372results about How to "Easy to join" patented technology

The invention provides a preparation method of high oil-filled liquid regenerated rubber, and belongs to the field of regenerated rubber manufacturing. The method comprises the following steps: mixing and preheating waste rubber powder and a part of softener; feeding the mixed and preheated raw materials into a double-screw or multi-screw extruder for heating and primary decrosslinking; feeding the raw materials subjected to primary de-crosslinking into a parallel co-rotating twin-screw extruder, adding the rest softening agent for multiple times through a plurality of feeding holes in a machine barrel, and extruding to obtain the high oil-filled liquid regenerated rubber. Compared with traditional regenerated rubber, the processing performance is better, the surface of a product is smoother, the production process is low-carbon and environment-friendly, and the additional value of resource utilization of waste rubber is greatly improved.

The invention discloses an in-situ synthesis Al2O3 reinforced low-density steel-based composite material and a preparation method of the in-situ synthesis Al2O3 reinforced low-density steel-based composite material. The in-situ synthesis Al2O3 reinforced low-density steel-based composite material comprises a steel matrix and an Al2O3 reinforced phase distributed in the steel matrix, the steel substrate is made of high-aluminum steel; the Al2O3 reinforced phase is generated by an in-situ reaction of an oxygen element in the metal oxide molten salt and an aluminum element in the high-aluminum steel melt in the smelting process, and the volume percent of the Al2O3 reinforced phase in the steel matrix is 10-20%. In the casting process, Al2O3 reinforced phase particles are generated in a steel matrix through in-situ reaction, good combination of the Al2O3 reinforced phase particles and the steel matrix is achieved, and the overall performance of the material is improved under the condition that the low density of the steel-based composite material is guaranteed.

The invention discloses a glass fiber reinforced nylon material with high alcoholysis resistance, and relates to the technical field of glass fiber reinforced nylon materials. Raw materials of the high-strength and high-toughness composite material comprise the following components in parts by weight: 30-43 parts of PA46, 20-25 parts of PA66, 15-7 parts of PA115, 3-5 parts of bio-based nylon, 20-45 parts of alkali-free glass fibers, 1-3 parts of polyethylene, 0.5-3 parts of an antioxidant, 0.2-3 parts of a heat stabilizer, 0.1-5 parts of a compatilizer, 1-5 parts of a flexibilizer, 0.2-0.5 part of a hydrolysis-resistant agent, 1-2 parts of an ultraviolet light absorber, 0.1-2 parts of a silane coupling agent, 0.1-0.5 part of a nucleating agent, 1-5 parts of hollow glass beads and 3-8 parts of mica. The glass fiber reinforced nylon material is prepared by mixing the raw materials according to the set proportion and sequence, the glass fiber reinforced fiber material with high alcoholysis resistance is finally obtained, a small amount of mica is added into the matrix raw materials, the insulativity and heat resistance of the prepared glass fiber reinforced nylon material are improved to a certain extent, and the service life of the glass fiber reinforced nylon material is prolonged. The range of products made of the material is expanded, the stability of the products is improved, and the products can resist corrosion of strong acid and strong alkali.

The invention relates to a ceramic product and a preparation method thereof, in particular to a preparation method of a carbon-ceramic brake disc with a composite friction layer and the carbon-ceramic brake disc, which are used for overcoming the defects that the production cost is increased and the large-scale application of the carbon-ceramic brake disc is restricted due to low material utilization rate in the manufacturing process of the carbon-ceramic brake disc. The preparation method of the carbon-ceramic brake disc with the composite friction layer sequentially comprises the following steps of preparation of the carbon-carbon composite material, rough machining, preparation of the heat conduction functional layer, preparation of the composite friction layer, ceramic treatment and finish machining. The heat conduction function layer can effectively reduce the temperature of the disc face in the braking process, the service life of calipers and other surrounding accessories is prolonged, the components of the composite friction layer are uniform and can be designed, and noise and shaking can be reduced in the braking process; in addition, the utilization rate of raw materials is improved and the production cost is reduced by using the residual stub bar. Meanwhile, the invention further discloses a carbon ceramic brake disc with the composite friction layer.

