CN202909586U - Spiral venturi washer and wet-method desulfuration and denitration dust removal system - Google Patents
Spiral venturi washer and wet-method desulfuration and denitration dust removal system Download PDFInfo
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- CN202909586U CN202909586U CN2012205889600U CN201220588960U CN202909586U CN 202909586 U CN202909586 U CN 202909586U CN 2012205889600 U CN2012205889600 U CN 2012205889600U CN 201220588960 U CN201220588960 U CN 201220588960U CN 202909586 U CN202909586 U CN 202909586U
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Abstract
The utility model discloses a spiral venturi washer which comprises a venturi tube and a first water seal type water draining device, wherein the venturi tube comprises a reducer, a compressed throat tube and a spiral increaser which are connected in sequence; a first spray washing device and a second spray washing device are respectively arranged in the reducer and the spiral increaser; and a water outlet connected with the water seal type water draining device is formed in the bottom of the washer. The utility model further discloses a wet-method desulfuration and denitration dust removal system which comprises a main desulfuration dust removal tower, an auxiliary desulfuration dust removal tower, a dewaterer and the spiral venturi washer, wherein the washer is communicated with the bottom end of the main desulfuration dust removal tower through a connecting flue duct; the top of the main desulfuration dust removal tower is communicated with that of the auxiliary desulfuration dust removal tower through the dewaterer; and the gas inlet of the auxiliary desulfuration dust removal tower is higher than the bottom surface of the dewaterer. The spiral venturi washer and the wet-method desulfuration, denitration dust removal system have the advantages of smaller size, lower energy consumption, high dust removal coefficient, good desulfuration and denitration effect and the like.
Description
Technical field
The utility model relates to industrial degassed dedusting field, relates in particular to the out of stock dust pelletizing system of a kind of Venturi scrubber and desulfurization.
Background technology
The degassed cleaner of industry is widely used in various industrial and mining enterprises, and for example various industrial dust-laden sulfur-bearings are contained the niter air body carries out washing, purifying; Granted publication number discloses a kind of Venturi tube type gas washer for the Chinese patent literature of CN202237668, by it as can be known, traditional Venturi scrubber volume is larger, energy consuming ratio is larger, although have certain efficient at boiler, kiln and corresponding desulfur denitrate dust collecting system, but affected by construction site condition etc. and transform the minor axis venturi system as, cause gas treatment efficient greatly to reduce, especially the gas-liquid separation degree is not high, be difficult to reach industrial requirements, accordingly, also there is such problem in traditional desulfur denitrate dust collecting system.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of small volume, energy consumption is low, dust removal efficiency is high spiral Venturi scrubber are provided, and correspondingly provide the wet desulphurization denitration dust collecting system that comprises this spiral Venturi scrubber that a kind of desulfurization off sulfide effect is good, dust removal efficiency is high.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is a kind of spiral Venturi scrubber, comprise Venturi tube and the first hydrolock drainage arrangement, described Venturi tube is connected in sequence by collapsible tube, compression trunnion and spiral increaser, be provided with the first spray washing device in the described collapsible tube, be provided with the second spray washing device in the described spiral increaser pipeline, described spiral Venturi scrubber bottom has the delivery port that can be connected with the first hydrolock drainage arrangement.
In the above-mentioned spiral Venturi scrubber, described Venturi tube is particularly preferably horizontal Venturi tube, and described spiral increaser is particularly preferably horizontal spiral formula increaser.This preferred design is not only broken the normal procedure, and can effectively overcome the limitation of existing construction site, reaches better cleaning dust effect.
In the above-mentioned spiral Venturi scrubber, preferably, the installation site of described the first spray washing device accounts for 1/3～1/2 of described collapsible tube horizontal length to the horizontal range of described collapsible tube porch, and the shower nozzle of described the first spray washing device is vertically arranged at the interval.
In the above-mentioned spiral Venturi scrubber, preferred, the shower nozzle of described the second spray washing device is laid in the top of spiral increaser along the hand of helix of spiral increaser.
As the further improvement to above-mentioned spiral Venturi scrubber, described spiral Venturi scrubber also comprises a spiral scrubbing tower, described spiral scrubbing tower comprises the washing tower body that is formed by stacking by the upper cylindric cavity of two different inner diameters and lower cylindric cavity, described cylindric cavity is positioned at the top of spiral increaser, described lower cylindric cavity is arranged on the central area of spiral increaser, the gas approach of described spiral scrubbing tower is located on the outer wall of lower cylindric cavity, and is communicated with the outlet of spiral increaser; The exhaust pass of described spiral scrubbing tower is located on the outer wall of cylindric cavity, is provided with the 3rd spray washing device in the described washing tower body.Exhaust pass can preferably be connected with the desulfurization and dedusting king-tower by a horizontally disposed connection flue.At this moment, above-mentioned spiral increaser is positioned at the below of cylindric cavity, and the outer wall energy of spiral increaser plays the load-bearing effect to the washing tower body, simultaneously, the inwall of spiral increaser then is coated on the periphery of lower cylindric cavity, and the outer wall that its inwall can be used as lower cylindric cavity shares.Preferably, the shower nozzle of described the 3rd spray washing device specifically is installed in cylindric cavity and the connection transition position that is connected cylindric cavity, and injection direction is towards lower cylindric cavity.
As a total technical conceive, the utility model also provides a kind of wet desulphurization denitration dust collecting system, described wet desulphurization denitration dust collecting system comprises desulfurization and dedusting king-tower, desulfurization and dedusting secondary tower, dehydrator and above-mentioned spiral Venturi scrubber, and described spiral Venturi scrubber is connected with the bottom of described desulfurization and dedusting king-tower by connecting flue; Described desulfurization and dedusting king-tower top is communicated with the top of described desulfurization and dedusting secondary tower by described dehydrator, and the air inlet of described desulfurization and dedusting secondary tower is higher than the bottom surface of described dehydrator (to play the dash effect).
In the above-mentioned wet desulphurization denitration dust collecting system, preferably, be provided with successively from the bottom up overflow tank, annular feed pipe, washing spiral board and dehydration spiral board in the described desulfurization and dedusting king-tower, described overflow tank offers the hydrolock overfall at described desulfurization and dedusting king-tower tower wall, and described desulfurization and dedusting king-tower bottom has a delivery port that can be connected with the hydrolock drainage arrangement.
In the above-mentioned wet desulphurization denitration dust collecting system, preferred, described wet desulphurization denitration dust collecting system inner chamber is a sealed system, and described desulfurization and dedusting secondary tower bottom is provided with air-introduced machine and makes formation negative pressure in the described wet desulphurization denitration dust collecting system.Described desulfurization and dedusting secondary tower top is provided with supporting bracket, and both sides are provided with the flue side stand component, and described air-introduced machine outlet is connected with flue collector and chimney by bypass flue.
In the above-mentioned wet desulphurization denitration dust collecting system, preferably, described dehydrator is a low-resistance eddy current type dehydrator, comprise exhaust gases passes and a horizontal scroll casing shape dehydration passage, described exhaust gases passes is communicated with the top of described desulfurization and dedusting king-tower, described horizontal scroll casing shape dehydration channel outlet is communicated with the air inlet at described desulfurization and dedusting secondary tower top, and described horizontal scroll casing shape dehydration passage bottom has a discharge outlet that can be connected with the hydrolock drainage arrangement.
