142 results about "Cycle oil" patented technology

The utility model relates to an oil way system, a cascade unit, energy-saving equipment and refrigeration equipment, the oil way system comprises a first heat exchanger, a first oil tank and a second oil tank, a first channel and a second channel are arranged in the first heat exchanger, and heat exchange can be conducted between the first channel and the second channel; two ends of the first oil tank are respectively communicated with the first channel to form a first circulating oil path; the two ends of the second oil tank communicate with the second channel to form a second circulating oil way. According to the oil way system, when the oil temperature in the first oil tank and the oil temperature in the second oil tank have a large temperature difference, the oil temperature of one oil tank is too low, and the oil temperature of the other oil tank is too high or too high, heat exchange between the two circulating oil ways can be achieved through the first heat exchanger; and therefore, the conditions of too low oil temperature and too high oil temperature are relieved synchronously, and normal operation of an oil way can be guaranteed. No extra heating assembly or oil cooling assembly is needed, and the power consumption and the manufacturing cost of the oil way system can be obviously reduced.

The invention provides a water-oil combined heat dissipation power module. On the basis of an existing water-cooling power module, a circulating oil way defined by a second cavity, a flow guide cover, a heat dissipation device, a circulating oil pump and related necessary connecting pipelines is additionally arranged. When the power module works, cooling water flows in from the near end of the power module and flows out from the far end of the power module below the radiator, in the process, the water temperature rises while the cooling water dissipates heat of the bridge arm chips, and the heat dissipation effect of the cooling water on the bridge arm chips is sequentially decreased from the near end to the far end. Meanwhile, the cooling oil circularly flows, flows through a cavity formed by the flow guide cover and the radiator after flowing out of the circulating oil pump and is directly cooled on the surface of the power chip, the oil temperature is increased while the cooling oil dissipates heat of the bridge arm chips, the heat dissipation effect of the cooling oil on the bridge arm chips is sequentially decreased from the far end to the near end, and the heat dissipation efficiency of the cooling oil on the bridge arm chips is greatly improved. And the heat dissipation effect is just opposite to that of the cooling water path. According to the technical scheme, the problem that an existing power module is not uniform in heat dissipation can be solved.

The utility model belongs to the technical field of hydraulic pipe cleaning, and particularly discloses a hydraulic pipeline oil string washing device which comprises an oil tank, an oil supply pipeline, an oil inlet pipeline, an oil return pipeline and a cooling loop. The oil supply pipeline comprises a lightering oil pump, an oil supply valve and an oil supply main pipe; the oil inlet pipeline comprises a circulating oil pump, a first oil inlet header pipe and a first oil inlet control valve are arranged between the oil tank and the circulating oil pump, and a second oil inlet header pipe, a one-way valve and a second oil inlet control valve are arranged between the circulating oil pump and the cleaned pipeline system; the oil return pipeline comprises a fine filter, a first oil return header pipe is arranged between the cleaned pipeline system and the fine filter, a second oil return header pipe is communicated between the fine filter and the oil tank, first oil outlet control valves are arranged on the first oil return header pipe and the second oil return header pipe, the fine filter is further communicated with an impurity removal control valve, and the impurity removal control valve is communicated with an impurity removal header pipe. According to the device, safe and reliable cleaning can be provided for pipeline systems with different pressure bearing and precision requirements, and the oil temperature can be controlled to achieve the optimal cleaning effect.

The invention discloses an axial magnetic flux motor based on half-cycle oil injection cooling and an oil injection cooling method thereof.The axial magnetic flux motor comprises motor shells, the two motor shells are symmetrically installed, the two stator assemblies are arranged in the two motor shells respectively, the rotor assembly is arranged between the two stator assemblies through an output shaft, and the rotor assembly is arranged between the two stator assemblies through an output shaft. The two stator assemblies are arranged on the two motor shells, the half-cycle oil injection cooling assemblies are arranged on the two motor shells and correspond to the upper half parts of the two stator assemblies, and the confluence oil outlet assemblies are arranged on the two motor shells and correspond to the bottoms of the two stator assemblies. The heat exchange efficiency is far higher than that of indirect cooling, and meanwhile, the two rows of half-cycle arc-shaped oil nozzles ensure that the cooling oil covers all winding coils, shunt cooling and auxiliary casing flow channel structures, the heat dissipation uniformity is improved, and the problem that the heat dissipation effect of the motor is poor is solved.

