109results about "Pipe heating/cooling" patented technology

The utility model relates to gas conveying pipeline anti -icing heating device technical field especially relates to a kind of gas conveying pipeline anti -icing heating device.A kind of gas conveying pipeline anti -icing heating device, including gas pipe, flange, heating belt, clamping device, fixed bolt, sleeve and fixer, two gas pipes are close to the center end and are fixedly connected with flange, several heating belts are slidably contacted between the surface of two gas pipes and two flanges, clamping device is equipped in the upper and lower sides between two gas pipes, four fixed bolts are threadedly connected between two clamping devices, multiple sleeves are slidably connected in the left and right sides of two clamping devices, and each sleeve is slidably connected with fixer close to the center end.The utility model is by adopting sleeve and fixer sliding fit, and the structure of the pressure force exerted by combination telescopic spring, so that fixer can automatically compress heating belt, avoid the problem that traditional adhesive tape or metal cable tie is fixed and easy to loosen, aging, corrosion or scratch heating belt insulating layer.

The application belongs to the technical field of control system, and particularly relates to a composite heating method and system for starting and running of a molten salt pipeline, which comprises a resistance electric heat tracing band evenly laid along the outer wall of a pipeline to be heated, and an electromagnetic induction heat tracing device arranged on a set pipe section of the outer wall of the pipeline at a specific interval; when the pipeline is in an empty pipe state, the resistance electric heat tracing band is started, and the whole pipeline is heated to a first preset temperature higher than a solidification point of molten salt according to a pipe wall temperature; when the whole pipeline temperature reaches the first preset temperature and is maintained for a set time, and the temperature field stability condition and the heat preservation duration condition are met, molten salt is injected into the pipeline, then the resistance electric heat tracing band is turned off, and the electromagnetic induction heat tracing device is started; at this time, the molten salt medium temperature at the outlet of the pipeline is taken as a control target, and the temperature of the molten salt in the pipeline is maintained at a higher second preset temperature by independently adjusting the power of each distributed electromagnetic induction heat tracing device. Through coupling of the heating mode and the medium state, a balance is achieved among safety, energy consumption and temperature control.

The invention relates to a process for removing an obstruction (13) caused by gas hydrates or water ice from the tubing (12) of a hydrocarbon production or injection well or a riser. The process comprises passing a microwave generating and emitting tool (5) on wireline (8) down the tubing (12) and supplying electrical power to the tool via the wireline (8) or from a battery to produce microwave energy and direct it to the gas hydrate and / or water ice deposit (13), thereby melting deposit and unblocking the well.

The utility model relates to the technical field of conveying pipeline, specifically relates to a liquor conveying pipeline, including pipeline body and constant temperature sleeve, constant temperature sleeve includes cavity sleeve, shunt, electric control valve, temperature detector and heat preservation layer, when using pipeline body to transport liquor in cold region, first through the controller opens electric control valve, through shunt to introduce hot water to cavity sleeve, hot water fills up cavity sleeve after entering cavity sleeve, hot water preheats pipeline body, temperature detector detects the temperature of pipeline body in real time, when temperature detector detects that pipeline body reaches preset value, closes electric control valve, opens the discharge port at the bottom of cavity sleeve, and hot water is discharged, and the discharge port is closed, at this moment, can introduce liquor to the pipeline body that preheats to the inside, realizes the transportation of liquor, and guarantees the temperature of transportation liquor.

The utility model discloses a kind of water seal type diffusion partition systems, belong to coal gas valve technical field, including diffusion pipe cavity, sealing cavity and gas pipe cavity sequentially communicated from top to bottom, the sealing cavity outside sequentially communicated with inlet pipe, pressure balance pipe and overflow port pipe from top to bottom, the sealing cavity top end is sequentially provided with transmission wheel and auxiliary wheel from left to right, the gas pipe cavity outlet end is located in sealing cavity.This utility model is easy to operate, can be switched to close tightly at any time, when meeting production emergency accident needs diffusion, can carry out fast diffusion operation.

A peritoneal dialysis system for performing peritoneal dialysis using a pre-determined total volume of dialysate and arranged to employ a plurality of therapy cycles comprising a fill phase in which dialysate is delivered from the dialysis system via a patient line, a dwell phase, and a drain phase in which fluid is drained via the patient line, the system comprising: at least one pump chamber controllable to move fluid; a patient line in fluid communication with the at least one pump chamber to receive dialysate from the at least one pump chamber for delivery and to deliver fluid to the at least one pump chamber; a plurality of valves to selectively control flow in flow channels of the dialysis system; and a control system arranged to control the dialysis system to perform the following: control the at least one pump chamber and the plurality of valves to deliver a first infusion volume of dialysate to the patient line as part of a therapy cycle; measure the first infusion volume of dialysate delivered to the patient line during the therapy cycle; control the at least one pump chamber and the plurality of valves to receive fluid from the patient line as part of the therapy cycle; measure a volume of fluid received from the patient line during the therapy cycle; estimate a volume of ultrafiltration fluid produced during the therapy cycle; estimate a volume of residual fluid for the therapy cycle based on the measured volume of fluid received, the estimated ultrafiltration fluid produced and the measured first infusion volume of dialysate delivered; determine a value for a maximum volume of fluid at the end of a dwell phase; and initiate a next therapy cycle if the estimated volume of residual fluid for the therapy cycle plus a volume of dialysate to be delivered for the next therapy cycle plus an estimated volume of ultrafiltration fluid produced for the next therapy cycle does not exceed the maximum volume of fluid at the end of a dwell phase.

A hose assembly comprising: an inner hose core (12), an insulating layer (16) that is positioned radially externally relative to the inner hose core; an electrical resistance element (20) that is positioned radially externally relative to the insulating layer; and a cover layer (24) that is positioned radially externally relative to the insulating layer.

This utility model relates to the field of sealing joint technology, and in particular to a pipe packing sealing joint that is easy to disassemble. It includes a pipe joint, a seamless steel pipe, and braided packing. The lower end of the pipe joint is fixedly connected to a connecting and fixing mechanism via a flange. An oil injection mechanism is installed inside the pipe joint, and a clamping mechanism is installed inside the connecting and fixing mechanism. The connecting and fixing mechanism includes a flange joint, with a connecting fork fixedly connected to the outside of the flange joint. A rotating threaded rod is rotatably connected to the inside of the connecting fork, and a nut is helically connected to the outside of the rotating threaded rod. A magnetic cap is fixedly connected to one end of the rotating threaded rod. The oil injection mechanism includes an oil injection ring with an oil hole on its inner side. In this utility model, the device automatically releases the pure lubricating oil retained inside during disassembly. This lubricating oil provides better lubrication and cooling during the removal of the packing from the device, making the disassembly process smoother.

The utility model discloses a kind of self-limiting temperature electric heat tracing band structure, specifically related to electric heat tracing band field, including electric heat tracing band, electric heat tracing band inside includes two groups of busbar and the PTC conductive plastic pipe being arranged between them, the busbar both ends are provided with connecting end, and connecting end is electrically connected with wiring terminal, temperature monitor is arranged at the wiring terminal and busbar connecting end junction, the utility model is provided with the PTC conductive plastic pipe between two groups of busbar, when electric heat tracing band temperature is lower, PTC material shrinks, busbar particle is tightly connected, forms conducting path, heat is generated when current passes, when electric heat tracing band temperature is higher, PTC material expands, conductor particle spacing increases, conducting path reduces, resistance sharply rises, current reduces, heat output reduces, to guarantee the self-limiting temperature performance of electric heat tracing band.

The utility model provides a kind of electric heating pipeline heat preservation mechanism, it is related to pipeline heat preservation mechanism technical field, including pipeline, heating structure layer, heat preservation layer, outer sheath, heat preservation layer positioning structure layer;Heating structure layer is set in the outer wall of pipeline and is electrified to heat, and pipeline is electrically heated, and heat preservation layer positioning structure layer extrudes heat preservation layer and is tightly attached to the outer wall of heating structure layer, increase the degree of adhesion, reduce heat loss, guarantee the heat preservation performance of heat preservation layer, and improve device aesthetics by outer sheath shielding outside heat preservation layer positioning structure layer to protect it.

The invention relates to a device for manufacturing a fiber composite component from a fiber composite material comprising a fiber material and a matrix material embedding the fiber material, configured for carrying out an injection process in which the dry fiber material introduced into a mold is injected with the matrix material, comprising: - a matrix reservoir in which the matrix material to be injected is stored, and - a piping system having at least one supply line from the matrix reservoir to an inlet on the mold in order to inject the matrix material from the matrix reservoir into the fiber material introduced into the mold, characterized in that - the at least one supply line has at least a section of a continuous flexible hose, - wherein at least one peristaltic pump is provided between the matrix reservoir and the inlet in the flexible hose.- wherein at least one peristaltic pump is arranged to inject the matrix material from the matrix reservoir into the fiber material by means of an external mechanical-elastic deformation of the flexible tubing.

The utility model relates to a kind of heat tracing system using desulfurization system original flue gas waste heat, including flue, urea solution tank, power part, cold water pipe, heat exchange coil, hot water pipe and backwater main pipe, the outer wall of the flue and urea solution tank is wound with heat exchange coil respectively, one end of cold water pipe is connected with power part, the other end of cold water pipe is connected with the water inlet end of heat exchange coil of flue outer wall, one end of hot water pipe is connected with the water outlet end of heat exchange coil of flue outer wall, the other end of hot water pipe is connected with the water inlet end of heat exchange coil of urea solution tank outer wall, the water outlet end of heat exchange coil of urea solution tank outer wall is connected with the water inlet end of backwater main pipe, the water outlet end of backwater main pipe is connected with power part. This heat tracing system structure is reasonable, using flue gas waste heat not only can heat tracing to urea solution, can also be required for other heat tracing, make full use of flue gas waste heat, save cost, improve capacity.

The utility model relates to a kind of pressure regulating equipment with heating function, including pressure regulating box, water tank, air inlet pipeline, air outlet pipeline and pressure regulating component, pressure regulating component is used to communicate the air inlet pipeline with air outlet pipeline, the pressure regulating box cover is arranged in air inlet pipeline, air outlet pipeline and the outside of pressure regulating component, the water tank is installed in pressure regulating box below, electric heating wire is provided in the water tank, the outside of air inlet pipeline and air outlet pipeline is equipped with spiral heating pipe, the spiral heating pipe is communicated with water tank, pressure regulating box is also provided with heat radiation platform, the heat radiation platform is located just below pressure regulating component, the heat radiation platform is liftable. The design is heated to air inlet pipeline, air outlet pipeline and pressure regulating component by water tank cooperation spiral heating pipe and heat radiation platform, prevent its surface icing, avoid the valve in pressure regulating component inside frost icing, so that pressure regulating component can quickly regulate the natural gas passing through, ensure that pressure regulating precision is up to standard.

A flow conduit comprising: in a first configuration thereof, a straight length of tubing (10) having a first open end, a second open end, an inner wall surrounding an interior flow conduit and extending from the first open end to the second open end, and an outer circumferential surface (16) extending from the first open end to the second open end, and a temperature control element (22) wound over the outer circumferential surface (16) and adhered thereto with an initial adherence material over an adhered length of the temperature control element (22); and in a second configuration the length of tubing (10) includes at least one bend therein and at least one portion of the tubing (10) extending from the bend, and the temperature control element (22) wound over the outer circumferential surface (16) is adhered to the outer circumferential surface (16) of the tubing (10) by the initial adherence material over the span of the bend and on the at least one portion of the tubing (10) extending therefrom.

This utility model provides a pine resin heat-insulating and anti-clogging conveying pipeline, relating to the technical field of pine resin conveying devices. It includes a main pipe, which comprises a liquid inlet section, a narrowing section, a throat section, an expanding section, and a liquid outlet section, connected end-to-end and fixed to each other. The narrowing section has a truncated conical structure, with the inner diameter of its input end being the same as that of the liquid inlet section, and the inner diameter of its output end being the same as that of the throat section. A heating mechanism is fixedly installed on the outer wall of the throat section, and an insulation pipe is fixedly installed on the outer sleeve of the main pipe. Through the variable diameter structure of narrowing for acceleration and expanding for flow stabilization, the flow state of the resin is actively optimized. After entering the throat section, the kinetic energy of the resin is significantly increased, breaking the laminar flow state and eliminating the stagnant zone at the pipe wall boundary, preventing impurities from depositing. Combined with precise local heating in the throat section, replacing full-line heating, energy consumption is significantly reduced. The external insulation pipe further suppresses heat loss, effectively solving the pipeline blockage problem caused by temperature decreases during long-distance transport, significantly improving production continuity and reducing maintenance costs.

This utility model discloses a gas cooling device for a nitrogen production apparatus, comprising a flexible installation assembly. The flexible installation assembly includes a first arc-shaped groove heat-conducting copper block, a second arc-shaped groove heat-conducting copper block, a first rectangular block, a second rectangular block, a guide groove, and a guide rod. The first arc-shaped groove heat-conducting copper block and the second arc-shaped groove heat-conducting copper block are movably connected to the upper and lower ends of the transmission pipe, respectively. A guide groove is formed through the first rectangular block, and a guide rod is fixedly connected to the second rectangular block. The guide rod is movably connected within the guide groove. The first and second arc-shaped groove heat-conducting copper blocks of this utility model can be combined and fitted onto the outer wall of the nitrogen production transmission pipe. With the cooperation of a cooling fan and cooling fins, they can remove heat from the transmission pipe, thereby cooling the nitrogen. Furthermore, the above-mentioned components have a small structural volume, occupying less space compared to existing large cooling devices, making them convenient for flexible use in confined spaces.

The application provides a pipeline assembly, a battery and a vehicle, and can improve the waterproof performance of the pipeline assembly. The pipeline assembly of the application is used for the temperature adjusting pipeline of the battery, and comprises a pipeline body and a temperature sensor. The temperature sensor is arranged on the outer wall of the pipeline body, and the temperature sensor comprises a thermistor. The outer surface of the thermistor is provided with a waterproof layer, and the thermistor is configured to mutually transfer heat with the pipeline body. The pipeline assembly provided by the application can improve the measurement reliability of the temperature sensor.

The application relates to a flexible composite pipe leakage self-sensing self-adaptive repair system and method, and belongs to the technical field of pipeline leakage detection and repair, in particular to a flexible composite pipe leakage self-sensing self-adaptive repair system and method, which comprises the following modules: a self-sensing module, a data processing and decision module, a self-adaptive repair module for executing the hierarchical repair instruction; an energy function module; the self-sensing module, the data processing and decision module and the self-adaptive repair module are sequentially connected, and the energy function module is connected with the edge calculation nodes of the pipeline field in the self-sensing module, the data processing and decision module and the self-adaptive repair module. The application constructs a full-closed-loop autonomous system integrating real-time sensing, intelligent decision, active execution and effect evaluation, and changes the traditional passive emergency response mode into active preventive maintenance and autonomous emergency disposal.

The utility model discloses an ice blocking device for pipeline, including two clamps, any clamp includes the casing that is equipped with internal closed space, a plurality of first rib web and a plurality of second rib web, and first rib web is located internal closed space and is connected fixedly with the first inner wall of casing, and second rib web is located internal closed space and is connected fixedly with the second inner wall of casing, and first rib web and second inner wall have the gap, and second rib web and first inner wall have the gap, and first rib web and second rib web are inserted and set to form the flow channel, and the casing is provided with refrigerant inlet and refrigerant outlet, and the refrigerant inlet is communicated with the first end of flow channel, and the refrigerant outlet is communicated with the second end of flow channel, and the casing is concave, and the casing of at least two clamps is detachably connected through connecting piece to synthesize the hollow clamping channel of clamping the ice blocking pipeline, and the utility model discloses through first rib web and second rib web insert and set, form one -way flow channel, prolong heat exchange path simultaneously to improve heat exchange efficiency.

This invention provides for a component forming a part of a breathing tube, or forming the breathing tube, for example as a part of a breathing circuit for respiratory therapy. The component comprising a tubular body having a foamed wall. The foamed wall can be formed from extrusion of a single extrudate. The foamed wall is of a sufficient minimum optical transparency such that, in use, there is enabled the visual detection of a liquid (or condensate that may have formed) within the tubular body.

A heating apparatus includes a pair of electrically conductive tubes, a feed channel having a fluid entrance and a grounded connection, a product channel having a fluid exit and a grounded connection, and a DC current voltage source. The feed channel is fluidly connected to inlets of the pair of electrically conductive tubes and the product channel is fluidly connected to outlets of the pair of electrically conductive tubes. The pair of electrically conductive tubes include a first electrically conductive tube and a second electrically conductive tube connected in series and the DC current voltage source is electrically connected to the first electrically conductive tube and the second electrically conductive tube.

