JP3770869B2 - Grinding and grinding machine for grinding chips and briquette manufacturing apparatus using the same - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a grinding chip grinding and pulverizing machine and a briquette manufacturing apparatus using the grinding chip for manufacturing a briquette as a raw material for a blast furnace by reusing a grinding rod discharged by grinding.
[0002]
[Prior art]
Conventionally, grinding chips generated by grinding process become sponge-like sponge bodies containing grinding water, grinding oil, and other grinding fluid used during processing. After drying in a processing plant, are they incinerated in an incinerator? Disposal methods such as landfill disposal for a fee or use as a reducing agent for blast furnaces at steelworks are common.
[0003]
In the case of grinding chips with about 70% ferrous metal, they are reused as raw materials in a blast furnace at an ironworks. For example, a processing method for briquetting is known as described in JP-A-56-23237. It has been. In this method, grinding chips, turning chips, and metal powder for component adjustment are blended, heated in a primary heating furnace to remove moisture and oil, etc. to prepare a preliminary briquette, and then in a high temperature secondary heating furnace. Briquetting is performed by secondary heating.
[0004]
[Problems to be solved by the invention]
However, according to the method described in Japanese Patent Laid-Open No. 56-23237, equipment and equipment such as a large heating furnace become large, and since a large amount of energy is required for processing, the effect of resource recycling is halved. There's a problem.
[0005]
The present invention has been made in view of such problems of the prior art, and the object of the present invention is to reduce the energy spent for briquetting in order to effectively reuse the grinding chips. An object of the present invention is to provide a grinding chip pulverizer and a briquette manufacturing apparatus using the same.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 is a crushing and crushing machine for crushing dry and solidified ground chips into a desired size, and the crushing and crushing machine has a plurality of cylindrical bites. A plurality of partition plates disposed above the biting bar, an outer frame member that fixes the plurality of biting bars and the partition plate at predetermined intervals, and the biting that is fixed to the outer frame member A mesh-like metal member provided with a gap between the rod and a reciprocating drive means for reciprocating the outer-frame member on the mesh-like metal member, and solidified grinding supplied into the outer-frame member The chips are crushed into a desired size by reciprocating the outer frame member on the mesh-like metal member.
[0007]
The invention according to claim 2 is a crushing and crushing machine for crushing the grinding chips solidified in a water-containing state to a desired size, the crushing and crushing machine comprising a plurality of cylindrical biting rods and the biting crusher. Provided with a plurality of partition plates arranged on the upper part of the dowel bar, an outer frame member that fixes the plurality of bit bars and the partition plate at a predetermined interval, and a gap between the dowel bar fixed to the outer frame member And a reciprocating drive means for reciprocating the mesh-shaped metal member on the mesh-shaped metal member with the outer frame member, and solidifying the grinding chips supplied into the outer frame member. By reciprocating the frame member on the mesh-like metal member, the frame member is crushed to a desired size.
[0008]
The invention according to claim 3 is the grinding chip crushing and grinding machine according to claim 1 or 2, wherein a grinding chip supply screw conveyor having a key-like grinding arm at the tip and the vicinity of the grinding arm. The solidified grinding chips were crushed to an appropriate size by a screw conveyor pulverizer comprising a press plate provided on the outer plate, and then supplied into the outer frame member.
[0009]
The invention according to claim 4 includes the grinding chip grinding and pulverizing machine according to claim 1, 2, or 3, and a screw conveyor for supplying turning chips and / or gear cutting chips, and supplying the grinding chips. The screw conveyor for supplying the machine and the screw conveyor for supplying the turning chips and / or the gear cutting chips are operated synchronously, and the grinding chips and the turning chips and / or the tooth cutting chips are supplied to the compression press machine at a desired blending ratio. It is dropped on the conveyor.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a side view of a briquette manufacturing apparatus according to the present invention, FIG. 2 is a top view, FIG. 3 is a side view of a screw conveyor pulverizer, FIG. 4 is a front view of a presser plate, and FIG. FIG. 6 is a schematic side view, and FIG. 7 is an operation explanatory diagram of the briquette manufacturing apparatus according to the present invention.
[0011]
The briquette manufacturing apparatus according to the present invention includes a grinding chip hopper 1 and a screw conveyor for crushing the solidified grinding chips supplied from the grinding chip hopper 1 to a certain size as shown in FIGS. A grinding crusher 3, a grinding crusher 3 for further crushing the grinding chips carried by the screw conveyor crusher 2 to a desired size, a turning chip hopper 4, and a turning cut supplied from the turning chip hopper 4. It is conveyed by the conveyer 6 which conveys the screw conveyor 5 which conveys powder, the grinding chip crushed by the crushing crusher 3, and the turning chips conveyed by the screw conveyor 5 are mixed. A supply hopper 7 for storing a blended raw material of grinding chips and turning chips, and a compression press 8 for manufacturing briquette B by pressing the blended raw material supplied from the supply hopper 7 are provided. .
[0012]
In addition, 9 is a motor for driving the screw conveyor pulverizer 2, 10 is a motor for driving the screw conveyor 5, 11 is a control panel, and 12 is an infrared sensor for detecting the storage amount so that the supply hopper 7 does not overflow.
[0013]
As shown in FIG. 3, the screw conveyor pulverizer 2 is disposed in a guide member 21 communicating with the grinding chip hopper 1, and includes a screw having a key-shaped pulverization arm 22 at the tip and a conveyor fin 23 on the outer peripheral surface. It consists of a conveyor 24 and a pressing plate 25 fixed to the guide member 21 in the vicinity of the crushing arm 22.
[0014]
The guide member 21 is formed so as to cover the screw conveyor 24, forms an upper surface of an inlet 21a for receiving the solidified grinding chips supplied from the grinding chip hopper 1, and makes the solidified grinding chips to a certain size. An outlet 21 b is formed on the lower surface in the vicinity of the crushing arm 22 for crushing and carrying it out to the crushing and crushing machine 3.
[0015]
As shown in FIG. 4, the presser plate 25 is formed in an arc shape so that a predetermined gap is formed between the presser plate 25 and the conveyor fin 23 along the outer periphery of the screw conveyor 24 provided with the conveyor fin 23 on the outer peripheral surface. Has been. Reference numeral 26 denotes a guide plate that guides the grinding chips so as to enter between the screw conveyor 24 and the presser plate 25, and 27 denotes a bolt that fixes the presser plate 25 to the guide member 21.
[0016]
As shown in FIGS. 5 and 6, the crushing and crushing machine 3 includes an outer frame member 31 having an upper surface and a lower surface opened, and a plurality of columnar shapes fixed to the inner wall surfaces of the outer frame member 31 on the left and right sides at predetermined intervals. And a plurality of partition plates 33 disposed on the upper and lower inner wall surfaces of the outer frame member 31 and provided with a predetermined gap. A mesh-shaped metal member 34 is provided, and a reciprocating drive means 35 that reciprocates the mesh-shaped metal member 34 on the outer frame member 31 in the arrow A direction. The partition plate 33 is desirably arranged at the center of the pitch of the biting bar 32 as shown in FIG.
[0017]
The reciprocating drive means 35 includes four cam floors 36 provided on the front, rear, left and right outer wall surfaces of the outer frame member 31, and four guide rails 37 laid on a frame body (not shown) so as to sandwich the cam floors 36. The connecting rod 39 has one end connected to the outer wall surface of the outer frame member 31 and the other end connected to the edge of the crank portion 38, and a motor 40 that rotates the crank portion 38.
[0018]
The operation of the briquette manufacturing apparatus according to the present invention configured as described above will be described.
When the solidified grinding chips supplied from the grinding chip hopper 1 are carried into the screw conveyor pulverizer 2, the screw conveyor 24 is rotationally driven by the motor 9 to convey the grinding chips toward the outlet 21b. Then, the solidified grinding chips enter between the screw conveyor 24 and the presser plate 25 by the action of the guide plate 26 and the presser plate 25, and are further crushed to a certain size by the crushing arm 22 that rotates together with the screw conveyor 24.
[0019]
The grinding chips W1 crushed to a certain size are thrown into the outer frame member 31 of the grinding crusher 3 as shown in FIG. Then, the outer frame member 31 provided with the plurality of biting bars 32 and the partition plate 33 reciprocates on the net-like metal member 34, so that each biting bar 32 removes the grinding chips W1 into the net-like metal. Press against member 34. Then, the grinding swarf W1 passes through the mesh-shaped metal member 34, is pulverized to at least the size of the mesh, and falls onto the transport conveyor 6.
The size of the grinding chips W1 can be arbitrarily set by appropriately selecting the size of the mesh of the metal member 34.
[0020]
On the other hand, the turning chips W2 supplied from the turning chip hopper 4 are transported by the screw conveyor 5 and fall onto the transport conveyor 6.
Then, the grinding chips W1 and the turning chips W2 are blended on the conveyor 6 and are transported in the direction of the arrow C, and are fed into the supply hopper 7 that stores the blended raw materials of the grinding chips W1 and the turning chips W2. The
[0021]
Here, the mixing ratio of the grinding chips W1 and the turning chips W2 is controlled by controlling the number of rotations of the motor 9 that drives the screw conveyor 24 and the number of rotations of the motor 10 that drives the screw conveyor 5. It can be arbitrarily set by adjusting the carry-out amount to the grinding crusher 3 and the carry-out amount of the turning chips W2 to the conveyor 6.
In other words, the amount of grinding chips W1 carried out per rotation of the screw conveyor 24 and the amount of turning chips W2 carried out per rotation of the screw conveyor 5 are taken into consideration, so that the motor 9 and the motor 9 have a desired mixing ratio. 10 may be operated synchronously.
[0022]
Next, the blended raw material is supplied from the supply hopper 7 to the compression press 8 and pressed by the compression press 8 to produce the briquette B.
[0023]
Although the embodiment of the present invention has been described with respect to the briquette manufacturing apparatus in which the turning chips are dropped to the conveying conveyor 6 and supplied to the compression press 8 at a desired mixing ratio, the grinding chips are mixed with the grinding chips. As a material, tooth cutting chips may be used instead of the turning chips. In that case, the briquette manufacturing apparatus includes a cutting chip hopper instead of the turning chip hopper 4 and a screw conveyor that transfers the cutting chip instead of the screw conveyor 5 that conveys the turning chip. do it.
[0024]
Moreover, both the turning chips and the tooth cutting chips can be blended with the grinding chips in a desired blending ratio. In that case, the briquette manufacturing apparatus can be configured by newly providing a tooth chopping hopper and a screw conveyor for conveying the chopping chips. The chips can be mixed and charged, and the screw conveyor 5 can be configured to supply the mixed material of the turning chips and the tooth cutting chips to the transport conveyor 6.
[0025]
In general, the solidified grinding chips to be pulverized by the grinding and pulverizing machine according to the present invention are solidified in a state containing moisture even when the surface is dry.
[0026]
【The invention's effect】
As described above, according to the first aspect of the invention, the dried and solidified ground chips can be crushed to a desired size by a simple mechanism.
[0027]
According to the invention which concerns on Claim 2, the grinding chip solidified in the water-containing state can be crushed to a desired magnitude | size with a simple mechanism.
[0028]
According to the third aspect of the present invention, the solidified ground chips can be smoothly crushed to a desired size by passing the solidified ground chips through a screw conveyor pulverizer and a grinding crusher.
[0029]
According to the invention which concerns on Claim 4, in order to reuse a grinding chip effectively, the energy spent for briquetting can be reduced.
Further, the grinding chips, the turning chips and / or the tooth cutting chips can be briquetted at a desired mixing ratio.
[Brief description of the drawings]
1 is a schematic side view of a briquette manufacturing apparatus according to the present invention. FIG. 2 is a schematic top view of a briquette manufacturing apparatus according to the present invention. FIG. 3 is a side sectional view of a screw conveyor pulverizer. FIG. 5 is a schematic front view of a grinding crusher according to the present invention. FIG. 6 is a schematic side view of a grinding crusher according to the present invention. Figure [Explanation of symbols]
DESCRIPTION OF SYMBOLS 2 ... Screw conveyor grinder, 3 ... Grinding crusher, 5, 24 ... Screw conveyor, 6 ... Conveyor, 8 ... Compression press machine, 21 ... Guide member, 22 ... Grinding arm, 25 ... Press plate, 31 ... Outside Frame member, 32 ... bite bar, 33 ... partition plate, 34 ... mesh-like metal member, 35 ... reciprocating drive means.

Claims (4)

A grinding crusher for crushing dry and solidified grinding chips to a desired size, wherein the grinding crusher comprises a plurality of cylindrical biting bars and a plurality of biting bars arranged above the biting bars. Partition plate, the outer frame member in which the plurality of biting rods and the partition plate are fixed at a predetermined interval, and the mesh-like metal member provided with a gap from the biting bar fixed to the outer frame member And a reciprocating drive means for reciprocating the mesh-like metal member on the outer frame member, and solidifying grinding chips supplied into the outer frame member, the outer frame member being used as the mesh-like metal. A grinding and grinding machine for grinding chips, which is crushed to a desired size by reciprocating on a member. A grinding and pulverizing machine that crushes grinding chips solidified in a water-containing state into a desired size, and the grinding and pulverizing machine includes a plurality of cylindrical biting bars and a plurality of biting bars arranged above the biting bars. Partition plate, the outer frame member in which the plurality of biting rods and the partition plate are fixed at a predetermined interval, and the mesh-like metal member provided with a gap from the biting bar fixed to the outer frame member And a reciprocating drive means for reciprocating the mesh-like metal member on the outer frame member, and solidifying grinding chips supplied into the outer frame member, the outer frame member being used as the mesh-like metal. A grinding and grinding machine for grinding chips, which is crushed to a desired size by reciprocating on a member. The solidified grinding chips are moderately sized by a screw conveyor pulverizer comprising a screw conveyor for supplying grinding chips with a key-like grinding arm at the tip and a press plate provided in the vicinity of the grinding arm. The grinding chip grinding and crushing machine according to claim 1, wherein the grinding chip is fed into the outer frame member after being pulverized into a powder. A grinding crushing and grinding machine for grinding chips according to claim 1, 2 or 3, and a screw conveyor for supplying turning chips and / or gear cutting chips, the screw conveyor for supplying grinding chips and the turning cutting. The screw conveyor for supplying the powder and / or the gear cutting powder is operated in synchronism, and the grinding chip, the turning chip and / or the gear cutting powder are dropped to the conveying conveyor to the compression press machine at a desired mixing ratio A briquette manufacturing device.

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