338results about How to "Reduce mix" patented technology

The invention provides a coal gangue identification method and system based on thermal imaging and multivariate spectrum combination, and relates to the technical field of coal gangue qualitative and quantitative identification, and the method comprises the steps: obtaining the infrared radiation data of to-be-identified coal gangue and the spectral reflection data of a plurality of wavebands; preprocessing the infrared radiation data and the spectral reflection data; extracting edge morphological characteristics and temperature characteristics from the infrared radiation data, and extracting spectral reflectivity characteristics under different wavebands from the spectral reflection data; fusing the temperature features, the edge morphological features and the spectral features through multi-modal feature fusion; and inputting the fusion features into a coal gangue identification model to obtain a classification result of coal and gangue. According to the method, more comprehensive and accurate characteristics are constructed by utilizing the differences of the coal and the gangue in spectral characteristics and temperature distribution, the accuracy and the stability of identification are improved, and the accuracy and the reliability of coal and gangue identification are greatly improved by utilizing complementarity of multi-source information.

The invention discloses a micro-channel jet reactor. The micro-channel jet reactor comprises a sample introduction unit, a main mixing unit and a reaction unit which are sequentially communicated, the main mixing unit comprises a first inner pipe and a first outer pipe arranged outside the first inner pipe in a sleeving manner; a first annular space is formed between the first inner pipe and the first outer pipe; the sample introduction unit is communicated with the first inner pipe; a second sample inlet is formed in the first annular space, and a plurality of through holes are formed in the first inner pipe; the reaction unit comprises a second inner pipe and a second outer pipe arranged outside the second inner pipe in a sleeving manner; a second annular space is formed between the second inner pipe and the second outer pipe; the first inner pipe is communicated with the second inner pipe; during use, condensate is arranged in the second annular space. The reactor can effectively improve the mixing uniformity degree of reaction liquid, meanwhile, the reaction temperature is controlled, and the reaction rate and selectivity are ensured.

The embodiment of the invention provides a method for improving the self-opening rate of a ladle nozzle and a ladle baking structure, and relates to the field of steelmaking production. The method for improving the self-opening rate of the ladle nozzle comprises the steps that a nozzle material is controlled to be installed at the nozzle of the ladle; the steel ladle is controlled to turn over, so that the water gap faces upwards; and hot air in the steel ladle is controlled to bake the nozzle material. In the working process, after the nozzle material is installed, the steel ladle is turned over to enable the nozzle to face the upper side, hot air in the steel ladle moves towards the upper side, the nozzle material can be baked while the hot air is exhausted, moisture and tar in the nozzle material can be baked out, mixing of the moisture and the tar with stuffing sand is reduced, and the service life of the nozzle material is prolonged. The particles react to generate a liquid phase, a sintering layer is formed at the high temperature of molten steel, and the self-opening rate of the nozzle of the steel ladle is improved by preventing the stuffing sand at the nozzle material from being sintered.

The invention relates to the technical field of underground mining methods, and provides a thin vein group step-by-step efficient continuous stoping method which is used for collecting ore bodies in an ore block, the ore block comprises at least two ore bodies, the ore bodies are vertically arranged, a stone clamping layer is arranged between every two adjacent ore bodies, and the first ore body, the stone clamping layer and the second ore body in the ore block are sequentially arranged. Comprising the following steps that S10, a first ore body is mined, and a first goaf is formed; s20, blasting the stone clamping layer part, and filling the first goaf with broken stones obtained by blasting; and S30, a second ore body is mined. By means of the technical scheme, the problems that in the prior art, the mining efficiency of the steeply-inclined thin vein group containing the multi-layer clamping stone is low, and large-scale automatic mechanical equipment is difficult to apply are solved.

The invention provides a method for preparing Bayer stone based on a high-alpha-k sodium aluminate solution, and belongs to the field of aluminum oxide preparation. The method comprises the following steps: adding a morphology regulating agent into a sodium aluminate solution with set alpha k to obtain a mixed solution; introducing a mixed gas with a set CO2 volume concentration into the mixed solution to perform a carbonation reaction under a set condition, and obtaining Bayer stone slurry when a reaction system of the carbonation reaction reaches a set NK concentration; and carrying out solid-liquid separation on the Bayer stone slurry to obtain the Bayer stone. The method comprises the following steps: firstly, adding a morphological regulating agent into a sodium aluminate solution to regulate the growth process and morphological characteristics of crystals so as to reduce crystal defects and impurity content; secondly, the carbonation reaction rate and the product composition are controlled by controlling the carbonation reaction conditions; and finally, by accurately controlling the end-point caustic alkali concentration, the mixing of impurities in the forming process of the Bayer stone can be reduced, so that a high-purity Bayer stone product is obtained.

