CN219942181U - Solid-gas separation device for graphite cathode material production - Google Patents

Abstract

The utility model discloses a solid-gas separation device for graphite anode material production, and belongs to the technical field of tail gas separation. The solid-gas separation device comprises a cylinder assembly and a filtering assembly; the cylinder assembly comprises an upper cylinder and a lower cylinder which are communicated with each other, a collecting piece is arranged below the lower cylinder, an air outlet is formed in the upper end of the upper cylinder, an air inlet is formed in the lower end of the lower cylinder, and the air outlet is communicated with an outlet of the discharge pipeline; the filter component comprises a heating part and a filter part which are arranged in the lower cylinder body, the heating part is connected to the filter part and used for heating the filter part to a preset temperature at which organic matter gas can not condense, the filter part is used for blocking solid matters from passing through so that the solid matters fall into the collecting part under the self gravity, and tail gas can pass through the filter part and be discharged through the upper cylinder body. The solid-gas separation device for the production of the graphite anode material can separate tail gas and solid matters in exhaust tail gas, so that the solid matters can not block an exhaust pipeline, and the smoothness of the exhaust pipeline can be ensured.

Description

Solid-gas separation device for graphite cathode material production

Technical Field

The utility model relates to the technical field of tail gas separation, in particular to a solid-gas separation device for graphite anode material production.

Background

In the production and hot working process of the graphite anode material, the exhaust of tail gas containing tar and dust is usually accompanied; however, in the exhaust process, the temperature of the exhaust gas is gradually reduced, so that tar in the exhaust gas is quickly condensed and dust is very easy to be agglomerated, the exhaust pipeline is easily blocked by the dust, and the pressure in a production system is increased to cause a safety accident; in addition, in order to ensure the smoothness of the tail gas discharged by the discharge pipeline, the production is stopped periodically to clean tar and dust, which is not beneficial to industrialized continuous production and has lower production efficiency.

In view of the above, there is a need for a solid-gas separation device for graphite anode material production to solve the above problems.

Disclosure of Invention

The utility model aims to provide a solid-gas separation device for producing a graphite anode material, which can separate tail gas and solid matters in exhaust tail gas so that the solid matters can not block an exhaust pipeline and the smoothness of the exhaust pipeline can be ensured.

To achieve the purpose, the utility model adopts the following technical scheme:

the production of graphite negative pole material is with solid-gas separation device sets up in the exhaust pipe for tail gas and solid matter in the separation exhaust, including organic matter gas in the tail gas, include:

the cylinder assembly comprises an upper cylinder and a lower cylinder which are mutually communicated, a collecting piece is arranged below the lower cylinder, an air outlet is formed in the upper end of the upper cylinder, an air inlet for the exhaust tail gas to enter is formed in the lower end of the lower cylinder, and the air outlet is communicated with an outlet of the exhaust pipeline;

the filter assembly comprises a heating piece and a filter piece, wherein the heating piece and the filter piece are arranged in the lower cylinder, and the heating piece is connected to the filter piece and is used for heating the filter piece to a preset temperature capable of preventing the organic gas from condensing; the filter is used for blocking the solid matters from passing through, so that the solid matters fall into the collecting piece under the self gravity, and the tail gas can pass through the filter and be discharged through the upper cylinder.

Further, the solid-gas separation device for graphite anode material production further comprises:

the detection piece is arranged on the upper cylinder body and is used for detecting the temperature in the air outlet, and the detection piece is in communication connection with the heating piece.

Further, the detecting piece is a thermocouple temperature sensor.

Further, a cavity is formed in the lower cylinder, and the heating element comprises:

the heating cylinder is fixedly arranged in the cavity;

the heating body is connected to the heating cylinder, the heating body is used for heating the inside of the heating cylinder, and the heating cylinder is connected to the filter element so as to transfer heat to the filter element, and therefore the filter element is heated to the preset temperature.

Further, the heating element further includes:

the heating sleeve is positioned in the cavity and wrapped on the outer side of the heating cylinder.

Further, the heating body is a heating pipe or a heating wire.

Further, the filter includes:

the cylindrical bracket is arranged in the cavity and fixedly connected to the heating cylinder;

the filter screen, the inner peripheral wall of cylindric support and top face all detachably are provided with the filter screen, the filter screen is used for blockking the solid matter, just tail gas can pass the filter screen gets into in the cavity, the cavity with the gas outlet intercommunication.

Further, the cylindrical support and the heating cylinder are made of the same material and are made of stainless steel.

Further, a plurality of heating elements are arranged, and the plurality of heating elements are uniformly arranged on the periphery of the filter element in a surrounding mode.

