Solar heat collector internally filled with adsorbate

Abstract

The utility model discloses a solar thermal collector internally filled with adsorbate, which comprises a base tube, a solar heat absorption film is arranged on the inner side of the base tube, a transparent thermal insulation tube is sleeved on the outer side of the solar heat absorption film, an end cover is fixedly mounted at the top end of the base tube, a contraction tube is fixedly mounted at the bottom of the base tube, and the contraction tube is sleeved on the transparent thermal insulation tube. One end of the shrinkage pipe is connected with a sealing gasket, and a communicating pipe penetrates through an inner cavity of the base pipe; the solar heat collector, the solar heat radiator, the condenser, the evaporator and other structures are combined to work at the same time, liquid refrigerants poured into the evaporator can be evaporated into vapor refrigerants after absorbing heat, and then the refrigerants are subjected to two phase change processes of'temperature difference phase change 'and'adsorption and temperature difference phase change'; the temperature difference phase change means that when the temperature of the condenser is lower than the temperature of the evaporator, the vapor-state refrigerant dissipates heat into the atmosphere through the condenser and is condensed into the liquid-state refrigerant to flow back to the evaporator.

Description

Technical Field

[0001] The utility model relates to the field of solar thermal collectors filled with adsorbents, in particular to a solar thermal collector filled with adsorbents. Background Art

[0002] The Qinghai-Tibet Plateau is the largest plateau in China and the highest in the world. Due to its high altitude, few clouds, thin air and good atmospheric transparency, it receives more solar radiation and has longer sunshine time. This situation makes the Qinghai-Tibet Plateau have the richest solar energy resources. According to statistics, the average annual solar radiation on the Qinghai-Tibet Plateau is 6000-8000MJ / m 2 , sunshine duration 3400h / a;

[0003] At present, the use of solar energy resources in the Qinghai-Tibet Plateau is still limited to photovoltaic power generation, that is, using the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. The key component of this technology is solar cells. The use of solar thermal energy is currently limited to solar thermal heating, and the application of solar thermal cooling is relatively imperfect. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a solar collector filled with adsorbents, which can solve the current utilization of solar energy resources in the Qinghai-Tibet Plateau, which is still limited to solar photovoltaic power generation, that is, using the photovoltaic effect of the semiconductor interface to directly convert light energy into electrical energy. The key element of this technology is the solar cell. The utilization of solar energy in terms of photothermal is currently limited to solar energy heat collection and heating, and the application of solar energy heat collection and cooling is relatively imperfect.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a solar collector filled with adsorbents, comprising a base tube, a solar heat absorption film is arranged on the inner side of the base tube, and a transparent insulation tube is sleeved on the outer side of the solar heat absorption film, an end cap is fixedly installed on the top of the base tube, a shrink tube is fixedly installed on the bottom of the base tube, and a sealing gasket is connected to one end of the shrink tube, a connecting tube passes through the inner cavity of the base tube, and a partition is sleeved on the outer surface of the connecting tube, a cavity is opened in the inner cavity of the connecting tube, and the inner side of the cavity is filled with adsorbents, a filtering structure is arranged in the inner cavity of the connecting tube, a solar radiator is welded and connected to the bottom of the base tube, and a condenser is connected to the other end of the solar radiator, and an evaporator is installed at the bottom of the condenser.

[0006] As a preferred technical solution of the utility model, the filtering structure includes a through cavity, air holes, a filter membrane, filter holes and a filter element. The through cavity is opened in the inner cavity of the connecting tube, the outer surface of the connecting tube is provided with air holes, the inner wall of the connecting tube is connected to the filter membrane, and the outer surface of the filter membrane is provided with filter holes, and a filter element is arranged on the inner side of the filter membrane.

[0007] As a preferred technical solution of the utility model, the sealing gaskets are symmetrically distributed along the transverse center line of the base pipe, and the sealing gaskets are in a circular ring shape as a whole.

[0008] As a preferred technical solution of the utility model, the partitions are equidistantly distributed on the outer surface of the connecting pipe, and the connecting pipe and the partitions are vertically distributed.

[0009] As a preferred technical solution of the utility model, the air holes are equidistantly arranged on the surface of the connecting tube, and the air holes are distributed in a perfect circle along the center point of the connecting tube.

