CN216432538U

CN216432538U - Energy-saving device for graphite electrode graphitization furnace

Info

Publication number: CN216432538U
Application number: CN202122900126.2U
Authority: CN
Inventors: 张建明; 乔东斌; 陈建云; 甘元文
Original assignee: Dechang Shida Carbon Co ltd
Current assignee: Dechang Shida Carbon Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-03
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to an economizer technical field for graphitizing furnace especially relates to a graphite electrode is economizer for graphitizing furnace, has solved the problem that waste heat in the high material that produces in the production process of graphitizing furnace among the prior art remains recovery and recycles. The utility model provides an economizer for graphite electrode graphitization furnace, includes the cooler bin, four supporting foot seats that are the distribution of rectangle array of bottom fixedly connected with of cooler bin, and the top of cooler bin is provided with the feeder hopper, and the top of feeder hopper is open structure, and the cooler bin is run through to the bottom of feeder hopper, and the bottom of feeder hopper is provided with water conveying box, a plurality of conveying pipeline of bottom fixedly connected with of feeder hopper, the conveying pipeline run through water conveying box and with the feeder hopper intercommunication, the bottom of water conveying box is provided with a plurality of shower. The utility model discloses a spray cooling's method turns into high-temperature steam with the waste heat in the high temperature material and is used for the intensification circulating water, has realized the energy-conserving effect of recovery waste heat in order to reduce the energy waste.

Description

Energy-saving device for graphite electrode graphitization furnace

Technical Field

The utility model relates to an economizer technical field for graphitizing furnace especially relates to an economizer for graphite electrode graphitizing furnace.

Background

In order to meet the market demand for large-size graphite electrodes, smelting technologies and related devices are continuously developed and improved, wherein a graphitization furnace is used as a device for purifying graphite powder at high temperature, the graphitization furnace has the advantages of high production efficiency, energy conservation and electricity saving, and is widely applied to the field of graphite production, the Acheson graphitization furnace is one of the common graphitization furnace types, a large amount of resistance materials and heat preservation materials are needed to be used for heat transfer and heat insulation in the production process, after production is completed, the high-temperature materials need to be cooled and recovered, the existing high-temperature material cooling mode comprises a natural cooling mode and a spray cooling mode, the heat in the high-temperature materials cannot be recovered and reused, energy waste is caused, and aiming at the problem, an energy-saving device for a graphitization furnace can be provided, the energy utilization rate is improved by recovering the heat in the high-temperature materials, thereby realizing the effect of energy conservation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a graphite electrode is economizer for graphitizing furnace has solved the problem that the waste heat in the high material that produces in the production process of graphitizing furnace among the prior art remains the recovery to recycle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an energy-saving device for a graphite electrode graphitization furnace comprises a cooling box, wherein four supporting foot seats distributed in a rectangular array are fixedly connected to the bottom of the cooling box, a feed hopper is arranged at the top of the cooling box, the top of the feed hopper is of an open structure, the bottom of the feed hopper penetrates through the cooling box, a water delivery tank is arranged at the bottom of the feed hopper, a plurality of feed conveying pipes are fixedly connected to the bottom of the feed hopper, the feed conveying pipes penetrate through the water delivery tank and are communicated with the feed hopper, a plurality of spray pipes are arranged at the bottom of the water delivery tank, a plurality of uniformly distributed water outlet grooves are formed in the side wall of each spray pipe, the feed conveying pipes and the spray pipes are distributed in an alternating manner, a water collecting tank is fixedly connected to the outer side of the cooling box, the water collecting tank is communicated with the water delivery tank through a water delivery pipe, a water inlet pipe is installed at one side of the water collecting tank, a discharge pipe is installed at the bottom of the cooling box, a valve is installed in the discharge pipe, and a preheating sleeve is fixedly connected to the top of the cooling box, the preheating sleeve is of an annular structure and surrounds the outer side of the feeding hopper, a cavity is formed in the preheating sleeve, the cavity is communicated with the inner cavity of the cooling box through a plurality of air guide pipes, a circulating pump is fixedly connected to the outer side of the cooling box, the circulating pump is communicated with the inner cavity of the cooling box, the circulating pump is communicated with the water collecting tank, the water collecting tank is communicated with the cavity through pipelines, a material box is arranged in front of the preheating sleeve and the feeding hopper, and the material box is of an annular structure.

Preferably, the material conveying pipes and the spray pipes are distributed in an array mode and are distributed in an inserting mode.

Preferably, the water outlet groove is in an upward inclined structure in the direction far away from the central axis of the spray pipe.

