CN113522019A - Air purification equipment for biological treatment of kitchen waste - Google Patents
Air purification equipment for biological treatment of kitchen waste Download PDFInfo
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- CN113522019A CN113522019A CN202110934556.8A CN202110934556A CN113522019A CN 113522019 A CN113522019 A CN 113522019A CN 202110934556 A CN202110934556 A CN 202110934556A CN 113522019 A CN113522019 A CN 113522019A
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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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
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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
- B01D53/002—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 condensation
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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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
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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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
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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
- B01D53/864—Removing carbon monoxide or hydrocarbons
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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
- B01D53/8678—Removing components of undefined structure
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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
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
Abstract
The invention belongs to the technical field of environment-friendly equipment, and particularly relates to air purification equipment for biological treatment of kitchen waste. The air purification equipment comprises a flue gas collecting assembly, a three-way catalyst, a switching pipeline, a first air compressor, an oil-gas condenser, a first one-way valve, a first stop valve, a second stop valve, a third stop valve, a cooling system and a controller. The smoke collecting assembly comprises a smoke collecting cover and an air box body, and an air cabinet, a motor and a wind wheel are arranged in the air box body. The oil gas condenser comprises an oil condensing cavity and an oil collecting cavity; a coagulation promoting carrier for promoting liquefaction and coagulation of oily gas phase substances in the smoke is arranged in the center of the cavity of the coagulation cavity; the oil condensing cavity is communicated with the oil collecting cavity, an exhaust port is arranged on the side wall of the oil collecting cavity, a first gas-liquid separator is arranged at the exhaust port, and an oil discharge port is arranged at the bottom of the oil collecting cavity; the air purification equipment has good performances of purifying harmful gases and liquefying and recovering oil gas, the liquefying and recovering rate of volatile oil gas is very high, and the energy-saving and environment-friendly performances are outstanding.
Description
Technical Field
The invention belongs to the technical field of biological environmental protection, and particularly relates to air purification equipment for biological treatment of kitchen waste.
Background
The kitchen waste contains a large amount of discarded food or food residues, and the substances can be used as raw materials for producing feed or fertilizer. At present, the mainstream kitchen waste treatment process is to crush and stir the waste and then extrude the waste to complete solid-liquid separation; the separated solid matter is fermented for producing compost or used for preparing feed after being dried. The separated liquid substance can be used for extracting the bio-fuel oil or producing the methane, etc.
In the process of producing feed by using solid matters separated from kitchen waste, the solid matters in the kitchen waste are often required to be dried and sterilized. The conventional drying and sterilizing mode is to carry out high-temperature drying in a drying treatment chamber, and the high temperature can realize drying and can also achieve the sterilizing effect. In addition, in order to further improve the sterilization and insecticidal effects, the materials are treated by adopting an open fire fast baking mode when being turned over.
In the above treatment process, carbon monoxide is generated in the drying chamber due to incomplete combustion, and meanwhile, toxic and harmful gases such as methane, nitrogen oxides and the like are generated by partial fermentation reaction in the drying process, and the gases are directly discharged into the air to cause pollution. In addition, the kitchen waste is rich in grease, a large amount of oil and gas components can be volatilized in the drying treatment process, and the random discharge of the substances not only pollutes the environment but also causes resource waste.
Disclosure of Invention
The invention provides air purification equipment for biological treatment of kitchen waste, aiming at the problems that in the prior art, toxic and harmful gases are easily generated in a drying chamber for recycling the kitchen waste, so that environmental pollution is caused, and pollution and resource waste are caused by volatilization of oil gas.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a kitchen garbage air purification equipment for biological treatment, this air purification equipment includes collection petticoat pipe, bellows box, three way catalyst converter, switching pipeline, first air compressor, oil gas condenser, first check valve, first stop valve, second stop valve, third stop valve, cooling system to and the controller.
Wherein, the smoke collecting hood and the bellows box body form a smoke collecting component; an air cabinet, a motor and a wind wheel are arranged in the air box body, and an outlet of the air cabinet is communicated with an inlet of the discharge flue. The flue gas collected by the air box enters the discharge flue.
The three-way catalyst is used for carrying out catalytic treatment on the smoke in the smoke discharge flue; an electric heating net is arranged between a tubular shell of the three-way catalyst and a catalyst carrier in the shell; the inlet of the three-way catalyst is communicated with the outlet of the discharge flue.
The switching pipeline is arranged in parallel with the three-way catalyst, and the inlets of the switching pipeline and the three-way catalyst are communicated with the outlet of the discharge flue through a first three-way valve.
The first air compressor is installed at the rear section of the three-way catalyst and the switching pipeline, and the inlet of the first air compressor is communicated with the outlets of the three-way catalyst and the switching pipeline respectively through a second three-way valve.
The oil gas condenser comprises an oil condensing cavity and an oil collecting cavity; the top of the oil condensing cavity is provided with an inlet, and the inlet of the oil condensing cavity is communicated with an outlet of the first air compressor; the center of the cavity of the oil condensing cavity is provided with a coagulation promoting carrier which is used for promoting the liquefaction and condensation of gas-phase substances in the smoke; the coagulant carrier is arranged on a carrier mounting rack in the oil condensing cavity; the bottom of the oil condensing cavity is communicated with the top of the oil collecting cavity, the oil collecting cavity is vertically arranged in a spindle shape, an exhaust port is arranged on the side wall of the middle part of the oil collecting cavity, a first gas-liquid separator is arranged at the exhaust port, the exhaust port is communicated with a gas inlet of the first gas-liquid separator, a gas outlet of the first gas-liquid separator extends into a flue of a building, and a liquid discharge port of the first gas-liquid separator is communicated with the bottom of the oil collecting cavity through a discharge pipe; an oil discharge port is arranged at the bottom of the oil collecting cavity.
