A geothermal hot spring water on-line scale removal temperature regulating intelligent control device

The online descaling and temperature regulation intelligent control device for geothermal hot spring water has achieved intelligent control of online descaling and temperature regulation, solving the engineering application problems of geothermal hot spring water quality characteristics and application scenarios, reducing energy consumption and water waste, adapting to the installation requirements of underground machine rooms, and providing remote unattended monitoring.

CN119080272BActive Publication Date: 2026-04-10CHONGQING QINGQUANNENG APPLIED TECH RES INST CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The problem of scale formation during the development and transportation of geothermal hot spring water is that traditional chemical dosing methods pollute the water quality and are not suitable for hot spring bathing needs. Traditional cooling methods are energy-intensive and waste water resources. There is a lack of intelligent large-scale engineering application equipment.

Method used

The system employs an online descaling and temperature control device using geothermal hot spring water, which includes a raw water control pipeline, a large-capacity physicochemical liquid mixing equipment, a steam-water mixing and condensation temperature control energy-saving vacuum equipment, a negative pressure online scale collection and discharge reaction water tank, and an intelligent control operation platform. It adjusts the evaporation rate of the incoming water through a negative pressure evaporation method to achieve online descaling and temperature control.

Benefits of technology

It realizes online descaling and temperature regulation intelligent control of geothermal hot spring water, solves the engineering application problems of geothermal hot spring water quality characteristics and application scenarios, reduces energy consumption and water waste, adapts to the installation requirements of underground machine rooms, and provides remote unattended monitoring.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119080272B_ABST
    Figure CN119080272B_ABST
Patent Text Reader

Abstract

The present application provides a kind of geothermal hot spring water on-line scale removal temperature control intelligent control device, including raw water control pipeline, physicochemical liquid large capacity deployment equipment, physicochemical nature adjusting equipment, steam-water mixing condensation temperature control energy-saving vacuum equipment, negative pressure on-line scale collection and scale removal reaction water tank, negative pressure clear liquid buffer water tank, clear liquid conveying pipeline and intelligent control operation platform, physicochemical liquid large capacity deployment equipment and physicochemical nature adjusting equipment are sequentially connected with raw water control pipeline, the outlet of raw water control pipeline is connected with the inlet of water distribution pipeline on the top of negative pressure on-line scale collection and scale removal reaction water tank, the condenser air inlet pipeline of steam-water mixing condensation temperature control energy-saving vacuum equipment is connected with the exhaust pipe of negative pressure on-line scale collection and scale removal reaction water tank, the outlet of negative pressure on-line scale collection and scale removal reaction water tank is sequentially connected with negative pressure clear liquid buffer water tank and clear liquid conveying pipeline, and intelligent control operation platform carries out intelligent control to device.The present application carries out on-line physicochemical combination scale removal, temperature control and intelligent control from geothermal hot spring water source, and can meet large-scale engineering application.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of geothermal water resource development and utilization, and particularly relates to an online scale removal and temperature adjustment intelligent control device for geothermal hot spring water. BACKGROUND

[0002] Geothermal hot spring water resource belongs to deep underground thermal mineral water, which is rich in calcium, magnesium and other easily scaling mineral ions. In the resource development and transportation process, inorganic calcium scale is easily generated due to changes in temperature and ion concentration, causing corrosion and scaling of geothermal hot spring transportation pipelines, equipment and water storage containers, and affecting the development and utilization of geothermal hot spring water resources. At the same time, geothermal hot spring water usually has a high outlet temperature, and the water temperature for hot spring bathing is relatively high. The traditional cooling method is to add normal temperature tap water for mixing and cooling, which consumes a large amount of tap water, increases the cost and wastes water resources. Another cooling method is to use a cooling tower to cool through air convection, which requires a complete set of cooling and heat exchange system equipment, has high equipment investment and high energy consumption, and also restricts the development and operation of geothermal hot spring projects.

[0003] The present application relates to the technical field of geothermal water resource development and utilization, and particularly relates to an online scale removal and temperature adjustment intelligent control device for geothermal hot spring water. SUMMARY

[0004] In view of the above technical problems, the present application adopts the following technical scheme:

[0005] In order to solve the above technical problems, the present application adopts the following technical scheme:

[0006] An online scale removal and temperature adjustment intelligent control device for geothermal hot spring water, comprising a raw water control pipeline, a large-capacity physicochemical liquid preparation device, a physicochemical adjustment device, a steam-water mixed condensation temperature adjustment energy-saving vacuum device, a negative pressure online scale collection and removal reaction water tank, a negative pressure clear liquid buffer water tank, a clear liquid delivery pipeline and an intelligent control operation platform.

[0007] The raw water control pipeline is used for regulating the raw water inflow outside the device and adding the physical and chemical liquid mixture, the main control valve and the bypass control valve are arranged in parallel on the raw water control pipeline, and the flanges on the raw water control pipeline at the rear ends of the main control valve and the bypass control valve are connected with the flow mixer through bolts;

[0008] The physical and chemical liquid large-capacity preparation device is connected with the physical and chemical adjusting device and is used for automatically preparing liquid for the physical and chemical adjusting device through high gravity flow, the physical and chemical liquid large-capacity preparation device comprises a large preparation tank arranged on the top of the negative pressure online scale-removing reaction water tank and an automatic material lifting machine, and the large preparation tank is used for automatically preparing the physical and chemical raw material sent by the automatic material lifting machine into the physical and chemical liquid;

[0009] The physical and chemical adjusting device is used for adding the physical and chemical liquid to the raw water control pipeline, the physical and chemical adjusting device comprises a liquid preparation barrel and a liquid preparation pump, the liquid preparation barrel is connected with the large preparation tank, the inlet of the liquid preparation pump is connected with the liquid preparation barrel, and the outlet of the liquid preparation pump is connected with the flow mixer on the raw water control pipeline through a liquid preparation pipeline;

