89 results about "Gas expansion" patented technology

The invention relates to the technical field of soil and groundwater pollution remediation, in particular to a polluted groundwater source controlling and breaking system suitable for limited space of an industrial accumulation area, which comprises a main well, a gas stripping circulating unit and a groundwater circulating unit. A blocking device composed of a packing rubber structure and a driving device is arranged in the main well, the packing rubber structure is driven by the driving device to move and intermittently inject air to expand, and an air flow channel which is dynamically opened and closed is formed between the inner wall of the main well and the unsaturated area. The vacuum pump device builds negative pressure on the upper portion of the main well, so that purified clean gas enters an unsaturated area in an intermittent pulse mode through the peripheral injection well, and soil gas is induced to flow in an oscillating mode under cooperation of the dynamic gas flow channel. Groundwater extracted by the centrifugal pump is purified by the gas stripping area and the underground activated carbon filtering device and then is discharged into the top of the unsaturated area through the drainage device in an intermittent wave mode, the system is suitable for pollution treatment in the limited space of the industrial accumulation area, and targeted source control and long-acting reduction are achieved.

The application discloses a kind of mixed nitrate class molten salt preparation device, it is related to molten salt preparation technical field, including jar body, the jar body is rotatably connected with rotating pipe, rotating pipe is fixedly connected with two fixed rods, further include: mixing mechanism.The application is expanded by the setting of scraping unit, inert gas in gas storage tank is expanded under the action of high temperature, gas expansion drives by rotating pipe into two installation cylinder, and drives two first sliding piston rod to move outward, first sliding piston rod moves and drives fixed frame to move, fixed frame moves and drives movable pipe and scraper to move, so that scraper is contacted with jar body inner wall, and the inner wall of jar body is scraped, movable pipe moves and drives rotating ring to rotate by connecting block, connecting rod and fixed block, rotating ring rotates and drives two baffle one to rotate, so that the area of two feed ports is increased, and then the feeding amount is increased, thereby adaptively increase the turnover amount, improve the uniform heating effect of material.

The utility model discloses a waste discharge adhesive tape winding mechanism and a GDL cutting forming device. The waste discharge adhesive tape winding mechanism comprises a fixing frame, a winding assembly and a broken tape detection assembly. The winding assembly comprises an air swelling shaft, a winding torque motor and a plurality of winding units, the winding torque motor is hung below the fixing frame, one end of the air swelling shaft is connected with the winding torque motor, and the air swelling shaft is sleeved with the winding units; the winding unit comprises an assembly inner ring, an assembly outer ring, a friction plate and a plurality of adjusting screws, the assembly inner ring is sleeved and fixed on the air expansion shaft, the assembly outer ring is sleeved on the assembly inner ring, a ball bearing is arranged between the assembly outer ring and the assembly inner ring, the friction plate is sleeved on the air expansion shaft, and the adjusting screws are arranged on the air expansion shaft. The friction plate is arranged in the assembling inner ring and attached to one side of the assembling inner ring and one side of the assembling outer ring, and the adjusting screw penetrates through the friction plate and is embedded into the assembling inner ring. According to the utility model, the winding efficiency of the waste discharge adhesive tape is effectively improved.

The application discloses a kind of continuous self-bleeding self-suction pumps, it is related to self-suction pump technical field, including main body, the upper portion of the main body is provided with self-suction tank, the top of the main body is equipped with steam jacket heat tracing, the upper end of steam jacket heat tracing is equipped with injection device, the lower end of self-suction tank is provided with sealing device, the middle of sealing device is equipped with pipeline, the bottom of pipeline is equipped with fixing device, the right end of fixing device is provided with ground tank, the upper end of ground tank is equipped with nitrogen pressure exhaust pipeline device.The application is fixed on the upper end of steam jacket heat tracing by outer frame, then connects steam pipe line by the pipe joint of right end, exhausts gas in ground tank to expansion pipe, carries out gas expansion, exhausts the gas after completion of expansion to mixing chamber, makes it mixed jet pump, then is discharged by nozzle, without manual filling pump.Again by the pipeline cavity of through frame inner cavity through connecting pipeline.

The invention relates to a small-load pneumatic ejection separation test platform and a speed projection engineering estimation method. The test platform is composed of an air compressor, a high-pressure gas cylinder, an electromagnetic valve, a pressure gauge, a mounting rack, an ejection cylinder, a piston, a high-speed camera, a grid background plate, an irradiation lamp, a protection pad and other components. The air compressor is used for providing high-pressure gas required by the ejection system; the high-pressure gas cylinder is used for storing high-pressure gas required by system ejection; the electromagnetic valve is used for controlling the ejection device to start; the pressure gauge is used for measuring gas pressure in the gas cylinder; the ejection cylinder is used for providing a space required by high-pressure gas expansion and a track required by object ejection; the piston is used for converting aerodynamic force into thrust to provide acceleration for a separated object; the grid background plate is used for determining the position of the isolate shadow; and the irradiation lamp is used for irradiating the separated object and projecting a shadow on the square background plate. The device has the advantages of being safe in experiment, easy to install, convenient to recycle, convenient to maintain and capable of repeating the experiment.

The utility model discloses a kind of anti-permeation moisture-proof structures of building wall, comprising: wall, the outside of the wall is fixedly connected with adhesive layer, the outside of the adhesive layer is fixedly connected with moisture-proof layer, the outside of the moisture-proof layer is fixedly connected with waterproof finish layer;Drying assembly.The utility model, when daily use, moisture-proof layer can absorb the moisture of wall outside, ensure that wall outside always keeps dry state so that moisture is absorbed by moisture-proof layer, in sunny day, heat of illumination can be absorbed by heat-absorbing plate, finally heat is transferred to radiating wire by heat-conducting plate, finally radiating wire radiates heat to make moisture in moisture-proof layer evaporate dry, when moisture in moisture-proof layer evaporates and gasifies expansion, gas will flow out from air hole, gas expansion will pressurize plugging plate in process, synchronously make that slide pole and plugging plate extend outward, so that gas passes through air plate and discharges, further improve the effect of moisture-proof.

In the patent application document I have described a coordination mechanism of two pistons within a cylinder that allows a thermodynamic process such as expansion to be carried out. The pistons are moved by separate mechanisms that transform the continuous rotation of motor or generator shafts into irregular rectilinear motion. The objective of this invention is its use in power production facilities where efficient compression or expansion of gas or vapors is required. The applications can be: Expansion of steam produced in a biomass boiler. Expansion of steam produced with some energy source, primarily renewable. Compression and expansion of air in an external biomass combustion plant and compressed air-exhaust gas heat exchanger. Vapor-gas expansion produced by the combustion of ethanol and oxygen.

The disclosure provides a hybrid energy storage system, wherein the Brayton cycle unit comprises a first compressor, a first air-salt heat exchanger and an air-air heat exchanger forming a circulation loop, the cold side of the first air-salt heat exchanger is provided with a first inlet and a first outlet, the cold side of the air-air heat exchanger is provided with a second inlet and a second outlet, and the second inlet is used for air entering; the energy storage unit comprises a molten salt heat storage unit, the molten salt heat storage unit is connected with the first inlet and the first outlet to form a circulation loop; a Rankine cycle unit is connected with the molten salt heat storage unit to generate power by obtaining heat; and the processing unit comprises a first unit, the first unit comprises a compression section and an expansion section connected with the compression section, the compression section is connected with the second outlet, has a gas compression function, and is connected with the molten salt heat storage unit to deliver first temperature heat to the molten salt heat storage unit and second temperature compressed air smaller than the first temperature to the expansion section, and the expansion section has a gas expansion function to generate power.

The utility model discloses a kind of pneumatic eccentric roller device and contain the winding press roller device of the pneumatic eccentric roller device, including gas expansion shaft, the outside of the gas expansion shaft, a plurality of eccentric roller units are sequentially sleeved, the eccentric roller unit includes eccentric shaft, bearing and rubber roller, rubber roller can rotate relative to eccentric shaft;The middle of the eccentric shaft is equipped with a long circular through-hole, the gas expansion shaft is arranged in long circular through-hole, a gasbag is fixed on gas expansion shaft, the outside of gasbag is equipped with the key strip corresponding with the number of eccentric roller unit, after gasbag is ventilated, key strip can move eccentric roller unit whole to the side of gas expansion shaft;The both ends of the gas expansion shaft are fixedly provided with a check ring;Between adjacent two eccentric roller units and between eccentric roller unit and check ring, are slidably separated by stop block. In the utility model, each eccentric roller unit can independently adaptively compress and support the surface of winding roller when encountering the surface of winding roller with different height.

A resource supply system, comprising: a floating platform (900) arranged at a water surface; a gas compression device (100) arranged on the floating platform (900) and provided with, communicated with each other, a first gas inlet (110) and a first gas outlet (120; a gas expansion device (200) arranged on the floating platform (900) and used for electrically connecting to a power supply device, the gas expansion device (200) being provided with, communicated with each other, a second gas inlet (210) and a second gas outlet (220), and the second gas outlet (220) being used for discharging gas; a first heat exchange device (300) arranged on the floating platform (900) and provided with, communicated with each other, a first inlet (311) and a first outlet (312), the first inlet (311) being communicated with the first gas outlet (120), and the first outlet (312) being communicated with the second gas inlet (210); and a seawater distillation device (400), the seawater distillation device (400) being able to make a heat exchange with the first heat exchange device (300) and used for communicating with a water supply device.

The utility model discloses a heating tube sealing structure and baking tray, aim at solving the existing heating tube seal not thoroughly, the assembly stability is poor and so on. The structure contains heating disc, its inside is equipped with magnesium oxide filler, and the first, second heating tube cold needle is projected with respectively two ends, and there is the heating wire that penetrates heating disc and is wrapped by magnesium oxide filler between two cold needles. In addition, still be equipped with first conducting rod subassembly and second conducting rod subassembly, two respectively with the both ends sealed connection of heating disc. This design through both ends conducting rod subassembly and the close seal of heating disc, can bear the gas expansion pressure in pipe, prevent gas leakage, maintain the pressure balance in pipe, enhance the sealing reliability, effectively solve the sealing problem caused by gas expansion. Meanwhile, the structure reduces the dependence on the size precision of single component, even if the size error exists in component processing, can realize good sealing connection, reduces the unstable situation of assembly caused by size deviation, improves the stability and success rate of assembly.

The utility model belongs to the technical field of pipe thermal expansion processing, and particularly relates to pipe blank positioning equipment for pipe thermal expansion processing, which comprises a lower die, a lower cavity is arranged on the lower die, mounting blocks are symmetrically arranged on the lower die, the mounting blocks are arranged at two ends of the lower cavity, end positioning mechanisms and sealing mechanisms are arranged on the mounting blocks, and the sealing mechanisms are arranged on the end positioning mechanisms. The sealing mechanism comprises a sealing head and a sealing driving device, the sealing driving device is in transmission connection with the sealing head, the sealing driving device drives the sealing head to move towards or away from the lower cavity, the end positioning mechanism is used for positioning the end face of a pipe blank, and the sealing head is communicated with air supply equipment. According to the utility model, the problems of position deviation, shifting and inaccurate direction of a hot air expansion pipe blank when the hot air expansion pipe blank is put into a mold cavity can be solved, and the problem of leakage of high-pressure sealing during hot air expansion forming is solved.

The supercritical expander includes an outer casing and a rotor housed within the outer casing so as to rotate around a rotation axis. At least one combustor is housed within or associated with the casing. The outer casing includes a high-pressure casing and a low-pressure exhaust casing coupled to each other by flange connections along a plane perpendicular to the rotation axis. The low-pressure exhaust casing includes an exhaust plenum adapted to collect combustion gases expanded through a gas expansion passage. The low-pressure exhaust casing includes at least one exhaust aperture, wherein the expander comprises an outer casing and a rotor housed within the outer casing so as to rotate around a rotation axis.