[0010] As a preferred technical solution of the utility model, the filter holes are evenly distributed on the surface of the filter membrane, and the outer surface of the filter membrane is in contact with the inner wall of the connecting tube.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. The solar collector, solar radiator, condenser and evaporator structures are combined to work simultaneously. The liquid refrigerant poured into the evaporator can be evaporated into a vapor refrigerant after absorbing heat, and then the refrigerant undergoes two phase change processes, namely "temperature difference phase change" and "adsorption and temperature difference phase change"; the temperature difference phase change, that is, when the condenser temperature is lower than the evaporator temperature, the vapor refrigerant dissipates heat to the atmosphere through the condenser, and condenses into a liquid refrigerant and flows back to the evaporator, and the adsorption and temperature difference phase change, that is, under normal temperature, the vapor refrigerant is adsorbed by the adsorbate at room temperature in the solar collector, and the adsorbed saturated adsorbate heats up after absorbing solar heat, and the refrigerant molecules adsorbed by the adsorbate at room temperature are resolved into refrigerant molecules resolved after absorbing heat, and the refrigerant molecules resolved after absorbing heat are fully dissipated through the solar radiator, forming a vapor refrigerant in a cycle cooling, and phase changes into a liquid refrigerant after cycle cooling, and flows back to the evaporator;

[0013] 2. By using the filter membrane, filter holes and filter element in combination, the gas flowing inside the connecting pipe can be effectively filtered and purified, thereby removing impurities mixed in the air, ensuring that there will not be a large amount of impurities and other dust particles flowing during subsequent air circulation, causing subsequent dust particles to be adsorbed on the inner wall of the connecting pipe, which will lead to blockage of the inner wall of the connecting pipe in the long run. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a solar collector filled with adsorbents in the utility model;

[0015] Figure 2 It is a schematic diagram of the explosion structure of the solar collector connecting pipe filled with adsorbent in the utility model;

[0016] Figure 3 It is a schematic diagram of a partial cross-sectional structure of a solar collector filled with adsorbents in the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the solar collector connecting pipe filled with adsorbent in the utility model;

[0018] Figure 5 This is a schematic diagram of the front view structure of a solar collector filled with adsorbents in the utility model;

[0019] Among them: 1. base tube; 2. solar heat-absorbing film; 3. transparent insulation tube; 4. end cover; 5. shrink tube; 6. sealing gasket; 7. connecting tube; 8. partition; 9. cavity; 10. adsorbent; 11. through cavity; 12. pores; 13. filter membrane; 14. filter hole; 15. filter element; 16. solar radiator; 17. condenser; 18. evaporator. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0021] Example

[0022] Please refer to Figure 1 and Figure 5As shown, the utility model provides a solar collector filled with adsorbents, comprising a base tube 1, a solar heat absorbing film 2 is arranged on the inner side of the base tube 1, and a transparent heat preservation tube 3 is sleeved on the outer side of the solar heat absorbing film 2, an end cap 4 is fixedly installed on the top of the base tube 1, a shrink tube 5 is fixedly installed on the bottom of the base tube 1, and a sealing gasket 6 is connected to one end of the shrink tube 5, a connecting tube 7 passes through the inner cavity of the base tube 1, and a partition 8 is sleeved on the outer surface of the connecting tube 7, a cavity 9 is opened in the inner cavity of the connecting tube 7, and the inner side of the cavity 9 is filled with adsorbents 10, a filtering structure is arranged in the inner cavity of the connecting tube 7, a solar radiator 16 is welded and connected to the bottom of the base tube 1, and a condenser 17 is connected to the other end of the solar radiator 16, and an evaporator 18 is installed at the bottom of the condenser 17;

[0023] When using the structure, the base tube 1 is first connected to the solar radiator 16, and then the solar radiator 16 is installed with the condenser 17 and the evaporator 18. After the whole structure is assembled, the normal operation of the solar collector can be realized.

[0024] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, it includes a base tube 1, a solar heat absorption film 2 is arranged on the inner side of the base tube 1, and a transparent heat preservation tube 3 is sleeved on the outer side of the solar heat absorption film 2, an end cap 4 is fixedly installed on the top of the base tube 1, a shrink tube 5 is fixedly installed on the bottom of the base tube 1, and one end of the shrink tube 5 is connected to a sealing gasket 6, the sealing gasket 6 is symmetrically distributed along the transverse center line of the base tube 1, and the sealing gasket 6 is annular as a whole, a connecting tube 7 passes through the inner cavity of the base tube 1, and a partition 8 is sleeved on the outer surface of the connecting tube 7, the partitions 8 are equidistantly distributed on the outer surface of the connecting tube 7, and the connecting tube 7 and the partition 8 are distributed vertically, a cavity 9 is opened in the inner cavity of the connecting tube 7, and the inner side of the cavity 9 is filled with an adsorbent 10, and a filtering structure is arranged in the inner cavity of the connecting tube 7, and the filtering structure It comprises a through cavity 11, air holes 12, a filter membrane 13, filter holes 14 and a filter element 15. The through cavity 11 is opened in the inner cavity of the connecting tube 7. The outer surface of the connecting tube 7 is provided with air holes 12. The air holes 12 are equidistantly opened on the surface of the connecting tube 7, and the air holes 12 are distributed in a perfect circle along the center point of the connecting tube 7. The inner wall of the connecting tube 7 is connected with a filter membrane 13, and the outer surface of the filter membrane 13 is provided with filter holes 14. The filter holes 14 are equidistantly distributed on the surface of the filter membrane 13, and the outer surface of the filter membrane 13 is attached to the inner wall of the connecting tube 7. A filter element 15 is arranged on the inner side of the filter membrane 13. A solar radiator 16 is welded to the bottom of the base tube 1, and a condenser 17 is connected to the other end of the solar radiator 16. An evaporator 18 is installed at the bottom of the condenser 17.

