An annular drum evaporator for achieving uniform flow distribution of gas-liquid two-phase refrigerant

Abstract

The present invention relates to the technical field of evaporator evaporation barrels, specifically an annular drum evaporation barrel that realizes uniform flow diversion of gas-liquid two-phase refrigerant, comprising an outer barrel, an inner barrel is arranged inside the outer barrel, and a liquid retaining assembly is welded on the outside of the inner barrel, a liquid inlet assembly is installed by bolts near the top of the outer wall of the side of the inner barrel, and the liquid inlet assembly includes a liquid inlet pipe, and the inner wall of the side of the liquid inlet pipe is provided with through holes distributed in an annular structure at equal distances near the bottom, and a liquid inlet port is provided on the outer wall of one side of the liquid inlet pipe, and a connecting pipe is integrally formed inside the liquid inlet port, and a connecting sleeve is threadedly connected to the top of the connecting pipe, and a filter is inserted inside the connecting sleeve. Beneficial effects of the present invention The refrigerant will flow evenly on the outer wall of the side of the inner barrel through the liquid inlet pipe, and the diversion block can divert the refrigerant when it flows out of the liquid inlet pipe, so that the refrigerant is evenly distributed on the outer wall of the inner barrel; at the same time, the liquid retaining plates are arranged in a staggered manner layer by layer, so that the refrigerant flows evenly on the outer wall of the side of the inner barrel.

Description

Technical Field

[0001] The invention relates to the technical field of evaporator drums, in particular to an annular drum drum for realizing uniform flow division of gas-liquid two-phase refrigerant. Background Art

[0002] An ice maker is a refrigeration mechanical device that generates ice by cooling water through an evaporator with the refrigerant of the refrigeration system. It uses a refrigeration system and water as a carrier to make ice by passing it through a certain device under power-on conditions. Ice makers are widely used in my country's industry and commerce. Currently, the ice makers on the market use an evaporating barrel as an evaporating device to obtain ice.

[0003] Chinese patent number CN210014590U provides an evaporation barrel of a spiral pipe flake ice machine, comprising a driving motor, a reducer and an outer cylinder, wherein the driving motor and the reducer are both fixed on the outer cylinder, and the output shaft of the driving motor is drivingly connected to the reducer; an inner cylinder is fixed in the outer cylinder, and a sealed cooling chamber is provided between the outer cylinder and the inner cylinder, and a first cooling pipe is wound on the outer wall of the inner cylinder, the first cooling pipe is fitted with the outer wall of the inner cylinder, and the first cooling pipe is fitted with the inner wall of the outer cylinder; the first cooling pipe is located in the cooling chamber, and a cooling cavity is provided in the cooling chamber, and the cooling cavity is formed by the inner wall of the outer cylinder, the outer wall of the inner cylinder and the outer wall of the first cooling pipe, the first cooling pipe is connected to the cooling cavity, the first cooling pipe is connected to the cooling liquid outlet of the compressor, and the cooling cavity is connected to the cooling liquid inlet of the compressor.

[0004] At present, the evaporator barrel of the existing ice-making machine evaporator generally has the problem of uneven liquid distribution during evaporation. At the same time, the existing evaporator barrel cannot fully utilize the heat exchange area of ​​the evaporator barrel, which will cause low heat exchange efficiency and small ice production. Therefore, it is urgent to design an annular drum evaporator barrel that can achieve uniform diversion of gas-liquid two-phase refrigerant to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide an annular drum evaporator that realizes uniform gas-liquid two-phase refrigerant flow separation, so as to solve the problems of uneven refrigerant liquid separation in the evaporator drum of the ice maker evaporator and low heat exchange efficiency inside the evaporator drum proposed in the above background technology.

[0006] The technical solution of the present invention is: an annular drum evaporator barrel for realizing uniform flow diversion of gas-liquid two-phase refrigerant, comprising an outer barrel, an inner barrel is arranged inside the outer barrel, and a liquid blocking assembly is welded to the outside of the inner barrel, a liquid inlet assembly is installed by bolts on the outer wall of the side surface of the inner barrel near the top, the liquid inlet assembly comprises a liquid inlet pipe, the inner wall of the side surface of the liquid inlet pipe is provided with through holes distributed in an annular structure at equal distances near the bottom, a liquid inlet port is provided on the outer wall of one side of the liquid inlet pipe, a connecting pipe is integrally formed inside the liquid inlet port, and a connecting sleeve is threadedly connected to the top end of the connecting pipe, a filter is inserted inside the connecting sleeve, an air return pipe is installed by bolts on the outer wall of the side surface of the inner barrel near the bottom, an air inlet is provided on the outer wall of one side of the return pipe, and supports distributed in an annular structure at equal distances are welded on the outer wall of the bottom of the return pipe.

[0007] Furthermore, thread grooves are provided on the inner wall of the side surface of the connecting sleeve near both ends, and the top end of the connecting pipe is threadedly connected to the inside of one of the thread grooves.

[0008] Furthermore, the liquid blocking assembly includes three brackets, liquid blocking plates with equidistant structures are welded between the three brackets, and liquid leakage holes with equidistant structures in annular structures are opened on the inner walls of the side surfaces of the liquid blocking plates.

[0009] Furthermore, the outer wall at the bottom of the liquid baffle plate is integrally formed with convex blocks which are distributed in an annular structure at equal distances, and a slot hole is left between two adjacent convex blocks.

[0010] Furthermore, the slots are provided with diverter plates which are distributed in an annular structure at equal distances, and the diverter plates are in contact with the inner barrel.

[0011] Furthermore, the inner wall of the side of the liquid baffle is provided with equidistantly distributed plug holes in a ring structure, and the bracket is welded inside the plug holes.

[0012] Furthermore, the liquid baffle comprises a base layer, an anti-corrosion layer is sprayed on the top outer wall and the bottom outer wall of the base layer, and a hydrophobic layer is sprayed on the outer wall of the anti-corrosion layer away from the base layer.

[0013] Furthermore, ear plates distributed in a ring structure at equal distances are welded on the inner wall of the side of the liquid inlet pipe, and a mounting hole is opened on the outer wall of one side of the ear plate.

[0014] Furthermore, diverter blocks are welded on the inner wall of the inner barrel side near the top and are distributed in an annular structure at equal distances, and the diverter blocks are located directly below the leakage hole.

[0015] Furthermore, a long protrusion with a spiral structure is welded on the inner wall of the inner barrel side, and a water flow groove is left between two adjacent long protrusions.

[0016] The present invention provides an annular drum evaporator for realizing uniform flow distribution of gas-liquid two-phase refrigerant through improvement. Compared with the prior art, the present invention has the following improvements and advantages:

[0017] (1) With the liquid inlet assembly and the diverter block designed in the present invention, when the evaporator barrel of the ice maker is used, the refrigerant will flow evenly on the outer wall of the inner barrel through the through hole on the liquid inlet pipe, and the diverter block can divert the refrigerant when it flows out of the liquid inlet pipe, so that the refrigerant is evenly distributed on the outer wall of the inner barrel.

[0018] (2) The liquid baffle assembly designed by the present invention, when using the evaporator barrel, is arranged in a staggered manner between layers, so that the refrigerant can flow from different positions of the liquid baffles on the outer wall of the inner barrel side, thereby making the refrigerant evenly distributed on the inner barrel.

[0019] (3) The long protrusions designed by the present invention can increase the area of ​​the inner wall of the inner barrel side when the evaporator barrel is used, thereby improving the efficiency of heat exchange between the fluid inside the inner barrel and the refrigerant, and increasing the ice making capacity.

[0020] (4) The hydrophobic layer and anti-corrosion layer designed in the present invention can improve the corrosion resistance of the liquid baffle when the evaporator is used for a long time, thereby increasing the service life of the liquid baffle. At the same time, the hydrophobic layer makes it easier for the refrigerant on the liquid baffle to quickly gather together, so as to improve the hydrophobicity of the liquid baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further explained below in conjunction with the accompanying drawings and Examples:

[0022] Figure 1 This is a three-dimensional diagram of the overall structure of the evaporation barrel of the present invention.

[0023] Figure 2 It is a schematic diagram of the overall structure of the evaporation barrel of the present invention;

[0024] Figure 3 is a cross-sectional view of the inner barrel structure of the present invention;

[0025] Figure 4 It is a schematic structural diagram of the liquid retaining assembly of the present invention;

[0026] Figure 5 is a top view of the inner barrel structure of the present invention;

[0027] Figure 6 It is a schematic diagram of the structure of the liquid baffle plate of the present invention;

[0028] Figure 7 is a cross-sectional view of the liquid inlet assembly structure of the present invention;

[0029] Figure 8It is a schematic diagram of the structure of the liquid inlet pipe of the present invention;

[0030] Fig. 9 It is a schematic diagram of the structure of the liquid baffle material of the present invention.

[0031] Description of reference numerals:

[0032] 1 outer barrel, 2 inner barrel, 3 liquid retaining assembly, 4 air return pipe, 5 support, 6 air inlet, 7 liquid retaining plate, 8 bracket, 9 jack, 10 leakage hole, 11 protrusion, 12 slot hole, 13 diverter plate, 14 long protrusion, 15 liquid inlet pipe, 16 through hole, 17 liquid inlet, 18 ear plate, 19 mounting hole, 20 connecting pipe, 21 connecting sleeve, 22 filter screen, 23 threaded groove, 24 base layer, 25 anti-corrosion layer, 26 hydrophobic layer, 27 diverter block, 28 liquid inlet assembly. DETAILED DESCRIPTION

[0033] The following will be combined with the attached Figures 1 to 9 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0036] The present invention provides an annular drum evaporator drum that realizes uniform flow distribution of gas-liquid two-phase refrigerant through improvement. Figure 1-Figure 9As shown, it includes an outer barrel 1, an inner barrel 2 is arranged inside the outer barrel 1, and a liquid blocking component 3 is welded on the outside of the inner barrel 2, the liquid blocking component 3 facilitates the uniform distribution of the refrigerant, and a liquid inlet component 28 is installed by bolts near the top of the side outer wall of the inner barrel 2, and the liquid inlet component 28 includes a liquid inlet pipe 15, the liquid inlet pipe 15 facilitates the refrigerant to flow evenly on the side outer wall of the inner barrel 2, and the side inner wall of the liquid inlet pipe 15 is provided with through holes 16 distributed in an annular structure at equal distances near the bottom, and the through holes 16 facilitate the refrigerant in the liquid inlet pipe 15 to be diverted on the side outer wall of the inner barrel 2, and a liquid inlet port 17 is provided on the outer wall of one side of the liquid inlet pipe 15, and a connecting pipe 20 is integrally formed inside the liquid inlet port 17, and the connecting pipe 20 facilitates the installation of a connecting sleeve 21, and the top of the connecting pipe 20 is threadedly connected to the connecting sleeve 21, and a filter screen 22 is inserted inside the connecting sleeve 21, and the filter screen 22 can filter the refrigerant. An air return pipe 4 is installed on the outer wall of the side of the inner barrel 2 near the bottom end by bolts, and an air inlet 6 is opened on the outer wall of one side of the air return pipe 4. Supports 5 distributed in a ring structure at equal distances are welded on the outer wall at the bottom of the air return pipe 4 to facilitate supporting the air return pipe 4.

[0037] Furthermore, thread grooves 23 are provided on the inner wall of the side surface of the connecting sleeve 21 near both ends. The thread grooves 23 are convenient for installing the connecting sleeve 21 , and the top end of the connecting pipe 20 is threadedly connected to the inside of one of the thread grooves 23 .

[0038] Furthermore, the liquid baffle assembly 3 includes three brackets 8, and liquid baffle plates 7 with equidistant structural distribution are welded between the three brackets 8. The multiple liquid baffle plates 7 are arranged in a staggered manner layer by layer to ensure uniform refrigerant diversion, and leakage holes 10 with equidistant circular structure distribution are provided on the inner wall of the side of the liquid baffle plate 7. The leakage holes 10 are used to allow the refrigerant accumulated on the liquid baffle plate 7 to flow into the next liquid baffle plate 7.

[0039] Furthermore, the outer wall at the bottom of the liquid baffle 7 is integrally formed with equidistantly distributed annular structures of protrusions 11, which facilitate welding of the liquid baffle 7 to the inner barrel 2, and a slot 12 is left between two adjacent protrusions 11, which facilitates the refrigerant to pass through the liquid baffle 7.

[0040] Furthermore, the slots 12 are provided with diverter plates 13 which are distributed in an annular structure at equal distances. The diverter plates 13 can divert the refrigerant flowing through the slots 12 and the liquid baffle plate 7 , and the diverter plates 13 are in contact with the inner barrel 2 .

[0041] Furthermore, the inner wall of the side of the liquid baffle plate 7 is provided with equidistantly distributed insertion holes 9 in a ring structure, and the insertion holes 9 facilitate the welding of the bracket 8 on the liquid baffle plate 7 , and the bracket 8 is welded inside the insertion holes 9 .

[0042] Furthermore, the liquid baffle 7 includes a base layer 24, and an anti-corrosion layer 25 is sprayed on the top outer wall and the bottom outer wall of the base layer 24. The anti-corrosion layer 25 can improve the corrosion resistance of the liquid baffle 7, thereby improving the service life of the liquid baffle 7, and a hydrophobic layer 26 is sprayed on the outer wall of the anti-corrosion layer 25 on the side away from the base layer 24. The hydrophobic layer 26 facilitates the refrigerant on the liquid baffle 7 to quickly gather together, so as to improve the hydrophobicity of the liquid baffle 7.

[0043] Furthermore, ear plates 18 are welded on the inner wall of the side of the liquid inlet pipe 15 and are distributed in a ring structure at equal distances. The ear plates 18 facilitate the installation of the liquid inlet assembly 28 on the inner barrel 2 with bolts, and a mounting hole 19 is opened on the outer wall of one side of the ear plate 18.

[0044] Furthermore, diverter blocks 27 are welded on the inner wall of the side of the inner barrel 2 near the top and are distributed in an annular structure at equal distances. The diverter blocks 27 can divert the refrigerant flowing out of the liquid inlet pipe 15 again, and the diverter blocks 27 are located directly below the leakage hole 10.

[0045] Furthermore, a long protrusion 14 with a spiral structure is welded on the inner wall of the side of the inner barrel 2. The long protrusion 14 can increase the area of ​​the inner wall of the side of the inner barrel 2, thereby improving the efficiency of heat exchange between the internal fluid of the inner barrel 2 and the refrigerant, increasing the ice making amount, and a water flow groove is left between two adjacent long protrusions 14.

[0046] The working principle of the present invention is as follows: when the ice maker is used to make ice, the staff can start the evaporator of the ice maker, and the refrigerant will enter the connecting sleeve 21 through the pipe threadedly connected to the connecting sleeve 21, and then flow into the connecting pipe 20 after being filtered by the diverter plate 13, and then flow into the liquid inlet pipe 15, and then flow to the outer wall of the side of the inner barrel 2 through the through hole 16 on the liquid inlet pipe 15. At this time, when the refrigerant remains on the outer wall of the side of the inner barrel 2, the refrigerant will be diverted by the diverter block 27, so that the refrigerant can flow evenly on the outer wall of the side of the inner barrel 2, and then the refrigerant will flow in the liquid blocking component 3 under the action of gravity. At this time, the refrigeration The refrigerant will continue to flow through the slot 12. At this time, the diverter plate 13 can divert the refrigerant so that the refrigerant remains evenly on the inner wall of the side of the inner barrel 2. At the same time, when the refrigerant flows on the liquid baffle plate 7, when there is too much refrigerant on the liquid baffle plate 7, the refrigerant will enter the next liquid baffle plate 7 through the leakage hole 10, and then flow into the slot 12 through the hydrophobic effect of the hydrophobic layer 26 and the inclination of the liquid baffle plate 7, and then flow on the inner wall of the side of the inner barrel 2. At the same time, the long protrusion 14 can increase the area of ​​the inner wall of the side of the inner barrel 2, thereby improving the efficiency of heat exchange between the internal fluid of the inner barrel 2 and the refrigerant, so as to increase the ice making capacity of the evaporator.

[0047] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one 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 rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant, characterized in that: The invention comprises an outer barrel (1), an inner barrel (2) is arranged inside the outer barrel (1), and a liquid blocking component (3) is welded to the outside of the inner barrel (2), a liquid inlet component (28) is installed by bolts near the top of the side outer wall of the inner barrel (2), and the liquid inlet component (28) comprises a liquid inlet pipe (15), and the side outer wall of the liquid inlet pipe (15) is provided with through holes (16) distributed in an annular structure at equal distances near the bottom, and a liquid inlet port (17) is provided on the outer wall of one side of the liquid inlet pipe (15), and a connecting pipe (20) is integrally formed inside the liquid inlet port (17), and the top end of the connecting pipe (20) is threadedly connected to the connecting pipe (20). A connecting sleeve (21) is connected, a filter screen (22) is inserted inside the connecting sleeve (21), a return air pipe (4) is installed on the side outer wall of the inner barrel (2) near the bottom end by bolts, and an air inlet (6) is provided on the outer wall of one side of the return air pipe (4), supports (5) are welded on the bottom outer wall of the return air pipe (4) and are distributed in an annular structure at equal distances, the liquid blocking assembly (3) comprises three brackets (8), liquid blocking plates (7) are welded between the three brackets (8) and are distributed in an annular structure at equal distances, and leakage holes (10) are provided on the side inner wall of the liquid blocking plate (7) and are distributed in an annular structure at equal distances.

2. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 1, characterized in that: The inner wall of the side surface of the connecting sleeve (21) is provided with thread grooves (23) near both ends, and the top end of the connecting pipe (20) is threadedly connected inside one of the thread grooves (23).

3. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 1, characterized in that: The outer wall at the bottom of the liquid baffle plate (7) is integrally formed with equidistantly distributed protrusions (11) in a ring structure, and a slot (12) is left between two adjacent protrusions (11).

4. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 3, characterized in that: The slots (12) are provided with flow dividers (13) distributed in an annular structure at equal distances, and the flow dividers (13) are in contact with the inner barrel (2).

5. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 1, characterized in that: The inner wall of the side of the liquid baffle plate (7) is provided with insertion holes (9) distributed in an annular structure at equal distances, and the bracket (8) is welded inside the insertion holes (9).

6. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 5, characterized in that: The liquid baffle (7) comprises a base layer (24), an anti-corrosion layer (25) is sprayed on the top outer wall and the bottom outer wall of the base layer (24), and a hydrophobic layer (26) is sprayed on the outer wall of the anti-corrosion layer (25) on a side away from the base layer (24).

7. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 1, characterized in that: Ear plates (18) distributed in an annular structure at equal distances are welded on the inner wall of the side of the liquid inlet pipe (15), and a mounting hole (19) is opened on the outer wall of one side of the ear plate (18).

8. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 1, characterized in that: Diverter blocks (27) are welded to the outer wall of the side of the inner barrel (2) near the top and are distributed in an annular structure at equal distances, and the diverter blocks (27) are located directly below the leakage hole (10).

9. The annular drum evaporator for achieving uniform flow separation of gas-liquid two-phase refrigerant according to claim 1, characterized in that: A long strip protrusion (14) with a spiral structure is welded on the inner wall of the side of the inner barrel (2), and a water flow groove is left between two adjacent long strip protrusions (14).

Images