CN112569743B - A zeolite-based harmful gas removal machine for vegetable cold storage - Google Patents
A zeolite-based harmful gas removal machine for vegetable cold storage Download PDFInfo
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- CN112569743B CN112569743B CN202011443017.6A CN202011443017A CN112569743B CN 112569743 B CN112569743 B CN 112569743B CN 202011443017 A CN202011443017 A CN 202011443017A CN 112569743 B CN112569743 B CN 112569743B
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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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a zeolite-based vegetable refrigerator harmful gas removal machine, which comprises a box body, wherein an air guide channel is arranged in the box body, an air inlet fan and an exhaust fan are respectively arranged at two ends of the air guide channel, a plurality of columnar filter material modules, a first sterilization module, a second sterilization module and a plurality of honeycomb filter material modules are sequentially arranged in the box body along the air guide channel, the air guide channel comprises a plurality of air guide pipes and a plurality of conical air guide covers, the large ends of the conical air guide covers are connected with the air guide pipes or the exhaust fan, the air guide pipes penetrate through the center of the modules to the air outlet side of the modules, electric valves are arranged in the air guide pipes penetrating through the center of the modules, and the air guide pipes at the front sides of the air inlet sides of the modules are all provided with reversing devices which comprise a plurality of valve plates hinged to the air guide pipes.
Description
Technical Field
The invention belongs to the technical field of cabin refrigeration house air purification equipment, and particularly relates to a zeolite-based vegetable refrigeration house harmful gas remover.
Background
Vegetables are rich in various vitamins, minerals and proteins required by human bodies, and are an important food indispensable to human beings. Because vegetables are seasonal products, the improvement of the storage and preservation time of the vegetables has strong practical significance for improving economic benefits, solving the problem of long-distance storage and transportation and improving the life of ocean, mountain and island areas.
The shipborne vegetable refrigerator has a plurality of harmful gases in the storage environment, such as ethylene, acetaldehyde, ethanol, hydrogen sulfide, formaldehyde, sulfur dioxide and the like. Most domestic ships are not provided with a special harmful gas removal device, an ethylene removal machine or an ozone generator is arranged in a refrigerator of each ship, and the two types of equipment have certain limitation in removing harmful gas. The foreign refrigerator is additionally provided with an ethylene removing machine taking potassium permanganate as an oxidant, but has obvious defects that firstly, the quality of fruits and vegetables is damaged by cauterized gas generated after the potassium permanganate is oxidized, and secondly, the filter material needs to be replaced after moisture absorption, so that the service period is short, the regeneration is difficult, and the maintenance cost is high. Ozone generated by the ozone generator has strong oxidizing property, although the ozone can kill bacteria, the loss of nutrition of fruits and vegetables is not ignored, and the gradual accumulation of ozone concentration in the closed cabin seriously harms the health of human bodies, so that the ozone generator is forbidden to be used in personnel activities at present.
At present, the air purification of the closed space basically adopts a purification scheme using active carbon as a main filter material, but because the active carbon is mostly of an amorphous porous structure, the pore size distribution is very wide, the selectivity of the active carbon on the adsorption substances is lacking, the ion exchange capability is not provided, once the active carbon is saturated in adsorption or the concentration of the self-adsorbed harmful gas is higher than the ambient concentration, the inhaled gas can be released, the active carbon must be replaced frequently, and the maintenance cost is high.
The invention patent with publication number of CN111467927A relates to a harmful gas remover based on zeolite, and provides equipment for removing harmful gas in ship refrigeration houses by using zeolite, active carbon and sterilization equipment. The removing machine realizes the removal of harmful gas by means of the excellent performance of zeolite, thereby prolonging the fresh-keeping period of fruits and vegetables, improving the air quality of the cabin of the ship and ensuring the physical and psychological health of crews. However, the removing machine needs to store different fruit and vegetable varieties according to different refrigerators and freezers, uses and installs different filtering materials, adopts various types of equipment with different types, has smaller application range, cannot adapt to the requirements of removing harmful gases from different fruits and vegetables according to different quantities of fruit and vegetable varieties stored in shipborne freezers in the ocean navigation distance season of ships, and is also not suitable for the requirements of removing harmful gases from different refrigerator environments on the same ship, and has the advantages of fixed structure, single function, inconvenient use and limited application range.
Disclosure of Invention
The invention aims to provide a zeolite-based vegetable refrigerator harmful gas remover, which can realize the access selection of a filter module through an air guide reversing structure, is suitable for the use of various types of fruit and vegetable refrigerators, is convenient for the centralized removal of harmful gases of different refrigerators, and is flexible and convenient to use.