Preferably, the bottom of the cooling box is conical and the tapping pipe is located at the lowest point of the cooling box.

Preferably, a supporting plate is arranged in front of the preheating sleeve and the feeding hopper, is of an annular structure and is elastically connected with the cooling box at the bottom through a spring.

Preferably, the height of the air outlet of the air duct is positioned at the upper third of the cavity.

The utility model discloses possess following beneficial effect at least:

the vapor that produces after high temperature material and circulating water contact is transmitted to the cavity in, can preheat the material in the magazine, and meanwhile, the cooling water that is heaied up gets into the circulation again, can promote the bulk temperature of circulating water, is favorable to turning into vapor, and this process can retrieve the heat when cooling high temperature material to reduce the waste of heat, reach energy-conserving purpose.

The utility model discloses still possess following beneficial effect:

the spray pipes and the conveying pipes which are alternately distributed are favorable for full contact of high-temperature materials and cooling water, and the materials can be soaked in the cooling water after falling, so that the heat recovery rate can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a front view of the present invention;

FIG. 2 is a sectional view of the water delivery tank, the spray pipe and the delivery pipe;

FIG. 3 is a top view of the feed hopper, pre-heater jacket and gas duct.

In the figure: 1. a cooling tank; 2. a feed hopper; 3. a water delivery tank; 4. a delivery pipe; 5. a shower pipe; 6. a water collection tank; 7. a water inlet pipe; 8. a water delivery pipe; 9. a circulation pump; 10. preheating a sleeve; 11. a cavity; 12. an air duct; 13. a support plate; 14. a magazine; 15. a discharge pipe; 16. a water outlet groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, an energy saving device for a graphite electrode graphitization furnace comprises a cooling box 1, four supporting foot seats distributed in a rectangular array are fixedly connected to the bottom of the cooling box 1, a feed hopper 2 is arranged at the top of the cooling box 1, the top of the feed hopper 2 is of an open structure, the bottom of the feed hopper 2 penetrates through the cooling box 1, a water delivery tank 3 is arranged at the bottom of the feed hopper 2, a plurality of feed pipes 4 are fixedly connected to the bottom of the feed hopper 2, the feed pipes 4 penetrate through the water delivery tank 3 and are communicated with the feed hopper 2, a plurality of spray pipes 5 are arranged at the bottom of the water delivery tank 3, a plurality of uniformly distributed water outlet grooves 16 are formed in the side wall of each spray pipe 5, the feed pipes 4 and the spray pipes 5 are alternately distributed, a water collection tank 6 is fixedly connected to the outer side of the cooling box 1, the water collection tank 6 is communicated with the water delivery tank 3 through a water delivery pipe 8, and a water inlet pipe 7 is installed at one side of the water collection tank 6, install the valve in discharging pipe 15 and discharging pipe 15 in the bottom of cooler bin 1, the top fixedly connected with preheating sleeve 10 of cooler bin 1, preheating sleeve 10 is the loop configuration and centers on in the outside of feeder hopper 2, cavity 11 has been seted up to the inside of preheating sleeve 10, cavity 11 communicates through a plurality of air duct 12 with the inner chamber of cooler bin 1, the outside fixedly connected with circulating pump 9 of cooler bin 1, circulating pump 9 and the inner chamber of cooler bin 1, circulating pump 9 and header tank 6 and cavity 11 all communicate through the pipeline, be provided with magazine 14 before preheating sleeve 10 and feeder hopper 2, magazine 14 is the loop configuration.

The scheme has the following working processes:

the cooling water is injected from the water inlet pipe 7, the high-temperature materials are put into the feed hopper 2, the cooling water discharged from the water outlet groove 16 on the spray pipe 5 after passing through the water collecting tank 6, the water conveying pipe 8 and the water conveying tank 3 is contacted with the high-temperature materials output from the material conveying pipe 4, the cooling water can absorb the heat in the high-temperature materials, one part of the cooling water is converted into high-temperature water vapor and passes through the air guide pipe 12 to enter the cavity 11, the heat of the water vapor is transferred into the materials in the material box 14 to play a role in preheating the materials, the cooling water is converted into liquid water vapor which can enter the water collecting tank 6 through the pipeline to enter the circulation again, and the other part of the cooling water which is still in the liquid state and is heated can also pass through the pipeline to enter the water collecting tank 6 to enter the circulation again under the effect of the circulating pump 9.

According to the working process, the following steps are known:

the energy-saving device can transfer heat in the high-temperature material by means of circulation of cooling water, the effect of recycling the heat in the high-temperature material is achieved, energy waste is effectively reduced, and the energy-saving effect is achieved.

