CN215654639U - Flue gas desulfurization and purification system - Google Patents
Flue gas desulfurization and purification system Download PDFInfo
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- CN215654639U CN215654639U CN202022980305.7U CN202022980305U CN215654639U CN 215654639 U CN215654639 U CN 215654639U CN 202022980305 U CN202022980305 U CN 202022980305U CN 215654639 U CN215654639 U CN 215654639U
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Abstract
The utility model relates to a flue gas desulfurization purification system, which comprises an absorption tower and a bag-type dust remover, wherein a flue gas outlet pipeline of the absorption tower is connected with the bag-type dust remover, a plurality of layers of desulfurizer spray heads are arranged above a flue gas inlet pipeline of the absorption tower, a flue gas uniform-distribution device is arranged above the desulfurizer spray heads, the flue gas uniform-distribution device comprises a fixed plate and a gas-liquid separation assembly, a plurality of gas-liquid separation assemblies are uniformly distributed on the fixed plate, each gas-liquid separation assembly comprises a feeding pore channel, a gas-liquid separation sleeve and an isolation sleeve, the gas-liquid separation sleeve is arranged on the outer side of the feeding pore channel, and the isolation sleeve is sleeved on the outer side of the gas-liquid separation sleeve. The flue gas uniform distribution device provided by the utility model can be used for carrying out gas-liquid separation on the treated flue gas, recovering the desulfurizer, and simultaneously playing a role in uniformly distributing the flue gas, thereby improving the desulfurization effect.
Description
Technical Field
The utility model belongs to the technical field of flue gas treatment devices, and particularly relates to a flue gas desulfurization purification system.
Background
Flue gas desulfurization is an effective desulfurization method applied in large scale in industrial industry. The desulfurization technology can be classified into a dry method, a semi-dry method and a wet method according to the forms of the sulfide absorbent and the by-products. The wet flue gas desulfurization adopts a gas-liquid reaction of a liquid absorbent under an ionic condition to further remove SO in the flue gas2The system has stable and reliable operation and high desulfurization efficiency.
The moisture content in the discharged flue gas of wet flue gas desulfurization is high, and the desulfurizer has serious corrosivity to the exhaust pipe, and the flue gas needs to be subjected to gas-liquid separation in time in the desulfurization treatment process, so that the corrosive damage to the rear flue is reduced. In order to enhance the desulfurization effect, the flue gas needs to be subjected to uniform gas treatment, so that the flue gas is ensured to be fully contacted with a desulfurizing agent, and the desulfurization efficiency is improved.
Disclosure of Invention
The utility model aims to solve the problems and provides a flue gas desulfurization and purification system which has good flue gas dehumidification effect and good desulfurization and purification effect.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the flue gas desulfurization purification system comprises an absorption tower and a bag-type dust remover, wherein a flue gas outlet pipeline of the absorption tower is connected with the bag-type dust remover, a plurality of layers of desulfurizer spray heads are arranged above a flue gas inlet pipeline of the absorption tower, and a flue gas uniform-distribution device is arranged above the desulfurizer spray heads.
The optimization is that the upper part of the feeding pore channel is a cylindrical sleeve, and the lower part of the feeding pore channel is a conical sleeve.
The utility model has the beneficial effects that:
(1) the absorption tower is provided with a plurality of layers of desulfurizer spray heads above a smoke inlet pipeline, a smoke uniform distribution device is arranged above the desulfurizer spray heads, the smoke collides with the desulfurizer reversely, the desulfurizer fully absorbs sulfides in the smoke, the smoke uniform distribution device performs gas-liquid separation on the treated smoke, the desulfurizer is recycled, and meanwhile, the smoke is uniformly distributed, so that the desulfurization effect is improved.
(2) The gas-liquid separation assembly comprises a feeding hole channel, a gas-liquid separation sleeve and an isolation sleeve, wherein the gas-liquid separation sleeve is in a ring shape formed by obliquely arranging and surrounding a plurality of grid plates, flue gas enters the gas-liquid separation sleeve from the feeding hole channel and collides with the grid plates, the flue gas is subjected to gas-liquid separation in the gas-liquid separation sleeve, the flue gas enters the isolation sleeve from gaps of the grid plates, the flue gas is discharged from an upper opening of the isolation sleeve, and a desulfurizer forms a liquid level above a fixed plate and overflows from the feeding hole channel to enter a recovery hopper at the bottom of the absorption tower.
(3) The outer side of the gas-liquid separation sleeve is sleeved with a separation sleeve, the separation sleeve has a gas homogenizing effect on the flue gas, and the separation sleeve has a separation effect on the flue gas discharged by each gas-liquid separation assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a flue gas desulfurization purification system according to the prior art;
FIG. 2 is a schematic structural view of a flue gas homogenizing device according to the present invention;
FIG. 3 is a schematic view of the structure of the gas-liquid separation jacket according to the present invention.
Reference numerals: the device comprises an absorption tower-1, a bag-type dust collector-2, a smoke outlet pipeline-11, a smoke inlet pipeline-12, a desulfurizer spray head-13, a smoke cloth homogenizing device-14, a fixing plate-141, a gas-liquid separation component-142, a feeding pore channel-1421, a gas-liquid separation sleeve-1422, an isolation sleeve-1423 and a sealing cover-1424.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention and to clearly and unequivocally define the scope of the present invention.
The flue gas desulfurization and purification system comprises an absorption tower 1 and a bag-type dust collector 2, wherein a flue gas outlet pipeline 11 of the absorption tower 1 is connected with the bag-type dust collector 2, a plurality of layers of desulfurizer spray heads 13 are arranged above a flue gas inlet pipeline 12 of the absorption tower 1, a flue gas cloth homogenizing device 14 is arranged above the desulfurizer spray heads 13, the flue gas cloth homogenizing device 14 comprises a fixing plate 141 and a gas-liquid separation assembly 142, a plurality of gas-liquid separation assemblies 142 are uniformly distributed on the fixing plate 141, the gas-liquid separation assembly 142 comprises a feeding hole 1421, a gas-liquid separation sleeve 1422 and a separation sleeve 1423, the feeding hole 1421 penetrates through the fixing plate 141, the gas-liquid separation sleeve 1422 is arranged outside the feeding hole 1421, the separation sleeve 1423 is sleeved outside the gas-liquid separation sleeve 1422, the gas-liquid separation sleeve 1422 is in a ring shape formed by obliquely arranging and surrounding a plurality of grid plates, and a sealing cover 1424 is arranged at the top of the gas-liquid separation sleeve 1422.
Preferably, the upper portion of the feeding hole 1421 is a cylindrical sleeve, and the lower portion is a conical sleeve.
The structure of the flue gas desulfurization purification system according to the present embodiment is explained as follows.
Referring to the attached figure 1 of the specification, the flue gas desulfurization purification system comprises an absorption tower 1 and a bag-type dust collector 2, wherein a flue gas outlet pipeline 11 of the absorption tower 1 is connected with the bag-type dust collector 2, a plurality of layers of desulfurizer nozzles 13 are arranged above a flue gas inlet pipeline 12 of the absorption tower 1, and a flue gas uniform-distribution device 14 is arranged above the desulfurizer nozzles 13. The flue gas collides with the desulfurizer reversely, the desulfurizer fully absorbs sulfides in the flue gas, the flue gas uniform distribution device performs gas-liquid separation on the treated flue gas, the desulfurizer is recovered, and the flue gas is uniformly distributed.
Referring to the description and fig. 2, the flue gas distribution device 14 includes a fixing plate 141 and a gas-liquid separation assembly 142, and a plurality of gas-liquid separation assemblies 142 are uniformly distributed on the fixing plate 141. The gas-liquid separation assembly 142 comprises a feeding channel 1421, a gas-liquid separation sleeve 1422 and a separation sleeve 1423, wherein the feeding channel 1421 penetrates through the fixing plate 141, the gas-liquid separation sleeve 1422 is arranged on the outer side of the feeding channel 1421, the separation sleeve 1423 is sleeved on the outer side of the gas-liquid separation sleeve 1422, the separation sleeve has a gas homogenizing effect on flue gas, and the separation sleeve has a separation effect on the flue gas discharged by each gas-liquid separation assembly.
Referring to fig. 3 of the specification, the gas-liquid separation sleeve 1422 is formed in a ring shape by obliquely arranging and surrounding a plurality of grid plates, and a sealing cover 1424 is provided on the top of the gas-liquid separation sleeve 1422. The flue gas enters the gas-liquid separation sleeve from the feeding hole, collides with the grid plate, is subjected to gas-liquid separation in the gas-liquid separation sleeve, enters the isolation sleeve from a gap of the grid plate, is discharged from an upper opening of the isolation sleeve, forms a liquid level above the fixed plate, and overflows from the feeding hole to enter a recovery hopper at the bottom of the absorption tower.
Referring to the description and the accompanying fig. 2, it is preferable that the upper portion of the feeding port 1421 is a cylindrical sleeve, and the lower portion is a conical sleeve. The flue gas enters the gas-liquid separation sleeve 1422 from the feeding channel 1421, and the flue gas enters the gas-liquid separation sleeve 1422 from the lower part and the upper part of the feeding channel, so that a venturi effect is formed, the flue gas entering the feeding channel is accelerated, and the flue gas treatment benefit is accelerated.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, that the preferred embodiments of the present invention are described above and the present invention is not limited to the preferred embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the present invention and these changes and modifications are within the scope of the utility model as claimed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The flue gas desulfurization purification system comprises an absorption tower and a bag-type dust remover, wherein a flue gas outlet pipeline of the absorption tower is connected with the bag-type dust remover, a plurality of layers of desulfurizer spray heads are arranged above a flue gas inlet pipeline of the absorption tower, and a flue gas uniform-distribution device is arranged above the desulfurizer spray heads.
2. The flue gas desulfurization purification system according to claim 1, wherein the upper portion of the feeding duct is a cylindrical sleeve, and the lower portion of the feeding duct is a conical sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022980305.7U CN215654639U (en) | 2020-12-14 | 2020-12-14 | Flue gas desulfurization and purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022980305.7U CN215654639U (en) | 2020-12-14 | 2020-12-14 | Flue gas desulfurization and purification system |
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| Publication Number | Publication Date |
|---|---|
| CN215654639U true CN215654639U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022980305.7U Active CN215654639U (en) | 2020-12-14 | 2020-12-14 | Flue gas desulfurization and purification system |
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| CN (1) | CN215654639U (en) |
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2020
- 2020-12-14 CN CN202022980305.7U patent/CN215654639U/en active Active
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