CN207928910U - A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit - Google Patents
A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit Download PDFInfo
- Publication number
- CN207928910U CN207928910U CN201721910006.8U CN201721910006U CN207928910U CN 207928910 U CN207928910 U CN 207928910U CN 201721910006 U CN201721910006 U CN 201721910006U CN 207928910 U CN207928910 U CN 207928910U
- Authority
- CN
- China
- Prior art keywords
- desulfurizing tower
- flue gas
- dust
- tower
- extraction unit
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit, including desulfurizing tower, power control cabinet, it is characterised in that：The taper wind inlet section of connection gas inlet pipeline is provided at the top of desulfurizing tower, calcium hydroxide is provided on taper wind inlet section to dust mouth, calcium hydroxide dust mouth pass through the first transfer pipeline connect the first rotary feeder, calcium hydroxide dry powder storehouse, taper wind inlet section side wall is equipped with inlet temperature sensor, import sulfur dioxide concentration sensor, desulphurization circulating ash is provided on the mixing section of taper air inlet pars infrasegmentalis to dust mouth, the middle and upper part of desulfurizing tower is provided with the atomising device sprayed water into tower body, it is provided with Wen's compound tube in tower body between atomising device and mixing section, desulfurization tower bottom is equipped with desulfurizing tower exhanst gas outlet pipeline, desulfurizing tower exhanst gas outlet pipeline input end is located at desulfurizing tower bottom centre position.The utility model avoids the occurrence of reunion and the slurry group of slurry drop, causes the viscous stifled of equipment, it is ensured that the normal operation of desulfation dust-extraction device, desulfurization and dedusting effect are good.
Description
Technical field
The utility model belongs to environmental technology field, specially a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit.
Background technology
Oneself becomes an important factor for restricting China's economy, social sustainable development for sulfur dioxide pollution, therefore controls dioxy
It is imperative to change sulphur pollution.There are many kinds of desulfurization technologies, by the reactiveness of sulfur removal technology be broadly divided into dry method, semidry method and
Wet method three classes.
Current semidry method flue-gas dust-removing and desulfurization system is as shown in Figure 7 comprising desulfurizing tower 1, bag filter 16, wind
Machine 17, chimney 19,1 bottom of desulfurizing tower are equipped with gas inlet pipeline 32, and gas inlet pipeline 32 is connected to aditus laryngis 33, on aditus laryngis 33
Side is equipped with dust mouth 7, desulphurization circulating ash of water jet 34, calcium hydroxide and dusts mouth 8, and the suction function that flue gas passes through wind turbine 17 enters
Aditus laryngis 33 is accelerated at aditus laryngis 33, flue gas and calcium hydroxide powder, desulphurization circulating ash, atomized drop counter current contacting, hydroxide
Calcium powder, desulphurization circulating gray surface are aqueous uneven, and have the free drop slurry group being relatively large in diameter, and it is viscous to easily cause 33 inner wall of aditus laryngis
Knot blocks, and seriously affects the normal operation of desulfation dust-extraction device.
Invention content
The utility model avoids the occurrence of in view of the above-mentioned problems, provide a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit
Reunion, wet ash group and the slurry group for starching drop, cause the viscous stifled of equipment, it is ensured that the normal operation of desulfation dust-extraction device, desulfurization and dedusting effect
Fruit is good.
The technical solution of the utility model is：A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit, including desulfurizing tower, electricity
Control cabinet, it is characterised in that：The taper wind inlet section of connection gas inlet pipeline is provided at the top of the desulfurizing tower, on taper wind inlet section
It is provided with calcium hydroxide to dust mouth, the calcium hydroxide mouth that dusts passes through the first transfer pipeline and connects the first rotary feeder, hydroxide
Calcium dry powder storehouse, taper wind inlet section side wall are equipped with inlet temperature sensor, import sulfur dioxide concentration sensor, taper wind inlet section
It is provided with desulphurization circulating ash on the mixing section of lower part to dust mouth, the middle and upper part of desulfurizing tower is provided with the atomization dress sprayed water into tower body
It sets, Wen's compound tube is provided in the tower body between atomising device and mixing section, desulfurization tower bottom is equipped with desulfurization tower flue gas
Outlet conduit, desulfurizing tower exhanst gas outlet pipeline input end are located at desulfurizing tower bottom centre position, desulfurizing tower exhanst gas outlet pipeline
Outlet side stretches out desulfurizing tower and connects bag filter inlet flue duct, is equipped with out on the outlet side of desulfurizing tower exhanst gas outlet pipeline
Mouth temperature sensor, outlet sulfur dioxide concentration sensor, bag filter inlet flue duct outlet side connects bag filter, cloth
The outlet side of bag dust collector connects chimney, the ash hole connection rotation feed of bag filter by exhanst gas outlet pipeline
Machine, screw conveyor, other two ash holes of bag filter respectively connect the second rotary feeder, the second conveyance conduit,
Desulphurization circulating ash dusts mouth, and desulfurization tower bottom is equipped with ash hole, is equipped with screw conveyor at ash hole, setting in the power control cabinet
There is PLC controller.
