115results about How to "Avoid overheating" patented technology

The invention relates to a material increase manufacturing method for a titanium alloy shape part by using a double-arc hybrid heat source. The method comprises the following steps: MIG welding and TIG welding are originally combed, a welding wire as a melting electrode is sent out by an MIG welding gun and is subjected to surfacing on a base plate; an MIG power anode is connected with a TIG power anode, and an MIG power cathode is connected with the base plate, the MIG welding gun is connected with the MIG power anode, and a TIG welding gun is connected with a TIG power cathode; the MIG welding gun is in the front, and the TIG welding gun is in the back; the current of the welding wire is shunted through a TIG welding circuit, so that the current passing through the welding wire is large, and the current passing through a weldment is small. After the base plate completes a first surfacing layer, a hybrid welding gun is increased by a story height, and a second layer of shape part is welded; the above process is repeated, so that the titanium alloy shape part is formed by overlaying plurality of surfacing layer. The method has the advantages of being high in metal deposition rate, high in welding speed, less in weldment heat input, good in structural and mechanical properties of the shape part and low in cost and solves the problems of lager heat input, low welding speed, poor welding quality and low efficiency during material increase manufacturing of the traditional titanium alloy single TIG arc wire feeding.

The car air-conditioner refrigerant flow control system adopts the electronic expansion valve as refrigerant flow regulating mechanism. The inlet and outlet of the evaporator are equipped with temp. sensors for respectively measuring the temp. of inlet and outlet of evaporator, and the sum of the difference of both two temp. and correction value of overheating degree of the pressure drop in the evaporator can be used as actual overheating degree of evaporator, and the deviation of the actual overheating degree and set overheating degree can be used as overheating degree feedback signal of theevaporator and fed into the controller, at the same time the rotating speed of the compressor as feedforward signal also can be fed into the controller.

The invention relates to a gasification furnace used for preparing synthesis gas, in particular to a multi-jet vertical airflow bed. An oxidative gasification furnace for non-catalytic parts of inferior raw materials comprises that at least a jet (2) on the top part of a gasification reaction chamber (3) which is communicated with a chilling washing chamber (4) and is characterized in that the gasification reaction chamber (3) is arranged on the upper part of the gasification furnace while the chilling washing chamber (4) is arranged at the lower part of the gasification furnace; the gasification reaction chamber (3) and the chilling washing chamber (4) share a pressure bearing cylinder (1). The gasification furnace has the advantages of avoiding the excessive temperature of the upper part of the gasification reaction chamber and also prolonging the service life of a part at a slag export region of the lower part of the gasification reaction chamber.

The invention discloses a charging method adopting USB interfaces, which is characterized in that after detecting voltage input on the power pins of the USB interfaces, a charge control module firstly detects the data pin signals of the USB interfaces and then sets different charge current for the batteries according to the difference of the data pin signals; if detecting that the two data wires of the USB interfaces are at high level, the charge control module sets high current for charging the batteries, or the charge control module sets low current for charging the batteries; the USB interfaces employ voltage of 4.5-5.6V. In the method, under the same low charge voltage, whether the inserted power supply is from the computer or the travel charger is judged by recognizing the data pin signals of the USB interfaces, thus setting different charge current for the batteries, solving the problem that the existing travel chargers have big current and big voltage when charging and reducing the heat power consumption during charging.

The invention relates to a waste plastic shredding device, in particular to a rapid waste plastic shredding device for food production and aims to provide the rapid waste plastic shredding device for food production which is thorough in shredding, convenient to operate and high in shredding speed. The rapid waste plastic shredding device for food production comprises a cutter, a lifting rod, a first connecting rod, a planetary gear, a crank, a gear ring, a second connecting rod, a right rack, a first motor, a top plate, a first sliding rail, a first sliding block and the like; a left rack and a mounting base are arranged on the left side of top of a bottom plate; the mounting base is positioned on the right side of the left rack; and a small belt pulley is mounted on the mounting base. The rapid waste plastic shredding device for food production realizes the effects of thorough shredding, convenience in operation and high shredding speed and plays the important roles in realizing an excellent shredding effect, improving the working efficiency and realizing high safety.

