CN218937039U

CN218937039U - Cooling device for packing of resistance furnace

Info

Publication number: CN218937039U
Application number: CN202222952455.6U
Authority: CN
Inventors: 马利军; 姜洪金; 姜腾; 马沐媛
Original assignee: Ningxia Qingbo Environmental Protection Technology Co ltd
Current assignee: Ningxia Qingbo Environmental Protection Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-28
Anticipated expiration: 2032-11-07

Abstract

A packing cooling device of a resistance furnace comprises a water supply pipe, a water return sleeve, a cooling sleeve and a positioning sleeve disk; the water supply pipe and the water return pipe are arranged in parallel, water supply ports are uniformly arranged on the water supply pipe, and water return ports are uniformly arranged on the water return pipe; the front end of the backwater sleeve is fixedly arranged on the water supply port of the water supply pipe, and the rear end of the backwater sleeve is fixedly arranged on the backwater port of the backwater pipe; the cooling sleeves are uniformly distributed and mounted on the backwater sleeve; the positioning sleeve plate is adjusted and fixedly installed on the backwater outer sleeve. The water supply pipeline formed by the water supply pipe, the water return sleeve and the cooling sleeve can effectively form the water circulation cooling function of the cooling sleeve, and the cooling speed of the filler in the resistance furnace is greatly improved; the depth of the cooling sleeve inserted into the resistance furnace filler can be controlled by utilizing the positioning sleeve disk, so that the cooling speed is controlled on one hand, and the stable operation of the cooling operation is ensured on the other hand.

Description

Cooling device for packing of resistance furnace

Technical Field

The utility model belongs to the technical field of solid waste treatment, and particularly relates to a cooling device used on a resistance furnace for graphitizing a negative electrode material.

Background

The negative electrode carbon block materials detached from equipment such as an industrial point decomposition tank belong to industrial waste materials, and belong to high-risk waste materials, and the problems of high treatment cost, high pollution and the like exist. In order to realize harmless and recycling treatment of the carbonaceous waste, the negative electrode material is graphitized by heating at a high temperature by adopting a resistance furnace in the prior art, so that the recyclable graphitized material is obtained, and meanwhile, the graphitized material is harmless by utilizing a high temperature in the calcination process.

The resistor furnace adopted in the prior art is used for calcining waste materials, wherein graphitizing materials are distributed in the furnace body along the whole length between two end electrodes, resistance materials are distributed along the whole length of one circle of graphitizing materials, heat insulation materials are filled between the furnace body and the resistance materials, the two end electrodes are controlled to be electrified in the calcining process, and high temperature of about 3000 ℃ is generated by utilizing the conductivity of the resistance materials and the waste materials, so that graphitizing and harmless treatment of the waste materials are completed. In the process, the graphite material and the resistor material in the resistor furnace after calcination have extremely high temperature, and the whole furnace body is filled with a little scale, so the cooling speed is very slow, the prior art usually adopts a natural cooling mode, the cooling time is about 20 days, and then the discharging can be performed. In order to improve the production efficiency, the production mode adopted in the prior art adopts a plurality of groups of furnace bodies to sequentially and circularly operate, so that the discharge and filling of one group of furnace bodies are ensured to be completed every day, the mode not only wastes the field, but also causes the problem of high construction cost due to the fact that the furnace bodies are more.

Disclosure of Invention

The utility model aims to solve the problem of long production period of a single resistance furnace caused by low cooling speed of graphitized resistance furnace filler, and provides a cooling device for actively cooling the resistance furnace filler.

In order to achieve the purpose, the technical scheme adopted by the packing cooling device of the resistance furnace comprises a water supply pipe, a water return sleeve, a cooling sleeve and a positioning sleeve disk; the water supply pipe and the water return pipe are arranged in parallel, water supply ports are uniformly arranged on the water supply pipe, water return ports are uniformly arranged on the water return pipe, and openings of the water supply ports and the water return ports are oppositely arranged; the front end of the water return sleeve is fixedly arranged on the water supply port of the water supply pipe, the rear end of the water return sleeve is fixedly arranged on the water return port of the water return pipe, the water return sleeve comprises a water inlet inner sleeve and a water return outer sleeve, the water inlet inner sleeve is sleeved in the water return outer sleeve, water inlets are uniformly distributed on the water inlet inner sleeve, water outlets are uniformly distributed on the water return outer sleeve, the water inlets and the water outlets are correspondingly arranged along the vertical direction, the front end of the water inlet inner sleeve is communicated with the water supply port of the water supply pipe, the rear end of the water inlet inner sleeve is closed, the front end of the water return outer sleeve is closed, and the rear end of the water return outer sleeve is communicated with the water return port of the water return pipe; the cooling sleeve is uniformly arranged and installed on the backwater sleeve, the cooling sleeve comprises a cooling inner pipe and a cooling outer pipe, the cooling inner pipe is sleeved in the cooling outer pipe, the cooling inner pipe is fixedly arranged on a water inlet of the water inlet inner pipe through the upper end and is communicated with the water inlet of the water inlet inner pipe, the lower end of the cooling inner pipe is communicated with the inner cavity of the cooling outer pipe, the cooling outer pipe is fixedly arranged on a water outlet of the backwater outer pipe through the upper end and is communicated with the water outlet of the backwater outer pipe, and the lower end of the cooling outer pipe is closed; the positioning sleeve plate is adjusted and fixedly installed on the backwater outer sleeve.

One end of the water supply pipe is closed, and the other end of the water supply pipe is installed and connected on a water supply main pipe of the cooling system.

One end of the water return pipe is closed, and the other end of the water return pipe is installed and connected on a water return main pipe of the cooling system.

The water inlet inner sleeve and the water return outer sleeve of the water return sleeve are coaxially arranged, and the sectional area of the water inlet inner sleeve is half of that of the water return outer sleeve.

The cooling inner tube and the cooling outer tube of the cooling sleeve are coaxially arranged, and the sectional area of the cooling inner tube is half of that of the cooling outer tube.

The installation mode of the water inlet of the cooling inner pipe and the water inlet inner sleeve pipe is fixed by welding or screw thread assembly.

The installation mode of the water outlet of the cooling outer pipe and the water return outer pipe is fixed by welding or screw thread assembly.

The lower end of the cooling outer tube is arranged in a conical structure.

The positioning sleeve disc is of a flange disc structure and sleeved on the cooling outer tube, an adjusting pre-tightening bolt is arranged on the positioning sleeve disc in a sleeved mode, and the outer wall of the cooling outer tube is tightly pressed through the adjusting pre-tightening bolt to fix the positioning sleeve disc and adjust the height position.

The bottom of the positioning sleeve plate is fixedly provided with a heat-insulating protection pad, and the heat-insulating protection pad is made of a high-temperature-resistant material.

The utility model has the beneficial effects that the water circulation cooling function of the cooling sleeve can be effectively formed by utilizing the water supply pipe, the water return sleeve and the water supply pipeline formed by the cooling sleeve, so that the cooling speed of the filler in the resistance furnace is greatly improved; the depth of the cooling sleeve inserted into the resistance furnace filler can be controlled by utilizing the positioning sleeve disk, so that the insertion depth of the cooling sleeve is gradually adjusted according to the circulating cooling power of the whole cooling system and the temperature change of the resistance furnace filler, on one hand, the cooling speed is controlled, and on the other hand, the stable operation of the cooling operation is ensured.

Drawings

FIG. 1 is a schematic plan view of the embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing the structure of a transverse end face of embodiment 1 of the present utility model;

FIG. 3 is a schematic view showing the structure of a longitudinal end face of embodiment 1 of the present utility model;

FIG. 4 is a schematic view of the transverse end face structure of the cooling device of the present utility model;

FIG. 5 is a schematic view of the longitudinal end face structure of the cooling device of the present utility model;

in the accompanying drawings: the cooling device 1, a water supply pipe 11, a water supply port 111, a water return pipe 12, a water return port 121, a water return sleeve 13, a water inlet inner sleeve 131, a water inlet 1311, a water return outer sleeve 132, a water outlet 1321, a cooling sleeve 14, a cooling inner pipe 141, a cooling outer pipe 142, a positioning disc 15, an adjusting pre-tightening bolt 151, a heat insulation protection pad 152, a water supply main pipe 2, a water return main pipe 3, a cooling tower 4, a circulating water pump 5, a resistance furnace 6, a heat preservation material 61, a resistance material 62 and a graphitization material 63.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail with reference to the embodiments.

