CN105688590A - Purifying equipment and purifying process for refuse combustion smoke - Google Patents
Purifying equipment and purifying process for refuse combustion smoke Download PDFInfo
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- CN105688590A CN105688590A CN201610241327.7A CN201610241327A CN105688590A CN 105688590 A CN105688590 A CN 105688590A CN 201610241327 A CN201610241327 A CN 201610241327A CN 105688590 A CN105688590 A CN 105688590A
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- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to the technical field of environmental protection, and particularly relates to purifying equipment and purifying process for refuse combustion smoke, which have significant effect of purifying organic ash particles (generated by organics combustion) and solid particles (generated by plastic combustion) carried by refuse combustion smoke. The purifying equipment for refuse combustion smoke comprises a spray tower; an electrostatic tower is arranged at the upper end of the spray tower; a smoke discharge flue is arranged at the upper end of the electrostatic tower; and a concentration tank is arranged under the spray tower. The purifying equipment is characterized in that a circulating pool is arranged at the lower end of the spray tower, an outlet at the lower end of the concentration pool is connected with an auger inlet under the concentration pool, an auger outlet is connected with an inlet of a vacuum dehydrator under an auger, the vacuum dehydrator is arranged on a cover plate at the upper end of the circulating pool, the circumference of the cover plate is fixed to the inner wall of the spray tower, a desulfurizer tank is arranged on one side of the cover plate, and the cover plate is provided with a feed hole by corresponding to a discharge outlet at the lower end of the desulfurizer tank.
Description
Technical field
The invention belongs to environmental technology field, particularly relate to a kind of combustion refuse flue gas purifying equipment and purify technique。
Background technology
Currently cause resident panic owing to combustion refuse produces 21 grades to cancer pollutant, owing to stink makes resident be strongly opposed to, buried polluted underground water again, causes municipal refuse to encircle a city, is the low bottleneck of urban development。
The pollutant that the vaporific flue gas that current combustion rubbish produces is carried secretly；Including noxious pollutant, particularly stink that the burning plastics such as 21 grades to cancer pollutant and metal ion, stupid, hydrocarbon, footpath produce, people are made to live in circumference several kilometers。So combustion refuse become people live most concerned environmental condition be destroyed。So combustion refuse causes resident panic, along with urbanization, city is developed more more big, and urbanite is more many, and house refuse is more many, the development in city causes again surrounding city soil nervous, so landfill waste polluted underground water, country's principle does not allow, and landfill waste does not allow, combustion refuse causes resident panic, so processing rubbish to have become as the bottleneck of urban development。
At present owing to 2 is solid particle, particle diameter is very small, and in the droplet wrapped up by liquid in vaporific flue gas, the electrostatic precipitation best with current efficiency of dust collection or bag-type dust all can not be separated。Calm just suspension in atmosphere, at present both at home and abroad but without the technology separated and equipment。Burn vegeto-animal ash particle and the particle specific gravity such as stupid, hydrocarbon that burning plastics produce, footpath is lighter than water, at present both at home and abroad but without the technology separated,
The vaporific flue gas of combustion refuse belongs to frontier branch of science " multiphase flow " according to internationally recognized " multiphase flow " mathematical model；" Liu De loyalty formula ", the isolation of purified unique technical process of " multiphase flow " is sedimentation in flowing。Settling unique conditional in flowing is the sedimentation critical grain size that grain diameter have to be larger than flue gas flow rate。Due to the calm just suspension of droplet that the vaporific flue gas of combustion refuse discharge is carried secretly, so the stink that droplet is carried secretly enters in air with vaporific fume emission, composing environment pollutes。
The particle diameter of heavy metal ion and 2 granules, less than the sedimentation critical grain size of flue gas flow rate, is discharged in air so being necessarily suspended in flue gas, and composing environment pollutes。
Owing to Plastics Combustion generation noxious substance is stupid, hydrocarbon, the random vaporific fume emission in footpath enter cooling precipitate particle material in air, owing to particle diameter is less than the sedimentation critical grain size of flue gas flow rate, so necessarily suspending in atmosphere, composing environment stains dye。
Summary of the invention
