299results about How to "Outflow smoothly" patented technology

The invention relates to the technical field of spreading devices, and discloses a uniform spreading device of a sheet machine for plastic tray production, which comprises supporting legs, a conveying table is mounted on the inner walls of the supporting legs, a mold is arranged at the top of the conveying table, a second fixing plate is fixedly connected to the rear parts of the supporting legs, and a discharging device is arranged on the right sides of the supporting legs. When material spreading is started, a plastic mold conveying table moves to a designated feeding position, then various plastic particles are added into a shell by a worker, and a rotating shaft rotates to drive a limiting roller to rotate, so that outflow of the plastic particles can be limited, too fast outflow of the plastic particles is avoided, and discharging can be more uniform; when the arc-shaped plate moves, the plastic particles on the surface of the mold can be scraped off, so that waste of the plastic particles can be avoided, and the excessive plastic particles can be recycled.

The invention relates to the technical field of glycerol triacetate preparation, in particular to an esterification phase splitter for preparing glycerol triacetate, which comprises a tower tray arranged in a rectifying tower, umbrella-shaped covers are uniformly distributed on the upper surface of the tower tray, and the tower tray comprises a movable tray, a fixed tray, a riser and an adjusting mechanism. By optimizing the structure of the umbrella-shaped cover and the design of the adjusting mechanism, the problems of a viscous layer and entrainment caused by high viscosity of glycerol triacetate are solved, by reducing the diameter of the bottom of the umbrella-shaped cover and reducing the comprehensive height of the overflow weir, the liquid flowing space is enlarged, the liquid retention time is shortened, and by forming an air inlet groove and an adjusting hydraulic oil cylinder, the liquid retention time is shortened. The gas-phase flow area is increased, gas-liquid contact is optimized, entrainment is reduced, through adjustment of the hydraulic oil cylinder, adaptation to the requirements of different reaction stages is achieved, the height of the downcomer is increased, and the flooding risk is reduced.

The invention belongs to the related technical field of electrocatalysts, and discloses a cross array electrocatalyst and a preparation method and application thereof.The preparation method comprises the following steps that a nickel net subjected to corrosion treatment is put into a corrosion solution to be subjected to heat preservation reaction for preset time, and then the cross array electrocatalyst is obtained, the electrocatalyst is provided with a nanosheet array structure which is mutually crossed and supported; wherein hydrochloric acid is used for carrying out corrosion treatment on the nickel net; the etchant solution is obtained by dissolving sodium thiosulfate pentahydrate, nickel chloride hexahydrate, ferrous chloride tetrahydrate and sodium orthovanadate in an ethylene glycol solution. The catalyst prepared by the invention has a nanosheet array structure which is mutually supported in a crossed manner, and the special structure enables the catalyst to construct an ion confinement space, so that adsorption and enrichment of reactants on the interface of the catalyst are facilitated, a local reactant-rich environment is constructed, and excellent electro-catalytic oxygen evolution activity is shown.

The invention relates to the technical field of excrement recycling, and discloses a dehydration device for livestock farm excrement recycling and a dehydration method thereof.The dehydration device comprises a dehydration mechanism, the dehydration mechanism further comprises a screw extruder, the outer wall of the screw extruder is fixedly connected with a dehydration box, and the inner wall of the dehydration box is rotationally connected with a drum screen; feces are injected from the feed inlet in the top of the dewatering box, enter the dewatering box and flow into the drum screen, the drum screen descends along with entering of the feces, the drum screen makes contact with the starting switch in the descending process, the motor is started to drive the rotating rod to rotate, the drum screen is driven to rotate through the sliding block on the drum screen, liquid in the feces is thrown out, and the weight of the drum screen is reduced; when the drum screen rotates, solids in excrement are affected by centrifugal force to be close to the inner wall of the drum screen, meanwhile, the excrement is extruded by extruding the first drum, water in the excrement is separated, and therefore the excrement can be fully extruded in a spiral mode, and the dewatering effect of the excrement is ensured.

