CN201740145U - Radiation air conditioning device adopting evaporative cooling and cold accumulation cold source - Google Patents

Abstract

The utility model discloses a radiant air-conditioning device using evaporative cooling and cold storage cold source, which includes an evaporative water chiller unit A, an evaporative cooling fresh air unit B, a cold storage system, and a radiation terminal. The radiation terminal includes a side wall capillary arranged in the terminal room Radiant end D, top capillary radiant end E, cold/heating coil F laid on the floor, roof cooling coil G, displacement ventilator is also installed in the room at the radiation end, and the cold storage system consists of roof cooling coil G and cold storage water tank C Composition, the above parts are connected by pipelines to form a loop. The radiant air conditioner of the utility model integrates evaporative cooling and cold storage technology, and also combines evaporative cooling with displacement ventilation and radiant air conditioner, which can not only achieve complementary advantages, but also save energy consumption.

Description

A radiation air conditioning device using evaporative cooling and cold storage cold source

technical field

The utility model belongs to the technical field of air-conditioning equipment, in particular to a radiation air-conditioning device adopting evaporative cooling and cold storage cold source.

Background technique

  At present, with the needs of energy conservation, emission reduction and building energy conservation in my country, new energy-saving technologies such as evaporative cooling air conditioners, cold storage air conditioners, radiant air conditioners, and displacement ventilation are receiving more and more attention. However, there is a lack of an air-conditioning device that can complement and integrate the advantages of the above-mentioned new building energy-saving technologies. At the same time, there is no comprehensive evaporative cooling air-conditioning device that combines the active evaporative cooling air-conditioning technology with the passive evaporative cooling air-conditioning technology. Therefore, there is an urgent need to develop a cold-storage radiant air-conditioning device based on evaporative cooling to meet the needs of building air-conditioning in dry areas such as Northwest China.

Contents of the invention

The purpose of this utility model is to provide a radiant air conditioning device using evaporative cooling and cold storage cold source, using the two energy-saving technologies of evaporative cooling and water storage to provide high-temperature cold water for the radiation terminal and the fresh air unit, so as to achieve low-carbon environmental protection and high efficiency and energy saving the goal of.

The technical scheme adopted by the utility model is a radiation air conditioning device using evaporative cooling and cold storage cold source, the system includes evaporative chiller A, evaporative cooling fresh air unit B, cold storage system and radiation terminal, the radiation terminal is included in the terminal The side wall capillary radiating end D, the top capillary radiating end E, the cooling/heating coil F laid on the floor, the roof cooling coil G installed in the room, and the air inlet of the radiating end room is also equipped with a displacement ventilator to store cold The system is composed of roof cooling coil G and cold storage water tank C, and the above parts are connected by pipelines to form a circuit.

The utility model is also characterized in that,

The evaporative cooling fresh air unit B includes an air filter, an indirect evaporative cooler, a direct evaporative cooler, an air cooler and a fan in sequence according to the air inlet direction.

The cold storage water tank C and the roof cooling coil G are connected through a pipeline G18.

The evaporative chiller A is connected to the cold storage water tank C through the pipe G1, and the cold storage water tank C is divided into three circuits, one of which is connected to the water separator through the pipe G2, and the water separator is respectively connected to the top capillary in the radiation end room through the pipes G3 and G6 The radiation end E is connected to the cold/heat coil F, and the water separator is also connected to the sidewall capillary radiation end D in the room of the radiation end through pipes G4 and G5; the second path of the cold storage tank C passes through pipes G13 and G14 in turn It is connected with the roof cooling coil G, a water pump is set on the pipeline G13, and a three-way solenoid valve a is set between the pipeline G13 and the pipeline G14; the third channel of the cold storage water tank C passes through the pipeline G18, the pipeline G15 and the roof cooling coil G in turn. The return water phase is connected, and a three-way solenoid valve b is set between the pipeline G18 and the pipeline G15.