The present invention is aiming at the problems referred to above, it is provided that a kind of solid particle carrying the organic compound combustion organic ash particle produced and plastics generation of burning for purifying garbage flue gas secretly has the combustion refuse flue gas purifying equipment of prominent function and purifies technique。
For achieving the above object, the present invention adopts the following technical scheme that, combustion refuse flue gas purifying equipment of the present invention includes spray column, spray column upper end is electrostatic tower, electrostatic tower upper end is smokejack, and spray column bottom is provided with concentration basin, and its structural feature spray column lower end is provided with circulatory pool；The outlet of concentration basin lower end is connected with the flood dragon import below concentration basin, and flood dragon outlet is connected with the vacuum hydroextractor import below flood dragon, and vacuum hydroextractor is arranged on the cover plate of circulatory pool upper end, and cover plate perimeter and spray column inwall are fixed；On cover plate, side is provided with desulfurizing agent tank, and cover plate is provided with material path corresponding to desulfurizing agent tank lower end discharging opening；Outside spray column lower end, side is provided with mixing pump, mixing pump transverse direction inlet pipe is placed in circulatory pool through spray column wall, the entrance location of mixing pump transverse direction inlet pipe is arranged corresponding to the position of described material path, mixing pump first vertically go out pipe upwards with laterally go out pipe one end and be connected, laterally go out the pipe other end and be placed in above described cover plate through spray column wall, laterally going out pipe and second vertically to go out pipe upper end and be connected, second vertically goes out pipe lower end is placed in circulatory pool upper end through cover plate；Described cover plate lower end is fixed with coaming plate, described material path, second vertically go out pipe lower end be placed in coaming plate in scope；Cover plate outside coaming plate is provided with and vertically fishes for mouth；The outlet pipe lower end of described vacuum hydroextractor is placed in circulatory pool upper end through described cover plate, the outlet pipe lower end of vacuum hydroextractor be placed in coaming plate in scope；Outside spray column lower end, opposite side is provided with circulating pump, the horizontal inlet pipe of circulating pump is placed in circulatory pool through spray column wall, the import of the horizontal inlet pipe of circulating pump be arranged on coaming plate around the lower section in scope, circulating pump vertically go out pipe be upwards connected with the import of spray column top spray system；Spray column wall between described concentration basin and spray system is provided with horizontal flue。
As a kind of preferred version, the spray column wall of concentration basin upper end of the present invention being provided with overfolw hole, spray column wall bottom is provided with containing part corresponding to overfolw hole, and containing part lower end is provided with the return port connected with described circulatory pool。
As another kind of preferred version, concentration basin of the present invention adopts inverted cone concentration basin。
As another kind of preferred version, coaming plate of the present invention adopts cylindric coaming plate。
As another kind of preferred version, the spray liquid of spray system of the present invention adopts 20-45 DEG C of water or lime aqueous solution。
As another kind of preferred version, the spray liquid preparing PH=7-14 is stirred in mixing pump of the present invention punching。
Secondly, desulfurizing agent tank lower end of the present invention discharging opening output desulfurizing agent lime particle。
It addition, the liquid in concentration basin of the present invention is by under the outer vertical current of described overfolw hole to spray column, ingress of air completes heat exchange, simultaneously completes oxidation and generates 2 water stone cream, and circulatory pool is entered in reduction water outlet。
Combustion refuse flue gas purifying technique of the present invention, comprises the following steps。
1) flue gas enters spray column by flue, is atomized through spray system, and flue gas becomes vaporific flue gas；Spray liquid after spray lands into concentration basin。
2) vaporific flue gas is upwardly into electrostatic tower；In electric field, the adsorbed pole of droplet is adsorbed, and converges along, under pole plate vertical current, entering concentration basin from the drop vertical landing that pole plate bottom drippage is millimeter particle diameter after increasing on pole plate, and water white transparency saturated flue gas is entered air from electrostatic tower top row air flue emission。
3) in concentration basin, solid particle vertical sedimentation enters vacuum hydroextractor again to the flood dragon of outlet at bottom, and the water deviate from flows back into circulatory pool, and the solid particle deviate from is moisture close to 10%, reclaims。
