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A two-stage vapor compressor with intercooling

A steam compressor, steam technology, applied in the direction of mechanical equipment, machine/engine, liquid fuel engine, etc., to achieve the effect of reducing energy consumption

Active Publication Date: 2020-11-24
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a two-stage steam compressor with intercooling capable of realizing multi-stage compression of the secondary steam generated by the evaporator, so as to solve the problem that the traditional single-stage centrifugal compressor is difficult to increase the secondary steam. to relatively high pressure problems

Method used

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  • A two-stage vapor compressor with intercooling
  • A two-stage vapor compressor with intercooling
  • A two-stage vapor compressor with intercooling

Examples

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Embodiment 1

[0034] see figure 1 , this embodiment provides a two-stage vapor compressor with intercooling, which has an evaporator 1, and the evaporator 1, the first centrifugal impeller 2, the second centrifugal impeller 4, and the cooler 3 are respectively passed through the first pipeline 5 in series; in actual use, the first centrifugal impeller 2, cooler 3 and second centrifugal impeller 4 are connected sequentially to form a set of compression units, and one or more group compression unit, where, in figure 1 Only one group of compression units is shown in the figure, and in each group of compression units, the cooler 3 is located between the first centrifugal impeller 2 and the second centrifugal impeller 4, that is, each group of compression units realizes two-stage compression of the vapor in the pipeline Features.

[0035] A first control valve 6 is installed on the first pipeline 5, wherein the first control valve 6 can specifically be a shut-off valve, and is arranged on the ...

Embodiment 2

[0043] This embodiment is based on the steam compressor described in Embodiment 1. In this embodiment, the first centrifugal impeller 2, the second centrifugal impeller 4 and the cooler 3 are each provided with one set, so that the scheme described in this embodiment adopts a Compression unit, and thus constitutes a vapor compressor with two-stage compression, see figure 2 .

[0044] Further, see image 3 , the first centrifugal impeller 2 and the second centrifugal impeller 4 in this embodiment are installed in the integrated volute 12;

[0045] The integrated volute 12 is provided with a first volute-shaped air chamber 13 and a second volute-shaped air chamber 14 corresponding to the first centrifugal impeller 2 and the second centrifugal impeller 4;

[0046] The integrated volute 12 is provided with a first air inlet 15 and a first air outlet 16 correspondingly connected to the first volute-shaped air chamber 13, and is provided with a correspondingly connected to the se...

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Abstract

The invention relates to the technical field of steam compression equipment, and provides a double-stage steam compressor with an intermediate cooling. The double-stage steam compressor comprises an evaporator, a cooler, a first centrifugal impeller and a second centrifugal impeller; the evaporator and the cooler, the first centrifugal impeller and the second centrifugal impeller are correspondingly connected in series through a first pipeline, the cooler is arranged between the first centrifugal impeller and the second centrifugal impeller, and the first centrifugal impeller and the second centrifugal impeller are correspondingly connected with a driving mechanism. According to the double-stage steam compressor, multistage compression of secondary steam output from the evaporator is realized, the steam is increased to a relatively high pressure, an intercooler is arranged between different compression stages, so that the compression and work of the steam in a close-to-isothermal stateis realized, and the energy consumption is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of vapor compression equipment, in particular to a two-stage vapor compressor with intermediate cooling. Background technique [0002] In recent years, due to the increasing demand of human beings for energy, energy supply has become a bottleneck problem. Faced with such a situation, energy saving has become one of the effective ways to get rid of the shackles of energy shortage. Vapor compression technology is an efficient and environmentally friendly energy-saving technology, which is widely used in the evaporation process of solutions, such as chemical industry, light industry, food, pharmaceuticals, seawater desalination, sewage treatment and other production fields. [0003] Mechanical vapor recompression technology is a typical representative of vapor compression technology. Its basic principle is based on recovering the latent heat of the secondary steam generated by the evaporator. The secondary ste...

Claims

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Application Information

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IPC IPC(8): F04D17/12F04D25/06F04D29/42F04D29/58
CPCF04D17/12F04D25/06F04D29/4206F04D29/582
Inventor 李育隆吴宏魏红伟
Owner BEIHANG UNIV
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