CN105664704B - Semidry flue gas desulfurization dust collector - Google Patents
Semidry flue gas desulfurization dust collector Download PDFInfo
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- CN105664704B CN105664704B CN201610220792.2A CN201610220792A CN105664704B CN 105664704 B CN105664704 B CN 105664704B CN 201610220792 A CN201610220792 A CN 201610220792A CN 105664704 B CN105664704 B CN 105664704B
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- tower
- desulfurization
- reaction tower
- desulfurization reaction
- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a semidry flue gas desulfurization and dust removal device, which comprises a desulfurization reaction tower, wherein the top of the desulfurization reaction tower is communicated with a flue gas outlet of a boiler flue gas discharge device through a pipeline, the top of the desulfurization reaction tower is also provided with a desulfurizer conveying port and a circulating ash conveying port, the middle upper part of the desulfurization reaction tower is provided with a spraying device for spraying a reaction reagent into the tower body, and a combined venturi tube is arranged in the tower body between the spraying device and the top; the bottom of the desulfurization reaction tower is provided with a desulfurization tower ash bucket system which is communicated with a circulating ash conveying port through an ash conveying pipeline; a cloth bag dust removal mechanism with a ring tower body outer wall is arranged outside the desulfurization reaction tower above the desulfurization tower ash bucket system, and an air outlet of the cloth bag dust removal mechanism is communicated with a chimney through an air outlet pipeline. The invention has simple structure, greatly reduces the equipment investment and the occupied area, reduces the energy consumption and the operating cost, and greatly improves the dust removal and desulfurization efficiency.
Description
Technical field
The present invention relates to industrial dedusting environmental protection equipment, especially a kind of flue gas desulfurization and dedusting dress based on semidry process
It sets.
Background technique
Flue gas desulfurization refer to removing industrial waste gas in oxysulfide, common fume desulphurization method be divided into wet processing,
Dry process and semidry process.At present both at home and abroad dry method, the flue-gas dust-removing and desulfurization in semidry process generally use desulfurizing tower,
Dust-removal and desulfurizing operation is completed after the connection of the equipment such as the cyclone dust removal of flue gas conditioning combined type and combined type Venturi tube, couples Structure of need
Part and pipeline are connected, and this kind of split modular structure presence has a single function, resistance is big, structure is complicated, takes up a large area, sets
The disadvantages of standby investment is big, energy consumption is high, efficiency of dust collection is low, operating cost is high.
Summary of the invention
That the technical problem to be solved by the invention is to provide a kind of occupied areas is small, low energy consumption, equipment investment is few, running cost
With low and high dust collection efficiency integrated semi-dry process flue gas desulphurization dust-extraction unit.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
The top of semi-dry process flue gas desulphurization dust-extraction unit, including desulfurization reaction tower, the desulfurization reaction tower is connected by pipeline
The exhanst gas outlet of logical boiler smoke tapping equipment, desulphurization reaction top of tower are additionally provided with desulfurizing agent delivery port and circulating ash conveying
Mouthful, the middle and upper part of desulfurization reaction tower is provided with the spraying device that reaction reagent is sprayed into tower body, is located at spraying device and top
Between tower body in be provided with combination Venturi tube；The bottom of desulfurization reaction tower is provided with desulfurizing tower ash bucket system, desulfurizing tower ash bucket
System is connected to circulating ash delivery port by ash conveying pipe；Ring tower body is provided with outside desulfurization reaction tower above desulfurizing tower ash bucket system
The bag-type dust mechanism of outer wall, the air outlet of bag-type dust mechanism are connected to chimney by wind pipe.
Above-mentioned semi-dry process flue gas desulphurization dust-extraction unit, the spraying device include two fluid sprays that desulfurization reaction tower is arranged
One end of rifle, two fluid spray rifles is connected to technique water source by pipeline, and the other end of two fluid spray rifles is connected to high by pipeline
Pressurized air source.
Above-mentioned semi-dry process flue gas desulphurization dust-extraction unit, the desulfurizing agent delivery port are connected to desulfurizing agent supply dress by pipeline
It sets, desulfurization agent feeding device includes desulfurizing agent library, library top deduster is provided at the top of desulfurizing agent library, the lower part in desulfurizing agent library is set
It is equipped with bottom storehouse ash bucket system, the discharge port of bottom storehouse ash bucket system is connected to desulfurizing agent delivery port by pipeline.
Above-mentioned semi-dry process flue gas desulphurization dust-extraction unit is additionally provided between the bag-type dust mechanism and wind pipe and passes through
The pulsation deashing device of triple valve connection, pulsation deashing device include flutter valve, pulsation blower, blower motor and draft
Pipe, the external port of pulsation valve inlet connection triple valve, flutter valve another port is connected to back suction air hose.
Due to using above technical scheme, the invention technological progress is as follows.
Flue gas desulfurization, dedusting, quenched operating equipment are arranged in a container present invention, by being arranged in the container
Multipolarization technical pattern completes desulfurization and dedusting operation, and structure is simple, and equipment investment and occupied area are all greatly decreased, and reduces
Energy consumption and operating cost, and substantially increase dedusting and desulfuration efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of spraying device of the present invention；
Fig. 3 is the structural schematic diagram of desulfurization agent feeding device of the present invention；
Fig. 4 is the structural schematic diagram of pulsation deashing device of the present invention.
Wherein: 1. boiler smoke entrances, 2. desulfurizing agent delivery ports, 3. circulating ash delivery ports, 4. combination Venturi tubes, 5. is second-rate
Spray body rifle, 6. desulfurization reaction towers, 7. desulfurizing tower ash bucket systems, 8. filter cloth bags, 9. triple valves, 10. pulsation deashing devices,
11. deduster, 14. bottom storehouse ash bucket systems, 15. desulfurizing agent entrances, 16. process waters are pushed up in wind pipe, 12. desulfurizing agent libraries, 13. libraries
Entrance, 17. high-pressure hydraulic pumps, 18. water ga(u)ges, 19. high-pressure air sources, 20. air-introduced machines, 21. chimneys, 22. pulsation blowers, 23. wind
Electromechanical machine, 24. back suction air hoses, 25. flutter valves.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in further detail.
A kind of semi-dry process flue gas desulphurization dust-extraction unit, structure as shown in Figure 1, include desulfurization reaction tower 6, spraying device,
Desulfurizing tower ash bucket system 7, bag-type dust mechanism, desulfurization agent feeding device and chimney 21.
The top of desulfurization reaction tower 6 is connected to the exhanst gas outlet of boiler smoke tapping equipment by pipeline, i.e., from the pot in Fig. 1
Boiler smoke is sent into desulphurization reaction top of tower by kiln gas entrance 1.
The top of desulfurization reaction tower 6 is provided with desulfurizing agent delivery port 2 and circulating ash delivery port 3.Desulfurizing agent delivery port 2 passes through
Pipeline is connected to desulfurization agent feeding device, for conveying desulfurizing agent into desulfurization reaction tower；Circulating ash delivery port 3 is connected to by pipeline
Desulfurizing tower ash bucket system 7, for conveying circulating ash into desulfurization reaction tower, circulating ash includes to fly with active recycling circulation
Ash and Boiler Ash.
The top of desulfurization reaction tower 6 is provided with combination Venturi tube 4, for expanding boiler smoke, desulfurizing agent, circulating ash
It is polymerize under scattered-concentration-diffusion, is carried out instead so that the mixed flue gas of polymerization uniformly enters in desulfurization reaction tower
It answers.
The middle and upper part of desulfurization reaction tower 6 is arranged in spraying device, for spraying reaction reagent into tower body.Spraying device
Structure is as shown in Fig. 2, include two fluid spray rifles 5 of setting desulfurization reaction tower 6, one end of two fluid spray rifles is connected by pipeline
Logical technique water source after technique water source is from technique water inlet 16 into pipeline, flows to the spray of two fluids under the action of high-pressure hydraulic pump 17
Mist rifle 5 is additionally provided with water ga(u)ge 18 in the technique waterpipe, for recording water flow；The other end of two fluid spray rifles is logical
Piping is connected to high-pressure air source 19.
The bottom of desulfurization reaction tower 6 is provided with desulfurizing tower ash bucket system 7, and desulfurizing tower ash bucket system 7 is connected by ash conveying pipe
Logical circulating ash delivery port 3.Desulfurizing tower ash bucket system 7 is made of ash bucket and helix transporting device, and helix transporting device sets two and goes out
Mouthful: discharge port and circulating ash delivery port, wherein circulating ash conveying is delivered to desulphurization reaction by roots blower and compressed air
The circulating ash delivery port 3 of tower.
Bag-type dust mechanism is arranged above desulfurizing tower ash bucket system 7, and is arranged around 6 outer wall of desulfurization reaction tower, is used for
The dust in flue gas is removed, the air outlet of bag-type dust mechanism is connected to chimney 21 by wind pipe 11, and wind pipe 11 is arranged
There is air-introduced machine 20.Bag-type dust mechanism is locellus, branch mailbox filter structure, and filter cloth bag 8 is provided in each chamber, filters shape
Formula is that interior filtering combines outer filtered version.
The pulsation deashing device 10 connected by triple valve 9, arteries and veins are additionally provided between bag-type dust mechanism and wind pipe
Dynamic deashing device carries out deashing processing using back suction and blowback form, pulsation deashing and circulated air purge mode.Pulsation deashing
The structure of device 10 is as shown in figure 4, include flutter valve 25, pulsation blower 22, blower motor 23 and back suction air hose 24, flutter valve
Entrance is connected to the external port of triple valve, and flutter valve another port is connected to back suction air hose.Wherein circulated air is to utilize bag-type dust machine
The positive pressure wind regime that synthermal gas is exported by air-introduced machine in the filtered clean air source of structure and dedusting mechanism room, use are such
Structure supply circulated air can be avoided flue-gas temperature it is variant caused by cloth bag condensation trouble.
Triple valve is arranged between bag-type dust mechanism and wind pipe, and the lower port of triple valve connects bag-type dust mechanism
Every chamber exhanst gas outlet, the upper port of triple valve connects wind pipe, the side ports connection pulsation valve inlet of triple valve.Threeway
Valve is made of two valves, and valve is on and off by high-pressure air source by cylinder；Deashing valve is in an open state when work, instead
Air draught tube valve is in off state；Deashing valve is in close state when deashing, and draft tube valve is in an open state, draft
It is imported by the positive pressure wind regime of air-introduced machine outlet.
In the present invention, the desulfurizing agent delivery port 2 of desulfurization reaction tower is connected to desulfurization agent feeding device by pipeline, and desulfurizing agent supplies
Structure to device is as shown in figure 3, include desulfurizing agent library 12, the top in desulfurizing agent library 12 is provided with library top deduster 13, desulfurization
The lower part in agent library 12 is provided with bottom storehouse ash bucket system 14, and the discharge port of bottom storehouse ash bucket system 14 is connected to desulfurizing agent conveying by pipeline
Mouth 2, the desulfurizing agent that desulfurizing agent library is entered from desulfurizing agent entrance is sent into desulfurization reaction tower after processing.
Process flow of the invention are as follows: the boiler smoke of the harmful substances such as dust-laden sulfur-bearing enters in desulfurization reaction tower, in tower
Top is polymerize, the mixing cigarette of polymerization after the desulfurizing agent being conveyed into tower and circulating ash mixing by combining Venturi tube
For gas even into reacting in desulfurization reaction tower, two fluid spray rifles spray atomized water into tower, atomized water and flue gas, desulfurizing agent,
With the particulate matter carrier for forming high concentration after the mixing of active circulating ash, particulate matter carrier surface area is big, gas, solid, liquid three
Between have great reactivity and reaction surface area, heat and mass is very strong, formed removal flue gas in SO2Ideal item
Part, and the reaction time by the way that desulfurization reaction tower is arranged makes desulfurization effect reach optimum discharge standard.Flue gas after desulfurization
It is dusted processing into bag-type dust mechanism, and dust is sent into desulfurizing tower ash bucket system by pulsation deashing device, is taken off
Dust stratification a part in reaction of Salmon-Saxl cobwebs and dirt under ceiling bucket system returns to desulfurization reaction tower as circulating ash, and another part is filled by helical feed
It sets and transports.
Claims (4)
1. semi-dry process flue gas desulphurization dust-extraction unit, it is characterised in that: including desulfurization reaction tower (6), the desulfurization reaction tower (6)
Top is connected to the exhanst gas outlet of boiler smoke tapping equipment by pipeline, and it is defeated to be additionally provided with desulfurizing agent at the top of desulfurization reaction tower (6)
Mouth (2) and circulating ash delivery port (3) are sent, the middle and upper part of desulfurization reaction tower (6) is provided with the spray that reaction reagent is sprayed into tower body
Mist device is provided with combination Venturi tube (4) in the tower body between spraying device and top；The bottom of desulfurization reaction tower (6)
It is provided with desulfurizing tower ash bucket system (7), desulfurizing tower ash bucket system (7) is connected to circulating ash delivery port (3) by ash conveying pipe；Desulfurization
The bag-type dust mechanism of ring tower body outer wall, bag-type dust mechanism are provided with outside desulfurization reaction tower (6) above cobwebs and dirt under ceiling bucket system (7)
Air outlet by wind pipe (11) connection chimney (21).
2. semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that: the spraying device includes setting
Two fluid spray rifles (5) of desulfurization reaction tower (6) are set, one end of two fluid spray rifles is connected to technique water source by pipeline, second-rate
The other end of spray body rifle is connected to high-pressure air source (19) by pipeline.
3. semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that: the desulfurizing agent delivery port
(2) desulfurization agent feeding device is connected to by pipeline, desulfurization agent feeding device includes desulfurizing agent library (12), the top of desulfurizing agent library (12)
Portion is provided with library top deduster (13), and the lower part of desulfurizing agent library (12) is provided with bottom storehouse ash bucket system (14), bottom storehouse ash bucket system
(14) discharge port is connected to desulfurizing agent delivery port (2) by pipeline.
4. semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that: the bag-type dust mechanism with
The pulsation deashing device (10) connected by triple valve (9) is additionally provided between wind pipe, pulsation deashing device (10) includes
Flutter valve (25), pulsation blower (22), blower motor (23) and back suction air hose (24), pulsation valve inlet are connected to the outer of triple valve
Port, flutter valve another port are connected to back suction air hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220792.2A CN105664704B (en) | 2016-04-11 | 2016-04-11 | Semidry flue gas desulfurization dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220792.2A CN105664704B (en) | 2016-04-11 | 2016-04-11 | Semidry flue gas desulfurization dust collector |
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| Publication Number | Publication Date |
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| CN105664704A CN105664704A (en) | 2016-06-15 |
| CN105664704B true CN105664704B (en) | 2019-02-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731286A (en) * | 2016-11-23 | 2017-05-31 | 无锡市国松环保机械有限公司 | Integration dust-removing desulphurization system |
| CN109200794A (en) * | 2018-11-12 | 2019-01-15 | 中泽银海（北京）环境工程有限公司 | A kind of aluminium electroloysis overhaul slag harmlessness semidry method flue gas processing device and method |
| CN112426855A (en) * | 2020-10-20 | 2021-03-02 | 山东神华山大能源环境有限公司 | Circulating fluidized bed semi-dry desulfurization dust pelletizing system |
| CN112221340B (en) * | 2020-10-20 | 2021-09-14 | 威海市正大环保设备股份有限公司 | Integrated method for desulfurizing and dedusting by humidifying circulation semidry method outside tower |
| CN114011222B (en) * | 2021-11-01 | 2025-01-07 | 施磊 | Cement rotary kiln flue gas purification device integrating desulfurization, dust removal and denitrification |
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| JP2000107540A (en) * | 1998-10-05 | 2000-04-18 | Wave:Kk | Waste gas treatment system |
| CN201220149Y (en) * | 2008-07-09 | 2009-04-15 | 施志鸣 | Quenching and tempering, desulfurizing and dedusting integrated device for kiln flue gas |
| CN101628201A (en) * | 2009-08-19 | 2010-01-20 | 福建龙净脱硫脱硝工程有限公司 | Clearing device for smoke pollutants of glass kiln and clearing method thereof |
| CN201978669U (en) * | 2011-01-27 | 2011-09-21 | 北京中航天业科技有限公司 | Dual-spray-gun flue gas desulfurization device for circulating fluidized bed |
| CN205570083U (en) * | 2016-04-11 | 2016-09-14 | 施磊 | Semidry flue gas desulphurization dust collector |
-
2016
- 2016-04-11 CN CN201610220792.2A patent/CN105664704B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000107540A (en) * | 1998-10-05 | 2000-04-18 | Wave:Kk | Waste gas treatment system |
| CN201220149Y (en) * | 2008-07-09 | 2009-04-15 | 施志鸣 | Quenching and tempering, desulfurizing and dedusting integrated device for kiln flue gas |
| CN101628201A (en) * | 2009-08-19 | 2010-01-20 | 福建龙净脱硫脱硝工程有限公司 | Clearing device for smoke pollutants of glass kiln and clearing method thereof |
| CN201978669U (en) * | 2011-01-27 | 2011-09-21 | 北京中航天业科技有限公司 | Dual-spray-gun flue gas desulfurization device for circulating fluidized bed |
| CN205570083U (en) * | 2016-04-11 | 2016-09-14 | 施磊 | Semidry flue gas desulphurization dust collector |
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| CN105664704A (en) | 2016-06-15 |
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Effective date of registration: 20220525 Address after: Room 806, United finance building, No. 8, financial 8th Street, economic development zone, Wuxi, Jiangsu 214000 Patentee after: Jiangsu xilanke Environmental Engineering Technology Co.,Ltd. Address before: No. 131, zhoutangli, mojiazhuang village, Guangyi street, Liangxi District, Wuxi City, Jiangsu Province, 214011 Patentee before: Shi Lei |
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