CN207169398U - A kind of viscose rayon emission-control equipment - Google Patents
A kind of viscose rayon emission-control equipment Download PDFInfo
- Publication number
- CN207169398U CN207169398U CN201720930140.8U CN201720930140U CN207169398U CN 207169398 U CN207169398 U CN 207169398U CN 201720930140 U CN201720930140 U CN 201720930140U CN 207169398 U CN207169398 U CN 207169398U
- Authority
- CN
- China
- Prior art keywords
- dynamic wave
- spray column
- scrubbing tower
- wave scrubbing
- foam removal
- 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
- 229920000297 Rayon Polymers 0.000 title claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 64
- 238000005201 scrubbing Methods 0.000 claims abstract description 54
- 239000003513 alkali Substances 0.000 claims abstract description 44
- 239000006260 foam Substances 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 abstract description 32
- 239000002912 waste gas Substances 0.000 abstract description 28
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 12
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000002964 rayon Substances 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 64
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XDAHMMVFVQFOIY-UHFFFAOYSA-N methanedithione;sulfane Chemical compound S.S=C=S XDAHMMVFVQFOIY-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005200 wet scrubbing Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of viscose rayon emission-control equipment, including the dynamic wave scrubbing tower and foam removal spray column being sequentially connected, dynamic wave scrubbing top of tower sets exhaust gas entrance, dynamic wave scrubbing tower bottom connects the air inlet of foam removal spray column, the dynamic wave scrubbing tower connects alkali liquor pipe, and the exit of alkali liquor pipe sets Dynawave nozzle.The utility model makes alkali lye using air-flow and contains H by increasing dynamic wave scrubbing tower on existing foam removal spray column2S and CS2Viscose rayon waste gas form froth zone in dynamic wave scrubbing tower, in dynamic wave scrubbing tower liquid surface area it is big and also rapidly renewal pass the gas through in froth zone and fully contact and react, waste gas and alkali lye after the processing of dynamic wave scrubbing tower are re-fed into foam removal spray column and carry out spray-absorption, the concentration of hydrogen sulfide in waste gas after final process is stablized in 0PPM, increased its internal structure of dynamic wave scrubbing tower is simple, and equipment repair and maintenance are few.
Description
Technical field
The utility model is a kind of viscose rayon emission-control equipment, and in particular to contains hydrogen sulfide in viscose glue production process
With the processing unit of the sour gas such as carbon disulfide, belong to gas handling techniques field.
Background technology
Hydrogen sulfide can be produced in production process of viscose fiber（H2S）And carbon disulfide（CS2）The acid waste gas such as gas, it is existing
Processing method be to use alkali lye（NaOH）Spray-absorption is carried out in spray column, reaction principle is as follows：2NaOH+H2S=Na2S+
2H2O.During processing, under alkali lye is sprayed by the spiral nozzle on spray column top, waste gas is sent into by the bottom of spray column, in the middle part of spray column
If filler（Such as PP balls）, spray column outlet sets demister.The appearance and size of spray column typically has φ 4000*8000mm, treats
Cheng Zhong, because spraying effect, depth of packing etc. cause the effect of spray process poor and unstable, vulcanize in the waste gas after processing
The concentration of hydrogen typically in 20-60PPM, meanwhile, overhaul of the equipments shower nozzle and to change the workload such as filler also larger.
Existing patent document CN102350174A（Use dynamic wave scrubber selectively removing H2S method, 2012-02-
15）Disclose one kind and desulfurizing agent is utilized from containing CO by dynamic wave scrubbing technology2Admixture of gas in selectively removing H2S's
Method, it is disclosed that dynamic wave scrubbing technology is liquidated by fluid column with air-flow to form the froth zone of high velocity turbulent flow to strengthen
The wet scrubbing process of gas-liquid heat-transfer and mass-transfer efficiency.In addition, patent document CN2887419（At a kind of combined type waste gas
Reason tower, 20070411）Disclose on tower body while packing layer is set, spray equipment and rapid washing pipe and Dynawave nozzle composition
Combination tower body is handled waste gas, and preferably washing and cooling effect are obtained using dynamic wave scrubbing technology.
Utilization based on prior art to dynamic wave scrubbing technology, the utility model arise at the historic moment.
Utility model content
The purpose of this utility model is to provide a kind of viscose rayon emission-control equipment, by existing foam removal spray column
Upper increase dynamic wave scrubbing tower, makes alkali lye using air-flow and contains H2S and CS2Viscose rayon waste gas in dynamic wave scrubbing tower
Form froth zone, in dynamic wave scrubbing tower liquid surface area it is big and also rapidly renewal pass the gas through in froth zone fully contact and
Reaction, waste gas and alkali lye after the processing of dynamic wave scrubbing tower are re-fed into foam removal spray column and carry out spray-absorption so that final process
The concentration of hydrogen sulfide can be stablized in 0PPM in waste gas afterwards, and increased its internal structure of dynamic wave scrubbing tower is simple, overhaul of the equipments
Safeguard few.