The invention provides a quick-frozen roughage dumpling wrapper and a preparation method thereof, wherein the preparation method comprises the following steps: mixing 4-6 weight parts of roughage with 0.5-1.5 weight parts of corn starch, then adding the obtained mixture into water at a temperature more than 80 DEG C so as to make dough with boiling water; adding 3-5 weight parts of wheat flour into the obtained dough, uniformly mixing the wheat flour with the dough, then kneading the mixture into dough; and cutting the dough into pieces, then rolling the pieces into dumpling wrappers. The invention also provides a quick-frozen roughage dumpling and a preparation method thereof, wherein the preparation method comprises the following steps: putting stuffing on the dumpling wrapper above andkneading the dumpling wrapper so as to obtain a dumpling; and carrying out freeze preservation on the obtained dumpling. The dumpling wrapper prepared by using the method provided by the invention isrich in nutrition and high in gluten degree, does not contain chemical additives, and can be stored in a refrigeration house for a long time without cracking.

The invention discloses a control method of a Rack server backup server; when an RMC (remote management center) is abnormal and lose the control for adjusting a cabinet fan, a Rack server controls the fan directly via a node intermediate plate. The control method has the advantages that the fan can operate at a system-required speed when an RMC module is abnormal, power waste or component over-heat is avoided, and operational stability of the Rack cabinet is improved.

The invention discloses a novel intelligent electric coagulation forceps system which comprises a forceps body and a main machine for supplying power to the forceps body, wherein the forceps body comprises forceps tips and forceps rods. The novel intelligent electric coagulation forceps system is characterized by further comprising a current detection device and a voltage detection device which are used for respectively detecting current and voltage between the forceps tips. Impedance of an object between the forceps tips is calculated according to the ratio of the voltage to the current, and the main machine gradually decreases output power of the forceps tips along with gradual increase of the impedance. A water inlet channel is arranged on the forceps body, an outlet of the water inlet channel is located at the positions of the forceps tips, a first positioning rod is fixed in front of the forceps rod on one side, and a corresponding positioning hole is arranged on the forceps rod on the other side. The temperature of the forceps tips is controlled within a certain range by detecting the temperature of the forceps tips in real time, so that adhesion effect of the electric coagulation forceps is ensured, and a superheat phenomenon is avoided.

The invention provides daily-use ceramic bowl vibration polishing equipment based on negative pressure attachment, and relates to the field of ceramic bowl machining. The daily-use ceramic bowl vibration polishing equipment based on negative pressure attachment comprises a base, supporting legs are fixedly connected to the periphery of the upper surface of the base, a supporting plate is fixedly connected to the upper surfaces of the supporting legs, first bolts are arranged on the inner wall of the supporting plate, the tops of the surfaces of first threads are in threaded connection with first fixing blocks, and the upper surfaces of the first fixing blocks are fixedly connected with first clamping rings. According to the daily-use ceramic bowl vibration polishing equipment based on negative pressure attachment, a piston block moves upwards, negative pressure is generated below the piston block, certain adsorption capacity is achieved on a ceramic bowl through an air hole, so that the problem that in the case of existing daily-use ceramic bowl vibration polishing equipment, when the ceramic bowl is fixed through a clamp, the clamping force of the clamp to the ceramic bowl is relatively small, so that during polishing, the ceramic bowl is prone to falling off, and then the polished ceramic bowl is inconvenient to take out is effectively solved.

The invention belongs to the field of solar water heaters and particularly relates to an automatic control system of an solar water heater and a control method thereof. The automatic control system comprises a water storage tank, a main circuit controller, a 220V AC (Alternating-Current) circuit controller and a water delivery pipe, wherein the main circuit controller comprises a central processor, and the central processor is respectively and electrically connected with a water-level detection circuit, a temperature detection circuit, a heating circuit, a light sampling circuit, a water inlet valve control circuit, a water outlet valve control circuit, a display circuit and a keyboard circuit; the water-level detection circuit also comprises photoelectric liquid-level switches which are arranged at liquid-level positions of the 30 percent volume, the 60 percent volume and the 90 percent volume in the water storage tank of the solar water heater; and simultaneously, the 220V AC mains-supply control circuit is used for matching to assist heating. The automatic control system has the advantages that the water temperature and the water level are maintained in the set range, so that the solar water heater is prevented from being damaged due to over-low water temperature and water scales are prevented from being formed when the water temperature is high.

The invention discloses a cabinet air conditioner. The cabinet air conditioner comprises a shell and a wind guiding assembly. When the cabinet air conditioner operates, an air guiding opening is formed in the air guiding assembly, and based on the structure of the cabinet air conditioner, airflow subjected to heat exchange in the cabinet air conditioner and air at the air guiding opening can be mixed together and then discharged; and when the cabinet air conditioner is stopped, the air guiding assembly and the shell form a sealing structure. According to the cabinet air conditioner, the phenomenon that the outlet wind of the air conditioner is overheated or overcooled can be avoided, meanwhile, the problem that dust enters the interior of the air conditioner after the air conditioner is stopped is effectively solved, and due to the smooth structure of the cabinet air conditioner, when the air conditioner operates, the wind power loss of the air conditioner is small.

A suction cleaner comprises a shell, a motor, fan blades and a filter. The suction cleaner is characterized in that the motor is installed in a cavity at the back of the shell; the fan blades for exhausting the airflow are installed on an output shaft of the motor; the fan blades and the motor are longitudinally arranged in the cavity, and the fan blades are at least provided with slant blade surfaces pressing the airflow at the entrance of the cavity toward the motor and also provided with approximately perpendicular blade surfaces which lead the airflow in the cavity out of the air outlet at the back. The suction cleaner has the following advantages: the air cooling structure is simple and reasonable, and the airflow is used for cooling the motor, the circuit board and the batteries in operation to avoid overheat, thus having the protection effect and prolonging the service life.

The invention discloses a wire arc additive manufacturing method of Al-Mg-Si alloy. The wire arc additive manufacturing method of Al-Mg-Si alloy comprises the following steps that firstly, cooling rolling is used for assisting in arc additive forming; secondly, milling is carried out on the side face and the top face of an additional material body; thirdly, a friction stir machining device is usedfor carrying out friction stir machining on the additional material body, meanwhile, in the friction stir machining process, a cooling rolling device is used for exerting cooling rolling on the sidewall of the additional material body; fourthly, finish milling is carried out on the upper surface of the additional material body for preparing of arc additive forming of the next step; fifthly, theabove steps are circularly and repeatedly executed until the final forming of the part is finished. Dendritic growth and grain refining in the Al-Mg-Si alloy additive forming process can be completelybroken, defects of air holes, cracks and the like can be effectively overcome, meanwhile, in the wire arc additive manufacturing and the modification process thereof, cooling is applied, the problemsof additional material body overheating and microstructure coarsening caused by overheating can be solved, and the mechanical property, particularly, plasticity and fatigue properties, of the addition material body can be greatly improved.

The invention provides an inner water-cooled generator stator anti-vapor blocking device which is connected with a stator waterway of a generator cooling system. The anti-vapor blocking device comprises a temperature measurement element, a flowmeter and a pressure release unit. The temperature measurement element is arranged at a 12-o'clock position of a parallel ring top end of the stator and used for predetermining occurrence of a vapor blocking phenomenon. The flowmeter is arranged on an outer wall of a small conflux pipe and used for predetermining occurrence of the vapor blocking phenomenon. A flow signal of the flowmeter and a measurement signal of the temperature measurement element are led outside the generator by a generator base box terminal and are jointly sent to a generator monitoring system. The pressure release unit is connected to the 12-o'clock position of the parallel ring top end of the stator through a pipe and used for releasing vapor-blocked gas. By monitoring temperature and water pressure of the parallel ring top end of the stator and the system flow, accidents that a stator coil is overheated and winding bars are burned due to vapor blocking of the generator can be timely and effectively prevented, and the equipment operation reliability is improved.