The utility model discloses a fuel oil supply conversion device with a time delay function, and belongs to the field of fuel oil supply of internal combustion engines. The fuel oil supply conversion device comprises a conversion valve, a first electric actuator and a second electric actuator, the conversion valve comprises a valve body, a first valve element and a second valve element, the valve element is provided with a valve element channel and a plurality of valve element holes communicated with the valve element channel, the two valve elements are respectively connected with one electric actuator, and the first electric actuator is connected with the second electric actuator. The delay switching of the oil return three-way oil way can be controlled, so that the fuel oil in the oil return pipe returns to the oil tank of the corresponding mark, and the fuel oil mixing is reduced. Moreover, the valve core realizes the conversion between the oil return three-way oil way and the oil suction three-way oil way through the valve core channel and the valve core hole, compared with a three-way ball valve, the conversion valve is simpler in structure, convenient to manufacture and better in valve body sealing performance, the inlet and outlet positions of the conversion valve are more flexible, and the conversion valve can be additionally arranged on the existing heating sensor for use.

The invention provides a water and fertilizer integrated automatic irrigation device, and particularly relates to the technical field of irrigation appliances, the water and fertilizer integrated automatic irrigation device comprises a base plate, a controller is fixedly mounted on the upper surface of the base plate, a fertilizer pump is fixedly mounted on one side, close to the controller, of the upper surface of the base plate, and a fertilizer mixing barrel is further fixedly mounted on the upper surface of the base plate; after one half of the filter screen filters for a period of time, the filter screen is automatically driven to horizontally move, so that one half of the filter screen without impurities on the surface is automatically replaced to a use position, the filter screen can have a continuous and effective filtering effect, impurities accumulated on a flowing path of a water source can be reduced, and the service life of the filter screen is prolonged. The filter screen can filter impurities in a water source, so that the effectiveness of filtering the impurities in the water source by the filter screen is improved, the effectiveness of fertilizer and water mixing is guaranteed, the situation that granular stones in water block branch pipes or irrigation pipes, and consequently follow-up fertilizer irrigation is uneven is avoided, and physical damage to root systems of crops after large granular impurities in water enter soil can be reduced.

The invention provides a nanometer coating drying device, and relates to the technical field of coating drying, the nanometer coating drying device comprises a tower body and a vertical spiral conveyor, the lower part of the tower body is provided with a bottom plate, the vertical spiral conveyor comprises a material conveying pipe and a rotating shaft, a conical flow guide cover is arranged between the material conveying pipe and the bottom plate, and the upper part of the flow guide cover is connected with a separation cylinder; a blanking channel is reserved between the lower end of the separation cylinder and the flow guide cover; a spiral flow guide plate is arranged on the inner wall of the separation cylinder, and a disperser is mounted on the rotating shaft. The bottom feeding mode is adopted, so that intersection of to-be-dried nano paint entering the tower body and dried nano paint rising along with hot air can be reduced, collision and adhesion of the to-be-dried nano paint and the dried nano paint are reduced, hindering of the dried nano paint rising along with the hot air is reduced, the situation of excessive drying of the nano paint is reduced, and the drying efficiency of the nano paint is improved. And meanwhile, the to-be-dried nano-coating and the dried nano-coating can be isolated through the physical separation effect of the separation barrel, and the drying uniformity can be improved.

The fire blanket device for the electric vehicle charging station comprises a fireproof cloth body and a plurality of energy storage bags, the energy storage bags are arranged in the fireproof cloth body and are mutually spaced, so that a plurality of spaced bulge parts are formed in the fireproof cloth body, and openings communicating with the energy storage bags are formed in the fireproof cloth body; and a combustible layer is arranged in the energy storage bag. The multiple energy storage bags are additionally arranged in the fire blanket, combustible structures are arranged in the energy storage bags, combustion reaction can be generated under the high temperature of open fire or a heat source, and the fire blanket is essentially characterized in that consumption of oxygen around the fire blanket is accelerated, mixing of the oxygen and combustible gas generated by thermal runaway of a battery is inhibited, and the fire extinguishing and blocking effects are achieved; the method is suitable for the scene of rapid fire development of the electric vehicle charging station.

