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Production technology of pressure type solar water heater heat-collecting plate

A technology of solar water heater and production process, which is applied in solar thermal power generation, solar thermal device, heating device and other directions, can solve the problems of reducing production cost and low pressure bearing capacity of solar water heater collector plate, so as to reduce production cost and reduce water leakage. The effect of the ratio of , high pressure limit

Inactive Publication Date: 2012-09-05
YUXI XINGHONG SOLAR ENERGY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of low pressure bearing capacity of solar water heater heat collector plates in the background technology, the present invention aims to provide a flat plate solar water heater collector with high pressure bearing limit, simple processing technology, and close fit with traditional production technology. The hot plate and its production process can reduce the proportion of water leakage of the heat collecting tube and the scrap rate in the production process, greatly reducing the production cost

Method used

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  • Production technology of pressure type solar water heater heat-collecting plate
  • Production technology of pressure type solar water heater heat-collecting plate
  • Production technology of pressure type solar water heater heat-collecting plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 , 2 . As shown in 3, a pressure-bearing solar water heater collector plate, including aluminum strip (1), embedded pipe (2), is characterized in that: a branch copper pipe (3) is pierced in the embedded pipe (2) .

[0025] The embedded pipe (2) is a TP2 soft copper pipe, and the tributary copper pipe (3) is a TP2 hard copper pipe.

[0026] A pressure-bearing solar water heater heat collector. The production process is as follows: the soft pre-embedded pipe (2) undergoes straightening, preloading, overall oxidation film removal, and dust removal treatment, and is sandwiched between two pipes that have undergone oxidation film removal and dust removal treatments. between the aluminum strips (1), and then press the aluminum strip (1) and the pre-compressed embedded pipe (2) together through the pressing shaft, and use the mold to press the pressed aluminum strip (1) to strengthen Ribs (4), after winding, carry out alkali washing, pickling, oxidation an...

Embodiment 2

[0028] Such as figure 1 , 2 . As shown in 3, a pressure-bearing solar water heater collector plate, including aluminum strip (1), embedded pipe (2), is characterized in that: a branch copper pipe (3) is pierced in the embedded pipe (2) .

[0029] The embedded pipe (2) is a soft aluminum pipe, and the tributary copper pipe (3) is a TP2 hard copper pipe.

[0030] A pressure-bearing solar water heater heat collector, the production process is as follows: the soft pre-embedded aluminum tube (2) undergoes straightening, pre-pressing, overall oxidation film removal, and dust removal treatment, and is sandwiched between two tubes that have undergone oxidation film removal, dust removal Between the processed aluminum strips (1), the aluminum strip (1) and the pre-compressed embedded pipe (2) are pressed together through the pressing shaft, and the pressed aluminum strip (1) is pressed out using a mold Reinforcing ribs (4), after winding, carry out alkali washing, pickling, oxidati...

Embodiment 3

[0032] Such as figure 1 , 2 . As shown in 3, a pressure-bearing solar water heater collector plate, including aluminum strip (1), embedded pipe (2), is characterized in that: a branch copper pipe (3) is pierced in the embedded pipe (2) .

[0033] The embedded pipe (2) is a soft aluminum pipe, and the tributary copper pipe (3) is a semi-hard copper pipe.

[0034] A pressure-bearing solar water heater heat collector, the production process is as follows: the soft pre-embedded aluminum tube (2) undergoes straightening, pre-pressing, overall oxidation film removal, and dust removal treatment, and is sandwiched between two tubes that have undergone oxidation film removal, dust removal Between the processed aluminum strips (1), the aluminum strip (1) and the pre-compressed embedded pipe (2) are pressed together through the pressing shaft, and the pressed aluminum strip (1) is pressed out using a mold Reinforcing ribs (4), after winding, carry out alkali washing, pickling, oxidat...

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Abstract

The invention relates to a pressure type solar water heater heat-collecting plate which is mode of aluminum and copper. The heat-collecting plate comprises an aluminum belt, an embedded pipe and a branch copper pipe penetrating through the embedded pipe. The production technological process comprises the following steps: processing the flexible embedded pipe by aligning, prepressing, removing entire oxide film and dedusting, inserting the obtained embedded pipe between two aluminum belts which are processed by removing oxide film and dedusting, then using a pressure bearing to press the aluminum belts and the prepressed embedded pipe together, utilizing a mould to press the pressed aluminum belt and obtain a stiffener, then rolling, performing electrolytic oxidation for coloring, blowing under high pressure, performing stage cutting and other procedures to obtain a semi-finished product, wherein the technological process is characterized in that the semi-hard or hard branch copper pipe penetrates through the embedded pipe of the semi-finished product prepared by the above procedures and the two exposed ends of the branch copper pipe are 20+ / -3mm; then using a roller to perform gap-closing to ensure that the flexible aluminum belts and embedded pipe stick to the surface of the hard branch copper pipe, finally welding and assembling, and performing pressure test.

Description

technical field [0001] The invention belongs to the field of heat generation and utilization, and in particular relates to the structure and production process of a pressure-bearing solar water heater heat collecting plate. Background technique [0002] Flat-panel solar water heaters widely use aluminum sheets and copper tubes as heat collectors. The traditional heat collectors sandwich a copper tube between two layers of aluminum sheets and flatten them to make the copper and aluminum tightly bonded. After surface coating Pre-flattened copper tubes are blown into shape using high-pressure water or compressed air. However, the traditional heat collector only has two layers of pressure-bearing materials, aluminum sheets and copper tubes, and the copper tubes are rolled and inflated, and the bending parts will be damaged to a certain extent. The pressure-bearing limit is low, and it is suitable for low water supply pressure. site, the scrap rate in the production process is h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/48
CPCY02E10/40
Inventor 雷兴红林晓聪
Owner YUXI XINGHONG SOLAR ENERGY EQUIP
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