The invention relates to a tower type solar energy-steam combustion gas combined cycle power generation system, which comprises a solar energy heat absorber, a combustion gas turbine, a residual heat boiler and a steam turbine. The residual heat boiler is connected with the combustion gas turbine; the solar energy heat absorber is connected with a superheater unit of the residual heat boiler; a fume outlet of the combustion gas turbine is communicated with a main flue of a fire hole section of the residual heat boiler; a bypass pipeline is arranged on the main flue; a fume distributing device is arranged on the bypass pipeline; when solar energy reaches a preset value, the fume distributing device closes the bypass pipeline; and when the solar energy does not reach the preset value, the fume distributing device opens the bypass pipeline. By using the tower type solar energy-steam combustion gas combined cycle power generation system, through arranging the bypass pipeline on the main flue and the fume distributing device, the flexible regulation of a superheated steam temperature is realized; the defect that the power generation by using pure solar energy is unstable is overcome; the power generation efficiency and the power generation quality are improved; the consumption of a fuel can be effectively decreased; and the purposes of energy saving and emission reduction are achieved.

The invention relates to an automotive solar energy and engine waste heat dual-energy refrigeration air conditioner, in particular to an air conditioner device by comprehensively using solar energy and automotive engine waste heat. The air conditioner comprises an absorber, a solution pump, a low-temperature heat exchanger, a high-temperature heat exchanger, a high-pressure generator, a low-pressure generator, a condenser, an evaporator, a refrigerant pump and an air-cooling radiator, and is characterized by also comprising an interior heat exchanger connected with a heat exchange coil arranged in the evaporator, a heat energy storage which is connected and exchanges heat with the high-pressure generator through a heat-transfer pipe and a heat pump arranged in the heat-transfer pipe. Solar energy collected by a solar energy thermal collector arranged on the top of an automobile and engine waste heat collected from engine exhaust pipe and engine radiation water tank input heat into the inside of the heat energy storage through pipelines. The refrigeration part of the air conditioner uses water as a refrigerant and a solution of lithium bromide as an absorbent for refrigeration. The air conditioner reasonably uses solar energy and engine waste heat in automotive air conditioner, and is characterized by economy, energy conservation, no environmental pollution and the like.

The invention discloses a power-supply system of a data center, which comprises a mains supply unit, a power generation unit, a switching unit, at least a server unit, a power storage unit and a cooling unit, wherein the switching unit is connected between the mains supply unit and the power generation unit, the at least a server unit is connected with the switching unit, the power storage unit is connected between the switching unit and the at least a server unit, and the cooling unit is connected with the power storage unit.

The present invention discloses a device and a method for balancing control of a lithium battery, and belongs to the field of electrical energy storage. The device is designed to solve the problem in the prior art that an abnormity of an electric device may result from overheating of a shunt unit during the balancing process of a lithium battery set. The device for balancing control of the lithium battery comprises a battery set, a scheduling unit, the shunt unit and a voltage acquiring unit, wherein the voltage acquiring unit is arranged at one side of single batteries in the battery set; the single batteries are connected with shunt circuits in the shunt unit in parallel; the shunt unit and the voltage acquiring unit are respectively connected with the scheduling unit; a temperature acquiring unit is arranged at one side of the shunt unit; and the temperature acquiring unit is connected with the scheduling unit.

The invention provides an Al-Zn-Mg-Cu alloy wire and arc additive manufacturing method. The manufacturing method comprises the following steps of (1) conducting arc additive forming through cooling and rolling assistance; (2) conducting milling on the side face and the top face of an additive material body; (3) conducting friction stir processing on the additive material body through friction stirprocessing equipment and conducting cooling and rolling on the sidewalls of the additive material body through a cooling and rolling device during friction stir processing; (4) conducting finish milling on the upper surface of the additive material body to make preparation for the next step of arc additive forming; and (5) cyclically repeating the above steps until final forming of a part is completed. Through the Al-Zn-Mg-Cu alloy wire and arc additive manufacturing method, dendritic growth and grain refinement in the Al-Zn-Mg-Cu alloy additive forming process can be completely abolished, and the deficiencies such as pores and cracks are effectively repaired; meanwhile, during the wire and arc additive manufacturing and modifying process, microstructure roughening caused by overheat of the additive material body is prevented through cooling, and the mechanical performance, especially plasticity and fatigue performance, of the additive material body is greatly improved.

The invention discloses a deoxidizing reaction device for oxygen-containing coalbed methane. The deoxidizing reaction device for the oxygen-containing coalbed methane mainly comprises a vertical heat transfer sleeve pipe deoxidizing reactor, a heat transfer temperature control system, a heat transfer medium circulating and control assembly and a heat exchange device, wherein a heat transfer medium distribution chamber and a reflux chamber are arranged at a deoxidizing top; a vertical sleeve pipe is formed by nesting an inner pipe and an outer pipe, and extends downwards into a catalyst bed layer until the vertical sleeve pipe reaches the bottom part of the bed layer, and a heat transfer medium in the distribution chamber can flow downwards into the inner pipe, and then flow upwards into the reflux chamber via the outer pipe; the heat transfer medium circulating and control assembly and the heat exchange device are arranged in the reflux chamber and/or at the exterior of the reactor. The deoxidizing reaction device has the advantages that the circulating heat transfer temperature control is performed by the vertical heat transfer sleeve pipe deoxidizing reactor and normal-pressure or a low-temperature heat conduction oil, molten salt, nitrogen, carbon dioxide or overheated water steam heat exchange medium with temperature approximate to the temperature of the catalyst bed layer, a reaction heat point is eliminated, the reaction is stable and controllable, the running is safe, and the reaction effect is good; the service life of the catalyst is long, and the catalyst can be easily discharged out of the bottom part of the reactor in a replacing process; when the sleeve pipe with a small number of leakage is blocked off, the influence to the bed layer temperature and the reaction effect is small.

The invention discloses a device for removing nitrogen oxides from hexanedioic acid tail gas. The device comprises a diluting unit, a first reaction unit and a second reaction unit, wherein the diluting unit comprises a gas-liquid separator, a compressed air diluting container and a first concentration online analyzer which are connected in sequence through a pipeline; the first reaction unit comprises a charging preheater, a heating device, a first reaction device and a gas/gas heat exchanger which are connected in sequence through a pipeline; the second reaction unit comprises a mixing system, a second concentration online analyzer, a second reaction device, a third concentration online analyzer and a heat recycling device which are connected in sequence through a pipeline; the tops of the first reaction device and the second reaction device are provided with a plurality of insertion type thermometers; each thermometer is provided with a plurality of temperature measuring points from top to bottom on a catalyst bed. By adopting the device, a catalyst can run stably for a long time in a high-temperature acid environment, the reaction activity of the catalyst bed is kept, the removing rate of nitrogen monoxide is 98 percent or more, and the removing rates of nitrogen dioxide and nitrogen monoxide are 95 percent or more.

The invention relates to a method for collecting and treating reaction gases from a production plant for molten metal. Substances used, containing metal, are introduced into a metallurgic container in a solid of liquid form and are converted under the effect of fuel and reaction substances and the hot, gaseous and dust-charged reaction gases discharged from the metallurgic container are partially guided into a primary dust-removing process and partially into a secondary dust-removing process in associated dust separating devices. In order to reliably remove dust in a short space of time from large and hot amounts of reaction gas with the smallest dimensioned dust-removing machine possible, the reaction gas which is guided to the secondary dust-removing process passes through a heat accumulator prior to the dust-removing process and the reaction gas which has a temperature which is higher than the wall temperature of the accumulator elements, releases heat to the heat accumulator. Said accumulated heat is re-discharged to subsequent reaction gases (or suctioned ambient air) having a temperature which is lower than the wall temperature of the accumulator elements.

