CN216557715U - Baffle plate type solar heat collector with integrated baffle plate and heat collecting pipe fins - Google Patents

Abstract

The invention relates to a clapboard type solar heat collector with a clapboard and heat collecting tube fins integrated. The heat collecting device comprises a horizontal partition plate with a partition plate and heat collecting pipe fins integrated, a coiled heat collecting pipe, partition plates at the upper end and the lower end of an air passage, a heat insulation layer around a heat collecting cavity, an air passage of the heat collecting cavity, lighting hollow glass, a heat insulation layer at the bottom of the heat collecting cavity, a heat collecting bottom plate of the heat collecting cavity, an air passage at the end of the partition plate and an outer frame of the heat collector. The air flue is composed of a horizontal partition plate integrated by a partition plate and a heat collecting pipe fin, an upper partition plate and a lower partition plate of the air flue and a peripheral frame of a heat collecting cavity heat collecting bottom plate, when the heat collector is irradiated by sunlight, air in the air flue of the multilayer partition plate of the internal horizontal section can be heated to automatically rise layer by layer, a closed automatic cycle is formed when the top layer returns to the bottom layer through the upper and lower channels on the left side, and the effect of heating and heat gathering is achieved as a result of the cycle. Because the heat collecting pipe is directly placed in the heat collecting cavity with high temperature, the heating area is large, the heat conduction efficiency is high, and the photo-thermal conversion efficiency of the whole heat collector is obviously improved.

Description

Baffle plate type solar heat collector with integrated baffle plate and heat collecting pipe fins

Technical Field

The invention relates to the manufacture of solar energy utilization equipment, in particular to a partition plate type solar heat collector with integrated partition plates and heat collecting pipe fins.

Background

The horizontal partition plate type solar heat collector has the defects that a coil pipe type heat collecting pipe is arranged below a heat collecting cavity, the heat of the heat collecting pipe is transmitted from a contact point of the heat collecting pipe and a heat collecting bottom plate, the contact surface is insufficient, the transmission effect is poor, in addition, the manufacturing difficulty of a circulating air passage is increased below a heat collecting plate, and therefore the solar heat collector integrating a partition plate and a heat collecting pipe fin is specially developed.

Disclosure of Invention

The invention aims to provide a partition plate type solar heat collector integrating a partition plate and a heat collecting tube fin, which keeps the air passage function and the coil type flow passage characteristic of the original partition plate type solar heat collector, and moves the original coil type flow passage from the lower part of the original heat collecting plate to the upper part of the heat collecting plate, namely, the whole coil type heat collecting tube is placed in the inner space of a heat collecting cavity, and the heat collecting tube is covered by a horizontal partition plate integrating the partition plate and the heat collecting tube fin, and then is compacted and welded firmly, so that the heat collecting fin is tightly fixed on a bottom plate of the heat collecting cavity. The surface of the heat collecting fin is provided with a high-quality solar heat absorption coating. The heat collecting tube is tightly wrapped by the heat absorbing fin, the heat energy on the heat collecting fin can be effectively transmitted to the heat collecting tube, and the heat collecting tube transmits the heat energy to the heat conducting liquid in the tube. Effectively improving the heat conduction area and the heat conduction efficiency.

The invention provides a partition plate type solar heat collector with integrated partition plates and heat collecting pipe fins, which comprises a horizontal partition plate with integrated partition plates and heat collecting pipe fins, a coil type heat collecting pipe, partition plates at the upper end and the lower end of an air passage, a heat insulation layer at the periphery of a heat collecting cavity, an air passage of the heat collecting cavity, lighting hollow glass, a heat insulation layer at the bottom of the heat collecting cavity, a heat collecting bottom plate of the heat collecting cavity, an air passage at the partition plate end and an outer frame of the heat collector.

An upper partition plate and a lower partition plate are arranged at one end of the heat collecting cavity, the height of the upper partition plate is the same as that of a horizontal partition plate integrating the partition plate and the heat collecting tube fins, the function of the upper partition plate and the lower partition plate is dual, the first partition plate and a frame of the heat collecting cavity on the left side of the heat collecting cavity form an automatic circulating air passage, and air flow at the top is returned to a bottom passage; second, it is closely contacted with the left end of odd-numbered partition board of the horizontal partition boards, and forms a left channel for the circulating air flow to rise with the left end of even-numbered horizontal partition board.

When the heat collector is irradiated by sunlight, gas in the air passages of the multiple layers of partition plates at the inner horizontal section can be heated to automatically rise layer by layer, the gas returns to the bottom layer through the upper and lower channels at the left side to form closed automatic circulation, and the effect of heat collection and temperature rise is achieved as a result of the circulation.

Drawings

FIG. 1 is a schematic top view of a bulkhead type solar collector assembly with integrated bulkhead and collector tube fins;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic sectional view of the assembly of the horizontal partition plate integrated with the heat collecting tube fin, the heat conducting tube and the bottom plate of the heat collecting cavity.

Detailed Description

The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way.

As shown in the figure, 1-a horizontal partition plate with integrated partition plate and heat collecting pipe fin; 2-coiled pipe type heat collecting pipe; 3, the flow direction of the circulating air flow of the air passage is indicated; 4-upper and lower end baffles of the air passage; 5, heat insulation layers around the heat collection cavity; 6, a heat collection cavity air passage; 7, lighting hollow glass; 8, heat insulation layer at the bottom of the heat collection cavity; 9-heat collecting bottom plate of heat collecting cavity; 10-horizontal partition plate type solar heat collector with integrated partition plate and heat collecting tube fin; 11-baffle end air channel; 12-outer frame of heat collector.

The invention provides a horizontal partition plate type solar heat collector 10 integrating a partition plate and heat collecting pipe fins, which comprises a horizontal partition plate 1 integrating the partition plate and the heat collecting pipe fins, a coil type heat collecting pipe 2, an upper end partition plate 4 and a lower end partition plate 4 of an air passage, a heat insulating layer 5 around a heat collecting cavity, a heat collecting cavity air passage 6, lighting hollow glass 7, a heat insulating layer 8 at the bottom of the heat collecting cavity, a heat collecting bottom plate 9 of the heat collecting cavity, a partition plate type solar heat collector 10 integrating the partition plate and the heat collecting pipe fins, an air passage 11 at the partition plate end and an outer frame 12 of the heat collector.

As shown in the figure, a coiled heat collecting pipe 2 is placed in a heat collecting bottom plate 9 of a heat collecting cavity, then an upper end baffle plate 4 and a lower end baffle plate 4 of an air passage are placed, then a horizontal baffle plate 1 integrating the baffle plate and heat collecting pipe fins is buckled on the horizontal section of the coiled heat collecting pipe 2, then the horizontal baffle plate 1 and the heat collecting bottom plate 9 of the heat collecting cavity are tightly pressed and welded as shown in figure 3, the layout characteristics of the horizontal baffle plate 1 integrating the baffle plate and the heat collecting pipe fins are shown by taking the last one in figure 1 as an example, the left end is tightly attached to the upper end baffle plate 4 of the air passage, the width of the air passage 11 at the other end is close to the width of the air passage, the second baffle plate adjacent to the air passage is tightly attached to the frame of the heat collecting bottom plate at the right side with the horizontal baffle plate 1 integrating the heat collecting pipe fins, at the moment, the air passage 11 at the left side of the baffle plate end, and the rest are analogized in turn.

The heat absorption coating has two schemes, the first scheme is that the horizontal clapboard 1, the heat collection bottom plate 9 and the upper and lower end clapboards 4 are all made of blue membranes with heat absorption coatings, and the second scheme is that the materials in the first scheme are only high-quality aluminum plates, and the high-quality heat absorption coatings are sprayed after the materials are processed and formed.

The lighting hollow glass 7 can be formed by combining super-white toughened glass and organic materials with high quality, ageing resistance, high temperature resistance and high light transmittance. The first surface layer and the inner layer are both made of ultra-white toughened glass, so that the weather resistance is good, the weight is too heavy, the second surface layer is made of ultra-white toughened glass, the inner layer is made of an organic material with high quality, ageing resistance, high temperature resistance and high light transmittance, and the third layer is made of a high-quality organic material completely. The different combinations are determined by the different requirements of the use case.

