CN100349644C - Spiral purifying dust-removing device - Google Patents

Spiral purifying dust-removing device Download PDF

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Publication number
CN100349644C
CN100349644C CNB2005100989611A CN200510098961A CN100349644C CN 100349644 C CN100349644 C CN 100349644C CN B2005100989611 A CNB2005100989611 A CN B2005100989611A CN 200510098961 A CN200510098961 A CN 200510098961A CN 100349644 C CN100349644 C CN 100349644C
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China
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helical blade
dust
liquid
present
gas
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Expired - Fee Related
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CNB2005100989611A
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CN1768907A (en
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李德星
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Abstract

The present invention relates to a spiral purifying dust remover which belongs to environmental protection equipment used for controlling air pollution. The present invention can be used for collecting volatile organic matter VOCs, powder dust and smelting harmful substance in boilers and furnaces, and can be used for oil fume treatment of inhabitant kitchens, hotel kitchens and guest house kitchens. Smoke dust, SOx, NOx which are arranged in flue gas can be effectively purified by the present invention, and the integration of dust removal, desulphurization and denitration of coal-fired flue gas is realized. The present invention has the advantages of no escapement of dust collection, no sputtering of oil fume treatment, secondary pollution reduction and low consumption of absorbing liquid. The present invention is characterized in that a screw blade has the functions of diversion, segmentation and agitation; the reaction of the absorbing liquid and treated objects are accelerated and the sufficient contact collision of fume, liquid and solid are promoted through compression air collection of a casing and the screw blade; the gas, the liquid and the solid are separated, dissolved or deposited in a deposition chamber under the rotating centrifugal action of the screw blade.

