CN213866091U - High-temperature raw gas movable particle bed dust removal device - Google Patents
High-temperature raw gas movable particle bed dust removal device Download PDFInfo
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- CN213866091U CN213866091U CN202022407635.7U CN202022407635U CN213866091U CN 213866091 U CN213866091 U CN 213866091U CN 202022407635 U CN202022407635 U CN 202022407635U CN 213866091 U CN213866091 U CN 213866091U
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- coke oven
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Abstract
The utility model relates to a high temperature raw coke oven gas dust removal technical field, in particular to a high temperature raw coke oven gas moving particle bed dust removal device, which comprises an external heating type pulverized coal gas retort, an air duct, a cyclone dust remover, a raw coke oven gas inlet pipe and a moving particle bed dust remover, wherein the moving particle bed dust remover comprises a particle bed, a filter material cabin, an electro-hydraulic cylinder valve, a distribution cabin and a grid discharge valve, the other end of the raw coke oven gas inlet pipe is connected with the lower part of the particle bed, the filter material cabin is connected with the upper part of the particle bed, the distribution cabin is arranged below the filter material cabin, the electro-hydraulic cylinder valve is connected between the distribution cabin and the filter material cabin, the distribution cabin extends into the upper part of the particle bed, the top end of the particle bed is provided with a raw coke oven gas outlet pipe, the grid discharge valve is connected with the bottom end of the particle bed, the filter material cabin is filled with filter materials, the utility model has low manufacturing cost, reliable use, simple operation, convenient maintenance, small resistance change and no need regeneration of the filter materials, the dust removal efficiency is high, small-particle-size dust is effectively removed, and the continuous dust removal work of high-temperature raw coke oven gas is realized.
Description
Technical Field
The utility model relates to a high temperature raw coke oven gas removes dust technical field, specifically is a high temperature raw coke oven gas removes granule bed dust collector.
Background
The technology for purifying and dedusting the low-temperature dry distillation raw gas in coal becomes a bottleneck problem which restricts the dry distillation pyrolysis of low-rank coal, in particular to the pyrolysis process of low-rank pulverized coal. The raw coke oven gas generated by low-temperature pyrolysis of low-rank coal contains complex components such as dust, tar and coal gas, and the gas outlet pipeline is easily blocked, so that the production stop of the device is caused, and the technology for removing dust from the raw coke oven gas is particularly key.
In the prior art, cyclone dust removal, particle bed dust removal, ceramic filter dust removal and metal mesh filter dust removal are usually adopted for removing dust of high-temperature raw gas, but in the prior art, the use of a single dust removal device cannot meet the requirement of removing dust of high-temperature raw gas, and the use of a plurality of dust removal devices can lengthen the production line and the process flow, thereby affecting the production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature raw coke oven gas removes granule bed dust collector, the dust removal resistance change is little, and the filter material need not to be regenerated, and it is efficient that granule footpath dust is got rid of, has realized the continuous dust removal work of high temperature raw coke oven gas.
In order to solve the technical problem, the novel high-temperature raw coke oven gas movable particle bed dust removal device comprises an external heating type pulverized coal gas retort, an air duct, a cyclone dust collector and a raw coke oven gas inlet pipe, remove granule bed dust remover, the air duct is connected between external heating formula fine coal gas retort raw coke oven gas outlet and cyclone air inlet, remove granule bed dust remover including the granule bed, the filter material storehouse, electric liquid cylinder valve, divide feed bin and grid discharge valve, raw coke oven gas inlet tube one end is connected on cyclone air outlet, the raw coke oven gas inlet tube other end is connected in the granule bed lower part, the filter material storehouse is connected in the granule bed top, divide the feed bin to establish in the filter material storehouse below, electric liquid cylinder valve is connected between branch feed bin and filter material storehouse, divide the feed bin to stretch into granule bed upper portion, the granule bed top is equipped with the raw coke oven gas outlet pipe, the grid discharge valve is connected in the granule bed bottom, the filter material storehouse is interior to be born and is loaded with the filter material.
Further, the granule bed in be equipped with the subdivider, the subdivider shape is the toper lid, the subdivider is established in the subdivision storehouse below, the sharp orientation subdivider feed opening in subdivider top.
Further, divide the feed bin be equipped with two, two divide feed bin symmetries to set up, the subdivider be equipped with two, two subdividers are all established in branch feed bin below.
Furthermore, a gas distributor is arranged in the particle bed, the gas distributor is a conical cover, the gas distributor is arranged above the raw gas inlet pipe, and the gas outlet of the raw gas inlet pipe is arranged below the bottom surface of the gas distributor.
Furthermore, the filter material is upgraded coal after dry distillation.
Furthermore, the cyclone dust collector is a four-cylinder cyclone separator.
When the utility model is used, the external heating type pulverized coal gas retort generates high-temperature dust-containing crude gas, the crude gas is sent to the cyclone dust collector through the air duct to remove dust with larger particles and larger particle diameter larger than 5 mu m part, the crude gas enters the particle bed of the movable particle bed dust collector from the outlet of the cyclone dust collector through the crude gas inlet pipe to further remove dust with smaller particles, namely, the particle diameter is smaller than or equal to 5 mu m part, the filter material is discharged into the material distribution bin through the control of the electro-hydraulic roller valve in an intermittent manner, the filter material falling from the material distribution bin enters the cross section of the whole particle bed through the subdivider, the crude gas enters the particle bed through the crude gas inlet pipe, the raw gas is uniformly distributed by the gas distributor and fully contacts with the filter material, the filter material collects dust in the raw gas and then is discharged by the grid discharge valve, and the raw gas after dust removal is discharged from the raw gas outlet pipe and enters the gas-tar separation system for the next process.
The filter material in the granular bed dynamically enters the material distribution bin from the filter material bin, then enters the granular bed from the material distribution bin, and finally is discharged from the grid discharge valve, as shown by arrows in the figure, after raw coke oven gas enters the granular bed through the raw coke oven gas inlet pipe, the raw coke oven gas is uniformly distributed through the gas distributor, and is uniformly distributed in the granular bed to move from bottom to top, and the raw coke oven gas is in relatively reverse contact with the filter material, so that dust is fully removed.
The cyclone dust collector is arranged, so that the load of a single device can be effectively reduced, the cyclone dust collector and the movable particle bed dust collector operate in a combined mode, and the dust removal efficiency of the system can be greatly improved.
The filter material dynamically operates, so that the filter material in the granular bed keeps moving and updating, and the problem of filter material regeneration is avoided.
The raw gas and the filter material are in relatively reverse contact, so that the dust removal efficiency is obviously improved.
The utility model has the advantages that: comprises an external heating type pulverized coal dry distillation furnace, an air duct, a cyclone dust collector and a raw coke oven gas inlet pipe, remove granule bed dust remover, remove granule bed dust remover including the granule bed, filter material storehouse, electric liquid cylinder valve, divide feed bin and form discharge valve, the raw coke oven gas inlet tube other end is connected in the granule bed lower part, the filter material storehouse is connected in granule bed top, divide the feed bin to establish in filter material storehouse below, electric liquid cylinder valve is connected between branch feed bin and filter material storehouse, divide the feed bin to stretch into granule bed upper portion, granule bed top is equipped with the raw coke oven gas outlet pipe, the form discharge valve is connected in granule bed bottom, the filter material is held in the filter material storehouse and is equipped with the filter material, the utility model discloses low in manufacturing cost, it is reliable to use, easy operation, it is convenient to maintain, and the resistance change is little, and filter material dynamic operation does not need the regeneration, and dust collection efficiency is high, and dust removal effect is good, effectively gets rid of the getting rid of small-size dust, has realized the continuous dust removal work of high temperature raw coke oven gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the movable particle bed dust remover of the present invention.
In the figure: 1. an external heating type pulverized coal dry distillation furnace; 2. an air duct; 3. a cyclone dust collector; 4. a raw gas inlet pipe; 5. a moving particle bed dust collector; 6. a filter bin; 7. filtering the material; 8. an electro-hydraulic cylinder valve; 9. a grid discharge valve; 10. a material distributing bin; 11. a bed of particles; 12. a subdivider; 13. a gas distributor; 14. and a raw gas outlet pipe.
Detailed Description
As shown in figure 1 and figure 2, the utility model relates to a high temperature raw coke oven gas movable particle bed dust removing device, which comprises an external heating type pulverized coal gas retort 1, an air duct 2, a cyclone dust remover 3, a raw coke oven gas inlet pipe 4 and a movable particle bed dust remover 5, wherein the air duct 2 is connected between a raw coke oven gas outlet of the external heating type pulverized coal gas retort 1 and an air inlet of the cyclone dust remover 3, the movable particle bed dust remover 5 comprises a particle bed 11, a filter material bin 6, an electro-hydraulic cylinder valve 8, a material distribution bin 10 and a grid discharge valve 9, one end of the raw coke oven gas inlet pipe 4 is connected with the air outlet of the cyclone dust remover 3, the other end of the raw coke oven gas inlet pipe 4 is connected with the lower part of the particle bed 11, the filter material bin 6 is connected with the upper part of the particle bed 11, the material distribution bin 10 is arranged below the filter material bin 6, the electro-hydraulic cylinder valve 8 is connected between the material bin 10 and the filter material bin 6, the material distribution bin 10 extends into the upper part of the particle bed 11, the top of the particle bed 11 is provided with a raw coke oven gas outlet pipe 14, the grid type discharge valve 9 is connected with the bottom end of the particle bed 11, and the filter material bin 6 is internally provided with filter materials 7.
Further, the granule bed 11 in be equipped with the subdivider 12, subdivider 12 is the conical cover, and subdivider 12 is established in the branch feed bin 10 below, and the subdivider 12 top is sharp towards subdivider 12 feed opening.
Further, divide feed bin 10 to be equipped with two, two divide feed bin 10 symmetries to set up, subdivider 12 be equipped with two, two subdividers 12 are all established in branch feed bin 10 below.
Further, a gas distributor 13 is arranged in the particle bed 11, the gas distributor 13 is a conical cover, the gas distributor 13 is arranged above the raw coke oven gas inlet pipe 4, and the gas outlet of the raw coke oven gas inlet pipe 4 is arranged below the bottom surface of the gas distributor 13.
Further, the filter material 7 is upgraded coal after dry distillation.
Further, the cyclone dust collector 3 is a four-cylinder cyclone separator.
When the utility model is used, the external heating type pulverized coal gas retort 1 generates high-temperature dust-containing raw gas, the raw gas is sent to the cyclone dust collector 3 through the gas guide pipe 2 to remove dust with larger particles and larger particle diameter larger than 5 mu m, the raw gas enters the particle bed 11 of the movable particle bed dust collector 5 from the outlet of the cyclone dust collector 3 through the raw gas inlet pipe 4 to further remove dust with smaller particles, namely, the particle diameter is less than or equal to 5 mu m, the filter material 7 is fed into the material distribution bin 10 through the control interval of the electro-hydraulic cylinder valve 8, the filter material 7 falling down from the material distribution bin 10 enters the cross section of the whole particle bed 11 through the material distribution bin 12, the raw gas enters the particle bed 11 through the raw gas inlet pipe 4 and is fully contacted with the filter material 7 uniformly distributed by the gas distributor 13, the filter material 7 is discharged through the grid discharge valve 9 after collecting the dust in the raw gas, the raw gas after dust removal is discharged from the raw gas outlet pipe, entering a gas and tar separation system to carry out the next working procedure.
The filter material 7 in the particle bed 11 dynamically enters the material distribution bin 10 from the filter material bin 6, then enters the particle bed 11 from the material distribution bin 10, and finally is discharged from the grid discharge valve 9, as shown by an arrow in fig. 2, after raw coke oven gas enters the particle bed 11 through the raw coke oven gas inlet pipe 4, the raw coke oven gas is uniformly distributed through the gas distributor 13, and moves from bottom to top in the particle bed 11 in an even distribution manner, and the raw coke oven gas is in relatively reverse contact with the filter material 7, so that dust is fully removed.
In this embodiment, the cyclone 3 uses a four-cylinder cyclone, and the grid discharge valve 9 has model number DN 500-72.
The cyclone dust collector 3 is arranged, so that the load of a single device can be effectively reduced, and the cyclone dust collector 3 and the movable particle bed dust collector 5 operate in a combined mode, so that the dust removal efficiency of the system can be greatly improved.
The filter material 7 runs dynamically, so that the filter material 7 in the particle bed 11 keeps moving and updating, and the problem of regeneration of the filter material 7 is avoided.
The raw gas is in relatively reverse contact with the filter material 7, so that the dust removal efficiency is obviously improved.
Claims (6)
1. The utility model provides a high temperature raw coke oven gas removes granule bed dust collector which characterized in that: comprises an external heating type pulverized coal gas retort (1), an air duct (2), a cyclone dust collector (3), a raw gas inlet pipe (4) and a movable particle bed dust collector (5), wherein the air duct (2) is connected between a raw gas outlet of the external heating type pulverized coal gas retort (1) and an air inlet of the cyclone dust collector (3), the movable particle bed dust collector (5) comprises a particle bed (11), a filter material bin (6), an electro-hydraulic cylinder valve (8), a material distribution bin (10) and a grid discharge valve (9), one end of the raw gas inlet pipe (4) is connected to the air outlet of the cyclone dust collector (3), the other end of the raw gas inlet pipe (4) is connected to the lower part of the particle bed (11), the filter material bin (6) is connected above the particle bed (11), the material distribution bin (10) is arranged below the filter material bin (6), the electro-hydraulic cylinder valve (8) is connected between the material distribution bin (10) and the filter material bin (6), the material distributing bin (10) extends into the upper part of the particle bed (11), a raw coke oven gas outlet pipe (14) is arranged at the top end of the particle bed (11), the grid discharge valve (9) is connected to the bottom end of the particle bed (11), and the filter material bin (6) is internally provided with filter materials (7).
2. The high-temperature raw coke oven gas moving particle bed dust removing device as claimed in claim 1, which is characterized in that: granule bed (11) in be equipped with and divide ware (12), divide ware (12) shape for the conical cover, divide ware (12) to establish in minute feed bin (10) below, divide ware (12) top acutely towards divide ware (12) feed opening.
3. The high-temperature raw coke oven gas moving particle bed dust removing device as claimed in claim 2, which is characterized in that: divide feed bin (10) be equipped with two, two divide feed bin (10) symmetry settings, subdivider (12) be equipped with two, two subdividers (12) are all established in divide feed bin (10) below.
4. The high-temperature raw coke oven gas moving particle bed dust removing device as claimed in any one of claims 1 to 3, wherein: the particle bed (11) is internally provided with a gas distributor (13), the gas distributor (13) is a conical cover, the gas distributor (13) is arranged above the raw coke oven gas inlet pipe (4), and the gas outlet of the raw coke oven gas inlet pipe (4) is arranged below the bottom surface of the gas distributor (13).
5. The high-temperature raw coke oven gas moving particle bed dust removing device as claimed in any one of claims 1 to 3, wherein: the filter material (7) is upgraded coal after dry distillation.
6. The high-temperature raw coke oven gas moving particle bed dust removing device as claimed in any one of claims 1 to 3, wherein: the cyclone dust collector (3) is a four-cylinder cyclone separator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022407635.7U CN213866091U (en) | 2020-10-26 | 2020-10-26 | High-temperature raw gas movable particle bed dust removal device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022407635.7U CN213866091U (en) | 2020-10-26 | 2020-10-26 | High-temperature raw gas movable particle bed dust removal device |
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| CN213866091U true CN213866091U (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI818637B (en) * | 2022-07-22 | 2023-10-11 | 國立中央大學 | Device and controlling method for filtering gas |
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- 2020-10-26 CN CN202022407635.7U patent/CN213866091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI818637B (en) * | 2022-07-22 | 2023-10-11 | 國立中央大學 | Device and controlling method for filtering gas |
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