58results about How to "Uniform fluidity" patented technology

The present invention discloses a mushroom intelligent cold and warm square cabin with circulation and humidity control, which relates to the field of mushroom cultivation, and includes a cabin, a cabin door, a temperature control unit and a cold and hot pipe, wherein the cabin door is installed on the front side of the cabin, and the outer side of the cabin is provided with a temperature control unit, and the interior of the cabin is provided with a cold and hot pipe to control the temperature inside the cabin, and the interior of the cabin is provided with an atomizing humidifying pipe, and the left end of the atomizing humidifying pipe is connected with a first movable disk, and the first movable disk is located inside the cabin, and the middle part of the first movable disk is penetrated with a first support column, and a rotation connection is formed between the first movable disk and the first support column. The mushroom intelligent cold and warm square cabin with circulation and humidity control sets up the bottom of the cabin by setting a bottom support frame, which is convenient for the subsequent circulation of air at the bottom of the mushrooms, and at the same time, an opening is set on the side of the support frame to provide a moving channel for the atomizing humidifying pipe and the circulation extraction pipe, so that they can move evenly in the cabin.

The invention discloses a grooved belt pulley casting mold and a casting method thereof, and relates to the technical field of belt pulley casting. Comprising a bottom plate, a lower template is fixedly arranged in the middle of the top surface of the bottom plate, and an upper template is arranged above the lower template; the left side and the right side of the lower die plate are provided with a pair of semicircular die plates, and the upper die plate, the lower die plate and the pair of semicircular die plates are mutually closed to form a grooved belt pulley casting cavity. The upper mold plate, the lower mold plate and the pair of semicircular mold plates are arranged to be mutually closed to form the grooved belt pulley casting cavity, the combined mold plate is provided, the combined mold plate is more convenient to mount, dismount, clean and the like, and the combined mold plate is matched with a servo motor, a connecting rod assembly and other components, so that the production efficiency is improved. The upper mold plate, the lower mold plate and the pair of semicircular mold plates can be mutually closed or separated, so that casting and demolding of the belt pulley with the groove are automatically completed, the operation is simple, and the labor cost is low.

According to the sectional material group stretch-bending forming die and method based on the stretching arm type stretch-bending machine tool, through the combination mode of different parts and the combination of basic technical parameters of stretch-bending machine tool machining, the overall stretch-bending forming die is designed and constructed, and the technological method for multi-project sectional material group stretch-bending forming is achieved for the first time. The forming limitation different from traditional single part forming is adopted, the machine tool forming limit is utilized, parts which cannot be formed through a stretch-bending machine are combined to form a long blank, and the stretch-bending forming technology is achieved. According to the method, the reasonable stretch-bending forming die and the reasonable technological blank length are designed, parts such as bending parts, Yao machine forming parts and manual forming parts which cannot be subjected to stretch-bending forming can be formed in a stretch-bending forming mode, the internal pressure stress of the parts is converted into the tensile stress, the mobility of materials in the part forming process is balanced, and the forming quality of the parts is improved. And part forming springback is effectively reduced.

The utility model relates to the technical field of transformer accessories, in particular to a self-cooling type special transformer heat dissipation assembly which comprises a self-cooling type special transformer, a self-cooling box is installed at the bottom of the special transformer, and a liquid conveying pipe is installed at the top of the special transformer. And a plurality of groups of square-ring-shaped cooling coils which are uniformly arranged at equal intervals are mounted on the outer wall of the special transformer. According to the special transformer, the liquid conveying pipe at the top of the special transformer and the branch pipes communicated with the liquid conveying pipe are arranged, cooling liquid in the self-cooling box can be conveyed into the cooling coil on the outer wall of the special transformer, uniform distribution and flowing of the cooling liquid are achieved, and the cooling effect is enhanced. According to the special transformer, the contact area between the special transformer and air is increased and the heat dissipation efficiency is improved through the heat dissipation fins which are evenly arranged on the outer wall of the special transformer at equal intervals, and the cooling coil is arranged in the gaps between the heat dissipation fins, so that cooling liquid can fully absorb heat on the heat dissipation fins in the flowing process.

The invention belongs to the technical field of metal pipe machining, and particularly relates to a preparation method of a large-size high-purity molybdenum-rhenium alloy pipe. According to the method, the large-size high-purity molybdenum-rhenium alloy pipe is prepared through the steps of (1) molybdenum-rhenium alloy ingot blank high-purity preparation, (2) surface turning, (3) molybdenum-rhenium alloy pipe blank high-speed near-isothermal extrusion, (4) high-temperature spinning forming, (5) recrystallization annealing treatment, (6) surface finish machining treatment and the like. According to the large-size molybdenum-rhenium alloy pipe prepared through the method, the mode of controlling the electron beam scanning track is adopted, the electron beam power during raw material melting and refining is reasonably distributed, the ingot casting specification of molybdenum-rhenium alloy is improved, a high-purity ingot blank is obtained, the mode of combining high-speed near-isothermal extrusion and high-temperature spinning is adopted, and the large-size molybdenum-rhenium alloy pipe is obtained. And the deformation uniformity of the molybdenum-rhenium alloy pipe is improved, the comprehensive performance of the molybdenum-rhenium alloy pipe is improved, and good application prospects and economic benefits are achieved.

The invention relates to the technical field of silicon rubber, in particular to a high-temperature-resistant and impact-resistant silicon foam material as well as a preparation method and application thereof. Comprising the following raw materials in parts by weight: 20-30 parts of vinyl silicone oil, 5-10 parts of hydrogen-containing silicone oil, 40-50 parts of a foaming agent, 5-10 parts of a reinforcing filler, 10-12 parts of a flame-retardant filler, 15-20 parts of a ceramic composite filler, 0.05-0.2 part of an inhibitor and 0.5-2 parts of a catalyst, wherein the ceramic composite filler is selected from a combination of modified glass powder, other ceramic forming fillers and zinc borate; the modified glass powder is low-temperature domain glass powder; and the other ceramic forming fillers are in multi-stage particle size grading. By matching the ceramic forming filler with a multistage particle size structure, plane accumulation with maximum ceramic forming points is formed on a silicon foam organic layer, and low-temperature domain fluxing agents with different melting point temperatures are selected to participate in generation of a continuous phase, so that the phenomenon of cracks caused by loss of skeleton particles due to massive decomposition of the organic phase is reduced, and the silicon foam material subjected to high-temperature calcination is complete in foam structure and high in strength. High-temperature resistance, heat insulation and impact resistance are high.

This utility model discloses a gluing device for dual anti-counterfeiting laser transfer cardboard, including a frame. A secondary mounting seat and a primary mounting seat are respectively mounted on the surface of the frame. A limiting roller is movably mounted on the upper side of the secondary mounting seat, and a gluing roller is movably mounted on the upper side of the primary mounting seat. A glue-containing space is formed between the gluing roller and the limiting roller. A stirring mechanism is installed in the glue-containing space. The stirring mechanism includes a drive wheel fixedly connected to the rotating shaft of the gluing roller, a driven wheel mounted on one side of the drive wheel, and a synchronous belt provided on the driven wheel and the drive wheel. An agitator is movably mounted inside the glue-containing space. This gluing device for dual anti-counterfeiting laser transfer cardboard ensures that the glue liquid maintains uniform fluidity, thereby ensuring that a continuous and uniform glue film adheres to the surface of the subsequent gluing roller. This avoids problems such as uneven gluing on the gluing roller, particles or breaks in the glue layer on the cardboard due to glue solidification, and maintains stable gluing quality.

