CN110243087B - Geothermal energy heat exchange device - Google Patents
Geothermal energy heat exchange device Download PDFInfo
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- CN110243087B CN110243087B CN201910390397.2A CN201910390397A CN110243087B CN 110243087 B CN110243087 B CN 110243087B CN 201910390397 A CN201910390397 A CN 201910390397A CN 110243087 B CN110243087 B CN 110243087B
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- heat exchange
- cover plate
- pipes
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- plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a geothermal energy heat exchange device. The geothermal energy heat exchange device comprises a cover plate, a heat exchange structure, two circulating pipes, a driving structure, a cleaning net, a bottom plate and a reset structure, wherein the heat exchange structure for heat exchange is fixed on the cover plate, the heat exchange structure comprises two first connecting pipes, a second connecting pipe and four heat exchange pipes, the heat exchange pipes are fixed on the cover plate in a rectangular array manner, one ends of the four heat exchange pipes, which are far away from the cover plate, are provided with the two first connecting pipes at intervals, the second connecting pipe is fixed between the two adjacent heat exchange pipes, which are positioned at the end parts of the two first connecting pipes and are close to the cover plate, and the four heat exchange pipes are mutually communicated through the two first connecting pipes and the second connecting pipe; the two circulating pipes are arranged at one ends, close to the cover plate, of the two heat exchange pipes which are not connected to the second connecting pipe. The geothermal energy heat exchange device provided by the invention has the advantages of high heat exchange efficiency and convenience in cleaning sediment.
Description
Technical Field
The invention relates to the technical field of geothermal equipment, in particular to a geothermal energy heat exchange device.
Background
With the continuous development of the economic level of China and the improvement of scientific technology, people pay more attention to the heating of clean energy, geothermal energy is stored underground, the geothermal energy is natural heat energy extracted from the earth crust and is used, and geothermal water is converted into usable energy through heat exchange equipment.
However, when the heat exchange equipment is applied to a geothermal well with poor geology, the impurities and the silt in the geothermal well are more, so that the impurities and the silt are easily gathered on the heat exchange tube, the heat exchange performance of the heat exchange tube is influenced, and the heat exchange efficiency is reduced.
Therefore, there is a need to provide a new geothermal energy heat exchange device to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a geothermal energy heat exchange device which is high in heat exchange efficiency and convenient for cleaning sediment.
In order to solve the technical problem, the geothermal energy heat exchange device provided by the invention comprises: the heat exchange structure for heat exchange is fixed on the cover plate and comprises two first connecting pipes, two second connecting pipes and four heat exchange pipes, the four rectangular heat exchange pipes with cross-shaped sections are fixed on the cover plate, the two first connecting pipes are arranged at intervals at one ends of the four heat exchange pipes, which are far away from the cover plate, the second connecting pipe is fixed at one end, close to the cover plate, of the adjacent heat exchange pipes, which are not connected with the first connecting pipes, and the four heat exchange pipes are mutually communicated through the two first connecting pipes and the second connecting pipe; the two circulating pipes are arranged at one ends, close to the cover plate, of the two heat exchange pipes which are not connected to the second connecting pipe, and the circulating pipes penetrate through the cover plate; the driving structure is fixed on the cover plate; the latticed cleaning net is connected with the heat exchange tube in a sliding mode, and one end of the cleaning net is connected to the driving structure; the bottom plate is arranged at one end of the heat exchange tube, which is far away from the cover plate; the heat exchange tube is provided with a cover plate, the heat exchange tube is provided with a heat exchange tube, the heat exchange tube is arranged on the cover plate, the reset structure is arranged at one end of the heat exchange tube, which deviates from the cover plate, and the reset structure is.
Preferably, one end of the cover plate, which is close to the heat exchange tube, is provided with a sealing ring, and the sealing ring is of a cylinder structure consisting of a plurality of round tables.
