CN111467927A - Harmful gas remover based on zeolite - Google Patents
Harmful gas remover based on zeolite Download PDFInfo
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- CN111467927A CN111467927A CN202010294787.2A CN202010294787A CN111467927A CN 111467927 A CN111467927 A CN 111467927A CN 202010294787 A CN202010294787 A CN 202010294787A CN 111467927 A CN111467927 A CN 111467927A
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 91
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- 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
-
- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/14—Filtering means
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0275—Other waste gases from food processing plants or kitchens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention provides a harmful gas remover based on zeolite, comprising: the shell, first adsorption unit and second adsorption unit can also include functional module, and wherein, first adsorption unit is stand array filter media or honeycomb filter media, and the second adsorption unit is stand array filter media or honeycomb filter media. The harmful gas remover forms continuous microcirculation in a sealed space through a fan arranged on a shell, adsorbs, decomposes, sterilizes and reabsorbes continuously generated harmful gas, and effectively removes radioactive aerosol, radioactive nuclides and radioactive dust; harmful germs in the cold storage and the cabin of people are effectively killed, and the cold storage and the cabin of people play a role in killing viruses in the air when an epidemic situation occurs, so that the spread of the epidemic situation is prevented; effectively remove harmful gas, prolong the fresh-keeping time of vegetables and fruits, and ensure the health of personnel.
Description
Technical Field
The invention belongs to the field of environment-friendly equipment, and relates to a harmful gas remover based on zeolite.
Background
The fruits and vegetables still perform life activities as life organisms in the storage process, so that the fruits and vegetables can finish quality changes such as maturation, aging and the like. In the process, the fruits and vegetables need to generate gases such as carbon dioxide, ethylene and the like. The types, the maturation stages and the storage conditions of causal vegetables are different, and the rate of carbon dioxide and ethylene generation of the fruits and vegetables is greatly different. The carbon dioxide concentration is accumulated to a certain degree, so that people feel uncomfortable when entering a warehouse, people can feel faint when the concentration is too high, and carbon dioxide poisoning of certain fruits and vegetables can be caused. The accumulation of ethylene can promote the maturity and aging of a plurality of fruits and vegetables, so that the air-conditioned storage for storing the kiwi fruits requires that the ethylene concentration in the storage is not more than 0.02ppm, and the aging of ethylene sensitive vegetables such as broccoli, lettuce and the like can be obviously accelerated under the condition of 0.1ppm of ethylene. In addition, different fruits and vegetables can produce some chemical substances with characteristic properties, and the chemical substances relate to aldehydes, ketones, esters and alcohols. The peculiar smell components generated when fruits and vegetables are rotten are more complicated. In addition, the humidity in the refrigeration house is high, which is beneficial to the growth of microorganisms such as mould and bacteria, not only directly increases the possibility of disease and rot of fruits and vegetables, but also generates musty taste. The peculiar smell in the cold storage makes people who work in the cold storage feel uncomfortable. Under the condition of mixed storage of various fruits and vegetables, the problem of taint of odor between fruits and vegetables also exists, for example, when the potatoes and the apples are stored separately, no peculiar smell is generated, but when the potatoes and the apples are stored together, the apples have earthy taste, so that when the conditions are allowed, a plurality of specific kinds of fruits and vegetables are stored separately.
The land refrigeratory uses potassium permanganate as a main material to remove ethylene, only single ethylene can be solved, and the filter material can cause the backflow of burning gas and damage the quality of vegetables and fruits. However, in general, in the land refrigerator, ventilation is periodically performed, and fresh air is introduced to replace the air in the refrigerator, thereby eliminating the influence of the undesirable gas components in the refrigerator and diluting microorganisms in the air. In some cold storages, air in the cold storage is pumped into a strong alkali purification tank, and the air is returned to the cold storage after carbon dioxide and other gases are removed. In the closed-loop controlled atmosphere storage, the air in the storage is purified by additionally arranging an ethylene remover, a carbon dioxide remover and an air closed-loop cycle, and the open-loop controlled atmosphere storage achieves the purpose of purifying the air in the storage by detecting the air and controlling new nitrogen and air to be input into the diluted storage. In addition, the commercial cold storage, particularly the air-conditioned cold storage, is used for storing single fruits and vegetables, so that the problems of taint and ethylene interference between fruits and vegetables are basically avoided.
