CN108079711A - Cigarette water people having a common goal's dust-extraction unit - Google Patents

Cigarette water people having a common goal's dust-extraction unit Download PDF

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Publication number
CN108079711A
CN108079711A CN201711482130.3A CN201711482130A CN108079711A CN 108079711 A CN108079711 A CN 108079711A CN 201711482130 A CN201711482130 A CN 201711482130A CN 108079711 A CN108079711 A CN 108079711A
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water
chimney
dust
wall
water channel
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CN201711482130.3A
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CN108079711B (en
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沈联峰
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • 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
    • B01D53/14Separation 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 absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • 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
    • B01D53/14Separation 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 absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • B01D53/185Liquid distributors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a kind of cigarette water people having a common goal's dust-extraction units, it includes chimney, water channel, water feed apparatus, discharging device and conical drainage cover, the inner wall of chimney is metallic conduit, water channel is vertically arranged in the inside of chimney, multiple hole for water sprayings are equipped on the tube wall of water channel, the water inlet of water channel is connected with the water outlet of water feed apparatus, and discharging device is equipped on chimney, which includes annular water receiving tank and exhalant canal;Conical drainage cover is located at the bottom of the chimney.The present apparatus can laterally spray thousands of or even up to a million waterlines in the same time on the basis of smoke evacuation is not influenced as far as possible in chimney, form the ring radiation shape dedusting network of rivers, and every waterline rebounds after inner wall of stack is struck can be dispersed into the stereo dust-cleaning network that multiple smaller waterlines form multi-direction injection again, contact area and the time of water and flue gas are substantially increased, improves dust removing effects.

Description

Cigarette water people having a common goal's dust-extraction unit
Technical field
The invention belongs to flue gas ash removal fields, and in particular to a kind of cigarette water people having a common goal's dust-extraction unit for chimney.
Background technology
Industrial dust be often referred to the industrial waste gas of dust-laden or result from crushing in solid material process, screening, The mechanical processes such as conveying, explosion result from minute dusts during burning, high-temperature fusion and chemical reaction etc..Wherein work The dust of industry exhaust gas contains the dust that granularity is big, chemical composition is identical with original solid matter, and to contain granularity small, chemically by the latter Matter has other flue dust with generating its substance, and the generation of particulate matter can be reduced by improving production technology and combustion technology.
These industrial waste gases often discharged in industrial processes such as can pollute air without processing directly discharge Environment can cause the bad climates such as haze, acid rain and human body respiration tract disease etc., cause social effects of pollution.Therefore industrial dust It administers, particularly effective improvement of industrial waste gas, is air conservation, makes the important means of factory's pollutant discharge in compliance with the standard.
The processing unit of industrial dust exhaust gas common at present includes mechanical dust collector, electric precipitator, filtering bag-type dusting Device, scrubber etc..Wherein, mechanical dust collector removes grit by mechanical force from air-flow, simple in structure, installation cost It is relatively low with running cost, but efficiency of dust collection is not high;Electric precipitator realizes that dust particles are separated with air-flow using electrostatic force, substantially Have two kinds of board-like electric precipitation and tubular type electric precipitation, the gas-flow resistance of electric precipitation is small, efficiency of dust collection up to more than 99%, electric precipitation Initial cost is higher, and floor space is also larger.Filtering sack cleaner makes dust-contained airflow divide grit particle by pocket type filtrate From trapping, efficiency of dust collection is higher by generally 90%~99%, but is influenced by the heatproof of pocket type filter material, is not suitable for temperature sometimes High dust-laden industrial waste gas;Scrubber washs dust-laden industrial gasses with liquid (being typically water and organic solvent), makes grit It collides and is captured with drop or liquid film, and separated with air-flow, efficiency of dust collection is 80%~95%, and running expense is higher, is absorbed The waste liquid to get off needs to consider recycling or carries out after-treatment.
With water dedusting by the way of existing equipment or scrubber generally use spray using water source dedusting, either Flue surrounding is centered around with foraminate water pipe, the water mist sprayed by aperture forms water membrane in flue and removed Dirt.Shower water line density is inadequate caused by the former, it is impossible to the abundant Long Term Contact of flue gas, it is difficult to reach effective dedusting effect Fruit, and since flue area is limited, the longitudinal direction of generation or the waterline limited amount of parabolic shape can not be applied to actual raw Production.The latter is of high cost, and generated water mist and smoke contacts time are short, and can influence the discharge of flue gas.In addition both sides The water consumption of method is all very big, and the water sprayed can accelerate when flowing downward along flue sidewall flue center section air-flow to accelerate row Go out, more reduce dust removing effects;Reverse V-shaped moisture film is easily formed on flue madial wall when water spray is excessive, causes smoke evacuation not Smooth or closure flue.
The content of the invention
The purpose of the invention is to overcome the above problem, a kind of cigarette water people having a common goal's dust-extraction unit for chimney is provided.This Device can greatly improve the contact area of water and flue dust, effectively dissolve or mix most flue dust impurity, make industrial waste gas Good improvement is obtained.
The purpose of the present invention can be achieved by the following measures:
A kind of cigarette water people having a common goal's dust-extraction unit, it includes chimney, water channel, water feed apparatus, discharging device and conical drainage cover, institute The inner wall of chimney is stated as metallic conduit, one or more water channels are vertically arranged in the inside of the chimney, in the water The tube wall in road be equipped with it is multiple the water in water channel to spray to the horizontal hole for water spraying of inner wall of stack, the water inlet of the water channel with The water outlet of the water feed apparatus is connected by pipeline, and one or more discharging devices, the water outlet are equipped on the chimney Device includes the annular water receiving tank fitted on inner wall of stack and the water for making to be collected into being connected with the ring-type water receiving tank is direct Through the exhalant canal of chimney wall export chimney;The conical drainage cover for preventing water outflow chimney bottom is located at the cigarette The bottom of chimney.
Water channel in the present apparatus can be longitudinally suspended vacantly by one or more layers water channel attachment device inside the chimney.
Further, water channel attachment device can be in that multilayer is set, between the longitudinal direction between adjacent two layers water channel attachment device It is divided into 0.5~2m.In a kind of concrete scheme, water channel attachment device includes retainer ring and at least three fixed frames, the fixation Ring is fixedly connected with the periphery wall of the water channel, and one end of the fixed frame is connected with the retainer ring, the other end of fixed frame It is connected with inner wall of stack;The retainer ring and fixed frame be opening upwards and it is internal be connected to will be on water channel outer wall Water guide to the groove-like structure of inner wall of stack.
The length of water channel is the 60~80% of chimney height in the present apparatus, the hole for water spraying on water channel a diameter of 0.1~ 3mm。
Water feed apparatus in the present invention includes intake pump and inlet pipeline, and the outlet of the intake pump passes through the water inlet pipe Road is connected with the water inlet of the water channel lower part;Point for maintaining each height stable water pressure inside water channel is equipped in the water channel Section baffling device.
The exhalant canal of discharging device tilts down to be collected into favor of the discharge annular water receiving tank from chimney to outer Water;The discharging device is on chimney in one or more layers setting.
Discharging device further comprises filter device and outlet conduit, and the entrance of the filter device passes through the outlet pipe Road is connected with the exhalant canal of discharging device, and the water outlet of the filter device is connected to external water storage by outlet conduit Device or circulation reusing device.Filter device includes one or more filtering ponds, and the filtering ponds are internally provided with parallel with bottom of pond To filter out flue dust in water and maintain the strainer of waterflow stabilization off the net, the inlet and outlet of the filtering ponds are equipped with drop The intercept net of flue dust translational speed in low sewage.
In the present apparatus, the chimney seat that internal diameter is more than chimney is equipped in the bottom of the chimney, the conical drainage cover is located at Inside the chimney seat, being left between the surrounding of the conical drainage cover and chimney seat inner wall makes cigarette arrange the smoke-outlet flue to chimney; Cricoid guiding gutter and the drainage channel connected with the guiding gutter are equipped on the inner wall of the chimney seat.
