CN201752629U - Tail gas treatment device - Google Patents
Tail gas treatment device Download PDFInfo
- Publication number
- CN201752629U CN201752629U CN2010202786092U CN201020278609U CN201752629U CN 201752629 U CN201752629 U CN 201752629U CN 2010202786092 U CN2010202786092 U CN 2010202786092U CN 201020278609 U CN201020278609 U CN 201020278609U CN 201752629 U CN201752629 U CN 201752629U
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- Prior art keywords
- tail gas
- gas
- filler
- distribution grid
- foam
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Abstract
The utility model discloses a tail gas treatment device, which comprises a foam catching washer, a tail gas absorbing tower and a tail gas washing tower, wherein the upper end of the tail gas washing tower is connected with the foam catching washer while the lower end is connected to the tail gas absorbing tower. By the aid of the tail gas washing tower which is added in the middle of the conventional tail gas treatment device, alkali fog and sodium sulfite crystalline particles in tail gas after being absorbed by alkali liquor can be removed effectively.
Description
Technical field
The utility model relates to a kind of exhaust gas processing device, especially relates to a kind of with tail gas absorber and tail gas water scrubber exhaust gas processing device together.
Background technology
At present, for the sulfur dioxide flue gas that smelting system produced, common processing method mainly contains two kinds: the one, the flue gas of height variable concentrations is mixed, and treat that it enters acid making system when reaching the relieving haperacidity concentration requirement and produces sulfuric acid; The 2nd, for the flue gas that contains hydrocarbons, if produce sulfuric acid with it, the sulfuric acid that obtains turns black, and influences the quality of product, and this part flue gas is used for producing the sodium sulfite product.Preceding a kind of production technology is owing to reasons such as flue gas concentration fluctuation can cause sulfuric acid tail gas to exceed standard, and is up to standard for making tail gas, and the way that often adopts alkali lye to absorb solves; The situation that a kind of technology in back also exists tail gas to exceed standard.Two kinds of common shortcomings of technology just are to have alkali mist and sodium sulfite crystalline particle in the tail gas of alkali lye absorption back; the alkali mist can cause the corrosion of follow-up equipment; improve the particularly material requirement of blower fan of follow-up equipment; the sodium sulfite crystalline particle can cause the abrasion on exhaust pipe road on the one hand; crystalline particle can stop up filler and lump in equipment on the other hand, influences the dynamic balancing of blower fan.Existing tail gas absorber is traditional absorption tower structure, absorption tower, circulating slot and catch foam device split configuration, establish packing layer, liquid distribution device in the absorption tower, material flow is complicated and often absorb for being interrupted, and can not solve fundamentally that tail gas exceeds standard, tail gas contains the high difficult problem of alkali mist.
The utility model content
In view of this, the purpose of this utility model provides and a kind ofly can handle the alkali mist in the tail gas and the exhaust gas processing device of sodium sulfite crystalline particle.
Above-mentioned purpose realizes by following proposal:
A kind of exhaust gas processing device, this exhaust gas processing device comprises the exhanst gas outlet of catching foam water scrubber, tail gas absorber and being positioned at described exhaust gas processing device top, it is characterized in that, described exhaust gas processing device also comprises the tail gas water scrubber, described tail gas water scrubber upper end connects the described foam water scrubber of catching, the lower end connects described tail gas absorber, and wherein said tail gas water scrubber comprises:
Water spray system, it is made up of shower and nozzle, and nozzle is by in the uniform arrangement of the upper and lower surface of shower;
The filler grids screen, this filler grids screen is supported by the filler gripper shoe of its below, and filler places on this filler grids screen;
Gas-liquid separation device, it is made up of gas distribution grid and liquid-blocking cap, described gas distribution grid is an arc on, have a plurality of apertures at described gas distribution grid, described liquid-blocking cap is that an end is uncovered, the other end is equipped with the pipeline of taper rainhat, and opening end is connected on the aperture on the gas distribution grid;
Be provided with the circulation fluid gatherer in the described tail gas absorber, this circulation fluid gatherer is a fiberglass storage tank, tank body is positioned over the built-in circulating slot of the tail gas absorber that is positioned under the tail gas water scrubber, the upper end is connected with the circulation fluid collecting pipe, and the liquid outlet of opening on circulation fluid collecting pipe and the described gas distribution grid is connected.
According to above-mentioned exhaust gas processing device, it is characterized in that the described foam water scrubber of catching comprises and catches the foam tower body, catches foam device and spray equipment.
