CN113926307A - Deodorization adsorption system for energy regeneration workshop - Google Patents

Deodorization adsorption system for energy regeneration workshop Download PDF

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Publication number
CN113926307A
CN113926307A CN202111395517.1A CN202111395517A CN113926307A CN 113926307 A CN113926307 A CN 113926307A CN 202111395517 A CN202111395517 A CN 202111395517A CN 113926307 A CN113926307 A CN 113926307A
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deodorization
centrifugal fan
chemical feeding
feeding device
tower
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刘文明
高晋
宣晓刚
吴吞
周俊
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Shanying International Holding Co Ltd
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Shanying International Holding Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/05Separating dispersed particles from gases, air or vapours by liquid as separating agent by condensation of the separating agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation 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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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 by absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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 by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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 by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • B01D53/185Liquid distributors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/52Hydrogen sulfide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2247/00Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D2247/10Means for removing the washing fluid dispersed in the gas or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases

Abstract

The invention discloses a deodorization and adsorption system for an energy regeneration workshop, which comprises the following system equipment: the device comprises a spraying deodorization device, a dosing device A, an acid washing oxidation tower, a dosing device B, an alkali washing absorption tower, a dosing device C, a centrifugal fan and an exhaust device; the device comprises a spray deodorization device, an acid washing oxidation tower, an alkaline washing absorption tower, an exhaust device, an air suction pipeline, a chemical feeding device A, a chemical feeding device B, a centrifugal fan, an air suction pipeline, a chemical feeding device A, an air suction pipeline, a chemical feeding device B, an air suction pipeline, a chemical feeding device C, a centrifugal fan, a chemical spraying device A, a chemical feeding device B, an air suction pipeline, a chemical feeding device B, an air suction pipeline, a centrifugal fan, a chemical feeding device B, a chemical feeding device A, a chemical feeding device, a centrifugal fan, a chemical feeding device, a centrifugal fan, a chemical feeding device and a chemical feeding device, a washing and a washing tower, a centrifugal fan, a washing tower, a centrifugal fan, a washing tower and a centrifugal fan, a gas exhaust device, a gas exhaust device and a gas, a gas exhaust device, a gas; according to the invention, the natural plant liquid spray deodorization system is arranged in the workshop, so that the peculiar smell molecules in the air can be effectively adsorbed, the structural pattern of the peculiar smell molecules is changed, the peculiar smell is further eliminated, the emission of the odor can be reduced from the source, and the influence of dissipated unorganized waste gas on the ambient environment is reduced.

Description

Deodorization adsorption system for energy regeneration workshop
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a deodorization and adsorption system for an energy regeneration workshop.
Background
The pulping and papermaking uses plant fiber as the chemical production process of the raw materials, in order to finish the physical and chemical reactions in the process, water is often used as the carrier or medium in the production, so the papermaking is an industry with great water resource consumption, various reactions in the production process and the combustion process of fuel can emit various waste gases, such as odorous, volatile organic compounds, carbon dioxide and the like, the sewage of a paper mill is recycled, a great amount of organic matters are precipitated and fermented, the sewage is caused to generate odor, when the plant fiber raw material is used for papermaking, the paper and the paperboard are obtained, and simultaneously, the waste water, the waste gas, the waste residue and the waste heat are discharged to the environment, so the environment pollution is caused, and therefore, proper environmental management measures and cleaning technology are required to be adopted, the environmental influence of the pulping and papermaking industry is reduced, and the requirements of sustainable development are met; in the prior art, the treatment effect on the odor and the waste gas of an energy regeneration workshop is not ideal, and particularly, the odor still remains after treatment.
Disclosure of Invention
The invention aims to provide a deodorization and adsorption system for an energy regeneration workshop, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an energy regeneration workshop deodorization adsorption system comprises the following system devices: the device comprises a spraying deodorization device, a dosing device A, an acid washing oxidation tower, a dosing device B, an alkali washing absorption tower, a dosing device C, a centrifugal fan and an exhaust device; the method is characterized in that: the spray deodorization equipment is installed in an energy regeneration workshop, the spray deodorization is connected with a dosing device A, the acid washing oxidation tower is connected with the energy regeneration workshop through an air suction pipeline, the acid washing oxidation tower is connected with a dosing device B, the acid washing oxidation tower is connected with an alkali washing absorption tower through a pipeline, the alkali washing absorption tower is connected with a dosing device C, the alkali washing absorption tower is connected with a centrifugal fan, and the centrifugal fan is connected with an exhaust device.
Preferably, the deodorization medicine in the medicine adding device A is natural plant deodorization liquid, the natural plant liquid contains alkaloid and reacts with acidic odor molecules such as hydrogen sulfide to eliminate odor, the deodorization liquid is added into the spraying deodorization equipment every 2-3 hours by the medicine adding device A and is mixed with clean water in the spraying deodorization equipment, the dosage of the medicine adding device A administered each time is 300-450 ml, and the clean water content in the spraying deodorization equipment is 6000-9000L.
Preferably, the chemical agent in the chemical adding device B is dilute sulfuric acid, the dilute sulfuric acid is added into the acid washing oxidation tower every 1-2 hours by the chemical adding device B, the dosage is 30-50L each time, new oxidant is added into the acid washing oxidation tower every 1-2 hours, the dosage is 60-100L each time, and the dilute sulfuric acid and the oxidant react in the acid washing oxidation tower to evolve harmful gas.
Preferably, the chemical agent in the chemical adding device C is liquid alkali, the liquid alkali is added into the alkaline washing absorption tower every 1-2 hours by the chemical adding device C, the adding amount is 30-50L each time, four layers of adsorption filter plates are arranged inside the alkaline washing absorption tower, and the topmost layer is a demisting plate.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the natural plant liquid spray deodorization system is arranged in the workshop, and after the natural plant liquid is atomized, the natural plant liquid can effectively adsorb odor molecules in the air, change the structure type of the odor molecules and further eliminate the odor, so that the odor emission can be reduced from the source, the load of subsequent treatment can be reduced, and the influence of dissipated unorganized waste gas on the ambient environment can be reduced;
the specially designed dosing device B and the dosing device C can control the dosage of the chemical agent in real time according to the dosage, so that the catalytic reaction in the acid washing oxidation tower and the alkali washing absorption tower is always in a stable state, the waste gas can be fully reacted and absorbed, and the adsorption efficiency is greatly improved.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an energy regeneration workshop deodorization adsorption system comprises the following system devices: the device comprises a spraying deodorization device, a dosing device A, an acid washing oxidation tower, a dosing device B, an alkali washing absorption tower, a dosing device C, a centrifugal fan and an exhaust device;
the device comprises a spray deodorization device, an acid washing oxidation tower, an alkaline washing absorption tower, an exhaust device, an air suction pipeline, a chemical feeding device A, a chemical feeding device B, a centrifugal fan, an air suction pipeline, a chemical feeding device A, an air suction pipeline, a chemical feeding device B, an air suction pipeline, a chemical feeding device C, a centrifugal fan, a chemical spraying device A, a chemical feeding device B, an air suction pipeline, a chemical feeding device B, an air suction pipeline, a centrifugal fan, a chemical feeding device B, a chemical feeding device A, a chemical feeding device, a centrifugal fan, a chemical feeding device, a centrifugal fan, a chemical feeding device and a chemical feeding device, a washing and a washing tower, a centrifugal fan, a washing tower, a centrifugal fan, a washing tower and a centrifugal fan, a gas exhaust device, a gas exhaust device and a gas, a gas exhaust device, a gas;
the deodorization medicine in the medicine adding device A is natural plant deodorization liquid, the natural plant liquid contains alkaloid and reacts with acidic peculiar smell molecules such as hydrogen sulfide and the like to eliminate peculiar smell, the deodorization liquid is added into the spraying deodorization equipment every 2-3 hours by the medicine adding device A and is mixed with clean water in the spraying deodorization equipment, the dosage of each time of administration of the medicine adding device A is 300-450 ml, and the clean water content in the spraying deodorization equipment is 6000-9000L;
the specific spray deodorizing effect is shown in table one:
Figure 752880DEST_PATH_IMAGE002
the chemical agent in the agent adding device B is dilute sulfuric acid, the agent adding device B can add the dilute sulfuric acid into the acid washing oxidation tower every 1-2 hours, the adding amount is 30-50L each time, new oxidant is added into the acid washing oxidation tower every 1-2 hours, the adding amount is 60-100L each time, the dilute sulfuric acid and the oxidant react in the acid washing oxidation tower, and odor and harmful gases are evolved;
the specific pickling oxidation effect is shown in table two:
Figure 732338DEST_PATH_IMAGE004
the chemical agent in the chemical adding device C is liquid alkali, the liquid alkali is added into the alkaline washing absorption tower every 1-2 hours by the chemical adding device C, the dosage of each time is 30-50L, four layers of adsorption filter plates are arranged inside the alkaline washing absorption tower, the topmost layer is a demisting plate, odor and harmful gas are subjected to chemical reaction with the liquid alkali, then are subjected to adsorption filtration by the filter plates layer by layer, and finally become clean gas and are discharged from the gas beating equipment;
the specific alkaline wash absorption effect is shown in table three:
Figure 574392DEST_PATH_IMAGE006
the working principle is as follows:
when odor and waste gas are removed in an energy regeneration workshop, firstly, spraying deodorization equipment and a dosing device A are started, tap water and plant deodorization liquid are mixed in the spraying deodorization equipment through micron-sized physical technology treatment, a motor is used for driving a high-pressure pump to pressurize the mixed liquid, the mixed liquid is sprayed out through a special stainless steel pipeline and an atomizing nozzle on the spraying deodorization equipment to achieve an aerosol effect, and after the spraying deodorization is reacted with the odor in the waste gas for a period of time, the odor is removed;
then the deodorized waste gas is sucked into an acid washing oxidation tower through an air suction pipeline, and the acid washing oxidation tower and a medicine adding device B are started to add an oxidant and dilute sulfuric acid into the acid washing oxidation tower for reaction;
the alkaline washing absorption tower, the dosing device B and the acid washing oxidation tower are linked, when waste gas is filtered by the acid washing oxidation tower, the waste gas enters the alkaline washing absorption tower, at the moment, the dosing device C sprays liquid alkali to the inside, an upward rotating airflow with a certain speed is formed under the action of the guide vanes, the injected liquid alkali is supported and repeatedly rotated to form a section of dynamically stable liquid particle suspension layer, the gathering and scattering combination of a liquid phase occurs at any time, and the purposes of waste gas absorption, dust capture, gas cooling and the like are achieved;
the odor and the waste gas after triple treatment are changed into clean gas, and finally are directly discharged from the exhaust equipment through the guide of the centrifugal fan.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. An energy regeneration workshop deodorization adsorption system comprises the following system devices: the device comprises a spraying deodorization device, a dosing device A, an acid washing oxidation tower, a dosing device B, an alkali washing absorption tower, a dosing device C, a centrifugal fan and an exhaust device; the method is characterized in that: the spray deodorization equipment is installed in an energy regeneration workshop, the spray deodorization is connected with a dosing device A, the acid washing oxidation tower is connected with the energy regeneration workshop through an air suction pipeline, the acid washing oxidation tower is connected with a dosing device B, the acid washing oxidation tower is connected with an alkali washing absorption tower through a pipeline, the alkali washing absorption tower is connected with a dosing device C, the alkali washing absorption tower is connected with a centrifugal fan, and the centrifugal fan is connected with an exhaust device.
2. The energy regeneration plant deodorization and adsorption system according to claim 1, wherein: the deodorization medicine in the medicine adding device A is natural plant deodorization liquid, the natural plant liquid contains alkaloid, and the deodorization liquid reacts with acidic odor molecules such as hydrogen sulfide to eliminate odor, the deodorization liquid can be added into the spraying deodorization equipment every 2-3 hours by the medicine adding device A, so that the deodorization liquid is mixed with clean water in the spraying deodorization equipment, the dosage of each time of administration of the medicine adding device A is 300-450 ml, and the clean water content in the spraying deodorization equipment is 6000-9000L.
3. The energy regeneration plant deodorization and adsorption system according to claim 1, wherein: the chemical agent in the chemical adding device B is dilute sulfuric acid, the dilute sulfuric acid is added into the acid washing oxidation tower every 1-2 hours by the chemical adding device B, the adding amount is 30-50L each time, new oxidant is added into the acid washing oxidation tower every 1-2 hours, the adding amount is 60-100L each time, and the dilute sulfuric acid and the oxidant react in the acid washing oxidation tower to evolve harmful gas.
4. The energy regeneration plant deodorization and adsorption system according to claim 1, wherein: chemical agent in the chemical adding device C is liquid alkali, the chemical adding device C can add the liquid alkali to the alkali washing absorption tower every 1-2 hours, the adding amount is 30-50L every time, four layers of adsorption filtering plates are arranged inside the alkali washing absorption tower, and the topmost layer is a demisting plate.
CN202111395517.1A 2021-11-23 2021-11-23 Deodorization adsorption system for energy regeneration workshop Pending CN113926307A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116531921A (en) * 2022-01-25 2023-08-04 碧空环境科技有限公司 Odor purification system for waste paper pulping and papermaking factory

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005125146A (en) * 2003-10-21 2005-05-19 Niigata Prefecture Deodorizing method and deodorizing liquid
CN104801177A (en) * 2014-01-23 2015-07-29 上海才水泉实业有限公司 Method for deodorizing by using nature plant extraction liquid
CN209952567U (en) * 2018-12-29 2020-01-17 环境保护部华南环境科学研究所 Equipment for reinforcing absorption of industrial malodorous waste gas
CN210814641U (en) * 2019-07-31 2020-06-23 蓝德环保科技集团股份有限公司 Chemical deodorization system
CN111790254A (en) * 2020-07-02 2020-10-20 天津市英格环保科技有限公司 Comprehensive treatment process for workshop odor waste gas of sewage treatment plant
CN112263903A (en) * 2020-09-25 2021-01-26 唐山中润煤化工有限公司 Malodorous gas collecting and treating system for chemical sewage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005125146A (en) * 2003-10-21 2005-05-19 Niigata Prefecture Deodorizing method and deodorizing liquid
CN104801177A (en) * 2014-01-23 2015-07-29 上海才水泉实业有限公司 Method for deodorizing by using nature plant extraction liquid
CN209952567U (en) * 2018-12-29 2020-01-17 环境保护部华南环境科学研究所 Equipment for reinforcing absorption of industrial malodorous waste gas
CN210814641U (en) * 2019-07-31 2020-06-23 蓝德环保科技集团股份有限公司 Chemical deodorization system
CN111790254A (en) * 2020-07-02 2020-10-20 天津市英格环保科技有限公司 Comprehensive treatment process for workshop odor waste gas of sewage treatment plant
CN112263903A (en) * 2020-09-25 2021-01-26 唐山中润煤化工有限公司 Malodorous gas collecting and treating system for chemical sewage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116531921A (en) * 2022-01-25 2023-08-04 碧空环境科技有限公司 Odor purification system for waste paper pulping and papermaking factory

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