Further, it can be equipped on the top of chimney inner lead and accelerate smoke evacuation or prevent the exhausting of air blow back from filling It puts.
Cigarette water people having a common goal's dust-extraction unit of the present invention makes waterline horizontal from the middle part of chimney or flue to the inner wall of chimney or flue To injection, overcome that longitudinal waterline quantity is few, low density limitation, it can be in same a period of time on the basis of smoke evacuation is not influenced as far as possible Between laterally spray thousands of or even up to a million waterlines in chimney, form the ring radiation shape dedusting network of rivers, and every Waterline rebounds after inner wall of stack is struck and can be dispersed into multiple smaller waterlines, while waterline number is further increased The stereo dust-cleaning network of multi-direction injection is even more constituted, substantially increases contact area and the time of water and flue gas, is improved Dust removing effects.During using the present apparatus to black flue gas ash removal, most impurity in flue dust or particulate matter dissolving can be made Or in mixing water inlet, so as to discharge colourless flue gas, there are splendid dust removing effects.
Description of the drawings
A kind of structure diagram of Fig. 1 present invention;
The water channel of Fig. 2 present invention and water channel attachment device longitudinal sectional view;
Fig. 3 is the top waterline direction schematic diagram of two kinds of spray columns of the prior art and the application device;
Wherein A is top down spray column, and B is top transverse direction spray column, and C is the waterline schematic diagram of the present invention;
Fig. 4 is a kind of structure diagram of effluent water filtering device of the present invention;
In figure, 1- chimneys, 2- water channels, 3- water feed apparatus, 4- discharging devices, 5- conical drainage covers, 6- ring-type water receiving tanks, 7- Hole for water spraying, 8- chimney seats, 9- water channel attachment devices, 10- guiding gutters, 11- extractor fans, 21- retainer rings, 22- fixed frames, 31- Waterline, 32- spray columns, 33- top spray heads, 41- filter tanks one, 42- filter tanks two, 43- filter tanks three, 44- strainers one, 45- strainers Two, 46- strainer three, 51- intercept nets one, 52- intercept nets two, 53- intercept nets three, 54- intercept nets four, 55- intercept nets five, 56- Intercept net six, 61- dust-laden sewage, 62- clear water.
Specific embodiment
Present disclosure is illustrated with reference to the accompanying drawings and examples.But example described below is in order to better It illustrates this patent, is not the protection domain for limiting this patent.
As shown in Figure 1, this cigarette water people having a common goal dust-extraction unit includes chimney, water channel, water feed apparatus, discharging device and conical drainage Cover.Wherein, the inner wall of chimney is metallic conduit or metal material, and one or more water channels are vertically arranged in the inside of chimney. Water channel is tubular structure, according to the internal diameter size of chimney, can set the water channel of one, two, three or more.When water channel have it is more When a, multiple water channels are respectively positioned on the center inside chimney.
On the tube wall of water channel be equipped with it is multiple the water in water channel to be sprayed to the horizontal hole for water spraying of inner wall of stack, according to cigarette The size of chimney and the requirement for forming waterline, the diameter of hole for water spraying can adjust in the range of 0.1~3mm.
Water channel can be longitudinally suspended vacantly by one or more layers water channel attachment device inside the chimney.Preferred water channel Attachment device can be in that multilayer is set, and longitudinally spaced between adjacent two layers water channel attachment device is 0.5~2m.The length of water channel For the 60~80% of chimney height.As shown in Fig. 2, water channel attachment device includes retainer ring and at least three fixed frames, it is described solid The periphery wall for determining ring with the water channel is fixedly connected, and one end of the fixed frame is connected with the retainer ring, fixed frame it is another End is connected with inner wall of stack;The retainer ring and fixed frame be opening upwards and it is internal be connected to by water channel outer wall On water guide to the groove-like structure of inner wall of stack.
