CN208208164U - A kind of evaporation cooling performance experimental apparatus for testing - Google Patents

A kind of evaporation cooling performance experimental apparatus for testing Download PDF

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Publication number
CN208208164U
CN208208164U CN201721261162.6U CN201721261162U CN208208164U CN 208208164 U CN208208164 U CN 208208164U CN 201721261162 U CN201721261162 U CN 201721261162U CN 208208164 U CN208208164 U CN 208208164U
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China
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air
fresh
return
wet
water
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CN201721261162.6U
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Chinese (zh)
Inventor
卢军
李妤姝
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Chongqing University
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Chongqing University
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Abstract

The utility model discloses a kind of evaporation cooling performance experimental apparatus for testing, including shell, it is provided with fresh air treatment system and return air processing system inside housings, indirect evaporating-cooling component is additionally provided in shell, the indirect evaporating-cooling component has the fresh air duct and return airway of intersection and conducting setting, the fresh air duct is connected on fresh air treatment system, and the return airway is connected in return air processing system;The side of fresh air duct is provided with fresh-air fan and forms leeward side, and the windward side of fresh air duct is provided with wet-film humidifying component;The side of return airway is provided with return air fan and forms windward side, is additionally provided with the pre- cold part of wet film in the windward side of return air fan;And dry bulb thermometer and wet-bulb thermometer are provided in the air inlet air port and outlet air air port of the air inlet air port of fresh air treatment system and outlet air air port and return air processing system.The utility model has the characteristics that can be improved the teaching efficiency of the cooling experiment of evaporation.

Description

A kind of evaporation cooling performance experimental apparatus for testing
Technical field
The utility model relates to evaporation cooling techniques;More particularly to a kind of evaporation cooling performance experimental apparatus for testing.
Background technique
Evaporation cooling technique is one using water as refrigerant, the technology freezed using the evaporation endothermic of water, in air-conditioning system It is middle to use extensively.Evaporative Cooling Air-conditioning System is poor with wet-bulb temperature using air dry-bulb temperature in natural environment, utilizes recirculated water Directly (or passing through packing layer) spray air obtains the effect to cool down, compensates for mechanical refrigeration formula air-conditioning system with fluorochlorohydrocarbon as system The deficiency of cryogen has the characteristics that green, energy conservation, efficient, environmental protection.Evaporative Cooling Air-conditioning System gives indoor offer all-fresh air, with Indoor hot humidity load is undertaken, indoor air quality can be significantly improved.And it is without the vapor after Compression Evaporation, directly mends Water-filling maintains the operation of system, without consuming work done during compression, system COP is made to be significantly higher than mechanical refrigeration formula air-conditioning system, It has been properly arrived at energy-efficient effect.There are three types of the common types of Evaporative Cooling Air Conditioning technology: direct evaporating-cooling, indirect evaporation Cooling and direct-indirect multistage influence diagram.Wherein direct evaporating-cooling process is constant-enthalpy process, Indirect Evaporative Cooling Process It is to be in contact by air with partition metal fixation surface, hot and humid area is carried out at fixation surface.
In present teaching, evaporative air conditioning system system is included in the undergraduate education content of courses already, but talks about stratagems on paper Teaching method be not enough to reach good teaching efficiency.
Therefore, how can provide one kind can facilitate experimenter clearly to know that evaporation cooling performance is each in testing Outlet air quality change situation before and after processing step, the evaporation cooling performance that can be improved the teaching efficiency of the cooling experiment of evaporation are surveyed Experimental provision is tried, becoming those skilled in the art has technical problem to be solved.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of energy Experimenter is enough facilitated clearly to know leaving air temp and humidity variation in evaporation cooling performance test before and after each processing step Situation can be improved the evaporation cooling performance experimental apparatus for testing of the teaching efficiency of the cooling experiment of evaporation.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of evaporation cooling performance experimental apparatus for testing, including shell, be provided with inside housings fresh air treatment system and Return air processing system, is additionally provided with indirect evaporating-cooling component in shell, the indirect evaporating-cooling component have intersection and The fresh air duct and return airway, the fresh air duct that setting is connected are connected on fresh air treatment system, the return airway string It is associated in return air processing system;The side of fresh air duct is provided with fresh-air fan and forms leeward side, and in fresh air duct Windward side is provided with wet-film humidifying component;The side of return airway is provided with return air fan and forms windward side, in return air wind The windward side of machine is additionally provided with the pre- cold part of wet film;It is characterized in that and in the air inlet air port of fresh air treatment system and outlet air The air inlet air port and outlet air air port of air port and return air processing system are provided with dry bulb thermometer and wet-bulb thermometer, described dry Globe thermometer and wet-bulb thermometer are for measuring air themperature and air humidity.
In the technical program, it can understand the air inlet air port for intuitively knowing fresh air treatment system and outlet air air port and return The variation of the temperature and humidity in the air inlet air port and outlet air air port of wind processing system;When fresh air treatment system isolated operation When, it can be derived that wet-film humidifying component is the contribution that air humidity and temperature are made;When return air processing system isolated operation, energy Access the contribution that the pre- cold part of wet film makes the humidity and temperature of return air.When fresh air treatment system and return air processing system are assisted When with operation, it can be derived that fresh air in the variation of humidity and temperature after return air is handled;In this way, just experimenter can be facilitated clear The outlet air quality change situation of Chu known in evaporation cooling performance test before and after each processing step.Pass through the numerical value to acquisition Comparison, enable to experimenter is clearer to recognize evaporation cooling performance test experiments, can be improved the cooling experiment of evaporation Teaching efficiency.
As optimization, the fresh air treatment system further includes the spray water chamber and filter being arranged on Fresh air handing path Component, for the spray water chamber between wet-film humidifying component and fresh air duct, the filter assemblies are located at fresh-air fan Air side.
In this way, carrying out spray process and filtration treatment to fresh air, fresh air outlet air outlet air quality can be improved.
As optimization, between spray water chamber and fresh air duct, between fresh air duct between fresh-air fan and fresh air Dry bulb thermometer and wet-bulb thermometer are provided between blower and filter assemblies.
In such manner, it is possible to obtain the influence of spray water chamber and filter assemblies to new humidity and temperature, and reading can be passed through Number intuitively judges the size influenced on New atmosphere quality.Facilitate teaching, can be improved quality of instruction.
As optimization, the filter assemblies include low efficient filter and medium effeciency filter, the medium effeciency filter setting In the air side of fresh-air fan, the low efficient filter is arranged between fresh-air fan and medium effeciency filter.
In this way, fresh air can be improved fresh air by being successively discharged after low efficient filter and medium effeciency filter filtering Quality.
As optimization, dry bulb thermometer and wet-bulb thermometer are provided between low efficient filter and medium effeciency filter.
In such manner, it is possible to intuitively obtain fresh air in the change of humidity and temperature after low efficient filter and medium effeciency filter filtering Change, facilitates teaching, can be improved quality of instruction.
As optimization, the evaporation cooling performance experimental apparatus for testing further includes water circulation system, the water circulation system Including water tank, the water outlet of water tank is connected with water supplying pipe, and water supplying pipe is divided into four branches and exists respectively with wet-film humidifying component, setting The pre- cold part of spray tube, wet film of shower water chamber interior and the spray tube phase being arranged at the outlet air air port of return air processing system Connect and supply water, and the lowest point in housing bottom surface is additionally provided with return pipe and is connected with water tank and is connected.
In this way, the water of this device can be recycled, the purpose of water conservation can be played.
As optimization, water pump is additionally provided on the main line of water supplying pipe.
In this way, enabling to the hydraulic pressure of each road of water supplying pipe to increase by water pump, water application efficiency can be improved.
As optimization, on water supplying pipe with the outlet air wind on the branch road that is connected of spray water chamber and with return air processing system The connected branch road of mouth is provided with pressure regulator valve.
In this way, what the branch for facilitating adjustment to be connected with spray water chamber was connected on the road and with the outlet air air port of return air processing system The hydraulic pressure of branch road, so that water supply and hydraulic pressure are more reasonable.
As optimization, the water circulation system further includes that connected water supply pipe is connected with water tank.
In this way, facilitating to water tank moisturizing.
As optimization, dry bulb thermometer and wet-bulb thermometer are provided between return air fan and the pre- cold part of wet film.
In such manner, it is possible to which convenient intuitively obtain the pre- cold part of wet film to the treatment effect of return air.
Detailed description of the invention
Fig. 1 is the schematic diagram in specific embodiment of the present invention.
Specific embodiment
Below with reference to example attached drawing, the utility model is described in further detail.
When specific implementation: as shown in Figure 1, a kind of evaporation cooling performance experimental apparatus for testing, including shell 1,1 in shell Portion is provided with fresh air treatment system and return air processing system, indirect evaporating-cooling component 2 is additionally provided in shell 1, between described Connecing evaporation cooling-part 2, there is the fresh air duct of intersection and conducting setting and return airway, the fresh air duct to be connected on fresh air In processing system, the return airway is connected in return air processing system;The fresh air treatment system includes being arranged in fresh air wind The wet-film humidifying component 3 of road windward side and the fresh-air fan 4 that fresh air duct leeward side is set;The return air processing system packet Include the pre- cold part 5 of wet film that return airway inlet side is set and the return air fan that pre- 5 leeward side of cold part of wet film is set 6;And in the air inlet air port of fresh air treatment system and outlet air air port and the air inlet air port and outlet air air port of return air processing system Be provided with dry bulb thermometer 7 and wet-bulb thermometer 8, the dry bulb thermometer and wet-bulb thermometer for measure air themperature and Air humidity.
In the technical program, it can understand the air inlet air port for intuitively knowing fresh air treatment system and outlet air air port and return The variation of the temperature and humidity in the air inlet air port and outlet air air port of wind processing system;When fresh air treatment system isolated operation When, it can be derived that wet-film humidifying component is the contribution that air humidity and temperature are made;When return air processing system isolated operation, energy Access the contribution that the pre- cold part of wet film makes the humidity and temperature of return air.When fresh air treatment system and return air processing system are assisted When with operation, it can be derived that fresh air in the variation of humidity and temperature after return air is handled;In this way, just experimenter can be facilitated clear The outlet air quality change situation of Chu known in evaporation cooling performance test before and after each processing step.Pass through the numerical value to acquisition Comparison, enable to experimenter is clearer to recognize evaporation cooling performance test experiments, can be improved the cooling experiment of evaporation Teaching efficiency.
In this specific embodiment, the fresh air treatment system further includes the spray water chamber being arranged on Fresh air handing path 9 and filter assemblies, between wet-film humidifying component 3 and fresh air duct, the filter assemblies are located at the spray water chamber 9 The air side of fresh-air fan 4.
In this way, carrying out spray process and filtration treatment to fresh air, fresh air outlet air quality can be improved.
In this specific embodiment, spray water chamber 9 and fresh air duct between, between fresh air duct with fresh-air fan 4 it Between and fresh-air fan 4 and filter assemblies between be provided with dry bulb thermometer and wet-bulb thermometer.
In such manner, it is possible to obtain the influence of spray water chamber and filter assemblies to new humidity and temperature, and reading can be passed through Number intuitively judges the size influenced on New atmosphere quality.Facilitate teaching, can be improved quality of instruction.
In this specific embodiment, the filter assemblies include low efficient filter 10 and medium effeciency filter 11, it is described in The air side of fresh-air fan 4 is arranged in effect filter 11, and the low efficient filter 10 is arranged in fresh-air fan 4 and medium effeciency filter Between 11.
In this way, fresh air can be improved fresh air matter by being successively discharged after low efficient filter and medium effeciency filter filtering Amount.
In this specific embodiment, be provided between low efficient filter 10 and medium effeciency filter 11 dry bulb thermometer 7 and Wet-bulb thermometer 8.
In such manner, it is possible to intuitively obtain fresh air in the change of humidity and temperature after low efficient filter and medium effeciency filter filtering Change, facilitates teaching, can be improved quality of instruction.
In this specific embodiment, the evaporation cooling performance experimental apparatus for testing further includes water circulation system, the water The circulatory system includes water tank 12, and the water outlet of water tank 12 is connected with water supplying pipe 13, water supplying pipe 13 divide for four branches respectively with it is wet The spray tube being arranged in inside spray water chamber 9, the pre- cold part 5 of wet film and return air processing system is arranged in film humidifying component 3 Spray tube at outlet air air port is connected and supplies water, and the lowest point on 1 bottom surface of shell is additionally provided with return pipe 14 and water tank 12 conductings are connected.
In this way, the water of this device can be recycled, the purpose of water conservation can be played.
In this specific embodiment, water pump 15 is additionally provided on the main line of water supplying pipe 13.
In this way, enabling to the hydraulic pressure of each road of water supplying pipe to increase by water pump, water application efficiency can be improved.
In this specific embodiment, handled on the branch road being connected with spray water chamber 9 on water supplying pipe 13 and with return air The connected branch road in the outlet air air port of system is provided with pressure regulator valve 16.
In this way, what the branch for facilitating adjustment to be connected with spray water chamber was connected on the road and with the outlet air air port of return air processing system The hydraulic pressure of branch road, so that water supply and hydraulic pressure are more reasonable.
In this specific embodiment, the water circulation system further includes that the water supply pipe 17 being connected is connected with water tank 12.In this way, Facilitate to water tank moisturizing.
In this specific embodiment, dry bulb thermometer and wet bulb are provided between return air fan 6 and the pre- cold part 5 of wet film Thermometer.In such manner, it is possible to which convenient intuitively obtain the pre- cold part of wet film to the treatment effect of return air.

Claims (3)

1. a kind of evaporation cooling performance experimental apparatus for testing, including shell (1) are internally provided with Fresh air handing system in shell (1) System and return air processing system are additionally provided with indirect evaporating-cooling component (2), the indirect evaporating-cooling component in shell (1) (2) fresh air duct and return airway, the fresh air duct with intersection and conducting setting are connected on fresh air treatment system, institute Return airway is stated to be connected in return air processing system;The side of fresh air duct is provided with fresh-air fan (4) and forms leeward side, and And the windward side of fresh air duct is provided with wet-film humidifying component (3);Return air fan (6) is provided with simultaneously in the side of return airway Windward side is formed, is additionally provided with the pre- cold part of wet film (5) in the windward side of return air fan (6);It is characterized in that, and in fresh air The air inlet air port and outlet air air port of the air inlet air port of processing system and outlet air air port and return air processing system are provided with dry bulb Thermometer (7) and wet-bulb thermometer (8), the dry bulb thermometer and wet-bulb thermometer are used to measure air themperature and air is wet Degree;
The fresh air treatment system further includes the spray water chamber (9) and filter assemblies being arranged on Fresh air handing path, described Spray water chamber (9) is located between wet-film humidifying component (3) and fresh air duct, and the filter assemblies are located at fresh-air fan (4) Air side;
Between spray water chamber (9) and fresh air duct, between fresh air duct and fresh-air fan (4) and fresh-air fan (4) and mistake Dry bulb thermometer and wet-bulb thermometer are provided between filter module;
The evaporation cooling performance experimental apparatus for testing further includes water circulation system, and the water circulation system includes water tank (12), The water outlet of water tank (12) is connected with water supplying pipe (13), water supplying pipe (13) be divided into four branches respectively with wet-film humidifying component (3), Spray tube, wet film pre- cold part (5) and the outlet air air port that is arranged in return air processing system internal in spray water chamber (9) are set The spray tube at place is connected and supplies water, and the lowest point on shell (1) bottom surface is additionally provided with return pipe (14) and water tank (12) Conducting is connected;
The filter assemblies include low efficient filter (10) and medium effeciency filter (11), and medium effeciency filter (11) setting exists The air side of fresh-air fan (4), the low efficient filter (10) are arranged between fresh-air fan (4) and medium effeciency filter (11);
Dry bulb thermometer and wet-bulb thermometer are provided between low efficient filter (10) and medium effeciency filter (11);
Water pump (15) are additionally provided on the main line of water supplying pipe (13);
The branch being connected with spray water chamber (9) on water supplying pipe (13) is connected on the road and with the outlet air air port of return air processing system Branch road be provided with pressure regulator valve (16).
2. a kind of evaporation cooling performance experimental apparatus for testing as described in claim 1, which is characterized in that the water circulation system It further include that the water supply pipe (17) being connected is connected with water tank (12).
3. a kind of evaporation cooling performance experimental apparatus for testing as described in claim 1, which is characterized in that in return air fan (6) Dry bulb thermometer and wet-bulb thermometer are provided between the pre- cold part of wet film (5).
CN201721261162.6U 2017-09-28 2017-09-28 A kind of evaporation cooling performance experimental apparatus for testing Expired - Fee Related CN208208164U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721261162.6U CN208208164U (en) 2017-09-28 2017-09-28 A kind of evaporation cooling performance experimental apparatus for testing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721261162.6U CN208208164U (en) 2017-09-28 2017-09-28 A kind of evaporation cooling performance experimental apparatus for testing

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Publication Number Publication Date
CN208208164U true CN208208164U (en) 2018-12-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109798624A (en) * 2019-01-25 2019-05-24 重庆大学 Indirect evaporation internally cooled heat-pump-type solution fresh air dehumidification device
CN109812913A (en) * 2019-01-25 2019-05-28 重庆大学 Indirect evaporation internally-cooled solution fresh air dehumidification device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109798624A (en) * 2019-01-25 2019-05-24 重庆大学 Indirect evaporation internally cooled heat-pump-type solution fresh air dehumidification device
CN109812913A (en) * 2019-01-25 2019-05-28 重庆大学 Indirect evaporation internally-cooled solution fresh air dehumidification device
CN109812913B (en) * 2019-01-25 2020-03-31 重庆大学 Indirect evaporation inner-cooling type solution fresh air dehumidifying device
CN109798624B (en) * 2019-01-25 2020-03-31 重庆大学 Indirect evaporation internal cooling heat pump type solution fresh air dehumidifying device

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Granted publication date: 20181207

Termination date: 20190928