The invention discloses a low-frequency, large-power underwater sound generator. The low-frequency, large-power underwater sound generator comprises a sound generator casing, wherein one side of the sound generator casing is open; a first vibrating diaphragm and a second vibrating diaphragm are arranged at the opening and closely connected with each other; the first vibrating diaphragm is arrangedon the outer side, and the second vibrating diaphragm is arranged on the inner side; a magnetic material is arranged in the sound generator casing; the outside of the magnetic material is enclosed bya first magnetically conductive material and a second magnetically conductive material; a gap, into which one end of a voice coil can be inserted, is formed between enclosing surfaces of the first magnetically conductive material and the second magnetically conductive material right opposite to the second vibrating diaphragm, and the other end of the voice coil is connected with the second vibrating diaphragm; gaps are formed between the end surfaces on both sides of the first vibrating diaphragm and the second vibrating diaphragm and open walls of the sound generator casing; and the end surfaces on both sides of the first vibrating diaphragm and the second vibrating diaphragm are connected with the open walls through flexible and soft connecting pieces. The underwater sound generator provided by the invention has the advantages that the structure is simple; and the pressure in the casing and the voice coil temperature can be monitored in a real-time manner, so that the voice coil temperature can be effectively reduced, and the service life of the voice coil can be further prolonged.

The invention discloses an engine protection plate of a maneuvering tumbrel, which comprises a protection plate body covering at the bottom part of an engine and a connecting part used for connecting the protection plate body at the bottom part of the engine, the protection body is in a slot-shaped structure covering at the bottom part of the engine, the front side of the protection plate body with the slot-shaped structure is provided with an air guide hole which is communicated with the inside and the outside of the slot, and the tail end of the protection plate with the slot-shaped structure is in smooth transition along the longitudinal direction. When in use, the engine protection plate disclosed by the invention is arranged at the bottom part of the engine, can pertinently protect the engine of the maneuvering tumbrel, so that mud and dust can be prevented from being attached on the bottom part of the engine, thus, the phenomenon that the engine is too hot and has electric corrosion can be avoided, the power property of the whole vehicle and the service life of the engine can be ensured, simultaneously, the external impact of broken stones and other hard things to the engine can be avoided, thus, the bottom part of the engine can be prevented from being damaged by outer force, and the use cost can be reduced.

The invention relates to a monitoring system and method for the heat transfer characteristic of a water wall tube of a utility boiler. The monitoring system and method are used for monitoring the temperature of different positions of all water walls of the boiler. The monitoring system comprises heat transfer characteristic monitoring device sets installed at different positions of the water walls of the boiler, a data collector, a data displayer and a furnace combustion control computer. Each heat transfer characteristic monitoring device on the water wall tube comprises at least three temperature measuring elements, wherein the temperature measuring elements are arranged at specific positions of the device respectively and used for measuring the temperature of the side facing fire and the side back to fire of the measured water wall tube and the temperature of a working medium. Through arrangement of the monitoring devices at different positions of the boiler, the heat transfer characteristic, including the temperature of the wall on the side facing fire and the wall on the side back to fire of the water wall tube and the temperature of the working medium in the water wall tube, of the water wall tube of the boiler can be monitored in real time, and change of a flame in the boiler along with change of the heat transfer characteristic of the water walls, change of the heat transfer characteristic of the working medium and change of the temperature distribution characteristic of metal materials of the water walls are convenient to grasp.

The invention belongs to the technical field of power equipment units, in particular discloses an isolating switch heating-preventing device composed of a shunt short jumper and 2-4 shunt wire fixing rings, wherein the two ends of the shunt short jumper are respectively provided with a lead wire clamp. By adopting the device, overheating of parts of a conducting loop of an isolating switch can be effectively avoided, and the temperature thereof is controlled to be within the range of normal operation, thus reducing frequency of power cut for repairing and improving power supply reliability, and the device has the advantages of low labour intensity, safety and reliability, simple structure as well as economy and practicability, and is rapid in mounting, convenient to use, easy to implement.

The invention discloses a medical sealing machine provided with a bidirectional operation handle. The medical sealing machine is characterized in that the upper ends of driven rods of the machine are connected to a press bar, shaft holes are horizontally formed in the lower ends of the driven rods, a drive rod is rotationally arranged in the shaft holes in a sleeving manner, and bilaterally symmetrical crow plates are fixed radially on the drive rod and below a heating groove; a left protective plate and a right protective plate are screwed and fixed at two ends of a sealing machine main body respectively, a left guide groove and a right guide groove which are corresponding in position are formed in the left protective plate and the right protective plate respectively, two ends of the drive rod are arranged in the left guide groove and the right guide groove respectively, the longitudinal length of each of the left guide groove and the right guide groove is larger than the stroke length between the press bar and a heating assembly, the handle is mounted at one end of the drive rod and on the outer side of the right protective plate, springs are coaxially fixed at the lower ends of the driven rods, and the lower ends of the springs are fixed on a housing; and a guide rail is arranged in parallel above the press bar and glidingly provided with a slide tool. When the machine is used, all that is required is to pull the handle forwards or backwards to the limit so as to press the press bar to the heating assembly, the press bar can be separated from the heating assembly rapidly after the handle is released, and overburning and sealing failure are prevented.

The invention discloses a spiral extrusion granulation device for gellan gum production. The device comprises a hopper, a cylinder with the opened front end, a motor, a spiral shaft and a granulation mechanism; the rotatable spiral shaft is arranged at the rear end of the cylinder, the spiral shaft is located in the cylinder, a rotating shaft of the motor is fixedly connected with the rear end of the spiral shaft, the hopper is arranged on the upper portion of the rear end of the cylinder, the granulation mechanism is arranged at the front end of the cylinder and comprises a hole plate, a mounting frame, a speed adjusting motor and a cutting-off mechanism, the hole plate and the mounting frame are fixedly mounted at the front end of the cylinder through a bolt pair, the hole plate is arranged between the mounting frame and the front end of the cylinder, the speed adjusting motor is arranged at the front end of the mounting frame, and the cutting-off mechanism used for cutting off materials extruded out of the hole plate is arranged on a rotating shaft of the speed adjusting motor. Compared with the prior art, the granulation uniformity is good, the subsequent drying yield is improved, and pasty materials due to the too high temperature are avoided.

The invention discloses a stacked module heat radiation structure and a manufacturing method thereof. Second tin balls are welded on the lower surface of a lower packaging substrate. A third chip is fixed at the middle position of the upper surface of the lower packaging substrate. An upper packaging substrate is arranged above the lower packaging substrate. The middle position of the upper packaging substrate is provided with a window. First tin balls are welded on the lower surface of the upper packaging substrate. The first tin balls contact with the upper surface of the lower packaging substrate. The upper surface of the upper packaging substrate is provided with a plastic sealing member. A first chip is fixed on the upper surface of the upper packaging substrate at an inner position which corresponds with the plastic sealing member through first sealing glue. The projection of the base of a heat radiating plate penetrates through the window of the upper packaging substrate and is fixed with the upper surface of the third chip. According to the stacked module heat radiation structure, thermal resistance is reduced through the heat radiating plate structure, and a problem of overhigh temperature of the PoP can be effectively prevented.

The invention provides a duplex deaerator capable of preventing catalyst damages and even explosion danger due to the phenomenon of temperature runaway of a catalyst bed layer. The duplex deaerator comprises a shell, wherein a tube pass through which oxygen-containing hydrogen can pass and a shell pass through which heat exchanging media can pass are arranged in the shell; the tube pass is not communicated with the shell pass; and a deoxidization catalyst is arranged in the tube pass.