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Novel refrigeration evaporator vulcanization production technology

A refrigerated evaporator and production process technology, applied in evaporator/condenser, refrigeration and liquefaction, refrigerator, etc., can solve problems such as looseness, pitting corrosion, and insufficient connection, so as to avoid pitting corrosion and low cost , Increase the effect of pasting firmness

Inactive Publication Date: 2016-06-01
HEFEI GREAT WALL REFRIGERATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing pasting method, the pitting corrosion phenomenon exists at the junction of the tube and the plate, and the plate surface and the aluminum tube are prone to loosening over time, and the connection is not firm enough

Method used

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Examples

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Embodiment Construction

[0015] A new refrigerated evaporator vulcanization production process, which includes evaporator aluminum tubes and aluminum plates,

[0016] (1) Cover a layer of thermally conductive adhesive on the surface of the aluminum plate, and the thermally conductive adhesive is composed of the following components by weight: graphene-like boron nitride nanosheets, curing agent, halogen-free epoxy resin, thermally conductive filler, solvent mixture It is formulated and dip-coated with a layer of anti-corrosion paint on the outer surface of the aluminum tube of the evaporator;

[0017] (2) Press the aluminum plate through a press to make a number of grooves that match the aluminum tube,

[0018] (3) After drying the paint layer on the aluminum tube of the evaporator, vulcanize it,

[0019] (4) Place the aluminum tube of the evaporator in the groove and fix it with the aluminum plate covered with the heat-conducting adhesive film by heating and vulcanizing;

[0020] (5) Finally, apply...

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Abstract

The invention discloses a novel refrigeration evaporator vulcanization production technology which comprises evaporator aluminum pipes and an aluminum plate and comprises the following steps: (1) covering the upper surface of the aluminum plate with a layer of heat-conducting glue, and dip-coating the outer surface of each evaporator aluminum pipe with an anticorrosive coating; (2) press-forming a plurality of grooves matched with the evaporator aluminum pipes in the aluminum plate through a press machine; (3) drying the coatings on the evaporator aluminum pipes and then performing vulcanization treatment; (4) placing the evaporator aluminum pipes in the grooves, and bonding and fixing the evaporator aluminum pipes to the aluminum plate covered with a heat-conducting glue film by heating and vulcanization; and (5) finally, applying an anticorrosive coating material to the contact parts of the evaporator aluminum pipes and the aluminum plate, and performing constant-temperature drying. The technology overcomes defects in the prior art; the grooves are formed in the surfaces of the aluminum plate to hold the evaporator aluminum pipes so as to enhance the bonding firmness between the aluminum plate and the evaporator aluminum pipes; meanwhile, the anticorrosive coating material is applied to the contact parts of the evaporator aluminum pipes and the aluminum plate so as to effectively avoid a spot corrosion phenomenon at the joints of the evaporator aluminum pipes and the aluminum plate; and the technology is lower in cost than an anodic oxidation technology which is harmful to the environment, and meets the environmental protection requirement.

Description

technical field [0001] The invention relates to the technical field of refrigeration, in particular to a novel refrigerating evaporator vulcanization production process. Background technique [0002] The plate evaporator is the main heat exchange device in the refrigeration system. Its function is to quickly evaporate (boil) the low-temperature and low-pressure liquid refrigerant into steam, absorb the heat of the cooled substance, and make the temperature of the refrigerated (frozen) substance Decrease to achieve the purpose of cooling. The evaporator is mainly made of a metal tube and a metal plate, and the aluminum tube and the aluminum plate are directly bonded. In the existing pasting method of this method, there is pitting corrosion at the junction of the tube and the plate, and the plate surface and the aluminum tube are prone to loosening over time, and the connection is not firm enough. Contents of the invention [0003] The purpose of the present invention is t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B39/00F28F19/02
Inventor 马功权
Owner HEFEI GREAT WALL REFRIGERATION TECH
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