After all metal fittings of a heat collection cavity of the heat collector are installed, a heat insulation layer 5 around the heat collection cavity is arranged around the heat collection cavity, a bottom heat insulation layer 8 is arranged at the bottom of the heat collection cavity, four sides of the heat collector are provided with an outer frame 12 of the heat collector, lighting hollow glass 7 and a sealing rubber gasket are arranged at the top of the heat collection cavity, and finally, a fastening strip of an aluminum frame on the periphery is fastened, so that the horizontal clapboard type solar heat collector 10 integrating the whole clapboard and the heat collection tube fins is manufactured. The heat collector is installed outdoors, after being irradiated by sunlight, the heat collecting coatings of a plurality of horizontal heat collecting small cavities can convert the light energy of the sunlight into heat energy, the heat energy can heat a heat collecting cavity heat collecting bottom plate 9 of a heat collector 10 and a horizontal partition plate 1 integrating a partition plate and a heat collecting pipe fin on one hand, and simultaneously heat gas in each small heat collecting cavity, the gas can automatically rise after being heated, the gas can be reheated step by step in the rising process, so that the gas temperature at the top layer is highest, the pressure is also maximum, the gas can return to the bottommost layer along the leftmost upper and lower gas passages, and a closed loop is automatically formed as shown in a circulating gas flow direction schematic 3 of the hollow arrow gas passage in fig. 1. As a result of the circulation, the top temperature of the heat collecting cavity is the highest, and at the moment, when liquid flows in the coil type heat collecting tube 2, the temperature of the uppermost heat conducting liquid is also the highest, so that the requirement of the heat collector 10 is completely met.

Advantageous effects

The partition plate type solar heat collector with the integrated partition plate and the heat collecting pipe fins moves an original horizontal partition plate solar heat collecting pipe from the bottom of a heat collecting cavity to the inside of the heat collecting cavity, changes an original flaky partition plate into the horizontal partition plate tightly wrapping the partition plate of the heat collecting pipe and integrating the heat collecting pipe fins, increases the contact surface of the heat collecting pipe with the horizontal partition plate integrating the partition plate and the heat collecting pipe fins to the maximum extent, improves the heat conduction efficiency of the heat collecting cavity and the coil pipe type heat collecting pipe, and synchronously improves the heat efficiency of the partition plate type solar heat collector integrating the partition plate with the heat collecting pipe fins and the working temperature of the heat collector. The heat collector is used in the extremely difficult occasions of solar photo-thermal application, namely solar heating in winter, and has great success. The product of the invention is applied to solar heating for years, and the following indexes are easily achieved: the solar heat collector can be used for heating in winter, hot water required for heating can be continuously provided in sunny days or cloudy climates between eyes, the temperature of the hot water can reach 40-60 ℃, the temperature of the heat collecting cavity can reach 65-85 ℃ in continuous heating, the heat energy collected by the heat collector can meet the heating requirement from the energy perspective, namely an auxiliary heat source is not required in sunny days or cloudy between eyes, the supplied room temperature can reach eighteen-degree to twenty-two-degree, the area ratio of heat collection to heated can reach 1: 5-1: 10, and the difference is caused by the heat load difference between single buildings and building groups. The solar energy-assisted heat supply device is a chemical solving agent for the predicament of national coal gas and coal electricity supply, and the future heat supply mode under the double-carbon economy is a solar energy + auxiliary heat source taking solar energy as the main source.

Claims (2)

1. A partition plate type solar heat collector integrating a partition plate and heat collecting pipe fins is characterized by comprising a horizontal partition plate integrating the partition plate and the heat collecting pipe fins, a coil type heat collecting pipe, a partition plate at the upper end and the lower end of an air passage, a heat insulation layer around a heat collecting cavity, an air passage of the heat collecting cavity, lighting hollow glass, a heat insulation layer at the bottom of the heat collecting cavity, a heat collecting bottom plate of the heat collecting cavity, an air passage at the partition plate end and an outer frame of the heat collector;

the partition plate type solar heat collector with the integrated partition plate and the heat collecting pipe fins moves an original horizontal partition plate solar heat collecting pipe from the bottom of a heat collecting cavity to the inside of the heat collecting cavity, and changes an original flaky partition plate into the horizontal partition plate which tightly wraps the heat collecting pipe and integrates the partition plate with the heat collecting pipe fins.

2. The partition plate type solar heat collector integrating the partition plate and the heat collecting pipe fins as claimed in claim 1 is characterized in that an upper partition plate and a lower partition plate are arranged at one end of a heat collecting cavity, the height of the upper partition plate and the lower partition plate is the same as that of a horizontal partition plate integrating the partition plate and the heat collecting pipe fins, and the function of the partition plate is dual; and secondly, the heat collector is in close contact with the left ends of odd-numbered partition plates of the horizontal partition plates and forms a left channel when circulating airflow rises with the left ends of even-numbered horizontal partition plates, after the heat collector is irradiated by sunlight, the air in the multilayer partition plate air passages of the internal horizontal section can be heated to automatically rise layer by layer, the air returns to the bottom through the left upper and lower channels to form closed automatic circulation, and the effect of heat collection and temperature rise is achieved as a result of the circulation.

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