JP4323916B2 - Vertical stirring and heating reactor - Google Patents

Description

  The present invention relates to a vertical stirring and heating reactor used for thermal decomposition of waste such as plastic and rubber, decomposition of dioxins such as dust containing dioxins and soil, and the like.

In recent years, a large amount of plastic mixtures containing chlorine-containing plastics such as polyvinyl chloride and polyvinylidene chloride and wastes containing inorganic components have been discharged, and the amount of waste is increasing. In addition, there is a demand for treatment of contaminants such as dust and soil containing dioxins which are chlorine compounds.
And most of such waste is currently incinerated or landfilled.

When incinerated, harmful substances such as hydrogen chloride and dioxins generated during incineration may be released directly into the atmosphere.
In addition, when landfilled, the active ingredient in the waste is not used, resulting in a loss of resources.
Thus, it has been proposed to recover the active ingredients in the waste by thermally decomposing such waste. In addition, there is a demand for treatment of contaminants such as dust and soil containing dioxins which are chlorine compounds.

2. Description of the Related Art Conventionally, as an apparatus for recovering active components therein by thermally decomposing waste, for example, a carbonization apparatus disclosed in JP-A-1-92291 is known.
In this dry distillation apparatus, an inclined plate is arranged in a spiral shape on the outer periphery of a heating cylinder arranged in the vertical direction in the center of the casing, and a workpiece is supplied to the upper part of the inclined plate.
And by vibrating the inclined plate, the object to be processed on the inclined plate is moved downward while being heated.
JP-A-1-92291

However, in the dry distillation apparatus disclosed in the above-mentioned JP-A-1-92291, the workpiece on the inclined plate is moved downward by vibrating the inclined plate. The moving speed differs depending on the temperature, and there is a problem that it is difficult to uniformly heat the workpiece.
The present invention has been made to solve such a conventional problem, and an object thereof is to provide a vertical stirring and heating reactor capable of uniformly heating an object to be processed.

The vertical stirring and heating reactor according to claim 1 includes a casing in which a supply port and a gas discharge port of an object to be processed are formed in an upper portion and a discharge port of an object to be processed is formed in a lower portion; a rotary shaft disposed vertically so as to be rotatable, and a drive means for rotating the rotary shaft, a plurality of members that will be arranged so as to protrude in the horizontal direction in the vertical direction at an interval of the rotary shaft, arrangement wherein the stirring member for stirring the object to be processed, a heating means disposed on an outer surface of the casing, and protrudes in a horizontal direction between each of the stirring member from the inner surface of the casing toward the vicinity of the rotary shaft a plurality of members that will be, the the heat transfer member to heat from the heating means is transmitted to the processing object, the upper end position limit is placed on the top of the casing the processing object that will be fed into the casing A first level sensor for outputting a a detection signal reaches the location, to the upper end position is the lower limit position of the first level sensor downward is disposed at a predetermined distance the processing object that will be fed into the casing A third level sensor that outputs a detection signal when it reaches, and when the detection signal from the first level sensor is received , the supply of the object to be processed from the supply port of the object to be processed of the casing is stopped, When the detection signal from the third level sensor is received, the workpiece is supplied from the supply port of the workpiece, and the upper end position of the workpiece in the casing is always set to the first position . upper limit position and the third level sensor of the level sensor detects that have a control means for maintaining between the lower limit position detecting, the object to be treated from the discharge port of the processing object of said casing The material to be processed supplied from the supply port of the material to be processed of the casing is pushed downward by the weight of the material to be processed to be filled in the casing by discharging the material. It is configured to heat the object by the heat transfer member while stirring the object by the stirring member .

The vertical stirring and heating reaction apparatus according to claim 2 is the vertical stirring and heating reaction apparatus according to claim 1 , wherein cooling means for cooling an object to be processed heated in the casing is disposed below the casing. It is characterized by.

The vertical stirring and heating reactor according to claim 3 is the vertical stirring and heating reactor according to claim 2 , wherein an inert gas supply unit is disposed below the cooling means of the casing.
Vertical stirred heated reactor according to claim 4, in vertical stirred heated reactor according to any one of claims 1 to claim 3, between said cooling means and said heating means of said casing, a low pressure steam It is characterized by disposing a supply unit .

