CN201175647Y - Dry type inside and outside cycle controllable fluidized bed desulphurization device - Google Patents
Dry type inside and outside cycle controllable fluidized bed desulphurization device Download PDFInfo
- Publication number
- CN201175647Y CN201175647Y CNU2008201113721U CN200820111372U CN201175647Y CN 201175647 Y CN201175647 Y CN 201175647Y CN U2008201113721 U CNU2008201113721 U CN U2008201113721U CN 200820111372 U CN200820111372 U CN 200820111372U CN 201175647 Y CN201175647 Y CN 201175647Y
- Authority
- CN
- China
- Prior art keywords
- reaction tower
- separator
- dry type
- spiral organ
- fluidized bed
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a dry type fluidized bed desulfurization device with controllable internal and external circulation. The desulfurization device comprises a reaction tower, a venturi section, a flue gas inlet tank, a highly-effective cyclone separator and a small desulfurizer chamber, wherein, an internal separator is arranged inside the reaction tower, the venturi section, the flue gas inlet tank and a lower ash holding port are arranged at the bottom of the reaction tower in sequence, the upper flue gas outlet of the reaction tower is connected with the highly-effective cyclone separator along the tangential direction through a pipeline, and a dust collector is arranged at the top part of the highly-effective cyclone separator and is connected with an external flue gas discharging tunnel; a buffer separation tank is arranged at the lower part of the highly-effective cyclone, wherein, one outlet is connected with the reaction tower through a quantitative return spiral organ, and the other outlet is connected with an external ash discharging chamber through a quantitative external discharging spiral organ. By using the dry type desulfurization device, the flue gas can be better controlled, the desulfurizer can be effectively utilized, the desulfurization efficiency can be improved, and the adaptability of the reaction device can be enhanced.
Description
Technical field
The utility model relates to a kind of flue gas desulfurization technique, relates in particular to the controlled flue gas desulfurization device of fluidized bed of outer circulation in a kind of dry type.This device is the device of the emission control process of application and coal-fired station and steel enterprise sintering tail gas pollutant sulfur dioxide.
Background technology
Based on fire coal, using in a large number of coal produces a large amount of pollutants such as sulfur dioxide in the energy resource structure of China.For realizing the sustainable development of Chinese national economy, improve environmental aspect of China and the people's living environment, China has carried out large-scale sulfur dioxide now and has subdued improvement work.
Fume desulphurization method has wet method, semidry method and dry method, flue gas circulating fluidized bed desulfurization is a kind of novel desulfur technology of strange (Lurgi) company in Germany Shandong 1980s exploitation, this technology is based on the recirculating fluidized bed principle, repeatedly recirculation by absorbent, the time of contact of extension of absorbent and flue gas, have high-effective dust-removing and desulfurizing function.This technology has small investment, it is little to take up an area of, the advantage of simple structure, easy operating, can be issued to or near the desulfuration efficiency of wet desulfurizing process, reaches more than 90% in calcium sulfur ratio (Ca/S=1.1～1.5) situation.
Chinese patent application number: 200620022949.x, denomination of invention: the desulfurizer of " the inside and outside dual circulation fluidized bed desulfurizing device of a kind of dry type ", this device is provided with internal circulation apparatus recirculating fluidized bed and external circulating device separator, interior circular response tower venturi section is established batcher and nozzle, establish 2-5 layer spoiler in the tower, strengthen the interaction of desulfurizing agent and flue gas.Screw(-type) feeder control outer circulation amount is adopted in the external circulating device returning charge.Yet the problem of this technology existence is at present, and this device gas approach smoke distribution inequality more can not be regulated exhaust gas volumn, can not adapt to the technical process that flue gas changes, and especially can not adapt to the big sintering machine desulfuration of flue gas variable quantity.
And the adding of desulfurizing agent relies on screw(-type) feeder, can not the accurate measurement feeding coal.Can not adapt to the big situation of smoke treatment variable quantity, this moment, screw(-type) feeder can not change bigger.And the contact between the outer circulation relies on screw(-type) feeder in this device, relies on the motor frequency conversion of screw(-type) feeder, in motor control returning charge amount at a high speed and between two grades of the low speed, and can not the concrete returning charge amount of accurate measurement.
