CN110793232A

CN110793232A - Refrigeration system

Info

Publication number: CN110793232A
Application number: CN201810875879.2A
Authority: CN
Inventors: 郑青焕; 周芙蓉
Original assignee: SHENZHEN SHENLAN PRECISION MACHINERY CO Ltd
Current assignee: SHENZHEN SHENLAN PRECISION MACHINERY CO Ltd
Priority date: 2018-08-03
Filing date: 2018-08-03
Publication date: 2020-02-14

Abstract

The invention relates to the technical field of refrigeration equipment, and provides a refrigeration system which comprises a frame body, and a vortex tube, a water flow channel and a compressed gas supply mechanism which are respectively arranged on the frame body; the vortex tube is provided with an air inlet part, a cold air discharge part and a hot air discharge part capable of conducting heat; the air inlet part is communicated with the compressed air supply mechanism, the hot air discharge part penetrates through the water flow channel, and the hot air discharge part is provided with a heat dissipation surface contacted with water in the water flow channel. According to the refrigeration system provided by the invention, the heat of hot gas in the hot gas discharge part is dissipated into water in the water flow channel through the heat dissipation surface, and the hot gas cooled by the water in the water flow channel is discharged to an external space through the hot gas discharge part; the cold air generated by the vortex tube is directly discharged to the external space through the cold air discharge part; the refrigerating system does not need to adopt a fan for air supply in the whole cooling process, and the reduction of the cooling efficiency caused by wind resistance in the air supply process of the fan is avoided.

Description

Refrigeration system

Technical Field

The invention belongs to the technical field of refrigeration equipment, and particularly relates to a refrigeration system.

Background

When working in a closed space, the temperature in the space can easily rise quickly, such as in a tunnel excavation. In order to reduce the temperature in the tunnel, an axial flow fan is generally used to blow air into the tunnel, and as the length of the tunnel increases, the internal resistance (wind resistance) increases, thereby reducing the blowing efficiency.

Disclosure of Invention

The invention aims to provide a refrigerating system to solve the technical problems of insufficient air supply and high temperature in a tunnel in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: providing a refrigerating system, which comprises a frame body, a vortex tube, a water flow channel and a compressed gas supply mechanism, wherein the vortex tube, the water flow channel and the compressed gas supply mechanism are respectively arranged on the frame body; the vortex tube is provided with an air inlet part, a cold air discharge part and a hot air discharge part capable of conducting heat; the air inlet part is communicated with the compressed gas supply mechanism, the hot gas discharge part penetrates through the water flow channel, and the hot gas discharge part is provided with a heat dissipation surface which is in contact with water in the water flow channel.

Further, the hot gas exhaust part is a heat conduction exhaust pipe.

Furthermore, the number of the vortex tubes is multiple, and the hot gas discharge parts of the vortex tubes are parallel to each other and are arranged at uniform intervals.

Further, the compressed gas supply mechanism comprises a gas inlet channel, a compressed gas source, a gas storage tank and a gas filtering assembly, wherein one end of the gas inlet channel is communicated with the gas inlet part, and the other end of the gas inlet channel is communicated with the compressed gas source; and in the air flow direction of the air inlet channel, the air filtering component and the air storage tank are sequentially arranged in the air inlet channel.

Further, the gas filtration assembly includes a first filter capable of filtering particles having a particle diameter of less than or equal to 3 microns and a second filter capable of filtering particles having a particle diameter of less than or equal to 0.01 microns, the first filter being located upstream of the second filter.

Further, the rivers passageway is enclosed by the water tank and closes and form, the vortex tube is located in the water tank, the gas outlet of air conditioning exhaust portion with the gas outlet of steam exhaust portion passes respectively the water tank inner wall extremely the water tank is outside, have on the water tank and be connected water inlet and delivery port with outside water source.

Further, still include with cold exhaust passage of cold air exhaust portion intercommunication, be provided with the muffler in the cold exhaust passage.

Further, still include with the hot exhaust passage of hot gas exhaust portion intercommunication, hot gas exhaust portion with be provided with the hybrid chamber between the hot exhaust passage, hot gas exhaust portion with hot exhaust passage respectively with the hybrid chamber intercommunication.

Furthermore, a water flow pipeline capable of conducting heat is arranged in the hot exhaust channel.

Further, the bottom of the frame body is provided with an exhaust hole communicated with the hot exhaust channel.

The refrigeration system provided by the invention has the beneficial effects that: compared with the prior art, the refrigeration system provided by the invention has the advantages that compressed air in the compressed air supply mechanism enters the vortex tube from the air inlet part, the vortex tube generates cold air and hot air, the cold air is discharged from the cold air discharge part, and the hot air is discharged from the hot air discharge part; when hot air in the hot air discharge part passes through the water flow channel, the hot air discharge part can conduct heat, the heat of the hot air in the hot air discharge part is dissipated into water in the water flow channel through the radiating surface, and the hot air cooled by the water in the water flow channel is discharged to the external space through the hot air discharge part; the refrigerating system does not need to adopt a fan for air supply in the whole cooling process, so that the reduction of the cooling efficiency caused by wind resistance when the fan supplies air is avoided; meanwhile, the cold air generated by the vortex tube is directly discharged to the external space through the cold air discharge part; this refrigerating system can utilize compressed gas to reduce the temperature of the peripheral air of refrigerating system promptly, and whole cooling process does not need the electric current directly to participate in, has promoted refrigerating system's safety greatly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a first schematic perspective view of a refrigeration system according to an embodiment of the present invention;

fig. 2 is a second schematic perspective view of a refrigeration system according to an embodiment of the present invention;

fig. 3 is a third schematic perspective view of a refrigeration system provided in an embodiment of the present invention;

FIG. 4 is a first schematic perspective view of a vortex tube according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a vortex tube assembly according to an embodiment of the present invention;

FIG. 6 is a third schematic perspective view of a vortex tube provided in accordance with an embodiment of the present invention;

FIG. 7 is a first schematic perspective view of a vortex tube provided in accordance with an embodiment of the present invention;

fig. 8 is a schematic perspective view of a vortex tube according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a frame body; 11-an exhaust hole; 2-a vortex tube; 21-an air intake; 22-cold air discharge portion; 23-hot gas exhaust; 231-a heat dissipation surface; 3-a water flow channel; 4-compressed gas supply means; 41-an intake passage; 42-a gas storage tank; 43-a gas filtration module; 431-a first filter; 432-a second filter; 5-a water tank; 51-a water inlet; 52-water outlet; 6-a cold exhaust channel; 61-a silencer; 62-cold exhaust port; 7-a mixing chamber; 8-a heat exchanger; 91-a flow meter; 92-a water inlet pipe; 93-a water outlet pipe; 94-air inlet pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 7 together, a refrigeration system according to the present invention will now be described. The refrigerating system comprises a frame body 1, a vortex tube 2, a water flow channel 3 and a compressed gas supply mechanism 4, wherein the vortex tube 2, the water flow channel 3 and the compressed gas supply mechanism 4 are respectively arranged on the frame body 1; the vortex tube 2 is provided with an air inlet part 21, a cold air discharge part 22 and a hot air discharge part 23 capable of conducting heat; the inlet portion 21 communicates with the compressed gas supply mechanism 4, the hot gas discharge portion 23 passes through the water flow passage 3, and the hot gas discharge portion 23 has a heat radiation surface 231 which is in contact with water in the water flow passage 3.

The principle of the vortex tube 2 is: the compressed gas entering the vortex tube 2 is separated into a high-temperature gas flow and a low-temperature gas flow after rotating in the vortex tube 2.

In this way, the compressed air in the compressed gas supply mechanism 4 enters the vortex tube 2 from the air inlet portion 21, the vortex tube 2 generates cold air and hot air, the cold air is discharged from the cold air discharge portion 22, and the hot air is discharged from the hot air discharge portion 23; when the hot air in the hot air discharging part 23 passes through the water flow channel 3, because the hot air discharging part 23 is heat conductive, the heat of the hot air in the hot air discharging part 23 is dissipated into the water in the water flow channel 3 through the heat dissipating surface 231, and the hot air cooled by the water in the water flow channel 3 is discharged to the external space through the hot air discharging part 23; the refrigerating system does not need to adopt a fan for air supply in the whole cooling process, so that the reduction of the cooling efficiency caused by wind resistance when the fan supplies air is avoided; meanwhile, the cold air generated by the vortex tube 2 is directly discharged to the external space through the cold air discharge portion 22; this refrigerating system can utilize compressed gas to reduce the temperature of the peripheral air of refrigerating system promptly, and whole cooling process does not need the electric current directly to participate in, has promoted refrigerating system's safety greatly.

Wherein, refrigerating system, in the in-process of tunnel construction, only need place refrigerating system in the tunnel, then stretch into the tunnel with compressed air's pipeline and with this pipeline with refrigerating system's air intake portion 21 be connected can, very simple and convenient.

Optionally, in an embodiment, a flow meter 91 is disposed on the water flow channel 3, and the flow meter 91 can monitor the water flow in the water flow channel 3 in real time.

Optionally, in one embodiment, a gas pressure gauge for detecting the gas pressure in the compressed gas supply mechanism 4 is provided on the frame body 1.

Optionally, in an embodiment, the frame body 1 is provided with a water inlet pipe 92 and a water outlet pipe 93, the water in the water inlet pipe 92 is input into the water flow channel 3, and the water in the water flow channel 3 is output from the water outlet pipe 93.

Optionally, in one embodiment, an air inlet pipe 94 is provided on the frame body 1, and the air inlet pipe 94 supplies compressed air to the compressed air supply mechanism 4.

Further, referring to fig. 6 to 8, as an embodiment of the refrigeration system of the present invention, the hot gas discharging portion 23 is a heat conducting exhaust pipe. Thus, the hot gas discharge part 23 is a duct, which facilitates the transportation of hot gas. Optionally, in one embodiment, the thermally conductive exhaust pipe is made of metal.

Further, referring to fig. 7, as an embodiment of the refrigeration system provided by the present invention, the number of the vortex tubes 2 is multiple, and the hot gas discharge portions 23 of the multiple vortex tubes 2 are parallel to each other and are uniformly spaced. Thus, the plurality of vortex tubes 2 can enhance the heat dissipation effect of the refrigeration system; the hot gas discharge parts 23 of the plurality of vortex tubes 2 are parallel to each other and are arranged at even intervals, so that the heat released into the water flow channel 3 by the plurality of vortex tubes 2 in the heat dissipation process is more even.

Further, referring to fig. 7, as an embodiment of the refrigeration system provided by the present invention, the conveying direction of the gas in the hot gas discharging portion 23 and the water flow direction in the water flow channel 3 are parallel to each other. So, the contact between rivers and the hot gas discharge portion 23 is more stable when rivers in the rivers passageway 3 contact with hot gas discharge portion 23, is difficult to appear because rivers strike on hot gas discharge portion 23 and produce the vortex, and this vortex reduces homogeneity and the stability of contact between rivers and the hot gas discharge portion 23, and this vortex can reduce the cooling effect of hot gas discharge portion 23.

Further, referring to fig. 7 to 8, as an embodiment of the refrigeration system provided by the present invention, the conveying direction of the gas in the hot gas discharging part 23 is opposite to the water flow direction in the water flow channel 3. In this way, the temperature of the water flow in the water flow passage 3 is gradually lowered in the direction of conveyance of the gas in the hot gas discharge portion 23, which is advantageous for lowering the temperature of the gas when discharged from the hot gas discharge portion 23.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the compressed gas supply mechanism 4 includes a gas inlet channel 41, a compressed gas source (not shown), a gas storage tank 42, and a gas filtering assembly 43, wherein one end of the gas inlet channel 41 is communicated with the gas inlet portion 21, and the other end of the gas inlet channel 41 is communicated with the compressed gas source; the gas filter unit 43 and the gas tank 42 are arranged in the gas inlet passage 41 in this order in the flow direction of the gas in the gas inlet passage 41. Therefore, after entering a near-term channel, the gas of the compressed gas source sequentially passes through the gas filtering component 43 to be subjected to impurity filtering, and then is stored in the gas storage tank 42, and the compressed gas in the gas storage tank 42 is input into the gas inlet part 21 of the vortex tube 2; the gas filtering assembly 43 can filter out moisture, oil gas and dust in the compressed air; the air tank 42 can stably supply air to the air intake portion 21, and maintain the stability of the air flow input into the air intake portion 21.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the gas filtering assembly 43 includes a first filter 431 capable of filtering particles with a particle diameter of less than or equal to 3 microns and a second filter 432 capable of filtering particles with a particle diameter of less than or equal to 0.01 microns, wherein the first filter 431 is located upstream of the second filter 432. In this way, the compressed gas passes through the first filter 431 and the second filter 432 in sequence, so that impurities larger than 0.01 micron in the compressed gas can be effectively filtered. Optionally, in one embodiment, a first filter 431 is capable of filtering out moisture and a second filter 432 is capable of filtering out oil and gas.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the water flow channel 3 is formed by enclosing a water tank 5, the vortex tube 2 is located in the water tank 5, the air outlet of the cold air discharge portion 22 and the air outlet of the hot air discharge portion 23 respectively pass through the inner wall of the water tank 5 to the outside of the water tank 5, and the water tank 5 has an inlet 51 and an outlet 52 connected to an external water source. Therefore, the vortex tube 2 is immersed in the water tank 5, so that the heat dissipation of the vortex tube 2 is facilitated; the water in the water tank 5 is replaced through the water inlet 51 and the water outlet 52.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the water outlet 52 is located above the water inlet 51. So, the setting of delivery port 52 is favorable to keeping the stability of the interior liquid level of water tank 5 in the top of water inlet 51, and the liquid level can be followed delivery port 52 and discharged when being higher than delivery port 52, and when the liquid level was less than delivery port 52, the water level in the water tank 5 can remain unchanged.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the refrigeration system further includes a cold exhaust channel 6 communicated with the cold air discharge portion 22, and a muffler 61 is disposed in the cold exhaust channel 6. Thus, when the gas passes through the cold air exhaust passage, the muffler 61 can reduce the noise in the cold air exhaust passage.

Alternatively, in one embodiment, the cold exhaust channel 6 is formed with an exhaust pipe enclosure, and the cold exhaust channel 6 communicates with a plurality of cold exhaust ports 62. Optionally, at least one cold discharge outlet 62 outputs cold air toward the top of the refrigeration system, and at least one cold discharge outlet 62 outputs cold air toward the horizontal. Thus, the uniform output of the cold air is facilitated.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the muffler 61 is tubular, a plurality of air holes are opened on a side wall of the muffler 61, and an extending direction of the muffler 61 is the same as an air flow direction in the cold exhaust passage 6. Thus, the muffler 61 has a simple structure and is easy to produce and manufacture; the extension direction of the silencer 61 is the same as the direction of the air flow in the cold exhaust passage 6, and disturbance of the silencer 61 to the air flow in the cold exhaust passage 6 is avoided.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the refrigeration system further includes a hot gas exhaust channel (not shown) communicated with the hot gas exhaust portion 23, a mixing chamber 7 is disposed between the hot gas exhaust portion 23 and the hot gas exhaust channel, and the hot gas exhaust portion 23 and the hot gas exhaust channel are respectively communicated with the mixing chamber 7. So, mixing chamber 7 can carry out intensive mixing with the gas of hot gas exhaust portion 23 combustion earlier, and the gas after the intensive mixing reentries the hot exhaust passage in mixing chamber 7 for the gas that gets into in the hot exhaust passage is more even.

Optionally, in one embodiment, the hot exhaust gas channel is located within the heat exchanger 8. Specifically, the number of the heat exchangers 8 is two.

Alternatively, in one embodiment, the mixing chamber 7 is enclosed by a hot gas hood in the shape of a hood.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, a water flow pipe (not shown) capable of conducting heat is disposed in the heat exhaust channel. So, but the rivers pipeline of heat conduction can cool down the gas in the hot exhaust passageway when passing through hot exhaust passageway.

Alternatively, in one embodiment, the source of water in the water flow conduit is from water cooled by the hot gas discharge 23 via the water flow channel 3. Thus, the reuse of water is increased.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, at least two hot exhaust channels are provided. Thus, the two hot exhaust passages can increase the heat dissipation efficiency. Optionally, there are two hot exhaust gas conduits for two heat exchangers 8.

Further, referring to fig. 1 to 5, as an embodiment of the refrigeration system provided by the present invention, the bottom of the frame body 1 is provided with an exhaust hole 11 communicated with the hot exhaust channel. Thus, the gas cooled by the hot exhaust channel is exhausted from the exhaust hole 11 at the bottom of the frame body 1, and the influence of the exhausted gas on the external environment is reduced. Optionally, the temperature of the gas discharged from the hot exhaust channel is 20-25 ℃; alternatively, the temperature of the air discharged from the hot exhaust passage is the same as the temperature of the cooling water entering the water inlet pipe 92.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Refrigerating system, including the support body, its characterized in that: the device also comprises a vortex tube, a water flow channel and a compressed gas supply mechanism which are respectively arranged on the frame body; the vortex tube is provided with an air inlet part, a cold air discharge part and a hot air discharge part capable of conducting heat; the air inlet part is communicated with the compressed gas supply mechanism, the hot gas discharge part penetrates through the water flow channel, and the hot gas discharge part is provided with a heat dissipation surface which is in contact with water in the water flow channel.

2. The refrigeration system of claim 1 wherein: the hot gas exhaust part is a heat conduction exhaust pipe.

3. The refrigeration system of claim 2 wherein: the number of the vortex tubes is multiple, and the hot gas discharge parts of the vortex tubes are parallel to each other and are uniformly arranged at intervals.

4. A refrigeration system according to any one of claims 1 to 3, wherein: the compressed gas supply mechanism comprises a gas inlet channel, a compressed gas source, a gas storage tank and a gas filtering assembly, wherein one end of the gas inlet channel is communicated with the gas inlet part, and the other end of the gas inlet channel is communicated with the compressed gas source; and in the air flow direction of the air inlet channel, the air filtering component and the air storage tank are sequentially arranged in the air inlet channel.

5. The refrigeration system of claim 4 wherein: the gas filtration assembly includes a first filter capable of filtering particles having a particle diameter of less than or equal to 3 microns and a second filter capable of filtering particles having a particle diameter of less than or equal to 0.01 microns, the first filter being located upstream of the second filter.

6. A refrigeration system according to any one of claims 1 to 3, wherein: the rivers passageway is enclosed to close by the water tank and forms, the vortex tube is located in the water tank, the gas outlet of air conditioning exhaust portion with the gas outlet of steam exhaust portion passes respectively the water tank inner wall extremely the water tank is outside, have on the water tank and be connected water inlet and delivery port with outside water source.

7. A refrigeration system according to any one of claims 1 to 3, wherein: the cold air exhaust part is communicated with the cold air exhaust part, and a silencer is arranged in the cold air exhaust passage.

8. A refrigeration system according to any one of claims 1 to 3, wherein: still include with the hot exhaust passage of hot gas exhaust portion intercommunication, hot gas exhaust portion with be provided with the hybrid chamber between the hot exhaust passage, hot gas exhaust portion with hot exhaust passage respectively with the hybrid chamber intercommunication.

9. The refrigeration system of claim 8 wherein: and a water flow pipeline capable of conducting heat is arranged in the hot exhaust channel.

10. The refrigeration system of claim 8 wherein: the bottom of the frame body is provided with an exhaust hole communicated with the hot exhaust channel.