The vertical stirring and heating reaction apparatus according to claim 5 is the vertical stirring and heating reaction apparatus according to any one of claims 1 to 4, wherein the supply conveyor for supplying the workpiece and the supply conveyor A receiving hopper for receiving the object to be processed, a fixed amount feeder for supplying the object to be processed in the receiving hopper to a supply port for the object to be processed in the casing, and the receiving hopper disposed above the receiving hopper the upper end position of the processing object that will be supplied is stopped and the second level sensor for outputting a a detection signal reaches a predetermined position, said supply conveyor during accepts the detection signal from the second level sensor within And a control means.
The vertical stirring and heating reaction apparatus according to claim 6 is the vertical stirring and heating reaction apparatus according to any one of claims 1 to 5, wherein the processing target discharged from a discharge port of a processing object at a lower portion of the casing. It is characterized by having a quantitative discharger for quantitatively discharging an object.

(Function)
In the vertical stirring and heating reactor according to claim 1, the object to be processed supplied into the casing from the supply port of the object to be processed at the upper part of the casing is continuously discharged from the discharge port of the object to be processed at the lower part of the casing. By this, it pushes down sequentially by the weight of the workpiece supplied continuously.

And while being processed by the stirring member rotated by the rotation of the rotating shaft, the object to be processed is placed on the inner surface of the casing and is heated uniformly through the heat transfer member to which the heat from the heating means is transmitted. Fall.
On the other hand, when the detection signal from the first level sensor is input, the control device stops the supply from the supply port of the object to be processed of the casing, and when the detection signal from the third level sensor is input, Supply the processed material from the supply port, and always maintain the upper end position of the processed material in the casing at a predetermined position and a position in the vicinity thereof. Fill the casing.

In the vertical stirring and heating reactor according to the second aspect , the workpiece heated in the casing is cooled by the cooling means disposed in the lower part of the casing.
In the vertical stirring and heating reactor of claim 3 , an inert gas supply unit is disposed below the cooling means of the casing.

And in order to implement | achieve the heat processing which requires a reduction | restoration state, the penetration | invasion of external air into a casing is blocked | prevented by the inert gas supplied from the supply part so that oxygen may not enter atmosphere.
In the vertical stirring and heating reactor of claim 4 , a low-pressure steam supply unit is disposed between the heating means and the cooling means of the casing.
And since there exists a heating means in the gas flow direction to the vertical direction, the low pressure steam supplied from the supply part is heated by a heating means, and the inside of a casing is made into a high temperature steam atmosphere.

In the vertical stirring and heating reaction apparatus according to the fifth aspect, the object to be processed from the supply conveyor is supplied into the casing via the receiving hopper and the quantitative feeder.
When the upper end position of the workpiece supplied into the receiving hopper reaches a predetermined position, a detection signal from the second level sensor is output to the control means, and the supply conveyor is stopped by the control means.

In the vertical stirring and heating reactor according to the sixth aspect, the object to be processed discharged from the discharge port of the object to be processed at the lower part of the casing is quantitatively discharged by the quantitative discharger.

In the vertical stirring and heating reactor according to claim 1, the heat transfer member disposed on the inner surface of the casing and transmitting heat from the heating means is stirred while the workpiece is stirred by the stirring member rotated by the rotation of the rotating shaft. Therefore, the object to be processed can be heated uniformly since it falls downward while heating.
Further , when the upper end position of the object to be processed supplied into the casing reaches a predetermined position, the supply of the object to be processed from the supply port of the object to be processed in the casing is stopped. The amount can be kept constant, and the object to be processed can be prevented from scattering from the gas discharge port.

In the vertical stirring and heating reactor according to the second aspect , since the cooling means for cooling the object to be processed heated in the casing is arranged at the lower part of the casing, the apparatus can be made compact.
Moreover, a rotating shaft can be shared easily.
In the vertical stirring and heating reactor according to the third aspect , since the inert gas supply unit is disposed below the cooling means of the casing, it is possible to effectively prevent the intrusion of external air into the casing.

In the vertical stirring and heating reactor according to claim 4 , since the low-pressure steam supply unit is arranged between the heating means and the cooling means of the casing, and the heating means in the gas flow direction is set to a high-temperature steam atmosphere, The pressure of the supplied steam can be made relatively low.
In the vertical stirring and heating reactor according to claim 5 , the supply conveyor is stopped when the upper end position of the workpiece supplied from the supply conveyor into the receiving hopper reaches a predetermined position. It can be managed reliably.

In the vertical stirring and heating reactor according to claim 6, the processing object discharged from the processing object outlet at the lower part of the casing is quantitatively discharged by the quantitative discharger. Can be processed continuously.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First embodiment)
FIG. 1 shows the details of the main part of FIG. 2, and FIG. 2 shows a first embodiment of the vertical stirring and heating reactor of the present invention.
The vertical stirring and heating reactor according to this embodiment is used, for example, for carbonizing waste into carbide.

In FIG. 1, the code | symbol 11 has shown the cylindrical casing long in an up-down direction.
The casing 11 is erected on the base 13.
The upper end and the lower end of the casing 11 are sealed with lid members 15 and 17.
A supply port 19 and a gas discharge port 21 for an object to be processed are formed in the upper portion of the casing 11.

In this embodiment, a discharge pipe 23 is opened in the lid member 15 at the upper end of the casing 11, and the upper end of the discharge pipe 23 extending in the vertical direction is a gas discharge port 21.
Further, the supply port 19 for the object to be processed is formed on the side surface of the casing 11 that is a predetermined distance below the lid member 15 at the upper end of the casing 11.
A supply pipe 25 for supplying an object to be processed is connected to the supply port 19.

A discharge port 27 for discharging the heat-treated object is formed in the lower part of the casing 11.
A discharge pipe 29 is connected to the discharge port 27.
A tapered portion 31 is formed below the middle portion of the casing 11, and the inner diameter of the lower portion of the casing 11 is made smaller than the inner diameter of the upper portion of the casing 11.

Above the taper portion 31 of the casing 11, a heating means 33 made of an electric heater is disposed.
The heating means 33 is divided into two upper and lower stages along the outer periphery of the casing 11.
A heat retaining member 35 is disposed on the outer periphery of the heating unit 33.

Below the taper portion 31 of the casing 11, a cooling means 37 for cooling the object to be processed heated in the casing 11 is arranged.
The cooling means 37 has a cylindrical tubular member 39 disposed outside the casing 11.
The cylindrical member 39 is disposed through the upper portion of the base 13 and is supported by a bracket 41.

A cooling water inlet pipe 43 is opened at the lower part of the cylindrical member 39, and a cooling water outlet pipe 45 is opened at the upper part.
Then, the cooling water flowing in from the cooling water inlet pipe 43 passes through the space between the cylindrical member 39 and the casing 11 and flows out from the cooling water outlet pipe 45.
In this embodiment, an inert gas supply pipe 47, which is a supply part of an inert gas such as nitrogen, is opened below the cooling means 37 of the casing 11.

And in the center of the casing 11, the rotating shaft 49 is arrange | positioned up and down so that it can rotate in a horizontal direction.
The upper end of the rotation shaft 49 is connected to a drive shaft 51 that is disposed through the lid member 15 at the upper end of the casing 11.
On the upper surface of the lid member 15, a support member 55 that supports a motor 53, which is a driving unit, is disposed, and the motor 53 is coupled to the drive shaft 51.

The lower end of the rotating shaft 49 is disposed through the lid member 17 at the lower end of the casing 11 and is rotatably supported by the lid member 17.
As shown in FIGS. 3 and 4, the rotating shaft 49 is provided with a stirring member 57 that stirs the object to be processed with an interval in the vertical direction.
The stirring member 57 is made of a metal such as iron, and protrudes from the rotating shaft 49 in the horizontal direction and is arranged in a cross shape.

On the other hand, a heat transfer member 59 that transmits heat from the heating means 33 to the object to be processed is disposed on the inner surface of the casing 11 above the tapered portion 31.
The heat transfer member 59 is made of a metal such as iron or copper, and is disposed in a cross shape so as to protrude horizontally between the stirring members 57.
The heat transfer member 59 is disposed through the casing 11.