The invention provides a core replacing type molten aluminum crystallization launder and a using method thereof, and relates to the technical field of non-ferrous metal metallurgical equipment.The core replacing type molten aluminum crystallization launder comprises a launder body and an inner core assembly, a liquid flowing groove is formed in the top of the launder body, and a containing groove is formed in the bottom of the launder body; the inner core assembly is arranged in the containing groove, the inner core assembly and the containing groove are detachably installed, the inner core assembly comprises a crystallizer inner core and a heating plate inner core, and the crystallizer inner core and the heating plate inner core are alternately connected with the containing groove; according to the core replacement type molten aluminum crystallization launder, the working mode of the launder is adjusted by replacing different inner cores, different actual requirements are met, meanwhile, the launder body is easier to maintain and upgrade, it is effectively guaranteed that all areas in the launder are dried evenly and thoroughly, and it is guaranteed that the subsequent cooling crystallization process is conducted smoothly.

The utility model discloses a double-pipeline centralized gas supply system of a ball mill. The system consists of at least one ball mill unit, a gas source system unit, a main pipeline unit, a branch pipeline unit and a PLC (Programmable Logic Controller), the air source system unit supplies air to a pneumatic clutch and a gear lubricating device in the ball mill unit; the system comprises a first air compressor, a second air compressor and a third air compressor, the first air compressor is connected with a first air storage tank through a first air source pipeline, the first air source pipeline is connected with a first pressure transmitter and a first electric ball valve, and the second air compressor is connected with a second air storage tank through a second air source pipeline. A second air source pipeline is connected with a second pressure transmitter and a second electric ball valve, and a third air compressor is connected with a third pressure transmitter; and the PLC is connected with each electric control component in the gas source system unit and the branch pipeline unit through cables. The utility model has the advantages of compact arrangement of connecting pipelines, high air supply efficiency, obvious energy-saving effect and good pressure stabilizing effect, and can ensure the efficient and stable operation of the ball mill.

The invention relates to a casting system and a casting process for aluminum alloy castings, and relates to the technical field of casting of metal castings, the casting system comprises a fixing frame, a casting tank fixed to the fixing frame, two agent storage barrels and a plurality of agent feeding pipes, and the agent storage barrels and the agent feeding pipes are fixed to the casting tank; the agent storage barrel on the right side is a thickening agent feeding tank, the agent feeding pipes are divided into two groups, the two groups of agent feeding pipes are symmetrically distributed on the casting tank, the agent feeding pipes on the left side are defoaming agent feeding pipes, and the agent feeding pipes on the right side are thickening agent feeding pipes; the casting tank is provided with a processing mechanism used for stirring and forming casting liquid, and the processing mechanism comprises a stirring part and a mold part. The adding amount and the adding speed of the defoaming agent and the thickening agent can be controlled according to the viscosity and the temperature of the casting liquid in different height directions of the casting tank, the defoaming agent and the thickening agent can be added to different height positions of the casting tank, and the defoaming and improving effects of the casting liquid are guaranteed.

The utility model discloses a supporting and fixing seat investment casting structure. The supporting and fixing seat investment casting structure comprises a tree assembling die head and a plurality of supporting and fixing seat investment casting parts communicated with the tree assembling die head, the tree assembling die head comprises a cup pouring gate, an I-shaped pouring gate, a plurality of wax discharging channels, a plurality of wedge-shaped inner pouring gates with slopes and two communicating pouring gates arranged on the I-shaped pouring gate. The cup pouring gate is communicated with the top of the I-shaped pouring gate; one end of each wax discharging channel is communicated with the cup pouring gate, and the other end of each wax discharging channel is communicated with a supporting and fixing seat investment casting part; one end of each wedge-shaped flow gate is communicated with the I-shaped pouring gate, and the other end of each wedge-shaped flow gate is communicated with the supporting and fixing seat investment casting part. Molten steel flow injection is stable, and air holes and slag holes are not prone to being generated in a casting. Dewaxing is thorough, and cost and environmental protection are facilitated; and castings are high in yield and stable and reliable in quality.