[0010] The steam-water mixed condensation temperature regulating energy-saving vacuum device is used for manufacturing and maintaining the vacuum of the negative pressure online scale-removing reaction water tank and the negative pressure liquid storage water tank in the device, low-consumption condensation pumping the water body evaporation mixed water vapor of the negative pressure online scale-removing reaction water tank and the negative pressure liquid storage water tank, adjusting the raw water temperature difference of the negative pressure online scale-removing reaction water tank and the negative pressure liquid storage water tank by adjusting the vacuum degree and the pumping amount, realizing the low-consumption pumping vacuum maintenance of the large-capacity steam-water mixture, and adjusting the water evaporation amount by using the negative pressure evaporation method to realize the temperature regulating function; the steam-water mixed condensation temperature regulating energy-saving vacuum device comprises a condenser, a unpowered gas-liquid separator, a high-position liquid sealing tank and a vacuum unit, the condenser and the unpowered gas-liquid separator are connected through a gas-liquid pipeline, the gas inlet pipeline of the condenser is threadedly connected with the exhaust pipe of the negative pressure online scale-removing reaction water tank, a pressure sensor is arranged on the gas inlet pipeline, the condenser and the unpowered gas-liquid separator are fixedly connected with the high-position liquid sealing tank, the liquid outlet pipe of the unpowered gas-liquid separator is inserted below the liquid surface of the high-position liquid sealing tank, the exhaust port of the unpowered gas-liquid separator is connected with the flange of the vacuum unit through a pipeline, a pressure regulating valve is matched and arranged on the gas pumping port pipeline in the vacuum pump of the vacuum unit, and the vacuum unit is connected with an exhaust pipe for discharging non-condensed steam;

[0011] The negative pressure online dirt collection and discharge reaction water tank is used for maintaining a negative pressure condition, maintaining a continuous physicochemical reaction continuous water inlet and outlet super large water storage space, collecting dirt and sediment, automatically discharging dirt and online cleaning, realizing online dirt collection and discharge required by dirt accumulation generated by raw water physicochemical reaction, and being suitable for installation of a geothermal hot spring basement machine room; the negative pressure online dirt collection and discharge reaction water tank comprises a first negative pressure resistant heat preservation water tank body, the first negative pressure resistant heat preservation water tank body adopts a modularized combined structure, the first negative pressure resistant heat preservation water tank body is internally formed by welding of densely distributed profile skeletons, a plurality of three-cusp dirt collection grooves are arranged on the densely distributed profile skeletons in the first negative pressure resistant heat preservation water tank body, a water distribution pipeline for supplying water to the three-cusp dirt collection grooves is arranged on the top of the three-cusp dirt collection grooves, and an inlet of the water distribution pipeline is connected with an outlet of the raw water control pipeline.

[0012] The negative pressure clear liquid buffer water tank is used for maintaining a deep negative pressure physicochemical reaction condition, compensating dirt removal effect of the negative pressure online dirt collection and discharge reaction water tank, secondary sedimentation and dirt collection, and maintaining a continuous water inlet and outlet super large water storage space; the negative pressure clear liquid buffer water tank comprises a second negative pressure resistant heat preservation water tank body, a water inlet pipe for taking clear liquid connected with the negative pressure online dirt collection and discharge reaction water tank is arranged on the second negative pressure resistant heat preservation water tank body, and a high-position liquid taking drainage valve and a low-position dirt discharge valve are further arranged on the second negative pressure resistant heat preservation water tank body.

[0013] The clear liquid conveying pipeline is connected with the high-position liquid taking drainage valve and the low-position dirt discharge valve.

[0014] The intelligent control operation platform comprises an intelligent controller and a transmission module, the intelligent controller is used for providing a control system operation platform, the intelligent controller is connected with each electrical element and instrument device in the device, and online dirt removal and temperature intelligent operation of the device are realized; the transmission module is electrically connected with the intelligent controller, and the transmission module is further interconnected to an existing geothermal hot spring comprehensive control platform, and remote intelligent control is realized.

[0015] Further, the main road automatic control valve and the bypass automatic control valve are connected on the raw water control pipeline through flange bolts.

[0016] Further, the large-scale dispensing tank sends the prepared physicochemical liquid to the liquid dispensing barrel through a liquid dispensing pipeline, and a liquid dispensing adjusting valve is arranged on the liquid dispensing pipeline near the large-scale dispensing tank.

[0017] Further, the physicochemical adjusting equipment comprises two liquid dispensing pumps arranged in parallel.

[0018] Further, the steam-water mixed condensation temperature adjusting energy-saving vacuum equipment comprises two vacuum units arranged in parallel, and a pressure regulating valve is arranged on a vacuum pump air suction port pipeline of each vacuum unit.

[0019] Further, the three-wedge-shaped dirt collecting tank comprises a left side dirt guide plate, a front dirt guide overflow plate and a right side dirt guide plate, the side edges of the left side dirt guide plate, the front dirt guide overflow plate and the right side dirt guide plate are sequentially welded, the other side edges of the left side dirt guide plate and the right side dirt guide plate are welded with the inner wall of the first negative pressure resistant heat preservation water tank body, and the bottom edges of the left side dirt guide plate, the front dirt guide overflow plate and the right side dirt guide plate are welded with the bottom plate of the first negative pressure resistant heat preservation water tank body.

[0020] Further, a plurality of pressure reduction overflow holes are formed in the front dirt guide overflow plate, and a maintenance access door is separately arranged and hinged.

[0021] Further, the second negative pressure resistant heat preservation water tank body is provided with three water inlet pipes of different elevations connected with the first negative pressure resistant heat preservation water tank body for layered taking of clear liquid.