In this embodiment, as shown in FIG. 4, when the outer diameter of the casing 11 is a, the total length of the stirring member 57 is 0.75a, and the length of the heat transfer member 59 is 0.4a. Yes.
A first level sensor 61 that outputs a detection signal when the upper end position of the object to be processed supplied into the casing 11 reaches the upper limit position is disposed on the casing 11.
In this embodiment, a third level sensor 63 that outputs a detection signal when the upper end position of the workpiece supplied into the casing 11 reaches the lower limit position is disposed.

The third level sensor 63 is arranged below the first level sensor 61 with a predetermined interval H.
Detection signals from the first level sensor 61 and the third level sensor 63 are output to the control means 65.
Then, when the detection signal from the first level sensor 61 is input, the control means 65 controls the driving in order to adjust the supply amount of the quantitative supply device 67 described later.

When a detection signal from the third level sensor 63 is input, a quantitative supply machine 67 described later is driven, and the upper end position of the object to be processed in the casing 11 is always maintained at a predetermined position and a position in the vicinity thereof. .
FIG. 2 shows the entire vertical stirring and heating reactor of the present invention.
Under the base 13 that supports the casing 11, a quantitative discharger 69 that discharges an object to be processed discharged from the discharge pipe 29 is disposed.

On the downstream side of the fixed amount discharger 69, a transfer conveyor 71 for transferring the object to be processed discharged from the fixed amount discharger 69 is disposed.
On the other hand, a support member 73 is erected on the side of the casing 11 on the base 13.
A receiving hopper 75 is disposed at the upper end of the support member 73.
The receiving hopper 75 is supplied with an object to be processed from the supply conveyor 77.

At the lower end of the receiving hopper 75, a fixed quantity supply unit 67 is provided for supplying a fixed amount of the object to be processed in the receiving hopper 75 to the object to be processed supply port 19 of the casing 11 via the supply pipe 25.
The fixed quantity supply device 67 is driven by a motor 81.
A second level sensor 83 that outputs a detection signal when the upper end position of the workpiece supplied into the receiving hopper 75 reaches a predetermined position is disposed above the receiving hopper 75.

The detection signal from the second level sensor 83 is input to the control means 85.
And the control means 85 stops the supply conveyor 77, when a detection signal is input.
In the above-described vertical stirring and heating reaction apparatus, for example, an object to be treated which is a waste containing chlorine, for example, a waste hopper remaining after being molded from a chloroprene plate, is finely crushed from a supply conveyor 77. 75.

When the upper end position of the workpiece supplied into the receiving hopper 75 reaches a predetermined position, the supply conveyor 77 is stopped by the control means 85 that inputs a detection signal from the second level sensor 83.
The object to be processed from the receiving hopper 75 is continuously supplied into the casing 11 from the supply port 19 of the object to be processed in the casing 11 via the quantitative feeder 67 and the supply pipe 25.

Note that the upper end position of the workpiece to be filled in the casing 11 is set at a predetermined level by the control means 65 that inputs detection signals from the first level sensor 61 and the third level sensor 63 as described above. Always controlled.
And the to-be-processed object supplied in the casing 11 is with the weight of the to-be-processed object supplied continuously with discharge | emission of the to-be-processed object discharged | emitted continuously from the discharge pipe 29 of the lower part of the casing 11. It is pushed down sequentially and discharged continuously from the discharge port 27 of the object to be processed at the bottom of the casing 11.

Then, the object to be treated is stirred by the stirring member 57 rotated by the rotation of the rotating shaft 49, and is disposed on the inner surface of the casing 11 through the heat transfer member 59 to which the heat from the heating means 33 is transmitted, for example. It is carbonized while being heated uniformly at a temperature of 450 ° C. and falls downward.
At this time, the object to be treated is a carbide with less chloride, and the combustible gas and chloride generated by the carbonization rise in the casing 11 and are sent from the exhaust pipe 23 at the upper part of the casing 11 to the combustion facility for combustible gas. It is done.

