CN201643967U - Industrial waste gas treatment and recycling device - Google Patents
Industrial waste gas treatment and recycling device Download PDFInfo
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- CN201643967U CN201643967U CN2010201370395U CN201020137039U CN201643967U CN 201643967 U CN201643967 U CN 201643967U CN 2010201370395 U CN2010201370395 U CN 2010201370395U CN 201020137039 U CN201020137039 U CN 201020137039U CN 201643967 U CN201643967 U CN 201643967U
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Abstract
The utility model relates to a recycling device, in particular to an industrial waste gas treatment and recycling device, which employs high-density H2S generated in viscose glue chemical fiber production to remove NaHS produced by the H2S. The industrial waste gas treatment and recycling device comprises an alkali spraying system, an alkali distributing system and a hot water circulating system; the alkali spraying system communicated with the alkali distributing system includes an acid mist removing tank, a fan, a demister and one or more than one alkali spray towers; the alkali distributing system includes an alkali storage tank and an alkali distributing tank; the alkali storage tank is communicated with the alkali spray towers; the alkali distributing tank is connected with a soft water inlet pipe and an alkali inlet pipe; the alkali distributing tank is communicated with the alkali spray towers through alkali conveying pipes; an alkali supply pump is arranged on each alkali conveying pipe; the hot water circulating system includes a hot water tank; a steam pipe and a filtering water pipe are connected with the hot water tank; and the hot water circulating system is communicated with the alkali spraying system and the alkali distributing system in a circulating manner. The industrial waste gas treatment and recycling device has the advantages of high safety, thorough treatment and strong cyclicity.
Description
Technical field
The utility model is a kind of retracting device, particularly a kind ofly contains high concentration H by what produce in the viscose fiber production
2S removes H
2S produces the industrial waste gas of NaHS and handles retracting device.
Background technology
Large-scale industrial production in the prior art can be supervened a large amount of poisonous and harmful industrial waste gases usually.With viscose rayon production is example: the viscose fiber production process is that cellulose xanthate (claiming viscose glue again) (contains H with acid bath
2SO
4, Na
2SO
4And ZnSO
4) reaction, restore cellulose (claiming viscose rayon or regenerated celulose fibre again) and CS
2, produce a large amount of H simultaneously
2S.Contain CS
2And H
2The waste gas of S is not handled directly discharging if do not add, and can produce huge pollution to production environment and atmospheric environment.
The commitment that China produces at viscose fiber, the waste gas that produces according to the nearly all production of country's " odorant pollutant discharge standard " all is directly to discharge (the high H of 120m by the high toxin expelling tower of 120m
2The S discharge capacity allows 21kg/h) because H
2S proportion is heavier than air, and is discharged to the H of sky
2S can be combined into acid rain with steam and descend slowly and lightly to ground, causes very big pollution to atmospheric environment.In recent years, because national raising to environmental protection requirement, country's " odor pollution discharge standard " can not adapt to modern society to environment requirement.Along with development of technology, mainly produced the processing method of two kinds of viscose glue process gas at present: a kind of is firing method, and the advantage of this method is single treatment H
2S is thorough, but the SO that burning produces
2Can not directly discharge equally, need further to handle, as system sulfuric acid or system sodium sulfite.Therefore the firing method investment is big, also needs subsequent treatment, deficiency in economic performance; Another kind method is exactly an alkali spray neutralisation, with NaOH and H
2The S reaction makes the H in the gas
2S removes clean, if the viscose glue process gas then mainly only contains CS in the gas
2Being convenient to down, operation reclaims CS
2, if other production contains H
2The waste gas of S, gas can directly discharge after neutralizing.
Chinese patent 200810089647.0 discloses a kind of the present invention and is viscose fiber process gas processing method, relates to the waste gas processing method field.Have two kinds in the method for handling the viscose fiber process gas at present: a kind of is firing method, and a kind of is absorption method.The advantage that firing method is handled is more thorough, and shortcoming is that investment is big, deficiency in economic performance; The absorption method investment is less relatively, and economic benefit is obvious, has not only solved environmental issue but also bring objective economic benefit to enterprise.The present invention adopts the waste gas that produces in the production line through NaOH or Na
2The way of S washing, cooling, charcoal absorption, desorption, condensation is removed the H in the waste gas
2S reclaims CS
2Continue to use for producing.The Na that produces in the processing method of indication of the present invention
2S is crystallization very easily, is not easy to produce carry out continuously.Na
2S solution is in line to cause secondary pollution equally.Processing method is not that employing is circulating simultaneously, and energy waste is big, and environment is affected.