Wen's compound tube is made of 7 uniformly distributed Venturi tubes.
The atomising device, including mist pipe, one end of the mist pipe are provided with nozzle, the other end be connected with water pipe and
Air hose, air hose connect gas bag, and the water pipe connects water tank, stores purification water in water tank, the mist pipe is close to nozzle
One end is bent downwardly 90 °, and water pressure gauge is provided on the water pipe, and air gauge, the outside of mist pipe are provided on the air hose
Fixing sleeve is equipped with flange seat, and flange seat is fixed on desulfurizing tower, and flange seat includes cylinder, shell flange, companion flange, cylinder method
Orchid is welded on cylinder, and shell flange is bolted with companion flange.
The water pipe is equipped with water pump.
First conveyance conduit is equipped with the first roots blower.
Second conveyance conduit is equipped with the second roots blower.
The exhanst gas outlet pipeline is equipped with wind turbine.
The PLC controller and inlet temperature sensor, outlet temperature sensor, import sulfur dioxide concentration sensor,
Export sulfur dioxide concentration sensor, the first frequency converter, the second frequency converter, the electrical connection of third frequency converter, the first frequency converter and the
One rotary feeder is electrically connected, and the second frequency converter is electrically connected with the second rotary feeder, and third frequency converter is electrically connected with water pump.
The utility model has the beneficial effects that：The utility model provides a kind of downflow type semi-dry process flue gas desulphurization dedusting dress
It sets, avoids the occurrence of reunion, wet ash group and the slurry group of slurry drop, cause the viscous stifled of equipment, it is ensured that the normal operation of desulfation dust-extraction device,
Desulfurization and dedusting effect is good.
Compared with prior art, the utility model have the following advantages that, economic effect：
(1), tower top flue gas uses Wen's compound tube intake method, Wen's compound tube to be used for flue gas, desulfurizing agent, circulating ash
It is polymerize under one one diffusion of concentration of diffusion so that the mixed flue gas fair current of polymerization is uniformly entered in desulfurizing tower and carried out
Reaction.It is not added with water, no water droplet at Wen's compound tube, thus wet wall clogging will not occur at Wen's compound tube.
(2), the position that process water is added is located at the lower section of Wen's compound tube, and flue gas is downward by Wen's compound tube fair current,
The droplet that atomising device sprays is similarly that fair current is downward, and the meso-position radius that atomising device generates droplet is about 80 microns, makes gray surface
Moisture is in uniform film-form, and there is huge evaporating surface, the moisture evaporation of gray surface quickly, to make grey drying in time, avoid
There is the reunion of slurry drop, wet ash group and slurry group occur, causes the viscous stifled of equipment.
(3), the desulfurizing tower below atomising device is void tower, and high and diameter is big, and effect extends drop or particle
The evaporation drying time avoids the occurrence of the reunion of slurry drop, wet ash group and slurry group occurs, causes the viscous stifled of equipment.
(4), it not only contributes to carry between the operation temperature for controlling desulfurizing tower is 75~90 DEG C using automatic control system
High desulfurization efficiency, and reaction tower exit gas temperature is kept to stablize more than acid dew point, the reunion of slurry drop is avoided the occurrence of, is occurred
Wet ash group and slurry group cause the viscous stifled of equipment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of atomising device.
Fig. 3 is A direction views in Fig. 2.
Fig. 4 is the structural schematic diagram of Wen's compound tube.
Fig. 5 is the structural schematic diagram of single Venturi tube.
Fig. 6 is the functional block diagram of the utility model control system.
Fig. 7 is the structural schematic diagram of existing semi-dry desulphurization dust-extraction unit.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7,1. desulfurizing towers, 2. power control cabinets, 3. taper wind inlet sections, 4. mixing
Section, 5. Wen's compound tubes, 6. atomising devices, 7. calcium hydroxides dust mouth, and 8. desulphurization circulating ashes dust mouth, 9. first delivery pipes
Road, 10. first roots blowers, 11. calcium hydroxide dry powder storehouses, 12. second conveyance conduits, 13. second roots blowers, 14. desulfurization
Tower flue gas outlet conduit, 15. bag filter inlet flue ducts, 16. bag filters, 17. wind turbines, 18. exhanst gas outlet pipelines,
19. chimney, 20. screw conveyors, 21. inlet temperature sensors, 22. import sulfur dioxide concentration sensors, 23. outlet temperatures
Sensor, 24. outlet sulfur dioxide concentration sensors, 25. first frequency converters, 26. second frequency converters, 27. third frequency converters,
28.PLC controllers, 29. first rotary feeders, 30. second rotary feeders, 31. water pumps, 32. gas inlet pipelines, 33.
Aditus laryngis, 34. water jets, 51. Venturi tubes, 61. water pipes, 62. air hoses, 63. water pressure gauges, 64. air gauges, 65. mist pipes, 66.
Flange seat, 67. bolts, 68. nozzles, 69. cylinders, 610. shell flanges, 611. companion flanges, 612. water tanks, 613. gas bags.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, the utility model is that a kind of downflow type semi-dry process flue gas desulphurization removes
Dirt device, including desulfurizing tower 1, power control cabinet 2,1 top of the desulfurizing tower are provided with the taper air inlet of connection gas inlet pipeline 32
Section 3 is provided with calcium hydroxide on taper wind inlet section 3 and dusts mouth 7, for conveying calcium hydroxide desulfurizing agent, hydrogen-oxygen into desulfurizing tower 1
Change calcium and dust mouth 7 by the first rotary feeder 29 of the first transfer pipeline 9 connection, calcium hydroxide dry powder storehouse 11, ensures hydroxide
Calcium desulfurizing agent it is without interruption.
3 side wall of taper wind inlet section is equipped with inlet temperature sensor 21, import sulfur dioxide concentration sensor 22, import temperature
The temperature information that degree sensor 21 is used to detect flue gas into desulfurizing tower 1, import sulfur dioxide concentration sensor 22 is for detecting cigarette
Gas is provided with desulphurization circulating ash on the mixing section 4 of 3 lower part of taper wind inlet section and dusts into the sulfur dioxide concentration information of desulfurizing tower 1
Mouth 8, for conveying desulphurization circulating ash into desulfurizing tower 1.
The middle and upper part of desulfurizing tower 1 is provided with the atomising device 6 sprayed water into tower body, and atomized water is mainly used for Ca (OH)2
The humidification and smoke evaporative of powder cool down, and the temperature in desulfurizing tower 1 is made to reach 75 DEG C~90 DEG C of suitable reaction temperature.
Wen's compound tube 5 is provided in tower body between atomising device 6 and mixing section 4, Wen's compound tube 5 is used for
Flue gas, desulfurizing agent, circulating ash are polymerize under one one diffusion of concentration of diffusion so that the mixed flue gas of polymerization is uniform
It is reacted in into desulfurizing tower 1.
1 bottom of desulfurizing tower is equipped with desulfurizing tower exhanst gas outlet pipeline 14, and 14 input end of desulfurizing tower exhanst gas outlet pipeline is located at de-
1 bottom centre position of sulphur tower, the setting of 14 input end of desulfurizing tower exhanst gas outlet pipeline can be reduced in this position because of flue gas bias current
And causing 1 flow field of desulfurizing tower uneven, sour gas escapes the excessive and wet wall phenomenon in part, improves the stabilization of desulfuration efficiency and system
Property, the outlet side of desulfurizing tower exhanst gas outlet pipeline 14 stretches out desulfurizing tower 1 and connects bag filter inlet flue duct 15, desulfurizing tower cigarette
Outlet temperature sensor 23, outlet sulfur dioxide concentration sensor 24, outlet temperature are installed on the outlet side of gas outlet conduit 14
Degree sensor 23 is for detecting the temperature information that flue gas goes out desulfurizing tower 1, and outlet sulfur dioxide concentration sensor 24 is for detecting cigarette
Gas goes out the sulfur dioxide concentration information of desulfurizing tower 1.
15 outlet side of bag filter inlet flue duct connects bag filter 16, and the outlet side of bag filter 16 passes through cigarette
Gas outlet conduit 18 connects chimney 19, ash hole connection rotary feeder, the screw conveyor 20 of bag filter 16, cigarette
Gas enters bag filter 16, and calcium hydroxide, desulfurization slag, the dust in flue gas are filtered, and a part of desulfurization slag, dust are logical
It crosses screw conveyor 20 and is sent into ash cellar, the circulatory system is discharged.
Other two ash holes of bag filter 16 respectively connect the second rotary feeder 30, the second conveyance conduit 12,
Desulphurization circulating ash dusts mouth 8, is conveyed calcium hydroxide desulphurization circulating ash by the second rotary feeder 30, the second conveyance conduit 12
It dusts mouth 8 to desulphurization circulating ash, calcium hydroxide desulphurization circulating ash is sprayed into desulfurizing tower 1, by calcium hydroxide iterative cycles and flue gas
Contact, iterative cycles, calcium hydroxide utilization rate is high, and to improve desulfuration efficiency, the flue gas being discharged through bag filter 16 is then
Clean flue gas.
1 bottom of desulfurizing tower is equipped with ash hole, is equipped with screw conveyor 20 at ash hole, dust is sent by screw conveyor 20
Ash cellar.
One end of the atomising device 6, including mist pipe 65, the mist pipe 65 is provided with nozzle 68, other end connection
There are water pipe 61 and air hose 62, air hose 62 to connect gas bag 613, the water pipe 61 connects water tank 612, stored in water tank 612 net
Change water, the mist pipe 65 are bent downwardly 90 ° close to 68 one end of nozzle, and water pressure gauge 63 is provided on the water pipe 61, described
Air gauge 64 is provided on air hose 62, the outside fixing sleeve of mist pipe 65 is equipped with flange seat 66, and flange seat 66 is fixed on desulfurization
On tower 1, flange seat 66 includes cylinder 69, shell flange 610, companion flange 611, and shell flange 610 is welded on cylinder 69,
Shell flange 610 is connect with companion flange 611 by bolt 67.
The PLC controller 28 is passed with inlet temperature sensor 21, outlet temperature sensor 23, import sulfur dioxide concentration
Sensor 22, outlet sulfur dioxide concentration sensor 24, the first frequency converter 25, the second frequency converter 26, third frequency converter 27 are electrically connected
It connecing, the first frequency converter 25 is electrically connected with the first rotary feeder 29, and the second frequency converter 26 is electrically connected with the second rotary feeder 30,
Third frequency converter 27 is electrically connected with water pump 31.
First frequency converter 25 receives the sulfur dioxide concentration control signal that PLC controller 28 is sent out, and adjusts the first rotation and gives
The feeding coal of the calcium hydroxide of material machine 29 makes outlet sulfur dioxide concentration in 35mg/Nm3~50mg/Nm3Between.
Second frequency converter 26 receives the sulfur dioxide concentration control signal that PLC controller 28 is sent out, and adjusts the second rotation and gives
The feeding coal of the calcium hydroxide of material machine 30 makes outlet sulfur dioxide concentration in 35mg/Nm3~50mg/Nm3Between.
Third frequency converter 27 receives the temperature control signals that PLC controller 28 is sent out, and adjusts the pushing quantity of water pump 31, makes to take off
The temperature that sulphur tower 1 exports is between 75~90 DEG C.
The utility model prevents desulfurizer from blocking using four kinds of means.
First, tower top flue gas uses Wen's compound tube intake method, Wen's compound tube to be used for flue gas, desulfurizing agent, circulating ash
It is polymerize under one one diffusion of concentration of diffusion so that the mixed flue gas fair current of polymerization is uniformly entered in desulfurizing tower and carried out
Reaction.It is not added with water, no water droplet at Wen's compound tube, thus wet wall clogging will not occur at Wen's compound tube.
Second is that the position that process water is added is located at the lower section of Wen's compound tube, flue gas is downward by Wen's compound tube fair current,
The droplet that atomising device sprays is similarly that fair current is downward, and the meso-position radius that atomising device generates droplet is about 80 microns, makes gray surface
Moisture is in uniform film-form, and there is huge evaporating surface, the moisture evaporation of gray surface quickly, to make grey drying in time, avoid
There is the reunion of slurry drop, wet ash group and slurry group occur, causes the viscous stifled of equipment.
Third, the desulfurizing tower below atomising device is void tower, high and diameter is big, and effect extends drop or particle
The evaporation drying time avoids the occurrence of the reunion of slurry drop, wet ash group and slurry group occurs, causes the viscous stifled of equipment.
Fourth, using automatic control system, between the operation temperature for controlling desulfurizing tower is 75~90 DEG C, not only contribute to carry
High desulfurization efficiency, and reaction tower exit gas temperature is kept to stablize more than acid dew point, the reunion of slurry drop is avoided the occurrence of, is occurred
Wet ash group and slurry group cause the viscous stifled of equipment.
Claims (8)
1. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit, including desulfurizing tower (1), power control cabinet (2), it is characterised in that：Institute
The taper wind inlet section (3) that connection gas inlet pipeline (32) is provided at the top of desulfurizing tower (1) is stated, taper wind inlet section is arranged on (3)
There is calcium hydroxide to dust mouth (7), the calcium hydroxide mouth (7) that dusts passes through the first conveyance conduit (9) and connects the first rotary feeder
(29), calcium hydroxide dry powder storehouse (11), taper wind inlet section (3) side wall are equipped with inlet temperature sensor (21), import titanium dioxide
Sulfur concentration sensor (22) is provided with desulphurization circulating ash on the mixing section (4) of taper wind inlet section (3) lower part and dusts mouth (8), desulfurization
The middle and upper part of tower (1) is provided with the atomising device (6) sprayed water into tower body, between atomising device (6) and mixing section (4)
Wen's compound tube (5) is provided in tower body, 1 bottom of desulfurizing tower is equipped with desulfurizing tower exhanst gas outlet pipeline (14), and desulfurization tower flue gas goes out
Mouth pipeline (14) input end is located at desulfurizing tower (1) bottom centre position, and the outlet side of desulfurizing tower exhanst gas outlet pipeline (14) is stretched out
Desulfurizing tower (1) simultaneously connects bag filter inlet flue duct (15), is equipped on the outlet side of desulfurizing tower exhanst gas outlet pipeline (14)
Outlet temperature sensor (23), outlet sulfur dioxide concentration sensor (24), bag filter inlet flue duct (15) outlet side connect
Bag filter (16) is connect, the outlet side of bag filter (16) connects chimney (19), cloth bag by exhanst gas outlet pipeline (18)
Ash hole connection rotary feeder, the screw conveyor (20) of deduster (16), other two of bag filter (16)
Ash hole respectively connects the second rotary feeder (30), the second conveyance conduit (12), desulphurization circulating ash and dusts mouth (8), desulfurizing tower
(1) bottom is equipped with ash hole, and screw conveyor (20) is equipped at ash hole, PLC controller is provided in the power control cabinet (2)
(28)。
2. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that：The Wen
Compound tube (5) is made of 7 uniformly distributed Venturi tubes (51).
3. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that：The atomization
One end of device (6), including mist pipe (65), the mist pipe (65) is provided with nozzle (68), and the other end is connected with water pipe
(61) and air hose (62), air hose (62) connect gas bag (613), water pipe (61) the connection water tank (612), water tank (612)
Middle storage purification water, the mist pipe (65) are bent downwardly 90 ° close to nozzle (68) one end, are arranged on the water pipe (61)
There is water pressure gauge (63), air gauge (64) is provided on the air hose (62), the outside fixing sleeve of mist pipe (65) is equipped with flange
Seat (66), flange seat (66) are fixed on desulfurizing tower (1), and flange seat (66) includes cylinder (69), shell flange (610), pairing
Flange (611), shell flange (610) are welded on cylinder (69), and shell flange (610) passes through bolt with companion flange (611)
(67) it connects.
4. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit according to claim 3, it is characterised in that：The water pipe
(61) it is equipped with water pump (31).
5. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that：Described first
Conveyance conduit (9) is equipped with the first roots blower (10).
6. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that：Described second
Conveyance conduit (12) is equipped with the second roots blower (13).
7. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that：The flue gas
Outlet conduit (18) is equipped with wind turbine (17).
8. a kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit according to claim 1, it is characterised in that：The PLC
Controller (28) and inlet temperature sensor (21), outlet temperature sensor (23), import sulfur dioxide concentration sensor (22),
Outlet sulfur dioxide concentration sensor (24), the first frequency converter (25), the second frequency converter (26), third frequency converter (27) are electrically connected
It connects, the first frequency converter (25) is electrically connected with the first rotary feeder (29), the second frequency converter (26) and the second rotary feeder
(30) it is electrically connected, third frequency converter (27) is electrically connected with water pump (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721910006.8U CN207928910U (en) | 2017-12-29 | 2017-12-29 | A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721910006.8U CN207928910U (en) | 2017-12-29 | 2017-12-29 | A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207928910U true CN207928910U (en) | 2018-10-02 |
Family
ID=63647668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721910006.8U Expired - Fee Related CN207928910U (en) | 2017-12-29 | 2017-12-29 | A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207928910U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772967A (en) * | 2019-11-14 | 2020-02-11 | 西安交通大学 | Rotary flue gas semi-dry desulfurization device adaptive to air volume fluctuation |
| CN110898657A (en) * | 2019-03-07 | 2020-03-24 | 安徽欣创节能环保科技股份有限公司 | Multi-point powder spraying desulfurization system based on SDA method |
| CN111659231A (en) * | 2019-03-06 | 2020-09-15 | 中国石油化工股份有限公司 | Flue gas desulfurization and fog dispersal device |
| CN111804131A (en) * | 2020-07-30 | 2020-10-23 | 威海市正大环保设备股份有限公司 | Two-stage desulfurization technology with downstream ash curtain |
-
2017
- 2017-12-29 CN CN201721910006.8U patent/CN207928910U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659231A (en) * | 2019-03-06 | 2020-09-15 | 中国石油化工股份有限公司 | Flue gas desulfurization and fog dispersal device |
| CN111659231B (en) * | 2019-03-06 | 2022-03-08 | 中国石油化工股份有限公司 | Flue gas desulfurization and fog dispersal device |
| CN110898657A (en) * | 2019-03-07 | 2020-03-24 | 安徽欣创节能环保科技股份有限公司 | Multi-point powder spraying desulfurization system based on SDA method |
| CN110772967A (en) * | 2019-11-14 | 2020-02-11 | 西安交通大学 | Rotary flue gas semi-dry desulfurization device adaptive to air volume fluctuation |
| CN111804131A (en) * | 2020-07-30 | 2020-10-23 | 威海市正大环保设备股份有限公司 | Two-stage desulfurization technology with downstream ash curtain |
| CN111804131B (en) * | 2020-07-30 | 2022-02-15 | 威海市正大环保设备股份有限公司 | Downstream ash curtain two-stage desulfurization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207928910U (en) | A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit | |
| CN105107364B (en) | Suitable for the flue gas desulphurization system of concurrent spray semidry method | |
| CN100493669C (en) | Smoke gas purification dust removing device and the technique thereof | |
| CN102784556B (en) | Homogeneous flow-field circulating fluidized bed flue gas desulfurization technology | |
| CN105617861B (en) | A kind of dry powder adsorbent flue injection removing SO3Equipment | |
| CN207385185U (en) | NID semi-dry process flue gas desulphurization systems | |
| CN211936362U (en) | Multi-point powder spraying desulfurization system based on SDA method | |
| CN102794090A (en) | Flue gas purifier utilizing combination of spray-drying method and hydrated lime powder injection | |
| CN216909833U (en) | Semidry method flue gas desulfurization device | |
| CN204996310U (en) | Coke oven flue gas SOx/NOx control unites purifier | |
| CN201302374Y (en) | Selective desulfurization device for flue gas of sintering machine head | |
| CN103816775A (en) | Maintenance-free semidry flue gas desulphurization absorbing tower | |
| CN204865513U (en) | Coal fired boiler flue gas desulfurization denitration equipment | |
| CN206152607U (en) | High -speed rotatory countercurrent contact gas cleaning device of domestic waste | |
| CN202506310U (en) | Garbage-incinerated flue gas purification-combined deacidification system | |
| CN202823129U (en) | Flue gas cleaning device of spray drying method combined with hydrated lime powder spraying | |
| CN105889960A (en) | Flue gas desulfurization device for coal-fired boiler | |
| CN201978669U (en) | Dual-spray-gun flue gas desulfurization device for circulating fluidized bed | |
| CN201384927Y (en) | Flue gas desulphurization device of circulating fluidized bed | |
| CN202191838U (en) | Flue gas disposing device of coal-fired industrial boiler | |
| CN204513432U (en) | A kind of incinerator smoke denitration in the stove wet desulphurization device | |
| CN211676930U (en) | Combined micron-sized dry fog dust-settling purification device | |
| CN108097017A (en) | A kind of sintering device flue gas wet desulphurization urea liquid direct-injection denitrification apparatus | |
| CN207980853U (en) | A kind of flue gas desulfurization and denitrification equipment | |
| CN206152622U (en) | Domestic waste torrent recirculated flue gas purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |