CN106178706B - The air cleaning system of air-flow equilibrium - Google Patents

The air cleaning system of air-flow equilibrium Download PDF

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Publication number
CN106178706B
CN106178706B CN201610527261.8A CN201610527261A CN106178706B CN 106178706 B CN106178706 B CN 106178706B CN 201610527261 A CN201610527261 A CN 201610527261A CN 106178706 B CN106178706 B CN 106178706B
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CN
China
Prior art keywords
air
indoor
fan blade
chassis
filter bank
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CN201610527261.8A
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Chinese (zh)
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CN106178706A (en
Inventor
严勤丰
曾庆伟
马玉婷
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SUZHOU AYR PURIFICATION TECHNOLOGY Co Ltd
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SUZHOU AYR PURIFICATION TECHNOLOGY Co Ltd
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Priority to CN201610527261.8A priority Critical patent/CN106178706B/en
Publication of CN106178706A publication Critical patent/CN106178706A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • B01D46/0045Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding by using vanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0047Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2273/00Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/30Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan

Abstract

The invention discloses a kind of air cleaning systems of air-flow equilibrium, including:Filter bank, the center of top of setting indoors are entered the wind, the air inlet filter bank is connected to the air outlet of air handling system;Current equalizer is covered with setting in the indoor upper end, and the current equalizer is located at the lower end of the air inlet filter bank;First fan blade, it is horizontally installed between air inlet filter bank and the current equalizer, the central rotating shaft of first fan blade is upward through indoor ceiling and is connect with driving mechanism, the surrounding of the fan blade and bottom are provided with air outlet, and the baffle of outlet air obliquely is provided on the indoor panel of the fan blade periphery;Second fan blade is correspondingly arranged at the indoor bottom;And return air filter bank, it is arranged in the lower end of second fan blade, the return air filter bank is connected to the air inlet of air handling system.The present invention solves the technical issues of indoor air flow unevenness and vortex.

