43 results about "Hot spring" patented technology

The invention discloses a high-arsenic hot spring replenishment surface water resource quantity determination method, device and equipment, a medium and a product, and relates to the technical field of water resource evaluation and ecological environment protection. The method comprises the following steps: acquiring information data of a target research area; screening symbolic characteristic parameters of the information data by adopting a statistical analysis method and geochemical diagrams to obtain screened information; based on the law of conservation of mass and the end member mixing theory, a multivariate mixing model is constructed according to the screening information; solving the multivariate mixed model by adopting a least square method to obtain a mixing ratio; the mixing ratio is used for analyzing spatial distribution characteristics of the mixing process of the high-arsenic hot spring and the surface water in combination with water flow path survey information; and determining the replenishment resource quantity of the high-arsenic hot spring according to the mixing proportion. The method aims at improving the accuracy and efficiency of determining the surface water resource quantity supplied by the high-arsenic hot spring.

The invention provides mineral thermal spring water as well as a preparation method and application thereof, and relates to the technical field of cosmetics. The preparation method comprises the following steps: pretreating thermal spring water through a multi-medium filter layer to obtain liquid 1; mixing the liquid 1 with modified zeolite at 20-28 DEG C, heating to 40-50 DEG C, and filtering to obtain liquid 2; enabling the liquid 2 to pass through a polyamide composite nanofiltration membrane with the interception amount of 200Da to obtain liquid 3; and sterilizing the liquid 3 to obtain the mineral thermal spring water. Through a specific preparation method, on the premise that other substances are not introduced, the soothing effect and the microcirculation promoting effect of the thermal spring water are remarkably improved, and a basis is provided for wide application of the thermal spring water to the field of cosmetics.

The utility model discloses a hot spring geothermal turbine sustainable power generation system, which comprises a thermodynamic cycle system and a power generation system, the thermodynamic cycle system comprises a condenser and a flash evaporator, the condenser is communicated with the flash evaporator, the flash evaporator is communicated with the power generation system, and the power generation system is communicated with the power generation system. One end of the flash evaporator is used for being communicated with a hot spring geothermal well, and one end of the condenser is used for being connected with a heat dissipation assembly. And the power generation system is connected between the condenser and the flash evaporator and is communicated with the condenser and the flash evaporator to form a thermodynamic circulation loop. According to the technical scheme provided by the utility model, a sealed thermodynamic cycle loop is formed, no pollution emission is generated in the power generation process, the natural environment is not influenced, the performance is reliable, the efficiency is high, the maintenance is basically not needed, the service life is long, and the problems of low efficiency, low cost and the like of the existing organic Rankine cycle power generation technology are solved. And energy sources such as terrestrial heat and hot spring cannot be utilized more efficiently, and the heat exchange efficiency of the whole power generation system is improved.

To provide a composition obtained by concentrating mineral components in hot spring water or mineral spring water.SOLUTION: A method for producing a mineral-containing composition, comprising the following steps (1) to (4), wherein warm water and / or mineral water springing out from the ground and having (A) pH3. 5 to pH10. 5 and (B) iron ions in an amount of 20mg / L or less is used as a starting material liquid: (1) The starting solution is mixed with acetic acid in an amount of 0.25 to 0. 1kg per 75kg of the starting solution. (2) Heating is performed before and / or after the mixing of acetic acid to set the temperature of the mixed solution to 50 to 85 °C. (3) Calcium carbonate calcined at 140 °C to 210 °C is mixed with 1. to 2. 5kg per 1kg acetate mixed in (1), and the mixture is allowed to stand at 40 °C or less for 12 hours or more to generate crystals and precipitates. (4) Solutions containing crystals and precipitates 0.05 to 0. 1kg of nitrates per 2kg are mixed, and crystals are collected. According to the present production method, a large amount of crystals can be generated quickly, and a composition in which minerals in hot spring water or mineral spring water are concentrated can be provided.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of algae cultivation environment regulation and control, and particularly discloses a hot spring algae cultivation environment real-time monitoring self-adaptive regulation and control method which comprises the following steps: acquiring environment illumination intensity, a culture solution pH value and algae bio-optical parameters in real time; evaluating biological optical parameters of the algae to obtain a real-time biomass density and effective photosynthetic quantum yield time sequence; dynamically judging and triggering a first regulation and control strategy based on the result, and regulating the illumination intensity, the spectrum ratio and the light period of the multi-channel dimmable LED light source; meanwhile, the carbon source condition and the acid-base balance trend are analyzed and predicted based on the pH value change curve, then a second regulation and control strategy is triggered, and pulse type supply control is conducted on the carbon dioxide supply unit. According to the invention, multi-parameter, real-time and online monitoring and intelligent diagnosis of a hot spring algae culture environment are realized, the defects of lagging, one-sided and static regulation and control of a traditional method are overcome, and the utilization efficiency of illumination and a carbon source is remarkably improved.

The invention provides a tunnel freezing injury prevention device utilizing geothermal energy, which comprises geothermal energy transmission equipment provided with a first water inlet and a first water outlet, and the first water inlet is externally connected with underground thermal spring water; the tunnel segment comprises a plurality of layered composite segment bodies connected in sequence and is provided with a geothermal source water inlet and a geothermal source water outlet, the geothermal source water inlet is connected with the first water outlet, and the geothermal source water outlet is connected with a tunnel drainage ditch; and the road surface anti-freezing component is laid on the road surface and provided with a second water inlet and a second water outlet, the second water inlet is connected with the first water outlet, and the second water outlet is connected with the tunnel drainage ditch. Underground thermal spring water is adopted as a heat source, energy is saved, carbon is reduced, icing is fundamentally eradicated, the possibility of frost heaving damage is eliminated, the layered composite pipe pieces can be rapidly disassembled and assembled in a lossless mode and rapidly replaced, and the operation and maintenance cost of the tunnel is reduced.

The invention provides a low-temperature evaporation and concentration recycling system for medium-high-temperature geothermal thermal spring water, which comprises a raw heat energy adaptation and raw water conveying unit, a pure physical pretreatment unit, a low-temperature high-power concentration unit, a solid-liquid concentrated liquor treatment and mineral recovery unit, a condensate water full-recycling unit and an intelligent monitoring unit, the invention further provides a medium-high temperature geothermal thermal spring water low-temperature evaporation and concentration recycling method adopting the medium-high temperature geothermal thermal spring water low-temperature evaporation and concentration recycling system. According to the invention, the technical problems of primary heat energy waste, high-hardness scaling and chemical pollution of medium-high temperature geothermal hot spring water, health component attenuation, high energy consumption of tail end byproduct treatment and single resource utilization of geothermal hot spring water in the existing geothermal hot spring water concentration recycling technology are effectively solved.

The invention discloses a full-automatic long-term hot spring monitoring system, and relates to the technical field of environment monitoring and tourism facility management, and the system comprises a monitoring terminal cluster which is composed of a plurality of monitoring terminals disposed at different nodes of a hot spring area; each monitoring terminal is used for automatically collecting physical and chemical parameters of a water body at a node where the monitoring terminal is located; the cloud service platform is in communication connection with the monitoring terminal cluster and is used for receiving, storing, analyzing and visualizing the physical and chemical parameters; intelligent early warning and data management are carried out according to an analysis result; and the user access terminal is in communication connection with the cloud service platform and is used for receiving the intelligent early warning and providing access service for the physical and chemical parameters for a user. According to the invention, unmanned, intelligent and informationized hot spring monitoring is realized, and the operation efficiency, the service quality and the resource protection level are remarkably improved.

The present application relates to hot spring gas detection technical field, specifically for high temperature hot spring gas sampling and pretreatment method based on intelligent sensor, including: the original gas sensing data set of the intelligent sensor array around the high temperature hot spring mouth, the sampling environment thermodynamic state parameters are solved in combination with temperature, pressure sensing value. Introduce the improved Kalman filtering algorithm to do time series filtering processing to the original sensing data, generate the noise reduction gas sensing data sequence. According to the sequence of gas component concentration numerical dynamic adjustment sampling probe insertion depth and sampling flow rate, form dynamic adaptive sampling parameters, drive sampling pump to complete high temperature hot spring gas extraction to obtain original sample. The original hot spring gas sample is pretreated by multistage condensation dehydration and particle removal, and the purified hot spring gas sample is obtained. The method can inhibit the time series interference of the sensing data on the field environment, adapt to the working condition change of the complex environment data source of high temperature hot spring gas, and optimize the sampling operation adaptability.

The invention relates to the field of hot spring facilities, and provides a constant-temperature soaking pool which comprises a stone pool body, an overflow water tank and a supplement water tank, and a soaking pool is formed in the upper surface of the stone pool body; the supplementing water tank is used for supplementing water into the soaking pool; an overflow hole communicated with the overflow water tank is formed in the inner wall of the soaking pool, and one end, far away from the soaking pool, of the overflow hole is inclined upwards; a floating assembly is arranged in the overflow hole, and the highest water level is arranged on the inner wall of the overflow hole. When the floating assembly is lower than the highest water level, the floating assembly opens the supplementary water tank. According to the constant-temperature soaking pool, water can be supplemented into the soaking pool in time.

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.

The utility model belongs to the technical field of water body detection equipment, and discloses a hot spring water body multilayer sampling detection device which comprises a sampling bin, a sampling opening is formed in the front face of the sampling bin, an inner groove is formed in the inner wall of the sampling bin, an electric push rod is installed in the sampling bin, and the output end of the electric push rod is fixedly connected with a baffle. A water quality detection sensor is mounted on the inner bottom wall of the sampling bin, a mounting frame is mounted on the bottom surface of the sampling bin, and the two devices can be conveniently and quickly spliced together through cooperation of the mounting frame, a winding roller, a rotary table, a winding rope, an identification ring, a connecting block, an arc surface inserting block, a connecting groove block and a limiting mechanism; when water quality detection is carried out on different natural hot spring pools, different numbers of sampling detection point positions can be set, and the spacing distance between the different point positions can be adjusted, so that sampling at different height intervals can be carried out on the natural hot spring pools, and the practicability of the device is improved.

The utility model discloses a hot spring algae bioreactor and relates to the technical field of hot spring algae. The device comprises a bottom plate, a transparent culture tank is arranged above the bottom plate, a fixed box is fixedly arranged on the top face of the bottom plate, a second motor is installed on one side of the fixed box, a first bevel gear is fixedly arranged at the output end of the second motor, a rotating rod is rotatably inserted into the fixed box, and a first bevel gear is fixedly arranged at the output end of the first bevel gear. The rotating rod is fixedly arranged on the bottom surface of the transparent culture tank, the outer surface of the rotating rod is fixedly sleeved with a second bevel gear and a third bevel gear, the first bevel gear can be meshed with the outer surface of the second bevel gear and the outer surface of the third bevel gear, a groove is formed in the bottom plate, a rotating ring is rotationally arranged in the groove, and the first bevel gear can be meshed with the rotating ring. The transparent culture tank is driven by the rotating rod to rotate back and forth, so that when the stirring rod stirs raw materials and water, a water source does not generate vortexes, the hot spring algae are uniformly distributed in the water and can fully receive illumination, and the yield of the hot spring algae is increased.

The application discloses an inert gas graphic method for identifying geothermal water migration direction and relates to the technical field of mineral resource exploration. 4 He / 20 Ne ratio and 4 He / 36 Ar ratio; a He 4 He / 20 Ne-He 4 He / 36 Ar binary correlation coordinate system is established, and an atmospheric characteristic value coordinate point is indicated; each sample ratio is taken as a coordinate point and is plotted into the coordinate system, and a geothermal water migration direction is determined according to a change trend from high to low of the ratio. The application can realize accurate identification of the geothermal water migration direction in a high-temperature geothermal field lacking of hot spring outcrops by using the stable chemical properties of inert gases, and effectively avoids interference caused by geological processes such as water-rock interaction, mineral deposition and clay mineral adsorption.

To provide a hot spring bath water heater that keeps hot spring water at an appropriate temperature of about 42°C ± 4°C after bathing in the morning and afternoon until the water is drained at night in a private indoor hot spring bath that is not free-flowing, saves paid circulating hot spring water, saves the time and effort required to keep the hot spring at an appropriate temperature when re-bathing, and keeps the hot spring always ready for bathing. [Solution] The hot spring bath water heater has a heating element 1 connected to a power cord 10 with a plug 8 and switch 9, which can be separated into upper and lower parts by a connecting part 7, and is housed inside a heating element cover made of a material with low thermal conductivity and with many holes 6; the heating element is fixed to the bottom of the lower part 3 of the heating element cover, and the power cord passes through power cord hole 5 at the top of the heating element cover, forming a single unit. By submerging the hot spring bath water heater in the bath, the hot spring water in the bath can be kept at an appropriate temperature of around 42°C ± 4°C, saving on the cost of circulating hot water and saving the effort and time required to adjust the hot spring water to the appropriate temperature when re-bathing.

The application provides a floating geothermal hot spring heat power generation system based on natural circulation, and relates to the technical field of heat power generation. The system comprises a cold end natural circulation module, a heat end natural circulation module filled with a heat transfer working medium and used for being immersed in a hot spring to transfer the heat of the hot spring water to the heat transfer working medium, and a thermoelectric module with a combined cold end and heat end arranged from top to bottom; the cold end is in contact with the cold end natural circulation module, and the heat end is in contact with the heat end natural circulation module to generate power by using the temperature difference between the river water and the heat transfer working medium; the heat end natural circulation module is provided with a buoyancy sleeve for supporting the heat end natural circulation module to float in the hot spring, so that the thermoelectric module and the cold end natural circulation module above the heat end natural circulation module are separated from the hot spring water. The system provided by the application solves the problem of high energy consumption caused by the additional external power source for driving the working medium circulation in the existing heat power generation system.

The invention discloses a geothermal resource exploration method based on ground hydrothermal alteration hyperspectral measurement, and belongs to the technical field of geological mineral exploration. The method comprises the following steps: firstly, obtaining a short-wave infrared spectrum and a thermal infrared spectrum of an earth surface rock sample, and taking an alteration grade divided by the short-wave infrared spectrum as a real label; rock skeleton characteristics extracted by thermal infrared spectroscopy are used as independent variables; after the minority class samples are balanced by adopting an SMOTE technology, training a random forest classification model; then extracting a prediction probability vector output by the model to carry out inner product and normalization operation; and finally, adaptively searching a threshold limit to extract a planar alteration abnormal region, and carrying out spatial superposition verification on the planar alteration abnormal region and discrete point-shaped hot spring temperature features to delineate a dominant target region. According to the method, the target area deviation caused by a single temperature index is effectively corrected, the gradual change spatial evolution rule of alteration intensity is well adapted, and high-precision and low-cost early-stage exploration work of the geothermal target area is achieved under the condition of no deep drilling.

Provided are a heat generation system, a power generation system, a thermal power generation system, and a heat generation method that make it possible, when generating heat using a heating element in which a hydrogen storage alloy or the like is used, to heat the heating element without using a heater, or to reduce power for heating even when a heater is used. A heating system 1 includes: a heating element in which a multilayer film for generating heat by storage and release of hydrogen is formed on a surface of a support body formed of a hydrogen storage metal, a hydrogen storage alloy, or a proton conductor; a heating device 11 having a sealed container for storing the heating element, an introduction line 4 for introducing a gas containing hydrogen into the sealed container, and a lead-out line 5 for leading out the gas containing hydrogen used for heat generation in the heating element by storage and release of hydrogen in the heating element; and a heat source 7 which is provided in any of a factory, a hot spring site, and a thermal power plant, and which discharges, to the periphery of the sealed container, a fluid for heating the heating element from the outside of the sealed container.

The application discloses a treatment method for removing fluorine and improving quality of high-fluorine hot spring water while retaining beneficial trace mineral elements. After adding a proper amount of active magnesium oxide powder to high-fluorine hot spring water, the fluorine ions in the high-fluorine hot spring water are effectively removed through oscillation adsorption, the fluorine content in the high-fluorine hot spring water is reduced to below the limited value of the national standard GB8537-2008 of mineral water, the beneficial trace mineral elements in the hot spring water are effectively retained, the total hardness concentration of the hot spring water is lower than the recommended value (18.70mg / L<150mg / L) of the World Health Organization for magnesium in drinking water, namely, the drinking water treated by the method meets the national drinking water standard. The raw material is easy to obtain, the adsorption material is simple to prepare, low in cost and convenient to use, and is suitable for promotion.

This invention relates to the field of medium-deep geothermal resource development technology, specifically disclosing an open medium-deep geothermal heat exchange system, including an open medium-deep geothermal well device. The open medium-deep geothermal well device includes a well casing, a central pipe installed inside the well casing, and a flow guiding device installed on the well casing. A heat exchange channel is formed between the well casing and the central pipe. The well casing is located within the heat exchange well and extends through the aquifer into a crater-type geothermal reservoir. A first gap is formed between the outer wall of the well casing within the crater-type geothermal reservoir and the inner wall of the crater-type geothermal reservoir. The flow guiding device includes an upper filter pipe and a lower filter pipe. The upper filter pipe is located in the middle of the well casing, and the lower filter pipe is located at or near the bottom of the well casing. This geothermal heat exchange system meets the water temperature and quality requirements for hot spring bathing, while also minimizing the risk of the central pipe detaching, facilitating troubleshooting and repair of subsequent hot and cold water crosstalk faults within the well, and reducing heat loss.

The invention provides lithium type physiotherapy water and a preparation method thereof, and belongs to the field of health care. The preparation method of the lithium type physiotherapy water comprises the following steps: (1) taking thermal spring water, and adjusting the pH value to 5-8; and (2) evaporating and concentrating the thermal spring water of which the pH is adjusted in the step (1) to 10-50 times of concentration multiple, so as to obtain the lithium type physiotherapy water. According to the lithium type physical therapy water, the hot spring is used as a raw material, and the lithium type physical therapy water meeting the physical therapy hot mineral water standard is prepared by adopting a specific method. The lithium type physical therapy water has high physical therapy component and beneficial component content, and has great potential in physical therapy effect; meanwhile, the lithium-type physical therapy water meets the IV-class standard of the underground water quality standard, and is good in safety when being used as bath water. The invention provides more hot spring utilization forms, can expand the utilization way of hot spring resources, and has a good application prospect.

The application discloses a preparation method of natural hot spring carbon nanobubbles, and a stabilized product and application thereof, relates to the technical field of deep processing of natural products and high-end personal care raw materials, and comprises a specific preparation method, a stabilized product obtained by using the preparation method, and application of the stabilized product in the preparation of daily chemical products. Through ultrahigh-speed rotary cutting dispersion and interface modification technology, free carbon dioxide (CO2) and bicarbonate (HCO3 ‑ ) systems in hot spring water are efficiently converted into nanobubble dispersion with super-long stability and a stabilized product with characteristic mineral ions, which can be directly used as a core raw material of high-end bubble bath and skin care products.

The invention discloses a multi-dimensional comprehensive evaluation method for microbial diversity of a hot spring, which comprises the following steps: collecting a water sample, a sediment and a biological membrane along the temperature gradient of the hot spring to form a sample, and carrying out pretreatment and in-situ fixation on the sample; carrying out metagenome, metatranscriptome and amplicon sequencing treatment on the sample; calculating three-dimensional indexes of a structural stability index SSI, a functional activeness score FAS and abundance of an environmental adaptability gene set through multi-omics integration analysis; and generating a biodiversity comprehensive evaluation report through a three-dimensional index based on the environmental adaptation index EAI. According to the method, three-dimensional quantitative analysis of structure-function-environment adaptability is realized. Through multi-omics stack analysis and environment factor coupling modeling, the problem of integrity deficiency of extreme environment biological resource evaluation is solved.

The utility model relates to hot spring water treatment technical field discloses a kind of hot spring water recycling treatment device, including filter unit, heat recovery unit and disinfection unit connected in turn, and the core of heat recovery unit sewage source heat pump system is, extracting the waste heat of hot spring water, and the core of disinfection unit is ozone sterilizer, and hot spring water is disinfected;The filter unit includes the L-shaped pipe communicated with heat recovery unit, the L-shaped pipe side wall is evenly provided with multiple communicated filter pipes along the circumferential direction, and multiple groups of filter pipes are vertically arranged, the filter pipe is in the shape of a Chinese character, and the lower end is communicated with L-shaped pipe, the filter pipe includes upper pipe and lower pipe connected with L-shaped pipe, and upper pipe and lower pipe are not connected, and detachable filter element is arranged between them;The L-shaped pipe corresponding to upper pipe is provided with baffle plate. The utility model has the advantages compared with prior art in that: filter unit is easy to disassemble and assemble, and hot spring water treatment efficiency is improved.

1. Name of the product in this design: Swimsuit (Photo Frame Round Hole Cup). 2. Intended use of this design: clothing worn while swimming or soaking in hot springs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The model in the design drawing is a supporting element and does not constitute part of the design for which protection is sought. 6. Other situations requiring explanation: The top view of this design product is shown in perspective view 1 and perspective view 2, so the top view is omitted; the bottom view of this design product is omitted because the parts that are not easily seen or cannot be seen during use are not shown in the bottom view.

A system utilizes switching direct current (DC) power to supply power to a heating element. The high-speed switching of the heating element triggers lattice excitation in the element's alloy, thereby heating the element. The heating element can be used alone or in combination with additional heating elements. The heating element can be used for water heating (e.g., water heaters, hot springs / hot tubs, swimming pools), oil heating (e.g., enclosed oil heaters), space heating, or other heating applications.

The application belongs to the technical field of earthquake monitoring, and discloses an adjustable gas collecting device and a hot spring fluid collecting and analyzing method. The adjustable gas collecting device comprises a gas collecting support, a lifting adjusting assembly and a gas collecting assembly. The hot spring fluid collecting and analyzing method comprises the following steps: S1, dipping a gas collecting cover and a gas guide pipe into hot spring water, and collecting hot spring gas through a gas outlet pipe and conveying the hot spring gas to a pretreatment module; S2, stably conveying the gas sample by the pretreatment module, and providing a required gas sample to a TCD chromatographic analysis system; S3, analyzing the chemical components of the gas sample by the TCD chromatographic analysis system, and conveying the chemical component content data of the gas sample to an analysis and prediction model; S4, forming a data set by the analysis and prediction model, extracting features, and constructing an earthquake prediction model; S5, inputting the analysis and prediction system to transmit data outward; and S6, generating an earthquake pre-monitoring report. The application is convenient for stably and accurately collecting hot spring fluid.

A system is provided.SOLUTION: A system comprising: means for collecting hot spring data and storing location information, features, and information on surrounding facilities in a database; means for inputting attribute information of a user and recommending an optimum hot spring based on the attribute information; means for generating a virtual hot spring tour based on a selected hot spring and providing the virtual hot spring tour to a terminal of the user; and means for sharing information on a virtual hot spring experience and an actual travel with other users and promoting interaction.SELECTED DRAWING: Figure 1

The utility model belongs to the technical field of hot spring replenisher feeding, and discloses a hot spring replenisher feeding device for a hot spring bath pool, which comprises a mixing cylinder, a double-shaft motor is mounted on the upper surface of the mixing cylinder, a replenisher feeding mechanism is arranged outside the double-shaft motor, the replenisher feeding mechanism comprises a transverse connecting plate and a liquid containing ring, and the transverse connecting plate is connected with the liquid containing ring. The upper output end of the double-shaft motor is fixedly connected with the transverse connecting plate, a liquid containing open groove is formed in the liquid containing ring, and the double-shaft motor, a supplement feeding mechanism, a liquid flowing hole, a liquid discharging hole, an inner shielding ring, an outer shielding ring, a stirring rod and a stirring piece are matched; a hot spring supplement can be fed into the hot spring water through multiple points while the hot spring water is stirred, so that the uniformity of feeding the hot spring supplement is greatly improved, and the situation that mineral substances and trace elements are uniformly mixed into the hot spring water after a lot of time is avoided; the shortening of the mixing time can greatly improve the supply efficiency of the mineral thermal spring water.

This product provides concentrated hot spring water that has the effect of suppressing itching of the skin in humans and animals. [Solution] The concentrated hot spring water is produced by concentrating hot spring water, wherein the source temperature of the hot spring water is 30°C or lower, and the components contained in 1 kg are fluoride ions of 2.0 mg or more, carbonate ions of 10.0 mg or more, calcium ions of 15.0 mg or less, and potassium ions of 5.0 mg or less, and in the concentration process, the volume is concentrated to 1 / 2 to 1 / 10 while maintaining the temperature of the hot spring water at 60°C or lower, and the pH value after concentration is 8.0 or higher.