CN204911226U - Circulating fluidized bed dry process gas cleaning system - Google Patents
Circulating fluidized bed dry process gas cleaning system Download PDFInfo
- Publication number
- CN204911226U CN204911226U CN201520669892.4U CN201520669892U CN204911226U CN 204911226 U CN204911226 U CN 204911226U CN 201520669892 U CN201520669892 U CN 201520669892U CN 204911226 U CN204911226 U CN 204911226U
- Authority
- CN
- China
- Prior art keywords
- fluidized bed
- air
- flue gas
- linked together
- absorption tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a circulating fluidized bed dry process gas cleaning system, the pan feeding mouth of giving birth to the lime digestion device is linked together with the quick lime storehouse, and the delivery port and the water inlet of giving birth to the lime digestion device of technology water tank are linked together, the upper end on circulating fluidized bed reaction absorption tower is equipped with the exhanst gas outlet, and the lower extreme is equipped with desulfurization raw materials import, flue gas inlet and material import, and desulfurization raw materials import is linked together with the discharge gate of giving birth to the lime digestion device, and flue gas inlet is linked together with the entry flue, the upper end of sack cleaner is equipped with air inlet and gas outlet, and the lower extreme is equipped with the material export, and the air inlet is linked together with the exhanst gas outlet, and the gas outlet is passed through the draught fan with the chimney and is linked to each other, and the material export is linked together through material circulating air chute with the material import, still is linked together with grey storehouse in the material export, the equipartition has a plurality of sonic boom shower nozzles that link to each other with the technology water tank on the inner wall on circulation fluidization reaction absorption tower. The utility model has the characteristics of the desulfurization is efficient and stable etc.
Description
Technical field
The utility model relates to flue gases purification field, particularly a kind of circulating fluidized bed dry flue gas purification system.
Background technology
The pernicious gases such as the sulfur dioxide in flue gas produced when fire coal, fuel oil, combustion gas, nitrogen oxide enter air, cause acid rain, destroy ecological environment, affect the healthy of people.Along with the increasingly stringent of national requirements for environmental protection, the environmental protection index of thermal power generation unit requires progressively to standard evolution (the i.e. NO of ultra-clean discharge
xbe less than 50mg/Nm
3, SO
2be less than 35mg/Nm
3, dust is less than 5mg/Nm
3be called for short " 50355 " discharge), various modified flue gas desulfurization technique method and apparatus arises at the historic moment, wherein wet desulphurization device application is comparatively extensive, but there is following scabrous problem: supporting loaded down with trivial details, system process is long, Operation and Maintenance is complicated, operating cost is high, cost of investment is large, waste water is difficult.
But there is a lot of problem in traditional circulating fluid bed flue gas desulfurization technique, subject matter is as follows in actual motion: 1. the burnt lime digester of import is expensive, and domestic water rate control has problem, and digestion effect is undesirable; 2. falling ash at the bottom of desulfurizing tower for wet ash, can not connect pneumatic ash transmitting system, is to rinse with water or with slag conveyer at present; 3. when boiler at low load runs, desulfurizing tower is inner easily " collapse bed "; 4. absorbent, recirculation ash are concentrated and are entered desulfurizing tower, absorbent, recirculation ash concentration skewness is formed in desulfurizing tower, through multilayer atomizer humidification (or two-fluid spray nozzle atomization humidification), cause absorbent, recirculation ash particle surface moisture uneven, easily to cause in reactor the problems such as soot particle reunion, blocking; 5. sack cleaner outlet dust concentration wants the requirement reaching ultra-clean discharge, must strengthen filter area, reduces wind speed, causes SR to increase; 6. desulfuration efficiency is unstable.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide the high and stable circulating fluidized bed dry flue gas purification system of a kind of desulfuration efficiency.
Realize the technical solution of the utility model as follows:
A kind of circulating fluidized bed dry flue gas purification system, comprises gas approach, technique water tank, burnt lime slaking device, quick lime storehouse, recirculating fluidized bed reactive absorption tower, sack cleaner, air-introduced machine, chimney, Hui Ku, Matter Transfer air flume, air compressor machine;
The feeding mouth of burnt lime slaking device is connected with quick lime storehouse, and the delivery port of technique water tank is connected with the water inlet of burnt lime slaking device;
The upper end of recirculating fluidized bed reactive absorption tower is provided with exhanst gas outlet, and lower end is provided with desulfurization material import, gas approach and material inlet, and desulfurization material import is connected with the discharging opening of burnt lime slaking device, and gas approach is connected with gas approach;
The upper end of sack cleaner is provided with air inlet and gas outlet, lower end is provided with material outlet, and air inlet is connected with exhanst gas outlet, and gas outlet is connected by air-introduced machine with chimney, material outlet is connected by Matter Transfer air flume with material inlet, and material outlet is also connected with grey storehouse;
The inwall of described ciculation fluidized reactive absorption tower is evenly equipped with multiple sonic boom shower nozzle be connected with technique water tank, and circulating sulfuration reactive absorption tower outside is also provided with the air compressor machine be connected with sonic boom shower nozzle.
