153 results about "Insulated pipe" patented technology

The invention relates to the technical field of vacuum heat insulation pipes, in particular to a vacuum heat insulation pipe regulation and control method based on a self-adaptive heat flow prediction algorithm, and the method comprises the steps: S1, collecting the temperature, vacuum degree, flow and other synchronous data of a partition; s2, calculating physical quantities such as partition heat flux density; s3, constructing feature vectors and recursively updating parameters; s4, establishing a heat flow prediction model and a vacuum conduction prediction model; s5, performing joint normalization on the thermal mode residual error and the vacuum mode residual error; s6, a target partition is determined through sparse inversion, and a partition regulation and control instruction is generated; s7, cooperatively setting air exhaust, air supply, bypass and heating under the constraint; and S8, recursive least square is matched with a forgetting factor to update model parameters online. According to the method, real-time positioning is achieved under the condition that conveying is not stopped, partition abnormity is restrained, and the vacuum degree of the partition interlayer cavity and the temperature of the outer wall of the inner pipe are stably maintained in a preset working condition window.

The invention discloses a method and a device for heat preservation and decoration of an outer wall of a building. The method comprises the following steps: providing a plurality of first pipes which extend in parallel along a first direction and are fixed on the outer wall of the building, wherein the first direction is the height direction of the building; a plurality of second pipes which are connected to the first pipes in the second direction perpendicular to the first direction and fixed to the outer wall of the building are provided, so that the first pipes and the second pipes form a square frame on the outer wall of the building, and the heat preservation material is laid in the square frame to form a heat preservation layer so as to conduct heat preservation on the outer wall of the building; a hanging plate is provided, the hanging plate covers and is fixed to the square frame, and the first pipe and the second pipe are heat insulation pipes with hollow cavities. While heat preservation of the building outer wall is ensured, rain and snow water is prevented from permeating into the heat preservation layer of the building outer wall from the outside through cracks formed by cracking of the outer facade of the heat preservation layer, and cracking of the outer facade of the heat preservation layer caused by leakage and frost heaving of the heat preservation layer is further avoided.

A vacuum insulated pipe assembly 100 comprises first and second pipe sections. Each pipe section has an outer wall 120, 220 and an inner wall 110, 210 within the outer wall. The outer and inner walls

The utility model discloses the heat -preserving pipe spare with anti -skidding structure relates to pipe fitting technical field, including heat -preserving pipe main part and support, heat -preserving pipe main part is located the just above of support, heat -preserving pipe main part outside installation has anti -skidding subassembly. The utility model can effectively avoid the problem that heat -preserving pipe spare slips with using and causes interface to come off, promotes anti -skidding subassembly to slide outside heat -preserving pipe main part, makes anti -skidding subassembly move a distance, and the movable end of turnover screw rod is made into the avoidance groove, then twists screw rod and makes it along with the thread cooperation's connecting ring movement, because the position of connecting ring is restricted again and cannot produce relative movement with mounting groove, and the movable end of two mounting rings will be pulled and close to each other, then the inside clamping tooth of two is clamped into the corresponding clamping groove of two limit strips respectively, thus, mounting ring will be restricted, cannot produce relative movement with heat -preserving pipe main part, finally will be prevented the board of two mounting ring outside and is sleeved in the outside of support.

The utility model discloses an energy-saving heat exchange device of a refrigerating unit, which relates to the technical field of refrigerating equipment and comprises a first tube box, a cold fluid inlet, a cold fluid outlet and a partition plate, the upper end face of the first tube box is in circulating connection with the cold fluid inlet, and the lower end face of the first tube box is in circulating connection with the cold fluid outlet. A partition plate is welded to the middle of the first tube box, and one side of the first tube box is in bolted connection with a fixing flange. According to the energy-saving heat exchange device of the refrigerating unit, the two sides of the shell are coated with the first heat insulation pipe and the second heat insulation pipe correspondingly, the heat insulation pipes are fixed to the shell through cooperation of the first clamping plate, the second clamping plate and the fastening screw, heat loss is reduced, the energy utilization efficiency is improved, and the second pipe box on one side of the shell is in threaded fastening connection with the shell through the connecting flange; the overall sealing performance and stability of the device are guaranteed, it is ensured that the heat exchange process is efficiently carried out, then the energy-saving heat exchange function of the refrigerating unit can be effectively achieved, and the refrigerating efficiency is improved.

This invention provides an intake assembly and a compressor. The intake assembly includes an intake pipe disposed on a stationary plate, a heat insulation pipe sleeved on the intake pipe, a gap between the intake pipe and the heat insulation pipe, one end of the heat insulation pipe being disposed on the stationary plate, and the other end of the heat insulation pipe extending outside the compressor housing. According to this invention, the technical problem of overheating during intake due to the intake pipe being exposed to the high-pressure chamber gas in the prior art can be solved.

A connector for connecting a gas pipe and a heating component of a wire bonder includes a first connection end for connecting the connector to the heating component, and a second connection end for connecting the connector to the gas pipe. A heat-insulation tube is connected between the first connection end and the second connection end. The heat-insulation tube is made of a heat-insulation material and configured to insulate or reduce heat transfer between the first connection end and the second connection end. The connector may further include a first fastening sleeve for fastening the connection between the first connection end and the heat-insulation tube, and a second fastening sleeve for fastening the connection between the second connection end and the heat-insulation tube.

The utility model belongs to mechanical equipment technical field, concretely relates to an automatic candle and candle system, the automatic candle, include: candle body, high -voltage generator, metal pipe and insulating heat -proof pipe, the high -voltage generator is located in the candle body, the high -voltage generator is equipped with first electrode and second electrode, the metal pipe is located in the candle body, the top end of metal pipe protrudes the top of candle body, the metal pipe is used as gas supply line and its bottom end is connected with the first electrode of high -voltage generator, the insulating heat -proof pipe is sleeved in the metal pipe outside, the second electrode of high -voltage generator is set up in the outside of insulating heat -proof pipe, the utility model discloses through high -voltage generator, metal pipe and so on structure design, has realized the automatic ignition function of candle, need not manual use lighter or match, has improved the convenience and security of use.

The present application relates to a kind of detection systems for detecting the leak of the inner tube of vacuum insulated pipeline of test station, including the vacuum insulated pipeline for transmitting the low-temperature liquid generated by cryogenic refrigerator to distribution valve box, the vacuum insulated pipeline is connected with at least one helium mass spectrometer leak detector;Wherein, the vacuum insulated pipeline is welded by several prefabricated sections through corresponding transition section, each prefabricated section includes internal pipeline, external pipeline and vacuum interlayer between internal pipeline and external pipeline, vacuum safety plug is arranged on the external pipeline of each prefabricated section, and at least one prefabricated section is connected with an auxiliary evacuation system.The present application also relates to a kind of detection method for detecting the leak of the inner tube of vacuum insulated pipeline of test station.The present application realizes the detection of the inner tube of vacuum insulated pipeline section by section, can accurately and quickly determine the inner tube with leak, and quickly and accurately locate the leak range, improve detection efficiency and detection accuracy.

The invention discloses a vacuum heat preservation conveying pipe device and a pipeline conveying system, the pipeline conveying system comprises two conveying pipe devices, a pump and a control unit, each conveying pipe device comprises an inner pipe, an outer pipe and an electric heating structure, each inner pipe is arranged in the corresponding outer pipe, and each outer pipe is arranged in the corresponding electric heating structure. A closed cavity is formed between each inner pipe and each outer pipe, each electric heating structure surrounds each inner pipe, each inner pipe is connected and communicated, the pump pumps air in each cavity to enable each cavity to be in a vacuum state, the control unit controls the operation states of each electric heating structure and the pump, heat energy transmitted outwards through each outer pipe is reduced, and the heat energy utilization rate is improved. The inner pipe is easily kept at a default temperature, and the electric energy consumption of each electric heating structure is reduced.

