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396 results about "Water release" patented technology

Multi-water-source joint scheduling method and system

The invention discloses a multi-water-source joint scheduling method and system, and relates to the technical field of water resource scheduling, and the method comprises the steps: setting a flood control water level target, and calculating the real-time water level data of each reservoir and the water level deviation value of the flood control water level target; predicting the water discharge amount of each reservoir by using a reinforcement learning algorithm, and adjusting the predicted water discharge amount based on the real-time water level change trend; a cooperative control mechanism between the reservoirs is constructed, gate flow parameters of all the reservoirs are calculated through a time sequence algorithm, and a reservoir gate control model is constructed based on the gate flow parameters; generating a gate control instruction in combination with the reservoir gate control model; and inputting the generated gate control instruction into a gate controller, and in combination with a preset scheduling rule, executing water source scheduling between reservoirs. The reinforcement learning algorithm is used for predicting the water discharge amount, dynamic adjustment is conducted according to the real-time water level change trend, unnecessary water resource waste is avoided, and the risk of isolated operation is reduced.
Owner:POWERCHINA BEIJING ENG CORP

Reservoir ecological scheduling method and system and storage medium

The invention relates to the technical field of reservoir ecological management, in particular to a reservoir ecological scheduling method and system and a storage medium. The method comprises the following steps: carrying out vertical section multi-source parameter acquisition on a reservoir through a sensor array to obtain an original section data set; carrying out bottom mud-water body substance exchange strength characterization on the original profile data set to obtain an exchange flux comprehensive index; layering the reservoir according to the exchange flux comprehensive index to obtain a reservoir horizon structure chart; performing season-depth partition according to the reservoir horizon structure chart to obtain a partition statistical feature set; performing ecological safety response association on the partitioned statistical feature set to obtain an ecological safety domain map; and performing exchange flux and scheduling constraint analysis according to the ecological security domain atlas to obtain an exchange flux deviation table and a scheduling constraint condition set. According to the invention, a scientific scheduling method is provided for health of the reservoir ecosystem through collaborative optimization of water level regulation and control and layered drainage.
Owner:INST OF AQUATIC LIFE ACAD SINICA

Mine pit water inflow prediction method suitable for cohesive soil coverage

The invention relates to the field of hydrogeology, and discloses a mine pit water inflow prediction method suitable for cohesive soil coverage, which comprises the following steps: special drilling: performing monitoring drilling on a mine, and simultaneously respectively adopting cohesive soil undisturbed samples at different positions to obtain cohesive soil data; monitoring data: respectively observing corresponding data of the drill holes by using a monitoring device; a group hole water pumping test is carried out on the mine to obtain a mine underground water flow field form, observation data are collected in real time in the water pumping process, and water pumping test data are obtained; and water release test: carrying out cohesive soil compaction water release test on the cohesive soil undisturbed sample in a high-pressure state by adopting special equipment. The cohesive soil data are obtained through special drilling, the foundation is laid for follow-up analysis, the dynamic state of the cohesive soil is mastered in real time through data monitoring, the basis for studying the characteristics and change rules of the cohesive soil is built by combining the data with the special drilling data, the interaction between underground water and the cohesive soil is studied through a water pumping test, and key support is provided for prediction.
Owner:HEBEI XINJIA TECHNOLOGY CO LTD

Multi-style water injection toy ball

The utility model discloses a multi-style water injection toy ball which comprises an adjusting rod and two half-shell rubber bodies, one end of the adjusting rod is connected to the inner wall of one half-shell rubber body, and the other end of the adjusting rod is screwed into a screw hole of the other half-shell rubber body through a thread part, so that the two half-shell rubber bodies are combined in a covering mode to form a hollow whole shell. After the water is filled and the ball is thrown, the water releasing effect is good, and the entertainment effect is better; the half-shell rubber bodies can be screwed, and the closing force of the two half-shell rubber bodies can be adjusted by adjusting the depth of the threaded part of the adjusting rod screwed into the screw hole, so that the required sealing effect is achieved, the corresponding explosion water release effect is obtained, and the flexibility is high; during water injection, the half-shell rubber body on one side or the two sides can be pressed at the same time or the half-shell rubber bodies on the two sides are pulled open or pulled open for water injection, the water injection modes are multiple, and diversified playing requirements are met; and in addition, the colors and the shapes of the two half-shell rubber bodies can be the same or different, so that more interestingness is achieved, and individual requirements are met.
Owner:DONGGUAN YONGNKIDS TOYS TECHNOLOGY CO LTD

Solanaceous vegetable seedling cultivation device and cultivation method

The invention discloses a solanaceous vegetable seedling cultivation device and method, and belongs to the technical field of vegetable seedling cultivation, the solanaceous vegetable seedling cultivation device comprises a cultivation box, a spraying assembly, an automatic soil loosening and water releasing assembly and a carbon dioxide releasing assembly, a seedling box is installed in the cultivation box, and a plurality of cultivation grooves are formed in the seedling box; a water source is conveyed to a spraying pipe through a conveying pipe and a connecting pipe through a water pump, water is accurately sprayed to root areas of seedlings in the seedling raising box through spraying holes, the seedling raising box is arranged in the seedling raising box, the seedling raising box is arranged in the seedling raising box, and the seedling raising box is arranged in the seedling raising box. After the water absorption pad is in contact with water of expanded vermiculite particles in the expansion chamber, the water absorption pad expands to drive a soil loosening plate and soil loosening teeth to move through a sliding rail II and a sliding block II, so that the soil loosening teeth perform reciprocating soil loosening on the soil, gaps are directly generated in the soil, sufficient air is provided for the soil, the respiration of plant roots is promoted, and the soil loosening effect is improved. Tedious manual soil loosening and damage to root systems are avoided.
Owner:BEIJING SHUANGTONG HUIHE AGRICULTURAL TECHNOLOGY DEVELOPMENT CO LTD

Gradient pore structure geopolymer asphalt mixture warm mixing agent and preparation method thereof

PendingCN119330623Aincrease water capacityImprove the moisture release cycleCeramicwarePolymer scienceSODIUM SILICATE SOLN
The invention discloses a gradient pore structure geopolymer asphalt mixture warm mixing agent which is composed of the following components in parts by weight: 65-85 parts of regenerated micro powder, 15-35 parts of rice hull ash, 15-20 parts of a sodium silicate solution, 5-10 parts of sodium hydroxide and 10-20 parts of deionized water. The invention also discloses a preparation method of the geopolymer asphalt mixture warm mixing agent. The geopolymer asphalt mixture warm-mixing agent has a gradient pore structure and has no closed pores or semi-closed pores, so that the water carrying capacity in the geopolymer asphalt mixture warm-mixing agent can be greatly improved, and the pore structure is arranged in a gradient manner (gradually released from large pores to small pores), so that the water release period of the warm-mixing agent can be effectively prolonged, and meanwhile, the water release rate can be uniform; compared with a hot-mixed asphalt mixture, the geopolymer asphalt warm-mixing agent with the gradient pore structure has the advantages that the mixing temperature of the asphalt mixture can be remarkably reduced, and meanwhile, the high and low temperature performance, the water damage resistance and the fatigue resistance of the asphalt mixture can be improved.
Owner:YANGZHOU UNIV

Modern dam type determination and analysis method for water conservancy and hydropower engineering

The invention discloses a water conservancy and hydropower engineering modern dam type determination and analysis method, and belongs to the technical field of water conservancy and hydropower engineering. The method comprises the following steps: step 1, determining a characteristic water level according to flood regulation calculation; 2, the maximum dam height H is determined; 3, the maximum drainage flow Q is determined; 4, calculating the leakage height ratio R; and fifthly, the dam type is selected according to the leakage height ratio R. The dam type is selected according to the drainage height ratio, the absorption capacity of various dam types on the drainage flow can be quantitatively analyzed, the dam type selection range is narrowed, the dam type adaptive to the drainage scale and the corresponding junction building are scientifically and reasonably selected, the dam type is determined by considering the flood discharge factor, the comparison and selection time and energy can be saved, and the dam type determination efficiency is improved. In the dam type determination process, multiple professions do not need to be matched to carry out a large amount of calculation and analysis work, the dam type determination process is simplified, and the requirement for the professional level of personnel is lowered.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +2

Intelligent safety control method and device for hydraulic press

The invention discloses an intelligent safety control method and device for a hydraulic press, and particularly relates to the technical field of hydraulic press control. When external state data of the hydraulic press is not abnormal, the hydraulic press is started to detect all parts, and the instantaneous pressure of the hydraulic press is compared with a preset instantaneous pressure threshold value; if yes, a water drain valve and a vent valve are opened for pressure reduction, and whether the hydraulic press needs to be controlled to be forcibly shut down or not is judged; if not, dynamically adjusting the opening and closing of the valve according to the pressure change, maintaining the pressure when the pressure reaches a proper numerical value, obtaining a real-time change curve of the pressure within a preset pressure maintaining time, comparing the real-time change curve with a preset standard curve, and judging whether the detected part has defects or not; therefore, when defect detection is carried out on the hydraulic press part, the defect detection can be carried out on the hydraulic press part after proper detection conditions are ensured, and corresponding control measures are taken, so that the safety of the hydraulic press is ensured, and the operation risk of the hydraulic press is reduced.
Owner:HUANGSHAN LIANGYE VALVE

Compaction water release simulator

The invention discloses a compaction water release simulator, relates to the technical field of monitoring and prediction, and mainly aims to accurately simulate the compaction water release process of an aquitard and the accumulative effect of long-term land subsidence. According to the main technical scheme, the compaction water release simulator comprises a mold cylinder used for containing a soil body sample, a drainage assembly is arranged on one side of the mold cylinder in the axial direction, and a pressing rod is arranged on the other side of the mold cylinder in the axial direction; the first driving assembly is connected with the pressing rod, and the first driving assembly is used for driving the pressing rod to ascend and descend; the control assembly comprises a pressure sensor and an analysis module, the pressure sensor is connected with the first driving assembly and used for monitoring the pressure value of the first driving assembly acting on the soil body sample through the pressing rod, and the analysis module is connected with the pressure sensor and the first driving assembly and used for obtaining the pressure value; and comparing with a preset interval, and controlling the first driving assembly to move based on a comparison result.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Golf ball with increased core hardness gradient and reduced spin

Compositions including a hardness agent, a water releasing agent, and a complexing agent and golf ball cores made from such compositions having a tailored hardness gradient are disclosed. The type and concentration of the components in the composition affect the hardness, hardness gradient, and compression of cores made from the composition and, thus, can be used to produce a golf ball having desirable performance characteristics.
Owner:ACUSHNET CO

Dynamic simulation method and system for underground water flow field near fault by fusing drainage test data

The invention relates to the technical field of flow field dynamic simulation, and particularly provides a drainage test data fused underground water flow field dynamic simulation method and system near a fault, and the method comprises the steps: generating a fault three-dimensional water conductivity parameter field according to transient water level response data of a monitoring well in a drainage test; realizing conversion of dynamic data of the exploration method to a fault non-uniform quality model; integrating migration path data of a tracing test, fracture network geometric data of ultrasonic logging and a fault three-dimensional water conductivity parameter field, and constructing a heterogeneous graph structure taking a fault as a core node; establishing association between the multi-modal exploration data and the dynamic representation of the fault structure; and outputting a high-resolution spatio-temporal evolution graph of the flow field parameters of the fault disturbance area in the future period, and realizing dynamic visual closed-loop feedback of the flow field near the fault driven by real-time data of the exploration method. The system comprises a data conversion module, a representation association module and a closed-loop feedback module. According to the invention, a breakthrough from static description to dynamic simulation of the flow field near the fault is realized.
Owner:HENAN PROVINCE XUCHANG XINLONG MINING IND CO LTD +2

Water pressure drop amplitude and drainage time prediction method applied to underground porous drainage