The utility model is achieved through the following technical solutions：A kind of viscose rayon emission-control equipment, including be sequentially connected
Dynamic wave scrubbing tower and foam removal spray column, dynamic wave scrubbing top of tower sets exhaust gas entrance, and the connection of dynamic wave scrubbing tower bottom removes
The air inlet of foam spray column, the dynamic wave scrubbing tower connect alkali liquor pipe, and the exit of alkali liquor pipe sets Dynawave nozzle.
The Dynawave nozzle apart from exhaust gas entrance distance controlling in 1.2~1.5m.
Also include one-level spray column, one-level spray column is located at dynamic wave scrubbing tower front end, and the dynamic wave scrubbing tower gives up
Gas entrance connects the gas outlet of one-level spray column.
The one-level spray column and foam removal spray tower bottom are all provided with lye tank (vat), and the alkali liquor pipe connects one-level spray column or removed
The lye tank (vat) of foam spray column.
Delivery pump is set on the alkali liquor pipe, flowmeter P1 is set at delivery pump, set at exhaust gas entrance flowmeter P2, the P1 with
P2 chain controls.
The utility model compared with prior art, has advantages below and beneficial effect：
（1）Dynamic wave scrubbing technology is applied to the processing of viscose rayon waste gas by the utility model, by existing foam removal
Increase dynamic wave scrubbing tower before spray column, the alkali lye of ejection and waste gas is formed a strong turbulence in spray column using air-flow
Region, the abundant haptoreaction of gas-liquid, especially to the alkali lye containing hydrogen sulfide and carbon disulfide gas in production process of viscose fiber
During processing, after processing in waste gas the concentration energy stability contorting of hydrogen sulfide in 0PPM.
（2）The utility model can be reequiped on existing two-stage spray column, and power spray column is designed as air duct structure, if
In on the connection airduct of two-stage spray column, for example, diameter phi 1200mm or so, length L5000mm or so airduct, floor space
It is small, it is not required to take up an area in addition, airduct same footpath of the assembly dia substantially with one-level spray column, is directly installed on airduct.
（3）The dynamic wave scrubbing tower that the utility model uses eliminates the packing layer that existing spray column uses, internal structure
Simply, only Dynawave nozzle, equipment operation failure rate is low, and checking maintenance burns, and compared with existing spray column, is not required to periodic replacement and fills out
Material（PP balls）It is low with inspection nozzle, repair and maintenance cost.
（4）The utility model by the distance controlling of exhaust gas entrance and Dynawave nozzle in 1.2~1.5m, in use, waste gas
Enter from top to bottom, alkali lye is sprayed from bottom to top by Dynawave nozzle, can reach momentum balance and in dynamic wave scrubbing tower
800-1000mm froth zone is formed, to cause froth zone is stable to reach the stable situation for the treatment of effect, by delivery pump
Flux of alkaline liquor and exhaust gas entrance gas flow chain control i.e. can be achieved, be not required to manual adjustment, it is simple to operate easy to control.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1-one-level spray column, 2-foam removal spray column, 3-dynamic wave scrubbing tower, 4-alkali liquor pipe, 5-dynamic wave
Shower nozzle, 6-exhaust gas entrance, 7-delivery pump.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
The present embodiment proposes a kind of viscose rayon emission-control equipment, including dynamic wave scrubbing tower 3 and foam removal spray column
2, the top of dynamic wave scrubbing tower 3 sets exhaust gas entrance 6, the air inlet of the bottom of dynamic wave scrubbing tower 3 connection foam removal spray column 2, power
Ripple scrubbing tower 3 connects alkali liquor pipe 4, and the exit of alkali liquor pipe 4 sets Dynawave nozzle 5.
In use, viscose rayon waste gas delivers to dynamic wave scrubbing tower 3 by off-gas buffer tank through blower fan, and by exhaust gas entrance 6
From top to bottom it is sent into tower, alkali lye is sprayed into air-flow by the Dynawave nozzle 5 in dynamic wave scrubbing tower 3 from bottom to top, and alkali lye is with giving up
The momentum of gas reaches balance, and so as to producing froth zone on the only way which must be passed of gas, the region is a strong turbulence region, alkali
Liquid surface area is big and updates rapidly, and the particle and sulfurous pollutants in waste gas are effectively reacted in this region with alkali lye
Afterwards, reacted waste gas and alkali lye deliver to foam removal spray column 2 by the bottom of dynamic wave scrubbing tower 3 again, continue the circulation of alkali lye
Spray, complete the processing of viscose rayon waste gas.
Embodiment 2：
The present embodiment proposes a kind of viscose rayon emission-control equipment, as shown in Fig. 1 structures, including one-level spray column 1,
Dynamic wave scrubbing tower 3 and foam removal spray column 2, dynamic wave scrubbing tower 3 are located between one-level spray column 1 and foam removal spray column 2, power
The top of ripple scrubbing tower 3 sets exhaust gas entrance 6, and exhaust gas entrance 6 connects the gas outlet of one-level spray column 1, and the bottom of dynamic wave scrubbing tower 3 connects
The air inlet of foam removal spray column 2 is connect, alkali liquor pipe 4 is set on dynamic wave scrubbing tower 3, the exit of alkali liquor pipe 4 sets Dynawave nozzle 5.
In use, viscose rayon waste gas delivers to one-level spray column 1 by off-gas buffer tank through blower fan, one-level spray column 1 uses
Existing alkali lye sprays tower structure, and bottom sets lye tank (vat), alkali is conveyed into the lye tank (vat) of one-level spray column 1 from sodium hydroxide storage tank
Liquid, by circulating pump, circulated sprinkling absorbs in one-level spray column 1.Waste gas after being handled by one-level spray column 1 is sprayed by one-level
Dynamic wave scrubbing tower 3 is delivered in the gas outlet at the top of leaching tower 1, and is from top to bottom sent into by exhaust gas entrance 6 in tower, dynamic wave scrubbing tower
Alkali lye is sprayed into air-flow by Dynawave nozzle 5 in 3 from bottom to top, and the momentum of alkali lye and waste gas reaches balance, so as in gas
Froth zone is produced on the only way which must be passed, the region is a strong turbulence region, and alkali lye surface area is big and updates rapidly, in waste gas
Particle and after sulfurous pollutants are effectively reacted in this region with alkali lye, reacted waste gas and alkali lye are again by power
Foam removal spray column 2 is delivered in the bottom of ripple scrubbing tower 3, continues the circulated sprinkling of alkali lye, completes the processing of viscose rayon waste gas, warp
The concentration energy stability contorting of hydrogen sulfide is in 0PPM in the waste gas that above-mentioned processing procedure is completed.
In the present embodiment, the alkali liquor pipe 4 in dynamic wave scrubbing tower 3 can be as shown in figure 1, two groups setting up and down（One group above
For working group, set below is standby group, and when one group of efficiency does not reach requirement above, two groups can use simultaneously）, two groups of alkali lye
The exit of pipe 4 sets multiple Dynawave nozzles 5, and two groups of Dynawave nozzles 5 can control respectively apart from the distance of exhaust gas entrance 6
1.2m and 1.5m, into 60 degree between two groups of Dynawave nozzles 5, with organizing between Dynawave nozzle 5 into 120 degree of angles）.Alkali liquor pipe 4
In alkali lye may be from the lye tank (vat) of one-level spray column 1 or foam removal spray column 2, such as shown in Fig. 1, alkali liquor pipe 4 is connected and removed
The lye tank (vat) of foam spray column 2, the lye tank (vat) of foam removal spray column 2 is delivered into dynamic wave scrubbing tower 3 using delivery pump 7.Practical operation
When, the control of the flow of delivery pump 7 200 sides/when, sprayed through Dynawave nozzle 5, in the dynamic wave scrubbing tower 3 with reverse waste gas
Form high 800-1000mm froth bed so that the alkali lye of waste gas and froth bed fully reacts, to make the froth zone is stable to reach
To the stabilization for the treatment of effect, the flux of alkaline liquor of delivery pump 7 realizes chain control with the gas flow of gas entrance, i.e., in delivery pump 7
On set flowmeter P1, flowmeter P2 is set at exhaust gas entrance 6, passes through P1 and P2 chain controls and realizes.
In the present embodiment, dynamic wave scrubbing tower 33 may be designed as air duct structure, such as structure shown in Fig. 1, diameter phi
1200mm or so, length L5000mm or so airduct, floor space is small, is not required to take up an area in addition, and the assembly dia is substantially and one-level
The same footpath of airduct of spray column 1, is directly installed on airduct.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (5)
- A kind of 1. viscose rayon emission-control equipment, it is characterised in that：Including the dynamic wave scrubbing tower being sequentially connected（3）And foam removal Spray column（2）, dynamic wave scrubbing tower（3）Top sets exhaust gas entrance（6）, dynamic wave scrubbing tower（3）Bottom connects foam removal spray column （2）Air inlet, the dynamic wave scrubbing tower（3）Connect alkali liquor pipe（4）, alkali liquor pipe（4）Exit set Dynawave nozzle （5）.
