CN108507082B - Constant-humidity cooling evaporative cooling air conditioner - Google Patents
Constant-humidity cooling evaporative cooling air conditioner Download PDFInfo
- Publication number
- CN108507082B CN108507082B CN201810167740.2A CN201810167740A CN108507082B CN 108507082 B CN108507082 B CN 108507082B CN 201810167740 A CN201810167740 A CN 201810167740A CN 108507082 B CN108507082 B CN 108507082B
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- air
- shell
- cooler
- water
- cooling
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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
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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
- F24F13/30—Arrangement or mounting of heat-exchangers
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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)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an equal-humidity cooling evaporative cooling air conditioner which comprises a shell, wherein an air inlet is formed in one side wall of the shell, a primary cooler and a secondary cooler are sequentially arranged in the shell along the flowing direction of air after entering, two air outlets are formed in the top wall of the shell, and the two air outlets are respectively positioned above the primary cooler and the secondary cooler; the side wall of the shell opposite to the air inlet is provided with an air supply outlet, the two air outlet parts are respectively provided with an exhaust fan, and the air supply outlet part is provided with an air feeder. The composite material pipe is made of a plant fiber-polymer composite film, and has the advantages of low cost, good water absorption and high cooling efficiency.
Description
Technical Field
The invention belongs to the technical field of evaporative cooling air conditioners, and relates to an equal-humidity cooling evaporative cooling air conditioner.
Background
Under the large background that the country continuously and vigorously advocates energy conservation and emission reduction and improves energy utilization efficiency, evaporative cooling air conditioning technology is more and more emphasized, and the industry is also continuously expanded. The hot point technology in the evaporative cooling air conditioning technology is an indirect evaporative cooling technology, and the lower the temperature for cooling air and other humidity, the higher the efficiency, and the more advantageous the indirect evaporative cooling technology is. At present, most indirect evaporative coolers are made of metal or plastic materials, the hydrophilicity and the cooling efficiency are poor, the heat and moisture exchange area on the side of a wet channel is small, and the moisture evaporation amount is small.
Disclosure of Invention
The invention aims to provide an equal-humidity cooling evaporative cooling air conditioner which can improve the cooling efficiency of the air conditioner.
The invention adopts the technical scheme that the constant-humidity cooling evaporative cooling air conditioner comprises a shell, wherein an air inlet is formed in one side wall of the shell, a primary cooler and a secondary cooler are sequentially arranged in the shell along the flowing direction of air after entering the shell, and two air outlets are formed in the top wall of the shell and are respectively positioned above the primary cooler and the secondary cooler; the side wall of the shell opposite to the air inlet is provided with an air supply outlet, the two air outlet parts are respectively provided with an exhaust fan, and the air supply outlet part is provided with an air feeder.
The present invention is also characterized in that,
the primary cooler and the secondary cooler have the same structure and comprise heat exchangers, a water distributor is arranged above the heat exchangers, a water collecting tank is arranged below the heat exchangers, the water collecting tank is communicated with the water distributor through a water supply pipe, and a circulating water pump is arranged on the water supply pipe; the air outlets are respectively positioned above the water distributors.
An air flow channel is formed between the heat exchanger and the water collecting tank in the secondary cooler.
The heat exchanger comprises a heat exchange core body and a plurality of layers of packing layers which are sequentially arranged, wherein the heat exchange core body is composed of a plurality of composite material pipes which are horizontally arranged, and the plurality of composite material pipes vertically penetrate through each layer of packing layer.
The shape of each filler layer is wave-shaped.
The composite material pipe is made of a plant fiber-polymer composite film.
A plurality of annular supporting frames which are arranged in sequence are arranged in the composite material pipe, and the outer wall of each supporting frame is in contact with the inner wall of the composite material pipe.
The invention has the beneficial effects that:
(1) according to the equal-humidity cooling evaporative cooling air conditioner, the composite material pipe is made of the plant fiber-polymer composite film, so that the cost is low, the water absorption is good, and the cooling efficiency is high;
(2) according to the equal-humidity cooling evaporative cooling air conditioner, the plant fiber-polymer composite material pipe is provided with the supporting framework, so that the shape of the plant fiber-polymer composite film pipe can be supported, deformation during long-time work is avoided, and a high heat exchange effect is achieved;
(3) the heat exchange core body adopted by the equal-humidity cooling evaporative cooling air conditioner is a core body combining the filler and the plant fiber-composite material pipe, the filler can uniformly distribute water on each part of the plant fiber-polymer composite material pipe, the purpose of uniform cooling is achieved, and the heat and humidity exchange area of the wet side of the indirect cooler is increased; an intermittent water distribution mode can be adopted, and the water pump is intermittently started and stopped, so that the energy-saving effect is achieved.
Drawings
FIG. 1 is a schematic structural diagram of an isothermal cooling evaporative cooling air conditioner according to the present invention;
FIG. 2 is a side view of an isothermal de-superheating evaporative cooling air conditioner of the present invention;
fig. 3 is a schematic structural diagram of a composite material pipe in an isothermal cooling evaporative cooling air conditioner according to the present invention.
In the figure, 1, a shell, 2, an air inlet, 3, a heat exchanger, 4, an exhaust fan, 5, a water distributor, 6, a water collecting tank, 7, a water supply pipe, 8, a circulating water pump, 9, an exhaust outlet, 10, an air supply outlet, 11, an air flow channel, 12, a heat exchange core, 13, a packing layer, 14, a composite material pipe, 15, a support frame, 16, a flow deflector and 17, a blower are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to an equal-humidity cooling evaporative cooling air conditioner, which comprises a shell 1, wherein an air inlet 2 is formed in one side wall of the shell 1, a primary cooler and a secondary cooler are sequentially arranged in the shell 1 along the flowing direction of air after entering, two air outlets 9 are formed in the top wall of the shell 1, and the two air outlets 9 are respectively positioned above the primary cooler and the secondary cooler; the side wall of the shell 1 opposite to the air inlet 2 is provided with an air supply outlet 10, the two air outlets 9 are respectively provided with an exhaust fan 4, and the air supply outlet 10 is provided with an air feeder 17.
The primary cooler and the secondary cooler both comprise heat exchangers 3, a water distributor 5 is arranged above the heat exchangers 3, a water collecting tank 6 is arranged below the heat exchangers 3, the water collecting tank 6 is communicated with the water distributor 5 through a water supply pipe 7, and a circulating water pump 8 is arranged on the water supply pipe 7; the air outlets 9 are respectively positioned above the water distributors 5; an air flow channel 11 is formed between the heat exchanger 3 and the water collecting tank 6 in the secondary cooler, a fluid director 16 is arranged in the air flow channel 11, and the fluid director 16 is formed by sequentially arranging a plurality of arc-shaped plastic guide vanes. The flow guide 16 enables the air cooled by the primary cooler to uniformly flow to the secondary cooler.
The heat exchanger 3 comprises a heat exchange core body 12 and a plurality of layers of packing layers 13 which are sequentially arranged, wherein the heat exchange core body 12 comprises a plurality of composite material pipes 14 which are horizontally arranged, and the plurality of composite material pipes 14 vertically penetrate through each layer of packing layer 13.
Each packing layer 13 is wave-shaped.
The material of the composite pipe 14 is a plant fiber-polymer composite film.
As shown in fig. 3, a plurality of annular support frames 15 are arranged in the composite material tube 14 in sequence, and the outer wall of each support frame 15 contacts with the inner wall of the composite material tube 14, so that the tubular shape of the plant fiber-polymer composite membrane can be supported, and the long-time operation is ensured without deformation and with a high heat exchange effect.
The working process of the constant-humidity cooling evaporative cooling air conditioner comprises the following steps:
during operation, in the primary cooling device: outdoor air enters a composite material pipe 14 of a primary cooling device under the action of a blower 17, all the air inside and outside the primary cooling device is used as primary air for cooling, meanwhile, an exhaust fan 4 above the primary cooling device sucks the outdoor air into a heat exchange core 12 to be used as secondary air, the secondary air enters a wet channel of the heat exchange core 12 through the bottom of a heat exchanger 3, a water distributor 5 sprays water onto the pipe wall of the heat exchange core 12 and a filler 13, the secondary air moves upwards and is cooled to enter the primary air in the composite material pipe 14 when performing heat and moisture exchange with moisture, and finally the secondary air is discharged under the action of the exhaust fan 4;
in the secondary cooling device: the primary air cooled by the primary cooler enters a secondary cooler 3 for secondary cooling; the partially cooled primary air is used as secondary air and uniformly enters a wet channel of a heat exchange core body 12 of a secondary cooling device through a flow deflector 16, the secondary air and water sprayed by a water distributor 5 on a pipe wall and a filler 13 are subjected to heat and moisture exchange cooling to obtain primary air from a primary cooling device, the secondary air in the secondary cooling device is discharged through an exhaust fan 4, and the primary air is fed into a room from an air supply outlet under the action of an air feeder 17.
Through the mode, the constant-humidity cooling evaporative cooling air conditioner adopts the plant fiber-polymer composite membrane as the material of the composite material pipe, and has the advantages of low cost, good water absorption and high cooling efficiency; according to the equal-humidity cooling evaporative cooling air conditioner, the plant fiber-polymer composite material pipe is provided with the supporting framework, so that the shape of the plant fiber-polymer composite film pipe can be supported, deformation during long-time work is avoided, and a high heat exchange effect is achieved; according to the equal-humidity cooling evaporative cooling air conditioner, the adopted heat exchange core body is a core body combining the filler and the plant fiber-composite material pipe, and the filler can uniformly distribute water in each part of the plant fiber-polymer composite material pipe, so that the purpose of uniform cooling is achieved; an intermittent water distribution mode can be adopted, and the water pump is intermittently started and stopped, so that the energy-saving effect is achieved; according to the equal-humidity cooling evaporative cooling air conditioner, the heat exchange core body is provided with the two-stage structure, and the partially cooled air can be used as secondary air to cool primary air, so that the purpose of gradually cooling is achieved, and the processed air approaches to a dew point.
Claims (2)
1. The constant-humidity cooling evaporative cooling air conditioner is characterized by comprising a shell (1), wherein an air inlet (2) is formed in one side wall of the shell (1), a primary cooler and a secondary cooler are sequentially arranged in the shell (1) along the flowing direction of air entering, two air outlets (9) are formed in the top wall of the shell (1), and the two air outlets (9) are respectively positioned above the primary cooler and the secondary cooler; an air supply outlet (10) is formed in the side wall, opposite to the air inlet (2), of the shell (1), exhaust fans (4) are arranged at the positions of the two air outlets (9), an air supply fan (17) is arranged at the position of the air supply outlet (10), the primary cooler and the secondary cooler are identical in structure and comprise heat exchangers (3), a water distributor (5) is arranged above the heat exchangers (3), a water collecting tank (6) is arranged below the heat exchangers (3), the water collecting tank (6) is communicated with the water distributor (5) through a water supply pipe (7), and a circulating water pump (8) is arranged on the water supply pipe (7); air exit (9) are located water-locator (5) top respectively, heat exchanger (3) include heat transfer core (12) and multilayer packing layer (13) of arranging in proper order, heat transfer core (12) comprise many combined material pipe (14) of horizontal arrangement, many every layer of packing layer (13) is passed perpendicularly to combined material pipe (14), the material of combined material pipe (14) is vegetable fibre-polymer composite film, every layer the shape of packing layer (13) is the wave, be provided with a plurality of annular support frame (15) of arranging in proper order in combined material pipe (14), every the outer wall of support frame (15) contacts with combined material pipe (14) inner wall.
2. An isothermal de-superheating evaporative cooling air conditioner according to claim 1, characterized in that an air flow channel (11) is formed between the heat exchanger (3) and the header tank (6) in the secondary cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167740.2A CN108507082B (en) | 2018-02-28 | 2018-02-28 | Constant-humidity cooling evaporative cooling air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167740.2A CN108507082B (en) | 2018-02-28 | 2018-02-28 | Constant-humidity cooling evaporative cooling air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108507082A CN108507082A (en) | 2018-09-07 |
| CN108507082B true CN108507082B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810167740.2A Expired - Fee Related CN108507082B (en) | 2018-02-28 | 2018-02-28 | Constant-humidity cooling evaporative cooling air conditioner |
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| Country | Link |
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| CN (1) | CN108507082B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224394A (en) * | 2007-10-23 | 2008-07-23 | 武汉科技学院 | Polymer-fabric compound tube type microporous film and fabricating method thereof |
| CN204142065U (en) * | 2014-08-07 | 2015-02-04 | 广州市华德工业有限公司 | A kind of filler coupling disc heat exchange tube sheet filler special |
| CN106765772A (en) * | 2016-12-30 | 2017-05-31 | 扬州华奕通讯设备有限公司 | A kind of two-stage standpipe evaporation cooling is produced the device of cold wind and produces the method for cold wind |
| WO2017138889A1 (en) * | 2016-02-12 | 2017-08-17 | Singapore Technologies Dynamics Pte Ltd | Dual stage evaporative cooling system and control method thereof |
-
2018
- 2018-02-28 CN CN201810167740.2A patent/CN108507082B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224394A (en) * | 2007-10-23 | 2008-07-23 | 武汉科技学院 | Polymer-fabric compound tube type microporous film and fabricating method thereof |
| CN204142065U (en) * | 2014-08-07 | 2015-02-04 | 广州市华德工业有限公司 | A kind of filler coupling disc heat exchange tube sheet filler special |
| WO2017138889A1 (en) * | 2016-02-12 | 2017-08-17 | Singapore Technologies Dynamics Pte Ltd | Dual stage evaporative cooling system and control method thereof |
| CN106765772A (en) * | 2016-12-30 | 2017-05-31 | 扬州华奕通讯设备有限公司 | A kind of two-stage standpipe evaporation cooling is produced the device of cold wind and produces the method for cold wind |
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| Publication number | Publication date |
|---|---|
| CN108507082A (en) | 2018-09-07 |
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Effective date of registration: 20200630 Address after: Room 1703-01, block C, building 1, No. 99, Gangwu Avenue, international harbor district, Xi'an City, Shaanxi Province Applicant after: Silk Road Jiesen (Xi'an) Energy Technology Co., Ltd Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 19 Applicant before: XI'AN POLYTECHNIC University |
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