CN202470250U - Experimental apparatus of heating and cooling dual-purpose humidity-regulating air conditioner system - Google Patents

Abstract

The utility model relates to an experimental device for a dual-purpose cooling and heating humidity-adjusting air-conditioning system. The refrigeration and heating system is a vapor compression cycle consisting of a compressor, a condenser, a four-way valve, a dry filter, a throttle valve, an evaporator and a gas-liquid Separator composition; solution circulation system includes dehumidifier, solution pump, dilute solution storage, heat source heat exchanger, dilute solution storage and liquid supply adjustment box, used in refrigeration system: dehumidifier and humidifier pass through solution pump in turn , the evaporator, the dilute solution storage are connected to the heat source heat exchanger; and are fed back to the dehumidifier and humidifier through the regeneration tower, the concentrated solution storage and the liquid supply adjustment tank; used in the heating system: the dehumidifier and the humidifier pass through in turn The dilute solution storage, the heat source heat exchanger, the solution buffer tank, the dilute solution storage and the liquid supply adjustment tank are feedback-connected to the dehumidifier and humidifier. The utility model realizes a dual-purpose humidity-regulating air-conditioning system for refrigeration and heating, has extensive utilization of low-grade energy, realizes energy storage through solution, and has strong practicability.

Description

Experimental device for cold and hot dual-purpose humidity-adjusting air-conditioning system

technical field

The utility model relates to an experimental device for an air-conditioning system, in particular to an experimental device for an air-conditioning system used to adjust the humidity and temperature of an air-conditioned room. the

Background technique

With the development of the economy, the society's demand for air conditioners is increasing. The energy consumption of air conditioners in summer is huge, and many areas have to cut off the power during the peak power consumption period in summer. my country is in a period of sustained and rapid development, and the energy consumption of air conditioners is bound to increase gradually with economic development, which has become one of the obstacles restricting economic development, and the timely development of new energy has become an important solution. Solar energy, industrial waste heat and waste heat and other high-grade green and environmentally friendly energy sources are favored by researchers. Solar heat and industrial waste and waste heat are not constant and are constantly changing with the seasons and time of day. Conventional air conditioning systems consume a lot of energy and have poor system unity. Therefore, this system uses an electric heating device, which can fully compensate for the lack of heat, is convenient to control, and the device structure is simple and easy to operate. the

Contents of the invention

The utility model aims to solve the technical problems of high energy consumption and system unity of the conventional air-conditioning system, and provides an experimental device for a cold-heating dual-purpose humidity-adjusting air-conditioning system. the

In order to achieve the above object, the technical scheme of the utility model is: an experimental device for a dual-purpose air conditioning system for cooling and heating, including a refrigeration and heating system and a solution circulation system; the refrigeration and heating system is a vapor compression cycle, which is composed of Machine, condenser, four-way valve, dry filter, throttle valve, evaporator and gas-liquid separator; its characteristics are: solution circulation system includes dehumidifier, solution pump, dilute solution storage, heat source heat exchanger , dilute solution storage and liquid supply adjustment tank, used in the refrigeration system: the dehumidifier and humidifier are connected to the heat source heat exchanger through the solution pump, evaporator, and dilute solution storage in sequence; and through the regeneration tower, concentrated solution storage and Feedback connection of liquid supply adjustment tank to dehumidifier; used in heating system: dehumidifier and dehumidifier pass through dilute solution storage, heat source heat exchanger, solution buffer tank, dilute solution storage and supply liquid adjustment tank feedback connection to the dehumidifier and humidifier. the

The lower end of the dehumidifier is provided with a return air outlet and a fresh air outlet. After the return air outlet and the fresh air outlet are connected, they are connected to the air-conditioning terminal air-conditioning box and fan coil unit through the dehumidifier. the

The heat source heat exchanger is composed of solar heat collector, industrial waste heat and waste heat collection and electric heater, and the heat source heat exchanger is connected in parallel between solar heat collector, industrial waste heat and waste heat collection and electric heater. the

The beneficial effects of the utility model are: the utility model adopts the solution circulation system and the heat source heat exchanger to realize the humidity adjustment for cooling and heating, which is energy-saving and environmentally friendly, and has extensive utilization of low-grade energy. Solution energy storage, strong practicability. the

Description of drawings

Fig. 1 is a schematic diagram of the refrigeration system of the present utility model;

Fig. 2 is a schematic diagram of the heating system of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further. the

As shown in Figures 1 and 2, the experimental device of the cold and hot dual-purpose humidity-adjusting air-conditioning system of the present invention includes a refrigeration and heating system and a solution circulation system. the

The solution circulation system includes a dehumidifier 10, a solution pump 13, a dilute solution storage 14, a heat source heat exchanger, a dilute solution storage 20 and a liquid supply adjustment tank 22, which are used in a refrigeration system: the dehumidifier 10 passes through in turn Solution pump 13, evaporator 6, dilute solution storage 14 are connected with heat source heat exchanger; And through regeneration tower 19, concentrated solution storage 20 and liquid supply regulating tank 22 feed back are connected to dehumidifier 10; For heating In the system: the dehumidifier 10 is connected to the dehumidifier 10 through the dilute solution storage 14 , the heat source heat exchanger, the solution buffer tank 28 , the dilute solution storage 20 and the liquid supply adjustment tank 22 in turn. the

The lower end of the dehumidifier 10 is provided with a return air outlet 12 and a fresh air outlet 11, and the return air outlet 12 and the fresh air outlet 11 are connected to the air conditioning terminal air conditioning box 8 and the fan coil unit 9 through the dehumidifier 10. the

As shown in Figure 1, the refrigeration cycle includes a compressor 1, a four-way valve 2, a condenser 3, a dry filter 4, a throttle valve 5, an evaporator 6, a gas-liquid separator 7, an air conditioning box 8, and a fan coil unit 9 , except and humidifier 10, fresh air outlet 11, return air outlet 12, solution pump 13, dilute solution storage 14, detection point I 15, connected in parallel by solar heat collector 16, industrial waste heat and waste heat collector 17 and electric heater 18 Composed of heat source heat exchanger, regeneration tower 19, concentrated solution storage 20, detection point II 21, liquid supply adjustment box 22, solution cooler 23, underground low-temperature water source 24, domestic water 25, air-conditioned room 26, and heat exchange equipment at the end 27. the

Dehumidification and cooling process; the return air outlet 12 and the fresh air outlet 11 mix the return air and fresh air, then pass through the dehumidifier 10 to dehumidify, and then send it to the air-conditioning terminal heat exchange equipment (air conditioning box 8, fan coil unit 9) to cool and send it to the room 26, The water absorption concentration of the dehumidified solution becomes thinner, and it is sent to the heat source heat exchanger for heating through the solution pump 13, and then passes through the regeneration tower 19 to form a concentrated solution, and then dehumidifies in circulation.

Refrigeration cycle working route: compressor 1--four-way valve 2--condenser 3--dry filter 4--throttle valve 5--dry filter 4--evaporator 6--gas-liquid separator 7- - Compressor 1. 

Dehumidification cycle working route: dehumidification and humidifier 10-solution pump 13--condenser 3--dilute solution storage 14--solar collector 16, industrial waste heat and waste heat collector 17 and electric heater 18--regeneration tower 19—concentrated solution storage 20—liquid supply adjustment tank 22—dehumidifier 10. When the solar heat collector 16, industrial waste heat and waste heat collector 17 supply insufficient heat to the dehumidification liquid, the opening of the electric heater 18 is controlled by a temperature controller. Detection points Ⅰ, Ⅱ15, 21 can detect the concentration of dehumidification liquid, and adjust the concentration of supply liquid through bypass.