Description

The air cleaning system of air-flow equilibrium
Technical field
The present invention relates to air cleaning system fields, it is more particularly related to which a kind of air of air-flow equilibrium is net Change system.
Background technology
Many interior spaces need the pollutants such as particulate, noxious air, bacterium in air being reduced to regulation now Index is hereinafter, and by indoor temperature, humidity, cleanliness factor, air velocity and air flow method, noise and vibration and illumination, electrostatic control System specially designed room in a certain range of needs.Air cleaning system has extensive in modern production technology as a result, Application, in occupation of very important status, but the outlet air air flow method of many air cleaning systems at present is uneven, purified treatment Air afterwards is from top to bottom transmitted to chamber interior from indoor upper end, and the air pressure near air outlet slit is higher than peripheral space air Air pressure, cause the air-flow velocity that air outlet slit nearby gets in portion to be more than surrounding and get in the flow velocity in portion, to exist Vortex phenomenon causes indoor gas cycle and is not thorough, causes room air displacement efficiency low, and Cleanliness is difficult to improve, As shown in Figure 1, middle, the air velocity that thus place is got in are higher than indoor surrounding indoors for the outlet of air handling system The flow velocity for getting in portion causes to generate airflow circulating of the indoor bottom to periphery upper end, and indoor air can not efficiently be discharged, The air circulation speed of indoor and outdoor can not improve, smaller especially along the downward air-flow of indoor side wall, indoor bottom surrounding The air of deposition is not easy to be discharged from indoor bottom so that and cleaniliness classs is difficult to improve, and seriously affects indoor cleanliness factor, and In the prior art, it for balanced indoor air-flow, improves air and replaces speed, be covered with blower fan filtering frequently with upper end indoors The form of unit so that the more balanced inflow of air inlet is indoor, or uses and air outlet lower end is provided with current equalizer, but in this way Appoint so presence again without solving the problem of that the indoor bottom of the unbalanced technical problem of air-flow velocity forms to be vortexed, while significantly Indoor installation cost is increased, its popularization and application is limited.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of air cleaning systems of air-flow equilibrium, upper and lower ends point indoors It is not provided with the fan blade supplied gas downwards, air is evenly supplied to by chamber interior by fan blade, meanwhile, in order to solve indoor The low problem of air velocity, is provided with blade, and in the indoor side wall of fan blade surrounding in the periphery of fan blade near wall On be provided with the baffle of downward outlet air, after fan blade rotates, air is uniformly sent to chamber interior by fan blade, rotation The blade turned conveys a part of clean air by blade to the periphery, this partial air by downward baffle downward along Air inlet equilibrium is transported to chamber interior, is equipped with bottom indoors by indoor side wall conveying, the fan blade and baffle on indoor top The fan blade and baffle in portion are indoor by the extraction of the air equilibrium of chamber interior, and thus portion forms the balanced air-flow passed in and out indoors The air cycle efficiency of the circulatory system, indoor and outdoor is effectively enhanced, and indoor cleaniliness classs is greatly improved, solves The technical issues of air cleaning system outlet air air-flow unevenness and indoor vortex.
In order to realize these purposes and other advantages according to the present invention, a kind of air purification system of air-flow equilibrium is provided System, including:
Air inlet filter bank, the center of top of setting indoors, the air inlet filter bank and air handling system Air outlet is connected to;
Current equalizer is covered with and is arranged in the indoor upper end, and the current equalizer is located at the air inlet filter bank Lower end;
First fan blade is horizontally installed between air inlet filter bank and the current equalizer, first fan blade Central rotating shaft be upward through indoor ceiling and connect with driving mechanism;
Second fan blade is correspondingly arranged at the indoor bottom;And
Return air filter bank is arranged in the lower end of second fan blade, the return air filter bank and air conditioning The air inlet of system is connected to;
Wherein, the surrounding of the fan blade and bottom are provided with air outlet, the indoor profile of the fan blade periphery The baffle of outlet air obliquely is provided on plate.
Preferably, the structure of first fan blade and the second fan blade is identical, and the concrete structure of the first fan blade includes:
Chassis is horizontally set on the upper end of the current equalizer, and the center chassis, which upwardly extends, is provided with a shaft, The chassis offers several through-holes in the radial direction;
Blinker is inclined in a side of the through-hole, and the blinker protrudes the chassis certain distance, The chassis is rotated along the opening direction of the blinker;
Blade is inclined at the outside on the chassis, several described blades are looped around chassis periphery upper end.
Preferably, the indoor ceiling is provided centrally with a bearing, and the shaft limitation rotation is in the bearing, institute It states driving mechanism to be arranged on the outside of the indoor top, the shaft is upward through indoor ceiling and with the driving mechanism connects It connects.
Preferably, several described through-holes are symmetrically opened on the chassis, the length of each through-hole and the chassis Diameter is identical.
Preferably, the length of the blade is the 1/6~1/4 of the chassis radius, the blade and the chassis at this The angle of radius is 120 °~150 °.
Preferably, several baffle intervals are arranged on the indoor panel of the blade periphery, and the baffle inclines Oblique certain angle, the chassis are rotated along the inclined direction of the baffle.
Preferably, the indoor bottom covering is equipped with the bottom plate that leaks out, and second fan blade is mounted on the bottom plate Lower end center.
Preferably, the lower end of second fan blade is additionally provided with air draught filter, the air inlet of the air draught filter It is connected to indoor lower end, the gas outlet of the air draught filter is connected to the indoor top of first fan blade upper end.
Preferably, the air output of the air draught filter and the return air filter bank is independently adjustable.
Preferably, between outside setting blade described in each two of each through-hole.
The present invention includes at least following advantageous effect:
1, air equilibrium is sent to by chamber interior using the first fan blade, it is using the second fan blade that indoor air is equal Weighing apparatus is extracted out from indoor bottom so that air it is from top to bottom balanced pass through chamber interior, eliminate cycle in room air Stream, avoids the vortex phenomenon of room air;
2, the baffle of downward outlet air is provided on the side wall of upper and lower ends indoors so that the sky of indoor surrounding adjacent sidewalls Gas from top to bottom circulation cycle avoids air deposition bottom surrounding indoors, eliminates bottom along the upward air of side wall Inverse cycle, improves the cycle efficieny of indoor and outdoor air, further improves indoor cleaniliness classs;
3, periphery is provided with circulation canal indoors, and the air extracted out from bottom is transported to indoor bottom after treatment It is recycled, effectively reduces the energy consumption of indoor air conditioning system.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the schematic diagram of chamber interior air-flow in the prior art;
Fig. 2 is the structural schematic diagram of air cleaning system of the present invention;
Fig. 3 is the sectional view of first fan blade;
Fig. 4 is the vertical view of first fan blade;
Fig. 5 is the air cleaning system structural schematic diagram with air return structure in another embodiment.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of a other elements or combinations thereof.
As shown in Figs. 1-5, the present invention provides a kind of air cleaning system of air-flow equilibrium, including:
Filter bank 21 is entered the wind, is arranged in the indoor top, the air inlet filter bank and air handling system Air outlet connection, obtained air is transported to indoor after being filtered by entering the wind filter bank 21 after air handling system processing Top, it is generally the case that centre indoors is arranged in air inlet filter bank 21, or several air inlet 21 cloth of filter bank are arranged It sets on ceiling indoors;
Current equalizer 11 is covered with and is arranged in the indoor upper end, and clean air is entered by current equalizer 11 Interior, current equalizer 11 plays ceiling decoration and goes out wind action, and is additionally provided with filter screen on current equalizer 11, uses In carrying out after-treatment to clean air, the cleanliness factor for getting in air is improved;
First fan blade 30 is horizontally installed between the air inlet filter bank 21 and current equalizer 11, described first The central rotating shaft of fan blade 30 is upward through indoor ceiling and is connect with driving mechanism, the surrounding of the fan blade and bottom setting There is air outlet, be provided with the baffle 12 of outlet air obliquely on the indoor panel of the fan blade periphery, when work, passes through Air is transported to chamber interior by the fan blade of rotation uniformly through the air outlet of fan blade bottom, meanwhile, pass through fan blade surrounding Air outlet by clean air delivery to the baffle, by the downward outlet air path of baffle by air along indoor side wall It is transported to indoor bottom so that air is uniformly from top to bottom transported to indoor bottom from indoor bottom;
Second fan blade 40, is correspondingly arranged at the indoor bottom, first fan blade and the second fan blade Structure is identical, and the second fan blade blows the extraction of the air equilibrium of indoor bottom to form the first fan blade equilibrium, and second The circulatory system of fan blade equilibrium air draught, accelerates the cycle of room air, and balanced indoor air-flow avoids generating vortex; And
Return air filter bank 22 is arranged in the lower end of second fan blade, the return air filter bank and air tune The air inlet of section system is connected to, and return air filter bank 22 extracts indoor gas from the second fan blade bottom out, is sent to air It is handled in regulating system, is sent to together in air inlet filter bank with new air after processing.
In specific embodiment, by taking the first fan blade as an example, concrete structure includes:
Chassis 31 is horizontally set on the upper end of the current equalizer, and the center chassis, which upwardly extends, is provided with one turn Axis 34, the chassis offer several through-holes in the radial direction, and the air of indoor top enters chamber interior by through-hole;
Blinker 32 is inclined in a side of the through-hole, and the blinker protrudes one spacing of chassis From the chassis is rotated along the opening direction of the blinker, that is to say, that after fan blade rotates, blinker Flow deflector structure introduces air into through-hole, forms a negative pressure space in chassis upper end, air is sent to across through-hole In interior, because fan blade is rotation, air equilibrium can be sent to chamber interior;
Blade 33 is inclined at the outside on the chassis, several described blades are looped around on the chassis periphery End, for an air part for chassis upper end to be diverted to indoor lateral wall circumference, specifically, the length of the blade is described The angle of the 1/6~1/4 of chassis radius, the blade and the chassis radius at this is 120 °~150 °, and there are one air for tool Flow-guiding structure, that is to say, that after fan blade rotates, form a whirlwind in fan blade periphery, a part of air is logical It crosses blade equilibrium and is transported to indoor lateral wall circumference.Meanwhile several baffle intervals are arranged in the indoor of the blade periphery On panel, and the baffle is tilted a certain angle, and the chassis is rotated along the inclined direction of the baffle, defeated by blade equilibrium The air for being sent to indoor lateral wall circumference is directed between baffle, logical along the path of the downward outlet air of baffle under the action of whirlwind Road is transferred downward on indoor side wall, to be formed down air-flow along lateral wall circumference, is avoided due to indoor side wall week Enclose that air-flow slowly to be formed from bottom to the vortex of sidewall upper adverse current, as shown in Figure 1.
