CN204768033U - Dust removal defogging device - Google Patents

Dust removal defogging device Download PDF

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Publication number
CN204768033U
CN204768033U CN201520563720.9U CN201520563720U CN204768033U CN 204768033 U CN204768033 U CN 204768033U CN 201520563720 U CN201520563720 U CN 201520563720U CN 204768033 U CN204768033 U CN 204768033U
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China
Prior art keywords
flue gas
air inlet
housing
gas outlet
dividing plate
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CN201520563720.9U
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Chinese (zh)
Inventor
聂华
吴其荣
李紫龙
熊学云
喻江涛
王进
史旭
刘洋
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CPI Yuanda Environmental Protection Engineering Co Ltd
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CPI Yuanda Environmental Protection Engineering Co Ltd
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Priority to CN201520563720.9U priority Critical patent/CN204768033U/en
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Abstract

The utility model discloses a dust removal defogging device, the device include a plurality of coordination's module, each the module all includes the casing, the casing be equipped with the air inlet that is used for admitting air, be used for the gas outlet of giving vent to anger and be located the air inlet and the gas outlet between be used for making the flue gas to form the vortex component of vortex, the utility model discloses a dust removal defogging device, the flue gas that gets into airflow channel during through the vortex component its airflow direction obtain the change with speed, little water droplet and small particulate matter in the flue gas form the torrent within a definite time and fully clash into each other, collide mutually and reunite into big liquid drop, big liquid drop contacts and forms the liquid film with shells inner wall and vortex component surface, the liquid film flows along the vortex component, it promptly can fine dust of desorption and droplet to need not increase dominant exterior and supplies consumption, it is low to have the pressure loss, the characteristics that the effect is high, investment and running cost are lower, and is suitable for popularization and use.

Description

Dedusting demister
Technical field
The utility model relates to a kind of smoke eliminator, particularly a kind of dedusting demister.
Background technology
Chinese large-sized coal-burning power plant has installed the environmental protecting device such as desulphurization and denitration, dedusting substantially, coal-fired plant flue gas pollutes control to a certain extent to air, but along with economic development, living standards of the people improve, the demand of atmosphere quality is also improved day by day, correspondingly promote the more enforcement of the appearance of high-environmental standard and new environmental law, make coal-fired plant flue gas pollutant emission under the new situation face higher requirement; Along with the raising day by day of environmental emission standard, the discharge standard of thermal power plant also proposes the requirement of minimum discharge gradually, and obtains and apply more and more widely.
For the requirement of minimum discharge, current main technological route has two kinds, and scheme one adopts wet-esp technology, and scheme two adopts desulphurization system to be coupled other enhancements.Scheme one has more application achievement at present at home, but it invests the problem ubiquities such as large, cost is high, operation is complicated.Scheme two, owing to having saved investment and operating cost, is the Main way of technical research, and has various different concrete enforcement technology path.
Such as, Chinese patent 204182256U discloses a kind of washing degree of depth dust arrester, this device is arranged on the downstream of wet desulphurization absorption tower, can continue on the one hand to catch part dust, dust-laden drop can be made to be diluted on the other hand, last again by the droplet in water washing dedust demister seizure flue gas, the dust carrying amount in flue gas can be reduced, flue gas is made to obtain advanced treating, solve the technical barrier of exhaust gas dust even minimum discharge up to standard, certain desulfurized effect can be played, considerably reduce cost of investment, save the area, there is higher layout Installation Flexibility, but, though removing of fine dust can be realized by setting up water washing device, also there is the problems such as water-washing process complexity, system operation maintenance is difficult, crushing is large simultaneously.Again such as, Chinese patent 201420676158.6 discloses a kind of combined type cyclone demist dust pelletizing system, comprise the absorption tower and clean flue that are connected successively, former gas approach is provided with in the side on absorption tower, spraying layer is provided with in absorption tower, in absorption tower, be also provided with cyclone, cyclone is positioned at the top of spraying layer, and spraying layer is positioned at the top of former gas approach; This dedusting demist purification efficiency is high, and efficiently can remove less than 5 microns finely ground particles in flue gas, under equal purifying rate, system energy consumption, far below Wet type electric dust-removing device, reduces operating cost; But this system is by setting up evaporative cooling district and Gravity Separation district, and process system is very complicated, and energy consumption consumption is large.
Therefore, in order to solve the problems of the technologies described above, just need a kind of dedusting demister, it is arranged in existing desulfurizing tower, without the need to increasing extra power and namely supplies consumption can remove fine dust and droplet, have the advantages that crushing is low, effect is high, investment and operating cost lower, be suitable for applying.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of dedusting demister, it is arranged in existing desulfurizing tower, without the need to increasing extra power and namely supplies consumption can remove fine dust and droplet, have the advantages that crushing is low, effect is high, investment and operating cost lower, be suitable for applying.
Dedusting demister of the present utility model, this device comprises several modules connected side by side, described in each, module includes housing, and described housing is provided with for the air inlet of air inlet, for the gas outlet of giving vent to anger and the flow-disturbing component for making flue gas form flow-disturbing between air inlet and gas outlet.
Further, described flow-disturbing component comprises the dividing plate group be made up of some pieces of dividing plates, and described dividing plate is dislocatedly distributed from bottom to top along inner walls.
Further, described dividing plate favours horizontal plane and arranges, and the flue gas be provided with between described dividing plate and inner walls for passing through for flue gas crosses mouth.
Further, described air inlet is located at the bottom of housing, and described gas outlet is located at the top of housing.
The beneficial effects of the utility model: dedusting demister of the present utility model, are arranged in existing desulfurizing tower, when being positioned at spray district, can be used for coordinated desulfurization dedusting, when being positioned on spraying layer, can be used for degree of depth dedusting; The flue gas entering gas channel is changed by its airflow direction during flow-disturbing component and speed, little water droplet in flue gas and form turbulent flow between finely ground particles and mutually fully clash into, collide with each other and be agglomerated into large drop, large drop contacts with inner walls and flow-disturbing component surface and forms liquid film, liquid film flows out along flow-disturbing component, without the need to increasing extra power and namely supplies consumption can remove fine dust and droplet, have the advantages that crushing is low, effect is high, investment and operating cost lower, be suitable for applying.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the module of utility model.
Detailed description of the invention
As depicted in figs. 1 and 2, the dedusting demister of the present embodiment comprises several modules connected side by side, module described in each includes the housing 1 in column, described housing 1 being provided with for the air inlet 11 of air inlet, for the gas outlet 12 of giving vent to anger and the gas channel between air inlet 11 and gas outlet 12, being provided with the flow-disturbing component for making flue gas form flow-disturbing in described gas channel, this device is arranged in existing desulfurizing tower, when being positioned at spray district, can be used for coordinated desulfurization dedusting, when being positioned on spraying layer, can be used for degree of depth dedusting, the combining form of module and quantity can be determined according to the structure of desulfurizing tower, such as can arrange with the square form in Fig. 1, can certainly arrange with circular or triangular form, and according to desulfurizing tower concrete size determination module number, ensure to fill flue gas section completely, air inlet 11 is preferably located at the bottom of housing 1, and gas outlet 12 is preferably located at the top of housing 1, and during use, flue gas moves from lower to upper, cylindrical or the Polygonal column shape of housing 1, has higher height, such as, can be highly 0.5-3.0m, determine according to user demand, in the present embodiment, described flow-disturbing component comprises the dividing plate group be made up of some pieces of dividing plates 4, and described dividing plate 4 is dislocatedly distributed from bottom to top along housing 1 inwall, described dividing plate 4 favours horizontal plane and arranges, and the flue gas be provided with between described dividing plate 4 and housing 1 inwall for passing through for flue gas crosses mouth, dividing plate 4 tilts to be connected to housing 1 inwall, obstruct is caused to flow of flue gas, be dislocatedly distributed and refer between different dividing plates and inwall flue gas and cross mouth and be not positioned at same straight line, the dislocation of crossing mouth with flue gas adds the distance difference between differing heights place dividing plate 4 and inwall, flue gas stream direction and speed are changed, little water droplet in flue gas and form turbulent flow between finely ground particles and mutually fully clash into, collide with each other and be agglomerated into large drop, large drop contacts with housing 1 inwall and flow-disturbing component surface and forms liquid film, liquid film flows out along flow-disturbing component, without the need to increasing extra power and namely supplies consumption can remove fine dust and droplet.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (4)

1. a dedusting demister, it is characterized in that: this device comprises several modules connected side by side, described in each, module includes housing, and described housing is provided with for the air inlet of air inlet, for the gas outlet of giving vent to anger and the flow-disturbing component for making flue gas form flow-disturbing between air inlet and gas outlet.
2. dedusting demister according to claim 1, is characterized in that: described flow-disturbing component comprises the dividing plate group be made up of some pieces of dividing plates, and described dividing plate is dislocatedly distributed from bottom to top along inner walls.
3. dedusting demister according to claim 2, is characterized in that: described dividing plate favours horizontal plane and arranges, and the flue gas be provided with between described dividing plate and inner walls for passing through for flue gas crosses mouth.
4. dedusting demister according to claim 1, it is characterized in that: described air inlet is located at the bottom of housing, described gas outlet is located at the top of housing.
CN201520563720.9U 2015-07-30 2015-07-30 Dust removal defogging device Active CN204768033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520563720.9U CN204768033U (en) 2015-07-30 2015-07-30 Dust removal defogging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520563720.9U CN204768033U (en) 2015-07-30 2015-07-30 Dust removal defogging device

Publications (1)

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CN204768033U true CN204768033U (en) 2015-11-18

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Application Number Title Priority Date Filing Date
CN201520563720.9U Active CN204768033U (en) 2015-07-30 2015-07-30 Dust removal defogging device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110523176A (en) * 2019-07-19 2019-12-03 武汉天空蓝环保科技有限公司 Integrated multi-pollutant cooperative processing method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110523176A (en) * 2019-07-19 2019-12-03 武汉天空蓝环保科技有限公司 Integrated multi-pollutant cooperative processing method and system

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