The heating cycle is shown in Figure 2, including compressor 1, four-way valve 2, condenser 3, dry filter 4, throttle valve 5, evaporator 6, gas-liquid separator 7, air conditioning box 8, fan coil unit 9. Dehumidifier 10, fresh air outlet 11, return air outlet 12, solution pump 13, dilute solution storage 14, detection point I15, composed of solar collector 16, industrial waste heat and waste heat collector 17 and electric heater 18 connected in parallel Heat source heat exchanger, concentrated solution storage 20, detection point II 21, liquid supply adjustment box 22, solution cooler 23, underground low-temperature water source 24, domestic water 25, air-conditioned room 26, entering terminal heat exchange equipment 27, solution buffer tank 28, replenishment valve 29. the

Applied in winter, including humidification and heating process; the return air outlet 12 and the fresh air outlet 11 mix the return air and fresh air, heat up and humidify through the dehumidifier 10, and then send it to the heat exchange equipment at the end of the air conditioner (air conditioning box 8, fan coil unit 9 ) is heated and sent to the room 26, and the dehydration concentration of the humidified solution becomes thicker, and is sent to the heat source heat exchanger through the solution pump 13 for heating, and then the humidification is carried out in circulation. the

Heating cycle working route: compressor 1--four-way valve 2--condenser 3--dry filter 4--throttle valve 5--dry filter 4--evaporator 6--gas-liquid separator 7 --Compressor 1. the

Humidification cycle working route: dehumidifier 10--solution pump 13--dilute solution storage 20--solar collector 16, industrial waste heat and waste heat collector 17 and electric heater 18-solution buffer tank 28--concentrated Solution reservoir 14—liquid supply regulating tank 22—dehumidifier and humidifier 10. During the day, the heat supplied by the solar heat collector 16, industrial waste heat and waste heat 17 is close to 80°C, which can directly heat and supply air, and the heat pump cycle stops working; at night, the low-grade energy supply heat is insufficient, and the heat pump cycle starts to work. the

Claims (3)

1. a cold, hot two-purpose is regulated the experimental provision of humidity conditioner system, comprises refrigeration and heating and solution recycle system; Refrigeration and heating are steam compression cycle, are made up of compressor (1), condenser (3), cross valve (2), device for drying and filtering (4), choke valve (5), evaporimeter (6) and gas-liquid separator (7); It is characterized in that: said solution recycle system comprises and removing and humidifier (10); Solution pump (13), weak solution holder (14), thermal source heat exchanger; Weak solution holder (20) and feed flow regulating box (22); Be used for refrigeration system: remove with humidifier (10) and pass through solution pump (13) successively, evaporimeter (6), weak solution holder (14) is connected with the thermal source heat exchanger; And through regenerator (19), concentrated solution holder (20) and feed flow regulating box (22) feedback are connected to be removed and humidifier (10); Be used for heating: remove with humidifier (10) successively through weak solution holder (14), thermal source heat exchanger, solution for buffering case (28), weak solution holder (20) and feed flow regulating box (22) feed back be connected to except that and humidifier (10).

2. cold, hot two-purpose according to claim 1 is regulated the experimental provision of humidity conditioner system; It is characterized in that: said removing with humidifier (10) lower end is provided with return air inlet (12) and fresh wind port (11), return air inlet (12) and fresh wind port (11) connection afterwards through except that and humidifier (10) be connected to air conditioning terminal air-conditioning box (8) and fan coil (9).

3. cold, hot two-purpose according to claim 1 is regulated the experimental provision of humidity conditioner system; It is characterized in that: said thermal source heat exchanger is by solar thermal collector (16); Industrial exhaust heat and used heat collect (17) and electric heater (18) is formed; And the thermal source heat exchanger is by solar thermal collector (16), and industrial exhaust heat and used heat are collected between (17) and the electric heater (18) and is connected in parallel.

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