This invention discloses an oil-immersed transformer with an oil passage cleaning function, comprising a housing for mounting the core and windings, an oil conservator at the upper end of the housing, an oil pump on the side wall of the housing, a blockage-clearing filter assembly for unblocking and cleaning the oil passages on one side of the housing and the oil conservator, a conduit and a trigger assembly for circulating oil connecting the housing and the oil conservator, and a controller at the upper end of the housing. This invention has a simple structure and reasonable design. Firstly, by controlling the pipe diameter, larger winding insulation impurities cannot leave the oil conservator and housing during normal circulation. Then, by adjusting the transformer oil circulation path, the blocking winding insulation impurities are guided into the oil filter for filtration and removal. This avoids prolonged overload and damage to the oil pump or other circulation equipment, effectively extending the service life of the oil pump and circulation equipment and reducing maintenance costs.

The invention discloses a sealed type safe anti-explosion mining transformer, and belongs to the technical field of transformers. Comprising a machine shell, fins are distributed on the outer wall of the machine shell, a collecting box is fixed to the machine shell, a circulating oil pump is fixedly installed in the collecting box, an oil storage tank is arranged in the collecting box, an oil outlet tank is fixed in the collecting box and connected with the oil outlet end of the circulating oil pump, a filter cartridge is fixedly installed in the oil outlet tank, and the oil storage tank is connected with an oil outlet pipe. The oil outlet pipe is connected with a backflow pipe extending into the oil outlet tank, the backflow pipe is rotationally connected with a back-flushing block located on the inner side of the filter cartridge, the back-flushing block is provided with a back-flushing groove facing the inner wall of the filter cartridge, and one-way valves are arranged in the oil outlet pipe and the backflow pipe. The sealed type safe anti-explosion mining transformer has the beneficial effects that through the arrangement of the oil storage tank, when oil in the machine shell expands at high temperature, and the pressure in the machine shell is increased, the oil is pumped out of the machine shell and then enters the oil storage tank, and the pressure in the machine shell is reduced.

The invention relates to a method for controlling an integrated auxiliary fuel tank for a vehicle. During low-temperature wax precipitation, before engine ignition, fuel oil in an oil supply pipeline is pumped through by oil supply pressure of an oil pump, and multiple times of circulating impact oil supply is adopted in the oil supply initial stage of the oil pump. And after the fuel oil pipeline is opened, the ignition waiting time of the engine is determined according to the environment temperature and the fuel oil temperature. The ignition waiting time is judged according to multiple temperature intervals, and the heaters start heating in advance according to time set values. And after successful starting, the oil pump continuously supplies oil according to the set oil supply time. And when the starting operation time of the engine reaches a set value, the oil pump controls oil suction according to the multiple circulating oil suction processes until the multiple circulating oil suction processes are executed or the liquid level reaches the set value. And when the fuel temperature in the auxiliary fuel tank is higher than the set value, the fuel pump actively sucks fuel from the main fuel tank to the auxiliary fuel tank to reduce the fuel temperature in the auxiliary fuel tank. After the whole vehicle is powered off, when the liquid level of the auxiliary oil tank is lower than a set value, the oil pump actively sucks oil to the set value or the oil pump actively sucks oil for set time.