The invention belongs to the technical field of aviation composite material forming machining, and discloses a large-curvature fairing type composite material workpiece forming device and method.The device comprises an upper core mold forming mold, a lower core mold forming mold, a lower core mold forming mold, a lower core mold forming mold and an upper core mold forming mold, and the molded surface of the upper core mold forming mold is designed and manufactured based on the outer molded surface of a product; the molded surface of the product forming die is designed and manufactured based on the inner molded surface of the product, and the upper core die and the product forming die are matched for use to form the product. The technical problems of surface wrinkling, fiber buckling, sinking and the like of the aerodynamic shape surface of the composite material part of the large-curvature fairing are solved. And the surface quality of the product is ensured, and the defects of wrinkles, fiber buckling, sinking and the like are reduced and eliminated.

The present invention discloses a multi-stage separation drying and dehydrating machine for particulate materials, which solves the technical problems of high energy consumption, poor operation stability and easy damage to materials in existing dehydrating machines. The technical scheme includes a vertical shell and a driving device, wherein the top of the shell is provided with a feed port and the bottom is provided with a discharge port and a drain port, the center of the shell is vertically provided with a rotating shaft connected to the driving device, and one or more stages of drying and dehydrating units connected in series are provided along the axial direction of the rotating shaft, the uppermost drying and dehydrating unit is connected to the feed port, and the lowermost drying and dehydrating unit is connected to the discharge port; the drying and dehydrating unit includes a distribution plate mounted on the rotating shaft and a lantern-shaped filter mounted on the outer periphery of the distribution plate, and the lantern-shaped filter is fixed in the shell via a fixing member. The present invention has a simple structure, low energy consumption, little material damage, a high product qualification rate, good dehydration effect and good operation stability.

The semiconductor pressure reducing valve comprises a valve body, a rear cover, a lock nut and a handle, the tail end of an inlet channel of the valve body is arranged to be of a reducing opening structure, a valve body is arranged in the inlet channel, the upper portion of the valve body is connected with a valve body valve rod, and the upper end of the valve body valve rod is fixedly connected with the bottom of a membrane head connecting block; a spring pressing block, a buffer spring, a diaphragm head, a diaphragm pressing block and a diaphragm are sequentially arranged in the rear cover from top to bottom, the outer periphery of the diaphragm is fixed between the diaphragm pressing block and the upper end of the valve body, the inner periphery of the diaphragm is fixedly connected with the lower portion of a diaphragm head connecting block, and the upper portion of the diaphragm head connecting block is fixedly connected with the bottom of the diaphragm head. By improving the structure of the valve body, a spring on the lower portion of the valve body is omitted, and it is guaranteed that a medium channel is closed in a non-working state by means of fixed connection of the membrane head connecting block and the valve rod of the valve body; opening of the medium channel is guaranteed by rotating the handle and pressing down the valve rod of the door body, the dead volume in the medium channel is greatly reduced, the problems of gas residue and adsorption are solved, and favorable conditions are provided for meeting the requirement for gas cleanliness.

The present invention provides an integrated water and fertilizer automatic irrigation device, which specifically relates to the technical field of irrigation tools, and comprises a base plate, wherein a controller is fixedly mounted on the upper surface of the base plate, a fertilizer pump is fixedly mounted on the side of the upper surface of the base plate close to the controller, and a fertilizer mixing barrel is also fixedly mounted on the upper surface of the base plate; after one half of the filter screen has filtered for a period of time, the filter screen is automatically driven to move horizontally, so that the one half of the filter screen without impurities attached to the surface is automatically replaced to a use position, thereby ensuring that the filter screen can have a continuous and effective filtering effect, reducing the accumulation of impurities on the flow path of the water source, and improving the effectiveness of the filter screen in filtering impurities in the water source, thereby ensuring the effectiveness of fertilizer-water mixing, avoiding the blockage of branch pipes or irrigation pipes by granular stones in the water, resulting in uneven subsequent fertilizer irrigation, and reducing the physical damage caused to the root system of crops by large granular impurities in the water after entering the soil.

The invention relates to the technical field of battery lamination, in particular to lamination equipment of a soft package lithium battery, which comprises two diaphragm winding mechanisms suitable for winding and unwinding diaphragms; the positive electrode thermal compounding mechanism is positioned on one diaphragm winding mechanism, is arranged along the diaphragm feeding direction and is used for compounding a positive electrode plate and a diaphragm into a positive electrode semi-composite part; the positive electrode plate feeding mechanism is used for conveying a positive electrode plate to the positive electrode thermal compounding mechanism; the negative electrode thermal compounding mechanism is located on the other diaphragm winding mechanism and arranged in the diaphragm feeding direction, and a negative electrode piece and the diaphragm are compounded into a negative electrode semi-composite part; the negative electrode plate feeding mechanism is used for conveying a negative electrode plate to the negative electrode thermal compounding mechanism; the thermal laminating mechanism is used for laminating the positive electrode semi-composite part and the negative electrode semi-composite part to form a complete composite part; a pressure sensor is arranged in the hot laminating mechanism; the hot laminating mechanism is provided with a first dust sticking roller and a second dust sticking roller, a first static electricity eliminator is arranged beside the first dust sticking roller, and a second static electricity eliminator is arranged beside the second dust sticking roller.

The invention relates to the technical field of detection devices, and discloses a green and environment-friendly soil remediation detection sampling device which comprises a center shaft, the outer wall of the center shaft is fixedly connected with a protection mechanism, the outer wall of the protection mechanism is in threaded connection with a baffle, and the bottom of the protection mechanism is rotationally connected with a spiral blade. The top of the inner wall of the protection mechanism is rotationally connected with an excavating mechanism, the bottom of the inner wall of the protection mechanism is fixedly connected with a fixing mechanism, the device can test whether stone exists in soil or not, the soil is scattered, large stone blocks are pushed away, the earth cutting work of the earth cutting assembly is facilitated, and meanwhile the device is prevented from being clamped by the stone blocks or affecting the earth taking quality; the possibility that the device is damaged by stones is reduced, the doping of the stones is reduced, the soil sampling quality is improved, the filtered soil is mixed, the detection cost is reduced, four parts of soil are taken at the same sampling point and mixed, the four parts of soil do not need to be taken out respectively and then mixed, the test workload is reduced, and the test efficiency is improved.

The utility model discloses an integrally-formed pouring chute which comprises a chute metal outer frame and a refractory lining arranged on the inner periphery of the chute metal outer frame, and the surface of the refractory lining is at least coated with a refractory coating for two times. One end of the chute is a molten iron receiving end, the other end of the chute is a molten iron pouring end, the middle of the chute is a long-strip-shaped chute section, the section size of the long-strip-shaped chute section is smaller than that of the molten iron receiving end or the molten iron pouring end, and a vertically-through pouring opening is formed in the bottom of the molten iron pouring end. And a high-temperature-resistant filter screen is arranged above the sprue gate. The integrally-formed chute for pouring is simple in structure, good in strength and stability and excellent in fire resistance, a long molten iron flowing channel can be formed between a casting cavity and a ladle, molten iron can flow into the casting cavity conveniently, and beneficial conditions capable of being poured are provided for the environment where direct pouring of the ladle or multi-ladle pouring production is inconvenient.

The utility model relates to the field of lithospermum oil production equipment, and discloses a lithospermum oil filtering and extracting device which comprises a protective shell, an extracting tank is arranged in the protective shell, a part of the extracting tank extends out of the top of the protective shell, a filter sieve is detachably placed in the extracting tank, and a heating device is arranged at the inner edge of the extracting tank. According to the lithospermum oil extraction device, the problems that existing lithospermum oil extraction is impure and the oil yield is low during extraction are solved, all mixed materials can be better filtered for multiple times through the extraction tank and the filter sieve, meanwhile, the extraction purity is higher, the oil yield can be better increased through the arranged heating device, and the oil yield is higher.

The invention discloses separation equipment for recycling lithium battery positive and negative electrode disassembly waste, and relates to the technical field of waste sorting, the separation equipment comprises a feeding cylinder and a discharging cylinder, the discharging cylinder is provided with two cavities, a connecting ring is connected between the feeding cylinder and the discharging cylinder, the middle of the interior of the connecting ring is fixedly connected with a conical filtering disc and a plane filtering disc, and the conical filtering disc and the plane filtering disc are fixedly connected with the discharging cylinder. The conical filtering disc is located above the plane filtering disc, the plane filtering disc is located above one cavity of the discharging barrel, the feeding barrel and the discharging barrel are in bolted connection through at least two connecting threaded frames and nuts, and the connecting ring is fixedly connected with at least two vibrators. Through the separation pipeline and the suction device, the negative electrode materials on the conical filtering disc and the plane filtering disc can be effectively adsorbed, the negative electrode materials are prevented from being sieved and falling off along with the positive electrode materials, the separation precision of the positive electrode materials and the negative electrode materials is remarkably improved, and impurities in a mixture are reduced.

The invention relates to the technical field of air conditioning equipment, in particular to an air treatment air cabinet. The air handling air cabinet comprises a shell, an air duct is arranged in the shell, and the air duct comprises an air return channel, a heat exchange channel and an air supply channel which are sequentially arranged in the air flow direction; the air return channel and the air supply channel are arranged side by side in parallel, so that the air channel is of a U-shaped structure. The heat exchanger comprises a filter module, a heat exchange module, a fan module and a silencing module. According to the embodiment of the invention, the air duct is arranged to be of the U-shaped structure, so that the flowing path of air in the air cabinet is more reasonable, the air flowing resistance is reduced to a certain extent, and the air treatment efficiency is improved. Due to the fact that the filtering module is mainly installed in the air return channel, the space occupied by the filtering module is sufficient, under the condition of the same air passing area, the filtering module can be thicker, the whole unfolded filtering area is larger, the service life is longer, and the replacement period of the filtering module is greatly prolonged.

The invention relates to the field of gas detection, and discloses an electronic nose device with double gas inlet channels and a gas detection method. A filter, a double-cavity air inlet shell with a front-narrow rear-wide structure and a sensor annular placing hole, an air flow guide structure, a sensor array and an air exhaust shell are manufactured in a 3D printing mode; the sensor array is fixedly connected with the gas flow guide structure; the outer wall of the gas guide device is in contact with the inner wall of the gas inlet shell and is fixed in a magnetic attraction manner; the air exhaust shell is connected with an air pump through a rubber tube; the gas inlet shell and the gas exhaust shell are spliced together in a stepped mode, the purpose of detaching and replacing the sensors can be achieved, and through unique sensor combination and an advanced data processing algorithm, the components and concentration of target gas can be rapidly recognized and quantitatively analyzed. According to the invention, the contact time of the gas and the sensor is prolonged while rapid suction of the gas is guaranteed, and efficient and accurate detection of various different types of gas is realized.

The invention relates to the technical field of acetylene recovery treatment, in particular to a device and a method for recovering acetylene in acetylene glycol synthesis tail gas, the device comprises three condensation bodies, each condensation body comprises a condensation body, an upper seal head and a lower seal head, the top of each upper seal head is provided with a gas outlet, the bottom end of each lower seal head is provided with a liquid outlet, and the liquid outlet is communicated with the gas outlet. A condensation pipe is arranged in the condensation body; a rotating shaft is arranged in the condensation body in the axis direction, and an opening-closing assembly is installed at the top of the rotating shaft. A turntable is fixedly mounted at the bottom of the rotating shaft, a cofferdam is arranged on the turntable, a plurality of push-bearing plates are uniformly distributed on the inner wall of the cofferdam, and filter holes are formed in the bottom of the turntable; an air inlet pipe is mounted on the condensation body, the air inlet pipe is parallel to the tangent plane of the condensation body, and a pipe opening of the air inlet pipe faces the push bearing plate; according to the device and the method provided by the invention, components in the tail gas are fully separated, impurities are removed, direct use is facilitated, and the cost is saved; other substances contained in the acetylene are reduced, and the recovery purity of the acetylene is enhanced.

