CN114294749B - Circulating purification device for ventilation air conditioner of hospital building - Google Patents
Circulating purification device for ventilation air conditioner of hospital building Download PDFInfo
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- CN114294749B CN114294749B CN202210029424.5A CN202210029424A CN114294749B CN 114294749 B CN114294749 B CN 114294749B CN 202210029424 A CN202210029424 A CN 202210029424A CN 114294749 B CN114294749 B CN 114294749B
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Abstract
The invention relates to the technical field of ventilation of medical buildings, in particular to a circulating purification device of a ventilation air conditioner of a hospital building, which comprises a solid air washing device and an air filtering device which are communicated, wherein the input end of the solid air washing device is connected to an air outlet of a ventilation area of the hospital building, the output end of the air filtering device is connected to an air inlet of the ventilation area of the hospital building, the solid air washing device is used for purifying primary air exhaust through solid particles and outputting secondary air exhaust to the air filtering device, and the air filtering device is used for filtering the secondary air exhaust and re-conveying clean air to the ventilation area of the hospital building. The invention utilizes the solid particle adsorption and fluidized bed principle to disinfect and filter the exhaust air of the hospital building, and then supplies the air to the hospital building again for ventilation, thereby reducing energy consumption and preventing the virus inside the hospital building from diffusing to the outside.
Description
Technical Field
The invention relates to the technical field of medical building ventilation, in particular to a circulating purification device of a ventilation air conditioner of a hospital building.
Background
In recent years, new coronaviruses are in global abuse, and respiratory diseases caused by the viruses cause serious threat and loss to the life safety of people and national economy, so that the attention of the society to the ventilation effect in hospital wards is increasingly focused. The hospital is a special place integrating patients, susceptible people, accompanying families and medical staff, and the high virus density circulating in the air of the hospital is one of the distinct characteristics of the hospital different from other common public buildings. Especially in the hospital of infectious disease, the virus in the air of the ward of the hospital can be discharged outside air along with the ventilation system of the hospital after the disinfection treatment.
The existing hospital evacuation is generally selected as high-altitude evacuation, and when the virus-containing air is diluted to more than 10000 times, the air is not infectious any more, so that the outside air is used for diluting the virus density in the evacuation air. But the virus-containing air discharged from the outside has too many uncontrollable factors, and even a small amount of viruses can bring the risk of virus infection or spread to the outside public.
Under the normal running state of the hospital building, the ventilation system mainly provides fresh air quantity required by human breathing, so that indoor air quality is guaranteed, and under the state, the fresh air ventilation frequency generally required by a ward is 2 times/h, and the air quantity is smaller. In the epidemic situation running state, when the air conditioner is used as a negative pressure ward, the ventilation times in the ward are minimum by 6 times/h, and the negative pressure ward with the pressure difference gradient is required to be formed so as to ensure the directional flow of air and avoid cross infection. In either operating state, ventilation of the hospital building is required, and thus, a large amount of ventilation of the air in the hospital building is required.
In view of the above, there is a need for a ventilation device that is suitable for use in the internal circulation of air in hospital buildings and that kills air viruses in the internal circulation.