According to above-mentioned exhaust gas processing device, it is characterized in that described tail gas absorber comprises:
Double-deck water spray system, it comprises two showers up and down, uses tubule that two showers are linked to each other, and is having a plurality of apertures on the shower down;
The filler grids screen, it is positioned at double-deck water spray system below, places filler above, and this filler grids screen is supported by the filler gripper shoe of its below;
Gas approach, it is positioned at the middle and lower part of described tail gas absorber;
Bracing frame, it supports described filler gripper shoe;
Gas distribution grid, it is an arc on, has a plurality of apertures above.
Add the tail gas water scrubber by centre, can effectively remove in the tail gas of alkali lye absorption back and have alkali mist and sodium sulfite crystalline particle at the conventional exhaust treating apparatus.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Referring to Fig. 1, exhaust gas processing device of the present utility model comprises catches foam water scrubber, tail gas absorber and tail gas water scrubber, tail gas water scrubber upper end connects catches the foam water scrubber, the lower end connects tail gas absorber, catching foam water scrubber top is exhanst gas outlet 1, the flange spool that this exhanst gas outlet 1 adopts the FRP material to make, flange is used to connect smoke conveying duct, and opening end links to each other with tower body.The tail gas water scrubber comprises: water spray system, and it is made up of shower 2 and nozzle 3, and nozzle 3 is evenly arranged in the uniform arrangement of upper and lower surface of shower 2; Filler grids screen 4, filler grids screen 4 is supported by the filler gripper shoe 5 of its below, and filler 6 places on the filler grids screen 4.
Gas-liquid separation device, it is made up of gas distribution grid 7 and liquid-blocking cap 8, gas distribution grid 7 is arcs on, have a plurality of apertures at gas distribution grid 7, liquid-blocking cap 8 is that an end is uncovered, the other end is equipped with the pipeline of taper rainhat, and opening end is connected on the aperture on the gas distribution grid, has the square hole of 100mm * 100mm at 150mm place, its lower end so that gas is discharged under without leakage situation; Rainhat is supported on another opening end with four glass fiber reinforced plastic solid axles.Gas distribution grid 7 has two effects, the one, distribution of gas effect: enter flow regime in the tower according to gas, the gross area of aperture is identical with the area of smoke outlet tube, evenly enter the tail gas water washing device by the flue gas after the tail gas absorber absorption through gas distribution grid, can reduce the quadratic distribution device of flue gas in equipment; The 2nd, liquid obscures effect: from water spray system spray and liquid down is blocked after passing through gas distribution grid, prevent to enter device for absorbing tail gas and the concentration that reduces absorption liquid.
Be provided with circulation fluid gatherer 9 in the tail gas absorber, circulation fluid gatherer 9 is a fiberglass storage tank, tank body is positioned over the built-in circulating slot of the tail gas absorber that is positioned under the tail gas water scrubber, the upper end is connected with circulation fluid collecting pipe 10, and the liquid outlet of opening on circulation fluid collecting pipe 10 and the gas distribution grid 7 is connected.The liquid outlet that liquid is opened from gas distribution grid 7 from water spray system spray back flow in the circulation fluid gatherer and recycles, and liquid concentration to be recycled effluxes when reaching design load.
Catching the foam water scrubber comprises and catches foam tower body 11, catches foam device 12 and spray equipment 13.It is two-layer up and down to catch foam device 12 minutes, and the main effect that the foam device is caught by lower floor is to capture the crystalline particle that is mingled with in the diluted alkaline mist that produces in the water-washing process and the flue gas, and the foam device is caught for reducing the water smoke content in the discharging tail gas in the upper strata.Catch the foam device by catch the foam brace summer, the foam skeleton caught by silk screen and the silk screen mist eliminator is formed.Catch the foam brace summer and work to support silk screen, use glass-lined steel steel matter, be supported on the set support bracket; Silk screen is caught the foam skeleton and is made up of layer glass steel grating version up and down, the block silk screen mist eliminator that the useful poly-tetrafluoro silk screen of center fixed is made, and two-layer flase floor is fixed with the fiberglass rivet.But spray equipment 13 periodic flushings are caught the foam device, improve and catch the foam performance, reduce equipment resistance.
Tail gas absorber comprises: double-deck water spray system 14, it comprises two showers up and down, use tubule that two showers are linked to each other, having a plurality of apertures on the shower down, shower is the body that UPVC makes, and nozzle is made by the PP material, in the uniform arrangement of the upper and lower surface of shower, make liquid ejection in the nozzle form four layers vaporific, thereby increase the gas-liquid contact area, strengthen assimilation effect; Filler grids screen 15, it is positioned at double-deck water spray system below, places filler above, filler divides two-layer, below one deck with the Ф 150 Pall rings composition of neatly arranging, the upper strata huddles with Ф 50 Pall rings, bed stuffing height is definite according to technology Calculation.Filler grids screen 15 is supported by the filler gripper shoe 16 of its below; Gas approach 17, it is positioned at the middle and lower part of tail gas absorber; Bracing frame 18, it supports filler gripper shoe 16; Gas distribution grid 19, it is an arc on, has a plurality of apertures above.
This device for absorbing tail gas workflow is as follows:
After sulfuric acid or sodium sulfite tail gas enter tail gas absorber alkali cleaning processing, the square hole of 100mm * 100mm in the pore that the flue gas that contains alkali mist and crystalline particle is held successfully from gas distribution grid on liquid-blocking cap flow to the tail gas water scrubber, in packing layer and water counter current contacting under water spray system spray, alkali mist and crystalline particle in the tail gas are absorbed by water, and the tail gas after the absorption captures the residual alkali mist after smoke outlet tube is discharged through catching the foam device; Recirculated water contacts back gravity from water spray system spray atomizing back at packing layer earlier with flue gas adverse current downward, after flowing to gas distribution grid, be trapped, finally open to such an extent that liquid outlet flow to the circulation fluid collecting pipe from gas distribution grid, and flow to the circulation fluid gatherer by the circulation fluid collecting pipe, discharge from the circulation fluid outlet at last and play circulation with pump, liquid concentration to be recycled effluxes when reaching design load.
Claims (3)
1. exhaust gas processing device, this exhaust gas processing device comprises the exhanst gas outlet of catching foam water scrubber, tail gas absorber and being positioned at described exhaust gas processing device top, it is characterized in that, described exhaust gas processing device also comprises the tail gas water scrubber, described tail gas water scrubber upper end connects the described foam water scrubber of catching, the lower end connects described tail gas absorber, and wherein said tail gas water scrubber comprises:
Water spray system, it is made up of shower and nozzle, and nozzle is by in the uniform arrangement of the upper and lower surface of shower;
The filler grids screen, this filler grids screen is supported by the filler gripper shoe of its below, and filler places on this filler grids screen;
Gas-liquid separation device, it is made up of gas distribution grid and liquid-blocking cap, described gas distribution grid is an arc on, have a plurality of apertures at described gas distribution grid, described liquid-blocking cap is that an end is uncovered, the other end is equipped with the pipeline of taper rainhat, and opening end is connected on the aperture on the gas distribution grid; And,
Be provided with the circulation fluid gatherer in the described tail gas absorber, this circulation fluid gatherer is a fiberglass storage tank, tank body is positioned over the built-in circulating slot of the tail gas absorber that is positioned under the tail gas water scrubber, the upper end is connected with the circulation fluid collecting pipe, and the liquid outlet of opening on circulation fluid collecting pipe and the described gas distribution grid is connected.
2. exhaust gas processing device according to claim 1 is characterized in that, the described foam water scrubber of catching comprises and catches the foam tower body, catches foam device and spray equipment.
3. exhaust gas processing device according to claim 1 is characterized in that, described tail gas absorber comprises:
Double-deck water spray system, it comprises two showers up and down, uses tubule that two showers are linked to each other, and is having a plurality of apertures on the shower down;
The filler grids screen, it is positioned at double-deck water spray system below, places filler above, and this filler grids screen is supported by the filler gripper shoe of its below;
Gas approach, it is positioned at the middle and lower part of described tail gas absorber;
Bracing frame, it supports described filler gripper shoe;
Gas distribution grid, it is an arc on, has a plurality of apertures above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202786092U CN201752629U (en) | 2010-07-30 | 2010-07-30 | Tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202786092U CN201752629U (en) | 2010-07-30 | 2010-07-30 | Tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201752629U true CN201752629U (en) | 2011-03-02 |
Family
ID=43620361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202786092U Expired - Fee Related CN201752629U (en) | 2010-07-30 | 2010-07-30 | Tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201752629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029542A (en) * | 2017-06-08 | 2017-08-11 | 威海普益船舶环保科技有限公司 | Guiding device and scrubbing tower |
| CN107519755A (en) * | 2017-10-19 | 2017-12-29 | 张家港市艾尔环保工程有限公司 | Multi-functional washing absorption plant |
| CN108126509A (en) * | 2018-01-04 | 2018-06-08 | 台鹰环境工程有限公司 | High-efficiency desulfurization smoke distributing equipment |
-
2010
- 2010-07-30 CN CN2010202786092U patent/CN201752629U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029542A (en) * | 2017-06-08 | 2017-08-11 | 威海普益船舶环保科技有限公司 | Guiding device and scrubbing tower |
| CN107519755A (en) * | 2017-10-19 | 2017-12-29 | 张家港市艾尔环保工程有限公司 | Multi-functional washing absorption plant |
| CN108126509A (en) * | 2018-01-04 | 2018-06-08 | 台鹰环境工程有限公司 | High-efficiency desulfurization smoke distributing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20140730 |
|
| EXPY | Termination of patent right or utility model |