In conventional prior, the outlet of air handling system middle indoors, the air stream that thus place is got in Speed gets in the flow velocity in portion higher than indoor surrounding, causes to generate airflow circulating of the indoor bottom to periphery upper end, indoor sky Gas can not efficiently be discharged, and the air circulation speed of indoor and outdoor can not improve, more especially along the downward air-flow of indoor side wall It is small, internal vortex can be formed, and the air of indoor bottom surrounding deposition is not easy to be discharged from indoor bottom so that cleanliness factor etc. Grade is difficult to improve.As a result, in order to solve indoor air flow unevenness and vortex the technical issues of, upper and lower ends indoors are respectively set There is the fan blade supplied gas downwards, air is evenly supplied to by chamber interior by fan blade, meanwhile, in order to solve indoor adjacent sidewalls The low problem of air velocity is provided with blade in the periphery of fan blade, and is arranged on the indoor side wall of fan blade surrounding The baffle for having downward outlet air, after fan blade rotates, air is uniformly sent to chamber interior, the leaf of rotation by fan blade Piece conveys a part of clean air by blade to the periphery, this partial air is by downward baffle downward along indoor Wall conveys, and air inlet equilibrium is transported to chamber interior by the fan blade and baffle on indoor top, is equipped with the wind of bottom indoors Impeller and baffle are indoor by the extraction of the air equilibrium of chamber interior, and thus portion forms the balanced airflow circulating system passed in and out indoors System, the air cycle efficiency of indoor and outdoor effectively enhanced, not only balanced indoor circulation airflow, but also improves indoor and outdoor Indoor cleaniliness classs is greatly improved in the cycle efficieny of air.
In a kind of embodiment, the indoor ceiling is provided centrally with a bearing, and the shaft limitation rotation is in the axis In holding, the driving mechanism is arranged on the outside of the indoor top, and the shaft is upward through indoor ceiling and the driving Mechanism connects, and driving mechanism drives shaft limitation to rotate within the bearing, and then drives fan blade rotation, and driving mechanism is arranged in room Outside, noise is reduced to reduce to indoor pollution simultaneously.
In another embodiment, several described through-holes are symmetrically opened on the chassis, the length of each through-hole and institute The diameter for stating chassis is identical, to increase the downward air output in chassis, and expands the outlet air diameter on chassis, and indoor periphery is empty Between can also obtain identical air output, further balanced indoor air-flow from top to bottom.Specifically, each through-hole is outer Side is arranged between the blade described in each two, does not reduce the length of through-hole thus, nor affects on the normal outlet air of blade.
In another embodiment, the indoor bottom covering is equipped with the bottom plate 13 that leaks out, the second fan blade installation At bottom plate lower end center, the second fan blade of rotation forms balanced negative pressure space in 13 lower end of bottom plate of leaking out, will be indoor Air equilibrium entered in return air filter bank by the bottom plate 13 that leaks out, so as to form the first fan blade air-supply, the second wind The circulatory system of impeller exhausting, balanced indoor air flow improve indoor and outdoor air circulating effect, avoid indoor air flow from being vortexed, in turn Improve Cleanliness grade.
In another embodiment, the lower end of second fan blade is additionally provided with air draught filter 15, the air draught filtering The air inlet of device is connected to indoor lower end, the indoor top of the gas outlet and first fan blade upper end of the air draught filter Connection, that is to say, that by a room air part for the second fan blade extraction after 15 filtration treatment of air draught filter, directly It is sent to indoor bottom to be recycled, specifically, periphery is provided with circulation canal 16 indoors, will be taken out from indoor bottom The air gone out is transported to indoor top by circulation canal 16 after treatment and is recycled, and effectively reduces room air The energy consumption of regulating system.Another part is discharged indoor by return air filter bank.The air draught filter and return air filtering The air output of unit is independently adjustable, and air draught filter and return air filter bank outlet air are controlled according to room air suspended particulate number The ratio of amount.Total air output of the air draught filter and the return air filter bank and the air inlet filter in a period of time Group is equal with total intake of air draught filter.
From the above mentioned, air equilibrium is sent to chamber interior by the present invention using the first fan blade, using the second fan blade Extracted out from indoor bottom by indoor air is balanced so that air it is from top to bottom balanced pass through chamber interior, eliminate Room air inner recirculation flow avoids the vortex phenomenon of room air;And be provided on the side wall of upper and lower ends indoors to The baffle of lower outlet air so that the air of indoor surrounding adjacent sidewalls from top to bottom circulation cycle avoids air deposition indoors Bottom surrounding eliminates bottom along the inverse cycle of the upward air of side wall, improves the cycle efficieny of indoor and outdoor air, further Improve indoor cleaniliness classs;Further, periphery is provided with circulation canal indoors, and the air extracted out from bottom is passed through It is transported to indoor bottom after crossing processing and is recycled, effectively reduce the energy consumption of indoor air conditioning system.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.

Claims (5)

1. a kind of air cleaning system of air-flow equilibrium, which is characterized in that including:
Enter the wind filter bank, the center of top of setting indoors, the air-supply of the air inlet filter bank and air handling system Mouth connection;
Current equalizer is covered with and is arranged in the indoor upper end, and the current equalizer is located under the air inlet filter bank End;
First fan blade is horizontally installed between air inlet filter bank and the current equalizer, in first fan blade Heart shaft is upward through indoor ceiling and is connect with driving mechanism;
Second fan blade is correspondingly arranged at the indoor bottom;And
Return air filter bank is arranged in the lower end of second fan blade, the return air filter bank and air handling system Air inlet connection;
Wherein, the surrounding and bottom of first fan blade and the second fan blade are provided with air outlet, first fan blade and The baffle of outlet air obliquely is provided on the indoor panel of second fan blade periphery;
The structure of first fan blade and the second fan blade is identical, and the concrete structure of the first fan blade includes:
Chassis is horizontally set on the upper end of the current equalizer, and the center chassis, which upwardly extends, is provided with a shaft, described Chassis offers several through-holes in the radial direction;
Blinker is inclined in a side of the through-hole, and the blinker protrudes the chassis certain distance, described Chassis is rotated along the opening direction of the blinker;
Blade is inclined at the outside on the chassis, several described blades are looped around chassis periphery upper end;
Several described through-holes are symmetrically opened on the chassis, and the length of each through-hole is identical as the diameter on the chassis;
Several baffle intervals are arranged on the indoor panel of the blade periphery, and the baffle is tilted a certain angle, The chassis is rotated along the inclined direction of the baffle;
The lower end of second fan blade is additionally provided with air draught filter, and the air inlet of the air draught filter connects with indoor lower end Logical, the gas outlet of the air draught filter is connected to the indoor top of first fan blade upper end;
The air output of the air draught filter and the return air filter bank is independently adjustable.
2. the air cleaning system of air-flow equilibrium as described in claim 1, which is characterized in that the indoor ceiling center is set It is equipped with a bearing, the shaft limitation rotation is in the bearing, and the driving mechanism is arranged on the outside of the indoor top, institute It states shaft and is upward through indoor ceiling and connect with the driving mechanism.
3. the air cleaning system of air-flow equilibrium as described in claim 1, which is characterized in that the length of the blade is described The angle of the 1/6~1/4 of chassis radius, the blade and the chassis radius at this is 120 °~150 °.
4. the air cleaning system of air-flow equilibrium as described in claim 1, which is characterized in that the indoor bottom covering paving Equipped with the bottom plate that leaks out, second fan blade is mounted on bottom plate lower end center.
5. the air cleaning system of air-flow equilibrium as described in claim 1, which is characterized in that set on the outside of each through-hole It sets between the blade described in each two.
CN201610527261.8A 2016-07-06 2016-07-06 The air cleaning system of air-flow equilibrium Active CN106178706B (en)

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Application Number Priority Date Filing Date Title
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667579A (en) * 1985-10-03 1987-05-26 Daw, Incorporated Cleanroom structure
CN2732906Y (en) * 2004-09-16 2005-10-12 吴林元 Assembling clean positive-negative pressure patients' room
CN2759621Y (en) * 2004-10-13 2006-02-22 胥麟毅 Highly effective vertical unidirectional wind flow bath room
CN201296986Y (en) * 2008-09-28 2009-08-26 广州市设计院 Intelligent internal respiration double-channel glass curtain wall
CN201568365U (en) * 2009-10-15 2010-09-01 王绍锋 Centrifugal impeller and stirrer
CN202973400U (en) * 2012-11-30 2013-06-05 西安上尚机电有限公司 Air circulation system by utilizing air source heat pump in electronic product aging room
CN203080981U (en) * 2013-01-28 2013-07-24 姚健 Air clean operating room
CN203744402U (en) * 2014-03-26 2014-07-30 浙江强盛医用工程有限公司 Clean room air disinfection purification device
CN104646078A (en) * 2015-01-08 2015-05-27 国家电网公司 Temperature uniformity realizing structure of climate artificial simulation room for ice covering and method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667579A (en) * 1985-10-03 1987-05-26 Daw, Incorporated Cleanroom structure
CN2732906Y (en) * 2004-09-16 2005-10-12 吴林元 Assembling clean positive-negative pressure patients' room
CN2759621Y (en) * 2004-10-13 2006-02-22 胥麟毅 Highly effective vertical unidirectional wind flow bath room
CN201296986Y (en) * 2008-09-28 2009-08-26 广州市设计院 Intelligent internal respiration double-channel glass curtain wall
CN201568365U (en) * 2009-10-15 2010-09-01 王绍锋 Centrifugal impeller and stirrer
CN202973400U (en) * 2012-11-30 2013-06-05 西安上尚机电有限公司 Air circulation system by utilizing air source heat pump in electronic product aging room
CN203080981U (en) * 2013-01-28 2013-07-24 姚健 Air clean operating room
CN203744402U (en) * 2014-03-26 2014-07-30 浙江强盛医用工程有限公司 Clean room air disinfection purification device
CN104646078A (en) * 2015-01-08 2015-05-27 国家电网公司 Temperature uniformity realizing structure of climate artificial simulation room for ice covering and method thereof

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