CN115875775B - Air outlet system for air conditioning - Google Patents
Air outlet system for air conditioning Download PDFInfo
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- CN115875775B CN115875775B CN202310121904.9A CN202310121904A CN115875775B CN 115875775 B CN115875775 B CN 115875775B CN 202310121904 A CN202310121904 A CN 202310121904A CN 115875775 B CN115875775 B CN 115875775B
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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
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- 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 an air outlet system for air conditioning, which comprises a ventilating duct, an exhaust hood positioned in a pathology department and an outdoor fan set, wherein one end of the ventilating duct is connected with the exhaust hood, and the other end of the ventilating duct is led to the outside; the device also comprises an air heater, a plasma purifying device, a heat exchange component and a filtering device; the air heater is arranged on the ventilation pipeline; one end of the ventilating pipeline, which is communicated with the outside, is sequentially communicated with the plasma purifying device, the heat exchange assembly and the filtering device, and the filtering device is connected with the fan set through a pipeline. Arranging an air heater on the ventilation pipeline; the air heater is used for heating the air extracted from the pathology department and mixed with the formaldehyde, the dimethylbenzene and other harmful gases, so that the adhesiveness of the formaldehyde, the dimethylbenzene and other harmful gases is reduced, the adhesiveness of the formaldehyde, the dimethylbenzene and other harmful gases on a ventilation pipeline is reduced, the reflux amount and volatilization of the harmful gases in the pathology department are reduced, the health of pathology experimenters is protected, and the environmental pollution is reduced; the pipe ventilating duct does not need to be replaced regularly, so that the cost is reduced.
Description
Technical Field
The invention relates to the technical field of indoor air purification, in particular to an air outlet system for air conditioning.
Background
The pathology department is specially used for other pathology experiments such as specimen preservation, material taking, dehydration, embedding, staining and the like, and a large amount of various chemical solvents such as formaldehyde, dimethylbenzene, formalin, dehydration reagent, staining reagent and the like are required for tissue fixation, treatment and the like in the experiments. The reagents used in a large amount in daily life can easily volatilize toxic and irritant gases such as formaldehyde, dimethylbenzene and the like to pollute the air in a laboratory. The air in the room is typically conditioned by a ventilation system of the pathology department; the harmful gases such as formaldehyde, dimethylbenzene and the like volatilized by the air outlet system are discharged through the pipeline, and fresh air is supplied to the room through the air inlet system, so that the effect of adjusting the indoor air is achieved.
However, in the prior art, because the adhesion of formaldehyde, xylene and other harmful gases volatilized in the pathology experiments is very strong, the harmful gases are easily adhered to the pipelines, and after working or leave-out time of pathology experiment workers, because the experiments are not carried out any more, the corresponding chemical solvents are not used and opened any more, the concentration of the harmful gases generated in the indoor space is greatly reduced, and in addition, the whole hospital power saving and cost reasons are that the ventilation system of the pathology department is in a closed state, so that the formaldehyde, xylene and other harmful gases adhered to the pipelines are easily returned to the pathology department when the temperature is high in summer, the harmful gases returned to the indoor space are adsorbed on the walls, equipment and other positions, the laboratory is volatilized by the workers in the next day, the concentration of the harmful gases in the indoor space is increased, and if the pathology experiment workers inhale excessive for a long time, the number of white blood cells in the human body is possibly reduced sharply, thereby causing diseases such as leukemia and cancers and the like, and causing serious influences on the health of the experiment workers; if the pipe ventilation duct is replaced regularly, the cost is too high.
In addition, the existing air outlet system is generally only provided with an active adsorption material on a pipeline, has poor effect of purifying harmful gases such as formaldehyde, dimethylbenzene and the like discharged through the pipeline, is discharged into the outside air, and is easy to cause harm.
On the other hand, after the pathology experiment workers leave work or leave the work, even if the experiments are not performed any more, the corresponding chemical solvent test bottles volatilize slight formaldehyde, dimethylbenzene and other harmful gases, adsorb the harmful gases on the walls, equipment and other positions, and cause health problems for the experiment workers for a long time; if the fan set of the ventilation system is started for exhausting, the fan set has high power and high energy consumption, and the cost is increased.
Disclosure of Invention
The present invention is directed to overcoming the drawbacks of the prior art described above and providing an air outlet system for air conditioning. According to the invention, the air heater is arranged on the ventilating duct, especially at one end of the air outlet, and the air heater is used for heating the air extracted from the pathology department and mixed with the formaldehyde, the dimethylbenzene and other harmful gases, so that the adhesiveness of the formaldehyde, the dimethylbenzene and other harmful gases is reduced, the adhesiveness of the formaldehyde, the dimethylbenzene and other harmful gases on the ventilating duct, the reflux quantity and volatilization of the formaldehyde, the dimethylbenzene and other harmful gases in the pathology department are reduced, and the health of a pathology experimenter is protected.
The technical scheme adopted for solving the technical problems is as follows: an air outlet system for air conditioning comprises a ventilating duct, an exhaust hood positioned in a pathology department room and an outdoor fan set, wherein one end of the ventilating duct is connected with the exhaust hood, and the other end of the ventilating duct is led to the outside; the device also comprises an air heater, a plasma purifying device, a heat exchange component and a filtering device; the air heater is arranged on the ventilation pipeline; one end of the ventilating pipeline, which is communicated with the outside, is sequentially communicated with the plasma purifying device, the heat exchange assembly and the filtering device, and the filtering device is connected with the fan set through a pipeline.
Preferably, the air heater comprises an air flow channel connected with the ventilating duct and an electric heating pipe arranged in the air flow channel, wherein the air flow channel is in a spindle shape, and the electric heating pipe is positioned in the middle of the spindle-shaped air flow channel.
Preferably, the air heater is provided in plurality, wherein at least one air heater is located at one end of the ventilation duct near the exhaust hood.
Preferably, the plasma purifying device comprises a cylinder body communicated with the ventilating duct, and the cylinder body is formed by sealing and butting an arc-shaped plate and a V-shaped plate; a plurality of first insulating pipes are arranged on the inner wall of the arc-shaped plate, and a negative electrode wire is arranged in each first insulating pipe; the bending part of the V-shaped plate is provided with a second insulating tube, and a positive line is arranged in the second insulating tube.
Preferably, the heat exchange assembly comprises a shell, wherein an air pipeline and a water pipeline are arranged in the shell; the air pipeline is communicated with the ventilation pipeline; the water pipeline is sleeved on the air pipeline, one end of the water pipeline is communicated with the water inlet pipeline of tap water, and the other end of the water pipeline is communicated with the return pipeline of tap water.
Preferably, the direction of air flow in the air pipeline is opposite to the water flow direction of the water pipeline.
Preferably, the sections of the air pipeline and the water pipeline are flat elliptic.
Preferably, the filter device is provided with a HEPA filter screen and an active carbon filter screen in sequence.
Preferably, a circulation system is arranged in the pathology department; the circulating system comprises a machine body fixed at the top of the pathology department, an air inlet and an air outlet are arranged on the machine body, and an adsorption device and a low-power fan are also arranged in the machine body; the air inlet, the adsorption device, the low-power fan and the air outlet are connected through pipelines in sequence.
Preferably, the indoor auxiliary pipeline is paved along the wall root, and the pipe wall is provided with a grid-shaped air inlet; the indoor auxiliary pipeline is communicated with the exhaust hood.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) The air heater is arranged on the ventilation pipeline; the air heater is used for heating the air extracted from the pathology department and mixed with the formaldehyde, the dimethylbenzene and other harmful gases, so that the adhesiveness of the formaldehyde, the dimethylbenzene and other harmful gases is reduced, the adhesiveness of the formaldehyde, the dimethylbenzene and other harmful gases on a ventilation pipeline is reduced, the reflux amount and volatilization of the harmful gases in the pathology department are reduced, the health of pathology experimenters is protected, and the environmental pollution is reduced; the pipe ventilating duct does not need to be replaced regularly, so that the cost is reduced.
(2) Harmful gas exhausted by a pathology department is treated through a plasma purifying device, so that the treatment effect is improved, and the pollution to the outside air is reduced; the temperature of the heated pathology department indoor air is reduced through the heat exchange component, volatilization is reduced, the heated pathology department indoor air is more easily intercepted by the filtering device, and the filtering efficiency of the harmful gas is improved.
(3) The air with harmful gas discharged from the pathology department flows through the air flow channel of the air heater, and the air is heated by the electric heating pipe, so that the adhesiveness of the harmful gas in the air is reduced; the air heaters are arranged in a plurality of steps, can heat the discharged air, and are suitable for longer ventilating pipelines; wherein at least one air heater is located the one end that is close to the exhaust hood of air pipe, guarantees to realize heating once take out in the air pipe through the indoor exhaust air of pathology department, reduces its adhesion in the pipeline.
(4) The airflow channel is in a spindle shape, and the electric heating pipe is positioned in the middle of the spindle-shaped airflow channel. The spindle-shaped airflow channel has the characteristics of large middle diameter and small diameters at two ends, and after gas flows into the airflow channel from one end, the passing cross section gradually becomes larger, so that the gas flow speed is slowed down, the contact time with the electric heating pipe is prolonged, and a better heating effect is achieved.
(5) The first insulating tube and the second insulating tube are made of insulating materials, when high voltage is formed between the positive electrode wire and the negative electrode wire, air in the cylinder body is broken down to generate high-voltage current, positive and negative ions such as ozone ions are formed in the cylinder body, and the air mixed with harmful gases such as formaldehyde, dimethylbenzene and the like can be treated and purified.
(6) The heat exchange component is internally provided with an air pipeline and a water pipeline; the air mixed with formaldehyde, dimethylbenzene and other harmful gases enters the air pipeline to exchange heat with tap water in the water pipeline for cooling, the tap water is convenient to take, the cost is low, the temperature of the tap water is not high in summer, and the cooling effect can be well achieved.
(7) The air flow direction in the air pipeline is opposite to the water flow direction of the water pipeline; ensuring that running water of air which enters into and goes out of the air pipeline to exchange heat with the running water is low in temperature; the water and the gas are prevented from flowing in the same direction, and under the condition of almost the flow speed, once the heat balance is achieved, tap water cannot be cooled on the rest travel; thereby reducing the effect of cooling the air drawn from the pathology department.
(8) The sections of the air pipeline and the water pipeline are flat elliptic, so that the heat exchange area is increased, and the efficiency is improved.
(9) The filter device reduces the diffusion of harmful gas to the outside through double-layer filtration of the HEPA filter screen and the active carbon filter screen, protects the environment and prevents pollution.
(10) A circulating system with an adsorption device and a low-power fan is arranged in a pathology department room; when a pathology experiment worker leaves work or is in a fake-free time, a low-power fan is started to pump air in a pathology department to a circulating system from an air inlet and then discharge the air from an air outlet for circulation, and trace amounts of harmful gases such as formaldehyde, xylene and the like in the air are adsorbed by an adsorption device, and an activated carbon adsorption net is arranged in the adsorption device, so that the adsorption of the gases to indoor equipment such as walls, equipment and the like is reduced; the small circulation and filtration of indoor air are realized, and the health of workers in the experiment is ensured; the low-power fan can realize air circulation and reduce cost.
(11) The indoor auxiliary pipeline is paved along the wall root and communicated with the air outlet, so that harmful gases which are gathered at the floors and the wall root of the pathology department and are far away from the position where the air outlet is not easy to be pumped are extracted; the pipe wall is provided with a grid-shaped air inlet, so that foreign matters are prevented from entering.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of an air heater;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 4 is a partial cross-sectional view of the heat exchange assembly;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;
FIG. 6 is a cross-sectional view of a filter device;
fig. 7 is a schematic view of an indoor auxiliary duct arrangement.
Reference numerals illustrate:
1-a ventilation duct;
2-air heater, 21-air flow channel, 22-electric heating tube;
3-heat exchange assembly, 31-housing, 32-gas conduit, 33-water conduit,
the plasma purifying device comprises a 4-plasma purifying device, a 41-cylinder, a 42-arc-shaped plate, a 43-V-shaped plate, a 44-first insulating tube, a 45-second insulating tube, a 46-negative electrode wire and a 47-positive electrode wire;
5-filtering device, 51-HEPA filter screen, 52-active carbon filter screen;
6-a circulation system, 61-an adsorption device, 62-a low-power fan, 63-a machine body, 64-an air inlet and 65-an air outlet;
7-indoor auxiliary pipelines and 71-air inlets;
8, an exhaust hood;
9-fan set.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution 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 only some embodiments of the present invention, not all embodiments.
