阅读说明：本技术 一种地热利用装置 (Geothermal utilization device ) 是由 张景明 于 2021-10-07 设计创作，主要内容包括：一种地热利用装置,包括取水井和回水井,取水井包括深井泵层Ⅰ、光管层Ⅰ和换热层Ⅰ,回水井包括深井泵层Ⅱ、光管层Ⅱ和换热层Ⅱ,换热层Ⅰ和换热层Ⅱ为花管,换热层Ⅰ和换热层Ⅱ进入地质热层后通过第一次弯曲变向后同时向远离取水井和回水井的中心方向延伸,换热层Ⅰ和换热层Ⅱ相距的距离远大于光管层Ⅰ和光管层Ⅱ的距离,且换热层Ⅰ和换热层Ⅱ通过第二次变向使其尾部近距离交汇。与现有技术相比,本发明一抽一回定期交换,解决了回水堵塞的问题；所有抽水井和回水井地面集中布置,地下采热放射布置,采热面积大,工程占地面积小,建设成本低；每组采热花管在地质热层内立体布置,地热利用率高。(The utility model provides a geothermal utilization device, including getting well and return water well, it includes deep well pump bed I to get the well, fluorescent tube layer I and heat transfer layer I, the return water well includes deep well pump bed II, fluorescent tube layer II and heat transfer layer II, heat transfer layer I and heat transfer layer II are the floral tube, heat transfer layer I and heat transfer layer II get into behind the geology heat layer through first bending become to the central direction extension of keeping away from well and return water well simultaneously backward, the distance at a distance between heat transfer layer I and heat transfer layer II is far greater than the distance of fluorescent tube layer I and fluorescent tube layer II, and heat transfer layer I and heat transfer layer II make its afterbody closely intersect through the diversion of second time. Compared with the prior art, the invention has the advantages that the first pumping and the second pumping are periodically exchanged, so that the problem of backwater blockage is solved; all the water pumping wells and the water returning wells are arranged in a ground centralized manner, and underground heat collection and radiation are arranged, so that the heat collection area is large, the engineering occupied area is small, and the construction cost is low; each group of heat collecting perforated pipes are arranged in the geological heat layer in a three-dimensional mode, and the geothermal utilization rate is high.)

1. The geothermal utilization device comprises a water taking well (A) and a water return well (B), wherein the water taking well (A) comprises a deep well pump layer I (A1), a light pipe layer I (A2) and a heat exchange layer I (A3), the water return well (B) comprises a deep well pump layer II (B1), a light pipe layer II (B2) and a heat exchange layer II (B3), the heat exchange layer I (A3) and the heat exchange layer II (B3) are flower tubes, the geothermal utilization device is characterized in that the heat exchange layer I (A3) and the heat exchange layer II (B3) are bent for the first time after entering a geological heat layer and extend towards the center direction far away from the water taking well (A) and the water return well (B), the distance between the heat exchange layer I (A3) and the heat exchange layer II (B3) is far away from the light pipe layer I (A2) and the light pipe layer II (B2), and the tail of the heat exchange layer I (A3) and the heat exchange layer II (B3) is far away from the tail of the second time of the heat exchange layer and enable the tail to be far away from the tail of the second time.

2. The geothermal utilization device according to claim 1, wherein the light pipe layer i (a 2) and the light pipe layer ii (B2) are arranged in parallel vertically or in parallel obliquely.

3. The geothermal energy utilizing device of claim 2, wherein the heat exchange layer I (A3) and the heat exchange layer II (B3) are turned backward by the first bending to be in a horizontal direction or a downward inclined direction.

4. A geothermal use according to claim 3, wherein the heat exchange layer i (a 3) and the heat exchange layer ii (B3) are turned back into a top-bottom arrangement by a first bend.

5. A geothermal utilization device according to claim 4, wherein the heat exchange layer I (A3) and the heat exchange layer II (B3) are turned by the first bending to become a left-right layout.

6. A geothermal utilization device according to claim 4, wherein the tail portion of the opposite position after the upward change by the second bending is bent downward, and the tail portion of the opposite position after the downward change by the second bending is bent upward, whereby the tail portions of the heat exchange layer I (A3) and the heat exchange layer II (B3) are formed to meet closely.