The utility model discloses a preserved fruit processing rapid sugar infusion device which comprises a vertical frame and a sugar infusion barrel, and a lifting piece is arranged in an inner cavity of the vertical frame; the stirring piece is arranged on the surface of the lifting piece, connecting pieces are arranged on the two sides of the sugar permeating barrel, and an overturning piece is arranged on the outer side of one connecting piece. After soaking is finished, the driving piece is started and can drive the sugar permeating barrel to rotate with the rotating rod as the axis, so that the top opening of the sugar permeating barrel rotates to be in a downward inclined state, fruits in the inner cavity of the sugar permeating barrel can flow out more smoothly under the action of gravity, and compared with a mode of manually taking out the fruits, the fruit soaking device is more convenient to use. According to the method, the labor cost can be saved, manual intervention can be reduced, part of syrup can be attached to the surfaces of the fruits and flow out along with the fruits due to the viscosity of the syrup, the syrup on the surfaces of the fruits is reserved to the maximum extent, the loss of sugar in the separation process is reduced, and therefore the sweetness and taste of the preserved fruits are ensured.

The invention relates to the technical field of TPE particle processing, and discloses automatic material taking and transferring equipment for TPE particle processing, which comprises a mechanical claw, the outer wall of the mechanical claw is rotatably connected with a rotating frame, the bottom of the rotating frame is fixedly connected with a fixed plate, the bottom of the fixed plate is provided with a shaking mechanism, and the bottom of the shaking mechanism is rotatably connected with a top plate. A stable grabbing assembly used for stably grabbing bagged TPE particles is arranged in the top plate, and a discharging assembly used for conducting side face cutting and discharging on the bagged TPE particles is arranged in the top plate. The multiple grabbing insertion rods are inserted into the bagged TPE particles through the sharp ends after rotating by 90 degrees, the weight of the bagged TPE particles can be more evenly shared, shaking and falling of the particles in the material taking process are reduced, and therefore the material taking stability is improved, the pressure on packaging bags is dispersed through the two-side insertion mode, and the packaging efficiency is improved. The risk that the packaging bag is broken or torn is reduced, and material leakage and waste can be reduced.

The invention belongs to the technical field of calcium silicate board production, and particularly relates to a plate-making forming device for improving the quality of a calcium silicate board blank, which comprises a rack, and a headbox, a felt belt, a breast roll, a forming roll and a cleaning box are mounted on the rack; a passing opening is formed in the cleaning box, the felt belt penetrates through the cleaning box from the passing opening, a guide roller is installed in the cleaning box, and the felt belt is in a U shape in the cleaning box; a water spraying plate is mounted in the cleaning box, and the felt belt is immersed below the liquid level in the cleaning box; a cleaning roller is installed in the cleaning box and makes contact with the lower surface of the felt belt, and the rotating direction of the cleaning roller is opposite to the moving direction of the felt belt. The cleaning device is simple in structure, the felt belt can be cleaned in an immersed mode in the cleaning box, the cleaning box is divided into a plurality of cleaning grids, the cleaning effect of the felt belt is improved, and slurry after cleaning is prevented from being attached to the felt belt again.

The invention relates to the technical field of manure treatment, and discloses a breeding manure pretreatment and separation device and a pretreatment method thereof.The breeding manure pretreatment and separation device comprises an extrusion mechanism, the extrusion mechanism further comprises a shell, the top of the shell is fixedly connected with a top plate, the side, away from the top plate, of the shell is fixedly connected with a bottom plate, and the bottom of the bottom plate is fixedly connected with a discharging pipe; liquid in the feces flows out through a plurality of through holes by squeezing the feces, solids in the feces are left between two squeezing plates, when the two squeezing plates get close to each other to squeeze the feces, the feces are squeezed to move upwards, and at the moment, the squeezing plates drive fixing blocks to move in the direction of a feeding pipe to force a sliding plate to slide in a first movable groove; and then gas in a first movable groove is extruded to enable a telescopic pipe to expand, a first arc-shaped sliding block and a second arc-shaped sliding block are driven to move downwards, downward pressure is applied to the top of the feces, and liquid in the feces can be more effectively separated from the feces in combination with extrusion of an extrusion plate on the two sides of the feces.

The invention belongs to the technical field of asphalt metering equipment, and particularly relates to a metering device for preventing rapid cooling of asphalt, the metering device comprises a workbench, and an outer cylinder, a weighing scale and a material conveying structure which are respectively mounted on the workbench, a weighing barrel is placed at the upper end of the weighing scale, and an inner cylinder is fixedly mounted on the inner bottom wall of the outer cylinder; a resistance wire is mounted on the inner wall of the outer barrel and used for heating asphalt in the inner barrel, and a stirring assembly is mounted in the outer barrel and used for uniformly heating the asphalt in the inner barrel; by means of the precisely designed stirring assembly, asphalt in the inner barrel can be heated more evenly. The stirring piece is driven by the rotating rod I to go deep into the asphalt for full stirring, so that the problem of non-uniform heat distribution is effectively avoided; the uniform heating mode not only improves the heating efficiency of the asphalt, but also remarkably reduces the negative influence on the later weighing accuracy caused by non-uniform heat, and ensures the accuracy and consistency of asphalt treatment.

The invention provides a fluid supply cup cover and a fluid supplier, the fluid supply cup cover comprises a cover body with one end being a liquid inlet and the other end being a liquid outlet, the side wall of the cover body extends from the liquid inlet to the liquid outlet, the corresponding part of the liquid inlet is used for being connected with a cup body of a fluid supply cup, the side wall extends at the liquid inlet to form a barrel-shaped wall, and the barrel-shaped wall is provided with a liquid outlet. The extension surface of the barrel-shaped wall is parallel to the axis of the liquid inlet to form a parallel flow guide direction; an included angle is formed between the extending surface of the side wall between the liquid inlet and the liquid outlet and the axis of the liquid outlet, and the extending surface of the side wall forms an inclined flow guide direction, and is characterized in that a filter is arranged on the cup cover, a filtering area parallel to the flow guide direction and perpendicular to the filter is arranged on the liquid inlet side of the filter, and a filtering area parallel to the flow guide direction and perpendicular to the filter is arranged on the liquid outlet side of the filter. An included angle is formed between the inclined diversion direction and the filter area of the filter. It is guaranteed that the maximum gravity decomposition force is obtained in the flow guide direction, paint can overcome the resistance of the filter screen conveniently, the paint passing through the filter screen keeps a certain flow speed, and the liquid supply amount is guaranteed.

The large-size wafer chemical cleaning fluid supply valve comprises a main cavity with an inverted L-shaped flow channel, an on-off valve seat combined on the main cavity, and a backwashing valve seat combined below the main cavity. One end of a piston rod of the on-off valve seat is connected with a double-conical-surface main valve head corresponding to the liquid supply inlet, and one end of a floater of the backwashing valve seat is connected with a self-balancing valve head and is provided with a sealing surface and a reverse conical surface corresponding to the backwashing opening; when the valve is opened, inlet fluid pressure acts on the reverse conical surface, and the backwashing opening is automatically closed; dynamic reduction of inlet fluid pressure enables the self-balancing valve head to naturally float on the horizontal part of the inverted L-shaped flow channel; when the valve is closed, the pressure of backwashing fluid acts on the sealing surface of the self-balancing valve head, and the backwashing opening is automatically opened; in the process of chemically cleaning large-size wafers, valve damage can be reduced, and supply cutoff can be avoided.

The utility model discloses integrated furnace eye opening and blocking equipment suitable for industrial silicon smelting, which comprises a track walking platform, a three-dimensional lifting platform capable of rotating, lifting and translating is arranged on the track walking platform, and the three-dimensional lifting platform is fixedly connected with a furnace eye opening and blocking mechanism; by arranging the furnace hole opening and blocking mechanism, the furnace opening mechanism and the furnace blocking mechanism are integrated on one device, the technical problem that furnace hole opening equipment and furnace hole blocking equipment must be used in the discharging process of an existing high-temperature submerged arc furnace is solved, and the industrial silicon smelting efficiency is improved; by arranging the three-dimensional lifting platform, translation or rotation of the furnace hole opening and blocking mechanism in the X direction, the Y direction and the Z direction is achieved; by arranging the track walking platform, the furnace hole opening and blocking mechanism can freely move on the track outside the furnace body.

The invention relates to a refrigerant circulation system and a control method and device thereof, electronic equipment and a storage medium, the system comprises a refrigerant circulation subsystem and a liquid storage module, the refrigerant circulation subsystem comprises a first pressure pipeline and a second pressure pipeline, and the pressure of the first pressure pipeline is larger than that of the second pressure pipeline; the liquid storage module is connected with the first pressure pipeline through a first pipeline, and a liquid inlet valve is mounted on the first pipeline; the liquid storage module is connected with the second pressure pipeline through a second pipeline, a gas balance valve is installed on the second pipeline, and the gas balance valve is used for adjusting the flow speed of a refrigerant in the liquid storage module; the liquid storage module is connected with the second pressure pipeline through a third pipeline, and a liquid discharge valve is installed on the third pipeline. Therefore, the refrigerant amount in the refrigerant circulation system can be adjusted more accurately, and the energy efficiency of the refrigerant circulation system is improved.

The utility model discloses an eggshell breaking mechanism and an egg frying machine. The eggshell breaking mechanism comprises a supporting plate, a bracket installed on the supporting plate, a movable seat installed on the supporting plate, a driving unit, a driving assembly and two blades. A groove for placing poultry eggs is formed in the bracket, and an opening is formed in one side, facing the movable seat, of the groove; the two blades and the driving assembly are both installed on the movable base, and the driving assembly is used for driving the two blades to move so that the two blades can be drawn close to each other or opened. The driving unit is used for driving the movable seat to move between a first position far away from the bracket and a second position close to the bracket, and when the movable seat moves from the first position to the second position, the two blades mounted on the movable seat extend into the groove from the opening of the groove. According to the egg frying machine, the separation rate of egg liquid and egg shells is increased, and the efficiency of the egg frying machine is improved.

The utility model discloses efficient chemical raw material grinding equipment for chemical industry, which belongs to the technical field of chemical raw material processing and comprises a grinding tank, a supporting plate is mounted on the grinding tank, a feeding port is formed above the grinding tank, a first mounting plate is connected above the grinding tank, a feeding hopper is connected above the grinding tank, and a second mounting plate is connected above the feeding hopper. And a grinding plate is connected to the interior of the grinding tank, and a discharging pipe is connected to the lower portion of the grinding tank. According to the efficient chemical raw material grinding equipment for the chemical industry, large chemical raw materials are swallowed and crushed through two crushing wheels which rotate reversely, the size of the raw materials is reduced, the raw materials can smoothly enter the position between a grinding wheel and a grinding plate, a first motor can rotate a rotating shaft, and the grinding wheel can rotate in the grinding plate; and the raw materials crushed by the crushing wheel can be ground and refined by the grinding wheel more quickly and better, so that the grinding efficiency of the chemical raw materials is improved.

The utility model relates to an air inlet shunting structure capable of realizing multichannel uniform shunting, and belongs to the technical field of heat exchanger design. The device comprises a flange plate, a connecting pipe, an outer pipe, an inner pipe and a shunt pipe, the flange plate is connected with the connecting pipe; the lower portion of the outer pipe is provided with an outer pipe opening position used for being connected with the connecting pipe, the upper side of the outer pipe is provided with an outer pipe opening area, a row of outer pipe air outlet small holes are formed in the outer pipe opening area, and each outer pipe air outlet small hole is connected with a flow dividing pipe. An inner pipe opening position is arranged on the lower portion of the inner pipe and used for being connected with the connecting pipe, an inner pipe opening area is arranged on the side face of the inner pipe, and a row of inner pipe air outlet small holes are formed in the inner pipe opening area. According to the utility model, the air outlet is uniform, and the air outlet flow velocity consistency in the width direction is improved.

The invention relates to the technical field of chemical production equipment, and discloses a chemical raw material grinding device with an automatic cleaning function, which comprises a machine body as a support carrier of the whole device, and the outer side of the machine body is connected with a machine door through a hinge; the crushing assembly is mounted on one side of the top end of the machine body and is used for crushing the chemical raw materials; the fine grinding assembly is mounted on the upper surface of the machine body and used for grinding the crushed raw materials; and the knocking assembly is installed outside the smashing assembly and used for generating vibration on the fine grinding assembly. By additionally arranging the crushing assembly and then cooperating with the fine grinding assembly, chemical raw materials fall on the outer surface of an arc-shaped filter screen after being crushed, fine grinding of the chemical raw materials is achieved through reciprocating movement of a grinding roller, the chemical raw materials can be effectively treated to reach the needed particle size, repeated operation in a traditional grinding method is reduced, and the grinding efficiency is improved. And the overall processing efficiency is improved.