The first check valve is installed between the outlet of the first air compressor and the inlet of the oil condensation cavity, and the direction of the fluid which can pass through enters the oil condensation cavity along the outlet of the first air compressor.
The first stop valve is installed at the interface of the oil condensing cavity and the oil collecting cavity and used for controlling the conductivity of the oil condensing cavity and the oil collecting cavity.
The second stop valve is installed at the gas outlet of the first gas-liquid separator and used for controlling the on-off of the gas discharge process in the oil collecting cavity.
The third stop valve is arranged at the oil outlet of the oil collecting cavity and is used for controlling the on-off of the liquefied and recovered oil in the oil collecting cavity in the discharging process.
The cooling system comprises an evaporator, a second compressor, a condenser, a liquid storage tank, a drying filter, a solenoid valve and an expansion valve which are sequentially communicated through a circulating pipeline. The liquid storage tank is filled with a refrigerant; the pipeline of the evaporator is arranged on the periphery of the oil-gas condenser, and the pipeline of the condenser is arranged on the periphery of a discharge flue at the front end of the three-way catalytic converter.
The controller is electrically connected with the motor, the first air compressor, the electric heating net, the cooling system, the first three-way valve, the second three-way valve, the first stop valve, the second stop valve and the third stop valve; the controller is used for the running states of the motor, the first air compressor, the electric heating net, the cooling system, the first three-way valve, the second three-way valve, the first stop valve, the second stop valve and the third stop valve.
And in the harmful gas treatment process, the controller switches the first three-way valve and the second three-way valve to keep the three-way catalyst conducted and keep the electric heating net running.
And in the non-harmful gas treatment process, the controller switches the first three-way valve and the second three-way valve to keep the switching pipeline conducted and keep the electric heating net closed.
The control flow of the controller in the oil gas recovery treatment process is as follows:
(1) when the equipment is started, the motor, the first air compressor and the cooling system are operated; at this time, the first stop valve is opened, the second stop valve and the third stop valve are closed, the state is maintained for a specified time period, and the oil gas condensation process is executed.
(2) And when the set time period of the oil gas condensation process is reached, keeping the first stop valve and the third stop valve closed, simultaneously opening the second stop valve, maintaining the state for the set time period, and executing the oil collecting cavity pressure relief process.
(3) And when the set time period in the oil collecting cavity pressure relief process is reached, keeping the first stop valve and the second stop valve closed, simultaneously opening the third stop valve, maintaining the state for the set time period, and executing the oil collecting cavity oil discharge process.
(4) And (4) after the oil drainage process is finished, repeatedly executing the step (1).
The controller keeps the motor on and the first air compressor and the cooling system off in the non-oil gas recovery processing process; the first stop valve and the second stop valve are opened, and the third stop valve is closed.
Furthermore, the shell of the three-way catalytic converter is in a long tube shape, the shell is in a double-layer thin plate structure, a heat insulation interlayer is arranged between the double-layer thin plates and is filled with asbestos fiber felts, the catalyst carrier contains a honeycomb porous structure, the catalyst carrier contains a catalyst, and the catalyst is one or a combination of more of metal platinum, rhodium or palladium.
Furthermore, the coagulation promoting carrier is a funnel-shaped sintering block, and the surface and the inner part of the sintering block are distributed with a honeycomb structure. The sintered cake is hygroscopic; the coagulation promoting carrier is prepared by uniformly mixing one or more of calcium carbonate, sodium bicarbonate, magnesium chloride, magnesium sulfate and sodium chloride with a coagulant, and then wetting, molding and baking the mixture.
Furthermore, the carrier mounting frame comprises a mounting ring, a bracket extending outwards in a radial shape is connected to the mounting ring, and the bracket is fixedly connected with the inside of a condensate cavity in the oil-gas condenser; a coagulation promoting carrier is placed on the mounting ring.
Furthermore, a filter screen cover, a stainless steel air net and an oil collecting tank are arranged in the inner container of the fume collecting hood. The filtering net cover and the stainless steel wind net are arranged at the inlet of the wind cabinet, and the oil collecting tank is arranged below the stainless steel wind net; the stainless steel wind net is positioned at the lower part of the filter screen cover and is in an inverted pyramid shape; the oil collecting tank and the smoke collecting hood are detachably connected.
Further, an oil discharge port of the oil collecting cavity is communicated with an oil collecting groove in the oil collecting hood through an oil pipe.
Furthermore, the top of the oil condensing cavity of the oil gas condenser is provided with an openable sealing door.
Furthermore, the first gas-liquid separator is designed based on the filling separation principle, and an inner bent pipe of the first gas-liquid separator contains a filler.
Further, the first air compressor is a screw air compressor.
Furthermore, a gas detection device is arranged on the smoke collection cover, the gas detection device comprises a first detection module and a second detection module, the first detection module is used for detecting the comprehensive concentration Q1 of carbon monoxide and nitrogen oxides in the air, and the second detection module is used for detecting the comprehensive concentration Q2 of volatile oil gas in the air; the gas detection device is electrically connected with the controller.
The invention has the following beneficial effects:
1. the air purification equipment provided by the invention can detect volatile oil gases such as nitrogen oxides, carbon monoxide and methane generated by combustion reaction in the drying chamber on the basis of realizing odor elimination and air circulation, and can oxidize and reduce harmful gases into harmless gases and discharge the harmless gases into the atmosphere. The invention improves the structure of the traditional three-way catalyst and adds the heating device, thereby leading the product to play a better treatment effect in the harmless treatment of the gas of the air purification equipment.
2. The air purification equipment can detect and analyze a large amount of volatile oil gas in the air, and can condense and recover the oil gas when the comprehensive concentration of the oil gas in the air is high. The invention collects the mixed gas containing oil gas through the oil gas condenser, pressurizes the mixed gas through the air compressor, and refrigerates the oil gas condenser through the cooling system. The oil gas is promoted to be condensed and liquefied in the oil gas condenser through the low-temperature and high-pressure environment, and meanwhile, the condensation efficiency of the oil gas is improved by utilizing the condensation-promoting carrier. The oil gas recovery rate of the air purification equipment is very high, the liquefied oil product can be collected, stored and reused after being separated, and the air purification equipment has obvious energy-saving and environment-friendly benefits.
3. After the air purification equipment provided by the invention is applied, the contents of substances such as nitric oxide, volatile oil gas and carbon monoxide discharged to the atmosphere from the drying chamber in the biological treatment process of the kitchen waste can be greatly reduced, so that great environmental protection benefits are generated. In addition, the air purification equipment can select different modes to operate according to different concentration conditions of gas in the air, so that the energy consumption of the operation of the equipment is reduced. In addition, the invention also effectively utilizes the waste heat generated by the cooling system, and the energy-saving effect of the equipment is outstanding.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view showing the construction of an air cleaning apparatus in embodiment 1 of the present invention;
FIG. 2 is a disassembled view of the flue gas collection assembly in embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the construction of an oil and gas condenser in example 1 of the present invention;
FIG. 4 is a schematic sectional view showing a three-way catalyst in example 1 of the invention;
FIG. 5 is a schematic diagram of the structural arrangement of the procoagulant support and the support mounting rack in example 1 of the present invention;
FIG. 6 is a schematic view showing the construction of an air cleaning apparatus in embodiment 2 of the present invention;
FIG. 7 is a schematic view showing the construction of an air cleaning apparatus in embodiment 3 of the present invention;
fig. 8 is a schematic structural view of a cooling system in embodiment 3 of the present invention;
FIG. 9 is a schematic view showing the construction of an air cleaning apparatus in embodiment 4 of the present invention;
FIG. 10 is a schematic view showing the connection of modules of a control section of an air cleaning apparatus in example 4 of the present invention;
FIG. 11 is a flowchart of a method of automatically operating an air cleaning apparatus in embodiment 5 of the present invention;
labeled as: 1. a flue gas collection assembly; 2. a three-way catalyst; 3. a first check valve; 4. an oil gas condenser; 5. a first air compressor; 6. a cooling system; 7. switching pipelines; 8. a gas detection device; 11. an air box body; 12. a smoke collecting hood; 13. a wind cabinet; 14. a motor; 15. a wind wheel; 16. a filtering net cover; 17. a stainless steel wind screen; 18. an oil sump; 19. a discharge flue; 21. a housing; 22. a thermally insulating interlayer; 23. heating the net; 24. a catalyst support; 41. a condensate chamber; 42. an oil collecting cavity; 43. a first gas-liquid separator; 44. a first shut-off valve; 45. a second stop valve; 46. a third stop valve; 47. an oil discharge port; 48. an exhaust port; 61. a circulation pipe; 62. an evaporator; 63. a second compressor; 64. a condenser; 65. a liquid storage tank; 66. drying the filter; 67. an electromagnetic valve; 68. an expansion valve; 71. a first three-way valve; 72. a second three-way valve; 100. a controller; 411. a carrier mounting frame; 412. a pro-coagulant carrier; 431. a discharge pipe; 471. and (4) an oil pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides an air purification apparatus for biological treatment of kitchen waste, which is installed in a drying chamber for biological treatment of kitchen waste to perform air purification treatment. The air purification equipment comprises a flue gas collection assembly 1, wherein the flue gas collection assembly 1 comprises a smoke collection hood 12 and an air box body 11, an air cabinet 13, a motor 14 and an air wheel 15 are arranged in the air box body 11, and an outlet of the air cabinet 13 is communicated with an inlet of a discharge flue 19; the air cleaning apparatus further includes: three-way catalyst 2, hydrocarbon condenser 4, first check valve 3, first stop valve 44, second stop valve 45, third stop valve 46, and controller 100. The untreated gas collected by the air purification equipment is referred to as flue gas hereinafter.
The three-way catalyst 2 is used for carrying out catalytic treatment on the flue gas in the flue; the inlet of the three-way catalyst 2 is communicated with the outlet of the discharge flue 19, and the outlet of the three-way catalyst 2 is communicated with the inlet of the oil-gas condenser 4. The three-way catalyst 2 comprises a long tubular shell 21 and a catalyst carrier 24 inside, wherein the catalyst carrier 24 is a honeycomb carrier processed by taking aluminum oxide as a main component; the catalyst support 24 contains a catalyst; the catalyst is one or more of metal platinum, rhodium or palladium. The catalyst is used for converting carbon monoxide, volatile oil gas and nitrogen oxides in the flue gas into harmless carbon dioxide, water and nitrogen through oxidation and reduction. Under the catalytic action of the catalyst, various types of oxidation-reduction reactions including the following may occur in the three-way catalyst 2:
in this embodiment, as shown in fig. 4, the casing 21 of the three-way catalyst 2 is a double-layer thin plate, a heat-insulating interlayer 22 is arranged in the thin plate, the heat-insulating interlayer 22 is filled with a heat-insulating layer material, and the heat-insulating layer material is an asbestos fiber felt; an electric heating net 23 is arranged in the gap between the shell 21 and the catalyst carrier 24; the electric heating net 23 is electrically connected to the controller 100. In this example, the oil smoke sucked into the three-way catalyst 2 by the wind wheel 15 is mainly low-temperature gas; in a low temperature state, the degree of the above-mentioned redox reaction is low, and volatile oil gas, carbon monoxide and nitrogen oxides in the flue gas cannot be sufficiently harmlessly treated. In this embodiment, the tube pass structure of the three-way catalyst 2 is greatly extended, and the electric heating net 23 is used to heat the flue gas and the catalyst carrier 24, so that the degree of the oxidation-reduction reaction is improved, and the harmful gas is fully treated. In addition, components such as oil gas and the like can be prevented from being attached to the honeycomb carrier of the three-way catalyst 2 in the heating process, and the catalyst carrier is prevented from being blocked. The heating process also makes the heated mixture gas easier to liquefy after being cooled and pressurized in the oil gas condenser 4 at the rear section.