Examples
The invention will be further described with reference to fig. 1-7, wherein an air outlet system for air conditioning, as shown in fig. 1, comprises a ventilating duct 1, an exhaust hood 8 positioned in a pathology department and an outdoor fan set 9, wherein one end of the ventilating duct 1 is connected with the exhaust hood 8, and the other end of the ventilating duct is led to the outside; the fan set 9 starts the exhaust, and the air in the pathology department flows out of the air chamber through the exhaust hood 8 from the ventilation pipeline 1. Also included are an air heater 2, a plasma cleaning device 4, a heat exchange assembly 3 and a filter device 5.
The air heater 2 is arranged on the ventilation pipeline 1; the air heater 2 is used for heating the air extracted from the pathology department and mixed with formaldehyde, dimethylbenzene and other harmful gases, so that the adhesiveness of the formaldehyde, dimethylbenzene and other harmful gases is reduced, the adhesiveness of the formaldehyde, dimethylbenzene and other harmful gases on the ventilating duct 1 is reduced, the reflux amount and volatilization of the harmful gases in the pathology department are reduced, the health of a pathology experimenter is protected, and meanwhile, the effects of certain disinfection and sterilization are also achieved, and the environment pollution caused by entrained germs is avoided. The pipe ventilating duct does not need to be replaced regularly, so that the cost is reduced.
One end of the ventilating duct 1 leading to the outside is sequentially communicated with the plasma purifying device 4, the heat exchange assembly 3 and the filtering device 5, and the filtering device 5 is connected with the fan set 9 through a pipeline.
The harmful gas exhausted by the pathology department is treated by the plasma purifying device 4, so that the treatment effect is improved, and the pollution to the outside air is reduced; the temperature of the heated air in the pathology department room is reduced through the heat exchange component 3, volatilization is reduced, the air is more easily intercepted by the filtering device 5, and the filtering efficiency of the harmful gas is improved.
As shown in fig. 2, the air heater 2 includes an air flow passage 21 connected to the ventilation duct 1 and an electric heating pipe 22 provided in the air flow passage 21; the air with harmful gas discharged from the pathology department flows through the air flow channel 21, and is heated by the electric heating tube 22 to reduce the adhesion of the harmful gas therein. The airflow channel 21 is spindle-shaped, and the electric heating tube 22 is positioned in the middle of the spindle-shaped airflow channel 21. The spindle-shaped gas flow channel 21 has the characteristics of large middle diameter and small diameters at two ends, and after gas flows into the gas flow channel 21 from one end, the passing cross section gradually becomes larger, so that the gas flow speed is slowed down, the contact time with the electric heating pipe 22 is prolonged, and a better heating effect is achieved.
The air heater 2 is provided with a plurality of air heaters, can heat the discharged air step by step and is suitable for a longer ventilating duct 1; wherein at least one air heater 2 is located the air pipe 1 and is close to exhaust hood 8's one end, guarantees to take out in the pathology department indoor exhaust air once take out in the air pipe 1 can realize heating, reduces its adhesion in the pipeline.
As shown in fig. 1 and 3, the plasma purifying device 4 comprises a cylinder 41 communicated with the ventilating duct 1, and the cylinder 41 is formed by sealing and butting an arc-shaped plate 42 and a V-shaped plate 43; a plurality of first insulating pipes 44 are arranged on the inner wall of the arc-shaped plate 42, and a negative electrode wire 46 is arranged in the first insulating pipes 44; the bending part of the V-shaped plate 43 is provided with a second insulating tube 45, and a positive line 47 is arranged in the second insulating tube 45.
The first insulating tube 44 and the second insulating tube 45 are made of insulating materials, when high voltage is formed between the positive electrode wire 47 and the negative electrode wire 46, air in the cylinder 41 is broken down to generate high voltage current, positive and negative ions such as ozone ions are formed in the cylinder 41, and air mixed with harmful gases such as formaldehyde, xylene and the like can be treated and purified.
As shown in fig. 4 and 5, the heat exchange assembly 3 includes a housing 31, and an air pipe 32 and a water pipe 33 are provided in the housing 31; the air duct 32 communicates with the ventilation duct 1; the water pipeline 33 is sleeved on the air pipeline 32, one end of the water pipeline 33 is communicated with a water inlet pipeline of tap water, and the other end of the water pipeline 33 is communicated with a return pipeline of the tap water.
The air mixed with harmful gases such as formaldehyde, dimethylbenzene and the like enters the air pipeline 32, exchanges heat with tap water in the water pipeline 33, reduces the temperature, is convenient to take tap water, has low cost, and has low water temperature in summer, thereby having good cooling effect.
As shown in fig. 4, the direction of air flow within air conduit 32 is opposite to the direction of water flow of water conduit 33. Ensuring that the running water with which the air exchanges heat from the inlet to the outlet of the air pipe 32 is at a low temperature; the water and the gas are prevented from flowing in the same direction, and under the condition of almost the flow speed, once the heat balance is achieved, tap water cannot be cooled on the rest travel; thereby reducing the effect of cooling the air drawn from the pathology department.
As shown in fig. 5, the sections of the air pipe 32 and the water pipe 33 are flat elliptic; the heat exchange area is increased, and the efficiency is improved.
As shown in fig. 6, the filter device 5 is sequentially provided with a HEPA filter screen 51 and an activated carbon filter screen 52, and the double-layer filtration of the HEPA filter screen 51 and the activated carbon filter screen 52 reduces the diffusion of harmful gas to the outside, protects the environment and prevents pollution.
As shown in fig. 1, a circulation system 6 is arranged in the pathology department room; the circulation system 6 comprises a machine body 63 fixed at the top of the pathology department, an air inlet 64 and an air outlet 65 are arranged on the machine body 63, and an adsorption device 61 and a low-power fan 62 are also arranged in the machine body 63; the air inlet 64, the adsorption device 61, the low-power fan 62 and the air outlet 65 are sequentially connected through pipelines.
When a pathology experiment worker leaves work or is in a fake-free time and does not perform a test any more, a low-power fan 62 is started, air in a pathology department is pumped to a circulation system 6 from an air inlet 64 for circulation, a small amount of harmful gases such as formaldehyde and dimethylbenzene in the air are adsorbed by an adsorption device 61, and an activated carbon adsorption net is arranged in the adsorption device 61, so that the adsorption of the gases to indoor equipment such as walls and equipment is reduced; the small circulation and filtration of indoor air are realized, and the health of workers in the experiment is ensured; the low-power fan can realize air circulation and reduce cost.
As shown in fig. 7, the utility model also comprises an indoor auxiliary pipeline 7, the indoor auxiliary pipeline 7 is laid along the wall root and communicated with the exhaust hood 8, which is helpful for extracting the harmful gases gathered on the floors and the wall roots of the pathology department, and is far away from the positions where the exhaust hood 8 is not easy to be extracted, and the floors and the wall roots of the pathology department can be extracted. The pipe wall is provided with a grid-shaped air inlet 71 to avoid foreign matters from entering.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. refer to the orientation or positional relationship based on that shown in the drawings, and are merely for the purpose of describing the present invention and do not require that the present invention must be constructed or operated in a specific orientation, and thus should not be construed as limiting the present invention. "connected" and "connected" in the present invention are to be understood broadly, and may be, for example, connected or detachably connected; the connection may be direct or indirect through intermediate members, and the specific meaning of the terms may be understood in detail by those skilled in the art.
The present invention is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (7)
1. An air outlet system for air conditioning comprises a ventilating duct (1), an exhaust hood (8) positioned in a pathology department room and an outdoor fan set (9), wherein one end of the ventilating duct (1) is connected with the exhaust hood (8), and the other end of the ventilating duct is led to the outside; the device is characterized by further comprising an air heater (2), a plasma purifying device (4), a heat exchange component (3) and a filtering device (5);
the air heater (2) is arranged on the ventilating duct (1);
one end of the ventilating duct (1) leading to the outside is sequentially communicated with the plasma purifying device (4), the heat exchange assembly (3) and the filtering device (5), and the filtering device (5) is connected with the fan set (9) through a pipeline;
the plasma purifying device (4) comprises a cylinder body (41) communicated with the ventilating duct (1), wherein the cylinder body (41) is formed by sealing and butting an arc-shaped plate (42) and a V-shaped plate (43);
a plurality of first insulating pipes (44) are arranged on the inner wall of the arc-shaped plate (42), and a negative electrode wire (46) is arranged in each first insulating pipe (44); an insulation pipe II (45) is arranged at the bending position of the V-shaped plate (43), and a positive line (47) is arranged in the insulation pipe II (45);
the air heater (2) comprises an air flow channel (21) connected with the ventilating duct (1) and an electric heating pipe (22) arranged in the air flow channel (21), the air flow channel (21) is in a spindle shape, and the electric heating pipe (22) is positioned in the middle of the spindle-shaped air flow channel (21);
the air heaters (2) are arranged in a plurality, wherein at least one air heater (2) is positioned at one end of the ventilating duct (1) close to the exhaust hood (8).
2. An air outlet system for air conditioning according to claim 1, characterized in that the heat exchange assembly (3) comprises a housing (31), the housing (31) being provided with an air duct (32) and a water duct (33);
the air pipeline (32) is communicated with the ventilation pipeline (1); the water pipeline (33) is sleeved on the air pipeline (32), one end of the water pipeline (33) is communicated with a water inlet pipeline of tap water, and the other end of the water pipeline is communicated with a return pipeline of the tap water.
3. An air outlet system for air conditioning according to claim 2, characterized in that the air flow direction in the air duct (32) is opposite to the water flow direction of the water duct (33).
4. An air outlet system for air conditioning according to claim 2, characterized in that the sections of the air duct (32) and the water duct (33) are each flat oval.
5. An air outlet system for air conditioning according to claim 1, characterized in that the filtering device (5) is provided with a HEPA filter (51) and an activated carbon filter (52) in sequence.
6. An air outlet system for air conditioning according to claim 1, characterized in that a circulation system (6) is provided in the pathology department; the circulating system (6) comprises a machine body (63) fixed at the top of a pathology department, an air inlet (64) and an air outlet (65) are formed in the machine body (63), and an adsorption device (61) and a low-power fan (62) are further arranged in the machine body (63);
the air inlet (64), the adsorption device (61), the low-power fan (62) and the air outlet (65) are sequentially connected through pipelines.
7. An air outlet system for air conditioning according to claim 1, further comprising an indoor auxiliary duct (7), wherein the indoor auxiliary duct (7) is laid along a wall root, and a grid-shaped air inlet (71) is arranged on the wall of the indoor auxiliary duct; the indoor auxiliary pipeline (7) is communicated with the exhaust hood (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310121904.9A CN115875775B (en) | 2023-02-16 | 2023-02-16 | Air outlet system for air conditioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310121904.9A CN115875775B (en) | 2023-02-16 | 2023-02-16 | Air outlet system for air conditioning |
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| CN115875775A CN115875775A (en) | 2023-03-31 |
| CN115875775B true CN115875775B (en) | 2023-07-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201245446Y (en) * | 2008-07-25 | 2009-05-27 | 山东联合化工股份有限公司 | Efficient salt manufacturing apparatus |
| CN103841742B (en) * | 2014-03-26 | 2016-04-20 | 徐州科融环境资源股份有限公司 | Magnetic rotation arc plasma generator |
| CN205316585U (en) * | 2016-01-29 | 2016-06-15 | 尚鲁强 | Inspection air circulation system of administrative or technical offices |
| CN209013370U (en) * | 2018-09-03 | 2019-06-21 | 湖南正海现代实验室设备有限公司 | A kind of hospital pathology department air cleaning unit |
| CN111520832B (en) * | 2020-04-21 | 2022-01-18 | 山东康德莱净化工程有限公司 | High efficiency air purification device and air purification system |
| CN214841698U (en) * | 2021-03-04 | 2021-11-23 | 淮阴工学院 | Remove formaldehyde device based on heat pump |
| JP7025072B1 (en) * | 2021-06-14 | 2022-02-24 | 株式会社Ｆｈアライアンス | Duct type air conditioning ventilation system |
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