Further, the upper cylinder body and the lower cylinder body are of an integrated structure.

The beneficial effects of the utility model are as follows:

through setting up heating element and filter element in lower barrel, when discharging the exhaust from the air inlet into the filter element, the filter element can stop solid matter from passing, so that the solid matter can drop in the collecting element below the lower barrel automatically under self gravity, make tail gas and organic matter gas in tail gas pass the filter element and then pass the upper barrel and discharge, thus realize discharging the tail gas and solid matter in the exhaust alone; meanwhile, the heating part heats the filter part to a preset temperature, so that organic gases in the exhaust gas cannot be condensed, and solid matters in the exhaust gas cannot be agglomerated to block the filter part when the filter part filters, so that the smooth separation of the solid matters and the exhaust gas can be ensured; by adopting the mode, solid substances and the tail gas body can be discharged separately, when the tail gas is discharged continuously in the later period, the problem that the discharge pipeline is blocked after the solid substances are clustered due to condensation of organic gas can be avoided even if the temperature in the discharge pipeline is reduced, so that the smoothness of the discharge pipeline can be ensured, and further, safety accidents caused by the increase of the pressure in a production system can be avoided, so that the safety is higher; in addition, the frequency and the workload of cleaning the discharge pipeline can be reduced, the industrialized continuous production is facilitated, and the production efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of a solid-gas separation device for graphite anode material production;

fig. 2 is a schematic diagram of the internal structure of the solid-gas separation device for graphite anode material production.

Reference numerals illustrate:

1-an upper cylinder; 11-an air outlet;

2-a lower cylinder; 21-a cavity;

3-heating element; 31-heating the cylinder; 32-heating the body; 33-heating jacket;

4-a filter; 41-a cylindrical stent; 42-filtering net;

5-detecting part; 6-temperature controller.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise. Like reference numerals refer to like elements throughout the specification.

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

The embodiment provides a solid-gas separation device for graphite anode material production and a graphite anode material production system comprising the solid-gas separation device for graphite anode material production, wherein the graphite anode material production system further comprises a discharge pipeline for discharging discharge tail gas generated in the production process of the graphite anode material production system; the solid-gas separation device for the production of the graphite anode material is arranged in the discharge pipeline, and is used for separating and discharging tail gas and solid matters in the exhaust tail gas, so that the problem that the discharge pipeline is blocked due to the agglomeration phenomenon of the solid matters is avoided. Wherein, the organic gas is specifically that the organic gas is not condensed at high temperature, but is rapidly condensed in a low-temperature environment. In this embodiment, the organic gas contains tar, and the solid material is dust.

Specifically, as shown in fig. 1 and 2, the solid-gas separation device for graphite anode material production comprises a cylinder assembly and a filter assembly; the cylinder assembly comprises an upper cylinder 1 and a lower cylinder 2, wherein the upper cylinder 1 is overlapped on the lower cylinder 2, a collecting piece is arranged below the lower cylinder 2 and used for collecting solid matters, an air outlet 11 is arranged at the upper end of the upper cylinder 1, the air outlet 11 is communicated with an outlet of a discharge pipeline, and an air inlet used for discharging tail gas is arranged at the lower end of the lower cylinder 2; the filter assembly comprises a heating element 3 and a filter element 4 which are both arranged in the lower cylinder 2, wherein the heating element 3 is connected to the filter element 4, so that the heating element 3 can heat the filter element 4 to a preset temperature, and the preset temperature can ensure that organic gases are not condensed; when exhaust gas is discharged into the filter element 4 from the gas inlet, the filter element 4 can block solid matters from passing through, so that the solid matters can automatically fall into the collecting element under the self gravity, and the exhaust gas can pass through the filter element 4 and then be discharged to the outlet of the exhaust pipeline through the gas outlet 11 of the upper cylinder body 1. The collecting piece can be a collecting box, the air outlet 11 is an opening of the upper end face of the upper cylinder 1, and the air inlet is an opening of the lower end face of the lower cylinder 2; and arrow a in fig. 1 is the discharge direction of the exhaust gas body, and arrow B is the discharge direction of the solid matter.