The invention discloses a device and method for detecting the folding-resistant on-off stability of an FPC flat cable, and the device comprises a guide support frame which is provided with a plurality of first flat memory alloy tubes, a plurality of flat heat insulation tubes and a plurality of second flat memory alloy tubes, wherein the ports of the first flat memory alloy tubes, the flat heat insulation tubes and the second flat memory alloy tubes are sequentially and fixedly butted at intervals. The port of the first flat memory alloy pipe at one end is fixedly butted with a cold and hot air assembly for switching supply of cold and hot air; wherein two detachable resistance test interfaces are installed on the top surfaces of the two flat heat insulation pipes, and a pressing rod is installed over the second flat memory alloy pipe. According to the invention, the problems of incomplete detection coverage, low efficiency, unreal environment simulation and poor driving stability of an existing FPC flat cable folding resistance on-off stability detection device are solved.

The utility model discloses a heat preservation pipeline bearing device which comprises a bottom plate, a cushioning assembly is arranged at the top of the bottom plate, and an installation assembly is installed at the top of the cushioning assembly. The cushioning assembly comprises a cushioning base, the bottom of the cushioning base is fixedly connected with the top of the bottom plate, a damper is fixedly mounted at the top of the cushioning base, the top of the damper is fixedly connected with the bottom of the mounting assembly, a movable block is slidably connected into the cushioning base, and a connecting column is fixedly connected to the top of the movable block. The top end of the connecting column is fixedly connected with the bottom of the mounting assembly, the bottom of the movable block is fixedly connected with a spring, the bottom end of the spring is fixedly connected with a buffer pad, and the buffer pad is fixedly mounted in the cushioning base. According to the scheme, the bottom plate, the cushioning assembly and the mounting assembly are arranged, through the structure, vibration generated when a medium in the heat preservation pipeline circulates is relieved, and the effects of reducing noise and preventing parts of the bearing device from loosening are achieved.

The utility model relates to a shield constructs grouting device technical field especially is shield ground butt joint posture auxiliary control synchronous grouting device, including many grouting pipes, the grouting pipe end connection, one end of one grouting pipe is connected with grouting pump, the surface of many grouting pipes all is equipped with two heat insulation pipes, and the side contact of adjacent two heat insulation pipes, the surface of heat insulation pipe and grouting pipe surface contact is equipped with the heat conduction long hole of surface, and the both ends of two heat insulation pipes are connected through a plurality of fixed agencies, and the inside of a plurality of heat insulation pipes all is equipped with two heat medium delivery pipes, this scheme through two spliced on the grouting pipe surface heat insulation pipe, when disassembling two heat insulation pipes, need to operate fixed agency and separate between two heat insulation pipes, and convenient staff will disassemble heat insulation pipe from the grouting pipe, do not need to disassemble grouting pipe, improve the convenience of operation.

The application relates to a gas-liquid separation device, which comprises a pipe component and a heat insulation assembly. The pipe component comprises a heat exchange pipe and a flow pipe. The heat exchange pipe has a first flow channel. The flow pipe is sleeved on the outer periphery of at least part of the heat exchange pipe. The flow pipe and the heat exchange pipe have a second flow channel therebetween. The heat insulation assembly comprises a heat insulation pipe. The heat insulation pipe is sleeved on the outer periphery of at least part of the flow pipe. The heat insulation pipe and the flow pipe have a heat insulation cavity therebetween. The gas-liquid separation device has a containing cavity. The wall forming the containing cavity comprises the outer peripheral wall of at least part of the heat insulation pipe. The heat insulation assembly comprises a first sealing piece and a second sealing piece. The first sealing piece can seal one end of the heat insulation cavity. The second sealing piece can seal the other end of the heat insulation cavity. In this way, the heat exchange effect can be improved.

A vacuum-insulated pipe assembly comprises an outer pipe 120 and an inner pipe 110, concentric along a common central axis 150 to define an annular space, the space evacuated to define a vacuum. The o

A system for predicting corrosion under insulation for a network of insulated pipes, vessels, and tanks includes a corrosion modeling engine operable to receive sensor data and generate predicted rates of corrosion. The corrosion modeling engine includes a corrosion rate calculation module operable to compare an operating temperature of an insulated component to a dew point temperature of a surrounding environment to generate a predicted rate of corrosion, and a remaining life prediction module operable to generate a predicted remaining lifetime of the insulated component using the predicted rates of corrosion and on-stream inspection data. The system further includes an alarm communicatively coupled to the corrosion modeling engine and operable to alert an operator that the predicted rate of corrosion, the predicted remaining lifetime, or a combination thereof is within a pre-determined threshold.

This invention discloses a core holder and experimental method for thermal stress fracturing experiments, comprising: an insulated pipe kit having a through cavity; a heating device at one end of the insulated pipe kit, and an insulation layer in the area outside the heating device; a first temperature sensor on the upper side of the area opposite the insulation layer, and a transparent glass-encased steel container on the lower side of the area opposite the insulation layer; a second temperature sensor on the heating device; a clamping device for clamping the insulated pipe kit; a piston kit disposed on the clamping device for introducing gas or liquid into the cavity of the insulated pipe kit; and a device for clamping the experimental core placed in the cavity of the insulated pipe kit. This experimental apparatus, in addition to thermal stress fracturing displacement experiments, can also meet the equipment requirements of conventional body experiments, exhibiting strong functionality.

This utility model provides a polyurethane insulated pipe with pipe supports, belonging to the field of insulated pipe technology. It addresses the problem that existing polyurethane insulated pipes with pipe supports require disassembly and repositioning of the pipe supports when their installation position is incorrect, which is cumbersome and inefficient. The new design includes two fixed uprights, both fixedly connected to the upper surface of a base; two sliding uprights, each slidably connected to the inner side of the two fixed uprights; a fixed pipe support fixedly connected to the upper end of the two sliding uprights; a hinged pipe support hinged to the upper end of the fixed pipe support; and an insulation sleeve positioned on the upper end of the fixed pipe support. This design enables easy installation and adjustment of the pipe support, improving adaptability and reliability, and reducing the labor intensity of construction workers.

The invention provides a multi-layer heat insulation pipeline used for conveying gas. The multi-layer heat insulation pipeline used for conveying first gas comprises an inner pipeline and an outer pipeline. The first gas is conveyed in the inner pipeline in the gas extraction direction. The inner pipeline is provided with a plurality of through holes. The inner pipeline is arranged in the outer pipeline. The outer pipeline comprises an air inlet pipe. The second gas is firstly heated or cooled and then is injected into the outer pipeline from the gas inlet pipe. The second gas is non-reactive with respect to the first gas. The first pressure of the first gas is less than the second pressure of the second gas.

The application relates to a washing machine inlet and drain pipe and a control method thereof and a washing machine, the inlet and drain pipe comprising a water inlet pipe, a heat storage layer, a drain pipe and a heat insulation pipe; the heat insulation pipe is attached to the drain pipe and can realize heat exchange with the drain pipe; the heat storage layer is attached to the heat insulation pipe and can realize heat exchange with the heat insulation pipe; the water inlet pipe is attached to the heat storage layer and can realize heat exchange with the heat storage layer; the heat insulation pipe can be filled with heat exchange liquid or air; when the heat insulation pipe is filled with heat exchange liquid, the heat insulation pipe can realize heat exchange with the drain pipe; when the heat insulation pipe is filled with air, no heat exchange or reduced heat exchange efficiency is realized between the heat insulation pipe and the drain pipe; the scheme can effectively reduce energy consumption caused by heating during washing, reduce heating time of heated washing or heated rinsing, reduce detergent residues on clothes during cold water rinsing, and improve washing and rinsing efficiency.

