CN108273345A - Environment-protecting type exhaust air processing unit - Google Patents

Environment-protecting type exhaust air processing unit Download PDF

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Publication number
CN108273345A
CN108273345A CN201810273552.8A CN201810273552A CN108273345A CN 108273345 A CN108273345 A CN 108273345A CN 201810273552 A CN201810273552 A CN 201810273552A CN 108273345 A CN108273345 A CN 108273345A
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CN
China
Prior art keywords
exhaust gas
environment
pond
processing unit
air processing
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.)
Pending
Application number
CN201810273552.8A
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Chinese (zh)
Inventor
郑淑如
陈苏莲
李育威
朱友富
Original Assignee
朱友富
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 朱友富 filed Critical 朱友富
Priority to CN201810273552.8A priority Critical patent/CN108273345A/en
Publication of CN108273345A publication Critical patent/CN108273345A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/40Alkaline earth metal or magnesium compounds
    • B01D2251/404Alkaline earth metal or magnesium compounds of calcium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • B01D2251/604Hydroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/91Bacteria; Microorganisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/818Employing electrical discharges or the generation of a plasma

Abstract

The invention discloses a kind of environment-protecting type exhaust air processing units, including deduster, alkaline pond, exhaust gas treating tower and after-treatment case, the deduster and the alkaline pond, the alkalinity pond and the exhaust gas treating tower, the exhaust gas treating tower is connected by pipeline respectively with the after-treatment case, it is equipped with splicing plate in the alkalinity pond, splicing board bottom portion is equipped with the first spring and push rod, first spring is equipped with corrugated guard tube with push rod outside, the guard tube upper end is detachably coordinated by a connection piece and splicing plate lower surface, splicing plate lower surface is equipped with and matched first groove of the connector;Exhaust gas is handled in the way of multistep treatment, exhaust gas is made to be purified effect, improves the purification efficiency of exhaust gas;Preferable waterproofing protection effect can be carried out to the metalwork in equipment, prevent metalwork oxidation corrosion, and component can easily be replaced, it is easily operated.

