5514 results about "Heater Rod" patented technology

The invention discloses a heat dissipation performance detection device for a heat dissipation module, and belongs to the technical field of heat dissipation module detection. The device mainly comprises a detection rack which is provided with a detection table; a detection box; a lapping plate is mounted on the supporting table; a first mounting seat is connected between the two groups of supporting columns, a bracket plate is mounted on the first mounting seat, and a heating rod is mounted on the bracket plate; a first temperature sensor; a fan is mounted on the housing, and a second temperature sensor is inserted into the side surface of the detection box; the bottom plate is provided with four groups of supporting columns, and insertion pieces are placed on the bottom plate; and multiple groups of first cylinders. According to the heat dissipation performance detection device for the heat dissipation module, through the arrangement of the detection box, the lapping plate, the heating rod, the first temperature sensor, the fan, the second temperature sensor, the first air cylinder, the bottom plate, the insertion piece and the right-angle frame, the heat dissipation performance of the heat dissipation module can be detected in multiple modes, so that the accuracy of a detection result is improved.

The invention discloses fine-grain high-cleanliness steel for a harmonic reducer flexible gear of an industrial robot and a preparation method, and belongs to the technical field of metallurgy. The steel for the flexible gear comprises the following chemical components in percentage by mass: 0.38 to 0.42 percent of C, 0.20 to 0.30 percent of Si, 0.60 to 0.90 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.010 percent of S, 0.60 to 0.90 percent of Cr, 0.15 to 0.25 percent of Mo, 1.50 to 1.80 percent of Ni, 0.015 to 0.035 percent of Nb, less than or equal to 0.0006 percent of O and the balance of iron and inevitable impurity elements. The production method comprises the working procedures of vacuum induction furnace smelting, electroslag remelting, casting blank forging, bar heating, bar rolling and rolled material cooling. The steel for the flexible gear has fine austenite grains and high cleanliness, and the technical requirements of the steel for the harmonic reducer flexible gear of the industrial robot are met.

Exemplary semiconductor processing chambers may include a chamber body. The chambers may include a showerhead positioned atop the body. The chambers may include an electrostatic chuck assembly disposed within the body. The assembly may include a puck that may include a first plate including an electrically insulating material and that defines a substrate support surface. The puck may include a multi-zone heating assembly thermally coupled with the first plate. The puck may include bipolar electrodes. The puck may include a second plate that defines cooling channels. The assembly may include an insulator beneath the second plate. The assembly may include a base plate beneath the insulator. The assembly may include a shaft that may include a heater rod coupled with the heating assembly. The shaft may include a cooling fluid lumen fluidly coupled with the cooling channels. The shaft may include a power rod electrically coupled with a bipolar electrode.

The utility model discloses an energy-saving shoe material hot-pressing forming machine which comprises a protective frame, a hot-pressing body fixedly connected to the bottom of the protective frame, an operating mechanism fixedly connected to the front face of the hot-pressing body, a lower hot-pressing plate fixedly connected to the top of the hot-pressing body, a top seat fixedly connected to the top of the inner side of the protective frame, and a hydraulic rod fixedly connected to the top of the top seat. An upper hot pressing plate is fixedly connected to the bottom end of the hydraulic rod, an upper heating rod is fixedly connected to the front face of the upper hot pressing plate in a penetrating mode, a hot pressing mold is fixedly connected to the bottom of the upper hot pressing plate, sliding blocks are fixedly connected to the two sides of the upper hot pressing plate, and an infrared transmitter and an infrared receiver are fixedly connected to the inner wall of the inner side of the protection frame; according to the hot-pressing forming machine, a heating part can be heated to the required temperature as soon as possible, heat waste is avoided, energy conservation is facilitated, and the safety of the hot-pressing forming machine is improved through the arranged protective frame, the infrared transmitter and the infrared receiver.

The invention relates to the technical field of frozen soil collection, and discloses a plateau frozen soil sample collection device which comprises a mounting table, a sampling outer cylinder is arranged below the mounting table, a heating cavity is formed in the sampling outer cylinder, and electric heating rods are fixedly mounted on the two sides of the top of the sampling outer cylinder; and the heating end of the electric heating rod extends into the heating cavity. When frozen soil is collected and sampled through rotation of the sampling outer cylinder and the sampling inner cylinder, an anti-freezing solution in the heating cavity can be heated through the electric heating rod, and heat is dissipated to the outside through the sampling outer cylinder, so that ice crystals in the frozen soil outside the sampling outer cylinder are melted, and the sampling cylinder can quickly penetrate through a frozen soil layer; and meanwhile, the anti-freezing solution in the water storage tank is circularly pumped into the cooling cavity in the sampling inner barrel to cool the sampling inner barrel, so that the situation that heat is generated due to friction between the sampling inner barrel and the sampled frozen soil is reduced, the original state of the frozen soil sample can be kept, and the sampling accuracy is ensured.

The invention discloses an energy-saving heating device, and relates to the technical field of energy-saving heating, the energy-saving heating device comprises a box body, the front side surface of the box body is rotatably connected with two blocking doors, the bottom of the inner wall of the box body is fixedly connected with a heat preservation layer, and the inner wall of the heat preservation layer is fixedly connected with a buffer heat preservation box; a heating rod is fixedly connected to the bottom of the inner wall of the buffer heat preservation box, a water outlet pipe is fixedly connected to the left side of the top of the heat preservation layer, a water stop valve is fixedly connected to the upper end of the water outlet pipe, a water inlet pipe is fixedly connected to the right end of the top of the heat preservation layer, and an instant water heater is fixedly connected to the upper end of the water inlet pipe. According to the energy-saving heating device, the arranged circulating pump can increase the water pressure in the water outlet pipe, the water pump is used in cooperation, hot water is forced to flow through the water outlet pipe at a higher speed, meanwhile, the multiple booster pumps are arranged in each floor, and when hot water of a certain floor cannot reach the floor, the booster pumps can provide larger power for water.

The utility model discloses a laser welding device with a shielding gas heating function, which comprises a laser welding module, a shielding gas heating module is arranged on one side of the laser welding module, the shielding gas heating module comprises a cavity, the cavity is provided with a gas inlet and a gas outlet, a heating rod is arranged in the cavity, and the shielding gas heating module is arranged in the cavity. The air outlet is connected with an air supply pipe, and an outlet of the air supply pipe is arranged below a laser vibration mirror of the laser welding module. According to the utility model, nitrogen reaching a working procedure can be heated in advance, so that the consistency of the temperature of protective gas is ensured; and meanwhile, the shielding gas heating device has a temperature adjustable and controllable function, and the optimal temperature of the shielding gas can be confirmed by discussing the influence of the shielding gas at different temperatures on gas holes and cracks after welding, so that the cooling speed after welding is slowed down, the gas escapes from a molten pool, the probability of generating the welding cracks and the gas holes is reduced, and the welding quality is improved.

The middle tire surface glue brushing device for basketball processing comprises a base, a mounting support, an electric sliding rail, a sliding block, a clamping device and a glue solution box, the mounting support is fixedly connected to the top of the base, the electric sliding rail is fixedly connected to the top of the mounting support, the sliding block is in transmission connection to the surface of the electric sliding rail, and the clamping device is arranged on the surface of the electric sliding rail. The clamping device is fixedly connected to the bottom of the sliding block, the glue solution box is fixedly connected to the front side of the top of the base, a rotating motor is fixedly connected to the rear side of the top of the base, and a rotating disc is fixedly connected to the output end of the rotating motor. By arranging the heating rod, the rotating disc can drive the heating rod to rotate and heat the surface of a basketball middle tire, and the problem that a drying structure is not arranged in the using process, so that a dry glue solution on the surface of the basketball middle tire still has certain flowability and flows downwards is solved; therefore, the uniformity of the glue solution on the surface of the basketball middle tire is influenced, and certain limitation exists.

A hydrostatic gas bearing with humidity removed by electrical heating. The hydrostatic gas bearing includes a bearing seat, a rotary shaft, an annular throttling component, and a plurality of heating rods. A cavity is provided inside the bearing seat and an inlet pipe is provided on an outer surface of the bearing seat that communicates with the cavity. The annular throttling component is sleeved on the outside of the rotary shaft, with a first gap provided between the annular throttling component and the rotary shaft. The annular throttling component is configured to throttle and cool a medium. A plurality of heating rods are provided in the annular throttling component, arranged circularly along a circumference of the annular throttling component, and configured to heat and vaporize a part in liquid phase in a cooled medium.

