CN209763341U - Solar jet type refrigeration air-conditioning system - Google Patents
Solar jet type refrigeration air-conditioning system Download PDFInfo
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- CN209763341U CN209763341U CN201920174524.0U CN201920174524U CN209763341U CN 209763341 U CN209763341 U CN 209763341U CN 201920174524 U CN201920174524 U CN 201920174524U CN 209763341 U CN209763341 U CN 209763341U
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Abstract
the utility model aims at providing a solar energy injection type refrigeration air-conditioning system, through the mode that the combined air-conditioning unit connects injection type refrigeration cycle unit and solar energy conversion cycle unit in proper order, can fully utilize the dry air energy, the injection type refrigeration system can utilize the solar drive of low grade simultaneously, when saving the power consumption, the refrigeration stability is promoted; the structure is simple, the manufacturing cost is low, the operation is stable, and compared with the traditional mechanical refrigeration system, the energy consumption of equipment is reduced, and the operation and maintenance cost is saved; compare current single solar energy injection formula refrigerating system, the refrigeration coefficient of performance obtains promoting, compares current single evaporation cooling air conditioning system, and refrigeration stability obtains promoting.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, concretely relates to solar energy sprays formula refrigeration air conditioning system.
Background
With the development of economic construction, various smelting plants and chemical plants are built in large quantities, and the air conditioning equipment and systems adopted in the places have the problem of high energy consumption. When the traditional mechanical refrigeration mode is adopted for cooling in the places, high-grade electric energy is utilized, the electric energy consumption is large, the equipment operation noise is large, and the maintenance cost is high. Under the call of the national policy of energy conservation and emission reduction, a refrigeration air-conditioning system with low energy consumption, low noise, safety and reliability is needed to meet the temperature and humidity requirements of people on working and living environments.
Solar jet refrigeration has become a focus of attention of many researchers due to low operating costs and small geographical restrictions. The energy of the sun irradiating the earth every second is equivalent to 500 ten thousand tons of standard coal and is equivalent to hundreds of thousands of times of the worldwide annual generated energy, and if the energy reaching the earth can be effectively utilized, the energy problem of the earth can be relieved to a great extent. The jet type refrigerating system is simple, stable in operation and high in reliability, and can be driven by low-grade energy sources such as solar energy and waste heat. The evaporative cooling air conditioning technology takes water as a cooling medium, carries out cooling and heat dissipation by absorbing heat through moisture evaporation, and prepares cold air or cold water by utilizing dry air energy through direct or indirect contact of air and water. The evaporative cooling air conditioning technology is an energy-saving and environment-friendly refrigeration air conditioning mode. However, due to the influence of outdoor weather conditions (influence of dry-wet bulb temperature difference), a single evaporative cooling air conditioning technology cannot process air to a state required by an air conditioner under certain weather conditions, the refrigeration performance is unstable, and compared with a refrigeration cycle (such as an absorption refrigeration cycle) driven by other low-grade heat sources, a single injection refrigeration cycle has a low refrigeration performance coefficient and is limited by conditions such as an injector pressure increasing ratio, and the injection coefficient of an injector is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solar energy injection formula refrigeration air conditioning system utilizes the solar energy of low-grade as the drive, supplements the energy supply source of injection formula refrigeration air conditioner, reduces the whole energy consumption of injection formula refrigeration air conditioner.
The technical scheme adopted by the utility model is that the solar jet type refrigeration air-conditioning system comprises a combined air-conditioning unit, a jet type refrigeration cycle unit and a solar energy conversion cycle unit which are connected in sequence;
The combined air conditioning unit is characterized in that the two opposite sides of the combined air conditioning unit are respectively provided with an air return inlet and an air supply outlet, a coarse filter, an indirect evaporative cooler, a surface cooler, a direct evaporative cooler, a water baffle and a blower are sequentially arranged between the air return inlet and the air supply outlet according to the air flowing direction, and a fresh air inlet is arranged on the upper wall of the unit between the air return inlet and the coarse filter;
The indirect evaporative cooler is sequentially provided with a blower, a water distributor, a horizontal tube type indirect evaporative cooler and a water tank from top to bottom.
The utility model discloses a characteristics still lie in:
The heat exchanger of the direct evaporative cooler is a filler.
The jet type refrigeration cycle unit comprises an evaporator connected with the surface cooler, the evaporator is sequentially connected with an ejector, a condenser and a throttle valve through pipelines to form a closed loop, and the ejector is sequentially connected with the condenser, a circulating pump b and a generator to form the closed loop.
The solar energy conversion circulating unit and the jet type refrigeration circulating unit share the generator, and the solar energy conversion circulating unit consists of the generator, the solar heat collector and the circulating pump a which are sequentially connected and form a loop.
The utility model provides an air conditioning system, other air conditioning system relatively, not only can utilize low-grade heat energy such as solar energy high-efficiently, can carry out certain cold volume output to dry air ability make full use of moreover. The main idea of the system is that firstly, an evaporative cooling system is preferentially selected to supply cold for a building according to meteorological conditions, and when the evaporative cooling system cannot meet the cold supply requirement of an air conditioner, the solar jet refrigeration system is started. The concrete effects are as follows:
1. The utility model discloses an air conditioning system, evaporative cooling air conditioning technology and injection formula refrigeration cycle unit all use water as the refrigerant to use solar drive injection formula refrigeration cycle unit, environmental protection and energy saving has promoted the COP of injection formula refrigeration cycle unit simultaneously.
2. The utility model discloses an air conditioning system, the condenser of injection formula refrigeration cycle unit adopts the evaporation condensation cooling mode, reduces the working costs, saves the initial cost, saves space.
3. the utility model discloses an air conditioning system, combined air conditioning unit have indirect evaporative cooler, direct evaporative cooler, surface cooler multiple function ware, and the operational mode is diversified, and is energy-conserving reliable, and the refrigeration stability improves.
4. the utility model discloses an air conditioning system, combined air conditioning unit's surface cooler lets in the low temperature refrigerated water of preparing in the injection formula refrigeration cycle unit evaporimeter, can satisfy the demand of cooling dehumidification.
Drawings
Fig. 1 is a schematic structural diagram of a solar jet refrigeration and air conditioning system of the present invention.
In the figure, 1, a combined air conditioning unit, 2, an air return inlet, 3, a fresh air inlet, 4, a coarse filter, 5, an indirect evaporative cooler, 6, a horizontal pipe indirect evaporative cooler, 7, a surface cooler, 8, a direct evaporative cooler, 9, a water baffle, 10, a blower, 11, an air supply outlet, 12, a solar energy conversion cycle unit, 13, a solar heat collector, 14, a generator, 15, a circulating pump a, 16, an injection type refrigeration cycle unit, 17, an injector, 18, a condenser, 19, a circulating pump b, 20, a throttle valve and 21, an evaporator are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a solar energy sprays formula refrigeration air conditioning system, as shown in fig. 1, including the combined air conditioning unit 1, the formula refrigeration cycle unit 16 and the solar energy conversion cycle unit 12 that connect gradually.
The combined air conditioning unit 1 is provided with a return air inlet 2 and an air supply outlet 11 on two opposite sides respectively, a coarse filter 4, an indirect evaporative cooler 5, a surface cooler 7, a direct evaporative cooler 8, a water baffle 9 and a blower 10 are sequentially arranged between the return air inlet 2 and the air supply outlet 11 according to the air flowing direction, and a fresh air inlet 3 is arranged on the upper wall of the unit between the return air inlet 2 and the coarse filter 4.
The indirect evaporative cooler 5 is composed of a blower, a water distributor, a horizontal tube type indirect evaporative cooler 6 and a water tank from top to bottom in sequence.
the heat exchanger of the direct evaporative cooler 8 is packed.
The jet type refrigeration cycle unit 16 comprises an evaporator 21 connected with the surface cooler 7, the evaporator 21 is sequentially connected with an ejector 17, a condenser 18 and a throttle valve 20 through pipelines to form a closed loop, and the ejector 17 is sequentially connected with the condenser 18, a circulating pump b19 and a generator 14 to form the closed loop.
The solar energy conversion cycle unit 12 and the ejector type refrigeration cycle unit 16 share the generator 14, and the solar energy conversion cycle unit 12 is composed of the generator 14, the solar heat collector 13, and the circulation pump a15 which are connected in sequence and form a loop.
In the operation process of the air conditioning system, firstly, the evaporative cooling system is preferentially selected to supply cold for the building according to meteorological conditions, and when the evaporative cooling system can not meet the cold supply requirement of the air conditioner, the solar jet refrigeration system is restarted; the dry air energy can be fully utilized, and meanwhile, the jet type refrigerating system can be driven by low-grade solar energy, so that the power consumption is saved; the refrigeration stability is improved; simple structure, low cost, stable operation and more beneficial to practical popularization and application. Compared with the traditional mechanical refrigeration system, the energy consumption of equipment is reduced, and the operation and maintenance cost is saved; compare current single solar energy injection formula refrigerating system, the refrigeration coefficient of performance obtains promoting, compares current single evaporation cooling air conditioning system, and refrigeration stability obtains promoting. It is foreseeable that a solar energy injection formula refrigeration air conditioning system has wide prospect.
The utility model discloses an air conditioning system theory of operation does:
The solar jet refrigeration cycle consists of two cycles: one is a solar energy conversion cycle unit 12 and the other is an ejector refrigeration cycle unit 16. In the solar energy conversion cycle unit 12, the solar heat collector 13 converts solar energy into heat energy, and the refrigerant liquid in the heat energy conversion cycle unit is vaporized by heat absorption of the heat transfer fluid flowing through the generator 14; in the jet refrigeration cycle unit 16, refrigerant liquid absorbs heat and is vaporized to generate saturated steam, the saturated steam flows through the ejector 17 and generates low pressure near a nozzle, so that the refrigerant steam in the evaporator 21 is sucked into the ejector 17 to be mixed and is boosted through the zooming and diffusing section, mixed gas from the ejector 17 enters the condenser 18 for condensation, the condenser 18 adopts an evaporation and condensation cooling mode, the refrigerant liquid from the condenser 18 is divided into two paths, one path is depressurized through the throttle valve 20 and then returns to the evaporator 21, and the other path is boosted through the circulating pump 19 and then enters the generator 14.
The combined air conditioning unit 1 comprises an indirect evaporative cooler 5, a surface cooler 7 and a direct evaporative cooler 8, wherein low-temperature chilled water cooled in an evaporator 21 of a jet refrigeration cycle unit 16 is used as refrigerant water and is introduced into the surface cooler 7; the combined air conditioning unit 1 selectively operates the refrigeration modes of the indirect evaporative cooler 5, the direct evaporative cooler 8, the surface air cooler 7 and the like according to outdoor meteorological conditions.
(1) Primary air flow:
Outdoor fresh air enters the combined air conditioning unit 1 from the fresh air inlet 3 and indoor return air enters the combined air conditioning unit from the return air inlet 2 to be mixed, and then the mixed air passes through the coarse filter 4, the indirect evaporative cooler 5, the surface air cooler 7, the direct evaporative cooler 8 and the water baffle 9 in sequence and is sent to the indoor space from the air supply outlet 11 through the air feeder 10.
(2) A refrigerant water flow:
The refrigerant water is cooled in the evaporator 21, introduced into the surface air cooler 7 of the combined air conditioning unit 1, absorbs heat of the primary air, and then returned to the evaporator 21 of the ejector refrigeration cycle unit 16 to be continuously cooled.
in the operation process of the air conditioning system, the evaporative cooling air conditioning technology and the jet type refrigeration cycle unit both use water as a refrigerant, and the solar energy is used for driving the jet type refrigeration cycle unit, so that the environment is protected and the energy is saved; the condenser of the jet type refrigeration cycle unit adopts an evaporation condensation cooling mode, so that the operation cost is reduced, the initial investment is saved, and the space is saved; the combined air conditioning unit is provided with an indirect evaporative cooler, a direct evaporative cooler and a surface cooler, has various functions, diversified operation modes, energy conservation and reliability, and improved refrigeration stability; the surface cooler of the combined air conditioning unit is filled with low-temperature chilled water prepared in the evaporator of the jet refrigeration cycle unit, and the cooling and dehumidifying requirements can be met.
The air conditioning system of the utility model can fully utilize the dry air energy, and the jet refrigeration system can utilize the low-grade solar energy for driving, thereby saving the power consumption; the refrigeration stability is improved; simple structure, low cost, stable operation and more beneficial to practical popularization and application. Compared with the traditional mechanical refrigeration system, the energy consumption of equipment is reduced, and the operation and maintenance cost is saved; compare current single solar energy injection formula refrigerating system, the refrigeration coefficient of performance obtains promoting, compares current single evaporation cooling air conditioning system, and refrigeration stability obtains promoting.
Claims (4)
1. A solar jet type refrigeration air-conditioning system is characterized by comprising a combined air-conditioning unit (1), a jet type refrigeration cycle unit (16) and a solar energy conversion cycle unit (12) which are sequentially connected;
The combined air conditioning unit comprises a combined air conditioning unit (1), wherein two opposite sides of the combined air conditioning unit (1) are respectively provided with an air return inlet (2) and an air supply outlet (11), a coarse filter (4), an indirect evaporative cooler (5), a surface air cooler (7), a direct evaporative cooler (8), a water baffle (9) and an air feeder (10) are sequentially arranged between the air return inlet (2) and the air supply outlet (11) according to the air flowing direction, and a fresh air inlet (3) is arranged on the upper wall of the unit between the air return inlet (2) and the coarse filter (4);
The indirect evaporative cooler (5) is sequentially provided with a blower, a water distributor, a horizontal tube type indirect evaporative cooler (6) and a water tank from top to bottom.
2. a solar injection refrigeration air conditioning system according to claim 1, characterized in that the heat exchanger of the direct evaporative cooler (8) is packed.
3. The solar jet refrigeration and air conditioning system as claimed in claim 1, wherein the jet refrigeration cycle unit (16) comprises an evaporator (21) connected with the surface air cooler (7), the evaporator (21) is sequentially connected with an ejector (17), a condenser (18) and a throttle valve (20) through pipelines to form a closed loop, and the ejector (17) is sequentially connected with the condenser (18), a circulating pump b (19) and a generator (14) to form the closed loop.
4. A solar jet refrigeration and air conditioning system according to claim 1, characterized in that the solar energy conversion cycle unit (12) and the jet refrigeration cycle unit (16) share a generator (14), and the solar energy conversion cycle unit (12) is composed of the generator (14), the solar heat collector (13) and the circulation pump a (15) which are connected in sequence and form a loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174524.0U CN209763341U (en) | 2019-01-31 | 2019-01-31 | Solar jet type refrigeration air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174524.0U CN209763341U (en) | 2019-01-31 | 2019-01-31 | Solar jet type refrigeration air-conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN209763341U true CN209763341U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920174524.0U Expired - Fee Related CN209763341U (en) | 2019-01-31 | 2019-01-31 | Solar jet type refrigeration air-conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827271A (en) * | 2019-01-31 | 2019-05-31 | 西安工程大学 | It is a kind of to evaporate the compound air-conditioning system of cooling solar ejector refrigeration |
-
2019
- 2019-01-31 CN CN201920174524.0U patent/CN209763341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827271A (en) * | 2019-01-31 | 2019-05-31 | 西安工程大学 | It is a kind of to evaporate the compound air-conditioning system of cooling solar ejector refrigeration |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |