阅读说明：本技术 一种浅层地热能利用装置及其使用方法 (Shallow geothermal energy utilization device and use method thereof ) 是由 周尚生 于 2020-05-12 设计创作，主要内容包括：本发明公开了一种浅层地热能利用装置及其使用方法,属于地热能利用技术领域,本方案通过传导板将浅层地下的热量传递到相变热传递箱内,热传递介质内的沙子快速吸收热量,并持续对水进行加热,并随着热量增加,弹性囊球受热膨胀致使热动子克服弹性细绳的拉力上升并与热定子相互接触,从而将热能传输给热存储介质,可以实现通过将热交换槽的内壁仿制成与荷叶表面相似,使得其具有超疏水性,从而减少热交换槽内壁附着沙粒和水的可能性,通过使用水和沙2:1混合制作热传递介质,既能提高热传递介质的储热温度,也能减少存储的热量大量散失的可能性,在热动子上下移动传递热量过程中可以将沙搅散,提高其温度传递给水的效率。(The invention discloses a shallow geothermal energy utilization device and a using method thereof, belonging to the technical field of geothermal energy utilization, the scheme is that the heat of the underground shallow layer is transferred into a phase-change heat transfer box through a conduction plate, sand in a heat transfer medium absorbs the heat rapidly and heats water continuously, and along with the increase of the heat, an elastic bag ball expands when heated to cause a thermal mover to overcome the tension of an elastic string to rise and contact with a thermal stator, thereby transferring the heat energy to a heat storage medium, the inner wall of a heat exchange groove can be imitated to be similar to the surface of a lotus leaf, so that the thermal mover has super-hydrophobicity, thereby reducing the possibility that sand grains and water are attached to the inner wall of the heat exchange groove, the heat storage temperature of the heat transfer medium can be improved and the possibility that a large amount of stored heat is dissipated can be reduced by using water and sand 2:1 to mix the heat transfer medium, the sand can be stirred and dissipated in the process that the thermal mover, improving the efficiency of transferring the temperature thereof to the water.)

1. The utility model provides a shallow geothermal energy utilizes device, includes phase transition heat transfer case (1), its characterized in that: the phase-change heat transfer box (1) is filled with a heat transfer medium (101), the bottom end of the phase-change heat transfer box (1) is embedded with a plurality of uniformly distributed conducting plates (2), the inner bottom end of the phase-change heat transfer box (1) is fixedly connected with a plurality of uniformly distributed elastic strings (3), the conducting plates (2) and the elastic strings (3) are distributed in a staggered manner, the upper end of the elastic strings (3) is fixedly connected with a heat mover, the heat mover comprises an elastic bag ball (4) fixedly connected with the elastic strings (3), the outer end of the elastic bag ball (4) is fixedly connected with a plurality of semi-convex bags (5) which are distributed in an annular manner and are mutually communicated with the elastic bag ball (4), the outer end of the elastic bag ball (4) is sleeved with a side limiting ring (6) which is chiseled with a plurality of side limiting holes (7), and the semi-convex bags (5) are positioned in the side limiting holes (7) and are matched with the side limiting, half protruding bag (5) outer end fixedly connected with a plurality of evenly distributed's sand removal burr (8), phase change heat transfer case (1) inner wall fixedly connected with heat sees through layer (9), phase change heat transfer case (1) upper end fixedly connected with heat storage box (11), heat storage box (11) are embedded to be equipped with a plurality of heat stators that correspond with the heat rotor, heat stators is including inlaying conduction stick (12) of establishing in heat storage box (11), phase change heat transfer case (1) is run through to conduction stick (12), conduction stick (12) bottom fixedly connected with heat exchange block (13), heat exchange block (13) bottom is opened the chisel and is had heat exchange groove (14) with elasticity bag ball (4) assorted.

