CN220853178U - Tar gas heat exchange dust collector - Google Patents
Tar gas heat exchange dust collector Download PDFInfo
- Publication number
- CN220853178U CN220853178U CN202322473625.7U CN202322473625U CN220853178U CN 220853178 U CN220853178 U CN 220853178U CN 202322473625 U CN202322473625 U CN 202322473625U CN 220853178 U CN220853178 U CN 220853178U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- tar gas
- pipeline
- tar
- preheating chamber
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- 239000000428 dust Substances 0.000 title claims abstract description 52
- 239000007789 gas Substances 0.000 claims abstract description 113
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003546 flue gas Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000004939 coking Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Cyclones (AREA)
Abstract
The utility model discloses a tar gas heat exchange dust removal device, which comprises a preheating chamber, a heat exchange pipeline, a tar gas inlet pipeline, a cyclone cylinder and a tar gas outlet pipeline; one end of the heat exchange pipeline is communicated with the flue gas outlet, and the other end of the heat exchange pipeline is communicated with a hearth of the rotary kiln in a use state; one end of the tar gas inlet pipeline is used for being communicated with the rotary drum of the rotary kiln in a use state; the cyclone cylinder is arranged in the preheating chamber and is used for separating and discharging dust particles in tar gas downwards from the dust discharge pipe; one end of the tar gas outlet pipeline is communicated with the gas outlet at the top of the cyclone cylinder, the tar gas outlet pipeline is arranged in the heat exchange pipeline, and the other end of the tar gas outlet pipeline extends out of the tar gas outlet pipeline and is communicated with tar gas treatment equipment to remove tar in tar gas. The utility model can separate and remove dust particles in tar gas, and maintain the temperature of the tar gas before the tar gas is treated, thereby avoiding the blockage of a pipeline caused by condensation and coking of tar in the tar gas.
Description
Technical Field
The utility model relates to a tar gas heat exchange dust removal device, and belongs to the technical field of granulation rotary kilns.
Background
The granulating rotary kiln is an important device for manufacturing lithium battery cathode materials, the lithium battery cathode materials are subjected to granulating treatment in the rotary kiln, asphalt and the like are coated during granulating, the coating process comprises solidifying, cracking and carbonizing, tar gas is generated in the cracking process, tar and other combustible gases are contained in the tar gas, the tar gas can be discharged after being treated, in general, the tar gas is treated in a manner that the tar gas is communicated with a combustion furnace through a pipeline so as to burn in the combustion furnace, the combustible gases in the tar gas are removed, the temperature of the tar gas can be gradually reduced in the process that the tar gas is conveyed through the pipeline, the tar in the tar gas can be condensed and coked when the temperature is lower than 250 ℃, the coked tar is easy to block a pipeline for conveying the tar gas, the discharge of the tar gas in the rotary kiln is influenced, and the tar gas in the rotary kiln is not discharged in time, the direct influence is that the air pressure in the rotary kiln is increased, so that the sealing structure of the rotary kiln is caused to cause larger pressure, and the damage of the sealing structure of the rotary kiln is easy to be caused, on the other, the dust in the other, after the combustion, the dust in the pyrolysis gas, after the combustion, the dust in the rotary kiln, not in the rotary kiln, along with the gas, is discharged into the environment, is not beneficial to the environment.
Disclosure of Invention
The utility model aims to provide a tar gas heat exchange dust removal device, which solves the technical defects that tar in tar gas is condensed and coked due to temperature reduction in the process of conveying tar gas generated in a rotary kiln rotary drum to processing equipment in the prior art, so that a pipeline is blocked, and dust in the tar gas is difficult to remove.
In order to solve the problems, the utility model adopts the following technical scheme: the tar gas heat exchange dust removing device comprises a preheating chamber, a heat exchange pipeline, a tar gas inlet pipeline, a cyclone cylinder and a tar gas outlet pipeline; the upper part of the preheating chamber is provided with a heat exchange connection port, and the lower part of the preheating chamber is provided with a flue gas outlet; one end of the heat exchange pipeline is communicated with the heat exchange connecting port, the other end of the heat exchange pipeline is communicated with a hearth of the rotary kiln in a use state, and high-temperature flue gas in the hearth enters the heat exchange pipeline and the preheating chamber and is discharged from the flue gas outlet; one end of the tar gas inlet pipeline is used for being communicated with a rotary drum of the rotary kiln in a use state, and tar gas generated in the rotary drum enters a preheating chamber through the tar gas inlet pipeline; the cyclone cylinder is arranged in the preheating chamber, the air inlet of the cyclone cylinder is communicated with the tar gas inlet pipeline, the dust exhaust pipe at the bottom of the cyclone cylinder downwards extends out of the preheating chamber, and the cyclone cylinder is used for separating and downwards exhausting dust particles in the tar gas from the dust exhaust pipe; one end of the tar gas outlet pipeline is communicated with the gas outlet at the top of the cyclone cylinder, the tar gas outlet pipeline is arranged in the heat exchange pipeline, the other end of the tar gas outlet pipeline extends out from the tar gas outlet pipeline and is communicated with tar gas treatment equipment to remove tar in tar gas, and the tar gas after dust is separated by the cyclone cylinder enters the tar gas outlet pipeline and exchanges heat with flue gas in the heat exchange pipeline. According to the utility model, by arranging the cyclone, dust particles in tar gas are separated in the cyclone when the tar gas passes through the cyclone, and then the tar gas and high-temperature flue gas exchange heat in the heat exchange pipeline, so that the tar gas is in a high-temperature state, the blockage of the pipeline caused by condensation and coking of tar in the tar gas is avoided, and the tar gas generated in the rotary kiln can be discharged in time to protect the rotary kiln.
As a further improvement of the utility model, the preheating chamber comprises a heat exchange cylinder and a cylinder cover, the cyclone cylinder is arranged in the heat exchange cylinder, and the cylinder cover is covered on the top of the heat exchange cylinder in a use state and is used for sealing the heat exchange cylinder from the top. The preheating chamber is formed by two parts, and the cyclone cylinder can be conveniently installed in the preheating chamber through the installation and the disassembly of the cylinder cover, so that the subsequent overhaul of the cyclone cylinder is also convenient.
As a further improvement of the present utility model, there are also included a support a and a support B; the number of the supporting pieces A is more than two, and the supporting pieces A are fixed on the inner wall of the preheating chamber along the circumferential direction; the number of the supporting pieces B is the same as that of the supporting pieces A, and the supporting pieces B are fixed on the outer surface of the cyclone barrel along the circumferential direction, and the supporting pieces B are arranged on the supporting pieces A and supported upwards by the supporting pieces A. According to the utility model, the stability of the cyclone cylinder in the preheating chamber is improved through the cooperation of the supporting piece A and the supporting piece B.
As a further development of the utility model, the support B is detachably connected to the support a. According to the utility model, the support piece A and the support piece B are fixedly connected, so that noise caused by vibration between the cyclone barrel and the preheating chamber in a use state can be effectively reduced.
As a further improvement of the utility model, the cyclone dust collector also comprises a discharger, wherein the discharger is arranged at the bottom end of the dust discharge pipe of the cyclone, is used for discharging dust particles separated from the cyclone, and seals the dust discharge pipe of the cyclone in a use state. The utility model is convenient for discharging the dust particles separated by the cyclone cylinder by arranging the discharger.
As a further improvement of the utility model, the preheating chamber is also provided with a supporting frame which supports the preheating chamber from the bottom, and the discharger is arranged on the supporting frame. The utility model is provided with the supporting frame to lift the preheating cylinder, so that the installation of the discharger is facilitated.
As a further improvement of the utility model, the preheating chamber and the heat exchange pipeline are provided with heat preservation and insulation layers. The utility model reduces the heat loss and improves the heat utilization rate.
In summary, the beneficial effects of the utility model are as follows: the utility model can separate and remove dust particles in tar gas, and maintain the temperature of the tar gas before the tar gas is treated, thereby avoiding the blockage of a pipeline caused by condensation and coking of tar in the tar gas.
Drawings
Fig. 1 is a longitudinal cross-sectional view of the present utility model.
Fig. 2 is a longitudinal cross-sectional view of another angle of the present utility model.
1. A preheating chamber; 2. a heat exchange connection port; 3. a smoke outlet; 4. a heat exchange pipeline; 5. tar gas inlet pipeline; 6. a cyclone; 7. an air inlet; 8. a dust exhaust pipe; 9. a tar gas outlet pipeline; 10. an air outlet; 11. a heat exchange cylinder; 12. a cylinder cover; 13. a support member A; 14. a support member B; 15. a discharger; 16. and (5) supporting frames.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
The tar gas heat exchange and dust removal device shown in fig. 1 and 2 comprises a preheating chamber 1, a heat exchange pipeline 4, a tar gas inlet pipeline 5, a cyclone 6, a tar gas outlet pipeline 9 and a support frame 16.
The preheating chamber 1 in the utility model is cylindrical, a heat exchange connection port 2 and a through hole (not shown in the figure) penetrating the inside and the outside are arranged at the upper part of the preheating chamber 1, wherein the height of the through hole on the preheating chamber 1 is smaller than the height of the heat exchange connection port 2, a flue gas outlet 3 is arranged at the lower part of the preheating chamber 1, the bottom of the preheating chamber 1 is arranged on a supporting frame 16, and the supporting frame 16 supports the preheating chamber 1 from the bottom upwards.
One end of a heat exchange pipeline 4 is communicated with a heat exchange connection port 2, the end of the heat exchange pipeline 4 is fixedly welded with a preheating chamber 1, the other end of the heat exchange pipeline 4 is communicated with a hearth of a rotary kiln in a use state, and when the rotary kiln is used, high-temperature flue gas in the hearth enters the heat exchange pipeline 4, enters the preheating chamber 1 through the heat exchange pipeline 4 and is discharged from a flue gas outlet 3.
One end of a tar gas inlet pipeline 5 is used for being communicated with a rotary drum of the rotary kiln in a use state, the other end of the tar gas inlet pipeline 5 extends into the preheating chamber 1 from a through hole, the tar gas inlet pipeline 5 is fixedly welded with the preheating chamber 1, and tar gas generated in the rotary drum of the rotary kiln enters the preheating chamber 1 through the tar gas inlet pipeline 5.
The cyclone 6 in the utility model is arranged in the preheating chamber 1, the cyclone 6 in the utility model is the prior art, the structure of the cyclone 6 is not described in detail, the air inlet 7 of the cyclone 6 is communicated with one end of the tar gas inlet pipeline 5 extending into the preheating chamber 1, so that tar in the tar gas inlet pipeline 5 enters the cyclone 6, the dust exhaust pipe 8 at the bottom of the cyclone 6 extends downwards out of the preheating chamber 1, the cyclone 6 is used for separating and discharging dust particles in tar gas downwards from the dust exhaust pipe 8, and dust is collected from the dust exhaust pipe 8 of the cyclone 6, so that the dust in the tar gas is removed.
One end of a tar gas outlet pipeline 9 is communicated with an air outlet 10 at the top of a cyclone cylinder 6, the outer diameter of the tar gas outlet pipeline 9 is smaller than the inner diameter of a heat exchange pipeline 4, the tar gas outlet pipeline 9 is arranged in the heat exchange pipeline 4, a flue gas channel for flue gas to pass through is formed between the inner surface of the heat exchange pipeline 4 and the inner surface of the tar gas outlet pipeline 9, the other end of the tar gas outlet pipeline 9 extends out from the tar gas outlet pipeline 9 and is communicated with tar gas treatment equipment to remove tar in tar gas, the tar gas after dust is separated by the cyclone cylinder 6 enters the tar gas outlet pipeline 9 and exchanges heat with high-temperature flue gas in the flue gas channel in the heat exchange pipeline 4, the tar gas is kept in a high-temperature state, and tar in the tar gas is prevented from condensing and coking due to temperature reduction.
The preheating chamber 1 in the utility model comprises a heat exchange cylinder 11 and a cylinder cover 12, wherein the heat exchange cylinder 11 is cylindrical with an opening at the top, the cyclone cylinder 6 is arranged in the heat exchange cylinder 11, the cylinder cover 12 is covered on the top of the heat exchange cylinder 11 in a use state and is used for sealing the heat exchange cylinder 11 from the top. The utility model is preferably provided with the supporting pieces A13 and the supporting pieces B14, the number of the supporting pieces A13 is a plurality, the supporting pieces A13 are uniformly distributed along the circumferential direction and welded and fixed on the inner wall of the preheating chamber 1, the number of the supporting pieces B14 is the same as the number of the supporting pieces A13, the supporting pieces B14 are uniformly distributed along the circumferential direction and welded and fixed on the outer surface of the cyclone cylinder 6, the supporting pieces B14 are arranged on the supporting pieces A13 and supported upwards by the supporting pieces A13, and the supporting pieces B14 are detachably connected with the supporting pieces A13 by adopting bolts, so that vibration between the cyclone cylinder 6 and the heat exchange chamber 1 in a use state is reduced, and noise of the utility model in the use state is reduced.
In order to facilitate the removal of dust particles, the utility model is provided with the discharger 15, the discharger 15 is arranged at the bottom end of the dust discharge pipe 8 of the cyclone cylinder 6 and is detachably arranged on the supporting frame 16 by bolts, the discharger 15 is used for discharging the dust particles separated from the cyclone cylinder 6 and sealing the dust discharge pipe 8 of the cyclone cylinder 6 in a using state, and the structure of the discharger 15 per se in the utility model is the prior art and is not described in detail. The preheating chamber 1 and the heat exchange pipeline 4 are optimally provided with heat preservation and insulation layers, for example, heat preservation cotton is wrapped on the preheating chamber 1 and the heat exchange pipeline 4.
All parts not specifically described in the above description are prior art or can be realized by prior art. Moreover, the embodiments of the present utility model are described in the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are to be considered as technical scope of the present utility model.
Claims (7)
1. Tar gas heat transfer dust collector, its characterized in that: comprising
A preheating chamber (1), wherein a heat exchange connection port (2) is arranged at the upper part of the preheating chamber (1), and a flue gas outlet (3) is arranged at the lower part of the preheating chamber;
the heat exchange pipeline (4), one end of the heat exchange pipeline (4) is communicated with the heat exchange connector (2), the other end of the heat exchange pipeline is communicated with a hearth of the rotary kiln in a use state, and high-temperature flue gas in the hearth enters the heat exchange pipeline (4) and the preheating chamber (1) and is discharged from the flue gas outlet (3);
the tar gas inlet pipeline (5), one end of the tar gas inlet pipeline (5) is used for being communicated with a rotary drum of the rotary kiln in a use state, and tar gas generated in the rotary drum enters the preheating chamber (1) through the tar gas inlet pipeline (5);
The cyclone cylinder (6) is arranged in the preheating chamber (1), an air inlet (7) of the cyclone cylinder is communicated with the tar gas inlet pipeline (5), a dust exhaust pipe (8) at the bottom of the cyclone cylinder (6) downwards extends out of the preheating chamber (1), and the cyclone cylinder (6) is used for separating and downwards exhausting dust particles in the tar gas from the dust exhaust pipe (8);
The tar gas outlet pipeline (9), one end of the tar gas outlet pipeline (9) is communicated with a gas outlet (10) at the top of the cyclone cylinder (6), the tar gas outlet pipeline (9) is arranged in the heat exchange pipeline (4), the tar in tar gas is removed by the tar gas treatment equipment through the tar gas outlet pipeline (9), and the tar gas after dust is separated by the cyclone cylinder (6) enters the tar gas outlet pipeline (9) and exchanges heat with flue gas in the heat exchange pipeline (4).
2. The tar gas heat exchange and dust removal device as set forth in claim 1, wherein:
the preheating chamber (1) comprises a heat exchange cylinder (11) and a cylinder cover (12), the cyclone cylinder (6) is arranged in the heat exchange cylinder (11), and the cylinder cover (12) is covered at the top of the heat exchange cylinder (11) in a use state and is used for sealing the heat exchange cylinder (11) from the top.
3. The tar gas heat exchange and dust removal device according to claim 1 or 2, characterized in that: and also comprises
The number of the supporting pieces A (13) is more than two, and the supporting pieces A (13) are fixed on the inner wall of the preheating chamber (1) along the circumferential direction;
the number of the supporting pieces B (14) is the same as that of the supporting pieces A (13), the supporting pieces B (14) are fixed on the outer surface of the cyclone barrel (6) along the circumferential direction, and the supporting pieces B (14) are arranged on the supporting pieces A (13) and supported upwards by the supporting pieces A (13).
4. A tar gas heat exchange dust collector as set forth in claim 3, wherein:
The support member B (14) is detachably connected with the support member A (13).
5. The tar gas heat exchange and dust removal device according to claim 1 or 2, characterized in that:
The cyclone dust collector also comprises a discharger (15), wherein the discharger (15) is arranged at the bottom end of the dust discharge pipe (8) of the cyclone cylinder (6) and is used for discharging dust particles separated from the cyclone cylinder (6) and sealing the dust discharge pipe (8) of the cyclone cylinder (6) in a use state.
6. The tar gas heat exchange and dust removal device as set forth in claim 5, wherein:
The preheating chamber (1) is supported by the support frame (16) from the bottom, and the discharger (15) is arranged on the support frame (16).
7. The tar gas heat exchange and dust removal device according to claim 1 or 2, characterized in that:
The preheating chamber (1) and the heat exchange pipeline (4) are provided with heat preservation and insulation layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473625.7U CN220853178U (en) | 2023-09-12 | 2023-09-12 | Tar gas heat exchange dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473625.7U CN220853178U (en) | 2023-09-12 | 2023-09-12 | Tar gas heat exchange dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853178U true CN220853178U (en) | 2024-04-26 |
Family
ID=90748019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322473625.7U Active CN220853178U (en) | 2023-09-12 | 2023-09-12 | Tar gas heat exchange dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853178U (en) |
-
2023
- 2023-09-12 CN CN202322473625.7U patent/CN220853178U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |