211 results about "Heating oil" patented technology

The invention discloses a mold temperature control system and method for a large complex die-casting mold, and the system comprises a mold temperature controller, a mold temperature collection unit, an oil temperature machine, a heating oil pipeline, a cooling water pump, a cooling water tank, a cooling water pipeline, a fixed mold, a movable mold, a fixed mold plate, a movable mold plate, an injection charging barrel, an injection punch, a pipeline integrated board, and a cable. The mold temperature controller is responsible for managing mold temperature control equipment in a centralized mode, the mold temperature collecting unit is responsible for collecting the temperature of the fixed mold core, the movable mold core, the injection charging barrel and the injection punch, the oil temperature machine is responsible for conveying heating oil, and the cooling water pump is responsible for conveying high-pressure cooling water. Through software and hardware integrated control of the die temperature control equipment, the problems of dispersed layout, poor coordination, low working efficiency and the like of the die temperature control equipment are solved, the process management and control capability of die temperature control is improved, real-time and accurate control of the die temperature is realized, the defects of deformation, shrinkage cavities, looseness and the like of die castings are reduced, and the die casting quality is improved. And the size stability and the qualified rate of the large complex die casting are improved.

The invention discloses a detection device and a detection method for dissolved gas in insulating oil. The detection device comprises a rapid degassing module and an analysis module, the rapid degassing module comprises a sample bottle, a heating oil sample pool, a stirring structure, a high-purity gas storage tank and a cold trap; the sample bottle is used for injecting an insulating oil sample to be detected; the heating oil sample pool is used for heating the insulating oil sample in the sample bottle; the stirring structure is used for stirring the insulating oil sample in the sample bottle; the high-purity gas storage tank is used for introducing inert gas into the sample bottle and accelerating discharge of dissolved gas; the cold trap is used for enriching the mixed gas discharged from the sample bottle and selectively adsorbing and enriching the target gas to be detected; and the analysis module is used for detecting the gas analyzed from the cold trap. According to the detection device disclosed by the invention, the insulating oil sample to be detected is simultaneously subjected to heating stirring, gas purging replacement and cold trap enrichment, so that the dissolved gas in the insulating oil can be quickly removed, the degassing time is shortened to be within 5min, and the degassing treatment efficiency is greatly improved.

The invention relates to a method for treating shale oil crack wall surfaces by using carbon nanotubes to increase the heat transfer capacity of a reservoir, a plurality of horizontal wells are drilled from the ground, the horizontal sections of the horizontal wells form three parallel well rows, the uppermost well row and the lowermost well row are heating wells, and the middle well row is a production well. The fracturing fluid carrying the proppant is injected into the heating well and the production well with the displacement greatly exceeding the stratum absorption capacity, the bottom hole pressure is larger than the stratum fracture pressure, hydraulic fracturing is carried out, a tensional fracture area and a communication well group are generated, and meanwhile it is guaranteed that fractures are not closed after the proppant is filled. Under the condition that the pressure is lower than the formation fracture pressure, a weak acid solution is slowly squeezed into the heating well and the production well, the well wall and the crack wall face are treated, and a large number of corrosion micropores are formed. And under the condition that the pressure is lower than the stratum fracture pressure, a weak acid solution added with the carbon nano tubes is squeezed into the heating well and the production well, so that the carbon nano tubes are adsorbed or filled in the corrosion micropores, and the micropores where the carbon nano tubes are attached are formed. And high-temperature steam is circularly introduced into the heating well and the production well to heat the oil shale stratum. After heating for a certain time, stopping steam injection of the production well, and changing into production; and continuously injecting steam into the heating well. The method is suitable for an oil shale underground in-situ conversion exploitation technology, and is also suitable for geothermal exploitation and heavy oil thermal exploitation.

The invention relates to the technical field of plate surface heating, in particular to a heat exchange roller with high heat exchange efficiency, which comprises a contact cylinder, a sealing plate, an oil inlet and an oil outlet, and further comprises a buffer structure and an oil way dispersion structure, the oil way dispersing structure is arranged between the contact cylinder and the buffering structure and used for evenly distributing heating oil on the inner wall of the contact cylinder. The problems that when an existing oil heat exchange roller is used, the heating efficiency is low, and the temperature difference of the outer side wall of the heat exchange roller is large and unstable are effectively solved. The heat exchange roller adopts the dispersion flow channel composed of the inner cylinder, the boundary plate, the flow guide plate and the through holes, heating oil in the heat exchange roller can be dispersed, the dynamic balance error is smaller when the roller is started or stopped, through the design of the flow channel on the inner side of the contact cylinder, inlet oil and outlet oil are tightly attached to the inner wall of the contact cylinder to exchange heat in a countercurrent mode, and the heat exchange efficiency is improved. The heat transfer efficiency of oil and the contact cylinder is improved, and meanwhile the temperature of the roller wall is more uniform.

The invention discloses a self-powered temperature control and dynamic thermal compensation system, and belongs to the technical field of energy recovery and intelligent thermal management, the self-powered temperature control and dynamic thermal compensation system comprises a vibration energy capture and power generation subsystem and a bidirectional thermal compensation subsystem, the vibration energy capture and power generation subsystem comprises a piezoelectric array, a thermoelectric module and an energy storage device; the piezoelectric array is used for capturing vibration energy and converting the vibration energy into first electric energy, the thermoelectric module is used for conducting thermoelectric conversion through the temperature difference between the interior and the exterior of an oil tank to generate second electric energy, and the first electric energy and the second electric energy are stored in the energy storage device. The bidirectional thermal compensation subsystem comprises a thermoelectric refrigeration sheet, the thermoelectric refrigeration sheet is used for consuming electric energy in a low-temperature environment to heat the oil liquid, refrigerating the oil liquid in a high-temperature environment and converting waste heat into third electric energy, and the third electric energy is stored in the energy storage device. Self power supply is achieved through vibration energy and temperature difference generated in the vehicle running process, and stable temperature control over the oil tank can be achieved in the extreme environment.

To provide a cleaning machine monitoring system capable of smoothly detecting the clogging of a filter of a cleaning machine and the deterioration of an oil line (for temperature control).SOLUTION: A cleaning machine monitoring system according to the embodiment includes: a cleaning machine that comprises a cleaning and drying tank for accommodating objects to be treated, a solvent tank for storing a solvent to be supplied to the cleaning and drying tank, an oil temperature control tank for heating oil in the solvent tank, and flow meters for measuring flow rates in a solvent circulation path piping between the cleaning and drying tank and the solvent tank, and in an oil circulation path piping between the solvent tank and the oil temperature control tank, respectively; a control device that is connected to the cleaning machine and collects operation data of the cleaning machine including the flow meters; a server that stores the operation data from the control device via a network; and a monitoring machine that monitors a failure of the cleaning machine based on current and past operation data stored and accumulated in the server.SELECTED DRAWING: Figure 1

The invention discloses a reusable superconducting coil vacuum pressure impregnation tool and method, and relates to the technical field of superconducting coil preparation tools. Comprising a dipping tool cylinder, an upper cover plate, a lower cover plate, a coil outer support, a superconducting coil and a coil inner support, the two ends of the dipping tool barrel are detachably connected with the upper cover plate and the lower cover plate respectively; a vacuum joint is arranged on the upper cover plate; a glue injection opening is formed in the side wall of the dipping tool barrel; the coil outer support is arranged on the inner side of the superconducting coil, the coil inner support is arranged on the outer side of the superconducting coil, the coil outer support, the superconducting coil and the coil inner support are arranged on the lower cover plate, and the space between the coil outer support and the inner wall of the dipping tool barrel is filled with epoxy blocks. The device can adapt to superconducting coils of different sizes only by increasing or decreasing the volume of the filling epoxy block, the dipping tool does not need to be destructively disassembled when the coils are taken out, and it is ensured that the temperature is uniform when the whole tool is heated and cured through heating oil in an interlayer of the dipping tool.

A gas turbine engine fuel system includes a fuel delivery system, an oil cooling subsystem, a fuel delivery conditioning system, and one or more optical coking sensors. The fuel delivery subsystem delivers fuel to a gas turbine engine and the oil cooling subsystem receives heated oil from the gas turbine engine. The fuel delivery conditioning system includes a fuel / oil cooler that is in fluid communication with the fuel delivery subsystem to receive the fuel and is in fluid communication with the oil cooling subsystem to receive the heated oil. The fuel / oil cooler transfers heat from the oil to the fuel to increase a temperature of the fuel, and the optical coking sensors output a signal indicating a thermal stress of the fuel that occurs with a changing temperature of the fuel. A controller receives the voltage signal determines an onset of coking in the fuel based on the signal.

To provide a microwave cooker and a cooking method capable of shortening a cooking time with a simple structure.SOLUTION: The microwave cooking apparatus 1 heats and cooks an object to be cooked in liquid by irradiating the object with microwaves. The microwave cooking device 1 includes an oil tank 20 that stores oil, a heating member 40 that is provided in the oil tank 20 and heats the oil stored in the oil tank 20, and an irradiation member 50 that is disposed inside the oil tank 20 and heats food F in the oil by irradiating the food F with microwaves. The irradiation member 50 includes a microwave irradiation port 52 disposed inside the oil tank 20.SELECTED DRAWING: Figure 2

The oil filling equipment comprises an oil tank placing main body, an oil tank main body and a control center, an oil tank fixing mechanism is arranged at the top of the oil tank placing main body, and the oil tank main body is limited and fixed through the oil tank fixing mechanism and is slidably connected to the top of the oil tank placing main body; an oil pump for conveying oil to the transformer is mounted on the outer surface wall of the oil tank body; a limiting metal block and a fixing base are arranged at the top of the oil tank body, a control center connecting mechanism is arranged on the fixing base, the control center is detachably installed on the fixing base through the control center connecting mechanism, the control center is electrically connected with the oil pump so as to control the oil conveying flow and pressure of the oil pump, and a double-rotating-rod heating and stirring mechanism is arranged in the oil tank body. The driving assembly drives the outer rotating rod and the inner rotating rod to rotate reversely, and the heating assembly synchronously rotates along with the rotating rods and heats oil. Therefore, uniform heating and full stirring of the insulating oil liquid in a low-temperature environment can be realized, the viscosity of the oil liquid is effectively reduced, and the oil filling quality and efficiency are improved.

The application discloses a catalytic combustion heater principle prototype, which comprises an air tank, a methane tank, a mixed gas tank and a combustion chamber, the air tank is connected with the mixed gas tank through a connecting pipeline, the gas outlet of the mixed gas tank is connected with the methane tank and the combustion chamber through two connecting pipelines respectively, the top of the combustion chamber is provided with a mixed gas inlet, and a blower is arranged outside the combustion chamber, the application simulates the operation state of the underground catalytic combustion heater, high-temperature tail gas released by catalytic combustion mixed gas is used for heating oil shale layers, so that the oil shale is pyrolyzed to obtain the purpose of exploiting oil and gas, the simulation reference result of the experimental prototype can be understood as the actual operation result, the application not only reduces the exploitation cost of the oil shale in-situ conversion exploitation, but also improves the oil and gas exploitation efficiency, reduces the exploitation cost and reduces the harm of the toxic tail gas generated by incomplete combustion to animals, plants and the environment caused by direct release of the toxic tail gas into the atmosphere.

The invention discloses an oil shale in-situ conversion and carbon sequestration method by injecting high-temperature carbon dioxide and cooperating with sodium capsules, and belongs to the technical field of fossil energy in-situ exploitation and carbon sequestration. The method comprises the following steps: firstly, determining a target development area and formulating a corresponding development strategy; then, the oil shale reservoir is subjected to fracturing transformation; then, the oil shale reservoir is heated, supercritical carbon dioxide is injected, and displacement recovery is conducted; then, sodium capsule suspension fluid is injected into the oil shale reservoir, and solid-phase geological storage is achieved; and finally, after oil and gas exploitation reaches the economic limit, all the injection wells and the production wells are closed, and final geological storage is completed. According to the method, the carbon dioxide geological sequestration technology and the oil shale in-situ conversion process are deeply fused, the oil shale recovery efficiency is remarkably improved, the geological sequestration of the carbon dioxide is synchronously achieved, and the method has important significance in the fields of carbon emission reduction and fossil energy in-situ exploitation.

The invention discloses a sheet type graphene heating device for vehicle methanol fuel and a heating method of the sheet type graphene heating device, and belongs to the technical field of heating devices.The sheet type graphene heating device for the vehicle methanol fuel comprises an oil tank used for containing the methanol fuel, the oil tank is sleeved with a protection box, and a plurality of graphene heating sheets making contact with the bottom face of the oil tank are installed on the inner bottom face of the protection box; the device further comprises a moving mechanism, two stirring mechanisms and a driving mechanism. According to the plate type graphene heating device for the vehicle methanol fuel, the graphene heating plates, the protection box, the moving mechanism and the stirring mechanism are arranged, the multiple graphene heating plates are started to heat the oil tank, then the methanol fuel in the oil tank is heated, and meanwhile, multiple stirring rods in the stirring mechanism rotate and move up and down in the oil tank, so that the methanol fuel in the oil tank is heated; methanol at the middle upper part of the oil tank is mixed to avoid temperature stratification with cold upper part and hot lower part.

This utility model discloses a make-up air structure for a board material purification system, including an insulated box with an air inlet and an air outlet connected end-to-end. A heating oil pipe is located at the bottom of the insulated box, with the air outlet below the heating oil pipe and the air inlet at the top of the insulated box. The heating oil pipe is connected to a thermal oil heater. An exhaust system is connected to the insulated box, and the air inlet and outlet are connected via an air supply pipe. A circulating fan is installed on the air supply pipe, and a make-up air pipe is connected to the air supply pipe. This utility model can supplement fresh air into a board material purification system with a thermal circulation structure to maintain air quality and pressure balance within the insulated box.

The embodiment of the utility model provides a heating bowl which comprises a bowl body made of breathable materials, and at least three heating parts are arranged on the bowl body. According to the embodiment, the contact area between the heating part and the ointment is increased on the heating bowl, and the ointment is heated to heat, evaporate and atomize oil liquid of the ointment body. The utility model further provides atomization equipment which comprises a hopper body provided with an air suction channel and further comprises the heating bowl, an air collection cavity for installing the heating bowl is formed in the hopper body, and the air suction channel is communicated with the air collection cavity. According to the embodiment, the air suction channel is communicated with the air collection cavity, the ointment is not burnt in the heating process of the heating bowl, the ointment is heated, evaporated and atomized through heating, atomized smoke contains particles heavier than air, as long as external airflow interference is avoided, meanwhile, hot air which rises from the periphery and is burnt and heated is isolated, and the hot air does not carry the smoke to rise; smoke can sink into the gas collection cavity through the heating bowl and then is sucked out through the gas suction channel.

The invention provides a fuel filter and a vehicle, and the fuel filter comprises a central pipe which is provided with a water repelling section and a water collecting section; the filter element is arranged outside the central pipe in a sleeving manner, and the filter element is respectively communicated with the water repelling section and the water collecting section; the water collecting cup is connected to the bottom of the central pipe, and the water collecting cup communicates with the water collecting section; the heater is arranged in at least one of the water repelling section and the water collecting section, and the heater is used for heating oil bodies on the dirty oil side and the clean oil side of the filter element. According to the scheme, the heater is integrated in the center pipe, the internal space of an engine compartment does not need to be occupied, a power source of the fuel filter can be utilized, the circuit layout of the heater is simplified, and then the manufacturing cost is reduced.

The utility model relates to the technical field of dyeing equipment, and discloses an efficient temperature-controlled dyeing equipment, which includes a dyeing tank. An installation frame is slidably arranged on the top surface of the dyeing tank. The installation frame is U-shaped. A flow disturbance structure for making the temperature of the dyeing solution uniform is arranged on one side of the dyeing tank, and a temperature control structure for controlling the temperature of the dyeing solution is arranged on the outer wall surface of the dyeing tank. Through the arrangement of the flow disturbance structure and the temperature control structure, the staff injects heating oil into the jacket, and starts the heating coil through the PLC controller to heat the heating oil and the dyeing tank. The temperature sensor monitors the temperature in real time and feeds it back to the PLC controller after reaching the set range to control the heating coil to stop heating. The motor drives the connecting shaft to rotate, and the fixed shaft slides and reciprocates in the annular groove, thereby pushing the flow disturbance plate to stir the dyeing solution, promoting the mixing of the bottom layer and the upper layer, preventing precipitation, the circulation pump continuously extracts the bottom layer dyeing solution and transports it to the upper layer, enhancing the flow, heating evenly, avoiding temperature difference, and improving the dyeing effect.

The present invention discloses a multi-split system oil return control method, device, and multi-split system. The method comprises: when the multi-split system is operating in heating mode and oil return is required, detecting the outdoor ambient temperature and / or the indoor unit startup load rate; and determining whether to execute the heating oil return mode or the cooling oil return mode based on the outdoor ambient temperature and / or the indoor unit startup load rate. The present invention selects different oil return control modes based on the outdoor ambient temperature and / or the indoor unit startup load rate. When the outdoor ambient temperature is low and the indoor unit startup load rate is high, oil return is selected in the heating mode without switching to the cooling mode, thereby avoiding affecting the indoor heating effect and ensuring the user experience of the multi-split system during oil return.

The present invention relates to the field of electric power, and specifically to a thermal peak-shaving system for a new type of thermal power plant complementary to light and coal. The oil pipeline between the oil outlet and the oil inlet of the trough-type heat collecting device is sequentially provided with a hot oil heat storage tank, a high-temperature oil-water heat exchanger, a low-temperature oil-water heat exchanger, a cold oil heat storage tank and an oil transfer pump along the flow direction of the internal heating oil. The condensate main pipe at the bottom of the condenser is provided with a condensate pump. The condensate main pipe at the outlet of the condensate pump is connected to the water side inlet of the high-temperature oil-water heat exchanger through the water inlet pipe of the high-temperature oil-water heat exchanger. The heat is supplemented for the heating extraction steam through an external heat source, breaking the heat user's demand for the heating extraction steam parameters, limiting the problem of variable load operation of the cogeneration unit, thereby enhancing the peak-shaving flexibility of the unit. This system can also adopt different operation modes one and two according to the actual peak-shaving demand of the power grid, thereby realizing a flexible operation mode integrating heating, power generation and peak-shaving.

The invention belongs to the technical field of metal hot rolling equipment, and particularly relates to a waste oil pipe hot rolling device and a using method thereof. The pipe bundling machine further comprises a straightening and feeding assembly, and the straightening and feeding assembly is installed on the pipe bundling machine body and used for heating oil pipes in the feeding process. According to the waste oil pipe bundling machine, the elastic core rod is adopted to be matched with the feeding push rod, after the waste oil pipe and the elastic core rod are combined, the waste oil pipe is pushed to move in the direction of the pipe bundling machine body, and in the movement path of the waste oil pipe, the waste oil pipe can be conveniently and rapidly bundled. The waste oil pipe is straightened by changing the size of the straightening channel, so that the bending degree of the waste oil pipe is low, and the convenience of combination of the waste oil pipe and the pipe binding machine body is enhanced.

Various disclosed embodiments include oil warming systems, electric motors, and vehicles. In an illustrative embodiment a system includes an oil reservoir, a motor stator, and an oil pump. The oil reservoir is configured to hold oil therein. The motor stator is positioned such that at least a portion thereof is positioned within the oil reservoir where the at least the portion of the motor stator is in thermal communication with the oil while the oil reservoir includes the oil therein. The motor stator is configured to warm the oil while in an oil warming mode. The oil pump is fluidly coupled to the oil reservoir and is configured to draw oil out of the oil reservoir.

An oil diffuser device that is a plug-in heat and fan device for diffusing CBD oil into the air. The oil diffuser device comprises a body component with a plurality of ventilation holes for retaining an amount of CBD oil or other suitable oil. A plug-in component comprises a heat source that draws power from an electrical outlet. The plug-in component also comprises a fan for dispersing the heated oil vapors through the plurality of ventilation holes. Users simply attach the body component with CBD oil to the plug-in component and then insert it into an electrical outlet to heat the CBD oil and release the heated oil vapors into the air. Overall, the device can be used to relax people who suffer from anxiety, depression, or stress.

The utility model provides a steel base alloy powder waste residue solid-liquid separation device which comprises a horizontal stirring tank, a sealing outer cover and a water storage tank, a variable frequency motor is installed at the right end of the horizontal stirring tank, a rotating shaft is installed in the horizontal stirring tank through a sealing bearing, and a rotating impeller set is installed on the annular side face of the rotating shaft. The horizontal stirring tank is sleeved with the sealing outer cover in a sealed mode, the sealing outer cover is filled with heating oil, and the problems that according to existing steel-based alloy powder waste residue treatment equipment, heating is not uniform enough, the separation efficiency of steel-based alloy powder waste residue grease, inorganic salt and metal powder is affected, and waste heat is inconvenient to recycle are solved; the device is reasonable in structural design, the separation rate of grease, inorganic salt and metal powder in steel-based alloy powder waste residues can be increased, the separation efficiency is good through a uniform heating mode, after the device is used, waste heat of heating oil can be recycled, energy waste is reduced, and the device is convenient to popularize and apply.

The utility model discloses a lubricating oil mixing device, which comprises a tank body, a lubricating oil mixing device and a lubricating oil mixing device, the stirring mechanism comprises a stirring paddle and a motor for driving the stirring paddle to rotate, the stirring paddle is vertically arranged in the tank body, and the stirring paddle is used for stirring an oil agent; the lifting mechanism comprises a connecting ring, a plurality of lifting plates arranged on the inner side of the connecting ring and a first power part for driving the connecting ring to ascend and descend, the radial outer surface of the connecting ring is matched with the inner side of the tank body, the stirring paddle is contained in the connecting ring, and the lifting plates are arranged in the circumferential direction of the connecting ring; and the heating mechanism comprises a heating pipe, the heating pipe is located between the connecting ring and the stirring paddle, and the heating pipe is used for heating an oil agent. According to the utility model, the mixing period can be greatly shortened, and sufficient and uniform mixing is ensured.

The hot melting equipment for plastic processing comprises a bottom column, a heat preservation tank mechanism is fixedly installed at the upper end of the bottom column, a mixing heating cavity is formed in the inner side of the heat preservation tank mechanism, a mixing tank is fixedly installed in the heat preservation tank mechanism, and a discharging port is formed in the lower end of the mixing tank. And a discharge valve is fixedly mounted at the lower end of the discharge port. According to the hot melting equipment for plastic processing, heating oil can be injected into the mixed heating cavity through an oil injection opening, the mixed heating cavity can be heated through cooperation with a heating rod, heat preservation and heat insulation can be conducted on the interior through a first heat preservation layer and a heat insulation layer of the heat preservation tank mechanism, heat dissipation to the surrounding environment is reduced, energy saving and cost reduction are facilitated, and the practicability is high. And through cooperative use of the spiral conveyor, the second heat preservation layer and the ceramic heating ring, heat preservation and heating can be conducted on the melt during discharging, the situation that the fluidity of the melt becomes poor due to the temperature difference in the discharging process is prevented, and the quality and consistency of subsequent products are improved advantageously.

The invention belongs to the technical field of foamed plastic material processing, and particularly relates to foamed plastic material processing equipment which comprises conveying equipment and downward pressing equipment, a downward pressing shaping block is movably mounted in the downward pressing equipment, and the downward pressing shaping block descends to press foamed plastic material strips in the downward pressing equipment, so that the density of the foamed plastic material strips is increased; a winding and rewinding roller is movably installed on the side, away from the interior of the downward pressing equipment, of the conveying equipment, a shaping panel is fixedly installed at the inner bottom of the downward pressing equipment, and heat conduction oil in a heating oil storage tank can flow into the downward pressing face of a downward pressing shaping block and the bearing face of the shaping panel after being heated; the temperature of the pressing surface of the pressing shaping block and the temperature of the bearing surface of the shaping panel are increased, at the moment, the pressing shaping block descends in the pressing equipment through electric driving, and a foamed plastic material strip is pressed downwards under the cooperation of high temperature, so that the foamed plastic material is thinner, the density of the foamed plastic material is increased, and the foamed plastic material is more compact.

The invention discloses a high-frequency explosion-proof petroleum electromagnetic heater capable of recycling waste heat, belongs to the technical field of petroleum and natural gas extraction equipment, and aims to solve the technical defects of insufficient waste heat recovery rate and low comprehensive utilization rate of heat energy of the conventional petroleum and natural gas high-frequency electromagnetic heater and solve the problem that the structural design of the conventional petroleum and natural gas high-frequency electromagnetic heater needs to be improved. A reciprocating U-shaped oil conveying pipeline high-frequency electromagnetic induction heat carrier and a ferromagnetic U-shaped waste heat recovery oil conveying pipeline are arranged in an inner cavity of a cylindrical high-frequency explosion-proof petroleum electromagnetic heater main body; two straight pipe sections of the reciprocating U-shaped oil conveying pipeline high-frequency electromagnetic induction heat carrier are provided with heat insulation supporting bodies and wound with high-temperature-resistant insulation cable winding coils, one end of the ferromagnetic U-shaped waste heat recovery oil conveying pipeline is connected to the reciprocating U-shaped oil conveying pipeline high-frequency electromagnetic induction heat carrier in series, and the other end of the ferromagnetic U-shaped waste heat recovery oil conveying pipeline is connected with an oil inlet pipeline connector. The explosion-proof heater is of a closed explosion-proof structure, is practical, and is suitable for heating petroleum and oil-gas mixture fluid in oil extraction in oil fields and oil pipelines.

The utility model provides a flow channel structure of vacuum pump exhaust filter, including shell and a plurality of filter core in the shell, the bottom of shell is provided with shell recess, the top surface of shell recess is inclined, the bottom of shell is fixed with base, the shell bottom and base are sealed through seal ring, the shell recess is equipped with the shell recess, the top surface of shell recess is equipped with the seal ring, and the seal ring is equipped with the seal ring. The shell is provided with a groove, so that the groove of the shell forms an interlayer in a sealed state, the shell is provided with a water inlet and a water outlet which are communicated with the interlayer, and a bent flow channel is arranged in the interlayer. Compared with the prior art, the runner structure of the vacuum pump exhaust filter has the advantages that the water inlet interlayer is arranged at the bottom of the shell, and the runner is arranged in the interlayer, so that the cooling of the whole shell, the filter element in the shell and exhaust airflow is realized, the filtering effect of the filter element is ensured, and the service life of the filter element is ensured; the flow channel can be used for cooling and heating oil, and when condensable gas is extracted, in order to prevent gas condensation from polluting working oil, the oil generally needs to be heated.

This utility model discloses a rotary RTO device for treating chemical waste gas, relating to the field of RTO equipment. It includes a device body, a top seat mounted on the top of the device body, a detection component installed in the inner cavity of the top seat, a ceramic packing bed installed at the bottom of the inner cavity of the device body, a rotary valve installed at the bottom of the device body, an exhaust pipe mounted on the top side of the top seat, a chimney mounted on the side of the exhaust pipe, a gas delivery component mounted on the outer wall of the device body, a filter screen installed in the inner cavity of the gas delivery component, and a heating oil pipe installed in the inner cavity of the device body. This rotary RTO device for treating chemical waste gas, through the heating oil pipe, can heat the device body during operation. The two oil pipes also allow for the circulation of the heating oil, preheating the chemical waste gas before it enters the gas delivery component, thereby improving the energy utilization rate of the device body during operation.

The utility model relates to the technical field of hot melt adhesive recycling equipment, and discloses a hot melt adhesive waste recycling device which comprises a heating box, a box cover is arranged above the heating box, the heating box is composed of an inner shell and an outer shell, the inner shell is arranged on the inner side of the outer shell, a metal hose is arranged between the heating box and the box cover, and the metal hose is connected with the heating box. A valve is arranged on the surface of the metal hose, and a resistance wire heater is arranged on the outer side face of the heating box. According to the waste material recycling device, waste materials are added into the heating box through the feeding pipe, then the resistance wire heater is started, heating oil between the inner shell and the outer shell is heated, then the heating oil is pumped to the box cover and the main mandrel under the action of the centrifugal pump and finally flows back to the position between the inner shell and the outer shell, and in the flowing process, the waste materials are recycled. The hot melt adhesive is heated in the inner direction and the outer direction, the heat transfer time is shortened, the temperature rising speed of the hot melt adhesive waste is increased, the heating period is effectively shortened, and therefore the production efficiency is improved.