CN217763592U - Middle-deep geothermal energy heating system - Google Patents
Middle-deep geothermal energy heating system Download PDFInfo
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- CN217763592U CN217763592U CN202221558123.3U CN202221558123U CN217763592U CN 217763592 U CN217763592 U CN 217763592U CN 202221558123 U CN202221558123 U CN 202221558123U CN 217763592 U CN217763592 U CN 217763592U
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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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Abstract
The utility model relates to a middle and deep layer geothermal energy heat supply technical field, and disclose middle and deep layer geothermal energy heating system, including coaxial double-pipe heat exchanger, install multistage filtration in the water rose box, one side that coaxial double-pipe heat exchanger was kept away from to the water rose box is installed three way connection, and one side that three way connection kept away from the water rose box is provided with the part of drawing water, and the one end of the part of drawing water links to each other with three way connection, and the other end is connected with the water regulating valve, and the end of intaking of water regulating valve is linked together with user side heating delivery pipe through the inlet channel. The utility model discloses in, coaxial double-pipe heat exchanger carries out the heat transfer with the cold water of user side heating delivery pipe, and hot water can be defeated to the water rose box through heat transfer hole return water pipe subassembly, via the multistage filtration structure in the water rose box, carries out the multiple filtration to the incrustation scale of aquatic, and simultaneously, three way connection and the part of drawing water have formed a recoil brush mechanism, and this recoil brush mechanism can avoid the jam problem of multistage filtration plate structure.
Description
Technical Field
The utility model relates to a middle-deep geothermal energy heat supply technical field specifically is middle-deep geothermal energy heating system.
Background
The medium-deep layer interference-free geothermal energy heat supply technology is characterized in that a drilling machine is used for drilling holes in the depth of 2000-3000 m underground, a sealed metal heat exchanger (namely a coaxial double-pipe heat exchanger) is installed in each drilling hole, a heat exchange medium (namely circulating water) is injected into each metal heat exchanger, heat of an underground rock-soil layer is transferred out in a convection and heat conduction mode, and heat is supplied to users through a heat pump unit and a ground transmission and distribution system.
On the one hand, however, the temperature of circulating water led out by the coaxial sleeve heat exchanger in the initial stage of heat supply is high, and no precedent for directly supplying heat to users exists at present; on the other hand, because the temperature is higher, the circulating water can have the incrustation scale, and in the heat transfer process, the incrustation scale in the circulating water can be replaced to user's department, and the user is difficult to direct use again to the water that contains the incrustation scale.
Therefore, a middle-deep geothermal energy heating system is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a middle-deep geothermal energy heating system.
In order to achieve the above object, the utility model provides a following technical scheme: the heat supply system of the geothermal energy of the middle deep layer comprises a coaxial double-pipe heat exchanger, a heat exchange hole water supply pipe connected to the coaxial double-pipe heat exchanger and a heat exchange Kong Huishui pipe assembly, wherein the heat exchange Kong Huishui pipe assembly consists of a first heat exchange hole water return pipe, a second heat exchange hole water return pipe and a third heat exchange hole water return pipe, a first pump body is connected between the first heat exchange hole water return pipe and the second heat exchange hole water return pipe, a profit and loss pipe is connected between the heat exchange hole water return pipe assembly and the heat exchange hole water supply pipe, a second pump body is connected between the second heat exchange hole water return pipe and the third heat exchange hole water return pipe, one end of the heat exchange hole water supply pipe, which is far away from the coaxial double-pipe heat exchanger, is connected with a user side heating water supply pipe, one side of the heat exchange Kong Huishui pipe assembly, which is far away from the coaxial double-pipe heat exchanger, is provided with a user side heating water return pipe, be connected with the water filter box between user side heating wet return and third heat transfer hole wet return, the water filter box is including setting up water inlet and the delivery port on relative both sides lateral wall respectively, third heat transfer hole wet return is linked together with the water inlet, user side heating wet return is linked together with the delivery port towards the one end of water filter box, install multi-stage filtration in the water filter box, one side that coaxial double-pipe heat exchanger was kept away from to the water filter box installs three way connection, one side that three way connection kept away from the water filter box is provided with the pumping unit, the one end of pumping unit links to each other with three way connection, and the other end is connected with the water regulating valve, the end of intaking of water regulating valve with through inlet channel and user side heating delivery pipe be linked together.