4) concentration basin inner top clear liquor from peripheral overflow to tower outside, flow down along outer wall vertical, ingress of air, complete heat exchange, circulation fluid cools to close to room temperature；If desulphurization circulating liquid, simultaneously completing oxidation, the reduction water outlet of output 2 water stone cream, water enters circulatory pool。
5) kept off outside coaming plate by coaming plate at the light ash of circulatory pool internal ratio anharmonic ratio water and plastics secondary pollutant floating particle, swim on liquid level；Fish for recovery。
6) the agitated pump of the circulation fluid in coaming plate boosts and gets excited into circulatory pool, makes granule suspend, does not deposit。
As a kind of preferred version, if flue gas of the present invention is coal-fired flue-gas, the circulation fluid in circulatory pool adds Calx through desulfurizing agent tank, and agitated pump boosts and gets excited into circulatory pool, makes granule suspend, does not deposit；Prepare the spray liquid of PH7-14；Boost through circulating pump and spray flue gas into spray system。
If described flue gas is gas from oil burning, agitated pump boosts and gets excited into circulatory pool, makes granule suspend, does not deposit；Circulation fluid boosts through circulating pump and sprays flue gas into spray system。
Beneficial effect of the present invention。
The present invention possesses the repertoire of Environment protection chimney, and can separate the plant ass floating particle of the combustion of organic matter lighter than water and poisonous solid floating particle that ratio water that burning plastics produce is light。Arranging coaming plate in circulatory pool, the solid particle carrying the organic compound combustion organic ash particle produced and plastics generation of burning for purifying garbage flue gas secretly has prominent function；Reach flue gas " 0 " disposal of pollutants。
Mist droplet particle size, in flowing, is increased hundred times through electrostatic tower of the present invention by the droplet that vaporific flue gas is carried secretly, so as to particle diameter is more than the sedimentation critical grain size of flue gas flow rate, reaches settlement separate purpose out in flowing；Thoroughly eliminate that droplet carries secretly 2, stupid, hydrocarbon, granule and the stink such as footpath。
The ash particle produced due to combustion refuse Organic substance is minimum light again, after spray, flowing not settles, so with general sedimentation-separation technology, just separate the plant ass floating particle of Organic substance that out proportion is not lighter than water and Plastics Combustion generation and stupid, hydrocarbon, footpath deleterious particle at all。
Cover plate outside coaming plate of the present invention is provided with and vertically fishes for mouth, it is simple to fishing for of floating particle, eliminate plant ass, stupid, hydrocarbon, footpath are polluted。
In circulatory pool of the present invention, spray liquid adds desulfurizing agent, and agitated pump stirs, and prepares standard spray liquid。
Circulating pump of the present invention extracts coaming plate internal recycle liquid and boosts into the atomization spray flue gas of spray column。
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention will be further described。Scope is not only limited to the statement of herein below。
Fig. 1 is present configuration schematic diagram。
In figure, 1 be flue, 2 be spray column, 3 be spray system, 4 be circulating pump, 5 be circulatory pool, 6 be mixing pump, 7 be desulfurizing agent tank, 8 be vacuum hydroextractor, 9 be flood dragon, 10 be concentration basin, 11 be coaming plate, 12 be electrostatic tower, 13 be smokejack, 14 be floating particle, 15 be overfolw hole, 16 be containing part, 17 for fishing for mouth。
Detailed description of the invention
As it can be seen, combustion refuse flue gas purifying equipment of the present invention includes spray column, spray column upper end is electrostatic tower, and electrostatic tower upper end is smokejack, and spray column bottom is provided with concentration basin, and spray column lower end is provided with circulatory pool；The outlet of concentration basin lower end is connected with the flood dragon import below concentration basin, and flood dragon outlet is connected with the vacuum hydroextractor import below flood dragon, and vacuum hydroextractor is arranged on the cover plate of circulatory pool upper end, and cover plate perimeter and spray column inwall are fixed；On cover plate, side is provided with desulfurizing agent tank, and cover plate is provided with material path corresponding to desulfurizing agent tank lower end discharging opening；Outside spray column lower end, side is provided with mixing pump, mixing pump transverse direction inlet pipe is placed in circulatory pool through spray column wall, the entrance location of mixing pump transverse direction inlet pipe is arranged corresponding to the position