By arranging the heating element 3 and the filtering element 4 in the lower cylinder 2, when exhaust tail gas is discharged into the filtering element 4 from the air inlet, the filtering element 4 can block solid substances from passing through, so that the solid substances can automatically fall into the collecting element below the lower cylinder 2 under the self gravity, and tail gas and organic substances in the tail gas can pass through the filtering element 4 and then are discharged through the upper cylinder 1, thereby realizing the independent discharge of the tail gas and the solid substances in the exhaust tail gas; meanwhile, the heating element 3 heats the filtering element 4 to a preset temperature, so that organic gases in the exhaust gas are not condensed when the filtering element 4 filters, and solid matters in the exhaust gas are not clustered in the filtering process to block the filtering element 4, so that the filtering element 4 can normally filter, and smooth separation of the solid matters and the exhaust gas can be ensured; by adopting the mode, solid substances and the tail gas body can be discharged separately, when the tail gas is discharged continuously in the later period, the problem that the discharge pipeline is blocked after the solid substances are clustered due to condensation of organic gas can be avoided even if the temperature in the discharge pipeline is reduced, so that the smoothness of the discharge pipeline can be ensured, and further, safety accidents caused by the increase of the pressure in a production system can be avoided, so that the safety is higher; moreover, the organic gas and the solid substances in the discharge pipeline do not need to be periodically stopped, so that the frequency and the workload for cleaning the discharge pipeline can be reduced, the industrial continuous production is facilitated, and the production efficiency is higher.

It should be noted that, when the exhaust gas flows to the upper cylinder 1 and flows back to the exhaust pipe again, the heating element 3 does not heat the exhaust gas, that is, the organic gas in the exhaust gas may still be condensed, but at this time, the solid matters in the exhaust gas are discharged independently, so that the condensation of the organic gas does not cause the solid matters to be agglomerated to block the exhaust pipe, thereby ensuring the smoothness of the exhaust pipe.

Further, as shown in fig. 1 and 2, the solid-gas separation device for graphite anode material production further comprises a detection piece 5 and a temperature controller 6; the detecting piece 5 is arranged on the upper cylinder 1, and the detecting piece 5 is used for detecting the temperature in the air outlet 11, so that the setting and the detection of the detecting piece 5 are simple and convenient; and the detecting piece 5 is in communication connection with the temperature controller 6, and the temperature controller 6 is in control connection with the heating piece 3, so that the temperature controller 6 can control the heating piece 3 to heat according to the detection information of the detecting piece 5, and the temperature of the filtering piece 4 can be kept to be the preset temperature all the time. Wherein the preset temperature is higher than the liquefaction temperature of the organic gas. In this embodiment, the detecting member 5 may be a thermocouple temperature sensor, and the temperature controller 6 is a temperature control structure commonly used in the prior art, and the control principle of the temperature controller 6 will not be described in detail here.

Specifically, as shown in fig. 2, a cavity 21 is formed in the lower cylinder 2, and the heating member 3 includes a heating cylinder 31 and a heating body 32, the heating cylinder 31 being fixedly disposed in the cavity 21; the heating body 32 is connected to the heating cylinder 31, and the heating body 32 is used for heating the inside of the cavity 21; and the heating cylinder 31 is connected to the filter 4 to be able to transfer heat to the filter 4 to heat the filter 4 to a preset temperature, i.e., the temperature of the inside and outside of the filter 4 can be made to be the preset temperature by the heat transfer of the heating cylinder 31.

The highest heating temperature of the heating body 32 is 1100 ℃, and the heating body 32 is specifically a heating pipe, and the heating pipe is inserted into the heating cylinder 31. In other embodiments, the heating body 32 may be a heating wire wound around the inner wall and/or the outer wall of the heating cylinder 31. In other embodiments, the heating body 32 may be a heating tube or a heating wire.

Further, as shown in fig. 2, the heating element 3 further includes a heating sleeve 33, where the heating sleeve 33 is located in the cavity 21 and wrapped on the outer side of the heating barrel 31, so as to ensure the heating effect of the heating body 32, and prevent heat from being dissipated to the outer side of the lower barrel 2 through the heating barrel 31, so as to ensure that the heat of the heating barrel 31 can only be transferred to the filter element 4, and ensure the heating effect on the filter element 4. Wherein, the thickness of the heating sleeve 33 is 2 cm-10 cm, and the heating sleeve 33 can be made of one or more of glass cloth, asbestos or aluminum silicate cotton.

Wherein, heating piece 3 is provided with a plurality of, and a plurality of heating pieces 3 evenly encircle the periphery of setting up at filter 4 to can make each heating piece 3 more evenly and fast with the temperature heating of filter 4 to predetermineeing the temperature. In the present embodiment, the heating element 3 is specifically provided with four.