The vegetable freezer harmful gas removing machine comprises a box body, wherein an air guide channel is arranged in the box body, an air inlet fan and an air outlet fan are respectively arranged at two ends of the air guide channel, the air inlet fan and the air outlet fan are respectively arranged on two opposite side walls of the box body, a plurality of columnar filter material modules, a first sterilization module, a second sterilization module and a plurality of honeycomb filter material modules are sequentially arranged in the box body along the air guide channel, the air guide channel comprises a plurality of air guide pipes and a plurality of conical air guide covers, the air guide pipes and the conical air guide covers are alternately arranged, the conical air guide covers are in one-to-one correspondence with the modules, the large ends of the conical air guide covers are connected with the air guide pipes or the air outlet fans, the air guide pipes penetrate through the center of the modules to the air outlet sides of the modules, electric valves are respectively arranged in the air guide pipes penetrating through the center of the modules, the air guide pipes on the front sides of the air inlet sides of the modules are respectively provided with reversing devices, the valve plates are hinged to the outer sides of the air guide pipes, the air guide pipes are respectively provided with air exchange through holes, the air guide plates are respectively arranged in a mode of one-to-one correspondence to-one, the outer sides of the electric valve plates are hinged with the electric valve plates, and the telescopic rods are respectively arranged in a circle mode, and are in correspondence to the telescopic rods.
Further, silk floss is arranged on the side wall of the box body outside the air inlet machine.
Further, the columnar filter material modules comprise a plurality of columnar filter materials arranged in an array, and the number of the columnar filter material modules and the number of the honeycomb filter material modules arranged along the air guide channel are three.
Further, zeolite particles are filled in the columnar filter material modules, and zeolite particles or a mixture of zeolite particles and activated carbon particles are filled in the honeycomb filter material modules.
Further, the first sterilization module is an ultraviolet sterilization lamp, and the second sterilization module is an electrostatic dust collection module or an electrocoagulation module.
Further, the air guide pipe at one end of the box body is connected with the air inlet machine, and the small end of the conical air guide cover at the other end of the box body is connected with the exhaust fan.
Further, the outside of the two ends of the box body is respectively connected with an air inlet pipe and an exhaust pipe, and the air inlet pipe and the exhaust pipe are respectively communicated with the air inlet fan and the exhaust fan.
Further, the number of the air guide channels arranged in the box body is not less than two. The air guide channels are mutually independent, and the partition plates are arranged in the box body, so that the air guide channels and the auxiliary modules are independent in ventilation and do not interfere with each other.
The beneficial effects of the invention are as follows:
The harmful gas remover can effectively remove ripening harmful gases such as ethylene, acetaldehyde, hydrogen sulfide and the like in a shipborne refrigeration house, and aldehyde, ketone, ester and alcohol harmful chemical substances, prolong the fresh-keeping time of vegetables and fruits, effectively kill harmful bacteria in the refrigeration house, play a role in protecting air, prevent epidemic situation diffusion and have the function of electrostatic dust removal;
The invention is provided with a plurality of columnar filter material modules, a plurality of honeycomb filter material modules and double sterilization modules, and can realize the selection of connecting and disconnecting each module into the air guide channel through the main air guide channel and the reversing device, so that the filtering of harmful gas is more diversified, the adaptability is stronger, and the invention can be suitable for the removal of harmful gas of different types of fruit and vegetable refrigerators;
through the alternate use of the modules, the invention not only can ensure the removal rate of harmful gases and meet the air purification requirement, but also can greatly prolong the maintenance period of equipment and the replacement period of filter materials, prolong the fresh-keeping period of fruits and vegetables, improve the air quality, ensure the physical and mental health of crews, and is convenient to use and time-saving and labor-saving;
The invention is convenient for arranging a plurality of groups of air guide channels, simultaneously independently completes the removal of harmful gases in a plurality of different refrigerators, meets diversified requirements, is convenient for management and saves space.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a partial structure of an air guiding channel according to the present invention.
Fig. 3 is a schematic diagram of an integrated structure of a multi-wind-guiding channel according to a second embodiment of the present invention.
In the figure, 1, a box body, 2, an air guide channel, 3, a first sterilization module, 4, a second sterilization module, 5, a columnar filter material module, 6, a honeycomb filter material module, 7, a conical air guide cover, 8, an electric valve, 9, a valve plate, 10, an electric telescopic rod, 11, an annular frame, 12, an air inlet machine, 13, an exhaust fan, 14, silk floss, 15 and an air guide pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, directly connected, indirectly connected via an intermediate medium, or in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1-2, the embodiment provides a zeolite-based vegetable refrigerator harmful gas removal machine, which comprises a box body 1, wherein an air guide channel 2 is arranged in the box body 1, two ends of the air guide channel 2 are respectively provided with an air inlet fan 12 and an air outlet fan 13, the air inlet fan 12 and the air outlet fan 13 are respectively arranged on two opposite side walls of the box body 1, a plurality of columnar filter material modules 5, a first sterilization module 3, a second sterilization module 4 and a plurality of honeycomb filter material modules 6 are sequentially arranged in the box body 1 along the air guide channel 2, the air guide channel 2 comprises a plurality of air guide pipes 15 and a plurality of conical air guide covers 7, the air guide pipes 15 and the conical air guide covers 7 are alternately arranged, the conical air guide covers 7 are in one-to-one correspondence with the modules, the large ends of the conical air guide covers 7 are connected with the air guide pipes 15 or the air outlet fans 13, the air guide pipes 15 penetrate through the center of the modules to the air outlet sides of the modules, electric valves 8 are respectively arranged in the air guide pipes 15 penetrating through the centers of the modules, the air guide pipes 15 on the front sides of the air guide sides of the modules are respectively provided with reversing devices, the air guide pipes 15 on the front sides of the air guide sides of the modules comprise reversing valves 9 which are hinged to be arranged, the electric guide valves 9 are respectively and correspond to the annular guide pipes 9 and the annular guide pipes 9 are arranged on the outer sides of the annular guide frames 11, the annular guide pipes 11 are correspondingly arranged with the annular guide pipes 11, the annular guide pipes 11 are correspondingly arranged, and the annular guide channels 11 are correspondingly arranged.
In this embodiment, floss 14 is disposed on the side wall of the box 1 outside the air intake 12.
In this embodiment, the columnar filter modules 5 include a plurality of columnar filters arranged in an array, and the number of columnar filter modules 5 and honeycomb filter modules 6 arranged along the air guide channel 2 is three.
In this embodiment, the columnar filter modules 5 are filled with zeolite particles, and the honeycomb filter modules 6 are filled with zeolite particles or a mixture of zeolite particles and activated carbon particles.
In this embodiment, the first sterilization module 3 is an ultraviolet sterilization lamp, and the second sterilization module 4 is an electrostatic dust collection module or an electrocoagulation module.
In this embodiment, the air guide pipe 15 at one end of the box 1 is connected with the air inlet machine 12, and the small end of the conical air guide cover 7 at the other end is connected with the exhaust fan 13.
In this embodiment, the outer sides of the two ends of the box body 1 are respectively connected with an air inlet pipe and an air outlet pipe, and the air inlet pipe and the air outlet pipe are respectively communicated with the air inlet machine 12 and the air outlet machine 13.
Example two
Referring to fig. 1,2 and 3, the embodiment provides a zeolite-based vegetable refrigerator harmful gas removal machine, which comprises a box body 1, wherein an air guide channel 2 is arranged in the box body 1, two ends of the air guide channel 2 are respectively provided with an air inlet fan 12 and an air outlet fan 13, the air inlet fan 12 and the air outlet fan 13 are respectively arranged on two opposite side walls of the box body 1, a plurality of columnar filter material modules 5, a first sterilization module 3, a second sterilization module 4 and a plurality of honeycomb filter material modules 6 are sequentially arranged in the box body 1 along the air guide channel 2, the air guide channel 2 comprises a plurality of air guide pipes 15 and a plurality of conical air guide covers 7, the air guide pipes 15 and the conical air guide covers 7 are alternately arranged, the conical air guide covers 7 correspond to the modules one by one, the large ends of the conical air guide covers 7 cover the air outlet sides of the modules, the small ends of the conical air guide pipes 15 or the air outlet fans 13 are connected with the air guide pipes 15, and the air guide pipes 15 penetrate through the centers of the modules to the air outlet sides of the modules; the air guide pipes 15 penetrating through the center of the module are provided with electric valves 8, the air guide pipes 15 at the front side of the air inlet side of the module are provided with reversing devices, each reversing device comprises a plurality of valve plates 9 hinged to the air guide pipes 15, the circumferences of the valve plates 9 are uniformly distributed on the outer sides of the air guide pipes 15, the air guide pipes 15 are provided with air exchanging through holes corresponding to the valve plates 9, the outer sides of the air guide pipes 15 are provided with annular frames 11, electric telescopic rods 10 are hinged between the annular frames 11 and the valve plates 9, and the electric telescopic rods 10 are in one-to-one correspondence with the valve plates 9.