- A kind of 2. viscose rayon emission-control equipment according to claim 1, it is characterised in that：The Dynawave nozzle （5）Apart from exhaust gas entrance（6）Distance controlling in 1.2~1.5m.
- A kind of 3. viscose rayon emission-control equipment according to claim 1, it is characterised in that：Also include one-level spray column （1）, one-level spray column（1）Located at dynamic wave scrubbing tower（3）Front end, the dynamic wave scrubbing tower（3）Exhaust gas entrance（6）Connection One-level spray column（1）Gas outlet.
- A kind of 4. viscose rayon emission-control equipment according to claim 3, it is characterised in that：The one-level spray column （1）With foam removal spray column（2）Bottom is all provided with lye tank (vat), the alkali liquor pipe（4）Connect one-level spray column（1）Or foam removal spray column （2）Lye tank (vat).
- A kind of 5. viscose rayon emission-control equipment according to claim 4, it is characterised in that：The alkali liquor pipe（4）On If delivery pump（7）, delivery pump（7）Place sets flowmeter P1, exhaust gas entrance（6）Place sets flowmeter P2, the P1 and P2 chain controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930140.8U CN207169398U (en) | 2017-07-28 | 2017-07-28 | A kind of viscose rayon emission-control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930140.8U CN207169398U (en) | 2017-07-28 | 2017-07-28 | A kind of viscose rayon emission-control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207169398U true CN207169398U (en) | 2018-04-03 |
Family
ID=61744739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930140.8U Active CN207169398U (en) | 2017-07-28 | 2017-07-28 | A kind of viscose rayon emission-control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207169398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926997A (en) * | 2018-08-06 | 2018-12-04 | 浙江欧耐斯屋面瓦业有限公司 | Exhaust treatment system and its waste gas processing method for encaustic tile production line |
-
2017
- 2017-07-28 CN CN201720930140.8U patent/CN207169398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926997A (en) * | 2018-08-06 | 2018-12-04 | 浙江欧耐斯屋面瓦业有限公司 | Exhaust treatment system and its waste gas processing method for encaustic tile production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106139850B (en) | Energy-efficient gas-liquid coupling oxidation SOx/NOx control device | |
| CN204865480U (en) | High -efficient desulfurization, denitration, dust removal and water conservation integration process systems | |
| CN205700120U (en) | A kind of wet method sulphur removing and dust removing integrated apparatus | |
| CN104857838A (en) | System and method for flue gas desulfurization through bipolar membrane electrodialysis | |
| CN204193780U (en) | A kind of high-efficiency desulfurization absorption tower | |
| CN207169398U (en) | A kind of viscose rayon emission-control equipment | |
| CN203253340U (en) | Tail gas treating device for synthetic method chlorine dioxide preparation system | |
| CN206276212U (en) | Methene class water treatment agent and HPMA water treatment agent production exhaust gas processing device | |
| CN106345288B (en) | A kind of method and system using phosphate ore pulp processing sulfur-containing smoke gas | |
| CN204502786U (en) | A kind of novel ultra-clean desulfurizer | |
| CN201085987Y (en) | Two-way absorption tower | |
| CN202506310U (en) | Garbage-incinerated flue gas purification-combined deacidification system | |
| CN104998530A (en) | Sulfuric acid tail gas desulphurization device and method | |
| CN212283569U (en) | A desulfurization liquid desorption cooling tower | |
| CN203507778U (en) | Efficient reverse spray washer capable of being used for gathering phosphoric acid mist or absorbing fluorine from flue gas | |
| CN207324501U (en) | A kind of desulphurization denitration purifying and dedusting device of flue gas | |
| CN102743970A (en) | Processing method and processing device of production waste gas containing hydrogen sulfide | |
| CN106076091A (en) | A kind of head-on collision injection gravity sedimentation type desulfurizer and method | |
| CN206121505U (en) | Flue gas desulphurization device of zinc smelting power plant for self -supply | |
| CN205182475U (en) | Spray ammonia absorber | |
| CN213853813U (en) | Ammonia-containing tail gas absorption tower and supporting energy recovery system | |
| CN101837240A (en) | Desulfurization system | |
| CN101837238B (en) | Desulfurization absorbing tower | |
| CN205832936U (en) | A kind of head-on collision injection gravity sedimentation type desulfurizer | |
| CN207755980U (en) | Hydrogen sulfide absorption tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240801 Address after: 644002 space Road, Nan'an economic and Technological Development Zone, Yibin, Sichuan Patentee after: YIBIN GRACE GROUP Co.,Ltd. Country or region after: China Address before: No. 270 Tuanjie South Road, Qingbaijiang District, Chengdu, Sichuan 610300 Patentee before: CHENGDU GRACE FIBRE Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |