CN219640483U

CN219640483U - Precooling evaporator

Info

Publication number: CN219640483U
Application number: CN202320715960.0U
Authority: CN
Inventors: 王莉莉; 黄志坚
Original assignee: Hangzhou Pinda Pressure Vessel Co ltd
Current assignee: Hangzhou Pinda Pressure Vessel Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-05
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a precooling evaporator, which relates to the technical field of evaporators and comprises a shell, wherein a first air inlet pipe is arranged at the top of the left end of the shell, a first air outlet pipe is arranged at the right side of the shell, close to the lower half part of the shell, a coiled pipe is arranged at the middle of the shell, close to the upper end of the shell, the left end of the coiled pipe is connected with a second air inlet pipe, the right end of the coiled pipe is connected with a second air outlet pipe, an internal thread connecting column is arranged at the position, close to the coiled pipe, inside the shell, a first heat conducting plate is connected to the back side of the first heat conducting plate, a fin is arranged on the back side of the fin, a fixing plate is arranged on the front side of the coiled pipe, a second heat conducting plate is arranged on the front side of the coiled pipe, the precooling evaporator is in sliding connection with a sliding groove, liquid drops are collected through a silk screen, the internal thread connecting column is connected to the inside the through hole, a first screw is arranged at the front end of the internal thread connecting column, the shell is connected with a cover plate on the front side through the second screw, so that the installation and detachment of all parts can be conveniently realized, and the later maintenance cost is reduced.

Description

Precooling evaporator

Technical Field

The utility model relates to the technical field of evaporators, in particular to a precooling evaporator.

Background

In the precooler, cold fluid and hot fluid (compressed air) with the same mass and quantity are subjected to heat exchange according to the temperature difference, so that the temperature and the water content of the hot and humid saturated air inlet can be preliminarily reduced, the heat load of an evaporator can be reduced to a certain extent, and the energy consumption of the whole machine is further reduced.

Currently, the utility model of patent number 202021293377.8 relates to a precooling evaporator, comprising a core, the core comprising a plate bundle module, the plate bundle module comprising a plurality of heat exchange channels, the plurality of heat exchange channels comprising a hot air channel, a dry air and first refrigerant medium channel and a dry air and second refrigerant medium channel, the cooling speed is fast, but the precooling evaporator, during operation, generates heat exchange between the hot air and the cold air, wherein the water vapor of the hot air condenses into liquid water droplets, and the water in the air cannot be removed due to the lack of a gas-liquid separation device, and meanwhile, the structure is complex, a plurality of parts are fixed with each other and are difficult to separate, so that the individual replacement is inconvenient, and the later maintenance cost is high.

The existing precooling evaporator lacks a gas-liquid separation device, cannot remove moisture in air, is complex in structure, and is difficult to replace parts independently, later maintenance cost is high, and the novel precooling evaporator is required to be designed according to the problems.

Disclosure of Invention

The utility model aims to provide a precooling evaporator, which aims to solve the problems that in the background technology, a gas-liquid separation device is lack, parts are difficult to replace independently, and the later maintenance cost is high.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a precooling evaporator, includes the casing, first intake pipe is installed at casing left end top, the casing right side is close to the lower half position and is provided with first outlet duct, the upper end position is close to in the middle of the casing and installs the coiled pipe, coiled pipe left end is connected with the second intake pipe, the second intake pipe passes the casing left side board, coiled pipe right-hand member is connected with the second outlet duct, the second outlet duct passes the casing right side board, the inside internal thread spliced pole that is provided with that is close to of casing, coiled pipe dorsal part is connected with first heat-conducting plate, first heat-conducting plate dorsal part is connected with the fin, the fixed plate is installed to the fin dorsal part, coiled pipe front side is provided with the second heat-conducting plate, second heat-conducting plate front side is connected with another fin, another fixed plate is installed to another fin front end.

Further, the inside intermediate position of casing installs the gas-liquid separation board, be provided with the silk screen in the middle of the gas-liquid separation board, the spout has been seted up to the inside left and right sides of casing, gas-liquid separation board and spout sliding connection, wet air can condense out the liquid droplet at the heat exchange in-process, can collect the liquid droplet through the silk screen, falls under the effect of gravity, and the setting of spout is convenient for realize the installation of gas-liquid separation board simultaneously and tear open.

Further, the second air inlet pipe is connected with the front side of the left end of the first heat-conducting plate through a jacket, and the second air outlet pipe is connected with the front side of the right end of the first heat-conducting plate through a jacket, so that the serpentine pipe can be fixed.

Further, through holes are formed in the positions, close to corners, of the first heat conducting plate, the fins, the fixing plates and the second heat conducting plate, the through holes are internally connected with internal thread connecting columns, first screws are arranged at the front ends of the internal thread connecting columns, the installation and the disassembly of all parts are facilitated, and the later maintenance cost is reduced.

Further, the inside liquid collecting hopper that is close to the lower extreme position of casing installs, liquid collecting hopper bottom is connected with fixed pipe, be provided with the check valve in the middle of the fixed pipe, can collect the liquid drop that falls, the check valve can prevent the backflow when pressure variation simultaneously.

Further, the right side of the lower end of the shell is provided with a drain pipe, a rotary valve is arranged in the middle of the drain pipe, and the rotary valve is opened to drain water inside.

Further, the sealing strip is installed at the position, close to the opening, of the front face of the shell, and the shell is connected with the cover plate on the front side through the second screw, so that the cover plate can be conveniently installed and detached.

Compared with the prior art, the utility model has the beneficial effects that: the precooling evaporator mainly comprises a shell, wherein a gas-liquid separation plate is arranged at the middle position inside the shell, a silk screen is arranged in the middle of the gas-liquid separation plate, sliding grooves are formed in the left side and the right side of the inside of the shell, the gas-liquid separation plate is in sliding connection with the sliding grooves, wet air can condense out liquid drops in the heat exchange process, the liquid drops can be collected through the silk screen and fall under the action of gravity, meanwhile, the setting of the sliding grooves is convenient for the installation and the disassembly of the gas-liquid separation plate, a first heat conducting plate, a fin, a fixing plate and a second heat conducting plate are conveniently arranged, through holes are formed in the positions, close to corners, of the first heat conducting plate, the fixing plate and the second heat conducting plate, an internal thread connecting column is connected to the inner thread connecting column, a first screw is arranged at the front end of the internal thread connecting column, a sealing strip is arranged at the position, close to the front side of the shell, the second screw is connected with a cover plate on the front side, so that all parts can be conveniently installed and disassembled, and the later maintenance cost is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a split structure of the present utility model;

FIG. 3 is a schematic view of a serpentine tube mounting structure of the present utility model;

FIG. 4 is a schematic view of the installation structure of the gas-liquid separation plate of the present utility model.

In the figure: 1. a housing; 2. a first air inlet pipe; 3. a first air outlet pipe; 4. a serpentine tube; 5. a second air inlet pipe; 6. a second air outlet pipe; 7. an internal threaded connection post; 8. a first heat-conducting plate; 9. a fin; 10. a fixing plate; 11. a second heat-conducting plate; 12. a gas-liquid separation plate; 13. a silk screen; 14. a chute; 15. a jacket; 16. a through hole; 17. a first screw; 18. a liquid collecting hopper; 19. a fixed tube; 20. a non-return valve; 21. a drain pipe; 22. a rotary valve; 23. a sealing strip; 24. a second screw; 25. and a cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a precooling evaporator, includes casing 1, first intake pipe 2 is installed at casing 1 left end top, casing 1 right side is close to the lower half position and is provided with first outlet duct 3, the upper end position is close to in the middle of the casing 1 installs coiled pipe 4, coiled pipe 4 left end is connected with second intake pipe 5, second intake pipe 5 passes casing 1 left side board, coiled pipe 4 right-hand member is connected with second outlet duct 6, second outlet duct 6 passes casing 1 right side board, casing 1 is inside to be provided with internal thread spliced pole 7 near coiled pipe 4 position, coiled pipe 4 dorsal part is connected with first heat-conducting plate 8, first heat-conducting plate 8 dorsal part is connected with fin 9, fixed plate 10 is installed to fin 9 dorsal part, coiled pipe 4 front side is provided with second heat-conducting plate 11, second heat-conducting plate 11 front side is connected with another fin 9, another fixed plate 10 is installed to another fin 9 front end, second intake pipe 5 passes through 15 and first heat-conducting plate 8 front side, second intake pipe 6 is connected through 15 and is equipped with first heat-conducting plate 8 front side, second heat-conducting plate 8 front side, and second heat-conducting plate 8 can be fixed through jacket 4 front side through the side that the side is equipped with the side of jacket 4.

The heat-conducting plate 8, the fins 9, the fixing plate 10 and the second heat-conducting plate 11 are close to corner positions and are provided with through holes 16, the through holes 16 are internally connected with inner threaded connecting columns 7, first screws 17 are arranged at the front ends of the inner threaded connecting columns 7, the parts are convenient to mount and dismount, the later maintenance cost is reduced, the gas-liquid separation plate 12 is arranged in the middle of the inside of the shell 1, the silk screen 13 is arranged in the middle of the gas-liquid separation plate 12, sliding grooves 14 are formed in the left side and the right side of the inside of the shell 1, the gas-liquid separation plate 12 is in sliding connection with the sliding grooves 14, wet air can condense out liquid drops in the heat exchange process, the liquid drops can be collected through the silk screen 13, the liquid drops fall under the action of gravity, and meanwhile the setting of the sliding grooves 14 is convenient to mount and dismount the gas-liquid separation plate 12.

In addition, the inside liquid collecting hopper 18 that is close to the lower extreme position of casing 1 installs, liquid collecting hopper 18 bottom is connected with fixed pipe 19, be provided with check valve 20 in the middle of the fixed pipe 19, can collect the liquid drop that falls, check valve 20 can prevent the back flow when pressure variation simultaneously, casing 1 lower extreme right side is provided with drain pipe 21, install rotary valve 22 in the middle of the drain pipe 21, open rotary valve 22, can discharge inside water, casing 1 openly installs sealing strip 23 near the open position, casing 1 passes through second screw 24 and is connected with the apron 25 of front side, the apron 25 is convenient for install and dismantle.

Working principle and using flow: firstly, dry and cold air is sent in through the second air inlet pipe 5, wet and hot air is sent in through the first air inlet pipe 2, when the dry and cold air enters the serpentine pipe 4, heat is conducted to the fins 9 through the first heat conducting plate 8 and the second heat conducting plate 11, heat exchange occurs when the wet and hot air passes through the serpentine pipe, the precooling effect is achieved, the wet air can condense out liquid drops in the heat exchange process, the liquid drops can be collected through the silk screen 13, the liquid drops fall under the action of gravity, the bottom of the liquid collecting hopper 18 is connected with the fixed pipe 19, the check valve 20 is arranged in the middle of the fixed pipe 19, the falling liquid drops can be collected, meanwhile, the check valve 20 can prevent backflow when pressure changes, the dry and cold air is discharged from the second air outlet pipe 6, the hot air subjected to heat exchange is discharged from the first air outlet pipe 3, the first heat conducting plate 8, the fins 9, the fixed plate 10 and the sealing strip second heat conducting plate 11 are all provided with through holes 16 near corner positions, the through holes 16 are internally connected with the internal thread connecting columns 7, the first screws 17 are arranged at the front ends of the internal thread connecting columns 7, the shell 1 is near the opening positions, the front side 23 is provided with the front side screws 24, the front side 25 is connected with the front side cover plates through the second screws 24, the front side 25 is convenient to detach, and maintenance cost is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pre-cooling evaporator comprising a housing (1), characterized in that: the utility model discloses a heat-conducting device for the solar cell module, including casing (1), coiled pipe (4), fixed plate (10) are installed to coiled pipe (4) left end, casing (1) left end top is installed first intake pipe (2), casing (1) right side is close to lower half position and is provided with first outlet duct (3), coiled pipe (4) are installed near upper end position in the middle of casing (1), coiled pipe (4) left end is connected with second intake pipe (5), casing (1) left side board is passed in second intake pipe (5), coiled pipe (4) right-hand member is connected with second outlet duct (6), second outlet duct (6) pass casing (1) right side board, casing (1) inside is provided with female screw connection post (7) near coiled pipe (4) position, coiled pipe (4) dorsal part is connected with first heat-conducting plate (8), first heat-conducting plate (8) dorsal part is connected with fin (9), fixed plate (10) are installed to coiled pipe (4) front side, second heat-conducting plate (11) front side is connected with another fin (9), another fin (10) front end is installed.

2. A pre-chill evaporator according to claim 1, wherein: the gas-liquid separation device is characterized in that a gas-liquid separation plate (12) is arranged in the middle of the inside of the shell (1), a silk screen (13) is arranged in the middle of the gas-liquid separation plate (12), sliding grooves (14) are formed in the left side and the right side of the inside of the shell (1), and the gas-liquid separation plate (12) is in sliding connection with the sliding grooves (14).

3. A pre-chill evaporator according to claim 1, wherein: the second air inlet pipe (5) is connected with the front side of the left end of the first heat-conducting plate (8) through a jacket (15), and the second air outlet pipe (6) is connected with the front side of the right end of the first heat-conducting plate (8) through the jacket (15).

4. A pre-chill evaporator according to claim 1, wherein: through holes (16) are formed in the positions, close to corners, of the first heat conducting plate (8), the fins (9), the fixing plate (10) and the second heat conducting plate (11), the through holes (16) are internally connected with internal threaded connecting columns (7), and first screws (17) are arranged at the front ends of the internal threaded connecting columns (7).

5. A pre-chill evaporator according to claim 1, wherein: the novel water-collecting device is characterized in that a liquid collecting hopper (18) is arranged in the shell (1) and close to the lower end, a fixed pipe (19) is connected to the bottom of the liquid collecting hopper (18), and a check valve (20) is arranged in the middle of the fixed pipe (19).

6. A pre-chill evaporator according to claim 1, wherein: the right side of the lower end of the shell (1) is provided with a drain pipe (21), and a rotary valve (22) is arranged in the middle of the drain pipe (21).

7. A pre-cooling evaporator according to claim 1, characterized in that the front side of the housing (1) is provided with sealing strips (23) near the opening, the housing (1) being connected to the front side cover plate (25) by means of second screws (24).