CN204601973U - A kind of Novel wet-type desulphurization dust removal device - Google Patents
A kind of Novel wet-type desulphurization dust removal device Download PDFInfo
- Publication number
- CN204601973U CN204601973U CN201420691981.4U CN201420691981U CN204601973U CN 204601973 U CN204601973 U CN 204601973U CN 201420691981 U CN201420691981 U CN 201420691981U CN 204601973 U CN204601973 U CN 204601973U
- Authority
- CN
- China
- Prior art keywords
- main casing
- dust removal
- removal device
- inlet passage
- novel wet
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003517 fume Substances 0.000 claims abstract description 26
- 238000005507 spraying Methods 0.000 claims description 29
- 230000035807 sensation Effects 0.000 claims description 17
- 230000010006 flight Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 19
- 239000003546 flue gas Substances 0.000 abstract description 19
- 230000003009 desulfurizing Effects 0.000 abstract description 17
- 238000006477 desulfuration reaction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000903 blocking Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 14
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 239000000779 smoke Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 235000010269 sulphur dioxide Nutrition 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000009874 alkali refining Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
A kind of Novel wet-type desulphurization dust removal device that the utility model provides; Comprise main casing, stent foot, exhaust outlet, fume inlet passage, cone, water inlet, sprinkler part and delivery port; Wherein main casing is arranged on stent foot, the top of main casing is connected with exhaust outlet, cone is connected with bottom it, fume inlet passage gos deep into cone from the side of main casing, there is water inlet the middle and upper part of main casing, water inlet connects the sprinkler part of main casing inside by pipeline, and there is delivery port the middle lower end of main casing, and the vertical height of delivery port is less than the exit of fume inlet passage.Collection smokes elimination, desulfurization, denitrogenation, dedusting, the dewatering integrated Technology design simultaneously completed, rationally, inner less scaling blocking, flue gas is not with water to design for simple and compact for structure, technological process.
Description
Technical field
The utility model belongs to chemical industry cleaner field, particularly relates to a kind of Novel wet-type desulphurization dust removal device.
Background technology
Current flue gas desulfurization technique kind reaches tens kinds, and whether add water by sweetening process and the dry wet form of desulfurization product, flue gas desulfurization is divided into: wet method, semidry method, dry method three major types sulfur removal technology.Be subdivided into acid-alkali refining again, acid treating, alkali refining, biological desulphurization, solvent extraction etc.Existing brick field desulfurizing dust-collector, main employing wet desulfurization methods, wet desulfurizing dust-remover is very general in sulfurous gas field of purification, its general principle is generally adopt spray alkaline solution or be furnished with alkaline solution moisture film on dedusting wall or dividing plate, flue gas certain speed impacts water film surface and reacts with it, reaches the object of dust-removal and desulfurizing.Traditional cyclone dust collectors, as elementary cleaner, can only remove grit substantially, inoperative to the sulphur purification in sulfurous gas, so add water film dedusting to reach desulfidation.But cyclone dust removal is just arranged on below deduster simply by the method that most of whirlwind wet desulphurization adopts in deduster body, the spray equipment of gas after cyclone dust removal again above deduster body carries out alkaline solution spray and reaches desulfurization and dedusting object, and the contact surface of flue gas and moisture film is limited to thus affects the contact chemical reaction of SO2 and water.Moreover nozzle is arranged on device inner top mostly, need to establish washer jet to reduce the corrosion of slurries to nozzle.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of Novel wet-type desulphurization dust removal device, this Novel wet-type desulphurization dust removal device fully contacts moisture film face when dusty gas is moved downward from air inlet, improve desulfuration efficiency, alkali lye nozzle when falling is washed, and decreases the device of washer jet.In addition, the packing layer be provided with adsorbs the gas after demist dehumidifying, improves the service efficiency of packing layer while increasing adsorption area.
The utility model is achieved by the following technical programs.
A kind of Novel wet-type desulphurization dust removal device that the utility model provides; Main casing, stent foot, exhaust outlet, fume inlet passage, cone, water inlet, sprinkler part and delivery port; Wherein main casing is arranged on stent foot, the top of main casing is connected with exhaust outlet, cone is connected with bottom it, fume inlet passage gos deep into cone from the side of main casing, there is water inlet the middle and upper part of main casing, water inlet connects the sprinkler part of main casing inside by pipeline, and there is delivery port the middle lower end of main casing, and the vertical height of delivery port is less than the exit of fume inlet passage.
The top of main casing also has demister, and demister is arranged on the top of sprinkler part.
Spiral flow spoiler is had in the tube wall of described fume inlet passage.
Described spiral flow spoiler is made up of three flights and a central shaft.
Described fume inlet passage exit also have sieve screen apertures flow distribution plate.
Described sieve screen apertures flow distribution plate is a disk larger than fume inlet passage bore, and it spreads all over steam vent.
Described cone also has observation panel.
Described sprinkler part is made up of major trunk roads, six roots of sensation branch road and six roots of sensation single spraying shower pipe, and single spraying shower pipe has shower nozzle, and six roots of sensation single spraying shower pipe is connected to six roots of sensation branch road, and six roots of sensation single spraying shower pipe is in the circular permutation of rule.
Described single spraying shower pipe there are three shower nozzles, meet and discuss at the port of single spraying shower pipe for one, to meet and discuss in single spraying shower pipe lower end and in 90 ° of angles, six shower nozzles at the port of single spraying shower pipe point to the center of circle of the circular permutations of six roots of sensation single spraying shower pipe for another two.
Above-mentioned all parts are all make by glass-reinforced plastic material or material adding painting corrosion-inhibiting coating.
The beneficial effects of the utility model are:
1, collect smokes elimination, desulfurization, denitrogenation, dedusting, the dewatering integrated Technology design simultaneously completed, simple and compact for structure, technological process rationally, inner less scaling blocking, flue gas is not with water to design;
2, device interior effective area utilization rate reaches 100% design, makes the sulfur dioxide in flue dust and flue gas all be dissolved in alkaline aqueous solution completely in whole purification process, reaches the effect of efficient mass transfer;
3, application is efficiently outer spatters jet atomization design, and device interior designs without consumable accessory, ensures the most efficient desulfurization and dedusting;
4, flue gas and the most sufficient mass transport process of alkaline solution is formed, to ensure to reach the most efficient desulfurization and dedusting;
5, manufactured materials adopts Corrosion Protection of Fiber Reinforced Plastics, ensure that the anticorrosion of equipment;
6, ensure the gasification of certain liquid, stable sulfur dioxide absorption rate, control ph value about 10 25% sig water as sulphur dioxide absorbent.Not volatile, lose little, realize that desulfuration efficiency is high, effect stability, also efficiently solve device interior dust stratification, scale problems;
7, the exhaust gases passes design that device interior is unimpeded, flue gas trend do not have dead angle, reduce the hot resistance of flue gas, ensure the effect under design conditions, do not affect the operation of the combustion apparatus such as boiler;
8, the circulating double-alkali desulfurization principle of simple and efficient, takes full advantage of the spent lye of plant produced, the treatment of wastes with processes of wastes against one another, comprehensive utilization, reduction operating cost, alkaline water closed cycle use, water reuse rate 100%, realizes without secondary wastewater disposal of pollutants.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model spiral flow spoiler.
Fig. 3 is the top view of the utility model sieve screen apertures flow distribution plate.
Fig. 4 is the top view of the utility model sprinkler part.
Fig. 5 is the front view of the utility model single spraying shower pipe.
Fig. 6 is the left view of the utility model single spraying shower pipe.
In figure: 1-main casing, 2-stent foot, 3-exhaust outlet, 4-fume inlet passage, 5-cone, 6-water inlet, 7-sprinkler part, 71-major trunk roads, 72-branch road, 73-single spraying shower pipe, 8-delivery port, 9-demister, 10-spiral flow spoiler, 11-sieve screen apertures flow distribution plate, 12-observation panel.
Detailed description of the invention
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
Embodiment one
As shown in Figure 1, a kind of Novel wet-type desulphurization dust removal device; Main casing 1, stent foot 2, exhaust outlet 3, fume inlet passage 4, cone 5, water inlet 6, sprinkler part 7 and delivery port 8; Wherein main casing 1 is arranged on stent foot 2, the top of main casing 1 is connected with exhaust outlet 3, cone 5 is connected with bottom it, fume inlet passage 4 gos deep into cone 5 from the side of main casing 1, there is water inlet 6 middle and upper part of main casing 1, water inlet 6 connects the sprinkler part 7 of main casing 1 inside by pipeline, and there is delivery port 8 the middle lower end of main casing 1, and the vertical height of delivery port 8 is less than the exit of fume inlet passage 4.
This Novel wet-type desulphurization dust removal device in use, first cone 5 is filled akaline liquid, vertical height due to delivery port 8 is less than the exit of fume inlet passage 4, so this akaline liquid can not flood the outlet of fume inlet passage 4, then water inlet 6 is had access to the water pipe of water pump, water pipe water inlet also accesses with the pond of identical akaline liquid in centrum 5, and with water pipe, this pond is connected with delivery port 8, first start water pump, then open and carry out work, its cigarette of discharging enters in this Novel wet-type desulphurization dust removal device by fume inlet passage 4; First set reaction is out contact with the alkaline gas of the conical surface 5 from the delivery port of cigarette channel 4, carries out sulfur dioxide and akaline liquid reacts, and this liquid can absorb a small amount of dust simultaneously; Then flue gas rising runs into the alkalescence spraying of sprinkler part 7 ejection at main casing 1, there is second time reaction, remaining sulfur dioxide and akaline liquid react, in flue gas, remaining dust and spraying form the water smoke of larger parcel dust simultaneously, and this water smoke part can drop in centrum 5 because of the effect of gravity.The standard of country's discharge can be met from exhaust opening 3 gas out, this equipment collection smoke elimination, desulfurization, denitrogenation, dedusting, the dewatering integrated Technology design simultaneously completed, simple and compact for structure, technological process is reasonable, and inner less scaling blocking, flue gas is not with water to design.
Embodiment two
As shown in Figure 1, the major part of this embodiment is identical with embodiment one, and its difference is: add demister 9 at the top of main casing 1, and demister 9 is arranged on the top of sprinkler part 7.The effect of these parts is: rising at flue gas runs into the alkalescence spraying of sprinkler part 7 ejection at main casing 1, there is second time reaction, remaining sulfur dioxide and akaline liquid react, in flue gas, remaining dust and spraying form the water smoke of larger parcel dust simultaneously, this water smoke part can drop in centrum 5 because of the effect of gravity, greatly can because gas flow direction be upwards taken out of outside this this Novel wet-type desulphurization dust removal device but also have, this demister 9 is set, the water smoke containing being divided into can be blocked, make the gas sprayed from exhaust opening 3 not containing dust.
Embodiment three
As depicted in figs. 1 and 2, the major part of this embodiment and embodiment one or implement two identical, its difference is: add spiral flow spoiler 10 in the tube wall of fume inlet passage 4, and this spiral flow spoiler 10 is made up of four flights and a central shaft.Its effect is the gas flow direction changing band desulfurization and dedusting flue gas, makes it in the akaline liquid of centrum 5, form the water nest revolving nest shape, increases the contact area of this flue gas and akaline liquid, make desulfurization and dedusting better.
Embodiment four:
As shown in Figure 1, 2, 3, the major part of this this embodiment is identical with embodiment three, its difference is: fume inlet passage 4 exit also have sieve screen apertures flow distribution plate 11, sieve screen apertures flow distribution plate 11 is a disk larger than fume inlet passage 4 bore, and it spreads all over steam vent.It changes the flow direction of flue gas by spiral flow spoiler 10, the flow velocity of gas is changed by the steam vent of sieve screen apertures flow distribution plate 11, make its from fume inlet passage 4 the large and direction disunity of exit gas flow rate out, its gas is at the darker water nest of the akaline liquid surface blowout of cone 5, and agitate irregular water wave, further add contact area and the time of contact of this gas and akaline liquid, this akaline liquid is absorbed more thorough.
Embodiment five
As shown in Figure 1, 2, 3, the above-mentioned any embodiment of major part of this this embodiment is identical, and its difference is: in cone 5, also have observation panel 12, is convenient to akaline liquid water surface elevation and the solution quality of observing centrum 5.
Embodiment six
As shown in figs. 1 to 6, the above-mentioned any embodiment of major part of this this embodiment is identical, its difference is: described sprinkler part 7 is by major trunk roads 71, six roots of sensation branch road 72 and six roots of sensation single spraying shower pipe 73 form, single spraying shower pipe 73 there is shower nozzle, six roots of sensation single spraying shower pipe 73 is connected to six roots of sensation branch road 72, and six roots of sensation single spraying shower pipe 73 is in the circular permutation of rule, single spraying shower pipe 73 there are three shower nozzles, meet and discuss at the port of single spraying shower pipe 73 for one, to meet and discuss in single spraying shower pipe 73 lower end and in 90 ° of angles for another two, six shower nozzles at the port of single spraying shower pipe 73 point to the center of circle of the circular permutation of six roots of sensation single spraying shower pipe 73, and the angular bisector of the angle between two shower nozzles straight down, the alkaline water smoke that this design enables sprinkler part 7 spray any one region in uniformly dispersing main casing 1, strengthens contact area and the time of flue gas and alkaline water smoke further, makes desulfurization and dedusting better effects if.
Meanwhile, in above-described embodiment, in order to improve the service life of equipment, above-mentioned all parts are all make by corrosion resistant glass-reinforced plastic material or material apply corrosion-inhibiting coating.
Claims (8)
1. a Novel wet-type desulphurization dust removal device, is characterized in that: comprise main casing (1), stent foot (2), exhaust outlet (3), fume inlet passage (4), cone (5), water inlet (6), sprinkler part (7) and delivery port (8); Wherein main casing (1) is arranged on stent foot (2), the top of main casing (1) is connected with exhaust outlet (3), cone (5) is connected with bottom it, fume inlet passage (4) gos deep into cone (5) from the side of main casing (1), there is water inlet (6) middle and upper part of main casing (1), water inlet (6) connects the inner sprinkler part (7) of main casing (1) by pipeline, there is delivery port (8) the middle lower end of main casing (1), and the vertical height of delivery port (8) is less than the exit of fume inlet passage (4).
2. Novel wet-type desulphurization dust removal device as claimed in claim 1, is characterized in that: the top of main casing (1) also has demister (9), and demister (9) is arranged on the top of sprinkler part (7).
3. Novel wet-type desulphurization dust removal device as claimed in claim 1, is characterized in that: have spiral flow spoiler (10) in the tube wall of described fume inlet passage (4).
4. Novel wet-type desulphurization dust removal device as claimed in claim 3, is characterized in that: described spiral flow spoiler (10) is made up of three flights and a central shaft.
5. the Novel wet-type desulphurization dust removal device as described in claim 1 or 3, is characterized in that: described fume inlet passage (4) exit also have sieve screen apertures flow distribution plate (11).
6. Novel wet-type desulphurization dust removal device as claimed in claim 5, is characterized in that: described sieve screen apertures flow distribution plate (11) is a disk larger than fume inlet passage (4) bore, and it spreads all over steam vent.
7. Novel wet-type desulphurization dust removal device as claimed in claim 1, is characterized in that: described cone (5) is upper also has observation panel (12).