The invention relates to the technical field of steelmaking refining refractory materials, in particular to a composite long-service-life ladle nozzle pocket block for steelmaking refining and a preparation method of the composite long-service-life ladle nozzle pocket block. The ladle nozzle pocket block comprises a pocket block inner core, the inner core is cylindrical, a steel flowing hole is formed in the center of the inner core from top to bottom, the inner core comprises an upper inner core and a lower inner core which are aligned and matched, the upper inner core and the lower inner core are formed in a mechanical pressing mode, a pouring piece is arranged on the outer side of the inner core, the pouring piece is flush with the end face of the top of the inner core, and the upper inner core and the lower inner core are arranged in the pocket block inner core. The bottom of the pouring part extends towards the lower portion of the inner core, a mounting hole is formed in the center of the bottom of the pouring part, the diameter of the mounting hole is larger than that of the steel flowing hole, and the mounting hole and the steel flowing hole are coaxial. The service life of the ladle nozzle seating brick can be prolonged to 90 times or above, the use cost and the labor cost of ladle masonry refractory materials are reduced, and meanwhile the safety performance of online use of a ladle is improved.

The invention relates to the technical field of agricultural equipment, and discloses spectrum detection-based fertilizer application equipment which comprises a water tank, a filtering mechanism is arranged at the top of the water tank, the left side of the filtering mechanism is connected with the output end of a water suction pump through a pipeline, and a water suction pipe is arranged at the input end of the water suction pump; a plurality of fertilizer storage mechanisms are arranged on the rear side of the water tank at equal intervals, short pipes are arranged on the front sides of the fertilizer storage mechanisms, the short pipes are connected with the input end of an infusion pump through pipelines, the output end of the infusion pump is connected with a mixing mechanism through a pipeline, and the right side of the water tank is connected with the input end of a water delivery pump through a pipeline. The measuring assembly flexibly distributes water and fertilizer; the fertilizer storage mechanism stirs and prevents precipitation; the mixing mechanism ensures that the water and the fertilizer are uniform and can be cleaned after completion; the spraying assembly is quickly disassembled and is convenient to maintain and replace;

The utility model discloses a hollow spindle head and a spinning box, which relate to the technical field of textile, and comprise a central tube and a conical head which are coaxially arranged, the conical head is provided with an inner cavity and an upper opening communicated with the inner cavity; the central pipe is positioned in the inner cavity; one end of the central tube is fixedly connected with one end of the conical head, and the other end of the central tube extends out of the upper opening; the central pipe is provided with a through first central channel, and a lower end opening of the first central channel is used for allowing a straight fiber bundle to enter; a gas accommodating cavity is formed in a space between the inner wall of the inner cavity and the outer wall of the central pipe; the gas accommodating cavity is used for injecting gas; the outer side wall of the end, away from the upper opening, of the conical head is provided with a plurality of first rotating air channels. Gas located in the gas containing cavity flows out through the first rotating gas channels, and the rotating direction of the gas flowing out is the same as the rotating direction of rotating gas flow used for twisting on the outer side wall of the conical head. The maintenance cost of the hollow spindle head is reduced, a good twisting effect is guaranteed, and fiber wrapping is accelerated.

The utility model belongs to the field of sorting machines, and particularly relates to a scrap iron recovery device convenient for sorting, which comprises a base and an extended base, universal wheels are fixedly connected to the periphery of the lower surface of the base, the extended base is fixedly connected to the left side of the base, a sorting mechanism is arranged above the base, and a discharging mechanism is arranged above the extended base. The sorting mechanism comprises a buffer unit and a sorting unit; the buffering unit comprises a first supporting column, a spring, a second supporting column and a connecting block, the first supporting column is fixedly connected to the upper surface of the base, and the bottom of the spring is fixedly connected to the upper surface of the first supporting column. And through the screening disc, the vibration motor, the first screening net, the second screening net and other assemblies, the scrap iron can be effectively sorted. The scrap iron can slide on the screen and be separated under the action of the vibrating motor, and the scrap iron is divided into different sizes and grades according to the aperture size of the screen, so that the scrap iron is convenient to treat and utilize.

The invention discloses a method for smoothly tapping first-time iron during blow-in of a blast furnace. In the blow-in process of the blast furnace, a series of measures of controlling the granularity of bottom coke, controlling the coke ratio of the whole furnace and slag R, optimizing a sleeper filling mode, quickly opening an iron notch after air supply to eliminate a hearth gas circulation dead zone, setting a main channel sand dam to prolong the slag spraying time of the iron notch and the like are taken. By setting the control points, the heat exchange effect of the hearth and the coal gas can be effectively improved, the slag iron temperature can be effectively increased at the earlier stage of the same full-furnace coke ratio, molten iron is low in Si and S, the physical temperature is sufficient, the slag iron can flow out smoothly, water slag can be flushed through iron for the first time, and the cost is reduced. And the desulfurization cost of the subsequent steelmaking procedure and the slag outward transportation cost are greatly reduced, and the working intensity of a stokehold is greatly reduced.

The utility model discloses a lubricating oil storage barrel, which relates to the technical field of lubricating oil storage and comprises an oil storage barrel body, a top cover movably connected to the upper end of the oil storage barrel body, a liquid injection port mounted at the upper end of the top cover, a driven component mounted at the bottom end of the top cover and a rotating component mounted at the upper end of the top cover. The bottom end in the oil storage barrel body is rotationally connected with a rotating column through a rotating shaft, mounting grooves are symmetrically formed in the outer side wall of the rotating column, telescopic assemblies are mounted at one ends in the mounting grooves, mounting bases are symmetrically mounted on the outer side wall of the rotating column, and the other ends of the mounting bases are movably connected with scrapers. By the adoption of the structure, lubricating oil can flow out more smoothly, waste in the pouring process is reduced, the scraping plate can be tightly attached to the inner wall of the oil storage barrel, oil dirt and sediment remaining on the barrel wall are effectively scraped away, and therefore the oil storage barrel is more environmentally friendly. And meanwhile, the inner wall of the oil storage barrel can be prevented from being scratched or damaged by the scraping plate while oil stains are scraped, and the integrity of the oil storage barrel can be kept.

The utility model relates to an organic fertilizer raw material solid-liquid separation device which comprises a bottom plate, parallel side plates are arranged on the two sides of the bottom plate, a hole is formed in the bottom plate, a screen is arranged on the hole in a sealing mode, a baffle arranged in an up-down sliding mode is arranged at the position, at the edge of the hole, of one end of the bottom plate, and a pressing plate arranged in a sliding mode is arranged on the bottom plate. The pressing plate is close to or away from the baffle during sliding. According to the utility model, liquid substances and solid substances in organic fertilizer raw materials can be quickly separated, so that preparation is made for the next step of work.

The utility model discloses a juice transfer barrel capable of avoiding discharge residue, relates to the field of juice transfer barrels, and aims to solve the technical problem that part of pulp is deposited at the bottom of the barrel and cannot be discharged during discharge, the juice transfer barrel comprises a transfer barrel and a transmission device, the transfer barrel comprises a barrel cover, the transmission device comprises a bottom plate, a vertical plate is arranged on the bottom plate, and the vertical plate is arranged on the bottom plate. The vertical plate is provided with a first transmission wheel and a second transmission wheel, a transmission belt is arranged between the first transmission wheel and the second transmission wheel, the first transmission wheel is provided with a crank, a stirring rod is arranged in the transfer barrel, stirring blades are arranged at one end of the stirring rod, a first bevel gear is arranged at the other end of the stirring rod, and a second bevel gear is arranged on the barrel cover. The fruit juice extractor has the beneficial effects that the stirring blades are driven to rotate by shaking the crank with a hand, so that fruit pulp floats up, and the fruit pulp smoothly flows out along with fruit juice; and a plurality of transfer barrels can use one transmission device, so that the production cost is reduced.

The invention discloses an injection molding device for plastic product preparation, and relates to the technical field of injection molding devices. Comprising a base, and an injection molding module is arranged on the base; the fixing frame is fixedly connected to the upper side of the base; the discharging hopper is fixedly connected to the fixing frame, and the discharging hopper is used for conveying raw materials into the injection molding module; and the multiple guide shells are fixedly connected to the fixing frame through connecting pieces, the guide shells are provided with through holes and discharging openings, the interiors of the guide shells are rotationally connected with connecting shells, and the interiors of the connecting shells are provided with material storage shells. By changing the positions of the telescopic parts of the multiple material storage shells, the volume of the multiple material storage shells is flexibly adjusted, so that the proportion of various raw materials conveyed into the discharging hopper within the same time can be accurately controlled, additional operation steps are reduced, the adjusting process is simplified, the production efficiency is remarkably improved, and the production cost is reduced. And the whole process is quicker and smoother.