Summary of the invention
Utility model mainly is to solve the deficiencies in the prior art, and a kind of industrial waste gas cycle of treatment retracting device that has hot water cyclesystem is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of industrial waste gas is handled retracting device, comprise spray alkali system, join alkali system and hot water cyclesystem, described spray alkali system and join the alkali system and be connected, described spray alkali system comprises and removes acid mist groove, blower fan, demister and one and more than one alkali spray column, the described acid mist groove that removes is connected with blower fan, blower fan is connected with the alkali spray column, and an end of alkali spray column is connected with demister; The described alkali system of joining comprises the alkali storage tank and joins the alkali groove, described alkali storage tank is connected with the alkali spray column, the described alkali groove of joining is connected with the alkali inlet pipe with the soft water inlet pipe, and the described alkali groove of joining is connected with the alkali spray column by sending the alkali pipe, and the described alkali pipe that send is provided with for alkali pump; Described hot water cyclesystem comprises hot water storgae, and what be connected with hot water storgae is steam pipe and filters water pipe, described hot water cyclesystem and spray alkali system with join the connection that circulates mutually of alkali system.
The present utility model is to contain H at existing such as height in the production processes such as viscose fiber production process and rhodanate
2S waste gas, provide a kind of safe, handle thoroughly, the recyclable utilization of byproduct, exhaust-gas treatment retracting device with low cost.At first, the gas conveying fan in this treating apparatus, will be under spinning board, acid bath kerve, acid bath deaerating tank and the medial launder semitight contain high concentration H
2The waste gas of S is guided to three alkali spray columns of this device, three alkali spray columns form one group of three grades of alkali spray column, three grades of alkali spray columns are respectively one-level alkali spray column, secondary alkali spray column and three grades of alkali spray columns, before gas enters blower fan, earlier through removing the acid mist groove with part steam and H
2SO
4Acid mist is removed.Gas enters one-level alkali spray column, secondary alkali spray column and three grades of alkali spray columns successively by blower fan.At first enter third level alkali spray column by joining the deployed certain density alkali lye of alkali groove by carrying for alkali pump, three grades of alkali circulating pumps are by the nozzle circulated sprinkling, to the alkali lye of circulated sprinkling a period of time importing second level spray column in third level alkali spray column by the bypass pipe of three grades of alkali circulating-pump outlets behind the certain hour,, squeeze into third level alkali spray column by the alkali lye of joining the alkali system, will newly join again simultaneously and continue circulated sprinkling by nozzle by the nozzle circulated sprinkling by secondary alkali circulating pump by three grades of alkali circulating pumps.Behind the certain hour, will carry out circulated sprinkling by one-level alkali circulating pump by nozzle through the alkali lye importing first order alkali spray column of second level circulated sprinkling a period of time by secondary alkali circulating-pump outlet bypass pipe again.After a period of time, measure after the concentration of NaHS reaches 22% or more in the alkali lye in the first order alkali spray column, the bypass pipe by one-level alkali circulating-pump outlet is with this alkali lye importing NaHS storage tank.
Hot water heating circulation system in the device is exactly by being arranged in three grades of alkali spray columns, joining the water heater funnel in alkali groove and the NaHS storage tank, guarantees the temperature of the solution in the device, guarantees non-crystallizable, not plugging road and equipment, and production is carried out continuously.
The core of the present utility model device is to have designed three grades of alkali spray columns, from one-level to three grade H
2S concentration reduces gradually, and from three grades to one-level, NaOH concentration reduces gradually, in third level alkali spray column, because a large amount of H
2S has been neutralized in first and second grade alkali spray column and has reacted away small amount of H
2S is almost newly supplied to join the alkali complete reaction in three grades of alkali spray columns clean.At this moment in the solution because base excess, reaction all generates Na
2S, promptly
And in first order alkali spray column, because circulated sprinkling alkali lye is from the 3rd, in the secondary alkali spray column, the NaOH in the alkali lye is most of by H
2The S neutralization reaction falls to have generated a large amount of Na
2S, and should low contain NaOH, height contains Na
2The solution of S during circulated sprinkling, runs into the height of just having been sent into by blower fan and contains H in first order alkali spray column
2The gas of S is at H
2Following chemical reaction takes place in alkali lye under the excessive situation of S:
This design of device had both guaranteed high concentration and the Na of NaHS in the solution
2The low concentration of S has guaranteed H in this device waste gas again
2S safety is removed.
The utility model device utilizes the DCS control system, and is chain with spinning-drawing machine and each acid bath storage tank exhaust, guarantees the negative pressure value of spinning board and each acid bath groove by blower fan outlet automatic regulating valve.Spinning-drawing machine and each acid bath storage tank are closed to the drain tap of this device automatically and switch in line blower fan and go the discharging of toxin expelling tower when this device goes wrong; when spinning-drawing machine goes wrong shutdown; its exhaust valve automatically switches in line the time; this device blower fan outlet valve also cuts out with the import negative pressure variation, the blowing-out machine.
As preferably, be provided with three alkali spray columns in the described spray alkali system, be provided with alkali shower and alkali circulation pipe in the alkali spray column, the alkali shower is connected with the alkali spray column, described alkali circulation pipe is located on the alkali shower, is communicated with three alkali spray columns and alkali storage tank by the alkali circulation pipe; Described with join the alkali inlet pipe that the alkali groove is connected in be provided with into the alkali internally piloted valve and advance the alkali flowmeter, be provided with soft water valve and soft water flowmeter in the described soft water inlet pipe, a described end of joining the alkali groove is provided with joins the alkali liquid level gauge, joins the alkali liquid level gauge and advances the control that is complementary of alkali internally piloted valve and soft water valve; Be provided with steam internally piloted valve and steam-flow meter in described and the steam pipe that hot water storgae is connected, filter in the water pipe and be provided with drainage valve and drainage flowmeter, be respectively equipped with heat indicator and liquid level gauge on the sidewall of described hot water storgae, the control that is complementary of heat indicator and steam internally piloted valve, liquid level gauge and the drainage valve control that is complementary.
As preferably, be provided with alkali turnover panel liquid level gauge in the described alkali spray column, be provided with the alkali circulating pump in the described alkali shower, described blower fan is provided with control valve with the alkali spray column place of being connected, and it is described that what be connected with control valve is flow gauge (FG).
As preferably, described three alkali spray columns are arranged in order, and described demister is connected with the alkali spray column that is located at the end.
As preferably, described hot water cyclesystem and three alkali spray columns, join the connection that circulates mutually of alkali groove and alkali storage tank.
Therefore, a kind of industrial waste gas that the utility model provides is handled retracting device, safe, handle thoroughly, cyclicity is strong.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as shown in Figure 1, a kind of industrial waste gas is handled retracting device, comprise spray alkali system, join alkali system and hot water cyclesystem, described spray alkali system and join the alkali system and be connected, described spray alkali system comprises and removes acid mist groove 1, blower fan 2, demister 3 and one and more than one alkali spray column 4, the described acid mist groove 1 that removes is connected with blower fan 2, blower fan 2 is connected with alkali spray column 4, one end of alkali spray column 4 is connected with demister 3, be provided with three alkali spray columns 4 in the spray alkali system, be provided with alkali shower 14 and alkali circulation pipe 15 in the alkali spray column 4, alkali shower 14 is connected with alkali spray column 4, described alkali circulation pipe 15 is located on the alkali shower 14, be communicated with three alkali spray columns 4 and alkali storage tank 5 by alkali circulation pipe 15, be provided with alkali turnover panel liquid level gauge 27 in the alkali spray column 4, be provided with alkali circulating pump 28 in the described alkali shower 14, described blower fan 2 is provided with control valve 29 with alkali spray column 4 places of being connected, it is described that what be connected with control valve 29 is flow gauge (FG) 30, three alkali spray columns 4 are arranged in order, and described demister 3 is connected with the alkali spray column 4 that is located at the end; The described alkali system of joining comprises alkali storage tank 5 and joins alkali groove 6, described alkali storage tank 5 is connected with alkali spray column 4, the described alkali groove 6 of joining is connected with alkali inlet pipe 8 with soft water inlet pipe 7, the described alkali groove 6 of joining is connected with alkali spray column 4 by sending alkali pipe 9, the described alkali pipe 9 that send is provided with for alkali pump 10, with join the alkali inlet pipe 8 that alkali groove 6 is connected in be provided with into alkali internally piloted valve 16 and advance alkali flowmeter 17, be provided with soft water valve 18 and soft water flowmeter 19 in the described soft water inlet pipe 7, a described end of joining alkali groove 6 is provided with joins alkali liquid level gauge 20, joins alkali liquid level gauge 20 and advances the control that is complementary of alkali internally piloted valve 16 and soft water valve 18; Described hot water cyclesystem comprises hot water storgae 11, what be connected with hot water storgae 11 is steam pipe 12 and filtration water pipe 13, with be provided with steam internally piloted valve 21 and steam-flow meter 22 in the steam pipe 12 that hot water storgae 11 is connected, filter in the water pipe 13 and be provided with drainage valve 23 and drainage flowmeter 24, be respectively equipped with heat indicator 25 and liquid level gauge 26 on the sidewall of described hot water storgae 11, the control that is complementary of heat indicator 25 and steam internally piloted valve 21, the control that is complementary of liquid level gauge 26 and drainage valve 23, described hot water cyclesystem and three alkali spray columns 4, join the connection that circulates mutually of alkali groove 6 and alkali storage tank 5.
Claims (5)
1. an industrial waste gas is handled retracting device, it is characterized in that: comprise spray alkali system, join alkali system and hot water cyclesystem, described spray alkali system and join the alkali system and be connected, described spray alkali system comprises and removes acid mist groove (1), blower fan (2), demister (3) and one and more than one alkali spray column (4), the described acid mist groove (1) that removes is connected with blower fan (2), blower fan (2) is connected with alkali spray column (4), and an end of alkali spray column (4) is connected with demister (3); The described alkali system of joining comprises alkali storage tank (5) and joins alkali groove (6), described alkali storage tank (5) is connected with alkali spray column (4), the described alkali groove (6) of joining is connected with alkali inlet pipe (8) with soft water inlet pipe (7), the described alkali groove (6) of joining is connected with alkali spray column (4) by sending alkali pipe (9), and the described alkali pipe (9) that send is provided with for alkali pump (10); Described hot water cyclesystem comprises hot water storgae (11), and what be connected with hot water storgae (11) is steam pipe (12) and filters water pipe (13), described hot water cyclesystem and spray alkali system with join the connection that circulates mutually of alkali system.
2. a kind of industrial waste gas according to claim 1 is handled retracting device, it is characterized in that: be provided with three alkali spray columns (4) in the described spray alkali system, be provided with alkali shower (14) and alkali circulation pipe (15) in the alkali spray column (4), alkali shower (14) is connected with alkali spray column (4), described alkali circulation pipe (15) is located on the alkali shower (14), is communicated with three alkali spray columns (4) and alkali storage tank (5) by alkali circulation pipe (15); Described with join the alkali inlet pipe (8) that alkali groove (6) is connected in be provided with into alkali internally piloted valve (16) and advance alkali flowmeter (17), be provided with soft water valve (18) and soft water flowmeter (19) in the described soft water inlet pipe (7), a described end of joining alkali groove (6) is provided with joins alkali liquid level gauge (20), joins alkali liquid level gauge (2) and advances the control that is complementary of alkali internally piloted valve (16) and soft water valve (18); Be provided with steam internally piloted valve (21) and steam-flow meter (22) in described and the steam pipe (12) that hot water storgae (11) is connected, filter in the water pipe (13) and be provided with drainage valve (23) and drainage flowmeter (24), be respectively equipped with heat indicator (25) and liquid level gauge (26) on the sidewall of described hot water storgae (11), the control that is complementary of heat indicator (25) and steam internally piloted valve (21), liquid level gauge (26) and drainage valve (23) control that is complementary.
3. handle retracting device according to claim 1 or 2 described a kind of industrial waste gases, it is characterized in that: be provided with alkali turnover panel liquid level gauge (27) in the described alkali spray column (4), be provided with alkali circulating pump (28) in the described alkali shower (14), described blower fan (20) is provided with control valve (29) with alkali spray column (4) place of being connected, and described what be connected with control valve (29) is flow gauge (FG) (30).
4. a kind of industrial waste gas according to claim 1 and 2 is handled retracting device, and it is characterized in that: described three alkali spray columns (4) are arranged in order, and described demister (3) is connected with the alkali spray column (4) that is located at the end.
5. a kind of industrial waste gas according to claim 1 and 2 is handled retracting device, it is characterized in that: described hot water cyclesystem and three alkali spray columns (4), join the connection that circulates mutually of alkali groove (6) and alkali storage tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201370395U CN201643967U (en) | 2010-03-22 | 2010-03-22 | Industrial waste gas treatment and recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201370395U CN201643967U (en) | 2010-03-22 | 2010-03-22 | Industrial waste gas treatment and recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201643967U true CN201643967U (en) | 2010-11-24 |
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ID=43109163
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|---|---|---|---|
| CN2010201370395U Expired - Fee Related CN201643967U (en) | 2010-03-22 | 2010-03-22 | Industrial waste gas treatment and recycling device |
Country Status (1)
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|---|---|
| CN (1) | CN201643967U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408100A (en) * | 2011-08-02 | 2012-04-11 | 山东雅美科技有限公司 | Sodium sulfhydrate product with concentration of 22% and low content of carnallite produced from viscose fiber waste gas |
| CN103638802A (en) * | 2013-12-17 | 2014-03-19 | 中建安装工程有限公司 | Device and method for processing acid gas of refinery plant |
| CN103977685A (en) * | 2014-05-15 | 2014-08-13 | 鞍山创新废酸除硅再生工程有限公司 | Acid-regeneration acid tail gas purification system by using spray roasting method and tail gas purification process |
| CN104028094A (en) * | 2014-06-10 | 2014-09-10 | 江苏申江环境科技有限公司 | Viscose fiber production waste gas recovery system |
| CN104971601A (en) * | 2014-04-10 | 2015-10-14 | 中国石油化工股份有限公司 | Acid gas vertical reactor and processing method |
| CN108057331A (en) * | 2017-12-20 | 2018-05-22 | 上海远跃制药机械有限公司 | A kind of skid-mounted system for being used to handle hydrogen sulfide |
| CN110975570A (en) * | 2019-12-02 | 2020-04-10 | 重庆聚狮新材料科技有限公司 | Treatment method and system for synthetic waste gas in polyphenylene sulfide production |
| CN114345086A (en) * | 2022-01-25 | 2022-04-15 | 南京科达新控仪表有限公司 | Industrial kiln gas purification system and purification method |
-
2010
- 2010-03-22 CN CN2010201370395U patent/CN201643967U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408100A (en) * | 2011-08-02 | 2012-04-11 | 山东雅美科技有限公司 | Sodium sulfhydrate product with concentration of 22% and low content of carnallite produced from viscose fiber waste gas |
| CN102408100B (en) * | 2011-08-02 | 2014-08-20 | 山东雅美科技有限公司 | Sodium sulfhydrate product with concentration of 22% and low content of carnallite produced from viscose fiber waste gas |
| CN103638802A (en) * | 2013-12-17 | 2014-03-19 | 中建安装工程有限公司 | Device and method for processing acid gas of refinery plant |
| CN104971601A (en) * | 2014-04-10 | 2015-10-14 | 中国石油化工股份有限公司 | Acid gas vertical reactor and processing method |
| CN103977685A (en) * | 2014-05-15 | 2014-08-13 | 鞍山创新废酸除硅再生工程有限公司 | Acid-regeneration acid tail gas purification system by using spray roasting method and tail gas purification process |
| CN103977685B (en) * | 2014-05-15 | 2015-12-09 | 鞍山创新废酸除硅再生工程有限公司 | A kind of spray roasting acid regeneration is containing sour exhaust gas purification system and tail gas clean-up technique |
| CN104028094A (en) * | 2014-06-10 | 2014-09-10 | 江苏申江环境科技有限公司 | Viscose fiber production waste gas recovery system |
| CN108057331A (en) * | 2017-12-20 | 2018-05-22 | 上海远跃制药机械有限公司 | A kind of skid-mounted system for being used to handle hydrogen sulfide |
| CN110975570A (en) * | 2019-12-02 | 2020-04-10 | 重庆聚狮新材料科技有限公司 | Treatment method and system for synthetic waste gas in polyphenylene sulfide production |
| CN114345086A (en) * | 2022-01-25 | 2022-04-15 | 南京科达新控仪表有限公司 | Industrial kiln gas purification system and purification method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU XIANGSHENG ADHESIVE FIBER CO., LTD. Free format text: FORMER OWNER: JIANGSU LANZHIDA ENVIRONMENT TECHNOLOGY CO., LTD. Effective date: 20150228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 223955 SUQIAN, JIANGSU PROVINCE TO: 223800 SUQIAN, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150228 Address after: 223800 Suqian province Jiangsu city Suyu district ecological Chemical Technology Industrial Park South Road No. 188 Patentee after: Jiangsu Xiangsheng Adhesive Fiber Co.,Ltd. Address before: 223955 North Zone Administration building, Hubin New Town Development Zone, Jiangsu, Suqian Patentee before: Jiangsu Lanzhida Environment Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20160322 |