CN104248904B - DMF waste gas washing retracting device and the method for copper-clad plate manufacture - Google Patents
DMF waste gas washing retracting device and the method for copper-clad plate manufacture Download PDFInfo
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- CN104248904B CN104248904B CN201410474360.5A CN201410474360A CN104248904B CN 104248904 B CN104248904 B CN 104248904B CN 201410474360 A CN201410474360 A CN 201410474360A CN 104248904 B CN104248904 B CN 104248904B
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Abstract
A kind of DMF waste gas washing retracting device of copper-clad plate manufacture, including filter, flowmeter, blower fan, water scrubber, multiple stage circulation water pump, multiple circulation fluid reservoirs and control system, filter connection flow gauge, flowmeter connecting fan, blower fan connects water scrubber, and the water scrubber includes：Air inlet, orifice plate homogenating plate, multiple spray throwers, column plate, waste gas outlet, the multiple circulation fluid reservoir is connected with the column plate, the multiple circulation fluid reservoir also connects multiple spray throwers by multiple stage circulation water pump, the column plate is provided with a circle groove around its outward flange, the centre of column plate is provided with a circular open, diameter of the diameter of the circular open less than groove inside edge, the upper surface of the column plate is supported by multiple row's flow guiding inclined plates, and the upper surface of flow guiding inclined plate is provided with the steel plate of a plurality of fixed flow guiding inclined plate.The present invention makes air flow method more uniform, reduces the resistance of column plate, is absorbed using multistage alone cycle, and the absorptivity of DMF may be up to 98.5%.
Description
Technical field
Specifically refer to that the DMF of copper-clad plate manufacture gives up the present invention relates to the technical field that waste organic solvent gas are reclaimed
Air water washes retracting device and method.
Background technology
China is copper-clad plate producing country and exported country maximum in the world, discharged in copper-clad plate production process largely containing DMF,
Acetone waste organic solvent gas, this not only pollutes environment but also wastes precious resources and increase production cost, be there is also in production
Potential safety hazard.The VOCs treatment of copper-clad plate has turned into the key factor of restriction the sector survival and development.
Traditional copper-clad plate waste organic solvent gas are administered and typically inhaled using combustion method and newest honeycomb swinging concentration
Attached-Production by Catalytic Combustion Process.Though wherein combustion method can qualified discharge, equipment is huge, high energy consumption, be susceptible to blast.Honeycomb is turned round
Formula concentration adsorption-catalysis incineration method there is also the shortcoming that huge equipment, high energy consumption, resource cannot be recycled.
The content of the invention
The present invention provides DMF waste gas washing retracting device and the method for a kind of copper-clad plate manufacture, to solve existing to cover copper
Plate organic waste gas treatment device exist equipment is huge, high energy consumption, be susceptible to blast and resource cannot regeneration etc. lack
Point.
The present invention is adopted the following technical scheme that：
A kind of copper-clad plate manufacture DMF waste gas washing retracting device, including filter, flowmeter, blower fan, water scrubber,
Multiple stage circulation water pump, multiple circulation fluid reservoirs and control system, filter connection flow gauge, flowmeter connecting fan, blower fan
Connection water scrubber, the water scrubber includes：Air inlet, orifice plate homogenating plate, multiple spray throwers, column plate, waste gas outlet, it is the multiple
Circulation fluid reservoir is connected with the column plate, and the multiple circulation fluid reservoir also connects multiple spray throwers by multiple stage circulation water pump,
The column plate is provided with a circle groove around its outward flange, and the centre of column plate is provided with a circular open, and the diameter of the circular open is less than
The diameter of groove inside edge, the upper surface of the column plate is supported by multiple row's flow guiding inclined plates, and the upper surface of flow guiding inclined plate is provided with many
Bar fixes the steel plate of flow guiding inclined plate.
The plate face of the orifice plate homogenating plate offers aperture of the plurality of openings diameter in 10~16mm, and the aperture is uniform
Be distributed and assume diamond in shape arrangement, and the sideline distance of two neighboring aperture is 8~14mm.
The flow guiding inclined plate is symmetrical along the center line of the column plate and spacing is equal, and the flow guiding inclined plate includes oblique
Plate, discharge opeing ditch and bending section, swash plate are obliquely installed and are 60 ° with the angle of inclination of the second column plate, under the discharge opeing ditch and swash plate
End connection, the bending section is connected in 90 ° of bendings with swash plate upper end, and every section of length of swash plate just enters the liquid of discharge opeing ditch
The groove.
There is spacing, spacing top is provided with one can be covered between two flow guiding inclined plates of the symmetrical both sides of column plate center line
The firmly bent plate of the spacing, the flow guiding inclined plate covers the circular open at the column plate center in column plate with the plane projection of bent plate
Lid, the gap with 1~5cm between the column plate and water scrubber tower wall, the column plate is provided with the gap top of tower wall
One lap welding is connected on the hang plate in tower wall, and downwards, inclined-plane is 75~85 °, hang plate with the angle of tower wall on the inclined-plane of the hang plate
Perspective plane can cover the gap.
The water scrubber includes successively from the bottom up：Air inlet, orifice plate homogenating plate, the 3rd spray chamber, the 3rd spray thrower,
Two demisters, the second column plate, the second packing layer, the second spray chamber, the second spray thrower, the first column plate, the first packing layer, the first spray
Drench room, the first spray thrower, the first demister, waste gas outlet.
3rd spray thrower is located at water scrubber bottom, and the 3rd spray thrower includes upper and lower two-layer, the water spray of upper and lower two-layer
Hole is mutually staggered setting.
First packing layer is 250m from specific surface area2/m3Wire mesh packing, the second packing layer select than table
Area is 500m2/m3Wire mesh packing.
The first control valve, the second control valve are respectively equipped with first spray thrower, the second spray thrower and the 3rd spray thrower
And the 3rd control valve, it is described first control valve, second control valve and the 3rd control valve be connected with the control system respectively.
The DMF waste gas washing recovery method of a kind of copper-clad plate manufacture, using the DMF waste gas of above-mentioned copper-clad plate manufacture
Washing retracting device.
When the DMF concentration of the circulation fluid reservoir reaches the ceiling value of corresponding control range, by corresponding water circulating pump
The liquid storage of respective cycle liquid reservoir is pumped into the reservoir of first order concentration high from the low reservoir of concentration, meanwhile, the circulation fluid reservoir
The control valve opening of the spray thrower is also adjusted into by liquid level by control system, when the liquid level of the circulation fluid reservoir
Big control valve opening is opened during more than control height, control valve opening is turned down when the circulation fluid reservoir liquid level is too high, liquid level is too
Supplemented by upper level reservoir pump liquid when low.
From the above-mentioned description of this invention, the advantage of the invention is that：
1st, there is the present invention multistage alone cycle to absorb, and absorbing liquid is produced reverse concentration difference with waste gas, relative to list
Concentration absorption liquid cyclic absorption improves absorption efficiency, and the absorptivity of DMF may be up to more than 98.5%.
2nd, column plate of the invention is using the symmetrical flow guiding inclined plate in two sides, in column plate edge and tower wall and flow guiding inclined plate
Gap is left on line of symmetry, this all makes air flow method more uniform, in the absence of dead angle, improve the effect that air-flow is contacted with spray liquid
Rate, also reduces the resistance of column plate.
3rd, the present invention is automatically adjusted to each circulation fluid concentration by automatic regulating valve, makes each circulation liquid pool concentration stabilization
In control range, the shortcoming imported and exported to circulation fluid interval is overcome, it is ensured that whole operation process continuous-stable, by automatic
Regulation, technical process also has preferable impact resistance.
Brief description of the drawings
Fig. 1 is structure drawing of device of the invention.
Fig. 2 is the front view of column plate of the present invention.
Fig. 3 is the top view of column plate of the present invention.
Fig. 4 is close-up schematic view of the flow guiding inclined plate in the second column plate position of center line.
Fig. 5 is the second column plate edge close-up schematic view.
Specific embodiment
Specific embodiment of the invention is illustrated with reference to the accompanying drawings.
Reference picture 1, copper-clad plate manufacture DMF waste gas washing retracting device, including filter 1, flowmeter 2, blower fan 3,
Water scrubber 4, first circulation water pump 5, second circulation water pump 6, the 3rd water circulating pump 7, first circulation liquid reservoir 8, second circulation liquid
Reservoir 9, the 3rd circulation fluid reservoir 10 and control system 11, the connection flow gauge 2 of filter 1, the connecting fan 3 of flowmeter 2, blower fan
3 connection water scrubbers 4, located at the bottom of water scrubber 4, water scrubber 4 includes the 3rd circulation fluid reservoir 10 successively from the bottom up：Air inlet
401st, orifice plate homogenating plate 402, the 3rd spray chamber 403, the 3rd spray thrower 404, the second demister 405, the second column plate 406, second
Packing layer 407, the second spray chamber 408, the second spray thrower 409, the first column plate 410, the first packing layer 411, the first spray chamber
412nd, the first spray thrower 413, the first demister 414, waste gas outlet 415, first circulation liquid reservoir 8 connect the first column plate 410, the
One circulation fluid reservoir 8 also connects the first spray thrower 413 by first circulation water pump 5, and second circulation liquid reservoir 9 connects the second column plate
406, second circulation liquid reservoir 9 also connects the second spray thrower 409 by second circulation water pump 6, and the 3rd circulation fluid reservoir 10 passes through
3rd water circulating pump 7 connects the 3rd spray thrower 404.
With continued reference to Fig. 1, above-mentioned first spray thrower 413, the second spray thrower 409 and the 3rd spray thrower 404 use high pressure
Atomization sprayer, be respectively equipped with the first spray thrower 413, the second spray thrower 409 and the 3rd spray thrower 404 first control valve V1,
Second control valve V2 and the 3rd control valve V3, the first control valve V1, the second control valve V2 and the 3rd control valve V3 respectively with it is above-mentioned
Control system 11 is connected.The plate face of above-mentioned orifice plate homogenating plate 402 offers aperture of the plurality of openings diameter in 10~16mm, small
Hole is uniformly distributed and the arrangement that assumes diamond in shape, and the sideline distance of two neighboring aperture is 8~14mm.Above-mentioned 3rd spray thrower 404 is located at
The bottom of water scrubber 4 and in the top of orifice plate homogenating plate 402, the 3rd spray thrower 404 includes upper and lower two-layer, the hole for water spraying of upper and lower two-layer
Mutually stagger setting.
Referring to figs. 1 to Fig. 5, above-mentioned first column plate 410 is identical with the structure of the second column plate 406, is with the second column plate 406 below
Example illustrates its concrete structure.Gap 406-c with 1~5cm, the second column plate 406 between second column plate 406 and water scrubber tower wall
A circle groove 406-b is provided with around its outward flange, groove 406-b sizes set according to that can accommodate quantity of circulating water, the second column plate 406
Centre be provided with a circular open 406-d, the diameter of the diameter less than groove 406-b inside edges of circular open 406-d, second
The upper surface of column plate 406 is supported by plural number row flow guiding inclined plate 406-g, and the upper surface of flow guiding inclined plate 406-g is provided with plural bar and fixes
The steel plate 406-h of flow guiding inclined plate 406-g, flow guiding inclined plate 406-g are along the center line of the second column plate 406 is symmetrical and spacing phase
Include swash plate 406-g1, discharge opeing ditch 406-g2 and bending section 406-g3 Deng, flow guiding inclined plate 406-g, swash plate 406-g1 is obliquely installed
And with the angle of inclination of the second column plate 406 be 60 °, discharge opeing ditch 406-g2 is connected with swash plate 406-g1 lower ends, bending section 406-g3
It is connected with swash plate 406-g1 upper ends in 90 ° of bendings, every section of length of swash plate 406-g1 just arranges the liquid of discharge opeing ditch 406-g2
Enter groove 406-b.There is spacing, between being somebody's turn to do between two flow guiding inclined plate 406-g of the above-mentioned symmetrical both sides of the center line of second column plate 406
Being provided with one away from top can cover the plane projection of the bent plate 406-f of the spacing, flow guiding inclined plate 406-g and bent plate 406-f second
Column plate 406 covers the circular open 406-d at the above-mentioned center of second column plate 406, the gap 406-c of the second column plate 406 and tower wall
Top is provided with the hang plate 406-e that a lap welding is connected in tower wall, and the inclined-plane of hang plate 406-e is downward, the folder of inclined-plane and tower wall
Angle is 75~85 °, and hang plate 406-e perspective planes can cover above-mentioned gap 406-c.
Above-mentioned first packing layer 411 is 250m from specific surface area2/m3Wire mesh packing, the second packing layer 407 selects
It is 500m with specific surface area2/m3Wire mesh packing.
Reference picture 1, the DMF waste gas washing recovery method of copper-clad plate manufacture, comprises the following steps：
（1）, the DMF technology waste gas from production line, by gas skirt collect after enter filter 1 by baking oven produce
Villiform material is removed, and being pressurizeed by blower fan 3 again through flowmeter 2, feeding waste gas water scrubber 4 is interior to be processed；
（2）, DMF gases enter from the bottom air inlet 401 of water scrubber 4, then go up, first through orifice plate homogenating plate 402
Equal wind is carried out to gas, forming foam with the circulation fluid of pouring under the spray thrower of upper end increases gas liquid interfacial area, and completes to DMF's
Initial absorption and cooling, subsequently into the 3rd spray chamber 403, the circulation fluid pumped out by the 3rd water circulating pump 7 is through the spray of two-stage the 3rd
Drench device 404 to spray, completed to the abundant atomization process of DMF gases and initial absorption again in the 3rd spray chamber 403, and drop again
Temperature, the part circulation fluid is high concentration circulation fluid, and recovered liquid concentration is controlled between 18%~22%；
（3）, gas containing DMF continue to rise, through the second demister 405, the second column plate 406 and the second packing layer 407
The second spray chamber 408 is reached, the atomized liquid sprayed with the second spray thrower 409 is fully contacted and is absorbed, recovered liquid DMF concentration controls
Between 10%~12%, the absorbing liquid of secondary cycle is collected into second circulation to system through flow guiding inclined plate 406-g and column plate groove 406-b
Liquid reservoir 9；
（4）, gas containing a small amount of DMF continue to rise, reaching first through the first column plate 410 and the first packing layer 411 sprays
Room 412, with the first spray thrower 413 spray atomized liquid be fully contacted and absorbed, recovered liquid DMF concentration control 1%~3% it
Between, the absorbing liquid of circulation is collected into first circulation liquid reservoir 8 through flow guiding inclined plate 406-g and column plate groove 406-b, in the first spray
Waste gas outlet 415 from the top of water scrubber 4 is discharged after room 412 removes water smoke by the gas of spray-absorption through the first demister 414,
It is sent to absorbent charcoal adsorption tank and reclaims acetone；
（5）, reach the limit high of corresponding control range when second circulation liquid reservoir 9, the DMF concentration of the 3rd circulation fluid reservoir 10
During value, by corresponding first circulation water pump 5, second circulation water pump 6 the liquid storage of respective cycle liquid reservoir from the low reservoir of concentration
The reservoir of first order concentration high is pumped into, the 3rd circulation fluid reservoir 10 then pumps into DMF and reclaims basin, and first circulation liquid reservoir 8 passes through water
The running water that pipe fills into equivalent is supplemented, meanwhile, second circulation liquid reservoir 9, the 3rd circulation fluid reservoir 10 are also by control system
3rd control valve V3 apertures are adjusted into by liquid level, are opened when the liquid level of the 3rd circulation fluid reservoir 10 exceedes control height
Big control valve opening, the second control valve V2 is turned down when second circulation liquid 9 liquid levels of reservoir are too high, is stored up by upper level when liquid level is too low
Pond pump liquid supplement, the first control valve V1 keeps standard-sized sheet under normal circumstances, it is ensured that DMF has absorptivity higher.
Specific embodiment of the invention is above are only, but design concept of the invention is not limited thereto, it is all to utilize this
Design carries out the change of unsubstantiality to the present invention, all should belong to the behavior for invading the scope of the present invention.
Claims (10)
1. a kind of DMF waste gas of copper-clad plate manufacture washes retracting device, it is characterised in that：Including filter, flowmeter, wind
Machine, water scrubber, multiple stage circulation water pump, multiple circulation fluid reservoirs and control system, filter connection flow gauge, flowmeter connect
Give a dinner for a visitor from afar machine, blower fan connection water scrubber, the water scrubber includes：Air inlet, orifice plate homogenating plate, multiple spray throwers, column plate, waste gas go out
Mouthful, the multiple circulation fluid reservoir is connected with the column plate, and the multiple circulation fluid reservoir is also connected by multiple stage circulation water pump
Multiple spray throwers, the column plate is provided with a circle groove around its outward flange, and the centre of column plate is provided with a circular open, the circular open
Diameter less than groove inside edge diameter, the upper surface of the column plate is supported by multiple flow guiding inclined plates, the upper end of flow guiding inclined plate
Face is provided with the steel plate of a plurality of fixed flow guiding inclined plate, and the flow guiding inclined plate is along the center line of the column plate is symmetrical and spacing phase
It is provided with one and can covers the bent plate of the spacing Deng, spacing top, the plane projection of the flow guiding inclined plate and bent plate, and will in column plate
The circular open covering at the column plate center, the gap with 1~5cm, the column plate between the column plate and water scrubber tower wall
The hang plate that a lap welding is connected in tower wall is provided with the gap top of tower wall, downwards, hang plate is thrown on the inclined-plane of the hang plate
Shadow face can cover the gap.
2. the DMF waste gas of copper-clad plate manufacture as claimed in claim 1 washes retracting device, it is characterised in that：The orifice plate
The plate face of homogenating plate offers aperture of the plurality of openings diameter in 10~16mm, and the aperture is uniformly distributed and the row of assuming diamond in shape
Row, the sideline distance of two neighboring aperture is 8~14mm.
3. the DMF waste gas of copper-clad plate manufacture as claimed in claim 1 washes retracting device, it is characterised in that：The hang plate
Inclined-plane downwards, the angle of inclined-plane and tower wall is 75~85 °.
4. the DMF waste gas of copper-clad plate manufacture as claimed in claim 1 washes retracting device, it is characterised in that：The washing
Tower includes successively from the bottom up：Air inlet, orifice plate homogenating plate, the 3rd spray chamber, the 3rd spray thrower, the second demister, the second tower
Plate, the second packing layer, the second spray chamber, the second spray thrower, the first column plate, the first packing layer, the first spray chamber, the first spray
Device, the first demister, waste gas outlet.
5. the DMF waste gas of copper-clad plate manufacture as claimed in claim 4 washes retracting device, it is characterised in that：The water conservancy diversion
Swash plate includes swash plate, discharge opeing ditch and bending section, and swash plate is obliquely installed and is 60 °, the discharge opeing with the angle of inclination of the second column plate
Ditch is connected with swash plate lower end, and the bending section is connected in 90 ° of bendings with swash plate upper end, and every section of length of swash plate is just by discharge opeing ditch
Liquid enter the groove.
6. the DMF waste gas of copper-clad plate manufacture as claimed in claim 4 washes retracting device, it is characterised in that：Described 3rd
Spray thrower is located at water scrubber bottom, and the 3rd spray thrower includes upper and lower two-layer, and the hole for water spraying of upper and lower two-layer mutually staggers setting.
7. the DMF waste gas of copper-clad plate manufacture as claimed in claim 4 washes retracting device, it is characterised in that：Described first
Packing layer is 250m from specific surface area2/m3Wire mesh packing, the second packing layer from specific surface area be 500m2/m3's
Wire mesh packing.
8. the DMF waste gas of copper-clad plate manufacture as claimed in claim 4 washes retracting device, it is characterised in that：Described first
The first control valve, the second control valve and the 3rd control valve are respectively equipped with spray thrower, the second spray thrower and the 3rd spray thrower, it is described
First control valve, the second control valve and the 3rd control valve are connected with the control system respectively.
9. a kind of DMF waste gas of copper-clad plate manufacture washes recovery method, using the copper-clad plate as described in claim 1-8 is any
The DMF waste gas washing retracting device of manufacture.
10. recovery method as claimed in claim 9, it is characterised in that：When the DMF concentration of the circulation fluid reservoir reaches accordingly
During the ceiling value of control range, the liquid storage of respective cycle liquid reservoir is pumped into height from the low reservoir of concentration by corresponding water circulating pump
The reservoir of first order concentration, meanwhile, the circulation fluid reservoir is also adjusted into the spray thrower by control system by liquid level
Control valve opening, big control valve opening is opened when the liquid level of the circulation fluid reservoir exceedes control height, when the circulation fluid
Reservoir liquid level turns down control valve opening when too high, supplemented by upper level reservoir pump liquid when liquid level is too low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474360.5A CN104248904B (en) | 2014-09-17 | 2014-09-17 | DMF waste gas washing retracting device and the method for copper-clad plate manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474360.5A CN104248904B (en) | 2014-09-17 | 2014-09-17 | DMF waste gas washing retracting device and the method for copper-clad plate manufacture |
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| Publication Number | Publication Date |
|---|---|
| CN104248904A CN104248904A (en) | 2014-12-31 |
| CN104248904B true CN104248904B (en) | 2017-06-09 |
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| CN201410474360.5A Expired - Fee Related CN104248904B (en) | 2014-09-17 | 2014-09-17 | DMF waste gas washing retracting device and the method for copper-clad plate manufacture |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669405B (en) * | 2017-01-03 | 2019-12-27 | 江苏绿叶环境工程集团有限公司 | Wet flue gas desulfurization purification system |
| CN107335332B (en) * | 2017-06-14 | 2023-08-04 | 大唐环境产业集团股份有限公司 | Fold-line-shaped gas-liquid flow dividing device with collecting tank |
| CN107243248A (en) * | 2017-06-14 | 2017-10-13 | 大唐环境产业集团股份有限公司 | A kind of folded plate type gas-liquid part flow arrangement |
| CN108939832A (en) * | 2018-09-20 | 2018-12-07 | 广东伸丰环保科技有限公司 | Four circulation NMP gas concentration units and its recovery method |
| CN111085084A (en) * | 2019-11-29 | 2020-05-01 | 张家港绿色三星净化科技股份有限公司 | Multistage absorption method for organic waste gas |
| CN115069071A (en) * | 2021-03-10 | 2022-09-20 | 北京众鑫兴业大气污染治理有限公司 | Atomization method exhaust gas purification device |
| CN114059255A (en) * | 2021-12-16 | 2022-02-18 | 吴杨所依 | Steam setting machine with scrubbing function |
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| CN101791509A (en) * | 2010-03-31 | 2010-08-04 | 苏州巨联科技有限公司 | Ternary cycle DMF waste gas recovery method and device |
| CN204093273U (en) * | 2014-09-17 | 2015-01-14 | 泉州市天龙环境工程有限公司 | The DMF waste gas washing retracting device of copper-clad plate manufacture |
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| JPH0780276A (en) * | 1993-09-16 | 1995-03-28 | Mitsubishi Corp | Liquid redistributor for mass and/or heat exchange tower |
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| DE4211785A1 (en) * | 1991-04-15 | 1992-10-22 | Mitsui Shipbuilding Eng | DEVICE FOR GAS LIQUID CONTACT |
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