[0022] Further, the device further comprises at least two groups of dirt removal pump stations for timed and periodic online intelligent dirt removal of the negative pressure online dirt collecting and removing reaction water tank, each group of the dirt removal pump stations is provided with two parallel dirt removal pumps, one standby and one in use, the dirt suction port of the dirt removal pump is connected with the dirt removal pipeline flange of the negative pressure online dirt collecting and removing reaction water tank through bolt connection, one end of the dirt removal pipeline away from the dirt suction port of the dirt removal pump extends into the dirt accumulation area at the bottom of the three-wedge-shaped dirt collecting tank, and the dirt discharge port of the dirt removal pump discharges dirt to the ground designated dirt collecting tank.

[0023] Further, the device further comprises a flushing pump station for flushing a plurality of three-wedge-shaped dirt collecting tanks during the low liquid level period and the periodic cleaning period of the negative pressure online dirt collecting and removing reaction water tank, the flushing pump station comprises two parallel flushing pumps, the inlet of the flushing pump is connected with the flushing water outlet pipe flange of the negative pressure online dirt collecting and removing reaction water tank through bolt connection, the inlet of the flushing water outlet pipe is connected with the first negative pressure resistant heat preservation water tank body, the outlet of the flushing pump is connected with the flushing water distribution pipe flange of the negative pressure online dirt collecting and removing reaction water tank through bolt connection, and a plurality of spray heads located at the top of the three-wedge-shaped dirt collecting tank are connected to the flushing water distribution pipe.

[0024] Compared with the prior art, the geothermal hot spring water on-line descaling temperature control device provided by the present application has the following advantages: (1) the present application carries out on-line physicochemical combined descaling, temperature control and intelligent control from the source of geothermal hot spring water, solves the problems of lack of geothermal hot spring water engineering descaling device application in the industry project, large water volume on-line continuous descaling and descaling technology, large capacity water vapor mixed condensation temperature control vacuum energy saving technology, and multi-parameter multi-point multi-device intelligent control operation, thereby completely solving the technical deficiencies and omissions that have plagued the current utilization of geothermal hot spring industry resources, and making technical innovation no longer stay at the theoretical and laboratory stage; (2) the present application is the first engineering application type system descaling temperature control device for geothermal hot spring industry, which will be applied in Yunnan hot spring project demonstration, solving the problem of lack of geothermal hot spring water physicochemical descaling temperature control device in the industry; (3) the present application can be remotely monitored and operated without manual operation, solving the problem of underground machine room operation and maintenance monitoring of geothermal hot spring water on-line descaling temperature control device; (4) the present application innovatively adopts a negative pressure on-line scale accumulation and descaling reaction water tank, and a plurality of three-wedge sewage collecting groove structures are arranged in the reaction water tank, and an on-line sewage pump station and a flushing pump station are configured, solving the problems of scale accumulation and long-period operation maintenance, and adapting to the modular water tank equipment in the underground machine room; (5) the application of the device of the present application provides an on-line continuous descaling temperature control system solution for geothermal hot spring industry water and heat resource utilization, provides an intelligent maintenance-free intelligent control device product for engineering project operation and maintenance party, and breaks through the technical barrier of high-hardness geothermal hot spring water resource utilization. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic diagram of the geothermal hot spring water on-line descaling temperature control device provided by the present application.

[0026] Figure 2 is a top view structural schematic diagram of Figure 1 .

[0027] Figure 3 is a left view structural schematic diagram of Figure 1 .

[0028] Figure 4 is a connection structure schematic diagram of the raw water control pipeline, physicochemical liquid large capacity deployment equipment and physicochemical adjusting equipment in the device provided by the present application.

[0029] Figure 5 is a structural schematic diagram of the steam-water mixed condensation temperature control energy saving vacuum equipment in the device provided by the present application.

[0030] Figure 6 is a sectional view structural schematic diagram of Figure 5 .

[0031] Figure 7It is the structure schematic diagram of negative pressure online dirt collecting and discharging reaction water tank in the device provided by the application.

[0032] Figure 8 It is the top structure schematic diagram of Figure 7 .

[0033] Figure 9 It is the structure schematic diagram of two adjacent three-wedge-shaped dirt collecting tanks in the device provided by the application.

[0034] Figure 10 It is the top structure schematic diagram of Figure 9 .

[0035] Figure 11 It is the working flow schematic diagram of the device provided by the application.

[0036] In the figure, 1, raw water control pipeline; 11, main road automatic control valve; 12, bypass automatic control valve; 13, mixed flow device; 2, large capacity physicochemical liquid preparation equipment; 21, large preparation tank; 22, automatic material lifting machine; 23, liquid preparation pipeline; 24, liquid preparation regulating valve; 3, physicochemical property regulating equipment; 31, liquid preparation barrel; 32, liquid preparation pump; 33, liquid preparation pipeline; 4, steam-water mixed condensation temperature regulating energy-saving vacuum equipment; 41, condenser; 411, air inlet pipeline; 412, pressure sensor; 42, unpowered gas-liquid separator; 421, liquid discharge pipe; 422, pipeline; 43, high-level liquid seal tank; 44, vacuum unit; 45, gas-liquid pipeline; 46, pressure regulating valve; 47, exhaust pipe; 5, negative pressure online dirt collecting and discharging reaction water tank; 50, exhaust pipe; 51, first negative pressure resistant heat preservation water tank body; 52, three-wedge-shaped dirt collecting tank; 521, left side dirt guide plate; 522, front dirt guide overflow plate; 523, right side dirt guide plate; 524, pressure reduction overflow hole; 525, maintenance access door; 53, water distribution pipeline; 54, dirt discharge pipeline; 55, shower water discharge pipe; 56, shower water distribution pipe; 57, shower nozzle; 6, negative pressure clear liquid buffer water tank; 61, second negative pressure resistant heat preservation water tank body; 62, water inlet pipe; 63, high-level liquid taking and discharging valve; 64, low-level dirt discharging valve; 7, clear liquid conveying pipeline; 8, intelligent control operation platform; 9, dirt discharging pump station; 91, dirt discharging pump; 10, shower pump station; 101, shower pump. DETAILED DESCRIPTION

[0037] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application is further described below in combination with specific drawings.

[0038] In the description of the present application, it is to be understood by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does 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 cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0039] In the description of the present application, it is to be understood that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] Please refer to Figures 1 to 10 The present application provides an online scale removal and temperature control intelligent control device for geothermal hot spring water, which comprises a raw water control pipeline 1, a large-capacity physicochemical liquid dispensing device 2, a physicochemical adjusting device 3, a steam-water mixed condensation temperature control energy-saving vacuum device 4, a negative pressure online scale collection and removal reaction water tank 5, a negative pressure clear liquid buffer water tank 6, a clear liquid conveying pipeline 7 and an intelligent control operation platform 8.

[0041] The raw water control pipeline 1 is used to regulate the amount of raw water entering the device and the addition of physicochemical liquid mixture, and the raw water control pipeline 1 is provided with a main control valve 11 and a bypass control valve 12 in parallel, and a flange between the main control valve 11 and the bypass control valve 12 is bolted with a flow mixer 13;

[0042] The physicochemical liquid large-capacity dispensing device 2 is connected with the physicochemical adjusting device 3 for automatically dispensing liquid to the physicochemical adjusting device 3 by high gravity flow, and the physicochemical liquid large-capacity dispensing device 2 comprises a large dispensing tank 21 arranged on the top of the negative pressure online scale collection and removal reaction water tank 5 and an automatic material lifting machine 22, the large dispensing tank 21 is used to automatically dispense the physicochemical raw materials sent by the automatic material lifting machine 22 into physicochemical liquid, and then the dispensed physicochemical liquid is flowed to the physicochemical adjusting device 3 by high gravity flow;

[0043] The physicochemical adjusting device 3 is used for adding physicochemical liquid to the raw water control pipeline 1, and comprises a liquid preparation barrel 31 and a liquid preparation pump 32. The liquid preparation barrel 31 is connected with the large preparation tank 21 to receive the prepared physicochemical liquid. The inlet of the liquid preparation pump 32 is connected with the liquid preparation barrel 31, and the outlet of the liquid preparation pump 32 is connected with the flow mixer 13 on the raw water control pipeline 1 through a liquid preparation pipeline 33, so that the physicochemical liquid can be injected into the flow mixer 13 to mix with the raw water according to the set amount through the liquid preparation pump 32.

[0044] The steam-water mixed condensation temperature adjusting energy-saving vacuum device 4 is used for manufacturing and maintaining the vacuum of the negative pressure online dirt collecting and discharging reaction water tank 5 and the negative pressure clean liquid buffer water tank 6 in the device, low-consumption condensation suction of the water body in the negative pressure online dirt collecting and discharging reaction water tank 5 and the negative pressure clean liquid buffer water tank 6, adjustment of the raw water temperature difference of the negative pressure online dirt collecting and discharging reaction water tank 5 and the negative pressure clean liquid buffer water tank 6 through adjustment of the vacuum degree and the suction amount, realization of low-consumption suction and discharge vacuum maintenance of the large-capacity steam-water mixture, solution of the problem of low-consumption suction and discharge vacuum maintenance of the large-capacity steam-water mixture, and adjustment of the water evaporation amount through the negative pressure evaporation method to realize the temperature adjusting function. The steam-water mixed condensation temperature adjusting energy-saving vacuum device 4 comprises a condenser 41, a non-powered gas-liquid separator 42, a high-position liquid sealing groove 43, and a vacuum unit 44. The condenser 41 and the non-powered gas-liquid separator 42 are connected through a gas-liquid pipeline 45. The gas inlet pipeline 411 of the condenser 41 is threadedly connected with the exhaust pipe 50 of the negative pressure online dirt collecting and discharging reaction water tank 5. The pressure sensor 412 is arranged on the gas inlet pipeline 411. The condenser 41 and the non-powered gas-liquid separator 42 are fixedly connected with the high-position liquid sealing groove 43. The liquid outlet pipeline 421 of the non-powered gas-liquid separator 42 is inserted below the liquid surface of the high-position liquid sealing groove 43. The exhaust port of the non-powered gas-liquid separator 42 is flange-connected with the vacuum unit 44 through the pipeline 422. The pressure regulating valve 46 (valve matched with the vacuum pump) is arranged on the pipeline of the vacuum pump suction port in the vacuum unit 44. The vacuum unit 44 is connected with the exhaust pipe 47 for discharging non-condensed steam, that is, the non-condensed steam is discharged through the exhaust pipe 47 on the vacuum unit 44.

[0045] The negative pressure online dirt collecting and discharging reaction water tank 5 is used for maintaining negative pressure working condition, maintaining continuous physicochemical reaction continuous water inlet and outlet super large water storage space, collecting dirt and sediment, automatic pollution discharge and online cleaning, realizing online dirt collecting and discharging required by dirt accumulation generated by raw water physicochemical reaction, and adapting to geothermal hot spring basement machine room installation, that is, solving the problems of online dirt collecting and discharging required by dirt accumulation generated by raw water physicochemical reaction, and solving the problem of traditional small height of dirt collecting water tank which cannot adapt to geothermal hot spring basement machine room installation; the negative pressure online dirt collecting and discharging reaction water tank 5 comprises a first negative pressure resistant heat preservation water tank body 51, the first negative pressure resistant heat preservation water tank body 51 adopts a modular combined structure, the first negative pressure resistant heat preservation water tank body 51 is internally densely welded with a profile skeleton, a plurality of three-wedge dirt collecting grooves 52 are welded and arranged on the densely profile skeleton in the first negative pressure resistant heat preservation water tank body 51, a water distribution pipeline 53 for supplying water to the three-wedge dirt collecting grooves 52 is arranged at the top of the three-wedge dirt collecting grooves 52, and the inlet of the water distribution pipeline 53 is connected with the outlet of the raw water control pipeline 1, so that the mixed raw water and physicochemical liquid (for example, the physicochemical liquid can be alkaline liquid, so as to add alkali to adjust pH value without introducing elements damaging hot spring water quality, and cooperating with negative pressure vacuum environment, dirt is crystallized and separated from hot spring water, so that excess dirt is removed) can be sent into the three-wedge dirt collecting grooves 52 to maintain continuous physicochemical reaction and collect dirt;