Have employed above-mentioned scheme, quick lime is provided to burnt lime slaking device by quick lime storehouse, water source is being provided by technique water tank interpromoting relation in five elements lime slaking device, such quick lime can react thus make desulfurization material in burnt lime slaking device, technique water tank and quick lime storehouse can Artificial Control, the amount of such water yield and quick lime can control, and can reach best digestion effect; Desulfurization material enters in recirculating fluidized bed reactive absorption tower from desulfurization material import, pending flue gas in gas approach enters recirculating fluidized bed reactive absorption tower by gas approach, and contact with desulfurization material, thus beginning desulfurization, sonic boom shower nozzle in recirculating fluidized bed reactive absorption tower can spray atomized water, flue-gas temperature can be reduced on the one hand, ensure optimum reaction condition, liquid phase is formed on the other hand on the surface of desulfurization material, be conducive to desulfurization material, pending flue gas and water so fully to mix, make SO in flue gas
2, SO
3absorbed more fully Deng sour gas physical efficiency, realized the efficiency utilization of high-efficiency desulfurization and desulfurizing agent, and can be ensured that desulfurization end product is dry powder, ash particle surface moisture can not be caused uneven, soot particle reunion, blockage problem can be prevented; Flue gas after purification is gone out after flue gas goes out, enter in sack cleaner by gas approach again, now there is solid particle in flue gas, can solid particle be removed by sack cleaner, and then have air-introduced machine to be discharged by clean flue gas introducing chimney, decrease the pollution to environment; And can containing a small amount of unreacted desulfurization material in the solid particle of removing, in line with sustainable development, save cost, the principle economized on resources, can again enter recirculating fluidized bed reactive absorption tower by circulating air skewed slot and carry out purifying smoke, all the other residues are disposed in grey storehouse; Technique water tank provides water source can to sonic boom nozzle, and an air compressor machine sonic boom nozzle provides pressure, the micron order that can produce like this surpasses water droplets by the tiny dust of Electrostatic Absorption to be made it be agglomerated into larger particle and removes, thus reach the prerequisite of ultra-clean discharge in dust concentration under, greatly can reduce the filter area of cloth bag, reduce resistance.
Be connected by pneumatic ash transmitting system between described material outlet with grey storehouse.
Have employed above-mentioned scheme, can effectively the residue in solid particle be separated by pneumatic ash transmitting system and discharge.
Be connected by flue gas replenishment system between described air-introduced machine and gas approach.
Have employed above-mentioned scheme, the flue gas after purification can pass in recirculating fluidized bed reactive absorption tower and use, and gas in recirculating fluidized bed reactive absorption tower can be prevented not enough, and when causing underrun, " collapse bed " phenomenon appears in reaction tower inside.
The inwall of described burnt lime slaking device and sack cleaner is provided with multiple sonic boom shower nozzle, and this sonic boom shower nozzle is connected with air compressor machine with technique water tank.
