CN113339917A - Ventilating device for hospital infectious disease department ward - Google Patents
Ventilating device for hospital infectious disease department ward Download PDFInfo
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- CN113339917A CN113339917A CN202110630655.7A CN202110630655A CN113339917A CN 113339917 A CN113339917 A CN 113339917A CN 202110630655 A CN202110630655 A CN 202110630655A CN 113339917 A CN113339917 A CN 113339917A
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- 208000015181 infectious disease Diseases 0.000 title claims abstract description 21
- 208000035473 Communicable disease Diseases 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 238000001914 filtration Methods 0.000 claims abstract description 58
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 37
- 238000001179 sorption measurement Methods 0.000 claims abstract description 33
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 238000000889 atomisation Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 239000003814 drug Substances 0.000 claims description 44
- 238000010438 heat treatment Methods 0.000 claims description 43
- 239000004065 semiconductor Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 238000005485 electric heating Methods 0.000 claims description 16
- 230000001954 sterilising effect Effects 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000000645 desinfectant Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000009290 primary effect Effects 0.000 claims description 2
- 230000002458 infectious effect Effects 0.000 abstract description 5
- 239000003595 mist Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 7
- 241000700605 Viruses Species 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 201000008827 tuberculosis Diseases 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000187479 Mycobacterium tuberculosis Species 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 208000008128 pulmonary tuberculosis Diseases 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
Images
Classifications
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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
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
-
- 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 ventilation device for hospital infectious disease department wards, which comprises an exhaust device, an adsorption filtration treatment device, a disinfection treatment device and a gas-liquid separation device, wherein the adsorption filtration treatment device is communicated with the exhaust device; the disinfection treatment device comprises a disinfection box, an atomization generator and an atomization spray pipe, wherein the disinfection box is provided with a first cavity and a second cavity, the second cavity is provided with an air inlet and an air outlet, and the air inlet is communicated with the adsorption filtration treatment device; the atomization generator is arranged in the first cavity, the atomization spray pipe is arranged in the second cavity and communicated with the first cavity, and the gas-liquid separation device is communicated with the exhaust port. According to the ventilation device for the hospital infectious disease department ward, provided by the embodiment of the invention, the air in the ward can be effectively sterilized and disinfected and then discharged, the treated air is cleaner and safer, and the infectious risk in the environment is reduced.
Description
Technical Field
The invention relates to an air treatment device, in particular to a ventilation device for a ward of a hospital infectious disease department.
Background
For some departments with infectious diseases, patients move in wards, harmful substances such as infectious viruses and the like may exist in the air of the wards, for example, tuberculosis patients, tuberculosis is a chronic infectious disease caused by mycobacterium tuberculosis, can invade many organs, is the most common pulmonary tuberculosis infection, and is transmitted mainly by droplets, saliva and the like by using bacteria expellers as an important infectious source. Therefore, ventilators in such wards require air treatment. At present, the breather that the hospital adopted generally adopts the mode of physics filtration to discharge after filtering the air in the ward, and this kind of mode, the effect is relatively poor, still has great infectivity risk to other environment after the discharge.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a ventilator for a hospital infectious disease department ward.
To achieve the above object, a ventilation apparatus for hospital infectious disease department ward according to an embodiment of the present invention includes:
the air exhaust device is suitable for being installed on the wall surface of the ward and used for exhausting air in the ward;
the adsorption and filtration treatment device is communicated with the exhaust device and is used for carrying out adsorption and filtration treatment on the air so as to remove harmful substances in the air;
the sterilization treatment device comprises a sterilization box, an atomization generator and an atomization spray pipe, the sterilization box is provided with a first cavity and a second cavity, the second cavity is provided with an air inlet and an air outlet, and the air inlet is communicated with the adsorption filtration treatment device and is used for introducing air subjected to adsorption filtration treatment into the second cavity; the atomization generator is arranged in the first cavity and used for atomizing disinfectant in the first cavity to form atomized liquid medicine, and the atomization spray pipe is arranged in the second cavity and communicated with the first cavity and used for spraying the atomized liquid medicine in the first cavity into the second cavity so as to enable the atomized liquid medicine to be in contact with the air to sterilize the air;
and the gas-liquid separation device is communicated with the exhaust port and is used for introducing the mixed gas discharged by the disinfection treatment device and carrying out gas-liquid separation on the mixed gas.
