CN103307718A - Radial-flow air supplying passageway device of air supplying and returning system of air conditioner for radial-flow clean room - Google Patents
Radial-flow air supplying passageway device of air supplying and returning system of air conditioner for radial-flow clean room Download PDFInfo
- Publication number
- CN103307718A CN103307718A CN2013102354025A CN201310235402A CN103307718A CN 103307718 A CN103307718 A CN 103307718A CN 2013102354025 A CN2013102354025 A CN 2013102354025A CN 201310235402 A CN201310235402 A CN 201310235402A CN 103307718 A CN103307718 A CN 103307718A
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- Prior art keywords
- air
- spoke
- stream
- toilet
- flow
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Classifications
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- 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
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/072—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser of elongated shape, e.g. between ceiling panels
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- 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
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- 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
- F24F7/10—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 with air supply, or exhaust, through perforated wall, floor or ceiling
Abstract
The invention relates to a radial-flow air supplying passageway device of an air supplying and returning system of an air conditioner for a radial-flow clean room. The radial-flow air supplying passageway device comprises a clean room top plate, a static pressure box-type air supplying passageway, pressure equalizing partition boards, an arc radial-flow cover, a damping layer and an high-efficiency filter group, wherein pressure equalizing holes in the pressure equalizing partition boards are round holes or strip-shaped holes; when the pressure equalizing partition boards are strip-shaped holes, the number of the pressure equalizing partition boards is larger than two, and the gap of every two adjacent pressure equalizing partition boards is adjustable. The radial-flow air supplying passageway device has the benefits that by means of a radial-flow air supplying ventilation system and the static pressure box-type air supplying passageway, an air regulating valve is omitted, and running resistance of the air supplying and returning system is reduced; by means of the arrangement of the static pressure box-type air supplying passageway and an air returning port, the diffusion speed of harmful suspended particles in the clean room reaches to the minimum, and the cleanness of the clean room reaches to the highest grade; and compared with an unidirectional flow clean room, less high-efficiency filter groups are used, so that the construction investment of the clean room is small, the operation is energy-saving, and the maintenance is convenient.
Description
Technical field
The present invention relates to that a kind of spoke stream toilet air-conditioning send, the spoke air supply stream lane device of air return system, belong to room air clean technology field, be applicable to cleanliness factor is had the room of requirement, such as medicine, food production workshop, the workshop of retrofit manufacturing enterprise and the aseptic ward of hospital etc.
Background technology
At present, turbulent flow clean room air-conditioning commonly used send, air return system uses the scheme of passing through at the high efficiency particulate air filter of toilet's top layout some, the clean gas flow that penetrates from indoor diffusing cover after filtering mixes with original air in the toilet, makes original airborne pollutant obtain " dilution ".Because the high efficiency particulate air filter at its top, toilet uses " point distributes ", cause indoor air flow to distribute very inhomogeneous, although this turbulent flow clean room cost and operating cost are lower, but owing to the intrinsic defective of clean indoor air flow, generally be only applicable to the toilet of cleanliness factor more than ten thousand grades and 100,000 grades.Turbulent flow clean room air blow and return mode commonly used is sent wall return air under the side for the top.
The structure of the air-supply passage of turbulent flow clean room is as follows:
The air-conditioning unit uses the typing complete sets of products, its machine room majority of laying unit has certain distance apart from the toilet, therefore need to lay special-purpose give, return air duct connects with it, usually also need lay special-purpose blast main road and blowpipe road at the top, toilet and be connected with the plenum chamber of dispersion, be provided with control valve between main air supply duct and blowpipe road and the plenum chamber and regulate in order to carry out air quantity.Existing turbulent flow clean room send, the return air duct system process complicated, and difficulty of construction is larger, and air-conditioning air blow and return running resistance is large, causes operating cost high.
The shortcoming of turbulent flow clean room is because its flow field of sending into the pure air in the toilet often causes the indoor section zone to form " eddy current ", so that the harmful substance of indoor generation can not be discharged with the diffusion of minimum, cause toilet's cleanliness factor detection of dynamic effect not good enough.
At present Unidirectional air flow clean rooms commonly used is that high efficiency particulate air filter is covered with along the top, toilet, makes whole toilet form equally distributed clean gas flow, most of pollutant along with air-flow with the shortest path flow to return air inlet.Thereby can reach very high cleanliness factor, generally be used for the environment of 100 grades of cleanliness factors.In addition, Unidirectional air flow clean rooms adopts the foot level grill air return system, causes involving great expense.
The shortcoming of Unidirectional air flow clean rooms is that cost is too high, and Unidirectional air flow clean rooms is built and maintenance difficulty is larger.
Summary of the invention
Technical problem to be solved by this invention provides a kind of simple in structure, small investment, can satisfy that the spoke stream toilet air-conditioning that the required cleanliness class in toilet requires send, the spoke air supply stream lane device of air return system.
The technical solution adopted for the present invention to solve the technical problems:
A kind of spoke stream toilet air-conditioning send, the spoke air supply stream lane device of air return system, it is characterized in that by toilet's top board, static-pressure box type air-supply passage, all presses dividing plate, arc spoke stream cover, damping layer and high efficiency particulate air filter group to form; Be evenly equipped with flow-out hole at described arc spoke stream cover, described damping layer is affixed on the inwall of arc spoke stream cover, and described damping layer is the filter course that nylon material is made; Be evenly equipped with balancing orifice at the described dividing plate of all pressing, described static-pressure box type air-supply passage, all press between dividing plate, arc spoke stream cover and the toilet's top board and be sealed connected together by connector, described static-pressure box type air-supply passage and arc spoke stream cover lays respectively at the above and below of toilet's top board, static-pressure box type air-supply passage and all to press the chamber between the dividing plate be vent passages; All pressing the chamber between dividing plate and the arc spoke stream cover is surge tank; The long elongated layout in length direction top side wall position of length direction medium position or edge that described arc spoke stream cover is long along the top, toilet; One end of described static-pressure box type air-supply passage is connected with pipeline for giving wind for air conditioner by the high efficiency particulate air filter group, and described pipeline for giving wind for air conditioner is connected with the air-conditioner air outlet plenum chamber that is installed in air-conditioner air outlet.
Be positioned at that described all to press the balancing orifice on the dividing plate be circular hole or bar hole, when being bar hole, the described dividing plate of all pressing all presses the gap between the dividing plate adjustable for adjacent two by forming more than 2.
The flow-out hole that is positioned on the arc spoke stream cover is circular hole or bar hole.
The area S of described balancing orifice calculates by uiform section balanced ventilation pipeline theory, and computing formula is as follows:
Q is described vent passages air output in the formula, and unit is m
3/ s;
μ is the discharge coefficient at balancing orifice mouth place;
P
JpBe the average static pressure at balancing orifice mouth place, unit is Pa.
Described arc spoke stream cover is semicircle spoke stream cover.
The radius of curvature of described arc spoke stream cover is determined by the required ventilation in toilet, the radius of curvature of described arc spoke stream cover, the size of flow-out hole and the triplicity of perforate density determine the wind speed v of arc spoke stream cover exhaust vent, and the scope of described wind speed V is: 0.3m/s＜V＜0.5m/s.
The operation principle of described spoke circulation wind lane device:
Spoke stream toilet is not because the flow field of the air-flow that its flow-out hole is sent is single direction, but uniform along arc spoke stream cover radial direction, its purification mechanism both had been different from the dilution blending effect of turbulent flow clean room, the piston action that also is different from Unidirectional air flow clean rooms air flow stream line parallel, it uses less high efficiency particulate air filter group, the flow field of indoor formation displacement stream in the toilet, it has adopted new flow-out hole form and air current composition scheme, with the least possible pure air to satisfy the required cleanliness class in toilet.
Static-pressure box type air-supply passage and all press the cavity between the dividing plate to form vent passages.Because the sectional area of this vent passages is greater than the sectional area of pipeline for giving wind for air conditioner, flow velocity reduced after air flowed into this vent passages, and the part dynamic pressure of air-flow can be converted into static energy, made air equably by all pressing the chamber between dividing plate and the arc spoke stream cover.Because arc spoke stream cover inwall is provided with damping layer, so that air-supply further evenly reallocated, make that to cover stream by arc spoke stream more even.In like manner, because damping layer makes again the air-supply uniformity of all pressing dividing plate obtain further assurance to the drag effect of air-supply air-flow.
Beneficial effect of the present invention is as follows:
(1) the present invention adopts the ventilating system of " spoke air supply stream ", uses the static-pressure box type air-supply passage, has saved volume damper, reduced give, the running resistance of air return system.
(2) layout of static-pressure box type air-supply passage of the present invention and return air inlet makes the harmful suspended particles in the toilet reach minimum at toilet's inner diffusing rate, makes the cleanliness factor in the toilet reach higher rank.
(3) the present invention and Unidirectional air flow clean rooms compare, and the high efficiency particulate air filter group of use is less, makes the Construction of Cleaning Room small investment, and energy saving in running, and is easy to maintenance.
Description of drawings
Fig. 1 is the upward view of Fig. 2.
Fig. 2 is structural representation of the present invention (being the I place enlarged drawing of Fig. 5).
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the use state diagram (being the B-B cutaway view of Fig. 5) that the present invention is used for spoke stream toilet.
Fig. 5 is the A-A cutaway view of Fig. 4.
In Fig. 1 ~ 5,1 static-pressure box type supply air duct, 2 all press dividing plate, 3 toilet's top boards, 4 damping layers, 5 arc spokes stream cover, 6 cross sectional shapes are inverse-T-shaped connector, 7 cross sectional shapes are the connector of " U " shape, 8 high efficiency particulate air filter groups, 9 air-conditioning return air pipelines, 10 pipeline for giving wind for air conditioners, 11 air-conditioner air outlet plenum chambers, 12 air-conditioning draught fans, at the beginning of the 13 air-conditioning units, medium effeciency filter, 14 return air inlet for air-conditioner plenum chambers, 15 air-conditioning units, 16 air-conditioner fresh air inlet filters, 17 return air arms, 18 toilets, 19 return air filterings, 20 sandwich wall formula return airways, 21 sandwich wall formula return airways, 22 return air arms.
The specific embodiment
By the embodiment shown in Fig. 1-5 as can be known, it is by toilet's top board 3, static-pressure box type air-supply passage 1, all press dividing plate 2, arc spoke stream cover 5, damping layer 4 and high efficiency particulate air filter group 8 to form; Be evenly equipped with flow-out hole at described arc spoke stream cover 5, described damping layer 4 is affixed on the inwall of arc spoke stream cover 5, the filter course that described damping layer 4 is made for nylon material; Be evenly equipped with balancing orifice at the described dividing plate 2 of all pressing, described static-pressure box type air-supply passage 1, all press between dividing plate 2, arc spoke stream cover 5 and the toilet's top board 3 and be sealed connected together by connector, described static-pressure box type air-supply passage 1 and arc spoke stream cover 5 lays respectively at the above and below of toilet's top board 3, static-pressure box type air-supply passage 1 and all to press the chamber between the dividing plate 2 be vent passages; All pressing the chamber between dividing plate 2 and the arc spoke stream cover 5 is surge tank;
In the present embodiment, described all the pressure on the end face that dividing plate 2 is positioned at arc spoke stream cover 5; Described static-pressure box type air-supply passage 1 is positioned at the top of all pressing dividing plate 2, and described static-pressure box type air-supply passage 1, all to press dividing plate 2 and arc spoke stream cover 5 threes be that the connector 7 of " U " shape is fixed on toilet's top board 3 by cross sectional shape for the connector of falling the T-shape 6 and cross sectional shape; The described arc spoke stream cover 5 length direction medium position that 18 tops are grown along the toilet is arranged (see figure 4), also can be along the long elongated layout in length direction top side wall position, at this moment, return air inlet is positioned at the sidewall bottom, quiet toilet of the diagonally opposing corner direction of arc spoke stream cover 5; One end of described static-pressure box type air-supply passage 1 is connected with pipeline for giving wind for air conditioner 10 by high efficiency particulate air filter group 8, and described pipeline for giving wind for air conditioner 10 is connected with the air-conditioner air outlet plenum chamber 11 that is installed in air-conditioner air outlet.
Be positioned at that described all to press the balancing orifice on the dividing plate 2 be circular hole or bar hole, when being bar hole, the described dividing plate 2 of all pressing all presses the gap between the dividing plate 2 adjustable for adjacent two by forming more than 2.
The flow-out hole that is positioned on the arc spoke stream cover 5 is circular hole or bar hole.