The water coming out of the radiation end is first connected to the water collector through the pipelines G7, G8, G9, G10, and the water collector is connected to a four-way solenoid valve through the pipeline G20, which is divided into four ways, and one way can be connected to the evaporation through the pipeline G11. The air cooler of the cooling fresh air unit B is connected, one way is connected with the three-way solenoid valve a through the pipeline G17; the other way is connected with the evaporative chiller A through the pipeline G19.

The outlet water of the air cooler in the evaporative cooling fresh air unit B is connected to the evaporative chiller A through the pipe G12.

The evaporative cooling fresh air unit B is connected to the displacement ventilator through the air duct.

The radiation air conditioner of the present utility model has the following advantages:

1. Combine evaporative cooling and cold storage, make full use of the advantages of high efficiency and energy saving of the two technologies, reduce environmental pollution, and reduce the power load during peak periods of power consumption. The evaporative chiller can use the lower temperature outdoor air to produce high-temperature cold water at night, and then send it to the cold storage water tank for use at the radiation end during the day. The operating efficiency of the unit at night is higher, and the electricity cost is lower. The cost of high temperature water is also significantly reduced.

2. At night, the water coming out of the radiant end enters the roof cooling coil, and the water after heat dissipation enters the cold storage water tank to re-supply the radiant end without any external cold source, realizing "natural cooling" and reducing the running time of the evaporative chiller. Save operating costs.

3. The roof cooling coil is fed into the high-temperature cold water in the cold storage tank during the day to provide sunshade and heat insulation for the roof, reducing the heat introduced through the roof and reducing the indoor cooling load; The air dissipates heat to cool the water.

4. Combining the active evaporative cooling air-conditioning technology with the passive evaporative cooling air-conditioning technology to realize a comprehensive evaporative cooling air-conditioning device, thereby greatly reducing the energy consumption of buildings.

5. Combining evaporative cooling with displacement ventilation and radiant air conditioning can not only achieve complementary advantages, but also save energy consumption.

Description of drawings

Fig. 1 is a structural schematic diagram of the radiant air conditioner of the present invention.

In the figure, A evaporative chiller, B evaporative cooling fresh air unit, C cold storage water tank, D side wall capillary radiant end, E top capillary radiant end, F cold/heat coil, G roof cooling coil, 1 air filter, 2 indirect evaporative cooler, 3 direct evaporative cooler, 4 air cooler, 5 fan, 6 displacement ventilator, 7 water collector, 8 water separator, 9 water pump, 10 four-way solenoid valve, 11 three-way solenoid valve a , 12 three-way solenoid valve b.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The radiation air-conditioning device of the present utility model, as shown in Figure 1, comprises evaporative chiller A, evaporative cooling fresh air unit B, cold storage water tank C, side wall capillary radiation end D set in the radiation end room, top capillary radiation end E, The cooling/heating coil F laid on the floor, the roof cooling coil G, the air inlet of the room at the radiation end is also equipped with a displacement ventilator 6, the cold storage water tank C and the roof cooling coil G form a cold storage system, and the above parts A circuit is formed by connecting pipes.

The evaporative cooling fresh air unit B includes an air filter 1, an indirect evaporative cooler 2, a direct evaporative cooler 3, an air cooler 4 and a fan 5 in sequence according to the air inlet direction.

During the day, the air cooler 4 feeds the outlet water at the radiation end to cool down the air. At this time, the outdoor air passes through the air filter 1, the indirect evaporative cooler 2, the direct evaporative cooler 3, and the air cooler 4 in sequence, and then is sent into the displacement ventilator 6 in the radiant room through the air duct, and the fresh air is sent into the room . At night, due to the low temperature of the outdoor air, at this time, the air cooler 4 does not pass through the water, and the outdoor air is filtered through the air filter 1 in turn, then through the indirect evaporative cooler 2 for isohumidity cooling, and then through the direct evaporative cooler 3 Carry out isenthalpic cooling treatment, and finally send it into the room.

The cold storage water tank C and the roof cooling coil G are connected through a pipeline G18.

The evaporative chiller A is connected to the cold storage water tank C through the pipe G1, and the cold storage water tank C is divided into three circuits, one of which is connected to the water separator 8 through the pipe G2, and the water separator 8 is respectively connected to the radiation end room through the pipes G3 and G6. The top capillary radiation end E is connected to the cold/heat coil F, and the water separator 8 is also connected to the capillary radiation end D on the left side wall and the right side wall of the radiation end room through pipes G4 and G5; The second road is connected to the roof cooling coil G through the pipelines G13 and G14 in turn. The water pump 9 is set on the pipeline G13, and the three-way solenoid valve a11 is set between the pipeline G13 and the pipeline G14. The third road of the cold storage water tank C passes through the pipelines G18, The pipeline G15 is connected to the return water of the roof cooling coil G, and a three-way solenoid valve b12 is set between the pipeline G18 and the pipeline G15.

The water coming out of the radiation end is first connected to the water collector 7 through the pipelines G7, G8, G9, G10, and the water collector 7 is connected to a four-way solenoid valve 10 through the pipeline G20, which is divided into four ways, and one way can pass through the pipeline G11 is connected to the air cooler 4 of the evaporative cooling fresh air unit B, one way is connected to the three-way solenoid valve a11 through the pipeline G17; one way is connected to the evaporative chiller A through the pipeline G19.

The outlet water of the air cooler 4 in the evaporative cooling fresh air unit B is connected to the evaporative chiller A through the pipeline G12.

The evaporative cooling fresh air unit B is connected to the displacement ventilator 6 through an air duct.

The cold storage system consists of cold storage water tank C and roof cooling coil G. When the system is running at night, on the one hand, the evaporative chiller A can be turned off, and the cold water produced by the roof cooling coil G is supplied to the radiation end. The cold storage water tank C is connected to the water separator 8 through the pipe G18, and the capillary radiation end E on the top of the radiation room, the capillary radiation end D on the left wall, the capillary radiation end D on the right wall, and the floor through the pipes G3, G4, G5, and G6. Cooling/heating coil F is connected. The water coming out from the radiation end is connected to the water collector 7 through the pipelines G7, G8, G9 and G10 respectively, and the water collector 7 is connected to the four-way solenoid valve 10 through the pipeline G20, and then the four-way solenoid valve 10 is controlled to make The water enters the three-way solenoid valve a11 through the pipeline G17, and then is sent into the roof cooling coil G through the pipeline G14. The water radiated by the roof cooling coil G enters the three-way solenoid valve b12 through the pipe G15, and the three-way solenoid valve b12 is controlled so that the water flows into the cold storage water tank C through the pipe G18, and thus circulates. On the other hand, the evaporative chiller A can be turned on to use the air at a lower temperature outside at night to produce high-temperature cold water, which is connected to the cold storage water tank C through the pipeline G1, and stored in the cold storage water tank C for the daytime radiation terminal.

The working process of the radiation air conditioning device of the utility model:

During the day, the water stored in the cold storage tank C is divided into two paths, one path is connected to the water separator 8 through the pipe G2, and then enters the top capillary radiation end E of the radiation room and the capillary radiation end of the left wall through the pipes G3, G4, G5, and G6 D. The radiant end of the capillary tube on the right wall is connected with D and the floor cooling/heating coil F. The water coming out of the radiation end is connected to the water collector 7 through the pipelines G7, G8, G9 and G10 respectively, and the water collector 7 is connected to the four-way solenoid valve 10 through the pipeline G20, and then by controlling the flow direction of the four-way solenoid valve 10, The water enters the air cooler 4 in the evaporative cooling fresh air unit B through the pipe G11, and the water from the air cooler 4 enters the evaporative chiller A through the pipe G12. The other way sends water into the roof cooling coil G through the pipe G13 to shade the roof, and the water from the roof cooling coil G enters the evaporative chiller A through the pipes G15 and G16.

When the water in the cold storage tank C cannot meet the needs of the radiation terminal, the evaporative chiller A needs to be turned on, and the high-temperature cold water taken out is sent to the cold storage tank C through the pipeline G1.

In the transitional season, when the outdoor air can meet the indoor requirements without being treated by the air cooler 4, the four-way solenoid valve 10 can be adjusted so that the water coming out of the end enters the evaporative chiller directly through the pipe G19.

At the same time, the fresh air produced by the evaporative cooling fresh air unit B is sent into the indoor replacement ventilator 6 through the air duct.

The evaporative cooling of the radiant air conditioner of the utility model utilizes the low-temperature outdoor air at night to produce high-temperature cold water, stores the cold energy in the cold storage water tank, and supplies it to the radiation terminal during the day. At the same time, the roof cooling coil is used at night to dissipate the water coming out of the radiant end, and then the cooled water is re-sent to the radiant end, without any external cold source, saving operating costs.

Claims (7)

1. radiation air-conditioner device that adopts evaporative cooling and cold-storage low-temperature receiver, its characteristics are, this system comprises vaporation-type handpiece Water Chilling Units (A), the new blower fan group of evaporative cooling (B), cold accumulation system and radiation end, described radiation end is included in the sidewall capillary radiation end (D) that is provided with in the terminal room, top capillary radiation end (E), cold/hot coil (F) of laying on the floor, roof radiator coil tube (G), air inlet place in the terminal room of radiation also is provided with permutation ventilator (6), described cold accumulation system is made up of roof radiator coil tube (G) and cold-storage water tank (C), connects to form the loop by pipeline between the above each several part.

2. according to the described radiation air-conditioner device of claim 1, its characteristics are that the new blower fan group of described evaporative cooling (B) comprises air cleaner (1), indirect evaporation cooler (2), direct evaporative cooler (3), aerial cooler (4) and blower fan (5) successively by the air intake direction.

3. according to claim 1 or 2 described radiation air-conditioner devices, its characteristics are, are connected by pipeline G18 between described cold-storage water tank (C) and the roof radiator coil tube (G).

4. according to claim 1 or 2 described radiation air-conditioner devices, its characteristics are, described vaporation-type handpiece Water Chilling Units (A) is connected with cold-storage water tank (C) by pipeline G1, cold-storage water tank (C) is divided into three the tunnel, the pipeline G2 of leading up to is connected with water knockout drum (8), water knockout drum (8) is connected with cold/hot coil (F) by the top capillary radiation end (E) in the terminal room of pipeline G3, G6 and radiation respectively, and water knockout drum (8) also is connected with sidewall capillary radiation end (D) in the radiation end room by pipeline G4, G5; The second tunnel of cold-storage water tank (C) is connected with roof radiator coil tube (G) by pipeline G13, G14 successively, and pipeline G13 is provided with water pump (9), is provided with three-way magnetic valve a(11 between pipeline G13 and the pipeline G14); The Third Road of cold-storage water tank (C) is connected with the backwater of roof radiator coil tube (G) by pipeline G18, pipeline G15 successively, is provided with three-way magnetic valve b(12 between pipeline G18 and the pipeline G15).

5. according to claim 1 or 2 described radiation air-conditioner devices, its characteristics are, the water that comes out from the radiation end at first is connected with water collector (7) by pipeline G7, G8, G9, G10, water collector (7) is received a four way solenoid valve (10) by pipeline G20 and is located, be divided into four the tunnel, one the tunnel can be connected with the aerial cooler (4) of the new blower fan group of evaporative cooling (B) by pipeline G11, leads up to pipeline G17 and three-way magnetic valve a(11) be connected; The pipeline G19 of leading up to is connected with vaporation-type handpiece Water Chilling Units (A).

6. according to claim 1 or 2 described radiation air-conditioner devices, its characteristics are that the water outlet of aerial cooler (4) is connected with vaporation-type handpiece Water Chilling Units (A) by pipeline G12 in the new blower fan group of described evaporative cooling (B).

7. according to claim 1 or 2 described radiation air-conditioner devices, its characteristics are that the new blower fan group of described evaporative cooling (B) is connected with permutation ventilator (6) by airduct.

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