CN106390644A - Guaranteeing apparatus for realizing ultralow discharge after standard reaching of fire coal flue gas - Google Patents
Guaranteeing apparatus for realizing ultralow discharge after standard reaching of fire coal flue gas Download PDFInfo
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- CN106390644A CN106390644A CN201610953436.1A CN201610953436A CN106390644A CN 106390644 A CN106390644 A CN 106390644A CN 201610953436 A CN201610953436 A CN 201610953436A CN 106390644 A CN106390644 A CN 106390644A
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- screen cloth
- flue gas
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- coal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/06—Separation units provided with means for cleaning and maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to the field of research, development, manufacturing and application of environmentally-friendly process apparatuses, relates to a designed boiler flue gas ultralow discharge reprocessing apparatus, and concretely relates to a guaranteeing apparatus for realizing ultralow discharge after standard reaching of fire coal flue gas. The apparatus comprises a box body, the bottom of the body is provided with a plurality of cone bottom pools, the inner chamber of the body is provided with a plurality of folded transmission net clothes, a sprinkling device is arranged above the net clothes, the body between the net cloths and the cone bottom pools is provided with a flue gas inlet, the top of the body is provided with a flue gas outlet, and the outer side of the body is provided with water tanks. A net cloth bin is arranged to delay a circulating cleaning water liquid sprinkled on the net clothes, alleviate the descending speed, conveniently prolong the flue gas contact action time and especially prevent flue gas escaping of bubble isolation water easily formed by flue gas and water. The left and right ship-shaped water tanks are arranged, one water tank is used, and the other one stands by, so water is circularly supplied, water is saved, and continuous running of a fuel gas purifying device is guaranteed.
Description
Technical field
The invention belongs to the research and development of green technology equipment manufacture application, the boiler smoke minimum discharge of institute's Development and design is again
Degree processing equipment, needs after that is, coal-fired flue-gas are up to standard to realize the guarantee equipment of minimum discharge again.
Background technology
The present invention is directed to China's Beijing-Tianjin Hebei and Shandong one band environmental administration and is instructed.2018, the bulk coal-fired layer of combustion fired Industrial Boiler cigarette
Gas discharges, and will issue, well below national 2014-4, the GB13271-2014-4 executing new《Boiler atmosphere pollution is arranged
Put standard》In special emission limit, that is, dust≤10/, sulfur dioxide≤50/, NOX≤100/.
The gas pollution control of the coal-burned industrial boiler of China's central heating in the past and process steam, will by environmental impact assessment and environmental protection
Ask, will be worked out in accordance with eight units such as the enviromental protection enterprise being carried by Zhejiang Hangzhou area and Beijing one and scientific research departments always
HJ4-44-62-2009《Industrial Boiler and stove Wet Process of FGD Project technical specification》And popular official compiles between several years
System《Recommend register》Carry out environmental impact assessment and environmental protection project after meeting is evaluated, then given an written reply by environmental administration.Mostly advise
Using electrostatic precipitation or bag-type dust or minimum also to adopt ceramic multi-tube dedusting, the second level must use and be covered by electricity generation boiler
Wet desulphurization tower carrying down etc. purifies technology pattern, and otherwise environmental impact assessment not passes through, especially China of Chinese Ministry of Environmental Protection's setting and
Ge great area supervision group also more strictly carries out this pattern regulation.Result is through practical proof in a few years, boiler user
All because equipment investment and operating cost are too high, clean-up effect is also unsatisfactory, often waits for an opportunity to stop steathily fume treatment auxiliary, then ring
Guarantor department is directed to and stops situation steathily and issue again to have to supporting online detection instrument and Environmental Protection Agency and network constantly monitored, exceeded just
Punishment instruction, under this strict control policy, though user's boiler put into suitable number operating cost enable up to standard,
If but realize rare minimum discharge in the world, it is quite difficult.
Content of the invention
The present invention needs to realize the guarantee equipment of minimum discharge it is simply that in order to solve this after providing a kind of coal-fired flue-gas up to standard again
One difficult problem and a kind of flue gas of Development and design up to standard after, using the cleaning water circulation method that purifies once again of washing of process capable of circulation
To strive reaching minimum discharge.
The technical solution of the present invention is：Need again after coal-fired flue-gas are up to standard to realize the guarantee equipment of minimum discharge, it is special
Levying is including box-type body, and organism bottom has multiple cone bucket bottom pond, and body inner chamber strung alongside has multigroup rugosity transmission net
Cloth, has spray equipment above screen cloth, the body between screen cloth and cone bucket bottom pond is provided with smoke inlet, and there is smoke evacuation body the top
Mouthful, it is provided with tank outside body.
In such scheme：
Every group of rugosity transmission screen cloth is driven by axis of rolling thick stick, and axis of rolling thick stick is in that horn shape is distributed up and down from the side, i.e. each net
Cloth corner is provided with an axis of rolling thick stick, has positive hand reel and reverse hand reel, screen cloth on body top frame
After leaning around axis of rolling thick stick, two ends are wound around with positive hand reel and reversely hand reel respectively.
The tank being provided with outside body is each setting in both sides one below body, and tank has water pump, pump tube with
Spray equipment connection connects.
Spray equipment is multiple spray nozzles.
Cone bucket bottom pond, tank are connected with contamination pond.
The mentality of designing of the present invention is exactly to carry out dedusting, desulphurization and denitration in the front end of air-introduced machine or rear portion in flue gas
Afterwards, carry out carrying out washing treatment once again using the desulphurization denitration preparation aqueous of cleaning circulation water or more cleaning, its technological core is
Ensure little to flue gas circulating resistance, flue gas is big with aqueous active area scope, and recirculated water liquid energy obtains on-line synchronous treatment and purification,
Always it is provided that clean water to clean flue gas, along with good fume-dehydrating function, be expected to realize minimum discharge index.
The method have the advantages that：1st, increased screen cloth storehouse, be the circulation cleaning aqueous in order to be detained top sprinkling, slow down decline
Speed, is easy to extend smoke contacts action time, particularly can stop and destroy flue gas and meet water often easily formation bubble exclusion of water makes
The effect that flue gas is escaped, this has been purified flue gas up to standard and has entered to need the process of a step, to scheme to realize so-called minimum discharge function
The technology of the present invention of effect, its Basic Mechanism is that the washing that using circulation cleaning aqueous, flue gas up to standard is carried out with a deep step
Advanced treating.The 3rd, positive hand reel is set, and reversely hand reel is connected with screen cloth, is easy to move out dust screen cloth, clears up screen cloth
Upper sedimentation dust, and without stopping production, improve work efficiency, improve dust removing effects.2nd, setting left and right sides ship shape tank, one uses one
Standby, periodical feeding, using water wisely, to ensure that flue gas purifying equipment continuously runs.
Brief description
Fig. 1 is the side elevation structure diagram of the present invention.
Fig. 2 is Fig. 1 left view structure diagram.
Fig. 3 is Fig. 1 top plan view structure diagram.
Specific embodiment
Referring to Fig. 1-3, parts title is as follows：Smoke inlet 1, cone bucket bottom pond 2, screen cloth storehouse 3, screen cloth 4, lower floor screen cloth 4-
4, upper strata screen cloth 4-6, axis of rolling thick stick 5, body 6, spray nozzle 7, positive hand reel 9, reversely hand reel 10, exhaust opening 11,
Gutter channel 12, cone bucket 13, cone bucket pressure handle valve 14, tank 15, water pump 16, blowoff valve 17, contamination pond 18.
Referring to Fig. 1, the guarantee equipment realizing minimum discharge after coal-fired flue-gas are up to standard, is needed to support the use with boiler dust remover again.
The guarantee equipment realizing minimum discharge is needed to include box-type body 6 after coal-fired flue-gas are up to standard again, body 6 bottom has many
Individual cone bucket bottom pond 2, body 6 inner chamber strung alongside has multigroup rugosity transmission screen cloth 4, has spray equipment, screen cloth 4 above screen cloth 4
Body and cone bucket bottom pond 2 between is provided with smoke inlet 1（The cigarette that cleaner unit ejects）, there are exhaust opening 11, machine in body 1 the top
External side is provided with tank 15.
Every group of rugosity transmission screen cloth is driven by axis of rolling thick stick 5, and axis of rolling thick stick is in that horn shape is distributed, that is, about 5 from the side
Each screen cloth 4 corner is provided with an axis of rolling thick stick 5, three axis of rolling thick sticks 5 altogether, forms triangle, constitutes screen cloth storehouse 3.
Positive hand reel 9 and reverse hand reel 10 are had on body 6 top frame, screen cloth 4 lean around axis of rolling thick stick 5 after two ends respectively
It is wound around with positive hand reel 9 and reversely hand reel 10.
Referring to Fig. 1-3, the tank 15 being provided with outside body 6 is each setting in both sides one below body（Shipping agency tank）,
One work, one standby.Water pump 16 is had on tank 15, pump tube is connected with spray equipment connection.
Spray equipment is multiple spray nozzle 7.Cone bucket bottom pond 2, tank 15 are connected with contamination pond 18.