7. The geothermal energy utilizing device as set forth in claim 5, wherein the tail portion of the opposite position after the left turn by the second turn is bent to the right, and the tail portion of the opposite position after the right turn by the second turn is bent to the left, thereby forming a close intersection of the tail portions of the heat exchange layer I (A3) and the heat exchange layer II (B3).

8. A geothermal utilization device according to claim 6 or 7, wherein the heat exchange layer I (A3) and the heat exchange layer II (B3) have a certain extension after meeting closely at the tail part, and the extension sections of the heat exchange layer I (A3) and the heat exchange layer II (B3) are parallel.

9. The geothermal energy utilization device of claim 6 or claim 6, wherein the heat exchange layer I (A3) and the heat exchange layer II (B3) have a certain extension after meeting closely at the tail part, and the extension sections of the heat exchange layer I (A3) and the heat exchange layer II (B3) are parallel.

10. The geothermal utilization device according to claim 1 or claim, wherein the one-eye water taking well (a) and the one-eye water returning well (B) are one group of the geothermal utilization device, the geothermal utilization device is composed of a plurality of groups of water taking wells (a) and water returning wells (B), the plurality of groups of water taking wells (a) and water returning wells (B) are intensively arranged on the ground surface at a short distance, and the heat exchange layers i (a 3) and ii (B3) of the plurality of groups of water taking wells (a) and water returning wells (B) are radially arranged.

Technical Field

The present invention relates to a geothermal energy utilizing device.

Background

Currently, there are two modes of geothermal mining in the prior art: the first mode is a pump-back mode, which, although it is said to be thermally efficient, has the following two disadvantages: the first is that it is big to occupy the ground area, and the construction cost is high, and the second is that the return water well floral tube has lasted easy jam. The second mode is the underground heat exchange of the U-shaped heat exchanger, and the defects of the mode are that the heat exchange area is small (caused by the reason of constructors) and the mode is not suitable for large heating projects. Therefore, the design of the geothermal utilization device which occupies a small ground area and is not easy to block a water return flower pipe is a technical problem to be solved at present.

Disclosure of Invention

The invention aims to solve the technical problem of providing a geothermal utilization device which occupies small ground area and is not easy to block a backwater flower pipe.

The technical scheme for solving the technical problem is as follows:

the utility model provides a geothermal utilization device, including getting well and return water well, it includes deep well pump bed I to get the well, fluorescent tube layer I and heat transfer layer I, the return water well includes deep well pump bed II, fluorescent tube layer II and heat transfer layer II, heat transfer layer I and heat transfer layer II are the floral tube, heat transfer layer I and heat transfer layer II get into behind the geology heat layer through first bending become to the central direction extension of keeping away from well and return water well simultaneously backward, the distance at a distance between heat transfer layer I and heat transfer layer II is far greater than the distance of fluorescent tube layer I and fluorescent tube layer II, and heat transfer layer I and heat transfer layer II make its afterbody closely intersect through the diversion of second time. The water taking well and the water return well are in functional alternation in a certain time interval, so that the problem of blockage of a water return flower pipe is solved.

In a preferred embodiment of the present invention, the light pipe layer i and the light pipe layer ii are arranged vertically in parallel or obliquely in parallel.

As a preferable scheme of the invention, the heat exchange layer I and the heat exchange layer II are changed into a horizontal direction or a downward inclined direction after being bent for the first time.

As a preferable scheme of the invention, the heat exchange layer I and the heat exchange layer II are changed into a top-bottom layout after being bent for the first time.

As a preferable scheme of the invention, the heat exchange layer I and the heat exchange layer II are changed into a left-right layout after being bent and changed for the first time.

As a preferable mode of the present invention, the tail portion of the opposite position is bent downward after the opposite position is changed to the upper position by the second bending, and the tail portion of the opposite position is bent upward after the opposite position is changed to the lower position by the second bending, thereby forming the tail portions of the heat exchange layer i and the heat exchange layer ii to be closely joined.

As a preferable mode of the present invention, the tail portion of the heat exchange layer i is bent rightward after the opposite position is changed to the left by the second bending, and the tail portion of the heat exchange layer ii is bent leftward after the opposite position is changed to the right by the second bending, thereby forming a close-distance intersection of the tail portions of the heat exchange layer i and the heat exchange layer ii.

As a preferred scheme of the invention, the tail parts of the heat exchange layer I and the heat exchange layer II are closely intersected and then extend to a certain extent, and the extending sections of the heat exchange layer I and the heat exchange layer II are parallel.

As a preferred scheme of the invention, the tail parts of the heat exchange layer I and the heat exchange layer II are closely intersected and then extend to a certain extent, and the extending sections of the heat exchange layer I and the heat exchange layer II are parallel.

As a preferable scheme of the invention, the one-eye water taking well and the one-eye water returning well are one group of geothermal heat utilization devices, each geothermal heat utilization device comprises a plurality of groups of water taking wells and water returning wells, the plurality of groups of water taking wells and water returning wells are intensively arranged on the ground surface at a short distance, and the heat exchange layers I and the heat exchange layers II of the plurality of groups of water taking wells and water returning wells are radially arranged.

Compared with the prior art, the invention has the advantages that the first pumping and the second pumping are periodically exchanged, so that the problem of backwater blockage is solved; all the water pumping wells and the water returning wells are arranged in a ground centralized manner, and underground heat collection and radiation are arranged, so that the heat collection area is large, the engineering occupied area is small, and the construction cost is low; each group of heat collecting perforated pipes are arranged in the geological heat layer in a three-dimensional mode, and the geothermal utilization rate is high.

Drawings

FIG. 1 is a schematic structural view of the present invention (first embodiment);

FIG. 2 is a schematic structural view of the present invention (second embodiment);

FIG. 3 is a schematic structural view of the present invention (third embodiment-axis side view);

FIG. 4 is a schematic diagram of a surface concentration arrangement, subsurface radiation arrangement (first embodiment);

fig. 5 is a schematic diagram of a surface concentration arrangement, subsurface radiation arrangement (second embodiment).

Detailed Description

As shown in the figure, the geothermal utilization device comprises a water taking well A and a water returning well B, wherein the water taking well A comprises a deep well pump layer IA 1, a light pipe layer IA 2 and a heat exchange layer IA 3, the water returning well B comprises a deep well pump layer IB 1, a light pipe layer IB 2 and a heat exchange layer IB 3, the heat exchange layer IA 3 and the heat exchange layer IB 3 are flower tubes, the heat exchange layer IA 3 and the heat exchange layer IB 3 enter a geological heat layer and then are bent for the first time to change and extend towards the direction far away from the centers of the water taking well A and the water returning well B, the distance between the heat exchange layer IA 3 and the heat exchange layer IB 3 is far greater than that between the light pipe layer IA 2 and the light pipe layer IB 2, and the tail portions of the heat exchange layer IA 3 and the heat exchange layer IB 3 are changed for the second time to enable the tail portions of the heat exchange layer IA 35to be intersected closely.

The light pipe layer IA 2 and the light pipe layer IIB 2 are arranged vertically in parallel or obliquely in parallel.

The heat exchange layer ia 3 and the heat exchange layer ib 3 become a horizontal direction or a downward oblique direction by being turned backward by the first bend.

The heat exchange layer ia 3 and the heat exchange layer ib 3 turn back into a top-bottom layout by a first bend.

The heat exchange layer IA 3 and the heat exchange layer IIB 3 are turned into a left-right layout after being bent for the first time.

The tail portion of the opposite position after the second bending change is bent downwards, and the tail portion of the opposite position after the second bending change is bent upwards, so that the tail portions of the heat exchange layer IA 3 and the heat exchange layer IIB 3 are formed to be converged at a short distance.

The tail portion of the opposite position left bent to the right after the second bending and the tail portion of the opposite position right bent to the left after the second bending, thereby forming a close intersection of the tail portions of heat exchange layer ia 3 and heat exchange layer ib 3.

The tail parts of the heat exchange layer IA 3 and the heat exchange layer IIB 3 are closely intersected and then extend to a certain extent, and the extending sections of the heat exchange layer IA 3 and the heat exchange layer IIB 3 are parallel.

The tail parts of the heat exchange layer IA 3 and the heat exchange layer IIB 3 are closely intersected and then extend to a certain extent, and the extending sections of the heat exchange layer IA 3 and the heat exchange layer IIB 3 are parallel.

The geothermal heat utilization device comprises a plurality of groups of water taking wells A and water returning wells B which are intensively arranged on the ground surface at a short distance, and the heat exchange layers IA 3 and the heat exchange layers IIB 3 of the groups of water taking wells A and the water returning wells B are radially arranged.