Specifically, as shown in fig. 2, the filter 4 includes a cylindrical holder 41 and a screen 42; wherein, the cylindrical support 41 is arranged in the cavity 21 and is fixedly connected to the heating cylinder 31, so that the heating cylinder 31 can directly transfer heat to the cylindrical support 41, thereby ensuring that the temperature of the inner side and the outer side of the cylindrical support 41 is a preset temperature, and further ensuring that the organic gas in the tail gas can not be condensed in the filtering process; a filter screen 42 is detachably provided on both the inner peripheral wall and the top end face of the cylindrical holder 41, the filter screen 42 is for blocking solid matter, and the exhaust gas can pass through the filter screen 42 into the chamber 21, and the chamber 21 communicates with the gas outlet 11. The shape and size of the screen 42 are not limited. The air inlet of the lower cylinder 2 is disposed corresponding to the cylindrical support 41, so that the exhaust gas of the air inlet can only directly enter the cylindrical support 41, but not directly enter the cavity 21.

Specifically, as shown in fig. 1, when exhaust gas enters the inside of the cylindrical support 41 through the gas inlet at the bottom end of the cylindrical support 41, the exhaust gas can flow to the filter screen 42, so that the filter screen 42 blocks solid matters in the exhaust gas, the solid matters cannot pass through the filter screen 42, that is, the solid matters are all located inside the cylindrical support 41 and cannot pass through the filter screen 42 to enter the cavity 21 of the lower cylinder 2, and the solid matters blocked by the filter screen 42 can automatically fall into the collecting member under the action of self gravity; meanwhile, as the tail gas in the discharged tail gas can pass through the filter screen 42, namely, the tail gas can pass through the filter screen 42 from the annular side surface and the top end surface of the cylindrical support 41 and enter the cavity 21 of the lower cylinder 2, then enter the upper cylinder 1 from the cavity 21 and be discharged into the outlet of the discharge pipeline from the air outlet 11 of the upper cylinder 1, the separated discharge of solid matters and tail gas in the discharged tail gas is realized, and the solid matters are ensured not to block the discharge pipeline. Specifically, a plurality of holes are formed in the cylindrical support 41, a filter screen 42 is provided in one hole, and the filter screen 42 is detachably provided in the hole, so that replacement of the filter screen 42 can be facilitated, and maintenance work of the solid-gas separation device for graphite anode material production in the later stage is facilitated. The filter screen 42 may be detachably disposed in the hole by a bolt, or the filter screen 42 may be directly fastened in the hole by a fastening manner, which is not limited herein, so long as the filter screen 42 is detachably disposed in the hole.

The mesh number of the filter screen 42 in this embodiment is specifically 270 mesh to 10000 mesh. In other embodiments, the filter screen 42 may be of other mesh numbers, so that the filter screen 42 with different mesh numbers can be replaced according to specific conditions of solid matters, and the filter screen 42 can intercept the solid matters with different particle diameters, so that the solid-gas separation device for producing the graphite anode material can separate other solid matters from tail gas, and the whole solid-gas separation device for producing the graphite anode material has better universality and applicability.

Further, the cylindrical holder 41 is made of the same material as the heating cylinder 31 so that the heating cylinder 31 can transfer heat to the cylindrical holder 41 well to keep the temperature of the cylindrical holder 41 at a preset temperature; the cylindrical holder 41 and the heating cylinder 31 are made of high temperature resistant stainless steel, and may be made of high temperature resistant stainless steel having the types 310S, 309S, 436L, 409L, 321, 316, 306 or 304.

Specifically, as shown in fig. 2, the upper cylinder 1 and the lower cylinder 2 are integrally formed, so that on one hand, the connection between the upper cylinder 1 and the lower cylinder 2 is relatively simple and stable, and on the other hand, the tightness between the upper cylinder 1 and the lower cylinder 2 can be ensured, and the exhaust of tail gas from a gap between the upper cylinder 1 and the lower cylinder 2 is avoided.

The specific working process of the solid-gas separation device for graphite anode material production in this embodiment is as follows:

firstly, the exhaust gas in the exhaust pipe enters the inner side of the cylindrical support 41 through the gas inlet at the bottom end of the cylindrical support 41, and at this time, the exhaust gas can flow to each filter screen 42 due to the flowability, so that each filter screen 42 can block the solid matters in the exhaust gas, and the solid matters cannot pass through the filter screen 42, that is, the solid matters are located in the inner side of the cylindrical support 41 and cannot pass through the filter screen 42 to enter the cavity 21 of the lower cylinder 2, and the solid matters blocked by the filter screen 42 can automatically fall into the collecting member under the action of self gravity.

Meanwhile, the tail gas in the discharged tail gas passes through the filter screen 42, namely, the tail gas can pass through the filter screen 42 from the annular side surface and the top end surface of the cylindrical support 41 and enter the cavity 21 of the lower cylinder 2, then enter the upper cylinder 1 from the cavity 21, reenter the discharge pipeline from the air outlet 11 of the upper cylinder 1, and then be discharged from the outlet of the discharge pipeline.

Wherein, make temperature control according to the detection information control heating member 3 of detecting member 5 heat to make heating member 3 heat filter 4, make the temperature of filter 4 inside and outside keep at preset temperature all the time, the inside and outside of cylindric support 41 is preset temperature promptly, thereby can guarantee in whole filtration process, can keep heating the tail gas body in the lower barrel 2, avoid organic matter gas in the tail gas to take place the condensation and make the solid matter reunite with the jam filter screen 42, so that the filter screen 42 can carry out solid-gas separation smoothly.

The solid-gas separation device for graphite negative electrode material production in this embodiment can separate exhaust tail gas and solid matter in the exhaust gas, and when the temperature reduces and makes the organic matter gas in the tail gas take place the condensation, also can not make the solid matter produce the reunion and block up the exhaust duct, has guaranteed the unobstructed nature of exhaust duct to the safety in utilization is higher, and can reduce the frequency and the work load to the exhaust duct clearance, is favorable to continuous production.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. The production of graphite negative pole material is with solid-gas separation device sets up in the exhaust pipe for tail gas and solid matter in the separation exhaust, including organic matter gas in the tail gas, its characterized in that includes:

the cylinder assembly comprises an upper cylinder (1) and a lower cylinder (2) which are communicated with each other, a collecting piece is arranged below the lower cylinder (2), an air outlet (11) is formed in the upper end of the upper cylinder (1), an air inlet for the exhaust tail gas to enter is formed in the lower end of the lower cylinder (2), and the air outlet (11) is communicated with an outlet of the exhaust pipeline;

the filter assembly comprises a heating element (3) and a filter element (4), wherein the heating element (3) and the filter element (4) are arranged in the lower cylinder (2), and the heating element (3) is connected to the filter element (4) and is used for heating the filter element (4) to a preset temperature capable of preventing the organic gas from condensing; the filter (4) is used for blocking the solid matters from passing through, so that the solid matters fall into the collecting piece under the self gravity, and the tail gas can pass through the filter (4) and be discharged through the upper cylinder (1).

2. The solid-gas separation device for producing a graphite anode material according to claim 1, further comprising:

the detection piece (5) is arranged on the upper cylinder body (1), the detection piece (5) is used for detecting the temperature in the air outlet (11), and the detection piece (5) is in communication connection with the heating piece (3).

3. The solid-gas separation device for graphite anode material production according to claim 2, wherein the detecting member (5) is a thermocouple temperature sensor.

4. The solid-gas separation device for graphite anode material production according to claim 1, wherein a cavity (21) is formed in the lower cylinder (2), and the heating member (3) comprises:

the heating cylinder (31) is fixedly arranged in the cavity (21);

-a heating body (32) connected to the heating cartridge (31), the heating body (32) being adapted to heat the interior of the heating cartridge (31), the heating cartridge (31) being connected to the filter element (4) to be able to transfer heat to the filter element (4) to heat the filter element (4) to the preset temperature.

5. The solid-gas separation device for graphite anode material production according to claim 4, wherein the heating member (3) further comprises:

and the heating sleeve (33) is positioned in the cavity (21) and is wrapped on the outer side of the heating cylinder (31).

6. The solid-gas separation device for graphite anode material production as claimed in claim 4, wherein the heating body (32) is a heating pipe or a heating wire.

7. The solid-gas separation device for graphite anode material production according to any one of claims 4 to 6, wherein the filter (4) comprises:

a cylindrical holder (41) disposed in the cavity (21) and fixedly connected to the heating cylinder (31);

the filter screen (42), the inner peripheral wall and the top face of cylindric support (41) all detachably are provided with filter screen (42), filter screen (42) are used for blockking solid matter, just tail gas can pass filter screen (42) get into in cavity (21), cavity (21) with gas outlet (11) intercommunication.

8. The solid-gas separation device for graphite anode material production as claimed in claim 7, wherein the cylindrical holder (41) and the heating cylinder (31) are made of the same material and are made of stainless steel.

9. The solid-gas separation device for graphite anode material production according to any one of claims 1 to 6, wherein a plurality of heating members (3) are provided, and a plurality of the heating members (3) are uniformly disposed around the outer periphery of the filter member (4).

10. The solid-gas separation device for graphite anode material production according to any one of claims 1 to 6, wherein the upper cylinder (1) and the lower cylinder (2) are of an integrally molded structure.