Liquid level self-balancing flooded evaporator

By introducing a self-balancing tube assembly and pipe reinforcement structure into the flooded evaporator, the problem of refrigerant level imbalance was solved, achieving self-balancing of the liquid level in each chamber, and improving the heat exchange efficiency of the evaporator and the stability of the connecting pipes.

CN223596244UActive Publication Date: 2025-11-25SHANGHAI TEYI PRESSURE VESSEL CO LTD
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Patent Information

Application Number
CN202423261326.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In flooded evaporators, the refrigerant level in each chamber becomes unbalanced under different water temperatures and operating loads, causing some heat exchange tubes to dry out, which affects the heat exchange effect and performance.

Method used

A self-balancing flooded evaporator was designed. The refrigerant level in each chamber is self-balanced through a self-balancing tube assembly and a pipe reinforcement structure. The first and second connecting pipes form a communicating vessel structure. The connecting pipes are limited and fixed by a fixing frame and an arc plate to improve stability.

Benefits of technology

Under various operating conditions, the refrigerant level in each chamber is self-balanced, making full use of the heat exchange area, improving evaporator performance, and extending the service life of the connecting pipes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223596244U_ABST
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Abstract

The utility model belongs to the technical field of evaporators, and particularly relates to a liquid level self-balancing flooded evaporator which comprises a cylinder, supporting frames are symmetrically arranged on the two sides of the cylinder, a plurality of heat exchange tube mounting frames are arranged in the cylinder, a self-balancing tube assembly is arranged on any side of the cylinder, and the self-balancing tube assembly is arranged on the other side of the cylinder. A pipeline reinforcing structure is arranged at the bottom end of the self-balancing pipe assembly; through cooperative use of the first connecting pipe and the second connecting pipe, the space in the cylinder is divided into a plurality of cavities by the heat exchange pipe mounting frame, and refrigerating fluid in each cavity can be conveyed into the first connecting pipe through the second connecting pipe, so that each cavity can form a communicating vessel structure; therefore, the evaporator can realize the liquid level self-balance of the refrigerant in each chamber under various operation conditions, the heat exchange area of the heat exchange tube is fully used, and the performance of the flooded evaporator is ensured to the greatest extent.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to evaporator technical field, concretely relates to a full -liquid type evaporator of liquid level self -balancing. BACKGROUND

[0002] Evaporator is heat exchange equipment, is widely used in refrigeration, air conditioning, refrigeration, air treatment etc. system, its main function is liquid refrigerant heat absorption evaporates into gaseous state, through this process takes away the heat of surrounding environment, thereby realizes the cooling or refrigeration, wherein, full -liquid type evaporator as the main part of refrigeration system, when working at different water temperature condition and operation load, distributor can not guarantee under various operating conditions even distribution refrigerant to each chamber, water temperature gradually reduces along the flow direction, the heat exchange temperature difference between each chamber refrigerant and water is different, simultaneously, the relative position of each chamber and air outlet is different, close to the area of air outlet, refrigerant gas flow rate is larger, makes the refrigerant evaporation capacity of each chamber to exist difference, leads to the refrigerant liquid level of each chamber imbalance, the chamber of liquid level lower can be short of refrigerant liquid, and part heat exchange pipe area appears dry pipe, cannot play the heat exchange effect, leads to the performance of full -liquid type evaporator difference;

[0003] To solve the above problems, a full-liquid evaporator with self-balancing liquid level is provided in the present application. Utility model content

[0004] To solve the problems raised in the background art, the utility model provides a full-liquid evaporator with self-balancing liquid level, which has the characteristic of achieving self-balancing of the refrigerant liquid level in each chamber.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a full-liquid evaporator with self-balancing liquid level, comprising a cylinder, support frames are symmetrically arranged on both sides of the cylinder, a plurality of heat exchange pipe mounting frames are arranged in the cylinder, a self-balancing pipe assembly is arranged on any side of the cylinder, and a pipe reinforcing structure is arranged at the bottom end of the self-balancing pipe assembly.

[0006] The self-balancing pipe assembly comprises a first connecting pipe, a plurality of second connecting pipes are arranged on the side of the first connecting pipe close to the cylinder, one end of the second connecting pipe away from the first connecting pipe is in communication with the cylinder, pipe plugging pieces are arranged at both ends of the first connecting pipe, and the second connecting pipes are arranged at positions below the center line of the cylinder.

[0007] As a preferred full-liquid evaporator with self-balancing liquid level of the utility model, a plurality of evaporator heat exchange pipes are mounted on the heat exchange pipe mounting frames.

[0008] The utility model provides a liquid level self -balancing's full -liquid type evaporimeter preferably, the centre position of the top of cylinder is provided with the gas outlet, the position of cylinder inside is close to the gas outlet and is provided with the liquid baffle.

[0009] The utility model provides a liquid level self -balancing's full -liquid type evaporimeter preferably, the bottom position in the cylinder is installed with the distributor, the centre position of cylinder bottom is provided with the liquid inlet, and the liquid inlet communicates with the distributor.

[0010] The utility model provides a liquid level self -balancing's full -liquid type evaporimeter preferably, the pipeline reinforcing structure includes the mounting panel, both ends of mounting panel all are provided with first connecting hole, and both ends of mounting panel pass through first connecting hole and are fixedly connected with the support frame close to through using bolt, the position of mounting panel top surface close to second connecting pipe all is provided with fixed frame, both sides of fixed frame all are provided with third connecting hole, the position of mounting panel close to third connecting hole all are provided with threaded hole, and fixed frame passes through third connecting hole and threaded hole and is fixedly connected with mounting panel through using bolt, the top surface of fixed frame is fixedly connected with first arc plate, the top of first arc plate is provided with second arc plate, both sides of second arc plate and first arc plate are provided with connecting plate, second connecting pipe is arranged between the first arc plate and the second arc plate close to respectively.

[0011] The utility model provides a liquid level self -balancing's full -liquid type evaporimeter preferably, the middle part of fixed frame all is provided with fourth connecting hole, and reinforcing rod is arranged between the fixed frame close to each other, both ends of reinforcing rod all are provided with threaded column, threaded column is arranged in the fourth connecting hole close to respectively, and the one end of threaded column passes through fourth connecting hole all is provided with fixed nut.

[0012] Compared with the prior art, the utility model has the beneficial effects that: in the application, the first connecting pipe and the second connecting pipe are used together, the heat exchange pipe mounting frame divides the space in the cylinder into multiple chambers, the refrigerant in each chamber is transmitted to the first connecting pipe through the second connecting pipe, each chamber can form a communicating vessel structure, thereby realizing self-balancing of the refrigerant level in each chamber under various operating conditions of the evaporator, fully using the heat exchange area of the heat exchange pipe, and maximizing the performance of the full-liquid evaporator. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a cross-sectional view of the present invention;

[0016] Figure 3 In this utility model Figure 1 A schematic diagram of a partial structure;

[0017] Figure 4 In this utility model Figure 3 A schematic diagram of a partial structure;

[0018] Figure 5 In this utility model Figure 4 A schematic diagram of a partial structure;

[0019] Figure 6 In this utility model Figure 5 A schematic diagram of a partial structure;

[0020] In the picture:

[0021] 1. Cylinder; 101. Air outlet; 102. Liquid inlet; 103. Support frame; 2. Self-balancing pipe assembly; 201. First connecting pipe; 202. Second connecting pipe; 203. Pipe sealing component; 3. Pipe reinforcement structure; 301. Mounting plate; 302. First connecting hole; 303. Threaded hole; 304. Fixing frame; 305. First arc-shaped plate; 306. Second arc-shaped plate; 307. Connecting plate; 308. Second connecting hole; 309. Third connecting hole; 310. Fourth connecting hole; 311. Reinforcing rod; 312. Threaded column; 4. Distributor; 5. Heat exchanger tube mounting bracket; 6. Evaporator heat exchanger tube; 7. Baffle plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] like Figures 1 to 6 As shown;

[0025] In combination with the above:

[0026] In order to realize the self-balancing of the refrigerant liquid level of each chamber of the evaporator, the full-liquid evaporator with self-balancing of the liquid level comprises a cylinder 1, support frames 103 are symmetrically arranged on both sides of the cylinder 1, a plurality of heat exchange pipe mounting frames 5 are arranged in the cylinder 1, a self-balancing pipe assembly 2 is arranged on any side of the cylinder 1, and a pipeline reinforcing structure 3 is arranged at the bottom end of the self-balancing pipe assembly 2.

[0027] The self-balancing pipe assembly 2 comprises a first connecting pipe 201, a plurality of second connecting pipes 202 are arranged on the side of the first connecting pipe 201 close to the cylinder 1, the end of the second connecting pipe 202 away from the first connecting pipe 201 is in communication with the cylinder 1, and the pipeline blocking piece 203 is arranged at both ends of the first connecting pipe 201, and the second connecting pipe 202 is arranged below the center line of the cylinder 1.

[0028] In the embodiment: the heat exchange pipe mounting frame 5 divides the space in the cylinder 1 into a plurality of chambers, the second connecting pipe 202 is arranged at the position of each chamber, the refrigerant liquid in each chamber is transmitted into the first connecting pipe 201 through the second connecting pipe 202, each chamber can form a communicating vessel structure, so that the self-balancing of the refrigerant liquid level of each chamber of the evaporator can be realized under various operating conditions, the heat exchange area of the heat exchange pipe is fully used, and the performance of the full-liquid evaporator is maximally ensured.

[0029] Further:

[0030] In an optional embodiment, a plurality of evaporator heat exchange pipes 6 are mounted on the heat exchange pipe mounting frame 5.

[0031] Further:

[0032] In an optional embodiment, a gas outlet 101 is arranged at the center position of the top of the cylinder 1, and a liquid blocking plate 7 is arranged at the position close to the gas outlet 101 inside the cylinder 1.

[0033] In the embodiment: the liquid blocking plate 7 is arranged at the position close to the gas outlet 101, which can prevent the refrigerant liquid that is not completely evaporated from being sucked into the gas outlet 101.

[0034] Further:

[0035] In an optional embodiment, a liquid distributor 4 is mounted at the bottom position in the cylinder 1, a liquid inlet 102 is arranged at the center position of the bottom of the cylinder 1, and the liquid inlet 102 is in communication with the liquid distributor 4.

[0036] In the embodiment: the refrigerant liquid enters the liquid distributor 4 through the liquid inlet 102 and is transmitted into each chamber in the cylinder 1 through the liquid distributor 4.

[0037] Furthermore:

[0038] In an optional embodiment, the pipe reinforcement structure 3 includes a mounting plate 301. Both ends of the mounting plate 301 have first connecting holes 302. Both ends of the mounting plate 301 are fixedly connected to a nearby support frame 103 using bolts passing through the first connecting holes 302. Fixing frames 304 are symmetrically arranged on the top surface of the mounting plate 301 near the second connecting pipe 202. Third connecting holes 309 are provided on both sides of the fixing frames 304. Threaded holes 303 are provided on the mounting plate 301 near the third connecting holes 309. The fixing frames 304 are connected by bolts passing through the third connecting holes 309. Hole 309 and threaded hole 303 are fixedly connected to mounting plate 301. A first arc plate 305 is fixedly connected to the top surface of the fixing bracket 304. A second arc plate 306 is provided at the top of the first arc plate 305. Connecting plates 307 are provided on both sides of the second arc plate 306 and the first arc plate 305. A second connecting hole 308 is provided on each connecting plate 307. The second arc plate 306 is fixedly connected to the first arc plate 305 by using bolts passing through the second connecting hole 308. The second connecting pipe 202 is respectively provided between the first arc plate 305 and the second arc plate 306.

[0039] In this embodiment: the second connecting pipe 202 is disposed between the first arc plate 305 and the second arc plate 306, so that the first arc plate 305 and the second arc plate 306 limit and fix the second connecting pipe 202, and the fixing frame 304 supports the second connecting pipe 202, thereby improving the stability of the connection of the second connecting pipe 202 and extending the service life of the second connecting pipe 202.

[0040] Furthermore:

[0041] In an optional embodiment, each of the fixing brackets 304 has a fourth connecting hole 310 in the middle, and a reinforcing rod 311 is provided between the fixing brackets 304 that are close to each other. Both ends of the reinforcing rod 311 are provided with threaded posts 312. The threaded posts 312 are respectively provided in the close fourth connecting holes 310, and a positioning nut is provided on the end of the threaded post 312 that passes through the fourth connecting hole 310.

[0042] In this embodiment, the fixing frames 304 that are close to each other are connected by the reinforcing rod 311 so that the fixing frames 304 on both sides can form a whole, thereby improving the reinforcement effect of the pipe connection.

[0043] The working principle and use process of the utility model: heat exchange pipe mounting bracket 5 divides the space in cylinder 1 into multiple chambers, refrigerant liquid will enter into distributor 4 through liquid inlet 102, and is transmitted into each chamber in cylinder 1 through distributor 4, and carries out heat exchange with water in the pipe pass through evaporator heat exchange pipe 6, and the refrigerant evaporates and flows out from gas outlet 101, since the position of each chamber is provided with second connecting pipe 202, the refrigerant liquid in each chamber will be transmitted into first connecting pipe 201 through second connecting pipe 202, makes each chamber can form the structure of communicating vessel, thereby realizes that evaporator can realize the refrigerant liquid level self-balancing of each chamber under various operating conditions, fully uses the heat exchange area of evaporator heat exchange pipe 6, guarantees the performance of full liquid evaporator to the maximum extent, and second connecting pipe 202 is arranged between first arc-shaped plate 305 and second arc-shaped plate 306, makes first arc-shaped plate 305 and second arc-shaped plate 306 limit and fix second connecting pipe 202, makes fixing frame 304 support second connecting pipe 202, improves the stability of second connecting pipe 202 connection, prolongs the service life of second connecting pipe 202.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A self-leveling flooded evaporator, comprising a cylinder (1), characterized in that: Support frames (103) are symmetrically arranged on both sides of the cylinder (1), a plurality of heat exchange pipe mounting frames (5) are arranged in the cylinder (1), and a self-balancing pipe assembly (2) is arranged on any side of the cylinder (1); and a pipeline reinforcing structure (3) is arranged at the bottom end of the self-balancing pipe assembly (2). The self-balancing pipe assembly (2) comprises a first connecting pipe (201), a plurality of second connecting pipes (202) are arranged on the side of the first connecting pipe (201) close to the cylinder (1), one end of the second connecting pipe (202) away from the first connecting pipe (201) is communicated with the cylinder (1), and the two ends of the first connecting pipe (201) are provided with pipe plugging pieces (203); and the second connecting pipes (202) are arranged below the center line of the cylinder (1).

2. A self-leveling liquid level evaporator according to claim 1, characterized in that: A plurality of evaporator heat exchange pipes (6) are mounted on the heat exchange pipe mounting frame (5).

3. A self-leveling liquid level evaporator according to claim 1, characterized in that: A gas outlet (101) is arranged at the center position of the top of the cylinder (1), and a liquid baffle (7) is arranged at the position close to the gas outlet (101) in the cylinder (1).

4. A self-leveling liquid level evaporator according to claim 1, characterized in that: A distributor (4) is mounted at the bottom position in the cylinder (1), and a liquid inlet (102) is arranged at the center position of the bottom of the cylinder (1) and communicated with the distributor (4).

5. A self-leveling liquid level evaporator according to claim 1, characterized in that: The pipeline reinforcing structure (3) comprises a mounting plate (301), first connecting holes (302) are formed in the two ends of the mounting plate (301), the mounting plate (301) is fixedly connected with the adjacent support frame (103) through the first connecting holes (302) by using bolts, fixed frames (304) are symmetrically arranged on the top surface of the mounting plate (301) close to the second connecting pipes (202), third connecting holes (309) are formed in the two sides of the fixed frame (304), threaded holes (303) are formed in the positions of the mounting plate (301) close to the third connecting holes (309), the fixed frame (304) is fixedly connected with the mounting plate (301) through the third connecting holes (309) and the threaded holes (303) by using bolts, a first arc-shaped plate (305) is fixedly connected on the top surface of the fixed frame (304), a second arc-shaped plate (306) is arranged at the top end of the first arc-shaped plate (305), connecting plates (307) are arranged on the two sides of the first arc-shaped plate (305) and the second arc-shaped plate (306), second connecting holes (308) are formed in the connecting plates (307), the second arc-shaped plate (306) is fixedly connected with the first arc-shaped plate (305) through the second connecting holes (308) by using bolts, and the second connecting pipes (202) are arranged between the adjacent first arc-shaped plate (305) and second arc-shaped plate (306).

6. A self-leveling liquid level evaporator according to claim 5, characterized in that: The middle part of the fixing frame (304) is provided with a fourth connecting hole (310), and reinforcing rods (311) are arranged between the fixing frames (304) close to each other. Both ends of the reinforcing rod (311) are provided with threaded columns (312), which are arranged in the close fourth connecting holes (310) respectively. The threaded columns (312) are provided with positioning nuts on one end penetrating the fourth connecting holes (310).