Disclosure of Invention
In view of the above, the invention provides a circulating purification device for ventilation and air conditioning of a hospital building, which utilizes the solid particle adsorption and fluidized bed principles to disinfect and filter exhaust air of the hospital building, and then supplies the air to the hospital building again for ventilation, thereby reducing energy consumption and preventing viruses in the hospital building from diffusing to the outside.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the invention provides a circulating purification device for a ventilation air conditioner of a hospital building, which comprises a solid air washing device and an air filtering device which are communicated, wherein the input end of the solid air washing device is connected to an air outlet of the ventilation area of the hospital building, the output end of the air filtering device is connected to an air inlet of the ventilation area of the hospital building, the solid air washing device is used for purifying primary air exhaust through solid particles and outputting secondary air exhaust to the air filtering device, and the air filtering device is used for filtering the secondary air exhaust and re-conveying clean air to the ventilation area of the hospital building.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as an optimal scheme, exhaust valve and exhaust fan are arranged in order between the air exit with solid gas washing device, solid gas washing device with pass through the trachea intercommunication between the gas filtering device to be provided with the ooff valve, gas filtering device with be provided with negative pressure fan between the air intake.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as the preferred scheme, the solid gas washing device includes last box, lower box and scattered gas row, go up the box with the sealed cavity of box mutual amalgamation down, scattered gas row input is located down the box is outside to with ventilation area the air exit intercommunication, scattered gas row output is located the interior bottom of box down, it has solid particle to fill in the box down, go up box top intercommunication extremely gas filter.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, preferably, an exhaust seat is provided at the top of the upper case, a first filter cartridge is installed on the exhaust seat, and the bottom of the first filter cartridge is located inside the upper case.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as the preferred scheme, the air-dispersing row input is provided with the intake pipe, the intake pipe with ventilation area the air exit intercommunication, the air-dispersing row output is including a plurality of tip confined pipelines, and every closed pipeline below all is provided with a plurality of exhaust holes.
In the above-mentioned circulating purification device for ventilation air conditioner of hospital building, as an optimal scheme, the solid particles filled in the lower box body are a mixture of quartz sand and activated carbon, wherein the volume ratio of quartz sand to activated carbon is 3:1.
in the circulating purification device for the ventilation air conditioner of the hospital building, as a preferable scheme, the grain size of the quartz sand is 0.25 and 0.35 mm, and the grain size of the activated carbon is 2 and 5 mm.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as the preferred scheme, lower box below is provided with the unloading case, it is provided with the charge port to go up the box, unloading case top be the opening and with lower box intercommunication, unloading case with the junction of lower box is provided with the push-pull valve.
In the above-mentioned circulating purification device for the ventilation air conditioner of the hospital building, as an optimal scheme, a conveying screw is arranged in the discharge box, a discharge motor is arranged outside one end of the discharge box, a discharge opening is arranged at the other end of the discharge box, and the output end of the discharge motor is connected with the conveying screw.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as the preferred scheme, the feed opening has been seted up at the top of unloading case, the valve port has been seted up on the push-pull valve, the feed opening with the valve port size is unanimous, the groove has been seted up in unloading case top outside, and the inboard extends certain distance, the inward extending distance in unloading case top is greater than the width of feed opening, the push-pull valve inserts the unloading case in the groove, valve port edge to the distance of push-pull valve lateral surface is greater than the valve port width.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as the preferred scheme, the gas filter includes first lower filter tank, second lower filter tank and last filter tank, go up the filter tank and include mutually independent first grid, second grid and third grid, go up the bottom of filter tank with first lower filter tank with second lower filter tank sealing connection, first grid first lower filter tank second grid second lower filter tank with third grid communicates in proper order, first lower filter tank with between the second grid second lower filter tank and third grid are provided with second filter cartridge and third filter cartridge respectively, first grid lateral wall is provided with the flange that admits air, the flange that admits air is provided with the flange that admits air communicates to the ooff valve, the flange that admits air communicates to negative pressure fan.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as an optimized scheme, first air passing holes are formed in the bottom of the first grid, a second filter cylinder is arranged on one side of the bottom of the second grid, second air passing holes are formed in the other side of the bottom of the second grid, the bottom of the second filter cylinder is located inside the first lower filter box, a third filter cylinder is arranged at the bottom of the third grid, and the bottom of the second filter cylinder is located inside the second lower filter box.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as the preferred scheme, the second strain section of thick bamboo with the third strain section of thick bamboo all installs through the step hole, the step hole is including first round platform and the second round platform that sets gradually from bottom to top, the second round platform internal diameter is greater than first round platform internal diameter, the second strain section of thick bamboo with the third strain section of thick bamboo all is including stack shell and flange, the stack shell is the filter screen, the flange is fixed to be set up the upper end of stack shell, the stack shell external diameter with pass through the transition cooperation in the first round platform, the flange external diameter is greater than first round platform internal diameter, be less than the interior warp of second round platform, the flange passes through the ring cover crimping and is in on the first round platform up end, the ring cover includes big end and tip, the big end external diameter is greater than second round platform internal diameter, the tip external diameter is not greater than the second round platform internal diameter.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as an optimal scheme, the tip outer circle face of ring cover is provided with the external screw thread, the interior circle face of second round platform is provided with the internal screw thread, the ring cover passes through threaded connection the second round platform.
