CN112303796A - Prevent infectious department of hospital from using ward breather - Google Patents
Prevent infectious department of hospital from using ward breather Download PDFInfo
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- CN112303796A CN112303796A CN202010025432.3A CN202010025432A CN112303796A CN 112303796 A CN112303796 A CN 112303796A CN 202010025432 A CN202010025432 A CN 202010025432A CN 112303796 A CN112303796 A CN 112303796A
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- chamber
- filter screen
- air
- infectious department
- ventilation device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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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
Abstract
The invention discloses a ward ventilation device for infectious departments for preventing nosocomial infection, which comprises an air inlet channel, a purification chamber, a disinfection chamber and a filter screen, wherein an air extractor is installed at the opening at the lower end of the air inlet channel, an exhaust channel is fixed on the right side of the air inlet channel, an air exhauster is installed at the opening at the lower end of the exhaust channel, protective covers are connected to the lower portions of the air exhauster and the air extractor, the purification chamber is connected to the left end of the air inlet channel, a filter chamber is installed at the left end of the purification chamber, the disinfection chamber is connected to the right end of the exhaust channel, and a sterilization chamber is installed at the right end of the disinfection. The air entering the isolation chamber is filtered by the purification chamber and the filter chamber, so that the air in the isolation chamber is more suitable for patients to rest, and the disinfection chamber and the sterilization chamber are arranged to disinfect the air discharged from the isolation chamber, so that the transmission of germs in an air duct is reduced, and further, the occurrence of nosocomial infection accidents is reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a ward ventilation device for an infectious department, which can prevent nosocomial infection.
Background
Infectious diseases are diseases caused by various pathogens which are mostly microorganisms and are small parasites and can be transmitted among humans, animals or both, and the pathogens are also called parasitic diseases. The infectious diseases are characterized by having pathogens, infectivity and epidemicity, and immunity after infection, some infectious diseases have seasonality or endermity, the classification of the infectious diseases is not unified, some infectious diseases are classified according to the pathogens, some infectious diseases are classified according to the transmission ways, and the prevention of the infectious diseases adopts comprehensive measures which take the main transmission link as the leading measure. The transmission and prevalence of the infectious diseases must have 3 links, namely, the infection source, the transmission path and the susceptible person, and if one link can be completely cut off, the occurrence and prevalence of the infectious diseases can be prevented. Some pathogens can be freely dispersed in the air, can float in the air for a long time and move for a long distance, mainly by means of respiratory system infection, and at present, patients suffering from respiratory system infection are often isolated and treated in an infection department of a hospital, so that the possibility of the transmission of the infection is reduced.
However, the ventilation effect of the isolation room of the infectious department in the hospital is poor at present, the supply of indoor fresh air is insufficient, the recovery of a patient is not facilitated, and meanwhile, the exhaust ventilation device of the existing isolation room is difficult to sterilize and disinfect the air exhausted from the isolation room, so that pathogens are easily spread and infected inside the ventilation duct, and the problem of nosocomial infection is easily caused.
Disclosure of Invention
The invention aims to provide a ward ventilation device for an infectious department for preventing nosocomial infection, which solves the problems that the ventilation effect of an isolation room of the infectious department in the existing hospital is poor, the supply of indoor fresh air is insufficient, and the recovery of a patient is not facilitated, and meanwhile, the exhaust ventilation device of the existing isolation room is difficult to sterilize and disinfect the air exhausted from the isolation room, so that pathogens are easy to spread and infect in a ventilation duct, and nosocomial infection is very easy to cause.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent infectious department of hospital from using ward breather, includes inlet channel, clean room, disinfection room and filter screen, the air extractor is installed to inlet channel's lower extreme opening part, and inlet channel's right side is fixed with exhaust passage, the air exhauster is installed to exhaust passage's lower extreme opening part, and the below of air exhauster and air extractor all is connected with the protection casing, the clean room is connected in inlet channel's left end, and the left end of clean room installs the filter chamber, the disinfection room is connected in exhaust passage's right-hand member, and the retort room is installed to the right-hand member of disinfection room.
Preferably, anion generator is installed at the interior top of clean room, and anion generator's the lower left corner and the lower right corner all are connected with the electrode bar to pass through wire electric connection between electrode bar and the anion generator.
Preferably, the integrated filter disc is installed at the middle position in the filtering chamber, the clamping blocks are fixed to the upper end and the lower end of the integrated filter disc, the longitudinal slide ways are arranged on the outer sides of the clamping blocks, the transverse slide ways are arranged at the middle position in the length direction of the filtering chamber, and the transverse slide ways are perpendicular to the longitudinal slide ways.
Preferably, the interior top of disinfection room evenly is fixed with the shower nozzle, and the top of shower nozzle is connected with the intercommunication pipeline, the outer top of disinfection room is fixed with the water pump, and the top of water pump installs the feed liquor pipe to the shower nozzle passes through the intercommunication pipeline and constitutes the intercommunication structure between water pump and the feed liquor pipe.
Preferably, the ultraviolet germicidal lamps are fixed on the upper surface and the lower surface of the inner part of the sterilizing chamber, the number of the ultraviolet germicidal lamps is set to be 4, and the ultraviolet germicidal lamps are distributed in an up-and-down symmetrical mode about a horizontal middle line of the sterilizing chamber.
Preferably, the inner edges of the joints of the sterilizing chamber and the disinfecting chamber are provided with sealing gaskets, the outer sides of the joints of the sterilizing chamber and the disinfecting chamber are in threaded connection with fixing bolts, and the fixing bolts penetrate through the interiors of the joints of the sterilizing chamber and the disinfecting chamber.
Preferably, integrated cassette includes metal filters, HEPA filter screen and active carbon filter screen, and the HEPA filter screen is installed in the outside of active carbon filter screen to the outside of HEPA filter screen is connected with the active carbon filter screen, and the active carbon filter screen distributes about the vertical central line bilateral symmetry of integrated cassette simultaneously.
Preferably, the lower extreme of fixture block is fixed with the slider, and reset spring is installed in the outside of slider to the slider passes through to constitute elastic construction between reset spring and the integrated cassette.
Preferably, the filter screen is installed in the interior bottom of disinfection room, and the below of filter screen is connected with retrieves the cover to the pore has evenly been seted up to the inside of filter screen, retrieve the lower extreme of cover and install the solenoid valve, and the below of solenoid valve is connected with the fluid-discharge tube.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the negative ion generator in the clean room is arranged to interact with the electrode bar, and the high-voltage corona is utilized to increase the negative ions in the air, so that more negative ions can be carried in the air passing through the clean room, thus the quality of the air input into the interior of the isolation room is improved, a good internal environment of the isolation room is created, the health of a patient is promoted, and the patient is helped to recover as early as possible;
2. the integrated filter plate in the filter chamber is arranged in the filter chamber through the clamping action between the clamping blocks and the longitudinal slide way, and the two clamping blocks can move along the transverse slide way when being tightly attached together, so that convenience is provided for later-stage disassembly of the integrated filter plate, the integrated filter plate is convenient to clean or replace at regular intervals, and the good filtering effect of the filter chamber is favorably ensured;
3. the spray head arranged in the disinfection chamber can be communicated with the externally connected disinfectant tank through the liquid inlet pipe so as to conveniently atomize and spray disinfectant in the disinfectant tank, so that air passing through the interior of the disinfection chamber is disinfected, pathogens in part of air can be eliminated, and the transmission of the pathogens is reduced;
4. the ultraviolet sterilizing lamps in the sterilizing chamber are symmetrically arranged in the sterilizing chamber, so that the sterilizing chamber is irradiated in a large range, the air passing through the inside of the sterilizing chamber is sterilized by ultraviolet rays, part of pathogens in the air are eliminated, the cleanness of the air exhausted from the inside of the isolation chamber is further improved, the exhausted air is effectively prevented from carrying infectious viruses and being infected by the spread of the infectious viruses through the ventilation pipe, and the possibility of infection of the viruses in a hospital is reduced;
5. the purification chamber, the filter chamber, the sterilization chamber and the disinfection chamber in the whole ventilation device are fixedly connected through the fixing bolts, the later-stage disassembly is convenient, the maintenance and the repair are convenient, the sealing effect of each connecting part is enhanced by the installed sealing gasket, the air leakage is effectively prevented, and the pores in the filter screen are communicated with the disinfection chamber and the recovery cover so as to conveniently recover and treat redundant disinfectant after spraying, so that the pollution caused by the overflow of the disinfectant in the channel is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the interior of the purification chamber and the filtration chamber of the present invention;
FIG. 3 is a schematic view of a left side cross-sectional partial structure of a connection between a fixture block and a filtering chamber according to the present invention;
FIG. 4 is an enlarged view of the inside of the sterilizing chamber and the sterilizing chamber according to the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 4 according to the present invention.
In the figure: 1. an air intake passage; 2. an air extractor; 3. an exhaust passage; 4. an exhauster; 5. a protective cover; 6. a clean room; 7. a filtering chamber; 8. a sterilization chamber; 9. a sterilizing chamber; 10. a negative ion generator; 11. an electrode rod; 12. integrating a filter disc; 121. a metal filter screen; 122. a HEPA filter screen; 123. an active carbon filter screen; 13. a clamping block; 14. a longitudinal slideway; 15. a transverse slideway; 16. a spray head; 17. a communicating pipe; 18. a water pump; 19. a liquid inlet pipe; 20. an ultraviolet germicidal lamp; 21. a gasket; 22. fixing the bolt; 23. a slider; 24. a return spring; 25. filtering with a screen; 26. a recovery cover; 27. an electromagnetic valve; 28. and a liquid discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a ward ventilation device for infectious department for preventing nosocomial infection comprises an air inlet passage 1, an air pump 2, an air outlet passage 3, an air exhauster 4, a protective cover 5, a purification chamber 6, a filter chamber 7, a disinfection chamber 8, a sterilization chamber 9, an anion generator 10, an electrode rod 11, an integrated filter 12, a metal filter screen 121, a HEPA filter screen 122, an active carbon filter screen 123, a fixture block 13, a longitudinal slideway 14, a transverse slideway 15, a nozzle 16, a communication pipeline 17, a water pump 18, a liquid inlet pipe 19, an ultraviolet germicidal lamp 20, a sealing gasket 21, a fixing bolt 22, a slider 23, a return spring 24, a filter screen 25, a recovery cover 26, an electromagnetic valve 27 and a liquid outlet pipe 28, wherein the air pump 2 is installed at the lower opening of the air inlet passage 1, the air outlet passage 3 is fixed at the right side of the air inlet passage 1, the air exhauster 4 is, the protection cover 5 is connected below the exhaust machine 4 and the air pump 2, the purification chamber 6 is connected to the left end of the air inlet channel 1, the filter chamber 7 is installed at the left end of the purification chamber 6, the disinfection chamber 8 is connected to the right end of the exhaust channel 3, the sterilization chamber 9 is installed at the right end of the disinfection chamber 8, the negative ion generator 10 is installed at the top of the purification chamber 6, the electrode rods 11 are connected to the lower left corner and the lower right corner of the negative ion generator 10, the electrode rods 11 are electrically connected with the negative ion generator 10 through leads, the negative ion generator 10 and the electrode rods 11 in the purification chamber 6 are arranged to interact with each other, the negative ions in the air are increased through high-voltage corona, so that the air passing through the purification chamber 6 can carry more negative ions, the quality of the air input into the isolation chamber is improved, a good internal environment of the isolation chamber is created, and the health of a patient is, thereby helping the patient to recover as early as possible;
an integrated filter plate 12 is arranged in the middle of the inside of the filtering chamber 7, clamping blocks 13 are fixed at the upper end and the lower end of the integrated filter plate 12, a longitudinal slide way 14 is arranged on the outer side of each clamping block 13, a transverse slide way 15 is arranged in the middle of the length direction of the filtering chamber 7, the transverse slide way 15 is perpendicular to the longitudinal slide way 14, a sliding block 23 is fixed at the lower end of each clamping block 13, a return spring 24 is arranged on the outer side of each sliding block 23, the sliding block 23 and the integrated filter plate 12 form an elastic structure through the return spring 24, the integrated filter plate 12 arranged in the filtering chamber 7 is arranged in the filtering chamber 7 through the clamping action between the clamping blocks 13 and the longitudinal slide way 14, and the two clamping blocks 13 can move along the transverse slide way 15 when being tightly attached together, so that convenience is provided for later-stage disassembly of the integrated filter plate 12, and the, the good filtering effect of the filtering chamber 7 is ensured;
the inner top of the disinfection chamber 8 is uniformly fixed with spray heads 16, the upper part of the spray heads 16 is connected with a communicating pipeline 17, the outer top of the disinfection chamber 8 is fixed with a water pump 18, a liquid inlet pipe 19 is arranged above the water pump 18, the spray heads 16 form a communicating structure with the water pump 18 and the liquid inlet pipe 19 through the communicating pipeline 17, the spray heads 16 in the disinfection chamber 8 can be communicated with an external disinfection liquid box through the liquid inlet pipe 19 so as to atomize and spray disinfection liquid in the disinfection liquid box, thus disinfecting air passing through the inside of the disinfection chamber 8, being beneficial to killing pathogens in partial air and reducing the propagation of pathogens;
the ultraviolet germicidal lamps 20 are fixed on the upper surface and the lower surface of the inner part of the sterilizing chamber 9, the number of the ultraviolet germicidal lamps 20 is set to be 4, the ultraviolet germicidal lamps 20 are distributed in the sterilizing chamber 9 in an up-and-down symmetrical mode about the horizontal middle line of the sterilizing chamber 9, the ultraviolet germicidal lamps 20 in the sterilizing chamber 9 are arranged in the sterilizing chamber 9 in a symmetrical mode, therefore, the sterilizing chamber 9 is irradiated in a large range, the air passing through the inner part of the sterilizing chamber 9 is subjected to ultraviolet germicidal treatment, part of pathogens in the air are eliminated, the cleanness of the air exhausted from the inner part of the isolation chamber is further improved, the exhausted air is effectively prevented from carrying infectious viruses and being spread and infected through a ventilation pipe, the possibility of infection of the viruses in a hospital is further reduced, sealing gaskets 21 are arranged on the inner edges of the connecting part of the sterilizing chamber 9 and the sterilizing chamber 8, and fixing bolts 22 are in threaded connection with the outer side, the fixing bolt 22 penetrates through the inside of the joint of the sterilizing chamber 9 and the sterilizing chamber 8, the purifying chamber 6, the filtering chamber 7, the sterilizing chamber 9 and the sterilizing chamber 8 in the whole air interchanger are fixedly connected through the fixing bolt 22, the later-stage disassembly is convenient, the maintenance and the repair are convenient, and the sealing effect of each joint is enhanced by the installed sealing gasket 21, so that the air leakage is effectively prevented;
the integrated filter 12 comprises a metal filter screen 121, an HEPA filter screen 122 and an active carbon filter screen 123, the HEPA filter screen 122 is installed on the outer side of the active carbon filter screen 123, the active carbon filter screen 123 is connected to the outer side of the HEPA filter screen 122, the active carbon filter screen 123 is symmetrically distributed on the left and right of the vertical center line of the integrated filter 12, the metal filter screen 121, the HEPA filter screen 122 and the active carbon filter screen 123 are overlapped to form the integrated filter 12, so that the integrated filter 12 can filter most air pollutants and can absorb peculiar smell in the air, the purification effect of the air input into the isolation room is effectively improved, the integrated filter is suitable for patients to recuperate, the filter screen 25 is installed at the inner bottom of the disinfection room 8, the recovery cover 26 is connected below the filter screen 25, fine holes are uniformly formed in the filter screen 25, and the electromagnetic valve 27 is installed at the lower end, and a liquid discharge pipe 28 is connected below the electromagnetic valve 27, and a pore inside the filter screen 25 is arranged to communicate with the disinfection chamber 8 and the recovery cover 26, so that redundant disinfectant after spraying can be conveniently recovered, and the disinfectant is prevented from overflowing inside the channel to cause pollution.
The working principle is as follows: for the ward ventilation device for infectious department for preventing nosocomial infection, firstly, the whole device is arranged at the top of an isolation room, so that the left end of a filter chamber 7 is connected with an external air inlet pipe, a sterilization chamber 9 is connected with an external exhaust pipe, a liquid inlet pipe 19 is connected with an external disinfectant box, a liquid outlet pipe 28 is connected with a waste liquid box, when the whole device is powered on, an air pump 2 is started, a protective cover 5 carries out protective protection on the air pump 2, the air pump 2 works to pump air into the isolation room through an air inlet channel 1, when the air passes through the interior of the filter chamber 7, the air is sequentially filtered in a metal filter screen 121, a HEPA filter screen 122 and an active carbon filter screen 123 in an integrated filter sheet 12 to remove dust pollutants and peculiar smell in the air, the filtered air enters the interior of a purification chamber 6, a negative ion generator 10 with the model of KJF03 is started, the negative ion generator 10 interacts with two electrode rods 11, the high-voltage corona is utilized to increase negative ions in the air, so that the air passing through the interior of the purifying chamber 6 carries the negative ions and is finally conveyed into the interior of the isolating chamber;
when the interior of the isolation room needs to be exhausted, the air exhauster 4 is started firstly, the air exhauster 4 works to pump the air in the isolation room into the air exhaust channel 3 and enters the disinfection room 8 along the air exhaust channel 3, the water pump 18 is started, the water pump 18 transmits the disinfectant in the disinfection liquid box into the communicating pipeline 17 through the liquid inlet pipe 19, the communicating pipeline 17 transmits the disinfectant to each spray head 16 respectively, the disinfectant is sprayed out from the spray heads 16 to disinfect the air, germs in the air are killed, the scattered disinfectant enters the recovery cover 26 along the fine holes in the filter screen 25 to be recovered and stored, finally, the electromagnetic valve 27 is opened, the redundant disinfectant is discharged into the waste liquid box along the liquid outlet pipe 28, the disinfected air enters the sterilization room 9, the ultraviolet sterilizing lamp 20 is started to irradiate the air, and the air is further sterilized;
when the integrated filter 12 needs to be repaired, the fixing bolts 22 on the two sides of the filter chamber 7 are firstly unscrewed, so that the sealing gasket 21 at the joint of the purifying chamber 6 and the filter chamber 7 is separated, then the two fixture blocks 13 are inwards extruded, the fixture blocks 13 drive the sliding blocks 23 to pull the return spring 24 to extend, so that the two fixture blocks 13 slide in the longitudinal slideway 14 and are then attached together, the two fixture blocks 13 are transversely pulled, the two fixture blocks 13 drive the integrated filter 12 to move along the transverse slideway 15, the integrated filter 12 can be detached from the inside of the filter chamber 7, and thus, the whole using process of the sickroom ventilation device for the infectious department, which prevents nosocomial infection, is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a prevent infectious department of hospital and use ward breather, includes inlet channel (1), clean room (6), disinfection room (8) and filter screen (25), its characterized in that: air exhauster (2) are installed to the lower extreme opening part of inlet channel (1), and the right side of inlet channel (1) is fixed with exhaust passage (3), exhaust fan (4) are installed to the lower extreme opening part of exhaust passage (3), and all are connected with protection casing (5) below exhaust fan (4) and air exhauster (2), clean room (6) are connected in the left end of inlet channel (1), and the left end of clean room (6) installs filter chamber (7), disinfection room (8) are connected in the right-hand member of exhaust passage (3), and disinfection room (9) are installed to the right-hand member of disinfection room (8).
2. A ventilation device for an infectious department ward for preventing hospital infection according to claim 1, wherein: anion generator (10) are installed to the interior top of clean room (6), and the lower left corner and the lower right corner of anion generator (10) all are connected with electrode bar (11), and pass through wire electric connection between electrode bar (11) and anion generator (10).
3. A ventilation device for an infectious department ward for preventing hospital infection according to claim 1, wherein: the filter chamber is characterized in that an integrated filter disc (12) is installed in the middle of the inside of the filter chamber (7), clamping blocks (13) are fixed to the upper end and the lower end of the integrated filter disc (12), longitudinal slideways (14) are arranged on the outer sides of the clamping blocks (13), transverse slideways (15) are arranged in the middle of the length direction of the filter chamber (7), and the transverse slideways (15) are perpendicular to the longitudinal slideways (14).
4. A ventilation device for an infectious department ward for preventing hospital infection according to claim 1, wherein: the interior top of disinfection room (8) evenly is fixed with shower nozzle (16), and the top of shower nozzle (16) is connected with communicating pipe (17), the outer top of disinfection room (8) is fixed with water pump (18), and the top of water pump (18) installs feed liquor pipe (19) to constitute the open structure between shower nozzle (16) through communicating pipe (17) and water pump (18) and feed liquor pipe (19).
5. A ventilation device for an infectious department ward for preventing hospital infection according to claim 1, wherein: the upper surface and the lower surface of the inner part of the sterilizing chamber (9) are both fixed with ultraviolet sterilizing lamps (20), the number of the ultraviolet sterilizing lamps (20) is set to be 4, and the ultraviolet sterilizing lamps (20) are distributed in an up-and-down symmetrical mode relative to the horizontal middle line of the sterilizing chamber (9).
6. A ventilation device for an infectious department ward for preventing hospital infection according to claim 1, wherein: sealing gaskets (21) are installed on the inner edges of the joints of the sterilizing chamber (9) and the sterilizing chamber (8), fixing bolts (22) are connected to the outer sides of the joints of the sterilizing chamber (9) and the sterilizing chamber (8) in a threaded mode, and the fixing bolts (22) penetrate through the insides of the joints of the sterilizing chamber (9) and the sterilizing chamber (8).
7. A ventilation device for an infectious department ward for preventing hospital infection according to claim 3, wherein: integrated cassette (12) include metal filters (121), HEPA filter screen (122) and active carbon filter screen (123), and HEPA filter screen (122) are installed in the outside of active carbon filter screen (123) to the outside of HEPA filter screen (122) is connected with active carbon filter screen (123), and active carbon filter screen (123) distribute about the vertical central line bilateral symmetry of integrated cassette (12) simultaneously.
8. A ventilation device for an infectious department ward for preventing hospital infection according to claim 3, wherein: the lower end of the clamping block (13) is fixed with a sliding block (23), the outer side of the sliding block (23) is provided with a return spring (24), and the sliding block (23) and the integrated filter disc (12) form an elastic structure through the return spring (24).
9. A ventilation device for an infectious department ward for preventing hospital infection according to claim 1, wherein: the filter screen (25) is installed in the interior bottom of disinfection room (8), and the below of filter screen (25) is connected with retrieves cover (26) to the pore has evenly been seted up to the inside of filter screen (25), solenoid valve (27) are installed to the lower extreme of retrieving cover (26), and the below of solenoid valve (27) is connected with fluid-discharge tube (28).
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| CN202010025432.3A CN112303796A (en) | 2020-01-10 | 2020-01-10 | Prevent infectious department of hospital from using ward breather |
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Cited By (2)
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| CN113237179A (en) * | 2021-06-24 | 2021-08-10 | 河南省肿瘤医院 | Multi-person ward air purification system and method |
| CN113883632A (en) * | 2021-08-23 | 2022-01-04 | 南方医科大学南方医院 | Ventilation system for nursing disinfection |
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| CN208877425U (en) * | 2018-05-16 | 2019-05-21 | 塔里木大学 | Air cleaning unit is used in a kind of prevention of zoonosis |
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| CN109268976A (en) * | 2018-11-01 | 2019-01-25 | 江苏不染尘医疗科技有限公司 | A kind of hospital ward air disinfection device |
| CN209445522U (en) * | 2019-01-04 | 2019-09-27 | 宋红梅 | Sterilize air interchanger in ward |
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