The utility model relates to the technical field of automobile refueling devices, in particular to a fluid director for refueling, a main cover unit and an uncovered refueling device.The fluid director comprises a fluid director body and a turbulent flow structure, a fluid director channel is arranged in the fluid director body, the fluid director structure is used for inserting a refueling gun and guiding the flow direction of oil, and the turbulent flow structure is arranged on the fluid director body. The turbulent flow structure is located in the flow guide channel and used for slowing down the flowing-out speed of oil at the outlet end of the flow guide channel; the turbulent flow structure is arranged on the inner wall of the flow guide channel in the length direction of the flow guide body, operation safety is improved, fluid can be more evenly distributed and flow in the flow guide channel, the phenomenon that the fluid flows out unevenly is avoided, it is ensured that the fluid near the flow outlet flows more stably and controllably, and the service life of the flow guide device and the service life of the fuel tank are prolonged. The energy consumption and the fluid waste are reduced, and the concept of energy conservation and environmental protection is met.

The utility model discloses stirring equipment for cleaning agent production, and relates to the field of cleaning agent production. The device comprises a stirring tank and a top cover, an inner bin is arranged in the stirring tank, a vibration mechanism is arranged on the inner wall of the inner bin, through the arrangement of the vibration mechanism, after the top cover is opened, an ultrasonic transducer can be inserted into a mounting groove, it is ensured that a clamping block at the bottom of a fixing plate is clamped with a clamping groove, and when the top cover is closed, the ultrasonic transducer can be inserted into the mounting groove. When the cleaning agent is mixed, the electric plug pin is ensured to be inserted into the electric slot, so that the vibration head can be promoted to vibrate at a high frequency, uniform mixing of all components in the cleaning agent is promoted, and compared with traditional mechanical stirring, the mixing mode is more efficient, the mixing time can be shortened, and the mixing quality can be improved; and the vibration effect of the ultrasonic waves can also reduce dead angles in the stirring equipment to a certain extent, so that the waste of the cleaning agent is reduced, and the production efficiency is improved.

The invention relates to the technical field of building materials and ocean engineering protection, in particular to a preparation method of a marine concrete heavy anti-corrosion coating. Comprising the following steps: 1, preparing materials and carrying out dry mixing to obtain an inorganic dry powder base material; step 2, preparing and mixing wet materials, taking polymer emulsion, a silane coupling agent and water, and uniformly mixing the polymer emulsion, the silane coupling agent and the water; in a stirring state, slowly dropwise adding the mixed solution into the inorganic dry powder base material in the step 1; step 3, dispersion and defoaming: stirring is kept in the dropwise adding process, a defoaming agent is added, high-speed dispersion is performed until the slurry is in a uniform flow state and has no obvious bubbles, and heavy-duty cement-based composite coating slurry is obtained; 4, film forming construction is conducted, specifically, a concrete base surface is coated with the slurry obtained in the step 3 through a layered coating technology, and an anti-corrosion coating is formed after standing and curing. According to the invention, the physical compactness of the coating is greatly improved, the water absorption rate of the coating is obviously reduced, and the anti-permeability pressure is improved.

The utility model discloses a coating even diluter, relates to diluter technical field, including base and stirring barrel, base top fixed installation is equipped with the mounting plate, the one side of mounting plate is equipped with the first mounting groove, the inside of first mounting groove is equipped with the elevating mechanism, the outside of elevating mechanism is equipped with the top cover, the top cover is equipped with the top cover, the top cover is equipped with the stirring barrel. And a feeding mechanism is arranged on one side of the top of the top cover, a third motor is fixedly installed at the center point of the top of the top cover, the output end of the third motor is connected with a transmission shaft, and stirring blades are fixedly installed outside the transmission shaft. According to the utility model, the feeding speed of the diluent can be adjusted as required through the feeding mechanism, the diluent is prevented from quickly entering the coating, the viscosity and the leveling property of the coating can be better controlled by slowly adding the diluent, and the uniform viscosity and the fluidity of the coating in the construction process are ensured.

