CN105202672B - A kind of efficient, stable type cascade cooling system - Google Patents
A kind of efficient, stable type cascade cooling system Download PDFInfo
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- CN105202672B CN105202672B CN201510717065.2A CN201510717065A CN105202672B CN 105202672 B CN105202672 B CN 105202672B CN 201510717065 A CN201510717065 A CN 201510717065A CN 105202672 B CN105202672 B CN 105202672B
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- water
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- guiding gutter
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
- F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
-
- 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]
- Y02B30/54—Free-cooling systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Atmospheric Sciences (AREA)
- Sustainable Development (AREA)
- Filtration Of Liquid (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses a kind of efficient, stable type cascade cooling system, including：Water supply installation, water screen apparatus, filtration apparatus, flusher, wind turbine and control device, water inlet pipe and outlet pipe are equipped with the water supply installation, the water screen apparatus is made of cascade, frame and aqueduct, the aqueduct is arranged on the top of frame, the inside of the cascade is in cellular, it is spliced by least two water curtain plates, and guiding gutter is equipped between two water curtain plates, and the guiding gutter is oblique.Heretofore described one kind is efficient, stable type cascade cooling system, the setting of cellular cascade can improve its interior water-holding capacity, so as to improve the effect of its cooling, meanwhile, wind turbine is arranged on the rear and side of cascade, the cascade that lets in air cools down, so as to improve the effect of its radiating and cooling, wherein, the setting of the guiding gutter, the stability that ensure that whole system operation is also put forward while the speed of current is improved, so as to better meet the demand of client.
Description
Technical field
The present invention relates to a kind of cooling system, is specifically a kind of efficient, stable type cascade cooling system.
Background technology
With the fast development of social economy, the living standard and quality of life of people are all constantly improving, for life
Living and working environment requirement is also more and more.At present, needed at the indoor large-area such as workshop, workshop place, megathermal climate
Cooled down using central space, but central air-conditioning power consumption is serious, considerably increases the production cost of enterprise；Meanwhile use
After central air-conditioning, room air circulation is inadequate, and air is dirty and dry, and personnel's comfort is poor.Cascade alias wet curtain, is by original
Paper conversion produces, its production procedure be about starching, drying, compacting corrugation, sizing, gluing, curing, section, reconditioning,
De-taste.
Existing cascade cooling system since it cools down simply by cascade, and, due to existing cascade mostly all
It is into cellular, although can so realize the effect of cooling, since its water-holding capacity is limited, thus by its global design
Its effect to cool down can be also subject to certain restrictions, and influence the effect of its cooling, simultaneously as cascade has water suction work(in itself
Can, it is during use, the immoderate loss of water meeting milli, so will be unable to ensure the normal operation of the system, Jin Erying
The effect of its operation is rung, thus the production technology of existing cascade cooling system needs to improve.
The content of the invention
Goal of the invention：It is an object of the present invention to solve the deficiency of the existing technology and provide a kind of efficient, stable type cascade
Cooling system.
Technical solution：In order to realize the above object a kind of efficient, stable type cascade cooling system of the present invention, bag
Include：Water supply installation, water screen apparatus, filtration apparatus, flusher, wind turbine and control device, be equipped with the water supply installation into
The water inlet end connection of water pipe and outlet pipe, the water inlet pipe and water screen apparatus, the water outlet of the outlet pipe and water screen apparatus
End connection, the filtration apparatus are arranged in water screen apparatus, and the flusher is arranged in front of water screen apparatus, and the wind turbine is set
In the side of water screen apparatus and below, the water supply installation, filtration apparatus, flusher and wind turbine connect with control device
Connect；The water screen apparatus is made of cascade, frame and aqueduct, and the frame is arranged on the edge of cascade, the water guide
Pipe is arranged on the top of frame, and the inside of the cascade is in cellular, it is spliced by least two water curtain plates, two cascades
Guiding gutter is equipped between plate, the guiding gutter is oblique.Heretofore described one kind is efficient, stable type cascade cooling system
System, wherein, the setting of cellular cascade can improve its interior water-holding capacity, so that the effect of its cooling is improved, meanwhile, wind turbine is set
In the rear of cascade and side, the cascade that lets in air cools down, so that the effect of its radiating and cooling is improved, wherein, it is described
The setting of guiding gutter, also puies forward the stability that ensure that whole system operation, so that preferably while the speed of current is improved
Meets the needs of client.
Water pump, water tank, pressure reducing valve, inlet valve and outlet valve are additionally provided with heretofore described water supply installation, it is described
Water pump is arranged on the end of water inlet pipe, and the water inlet end of the water inlet pipe and the water outlet of outlet pipe are arranged in water tank, described
Pressure reducing valve is respectively arranged on water inlet pipe and outlet pipe arranged on water inlet pipe close to water tank one end, the inlet valve and outlet valve.
Heretofore described filtration apparatus is made of filter screen and filter, and the filter screen is arranged on water screen apparatus
Water inlet, the filter are arranged on the water outlet of water screen apparatus, are equipped with filter core in the filter, accelerate cascade into
Water and go out water speed.
The top and bottom of heretofore described frame are equipped with guiding gutter, and the aqueduct is arranged on leading for frame upper end
In sink, the guiding gutter and aqueduct match, and guiding gutter plays aqueduct the effect for supporting and fixing well, has
Effect prevents aqueduct from moving.
Heretofore described aqueduct is equipped with multiple water outlets, and the water outlet is equipped with sprinkler head, effectively
Prevent current excessive and certain impact is caused to cascade, certain protective effect is played to cascade.
Heretofore described outlet pipe is equipped with triple valve, one end of the triple valve and the water outlet of water screen apparatus
Connection, one end are connected with outlet pipe, and the other end is connected with flusher, can effectively ensure that the water quality of the water sprayed, are protected
Demonstrate,prove good working environment.
It is equipped with nozzle in heretofore described flusher, the nozzle uses mist formula nozzle, in the nozzle
Portion is equipped with filter core, and the water quality of the water to spraying further filters.
Induction module, water quality detection module, controller module and remote controler are equipped with heretofore described control device,
Be equipped with temperature sensor and humidity sensor in the induction module, be equipped with the controller module data storage,
Data register, data decoder, clock controller and operation controller, the induction module, water quality detection module and distant
Control device is connected with controller module.
A kind of heretofore described efficient, method of work of stable type cascade cooling system, specific method of work are as follows：
（1）：Power on first, then the water in water tank is extracted into water inlet pipe by water pump；
（2）：After water enters water inlet pipe, flowed to after filter screen in aqueduct, then water is by by aqueduct
Water outlet is flowed in cascade, and is entered in each honeycomb in cascade；
（3）：After cascade constantly immerses water, it will be by way of evaporation to the hot-air of surrounding；
（4）：At the same time, wind turbine, which is adjusted, constantly to be blown to cascade direction, and then wind will be with cascade
Cold air blow around, play cooling effect；
（5）：Since water can flow from high to lower, thus then the water in cascade will pass through side constantly to flowing down
The guiding gutter of frame bottom exports water；
（6）：After water flows to the outlet of cascade from guiding gutter, secondary filter is carried out by filter, then passes through water outlet
Pipe flows out；
（7）：Water from outlet pipe flow out during, once humidity sensor detect environment it is relatively dry when, its
Control device will be delivered the information to, then the controller in control device will order flusher outwards spray water；
（8）：When temperature sensor detects that indoor temperature is less than setting value, it equally also conveys data to control
In device, then control device will order water supply installation be stopped, it is achieved thereby that energy-saving and environment-friendly effect.
Beneficial effect：Efficient, stable type cascade cooling system of the present invention, has the following advantages：
1st, heretofore described a kind of efficient, stable type cascade cooling system, wherein, the setting of cellular cascade can
Its interior water-holding capacity is improved, so that the effect of its cooling is improved, meanwhile, wind turbine is arranged on the rear and side of cascade, lets in air
Cascade cools down, so that the effect of its radiating and cooling is improved, wherein, the setting of the guiding gutter, is improving the speed of current
Also the stability that ensure that whole system operation is put forward while spending, so as to better meet the demand of client.
2nd, the top and bottom of heretofore described frame are equipped with guiding gutter, and the aqueduct is arranged on frame upper end
In guiding gutter, the guiding gutter and aqueduct match, and guiding gutter plays aqueduct the effect for supporting and fixing well,
Effectively prevent aqueduct from moving, further ensure that the stability of whole system operation.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
In figure：Water supply installation -1, water screen apparatus -2, filtration apparatus -3, flusher -4, wind turbine -5, control device -6, into
Water pipe -7, outlet pipe -8, water pump -11, water tank -12, pressure reducing valve -13, inlet valve -14, outlet valve -15, cascade -21, frame -
22nd, aqueduct -23.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated.
Embodiment
One kind as shown in Figure 1 is efficient, stable type cascade cooling system, including：Water supply installation 1, water screen apparatus 2, filtering
Device 3, flusher 4, wind turbine 5 and control device 6, are equipped with water inlet pipe 7 and outlet pipe 8 in the water supply installation 1, described
Water screen apparatus 2 is made of cascade 21, frame 22 and aqueduct 23.
The relation of above-mentioned each component is as follows：
The water inlet pipe 7 is connected with the water inlet end of water screen apparatus 2, the water outlet of the outlet pipe 8 and water screen apparatus 2
Connection, the filtration apparatus 3 are arranged in water screen apparatus 2, and the flusher 4 is arranged on the front of water screen apparatus 2, the wind turbine
5 are arranged on the side and below of water screen apparatus 2, the water supply installation 1, filtration apparatus 3, flusher 4 and wind turbine 5 with control
Device 6 connects；The frame 22 is arranged on the edge of cascade 21, and the aqueduct 23 is arranged on the top of frame 22, the water
The inside of curtain 21 is in cellular, it is spliced by least two water curtain plates, and guiding gutter is equipped between two water curtain plates, described
Guiding gutter it is oblique.
Water pump 11, water tank 12, pressure reducing valve 13, inlet valve 14 are additionally provided with water supply installation 1 described in the present embodiment and is gone out
Water valve 15, the water pump 11 are arranged on the end of water inlet pipe 7, and the water inlet end of the water inlet pipe 7 and the water outlet of outlet pipe 8 are equal
In water tank 12, the pressure reducing valve 13 is arranged on water inlet pipe 7 close to 12 one end of water tank, the inlet valve 14 and outlet valve 15
It is respectively arranged on water inlet pipe 7 and outlet pipe 8.
Filtration apparatus 3 described in the present embodiment is made of filter screen and filter, and the filter screen is filled arranged on cascade
2 water inlet is put, the filter is arranged on the water outlet of water screen apparatus 2, filter core is equipped with the filter.
The top and bottom of frame 22 described in the present embodiment are equipped with guiding gutter, and the aqueduct 23 is arranged on frame 22
In the guiding gutter of upper end, the aqueduct 23 is equipped with multiple water outlets, and the water outlet is equipped with sprinkler head, described
Guiding gutter and aqueduct 23 match.
Outlet pipe 8 described in the present embodiment is equipped with triple valve, one end of the triple valve and going out for water screen apparatus 2
Water end (W.E.) connects, and one end is connected with outlet pipe 8, and the other end is connected with flusher 4, and nozzle, institute are equipped with the flusher 4
The nozzle stated uses mist formula nozzle, and the nozzle is internally provided with filter core.
Induction module, water quality detection module, controller module and remote control are equipped with control device 6 described in the present embodiment
Device, temperature sensor and humidity sensor are equipped with the induction module, and being equipped with data in the controller module stores
Device, data register, data decoder, clock controller and operation controller, the induction module, water quality detection module and
Remote controler is connected with controller module.
Embodiment 2
A kind of efficient, stable type cascade cooling system described in the present embodiment and efficient, the stable type water in embodiment 1
Curtain cooling system structure is identical.
A kind of efficient, stable type cascade cooling system as depicted, including：Water supply installation 1, water screen apparatus 2, filtering dress
3, flusher 4, wind turbine 5 and control device 6 are put, water inlet pipe 7 is equipped with the water supply installation 1 and outlet pipe 8 is formed, it is described
Water screen apparatus 2 be made of cascade 21, frame 22 and aqueduct 23.
The relation of above-mentioned each component is as follows：
The water inlet pipe 7 is connected with the water inlet end of water screen apparatus 2, the water outlet of the outlet pipe 8 and water screen apparatus 2
Connection, the filtration apparatus 3 are arranged in water screen apparatus 2, and the flusher 4 is arranged on the front of water screen apparatus 2, the wind turbine
5 are arranged on the side and below of water screen apparatus 2, the water supply installation 1 and filtration apparatus 3, flusher 4 and wind turbine 5 with control
Device 6 processed connects；The frame 22 is arranged on the edge of cascade 21, and the aqueduct 23 is arranged on the top of frame 22, described
The inside of cascade 21 is in cellular, it is spliced by least two water curtain plates, and guiding gutter, institute are equipped between two water curtain plates
The guiding gutter stated is oblique.
A kind of efficient, method of work of stable type cascade cooling system described in the present embodiment, specific method of work
It is as follows：
（1）：Power on first, then the water in water tank 12 is extracted into water inlet pipe 7 by water pump 11；
（2）：After water enters water inlet pipe 7, flowed to after filter screen in aqueduct 23, then water will pass through aqueduct 23
On water outlet flow in cascade 21, and enter cascade 21 in each honeycomb in；
（3）：After cascade 21 constantly immerses water, it will be by way of evaporation to the hot-air of surrounding；
（4）：At the same time, wind turbine 5, which is adjusted, constantly to be blown to 21 direction of cascade, and then wind will be with cascade
Cold air in 21 plays cooling effect around blowing；
（5）：Since water can flow from high to lower, thus then the water in cascade 21 will pass through constantly to flowing down
The guiding gutter of 22 bottom of frame exports water；
（6）：After water flows to the outlet of cascade 21 from guiding gutter, secondary filter is carried out by filter, then by going out
Water pipe 8 flows out；
（7）：Water from outlet pipe 8 flow out during, once humidity sensor detect environment it is relatively dry when, its
Control device 6 will be delivered the information to, then the controller in control device 6 will order flusher 4 outwards spray water；
（8）：When temperature sensor detects that indoor temperature is less than setting value, it equally also conveys data to control
In device 6, then control device 6 will order water supply installation 1 be stopped, it is achieved thereby that energy-saving and environment-friendly effect.
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, this
Modification of the field technology personnel to the various equivalent forms of the present invention falls within the application appended claims limited range.
Claims (2)
- A kind of 1. efficient, stable type cascade cooling system, it is characterised in that：Including：Water supply installation（1）, water screen apparatus（2）, mistake Filter device（3）, flusher（4）, wind turbine（5）And control device（6）, the water supply installation（1）In be equipped with water inlet pipe（7）With Outlet pipe（8）, the water inlet pipe（7）With water screen apparatus（2）Water inlet end connection, the outlet pipe（8）With water screen apparatus （2）Water outlet connection, the filtration apparatus（3）Arranged on water screen apparatus（2）In, the flusher（4）Arranged on cascade Device（2）Front, the wind turbine（5）Arranged on water screen apparatus（2）Side and below, the water supply installation（1）, filtration apparatus （3）, flusher（4）And wind turbine（5）And control device（6）Connection；The water screen apparatus（2）By cascade（21）, frame（22）And aqueduct（23）Form, the frame（22）Arranged on water Curtain（21）Edge, the aqueduct（23）Arranged on frame（22）Top, the cascade（21）Inside in cellular, its It is spliced by least two water curtain plates, guiding gutter is equipped between two water curtain plates, the guiding gutter is oblique；It is described Water supply installation（1）In be additionally provided with water pump（11）, water tank（12）, pressure reducing valve（13）, inlet valve（14）And outlet valve（15）, it is described Water pump（11）Arranged on water inlet pipe（7）End, the water inlet pipe（7）Water inlet end and outlet pipe（8）Water outlet be all provided with In water tank（12）In, the pressure reducing valve（13）Arranged on water inlet pipe（7）Close to water tank（12）One end, the inlet valve（14）With Outlet valve（15）It is respectively arranged on water inlet pipe（7）And outlet pipe（8）On；The filtration apparatus（3）By filter screen and filter structure Into the filter screen is arranged on water screen apparatus（2）Water inlet, the filter is arranged on water screen apparatus（2）Water outlet, Filter core is equipped with the filter；The frame（22）Top and bottom be equipped with guiding gutter, the aqueduct（23） Arranged on frame（22）In the guiding gutter of upper end, the guiding gutter and aqueduct（23）Match；The aqueduct（23）On Equipped with multiple water outlets, the water outlet is equipped with sprinkler head；The outlet pipe（8）It is equipped with triple valve, described three One end of port valve and water screen apparatus（2）Water outlet connection, one end and outlet pipe（7）Connection, the other end and flusher（4）Even Connect；The flusher（4）In be equipped with nozzle, the nozzle uses mist formula nozzle, and the nozzle is internally provided with filter core； The control device（6）In be equipped with induction module, water quality detection module, controller module and remote controler, the sensing mould Temperature sensor and humidity sensor are equipped with block, data storage, data register, number are equipped with the controller module According to decoder, clock controller and operation controller, the induction module, water quality detection module and remote controler are and controller Module connects.
