CN213450340U

CN213450340U - Integrated intelligent well control system for geothermal hot spring well

Info

Publication number: CN213450340U
Application number: CN202022647801.0U
Authority: CN
Inventors: 蒋春华
Original assignee: Chongqing Huajie Geothermal Energy Development Co ltd
Current assignee: Chongqing Huajie Geothermal Energy Development Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-15
Anticipated expiration: 2030-11-16

Abstract

The utility model provides an integrated intelligent well control system for geothermal spring wells, which comprises a distribution box, a downhole device and a well head device, wherein a touch screen is arranged on a box body of the distribution box, a PLC (programmable logic controller) connected with the touch screen is arranged in the box body, and the PLC is connected with a remote upper computer; the underground device comprises a deep well pump, wherein a temperature detector is arranged on the surface of a deep well pump body, and a high-temperature liquid level sensor is arranged above the deep well pump body; the wellhead device comprises a well seat, the upper end of the well seat is connected with a second three-way pipe through a pressure reducing valve, a first three-way pipe and a first worm gear manual butterfly valve, and a first output opening of the second three-way pipe is connected with the temperature, the oxidation-reduction potential, the PH value and the H value of the raw water of the hot spring₂S and harmful gas are detected, a third three-way pipe is connected to a second output opening through a main straight pipe, an electric butterfly valve, a flow monitor and a second worm wheel manual butterfly valve are mounted on the main straight pipe, and all instruments are electrically connected with a PLC. This application can real-time detection hot spring water and transmission signal and control the hot spring pipe network.

Description

Integrated intelligent well control system for geothermal hot spring well

Technical Field

The utility model relates to a geothermol power hot spring control technology field, concretely relates to geothermol power hot spring is integral type intelligence well control system for well.

Background

Geothermal hot springs are hot springs that use water as a medium to carry heat from the ground to the surface. Geothermal heat is natural heat energy stored in rocks, rock pores and cracks from deep parts of the crust, and the developed and utilized main body is geothermal fluid integrating heat collection, ores and water, so that the geothermal fluid is a valuable clean energy source. The hot spring is a natural outcrop of terrestrial heat and is an important geological vestige with protection, utilization and ornamental values. China is a country mainly based on medium-low temperature geothermal resources, develops and utilizes medium-low temperature geothermal hot springs to be directly used for heat supply, heating, medical bathing, travel entertainment, health maintenance and health care, modern agricultural greenhouse planting, cultivation and the like, and has remarkable effects on promoting regional economic development, improving ecological environment, improving life quality of people and the like.

The utility model discloses an inventor discovers through the research, because current hot spring well erection equipment is single equipment independent installation, does not form the complete equipment, at the practical application process, has such as the installation inconvenient, the function singleness, intelligent degree is not high and unable remote control scheduling problem. Therefore, how to innovatively develop an integrated intelligent well control system to fill the gap of the market becomes a problem to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

Be single equipment independent installation to current hot spring well erection equipment, not form a complete set of equipment, at the practical application process, have such as the installation inconvenient, the function singleness, intelligent degree is not high and the technical problem of unable remote control, the utility model provides a geothermal spring is integral type intelligence well control system for well.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the integrated intelligent well control system for the geothermal hot spring well comprises a distribution box, a downhole device and a wellhead device, wherein a touch screen is arranged on a box body of the distribution box, a PLC (programmable logic controller) electrically connected with the touch screen is arranged in the box body of the distribution box, and the PLC is connected with a remote upper computer; the underground device comprises a deep well pump arranged in underground hot spring raw water, wherein a temperature detector is arranged on the surface of a pump body of the deep well pump, and a high-temperature liquid level sensor is arranged above the deep well pump; the wellhead device comprises a well seat fixedly connected with a wellhead and convenient for flowing out of hot spring raw water, the upper end of the well seat is fixedly connected with a pressure reducing valve, the upper end of the pressure reducing valve is fixedly connected with a first three-way pipe, a first output opening of the first three-way pipe is fixedly connected with a second three-way pipe through a first worm wheel manual butterfly valve, a detection component is fixedly connected on a first output opening of the second three-way pipe, the detection component comprises a flange fixedly connected with the first output opening of the second three-way pipe, the surface of the flange is fixedly connected with a temperature probe, an ORP probe and a PH probe which are used for respectively detecting the water temperature, the oxidation-reduction potential and the PH value of the aboveground hot spring raw water, the outer parts of the temperature probe, the ORP probe and the PH probe are provided with outer covers fixedly connected with the surfaces of the flanges, the flange edge fixedly connected with mounting panel, install side by side on the mounting panel to the well on hot spring raw water H.₂H for respectively detecting S and harmful gas₂S detector and harmful gas detector, H₂The bottom of the S detector and the bottom of the harmful gas detector are both connected with a gas collecting ring, a main straight-through pipe is fixedly connected to a second output opening of the second three-way pipe, an electric butterfly valve, a flow monitor and a second worm gear manual butterfly valve are sequentially and fixedly mounted on the main straight-through pipe, an output port of the main straight-through pipe is fixedly connected with a first input opening of a third three-way pipe, and an output port of the third three-way pipe is fixedly connected with a first input opening of the third three-way pipeThe opening outputs hot spring raw water for use, the temperature detector, the high-temperature liquid level sensor, the temperature probe, the ORP probe, the PH probe and the H probe₂The S detector, the harmful gas detector, the electric butterfly valve and the flow monitor are respectively and electrically connected with the PLC.

Compared with the prior art, the integrated intelligent well control system for the geothermal hot spring well, provided by the utility model, can detect the temperature, the water pressure and the water level of underground raw water through the high-temperature liquid level sensor above the underground deep well pump, and can detect the working temperature of a pump body through the temperature detector on the surface of the deep well pump; on the other hand, the temperature probe, the ORP probe and the PH probe in the wellhead device detection assembly are used for respectively detecting the water temperature, the oxidation-reduction potential and the PH value of the aboveground hot spring raw water and the water temperature, the oxidation-reduction potential and the PH value are detected through the H probe and the ORP probe₂The S detector and the harmful gas detector respectively detect H of the well hot spring raw water₂S and harmful gas are detected on line, and the flow of the raw water of the aboveground hot spring is detected in real time by a flow monitor; then various detecting instruments transmit the detection results to the PLC, after the detection results are processed by the PLC, on one hand, the deep well pump is controlled to supply and shut off water and the electric butterfly valve is controlled to supply and shut off water to the pipe network, on the other hand, the detection results are displayed on a touch screen of the distribution box, meanwhile, the detection result signals are remotely transmitted to an existing configuration software display interface in an upper computer to be checked, and manual control can be carried out through remote configuration software, so that real-time detection, display, signal transmission and automatic control over the hot spring pipe network on the hot spring raw water related data are achieved, and the problems of remote control of water supply and shut off of the deep well pump and water supply and shut off of the pipe network are solved.

Further, the high-temperature liquid level sensor is arranged at a position 1.8-2.2 meters above the deep-well pump.

Furthermore, an auxiliary straight-through pipe is fixedly connected to a second output opening of the first three-way pipe, a third worm gear manual butterfly valve and a pressure release valve are sequentially and fixedly mounted on the auxiliary straight-through pipe, an output opening of the auxiliary straight-through pipe is fixedly connected with a bent pipe, and an output end of the bent pipe is fixedly connected with a second input opening of the third three-way pipe through a fourth worm gear manual butterfly valve.

Furthermore, the surface of the flange is fixedly connected with an expansion interface convenient for being externally connected with a radon measuring instrument, and the expansion interface is screwed with a plug.

Further, the flow monitor is an electromagnetic flow meter.

Further, the temperature detector, the high-temperature liquid level sensor, the temperature probe, the ORP probe, the PH probe and the H₂And the S detector, the harmful gas detector and the flow monitor transmit the detection result to the PLC in a 4-20mA signal transmission mode.

Drawings

Fig. 1 is the utility model provides a geothermol power intelligent well control system structure sketch map of integral type for hot spring well.

Fig. 2 is a schematic perspective view of a wellhead assembly provided by the present invention.

Fig. 3 is an enlarged schematic structural diagram of the detection assembly provided by the present invention.

In the figure, 1, a distribution box; 11. a touch screen; 12. a PLC controller; 2. a downhole device; 21. a deep well pump; 22. a temperature detector; 23. a high temperature liquid level sensor; 3. a wellhead assembly; 301. a well base; 302. a pressure reducing valve; 303. a first three-way pipe; 304. a first worm-gear manual butterfly valve; 305. a second three-way pipe; 306. a flange; 307. a temperature probe; 308. an ORP probe; 309. a PH probe; 310. a housing; 311. mounting a plate; 312. h₂S, detecting a detector; 313. a harmful gas detector; 314. a gas collecting ring; 315. a primary straight through pipe; 316. an electric butterfly valve; 317. a flow rate monitor; 318. a second worm-gear manual butterfly valve; 319. a third three-way pipe; 320. an auxiliary straight-through pipe; 321. a third worm-gear manual butterfly valve; 322. a pressure relief valve; 323. bending the pipe; 324. a fourth worm wheel manual butterfly valve; 325. a plug; 4. and (4) an upper computer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the utility model provides an integrated intelligent well control system for geothermal spring well, which comprises a distribution box 1, a downhole device 2 and a wellhead device 3, wherein a touch screen 11 is arranged on a box body of the distribution box 1, a PLC controller 12 electrically connected with the touch screen 11 is arranged in the box body of the distribution box 1, and the PLC controller 12 is connected with a remote upper computer 4; device 2 is including locating deep-well pump 21 in the former aquatic of well heat spring in pit, deep-well pump 21's pump body surface mounting has temperature detector 22, high temperature level sensor 23 is installed to deep-well pump 21's top, temperature detector 22 detects the former raw water temperature of well heat spring in pit, water pressure, water level, and this testing result is sent to the PLC controller in order to judge whether be in safe water level (about 30 ~ 50 meters on the deep-well pump) scope when deep-well pump 21 during operationThe high-temperature liquid level sensor 23 detects the working temperature of the pump body, and the detection result is sent to the PLC 12 to control the emergency shutdown of the deep-well pump 21 when the working temperature is abnormal; the wellhead device 3 comprises a well seat 301 fixedly connected with a wellhead for facilitating flowing of hot spring raw water, the upper end of the well seat 301 is fixedly connected with a pressure reducing valve 302, the pressure reducing valve 302 is used for reducing the pressure of the hot spring raw water flowing out of the upper end of the well seat 301 to 0.2MPa, the upper end of the pressure reducing valve 302 is fixedly connected with a first three-way pipe 303, a first output opening of the first three-way pipe 303 is fixedly connected with a second three-way pipe 305 through a first worm wheel manual butterfly valve 304, a first output opening of the second three-way pipe 305 is fixedly connected with a detection assembly, the detection assembly comprises a flange 306 fixedly connected (for example welded) with a first output opening of the second three-way pipe 305, the surface of the flange 306 is fixedly connected with a temperature probe 307, an ORP probe 308 and a PH probe 309 for respectively detecting the temperature of the hot spring raw water, the oxidation reduction potential and the PH value, namely the temperature probe in the detection assembly detects the temperature of the hot spring raw water on the well in real time, ORP probe 308 carries out real-time detection to aboveground hot spring raw water oxidation-reduction potential (ORP), and PH probe 309 carries out real-time detection to aboveground hot spring raw water pH value, and three testing result all transmits to showing the testing result in order to show through touch-sensitive screen 11 in PLC controller 12 to look over on the configuration software display interface of host computer 4 with testing result signal transmission, the outside of temperature probe 307, ORP probe 308 and PH probe 309 is equipped with the dustcoat 310 with flange 306 fixed surface connection, protects temperature probe 307, ORP probe 308 and PH probe 309 through this dustcoat 310, flange 306 edge fixedly connected with mounting panel 311, install side by side on the mounting panel 311 and protect aboveground hot spring raw water H₂H for respectively detecting S and harmful gas₂S detector 312 and harmful gas detector 313, namely, H₂S Detector 312 for well hot spring raw water H₂S, carrying out online detection, wherein the harmful gas detector 313 carries out online detection on the harmful gas of the raw water of the aboveground hot spring, the two detection results are transmitted into the PLC 12 to be displayed through the touch screen 11, and signals of the detection results are transmitted to the upper computer4, the configuration software displays the interface, and H₂The bottoms of the S detector 312 and the harmful gas detector 313 are both connected with a gas collecting ring 314, the gas collecting ring 314 is used for collecting gas overflowing from the well, and meanwhile, H in the gas collecting ring 314₂The S detector 312 and the harmful gas detector 313 detect the collected gas, a small hole is arranged at the top in the gas collecting ring 314, the detected gas slowly flows out through the small hole to ensure the next detection, a main straight-through pipe 315 is fixedly connected to a second output opening of the second three-way pipe 305, so that the raw water of the hot spring on the well is shunted to the detection component and the main straight-through pipe 315 through the second three-way pipe 305, an electric butterfly valve 316, a flow monitor 317 and a second worm wheel manual butterfly valve 318 are fixedly arranged on the main straight-through pipe 315 in sequence, when the raw water of the hot spring flows to the flow monitor 317 through the main straight-through pipe 315, the flow monitor 317 detects the flow of the raw water of the hot spring in real time, transmits the detection result to the PLC 12 to display the detection result through the touch screen 11, and transmits the detection result signal to a configuration software display interface of the upper computer 4 to be checked, the main pipeline is simultaneously provided with a first worm wheel manual butterfly valve 304 and a second worm wheel manual butterfly valve 318, so that equipment replacement and overhaul are facilitated, an output port of the main straight-through pipe 315 is fixedly connected with a first input opening of a third three-way pipe 319, an output opening of the third three-way pipe 319 outputs hot spring raw water for use, and the temperature detector 22, the high-temperature liquid level sensor 23, the temperature probe 307, the ORP probe 308, the PH probe 309 and the H probe are used for detecting the temperature of hot spring raw water₂The S detector 312, the harmful gas detector 313, the electric butterfly valve 316 and the flow monitor 317 are respectively electrically connected with the PLC 12 to realize signal transmission, and the temperature detector 22, the high-temperature liquid level sensor 23, the temperature probe 307, the ORP probe 308, the PH probe 309 and the H probe₂The S detector 312, the harmful gas detector 313, the electric butterfly valve 316 and the flow rate monitor 317 can be implemented by using existing instruments, that is, the specific structure and the working principle are well known to those skilled in the art, and the PLC controller 12 can be implemented by using an existing siemens 6ES72881SR400AA0PLC controller.

Compared with the prior art, the utility model provides an integral type is used to geothermol power hot spring wellThe intelligent well control system detects the water temperature, water pressure and water level of underground raw water through a high-temperature liquid level sensor above a deep-well pump of an underground device on the one hand, and detects the working temperature of a pump body through a temperature detector on the surface of the deep-well pump on the other hand; on the other hand, the temperature probe, the ORP probe and the PH probe in the wellhead device detection assembly are used for respectively detecting the water temperature, the oxidation-reduction potential and the PH value of the aboveground hot spring raw water and the water temperature, the oxidation-reduction potential and the PH value are detected through the H probe and the ORP probe₂The S detector and the harmful gas detector respectively detect H of the well hot spring raw water₂S and harmful gas are detected on line, and the flow of the raw water of the aboveground hot spring is detected in real time by a flow monitor; then various detecting instruments transmit the detection results to the PLC, after the detection results are processed by the PLC, on one hand, the deep well pump is controlled to supply and shut off water and the electric butterfly valve is controlled to supply and shut off water to the pipe network, on the other hand, the detection results are displayed on a touch screen of the distribution box, meanwhile, the detection result signals are remotely transmitted to an existing configuration software display interface in an upper computer to be checked, and manual control can be carried out through remote configuration software, so that real-time detection, display, signal transmission and automatic control over the hot spring pipe network on the hot spring raw water related data are achieved, and the problems of remote control of water supply and shut off of the deep well pump and water supply and shut off of the pipe network are solved.

In a specific embodiment, the high-temperature liquid level sensor 23 is installed at a position 1.8-2.2 meters above the deep-well pump 21, so that the water level, the water pressure and the water temperature of the hot spring raw water in the well can be detected, and the influence of the water level fluctuation on the detection result of the probe when the deep-well pump operates can be eliminated as much as possible.

As a specific embodiment, please refer to fig. 1 and 2, an auxiliary straight-through pipe 320 is fixedly connected to the second output opening of the first three-way pipe 303, a third worm-gear manual butterfly valve 321 and a pressure release valve 322 are sequentially and fixedly installed on the auxiliary straight-through pipe 320, an elbow 323 is fixedly connected to an output port of the auxiliary straight-through pipe 320, an output end of the elbow 323 is fixedly connected to the second input opening of the third three-way pipe 319 through a fourth worm-gear manual butterfly valve 324, so that an auxiliary pipeline is formed through the auxiliary straight-through pipe 320 and the elbow 323, the auxiliary pipeline is used for outputting hot spring raw water for standby when the main pipeline where the main straight-through pipe 315 is located is overhauled, and when the pressure in the main pipeline is too high, the pressure can be automatically released through the pressure release valve 322, that is to release the hot spring raw water normally output by the main pipeline, the third worm-gear manual butterfly valve 321 on the auxiliary pipeline is opened and the fourth worm-gear manual, during main line service, the first worm-gear manual butterfly valve 304 and the second worm-gear manual butterfly valve 318 are closed, while the third worm-gear manual butterfly valve 321 and the fourth worm-gear manual butterfly valve 324 are open.

As a specific embodiment, please refer to fig. 3, an expansion interface convenient for external connection of a radon measuring instrument is fixedly connected to the surface of the flange 306, and a plug 325 is screwed on the expansion interface, so that when the content of the original water radon of the hot spring on the well needs to be detected, the plug 325 is firstly unscrewed from the expansion interface and then connected with the external radon measuring instrument, which is convenient and practical. Of course, on the basis of the foregoing embodiments, those skilled in the art may also set more function expansion interfaces on the surface of the flange 306 to detect data of the aboveground hot spring raw water.