Summary of the invention
The utility model provides the controlled fluidized bed desulfurizing device of outer circulation in a kind of dry type for solving the problems of the prior art, and it can better control flue gas, effectively utilizes desulfurizing agent, improves desulfuration efficiency, the adaptability of intensified response device.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
The controlled fluidized bed desulfurizing device of outer circulation in a kind of dry type, comprise reaction tower, venturi section, advance smoke box, efficient cyclone separator, the little storehouse of desulfurizing agent, be provided with the tower inner separator in the described reaction tower, bottom at described reaction tower is provided with the venturi section successively, advances smoke box and bottom ash-removing mouth, the top exhanst gas outlet of described reaction tower tangentially links to each other with efficient cyclone separator by pipeline, and described efficient cyclone separator top exit is provided with deduster and links to each other with outer smokejack; Described tower inner separator is located at the first half of reaction tower; Described venturi section comprises aditus laryngis, aditus laryngis controllable device, water spout; The little position in storehouse of described desulfurizing agent links to each other with reaction tower in the side top of venturi section and by the dosing spiral organ; The bottom of described efficient cyclone separator is provided with the buffering separator box, and an outlet of described buffering separator box links to each other with reaction tower by quantitative returning charge spiral organ, and another outlet of described buffering separator box is connected with outer ash discharge storehouse by quantitatively effluxing spiral organ.
The above dosing spiral organ, quantitatively efflux spiral organ, quantitatively the returning charge spiral organ is the spiral electronic scale.Utilize the spiral electronic scale, can accurate measurement and the addition and the returning charge amount of control desulfurizing agent, make the tower internal reaction more complete, fluidized state is more even.
Describedly advance in the smoke box to be provided with the smoke box guide vane that is used for buffer gas flow and uniform formation's air-flow.
Described aditus laryngis controllable device is an adjustable gate.It more adapts to the big system's desulfurization of flue gas variable quantity, plays and regulates and control action.
The aditus laryngis top of described reaction tower is provided with the dosing spiral organ of desulfurizing agent, and different with dispenser in the past is accurately weighing feeding coal of quantitative spiral.And the quantitative returning charge spiral organ that the bottom of described efficient cyclone separator is provided with, accurately weighing returning charge amount.
The advantage that the utility model compared with prior art has is:
(1) device easy operating of the present invention is simple in structure, adapts to exhaust gas volumn variation desulphurization system greatly.
(2) advance smoke box in the reaction tower bottom and be provided with the smoke box guide vane, can make the even and buffering flue gas of system's air inlet, ash-removing mouth is established in the smoke box bottom, can reduce working strength of workers between system debug phase and turn(a)round.
(3) the reaction tower aditus laryngis is established the aditus laryngis controllable device, can regulate the into exhaust gas volumn of desulfurizing tower, makes system can adapt to different exhaust gas volumns.
(4) reaction tower aditus laryngis top set amount spiral electronic scale can the accurate measurement feeding coal, i.e. the addition of desulfurizing agent, and the calcium sulfur ratio of control system very easily guarantees the desulfuration efficiency of system.
(5) adopt the spiral electronic scale between the interior outer circulation, can accurate measurement returning charge amount, control returning charge amount, guaranteeing in the tower can provide enough response areas under higher particle concentration state, make fluidized state more even, improves desulfuration efficiency.
(6) adaptability is strong.All can use this device to the sulfur-bearing coal of different sulfurs and the coal-burning boiler and the big flue gas of sintering machine system of flue gas variable quantity of different purposes.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
Fig. 2 cuts open structural representation for the smoke box office of advancing of the utility model device.
Fig. 3 is the front view of smoke box guide vane.
Fig. 4 is the lateral plan of smoke box guide vane.
The specific embodiment
Below in conjunction with accompanying drawing technical solutions of the utility model are further described.
Extremely shown in Figure 2 as Fig. 1:
1, advances smoke box; 2, aditus laryngis; 3, aditus laryngis controllable device;
4, water spout; 5, bottom ash-removing mouth; 6, dosing spiral organ;
7, the little storehouse of desulfurizing agent; 8, reaction tower; 9, tower inner separator;
10, pipeline; 11, outer smokejack; 12, efficient cyclone separator;
13, buffering separator box; 14, quantitatively efflux spiral organ; 15, quantitative returning charge spiral organ;
16, venturi section; 17, smoke box guide vane.