[0046] The negative pressure clear liquid buffer water tank 6 is used for maintaining deep negative pressure physicochemical reaction working condition, compensating dirt removal effect of the negative pressure online dirt collecting and discharging reaction water tank 5, secondary sediment dirt collecting, and maintaining continuous water inlet and outlet super large water storage space; the negative pressure clear liquid buffer water tank 6 comprises a second negative pressure resistant heat preservation water tank body 61, the second negative pressure resistant heat preservation water tank body 61 is similar in structure to the first negative pressure resistant heat preservation water tank body 51, and both adopt a modular combined welding structure, the second negative pressure resistant heat preservation water tank body 61 is provided with a water inlet pipe 62 connected with the first negative pressure resistant heat preservation water tank body 51 to take clear liquid, that is, the clear liquid in the first negative pressure resistant heat preservation water tank body 51 can be sent to the second negative pressure resistant heat preservation water tank body 61 through the water inlet pipe 62 to perform secondary sediment dirt collecting, and the second negative pressure resistant heat preservation water tank body 61 is further provided with a high-position liquid taking drainage valve 63 and a low-position pollution discharge valve 64;

[0047] The clear liquid conveying pipeline 7 is connected with the high-position liquid taking drainage valve 63 and the low-position pollution discharge valve 64;

[0048] The intelligent control operation platform 8 comprises an intelligent controller and a transmission module. The intelligent controller is used to provide a control system operation platform, and is connected with each electrical element and temperature pressure liquid level metering device in the device to realize online descaling and intelligent temperature adjustment operation of the device. The transmission module is electrically connected with the intelligent controller, and is further interconnected with an existing geothermal hot spring comprehensive control cloud platform to realize remote intelligent control. Specifically, the intelligent controller can be implemented by using an existing PLC or other control device, and the transmission module can be implemented by using an existing 5G communication network module.

[0049] As a specific embodiment, the main road automatic control valve 11 and the bypass automatic control valve 12 are connected on the raw water control pipeline 1 by flange bolts, so that stable and reliable connection can be provided, and the connection is not easy to loosen or fall off.

[0050] As a specific embodiment, please refer to Figure 4 As shown in the figure, the large-scale preparation tank 21 sends the prepared physicochemical liquid to the preparation barrel 31 through the preparation pipeline 23. The preparation adjusting valve 24 is arranged on the preparation pipeline 23 near the large-scale preparation tank 21. Thus, the physicochemical adjusting device 3 automatically prepares liquid in the preparation barrel 31 through the preparation pipeline 23 and the preparation adjusting valve 24.

[0051] As a specific embodiment, please refer to Figure 4 As shown in the figure, the physicochemical adjusting device 3 comprises two preparation pumps 32 arranged in parallel. Thus, the physicochemical liquid can be extracted from the preparation barrel 31 through any one of the preparation pumps 32.

[0052] As a specific embodiment, please refer to Figure 5 As shown in the figure, the steam-water mixed condensation temperature adjustment energy-saving vacuum device 4 comprises two vacuum units 44 arranged in parallel. The pressure regulating valve 46 is arranged on the vacuum pump suction port pipeline in each of the vacuum units 44. Thus, by adjusting the pressure regulating valve 46 arranged on the vacuum pump suction port pipeline in any one of the vacuum units 44, the initial vacuum can be established for the negative pressure online scale removal reaction water tank 5 and the negative pressure clear liquid buffer water tank 6.

[0053] As a specific embodiment, please refer to Figure 7 , Figure 9 and Figure 10As shown, the three-wedge-shaped sump 52 includes a left side pollution guide plate 521, a front pollution guide overflow plate 522, and a right side pollution guide plate 523, the side edges of which are sequentially welded, the other side edges of the left side pollution guide plate 521 and the right side pollution guide plate 523 are welded with the inner wall of the first negative pressure resistant heat preservation water tank body 51, that is, the other side edges of the left side pollution guide plate 521 and the right side pollution guide plate 523 are directly welded on the inner wall of the first negative pressure resistant heat preservation water tank body 51, the bottom edges of the left side pollution guide plate 521, the front pollution guide overflow plate 522, and the right side pollution guide plate 523 are respectively welded with the bottom plate of the first negative pressure resistant heat preservation water tank body 51, and the top is not welded and sealed, which needs to reserve a negative pressure space and an overflow channel. Specifically, an upper serrated clear liquid overflow notch is arranged at the top of the front pollution guide overflow plate 522, which is used for separating the supernatant overflow to the clear liquid area of the first negative pressure resistant heat preservation water tank body 51. The three-wedge-shaped sump 52 structure of the embodiment can provide a set time of cache storage discharge space, flexibly and evenly distribute and receive system large flow water, effectively and evenly react and precipitate scale of geothermal hot spring water, can stratify and collect scale and precipitate, solve the difficulty of continuous online reaction and scale collection and removal, can preliminarily establish a relatively independent reaction isolation space in the first negative pressure resistant heat preservation water tank body 51, realize the function of continuous reaction and separation of clear liquid, and make the subsequent scale liquid separation more thorough.

[0054] As a specific example, please refer to Figure 9 As shown, a plurality of pressure relief overflow holes 524 are arranged on the front pollution guide overflow plate 522, and a maintenance access door 525 is separately arranged and hinged. Thus, the internal and external water pressure difference under the different liquid level difference in the three-wedge-shaped sump 52 during the start and stop of the device and the water taking process can be eliminated through the pressure relief overflow holes 524, so as to prevent the deformation or damage of the pollution guide plates of the three-wedge-shaped sump 52 due to pressure difference. The maintenance access door 525 can realize the personnel access in and out of the tank body for regular pollution cleaning, and improve the maintainability.

[0055] As a specific example, please refer to Figure 3 As shown, the second negative pressure resistant heat preservation water tank body 61 is provided with three different elevation water inlet pipes 62 connected with the first negative pressure resistant heat preservation water tank body 51 for stratified clear liquid taking, that is, three different elevation water inlet pipes 62 are arranged on the second negative pressure resistant heat preservation water tank body 61, and the three different elevation water inlet pipes 62 can realize stratified extraction of the clear liquid precipitated in the first negative pressure resistant heat preservation water tank body 51.

[0056] As a specific example, please refer to Figure 1 , Figure 2 , Figure 7 and Figure 8As shown, the device further comprises at least two groups of blowdown pump stations 9 for timed and periodic online intelligent blowdown of the negative pressure online scale collection and blowdown reaction water tank 5 to solve the problem that scale accumulation in the reaction water tank cannot be continuously operated for a long period. Each group of the blowdown pump stations 9 is provided with two blowdown pumps 91 in parallel, one standby and one in use. The blowdown pump 91 is connected to the blowdown pipeline 54 of the negative pressure online scale collection and blowdown reaction water tank 5 through flange bolt connection. The end of the blowdown pipeline 54 away from the suction port of the blowdown pump extends into the bottom scale accumulation area of the three-wedge scale collection tank 52, so as to directly suck the accumulated scale. The blowdown port of the blowdown pump 91 blows down to the ground designated scale collection tank. Thus, under the intelligent control of the intelligent controller, the blowdown pump stations 9 in this embodiment can realize timed automatic blowdown.

[0057] As a specific embodiment, please refer to Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, the device further comprises a flushing pump station 10 for flushing a plurality of three-wedge scale collection tanks 52 during the low liquid level period and the periodic cleaning period of the negative pressure online scale collection and blowdown reaction water tank 5 to solve the problem that the three-wedge scale collection tank 52 is difficult to clean due to scale accumulation. The flushing pump station 10 comprises two flushing pumps 101 arranged in parallel. The inlet of the flushing pump 101 is connected to the flushing water outlet pipe 55 of the negative pressure online scale collection and blowdown reaction water tank 5 through flange bolt connection. The inlet of the flushing water outlet pipe 55 is connected to the first negative pressure resistant heat preservation tank body 51 to take clean liquid (outside the three-wedge scale collection tank 52) in the first negative pressure resistant heat preservation tank body 51 for flushing. The outlet of the flushing pump 101 is connected to the flushing water distribution pipe 56 of the negative pressure online scale collection and blowdown reaction water tank 5 through flange bolt connection. A plurality of spray nozzles 57 located at the top of the three-wedge scale collection tank 52 are connected to the flushing water distribution pipe 56. Thus, under the driving of the flushing pump 101, the clean liquid in the first negative pressure resistant heat preservation tank body 51 can be sent to the spray nozzles 57 at the end to realize flushing. Therefore, under the intelligent control of the intelligent controller, the flushing pump station 10 in this embodiment can realize periodic automatic cleaning of the scale on the pollution guide plate of the three-wedge scale collection tank 52 in the negative pressure online scale collection and blowdown reaction water tank 5. Of course, the flushing water distribution pipe 56 can be extended into the negative pressure clean liquid buffer tank 6 to perform the same scale removal and cleaning.

[0058] In order to better understand the geothermal hot spring water online scale removal and temperature adjustment intelligent control device provided by the present application, the working process of the geothermal hot spring water online scale removal and temperature adjustment intelligent control device will be described below. Please refer to Figures 1 to 11 As shown, the control operation of the geothermal hot spring water online scale removal and temperature adjustment intelligent control device provided by the present application comprises the following steps:

[0059] S1, device preparation, on-site or remote receive central control or cloud platform boot signal, self-checking system power supply, equipment liquid level, water temperature and pressure, automatic valve position, monitoring instrument data feedback is normal, if no fault, self-enter the next step, if there is a fault, alarm prompt, after troubleshooting recheck no error into the next step.

[0060] S2, start the steam-water mixed condensation temperature regulation energy-saving vacuum equipment 4, first start the vacuum pump in the single vacuum unit 44, then open the pressure regulating valve 46 on the vacuum pump suction port pipeline, then adjust the vacuum pump suction port pipeline pressure regulating valve 46, and establish the initial vacuum by pumping steam from the negative pressure online scale removal reaction water tank 5 and the negative pressure clean liquid buffer water tank 6. The vacuum pump suction port pipeline pressure regulating valve 46 is adjusted and controlled, and the vacuum degree is dynamically adjusted with the pressure sensor 412 on the steam-water mixed condensation temperature regulation energy-saving vacuum equipment 4 inlet pipeline 411 and the existing water tank temperature sensor interlocking system. Finally, start the cooling fan at the top of the condenser 41.

[0061] S3, device water supply, physicochemical adjustment system starts, opens the main road automatic valve 11 on the raw water control pipeline 1, supplies water to the negative pressure online scale removal reaction water tank 5, establishes the liquid level, and the physicochemical adjustment system starts synchronously. The liquid pump 32 extracts the physicochemical liquid from the liquid preparation barrel 31, connects with the flow mixer 13 on the raw water control pipeline 1 through the liquid preparation pipeline 33, and injects the physicochemical liquid according to the set amount, to realize the continuous water inlet and physicochemical adjustment of the negative pressure online scale removal reaction water tank 5.

[0062] S4, the liquid level of the negative pressure online scale removal reaction water tank 5 and the negative pressure clean liquid buffer water tank 6 is stable. After the water supply and physicochemical adjustment system starts, water is supplied to the negative pressure online scale removal reaction water tank 5 through the water distribution pipeline 53 at the top of the negative pressure online scale removal reaction water tank 5 to establish the set liquid level. Until the liquid level of the negative pressure online scale removal reaction water tank 5 and the negative pressure clean liquid buffer water tank 6 is established to the set liquid level. At this time, the intelligent controller will interlock the total water inlet main road automatic valve 11 on the raw water control pipeline 1 to control the flow through the existing liquid level sensor in the negative pressure clean liquid buffer water tank 6. At the same time, the intelligent controller will synchronously open the subsequent existing filtration system. The clean liquid in the negative pressure clean liquid buffer water tank 6 is extracted by the clean liquid conveying pipeline 7 and sent to the subsequent filtration system for water supply. The liquid level in the two water tanks is kept relatively stable by the intelligent controller adjustment.

[0063] S5, continuous operation monitoring of each system of the device, after the condensation vacuum system, water supply system, physicochemical adjustment system and the like are normally started, the intelligent control operation platform 8 will automatically monitor the running state of each system, and automatically control the system operation condition through the automatic valve according to the instrument parameters such as point temperature, pressure, liquid level and flow. Real-time feedback of the running parameter state to the remote cloud platform realizes unattended operation.

[0064] S6, the device water supply stops, the front end raw water supply system gives a stop water supply signal, the device intelligent controller will stop the main road automatic control valve 11, the liquid preparation pump 32 of the physicochemical adjusting equipment 3, the cooling fan of the vacuum pump and the condenser 41 of the steam-water mixed condensation temperature regulating energy-saving vacuum equipment 4 and the like in turn.

[0065] S7, the device sewage pump station 9 automatically runs, after the front end water supply system, the condensation vacuum system and the physicochemical adjusting system are stopped, the device intelligent controller automatically starts the sewage pump station 9 according to the set time, the sewage pump 91 automatically sucks the accumulated dirt mixture at the bottom of the three-cusp dirt collecting groove 52 in the negative pressure online dirt collecting and discharging reaction water tank 5, and automatically stops after timed sewage.

[0066] S8, the device flushing pump station 10 automatically runs, the flushing pump station 10 is a non-timed running system equipment, which will be manually run during the internal cleaning of the negative pressure online dirt collecting and discharging reaction water tank 5 or automatically run during the low liquid level of the water tank, and flush the dirt on the dirt guide plate in the three-cusp dirt collecting groove 52.

[0067] S9, the device full system stops, after the sewage pump station 9 runs and automatically stops, the device intelligent controller automatically completes the full system stop detection, and the system equipment, instruments and control system are in standby energy-saving state.

[0068] Compared with the prior art, the geothermal hot spring water online descaling and temperature regulating intelligent control device has the following advantages: (1) the device performs online physicochemical combined descaling, temperature regulating and intelligent control from the source of geothermal hot spring water, solves the problems of lack of geothermal hot spring water engineering descaling device application in the industry, online continuous descaling and discharging of large water volume, large-capacity water vapor mixed condensation temperature regulating vacuum energy-saving technology, and multi-parameter, multi-point and multi-device intelligent control operation, thereby completely solving the technical deficiencies and omissions that have plagued the utilization status of geothermal hot spring industry resources, and making technical innovation no longer stay at the theoretical and laboratory stage; (2) the device is the first engineering application type system descaling and temperature regulating intelligent control device for the geothermal hot spring industry, which will be applied to the Yunnan hot spring project demonstration, and solves the problem of lack of geothermal hot spring water physicochemical descaling and temperature regulating intelligent control device in the industry; (3) the device can be remotely monitored and operated without manual operation, and solves the problem of underground machine room operation and maintenance monitoring of the geothermal hot spring water online descaling and temperature regulating device; (4) the device innovatively adopts a negative pressure online dirt collecting and discharging reaction water tank and multiple three-cusp dirt collecting groove structures arranged in the reaction water tank, and is provided with an online sewage pump station and a flushing pump station, thereby solving the problems of difficult long-period operation and maintenance of the device dirt accumulation and adaptation of the modular water tank equipment to the underground machine room; (5) the application of the device provides an online continuous descaling and temperature regulating system solution for geothermal hot spring industry water and heat resource utilization, provides an intelligent maintenance-free intelligent control device product for engineering project operation and maintenance parties, and breaks through the technical barrier of high-hardness geothermal hot spring water resource utilization.

[0069] Finally, it is to be explained that the above embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the purpose and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A geothermal hot spring water on-line scale removal temperature adjustment intelligent control device, characterized in that, The device comprises a raw water control pipeline, a large-capacity physicochemical liquid dispensing device, a physicochemical adjusting device, a steam-water mixed condensation temperature adjusting energy-saving vacuum device, a negative pressure online scale collection and removal reaction water tank, a negative pressure clean liquid buffer water tank, a clean liquid conveying pipeline and an intelligent control operation platform. The raw water control pipeline is used for regulating the raw water inflow and adding physicochemical liquid, and a main control valve and a bypass control valve are arranged in parallel on the raw water control pipeline. The large-capacity physicochemical liquid dispensing device is connected with the physicochemical adjusting device and used for automatically dispensing physicochemical liquid for the physicochemical adjusting device through high gravity flow. The physicochemical adjusting device is used for adding physicochemical liquid to the raw water control pipeline, and comprises a liquid dispensing barrel and a liquid dispensing pump. The steam-water mixed condensation temperature adjusting energy-saving vacuum device is used for manufacturing and maintaining the vacuum of the negative pressure online scale collection and removal reaction water tank and the negative pressure clean liquid buffer water tank, low-consumption condensation suction of water body evaporation mixed water vapor in the negative pressure online scale collection and removal reaction water tank and the negative pressure clean liquid buffer water tank, adjustment of the raw water temperature difference of the negative pressure online scale collection and removal reaction water tank and the negative pressure clean liquid buffer water tank through adjustment of the vacuum degree and the air suction amount, realization of low-consumption vacuum suction and maintenance of large-capacity steam-water mixture, and adjustment of the water evaporation amount through the negative pressure evaporation method to realize the temperature adjusting function. The steam-water mixed condensation temperature adjusting energy-saving vacuum device comprises a condenser, a non-powered gas-liquid separator, a high-position liquid sealing tank and a vacuum unit, the condenser and the non-powered gas-liquid separator are connected through a gas-liquid pipeline, the air inlet pipeline of the condenser is threadedly connected with the exhaust pipe of the negative pressure online scale collection and removal reaction water tank, a pressure sensor is arranged on the air inlet pipeline, the condenser and the non-powered gas-liquid separator are fixedly connected with the high-position liquid sealing tank, the liquid outlet pipe of the non-powered gas-liquid separator is inserted below the liquid surface of the high-position liquid sealing tank, the exhaust port of the non-powered gas-liquid separator is connected with the flange of the vacuum unit through a pipeline, a pressure regulating valve is arranged on the air suction port pipeline of the vacuum pump in the vacuum unit, and an exhaust pipe for removing non-condensed steam is connected to the vacuum unit. The negative pressure online dirt collecting and discharging reaction water tank is used for maintaining a negative pressure condition, maintaining a continuous physicochemical reaction continuous water inlet and outlet super large water storage space, collecting dirt and sediment, automatically discharging dirt and online cleaning, realizing online dirt collecting and discharging required by dirt accumulation generated by raw water physicochemical reaction, and being suitable for installation of a geothermal hot spring basement machine room. The negative pressure clean liquid buffering water tank is used for maintaining a deep negative pressure physicochemical reaction condition, compensating dirt discharging effect of the negative pressure online dirt collecting and discharging reaction water tank, secondary sediment dirt collecting, and maintaining a continuous water inlet and outlet super large water storage space. The clean liquid conveying pipeline is connected with the high-position liquid taking and discharging valve and the low-position dirt discharging valve. The intelligent control operation platform includes an intelligent controller and a transmission module.

2. The geothermal hot spring water on-line descaling temperature control device according to claim 1, characterized in that, The main road automatic control valve and the bypass automatic control valve are connected on the raw water control pipeline through flange bolts.

3. The geothermal hot spring water on-line descaling temperature control device according to claim 1, characterized in that, The large-scale dispensing tank sends the prepared physicochemical liquid to the liquid dispensing barrel through a liquid dispensing pipeline.

4. The geothermal hot spring water on-line descaling temperature control device according to claim 1, characterized in that, The physicochemical adjusting equipment includes two parallelly arranged liquid dispensing pumps.

5. The geothermal hot spring water on-line descaling temperature control device according to claim 1, characterized in that, The steam-water mixed condensation temperature adjusting energy-saving vacuum equipment includes two parallelly arranged vacuum units.

6. The geothermal hot spring water on-line descaling temperature control device according to claim 1, characterized in that, The three-cusp dirt collecting groove includes a left side dirt guide plate, a front dirt guide overflow plate and a right side dirt guide plate.

7. The geothermal hot spring water on-line descaling temperature control device according to claim 6, characterized in that, The front dirt guide overflow plate is provided with a plurality of pressure relief overflow holes and a separately arranged hinge maintenance access door.

8. The geothermal hot spring water on-line descaling temperature control device according to claim 1, characterized in that, The second negative pressure heat preservation water tank body is provided with three different elevation water inlet pipes connected with the second negative pressure heat preservation water tank body.

9. The geothermal hot spring water on-line descaling temperature control device according to claim 1, characterized in that, The device also comprises at least two groups of blowdown pump stations for timed and periodic online intelligent blowdown of the negative pressure online dirt collection and removal reaction water tank, each group of the blowdown pump stations is provided with two blowdown pumps in parallel, one standby and one in use, the suction port of the blowdown pump is connected to the blowdown pipeline flange of the negative pressure online dirt collection and removal reaction water tank, the end of the blowdown pipeline away from the suction port of the blowdown pump extends into the dirt accumulation area at the bottom of the three-wedge dirt collection tank, and the blowdown port of the blowdown pump blows dirt to the ground designated dirt collection tank.

10. The geothermal hot spring water on-line descaling temperature control device according to claim 9, characterized in that, The device also comprises a flushing pump station for flushing the plurality of three-wedge dirt collection tanks during the low liquid level of the negative pressure online dirt collection and removal reaction water tank and the periodic cleaning period, the flushing pump station comprises two flushing pumps arranged in parallel, the inlet of the flushing pump is connected to the flushing water outlet pipe flange of the negative pressure online dirt collection and removal reaction water tank by screwing, the inlet of the flushing water outlet pipe is connected to the first negative pressure resistant heat preservation tank body, and the outlet of the flushing pump is connected to the flushing water distribution pipe flange of the negative pressure online dirt collection and removal reaction water tank by screwing.

Citation Information

Patent Citations

  • Geothermal well downhole pipeline medicament feeding system and descaling method

    CN110056330A

  • Weakly-alkaline pressure-reducing reinforced scale precipitation method

    CN113620478A