In this embodiment, the number of the air guiding channels 2 provided in the case 1 is not less than two. The air guide channels 2 are mutually independent, and the partition plates are arranged in the box body 1, so that the air guide channels 2 and the auxiliary modules thereof are ventilated independently and do not interfere with each other.
In this embodiment, floss 14 is disposed on the side wall of the box 1 outside the air intake 12.
In this embodiment, the columnar filter modules 5 include a plurality of columnar filters arranged in an array, and the number of columnar filter modules 5 and honeycomb filter modules 6 arranged along each air guide channel 2 is three.
In this embodiment, the columnar filter modules 5 are filled with zeolite particles, and the honeycomb filter modules 6 are filled with zeolite particles or a mixture of zeolite particles and activated carbon particles.
In this embodiment, the first sterilization module 3 is an ultraviolet sterilization lamp, and the second sterilization module 4 is an electrostatic dust collection module or an electrocoagulation module.
In this embodiment, the air guide pipe 15 at one end of the box 1 is connected with the air inlet machine 12, and the small end of the conical air guide cover 7 at the other end is connected with the exhaust fan 13.
In this embodiment, the outer sides of the two ends of the box body 1 are respectively connected with an air inlet pipe and an air outlet pipe, and the air inlet pipe and the air outlet pipe are respectively communicated with the air inlet machine 12 and the air outlet machine 13.
When the air conditioner is used, the air inlet machine 12 and the air exhaust machine 13 work to enable air in a refrigerator to circulate through the air guide channel 2, the air passes through the floss 14 to filter impurities and dust in the air at first, whether the air guide air passes through each module can be adjusted according to the switch of the electric valve 8 and the reversing device, the electric valve 8 of the air guide pipe 15 is closed, the electric telescopic rod 10 of the reversing device is contracted, the valve plate 9 is opened, the air guide pipe 15 is not ventilated any more, the air enters the air guide pipe 15 from the air exchanging through hole of the air guide pipe 15 and passes through a module outside the air guide pipe 15 to carry out corresponding air filtration, and the air enters the next air guide pipe 15 through the collection of the conical air guide cover 7 on the air outlet side of the module. Conversely, when the electric valve 8 of the air guide pipe 15 is opened, the electric telescopic rod 10 extends out, the valve plate 9 seals the air exchange through hole, air directly passes through the air guide pipe 15, does not pass through a module outside the air guide pipe 15 any more, and enters the next air guide pipe 15 through the next conical air guide cover 7, and skips over the module;
The electric telescopic rod 10 can be replaced by a spring telescopic rod, when the electric valve 8 corresponding to the wind direction downstream of the reversing device is closed, the air pressure is increased by pushing the valve plate 9 from inside to outside, the hinged valve plate 9 compresses the spring telescopic rod, the valve plate 9 is automatically opened, air passes through the module to be filtered, and conversely, when the electric valve 8 is opened, the air directly passes through the air guide pipe 15, so that the pressure in the air guide pipe 15 is normal, the valve plate 9 is closed under the elastic pressing of the spring telescopic rod, and the filtering of the module at the position is not performed.
The box body 1 of the invention adopts a high-strength waterproof and anti-impact shell and IP56 protection level, the zeolite filter material can be reused, the service life of the filter material is long, the maintenance period is long, the gaps among zeolite particles can be partially filled with the filter material and the activated carbon which are mixed by the zeolite particles and the activated carbon particles, air leakage is prevented, the adsorption effect is influenced, and most importantly, after the activated carbon is added, the instant removing capability of the filter material is greatly enhanced, and although the activated carbon is saturated, the adsorbed toxic and harmful gas can be reversely released, but the released toxic and harmful gas can be adsorbed and solidified in the cavity by the zeolite particles, so that secondary pollution from the activated carbon is avoided.
The embodiment of the invention has the advantages that when two columnar filter material modules 5 and a first sterilization module 3 are adopted for filtration and other modules are not used for filtration, the air flow is better, the air pressure is low, the energy is saved, the removal rate per unit time is better, the instantaneous removal capability is poorer than that of the scheme 2, the method is suitable for a refrigerator with smaller volume or a single storage dish, the scheme II is that when two honeycomb filter material modules 6 and the first sterilization module 3 are adopted for filtration and other modules are not used for filtration, the instantaneous removal capability of harmful gas is high, the method is suitable for a refrigerator with various fruit and vegetable mixed loading, the scheme III is that when one columnar filter material module 5, one honeycomb filter material module 6 and the first sterilization module 3 are adopted for filtration and other modules are not used for filtration, the instantaneous removal rate of harmful gas can be improved relative to the scheme 1, the air flow is better than that of the scheme 2 is suitable for a refrigerator with larger volume, the scheme IV is that when three columnar filter material modules 5 and the first sterilization module 3 are adopted for filtration and other modules are not used for filtration, the air pressure is less, the energy is saved, the instantaneous removal capability of harmful gas is better than that when the three columnar filter material modules 5 and the first sterilization module 3 are adopted for filtration and the other modules are not used for filtration, the instantaneous removal of the harmful gas is higher than that when the first columnar filter material module 5 and the other modules are adopted for the filtration and the other modules are adopted for the refrigerator with the other modules are adopted for filtration and the filtration, the scheme 6 is suitable for increasing the instantaneous removal rate of harmful gas to be better than that when the filtration rate is suitable for the filtration and the first filtration and the other than the filtration module 4 is suitable for the filtration and the filtration rate is relatively easy to be increased, and the instantaneous removal rate is suitable for the filtration and is better than the filtration and is used for the filtration and is better for the filtration and can be respectively. The method is suitable for a refrigerator for mixing various fruits and vegetables, and adopts a seventh scheme that when two honeycomb filter material modules 6, one columnar filter material module 5 and the first sterilization module 3 are adopted for filtration and other modules are not adopted for filtration, the removal rate of harmful gas is improved relative to the method 4, the air flow is increased relative to the method 5, the method is suitable for mixing various fruits and vegetables, and the refrigerator is provided with a refrigerator which is easy for one product to produce catalytic reaction with other products, and the method adopts an eighth scheme that when the two honeycomb filter material modules 6, the one columnar filter material module 5 and the second sterilization module 4 are adopted for filtration and the other modules are not adopted for filtration, the electrostatic dust collection performance is greatly improved. The scheme is adjusted and set up in a flexible way variously, and no more detailed description is given.
In the second part of the embodiment of the invention, three independent air guide channels 2 can simultaneously adopt three schemes to remove harmful gases in refrigeration houses in three occasions, thereby meeting diversified requirements, realizing centralized control, being convenient to manage and saving space.
While the principles and embodiments of the present invention have been described in detail in this application, the foregoing embodiments are provided to facilitate understanding of the principles and concepts of the invention and are further provided by one of ordinary skill in the art to which the invention pertains.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011443017.6A CN112569743B (en) | 2020-12-11 | 2020-12-11 | A zeolite-based harmful gas removal machine for vegetable cold storage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011443017.6A CN112569743B (en) | 2020-12-11 | 2020-12-11 | A zeolite-based harmful gas removal machine for vegetable cold storage |
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| CN112569743B true CN112569743B (en) | 2024-12-10 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215842364U (en) * | 2020-12-11 | 2022-02-18 | 中国卫星海上测控部 | Vegetable cold storage harmful gas removing machine based on zeolite |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1273353B (en) * | 1994-03-01 | 1997-07-08 | Domenico Brancato Snc Di Franc | PROCEDURE FOR THE STORAGE AND RIPENING OF FRUIT AND VEGETABLE PRODUCTS IN SPECIES IN REFRIGERATOR CELLS |
| FR3026020B1 (en) * | 2014-09-24 | 2016-12-02 | Seb Sa | FILTRATION DEVICE FOR AIR PURIFICATION APPARATUS |
| CN108568213B (en) * | 2018-06-25 | 2024-03-29 | 广州澳企实验室技术股份有限公司 | Bench type laboratory air pollutant removing machine |
| KR20200055265A (en) * | 2018-11-13 | 2020-05-21 | 주식회사 아이비머티리얼즈 | Air purifier having photocatalytic filter and zeolite filter |
| CN111482064A (en) * | 2020-03-31 | 2020-08-04 | 常州机电职业技术学院 | A kind of plasma purification device and purification method of waste gas in heat treatment workshop |
| CN111467927B (en) * | 2020-04-15 | 2022-08-23 | 陆宬宸 | Harmful gas remover based on zeolite |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215842364U (en) * | 2020-12-11 | 2022-02-18 | 中国卫星海上测控部 | Vegetable cold storage harmful gas removing machine based on zeolite |
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