CN201886687U - Experiment and teaching device of solid-absorbing type refrigeration air conditioner - Google Patents
Experiment and teaching device of solid-absorbing type refrigeration air conditioner Download PDFInfo
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- CN201886687U CN201886687U CN201020620182XU CN201020620182U CN201886687U CN 201886687 U CN201886687 U CN 201886687U CN 201020620182X U CN201020620182X U CN 201020620182XU CN 201020620182 U CN201020620182 U CN 201020620182U CN 201886687 U CN201886687 U CN 201886687U
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- condenser
- adsorbent bed
- valve control
- pass valve
- electric heater
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Abstract
The utility model discloses an experiment and teaching device of a solid-absorbing type refrigeration air conditioner, belonging to the technology of solid absorption and refrigeration. The device comprises an absorbing bed A, an absorbing bed B, an electric heater A, an electric heater B, a control valve, a condenser a, a liquid accumulator, a fan coil evaporator and the like, and further comprises a cooling water loop system for cooling the absorbing bed A and the absorbing bed B, wherein the electric heater A and the electric heater B are arranged in the absorbing bed A and the absorbing bed B. The two absorbing beds are connected with the condenser by a pipeline and a valve; the condenser is connected with the liquid accumulator by the pipeline; the liquid accumulator is connected with the fan coil evaporator by a throttle valve; and the fan coil evaporator is connected with the absorbing beds. In a cooling water loop, cooling water is firstly pumped into the condenser by a flow meter from a solution pump so as to cool the condenser, then enters the absorbing beds, and cools the absorbing beds; and liquid come out of the absorbing beds enters the condenser to be condensed, and then enters the solution pump. The experiment and teaching device can help students to form a concept about absorption and refrigeration, obtain knowledge and skills, and develop capabilities of analyzing and solving problems comprehensively of the students.
Description
Technical field
The utility model belongs to the solid adsorption refrigeration technology, relates in particular to a kind of solid adsorption refrigeration air-conditioning experimental teaching unit.
Background technology
The harmonious development of population, energy and environment is human common pursuits.The protection ozonosphere is a urgent problem aspect environmental protection.Refrigeration machine extensively adopts chloro-fluoro-carbon kind cold-producing medium (be called for short CFC, HCFC), because to the remarkable dissipation effect of ozonosphere, has weakened the stopping of solar ultraviolet, directly threatens human health.Simultaneously in environmental protection, be used to every year warm oneself and carbon dioxide that a large amount of burning coal and the fuel oils that use are discharged, so and the greenhouse effect problem of CFC isothermal chamber effect gas, also can not be ignored.
Energy problem is another significant problem that human development faces.Along with the raising of people's living standard, the demand of comfort air conditioning system is improved constantly, and as the energy consumption product, will be acid test to the supply of electric power.
As a kind of Refrigeration Technique of green, the coincide general trend of the current energy, harmonious development of absorption type refrigerating.Solid adsorption refrigeration can adopt waste heat to drive, and not only can play the effect of extenuating to the anxiety supply of electric power, and can effectively utilize a large amount of low grade heat energy (waste heat, sun power etc.).In addition, absorption type refrigerating does not adopt the chloro-fluoro-carbon kind cold-producing medium, and no CFCs and HCFCs problem do not have the greenhouse effect effect yet, is a kind of environmentally friendly refrigeration modes.Since 20th century the mid-1970s, absorption type refrigerating comes into one's own, and research deepens constantly.
Compare with steam compression type refrigeration, absorption type refrigerating has advantages such as energy-conserving and environment-protective, control is simple, operating cost is low; System compares with the Liquid Absorption formula, and the thermal source warm area scope that solid adsorption refrigeration is suitable for is big, does not need water pump or rectifier unit, do not exist yet cold-producing medium pollution, salt solusion crystallization and to problems such as corrosions of metal.So with respect to absorption refrigeration, absorption type refrigerating has more wide application space.But adsorptive refrigeration technology is not also popularized, and most of people also do not understand it, and adsorptive refrigeration technology deeply develops and widespread use so limited adsorption refrigeration system also than indigestibility.
Summary of the invention
The purpose of this utility model is to provide a kind of solid adsorption refrigeration experiment device for teaching of double bed absorption, helps the student to form the notion of absorption type refrigerating.
The utility model has adopted following scheme to realize above-mentioned purpose:
Design a kind of solid adsorption refrigeration air-conditioning experimental teaching unit, by the absorption type refrigerating closed circuit, the chilled(cooling) water return (CWR), electric heater unit three parts are formed.Wherein, described absorption type refrigerating closed circuit is by adsorbent bed A, adsorbent bed B, by-pass valve control A
1, by-pass valve control B
1, by-pass valve control A
2, by-pass valve control B
2, condenser a, reservoir, safety valve, throttling valve, tensimeter, the fan coil evaporator, tensimeter A, tensimeter B forms, by-pass valve control A
1, by-pass valve control A
2Control the turnover of the refrigerant vapour of adsorbent bed A respectively, by-pass valve control B
1, by-pass valve control B
2Control the turnover of the refrigerant vapour of adsorbent bed B respectively, by-pass valve control A
1, by-pass valve control B
1Link to each other with condenser a by threeway, condenser a links to each other with reservoir, and the reservoir below is equipped with safety valve, and reservoir links to each other with throttling valve, and throttling valve links to each other with the fan coil evaporator, and the fan coil evaporator is by threeway and by-pass valve control A
2, by-pass valve control B
2Link to each other; Described chilled(cooling) water return (CWR) comprises water pump, flowmeter, solenoid valve a, solenoid valve b, condenser b, reserve tank, water pump pumps into condenser a with the liquid of condensation in the reserve tank through flowmeter, after coming out, condenser a links to each other with solenoid valve b with solenoid valve a by threeway, enter adsorbent bed A and adsorbent bed B afterwards respectively, compile by threeway after from adsorbent bed, coming out, enter condenser b then and carry out condensation, condensed liquid enters reserve tank again; Described electric heater unit comprises electric heater A and electric heater B, and electric heater A is arranged in adsorbent bed A, and electric heater B is arranged in adsorbent bed B.
The turnover of the refrigerant vapour of described adsorbent bed A is at same mouthful.
The turnover of the refrigerant vapour of described adsorbent bed B is at same mouthful.
The major advantage of this device is: be applied to student's experimental teaching, demonstration experimentizes, help the student to form the notion of absorption type refrigerating, obtain knowledge and skills, cultivate student's observation ability, self-learning ability, analysis-by-synthesis problem and problem-solving ability about absorption type refrigerating.And adopt double bed absorption, overcome the single discontinuous shortcoming of absorption refrigeration, realized the continuity of absorption refrigeration.
Description of drawings
Fig. 1 is the schematic diagram of an embodiment of solid adsorption refrigeration air-conditioning experiment device for teaching;
Among the figure: the absorption type refrigerating closed circuit is by 1-adsorbent bed A, 2-adsorbent bed B, 5-by-pass valve control A1,6-by-pass valve control B1,7-by-pass valve control A2,8-by-pass valve control B2,13-condenser a, the 14-reservoir, 15-safety valve, 16-throttling valve, the 17-tensimeter, 18-fan coil evaporator, 9-tensimeter A, 10-tensimeter B forms.Cooling water circulation loop is by the 20-water pump, the 19-flowmeter, and 11-solenoid valve A, 12-solenoid valve B, the 21-reserve tank, 22-condenser b forms.Electric heater unit is made up of 3-electric heater A and 4-electric heater B.