The utility model relates to a kind of bush type air expansion shaft, comprising: always fill air expansion shaft;Bushing expansion piece is set in the large diameter end of the always fill air expansion shaft, and its outer ring is polygonal structure;And reel is set in the outside of the bushing expansion piece and is lifted inner wall by the edge of the polygonal structure when the bushing expansion piece tightens.Compared with prior art, the utility model has the advantages of preventing reel slip, improving winding stability, improving product yield, etc.

The invention relates to the technical field of coal production, and discloses a coal rock tensile strength fracturing probe device which comprises an air expansion pipe, a seamless steel pipe is sleeved with the air expansion pipe, one side of the seamless steel pipe is fixedly connected with an oil pipe, the oil pipe is sleeved with a sleeve located on the inner side of the air expansion pipe, and a plurality of grooves are formed in the outer wall of the air expansion pipe at equal intervals in the axial direction. A plurality of thin metal strips are adhered to the outer surface of the inflatable tube along the axial direction, a pressure relief tube is sleeved outside the inflatable tube, the pressure relief tube is formed by combining a supporting tube and conical tubes, the conical tubes are fixedly connected to two sides of the supporting tube, and a plurality of through holes are formed in the outer side of each conical tube. The technical means that the seamless steel pipe, the oil pipe, the casing pipe, the gas expansion pipe and the pressure relief pipe are matched is adopted, and the defects that in the prior art, fracturing pressure distribution is uneven, coal rock fracture development is uncontrollable, and device recycling is difficult are overcome; and therefore, the technical effects that coal rock tensile strength is accurately fractured, the fracture form can be observed, the repeated utilization rate of the device is high, and the operation safety is high are achieved.

The present application belongs to the field of oil and gas exploration, and particularly relates to a device and method for determining gas-measured porosity under overburden pressure. The device for determining gas-measured porosity under overburden pressure comprises: a core holder for accommodating a rock sample, a pressure boosting device connected to the core holder to apply overburden pressure to the rock sample, a space-adjustable gas chamber with an internal space volume capable of being adjusted, the space-adjustable gas chamber being connected to the core holder, and a gas measurement system connected to the core holder and the space-adjustable gas chamber to pass in gas with a preset pressure, thereby measuring the porosity of the rock sample. In the present application, during the calibration of the pore volume, the continuous change of the internal space of the space-adjustable gas chamber is used to obtain a pore volume-pressure standard curve with multiple measuring points through a single gas expansion process, thereby avoiding the purpose of calibrating the pore volume by repeatedly loading and unloading the sample in the core holder, and greatly simplifying the steps of calibrating the pore volume.

This utility model discloses a concrete pipe pile molding mold with a biodegradable release agent, belonging to the field of mold technology. It includes a shell with an upper plate at the top of its outer surface. A rotating wheel is inserted inside the shell, and a knob is installed at the top of the outer surface of the rotating wheel. A connecting block is sleeved inside the outer surface of the rotating wheel. The mold employs a precise temperature control system using heating wires, allowing the curing temperature to be set according to the concrete characteristics. This avoids gas expansion caused by high temperatures, reducing porosity at the source and ensuring a uniform and dense internal structure of the concrete. A vacuum pump at the top of the housing, along with valves and air pipes, actively extracts air from the pipe during concrete pouring, eliminating internal air bubbles and improving concrete density and waterproof sealing performance. Furthermore, the mold's wear-resistant protective layer and heat-insulating buffer layer effectively extend its service life and maintain stable curing temperature, providing a reliable guarantee for the production of high-performance concrete pipe piles.

The utility model discloses a coal mine gas extraction device, include: installation pipe, air compressor and negative pressure air pump, installation pipe one end fixedly connected with installation fixed plate, installation pipe passes through installation fixed plate fixed mounting in the extraction channel, installation pipe with installation fixed plate one end outside sleeve has rubber rubber seal ring. The utility model discloses the cooperation of high pressure inlet pipe and air bag, utilize high pressure gas inflation air bag sealed extraction area, make negative pressure suction port only for local area carry out high -efficient extraction, enhance the suction of gas in small gap, simultaneously, electric telescopic link drive high pressure inlet pipe removes, realize sub -region continuous extraction, avoid the problem of suction dispersion because of coal seam gap is many. The design of rubber seal ring and check valve further ensures the leakproofness and gas one -way flow, thereby effectively promotes the thoroughness and security of gas extraction.