Have employed above-mentioned scheme, quick lime can be made fully to react in slaking apparatus, reach optimum efficiency; Also can clean sack cleaner.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In accompanying drawing, 1 is gas approach, 2 is technique water tank, 21 is delivery port, 3 is burnt lime slaking device, 31 is feeding mouth, 32 is water inlet, 33 is discharging opening, 4 make a living lime silo, 5 is recirculating fluidized bed reactive absorption tower, 51 is desulfurization material import, 52 is material inlet, 53 is gas approach, 54 is exhanst gas outlet, 6 is sack cleaner, 61 is air inlet, 62 is gas outlet, 63 is material outlet, 7 is air-introduced machine, 8 is chimney, 9 is grey storehouse, 10 is Matter Transfer air flume, 11 is sonic boom shower nozzle, 12 is flue gas replenishment system, 13 is pneumatic ash transmitting system, 14 is air compressor machine.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As Fig. 1, a kind of circulating fluidized bed dry flue gas purification system, comprises gas approach 1, technique water tank 2, burnt lime slaking device 3, quick lime storehouse 4, recirculating fluidized bed reactive absorption tower 5, sack cleaner 6, air-introduced machine 7, chimney 8, grey storehouse 9, Matter Transfer air flume 10, air compressor machine 14; The feeding mouth 31 of burnt lime slaking device 3 is connected with quick lime storehouse 4, and the delivery port 21 of technique water tank 2 is connected with the water inlet 32 of burnt lime slaking device 3; The upper end of recirculating fluidized bed reactive absorption tower 5 is provided with exhanst gas outlet 54, lower end is provided with desulfurization material import 51, gas approach 53 and material inlet 52, desulfurization material import 51 is connected with the discharging opening 33 of burnt lime slaking device 3, and gas approach 53 is connected with gas approach 1; The upper end of sack cleaner 6 is provided with air inlet 61 and gas outlet 62, lower end is provided with material outlet 63, air inlet 61 is connected with exhanst gas outlet 54, gas outlet 62 is connected by air-introduced machine 7 with chimney 8, material outlet 63 is connected by Matter Transfer air flume 10 with material inlet 52, and material outlet 63 is also connected by pneumatic ash transmitting system 13 with grey storehouse 9; The inwall of described ciculation fluidized reactive absorption tower 5 is evenly equipped with multiple sonic boom shower nozzle 11 be connected with technique water tank 2, circulating sulfuration reactive absorption tower 5 outside is also provided with the air compressor machine 14 be connected with sonic boom shower nozzle 11, be connected by flue gas replenishment system 12 between air-introduced machine 7 and gas approach 53, the inwall of burnt lime slaking device 4 and sack cleaner 6 is provided with multiple sonic boom shower nozzle 11, and this sonic boom shower nozzle 11 is connected with air compressor machine 14 with technique water tank 2.
Circulating fluidized bed dry flue gas purification system of the present invention comprises the following steps:
Recirculating fluidized bed reaction tower is entered through gas approach by needing the former flue gas of purification, after the recycle stock returned with the desulfurization material sprayed from burnt lime slaking device and Matter Transfer air flume mixes, the super-fine atomization water droplet produced with sonic boom shower nozzle combines, utilize water, gas mixing jet acts on concussion head, to form Sasser at shower nozzle jet end, make the water smoke refinement of ejecting, reach micron level, on the one hand can decreasing temperature and increasing humidity, the contact area of absorbent and flue gas can be increased on the other hand, absorbent is fully reacted with the sulfur dioxide in flue gas under ionic condition, thus reach higher desulfuration efficiency,
Recirculating fluidized bed reactive absorption tower exiting flue gas enters sack cleaner, in flue gas, unreacted is after material ash is captured completely, enter recirculating fluidized bed reactive absorption tower together with the desulfurization material that major part is added by Matter Transfer air flume and burnt lime slaking device to continue to participate in and react, so circulate;
Cleaning flue gases connects air-introduced machine from sack cleaner through exhaust pass, and is divided into two-way, and a route chimney is discharged, another road connects flue gas replenishment system, when preventing boiler at low load from running, there is " collapse bed " phenomenon in reaction tower inside, finally completes the ultra-clean emission request of flue gas.
Beneficial effect: compared with prior art, outstanding advantages of the present invention is:
1. desulfuration efficiency is high and stable, generally can control more than 95%, reach as high as 99.5%;
2. desulfurization end product is dry powder, and ash particle surface moisture can not be caused uneven, can prevent soot particle reunion, blockage problem;
3. recirculating fluidized bed internal placement sonic boom shower nozzle, can produce micron order and surpass water droplets, and with flue gas, absorbent time of contact is long, contact area is large, it is abundant contact, thus ensure that higher desulfuration efficiency, reaches the requirement of ultra-clean discharge;
4. sack cleaner inside arranges sonic boom ejecting device equally, according to Alan Jay Lerner moral effect, namely the micron order produced surpasses water droplets by the tiny dust of Electrostatic Absorption to be made it be agglomerated into larger particle and removes, thus reach the prerequisite of ultra-clean discharge in dust concentration under, greatly can reduce the filter area of cloth bag, reduce resistance;
5. desulphurization system operating cost is low, and water consumption, power consumption are very low;
6. when clean flue gas replenishment system can effectively prevent boiler at low load from running there is " collapse bed " phenomenon in recirculating fluidized bed inside.
Claims (4)
1. a circulating fluidized bed dry flue gas purification system, is characterized in that: comprise gas approach, technique water tank, burnt lime slaking device, quick lime storehouse, recirculating fluidized bed reactive absorption tower, sack cleaner, air-introduced machine, chimney, Hui Ku, Matter Transfer air flume, air compressor machine;
The feeding mouth of burnt lime slaking device is connected with quick lime storehouse, and the delivery port of technique water tank is connected with the water inlet of burnt lime slaking device;
The upper end of recirculating fluidized bed reactive absorption tower is provided with exhanst gas outlet, and lower end is provided with desulfurization material import, gas approach and material inlet, and desulfurization material import is connected with the discharging opening of burnt lime slaking device, and gas approach is connected with gas approach;
The upper end of sack cleaner is provided with air inlet and gas outlet, lower end is provided with material outlet, and air inlet is connected with exhanst gas outlet, and gas outlet is connected by air-introduced machine with chimney, material outlet is connected by Matter Transfer air flume with material inlet, and material outlet is also connected with grey storehouse;
The inwall of described ciculation fluidized reactive absorption tower is evenly equipped with multiple sonic boom shower nozzle be connected with technique water tank, and circulating sulfuration reactive absorption tower outside is also provided with the air compressor machine be connected with sonic boom shower nozzle.
2. a kind of circulating fluidized bed dry flue gas purification system according to claim 1, be is characterized in that: be connected by pneumatic ash transmitting system between described material outlet with grey storehouse.
3. a kind of circulating fluidized bed dry flue gas purification system according to claim 1, is characterized in that: be connected by flue gas replenishment system between described air-introduced machine and gas approach.
4. a kind of circulating fluidized bed dry flue gas purification system according to claim 1, is characterized in that: the inwall of described burnt lime slaking device and sack cleaner is provided with multiple sonic boom shower nozzle, and this sonic boom shower nozzle is connected with air compressor machine with technique water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669892.4U CN204911226U (en) | 2015-08-31 | 2015-08-31 | Circulating fluidized bed dry process gas cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669892.4U CN204911226U (en) | 2015-08-31 | 2015-08-31 | Circulating fluidized bed dry process gas cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204911226U true CN204911226U (en) | 2015-12-30 |
Family
ID=54960412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520669892.4U Active CN204911226U (en) | 2015-08-31 | 2015-08-31 | Circulating fluidized bed dry process gas cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204911226U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854573A (en) * | 2016-04-01 | 2016-08-17 | 唐山钢铁集团有限责任公司 | Dense phase semi-dry desulfurization apparatus and operation method thereof |
| CN106051945A (en) * | 2016-07-11 | 2016-10-26 | 浙江理工大学 | Detachable turbine air purifier |
| CN106512696A (en) * | 2016-10-31 | 2017-03-22 | 内蒙古包钢钢联股份有限公司 | A circulating-fluidized-bed-method flue gas desulphurization process and a circulating-fluidized-bed-method flue gas desulphurization system |
| CN107029531A (en) * | 2017-05-12 | 2017-08-11 | 安徽晨晰洁净科技有限公司 | The desulfurization of industrial smoke, dedusting denitrification integral handling process |
| CN107308803A (en) * | 2017-08-16 | 2017-11-03 | 华能白山煤矸石发电有限公司 | A kind of circulating fluidized bed desulfurization tower and control method |
| CN107670491A (en) * | 2017-10-24 | 2018-02-09 | 上海电力学院 | Improve the device of fume circulating fluidized bed desulfurization system material return mechanism characteristic using heat smoke |
| CN107913592A (en) * | 2017-12-26 | 2018-04-17 | 四川大学 | Intermittent cyclic fluid bed and utilize its flue gas purification system and purification method |
| CN108686495A (en) * | 2018-06-21 | 2018-10-23 | 佛山赛因迪环保科技有限公司 | A kind of smoke processing system for ceramic industry |
| CN109157953A (en) * | 2018-09-05 | 2019-01-08 | 安徽盛运重工机械有限责任公司 | A kind of industrially desulfurized denitration exhaust gas cleaner |
| CN110694459A (en) * | 2019-11-21 | 2020-01-17 | 北京中航泰达环保科技股份有限公司 | Dry desulfurization reaction device |
-
2015
- 2015-08-31 CN CN201520669892.4U patent/CN204911226U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854573A (en) * | 2016-04-01 | 2016-08-17 | 唐山钢铁集团有限责任公司 | Dense phase semi-dry desulfurization apparatus and operation method thereof |
| CN105854573B (en) * | 2016-04-01 | 2018-08-21 | 唐山钢铁集团有限责任公司 | A kind of close phase semidry process desulfurizer and operating method |
| CN106051945A (en) * | 2016-07-11 | 2016-10-26 | 浙江理工大学 | Detachable turbine air purifier |
| CN106512696A (en) * | 2016-10-31 | 2017-03-22 | 内蒙古包钢钢联股份有限公司 | A circulating-fluidized-bed-method flue gas desulphurization process and a circulating-fluidized-bed-method flue gas desulphurization system |
| CN107029531A (en) * | 2017-05-12 | 2017-08-11 | 安徽晨晰洁净科技有限公司 | The desulfurization of industrial smoke, dedusting denitrification integral handling process |
| CN107308803A (en) * | 2017-08-16 | 2017-11-03 | 华能白山煤矸石发电有限公司 | A kind of circulating fluidized bed desulfurization tower and control method |
| CN107308803B (en) * | 2017-08-16 | 2023-07-21 | 华能白山煤矸石发电有限公司 | Circulating fluidized bed desulfurizing tower and control method |
| CN107670491A (en) * | 2017-10-24 | 2018-02-09 | 上海电力学院 | Improve the device of fume circulating fluidized bed desulfurization system material return mechanism characteristic using heat smoke |
| CN107913592A (en) * | 2017-12-26 | 2018-04-17 | 四川大学 | Intermittent cyclic fluid bed and utilize its flue gas purification system and purification method |
| CN108686495A (en) * | 2018-06-21 | 2018-10-23 | 佛山赛因迪环保科技有限公司 | A kind of smoke processing system for ceramic industry |
| CN109157953A (en) * | 2018-09-05 | 2019-01-08 | 安徽盛运重工机械有限责任公司 | A kind of industrially desulfurized denitration exhaust gas cleaner |
| CN110694459A (en) * | 2019-11-21 | 2020-01-17 | 北京中航泰达环保科技股份有限公司 | Dry desulfurization reaction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204911226U (en) | Circulating fluidized bed dry process gas cleaning system | |
| CN106621754A (en) | Garbage incineration fume ultralow emission purifying system | |
| CN206404569U (en) | Flue gas of refuse burning minimum discharge cleaning system | |
| CN1239232C (en) | Multiple reaction integrated process for desulfuizing from fume by dry method and its system | |
| CN204073815U (en) | A kind of integrated fume denitration desulfurization dust-removal system | |
| CN202683052U (en) | Front semi-dry gas desulfurization system | |
| CN101653682A (en) | Boiler-rear flue gas desulphurization and synergism device of circulating fluid bed boiler and desulphurization and synergism method | |
| WO2010139168A1 (en) | Digestion circulating fluidized bed flue gas desulfurization method and device | |
| CN101385941B (en) | Efficient circulating fluid bed flue-gas desulfurizing device | |
| CN2843598Y (en) | Smoke circulating fluidized-bed desulfurizer | |
| CN217220890U (en) | Domestic waste burns flue gas denitration deacidification dust removal integration system of optimization | |
| WO2019228547A1 (en) | Industrial flue gas treatment method and industrial flue gas treatment system | |
| CN202740999U (en) | Novel flue gas desulfurization device | |
| CN206989168U (en) | A kind of boiler smoke minimum discharge device | |
| CN102266718A (en) | Semi dry process flue gas desulfurization method of circulating fluidized bed based on circulation, and apparatus thereof | |
| CN202506310U (en) | Garbage-incinerated flue gas purification-combined deacidification system | |
| CN206549434U (en) | A kind of coke oven flue gas dry-type desulphurization device, the dust removal integrated system of coke oven flue gas dry type desulfurizing | |
| CN202438257U (en) | Gas-solid circulating flue gas absorption desulfuration and dust removal device | |
| CN208244435U (en) | Classification humidification flue gas desulfurization device based on spraying-fluidized bed reactor | |
| CN208990553U (en) | A kind of circulating fluid bed desulfurization device | |
| CN107096378A (en) | The flue gas desulphurization system and sulfur method of a kind of floatation glass production line | |
| CN101721907B (en) | Flue gas desulfurizing method for W-shaped multi-fluid alkaline spray generator | |
| CN206492395U (en) | A kind of flue gas pollutant joint removing system based on activity solid absorbent | |
| CN211636020U (en) | Desulfurization and denitrification dust removal system with humidification and activation functions | |
| CN202191838U (en) | Flue gas disposing device of coal-fired industrial boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220707 Address after: 213022 No.5 Qinling Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Hehai New Energy Technology Development Co.,Ltd. Address before: 213022 No.5 Qinling Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: JIANGSU HEHAI NEW ENERGY Co.,Ltd. |