Siphon standpipe structure for refrigeration unit

CN224607924UActive Publication Date: 2026-08-07SHANGHAI ZHAOXUE REFRIGERATION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI ZHAOXUE REFRIGERATION EQUIP CO LTD
Filing Date
2025-09-16
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0005]本实用新型的目的是为了解决上述背景技术中提出的制冷机组以压力容器成品虹吸罐作为虹吸油冷辅组组件,导致投入成本较高的问题,而提出的一种制冷机组用虹吸立管结构

Benefits of technology

本实用新型中通过优化管路布局,在制冷机组中集成虹吸立管组件,虹吸立管为厂内自制压力管道组件,根据各系统不同特性,有针对性的进行设计加工,满足差异性的同时保证系统匹配度,使系统更稳定运行;

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Abstract

The utility model belongs to refrigerating unit technical field, concretely is a kind of siphon standpipe structure for refrigerating unit, including main pipe body and guide pipe, guide pipe is fixedly connected with the top of main pipe body, the side of main pipe body is fixedly connected with first connecting pipe and second connecting pipe, the bottom of the side of main pipe body far from first connecting pipe is fixedly connected with third connecting pipe;Siphon standpipe is usually integrated with unit, only need to connect condenser pipeline on site, reduce on-site welding and debugging time, replace traditional complex siphon pipe and its supporting pipeline assembly, reduce pipeline complexity, reduce installation error risk, reduce the static stock of refrigerant in system, to reduce the filling amount.The utility model integrates siphon standpipe assembly in refrigerating unit by optimizing pipeline layout, siphon standpipe is factory-made pressure pipeline assembly, according to the different characteristics of each system, design and process targetedly, satisfy difference while guarantee system matching degree, make system more stable operation.
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Description

Technical Field

[0001] This utility model relates to the field of refrigeration unit technology, and in particular to a siphon riser structure for refrigeration units. Background Technology

[0002] A refrigeration compressor unit mainly consists of four major components: a refrigeration compressor, a condenser, a cooler, and a solenoid valve, plus components such as an oil separator, a liquid receiver, an oil sight glass, a diaphragm manual valve, and a return gas filter. The application of a siphon-type gas-liquid separation device in a refrigeration compressor unit is mainly to effectively separate the gas and liquid components in the mixed gas discharged from the compressor, which is crucial for the normal operation and performance of the refrigeration cycle.

[0003] A siphon-type gas-liquid separator is a device that utilizes the siphon effect to achieve efficient gas-liquid separation. Its core principle is to drive liquid flow through hydrostatic pressure difference and density difference, completing the separation process without external power. It includes a liquid separation unit: typically containing primary and secondary separators, improving efficiency through multi-stage separation; a siphon balancer: connected to the top of the separator, controlling the exhaust port through a three-way ball valve to maintain system pressure balance; and a circulation pipeline: including a riser pipe and a downcomer pipe, forming a self-driven circulation using density difference.

[0004] Existing refrigeration units use finished pressure vessel siphon tanks as auxiliary components for siphon oil cooling systems. Although the performance can meet expectations, as a pressure vessel, it increases the user's costs in terms of manufacturing costs, construction workload, and subsequent inspection and maintenance. Moreover, the large volume of the siphon tank leads to an increase in refrigerant charge, which not only increases the user's investment costs but also results in higher environmental costs. Utility Model Content

[0005] The purpose of this utility model is to solve the problem mentioned in the background art that the use of pressure vessel finished siphon tanks as siphon oil cooling auxiliary components in refrigeration units leads to high investment costs, and to propose a siphon riser structure for refrigeration units.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A siphon riser structure for a refrigeration unit includes a main pipe and a conduit. The conduit is fixedly connected to the top of the main pipe. A first connecting pipe and a second connecting pipe are fixedly connected to one side of the main pipe. A third connecting pipe is fixedly connected to the bottom of the main pipe on the side away from the first connecting pipe. Two pairs of fourth connecting pipes are fixedly connected to the top of the conduit. Sealing heads are provided at the bottom of the main pipe and both ends of the conduit.

[0007] Preferably, the conduit is threaded onto the top of the main tube.

[0008] Preferably, the sealing head is threadedly connected to both the main body and the conduit.

[0009] Preferably, the diameters of the first connecting pipe, the second connecting pipe, the third connecting pipe, and the fourth connecting pipe are 65mm, 50mm, 20mm, and 25mm, respectively.

[0010] Preferably, a sight glass base is fixedly connected to the side of the main body near the second connecting pipe.

[0011] Preferably, the distance between the two fourth connecting tubes in the same pair is 100mm.