The utility model relates to the technical field of water-based adhesives, and discloses a water-based adhesive emulsifying and spraying device which comprises a cleaning mechanism, an emulsifying mechanism and a spraying mechanism, the emulsifying mechanism is located outside the cleaning mechanism, the spraying mechanism is located outside the emulsifying mechanism, and the cleaning mechanism comprises a scraper, a drain outlet and a switch valve. The scraping plate is movably arranged on the inner side of the emulsifying mechanism, the drain outlet is fixedly formed in the outer end of the emulsifying mechanism, and the switch valve is fixedly mounted at the outer end of the drain outlet. The water-based adhesive emulsifying and spraying device is provided with the cleaning mechanism, the position of a scraping plate is limited by a fusion tank and a rotating shaft, the position of a drain outlet is limited by the fusion tank, and the position of a switch valve is limited by the drain outlet, so that when the fusion tank is cleaned, the rotating shaft can drive the scraping plate to rotate to scrape and clean the inner wall of the fusion tank, and dirt is discharged from the drain outlet; and the switch valve is used for controlling the discharge of the drain outlet, so that the cleaning effect is enhanced.

The utility model provides a cooling device for producing a water reducing agent, and belongs to the technical field of cooling devices. In order to solve the problem that a traditional cooling device adopts air cooling and is poor in cooling effect, the following technical scheme is provided: the cooling device comprises a first tank body and a second tank body, a cooling cavity is formed in the top of the first tank body, the second tank body is located in the cooling cavity, and a first cooling assembly is arranged on the first tank body and is connected with the cooling cavity; a top cover is arranged at the top of the cooling cavity, a material cavity is formed in the top of the second tank body, a sealing cover is arranged at the top of the material cavity, and the second cooling assembly penetrates through the cooling cavity and the material cavity; through the arrangement of the first cooling assembly and the second cooling assembly, the contact area between the second tank body and the material cavity and the cooling liquid is increased, materials can be effectively cooled through circular flowing of the cooling liquid, the problem that a traditional cooling device is poor in cooling effect is solved, the materials can be uniformly cooled, and the cooling effect is improved.

The utility model belongs to the field of lampshade molds, and particularly relates to a novel lower mold plate of an LED lampshade mold, which solves the problem of how to efficiently cool a formed LED lampshade in the prior art, and comprises a bottom plate and a lower mold body, a cooling mechanism is arranged in the lower mold body, and a heating component is mounted on the inner wall of the lower mold body. According to the utility model, the cooling mechanism and the stirring mechanism are matched with each other, so that the LED lampshade heated and molded by the heating assembly in the lower mold body can be quickly cooled, the time is saved, the cooling quality is improved, the molded LED lampshade can be demolded in the lower mold body with higher quality, and the production efficiency is improved. And the spiral pipe is arranged in the cavity in a surrounding mode, the contact area can be increased, the heat exchange efficiency can be improved, cooling is accelerated, meanwhile, cooling water in the spiral pipe can be recycled, the cooling water in the water tank can be stirred through the arranged stirring mechanism, and heat dissipation of the cooling water is accelerated.

The utility model relates to the technical field of rural sewage treatment devices, and discloses a rural sewage low-carbon low-cost treatment device which comprises a first filter box, a water inlet pipe is fixedly connected to one side of the upper portion of the first filter box, mounting holes are formed in the two sides of the first filter box, a first connecting rod penetrates through the two mounting holes, and a second connecting rod penetrates through the first connecting rod. The two ends of the first connecting rod are both fixedly connected with baffles, the first connecting rod is fixedly sleeved with a rotating plate on the outer surface of the circumference in the first filter box, one side of the rotating plate is arranged below the water inlet pipe, and the shell above the first filter box is movably sleeved with a first clamping support. According to the low-carbon and low-cost rural sewage treatment device disclosed by the utility model, chemicals can be conveniently added into the rural sewage treatment device according to the amount of sewage, the surface of the first filter plate can be conveniently cleaned, and the filter plates can be conveniently and automatically cleaned when the second filter plate is blocked.