Example 1

The utility model relates to a resistance furnace filler cooling device, which is shown in the accompanying figures 1-3, and is used in a resistance furnace filler cooling circulation system. The cooling device 1 and the cooling tower 4 are communicated through the water supply main pipe 2 and the water return main pipe 3 to form a loop, and the water supply main pipe 2 or the water return main pipe 3 is provided with the circulating water pump 5 for boosting and providing power for the cooling water circulation loop. During operation, the cooling device 1 utilizes water cooling to cool the filler in the resistance furnace 6, cooling water in the cooling device 1 is circularly supplied through the water supply main pipe 2, after the temperature of the cooling device 1 rises, the cooling water enters the cooling tower 4 through the water return main pipe 3 to cool, and then is pressurized through the circulating water pump 5 to be pressed into the cooling device 1 from the water supply main pipe 2 to cool the filler in the resistance furnace 6, so that cooling circulation is formed, and the purpose of improving the cooling speed of the filler in the resistance furnace is achieved.

Example 2

As shown in fig. 1-5, a structure and a cooling principle of the packing cooling device of the resistance furnace are provided.

Referring to fig. 4 and 5, the cooling device 1 comprises a water supply pipe 11, a water return pipe 12, a water return sleeve 13, a cooling sleeve 14 and a positioning sleeve disk 15; the water supply pipe 11 and the water return pipe 12 are arranged in parallel, the water supply port 111 is uniformly arranged on the water supply pipe 11, the water return port 121 is uniformly arranged on the water return pipe 12, and the openings of the water supply port 111 and the water return port 121 are oppositely arranged; the front end of the backwater sleeve 13 is fixedly arranged on the water supply port 111 of the water supply pipe 11, the rear end of the backwater sleeve 13 is fixedly arranged on the backwater port 121 of the backwater pipe 12, the backwater sleeve 13 comprises a water inlet inner sleeve 131 and a backwater outer sleeve 132, the water inlet inner sleeve 131 is sleeved in the backwater outer sleeve 132, water inlets 1311 are uniformly distributed on the water inlet inner sleeve 131, water outlets 1321 are uniformly distributed on the backwater outer sleeve 132, the water inlets 1311 and the water outlets 1321 are correspondingly arranged along the vertical direction, the front end of the water inlet inner sleeve 131 is communicated with the water supply port 111 of the water supply pipe 11, the rear end of the water inlet inner sleeve 131 is closed, the front end of the backwater outer sleeve 132 is closed, and the rear end of the backwater outer sleeve 132 is communicated with the backwater port 121 of the backwater pipe 12; the cooling sleeve 14 is uniformly arranged and installed on the backwater sleeve 13, the cooling sleeve 14 comprises a cooling inner pipe 141 and a cooling outer pipe 142, the cooling inner pipe 141 is sleeved in the cooling outer pipe 142, the cooling inner pipe 141 is fixedly installed on a water inlet 1311 of the water inlet inner sleeve 131 through the upper end and communicated with the water inlet 1311 of the water inlet inner sleeve 131, the lower end of the cooling inner pipe 141 is communicated with the inner cavity of the cooling outer pipe 142, the cooling outer pipe 142 is fixedly installed on a water outlet 1321 of the backwater outer sleeve 132 through the upper end and communicated with a water outlet 1321 of the backwater outer sleeve 132, and the lower end of the cooling outer pipe 142 is arranged in a closed manner; the positioning sleeve 15 is fixedly installed on the backwater outer sleeve 132 in an adjusting way.

Through above-mentioned technical scheme, the technical effect lies in: in order to form a complete continuous jacket type heat exchange water return pipeline structure for the cooling sleeve 14 capable of being inserted into the packing of the resistance furnace 6, cooling water can be driven into the water inlet inner sleeve 131 of the water return sleeve 13 from the water supply port 111 of the water supply pipe 11 under the pressure effect, and is driven into the cooling inner tube 141 of the cooling sleeve 14 through the water inlet 1311 on the water inlet inner sleeve 131, the cooling water enters from the upper end of the cooling inner tube 141, is discharged from the lower end to the lower end of the cooling outer tube 142, is discharged from the lower end of the jacket cavity between the cooling outer tube 142 and the cooling inner tube 141 upwards into the jacket cavity between the water inlet inner sleeve 131 and the water return outer sleeve 132 through the water outlet 1321 on the water return tube 12, and finally is discharged into the water return tube 12 through the water return port 121 on the water return tube 12 to form a cooling reflux structure.

The water supply pipe 11 and the water return pipe 12 are closed at one end, the other end of the water supply pipe 11 is installed and connected on the water supply main pipe 2 of the cooling system as in the embodiment 1, and one end of the water return pipe 12 is installed and connected on the water return main pipe 3 of the cooling system as in the embodiment 1, so that the cooling operation of the filling material of the resistance furnace 6 can be realized.

In order to ensure that the flow in each pipeline on the cooling device 1 can be perfectly configured, the cooling water can smoothly flow, the water inlet inner sleeve 131 and the water return outer sleeve 132 of the water return sleeve 13 are coaxially arranged, and the sectional area of the water inlet inner sleeve 131 is half of that of the water return outer sleeve 132. The cooling inner tube 141 and the cooling outer tube 142 of the cooling jacket 14 are coaxially installed, and the cross-sectional area of the cooling inner tube 141 is half of the cross-sectional area of the cooling outer tube 142.

The backwater sleeve 13 and the cooling sleeve 14 are of sleeve structures, and are respectively communicated, so that the cooling inner pipe 141 and the cooling outer pipe 142 are assembled in a split mode, the water inlets 1311 of the cooling inner pipe 141 and the water inlet inner sleeve 131 and the water outlets 1321 of the cooling outer pipe 142 and the backwater outer sleeve 132 are assembled and connected and fixed through threads, the cooling sleeve 14 is convenient to overhaul and clean dirt, and the method is superior to a welding and fixing method.

The lower end of the cooling outer tube 142 is provided with a conical structure, so that the cooling sleeve 14 is more labor-saving when being inserted into the filling of the resistance furnace 6 when the cooling device 1 is used.

The positioning sleeve 15 is used for controlling the insertion depth of the cooling outer tube 142 during cooling operation, the whole cooling device 1 is supported and configured in the packing of the resistance furnace 6 through the cooling outer tube 142 in the using process, and the positioning sleeve 15 on the cooling outer tube 142 can control the supporting strength of the cooling outer tube 142 on one hand and the insertion depth of the cooling outer tube 142 on the other hand. The positioning sleeve 15 is in a flange structure, is sleeved on the cooling outer tube 142, is provided with an adjusting pre-tightening bolt 151, and is used for fixing and adjusting the height position of the positioning sleeve 15 by tightly propping the outer wall of the cooling outer tube 142 through the adjusting pre-tightening bolt 151.

When the resistor furnace 6 performs graphitization operation on the waste of the electrolytic cathode material, granular graphitized materials 63 are laid along the positive and negative poles of the furnace body in a through length mode, then resistor materials 62 used for heating are arranged along the circumference of the graphitized materials 63, heat preservation materials 61 are filled between the resistor materials 62 and the furnace body and used for protecting the furnace body, and the temperature of the resistor materials 62 and the graphitized materials 63 can be heated to approximately 3000 ℃ in the process of graphitizing and calcining by electrifying, so that the main insertion part of the cooling outer tube 142 of the cooling device 1 is the middle resistor materials 62 and the graphitized materials 63 in the cooling process, and the cooling outer tube 142 cannot be inserted deeply at one time due to the high temperature of approximately 3000 ℃, the cooling outer tube 142 needs to be gradually cooled deeply according to the cooling effect, and the use of the positioning sleeve 15 can adjust the height position installed on the cooling outer tube 142 to achieve the effect of controlling the insertion depth. Because the positioning sleeve 15 is directly located on the surface of the high-temperature filler of the resistance furnace 6, the positioning sleeve 15 is not directly cooled by water circulation, in order to prevent high-temperature melting, the bottom of the positioning sleeve 15 is fixedly provided with the heat insulation protection pad 152, and the heat insulation protection pad 152 is made of high-temperature resistant materials.

