CN215523832U

CN215523832U - Refrigerant distributing device of flooded evaporator

Info

Publication number: CN215523832U
Application number: CN202121268839.5U
Authority: CN
Inventors: 刘粉明; 付圣东; 王鹤林
Original assignee: Nanjing Tianyuan Heavy Equipment Co ltd
Current assignee: Nanjing Tianyuan Heavy Equipment Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-14
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a refrigerant distribution device of a flooded evaporator, which relates to the field of evaporators and comprises an evaporator, wherein a water inlet and a water outlet are fixedly connected to one side of the evaporator, a refrigerant inlet is vertically and downwards fixedly connected to the side wall of the evaporator, a gas refrigerant outlet is vertically and upwards fixedly connected to the side wall of the evaporator, the refrigerant inlet and the gas refrigerant outlet are both communicated with the evaporator, a cavity is formed in the evaporator, a refrigerant distribution unit is arranged in the cavity, and the refrigerant distribution unit is used for adjusting the flow of refrigerant. The liquid refrigerant flow control device is reasonable in structure, the gear rotates to drive the accurate baffle to shield the flow holes formed in the distribution plate, and the size of the flow holes formed in the accurate baffle and the size of the flow holes formed in the distribution plate are overlapped with each other, so that the size of the flow holes can be adjusted, the input quantity of liquid refrigerants can be adjusted, the waste of resources is avoided, and the accuracy of the input of the liquid refrigerants is realized.

Description

Refrigerant distributing device of flooded evaporator

Technical Field

The utility model relates to the field of evaporators, in particular to a refrigerant distribution device of a flooded evaporator.

Background

The evaporator is an essential part in the refrigeration equipment, and the flooded evaporator is one of the evaporators. The refrigerant is converted from liquid form to gas form in the flooded evaporator, absorbs heat for refrigeration, and then is recycled to the compressor.

CN 203489545U discloses a refrigerant distribution device of a flooded evaporator, which is located at the bottom of the inner cavity of the evaporator and opposite to the refrigerant inlet, the refrigerant distribution device of the flooded evaporator comprises a rectangular distribution plate, the distribution plate is provided with distribution holes, and the distribution holes are arranged in a row in the transverse direction of the distribution plate.

Above-mentioned refrigerant distributor has solved during the refrigerant gets into flooded evaporator from the refrigerant entry, uneven phenomenon can appear distributing in the liquid refrigerant, cause heat exchange efficiency low, but still appear a very important problem and can not solve, be exactly that above-mentioned refrigerant distributor is when carrying out the refrigerant distribution, all be the liquid refrigerant flow via the distribution hole that sets up on the distribution plate, the size of distribution hole can not change, can not realize accurate refrigerant distribution, can lead to the wasting of resources, consequently, this application provides flooded evaporator's refrigerant distributor to satisfy the demand.

SUMMERY OF THE UTILITY MODEL

An object of the present application is to provide a refrigerant distribution device of a flooded evaporator to solve the problems mentioned in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions:

the refrigerant distribution device of the flooded evaporator comprises an evaporator, wherein a water inlet and a water outlet are fixedly connected to one side of the evaporator, a refrigerant inlet is fixedly connected to the side wall of the evaporator in a vertical downward mode, a gas refrigerant outlet is fixedly connected to the side wall of the evaporator in a vertical upward mode, the refrigerant inlet and the gas refrigerant outlet are communicated with the evaporator, a cavity is formed in the evaporator, a refrigerant distribution unit is arranged in the cavity, and the refrigerant distribution unit is used for flow regulation of refrigerants.

Preferably, the refrigerant distribution unit comprises a distribution plate fixedly connected to the inner wall of the evaporator, a plurality of flow holes penetrating completely are formed in the inner side of the distribution plate, a limiting plate is fixedly connected to the top end of the distribution plate, a sliding groove is formed in one side of the limiting plate, a pair of symmetrical accurate baffles are slidably connected in the sliding groove, flow holes corresponding to the distribution plate are formed in the inner side of each accurate baffle, a tooth groove is formed in one side of each accurate baffle, and a gear is meshed with the tooth groove.

Preferably, the locating plate is fixedly connected with one side of the distributing plate, one side of the gear is rotatably connected to the locating plate, the other side of the gear is fixedly connected with a rotating rod penetrating through the evaporator shell, a sealing ring is arranged at the position where the evaporator is connected, and a twisting sleeve is fixedly connected with the outer side of the other end of the rotating rod.

Preferably, the outer end face of the evaporator is fixedly connected with lantern rings which are symmetrically arranged, the outer sides of the lantern rings are fixedly connected with supporting columns, and the other end of the evaporator is fixedly connected with a sealing end.

Preferably, the pair of precision baffles are positioned below the distribution plate, and the cross-sectional area of the flow hole is gradually increased from the central position to the end of the distribution plate.

In conclusion, the technical effects and advantages of the utility model are as follows:

1. the liquid refrigerant distribution plate is reasonable in structure, the gear rotates to drive the accurate baffle to shield the flow holes formed in the distribution plate, and the size of the flow holes formed in the accurate baffle and the size of the flow holes formed in the distribution plate are overlapped with each other, so that the size of the flow holes can be adjusted, the input quantity of liquid refrigerants can be adjusted, the waste of resources is avoided, the accuracy of the input of the liquid refrigerants is realized, and the utilization rate of the resources is improved;

2. according to the utility model, through the separate arrangement of the pair of accurate baffles, the twisting sleeve is respectively rotated anticlockwise or clockwise to drive the gear fixedly connected with the other end to rotate through the rotating rod, the gear drives the accurate baffles to move leftwards or rightwards through the tooth grooves arranged on one side of the accurate baffles, and through the shielding of the flow holes arranged on the distribution plate by the accurate baffles, the input amount of liquid refrigerants on two sides can be separately adjusted, so that the flexibility of the utility model is improved, and the utility model has higher practicability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 3 is a schematic perspective view of a portion of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. an evaporator; 2. a water inlet; 3. a water outlet; 4. a refrigerant inlet; 5. a gaseous refrigerant outlet; 6. a collar; 7. a support pillar; 8. a distribution plate; 9. a limiting plate; 10. a precision baffle; 11. a flow orifice; 12. a gear; 13. positioning a plate; 14. rotating the rod; 15. twisting the sleeve; 16. a tooth socket; 17. and sealing the end heads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, the refrigerant distribution device of a flooded evaporator includes an evaporator 1, one side of the evaporator 1 is fixedly connected with a water inlet 2 and a water outlet 3, a refrigerant inlet 4 is vertically and downwardly fixedly connected to a sidewall of the evaporator 1, a gas refrigerant outlet 5 is vertically and upwardly fixedly connected to a sidewall of the evaporator 1, both the refrigerant inlet 4 and the gas refrigerant outlet 5 are communicated with the evaporator 1, a cavity is formed in the evaporator 1, a refrigerant distribution unit is disposed in the cavity and used for flow rate adjustment of a refrigerant, a counterclockwise or clockwise twisting sleeve 15 drives a gear 12 fixedly connected to the other end of the twisting sleeve to rotate through a rotating rod 14, the gear 12 drives a precise baffle 10 to move leftwards or rightwards through a tooth socket 16 disposed on one side of the precise baffle 10, and shields a flow rate hole disposed on the distribution plate 8 through the precise baffle 10, and the size of the flow holes 11 of the precise baffle 10 and the size of the flow holes on the distributing plate 8 are overlapped with each other, so that the size of the flow holes 11 can be adjusted, the input quantity of the liquid refrigerant can be adjusted, the precise input of the liquid refrigerant can be carried out, and the waste of resources can be avoided.

Referring to fig. 3, the refrigerant distribution unit includes a distribution plate 8 fixedly connected to an inner wall of the evaporator 1, a plurality of flow holes 11 completely penetrating through the inner side of the distribution plate 8, a position-limiting plate 9 fixedly connected to a top end of the distribution plate 8, a sliding groove formed in one side of the position-limiting plate 9, a pair of symmetrical precise baffles 10 slidably connected in the sliding groove, flow holes 11 corresponding to the distribution plate 8 formed in an inner side of the precise baffle 10, a tooth space 16 formed in one side of the precise baffle 10, a gear 12 engaged with the tooth space 16, and a liquid refrigerant flowing upward through the flow holes 11 formed in the inner side of the distribution plate 8 to uniformly distribute the liquid refrigerant, and the size of the flow holes 11 is adjusted according to a refrigeration workload required by the apparatus, and the size of the flow holes 11 is adjusted by shielding the precise baffle 10 from the flow holes formed in the distribution plate 8, so as to adjust an input amount of the liquid refrigerant, and carrying out accurate input of the liquid refrigerant.

Referring to fig. 3, one side of the distribution plate 8 is fixedly connected with a positioning plate 13, one side of the gear 12 is rotatably connected to the positioning plate 13, the other side of the gear 12 is fixedly connected with a rotating rod 14 penetrating through the shell of the evaporator 1, a sealing ring is arranged at the joint of the rotating rod 14 and the evaporator 1, and a twisting sleeve 15 is fixedly connected to the outer side of the other end of the rotating rod 14, so that the distribution amount of the liquid refrigerant can be adjusted directly by rotating the rotating rod 14, and the operation is convenient.

Referring to fig. 1, the outer end face of the evaporator 1 is fixedly connected with symmetrically arranged lantern rings 6, the outer sides of the lantern rings 6 are fixedly connected with supporting columns 7, the other end of the evaporator 1 is fixedly connected with a sealing end 17, the other end of the evaporator 1 is fixedly connected with the sealing end 17, the supporting columns 7 play a role in fixing the evaporator 1, and the sealing end 17 ensures the sealing performance of the evaporator 1.

Referring to fig. 1, a pair of precision baffles 10 are disposed below the distribution plate 8, and the cross-sectional area of the flow holes 11 gradually increases from the center of the distribution plate 8 to the end thereof, so that the flow of the liquid refrigerant is more uniform.

This practical theory of operation: the utility model adopts an external power supply for supplying power, liquid refrigerant is led in through a refrigerant inlet 4, the liquid refrigerant flows upwards through flow holes 11 arranged on the inner side of a distributing plate 8, so that the liquid refrigerant is uniformly distributed, meanwhile, the accessible size of the flow holes 11 is adjusted according to the required refrigeration workload of the equipment, a twisting sleeve 15 is twisted anticlockwise or clockwise to drive a gear 12 fixedly connected with the other end to rotate through a rotating rod 14, the gear 12 drives a precise baffle plate 10 to move leftwards or rightwards through a tooth groove 16 arranged on one side of the precise baffle plate 10, the flow holes arranged on the distributing plate 8 are shielded through the precise baffle plate 10, and the flow holes of the precise baffle plate 10 and the flow holes on the distributing plate 8 are mutually overlapped to adjust the size of the accessible flow holes 11, thereby adjusting the input amount of the liquid refrigerant, performing precise input of the liquid refrigerant and avoiding the waste of resources, the liquid refrigerant absorbs heat and then is converted into a gas state, the gas refrigerant flows to the compressor from the gas refrigerant outlet 5, cold water is led in through the water inlet 2 and led out through the water outlet 3, the size of the accessible part of the flow holes in the distribution plate 8 is adjusted, the accuracy of liquid refrigerant input is realized, and the utilization rate of resources is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Refrigerant distributor of flooded evaporator, including evaporimeter (1), its characterized in that: the evaporator is characterized in that a water inlet (2) and a water outlet (3) are fixedly connected to one side of the evaporator (1), a refrigerant inlet (4) is vertically and downwardly and fixedly connected to the side wall of the evaporator (1), a gas refrigerant outlet (5) is vertically and upwardly and fixedly connected to the side wall of the evaporator (1), the refrigerant inlet (4) and the gas refrigerant outlet (5) are communicated with the evaporator (1), a cavity is formed in the evaporator (1), a refrigerant distribution unit is arranged in the cavity, and the refrigerant distribution unit is used for flow adjustment of refrigerants.

2. The refrigerant distribution device of a flooded evaporator according to claim 1, wherein: refrigerant distribution unit includes distributing plate (8) of fixed connection in evaporimeter (1) inner wall, a plurality of flow hole (11) that run through completely are seted up to the inboard of distributing plate (8), distributing plate (8) top fixedly connected with limiting plate (9), the spout has been seted up to limiting plate (9) one side, sliding connection has a pair of accurate baffle (10) that are the symmetry setting in the spout, accurate baffle (10) inboard seted up with distributing plate (8) corresponding flow hole (11), tooth's socket (16) have been seted up to accurate baffle (10) one side, tooth's socket (16) meshing has gear (12).

3. The refrigerant distribution device of a flooded evaporator according to claim 1, wherein: distributing plate (8) one side fixedly connected with locating plate (13), gear (12) one side is rotated and is connected in locating plate (13), gear (12) opposite side fixedly connected with run through in dwang (14) of evaporimeter (1) shell, dwang (14) with the position that evaporimeter (1) meets the department is provided with the sealing ring, cover (15) are wrench movement to dwang (14) other end outside fixedly connected with.

4. The refrigerant distribution device of a flooded evaporator according to claim 1, wherein: the outer terminal surface fixedly connected with of evaporimeter (1) is lantern ring (6) that the symmetry set up, lantern ring (6) outside fixedly connected with support column (7), evaporimeter (1) other end fixedly connected with sealing end (17).

5. The refrigerant distribution device of a flooded evaporator according to claim 2, characterized in that: a pair of the precise baffles (10) are positioned below the distribution plate (8), and the cross-sectional area of the flow holes (11) is gradually increased from the central position to the end of the distribution plate (8).