CN113566343A - Medical air purification type air conditioning system - Google Patents
Medical air purification type air conditioning system Download PDFInfo
- Publication number
- CN113566343A CN113566343A CN202111041615.5A CN202111041615A CN113566343A CN 113566343 A CN113566343 A CN 113566343A CN 202111041615 A CN202111041615 A CN 202111041615A CN 113566343 A CN113566343 A CN 113566343A
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- Prior art keywords
- air
- conditioning system
- return
- bypass pipeline
- fan
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 35
- 238000004887 air purification Methods 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000746 purification Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- F24F13/02—Ducting arrangements
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- 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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- 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
- F24F8/108—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 using dry filter elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a medical air purification type air conditioning system, which comprises: the fan blade group further comprises fan blades distributed along the axial direction at intervals, the fan blades of the fan blade group in one rotating shaft and the fan blades of the fan blade group in the other rotating shaft are arranged in a staggered mode in the axial direction, and an upper portion and a lower portion of the area, close to the air return port, of the air return pipe are respectively provided with an upper bypass pipeline and a lower bypass pipeline. The invention improves the integral purification effect of the equipment and prolongs the integral service life of the air conditioning system.
Description
Technical Field
The invention relates to the field of medical air conditioners, in particular to a medical air purification type air conditioning system.
Background
With the development of human society, the demand for health and medical industry is increased, and the demand of modern clean operating rooms in a plurality of domestic hospitals is increasing. The core index of the clean operation department is that strict regulations are provided for parameters of the environment of purified air, and at present, people not only meet the requirements for parameters of temperature, humidity, cleanliness and the like of an operation room, but also increasingly pay more attention to various details such as comfort feeling of human bodies, guarantee of uniform laminar flow, maintenance of body temperature of patients and the like, and provide more humanized and stricter requirements.
After the fresh air system is used for a long time, the purification effect of the fresh air system is reduced more quickly than the preset purification effect, and the overall energy consumption of the fresh air is increased.
Disclosure of Invention
The invention mainly aims to provide a medical air purification type air conditioning system, which improves the energy consumption and the purification effect of an air conditioning system with a filter, prolongs the time and the service life of the air conditioning system in the normal purification effect, and reduces the overall energy consumption of an air conditioner.
In order to achieve the purpose, the invention adopts the technical scheme that: a medical air purification type air conditioning system comprising: the circulating unit who contains the filter and through the return-air duct with the return-air inlet that the circulating unit is connected, its characterized in that: a filter screen is arranged in the area of the air return pipe close to the air return port;
the area of the return air pipe between the filter screen and the return air inlet is provided with at least 2 rotating shafts in parallel, each rotating shaft is provided with at least 2 fan sets at intervals along the circumferential direction, each fan set further comprises fan sheets distributed at intervals along the axial direction, the fan sheets of the fan sets in one rotating shaft and the fan sheets of the fan sets in the other rotating shaft are arranged in a staggered mode in the axial direction, and the fan sheets are covered with a first filter adhesive net;
the upper portion and the lower portion of the area, close to the air return opening, of the air return pipe are respectively provided with an upper bypass pipeline and a lower bypass pipeline, the respective air inlets of the upper bypass pipeline and the lower bypass pipeline are located between the filter screen and the 2 rotating shafts, the respective air outlets of the upper bypass pipeline and the lower bypass pipeline are located on the side, opposite to the air return opening, of the filter screen and tightly attached to the filter screen, and the respective middle areas of the upper bypass pipeline and the lower bypass pipeline are respectively provided with a second filtering sticky net.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the pipelines of the upper bypass pipeline and the lower bypass pipeline, which are close to the respective air outlets, are deviated to one side of the filter screen, so that the pipelines in the bypass pipelines, which are close to the air outlets, face the filter screen.
2. In the above scheme, the mesh wires in the first filtering bonding net and the second filtering bonding net which are distributed in a staggered manner are provided with a plurality of barb burrs.
3. In the above scheme, the rotating shaft is located between the top and the bottom of the return air pipe.
4. In the above scheme, the number of the rotating shafts is 2, and the number of the fan blade groups of each of the 2 rotating shafts is three or four.
5. In the above scheme, the upper end and the lower end of the rotating shaft are connected with the inner wall of the return air pipe through the bearing.
6. In the above scheme, the air conditioner further comprises an air outlet, and the air outlet is connected to the fresh air unit through an air exhaust pipe.
7. In the above scheme, the air outlet is positioned above the air return inlet.
8. In the scheme, the circulating unit is also internally provided with a fan, a surface cooling section and a heating section.
9. In the above scheme, the air return inlet is provided with a blind curtain consisting of a plurality of blind blades.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the medical air purification type air conditioning system, after return air containing fluff in a room enters the return air pipe, the movement speed of the fluff is reduced and the length of a path moving around the fan blade group is increased through the rotating fan blade group, so that the probability of capturing the fluff is greatly improved, the serious load on a filter positioned at the rear end is avoided being increased, the overall energy consumption and the purification effect are improved, and the overall service life of the air conditioning system is prolonged; further, its bypass pipeline all lies in the filter screen and the filter screen is hugged closely with the return air inlet in the respective air outlet of bypass pipeline down, make the wind of air outlet blow to the filter screen and the surface that the return air inlet carried on the back mutually, make impurity and fine hair that adhere to on the filter screen after long-term the use drop from the filter screen, fall into bypass pipeline and lower bypass pipeline, along with impurity and fine hair accumulation on the filter screen, the wind that blows to the filter screen and the return air inlet carried on the back mutually on the surface can increase, thereby be favorable to the filter screen in the clean main loop of self-adaptation, the time that air conditioning system is in normal purifying effect and life have been prolonged, and the whole energy consumption of air conditioner has been reduced.
2. The medical air purification type air conditioning system adopts the filtering adhesive net to reduce the wind resistance, and the fan blade group is arranged on the rotating shaft, so that even if the air permeability of the filtering adhesive net is greatly reduced, the fan blade group can be driven to rotate by the driving of return air through 2 rotating shafts, thereby improving the wind resistance and ensuring the normal work of the air conditioning system.
Drawings
FIG. 1 is a schematic structural diagram of a medical air purification type air conditioning system according to the present invention;
FIG. 2 is a sectional view of a partial structure of the air conditioning system for medical air purification according to the present invention;
fig. 3 is a schematic view of the internal structure of the medical air purification type air conditioning system of the present invention.
In the above drawings: 1. a circulating unit; 2. a laminar flow air supply box; 3. a fresh air handling unit; 4. a return air duct; 41. an air return opening; 5. an air supply pipe; 6. an air inlet pipe; 7. a filter screen; 8. a rotating shaft; 9. a fan blade group; 91. a fan blade; 10. a first filter screen; 11. an upper bypass line; 12. a lower bypass line; 13. a second filter screen; 14. a baffle; 15. an air outlet; 16. an exhaust pipe.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a medical air purification type air conditioning system comprising: the circulating unit 1 that contains the filter and through return air duct 4 with the return air inlet 41 that circulating unit 1 is connected, its characterized in that: a filter screen 7 is arranged in the area of the return air pipe 4 close to the return air inlet 41;
the area of the return air duct 4 between the filter screen 7 and the return air inlet 41 is provided with at least 2 rotating shafts 8 in parallel, each rotating shaft 8 is provided with at least 2 fan sets 9 at intervals along the circumferential direction, each fan set 9 further comprises fan blades 91 distributed at intervals along the axial direction, the fan blades 91 of the fan set 9 in one rotating shaft 8 and the fan blades 91 of the fan set 9 in the other rotating shaft 8 are arranged in a staggered manner in the axial direction, and the fan blades 91 are covered with a first filter adhesive net 10;
the upper portion and the lower portion of the area, close to the air return opening 41, of the air return pipe 4 are respectively provided with an upper bypass pipeline 11 and a lower bypass pipeline 12, the respective air inlets of the upper bypass pipeline 11 and the lower bypass pipeline 12 are located between the filter screen 7 and the 2 rotating shafts 8, the respective air outlets of the upper bypass pipeline 11 and the lower bypass pipeline 12 are located on the opposite sides of the filter screen 7 and the air return opening 41 and are tightly attached to the filter screen 7, and the respective middle areas of the upper bypass pipeline 11 and the lower bypass pipeline 12 are respectively provided with a second filter sticking net 13.
The pipelines of the upper bypass pipeline 11 and the lower bypass pipeline 12 close to the respective air outlets are deviated to one side of the filter screen 7, so that the pipelines in the bypass pipelines close to the air outlets face the filter screen 7, the cleaning capability of the filter screen in the main loop is further improved, and the normal purification effect of the air conditioning system is prolonged;
the net lines in the first filtering adhesive net 10 and the second filtering adhesive net 13 are distributed in a staggered way and are provided with a plurality of barb burrs; the rotating shaft 8 is positioned between the top and the bottom of the return air pipe 4; the number of the rotating shafts 8 is 2, and the number of the fan blade groups 9 of each of the 2 rotating shafts 8 is three or four; the upper end and the lower end of the rotating shaft 8 are connected with the inner wall of the return air pipe 4 through bearings.
Example 2: a medical air purification type air conditioning system comprising: the system comprises a circulating unit 1 containing a filter, a laminar flow air supply box 2, a fresh air unit 3 and an air return opening 41 positioned below the laminar flow air supply box 2, wherein the circulating unit 1 is connected to the air return opening 41 and the laminar flow air supply box 2 through an air return pipe 4 and an air supply pipe 5 respectively, and the fresh air unit 3 is connected with the circulating unit 1 through an air inlet pipe 6;
a filter screen 7 is installed in an area of the return air duct 4 close to the return air inlet 41, at least 2 rotating shafts 8 are arranged in parallel in an area of the return air duct 4 between the filter screen 7 and the return air inlet 41, at least 2 fan blade groups 9 are circumferentially arranged on each rotating shaft 8 at intervals, each fan blade group 9 further comprises fan blades 91 axially distributed at intervals, the fan blades 91 of the fan blade group 9 in one rotating shaft 8 and the fan blades 91 of the fan blade group 9 in the other rotating shaft 8 are arranged in a staggered manner in the axial direction, and a first filter adhesive net 10 is covered on each fan blade 91;
the upper portion and the lower portion of the area, close to the air return opening 41, of the air return pipe 4 are respectively provided with an upper bypass pipeline 11 and a lower bypass pipeline 12, the respective air inlets of the upper bypass pipeline 11 and the lower bypass pipeline 12 are located between the filter screen 7 and the 2 rotating shafts 8, the respective air outlets of the upper bypass pipeline 11 and the lower bypass pipeline 12 are located on the opposite sides of the filter screen 7 and the air return opening 41 and are tightly attached to the filter screen 7, and the respective middle areas of the upper bypass pipeline 11 and the lower bypass pipeline 12 are respectively provided with a second filter sticking net 13.
The air conditioner also comprises an air outlet 15, and the air outlet 15 is connected to the fresh air unit 3 through an air outlet pipe 16; the air outlet 15 is positioned above the air return inlet 41; the circulating unit 1 is also internally provided with a fan, a surface cooling section and a heating section;
the air return opening 41 is provided with a louver curtain consisting of a plurality of louver blades; at least 2 guide plates 14 are arranged on the side walls of the air return pipes 4 on two sides of the 2 rotating shafts 8 at intervals, and the guide plates 14 are positioned between the adjacent fan blades 91 on the adjacent rotating shafts 8, so that the return air is favorably gathered to the fan blade group, the collision probability is further improved, and the fluff removing efficiency is further improved.
When the medical air purification type air conditioning system is adopted, after return air containing fluff in a room enters an air return pipe, at least 2 fan sets are arranged on a rotating shaft at intervals along the circumferential direction, and the 2 fan sets on the shafts are driven to rotate, so that the movement speed of the fluff is reduced, and the path length of the fluff moving around the fan sets is increased, thereby greatly improving the probability of capturing the fluff, avoiding the serious load on a filter positioned at the rear end, improving the overall energy consumption and purification effect and prolonging the overall service life of the air conditioning system;
furthermore, after the filter screen is used for a long time, a large amount of impurities are often attached to the surface facing the air return inlet, fluff which is not captured by the fan group still exists, part of return air respectively enters the upper bypass pipeline and the lower bypass pipeline, the air outlets of the upper bypass pipeline and the lower bypass pipeline are respectively positioned at one side of the filter screen opposite to the air return inlet and are tightly attached to the filter screen, so that the air at the air outlets is blown to the surface of the filter screen opposite to the air return inlet, the impurities and the fluff are dropped from the filter screen and fall into the upper bypass pipeline and the lower bypass pipeline, and the air blown to the surface of the filter screen opposite to the air return inlet is increased when the impurities and the fluff on the filter screen are accumulated to a large extent, so that the filter screen in the main loop can be cleaned in a self-adapting manner, the time of the normal purification effect of the air conditioning system is prolonged, the service life of the air conditioning system is prolonged, and the overall energy consumption of the air conditioner is reduced;
in addition, the fan sheet is covered with a first filtering adhesive net, the wind resistance is reduced by adopting the filtering adhesive net, and the fan sheet set is arranged on the rotating shaft, so that even under the condition that the air permeability of the filtering adhesive net is greatly reduced, the fan sheet set can be driven to rotate by the 2 rotating shafts under the driving of return air, the wind resistance is improved, and the normal work of the air conditioning system is ensured.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A medical air purification type air conditioning system comprising: the circulating unit (1) that contains the filter and through return air pipe (4) with return air inlet (41) that circulating unit (1) is connected, its characterized in that: a filter screen (7) is arranged in the area of the return air pipe (4) close to the return air inlet (41);
the area of the return air pipe (4) between the filter screen (7) and the return air inlet (41) is provided with at least 2 rotating shafts (8) in parallel, each rotating shaft (8) is provided with at least 2 fan sets (9) at intervals along the circumferential direction, each fan set (9) further comprises fan sheets (91) distributed at intervals along the axial direction, the fan sheets (91) of the fan set (9) in one rotating shaft (8) and the fan sheets (91) of the fan set (9) in the other rotating shaft (8) are arranged in a staggered mode in the axial direction, and a first filter adhesive net (10) covers the fan sheets (91);
the air return pipe (4) is close to regional upper portion and the lower part of return air inlet (41) and is provided with bypass pipeline (11) and lower bypass pipeline (12) respectively, it all is located between filter screen (7) and 2 pivot (8) to go up bypass pipeline (11) and bypass pipeline (12) own air intake down, it all is located filter screen (7) and return air inlet (41) one side of the back of the body and hugs closely filter screen (7) to go up bypass pipeline (11) and bypass pipeline (12) own air outlet down, it all is provided with second filtration adhesive net (13) to go up bypass pipeline (11) and bypass pipeline (12) middle part region respectively.
2. The medical air purification type air conditioning system according to claim 1, characterized in that: the pipelines of the upper bypass pipeline (11) and the lower bypass pipeline (12) close to the respective air outlets are deviated to one side of the filter screen (7), so that the pipelines close to the air outlets in the bypass pipelines face the filter screen (7).
3. The medical air purification type air conditioning system according to claim 1 or 2, characterized in that: and a plurality of barb burrs are arranged on the net wires which are distributed in the first filtering sticky net (10) and the second filtering sticky net (13) in a staggered manner.
4. The medical air purification type air conditioning system according to claim 1 or 2, characterized in that: and the rotating shaft (8) is positioned between the top and the bottom of the return air pipe (4).
5. The medical air purification type air conditioning system according to claim 1 or 2, characterized in that: the number of the rotating shafts (8) is 2, and the number of the fan blade groups (9) of each of the 2 rotating shafts (8) is three or four.
6. The medical air purification type air conditioning system according to claim 1 or 2, characterized in that: the upper end and the lower end of the rotating shaft (8) are connected with the inner wall of the return air pipe (4) through bearings.
7. The medical air purification type air conditioning system according to claim 1 or 2, characterized in that: the air conditioner also comprises an air outlet (15), and the air outlet (15) is connected to the fresh air unit (3) through an air exhaust pipe (16).
8. The medical air purification type air conditioning system according to claim 7, characterized in that: the air outlet (15) is positioned above the air return inlet (41).
9. The medical air purification type air conditioning system according to claim 1 or 2, characterized in that: and a fan, a surface cooling section and a heating section are also arranged in the circulating unit (1).
10. The medical air purification type air conditioning system according to claim 1 or 2, characterized in that: the air return opening (41) is provided with a louver curtain consisting of a plurality of louver blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041615.5A CN113566343A (en) | 2021-09-07 | 2021-09-07 | Medical air purification type air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041615.5A CN113566343A (en) | 2021-09-07 | 2021-09-07 | Medical air purification type air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113566343A true CN113566343A (en) | 2021-10-29 |
Family
ID=78173554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111041615.5A Pending CN113566343A (en) | 2021-09-07 | 2021-09-07 | Medical air purification type air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113566343A (en) |
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| CN105311890A (en) * | 2014-08-01 | 2016-02-10 | 德国福维克控股公司 | Back-flushable air filter |
| CN105627436A (en) * | 2016-01-16 | 2016-06-01 | 杭州龙碧科技有限公司 | Regenerative air particle purifying device |
| CN107497157A (en) * | 2017-07-24 | 2017-12-22 | 宿州溪亿林农业发展有限公司 | A kind of backwash filter for drip irrigation system |
| CN208998227U (en) * | 2018-11-14 | 2019-06-18 | 长沙远大建筑节能有限公司 | A kind of operating room energy-saving and purifying air-conditioning system |
| CN110743859A (en) * | 2019-11-05 | 2020-02-04 | 滁州卷烟材料厂 | Airflow type dust-proof device and dust-proof method for tipping paper printing production line |
| CN210463435U (en) * | 2019-06-28 | 2020-05-05 | 清华大学 | Operating room air purification system |
| CN213302975U (en) * | 2020-11-04 | 2021-05-28 | 伊犁职业技术学院 | Computer intelligence shell |
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2021
- 2021-09-07 CN CN202111041615.5A patent/CN113566343A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432814A (en) * | 2013-09-11 | 2013-12-11 | 天津市润杰创新环保科技有限公司 | Filter system containing backflushing device |
| CN203771566U (en) * | 2014-04-22 | 2014-08-13 | 邢国表 | Device purification system |
| CN105311890A (en) * | 2014-08-01 | 2016-02-10 | 德国福维克控股公司 | Back-flushable air filter |
| CN104436823A (en) * | 2014-12-18 | 2015-03-25 | 天津泽昌化工设备制造有限公司 | Bypass back-washing dirt remover |
| CN105627436A (en) * | 2016-01-16 | 2016-06-01 | 杭州龙碧科技有限公司 | Regenerative air particle purifying device |
| CN107497157A (en) * | 2017-07-24 | 2017-12-22 | 宿州溪亿林农业发展有限公司 | A kind of backwash filter for drip irrigation system |
| CN208998227U (en) * | 2018-11-14 | 2019-06-18 | 长沙远大建筑节能有限公司 | A kind of operating room energy-saving and purifying air-conditioning system |
| CN210463435U (en) * | 2019-06-28 | 2020-05-05 | 清华大学 | Operating room air purification system |
| CN110743859A (en) * | 2019-11-05 | 2020-02-04 | 滁州卷烟材料厂 | Airflow type dust-proof device and dust-proof method for tipping paper printing production line |
| CN213302975U (en) * | 2020-11-04 | 2021-05-28 | 伊犁职业技术学院 | Computer intelligence shell |
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