Description

Environment-protecting type exhaust air processing unit
Technical field
The invention belongs to industry environmental protection technical fields, more particularly, to a kind of environment-protecting type exhaust air processing unit.
Background technology
Industrial pollution refers to the pollution of exhaust gas, waste water and solid emission to environment formed in industrial processes. Pollution mainly as in producing " three wastes " (waste water,waste gas and industrial residue) and various noises caused by, contaminated wastewater, useless can be divided into Gas pollution, residue contamination, noise pollution.Wherein industrial waste gas pollutes, and with the high speed development of industry, will produce in industrial production A large amount of exhaust gas is discharged into air if it cannot preferably be handled, not only pollutes the environment, but also serious The health of harmful to human, and existing waste gas treatment equipment can not play good waterproofing protection to internal metallic weapon Effect, more exchange device is constant.
Invention content
The present invention for overcome the deficiencies in the prior art, provides a kind of waste gas purification high treating effect, can be to equipment inside Metallic weapon plays the role of waterproofing protection and replaces convenient industry to its processing equipment.
To achieve the goals above, the present invention uses following technical scheme:A kind of environment-protecting type exhaust air processing unit, including remove Dirt device, alkaline pond, exhaust gas treating tower and after-treatment case, the deduster and the alkaline pond, the alkaline pond and The exhaust gas treating tower, the exhaust gas treating tower are connected by pipeline respectively with the after-treatment case, in the alkalinity pond Equipped with splicing plate, splicing board bottom portion is equipped with the first spring and push rod, and first spring is equipped with wave with push rod outside Line shape guard tube, the guard tube upper end are detachably coordinated by a connection piece and splicing plate lower surface, the splicing plate Lower surface is equipped with and matched first groove of the connector;Exhaust gas is handled by way of multistep treatment, is improved The efficiency of waste gas purification can preferably be handled exhaust gas;And guard tube is set in alkaline pond, it can be in alkaline pond Metal spring and push rod play a protective role, avoid metal equipment from being in direct contact with liquid, be corroded so as to cause metal;It is anti- Water pipe is removably matched with splicing plate by connector, when guard tube damage needs to change, can be torn connector open Under replaced to remove guard tube, it is easily operated.
Preferably, the guard tube upper end is connected by connector with first groove;By connector with it is recessed The mutual cooperation of slot enables connector that preferably guard tube to be fixed on splicing plate, plays the role of sealing waterproof.
Preferably, the connector includes push plate and the convex block made of elastic material, the cross-sectional area of the convex block More than the cross-sectional area of first groove;The elastic material can be rubber material, when connector and the first fit depressions, Extrusion lug, makes convex block reduced cross-sectional area convenient for putting the first inside grooves into, after convex block enters inside grooves, convex block due to Elastic reaction starts to reset, and to be fitted close with groove inner wall, plays better waterproof effect.
Preferably, first groove inner wall is evenly arranged with multiple salient points;By salient point to being in the first groove Convex block carry out position-limiting action, preventing convex block to be detached from the first groove at work makes guard tube fall off, at the same also increase convex block with Better waterproof effect is played in the tight fit of first groove.
Preferably, the alkalinity basin bottom is equipped with a through-hole, the push rod can be arranged in described logical up and downly In hole, push rod upper end is connected with splicing plate;Guard tube setting prevents the solution in alkaline pond from being let out by through-hole in through-hole periphery On the outside of leakage to alkaline pond.
Preferably, the through hole is equipped with mounting groove, multiple balls, the ball difference are installed in the mounting groove It is in contact with the push rod;By the setting of ball, reduce the friction between push rod and through-hole, keeps push rod better in through-hole It moves up and down.
Preferably, being additionally provided with oxygen generator below the alkalinity pond;Oxygen generator passes through conduit and alkaline water Pond is connected, and oxygen generator is opened when work, and oxygen is made to be passed through in alkaline pond, to be sent out with the sediment in alkaline pond Raw further reaction, generates required substance, can be comprehensively utilized to exhaust gas, be conducive to environmental protection.
Preferably, the oxygen generator bottom is equipped with pedestal, the base top is equipped with and is matched with the push rod Button switch;Button switch controls the running and stopping of oxygen generator, and the button switch is normally bought on the market The button switch arrived, when the sediment on splicing plate reaches certain value, the first spring-compressed makes push rod push, and is pressed to touch Button switch makes oxygen generator start to work, and then so that oxygen is reacted with precipitation and generate required product.