In the above-mentioned hospital building ventilation air conditioner circulation purifier, as an optimal scheme, first grid the second grid with be provided with first case lid, second case lid and third case lid respectively above the third grid, first case lid the second case lid with the third case lid is provided with the observation window respectively, the observation window is transparent glass, first case lid the second case lid with the third case lid respectively with first grid, second grid with third grid sealing connection.
The invention provides a circulating purification device for a ventilation air conditioner of a hospital building, which has the following beneficial effects:
1. the invention provides a circulating purification device of a ventilation air conditioner of a hospital building, which is characterized in that air exhaust air of the hospital building is introduced into a solid air washing device, the air exhaust air of the hospital building is disinfected by utilizing the solid particle adsorption and fluidized bed principle, the solid particles are a mixture of quartz sand and active carbon particles, the air is introduced into the quartz sand to enable the quartz sand to flow (the fluidized bed principle), the active carbon particles can effectively adsorb microorganisms such as viruses in the air, and the active carbon can be enabled to flow and disperse in the quartz sand to enable the active carbon to fully contact with the air flowing through the quartz sand, and meanwhile, the quartz sand also has the capability of adsorbing the viruses; the grain diameter of the quartz sand is 0.25 and 0.35 mm, so that dust is removed, and the dust in the quartz sand is prevented from floating along with air and enters the next working procedure;
2. the invention provides a circulating purification device of a ventilation air conditioner of a hospital building, wherein a discharging box is arranged below a solid gas washing device, a charging hole is arranged above the solid gas washing device, quartz sand and active carbon particles are replaced after being used for a period of time, and the replaced quartz sand and active carbon particles can be reused after being placed and cooled for a period of time through high-temperature treatment, so that the maintenance cost is saved;
3. the invention provides a circulating purification device of a ventilation air conditioner of a hospital building, which comprises two stages of filtration, wherein a box type structure is adopted, a second filter cartridge and a third filter cartridge are adopted, air discharged by a solid gas washing device is further filtered, dust particles filtered out can be stored in a first lower filter box and a second lower filter box, and an end cover of an upper filter box is opened to conveniently replace the second filter cartridge and the third filter cartridge; the exhaust air of the hospital building is sterilized and filtered by the solid air washing device and the air filtering device, so that the air can be supplied to the hospital building again for ventilation, the energy consumption is reduced, and meanwhile, the virus inside the hospital building is prevented from diffusing to the outside.
Drawings
Fig. 1 is a schematic diagram of an application flow structure of a circulating purification device for a ventilation air conditioner of a hospital building according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the overall structure of a circulating purification device for a ventilation air conditioner of a hospital building according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the overall structure of a solid gas washing device of a circulating purification device of a ventilation air conditioner for a hospital building, which is provided by the embodiment of the invention;
fig. 4 is a schematic diagram of the overall structure of a solid gas washing device of a circulating purification device of a ventilation air conditioner for a hospital building after being cut away, provided by the embodiment of the invention;
fig. 5 is a schematic diagram of the overall structure of the air dispersing and exhausting device of the ventilation air conditioning circulation purifying device for the hospital building, which is provided by the embodiment of the invention;
fig. 6 is a schematic diagram of the overall structure of a discharge box of the circulating purification device for the ventilation air conditioner of the hospital building, which is provided by the embodiment of the invention;
fig. 7 is a schematic cross-sectional structure of a solid gas washing device of a circulating purification device of a ventilation air conditioner for a hospital building according to an embodiment of the present invention;
fig. 8 is a schematic diagram of the overall structure of an air filtering device of a circulating purification device of a ventilation air conditioner for a hospital building according to an embodiment of the present invention;
fig. 9 is an exploded schematic view of an air filtering device of a circulating purification device of a ventilation air conditioner for a hospital building according to an embodiment of the present invention;
fig. 10 is a schematic cross-sectional structure of an air filtering device of a circulating purification device for a ventilation air conditioner of a hospital building according to an embodiment of the present invention.
