CN112146296A - Shallow geothermal utilization system based on automatic control system - Google Patents
Shallow geothermal utilization system based on automatic control system Download PDFInfo
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- CN112146296A CN112146296A CN202010973117.3A CN202010973117A CN112146296A CN 112146296 A CN112146296 A CN 112146296A CN 202010973117 A CN202010973117 A CN 202010973117A CN 112146296 A CN112146296 A CN 112146296A
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- buried pipe
- control system
- buried
- module
- heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
- F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
- F24T10/15—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using bent tubes; using tubes assembled with connectors or with return headers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T2010/50—Component parts, details or accessories
- F24T2010/56—Control arrangements
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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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- General Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a shallow geothermal utilization system based on an automatic control system, which comprises a buried pipe system, a thermal compensation system, a heat exchange system, an energy consumption system and an intelligent control system, wherein the buried pipe system is connected with the thermal compensation system; the buried pipe system, the thermal compensation system, the heat exchange system and the energy consumption system are controlled by the intelligent control system to operate. According to the scheme of the invention, the buried pipe is buried by a staggered buried pipe method, the running state of the buried pipe can be adjusted according to the requirement, the use flexibility is greatly improved, and the thermal compensation system is designed to thermally compensate the medium passing through the heat exchange, so that the problem of thermal balance unbalance caused by excessive heat collection of soil is avoided; through setting up and gathering together light subassembly, the compensation soil heat loss of maximize, the thermal balance of the maximize stable soil.
Description
Technical Field
The invention belongs to the technical field of energy conservation and environmental protection, and particularly relates to a shallow geothermal utilization system based on an automatic control system.
Background
The shallow geothermal energy is also called shallow geothermal energy, and refers to a thermal energy resource in the earth with development and utilization values under the current technical and economic conditions within a certain depth range (generally, a constant temperature zone is up to 200m of buried depth) below the earth surface and the temperature is lower than 25 ℃. The shallow geothermal energy is a part of geothermal resources, and is also a special mineral resource, and the energy of the mineral resource mainly comes from solar radiation and earth gradient temperature rise. After the shallow geothermal energy is collected and utilized by the heat pump technology, the energy can be saved by 50 to 60 percent compared with the conventional heating technology, and the operating cost is reduced by about 30 to 40 percent.
The shallow geothermal energy has wide distribution, large reserve, rapid regeneration and high utilization value. The Chinese shallow geothermal energy is mainly utilized and collected by a ground source heat pump technology. Not only can satisfy the heating demand, but also directly reduces the pollution amount of emission, and is beneficial to protecting the environment.
At present, the automatic control and detection level of the existing shallow geothermal utilization system is low, and the problem of failure cannot be detected in time and a solution cannot be detected, so that a shallow geothermal utilization system with high intelligent degree based on an automatic control system is developed.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a shallow geothermal utilization system based on an automatic control system aiming at the defects of the prior art.
The technical scheme is as follows: the invention relates to a shallow geothermal utilization system based on an automatic control system, which comprises a buried pipe system, a thermal compensation system, a heat exchange system, an energy consumption system and an intelligent control system, wherein the buried pipe system is connected with the thermal compensation system;
the buried pipe system comprises buried pipe components, a buried pipe water supply pump and a buried pipe auxiliary fixing component, wherein the buried pipe components are buried by a staggered buried pipe method, a buried pipe area is selected firstly, three buried pipe points are arranged in the buried pipe area in a gradient mode from shallow to deep, a group of independent buried pipe components are buried in each buried pipe point, the bottom of each buried pipe point is provided with the buried pipe auxiliary fixing component, the buried pipe auxiliary fixing component is connected with the bottom of the buried pipe and used for assisting in fixing the position of the buried pipe, and the buried pipe components of each buried pipe point are connected with the buried pipe water supply pump after being connected in series;
the heat compensation system comprises a rock landscape layer arranged on the periphery of the buried pipe system, the buried pipe passes through a heat exchange system and then passes through a preset channel in the rock landscape layer to form heat compensation, and then the heat compensation is recycled to enter the soil layer;
the heat exchange system comprises a compressor, an evaporator, a throttle valve and a condenser which are sequentially connected in series, wherein the compressor is connected with a reversing valve;
the intelligent control system comprises a central processing unit, a buried pipe state monitoring module, a thermal compensation system control module, a heat exchange system control module and an energy consumption system control operation module, wherein the buried pipe state monitoring module comprises a medium flow rate monitoring sub-module and a medium density snapshot detection module;
the buried pipe system, the thermal compensation system, the heat exchange system and the energy consumption system are controlled by the intelligent control system to operate.
Further, in the use in winter, for avoiding soil heat balance imbalance, rock landscape layer is equipped with all around and holds together the light subassembly, hold together the curved surface that the light subassembly set up on revolving stage and the revolving stage and hold together the light mirror, the curved surface is held together the light mirror and is towards the rock landscape layer.
Further, as a preferred embodiment, the auxiliary fixing assembly for the buried pipe comprises a triangular anchor which is inserted at the bottom of the pipe hole, the top of the triangular anchor is provided with a self-closing joint, the bottom of the buried pipe is provided with a matching connecting ring, and the position of the buried pipe is fixed by the auxiliary fixing assembly for the self-closing joint and the connecting ring.
Further, as a preferred embodiment, the self-closing joint comprises a ring frame, the bottom of the ring frame is welded to the top of the triangular anchor, a notch is formed in the bottom of the ring frame, an arc-shaped seal is arranged on the inner side of the notch, one end of the arc-shaped seal is hinged to the top of the ring frame, the other end of the arc-shaped seal is a free end, an elastic piece is arranged between the arc-shaped seal and the inner wall of the ring frame, and the arc-shaped seal is opened and closed through deformation of the elastic piece.
Further, as a preferred embodiment, the solar energy power supply system is further included, and the solar energy power supply system is electrically connected with the compressor to supply power to the compressor.
Further, as a preferred embodiment, the energy consumption system comprises an energy storage unit and a geothermal module which are connected in parallel, electric valves are arranged at ports of the energy storage unit and ports of the geothermal module, and the electric valves are connected with the intelligent control system.
Has the advantages that: (1) according to the scheme of the invention, the buried pipe is buried by a staggered buried pipe method, the running state of the buried pipe can be adjusted according to the requirement, the use flexibility is greatly improved, and the thermal compensation system is designed to thermally compensate the medium passing through the heat exchange, so that the problem of thermal balance unbalance caused by excessive heat collection of soil is avoided; (2) by arranging the light gathering assembly, the heat loss of the soil is compensated to the maximum extent, and the heat balance of the soil is stabilized to the maximum extent; (3) the intelligent control system controls the operation of the geothermal system, detects the operation state of the geothermal system in real time, finds and solves the problem of medium flow abnormity in time, and ensures the normal operation of the geothermal system.
Drawings
FIG. 1 is a schematic diagram of the overall architecture of the system of the present invention;
1. the system comprises an underground pipe assembly, 2, an underground pipe water supply pump, 3, an underground pipe auxiliary fixing assembly, 4, a thermal compensation system, 5, a compressor, 6, an evaporator, 7, a throttle valve, 8, a condenser, 9, a reversing valve, 10, a solar power supply system, 11, an energy storage unit, 12 and a geothermal module.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example (b): a shallow geothermal utilization system based on an automatic control system comprises a buried pipe system, a thermal compensation system, a heat exchange system, an energy consumption system and an intelligent control system;
the buried pipe system comprises buried pipe components 1, a buried pipe water supply pump 2 and buried pipe auxiliary fixing components 3, wherein the buried pipe components 1 are buried by a staggered buried pipe method, a buried pipe area is selected firstly, three buried pipe points are arranged in the buried pipe area in a gradient mode from shallow to deep, a group of independent buried pipe components are buried in each buried pipe point, the buried pipe auxiliary fixing components 3 are arranged at the bottoms of the buried pipe points, the buried pipe auxiliary fixing components 3 are connected with the bottoms of the buried pipes, the positions of the buried pipes are fixed in an auxiliary mode, and the buried pipe components of the buried pipe points are connected with the buried pipe water supply pump 2 after being connected in series;
the thermal compensation system 4 comprises a rock landscape layer arranged on the periphery of the buried pipe system, the buried pipe passes through a heat exchange system and then passes through a preset channel in the rock landscape layer to form thermal compensation, and then the thermal compensation is recycled to enter the soil layer;
the heat exchange system comprises a compressor 5, an evaporator 6, a throttle valve 7 and a condenser 8 which are sequentially connected in series, wherein the compressor 5 is connected with a reversing valve 9;
the intelligent control system comprises a central processing unit, a buried pipe state monitoring module, a thermal compensation system control module, a heat exchange system control module and an energy consumption system control operation module, wherein the buried pipe state monitoring module comprises a medium flow rate monitoring sub-module and a medium density snapshot detection module;
the buried pipe system, the thermal compensation system, the heat exchange system and the energy consumption system are controlled by the intelligent control system to operate.
In the use in winter, for avoiding soil thermal balance imbalance, the rock landscape layer is equipped with all around and holds together the light subassembly, hold together the curved surface that the light subassembly set up on automatic rotating stage and the automatic rotating stage and hold together the light mirror, the curved surface is held together the light mirror and is towards the rock landscape layer.
The auxiliary fixing component 3 for the buried pipe comprises a triangular anchor which is inserted at the bottom of the pipe hole, the top of the triangular anchor is provided with a self-closing joint, the bottom of the buried pipe is provided with a matching connecting ring, and the position of the buried pipe is assisted to be fixed through the connection of the self-closing joint and the connecting ring.
The self-closing joint comprises a ring frame, the bottom of the ring frame is welded to the top of the triangular anchor, a notch is formed in the bottom of the ring frame, an arc-shaped seal is arranged on the inner side of the notch, one end of the arc-shaped seal is hinged to the top of the ring frame, the other end of the arc-shaped seal is a free end, an elastic piece is arranged between the arc-shaped seal and the inner wall of the ring frame, and the arc-shaped seal is opened and closed through deformation of the elastic piece.
The system further comprises a solar power supply system 10, wherein the solar power supply system is electrically connected with the compressor and supplies power to the compressor.
The energy consumption system comprises an energy storage unit 11 and a geothermal module 12 which are connected in parallel, electric valves are arranged at ports of the energy storage unit and ports of the geothermal module, and the electric valves are connected with the intelligent control system.
The operation process of the system is as follows: (1) starting an intelligent control system, and regulating and controlling the operation direction of a reversing valve on a compressor by the intelligent control system according to the heating or refrigerating requirement; simultaneously starting a solar power supply system to supply power to the compressor;
(2) the intelligent control system firstly starts the soil heat energy acquisition system, and the soil heat energy acquisition system operates to supply energy;
(3) the intelligent control system detects that the heat energy collected by the geothermal collection system is greater than the requirement of the energy consumption system, and then the energy storage unit is started to store the energy;
(4) the intelligent control system detects the water flow speed and water density of the water conveying casing in real time, when the water flow speed is lower than a set value, a sewage discharge flow is started, filters are arranged at the water inlets of the central water supply pipe and the protective pipe sleeve for sewage discharge, and the operation is continued after the sewage discharge is finished.
According to the scheme of the invention, the buried pipe is buried by a staggered buried pipe method, the running state of the buried pipe can be adjusted according to needs, the use flexibility is greatly improved, and the thermal compensation system is designed to thermally compensate the medium passing through heat exchange, so that the problem of thermal balance unbalance caused by excessive heat collection of soil is avoided.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a shallow geothermal utilization system based on automated control system which characterized in that: the system comprises a buried pipe system, a thermal compensation system, a heat exchange system, an energy consumption system and an intelligent control system;
the buried pipe system comprises buried pipe components, a buried pipe water supply pump and a buried pipe auxiliary fixing component, wherein the buried pipe components are buried by a staggered buried pipe method, a buried pipe area is selected firstly, three buried pipe points are arranged in the buried pipe area in a gradient mode from shallow to deep, a group of independent buried pipe components are buried in each buried pipe point, the bottom of each buried pipe point is provided with the buried pipe auxiliary fixing component, the buried pipe auxiliary fixing component is connected with the bottom of the buried pipe and used for assisting in fixing the position of the buried pipe, and the buried pipe components of each buried pipe point are connected with the buried pipe water supply pump after being connected in series;
the heat compensation system comprises a rock landscape layer arranged on the periphery of the buried pipe system, the buried pipe passes through a heat exchange system and then passes through a preset channel in the rock landscape layer to form heat compensation, and then the heat compensation is recycled to enter the soil layer;
the heat exchange system comprises a compressor, an evaporator, a throttle valve and a condenser which are sequentially connected in series, wherein the compressor is connected with a reversing valve;
the intelligent control system comprises a central processing unit, a buried pipe state monitoring module, a thermal compensation system control module, a heat exchange system control module and an energy consumption system control operation module, wherein the buried pipe state monitoring module comprises a medium flow rate monitoring sub-module and a medium density snapshot detection module;
the buried pipe system, the thermal compensation system, the heat exchange system and the energy consumption system are controlled by the intelligent control system to operate.
2. The automatic control system based shallow geothermal utilization system of claim 1, wherein: the rock landscape layer is equipped with all around and holds together the optical assembly, hold together the curved surface that the optical assembly set up including automatic rotating stage and hold together the optical lens, the curved surface is held together the optical lens and is held together the optical lens towards the rock landscape layer.
3. The automatic control system based shallow geothermal utilization system of claim 1 or 2, wherein: the auxiliary fixing assembly for the buried pipe comprises a triangular anchor which is inserted at the bottom of the pipe hole, the top of the triangular anchor is provided with a self-closing joint, the bottom of the buried pipe is provided with a matching connecting ring, and the position of the buried pipe is fixed in an auxiliary mode through the connection of the self-closing joint and the connecting ring.
4. The automatic control system based shallow geothermal utilization system of claim 3, wherein: the self-closing joint comprises a ring frame, the bottom of the ring frame is welded to the top of the triangular anchor, a notch is formed in the bottom of the ring frame, an arc-shaped seal is arranged on the inner side of the notch, one end of the arc-shaped seal is hinged to the top of the ring frame, the other end of the arc-shaped seal is a free end, an elastic piece is arranged between the arc-shaped seal and the inner wall of the ring frame, and the arc-shaped seal is opened and closed through deformation of the elastic piece.
5. The automatic control system based shallow geothermal utilization system of claim 4, wherein: the solar energy power supply system is electrically connected with the compressor and supplies power to the compressor.
6. The automatic control system based shallow geothermal utilization system of claim 5, wherein: the energy consumption system comprises an energy storage unit and a geothermal module which are connected in parallel, electric valves are arranged at the port of the energy storage unit and the port of the geothermal module, and the electric valves are connected with the intelligent control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010973117.3A CN112146296A (en) | 2020-09-16 | 2020-09-16 | Shallow geothermal utilization system based on automatic control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010973117.3A CN112146296A (en) | 2020-09-16 | 2020-09-16 | Shallow geothermal utilization system based on automatic control system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2098791A1 (en) * | 2008-03-05 | 2009-09-09 | Roth Werke GmbH | Device for heating water |
| US20110265972A1 (en) * | 2008-10-28 | 2011-11-03 | Trak International, Llc | Methods and equipment for geothermally exchanging energy |
| US20140123644A1 (en) * | 2012-11-02 | 2014-05-08 | Korea Institute Of Energy Research | Heat-electricity combined production system that utilizes solar energy and geothermal heat |
| CN105258397A (en) * | 2015-11-11 | 2016-01-20 | 阜新宏利新能源供热有限公司 | Monitoring system for stable operation of solar ground source heat pump coupling system |
| CN206514380U (en) * | 2017-01-10 | 2017-09-22 | 昆明理工大学 | One kind utilizes solar energy, air energy, soil source heat pump coupling heating system |
| KR20190030844A (en) * | 2017-09-15 | 2019-03-25 | 한국에너지기술연구원 | Subterranean seasonal thermal storage system |
-
2020
- 2020-09-16 CN CN202010973117.3A patent/CN112146296A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2098791A1 (en) * | 2008-03-05 | 2009-09-09 | Roth Werke GmbH | Device for heating water |
| US20110265972A1 (en) * | 2008-10-28 | 2011-11-03 | Trak International, Llc | Methods and equipment for geothermally exchanging energy |
| US20140123644A1 (en) * | 2012-11-02 | 2014-05-08 | Korea Institute Of Energy Research | Heat-electricity combined production system that utilizes solar energy and geothermal heat |
| CN105258397A (en) * | 2015-11-11 | 2016-01-20 | 阜新宏利新能源供热有限公司 | Monitoring system for stable operation of solar ground source heat pump coupling system |
| CN206514380U (en) * | 2017-01-10 | 2017-09-22 | 昆明理工大学 | One kind utilizes solar energy, air energy, soil source heat pump coupling heating system |
| KR20190030844A (en) * | 2017-09-15 | 2019-03-25 | 한국에너지기술연구원 | Subterranean seasonal thermal storage system |
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Application publication date: 20201229 |