The invention relates to the technical field of annealing furnaces, in particular to an annealing furnace heating system which comprises a furnace body, an air blower arranged at the top of the furnace body and used for exhausting and sucking air and a heating bin used for heating air in the furnace body. The top of the furnace body is further provided with an air compression mechanism used for making air in the furnace body circularly flow, the air compression mechanism communicates with the interior of the heating bin through a pipeline, the bottom in the heating bin is connected with an air outlet pipe, and the end, away from the heating bin, of the air outlet pipe is connected to the top end in the heating bin. And the compression pipe is connected with a plurality of air inlet pipes which are transversely arranged side by side at the bottom of the furnace body, and the other end of the compression pipe communicates with the input end of the air compression mechanism. The heating system of the annealing furnace is improved, so that hot air in the annealing furnace is uniformly distributed, a workpiece is uniformly annealed, and the physical performance of the annealed workpiece is improved.

The invention relates to the technical field of artificial leech breeding, in particular to an automatic artificial leech breeding system and a breeding method thereof.The automatic artificial leech breeding system comprises a plurality of filters arranged side by side, a temperature control box and an acid-base adjusting box; the water inlet ends and the water outlet ends of the filter, the temperature control box and the acid-base adjusting box are connected through water pipes; a plurality of breeding boxes are further included, breeding trays are placed in the bottoms of the breeding boxes, and feeding devices for discharging food to the food troughs are arranged in the breeding boxes. The water temperature is maintained at 25-26 DEG C by electrifying a heating rod and a temperature sensor in a temperature control box, then a water pump installed in the temperature control box is started to pump and drain water into an acid-base adjusting box, and glacial acetic acid is added to adjust the pH value to 6.5-6.8; propagation and proliferation of the leeches are promoted through proper temperature and humidity and sufficient food. The evenly-stacked spherical blood casings are unloaded through the feeding device, it is guaranteed that the leeches are evenly fed, and a good feeding environment is provided.

The invention discloses a degreasing furnace which comprises a furnace body, an air outlet assembly, an air duct, a heating assembly and a condensing device. The air ducts are arranged on the left side and the right side of the furnace cavity correspondingly, the multiple vertically-arranged partition plates are arranged in the air ducts and divide the air ducts into the multiple airflow channels, and the flow guide plates and the third air outlet pipes are arranged in the airflow channels correspondingly, so that airflow distribution is more uniform. The heating assembly comprises a plurality of pluggable electric heating rods, airflow is evenly heated, and the temperature uniformity in the furnace cavity is improved. The condensing device performs filtering impurity removal and condensing oil removal on the waste gas through the filtering assembly and the condensing assembly, and the condensing assembly adopts a drawable design and is convenient to clean and maintain. The pressing plate is automatically limited through the transmission mechanism, the filtering assembly and the condensation assembly are prevented from being pulled out due to misoperation in the working process, and the operation safety of equipment is guaranteed. By optimizing air flow distribution and a condensation filtering structure, the degreasing efficiency and the product quality are effectively improved, and meanwhile, the device is convenient to maintain, safe and reliable.

The invention discloses a hydrothermal coupling model test system and a hydrothermal coupling model test method for simulating a liquid nitrogen frozen stratum in different seepage environments. The system and the method are used for experimental research of a multi-physical field coupling effect of a test object in a large-seepage liquid nitrogen frozen stratum. The model test system comprises a liquid nitrogen freezing system, a flowing water seepage circulation system and a monitoring system, the liquid nitrogen freezing system is used for controlling the temperature of a liquid nitrogen freezing pipe embedded in a sand layer by changing the liquid nitrogen flow, so that the test sand layer is quickly frozen; the flowing water seepage circulation system simulates different underground water seepage speeds through a pressure pump, and the temperature of test water is kept constant through a heating rod. The monitoring system is used for recording the change trend of the temperature field and the seepage field in the liquid nitrogen stratum freezing process. According to the device, the ultra-low temperature effect of the liquid nitrogen is utilized to perform top-speed freezing on the sand layer under the high-flow-speed seepage environment, so that the freezing curtain can be effectively closed, and the evolution law of a large-seepage-flow stratum liquid nitrogen artificial freezing temperature field and a seepage field is obtained by simulating the liquid nitrogen stratum freezing process under different seepage environments; and a basis is provided for manual liquid nitrogen freezing construction of the large-seepage stratum.

