82results about How to "No routine maintenance" patented technology

The invention discloses a liquid piston thermomotor and a boiler using the liquid piston thermomotor. The liquid piston thermomotor comprises a first cylinder, a second cylinder, a heater, a heat regenerator and a cooler. Liquid pistons with the bottoms communicated are arranged in the first cylinder and the second cylinder, the heater, the heat regenerator and the cooler are sequentially connected, the first cylinder is connected with the heater, and the second cylinder is connected with the cooler. The liquid piston thermomotor further comprises a power output pipe. The first end of the power output pipe is provided with a power output port and stretches into the first cylinder or is connected with the bottom of the first cylinder, so that reciprocating power can be output to the external through the second end of the power output pipe. The liquid piston thermomotor and the boiler using the liquid piston thermomotor are low in cost, small in noise and environmentally friendly and save energy.

The invention discloses a mute water discharging pipe, belonging to the field of pipe materials. The mute water discharging pipe not only has a good noise reducing effect, but also has good mechanical performance, and has a three-layer structure, wherein the inner layer and the outer layer are polypropylene felts, and the middle layer is a sound-absorbing core layer; and the sound-absorbing core layer comprises the raw materials in parts by weight: 100-200 parts of polypropylene resin and 20-100 parts of noise-absorbing material, wherein the polypropylene resin is made of block copolymerized polypropylene, homopolymerized polypropylene or random copolymerized polypropylene; and the noise-absorbing material is selected from at least one of wollastonite, calcium carbonate, talcum powder, barium sulfate and silicon dioxide. The mute water discharging pipe disclosed by the invention has the advantages of excellent muting effect, superstrong chemical corrosion resistance, excellent high temperature resistance, good impact resistance, long service life and the like.

The invention discloses an LED (light-emitting diode) operating lamp adjusting the size and the shape of a lighting facula. The operating lamp is composed of a main lighting light source and an auxiliary lighting light source, wherein the two part light sources are realized through an LED array, the main lighting light source is divided into six regions which are respectively defined as W0,W1,W2,W3,W4 and W5; the auxiliary lighting light source is divided into two regions which are respectively defined as V1 and V2, each region is internally provided with a group of LED monomers, whether each group of LED monomers is lightened is controlled by a singlechip through a relay, and combinations of different regions form different sizes and shapes of irradiation faculae; and the main lighting light source and the auxiliary lighting light source also can realize adjustment of the lighting angle of a light source respectively through an angle adjusting mechanism, and the LED operating lamp realizes the control of switching-on and switching-off of a power switch, the size and shape of the main lighting or auxiliary lighting faculae size and the lighting angle through a key state on the control panel. Users adjust the required lighting effects through a control button according to the real lighting field requirement.

The invention belongs to the field of pipes, relates to an enhanced drainage pipe and mainly relates to a superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe which is suitable for wastewater discharging, engineering transforming projects and home decoration of villa communities, high-rise residential communities, high-grade residential apartment communities and the like and industrial building fields like water discharging, sewage discharging, waste discharging and the like of industrial enterprises. The superstrong-muting PE composite drainage pipe is a multilayer composite body formed by a high-density polyethylene resin inner layer, a middle PE micro-foamed layer and a high-density polyethylene resin outer layer, the thickness ratio of the inner layer, the middle layer and the outer layer is 1:4:1, and the PE micro-foamed layer is composed of regenerated polyethylene resin powder, inorganic filler or organic filler, natural fibers, a cross-linking agent, a coupling agent, a lubricating agent, a foaming agent and an antioxidant. The superstrong-muting PE core layer micro-foamed drainage pipe has excellent denoising and muting performance, superstrong resistance to chemical corrosion and good impact resistance.

The invention discloses a pile board basic method of an ultra high voltage electric power pylon used on soft foundation, which comprises the following seven steps: first, constructing tree root pile; second, digging foundation ditch; third, chipping the tree root pile and then building inverted cone; fourth, constructing a base plate; fifth, constructing a base pillar; sixth, backfilling the foundation ditch; and seventh, installing a tower frame; the tree root pile is connected with the base plate through the inverted cone, the base plate is connected with the base pillar, and the top of the base pillar is provided with a stone bolt which is connected with the tower frame. The method has the advantages of convenient construction, simple operation, stable and firm foundation, reliable bearing capacity, small uneven settlement and low cost. The method provides a stable and reliable foundation model for an ultra high voltage electric power pylon built on soft foundation with relatively thick soft soil horizon but hard shell horizon with certain thickness, which has the advantages of effectively utilizing the bearing potential of the hard shell horizon, reducing the excavated volume of earthwork, lowering the construction cost and construction difficulty, and needing no daily maintenance work.

The invention relates to air coolers, a cooling system comprising the air coolers and a temperature regulating and balancing method for a CT (Computed Tomography) scanning machine. A plurality of negative pressure fans are arranged on the back side of a condenser of each air cooler in an array form; a condensation water tank is also arranged below the condenser; a water pump is arranged in the condensation water tank; a porous spraying pipe is arranged at the upper end of the condenser and is connected with the water pump through a pipeline; the cooling system comprises a CT scanning machine, two parallel air coolers, a receiving controller, a transmitting processor, a bulb tube temperature sensor, a condenser temperature sensor, a detector temperature sensor and a displacement sensor; a cold air outlet of the auxiliary air cooler is connected into the main air cooler through a connector and is connected with a cold air outlet of the main air cooler in parallel; the cold air outlet of the auxiliary air cooler and the cold air outlet of the main air cooler are jointly communicated with an air inlet of a rack through a cold air pipeline. According to the invention, no condensation water is stored in the air coolers, so that the energy efficiency of refrigeration is improved; the cooling system directly refrigerates a CT scanning rack, so that air temperatures of the CT bulb tube and a detector assembly in the scanning rack are reduced.

The invention discloses a liquid piston hot air engine. The liquid piston hot air engine comprises a first air cylinder, a second air cylinder, a heater, a heat regenerator, a cooler and a power output pipe, wherein liquid pistons communicated with the bottoms are arranged inside the first air cylinder and the second air cylinder; the heater, the heat regenerator and the cooler are sequentially connected; the first air cylinder is connected with the heater; the second air cylinder is connected with the cooler; the cooler comprises an air-cooling pipeline exposed in air, a water-cooling pipeline connected with the air-cooling pipeline and a water jacket covering the water-cooling pipeline. The liquid piston hot air engine provided by the invention has the advantages of good cooling effect and stable working property.

The invention belongs to the technical field of musical instruments, and particularly relates to a portable vertical bamboo flute. The portable vertical bamboo flute comprises a flute head, or comprises a flute head and at least one tubular body connected with the flute head. The flue head is in the shape of a cylinder with one open end. A hollow flute head cavity is formed in the flute head. The other end of the flute head is closed and is provided with a mouthpiece which is communicated with the flute head cavity. One end of the flute head is provided with a flute head connecting ring. The outer diameter of the flute head connecting ring is smaller than that of the flute head. The flute head is formed by injection molding. The tubular body is formed by injection molding or extrusion molding. The portable vertical bamboo flute has the advantages of being stable in molding, free of cracks, free of smelliness or mildew, cleaner, more sanitary, better in toughness, higher in strength, detachable, easier to carry, elegant and attractive in appearance, short in processing period, small in manual investment, and low in selling price.

The invention discloses an axial flow magnetic suspension permanent magnet hydro-generator. The axial flow magnetic suspension permanent magnet hydro-generator comprises a volute, a rotor shaft, a left suspension magnetic bearing, a right suspension magnetic bearing, a left limiting assembly, a right limiting assembly, a hydro-generator set, a first flow guiding assembly and a second flow guiding assembly, wherein the volute is provided with a water inlet; the rotor shaft is arranged in the volute and the rotor shaft and the volute are provided with the same axis; the left suspension magnetic bearing and the right suspension magnetic bearing are arranged in the volute and the left suspension magnetic bearing, the right suspension magnetic bearing and the volute are provided with the same axis; the left limiting assembly and the right limiting assembly are arranged at the two ends of the volute correspondingly and used for axially limiting the rotor shaft; the hydro-generator set is arranged on the rotor shaft; the first flow guiding assembly is arranged in the volute and used for guiding entered water to the hydro-generator set; and the second flow guiding assembly is used for guiding water in a cavity out of the two ends of the volute. The two ends of the rotor shaft are arranged in the left suspension magnetic bearing and the right suspension magnetic bearing in a penetrating mode correspondingly and always suspended on the axis of the volute and not eccentric under the radial repulsive force action of the left suspension magnetic bearing and the right suspension magnetic bearing. The two ends of the rotor shaft abut against the left limiting assembly and the right limiting assembly correspondingly. The axial flow magnetic suspension permanent magnet hydro-generator is simple in structure and high in power generating efficiency.

The invention relates to a water purification pipe automatically sterilizing water flow. The water purification pipe comprises a pipe body and a water flow generator and is characterized in that the water flow generator is fixed on the pipe body; generator impellers are installed in the pipe body; and ultraviolet lamps are fixed on the inner wall of the pipe body and are electrically connected with the water flow generator. The water purification pipe can be installed on a water pipe, and the generator generates power by utilizing the water flow in the water pipe to supply power to the ultraviolet lamps to emit light so as to have ultraviolet light sterilization effect, thus having the effect of treatment while use. The water purification pipe has the following beneficial effects: the water purification pipe has simple structure, reasonable design and the function of sterilization while use and can be installed on the water pipe; after the water valve is opened, the water flow voluntarily starts the generator to work to provide continuous power to the ultraviolet light emitting diode (LED) to work so that the ultraviolet LED is unnecessary to be externally connected with the power supply; and the water purification pipe is suitable for any water pipe.

The invention discloses night luminous house ventilation equipment which comprises a structure bracket and a photovoltaic component arranged at the top of the structure bracket, wherein the structure bracket is composed of multiple main skeletons arranged in parallel and brackets connected between the main skeletons; a luminous rain baffle is arranged above the structure bracket; arc outer casings are symmetrically arranged on the two sides of the structure bracket; symmetric air outlets are formed between the rain baffle and the outer casings on the two sides; a middle suspending valve plate and an electric push rod are arranged at the air outlets on the structure bracket; one end of the middle suspending valve plate is articulated with the structure bracket while the other end is connected with the electric push rod; and the electric push rod drives the middle suspending valve plate to control the opening / closing of the air outlets. The equipment disclosed by the invention has the advantages of light structure weight, good ventilation effect, low local resistance, convenience in mounting, simplicity in operation, good lighting effect, resistance to rain and snow, no energy consumption, conversion of luminous energy stored at daytime into electric energy, illumination at night and the like.

The invention concerns a rail crossing device (1) designed for crossing a first rail (5) embedded in a road surface (4) with a guide rail (21), embedded in the road surface (4). It comprises at least one extensible portion (32) provided in the guide rail (21) and at least one manoeuvring means (33). This manoeuvring means (33) is designed to extend and contract the extensible portion (32) in a lengthwise direction, defining a contracted position in which one end (28) of the guide rail (21) is separated from the first rail (5) to allow a vehicle or any other movable device to travel along this rail, and an extended position in which said end (28) of the guide rail (21) is moved towards the first rail (5) in order to guide a vehicle onto the guide rail (21).

The invention provides a cooling device for a variable propeller cabinet and a wind power generation unit. The cooling device for the variable propeller cabinet comprises a heat collection device and a condenser, wherein the heat collection device is arranged at the heating part of the variable propeller cabinet and is communicated with the condenser through a pipeline to form a loop; and a cooling medium is arranged in the loop, vaporizes through absorbing heat in the heat collection device, is liquefied through releasing the heat in the condenser and carries out circulation movement in the loop. According to the technical scheme provided by the invention, the problem about over temperature of the variable propeller cabinet is effectively solved, so that the wind power generation unit cannot shut down due to over temperature of the variable propeller cabinet, and the availability and the whole machine income of the wind power generation unit are increased; and the whole body of the variable propeller cabinet is ensured to be at lower temperature, so that a good working environment is provided for an electric element in a cabinet body, the reliability of the electric element is improved, and the service life of the electric element is prolonged. The cooling device has a simple structure, is convenient in installation and has higher reliability and longer service life.

The invention discloses a gas-expansion-type temperature-light-sensitive thermotropic gravity center automatic adjustment device which includes a liquid storage bin, a center installation connection reservation location, heat-sensitive energy absorbers, a vertical and horizontal indicator and an installation avoidance location. The liquid storage bin includes liquid storage bin units, a liquid storage compensation bin and thermal-expansion gas accommodating bins. The liquid storage compensation bin is located at the middle of the device. The liquid storage bin units and the thermal-expansion gas accommodating bins include a plurality of units which are uniformly distributed and are mutually connected so that a cone is formed to surround the liquid storage compensation bin to the center. Each liquid storage bin unit is in connection and communication with the liquid storage compensation bin. The liquid storage bin is fully filled with a high-density liquid. The device is convenient to use, sensitive to a thermal source, capable of meeting demands of direction tracking of the thermal source and sun facing, simple in structure, convenient to disassemble, low in cost, flexible in precision, capable of forming system independently, and capable of automatic adjustment, free from daily maintenance, zero in energy consumption and capable of being used as a thermosensitive adjustment driving assembly and a sun-facing sensing driving device.

The invention discloses the preparation and application method of polyurethane fireproof blockage. The polyurethane fireproof blockage is made by the chemical reaction of multi-isocyanate and polyether polyol containing flame retardant. The preparation method includes: adding the flame retardant into the multi-isocyanate and the polyether polyol respectively, then blending and agitating, finally generating the flexible or rigid polyurethane fireproof blockage by foaming, expanding and curing after the chemical reaction. The application method includes: blending and agitating the multi-isocyanate with the polyether polyol containing the flame retardant, priming and spraying the liquid state material onto positions and equipment requiring protection before the foaming of the liquid state material, then flame retardation takes effect at the positions requiring protection after foaming, expanding and curing.

The invention relates to a novel environment-friendly waste gas treatment system for paint spraying and baking equipment for paint spraying and drying operations of automobiles or other workpieces. The novel environment-friendly waste gas treatment system is characterized in that a platform air outlet of a paint spraying and baking booth is communicated with an air inlet of an air duct A, an outlet end of the air duct A is communicated with an air inlet of a paint mist separation device, an air outlet of the paint mist separation device is communicated with an air inlet of an odor purifying device through an air duct B, and an air outlet of the odor purifying device is communicated with an air inlet of an exhaust fan of an exhaust device. By combination of the paint mist separation device and the odor purifying device, volatile harmful substances and odorous gases generated in a paint spraying process can be eliminated effectively and thoroughly, solids in waste gas can be removed stably and thoroughly, pollution of the exhaust ducts and the exhaust fan is avoided, the problem of manual cleaning and maintenance is avoided as well, and particulate matters in the gas emitted to the atmosphere are guaranteed against limit exceeding to realize direct emission.

The invention discloses house ventilation equipment with an effect of filtering pollutants. The house ventilation equipment comprises a structural bracket and a photovoltaic module arranged at the top of the structural bracket; the structural bracket is composed of a plurality of main skeletons arranged side by side and brackets connected between the main skeletons; rain shields are arranged above the main skeletons; circular arc outer casings are symmetrically arranged at both sides of the structural bracket; symmetrical air outlets are formed at both sides between the rain shields and the outer casings at both sides; center-pivoted valve plates and electrical push rods are arranged at the air outlets on the structural bracket; and pollutant filters are symmetrically arranged at the air outlets at both sides. The house ventilation equipment has the advantages of light structural dead weight, good ventilation effect, low local resistance, convenience for installation, simplicity for operation, good lighting effect, rain and snow prevention, no energy consumption, pollutant filtration, sterilization and the like.

The invention discloses a roof ventilation device capable of automatically purifying air. The roof ventilation device comprises an integrated frame and a photovoltaic component arranged on the top of the integrated frame, wherein the integrated framework is composed of multiple main frameworks arranged side by side and brackets among the multiple main frameworks; a rain baffle is arranged above the main frameworks; the bracket below the rain baffles is provided with a motor; two sides of the integrated frame are symmetrically provided with external arc-shaped protective plates; symmetrical vent holes are formed in positions at the lower sides of spaces between the rain baffle and the external protective plates on two sides; the parts, at the vent holes of the main frameworks are provided with valve plates; the parts, at the vent holes of the brackets below the valve plates are symmetrically provided with air purifiers; one end of each valve plate is articulated with the corresponding main framework, and the other end of each valve plate is connected with the motor which is connected with the photovoltaic component capable of supplying power to the motor. The roof ventilation device has the advantages of light structure self weight, good ventilation effect, local resistance, convenience in installation, simplicity in operation, good in daylighting effect, rain resistance and snow resistance, no energy consumption, air purification capability, less pollution and the like.

The invention mainly relates to the technical field of greening projects and rainwater recycling, in particular to a rainwater storage recharging module and system which are suitable for urban green land. The rainwater storage recharging module comprises a closed water storage tank buried underground, and water collecting openings communicated with a water storage cavity inside the water storage tank are formed in the top face of the water storage tank; the rainwater water-storage returning module further comprises a breather pipe installed on the water storage tank and reverse recharging guiding cores capable of generating the capillary effect; the lower end of the breather pipe extends into the water storage cavity of the water storage tank, the upper end of the breather pipe extends out of the water storage tank, the lower ends of the reverse returning guiding cores similarly extend into the water storage cavity of the water storage tank, the upper ends of the reverse returning guiding cores also extend out of the water storage tank so that the reverse returning guiding cores can extend into a planting soil layer upwards, and when the water content in soil of the planting soil layer is decreased, water in the water storage cavity is compensated to the planting soil layer through the capillary effect of the reverse returning guiding cores. After once investment, daily use cost does not exist, and daily maintenance is not required.

The invention discloses a sealing assembly adopting non-contact mechanical sealing and used for preventing lubricating oil leakage. The sealing assembly comprises a sealing graphite static ring and a dynamic sealing ring. A wavy spring acting the pretension force effect is arranged on the rear end face of the sealing graphite static ring, and fluid dynamic pressure grooves are additionally formed in the working end face of the dynamic sealing ring in a surrounding and evenly distributed mode. Half of the working end face on the outer side of the sealing graphite static ring is attached to a sealing dam of the dynamic sealing ring, and half of the working end face on the inner side of the sealing graphite static ring is attached to the excircle sides of the fluid dynamic pressure grooves and the sealing dam. The sealing assembly is compact in structure and easy to install and does not need to be daily maintained; under the normal working condition, no contact abrasion between the dynamic ring and the static ring exists, a large amount of heat due to friction cannot occur, thus, the service life is long, and the sealing assembly is particularly applicable to high-speed rotary sealing; and if the device is well operated, the zero-abrasion-and-zero-leakage effect can be achieved.

The invention relates to a superconducting pipe measurement and control vibration device. The technical problem that an existing superconducting pipe is low in heat exchange efficiency is solved. The superconducting pipe measurement and control vibration device comprises a superconducting pipe body with the two closed ends. A connecting conducting pipe is arranged in the superconducting pipe body and extends in the axial direction of the superconducting pipe body. The upper end of the connecting conducting pipe extends out of the superconducting pipe body. A heat conduction working medium outlet is formed in the upper end of the superconducting pipe body. A first heat exchanger is arranged at one end of the superconducting pipe body, and a second heat exchanger is arranged at the other end of the superconducting pipe body. A vibration flow guide mechanism is arranged between the connecting conducting pipe and the heat conduction working medium outlet. An expansion and shrinkage air bag is arranged on the superconducting pipe body. The superconducting pipe measurement and control vibration device has the advantages that free heat transfer between two ends can be achieved according to needs; good heat conductivity of nanoparticles in heat conduction media is kept during periodic motion, and the service life of the heat conduction media is prolonged; and the cold and head transmission distance is greatly prolonged, ultra-long-distance heat transmission is achieved, daily maintenance is not needed, and the device has wide application prospects in the aspects of industrial heat exchange and energy saving and cold and heat application in buildings.

The invention discloses a liquid piston engine capable of exhausting air automatically. The liquid piston engine comprises a cold air cylinder, a hot air cylinder, a heater, a heat regenerator, a cooler and a power output pipe. A liquid piston is arranged in the cold air cylinder, a liquid piston is arranged in the hot air cylinder, and the bottoms of the liquid pistons are communicated. The heater, the heat regenerator and the cooler are connected in sequence. The hot air cylinder is connected with the heater. The cold air cylinder is connected with the cooler. The power output pipe is connected to the hot air cylinder and extends upwards from the position below a set lowest liquid level in the hot air cylinder to the position above the set lowest liquid level. The wall of the hot air cylinder is further provided with an air distribution element. The air distribution element is arranged at the set lowest liquid level and makes the hot air cylinder be communicated with the power output pipe. The liquid piston engine can automatically exhaust the air below the set lowest liquid level so that the liquid level in the hot air cylinder can not be lower than the set lowest liquid level.

The invention discloses a pile board basic method of an ultra high voltage electric power pylon used on soft foundation, which comprises the following seven steps: first, constructing tree root pile; second, digging foundation ditch; third, chipping the tree root pile and then building inverted cone; fourth, constructing a base plate; fifth, constructing a base pillar; sixth, backfilling the foundation ditch; and seventh, installing a tower frame; the tree root pile is connected with the base plate through the inverted cone, the base plate is connected with the base pillar, and the top of the base pillar is provided with a stone bolt which is connected with the tower frame. The method has the advantages of convenient construction, simple operation, stable and firm foundation, reliable bearing capacity, small uneven settlement and low cost. The method provides a stable and reliable foundation model for an ultra high voltage electric power pylon built on soft foundation with relativelythick soft soil horizon but hard shell horizon with certain thickness, which has the advantages of effectively utilizing the bearing potential of the hard shell horizon, reducing the excavated volumeof earthwork, lowering the construction cost and construction difficulty, and needing no daily maintenance work.

The invention discloses a mobile integrated filter separation system device for collecting geothermal water. The device is composed of a pump, an inlet pipeline, a differential pressure transmitter, an inlet valve, a filter, an automatic exhaust valve, a bolt, an end socket, a grid water storage groove, a moving wheel, an inlet and outlet valve, an electric control cabinet, a water storage pot, a liquid level transformer, a backwash liquid inlet, a blowback air inlet, a backwash pump, an air compressor, an outlet pipeline, a blowdown pipeline, a gas storage pot, a container door and a side sealing plate. The mobile integrated filter separation system device is characterized by being a filter system integrating the filter, the valves, an instrument, the pump, an electric control unit and the like, impurities in filtered fluid can be removed through the module which is the important unit in liquid filtration, reuse and water supply treatment, and the device module is applicable to seawater filtration, geothermal water filtration, industrial sewage filtration and other industries.

The invention belongs to the technical field of heat conduction devices, and particularly relates to a superconductor fiber heat transfer device. The superconductor fiber heat transfer device solves the technical problem that an existing heat transfer device is low in heat exchange efficiency. The heat transfer device comprises a hollow heat conduction pipe body which is provided with an inner container and two closed ends, a working medium inlet is formed in one end of the hollow heat conduction pipe body, and a working medium outlet is formed in the other end of the hollow heat conduction pipe body; a working medium inlet heat exchanger is correspondingly arranged on the working medium inlet, and a working medium outlet heat exchanger is correspondingly arranged on the working medium outlet; a flow guide structure is arranged in the hollow heat conduction pipe body, and according to the flow guide structure, when heat conduction working media flow in the pipe body from the working medium inlet, the heat conduction working media are guided to the other end of the hollow heat conduction pipe body and then flow out of the pipe body from the working medium outlet; and a plurality of carbon fiber filaments which are located in an inner cavity and made of carbon fiber materials are arranged in the hollow heat conduction pipe body. The heat transfer device has the advantages that externally-provided conveying power can be reduced to the zero, nano particles are suspended and / or accumulated in a nearby manner, use is easy and safe, and daily maintenance is not needed.

The invention discloses a method for installing a pre-discharge lightening rod. The method is characterized by including the following steps: a. assembling every part of a pre-discharge lightening rod, securing the pre-discharge lightening rod as a whole to a pedestal by tightening with bolts or welding; b. upon installing the pre-discharge lightening rod, conducting reliable welding or thermit welding on the pre-discharge lightening rod and a downlead; c. installing a ground resistance test case below the pre-discharge lightening rod, providing a lightening counter inside the ground resistance test box; d. fusing a ground rod of the pre-discharge lightening rod with a ground wire with a fire clay powder; and e. after the installation of the pre-discharge lightening rod, applying an anti-rust paint on the connecting place of every part of the pre-discharge lightening rod or the metal surfaces of every part, and conducting anti-rust processing. According to the invention, the method is advantaged over traditional lightening rod and thunder-protection systems by increased protection radius, and by providing more protection, having high safety, and strong protection for factor devices and workers.

The invention belongs to the technical field of soil heat balance test equipment, and particularly relates to a vertical temperature distribution test and underground water level measurement device for a ground source rock soil layer. The device solves the technical problems that the existing measurement device cannot detect the temperature and the water level in real time and the like. The device comprises a U-shaped pipe body, a temperature detection cavity, a water level detection cavity and a separation structure, wherein a soil temperature detection mechanism is arranged inside one side of the U-shaped pipe body, a soil water level detection mechanism is arranged inside the other side of the U-shaped pipe body, and both the soil temperature detection mechanism and the soil water level detection mechanism are connected with a display module. The device has the advantages that the changes of soil temperature and water level are displayed dynamically in real time via a digital temperature sensor and a water level monitoring device, and a data system for comprehensive analysis is formed, so that auxiliary reference data is provided for customers and environmental monitoring departments; and the device has the advantages of accuracy in measurement, large data recording information quantity, long acquisition time and the like.

The invention relates to an efficient rotational flow multistage purification device for mine wastewater treatment, and belongs to the field of mine wastewater treatment. Mine wastewater containing suspended matters is mixed with a medicament and then enters the device through a water inlet pipe, and deep coagulation of the medicament and the wastewater is carried out through cyclone mixing and centrifugal separation effects of a cyclone center cylinder; meanwhile, under the combined action of the gravity field, the ascending water flow and the rotating flow field, suspended solids in the wastewater form a sludge layer area at the bottom of the inner cavity, and the water flow forms a flow field change from ascending to descending along the center to the barrel wall; after the ascending suspended matters are filtered by the sludge layer, the special-shaped inclined plate and the filter material layer, and clear water is discharged through a water discharging pipe; and after the separated sludge is concentrated by the sludge concentration device, one path is discharged through a sludge discharge pipe, and the other path is pressurized by a high-density circulating pump to enter a water inlet pipe to be mixed with inlet water, so as to finish a high-density circulating function.

The invention discloses an MBR membrane aerator. The MBR membrane aerator comprises a top cover, a body, an air pipeline, a rotary cutting column, a guide plate and an airflow backwashing mechanism, the air pipeline is inserted into an inner mixing cavity from the top end of the top cover, air in the air pipeline is input from top to bottom, the problem of blockage of the air pipeline can be effectively solved, the problem of blockage of aeration equipment can be solved even the aerator works at high sludge concentration, and daily maintenance is not required; and meanwhile, air forms rising flow after entering the aerator under the action of the airflow backwashing mechanism to drive a mud and water mixed solution to upwards rapidly rushing out of the top of the aerator together to realize aeration washing of an MBR membrane, the rotary cutting column and the guide plate mounted in the body can rotate the mixed solution, the mixed solution is cut by cutting blades in the rotating rising process to form a large number of tiny bubbles, and the aeration washing effect is improved. The invention also discloses an MBR membrane aeration device comprising the MBR membrane aerator and MBRmembrane sewage treatment equipment.

The invention discloses a wireless remote measurement terminating machine based on NB-IOT. The terminating machine comprises a control module. The control module is connected to a monitoring module, apower supply module and a communication module. The monitoring module sends a detection signal to the control module. The power supply module provides power for the control module. The communicationmodule adopts an NB-IOT transmit-receive module. The control module carries out data interaction with a working station through the communication module. The terminating machine possesses advantages that communication power consumption is low; work is reliable; data is safe; and the machine can work for a long time under a severe environment and so on.