The water inlet of water channel is connected with the water outlet of water feed apparatus by pipeline, and the water inlet of water channel is located under water channel Side or bottom.Water feed apparatus includes intake pump and inlet pipeline, and the outlet of intake pump passes through the inlet pipeline and the water channel The water inlet of lower part is connected;It can be further provided with maintaining the segmentation barrier dress of each height stable water pressure inside water channel in water channel It puts.
One or more discharging devices are equipped on chimney, according to the height of chimney and actual demand, can determine that water outlet fills The quantity put.The discharging device includes the annular water receiving tank fitted on inner wall of stack and makes with what the ring-type water receiving tank was connected The water being collected into is directly through the exhalant canal of chimney wall export chimney;The exhalant canal of discharging device is from chimney to outer downward It tilts to discharge the water that the annular water receiving tank is collected into.Discharging device further comprises filter device and outlet conduit, The entrance of the filter device is connected by the outlet conduit with the exhalant canal of discharging device, and the filter device goes out The mouth of a river is connected to external water storage device or circulation reusing device by outlet conduit.
The filter device of discharging device is serially connected including one or more or/and parallel filtering pond, is set inside filtering ponds There are parallel with bottom of pond to filter out flue dust in water and maintain the strainer of waterflow stabilization off the net, the inlet and outlet of filtering ponds Being equipped with reduces the intercept net of flue dust translational speed in sewage, and wherein intercept net is also a kind of filtering bigger than foregoing strainer of mesh Net.Contained flue dust can be flowed in sewage with very big speed in dust-laden sewage, be difficult to remove by general filter method Or cost is larger.The flue dust in sewage dexterously is blocked by the way of strainer and intercept net in the application, is blocked Cutting net makes flue dust slow down, and strainer will make filtering ponds lower part waterflow stabilization to connecing after the smoke dust filtering after deceleration to filtering ponds bottom Nearly table stationary state, using it is this it is succinct by the way of the flue dust in sewage can be made smoothly to be settled down to filtering ponds bottom, periodically will It is removed from bottom of pond.When using a filter tank clear water can not be obtained, two or more filtering ponds strings can be used The mode of connection is handled, the clear water finally handled via filter device, can be with direct reuse, to save cost.
By taking Fig. 4 as an example, filter device includes filter tank one, filter tank two and filter tank three, and three filter tanks are serially connected by water pipe, The strainer parallel with bottom of pond (such as strainer one, strainer two and strainer three) is equipped at the middle part in each filter tank or middle and upper part.Three The inlet and outlet in a filter tank are equipped with intercept net (such as intercept net one, intercept net two, intercept net three, intercept net four, interception Net five, intercept net six), through verifying on the spot, this filter device can export the dust-laden sewage water filtration of black into clear water.
In the present apparatus, the chimney seat that internal diameter is more than chimney is equipped in the bottom of chimney, for preventing water from flowing out chimney bottom Conical drainage cover be located inside the chimney seat of chimney bottom, being left between the surrounding of conical drainage cover and chimney seat inner wall makes cigarette Arrange the smoke-outlet flue to chimney;Cricoid guiding gutter is equipped on the inner wall of chimney seat and is led to the draining that the guiding gutter connects Road.
The present invention can also be equipped with the extractor fan for accelerating smoke evacuation or preventing air blow back on the top of chimney inner lead, Such as exhaust fan or exhausting blade etc..A large amount of waterlines inside chimney can make rising flue gas gradually cool down, reduction flow velocity, and exhausting Device, which can make up, to be risen flue gas partial the problem of being short of power and makes air-flow velocity steady.In addition, if encounter extreme weather, example Such as when outside the outlet of chimney top cold air sharp fall, wind speed is excessive or wind direction under blow when, when air pushes down on, be easy to cause cigarette Smoke backflow in chimney or cigarette influence normal operation, and operation can then be lifted up air-flow to extractor fan in due course.Avoid this The generation of kind problem.