The area S of described balancing orifice calculates by uiform section balanced ventilation pipeline theory, and computing formula is as follows:
Q is described vent passages air output in the formula, and unit is m
3/ s;
μ is the discharge coefficient at balancing orifice mouth place;
P
JpBe the average static pressure at balancing orifice mouth place, unit is Pa.
Described arc spoke stream cover 5 is semicircle spoke stream cover.
The radius of curvature of described arc spoke stream cover 5 is determined by the required ventilation in toilet, the radius of curvature of described arc spoke stream cover 5, the size of flow-out hole and the triplicity of perforate density determine the wind speed v of arc spoke stream cover exhaust vent, and the scope of described wind speed V is: 0.3m/s＜V＜0.5m/s.
Claims (6)
- Spoke stream toilet air-conditioning give, the spoke air supply stream lane device of air return system, it is characterized in that by toilet's top board (3), static-pressure box type air-supply passage (1), all press dividing plate (2), arc spoke stream cover (5), damping layer (4) and high efficiency particulate air filter group (8) to form; Be evenly equipped with flow-out hole at described arc spoke stream cover (5), described damping layer (4) is affixed on the inwall of arc spoke stream cover (5), the filter course that described damping layer (4) is made for nylon material; Be evenly equipped with balancing orifice at the described dividing plate (2) of all pressing, described static-pressure box type air-supply passage (1), all press between dividing plate (2), arc spoke stream cover (5) and the toilet's top board (3) and be sealed connected together by connector, described static-pressure box type air-supply passage (1) and arc spoke stream cover (5) lays respectively at the above and below of toilet's top board (3), static-pressure box type air-supply passage (1) and all to press the chamber between the dividing plate (2) be vent passages; All pressing the chamber between dividing plate (2) and the arc spoke stream cover (5) is surge tank; Described arc spoke stream cover (5) is the long long elongated layout in length direction top side wall position of length direction medium position or edge in (18) top along the toilet; One end of described static-pressure box type air-supply passage (1) is connected with pipeline for giving wind for air conditioner (10) by high efficiency particulate air filter group (8), and described pipeline for giving wind for air conditioner (10) is connected with the air-conditioner air outlet plenum chamber (11) that is installed in air-conditioner air outlet.
- Spoke according to claim 1 stream toilet air-conditioning give, the spoke air supply stream lane device of air return system, it is characterized in that being positioned at that described all to press the balancing orifice on the dividing plate (2) be circular hole or bar hole, when being bar hole, the described dividing plate (2) of all pressing all presses the gap between the dividing plate (2) adjustable for adjacent two by forming more than 2.
- Spoke according to claim 1 and 2 stream toilet air-conditioning give, the spoke air supply stream lane device of air return system, it is characterized in that the flow-out hole that is positioned on the arc spoke stream cover (5) is circular hole or bar hole.
- Spoke according to claim 3 stream toilet air-conditioning give, the spoke air supply stream lane device of air return system, it is characterized in that the area S of described balancing orifice calculates by uiform section balanced ventilation pipeline theory, computing formula is as follows:
Q is described vent passages air output in the formula, and unit is m 3/ s;μ is the discharge coefficient at balancing orifice mouth place;P JpBe the average static pressure at balancing orifice mouth place, unit is Pa. - Spoke according to claim 4 stream toilet air-conditioning give, the spoke air supply stream lane device of air return system, it is characterized in that described arc spoke stream cover (5) is semicircle spoke stream cover.
- Spoke according to claim 5 stream toilet air-conditioning give, the spoke air supply stream lane device of air return system, the radius of curvature that it is characterized in that described arc spoke stream cover (5) is determined by the required ventilation in toilet, the radius of curvature of described arc spoke stream cover (5), the size of flow-out hole and the triplicity of perforate density determine the wind speed v of arc spoke stream cover flow-out hole, and the scope of described wind speed V is: 0.3m/s＜V＜0.5m/s.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235402.5A CN103307718B (en) | 2013-06-14 | 2013-06-14 | Vector flow clean room air-conditioning send, the spoke air supply stream lane device of air return system |
| PCT/CN2013/090929 WO2014198119A1 (en) | 2013-06-14 | 2013-12-30 | Radial-flow air supply channel device of air supply and return system of air conditioner in radial-flow clean room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235402.5A CN103307718B (en) | 2013-06-14 | 2013-06-14 | Vector flow clean room air-conditioning send, the spoke air supply stream lane device of air return system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103307718A true CN103307718A (en) | 2013-09-18 |
| CN103307718B CN103307718B (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310235402.5A Active CN103307718B (en) | 2013-06-14 | 2013-06-14 | Vector flow clean room air-conditioning send, the spoke air supply stream lane device of air return system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103307718B (en) |
| WO (1) | WO2014198119A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014198119A1 (en) * | 2013-06-14 | 2014-12-18 | 石家庄奥祥医药工程有限公司 | Radial-flow air supply channel device of air supply and return system of air conditioner in radial-flow clean room |
| CN110243019A (en) * | 2019-05-17 | 2019-09-17 | 石家庄奥祥医药工程有限公司 | A kind of low speed stabilizing, displacement stream clean air-conditioning system |
| CN111228928A (en) * | 2020-02-29 | 2020-06-05 | 傲通环球环境控制（深圳）有限公司 | Vertical spherical filter of toilet |
| CN112303756A (en) * | 2020-09-28 | 2021-02-02 | 石家庄奥祥医药工程有限公司 | Steady-state displacement flow clean cabin |
| CN112742282A (en) * | 2020-12-29 | 2021-05-04 | 青岛市中心医院 | Chemotherapy medicine sterilization allotment equipment |
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| CN202613705U (en) * | 2012-06-21 | 2012-12-19 | 珠海格力电器股份有限公司 | Sliding mechanism used for bypass air vent of air conditioner indoor unit and air conditioner comprising sliding mechanism |
| CN203385159U (en) * | 2013-06-14 | 2014-01-08 | 石家庄奥祥医药工程有限公司 | Radial flow air supplying channel device of air conditioner air supplying and returning system of radial flow cleaning room |
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| CN203385158U (en) * | 2013-06-14 | 2014-01-08 | 石家庄奥祥医药工程有限公司 | Low-stable-speed radial-flow air conditioner air feeding and returning system for clean room |
| CN103307718B (en) * | 2013-06-14 | 2015-08-19 | 石家庄奥祥医药工程有限公司 | Vector flow clean room air-conditioning send, the spoke air supply stream lane device of air return system |
| CN103322657B (en) * | 2013-06-14 | 2015-08-26 | 石家庄奥祥医药工程有限公司 | A kind of low speed stabilizing, vector flow clean room air-conditioning send, air return system |
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- 2013-12-30 WO PCT/CN2013/090929 patent/WO2014198119A1/en active Application Filing
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| JPS54162840A (en) * | 1978-06-13 | 1979-12-24 | Mitsubishi Electric Corp | Structure of admission port |
| WO1986002711A1 (en) * | 1984-11-01 | 1986-05-09 | Total Air, Inc. | Gaseous fluid distribution devices |
| JPH08150312A (en) * | 1994-11-29 | 1996-06-11 | Sanki Eng Co Ltd | Filter unit for clean room |
| DE19600832A1 (en) * | 1996-01-12 | 1997-07-17 | Schako Metallwarenfabrik | Air outlet |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014198119A1 (en) * | 2013-06-14 | 2014-12-18 | 石家庄奥祥医药工程有限公司 | Radial-flow air supply channel device of air supply and return system of air conditioner in radial-flow clean room |
| CN110243019A (en) * | 2019-05-17 | 2019-09-17 | 石家庄奥祥医药工程有限公司 | A kind of low speed stabilizing, displacement stream clean air-conditioning system |
| CN111228928A (en) * | 2020-02-29 | 2020-06-05 | 傲通环球环境控制（深圳）有限公司 | Vertical spherical filter of toilet |
| CN111228928B (en) * | 2020-02-29 | 2022-01-04 | 傲通环球环境控制（深圳）有限公司 | Vertical spherical filter of toilet |
| CN112303756A (en) * | 2020-09-28 | 2021-02-02 | 石家庄奥祥医药工程有限公司 | Steady-state displacement flow clean cabin |
| CN112742282A (en) * | 2020-12-29 | 2021-05-04 | 青岛市中心医院 | Chemotherapy medicine sterilization allotment equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014198119A1 (en) | 2014-12-18 |
| CN103307718B (en) | 2015-08-19 |
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