阅读说明：本技术 太阳能集热装置的集热工艺 (Heat collection process of solar heat collection device ) 是由 沈伯学 于 2020-06-05 设计创作，主要内容包括：本发明公开了太阳能集热装置的集热工艺,该太阳能集热装置的集热工艺包括以下步骤：首先制作板芯与腔体,首先制作太阳能集热器的型材边框,按照规定的尺寸进行整合与切割,而后在型材的规定位置进行冲孔,其次上角铁,最后进行底板通过铆钉进行固定安装,备用得到制作完成的板芯与腔体；本发明所述的太阳能集热装置的集热工艺,通过制作板芯与腔体、部件在组装、喷涂图层、进行集热等步骤,使得制备的太阳能集热装置的集热效果好,同时采用了电镀黑铬工艺,使得集热时具有优异的选择性吸收性能和耐热蚀性能,操作简单,使用方便,具有良好的使用前景。(The invention discloses a heat collection process of a solar heat collection device, which comprises the following steps: firstly, manufacturing a plate core and a cavity, firstly manufacturing a section frame of a solar thermal collector, integrating and cutting according to a specified size, then punching a hole at a specified position of the section, then, installing angle iron, and finally, fixedly installing a bottom plate through a rivet to obtain the manufactured plate core and the manufactured cavity for later use; according to the heat collection process of the solar heat collection device, the steps of manufacturing the plate core and the cavity, assembling the parts, spraying the pattern layer, collecting heat and the like are performed, so that the prepared solar heat collection device is good in heat collection effect, and meanwhile, the black chromium electroplating process is adopted, so that the solar heat collection device is excellent in selective absorption performance and heat corrosion resistance during heat collection, simple to operate, convenient to use and good in use prospect.)

1. The heat collection process of the solar heat collection device is characterized by comprising the following steps:

firstly, manufacturing a section bar frame of a solar heat collector, integrating and cutting according to a specified size, punching a hole at a specified position of the section bar, then, installing angle iron, and finally, fixedly installing a bottom plate through a rivet to obtain the manufactured plate core and the manufactured cavity for later use;

step two, assembling parts, namely installing a heat preservation part and a heat absorption body at the upper end of the middle of the manufactured plate core and the cavity, covering the heat preservation part and the heat absorption body through a transparent cover plate, then pressing and sealing the edges of the frame and the cover plate through pressing strips, and finally packaging; obtaining assembled solar flat plate heat collecting equipment;

step three, spraying a coating, namely spraying the coating on the surface and the bottom of the assembled solar flat plate heat collection equipment, and then sequentially carrying out substrate pretreatment, a quaternary alloy zinc deposition process, copper plating, nickel plating and chromium plating, wherein in the process, the average current density is 40-55 amperes per square decimeter, the voltage is 8-12 volts, the electroplating time is 20-30min, and the coating is prepared by adopting distilled water or deionized water; then obtaining a sprayed black chromium coating;

and fourthly, collecting heat, namely firstly opening the solar flat plate device, under the condition of strong sunlight, starting to absorb heat by a heat insulation part and a heat absorption part in the heat collection equipment, storing the heat by the heat absorption part, controlling the heat by the heat insulation part, and then heating the water temperature by the collected heat to enable the temperature of the water to rise, thus finishing the heat collection process of the solar heat collection device and finally obtaining the solar heat collection device with heat.

2. The heat collection process of the solar heat collection device according to claim 2, wherein: and in the second step, during the pressing and sealing, a rolling composite wrapping type main device is adopted as a cold rolling mill to press 2 aluminum strips and 1 aluminum tube (copper tube) together mainly in a pressure mode.

3. The heat collection process of the solar heat collection device according to claim 2, wherein: and in the second step, the heat absorbing body consists of a collecting pipe, a branch pipe and a heat absorbing material, wherein the collecting pipe and the branch pipe form a flow channel, the flow channel and the heat absorbing material are combined to form the heat absorbing body, and the heat absorbing material absorbs heat and transmits the heat to a heat conducting medium in the flow channel by adopting a thermosiphon principle.

Technical Field

The invention belongs to the technical field of solar heat collection preparation, and particularly relates to a heat collection process of a solar heat collection device.

Background

Solar heat collection is a core component of a solar heat utilization system, a solar heat collector absorbs light of solar radiation to generate great heat energy and provide continuous power, the heat collector is externally provided with a top plate and a vacuum tube, and the heat collector is provided with special heat absorption devices which absorb the solar radiation and convert the solar radiation into heat energy and then transfer the heat energy to water (water is only one of heat transfer working media, and other materials comprise distilled water, gas and the like) so as to continuously increase the temperature of the water and obtain the desired hot water;

the traditional heat collection process has defects in use, the traditional heat collection process has poor absorption performance due to the fact that a coating or a solar oxidation coating is adopted in the process of preparing the heat collector in use, and meanwhile the heat collector is easy to corrode in long-time use and brings inconvenience to use.

Disclosure of Invention

The invention mainly aims to provide a heat collection process of a solar heat collection device, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the heat collection process of the solar heat collection device comprises the following steps:

firstly, manufacturing a section bar frame of a solar heat collector, integrating and cutting according to a specified size, punching a hole at a specified position of the section bar, then, installing angle iron, and finally, fixedly installing a bottom plate through a rivet to obtain the manufactured plate core and the manufactured cavity for later use;

step two, assembling parts, namely installing a heat preservation part and a heat absorption body at the upper end of the middle of the manufactured plate core and the cavity, covering the heat preservation part and the heat absorption body through a transparent cover plate, then pressing and sealing the edges of the frame and the cover plate through pressing strips, and finally packaging; obtaining assembled solar flat plate heat collecting equipment;

step three, spraying a coating, namely spraying the coating on the surface and the bottom of the assembled solar flat plate heat collection equipment, and then sequentially carrying out substrate pretreatment, a quaternary alloy zinc deposition process, copper plating, nickel plating and chromium plating, wherein in the process, the average current density is 40-55 amperes per square decimeter, the voltage is 8-12 volts, the electroplating time is 20-30min, and the coating is prepared by adopting distilled water or deionized water; then obtaining a sprayed black chromium coating;

and fourthly, collecting heat, namely firstly opening the solar flat plate device, under the condition of strong sunlight, starting to absorb heat by a heat insulation part and a heat absorption part in the heat collection equipment, storing the heat by the heat absorption part, controlling the heat by the heat insulation part, and then heating the water temperature by the collected heat to enable the temperature of the water to rise, thus finishing the heat collection process of the solar heat collection device and finally obtaining the solar heat collection device with heat.

Preferably, in the second step, a rolling composite wrapping type main device is adopted for pressing 2 aluminum strips and 1 aluminum tube (copper tube) together mainly in a pressure mode by a cold rolling mill.

Preferably, in the second step, the heat absorbing body is composed of a header, a branch pipe and a heat absorbing material, wherein the header and the branch pipe form a flow channel, the flow channel and the heat absorbing material are combined to form the heat absorbing body, and the heat absorbing material absorbs heat and transfers the heat to the heat conducting medium in the flow channel by adopting the principle of thermosiphon.

Compared with the prior art, the invention has the following beneficial effects: according to the heat collection process of the solar heat collection device, the steps of manufacturing the plate core and the cavity, assembling the parts, spraying the coating, collecting heat and the like are performed, so that the prepared solar heat collection device is good in heat collection effect, meanwhile, the black chromium electroplating process is adopted, so that the solar heat collection device has excellent selective absorption performance and heat corrosion resistance during heat collection, and the solar heat collection device is simple in manufacturing process and convenient to use.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Examples

During preparation, firstly, a plate core and a cavity are manufactured, firstly, a section bar frame of the solar thermal collector is manufactured, integration and cutting are carried out according to the specified size, then, punching is carried out at the specified position of the section bar, then, angle iron is arranged, and finally, a bottom plate is fixedly installed through rivets to obtain the manufactured plate core and cavity for later use; step two, assembling parts, namely installing a heat preservation part and a heat absorption body at the upper middle end of the prepared plate core and the cavity, wherein the heat absorption body consists of a collecting pipe, a branch pipe and a heat absorption material, the collecting pipe and the branch pipe form a flow channel, the flow channel and the heat absorption material are combined to form the heat absorption body, the heat absorption material absorbs heat and transmits the heat to a heat conduction medium in the flow channel by adopting the thermosyphon principle, then the heat conduction medium is covered by a transparent cover plate, then the frame and the periphery of the cover plate are pressed and sealed by a pressing strip, and 2 aluminum strips and 1 aluminum pipe (copper pipe) are pressed together mainly in a pressure mode by adopting a rolling composite wrapping type main device as a cold rolling mill during pressing and sealing, and finally packaging is carried out; obtaining assembled solar flat plate heat collecting equipment; step three, spraying a coating, namely spraying the coating on the surface and the bottom of the assembled solar flat plate heat collection equipment, and then sequentially carrying out substrate pretreatment, a quaternary alloy zinc deposition process, copper plating, nickel plating and chromium plating, wherein in the process, the average current density is 40-55 amperes per square decimeter, the voltage is 8-12 volts, the electroplating time is 20-30min, and the coating is prepared by adopting distilled water or deionized water; then obtaining a sprayed black chromium coating; and step four, heat collection is carried out, the solar flat plate device is firstly opened, under the condition of strong sunlight, the heat insulation part and the heat absorption part in the heat collection equipment can start to absorb heat, the heat absorption part can store the heat, the heat insulation part can control the heat, and then the collected heat is used for heating the water temperature, so that the temperature of the water rises, and the heat collection process of the solar heat collection device can be completed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.