31results about How to "Solving Stress Problems" patented technology

The invention discloses a component for shielding neutronic reactor core. The component consists of three parts: a head part, a middle part and a tail part; wherein, the head part is composed of a manipulation head and an upper transitional joint. The manipulation head is inosculated with component handling equipment and is also provided with an outlet hole for sodium; the external side of the upper transitional joint is provided with a locating block to guarantee the radial positioning among components, and the upper transitional joint is welded on the upper surface of a hex wrapper tube. The middle part is composed of a hex wrapper tube and a shield which is arranged in the wrapper tube. The tail part is composed of a lower transitional joint and a pin. The lower transitional joint is welded on the bottom surface of a hex wrapper tube and the pin is provided with an inlet hole for sodium. The invention uses high-density and hot-pressing a boron carbide pellet to guarantee that the boron carbide pellet dose not escape out of a rod after cracking, and at the same time an absorbing rod adopts a ventilation-typed top end plug to extract the helium gas produced in the B-10 (n, Alpha)reaction. The technical proposal of the invention is not only practical but also solves the bearing pressure of a casing on the absorbing rod effectively.

The invention relates to the technical field of oil field well drilling and completion, in particular to an open hole staged fracturing construction method of a dual-branch horizontal well. The methodcomprises the following steps that completion and drilling of a main well hole are firstly carried out, a main well hole open hole staged fracturing completion tool is lowered through a drilling liner hanger, a lowering branch well windowing system is in tie-back connection with the drilling liner hanger, and windowing construction and branch well hole drilling are completed; and a branch well completion window hanger is utilized for lowering the branch well hole open hole staged fracturing completion tool into a branch well hole, and window communicating of the main well hole and the branchwell holes is achieved. On the basis of a four-stage branched well, branched well fracturing is carried out efficiently, a drilling machine does not need to be carried repeatedly, main and branched well hole fracturing construction is completed continuously, the drilling and completion construction efficiency is improved, the well building cost is reduced, the well control risk is reduced, and theapplication field of branched wells is further widened.

The invention discloses a quenching apparatus and method of red coke in the coking industry. A quenching tank comprises a quenching tank body with the top provided with a red coke feeding opening and with the bottom provided with a coke discharging opening, a red coke feeding opening tank cover, and a coke discharging opening sealing mechanism; the upper portion of the quenching tank body is provided with a steam discharging opening and a waste gas discharging opening, the steam discharging opening is connected with a steam purifying device, and the waste gas discharging opening is connected with the inlet of a waste gas treatment device or is directly connected to atmosphere; and the wall of the quenching tank body is provided with water spray tubes for spraying water to the tank, the water spray tubes are respectively arranged in a layered manner along the height direction of the quenching tank, the water spray tubes in various layers are individually fed with water or / and different circumferential parts of the same layer are individually fed with water, the radial center position of the quenching tank body is provided with a water spray tube for spraying water to coke in the quenching tank, and the center water spray tube is individually fed with water. The apparatus and the method have the characteristics of less investment, low running cost, short quenching time, heat energy recovery and no pollution.

The invention discloses an internal-condensation metal inner tube type solar energy heat-collecting device which belongs to the field of solar energy heat utilization. A filling fixture, an involute type reflection surface, a metal absorption tube, a metal regulating tube, a screw and a piston are sequentially inserted in an outer glass tube; upper ports and lower ports of the metal absorption tube and the metal regulating tube are respectively sealed by an upper end cover and a lower end cover through welding, a water inlet and outlet pipe is connected to the lower end cover and a steam exhaust pipe is connected to the upper end cover, the screw penetrates through the upper end cover to be connected with a motor, the motor is fixed at the outer part of the upper end cover, two ends of the outer wall of the metal absorption tube are inwards sequentially provided with straight mouth rings, corrugated rings and alloy rings from openings in a sleeving and welding manner, and one ends of the two alloy rings at two ends are respectively in burn-back with two ends of the outer glass tube so that a vacuum interlayer is formed between the outer glass tube and the metal absorption tube. The internal-condensation metal inner tube type solar energy heat-collecting device can be used for condensing light and bearing pressure, can be made into a single-tube water heater, has capabilities of freely regulating water storage quantity and providing steam or boiled water, and can be used in life, water purification, heating, refrigerating and the like.

