CN205340550U - Sour system tail gas sprays water purification retrieval and utilization and buck emission scrubbing tower - Google Patents
Sour system tail gas sprays water purification retrieval and utilization and buck emission scrubbing tower Download PDFInfo
- Publication number
- CN205340550U CN205340550U CN201521139317.XU CN201521139317U CN205340550U CN 205340550 U CN205340550 U CN 205340550U CN 201521139317 U CN201521139317 U CN 201521139317U CN 205340550 U CN205340550 U CN 205340550U
- Authority
- CN
- China
- Prior art keywords
- liquid storage
- alkali liquor
- desalted water
- scrubbing tower
- tail gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 239000007921 spray Substances 0.000 title claims abstract description 48
- 238000005201 scrubbing Methods 0.000 title claims abstract description 41
- 238000000746 purification Methods 0.000 title claims abstract description 21
- 239000003513 alkali Substances 0.000 claims abstract description 94
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000003860 storage Methods 0.000 claims abstract description 66
- 238000005406 washing Methods 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 43
- 239000002253 acid Substances 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 19
- 238000003475 lamination Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 230000008676 import Effects 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000001802 infusion Methods 0.000 description 3
- 235000021110 pickles Nutrition 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a sour system tail gas sprays water purification retrieval and utilization and buck emission scrubbing tower, the scrubbing tower includes alkali lye filler district, the desalinized water pack district and two -layer washing pack in the middle of the district deposit the liquid air channel and the liquid zone is deposited to alkali lye, the bottom that the liquid zone was deposited to alkali lye links to each other with the inlet line of alkali lye sprayed circulation pump, it packs to alkali lye to connect after alkali lye sprayed circulation delivery side of pump pipeline is connected with line mixer again distinguishes the alkali fluid nozzle on upper portion, it comprises middle vent -sleeve and fluid storage tank to deposit the liquid air channel, fluid storage tank 's side connecing after the demineralized water spraying circulating pump links to each other to the pack desalinized water nozzle on district upper portion of desalinized water with taking off through the pipeline again, the bottom side and the top of scrubbing tower set up tail gas import, tail gas export respectively. Through upper and lower two sets circulating spray system, form the circulation path who divides the matter circulation cleaning, realize dividing the matter washing to the liquid phase of flue gas in same set of scrubbing tower. The utility model discloses do not cause the washing liquid to mix, ensure that the retrieval and utilization of desalinized water and buck discharge.
Description
Technical field
This utility model relates to steel rolling acid pickle regenerative system technical field, is specifically related to a kind of acid system tail gas spray water purification reuse and aqueous alkali discharge scrubbing tower.
Background technology
The acid pickle that cold rolling mill pickled steel strip produces, has extremely strong corrosivity.If be not acted upon, it will environment to be caused serious pollution, simultaneously because the substantial amounts of discharge of hydrochloric acid, also result in the raising of pickling cost.Adopt spray roasting technique for the process major part of pickle liquor now, and vent gas washing system is one of kernel subsystems in spray roasting technique.
In spray roasting acid regeneration technique, spent acid generation chemical reaction, after the free HCl of generation is absorbed by one-level scrubbing tower (absorption tower), just can meet qualified discharge requirement in discharge to needing again repeatedly to wash before air.Additionally, generally also in the end one-level scrubbing tower arranges two-layer filler, carry out desalted water respectively and containing NaOH, Na2SO3Spray washing Deng alkaline solution.
In the middle of actual engineering design, the setting of conventional afterbody scrubbing tower two-layer filler, then carry out desalted water respectively and containing NaOH, Na2SO3Deng the spray washing of alkaline solution, the liquid after washing together collects in the liquid storage groove of bottom, it is impossible to separately, and this solution being mixed with alkaline matter cannot be back in acid purification system, can only discharge to waste water station, causes waste.And acid system tail gas spray water purification automatically reclaiming discharge washing system can realize individually discharging bottom containing aqueous slkali, and top desalted water can be back in acid purification system again with, it is achieved that recycle.It is therefore desirable to design a kind of acid system tail gas spray water purification automatically reclaiming discharge washing system, to overcome the problems referred to above.
Summary of the invention
The technical problems to be solved in the utility model is, for prior art above shortcomings, it is provided that a kind of acid system tail gas spray water purification reuse and aqueous alkali discharge scrubbing tower, makes desalted water and alkali liquor separately, meets its sustainable utilization.
This utility model be the technical scheme is that by the above-mentioned technical problem of solution
The spray water purification reuse of acid system tail gas and aqueous alkali discharge scrubbing tower, including alkali liquor packing area, the two-layer washing packing area that desalted water packing area is constituted, and two-layer washing packing area in the middle of liquid storage air channel and alkali liquor liquid storage district, the bottom in described alkali liquor liquid storage district is connected with alkali liquor Sprayer Circulation pump intake piping road, alkali liquor Sprayer Circulation delivery side of pump pipeline is connected to the alkali liquor nozzle on top, alkali liquor packing area again with pipe-line mixer after being connected, described liquid storage air channel is made up of middle air funnel and liquid storage groove, the side of liquid storage groove is connected to the desalted water nozzle on top, desalted water packing area again by pipeline after being connected with desalted water Sprayer Circulation pump, alkali liquor Sprayer Circulation pump and desalted water Sprayer Circulation pump are respectively used to provide circulation power for spray washing liquid；The bottom side of scrubbing tower is provided with inlet exhaust gas, and the top of scrubbing tower is provided with offgas outlet.
By such scheme; described alkali liquor liquid storage district is provided with alkali liquor lamination difference liquidometer; liquid storage air channel is provided with desalted water pressure reduction liquidometer, alkali liquor lamination difference liquidometer and desalted water pressure reduction liquidometer for controlling protection to the Level Detection in alkali liquor liquid storage district and liquid storage air channel is chain respectively.
By such scheme, described alkali liquor packing area also sets up a pH detection meter, and pH detection meter is connected on the pipeline of alkali liquor Sprayer Circulation pump, for by the pH detection to circulation acid solution, it is determined that the automatic-discharging of circulation fluid is controlled.
By such scheme, described liquid storage air channel is additionally provided with electrical conductivity on-line detecting system, electrical conductivity on-line detecting system includes electrical conductivity detection meter, desalted water drain valve and desalted water make-up valve, electrical conductivity detection meter is connected with desalted water drain valve and desalted water make-up valve simultaneously, and desalted water drain valve and desalted water make-up valve are connected to the liquid storage groove of liquid storage air channel.
By such scheme, described two-layer washing packing area expands to Multi-layer sprinkling packing area according to practical situation.
By such scheme, Ge Ceng spraying filler arranges liquid storage air channel in the middle of district.
This utility model acid system tail gas spray water purification reuse and aqueous alkali discharge scrubbing tower automatically control washing process, comprising the steps: 1) flue gas enters alkali liquor packing area (scrubbing tower lower area) from inlet exhaust gas, and the cleaning mixture through being extracted in alkali liquor liquid storage district by alkali liquor Sprayer Circulation pump is supplied to alkali liquor nozzle and sprays alkali liquor packing area and complete bottom spray washing work；2) flue gas subsequently flows through air funnel in the middle of liquid storage air channel and enters desalted water packing area (scrubbing tower upper area), is supplied to desalted water nozzle through the cleaning mixture extracted in liquid storage air channel liquid storage groove by desalted water Sprayer Circulation pump and sprays desalted water packing area and complete top spray washing work；3) flue gas after washing is finally discharged scrubbing tower by offgas outlet.
Liquid level in alkali liquor liquid storage district and liquid storage air channel is detected chain by alkali liquor lamination difference liquidometer and desalted water pressure reduction liquidometer respectively, it is achieved with the chain of desalted water Sprayer Circulation pump, the chain control of scrubbing tower fluid infusion and alkali liquor Sprayer Circulation pump are controlled protection.
During the spray washing of bottom, alkali liquor Sprayer Circulation delivery side of pump pipeline arranges pipe-line mixer, in pipe-line mixer, adds NaOH and Na2SO3So as to spray into alkali liquor packing area after being sufficiently mixed, it is ensured that to the absorption of HCl in tail gas.
During the spray washing of top, detect meter by the electrical conductivity of electrical conductivity on-line detecting system and the desalted water in liquid storage air channel is carried out on-line monitoring, if electrical conductivity rises to a certain degree, desalted water extremely low liquid level in chain control desalted water drain valve discharge liquid storage air channel, turn off desalted water drain valve and open the supplementary paramount liquid level of desalted water of desalted water make-up valve, it is achieved Automatic Control.
Operation principle of the present utility model: in the middle part of scrubbing tower, be provided with the liquid storage air channel of top cover in the middle of upper and lower two-layer filler, Sprayer Circulation system is overlapped again through upper and lower two, form the circulation path of sub-prime circulation washing, it is achieved that in same set of scrubbing tower, the liquid phase sub-prime of flue gas is washed.
The beneficial effects of the utility model:
1, in scrubbing tower, flue gas is realized the layering sub-prime washing of desalted water and alkali liquor, does not cause the cleaning mixture in scrubbing tower to mix, it is ensured that the reuse of desalted water, avoid arranging multiple scrubbing tower simultaneously；
2, NaOH and Na is added by pipe-line mixer2SO3So as to spray into alkali liquor packing area after being sufficiently mixed, it is ensured that to the assimilation effect of HCl in tail gas；
3, electrical conductivity on-line detecting system can realize desalted water being used to greatest extent and full automatic fluid infusion emission control, it is greatly saved desalted water consumption and decreases tail liquid emissions amount, individually the desalted water of discharge is back in acid purification system and absorbs liquid for regenerated acid, it is achieved that recycle.
Accompanying drawing explanation
Fig. 1 is the spray water purification reuse of this utility model acid system tail gas and the structural representation of aqueous alkali discharge scrubbing tower；
In figure: 1. alkali liquor packing area, 2. alkali liquor Sprayer Circulation pump, 3. alkali liquor nozzle, 4. desalted water packing area, 5. desalted water Sprayer Circulation pump, 6. desalted water nozzle, 7. liquid storage air channel, 8. alkali liquor liquid storage district, 9. inlet exhaust gas, 10. offgas outlet, 11. alkali liquor lamination difference liquidometers, 12. desalted water pressure reduction liquidometers, 13. desalted water make-up valve, 14. desalted water drain valves, 15. electrical conductivity detection meters, 16. pipe-line mixer, 17-pH detects meter.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solutions of the utility model are described in detail.
With reference to shown in Fig. 1, acid system tail gas described in the utility model spray water purification reuse and aqueous alkali discharge scrubbing tower, including alkali liquor packing area 1, the two-layer washing packing area that desalted water packing area 4 is constituted, and two-layer washing packing area in the middle of liquid storage air channel 7 and alkali liquor liquid storage district 8, the bottom in alkali liquor liquid storage district 8 is connected with the entrance pipe of alkali liquor Sprayer Circulation pump 2, the export pipeline of alkali liquor Sprayer Circulation pump 2 is connected to the alkali liquor nozzle 3 on top, alkali liquor packing area 1 again with pipe-line mixer 16 after being connected, liquid storage air channel 7 is made up of middle air funnel and liquid storage groove, the side of liquid storage groove is connected to the desalted water nozzle 6 on top, desalted water packing area 4 again by pipeline after being connected with desalted water Sprayer Circulation pump 5, alkali liquor Sprayer Circulation pump 2 and desalted water Sprayer Circulation pump 5 are respectively used to provide circulation power for spray washing liquid；The bottom side of scrubbing tower is provided with inlet exhaust gas 9, and the top of scrubbing tower is provided with offgas outlet 10.