Compared with prior art, the utility model has the advantage of:
1, the spray washing device that the spiral Venturi scrubber that the utility model proposes adds in the collapsible tube position cooperates the multichannel venturi tube structure, atomizing, cooling efficient height, and it is large to process the gas flow amplitude, and gas-flow resistance is little, saves the device space; Gas is flow at high speed under the effect of air-introduced machine, imports in the Venturi tube by connecting the air channel, and air velocity is faster, and the centrifugal force of generation is larger, and hanging drop, solid grit are subjected to centrifugal action effect better in the air-flow; In addition, adopted horizontal spiral formula increaser in the spiral Venturi scrubber that the utility model proposes, when gas enters, be subjected to the prolongation swirling motion of horizontal spiral formula increaser and the water in spray washing device collision acting in conjunction, Effective Raise water droplet in the gas and the removal efficient of grit; And at the peripheral further preferred spiral scrubbing tower that arranges of horizontal spiral formula increaser, utilize the inertia of ascending air, the landing all around along parabolic shape to inner wall of tower with the water droplet in the gas and grit, and be attached to inner wall of tower and form current, under Action of Gravity Field, flow to the bottom, discharge by the hydrolock drainpipe that the bottom arranges, therefore, the water in the drainpipe is not subjected to the effect of air-introduced machine and discharges smooth and easy.
2, the wet desulphurization denitration dust collecting system that the utility model proposes, after the air-flow process desulfurization and dedusting king-tower preliminary hydro-extraction through spiral Venturi scrubber, enter low-resistance eddy current type dehydrator by exhaust gases passes along tangential direction, utilize the prolongation swirling motion of scroll casing shape dehydration passage to form eddy current, make that finely divided suspension drips in the air-flow, the solid grit is subjected to the inertial centrifugal effect, be thrown toward and be attached on the eddy current dehydrator wallboard, thereby further isolate drop and dust in the air-flow, and the water that process low-resistance eddy current dehydrator is deviate from, under Action of Gravity Field, flow into the water treatment settling tank by the water seal drainage pipe, and the air-flow after the dehydration is the centripetal desulfurization and dedusting secondary tower that is moved into.
In general, spiral Venturi scrubber of the present utility model and wet desulphurization denitration dust collecting system all have very excellent dehydration, desulfurization, out of stock and dust removing effects, have boundless application prospect in the process field of the pollutants such as flue gas.
Description of drawings
Fig. 1 is the structural representation (main looking) of wet desulphurization denitration dust collecting system among the utility model embodiment.
Fig. 2 is the structural representation (overlooking) of wet desulphurization denitration dust collecting system among the utility model embodiment.
Fig. 3 is the echelon sectional view (amplify the part of one-sided spiral Venturi scrubber part) at A-A place among Fig. 2.
Fig. 4 is the echelon sectional view (amplify the part of one-sided spiral Venturi scrubber part) at B-B place among Fig. 1.
Fig. 5 is the cutaway view (amplify the part of one-sided spiral Venturi scrubber part) at C-C place among Fig. 1.
Fig. 6 is the cutaway view (amplify the part of one-sided spiral case dehydrator part) at D-D place among Fig. 1.
Fig. 7 is the echelon sectional view (amplify the part of one-sided spiral case dehydrator part) at E-E place among Fig. 2.
Fig. 8 be among the utility model embodiment desulfurization and dedusting king-tower and desulfurization and dedusting secondary tower along the partial sectional view of axis (main looking) separately.
Marginal data
1, connects the air channel; 2, spiral Venturi scrubber; 3, connect flue; 4, Venturi tube; 41, collapsible tube; 42, compression trunnion; 43, spiral increaser; 431, inwall; 432, outer wall; 44, the first spray washing device; 45, the second spray washing device; 46, the 3rd spray washing device; 47, outside feed pipe; 5, spiral scrubbing tower; 51, gas approach; 52, upper cylindric cavity; 53, lower cylindric cavity; 54, exhaust pass; 6, low-resistance eddy current type dehydrator; 61, exhaust gases passes; 62, horizontal scroll casing shape dehydration passage; 63, discharge outlet; 7, desulfurization and dedusting king-tower; 71, overflow tank; 72, annular feed pipe; 73, washing spiral board; 74, dehydration spiral board; 75, hydrolock overfall; 8, desulfurization and dedusting secondary tower; 81, supporting bracket; 82, flue collector; 83, air-introduced machine; 84, flue side stand component; 85, air inlet; 9, the first hydrolock drainage arrangement; 10, discharge flue.