2. The shallow geothermal energy utilization device of claim 1, wherein: heat sees through layer (9) including with phase transition heat transfer case (1) inner wall fixed connection's elasticity filter screen (10), elasticity filter screen (10) are embedded to be equipped with a plurality ofly and side limit ring (6) assorted vertical limit ring (1001).

3. The shallow geothermal energy utilization device of claim 1, wherein: the heat exchange tank (14) inner wall fixedly connected with a plurality of even main spherical protrudings (15), main spherical protrudings (15) surface fixedly connected with a plurality of evenly distributed auxiliary spherical protrudings (16), the diameter of auxiliary spherical protrudings (16) is 2 nm.

4. The shallow geothermal energy utilization device of claim 1, wherein: the heat transfer medium (101) is formed by mixing water and fine sand, and the mixing ratio of the water to the fine sand is 2: 1.

5. The shallow geothermal energy utilization device of claim 1, wherein: the heat storage tank (11) is filled with a heat storage medium (1101), and the elastic bag ball (4) is filled with carbon dioxide gas.

6. The shallow geothermal energy utilization device of claim 1, wherein: the conductive plate (2) and the conductive rod (12) are made of aluminum materials, and the upper end of the conductive plate (2) is round-headed.

7. The shallow geothermal energy utilization device of claim 1, wherein: the magnet blocks are fixedly connected to the inner portions of the side limiting ring (6) and the vertical limiting ring (1001) and are mutually exclusive.

8. The shallow geothermal energy utilization device of claim 2, wherein: the elastic filter screen (10) is made of stainless steel, and the surface of the elastic filter screen (10) is coated with an anti-rust paint layer.

9. The use method of the shallow geothermal energy utilization device according to claim 1, characterized in that: the method comprises the following steps:

s1, transferring shallow underground heat into the phase-change heat transfer box (1) through the conduction plate (2), and rapidly absorbing the heat by sand in the heat transfer medium (101) and continuously heating water;

s2, as the heat of the heat transfer medium (101) is increased, the elastic capsule (4) is heated and expanded to cause the heat mover to overcome the pulling force of the elastic string (3) to rise and contact with the heat stator, so that the heat energy is transferred to the heat storage medium (1101);

and S3, when the temperature of the thermal runner is reduced, the elastic capsule (4) contracts and enables buoyancy to be reduced, moves downwards under the reset action of the elastic string (3), penetrates through the thermal transmission layer (9), and is immersed into the heat transfer medium (101) until the next expansion and lifting.

Technical Field

The invention relates to the technical field of geothermal energy utilization, in particular to a shallow geothermal energy utilization device and a using method thereof.

Background

The shallow geothermal energy is clean energy, the shallow geothermal energy is evaluated by utilizing the environmental influence of engineering design, construction and operation according to a selected mining utilization scheme in the shallow geothermal energy exploration, the positive and negative effects of the environment possibly caused by the construction and operation of a system are evaluated and predicted to provide a scientific basis for the management of the geological environment, the range of the shallow geothermal energy utilization environmental influence evaluation is determined by comprehensively analyzing the properties, the engineering scale, the layout and the production process of the shallow geothermal energy utilization system in combination with the factors such as local environment, geological conditions and the like according to the principle that the requirement for protecting the geological environment can be met, and the influence of the shallow geothermal energy utilization on the atmospheric environment is evaluated on the basis of the geological environment status investigation in the evaluation range; influence of the underground water heat exchange system on shallow underground water; whether ground settlement, karst collapse and ground cracks can be generated due to the influence of chemical components in the discharged fluid on the groundwater environment; the influence of the circulating water leakage of the soil source heat exchange system on the underground water quality is particularly evaluated on the influence of the development of shallow geothermal energy on a shallow geothermal field.

On the basis of environmental evaluation, a measure for preventing negative influence of development of shallow geothermal energy is provided, a working program of the shallow geothermal energy development environmental influence evaluation includes collecting and sorting historical data, establishing an environmental influence evaluation index system, establishing an observation point, collecting system data such as water quality, water level and temperature, obtaining environmental influence evaluation parameters, establishing an environmental prediction model, and correcting the model to perform shallow geothermal energy utilization environmental influence evaluation.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a shallow geothermal energy utilization device and a using method thereof, the scheme is that the heat of the underground of a shallow layer is transferred into a phase-change heat transfer box through a conduction plate, sand in a heat transfer medium absorbs the heat rapidly and heats water continuously, and along with the increase of the heat transfer medium, an elastic bag ball expands due to heating so that a heater overcomes the tension rise of an elastic string and is contacted with a heat stator, thereby transferring the heat energy to the heat storage medium, the inner wall of a heat exchange groove is imitated to be similar to the surface of lotus leaves, so that the heat exchange groove has super-hydrophobicity, the possibility of adhering sand grains and water on the inner wall of the heat exchange groove is reduced, the heat storage temperature of the heat transfer medium can be improved, and the possibility of large loss of the stored heat can be reduced by using the heat transfer medium prepared by mixing water and sand 2:1, the sand can be stirred and dispersed in the process that the heat actuator moves up and down to transfer heat, so that the efficiency of transferring the temperature of the sand to water is improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A shallow geothermal energy utilization device comprises a phase change heat transfer box, wherein a heat transfer medium is filled in the phase change heat transfer box, a plurality of uniformly distributed conducting plates are embedded at the bottom end of the phase change heat transfer box, a plurality of uniformly distributed elastic strings are fixedly connected at the bottom end of the phase change heat transfer box, the conducting plates and the elastic strings are distributed in a staggered manner, a hot rotor is fixedly connected at the upper end of the elastic strings and comprises elastic bag balls fixedly connected with the elastic strings, a plurality of semi-convex bags which are distributed in an annular manner and mutually communicated with the elastic bag balls are fixedly connected at the outer end of each elastic bag ball, side limiting rings with a plurality of side limiting holes are arranged at the outer end of each elastic bag ball in a sleeved manner, the semi-convex bags are positioned in the side limiting holes and matched with the side limiting holes, and a plurality of uniformly distributed sand removing burrs are fixedly connected at the outer end of each semi-convex bag, the utility model discloses a heat storage device, including phase transition heat transfer case, heat exchange piece, heat exchange plate, heat transfer case, heat exchange plate, heat transfer bag ball, heat exchange plate, heat transfer medium, heat exchange plate, heat transfer case inner wall fixedly connected with heat sees through the layer, phase transition heat transfer case upper end fixedly connected with heat storage box, the embedded hot stator that is equipped with a plurality of and the heat rotor phase correspondences that is equipped with of heat storage box, hot stator is including inlaying the conduction stick of establishing in heat storage box, the conduction stick runs through phase transition heat transfer case, conduction stick bottom fixedly connected with heat exchange block, heat exchange block bottom is opened chisel have with elasticity bag ball assorted heat exchange groove, with the heat transfer medium in the heat transfer case of shallow layer underground through the conduction board to along with the heat increase of heat.

Further, the heat is passed through the layer and is included the elasticity filter screen with phase transition heat transfer incasement wall fixed connection, the embedded vertical confinement ring that is equipped with a plurality of and side confinement ring assorted that is equipped with of elasticity filter screen, through setting up the elasticity filter screen, can be after the heat rotor finishes heat transmission, when moving down under the effect of resetting of elasticity string, sieve the sand that scatters, through setting up vertical confinement ring, can pass through hot nail and vertical confinement ring's collision when the heat stator passes vertical confinement ring, can make the shake of elasticity filter screen, shake off its surperficial sand grain.

Further, a plurality of even main spherical protrusions of heat exchange tank inner wall fixedly connected with, main spherical protrusion fixed surface is connected with a plurality of evenly distributed's vice spherical protrusion, the diameter of vice spherical protrusion is 2nm, through setting up main spherical protrusion and vice spherical protrusion, makes the inner wall imitation of heat exchange tank similar with the lotus leaf surface for it has super hydrophobicity, thereby can roll off when making the moisture that hot runner brought out contact the heat exchange tank inner wall, and takes away the adnexed sand grain of heat exchange tank inner wall.