The invention relates to an andrographolide nanocrystal suspension, preparation thereof and application of the andrographolide nanocrystal suspension in preparation of an andrographolide nanocrystal dry powder inhaler with an anti-inflammatory effect. The andrographolide nanocrystal suspension contains a) an active component andrographolide nanocrystal; b) a stabilizer; wherein the content of andrographolide in the suspension is 0.1%-30%, and the content of the stabilizer is 0.1%-5%. According to the andrographolide nanocrystal dry powder inhalant and the preparation method thereof, andrographolide nanocrystals are prepared into micro powder by adopting a spray drying technology, and auxiliary material addition and a preparation process are optimized, so that the andrographolide nanocrystal dry powder inhalant with good inhalation performance is successfully prepared and directly acts on the respiratory tract through a pulmonary drug delivery system, the administration dosage is reduced, and the inhalation effect is improved. Higher lung local concentration is obtained, the first-pass effect of the liver is avoided, meanwhile, the efflux effect of p-glycoprotein is avoided as much as possible, and then the bioavailability is improved; the technical problem that the bioavailability is poor due to the fact that andrographolide is excreted through p-glycoprotein and rapidly absorbed and metabolized in the intestinal tract is solved.

The preparation equipment comprises a first material mixing kettle, a second material mixing kettle, a hydrothermal reaction kettle, a centrifugal filter, a washing device and a drying machine, the washing device comprises a washing tank, the pitching angle of the washing tank is adjustable, a cleaning barrel is installed in the washing tank, a material inlet and outlet is formed in one end of the cleaning barrel, and a material outlet and a material outlet are formed in the other end of the washing barrel; the feeding and discharging opening is sealed through a detachable cover plate, a filter screen is arranged outside the cleaning cylinder, and the cleaning cylinder is driven to ascend and descend through an ascending and descending mechanism. In the raw material washing process, two movement modes of lifting and rotating are combined, so that powder materials are fully mixed and rinsed in the cleaning cylinder, the washing efficiency and effect are improved, the stirring shaft and the cleaning cylinder are driven to rotate in the opposite directions in a transmission mode, and the stirring effect is improved. And the automatic stirring effect in the lifting process can be further improved, so that the washing effect is further enhanced, and full stirring and washing of the powder material are ensured.

The invention provides an IMU (Inertial Measurement Unit)-based multi-sensor fusion positioning method and device and a storage medium. The positioning method comprises the following steps: obtaining an IMU pre-integration result based on a constructed IMU pre-integration model; adding the system positioning result at a moment and the IMU pre-integration result to obtain a system positioning predicted value at the current moment; obtaining original data of the plurality of sensors, and performing preprocessing and synchronization to obtain observation values of the plurality of sensors at the current moment; independently filtering the observation values of the plurality of sensors and the system positioning predicted value at the current moment by using the constructed filtering subsystem so as to obtain updated system positioning predicted values of the plurality of sensors at the current moment; according to the system positioning observation values of the plurality of sensors and the confidence coefficients of the plurality of sensors at the previous moment, updating the confidence coefficients of the plurality of sensors at the current moment; and according to the confidence of the plurality of sensors at the current moment, carrying out weighted summation on the updated system positioning predicted values of the plurality of sensors to obtain a system positioning result at the current moment.

The utility model discloses a stirring type steaming furnace which comprises a cylindrical furnace body, a stirring mechanism and a heating base used for storing water and heating. The bottom of the furnace body and the heating base are welded together, a feeding port is formed in the top, and a discharging bin door is rotationally connected to the side face; the stirring mechanism comprises a rotating motor and a hollow stirring rod set, the rotating motor is fixedly connected to the center of the top face of the furnace body, and a rotating shaft of the rotating motor penetrates through the furnace body and then extends towards an inner cavity of the furnace body; a plurality of air outlet holes are formed in the stirring rod group, the stirring rod group is rotatably mounted in the furnace body, the top of the stirring rod group is fixedly connected with the rotating shaft, and the bottom of the stirring rod group penetrates through the bottom surface of the furnace body and then communicates with the heating seat. According to the cashew nut steaming furnace, the rotating motor of the stirring mechanism drives the stirring rod set to rotate, meanwhile, steam formed by the heating base is discharged from the vent holes, cashew nuts in the furnace body are steamed and heated through the steam while being stirred, the cashew nuts can be evenly heated, the follow-up shelling effect can be effectively improved, and the steaming furnace is simple in structure and even in steaming effect.

The utility model discloses a rim edge polishing rotation tool which comprises a rack, a rotation device and a lifting device, a panel is horizontally arranged on the rack, and a rotation groove is formed in the surface of the panel; the rotating device comprises a first power assembly, a first roller and a second roller, the first roller and the second roller are horizontally and rotatably arranged on the rack, the first roller and the second roller are located on the two sides in the rotating groove and used for supporting the rim, and the first power assembly drives the first roller and the second roller to rotate so as to drive the rim to rotate; the lifting device comprises a second power assembly and a lifting plate, the second power assembly is fixedly arranged at the bottom end of the panel, the lifting plate is driven by the second power assembly to ascend and descend and can ascend into the rotation groove to be flush with the surface of the panel, and the second power assembly drives the lifting plate to ascend and descend. The rim polishing device has the advantages that the first power assembly drives the first roller and the second roller to rotate so as to drive the rim to rotate, and the edge of the rim can be polished conveniently.

The utility model discloses a dissolution type dryer, which belongs to the technical field of dryers and comprises a top plate, a treatment tank is fixedly connected onto the top plate in a penetrating manner, a motor is fixedly connected to one side of the top plate, a first bevel gear is fixedly connected to the output end of the motor, and the first bevel gear is meshed with a second bevel gear. A first bevel gear is arranged on one side of the treatment tank, a second bevel gear is arranged on the first bevel gear, a threaded rod is fixedly connected to the second bevel gear, a connecting plate is arranged on one side of the treatment tank, a sleeve is fixedly connected to one side of the connecting plate, the threaded rod is located in the sleeve, and a threaded block is connected to the threaded rod in a threaded mode. The long rod drives the cover plate to rotate when the cover plate rotates to an L-shaped corner, so that the cover plate is opened, a drying agent can be conveniently added into the cover plate, the residual amount of the drying agent on a placing plate can be observed through a visual window, and the sealing device is simple, practical and good in sealing performance.

The invention relates to the technical field of multi-component alloy preparation, and discloses a rare earth oxide-containing silicon-barium alloy and a preparation method thereof.The preparation method comprises the following steps: mixing rare earth balls, silica, baryta, a layered composite material, modified carbon fibers, semi-coke and steel cuttings to obtain a mixture; and the mixture is placed in a submerged arc furnace to be circularly smelted, mixed rare earth silicon barium alloy liquid is formed, the mixed rare earth silicon barium alloy liquid is subjected to refining and slagging-off, casting forming is conducted, and the silicon barium alloy containing the rare earth oxide is obtained. The formed layered composite material has relatively high interlayer capacity, and the silicon element and the rare earth element in the mixture can be adsorbed to the interlayer of the layered composite material, so that the formation of a uniformly distributed silicon-barium-rare earth alloy phase is facilitated; the modified carbon fibers are small in size and can be filled into pores of the silicon-barium alloy, the compactness of the alloy is improved, and then the compactness of the silicon-barium-rare earth alloy phase is enhanced.

The utility model relates to the technical field of adjusting tanks, and discloses an adjusting tank for chemical wastewater, which comprises an adjusting tank main body, a cover plate is fixedly mounted at the top of the adjusting tank main body, and a water inlet pipe communicated with an inner cavity of the adjusting tank main body is fixedly mounted on the side wall of the adjusting tank main body. According to the adjusting tank for the chemical wastewater, the automatic adding assembly is arranged, after the automatic adding assembly is used, after the floating platform makes contact with the liquid level of the chemical wastewater in the adjusting tank body, along with continuous adding of the chemical wastewater, the floating platform is lifted, a piston moves upwards to push a precipitant in a precipitant barrel into a liquid discharging hole, and the precipitant is discharged out of the liquid discharging hole through guiding of a liquid guiding pipe; the precipitator enters the adjusting tank main body to be combined with the chemical wastewater, so that the adding amount of the precipitator is controlled according to the water amount of the chemical wastewater, a proper amount of the precipitator is favorably added, and the situation that precipitation cannot be effectively generated due to the fact that the precipitator is added too little or impurities of the precipitator need to be removed due to the fact that the precipitator is added too much is avoided as much as possible.

The utility model discloses a grain soaking and steaming cone bottom type grain loading device which comprises a grain storage tank and feeding hoppers, a motor is arranged at the top of the grain storage tank through a motor base, a plurality of feeding hoppers are arranged on the outer side of the grain storage tank, a grain discharging hopper is arranged at the bottom of the grain storage tank, and a discharging pipe is arranged at the bottom of the grain discharging hopper. The grain storage tank is connected with the supporting frame through a bracket. The grain storage tank is arranged on the bracket, the supporting frame is arranged at the bottom of the bracket, the supporting legs are arranged at the bottom of the supporting frame, the grain storage tank can be erected and supported through the supporting legs, and the supporting stability can be guaranteed; a feeding hopper is arranged on the outer side of the grain storage tank, a sealing cover is arranged on the top of the feeding hopper, a grain injection pipe is arranged on the inclined lower portion of the feeding hopper, one end of the grain injection pipe is connected with the grain storage tank, grains in the feeding hopper can be conveniently added into the grain storage tank through the grain injection pipe, the grains can be temporarily stored through the feeding hopper, and the grain storage amount can be increased.

The utility model discloses an ultra-high-temperature sterilization device for processing a corn juice beverage, and relates to the technical field of ultra-high-temperature sterilization equipment. The ultra-high-temperature sterilization device for corn juice beverage processing comprises a heat insulation barrel, a heat insulation cover is arranged at the top opening end of the heat insulation barrel, a sensing assembly is arranged in an inner cavity of the heat insulation barrel, the bottom end of the sensing assembly penetrates through the bottom surface of the heat insulation barrel, and a heating assembly is arranged on the bottom surface of the inner cavity of the heat insulation barrel. A temperature sensor is arranged on one side of the bottom surface of an inner cavity of the sensing assembly. An intermediate frequency heating machine is arranged at the position, close to the lower portion, of the middle of the outer wall of the heat insulation barrel, an opening and closing assembly is arranged at the position, close to the top end, of the outer wall of the heat insulation barrel, and the telescopic end of the opening and closing assembly is connected with the surface of the top of the heat insulation cover. The corn juice beverage can keep the natural flavor of the beverage.

The invention belongs to the technical field of solid hydrogen storage, and particularly relates to a solid hydrogen storage tank. The solid hydrogen storage tank comprises a tank body, a hydrogen outlet is formed in the top of the tank body, a storage area for storing a hydrogen storage material is arranged in the tank body, and the storage area is filled with the hydrogen storage material; the lower half section of the tank body is of a funnel structure, and a hydrogen inlet is formed in the lower end of the funnel structure; and a blocking part for preventing the hydrogen storage material in the storage area from flowing out is arranged at the hydrogen outlet end of the hydrogen inlet. According to the invention, the hydrogen storage material can be moved in the hydrogen feeding process, whether the hydrogen storage material has magnetism or not does not need to be considered, and the hydrogen storage material is not limited by a magnetic field environment.

The utility model discloses a forest fire high pressure pump belongs to forest fire field, including the end of bearing, the outer wall fixedly connected with water storage tank of the end of bearing, is provided with the adjusting assembly in the inside of water storage tank, and the adjusting assembly includes the sliding base fixed in the bottom end of water storage tank, the inner wall sliding connection of sliding base has the adjusting board, two adjusting boards are screwed in the outer wall of two -way screw rod, and two -way screw rod is located in the inner wall rotation of water storage tank, and the end portion fixedly connected with hand wheel of two -way screw rod, through the cooperation of above each device, can pass through the intercoordination of each spare part, reduces the labor intensity of operating personnel, improves the utilization of the water body in the box, improves the effect of extinguishing, through the rotation hand wheel makes two -way screw rod rotate, and then makes two adjusting boards opposite movement, and then extrudes the water body of using to the middle part, and then through the height of water body changes to facilitate water pump fast draws, improves the single -use rate of water body, improves the effect of extinguishing.

This utility model relates to the field of fish farming escape prevention technology, specifically to a fish farming escape prevention device, including a base, a fishing net tube fixedly installed on the top of the base, a barrier tube slidably connected inside the fishing net tube, a sealing plate installed on the top of the barrier tube by screws, and an airbag fixedly connected to the outside of the sealing plate. The airbag changes with the water level. The fishing net tube is equipped with stirring blades to agitate the water flow. The use of the airbag allows the height of the escape prevention device to change with the water level, eliminating the need for manual adjustment and preventing fish from easily flying out or swimming out of the top of the escape prevention device, thus ensuring the effectiveness of the escape prevention device. Furthermore, the external wind force drives the blades to rotate, which agitates the water flow inside the fishing net tube, allowing dissolved oxygen and nutrients in the water to be evenly distributed, avoiding local hypoxia or nutrient overload, and providing a good growth environment for the fish.

The utility model relates to a calcium carbonate precipitation filtering device which comprises a filtering container, the lower end of the filtering container is fixedly connected with a base, the upper end of the filtering container is provided with a feeding port, the middle of the lower end of the filtering container is provided with a discharging port, and the upper end of the filtering container is fixedly connected with a first fixing frame. The inner side of the first fixing frame is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a first rotating shaft, and the outer side of one end of the first rotating shaft is sleeved with the upper end of the filtering container; a filter tank is further included, multiple sets of connecting plates are fixedly connected into the filter tank, the inner ends of the multiple sets of connecting plates are fixed to the outer side of the lower end of the first rotating shaft, and the lower end of the feeding port is arranged above the filter tank; the drying device further comprises a drying mechanism, the drying mechanism comprises an air outlet device arranged in the filtering container, the air outlet device is annularly arranged along the inner side of the filtering container, the two ends of the air outlet device are sleeved with two sets of air inlet pipes, and the upper end of the interior of the filtering container is fixedly connected with an inclined plate.

The utility model discloses a protection mechanism and a synthetic leather internal mixer thereof. The protection mechanism comprises a feed port, a protection device is arranged on the feed port, the protection device comprises a connecting pipeline, two protection plates are symmetrically arranged at the top of an inner cavity of the feed port, fixing shafts are fixedly connected to the two sides of the top of each protection plate, and mounting mechanisms are arranged on the two sides of the connecting pipeline. The feeding port is moved upwards to drive the connecting pipeline to slide upwards at the top of the feeding pipeline, the top of the protection plate moves upwards along with the feeding port, the top of the protection plate rotates around the fixing shaft, and sealing of the feeding pipeline by the protection plate is relieved; and the bottoms of the two protection plates move oppositely and move to the top end of the feeding pipeline, the opening is closed, and the feeding pipeline is protected conveniently.

The imaging module includes: a lens barrel holding an optical system; an imaging sensor, a sensor front surface of which is vertically arranged on the optical axis of the optical system and has a quadrilateral shape; and a sensor holder, which is formed into a substantially rectangular parallelepiped shape having a pair of parallel end surfaces orthogonal to the optical axis and having substantially the same size as the imaging sensor, and in which a holding hole penetrating the pair of end surfaces is drilled, the lens barrel being assembled into the holding hole on one end surface, the other end surface being used as a sensor abutting surface abutting against the sensor front surface, a chamfered portion being provided from which at least one of the ridgeline portions perpendicular to the sensor abutting surface is removed, and the chamfered portion exposes a corner of the sensor front surface.

The utility model discloses an aggregate firmness testing device, which relates to the technical field of testing devices, and comprises a device control bottom box and a preparation function box, the outer wall of the preparation function box is provided with a cleaning tank, the bottom of the preparation function box is provided with a stirring motor, the output end of the stirring motor is provided with a cleaning stirring shaft, and the cleaning stirring shaft is provided with a stirring shaft. A drying groove is formed in the outer wall of the preparation function box, a drying heating wire is installed on the inner wall of the drying groove, a drying platform plate is installed on the inner wall of the drying groove, and a gravel containing frame is arranged on the top of the drying platform plate. The preparation mechanism is installed, gravel is added into the cleaning tank, a large amount of water is added into the cleaning tank, soil in the gravel is removed through the cleaning stirring shaft, and then the cleaned gravel is taken out, added into the gravel containing frame and added to the drying platform plate; and a drying heating wire is used for drying the gravel in the gravel containing frame, so that the device has a pretreatment function, and the practicability of the device is improved.

The utility model relates to the technical field of asphalt production, and discloses a feeding structure for asphalt processing production, which comprises a material box, a temperature controller, a heat conducting plate, an electric heating wire, a stirring rod and a crushing roller, a heat conduction plate is fixed to the inner side of the material box through bolts, electric heating wires are mounted in the heat conduction plate at equal intervals through a mounting frame, stirring rods are rotationally connected into the electric heating wires through bearings, a discharging barrel is fixed to the top of the material box through bolts, and crushing rollers are rotationally connected to the two ends in the discharging barrel through bearings. A connecting frame is welded to one side of the material box, a material guiding channel is fixed to one side of the connecting frame through bolts, and a baffle is arranged at the top end of the connecting frame in a sleeving mode. The novel feeding structure for asphalt processing production can crush asphalt raw materials, meanwhile, other auxiliary materials can be conveniently added, meanwhile, the asphalt raw materials and the auxiliary materials can be stirred and heated, and the feeding structure is suitable for wide application and popularization.