As a specific embodiment, the flow monitor 317 selects an existing electromagnetic flowmeter to detect the flow passing through the main straight-through pipe 315, so as to detect the flow of the main pipeline of the spa water in real time and upload a signal to the PLC controller 12.

As specific examples, the temperature detector 22, the high temperature liquid level sensor 23, the temperature probe 307, the ORP probe 308, the PH probe 309 and the H₂ The S detector 312, the harmful gas detector 313, and the flow rate monitor 317 transmit the detection result to the PLC controller in a 4-20mA signal transmission manner, that is, in this embodiment, the detection result is transmitted to the PLC controller in the existing 4-20mA signal transmission manner, thereby avoiding a certain error of a signal at a receiving end due to a voltage drop generated on a wire by voltage transmission, that is, effectively improving reliability and stability of a transmission signal.

As a specific example, it is obvious to those skilled in the art that the system can be applied to geothermal wells, irrigation wells, drinking wells, and other wells besides the thermal spring wells described in the present application, and these should also fall within the scope of the present invention.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The integrated intelligent well control system for the geothermal hot spring well is characterized by comprising a distribution box, a downhole device and a wellhead device, wherein a touch screen is arranged on a box body of the distribution box; the underground device comprises a deep well pump arranged in underground hot spring raw water, wherein a temperature detector is arranged on the surface of a pump body of the deep well pump, and a high-temperature liquid level sensor is arranged above the deep well pump; the wellhead device comprises a well seat fixedly connected with a wellhead and convenient for flowing out of hot spring raw water, the upper end of the well seat is fixedly connected with a pressure reducing valve, the upper end of the pressure reducing valve is fixedly connected with a first three-way pipe, a first output opening of the first three-way pipe is fixedly connected with a second three-way pipe through a first worm wheel manual butterfly valve, a detection component is fixedly connected on a first output opening of the second three-way pipe, the detection component comprises a flange fixedly connected with the first output opening of the second three-way pipe, the surface of the flange is fixedly connected with a temperature probe, an ORP probe and a PH probe which are used for respectively detecting the water temperature, the oxidation-reduction potential and the PH value of the aboveground hot spring raw water, the outer parts of the temperature probe, the ORP probe and the PH probe are provided with outer covers fixedly connected with the surfaces of the flanges, the flange edge fixedly connected with mounting panel, install side by side on the mounting panel to the well on hot spring raw water H.₂H for respectively detecting S and harmful gas₂S detector and harmful gas detector, H₂The bottom of the S detector and the bottom of the harmful gas detector are both connected with a gas collecting ring, a main straight-through pipe is fixedly connected to a second output opening of the second three-way pipe, an electric butterfly valve, a flow monitor and a second worm gear manual butterfly valve are sequentially and fixedly mounted on the main straight-through pipe, an output opening of the main straight-through pipe is fixedly connected with a first input opening of a third three-way pipe, an output opening of the third three-way pipe outputs hot spring raw water for use, and the temperature detector, the high-temperature liquid level sensor, the temperature probe, the ORP probe, the PH probe and the H probe are connected with a gas collecting ring₂The S detector, the harmful gas detector, the electric butterfly valve and the flow monitor are respectively and electrically connected with the PLC.

2. The integrated intelligent well control system for the geothermal hot spring well is characterized in that the high-temperature liquid level sensor is installed at a position 1.8-2.2 meters above the deep well pump.

3. The integrated intelligent well control system for the geothermal hot spring well is characterized in that an auxiliary straight-through pipe is fixedly connected to a second output opening of the first three-way pipe, a third worm gear manual butterfly valve and a pressure release valve are sequentially and fixedly mounted on the auxiliary straight-through pipe, an output opening of the auxiliary straight-through pipe is fixedly connected with an elbow pipe, and an output end of the elbow pipe is fixedly connected with a second input opening of the third three-way pipe through a fourth worm gear manual butterfly valve.

4. The integrated intelligent well control system for the geothermal hot spring well is characterized in that an expansion interface convenient for being externally connected with a radon measuring instrument is fixedly connected to the surface of the flange, and a plug is screwed on the expansion interface.

5. The system of claim 1, wherein the flow monitor is an electromagnetic flow meter.

6. The integrated intelligent well control system for geothermal hot spring well according to claim 1, wherein the system comprises a plurality of well control unitsIs characterized in that the temperature detector, the high-temperature liquid level sensor, the temperature probe, the ORP probe, the PH probe and the H are arranged₂And the S detector, the harmful gas detector and the flow monitor transmit the detection result to the PLC in a 4-20mA signal transmission mode.