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Flooded evaporator

A flooded evaporator and evaporator technology, which is applied in the direction of evaporator/condenser, refrigeration and liquefaction, refrigeration components, etc., can solve the problems of compressor return gas with liquid, and achieve the solution of return gas with liquid and lifting separation Function, the effect of improving the stability of working conditions

Pending Publication Date: 2018-10-26
南京冷德节能科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: The purpose of the invention is to provide a flooded evaporator for the deficiencies of the prior art, so as to solve the problem of liquid in the return air of the compressor

Method used

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Examples

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Embodiment

[0023] Embodiment: A flooded evaporator, including a flooded evaporator body, the evaporator body includes a shell 8, a first tube sheet 4 and a second tube sheet 11 closing both ends of the shell 8, and bolts 3 The first end cover 1 and the second end cover 12 installed outside the first tube sheet 4 and the second tube sheet 11. The top of the housing 8 is also provided with a safety valve seat 7 , the side of the housing 8 is provided with an oil return port 25 , and an oil stabilizing plate 24 is provided at a position opposite the inner chamber of the housing 8 to the oil return port 25 . The top of the first end cover 1 is provided with an exhaust valve seat 2 , and the bottom is provided with a drain valve seat 23 . The joint position of the first end cover 1 and the first tube sheet 4 is provided with a first gasket 22, the joint position of the second end cover 12 and the second tube sheet 11 is provided with a second gasket 16, the first gasket 22 and the second The...

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Abstract

The invention discloses a flooded evaporator. The flooded evaporator comprises an evaporator main body; a gas collecting pipe is arranged between heat exchange pipes in the evaporator main body and arefrigerant outlet pipe; the gas collecting pipe is of a hollow tubular structure; the arrangement direction of the gas collecting pipe is the same as those of the heat exchange pipes; a plurality ofgas collecting holes are formed in the top of the gas collecting pipe; and the top of the center position of the gas collecting pipe communicates with the refrigerant outlet pipe. In the evaporator, the gas collecting pipe is arranged between the heat exchange pipes and the refrigerant outlet pipe, the gas collecting holes are formed in the top of the gas collecting pipe, liquid mixed in refrigerant gas due to fluctuation of a working condition can be blocked outside the gas collecting pipe and does not enter into the refrigerant outlet pipe, and gas-liquid separation of a refrigerant in the evaporator is ensured, so that the problem that the liquid is brought due to gas return of a compressor is solved.

Description

technical field [0001] The invention relates to the field of refrigeration and air conditioning, and more specifically, relates to an evaporator used for a magnetic levitation centrifugal compressor. Background technique [0002] As society has higher and higher requirements for energy saving and environmental protection, how to improve the energy efficiency ratio of air-conditioning and refrigeration equipment has become particularly important. At present, in the field of refrigeration and air conditioning, there are mainly two types of evaporators used in the water-cooled chillers of the refrigeration host of large central air conditioners: dry type and flooded type. Compared with dry type evaporators, flooded type evaporators have higher heat transfer. coefficient and a small heat transfer temperature difference can make the refrigeration unit more energy-efficient, but flooded evaporators often cannot avoid the phenomenon of flying liquid when the working conditions of t...

Claims

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Application Information

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IPC IPC(8): F25B39/02
CPCF25B39/028
Inventor 王雪峰
Owner 南京冷德节能科技有限公司
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