[0025] When in use, the condenser 17 is made of metal materials with good thermal conductivity and high strength, such as carbon steel, stainless steel, etc. The metal material cannot react with corrosive chemical gases, and the condenser 17 is installed above the ground, and the evaporator 18 is also made of metal materials with good thermal conductivity and high strength, and the evaporator 18 is installed in the permafrost layer. During the assembly process of the entire structure, the base pipe 1 and the solar radiator 16 are connected by welding, and then the condenser 17 is welded and installed at the bottom of the solar radiator 16, and the evaporator 18 is welded and installed at the end of the condenser 17. After the welding connection is completed, the solar System leak detection of the solar thermal rod. After the leak detection is completed, the solar thermal rod is subjected to system vacuum treatment. After the vacuum is drawn, a certain amount of liquid refrigerant is added to the bottom of the evaporator 18, and the refrigerant filling port is sealed with sealing pliers, and the pipe cap is welded for protection. When the liquid refrigerant is poured into the inside of the evaporator 18, the liquid refrigerant absorbs heat and evaporates into "adsorption and temperature difference phase change" vapor refrigerant and "temperature difference phase change" vapor refrigerant. Subsequently, the refrigerant undergoes two phase change processes, "temperature difference phase change" and "adsorption and temperature difference phase change". The temperature difference phase change, that is, when the temperature of the condenser 17 is lower than the temperature of the evaporator 18, the "temperature difference phase change" vapor refrigerant The refrigerant loses heat to the atmosphere through the condenser 17, forming a "temperature difference phase change" vapor refrigerant after cooling, and forming a "temperature difference phase change" liquid refrigerant after cooling and flowing back to the evaporator 18; adsorption and temperature difference phase change, that is, at room temperature, the "adsorption and temperature difference phase change" vapor refrigerant is adsorbed by the adsorbent 10 at normal temperature filled in the inner cavity of the base tube 1, and the adsorbent 10 saturated with adsorption heat rises after absorbing solar heat, and the refrigerant molecules adsorbed by the adsorbent 10 at normal temperature are resolved into refrigerant molecules resolved after absorbing heat, and the refrigerant molecules resolved after absorbing heat are fully dissipated through the solar radiator 16. The vapor refrigerant in the cycle cooling is formed, and the phase is changed into the liquid refrigerant after the cycle cooling, and flows back to the evaporator 18. When the gas circulates on the inner side of the connecting pipe 7, it flows along the through cavity 11 opened in the inner cavity of the connecting pipe 7. Since the inner wall of the connecting pipe 7 is attached with a filter membrane 13, and the surface of the filter membrane 13 is provided with a plurality of filter holes 14, the combination of the filter membrane 13 and the filter holes 14 can effectively filter and purify the flowing air, so that the impurities and other particulates mixed in the air can be removed. Combined with the setting of the filter element 15, the air filtering and purification can be fully realized to ensure the purity of the circulating air.

[0026] Specific working principle:

[0027] The condenser 17 included in the whole structure is made of metal materials with good thermal conductivity and high strength, such as carbon steel, stainless steel, etc. The metal material cannot react with corrosive chemical gases, and the condenser 17 is installed above the ground, and the evaporator 18 is also made of metal materials with good thermal conductivity and high strength, and the evaporator 18 is installed in the permafrost layer. During the assembly process of the whole structure, the base pipe 1 and the solar radiator 16 are connected by welding, and then the condenser 17 is welded and installed at the bottom of the solar radiator 16, and the evaporator 18 is welded and installed at the end of the condenser 17. After the welding connection is completed, Carry out system leak detection on the solar thermal rod. After the leak detection is completed, perform system vacuum treatment on the solar thermal rod. After the vacuum is drawn, add a certain amount of liquid refrigerant to the bottom of the evaporator 18, seal the refrigerant filling port with sealing pliers, and weld a pipe cap for protection. When the liquid refrigerant is poured into the inside of the evaporator 18, the liquid refrigerant absorbs heat and evaporates into "adsorption and temperature difference phase change" vapor refrigerant and "temperature difference phase change" vapor refrigerant. Subsequently, the refrigerant undergoes two phase change processes, "temperature difference phase change" and "adsorption and temperature difference phase change". The temperature difference phase change, that is, when the temperature of the condenser 17 is lower than the temperature of the evaporator 18, the "temperature difference phase change" vapor refrigerant The refrigerant loses heat to the atmosphere through the condenser 17, forming a "temperature difference phase change" vapor refrigerant after cooling, and forming a "temperature difference phase change" liquid refrigerant after cooling and flowing back to the evaporator 18; adsorption and temperature difference phase change, that is, at room temperature, the "adsorption and temperature difference phase change" vapor refrigerant is adsorbed by the adsorbent 10 at normal temperature filled in the inner cavity of the base tube 1, and the adsorbent 10 saturated with adsorption heat rises after absorbing solar heat, and the refrigerant molecules adsorbed by the adsorbent 10 at normal temperature are resolved into refrigerant molecules resolved after absorbing heat, and the refrigerant molecules resolved after absorbing heat are fully dissipated through the solar radiator 16. , forming a vapor refrigerant in the circulation cooling, and changing into a liquid refrigerant after the circulation cooling, and flowing back to the evaporator 18. When the gas circulates on the inner side of the connecting tube 7, it will flow along the through cavity 11 opened in the inner cavity of the connecting tube 7. Since the inner wall of the connecting tube 7 is attached with a filter membrane 13, and a plurality of filter holes 14 are opened on the surface of the filter membrane 13, the flowing air can be effectively filtered and purified by combining the settings of the filter membrane 13 and the filter holes 14, so that the impurities and other particulates mixed in the air can be removed. Combined with the setting of the filter element 15, the air filtering and purification can be fully realized to ensure the purity of the circulating air.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A solar thermal collector filled with an adsorbent, comprising a base tube (1), characterized in that: A solar heat absorbing film (2) is arranged on the inner side of the base tube (1), and a transparent heat-insulating tube (3) is sleeved on the outer side of the solar heat absorbing film (2); an end cap (4) is fixedly mounted on the top of the base tube (1); a shrink tube (5) is fixedly mounted on the bottom of the base tube (1), and one end of the shrink tube (5) is connected to a sealing gasket (6); a connecting tube (7) passes through the inner cavity of the base tube (1), and a partition (8) is sleeved on the outer surface of the connecting tube (7); a cavity (9) is opened in the inner cavity of the connecting tube (7), and the inner side of the cavity (9) is filled with an adsorbent (10); a filtering structure is arranged in the inner cavity of the connecting tube (7); a solar radiator (16) is welded to the bottom of the base tube (1), and a condenser (17) is connected to the other end of the solar radiator (16); an evaporator (18) is mounted on the bottom of the condenser (17).

2. A solar thermal collector filled with adsorbent according to claim 1, characterized in that: The filtering structure comprises a through cavity (11), air holes (12), a filter membrane (13), filter holes (14) and a filter element (15); the through cavity (11) is opened in the inner cavity of the connecting tube (7); the air holes (12) are opened on the outer surface of the connecting tube (7); the filter membrane (13) is connected to the inner wall of the connecting tube (7); the filter holes (14) are opened on the outer surface of the filter membrane (13); and the filter element (15) is arranged on the inner side of the filter membrane (13).

3. A solar thermal collector filled with adsorbent according to claim 1, characterized in that: The sealing gaskets (6) are symmetrically distributed along the transverse center line of the base pipe (1), and the sealing gaskets (6) are in the shape of a circular ring as a whole.

4. A solar thermal collector filled with adsorbent according to claim 1, characterized in that: The partitions (8) are distributed at equal intervals on the outer surface of the connecting pipe (7), and the connecting pipe (7) and the partitions (8) are distributed vertically.

5. A solar thermal collector filled with adsorbent according to claim 2, characterized in that: The pores (12) are equidistantly arranged on the surface of the connecting tube (7), and the pores (12) are distributed in a perfect circle along the center point of the connecting tube (7).

6. A solar thermal collector filled with adsorbent according to claim 2, characterized in that: The filter holes (14) are evenly distributed on the surface of the filter membrane (13), and the outer surface of the filter membrane (13) is in contact with the inner wall of the connecting pipe (7).

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