- A kind of 2. efficient, method of work of stable type cascade cooling system according to claim 1, it is characterised in that：Tool The method of work of body is as follows：（1）：Power on first, then pass through water pump（11）By water tank（12）In water be extracted into water inlet pipe（7）In；（2）：When water enters water inlet pipe（7）Afterwards, aqueduct is flowed to after filter screen（23）In, then water will pass through aqueduct （23）On water outlet flow to cascade（21）In, and enter cascade（21）In each honeycomb in；（3）：Treat cascade（21）After constantly immersing water, it will be by way of evaporation to the hot-air of surrounding；（4）：At the same time, wind turbine is adjusted（5）Will be to cascade（21）Direction is constantly blown, and then wind will be with cascade （21）In cold air blow around, play cooling effect；（5）：Since water can flow from high to lower, thus cascade（21）In water will constantly to flow down, then pass through side Frame（22）The guiding gutter of bottom exports water；（6）：When water flows to cascade from guiding gutter（21）Outlet after, by filter carry out secondary filter, then pass through water outlet Pipe（8）Outflow；（7）：In water from outlet pipe（8）During outflow, once humidity sensor detect environment it is relatively dry when, its will Control device can be delivered the information to（6）, then control device（6）In controller will order flusher（4）Outwards spray Water；（8）：When temperature sensor detects that indoor temperature is less than setting value, it equally also conveys data to control device （6）In, then control device（6）Will order water supply installation（1）It is stopped, it is achieved thereby that energy-saving and environment-friendly effect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510717065.2A CN105202672B (en) | 2015-10-30 | 2015-10-30 | A kind of efficient, stable type cascade cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510717065.2A CN105202672B (en) | 2015-10-30 | 2015-10-30 | A kind of efficient, stable type cascade cooling system |
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| CN105202672A CN105202672A (en) | 2015-12-30 |
| CN105202672B true CN105202672B (en) | 2018-05-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302649A (en) * | 2016-08-31 | 2018-07-20 | 奇岩电子股份有限公司 | Air-conditioning device |
| CN108566892A (en) * | 2018-04-20 | 2018-09-25 | 济源市阳光兔业科技有限公司 | A kind of rabbit home temp and humidity regulator |
| CN108901483A (en) * | 2018-07-23 | 2018-11-30 | 合肥科地尔农业技术开发有限公司 | A kind of greenhouse mounting structure |
| CN109579225A (en) * | 2018-11-26 | 2019-04-05 | 邝德昌 | Intelligent evaporative air cooler monitoring method and system based on Internet of Things |
| CN114278132B (en) * | 2021-12-28 | 2022-07-26 | 广东恒辉建设集团股份有限公司 | Steel structure factory building and construction method thereof |
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| CN203771603U (en) * | 2014-02-25 | 2014-08-13 | 奉化市联鑫塑钢五金有限公司 | Water-saving water curtain applied to French windows |
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| KR20060028716A (en) * | 2006-02-22 | 2006-03-31 | 주식회사 성일 | Cooler |
| CN101509684A (en) * | 2009-03-10 | 2009-08-19 | 尹宏文 | Communication equipment room energy-conserving system |
| CN201935318U (en) * | 2011-01-31 | 2011-08-17 | 丁兴伟 | Wet curtain |
| CN202392920U (en) * | 2011-12-02 | 2012-08-22 | 天津市丽台兰园昆虫养殖专业合作社 | Water-curtain-type air conditioner |
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| CN105202672A (en) | 2015-12-30 |
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