CN114653193A - Kitchen waste malodorous gas treatment technology and device - Google Patents
Kitchen waste malodorous gas treatment technology and device Download PDFInfo
- Publication number
- CN114653193A CN114653193A CN202110787023.1A CN202110787023A CN114653193A CN 114653193 A CN114653193 A CN 114653193A CN 202110787023 A CN202110787023 A CN 202110787023A CN 114653193 A CN114653193 A CN 114653193A
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- Prior art keywords
- gas treatment
- kitchen waste
- malodorous gas
- treatment technology
- catalytic
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Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 30
- 239000010806 kitchen waste Substances 0.000 title claims description 32
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000003197 catalytic effect Effects 0.000 claims abstract description 25
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 11
- 238000006555 catalytic reaction Methods 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229910000510 noble metal Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000012876 carrier material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000004332 deodorization Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003421 catalytic decomposition reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 235000014594 pastries Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D53/8696—Controlling the catalytic process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention belongs to the field of garbage gas treatment, and relates to a technology and a device for treating kitchen garbage malodorous gas. The opening and closing of the air inlet and the air outlet valves are controlled by the PLC to switch the entering direction of the odor, so that the odor entering from the air inlet is treated by the catalytic bin on one side, and the valves of the air inlet and the air outlet are closed by the catalytic bin on the other side, so that the internal circulation odor treatment is carried out. The processing technology and the device realize that the deodorization device has smaller volume and more applicable occasions; the deodorization device adopts ozone and a catalyst module for deodorization, so that the efficiency is higher; the mode that one side is internally and circularly treated and the other side is normally deodorized is adopted, and the garbage disposer alternately works, so that the normal work of the garbage disposer is not influenced.
Description
Technical Field
The invention relates to a technology and a device for treating malodorous gas of kitchen waste.
Background
In recent years, the catering industry is developed at a high speed, and kitchen waste accumulated like a mountain is followed. According to the definition of technical specification for kitchen waste treatment (CJJ 184-2012), kitchen waste refers to food and drink residues of restaurants, unit canteens and the like and processing wastes of fruits, vegetables, meat, grease, pastry and the like in kitchen. High yield and wide distribution, and becomes an important component of municipal solid waste. Garbage disposal is one of supportive industries in the field of environmental protection, and kitchen garbage disposal is an important part of garbage disposal, so that the potential demand is strong. At the present stage, the construction of kitchen waste treatment facilities in China starts late, market gaps are obvious, a large amount of kitchen waste is not treated, and the growing space is huge.
For the treatment of kitchen waste, a distributed waste treatment machine of a biological fermentation type is mainly used at present, but due to the fact that the organic matter content of the kitchen waste is high, a large amount of malodorous gas can be generated in the operation process, and secondary pollution is caused to the environment. In addition, with the economic development and the improvement of the living standard of people, the requirements of people on the working and living environments are gradually improved, and the malodor is more and more concerned as one of the environmental pollution.
Aiming at the problem of foul gas discharged by a garbage deodorization device, a long-term effective treatment mode is lacked in the industry at present. The adsorption treatment technology of the activated carbon adsorption tower has the problems of low treatment efficiency, high maintenance cost caused by easy saturation and secondary pollution caused by the release of waste gas after saturated adsorption; the ozone oxidation technology has the problems of low treatment efficiency and secondary pollution to the environment caused by residual ozone easily; the spray tower spray absorption treatment technology has the advantages that the selectivity of the adsorption gas is high, only partial gas can be selectively and effectively absorbed according to different types of adsorption solutions, the odor of kitchen waste malodorous gas with complex components is difficult to simultaneously treat multiple gases to reduce the odor, and the installation and maintenance requirements and the operation cost are high due to large equipment volume; the biological treatment technology has the outstanding problems of large floor area requirement and small application range.
In view of the above problems, it is urgently required to develop a device for catalytic treatment of malodorous gases, which solves the above problems.
Disclosure of Invention
Aiming at the existing defects, the invention provides a technology and a device which are reasonable in layout and compact in structure, can effectively treat the kitchen waste malodorous gas, greatly improve the treatment efficiency of the kitchen waste malodorous gas, and realize efficient deodorization without secondary pollution.
In order to realize the purpose of the invention, the following technical scheme is provided: a technology and a device for treating kitchen waste malodorous gas are characterized by comprising an air inlet, an air outlet, an air inlet valve, an air outlet valve, a circulating air inlet, a circulating air outlet, a circulating air duct, a circulating fan, a dust removal device, a condensing device, an ozone generator, a catalytic cabin, a catalyst module and a PLC control system. Wherein the operation of complete equipment of PLC control system control, through the opening and shutting switching odor direction that gets into of PLC control air intake and air outlet valve, realize that one side catalysis storehouse handles the foul smell that gets into from the air intake, the valve in business turn over wind gap is then closed in opposite side catalysis storehouse, carry out the inside circulation foul smell and handle, after this side circulation foul smell is handled and is accomplished, PLC control valve switches the wind path, the foul smell that gets into from the air intake is handled in one side catalysis storehouse, and the valve in business turn over wind gap is then closed in the catalysis storehouse of one side in addition, begin the inside circulation and handle the foul smell, so reciprocal. Ozone is generated by an ozone generator and then enters the catalysis bin through a pipeline on the catalysis bin, and the ozone and a catalyst module in the catalysis bin realize the synergistic catalysis effect to jointly treat the odor.
Two paths of air ports are arranged on the preferential catalytic bin, and when an air inlet valve and an air outlet valve are in an open state, the catalytic bin on the side processes odor entering from an air inlet; when the air inlet valve and the air outlet valve are in a closed state, the circulating fan starts to work, and the air realizes the circulation of odor in the catalytic bin through the circulating air inlet and the circulating air outlet, so that the catalytic decomposition treatment of the odor in the catalyst module is realized.
As a preference catalyst module is placed on the grid of the catalytic cabin;
the preferable catalyst module is an activated carbon honeycomb, a metal oxide honeycomb, a noble metal loaded honeycomb and the like;
the ozone generators serving as the optimization are arranged in a box body outside the catalytic cabin and enter the catalyst modules on each layer through pipelines to realize uniform distribution;
the ozone generator is preferably a ceramic wafer ozone generator or a corona tube type ozone generator;
preferably, a dust removal device is arranged at the air inlet of the device;
preferably, a condensing device is arranged in the air duct of the device;
the whole set of device is preferably controlled by a PLC control system.
Compared with the existing stink treatment device, the invention has the following characteristics:
1. the deodorization device has smaller volume and more applicable occasions;
2. the deodorization device adopts ozone and a catalyst module for deodorization, so that the efficiency is higher;
3. the mode of internal circulation treatment at one side and normal deodorization at the other side is adopted, the operation is alternated, and the normal operation of the garbage disposer is not influenced;
drawings
FIG. 1 is a front structure diagram of a kitchen waste malodorous gas treatment technology and a device thereof.
FIG. 2 is a rear view structural diagram of a kitchen waste malodorous gas treatment technology and a device thereof.
FIG. 3 is a 45-degree side view structure diagram of the kitchen waste malodorous gas treatment technology and the device thereof.
Fig. 4 is a 15-degree overhead view structural diagram of the kitchen waste malodorous gas treatment technology and the device thereof.
Wherein: 1. an air inlet; 2. an air outlet; 3. an air inlet valve; 4. an air outlet valve; 5. a circulating fan; 6. a circulating air inlet; 7. a circulating air outlet; 8. a circulating air duct; 9. a dust removal device; 10. a condensing unit; 11. an ozone generator; 12. a catalysis bin; 13. a catalyst module; 14. and a PLC control system.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a front structure diagram of a kitchen waste malodorous gas treatment technology and a device thereof.
FIG. 2 is a rear view structural diagram of a kitchen waste malodorous gas treatment technology and a device thereof.
FIG. 3 is a 45-degree side view structure diagram of the kitchen waste malodorous gas treatment technology and the device thereof.
Fig. 4 is a 15-degree overhead view structural diagram of the kitchen waste malodorous gas treatment technology and the device thereof.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a kitchen waste malodorous gas treatment technology and device thereof includes: the device comprises an air inlet 1, an air outlet 2, an air inlet valve 3, an air outlet valve 4, a circulating fan 5, a circulating air inlet 6, a circulating air outlet 7, a circulating air duct 8, a dust removal device 9, a condensation device 10, an ozone generator 11, a catalytic cabin 12, a catalyst module 13 and a PLC control system 14.
The installation process of the device comprises the following steps:
dust collector and condensing equipment install in the confined box, box one end opening has connect the air intake, the dust collector rear end has connect condensing equipment, the air intake valve is installed in the lower part in catalysis storehouse, the air outlet valve is installed in the upper portion in catalysis storehouse, circulating fan installs in the upper portion in catalysis storehouse through the circulation wind outlet, the circulation wind outlet is installed in the lower part side position in catalysis storehouse, circulation wind air intake and circulation wind outlet link to each other through the circulation wind channel of catalysis storehouse side, ozone generator installs in the box at equipment rear portion, ozone links to each other through the pipeline between box and the catalysis storehouse, catalyst module places on the grid in catalysis storehouse, the grid is fixed in catalysis storehouse through the welded mode. The ozone generator box body is provided with two catalytic bins which are arranged up and down, the upper box body is connected with the left catalytic bin, and the lower box body is connected with the right catalytic bin. The structures in the left and right catalytic bins are the same.
The working process of the whole device is as follows:
the PLC control system 14 controls the opening and closing of the air inlet valve 3 and the air outlet valve 4 to switch the entering direction of the odor, so that the valve of the air inlet and the air outlet is opened by the catalyzing bin on one side to process the odor entering from the air inlet, the valve of the air inlet and the air outlet is closed by the catalyzing bin on the other side to perform catalytic decomposition treatment on the odor in the internal circulation. Ozone is generated by an ozone generator 11 and then enters a catalytic cabin 12 through a pipeline on the catalytic cabin, and the ozone and a catalyst module 13 in the catalytic cabin 12 realize the synergistic catalytic action and carry out catalytic decomposition treatment on the odor together.
Claims (10)
1. A kitchen waste malodorous gas treatment technology and a device thereof are characterized by comprising an air inlet, an air outlet, an air inlet valve, an air outlet valve, a circulating fan, a circulating air inlet, a circulating air outlet, a circulating air duct, a dust removal device, a condensing device, an ozone generator, a catalytic cabin, a catalyst module and a PLC control system; wherein the PLC control system is connected with the air inlet valve, the air outlet valve, the circulating fan, the ozone generator, an external power supply and a network; the ozone generator is connected with the catalysis bin through a pipeline, an ozone outlet hole is arranged in the catalysis bin, and a catalyst module is arranged on a grid of the catalysis bin.
2. The kitchen waste malodorous gas treatment technology and device according to claim 1, characterized in that the catalyst module in the catalytic cabin is made of catalyst material, and can be selected from substrate carrier materials such as active carbon, metal oxide and noble metal.
3. The kitchen waste malodorous gas treatment technology and device according to claim 1, characterized in that the catalyst module inside the catalytic cabin is of a honeycomb or granular structure.
4. The kitchen garbage malodorous gas treatment technology and the device thereof as claimed in claim 1, characterized in that the bottom of the grid inside the catalytic bin is provided with small ozone holes connected by pipelines and connected with an ozone generator.
5. The kitchen waste malodorous gas treatment technology and device according to claim 1, characterized in that the device comprises one or more sets of parallel catalytic bins.
6. The kitchen waste malodorous gas treatment technology and device thereof according to claim 1, characterized in that the ozone generator is a ceramic wafer ozone generator or a corona tube ozone generator.
7. The kitchen waste malodorous gas treatment technology and device according to claim 1, characterized in that a dust removal device is installed at the position of the air inlet.
8. The kitchen waste malodorous gas treatment technology and device according to claim 1, characterized in that a condensing device is arranged in the air duct.
9. The kitchen waste malodorous gas treatment technology and device thereof as claimed in claim 1, wherein the ozone generator is mounted in the box body outside the catalytic bin.
10. The kitchen waste malodorous gas treatment technology and device according to claim 1, characterized in that each catalytic cabin is provided with an air inlet and an air outlet which are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110787023.1A CN114653193A (en) | 2021-07-13 | 2021-07-13 | Kitchen waste malodorous gas treatment technology and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110787023.1A CN114653193A (en) | 2021-07-13 | 2021-07-13 | Kitchen waste malodorous gas treatment technology and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114653193A true CN114653193A (en) | 2022-06-24 |
Family
ID=82026087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110787023.1A Pending CN114653193A (en) | 2021-07-13 | 2021-07-13 | Kitchen waste malodorous gas treatment technology and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114653193A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200355901Y1 (en) * | 2004-04-19 | 2004-07-09 | 주식회사 가이아 | Agitator |
| CN201006041Y (en) * | 2006-11-22 | 2008-01-16 | 倪萍 | Ozone deodorizing device |
| CN204601914U (en) * | 2015-03-24 | 2015-09-02 | 河南省新清爽环保科技有限公司 | A kind of intelligent waste gas dedusting odor removal |
| CN108211686A (en) * | 2017-12-05 | 2018-06-29 | 青岛科技大学 | A kind of tail gas photooxidation cracking purification method |
| CN209076398U (en) * | 2018-09-03 | 2019-07-09 | 广东文惠环保股份有限公司 | A kind of organic exhaust gas ozone decomposition and deodorization processing equipment |
| CN209530488U (en) * | 2019-01-15 | 2019-10-25 | 怀集汇清环保设备工程有限公司 | A kind of integration deodoration system |
| CN210635915U (en) * | 2019-08-20 | 2020-05-29 | 杨解定 | Kitchen garbage fermentation treatment and odor purification system |
| CN213078037U (en) * | 2020-06-04 | 2021-04-30 | 杭州爱新空环境科技有限公司 | Deodorization system of garbage transfer station |
-
2021
- 2021-07-13 CN CN202110787023.1A patent/CN114653193A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200355901Y1 (en) * | 2004-04-19 | 2004-07-09 | 주식회사 가이아 | Agitator |
| CN201006041Y (en) * | 2006-11-22 | 2008-01-16 | 倪萍 | Ozone deodorizing device |
| CN204601914U (en) * | 2015-03-24 | 2015-09-02 | 河南省新清爽环保科技有限公司 | A kind of intelligent waste gas dedusting odor removal |
| CN108211686A (en) * | 2017-12-05 | 2018-06-29 | 青岛科技大学 | A kind of tail gas photooxidation cracking purification method |
| CN209076398U (en) * | 2018-09-03 | 2019-07-09 | 广东文惠环保股份有限公司 | A kind of organic exhaust gas ozone decomposition and deodorization processing equipment |
| CN209530488U (en) * | 2019-01-15 | 2019-10-25 | 怀集汇清环保设备工程有限公司 | A kind of integration deodoration system |
| CN210635915U (en) * | 2019-08-20 | 2020-05-29 | 杨解定 | Kitchen garbage fermentation treatment and odor purification system |
| CN213078037U (en) * | 2020-06-04 | 2021-04-30 | 杭州爱新空环境科技有限公司 | Deodorization system of garbage transfer station |
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Application publication date: 20220624 |