Claims

1. The utility model provides a resistance furnace packing cooling device which characterized in that: comprises a water supply pipe (11), a water return pipe (12), a water return sleeve (13), a cooling sleeve (14) and a positioning sleeve disk (15); the water supply pipe (11) and the water return pipe (12) are arranged in parallel, the water supply pipe (11) is uniformly provided with water supply ports (111), the water return pipe (12) is uniformly provided with water return ports (121), and the openings of the water supply ports (111) and the water return ports (121) are oppositely arranged; the front end of the backwater sleeve (13) is fixedly arranged on a water supply port (111) of the water supply pipe (11), the rear end of the backwater sleeve (13) is fixedly arranged on a backwater port (121) of the backwater pipe (12), the backwater sleeve (13) comprises a water inlet inner sleeve (131) and a backwater outer sleeve (132), the water inlet inner sleeve (131) is sleeved in the backwater outer sleeve (132), water inlets (1311) are uniformly distributed on the water inlet inner sleeve (131), water outlets (1321) are uniformly distributed on the backwater outer sleeve (132), the water inlets (1311) and the water outlets (1321) are correspondingly arranged along the vertical direction, the front end of the water inlet inner sleeve (131) is communicated with the water supply port (111) of the water supply pipe (11), the rear end of the water inlet inner sleeve (131) is closed, the front end of the backwater outer sleeve (132) is closed, and the rear end of the backwater outer sleeve (132) is communicated with the backwater port (121) of the backwater pipe (12); the cooling sleeve (14) is uniformly arranged and installed on the backwater sleeve (13), the cooling sleeve (14) comprises a cooling inner pipe (141) and a cooling outer pipe (142), the cooling inner pipe (141) is sleeved in the cooling outer pipe (142), the cooling inner pipe (141) is fixedly installed on a water inlet (1311) of the water inlet inner sleeve (131) through the upper end and communicated with the water inlet (1311) of the water inlet inner sleeve (131), the lower end of the cooling inner pipe (141) is communicated with the inner cavity of the cooling outer pipe (142), the cooling outer pipe (142) is fixedly installed on a water outlet (1321) of the backwater outer pipe (132) through the upper end and communicated with the water outlet (1321) of the backwater outer pipe (132), and the lower end of the cooling outer pipe (142) is arranged in a closed mode; the positioning sleeve disk (15) is fixedly installed on the backwater outer sleeve (132) in an adjusting way.

2. The electric resistance furnace charge cooling apparatus of claim 1, wherein: one end of the water supply pipe (11) is closed, and the other end of the water supply pipe is installed and connected on a water supply main pipe (2) of the cooling system.

3. The electric resistance furnace charge cooling apparatus of claim 1, wherein: one end of the water return pipe (12) is closed, and the other end of the water return pipe is connected to a water return main pipe (3) of the cooling system.

4. The electric resistance furnace charge cooling apparatus of claim 1, wherein: the water inlet inner sleeve (131) and the water return outer sleeve (132) of the water return sleeve (13) are coaxially arranged, and the sectional area of the water inlet inner sleeve (131) is half of the sectional area of the water return outer sleeve (132).

5. The electric resistance furnace charge cooling apparatus of claim 1, wherein: the cooling inner tube (141) and the cooling outer tube (142) of the cooling sleeve (14) are coaxially arranged, and the cross section area of the cooling inner tube (141) is half of the cross section area of the cooling outer tube (142).

6. The electric resistance furnace charge cooling apparatus of claim 1, wherein: the cooling inner pipe (141) and the water inlet (1311) of the water inlet inner sleeve (131) are fixed in a welding or threaded assembly mode.

7. The electric resistance furnace charge cooling apparatus of claim 1, wherein: the installation mode of the water outlet (1321) of the water return outer sleeve (132) and the cooling outer tube (142) is fixed by welding or screw thread assembly.

8. The electric resistance furnace charge cooling apparatus of claim 1, wherein: the lower end of the cooling outer tube (142) is arranged in a conical structure.

9. The electric resistance furnace charge cooling apparatus of claim 1, wherein: the positioning sleeve (15) is of a flange structure, is sleeved on the cooling outer tube (142), is provided with an adjusting pre-tightening bolt (151), and is tightly propped against the outer wall of the cooling outer tube (142) through the adjusting pre-tightening bolt (151) to fix the positioning sleeve (15) and adjust the height position.

10. The electric resistance furnace charge cooling apparatus of claim 1, wherein: the bottom of the positioning sleeve disk (15) is fixedly provided with a heat insulation protection pad (152), and the heat insulation protection pad (152) is made of a high-temperature-resistant material.