8. Novel wet-type desulphurization dust removal device as claimed in claim 1, it is characterized in that: described sprinkler part (7) is made up of major trunk roads (71), six roots of sensation branch road (72) and six roots of sensation single spraying shower pipe (73), (73) have shower nozzle to single spraying shower pipe, six roots of sensation single spraying shower pipe (73) is connected to six roots of sensation branch road (72), and six roots of sensation single spraying shower pipe (73) is in the circular permutation of rule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691981.4U CN204601973U (en) | 2014-11-18 | 2014-11-18 | A kind of Novel wet-type desulphurization dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691981.4U CN204601973U (en) | 2014-11-18 | 2014-11-18 | A kind of Novel wet-type desulphurization dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204601973U true CN204601973U (en) | 2015-09-02 |
Family
ID=53954563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420691981.4U Expired - Fee Related CN204601973U (en) | 2014-11-18 | 2014-11-18 | A kind of Novel wet-type desulphurization dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204601973U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477967A (en) * | 2015-12-25 | 2016-04-13 | 史玉库 | Wet type flue gas desulfurization dust remover |
| CN105536491A (en) * | 2015-09-17 | 2016-05-04 | 大唐环境产业集团股份有限公司 | Desulfuration spray tower |
| CN105617797A (en) * | 2016-03-11 | 2016-06-01 | 常熟市金成机械有限公司 | Novel simple wet method dust remover |
| CN105688548A (en) * | 2016-01-29 | 2016-06-22 | 河南农业大学 | Purifier for smoke of biomass stove |
| CN111644061A (en) * | 2020-06-15 | 2020-09-11 | 碧水蓝天环境工程有限公司 | Wet-type dual-alkali desulfurization dust collector |
-
2014
- 2014-11-18 CN CN201420691981.4U patent/CN204601973U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536491A (en) * | 2015-09-17 | 2016-05-04 | 大唐环境产业集团股份有限公司 | Desulfuration spray tower |
| CN105477967A (en) * | 2015-12-25 | 2016-04-13 | 史玉库 | Wet type flue gas desulfurization dust remover |
| CN105688548A (en) * | 2016-01-29 | 2016-06-22 | 河南农业大学 | Purifier for smoke of biomass stove |
| CN105617797A (en) * | 2016-03-11 | 2016-06-01 | 常熟市金成机械有限公司 | Novel simple wet method dust remover |
| CN111644061A (en) * | 2020-06-15 | 2020-09-11 | 碧水蓝天环境工程有限公司 | Wet-type dual-alkali desulfurization dust collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204601973U (en) | A kind of Novel wet-type desulphurization dust removal device | |
| CN204710096U (en) | A kind of spray type desulfurization absorption tower | |
| CN108211732A (en) | A kind of desulphurization plant | |
| CN207786313U (en) | Smoke multistage high-effective dust-removing demister | |
| CN106348373B (en) | A kind of waste water evaporation equipment and method of wastewater treatment and device | |
| CN104190190A (en) | Dedusting and desulfurization integrated machine | |
| CN208449022U (en) | Precision desulfurizing filter | |
| CN205055807U (en) | Coke oven low -sulfur tail gas desulfurization dust collector | |
| CN207871876U (en) | A kind of wet desulphurization swirling flow atomizing spray equipment | |
| CN204051344U (en) | A kind of dusting desulfurizing integrated machine | |
| CN103990374A (en) | Novel desulfurization, denitrification, decarburization and dust removal purification combined device for coal-fired flue gas | |
| CN205796820U (en) | A kind of desulfurating dust-removing equipment | |
| CN2843595Y (en) | Multi-stage spiral-plate leaf desulfurizing dust collector | |
| CN209968001U (en) | Waste gas purification tower | |
| CN209155509U (en) | A kind of novel double-channel formula ammonia type flue gas desulfurizing gas wash tower | |
| CN103816792A (en) | Corrugated packing type graded water film dust remover with smoke abatement and desulfurization functions | |
| CN208032269U (en) | A kind of absorption tower for sulfur removal technology | |
| CN207203768U (en) | A kind of smoke desulfurizing dust-remover for boiler | |
| CN203737099U (en) | Corrugated packing type staged water-film smoke suppression and desulphurization dust precipitator | |
| CN102657985A (en) | Smoke sulfur-removing and dust-removing system | |
| CN202161916U (en) | Flue gas desulfurization spraying equipment | |
| CN103816775A (en) | Maintenance-free semidry flue gas desulphurization absorbing tower | |
| CN211098371U (en) | Spray even desulfurizing tower | |
| CN209173717U (en) | A kind of rotating spraying semidry process desulfurizer | |
| CN208711402U (en) | A kind of high-efficiency multi-stage spraying foam dust-removing desulfurating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20161118 |