阅读说明：本技术 一种利用地热能的二氧化碳循环发电装置及使用方法 (Carbon dioxide circulating power generation device utilizing geothermal energy and use method ) 是由 王铁柱 徐志程 周毅 于 2021-06-30 设计创作，主要内容包括：本发明涉及一种利用地热能的二氧化碳发电装置,底板上第一发电机和第一透平传动连接,底板上支撑架的上表面固定连接有第二透平和第二发电机,且第二透平与第二发电机传动连接,固定架顶部换热罐内设有进气室和排气室,第一透平的出气端固定连接有第一连通管,且第一连通管的另一端与进气室相连通,蒸汽管的另一端与第一透平的进气端相连通,底板上冷却箱内设有集气室,排气室的一侧第二连通管穿过冷却箱并与集气室相连通,底板上表面压缩机的压缩管与集气室相连通,压缩机的出气端固定连接有注气管,本发明能够能够对气体中的热量进行二次利用,增加装置的发电量,同时能够对滤网进行震动防止滤网堵塞,提高装置使用效率。(The invention relates to a carbon dioxide power generation device utilizing geothermal energy, wherein a first generator on a bottom plate is in transmission connection with a first turbine, the upper surface of a support frame on the bottom plate is fixedly connected with a second turbine and a second generator, the second turbine is in transmission connection with the second generator, an air inlet chamber and an air outlet chamber are arranged in a heat exchange tank at the top of a fixing frame, an air outlet end of the first turbine is fixedly connected with a first communicating pipe, the other end of the first communicating pipe is communicated with the air inlet chamber, the other end of a steam pipe is communicated with the air inlet end of the first turbine, an air collection chamber is arranged in a cooling tank on the bottom plate, a second communicating pipe at one side of the air outlet chamber penetrates through the cooling tank and is communicated with the air collection chamber, a compression pipe of a compressor on the upper surface of the bottom plate is communicated with the air collection chamber, and an air injection pipe is fixedly connected with the air outlet end of the compressor. Simultaneously can shake the filter screen and prevent that the filter screen from blockking up, improve device availability factor.)

1. A carbon dioxide power generation device utilizing geothermal energy comprises a bottom plate (2) and is characterized in that a first generator (4) and a first turbine (6) are fixedly connected to the upper surface of the bottom plate (2), the first generator (4) is in transmission connection with the first turbine (6), an air inlet end of the first turbine (6) is fixedly connected with an air pipe (5), a support frame (3) and a fixing frame (19) are fixedly connected to the upper surface of the bottom plate (2), a second turbine (8) and a second generator (9) are fixedly connected to the upper surface of the support frame (3), the second turbine (8) is in transmission connection with the second generator (9), a heat exchange tank (7) is fixedly connected to the top of the fixing frame (19), an air inlet chamber (27) and an air outlet chamber (28) are arranged in the heat exchange tank (7), and a plurality of heat exchange tubes (26) are communicated between the air inlet chamber (27) and the air outlet chamber (28), the air outlet end of the first turbine (6) is fixedly connected with a first communicating pipe (20), the other end of the first communicating pipe (20) is communicated with an air inlet chamber (27), the top of the heat exchange tank (7) is fixedly connected with a steam pipe (15), one side of the steam pipe (15) is provided with an electromagnetic valve (17), the other end of the steam pipe (15) is communicated with the air inlet end of the first turbine (6), one side of the heat exchange tank (7) is fixedly connected with a pressure gauge (18), the upper surface of the bottom plate (2) is fixedly connected with a cooling box (10), an air collecting chamber (40) is arranged in the cooling box (10), one side of the exhaust chamber (28) is fixedly connected with a second communicating pipe (21), the second communicating pipe (21) penetrates through the cooling box (10) and is communicated with the air collecting chamber (40), the upper surface of the bottom plate (2) is fixedly connected with a compressor (11), the air inlet end fixedly connected with compression pipe (23) of compressor (11), and the other end and the collection chamber (40) of compression pipe (23) are linked together, the end fixedly connected with gas injection pipe (24) of giving vent to anger of compressor (11), the last fixed surface of bottom plate (2) is connected with rose box (1), and fixedly connected with intake pipe (12) and breathing pipe (25) are distinguished to the both sides of rose box (1), and the other end and collection chamber (40) of breathing pipe (25) are linked together, one side inner wall swing joint of rose box (1) has filter screen (35), be equipped with dust removal mechanism in rose box (1).

2. The carbon dioxide power plant using geothermal energy according to claim 1, the dust removal mechanism comprises a supporting plate (33), two tension springs (34) are fixedly connected to the upper surface of the supporting plate (33), the other ends of the tension springs (34) are fixed with a filter screen (35), the upper surface of the supporting plate (33) is fixedly connected with two top columns, the bottom of the filter screen (35) is fixedly connected with a top rod (37), the other end of the air suction pipe (25) is fixedly connected with an air collecting cylinder (30), the top of the air collecting cylinder (30) is fixedly connected with a cross (29), one side of the cross (29) is movably connected with a rotating shaft (32), one side of the rotating shaft (32) is movably connected with a plurality of fan blades (31), and flabellum (31) are located gas cylinder (30), the top fixedly connected with carousel (38) of pivot (32), and the upper surface fixedly connected with wedge (36) of carousel (38).

3. A carbon dioxide power plant using geothermal energy according to claim 1, wherein water-blocking plates (39) are fixedly attached to the top inner wall and the bottom inner wall of the cooling tank (10), and the water-blocking plates (39) are distributed in a staggered manner.

4. A carbon dioxide power plant using geothermal energy according to claim 3, wherein the cooling tank (10) is provided with a viewing port at one side thereof, and a window (22) is provided at one side thereof.

5. A carbon dioxide power plant using geothermal energy according to claim 1, wherein a valve seat is fixedly connected to the top of the heat exchange tank (7), and a safety valve (16) is fixedly connected to the top of the valve seat.

6. The carbon dioxide power generation device using geothermal energy as defined in claim 1, wherein a dust collection box (13) is fixedly connected to one side of the filter box (1), a first slot is formed in one side of the dust collection box (13), a partition plate (14) is movably connected to the first slot, an insertion rod (143) is fixedly connected to both sides of the partition plate (14), a limiting plate (142) is fixedly connected to both sides of the dust collection box (13), the insertion rod (143) is inserted into the limiting plate (142), a spring (141) is fixedly connected to one end of the insertion rod (143), and the other end of the spring (141) is fixed to the limiting plate (142).

7. The carbon dioxide power generation device using geothermal energy as claimed in claim 6, wherein a second slot is opened on one side of the dust box (13), a dust box (131) is movably connected in the second slot, and a handle is fixedly connected to one side of the dust box (131).

8. The carbon dioxide power generation plant using geothermal energy according to claim 2, wherein the push rod (37) has a roller (371) movably connected to one end thereof.

9. A method for using a carbon dioxide power generation device utilizing geothermal energy is characterized by comprising the following steps:

s1, firstly connecting an air inlet pipe (12) on a filter box (1) with external carbon dioxide collecting equipment, communicating an air injection pipe (24) and an air delivery pipe (5) with an underground dry hot rock geothermal reservoir, then starting a compressor (11), extracting air in an air collection chamber (40) in a cooling box (10) by the compressor (11), extracting the air filtered by a filter screen (35) in the filter box (1) through an air suction pipe (25) while extracting the air, then inputting the air into the underground dry hot rock geothermal reservoir after being compressed by the compressor (11), then heating and expanding the air in the dry hot rock geothermal reservoir, injecting the air into a first turbine (6) through the air delivery pipe (5), driving a first generator (4) to generate electricity by the first turbine (6), and then enabling the air to enter an air inlet chamber (27) through an air outlet end of the first turbine (6) along a first communication pipe (20), then the gas enters an exhaust chamber (28) through a heat exchange pipe (26), the gas has a large amount of heat due to the heating of the gas passing through the underground dry hot rock geothermal reservoir, so that the liquid in the heat exchange tank (7) is heated, when the pressure in the heat exchange tank (7) reaches an exhaust standard, an electromagnetic valve (17) is opened, the gas is exhausted from a steam pipe (15) to a second turbine (8), so that a second generator (9) generates electricity through the second turbine (8), the waste of energy is reduced, the gas exhausted from the second turbine (8) is collected by external equipment, and the gas exhausted from the exhaust chamber (28) is exhausted into a gas collection chamber (40) through a second communicating pipe (21) and is continuously extracted by a compressor (11) and exhausted into the underground dry hot rock geothermal reservoir for heating;

s2, when gas is extracted from the filter box (1), the gas passes through the gas collecting cylinder (30), under the action of wind, the fan blades (31) drive the rotating shaft (32) to rotate, the rotating shaft (32) drives the rotating disc (38) and the wedge-shaped block (36) to rotate simultaneously, when the wedge-shaped block (36) is in contact with the roller (371), the roller (371) and the ejector rod (37) are ejected, so that one end of the filter screen (35) is ejected, and when the wedge-shaped block (36) is out of contact with the roller (371), the other end of the filter screen (35) moves downwards under the action of the tension spring (34) and impacts the ejector column, so that vibration is generated, and impurities on the filter screen (35) are shaken and dropped onto the partition plate (14) in the dust collecting box (13);

s3, when the impurities on the partition plate (14) need to be cleaned, the partition plate (14) is pulled, the impurities on the partition plate (14) fall into the dust collection box (131) under the blocking of the first sliding chute, then the partition plate (14) is loosened, the partition plate (14) is reset along the first sliding chute under the action of the spring (141), so that the dust collection box (131) is sealed, then the impurities in the dust collection box (131) are treated by taking out the dust collection box (131), the equipment is prevented from being stopped for impurity treatment, and the equipment efficiency is improved;

s4, when the gas in the exhaust chamber (28) passes through the second communicating pipe (21), the cooling water in the cooling box (10) cools the gas in the second communicating pipe (21), and meanwhile, the plurality of water blocking plates (39) in the cooling box (10) increase the residence time of the cooling water in the cooling box (10) and enable the cooling water to be turned over up and down, so that the cooling water and the gas in the second communicating pipe (21) can perform sufficient heat exchange, and the temperature of the gas can be reduced.

Technical Field

The invention belongs to the technical field of new energy power generation, relates to a carbon dioxide power generation device and a using method thereof, and particularly relates to a carbon dioxide cyclic power generation device utilizing geothermal energy and a using method thereof.

Background

Climate change has become one of the problems affecting human survival and development, and carbon dioxide emitted from industry is considered as a main cause of climate warming. As the largest developing countries in the world, China takes primary energy mainly comprising coal and secondary energy mainly comprising thermal power as energy structures. CO of primary and secondary energy sources with rapid increase of total economic quantity₂The emission has the characteristics of fast growth and large total amount, low-carbon energy, particularly renewable energy and new energy, developed to respond to climate change becomes common knowledge of people, and geothermal resource utilization power generation, supercritical carbon dioxide power generation and the like are widely concerned.

Geothermal heat is mainly the heat energy generated by the thermonuclear reaction of long-lived radioisotopes inside the earth. The total heat content of rocks and liquids above 15 ℃ at 5000 meters depth from the surface of the earth is estimated to be about 14.5X 1021KJ, which is equivalent to about 4948 trillion tons of standard coal. According to its storage form, geothermal resources are classified into 5 types, which are steam type, hot water type, earth pressure type, dry hot rock type, and lava type. In China, geothermal resources are divided into high-temperature geothermal energy (higher than 150 ℃) and medium-low temperature geothermal energy (lower than 150 ℃) according to temperature, the high-temperature geothermal energy is mainly used for power generation, and the medium-low temperature geothermal energy is usually and directly used for heating, industrial and agricultural heating, aquaculture, medical treatment, bathing and the like. The geothermal resources in China are widely distributed and rich. Nationwide geothermal energy is available in quantities of 68 billion cubic meters per year, containing 973 trillion kilojoules of geothermal energy. According to the calculation of the district and mine bureau of Hebei province, the geothermal resource quantity which can be mined in Hebei plain only reaches 4.93 multiplied by 1020KJ, which is equivalent to 168147 hundred million tons of standard coal. The geothermal resources in the region mainly exist in an ancient buried mountain carbonate water storage layer of an upper third-series sandstone, an ancient life boundary and an upper middle ancient boundary, the geothermal resources are mainly distributed in a north China breaking and depression structure sedimentation area, the burial depth of the thermal storage layer is shallow, the burial depth is 3000m, the shallow geothermal resources are widely distributed, and the hot water temperature of a water outlet is up to 96 ℃. Although various gradient development and application schemes exist, the development and utilization types of geothermal resources are single at present, the temperature of waste geothermal water is high, geothermal resources are far from being fully utilized, and waste is serious. A new technical scheme is urgently needed to realize the sustainable utilization of geothermal resources and play a role in developing low-carbon economic industry and saving energy and reducing emission of the geothermal resources.

Carbon dioxide power generation is a novel power generation technology, after the first industrial revolution, the main utilization mode of heat energy is to convert heat energy into mechanical energy through a power system to provide power for activities of human beings, a supercritical carbon dioxide power generation system belongs to one type of the power system, carbon dioxide in a supercritical state is used as a working medium to convert heat of a heat source into mechanical energy, the heat source can be from a nuclear reactor, solar energy, geothermal energy, industrial waste heat, fossil fuel combustion and the like, wherein geothermal energy is widely applied, but the existing carbon dioxide cycle power generation device utilizing geothermal energy still has various problems.

In view of the above, it is urgently required to develop and design a carbon dioxide cycle power generation device which can utilize heat in the captured carbon dioxide gas, is environmentally friendly, and can reduce energy waste.

Disclosure of Invention

In view of the above, the present invention provides a carbon dioxide cycle power generation device using geothermal energy and a use method thereof, in order to solve the problem that the existing carbon dioxide power generation device using geothermal energy cannot utilize the heat in the expanded carbon dioxide gas, which results in energy waste.

In order to achieve the purpose, the invention provides the following technical scheme: a carbon dioxide cycle power generation device utilizing geothermal energy comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a first generator and a first turbine which are in transmission connection, the air inlet end of the first turbine is fixedly connected with an air pipe, the upper surface of the bottom plate is fixedly connected with a support frame and a fixed frame, the upper surface of the support frame is fixedly connected with a second turbine and a second generator which are in transmission connection, the top of the fixed frame is fixedly connected with a heat exchange tank, an air inlet chamber and an air outlet chamber are arranged in the heat exchange tank, a plurality of heat exchange tubes are communicated between the air inlet chamber and the air outlet chamber, the air outlet end of the first turbine is fixedly connected with a first communication tube, the other end of the first communication tube is communicated with the air inlet chamber, the top of the heat exchange tank is fixedly connected with a steam tube, and one side of the steam tube is provided with an electromagnetic valve, the other end of the steam pipe is communicated with the air inlet end of the first turbine, one side of the heat exchange tank is fixedly connected with a pressure gauge, the upper surface of the bottom plate is fixedly connected with a cooling box, a gas collection chamber is arranged in the cooling box, one side of the exhaust chamber is fixedly connected with a second communicating pipe, the second communicating pipe passes through the cooling box and is communicated with the gas collecting chamber, the upper surface of the bottom plate is fixedly connected with a compressor, the air inlet end of the compressor is fixedly connected with a compression pipe, the other end of the compression pipe is communicated with the gas collection chamber, the gas outlet end of the compressor is fixedly connected with a gas injection pipe, the upper surface of the bottom plate is fixedly connected with a filter box, both sides of the filter box are respectively and fixedly connected with an air inlet pipe and an air suction pipe, and the other end of the air suction pipe is communicated with the air collection chamber, the inner wall of one side of the filter box is movably connected with a filter screen, and a dust removal mechanism is arranged in the filter box.

Further, the upper surface of layer board fixedly connected with two extension springs, the other end and the filter screen of extension spring are fixed mutually, the upper surface of layer board fixedly connected with two fore-posts, the bottom fixedly connected with ejector pin of filter screen, the other end fixedly connected with gas cylinder of breathing pipe, the top fixedly connected with cross of gas cylinder, one side swing joint of cross has the pivot, and one side swing joint of pivot has a plurality of flabellums, and the flabellum is located the gas cylinder, the top fixedly connected with carousel of pivot, the upper surface fixedly connected with wedge of carousel.

On the basis of the scheme, the inner walls of the top and the bottom of the cooling box are fixedly connected with water blocking plates which are distributed in a staggered mode.

As a further scheme of the invention, one side of the cooling box is provided with an observation port, and one side of the observation port is provided with a window.

Furthermore, the top of the heat exchange tank is fixedly connected with a valve seat, and the top of the valve seat is fixedly connected with a safety valve.

On the basis of the scheme, one side of the filter box is fixedly connected with the dust collection box, one side of the dust collection box is provided with a first slot, a partition plate is movably connected in the first slot, inserting rods are fixedly connected to two sides of the partition plate, limiting plates are fixedly connected to two sides of the dust collection box, the inserting rods are connected with the limiting plates in an inserting mode, one end of each inserting rod is fixedly connected with a spring, and the other end of each spring is fixed with the limiting plate.

As a further scheme of the invention, a second slot is formed in one side of the dust collection box, a dust collection box is movably connected in the second slot, and a handle is fixedly connected to one side of the dust collection box.

Furthermore, one end of the ejector rod is movably connected with a roller.

A use method of a carbon dioxide cycle power generation device utilizing geothermal energy comprises the following steps:

s1, firstly connecting an air inlet pipe on a filter box with external carbon dioxide collecting equipment, communicating an air injection pipe and an air delivery pipe with an underground hot dry rock geothermal reservoir, then starting a compressor, extracting air in an air collection chamber in a cooling box by the compressor, extracting the air filtered by a filter screen in the filter box by an air suction pipe while extracting the air, then inputting the air into the underground hot dry rock geothermal reservoir after being compressed by the compressor, heating and expanding the air in the hot dry rock geothermal reservoir, then injecting the air into a first turbine through the air delivery pipe, driving a first generator to generate electricity by the first turbine, then leading the air to enter an air inlet chamber along a first communication pipe through an air outlet end of the first turbine, then leading the air to enter an air outlet chamber through a heat exchange pipe, and leading the air to have a large amount of heat because the air is heated by the underground hot dry rock geothermal reservoir, thereby heating liquid in a heat exchange tank, when the pressure in the heat exchange tank reaches the discharge standard, the electromagnetic valve is opened, and gas is discharged into the second turbine from the steam pipe, so that the second generator generates electricity through the second turbine, the waste of energy is reduced, the gas discharged from the second turbine is collected by external equipment, then the gas discharged from the exhaust chamber is discharged into the gas collection chamber through the second communicating pipe, then the gas is continuously extracted by the compressor and discharged into the underground dry-hot rock geothermal reservoir for heating;

s2, when the gas is extracted from the filter box, the gas passes through the gas collecting cylinder, under the action of wind, the fan blades drive the rotating shaft to rotate, the rotating shaft drives the rotating disc and the wedge block to rotate while rotating, when the wedge block is in contact with the roller, the roller and the ejector rod are jacked up, so that one end of the filter screen is jacked up, when the wedge block is out of contact with the roller, the other end of the filter screen moves downwards under the action of the tension spring and impacts the jacking column, so that vibration is generated, and impurities on the filter screen are shaken down to a partition plate in the dust collecting box;

s3, when the impurities on the partition plate need to be cleaned, the partition plate is pulled, the impurities on the partition plate fall into the dust collection box under the blocking of the first sliding groove, then the partition plate is loosened, the partition plate is reset along the first sliding groove under the action of the spring, so that the dust collection box is sealed, then the impurities in the dust collection box are treated by taking out the dust collection box, the equipment is prevented from being stopped for impurity treatment, and the equipment efficiency is improved;

s4, when the gas in the exhaust chamber passes through the second communicating pipe, cooling water in the cooling box cools the gas in the second communicating pipe, meanwhile, the plurality of water blocking plates in the cooling box increase the retention time of the cooling water in the cooling box, and the cooling water is turned over up and down, so that the cooling water and the gas in the third communicating pipe perform sufficient heat exchange, and the temperature of the gas is reduced;

and S5, when the gas is heated and expanded in the underground dry hot rock geothermal reservoir, part of the gas permeates out of the dry hot rock geothermal reservoir and is stored underground, and part of the gas is reused after being expanded.

The invention has the beneficial effects that:

1. according to the carbon dioxide cycle power generation device utilizing geothermal energy, disclosed by the invention, the heat in the gas is secondarily utilized through the heat exchange box, so that the device can fully utilize the geothermal energy, the waste of the carbon dioxide energy is reduced, and the generated energy of the device is increased.

2. According to the carbon dioxide cycle power generation device utilizing geothermal energy, the air collecting cylinder and the fan blades are arranged on the air suction pipe, so that when the compressor extracts gas in the filter box, the fan blades can drive the rotating shaft to rotate and the filter screen to vibrate under the action of the wedge-shaped block, impurities on the filter screen can fall off, the filter screen is prevented from being blocked, and the automation degree of the whole device is improved.

3. According to the carbon dioxide cycle power generation device utilizing geothermal energy, the arrangement of the partition plate and the dust collection box in the dust collection box enables dust to be blocked by the partition plate when falling off, and impurities can fall into the dust collection box when the partition plate is pulled out, so that the impurities are removed under the non-stop state, and the use efficiency of the device is improved.

4. According to the carbon dioxide cycle power generation device utilizing geothermal energy, the retention time of cooling water in the cooling box is prolonged by arranging the plurality of water blocking plates in the cooling box, the cooling water and gas in the third communicating pipe are subjected to sufficient heat exchange, the temperature of the gas is reduced, and the cooling effect of the device is improved.

5. According to the carbon dioxide cycle power generation device utilizing geothermal energy, the insertion rod and the spring are matched for use, so that the partition plate can be tightly attached to the dust collection box under the action of the spring, gas leakage is prevented, and the sealing performance of the device is improved.

6. The carbon dioxide cycle power generation device utilizing geothermal energy disclosed by the invention has a compact structure and is simple to operate, liquid in the heat exchange box can be heated by introducing gas into the heat exchange box, so that heated steam enables the second turbine and the second generator to generate power, the energy loss is reduced, the filter screen can be vibrated when the compressor extracts gas in the filter box, impurities are shaken off, the filter screen is prevented from being blocked, manual cleaning is reduced, the equipment can clean the impurities under a non-stop state under the matching use of the partition board and the dust collection box, the use efficiency of the device is increased, and the cooling effect of the device can be improved by increasing the retention time of cooling water.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the specification set forth below.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a left perspective view of a carbon dioxide cycle power generation apparatus using geothermal energy according to the present invention;

FIG. 2 is a right perspective view of a carbon dioxide cycle power generation apparatus using geothermal energy according to the present invention;

FIG. 3 is a rear perspective view of a carbon dioxide circulation power generating apparatus using geothermal energy according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic cross-sectional view of a heat exchange tank in a carbon dioxide cycle power generation apparatus using geothermal energy according to the present invention;

FIG. 6 is a schematic cross-sectional view of a filter box in a carbon dioxide cycle power generation device using geothermal energy according to the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 6 according to the present invention;

FIG. 8 is a schematic cross-sectional view of a cooling tank in a carbon dioxide cycle power plant using geothermal energy according to the present invention;

fig. 9 is a schematic view of a front plan view of a carbon dioxide cycle power generation device using geothermal energy according to the present invention.

Reference numerals: 1. a filter box; 2. a base plate; 3. a support frame; 4. a first generator; 5. a gas delivery pipe; 6. a first turbine; 7. a heat exchange tank; 8. a second turbine; 9. a second generator; 10. a cooling tank; 11. a compressor; 12. an air inlet pipe; 13. a dust collection box; 131. a dust collecting box; 14. a partition plate; 141. a spring; 142. a limiting plate; 143. inserting a rod; 15. a steam pipe; 16. a safety valve; 17. an electromagnetic valve; 18. a pressure gauge; 19. a fixed mount; 20. a first communication pipe; 21. a second communicating pipe; 22. a window; 23. compressing the tube; 24. a gas injection pipe; 25. an air intake duct; 26. a heat exchange pipe; 27. an air intake chamber; 28. an exhaust chamber; 29. a cross; 30. a gas collecting cylinder; 31. a fan blade; 32. a rotating shaft; 33. a support plate; 34. a tension spring; 35. filtering with a screen; 36. a wedge block; 37. a top rod; 371. a drum; 38. a turntable; 39. a water-blocking plate; 40. and (5) collecting the gas.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic manner, and the features in the following embodiments and examples can be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and it is possible for those skilled in the art to understand the specific meaning of the above terms according to specific situations.

Example one

As shown in fig. 1 to 9, a carbon dioxide cycle power generation device using geothermal energy comprises a base plate 2, a first generator 4 and a first turbine 6 are fixed on the upper surface of the base plate 2 through bolts, the first generator 4 is in transmission connection with the first turbine 6, the first turbine 6 can drive the first generator 4 to generate power through rotation, an air inlet end of the first turbine 6 is fixed with an air pipe 5 through bolts, a support frame 3 and a fixing frame 19 are fixed on the upper surface of the base plate 2 through bolts, a second turbine 8 and a second generator 9 are fixed on the upper surface of the support frame 3 through bolts, the second turbine 8 is in transmission connection with the second generator 9, a heat exchange tank 7 is fixed on the top of the fixing frame 19 through bolts, an air inlet chamber 27 and an air outlet chamber 28 are arranged in the heat exchange tank 7, a plurality of heat exchange tubes 26 are communicated between the air inlet chamber 27 and the air outlet chamber 28, and the plurality of heat exchange tubes 26 can enable the gas to perform sufficient heat exchange when passing through the heat exchange tubes 26, the first communication pipe 20 is fixed to the outlet end of the first turbine 6 by bolts, and the other end of the first communication pipe 20 communicates with the inlet chamber 27.

A steam pipe 15 is fixed on the top of the heat exchange tank 7 through a bolt, an electromagnetic valve 17 is arranged on one side of the steam pipe 15, the other end of the steam pipe 15 is communicated with the air inlet end of the first turbine 6, a pressure gauge 18 is fixed on one side of the heat exchange tank 7 through a bolt, the pressure in the heat exchange tank 7 can be observed through the pressure gauge 18, when the pressure reaches the discharge standard, the electromagnetic valve 17 is opened, gas is discharged into the second turbine 8 from the steam pipe 15, the second generator 9 generates electricity through the second turbine 8, a cooling tank 10 is fixed on the upper surface of the bottom plate 2 through a bolt, an air collection chamber 40 is arranged in the cooling tank 10, a second communicating pipe 21 is fixed on one side of the exhaust chamber 28 through a bolt, and the second communicating pipe 21 passes through the cooling tank 10 and is communicated with the air collection chamber 40.

The upper surface of bottom plate 2 is fixed with compressor 11 through the bolt, the inlet end of compressor 11 is fixed with compressing pipe 23 through the bolt, and the other end of compressing pipe 23 is linked together with collection chamber 40, the exhaust gas passes through second communicating pipe 21 and discharges into collection chamber 40 in the exhaust chamber 28, then continue to be extracted by compressor 11, it heats to discharge into the dry and hot rock geothermal reservoir in the underground, the end of giving vent to anger of compressor 11 is fixed with gas injection pipe 24 through the bolt, the upper surface of bottom plate 2 is fixed with rose box 1 through the bolt, there are intake pipe 12 and breathing pipe 25 respectively through the bolt fastening in the both sides of rose box 1, and the other end of breathing pipe 25 is linked together with collection chamber 40, one side inner wall of rose box 1 rotates and is connected with filter screen 35, can filter the impurity in the gas through filter screen 35, be equipped with dust removal mechanism in the rose box 1.

In the invention, the dust removing mechanism comprises a supporting plate 33, two tension springs 34 are fixed on the upper surface of the supporting plate 33 through bolts, the other ends of the tension springs 34 are fixed with a filter screen 35, two top columns are fixed on the upper surface of the supporting plate 33 through bolts, the top columns support the filter screen 35 when the filter screen 35 falls down, so that the filter screen 35 has recoil force, a top rod 37 is fixed on the bottom of the filter screen 35 through bolts, a gas collecting cylinder 30 is fixed on the other end of the air suction pipe 25 through bolts, a cross 29 is fixed on the top of the gas collecting cylinder 30 through bolts, a rotating shaft 32 is rotatably connected on one side of the cross 29, a plurality of fan blades 31 are rotatably connected on one side of the rotating shaft 32, the fan blades 31 are positioned in the gas collecting cylinder 30, a rotating disc 38 is fixed on the top of the rotating shaft 32 through bolts, a wedge-shaped block 36 is fixed on the upper surface of the rotating disc 38 through bolts, the fan blades 31 drive the rotating shaft 32 to rotate, and drive the rotating disc 38 and the wedge-shaped block 36 to rotate, when the wedge block 36 is in contact with the roller 371, the roller 371 and the ejector rod 37 are ejected, so that one end of the filter screen 35 is ejected, and when the wedge block 36 is out of contact with the roller 371, the other end of the filter screen 35 moves downward under the action of the tension spring 34 and strikes against the ejection column, thereby generating vibration.

It should be noted that, the top inner wall and the bottom inner wall of cooler bin 10 all have water-blocking plate 39 through the bolt fastening, and water-blocking plate 39 distributes in a staggered manner, water-blocking plate 39 increases the dwell time of cooling water in cooler bin 10, and make the cooling water turn over from top to bottom, make the cooling water carry out abundant heat exchange with the gas in the second communicating pipe 21, the viewing aperture has been seted up to one side of cooler bin 10, one side of viewing aperture is equipped with window 22, can observe the liquid level in cooler bin 10 through window 22, the top welding of heat transfer jar 7 has the disk seat, the top of disk seat has relief valve 16 through the bolt fastening, relief valve 16 can avoid the too high pressure in the heat transfer jar 7 to produce danger.

Example two

This embodiment is a further improvement of the previous embodiment: as shown in fig. 1 to 9, a carbon dioxide cycle power generation device using geothermal energy comprises a base plate 2, a first generator 4 and a first turbine 6 are fixed on the upper surface of the base plate 2 through bolts, the first generator 4 is in transmission connection with the first turbine 6, the first turbine 6 can drive the first generator 4 to generate power through rotation, an air inlet end of the first turbine 6 is fixed with an air pipe 5 through bolts, a support frame 3 and a fixing frame 19 are fixed on the upper surface of the base plate 2 through bolts, a second turbine 8 and a second generator 9 are fixed on the upper surface of the support frame 3 through bolts, the second turbine 8 is in transmission connection with the second generator 9, a heat exchange tank 7 is fixed on the top of the fixing frame 19 through bolts, an air inlet chamber 27 and an air outlet chamber 28 are arranged in the heat exchange tank 7, a plurality of heat exchange tubes 26 are communicated between the air inlet chamber 27 and the air outlet chamber 28, and the plurality of heat exchange tubes 26 can enable the gas to perform sufficient heat exchange when passing through the heat exchange tubes 26, a first communicating pipe 20 is fixed on the air outlet end of the first turbine 6 through a bolt, the other end of the first communicating pipe 20 is communicated with the air inlet chamber 27, a steam pipe 15 is fixed on the top of the heat exchange tank 7 through a bolt, an electromagnetic valve 17 is arranged on one side of the steam pipe 15, the other end of the steam pipe 15 is communicated with the air inlet end of the first turbine 6, a pressure gauge 18 is fixed on one side of the heat exchange tank 7 through a bolt, the pressure in the heat exchange tank 7 can be observed through the pressure gauge 18, when the pressure reaches the discharge standard, the electromagnetic valve 17 is opened, gas is discharged from the steam pipe 15 to the second turbine 8, the second generator 9 generates electricity through the second turbine 8, a cooling box 10 is fixed on the upper surface of the bottom plate 2 through a bolt, an air collection chamber 40 is arranged in the cooling box 10, a second communicating pipe 21 is fixed on one side of the air outlet chamber 28 through a bolt, and the second communicating pipe 21 passes through the cooling box 10 and is communicated with the air collection chamber 40, the upper surface of bottom plate 2 is fixed with compressor 11 through the bolt, the inlet end of compressor 11 is fixed with compressing pipe 23 through the bolt, and the other end of compressing pipe 23 is linked together with collection chamber 40, the exhaust gas passes through second communicating pipe 21 and discharges into collection chamber 40 in the exhaust chamber 28, then continue to be extracted by compressor 11, it heats to discharge into the dry and hot rock geothermal reservoir in the underground, the end of giving vent to anger of compressor 11 is fixed with gas injection pipe 24 through the bolt, the upper surface of bottom plate 2 is fixed with rose box 1 through the bolt, there are intake pipe 12 and breathing pipe 25 respectively through the bolt fastening in the both sides of rose box 1, and the other end of breathing pipe 25 is linked together with collection chamber 40, one side inner wall of rose box 1 rotates and is connected with filter screen 35, can filter the impurity in the gas through filter screen 35, be equipped with dust removal mechanism in the rose box 1.

In the invention, the dust removing mechanism comprises a supporting plate 33, two tension springs 34 are fixed on the upper surface of the supporting plate 33 through bolts, the other ends of the tension springs 34 are fixed with a filter screen 35, two top columns are fixed on the upper surface of the supporting plate 33 through bolts, the top columns support the filter screen 35 when the filter screen 35 falls down, so that the filter screen 35 has recoil force, a top rod 37 is fixed on the bottom of the filter screen 35 through bolts, a gas collecting cylinder 30 is fixed on the other end of the air suction pipe 25 through bolts, a cross 29 is fixed on the top of the gas collecting cylinder 30 through bolts, a rotating shaft 32 is rotatably connected on one side of the cross 29, a plurality of fan blades 31 are rotatably connected on one side of the rotating shaft 32, the fan blades 31 are positioned in the gas collecting cylinder 30, a rotating disc 38 is fixed on the top of the rotating shaft 32 through bolts, a wedge-shaped block 36 is fixed on the upper surface of the rotating disc 38 through bolts, the fan blades 31 drive the rotating shaft 32 to rotate, and drive the rotating disc 38 and the wedge-shaped block 36 to rotate, when the wedge block 36 is in contact with the roller 371, the roller 371 and the ejector rod 37 are ejected, so that one end of the filter screen 35 is ejected, and when the wedge block 36 is out of contact with the roller 371, the other end of the filter screen 35 moves downward under the action of the tension spring 34 and strikes against the ejection column, thereby generating vibration.

It should be noted that, the top inner wall and the bottom inner wall of cooler bin 10 all have water-blocking plate 39 through the bolt fastening, and water-blocking plate 39 distributes in a staggered manner, water-blocking plate 39 increases the dwell time of cooling water in cooler bin 10, and make the cooling water turn over from top to bottom, make the cooling water carry out abundant heat exchange with the gas in the second communicating pipe 21, the viewing aperture has been seted up to one side of cooler bin 10, one side of viewing aperture is equipped with window 22, can observe the liquid level in cooler bin 10 through window 22, the top welding of heat transfer jar 7 has the disk seat, the top of disk seat has relief valve 16 through the bolt fastening, relief valve 16 can avoid the too high pressure in the heat transfer jar 7 to produce danger.

According to the invention, the dust collection box 13 is fixed on one side of the filter box 1 through bolts, a first slot is formed in one side of the dust collection box 13, the partition plate 14 is inserted in the first slot, the insertion rods 143 are fixed on two sides of the partition plate 14 through bolts, the limiting plates 142 are fixed on two sides of the dust collection box 13 through bolts, the insertion rods 143 are inserted into the limiting plates 142, the springs 141 are fixed on one ends of the insertion rods 143 through bolts, the other ends of the springs 141 are fixed with the limiting plates 142, and the partition plate 14 can be tightly attached to the dust collection box 13 under the action of the springs 141 so as to prevent gas leakage.

According to the dust collection box, a second slot is formed in one side of the dust collection box 13, the dust collection box 131 is inserted in the second slot, the partition plate 14 is pulled, impurities on the partition plate 14 fall into the dust collection box 131 under the blocking of the first sliding groove, then the partition plate 14 is loosened, the partition plate 14 is reset along the first sliding groove under the action of the spring 141, the dust collection box 13 is sealed, then the impurities in the dust collection box 131 are processed by taking out the dust collection box 131, the phenomenon that the equipment is stopped to process the impurities is avoided, the efficiency of the equipment is improved, a handle is welded to one side of the dust collection box 131, one end of the ejector rod 37 is rotatably connected with the roller 371, the friction between the ejector rod 37 and the wedge-shaped block 36 can be reduced through the roller 371, and the service life of the device is prolonged.

The advantages of the second embodiment over the first embodiment are:

firstly, through inserting the partition plate 14 in the dust collection box 13, the impurities vibrated down on the filter screen 35 can be received by the partition plate 14, so that the cleaning is convenient;

secondly, the arrangement of the dust collection box 131 in the dust collection box 13 enables the partition plate 14 to be pulled, so that impurities on the partition plate 14 fall into the dust collection box 131 under the blocking of the first sliding chute, and the shutdown for cleaning the impurities is avoided;

thirdly, through the use of the spring 141 and the inserted bar 143, the clapboard 14 can be tightly attached to the dust collection box 13 under the action of the spring 141;

fourthly, the roller 371 is installed on the top rod 37, so that the friction between the top rod 37 and the wedge block 36 can be reduced, and the service life of the device is prolonged.

A use method of a carbon dioxide cycle power generation device utilizing geothermal energy comprises the following steps:

s1, firstly connecting an air inlet pipe 12 on a filter box 1 with external carbon dioxide collecting equipment, communicating an air injection pipe 24 and an air delivery pipe 5 with an underground dry hot rock geothermal reservoir, then starting a compressor 11, extracting air in an air collection chamber 40 in a cooling box 10 by the compressor 11, extracting the air filtered by a filter screen 35 in the filter box 1 by an air suction pipe 25 while extracting the air, then inputting the air into the underground dry hot rock geothermal reservoir after being compressed by the compressor 11, then heating and expanding the air in the dry hot rock geothermal reservoir, then injecting the air into a first turbine 6 by the air delivery pipe 5, driving the first generator 4 to generate electricity by the first turbine 6, then leading the air into an air inlet chamber 27 along a first communication pipe 20 through an air outlet end of the first turbine 6, then leading the air into an air outlet chamber 28 through a heat exchange pipe 26, and heating the air by the underground dry hot rock geothermal reservoir, so that the gas has a large amount of heat, thereby heating the liquid in the heat exchange tank 7, when the pressure in the heat exchange tank 7 reaches the discharge standard, the electromagnetic valve 17 is opened, and the gas is discharged from the steam pipe 15 to the second turbine 8, so that the second generator 9 is used for generating electricity through the second turbine 8, thereby reducing the waste of energy, and the gas discharged from the second turbine 8 is collected by external equipment, and then the gas discharged from the exhaust chamber 28 is discharged into the gas collection chamber 40 through the second communicating pipe 21, and then is continuously extracted by the compressor 11, and is discharged into the underground dry hot rock geothermal reservoir for heating;

s2, when the gas is extracted from the filter box 1, the gas passes through the gas collecting cylinder 30, under the action of wind, the fan blades 31 drive the rotating shaft 32 to rotate, the rotating shaft 32 drives the rotating disc 38 and the wedge block 36 to rotate while rotating, when the wedge block 36 is in contact with the roller 371, the roller 371 and the ejector rod 37 are ejected, so that one end of the filter screen 35 is ejected, when the wedge block 36 is out of contact with the roller 371, the other end of the filter screen 35 moves downwards under the action of the tension spring 34 and impacts the ejection column, so that vibration is generated, and impurities on the filter screen 35 are shaken and dropped onto the partition plate 14 in the dust collecting box 13;

s3, when the impurities on the partition plate 14 need to be cleaned, the partition plate 14 is pulled, the impurities on the partition plate 14 fall into the dust collection box 131 under the blocking of the first sliding chute, then the partition plate 14 is loosened, the partition plate 14 is reset along the first sliding chute under the action of the spring 141, so that the dust collection box 13 is sealed, then the impurities in the dust collection box 131 are treated by taking out the dust collection box 131, the equipment is prevented from being stopped for impurity treatment, and the equipment efficiency is improved;

s4, when the gas in the exhaust chamber 28 passes through the second communication pipe 21, the cooling water in the cooling box 10 cools the gas in the second communication pipe 21, and the plurality of water blocking plates 39 in the cooling box 10 increase the retention time of the cooling water in the cooling box 10 and turn the cooling water up and down, so that the cooling water and the gas in the second communication pipe 21 perform sufficient heat exchange and the temperature of the gas is reduced;

and S5, when the gas is heated and expanded in the underground dry hot rock geothermal reservoir, part of the gas permeates out of the dry hot rock geothermal reservoir and is stored underground, and part of the gas is reused after being expanded.

Finally, the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solution of the present invention without departing from the spirit and scope of the technical solution, and the present invention shall be covered by the claims of the present invention.