of described material path, mixing pump first vertically go out pipe upwards with laterally go out pipe one end and be connected, laterally go out the pipe other end and be placed in above described cover plate through spray column wall, laterally going out pipe and second vertically to go out pipe upper end and be connected, second vertically goes out pipe lower end is placed in circulatory pool upper end through cover plate；Described cover plate lower end is fixed with coaming plate, described material path, second vertically go out pipe lower end be placed in coaming plate in scope；Cover plate outside coaming plate is provided with and vertically fishes for mouth；The outlet pipe lower end of described vacuum hydroextractor is placed in circulatory pool upper end through described cover plate, the outlet pipe lower end of vacuum hydroextractor be placed in coaming plate in scope；Outside spray column lower end, opposite side is provided with circulating pump, the horizontal inlet pipe of circulating pump is placed in circulatory pool through spray column wall, the import of the horizontal inlet pipe of circulating pump be arranged on coaming plate around the lower section in scope, circulating pump vertically go out pipe be upwards connected with the import of spray column top spray system；Spray column wall between described concentration basin and spray system is provided with horizontal flue。
Being provided with overfolw hole on the spray column wall of described concentration basin upper end, spray column wall bottom is provided with containing part corresponding to overfolw hole, and containing part lower end is provided with the return port connected with described circulatory pool。
Described concentration basin adopts inverted cone concentration basin。
Described coaming plate adopts cylindric coaming plate。
The spray liquid of described spray system adopts 20-45 DEG C of water or lime aqueous solution。Spray optimum temperature 20-45 DEG C of water or lime aqueous solution, sulfur dioxide is become calcium bisulfite aqueous solution close to 100%, reach desulfurized effect close to 100%。
The spray liquid preparing PH=7-14 is stirred in the punching of described mixing pump。
Described desulfurizing agent tank lower end discharging opening output desulfurizing agent lime particle。
Liquid in described concentration basin is by under the outer vertical current of described overfolw hole to spray column, and ingress of air completes heat exchange, simultaneously completes oxidation and generates 2 water stone cream, and circulatory pool is entered in reduction water outlet。If being coal-fired flue-gas, concentration basin overflowing liquid is under the outer vertical current of tower, and ingress of air completes heat exchange and simultaneously completes oxidation generation 2 water stone cream, and circulatory pool is entered in reduction water outlet。Non-coal-fired flue-gas does not aoxidize, and does not produce 2 water stone cream。If being gas from oil burning, concentration basin overflowing liquid is under the outer vertical current of tower, and ingress of air completes the laggard circulatory pool of heat exchange。
Combustion refuse flue gas purifying technique of the present invention, comprises the following steps。
1) flue gas enters spray column by flue, is atomized through spray system, and flue gas becomes vaporific flue gas；Spray liquid after spray lands into concentration basin；Flue gas humidification spraying cooling technique, makes the water after gasification, oil, plastics cool to below dew point, precipitates out the droplet of droplet parcel minute solid particles, becomes vaporific flue gas and carry whole liquid of below dew point, solid grain contamination secretly。Flue gas cool-down after spray, precipitates out water, and stupid, hydrocarbon, footpath, stink water smoke drip and the droplet of solid particle of liquid parcel is mixed in flue gas, and flue gas becomes vaporific flue gas and enters electrostatic tower。
2) vaporific flue gas is upwardly into electrostatic tower；In electric field, the adsorbed pole of droplet is adsorbed, and converges along, under pole plate vertical current, entering concentration basin from the drop vertical landing that pole plate bottom drippage is millimeter particle diameter after increasing on pole plate, and water white transparency saturated flue gas is entered air from electrostatic tower top row air flue emission。
Various mist droplet particle sizes increase hundred times at electrostatic tower, reach particle diameter more than sedimentation critical grain size, become the drop of millimeter particle diameter。Depart from the flue gas of flowing, be separated。The flue gas not having droplet is the disposal of pollutants of saturated water white transparency flue gas " 0 "。The drips of millimeter particle diameter enters in spray column, owing to particle diameter is more than the sedimentation critical grain size of flue gas flow rate, so vertical sedimentation enters concentration basin。Water white transparency saturated flue gas is put into air from high-energy physics electric field top row, and thoroughly remove smoke pollution。
