Evaporator single-pass flow path structure of centrifugal refrigerator

Abstract

The evaporator single-pass flow path structure of the centrifugal refrigerator comprises an evaporator body, a first pipeline and a second pipeline are arranged on one side of the evaporator body side by side, a water passing hole is formed in the other side of the evaporator body, and the water passing hole is communicated with a water inlet assembly. A U-shaped double-flow single-end inlet and outlet mode in a traditional evaporator is changed into a single-flow mode of one-section water inlet of the water inlet assembly and one-end water outlet of the first pipeline and the second pipeline, so that the problem of pressure blockage of a centrifugal machine when the water flow is large can be solved, the flow of low-temperature water is increased, the energy consumption is reduced, and the unit efficiency is improved; and the traditional evaporator structure can be directly modified, so that the use cost is lower.

Description

Technical Field

[0001] The utility model relates to the field of centrifugal refrigerators, in particular to a single-flow path structure of an evaporator of a centrifugal refrigerator. Background Art

[0002] Currently, the production of medicine, chemical industry and other fields requires the use of low-temperature water refrigeration units. Centrifugal refrigerators are a common low-temperature water refrigeration equipment. The operating conditions of existing centrifugal refrigerators are small flow and large temperature difference (5°C). The evaporator adopts a U-shaped double-flow single-end inlet and outlet mode. However, the operating conditions of most new plant areas require large flow and small temperature difference (3°C). If the existing centrifugal refrigerators are used, it will cause cold water blockage during operation, resulting in reduced operating efficiency of the centrifuge and cold water pump.

[0003] Therefore, there is an urgent need for a single-flow flow path structure of an evaporator of a centrifugal refrigerator that can solve the above problems. Utility Model Content

[0004] The utility model aims to provide a single-flow path structure of an evaporator of a centrifugal refrigerator to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a single-flow flow path structure of an evaporator of a centrifugal refrigerator, comprising an evaporator body, one side of the evaporator body being provided with a first pipeline and a second pipeline in parallel, the other side of the evaporator body being provided with a water hole, the water hole being connected to a water inlet component.

[0007] Preferably, the water inlet assembly comprises an elbow, the elbow is connected to the water hole by welding, and the end of the elbow is connected to the water inlet pipeline via a flange.

[0008] Preferably, a valve is provided on the water inlet pipeline.

[0009] Compared with the prior art, the utility model has achieved the following beneficial technical effects:

[0010] The utility model provides an evaporator single-flow path structure of a centrifugal refrigeration machine, comprising an evaporator body, a first pipeline and a second pipeline are arranged side by side on one side of the evaporator body, a water through hole is opened on the other side of the evaporator body, and the water through hole is connected to a water inlet component; by changing the U-shaped double-flow single-end inlet and outlet mode in the traditional evaporator into a single-flow mode in which water is inletted at one end of the water inlet component and water is discharged at one end of the first pipeline and the second pipeline, this can not only solve the problem of blockage of the centrifuge when the water flow rate is large, but also increase the flow rate of low-temperature water, reduce energy consumption, and improve the efficiency of the unit, and can directly modify the traditional evaporator structure, with lower use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 The utility model provides a schematic diagram of a single-flow path structure of an evaporator of a centrifugal refrigerator. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] The utility model aims to provide a single-flow path structure of an evaporator of a centrifugal refrigerator to solve the problems existing in the prior art.

[0015] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Embodiment 1:

[0017] This embodiment provides a single-flow flow path structure of an evaporator of a centrifugal refrigerator, such as Figure 1 As shown, it includes an evaporator body 1, and a first pipeline 2 and a second pipeline 3 are arranged side by side on one side of the evaporator body 1. The first pipeline 2 and the second pipeline 3 here are the water inlet pipeline and the water outlet pipeline of the existing traditional evaporator. In this embodiment, they are both used as the water outlet pipeline. A water hole 4 is opened on the other side of the evaporator body 1, and the water hole 4 is connected to the water inlet component 5.

[0018] Specifically, the water inlet assembly 5 includes an elbow 51 , which is connected to the water hole 4 by welding, and the end of the elbow 51 is connected to the water inlet pipeline 53 through a flange 52 .

[0019] Furthermore, a valve 54 is provided on the water inlet pipeline 53 .

[0020] The utility model provides a single-flow flow path structure of an evaporator of a centrifugal refrigerator. The two pipelines on one side of the low-temperature water inlet and outlet of the centrifugal evaporator before the transformation are used as the low-temperature water outlet pipelines after the transformation. A hole is opened on the other side of the evaporator, and the pipelines are connected with flanges and valves after welding with elbows to serve as the water inlet pipeline of the evaporator. In this way, the flow path of the low-temperature water in the evaporator is changed, the flow path is shortened, the water output of the low-temperature water is increased, the temperature difference between supply and demand is matched, the supply and demand are balanced, the cold water pressure of the centrifugal machine is solved, and the flow rate of the centrifugal refrigerator is increased by 300m 3 / h, the efficiency is improved by about 5%, and the water pump efficiency is also improved by about 5%.

[0021] The utility model uses specific examples to illustrate the principle and implementation of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. An evaporator single-flow path structure of a centrifugal refrigerator, comprising an evaporator body, a first pipeline and a second pipeline are arranged side by side on one side of the evaporator body, characterized in that: A water hole is provided on the other side of the evaporator body, and the water hole is communicated with the water inlet assembly.

2. The single-flow path structure of the evaporator of the centrifugal refrigerator according to claim 1, characterized in that: The water inlet assembly comprises an elbow, the elbow is connected to the water hole by welding, and the end of the elbow is connected to the water inlet pipeline through a flange.

3. The single-flow path structure of the evaporator of the centrifugal refrigerator according to claim 2, characterized in that: A valve is arranged on the water inlet pipeline.

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