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53 results about "Safety water" patented technology

Double-water-tank type safe water tower

The utility model belongs to the technical field of water supply and drainage engineering, and particularly relates to a double-water-tank type safe water tower which comprises a tank body, the tank body comprises an outer shell and an inner partition plate arranged in the outer shell, the outer shell comprises an upper shell part and a lower shell part, and the interior of the tank body is divided into an inner water tank and an outer water tank surrounding the periphery of the inner water tank through the inner partition plate. The inner water tank is connected with the outer water tank; an included angle between the inner partition plate and the side wall of the lower shell part is an acute angle; the supporting cylinder is located at the bottom of the box body and used for supporting the box body. According to the safe water tower with the two water tanks, continuity and stability of water supply can be effectively guaranteed, when the main water tank is repaired or breaks down, the standby water tank can supplement water in time, uninterrupted water supply is guaranteed, and water supply reliability, safety and maintenance convenience of the water tower are improved.
Owner:CISDI SHANGHAI ENGINEERING CO LTD

An auxiliary device for electrically heating a cross arm for repair

PendingCN122323088AInherent safetyThermodynamics
This invention discloses an auxiliary device for the maintenance of an electrically heated crossarm, relating to the field of safe operation assistance technology. It includes a first platform, a second platform, and a fixing device. The first platform has a lower surface adapted to the upper part of the electrically heated crossarm, allowing it to rest on the upper surface of the crossarm. The first platform includes a front, middle, and rear section extending sequentially. The fixing device is installed at the rear of the first platform to secure it to the electrically heated crossarm. The second platform is connected to the front of the first platform via a connecting assembly, ensuring that the second platform is at a lower horizontal height than the first platform and located at the end of the electrically heated crossarm. This invention solves the technical problems of high safety risks and low work efficiency during online maintenance and cable removal / installation of electrically heated water-cooled crossarms, reduces labor intensity, improves the inherent safety level of equipment maintenance, protects the lives and property of employees, and provides reliable equipment operation support for the stable production of high-end steel grades.
Owner:PANGANG GRP XICHANG STEEL & VANADIUM CO LTD

Boiler corrosion dynamic sensing and early warning method based on multi-source information fusion

The invention discloses a boiler corrosion dynamic sensing and early warning method based on multi-source information fusion, and belongs to the field of industrial equipment health monitoring, and the early warning method specifically comprises the following steps: collecting and preprocessing multi-dimensional data of operation of each boiler, and integrating the processed multi-dimensional data to generate a corresponding state feature vector; according to the invention, refined expression of the corrosion risk can be realized, the capability of identifying the corrosion hidden danger in advance and the operation safety level are effectively improved, and the perspectiveness and accuracy of early warning are improved; meanwhile, real-time monitoring and early warning of boiler corrosion can be achieved, guarantee is provided for safe operation, it is guaranteed that the early warning effect is kept optimal along with changes of time and working conditions, and the accuracy of corrosion rate prediction is remarkably improved.
Owner:NANJING GUOQING POWER EQUIP CO LTD

Intelligent drainage and pressure reduction comprehensive treatment method based on dynamic drainage density optimization

The invention relates to the field of coal mine safety mining and underground water control, and particularly discloses an intelligent drainage and pressure reduction comprehensive treatment method based on dynamic drainage density optimization, which comprises the following steps: S1, arranging a monitoring section fixed-distance grid array, and determining point location and hole sealing requirements; s2, adopting a structured mesh to subdivide the three-dimensional model; s3, describing spatial correlation between aquifer parameters and effective porosity by using a spherical variation function model, and performing universal Kriging interpolation in combination with covariables to generate a three-dimensional parameter field; s4, solving a Darwest equation based on a finite difference method to establish a three-dimensional water flow model; s5, correcting a traditional water inrush coefficient formula by using a rock mass integrity coefficient, and setting a third-level early warning threshold value; s6, determining double threshold values of the safe water level and the ecological water level; s7, well density calculation is carried out, and a function is constructed; and S8, establishing a staged drainage scheme to form an ecological regulation and control strategy. According to the method, the drainage amount can be accurately and dynamically regulated and controlled, the water inrush risk is reduced, and ecological disturbance is reduced.
Owner:GUIZHOU UNIV

Unmanned ship for inland river shipping

The utility model discloses an unmanned ship for inland river shipping, and belongs to the technical field of unmanned ships. Comprising an unmanned ship, cleaning mechanisms are arranged on the two sides of the unmanned ship correspondingly, each cleaning mechanism comprises a collecting box arranged on the side wall of the unmanned ship, an opening of each collecting box is close to the bow of the unmanned ship, a material stirring roller used for stirring garbage into the corresponding collecting box is rotationally arranged at the corresponding opening, and a garbage conveying assembly is arranged in each collecting box; a garbage treatment structure is arranged at the end, away from the stirring roller, of the garbage conveying assembly. The unmanned ship is used for salvaging garbage, time and labor are saved, efficiency is high, meanwhile, the unmanned ship is suitable for all-weather operation, the risk of casualty accidents of workers falling into water cannot be caused when tasks are executed in unsafe water areas, and the unmanned ship is very convenient to use.
Owner:HUZHOU PORT SHIPPING CO LTD

A method and device for monitoring water leakage of a copper smelting waste heat boiler

This invention provides a method and apparatus for monitoring water leakage in a waste heat boiler used in copper smelting, comprising: acquiring the average value of water supply over multiple time periods; acquiring the average value of evaporation over multiple time periods; determining a monitoring value based on the average value of water supply, the average value of evaporation, the average value of wastewater discharge, and the average value of sampling; determining whether the boiler is leaking based on the monitoring value and an alarm threshold; and if so, issuing a water balance alarm signal; thereby enabling the timely detection of leaks in the waste heat boiler, improving the intrinsic safety level of the equipment, and reducing the maintenance difficulty for maintenance personnel.
Owner:LIANGSHAN MINING CO LTD

An underground heavy oil lifting and conveying system and method

PendingCN122345208AConfined spaceWaste oil
This invention discloses an underground heavy oil spill lifting and conveying system and method, including an underground oil spill tank, an above-ground oil spill tank, a heavy oil spill pump, and a third line for conveying nitrogen. The above-ground oil spill tank is connected to the underground oil spill tank via a first line. The heavy oil spill pump is located on the ground, with its inlet and outlet connected to the underground oil spill tank and pump outlet pipeline, respectively. A self-priming return line is connected to the pump outlet pipeline and is also connected to the underground oil spill tank. The third line is connected to the underground oil spill tank and includes a nitrogen regulating valve assembly and a check valve. The nitrogen regulating valve assembly on the third line is used to pressurize the underground oil spill tank, assisting the heavy oil spill pump in achieving self-priming, avoiding confined space operations and explosion risks, solving the problem of poor flow of atmospheric pressure waste oil into the tank, ensuring reliable intake of high-viscosity oil, and significantly improving the intrinsic safety level of the device.
Owner:ZHEJIANG PETROLEUM&CHEM CO LTD

Ship cabin water inflow monitoring and alarming method and automatic drainage system

The invention relates to the technical field of alarming and automatic drainage, in particular to a ship cabin water inflow monitoring and alarming method and an automatic drainage system. The method comprises the steps that a target ship cabin is confirmed, the cabin volume is obtained, the upper limit safety water level and the lower limit safety water level are designed, and the target ship cabin and a pre-constructed drainage pipe are monitored in real time. Obtaining a water level height set and a drainage flow set; obtaining an identification water level height curve graph, an identification drainage flow curve graph, an upper limit safety water level reference line, a lower limit safety water level reference line and a drainage flow upper limit; obtaining a real-time water level height; obtaining a real-time drainage flow; the drainage capacity value is calculated according to the real-time drainage flow, a second-level alarm mode is given out, the first-level alarm mode or the early warning mode or the second-level alarm mode serves as an alarm mode, and automatic alarm of the ship cabin is achieved. The safety, the reliability and the emergency response capability of the ship cabin can be improved.
Owner:QINHUANGDAO HAOYANG MASCH MFG CO LTD

Air tank type and installation position collaborative optimization method and system, terminal and medium

The invention relates to the field of water conservancy projects, and provides an air tank body type and installation position collaborative optimization method and system, a terminal and a medium, and the method comprises the following steps: deducing an air tank initial arrangement scheme; the method comprises the following steps: extracting initial values of air tank characteristic parameters, performing numerical simulation according to the initial values, obtaining corresponding response index values, constructing a training sample library, training a prediction model by using a neural network algorithm, and realizing nonlinear mapping from the air tank characteristic parameters to response indexes; and constructing a target function based on the output of the prediction model, performing global optimization by using the prediction model in combination with an optimization algorithm, and searching a global collaborative optimization scheme of the volume and the installation position of the air tank, which not only meets the pipeline pressure-bearing standard and the premise of safe water depth of the air tank, but also minimizes an original target item. The air tank design scheme generation efficiency can be improved, the construction cost is reduced, and the method adapts to various working conditions.
Owner:HOHAI UNIV +2

A safe water cup based on fingerprint identification

The application discloses a safe water cup based on fingerprint identification, and relates to the technical field of personal drinking water containers, which comprises a bottle body and a bottle cap assembly; the bottle cap assembly is provided with a fingerprint identification module, a control unit, a transmission execution mechanism, a lock catch mechanism and a dust cover; after the fingerprint verification is passed, the control unit drives the transmission execution mechanism to act, and simultaneously releases the locking of the dust cover by the lock catch mechanism and the locking of the bottle body connection by the movable bolt; specifically, the transmission execution mechanism drives the gear transmission limiting piece to rotate, so that the first protrusion thereon is separated from the jacking of the lock catch mechanism, and the user is allowed to operate to open the dust cover; at the same time, the second protrusion thereof releases the depression of the movable bolt, so that the movable bolt is retracted under the action of the elastic piece and is separated from the limiting blind hole on the bottle body, thereby allowing the whole bottle cap to be twisted and opened. The application releases the double mechanical locking through single biological authentication linkage, and realizes the integrated intelligent drinking water scheme with high safety, anti-misoperation and anti-disassembly.
Owner:SHENZHEN XIN YUE TANG PLASTIC & HARDWARE CO LTD

Safety water monitor

1. The name of the design product: safety type water monitor. 2. The use of the design product: remote terminal unit in the field of smart water. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:ZHE JIANG SI TA KE SHU ZHI KE JI YOU XIAN GONG SI

Safe water seal

The utility model discloses a safety water seal, which relates to the technical field of safety water seals and comprises three safety water seals and two communicating pipes, a water pipe connected with a water source end is arranged at the top of one safety water seal, and an automatic valve is arranged at one end, close to the safety water seal, of the water pipe. An electrode type liquid level meter is further arranged on the inner side of each safety water seal, a communicating mechanism is arranged between the three safety water seals and one communicating pipe, a sewage discharging mechanism is arranged between the three safety water seals and the other communicating pipe, the electrode type liquid level meter judges whether the safety water seals are lack of water or not, and the automatic valve is interlocked with the electrode type liquid level meter. When the upper limit of the liquid level is detected, the automatic valve is closed, when the lower limit of the liquid level is detected, the automatic valve is opened, the height of the upper limit of the liquid level is lower than that of an overflow port of the safety water seal, the liquid levels of the multiple safety water seals are automatically controlled at the same time under the condition that only one electrode type liquid level meter and the automatic valve are used, and the problems that the water amount of an existing safety water seal cannot be accurately controlled, and resources are wasted are solved.
Owner:JIANGXI COPPER

Water-to-water nuclear reactor fuel elements

This invention pertains to fuel elements for nuclear engineering and the VVER-1200 type water-hydrodynamic reactor, and relates to improvements in the structure of VVER-1000 type fuel elements. Essentially, it modifies the structure of the bottom plug, increases the length of the fuel elements, and the length and mass of the fuel column, thereby increasing the reactor's thermal power to 3300 MW. The reactor core, composed of fuel assemblies, is manufactured taking into account the increased thermal power of the reactor and the increased height of the fuel elements within the fuel assemblies, and can be used within a reactor vessel with a geometry similar to that of a typical VVER-1000 type reactor vessel. As a result, fuel burnup is increased, thereby increasing the reactor's thermal power to 3300 MW, while maintaining the size of the VVER-1000 type reactor vessel and previous safety levels, while simultaneously increasing the overall power generation of the reactor.
Owner:JOINT CO TVEL

High-safety water treatment agent adding flowmeter protection device

The invention relates to the technical field of sewage treatment, and discloses a high-safety water treatment agent adding flowmeter protection device which comprises two liquid conveying pipelines used for conveying sewage treatment agents and a float flowmeter communicated with the liquid outlet ends of the liquid conveying pipelines, and further comprises a protection box arranged on the outer side of the float flowmeter, the liquid outlet end of the float flowmeter extends out of the protection box; the leaked liquid collecting component is communicated with the protection box and is used for collecting the leaked medicament; the alarm component is arranged on the leaked liquid collecting assembly and used for sending out an alarm signal when leakage occurs; and the recycling assembly is communicated with the leaked liquid collecting assembly and is used for recycling the collected medicament. The high-safety protection device for the water treatment agent adding flowmeter aims at solving the problems that in the prior art, when a connector of a float flowmeter collapses and leaks liquid, an agent is directly exposed, monitoring, alarming and recycling cannot be conducted, and therefore safety accidents and environmental pollution are caused.
Owner:KUSN HULI MICROELECTRONICS

Water conservancy pipeline carrying device with high safety

The utility model relates to the technical field of pipeline carrying, and discloses a high-safety water conservancy pipeline carrying device which comprises a pushing plate and a placing assembly arranged at the top of the pushing plate, and further comprises a protection plate arranged on one side of the placing assembly, a supporting shell is connected to the top of the pushing plate in a bolted mode, and a guide block is fixedly connected to the bottom of the supporting shell; a sliding groove is formed in the top of the pushing plate; through the cooperation of the protection plate, the supporting shell and the limiting mechanism, the protection plate can protect a pipeline, the situation that the pipeline is disengaged due to the uneven ground during transportation is effectively reduced, and therefore the quality of the pipeline is improved, and meanwhile under the cooperation of the transmission mechanism, the installation shell, the fixing shell and the threaded rod, the pipeline is prevented from falling off. The position of the handle can be adjusted according to the height of a worker, the back pressure of the worker is reduced, the worker can push the device conveniently, and therefore the comfort of the worker is improved.
Owner:ANHUI TONGYI CONSTRUCTION CO LTD

Drinking water ordering method, system and equipment based on AI technology and medium

The invention relates to a drinking water ordering method, system and device based on the AI technology and a medium, and relates to the technical field of intelligent water affairs, and the method comprises the steps: generating an initial order based on a historical purchase record according to the remaining water amount monitored in real time when the water amount reaches the triggered ordering water amount based on the change of the water drinking habit of a user; and if the current triggered order water quantity exceeds the allowable range compared with the previous change, triggering the AI telephone to confirm the order in the time period before the residual water quantity is higher than the safe water quantity. According to the application, the creation of the order can be quickly triggered based on the dynamic data of the user-side drinking water, and the behavior preference of the user can be synchronously adapted in response to sudden water consumption fluctuation caused by climate, so that the water supply continuity and the order circulation efficiency are improved.
Owner:FOSHAN YUHE TECHNOLOGY CO LTD

A three-dimensional visualization monitoring method for groundwater level of deep foundation pit

The application discloses a kind of deep foundation pit underground water level three-dimensional visualization monitoring methods, comprising: generating the three-dimensional underground retaining wall of deep foundation pit;Automatic generation and update are located in the three-dimensional underground retaining wall of deep foundation pit in pit inside and outside water level fitting three-dimensional curved surface diagram;Automatic identification and mark the highest point and the lowest point of pit inside and outside water level;Mark the depth of underground safety water level of deep foundation pit;Automatic generation and update are in three-dimensional position of the relief well of opening state;According to pit inside and outside water level fitting three-dimensional curved surface diagram and its highest point and the lowest point of pit inside and outside water level, and three-dimensional position of pit inside relief well in opening state, three-dimensional visualization monitoring is carried out to deep foundation pit underground water level.The application can carry out visualization monitoring to deep foundation pit underground water level, improves the comprehensiveness, accuracy and timeliness of monitoring.
Owner:SHANGHAI CONSTRUCTION GROUP CO LTD +2

Safe water replenishing device and safe water replenishing method

The invention belongs to the technical field of chemical solution etching, and discloses a safe water supplementing device and a safe water supplementing method.The safe water supplementing device comprises a reaction tank, a liquid supplementing pipe and a cleaning pipe; wherein a reaction solution is contained in the reaction tank; one end of the liquid supplementing pipe is communicated with an external reaction water source, the other end of the liquid supplementing pipe is communicated into the reaction tank, and the liquid supplementing pipe is used for quantitatively supplementing reaction water into the reaction solution in the reaction process; one end of the cleaning pipe is communicated with an external cleaning water source, the other end of the cleaning pipe is communicated into the reaction tank, the cleaning pipe is used for introducing cleaning water into the reaction tank after the reaction is finished and all the reaction solution in the reaction tank is emptied, and the diameter of the liquid supplementing pipe is smaller than that of the cleaning pipe. According to the safe water supplementing device, a water supplementing pipeline and a flushing pipeline can be separated, so that the water supplementing amount is accurately controlled, and the safety problem caused by instant gasification of water in the reaction tank is avoided.
Owner:SUZHOU KZONE EQUIP TECH

New tunnel culvert automatic drainage early warning linkage system

The application discloses a novel tunnel culvert automatic drainage early warning linkage system and relates to the technical field of municipal drainage. Water level sensing and a primary response end collect water depth. Three threshold values of early warning water level, drainage starting water level and dangerous water level are compared. When the drainage starting water level is reached, the automatic drainage pump is started. According to the water level drop rate, the drainage capacity abnormality is evaluated. On-site forced control and secondary alarm end switch the municipal traffic signal lamp to red light through the standard signal interface at the same time of starting drainage, and sound and light warning is carried out. Remote early warning and system reset end push the graded early warning to the remote platform through multi-mode communication, and link the IP camera to capture the on-site video. After the water accumulation is reduced to the safe water level, the system is automatically reset. If the water level rises during the reset process, the system is immediately interrupted. The application realizes the integrated linkage of water accumulation detection, forced traffic control, on-site secondary alarm and remote platform monitoring, and improves the traffic safety and emergency response capability under the tunnel culvert water accumulation scene.
Owner:余俊贤

Filtering device for backflow water of submerged chain conveyor

The utility model relates to the field of water circulation equipment of a submerged chain conveyor, in particular to a filtering device for reflux water of the submerged chain conveyor, which comprises a reflux tank, a first filtration tank; a second filtration tank; one end of the shunting pipeline is connected with the return tank, and the other end of the shunting pipeline is respectively connected with the first filtering tank and the second filtering tank; the filtering inclined nets are obliquely arranged in the first filtering tank and the second filtering tank respectively; the discharging hand holes are respectively formed in the outer walls of the first filtering tank and the second filtering tank; the standing tank is respectively communicated with the first filtering tank and the second filtering tank, the standing tank is provided with an overflow port, and a precipitation conical hopper is arranged at the bottom of the standing tank; and the collecting tank is connected with the overflow port. Impurities in backflow water of the slag dredger are filtered, so that water flowing back into the water supplementing tank is clear, the sensitivity of the water supplementing detection switch is not affected, and it is guaranteed that water in the water supplementing tank is always at a safe water level.
Owner:SHANXI ZHONGKE TONGHUI NEW ENERGY CO LTD

Safety water bottle

1. Name of the product in this design: Safety Water Cup. 2. Purpose of this design: for drinking water. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.
Owner:SICHUAN QIANLIN TECHNOLOGY CO LTD

Sluice safety control method and control system based on running water level change

The invention discloses a sluice safety control method and system based on operation water level change, and the method comprises the following steps: collecting water level original data, and carrying out the preprocessing of the water level original data, and obtaining standardized water level data; calculating a water level change rate in unit time, and a water level change amplitude and a water level fluctuation frequency in a continuous time period; setting a safe water level threshold value, a water level change rate threshold value and a water level fluctuation frequency threshold value of water gate operation, and comparing the water level change rate in unit time and the water level change amplitude and the water level fluctuation frequency in a continuous time period with the corresponding threshold values to obtain a comparison result; a corresponding water gate control instruction is generated based on the comparison result, and the gate opening degree, the gate opening and closing speed and emergency closing are adjusted according to the water gate control instruction; and the actual opening degree, the opening and closing speed and the operation vibration parameters of the gate are collected in real time, gate state parameters are obtained, and the collected gate state parameters are fed back to the terminal.
Owner:东海县青湖闸管理所

Water transportation safety management method and system, electronic equipment and readable storage medium

The invention relates to the technical field of water transportation, and discloses a water transportation safety management method and system, electronic equipment and a readable storage medium. According to the method, route information of a second ship plan is received, or ship information of a second ship within a safe distance range from a first ship is continuously obtained, the route of the second ship is predicted, and collision early warning information is sent; and drawing up a safe water area by taking the meeting point of the route of the second ship and the route of the first ship as the center, and sending the position information of the safe water area. According to the technical scheme, early warning can be performed on encounter and possible collision in the encounter in advance, sufficient reaction time is won for the next sailing plan of the ship, one ship drives into a safe water area, the other ship drives away from the safe water area to smoothly and effectively avoid the ship, collision accidents caused by the encounter of the ship are effectively avoided, and the safety of the ship is improved. The occurrence of water traffic accidents is reduced, and a good positive effect is achieved on safety management or early warning of water traffic.
Owner:WUHU LUGE LOGISTICS TECHNOLOGY CO LTD

Water leakage monitoring system with high safety protection

The utility model relates to the technical field of water leakage monitoring, in particular to a water leakage monitoring system with high safety protection, which comprises a water leakage detector, a water leakage converter, a first power supply and a main control board, the water leakage converter comprises a first control module, an isolation power supply module, a photoelectric isolation module, a switch module and a first communication module; the main control board is provided with a second control module and a second communication module; and the water leakage detector is electrically connected with the first control module. According to the utility model, the isolation power supply is arranged between the first power supply and the water leakage converter, so that the insulation capability of the water leakage detector and the water leakage converter can be effectively improved; in addition, the photoelectric isolation module is arranged between the first communication module and the second communication module, so that the water leakage converter also has relatively strong insulation protection capability between the main control board and the power grid.
Owner:GUANGDONG HIWAVE TECH

Oil spill monitoring and automatic protection device and method for drinking water intake

PendingCN122361380AWater sourceControl cell
This invention provides an oil spill monitoring and automatic protection device and method for drinking water intakes. The device includes a monitoring unit, a control unit, and an execution unit. The monitoring unit is deployed in the upstream water area of ​​the intake to monitor oil spill pollution on the water surface and in the water in real time, generating monitoring data. The control unit is communicatively connected to the monitoring unit and is used to receive and process the monitoring data to determine whether an oil spill event has occurred, and to issue an interception command when an oil spill event is determined to have occurred. The execution unit includes a barrier device and a drive mechanism for driving the barrier device. The barrier device is deployed in the upstream water area of ​​the intake, and the drive mechanism is communicatively connected to the control unit. The drive mechanism is used to receive the interception command and control the barrier device to intercept the oil spill. This invention can automate the process from risk perception to protective action, completing the blockage before the oil spill reaches the intake, gaining valuable time for manual handling, and improving the emergency response capability and safety level of drinking water sources.
Owner:CHINA WATERBORNE TRANSPORT RES INST

Safe water pump supercharging power-saving device

The utility model relates to the technical field of water pump pressurization, in particular to a safe water pump pressurization power-saving device which comprises a pressurization device body, a water inlet pipe and a water outlet pipe are arranged on the two sides of the pressurization device body respectively, a first application pipe is arranged on the outer side of the water outlet pipe in a sleeved mode, and a second application pipe is arranged on the outer side of the water inlet pipe in a sleeved mode. The water inlet pipe comprises a movable pipe and a fixed pipe arranged on the outer side of the movable pipe in a sleeving mode, one end of the movable pipe is fixedly connected with the water inlet end of the supercharging device body, and the second application pipe is arranged on the outer side of the fixed pipe in a sleeving mode. Through cooperative use of the fixed pipe and the movable pipe, the connection position of the supercharging power-saving device and the water pump water conveying pipe can be buffered under the action of the spring, the situation that the pipeline connection position is loosened due to the fact that water flow impacts the supercharging power-saving device during supercharging is reduced, and the use effect is improved.
Owner:ANHUI XINLAN NEW ENERGY TECHNOLOGY CO LTD

Geothermal mining and filling equipment special for mine geotherm

The utility model discloses terrestrial heat mining and filling equipment special for mine terrestrial heat, which relates to the technical field of energy-saving equipment, and comprises a pump well module and a heat exchange module, the pump well module comprises a pipe sleeve, a water filter pipe, a vertical pipe and a support component; the upper part of the vertical pipe is arranged in the inner cavity of the pipe sleeve, and the lower end of the vertical pipe is arranged in the inner cavity of the pipe sleeve or the inner cavity of the water filtering pipe; the diameter of the supporting assembly is increased when the supporting assembly is subjected to vertical pressure, and therefore abutting limiting between the supporting assembly and the inner wall of the pipe sleeve is achieved. The multiple supporting assemblies are sequentially arranged from top to bottom in a compression joint mode. After being pressed, the supporting assembly can expand to abut against the inner wall of the pipe sleeve, so that limiting and supporting of the supporting assembly and the vertical pipe are achieved, the amplitude and frequency of vibration and shaking of the vertical pipe are reduced, the amplitude and frequency of local bending of the vertical pipe are further reduced, the structural stability is improved, and operation safety is guaranteed. Impact of water flow can sequentially pass through the vertical pipe, the supporting assembly and the pipe sleeve and is finally transmitted into surface soil, and the problem that in the prior art, the vertical pipe independently absorbs impact kinetic energy and is damaged is solved.
Owner:SHANDONG FANGYA GSHP TECH

Water quantity readjusting device suitable for spraying system of coal mining machine

The utility model belongs to the field of spray cooling systems of coal mining machines, and particularly relates to a water quantity readjusting device suitable for a spray system of a coal mining machine. Comprising a water distribution cavity, the water distribution cavity is provided with a water inlet and a plurality of water outlets, the water inlet of the water distribution cavity is connected with a water supply pipe of a spraying system of the coal mining machine, the water outlets of the water distribution cavity are connected with all water using positions of the coal mining machine through water conveying pipes respectively, and adjusting valves are independently installed on the water outlets of the water distribution cavity respectively. A safety water valve is mounted on a water inlet of the water distribution cavity; according to the water quantity readjusting device suitable for the spraying system of the coal mining machine provided by the utility model, water conveying pipes at all water using positions of the coal mining machine are connected into the water distribution cavity, and the adjusting valves are additionally arranged at the joints so as to ensure that the water quantity change can be adjusted according to field conditions, so that enough atomizing and cooling effects are ensured; atomization and cooling are achieved after water is supplied to the main pipeline, the water supply amount is more reasonable, and water resources are used and utilized efficiently.
Owner:JINCHENG QINXIU COAL CO LTD

Safe water level testing device for toilet flushing water tank

The utility model relates to the technical field of flushing tank testing, in particular to a safe water level testing device for a toilet flushing tank. The device is characterized in that the device comprises a testing mechanism, and the testing mechanism comprises a lifting part and a distance measuring unit; when the water tank is tested, the telescopic piece drives the signal receiving piece and the horizontal laser emitting unit to extend into the water tank; when water is supplied, the water level in the water tank is controlled to be aligned with all the water level marking lines, then the telescopic piece is used for controlling the signal receiving piece to make contact with the water level, the distance measuring unit is started to measure the distance between the signal receiving piece and the distance measuring unit, and the distance between all the water level lines is obtained through calculation and is the safe water level. When no water is supplied, the horizontal laser emitting unit is started to emit horizontal laser to the inner side wall of the water tank, the horizontal laser is controlled to be aligned with the water level marking lines, the distance between the signal receiving piece and the horizontal laser emitting unit is measured, and the distance between the water level lines is obtained through calculation.
Owner:CHONGQING ACAD OF METROLOGY & QUALITY INST