Embodiment
Below in conjunction with accompanying drawing a preferred embodiment of the present utility model is described in detail:
The solid adsorption refrigeration air-conditioning experiment device for teaching of the utility model patent design is mainly by the solid adsorption refrigeration closed circuit, and cooling water circulation loop and electric heater unit are formed.The solid adsorption refrigeration closed circuit is mainly by adsorbent bed A (1), adsorbent bed B2, by-pass valve control A
15, by-pass valve control B
16, by-pass valve control A
27, by-pass valve control B
28, condenser a13, reservoir 14, safety valve 15, throttling valve 16, tensimeter 17, fan coil evaporator 18, tensimeter A9, tensimeter B10 forms.Cooling water circulation loop is mainly by water pump 20, flowmeter 19, and solenoid valve A11, solenoid valve B12, reserve tank 21, condenser b22 forms.Electric heater unit mainly is made up of electric heater A3 and electric heater B4.
Adsorbent bed A1 imports and exports to same in the solid adsorption refrigeration closed circuit, and it is imported and exported and by-pass valve control A
15, by-pass valve control B
17 link to each other by-pass valve control A
1The outflow of control adsorbent bed A1 cold-producing medium working medium, the inflow of by-pass valve control B1 control adsorbent bed A1 cold-producing medium working medium.On it is imported and exported, tensimeter A9 is installed.Adsorbent bed B2 imports and exports to same, and it is imported and exported and by-pass valve control B
16 and by-pass valve control B
28 link to each other by-pass valve control B
1The outflow of cold-producing medium working medium among the 6 control adsorbent bed B2, by-pass valve control B
2The outflow of cold-producing medium working medium among the 8 control adsorbent bed B2.On it is imported and exported, tensimeter B10 is installed.By-pass valve control A
15, by-pass valve control B
16 by being connected with condenser a13 after the pipeline connection again, condenser 13 is connected with reservoir 14 by pipeline, safety valve 15 is installed on the reservoir 14, reservoir 14 links to each other with throttling valve 16 by pipeline, tensimeter 17 is installed behind the throttling valve 16 is connected with fan coil evaporator 18 then, evaporator by pipeline again with by-pass valve control A
27 by-pass valve control B
28 connect.
Chilled water enters among the condenser a13 behind flowmeter 19 by water pump 20 in the cooling water circulation loop, after chilled water comes out in condenser a13, through passing through solenoid valve A11 respectively, enter behind the solenoid valve B12 among adsorbent bed A1 and the adsorbent bed B2, in adsorbent bed, carry out condensation to entering condenser b22 again after the adsorbent bed cooling, enter reserve tank 21 after condenser b22 condensation, the water in the reserve tank 21 enters water pump 20 and proceeds circulation.Electric heater A3 cools off adsorbent bed A1 and adsorbent bed B2 respectively according to different situations with electric heater B4.
When system carries out work:
1, opens the switch heating adsorbent bed A1 of electric heater A3, open system control valve door A
15, the pressure of system can progressively raise when being heated to uniform temperature.
2, as by-pass valve control A
15 be heated to certain between after, whether can observe has desorption to go out cold-producing medium in the fluid reservoir 14, the refrigerant amount that goes out when desorption changes when small, the heating power supply switch is switched to electric heater B4 heating adsorbent bed B2, this moment, solenoid valve A11 opened, adsorbent bed A1 starts water injector, and A1 cools off to adsorbent bed, then closing control valve A
15., observe after heating a period of time Deng adsorbent bed B2, when system pressure reaches the 0.3MPa left and right sides, open by-pass valve control B from tensimeter
16, open valve A again
27, meanwhile regulate throttling valve 16 and allow system carry out the absorption refrigeration process.
3, be heated to certain hour as adsorbent bed B2, after desorption has gone out cold-producing medium, switch heating power supply to adsorbent bed A1, and closing control valve B
16, open by-pass valve control A when the pressure 9 of adsorbent bed A1 is expressed 0.3MPa by the time
15, closing control valve A
26, open by-pass valve control B
28.Continue circulation by mode so freezes like this.
Claims (3)
1. solid adsorption refrigeration air-conditioning experimental teaching unit, by the absorption type refrigerating closed circuit, the chilled(cooling) water return (CWR), electric heater unit three parts are formed, and it is characterized in that:
Described absorption type refrigerating closed circuit is by adsorbent bed A (1), adsorbent bed B (2), by-pass valve control A1 (5), by-pass valve control B1 (6), by-pass valve control A2 (7), by-pass valve control B2 (8), condenser a (13), reservoir (14), safety valve (15), throttling valve (16), tensimeter (17), fan coil evaporator (18), tensimeter A (9), tensimeter B (10) forms, wherein, by-pass valve control A1 (5), by-pass valve control A2 (7) controls the turnover of the refrigerant vapour of adsorbent bed A (1) respectively, by-pass valve control B1 (6), by-pass valve control B2 (8) controls the turnover of the refrigerant vapour of adsorbent bed B (2) respectively, by-pass valve control A1 (5), by-pass valve control B1 (6) links to each other with condenser a (13) by threeway, condenser a (13) links to each other with reservoir (14), and reservoir (14) below is equipped with safety valve (15), and reservoir (14) links to each other with throttling valve (16), throttling valve (16) links to each other with fan coil evaporator (18), and fan coil evaporator (18) is by threeway and by-pass valve control A2 (7), by-pass valve control B2 (8) links to each other;
Described chilled(cooling) water return (CWR) comprises water pump (20), flowmeter (19), solenoid valve a (11), solenoid valve b (12), condenser b (22), reserve tank (21), wherein, water pump (20) pumps into condenser a (13) with the liquid of condensation in the reserve tank (21) through flowmeter (19), after coming out, condenser a (13) links to each other with solenoid valve b (12) with solenoid valve a (11) by threeway, enter adsorbent bed A (1) and adsorbent bed B (2) afterwards respectively, compile by threeway after from adsorbent bed, coming out, enter condenser b (22) then and carry out condensation, condensed liquid enters reserve tank (21) again;
Described electric heater unit comprises electric heater A (3) and electric heater B (4), and wherein, electric heater A (3) is arranged in adsorbent bed A (1), and electric heater B (4) is arranged in adsorbent bed B (2).
2. a kind of solid adsorption refrigeration air-conditioning experimental teaching unit as claimed in claim 1 is characterized in that: the turnover of the refrigerant vapour of described adsorbent bed A (1) is at same mouthful.
3. a kind of solid adsorption refrigeration air-conditioning experimental teaching unit as claimed in claim 1 is characterized in that: the turnover of the refrigerant vapour of described adsorbent bed B (2) is at same mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020620182XU CN201886687U (en) | 2010-11-19 | 2010-11-19 | Experiment and teaching device of solid-absorbing type refrigeration air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020620182XU CN201886687U (en) | 2010-11-19 | 2010-11-19 | Experiment and teaching device of solid-absorbing type refrigeration air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN201886687U true CN201886687U (en) | 2011-06-29 |
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|---|---|---|---|
| CN201020620182XU Expired - Fee Related CN201886687U (en) | 2010-11-19 | 2010-11-19 | Experiment and teaching device of solid-absorbing type refrigeration air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604828A (en) * | 2013-11-20 | 2014-02-26 | 上海海事大学 | Adsorption type refrigerator testing system |
| CN105222449A (en) * | 2015-11-10 | 2016-01-06 | 天津商业大学 | Continuous solar drives contact type ice slurry generation systems |
-
2010
- 2010-11-19 CN CN201020620182XU patent/CN201886687U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604828A (en) * | 2013-11-20 | 2014-02-26 | 上海海事大学 | Adsorption type refrigerator testing system |
| CN103604828B (en) * | 2013-11-20 | 2017-02-08 | 上海海事大学 | Adsorption type refrigerator testing system |
| CN105222449A (en) * | 2015-11-10 | 2016-01-06 | 天津商业大学 | Continuous solar drives contact type ice slurry generation systems |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20121119 |