The present invention has the following advantages:Exhaust gas is handled in the way of multistep treatment, exhaust gas is made to be purified work With improving the purification efficiency of exhaust gas;Effectively the sour gas of sulfur-bearing etc. can be handled, prevent sour gas from being set to metal It is standby to generate corrosiveness;And the waste residue after exhaust-gas treatment can be further processed, it is recycled, is conducive to environmental protection; Preferable waterproofing protection effect can be carried out to the metalwork in equipment, prevent metalwork oxidation corrosion, and portion can easily be replaced Part, it is easily operated.
Description of the drawings
Figure Fig. 1 is the general assembly structural schematic diagram of the present invention.
Fig. 2 is the barb and the matched structural schematic diagram of lock part of the present invention.
Fig. 3 is the structural schematic diagram when barb of the present invention works with lock part.
Fig. 4 is the structural schematic diagram of the first groove and connector of the invention.
Fig. 5 is the structural schematic diagram of the alkaline basin bottom through-hole of the present invention.
Specific implementation mode
As shown in Figs. 1-5, a kind of industrial waste gas processing system, including deduster 1, alkaline pond 2, exhaust gas treating tower 3 and It is after-treatment case 4, the deduster 1 and the alkaline pond 2, the alkaline pond 2 and the exhaust gas treating tower 3, described useless Gas disposal tower 3 is connected by pipeline respectively with the after-treatment case 4, and air-introduced machine 6 is equipped on the pipeline, passes through air-introduced machine 6 setting, enables exhaust gas to be flowed between the various devices, is moved according to required direction, and exhaust-gas treatment effect is improved Rate;4 side of after-treatment case is connected with outlet tower 5 by pipeline, exhaust gas after purified treatment from 5 row of outlet tower Go out;It is equipped with splicing plate 21 in the alkalinity pond 2,21 bottom of splicing plate is equipped with the first spring 23 and push rod 22, the alkali Property 2 bottom of pond be equipped with a through-hole, the push rod 22 is arranged in the through-hole, and the through hole is equipped with mounting groove, the peace Multiple balls 28 are installed, the ball 28 is in contact with the push rod 22 respectively in tankage;By the setting of ball 28, reduce Friction between push rod 22 and through-hole makes push rod 22 preferably move up and down in through-hole;2 lower section of alkalinity pond is also Equipped with oxygen generator 25.
The first filter screen 14 is equipped in the deduster 1,1 bottom of deduster is equipped with ash bucket 12, and 1 side of deduster is equipped with useless Gas import 11,12 bottom of the ash bucket, which corresponds to, places ash removing trolley 13;When exhaust gas from exhaust gas inlet 11 into fashionable, pass through first Strainer 14 directly filters down the larger particles in exhaust gas, and the particulate matter of filtering is made to fall to the ash bucket 12 of 1 bottom of deduster It is interior, then fallen in ash removing trolley 13 from from ash bucket 12, after the completion of exhaust-gas treatment work, ash removing trolley 13 is pushed in it Particulate matter be uniformly processed, prevent particulate matter it is excessive be deposited in the operation that equipment is influenced in deduster 1.
The bottom of exhaust gas treating tower 3 is equipped with circulating water pool 31, and 31 side of circulating water pool is connected with water circulating pump 32, recirculated water The water outlet of pump 32 connects water pipe 33, and the upper end of water pipe 33 connects sparge pipe 34, and it is two sections that sparge pipe 34, which is divided to, cuts oblique setting respectively Inside exhaust gas treating tower 3, and installation is equipped with multigroup nozzle 341 on sparge pipe 34, and the exhaust gas entrance of exhaust gas treating tower 3, which is set to, to follow On 31 top side wall of ring pond;When exhaust gas enters exhaust gas treating tower 3, the water inside circulating water pool 31 is supplied by illusory water pump 32 It is sprayed from nozzle 341 to sparge pipe 34, realizes the final dusting of exhaust gas, pass through fine particle in water and exhaust gas and dust etc. Material mixing, by being obliquely installed both ends sparge pipe 34, increases to make the substances such as little particle and dust in exhaust gas fall down The contact area for adding exhaust gas and water spray, makes exhaust gas preferably be contacted with water;34 top of the sparge pipe is equipped with the second filter screen 35, Some floater filterings mixed with steam are got off, exhaust gas is further purified;Second filter screen, 35 top is equipped with vapour Separator 36 prevents exhaust gas from entering next ring with steam by steam-water separator 36 by the water in exhaust gas to separating Section, impacts metal equipment, improves service life of equipment;It is ultraviolet that 36 top side wall of steam-water separator is equipped with plasma Lamp 37 carries out disinfection sterilization operation to exhaust gas, improves the quality after waste gas purification;Gas outlet is set to the top of exhaust gas treating tower 3, Exhaust gas is introduced along pipeline in after-treatment case 4 by the effect of air-introduced machine 6, activated carbon is equipped in after-treatment case 4 and is filtered Net 41 again adsorbs the particulate matter in exhaust gas, it is ensured that the particulate matter removal in exhaust gas is clean, and waste gas purification quality is made to obtain To promotion.