The object to be processed which has been heated downward in the casing 11 while being uniformly heated over, for example, about 30 minutes, is cooled down to, for example, a temperature of 70 ° C. by the cooling means 37 disposed at the bottom of the casing 11. Is done.
The casing 11 is filled with an inert gas supplied from a supply unit so that oxygen does not enter the atmosphere in order to realize a heat treatment that requires a reduced state, and external air always enters the casing 11. It is blocked.

The object to be processed cooled by the cooling means 37 is continuously discharged from the discharge pipe 29 by the quantitative discharger 69 and transferred to the next process or storage place by the transfer conveyor 71.
In the above-described vertical stirring and heating reactor, the processing after the casing 11 is emptied is started, for example, by placing the processed object at a position slightly above the heating means 33 of the casing 11 at the previous stop. In this state, a new object to be processed is filled up to an intermediate position between the first level sensor 61 and the third level sensor 63. Thereafter, the heating means 33 and the cooling means 37 are filled. Is operated by stirring the processing object for a predetermined time by the stirring member 57 and then continuously discharging the processing object from the discharge pipe 29.

Further, the process is stopped by cutting the heating means 33 while stirring the object to be processed by the stirring member 57 and cooling the object to be processed with an inert gas.
In the above-described vertical stirring and heating reaction apparatus, heat transfer is performed so that heat is transmitted from the heating means 33 disposed on the inner surface of the casing 11 while stirring the workpiece by the stirring member 57 rotated by the rotation of the rotating shaft 49. Since it falls downward while heating through the member 59, the object to be processed can be heated uniformly.

And it becomes possible to heat-process a to-be-processed object continuously and reliably by this, and the quality carbide | carbonized_material etc. can be obtained.
Moreover, in the vertical stirring and heating reactor described above, when the upper end position of the object to be processed supplied into the casing 11 reaches a predetermined position, the object to be processed is supplied from the object supply port 19 of the object to be processed in the casing 11. Since the operation is stopped, the amount of the object to be processed in the casing 11 can be kept constant, and the object to be processed can be prevented from being scattered from the gas discharge port 21.

And since the cooling means 37 which cools the to-be-processed object heated in the casing 11 is arrange | positioned in the lower part of the casing 11, an apparatus can be made compact.
In addition, since the rotating shaft 49 can be shared, the number of drive parts and seal parts is reduced, which is advantageous for downsizing and cost reduction.
Furthermore, in the above-described vertical stirring and heating reactor, the inert gas supply pipe 47 is disposed below the cooling means 37 of the casing 11, so that it is possible to effectively prevent external air from entering the casing 11. it can.

Further, in the above-described vertical stirring and heating reactor, the supply conveyor 77 is stopped when the upper end position of the workpiece supplied from the supply conveyor 77 into the receiving hopper 75 reaches a predetermined position. 77 can be managed easily and reliably.
Furthermore, in the above-described vertical stirring and heating reactor, the processing object discharged from the processing object discharge port 27 at the bottom of the casing 11 is quantitatively discharged by the quantitative discharger 69, so that the processing object can be easily obtained. , Can ensure continuous processing.
(Second Embodiment)
FIG. 5 shows a second embodiment of the vertical stirring and heating reactor according to the present invention.

In this embodiment, the same members as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
In this embodiment, the cooling means 37A is arranged separately from the casing 11A.
That is, the casing 11 </ b> A is supported above the base 13 via the bracket 41.

A discharge pipe 29 that discharges an object to be processed in the casing 11A is disposed at the lower part of the casing 11A.
The discharge pipe 29 is opened above the fixed amount discharger 69 disposed inside the base 13.
The fixed amount discharger 69 includes a transfer screw 89 disposed in a cylindrical transfer container 87, and the transfer screw 89 is rotationally driven by a motor 91.

A cooling means 37 </ b> A that surrounds the transport container 87 and cools the workpiece heated in the casing 11 </ b> A is disposed.
The cooling means 37 </ b> A has a cylindrical tubular member 93 disposed so as to surround the transport container 87.
A cooling water inlet pipe 95 is opened at the lower part of the cylindrical member 93, and a cooling water outlet pipe 97 is opened at the upper part.

