CN203862098U - Flue gas dust removal desulfurization system - Google Patents
Flue gas dust removal desulfurization system Download PDFInfo
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- CN203862098U CN203862098U CN201420252912.3U CN201420252912U CN203862098U CN 203862098 U CN203862098 U CN 203862098U CN 201420252912 U CN201420252912 U CN 201420252912U CN 203862098 U CN203862098 U CN 203862098U
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- absorption tower
- flue gas
- desulfurization
- tower
- flue
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Abstract
The utility model provides a flue gas dust removal desulfurization system. In the system, three layers of spraying devices are arranged in an absorption tower, a venturi tube is arranged at the front end of the absorption tower, a desulfurizer supply device is used for cleaning the flue gas containing SO2 in a spraying manner, a demist device is used for separating gas and water in the flue gas after purification, a quartz sand filtering material layer is arranged in a desulfurization subsidiary tower, a doctor solution discharged from the bottom of the absorption tower is subjected to sedimentation in a primary sedimentation pool, a lime supply device is arranged in a regeneration pool, a secondary sedimentation pool is connected with the regeneration pool; an absorption tower liquid-feeding groove is connected with the secondary sedimentation pool, and a lift pump pumps a supernatant liquid flowing out of the second sedimentation pool back to the absorption tower. The system is simple in structure, and convenient for maintenance, can reduce the operational cost when processing the flue gas, and is good in desulfurization and dust removal effects.
Description
Technical field
The utility model relates to flue gas desulfurization and dedusting technology, specifically a kind of for flue-gas dust-removing and desulfurization system coal-fired, gas fired-boiler.
Background technology
Present stage, China inevitably can produce a large amount of flue gases and dust in industrial processes, the direct discharge meeting of these dust causes severe contamination to environment, to ecological environment, cause destruction in various degree, to this, China just constantly strengthens the protection to environment, and especially the improvement of atmosphere pollution, enforces control techniques to industrial gas emission; Simultaneously, the sulfur dioxide of a large amount of discharges during burning, cause China to occur large-area acid rain, and development, Er China, the generation of acid rain is mainly caused by anthropogenic discharge's sulfur dioxide, and China is because acid rain and sulfur dioxide pollution cause the aspects such as crops, forest and health to cause huge economic loss, administer Chinese Acid Rain Pollution, will control sulfur dioxide (SO2) emissions total amount.Therefore be necessary to invent a kind of brand-new flue gas desulfurization and dedusting technology, excessive and cause discharge problem not up to standard because of intermittent discharge to solve existing flue gas desulfurization and dedusting technology floor space.
Utility model content
The utility model proposes a kind of simple in structure, easy to maintenance, operating cost while having reduced smoke treatment, and the good flue-gas dust-removing and desulfurization system of desulfurized effect, can before flue gas discharges, to flue gas, carry out dust-removal and desulfurizing, solve defect of the prior art.
The technical solution of the utility model is achieved in that
A flue-gas dust-removing and desulfurization system, is characterized in that: comprise absorption tower (1), be provided with three layers of spray equipment (2) in described absorption tower (1); Venturi tube (3), is arranged on described absorption tower (1) front end; Desulfurizing agent feedway (4), for to containing SO
2flue gas carry out spray washing; Demister (5), for carrying out gas-water separation by the flue gas after purifying; Desulfurization secondary tower (6) for discharging the flue gas after purification, is provided with quartz sand filter media layer (7) in described desulfurization secondary tower (6); Primary sedimentation basin (8), for precipitating the doctor solution of discharging at the bottom of the tower from described absorption tower (1); Regenerated reactor (9), connects described primary sedimentation basin (8), is provided with lime feedway (10) in described regenerated reactor (9); Secondary sedimentation tank (11), connects described regenerated reactor (9), for the CaSO that regenerative response is generated
3and CaSO
4deng fully, precipitate; Absorption tower, to liquid bath (12), connects described secondary sedimentation tank (11); Elevator pump (13), for absorption tower (1) described in the supernatant pumped back that will flow out from described secondary sedimentation tank (11), completes recycling of whole device.
As a kind of preferred embodiment of the present utility model, in the smoke-intake pipe road of described absorption tower (1), be also provided with dust particle concentration monitor.
The beneficial effects of the utility model are:
The utility model provides a kind of flue-gas dust-removing and desulfurization system, solve existing flue gas desulfurization and dedusting technology floor space excessive and cause discharge problem not up to standard because of intermittent discharge, and operating cost simple in structure, easy to maintenance, while having reduced smoke treatment, and desulfurization, good dedusting effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front view of a kind of flue-gas dust-removing and desulfurization system of the utility model.
In figure:
1, absorption tower; 2, spray equipment; 3, Venturi tube; 4, desulfurizing agent feedway; 5, demister; 6, desulfurization secondary tower; 7, quartz sand filter media layer 8, primary sedimentation basin; 9, regenerated reactor; 10, lime feedway; 11, secondary sedimentation tank; 12, absorption tower is to liquid bath; 13, elevator pump.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model as shown in Figure 1, a kind of flue-gas dust-removing and desulfurization system, in absorption tower 1, be provided with three layers of spray equipment 2, Venturi tube 3 is arranged on described absorption tower 1 front end, desulfurizing agent feedway 4 for to contain SO2 flue gas carry out spray washing, demister 5 is for carrying out gas-water separation by the flue gas after purifying, desulfurization secondary tower 6 is for discharging the flue gas after purification, and in described desulfurization secondary tower 6, be provided with quartz sand filter media layer 7, for the flue gas to after purifying, again filter; The doctor solution that primary sedimentation basin 8 is discharged at the bottom of by the tower from described absorption tower 1 precipitates, and is provided with lime feedway 10 in regenerated reactor 9, and secondary sedimentation tank 11 connects described regenerated reactor 9, for the CaSO that regenerative response is generated
3and CaSO
4deng fully, precipitate, absorption tower connects described secondary sedimentation tank 11 to liquid bath 12, and elevator pump 13 is by absorption tower 1 described in the supernatant pumped back flowing out from described secondary sedimentation tank 11.By the cyclic process of above-mentioned each workpiece, completed recycling of whole flue-gas dust-removing and desulfurization system.In addition, in the smoke-intake pipe road on absorption tower 1, can also be provided with dust particle concentration monitor, can export to master control set to reach the object of automatic control by digital detection signal, the work number that for example can control electrostatic precipitation case by controller again to the dust particle concentration in flue gas by dust particle concentration monitor monitors is to reach the object of Based Intelligent Control.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. a flue-gas dust-removing and desulfurization system, is characterized in that: comprise absorption tower (1), be provided with three layers of spray equipment (2) in described absorption tower (1); Venturi tube (3), is arranged on described absorption tower (1) front end; Desulfurizing agent feedway (4), for to containing SO
2flue gas carry out spray washing; Demister (5), for carrying out gas-water separation by the flue gas after purifying; Desulfurization secondary tower (6) for discharging the flue gas after purification, is provided with quartz sand filter media layer (7) in described desulfurization secondary tower (6); Primary sedimentation basin (8), for precipitating the doctor solution of discharging at the bottom of the tower from described absorption tower (1); Regenerated reactor (9), connects described primary sedimentation basin (8), is provided with lime feedway (10) in described regenerated reactor (9); Secondary sedimentation tank (11), connects described regenerated reactor (9), for the CaSO that regenerative response is generated
3and CaSO
4deng fully, precipitate; Absorption tower, to liquid bath (12), connects described secondary sedimentation tank (11); Elevator pump (13), for absorption tower (1) described in the supernatant pumped back that will flow out from described secondary sedimentation tank (11), completes recycling of whole device.
2. a kind of flue-gas dust-removing and desulfurization system according to claim 1, is characterized in that: in the smoke-intake pipe road of described absorption tower (1), be also provided with dust particle concentration monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252912.3U CN203862098U (en) | 2014-05-16 | 2014-05-16 | Flue gas dust removal desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252912.3U CN203862098U (en) | 2014-05-16 | 2014-05-16 | Flue gas dust removal desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203862098U true CN203862098U (en) | 2014-10-08 |
Family
ID=51643089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252912.3U Active CN203862098U (en) | 2014-05-16 | 2014-05-16 | Flue gas dust removal desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203862098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715022A (en) * | 2020-06-10 | 2020-09-29 | 杭州富丽达热电有限公司 | Coal-fired flue gas purification method and system applying same |
-
2014
- 2014-05-16 CN CN201420252912.3U patent/CN203862098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715022A (en) * | 2020-06-10 | 2020-09-29 | 杭州富丽达热电有限公司 | Coal-fired flue gas purification method and system applying same |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |