CN210321280U

CN210321280U - Surface cooling heat exchanger for evaporative cooling

Info

Publication number: CN210321280U
Application number: CN201921393940.6U
Authority: CN
Inventors: 张震
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-14
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a surface cooling heat exchanger for evaporation cooling, which comprises two plates, two air inlet plates and a top plate, wherein the two plates are fixedly connected with the two air inlet plates through screws, the top ends of the plates and the air inlet plates are provided with the top plate, and a fan is arranged in a fan groove arranged on the upper surface of the top plate; the utility model is provided with the suction fan which can perform air cooling heat dissipation on the heat exchange coil and the U-shaped pipes in the whole evaporative cooling device, thereby playing a role of double air cooling, and the U-shaped pipes at the position are used as precooling components for dissipating heat higher than normal temperature before the refrigerant enters the water spraying module, ensuring that no water vapor exists in the spraying process, and radically solving the scaling problem; the U-shaped pipes are designed in an inclined mode, so that the U-shaped pipes are fully contacted with cold airflow, and the U-shaped pipes are radiated in two directions, so that the radiating efficiency is improved, and the U-shaped pipes are ensured to achieve a precooling effect.

Description

Surface cooling heat exchanger for evaporative cooling

Technical Field

The utility model relates to an evaporation cold field, in particular to a cold heat exchanger of table for evaporating is cold.

Background

The evaporative cooling is to cool the high-temperature high-pressure superheated steam discharged from the compressor by taking away the heat of condensation through water evaporation and forced air circulation to condense the steam into liquid. The air-conditioning system can be widely applied to various industries such as petrochemical industry, light industry and medicine, refrigeration air-conditioning, food refrigeration and the like, and is suitable for large and medium-sized refrigeration devices.

The conventional evaporative cooling device does not use a precooling assembly, so that the heat of a heat exchange coil pipe of a refrigerant entering a water spray module is higher than the normal temperature, and the scaling problem can occur during water spray, thereby influencing the service life of the whole device; meanwhile, the existing heat exchange coil adopts a single air cooling and water cooling mode, so that the water pumping amount of a water pump used in a water cooling link is increased in the using process of the heat exchange coil, and the power consumption is increased.

Accordingly, those skilled in the art have provided a surface-cooled heat exchanger for evaporative cooling to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a surface cooling heat exchanger for evaporative cooling, which can perform air cooling heat dissipation on a heat exchange coil and a plurality of U-shaped pipes in the whole evaporative cooling device through an arranged suction fan, thereby playing a role of double air cooling; the U-shaped pipes are designed in an inclined mode and are in full contact with cold airflow, and the U-shaped pipes are radiated in two directions, so that the radiating efficiency is improved, and the U-shaped pipes are ensured to achieve a precooling effect; the plurality of air holes formed in the surface of the middle plate play a role in ventilation, even if one of the double-suction fans is damaged or the power of the double-suction fans is reduced, the heat in the adjacent empty grooves can be taken out by the suction fan in another normal operation through the plurality of air holes, and the normal use of the whole device is ensured.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a table cold heat exchanger for evaporating cold, includes two dress boards, two air inlet boards and roof, two dress boards are through setting up screw fixed connection with two air inlet boards, the top of dress board and air inlet board is equipped with the roof, and the fan inslot that the roof upper surface was seted up installs the fan, two middle part position between the air inlet board passes through screw fixed connection intermediate lamella, two a plurality of through-holes have all been seted up to position department that dress board and intermediate lamella surface are close to both ends, and insert the formula in the through-hole and install the U-shaped pipe, the upper and lower position department that lies in a plurality of U-shaped pipes between intermediate lamella and two dress boards is fixed top deck and the bottom plate of being provided with respectively.

Preferably, a rectangular frame structure is enclosed between the two mounting plates and the two air inlet plates, and a cavity is arranged inside the rectangular frame structure.

Preferably, the fan grooves correspond to two empty grooves defined by the middle plate and the two mounting plates respectively, and the two fan grooves have the same specification and are cylindrical groove bodies.

Preferably, one side between the top cover plate and the bottom cover plate, which is close to the inner cavity of the heat exchanger, and the inner wall of the air inlet groove, which is formed in the surface of the air inlet plate, are both fixedly connected with metal meshes through screws, and the cross section of the air inlet groove is rectangular.

Preferably, the U-shaped pipes adjacent to the air inlet plate are divided into two groups, and the two groups of U-shaped pipes are symmetrically distributed on the same horizontal plane, and the included angle formed by the U-shaped pipes and the horizontal plane is 45 degrees.

Preferably, the inner wall of the U-shaped pipe is provided with a zinc coating, and the U-shaped pipes positioned on the same vertical plane are communicated with a coil pipe which is required to be sprayed from the outside through an inlet pipe and an outlet pipe arranged at one end of each U-shaped pipe.

Preferably, the height of the middle plate is equal to the height of the inside of the heat exchanger main body, the capacity of the two empty grooves in the heat exchanger main body is equal, and a plurality of air holes are formed in the middle of the surface of the middle plate in a penetrating mode.

Preferably, the interior of the fan groove is provided with suction fans, the specification of the suction fans is the same, and the suction fans are spirally connected with the fan groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model is provided with the suction fan which can perform air cooling heat dissipation on the heat exchange coil and the U-shaped pipes in the whole evaporative cooling device, thereby playing a role of double air cooling, and the U-shaped pipes at the position are used as precooling components for dissipating heat higher than normal temperature before the refrigerant enters the water spraying module, ensuring that no water vapor exists in the spraying process, and radically solving the scaling problem;

2. the utility model designs the plurality of U-shaped tubes in an inclined manner to be fully contacted with cold airflow, and radiates the plurality of U-shaped tubes from two directions, thereby improving the radiating efficiency and ensuring that the U-shaped tubes achieve the precooling effect;

3. the utility model discloses a plurality of gas pockets of setting on middle plate surface play the effect of ventilating, even one of them emergence in the double entry fan damages or power reduces, the suction fan of another normal operation can take out the heat in the adjacent dead slot through a plurality of gas pockets, ensures the normal use of integrated device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of a partial structure a of fig. 2 according to the present invention.

In the figure: 1. plate installation; 2. an air inlet plate; 3. a U-shaped tube; 4. a top plate; 5. a fan groove; 6. a top cover plate; 7. a bottom cover plate; 8. a middle plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, a table cold heat exchanger for evaporating cold, includes two dress boards 1, two air inlet boards 2 and roof 4, two dress boards 1 and two air inlet boards 2 are through setting up screw fixed connection, the top of dress board 1 and air inlet board 2 is equipped with roof 4, and roof 4 upper surface sets up fan groove 5, two middle part position between the air inlet board 2 is through screw fixed connection intermediate lamella 8, two a plurality of through-holes have all been seted up to dress board 1 and the position department that the intermediate lamella 8 surface is close to both ends, and insert the formula in the through-hole and install U-shaped pipe 3, the upper and lower position department that lies in a plurality of U-shaped pipes 3 between intermediate lamella 8 and two dress boards 1 is fixed respectively and is provided with top apron 6 and bottom plate 7.

Referring to fig. 2, a rectangular frame structure is defined between the two mounting plates 1 and the two air inlet plates 2, and a cavity is arranged inside the rectangular frame structure.

Referring to fig. 1 and 2, the fan grooves 5 correspond to two empty grooves defined by the middle plate 8 and the two mounting plates 1, and the two fan grooves 5 have the same specification and are cylindrical groove bodies.

Referring to fig. 1 and 2, a metal mesh is fixedly connected between one side of the top cover plate 6 and the bottom cover plate 7 close to the inner cavity of the heat exchanger and the inner wall of the air inlet groove formed in the surface of the air inlet plate 2 through screws, and the cross section of the air inlet groove is rectangular.

The metal net is designed in a double-layer mode, and plays a role in filtering gas.

Referring to fig. 2 and 3, the U-shaped tubes 3 adjacent to the air inlet plate 2 are divided into two groups, and on the same horizontal plane, the two groups of U-shaped tubes 3 are symmetrically distributed, and an included angle formed between each U-shaped tube 3 and the horizontal plane is 45 °.

The U-shaped pipes 3 are in inclined design, are fully contacted with cold airflow, and radiate the U-shaped pipes 3 in two directions, so that the radiating efficiency is improved, and the U-shaped pipes 3 are ensured to achieve the precooling effect.

In the air cooling process, external cold air enters the whole inner cavity of the heat exchanger from an air inlet groove formed in the air inlet plate 2, and partial heat is taken away after the cold air is contacted with the plurality of U-shaped pipes 3, so that the effect of primary cooling is achieved.

Referring to fig. 1, a zinc coating is disposed on the inner wall of the U-shaped pipe 3, and the U-shaped pipes 3 located on the same vertical plane are communicated with a coil pipe, which is required to be sprayed from the outside, by an inlet pipe and an outlet pipe disposed at one end of the U-shaped pipe.

Referring to fig. 2, the height of the middle plate 8 is equal to the height of the inside of the heat exchanger main body, the capacity of the two empty slots in the heat exchanger main body is the same, and a plurality of air holes are formed in the middle of the surface of the middle plate 8 in a penetrating manner.

Above-mentioned a plurality of gas pockets that set up on middle plate 8 surface play the effect of ventilating, even one of them takes place to damage or power reduction in the double suction fan, the suction fan of another normal operating can take out the heat in the adjacent dead slot through a plurality of gas pockets, ensures the normal use of whole device.

Referring to fig. 1, suction fans are installed inside the fan groove 5, and have the same specification, and are spirally connected with the fan groove 5.

Through adopting above-mentioned technical scheme, the suction fan that sets up can carry out the forced air cooling heat dissipation to heat exchange coil and a plurality of U-shaped pipe 3 in the whole evaporation cold charge device, plays dual air-cooled effect, and a plurality of U-shaped pipes of this department are as the precooling subassembly for the heat that is higher than the normal atmospheric temperature before the refrigerant gets into water spray module is dispelled, ensures to spray the process and does not have steam, from solving the scale deposit problem at the root.

Air cooling, water cooling and air cooling, and the principle of tertiary cooling:

gas to be condensed flows in a heat exchange coil in the evaporative cooling device, a water distribution system connects a water pipe into the spray header, and water is continuously sprayed on the outer surface of the heat exchange coil, so that the water cooling effect is realized;

meanwhile, due to the action of the suction fans, cold air positioned below blows and flows through the surface of the heat exchange coil from bottom to top, the temperature of a medium in the traditional heat exchange coil is 65-75 ℃ under the action of single air cooling and water cooling for the first time, and the medium in the heat exchange coil can be scaled in the process, however, the heat exchanger main body is added at the top end of the existing evaporative cooling device, so that the medium in the heat exchange coil can firstly pass through the U-shaped tubes 3 before entering the heat exchange coil, the U-shaped tubes at the position serve as precooling components, two suction fans work at the same time, air cooling and heat dissipation can be carried out on the heat exchange coil and the U-shaped tubes 3 in the entire evaporative cooling device, the dual air cooling effect is achieved, and under the action of the device, the medium is precooled, so that the temperature of the medium entering the heat exchange coil is close to the normal temperature, thereby avoiding the occurrence of scaling phenomenon.

Meanwhile, the device can reduce the water consumption in the water cooling process, and reduce the electric energy required by the water suction pump while saving water, thereby reducing the cost of the whole device during use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A surface cooling heat exchanger for evaporative cooling, characterized by: including two dress boards (1), two air inlet boards (2) and roof (4), two dress boards (1) and two air inlet boards (2) are through setting up screw fixed connection, the top of dress board (1) and air inlet board (2) is equipped with roof (4), and roof (4) upper surface sets up fan groove (5), two middle part position between air inlet board (2) passes through screw fixed connection intermediate lamella (8), two a plurality of through-holes have all been seted up to dress board (1) and intermediate lamella (8) surface position department that is close to both ends, and insert formula in the through-hole and install U-shaped pipe (3), the upper and lower position department that lies in a plurality of U-shaped pipes (3) between intermediate lamella (8) and two dress boards (1) is fixed top cap board (6) and bottom cap board (7) of being provided with respectively.

2. A surface-cooled heat exchanger for evaporative cooling according to claim 1, wherein: a rectangular frame structure is enclosed between the two mounting plates (1) and the two air inlet plates (2), and a cavity is arranged inside the structure.

3. A surface-cooled heat exchanger for evaporative cooling according to claim 1, wherein: the fan grooves (5) correspond to two empty grooves formed by enclosing the middle plate (8) and the two mounting plates (1) respectively, and the two fan grooves (5) are cylindrical groove bodies with the same specification.

4. A surface-cooled heat exchanger for evaporative cooling according to claim 1, wherein: one side between the top cover plate (6) and the bottom cover plate (7) and close to the inner cavity of the heat exchanger and the inner wall of the air inlet groove formed in the surface of the air inlet plate (2) are both fixedly connected with metal meshes through screws, and the cross section of the air inlet groove is rectangular.

5. A surface-cooled heat exchanger for evaporative cooling according to claim 1, wherein: and a plurality of U-shaped pipes (3) adjacent to the air inlet plate (2) are divided into two groups, and the two groups of U-shaped pipes (3) are symmetrically distributed on the same horizontal plane, and the included angle formed by the U-shaped pipes (3) and the horizontal plane is 45 degrees.

6. A surface-cooled heat exchanger for evaporative cooling according to claim 5, wherein: the inner wall of the U-shaped pipe (3) is provided with a zinc coating, and the U-shaped pipes (3) positioned on the same vertical plane are communicated with a coil pipe which needs to be sprayed from the outside through an inlet pipe and an outlet pipe arranged at one end of each U-shaped pipe.

7. A surface-cooled heat exchanger for evaporative cooling according to claim 1, wherein: the height of the middle plate (8) is equal to the height of the inside of the heat exchanger main body, the capacity of two empty grooves in the heat exchanger main body is the same, and a plurality of air holes are formed in the middle of the surface of the middle plate (8) in a penetrating mode.

8. A surface-cooled heat exchanger for evaporative cooling according to claim 1, wherein: the suction fans are installed in the fan grooves (5) and are the same in specification, and the suction fans are connected with the fan grooves (5) in a spiral mode.