The utility model relates to the technical field of waterproof material production, in particular to a waterproof material production device which comprises a device frame, a conveying wheel arranged on the device frame, a conveying belt arranged on the conveying wheel, a forming platform arranged on the device frame, a grinding roller of waterproof paint arranged on the forming platform, a motor connected with the grinding roller, and a motor connected with the motor. A waterproof coating containing bin is further installed on the device frame and provided with a lower coating outlet, and the waterproof coating is conveyed forwards on the forming platform. A conveying roller driven by a motor is installed on the side face of the outflow opening, the motor is a conveying roller motor, the conveying roller operates to help the waterproof coating to flow out downwards from the containing bin, the conveying roller is provided with a center shaft, and the center shaft is arranged perpendicular to the front-back direction. And the length direction of the outflow port reaches the width direction of the forming platform. The device has the advantages that the amount of the waterproof coating flowing out of the outlet can be controlled, and the flowing-out waterproof coating is uniform.

The invention discloses an auxiliary oil return control system, an auxiliary oil return control method and a drilling machine in the technical field of engineering machinery, and aims to solve the problems that in the prior art, the pressure building phenomenon often occurs, danger is brought to work of the drilling machine, and the safety of the system is affected. The hydraulic system comprises a main valve and a pump, a port A of the main valve is connected with a rod cavity of a first oil cylinder and a rod cavity of a second oil cylinder at the same time, and a port B of the main valve is connected with a rodless cavity of the first oil cylinder and a rodless cavity of the second oil cylinder at the same time; the control assembly comprises a port P2, a port A1 and a port B, a port P of the pump is connected with the port P2, and a rodless cavity of the first oil cylinder and a rodless cavity of the second oil cylinder are both connected with the port A1; the port A1 and the port B of the control assembly can be communicated, so that part of oil in the rodless cavity of the first oil cylinder and the rodless cavity of the second oil cylinder flows into the oil tank through the control assembly, it is guaranteed that the oil flows out stably, the pressure building condition is prevented, and the stability and safety of the hydraulic system during working are guaranteed.

The utility model discloses a disc type oil refining tank which comprises a supporting seat, a tank body, a steam device, a circulating device and an oil outlet device, the steam device comprises a steam assembly, and the steam assembly is arranged on the supporting seat and connected with the tank body; the circulating device comprises a circulating assembly, the circulating assembly is arranged on the other side of the supporting seat, and the circulating assembly is connected with the tank body; the oil outlet device comprises an oil outlet assembly, one end of the oil outlet assembly is connected with the bottom of the tank body, and the other end of the oil outlet assembly is connected with the circulation assembly. Thus, refined grease can be finely filtered through the grease outlet device, it is ensured that pure grease smoothly flows out, and therefore the purity and quality of the grease are improved. And meanwhile, part of oil residues or residues are effectively recovered through the circulating device and are put into refining again, so that the waste of raw materials is reduced, and the production cost is also reduced.

The utility model discloses a liquid cooling plate which comprises an upper cover plate and a lower cover plate, and a main flow channel is formed between the upper cover plate and the lower cover plate; the water inlet nozzle is communicated with the water inlet of the main flow channel and is used for allowing a refrigerant to flow in; the water outlet nozzle is communicated with a water outlet, corresponding to the water inlet, of the main runner and is used for allowing a refrigerant to flow out; the heat exchange columns are arranged in the main flow channel, and the densities of the heat exchange columns in different areas in the main flow channel are different. According to the liquid cooling plate, the plurality of heat exchange columns are arranged, so that the structural strength of the liquid cooling plate can be enhanced, the contact area between a refrigerant and the flow channel wall can be increased, and the heat exchange efficiency is improved. Besides, the heat exchange columns with different densities are arranged in different areas, so that the flow distribution of the refrigerant in the flow channel can be optimized, the refrigerant is uniformly distributed, and the uniformity of the heat dissipation performance of the liquid cooling plate is improved.