The cold storage on ships is less, various fruits and vegetables must be stored in a mixed mode, and the problem of taint of odor is difficult to avoid. And the cold storage is not ventilated as in a cold storage on land. Although some storehouses are also provided with an ozone generator and an ethylene remover, the problems of peculiar smell, ethylene, taint of odor and the like still commonly exist. Different fruits and vegetables also produce some chemicals with characteristic properties, and the chemicals relate to aldehydes, ketones, esters and alcohols. The peculiar smell components generated when fruits and vegetables are rotten are more complicated. In addition, the humidity in the refrigeration house is high, which is beneficial to the growth of microorganisms such as mould and bacteria, and directly increases the possibility of disease and rot of fruits and vegetables, and generates musty taste. The ship is relatively closed in working and living cabins, and adopts a central air-conditioning and air-exchanging system, but the air-exchanging quantity is not more than 50%. The odor of the body of the shipman, carbon dioxide, physiological exhaust, sweat odor, peculiar smell and salt fog generated by shoes and socks, odor generated by heating of electronic equipment, and mold, bacteria, viruses and the like attached to the humid environment are mixed together and cannot be effectively eliminated, the health of the shipman is seriously influenced in the environment for long-term life, and meanwhile, the safety of the equipment is also influenced by the gases.
The air purification device for living cabins and civil rooms generally takes active carbon as a main material, and harmful gas and moisture in the air are continuously absorbed, and the adsorbed harmful gas in the pore cavity is released when the concentration of the harmful gas is higher than the environmental concentration, which also means that the physical characteristics of the active carbon determine the defects of the air purification device, and even if the qualified active carbon is used for 72 hours, the air purification device reaches a saturated state.
When a major public health incident occurs, particularly when serious respiratory diseases spread by air, spray and aerosol occur, medical staff can wear the mask and wear the protective clothing to rescue patients when working, but the protective clothing cannot be worn by the mask 24 hours all day long, the mask is taken off when a rest, and the risk of exposure to bacteria and virus threats still exists after the protective clothing is taken off. When a major public health incident occurs in a special closed environment such as a ship, the risk that medical staff and ship-related staff are exposed to a dangerous environment is greatly increased.
When the special flammable and combustible articles are filled and removed, once the special flammable and combustible articles leak, the life safety of personnel can be endangered.
In the event of a war or radiological exposure event, the personnel involved need to avoid in an underground shelter or an enclosed space with radiological protection. However, the radioactive nuclides are easily absorbed in airborne dust, so that the radioactive nuclides are dispersed in the air, and the life safety of personnel is also threatened when the underground place is attacked by the nuclear or leaked from the nuclear.
Therefore, there is a need to develop an air purification device that can comprehensively remove odor substances in the warehouse, reduce microorganisms, remove toxic and harmful gases such as ethylene and the like, kill harmful bacteria, ensure personnel safety, and remove radioactive aerosol, radioactive nuclide and radioactive dust, so as to be suitable for air purification in ship spaces and land limited spaces.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a harmful gas remover based on zeolite, which uses zeolite as a main material, can solve the problems of formaldehyde, ethylene, acetaldehyde, ethanol, ammonia nitrogen, carbon monoxide, carbon dioxide, sulfur dioxide, hydrogen sulfide and other gases, can sterilize while removing harmful gas, has the killing rate of mould of more than 80 percent, can prolong the fresh-keeping time of vegetables and fruits in a cold storage, can effectively remove PM2.5, and can effectively remove radioactive aerosol, radioactive nuclide and radioactive dust; harmful germs in the cold storage and the cabin of people are effectively killed, and the cold storage and the cabin of people play a role in killing viruses in the air when an epidemic situation occurs, so that the spread of the epidemic situation is prevented; the effect of guaranteeing the health of personnel in personnel activity areas.
In order to achieve the above object, the present invention provides a harmful gas remover based on zeolite, comprising: a housing, a first adsorption unit and a second adsorption unit;
wherein, one end of the shell is provided with an air inlet, and the other end is provided with an air outlet; the air inlet end of the shell is provided with a first adsorption unit, and the air outlet end of the shell is provided with a second adsorption unit;
the air inlet is covered with silk floss, or two or more fans are arranged;
two or more fans are arranged at the air outlet;
the shell is arranged above the fan and is provided with a control unit.
The fan adopts two or more to be used for guaranteeing still to have reserve fan when certain one or more fan breaks down and can't in time repair, does not influence the normal use of harmful gas desorption machine.
Further, the system comprises a functional module.
Preferably, the functional module is a medical sterilization unit, an intensive sterilization unit or a dust and oxygen removal unit.
Preferably, the medical sterilization unit consists of an ultraviolet lamp with a wavelength of 254nm and a negative ion generator.
Preferably, the negative ion generating module is a small-particle-size negative ion generator.
Preferably, the intensive sterilization unit is a 185nm wavelength ultraviolet lamp.
Preferably, the dust removal oxygen supply unit consists of an electrostatic dust removal module, an electrocoagulation module and a dispersive oxygen supply module.
Preferably, the first adsorption unit is one or more honeycomb filter materials and/or one or more upright post filter material arrays; the second adsorption unit consists of one or more honeycomb filter materials and/or one or more upright post filter material arrays; the upright post filter material array is formed by arranging a plurality of upright post filter materials.
Wherein, the honeycomb filter material is filled with zeolite particles with the particle size of 2.5-8mm, or the zeolite particles with the particle size of 2.5-8mm and cylindrical activated carbon particles with the particle size of 1-5mm according to the proportion of 50-70%: 30-50% of mixed mixture by volume ratio, and zeolite particles with the particle size of 2.5-8mm are filled in the column filter material array.
Preferably, the control unit is a power switch and/or a time relay.
The zeolite-based harmful gas remover provided by the invention can realize different purposes by using or not using different functional modules. When the functional module is not used, the device is mainly used in the environments of filling and unloading special flammable and explosive articles; when the powerful sterilization unit is used, the device is mainly used for a ship refrigeration house; when the medical sterilization unit is used, the medical sterilization unit is mainly used for ship personnel cabins, medical places and related places (such as hotels, restaurants, convention centers, residential buildings and the like) when major public health incidents occur, and is used for adsorbing body odor, carbon dioxide, physiological exhaust, sweat odor, salt fog generated by shoes and socks, odor generated by heating of electronic equipment, various bacteria and viruses generated by breeding, and anions generated by an anion generator are beneficial to personnel health; when the dust removal oxygen supply unit is used, the dust removal oxygen supply unit can be suitable for environments polluted by radioactive dust after wars.
The invention mainly uses an ultraviolet lamp tube in a sterilization module (a medical sterilization unit and a powerful sterilization unit) for sterilization, the ultraviolet is the prior preferred air sterilization method, and the ultraviolet lamp with 70 microwatts can kill most of bacteria and viruses after being irradiated for 1 hour, especially the bacteria or viruses with envelope which have long survival time in the air, such as coronavirus, influenza virus and the like which can be transmitted by spray or aerosol. Wherein 185nm wavelength's ultraviolet lamp is owing to can produce ozone, consequently can not be used for the place that has personnel to come in and go out, and 254nm wavelength's ultraviolet lamp can not produce ozone though direct irradiation can produce the injury to human skin and eyes, consequently wraps up the ultraviolet lamp in functional module in this application, makes the ultraviolet lamp can exert its sterilization function through the fan air supply, has avoided its injury to personnel again.
The zeolite particles used in the invention can also adsorb toxic and harmful substances in a water environment in a targeted manner, and the adsorption space of the zeolite particles cannot be occupied due to moisture in the air when the zeolite particles are used for purifying the air, so that the use time of the zeolite particles is greatly prolonged by using the active carbon, various harmful gases are adsorbed into the pore cavities of the zeolite particles for solidification, and the harmful substances cannot be released when the concentration of the adsorbed harmful gases in the filter material is higher than the environmental concentration.
The invention has the beneficial effects that:
the invention provides a harmful gas remover based on zeolite, which can effectively remove ethylene, acetaldehyde, hydrogen sulfide and other ripening harmful gases in a ship refrigerator, and aldehyde, ketone, ester and alcohol harmful chemical substances, and prolong the fresh-keeping time of vegetables and fruits; harmful gases, salt fog, carbon dioxide, physiological exhaust and the like generated by the heating of electronic equipment in the cabin of the personnel can be effectively removed, and the health of the personnel is guaranteed; harmful germs in a refrigeration house, a personnel cabin and a medical institution can be effectively killed, an air protection effect is realized when major public health events occur, and epidemic situation diffusion is prevented; the machine type with the dust removal and supply unit can effectively adsorb the radioactive nuclide in the air, and once the underground position is attacked by the nuclear or leaked by the nuclear, the personnel damage can be reduced, and the fighting capacity can be kept; when special inflammable and explosive articles are filled and unloaded, once leakage occurs, the protective effect is achieved when life safety of personnel is endangered. The harmful gas remover can be applied to a novel gas mask after being miniaturized, and can effectively filter various mixed chemicals and harmful gas generated by explosion; the harmful gas remover can also be widely applied to gas purification of closed spaces of chemical plants, pharmaceutical factories and the like; the method belongs to the fields of preservation of vegetables and fruits in various refrigeration houses, desulfurization of working condition enterprises, treatment of automobile exhaust and the like.
Drawings
Fig. 1 is a schematic structural view of a harmful gas remover based on zeolite according to a first preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of a harmful gas remover based on zeolite according to a second preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a harmful gas remover based on zeolite according to a third preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of a harmful gas remover based on zeolite according to a fourth preferred embodiment of the present invention.
Fig. 5 is a schematic structural view of a harmful gas remover based on zeolite according to a fifth preferred embodiment of the present invention.
Fig. 6 is a schematic structural view of a harmful gas remover based on zeolite according to a sixth preferred embodiment of the present invention.
Fig. 7 is a schematic structural view of a harmful gas remover based on zeolite according to a seventh preferred embodiment of the present invention.
Fig. 8 is a schematic structural view of a harmful gas remover based on zeolite according to an eighth preferred embodiment of the present invention.
Fig. 9 is a schematic structural view of a harmful gas remover based on zeolite according to a ninth preferred embodiment of the present invention.
Fig. 10 is a schematic structural view of a harmful gas remover based on zeolite according to a tenth preferred embodiment of the present invention.
Fig. 11 is a structure of a harmful gas remover based on zeolite according to an eleventh preferred embodiment of the present invention.
Reference numerals
1: a housing; 11: an air inlet; 111: silk floss; 112: a fan; 113: a control unit; 12: an air outlet; 121: a fan; 122: a control unit; 2: a functional module; 21: a medical sterilization unit; 211: 254nm ultraviolet lamp tube; 212: a negative ion generator; 22: a strong extinction module; 221: 185nm ultraviolet lamp tube; 3: a first adsorption unit; 4: a second adsorption unit; 5: a column filter material array; 6: a honeycomb filter.
Detailed Description
The following detailed and complete description of the embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.
The column filter material array or the honeycomb filter material used by the invention adopts zeolite particles prepared by the method with the patent number Z L201010278007.1 as a filling material, the particle size range of the zeolite particles is expanded to 2.5-8mm according to the using effect, the zeolite particles are loaded into a stainless steel column filter screen when the column filter material is prepared, and then a plurality of stainless steel column filter screens loaded with the zeolite particles are arrayed to form the zeolite particle column filter material array, the zeolite particles or the zeolite particles and active carbon particles are mixed and loaded into a plastic or nylon honeycomb organ filter screen according to the volume ratio of 50-70% to 30-50% when the honeycomb filter material is prepared, so that the honeycomb filter material is prepared.
When zeolite particles and activated carbon particles are mixed and added, the volume ratio is 50-70%: 30-50%, the activated carbon particles are ordinary commercial cylindrical activated carbon particles with the particle size range of 1-5mm, the zeolite particles and the activated carbon particles are different in size, and the activated carbon in the filter material can increase the instantaneous adsorption value of the filter material and can play a role in plugging in effect. The activated carbon is saturated quickly due to the absorption of moisture in the air, and can be adsorbed by the zeolite particles when toxic and harmful substances are reversely released, so that the toxic and harmful substances are not released again.
Example 1
As shown in fig. 1, a harmful gas remover based on zeolite, which is a first preferred embodiment of the present invention, comprises: a housing 1, a first adsorption unit 3 and a second adsorption unit 4;
wherein, one end of the shell 1 is provided with an air inlet 11, the air inlet 11 is provided with two fans 112, the shell 1 above the fans 112 is provided with a control unit 113, and the control unit 113 is a power switch; in the present example and the examples described later, the shape of the case 1 was a rectangular parallelepiped having a length of 60cm, a width of 25cm and a height of 30 cm.
A first adsorption unit 3 is arranged at the end of an air inlet 11 in the shell 1, and the first adsorption unit 3 consists of two groups of upright post filter material arrays 5; a second adsorption unit 4 is arranged at the end of the air outlet 12 in the shell 1, and the second adsorption unit is composed of two groups of honeycomb filter materials 6. Wherein the first adsorption unit is filled with zeolite particles, and the second adsorption unit is filled with zeolite particles.
During the use, start the fan, the air gets into from the air intake of harmful gas desorption machine, adsorbs once through first adsorption element, carries out the air of secondary absorption back with the harmful gas desorption through the second adsorption element again and is seen off by the air outlet.
Particularly, when the embodiment is used for filling and dismounting special inflammable and explosive articles, once the special inflammable and explosive articles leak, the protection effect is realized when the life safety of personnel is endangered, and because the inflammable and explosive gas environment cannot have high-voltage discharge and electric sparks, the special type equipment has no functional module and no time controller; the blower and the power switch are all explosion-proof.
Example 2
As shown in fig. 2, a harmful gas remover based on zeolite, which is a second preferred embodiment of the present invention, comprises: the device comprises a shell 1, a functional module 2, a first adsorption unit 3 and a second adsorption unit 4;
wherein, one end of the shell 1 is provided with an air inlet 11, and the air inlet 11 is covered with silk floss 111 for blocking salt mist and rectifying; the opposite end is provided with an air outlet 12, and the air outlet 12 is provided with two fans 121 to drive air to flow; the control unit 122 is arranged on the casing 1 above the fan 121, the control unit 122 is a power switch and a time relay, the power switch controls the fan 121 to be turned on and off, and the time relay controls the sterilization module 21 to be turned on and off at regular time, so that the harmful gas remover can be turned on for the time and times of automatic sterilization according to the requirement.
A functional module 2 is arranged in the middle of the shell 1, in the embodiment, the functional module 2 is a medical sterilization unit 21, the medical sterilization unit 21 is composed of a 254nm ultraviolet lamp tube 211 and an anion generator 212, wherein the anion generator 212 adopts a small-particle-size anion generator, and the small-particle-size anion generator does not generate ozone, does not cause ozone pollution, and does not bring discomfort to the activities of people; be provided with first adsorption unit 3 between this medical sterilization unit 21 at air intake 11 end, this first adsorption unit 3 chooses for use the stand filter media array 5 of filling alone by the zeolite granule in this embodiment, is provided with second adsorption unit 4 between air outlet 12 end and this medical sterilization unit 21, and this second adsorption unit 3 also chooses for use the stand filter media array 5 of filling alone by the zeolite granule.
During the use, start fan and medical sterilization unit, the air gets into from the air intake of harmful gas desorption machine, adsorbs once through first absorption unit, then sterilizes the air through medical sterilization unit, carries out the clean air of secondary absorption back with the harmful gas desorption through the second absorption unit again and is seen off by the air outlet.
Because the zeolite particles do not adsorb negative ions and can release the negative ions to realize an exchange process when toxic and harmful substances are solidified, the negative ions generated in the negative ion generator can not be adsorbed by the adsorption unit and can be released into the space when the medical sterilization unit is used, and the health condition of cabin personnel can be improved.
The personnel cabin is an independent compartment and is provided with a fresh air system, and ethylene does not need to be removed instantly, so the energy-saving noise reduction and the service life of the filter material are more considered in the embodiment used in the personnel cabin, and the single zeolite particle filter material is used to have longer service life and larger harmful gas exchange amount compared with the filter material mixed by zeolite particles and activated carbon particles in consideration of public health emergencies (such as infectious diseases such as influenza A, novel coronavirus pneumonia and the like), and the virus in the air can be rapidly killed.
The harmful gas remover provided by the embodiment can be applied to 100m3The space for activities of other personnel in the environment is closed, such as the space applied to the cabin of the ship; under the driving of the fan, the air forms continuous microcirculation in the sealed space, the odor generated by heating of electronic equipment, the odor generated by physiological exhaust and sweat odor of personnel in the cabin and the odor and salt mist generated by shoes and socks can be adsorbed and removed by the two adsorption units, the ozone is not generated by the ultraviolet lamp with the wavelength of 254nm, the discomfort brought to the personnel by the concentration of the ozone in the limited space can not be caused, the ozone can not be generated by using the small-particle-size anion generator, the common anion generator which generates the ozone when the ozone is wet is not used in the invention, so the discomfort brought to the personnel can not be caused, the harm to the human body by the ozone can be prevented, and meanwhile, the generated small-particle-size anions are beneficial to the health of the personnel. Because zeolite adsorbs and ultraviolet sterilization, harmful gas desorption machine can also effectively kill the harmful bacteria in the personnel cabin in this embodiment, plays the air protection effect when the epidemic situation takes place, prevents the effect of epidemic situation diffusion. The embodiment can also be applied to medical institutions, can remove harmful gas in spaces containing infection sources, can kill bacteria and viruses floating in the air, such as influenza viruses and coronavirus, and provides safe and comfortable working environments and rest environments for the medical institutions. The harmful gas remover in the embodiment can also be applied to hotels, office buildings and other relatively closed space environments.
Example 3
As shown in fig. 3, a harmful gas remover based on zeolite, which is a third preferred embodiment of the present invention, comprises: the device comprises a shell 1, a functional module 2, a first adsorption unit 3 and a second adsorption unit 4;
wherein, one end of the shell 1 is provided with an air inlet 11, and the air inlet 11 is covered with silk floss 111 for blocking salt mist and rectifying; the opposite end is provided with an air outlet 12, and the air outlet 12 is provided with two fans 121 to drive air to flow; a control unit 122 is arranged on the housing 1 above the fan 121, the control unit 122 is a time relay, and the time relay can control the power sterilization unit 22 to be turned on and off at regular time, and the power sterilization unit can be turned on and off no more than 10 times in a day.
A functional module 2 is arranged in the middle of the shell 1, in the embodiment, the functional module 2 is a strong sterilization unit 22, and the strong sterilization unit 22 is two 185nm ultraviolet lamp tubes 221;
be provided with first adsorption unit 3 between 11 ends of air intake and this strong sterilization unit 22, this adsorption unit 3 chooses for use the stand filter media array 5 of packing zeolite granule in this embodiment, is provided with second adsorption unit 4 between 12 ends of air outlet and this strong sterilization unit 22, and this second adsorption unit 4 chooses for use the stand filter media array 5 of packing zeolite granule.
During the use, start the fan, the air gets into from the air intake of harmful gas desorption machine, adsorbs once through first absorption unit, then disinfects the air through powerful sterilization unit, carries out the air of secondary absorption after the second absorption unit again and sees off the air of harmful gas desorption by the air outlet.
The harmful gas remover provided by the embodiment can be applied to 100m3The ship refrigeration house in the inner space can effectively remove ethylene, acetaldehyde, hydrogen sulfide and other ripening harmful gases, aldehyde, ketone, ester and alcohol harmful chemical substances in the refrigeration house, prolong the fresh-keeping time of vegetables and fruits, generate 185nm ultraviolet rays to generate ozone, realize the sterilization effect by combining the ultraviolet rays and the ozone, and start to sterilize after the 185nm ultraviolet rays are started for 10 minutes.
Example 4
As shown in fig. 4, a fourth preferred embodiment of the present invention is different from embodiment 3 in that both the first adsorption unit 3 and the second zeolite unit 4 used in this embodiment are honeycomb filter material 6, wherein the first adsorption unit is filled with a mixture of zeolite particles and activated carbon particles, and the second adsorption unit is filled with zeolite particles.
The front and rear columnar arrays are adopted in the embodiment 3, so that the air fluidity is good, the air pressure is small, the energy is saved, the instant harmful gas removing capability is slightly poorer than that of the embodiment 3, but the removing rate is good in unit time of a closed space, and the device is suitable for a refrigeration house with smaller volume or single stored dishes.
In example 4, the honeycomb filter material used has high instantaneous capability of removing harmful gases, but the air fluidity is poorer than that in example 3, the working load of the fan is relatively large, and a fan with higher power needs to be used, so that the honeycomb filter material is suitable for a refrigeration house for mixing various vegetables and fruits.
Example 5
As shown in fig. 5, a fifth preferred embodiment of the present invention is different from embodiment 3 in that the second adsorption unit 4 adopted in this embodiment is a honeycomb filter material 6, so that the forms of the two adsorption units in this embodiment are different. Wherein the first adsorption unit is filled with zeolite particles, and the second adsorption unit is filled with zeolite particles.
Example 6
As shown in fig. 6, a sixth preferred embodiment of the present invention is different from embodiment 3 in that the first adsorption unit 3 adopted in this embodiment is a honeycomb filter material 6, so that the forms of the two adsorption units in this embodiment are different. Wherein the first adsorption unit is filled with a mixture of zeolite particles and activated carbon particles, and the second adsorption unit is filled with zeolite particles.
Examples 5-6 use a combination of a cylindrical array and a honeycomb filter, wherein example 6 uses a cylindrical array in front, a sterilization module in the middle, and a honeycomb filter in the back; or the column array is arranged at the back, the sterilization module is arranged in the middle, the honeycomb filter material is arranged at the front, the combination mode adopted by the embodiments 5-6 can improve the instant removal rate of harmful gas compared with the embodiment 3, and can reduce the working load of the fan and increase the air fluidity compared with the embodiment 4. Suitable for volumes close to 100m3The refrigeration house of (2).
Since more than 0.1ppm of ethylene in a refrigerator is sufficient to rapidly age vegetables in the refrigerator, acetaldehyde is generated, and ethanol is generated again, rapid removal of ethylene is required to ensure freshness of the vegetables. Therefore, when the filter material is used in a refrigerator with a large amount of dishes, a large storage capacity and a poor air circulation, the filter material with the activated carbon is considered to be used. In the first adsorption units of the embodiments 4 and 6, the honeycomb filter material of the mixed material of zeolite particles and activated carbon particles is used to increase the instantaneous adsorption effect of activated carbon on ethylene. Although the active carbon has the problem of moisture adsorption, water molecules in the cold storage are mainly absorbed on the condensation pipe, and moisture adsorbed by the active carbon is continuously pumped out in the cold storage environment, so that the instant adsorption efficiency of the active carbon on ethylene is not influenced.
Example 7
As shown in fig. 7, a harmful gas remover according to a seventh preferred embodiment of the present invention includes: the method comprises the following steps: the device comprises a shell 1, a functional module 2, a first adsorption unit 3 and a second adsorption unit 4;
wherein, one end of the shell 1 is provided with an air inlet 11, the air inlet 11 is provided with two fans 112, the shell 1 above the fans 112 is provided with a control unit 113, the control unit 113 is a time relay, the time relay can control the powerful sterilization unit 22 to be opened and closed at regular time, and the opening and closing of the powerful sterilization unit can be set for no more than 10 times in a day;
an air outlet 12 is arranged at the opposite end, two fans 121 are arranged at the air outlet 12, a control unit (not shown in the figure) is arranged on the shell 1 above the fans 112, the control unit is a time relay, and the time relay can control the timing on and off of the fans 112;
a strong sterilization unit 22 is arranged in the middle of the shell 1, and the strong sterilization unit 22 is composed of two 185nm ultraviolet lamp tubes 221; a first adsorption unit 3 is arranged between the end of the air inlet 11 and the strong sterilization unit 22, the first adsorption unit 3 uses a column filter material array 5, and a second adsorption unit 4 is arranged between the end of the air outlet 12 and the strong sterilization unit 22 and is composed of two groups of column filter material arrays 5. Wherein the first adsorption unit is filled with zeolite particles, and the second adsorption unit is filled with zeolite particles.
During the use, start fan and powerful sterilization unit, the air gets into from the air intake of harmful gas desorption machine, adsorbs once through first absorption unit, then disinfects the air through powerful sterilization unit, carries out the air of secondary absorption back with the harmful gas desorption through the second absorption unit again and is seen off by the air outlet. Because the quantity of stand filter media array has been increased, the resistance that the air passed through increases, consequently also changes the air intake into the fan for air supply strength increases, is suitable for bigger space area.
Example 8
As shown in fig. 8, in an eighth preferred embodiment of the harmful gas remover based on zeolite according to the present invention, unlike embodiment 7, both the first adsorption unit and the second adsorption unit are replaced with honeycomb filter media 6.
Example 9
As shown in fig. 9, a harmful gas remover according to a ninth preferred embodiment of the present invention is different from embodiment 7 in that one of the second group of adsorption units 4 is replaced with a honeycomb filter 6.
Example 10
As shown in fig. 10, in a harmful gas remover based on zeolite according to a tenth preferred embodiment of the present invention, unlike embodiment 7, both sets of adsorption units near the air outlet are replaced with honeycomb filters 6.
Examples 7 to 10 are for 100m3The ship refrigeration house can be applied to 100m after the powerful sterilization unit is replaced by the medical sterilization unit3The above ship cabin.
When the embodiments 7 to 10 are applied to a ship cold storage, the honeycomb filter material used in the first adsorption unit may be filled with a mixed material of zeolite particles and activated carbon particles, and when the honeycomb filter material is applied to a passenger compartment, the zeolite particles may be directly filled.
The cabin of personnel on the naval vessel is for alone the compartment and be equipped with the new trend system, and need not desorption ethylene in the twinkling of an eye, consequently more can consider the life of energy-conserving noise reduction and filter media when using in the cabin of personnel, and consider when the public health incident of outburst (for example infectious diseases such as first class, novel coronavirus pneumonia), use single zeolite granule filter media to compare the filter media that zeolite granule and active carbon granule mix, have longer life and bigger harmful gas exchange capacity, can kill the virus in the air fast.
Example 11
As shown in fig. 11, the harmful gas remover based on zeolite according to the eleventh preferred embodiment of the present invention is different from embodiment 10 in that the function module is replaced with a dust-removing oxygen supply module 23, and the dust-removing oxygen supply module 23 is composed of an electrostatic dust-removing module 231, an electrocoagulation module 232 and a diffusion oxygen supply module 233.
Wherein a mixture of zeolite particles and activated carbon particles is packed using the first adsorption unit 3 to provide instant desorption capacity.
Due to the strong hazard of the radioactivity of the radionuclide to personnel and equipment, the personnel need to avoid in the underground shelter or the closed space with radioactive protection when a war or radioactive leakage accident occurs. However, the radionuclide is easily adsorbed in airborne dust, so that radioactivity is dispersed in the air, and at this time, the harmful gas remover of the present embodiment is used in an underground shelter or a closed space, wherein zeolite particles have an adsorption function for the radionuclide, the first adsorption unit adsorbs large-particle dust with the radionuclide, the electrostatic precipitation module 231 adsorbs or solidifies small particles in the decelerated airborne dust, and the electrocoagulation module 232 condenses sub-micron radioactive aerosol with a particle size range of 0.1-1 μm into large agglomerates, so that the second adsorption unit further adsorbs the radionuclide by solidification deceleration through electrostatic precipitation, so that no radioactive residue is left in the air sent out from the air outlet. The diffusive oxygen supply module 233 can continuously release oxygen to provide sufficient oxygen supply for people in the enclosed space. Meanwhile, radionuclide contamination is often an emergency, so that an instant removal effect needs to be provided, and the first adsorption unit 3 can provide the instant removal effect by using a mixture filter material filled with zeolite particles and activated carbon particles, so that the injury to personnel is reduced.
The harmful gas remover provided by the embodiment is applied to the refrigeration storage and the living cabin of the ocean-going ship, and achieves good effects, wherein the fresh-keeping time of vegetables and fruits in the refrigeration storage is prolonged to 30-40 days from 10-15 days, and the perfectness rate of the vegetables and fruits is improved to more than 85% from 40%. The air quality of the living accommodation is also greatly improved.
The activation and regeneration of the zeolite particles can be completed in an oven or an oven with the temperature of 200-400 ℃ for 2-5 hours, the zeolite particles for a cold storage are activated once in half a year, the zeolite particles for a cabin are activated once in a year, the activation can be carried out 18 times by theoretical calculation, and in order to ensure the adsorption efficiency, the new material is replaced after the activation is carried out 10 times generally. The zeolite particles are replaced directly when adsorbing radioactivity without regeneration.
After the mixture of the filled zeolite particles and the activated carbon particles is screened out, the zeolite particles are activated by adopting the method, and the activated carbon particles are activated by adopting a conventional activation method.
It can be seen from the above embodiments that the harmful gas remover based on zeolite provided by the present invention can be applied to the refrigeration storage and living cabin of an ocean vessel, and can also be applied to the purification of radioactive contaminated environment after the dust removal and supply unit is replaced.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (10)
1. A zeolite-based noxious gas remover, comprising: a housing, a first adsorption unit and a second adsorption unit;
wherein, one end of the shell is provided with an air inlet, and the other end is provided with an air outlet; the air inlet end of the shell is provided with a first adsorption unit, and the air outlet end of the shell is provided with a second adsorption unit;
the air inlet is covered with silk floss, or two or more fans are arranged;
two or more fans are arranged at the air outlet;
the shell is arranged above the fan and is provided with a control unit.
2. The zeolite-based noxious gas remover according to claim 1, further comprising a function module.
3. The zeolite-based noxious gas remover according to claim 2, wherein the function module is a medical sterilization unit, an intensive sterilization unit, or a dust-removal oxygen supply unit.
4. The zeolite-based noxious gas remover according to claim 3, wherein the medical sterilization unit is composed of one or more uv lamps of 254nm wavelength, and one or more negative ion generators.
5. The zeolite-based noxious gas remover according to claim 4, wherein the anion generator is a small-particle-size anion generator.
6. The zeolite-based noxious gas remover according to claim 3, wherein the intensive sterilization unit is one or more ultraviolet lamps of 185nm wavelength.
7. The zeolite-based noxious gas remover according to claim 3, wherein the dust-removing oxygen supply unit is comprised of an electrostatic dust-removing module, an electrocoagulation module and a diffusion oxygen supply module.
8. The zeolite-based noxious gas remover according to any one of claims 1 to 7, wherein the first adsorption unit is one or more honeycomb filters, and/or one or more pillar filter arrays; the second adsorption unit consists of one or more honeycomb filter materials and/or one or more upright post filter material arrays; the upright post filter material array is formed by arranging a plurality of upright post filter materials.
9. The zeolite-based noxious gas remover according to claim 8, wherein the honeycomb filter is filled with zeolite particles having a particle size of 2.5-8mm, or zeolite particles having a particle size of 2.5-8mm and cylindrical activated carbon particles having a particle size of 1-5mm in a ratio of 50-70%: 30-50% of mixed mixture by volume ratio, and the column filter material is only filled with zeolite particles with the particle size of 2.5-8 mm.
10. The zeolite-based noxious gas remover according to claim 1, wherein the control unit is a power switch, or a power switch and a time relay.
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