CN201744300U - Dry flue gas desulfurization system - Google Patents
Dry flue gas desulfurization system Download PDFInfo
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- CN201744300U CN201744300U CN2010200103490U CN201020010349U CN201744300U CN 201744300 U CN201744300 U CN 201744300U CN 2010200103490 U CN2010200103490 U CN 2010200103490U CN 201020010349 U CN201020010349 U CN 201020010349U CN 201744300 U CN201744300 U CN 201744300U
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Abstract
The utility model relates to a dry flue gas desulfurization system which is particularly connected between a flue gas pipeline and a chimney (7) of a sintering machine, and comprises a pre-dust remover (1), a reaction tower (3) and an induced draft fan (5), wherein the pre-dust remover (1), the reaction tower (3) and the induced draft fan (5) are sequentially arranged between the flue gas pipeline and the chimney (7) of the sintering machine; and the pre-dust remover (1) is a low-pressure anti-condensation dust remover particularly. The dry flue gas desulfurization system can solve the problems of corrosion and scaling of a desulfurization device of the sintering machine in the steel industry, and has the following characteristics: the dry flue gas desulfurization system has simple equipment, no corrosion and low investment; small amount of water is used and the emission of waste water is avoided due to a precise water control system; the whole set of the device is convenient to maintain and overhaul, easy to operate and control and low in operation cost; the reaction efficiency is higher and bed collapse is avoided due to a unique absorbent adding device; the material conveying is smoother due to a dust-removing integrated circulating ash hopper; and the operation of the whole desulfurization system is more stable by the flue gas reflux control.
Description
Technical field
The present invention relates to the dry flue gas desulphurization technological sciences, provide a kind of environment-friendly disposal system that is applicable to the gas cleaning of sintering machine afterbody especially: the dry flue gas desulphurization system.
Background technology
In recent years, along with the development of six big highly energy-consuming industries such as the electric power that accounts for national industrial energy consumption and sulfur dioxide (SO2) emissions nearly 70%, iron and steel, coloured, building materials, PETROLEUM PROCESSING, chemical industry, energy-saving and emission-reduction have become the emphasis of current macro adjustments and controls.Wherein the flue gas of sintering machine in the steel industry is also extremely urgent, and the wet process of FGD technology is big because of its investment, operating cost is high and problems such as burn into fouling, obstruction, influenced its application in steel industry, therefore seeking a kind ofly has that medium desulfuration efficiency, investment and running cost are lower, the technology of no corrosion and scaling, to alleviate the tremendous economic pressure that desulfurization brings, this process receives publicity now.Sintering machine dry flue gas desulphurization technology produces under a kind of like this background condition, and the device that a cover is convenient to industrial operation maintenance becomes the bottleneck that restricts this technological development.
Summary of the invention
The purpose of patent of the present invention is exactly technical problem and the defective that exists at the sintering machine dry method flue gas desulfur device, actual conditions in conjunction with China, design provides dry method flue gas desulfur device, by this covering device sulfur dioxide and absorbent is mixed fully fully, reaches the purpose of safe and stable operation.This covering device not only has stronger blended absorbent effect, and can not bring the hidden danger of equipment corrosion fouling.
The utility model provides a kind of dry flue gas desulphurization system, and described device is connected between sintering device flue gas pipeline and the chimney 7; It is characterized in that: include pre-duster 1, reaction tower 3, air-introduced machine 5 in the described dry flue gas desulphurization system; Wherein: described pre-duster 1, reaction tower 3, air-introduced machine 5 are arranged between sintering device flue gas pipeline and the chimney 7 successively;
Described pre-duster 1 is specially the low pressure resistive connection and reveals deduster, and described reaction tower 3 specifically carries out absorption cleaning to sulfur in smoke.
Dry flue gas desulphurization described in the utility model system, also claimed following preferred content:
Also include the absorbent preparation system that is connected on the reaction tower 3 in the described dry flue gas desulphurization system; Described absorbent preparation system specifically includes: quick lime warehouse 12, limeslaker 14, white lime warehouse 15; Wherein: drawing near on the pipeline that is connected to reaction tower 3 is respectively arranged with quick lime warehouse 12, limeslaker 14, white lime warehouse 15.
Also include the fresh water (FW) system that is connected on the reaction tower 3 in the described dry flue gas desulphurization system; Described fresh water (FW) system specifically includes: technology water tank 18, technology water pump 19; Described technology water pump 19 is arranged on the hydraulic pipeline between technology water tank 18 and the reaction tower 3.
Also include in the described dry flue gas desulphurization system: former gas baffle door 2, former flue 21, clean flue 22, clean gas baffle door 6, exhanst gas outlet pipeline 23; Wherein following structure is linked in sequence respectively according to sequencing: pre-duster 1, former gas baffle door 2, former flue 21, reaction tower 3; Pre-duster 1, dedusting integral type circulation ash bucket, reaction tower 3, deduster 4, air-introduced machine 5, clean flue 22, clean gas baffle door 6, exhanst gas outlet pipeline 23, chimney 7; Bypass flue 24, by-pass damper door 8, exhanst gas outlet pipeline 23, chimney 7.
The flue gas that comes out from sintering machine is at first through pre-duster 1 dedusting, enter reaction tower 3 through former gas baffle door 2 by former flue 21 then, in reaction tower 3, sulfur in smoke with take place fully to mix and complete reaction from the absorbent of white lime warehouse 15 with from the WATER AS FLOW MEDIUM of technology water tank 18, thereby slough sulfur in smoke.
And unreacted absorbent white lime reveals pre-duster 1 filtration by the low pressure resistive connection, returns reaction tower 3 through dedusting integral type circulation ash bucket again and reacts.Reacted gas then enters deduster 4 and removes the solid particle that carries because of reaction, and the clean flue gas after the processing enters chimney 7 and enters atmosphere by air-introduced machine 5, clean flue 22, clean gas baffle door 6, exhanst gas outlet pipeline 23 again.
If accident or maintenance appear in flue gas desulfurization purification system, flue gas can enter atmosphere by the in line chimney 7 of flue gas accident passage that is made of bypass flue 24, by-pass damper door 8, exhanst gas outlet pipeline 23, can not influence the normal operation of sintering machine.
Basic design of the present utility model is, the flue gas that comes out from sintering machine at first carries out preliminary treatment through low pressure resistive connection dew deduster, enter reaction tower through former gas baffle door, former flue gas flue then, in tower, finish the absorption cleaning of sulfur dioxide, then enter deduster and carry out dedusting, enter chimney by air-introduced machine 5, clean flue gas flue, clean gas baffle door again.
Material circulating system is by being quicklime slaking white lime, then white lime sent to reaction tower and entered sulfur dioxide in the tower and fully react and carry out flue gas desulfurization.Unreacted white lime reveals deduster by the low pressure resistive connection and filters, and returns reaction tower through dedusting integral type circulation ash bucket again and reacts.The accessory substance that generates then is transported to the accessory substance warehouse.
The utility model has solved steel industry sintering machine desulfuration corrosion of equipment scale problems, and has following characteristics: 1) equipment is simple and do not have a corrosion, reduced investment; 2) accurate water control system makes water consumption few, non-wastewater discharge; 3) package unit is convenient to safeguard and maintenance, easy operating control, and operating cost is low; 4) Du Te absorbent adding apparatus makes reaction efficiency higher, and bed does not collapse; 5) dedusting integral type circulation ash bucket makes mass transport more unimpeded; 6) it is more stable that smoke backflow control makes whole desulphurization system operation.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is a sintering machine dry flue gas desulphurization system principle of compositionality schematic diagram.
The specific embodiment
Each Reference numeral implication is as follows:
Pre-duster 1, former gas baffle door 2, reaction tower 3, deduster 4, air-introduced machine 5, clean gas baffle door 6, chimney 7, by-pass damper door 8, backflow gas baffle door 9, accessory substance warehouse 10, quick lime tank car 11, quick lime warehouse 12, Weighing feeder 13, limeslaker 14, white lime warehouse 15, fresh water (FW) 16, digestion process water pump 17, technology water tank 18, technology water pump 19, smoke inlet pipeline 20, former flue 21, clean flue 22, exhanst gas outlet pipeline 23, bypass flue 24, backflow flue 25, accessory substance conveyance conduit 26, accessory substance tank car 27
Embodiment 1
A kind of dry flue gas desulphurization system, its structure theory of constitution as shown in Figure 1.Described device is connected between sintering device flue gas pipeline and the chimney 7; Include pre-duster 1, reaction tower 3, air-introduced machine 5 in the described dry flue gas desulphurization system; Wherein: described pre-duster 1, reaction tower 3, air-introduced machine 5 are arranged between sintering device flue gas pipeline and the chimney 7 successively;
Described pre-duster 1 is specially the low pressure resistive connection and reveals deduster, and described reaction tower 3 specifically carries out absorption cleaning to sulfur in smoke.
Also include the absorbent preparation system that is connected on the reaction tower 3 in the described dry flue gas desulphurization system; Described absorbent preparation system specifically includes: quick lime warehouse 12, limeslaker 14, white lime warehouse 15; Wherein: drawing near on the pipeline that is connected to reaction tower 3 is respectively arranged with quick lime warehouse 12, limeslaker 14, white lime warehouse 15.
Also include the fresh water (FW) system that is connected on the reaction tower 3 in the described dry flue gas desulphurization system; Described fresh water (FW) system specifically includes: technology water tank 18, technology water pump 19; Described technology water pump 19 is arranged on the hydraulic pipeline between technology water tank 18 and the reaction tower 3.
Also include in the described dry flue gas desulphurization system: former gas baffle door 2, former flue 21, clean flue 22, clean gas baffle door 6, exhanst gas outlet pipeline 23; Wherein:
The flue gas that comes out from sintering machine is at first through pre-duster 1 dedusting, enter reaction tower 3 through former gas baffle door 2 by former flue 21 then, in reaction tower 3, sulfur in smoke with take place fully to mix and complete reaction from the absorbent of white lime warehouse 15 with from the WATER AS FLOW MEDIUM of technology water tank 18, thereby slough sulfur in smoke.
And unreacted absorbent white lime reveals pre-duster 1 filtration by the low pressure resistive connection, returns reaction tower 3 through dedusting integral type circulation ash bucket again and reacts.Reacted gas then enters deduster 4 and removes the solid particle that carries because of reaction, and the clean flue gas after the processing enters chimney 7 and enters atmosphere by air-introduced machine 5, clean flue 22, clean gas baffle door 6, exhanst gas outlet pipeline 23 again.
If accident or maintenance appear in flue gas desulfurization purification system, flue gas can enter atmosphere by the in line chimney 7 of flue gas accident passage that is made of bypass flue 24, by-pass damper door 8, exhanst gas outlet pipeline 23, can not influence the normal operation of sintering machine.
The basic design of present embodiment is, the flue gas that comes out from sintering machine at first carries out preliminary treatment through low pressure resistive connection dew deduster, enter reaction tower through former gas baffle door, former flue gas flue then, in tower, finish the absorption cleaning of sulfur dioxide, then enter deduster and carry out dedusting, enter chimney by air-introduced machine 5, clean flue gas flue, clean gas baffle door again.
Material circulating system is by being quicklime slaking white lime, then white lime sent to reaction tower and entered sulfur dioxide in the tower and fully react and carry out flue gas desulfurization.Unreacted white lime reveals deduster by the low pressure resistive connection and filters, and returns reaction tower through dedusting integral type circulation ash bucket again and reacts.The accessory substance that generates then is transported to the accessory substance warehouse.
Present embodiment has solved steel industry sintering machine desulfuration corrosion of equipment scale problems, and has following characteristics: 1) equipment is simple and do not have a corrosion, reduced investment; 2) accurate water control system makes water consumption few, non-wastewater discharge; 3) package unit is convenient to safeguard and maintenance, easy operating control, and operating cost is low; 4) Du Te absorbent adding apparatus makes reaction efficiency higher, and bed does not collapse; 5) dedusting integral type circulation ash bucket makes mass transport more unimpeded; 6) it is more stable that smoke backflow control makes whole desulphurization system operation.
Embodiment 2
The dry flue gas desulphurization system: its concrete structure can be understood with reference to accompanying drawing 1; Its main part comprises: the exhaust gases passes that smoke inlet pipeline (20), former gas baffle door (2), former flue (21), reaction tower (3), deduster (4), air-introduced machine (5), clean flue (22), clean gas baffle door (6), exhanst gas outlet pipeline (23), chimney (7) constitute; Flue gas accident passage by bypass flue (24), by-pass damper door (8) formation; Smoke backflow passage by backflow flue (25), backflow gas baffle door (9) formation; Absorbent preparation system by quick lime tank car (11), quick lime warehouse (12), Weighing feeder (13), limeslaker (14), white lime warehouse (15) formation; Fresh water (FW) system by fresh water (FW) (16), technology water tank (18), digestion process water pump (17), technology water pump (19) formation; Accessory substance induction system by accessory substance conveyance conduit (26), accessory substance warehouse (10), accessory substance tank car (27) formation.
The course of work is as follows: the flue gas that comes out from sintering machine is at first through pre-duster (1) dedusting, enter reaction tower (3) through former gas baffle door (2) by former flue (21) then, in reaction tower (3), sulfur in smoke with take place fully to mix and complete reaction from the absorbent of white lime warehouse (15) with from the WATER AS FLOW MEDIUM of technology water tank (18), thereby slough sulfur in smoke.And unreacted absorbent white lime reveals pre-duster (1) filtration by the low pressure resistive connection, returns reaction tower (3) through dedusting integral type circulation ash bucket again and reacts.Reacted gas then enters deduster (4) and removes the solid particle that carries because of reaction, and the clean flue gas after the processing enters chimney (7) and enters atmosphere by air-introduced machine (5), clean flue (22), clean gas baffle door (6), exhanst gas outlet pipeline (23) again.
If accident or maintenance appear in flue gas desulfurization purification system, flue gas can enter atmosphere by the in line chimney of flue gas accident passage (7) that is made of bypass flue (24), by-pass damper door (8), exhanst gas outlet pipeline (23), can not influence the normal operation of sintering machine.
Claims (4)
1. dry flue gas desulphurization system, described device is connected between sintering device flue gas pipeline and the chimney (7); It is characterized in that: include pre-duster (1), reaction tower (3), air-introduced machine (5) in the described dry flue gas desulphurization system; Wherein: described pre-duster (1), reaction tower (3), air-introduced machine (5) are arranged between sintering device flue gas pipeline and the chimney (7) successively;
Described pre-duster (1) is specially the low pressure resistive connection and reveals deduster, and described reaction tower (3) specifically carries out absorption cleaning to sulfur in smoke.
2. according to the described dry flue gas desulphurization of claim 1 system, it is characterized in that: also include the absorbent preparation system that is connected on the reaction tower (3) in the described dry flue gas desulphurization system; Described absorbent preparation system specifically includes: quick lime warehouse (12), limeslaker (14), white lime warehouse (15); Wherein: drawing near on the pipeline that is connected to reaction tower (3) is respectively arranged with quick lime warehouse (12), limeslaker (14), white lime warehouse (15).
3. according to the described dry flue gas desulphurization of claim 1 system, it is characterized in that: also include the fresh water (FW) system that is connected on the reaction tower (3) in the described dry flue gas desulphurization system; Described fresh water (FW) system specifically includes: technology water tank (18), technology water pump (19); Described technology water pump (19) is arranged on the hydraulic pipeline between technology water tank (18) and the reaction tower (3).
4. according to claim 1 or 2 or 3 described dry flue gas desulphurization systems, it is characterized in that: also include in the described dry flue gas desulphurization system: former gas baffle door (2), former flue (21), clean flue (22), clean gas baffle door (6), exhanst gas outlet pipeline (23); Wherein following structure is linked in sequence respectively according to sequencing:
Pre-duster (1), former gas baffle door (2), former flue (21), reaction tower (3);
Pre-duster (1), dedusting integral type circulation ash bucket, reaction tower (3), deduster (4), air-introduced machine (5), clean flue (22), clean gas baffle door (6), exhanst gas outlet pipeline (23), chimney (7);
Bypass flue (24), by-pass damper door (8), exhanst gas outlet pipeline (23), chimney (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200103490U CN201744300U (en) | 2010-01-20 | 2010-01-20 | Dry flue gas desulfurization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200103490U CN201744300U (en) | 2010-01-20 | 2010-01-20 | Dry flue gas desulfurization system |
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| CN201744300U true CN201744300U (en) | 2011-02-16 |
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| CN2010200103490U Expired - Fee Related CN201744300U (en) | 2010-01-20 | 2010-01-20 | Dry flue gas desulfurization system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125798A (en) * | 2011-02-21 | 2011-07-20 | 安徽金森源环保工程有限公司 | Dry numerical control circulating vulcanization desulfurization device |
| CN102363095A (en) * | 2011-09-16 | 2012-02-29 | 莫沙纱 | Dry flue gas desulfurization process method and dry flue gas desulfurization system thereof |
| CN107008141A (en) * | 2017-06-12 | 2017-08-04 | 北京中海威环保科技有限公司 | Desulfurization defluorinate device is devoked suitable for the dry method dust of aluminum i ndustry |
| CN107398136A (en) * | 2017-07-14 | 2017-11-28 | 东台火电环保科技有限公司 | Fume environment protection electronic lock |
-
2010
- 2010-01-20 CN CN2010200103490U patent/CN201744300U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125798A (en) * | 2011-02-21 | 2011-07-20 | 安徽金森源环保工程有限公司 | Dry numerical control circulating vulcanization desulfurization device |
| CN102363095A (en) * | 2011-09-16 | 2012-02-29 | 莫沙纱 | Dry flue gas desulfurization process method and dry flue gas desulfurization system thereof |
| CN107008141A (en) * | 2017-06-12 | 2017-08-04 | 北京中海威环保科技有限公司 | Desulfurization defluorinate device is devoked suitable for the dry method dust of aluminum i ndustry |
| CN107398136A (en) * | 2017-07-14 | 2017-11-28 | 东台火电环保科技有限公司 | Fume environment protection electronic lock |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20150120 |
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| EXPY | Termination of patent right or utility model |