Furthermore, the conveying pipes 4 and the spraying pipes 5 are distributed in an array mode, the conveying pipes 4 and the spraying pipes 5 are distributed in an inserting mode, and high-temperature materials output from the conveying pipes 4 can be surrounded by cooling water, so that the high-temperature materials can be in full contact with the cooling water.

Furthermore, the water outlet groove 16 is of an upward inclined structure in the direction far away from the center axis of the spray pipe 5, so that the spray range of water flow output from the water outlet groove 16 can be enlarged, and the full contact between high-temperature materials and cooling water is facilitated.

Further, the bottom of cooler bin 1 is toper structure and discharging pipe 15 and is located the minimum point department of cooler bin 1, and the high temperature material can be automatic to the gathering of discharging pipe 15 department after falling, the output of being convenient for, and the colleague can avoid the high temperature material to get into circulating line.

Furthermore, a supporting plate 13 is arranged in front of the preheating sleeve 10 and the feeding hopper 2, the supporting plate 13 is of an annular structure and is elastically connected with the cooling box 1 at the bottom through a spring, and the supporting plate 13 and the spring are matched to play a role in buffering and damping in the process of assembling and disassembling the material discharging box 14, so that the whole effect of the protection device can be achieved.

Furthermore, the height of the air outlet of the air duct 12 is located at the upper third of the cavity 11, so that the problem that the cooling water converted into liquid state again seals the air outlet or flows back to the cooling tank 1 through the air duct 12 can be avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an economizer for graphite electrode graphitization furnace, includes cooler bin (1), its characterized in that: the bottom fixedly connected with four of the cooling box (1) is rectangular array distribution support foot seats, the top of the cooling box (1) is provided with a feed hopper (2), the top of the feed hopper (2) is of an open structure, the bottom of the feed hopper (2) penetrates through the cooling box (1), the bottom of the feed hopper (2) is provided with a water conveying box (3), the bottom of the feed hopper (2) is fixedly connected with a plurality of feed conveying pipes (4), the feed conveying pipes (4) penetrate through the water conveying box (3) and are communicated with the feed hopper (2), the bottom of the water conveying box (3) is provided with a plurality of spray pipes (5), a plurality of uniformly distributed water outlet grooves (16) are formed in the side wall of each spray pipe (5), the feed conveying pipes (4) and the spray pipes (5) are distributed alternately, the outer side of the cooling box (1) is fixedly connected with a water collecting box (6), the water collecting tank (6) is communicated with the water conveying tank (3) through a water conveying pipe (8), a water inlet pipe (7) is installed on one side of the water collecting tank (6), a discharge pipe (15) is installed at the bottom of the cooling tank (1) and a valve is installed in the discharge pipe (15), a preheating sleeve (10) is fixedly connected to the top of the cooling tank (1), the preheating sleeve (10) is of an annular structure and surrounds the outer side of the feed hopper (2), a cavity (11) is formed in the preheating sleeve (10), the cavity (11) is communicated with the inner cavity of the cooling tank (1) through a plurality of air guide pipes (12), a circulating pump (9) is fixedly connected to the outer side of the cooling tank (1), the circulating pump (9) is communicated with the inner cavity of the cooling tank (1), the circulating pump (9) is communicated with the water collecting tank (6) and the cavity (11) through pipelines, a material box (14) is arranged in front of the preheating sleeve (10) and the feed hopper (2), and the material box (14) is of an annular structure.

2. The energy-saving device for the graphite electrode graphitization furnace according to claim 1, characterized in that: the material conveying pipes (4) and the spray pipes (5) are distributed in an array manner, and the material conveying pipes (4) and the spray pipes (5) are distributed in an inserting manner.

3. The energy-saving device for the graphite electrode graphitization furnace according to claim 1, characterized in that: the water outlet groove (16) is of an upward inclined structure in the direction far away from the central axis of the spray pipe (5).

4. The energy-saving device for the graphite electrode graphitization furnace according to claim 1, characterized in that: the bottom of the cooling box (1) is of a conical structure, and the discharge pipe (15) is located at the lowest point of the cooling box (1).

5. The energy-saving device for the graphite electrode graphitization furnace according to claim 1, characterized in that: the preheating sleeve (10) and the feeding hopper (2) are provided with a supporting plate (13) in front, and the supporting plate (13) is of an annular structure and is elastically connected with the cooling box (1) at the bottom through a spring.

6. The energy-saving device for the graphite electrode graphitization furnace according to claim 1, characterized in that: the height of the air outlet of the air duct (12) is positioned at the upper third of the cavity (11).