First spring 23 is equipped with corrugated guard tube 24 with 22 outside of the push rod, and 24 upper end of the guard tube passes through A connection piece 29 detachably coordinates with 21 lower surface of splicing plate, and 21 lower surface of splicing plate is equipped with and the connector 29 Matched first groove 211;The corrugated discharge tube 24 is plastic material, and corrugated is foldable;The guard tube 24 Upper end is connected by connector with first groove 211, and the connector 29 includes push plate 291 and is made of elastic material Convex block 292, this is sentenced for convex block 292 is rubber material, and the cross-sectional area of the convex block 292 is more than first groove 211 cross-sectional area, 211 inner wall of the first groove are evenly arranged with multiple salient points 2111;When carrying out installation guard tube 24, first The end of one end of guard tube 24 is filled in the first groove 211, then convex block 292 is squeezed, makes the cross section of convex block 292 Product is contracted to that 211 size of the first groove can be filled in, and to fill in convex block 292 in first groove 211, passes through convex block 292 itself Elastic force and the salient point 2111 in the first groove 211 position-limiting action, convex block 292 is firmly locked in the first groove 211, into And one end of guard tube 24 is fixed in the first groove 211, prevent the guard tube 24 during waste gas purification from falling off;It is anti- 24 other end of water pipe can also be used method of the same race and be fixed.
By the setting of discharge tube 24, the first spring 23 and push rod 22 is made to be not directly contacted with water, prevents aqueous solution pair The erosion effect of one spring 23 and push rod 22, effectively extends the service life of equipment;The oxygen generator 25 is at least One, and the oxygen generator 25 is connect by conduit 251 with the alkaline pond 2,251 one end of the conduit is stretched into described It does not contact in alkaline pond 2 and with the splicing plate 21;Herein by taking two oxygen generators as an example;25 bottom of the oxygen generator Portion is equipped with pedestal 26, and 26 top of the pedestal is equipped with a button switch 261, and the button switch 261 is being set to the push rod 22 just Lower section, button switch 261 are electrically connected with oxygen generator 25, and opening for oxygen generator 25 can be realized by button switch 261 Dynamic and stopping;2 top of alkalinity pond is equipped with air hole, and the solution in alkaline pond 2 can be the aqueous solution of calcium hydroxide;When When exhaust gas is entered in alkaline pond 2, the sulfur-bearing object in exhaust gas reacts with calcium hydroxide, generates calcium sulfite solid precipitation Object prevents corrosiveness of the sour gas to equipment to be neutralized to the acidic materials in exhaust gas;Solid sediment is accumulated On splicing plate 21, after the solid sediment on splicing plate 21 reaches constant weight, 23 forced contraction of the first spring, push rod 22 It is moved downward by through-hole, to press button switch 261, oxygen generator 25 is made to start to work, oxygen generator 25 generates Oxygen entered in alkaline pond 2 by conduit 251, oxygen and calcium sulfite occur redox reaction and generate calcium sulfate, To facilitate the recycling of sediment to play environmental-protection function;Air hole, which is arranged, to be prevented the pressure in alkaline pond 2 excessive and causes Equipment damage enables the gas in alkaline pond 2 to be smoothly discharged, and protection equipment is hardly damaged.
21 edge of splicing plate is equipped with multiple barb members 211, and the hook portion side of barb member 211 is arc-shaped structure, separately Side is rectangular configuration, and 2 inner wall of the alkalinity pond is equipped with lock piece corresponding with the barb member 211, the locking Part includes the cavity 27 being set on 2 inner wall of the alkaline pond, the second spring 271 in the cavity 27 and is set to described The convex block head 272 of 271 one end of second spring, 272 side of convex block head are arc-shaped structure, and the other side is rectangular configuration, convex block head 272 can slide up and down along 27 inner wall of cavity, and 272 sealed bottom of convex block head is combined with sealing element 273, the sealing The sealing of 273 other end of part is matched with 27 inner wall of the cavity;The sealing element 273 can be ring-shaped rubber material, have good Ductility and water resistance, the sealing, which is matched, is combined into bonding;272 bottom centre position of the convex block head is additionally provided with connecting rod 274, 27 bottom of cavity is equipped with a through-hole, and connecting rod 274 is arranged in through-hole, and connecting rod 274 is set to one end of 2 lateral wall of alkaline pond It is equipped with draw ring 275;When the precipitate bulk on splicing plate 21 is to constant weight, 23 forced contraction of the first spring, splicing plate 21 move down, and barb member 211 moves down, so that the hook portion of barb member 211 is contacted with convex block head 272, the hook portion of barb member 211 Globoidal structure is contacted with the globoidal structure of convex block head 272, and convex block head 272 is pushed into cavity 27 by barb member 211 along cambered surface, when When convex block head 272 enters 27 inside of cavity, barb member 211 enters 272 other side of convex block head, and second spring 271 is no longer at this time Stress resets in elastic reaction lower protruding block head 272, to play the role of locking barb member 211, so that push rod 22 is pinned button and open Close 261 continued operations for keeping oxygen generator 25;Draw ring 275, draw ring 275 is pulled to drive connecting rod 274 after the completion of reaction Movement makes lock piece lose the latch functions to barb member 211 to pull in convex block head 272 in cavity 27, and splicing plate 21 exists It is resetted under the action of first spring 23, the no longer button press switch 261 of push rod 22, oxygen generator 25 is so be stopped.

