Waste heat utilization device of indoor refrigeration equipment

Abstract

The utility model discloses a waste heat utilization device of indoor refrigeration equipment, and relates to the technical field of refrigeration equipment. The device comprises a heat exchange water tank, a preheating water tank and a heat exchange water pipe, wherein the heat exchange water tank and the preheating water tank are arranged between a compressor and a condenser of the indoor refrigeration equipment. According to the device disclosed by the utility model, high-temperature and high-pressure gas discharged from the compressor can be firstly input into the first heat dissipation pipe and is primarily cooled by utilizing water in the heat exchange water tank, the primarily cooled gas enters the second heat dissipation pipe, waste heat is extracted by utilizing water in the preheating water tank, and tap water enters the preheating water tank from the water inlet pipe; waste heat after primary cooling is used for preheating, then enters the heat exchange water tank and is heated by high-temperature and high-pressure gas in the heat exchange water tank, heated hot water is discharged from the water outlet pipe and enters domestic water equipment, the heat extraction process is completed, heat is prevented from being directly dissipated into a room, the indoor cooling effect is enhanced, the heat is effectively utilized, and the energy consumption is reduced. And the dual energy-saving effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration equipment, and more specifically to a waste heat utilization device of indoor refrigeration equipment. Background Art

[0002] Existing indoor refrigeration appliances, while working to cool the room, also generate some heat that spreads into the room. Indoor refrigeration also generates heat, and the indoor cooling effect is not ideal. In order to make the indoor environment more comfortable, it is necessary to turn on the air conditioner at the same time to use the air conditioner to discharge the heat to the outside, which increases power consumption.

[0003] Therefore, how to prevent the waste heat generated by refrigeration appliances from spreading indoors is a technical problem that technical personnel in this field need to solve urgently. Utility Model Content

[0004] In view of this, the utility model aims to provide a waste heat utilization device of indoor refrigeration equipment to solve the technical problem that the heat generated by the refrigeration equipment diffuses into the room, resulting in an unsatisfactory indoor cooling effect.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A waste heat utilization device for indoor refrigeration equipment, comprising: a water exchange tank and a preheated water tank arranged between a compressor and a condenser of the indoor refrigeration equipment; a first heat dissipation pipe is arranged in the water exchange tank, and an air inlet of the first heat dissipation pipe is connected to an air outlet of the compressor; a second heat dissipation pipe is arranged in the preheated water tank, and an air inlet of the second heat dissipation pipe is connected to an air outlet of the first heat dissipation pipe, and an air outlet of the second heat dissipation pipe is connected to an air inlet of the condenser;

[0007] And a hot water exchange pipe, the hot water exchange pipe includes a water inlet pipe, a water delivery pipe and a water outlet pipe, the preheating water tank is provided with a first water inlet on the side close to the air inlet of the second radiating pipe, and a first water outlet on the side close to the air outlet of the second radiating pipe, and the water outlet end of the water inlet pipe is connected to the first water inlet; the hot water exchange water tank is provided with a second water inlet on the side close to the air inlet of the first radiating pipe, and a second water outlet on the side close to the air outlet of the first radiating pipe, the water inlet end of the water delivery pipe is connected to the first water outlet and the water outlet end thereof is connected to the second water inlet, the water inlet end of the water outlet pipe is connected to the second water outlet; the water outlet end of the water outlet pipe is connected to the water-using equipment.

[0008] The utility model can achieve the following beneficial effects: the high-temperature and high-pressure gas from the compressor is first input into the first heat dissipation pipe, and is initially cooled by the water in the water exchange tank. The gas after the initial cooling enters the second heat dissipation pipe, and the residual heat is extracted by the water in the preheating water tank. The tap water enters the preheating water tank from the water inlet pipe, is preheated by the residual heat after the initial cooling, and then enters the water exchange tank, where it is heated by the high-temperature and high-pressure gas. The heated hot water is discharged from the water outlet pipe into the domestic water equipment, completing the heat extraction process, avoiding direct heat dissipation into the room, thereby enhancing the indoor cooling effect, and effectively utilizing the heat, thereby achieving a dual energy-saving effect.

[0009] Preferably, the first heat dissipation pipe and the second heat dissipation pipe are serpentine pipes or spiral pipes.

[0010] Preferably, a water pump is installed on the water inlet pipe.

[0011] Preferably, it further comprises a hot water storage tank, wherein the water inlet end of the hot water storage tank is connected to the water outlet pipe.

[0012] Preferably, the hot water storage tank is provided with a heat-insulating layer.

[0013] Preferably, an electric heating pipe is installed in the hot water storage tank.

[0014] Preferably, a thermostat is further provided, which is mounted on the hot water storage tank and electrically connected to the electric heating tube.

[0015] It can be seen from the above technical solutions that, compared with the prior art, the utility model discloses a waste heat utilization device for indoor refrigeration equipment, which can not only cool the high-temperature and high-pressure gas discharged from the compressor to prevent heat energy from being released into the room and affecting the overall indoor cooling effect, but also utilize the heat and supply it to domestic water, thus saving energy and protecting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0017] Figure 1 The utility model provides a schematic structural diagram of a waste heat utilization device for indoor refrigeration equipment.

[0018] In the figure:

[0019] 10. compressor, 20. condenser, 30. filter drier, 40. throttling device, 50. evaporator.

[0020] 1. Hot water exchange tank, 2. Preheating water tank, 3. First heat dissipation pipe, 4. Second heat dissipation pipe, 51. Water inlet pipe, 52. Water delivery pipe, 53. Water outlet pipe, 6. Hot water storage tank, 7. Electric heating pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 The existing indoor refrigeration equipment generally includes a compressor 10, a condenser 20, a drying filter 30, a throttling device 40 and an evaporator 50. The utility model provides a waste heat utilization device that can be used for indoor refrigeration equipment.

[0023] The utility model comprises a water exchange tank 1 and a preheating water tank 2 arranged between a compressor 10 and a condenser 20; a first heat dissipation pipe 3 is arranged in the water exchange tank 1, and an air inlet of the first heat dissipation pipe 3 is connected to an air outlet of the compressor 10; a second heat dissipation pipe 4 is arranged in the preheating water tank 2, and an air inlet of the second heat dissipation pipe 4 is connected to an air outlet of the first heat dissipation pipe 3, and an air outlet of the second heat dissipation pipe 4 is connected to an air inlet of the condenser 20;

[0024] And a hot water exchange pipe, the hot water exchange pipe includes a water inlet pipe 51, a water delivery pipe 52 and a water outlet pipe 53. The preheating water tank 2 is provided with a first water inlet on the air inlet side close to the second radiating pipe 4, and a first water outlet is provided on the air outlet side close to the second radiating pipe 4. The water outlet end of the water inlet pipe 51 is connected to the first water inlet; the hot water tank 1 is provided with a second water inlet on the air inlet side close to the first radiating pipe 3, and a second water outlet is provided on the air outlet side close to the first radiating pipe 3. The water inlet end of the water delivery pipe 52 is connected to the first water outlet and its water outlet end is connected to the second water inlet, and the water inlet end of the water outlet pipe 53 is connected to the second water outlet; the water outlet end of the water outlet pipe 53 is connected to the water-using equipment.

[0025] The utility model can achieve the beneficial effects as follows: the high-temperature and high-pressure gas output by the compressor 10 is first input into the first heat dissipation pipe 3, and is initially cooled by the water in the water exchange tank 1. The gas after the initial cooling enters the second heat dissipation pipe 4, and the residual heat is extracted by the water in the preheating water tank 2. The tap water enters the preheating water tank 2 from the water inlet pipe 51, is preheated by the residual heat after the initial cooling, and then enters the water exchange tank 1, where it is heated by the high-temperature and high-pressure gas. The heated hot water is discharged from the water outlet pipe 53 into the domestic water equipment, completing the heat extraction process, avoiding direct heat dissipation into the room, thereby enhancing the indoor cooling effect, and effectively utilizing the heat to heat domestic water, thereby achieving a dual energy-saving effect.

[0026] In a specific embodiment, the first heat dissipation tube 3 and the second heat dissipation tube 4 are serpentine tubes or spiral tubes to increase the heat dissipation area and improve the heat exchange effect.

[0027] In a specific embodiment, a water pump is installed on the water inlet pipe 51 to provide power for the water to circulate in the heat exchange water pipe.

[0028] In a specific embodiment, a hot water storage tank 6 is further included, and the hot water storage tank 6 is installed on the water outlet pipe 53 to store the hot water after heat exchange.

[0029] In a specific embodiment, a heat preservation layer is provided on the hot water storage tank 6 to preserve heat and reduce heat loss.

[0030] In a specific embodiment, an electric heating pipe 7 is installed in the hot water storage tank 6. When the water temperature in the hot water storage tank 6 is not high enough, the electric heating pipe 7 can be used to continue heating the hot water in the tank.

[0031] In a specific embodiment, a thermostat is also included. The thermostat is installed on the hot water storage tank 6 and is electrically connected to the electric heating pipe 7 to adjust the heating temperature of the water.

[0032] Working principle: The high-temperature and high-pressure gas discharged from the compressor 10 enters the first heat dissipation pipe 3, and the high-temperature and high-pressure gas is initially cooled by the water in the water exchange tank 1. The initially cooled gas enters the second heat dissipation pipe, and the residual heat is extracted by the water in the preheating water tank 2. Tap water enters the preheating water tank 2 from the water inlet pipe 51, and enters the water exchange water tank 1 after being preheated by the residual heat after the initial cooling, and completes the heat exchange with the high-temperature and high-pressure gas in the water exchange water tank 1. The hot water is transported to the domestic water equipment from the water outlet pipe 53, completing the heat extraction process.

[0033] The utility model converts the heat generated by indoor refrigeration appliances into hot water through heat exchange, which can be used as domestic hot water, and at the same time, the heat is prevented from directly diffusing into the room, which would affect the cooling effect. The device realizes the utilization of waste heat from refrigeration appliances and enhances the cooling effect of refrigeration appliances.

[0034] This device is suitable for family use. The heat energy generated by the refrigeration equipment is used to heat water. The hot water can be used in the kitchen and other domestic water. It can also be widely used in catering companies, hotels, canteens and other back kitchens, food refrigeration, and preservation storage. The waste heat is concentrated into hot water for back kitchen sanitation. At the same time, it reduces the heat brought to the indoor space by refrigeration and preservation appliances, reduces the workload of air conditioning, and saves energy and is environmentally friendly.

[0035] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0036] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A waste heat utilization device for indoor refrigeration equipment, characterized in that: include: A heat exchange water tank (1) and a preheating water tank (2) are arranged between the compressor (10) and the condenser (20) of the indoor refrigeration equipment; a first heat dissipation pipe (3) is arranged in the heat exchange water tank (1), and an air inlet of the first heat dissipation pipe (3) is connected to an air outlet of the compressor (10); a second heat dissipation pipe (4) is arranged in the preheating water tank (2), and an air inlet of the second heat dissipation pipe (4) is connected to an air outlet of the first heat dissipation pipe (3), and an air outlet of the second heat dissipation pipe (4) is connected to an air inlet of the condenser (20); and a hot water exchange pipe, the hot water exchange pipe comprising a water inlet pipe (51), a water delivery pipe (52) and a water outlet pipe (53); the preheating water tank (2) is provided with a first water inlet on the side close to the air inlet of the second radiating pipe (4), and a first water outlet on the side close to the air outlet of the second radiating pipe (4); the water outlet end of the water inlet pipe (51) is connected to the first water inlet; the hot water tank (1) is provided with a second water inlet on the side close to the air inlet of the first radiating pipe (3), and a second water outlet on the side close to the air outlet of the first radiating pipe (3); the water inlet end of the water delivery pipe (52) is connected to the first water outlet and the water outlet end thereof is connected to the second water inlet; the water inlet end of the water outlet pipe (53) is connected to the second water outlet; the water outlet end of the water outlet pipe (53) is connected to a water-using device.

2. The waste heat utilization device of indoor refrigeration equipment according to claim 1, characterized in that: The first heat dissipation tube (3) and the second heat dissipation tube (4) are serpentine tubes or spiral tubes.

3. The waste heat utilization device of indoor refrigeration equipment according to claim 1, characterized in that: A water pump is installed on the water inlet pipe (51).

4. The waste heat utilization device of indoor refrigeration equipment according to claim 1, characterized in that: It also comprises a hot water storage tank (6), the water inlet end of the hot water storage tank (6) being connected to the water outlet pipe (53).

5. The waste heat utilization device of indoor refrigeration equipment according to claim 4, characterized in that: The hot water storage tank (6) is provided with a heat-insulating layer.

6. The waste heat utilization device of indoor refrigeration equipment according to claim 4, characterized in that: An electric heating pipe (7) is installed in the hot water storage tank (6).

7. The waste heat utilization device of indoor refrigeration equipment according to claim 6, characterized in that: A temperature controller is also provided, which is installed on the hot water storage tank (6) and is electrically connected to the electric heating pipe (7).

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