Reference numerals illustrate:
1-ventilation area, 2-air outlet, 3-air inlet, 4-air outlet valve, 5-air outlet fan, 6-solid gas washing device, 7-switch valve, 8-gas filter device, 9-negative pressure fan, 10-air pipe, 11-support, 12-discharge box, 13-discharge motor, 14-gate valve, 15-conveyor screw, 16-discharge opening, 17-feed opening, 18-valve port, 61-air inlet pipe, 62-lower box, 63-upper box, 64-feed opening, 65-air outlet seat, 66-first filter cartridge, 67-air dispersing exhaust, 68-air outlet hole, 69-solid particles, 81-first lower filter box, 82-second lower filter box, 83-upper filter box, 84-first grid, 85-first box cover, 86-second grid, 87-second box cover, 88-third grid, 89-third box cover, 90-air inlet flange, 91-air outlet flange, 92-first air passing hole, 93-second air passing hole, 94-second filter cartridge, 95-third window, 96-first round table, 97-round table, round table and round table cover, 100-round table cover.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2, fig. 2 is a schematic diagram of an overall structure of a circulating purification device for a ventilation air conditioner of a hospital building according to an embodiment of the present invention; the invention provides a circulating purification device for a ventilation air conditioner of a hospital building, which comprises a solid air washing device 6 and an air filtering device 8 which are communicated, wherein the input end of the solid air washing device 6 is connected to an air outlet 2 of a ventilation area 1 of the hospital building, the output end of the air filtering device 8 is connected to an air inlet 3 of the ventilation area 1 of the hospital building, the solid air washing device 6 is used for purifying primary air exhaust through solid particles 69 and outputting secondary air exhaust to the air filtering device 8, and the air filtering device 8 is used for filtering the secondary air exhaust and re-conveying clean air to the ventilation area 1 of the hospital building. In the embodiment, the air exhausted by the hospital building is introduced into the solid air washing device 6, the air exhausted by the hospital building is disinfected by utilizing the solid particle adsorption and fluidized bed principle, the solid particles 69 are a mixture of quartz sand and active carbon particles, the air is introduced into the quartz sand to enable the quartz sand to flow (the fluidized bed principle), the active carbon particles can effectively adsorb microorganisms such as viruses in the air, and the active carbon can be enabled to flow and disperse in the quartz sand to enable the active carbon to fully contact with the air flowing through the quartz sand, and meanwhile, the quartz sand also has the capability of adsorbing the viruses; the grain diameter of the quartz sand is 0.25 and 0.35 mm, so that dust is removed, and the dust in the quartz sand is prevented from floating along with air and enters the next working procedure; when a small amount of dust enters the next working procedure, the dust, PM2.5/PM10, microorganisms, aerosol and the like remained in the air are gradually cleaned through the two-stage filtration of the air filtering device 8.
Referring to fig. 1, fig. 1 is a schematic diagram of an application flow structure of a circulation purifying device for a ventilation air conditioner of a hospital building according to an embodiment of the present invention; in the above-mentioned circulating purification device for ventilation air conditioner of hospital building, as a preferable scheme, an exhaust valve 4 and an exhaust fan 5 are sequentially arranged between the exhaust outlet 2 and the solid air washing device 6, the solid air washing device 6 is communicated with the air filtering device 8 through an air pipe 10, a switch valve 7 is arranged, and a negative pressure fan 9 is arranged between the air filtering device 8 and the air inlet 3. In this embodiment, the air conditioner can be used with a hospital air conditioning system, namely, the air outlet 2 is connected to the air outlet end of the hospital building air conditioning system, and the air inlet 3 is connected to the air inlet end of the hospital building air conditioning system.
Referring to fig. 3, fig. 4 and fig. 7, fig. 3 is a schematic overall structure diagram of a solid gas washing device 6 of a circulating purification device for ventilation and air conditioning of a hospital building according to an embodiment of the present invention, fig. 4 is a schematic overall structure diagram of a solid gas washing device 6 of a circulating purification device for ventilation and air conditioning of a hospital building after being cut away, and fig. 7 is a schematic sectional structure diagram of a solid gas washing device 6 of a circulating purification device for ventilation and air conditioning of a hospital building according to an embodiment of the present invention; in the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, as a preferred scheme, the solid air washing device 6 comprises an upper box 63, a lower box 62 and an air dispersing row 67, the upper box 63 and the lower box 62 are mutually spliced into a sealed cavity, the input end of the air dispersing row 67 is positioned outside the lower box 62 and communicated with the air outlet 2 of the ventilation area 1, the output end of the air dispersing row 67 is positioned at the inner bottom of the lower box 62, solid particles 69 are filled in the lower box 62, and the top of the upper box 63 is communicated to the air filtering device 8. The lower case 62 may be installed on the ground or any floor slab through the bracket 11.
In the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, as a preferable scheme, the top of the upper case 63 is provided with the exhaust seat 65, the exhaust seat 65 is provided with the first filter cartridge 66, and the bottom of the first filter cartridge 66 is located inside the upper case 63.
Referring to fig. 5, fig. 5 is a schematic diagram showing the overall structure of an air exhaust row 67 of a circulating purification device for ventilation and air conditioning of a hospital building according to an embodiment of the present invention; in the above-mentioned circulating purification device for ventilation air conditioner of hospital building, as a preferable scheme, the air-dispersing row 67 is provided with an air inlet pipe 6110 at its input end, the air inlet pipe 6110 is communicated with the air outlet 2 of the ventilation area 1, the air-dispersing row 67 comprises a plurality of pipes with closed ends, and a plurality of air-exhausting holes 68 are provided below each of the closed pipes.
In other embodiments of the present invention, the air exhaust holes 68 under each closed pipeline of the air exhaust rows 67 may be opened at 45 ° on both sides right under the pipeline, so that a quartz sand flow effect may be better generated.
In the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, as a preferred scheme, the solid particles 69 filled in the lower case 62 are a mixture of quartz sand and activated carbon, wherein the volume ratio of quartz sand to activated carbon is 3:1. the total volume ratio of the quartz sand to the activated carbon particles is 3:1, taking quartz sand as a base, according to the fluidized bed principle, after air is introduced into the quartz sand, the quartz sand can become flowing like water, and the air overflows upwards from the surface of the quicksand; and the activated carbon is dispersed in the quartz sand, and has good adsorption capacity to PM2.5/PM10, microorganisms and aerosol, so that the virus content and the virus aerosol in exhaust air are reduced. The silica sand floating with the overflow air falls back into the lower tank 62 under its own weight, and the silica sand remaining in the air is blocked in the tank of the solid scrubber 6 by being filtered by the first filter cartridge 66. The quartz sand and the activated carbon particles are replaced after being used for a period of time, and the replaced quartz sand and activated carbon particles can be reused after being placed and cooled for a period of time through high-temperature treatment.
In the circulating purification device for the ventilation air conditioner of the hospital building, as a preferable scheme, the particle size of the quartz sand is 0.25 and 0.35 mm, and the particle size of the activated carbon is 2 and 5 mm. In this embodiment, the mesh number of the filter screen of the first filter cartridge 66 is not less than 70 mesh, and the mesh size corresponding to the 70 mesh filter screen is 0.18mm, so that the quartz sand particles can be completely removed.
In the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, as a preferable scheme, a discharging box 12 is arranged below a lower box 62, a charging port 64 is arranged on an upper box 63, an opening is arranged above the discharging box 12 and is communicated with the lower box 62, and a gate valve 14 is arranged at the joint of the discharging box 12 and the lower box 62.
Referring to fig. 6, fig. 6 is a schematic diagram showing the overall structure of a discharge box 12 of a circulating purification apparatus for ventilation and air conditioning of a hospital building according to an embodiment of the present invention; in the above-mentioned circulating purification device for ventilation air conditioner of hospital building, as a preferable scheme, a conveying screw 15 is arranged in the discharge box 12, a discharge motor 13 is arranged outside one end of the discharge box 12, a discharge opening 16 is arranged at the other end of the discharge box, and the output end of the discharge motor 13 is connected with the conveying screw 15.
In the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, as a preferable scheme, the top of the unloading box 12 is provided with the feed opening 17, the gate valve 14 is provided with the valve port 18, the feed opening 17 is consistent with the valve port 18 in size, the outside of the top of the unloading box 12 is provided with the groove, the inside extends for a certain distance, the inward extending distance of the top of the unloading box 12 is greater than the width of the feed opening 17, the gate valve 14 is inserted into the unloading box 12 from the groove, and the distance from the edge of the valve port 18 to the outer side surface of the gate valve 14 is greater than the width of the valve port 18.
Referring to fig. 8, 9 and 10, fig. 8 is a schematic diagram of an overall structure of a gas filtering device 8 of a ventilation air conditioning and circulating purification device for a hospital building according to an embodiment of the present invention, fig. 9 is a schematic diagram of an explosion structure of a gas filtering device 8 of a ventilation air conditioning and circulating purification device for a hospital building according to an embodiment of the present invention, and fig. 10 is a schematic diagram of a cross-sectional structure of a gas filtering device 8 of a ventilation air conditioning and circulating purification device for a hospital building according to an embodiment of the present invention; in the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, as a preferred scheme, the air filtering device 8 comprises a first lower filtering box 81, a second lower filtering box 82 and an upper filtering box 83, the upper filtering box 83 comprises a first grid 84, a second grid 86 and a third grid 88 which are mutually independent, the bottom of the upper filtering box 83 is in sealing connection with the first lower filtering box 81 and the second lower filtering box 82, the first grid 84, the first lower filtering box 81, the second grid 86, the second lower filtering box 82 and the third grid 88 are sequentially communicated, a second filtering cylinder 94 and a third filtering cylinder 95 are respectively arranged between the first lower filtering box 81 and the second grid 86 and between the second lower filtering box 82 and the third grid 88, an air inlet flange 90 is arranged on the outer side wall of the first grid 84, an air outlet flange 91 is arranged on the outer side wall of the third grid 88, the air inlet flange 90 is communicated to the switch valve 7, and the air outlet flange 91 is communicated to the negative pressure fan 9. In this embodiment, the mesh number of the filter screen of the second filter cartridge 94 is not less than 120, the mesh size corresponding to the 120 mesh filter screen is 0.106mm, the mesh number of the filter screen of the third filter cartridge 95 is not less than 270 mesh, and the mesh size corresponding to the 270 mesh filter screen is 0.0450mm.
In the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, as a preferred scheme, the bottom of the first grid 84 is provided with the first air passing holes 92, one side of the bottom of the second grid 86 is provided with the second filter cartridge 94, the other side is provided with the second air passing holes 93, the bottom of the second filter cartridge 94 is located inside the first lower filter box 81, the bottom of the third grid 88 is provided with the third filter cartridge 95, and the bottom of the second filter cartridge 94 is located inside the second lower filter box 82.
In the foregoing hospital building ventilation air conditioning circulation purification device, as a preferred scheme, the second filter cylinder 94 and the third filter cylinder 95 are all installed through the step hole, the step hole is including the first round platform 97 and the second round platform 98 that set gradually from bottom to top, the second round platform 98 internal diameter is greater than first round platform 97 internal diameter, the second filter cylinder 94 and the third filter cylinder 95 are all including barrel and flange 100, the barrel is the filter screen, the flange 100 is fixed to be set up in barrel upper end, the barrel external diameter passes through the transition cooperation in with the first round platform 97, flange 100 external diameter is greater than first round platform 97 internal diameter, be less than second round platform 98 internal diameter, flange 100 is through ring cover 99 crimping on first round platform 97 up end, ring cover 99 is including big end and tip, the big end external diameter is greater than second round platform 98 internal diameter, the minor segment external diameter is not greater than second round platform 98 internal diameter.
In the above-mentioned circulating purification device for ventilation air conditioner of hospital building, as a preferable scheme, the outer circular surface of the small end of the ring sleeve 99 is provided with external threads, the inner circular surface of the second circular table 98 is provided with internal threads, and the ring sleeve 99 is connected with the second circular table 98 through threads.
In the above-mentioned circulating purification device for ventilation and air conditioning of hospital building, preferably, the first cover 85, the second cover 87 and the third cover 89 are respectively provided above the first grid 84, the second grid 86 and the third grid 88, the first cover 85, the second cover 87 and the third cover 89 are respectively provided with the observation window 96, the observation window 96 is transparent glass, and the first cover 85, the second cover 87 and the third cover 89 are respectively connected with the first grid 84, the second grid 86 and the third grid 88 in a sealing manner.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing has outlined rather broadly the more detailed description of the invention in order that the detailed description of the invention that follows may be better understood, and in order that the present principles and embodiments may be better understood; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the idea of the present invention, the present disclosure should not be construed as limiting the present invention in summary.
Claims (10)
1. The utility model provides a hospital building ventilation air conditioner circulation purifier which characterized in that, including solid gas washing device and the gas filtering device that is linked together, the input of solid gas washing device is connected to the air exit of hospital building ventilation area, the output of gas filtering device is connected to the air intake of hospital building ventilation area, solid gas washing device is used for purifying the primary exhaust through solid particle to export the secondary exhaust and give gas filtering device, gas filtering device is used for filtering the secondary exhaust, and the clean air of re-conveying gives the ventilation area of hospital building; the solid gas washing device comprises an upper box body, a lower box body and a gas dispersing exhaust, wherein the upper box body and the lower box body are mutually spliced to form a sealed cavity, the gas dispersing exhaust input end is positioned outside the lower box body and communicated with the air outlet of a ventilation area, the gas dispersing exhaust output end is positioned at the inner bottom of the lower box body, solid particles are filled in the lower box body, and the top of the upper box body is communicated to the gas filtering device; the air dispersing and discharging input end is provided with an air inlet pipe which is communicated with the air outlet of the ventilation area, the air dispersing and discharging output end comprises a plurality of pipelines with closed ends, and a plurality of air discharging holes are arranged below each closed pipeline; the automatic feeding device is characterized in that a discharging box is arranged below the lower box body, the upper box body is provided with a charging hole, an opening is formed above the discharging box body and is communicated with the lower box body, and a gate valve is arranged at the joint of the discharging box body and the lower box body.
2. The circulating purification device for the ventilation air conditioner of the hospital building according to claim 1, wherein an exhaust valve and an exhaust fan are sequentially arranged between the exhaust outlet and the solid air washing device, the solid air washing device is communicated with the air filtering device through an air pipe, an on-off valve is arranged, and a negative pressure fan is arranged between the air filtering device and the air inlet.
3. The hospital building ventilation air conditioning cycle purification device of claim 1, wherein an exhaust seat is arranged at the top of the upper box body, a first filter cartridge is installed on the exhaust seat, and the bottom of the first filter cartridge is located inside the upper box body.
4. The circulating purification device of the ventilation air conditioner of the hospital building according to claim 1, wherein the solid particles filled in the lower box body are a mixture of quartz sand and activated carbon, and the volume ratio of the quartz sand to the activated carbon is 3:1.
5. the circulating purification device for ventilation and air conditioning of hospital building according to claim 4, wherein the particle size of the quartz sand is in the range of [0.25,0.35] mm, and the particle size of the activated carbon is in the range of [2,5] mm.
6. The circulating purification device for the ventilation air conditioner of the hospital building according to claim 1, wherein a conveying screw is arranged in the discharge box, a discharge motor is arranged outside one end of the discharge box, a discharge opening is arranged at the other end of the discharge box, and the output end of the discharge motor is connected with the conveying screw; the top of the discharging box is provided with a discharging opening, the gate valve is provided with a valve port, the discharging opening is consistent with the valve port in size, the outer side of the top of the discharging box is provided with a groove, the inner side of the top of the discharging box extends for a certain distance, the inward extending distance of the top of the discharging box is larger than the width of the discharging opening, the gate valve is inserted into the discharging box from the groove, and the distance from the edge of the valve port to the outer side face of the gate valve is larger than the width of the valve port.