Flue gas is after the dedirt of previous stage, desulfurization, out of stock purification, then enters this equipment by smoke inlet 1, and flue gas can stand
I.e. be full of cone bucket bottom pond 2 water surface on space, now flue gas just can with 1.5m-1.8m per second about speed rise, simultaneously
Also in the space on the water surface with spray the aqueous very light rain getting off above and contact with each other washing, when flue gas rises to screen cloth storehouse 3,
Formed being covered between lower floor screen cloth 4-4 and upper strata screen cloth 4-6 surface mesh to be sprayed by circulation cleaning Water spray nozzle 7 again
Vapor membrane between two layers of mesh cloth mesh is met.Flue gas is to penetrate lower floor screen cloth 4-4, upper strata screen cloth 4-6 two-layer screen cloth numerous
During screen cloth mesh vapor membrane, realize more comprehensively washing reaction or even effect of mass transmitting.Here set lower floor screen cloth 4-
4th, upper strata screen cloth 4-6 screen cloth, is made with 15-20 mesh chinlon screen cloth, by three changed courses being horizontally through in screen cloth storehouse 3
Axis of rolling thick stick 5, screen cloth is tightened this lower floor screen cloth 4-4, when upper strata screen cloth 4-6 protrudes upward ceiling again, then can be wrapped in top
Positive and negative the two of canopy setting form and can run not blowing out normal to hand reel 9,10, screen cloth 4 can be moved out ceiling, people online
Work cleaning pump shower nozzle rinses the functional mechanism accumulating dirt on screen cloth 4.Its major function of setting transmission screen cloth 4 is in order to stagnant
Stay the circulation cleaning aqueous that top is sprayed, slow down decrease speed, be easy to extend smoke contacts action time, particularly can stop with
Destroy flue gas chance water and often easily form the effect that bubble exclusion of water makes flue gas escape.Flue gas rising penetrates lower floor screen cloth 4-4, upper strata
It is subjected to after screen cloth 4-6 two-layer in spray storehouse, amounting to the spray of 15 circulation cleaning Water spray nozzles 7 again（Water after spraying
Equably spread is on lower floor screen cloth 4-4, upper strata screen cloth 4-6 two-layer screen cloth）Form relatively uniform moisture film between mesh, can
The continuous Interaction Between Smoke accepting to rise, flue gas flow direction exhaust opening 11 side after process, then the multilamellar through vertical screen cloth 4
Stop dehydration, cleaner flue gas is directly passed through chimney in a high position for chimney, reaches minimum discharge.
The trickleer dirt washing out through spray and screen cloth vapor membrane, converges long-pending in multiple cone buckets 13 and precipitates, fixed
When body 6 is given off by cone bucket pressure handle valve 14, Sewage Disposal can be transported to and focus on.
In order to whole spray system provides and store cleaning aqueous, two ship shape tanks 15 of special setting, it is placed in main body 6 about
Both sides, two row's pillars of main body 6 are respectively supported on the level trough bottom in left and right ship shape tank 15, at four of ship shape tank
Angle respectively soaks fiberglass water pump 16 under a 3.0-5.5km liquid, provides recirculated water two for point left and right sides to body 6 spray system
With being equipped with, the unnecessary water exceeding working water level in main body 6 can overflow to ship shape tank 15 from water seal overflow tank 12, shape
Become the steady-state cycle process that equalizes up and down.The purpose of setting left and right sides ship shape tank 15 is the using and the reserved, to ensure gas cleaning
Equipment continuously runs, but the water in ship shape tank 15, with also regularly replacing it is ensured that slurry to a certain extent
Clean as far as possible.Be accomplished by enough deposits of water, closely supply in time, the synchronous purification of work water is processed, and water with
How as far as possible the long period interacts flue gas, left and right two ship to scheme fully to clean remaining dirt, set by the present invention
Shape tank 15 and cone bucket bottom pond 2 are it is simply that ensure that laying in ample stocks of of circulation clean water is applied repeatedly with synchronization process purification.