The utility model discloses a raw material crushing device for white spirit production, and relates to the technical field of white spirit production. Comprising a raw material crusher box body, a first connecting shaft and a second connecting shaft, a driving motor is fixedly mounted at the top of a motor frame, a rotating shaft is fixedly connected to the output end of the driving motor, a driving gear is fixedly connected to the end, close to the driving motor, of the outer surface of the rotating shaft, and crushing blades are fixedly connected to the outer surface of the rotating shaft; a transmission box is fixedly installed in the middle of the left side of the raw material pulverizer box body, and a first slope is arranged at the position, close to the left side, of the inner bottom wall of the raw material pulverizer box body. A second slope is arranged at the position, close to the right side, of the inner bottom wall of the raw material pulverizer box, a feeding end is arranged at the position, close to the right side, of the top of the raw material pulverizer box, first spiral blades are arranged on the outer surface of the first connecting shaft, and second spiral blades are arranged on the outer surface of the second connecting shaft.

The invention relates to the technical field of diode packaging, in particular to a wafer level packaging-based diode preparation process, which comprises the following steps of: performing primary formation quality detection on the basis of forming initial salient points on a target wafer, determining whether a reflow soldering mode is started or not according to a primary deposition detection result, and performing secondary formation quality detection on the target wafer on the basis of starting the reflow soldering mode. Determining actual reflux parameters according to a primary deposition detection result; heating the target wafer according to the actual reflow parameter to form a target bump; in the backflow heating process, monitoring the target wafer in real time, and determining time nodes of all stages of the backflow heating process according to the backflow monitoring parameter set; and packaging and cutting the target wafer on the basis of the completion of the reflux heating process, performing an electrical test on each obtained diode wafer particle in the cutting process, marking the diode wafer particles which are unqualified in the electrical test to obtain an electrical marking result, and determining an actual abnormal reason according to the electrical marking result.

The invention discloses an adjustable hypoxia training device for plateau hypoxia training, and relates to the technical field of hypoxia training.The adjustable hypoxia training device comprises an oxygen generator, the oxygen generator is fixedly installed in a cabin, the side, close to an air inlet hole, of the oxygen generator is fixedly connected with an air delivery pipe, a connecting hole is formed in the outer side of the air delivery pipe, and a V-shaped block is arranged on the outer side of the air delivery pipe; a limiting ring is fixedly connected to the inner side, close to the connecting hole, of the gas conveying pipe, a round hole is formed in the side edge of the V-shaped block, and a cylinder is fixedly connected to the side, close to the gas conveying pipe, of the V-shaped block. According to the adjustable hypoxia training equipment for plateau hypoxia training, a cylinder drives a V-shaped block to deform towards the side away from a gas conveying pipe, so that gas is exhausted in the inclined direction, lower-layer gas can generate upward power, the lower-layer gas can be mixed with middle-layer gas and upper-layer gas more easily, oxygen is prevented from being accumulated on the lower layer, and the working efficiency is improved. The concentration of oxygen in the cabin is distributed more uniformly in the vertical direction, and dead angles of waste gas in the cabin are reduced.

The invention belongs to the technical field of insulated cable production, and discloses a multi-layer co-extrusion die and multi-layer co-extrusion equipment, the multi-layer co-extrusion die comprises: an inner die body which is constructed into a frustum structure with the diameter gradually reduced from a feeding end to a discharging end, and is coaxially arranged in a manner of sequentially sleeving from inside to outside, and the outer wall of each inner die body is provided with a flow channel; the outer die sleeve is arranged on the periphery of the inner die body in a sleeving mode, at least two inlets are formed in the outer die sleeve, and the at least two inlets communicate with the flow channels of the at least two inner die bodies in a one-to-one correspondence mode; the forming die is connected to the discharging end of the outer die sleeve, and forming cavities matched with the at least two runners are formed in the forming die; the end covers are connected to the feeding end of the outer die sleeve and are coaxially arranged from inside to outside in a sleeved mode in sequence, each end cover comprises an external thread arranged on the outer wall and an internal thread arranged on the inner wall, the adjacent end covers are connected in a screwed mode through the threads, and the feeding ends of the end covers are provided with connecting threads matched with the external threads.

The present invention relates to the field of forging technology, and in particular to a forging process for an air suspension component, comprising: obtaining molding data and preforming die data of a target molded part; processing raw materials into a to-be-processed blank according to the molding data and the preforming die data; lubricating the to-be-processed blank, and determining a pressure control method of the preforming process according to the surface roughness of the to-be-processed blank; preforming the to-be-processed blank according to the determined pressure control method of the preforming process to obtain a preformed part; annealing the preformed part, and obtaining preforming data of the preformed part; comparing the preformed data with the molding data, and determining a molding control method of the molding process according to the comparison result and the surface texture characteristics of the preformed part; lubricating the preformed part, and molding the preformed part to obtain a target molded part. The present invention can improve the molding accuracy of an air spring piston.

The present invention discloses an adjustable hypoxic training device for plateau hypoxia training, the present invention relates to the field of hypoxic training technology, including an oxygen concentrator, the oxygen concentrator is fixedly installed inside a cabin, a gas pipe is fixedly connected to the side of the oxygen concentrator close to the air inlet, a connecting hole is provided on the outside of the gas pipe, a V-shaped block is provided on the outside of the gas pipe, a limiting ring is fixedly connected to the inside of the gas pipe close to the connecting hole, a circular hole is provided on the side of the V-shaped block, and a cylinder is fixedly connected to the side of the V-shaped block close to the gas pipe. The adjustable hypoxic training device for plateau hypoxia training drives the V-shaped block to deform toward a side away from the gas pipe through the cylinder, so that the gas is discharged in an inclined direction, the lower layer of gas will generate upward power, so that the lower layer of gas is more easily mixed with the gas in the middle layer and the upper layer, avoiding oxygen accumulation in the lower layer, making the oxygen concentration in the cabin more evenly distributed in the vertical direction, and reducing the dead corners of exhaust gas in the cabin.

The utility model relates to the technical field of silver-copper alloy strip billet production, in particular to a combined die for large-specification silver-copper alloy strip billet production, which comprises a divergent die and a forming die which are arranged in an extruder cavity, the divergent die is arranged at the outlet end of an extrusion cavity of an extruder, and the forming die is positioned on one side, far away from the outlet end of the extrusion cavity of the extruder, of the divergent die. An expansion cavity is formed in the divergent die, and a sizing belt is arranged on the forming die. The internal structure of a strip blank produced by an existing mold is not compact enough, and product strength and stability are affected. According to the utility model, the trapezoidal shunting block of the shunting die is matched with the shunting groove and the sizing belt of the forming die, so that alloy raw materials flow in the die more smoothly and are uniformly distributed. In the uniform flowing and distribution process, the alloy raw materials can be more tightly combined together, so that the compactness of the internal structure of the strip blank is improved, the strength and stability of the product are enhanced, the product quality can meet the standard requirement more easily, the production cost is reduced, smooth production is guaranteed, and the production efficiency is improved.

The present invention discloses a polyester and a preparation method and application thereof, wherein the total content of low molecular weight substances in the polyester is 0.1-0.6wt%, and the GPC curve of the low molecular weight substances has the following characteristics: the integral area of ​​the peak with a number average molecular weight Mn greater than 400 is less than 60% of the total integral area. The present invention can effectively solve the problem of easy precipitation on the surface of polyester products, and the prepared polyester product has high gloss.

The utility model discloses paper couplet printing equipment which comprises a conveying device, a silk-screen shell, a transmission plate, a sliding block, a sliding column, a driving assembly, an overturning assembly and a bearing plate, the conveying device is used for conveying paper couplets, the silk-screen shell is connected to the upper side of the conveying device, a guide groove is formed in the upper side of the silk-screen shell, and the bearing plate is arranged in the guide groove. A silk-screen template is detachably and fixedly connected into the silk-screen shell, the transmission plate is slidably connected into the silk-screen shell, a bearing groove is formed in the transmission plate, the sliding block slidably abuts against the inner wall of the silk-screen shell, a sliding groove is formed in the sliding block, a sliding column body abuts against the inner wall of the sliding groove, and the two ends of the sliding column body abut against the inner wall of the guide groove and the inner wall of the bearing groove correspondingly. The driving assembly is used for driving the sliding block to slide back and forth in the silk-screen shell, and the overturning assembly is used for driving the silk-screen shell to move up and down to complete printing operation on couplets. According to the technical scheme, printing operation can be stably and continuously carried out, and the printing effect is improved.

The invention belongs to the technical field of storage tanks, and particularly relates to a storage tank with automatic feeding and weighing functions. The weighing mechanism comprises a bearing plate connected to the inner wall of the tank body in a sealed and sliding mode, and a plurality of piezoelectric sensors are arranged between the lower wall of the bearing plate and the inner bottom wall of the tank body; the feeding mechanism comprises a material pump fixedly connected to the upper end of the tank body, the output end of the material pump is communicated with the interior of the tank body, a floating plate is slidably connected to the inner wall of the tank body, and a distance sensor is fixedly connected to the position, located above the floating plate, in the tank body. By arranging the weighing mechanism and the feeding mechanism, the weight of materials is monitored in real time by pressing a piezoelectric sensor through the gravity of the materials, meanwhile, when the liquid level of the materials is close to the top of the tank body, a material pump is automatically closed through a PLC control panel, and excessive materials are prevented from entering the material storage tank; and the feeding speed of the material can be adjusted according to the change of the shear stress when the flowability of the material changes.

The invention relates to the technical field of packaged diodes, and in particular to a diode preparation process based on wafer-level packaging. The preparation process comprises: based on forming an initial bump on a target wafer, performing a formation quality inspection, determining whether to start a reflow soldering mode according to a deposition inspection result, and based on starting the reflow soldering mode, determining actual reflow parameters according to a deposition inspection result; heating the target wafer according to the actual reflow parameters to form a target bump; during the reflow heating process, real-time monitoring is performed on the target wafer, and time nodes of each stage of the reflow heating process are determined according to a reflow monitoring parameter set; based on the end of the reflow heating process, the target wafer is packaged and cut, and during the cutting process, electrical tests are performed on each diode wafer grain obtained, and diode wafer grains that fail the electrical test are marked to obtain electrical marking results, and actual abnormal causes are determined according to the electrical marking results.

The rotary kiln comprises a preheating section rotary drum, a fixed section and a reaction section rotary drum which are sequentially connected from high to low, and a hot air supply device and a natural gas supply device are arranged on the fixed section; a feeding device is arranged at one end, deviating from the fixed section, of the preheating section rotary drum; a kiln tail slag discharging box and a heat source natural gas ignition device are arranged at the end, away from the fixed section, of the reaction section rotary drum. The novel three-section rotary kiln has the beneficial effects that roasting of different materials and metal recovery can be achieved, the production bottleneck restricting company productivity improvement is solved, meanwhile, coke powder or anthracite is replaced with natural gas, the productivity of the rotary kiln can be greatly improved, energy consumption is reduced, and the metal recovery rate is increased. Meanwhile, due to the improvement of the metal recovery rate, the improvement of the treatment capacity and the reduction of energy consumption, the production cost is remarkably reduced, and the energy utilization efficiency is improved.

The utility model discloses an integrated blow-molded multi-connected air spring and a support pad, the multi-connected air spring is composed of a plurality of spring units which are blow-molded at one time, the plurality of spring units are mutually communicated through communicating pipes, one of the plurality of spring units is provided with a blow-molding port, each spring unit comprises a body part, a plurality of air holes, a plurality of air holes and a plurality of air holes, the body part is suitable for connecting a plurality of spring units into a whole, and the communicating pipe is combined on the body part; the telescopic part is suitable for generating elastic deformation, and the telescopic part is combined on the upper side and / or the lower side of the body part. According to the utility model, the multi-connected air spring is manufactured by adopting an integrated blow molding process, and the limitation of traditional vertical blow molding is broken through. The multiple spring units are formed through one-time blow molding, so that the spring units are connected more tightly and naturally, and the defects possibly generated due to multiple times of forming and subsequent connection are avoided. In the blow molding process, the material can flow and fill more uniformly.