[0012] Compared with the prior art, the present invention has the following beneficial effects: This utility model optimizes the pipeline layout and integrates a siphon riser assembly into the refrigeration unit. The siphon riser is a self-made pressure pipeline assembly in the factory. It is designed and processed in a targeted manner according to the different characteristics of each system, so as to meet the differences while ensuring the system matching degree and making the system operate more stably. 2. In this utility model, the siphon riser is usually pre-integrated with the unit (such as a condensing unit or compressor unit), and only the condenser pipeline needs to be connected on site, reducing on-site welding and commissioning time; it replaces the traditional complex siphon pipe and its supporting pipeline components, reducing pipeline complexity and reducing the risk of installation errors; it reduces the static amount of refrigerant in the system, thereby reducing the charging amount. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of a siphon riser structure for a refrigeration unit proposed in this utility model; Figure 2 This is a side view of a siphon riser structure for a refrigeration unit proposed in this utility model.

[0014] In the diagram: 1 Main tube, 2 Guide tube, 3 First connecting tube, 4 Second connecting tube, 5 Third connecting tube, 6 Fourth connecting tube, 7 Sealing head, 8 Sight glass base. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Reference Figure 1-2A siphon riser structure for a refrigeration unit includes a main pipe body 1 and a conduit 2. The conduit 2 is fixedly connected to the top of the main pipe body 1 and threadedly sleeved on the top of the main pipe body 1. A first connecting pipe 3 and a second connecting pipe 4 are fixedly connected to one side of the main pipe body 1. A sight glass base 8 is fixedly connected to the side of the main pipe body 1 near the second connecting pipe 4 to facilitate the installation of the sight glass base 8. In this embodiment, the bottom of the main body 1 on the side away from the first connecting pipe 3 is fixedly connected to the third connecting pipe 5. The diameters of the first connecting pipe 3, the second connecting pipe 4, the third connecting pipe 5 and the fourth connecting pipe 6 are 65mm, 50mm, 20mm and 25mm respectively. In this embodiment, the top of the conduit 2 is fixedly connected to two pairs of symmetrically arranged fourth connecting tubes 6, and the distance between the two fourth connecting tubes 6 in the same pair is 100mm. In this embodiment, the bottom of the main body 1 and both ends of the conduit 2 are provided with sealing heads 7, which serve as sealing heads. The sealing heads 7 are threadedly connected to both the main body 1 and the conduit 2, making it convenient to disassemble and fix the sealing heads 7.

[0017] In this embodiment, the siphon riser is usually pre-integrated with the unit (such as a condensing unit or compressor unit), and only the condenser piping needs to be connected on site, reducing on-site welding and commissioning time; it replaces the traditional complex siphon pipe and its supporting piping components, reducing piping complexity and the risk of installation errors; and it reduces the static amount of refrigerant in the system, thereby reducing the charge amount.

[0018] In this embodiment, by optimizing the pipeline layout, a siphon riser assembly is integrated into the refrigeration unit. The siphon riser is a self-made pressure pipeline assembly in the factory. It is designed and processed in a targeted manner according to the different characteristics of each system, so as to meet the differences while ensuring the system matching degree and making the system operate more stably.

[0019] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A siphon riser structure for a refrigeration unit, comprising a main pipe (1) and a guide pipe (2), characterized in that: The conduit (2) is fixedly connected to the top of the main body (1). A first connecting pipe (3) and a second connecting pipe (4) are fixedly connected to one side of the main body (1). A third connecting pipe (5) is fixedly connected to the bottom of the main body (1) away from the first connecting pipe (3). Two pairs of fourth connecting pipes (6) are fixedly connected to the top of the conduit (2). A sealing head (7) is provided at the bottom of the main body (1) and both ends of the conduit (2).

2. The siphon riser structure for a refrigeration unit according to claim 1, characterized in that: The conduit (2) is threaded onto the top of the main body (1).

3. The siphon riser structure for a refrigeration unit according to claim 1, characterized in that: The plug (7) is threadedly connected to the main body (1) and the conduit (2).

4. The siphon riser structure for a refrigeration unit according to claim 1, characterized in that: The diameters of the first connecting pipe (3), the second connecting pipe (4), the third connecting pipe (5), and the fourth connecting pipe (6) are 65mm, 50mm, 20mm, and 25mm, respectively.

5. The siphon riser structure for a refrigeration unit according to claim 1, characterized in that: The main body (1) is fixedly connected to a sight glass base (8) on the side near the second connecting pipe (4).

6. The siphon riser structure for a refrigeration unit according to claim 1, characterized in that: The distance between the two fourth connecting pipes (6) in the same pair is 100mm.