The invention relates to the technical field of water drainage and pressure reduction of a coal mine floor aquifer, in particular to a water pressure reduction amplitude and drainage time prediction method applied to underground porous water drainage. The method comprises the following steps: delineating a water-rich abnormal area by multiple means; obtaining a water guide coefficient and an elastic water release coefficient of the target area based on the group hole water discharge test data; arranging control points at the periphery of the working face, especially at the thin position of the water-resisting layer, calculating the visual water inrush coefficient and determining the designed water level drop depth; predicting drainage time by combining the water guide coefficient and the elastic water release coefficient of each aquifer and the designed water level drop depth of the control point; according to the water-rich abnormal area, reasonably arranging drainage holes and establishing an underground porous drainage system; and the drainage system is further dynamically regulated and controlled to operate by applying the designed water level drop depth and drainage time of the control point. According to the method, the drainage time is predicted in advance, the construction progress arrangement is optimized, and the overall working efficiency is improved.
Owner:HENAN POLYTECHNIC UNIV +2

Simple field water control device

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a simple field water control device which comprises a fixed base, and a water level detection mechanism, a water control mechanism and a power mechanism are arranged above the fixed base. The water level detection mechanism and the power mechanism are located on the two sides of the water control mechanism respectively. The water level detection mechanism comprises a scale, and the water level detection mechanism achieves the action that the scale detects the water level height; the water control mechanism comprises a disconnecting link, and the water control mechanism achieves the action that the disconnecting link controls water drainage. The power mechanism comprises a storage battery, and the power mechanism achieves the action that the storage battery supplies power to the device. According to the simple field water control device, the water level detection mechanism is arranged, when the water level rises and falls to drive a scale to reach the set height, an inductor controls a hydraulic cylinder to open or close a disconnecting link, and the problem that the existing water injection and drainage amount is not easy to accurately control is solved.
Owner:ZHEJIANG HEHAI CENT CONTROL INFORMATION TECH CO LTD

Filter

To provide a filter capable of reducing pressure loss at time of air passing.SOLUTION: A filter in which a metal-organic framework is supported on a substrate, wherein the filter that has undergone a specific pretreatment (a) and a water adsorption treatment (b) satisfies the following requirements (R1) and (R2) when air at high temperature and low humidity is passed through it at a predetermined airflow rate. Requirement (R1): Obtain graph P, where the horizontal axis represents time (seconds) and the vertical axis represents the cumulative amount of water desorbed per gram of filter (g), and graph Q, where the horizontal axis represents time (seconds) and the vertical axis represents the temperature (°C) of the air downstream of the filter, grasp the time t (seconds) at which the air temperature downstream of the filter reaches its lowest point T on graph Q, and the absolute value of the slope of the straight line connecting the point (t, P(t)) on graph P at time t and the origin is 9×10-4 or greater. Requirement (R2): The cumulative amount of water desorbed after 600 seconds is 0.133 g or more per gram of filter.SELECTED DRAWING: None
Owner:SUMITOMO CHEM CO LTD

Device for accurately controlling vibration of rotary hydraulic unit

The utility model discloses a device and a method for accurately controlling the oscillation of a rotary hydraulic unit, which relate to the technical field of hydraulic equipment, and comprise a counterweight water tank, a water replenishing tank, a water collecting tank, a phase discrimination sensor and a vibration sensor, the water replenishing tank and the water collecting tank are arranged on the outer side of a main shaft of the hydraulic unit, and are respectively fixed on the upper end face and the lower end face of a rotor; the counterweight water tank is fixed to the periphery of the rotor, the water supplementing tank and the counterweight water tank are connected through a water supplementing pipe, the counterweight water tank and the water collecting tank are connected through a water releasing pipe, the water supplementing pipe is provided with two electromagnetic valves, the space between the electromagnetic valves forms an accurate liquid supplementing cavity, and the water releasing pipe is also provided with an electromagnetic valve. The phase discrimination sensor is installed on a main shaft of the hydraulic unit, and the vibration sensor is installed on a guide bearing of the hydraulic unit. The vibration balance device can be applied to an existing unit, is simple in structure and small in occupied space, guarantees the vibration balance efficiency, and also guarantees the balance accuracy and safety and the stability of the whole device.
Owner:DONGFANG ELECTRIC MACHINERY