The utility model discloses an automatic replacement equipment of gas expansion axle and pipe core, it includes gas expansion axle and draws the device and the pipe core buffer storehouse, gas expansion axle and draws the device is used for drawing out and putting into the pipe core of completing the winding of gas expansion axle in, the pipe core buffer storehouse is used for depositing and outputing the pipe core of waiting for winding one by one, gas expansion axle and draw the device includes displacement mechanism and gas expansion axle and take and send mechanism, displacement mechanism is used for driving gas expansion axle and take and send mechanism and moves up and down, gas expansion axle and take and send mechanism are used for the operation of drawing out and putting into from the pipe core to gas expansion axle, the pipe core buffer storehouse includes the material board, the blocking mechanism and the material receiving mechanism, the utility model provides a kind of automatic replacement equipment of gas expansion axle and pipe core, can realize automatic replacement gas expansion axle and pipe core, and the replacement efficiency is high, and versatility is strong.

The present application relates to the technical field of gas well drainage, in particular to a multi-stage pneumatic jetting relay drainage gas recovery device and a drainage method. The technical scheme is: connecting a pressure control switch jetting pump with a tubing and lowering the tubing into a downhole casing, connecting a pneumatic jetting pump with the pressure control switch jetting pump through a connecting pipe at the lower end of the pressure control switch jetting pump, providing a plurality of power gas flow limiting ring holes on the outer wall of the middle and lower part of the pneumatic jetting pump, providing a pressure boosting diffusion cavity, a mixing energy conversion cavity, a gas jetting acceleration cavity and a power gas temporary storage cavity from top to bottom inside, and installing a center pipe in the center of the gas jetting acceleration cavity and the power gas temporary storage cavity. The beneficial effects are: the present application uses gas as a jetting power medium to drive the pressure control switch jetting pump and the pneumatic jetting pump to drain liquid, organically combines gas relay jetting, gas lifting and gas expansion energy, and lifts the downhole accumulated water to the ground in the form of dispersed misty gas-water two-phase fluid, having the advantages of good reliability, high lifting head, good gas-water atomization and water slip prevention effect.

The invention provides a pipe cold and hot medium composite forming controllability manufacturing method, and belongs to the technical field of pipe forming manufacturing. The shape and wall thickness control of the pipe fitting is completed by the internal high-pressure forming process, the pipe fitting does not need to be greatly deformed in the hot air expansion quenching process, and the shape and wall thickness control difficulty in the hot air expansion quenching process is reduced; in the hot air expansion quenching process, different positions of the pipe fitting are almost attached to the die at the same time, and the nearly-uniform cooling rate and structure performance can be obtained; during hot air expansion quenching, as the shape of the pipe fitting is basically matched with that of the inner molded surface of the water-cooling mold, the air pressure required in the hot air expansion quenching process is obviously reduced, and the working pressure and power of an air pressure system can be effectively reduced; and the period of the hot-state pneumatic forming quenching procedure is shortened, and the production efficiency is improved.

The utility model discloses a quick bottle releasing structure of a bottom die, and relates to the technical field of bottle blowing dies. According to the structure, through a dual demolding mechanism of mechanical ejection and gas injection, the demolding efficiency of a complex bottle type is remarkably improved. The bottom die specifically comprises a bottom die body, an ejector pin sleeve, a ventilation ejector pin and a high-pressure air supply system, the ventilation ejector pin is slidably arranged in an ejector pin telescopic hole of the bottom die body, the tail of the ventilation ejector pin is in dynamic sealing fit with the ejector pin sleeve, and a head pipe opening extends to the working face of the bottom die; the high-pressure gas supply system drives the ventilation ejector pin to eject a bottle blank through the ejector pin sleeve, meanwhile, high-pressure gas directly acts on the bottom of the bottle through an inner channel of the ventilation ejector pin, and collaborative demolding of ejector pin mechanical ejection and gas expansion separation is achieved. The mold is particularly suitable for bottle types with complex bottle bottom curving wrinkles or deep cavity structures, and has the double advantages of efficient demolding and bottle integrity protection.

The application discloses a stepped extraction drilling hole injection hole buffer device, which comprises a blowout prevention buffer device, a negative pressure extraction device connected to the top of the blowout prevention buffer device, and a residue discharge device connected to the bottom of the blowout prevention buffer device. The negative pressure extraction device is connected with a gas-water separator, and the gas-water separator is arranged close to the blowout prevention buffer device. The stepped pressure relief is realized through the pressure relief pipe and the buffer air bag, the running speed of the ejected gas is effectively reduced, the accumulated gas expansion pressure is buffered, the negative pressure extraction device and the buffer air bag are mechanically linked, as much ejected gas as possible is solved through extraction by adjusting the extraction negative pressure, the gas-water separator effectively separates the gas, water and residue, the solid-liquid mixture is timely discharged by the residue discharge device, the pipeline is prevented from being blocked, and the use of the injection hole buffer device is affected.

The utility model provides a hydraulic power compressed air energy storage power adjusting device system, a water flow adjusting device in the power adjusting device system comprises an air storage container and a water storage container, an air compression device pipeline is connected with the air storage container, and the air storage container is communicated with the water storage container through an air expansion pipe network and an energy storage air delivery pipe network respectively. The water storage container is connected with the water storage tank through an energy storage water injection pipe network, and an adjusting pump assembly is arranged on the energy storage water injection pipe network. The inlet end of the hydroelectric generation device is connected with the water storage container through the energy releasing water conveying pipe network, the outlet end of the hydroelectric generation device is connected with the water storage tank, and the frequency conversion rectifying device is electrically connected with the hydroelectric generation device. The water outlet pressure and flow of the water storage container are controlled by adjusting the pressure of compressed air, the rotating speed, the output power and the like of hydraulic equipment are stably adjusted by combining the hydraulic power generation device and adjusting the water inlet quantity, the variable-frequency rectifying device is connected, the current of an output power supply is adjusted, the power is kept stable, and the quality of the power supply is improved.

The utility model discloses a kind of gas expansion axle connecting structures of cutting table, including bottom plate, protective strip and axle body;The surface of the axle body is slidably connected with top rod, the end of the top rod is fixedly connected with gas expansion strip, the number of the gas expansion strip is four, the surface of each gas expansion strip is provided with a plurality of clamping grooves, the inside of the protective strip is provided with clamping groove, the end of the clamping groove is equipped with limit plate, the clamping groove is connected with clamping strip snap connection.The utility model sets detachable protective strip on the surface of gas expansion strip, when cutting roll, it can avoid cutting tool wear, gas expansion axle both ends in the utility model can be supported, to avoid protective film to shake when rotating, improve cutting surface flatness, the utility model can first carry out the fixation of gas expansion axle, then gas expansion axle is connected with cutting table, to improve the concentricity of film roll and gas expansion axle.

The invention belongs to the technical field of thermal management, and particularly relates to a device and method for testing the gas content of a liquid cooling system, electronic equipment and a medium. The testing device comprises a pressure tank, the pressure tank is connected with a connecting pipe, an exhaust pipe and an air inlet pipe, and the exhaust pipe is sequentially provided with a first adjusting valve, an exhaust pressure stabilizing component and a gas flow meter; the air inlet pipe is used for being connected with an external air source, a second adjusting valve is arranged on the air inlet pipe, and a second pressure sensor and a temperature sensor are arranged on the pressure tank; the pressure tank is used for being connected with a tested liquid cooling system through a connecting pipe, and a third adjusting valve and a third pressure sensor are arranged on the connecting pipe where the pressure tank is connected with the tested liquid cooling system. Based on the principle that expansion coefficients of liquid and gas are different, gas content testing of the liquid cooling system is rapidly completed in a lossless mode, deep decoupling can be conducted on the testing precision and the individual difference of the internal volume of the cooling system, and better adaptability is achieved compared with a charge volume metering method.

The utility model provides a waste heat recovery device which comprises a waste heat recovery mechanism, an energy storage mechanism and a waste heat utilization mechanism. The waste heat recovery mechanism is connected with an external waste heat pipeline, and the waste heat recovery mechanism is used for converting heat energy of waste heat into air pressure potential energy; a first connecting pipe is arranged between the waste heat recovery mechanism and the energy storage mechanism, and one end of the first connecting pipe communicates with the upper portion of the waste heat recovery mechanism. During use, the waste heat recovery mechanism is arranged to be connected with a waste heat pipeline, waste heat enters the waste heat recovery mechanism and then heats liquid or gas in the waste heat recovery mechanism, so that steam is generated and compressed or gas is expanded, and the energy storage mechanism stores high-pressure gas generated in the waste heat recovery mechanism. When the electromagnetic valve is in a communicating state, gas in the energy storage mechanism can flow out at a high speed to drive the waste heat utilization mechanism to do work, and therefore the waste heat recycling effect is achieved.

The utility model provides a hydraulic compressed air energy storage power generation device system which comprises an air energy storage module, a power generation module and a turnover water tank. The air energy storage module comprises an air compression device, an air storage container and a water storage container, the air compression device is respectively communicated with the air storage container and the water storage container, the air storage container is connected with the water storage container through an air expansion pipe network, and the water storage container is connected with the turnover water tank through an energy storage water injection pipe network; the power generation module comprises a high-voltage hydroelectric generation device, a low-voltage hydroelectric generation device and a frequency conversion rectifying device, one end of the high-voltage hydroelectric generation device is connected with the water storage container through an energy releasing water conveying pipe network, and the other end of the high-voltage hydroelectric generation device is connected with the turnover water tank. The frequency conversion rectifying device is electrically connected with the high-voltage hydroelectric generation device and the low-voltage hydroelectric generation device. According to the utility model, hydraulic power is used for compressing air to store energy, the energy storage density is large, the power generation efficiency is high, and the output power is stable through variable-frequency rectification regulation.

This utility model discloses a segmented carbon dioxide gas expansion blasting device, relating to the field of blasting engineering technology. The utility model includes a first liquid storage pipe and a second liquid storage pipe. A controller is installed on one side of the inner cavity of both the first and second liquid storage pipes, and an excitation tube is installed on one side of the controller. A connecting assembly is provided between the first and second liquid storage pipes, and connectors are provided at both ends of both the first and second liquid storage pipes. In use, multiple sets of expansion blasting devices can be transported to the blasting point. By rotating the connecting plate, a locking block is inserted into the inner cavity of the connecting frame, and the locking block is fixed to the connecting frame using fixing bolts, thus completing the connection of the first and second liquid storage pipes. Subsequent connections are made in the same way. This connection method is simple to operate and allows for flexible connection of multiple devices into an expansion blasting device of a specified length according to actual blasting needs.

The invention relates to the technical field of winding machine automatic production, and discloses a full-automatic online winding machine which comprises a winding machine shell, a roll unloading assembly, a roll replacing assembly, an inflation and deflation assembly, a supporting shaft assembly, a glue spraying assembly, a slitting assembly, a pipe bin and a moving trolley. Cloth is fixed and wound through the roll unloading assembly, the roll unloading assembly has the air swelling shaft fixing function and the cloth roll unloading function at the same time, the versatility of the device is improved, the height position of the air swelling shaft is accurately positioned through a position detection switch on a clamping head base of the air inflation and deflation assembly, damage caused by collision when the air swelling shaft is connected is avoided, and the service life of the device is prolonged. Meanwhile, the air swelling shaft is automatically inflated and deflated through an inflation and deflation air valve and an air cylinder, the height of a movable base on the shaft supporting assembly is adjusted according to the actual height of the inflation and deflation assembly, the air swelling shaft is horizontally supported, and the situation that under the condition of unbalanced force, the air swelling shaft falls off and hurts people is avoided.