The invention discloses an automobile active suspension high-pressure oil pump testing device and a using method thereof. The device comprises a pre-pressing tank, a testing unit and a circulating oil way. The pre-pressing tank is used for storing oil and providing stable pre-pressure; the testing unit is used for mounting and driving a high-pressure oil pump with first and second pump ports; the circulating oil path is connected between the pre-pressing tank and two pump ports of the high-pressure oil pump to form a closed circulating loop, and comprises a loading module and a one-way valve assembly; the one-way valve assembly can automatically guide the flowing direction of oil according to the rotating direction of the high-pressure oil pump, so that any pump opening serves as an oil inlet when rotating forwards and serves as an oil outlet when rotating backwards. According to the design, self-adaptive switching of an oil way is achieved in a pure hydraulic mode, forward and reverse rotation performance testing of the oil pump can be completed without disassembling a pipeline, the problems of pre-pressure fluctuation, oil pollution and low efficiency caused by system opening in a traditional method are effectively solved, and the testing reliability and efficiency are remarkably improved.

The application relates to the technical field of oil liquid filtration, and particularly relates to an oil filtering device and a circulating oil washing system for surface lubrication of a rotor of a cooling fan of an automobile, an oil storage device, an oil washing tank connected with the oil storage device, a switching assembly connected with a circulating pump arranged on the oil washing tank, two groups of liquid outlets formed on the switching assembly, two groups of filtering pipes arranged on the oil washing tank and communicated with the two groups of liquid outlets, the switching assembly capable of circulating and pumping waste oil into the two groups of filtering pipes, an oil washing waste discharge pipeline connected with the filtering pipes, cleaning oil capable of entering the filtering pipes through the oil washing waste discharge pipeline, a screen pipe coaxially and rotatably connected with the filtering pipe, and a top of the screen pipe being provided with a follow-up disc, the follow-up disc capable of driving the filtering pipe to rotate when the oil washing waste discharge pipeline in the filtering pipe is conducted, so that non-stop cleaning is realized, and the cleaning speed is improved.

The invention provides an excavator potential energy recovery hydraulic warm-up filtering system, which belongs to the technical field of excavators, and comprises a selector valve, an oil inlet of the selector valve is respectively connected with a small cavity of a bucket rod oil cylinder and a large cavity of a movable arm oil cylinder through oil pipes, and two oil outlets of the selector valve are respectively connected with an energy accumulator and a recovery oil way through oil pipes; the recycling oil way comprises an oil return motor, the oil return motor is a double-shaft hydraulic motor, an output shaft at one end of the double-shaft hydraulic motor is connected with a circulating pump, an output shaft at the other end of the double-shaft hydraulic motor is connected with a generator, an oil inlet and an oil outlet of the circulating pump are connected with a hydraulic oil tank through circulating oil pipes, and a temperature sensor is arranged on the hydraulic oil tank. And a heater is arranged in the hydraulic oil tank. Potential energy generated when the working device descends can be recycled and converted into electric energy or used for heating and filtering hydraulic oil, and effective utilization of consumed energy is achieved.

Fuel oil compositions, and methods for blending such fuel oil compositions, to enhance initial compatibility and longer term stability when such fuel oil compositions are blended to meet IMO 2020 low sulfur fuel oil requirements (ISO 8217). In one or more embodiments, asphaltenic resid base stocks are blended with high aromatic slurry oil to facilitate initial compatibility such that low sulfur cutter stocks, e.g., vacuum gas oil and / or cycle oil, may be further blended therein to cut sulfur content while maintaining longer term stability. These fuel oil compositions are economically advantageous when used as marine low sulfur fuel oils because greater concentrations of high viscosity resids are present in the final blend.

According to the integral blade type oil-immersed transformer and the temperature control method, a plurality of propeller type rotating blades with the outer diameter not smaller than 1 / 2 of the minimum size of the cross section of the box body in the vertical direction are arranged in the transformer box body, and transformer oil is driven to form circulating oil flow during rotation; the turbulence effect in an oil cavity is enhanced through axial eddy generated by the large-size blades, oil products in different areas in the box body are promoted to integrally flow in a turbulent mode, the heat exchange and soaking process of upper and lower layers and high and low temperature areas is accelerated, and the heat dissipation efficiency is improved; and the defoaming rods are arranged between the adjacent propeller type rotating blades, and the defoaming vertical rods are densely and vertically arranged on the surfaces of the defoaming rods, so that bubbles generated at the rotating tails or edges of the blades can be broken, the bridging discharge risk caused by bubble aggregation in a high-voltage and high-magnetic-field environment is effectively eliminated, the burning accident of the transformer is avoided, and the operation safety is guaranteed.