This invention discloses a deployable fire-operated slotting device, comprising a deployable fire-operated slotting nozzle and a gas pipeline, which are connected by a heat-insulating hose. The fire-operated slotting nozzle includes two parallel semi-circular heat-insulating tubes, the tails of which are connected to the gas pipeline via heat-insulating hoses. A sleeve is provided on the rear half of the semi-circular heat-insulating tubes and the outer side of the heat-insulating hoses. A horizontally arranged pin and steel wire rope are welded inside the sleeve. In the borehole, the fire-operated slotting nozzle moves the sleeve backward by pulling the steel wire rope, releasing the two semi-circular heat-insulating tubes and the heat-insulating hoses from the sleeve's constraint. The two semi-circular heat-insulating tubes unfold under the traction of the spring and the steel wire rope, forming a T-shaped structure. After ignition and with dragging, it can achieve directional fire-operated slotting in the borehole, forming a wider slot, thereby obtaining a larger free surface in the coal seam, reducing drilling volume, and improving pressure relief.

The utility model discloses a furnace wall preheating device of a copper alloy smelting furnace. The furnace wall preheating device comprises a hanging ring arranged on the top face of a sealing cover plate, a heat insulation pipe A is vertically arranged in the center of the bottom face of the sealing cover plate, a telescopic rod A is arranged in the heat insulation pipe A in a sliding mode, and a first telescopic cylinder capable of driving the telescopic rod A to slide in the vertical direction is arranged in the heat insulation pipe A; a plurality of heat insulation pipes B are arranged in the circumferential direction of the outer walls of the heat insulation pipes A and the telescopic rods A at equal intervals, telescopic rods B are slidably arranged in the heat insulation pipes B, and second telescopic cylinders capable of driving the telescopic rods B to horizontally slide are arranged in the heat insulation pipes B; the tail ends of the telescopic rods B on the heat insulation pipe A are fixedly connected with upper heating plates, and the tail ends of the telescopic rods B on the telescopic rods A are fixedly connected with lower heating plates; the preheating device has the advantages of being high in heating efficiency, capable of preheating smelting furnaces with different inner cavity sizes, reducing the cold start time of the smelting furnace, reducing moisture absorption of the furnace wall during long-time placement, simple in structure, low in cost and the like.

The utility model discloses a material low-temperature environment mechanical property testing system which comprises a pressure head assembly for applying pressure to a material to be tested, an experimental platform which is spatially corresponding to the pressure head assembly and is used for placing the material to be tested, and a shell which is arranged at the periphery of the experimental platform and is used for introducing cold air into an experimental cavity, the top of the shell is provided with a press-in hole for the pressure head assembly to extend into and pass through, the refrigeration unit is communicated with the experiment chamber through a heat insulation pipeline, and a refrigeration chamber for accommodating to-be-cooled gas is arranged in the refrigeration unit; and a semiconductor refrigeration assembly for cooling gas in the refrigeration chamber is arranged on the side wall in the refrigeration unit. According to the system for testing the mechanical properties of the material in the low-temperature environment, the semiconductor refrigeration assembly is arranged in the refrigeration chamber for refrigeration, the refrigeration cost is low, the device vibration is small, the stability is good, the refrigeration is relatively gentle, and the problem of frosting is not easy to occur in the experiment chamber.

This invention discloses a saline water desalination system combining a hemispherical solar distiller with underground soil condensation. The system comprises a saline water storage device 1, an evaporation device 2, a condensation device 3, and a freshwater collection device 4. The saline water storage device 1 provides the saline water source for the entire system. The evaporation device 2 utilizes saline water pumped by a water pump 11 for natural evaporation. A centrifugal fan 32 promptly transports the generated water vapor to the underground condensation device 3 via an insulated pipe 31, where it exchanges heat with the soil underground. Finally, the generated freshwater is collected in the freshwater collection device 4. This system eliminates the traditional method of collecting desalinated water where the evaporation and condensation processes occur in the same space. It proposes a method that physically isolates the evaporation and condensation processes of saline water under the influence of solar energy, solving the problem of a significant decrease in condensation efficiency as evaporation and condensation continue in the same space.

The invention belongs to the technical field of insulating steel bar production, and particularly relates to an automatic insulating pipe supply device in insulating steel bar production for high-speed rails.The automatic insulating pipe supply device comprises a supporting frame, a material collecting box, a flexible clamping jaw and an adjusting assembly, the material collecting box is installed on the supporting frame, and the adjusting assembly is installed on the supporting frame and can be adjusted in the horizontal direction and the vertical direction; the flexible clamping jaw is installed on the adjusting assembly. Compared with the prior art, gaps of heat shrink tubes near the suction cup can be reduced, and the batch grabbing capacity of the suction cup is remarkably improved.

A coupling device including a water pipe connector having a mounting channel extending in an axial direction of the water pipe connector, and a heat insulation pipe arranged within the mounting channel with a gap formed between at least part of the heat insulation pipe and an inner circumferential wall of the water pipe connector. An end of the water pipe connector is configured to be in communication with a water tank cavity. A protrusion is provided to form a seal between the water pipe connector and the heat insulation pipe. The protrusion is provided at the inner circumferential wall of the water pipe connector, and extends towards and abuts an outer circumferential wall of the heat insulation pipe; or is provided at the outer circumferential wall of the heat insulation pipe, and extends towards and abuts the inner circumferential wall of the water pipe connector.

The utility model relates to the technical field of rigid polyurethane thermal insulation pipes, in particular to a rigid polyurethane foam plastic prefabricated thermal insulation pipe which comprises a steel pipe, a thermal insulation layer, a protective layer and a connecting mechanism, the connecting mechanism comprises a connecting cylinder, a plurality of clamping blocks and a fixing assembly, the connecting cylinder is provided with a plurality of clamping grooves, and the thermal insulation layer is fixedly connected with the outer side wall of the steel pipe. The protective layer is fixedly connected with the outer side wall of the heat preservation layer, the heat preservation layer is located between the steel pipe and the protective layer, the connecting cylinder is fixedly connected with one end of the steel pipe, the multiple clamping blocks are fixedly connected with the other end of the steel pipe, the multiple clamping blocks are in sliding connection with the connecting cylinder and extend into the multiple clamping grooves correspondingly, and the fixing assembly is arranged on the protective layer. According to the heat preservation pipe, the two heat preservation pipes are aligned and connected through the connecting mechanism, the connecting mode is simple, re-dismounting and re-mounting are easy, maintenance and detection are convenient, and then the practicability of the heat preservation pipe is improved.

The utility model relates to the technical field of concrete curing, in particular to a device for simulating constant air temperature curing of a concrete test block, which comprises a fan heater, a model box, a heat insulation pipe, a heat insulation cover and an air return pipe, a lifting component is further arranged in the model box, and a uniform heating component is further arranged on the heat insulation cover. The concrete curing device can approximately simulate most concrete curing environments at constant air temperatures, can simultaneously perform curing at multiple groups of different temperatures, is simple and convenient to operate and low in cost, can disperse and uniformly blow hot air onto a concrete test piece through a plurality of nozzles, so that the concrete test piece is uniformly heated, and can uniformly heat the concrete test piece through a uniform heat telescopic rod and a reset spring. The air injection position of the nozzle is changed to prevent a certain point of the concrete test piece from being heated constantly and the temperature is too high.

A vacuum-insulated pipe assembly 100 has an outer pipe 121 and an inner pipe 111 within the outer pipe 121, the inner pipe 111 distanced from the outer pipe 121 to provide a space 130, the space 130 e