CN116538311A - A ventilation valve device for toilet - Google Patents

A ventilation valve device for toilet Download PDF

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Publication number
CN116538311A
CN116538311A CN202310809516.XA CN202310809516A CN116538311A CN 116538311 A CN116538311 A CN 116538311A CN 202310809516 A CN202310809516 A CN 202310809516A CN 116538311 A CN116538311 A CN 116538311A
Authority
CN
China
Prior art keywords
air inlet
valve
clean room
inlet valve
fluid box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310809516.XA
Other languages
Chinese (zh)
Inventor
贺涛
蔡岐科
汪延璐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Siteng Environment Technology Co ltd
Original Assignee
Xi'an Siteng Environment Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xi'an Siteng Environment Technology Co ltd filed Critical Xi'an Siteng Environment Technology Co ltd
Priority to CN202310809516.XA priority Critical patent/CN116538311A/en
Publication of CN116538311A publication Critical patent/CN116538311A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
    • 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
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The utility model discloses a ventilation valve device for a clean room, which comprises a ventilation valve, wherein a fluid box body is arranged at the inlet end of the ventilation valve, a mounting seat is arranged on one side of the fluid box body, a power source is fixedly connected to the mounting seat, a ventilation fan is arranged on an output shaft of the power source, a ventilation valve is also arranged on the fluid box body, the ventilation valve is arranged opposite to the ventilation fan, a power device is arranged in the fluid box body, a baffle is fixedly arranged at the output end of the power device, and the baffle is positioned at the inner side of the ventilation valve. The utility model can solve the problem that the prior ventilation valve device for the clean room can not control the air supply quantity.

Description

A ventilation valve device for toilet
Technical Field
The utility model relates to the technical field of ventilation valves, in particular to a ventilation valve device for a clean room.
Background
The clean room is also called a dust-free workshop, a dust-free room or a clean room, and refers to a space with better tightness for controlling parameters such as air cleanliness, temperature, humidity, pressure, noise and the like as required. Although the clean room is well sealed, it is also ventilated with the outside so that fresh air flows into the clean room. The utility model patent with the publication number of CN208138556U discloses a ventilation valve device for a clean room, which comprises a ventilation valve body, wherein sealing rings are arranged at the upper end and the lower end of the ventilation valve body, air cylinders are respectively and evenly distributed on the outer side surfaces of the upper end and the lower end of the ventilation valve body, an air purifier is provided with a fire alarm, sleeves are arranged at the lower end of the sealing cover and the upper end of the air purifier, the installation positions of the sleeves are consistent with the positions of the air cylinders, and the sealing cover and the air purifier are connected at the output end of the air cylinders through the sleeves. However, the ventilation valve device for clean rooms related to this patent cannot control the air supply amount, so that the air flow rate into the clean room cannot be adjusted as needed.
Disclosure of Invention
The present utility model is directed to a vent valve device for a clean room to solve the above-mentioned problems of the related art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a ventilation valve device for toilet, includes the ventilation valve, the air inlet end of ventilation valve is provided with the fluid box, one side of fluid box is provided with the mount pad, fixedly connected with power supply on the mount pad, be provided with the scavenger fan on the output shaft of power supply, still be provided with the scavenger valve on the fluid box, the scavenger valve with the scavenger fan sets up relatively, be provided with power device in the fluid box, power device's output is fixed to be provided with the baffle, the baffle is in the inboard of scavenger valve.
Further preferably, the ventilation valve comprises a transverse air inlet valve, a plurality of vertical air inlet valves are fixedly arranged in the middle of the transverse air inlet valve, a bending air inlet valve is arranged at the end part of the vertical air inlet valve at the top, and the fluid box body is arranged at the end part of the bending air inlet valve.
Further preferably, the transverse air inlet valve and the vertical air inlet valve are connected together through welding.
Further preferably, the plurality of vertical air inlet valves are fixedly connected through flanges; the vertical air inlet valve at the top is fixedly connected with the bending air inlet valve through a flange.
Further preferably, a pre-filtering net, a corona area, a collecting area, a formaldehyde removing filtering net and an active carbon filtering net are sequentially arranged in the transverse air inlet valve.
Further preferably, the power device is a driving cylinder.
Further preferably, the transverse air inlet valve and the vertical air inlet valve are both square pipe structures.
Further preferably, the curved air inlet valve is of a curved square pipe structure.
Further preferably, the ventilation valve has a square hole structure, and the ventilation valve protrudes to the outside of the fluid tank.
Further preferably, a reinforcing rib is arranged between the mounting seat and the fluid tank body.
Compared with the prior art, the utility model has the beneficial effects that:
when the ventilation valve is connected with the fluid box body, the power source is operated and the ventilation fan starts to rotate when air is conveyed into the clean room, the outside air is sucked into the fluid box body, and the air flows into the ventilation valve along the fluid box body and finally enters the clean room. In the process, the air flow entering the clean room is controllable, and the specific control method is as follows: the baffle is driven by the power device to move, and the baffle can shield the scavenging valve, so that the air flow entering the clean room is adjusted.
Through setting up horizontal air inlet valve for two air outlets of horizontal air inlet valve are in the clean room simultaneously, when carrying air in the clean room, can make the air dispersion input clean room, get into the clean indoor air distribution more even from the external world.
The inside of the transverse air inlet valve is sequentially provided with a pre-filtering net, a corona area, a collecting area, a formaldehyde removing filtering net and an active carbon filtering net. When the air polluted outside passes through the ventilation valve, firstly, coarse filtration is carried out through the pre-filtering net, and the thicker dust in the air is cut off and filtered. Then, air enters a corona zone for purification, the corona zone is a main purification section of a ventilation valve, a high-voltage electrostatic field is arranged on the corona zone, a better dust accumulation effect is achieved, impurities such as dust, bacteria and aerosol mixed in the air are polarized, the impurities are charged, and the charged pollutants are moved to a collecting zone to be effectively absorbed and collected under the action of electric field force and the like. Then the air can adsorb and purify formaldehyde gas through the formaldehyde removal filter screen, and finally other impurities are filtered and purified through the active carbon filter screen, so that the impurities in the outside air can be effectively filtered, and the air entering the clean room can meet the requirements.
Drawings
FIG. 1 is a perspective view showing the overall structure of a ventilation valve apparatus for a clean room according to the present utility model;
FIG. 2 is a schematic view of the internal structure of the fluid tank of FIG. 1;
FIG. 3 is a cross-sectional view of the internal structure of the lateral intake valve of FIG. 1;
in the figure: 1. a vent valve; 101. a transverse air inlet valve; 102. a vertical air inlet valve; 103. bending an air inlet valve; 104. pre-filtering the filter screen; 105. a corona zone; 106. a collection zone; 107. removing formaldehyde filter screen; 108. an active carbon filter screen; 2. a fluid tank; 3. a mounting base; 4. a power source; 5. a ventilator; 6. a gas exchange valve; 7. a baffle; 8. reinforcing ribs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution:
the utility model provides a ventilation valve device for toilet, including ventilation valve 1, the air inlet end of ventilation valve 1 is provided with fluid box 2, one side of fluid box 2 is provided with mount pad 3, fixedly connected with power supply 4 on the mount pad 3, be provided with scavenger fan 5 on the output shaft of power supply 4, still be provided with scavenger valve 6 on the fluid box 2, scavenger valve 6 sets up with scavenger fan 5 relatively, be provided with power device in the fluid box 2, power device's output is fixed and is provided with baffle 7, baffle 7 is in the inboard of scavenger valve 6. When the clean room is subjected to air exchange with the outside, the power source 4 is started, and the ventilation fan 5 connected to the output shaft of the power source 4 is started while the power source 4 is started, so that the ventilation fan 5 connected to the output shaft of the power source 4 starts rotating, the rotation of the ventilation fan 5 sucks the outside air into the fluid tank 2, and the air entering the fluid tank 2 enters the ventilation valve 1 along the fluid tank 2 and finally enters the clean room. In the whole process, a power device arranged in the fluid box body 2 drives the baffle plate 7 to move, and the ventilation valve 6 is shielded by the movement of the baffle plate 7, so that the air inlet quantity of the ventilation valve device for the clean room is regulated.
The ventilation valve 1 comprises a transverse air inlet valve 101, a plurality of vertical air inlet valves 102 are fixedly arranged in the middle of the transverse air inlet valve 101, a bending air inlet valve 103 is arranged at the end part of the topmost vertical air inlet valve 102, and the fluid tank 2 is arranged at the end part of the bending air inlet valve 103. The vent valve 1 is provided with the following advantages: the air entering the transverse air inlet valve 101 enters the clean room from two ports of the transverse air inlet valve 101, so that the air entering the clean room is dispersed uniformly in the clean room, and ventilation of the clean room is facilitated.
The transverse air inlet valve 101 and the vertical air inlet valve 102 are connected together through welding. Of course, the horizontal air inlet valve 101 and the vertical air inlet valve 102 may be detachably connected together, for example, in a threaded connection. When the transverse air inlet valve 101 and the vertical air inlet valve 102 are in threaded connection, a sealing ring is arranged between the transverse air inlet valve 101 and the vertical air inlet valve 102, so that the air tightness of the joint of the transverse air inlet valve 101 and the vertical air inlet valve 102 is ensured.
The plurality of vertical air inlet valves 102 are fixedly connected through flanges; the top vertical air inlet valve 102 and the bending air inlet valve 103 are fixedly connected through flanges. The plurality of vertical air inlet valves 102 are in flange connection, the vertical air inlet valves 102 are in flange connection with the bending air inlet valve 103, the combination strength is high, the tightness is good, the disassembly is convenient, and the processing is convenient.
The inside of the transverse air inlet valve 101 is provided with a pre-filtering net 104, a corona area 105, a collecting area 106, a formaldehyde removing filtering net 107 and an active carbon filtering net 108 in sequence. When the air polluted outside passes through the ventilation valve 1, firstly, coarse filtration is carried out through the pre-filtering net 104, and the thicker dust in the air is cut off and filtered. Then, air enters the corona zone 105 for purification, the corona zone 105 is a main purification section of the ventilation valve 1, a high-voltage electrostatic field is arranged on the corona zone, a better dust accumulation effect is achieved, impurities such as dust, bacteria and aerosol which are mixed in the air are polarized, the impurities are charged, and the charged pollutants are moved to the collection zone 106 under the action of the electric field force and the like to be effectively absorbed and collected. Then the air can absorb and purify formaldehyde gas through the formaldehyde removing filter screen 107, and finally other impurities are filtered and purified through the active carbon filter screen 108.
The power device is a driving cylinder. The cylinder is adopted as a power device, the operation is reliable, the practical operation is simpler, and the cylinder is good at reciprocating linear motion.
The transverse air inlet valve 101 and the vertical air inlet valve 102 are both square pipe structures. Of course, in some other embodiments, the lateral air inlet valve 101 and the vertical air inlet valve 102 may be all circular tube structures, and the structures of the lateral air inlet valve 101 and the vertical air inlet valve 102 may be customized according to actual needs.
The curved intake valve 103 has a curved square pipe structure. In some other embodiments, the curved air inlet valve 103 may be a curved circular tube, which is specifically tailored according to practical needs.
The scavenging valve 6 has a square hole structure, and the scavenging valve 6 protrudes to the outside of the fluid tank 2. In particular, the gas exchange valve 6 is provided with a square hole structure, which is beneficial to the adaptation of the baffle 7. For example, when the baffle 7 is a rectangular structural plate, the ventilation valve 6 is a square hole; similarly, when the baffle 7 is a circular plate, the ventilation valve 6 is a circular hole.
A reinforcing rib 8 is arranged between the mounting seat 3 and the fluid tank body 2.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. A vent valve assembly for a clean room, characterized by: including ventilation valve (1), the air inlet end of ventilation valve (1) is provided with fluid box (2), one side of fluid box (2) is provided with mount pad (3), fixedly connected with power supply (4) on mount pad (3), be provided with scavenger fan (5) on the output shaft of power supply (4), still be provided with scavenger valve (6) on fluid box (2), scavenger valve (6) with scavenger fan (5) set up relatively, be provided with power device in fluid box (2), power device's output is fixed to be provided with baffle (7), baffle (7) are in the inboard of scavenger valve (6).
2. A vent valve device for a clean room as defined in claim 1, wherein: the ventilation valve (1) comprises a transverse air inlet valve (101), a plurality of vertical air inlet valves (102) are fixedly arranged in the middle of the transverse air inlet valve (101), a bending air inlet valve (103) is arranged at the end part of the vertical air inlet valve (102) at the top, and the fluid box body (2) is arranged at the end part of the bending air inlet valve (103).
3. A vent valve device for a clean room as defined in claim 2, wherein: the transverse air inlet valve (101) and the vertical air inlet valve (102) are connected together through welding.
4. A vent valve device for a clean room as defined in claim 2, wherein: the plurality of vertical air inlet valves (102) are fixedly connected through flanges; the vertical air inlet valve (102) at the top part is fixedly connected with the bending air inlet valve (103) through a flange.
5. A vent valve device for a clean room as defined in claim 2, wherein: the inside of horizontal air inlet valve (101) has set gradually prefilter screen (104), corona district (105), collection district (106), removes formaldehyde filter screen (107) and active carbon filter screen (108).
6. A vent valve device for a clean room as defined in claim 1, wherein: the power device is a driving cylinder.
7. A vent valve device for a clean room as defined in claim 2, wherein: the transverse air inlet valve (101) and the vertical air inlet valve (102) are both square pipe structures.
8. A vent valve device for a clean room as defined in claim 2, wherein: the bending air inlet valve (103) is of a bent square pipe structure.
9. A vent valve device for a clean room as defined in claim 1, wherein: the air exchange valve (6) is of a square hole structure, and the air exchange valve (6) protrudes to the outer side of the fluid box body (2).
10. A vent valve device for a clean room as defined in claim 1, wherein: reinforcing ribs (8) are arranged between the mounting seat (3) and the fluid box body (2).
CN202310809516.XA 2023-07-04 2023-07-04 A ventilation valve device for toilet Pending CN116538311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310809516.XA CN116538311A (en) 2023-07-04 2023-07-04 A ventilation valve device for toilet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310809516.XA CN116538311A (en) 2023-07-04 2023-07-04 A ventilation valve device for toilet