According to the multi-medium circulating system based on the hydraulic retarder, a large circulating oil way, a small circulating oil way and an exhaust passage are highly integrated on a retarder shell and a heat exchanger bottom plate, and the large circulating oil way and the small circulating oil way share a large circulating oil outlet channel, a small circulating oil outlet channel and a heat exchanger; an oil outlet exhaust passage, a large-small circulation oil outlet passage and a heat exchanger bottom plate covered channel form an independent exhaust passage, so that gas and oil media achieve efficient cooperation in large-small circulation and exhaust circulation, and meanwhile all-working-condition performance optimization of high torque precision and high continuous braking capacity under the braking working condition and low air loss and low temperature under the idling working condition is achieved. Meanwhile, the oil way is integrally formed on the inner side of the retarder shell, so that the sealing reliability and the structural strength of the system are remarkably improved; the oil leakage and oil pumping faults of the oil duct are completely eradicated from the source, the idling loss and the working temperature are remarkably reduced, the torque control precision is improved, the system integration degree and the operation reliability are improved, and cost reduction and efficiency improvement are achieved.

The utility model discloses a high-speed oil-cooled motor capable of cooling a bearing. The high-speed oil-cooled motor comprises a cylindrical shell, a front end cover and a rear end cover. And a barrel shell channel is arranged on the barrel shell. The front end cover is provided with a front bearing cooling channel which is communicated with the cylindrical shell channel. The rear end cover is provided with a rear bearing cooling channel which is communicated with the cylindrical shell channel. According to the high-speed oil cooling motor capable of cooling the bearing, after the cooling liquid enters the motor, the cooling liquid sequentially flows through the front bearing cooling channel, the barrel shell channel and the rear bearing cooling channel to cool the bearing, the bearing does not need to be provided with an additional cooling device and does not make direct contact with the cooling liquid, the risk that the cooling liquid leaks from the bearing cavity is completely eradicated, and the service life of the bearing is prolonged. The bearing can be lubricated through grease lubrication or lifelong lubrication, a circulating oil lubrication or oil-gas lubrication system does not need to be arranged, the sealing requirement of a bearing cavity is lowered, the system structure is simplified, the reliability of the system is improved, and the complexity and cost of the system are lowered.

The application provides a motor assembly of a compressor and a scroll compressor. The motor assembly of the compressor comprises a crankshaft, a first balance block, a rotor and an oil separation assembly. The crankshaft penetrates the rotor, and the crankshaft is provided with the first balance block. The oil separation assembly comprises a first oil baffle and a second oil baffle. The second oil baffle is arranged on the first balance block, and the second oil baffle is arranged opposite to the first oil baffle. Air flow in the compressor comprises first air flow and second air flow. The second oil baffle is used for oil-gas separation of the first air flow flowing through the second oil baffle, and the first oil baffle is used for first oil-gas separation of the second air flow flowing through the first oil baffle. Part of the air flow after the first oil-gas separation flows through the second oil baffle after being combined with the first air flow. The application fully realizes multiple cycle oil separation, reduces the oil content when the refrigerant is discharged, and solves the problem of oil deficiency of the compressor caused by high oil content and slow oil return during high-frequency operation of the compressor.

The application relates to the technical field of bearing lubrication, in particular to a device with high-efficiency lubricated bearings, which comprises a machine base, a sliding bearing oil outlet, a sliding bearing oil inlet, an inner bearing oil inlet, an oil return cavity, an inner bearing oil outlet, a sliding bearing, an inner bearing, an outer rotor, an inner rotor, an oil inlet oil circuit and an oil outlet oil circuit. The inner and outer bearings of the device share an oil circuit, the inner bearing lubricating oil is supplied through the pressure oil of the outer bearing, when the outer rotor rotates, the oil is returned to the oil return cavity through the pressure during oil inlet and the centrifugal force of the lubricating oil in the oil outlet circuit, the reciprocating oil makes the bearings well lubricated, prolongs the service life of the bearings, the circulating oil lubricated bearings do not need to be stopped for oiling, the circulating oil lubricated bearings make the working temperature of the bearings relatively stable during operation, and the circulating oil lubricated bearings reduce the maintenance of the equipment.

The application provides an integrated blade type oil-immersed transformer and a temperature control method, a plurality of propeller type rotating blades with an outer diameter not less than 1 / 2 of the minimum size of a vertical cross section of a transformer tank are arranged in the transformer tank, circulating oil flow is formed by driving transformer oil when the rotating blades rotate, axial vortex generated by the large size blades enhances the turbulent effect in the oil cavity, the overall turbulent flow of oil in different areas in the tank is promoted, the heat exchange and heat equalization process between upper and lower layers and high and low temperature areas are accelerated, and the heat dissipation efficiency is improved; and a defoaming rod is arranged between adjacent propeller type rotating blades, a plurality of vertical defoaming rods are densely arranged on the surface of the defoaming rod, the bubbles generated at the tail or edge of the rotating blades can be broken, the risk of bridge discharge caused by bubble aggregation in a high-voltage and high-magnetic-field environment is effectively eliminated, transformer burning accidents are avoided, and operation safety is ensured.

The utility model discloses a kind of double-cycle oil pot systems, it is related to food processing technical field, including kettle body, first oil circulating assembly and second oil circulating assembly, the internal space of kettle body includes first frying cavity and second frying cavity, wherein: first frying cavity and second frying cavity are respectively corresponding front and rear of double-cycle oil pot system;First frying cavity and second frying cavity are set in production direction front and back link;First oil circulating assembly is cyclically communicated in first frying cavity;First oil circulating assembly is used to provide hot oil to first frying cavity circulation;Second oil circulating assembly is cyclically communicated in second frying cavity;Second oil circulating assembly is used to provide hot oil to second frying cavity circulation.The utility model provides a kind of double-cycle oil pot system, by setting first oil circulating assembly and second oil circulating assembly respectively in front and back in oil pot, can better control the oil temperature of different regions;In addition, double-cycle structure can increase oil circulating speed, reduce oil residue deposition carbonization.

The utility model relates to the technical field of industrial furnaces, and discloses a self-circulation oil groove type industrial furnace which comprises a support, an outer shell is fixedly connected to the upper surface of the support, a connecting flange is fixedly connected to one side of the outer wall of the outer shell, an inner shell is fixedly connected to one side of the outer wall of the connecting flange, and an inner oil groove is fixedly connected to the inner wall of the inner shell. A circulation assembly is installed on one side of the inner oil groove, a feeding pipe is installed on the upper surface of the inner shell, and a sealing door is arranged on one side of the inner shell. The circulating assembly comprises a first transmission pump, and one side of the outer wall of the first transmission pump is arranged on one side of the inner oil groove. According to the self-circulation cooling device for the industrial furnace, oil liquid is efficiently collected by arranging the first wavy coil pipe and the conical hopper, the oil liquid is driven by the first transmission pump to circulate to the second coil pipe and is evenly sprayed through the nozzles, efficient self-circulation of the cooling oil liquid is achieved, the heat exchange efficiency is improved, the problems that a traditional paddle is poor in stirring circulation and low in cooling performance are effectively solved, and the practicability of the industrial furnace is enhanced.

The utility model provides a transmission seat with an internal circulation oil duct and a temperature sensing interface, which comprises a main seat body, the main seat body is provided with a first inner cavity and a second inner cavity in a penetrating manner along the central axis direction, the first inner cavity and the second inner cavity are coaxially arranged, and the inner diameter of the first inner cavity is larger than that of the second inner cavity to form a limiting step for propping against a bearing assembly; an oil inlet hole and an oil outlet hole are formed in the side wall of the first inner cavity in a penetrating mode, and an oil groove is further formed in the inner wall of the first inner cavity and communicated with the oil inlet hole and the oil outlet hole. A mounting hole for assembling a temperature sensor is further formed in the top of the first inner cavity in a penetrating mode. Through the design of the oil inlet hole, the oil outlet hole and the oil groove, cooling lubricating oil is directly guided to flow through a bearing assembly installation area, direct and efficient heat dissipation of the contact face of the bearing assembly and the transmission base is achieved, and the problem that the temperature of the transmission base is increased due to the fact that a servo motor drives a lead screw to rotate is fundamentally solved.

The utility model discloses a circulating mold temperature controller for continuous casting of grids, which comprises a case, an oil supplementing tank, an oil storage tank, an oil pump, a heating cylinder and a heat exchange plate, the oil supplementing tank is mounted at the top of the outer side of the case, and the oil storage tank, the oil pump, the heating cylinder and the heat exchange plate are mounted in the case; a stop valve is connected between the bottom end of the oil supplementing tank and the top end of the oil storage tank, a circulating oil inlet is formed in the outer side of the oil storage tank, the bottom of the oil storage tank is communicated with an oil inlet of the oil pump, the heating cylinder is horizontally installed, one end of the heating cylinder is communicated with an oil outlet of the oil pump through an oil inlet pipeline, and the other end of the heating cylinder is communicated with the heat exchange plate through an oil outlet pipeline. A circulating oil outlet, a cooling water inlet and a cooling water outlet are formed in the outer side of the heat exchange plate, and the circulating oil inlet, the circulating oil outlet, the cooling water inlet and the cooling water outlet extend out of the case. The circulating type mold temperature controller has the advantages of being small in circulating oil consumption, high in starting speed, capable of rapidly adjusting the oil temperature and the like.

The utility model discloses a high -strength LNG loading and unloading arm relates to LNG loading and unloading arm technical field, including support seat and fixedly installed bottom pipe of support seat top, the inside rotation of bottom pipe is equipped with rotating column, and the outer wall upper end of rotating column is equipped with loading and unloading subassembly and fixedly installed, and the inside between rotating column and bottom pipe is equipped with rotating subassembly, and the inner wall lower end of bottom pipe is equipped with filter screen and fixedly installed, and the outer wall lower end of bottom pipe is equipped with oil injection pipe and fixedly installed, and the upper end spout of oil injection pipe is equipped with circulating oil pipe with bottom pipe lower end intercommunication, and the outer wall of bottom pipe is equipped with lubricating oil tank and fixedly installed, and the bottom of lubricating oil tank is equipped with oil filler pipe and intercommunication, and the lower end of oil filler pipe is equipped with oil injection pipe and is gone into. The utility model discloses can make loading and unloading arm when using, and lubricating oil continues to flow and effectively lubricates rotating subassembly, and the oil of lubricating drop can be collected after filtration and use again, improves the use intensity and use multifunction of loading and unloading arm.

The utility model discloses an atmospheric and vacuum light hydrocarbon recovery integrated unit using low-temperature heat instead of high-temperature heat, which belongs to the technical field of catalytic cracking units and comprises an atmospheric tower, the atmospheric tower is connected with an atmospheric-medium circulating oil path, and a first heat exchanger and a second heat exchanger are connected in series on the atmospheric-medium circulating oil path; the atmospheric tower is connected with a second normal stripping tower and a third normal stripping tower through a second normal pipeline and a third normal pipeline; the normal second pipeline and the normal third pipeline are connected with a mixing pipeline; a reboiler is additionally arranged at the bottom of the light hydrocarbon recovery desorption tower, a cold source inlet end and a cold source outlet end of the reboiler are connected with the light hydrocarbon recovery desorption tower, a heat source inlet end is connected with the mixing pipeline, a heat source outlet end is connected with an air cooling pipeline, and the air cooling pipeline is connected with an air cooling device. A second normal pipeline and a third normal pipeline are mixed together and sent to a reboiler to heat a light hydrocarbon recovery desorption tower, and a first normal circulation oil path and a middle normal circulation oil path are all used for raw oil heat exchange; high-temperature waste heat and low-temperature waste heat can be effectively utilized, so that the gas consumption of the heating furnace is reduced, and the load of an air cooling device is reduced.