The utility model discloses organic fertilizer production equipment, and belongs to the technical field of fertilizer preparation equipment. The equipment comprises a box body, the two ends of the box body are provided with a feeding bin and a discharging opening respectively, and the equipment further comprises a material uniformizing assembly which comprises a rotating device, a material uniformizing shaft and material uniformizing blades; the rotating device is arranged at the top of the box body; the top end of the homogenizing shaft is connected with an output shaft of the rotating device; uniformizing blades are arranged on the side surface of the uniformizing shaft; the auxiliary material adding assembly comprises an auxiliary material adding opening and an outer cylinder body; the auxiliary material adding opening penetrates through the top of the box body, and the top end of the outer barrel is open and connected with the auxiliary material adding opening. The uniformizing blades and the auxiliary blades are combined for use, so that each raw material of the organic fertilizer can be uniformized, the uniformity of the raw materials is ensured, the full mixing and uniform mixing of the added leavening agent and the raw materials can be ensured, and the full fermentation treatment is ensured.

The utility model provides a batching device for processing meal replacement powder, which relates to the technical field of meal replacement powder processing and comprises a bottom plate, a belt conveyor is mounted at the top of the bottom plate, a support plate is fixedly connected to the top of the bottom plate, and three blanking cylinders are fixedly connected to one side of the support plate. According to the device, the servo motor is started to drive the first rotating shaft to rotate, the third rotating shaft is driven to rotate under the cooperation of the two first rotating wheels and the first synchronous belt, and meanwhile the second rotating shaft is driven to rotate under the cooperation of the two second rotating wheels and the second synchronous belt; by arranging a servo motor as a driving source, the problems that according to an existing batching device, due to the fact that multiple batching mechanisms are arranged, a large amount of electric energy is consumed due to the fact that multiple motors are arranged to operate at the same time, and the batching efficiency is high are solved. And the manufacturing cost of the device is increased.

The utility model relates to a methanol combustion furnace, which belongs to the technical field of heating equipment and comprises a furnace body, a fuel tank, a combustion nozzle, an exhaust pipe, a partition plate and a vacuum machine. A fuel tank for storing fuel is fixed in an inner cavity of the furnace body. The combustion nozzle is installed on the fuel tank and used for spraying out fuel and combusting the fuel. The exhaust pipe is inserted into the through hole in the top of the furnace body, communicated with the inner cavity of the furnace body, used for guiding out heat and used as air to enter an inlet of the inner cavity of the furnace body. The partition plate horizontally penetrates through the side wall of the furnace body in a sliding mode, the through hole in the top of the furnace body is sealed by sliding the partition plate, and air is prevented from entering an inner cavity of the furnace body. The vacuum machine is installed outside the side wall of the furnace body, and the output end of the vacuum machine is communicated with the inner cavity of the furnace body through a connecting pipe and used for vacuumizing the inner cavity of the furnace body. Through cooperation of the partition plate and the vacuum machine, the inner cavity of the furnace body is closed and vacuumized, so that a fire source is rapidly extinguished, and the problems that when an existing methanol combustion furnace has a combustion accident, the fire source is difficult to control, and potential safety hazards exist are solved.

The invention discloses a high-concentration COD (Chemical Oxygen Demand) wastewater treatment method. The method comprises the following specific steps: S1, adding COD wastewater into a treatment box in a treatment device by utilizing a wastewater pipe; s2, a second motor is started, the second motor drives a screw rod to rotate, the screw rod can drive a driving block to move after rotating, the driving block drives a connecting frame to move after moving, the agent box moves to the lower portion, a treating agent is added into the agent box, meanwhile, the driving block is driven to move under rotation of the screw rod, and the agent box is moved to the uppermost portion; an electric push rod is opened, the electric push rod drives a blocking plate to move, and the treating agent enters the treating box from a feeding opening; s3, starting a first motor, driving a rotating rod to rotate by the first motor, and driving a stirring rod to rotate after the rotating rod rotates, so that the treatment agent and the COD wastewater are fully dissolved, S4, observing whether the COD wastewater is qualified or not through a display under the action of a lead by utilizing a PH meter, and S5, driving a plugging block to be separated from a discharge port through rotation of a rotating piece.