The invention relates to a concentrating solar photo-thermal and photoelectric mixed collector. The collector comprises quartz heat colleting tubes which are internally filled with semitransparent liquids, a photovoltaic cell and a cooling channel thereof. The collector further comprises reflectors arranged on two sides of the quartz heat collecting tubes, quartz glass tubes externally surrounding the quartz heat collecting tubes, the photovoltaic cell and the battery cooling channel, metal end covers at two ends of the quartz glass tubes and thermal expansion counteracting structures. The quartz glass tubes tightly seal the heat collecting tubes in a vacuum environment, so that the heat loss of the heat collecting tubes is reduced; the quartz heat collecting tubes are designed as single-sided or double-sided concave channels, so that the incident rays at the photovoltaic cell are more uniform, and therefore, the photoelectric efficiency is improved and the pressure bearing capacities of the quartz heat collecting tubes are improved; and the thermal expansion counteracting structures absorb axial thermal deformation at a high temperature of the heat collecting tubes. Compared with the prior art, the solar utilization ratio of the photo-thermal and photoelectric mixed collector is effectively improved, the problems of thermal expansion and pressure resistance of the heat collecting tubes are solved, and the stability of the mixed collector is improved.

The invention discloses a drinking machine with a zero-pressure hot tank and a method for controlling the drinking machine, and belongs to the technical field of drinking machines. The drinking machine and the method are designed for solving the problem of deficiency of zero-pressure hot tanks for existing devices. The drinking machine with the zero-pressure hot tank comprises a water outlet pipe, the hot tank and a wastewater pipe. The water outlet pipe is connected to a water outlet end of the hot tank, the wastewater pipe is arranged between an inlet and an outlet of the water outlet pipe in a connected manner, and a wastewater electromagnetic valve is arranged on the wastewater pipe; heated and expanded water in the hot tank can flow through partial pipelines of the water outlet pipe and then can be drained via the wastewater pipe when the hot tank is in a heating state and the outlet of the water outlet pipe is closed. The method for controlling the drinking machine includes communicating the hot tank with the air via the partial pipelines of the water outlet pipe and the wastewater pipe when a value of the internal pressure of the hot tank is larger than zero and the outlet of the water outlet pipe is closed. The drinking machine with the zero-pressure hot tank and the method for controlling the drinking machine have the advantages that the hot tank can be assuredly always in a zero-pressure state, accordingly, crack on a tank body of the hot tank due to cyclic fatigue stress can be completely eradicated, and potential safety hazards can be eliminated.

The invention discloses a high-temperature-resistant and high-pressure-resistant stirring intermediate container device and a porous medium displacement experiment system, wherein the high-temperature-resistant and high-pressure-resistant stirring intermediate container device comprises an intermediate container and a stirring mechanism; the intermediate container comprises a cylinder body, an upper end cover and a lower end cover; the upper end cover and the lower end cover are screwed and sealed with the cylinder body through threads, and the stirring mechanism is arranged in the intermediate container; axial through holes are formed in the upper end cover and the lower end cover; two-way valves are connected to the top of the upper end cover and the bottom of the lower end cover; the stirring mechanism is of a cylindrical structure, the outer diameter of the stirring mechanism is matched with the inner diameter of the cylinder body, the side face of the stirring mechanism moves up and down along the inner wall of the cylinder body, and the stirring mechanism is provided with a piston mechanism for sealing and isolating the upper part and the lower part of the cylinder body. Thestructure of an existing intermediate container is improved, so that the intermediate container device can resist high temperature and high pressure, the stirring function is achieved, the battery capacity can be changed by increasing or decreasing the number of battery packs to meet different stirring time requirements, and meanwhile, a control system is improved so that stirring can be better achieved.

The invention relates to the technique for cooling hot gas, particularly to a temperature reduction method for hot gas and a device thereof. At present, the method for reducing temperature by sprayingis used widely, which not only increase the composition of hot gas and the volume flow, but also increase the investment of system, with low heat exchange efficiency and difficulty to control the process. The invention comprises a tube bundle heat exchanger canister, an outer jacket of a tube bundle cooler, a light tube heat exchange unit, and a finned tube heat exchange unit. The light tube heatexchange unit and the finned tube heat exchange unit are orderly disposed inside of the tube bundle heat exchanger canister. The outer jacket of a tube bundle cooler is fixedly disposed on the outerwall of the tube bundle heat exchanger canister. The hot gas is cooled by air exchanging heat with recycled cooling water by entering the tube bundle heat exchanger. By adopting the tube bundle heat exchanger, with the outer jacket opening, the invention can efficiently decrease the temperature of the tube bundle heat exchanger, decrease the load of canister, reduce the thickness of the canister,and lower the investment.

The invention refers to a method about the cut-water valve set of purifying the water in the pipeline and the special cut-water valve set. The method set the valve between infill-water pipeline and the purifying water set, the fore mentioned valve set on the operation platform, and in the valve there are two pipelines independence each other, one pipeline's two ports open at the top surface and the under surface of the valve respectively and make the tap and the puring-water set connected; The other pipeline's two port both open at the under surface of the valve, connects to tap water source and puring-water set respectively, moreover the switch of valve is also set in the pipeline; Setting a athwart-stop valve on the pipeline which connects the fore mentioned puring-water set. The method referred and the cut-water valve can control the container's bear-pressure state in the discommodious room, when we shut the valve on the operation platform, the pure-water containers under the platform are all in the state free of pressure, through this we can put an end to the leakage and crack of container.

The invention discloses a gas water heating device, and relates to the field of water heating devices. The gas water heating device comprises a combustor, a combustion chamber, a lower heat exchanger, a lower fume collection chamber, an upper heat exchanger and an upper fume collection chamber, which are sequentially mounted from bottom to top. The upper heat exchanger is horizontally arranged and adopts a tubular structure. Flanges are respectively arranged at two ends of the upper heat exchanger. A seal ring and a seal cover are arranged on the outer side of each flange. A water inlet pipe and a gas exhaust pipe, which extend outwards, are arranged at the top of the upper heat exchanger separately. A communicating pipe extending outwards is arranged at the bottom of the upper heat exchanger. A plurality of heat exchange pipes are arranged in the upper heat exchanger. The lower heat exchanger adopts a structure formed after the upper heat exchanger is inverted. Compared with the prior art, the gas water heating device has the advantages that the problem that water tube heat exchange is sensitive to scale is solved, the problem of bearing pressure by a fire tube type heat exchange water liner is solved, and besides, since spiral water flow generated by the heat exchange pipes increases the water flow speed, the scale precipitation is reduced, and the heat exchange efficiency is improved.

An adaptable special-shaped liner tube is composed of a steel liner tube 1, solid particulate matters 2 and end covers 3. The stiffness of the steel liner tube 1 is much greater than the deflection ofa lined pultrusion glass fiber tube 4, the diameter of the steel liner tube 1 is slightly smaller than the inner diameter of the lined glass fiber tube, and a gap for the solid particulate matters 2is reserved. Both ends of the steel liner tube 1 are provided with a bolt 1-1 and a bolt 1-2 so as to be connected with the end covers 3. A circular groove with the identical diameter and wall thickness as the glass fiber tube is machined in each end cover 3, and a filling hole 3-1 is formed in one end cover. The gap between the outer diameter of the steel liner tube 1 and the inner diameter of the lined glass fiber tube 4 is filled with the solid particulate matters 2. The solid particulate matters 2 transmit pressure on the tube wall of the glass fiber tube 4 onto the tube wall of the steelliner tube 1, so as to offset pressure on the glass fiber tube 4 when silicone rubber is being vulcanized. The adaptable special-shaped liner tube ingeniously combines the stiffness of the steel linertube with the deformability of the solid particulate matters, and solves the two key technical problems of pressure bearing and straightening of the pultrusion glass fiber tube, so that the pultrusion glass fiber tube can be widely used in the manufacturing of hollow pillar composite insulators.

The invention provides a method and a device for preparing CO (Carbonic Oxide) gas in real time. The device for preparing the CO gas having the content of 2-10% in real time comprises a cylinder, a support plate, an adapter, a contraction section, a support disc and an aluminum silicate fiber felt. The contraction section of which the taper is 30 degrees is formed at the lower end of the cylinder, while the support disc is welded on the port of the upper end of the cylinder. One end of a charging pipe penetrates through a via hole formed in the support disc and then is mounted in the cylinder. One end of an exhaust pipe penetrates through the via hole formed in the support disc and then is mounted in the cylinder. One end of a gas inlet pipe penetrates through the via hole formed in the support disc and then is mounted in the cylinder. While the CO gas is prepared, in order to prevent thermal treatment hydrogen embrittlement of ultrahigh-strength steel and solve the problem that hydrogen is contained in the existing thermal treatment protective atmosphere, the CO gas is taken instead of H2 and oxygen-free thermal treatment of products in a controllable atmosphere is realized.

The invention belongs to the technical field of hypersonic wind tunnel tests, and discloses a flexible pipeline device for mixed heating gas jet supply of a hypersonic wind tunnel. The flexible pipeline device comprises a flexible hose, a hard pipe and a fixing device, the middle section of the flexible hose is a hose, and two ends are flanges; the hard tube and fixing device comprises a hard tube which is arranged along the windward side of a mechanism curved knife of the attack angle mechanism of the hypersonic wind tunnel and extends from bottom to top, and a fixing device for fixing the hard tube on the windward side of the mechanism curved knife. A hose adapter is arranged at the inlet end of the hard pipe, and a lens gasket is arranged on the end face of the hose adapter and used for being sealed with a flange connector of the flexible hose; and the outlet end of the hard pipe is provided with a flange connected with an air inlet pipe of a test device. The flexible pipeline device solves the gas supply problem of heating jet flow under high temperature, high pressure and variable attack angle, and has engineering application value.

The invention belongs to the technical field of petroleum geological prospecting instrument supporting equipment, and particularly relates to a pressure bearing pole plate for a logging instrument. According to the pressure bearing pole plate for the logging instrument, the pressure bearing problem that a pole plate is internally provided with a cavity and related measuring device pole plates needto be arranged internally can be effectively solved. The pressure bearing pole plate for the logging instrument includes a pole plate bottom casing, the two ends of the pole plate bottom casing are provided with an upper joint and a lower joint respectively, a pressure bearing plug is inserted at the position of an opening of the upper joint, an upper pole plate casing is mounted over the pole plate bottom casing, and an electrode is mounted on the upper pole plate casing. An upper oil injection port is disposed at the position of the upper joint, and a lower oil injection port is disposed atthe position of the lower joint. The upper oil injection port and the lower oil injection port are respectively communicated with an inner cavity formed after the installation of the pole plate bottom casing and the upper pole plate casing is completed.

The invention discloses a nipple type oscillating cavity for monitoring gas components of natural gas pipelines, which comprises a nipple pipe body connected to the long-distance natural gas pipeline to be measured; Outer coaxial arrangement: sieve-type inner layer tube, resin coating, inner reflection layer and outer reflection layer, an annular structure is formed between the inner reflection layer and the outer reflection layer; the inner reflection layer includes a sieve-type outer layer tube and an inner specular reflective layer arranged on the outer surface of the sieve-type outer layer tube, the outer reflective layer includes an outer steel tube and an outer specular reflective layer arranged on the inner surface of the outer steel tube; the sieve-type inner layer tube, the resin-coated layer and the sieve-type outer layer tube form a filtering permeable layer to filter natural gas; the inner specular reflective layer, the annular structure and the outer specular reflective layer form an optical oscillation cavity for accommodating the gas permeating into the annular structure molecules, forming a light circuit at the same time. The invention realizes the real-time monitoring of the gas components of the natural gas pipeline and the online collection of multiple components at the same time.

The invention discloses a short-section type oscillation cavity for monitoring gas components of a natural gas pipeline, which comprises a short-section pipe body connected to a measured natural gas long-distance pipeline, wherein the short section pipe body comprises a sieve type inner layer pipe, a resin coating, an inner reflection layer and an outer reflection layer which are coaxially arranged from inside to outside, and an annulus structure is arranged between the inner reflection layer and the outer reflection layer; the inner reflection layer comprises a sieve type outer layer pipe andan inner mirror reflection layer arranged on the outer surface of the sieve type outer layer pipe; the outer reflection layer comprises an outer steel pipe and an outer mirror reflection layer arranged on the inner surface of the outer steel pipe; the sieve-type inner-layer pipe, the resin coating and the sieve-type outer-layer pipe form a filtering permeation layer for filtering natural gas; theinner mirror reflection layer, the annular structure and the outer mirror reflection layer form an optical oscillation cavity used for containing gas molecules permeating into the annular structure,and meanwhile an optical loop is formed. According to the invention, real-time monitoring of natural gas pipeline gas components and simultaneous on-line collection of multiple components are realized.

The invention discloses an internal-condensation metal inner tube type solar energy heat-collecting device which belongs to the field of solar energy heat utilization. A filling fixture, an involute type reflection surface, a metal absorption tube, a metal regulating tube, a screw and a piston are sequentially inserted in an outer glass tube; upper ports and lower ports of the metal absorption tube and the metal regulating tube are respectively sealed by an upper end cover and a lower end cover through welding, a water inlet and outlet pipe is connected to the lower end cover and a steam exhaust pipe is connected to the upper end cover, the screw penetrates through the upper end cover to be connected with a motor, the motor is fixed at the outer part of the upper end cover, two ends of the outer wall of the metal absorption tube are inwards sequentially provided with straight mouth rings, corrugated rings and alloy rings from openings in a sleeving and welding manner, and one ends of the two alloy rings at two ends are respectively in burn-back with two ends of the outer glass tube so that a vacuum interlayer is formed between the outer glass tube and the metal absorption tube. The internal-condensation metal inner tube type solar energy heat-collecting device can be used for condensing light and bearing pressure, can be made into a single-tube water heater, has capabilities of freely regulating water storage quantity and providing steam or boiled water, and can be used in life, water purification, heating, refrigerating and the like.

The invention belongs to the technical field of hypersonic wind tunnel tests, and discloses a flexible pipeline device used for gas supply by mixing and heating gas jets in a hypersonic wind tunnel. The flexible pipeline device includes a flexible hose and a rigid pipe connected in sequence, and a fixing device; the middle section of the flexible hose is a hose, and the two ends are flanges; The hard pipe arranged on the windward side of the mechanism scimitar and extending from bottom to top, and the fixing device for fixing the hard pipe on the windward side of the mechanism scimitar; the inlet end of the hard pipe is provided with a hose adapter, and the end face of the hose adapter is provided A lens pad is provided for sealing with the flange interface of the flexible hose; the outlet end of the hard pipe is provided with a flange connected with the air inlet pipe of the test device. The flexible pipeline device solves the gas supply problem of the heating jet under high temperature and high pressure and a variable attack angle, and has engineering application value.

The invention relates to a concentrating solar photo-thermal and photoelectric mixed collector. The collector comprises quartz heat colleting tubes which are internally filled with semitransparent liquids, a photovoltaic cell and a cooling channel thereof. The collector further comprises reflectors arranged on two sides of the quartz heat collecting tubes, quartz glass tubes externally surrounding the quartz heat collecting tubes, the photovoltaic cell and the battery cooling channel, metal end covers at two ends of the quartz glass tubes and thermal expansion counteracting structures. The quartz glass tubes tightly seal the heat collecting tubes in a vacuum environment, so that the heat loss of the heat collecting tubes is reduced; the quartz heat collecting tubes are designed as single-sided or double-sided concave channels, so that the incident rays at the photovoltaic cell are more uniform, and therefore, the photoelectric efficiency is improved and the pressure bearing capacities of the quartz heat collecting tubes are improved; and the thermal expansion counteracting structures absorb axial thermal deformation at a high temperature of the heat collecting tubes. Compared with the prior art, the solar utilization ratio of the photo-thermal and photoelectric mixed collector is effectively improved, the problems of thermal expansion and pressure resistance of the heat collecting tubes are solved, and the stability of the mixed collector is improved.

The invention discloses a rehabilitation chair for suspending hips and an adjustable-height hip pad. The rehabilitation chair includes a base component, an armrest component, a leg supporting component and a backrest component; the armrest component, the leg supporting component and the backrest component are in adjustable support connection with the base component, and a hip suspension area is formed between the leg supporting component and the backrest component; and a hip frame of the base component is provided with a hip pad lifter to adjust the height of the hip pad, and the suspension area is arranged to improve ventilation physical therapy of hips and pudenda.

The invention provides a sealing device for laser welding, and relates to a sealing structure. The device solves the problems that the multi-position continuous laser welding of structural members cannot be completed and the pressure bearing cannot be realized in the processes of vacuum pumping and argon filling for the existing laser welding by using transparent glass. The device comprises a vacuum chamber and a mounting frame which is fixedly provided with a transparent glass plate, and also comprises an air cylinder fixing seat, a sealing cover plate, N air cylinders, N slide valves and N push rods, wherein the mounting frame which is fixedly provided with the transparent glass plate is inserted into the middle of the upper wall of the vacuum chamber; the N air cylinders are uniformly distributed on the air cylinder fixing seat in the circumferential direction, and the end parts of driving rods of the N air cylinders are fixedly mounted on the sealing cover plate; the N slide valves are uniformly distributed on the edge of the mounting frame which is fixedly provided with the transparent glass plate, each slide valve comprises a valve rod, a valve body and a sealing ring, the sealing rings are fixedly mounted on the valve rods, the valve rods are vertically mounted in the valve bodies in a sliding manner, and the sealing rings are bonded with inner cavities of the valve bodies. The device is used for laser welding.

The invention provides a pressureproof sealed cabin suitable for underwater motions. The pressureproof sealed cabin comprises a plurality of cone-shaped cabin sections and a plurality of columnar cabin sections which are connected in series, wherein an axial sealing structure is formed between one cone-shaped cabin section and another cone-shaped cabin section and a radial sealing structure is formed between each cone-shaped cabin section and each columnar cabin section or between each columnar cabin section and another columnar cabin section. Compared with the prior art, the pressureproof sealed cabin provided by the invention has the advantages that through structural optimization design and sealed design, the pressure-bearing and sealing problems of the pressureproof cabin in a high speed moving process are solved. The ways of axial docking sealing design between the cone-shaped sections as well as the radial sealing designs between the cone-shaped sections and the columnar sections and between the columnar sections are put forward, so that the problem on sealed design of the cone-shaped and columnar sections of the pressureproof cabin is effectively solved.

The invention relates to the technique for cooling hot gas, particularly to a temperature reduction method for hot gas and a device thereof. At present, the method for reducing temperature by spraying is used widely, which not only increase the composition of hot gas and the volume flow, but also increase the investment of system, with low heat exchange efficiency and difficulty to control the process. The invention comprises a tube bundle heat exchanger canister, an outer jacket of a tube bundle cooler, a light tube heat exchange unit, and a finned tube heat exchange unit. The light tube heat exchange unit and the finned tube heat exchange unit are orderly disposed inside of the tube bundle heat exchanger canister. The outer jacket of a tube bundle cooler is fixedly disposed on the outerwall of the tube bundle heat exchanger canister. The hot gas is cooled by air exchanging heat with recycled cooling water by entering the tube bundle heat exchanger. By adopting the tube bundle heat exchanger, with the outer jacket opening, the invention can efficiently decrease the temperature of the tube bundle heat exchanger, decrease the load of canister, reduce the thickness of the canister,and lower the investment.

The invention discloses a high pressure star-like feeder. The high pressure star-like feeder comprises a motor, a rotor and a star-like feeder shell, wherein the front end of the rotor is connected with the star-like feeder shell by a rotating bearing; a shell end cover for sealing is arranged on the star-like feeder shell; the tail end of the rotor is connected with an output shaft of the motor by using a rigid shaft coupling; a bearing pressing ring is arranged between the exterior of the rotating bearing and the star-like feeder shell; a right-angled folding edge is arranged at one end of the bearing pressing ring; the star-like feeder shell is closely connected with a reducing section pressure cover used for sealing the middle part of the rotor by using the folding edge; the other end of the reducing section pressure cover is closely connected with a sealing cover of the motor by using a motor fixing piece; and an end cover for sealing is arranged at the tail end of the sealing cover. According to the invention, by using integral sealing, the motor is cooled by using high pressure purging wind and the bearing is sealed at high pressure so that the pressure bearing problem is solved; meanwhile, the friction of the rotating shaft is also reduced, the motor power is reduced, the coal dust leakage is prevented, and the material can be added under various pressure environments, such as low pressure, medium pressure, high pressure and the like.

The invention discloses a stay wire type displacement sensor applied to full sea depth and an application method thereof. The pull wire type displacement sensor comprises a wire wheel cabin, a rotaryspring cabin and a signal conversion cabin. A reel assembly is arranged in the reel cabin, a pull wire is wound on the wheel disc, the two ends of the pull wire form a pull wire end and a wire returnend, and the pull wire end and the wire return end of the pull wire extend out of the reel cabin from the first wire outlet hole and the second wire outlet hole respectively after being wound out of the wheel disc in the reverse direction. The invention provides a stay wire type displacement sensor applied to full sea depth and an application method of the stay wire type displacement sensor. Whena measured object returns, an external force is applied to the wire return end equivalently, and the external force and the spring force of the rotary spring act together to drive the wheel disc to rotate reversely, so that the pull wire at the pull wire end is wound on the wheel disc again, and the pull wire end returns to a measurement original point or a specified position smoothly. The signalconversion cabin adopts self-deformation of the elastic wall to automatically compensate external water pressure, and the pressure bearing problem of the stay wire type displacement sensor working ina full-sea-depth environment is solved.

The invention discloses a high-temperature and high-pressure-resistant stirrable intermediate container device and a porous medium displacement experimental system, comprising an intermediate container and a stirring mechanism, the intermediate container includes a cylinder body, an upper end cover, a lower end cover, an upper end cover, a lower end cover and a cylinder The body is screwed tightly and sealed, and the stirring mechanism is arranged in the intermediate container; the upper end cover and the lower end cover are provided with axial through holes, and the top of the upper end cover and the bottom of the lower end cover are connected with two open valves; the stirring The mechanism is a cylindrical structure, and its outer diameter matches the inner diameter of the cylinder. The side of the stirring mechanism moves up and down along the inner wall of the cylinder. The stirring mechanism is equipped with a piston mechanism to seal and isolate the upper and lower parts of the cylinder. The invention improves the structure of the existing intermediate container so that it can withstand high temperature and high pressure and realize the stirring function. It can also increase or decrease the number of battery packs to change the battery capacity to meet the needs of different stirring times. At the same time, the control system is improved to make it better. achieve stirring.

The invention provides an oil and water two-phase metering device which comprises a microcomputer (1), a bottom plate (2), a thermostat (3), an oil and water separation part, a high-pressure window part, an oil volume metering part and a total volume metering part, wherein the oil and water separation part, the high-pressure window part and the oil volume metering part are arrayed linearly in sequence, arranged on the bottom plate (2) and placed in the thermostat (3). The device achieves separated metering of an oil and water mixture during a scientific research experimental process of an oil field, and measurement of the instantaneous flow rate and accumulated flow rate of the total volume of the oil and water mixture on line at high temperature and high pressure, and the instantaneous flow rate and accumulated flow rate of oil and water; the device and a front end experimental model can be placed in the same temperature field; the distance between the metering device and the experimental model is shortened to the greatest extent; and a reliable method is provided for reflecting states of the oil and the water in the model more precisely and timely.

The invention discloses a hot water supply system comprising a vacuum tube solar collector, a heating box and copper pipes, wherein the copper pipes are copper pipe rows which are connected and are located in the heating box; one end of the copper pipe is communicated with a tap water pipe and the other end of the copper pipe is connected with a water discharging pipe; the vacuum tube solar collector and the heating box form a circulation system by two pipes. When the hot water is needed, cold water is filled to the copper pipes; the hot water in the vacuum tube solar collector is filled to the heating box so as to heat the cold water in the copper pipe. Therefore, the hot water can be used when being heated, so that no water deposits exist and water health is ensured. In addition, due to an electronic control valve arranged on the copper pipe where the cold tap water is filled, no water exists in the copper pipe when hot water is not needed, so that the water pressure problem is solved.