CN111111402A - Kitchen waste gas treatment equipment and waste gas treatment method - Google Patents
Kitchen waste gas treatment equipment and waste gas treatment method Download PDFInfo
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- CN111111402A CN111111402A CN202010003259.7A CN202010003259A CN111111402A CN 111111402 A CN111111402 A CN 111111402A CN 202010003259 A CN202010003259 A CN 202010003259A CN 111111402 A CN111111402 A CN 111111402A
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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
- B01D53/75—Multi-step processes
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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
- B01D47/06—Spray cleaning
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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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides kitchen waste and waste gas treatment equipment and a waste and waste gas treatment method.A waste gas is collected through an air inlet pipe and then sequentially enters an acid washing tower and an alkali washing tower, and is respectively and sequentially subjected to repeated atomization spraying and flushing by a first automatic dosing system and a second automatic dosing system, so that dust, ammonia gas and hydrogen sulfide in the waste gas are sequentially removed, and then the waste gas enters a purifier to destroy chemical bonds of organic waste gas molecules, and toxic and harmful gases in the waste gas can be effectively degraded; can effectively kill various bacteria, decompose and innocent treatment the toxin that bacterium or fungi released, discharge through the delivery pipe at last, whole device simple structure, convenient operation can carry out thorough processing to the gas that kitchen garbage fermentation produced, discharge to reach standard.
Description
Technical Field
The invention relates to the technical field of waste gas treatment.
In particular to kitchen waste gas treatment equipment and a waste gas treatment method.
Background
The kitchen waste refers to waste generated in activities such as daily life, food processing, food service, unit meal supply and the like of residents, and comprises discarded vegetable leaves, leftovers, fruit peels, eggshells, tea leaves, bones and the like, and the kitchen waste is mainly sourced from household kitchens, restaurants, dining halls, markets and other industries related to food processing. The kitchen waste contains extremely high moisture and organic matters, is easy to decay and generates stink. The kitchen waste can be converted into new resources through proper treatment and processing, the characteristics of high organic matter content enable the kitchen waste to be used as fertilizer and feed after fermentation treatment, and malodorous gases (mainly ammonia gas, hydrogen sulfide and the like) generated in the anaerobic fermentation process of the kitchen waste are directly discharged to pollute the atmospheric environment, so that equipment specially aiming at gas treatment generated in the fermentation process of the kitchen waste is urgently needed to perfect the whole treatment process of the kitchen waste.
Disclosure of Invention
The invention aims to overcome the defects of the traditional technology and provide the waste gas treatment equipment and the waste gas treatment method which have simple structure and can thoroughly treat the gas generated by fermenting the kitchen waste.
The aim of the invention is achieved by the following technical measures: the utility model provides a kitchen garbage exhaust-gas treatment equipment which characterized in that: including acid wash tower, alkali wash tower, clearing machine and fan, the entry end of acid wash tower is connected with the intake pipe, connect through first gas-supply pipe between acid wash tower and the alkali wash tower, connect through the second gas-supply pipe between alkali wash tower and the clearing machine, connect through the third gas-supply pipe between clearing machine and the fan, the one end that the third gas-supply pipe was kept away from to the fan is connected with the delivery pipe through the fourth gas-supply pipe.
The whole system is under the effect of fan, and waste gas is inhaled the intake pipe in the processing, gets into acid wash tower and alkali wash tower successively and atomizes and spray and wash, gets rid of gases such as dust, ammonia and a small amount of hydrogen sulfide in the waste gas, absorbs a small amount of organic waste gas pollutant simultaneously. The waste gas enters the purifier, the chemical bonds of organic waste gas molecules are destroyed by adopting vacuum ultraviolet rays and photocatalyst particles in the UV-D wave band, so that the organic waste gas molecules are cracked to form free atomic groups, and meanwhile, the organic waste gas molecules are cracked to form free oxygen atoms to be combined to generate ozone. The ozone with strong oxidizing property and atoms generated by cracking organic waste gas molecules are subjected to oxidation reaction to form carbon dioxide, water and trace low-molecular harmless compounds. The photocatalyst has strong catalytic degradation function under the action of ultraviolet rays: can effectively degrade toxic and harmful gases in the waste gas; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; the system also has the function of removing overhigh ozone concentration and the like. And finally, discharging the waste water at high altitude through a discharge pipe.
As an improvement of the technical scheme: still include first automatic reagent feeding system and second automatic reagent feeding system, first automatic reagent feeding system with the acid wash tower is connected, the second automatic reagent feeding system with the alkali wash tower is connected.
As an improvement of the technical scheme: the acid washing tower is provided with a first circulating pool.
As an improvement of the technical scheme: the alkaline washing tower is provided with a second circulating pool.
As an improvement of the technical scheme: the purifier is a composite photocatalyst catalytic oxidation system.
As an improvement of the technical scheme: the height of the discharge pipe is not less than 15 m.
As an improvement of the technical scheme: the automatic chemical feeding device comprises an acid washing tower, an alkali washing tower, a purifier, a fan, a first automatic chemical feeding system and a second automatic chemical feeding system, and is characterized by further comprising a control cabinet, wherein the control cabinet is connected with the acid washing tower, the alkali washing tower, the purifier, the fan, the first automatic chemical feeding system and the second automatic chemical feeding system.
As an improvement of the technical scheme: the acid washing tower, the alkali washing tower, the purifier, the fan, the first automatic medicine feeding system and the second automatic medicine feeding system are all arranged on the foundation.
As an improvement of the technical scheme: the foundation is concrete, and the thickness of the foundation is 1.5 meters.
A garbage waste gas treatment method is characterized in that: the fan is opened, the waste gas enters the acid washing tower through the air inlet pipe to be treated, then enters the alkali washing tower to be treated, the dust, ammonia gas, a small amount of hydrogen sulfide and other gases in the waste gas are removed in sequence, a small amount of organic waste gas pollutants are absorbed simultaneously, the waste gas enters the purifier to be treated, carbon dioxide, water and trace low-molecular harmless compounds are formed, and finally the waste gas is discharged through the discharge pipe.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that: the invention provides kitchen waste and waste gas treatment equipment and a waste and waste gas treatment method.A waste gas is collected through an air inlet pipe and then sequentially enters an acid washing tower and an alkali washing tower, and is respectively and sequentially subjected to repeated atomization spraying and flushing by a first automatic dosing system and a second automatic dosing system, so that dust, ammonia gas and hydrogen sulfide in the waste gas are sequentially removed, and then the waste gas enters a purifier to destroy chemical bonds of organic waste gas molecules, and toxic and harmful gases in the waste gas can be effectively degraded; can effectively kill various bacteria, decompose and innocent treatment the toxin that bacterium or fungi released, discharge through the delivery pipe at last, whole device simple structure, convenient operation can carry out thorough processing to the gas that kitchen garbage fermentation produced, discharge to reach standard.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is a schematic structural diagram of a kitchen waste and waste gas treatment device and a waste and waste gas treatment method.
FIG. 2 is a schematic structural diagram of a kitchen waste and waste gas treatment device and a waste and waste gas treatment method.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b): as shown in attached figures 1-2, the kitchen waste gas treatment equipment is characterized in that: including acid wash tower 1, alkali wash tower 2, clearing machine 3 and fan 4, the entry end of acid wash tower 1 is connected with intake pipe 5, connect through first gas-supply pipe 6 between acid wash tower 1 and the alkali wash tower 2, connect through second gas-supply pipe 7 between alkali wash tower 2 and the clearing machine 3, connect through third gas-supply pipe 8 between clearing machine 3 and the fan 4, the one end that third gas-supply pipe 8 was kept away from to fan 4 is connected with discharge pipe 10 through fourth gas-supply pipe 9. The whole system is under the effect of fan 4, and waste gas is inhaled the intake pipe 5 in the processing, gets into acid wash tower 1 and alkali wash tower 2 in proper order and carries out the atomizing and spray washing, gets rid of gases such as dust, ammonia and a small amount of hydrogen sulfide in the waste gas, absorbs a small amount of organic waste gas pollutant simultaneously. The waste gas enters the purifier 3, the chemical bonds of organic waste gas molecules are destroyed by adopting vacuum ultraviolet rays and photocatalyst particles in the UV-D wave band, so that the organic waste gas molecules are cracked to form free atomic groups, and meanwhile, the oxygen in the mixed air is cracked to form free oxygen atoms to be combined to generate ozone. The ozone with strong oxidizing property and the atoms generated by the cracking of the organic waste gas molecules are subjected to oxidation reaction to form carbon dioxide, water and trace low-molecular harmless compounds, and finally the carbon dioxide, the water and the trace low-molecular harmless compounds are discharged at high altitude through a discharge pipe 10. In this example, the acid scrubber 1 and the alkali scrubber 2 are each made of FH-XD II.
The alkaline cleaning device is characterized by further comprising a first automatic dosing system 13 and a second automatic dosing system 14, wherein the first automatic dosing system 13 is connected with the acid cleaning tower 1, and the second automatic dosing system 14 is connected with the alkaline cleaning tower 2. The acid washing tower 1 is provided with a first circulation tank 11. The alkaline washing tower 2 is provided with a second circulation tank 12. The first automatic dosing system 13 and the second automatic dosing system 14 are of the type FH-ZDJY II.
The purifier 3 is a composite photocatalyst catalytic oxidation system. The model is FH-UV-10000.
The height of the discharge pipe 10 is not less than 15 m.
The device is characterized by further comprising a control cabinet, wherein the control cabinet is connected with the acid washing tower 1, the alkali washing tower 2, the purifier 3, the fan 4, the first automatic medicine feeding system 13 and the second automatic medicine feeding system 14. The control cabinet controls the operation of the whole system and monitors the whole system, and the circuit can be switched on or switched off by a manual or automatic switch in normal operation. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state.
Still include ground 15, acid wash tower 1, alkali wash tower 2, clearing machine 3, fan 4, first automatic reagent feeding system 13 and second automatic reagent feeding system 14 all set up on ground 15. The foundation 15 is made of concrete, and the thickness of the foundation 15 is 1.5 m. The concrete foundation 15 supports and fixes the whole device, and the total length of the discharge pipe 10 from the ground is more than 15 meters in order to achieve the best purification effect and environmental protection requirements. In the scheme, an acid washing tower 1, an alkali washing tower 2, a composite nano photocatalytic oxidation system, pipeline arrangement, a fan 4, an air pipe and equipment are reasonably arranged on site.
A waste gas treatment method, the whole system is under the function of the blower 4, the waste gas is absorbed into the intake pipe 5 to be treated, enters into the acid washing tower 1 first, the acid solution is added in the circulating pool of the washing tower according to the proportion, the liquid in the pool is input into two stages of atomization and spray by the corrosion resistant circulating pump to back flush the waste gas, the soluble and alkaline components in the waste gas are removed by utilizing the acid-base neutralization principle, and the waste gas is primarily purified. The waste gas enters a washing tower added with alkali liquor after being acid washed by a washing tower added with acid liquor, and is subjected to two-stage atomization spraying back washing to carry out sterilization treatment and neutralize acidic substances in the waste gas, so that the PH value of the waste gas reaches neutral. In order to avoid the discharge of waste gas and the entrainment of liquid drops, a gas-water separator is arranged at the top of the washing tower. The washing liquid in the pool is recycled, and the washing liquid needs to be replaced and added periodically due to partial loss in the using process. The water storage tank can be flexibly added or replaced with acid and alkali solvents according to actual working conditions. When the waste gas is washed by acid and alkali, the surface of the filler and the washing liquid carry out mass transfer under the condition of continuous and sufficient countercurrent contact, the filler layer in the tower is used as a mass transfer medium for gas-liquid two-phase contact, the bottom of the tower is provided with a filler support plate, the filler is stacked on the support plate in a disordered mode, and the washing liquid is distributed from the top of the tank through a spray header and sprayed onto the filler and flows down along the surface of the filler. The waste gas is firstly washed by acid and alkali and sprayed, so that dust, ammonia gas, a small amount of hydrogen sulfide and other gases in the waste gas are removed, and a small amount of organic waste gas pollutants are absorbed. The waste gas enters a composite nano photocatalytic oxidation system, chemical bonds of organic waste gas molecules are destroyed by adopting vacuum ultraviolet rays and photocatalyst particles in a UV-D waveband, so that the organic waste gas molecules are cracked to form free atomic groups, and meanwhile, oxygen in the mixed air is cracked to form free oxygen atoms to be combined to generate ozone. The ozone with strong oxidizing property and atoms generated by cracking organic waste gas molecules are subjected to oxidation reaction to form carbon dioxide, water and trace low-molecular harmless compounds. The photocatalyst has strong catalytic degradation function under the action of ultraviolet rays: can effectively degrade toxic and harmful gases in the waste gas; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; the system also has the function of removing overhigh ozone concentration and the like. Finally, the mixture is discharged from the high altitude through a 15-meter discharge pipe 10 pipeline.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a kitchen garbage exhaust-gas treatment equipment which characterized in that: including acid wash tower, alkali wash tower, clearing machine and fan, the entry end of acid wash tower is connected with the intake pipe, connect through first gas-supply pipe between acid wash tower and the alkali wash tower, connect through the second gas-supply pipe between alkali wash tower and the clearing machine, connect through the third gas-supply pipe between clearing machine and the fan, the one end that the third gas-supply pipe was kept away from to the fan is connected with the delivery pipe through the fourth gas-supply pipe.
2. The kitchen waste and waste gas treatment equipment according to claim 1, characterized in that: still include first automatic reagent feeding system and second automatic reagent feeding system, first automatic reagent feeding system with the acid wash tower is connected, the second automatic reagent feeding system with the alkali wash tower is connected.
3. The kitchen waste and waste gas treatment equipment according to claim 2, characterized in that: the acid washing tower is provided with a first circulating pool.
4. The kitchen waste and waste gas treatment equipment according to claim 3, characterized in that: the alkaline washing tower is provided with a second circulating pool.
5. The kitchen waste and waste gas treatment equipment according to claim 4, characterized in that: the purifier is a composite photocatalyst catalytic oxidation system.
6. The kitchen waste and waste gas treatment equipment according to claim 5, characterized in that: the height of the discharge pipe is not less than 15 m.
7. The kitchen waste and exhaust gas treatment equipment according to any one of claims 1 to 6, characterized in that: the automatic chemical feeding device comprises an acid washing tower, an alkali washing tower, a purifier, a fan, a first automatic chemical feeding system and a second automatic chemical feeding system, and is characterized by further comprising a control cabinet, wherein the control cabinet is connected with the acid washing tower, the alkali washing tower, the purifier, the fan, the first automatic chemical feeding system and the second automatic chemical feeding system.
8. The kitchen waste and gas treatment equipment according to claim 7, characterized in that: the acid washing tower, the alkali washing tower, the purifier, the fan, the first automatic medicine feeding system and the second automatic medicine feeding system are all arranged on the foundation.
9. The kitchen waste and gas treatment equipment according to claim 8, characterized in that: the foundation is concrete, and the thickness of the foundation is 1.5 meters.
10. A waste gas treatment method using the kitchen waste gas treatment equipment of claim 1, characterized in that: the fan is opened, the waste gas enters the acid washing tower through the air inlet pipe to be treated, then enters the alkali washing tower to be treated, the dust, ammonia gas, a small amount of hydrogen sulfide and other gases in the waste gas are removed in sequence, a small amount of organic waste gas pollutants are absorbed simultaneously, the waste gas enters the purifier to be treated, carbon dioxide, water and trace low-molecular harmless compounds are formed, and finally the waste gas is discharged through the discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003259.7A CN111111402A (en) | 2020-01-02 | 2020-01-02 | Kitchen waste gas treatment equipment and waste gas treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003259.7A CN111111402A (en) | 2020-01-02 | 2020-01-02 | Kitchen waste gas treatment equipment and waste gas treatment method |
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| Publication Number | Publication Date |
|---|---|
| CN111111402A true CN111111402A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010003259.7A Withdrawn CN111111402A (en) | 2020-01-02 | 2020-01-02 | Kitchen waste gas treatment equipment and waste gas treatment method |
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| CN (1) | CN111111402A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870953A (en) * | 2021-01-08 | 2021-06-01 | 光大环保（中国）有限公司 | Deodorization system and deodorization method for kitchen and incineration treatment |
| CN114849442A (en) * | 2022-04-27 | 2022-08-05 | 安徽紫科环保科技有限公司 | Waste gas treatment system of garbage transfer station |
-
2020
- 2020-01-02 CN CN202010003259.7A patent/CN111111402A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870953A (en) * | 2021-01-08 | 2021-06-01 | 光大环保（中国）有限公司 | Deodorization system and deodorization method for kitchen and incineration treatment |
| CN114849442A (en) * | 2022-04-27 | 2022-08-05 | 安徽紫科环保科技有限公司 | Waste gas treatment system of garbage transfer station |
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Application publication date: 20200508 |
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