3) in concentration basin, solid particle vertical sedimentation enters vacuum hydroextractor again to the flood dragon of outlet at bottom, and the water deviate from flows back into circulatory pool, and the solid particle deviate from is moisture close to 10%, reclaims；It is discharged into vacuum hydroextractor from flood dragon, deviates from solid particle moisture 10% and reclaim；Elimination 2, heavy metal ion, 2 water stone cream, smoke contamination。Stink water smoke drip back is taken in concentration basin and is eliminated stink pollution。
4) concentration basin inner top clear liquor from peripheral overflow to tower outside, flow down along outer wall vertical, ingress of air, complete heat exchange, circulation fluid cools to close to room temperature；If desulphurization circulating liquid, simultaneously completing oxidation, the reduction water outlet of output 2 water stone cream, water enters circulatory pool。
4) kept off outside coaming plate by coaming plate at the light ash of circulatory pool internal ratio anharmonic ratio water and plastics secondary pollutant floating particle, swim on liquid level；Fish for recovery。
5) the agitated pump of the circulation fluid in coaming plate boosts and gets excited into circulatory pool, makes granule suspend, does not deposit。
If described flue gas is coal-fired flue-gas, the circulation fluid in circulatory pool adds Calx through desulfurizing agent tank, and agitated pump boosts and gets excited into circulatory pool, makes granule suspend, does not deposit；Prepare the spray liquid of PH7-14；Boost through circulating pump and spray flue gas into spray system。
If described flue gas is gas from oil burning, agitated pump boosts and gets excited into circulatory pool, makes granule suspend, does not deposit；Circulation fluid boosts through circulating pump and sprays flue gas into spray system。
It is understandable that, above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to the technical scheme described by the embodiment of the present invention, it will be understood by those within the art that, still the present invention can be modified or equivalent replacement, to reach identical technique effect；Needs are used, all within protection scope of the present invention as long as meeting。
Claims (10)
1. combustion refuse flue gas purifying equipment, including spray column, spray column upper end is electrostatic tower, and electrostatic tower upper end is smokejack, and spray column bottom is provided with concentration basin, it is characterised in that spray column lower end is provided with circulatory pool；The outlet of concentration basin lower end is connected with the flood dragon import below concentration basin, and flood dragon outlet is connected with the vacuum hydroextractor import below flood dragon, and vacuum hydroextractor is arranged on the cover plate of circulatory pool upper end, and cover plate perimeter and spray column inwall are fixed；On cover plate, side is provided with desulfurizing agent tank, and cover plate is provided with material path corresponding to desulfurizing agent tank lower end discharging opening；Outside spray column lower end, side is provided with mixing pump, mixing pump transverse direction inlet pipe is placed in circulatory pool through spray column wall, the entrance location of mixing pump transverse direction inlet pipe is arranged corresponding to the position of described material path, mixing pump first vertically go out pipe upwards with laterally go out pipe one end and be connected, laterally go out the pipe other end and be placed in above described cover plate through spray column wall, laterally going out pipe and second vertically to go out pipe upper end and be connected, second vertically goes out pipe lower end is placed in circulatory pool upper end through cover plate；Described cover plate lower end is fixed with coaming plate, described material path, second vertically go out pipe lower end be placed in coaming plate in scope；Cover plate outside coaming plate is provided with and vertically fishes for mouth；The outlet pipe lower end of described vacuum hydroextractor is placed in circulatory pool upper end through described cover plate, the outlet pipe lower end of vacuum hydroextractor be placed in coaming plate in scope；Outside spray column lower end, opposite side is provided with circulating pump, the horizontal inlet pipe of circulating pump is placed in circulatory pool through spray column wall, the import of the horizontal inlet pipe of circulating pump be arranged on coaming plate around the lower section in scope, circulating pump vertically go out pipe be upwards connected with the import of spray column top spray system；Spray column wall between described concentration basin and spray system is provided with horizontal flue。
2. combustion refuse flue gas purifying equipment according to claim 1, it is characterized in that the spray column wall of described concentration basin upper end is provided with overfolw hole, spray column wall bottom is provided with containing part corresponding to overfolw hole, and containing part lower end is provided with the return port connected with described circulatory pool。
