Four-tube-pass stainless steel condenser

By designing a novel tube box structure and finned heat exchange tubes for a four-pass stainless steel condenser, the problem of insufficient thermal conductivity of stainless steel condensers was solved, achieving more efficient heat exchange and convenient installation and modification.

CN223769287UActive Publication Date: 2026-01-06JIANGYIN YUBO TECH CO LTD
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Patent Information

Application Number
CN202423158482.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-01-06
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing stainless steel heat exchange tubes of the condenser have poor thermal conductivity, which affects the heat exchange effect. In addition, the limited size of the condenser and the limited installation space result in an insufficient number of heat exchange tubes, which affects the overall heat exchange effect.

Method used

The design incorporates a four-pass stainless steel condenser with a novel left and right tube box structure, forming a four-pass flow channel within the condenser. Fins are also installed on the heat exchange tubes to enhance heat exchange capacity.

Benefits of technology

It significantly improves the heat exchange efficiency of the condenser, avoids the problem of poor temperature conduction, and has a simple structure that is easy to process and install, making it suitable for retrofitting old condensers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a four-tube-pass stainless steel condenser, and relates to the technical field of condensers. The heat exchanger comprises a cylinder body, a heat exchange assembly, a left tube box and a right tube box, the heat exchange assembly is fixed in the cylinder body through a group of tube plates, the left tube box and the right tube box are respectively fixed at two ends of the cylinder body, the heat exchange assembly comprises a plurality of heat exchange tubes, the heat exchange tubes are stainless steel tubes, and a plurality of fin sections and a plurality of smooth sections are arranged on the outer surfaces of the heat exchange tubes. The outer diameter of fins on the fin section is consistent with or smaller than the outer diameter of the smooth section, and two transverse partition plates are arranged in the left tube box. The novel left tube box and the right tube box are designed, a four-tube-pass flow channel is formed in the condenser, the heat exchange capacity can be greatly improved, meanwhile, the fins are arranged on the heat exchange tubes, the heat exchange effect can be further improved, and the problem that the using effect of the whole condenser is insufficient due to the fact that the temperature conduction effect of the antibacterial heat exchange tubes is poor is solved.
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Description

Technical Field

[0001] This utility model belongs to the field of condenser technology, and in particular relates to a four-pass stainless steel condenser. Background Technology

[0002] The condensers used in vacuum washing devices need to be resistant to contamination, so stainless steel heat exchange tubes are mostly used. However, compared with copper heat exchange tubes, their thermal conductivity is relatively poor, which affects their heat exchange effect. The existing condensers have limited volume and installation space, which limits the number of heat exchange tubes. However, increasing the flow distance of the medium can improve the heat exchange effect.

[0003] Therefore, designing multi-pass condensers is a problem that needs to be solved by those skilled in the art. Summary of the Invention

[0004] The purpose of this invention is to provide a four-pass stainless steel condenser. By designing a novel left and right tube box, a four-pass flow channel is formed inside the condenser, which can greatly improve the heat exchange capacity. At the same time, fins are set on the heat exchange tubes to further improve the heat exchange effect and avoid the problem of insufficient overall condenser performance caused by poor heat conduction of antibacterial heat exchange tubes.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a four-pass stainless steel condenser, including a cylinder, a heat exchange assembly, a left tube box and a right tube box. The heat exchange assembly is fixed in the cylinder by a set of tube sheets. The left tube box and the right tube box are respectively fixed at both ends of the cylinder. The heat exchange assembly includes a plurality of heat exchange tubes.

[0007] The heat exchange tube is a stainless steel tube. The outer surface of the heat exchange tube is provided with several finned segments and several smooth segments. The outer diameter of the finned segments is the same as or smaller than the outer diameter of the smooth segments.

[0008] The left pipe box is provided with two horizontal partitions, which divide the left pipe box into an inlet chamber, a reversing chamber and a drain chamber from top to bottom. The outside of the left pipe box is connected to an inlet pipe and a drain pipe that are respectively connected to the inlet chamber and the drain chamber.

[0009] The right tube box is equipped with a Z-shaped partition, which divides the right tube box into an upper cavity and a lower cavity. The partition consists of an upper plate, a vertical plate, and a lower plate. The upper plate and the lower plate are respectively opposite to the two horizontal partitions of the left tube box.

[0010] The inlet chamber, the heat exchange tube connected to the inlet chamber, the upper cavity, the heat exchange tube connected to the upper cavity, the reversing cavity, the heat exchange tube connected to the reversing cavity, the lower cavity, the heat exchange tube connected to the lower cavity, and the drain chamber form a four-pass flow channel.

[0011] Furthermore, the two ends of the heat exchange tubes are respectively connected to two tube sheets, and the heat exchange tubes are linearly provided with a number of baffles, which form a serpentine refrigerant channel inside the cylinder.

[0012] Furthermore, a refrigerant inlet pipe and a refrigerant outlet pipe are respectively connected to one end of the top and the other end of the bottom of the cylinder, and the refrigerant inlet pipe and the refrigerant outlet pipe are respectively connected to both ends of the refrigerant channel.

[0013] Furthermore, a set of supports is fixed at the bottom of the cylinder, and the supports are misaligned with the refrigerant outlet pipe.

[0014] Furthermore, the right pipe box is provided with a set of preset ports, the two preset ports being an exhaust port and a sewage discharge port, respectively.

[0015] Furthermore, a safety valve is provided at the top of the cylinder.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model, through the design of novel left and right tube boxes, forms a four-pass flow channel within the condenser, which can greatly improve the heat exchange capacity. At the same time, the fins on the heat exchange tubes can further improve the heat exchange effect and avoid the problem of insufficient overall condenser performance caused by poor thermal conductivity of the antibacterial heat exchange tubes.

[0018] 2. This utility model uses a novel tube box structure to realize a four-pass condenser. The overall condenser has minimal structural changes, a simple structure that facilitates manufacturing, installation, disassembly, and modification of older condensers.

[0019] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a four-pass stainless steel condenser according to the present invention;

[0022] Figure 2 This is a schematic diagram of the left tube box structure;

[0023] Figure 3 This is a schematic diagram of the right-side tube box structure;

[0024] Figure 4 This is a schematic diagram of the heat exchange tube structure;

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1-Cylinder body, 2-Heat exchange assembly, 3-Left tube box, 4-Right tube box, 5-Heat exchange tube, 101-Refrigerant inlet pipe, 102-Refrigerant outlet pipe, 103-Support, 104-Safety valve, 301-Horizontal partition, 302-Water inlet chamber, 303-Reversing chamber, 304-Drainage chamber, 305-Water inlet pipe, 306-Drainage pipe, 401-Partition, 402-Upper cavity, 403-Lower cavity, 404-Upper plate, 405-Vertical plate, 406-Lower plate, 407-Preset port, 501-Fin segment, 502-Smooth section. Detailed Implementation

[0027] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-4 As shown, this utility model is a four-pass stainless steel condenser, including a cylinder 1, a heat exchange assembly 2, a left tube box 3 and a right tube box 4. The heat exchange assembly 2 is fixed inside the cylinder 1 by a set of tube sheets. The left tube box 3 and the right tube box 4 are respectively fixed at both ends of the cylinder 1. The heat exchange assembly 2 includes a plurality of heat exchange tubes 5.

[0029] The heat exchange tube 5 is a stainless steel tube. The outer surface of the heat exchange tube 5 is provided with several finned segments 501 and several smooth segments 502. The outer diameter of the fins on the finned segments 501 is the same as or smaller than the outer diameter of the smooth segments 502.

[0030] The left pipe box 3 is provided with two horizontal partitions 301. The two horizontal partitions 301 divide the left pipe box 3 from top to bottom into an inlet chamber 302, a reversing chamber 303 and a drain chamber 304. The outside of the left pipe box 3 is connected to an inlet pipe 305 and a drain pipe 306 that are respectively connected to the inlet chamber 302 and the drain chamber 304.

[0031] The right tube box 4 is provided with a Z-shaped partition 401, which divides the right tube box 4 into an upper cavity 402 and a lower cavity 403. The partition 401 is composed of an upper plate 404, a vertical plate 405 and a lower plate 406. The upper plate 404 and the lower plate 406 are respectively opposite to the two horizontal partitions 301 of the left tube box 3.

[0032] A four-pass flow channel is formed between the water inlet chamber 302, the heat exchange tube 5 connected to the water inlet chamber 302, the upper cavity 402, the heat exchange tube 5 connected to the upper cavity 402, the reversing cavity 303, the heat exchange tube 5 connected to the reversing cavity 303, the lower cavity 403, the heat exchange tube 5 connected to the lower cavity 403, and the drain chamber 304.

[0033] Among them, such as Figure 1 As shown, several heat exchange tubes 5 are connected to two tube sheets at both ends, and several baffles are linearly arranged on the heat exchange tubes 5, forming a serpentine refrigerant channel inside the cylinder 1.

[0034] Among them, such as Figure 1 As shown, one end of the top of the cylinder 1 and the other end of the bottom are respectively connected to a refrigerant inlet pipe 101 and a refrigerant outlet pipe 102, and the refrigerant inlet pipe 101 and the refrigerant outlet pipe 102 are respectively connected to both ends of the refrigerant channel.

[0035] Among them, such as Figure 1 As shown, a set of brackets 103 is fixed at the bottom of the cylinder 1, and the brackets 103 are misaligned with the refrigerant outlet pipe 102.

[0036] Among them, such as Figure 3 As shown, the right pipe box 4 is provided with a set of preset ports 407, the two preset ports 407 being an exhaust port and a sewage discharge port, respectively.

[0037] Among them, such as Figure 1 As shown, a safety valve 104 is provided at the top of the cylinder 1.

[0038] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0039] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A four-tube-pass stainless steel condenser, comprising a cylinder (1), a heat exchange assembly (2), a left tube box (3) and a right tube box (4), the heat exchange assembly (2) being fixed in the cylinder (1) by a set of tube plates, the left tube box (3) and the right tube box (4) being respectively fixed at two ends of the cylinder (1), and the heat exchange assembly (2) comprising a plurality of heat exchange tubes (5), characterized in that: the heat exchange tubes (5) are stainless steel tubes, the outer surface of the heat exchange tubes (5) is provided with a plurality of fin segments (501) and a plurality of smooth segments (502), the outer diameter of the fins on the fin segments (501) is consistent with or smaller than the outer diameter of the smooth segments (502); the left tube box (3) is provided with two transverse partitions (301), the left tube box (3) is divided into a water inlet cavity (302), a reversing cavity (303) and a water outlet cavity (304) from top to bottom by the two transverse partitions (301), and the left tube box (3) is connected with a water inlet pipe (305) and a water outlet pipe (306) which respectively communicate with the water inlet cavity (302) and the water outlet cavity (304) on the outside; the right tube box (4) is provided with a Z-shaped partition (401), the right tube box (4) is divided into an upper cavity (402) and a lower cavity (403) by the partition (401), the partition (401) is composed of an upper plate piece (404), a vertical plate piece (405) and a lower plate piece (406), and the upper plate piece (404) and the lower plate piece (406) are respectively opposite to the two transverse partitions (301) of the left tube box (3); the water inlet cavity (302), the heat exchange tubes (5) communicating with the water inlet cavity (302), the upper cavity (402), the heat exchange tubes (5) communicating with the upper cavity (402), the reversing cavity (303), the heat exchange tubes (5) communicating with the reversing cavity (303), the lower cavity (403) and the heat exchange tubes (5) communicating with the lower cavity (403) form four-tube-pass flow channels. The two ends of the plurality of heat exchange tubes (5) are respectively connected to the two tube plates, a plurality of baffle plates are linearly arranged on the plurality of heat exchange tubes (5), and the plurality of baffle plates form a serpentine refrigerant passage in the cylinder (1). The cylinder (1) is connected with a refrigerant inlet pipe (101) at one end of the top and a refrigerant outlet pipe (102) at the other end of the bottom, and the refrigerant inlet pipe (101) and the refrigerant outlet pipe (102) are respectively connected with the two ends of the refrigerant passage. The cylinder (1) is fixed with a set of supports (103) at the bottom, and the supports (103) are staggered with the refrigerant outlet pipe (102). The right tube box (4) is provided with a set of preset openings (407), and the two preset openings (407) are respectively an exhaust opening and a blowdown opening.

2. A four-tube pass stainless steel condenser as claimed in claim 1, wherein, The cylinder (1) is provided with a safety valve (104) at the top.

3. A four-tube pass stainless steel condenser as claimed in claim 2, wherein, ​ 4. A four-tube pass stainless steel condenser as claimed in claim 3 wherein, ​ 5. A four-tube pass stainless steel condenser as claimed in claim 1 wherein, ​ 6. A four-tube pass stainless steel condenser as claimed in claim 1 wherein, ​