In the oil-gas condenser 4 provided in the present embodiment, as shown in fig. 3, the oil-gas condenser 4 includes a condensing chamber 41 and a collecting chamber 42; the oil condensing chamber 41 is funnel-shaped, the top of the oil condensing chamber is provided with an inlet, and the inlet of the oil condensing chamber 41 is communicated with the outlet of the three-way catalyst 2; the coagulation promoting carrier 412 is arranged in the center of the cavity of the coagulation cavity 41, and the coagulation promoting carrier 412 is used for promoting the gas phase substances in the flue gas to be coagulated into a liquid phase in a high-pressure environment; the coagulant carrier is mounted on the carrier mount 411 within the coagulant chamber 41; the bottom of the oil condensing cavity 41 is communicated with the top of the oil collecting cavity 42, the oil collecting cavity 42 is vertically arranged in a spindle shape, an air outlet 48 is arranged on the side wall of the middle part of the oil collecting cavity 42, and an oil outlet 47 is arranged at the bottom of the oil collecting cavity 42.
The embodiment also comprises a first check valve 3 arranged between the outlet of the three-way catalyst 2 and the inlet of the oil condensation chamber 41, and the direction of the fluid can enter the oil condensation chamber 41 along the outlet of the three-way catalyst 2. And a first shut-off valve 44 installed at an interface between the oil condensing chamber 41 and the oil collecting chamber 42, the first shut-off valve 44 being used for controlling the communication between the oil condensing chamber 41 and the oil collecting chamber 42. And a second stop valve 45 installed at the exhaust port 48 of the oil collecting chamber 42, wherein the second stop valve 45 is used for controlling the on-off of the gas discharging process in the oil collecting chamber 42. And a third stop valve 46 installed at an oil discharge port 47 of the oil collection chamber 42, the third stop valve 46 being used to control on/off of a discharge process of the liquefied recovered oil in the oil collection chamber 42.
The air cleaning apparatus provided in the present embodiment further includes a controller 100; the controller 100 is used to control the operating states of the motor 14, the first cut-off valve 44, the second cut-off valve 45, and the third cut-off valve 46. The motor 14, the first cut-off valve 44, the second cut-off valve 45, and the third cut-off valve 46 are all electrically connected to the controller 100.
In this embodiment, as shown in fig. 5, the coagulation promoting carrier 412 is a funnel-shaped carrier, and the surface and the inside of the coagulation promoting carrier 412 are distributed with a honeycomb structure; the material from which the carrier is made is hygroscopic. The nature of the material makes high concentration oil gas easily adsorb on the coagulation promoting carrier 412 and liquefy. The liquefied oil droplets have a strong surface tension and will adhere to the coagulation promoting carrier 412, and attract the surrounding oil gas to further liquefy and coagulate.
The coagulation promoting carrier 412 used in this embodiment is obtained by mixing calcium carbonate, magnesium chloride, and magnesium sulfate in equal mass ratio, mixing the mixture with a coagulant, and then wetting, molding, and baking the mixture. The carrier mounting bracket 411 comprises a mounting ring, a bracket extending radially outwards is connected to the mounting ring, and the bracket is fixedly connected with the inside of the oil condensing cavity 41 in the oil-gas condenser 4; the accelerating carrier 412 is placed on the mounting ring.
After the motor 14 rotates, after the mixed gas rich in volatile oil gas sucked by the air purification equipment enters the oil condensation chamber 41 through the first check valve 3, the controller 100 opens the first stop valve 44, and keeps the second stop valve 45 and the third stop valve 46 in a closed state; the oil gas heated by the three-way catalyst 2 section enters the oil condensation cavity 41, the air pressure in the oil condensation cavity 41 is continuously increased due to the continuous entering of the gas, meanwhile, the temperature in the oil condensation cavity 41 is obviously lower than the temperature in the three-way catalyst 2, and the oil gas in the mixed gas is easy to liquefy under the high-pressure and low-temperature states. The coagulation promoting carriers 412 serve as coagulation nuclei, and the oil gas is liquefied on the coagulation promoting carriers 412 in the oil coagulation chamber 41, and the liquefied oil gas falls into the oil collection chamber 42 below under the action of gravity. At this time, the controller 100 closes the first stop valve 44 and opens the second stop valve 45 to discharge air along the exhaust port 48, thereby releasing the pressure in the oil collecting chamber 42; after the pressure is released to a proper degree, the second stop valve 45 is closed, and the third stop valve 46 is opened, so that the liquefied oil is extruded out along the oil outlet 47 by using the proper pressure remained in the oil collecting cavity 42. After the oil is discharged, the third stop valve 46 is closed again, and the first stop valve 44 is opened, so that the liquefaction process of the gaseous oil is performed. In the operation of the air cleaning apparatus in the present embodiment, the controller 100 may control the sequence by a program.
In this embodiment, the fume collecting hood 12 is disposed above the oil product detecting table, the inner container of the fume collecting hood 12 is provided with a filter screen 16, a stainless steel air screen 17 and an oil collecting tank 18, the filter screen 16 and the stainless steel air screen 17 are disposed at the inlet of the fume chamber 13, and the oil collecting tank 18 is disposed below the stainless steel air screen 17.
The filter screen 16 and the stainless steel wind screen 17 in the smoke collecting hood 12 are used for primarily filtering and separating the air entering the wind cabinet 13 and the rear section, and due to the suction effect of the motor 14 and the wind wheel 15, part of dust, liquid drops and the like may also enter the wind cabinet 13, and these substances may block the equipment at the rear section, thereby affecting the functional effect thereof. Therefore, in the embodiment, after the mixed gas is preliminarily filtered by the filter screen cover 16 and the stainless steel air mesh 17, relatively pure gas is obtained, and meanwhile, the oil liquid preliminarily separated is received by the oil collecting tank 18.
In the embodiment, the stainless steel wind screen 17 is positioned at the lower part of the filter screen cover 16, and the stainless steel wind screen 17 is in an inverted pyramid shape; the oil collecting tank 18 is detachably connected with the smoke collecting hood 12. The structure of the stainless steel air net 17 can make filtered liquid drops more easily attached to the surface of the stainless steel air net 17 and fall into the oil collecting tank 18 below; the removable design of the sump 18 facilitates removal after filling and allows the operator to load the collected oil into the associated container and then reinstall the sump 18 onto the fume hood 12.
Wherein, the outlet of the oil collecting chamber 42 is communicated with the oil collecting groove 18 in the fume collecting hood 12 through an oil pipe 471; the liquefied oil in the oil collecting cavity 42 is also discharged into the oil collecting tank 18, so that the oil can be stored and treated in a centralized manner.
In this example, the first gas-liquid separator 43 is further disposed at the exhaust port 48 of the oil collecting cavity 42; the exhaust port 48 is communicated with a gas inlet of the first gas-liquid separator 43, a gas outlet of the first gas-liquid separator 43 extends into a flue of a building, and a liquid discharge port of the first gas-liquid separator 43 is communicated with the bottom of the oil collecting cavity 42 through a discharge pipe 431; a second shutoff valve 45 is installed at the gas outlet end of the first gas-liquid separator 43. The air outlet 48 is mainly used for decompressing the oil collecting cavity 42, and during the decompression, part of the liquid oil may be ejected out along the air outlet 48 with the air, so in this example, the first air-liquid separator 43 is installed at the air outlet 48, and the first air-liquid separator 43 is designed based on the principle of filling and separating.
When the discharged gas is mixed with liquid oil during use, the gas and the liquid are mixed to flow together with different resistances due to different densities of the gas and the liquid. When the mixed fluid meets the barrier, the gas therein is deflected away and the liquid therein continues to have a forward velocity due to inertia, and the forward liquid adheres to the surface of the barrier packing and collects downward due to gravity and is discharged through the discharge pipe 431. The outlet of the drain 431 in this example is in communication with the oil collection chamber 42, so that the liquid oil is returned to the oil collection chamber 42. In the first gas-liquid separator 43 in this example, since the packing has a larger barrier wall area than in the conventional baffle classification, and the liquid is more likely to fall on the wall by repeating the baffle several times, the separation efficiency is higher.
In the present example, the top of the oil condensation chamber 41 in the oil gas condenser 4 is provided with an openable sealing door; the sealing door is used as an access hole. Also, the procoagulant carrier 412 may exhibit some reduction in its functional effectiveness after a period of use. Therefore, the operator can open the sealing door to replace the coagulation promoting carriers 412, and the replaced coagulation promoting carriers 412 can be reused after vacuum treatment and high-temperature calcination.
Example 2
The embodiment provides an air purification equipment for biological treatment of kitchen waste, and the difference between the embodiment and the embodiment 1 is that:
as shown in fig. 6, in the present embodiment, a first air compressor 5 is provided between the outlet of the three-way catalyst 2 and the inlet of the oil-gas condenser 4, and the first air compressor 5 is a screw air compressor. In embodiment 1, air is driven by the wind wheel 15 in the wind cabinet 13, discharged into the oil-gas condenser 4, and restrained from flowing back through the first check valve 3. And in this implementation, increase after using first air compressor 5, can further improve the pressure value in oil gas condenser 4 to be favorable to the abundant liquefaction of oil gas to be retrieved, improve liquefaction recovery efficiency.
Example 3
The embodiment provides an air purification equipment for kitchen waste biological treatment, and the difference between the embodiment and the embodiment 2 is that:
as shown in fig. 7, in the present embodiment, a cooling system 6 is further provided outside the oil gas condenser 4, and as shown in fig. 8, the cooling system 6 includes a circulation pipe 61, an evaporator 62, a second compressor 63, a condenser 64, a reservoir tank 65, a dry filter 66, a solenoid valve 67, and an expansion valve 68.
The receiver 65 is filled with a refrigerant, and the refrigerant completes a refrigeration cycle in the evaporator 62, the second compressor 63, the condenser 64, the receiver 65, the filter drier 66, the solenoid valve 67, and the expansion valve 68 in sequence along the circulation line 61 under the driving of the compressor. The cooling system 6 is electrically connected to a controller 100, and the controller 100 is used for controlling the operation process of the cooler.
In the present embodiment, the evaporator 62 in the cooling system 6 is provided at the outer periphery of the oil gas condenser 4, and is used for cooling the oil gas condenser 4; the condenser 64 in the cooling system 6 is arranged on the periphery of the exhaust flue 19 at the front end of the inlet of the three-way catalyst 2 and is used for primarily heating the sucked flue gas.
In the refrigeration cycle, the liquid refrigerant enters the dry filter 66 from the receiver 65 and is vaporized in the evaporator 62 through the solenoid valve 67 and the expansion valve 68, and the refrigerant absorbs heat from around the condenser 64 during vaporization, thereby cooling the vapor condenser 4. The vaporized refrigerant is then sent through a compressor to a condenser 64 to be condensed and liquefied, and returned to the receiver 65. During the condensation and liquefaction process of the refrigerant, a large amount of heat is released outwards, and the heat is released to the periphery of the discharge flue 19 to heat oil gas in the discharge flue 19. Besides being used as a part of a refrigeration system, the condenser 64 actually plays a role in auxiliary heating of the catalytic process of the three-way catalyst 2, so that energy consumption in the operation process of the equipment can be effectively saved, and the energy efficiency utilization rate of the equipment is improved.
After evaporimeter 62 cools off oil gas condenser 4, ambient temperature greatly reduced in the oil gas condenser 4, the condensation effect of oil gas condenser 4 to oil gas can be showing to promote in low temperature and highly compressed environment to improve the oil gas rate of recovery of equipment in this example.
Example 4
As shown in fig. 9, the present embodiment is different from embodiment 3 in that: this embodiment has increased switching pipeline 7, and switching pipeline 7 is ordinary pipeline, should switch pipeline 7 and three way catalyst converter 2 and set up in parallel, and the entrance of switching pipeline 7 and three way catalyst converter 2 all communicates through first three-way valve 71 and discharge flue 19, and the exit of switching pipeline 7 and three way catalyst converter 2 all communicate through the entry of second three-way valve 72 with oil gas condenser 4 in the exit. Fig. 10 shows a schematic block diagram of the control section of the air cleaning apparatus according to the present embodiment.
Meanwhile, the gas detection device 8 is further arranged on the fume collecting hood 12, the gas detection device 8 comprises a first detection module and a second detection module, the first detection module is used for detecting the comprehensive concentration Q1 of carbon monoxide and nitrogen oxides in the air, and the second detection module is used for detecting the comprehensive concentration Q2 of volatile oil in the air.
In this example, the gas detection device 8, the first three-way valve 71 and the second three-way valve 72 are all electrically connected to the controller 100, and the controller 100 receives the detection result of the gas detection device 8 and controls the operation states of the first three-way valve 71, the second three-way valve 72, the oil-gas condenser 4 and the refrigeration system according to the detection result. The decision process of the controller 100 is as follows:
(1) when Q1 is more than or equal to Q1 and Q2 is more than or equal to Q2, the first three-way valve 71 and the second three-way valve 72 keep the three-way catalyst 2 switched on and running, and the switching pipeline 7 is closed; meanwhile, the refrigeration system operates, and the oil gas condenser executes an oil gas condensation recovery process;
(2) when Q1 is more than Q1 and Q2 is more than or equal to Q2, the first three-way valve 71 and the second three-way valve 72 keep the three-way catalyst 2 closed and open the switching pipeline 7; meanwhile, the refrigeration system operates, and the oil gas condenser executes an oil gas condensation recovery process;
(3) when Q1 is more than or equal to Q1 and Q2 is more than Q2, the first three-way valve 71 and the second three-way valve 72 keep the three-way catalyst 2 switched on and operated, and the switching pipeline 7 is closed; meanwhile, the refrigerating system is closed, the oil gas condenser does not execute the oil gas condensation recovery process, and the received gas is directly discharged;
(4) when Q1 < Q1 and Q2 < Q2, the first three-way valve 71 and the second three-way valve 72 keep the three-way catalyst 2 closed and open the switching pipe 7; meanwhile, the refrigerating system is closed, the oil gas condenser does not execute the oil gas condensation recovery process, and the received gas is directly discharged;
wherein Q1 is the lowest risk threshold of the comprehensive concentration of carbon monoxide and nitrogen oxides obtained according to expert experience, and when the actual concentration Q1 is higher than the threshold Q1, the harmful gas needs to be harmlessly treated. Q2 is the minimum recoverable concentration of volatile oil in air obtained from expert experience, and when the actual concentration Q2 is higher than Q2, the oil gas condenser 4 in this embodiment can perform condensation recovery processing on volatile, and when the concentration is lower than that, it is indicated that there is no recovery processing value, and at this time, the relevant condensation recovery components can be shut down.
In the air purification apparatus in this embodiment, the refrigeration system and the three-way catalyst 2 do not need to be operated and used for a long time, and the operation is started only when the gas detection device 8 detects that the harmful gas treatment is required or the volatile oil gas recovery is performed. The energy consumption of the equipment in the using process is greatly reduced; meanwhile, the actual service life of the three-way catalyst 2, the coagulation promoting carrier 412 and other equipment or consumables is prolonged.
Example 5
In the present embodiment, there is provided an automatic operation method applied to the air purification apparatus in embodiment 4, the operation method is controlled by the controller 100, and as shown in fig. 11, the automatic operation method includes the following steps:
s1: starting the air purification equipment to finish equipment initialization;
s2: detecting the comprehensive concentration Q1 of carbon monoxide and nitrogen oxide compounds in the indoor air and the comprehensive concentration Q2 of volatile oil gas, and executing the step S3;
s3: the following judgments and decisions are made according to the values of Q1, Q2:
(1) when the condition Q1 is satisfied, all components of the air cleaning apparatus are not operated, so that the apparatus remains in a standby state; after the duration of the standby state reaches the predetermined period T0, the process returns to S2;
(2) when the conditions Q1 < Q01 and Q2 < Q02 are not satisfied, step S4 is performed;
s4: the following judgments and decisions are made according to the values of Q1, Q2:
(1) when Q1 is not less than Q1 and Q2 is not less than Q2, the harmful gas treatment process and the oil gas recovery process as step S51 are simultaneously performed; after completion of one processing cycle T1, return is made to step S2;
(2) q1 < Q1, and Q2 ≧ Q2, only execute the oil gas recovery process as step S52; after completion of one processing cycle T2, return is made to step S2;
(3) when Q1 ≧ Q1, and Q2 < Q2, only the harmful-gas treatment process as step S53 is performed; after completion of one processing cycle T3, return is made to step S2;
(4) when Q1 < Q1, and Q2 < Q2, only the cyclic exhaust process as in step S54 is executed; after completion of one processing cycle T4, return is made to step S2;
s5: the operation treatment stage of the air purification equipment comprises the following four processes:
s51: performing a harmful gas treatment and oil gas recovery process, the process comprising the steps of:
s511: the motor 14 is operated; switching the first three-way valve 71 and the second three-way valve 72 to turn on the three-way catalyst 2; the heating net 23 is turned on; the first air compressor 5 is operated; the first cut valve 44 is opened, and the second cut valve 45 and the third cut valve 46 are closed; the cooling system 6 is turned on; firstly, carrying out catalytic reaction on oil gas to remove harmful gas; then the volatile matter is condensed in the oil gas condenser 4; after the operation for the predetermined time t1, step S512 is executed;
s512: closing the first stop valve 44, opening the second stop valve 45 and releasing the pressure of the oil collecting cavity 42; after the state is maintained and the operation is performed for a predetermined time t2, step S513 is executed;
s513: closing the second stop valve 45, opening the third stop valve 46, and discharging oil from the oil collection chamber 42; after the state is kept and the operation is carried out for the specified time T3, a processing period T1 of the harmful gas processing and oil gas recovery process is completed;
s52: performing an oil and gas recovery process, the process comprising the steps of:
s521: the motor 14 is operated; switching the first three-way valve 71 and the second three-way valve 72 to conduct the switching line 7; the heating net 23 is closed; the first air compressor 5 is operated; the first cut valve 44 is opened, and the second cut valve 45 and the third cut valve 46 are closed; the cooling system 6 is turned on; condensing the volatiles in an oil-gas condenser 4; after the operation for the predetermined time t1, step S552 is executed;
s522: closing the first stop valve 44, opening the second stop valve 45 and releasing the pressure of the oil collecting cavity 42; after the operation is maintained in this state for a predetermined time t2, step S523 is executed;
s523: closing the second stop valve 45, opening the third stop valve 46, and discharging oil from the oil collection chamber 42;
after the state is kept and the oil gas recovery device operates for the specified time T3, a processing period T2 of the oil gas recovery process is completed;
s53: performing a harmful gas treatment process, the process comprising the steps of:
s531: the motor 14 is operated; switching the first three-way valve 71 and the second three-way valve 72 to turn on the three-way catalyst 2; the heating net 23 is turned on;
s532: the cooling system 6 is closed, the first air compressor 5 is closed, the first stop valve 44 and the second stop valve 45 are opened, the third stop valve 46 is closed, and after the state is kept and the operation is carried out for the specified time T4, a processing period T3 of the harmful gas processing process is completed;
s54: performing a cyclic exhaust process, the process comprising the steps of:
s541: the motor 14 is operated; switching the first three-way valve 71 and the second three-way valve 72 to conduct the switching line 7; the heating net 23 is closed;
s542: after the cooling system 6 is closed, the first air compressor 5 is closed, the first stop valve 44 and the second stop valve 45 are opened, the third stop valve 46 is closed, and the operation is maintained in this state for a predetermined time T5, the processing period T4 of one cycle exhaust process is completed.
In the standby state in step S3, the motor 14, the first air compressor 5, the refrigeration system, the first stop valve 44, the second stop valve 45, and the third stop valve 46 are all in the closed state.
In step S3, q01 is the lowest detectable value of the total concentration of carbon monoxide and nitrogen oxides in the air, and when the actual total concentration is not higher than the lowest detectable value, it is determined that carbon monoxide and nitrogen oxides in the air do not affect the human body at all, and no treatment is required; and q02, when the actual concentration is not higher than the lowest detectable value, the volatile oil gas in the air is considered to cause no harm at all and does not need to be treated.
In the automatic operation method in this embodiment, the operation states of the air purification apparatus are divided into five types, which are a standby state, a harmful gas treatment and oil gas recovery state, a single harmful gas treatment state, a single oil gas recovery state, and a circular exhaust state; the selection of the five operation states is determined according to the value of the real-time comprehensive concentration of harmful gases and the comprehensive concentration of volatile oil and gas in the current air. The air purification equipment is in different states, the operation states of all internal components are different, and all components can be stopped in an unnecessary state in such a way, so that the energy consumption of the operation of the equipment is reduced, and the actual service life of the equipment is prolonged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an air purification equipment for kitchen garbage biological treatment which characterized in that: the air purification equipment comprises a smoke collecting hood and a wind box body, wherein the smoke collecting hood and the wind box body form a smoke collecting assembly; an air cabinet, a motor and a wind wheel are arranged in the air box body, and an outlet of the air cabinet is communicated with an inlet of the smoke discharge channel; characterized in that, the air purification equipment still includes:
the three-way catalyst is used for carrying out catalytic treatment on the flue gas; an electric heating net is arranged between the tubular shell of the three-way catalyst and the catalyst carrier in the shell; the inlet of the three-way catalyst is communicated with the outlet of the discharge flue;
the switching pipeline is arranged in parallel with the three-way catalyst, and inlets of the switching pipeline and the three-way catalyst are communicated with an outlet of the smoke discharge channel through a first three-way valve;
the inlet of the first air compressor is communicated with the outlets of the three-way catalyst and the switching pipeline respectively through a second three-way valve;
the oil gas condenser comprises an oil condensing cavity and an oil collecting cavity inside; the top of the oil condensing cavity is an inlet, and the inlet of the oil condensing cavity is communicated with an outlet of the first air compressor; a condensation promoting carrier is arranged in the center of the cavity of the condensation cavity and used for promoting the liquefaction and condensation of gas-phase substances in the smoke; the coagulant carrier is arranged on a carrier mounting rack in the oil coagulation cavity; the bottom of the oil condensing cavity is communicated with the top of the oil collecting cavity, the oil collecting cavity is vertically arranged in a spindle shape, an exhaust port is arranged on the side wall of the oil collecting cavity, a first gas-liquid separator is mounted at the exhaust port, the exhaust port is communicated with a gas inlet of the first gas-liquid separator, a gas outlet of the first gas-liquid separator extends into a flue of a building, and a liquid discharge port of the first gas-liquid separator is communicated with the bottom of the oil collecting cavity through a discharge pipe; an oil discharge port is arranged at the bottom of the oil collecting cavity;
the first check valve is arranged between the outlet of the first air compressor and the inlet of the oil condensation cavity, and the direction in which the fluid can pass is along the outlet of the first air compressor to enter the oil condensation cavity;
the first stop valve is arranged at the interface of the oil condensing cavity and the oil collecting cavity and is used for controlling the conductivity of the oil condensing cavity and the oil collecting cavity;
the second stop valve is arranged at the gas outlet of the first gas-liquid separator and is used for controlling the on-off of the gas discharge process in the oil collecting cavity;
a third stop valve which is arranged at an oil outlet of the oil collecting cavity and is used for controlling the on-off of the discharging process of the liquefied and recovered oil in the oil collecting cavity,
the cooling system comprises an evaporator, a second compressor, a condenser, a liquid storage tank, a drying filter, an electromagnetic valve and an expansion valve which are sequentially communicated through a circulating pipeline; the liquid storage tank is filled with a refrigerant; the pipeline of the evaporator is arranged on the periphery of the oil-gas condenser, and the pipeline of the condenser is arranged on the periphery of a discharge flue at the front end of the three-way catalyst; and
the controller is electrically connected with the motor, the first air compressor, the electric heating net, the cooling system, the first three-way valve, the second three-way valve, the first stop valve, the second stop valve and the third stop valve; the controller is used for the running states of the motor, the first air compressor, the electric heating net, the cooling system, the first three-way valve, the second three-way valve, the first stop valve, the second stop valve and the third stop valve;
the controller switches the first three-way valve and the second three-way valve to keep the three-way catalyst conducted and keep the electric heating net running in the harmful gas treatment process;
the controller switches the first three-way valve and the second three-way valve to keep the switching pipeline conducted and keep the electric heating net closed in the non-harmful gas treatment process;
the control flow of the controller in the oil gas recovery treatment process is as follows:
(1) when the equipment is started, the motor, the first air compressor and the cooling system are operated; at the moment, the first stop valve is opened, the second stop valve and the third stop valve are closed, the state is maintained for a specified time period, and the oil gas condensation process is executed;
(2) when the set time period of the oil-gas condensation process is reached, keeping the first stop valve and the third stop valve closed, simultaneously opening the second stop valve, maintaining the state for the set time period, and executing the oil collecting cavity pressure relief process;
(3) when the set time period in the oil collecting cavity pressure relief process is reached, keeping the first stop valve and the second stop valve closed, simultaneously opening the third stop valve, maintaining the state for the set time period, and executing the oil collecting cavity oil discharging process;
(4) after the oil drainage process is finished, repeatedly executing the step (1);
the controller keeps the motor on and the first air compressor and the cooling system off in the non-oil gas recovery processing process; the first stop valve and the second stop valve are opened, and the third stop valve is closed.
2. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: the shell of the three-way catalyst is in a long tube shape, the shell is in a double-layer thin plate structure, a heat insulation interlayer is arranged between the double-layer thin plates and is formed by filling asbestos fiber felts, the catalyst carrier contains a honeycomb-shaped porous structure, and the catalyst carrier contains a catalyst which is one or a combination of more of metal platinum, rhodium or palladium.
3. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: the coagulation promoting carriers are funnel-shaped sintered blocks, cellular structures are distributed on the surfaces and the inner parts of the sintered blocks, and the sintered blocks have hygroscopicity; the coagulation promoting carrier is prepared by uniformly mixing one or more of calcium carbonate, sodium bicarbonate, magnesium chloride, magnesium sulfate and sodium chloride with a coagulant, and then wetting, molding and baking the mixture.
4. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: the carrier mounting frame comprises a mounting ring, a support extending outwards in a radial shape is connected to the mounting ring, and the support is fixedly connected with the inside of a condensate cavity in the oil-gas condenser; the procoagulant carrier is placed on the mounting ring.
5. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: the inner container of the fume collecting hood is internally provided with a filter screen, a stainless steel air net and an oil collecting tank, the filter screen and the stainless steel air net are arranged at the inlet of the air cabinet, and the oil collecting tank is arranged below the stainless steel air net; the stainless steel wind net is positioned at the lower part of the filter net cover, and the stainless steel wind net is in an inverted pyramid shape; the oil collecting tank and the smoke collecting hood are detachably connected.
6. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: and an oil discharge port of the oil collecting cavity is communicated with an oil collecting groove in the oil collecting hood through an oil pipe.
7. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: and the top of the oil condensing cavity of the oil-gas condenser is provided with an openable sealing door.
8. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: the first gas-liquid separator is designed based on a filling separation principle, and an inner bent pipe of the first gas-liquid separator contains a filler.
9. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: the first air compressor is a screw air compressor.
10. The air purification apparatus for biological treatment of kitchen waste according to claim 1, characterized in that: the smoke collection cover is provided with a gas detection device, the gas detection device comprises a first detection module and a second detection module, the first detection module is used for detecting the comprehensive concentration Q1 of carbon monoxide and nitrogen oxides in the air, and the second detection module is used for detecting the comprehensive concentration Q2 of volatile oil gas in the air; the gas detection device is electrically connected with the controller, and the detection result of the gas detection device is sent to the controller.
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| CN202110934556.8A CN113522019A (en) | 2021-08-16 | 2021-08-16 | Air purification equipment for biological treatment of kitchen waste |
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| CN202110934556.8A CN113522019A (en) | 2021-08-16 | 2021-08-16 | Air purification equipment for biological treatment of kitchen waste |
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