Description

Spiral purifying dust-removing device
Spiral purifying dust-removing device is the environmental protection equipment of Air Pollution Control.Can purify flue dust, SO in the flue gas simultaneously effectively X, NO X, realized that coal-fired flue gas desulfurization and denitration is integrated.The gas, liquid, solid good separating effect of spiral purifying dust-removing device of the present invention is suitable for the Air Pollution Control of various occasions.
The flue gas that the coal fuel combustion produces is made up of gas and solid two parts, in the gas except CO 2, steam, N 2, O 2Also have CO, SO outward, X, NO XDeng pernicious gas; Soot particle that solid is mainly carried secretly by gas and unburnt carbon granule constitute, Here it is usually said " dirt ".Existing small-sized cleaner can only reach the effect of dedusting, as for pernicious gas, oil smoke, volatile organic matter VOC in the flue gas SBe difficult to reach the purification requirement, the cleaner function singleness, the resistance of self is big, and water consumption is big, and the secondary pollution that can produce water, absorption liquid, adsorbent consumption are big, the cost height, especially the equipment self volume is big, and floor space is big, takes a lot of work during installation fee to be difficult to adapt to the environmental requirement of the new period.
Spiral purifying dust-removing device of the present invention can reach the gas, liquid, solid purpose of isolation of purified simultaneously.Adaptive capacity is strong, smoke elimination, good dedusting effect; Thorough to oil smoke, cleaning harmful gas; Absorption liquid repetitive cycling in the system of self is used, and has reduced secondary pollution; The volume of spiral purifying dust-removing device is little, integral installation, and self resistance is little, and to when the scrap build of usefulness, original design, technical parameter can not change, and do not influence the burning operational effect.
Spiral purifying dust-removing device of the present invention is formed (seeing accompanying drawing 1 schematic diagram) by: shell 1, helical blade 2, expansion chamber 3, gas approach 4, liquid level visor 5, purified gas outlet 6, screw rod 7, ash discharge auger 8, actuating unit 9, water inlet (liquid) mouthfuls 10, front and rear cover 11, absorption liquid 12 and control instrument, during as gas purification or oil smoke processing, ash discharge auger 8 changes absorption liquid or reaction solution outlet into.Shell 1 mud chamber 3 usefulness metal materials are made, and answer the inside lining anti-corrosive material for handling mordant gas, also can make of grouan material; Make of stainless steel, do not need anticorrosion and have both artistic and practical effect.Have stupefied or the plane on the helical blade 2, when being used for the higher occasion processing of temperature flue dust, the applied metal material is made; When being used for occasion such as dust, pernicious gas, oil smoke, the available metal material is made, and also can use plastic production, as polytetrafluoroethylplastic plastic.The pitch of helical blade has dual mode, uniform pitch and varying pitch.Helical blade is divided into two kinds on entity face type, belt face type.Motor switch is a two-direction switch, the knot ash of reverse expansion chamber 3 capable of washing and shell 1 and dried wet interface.The import that treatment and purification is waved organic matter, oil smoke, pernicious gas can be made as two, can increase the treatment and purification effect, and its helical blade 1 just should be, in the other direction.Its outlet is in the centre position, as a threeway.(seeing accompanying drawing 2 schematic diagrames) is for large-scale volatile organic matter VOC SHandle, during purification, helical blade should twin-screw or multiscrew, in order to regulate the control clean-up effect, makes the gas of processing reach emission request, and motor is a buncher.
Helical blade 2 lower ends of spiral purifying dust-removing device of the present invention are immersed absorption liquid 12 and are combined with shell 1, and making shell 1 bigger space segmentation under the isolation of helical blade 2 is many little spaces; Helical blade 2 is when the motion rotation, each little smoke-box links and has formed long and narrow passage, processed material forces inside periodically conversion space and speed, and fully contact with absorption liquid, simultaneously under the stirring of helical blade 2 centrifugal force, promote the abundant contact of gas, liquid, solid more, reached the purpose of smoke abatement and dust control purification separation.Comprehensive the above, the feature of spiral purifying dust-removing device is: the multiple action effect of the helical blade 2 of rotation; At first helical blade 2 rotations have guide functions to flue gas, and the guiding flue gas advances, and reduces resistance, and advances the circulation of absorption liquid; Simultaneously absorption liquid there is stirring action, makes absorption liquid produce a large amount of moisture film, spray, water droplet and water smoke, increased the surface area of absorption liquid, formed the condition that gas-liquid fully contacts admittedly; Again the flue gas surface there is the expansion effect, flue gas enters shell 1 and just is divided into several little air chambers, and the surface area of flue gas has increased, and has created the environment that flue gas and absorption liquid fully react, strengthen the association reaction ability of gas and liquid, promoted the effect of the purification separation of gas, liquid, solid equally.The action of centrifugal force that atwirl in addition helical blade 2 produces, the solid, liquid that bonding is assembled tangentially is separated to rapidly in the absorption liquid of expansion chamber, and flue gas has obtained purifying completely.Therefore spiral purifying dust-removing device of the present invention is better than miscellaneous equipment to the effect of Air Pollution Control, is exemplified below:
1, replace sack cleaner: pulverizer produces small dust, and filtering material is difficult to catch escapes out, particularly in the recoil stage, and the filter bag breakage, dust leaks more, still can influence the environment of periphery.Just can solve small dust pollution problems once more well with spiral purifying dust-removing device, also not have the filter bag damaging problem, guarantee the continuous operation of purifying and dedusting.
2, integrated as the smoke abatement and dust control of coal burning systems such as brick field, porcelain factory, stove, boiler.Because spiral purifying dust-removing device of the present invention self resistance is very little, therefore the temperature to stove does not have much influences.On the existing equipment basis, transform, just can reach the purpose that smoke abatement and dust control purifies.Stove smoke abatement and dust control problem is solved, and water use in self systemic circulation, littler than other the water consumption of wet dedusting equipment, reduced the secondary pollution of water.
3, handle as the fume purifying of hotel, hotel kitchen.Now used is after axial flow blower adds gas skirt, attracts the back to discharge in the outdoor sewer in oil smoke, owing to be negative inspiratory pressure in the kitchen, but is malleation when having arrived escape pipe, and escape pipe is poorly sealed, and tobacco tar wafts to such an extent that be everywhere, influences environment.Besides oil smoke is arranged in sewer, produced secondary pollution, increased the oil content of sewage, increased burden to municipal sewage treatment.Utilize effectively purifying oil fume of spiral purifying dust-removing device of the present invention.Oil is separated to expansion chamber, clean air is discharged outside the back, has solved the problem of the soot pollution environment in hotel, hotel effectively.
4, during the clear washing and dry burning interface of counter-rotating, need not shut down, not influence operation.
In the utilization and operation process, should note following item:
1, the height of the liquid level of absorption liquid, very big to the influential effect of purifying and dedusting, liquid level is too high, can cause flue gas with water, and it is defective that too low meeting produces the purifying and dedusting effect.Therefore liquid level just answers strictness to grasp.
2, helical blade speed has bigger influence to the generation of water merchant, spray, moisture film and the resistance of flue gas, in use should adjust in conjunction with the treating capacity of liquid level and flue gas, to reach optimum efficiency.

