CN217503783U - Ultralong gravity heat pipe heating device - Google Patents
Ultralong gravity heat pipe heating device Download PDFInfo
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- CN217503783U CN217503783U CN202221506896.7U CN202221506896U CN217503783U CN 217503783 U CN217503783 U CN 217503783U CN 202221506896 U CN202221506896 U CN 202221506896U CN 217503783 U CN217503783 U CN 217503783U
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- 230000005484 gravity Effects 0.000 title claims abstract description 40
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 238000001704 evaporation Methods 0.000 claims abstract description 26
- 230000008020 evaporation Effects 0.000 claims abstract description 26
- 238000010992 reflux Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to an overlength gravity heat pipe heating device belongs to geothermol power heat supply technical field, has solved traditional overlength gravity heat pipe steam and comdenstion water contact and has caused steam to reduce and the temperature reduces to steam pipe and condensate pipe set up respectively and cause cost increase, technical problem such as waste time and energy. The solution is as follows: a heating device of an ultra-long gravity heat pipe comprises the ultra-long gravity heat pipe and a heat exchanger, wherein the ultra-long gravity heat pipe comprises an evaporation section arranged at the bottom and a heat insulation section arranged above the evaporation section; a steam pipe is coaxially arranged in the ultralong gravity heat pipe, and a condensed water reflux area is arranged between the steam pipe and the pipe wall of the ultralong gravity heat pipe; the lower part in the steam pipe is provided with a water baffle group, the steam pipe is connected with an inlet at one side of the heat exchanger, and an outlet at one side of the heat exchanger is connected with a condensate water reflux area. The utility model discloses simple structure, the heat energy in the make full use of stratum, the heating can be realized to the single well, and the important function of performance geothermal energy in realizing "two carbon targets".
Description
Technical Field
The utility model belongs to the technical field of the geothermal heating, concretely relates to overlength gravity heat pipe heating device.
Background
The geothermal resource is a renewable clean energy source, the quantity of the dry hot rock resource in the crust land area is equivalent to 4950 trillion tons of standard coal, and is nearly 30 times of the energy stored in all petroleum, natural gas and coal in the world. With the rapid development of modern drilling technology, the development of hot dry rock geothermal with the underground temperature of 1.5-2 km being about 150-200 ℃ and the application of the hot dry rock geothermal in winter have practical value.
The key of the geothermal heating technology of the dry hot rock is the extraction of the geothermal heat of the deep underground dry hot rock stratum, the utilization of the geothermal heat of the dry hot rock stratum is mainly realized by adopting the ultra-long gravity heat pipe technology at present, but the ultra-long gravity heat pipe technology at present has the following defects in the use process:
1. in the ultra-long gravity heat pipe technology, the upward moving steam and the downward flowing condensed water are mutually contacted, so that the steam drives a part of condensed water to rise, the flow of the steam is reduced, the temperature when the steam reaches the heat exchanger is reduced, the temperature after heat exchange cannot meet the requirement, the steam needs to be continuously heated, and the cost is increased;
2. and in addition, in order to avoid the contact of steam and condensed water, underground drilling is carried out twice, a steam pipe and a condensed water pipe are respectively arranged in two holes, and each drilling is carried out by thousands of meters underground, so that the complexity and the periodicity of equipment are greatly increased, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an overlength gravity heat pipe heating device, solved traditional overlength gravity heat pipe steam and comdenstion water contact and caused steam to reduce and the temperature reduces to steam pipe and condensate pipe set up respectively and cause the cost-push, technical problem such as waste time and energy.
In order to solve the above problem, the technical scheme of the utility model is that: an ultralong gravity heat pipe heating device, wherein: the heat exchanger comprises an ultralong gravity heat pipe and a heat exchanger, wherein the ultralong gravity heat pipe comprises an evaporation section arranged at the bottom and a heat insulation section arranged above the evaporation section;
a steam pipe is coaxially arranged in the ultralong gravity heat pipe, the steam pipe is arranged in the heat insulation section, and a condensed water reflux area is arranged between the steam pipe and the pipe wall of the ultralong gravity heat pipe; a first heat preservation layer is arranged on the inner wall of the condensed water reflux area, a second heat preservation layer is arranged on the inner wall of the steam pipe, a water baffle group is arranged on the lower portion in the steam pipe, the pipe diameter size of the evaporation section is smaller than that of the heat insulation section, and the evaporation section and the heat insulation section are in transition through a conical surface;
the top of the steam pipe extends out of the ultralong gravity heat pipe and is connected with an inlet on one side of the heat exchanger, an outlet on one side of the heat exchanger is connected with a condensate water reflux area through a cold water pipeline, and an inlet on the other side and an outlet on the other side of the heat exchanger are respectively connected with a heat pump unit.