Publications (1)

Publication Number Publication Date
CN116538311A true CN116538311A (en) 2023-08-04

Family

ID=87445632

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310809516.XA Pending CN116538311A (en) 2023-07-04 2023-07-04 A ventilation valve device for toilet

Country Status (1)

Country Link
CN (1) CN116538311A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471582B1 (en) * 2001-08-14 2002-10-29 Applied Optoelectronics, Inc. Adapter for coupling air duct to fan-driven vent
CN202432660U (en) * 2012-01-10 2012-09-12 张英泽 Variable-air-output dustproof ventilating fan
CN204202022U (en) * 2014-06-16 2015-03-11 艾仲兵 A kind of multistage duct type highly effective air purification air aeration device
CN105928102A (en) * 2016-04-22 2016-09-07 浙江大学 Air conditioning system with combination of radiation top plate and displacement ventilation
KR101719540B1 (en) * 2016-08-10 2017-04-05 김진수 Indoor Concentrated and Combustion System of VOC with Catalyst Oxidation device and Energy Recycling Means
CN109253520A (en) * 2018-10-31 2019-01-22 石家庄学院 Clean area ventilating system and pressure difference adjusting method
CN210292144U (en) * 2019-06-03 2020-04-10 陕西宇鑫洁净工程有限公司 Special lower part air return device in toilet
KR102228079B1 (en) * 2021-01-06 2021-03-12 임형보 module structure for safety cleanroom
CN114576742A (en) * 2022-02-15 2022-06-03 四川川净洁净技术股份有限公司 Pressure difference control operation support system for clean room
CN218237763U (en) * 2022-10-26 2023-01-06 珠海市千叶净化科技有限公司 Air purification structure for medical clean room ventilation fan

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471582B1 (en) * 2001-08-14 2002-10-29 Applied Optoelectronics, Inc. Adapter for coupling air duct to fan-driven vent
CN202432660U (en) * 2012-01-10 2012-09-12 张英泽 Variable-air-output dustproof ventilating fan
CN204202022U (en) * 2014-06-16 2015-03-11 艾仲兵 A kind of multistage duct type highly effective air purification air aeration device
CN105928102A (en) * 2016-04-22 2016-09-07 浙江大学 Air conditioning system with combination of radiation top plate and displacement ventilation
KR101719540B1 (en) * 2016-08-10 2017-04-05 김진수 Indoor Concentrated and Combustion System of VOC with Catalyst Oxidation device and Energy Recycling Means
CN109253520A (en) * 2018-10-31 2019-01-22 石家庄学院 Clean area ventilating system and pressure difference adjusting method
CN210292144U (en) * 2019-06-03 2020-04-10 陕西宇鑫洁净工程有限公司 Special lower part air return device in toilet
KR102228079B1 (en) * 2021-01-06 2021-03-12 임형보 module structure for safety cleanroom
CN114576742A (en) * 2022-02-15 2022-06-03 四川川净洁净技术股份有限公司 Pressure difference control operation support system for clean room
CN218237763U (en) * 2022-10-26 2023-01-06 珠海市千叶净化科技有限公司 Air purification structure for medical clean room ventilation fan

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
丁启圣: "《新型实用过滤技术》", 冶金工业出版社, pages: 679 - 681 *

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