CN203833742U - Water treatment device in surface water recharge system - Google Patents
Water treatment device in surface water recharge system Download PDFInfo
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- CN203833742U CN203833742U CN201420259017.4U CN201420259017U CN203833742U CN 203833742 U CN203833742 U CN 203833742U CN 201420259017 U CN201420259017 U CN 201420259017U CN 203833742 U CN203833742 U CN 203833742U
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Abstract
A water treatment device in a surface water recharge system consists of a coagulating sedimentation module, a sand filtration deoxygenization and precise filtration module, a nanofiltration membrane filter module and a recharge module. A specific connecting structure is that a coagulating basin is connected with a coagulant tank and is sequentially connected with an inclined pipe sedimentation basin, a middle basin, a sand filtration tank, a deoxygenization tank, a precise filtration tank, a pretreatment tank, a recharge water tank connecting pipe and a producing water pipe. The pretreatment tank is further sequentially connected with a security filtration tank and a nanofiltration membrane device, and a nanofiltration membrane device water outlet pipe is connected onto the producing water pipe. The producing water pipe is connected with a deoxidant tank and an acid and alkaline liquor tank. By successively applying the combined water treatment device, the surface water quality meets the requirement for recharge water quality standard, and then the surface water is recharged into a target heat storage layer to achieve the purposes of intensive recharging for geothermal fields, alleviation of heat storage layer pressure downtrend, geothermal resource protection and sustainable development and utilization.
Description
Technical field
The utility model belongs to water treatment device, particularly a kind for the treatment of device for water in a kind of surface water recharge system.
Background technology
The Tianjin geothermal energy resources that are richly stored with, a large amount of exploitations of resource cause heat storage pressure obviously to decline, affect the Sustainable Development and Utilization of geothermal energy resources, the city adopts well is recharged to exploitation pattern in geothermal heating system project in recent years, utilize underground heat tail water to recharge hot reservoir, can effectively increase hot reservoir increment, alleviate heat storage pressure drop trend.But due to morning time that Tianjin geothermal resources develops, exist more to adopt the singel well system of not filling with, cause annual produced quantity still far above the amount of recharging, cause underground heat to concentrate heat in mining area to store up the trend that pressure is continuous decrease.And if these recovery well are reconstructed inverted well, be subject to the restriction of the conditions such as economy, workyard and tectonic structure, implement difficulty very large.In the case, explore well is recharged outside new recharge method, that improves that underground heat concentrates mining area recharges increment, has important practical significance.For example, in the abundant area of surface water resources, surface water can be carried out to science processing, become the water source that meets geothermal reinjection requirement, then concentrate and recharge, thereby increase the amount of recharging of region geothermal fluid, concentrate the hot reservoir of mining area to play effective alimentation to geothermal field.
Ground thermal recovery is filled with well is generally with layer and adopts fill system, utilizes underground heat tail water after heat exchange as recharging water source at heating period, and recharge water can not exert an influence to the original water quality of hot reservoir.If adopt surface water to recharge, because surface water quality is generally poor, directly recharge and can cause groundwater pollution, need to carry out water quality pre-treatment to surface water, to reach the standard that requires of recharging water quality, can recharge.The at present domestic engineering precedent that not yet has other water sources of employing hot reservoir to be recharged to supply.The case history that has some to utilize reuse water to recharge abroad, recharge water source from Fred Hervey regeneration water factory as the waterbearing stratum in Texas, USA Pa Suo city, adopt the treatment process such as Powdered Activated Carbon, lime, sand filtration, ozone that secondary effluent is reached and recharge requirement; The pre-treating technology of the northern groundwater recharge reuse water of Adelaide, AUS comprises the techniques such as stabilization pond, Airfloat filtering pond (DAFF), chlorine disinfectant, biological carbon and phosphorous removal (BNR), but for the geothermal reinjection treatment process of concentrated water, there is no at present case history.
Utility model content.
The utility model object is to provide a kind for the treatment of device for water in a kind of surface water recharge system.Reach and utilize this device to carry out water conditioning, water after treatment is recharged in hot reservoir.System processing meet recharge water water quality standard.
The utility model particular content:
An a kind for the treatment of device for water in surface water recharge system, is characterized in that: filtered, recharged 4 modules and connect to form by coagulating sedimentation, sand filtration deoxygenation and secondary filter, nanofiltration membrane; Concrete syndeton:
Connect lift pump from lake water extraction tube; In pipeline after lift pump, connect sterilant tank and coagulation basin, coagulation basin connects coagulating agent tank; Coagulation basin connects tube settler downwards, and tube settler connects intermediate pool downwards; Under tube settler, square tube connects dirt pond, and pressure filter is connected dirt pond with spiral pump; Intermediate pool connects successively sand by working shaft downwards and considers tank, deaeration pump and precise filtering tank, and precise filtering tank connects the bottom pipeline of pretreatment pool downwards, and pretreatment pool lower side conduit connects the bottom pipe of sand worry tank and deaeration pump by backwashing pump; Pretreatment pool upper strata pipeline connects downwards and recharges pond pipe connecting and water producing pipe; Pretreatment pool bottom device for cleaning pipeline is crossed nanofiltration working shaft connection sterilant tank and is connected security personnel's hay tank with scale remover tank again, security personnel's hay tank connects nano-filtration membrane equipment by high-pressure pump again, purge tank connects nano-filtration membrane equipment by scavenging pump simultaneously, has effluent outfall on nano-filtration membrane equipment; Nano-filtration membrane equipment rising pipe is connected on water producing pipe; Water producing pipe is connected with and connects oxygen scavenger tank and sour, alkali liquid tank.
Described coagulation basin is connected with filling pond and aerobic fermentation tank, former water pot pipeline and coagulating agent tank inject from coagulation basin bottom side, coagulation basin filling pond is connected with aerobic fermentation tank labyrinth type, inside join stirring rake, the water on aerobic fermentation tank top imports tube settler, tube settler bottom connects hydrocyclone by pump, and hydrocyclone top is shore pipe, and hydrocyclone below is fine sand return line.
The pond of recharging of recharging pond pipe connecting connection is connected with oxygen scavenger tank and pH regulator tank.
The utility model beneficial effect:
A kind for the treatment of device for water in this surface water recharge system; by the successful Application of this water treatment clustered aggregates; surface water quality is reached recharge the requirement of water quality standard; then recharge the hot reservoir of object, realize geothermal field is concentrated to the object of recharging, alleviate hot reservoir pressure downtrending, protection geothermal energy resources Sustainable Development and Utilization.
Adopt a kind for the treatment of device for water in this surface water recharge system, can reach and utilize this device to carry out water conditioning, water after treatment is recharged in hot reservoir.System processing meet recharge water water quality standard.System device parameters meets environmental requirement, and water treatment effect reaches recharge water and recommends the requirement of control index.The maximum water yield of processing of this recharge water pretreatment unit can reach 190m
3/ h, water production rate 150m
3/ h, can meet the requirement of the design amount of recharging.According to the practical operation situation of test, the running cost that accounting surface water recharges is low: be 1.67 yuan/m
3.
The automation control system of this matched with devices, the items of equipment for the treatment of device for water is carried out to remote control, make operation of equipment flexible, save human cost, improve the working efficiency of system operation and the modern management level of whole water treatment equipment system simultaneously, realized science, safe and reliable production.
Brief description of the drawings
Fig. 1 recharge water treatment system device connection diagram.
Fig. 2 lake water lifting gear and coagulative precipitation tank interface chart.
Fig. 3 coagulation basin structure iron.
Fig. 4 sludge treatment equipment figure.
Fig. 5 sand filtration, deoxygenation, secondary filter apparatus interface chart.
Fig. 6 nanofiltration membrane system and device figure.
Fig. 7 recharges equipment configuration figure.
In figure: 1-lake water extraction tube; 2-lift pump; 3-sterilant tank; 4-coagulating agent tank; 5-coagulation basin; 6-tube settler; 7-dirt pond; 8-spiral pump; 9-pressure filter; 10-intermediate pool; 11-working shaft; 12-sand is considered tank; 13-deaeration pump; 14-precise filtering tank; 15-backwashing pump; 16-pretreatment pool; 17-nanofiltration working shaft; 18-sterilant tank; 19-scale remover tank; 20-security personnel hay tank; 21-high-pressure pump; 22-scavenging pump; 23-purge tank; 24-nano-filtration membrane equipment; 25-effluent outfall; 26-water producing pipe; 27-oxygen scavenger tank; 28-acid, alkali liquid tank; 29-recharge pond pipe connecting; 30-filling pond; 31-aerobic fermentation tank; 32-former water pot; 33-fine sand return line; 34-hydrocyclone; 35-shore pipe; 36-oxygen scavenger tank; 37-pH regulator tank; 38-water outlet.
Embodiment
According to the water quality characteristic of surface water and the original geothermal fluid of hot reservoir, the Tianjin of requirement according to to(for) geothermal reinjection water quality, adopt the treatment device for water that recharges of " coagulating sedimentation+sand worry+sponge iron deoxygenation+secondary filter+nanofiltration membrane is filtered " to process surface water, it is met and recharge requirement, equipment configuration as shown in Figure 1, mainly comprises coagulating sedimentation, sand filtration deoxygenation and secondary filter, nanofiltration membrane filtration, recharges 4 modules.By the successful Application of this water treatment clustered aggregates; surface water quality is reached recharge the requirement of water quality standard; then recharge the hot reservoir of object, realize geothermal field is concentrated to the object of recharging, alleviate hot reservoir pressure downtrending, protection geothermal energy resources Sustainable Development and Utilization.
The utility model embodiment
In general, surface water quality is in multiple projects such as salinity, fouling tendency, bacterial number, suspended particle number and size and dissolved oxygen, all very large with the standard difference of recharge water water quality requirement.Need to, according to the water quality characteristics of earth's surface glassware for drinking water body and geothermal reinjection water water quality requirement, select suitable water treating equipment that the various materials in surface water are progressively separated or removed, product water water quality reaches the standard of recharge water.
(1) Water quality processing system device
Shown in the detailed mode of connection Fig. 1 of the each equipment of surface water quality treatment unit.
Whole plant operation scheme is described below:
First surface water promotes with pump, in course of conveying, adds sterilant in pipeline, kills microorganism, bacterium etc. in water; Then deliver to coagulation basin, add coagulating agent at coagulation basin, and stirring at low speed, make silt in water, suspended substance, colloid and microorganism etc. generate large flco, alumen ustum, from water, separate; Enter afterwards tube settler, carry out mud-water separation, mud regularly enters sludge sump, the concentrated and pressure filter press filtration processing through sludge thickener, clear water discharge, mud outward transport landfill disposal;
Settling tank water outlet enters intermediate pool, sends into sandfiltration pot filter by working shaft, remove the impurity such as suspended substance, then remove most of dissolved oxygen in water through deaeration pump, after enter accurate filter, further remove the impurity such as suspended substance, colloid in water;
Enter to recharge pond through pretreated water section overflow, part enters topping-up pump, enters film system after supercharging, carries out membrane filtration, and product water enters and recharges pond, mixes with overflow pretreated water, and water quality reaches recharge water standard substantially.If pH and dissolved oxygen may be not up to standard, according to practical situation, can before recharging, make recharge water reach recharge water requirement index by adding a small amount of acid (alkali) liquid and oxygen scavenger, recharge water after treatment finally recharges into hot reservoir by recharging pump delivery to inverted well.
(2) each module device introduction
Module one: lake water lifting, coagulating sedimentation, waste disposal plant
1. lake water lifting, coagulation-sedimentation equipment
Surface water promotes with pump, in course of conveying, adds sterilant in pipeline, kills microorganism, bacterium etc. in water; Then deliver to coagulation basin, add coagulating agent at coagulation basin, and stirring at low speed, make silt in water, suspended substance, colloid and microorganism etc. generate large flco, alumen ustum, from water, separate; Enter afterwards tube settler, carry out mud-water separation.As shown in Figure 2, each device parameter and concrete function are described below relevant device:
(1) lift technique
1, submersible pump, pumping capacity is 190m
3/ h, lift 15m, power 20kW.Its function is to promote lake water to water treatment system.
(2) coagulation basin
Useful volume 36m
3, its function is that lake water is fully mixed in pond with coagulating agent and sterilant, kills the microorganism such as mushroom, algae, carries out coagulating, forms large flco.Device structure as shown in Figure 3.
(3) coagulating agent device
Comprise 2, coagulating agent tank, 2, stirrer, 1 of dosing pump, its function is preparation and adds coagulating agent.
(4) sterilant medicine machine
Comprise 1 of 1 of sterilant dosing pump and sterilant grug feeding jar (200LPE tank).Its function is preparation and adds sterilant.
(5) tube settler
Be designed to 1, useful volume 270m
3.Its function is mud-water separation, and the impurity such as suspended substance in water is precipitated in pond.
2. sludge treatment equipment
Mud regularly enters sludge sump, the concentrated and pressure filter press filtration processing through sludge thickener, clear water discharge, mud outward transport landfill disposal.As shown in Figure 4, device parameter and concrete function are described below equipment configuration:
(1) sludge sump
Be designed to 1.Useful volume 108m
3, its function is the mud that storage settling tank is discharged.Sludge sump is furnished with liquidometer L4.
(2) spiral pump
Be designed to 1, flow 5m
3/ h, pressure: 0.6MPa, power: 3kW.Its function is to carry mud for pressure filter.
(3) pressure filter
Be designed to 1.Its function is mud-water separation.
Module two: sand filtration, deoxygenation, secondary filter equipment
Water quality pre-processing device
Through module one settling tank water outlet after treatment, first enter intermediate pool, send into sandfiltration pot by working shaft and filter, remove the impurity such as suspended substance, remove most of dissolved oxygen in water through deaeration pump again, after enter accurate filter, further remove the impurity such as suspended substance, colloid in water; This modular device connects as shown in Figure 5, and items of equipment parameter and function introduction are as follows:
(1) intermediate pool:
Be designed to 1, useful volume: 108m
3.Its function is to store inclined-plate clarifying basin water outlet, for sand coarse aggregate ratio tank supplies water.
(2) sandfiltration pot:
Be designed to 2, Ф 3200mm × 3200mm, steel lining glue.Its function is the impurity such as suspended substance, colloid in filtered water.
(3) deaeration pump:
Be designed to 2, Ф 2500mm × 3200mm, steel lining glue.Its function is to remove oxygen in water.
(4) accurate filter:
Be designed to 2, stainless steel, precision: 1 μ m.Its function is further to remove the impurity such as suspended substance in water.
(5) working shaft:
Be designed to 2, flow 100m
3/ h, lift 25m, power 11kW.Its function is to supply water for sand coarse aggregate ratio, deaeration pump, secondary filter.
(6) pre-treatment pond:
Be designed to 1, useful volume 108m
3.Its function is that water is produced in storage secondary filter, and for nano-filtration membrane equipment supplies water, the overflow of part water is to recharging pond, for sandfiltration pot backwash is supplied water.
(7) backwashing pump:
(8) be designed to 1, flow 180m
3/ h, lift 25m, power 18.5kW.Its function is to be sandfiltration pot and deaeration pump backwash water supply.
Module three: nano-filtration membrane equipment
Through module two, pretreated water section overflow enters to recharge pond, and part enters topping-up pump, enters film system after supercharging, carries out membrane filtration, and film treatment facility connects as shown in Figure 6, and device parameter and function introduction are as follows:
1. cartridge filter:
Be designed to 2.Its function is to hold back larger particles, mechanicalness impurity, protection nanofiltration membrane.
2. high-pressure pump:
Be designed to 2.Flow 60t/h, lift 120m, power 30kW.Its function is to be nanofiltration equipment water supply supercharging.
3. Scale inhibitors chemicals dosing plant:
Be designed to 2 covers.Its function is to add Scale inhibitors in the former water of nanofiltration, prevents that nanofiltration membrane is in operational process fouling, and dosing mouth is positioned on nanofiltration working shaft export pipeline.
4. sterilant chemicals dosing plant:
Be designed to 2 covers.Its function is to add sterilant in the former water of nanofiltration, prevents that nanofiltration membrane from having microorganism growth at operational process, and dosing mouth is positioned on nanofiltration working shaft export pipeline.
5. nano-filtration membrane equipment:
Be designed to 2 groups.Every group of nanofiltration equipment is made up of 9 R6040C-S5W shells, is divided into two sections, one section of 6 putamina parallel connection, two sections of 3 putamina parallel connections, one, two section of series connection.In every shell, fill 5 ESNA8040 nanofiltration membrane, every group of nanofiltration membrane amounts to 45 membrane modules.Its function is to remove part salinity and most of calcium ions and magnesium ions in water, and the total ratio of desalinization of nanofiltration membrane is 93%, and calcium ions and magnesium ions decreasing ratio is greater than 98%.
6. purge tank:
Be designed to 2,3m
3, material PE.Its function is to clean and store scavenging solution for nanofiltration membrane.
7. scavenging pump:
Be designed to 1, stainless steel, flow 60m
3/ h, lift 30m, power 9.2kW.Its function is to clean scavenging solution is provided for nanofiltration membrane.
8. clean accurate filter:
Be designed to 1.Its function is suspended substance, the granule foreign etc. of holding back in nanofiltration scavenging solution, ensures the cleaning performance of nanofiltration membrane.
Module four: recharge equipment
The product water of processing through module three enters and recharges pond, mixes with module two part overflow water after treatment, and water quality reaches recharge water standard substantially.If pH and dissolved oxygen are not up to standard, according to practical situation, can before recharging, make recharge water reach recharge water requirement index by adding a small amount of acid (alkali) liquid and oxygen scavenger, recharge water after treatment finally recharges into hot reservoir by recharging pump delivery to inverted well.As shown in Figure 7, device parameter and function introduction are as follows for this modular device connection:
(1) recharge pond:
Be designed to 1, useful volume 160m
3, its function is that storage nanofiltration membrane is produced water and pre-treatment pond overflow water, provides recharge water for recharging pump.
(2) oxygen scavenger medicine machine:
Be designed to 1 cover.Its function is for recharge water provides oxygen scavenger, ensures that recharge water dissolved oxygen is qualified.
(3) pH regulator medicine machine:
Be designed to 1 cover.Its function is for recharge water provides acid solution or alkali lye, ensures that recharge water pH is qualified.
(4) recharge pump:
Be designed to 1.Flow 150m
3/ h, lift 20m, power 15kW.Its function is to provide recharge water for geothermal well.
According to above-mentioned processing unit and application conditions, select the lake water of Binhai New District Dong Li lake tourist district as water source, utilize this device to carry out water conditioning, water after treatment is recharged in the hot reservoir of Jixianian System mist fan mountain group in Dao Gai district.In order to facilitate the good operation of whole plant and properly management, Gai district has built special recharge water and has processed station, Jixianian System mist fan mountain group geothermal reinjection well is dug in Gai district simultaneously, set up surface water Returning test base, will recharge the hot reservoir of object by the lake water that meets recharge water water quality standard of system processing.
(1) machine operation
Construction is carried out in strict accordance with design requirements in test base, construction and the installation work of the major equipment assemblies such as lake water lift technique, coagulative precipitation tank, sandfiltration pot, deaeration pump, membrane filtration are successively completed, then various water treating equipment are carried out to pipeline connection, verify by actual motion, system device parameters meets design requirement, and water treatment effect reaches recharge water and recommends the requirement of control index.The maximum water yield of processing of this recharge water pretreatment unit can reach 190m
3/ h, water production rate 150m
3/ h, can meet the requirement of the design amount of recharging.According to the practical operation situation of test, the running cost that accounting surface water recharges is 1.67 yuan/m
3.
(2) automation control system
In actual moving process, set up supporting automation control system, the items of equipment for the treatment of device for water is carried out to remote control, make operation of equipment flexible, save human cost, improve the working efficiency of system operation and the modern management level of whole water treatment equipment system simultaneously, realized science, safe and reliable production.
Automation control system is made up of self-control cabinet (supporting PLC and relevant I/O module etc.), various transmitter and field instrument etc., and the function that it completes has: the assigning of the on-line monitoring of process operation data, the supervision of equipment running status, the program of carrying out artificial establishment, the order of output to drive element, with the DCS communication of the plant area instruction that breath and reception assign of delivering a letter above.According to processing requirement, necessary self-con-tained unit and instrument are set, implement computer program control and equipment interlocking.
Claims (3)
1. a kind for the treatment of device for water in surface water recharge system, is characterized in that: filtered, recharged 4 modules and connect to form by coagulating sedimentation, sand filtration deoxygenation and secondary filter, nanofiltration membrane; Concrete syndeton:
Connect lift pump from lake water extraction tube; In pipeline after lift pump, connect sterilant tank and coagulation basin, coagulation basin connects coagulating agent tank; Coagulation basin connects tube settler downwards, and tube settler connects intermediate pool downwards; Under tube settler, square tube connects dirt pond, and pressure filter is connected dirt pond with spiral pump; Intermediate pool connects successively sand by working shaft downwards and considers tank, deaeration pump and precise filtering tank, and precise filtering tank connects the bottom pipeline of pretreatment pool downwards, and pretreatment pool lower side conduit connects the bottom pipe of sand worry tank and deaeration pump by backwashing pump; Pretreatment pool upper strata pipeline connects downwards and recharges pond pipe connecting and water producing pipe; Pretreatment pool bottom device for cleaning pipeline is crossed nanofiltration working shaft connection sterilant tank and is connected security personnel's hay tank with scale remover tank again, security personnel's hay tank connects nano-filtration membrane equipment by high-pressure pump again, purge tank connects nano-filtration membrane equipment by scavenging pump simultaneously, has effluent outfall on nano-filtration membrane equipment; Nano-filtration membrane equipment rising pipe is connected on water producing pipe; Water producing pipe is connected with and connects oxygen scavenger tank and sour, alkali liquid tank.
2. a kind for the treatment of device for water in surface water recharge system according to claim 1, it is characterized in that: described coagulation basin is connected with filling pond and aerobic fermentation tank, former water pot pipeline and coagulating agent tank inject from coagulation basin bottom side, coagulation basin filling pond is connected with aerobic fermentation tank labyrinth type, inside join stirring rake, the water on aerobic fermentation tank top imports tube settler, and tube settler bottom connects hydrocyclone by pump, hydrocyclone top is shore pipe, and hydrocyclone below is fine sand return line.
3. a kind for the treatment of device for water in surface water recharge system according to claim 1, is characterized in that: the pond of recharging of recharging pond pipe connecting connection is connected with oxygen scavenger tank and pH regulator tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259017.4U CN203833742U (en) | 2014-05-21 | 2014-05-21 | Water treatment device in surface water recharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259017.4U CN203833742U (en) | 2014-05-21 | 2014-05-21 | Water treatment device in surface water recharge system |
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| Publication Number | Publication Date |
|---|---|
| CN203833742U true CN203833742U (en) | 2014-09-17 |
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|---|---|---|---|
| CN201420259017.4U Expired - Fee Related CN203833742U (en) | 2014-05-21 | 2014-05-21 | Water treatment device in surface water recharge system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587278A (en) * | 2016-12-28 | 2017-04-26 | 西安交通大学 | Electrochemical descaling equipment model selection method for circulating cooling water system |
| CN106677262A (en) * | 2016-12-21 | 2017-05-17 | 辽河石油勘探局 | Method for artificially sealing and recharging geothermal water |
| CN107285523A (en) * | 2017-08-07 | 2017-10-24 | 姜德晶 | A kind of mine wastewater Intelligent treatment device and method |
| CN112780232A (en) * | 2021-02-01 | 2021-05-11 | 中国地质调查局水文地质环境地质调查中心 | Pressure-control heat-insulation exploitation system for hot dry rock |
| CN113153223A (en) * | 2021-03-23 | 2021-07-23 | 河北省地矿局第三水文工程地质大队 | Sandstone-type water outlet geothermal well and recharge well construction method |
| CN114146486A (en) * | 2021-12-10 | 2022-03-08 | 中国华能集团清洁能源技术研究院有限公司 | Geothermal water recharging treatment system and method |
| CN114230042A (en) * | 2021-12-17 | 2022-03-25 | 天津地热勘查开发设计院 | An experimental platform and experimental method for recharging surface water as geothermal supplementary water |
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2014
- 2014-05-21 CN CN201420259017.4U patent/CN203833742U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677262A (en) * | 2016-12-21 | 2017-05-17 | 辽河石油勘探局 | Method for artificially sealing and recharging geothermal water |
| CN106587278A (en) * | 2016-12-28 | 2017-04-26 | 西安交通大学 | Electrochemical descaling equipment model selection method for circulating cooling water system |
| CN106587278B (en) * | 2016-12-28 | 2019-06-11 | 西安交通大学 | Selection method of electrochemical descaling equipment for circulating cooling water system |
| CN107285523A (en) * | 2017-08-07 | 2017-10-24 | 姜德晶 | A kind of mine wastewater Intelligent treatment device and method |
| CN112780232A (en) * | 2021-02-01 | 2021-05-11 | 中国地质调查局水文地质环境地质调查中心 | Pressure-control heat-insulation exploitation system for hot dry rock |
| CN112780232B (en) * | 2021-02-01 | 2022-05-20 | 中国地质调查局水文地质环境地质调查中心 | A dry-hot rock pressure-controlled thermal insulation mining system |
| CN113153223A (en) * | 2021-03-23 | 2021-07-23 | 河北省地矿局第三水文工程地质大队 | Sandstone-type water outlet geothermal well and recharge well construction method |
| CN114146486A (en) * | 2021-12-10 | 2022-03-08 | 中国华能集团清洁能源技术研究院有限公司 | Geothermal water recharging treatment system and method |
| CN114146486B (en) * | 2021-12-10 | 2023-03-14 | 中国华能集团清洁能源技术研究院有限公司 | Geothermal water recharging treatment system and method |
| CN114230042A (en) * | 2021-12-17 | 2022-03-25 | 天津地热勘查开发设计院 | An experimental platform and experimental method for recharging surface water as geothermal supplementary water |
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