Further, the bottom of the steam pipe is of an inverted horn-shaped structure.
Further, the bottom end edge of the steam pipe is flush with the inner wall of the evaporation section.
Further, the water baffle group comprises a plurality of groups of left water baffles arranged on the left side in parallel and a plurality of groups of right water baffles arranged on the right side in parallel,
the left water baffle and the right water baffle are both obliquely arranged on the inner wall of the steam pipe upwards, and are sequentially arranged in a staggered manner; the contact surfaces of the left water baffle and the right water baffle and the inner wall of the steam pipe are arc surfaces corresponding to the contact surfaces, and water passing grooves are formed in the centers of the bottoms of the left water baffle and the right water baffle.
Furthermore, a backflow seat is arranged at the top of the condensed water backflow area, the backflow seat is of an annular cylinder structure with an opening at the bottom, the backflow seat comprises a backflow outer wall, a backflow inner wall coaxially and fixedly arranged in the backflow outer wall and an annular plate fixedly arranged on the top surface of the backflow outer wall, the backflow seat is sleeved on the steam pipe, and the bottom end of the backflow seat is fixedly arranged at the top end of the condensed water backflow area;
for crossing the water district between backward flow outer wall and the backward flow inner wall, cross water district middle part and be provided with the annular and cross the water board, the equipartition is provided with a plurality of groups and crosses the water hole on the water board is crossed to the annular, locates the annular is crossed and is crossed on the water district lateral wall of water board top has the connecting hole, the connecting hole is connected with cold water pipeline one end.
Further, the outer diameter of the backflow outer wall is consistent with the outer diameter of the condensed water backflow area, and the inner diameter of the backflow inner wall is consistent with the inner diameter of the condensed water backflow area.
Further, the thickness dimension of the second heat insulation layer is larger than that of the first heat insulation layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in locating adiabatic section with the steam pipe, during the comdenstion water absorbed the high temperature heat and becomes ascending entering steam pipe behind the steam after getting into the evaporation zone, through getting into the heat exchanger behind the adiabatic section, steam release heat becomes during the comdenstion water passes through the cold water pipeline and gets into the backward flow seat, then falls down in getting into the comdenstion water backward flow district, finally gets into the evaporation zone, carries out the recirculation of evaporation condensation, has realized the utilization to geothermol power.
2. The setting of conical surface on steam pipe bottom inverted horn column structure and the overlength gravity heat pipe, the at utmost has reduced the comdenstion water and has contacted with steam at whereabouts in-process, leads to partly the condition of taking away by steam to take place, and the setting up of backward flow seat makes the comdenstion water advance to go into to fall into the comdenstion water backward flow district through the water hole equipartition of crossing that the equipartition set up behind the water district in, and the comdenstion water that water baffle group's setting was made to be mingled with steam falls down, has further guaranteed the temperature of steam.
The utility model discloses simple structure, the heat energy in the make full use of stratum, the heating can be realized to the single well, and the important function of performance geothermal energy in realizing "two carbon targets".
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of a middle reflow seat of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural view of the backflow water plate of the present invention;
FIG. 5 is a schematic structural view of the left water baffle of the present invention;
fig. 6 is a schematic structural view of the right-middle water baffle of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
An ultra-long gravity heat pipe heating apparatus as shown in fig. 1 to 6, wherein: the heat exchanger comprises an ultralong gravity heat pipe 1 and a heat exchanger 2, wherein the ultralong gravity heat pipe 1 comprises an evaporation section 1-1 arranged at the bottom and a heat insulation section 1-2 arranged above the evaporation section 1-1; the evaporation section 1-1 is used for absorbing high-temperature heat and heating condensed water into steam, and the heat insulation section 1-2 is used for heat preservation and rising of the steam.
A steam pipe 1-3 is coaxially arranged in the ultralong gravity heat pipe 1, the steam pipe 1-3 is arranged in the heat insulation section 1-2, and a condensed water reflux area 1-4 is arranged between the steam pipe 1-3 and the pipe wall of the ultralong gravity heat pipe 1; a first heat-insulating layer 1-4-1 is arranged on the inner wall of the condensed water reflux area 1-4, a second heat-insulating layer 1-3-1 is arranged on the inner wall of the steam pipe 1-3, a water baffle group 5 is arranged on the inner lower part of the steam pipe 1-3, the pipe diameter of the evaporation section 1-1 is smaller than that of the heat-insulating section 1-2, and the evaporation section 1-1 and the heat-insulating section 1-2 are transited through a conical surface 1-5; the condensate water reflux area 1-4 is used for refluxing condensate water coming out of the heat exchanger 2, the first heat preservation layer 1-4-1 is used for preserving heat of the condensate water, the condensate water is prevented from absorbing heat to become steam in the falling process, the condensate water is mixed with the condensate water to affect the temperature, the second heat preservation layer 1-3-1 is used for preserving heat of the steam, and the temperature of the steam is prevented from being reduced when the steam reaches the heat exchanger 2 to affect the heat exchange effect. The water baffle group 5 is arranged to block the condensed water mixed with the steam at the bottom end, so that the steam temperature is prevented from being influenced by the rising of the mixed steam and the steam. The conical surfaces 1-5 are provided with the following functions: the condensed water reflux area 1-4 and the evaporation section 1-1 are staggered in the vertical direction, and after the condensed water directly falls into the evaporation section 1-1, the condensed water is changed into steam and directly enters the steam pipe 1-3 in the rising process, so that serious inclusion caused by mixing of the condensed water changed into steam and the falling condensed water is avoided.
The top of the steam pipe 1-3 extends out of the ultralong gravity heat pipe 1 to be connected with an inlet 2-1 at one side of the heat exchanger 2, an outlet 2-2 at one side of the heat exchanger 2 is connected with a condensate water reflux area 1-4 through a cold water pipeline 3, and an inlet 2-3 at the other side and an outlet 2-4 at the other side of the heat exchanger 2 are respectively connected with a heat pump unit 4. The steam enters the heat exchanger 2 to release heat and become condensate water to finish heat exchange, and the heat exchanger 2 is connected with the heat pump unit 4 to perform subsequent heat supply work.
Further, the bottom of the steam pipe 1-3 is in an inverted trumpet-shaped structure. The provision of the inverted trumpet structure gives a larger initial space for the steam to rise.
Further, the bottom end edge of the steam pipe 1-3 is flush with the inner wall of the evaporation section 1-1. The steam in the evaporation section 1-1 directly enters the steam pipe 1-3, so that the steam is prevented from contacting with the condensed water at the bottom end of the condensed water reflux area 1-4.
Further, the water baffle group 5 comprises a plurality of groups of left water baffles 5-1 arranged on the left side in parallel and a plurality of groups of right water baffles 5-2 arranged on the right side in parallel,
the left water baffle 5-1 and the right water baffle 5-2 are both obliquely arranged on the inner wall of the steam pipe 1-3 upwards, and the left water baffle 5-1 and the right water baffle 5-2 are sequentially arranged in a staggered manner; the contact surfaces of the left water baffle 5-1 and the right water baffle 5-2 and the inner wall of the steam pipe 1-3 are arc surfaces corresponding to the contact surfaces, and the centers of the bottoms of the left water baffle 5-1 and the right water baffle 5-2 are both provided with a water passing groove 5-1-1. The left water baffle 5-1 and the right water baffle 5-2 which are sequentially staggered block condensed water in steam, and liquid falls from the water passing groove 5-1-1 and enters the evaporation section 1-1 for heat absorption and evaporation.
Further, a backflow seat 6 is arranged at the top of the condensed water backflow area 1-4, the backflow seat 6 is of an annular cylinder structure with an opening at the bottom, the backflow seat 6 comprises a backflow outer wall 6-1, a backflow inner wall 6-2 coaxially and fixedly arranged in the backflow outer wall 6-1 and an annular plate 6-3 fixedly arranged on the top surface of the backflow outer wall 6-1, the backflow seat 6 is sleeved on the steam pipe 1-3, and the bottom end of the backflow seat is fixedly arranged at the top end of the condensed water backflow area 1-4;
a water passing area 6-4 is arranged between the backflow outer wall 6-1 and the backflow inner wall 6-2, an annular water passing plate 6-5 is arranged in the middle of the water passing area 6-4, a plurality of groups of water passing holes 6-5-1 are uniformly distributed in the annular water passing plate 6-5, a connecting hole 6-4-1 is formed in the outer side wall of the water passing area 6-4 above the annular water passing plate 6-5, and the connecting hole 6-4-1 is connected with one end of the cold water pipeline 3. The arrangement of the return seat 6 makes it uniform that the condensate enters the condensate return zone 1-4.
Further, the outer diameter of the backflow outer wall 6-1 is consistent with the outer diameter of the condensed water backflow area 1-4, and the inner diameter of the backflow inner wall 6-2 is consistent with the inner diameter of the condensed water backflow area 1-4.
Further, the thickness of the second heat insulation layer 1-3-1 is larger than that of the first heat insulation layer 1-4-1. The heat preservation effect to steam is better, has further guaranteed the temperature of steam when reaching heat exchanger 2, has guaranteed follow-up heat supply effect.
Claims (7)
1. The utility model provides an overlength gravity heat pipe heating device which characterized in that: the heat exchanger comprises an ultra-long gravity heat pipe (1) and a heat exchanger (2), wherein the ultra-long gravity heat pipe (1) comprises an evaporation section (1-1) arranged at the bottom and a heat insulation section (1-2) arranged above the evaporation section (1-1);
a steam pipe (1-3) is coaxially arranged in the ultralong gravity heat pipe (1), the steam pipe (1-3) is arranged on the heat insulation section (1-2), and a condensed water reflux area (1-4) is arranged between the steam pipe (1-3) and the pipe wall of the ultralong gravity heat pipe (1); a first heat-insulating layer (1-4-1) is arranged on the inner wall of the condensed water reflux area (1-4), a second heat-insulating layer (1-3-1) is arranged on the inner wall of the steam pipe (1-3), a water baffle group (5) is arranged on the inner lower portion of the steam pipe (1-3), the pipe diameter size of the evaporation section (1-1) is smaller than that of the heat-insulating section (1-2), and the evaporation section (1-1) and the heat-insulating section (1-2) are in transition through a conical surface (1-5);
the top of the steam pipe (1-3) extends out of the ultralong gravity heat pipe (1) and is connected with an inlet (2-1) on one side of the heat exchanger (2), an outlet (2-2) on one side of the heat exchanger (2) is connected with a condensate water reflux area (1-4) through a cold water pipeline (3), and an inlet (2-3) on the other side and an outlet (2-4) on the other side of the heat exchanger (2) are respectively connected with a heat pump unit (4).
2. A superlong gravity heat pipe heating apparatus according to claim 1, wherein: the bottom of the steam pipe (1-3) is of an inverted trumpet-shaped structure.
3. A superlong gravity heat pipe heating apparatus according to claim 2, wherein: the bottom end edge of the steam pipe (1-3) is flush with the inner wall of the evaporation section (1-1).
4. A superlong gravity heat pipe heating apparatus according to claim 1, wherein: the water baffle group (5) comprises a plurality of groups of left water baffles (5-1) arranged on the left side in parallel and a plurality of groups of right water baffles (5-2) arranged on the right side in parallel,
the left water baffle (5-1) and the right water baffle (5-2) are both obliquely arranged on the inner wall of the steam pipe (1-3) upwards, and the left water baffle (5-1) and the right water baffle (5-2) are sequentially arranged in a staggered manner; the contact surfaces of the left water baffle (5-1) and the right water baffle (5-2) and the inner wall of the steam pipe (1-3) are arc surfaces corresponding to the contact surfaces, and the centers of the bottoms of the left water baffle (5-1) and the right water baffle (5-2) are provided with water passing grooves (5-1-1).
5. A superlong gravity heat pipe heating apparatus according to claim 1, wherein: the top of the condensed water reflux area (1-4) is provided with a reflux seat (6), the reflux seat (6) is of an annular cylinder structure with an opening at the bottom, the reflux seat (6) comprises a reflux outer wall (6-1), a reflux inner wall (6-2) coaxially and fixedly arranged in the reflux outer wall (6-1) and an annular plate (6-3) fixedly arranged on the top surface of the reflux outer wall (6-1), the reflux seat (6) is sleeved on the steam pipe (1-3) and the bottom end of the reflux seat is fixedly arranged at the top end of the condensed water reflux area (1-4);
the water passing area (6-4) is arranged between the backflow outer wall (6-1) and the backflow inner wall (6-2), an annular water passing plate (6-5) is arranged in the middle of the water passing area (6-4), a plurality of groups of water passing holes (6-5-1) are uniformly distributed in the annular water passing plate (6-5), a connecting hole (6-4-1) is formed in the outer side wall of the water passing area (6-4) above the annular water passing plate (6-5), and the connecting hole (6-4-1) is connected with one end of the cold water pipeline (3).
6. A heating apparatus with ultralong gravity heat pipes as claimed in claim 5, wherein: the outer diameter of the backflow outer wall (6-1) is consistent with the outer diameter of the condensed water backflow area (1-4), and the inner diameter of the backflow inner wall (6-2) is consistent with the inner diameter of the condensed water backflow area (1-4).
7. A superlong gravity heat pipe heating apparatus according to claim 1, wherein: the thickness of the second heat-insulating layer (1-3-1) is larger than that of the first heat-insulating layer (1-4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221506896.7U CN217503783U (en) | 2022-06-15 | 2022-06-15 | Ultralong gravity heat pipe heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221506896.7U CN217503783U (en) | 2022-06-15 | 2022-06-15 | Ultralong gravity heat pipe heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217503783U true CN217503783U (en) | 2022-09-27 |
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ID=83359319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221506896.7U Active CN217503783U (en) | 2022-06-15 | 2022-06-15 | Ultralong gravity heat pipe heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217503783U (en) |
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2022
- 2022-06-15 CN CN202221506896.7U patent/CN217503783U/en active Active
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