Alkali liquor liquid storage district 8 is provided with alkali liquor lamination difference liquidometer 11; liquid storage air channel 7 is provided with desalted water pressure reduction liquidometer 12, alkali liquor lamination difference liquidometer 11 and desalted water pressure reduction liquidometer 12 for controlling protection to the Level Detection in alkali liquor liquid storage district 8 and liquid storage air channel 7 is chain respectively.
Alkali liquor packing area 8 also sets up pH detection meter 17, a pH detection meter 17 and is connected on the pipeline of alkali liquor Sprayer Circulation pump 5, for by the pH of circulation acid solution is detected, it is determined that the automatic-discharging of circulation fluid is controlled.
Liquid storage air channel 7 is additionally provided with electrical conductivity on-line detecting system, electrical conductivity on-line detecting system includes electrical conductivity detection meter 15, desalted water drain valve 14 and desalted water make-up valve 13, electrical conductivity detection meter 15 is connected with desalted water drain valve 14 and desalted water make-up valve 13 simultaneously, and desalted water drain valve 14 and desalted water make-up valve 13 are connected to the liquid storage groove of liquid storage air channel 7.
Two-layer washing packing area expands to Multi-layer sprinkling packing area also dependent on practical situation.
Ge Ceng spraying filler arranges liquid storage air channel 7 in the middle of district, the air-flow meeting filler interval passes through, simultaneously again by the requirement separately of the spray liquid of different packing areas so that heterogeneity, variable concentrations spray liquid sub-prime spray in same scrubbing tower, do not mix again after spray and be possibly realized.
This utility model acid system tail gas spray water purification reuse and aqueous alkali discharge scrubbing tower automatically control washing process, comprise the steps:
1) flue gas enters alkali liquor packing area 1 (scrubbing tower lower area) from inlet exhaust gas 9, is supplied to alkali liquor nozzle 3 and sprays alkali liquor packing area 1 through being extracted the cleaning mixture in alkali liquor liquid storage district 8 by alkali liquor Sprayer Circulation pump 2 and complete bottom spray washing work；
2) flue gas subsequently flows through the middle air funnel of liquid storage air channel 7 and enters desalted water packing area 4 (scrubbing tower upper area), is supplied to desalted water nozzle 6 and sprays desalted water packing area 4 through being extracted the cleaning mixture in liquid storage air channel 7 liquid storage groove by desalted water Sprayer Circulation pump 5 and complete top spray washing work；
3) flue gas after washing is finally discharged scrubbing tower by offgas outlet 10.
Spray washing liquid in alkali liquor liquid storage district 8 and liquid storage air channel 7 can meet the circulated sprinkling feed flow of alkali liquor packing area 1, desalted water packing area 4.Alkali liquor Sprayer Circulation pump 2 and desalted water Sprayer Circulation pump 5 provide circulation power for spray washing liquid.
Liquid level in alkali liquor liquid storage district 8 and liquid storage air channel 7 is detected chain by alkali liquor lamination difference liquidometer 11 and desalted water pressure reduction liquidometer 12 respectively respectively, meets chain control the to the chain control of scrubber system fluid infusion and alkali liquor Sprayer Circulation pump 2 and desalted water Sprayer Circulation pump 5 and protects.
During the spray washing of bottom, alkali liquor Sprayer Circulation pump discharge pipeline arranges pipe-line mixer 16, in pipe-line mixer 16, adds NaOH and Na2SO3So as to spray into alkali liquor packing area 1 after being sufficiently mixed, it is ensured that to the assimilation effect of HCl in tail gas.
During the spray washing of top, by electrical conductivity detection meter 15 for the desalted water in liquid storage air channel 7 is carried out on-line monitoring, if electrical conductivity rises to 1000us/cm, chain control desalted water drain valve 14 discharges the extremely low liquid level of the desalted water in liquid storage air channel 7, turn off desalted water drain valve 14 and open desalted water make-up valve 13 and supplement the paramount liquid level of desalted water, it is achieved Automatic Control.
Obviously, above-described embodiment is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, the apparent change extended out according to spirit of the present utility model or variation are still among protection domain of the present utility model.
Claims (6)
1. the spray water purification reuse of acid system tail gas and aqueous alkali discharge scrubbing tower, it is characterized in that: include alkali liquor packing area, the two-layer washing packing area that desalted water packing area is constituted, and two-layer washing packing area in the middle of liquid storage air channel and alkali liquor liquid storage district, the bottom in described alkali liquor liquid storage district is connected with alkali liquor Sprayer Circulation pump intake piping road, alkali liquor Sprayer Circulation delivery side of pump pipeline is connected to the alkali liquor nozzle on top, alkali liquor packing area again with pipe-line mixer after being connected, described liquid storage air channel is made up of middle air funnel and liquid storage groove, the side of liquid storage groove is connected to the desalted water nozzle on top, desalted water packing area again by pipeline after being connected with desalted water Sprayer Circulation pump, alkali liquor Sprayer Circulation pump and desalted water Sprayer Circulation pump are respectively used to provide circulation power for spray washing liquid；The bottom side of scrubbing tower is provided with inlet exhaust gas, and the top of scrubbing tower is provided with offgas outlet.
2. acid system tail gas according to claim 1 spray water purification reuse and aqueous alkali discharge scrubbing tower; it is characterized in that: described alkali liquor liquid storage district is provided with alkali liquor lamination difference liquidometer; liquid storage air channel is provided with desalted water pressure reduction liquidometer, alkali liquor lamination difference liquidometer and desalted water pressure reduction liquidometer for controlling protection to the Level Detection in alkali liquor liquid storage district and liquid storage air channel is chain respectively.
3. acid system tail gas according to claim 1 spray water purification reuse and aqueous alkali discharge scrubbing tower, it is characterized in that: described alkali liquor packing area also sets up a pH detection meter, pH detection meter is connected on the pipeline of alkali liquor Sprayer Circulation pump, for passing through the pH detection to circulation acid solution, it is determined that the automatic-discharging of circulation fluid is controlled.
4. acid system tail gas according to claim 1 spray water purification reuse and aqueous alkali discharge scrubbing tower, it is characterized in that: described liquid storage air channel is additionally provided with electrical conductivity on-line detecting system, electrical conductivity on-line detecting system includes electrical conductivity detection meter, desalted water drain valve and desalted water make-up valve, electrical conductivity detection meter is connected with desalted water drain valve and desalted water make-up valve simultaneously, and desalted water drain valve and desalted water make-up valve are connected to the liquid storage groove of liquid storage air channel.
5. acid system tail gas according to claim 1 spray water purification reuse and aqueous alkali discharge scrubbing tower, it is characterised in that: described two-layer washing packing area expands to Multi-layer sprinkling packing area also dependent on practical situation.
