CN212299327U - Air purification and disinfection system in school teaching building - Google Patents
Air purification and disinfection system in school teaching building Download PDFInfo
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- CN212299327U CN212299327U CN202020476771.9U CN202020476771U CN212299327U CN 212299327 U CN212299327 U CN 212299327U CN 202020476771 U CN202020476771 U CN 202020476771U CN 212299327 U CN212299327 U CN 212299327U
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- air
- corridor
- fresh air
- disinfection
- building
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 37
- 238000004887 air purification Methods 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 10
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 230000001954 sterilising effect Effects 0.000 claims description 18
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- 230000001877 deodorizing effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 241000700605 Viruses Species 0.000 abstract description 8
- 241000894006 Bacteria Species 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 abstract description 7
- 208000035473 Communicable disease Diseases 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000004332 deodorization Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 241000711573 Coronaviridae Species 0.000 description 2
- MVOSNYGTDFGKIB-UHFFFAOYSA-N [F].[Cu] Chemical compound [F].[Cu] MVOSNYGTDFGKIB-UHFFFAOYSA-N 0.000 description 2
- 230000002458 infectious effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 206010035664 Pneumonia Diseases 0.000 description 1
- 241000702670 Rotavirus Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 206010041925 Staphylococcal infections Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 208000015688 methicillin-resistant staphylococcus aureus infectious disease Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
An air purification and disinfection system in a school teaching building, comprising: the fresh air heat exchangers are respectively arranged in each classroom, and the air inlet of the air inlet pipe of the fresh air heat exchanger and the air outlet of the air exhaust main pipe are respectively arranged on different sides of the building body. The fresh air heat exchanger is installed at a position close to the ceiling, the foul air discharge main pipe is longitudinally arranged along the corridor on the ceiling of the corridor, two ends of the foul air discharge main pipe extend out of walls at two ends of the corridor, an indoor circulating sterilization and disinfection air purifier is arranged in the corridor, and a heat pump type fresh air heating unit is installed indoors in a toilet or an adjacent toilet. The utility model has the advantages that: the fresh air heat exchanger is used for increasing the ventilation volume of the classroom, and the purpose of reducing the concentration of infectious diseases is achieved. And stabilizing the indoor temperature difference. The corridor is additionally provided with a sodium hypochlorite air disinfection deodorizer for blocking and killing viruses and bacteria in the building. The heat pump type fresh air heating unit is used, so that dirty air of the sewage discharge system is prevented from entering a toilet.
Description
Technical Field
The utility model belongs to the environmental protection field, concretely relates to intensive teaching building outdoor air suction of personnel, indoor foul gas discharge and supplementary disinfection system.
Background
In a teaching building in a school, people are dense, and in a classroom, the metabolism of the indoor people is influenced along with the increase of the proportion of air exhaled by the indoor people and the reduction of the oxygen content, so that people are cacheable. The bad body surface sanitation and sick people in the crowd disperse the peculiar smell, bacteria and viruses indoors, so that the indoor air becomes a transmission medium of the bacteria and the viruses and threatens the indoor crowd health. In cold regions, influenza is a frequently encountered disease in schools. The ventilation by windowing is influenced by wind power and wind direction outside the building, and the indoor ventilation is insufficient and unstable. Especially in cold areas in winter, the window opening time is limited, and window opening ventilation cannot be expected. In the past, few teaching institutions with good conditions install an air inducing and exhausting ventilation fan in a classroom, but neglect the separation of a sucked fresh air area and a foul air discharging area outside a building, and are easy to generate foul air backflow. Meanwhile, no auxiliary disinfection facilities are arranged in the building, so that the hidden danger of virus and bacterium persistence exists in a corridor with large cross quantity of personnel and ventilation dead angles.
In addition, an exhaust fan for exhausting foul air is arranged in the toilet of each floor in the teaching building. However, in the season of closing doors and windows, the air exhaust machine can relatively reduce the air pressure in the toilet, so that foul air in a sewage discharge system (comprising a branch drain pipe, a main drain pipe, an inspection well and an underground sewage pipe network) which has odor and contains a large amount of bacteria and viruses is sucked into the toilet, the environment of the toilet is worsened, and the health of a toilet entering person is harmed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a teaching building air purification system of school for the renewal and the supplementary disinfection of air in the teaching building overcome among the prior art not enough to the above-mentioned of teaching building air purification existence.
The utility model discloses an air purification and disinfection system in school's teaching building is including installing the new trend heat exchanger in each classroom respectively, communicates outdoor new trend heat exchanger air-supply line respectively, communicates house steward, wherein of airing exhaust of each new trend heat exchanger exhaust pipe, and the different sides at the building body are established respectively to new trend heat exchanger air-supply line air intake and house steward's air exit.
In order to ensure that the fresh air sucked into the classroom is rapidly and uniformly diffused indoors, the fresh air heat exchanger is arranged at a position close to the ceiling, and the air outlet of the fresh air heat exchanger is connected with a horizontal transverse I-shaped fresh air discharge pipe to form four air outlets dispersed at the end of the I-shaped fresh air discharge pipe.
For rational layout foul gas discharge pipe and avoid discharging to the outside of the building foul gas diffusion to the new trend heat exchanger air intake one side of the building body as far as possible, foul gas discharge house steward is vertically set up along the corridor at the corridor ceiling, the wall body at corridor both ends is stretched out to foul gas discharge house steward both ends, valve and draught fan are installed to foul gas discharge house steward both ends, refer to the outside wind direction and select foul gas discharge house steward's exhaust end.
In order to prevent foul air discharged by an exhaust main pipe of an exhaust pipe of the fresh air heat exchanger from staying around a building body and entering an air inlet installation area of the fresh air heat exchanger to return to the building, a deodorizing sterilizer is installed in the exhaust main pipe, and the deodorizing sterilizer is a sterilizing device suitable for sterilizing by an ultraviolet lamp and a plasma purifier.
For the air in clean teaching building corridor, the utility model discloses a further perfection is: indoor circulating sterilization and disinfection air purifiers are distributed in the corridor.
For the air in clean teaching building corridor, the utility model discloses a further perfection is: sterilizing, disinfection air purifier select for use sodium hypochlorite air disinfection deodorizer, sodium hypochlorite air disinfection deodorizer install the well lower part at the corridor wall, exhaust clean air leads to the hole and is close to the corridor ceiling with the pipe.
In order to prevent the foul air of the sewage system from being sucked into the toilet due to the air exhaust of the toilet, the utility model discloses a further perfection is: at the indoor installation heat pump type fresh air heating unit in bathroom or adjacent bathroom, heat pump type fresh air heating unit comprises wind path module and water route module, the wind path module have air intake and air outlet side casing, the air-supply line and the exhaust pipe of connecting the casing, condenser, fan, the air filter screen of the heat pump in the casing constitute, the entry of air-supply line is located outdoors, near corridor bathroom door opening is stretched into in the export of exhaust pipe, the water route module have water inlet and water outlet side casing, connect the inlet tube and the outlet pipe of casing, the evaporimeter, the electrical compressor, the expansion valve of heat pump in the casing to and electrical system constitutes, water route module and wind path module adopt fluorine way copper union coupling.
In order to enable the heat pump type fresh air heating unit to be used in a state of acceptable low operation cost, the heating medium of the water channel module selects the return water of the heat supply secondary network as a fresh air heat source, and the water channel module is connected in series on a return water pipeline of the secondary network.
The utility model has the advantages that: the suction of fresh air and the discharge of foul air are respectively arranged on different sides of a building body, the building outer vertical surface is divided into a clean area and a foul area, the interval between the fresh air and the exhaust air is pulled away remotely, the air in each layer of classroom is ensured to be led in from the clean area, and the discharged foul air is difficult to enter the classroom again. The fresh air heat exchanger is used to increase the ventilation volume of classroom, so that it not only can dilute the infectious microparticles, but also can attain the goal of reducing infection pathogenic concentration (so-called infectious dose). And the energy exchange of preheating and precooling is carried out on the air, so that 70% of energy of the indoor air can be reserved, and the indoor temperature cannot be influenced even if the temperature difference is large.
The sodium hypochlorite air disinfection and deodorization machine is additionally arranged in the corridor, dirty air in the corridor is sucked through the disinfection and deodorization machine, a weak hypochlorous acid air curtain is formed after disinfection and sterilization, viruses and bacteria are prevented from being disinfected and killed, odor in a toilet is prevented from diffusing into a classroom, and the purpose of decomposing the bacteria and the viruses within 24 hours is achieved.
The heat pump type fresh air heating unit is used for eliminating air pressure drop caused by air exhaust in the toilet, so that dirty air of the sewage discharge system is prevented from entering the toilet, and the health of people in the toilet is facilitated.
Drawings
FIG. 1 is a plan view of the installation layout of the fresh air heat exchanger, the sodium hypochlorite air sterilization and deodorization machine and the heat pump type fresh air heating unit in a building.
FIG. 2 is a side view of the installation layout of the fresh air heat exchanger, the sodium hypochlorite air sterilization and deodorization machine and the heat pump type fresh air heating unit in a building.
Fig. 3 is the structure diagram of the heat pump type fresh air heating unit of the present invention.
Detailed Description
Referring to fig. 1 and 2, the utility model discloses a teaching building air purification system includes: fresh air heat exchangers 2 which are respectively arranged in classrooms 1-1 in a building body 1, fresh air heat exchanger air inlet pipes 2-1 which are respectively communicated with the outside and air exhaust main pipes 2-3 which are communicated with the air exhaust pipes of the fresh air heat exchangers, wherein the inlets of the fresh air heat exchanger air inlet pipes 2-1 and the air outlets of the air exhaust main pipes 2-3 are respectively arranged on different sides of the building body 1. The fresh air heat exchanger 2 is arranged in a classroom 1-1 and close to a ceiling, and an air outlet of the fresh air heat exchanger is connected with a horizontal transverse (vertical to the front and the back of the classroom) I-shaped fresh air discharge pipe 2-2 to form four air outlets dispersed at the end of the I-shaped fresh air discharge pipe. The main air exhaust pipe 2-3 is arranged on the ceiling of the corridor 1-2 along the longitudinal direction of the corridor, and a deodorizing and sterilizing device is arranged in the main air exhaust pipe 2-3. The deodorizing and sterilizing device is preferably conventional sterilizing equipment suitable for sterilization, such as an ultraviolet lamp, a plasma purifier and the like. The two ends of the main exhaust duct 2-3 extend out of the walls at the two ends of the corridor 1-2, valves and draught fans are arranged at the two ends of the main exhaust duct, and the opening end of the main exhaust duct is selected according to the wind direction outside the building.
Referring to fig. 1 and 2, an indoor circulating sterilizing and disinfecting air purifier 3 is distributed in a corridor 1-2, the sterilizing and disinfecting air purifier 3 is preferably a sodium hypochlorite air sterilizing and deodorizing machine, the sterilizing and disinfecting air purifier 3 is arranged at the middle lower part of the wall of the corridor 1-2, and exhausted clean air is guided to a ceiling with holes close to the corridor 1-2 by a conduit.
The technical principle of the sodium hypochlorite air disinfection and deodorization machine is that a low-concentration hypochlorous acid solution generated by electrolyzing saline solution is utilized to fully contact air sucked into the machine with a filter screen soaked with the hypochlorous acid solution through air circulation, so that the effects of air disinfection and deodorization are achieved. Because degerming and deodorization process all accomplish inside the machine, be different from the tradition and spray the disinfection mode, hypochlorous acid solution and outside air and human respiratory contactless, only very little chlorine volatilizees along with the wind curtain. The chlorine content in the air in the environment is less than 0.2 mg/cubic meter measured by an authority, and is lower than the limit concentration of 1 mg/cubic meter in the national safety specification GBZ 2.1.1-2007 'workplace harmful factor occupational contact limit value chemical harmful factor'. The foreign authorities detect that the purifying rate of the virus H1N1, the virus EV71, the rotavirus and the MRSA virus reaches 99.9 percent. "New coronavirus pneumonia diagnosis and treatment plan (trial sixth edition) issued in 2020 in China indicates that" a chlorine-containing disinfectant can effectively inactivate the new coronavirus ".
Referring to fig. 1 and 3, a heat pump type fresh air heating unit is installed in a toilet 1-3 and consists of an air path module 4 and a water path module 5, wherein the air path module is provided with an air inlet, an air outlet square casing 4-1, an air inlet and an air outlet which are connected with the casing, a condenser 4-2, a fan 4-3 and an air filter screen 4-4 of a heat pump in the casing 4-1, the air inlet is positioned outdoors, the air outlet is connected with an air guide pipe 4-5, and an outlet of the air guide pipe 4-5 extends to the vicinity of a doorway of the toilet 1-3 of the corridor. The water path module 5 comprises a casing 5-1 with a water inlet and a water outlet, a water inlet pipe 5-2 and a water outlet pipe 5-3 connected with the casing, an evaporator 5-4 of a heat pump in the casing 5-1, an electric compressor 5-5, an expansion valve 5-6 and an electric control system, and the water path module 5 is connected with the air path module 4 by a fluorine copper pipe 6.
The water way module heating medium preferably takes the return water 7 of the heat supply secondary network as a fresh air heat source, and the water way module 5 is connected in series on the return water pipeline 7 of the secondary network.
An evaporator in a water path module of the heat pump type fresh air heating unit absorbs low-temperature heat of return water of a secondary network through a water inlet pipeline and a water outlet pipeline, the low-temperature heat absorbed by the evaporator is converted into high-temperature high-pressure gaseous fluorine by working of an electric heat pump electric compressor, the high-temperature high-pressure gaseous fluorine is guided into a condenser arranged in the air path module through a fluorine copper tube, power is provided by a fan of the air path module, outdoor cold air is introduced into the air path module, after the cold air fully exchanges heat with the condenser, the temperature of the cold air is increased, the temperature of the gaseous fluorine in the condenser is reduced, the cold air is condensed into high-pressure low-temperature liquid fluorine, the high-pressure low-temperature liquid fluorine is decompressed into low-temperature.
The fresh air exhausted by the heat pump type fresh air unit is pressurized, and a pressurization area is formed in a corridor close to a toilet door. The sewage in the sewage discharge system is prevented from entering the toilet by utilizing the pressure difference between the area and the toilet to flow into the toilet for pressurization.
Claims (8)
1. The utility model provides an interior air purification of school's teaching building and disinfection system which characterized by: the air-conditioning system comprises fresh air heat exchangers respectively installed in classrooms, fresh air heat exchanger air inlet pipes respectively communicated with the outside of the classrooms, and air exhaust main pipes communicated with the fresh air heat exchanger air exhaust pipes, wherein air inlets of the fresh air heat exchangers and air outlets of the air exhaust main pipes are respectively arranged on different sides of a building body.
2. The air purification and disinfection system in a school teaching building as claimed in claim 1, wherein: fresh air heat exchanger install and be close to the ceiling position, horizontal I-shaped fresh air discharge pipe is connected to fresh air heat exchanger air outlet, forms four air outlets of dispersion at I-shaped fresh air discharge pipe end.
3. The air purification and disinfection system in a school teaching building as claimed in claim 1, wherein: the foul air discharging main pipe is longitudinally arranged on the ceiling of the corridor along the corridor, the two ends of the foul air discharging main pipe extend out of the wall bodies at the two ends of the corridor, the two ends of the foul air discharging main pipe are provided with a valve and an induced draft fan, and the exhaust end of the foul air discharging main pipe is selected according to the wind direction outside the building.
4. The air purification and disinfection system in a school teaching building as claimed in claim 1, wherein: the deodorizing and sterilizing device is arranged in the air exhaust main pipe and is a sterilizing device suitable for sterilizing by an ultraviolet lamp and a plasma purifier.
5. The air purification and disinfection system in a school teaching building as claimed in claim 1, wherein: indoor circulating sterilization and disinfection air purifiers are distributed in the corridor.
6. The air purification and disinfection system as claimed in claim 5, wherein said air purification and disinfection system comprises: sterilizing, disinfection air purifier select for use sodium hypochlorite air disinfection deodorizer, sodium hypochlorite air disinfection deodorizer install the well lower part at the corridor wall, exhaust clean air leads to the hole and is close to the corridor ceiling with the pipe.
7. The air purification and disinfection system in a school teaching building as claimed in claim 1, wherein: at the indoor installation heat pump type fresh air heating unit in bathroom or adjacent bathroom, heat pump type fresh air heating unit comprises wind path module and water route module, the wind path module have air intake and air outlet side casing, the air-supply line and the exhaust pipe of connecting the casing, condenser, fan, the air filter screen of the heat pump in the casing constitute, the entry of air-supply line is located outdoors, near corridor bathroom door opening is stretched into in the export of exhaust pipe, the water route module have water inlet and water outlet side casing, connect the inlet tube and the outlet pipe of casing, the evaporimeter, the electrical compressor, the expansion valve of heat pump in the casing to and electrical system constitutes, water route module and wind path module adopt fluorine way copper union coupling.
8. The air purification and disinfection system as claimed in claim 7, wherein said air purification and disinfection system comprises: the heating medium of the waterway module selects the return water of the heat supply secondary network as a fresh air heat source, and the waterway module is connected in series on a return water pipeline of the secondary network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476771.9U CN212299327U (en) | 2020-04-03 | 2020-04-03 | Air purification and disinfection system in school teaching building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476771.9U CN212299327U (en) | 2020-04-03 | 2020-04-03 | Air purification and disinfection system in school teaching building |
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| Publication Number | Publication Date |
|---|---|
| CN212299327U true CN212299327U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020476771.9U Expired - Fee Related CN212299327U (en) | 2020-04-03 | 2020-04-03 | Air purification and disinfection system in school teaching building |
Country Status (1)
| Country | Link |
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| CN (1) | CN212299327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833511A (en) * | 2021-01-07 | 2021-05-25 | 常州工学院 | Self-circulation novel coronavirus air purification method and device |
-
2020
- 2020-04-03 CN CN202020476771.9U patent/CN212299327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833511A (en) * | 2021-01-07 | 2021-05-25 | 常州工学院 | Self-circulation novel coronavirus air purification method and device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |