CN110743346A - Treatment method for waste gas generated in kitchen waste treatment - Google Patents
Treatment method for waste gas generated in kitchen waste treatment Download PDFInfo
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- CN110743346A CN110743346A CN201911015261.XA CN201911015261A CN110743346A CN 110743346 A CN110743346 A CN 110743346A CN 201911015261 A CN201911015261 A CN 201911015261A CN 110743346 A CN110743346 A CN 110743346A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to a method for treating waste gas generated in kitchen waste treatment, which comprises the following steps: the system comprises a waste gas collecting device, a supercharging device, an alkali washing device, a water washing device, a biological adsorption device and a waste gas detection device; the waste gas is collected by the pipeline and the collecting cover, then the waste gas is pressurized by the pressurizing equipment to ensure the pressure drop in the conveying and processing processes, the odor sources such as ammonia and hydrogen sulfide in the waste gas are processed by the alkaline tower, and the particle impurities in the waste gas are reduced by the water washing tower. And the odor humidity is adjusted, and the waste gas is further treated by biological adsorption and degradation. Utilize the detection means to guarantee the emission up to standard of waste gas, the practicality is strong, and can guarantee exhaust emission's reliability to realize the concentrated collection of waste gas, centralized processing guarantees the emission up to standard, reduces the destruction to the environment.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a treatment method for waste gas generated in kitchen waste treatment.
Background
The kitchen waste treatment technology aims at solid waste reduction, resource utilization and harmlessness, and the solid waste treatment and disposal technology is also under diversified development. The prior art generally selects separately the kitchen garbage, and the high temperature damp and hot hydrolysis is handled to and utilize centrifuge to carry out techniques such as oil, water, solid three-phase separation and handle kitchen garbage, can produce a large amount of waste gases in this processing procedure again, also has the hidden danger that pollutes the citizen to the workshop production causes certain interference simultaneously to the surrounding environment. Therefore, a method for treating waste gas generated during kitchen waste treatment is needed, wherein the waste gas is treated and the standard emission is guaranteed.
Disclosure of Invention
The invention aims to provide a method for treating waste gas generated in kitchen waste treatment, which is used for treating the waste gas and ensuring the standard discharge.
In order to realize the technical purpose, the technical scheme of the invention is as follows: a treatment method for waste gas generated in kitchen waste treatment is characterized by comprising the following steps:
s1, collecting the waste gas through a waste gas collecting device;
s2, pressurizing the alkali washing liquid by a pressurizing device, and then transmitting the alkali washing liquid into an alkali washing device;
s3, fully contacting and mixing the ammonia and hydrogen sulfide gas components which are contained in the waste gas and easily generate foul smell with the alkali liquor water mist through an alkali washing device, fully neutralizing and absorbing to form better gas-liquid two-phase intersection sum, and conveying the waste gas to a water washing device;
s4, further treating solid particle impurities and other substances in the waste gas through a water washing device, adjusting the temperature and humidity of the odor, and then transferring the odor into a biological adsorption device;
s5, removing impurity odor source in the waste gas through a biological adsorption device under the adsorption filtration and biodegradation of the special adsorption material;
and S6, carrying out detection real-time data feedback on the filtered exhaust gas.
The waste gas treatment device has the advantages that waste gas is collected by using the pipeline and the collection cover, then the waste gas is pressurized by the pressurization equipment to ensure the pressure drop in the conveying and treatment processes, main ammonia and other odor sources in the waste gas are treated by the alkaline washing tower, particle impurities and the like in the waste gas are reduced by the water washing tower, the waste gas is further treated by biological adsorption, the waste gas is ensured to be discharged up to the standard by using a detection means, the practicability is high, the reliability of waste gas discharge can be ensured, the concentrated collection and the concentrated treatment of the waste gas are realized, the up to the standard discharge is ensured, and the damage to the environment is reduced.
Further, the step S3 includes the following steps:
a1, preparing high-concentration alkali liquor by using tap water and alkali in the process of neutralizing and cleaning the waste gas by using an alkali cleaning device, and conveying the high-concentration alkali liquor into the alkali cleaning device through a flow pipeline;
a2 alkaline washing device after the washing is finished, the waste water generated by the washing is discharged through a waste water pipeline at the lower end of the alkaline washing device.
Further, the step S4 includes the following steps:
b1, in the process of washing by the washing device, the external tap water is supplemented with water by the alkali liquor preparation device and the washing device through the circulating pipeline;
and B2, after the cleaning water in the water washing device is subjected to layered treatment, the wastewater is discharged through a wastewater pipeline, and the available water is transmitted to a spray head in the water washing device through a transmission pipeline for spraying.
Further, the step S5 includes the following steps:
c1, in the process of adsorption filtration and biodegradation of the biological adsorption device, continuously transferring external tap water into the biological water adsorption device through a flow pipeline for humidification and regulation;
c2 waste water generated in the treatment process is synchronously discharged through a waste water pipeline.
Further, the step a1 includes the following steps:
d1, delivering the tap water into the tap water purification device through a flow pipeline;
d2, purifying the odor by a tap water purification device, purifying and discharging impurities in the odor, and then transferring the odor to an alkali washing device for use through a flow pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a system diagram of a treatment method for waste gas generated in kitchen waste treatment according to the invention.
The corresponding part names indicated by the numbers in the figures:
1. an exhaust gas collection device; 2. a pressure boosting device; 3. an alkaline washing device; 4. a water washing device; 5. a biological adsorption device; 6. an exhaust gas detection device; 7. a waste water conduit; 8. a tap water purification device; 9. running water circulates the pipeline.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
the invention aims to provide a method for treating waste gas generated in kitchen waste treatment, which is used for treating the waste gas and ensuring the standard discharge.
In order to realize the technical purpose, the technical scheme of the invention is as follows: a treatment method for waste gas generated in kitchen waste treatment is characterized by comprising the following steps:
s1, collecting the waste gas through the waste gas collecting device 1;
s2, pressurizing the alkali washing liquid by the pressurizing device 2, and then conveying the alkali washing liquid into the alkali washing device 3;
s3, fully contacting and mixing the ammonia and hydrogen sulfide gas components which are contained in the waste gas and easily generate foul smell with the alkali liquor water mist through the alkali washing device 3, fully neutralizing and absorbing to form better gas-liquid two-phase intersection sum, and conveying the waste gas to the water washing device 4;
s4, further treating solid particle impurities and other substances in the waste gas through the water washing device 4, adjusting the temperature and humidity of the odor, and then transferring the odor into the biological adsorption device 5;
s5, treating impurity odor source in the waste gas through the biological adsorption device 5 under the adsorption filtration and biodegradation of the special adsorption material;
and S6, carrying out detection real-time data feedback on the filtered exhaust gas.
The waste gas treatment device has the advantages that waste gas is collected by using the pipeline and the collection cover, then the waste gas is pressurized by the pressurization equipment to ensure the pressure drop in the conveying and treatment processes, main ammonia and other odor sources in the waste gas are treated by the alkaline washing tower, particle impurities and the like in the waste gas are reduced by the water washing tower, the waste gas is further treated by biological adsorption, the waste gas is ensured to be discharged up to the standard by using a detection means, the practicability is high, the reliability of waste gas discharge can be ensured, the concentrated collection and the concentrated treatment of the waste gas are realized, the up to the standard discharge is ensured, and the damage to the environment is reduced.
Further, the step S3 includes the following steps:
a1, preparing high-concentration alkali liquor by using tap water and alkali in the process of neutralizing and cleaning the waste gas by the alkali cleaning device 3, and conveying the high-concentration alkali liquor into the alkali cleaning device 3 through a flow pipeline;
a2 washing of the alkaline washing device 3, after the washing is completed, the waste water generated by the washing is discharged through a waste water pipe at the lower end of the alkaline washing device 3.
Further, the step S4 includes the following steps:
b1, in the process of washing by the washing device 4, the external tap water is supplemented with water by the alkali liquor preparation device and the washing device through the circulating pipeline;
b2, after the washing water in the washing device is layered, the waste water is discharged through a waste water pipeline 7, and the available water is transmitted to a spray head in the washing device 4 through a transmission pipeline for spraying.
Further, the step S5 includes the following steps:
c1, in the process of adsorption filtration and biodegradation of the biological adsorption device 5, continuously transferring external tap water into the biological adsorption device 5 through a flow pipeline for humidification regulation;
c2 waste water generated in the treatment process is synchronously discharged through a waste water pipeline.
Further, the step a1 includes the following steps:
d1, the tap water is transmitted into the tap water purification device 8 through a flow pipeline;
d2, purifying the odor by a tap water purification device 8, purifying and discharging impurities in the odor, and then transferring the odor to an alkali washing device for use through a flow pipeline.
In actual operation, firstly, the waste gas in a workshop is collected in a centralized manner for subsequent treatment, then the collected waste gas is increased to a certain pressure through the supercharging device 2 so as to be convenient for conveying and subsequent treatment, the waste gas is transmitted into the alkaline washing device 3, gas components which contain ammonia and are easy to generate foul smell in the waste gas are fully contacted, mixed and fully neutralized with dilute sulfuric acid water mist to form better gas-liquid intersection, the treated waste gas is transmitted into the water washing device 4 after being treated by the alkaline washing device, substances such as solid particle impurities and the like in the waste gas are further treated and finally transmitted into the biological adsorption device 5, impurities and odor sources in the waste gas are further treated by adsorption and filtration processes through special materials, and the treated waste gas is subjected to detection and real-time data feedback in the discharge process.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A treatment method for waste gas generated in kitchen waste treatment is characterized by comprising the following steps:
s1, collecting the waste gas through a waste gas collecting device;
s2, pressurizing the alkali washing liquid by a pressurizing device, and then transmitting the alkali washing liquid into an alkali washing device;
s3, fully contacting and mixing the ammonia and hydrogen sulfide gas components which are contained in the waste gas and easily generate foul smell with the alkali liquor water mist through an alkali washing device, fully neutralizing and absorbing to form better gas-liquid two-phase intersection sum, and conveying the waste gas to a water washing device;
s4, further treating solid particle impurities and other substances in the waste gas through a water washing device, adjusting the temperature and humidity of the odor, and then transferring the odor into a biological adsorption device;
s5, removing impurity odor source in the waste gas through a biological adsorption device under the adsorption filtration and biodegradation of the special adsorption material;
and S6, carrying out detection real-time data feedback on the filtered exhaust gas.
2. The method for treating the waste gas generated in the kitchen waste treatment according to claim 1, wherein said step S3 includes the steps of:
a1, preparing high-concentration alkali liquor by using tap water and alkali in the process of neutralizing and cleaning the waste gas by using an alkali cleaning device, and conveying the high-concentration alkali liquor into the alkali cleaning device through a flow pipeline;
a2 alkaline washing device after the washing is finished, the waste water generated by the washing is discharged through a waste water pipeline at the lower end of the alkaline washing device.
3. The method for treating the waste gas generated in the kitchen waste treatment according to claim 1, wherein said step S4 includes the steps of:
b1, in the process of washing by the washing device, the external tap water is supplemented with water by the alkali liquor preparation device and the washing device through the circulating pipeline;
and B2, after the cleaning water in the water washing device is subjected to layered treatment, the wastewater is discharged through a wastewater pipeline, and the available water is transmitted to a spray head in the water washing device through a transmission pipeline for spraying.
4. The method for treating the waste gas generated in the kitchen waste treatment according to claim 1, wherein said step S5 includes the steps of:
c1, in the process of adsorption filtration and biodegradation of the biological adsorption device, continuously transferring external tap water into the biological water adsorption device through a flow pipeline for humidification and regulation;
c2 waste water generated in the treatment process is synchronously discharged through a waste water pipeline.
5. The method for treating the waste gas generated in the kitchen waste treatment according to claim 2, wherein said step A1 includes the following steps:
d1, delivering the tap water into the tap water purification device through a flow pipeline;
d2, purifying the odor by a tap water purification device, purifying and discharging impurities in the odor, and then transferring the odor to an alkali washing device for use through a flow pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911015261.XA CN110743346A (en) | 2019-10-24 | 2019-10-24 | Treatment method for waste gas generated in kitchen waste treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911015261.XA CN110743346A (en) | 2019-10-24 | 2019-10-24 | Treatment method for waste gas generated in kitchen waste treatment |
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| CN110743346A true CN110743346A (en) | 2020-02-04 |
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| CN201911015261.XA Pending CN110743346A (en) | 2019-10-24 | 2019-10-24 | Treatment method for waste gas generated in kitchen waste treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037605A (en) * | 2023-04-03 | 2023-05-02 | 中城院(北京)环境科技股份有限公司 | Kitchen waste treatment method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0857509A1 (en) * | 1997-01-08 | 1998-08-12 | Colt Engineering Corporation | Process for scrubbing ammonia and hydrogen sulfide from a fluid acid stream |
| CN203764105U (en) * | 2014-01-02 | 2014-08-13 | 湖南联合餐厨垃圾处理有限公司 | Kitchen garbage stench treatment system |
| CN104801164A (en) * | 2015-05-13 | 2015-07-29 | 西安晨宇环境工程有限公司 | Deodorization equipment for kitchen garbage treatment and method thereof |
| CN107970760A (en) * | 2017-12-30 | 2018-05-01 | 杭州楚天科技有限公司 | A kind of papermaking wastewater station waste gas treatment process |
| CN207641265U (en) * | 2017-12-08 | 2018-07-24 | 浙江旺能生态科技有限公司 | A kind of deodoration system of kitchen pretreatment workshop |
| CN207838678U (en) * | 2017-12-30 | 2018-09-11 | 杭州楚天科技有限公司 | A kind of combination deodoration system of paper industry sewage plant |
-
2019
- 2019-10-24 CN CN201911015261.XA patent/CN110743346A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0857509A1 (en) * | 1997-01-08 | 1998-08-12 | Colt Engineering Corporation | Process for scrubbing ammonia and hydrogen sulfide from a fluid acid stream |
| CN203764105U (en) * | 2014-01-02 | 2014-08-13 | 湖南联合餐厨垃圾处理有限公司 | Kitchen garbage stench treatment system |
| CN104801164A (en) * | 2015-05-13 | 2015-07-29 | 西安晨宇环境工程有限公司 | Deodorization equipment for kitchen garbage treatment and method thereof |
| CN207641265U (en) * | 2017-12-08 | 2018-07-24 | 浙江旺能生态科技有限公司 | A kind of deodoration system of kitchen pretreatment workshop |
| CN107970760A (en) * | 2017-12-30 | 2018-05-01 | 杭州楚天科技有限公司 | A kind of papermaking wastewater station waste gas treatment process |
| CN207838678U (en) * | 2017-12-30 | 2018-09-11 | 杭州楚天科技有限公司 | A kind of combination deodoration system of paper industry sewage plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037605A (en) * | 2023-04-03 | 2023-05-02 | 中城院(北京)环境科技股份有限公司 | Kitchen waste treatment method and system |
| CN116037605B (en) * | 2023-04-03 | 2023-05-30 | 中城院(北京)环境科技股份有限公司 | Kitchen waste treatment method and system |
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Application publication date: 20200204 |