As preferred technical scheme, the multi-stage filtration includes coconut palm silk filter screen, quartz sand filter screen, anthracite filter screen and the active carbon filter screen from horizontal direction fixed mounting in proper order in water rose box inner chamber, coconut palm silk filter screen, quartz sand filter screen, anthracite filter screen and active carbon filter screen laminate each other.
As a preferred technical scheme, the upper part and the lower part of the side wall of the water body filter box, which is far away from the coaxial double-pipe heat exchanger, are both communicated with a sewage discharge water inlet;
the three-way joint consists of a main joint and two branch joints, and the two branch joints are respectively communicated with the two sewage draining water inlets;
and one end of the water pumping component, which faces the three-way joint, is connected with the main joint.
As a preferred technical scheme, the water pumping component consists of a water pump, a first water pipe and a second water pipe, wherein one end of the first water pipe, facing the water pump, is communicated with the water outlet end of the water pump, and one end of the first water pipe, far away from the water pump, is communicated with the main joint;
one end of the second water pipe, which faces the water pump, is communicated with the water inlet end of the water pump, and one end of the second water pipe, which is far away from the water pump, is communicated with the water outlet end of the water regulating valve.
As the preferred technical scheme, a water inlet valve is rotatably arranged on the sewage draining water inlet.
As a preferred technical scheme, the upper part and the lower part of one side of the water body filter box, which is far away from the three-way joint, are both communicated with a sewage discharge outlet.
As the preferred technical scheme, a water outlet valve is rotatably arranged on the sewage discharge water outlet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, because about 3000m underground, the ground temperature generally can reach 90 degrees centigrade, through coaxial double-pipe heat exchanger, can effectually go to utilize geothermal energy through coaxial double-pipe heat exchanger, truns into cold water into hot water, supplies water to user department.
2. In the utility model, the coaxial double-pipe heat exchanger exchanges heat with cold water of a heating water supply pipe at a user side, hot water can be conveyed to the water body filter box through the heat exchange hole return water pipe assembly, and scale in the water is subjected to multi-stage filtration through a multi-stage filtration structure in the water body filter box;
meanwhile, the tee joint and the water pumping component form a back flushing mechanism, and after the back flushing mechanism is connected with a user side heating water supply pipe, a multi-stage filtering structure in the water body filtering box can be subjected to back flushing, so that the problem of blockage of the multi-stage filtering plate structure can be solved.
3. The utility model discloses in, under the effect of coconut palm silk filter screen, quartz sand filter screen, anthracite filter screen and active carbon filter screen to can realize the filtration to the incrustation scale.
Drawings
Fig. 1 is a schematic structural view of a middle-deep geothermal energy heating system provided by the present invention;
FIG. 2 is a schematic structural view of a water filter box in the middle-deep geothermal energy heating system provided by the present invention;
fig. 3 is the three-dimensional structure schematic diagram of the water filter box in the middle-deep geothermal energy heating system provided by the utility model.
In the figure: 1. a coaxial double pipe heat exchanger; 2. a heat exchange hole water supply pipe; 3. a heat exchange hole water return pipe assembly; 31. a first heat exchange hole water return pipe; 32. a second heat exchange hole water return pipe; 33. a third heat exchange hole water return pipe; 4. a first pump body; 5. a second pump body; 6. profit and loss pipe; 7. a water body filter tank; 71. a water inlet; 72. a water outlet; 73. a coconut shred filter screen; 74. a quartz sand filter screen; 75. anthracite filter screen; 76. an active carbon filter screen; 77. a sewage draining water inlet; 78. a water inlet valve; 79. a three-way joint; 791. a main joint; 792. a branch joint; 710. a sewage discharge outlet; 711. a water outlet valve; 8. a first water pipe; 9. a water pump; 10. a second water pipe; 11. the water valve is adjusted.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-3, the present invention provides a technical solution:
as shown in fig. 1 to 3, the middle-deep geothermal energy heating system includes a coaxial double pipe heat exchanger 1, a heat exchange hole water supply pipe 2 connected to the coaxial double pipe heat exchanger 1, and a heat exchange Kong Huishui pipe assembly 3, wherein the heat exchange Kong Huishui pipe assembly 3 is composed of a first heat exchange hole water return pipe 31, a second heat exchange hole water return pipe 32, and a third heat exchange hole water return pipe 33, a first pump body 4 is connected between the first heat exchange hole water return pipe 31 and the second heat exchange hole water return pipe 32, a profit and loss pipe 6 is connected between the heat exchange Kong Huishui pipe assembly 3 and the heat exchange hole water supply pipe 2, a second heat exchange hole water return pipe 5 is connected between the second heat exchange hole water return pipe 32 and the third heat exchange hole water return pipe 33, one end of the heat exchange hole water supply pipe 2 far from the coaxial double pipe heat exchanger 1 is connected to a user side heating system, kong Huishui pipe assembly 3 is provided with a user side water return pipe far from the coaxial double pipe heat exchanger 1, a water filter box 7 is connected between the user side heating water return pipe and the third heat exchange hole water return pipe 33, the water filter box 7 comprises a water inlet 71 and a water outlet 72 which are respectively arranged on the two opposite side walls, the third heat exchange hole water return pipe 33 is communicated with the water inlet 71, one end of the user side heating water return pipe facing the water filter box 7 is communicated with the water outlet 72, a multi-stage filter structure is arranged in the water filter box 7, a three-way joint 79 is arranged on one side of the water filter box 7 far away from the coaxial double-pipe heat exchanger 1, a water pumping part is arranged on one side of the three-way joint 79 far away from the water filter box 7, one end of the water pumping part is connected with the three-way joint 79, the other end of the water pumping part is connected with a water regulating valve 11, and the water inlet end of the water regulating valve 11 is communicated with a user side heating water supply pipe through a water inlet pipe.
Because about 3000m underground, the ground temperature generally can reach 90 degrees centigrade, through the coaxial double-pipe heat exchanger 1, can effectually go to utilize geothermal energy through the coaxial double-pipe heat exchanger 1, trun cold water into hot water, supply water to user department, the coaxial double-pipe heat exchanger 1 carries out the heat transfer with the cold water of user side heating delivery pipe, hot water can be carried to water filter box 7 through heat transfer hole return water pipe subassembly 3, via the multistage filtration in water filter box 7, carry out multistage filtration to the incrustation scale in the aquatic, simultaneously, three way connection 79 and pumping part have formed a recoil brush mechanism, this recoil brush mechanism links to each other the back with user side heating delivery pipe, can carry out the backwash with the multistage filtration in the water filter box 7, thereby can avoid the jam problem of multistage filtration plate structure.
Example two
As shown in fig. 1-3, the improvement is based on the first embodiment:
further, the multi-stage filtration structure includes coconut fiber filter screen 73, quartz sand filter screen 74, anthracite filter screen 75 and active carbon filter screen 76 from the horizontal direction fixed mounting in proper order in the inner chamber of water filter box 7, and coconut fiber filter screen 73, quartz sand filter screen 74, anthracite filter screen 75 and active carbon filter screen 76 are laminated each other.
Under the action of the coconut wire filter screen 73, the quartz sand filter screen 74, the anthracite filter screen 75 and the activated carbon filter screen 76, the scale can be filtered.
Further, the upper part and the lower part of the side wall of the water body filter tank 7, which is far away from the coaxial double-pipe heat exchanger 1, are both communicated with a sewage discharge water inlet 77;
the three-way joint 79 consists of a main joint 791 and two branch joints 792, and the two branch joints 792 are respectively communicated with the two sewage draining water inlets 77;
the end of the pumping part facing the three-way joint 79 is connected to the main joint 791.
The water pumping component conveys pumped water into the three-way joint 79 through the main joint 791, then conveys the pumped water into the sewage discharge water inlet 77 through the branch joint 792, and further conveys the pumped water into the water body filter box 7, and flushes the coconut shred filter screen 73, the quartz sand filter screen 74, the anthracite filter screen 75 and the active carbon filter screen 76 from the upper part and the lower part of the inner cavity of the water body filter box 7 simultaneously.
Furthermore, the water pumping component consists of a water pump 9, a first water pipe 8 and a second water pipe 10, one end of the first water pipe 8 facing the water pump 9 is communicated with the water outlet end of the water pump 9, and one end of the first water pipe 8 far away from the water pump 9 is communicated with the main joint 791;
one end of the second water pipe 10 facing the water pump 9 is communicated with the water inlet end of the water pump 9, and one end of the second water pipe 10 far away from the water pump 9 is communicated with the water outlet end of the water regulating valve 11.
The water pump 9, the first water pipe 8 and the second water pipe 10 are preferred forms of water pumping parts, and under the action of the water adjusting valve 11, water in the user side heating water supply pipe can be conveyed into the water pumping parts through the water inlet pipeline, and then the water is conveyed into the three-way joint 79 through the water pumping parts, so that water source supply is realized.
Further, a water inlet valve 78 is rotatably mounted on the sewage inlet 77.
The opening or closing of the waste inlet 77 can be achieved by means of the inlet valve 78.
Further, the upper part and the lower part of one side of the water body filter tank 7 far away from the three-way joint 79 are both communicated with a sewage discharge outlet 710.
The two waste water outlets 710 enable waste water to be discharged.
Further, a water outlet valve 711 is rotatably mounted on the sewage outlet 710.
The water outlet valve 711 is used for realizing the opening or closing of the sewage discharge water outlet 710, and is in a closed state in a normal state and is in an open state during back flushing;
during back flushing, the heat exchange Kong Huishui pipe assembly 3 can be detached from the water inlet 71, and the water inlet 71 is plugged through a sealing plug.
To sum up, the utility model discloses a work flow: because the ground temperature is about 3000m underground, the ground temperature generally reaches 90 ℃, geothermal energy can be effectively utilized through the coaxial double-pipe heat exchanger 1, cold water is converted into hot water to be supplied to a user, the coaxial double-pipe heat exchanger 1 exchanges heat with the cold water of a heating water supply pipe at the user side, the hot water can be conveyed to the water body filter box 7 through the heat exchange hole water return pipe assembly 3, scale in the water is subjected to multi-stage filtration through a multi-stage filter structure in the water body filter box 7, meanwhile, the three-way joint 79 and the water pumping component form a back flushing mechanism, and the back flushing mechanism can perform back flushing on the multi-stage filter structure in the water body filter box 7 after being connected with the heating water supply pipe at the user side, so that the problem of blockage of the multi-stage filter plate structure can be avoided;
under the action of the coconut wire filter screen 73, the quartz sand filter screen 74, the anthracite filter screen 75 and the activated carbon filter screen 76, the scale can be filtered;
the water pumping part conveys pumped water into the three-way joint 79 through the main joint 791, then conveys the pumped water into the sewage discharge water inlet 77 through the branch joint 792, and further conveys the pumped water into the water body filter box 7, and flushes the coconut fiber filter screen 73, the quartz sand filter screen 74, the anthracite filter screen 75 and the activated carbon filter screen 76 from the upper part and the lower part of the inner cavity of the water body filter box 7 at the same time;
the water pump 9, the first water pipe 8 and the second water pipe 10 are the preferable form of a water pumping part, and under the action of the water adjusting valve 11, water in the user side heating water supply pipe can be conveyed into the water pumping part through the water inlet pipeline, and then the water is conveyed into the three-way joint 79 through the water pumping part, so that the water source supply is realized;
the water inlet valve 78 can be used for opening or closing the sewage drainage water inlet 77, the two sewage drainage water outlets 710 can be used for draining sewage, and the water outlet valve 711 is used for opening or closing the sewage drainage water outlets 710 and is in a closed state in a normal state and in an open state during back flushing;
during back flushing, the heat exchange Kong Huishui pipe assembly 3 can be detached from the water inlet 71, and the water inlet 71 is plugged through a sealing plug.
The different embodiments described above can be used in combination with each other.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Middle-deep geothermal energy heating system includes:
the coaxial double-pipe heat exchanger (1), connect heat transfer hole feed pipe (2) and heat transfer Kong Huishui pipe assembly (3) on coaxial double-pipe heat exchanger (1), wherein:
heat transfer hole return water pipe assembly (3) comprises first heat transfer hole return water pipe (31), second heat transfer hole return water pipe (32) and third heat transfer hole return water pipe (33), be connected with first pump body (4) between first heat transfer hole return water pipe (31) and second heat transfer hole return water pipe (32), be connected with profit and loss pipe (6) between heat transfer hole return water pipe assembly (3) and heat transfer hole delivery pipe (2), be connected with second pump body (5) between second heat transfer hole return water pipe (32) and third heat transfer hole return water pipe (33), the one end that coaxial double-pipe heat exchanger (1) was kept away from in heat transfer hole delivery pipe (2) is connected with user side heating delivery pipe, one side that coaxial double-pipe heat exchanger (1) was kept away from in heat transfer Kong Huishui pipe assembly (3) is provided with user side heating return water pipe, be connected with water filter box (7) between user side heating return water pipe and third heat transfer hole return water pipe (33), water filter box (7) includes water inlet (71) and third heat transfer hole return water pipe (72) that set up on relative both sides respectively, water outlet (71) is linked together, water outlet and water filter box (7) are linked together, water outlet (71) and water outlet one end is linked together, water outlet (71) and is characterized in that water outlet is linked together: install multi-stage filtration in water rose box (7), tee bend joint (79) are installed to one side that coaxial double-pipe heat exchanger (1) was kept away from in water rose box (7), one side that water rose box (7) were kept away from in tee bend joint (79) is provided with the part of drawing water, the one end of the part of drawing water links to each other with tee bend (79), and the other end is connected with adjusts water valve (11), the end of intaking of adjusting water valve (11) with through inlet channel and user side heating delivery pipe be linked together.
2. A medium-deep geothermal energy heating system according to claim 1, wherein: multistage filtration includes coconut palm silk filter screen (73), quartz sand filter screen (74), anthracite filter screen (75) and active carbon filter screen (76) from the horizontal direction fixed mounting in proper order in water rose box (7) inner chamber, coconut palm silk filter screen (73), quartz sand filter screen (74), anthracite filter screen (75) and active carbon filter screen (76) are laminated each other.
3. A medium-deep geothermal energy heating system according to claim 2, wherein: the upper part and the lower part of the side wall of the water body filter tank (7) far away from the coaxial double-pipe heat exchanger (1) are communicated with a sewage discharge water inlet (77);
the three-way joint (79) consists of a main joint (791) and two branch joints (792), and the two branch joints (792) are respectively communicated with the two sewage drainage water inlets (77);
one end of the water pumping component facing the three-way joint (79) is connected with the main joint (791).
4. A medium-deep geothermal energy heating system according to claim 3, wherein: the water pumping component consists of a water pump (9), a first water pipe (8) and a second water pipe (10), one end of the first water pipe (8) facing the water pump (9) is communicated with the water outlet end of the water pump (9), and one end of the first water pipe (8) far away from the water pump (9) is communicated with the main joint (791);
one end of the second water pipe (10) facing the water pump (9) is communicated with the water inlet end of the water pump (9), and one end of the second water pipe (10) far away from the water pump (9) is communicated with the water outlet end of the water regulating valve (11).
5. A medium-deep geothermal energy heating system according to claim 3, wherein: and a water inlet valve (78) is rotatably arranged on the sewage discharge water inlet (77).
6. A medium-deep geothermal energy heating system according to claim 3, wherein: the upper part and the lower part of one side of the water body filter box (7) far away from the three-way joint (79) are both communicated with a sewage discharge outlet (710).
7. A medium-deep geothermal energy heating system according to claim 6, wherein: and a water outlet valve (711) is rotatably arranged on the sewage discharge outlet (710).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221558123.3U CN217763592U (en) | 2022-06-21 | 2022-06-21 | Middle-deep geothermal energy heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221558123.3U CN217763592U (en) | 2022-06-21 | 2022-06-21 | Middle-deep geothermal energy heating system |
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| Publication Number | Publication Date |
|---|---|
| CN217763592U true CN217763592U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221558123.3U Active CN217763592U (en) | 2022-06-21 | 2022-06-21 | Middle-deep geothermal energy heating system |
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| CN (1) | CN217763592U (en) |
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2022
- 2022-06-21 CN CN202221558123.3U patent/CN217763592U/en active Active
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