The specific embodiment
Below in conjunction with Figure of description with specifically preferred embodiment the utility model is further described, but therefore do not limit protection domain of the present utility model.
Embodiment:
A kind of of the present utility model spiral Venturi scrubber 2 as shown in Fig. 1～Fig. 5, comprise that Venturi tube 4 and spiral scrubbing tower 5(material are numb stone), Venturi tube 4 is horizontal, Venturi tube 4 is by collapsible tube 41, compression trunnion 42 and spiral increaser 43 be connected in sequence (spiral increaser 43 is for horizontal), collapsible tube 41 inside are provided with the first spray washing device 44, and spiral increaser 43 pipe interiors are provided with the second spray washing device 45.
As shown in Figure 3, the spiral scrubbing tower 5 of present embodiment comprises the washing tower body that is formed by stacking by the upper cylindric cavity 52 of two different inner diameters and lower cylindric cavity 53 (also can be similar to regard the center that a T shape tubular article is inserted into spiral increaser 43 as then be formed by stacking), wherein, the outer wall of lower cylindric cavity 53 is namely served as by the inwall 431 of spiral increaser 43, the outer wall of upper cylindric cavity 52 is namely extended upward by the outer wall 432 of spiral increaser 43 and forms, and the internal diameter of upper cylindric cavity 52 is greater than lower cylindric cavity 53.The gas approach 51 of spiral scrubbing tower 5 is located on the outer wall of lower cylindric cavity 53 in the present embodiment, and be communicated with the outlet of spiral increaser 43, the exhaust pass 54 of spiral scrubbing tower 5 is located on the outer wall of cylindric cavity 52, and exhaust pass 54 connects flue 3 by one and is communicated with the bottom of desulfurization and dedusting king-tower 7.
In the spiral Venturi scrubber 2 of present embodiment, the installation site of the first above-mentioned spray washing device 44 accounts for 1/3 of collapsible tube 41 horizontal lengths to the horizontal range of collapsible tube 41 porch, and the shower nozzle of the first spray washing device 44 is vertically arranged (referring to Fig. 3) in even interval.The shower nozzle of the second spray washing device 45 in the present embodiment is evenly laid (referring to Fig. 3 and Fig. 4) at the top of spiral increaser 43 along the helix trend.Also be provided with the 3rd spray washing device 46 in the washing tower body of the spiral scrubbing tower 5 of present embodiment, its shower nozzle specifically is installed in cylindric cavity 52 and the connection transition position that is connected cylindric cavity 53, and injection direction down (referring to Fig. 3).The first above-mentioned spray washing device 44, the second spray washing device 45 and the 3rd spray washing device 46 all are connected with outside feed pipe 47.The bottom of the spiral Venturi scrubber 2 of present embodiment offers the delivery port that is connected with the first hydrolock drainage arrangement 9, and the first hydrolock drainage arrangement 9 of present embodiment adopts hydrolock drainage ditch (referring to Fig. 1 and Fig. 2).
The operation principle of the spiral Venturi scrubber 2 in the present embodiment is: the dust-laden sulfur-bearing contains the niter air body to be introduced in the Venturi tube 4 of the spiral Venturi scrubber 2 of present embodiment through connecting air channel 1, gas is at first interior through the 44 ejection atomizing cleaning solution washings of the first spray washing device at collapsible tube 41, then enter into compression trunnion 42, the air film of suspension is broken and begins absorption atomizing cleaning solution particle, sulfur dioxide and oxynitrides and cleaning solution carry out hybrid reaction, enter again spiral increaser 43 and at spiral increaser 43 interior formation eddy flows, at this moment, the second spray washing device 45 on the spiral increaser 43 is simultaneously also to the gas jet washing liquid, finely divided suspension in the gas is dripped, the solid grit is thrown to and is attached on the wallboard of spiral increaser 43 under the inertial centrifugal effect; Subsequently, air-flow enters in the lower cylindric cavity 53 of spiral scrubbing tower 5 through the gas approach 51 of spiral increaser 43 centers, and the rising of beginning spiral enters into cylindric cavity 52, at this moment, the water smoke of the 3rd spray washing device 46 ejections of lower cylindric cavity 53 tops installation washs again to being spiralling gas; Gas after washing, dehydration is centrifugal motion, and by exhaust pass 54 be connected flue 3 and enter in the desulfurization and dedusting king-tower 7 along tangent line; Through the cleaning solution that spiral increaser 43 and spiral scrubbing tower 5 remove, discharge by the first hydrolock drainage arrangement 9 that its bottom arranges.
A kind of wet desulphurization denitration dust collecting of the present utility model system such as Fig. 1～shown in Figure 8, this system mainly is comprised of spiral Venturi scrubber 2 above-mentioned in the present embodiment, desulfurization and dedusting king-tower 7, desulfurization and dedusting secondary tower 8 and low-resistance eddy current type dehydrator 6; Spiral Venturi scrubber 2 is positioned at bottom one side of desulfurization and dedusting king-tower 7, and communicates with the bottom of desulfurization and dedusting king-tower 7 by connecting flue 3, and the top of desulfurization and dedusting king-tower 7 then is communicated with the top of desulfurization and dedusting secondary tower 8 by low-resistance eddy current type dehydrator 6.Whole wet desulphurization denitration dust collecting system is sealed construction, and the effect of the air-introduced machine 83 by its afterbody forms vacuum negative pressure condition.
Desulfurization and dedusting king-tower 7 in the present embodiment can be existing conventional desulfurized dust collection column, also be provided with successively from the bottom up overflow tank 71, annular feed pipe 72, washing spiral board 73 and dehydration spiral board 74(in the desulfurization and dedusting king-tower 7 of present embodiment referring to Fig. 8), overflow tank 71 offers hydrolock overfall 75 at desulfurization and dedusting king-tower 7 tower walls, and desulfurization and dedusting king-tower 7 bottoms have a delivery port that is connected with the first hydrolock drainage arrangement 9.
Low-resistance eddy current type dehydrator 6 in the present embodiment comprises exhaust gases passes 61 and horizontal scroll casing shape dehydration passage 62, exhaust gases passes 61 is communicated with horizontal scroll casing shape dehydration passage 62, horizontal scroll casing shape dehydration passage 62 is communicated with the discharge flue 10 at desulfurization and dedusting king-tower 7 tops by exhaust gases passes 61, the outlet of horizontal scroll casing shape dehydration passage 62 then is communicated with the air inlet 85 on desulfurization and dedusting secondary tower 8 tops, the air inlet 85 of desulfurization and dedusting secondary tower 8 is higher than the about 10cm in bottom surface of horizontal scroll casing shape dehydration passage 62, play the dash effect, horizontal scroll casing shape dehydration passage 62 bottoms have a discharge outlet 63 that is connected with the second hydrolock drainage arrangement, and the second hydrolock drainage arrangement adopts hydrolock drainage ditch or drainpipe equally herein.In the present embodiment, desulfurization and dedusting secondary tower 8 tops are provided with supporting bracket 81, and both sides are provided with flue side stand component 84, and the bottom is provided with air-introduced machine 83, and air-introduced machine 83 outlets are communicated with the bypass road, and bypass flue is connected with chimney with flue collector 82.
The operation principle of the wet desulphurization denitration dust collecting system of above-mentioned present embodiment is: be the bottom that centrifugal motion, tangent line enter desulfurization and dedusting king-tower 7 through the gas after 2 washings of spiral Venturi scrubber, gas enters in the discharge flue 10 at desulfurization and dedusting king-tower 7 tops after the 7 interior rotations of desulfurization and dedusting king-tower are risen and passed through the washing of washing spiral board 73, spiral board 74 preliminary hydro-extractions of dewatering; The delivery port that is connected with the first hydrolock drainage arrangement 9 that the cleaning solution of deviating from the one hand can be offered from desulfurization and dedusting king-tower 7 bottoms is discharged, on the other hand, the gas that enters in the discharge flue 10 begins to enter into low-resistance eddy current type dehydrator 6, and enter in the horizontal scroll casing shape dehydration passage 62 with tangential direction and be eddy motion by exhaust gases passes 61, at this moment, finely divided suspension in the air-flow drips, the solid grit is subjected to the inertial centrifugal effect again, be thrown toward and be attached on the wallboard of horizontal scroll casing shape dehydration passage 62, thereby isolate drop and dust in the air-flow, the water of deviating from the horizontal scroll casing shape dehydration passage 62 is discharged from discharge outlet 63 under Action of Gravity Field, gas then imports the top of desulfurization and dedusting secondary tower 8 with tangential direction, under the suction function that air-introduced machine 83 forms, gas enters into flue collector 82 finally by air-introduced machine 83.
Claims (10)
1. spiral Venturi scrubber, comprise Venturi tube (4) and the first hydrolock drainage arrangement (9), it is characterized in that: described Venturi tube (4) is connected in sequence by collapsible tube (41), compression trunnion (42) and spiral increaser (43), be provided with the first spray washing device (44) in the described collapsible tube (41), be provided with the second spray washing device (45) in described spiral increaser (43) pipeline, described spiral Venturi scrubber (2) bottom has the delivery port that is connected with the first hydrolock drainage arrangement (9).
2. spiral Venturi scrubber according to claim 1, it is characterized in that: described Venturi tube (4) is horizontal Venturi tube, and described spiral increaser (43) is horizontal spiral formula increaser.
3. spiral Venturi scrubber according to claim 2, it is characterized in that: the installation site of described the first spray washing device (44) accounts for 1/3～1/2 of described collapsible tube (41) horizontal length to the horizontal range of described collapsible tube (41) porch, and the shower nozzle of described the first spray washing device (44) is vertically arranged at the interval.
4. spiral Venturi scrubber according to claim 2, it is characterized in that: the shower nozzle of described the second spray washing device (45) is laid in the top of spiral increaser (43) along the hand of helix of spiral increaser (43).
5. each described spiral Venturi scrubber according to claim 1～4, it is characterized in that: described spiral Venturi scrubber also comprises a spiral scrubbing tower (5), described spiral scrubbing tower (5) comprises the washing tower body that is formed by stacking by the upper cylindric cavity (52) of two different inner diameters and lower cylindric cavity (53), described cylindric cavity (52) is positioned at the top of spiral increaser (43), described lower cylindric cavity (53) is arranged on the central area of spiral increaser (43), the gas approach (51) of described spiral scrubbing tower (5) is located on the outer wall of lower cylindric cavity (53), and is communicated with the outlet of spiral increaser (43); The exhaust pass (54) of described spiral scrubbing tower (5) is located on the outer wall of cylindric cavity (52), is provided with the 3rd spray washing device (46) in the described washing tower body.
6. spiral Venturi scrubber according to claim 5, it is characterized in that: the shower nozzle of described the 3rd spray washing device (46) specifically is installed in cylindric cavity (52) and the connection transition position that is connected cylindric cavity (53), and injection direction is towards lower cylindric cavity (53).
7. wet desulphurization denitration dust collecting system, it is characterized in that: described wet desulphurization denitration dust collecting system comprises arbitrary described spiral Venturi scrubber (2) in desulfurization and dedusting king-tower (7), desulfurization and dedusting secondary tower (8), dehydrator and the claim 1～6, and described spiral Venturi scrubber (2) is connected with the bottom of described desulfurization and dedusting king-tower (7) by connecting flue (3); Described desulfurization and dedusting king-tower (7) top is communicated with the top of described desulfurization and dedusting secondary tower (8) by described dehydrator, and the air inlet of described desulfurization and dedusting secondary tower (8) is higher than the bottom surface of described dehydrator.
8. wet desulphurization denitration dust collecting according to claim 7 system, it is characterized in that: be provided with successively from the bottom up overflow tank (71), annular feed pipe (72), washing spiral board (73) and dehydration spiral board (74) in the described desulfurization and dedusting king-tower (7), described overflow tank (71) offers hydrolock overfall (75) at described desulfurization and dedusting king-tower (7) Ta Bishang, and described desulfurization and dedusting king-tower (7) bottom has a delivery port that can be connected with the first hydrolock drainage arrangement (9).
9. wet desulphurization denitration dust collecting according to claim 8 system, it is characterized in that: described wet desulphurization denitration dust collecting system inner chamber is a sealed system, and described desulfurization and dedusting secondary tower (8) bottom is provided with air-introduced machine (83) and makes formation negative pressure in the described wet desulphurization denitration dust collecting system.
10. arbitrary described wet desulphurization denitration dust collecting system according to claim 7～9, it is characterized in that: described dehydrator is a low-resistance eddy current type dehydrator (6), comprise the exhaust gases passes (61) and the horizontal scroll casing shape dehydration passage (62) that are interconnected, described exhaust gases passes (61) is communicated with described desulfurization and dedusting king-tower (7) top, described horizontal scroll casing shape dehydration passage (62) outlet is communicated with the air inlet (85) of described desulfurization and dedusting secondary tower (8), and described horizontal scroll casing shape dehydration passage (62) bottom has a discharge outlet (63) that can be connected with the hydrolock drainage arrangement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205889600U CN202909586U (en) | 2012-11-09 | 2012-11-09 | Spiral venturi washer and wet-method desulfuration and denitration dust removal system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012205889600U CN202909586U (en) | 2012-11-09 | 2012-11-09 | Spiral venturi washer and wet-method desulfuration and denitration dust removal system |
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| CN202909586U true CN202909586U (en) | 2013-05-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886189A (en) * | 2012-11-09 | 2013-01-23 | 长沙环境保护职业技术学院 | Spiral venturi scrubber and wet-method desulphurization and denitration dust-collecting system |
| CN106675664A (en) * | 2015-11-11 | 2017-05-17 | 中国石油化工股份有限公司 | Dust removal process of coal gas and process gas |
| CN110772963A (en) * | 2019-12-19 | 2020-02-11 | 哈尔滨中科天德节能环保科技有限公司 | Desulfurization, dust removal, denitration, waste heat recovery integration are equipped and clean system thereof |
-
2012
- 2012-11-09 CN CN2012205889600U patent/CN202909586U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886189A (en) * | 2012-11-09 | 2013-01-23 | 长沙环境保护职业技术学院 | Spiral venturi scrubber and wet-method desulphurization and denitration dust-collecting system |
| CN102886189B (en) * | 2012-11-09 | 2015-03-25 | 长沙环境保护职业技术学院 | Spiral venturi scrubber and wet-method desulphurization and denitration dust-collecting system |
| CN106675664A (en) * | 2015-11-11 | 2017-05-17 | 中国石油化工股份有限公司 | Dust removal process of coal gas and process gas |
| CN106675664B (en) * | 2015-11-11 | 2020-07-07 | 中国石油化工股份有限公司 | Dust removal process for coal-to-gas process gas |
| CN110772963A (en) * | 2019-12-19 | 2020-02-11 | 哈尔滨中科天德节能环保科技有限公司 | Desulfurization, dust removal, denitration, waste heat recovery integration are equipped and clean system thereof |
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