The invention relates to the technical field of motors, and discloses a high-efficiency and energy-saving in-groove cooling motor, which comprises a motor body and a motor casing sleeved outside the motor body, the surface of the motor body and the inner wall of the motor casing are respectively provided with a flow channel adjusting plate and a first semi-open groove, and the flow channel adjusting plate and the first semi-open groove form a cooling groove. The inner walls of the two ends of the motor shell are provided with annular flow guide grooves communicated with the cooling groove, the top and the bottom of the motor shell are provided with an oil inlet pipe and an oil return pipe respectively, and the oil inlet pipe and the oil return pipe are sleeved with the two annular flow guide grooves respectively. According to the efficient and energy-saving type in-groove cooling motor, a surrounding type comprehensive cooling space is formed by two annular flow guide grooves and a plurality of flow channel adjusting plates which are arranged in the motor shell and a plurality of first semi-open grooves which are formed in the outer surface of the motor body, and the cooling space is subsequently combined with a circulating pump conveying module and a transition pipeline for use; comprehensive circulating oil cooling can be carried out on the motor body, and the energy-saving effect is improved while the operation efficiency is improved.

The application discloses an anti-harmonic transformer for a power supply system, which comprises a voltage-withstanding shell, an internal winding, a heat dissipation box, a circulating oil tank, a heat dissipation mechanism and a dust removal protection mechanism. The heat dissipation mechanism is composed of an external air inlet box, a compressed air tank, a condenser, a circulating exhaust pipe and a top exhaust pipe. The dust removal protection mechanism is composed of a transmission assembly, a transmission worm, a rotating worm wheel and a cleaning fan. The anti-harmonic transformer for the power supply system is provided with the heat dissipation box, the circulating oil tank, the compressed air tank and the condenser, so that the service life of transformer oil is prolonged, the heat dissipation efficiency of the internal winding and the filter reactor is further improved, the diameter of the top oil inlet pipe is much larger than the diameter of the bottom oil outlet nozzle, the transformer oil inside the anti-harmonic transformer can be discharged more cleanly, the existence of un-discharged transformer oil is prevented, the service life of the transformer oil is prolonged, the transmission assembly and the cleaning fan are arranged to clean the dust on the top high-voltage terminal below.

The utility model relates to a first esterification kettle yield increasing and energy saving device which comprises a primary heating medium oil supply pipeline and a primary heating medium oil return pipeline, a temperature sensor I and a temperature sensor II are installed on the primary heating medium oil supply pipeline, and a temperature sensor III is installed in a reaction kettle. A secondary heating medium oil supply pipeline is connected between the primary heating medium oil return pipeline and the primary heating medium oil supply pipeline, a circulating oil pump is connected to the secondary heating medium oil supply pipeline, an inlet valve and an outlet valve are installed on the secondary heating medium oil supply pipeline, and the secondary heating medium oil supply pipeline is connected with the primary heating medium oil supply pipeline through a first pipeline in front of the inlet valve. The secondary heating medium oil supply pipeline is connected with the primary heating medium oil supply pipeline through a second pipeline in front of the outlet valve, and the second pipeline is provided with a second valve. The secondary heating medium can be utilized, the circulation flow of the heating medium can be increased, or the circulation flow of the primary heating medium can be directly increased, the temperature of a heating medium outlet of a header pipe can be reduced, the pressure of a header oil supply pipe can be reduced, and energy conservation and consumption reduction can be realized by reducing the number of circulating oil pumps and adjusting the service power.

The present application relates to cooling tower technical field, specifically for a kind of mining energy-saving cooling tower, including bearing mechanism, the bearing mechanism inside is provided with multiple axial distribution first-stage cooling mechanism, the bearing mechanism upper end is provided with inwards conversion mechanism, the bearing mechanism lower end is provided with outwards conversion mechanism, the bearing mechanism is installed with second-stage cooling mechanism, the bearing mechanism outside is installed with third-stage cooling mechanism, the first-stage cooling mechanism includes enclosure, the enclosure is located in the bearing mechanism inside. By constant temperature drinking water flows through the inside of bearing mechanism, thereby cooling circulating oil, effectively utilize the flow of constant temperature drinking water to take away part of heat, reach certain cooling effect, avoid the case of using a large amount of cooling water to cool, by the bending shape of bend pipe, when partial pressure passes through bend pipe, under the joint action of constant temperature cooling water, second-stage cooling mechanism and third-stage cooling mechanism, the purpose of efficiently cooling circulating oil is realized.

The utility model discloses a cooling system for an air-cooled reciprocating compressor, which comprises a lubricating oil cooler and a softened water tank, the lubricating oil cooler is connected with a lubricating oil inlet, a lubricating oil outlet, a softened water inlet and a softened water outlet, and the lubricating oil inlet is connected with an oil inlet pipeline connected with a lubricating oil tank. The lubricating oil outlet is connected with an oil outlet pipeline connected with a compressor forced lubrication component, and a circulating oil pipe is connected between the compressor forced lubrication component and the lubricating oil tank; an outlet of the softened water tank is connected with a softened water cooler through a pipeline, an outlet of the softened water cooler is connected with a compressor cooling pipeline and a lubricating oil cooling pipeline in parallel, and softened water in the compressor cooling pipeline is used for being introduced into a jacket layer of a compressor component and is introduced into the softened water tank after the compressor component is cooled; the lubricating oil cooling pipeline is connected with a softened water inlet of the lubricating oil cooler, and a water return pipeline is connected between a softened water outlet of the lubricating oil cooler and the softened water tank.

The invention discloses a compact hydraulic locking rotary blowout preventer, and relates to the technical field of petroleum mechanical equipment. The device comprises a rotating assembly, a shell, a plurality of hydraulic clamping assemblies and a plurality of displacement sensors. A clamping jaw is slidably installed in a sliding groove, one end of the clamping jaw is fixedly connected with the telescopic end of a self-locking hydraulic cylinder, and a clamping groove matched with a clamping protrusion in a clamped mode is formed in the other end of the clamping jaw. Each displacement sensor is fixed to the outer side wall of the upper shell corresponding to the second mounting hole, and the detection end of each displacement sensor penetrates through the second mounting hole to be connected with the clamping jaw to detect displacement of the clamping jaw. After the rotating assembly is lowered in place, the lubricating oil circulating oil duct is automatically communicated, the clamping jaw can automatically clamp the rotating assembly under driving of the self-locking hydraulic cylinder, connection between the shell and the rotating assembly is achieved, connection is simple, the execution efficiency is high, climbing operation is not needed, the situation of potential safety hazards is effectively avoided, and the service life of the rotating assembly is prolonged. And meanwhile, whether the clamping jaw clamps in place or not can be detected through the displacement sensor, firm connection is ensured, and the safety of equipment is ensured.

The utility model relates to the field of coking equipment, concretely relates to a special circulating oil adjusting device for production of needle coke. The special circulating oil adjusting device includes: a fractionating column, has the bottom, and is provided with circulating oil oil collecting tank for containing circulating oil above the bottom, circulating pipeline, including the out -of -tower pipeline and the tower inlet pipeline that communicate with circulating oil oil collecting tank and circulating oil pump that links to each other with the out -of -tower pipeline and the tower inlet pipeline, tower bottom pipeline, communicates circulating oil pump with the bottom, and is provided with flow control valve on the tower bottom pipeline. The special circulating oil adjusting device for production of needle coke of the utility model adds independent circulating pipeline, can directly inject circulating oil into the fractionating column bottom, thereby more conveniently individually adjusts circulating oil amount.