On the top cover of main body 6 of the present invention, positive and negative hand reel 9 that five groups of positive and negative both directions of setting all can be interactive,
10, can operate when body 6 runs in hand two reels 9,10, by body 6 inner surface adhere to dirt lower floor screen cloth 4-4,
Upper strata screen cloth 4-6 pulls out ceiling when the time comes, that is, with drawing with the water pistol with cleaning pump, screen cloth is rinsed well and is entangled in reel
9th, standby on 10, body 6 of again pulling back when selecting works, and replaces another part screen cloth pull-out ceiling and rinses standby, to rinse dirt
Thing current, converge and flow to the contamination pond 18 that in addition ground arranged, also can exclude cone bucket 13 and both sides ship shape tank 15 bottom
The sewage that the blowoff valve 17 of portion's setting is discharged, dirt completely enter contamination pond 18 and focus on.The present invention is not only with cleaning
Water cleans micronic dust, if in water body throw in solubility dehydration denitration liquor, can remove sulfur dioxide in flue gas, NOX residual
Stay thing, realize minimum discharge index.The constantly networking monitoring of especially reply on-line computing model is it is ensured that constantly qualified discharge.
Ship shape tank 15 and seat on the cone bucket bottom pond 2 on two ship shape tank tops, and be seated in cone bucket bottom pond 2 it
On folded cloth storehouse 3 of being caught, be strengthening succi Nicotiana tabacum L. effect functional areas.Screen cloth storehouse 3 is characterised by that five-seven sections are divided in each storehouse
（Each segmental length is in 1.2m-1.5m) lateral penetration arranges the changed course axis of rolling thick stick 5 that screen cloth 4 is tightened in three windings, can make
Screen cloth 4 can form the symmetrical ramped shaped arrangement of upper and lower two-layer in this storehouse, to make oblique stream on the aqueous screen cloth 4 of top sprinkling
Drop down, and form vapor membrane between mesh, flue gas also can be made must to realize succi Nicotiana tabacum L. by numerous mesh equably mutually abundant
Effect, the feature of changed course axis of rolling thick stick 5 is to be fixed axle thick stick with DN4-65-DN100 common steel tube, and PP2 material is commonly used in overcoat draining
Matter tube coupling, is easy to screen cloth and can easily move in PP2 sleeve pipe.Screen cloth 4 is tightened by changed course axis of rolling thick stick 5 and is protruded upward body 6 top cover,
With positive and negative hand reel volume 9,10 companies（Such as belt transmission）, top cover sets rubber slab and is close to seal clearance, be allowed to by this gap
The screen cloth stretching out reduce as far as possible leak out, gas leakage, leak.Ceiling or the net by ceiling and return are stretched out by rubber slab seal clearance
Cloth 4, on the positive and negative positive and negative hand reel 9,10 being wrapped on ceiling two arris setting, the diameter of hand reel meets and is twined
Standby winding thickness requirement after work screen cloth washing, positive and negative hand reel 9,10 is fixed on top cover, also may be used when having ready conditions
Using electric reel.Multiple circulated sprinkling nozzles 7 are arranged on screen cloth storehouse 3（It is arranged side by side in the width direction in Fig. 3 four, along length
Degree direction arranged for interval five row such as Fig. 1）, led to by the upper hose that water pump 16 under the glass molten steel in bottom ship shape tank 15 exports
Spray pipeline, spray pipeline connects 5 multigroup spray arms（It is five groups in Fig. 3）, stainless equipped with 314-6L on every spray arm
Steel screw spraying nozzle 7, can by circulation aqueous relatively evenly spread formed between mesh on the ramped shaped screen cloth 4 in screen cloth storehouse 3
Steam membrane filtration.
It is described above, simply the specific embodiment of the present invention, the various illustrations not flesh and blood structure to the present invention
Become to limit.
Claims (5)
1. need again after coal-fired flue-gas are up to standard to realize the guarantee equipment of minimum discharge, it is characterized in that including box-type body（6）, body
（6）Multiple cone bucket bottom pond is arranged at bottom（2）, body（6）Inner chamber strung alongside has multigroup rugosity transmission screen cloth（4）, screen cloth（4）On
There are spray equipment, screen cloth in side（4）With cone bucket bottom pond（2）Between body be provided with smoke inlet（1）, body（1）There is row the top
Mouth（11）, outside body, it is provided with tank（15）.
2. need again after up to standard to realize the guarantee equipment of minimum discharge according to the coal-fired flue-gas described in claim 1 it is characterised in that
Every group of rugosity transmission screen cloth is by axis of rolling thick stick（5）Drive, axis of rolling thick stick from the side（5）Up and down be in horn shape be distributed, that is, each
Screen cloth（4）Corner is provided with an axis of rolling thick stick（5）, in body（6）Positive hand reel is had on top frame（9）With reverse
Hand reel（10）, screen cloth（4）Lean around axis of rolling thick stick（5）Afterwards two ends respectively with positive hand reel（9）Reversely hand reel
（10）It is wound around.
3. need again after up to standard to realize the guarantee equipment of minimum discharge according to the coal-fired flue-gas described in claim 1 or 2, its feature exists
In body（6）The tank that outside is provided with（15）It is each setting in both sides one, tank below body（15）On have water pump（16）, water
Pump conduit is connected with spray equipment connection.