Claims (8)

1. a kind of environment-protecting type exhaust air processing unit, including deduster(1), alkaline pond(2), exhaust gas treating tower(3)And secondary place Manage case(4), the deduster(1)With the alkaline pond(2), the alkaline pond(2)With the exhaust gas treating tower(3), institute State exhaust gas treating tower(3)With the after-treatment case(4)It is connected respectively by pipeline, the alkalinity pond(2)It is interior to be equipped with splicing Plate(21), the splicing plate(21)Bottom is equipped with the first spring(23)And push rod(22), first spring(23)It is pushed away with described Bar(22)Outside is equipped with corrugated guard tube(24), it is characterised in that:The guard tube(24)Upper end passes through a connection piece(29) With the splicing plate(21)Lower surface detachably coordinates, the splicing plate(21)Lower surface is equipped with and the connector(29)Match The first groove closed(211).
2. a kind of environment-protecting type exhaust air processing unit described in accordance with the claim 1, it is characterised in that:The guard tube(24)Upper end Pass through connector and first groove(211)It is connected.
3. a kind of environment-protecting type exhaust air processing unit according to claim 2, it is characterised in that:The connector(29)Including Push plate(291)With the convex block made of elastic material(292), the convex block(292)Cross-sectional area be more than first groove (211)Cross-sectional area.
4. a kind of environment-protecting type exhaust air processing unit described in accordance with the claim 1, it is characterised in that:First groove(211) Inner wall is evenly arranged with multiple salient points(2111).
5. a kind of environment-protecting type exhaust air processing unit described in accordance with the claim 1, it is characterised in that:The alkalinity pond(2)Bottom Portion is equipped with a through-hole, the push rod(22)It can up and downly be arranged in the through-hole, push rod(22)Upper end and splicing plate (21)It is connected.
6. a kind of environment-protecting type exhaust air processing unit according to claim 5, it is characterised in that:The through hole is equipped with installation Slot is equipped with multiple balls in the mounting groove(28), the ball(28)Respectively with the push rod(22)It is in contact.
7. a kind of environment-protecting type exhaust air processing unit described in accordance with the claim 1, it is characterised in that:The alkalinity pond(2)Under Side is additionally provided with oxygen generator(25).
8. a kind of environment-protecting type exhaust air processing unit according to claim 7, it is characterised in that:The oxygen generator(25) Bottom is equipped with pedestal(26), the pedestal(26)Top is equipped with and the push rod(22)Matched button switch(261).
CN201810273552.8A 2018-03-29 2018-03-29 Environment-protecting type exhaust air processing unit Pending CN108273345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810273552.8A CN108273345A (en) 2018-03-29 2018-03-29 Environment-protecting type exhaust air processing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810273552.8A CN108273345A (en) 2018-03-29 2018-03-29 Environment-protecting type exhaust air processing unit

Publications (1)

Publication Number Publication Date
CN108273345A true CN108273345A (en) 2018-07-13

Family

ID=62810613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810273552.8A Pending CN108273345A (en) 2018-03-29 2018-03-29 Environment-protecting type exhaust air processing unit

Country Status (1)

Country Link
CN (1) CN108273345A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103480251A (en) * 2013-09-29 2014-01-01 中悦浦利莱环保科技有限公司 System and method for performing desulfurization, denitration and demercuration to flue gas simultaneously
CN106390705A (en) * 2016-06-21 2017-02-15 太仓市顺邦防腐设备有限公司 A flue desulphurization exhaust-gas treatment system
CN206392682U (en) * 2016-12-13 2017-08-11 宏发五金科技(张家港)有限公司 A kind of pull head hole punched device
CN107115765A (en) * 2017-06-28 2017-09-01 苏州华商新能源有限公司 A kind of emission-control equipment and method
CN107158869A (en) * 2017-06-29 2017-09-15 荆门宁杰机电技术服务有限公司 A kind of device of absorption air dust

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103480251A (en) * 2013-09-29 2014-01-01 中悦浦利莱环保科技有限公司 System and method for performing desulfurization, denitration and demercuration to flue gas simultaneously
CN106390705A (en) * 2016-06-21 2017-02-15 太仓市顺邦防腐设备有限公司 A flue desulphurization exhaust-gas treatment system
CN206392682U (en) * 2016-12-13 2017-08-11 宏发五金科技(张家港)有限公司 A kind of pull head hole punched device
CN107115765A (en) * 2017-06-28 2017-09-01 苏州华商新能源有限公司 A kind of emission-control equipment and method
CN107158869A (en) * 2017-06-29 2017-09-15 荆门宁杰机电技术服务有限公司 A kind of device of absorption air dust

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Application publication date: 20180713

RJ01 Rejection of invention patent application after publication