CN-224201908-U - Air-cooled natural cooling water chiller

CN224201908UCN 224201908 UCN224201908 UCN 224201908UCN-224201908-U

Abstract

The utility model discloses an air-cooled natural cooling water chiller which is provided with a refrigerant circulation loop and a water circulation loop, wherein the refrigerant circulation loop is formed by connecting an outlet of a compressor with an inlet of a condenser, an outlet of the condenser is connected with an inlet of a throttle valve, an outlet of the throttle valve is connected with a coolant channel inlet of an evaporator, the outlet of the coolant channel of the evaporator is connected with an inlet of a compressor, the water circulation loop is formed by connecting an outlet of a water tank with an inlet of a water pump, the outlet of the water pump is divided into two paths by a three-way pipe, one path is connected with the water channel inlet of the evaporator, the water channel outlet of the evaporator is a system water outlet, the other path is connected with an inlet of a three-way electric ball valve, a first outlet of the three-way electric ball valve is connected with a first water return port of a water tank, a second outlet of the three-way electric ball valve is connected with an inlet of a surface cooler, and an outlet of the surface cooler is connected with a second water return port of the water tank. The design can meet the cooling requirements under different environmental conditions and can also achieve the aims of energy conservation and consumption reduction.

Inventors

SHI GUODONG
YE WEIXIN
LU XIAOXING

Assignees

广东携成智能装备有限公司

Dates

Publication Date: 20260505
Application Date: 20250520

Claims (8)

1. The air-cooled natural cooling water chiller is characterized by comprising a compressor, a condenser, a throttle valve, an evaporator, a water tank, a water pump, a three-way electric ball valve and a surface cooler; The outlet of the compressor is connected with the inlet of the condenser, the outlet of the condenser is connected with the inlet of the throttle valve, the outlet of the throttle valve is connected with the inlet of the coolant channel of the evaporator, and the outlet of the coolant channel of the evaporator is connected with the inlet of the compressor, thereby forming a closed coolant circulation loop; The outlet of the water tank is connected with the inlet of the water pump, the outlet of the water pump is divided into two paths by a three-way pipe, one path is connected with the water channel inlet of the evaporator, the water channel outlet of the evaporator is a system water outlet, the other path is connected with the inlet of the three-way electric ball valve, the first outlet of the three-way electric ball valve is connected with the first water return port of the water tank, the second outlet of the three-way electric ball valve is connected with the inlet of the surface cooler, the outlet of the surface cooler is connected with the second water return port of the water tank, and the inlet of the water tank is a system water inlet.
2. The air-cooled natural cooling chiller according to claim 1 wherein said surface air cooler and said condenser are each configured with a fan.
3. The air-cooled natural cooling chiller according to claim 2 comprising a housing having an upper mounting layer and a lower mounting layer, wherein said compressor, said throttle valve, said evaporator, said water tank, said water pump and said three-way electric ball valve are all mounted in said lower mounting layer, and wherein said condenser, said surface cooler and said fan are all mounted in said upper mounting layer.
4. The air-cooled natural cooling chiller according to claim 3 wherein the surface cooler and the condenser are symmetrically arranged and are obliquely arranged on two opposite side surfaces of the upper mounting layer, an air cavity is formed between the surface cooler and the condenser, a plurality of fans are uniformly distributed on the top of the air cavity, the negative pressure side of each fan is communicated with the outside, and the positive pressure side of each fan is communicated with the air cavity.
5. The air-cooled natural cooling chiller according to claim 4 wherein said surface cooler comprises a plurality of rows of copper tubes, aluminum fins being wrapped around said copper tubes, and wherein the flow medium in said copper tubes is water from said water tank.
6. The air-cooled natural cooling chiller according to claim 4 wherein said condenser is an air-cooled condenser comprising a plurality of rows of copper tubes, said copper tubes being externally wrapped with aluminum fins, and wherein the flow medium in said copper tubes is refrigerant from said compressor.
7. The air-cooled natural cooling chiller according to claim 4 wherein the evaporator is a shell and tube evaporator comprising a shell and a plurality of rows of copper tubes, the copper tubes being disposed within the shell, the flow medium within the copper tubes being refrigerant from the compressor, the flow medium outside the copper tubes being water from the water tank.
8. The air-cooled natural cooling chiller according to claim 1 wherein a filter is provided in the connecting conduit between the condenser and the throttle valve.

Description

Air-cooled natural cooling water chiller Technical Field The utility model belongs to the technical field of refrigeration equipment, and particularly relates to an air-cooled natural cooling water chiller which is particularly suitable for industrial and commercial cooling systems and is used for efficiently cooling water or other mediums. Background Among existing refrigeration systems, chillers are widely used in industrial and commercial applications for cooling various equipment and processes. The traditional water chiller mainly relies on mechanical refrigeration cycle to realize refrigeration through a compressor, a condenser, a throttle valve and an evaporator. However, such systems still require operation of the compressor at low ambient temperatures, resulting in high energy consumption. To improve energy efficiency and reduce operating costs, researchers have begun to explore natural cooling techniques that utilize the low temperature of ambient air to assist or replace mechanical refrigeration. The utility model aims to provide a water chiller combining air cooling natural cooling and mechanical refrigeration so as to realize an efficient and energy-saving cooling effect. Disclosure of utility model The utility model aims to solve the problem of providing the air-cooled natural cooling water chiller, which not only can meet the cooling requirements under different environmental conditions, but also can realize the aims of energy conservation and consumption reduction. The utility model provides an air-cooled natural cooling water chiller, which comprises a compressor, a condenser, a throttle valve, an evaporator, a water tank, a water pump, a three-way electric ball valve and a surface cooler, wherein the outlet of the compressor is connected with the inlet of the condenser, the outlet of the condenser is connected with the inlet of the throttle valve, the outlet of the throttle valve is connected with the inlet of a coolant channel of the evaporator, the outlet of the coolant channel of the evaporator is connected with the inlet of the compressor, so as to form a closed coolant circulation loop, the outlet of the water tank is connected with the inlet of the water pump, the outlet of the water pump is divided into two paths by a three-way pipe, one path is connected with the inlet of the water channel of the evaporator, the outlet of the water channel of the evaporator is a system water outlet, the other path is connected with the inlet of the three-way electric ball valve, the first outlet of the three-way electric ball valve is connected with the inlet of the surface cooler, the outlet of the surface cooler is connected with the inlet of the water tank, and the outlet of the surface cooler is connected with the inlet of the water tank. As a preferable mode of the present utility model, the surface cooler and the condenser are both provided with fans. As a preferable scheme of the utility model, the air-cooled natural cooling water chiller comprises a rack, wherein the rack is provided with an upper installation layer and a lower installation layer, the compressor, the throttle valve, the evaporator, the water tank, the water pump and the three-way electric ball valve are all installed in the lower installation layer, and the condenser, the surface cooler and the fan are all installed in the upper installation layer. As a preferable scheme of the utility model, the surface cooler and the condenser are symmetrically arranged and are obliquely arranged on two opposite side surfaces of the upper mounting layer, an air cavity is formed between the surface cooler and the condenser, a plurality of fans are uniformly distributed at the top of the air cavity, the negative pressure side of each fan is communicated with the outside, and the positive pressure side of each fan is communicated with the air cavity. As a preferable scheme of the utility model, the surface cooler is composed of a plurality of rows of copper tubes, aluminum fins are wound outside the copper tubes, and the flowing medium in the copper tubes is water from the water tank. As a preferable scheme of the utility model, the condenser is an air-cooled condenser, and consists of a plurality of rows of copper pipes, aluminum fins are wound outside the copper pipes, and a flowing medium in the copper pipes is a refrigerant from the compressor. As a preferable mode of the utility model, the evaporator is a shell-and-tube evaporator, and is composed of a shell and a plurality of rows of copper tubes, wherein the copper tubes are arranged in the shell, a flowing medium in the copper tubes is a refrigerant from the compressor, and a flowing medium outside the copper tubes is water from the water tank. As a preferable mode of the utility model, a filter is arranged on a connecting pipeline between the condenser and the throttle valve. Compared with the prior art, the air-cooled natural cooling water chiller provided by the embodiment of the u