The application discloses an aero-engine ground cleaning device and method, and belongs to the technical field of aero-engine cleaning. The device comprises a solution storage system, a pipeline system and a control system arranged in the device body. The solution storage system comprises a cleaning liquid tank and a clean water tank. A temperature control assembly is arranged in the solution storage system, which controls the temperature in the cleaning liquid tank and the clean water tank. The clean water tank and the cleaning liquid tank are connected with the pipeline system, which controls the automatic switching and flow regulation of the clean water tank and the cleaning liquid tank. The control system is connected with the temperature control assembly and the pipeline system, and controls the cleaning temperature and the cleaning speed. The cleaning liquid tank and the clean water tank are switched to sequentially and finely clean the aero-engine with the cleaning liquid and the clean water, and the temperature of the cleaning liquid and the clean water is controlled. The cleaning parameters are set according to the type of the aero-engine.

This disclosure relates to the field of metallurgical equipment technology. One embodiment of this disclosure provides a detachable oil pipe cooling device, which includes an upper shell and a lower shell, and further includes fixed flanges, clamping bolts, clamping nuts, a first sealing gasket, a second sealing gasket, a third sealing gasket, a first guide fin, a second guide fin, and a secondary heat dissipation device. Two sets of fixed flanges are respectively installed on the outer surfaces of the upper shell and the lower shell. The outer surface of the clamping bolt penetrates through the interior of the fixed flange, and the bottom end of the clamping bolt is threaded with a clamping nut. Two sets of first sealing gaskets are disposed on the inner sides of the two sets of fixed flanges, with the outer surface of the clamping bolt penetrating through the interior of the first sealing gasket. This technical solution addresses the technical problem in the prior art where the device is difficult for operators to quickly disassemble, requiring machine shutdown for replacement of the cooling device.

This invention discloses a road surface grooving and cracking repair device and method, relating to the field of road construction. It includes a frame, heating components, and an asphalt cylinder. The heating components are all mounted on top of the support frame. The top of the asphalt cylinder has a cover plate, a pressure detector, and a warning light. The pressure detector monitors the pressure inside the asphalt cylinder in real time. During asphalt joint filling, molten asphalt is pumped into a composite pipe. Multiple heating pads are installed inside the composite pipe to heat the asphalt hose, ensuring the asphalt temperature and fluidity, and improving asphalt transportation efficiency. Simultaneously, airflow flows through an air pipe located outside the power supply conductor. During heating and insulation, the airflow passes through the outside of the power supply conductor, effectively cooling it and ensuring it operates at a suitable temperature.

This invention provides an intelligent gas pipeline antifreeze management IoT system, method, and medium, relating to the field of natural gas transmission technology. The method is executed by the intelligent gas company management platform of the intelligent pipeline antifreeze management IoT system. The method includes: determining historical deposition data for the pipeline area based on historical pipeline cleaning data; generating a first influence curve based on the historical deposition data and historical maintenance data; determining a deposition influence value every preset period based on the current deposition data and the first influence curve; when the value exceeds a first preset threshold, generating antifreeze injection parameters based on the current transmission data and planned transmission data for the pipeline area; and sending the antifreeze injection parameters to the intelligent gas equipment object platform to control the antifreeze injection equipment to inject antifreeze into the corresponding pipeline. This invention can effectively reduce the impact of hydrate freezing inside gas pipelines, improve gas transmission efficiency, and reduce energy consumption.

The application belongs to the technical field of pipeline anti-freezing, and particularly relates to a pipeline anti-freezing method, equipment, storage medium and program product. Whether a pipeline temperature sensor is connected and normally outputs a pipeline temperature is detected. In the case that the pipeline temperature sensor is connected and normally outputs the pipeline temperature, heating of a heat tracing band of the pipeline is controlled based on the detected pipeline temperature. In the case that the pipeline temperature sensor is not connected or the pipeline temperature sensor abnormally outputs the pipeline temperature, heating of the heat tracing band of the pipeline is controlled based on a weather temperature. The method controls the heating of the heat tracing band intelligently, improves the pipeline anti-freezing effect, and reduces energy consumption.

The drainpipe should be heated for only a period of time that allows for the proper removal or reduction of pathogens within it. [Solution] A control device 20 that controls a heater set having one or more heaters that heat a drain pipe 5 includes an acquisition unit 21 that acquires sensing results related to the drain pipe 5 multiple times when the drain pipe is being heated by the heater set, a determination unit 23 that uses the multiple sensing results acquired by the acquisition unit 21 to determine whether a stop condition for stopping heating by the heater set is met, and a control unit 24 that stops heating by the heater set 12 when the determination unit 23 determines that the stop condition is met.