14results about How to "Increase heating rate" patented technology

The application discloses a reaction device for preparing high-purity lithium carbonate, which comprises a calcination device base, a calcination furnace support frame is fixedly installed on the top surface of the calcination device base, a movable assembly is movably installed on the top surface of the calcination device base, an automatic discharging assembly is fixedly installed on the top surface of the calcination device base, and a collecting assembly is fixedly installed on the side surface of the calcination device base. The automatic discharging assembly is arranged, the rotating screw rod can rotate in the first fixed plate, the moving column can move horizontally on the top surface of the calcination device base, the electric telescopic rod is elongated, the calcination furnace body is driven to ascend as a whole, the connecting shaft is driven to rotate through the third driving device, the sleeve joint ring can be overturned together with the calcination furnace body by a certain angle, the automatic pouring of raw materials can be realized, and manual discharging work is replaced, so that the practicability of the device is improved.

The invention discloses a fuel cell system and a water state control method thereof, and relates to the technical field of fuel cells, the system comprises a fuel cell stack, and a bipolar plate of the fuel cell stack is internally provided with a cooling liquid flow channel for introducing a cooling liquid with a set temperature; a magnetic heat conversion device is arranged on the outer side of the cooling liquid flow channel; the cooling liquid circulation subsystem is communicated with a cooling liquid flow channel in the fuel cell stack through a pipeline; and the water state control subsystem can monitor the temperature of the cooling liquid entering and exiting the fuel cell stack and the spatial distribution of different forms of water in the fuel cell stack, and respectively controls the working state of the cooling liquid circulation subsystem and the working state of the magnetic-thermal conversion device according to the temperature and water state distribution information. According to the fuel cell system and the water state control method thereof, the uniform distribution of water states between single sheets and in the sheets in the low-temperature rapid cold start and normal operation process can be realized, the occurrence of local water flooding or film drying faults is avoided, the output performance of the fuel cell system is improved, and the service life of the fuel cell system is prolonged.

The utility model provides a neodymium iron boron hydrogen demolishing reaction system which comprises a hydrogen demolishing furnace, the hydrogen demolishing furnace comprises a furnace body, a first inner cavity and a second inner cavity are arranged in the furnace body, the first inner cavity is embedded in the second inner cavity, a closed circulation channel is formed between the first inner cavity and the second inner cavity, and the first inner cavity is communicated with the second inner cavity. The circulating channel is used for being filled with heating or cooling fluid to heat or cool the first inner cavity, the first end of the furnace body communicates with the circulating channel, and the second end of the furnace body communicates with the first inner cavity; the heat preservation part is arranged on the peripheral side of the furnace body and comprises a driving mechanism, a first heat preservation part and a second heat preservation part, when the first inner cavity is heated, the first heat preservation part and the second heat preservation part wrap the outer surface of the furnace body through the driving mechanism, and when the first inner cavity is cooled, the first heat preservation part and the second heat preservation part wrap the outer surface of the furnace body through the driving mechanism. The first heat preservation part and the second heat preservation part are far away from the outer surface of the furnace body through the driving mechanism.

The application relates to a liquid rocket engine test heating device, in particular to a liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device and method, and solves the technical problem that the existing low-temperature liquid rocket engine usually adopts an external hot air forced convection or electric heating wire heating nitrogen gas mode to heat the pipeline and the engine inner cavity nitrogen gas, and it is difficult to meet the low-temperature liquid rocket engine pipeline and engine inner cavity rapid temperature recovery requirement. The liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device comprises a heating unit, a pressure monitoring unit, a temperature monitoring unit and a control unit; the heating unit comprises a buffer tank and a heating assembly arranged on the buffer tank; an air inlet of the buffer tank is used for being connected with an air source; the pressure monitoring unit and the temperature monitoring unit are arranged on the buffer tank and are connected with the control unit respectively; and the control unit is used for controlling the heating assembly to work according to the inner cavity nitrogen gas temperature and the outer wall temperature of the buffer tank.

This utility model relates to the field of oil production technology and discloses an oil raw material tank, including a tank body, a top cover fixedly connected to the top of the tank body, a connecting seat fixedly connected to the upper surface of the top cover, an oil plug rotatably connected to the outer surface of the connecting seat, and an isolation groove provided inside the tank body. This utility model has the following advantages and effects: the bottom support base provides support for the tank body. Since the oil raw materials stored inside the tank for a long time may solidify, multiple heat-conducting pipes are installed inside the isolation groove. When the oil raw materials need to be discharged, the operator activates the heat-conducting pipes to heat the inside of the isolation groove, thereby gradually raising the temperature of the containing cavity and melting the stored oil raw materials. Furthermore, the heating pipes fixed in the bottom groove inside the bottom support base simultaneously heat the bottom, increasing the heating rate of the oil raw materials inside the tank.

The utility model discloses a battery pack and electric equipment. The battery pack comprises a frame, a battery pack and a battery pack, the battery is arranged in the frame and comprises a plurality of single batteries, the single batteries are arranged in the first direction, the projection area of the battery in the second direction is larger than that of the battery in the third direction, and the first direction, the second direction and the third direction are perpendicular to one another in pairs; and the heating piece is arranged on the frame, and the heating piece is arranged on one side of the battery in the second direction and at least one side of the battery in the first direction and the third direction. According to the battery pack disclosed by the embodiment of the utility model, the heating pieces are arranged on the side surfaces of the battery along different directions, and one side surface provided with the heating piece is a surface with a larger area of the battery, so that a plurality of side surfaces of the battery can be heated, and the heating rate and the heating uniformity of the battery can be improved; therefore, the working performance of the battery pack in a low-temperature environment is improved, the heating piece is not easy to damage, and the battery heating effect is relatively stable.

This invention discloses a reaction apparatus for preparing high-purity lithium carbonate, including a calcination apparatus base, a calcination furnace support frame fixedly installed on the top surface of the calcination apparatus base, a movable component movably installed on the top surface of the calcination apparatus base, an automatic feeding component fixedly installed on the top surface of the calcination apparatus base, and a collection component fixedly installed on the side of the calcination apparatus base. By setting up the automatic feeding component, the rotating screw can rotate inside the first fixed plate, allowing the moving column to move horizontally on the top surface of the calcination apparatus base. At this time, an electric telescopic rod extends, driving the entire calcination furnace body to rise. Furthermore, a third drive device drives the connecting shaft to rotate, allowing the connecting ring to rotate at a certain angle along with the calcination furnace body. This achieves automated material dumping, replacing manual feeding and thus improving the practicality of the apparatus.

The invention discloses a water-saturated wet material hydrothermal cracking reaction kettle and a hydrothermal cracking fertilizer preparation method. The water-saturated wet material hydrothermal cracking reaction kettle comprises a tank body with a jacket structure, a steam vertical spray pipe and a steam side spray pipe, the tank body comprises a tank body straight section, a tank body upper part and a tank body bottom; and at least two steam vertical spray pipes extend into the tank body from the top of the straight section of the tank body. The tail end of the steam vertical spraying pipe is provided with a plurality of branch pipe nozzles which are arranged in the rotating direction, so that steam sprayed through the branch pipe nozzles can be sprayed into the tank body in the consistent rotating direction. The steam side spraying pipe is arranged on the side wall face of the bottom of the tank body and provided with a bent nozzle, and a non-return device is arranged in the bent nozzle. The rotating direction of the bent nozzle is opposite to the rotating direction of the branch pipe nozzle. The device has the advantages of promoting uniform mixing of materials, shortening heating time, reducing energy consumption and the like, has good fertilizer efficiency, does not have an aerobic composting process, well solves the problem of long period of traditional fertilizer preparation, and saves land occupation, labor investment and other investments.

The application discloses a kind of power battery system super low temperature charge-discharge heat management methods, comprising: starting fuel cell system under super low temperature environment, pull up the power of the fuel cell system, the electric energy generated is used to power heater and fuel cell auxiliary components;Control water pump to circulate cooling liquid between power battery pack and fuel cell system;According to the temperature of power battery pack, control electronic thermostat to switch cooling liquid circulation mode;When power battery pack reaches the first preset temperature, the fuel cell system is closed, and only rely on heater to provide heat for power battery pack;When heater cannot guarantee the temperature rise of power battery pack, restart fuel cell system.The power battery system super low temperature charge-discharge heat management method of the application uses the wide temperature range characteristics of fuel cell to heat the power battery pack under extremely cold conditions, so as to ensure the normal use of vehicle, solve the industry problem that power battery cannot charge and discharge below-40 DEG C, and improve the extreme cold adaptability of whole vehicle.

The utility model discloses a milk tea cup injection mold capable of preventing generation of bubbles, and belongs to the technical field of milk tea cup production, and the milk tea cup injection mold is characterized by comprising a lower bottom plate, a plurality of lower mold plates are arranged at the top of the lower bottom plate, and electric telescopic rods are arranged at the four corners of the outer walls of the tops of the lower mold plates; a piston rod of the electric telescopic rod is connected with an upper mold plate, an upper top plate is arranged at the top of the upper mold plate, an injection molding hole is formed in the middle of the top of the upper top plate, a flow dividing groove is formed in the upper top plate and is of a cross-shaped structure, and an injection hole is formed in the tail end of the flow dividing groove. An injection hole is formed in the upper mold plate, the injection hole communicates with the upper mold plate, an exhaust channel is formed in the upper top plate, the exhaust channel is of an n-shaped structure, and the exhaust channel is distributed along the edge of the diversion groove. According to the injection mold, air in the mold can be conveniently exhausted, bubbles generated in the injection molding process can be reduced, and the production quality of milk tea cups is improved.

The utility model provides a boiler membrane type water cooling wall containing bent flat steel, which is characterized in that the boiler membrane type water cooling wall is formed by alternately welding the bent flat steel and steel pipes, the bent flat steel comprises a left wing and a right wing, an included angle is arranged between the left wing and the right wing, and the left wing and the right wing have elasticity due to the included angle. When the bent flat steel is heated to expand, the left wing and the right wing are stretched towards the two sides, the angle of the included angle is increased, and then stretching stress generated during expansion is absorbed; when the bent flat steel is cooled and contracted, the left wing and the right wing are extruded towards the inner side, the angle of the included angle is reduced, then extrusion stress generated during contraction is absorbed, and the left wing and the right wing are integrally formed. Elastic compensation is added to existing plane flat steel, the problem that a boiler is damaged due to deformation of the membrane type water cooling wall is solved to a certain degree, the absorption area is increased, and the heat rate is increased.

This invention belongs to the field of sodium sulfate solution recovery, specifically a sodium sulfate solution evaporation crystallization separator and its operating method. The separator includes a tank, with a feed pipe at the top and a baffle fixedly connected to the inner wall of the tank. The top of the baffle has a concave structure, and a first housing is fixedly connected to the bottom of the baffle. A first heating wire is fixedly connected to the inner wall of the first housing. A discharge port is opened at the center of the baffle. A support plate is fixedly connected to the inner wall of the tank below the baffle, and a first mounting bracket is fixedly connected to the middle of the support plate. The sodium sulfate solution evaporation crystallization separator and its operating method provided by this invention use a guide ring to allow the evaporated steam to float upwards and flow upwards along the arc surface of the inner wall of the guide ring. The guide ring is heated by a second heating wire to maintain its temperature above the steam dew point. When the steam comes into contact with the inner wall of the guide ring, it will not liquefy but will escape directly upwards, avoiding the condensation of water droplets on the inner wall of the guide ring.

The utility model relates to a temperature control device for bridge cable hot casting anchor anchoring material casting, relates to the device of hot casting anchor anchoring material casting, including at least one installation dynamic heat preservation device on the anchor cup, dynamic heat preservation device includes annular sleeve, heat preservation device, temperature sensor, control system, the inner hole of annular sleeve is covered on the outer surface of anchor cup, heat preservation device, temperature sensor are installed in the closed cavity of annular sleeve respectively, the signal output end of temperature sensor is connected with the signal input end of control system, the signal output end of control system is connected with heat preservation device, the utility model discloses through heat preservation device can make the anchoring material in the anchor cup keep proper temperature, solve the problem of the insufficient compactness caused by the big void ratio of anchoring material and the uneven casting, further promote the anchoring efficiency, can also reduce the thermal stress crack in the cooling process of casting, significantly improve the anchoring material quality.

The application discloses a non-oriented silicon steel steam bluing method, and belongs to the technical field of metal surface modification, and comprises the following steps: S1: non-oriented silicon steel treatment; S2: non-oriented silicon steel pickling activation; S3: blow drying; S4: assembling a steam bluing device; S5: non-oriented silicon steel preheating, reaching a set temperature, and passing in water vapor; the heated non-oriented silicon steel is subjected to bluing in the water vapor environment; after the bluing is completed, cooling to room temperature; and the non-oriented silicon steel completes steam bluing; the non-oriented silicon steel is heated by a high-frequency induction heating coil; compared with the prior art, the heating rate of the non-oriented silicon steel can be accelerated, the efficiency of steam bluing of the non-oriented silicon steel is accelerated, the steam bluing time of the non-oriented silicon steel is shortened, cost loss is reduced, and the steam bluing effect is good.