3. combustion refuse flue gas purifying equipment according to claim 1, it is characterised in that described concentration basin adopts inverted cone concentration basin。
4. combustion refuse flue gas purifying equipment according to claim 1, it is characterised in that described coaming plate adopts cylindric coaming plate。
5. combustion refuse flue gas purifying equipment according to claim 1, it is characterised in that the spray liquid of described spray system adopts 20-45 DEG C of water or lime aqueous solution。
6. combustion refuse flue gas purifying equipment according to claim 1, it is characterised in that the spray liquid preparing PH=7-14 is stirred in the punching of described mixing pump。
7. combustion refuse flue gas purifying equipment according to claim 1, it is characterised in that described desulfurizing agent tank lower end discharging opening output desulfurizing agent lime particle。
8. combustion refuse flue gas purifying equipment according to claim 1, it is characterized in that the liquid in described concentration basin is by under the outer vertical current of described overfolw hole to spray column, ingress of air completes heat exchange, simultaneously completes oxidation and generates 2 water stone cream, and circulatory pool is entered in reduction water outlet。
9. combustion refuse flue gas purifying technique of the present invention, it is characterised in that comprise the following steps:
1) flue gas enters spray column by flue, is atomized through spray system, and flue gas becomes vaporific flue gas；Spray liquid after spray lands into concentration basin；
2) vaporific flue gas is upwardly into electrostatic tower；In electric field, the adsorbed pole of droplet is adsorbed, and converges along, under pole plate vertical current, entering concentration basin from the drop vertical landing that pole plate bottom drippage is millimeter particle diameter after increasing on pole plate, and water white transparency saturated flue gas is entered air from electrostatic tower top row air flue emission；
3) in concentration basin, solid particle vertical sedimentation enters vacuum hydroextractor again to the flood dragon of outlet at bottom, and the water deviate from flows back into circulatory pool, and the solid particle deviate from is moisture close to 10%, reclaims；
4) concentration basin inner top clear liquor from peripheral overflow to tower outside, flow down along outer wall vertical, ingress of air, complete heat exchange, circulation fluid cools to close to room temperature；If desulphurization circulating liquid, simultaneously completing oxidation, the reduction water outlet of output 2 water stone cream, water enters circulatory pool；
5) kept off outside coaming plate by coaming plate at the light ash of circulatory pool internal ratio anharmonic ratio water and plastics secondary pollutant floating particle, swim on liquid level；Fish for recovery；
6) the agitated pump of the circulation fluid in coaming plate boosts and gets excited into circulatory pool, makes granule suspend, does not deposit。
10. combustion refuse flue gas purifying technique according to claim 9, it is characterised in that if described flue gas is coal-fired flue-gas, the circulation fluid in circulatory pool adds Calx through desulfurizing agent tank, agitated pump boosts and gets excited into circulatory pool, makes granule suspend, does not deposit；Prepare the spray liquid of PH7-14；Boost through circulating pump and spray flue gas into spray system；
If described flue gas is gas from oil burning, agitated pump boosts and gets excited into circulatory pool, makes granule suspend, does not deposit；Circulation fluid boosts through circulating pump and sprays flue gas into spray system。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610241327.7A CN105688590B (en) | 2016-04-19 | 2016-04-19 | Combustion refuse flue gas purifying equipment and purification technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610241327.7A CN105688590B (en) | 2016-04-19 | 2016-04-19 | Combustion refuse flue gas purifying equipment and purification technique |
Publications (2)
| Publication Number | Publication Date |
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| CN105688590A true CN105688590A (en) | 2016-06-22 |
| CN105688590B CN105688590B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610241327.7A Expired - Fee Related CN105688590B (en) | 2016-04-19 | 2016-04-19 | Combustion refuse flue gas purifying equipment and purification technique |
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| CN106626486A (en) * | 2017-02-10 | 2017-05-10 | 谢洁萍 | Improved garbage dehydrator |
| CN107648965A (en) * | 2016-07-25 | 2018-02-02 | 庄建中 | The smoke comprehensive purifying technique and equipment of a kind of combustion refuse |
| CN110394043A (en) * | 2019-07-29 | 2019-11-01 | 庄建中 | A kind of flue gas and desulfurizing and denitrifying dedusting demister and technology |
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| Publication number | Publication date |
|---|---|
| CN105688590B (en) | 2018-01-30 |
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