The invention relates to the technical field of fuel cells, and particularly discloses a preparation method of a fuel cell graphite composite plate and the graphite composite plate prepared by the preparation method. The preparation method of the fuel cell graphite composite plate comprises the following steps: S1, raw material granulation: weighing 201 + / -10 parts of graphite composite powder, uniformly spreading the graphite composite powder on a flat plate, drying at 90-150 DEG C for 10-30 minutes, cooling, and crushing to prepare composite powder particles with the particle size of 200 + / -100 meshes; and S2, uniformly spreading the prepared composite powder particles in a mold, carrying out low-pressure prepressing during mold pressing, carrying out secondary material distribution on a gas flow field side, and finally carrying out hot press molding to prepare the fuel cell composite graphite plate. The graphite composite plate for the fuel cell can be used for preparing the fuel cell, and has the advantages of low contact resistance with carbon paper and high conductivity; in addition, the preparation method has the advantages that material distribution is convenient, and the adverse effect of contact resistance of the composite plate and the membrane electrode on the performance of the fuel cell is reduced.

The invention relates to the technical field of trichosanthes kirilowii maxim processing equipment, in particular to a trichosanthes kirilowii maxim seed quality screening intelligent separation device which comprises a base, a screening outer barrel is fixedly connected to the top of the base, a perforated plate is installed in the screening outer barrel, and a blowing pipe with one end extending into the screening outer barrel is arranged on the outer side of the screening outer barrel; the outer portion of the screening outer barrel is sleeved with a drying assembly, a feeding assembly is installed at the top of the screening outer barrel, and a discharging opening is formed in one side of the screening outer barrel. The drying assembly comprises an annular box which is arranged outside the screening outer barrel in a sleeving mode and provided with an opening in the inner side, a plurality of air inlets are formed in the outer side of the screening outer barrel, a rotating rod is rotationally connected to the bottom of the inner side of the annular box, the interior of the rotating rod is hollow, and a rotating air supply assembly is installed on one side of the rotating rod. The problems that existing trichosanthes kirilowii maxim seed screening equipment cannot guarantee the drying degree of trichosanthes kirilowii maxim seeds, and the situation that broken trichosanthes kirilowii maxim seeds with large water content are mixed into full trichosanthes kirilowii maxim seeds is reduced are solved.

The invention discloses an electrolytic manganese crushed manganese recycling process and a system thereof, and aims to recycle crushed manganese in an efficient and environment-friendly manner. The process comprises the following steps: mixing crushed manganese, scrap iron and a desulfurizing agent, adding into a direct-current electric arc furnace, smelting by utilizing direct current, and realizing desulfurization and uniform components by controlling electrode voltage and current intensity. In the smelting process, sampling analysis is conducted regularly, smelting parameters are adjusted according to results, and product quality is ensured. And after smelting is finished, cooling is conducted by controlling the flow speed and temperature of cooling water, and cracks or other defects are avoided. The system comprises a mixing device, a direct-current electric arc furnace, a tapping device and a cooling system, the direct-current electric arc furnace is a four-electrode cycle automatic reversing direct-current electric arc furnace and is provided with a water cooling system and an electrode sealing guide device, and the stability and safety of the smelting process are ensured. In addition, the system further comprises a collecting tank used for recycling dust, and environmental pollution is effectively reduced.

The invention discloses a portable rice and wheat combine harvester which is mainly used for scientific researchers to collect a small amount of rice and wheat or similar crop samples. The device comprises a harvesting part, a threshing and cleaning part, a backpack type negative pressure storage part and a power system. The harvesting part is used for shifting rice and wheat ears into the cutting mechanism through an ear shifting mechanism to cut off ear stems and sending the ear stems into the threshing and cleaning part, the threshing and cleaning part is used for threshing and cleaning the ears through a rotating threshing roller and a fan, and the backpack type negative pressure storage mechanism is used for extracting threshed and cleaned grains through a fan and a conveying hose, removing impurities and storing the grains. The device is compact in structure, light in weight and convenient to carry, disassemble, assemble and clean through modular design, and meets the sampling requirements of various crops. The equipment is simple to operate, can efficiently complete the whole process of harvesting, threshing and storing, is high in sample purity and cleanliness, is low in loss, remarkably reduces the labor intensity, improves the working efficiency, and can be widely applied to the fields of agricultural scientific research, breeding tests, germplasm resource protection and the like.

The present invention discloses a bag opening machine. The bag opening machine includes a conveyor belt, an auxiliary crushing knife, an upper knife group, a film separator, a positive and negative pressure separator and a lower frame; an upper cover assembly is installed above the lower frame and a material chute is installed below the rear end discharge port, and a wind nozzle is provided above the rear baffle of the material chute; the conveyor belt is distributed in two main beams, and a plurality of auxiliary crushing knives are installed in a rectangular array on the scale plate of the conveyor belt; the knife holder of the upper knife group is connected to the inner wall of the upper cover assembly, and a plurality of upper bag opening knives are connected at equal intervals under the load chain, and the upper bag opening knives and the lower auxiliary knives cooperate with each other to tear and cut the packaging bag in two directions; the film separator is located at the front open end of the material chute, and the film separator recycles large pieces of film and crushes the unfinished bags for a second time, and the positive and negative pressure separator is located below the film separator, and the positive and negative pressure separator recycles small films. The present invention has the effects of fast automatic bag breaking speed, good bag breaking effect, and effective film recovery.

The present invention discloses a zebrafish temperature-sensitive behavior trajectory monitor and monitoring method, which is provided with a monitoring box, the inner bottom surface of which is provided with a heating box, and the interior of the monitoring box is provided with a warm zone, a normal temperature zone and a low temperature zone from left to right, respectively, and a monitor is installed on the outside of the monitoring box; a box cover is clamped and arranged on the top of the monitoring box, and a fan is installed on the upper end surface of the box cover; it includes: a fixed pipe, the top of which is fixedly connected to the bottom of the fan, and the sides of the fixed pipe are connected to each other through a connecting pipe and a supporting block; a partition plate is fixed inside the monitoring box and serves to separate the warm zone, the normal temperature zone and the low temperature zone, and the two ends of the partition plate are provided with fixed cavities, and a connection channel is reserved inside the partition plate. The zebrafish temperature-sensitive behavior trajectory monitor can reduce the mixing between water flows in different areas by partitioning the inside of the monitoring box and realizing heat insulation of adjacent partitioned areas, thereby improving the accuracy of monitoring data.

The invention belongs to the technical field of water electrolysis hydrogen production, and provides a hydrolysis hydrogen production diaphragm, a preparation method thereof and a water electrolysis hydrogen production device, the hydrolysis hydrogen production diaphragm comprises a substrate and a catalyst layer arranged on at least one side surface of the substrate, and the catalyst layer is used for catalyzing the reaction of hydrogen and oxygen. The catalyst layer is arranged on the surface of the diaphragm, and when hydrogen enters the anode side or oxygen enters the cathode side, the hydrogen and the oxygen can be subjected to catalytic reaction at the catalyst layer, so that the mixing of the hydrogen and the oxygen in the hydrolysis hydrogen production process is reduced, and the safety of the hydrogen production process is improved.

The application belongs to the technical field of intelligent service robots, and relates to a home maintenance robot with omni-directional movement and electromechanical cooperative posture control, which comprises an omni-directional chassis, a multi-degree-of-freedom mechanical arm module, a capsule type modular intelligent material supply cabin, an environment sensing and interaction head module, a sensor group and a main controller. The chassis is driven by Mecanum wheels and motors; the material supply cabin comprises an annular cabin body assembly, a plurality of capsule cabins, a central feeding channel, a lifting feeding platform, a platform lifting driving mechanism, a cabin door opening mechanism, a discharging channel and a magnetic guide mechanism. The device can realize standardized classified storage of small standard parts, automatic cabin selection, single capsule release, central receiving and magnetic discharging, thereby reducing the risk of standard part scattering, mixing and jamming; effectively improving the passability of the robot in unstructured terrains such as carpets, doorsteps and slopes, avoiding the imbalance of the center of gravity when the mechanical arm extends for operation, and being compact in structure and suitable for daily maintenance of household items in single-family homes.

The utility model relates to the field of polyurethane pouring, in particular to a polyurethane scraper forming device which comprises a base, a vertical injection hole is formed in the base, a forming hole is formed in the base, the upper end face of the injection hole is higher than the upper end face of the forming hole, and a connecting hole communicating the bottom of the forming hole with the bottom of the injection hole is formed in the base. The polyurethane scraper casting mold has the effect of reducing bubbles in the mold in the polyurethane scraper casting process.