Then, the cooling water flowing in from the cooling water inlet pipe 95 passes through the space between the cylindrical member 93 and the transfer container 87 and flows out from the cooling water outlet pipe 97.
In the vertical stirring and heating reactor of this embodiment, the processing object discharged from the discharge pipe 29 below the casing 11 </ b> A is supplied to the fixed amount discharger 69 and is transferred by the fixed amount discharger 69 while the transfer container 87. And cooled by cooling water flowing between the cylindrical member 93 and stored in a storage tank or the like from the discharge pipe 29 of the object to be processed.

In this embodiment, the same effect as the first embodiment can be obtained, but in this embodiment, the cooling means 37A is divided from the casing 11A, and the cooling means 37A is arranged inside the base 13, so that The overall height of the device can be reduced.
(Third embodiment)
FIG. 6 shows a third embodiment of the vertical stirring and heating reactor according to the present invention.

In this embodiment, the same members as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
In this embodiment, a high-temperature steam supply unit is disposed between the heating unit 33 and the cooling unit 37 of the casing 11.
That is, a supply pipe 99 for supplying low-pressure steam is opened in the tapered portion 31 formed between the heating means 33 and the cooling means 37 of the casing 11.

The vertical stirring and heating reactor of this embodiment supplies, for example, high temperature and low pressure steam to the vertical stirring and heating reactor shown in FIG. 2 and manages the inside of the casing 11 at a temperature of about 600 ° C. The amount of residual metal chloride can be reduced.
In this embodiment, the same effect as in the first embodiment can be obtained. However, in this embodiment, the high temperature steam supply unit is arranged between the heating unit 33 and the cooling unit 37 of the casing 11. The pressure of the high-temperature steam supplied can be made relatively low.

That is, when the high-temperature steam supplied into the casing 11 is supplied into the casing 11, the high-temperature steam is heated by the heating means 33, becomes higher-temperature steam, and is filled with high pressure in the casing 11. The pressure of the steam to be generated can be made relatively low.
(Fourth embodiment)
FIG. 7 shows a fourth embodiment of the vertical stirring and heating reactor according to the present invention.

In this embodiment, the same members as those in the third embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
In this embodiment, the cooling means 37A is arranged separately from the casing 11A.
That is, the casing 11 </ b> A is supported above the base 13 via the bracket 41.

A discharge pipe 29 that discharges an object to be processed in the casing 11A is disposed at the lower part of the casing 11A.
The discharge pipe 29 is opened above the fixed amount discharger 69 disposed inside the base 13.
The fixed amount discharger 69 includes a transfer screw 89 disposed in a cylindrical transfer container 87, and the transfer screw 89 is rotationally driven by a motor 91.

A cooling means 37 </ b> A that surrounds the transport container 87 and cools the workpiece heated in the casing 11 </ b> A is disposed.
The cooling means 37 </ b> A has a cylindrical tubular member 93 disposed so as to surround the transport container 87.
A cooling water inlet pipe 95 is opened at the lower part of the cylindrical member 93, and a cooling water outlet pipe 97 is opened at the upper part.

Then, the cooling water flowing in from the cooling water inlet pipe 95 passes through the space between the cylindrical member 93 and the transfer container 87 and flows out from the cooling water outlet pipe 97.
In the vertical stirring and heating reactor of this embodiment, the processing object discharged from the discharge pipe 29 below the casing 11 </ b> A is supplied to the fixed amount discharger 69 and is transferred by the fixed amount discharger 69 while the transfer container 87. And cooled by cooling water flowing between the cylindrical member 93 and stored in a storage tank or the like from the discharge pipe 29 of the object to be processed.

In this embodiment, the same effect as the third embodiment can be obtained, but in this embodiment, the cooling means 37A is divided from the casing 11A, and the cooling means 37A is arranged inside the base 13, so that The overall height of the device can be reduced.
In the above-described embodiment, the example in which the chloride is desalted from the waste containing the chlorine-containing material to form the carbide has been described. However, the present invention is not limited to such an embodiment, and various objects to be processed. It can be widely applied to the processing.

  Further, in the first and second embodiments described above, the example in which the waste is carbonized to carbonize has been described, but the present invention is not limited to such an embodiment, and dust and soil containing dioxins. It can be widely applied to the decomposition of dioxins.

It is sectional drawing which shows the detail of the principal part of FIG. It is explanatory drawing which shows 1st Embodiment of the vertical stirring heating reaction apparatus of this invention. It is a perspective view which shows the attachment structure of the stirring member and heat-transfer member of FIG. It is sectional drawing which shows the attachment structure of the stirring member and heat-transfer member of FIG. It is explanatory drawing which shows 2nd Embodiment of the vertical stirring heating reaction apparatus of this invention. It is explanatory drawing which shows 3rd Embodiment of the vertical stirring heating reaction apparatus of this invention. It is explanatory drawing which shows 4th Embodiment of the vertical stirring heating reaction apparatus of this invention.

Explanation of symbols

11, 11A Casing 19 Supply port 21 Gas discharge port 27 Discharge port 33 Heating unit 37, 37A Cooling unit 49 Rotating shaft 57 Stirring member 59 Heat transfer member 53 Motor 67 Fixed supply machine 69 Fixed discharge machine 75 Receiving hopper 77 Supply conveyor

Claims (6)

A casing in which a supply port and a gas discharge port for the object to be processed are formed in the upper part and a discharge port for the object to be processed is formed in the lower part,
In the center of the casing, a rotating shaft arranged in the vertical direction so as to be rotatable in the horizontal direction,
Driving means for rotating the rotating shaft;
A plurality of members that will be arranged so as to protrude in the horizontal direction in the vertical direction at an interval of the rotary shaft, a stirring member for stirring the object to be processed,
Heating means disposed on the outer surface of the casing;
A plurality of members that will be arranged so as to protrude in a horizontal direction between each of the stirring member towards the vicinity of the rotation axis from the inner surface of the casing, heat to transfer heat from the heating means to the object to be processed A thermal member;
A first level sensor for the upper end position of the object to be processed which is placed on top of the casing Ru is supplied into the casing and outputs a the detection signal reaches the upper limit position,
A third level sensor for outputting a a detection signal upper end position of the first level sensor downward is disposed at a predetermined distance the processing object that will be fed into the casing reaches the lower position,
Sometimes wherein the first at the casing accepts a detection signal from the level sensor and stopping the supply of the processing object from the supply port of the object, accepts the detection signal from the third level sensor An upper limit position where the first level sensor always detects the upper end position of the object to be processed in the casing by causing the object to be processed to be supplied from the supply port of the object to be processed and the third level sensor. There have a control means for maintaining between the lower limit position detecting,
The discharge of the object to be processed from the discharge port of the object to be processed of the casing causes the object to be processed to be supplied from the supply port of the object to be processed of the casing to the weight of the object to be processed to be supplied. The vertical stirring and heating reactor is configured to be pushed downward by the above, filled in the casing, and heated by the heat transfer member while stirring the object to be processed by the stirring member. . In the vertical stirring and heating reactor according to claim 1,
A vertical stirring and heating reaction apparatus, wherein cooling means for cooling an object to be processed heated in the casing is arranged at a lower part of the casing. The vertical stirring and heating reactor according to claim 2,
A vertical stirring and heating reaction apparatus, wherein an inert gas supply unit is disposed below the cooling means of the casing. The vertical stirring and heating reactor according to any one of claims 1 to 3,
A vertical stirring and heating reactor comprising a low-pressure steam supply section disposed between the heating means and the cooling means of the casing. In the vertical stirring and heating reactor according to any one of claims 1 to 4,
A supply conveyor for supplying the workpiece;
A receiving hopper for receiving the workpiece from the supply conveyor;
A quantitative feeder for quantitatively feeding the workpiece in the receiving hopper to a feed port of the workpiece in the casing;
A second level sensor for the upper end position of the receiving hopper is arranged above the object to be processed that will be supplied to the receiving hopper outputs a the detection signal reaches a predetermined position,
And a control means for stopping the supply conveyor when receiving a detection signal from the second level sensor. The vertical stirring and heating reactor according to any one of claims 1 to 5,
A vertical stirring and heating reactor characterized by having a quantitative discharger for quantitatively discharging the processing object discharged from the processing object discharge port under the casing.

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