6. acid system tail gas according to claim 5 spray water purification reuse and aqueous alkali discharge scrubbing tower, it is characterised in that: Ge Ceng spraying filler arranges liquid storage air channel in the middle of district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139317.XU CN205340550U (en) | 2015-12-31 | 2015-12-31 | Sour system tail gas sprays water purification retrieval and utilization and buck emission scrubbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139317.XU CN205340550U (en) | 2015-12-31 | 2015-12-31 | Sour system tail gas sprays water purification retrieval and utilization and buck emission scrubbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205340550U true CN205340550U (en) | 2016-06-29 |
Family
ID=56172828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521139317.XU Active CN205340550U (en) | 2015-12-31 | 2015-12-31 | Sour system tail gas sprays water purification retrieval and utilization and buck emission scrubbing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205340550U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413438A (en) * | 2015-12-31 | 2016-03-23 | 中冶南方工程技术有限公司 | Acid-system tail gas spraying clear-water-recycling and alkaline-water-draining washing tower and automatic control washing technology thereof |
| CN105435593A (en) * | 2015-12-31 | 2016-03-30 | 中冶南方工程技术有限公司 | Substance-separating circulation integrated washing tower and washing technology thereof |
| CN106186117A (en) * | 2016-08-29 | 2016-12-07 | 金川集团股份有限公司 | A kind of processing means containing mud acid water and processing method |
-
2015
- 2015-12-31 CN CN201521139317.XU patent/CN205340550U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413438A (en) * | 2015-12-31 | 2016-03-23 | 中冶南方工程技术有限公司 | Acid-system tail gas spraying clear-water-recycling and alkaline-water-draining washing tower and automatic control washing technology thereof |
| CN105435593A (en) * | 2015-12-31 | 2016-03-30 | 中冶南方工程技术有限公司 | Substance-separating circulation integrated washing tower and washing technology thereof |
| CN106186117A (en) * | 2016-08-29 | 2016-12-07 | 金川集团股份有限公司 | A kind of processing means containing mud acid water and processing method |
| CN106186117B (en) * | 2016-08-29 | 2023-06-02 | 金川集团股份有限公司 | Treatment device and treatment method for mud-containing acid water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102198361B (en) | Hydrogen chloride tail gas recovery equipment | |
| CN205340550U (en) | Sour system tail gas sprays water purification retrieval and utilization and buck emission scrubbing tower | |
| CN211612176U (en) | Hydrogen chloride tail gas absorbing device of by-product high concentration hydrochloric acid | |
| CN204911090U (en) | Fertile prilling tower vent gas treatment system in of nitro | |
| CN201912877U (en) | System for processing medical waste incineration tail gas containing high concentration hydrogen chloride | |
| CN201578982U (en) | Novel acid generation washing tower | |
| CN202893175U (en) | Flue gas desulfurization and denitrification integrated device of sintering machine | |
| CN105413438A (en) | Acid-system tail gas spraying clear-water-recycling and alkaline-water-draining washing tower and automatic control washing technology thereof | |
| CN204352742U (en) | Chemical washing and low temperature plasma coupling processing exhaust gas apparatus | |
| CN203291704U (en) | Vertical type acid-base waste gas scrubbing tower | |
| CN205252876U (en) | Flue gas desulfurization denitration process units | |
| CN107388847A (en) | Heat reclaim unit and technique in flue gas desulfurization and denitration technique | |
| CN112500893A (en) | Pipeline spraying system and method for removing organic sulfur or inorganic sulfur from blast furnace gas | |
| CN204522718U (en) | Hydrochloric acid tank hydrogen chloride tail gas treating apparatus | |
| CN203955018U (en) | A kind of spray roasting acid regeneration is containing sour exhaust gas purification system | |
| CN105311928A (en) | Packed tower and Venturi all-in-one washing system and washing method thereof | |
| CN103977685B (en) | A kind of spray roasting acid regeneration is containing sour exhaust gas purification system and tail gas clean-up technique | |
| CN205340495U (en) | Divide matter circulation integral type scrubbing tower | |
| CN204973533U (en) | Cold rolled stainless steel pickling exhaust purification system | |
| CN106268305B (en) | Coke oven flue gas desulfuring and denitrifying apparatus | |
| CN206502787U (en) | A kind of removing tar dirt system of coke-stove gas | |
| CN206746286U (en) | Waste gas recovery containing HCL is recycled one kind and tail gas alkali lye neutralisation treatment system | |
| CN212142112U (en) | Wet desulphurization equipment | |
| CN105435593A (en) | Substance-separating circulation integrated washing tower and washing technology thereof | |
| CN204017650U (en) | Sinter fume treatment system, acid making system and relieving haperacidity exhaust gas processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |