CN108815982B - Fish meal exhaust treatment device - Google Patents
Fish meal exhaust treatment device Download PDFInfo
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- CN108815982B CN108815982B CN201811020857.4A CN201811020857A CN108815982B CN 108815982 B CN108815982 B CN 108815982B CN 201811020857 A CN201811020857 A CN 201811020857A CN 108815982 B CN108815982 B CN 108815982B
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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
- B01D53/007—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 by irradiation
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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
- B01D53/76—Gas phase processes, e.g. by using aerosols
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/102—Oxygen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0275—Other waste gases from food processing plants or kitchens
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides a fish meal waste gas treatment device, and belongs to the technical field of environmental protection equipment. This fish meal exhaust-gas treatment device, including the casing that the cross section presents the rectangle, the one end of casing is equipped with the intake pipe, the one end is equipped with the outlet duct in addition, the inside of casing is equipped with a plurality of oxidation unit I and a set of oxidation unit II in proper order from the intake pipe to between the outlet duct, the oxidation unit I of group includes titanium dioxide board module and ultraviolet lamp module, titanium dioxide board module includes four titanium dioxide boards, four titanium dioxide boards can dismantle the setting on four inside walls of casing, ultraviolet lamp module includes fixed frame and ultraviolet lamp, be equipped with a plurality of ultraviolet lamps in the fixed frame, oxidation unit II includes mount and titanium dioxide net, be equipped with the titanium dioxide net in the mount, be equipped with ozone generator on the outer wall of casing, ozone generator's ozone delivery port passes through the inside intercommunication of ozone conveyer pipe and casing, be provided with the check valve on the ozone conveyer pipe. The invention has the advantage of good waste gas treatment effect.
Description
Technical Field
The invention belongs to the technical field of environmental protection equipment, and relates to a fish meal waste gas treatment device.
Background
Fish meal is an important constituent of feed. The fish meal is prepared by using aquatic product offal and a plurality of small fish and shrimps through the procedures of steam high-temperature cooking, squeezing, drying, crushing and the like. Malodorous gas is generated in the production of fish meal, and the odor causes serious air pollution. Malodorous gas generated in the fish meal processing process has complex chemical components and contains a large amount of organic matters and inorganic matters. If the exhaust gas generated in the production process of fish meal is directly discharged to the external environment, the environment is necessarily polluted.
However, the existing equipment for treating the waste gas generated in fish meal production has poor degradation effect on the waste gas, and cannot meet the current environmental protection requirement.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a fish meal waste gas treatment device. The fish meal waste gas treatment device has good degradation effect on waste gas generated in fish meal production, and improves the treatment effect of the waste gas.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a fish meal exhaust-gas treatment device, includes that the cross section presents the casing of rectangle, be provided with a plurality of fixing base on the downside of casing outer wall, the one end of casing is provided with the intake pipe, and one end is provided with the outlet duct in addition, the inside of casing has set gradually a plurality of oxidation unit one and a set of oxidation unit two between the intake pipe to the outlet duct, the oxidation unit one includes titanium dioxide board module and ultraviolet lamp module, the titanium dioxide board module includes four titanium dioxide boards, four titanium dioxide boards can dismantle the setting through the support respectively on four inside walls of casing, the ultraviolet lamp module includes fixed frame and ultraviolet lamp, the fixed frame presents the rectangle and fixes on the inner wall of casing, be provided with a plurality of ultraviolet lamps in the fixed frame, oxidation unit two include mount and titanium dioxide net, the mount presents the rectangle and fix on the inner wall of casing, be provided with the titanium dioxide net in the mount, be provided with the ozone generator on the outer wall of casing, the ozone delivery outlet of ozone generator passes through ozone delivery pipe and the inside intercommunication of casing, be provided with the check valve three on the ozone delivery pipe.
In the fish meal waste gas treatment device, the guide plate is arranged on the inner wall of the shell, the arc-shaped part is arranged on the upper part of the guide plate, and the arc-shaped part is positioned right below the outlet of the ozone conveying pipe. Preferably, the deflector is provided with a plurality of deflector holes.
In the fish meal exhaust-gas treatment device, the waste water tank is arranged below the outer wall of the shell, the waste water tank is communicated with the lower side wall inside the shell through the drain pipe, the spray pipe is arranged in the shell, the spray pipe is arranged between the titanium dioxide net and the air outlet pipe, a plurality of nozzles are arranged on the spray pipe along the axial direction, the outlets of the nozzles are opposite to the titanium dioxide net, the water tank is arranged above the outer wall of the shell, the water tank is provided with the water pump, the inlet of the water pump is communicated with the bottom of the water tank through the pipeline, the outlet of the water pump is communicated with one end of the spray pipe, and the other end of the spray pipe is sealed.
In the fish meal waste gas treatment device, the stirring fan is further arranged in the shell through the bracket.
In the fish meal exhaust gas treatment device, mirror aluminum sheets are arranged between two adjacent side surfaces in the shell, the cross section of each mirror aluminum sheet is arc-shaped, and the mirror aluminum sheets are detachably connected with the inner wall of the shell.
In the fish meal exhaust gas treatment device, the downside of casing outer wall still is provided with circulating fan and assembly pipe and gas-supply pipe, the inside titanium dioxide net that is located of casing and the outlet duct between be provided with a plurality of breathing pipe, the breathing pipe all communicates with the assembly pipe, circulating fan's air inlet passes through intake pipe and assembly pipe intercommunication, circulating fan's gas outlet passes through the inside intercommunication of gas-supply pipe and casing, the gas-supply pipe is located the export below of ozone conveyer pipe and is located the rear of guide plate in the inside one end of casing.
In the fish meal waste gas treatment device, the first check valve and the second check valve are respectively arranged on the air inlet pipe and the air outlet pipe.
In the fish meal waste gas treatment device, the end part of one end of the air inlet pipe, which is positioned in the shell, is hinged with the check plate.
In the fish meal waste gas treatment device, the pressure sensor is arranged on the inner wall of the air outlet pipe, the controller is arranged on the outer wall of the shell, the first check valve and the second check valve are electromagnetic valves, and the controller is respectively electrically connected with the first check valve and the second check valve.
Compared with the prior art, the invention has good degradation effect on waste gas generated in fish meal production and good treatment effect on waste gas.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view at A-A in fig. 1.
Fig. 3 is a cross-sectional view at B-B in fig. 1.
Fig. 4 is a cross-sectional view at C-C in fig. 1.
In the figure: 1. a housing; 1a, a waste water tank; 1b, a drain pipe; 1c, a water pump; 1d, a drain pipe; 1e, a nozzle; 1f, a water tank; 2. an air inlet pipe; 3. an air outlet pipe; 4. a check plate; 5. a first check valve; 6. a second check valve; 7. a fixing seat; 8. a deflector; 8a, a diversion hole; 9. a circulating fan; 9a, a gas transmission pipe; 9b, an air inlet pipe; 9c, a collecting pipe; 9d, an air suction pipe; 10. an ozone generator; 11. an ozone delivery tube; 12. a third check valve; 13. a titanium dioxide plate; 14. a fixed frame; 15. an ultraviolet lamp; 16. a titanium dioxide mesh; 16a, a fixing frame; 17. a specular aluminum sheet; 18. a stirring fan; 19. a bracket; 20. a pressure sensor; 21. and a controller.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, a fish meal exhaust gas treatment device comprises a shell 1 with a rectangular cross section, wherein a plurality of fixing seats 7 are arranged on the lower side surface of the outer wall of the shell 1, one end of the shell 1 is provided with an air inlet pipe 2, the other end of the shell is provided with an air outlet pipe 3, a plurality of groups of oxidation units I and a group of oxidation units II are sequentially arranged between the air inlet pipe 2 and the air outlet pipe 3 in the shell 1, each group of oxidation units I comprises a titanium dioxide plate module and an ultraviolet lamp module, each titanium dioxide plate module comprises four titanium dioxide plates 13, the four titanium dioxide plates 13 are detachably arranged on the four inner side walls of the shell 1 through brackets respectively, each ultraviolet lamp module comprises a fixing frame 14 and an ultraviolet lamp 15, each fixing frame 14 is rectangular and is fixed on the inner wall of the shell 1, a plurality of ultraviolet lamps 15 are arranged in the fixing frame 14, each oxidation unit II comprises a fixing frame 16a and a titanium dioxide net 16, each fixing frame 16a is rectangular and is fixed on the inner wall of the shell 1, each fixing frame 16a is internally provided with a titanium dioxide net 16, the outer wall of the shell 1 is provided with an ozone outlet 10, and ozone delivery valve 11 is communicated with the ozone delivery valve 11.
The exhaust gas produced during fish meal processing contains many organic and inorganic contaminants.
When the titanium dioxide in the titanium dioxide net 16 and the titanium dioxide plate 13 is irradiated by light (ultraviolet light) with the wavelength less than or equal to 387.5nm, photo-generated electrons (e-) and photo-generated holes (h+) on the surface of the titanium dioxide are easily captured by oxidizing substances such as dissolved oxygen in water, the holes h+ can oxidize organic matters adsorbed on the surface of the titanium dioxide or firstly oxidize OH-and H2O molecules adsorbed on the surface of the titanium dioxide into OH free radicals, the oxidizing ability of the OH free radicals is strongest in oxidizing agents existing in water, and most of organic matters and inorganic pollutants in water can be oxidized, so that the organic matters and the inorganic pollutants are mineralized into inorganic small molecules, CO2, H2O and the like.
Ozone also has strong oxidizing property, can oxidize organic matters, and can efficiently promote the generation of OH free radicals in photocatalytic reaction, thereby enhancing the reaction efficiency.
The waste gas enters the shell 1 from the air inlet pipe 2 and is mixed with ozone conveyed into the shell 1 by the ozone generator 10, the waste gas is oxidized and degraded by ozone, then the waste gas is conveyed to the titanium dioxide plate module and the ultraviolet lamp module for further oxidation and degradation, and finally the waste gas passes through the titanium dioxide net 16, so that the waste gas and titanium dioxide materials are fully contacted to improve the oxidation and degradation effects.
The titanium dioxide plate 13 is a titanium dioxide plate 13 with a nano column shape on the surface, which is generated by an electrochemical oxidation method, of a common titanium dioxide plate, so that the surface area can be greatly increased, and the contact probability of waste gas and the titanium dioxide plate 13 is improved.
Specifically, a guide plate 8 is arranged on the inner wall of the shell 1, an arc-shaped part is arranged on the upper part of the guide plate 8, and the arc-shaped part is positioned right below the outlet of the ozone conveying pipe 11. Specifically, the deflector 8 is provided with a plurality of deflector holes 8a.
The guide plate 8 guides the waste gas to be treated entering from the air inlet pipe 2, so that the waste gas to be treated is guided to the outlet of the ozone conveying pipe 11, and the waste gas to be treated can be fully contacted with ozone, so that the oxidative degradation efficiency of organic pollutants and inorganic pollutants in the waste gas is improved;
the deflector hole 8a can reduce the impact force of the deflector 8 and improve the working stability of the fish meal waste gas treatment device.
Specifically, be provided with waste water tank 1a below the outer wall of casing 1, waste water tank 1a communicates through drain pipe 1b and the inside lower lateral wall of casing 1, be provided with shower 1d in the casing 1, shower 1d is located between titanium dioxide net 16 and outlet duct 3 and is provided with a plurality of nozzle 1e along the axial on the shower 1d, nozzle 1 e's export is just right with titanium dioxide net 16, casing 1's outer wall top is provided with water tank 1f, be provided with water pump 1c on the water tank 1f, water pump 1 c's import communicates through the bottom of pipeline and water tank 1f, water pump 1 c's export and shower 1 d's one end intercommunication, shower 1 d's other one end is sealed to be set up.
Specifically, a stirring fan 18 is further arranged in the shell 1 through a bracket 19. The stirring fan 18 can fully mix and oxidize ozone and waste gas, and the titanium dioxide plate 13 and the titanium dioxide net 16 under the irradiation of the ultraviolet lamp are combined, so that organic pollutants and inorganic pollutants in the waste gas can be further fully oxidized and degraded, and the treatment effect of the waste gas is improved.
The water pump 1c can spray the water body in the water tank 1f onto the titanium dioxide net 16 through the nozzle 1e for cleaning the titanium dioxide net 16, so that the efficiency of oxidizing waste gas under the irradiation of ultraviolet light of the titanium dioxide net 16 is improved, the water body after cleaning the titanium dioxide net 16 is gathered on the lower side surface of the shell 1, then is discharged into the waste water tank 1a through the drain pipe 1b, and the waste water in the waste water tank 1a can be purified through another water purifying system, so that the environment is not polluted.
Specifically, a specular aluminum sheet 17 is arranged between two adjacent side surfaces inside the shell 1, the cross section of the specular aluminum sheet 17 is arc-shaped, and the specular aluminum sheet 17 is detachably connected with the inner wall of the shell 1.
The mirror aluminum sheet 17 can reflect ultraviolet light emitted by the ultraviolet lamp 15, the ultraviolet light can be reflected to the mirror aluminum sheet 17 again, the utilization rate of the ultraviolet lamp 15 is improved, energy is saved, in addition, the area of the titanium dioxide plate 13 and the titanium dioxide net 16 irradiated by the ultraviolet light can be increased, namely, one side of the titanium oxide plate 13, which is close to the inner wall of the shell 1, can be irradiated by the ultraviolet light emitted by the ultraviolet lamp 15 under the action of the mirror aluminum sheet 17, and therefore the treatment efficiency of waste gas is improved.
Specifically, circulation fan 9 and header pipe 9c and gas-supply pipe 9a are still provided with to the downside of casing 1 outer wall, the inside titanium dioxide net 16 that is located of casing 1 and outlet duct 3 between be provided with a plurality of breathing pipe 9d, breathing pipe 9d all communicates with header pipe 9c, the air inlet of circulation fan 9 communicates through intake pipe 9b and header pipe 9c, the gas outlet of circulation fan 9 communicates through gas-supply pipe 9a and the inside of casing 1, gas-supply pipe 9a is located the export below of ozone conveyer pipe 11 and is located the rear of guide plate 8 at the inside one end of casing 1.
The circulation fan 9 can convey the treated waste gas to the lower part of the outlet of the ozone conveying pipe 11 again, so that the treated waste gas is fully combined with ozone again, and is fully oxidized and degraded under the action of the ultraviolet lamp 15 and the titanium dioxide plate 13, and the treatment effect of the waste gas is improved.
Specifically, a first check valve 5 and a second check valve 6 are respectively arranged on the air inlet pipe 2 and the air outlet pipe 3.
The first check valve 5 only allows exhaust gas to enter the shell 1 through the air inlet pipe 2, and the second check valve 6 only allows exhaust gas treated by the structure to be discharged out of the shell 1 through the air outlet pipe 3.
The arrangement of the first check valve 5 and the second check valve 6 can realize orderly flow of waste gas, namely, the waste gas enters from the air inlet pipe 2 and then is degraded in the shell 1, and finally is discharged from the air outlet pipe 3, so that the treatment effect and efficiency of the waste gas are improved.
Specifically, the end of the air inlet pipe 2 at one end inside the housing 1 is hinged with a check plate 4.
The area of the check plate 4 is larger than the end area of one end of the air inlet pipe 2 positioned in the shell 1, under the action of gravity, the check plate 4 covers the end of one end of the air inlet pipe 2 positioned in the shell 1, so that waste gas conveyed into the shell 1 through the air inlet pipe 2 can be further prevented from flowing back into the air inlet pipe 2, and the treatment effect and efficiency of the waste gas are improved.
Specifically, a pressure sensor 20 is arranged on the inner wall of the air outlet pipe 3, a controller 21 is arranged on the outer wall of the shell 1, the first check valve 5 and the second check valve 6 are electromagnetic valves, and the controller 21 is electrically connected with the first check valve 5 and the second check valve 6 respectively.
The pressure sensor 20 can monitor the pressure in the air outlet pipe 3 in real time, and the controller 21 can control the opening and closing of the first check valve 5 and the second check valve 6 through the signals of the pressure sensor 20 so as to control the pressure in the shell 1 to be within the design range.
When the pressure in the casing 1 is excessively large, the controller 21 may control the check valve one 5 to decrease the opening width or close to decrease the amount of exhaust gas entering the casing 1 through the intake pipe 2, and the controller 21 may control the check valve two 6 to increase the opening width to increase the exhaust gas discharge amount of the outlet pipe 3.
When the pressure in the casing 1 is too small, the controller 21 may control the check valve one 5 to increase the opening width to increase the amount of exhaust gas that enters the casing 1 through the intake pipe 2, and the controller 21 may control the check valve two 6 to decrease the opening width to decrease the exhaust gas discharge amount of the outlet pipe 3.
Various modifications, additions or substitutions of the described embodiments may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (1)
1. The fish meal waste gas treatment device comprises a shell (1) with a rectangular cross section, wherein a plurality of fixing seats (7) are arranged on the lower side face of the outer wall of the shell (1), one end of the shell (1) is provided with an air inlet pipe (2), the other end of the shell is provided with an air outlet pipe (3), the fish meal waste gas treatment device is characterized in that a plurality of groups of first oxidation units and a group of second oxidation units are sequentially arranged between the air inlet pipe (2) and the air outlet pipe (3) in the shell (1), the first oxidation units comprise a titanium dioxide plate module and an ultraviolet lamp module, the titanium dioxide plate module comprises four titanium dioxide plates (13), the four titanium dioxide plates (13) are detachably arranged on the four inner side walls of the shell (1) through brackets respectively, the ultraviolet lamp module comprises a fixing frame (14) and an ultraviolet lamp (15), the fixing frame (14) is rectangular and is fixed on the inner wall of the shell (1), a plurality of ultraviolet lamps (15) are arranged in the fixing frame (14), the oxidation units comprise a fixing frame (16 a) and a titanium dioxide net (16), the two groups of oxidation units comprise a titanium dioxide plate (16 a) and a titanium dioxide net (16), the fixing frame (16 a) is arranged on the inner wall of the shell (1), the ozone output port of the ozone generator (10) is communicated with the inside of the shell (1) through an ozone conveying pipe (11), and a check valve III (12) is arranged on the ozone conveying pipe (11);
a guide plate (8) is arranged on the inner wall of the shell (1), an arc-shaped part is arranged on the upper part of the guide plate (8), and the arc-shaped part is positioned right below the outlet of the ozone conveying pipe (11);
the novel sewage treatment device is characterized in that a waste water tank (1 a) is arranged below the outer wall of the shell (1), the waste water tank (1 a) is communicated with the lower side wall inside the shell (1) through a drain pipe (1 b), a spray pipe (1 d) is arranged in the shell (1), the spray pipe (1 d) is arranged between a titanium dioxide net (16) and an air outlet pipe (3) and is provided with a plurality of nozzles (1 e) along the axial direction, the outlets of the nozzles (1 e) are opposite to the titanium dioxide net (16), a water tank (1 f) is arranged above the outer wall of the shell (1), a water pump (1 c) is arranged on the water tank (1 f), the inlet of the water pump (1 c) is communicated with the bottom of the water tank (1 f) through a pipeline, the outlet of the water pump (1 c) is communicated with one end of the spray pipe (1 d), and the other end of the spray pipe (1 d) is sealed;
a stirring fan (18) is arranged in the shell (1) through a bracket (19);
a mirror aluminum sheet (17) is arranged between two adjacent side surfaces in the shell (1), the cross section of the mirror aluminum sheet (17) is arc-shaped, and the mirror aluminum sheet (17) is detachably connected with the inner wall of the shell (1);
the air inlet of the circulating fan (9) is communicated with the collecting pipe (9 c) through an air inlet pipe (9 b), the air outlet of the circulating fan (9) is communicated with the inside of the shell (1) through an air pipe (9 a), and one end of the air pipe (9 a) in the shell (1) is located below an outlet of the ozone conveying pipe (11) and behind the guide plate (8);
the air inlet pipe (2) and the air outlet pipe (3) are respectively provided with a first check valve (5) and a second check valve (6);
the end part of one end of the air inlet pipe (2) positioned in the shell (1) is hinged with a check plate (4);
the utility model discloses a pressure sensor, including casing (1), check valve one (5), check valve two (6), outlet duct (3) are provided with pressure sensor (20) on the inner wall of outlet duct (3), be provided with controller (21) on the outer wall of casing (1), check valve one (5) and check valve two (6) are the solenoid valve, controller (21) are connected with check valve one (5), check valve two (6) electricity respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020857.4A CN108815982B (en) | 2018-09-03 | 2018-09-03 | Fish meal exhaust treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020857.4A CN108815982B (en) | 2018-09-03 | 2018-09-03 | Fish meal exhaust treatment device |
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| CN108815982A CN108815982A (en) | 2018-11-16 |
| CN108815982B true CN108815982B (en) | 2023-07-21 |
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| CN201811020857.4A Active CN108815982B (en) | 2018-09-03 | 2018-09-03 | Fish meal exhaust treatment device |
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| CN110385028A (en) * | 2019-07-23 | 2019-10-29 | 舟山市海大科学技术研究院有限责任公司 | A kind of fish powder waste gases processing unit |
| CN112915739A (en) * | 2021-01-25 | 2021-06-08 | 中山大学 | Heterogeneous catalytic oxidation processing system of organic waste gas and foul smell waste gas |
| CN112933864A (en) * | 2021-02-01 | 2021-06-11 | 山东立威微波设备有限公司 | Electrodeless light wave sterilizing and disinfecting device for waste gas |
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| DE3938592A1 (en) * | 1989-11-21 | 1991-05-23 | Thomas Keese | Redn. of ozone content of air in room to safe levels - comprises drawing air over metal-oxide catalyst or UV source |
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| CN103341318A (en) * | 2013-07-19 | 2013-10-09 | 深圳市科德环保科技有限公司 | Treatment equipment and treatment method for odour pollutant waste gas |
| US20150114822A1 (en) * | 2013-10-28 | 2015-04-30 | Richard J. Greco | Photocatalytic Oxidation Apparatus for Oxidizing Volatile Organic Compounds |
| CN105509165B (en) * | 2015-12-02 | 2018-08-07 | 中国建筑科学研究院 | A kind of purification of architecture indoor air draught and humidifier |
| CN106440127B (en) * | 2016-08-30 | 2022-03-18 | 连云港职业技术学院 | Cold air type air cooling device |
| CN108295640A (en) * | 2018-02-11 | 2018-07-20 | 深圳市力德环保工程有限公司 | A kind of odor treatment method and equipment |
| CN208906000U (en) * | 2018-09-03 | 2019-05-28 | 浙江海洋大学 | A kind of fish powder waste gases processing unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20030034590A (en) * | 2001-10-26 | 2003-05-09 | (주)서울필텍엔지니어링 | Method and apparatus for eliminating the stench and volatile organic compounds in the polluted air |
| IL157229A0 (en) * | 2003-08-04 | 2004-02-19 | Atlantium Lasers Ltd | Method for energy coupling especially useful for disinfecting, and various systems using it |
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| CN108815982A (en) | 2018-11-16 |
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