Carbon dioxide capture apparatus, logic control system, and methods thereof

Apparatuses and methods for providing carbon dioxide direct air capture (DAC) systems to improve energy efficiency, operability, and economic performance of DAC technologies based on several types of approaches including temperature swing adsorption (TSA), pressure swing adsorption (PSA), and moisture swing adsorption (MSA) are disclosed. In particular, DAC apparatuses including a first water extraction unit, a process unit comprising a second water extraction unit, a carbon dioxide capture unit, and a water release unit are disclosed. The present disclosure also provides a logic control system for a preconditioner for the proposed DAC apparatus, including a controller, and one or more control elements in communication with the fluid streams, where the controller is configured to adjust temperature, water content, or combination thereof of the second fluid stream, third fluid stream, or both to pre-determined ranges based on the cost to capture carbon dioxide on a net removal basis.
Owner:AVNOS INC

Control method of solar power plant and related device

The invention discloses a control method of a solar power plant and a related device, and relates to the technical field of electric energy conversion, and the solar power plant comprises a controller, solar power generation equipment, a water release valve, a water storage pool, a generator and a photovoltaic standby battery. According to the method, the historical power generation data, the historical power consumption data, the historical weather forecast and the future weather forecast are combined, and various factors influencing the solar power generation quantity and the power consumption are fully considered, so that the prediction accuracy and reliability are improved. According to the scheme, when the situation of insufficient power supply possibly occurs in the future based on the prediction result, the water stored in the water storage tank is utilized to generate power and the power is stored in the photovoltaic standby battery, so that when the power supply is insufficient subsequently, the power can be supplied to the local power grid timely and stably by utilizing the timeliness and the stability of the output electric energy of the photovoltaic standby battery, and the power supply efficiency is improved. Therefore, the power generation insufficiency of solar power generation equipment is made up, and the power demand of a local power grid is met.
Owner:TIANJIN DAYU WATER-SAVING CO LTD

Device for measuring greenhouse gas on water-gas interface in water level descending process and use method of device

Reservoir is an important way for human to modify nature, CO2 accounts for 4% of manual emission, and CH4 is as high as 20%. According to the reservoir operation characteristics and the sediment greenhouse gas generation rule, CO2 and CH4 generated by sediment are obviously released in the water release period, and annual greenhouse gas emission of the reservoir mainly comes from the period. Therefore, the invention relates to a device and a measuring method for accurately quantifying greenhouse gas emission in the water level descending process, and technical support is provided for reservoir carbon circulation. A device for measuring water-gas interface greenhouse gas in the water level descending process comprises a cylindrical body, a graduated scale is arranged on one side of the cylindrical body, a foam plate is installed on the inner wall of the cylindrical body and communicated with a water pumping opening, the water pumping opening is connected with an inlet of a TPU pipe, and one end of a water pump is connected with an inlet of a water quality analyzer and an inlet of a water-gas separation device in parallel. And a gas outlet of the water-gas separation device is communicated with a gas analyzer.
Owner:CHINA THREE GORGES UNIV +1

Gate dam transforming and upgrading method adapting to downstream multi-target ecological flow demand

PendingCN119145358AReach high weir and change to low weirImpact on normal operating functionsBarrages/weirsClimate change adaptationEnvironmental resource managementEcological environment
The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a gate dam transforming and upgrading method capable of meeting the downstream multi-target ecological flow demand, which comprises the following steps: S1, newly building an upstream side gate dam at the upstream of an original gate dam, and newly building a downstream side gate dam at the downstream of the original gate dam; s2, an original gate dam is transformed, a high gate dam is changed into a low gate dam, the water retaining function is reserved, and a disassembled gate dam is formed; s3, ecological water release gates are built on dam abutments on one side or two sides of the detached gate dam in a supplementary mode; and S4, a new fishway is built at the position between the ecological drainage gate and the shoreside, and the ecological drainage gate is used for keeping normal drainage throughout the year to supplement water for the newly-built fishway. By adopting the method provided by the invention, the upgrading and reconstruction of the original gate dam not only contributes to the improvement of the ecological environment, but also can improve the efficiency and benefit of water resource management, and has remarkable environmental and economic benefits.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD +2

A lightweight coal gangue functional aggregate, its preparation method and application

The present invention provides a lightweight coal gangue functional aggregate, a preparation method thereof, and an application thereof. The lightweight coal gangue functional aggregate of the present invention comprises coal gangue, fly ash, rice husk ash, and MnO₂. Among them, coal gangue, as the main raw material, realizes the resource utilization of solid waste and greatly reduces the production cost of lightweight aggregate from the raw material cost; fly ash is a corrective raw material used to adjust the ratio of the fluxing components and refractory components of the raw materials; the compounded rice husk ash and MnO₂ are used as pore-forming agents, which can increase the porosity of the lightweight aggregate. The lightweight coal gangue functional aggregate of the present invention has excellent properties such as lightweight, high strength, high water absorption, and slow water release. It can not only realize the large-scale utilization of solid waste, conform to the national green sustainable development strategy, but also make up for the shortage of natural lightweight aggregate resources, and at the same time realize the internal curing effect on UHPC, thereby reducing the early shrinkage and cracking of UHPC and improving the mechanical properties and durability of UHPC.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Automatic high-temperature and high-pressure steam condensate water releasing device

The utility model belongs to the technical field of condensate water discharge, and provides an automatic high-temperature and high-pressure steam condensate water release device which comprises a tank body, a tank cap, a buoy cap, a buoy barrel, a flow guide block, a positioning frame and a mechanical valve, a support is arranged below the tank body, a drain outlet is formed in the bottom of the tank body, and a water outlet is formed in the side portion of the tank body; the tank cap is in butt joint with the top of the tank body to form a condensate water release cavity, and a water inlet is formed in the side portion of the tank cap. The buoy cap is arranged in the tank cap, the bottom of the buoy cap horizontally protrudes outwards to form an eaves board, the eaves board corresponds to the joint of the tank body and the tank cap, and a falling hole is formed in the surface of the eaves board; the buoy barrel is vertically arranged in the tank body corresponding to the buoy cap, and the center of the bottom of the buoy barrel extends downwards to form a connecting rod. The device can completely replace manual work to automatically discharge condensate water in the still kettle, time and labor are saved, risks caused by misoperation can be completely avoided under the condition that no manual work participates, and naturally, the personal safety of workers cannot be threatened.
Owner:YICHANG QIANGNAI GYPSUM TECHNOLOGY CO LTD +4

Air conduit system with adsorber, household appliance with air conduit system and method of operating a household appliance

An air duct system with a sorption material has a blocking and guiding system which allows a normal operating state of the air duct system without use of the sorption material and a sorption state. The sorption state helps to reduce the drying time and the energy consumption. The air duct system is used in a domestic appliance, such as a laundry dryer or a dishwasher for laundry. The water released during the regeneration of the sorption material can be used for the next washing cycle. Furthermore, a method of operating the air duct system and a computer program for a domestic appliance are disclosed.
Owner:BOSCH SIEMENS HAUSGERATE GMBH

Four-hole gas-water separator for common drill

The utility model belongs to the field of coal mine drilling blowout prevention holes, and aims to solve the problems that water and coal cinder in a hole easily and directly enter a main pipeline, gas fluctuation is easily caused by opening small negative pressure, and hidden dangers are caused to production efficiency and production safety in a traditional gas-water separation device. The utility model provides a common drill four-hole gas-water separator which comprises an upper-layer barrel, a lower-layer barrel and a pipeline connected between the upper-layer barrel and the lower-layer barrel. The upper surface of the upper-layer barrel body is provided with a pipe orifice for connecting a main pipeline negative pressure, an orifice blowout preventer, an orifice standby negative pressure and a hole wall standby negative pressure; the lower-layer barrel is located at the lower end of the upper-layer barrel, a second valve is arranged at the bottom of one side of the lower-layer barrel, and a first valve is arranged on a pipeline between the upper-layer barrel and the lower-layer barrel. The device is high in reliability, the problem that water and coal slag enter an extraction system in the drilling machine construction process can be effectively solved, and gas fluctuation caused by water drainage is avoided.
Owner:SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD

A method for predicting the water inflow of mine pits applicable to the coverage of cohesive soil

The present invention relates to the field of hydrogeology and discloses a method for predicting the water inflow of mine pits suitable for being covered by cohesive soil, which comprises the following steps: special drilling: monitoring boreholes are drilled in the mine, and undisturbed samples of cohesive soil at different positions are taken respectively, so as to obtain cohesive soil data; data monitoring: using monitoring devices to respectively observe the corresponding data of the boreholes; pumping test: a group of borehole pumping tests are carried out on the mine to obtain the shape of the groundwater flow field of the mine, and at the same time, observation data are collected in real time during the pumping process to obtain pumping test data; water release test: a special device is used to carry out a high-pressure compaction water release test on the undisturbed sample of cohesive soil. Obtaining cohesive soil data through special drilling lays a foundation for subsequent analysis. Data monitoring grasps the dynamics of cohesive soil in real time and combines with the data of special drilling to build a basis for studying its characteristics and variation laws. The pumping test studies the interaction between groundwater and cohesive soil and provides key support for prediction.
Owner:HEBEI XINJIA TECHNOLOGY CO LTD

A toughened, crack-resistant and corrosion-resistant solid waste concrete and a preparation method thereof

The present invention provides a toughened, crack-resistant and corrosion-resistant solid waste concrete and a preparation method thereof. Cement, fly ash, slag and natural aggregate are mixed; water, a weakly alkaline regulator and an admixture solution containing a polycarboxylic acid water reducer are successively added to obtain a concrete slurry; and the concrete slurry is obtained after curing. The present invention uses fly ash, slag solid waste and natural aggregate as aggregates, adds a water reducer to reduce the water consumption of concrete, improves the fluidity of concrete, and introduces a special weakly alkaline regulator particle, and utilizes its self-absorption and water-release behavior and "bridging" effect to enhance the early and late continuous hydration ability of the adhesive in the concrete, the effect of resisting autogenous shrinkage and drying shrinkage, improve the compactness and anti-corrosion performance of the concrete, and then improve the crack resistance of the all-solid waste concrete. The obtained test piece has no cracks on the surface, the 28d compressive strength reaches 46.6MPa, the 28d flexural strength reaches 8.5MPa, the autogenous shrinkage rate is 0.035%, and the drying shrinkage rate is 0.01%.
Owner:SHIJIAZHUANG TIEDAO UNIV

Water retention device for root system soil of forest seedling raising tree

The invention discloses a tree seedling growing root system soil water retention device, and particularly relates to the technical field of tree seedling growing, the tree seedling growing root system soil water retention device comprises a silica gel groove pad, a seedling growing container, a plurality of fixing blocks and a seedling growing water retention assembly; wherein the seedling culture water retention assembly comprises supporting sheets, long water absorption spiral gel strips, inclined blocks, inclined supporting sheets, short inclined water absorption spiral gel strips, bottom blocks, cotton threads, a plurality of spaced inclined blocks and spaced water absorption spiral gel strips. The seedling culture water retention assembly has the advantages that multi-dimensional water absorption is conducted on forest seedlings in a humid environment, multi-directional water release is conducted in a dry environment, the release contact area is wide, the multi-dimensional water retention requirement of roots is met, the root water environments in different directions are maintained, and the forest seedling culture quality is improved; therefore, the problems that the multi-directional water retention requirement of the root system is difficult to meet, the water retention effect of forest seedling is poor, the moisture environment required by the root system is difficult to effectively maintain, and the forest seedling quality is affected are solved.
Owner:SHIHEZI UNIVERSITY

Phase change temperature control internal curing functional aggregate for high-strength concrete and preparation method thereof

The application provides a phase change temperature control internal curing function aggregate for high-strength concrete and a preparation method thereof, and relates to the technical field of building materials. A phase change material paraffin is arranged in an inner layer, and a heat conduction water storage layer composed of carbon fibers, graphite powder, superabsorbent resin, fly ash, phosphorus slag powder, slag powder, quicklime, polyacrylamide, clear lime water and an additive is coated on the outside to form aggregate granulation and molding. The carbon fibers are connected to the dispersed graphite powder to form a heat conduction net structure with line connection points, improve the heat conduction performance, promote the heat conduction between the internal paraffin and the external environment, and the clear lime water activates the fly ash, the phosphorus slag powder and the slag powder in the ingredients to generate a hydration reaction, thereby constructing the strength of the external structure. When the temperature in the concrete is low, heat is released, the whole process is accompanied by slow water release, the double internal curing functions of temperature control and moisture are realized, the cracking of high-strength concrete caused by high hydration heat and large shrinkage is avoided, and the durability of the high-strength concrete is improved.
Owner:GUIZHOU CSCEC SHUANGYUAN BUILDING MATERIALS CO LTD

Soaking device for grain processing

The utility model discloses a soaking device for grain processing, and relates to the field of grain processing. Through the arrangement of the scale groove, a user can accurately control the water injection amount and release the water amount, and through the arrangement of the overflow port, the flow guide plate, the sealing strip, the lifting gate, the threaded sleeve, the flow guide groove, the water outlet, the threaded rod, the handle and the fixing block, the user can reduce the height of the lifting gate by rotating the threaded rod, so that the lifting gate is more convenient to use. Meanwhile, a storage box, a filter screen, a flow guide groove and a water outlet are arranged, so that the released suspended matters can be filtered by the filter screen and collected in the storage box, a user can conveniently clean the suspended matters, and the filtered water can be discharged from the water outlet along the flow guide groove, so that the suspended matters on the top layer of the soaking device main body can flow out from the water outlet along with the water flow; and suspended matters can be easily cleaned, so that the working efficiency is improved, the working intensity is reduced, and meanwhile, the smooth proceeding of the subsequent processing process and the purity of grains are ensured.
Owner:西藏阿古兴巴农产品经营有限公司

A power plant heat pipe hot water collecting assembly and power plant heat pipe

The utility model discloses a power plant heat pipeline hot water collection subassembly, including fixed link, the outer wall of fixed link is installed with the connecting water pipe, and the outer wall of connecting water pipe is provided with control valve, the lower portion of fixed link is provided with the collecting pipe, and the outer wall of connecting water pipe is through the collecting pipe, and the collecting pipe is used for collecting the hot water of connecting water pipe, the outer wall of collecting pipe is provided with the collecting mouth of being located below control valve, and the collecting mouth is used for collecting the leakage of control valve. Through setting up the collecting pipe, when the power plant heat pipeline is used daily, the hot water can be collected, improve the effect of hot water collection recovery when the power plant heat pipeline exhaust, water quality sampling, water release operation, reduce the water resource waste condition, through the connection of fixed block and hinge, rotate the turnover board, make the collecting mouth expose in the outside setting, when the hot water appears leakage, automatically drop into the collecting pipe, reach the effect of concentrated collection to the hot water of power plant heat pipeline and prevent the hot water leakage drop.
Owner:SHENZHEN ENERGY ENVIRONMENT ENG CO LTD +1

Method for improving dewatering performance of organic sludge by using polyether demulsifier

The invention relates to a method for improving the dewatering performance of organic sludge by using a polyether demulsifier, and belongs to the technical field of municipal sludge treatment. The epoxyethane / epoxypropane block polyether is utilized to effectively destroy a stable oil-water emulsification system in the organic sludge, reduce interfacial tension and promote water release, and the dehydration performance of the organic sludge is remarkably improved by destroying an oil-water interfacial film structure. By utilizing the method disclosed by the invention, the dehydration efficiency of the organic sludge can be remarkably improved, the capillary water absorption time of the sludge and the specific resistance of the sludge are remarkably reduced, the Zeta potential of the sludge becomes closer to a positive value, the median particle size of the sludge is remarkably improved, and the water content of a sludge cake is greatly reduced; the method is easy and convenient to operate, existing dehydration equipment can be directly utilized, and extra investment is not needed; the adding proportion of the demulsifier can be optimized according to actual sludge characteristics, so that the medicament cost is saved; the method provided by the invention provides an economic and efficient technical scheme for organic sludge treatment and disposal, and sludge reduction and recycling can be promoted.
Owner:GUANGDONG TECHNION ISRAEL INST OF TECH