Preferably, the drive structure includes mounting panel, four transfer lines, motor, drive plate, drive shaft and cam, the mounting panel is located the apron deviates from the one end of heat exchange tube, four the transfer line runs through respectively in the apron extends to clearance net, the transfer line with the apron reaches sliding connection between the mounting panel, the transfer line deviates from clearance net's one end is fixed with the drive plate, the motor is fixed in the mounting panel, the drive shaft is fixed in the motor, be equipped with the cylinder structure in the drive shaft the cam, the axle center distance of drive shaft the difference between the maximum distance and the minimum distance of the side of cam equals clearance net's sliding distance, the cam with the drive plate is contradicted.
Preferably, the heat exchange tube with can dismantle the connection between the apron, the apron with bolted connection between the mounting panel, just the cross-section of drive rod is regular hexagon structure.
Preferably, the driving structure further comprises a seal box, and the seal box is connected with the mounting plate through a bolt.
Preferably, the reset structure includes baffle, reset spring and actuating lever, the actuating lever is fixed in the heat exchange tube deviates from the one end of transfer line, the actuating lever with sliding connection between the bottom plate, the actuating lever run through in reset spring, reset spring's one end is contradicted the bottom plate, reset spring's the conflict of other one end the actuating lever, just be equipped with on the bottom plate the baffle.
Preferably, the cross section of the driving rod is of a regular hexagon structure.
Compared with the related art, the geothermal energy heat exchange device provided by the invention has the following beneficial effects:
the invention provides a geothermal energy heat exchange device, wherein the bottom end of a cover plate is provided with four heat exchange tubes, one end of each heat exchange tube, which is far away from the cover plate, is provided with two first connecting tubes at intervals, one end, which is close to the cover plate, of each two adjacent heat exchange tubes at the end parts of the two first connecting tubes is fixedly provided with a second connecting tube, so that the two adjacent heat exchange tubes are conducted, meanwhile, the cross sections of the heat exchange tubes are of a cross-shaped structure, the heat exchange area and the heat exchange length are increased, the heat exchange efficiency is greatly improved, meanwhile, the heat exchange tubes are provided with cleaning nets in sliding connection, the cleaning nets are connected with a driving structure, one end, which is far away from the driving structure, of each cleaning net is provided with a resetting structure, so that the driving structure is matched with the resetting structure to drive the cleaning nets to slide, and then effectively prevent silt to be in the collection on the heat exchange tube has promoted simultaneously near the rivers flow of heat exchange tube, and then make heat exchange efficiency higher.
Drawings
FIG. 1 is a schematic structural diagram of a geothermal energy heat exchange device according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is an enlarged view of the portion C shown in FIG. 3;
FIG. 5 is an enlarged view of the portion D shown in FIG. 3;
fig. 6 is a schematic structural view of the heat exchange tube shown in fig. 5.
Reference numbers in the figures: 1. the device comprises a base plate, 2, a reset structure, 21, a baffle plate, 22, a reset spring, 23, a driving rod, 3, a cleaning net, 4, a driving structure, 41, a mounting plate, 42, a driving rod, 43, a motor, 44, a driving plate, 45, a sealing box, 46, a driving shaft, 47, a cam, 5, a cover plate, 6, a heat exchange structure, 61, a first connecting pipe, 62, a second connecting pipe, 63, a heat exchange pipe, 7 and a sealing ring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a geothermal energy heat exchange device according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1; FIG. 4 is an enlarged view of the portion C shown in FIG. 3; FIG. 5 is an enlarged view of the portion D shown in FIG. 3; fig. 6 is a schematic structural view of the heat exchange tube shown in fig. 5.
As shown in the drawings, the geothermal energy heat exchange device provided by the embodiment of the invention comprises: the heat exchange structure 6 for heat exchange is fixed on the cover plate 5, the heat exchange structure 6 comprises two first connecting pipes 61, two second connecting pipes 62 and four heat exchange pipes 63, the four heat exchange pipes 63 with cross-shaped sections are fixed on the cover plate 5 in a rectangular array mode, one ends of the four heat exchange pipes 63 departing from the cover plate 5 are provided with the two first connecting pipes 61 at intervals, one end, close to the cover plate 5, of each two adjacent heat exchange pipes 63 which are not connected with the first connecting pipes 61 is fixed with the second connecting pipe 62, and the four heat exchange pipes 63 are mutually communicated through the two first connecting pipes 61 and the second connecting pipes 62; the two circulating pipes 8 are arranged at one ends, close to the cover plate 5, of the two heat exchange pipes 63 which are not connected to the second connecting pipe 62, and the circulating pipes 8 penetrate through the cover plate 5; the driving structure 4 is fixed on the cover plate 5; the latticed cleaning net 3 is connected with the heat exchange tube 63 in a sliding manner, and one end of the cleaning net 3 is connected with the driving structure 4; the bottom plate 1 is arranged at one end of the heat exchange tube 63 deviating from the cover plate 5; the resetting structure 2 is arranged at one end of the heat exchange tube 63 deviating from the cover plate 5, and the resetting structure 2 is arranged in the bottom plate 1.
A sealing ring 7 is arranged at one end, close to the heat exchange tube 63, of the cover plate 5, and the sealing ring 7 is of a cylinder structure formed by a plurality of circular truncated cones; firstly will apron 5 is fixed at the geothermal well head, makes sealing washer 7 contradicts with the geothermal well head, sealing washer 7 is the cylinder structure that a plurality of round tables are constituteed, and then makes the leakproofness between apron 5 and the geothermal well is better, the effectual inside that prevents sewage and get into the geothermal well.
The drive structure 4 comprises a mounting plate 41, four transmission rods 42, a motor 43, a drive plate 44, a drive shaft 46 and a cam 47, the mounting plate 41 is arranged at one end of the cover plate 5, which is far away from the heat exchange tube 63, the four driving rods 42 respectively penetrate through the cover plate 5 and extend to the cleaning net 3, the driving rod 42 is connected with the cover plate 5 and the mounting plate 41 in a sliding way, one end of the driving rod 42, which is far away from the cleaning net 3, is fixed with the driving plate 44, the motor 43 is fixed to the mounting plate 41, the drive shaft 46 is fixed to the motor 43, the driving shaft 46 is provided with the cam 47 with a cylindrical structure, the difference between the maximum distance and the minimum distance from the axis of the driving shaft 46 to the side edge of the cam 47 is equal to the sliding distance of the cleaning net 3, and the cam 47 is abutted against the driving plate 44; the motor 43 is powered on, when the motor 43 rotates, the motor 43 drives the cam 47 to rotate through the driving shaft 46, the cam 47 abuts against the driving plate 44, the driving plate 44 pushes the transmission rod 42 with a regular hexagonal structure to slide between the cover plate 5 and the mounting plate 41, the transmission rod 42 drives the cleaning net 3 and the heat exchange tube 63 to slide, the reset spring 22 at the other end of the cleaning net 3 is extruded and contracted, when the pressure between the driving plate 44 and the cam 47 is reduced, the reset spring 22 extends, the reset spring 22 drives the driving rod 23 to drive the cleaning net 3 to reset, the section of the driving rod 23 is in a regular hexagon shape, so that the transmission of the driving rod 23 is more stable, and silt on the heat exchange tube 63 is cleaned through the reciprocating sliding of the cleaning net 3 and the heat exchange tube 63, the accumulation of silt on the heat exchange tube 63 is avoided.
The heat exchange tube 63 is detachably connected with the cover plate 5, the cover plate 5 is connected with the mounting plate 41 through bolts, and the section of the transmission rod 42 is of a regular hexagon structure; the transfer line 42 is the regular hexagon structure, and then effectual prevention the transfer line 42 with the mounting panel 41 rotates, and then makes the transmission of transfer line 42 is more stable, simultaneously the mounting panel 41 with pass through bolted connection between the apron 5, and then effectual protection the apron 5 with bolt between the heat exchange tube 63.
The driving structure 4 further comprises a seal box 45, and the seal box 45 is connected with the mounting plate 41 through a bolt; and meanwhile, the sealing box 45 is matched for use, so that water and dust accumulation on the motor 43 are effectively prevented, and the service performance of the motor 43 is improved.
The reset structure 2 comprises a baffle 21, a reset spring 22 and a driving rod 23, the driving rod 23 is fixed at one end of the heat exchange tube 63 departing from the transmission rod 42, the driving rod 23 is connected with the bottom plate 1 in a sliding manner, the driving rod 23 penetrates through the reset spring 22, one end of the reset spring 22 abuts against the bottom plate 1, the other end of the reset spring 22 abuts against the driving rod 23, and the bottom plate 1 is provided with the baffle 21; the section of the driving rod 23 is of a regular hexagon structure; the return spring 22 at the other end of the cleaning net 3 is extruded and contracted, when the pressure between the driving plate 44 and the cam 47 is reduced, the return spring 22 is extended, the return spring 22 drives the driving rod 23 to drive the cleaning net 3 to reset, the section of the driving rod 23 is in a regular hexagon shape, and the driving rod 23 is driven to be more stable.
The working principle of the geothermal energy heat exchange device provided by the invention is as follows:
when in use, firstly, the cover plate 5 is fixed at the wellhead of the geothermal well, so that the sealing ring 7 is abutted against the wellhead of the geothermal well, the sealing ring 7 is in a cylindrical structure consisting of a plurality of round tables, further, the sealing performance between the cover plate 5 and the geothermal well is better, sewage is effectively prevented from entering the interior of the geothermal well, the end parts of the two circulating pipes 8 are respectively connected to an air inlet pipe and an air outlet pipe of the geothermal air conditioner, the motor 43 is powered on, when the motor 43 rotates, the motor 43 drives the cam 47 to rotate through the driving shaft 46, the cam 47 is abutted against the driving plate 44, the driving plate 44 pushes the driving rod 42 in a regular hexagon structure to slide between the cover plate 5 and the mounting plate 41, the driving rod 42 drives the cleaning net 3 to slide between the heat exchange pipes 63, and the return spring 22 at the other end of the cleaning net 3 is extruded and contracted, when the pressure between the driving plate 44 and the cam 47 is reduced, the reset spring 22 extends, the reset spring 22 drives the driving rod 23 to drive the cleaning net 3 to reset, the section of the driving rod 23 is regular hexagon, so that the transmission of the driving rod 23 is more stable, and then the cleaning net 3 and the heat exchange tube 63 slide to and fro to clean the silt on the heat exchange tube 63, thereby avoiding the accumulation of the silt on the heat exchange tube 63, the driving rod 42 is in a regular hexagon structure, so that the driving rod 42 and the mounting plate 41 are effectively prevented from rotating, so that the transmission of the driving rod 42 is more stable, meanwhile, the mounting plate 41 and the cover plate 5 are connected through bolts, so that the bolts between the cover plate 5 and the heat exchange tube 63 are effectively protected, and meanwhile, the sealing box 45 is matched for use, so that the water accumulation and dust accumulation on the motor 43 are effectively prevented, the service performance of the motor 43 is improved, the bottom end of the cover plate 5 is provided with four heat exchange tubes 63, two first connecting tubes 61 are arranged at intervals at one ends of the four heat exchange tubes 63 departing from the cover plate 5, the second connecting tube 62 is fixed at one end of the two heat exchange tubes 63 adjacent to the end portions of the two first connecting tubes 61 close to the cover plate 5, so that the two adjacent heat exchange tubes 63 are conducted, meanwhile, the cross section of each heat exchange tube 63 is of a cross-shaped structure, the heat exchange area and the heat exchange length are increased, the heat exchange efficiency is greatly improved, meanwhile, the heat exchange tubes 63 are provided with the cleaning net 3 in sliding connection, the cleaning net 3 is connected to the driving structure 4, the reset structure 2 is arranged at one end of the cleaning net 3 departing from the driving structure 4, and the cleaning net 3 is driven to slide on the heat exchange tubes 63 in a reciprocating manner by the cooperation of the driving structure 4 and the reset structure 2, and then effectual preventing silt is in gathering on the heat exchange tube 63, promoted simultaneously near the rivers flow of heat exchange tube 63, and then make heat exchange efficiency higher, bottom plate 1 cooperation the setting of apron 5 makes the heat exchange tube 63 is fixed more firm, the setting up of baffle 21 makes actuating lever 23 with reset spring 22 overhauls and maintains convenient and fast more.
Compared with the related art, the geothermal energy heat exchange device provided by the invention has the following beneficial effects:
the invention provides a geothermal energy heat exchange device, wherein four heat exchange tubes 63 are arranged at the bottom end of a cover plate 5, two first connecting tubes 61 are arranged at intervals at one ends of the four heat exchange tubes 63 departing from the cover plate 5, a second connecting tube 62 is fixed between one ends of two adjacent heat exchange tubes 63 which are positioned at the end parts of the two first connecting tubes 61 and close to the cover plate 5, so that the two adjacent heat exchange tubes 63 are conducted, meanwhile, the cross sections of the heat exchange tubes 63 are of a cross-shaped structure, so that the heat exchange area and the heat exchange length are increased, the heat exchange efficiency is greatly improved, meanwhile, the cleaning net 3 is arranged on the heat exchange tubes 63 in a sliding connection manner, the cleaning net 3 is connected with a driving structure 4, meanwhile, the reset structure 2 is arranged at one end of the cleaning net 3 departing from the driving structure 4, and the reset structure 2 is matched with the driving structure 4 to drive the cleaning net 3 to be matched with the reset structure The upper reciprocating slide is used for effectively preventing silt from being accumulated on the heat exchange tube 63 and promoting the flow of water near the heat exchange tube 63, so that the heat exchange efficiency is higher.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A geothermal energy heat exchange device, comprising:
a cover plate (5);
the heat exchange structure (6) is used for exchanging heat, the heat exchange structure (6) is fixed on the cover plate (5), the heat exchange structure (6) comprises two first connecting pipes (61), two second connecting pipes (62) and four heat exchange pipes (63), the four heat exchange pipes (63) with cross-shaped sections are fixed on the cover plate (5) in a rectangular array mode, one ends, away from the cover plate (5), of the four heat exchange pipes (63) are provided with the two first connecting pipes (61) at intervals, one ends, close to the cover plate (5), of the two adjacent heat exchange pipes (63) which are not connected with the first connecting pipes (61), of the two adjacent heat exchange pipes (63) are fixedly provided with the second connecting pipes (62), and the four heat exchange pipes (63) are communicated with each other through the two first connecting pipes (61) and the second connecting pipes (62;
the two circulating pipes (8), the two circulating pipes (8) are arranged at one ends, close to the cover plate (5), of the two heat exchange pipes (63) which are not connected to the second connecting pipe (62), and the circulating pipes (8) penetrate through the cover plate (5);
a drive structure (4), said drive structure (4) being fixed to said cover plate (5);
the latticed cleaning net (3) is connected with the heat exchange tube (63) in a sliding mode, and one end of the cleaning net (3) is connected to the driving structure (4);
the bottom plate (1), the bottom plate (1) is arranged at one end of the heat exchange tube (63) deviating from the cover plate (5);
the heat exchange tube (63) deviates from one end of the cover plate (5), and the reset structure (2) is arranged on the inner portion of the bottom plate (1).
2. The geothermal energy heat exchange device according to claim 1, wherein one end of the cover plate (5) close to the heat exchange tube (63) is provided with a sealing ring (7), and the sealing ring (7) is a cylindrical structure formed by a plurality of round tables.
3. The geothermal energy heat exchange device according to claim 2, wherein the driving structure (4) comprises a mounting plate (41), four transmission rods (42), a motor (43), a driving plate (44), a driving shaft (46) and a cam (47), the mounting plate (41) is arranged at one end of the cover plate (5) departing from the heat exchange pipe (63), the four transmission rods (42) respectively penetrate through the cover plate (5) and extend to the cleaning net (3), the transmission rods (42) are slidably connected with the cover plate (5) and the mounting plate (41), the driving plate (44) is fixed at one end of the transmission rods (42) departing from the cleaning net (3), the motor (43) is fixed on the mounting plate (41), the driving shaft (46) is fixed on the motor (43), and the cam (47) with a cylindrical structure is arranged on the driving shaft (46), the difference between the maximum distance and the minimum distance from the axis of the driving shaft (46) to the side of the cam (47) is equal to the sliding distance of the cleaning net (3), and the cam (47) is abutted against the driving plate (44).
4. A geothermal energy heat exchange device according to claim 3, wherein the heat exchange pipe (63) is detachably connected with the cover plate (5), the cover plate (5) is bolted with the mounting plate (41), and the section of the transmission rod (42) is in a regular hexagon structure.
5. The geothermal energy heat exchange device according to claim 4, wherein the driving structure (4) further comprises a seal box (45), and the seal box (45) is connected with the mounting plate (41) through bolts.
6. The geothermal energy heat exchange device according to claim 4, wherein the reset structure (2) comprises a baffle (21), a reset spring (22) and a driving rod (23), the driving rod (23) is fixed at one end of the heat exchange tube (63) departing from the driving rod (42), the driving rod (23) is connected with the bottom plate (1) in a sliding manner, the driving rod (23) penetrates through the reset spring (22), one end of the reset spring (22) abuts against the bottom plate (1), the other end of the reset spring (22) abuts against the driving rod (23), and the baffle (21) is arranged on the bottom plate (1).
7. The geothermal energy heat exchange device according to claim 6, wherein the section of the driving rod (23) is of a regular hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390397.2A CN110243087B (en) | 2019-05-10 | 2019-05-10 | Geothermal energy heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390397.2A CN110243087B (en) | 2019-05-10 | 2019-05-10 | Geothermal energy heat exchange device |
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| Publication Number | Publication Date |
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| CN110243087A CN110243087A (en) | 2019-09-17 |
| CN110243087B true CN110243087B (en) | 2020-11-10 |
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| CN201910390397.2A Active CN110243087B (en) | 2019-05-10 | 2019-05-10 | Geothermal energy heat exchange device |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2439630A1 (en) * | 1978-10-23 | 1980-05-23 | Montage Cie Indle | Mechanism to clean smoke tubes of boiler, economiser etc. - in which each tube is scraped by internal power driven auger |
| CN1195123C (en) * | 2003-08-12 | 2005-03-30 | 张怀森 | Road level including split gravity geothermal pipes |
| CN101290152B (en) * | 2007-04-18 | 2010-05-26 | 海尔集团公司 | Filter screen self-cleaning device |
| CN101216260A (en) * | 2008-01-08 | 2008-07-09 | 杜敦杰 | Sewage water heat exchanger |
| CN101498509B (en) * | 2009-02-16 | 2011-03-23 | 宋志新 | Automatic dedusting solar water heater |
| DE102009021160B4 (en) * | 2009-05-13 | 2011-04-07 | Ulrich Dr. Wagner | Process for heat recovery from geothermal energy |
| CN201866970U (en) * | 2010-10-20 | 2011-06-15 | 刘汉风 | Same-floor geothermal energy cyclic utilization system |
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2019
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