According to the ventilation device for the hospital infectious disease department ward, provided by the embodiment of the invention, the air in the ward can be filtered, adsorbed and filtered through the adsorption and filtration treatment device, then enters the second cavity of the disinfection treatment device and is in full contact with the atomized liquid medicine, the atomized liquid medicine is utilized to perform full disinfection and sterilization treatment on harmful substances such as viruses in the air, so that a more effective disinfection and sterilization effect is achieved, and finally, the gas-liquid separation is performed through the gas-liquid separation device, so that the treated air is cleaner and safer, and the infectious risk in the environment is reduced.
In addition, the ventilation device for hospital infectious disease department ward according to the above embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the present invention, the sterilization device further includes a heating device disposed in the second chamber for heating the atomized liquid medicine in the second chamber to sterilize the air with the high temperature atomized liquid medicine.
According to one embodiment of the present invention, a bellows is disposed on a wall of the first cavity, the atomizing nozzle is connected to the bellows, and at least one blower fan is disposed on the bellows for feeding the atomized liquid medicine in the first cavity to the atomizing nozzle through the bellows.
According to one embodiment of the invention, the air exhaust device comprises:
the air inlet cover is provided with an air inlet grille;
and the air inlet of the centrifugal fan is communicated with the air inlet cover, and the air outlet of the centrifugal fan is communicated with the adsorption filtration treatment device.
According to an embodiment of the present invention, the adsorption filtration treatment apparatus includes:
one end of the filter box is communicated with the air exhaust device;
the primary filter is arranged in the filter box and is used for primary filtering of air entering the filter box;
the intermediate-effect filter is arranged in the filter box and is used for performing intermediate-effect filtration on the air subjected to primary-effect filtration;
the high-efficiency filter is arranged in the filter box and is used for efficiently filtering the air after the medium-efficiency filtration;
the active carbon filter is installed in the filter box and used for adsorbing and filtering the air after high-efficiency filtration.
According to one embodiment of the invention, the heating device comprises a plurality of heating pipe fittings which are arranged in the second cavity at intervals;
each heating pipe fitting comprises an electric heating copper pipe and heating fins, the electric heating copper pipe is bent to form a U-shaped structure, two ends of the electric heating copper pipe are fixedly installed at the bottom of the exhaust cavity, and the heating fins are arranged around the electric heating copper pipe and are integrated with the electric heating copper pipe.
According to an embodiment of the present invention, the gas-liquid separation device includes:
the bottom of the gas-liquid separation box is provided with a condensation bin and a liquid collection bin, and the liquid collection bin is positioned below the condensation bin;
and the semiconductor refrigerator is of a plate-shaped structure and is vertically arranged in the gas-liquid separation box, and is used for cooling the mixed gas entering the condensation bin to form condensed waste liquid which is dripped to the liquid collection bin under the action of gravity.
According to one embodiment of the invention, the semiconductor refrigerator comprises two semiconductor refrigeration pieces and a water cooling plate, wherein the water cooling plate is clamped between hot surfaces of the two semiconductor refrigeration pieces, and a cold water cavity is arranged in the water cooling plate;
the gas-liquid separation device further comprises a cold water circulating pipeline, and the cold water circulating pipeline is communicated with the cold water cavity and provides cooling water for the cold water cavity.
According to one embodiment of the invention, the semiconductor cooler is at a predetermined angle to the flow direction of the incoming air.
According to an embodiment of the present invention, the number of the atomizing nozzles is two, the two atomizing nozzles are respectively located at two sides of the heating device, and the atomizing nozzles are provided with spray holes for spraying the atomized liquid medicine toward the heating device.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a ventilator for hospital ward in infectious disease department according to an embodiment of the present invention;
FIG. 2 is a schematic view of a disinfection apparatus in a ventilator for hospital wards for infectious diseases according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a disinfection treatment device in a ventilator for hospital wards for infectious diseases according to an embodiment of the present invention;
FIG. 4 is an exploded view of a disinfection device of a ventilator for hospital wards for infectious diseases according to an embodiment of the present invention;
FIG. 5 is a top view of the air separator in the ventilation device for hospital ward in infectious disease department according to the embodiment of the present invention.
Reference numerals:
10. an air exhaust device;
101. an air inlet cover;
1011. an air inlet grille;
102. a centrifugal fan;
20. an adsorption filtration treatment device;
201. a filter box;
202. a primary filter;
203. a medium-efficiency filter;
204. a high efficiency filter;
205. an activated carbon filter;
30. a sterilization treatment device;
301. a sterilizing box;
p30, first cavity;
p31, second cavity;
h301, an air inlet;
h302, an exhaust port;
302. an atomization generator;
303. an atomizing nozzle;
304. heating the pipe fitting;
3041. an electric heating copper pipe;
3042. heating the fins;
305. an air box;
306. an air supply fan;
40. a gas-liquid separation device;
401. a gas-liquid separation tank;
402. a semiconductor refrigerator;
4021. a semiconductor refrigeration sheet;
4022. and (5) a water-cooling plate.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following describes in detail a ventilator for hospital infectious disease wards according to an embodiment of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 5, the ventilator for hospital wards for infectious diseases according to the embodiment of the present invention includes an exhaust device 10, an adsorption filtration device 20, a disinfection device 30, and a gas-liquid separation device 40.
Specifically, the exhaust device 10 is adapted to be mounted on a wall surface of a patient room to exhaust air within the patient room. The adsorption and filtration treatment device 20 is communicated with the exhaust device 10 and is used for performing adsorption and filtration treatment on the air so as to remove harmful substances in the air. That is, the ventilating device 10 can discharge the air in the patient room to the adsorption and filtration treatment device 20, and remove the harmful substances having a certain diameter in the air by the adsorption and filtration treatment device 20.
The disinfection processing device 30 comprises a disinfection box 301, an atomization generator 302 and an atomization nozzle 303, wherein the disinfection box 301 is provided with a first cavity P30 and a second cavity P31, the second cavity P31 is provided with an air inlet H301 and an air outlet H302, the air inlet H301 is communicated with the adsorption filtration processing device 20 and is used for introducing air subjected to adsorption filtration processing into the second cavity P31; the atomization generator 302 is arranged in the first cavity P30 and is used for atomizing disinfectant in the first cavity P30 to form atomized liquid medicine, the atomization spray pipe 303 is arranged in the second cavity P31 and communicated with the first cavity P30 and is used for spraying the atomized liquid medicine in the first cavity P30 into the second cavity P31 so as to enable the atomized liquid medicine to be in contact with air and the air is disinfected and sterilized.
That is, the first cavity P30 of the disinfection box 301 can store the disinfection solution, the atomization generator 302 is disposed in the first cavity P30 of the disinfection box 301, the atomization generator 302 can be an ultrasonic atomizer, and the disinfection solution in the first cavity P30 can be atomized by the atomization generator 302 to form atomized liquid medicine. Because the atomizing nozzle 303 is communicated with the first cavity P30 and the second cavity P31, the atomized liquid medicine in the first cavity P30 can enter the atomizing nozzle 303 and be sprayed into the second cavity P31 through the atomizing nozzle 303, so that the atomized liquid medicine is filled in the second cavity P31. In addition, the air inlet H301 of the second cavity P31 is communicated with the adsorption and filtration treatment device 20, and the air treated by the adsorption and filtration treatment device 20 can be introduced into the second cavity P31 and fully contacted with the atomized liquid medicine in the second cavity P31, so that the atomized liquid medicine is utilized to fully sterilize and disinfect the viruses and the like in the air.
The gas-liquid separation device 40 is communicated with the exhaust port H302, and is used for introducing the mixed gas discharged from the disinfection processing device 30 and performing gas-liquid separation on the mixed gas. The gas is discharged to the gas-liquid separation device 40 from the gas outlet H302 of the second cavity P31, and since the air is mixed with the atomized liquid medicine in the second cavity P31 after being introduced into the second cavity P31, a mixed gas is formed, and the mixed gas contains the atomized liquid medicine, after the gas-liquid separation device 40 performs gas-liquid separation on the mixed gas, the mixed gas can be properly settled, the gas is directly discharged, and the problem of pollution and the like caused by direct discharge of the atomized liquid medicine is solved.
According to the ventilation device for hospital infectious disease wards provided by the embodiment of the invention, the air in the ward can be filtered and adsorbed and filtered by the adsorption and filtration treatment device 20, then enters the second cavity P31 of the disinfection treatment device 30 to be fully contacted with the atomized liquid medicine, and is fully disinfected and sterilized for harmful substances such as viruses in the air by utilizing the atomized liquid medicine, so that a more effective disinfection and sterilization effect is achieved, and finally, the air is separated from the liquid by the gas-liquid separation device 40, so that the treated air is cleaner and safer, and the infectious risk in the environment is reduced.
Referring to fig. 1 and 3 to 4, in an embodiment of the present invention, the sterilization device 30 further includes a heating device disposed in the second chamber P31 for heating the atomized liquid medicine in the second chamber P31 to sterilize the air with the high-temperature atomized liquid medicine.
That is to say, a heating device is arranged in the second cavity P31, and the atomized liquid medicine in the second cavity P31 is heated by the heating device, so as to reach a higher temperature, and the atomized liquid medicine with a high temperature contacts with the gas, so that the germs in the gas can achieve a more thorough disinfection effect under the dual actions of the high temperature and the disinfection liquid.
In an embodiment of the present invention, a wind box 305 is disposed on a wall of the first chamber P30, the atomizing nozzle 303 is connected to the wind box 305, and at least one blower fan 306 is disposed on the wind box 305 for feeding the atomized liquid medicine in the first chamber P30 to the atomizing nozzle 303 through the wind box 305.
In the course of the work, air supply fan 306 follows the direction air supply of first cavity P30 to second cavity P31, can carry bellows 305 with the atomizing liquid medicine in the first cavity P30 in, because atomizing spray tube 303 communicates with bellows 305, so, the atomizing liquid medicine in the bellows 305 can enter into atomizing spray tube 303, and spout from atomizing spray tube 303, so, can make the atomizing liquid medicine spray into to the second cavity P31 in with the certain speed, ensure to keep being full of the state of atomizing liquid medicine in the second cavity P31, reach abundant sterile effect that disinfects.
Advantageously, the number of the atomizing nozzles 303 is two, the two atomizing nozzles 303 are respectively located at two sides of the heating device, and the atomizing nozzles 303 are provided with spray holes which spray atomized liquid medicine towards the heating device, so that the two atomizing nozzles 303 can spray the atomized liquid medicine towards the heating device, and the heating efficiency is improved.
Referring to fig. 1, in one embodiment of the present invention, an exhaust device 10 includes an air inlet cover 101 and a centrifugal fan 102, wherein the air inlet cover 101 has an air inlet grille 1011; an air inlet of the centrifugal fan 102 is communicated with the air inlet cover 101, and an air outlet of the centrifugal fan 102 is communicated with the adsorption filtration treatment device 20. When the centrifugal fan 102 is operated, air in a ward can be sucked from the air inlet cover 101 and delivered to the adsorption and filtration treatment device 20, so that the air in the ward can be stably discharged into the adsorption and filtration treatment device 20.
Referring to fig. 1, in some embodiments of the present invention, the adsorption filtration treatment device 20 includes a filter box 201, a primary filter 202, a secondary filter 203, a high efficiency filter 204 and an activated carbon filter 205, wherein one end of the filter box 201 is communicated with the exhaust device 10; the primary filter is arranged in the filter box 201 and is used for primary filtering of air entering the filter box 201; the medium-efficiency filter 203 is arranged in the filter box 201 and is used for performing medium-efficiency filtration on the air after primary filtration; the high-efficiency filter 204 is arranged in the filter box 201 and used for efficiently filtering air after medium-efficiency filtration; an activated carbon filter 205 is installed in the filter box 201 for adsorbing and filtering the air after high efficiency filtration. Illustratively, the primary filter 202, the intermediate filter 203, the high efficiency filter 204, and the activated carbon filter 205 are arranged at intervals in this order in the air flow direction.
The air exhausting device 10 lets in the air in ward to the rose box 201, the air passes through the primary filter 202 earlier, filter through the primary filter 202 and filter the particle more than 5um, the particle of filtering 1-5um is filtered to rethread secondary filter 203, finally, through granule and various suspended solids etc. below the high efficiency filter 204 entrapment 0.5um, the air after the filtration carries out adsorption filtration processing through activated carbon filter 205 again, so, can make the air after adsorption filtration processing apparatus 20, can detach other harmful substance such as particulate matter in the air, suspended solids.
Referring to fig. 3 to 4, in an embodiment of the present invention, the heating device includes a plurality of heating pipes 304, and a plurality of the heating pipes 304 are arranged in the second cavity P31 at intervals.
Each of the heating pipe elements 304 includes an electric heating copper pipe 3041 and a heating fin 3042, the electric heating copper pipe 3041 is bent to form a U-shaped structure, two ends of the electric heating copper pipe 3041 are fixedly installed at the bottom of the exhaust cavity, and the heating fin 3042 is disposed around the electric heating copper pipe 3041 and is integrated with the electric heating copper pipe 3041.
The heating copper pipe 3041 can be heated after being electrified, the heating fins 3042 and the heating copper pipe 3041 are integrally formed, heat of the heating copper pipe 3041 is conducted to the heating fins 3042, and the heating fins 3042 can increase the contact area with the atomized liquid medicine, so that the heating pipe 304 can be used for rapidly heating the atomized liquid medicine to reach a required temperature.
Referring to fig. 1, in some embodiments of the present invention, gas-liquid separation device 40 includes a gas-liquid separation tank 401 and a semiconductor refrigerator 402, wherein the bottom of gas-liquid separation tank 401 is a condensation bin and a liquid collection bin, and the liquid collection bin is located below the condensation bin; the semiconductor refrigerator 402 is of a plate-shaped structure and is vertically arranged in the gas-liquid separation box 401, and is used for cooling the mixed gas entering the condensation bin to form condensed waste liquid, and the condensed waste liquid drops to the liquid collection bin under the action of gravity.
The mist liquid medicine in second cavity P31 and the mist of air can discharge to gas-liquid separation device 40's condensation storehouse through gas vent H302 on the second cavity P31 on disinfect box 301, the mist that enters into in the condensation storehouse contacts with semiconductor refrigerator 402, semiconductor refrigerator 402 can be so that the temperature of condensation storehouse ability reduces on the one hand, mist can release heat in the condensation storehouse, on the other hand, mist and semiconductor refrigerator 402 contact can make the mist temperature reduce fast, thus, mist can cool off fast and form liquid, and then drop to the collection liquid storehouse of below under the action of gravity, reach effectual gas-liquid separation effect, prevent that the mist liquid medicine from directly discharging.
Referring to fig. 5, in an embodiment of the present invention, a semiconductor refrigerator 402 includes two semiconductor cooling fins 4021 and a water cooling plate 4022, the water cooling plate 4022 is sandwiched between hot surfaces of the two semiconductor cooling fins 4021, and a cold water cavity is disposed in the water cooling plate 4022. The gas-liquid separation device 40 further comprises a cold water circulation pipeline which is communicated with the cold water cavity and provides cooling water for the cold water cavity.
In this embodiment, press from both sides between the hot face of two semiconductor refrigeration pieces 4021 and establish a water-cooling plate 4022, on the one hand, two cold faces of two semiconductor refrigeration pieces 4021 are outwards, can fully contact with the mist, realize quick cooling, and on the other hand, let in the cooling water in the water-cooling plate 4022, can lead out the heat of the hot face of two semiconductor refrigeration pieces 4021 through the cooling water fast, and then further improve semiconductor refrigeration piece 4021's radiating efficiency.
Advantageously, the semiconductor refrigerator 402 has a predetermined angle with the flowing direction of the air, so that the mixed gas flowing into the gas-liquid separation tank 401 can pass through the semiconductor refrigerator 402 and fully contact with the cold surface thereof by adopting the angle arrangement, thereby improving the cooling and separating effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A ventilation device for hospital infectious disease department wards is characterized by comprising:
the air exhaust device is suitable for being installed on the wall surface of the ward and used for exhausting air in the ward;
the adsorption and filtration treatment device is communicated with the exhaust device and is used for carrying out adsorption and filtration treatment on the air so as to remove harmful substances in the air;
the sterilization treatment device comprises a sterilization box, an atomization generator and an atomization spray pipe, the sterilization box is provided with a first cavity and a second cavity, the second cavity is provided with an air inlet and an air outlet, and the air inlet is communicated with the adsorption filtration treatment device and is used for introducing air subjected to adsorption filtration treatment into the second cavity; the atomization generator is arranged in the first cavity and used for atomizing disinfectant in the first cavity to form atomized liquid medicine, and the atomization spray pipe is arranged in the second cavity and communicated with the first cavity and used for spraying the atomized liquid medicine in the first cavity into the second cavity so as to enable the atomized liquid medicine to be in contact with the air to sterilize the air;
and the gas-liquid separation device is communicated with the exhaust port and is used for introducing the mixed gas discharged by the disinfection treatment device and carrying out gas-liquid separation on the mixed gas.
2. The ventilator according to claim 1, wherein the sterilizing device further comprises a heating device disposed in the second chamber for heating the atomized liquid medicine in the second chamber to sterilize the air with the high temperature atomized liquid medicine.
3. The ventilator according to claim 1, wherein a bellows is disposed on a wall of the first chamber, the atomizing nozzle is connected to the bellows, and at least one blower fan is disposed on the bellows for feeding the atomized liquid medicine in the first chamber to the atomizing nozzle through the bellows.
4. The ventilator according to claim 1, wherein said air discharge means comprises:
the air inlet cover is provided with an air inlet grille;
and the air inlet of the centrifugal fan is communicated with the air inlet cover, and the air outlet of the centrifugal fan is communicated with the adsorption filtration treatment device.
5. The ventilator according to claim 1, wherein said adsorption filtration treatment means comprises:
one end of the filter box is communicated with the air exhaust device;
the primary filter is arranged in the filter box and is used for primary filtering of air entering the filter box;
the intermediate-effect filter is arranged in the filter box and is used for performing intermediate-effect filtration on the air subjected to primary-effect filtration;
the high-efficiency filter is arranged in the filter box and is used for efficiently filtering the air after the medium-efficiency filtration;
the active carbon filter is installed in the filter box and used for adsorbing and filtering the air after high-efficiency filtration.
6. The ventilator of claim 2, wherein said heating means comprises a plurality of heating tubes, said plurality of heating tubes being spaced apart within said second chamber;
each heating pipe fitting comprises an electric heating copper pipe and heating fins, the electric heating copper pipe is bent to form a U-shaped structure, two ends of the electric heating copper pipe are fixedly installed at the bottom of the exhaust cavity, and the heating fins are arranged around the electric heating copper pipe and are integrated with the electric heating copper pipe.
7. The ventilator according to claim 1, wherein the gas-liquid separator comprises:
the bottom of the gas-liquid separation box is provided with a condensation bin and a liquid collection bin, and the liquid collection bin is positioned below the condensation bin;
and the semiconductor refrigerator is of a plate-shaped structure and is vertically arranged in the gas-liquid separation box, and is used for cooling the mixed gas entering the condensation bin to form condensed waste liquid which is dripped to the liquid collection bin under the action of gravity.
8. The ventilator according to claim 7, wherein said semiconductor refrigerator comprises two semiconductor cooling plates and a water cooling plate, said water cooling plate is sandwiched between the hot surfaces of said two semiconductor cooling plates, and a cold water cavity is provided in said water cooling plate;
the gas-liquid separation device further comprises a cold water circulating pipeline, and the cold water circulating pipeline is communicated with the cold water cavity and provides cooling water for the cold water cavity.
9. The ventilator of claim 7, wherein said semiconductor cooler is disposed at a predetermined angle to the direction of the incoming air flow.
10. The ventilator according to claim 2, wherein the number of the atomizing nozzles is two, the two atomizing nozzles are respectively located on both sides of the heating device, and the atomizing nozzles are provided with spray holes for spraying the atomized liquid medicine toward the heating device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630655.7A CN113339917A (en) | 2021-06-07 | 2021-06-07 | Ventilating device for hospital infectious disease department ward |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630655.7A CN113339917A (en) | 2021-06-07 | 2021-06-07 | Ventilating device for hospital infectious disease department ward |
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| CN113339917A true CN113339917A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110630655.7A Pending CN113339917A (en) | 2021-06-07 | 2021-06-07 | Ventilating device for hospital infectious disease department ward |
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Application publication date: 20210903 |