JP3010102B2 - Steam drying equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steam dryer.

[0002]

BACKGROUND OF THE INVENTION Conventional此種device as shown in FIG. 2, to store the highly volatile medium B at the bottom of the vapor drying tank A, to generate vapor medium is heated by the heater C, the drain pan D the moisture adhering to the article to be dried F held by the hook E located upward, and replaced with medium vapor by contacting the vapor medium was and what is dried by pressurized heat. What
In FIG. 2 , G is a cooling coil, and H is a saucer.

[0003]

In the above-mentioned conventional apparatus, not only the water content of the material F to be dried in the steam drying tank A is not limited to the water content.
In addition , the moisture adhering to the hook, which is the carrying in / out mechanism, is also replaced by the medium vapor in the vapor atmosphere. Comparing the surface area of the hook and the object to be dried , it may be larger depending on the shape of the hook than the object to be dried.
There are cases, in which case the amount of water bringing the vapor drying tank becomes larger than the material to be dried itself.

[0004] <br/> and you water displacement in vapor medium in this state, the handle excess water, cause deterioration of the liquid medium, deteriorates each time the processing quality of the media steam, fine dried <br/> variation is that occurring. Therefore, in the present invention, only the material to be dried is placed in a steam drying tank and steam dried , and the steam drying tank is heated or cooled in accordance with a processing step.
And, and in which to reduce the consumption of vapor medium by adjusting the discharge amount of vapor medium, and it seeks to provide an apparatus which can prevent deterioration of the liquid medium.

[0005]

In order to solve the problem in the present invention SUMMARY OF THE INVENTION, by heating the vapor drying tank having a lid for placing only the material to be dried on the pedestal, a highly volatile vapor medium In a steam drying apparatus comprising a steam generating tank for generating a medium, and a steam pipe having a variable valve for a medium connecting the steam generating tank and the steam drying tank, a jacket is provided on an outer periphery of the steam drying tank , and drying by a steam medium is performed. with connecting hot water tank to flow hot water in the jacket during the process, the cooling water supply pipe supplying a cooling water to the jacket during the drying process is completed and
And a cooling water discharge pipe for discharging the cooling water.
The steam drying device was constructed by connecting to a racket .

In the above-mentioned steam drying apparatus, a gas supply pipe for supplying a cooling refrigerant gas after the drying step with a steam medium is completed is connected to the steam drying tank .

[0007] Further, in the steam drying apparatus,
A condensed liquid tank for storing the liquefied medium was connected to the steam drying tank, and the condensed liquid tank was connected to a steam generating tank provided with a heater .

[0008]

The present invention is constructed as described above,
Warm water from a warm water tank is placed in a jacket provided on the outer periphery of the drying tank.
After heating and placing only the material to be dried on the receiving stand
A variable valve for the medium
Adjust the supply amount with and spray on the material to be dried.
Dry the object to be dried by displacing moisture adhering toLet
You.

Next, the supply of the vapor medium is stopped, and a cooling refrigerant gas is introduced from the gas supply pipe into the vapor drying tank to cool the vapor medium to a liquid and flow down to the condensate tank. At this time, the inside of the steam drying tank is returned to the atmospheric pressure. Then, when the replacement of the water content of the object to be dried is completed and the dried state is obtained, the warm water in the jacket is returned to the warm water tank, and the cooling water is sent from the cooling water supply pipe to the jacket to cool the jacket and the steam drying tank.

[0010] Next, the lid is opened, and the object to be dried is carried out by a transport mechanism to which moisture does not adhere. At this time, the highly volatile medium is sent from the condensate tank to the steam generation tank.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to FIG. The steam drying tank 1 can be hermetically closed by a lid 2, the bottom wall 3 is formed with an inclined surface, and is connected to a condensate tank 6 by a condensate discharge pipe 5 having a condensate valve 4.
In the steam drying tank 1, a receiving stand 8 for receiving the object 7 to be dried is placed in a receiving tray 9.
, The receiving tray 9 is connected to a drain tank 12 via an intermediate tank 10 and a drain valve 11. On the other hand ,
The steam generating tank 13 is provided with a heater 14 outside the bottom wall .
Ri, generates a vapor medium 16 by evaporation of the highly volatile media 15
It is made to be made. In addition, the medium variable valve 17
Steam steam pipe 18 having a drying tank 1 and the steam generator tank 1
3 are connected to the, so that the blowing medium vapor 16 in the material to be dried 7.

The steam generating tank 13 is provided with the condensed liquid tank 6.
Connection of at conduit 21 via a valve 19 and a pump 20 and
It is further new highly volatile in the steam generating vessel 13
Supply pipe 2 having valve 22 for supplying conductive medium 15
3 and the safety valve 24, the discharge pipe 26 are respectively provided with an automatic pressure control valve 25. Further, the vapor drying tank on the outer circumference of the 1 and the jacket 27 is provided, hot water valve 28 and hot water pump 29 to the bottom of this di catcher Kek <br/> DOO 27
The reflux connection tube 30 having attached, the hot water tank 3
It is connected 1. The hot water tank 31 has a heater 3 inside.
2 is provided to heat the hot water 33 in the hot water tank 31. The hot water tank 31 is connected to the hot water supply connection pipe 3.
It is connected to the upper portion of the jacket 27 by four. In the middle of the <br/> hot water supply connection pipe 34 is heated pump 35 and hot water valve 36 is kicked set. In addition to hot water tank 31
Air supply valve 37 communicating with the atmosphere is provided.

A cooling water 38 is provided above the jacket 27.
Water supply pipe 40 having a cooling valve 39 for supplying water
Are connected. Moreover, the the reflux connection pipe 30 Ja
From part of socket 27 toward the cooling water discharge pipe 41 is branched, the cooling water discharge valve 4 in the cooling water discharge pipe min 41
2 and a cooling water discharge pump 43 is not provided.

A gas supply pipe 4 is provided above the steam drying tank 1.
4 is connected, supplies a cooling refrigerant gas 46 provided with a gas valve 45, vapor drying the clean air 49 and connect the air supply pipe 48 having an air valve 47 to the gas supply pipe 44 It can be supplied into the tank 1 . An exhaust pipe 5 is provided above the steam drying tank 1.
0 is connected , and an automatic pressure regulating valve 51 and a safety valve 52 are provided in the exhaust pipe 50 .

This embodiment is constructed as described above.
A clean air 49 is introduced into the steam drying tank 1 by opening an air valve 47. Also, the hot water valve 28
And open the warm water 3 from the warm water tank 31 to the jacket 27.
3, and the steam drying tank 1 is heated. The article to be dried 7 is sent by a transport mechanism (not shown). After the lid 2 is opened by a moving mechanism (not shown), the dried article 7 is placed on the receiving table 8 and the transport mechanism is quickly moved to the outside. Then, the steam drying tank 1 is sealed with the lid 2 by operating the moving mechanism.

[0016] On the other hand, highly volatile medium 1 in the vapor generating bath 13
5 becomes a vapor medium 16 by heating of the heater 14. Then, open the medium for the variable valve 17, blowing the steam medium 16 by adjusting the supply amount of the steam medium 16 from the steam pipe 18 to the material to be dried 7 of vapor drying tank 1.

The vapor medium 16 is condensed on the surface of the object 7 to be dried, and the water 53 adhering to the object 7 is replaced.
The displaced condensate and water 53 flow down to the tray 9 and accumulate in the intermediate tank 10. When the replacement of the moisture 53 in the dried object 7 is completed, the pressure in the steam drying tank 1 increases, the automatic pressure regulating valve 51 opens, and the medium vapor 16 is released, but immediately before the automatic pressure regulating valve 51 operates. The medium variable valve 17 is closed, and the flow of the medium vapor 16 is shut off. At this time, the heater 14 of the steam generator vessel 13 stops its operation when the internal pressure of the steam generator vessel 13 becomes equal to or higher than prescribed.

Next, when the gas valve 45 is opened and the cooling refrigerant gas 46 is supplied into the steam drying tank 1 for a certain period of time, the medium vapor 16 in the steam drying tank 1 is cooled and turned into a liquid state, and the condensed liquid valve 4 is opened. When opened, it is sent to the condensate tank 6. or,
When the vapor medium 16 in the steam drying tank 1 is condensed, the air valve 47 opens, and the inside of the steam drying tank 1 returns to the atmospheric pressure. In this step , when the replacement of the water 53 of the material to be dried 7 is completed and the drying state is reached, the hot water valve 36 is closed, the hot water pump 35 is stopped, and the hot water 33
Supply of Ru is stopped. On the other hand, it opens the air supply valve 37 is opened hot water valve 28, since the hot water pump 29 is driven, the hot water 33 in the di jacket 27 is returned to the hot water tank 31.

Next, after closing the hot water valve 28 and stopping the hot water pump 29, the cooling valve 39 and the cooling water
The outlet valve 42 is opened together with the cooling water discharge pump 43.
Is driven to send cooling water from the cooling water supply pipe 40 into the jacket 27 to cool the steam drying tank 1. Then, to return to atmospheric pressure the vapor drying tank 1 by opening the air valve 47 as described above in this state. Next, the lid 2 in the steam drying tank 1 is opened, and the drying target 7 dried by the transport mechanism without moisture is carried out to the outside of the steam drying tank 1 to perform a drying operation.
It comes to an end. At this time, the valve 19 is opened and the pump 20 is opened.
Supplying high volatile media 15 to the steam generator vessel 13 from the condensate tank 6 by driving a pump 20 stops the supply operation is terminated, closing the valve 19.

[0020] Also, the material to be dried 7 is unloaded from the vapor drying tank 1, the jacket 27 to flow hot water 33, Ru cooling valve 39 is closed. After that , the jacket 27
When the cooling water 38 in the inside runs out, the cooling water discharge valve 42 closes, and the cooling water discharge pump 43 stops. Further, the air supply valve 37 is closed. Next, the hot water valves 28, 3
6 is opened, and the hot water pumps 29 and 35 are driven to flow the hot water 33 in the hot water tank 31 through the jacket 27. In this state, the dried object 7 with the moisture 53 is placed on the receiving table 8 in the steam drying tank 1 by the transport mechanism, and the steam drying is repeated.

[0021]

The present invention has the above-described configuration and operation.
And, since adjusting the supply amount of the steam medium to the steam drying tank by the medium for a variable valve, wasting is reduced highly volatile medium, also drying of the dispersion is eliminated because degradation of highly volatile medium is reduced, Furthermore , since warm water is flowed into the jacket of the steam drying tank to heat it, and cooling water is flown to cool it , the drying step and the liquefaction of the steam medium can be performed efficiently and reliably.
It is extremely practical, having such effects as

[Brief description of the drawings]

FIG. 1 is a layout diagram showing the layout of an embodiment of a steam drying apparatus according to the present invention.

FIG. 2 is a sectional view of a conventional device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Steam drying tank 2 Lid 3 Bottom wall 4 Condensate valve 5 Condensate discharge pipe 6 Condensate tank 7 Dried material 8 Receiving stand 9 Receiving tray 10 Intermediate tank 11 Drain valve 12 Drain tank 13 Steam generation tank 14 Heater 15 High volatile raw medium 16 vapor medium 17 medium variable valve 18 steam pipe 19 valve 20 pump 21 conduit 22 valve 23 medium supply pipe 24 safety valve 25 automatic pressure regulating valve 26 discharge pipe 27 a jacket 28 for the hot water valve 29 hot water pump 30 the reflux Connection pipe 31 Hot water tank 32 Heater 33 Hot water 34 Hot water supply connection pipe 35 Hot water pump 36 Hot water valve 37 Air supply valve 38 Cooling water 39 Cooling valve 40 Cooling water supply pipe 41 Cooling water discharge pipe 42 Cooling water discharge valve 43 cooling water discharge pump 44 the gas supply tube 45 gas valve 46 cooled Medium gas 47 Air valve 48 air supply pipe 49 clean air 50 exhaust pipe 51 automatic pressure regulating valve 52 safety valve 53 water

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-138582 (JP, A) JP-A-3-2389 (JP, A) JP-A-3-258380 (JP, A) JP-A-4- 251929 (JP, A) JP-A-3-89984 (JP, A) JP-A-2-253893 (JP, A) JP-A-3-98683 (JP, A) JP-A-5-48334 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) B08B 3/04-3/12 C23G 5/04 H01L 21/304

Claims (3)

(57) [Claims] 1. A steam drying tank having a lid for placing only the material to be dried on the pedestal, and the steam generator tank to generate steam medium by heating the highly volatile media, vapor generating bath and vapor drying tank in the steam drying apparatus comprising a steam pipe with a variable valve medium connecting the door, the jacket provided on the outer periphery of the vapor drying tank, the connecting hot water tank to flow hot water in the jacket during the drying process by steam medium, cooling water supply pipe and the cold flowing cooling water to the jacket during the drying process is completed
Connect the cooling water discharge pipe for discharging
Vapor drying apparatus, characterized in that connected to and. 2. The steam drying apparatus according to claim 1, wherein a gas supply pipe for supplying a cooling refrigerant gas after a drying step using a steam medium is completed is connected to the steam drying tank. 3. A condensate tank for storing a liquefied medium in a steam drying tank, wherein the condensate tank is provided with a heater.
Steam drying apparatus according to claim 1, characterized in that connected to the steam generator tank being.