7. The circulating purification device for the ventilation air conditioner of the hospital building according to claim 2, wherein the air filtering device comprises a first lower filter tank, a second lower filter tank and an upper filter tank, the upper filter tank comprises a first grid, a second grid and a third grid which are mutually independent, the bottom of the upper filter tank is in sealing connection with the first lower filter tank and the second lower filter tank, the first grid, the first lower filter tank, the second grid, the second lower filter tank and the third grid are sequentially communicated, a second filter cylinder and a third filter cylinder are respectively arranged between the first lower filter tank and the second grid and between the second lower filter tank and the third grid, an air inlet flange is arranged on the outer side wall of the first grid, an air outlet flange is arranged on the outer side wall of the third grid, and the air inlet flange is communicated to the switch valve and the air outlet flange is communicated to the negative pressure fan.
8. The circulating purification device of the ventilation air conditioner of the hospital building according to claim 7, wherein a first air passing hole is formed in the bottom of the first grid, a second filter cylinder is arranged on one side of the bottom of the second grid, a second air passing hole is formed in the other side of the bottom of the second grid, the bottom of the second filter cylinder is located in the first lower filter box, a third filter cylinder is arranged at the bottom of the third grid, and the bottom of the second filter cylinder is located in the second lower filter box.
9. The hospital building ventilation air conditioning circulation purification device according to claim 8, wherein the second filter cylinder and the third filter cylinder are installed through step holes, the step holes comprise a first round table and a second round table which are sequentially arranged from bottom to top, the inner diameter of the second round table is larger than that of the first round table, the second filter cylinder and the third filter cylinder comprise cylinder bodies and flanges, the cylinder bodies are filter screens, the flanges are fixedly arranged at the upper ends of the cylinder bodies, the outer diameters of the cylinder bodies are in transition fit with the inner diameters of the first round table, the outer diameters of the flanges are larger than that of the first round table and smaller than that of the second round table, the flanges are connected onto the upper end face of the first round table in a pressing mode through a ring, the ring comprises a large end and a small end, the outer diameters of the large end are larger than that of the second round table, and the outer diameters of the small end are not larger than that of the second round table. The small end outer circular surface of the ring sleeve is provided with external threads, the second circular table inner circular surface is provided with internal threads, and the ring sleeve is connected with the second circular table through threads.
10. The hospital building ventilation air conditioning circulation purification device according to claim 7, wherein a first box cover, a second box cover and a third box cover are respectively arranged above the first grid, the second grid and the third grid, the first box cover, the second box cover and the third box cover are respectively provided with an observation window, the observation window is transparent glass, and the first box cover, the second box cover and the third box cover are respectively connected with the first grid, the second grid and the third grid in a sealing mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210029424.5A CN114294749B (en) | 2022-01-12 | 2022-01-12 | Circulating purification device for ventilation air conditioner of hospital building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210029424.5A CN114294749B (en) | 2022-01-12 | 2022-01-12 | Circulating purification device for ventilation air conditioner of hospital building |
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| CN114294749B true CN114294749B (en) | 2023-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2902359B2 (en) * | 1996-07-04 | 1999-06-07 | 金剛株式会社 | Storage body with air environment adjustment function |
| CN201493034U (en) * | 2009-08-14 | 2010-06-02 | 何新华 | Air purifier |
| CN206989353U (en) * | 2017-07-17 | 2018-02-09 | 牛子元 | A kind of removable PM2.5 air cleaning unit |
| CN111167287A (en) * | 2020-02-18 | 2020-05-19 | 陈瑞德 | Medical air purification device |
| CN112161346B (en) * | 2020-10-15 | 2021-06-11 | 四川纯阳润森节能环保有限公司 | Air purification device for hospital |
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