The utility model discloses a hairdressing device with a replaceable head, which comprises a handle main body, a first hairdressing component and a second hairdressing component, the second hairdressing component comprises a mounting plate and comb teeth, a fan is arranged in the handle main body, the hairdressing device further comprises a first replacement head and a second replacement head, the first hairdressing component is arranged on the first replacement head, and the second hairdressing component is arranged on the second replacement head. When the first replacement head is detached, the second replacement head can be assembled to the handle body, when the second replacement head is detached, the first replacement head can be assembled to the handle body so that the heating rod can be electrically connected, and through the first replacement head and the second replacement head, perm can be achieved, and the heating rod can also be assembled to the handle body. The hair can be straightened or shaped by cold air, the hair can be prevented from being clamped, the hair is more stable during perming, and the practicability is higher.

The utility model relates to the technical field of rare earth manufacturing, in particular to a fluorination furnace heating device for rare earth metal treatment, which comprises a fluorination furnace body and a sampling mechanism, a plurality of heating rods are arranged in the fluorination furnace body and are used for heating rare earth in the fluorination furnace body; the sampling mechanism is arranged on one side of the fluorination furnace body and is used for sampling and inspecting rare earth in the fluorination furnace body; the sampling mechanism comprises a sliding groove, a strip-shaped sliding block, a first flowing groove, a second flowing groove and a sampling pipe; the sliding groove is formed in the inner wall of the fluorination furnace body, the strip-shaped sliding block is slidably connected to the interior of the sliding groove, and rare earth at different depths in the fluorination furnace body can be sampled at the same time through mutual cooperation of components in the sampling mechanism; and the processing heating process of each area in the fluorination furnace body can be known by testing and comparing the rare earth, so that the heating degree of the device can be monitored more accurately.

The invention relates to the technical field of petroleum well logging, and discloses a fusing type releasing device and method for a well logging headstall, a split brake block is arranged in a second cavity of a lower connector and an outer shell, a heating rod is arranged on the split brake block in a surrounding mode, and the surface of the split brake block is wrapped with a fusing protection layer; the heating rod is attached to the fusing protection layer, the driving end of the high-voltage connector is connected with the power supply end of the heating rod through the lower connector, the heating rod is driven to heat and fuse the fusing protection layer, and after the fusing protection layer is fused, the split braking blocks are separated. The elastic ejector rod assembly abutting against the split brake block integrally moves towards the side of the split brake block, the brake hook is separated from the outer shell, headstall release is achieved, the whole operation can be completed only by opening the high-voltage connector, the operation process is simple, and unified treatment can be conducted on different cables and well depths.

The utility model provides a high-temperature charging barrel of a die-casting die, which comprises a charging barrel and a plurality of cooling water channels, the cooling water channels are arranged along the axial direction of the charging barrel, the cooling water channels are arranged in the lower half side wall of the charging barrel, a plurality of heating rods are arranged in the upper half side wall of the charging barrel, and the heating rods are distributed in the circumferential direction; the heating rod is arranged along the axial direction of the charging barrel; each heating rod is connected with a cable; and a thermocouple is arranged on the outer side wall of the charging barrel. The utility model ensures that the charging barrel pressure chamber is uniformly heated, so that axial cracks at the bottom of the pressure chamber sprue, interference between the charging barrel pressure chamber and the punch are reduced, strain of the pressure chamber is reduced, the service lives of the pressure chamber and the punch are prolonged, the production cost is saved, the flowability and feeding capacity of molten metal in the cavity are improved, and the mechanical property fluctuation of a casting is reduced; and low material temperature can be used for filling, and the risk of insufficient molten metal casting due to cold shut is reduced.

The invention relates to the technical field of soil remediation, and discloses a garden soil pollution remediation device which comprises a supporting seat, the top of the supporting seat is fixedly connected with a material tank, the inner wall of the supporting seat is fixedly connected with a motor, the top of the supporting seat is fixedly connected with a waste gas tank, a heating mechanism is arranged in the material tank, and a stirring mechanism is arranged in the material tank. A cleaning mechanism is arranged in the material tank, a heating rod and a heat conduction circular ring move up and down in a reciprocating mode, soil at different depths in the material tank can be heated, the soil in the material tank is evenly heated, the heating speed of the soil is increased, the soil temperature can be increased through soil heating, and therefore dissolving and releasing of some heavy metal in the soil are accelerated; the remediation efficiency of the device on the contaminated soil can be improved, and the soil remediation cost of the device can be saved through indirect outflow of the catalyst.

The invention relates to the technical field of hot riveting, and discloses split type hot riveting head modular hot riveting equipment which comprises an upper tool, a lower tool, a heating body arranged at the bottom of the upper tool, a plurality of hot riveting heads arranged at the bottom of the heating body in a linear array mode and a product arranged at the top of the lower tool. The two sets of detachable heating rods are arranged on the two sides of the heating body respectively, the three sets of thermocouples are arranged at the bottom of one side of the heating body, and the heat conduction unit is arranged on the hot riveting head. The heat conduction assembly, the reset assembly and the overturning assembly form a closed-loop action, a heat conduction plate preheats a metal sheet through a heat conduction ring, and infirm connection and deformation caused by temperature difference are avoided. Due to small deflection and overturning separation during hot riveting, heat interference and flash adhesion are avoided; after hot riveting, the material is reset and pushed to be stripped, pull wires are prevented from being pulled up, and a hot riveting head can be surrounded for heat preservation. The whole process does not need extra driving, product quality is guaranteed, takt time is shortened, and automation efficiency is improved.

The utility model provides a traditional Chinese medicine particle grading drying device which comprises a drying box, a bottom plate and a plurality of sieve plates are fixed in the drying box, a rotating shaft is arranged in the drying box in a running fit mode, a plurality of scraping rods and a plurality of heating rods are fixed on the peripheral side of the rotating shaft, and a plurality of teeth are fixed on the scraping rods. A plurality of air inlets, a plurality of air outlets and a plurality of discharging ports are formed in the side face of the drying box, and the bottom of the drying box is rotationally connected with a supporting structure. According to the traditional Chinese medicine particle drying device, the rotating shaft is rotationally installed in the drying box, the scraping rods and the heating rods are installed on the peripheral side of the rotating shaft, traditional Chinese medicine particles can be spread out through teeth on the scraping rods and can be turned over during drying, the heating rods can be rotated, it is guaranteed that drying is uniform, and the drying efficiency is improved; traditional Chinese medicine particles can be dried in a graded mode, traditional Chinese medicine particles of different sizes are prevented from being agglomerated together, and the drying effect is improved.

The invention discloses a single-rod CHF test device and method, and belongs to the field of thermal hydraulic tests. The single-rod CHF test device comprises a heating rod, a thermal insulation pipe and a fixed grillwork, the heating rod coaxially penetrates through the thermal insulation pipe and is radially limited by the fixed grillwork, a cooling medium is filled between the thermal insulation pipe and the heating rod, the diameter d of the heating rod and the inner diameter D of the thermal insulation pipe meet Dh = De = (D2-d2) / d, Dh is the thermal diameter corresponding to a simulated fuel rod, and De is the thermal diameter corresponding to the simulated fuel rod. De is the hydraulic diameter corresponding to the simulated fuel rod. According to the device, the thermal hydraulic characteristics of the full-length rod bundle fuel can be accurately simulated through the single heating rod, the cost of a CHF test is effectively reduced, and the test efficiency is improved.

The invention relates to the technical field of bread fermentation, and provides a low-temperature energy-saving fermentation device for bread processing, which comprises a fermentation box and a fermentation box, and is characterized in that rotating mechanisms are mounted on two sides of the fermentation box, a turnover mechanism is arranged at the top of the fermentation box, fermentation boxes are respectively arranged on the rotating mechanisms and the turnover mechanism, and the fermentation boxes are arranged in the fermentation box. A fermentation box on the turnover mechanism is used for standby application, a water spraying device and a heating rod are installed in the fermentation box, and a waste tank is slidably connected to the bottom of the fermentation box; the water sprayer is used for pressurizing and spraying water mist on the fermentation box, so that the humidity is uniformly increased, meanwhile, air in the fermentation box is heated through the heating rod, and the fermentation box rotates in the fermentation box through the star-shaped frame I and the star-shaped frame II, so that low-temperature moisture in the fermentation box can be more uniformly mixed; after fermentation for a certain time, the dough in the fermentation box is regularly extruded, deflated and turned over, so that the bottom of the dough can be in full contact with low-temperature moisture, and the fermentation effect is improved.

The invention discloses a sulfuric acid decomposition reactor, which comprises a metal inner shell filled with a heat conduction material layer; a heated part of the heat exchange type reaction assembly is inserted into the metal inner shell and is wrapped by the heat conduction material layer; and the heating end of the electric heating rod is inserted into the metal inner shell and is wrapped by the heat conduction material layer. The electric heating rod is used for heating, uniform temperature in the metal inner shell is guaranteed through the heat conduction material layer, a high-temperature gas loop is not needed, equipment operation and manufacturing are simplified, the requirement for sealing performance is lowered, equipment reliability is improved, temperature distribution in the metal inner shell is improved through the use of the heat conduction material layer, and the service life of the equipment is prolonged. And the decomposition efficiency is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a thoracic surgery anti-clogging nursing drainage device which comprises a drainage bottle fixedly connected with a drainage tube. The rolling mechanism is arranged outside the drainage tube and is used for assisting drainage and reducing blockage; the heating mechanism is arranged in the rolling mechanism and used for heating to reduce blockage, the heating mechanism comprises a plurality of heating rods, and the heating rods are arranged in the pressing roller in a penetrating mode; and the limiting mechanism is arranged on the shell and is used for fixing the position of the shell on the drainage tube. Liquid in the drainage tube can be pushed to move through extrusion of the pressing roller of the rolling mechanism, drainage is assisted, blockage is reduced, the liquid in the drainage tube can be heated through the heating rod of the heating mechanism, and the situation that the drainage tube is blocked due to the fact that blood clots are formed in the drainage liquid when the temperature is low is reduced.

The utility model relates to an efficient heating device for plastic pipe extrusion molding, which comprises a heating pipe and a cooling liquid tank, an auger is arranged in the heating pipe, a mounting rack A is mounted on the outer surface of the heating pipe, a motor is mounted on the mounting rack A, an output shaft of the motor is connected with the auger, and a feeding pipe is connected to the outer surface of the heating pipe. A heating bin is mounted at the top of the feeding pipe, and a feeding hopper is connected to the outer surface of the heating bin; a stirring shaft is arranged in the heating bin, a plurality of heating rods are mounted on the outer surface of the stirring shaft, and a transmission mechanism capable of driving the stirring shaft to rotate is arranged between an output shaft of the motor and the stirring shaft. Plastic materials enter the heating bin through the feeding hopper and are preheated through the heating rod, so that the temperature of the plastic materials is increased, and the plastic materials are softened, and after the plastic materials enter the heating pipe, the fluidity of the plastic materials can be improved, the plastic materials can be conveniently conveyed in the heating pipe, and the conditions that the torque and load of a motor are increased and blockage is caused are avoided.

The utility model discloses a high-temperature pretreatment device for waste incineration flue gas, and relates to the technical field of waste incineration equipment, the high-temperature pretreatment device for waste incineration flue gas comprises a high-temperature pretreatment machine box and an inner box body, a switchable heating device is installed in the inner box body, the switchable heating device comprises a connecting seat and a drawing frame, the connecting base is fastened to the inner wall of a left side panel of the inner box body through bolts, the drawing frame is slidably connected to the inner wall of a right side panel of the inner box body, a first connecting assembly is installed on the surface of the connecting base, a second connecting assembly is installed on the surface of the side, close to the connecting base, of the drawing frame, and a switching mechanism is installed in the drawing frame. According to the device, the positions of the upper heating rod and the lower heating rod are changed through the switching mechanism, so that the connection state of the upper heating rod and the lower heating rod with the electric heating power connection column is changed, uninterrupted normal operation of equipment during use is ensured, the working efficiency is ensured to be unchanged, and the use effect is good.

The invention relates to a high-performance non-quenched and tempered steel bar for a fan shaft and a manufacturing method of the high-performance non-quenched and tempered steel bar, and belongs to the field of iron-based alloys. The steel comprises the following chemical components in percentage by weight: 0.37 to 0.43 percent of C, 0.30 to 0.60 percent of Si, 1.20 to 1.70 percent of Mn, less than or equal to 0.025 percent of P, 0.030 to 0.070 percent of S, less than or equal to 0.50 percent of Cr, 0.10 to 0.30 percent of Ni, less than or equal to 0.30 percent of Mo, less than or equal to 0.30 percent of Cu, 0.010 to 0.030 percent of Al, 0.005 to 0.025 percent of Ti, 0.05 to 0.15 percent of V, 0.0100 to 0.0200 percent of N, less than or equal to 0.0002 percent of H, less than or equal to 0.0015 percent of O and the balance of Fe and inevitable impurity elements. The manufacturing process comprises the steps of converter / electric furnace smelting, LF furnace refining, RH / VD furnace vacuum degassing, continuous casting, casting blank reheating, cogging rolling, flame cleaning, intermediate blank finishing, intermediate blank heating, bar rolling, cooling and stress relief tempering. The total cross-section structure of the bar is a ferrite and pearlite structure. The bending degree per meter is smaller than or equal to 0.5 mm, the surface defect depth is smaller than or equal to 0.10 mm, and the internal quality meets the A-level requirement of the GB / T4162 standard.

The utility model discloses a seed screening and drying device for forestry planting and relates to the technical field of seed screening. Comprising a seed conveying mechanism, the seed conveying mechanism is connected with a pneumatic conveying device to convey seeds, a stirring device is arranged in the seed conveying mechanism, the stirring device stirs the seeds to enable the seeds to be separated from impurities, the impurities are blown to be separated by air flow, and a heating mechanism is further installed on the seed conveying mechanism. Seeds entering from a discharging pipe are conveyed into a screening barrel through pneumatic conveying equipment, when the pneumatic conveying equipment blows out airflow, heat generated by a heating rod can be driven to synchronously enter the screening barrel to dry the seeds, and in the drying process, the airflow continues to be supplied into the screening barrel; as the seeds are driven by the stirring blades, light impurities in the seeds float upwards and are discharged through a waste outlet, and moisture is also discharged accordingly, so that the effects that the seeds are dried while being screened, and the screening efficiency is improved are achieved.

The invention discloses a blood sampling heat preservation device for animal epidemic disease detection, which comprises a storage box, a heat preservation cavity is arranged in the storage box, a plurality of groups of heating rods are arranged in the heat preservation cavity, an annular conveying belt is arranged in the heat preservation cavity, a plurality of groups of bottle placing seats which are arrayed at equal intervals are arranged on the annular conveying belt, and the bottle placing seats are rotatably connected with the annular conveying belt; sampling bottles are placed in the multiple sets of bottle placing bases, taking and placing holes matched with the sampling bottles are formed in the upper portion of the heat preservation cavity, and sealing plates hinged to the inner walls of the taking and placing holes are installed in the taking and placing holes. The device has the beneficial effects that a second gear at the power output end of a motor is matched with a first gear to drive a bottle placement seat to rotate so as to drive a sampling bottle to rotate, so that sampled blood in the sampling bottle is fully mixed with an anticoagulant, and meanwhile, the sampling bottle is in a heat preservation environment in a heat preservation cavity in the whole process of rotation; blood in the sampling bottle is prevented from going bad when being cooled to influence a subsequent detection result.

The utility model discloses a salt lake brine concentration device which comprises a brine pond, the right end of the brine pond is communicated with a water pump, and when brine is concentrated through the device, brine in the brine pond is pumped through the water pump and filtered through a filter screen through an electric heating rod, a copper pipe, the water pump, a water outlet cover, a fixed pipe and an impeller. The brine is sprayed to the copper pipe through the water pipe and the water outlet cover, the copper pipe is heated through the electric heating pipe at the moment, the brine can be continuously evaporated and concentrated when being sprayed to the heated copper pipe, then the double-shaft motor is matched to drive the impeller to rotate, evaporated water vapor is pulled out through the fixing pipe, and the concentrated brine can be rapidly obtained. The brine is continuously evaporated and concentrated through the heated copper pipe, and the brine in the brine pond is evaporated in cooperation with the sun, so that the production period is shortened, the production efficiency is improved, the dependence on weather is reduced, the yield of the brine is conveniently controlled, and the production requirement can be well met.