Claims (7)

1, the spiral purifying dust-removing device that is used for environmental protection by: shell 1., helical blade 2., expansion chamber 3., gas approach 4., the liquid level visor 5., purified gas outlet 6., screw rod 7., the ash discharge auger 8., actuating unit 9., water inlet (liquid) mouthful 10., front and rear cover (11), absorption liquid (12) and control instrument form, and it is characterized in that helical blade rotation 2..
2,2. helical blade according to claim 1 is that metal material is made.
3,2. helical blade according to claim 1 is that stainless steel material is made.
4,2. helical blade according to claim 1 is to be made by polytetrafluoroethylplastic plastic.
5, stupefied according to having on 2. unilateral of the described helical blade of claim 1.
6,2. be the plane according to the described helical blade of claim 1, entity face type.
7,2. helical blade according to claim 1 is belt face type.
CNB2005100989611A 2005-09-18 2005-09-18 Spiral purifying dust-removing device Expired - Fee Related CN100349644C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100989611A CN100349644C (en) 2005-09-18 2005-09-18 Spiral purifying dust-removing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100989611A CN100349644C (en) 2005-09-18 2005-09-18 Spiral purifying dust-removing device

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CN1768907A CN1768907A (en) 2006-05-10
CN100349644C true CN100349644C (en) 2007-11-21

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105107353A (en) * 2015-07-20 2015-12-02 海宁市睿创机械科技有限公司 Novel wet desulfurization deduster and operation method thereof
CN105920910A (en) * 2016-06-16 2016-09-07 宿州市皖竹食品有限公司 Screw-type water filtering apparatus
CN105920909A (en) * 2016-06-16 2016-09-07 宿州市皖竹食品有限公司 Water filter
CN106076044A (en) * 2016-08-21 2016-11-09 河北远征环保科技有限公司 Flue gas ash removal backwater segregation apparatus and flue gas ash removal method
CN108525434A (en) * 2017-03-05 2018-09-14 高雪真 Gas purge system and its control method
CN108800243B (en) * 2017-05-04 2020-05-26 碧恋天环保科技(湖北)有限公司 Screw type wet-method oil fume purification system
CN107158863A (en) * 2017-05-27 2017-09-15 浙江万源环保机械科技有限公司 A kind of spiral wet dust collector
CN108362851B (en) * 2018-01-31 2020-09-25 河南工程学院 Experimental method and device for degrading coal mine air flow gas by using microorganisms
CN110170378B (en) * 2019-04-11 2020-10-16 华北水利水电大学 Wet-type electric precipitation haze control system and application method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05168974A (en) * 1991-12-17 1993-07-02 Akai Electric Co Ltd Air purifier
RU2008077C1 (en) * 1990-06-15 1994-02-28 Воронежский инженерно-строительный институт Gas scrubber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2008077C1 (en) * 1990-06-15 1994-02-28 Воронежский инженерно-строительный институт Gas scrubber
JPH05168974A (en) * 1991-12-17 1993-07-02 Akai Electric Co Ltd Air purifier

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