As shown in Figure 1, Fig. 1 is the structural representation of the utility model device.The controlled fluidized bed desulfurizing device of outer circulation in a kind of dry type, comprise reaction tower 8, venturi section 16, advance smoke box 1, efficient cyclone separator 12, the little storehouse 7 of desulfurizing agent, be provided with tower inner separator 9 in the described reaction tower 8, bottom at described reaction tower 8 is provided with venturi section 16 successively, advances smoke box 1 and bottom ash-removing mouth 5, the top exhanst gas outlet of described reaction tower 8 tangentially links to each other with efficient cyclone separator 12 by pipeline 10, and described efficient cyclone separator 12 top exits are provided with deduster and link to each other with outer smokejack 11; Described tower inner separator 9 is located at the first half of reaction tower 8; Described venturi section 16 comprises aditus laryngis 2, aditus laryngis controllable device 3, water spout 4; The little storehouse 7 of described desulfurizing agent is positioned at the side top of venturi section 16 and links to each other with reaction tower 8 by dosing spiral organ 6; The bottom of described efficient cyclone separator 12 is provided with buffering separator box 13, an outlet of described buffering separator box 13 links to each other with reaction tower 8 by quantitative returning charge spiral organ 15, and another outlet of described buffering separator box 13 is connected with outer ash discharge storehouse by quantitatively effluxing spiral organ 14.
The above dosing spiral organ 6, quantitatively efflux spiral organ 14, quantitatively returning charge spiral organ 15 is the spiral electronic scale.Utilize the spiral electronic scale, can accurate measurement and the addition and the returning charge amount of control desulfurizing agent, make the tower internal reaction more complete, fluidized state is more even.
Describedly advance in the smoke box 1 to be provided with the smoke box guide vane 17 that is used for buffer gas flow and uniform formation's air-flow.Cut open structural representation as Fig. 2 for the smoke box office of advancing of the utility model device, Fig. 3 is the front view of smoke box guide vane, and Fig. 4 is the lateral plan of smoke box guide vane.
Described aditus laryngis controllable device 3 is an adjustable gate.It more adapts to the big system's desulfurization of flue gas variable quantity, plays and regulates and control action.
The aditus laryngis top of described reaction tower 8 is provided with the dosing spiral organ 6 of desulfurizing agent, and different with dispenser in the past is accurately weighing feeding coal of quantitative spiral 6.And the quantitative returning charge spiral organ 15 that the bottom of described efficient cyclone separator 12 is provided with, accurately weighing returning charge amount.
Production process is: contain SO
2What flue gas at first entered reaction tower 8 bottoms advances smoke box 1, plays the effect of buffering and uniform air flow.Regulate the aperture of aditus laryngis controllable device 3 then according to exhaust gas volumn, when the exhaust gas volumn that enters reaction tower 8 changes, regulate aditus laryngis controllable device 3 again, guarantee that there is good fluidized state the inside of reactor 8.According to smoke property, flow and desulfurized effect, decision joins the desulfurization dosage in the tower, is the spiral electronic scale by dosing spiral organ 6, accurately adds desulfurizing agent, when the flue gas that enters reaction tower 8 changed greatly, the effect of dosing spiral electronic scale 6 was more obvious.In order to guarantee in the reaction tower under higher particle concentration state, to provide enough response areas, make fluidized state more even, desulfuration efficiency is higher, according to what of exhaust gas volumn decision returning charge amount, be returning charge spiral electronic scale by quantitative returning charge spiral organ 15, more accurate definite returning charge amount.When the exhaust gas volumn that enters reaction tower 8 changed greatly, the returning charge amount changed thereupon.Between system debug phase and turn(a)round, can put ash, greatly reduce working strength of workers by the ash-removing mouth of reaction tower 8 bottoms.
Claims (4)
1, the controlled fluidized bed desulfurizing device of outer circulation in a kind of dry type, it is characterized in that: comprise reaction tower (8), venturi section (16), advance smoke box (1), efficient cyclone separator (12), the little storehouse of desulfurizing agent (7), be provided with tower inner separator (9) in the described reaction tower (8), be provided with venturi section (16) successively in the bottom of described reaction tower (8), advance smoke box (1) and bottom ash-removing mouth (5), the top exhanst gas outlet of described reaction tower (8) tangentially links to each other with efficient cyclone separator (12) by pipeline (10), and described efficient cyclone separator (12) top exit is provided with deduster and links to each other with outer smokejack (11); Described tower inner separator (9) is located at the first half of reaction tower (8); Described venturi section (16) comprises aditus laryngis (2), aditus laryngis controllable device (3), water spout (4); The little storehouse of described desulfurizing agent (7) is positioned at the side top of venturi section (16) and links to each other with reaction tower (8) by dosing spiral organ (6); The bottom of described efficient cyclone separator (12) is provided with buffering separator box (13), an outlet of described buffering separator box (13) links to each other with reaction tower (8) by quantitative returning charge spiral organ (15), and another outlet of described buffering separator box (13) is connected with outer ash discharge storehouse by quantitatively effluxing spiral organ (14).
2, the controlled fluidized bed desulfurizing device of outer circulation in the dry type as claimed in claim 1 is characterized in that: described dosing spiral organ (6), quantitatively efflux spiral organ (14), quantitatively returning charge spiral organ (15) is the spiral electronic scale.
3, the controlled fluidized bed desulfurizing device of outer circulation in the dry type as claimed in claim 1 is characterized in that: describedly advance in the smoke box (1) to be provided with the smoke box guide vane (17) that is used for buffer gas flow and uniform formation's air-flow.
4, the controlled fluidized bed desulfurizing device of outer circulation in the dry type as claimed in claim 1 is characterized in that: described aditus laryngis controllable device (3) is adjustable gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201113721U CN201175647Y (en) | 2008-04-18 | 2008-04-18 | Dry type inside and outside cycle controllable fluidized bed desulphurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201113721U CN201175647Y (en) | 2008-04-18 | 2008-04-18 | Dry type inside and outside cycle controllable fluidized bed desulphurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201175647Y true CN201175647Y (en) | 2009-01-07 |
Family
ID=40215663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201113721U Expired - Fee Related CN201175647Y (en) | 2008-04-18 | 2008-04-18 | Dry type inside and outside cycle controllable fluidized bed desulphurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201175647Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213415A (en) * | 2011-04-28 | 2011-10-12 | 广州迪森热能技术股份有限公司 | Preparation system of biomass fume |
| CN102614747A (en) * | 2012-03-30 | 2012-08-01 | 蓝天环保设备工程股份有限公司 | Flue gas cleaning device and method for circulating fluidized bed through semi-dry method |
| CN104107632A (en) * | 2013-04-18 | 2014-10-22 | 韩国energy技术研究院 | Spouted bed type reactor for semi-dry flue gas desulfurization and multi-stage desulfurization using thereof |
| CN104437069A (en) * | 2014-11-11 | 2015-03-25 | 南京中电环保科技有限公司 | Desulfurization and dust-removal device and desulfurization and dust-removal method of membrane separation circulating fluidized bed |
| CN105775452A (en) * | 2016-03-02 | 2016-07-20 | 煤炭科学技术研究院有限公司 | Powder feeding method |
| 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 |
| CN108176204A (en) * | 2017-12-26 | 2018-06-19 | 四川大学 | Flue gas and desulfurizing and denitrifying integrated purification system and purification method |
| CN108894769A (en) * | 2018-04-18 | 2018-11-27 | 中国石油天然气股份有限公司 | Integrated differential pressure type gas-liquid two-phase flow wellhead monitoring device |
| CN109316947A (en) * | 2018-09-28 | 2019-02-12 | 姚磊 | It is a kind of for coking, gas fired-boiler, glass furnace dry desulfurization device |
| CN110255644A (en) * | 2019-06-24 | 2019-09-20 | 西安交通大学 | A kind of flue desulfurization waste water evaporating completely combination unit |
-
2008
- 2008-04-18 CN CNU2008201113721U patent/CN201175647Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213415A (en) * | 2011-04-28 | 2011-10-12 | 广州迪森热能技术股份有限公司 | Preparation system of biomass fume |
| CN102614747A (en) * | 2012-03-30 | 2012-08-01 | 蓝天环保设备工程股份有限公司 | Flue gas cleaning device and method for circulating fluidized bed through semi-dry method |
| CN102614747B (en) * | 2012-03-30 | 2014-05-14 | 蓝天环保设备工程股份有限公司 | Flue gas cleaning device and method for circulating fluidized bed through semi-dry method |
| CN104107632B (en) * | 2013-04-18 | 2017-04-12 | 韩国energy技术研究院 | Spouted bed type reactor for semi-dry flue gas desulfurization and multi-stage desulfurization using thereof |
| CN104107632A (en) * | 2013-04-18 | 2014-10-22 | 韩国energy技术研究院 | Spouted bed type reactor for semi-dry flue gas desulfurization and multi-stage desulfurization using thereof |
| CN104437069A (en) * | 2014-11-11 | 2015-03-25 | 南京中电环保科技有限公司 | Desulfurization and dust-removal device and desulfurization and dust-removal method of membrane separation circulating fluidized bed |
| CN105775452A (en) * | 2016-03-02 | 2016-07-20 | 煤炭科学技术研究院有限公司 | Powder feeding method |
| CN105775452B (en) * | 2016-03-02 | 2018-05-25 | 煤科院节能技术有限公司 | A kind of powder method of feeding |
| 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 |
| CN108176204A (en) * | 2017-12-26 | 2018-06-19 | 四川大学 | Flue gas and desulfurizing and denitrifying integrated purification system and purification method |
| CN108894769A (en) * | 2018-04-18 | 2018-11-27 | 中国石油天然气股份有限公司 | Integrated differential pressure type gas-liquid two-phase flow wellhead monitoring device |
| CN109316947A (en) * | 2018-09-28 | 2019-02-12 | 姚磊 | It is a kind of for coking, gas fired-boiler, glass furnace dry desulfurization device |
| CN110255644A (en) * | 2019-06-24 | 2019-09-20 | 西安交通大学 | A kind of flue desulfurization waste water evaporating completely combination unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201175647Y (en) | Dry type inside and outside cycle controllable fluidized bed desulphurization device | |
| CN201195098Y (en) | Flue-gas desulfurizing device of sintering device | |
| CN210278779U (en) | Semi-dry desulfurization dust collector | |
| CN205672756U (en) | A kind of double tower Two-way Cycle lime stone gypsum wet flue gas desulfurizing device | |
| CN205073877U (en) | Semidry method flue gas desulphurization device of single venturi structure | |
| CN101116795A (en) | Graded water separation type circulating fluidized bed dry-type flue gas desulfurization technics and the special absorptive tower thereof | |
| CN102631837A (en) | Integrated type sulfur-containing waste gas purifying device | |
| CN204358713U (en) | A kind of high circulating ratio stack gas desulfurization system of circulating fluid bed | |
| CN201389423Y (en) | Flue gas desulphurization dust removing tower for coal burning boiler | |
| CN106139877A (en) | Efficient small coal-firing units gas desulfurization device | |
| CN101284207B (en) | Circulating fluid bed flue gas desulfurization tower | |
| CN201949801U (en) | Flue gas desulfurization device of thermal power generating unit of burning high-sulfur coal | |
| CN1248771C (en) | Reaction process for desulfurizing fume with integrated dual-circulation fluidized bed | |
| CN104474894B (en) | A kind of cyclone cylinder dry fume catalytic desulfurization device and technique | |
| CN102120131B (en) | Method and device for desulfurizing flue gas of thermal power unit burning high sulfur coal | |
| CN111450659A (en) | Active coke dry method desulfurization device and process for flue gas | |
| CN110292847A (en) | A kind of activated coke desulfurization denitrification integral processing system | |
| CN202315653U (en) | Device for lowering humidity of discharged smoke of wet desulphurization system | |
| CN202683069U (en) | Desulfurization, denitrification and demercuration joint system of moving bed activated coke | |
| CN102441324A (en) | Flue gas desulfurization reactor for descending circulating fluidized bed | |
| CN109304080A (en) | A kind of ultralow SO2The semidry-method recirculating fluidized bed flue gas desulphurization system of discharge | |
| CN104645817A (en) | Single-tower multi-pH-value graded spraying control desulfurization system and process | |
| CN203507814U (en) | Efficient circulating fluidized bed desulfurizer | |
| CN208436656U (en) | A kind of gas furnace desulphurization and dust removal integrated device | |
| CN210320122U (en) | Biomass boiler flue gas combined purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20100418 |