4. need again after up to standard to realize the guarantee equipment of minimum discharge according to the coal-fired flue-gas described in claim 3 it is characterised in that
Spray equipment is multiple spray nozzles（7）.
5. need again after up to standard to realize the guarantee equipment of minimum discharge according to the coal-fired flue-gas described in claim 1 it is characterised in that
Cone bucket bottom pond（2）, tank（15）With contamination pond（18）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953436.1A CN106390644A (en) | 2016-11-03 | 2016-11-03 | Guaranteeing apparatus for realizing ultralow discharge after standard reaching of fire coal flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953436.1A CN106390644A (en) | 2016-11-03 | 2016-11-03 | Guaranteeing apparatus for realizing ultralow discharge after standard reaching of fire coal flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106390644A true CN106390644A (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610953436.1A Pending CN106390644A (en) | 2016-11-03 | 2016-11-03 | Guaranteeing apparatus for realizing ultralow discharge after standard reaching of fire coal flue gas |
Country Status (1)
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2369749Y (en) * | 1998-11-19 | 2000-03-22 | 曹冬生 | Dust settling and desulfurating tower |
| CN2486199Y (en) * | 2001-05-31 | 2002-04-17 | 周元乔 | Purifier for fume and fog |
| CN102309904A (en) * | 2011-10-21 | 2012-01-11 | 赵建勋 | Water curtain machine with filter screen flushing device |
| CN102527175A (en) * | 2010-12-16 | 2012-07-04 | 中国石油化工股份有限公司 | Dust catcher |
| CN103143214A (en) * | 2011-12-06 | 2013-06-12 | 中国石油化工股份有限公司 | Dust catcher |
| CN203564912U (en) * | 2013-11-26 | 2014-04-30 | 王达胜 | De-dusting desulfurization chimney for liquid film |
| CN203764121U (en) * | 2014-04-20 | 2014-08-13 | 关云彪 | Movable back-flushing screen cloth water vapor membrane filtering denitration and fine dust purifying equipment |
| CN203954941U (en) * | 2014-07-08 | 2014-11-26 | 厦门唯科健康科技有限公司 | A kind of water-washing cleaning cartridge |
| CN205461526U (en) * | 2016-01-29 | 2016-08-17 | 济南城市之翼环保科技有限公司 | Steelmaking tail gas sulphur removal spray set |
| CN205517189U (en) * | 2016-01-23 | 2016-08-31 | 湖南省锐驰环保科技有限公司 | Simple and easy spray column |
| CN206214958U (en) * | 2016-11-03 | 2017-06-06 | 关云彪 | Need to realize the guarantee equipment of minimum discharge after coal-fired flue-gas are up to standard again |
-
2016
- 2016-11-03 CN CN201610953436.1A patent/CN106390644A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2369749Y (en) * | 1998-11-19 | 2000-03-22 | 曹冬生 | Dust settling and desulfurating tower |
| CN2486199Y (en) * | 2001-05-31 | 2002-04-17 | 周元乔 | Purifier for fume and fog |
| CN102527175A (en) * | 2010-12-16 | 2012-07-04 | 中国石油化工股份有限公司 | Dust catcher |
| CN102309904A (en) * | 2011-10-21 | 2012-01-11 | 赵建勋 | Water curtain machine with filter screen flushing device |
| CN103143214A (en) * | 2011-12-06 | 2013-06-12 | 中国石油化工股份有限公司 | Dust catcher |
| CN203564912U (en) * | 2013-11-26 | 2014-04-30 | 王达胜 | De-dusting desulfurization chimney for liquid film |
| CN203764121U (en) * | 2014-04-20 | 2014-08-13 | 关云彪 | Movable back-flushing screen cloth water vapor membrane filtering denitration and fine dust purifying equipment |
| CN203954941U (en) * | 2014-07-08 | 2014-11-26 | 厦门唯科健康科技有限公司 | A kind of water-washing cleaning cartridge |
| CN205517189U (en) * | 2016-01-23 | 2016-08-31 | 湖南省锐驰环保科技有限公司 | Simple and easy spray column |
| CN205461526U (en) * | 2016-01-29 | 2016-08-17 | 济南城市之翼环保科技有限公司 | Steelmaking tail gas sulphur removal spray set |
| CN206214958U (en) * | 2016-11-03 | 2017-06-06 | 关云彪 | Need to realize the guarantee equipment of minimum discharge after coal-fired flue-gas are up to standard again |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |