CN209452037U - A kind of phase transformation electric dust removing system - Google Patents
A kind of phase transformation electric dust removing system Download PDFInfo
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- CN209452037U CN209452037U CN201920109167.XU CN201920109167U CN209452037U CN 209452037 U CN209452037 U CN 209452037U CN 201920109167 U CN201920109167 U CN 201920109167U CN 209452037 U CN209452037 U CN 209452037U
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- removing system
- phase transformation
- cleaning case
- phase
- heat exchange
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- 239000000428 dust Substances 0.000 title claims abstract description 73
- 230000009466 transformation Effects 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 239000003546 flue gas Substances 0.000 claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 7
- 238000006477 desulfuration reaction Methods 0.000 claims description 6
- 230000023556 desulfurization Effects 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 1
- 239000003500 flue dust Substances 0.000 abstract description 10
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 239000013618 particulate matter Substances 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000002407 reforming Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides a kind of phase transformation electric dust removing system, including dust cleaning case, cooling device (4) for cooling down to recirculated water, water tank (5) and the chemicals dosing plant (6) for being used to be added lye into water tank (5), flue gas level flow direction is provided with multiple groups phase-change heat-exchange module (12) and multiple groups cathodic discharge line (13) in dust cleaning case, each group phase-change heat-exchange module (12) and each group cathodic discharge line (13) are spaced arrangement each other, every group of phase-change heat-exchange module (12) includes the more heat exchange pipelines arranged vertically, the lower end of heat exchange pipeline is close to the bottom of dust cleaning case；Water tank (5) is connected to by recycle-water pipeline (31) with the bottom of dust cleaning case, and is connected to by water supply line (32) with the upper end of heat exchange pipeline.Phase transformation electric dust removing system provided by the utility model can be realized the efficient removal of the pollutants such as flue gas dehumidifying and flue dust, condensable particulate matter, and help to reduce equipment investment, operating cost, occupied area and flue gas resistance.
Description
Technical field
The utility model relates to flue gas ash removals, dehumidifying technology field, more particularly to a kind of phase transformation electric dust removing system.
Background technique
Currently, minimum discharge transformation and wet plume administer the focus of attention for having become the industries such as coal-burning power plant, steel, it is a kind of
Universal reforming mode is to add a set of wet electrical dust precipitator to realize flue dust minimum discharge, while adding a set of flue gas condensing and changing
Hot device is administered with improving wet plume, and still, this two covering device added not only greatly increases equipment investment and operating cost, and
And occupation area of equipment is caused to increase, a series of problems, such as flue arrangement is complicated, flue gas resistance becomes larger.Therefore, how to realize
While the efficient removal of pollutants such as flue gas dehumidifying and flue dust, condensable particulate matter, it is reduced as far as equipment investment, accounts for
Ground area and flue gas resistance become urgent problem to be solved in minimum discharge transformation and wet plume control.
Utility model content
In view of this, the present invention provides a kind of phase transformation electric dust removing system, which be can be realized
The efficient removal of the pollutants such as flue gas dehumidifying and flue dust, condensable particulate matter, and help to reduce equipment investment, running cost
With, occupied area and flue gas resistance.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of phase transformation electric dust removing system, comprising:
The front end of the dust cleaning case of horizontal arrangement, the dust cleaning case is connected with desulfurization exhaust pass, tail end and chimney entrance
Flue is connected, and flue gas level flow direction is provided with multiple groups phase-change heat-exchange module and multiple groups cathodic discharge in the dust cleaning case
Line, cathodic discharge line described in phase-change heat-exchange module and each group described in each group are spaced arrangement, every group of phase-change heat-exchange module each other
The heat exchange pipeline arranged vertically including more, the lower end of the heat exchange pipeline is close to the bottom of the dust cleaning case；
Water tank, the water tank are connected to by recycle-water pipeline with the bottom of the dust cleaning case, and pass through water supply line and institute
State the upper end connection of heat exchange pipeline；
Cooling device, the cooling device is for cooling down to the recirculated water in the water supply line；
Chemicals dosing plant, the chemicals dosing plant are used to be added lye into the water tank to neutralize the acidic materials in water.
Preferably, in above-mentioned phase transformation electric dust removing system, in phase-change heat-exchange module described in every group, the heat exchange pipeline according to
A flue gas level flow direction point multilayer is staggered in arrangement.
Preferably, in above-mentioned phase transformation electric dust removing system, the cathodic discharge line is that needle pierces line.
Preferably, in above-mentioned phase transformation electric dust removing system, the bottom of the dust cleaning case is provided with funnel shaped collecting tank, institute
Recycle-water pipeline is stated to be connected to the collecting tank.
Preferably, in above-mentioned phase transformation electric dust removing system, the front end of the dust cleaning case is provided with import loudspeaker, tail end setting
There is outlet loudspeaker, one layer of deflector is provided in the import loudspeaker tentatively to be distributed air-flow.
Preferably, in above-mentioned phase transformation electric dust removing system, the side wall of the water tank is provided with row in the position close to bottom
Dirty pipeline.
Preferably, in above-mentioned phase transformation electric dust removing system, the side wall of the water tank is in the position for being higher than the blow-off line
It is provided with drainage pipeline.
Preferably, in above-mentioned phase transformation electric dust removing system, the heat exchange pipeline is metal material or plastic material.
Preferably, in above-mentioned phase transformation electric dust removing system, the phase-change heat-exchange module is 4 groups~6 groups, the cathodic discharge
Line is 4 groups~6 groups.
Preferably, in above-mentioned phase transformation electric dust removing system, when the heat exchange pipeline uses plastic material, the heat exchanger tube
The internal diameter in road is 5mm~10mm, and wall thickness is 0.5mm~1mm；When the heat exchange pipeline uses metal material, the heat exchanger tube
The internal diameter in road is 30mm~40mm, and wall thickness is 3mm~5mm.
According to the above technical scheme it is found that in phase transformation electric dust removing system provided by the utility model, set simultaneously in dust cleaning case
Multiple groups phase-change heat-exchange module and multiple groups cathodic discharge line, the horizontal arrangement of dust cleaning case have been set, front end is connected with desulfurization exhaust pass,
Tail end is connected with chimney gas approach, and the heat exchange pipeline of phase-change heat-exchange module is arranged vertically, each group phase-change heat-exchange module with
Each group cathodic discharge line is spaced apart from each other arrangement according to flue gas level stream to each other.Flue gas condenses when flowing through phase-change heat-exchange module
Phase transformation, part flue dust, condensable particulate matter (such as SO in flue gas3Deng) etc. substances by thermophoretic forces, inertial collision, Electro Sorb etc.
Effect condensation is enriched in fair current on heat exchange pipeline and is enriched with to dust cleaning case bottom, another part particulate form pollutant by moisture condensation
Fair current in turn is trapped to dust cleaning case bottom by heat exchange pipeline surface after partial size increases, is charged afterwards.In the bottom of dust cleaning case, condensed water
Pass through recycle-water pipeline together with the recirculated water flowed out in heat exchange pipeline and flows into water tank.It can be seen that the utility model provides
Phase transformation electric dust removing system integrated flue gas condensation technology and wet dust removal technology advantage in one, it is thus possible to realize flue gas
Dehumidifying and flue dust, condensable particulate matter efficient removal, compared with traditional reforming mode, facilitate reduce equipment investment,
Operating cost, occupied area and flue gas resistance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of schematic diagram of phase transformation electric dust removing system provided by the embodiment of the utility model；
Fig. 2 is A-A cross-sectional view in Fig. 1.
In the figure, it is marked as
11, import loudspeaker；12, phase-change heat-exchange module；13, cathodic discharge line；14, outlet loudspeaker；2, collecting tank；31, it returns
Water collection pipe road；32, water supply line；33, drainage pipeline；34, blow-off line；4, cooling device；5, water tank；6, chemicals dosing plant.
Specific embodiment
In order to make it easy to understand, the utility model will be further described with reference to the accompanying drawing.
Referring to Fig. 1 and Fig. 2, Fig. 1 is a kind of schematic diagram of phase transformation electric dust removing system provided by the embodiment of the utility model, figure
2 be A-A cross-sectional view in Fig. 1.Phase transformation electric dust removing system provided by the embodiment of the utility model includes dust cleaning case, cooling device 4, water
Case 5 and chemicals dosing plant 6.
Wherein, the front end of the horizontal arrangement of dust cleaning case, dust cleaning case is connected with desulfurization exhaust pass, tail end and chimney entrance cigarette
Road is connected, moreover, being provided with multiple groups phase-change heat-exchange module 12 and multiple groups cathode is put according to flue gas level flow direction in dust cleaning case
Electric wire 13, each group phase-change heat-exchange module 12 and each group cathodic discharge line 13 are spaced arrangement, every group of phase-change heat-exchange module each other
12 include the more heat exchange pipelines arranged vertically, and the lower end of heat exchange pipeline is close to the bottom of dust cleaning case；5 one side of water tank passes through back
Water collection pipe road 31 is connected to the bottom of dust cleaning case, is on the other hand connected to by water supply line 32 with the upper end of heat exchange pipeline, is supplied water
Pipeline 32 then cools down to the recirculated water in water supply line 32 through apparatus for supercooling 4, cooling device 4；Chemicals dosing plant 6 be used for
Lye is added in water tank 5 to neutralize the acidic materials in water.
The working principle of phase transformation electric dust removing system provided by the embodiment of the utility model are as follows:
Flue gas from desulphurization plant come out after, the dust cleaning case of phase transformation electric dust removing system is entered by desulfurization exhaust pass, by
Arranged in dust cleaning case accumbency, so flue gas horizontally flows through the inner cavity of dust cleaning case, finally via the chimney gas approach of tail end into
Enter chimney, in the process, the water in water tank 5 flows to the top of phase-change heat-exchange module 12 by water supply line 32, subsequently into
Each heat exchange pipeline simultaneously flows down along the vertical direction, since cooling device 4 carries out the recirculated water in water supply line 32
Cooling, so condensation phase transformation, part flue dust, condensable particulate matter in flue gas occur when flowing through phase-change heat-exchange module 12 for flue gas
(such as SO3Deng) etc. substances pass through thermophoretic forces, inertial collision, Electro Sorb the effects of condensation be enriched on heat exchange pipeline fair current to dedusting
Bottom portion, another part particulate form pollutant after moisture condensation is enriched with partial size increase, it is charged after caught by heat exchange pipeline surface
Collect fair current in turn to dust cleaning case bottom.In the bottom of dust cleaning case, condensed water leads to together with the recirculated water flowed out in heat exchange pipeline
It crosses recycle-water pipeline 31 and flows into water tank 5.Since condensed water carries the acidic materials in flue gas, condensed water and recirculated water are collected
The pH value of recirculated water is set to be affected afterwards together, so being equipped with chemicals dosing plant 6 lye is added into water tank 5.
By above-mentioned working principle it is found that phase transformation electric dust removing system integrated flue gas condensation technology provided by the utility model and wet
The advantage of formula electrostatic precipitation technology is in one, it is thus possible to realize the efficient removal of flue gas dehumidifying and flue dust, condensable particulate matter,
Compared with traditional reforming mode, help to reduce equipment investment, operating cost, occupied area and flue gas resistance.
In specific practical application, the series of phase-change heat-exchange module 12 and cathodic discharge line 13 can be according to pollutant removing efficiency
It is adjusted flexibly with effect on moisture extraction, phase-change heat-exchange module 12 is usually arranged as 4 groups~6 groups, and correspondingly, cathodic discharge line 13 is also 4
Group~6 group.Heat exchange pipeline can use metal material or plastic material, the internal diameter of heat exchange pipeline according to material, place space, remove
Dirt dehumidification efficiency comprehensively considers, and when heat exchange pipeline uses plastic material, internal diameter is typically designed as 5mm~10mm, and wall thickness is general
It is designed as 0.5mm~1mm；And when heat exchange pipeline uses metal material, internal diameter is typically designed as 30mm~40mm, and wall thickness is general
It is designed as 3mm~5mm.In every group of phase-change heat-exchange module 12, heat exchange pipeline can be flowed to according to flue gas level divides multilayer stagger arrangement
On the one hand arrangement repeatedly flow to air-flow, improves flow field uniformity, on the other hand strengthens between flue gas and heat exchange pipeline
Heat exchange efficiency, can also be with the condensation enrichment of the pollutants such as enhanced heat exchange pipeline and flue dust, the effect of inertial collision.Cathodic discharge line
The 13 general cathode lines using high current forms such as needle thorn lines, to be carried out to droplet, the flue dust of high concentration effectively charged.Cathode
Discharge lines 13 are fixed using conventional cathodes frame, high frequency electric source power supply.Every group of cathodic discharge line 13 includes more and is parallel to each other
Cathodic discharge line 13, every cathodic discharge line 13 can be both arranged in a vertical direction as depicted in figs. 1 and 2, can also be perpendicular to
Heat exchange pipeline is arranged in the horizontal direction.
As shown in Figure 1, being provided with leakage in the present embodiment for the ease of collecting condensed water and recirculated water, the bottom of dust cleaning case
The collecting tank 2 of bucket shape, recycle-water pipeline 31 are connected to collecting tank 2.
In order to improve air velocity distribution to improve efficiency of dust collection, import loudspeaker 11 can be set in the front end of dust cleaning case, in tail
End setting outlet loudspeaker 14, and one layer of deflector is set tentatively to be distributed air-flow in import loudspeaker 11.
In the present embodiment, the side wall of water tank 5 is provided with blow-off line 34, specific practical application in the position close to bottom
In, bed mud in water tank 5 etc. can enter desulfurization melt pit by blow-off line 34.In addition, the side wall of water tank 5 is being higher than sewage pipe
The position in road 34 is provided with drainage pipeline 33, and the supernatant overflowing liquid in such water tank 5 can enter industry by drainage pipeline 33
Water system recycles.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.A variety of modifications of embodiment will be readily apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, originally
Utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and the principles and novel features disclosed herein
Consistent widest scope.
Claims (10)
1. a kind of phase transformation electric dust removing system characterized by comprising
The front end of the dust cleaning case of horizontal arrangement, the dust cleaning case is connected with desulfurization exhaust pass, tail end and chimney gas approach
It is connected, flue gas level flow direction is provided with multiple groups phase-change heat-exchange module (12) and multiple groups cathodic discharge line in the dust cleaning case
(13), phase-change heat-exchange module (12) described in each group is spaced arrangement, every group of phase with cathodic discharge line (13) described in each group each other
Converting thermal modules (12) includes the more heat exchange pipelines arranged vertically, and the lower end of the heat exchange pipeline is close to the bottom of the dust cleaning case
Portion；
Water tank (5), the water tank (5) is connected to by recycle-water pipeline (31) with the bottom of the dust cleaning case, and passes through water supplying pipe
Road (32) is connected to the upper end of the heat exchange pipeline；
Cooling device (4), the cooling device (4) is for cooling down to the recirculated water in the water supply line (32)；
Chemicals dosing plant (6), the chemicals dosing plant (6) are used to be added lye into the water tank (5) to neutralize the acid in water
Matter.
2. phase transformation electric dust removing system according to claim 1, which is characterized in that phase-change heat-exchange module (12) described in every group
In, the heat exchange pipeline is staggered in arrangement according to a flue gas level flow direction point multilayer.
3. phase transformation electric dust removing system according to claim 2, which is characterized in that the cathodic discharge line (13) is needle thorn
Line.
4. phase transformation electric dust removing system according to claim 3, which is characterized in that the bottom of the dust cleaning case is provided with funnel
The collecting tank (2) of shape, the recycle-water pipeline (31) are connected to the collecting tank (2).
5. phase transformation electric dust removing system described according to claim 1~any one of 4, which is characterized in that the dust cleaning case
Front end is provided with import loudspeaker (11), and tail end is provided with outlet loudspeaker (14), is provided with one layer in the import loudspeaker (11) and is led
Flowing plate is tentatively to distribute air-flow.
6. phase transformation electric dust removing system according to claim 5, which is characterized in that the side wall of the water tank (5) is the bottom of close to
The position in portion is provided with blow-off line (34).
7. phase transformation electric dust removing system according to claim 6, which is characterized in that the side wall of the water tank (5) is being higher than institute
The position for stating blow-off line (34) is provided with drainage pipeline (33).
8. phase transformation electric dust removing system according to claim 5, which is characterized in that the heat exchange pipeline is metal material or modeling
Expect material.
9. phase transformation electric dust removing system according to claim 5, which is characterized in that the phase-change heat-exchange module (12) is 4 groups
~6 groups, the cathodic discharge line (13) is 4 groups~6 groups.
10. phase transformation electric dust removing system according to claim 9, which is characterized in that when the heat exchange pipeline uses plastics material
When matter, the internal diameter of the heat exchange pipeline is 5mm~10mm, and wall thickness is 0.5mm~1mm；
When the heat exchange pipeline uses metal material, the internal diameter of the heat exchange pipeline is 30mm~40mm, wall thickness be 3mm~
5mm。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920109167.XU CN209452037U (en) | 2019-01-22 | 2019-01-22 | A kind of phase transformation electric dust removing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920109167.XU CN209452037U (en) | 2019-01-22 | 2019-01-22 | A kind of phase transformation electric dust removing system |
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| CN209452037U true CN209452037U (en) | 2019-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590112A (en) * | 2019-01-22 | 2019-04-09 | 国电环境保护研究院有限公司 | A kind of phase transformation electric dust removing system |
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- 2019-01-22 CN CN201920109167.XU patent/CN209452037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590112A (en) * | 2019-01-22 | 2019-04-09 | 国电环境保护研究院有限公司 | A kind of phase transformation electric dust removing system |
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