Operationally, the flue gas with pollutants such as dust is below chimney seat upwards through chimney seat and conical drainage for the present apparatus Cover is discharged into chimney.Water feed apparatus is opened, hydraulic pressure is entered in water channel, and passes through multiple hole for water sprayings and outwards sprays a plurality of waterline, water Line is dispersed into the not defined waterline in more a plurality of direction after striking the chimney wall of metal, forms the three-dimensional waterline net such as horizontal, oblique Network, as shown in the C in Fig. 3.Shown in the three-dimensional waterline network and the A of Fig. 3 that the present apparatus is formed hang downwards restrict water supply Only top section shown in the B of line and Fig. 3 does not have comparativity, and the A and B of Fig. 3 between spraying formed network In waterline density it is inadequate, and liquid distribution is very fast in top cooling, accelerates chimney internal gas convection current effusion, spray waterline is not Flue dust can be come into full contact with, it is impossible to reach dedusting purpose, this is also that current water source dedusting is not applied in actual industrial production One of reason.
The present apparatus is real when flue gas is upward through three-dimensional waterline network due to there is intensive waterline distribution in dedusting Blend with thousands of waterlines fully to remove the pollutants such as dust therein on border.When three-dimensional waterline web influence to flue gas During upward power, the extractor fan that can be opened in chimney provides power for flue gas.The water that hole for water spraying sprays finally converges in cigarette It on chimney inner wall, is exported via one or more discharging devices to outside chimney, can continue to return to the present apparatus using filter operation Middle use.The water converged on water channel outer wall is also drained on inner wall of stack via the water channel attachment device of groove-like structure.On a small quantity When water does not drip downwards in chimney derived from discharging device, instill on conical drainage cover, via leading on chimney seat inner wall Sink is collected, and is finally discharged by drainage channel.

Claims (10)

1. a kind of cigarette water people having a common goal's dust-extraction unit, which is characterized in that it includes chimney, water channel, water feed apparatus, discharging device and taper Drainage cover, the inner wall of the chimney is metallic conduit, and one or more water channels are vertically arranged in the inside of the chimney, On the tube wall of the water channel be equipped with it is multiple the water in water channel to be sprayed to the horizontal hole for water spraying of inner wall of stack, the water channel Water inlet is connected with the water outlet of the water feed apparatus by pipeline, and one or more water outlets are equipped on the chimney and are filled It puts, which includes the annular water receiving tank fitted on inner wall of stack and make to be collected into what the ring-type water receiving tank was connected Water directly through chimney wall export chimney exhalant canal;For preventing the conical drainage cover position of water outflow chimney bottom In the bottom of the chimney.
2. cigarette water people having a common goal's dust-extraction unit according to claim 1, which is characterized in that the water channel passes through one or more layers water Road attachment device is longitudinally suspended vacantly inside the chimney.
3. cigarette water people having a common goal's dust-extraction unit according to claim 2, which is characterized in that the water channel attachment device is set in multilayer It puts, longitudinally spaced between adjacent two layers water channel attachment device is 0.5~2m;The water channel attachment device is including retainer ring and extremely Few three fixed frames, the retainer ring are fixedly connected with the periphery wall of the water channel, one end of the fixed frame and the fixation Ring connects, and the other end of fixed frame is connected with inner wall of stack;The retainer ring and fixed frame are opening upwards and internal phase Connection guiding the water on water channel outer wall to the groove-like structure of inner wall of stack.
4. cigarette water people having a common goal's dust-extraction unit according to claim 1, which is characterized in that the length of the water channel is chimney height 60~80%;A diameter of 0.1~3mm of hole for water spraying on the water channel.
5. cigarette water people having a common goal's dust-extraction unit according to claim 1, which is characterized in that the water feed apparatus include intake pump and Inlet pipeline, the outlet of the intake pump are connected by the inlet pipeline with the water inlet of the water channel lower part;Described The segmentation baffling device for maintaining each height stable water pressure inside water channel is equipped in water channel.
6. cigarette water people having a common goal's dust-extraction unit according to claim 1, which is characterized in that the exhalant canal of the discharging device is certainly To tilting down outside in favor of discharging the water that the annular water receiving tank is collected into chimney;The discharging device is in one on chimney Layer or multilayer are set.
7. cigarette water people having a common goal's dust-extraction unit according to claim 1, which is characterized in that the discharging device includes filter device And outlet conduit, the entrance of the filter device is connected by the outlet conduit with the exhalant canal of discharging device, described The water outlet of filter device is connected to external water storage device or circulation reusing device by outlet conduit.
8. cigarette water people having a common goal's dust-extraction unit according to claim 7, which is characterized in that the filter device includes one or more A filtering ponds, the filtering ponds are internally provided with parallel with bottom of pond filtering out flue dust in water and maintain the filter of waterflow stabilization off the net Net, the inlet and outlet of the filtering ponds are equipped with the intercept net for reducing flue dust translational speed in sewage.
9. cigarette water people having a common goal's dust-extraction unit according to claim 1, which is characterized in that be equipped with internal diameter in the bottom of the chimney More than the chimney seat of chimney, the conical drainage cover is located inside the chimney seat, the surrounding and chimney seat of the conical drainage cover Being left between inner wall makes cigarette arrange the smoke-outlet flue to chimney;On the inner wall of the chimney seat be equipped with cricoid guiding gutter and with institute State the drainage channel of guiding gutter connection.
10. cigarette water people having a common goal's dust-extraction unit according to claim 1, which is characterized in that be equipped on the top of chimney inner lead Accelerate smoke evacuation or prevent the extractor fan of air blow back.
CN201711482130.3A 2017-12-29 Dust remover for smoke and water same channel Active CN108079711B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711482130.3A CN108079711B (en) 2017-12-29 Dust remover for smoke and water same channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711482130.3A CN108079711B (en) 2017-12-29 Dust remover for smoke and water same channel

Publications (2)

Publication Number Publication Date
CN108079711A true CN108079711A (en) 2018-05-29
CN108079711B CN108079711B (en) 2024-07-05

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1173610A (en) * 1996-08-12 1998-02-18 徐玉芹 Water spraying dusting method and appts. for flue gas
JPH10185142A (en) * 1996-12-25 1998-07-14 Nippon Kankyo Giken:Kk Method and device for secondary incineration of flue gas
CN201643924U (en) * 2010-03-31 2010-11-24 中国石油化工股份有限公司 Device for removing sulfur and smoke from oil fired steam boiler exhaust fume
CN201793441U (en) * 2010-09-06 2011-04-13 刘朝仑 Assembled high efficiency water filter
WO2017020775A1 (en) * 2015-08-06 2017-02-09 方冰熔 Automobile exhaust noiseless purification device
CN206566747U (en) * 2017-03-24 2017-10-20 杜志平 A kind of efficient absorption tower absorbed applied to sulphur-containing exhaust gas
CN207838585U (en) * 2017-12-29 2018-09-11 沈联峰 Cigarette water people having a common goal's dust-extraction unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1173610A (en) * 1996-08-12 1998-02-18 徐玉芹 Water spraying dusting method and appts. for flue gas
JPH10185142A (en) * 1996-12-25 1998-07-14 Nippon Kankyo Giken:Kk Method and device for secondary incineration of flue gas
CN201643924U (en) * 2010-03-31 2010-11-24 中国石油化工股份有限公司 Device for removing sulfur and smoke from oil fired steam boiler exhaust fume
CN201793441U (en) * 2010-09-06 2011-04-13 刘朝仑 Assembled high efficiency water filter
WO2017020775A1 (en) * 2015-08-06 2017-02-09 方冰熔 Automobile exhaust noiseless purification device
CN206566747U (en) * 2017-03-24 2017-10-20 杜志平 A kind of efficient absorption tower absorbed applied to sulphur-containing exhaust gas
CN207838585U (en) * 2017-12-29 2018-09-11 沈联峰 Cigarette water people having a common goal's dust-extraction unit

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