CN210751880U - Sludge brickmaking tail gas processing system - Google Patents
Sludge brickmaking tail gas processing system Download PDFInfo
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- CN210751880U CN210751880U CN201921386175.5U CN201921386175U CN210751880U CN 210751880 U CN210751880 U CN 210751880U CN 201921386175 U CN201921386175 U CN 201921386175U CN 210751880 U CN210751880 U CN 210751880U
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Abstract
The utility model relates to a tail gas treatment system. Aims to provide a sludge brick making tail gas treatment system; the system can effectively eliminate harmful substances in the sludge brick making tail gas, thereby realizing harmless emission. The technical scheme is as follows: the utility model provides a mud brickmaking tail gas processing system which characterized in that: the system comprises a dust removal system, a spraying system and an induced draft system which are sequentially communicated through pipelines; the dust removal system comprises a cyclone dust collector and a bag-type dust collector which are sequentially communicated through a pipeline; the spraying system comprises spraying towers which are sequentially communicated through a pipeline; a reaction stirring tank, a sedimentation tank and a circulating water tank; the induced draft system comprises an electrostatic dust collector, an induced draft fan and an exhaust funnel which are sequentially communicated through a pipeline.
Description
Technical Field
The utility model relates to a tail gas treatment system, especially a mud brickmaking tail gas treatment system.
Background
In order to realize the resource utilization of common solid wastes, a certain amount of dried sludge and coal are added when the shale brick is fired, the dried sludge can be used as a part of raw materials, and a certain amount of heat can be released in the firing process to accelerate the firing process and reduce the using amount of internal combustion coal; however, the discharged tail gas not only contains a large amount of dust, but also contains a considerable amount of secondary oxides such as carbon monoxide, nitrogen oxides, sulfur dioxide and the like, and the direct discharge into the air obviously causes environmental pollution, so the tail gas needs to be treated before being discharged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: providing a sludge brick making tail gas treatment system; the system can effectively eliminate harmful substances in the sludge brick making tail gas, thereby realizing harmless emission.
The utility model provides a technical scheme does:
the utility model provides a mud brickmaking tail gas processing system which characterized in that: the system comprises a dust removal system, a spraying system and an induced draft system which are sequentially communicated through pipelines;
the dust removal system comprises a cyclone dust collector and a bag-type dust collector which are sequentially communicated through a pipeline;
the spraying system comprises spraying towers which are sequentially communicated through a pipeline; a reaction stirring tank, a sedimentation tank and a circulating water tank;
the induced draft system comprises an electrostatic dust collector, an induced draft fan and an exhaust funnel which are sequentially communicated through a pipeline.
And a channel for conveying supernatant is also arranged between the sedimentation tank and the circulating water tank.
The reaction stirring pool is also communicated with supplementary Ca (OH)2The pipe of (1); the Ca (OH)2From Ca (OH)2The solution storage tank provides.
And the circulating water tank conveys spray water to the spray tower through an output pipe communicated with the submersible pump.
The beneficial effects of the utility model reside in that:
the utility model discloses a cyclone, sack cleaner, electrostatic precipitator remove dust, guarantee the dust removal effect to tail gas passes through harmless emission up to standard after the spraying system handles.
The utility model adopts NaOH solution as absorbent to react with carbon monoxide, nitrogen oxide, sulfur dioxide and the like in tail gas, and then reacts with Ca (OH)2Reaction and regeneration in the reaction stirring pond, supernatant fluid gets into the circulating water pond after the sediment, can not have the sediment to get into and lead to spraying system to block up the scale deposit in the spray column, avoids causing follow-up pipeline to block up and the circulating pump damages.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
1-cyclone dust collector; 2-bag dust collector; 3-a spray tower; 4-a reaction stirring tank; 5-Ca (OH))2A solution storage tank; 6-stirring the mixture; 7-a sedimentation tank; 8-circulating the water pool; 9-a submersible pump; 10-an electrostatic precipitator; 11-a draught fan; 12-exhaust funnel.
Detailed Description
The technical solution of the present invention is further described below by way of examples and with reference to the accompanying drawings.
Example 1
The sludge brick-making tail gas treatment system shown in the attached figure comprises a dust removal system, a spraying system and an induced draft system which are sequentially communicated through pipelines;
the dust removal system comprises a cyclone dust collector and a bag-type dust collector which are sequentially communicated through a pipeline;
the spraying system comprises a spraying tower, a reaction stirring tank, a sedimentation tank and a circulating water tank which are sequentially communicated through a pipeline;
the induced draft system comprises an electrostatic dust collector, an induced draft fan and an exhaust funnel which are sequentially communicated through a pipeline.
And a channel for conveying the supernatant after precipitation is also arranged between the precipitation tank and the circulating water tank.
The reaction stirring pool is also communicated with supplementary Ca (OH)2Pipe (the Ca (OH)2From Ca (OH)2The solution storage tank is provided through a pipeline); and the circulating water tank conveys spray water to the spray tower through an output pipe communicated with the submersible pump.
The working principle is as follows:
sludge brick making tail gas enters the dust removal system of the utility model through a pipeline; in the cyclone dust collector 1, the dust-containing tail gas makes a rotary motion, the dust particles are separated from the gas flow by means of centrifugal force and collected on the wall of the dust collector, and then the dust particles fall into the dust hopper by means of gravity. After the gas after preliminary dust removal enters the bag-type dust remover 2, fine dust is blocked when the gas passes through the filter material, so that the gas is purified;
then, the tail gas with the dust removed enters a spraying system; in the spray tower 3, NaOH solution flows from the top of the tower to the top down and contacts with gas flowing from the bottom up to absorb the liquid of carbon monoxide, nitrogen oxide, sulfur dioxide and other sub-oxidesDischarging from the bottom of the tower, and discharging the purified gas from the top of the tower; the sprayed liquid enters a reaction stirring pool 4 and reacts with Ca (OH)2Ca (OH) output from the solution storage tank 52The solution is mixed and stirred in a reaction stirring tank 4 through a stirrer 6 (two reaction stirring tanks which are communicated in series are visible in the figure, and a stirrer is arranged in each reaction stirring tank), and then enters a sedimentation tank 7 for sedimentation; the supernatant after precipitation enters a circulating water tank 8, NaOH and clear water are added into the circulating water tank 8 (the NaOH and the clear water are applied manually), and then the supernatant is used for spraying in a spray tower through a submersible pump 9;
the tail gas discharged from the tower top is treated by a spraying system to remove secondary oxides such as carbon monoxide, nitrogen oxides, sulfur dioxide and the like, then enters an electrostatic dust collector 10 to further remove dust in the gas, and is discharged into an exhaust funnel 12 through an induced draft fan 11 to be discharged to the height of 15 m. The discharged gas meets the standard and does not pollute the environment.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The utility model provides a mud brickmaking tail gas processing system which characterized in that: the system comprises a dust removal system, a spraying system and an induced draft system which are sequentially communicated through pipelines;
the dust removal system comprises a cyclone dust collector (1) and a bag-type dust collector (2) which are sequentially communicated through a pipeline;
the spraying system comprises a spraying tower (3), a reaction stirring tank (4), a sedimentation tank (7) and a circulating water tank (8) which are sequentially communicated through a pipeline;
the induced draft system comprises an electrostatic dust collector (10), an induced draft fan (11) and an exhaust funnel (12) which are sequentially communicated through a pipeline.
2. The sludge brick making tail gas treatment system according to claim 1, which is characterized in that: and a channel for conveying the supernatant after precipitation is also arranged between the precipitation tank and the circulating water tank.
3. The sludge brick making tail gas treatment system according to claim 2, characterized in that: the reaction stirring pool is also communicated with supplementary Ca (OH)2The pipe of (1); the Ca (OH)2From Ca (OH)2A solution storage tank (5).
4. The sludge brick-making tail gas treatment system according to claim 3, characterized in that: and the circulating water tank conveys spray water to the spray tower through an output pipe communicated with a submersible pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386175.5U CN210751880U (en) | 2019-08-23 | 2019-08-23 | Sludge brickmaking tail gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386175.5U CN210751880U (en) | 2019-08-23 | 2019-08-23 | Sludge brickmaking tail gas processing system |
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| Publication Number | Publication Date |
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| CN210751880U true CN210751880U (en) | 2020-06-16 |
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| CN201921386175.5U Active CN210751880U (en) | 2019-08-23 | 2019-08-23 | Sludge brickmaking tail gas processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354318A (en) * | 2020-11-16 | 2021-02-12 | 冯厉 | Dust remover for waste gas purification and use method thereof |
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2019
- 2019-08-23 CN CN201921386175.5U patent/CN210751880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354318A (en) * | 2020-11-16 | 2021-02-12 | 冯厉 | Dust remover for waste gas purification and use method thereof |
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