Furthermore, the heat transfer medium is formed by mixing water and fine sand, the mixing ratio of the water to the fine sand is 2:1, the heat storage performance of the heat transfer medium can be improved by mixing the water and the sand in a ratio of 2:1, heat can be quickly absorbed by the sand, the water is continuously heated, the heat storage temperature of the heat transfer medium can be increased, and the possibility of large loss of the stored heat can be reduced.

Furthermore, the heat storage medium is filled in the heat storage tank, the elastic capsule ball is filled with carbon dioxide gas, and the carbon dioxide is arranged in the elastic capsule ball, so that the elastic capsule ball can be heated and rapidly expanded by virtue of the property that the carbon dioxide is greenhouse gas, and the thermal actuator can overcome the tension of the elastic string to rise.

Further, conduction board and conduction stick are made by the aluminium material, the button head form is set to conduction board upper end, through using aluminium material preparation conduction board and conduction stick, can improve the heat conduction effect of conduction board and conduction stick, through setting the button head form to conduction board upper end, can make hot active cell be difficult for being damaged by the conduction board when moving down.

Furthermore, the magnet blocks are fixedly connected to the inner portions of the side limiting ring and the vertical limiting ring, the magnet blocks are mutually exclusive, the mutually exclusive magnet blocks are arranged in the side limiting ring and the vertical limiting ring, the staying time of the side limiting ring in the vertical limiting ring can be prolonged, and the possibility that the side limiting ring is clamped in the vertical limiting ring is reduced.

Further, the elastic filter screen is made of stainless steel, the surface of the elastic filter screen is coated with an anti-rust paint layer, the elastic filter screen is made of stainless steel and coated with anti-rust paint on the surface of the elastic filter screen, so that the elastic filter screen is not easy to rust in a long-term use process, and the service life of the elastic filter screen can be prolonged.

A use method of a shallow geothermal energy utilization device is characterized by comprising the following steps: the method comprises the following steps:

s1, transferring the shallow underground heat into the phase-change heat transfer box through the conduction plate, and enabling sand in the heat transfer medium to quickly absorb the heat and continuously heat water;

s2, as the heat of the heat transfer medium is increased, the elastic capsule is heated and expanded to cause the heat mover to overcome the pulling force of the elastic string and rise and contact with the heat stator, so that the heat energy is transferred to the heat storage medium;

and S3, when the temperature of the thermal mover is reduced, the elastic capsule shrinks and reduces buoyancy, the elastic capsule moves downwards under the reset action of the elastic string, penetrates through the heat permeable layer and is immersed into the heat transfer medium until the elastic capsule expands and rises next time.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme transfers the shallow underground heat into the phase-change heat transfer box through the conduction plate, sand in the heat transfer medium quickly absorbs the heat, the water is continuously heated, and along with the increase of the heat transfer medium, the elastic capsule ball is heated and expanded to cause the heat mover to overcome the pulling force of the elastic string and rise and contact with the heat stator, thereby transmitting the heat energy to the heat storage medium, realizing that the inner wall of the heat exchange tank is imitated to be similar to the lotus leaf surface, leading the heat exchange tank to have super-hydrophobicity, thereby reducing the possibility of sand grains and water adhering to the inner wall of the heat exchange tank, improving the heat storage temperature of the heat transfer medium and reducing the possibility of large loss of stored heat by using the heat transfer medium prepared by mixing water and sand 2:1, the sand can be stirred and dispersed in the process that the heat actuator moves up and down to transfer heat, so that the efficiency of transferring the temperature of the sand to water is improved.

(2) The heat passes through the layer and includes the elasticity filter screen with phase transition heat transfer incasement wall fixed connection, the embedded vertical restriction ring that is equipped with a plurality of and side restriction ring assorted that is equipped with of elasticity filter screen, through setting up the elasticity filter screen, can be after the heat-actuated element finishes heat transmission, when the effect of resetting of elasticity string moves down, the sand to scattering sieves, through setting up vertical restriction ring, can pass vertical restriction ring at the heat-actuated element, through the collision of hot nail with vertical restriction ring, can make the shake of elasticity filter screen, shake off its surperficial sand grain.

(3) The heat exchange tank inner wall fixedly connected with a plurality of even main spherical protruding, the protruding surperficial fixedly connected with a plurality of evenly distributed's of main spherical vice spherical protruding, vice spherical bellied diameter is 2nm, through setting up main spherical protruding and vice spherical protruding, it is similar with the lotus leaf surface to imitate the inner wall of heat exchange tank to make it have super hydrophobicity, thereby can roll off when making the moisture that the hot active cell brought out contact the heat exchange tank inner wall, and take away the adnexed sand grain of heat exchange tank inner wall.

(4) The heat transfer medium is prepared by mixing water and fine sand, the mixing ratio of the water to the fine sand is 2:1, the heat storage performance of the heat transfer medium can be improved by mixing the water and the fine sand in a ratio of 2:1, heat can be quickly absorbed by the sand, the water is continuously heated, the heat storage temperature of the heat transfer medium can be improved, and the possibility of large loss of stored heat can be reduced.

(5) The heat storage medium is filled in the heat storage tank, the carbon dioxide gas is filled in the elastic bag ball, and the carbon dioxide is arranged in the elastic bag ball, so that the elastic bag ball can be heated and can be rapidly expanded by virtue of the property that the carbon dioxide is greenhouse gas, and the thermodynamics can overcome the tension rise of the elastic string.

(6) Conduction board and conduction stick are made by the aluminium material, and the button head form is set to conduction board upper end, through using aluminium material preparation conduction board and conduction stick, can improve the heat conduction effect of conduction board and conduction stick, through setting the button head form to conduction board upper end, can make the hot active cell difficult by the conduction board damage when moving down.

(7) The magnet blocks are fixedly connected to the inner portions of the side limiting ring and the vertical limiting ring, the two magnet blocks are mutually exclusive, the mutually exclusive magnet blocks are arranged inside the side limiting ring and the vertical limiting ring, the staying time of the side limiting ring in the vertical limiting ring can be prolonged, and the possibility that the side limiting ring is clamped in the vertical limiting ring is reduced.

(8) The elastic filter screen is made of stainless steel, the surface of the elastic filter screen is coated with an anti-rust paint layer, the elastic filter screen is made of the stainless steel and coated with the anti-rust paint, the elastic filter screen can be prevented from being rusted easily in a long-term use process, and therefore the service life of the elastic filter screen can be prolonged.

Drawings

FIG. 1 is a cross-sectional view of the shallow geothermal energy of the present invention;

FIG. 2 is a cross-sectional view of a portion of a phase change heat transfer case of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a cross-sectional view of a thermal actuator portion of the present invention;

FIG. 5 is a cross-sectional view of the thermal actuator of the present invention as it expands;

FIG. 6 is a cross-sectional view of a heat stator portion of the present invention;

fig. 7 is a schematic view of the structure at B in fig. 6.

The reference numbers in the figures illustrate:

the heat exchanger comprises a phase change heat transfer box 1, a heat transfer medium 101, a conduction plate 2, an elastic string 3, an elastic bag ball 4, a semi-convex bag 5, a lateral limiting ring 6, a lateral limiting hole 7, a sand removing burr 8, a heat transmission layer 9, an elastic filter screen 10, a vertical limiting ring 1001, a heat storage box 11, a heat storage medium 1101, a conduction rod 12, a heat exchange block 13, a heat exchange groove 14, a main spherical bulge 15 and an auxiliary spherical bulge 16.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.