8710results about How to "Avoid clogging" patented technology

The invention discloses an atmospheric particle early warning device for air pollution concentration monitoring, and belongs to the technical field of air particle pollutant monitoring, the atmospheric particle early warning device comprises an equipment main body fixedly mounted in a monitoring area, an alarm is fixedly mounted on the outer side of the upper part of the equipment main body, and a fixed pipe is fixedly mounted at the upper end of the equipment main body; a movable pipe is arranged on the inner side of the fixed pipe in a lifting mode, a sampling head is fixedly connected to the top of the movable pipe, a cleaning assembly driven through air pressure change is arranged on the inner side of the sampling head, a base is fixedly arranged on the outer side of the fixed pipe, and a movable plate is arranged on the inner side of the base in a lifting mode; and a backflushing cleaning assembly is connected between the movable plate and the base. The atmospheric particle early warning device for monitoring the air pollution concentration can collect gas samples at different height positions, and can automatically clean impurities attached to the outside of the filter screen and residual gas in a pipeline after sampling is finished, so that long-term and accurate monitoring of equipment is effectively ensured.

The invention discloses a double-color rubber coating injection molding mold and method based on automobile lamp mask machining, and relates to the technical field of mold double-color injection molding, the double-color rubber coating injection molding mold comprises an operation table, the top of the operation table is provided with an injection molding device used for injection molding, the double-color rubber coating injection molding mold further comprises a supporting base, the supporting base is arranged at the top of the operation table, and one side of the supporting base is rotationally connected with a rotating disc; three shaping grooves used for injection molding are formed in the side, close to the injection molding device, of the rotating disc. A switching mechanism on one side of the switching disc drives the switching disc to rotate, so that an ejection mechanism ejects out cut-off waste materials in an injection molding groove and cleans the injection molding groove, and when a model obtained after secondary injection molding rotates by 60 degrees along with a rotating disc, a push-out device is arranged in a shaping groove, the completed model is pushed out, and therefore the mold forming efficiency is improved. Therefore, circular machining of the automobile lamp mask is achieved, and the overall machining efficiency is improved.

The rotary cross-flow ceramic membrane filtering device comprises a shell, a main shaft unit arranged in the shell and a power unit for driving the main shaft unit to rotate, the power unit provides rotating power for the main shaft unit and drives the filtering disc to rotate, the main shaft unit is installed in the shell and executes a specific filtering task, and the shell provides necessary support and protection for the main shaft unit and the power unit and controls inflow and outflow of materials. According to the rotary cross-flow ceramic membrane filtering device provided by the invention, the ceramic membrane filtering disc is arranged, so that the filtering efficiency and the system stability are improved, the operation cost is reduced, and the rotary cross-flow ceramic membrane filtering device is suitable for being widely applied to various industrial fields needing efficient filtering solutions.

The present invention discloses a filler washing tower and a washing method, the filler washing tower is used for washing treatment of VOCs waste gas, and the filler washing tower comprises: a washing liquid pipe which is arranged at the axis position of the washing tower in a penetrating manner, vertically extends and is used for receiving a washing liquid from the outside of the tower; the washing liquid pipe is provided with a rotatable pipe section at the corresponding position of the filler layer; the spraying pipe assembly is composed of a plurality of spraying pipes with different lengths and is communicated with the rotatable pipe section, and a spraying opening of each spraying pipe is formed in the tail end of the pipe; the spraying pipes are arranged at intervals in the circumferential direction of the rotatable pipe section and are tangent to the rotatable pipe section; the spraying pipes with different lengths drive the rotatable pipe section to rotate through counter-acting force when spraying out the washing liquid, and annular partition covering of the washing liquid on the packing layer is formed. Rotation of the spraying pipe is achieved through spraying of washing liquid, and through annular partition covering of spraying, water saving can be achieved while the gas-liquid mass transfer efficiency is guaranteed, and external power consumption is not needed.

The invention discloses a water quality monitoring device and a monitoring method thereof, and relates to the technical field of water quality monitoring, the water quality monitoring device comprises a supporting plate, a buoyancy mechanism and a driving paddle, the buoyancy mechanism is arranged below the supporting plate, the driving paddle is installed on one side of the buoyancy mechanism, the water quality monitoring device further comprises a multi-parameter lifting water quality detection mechanism and a self-cleaning mechanism, the multi-parameter lifting water quality monitoring mechanism comprises a multi-parameter sensor group and a swing type filtering mechanism for protecting the multi-parameter sensor group, and the swing type filtering mechanism swings back and forth in the lifting process of the multi-parameter lifting water quality monitoring mechanism. Various water quality data can be monitored by means of the multi-parameter sensor group, after monitoring is completed every time, the swing cylinder swings in a reciprocating mode, the spray head is linked to wash the multi-parameter sensor group, meanwhile, the soft brush is linked to ascend and descend, the sensors are wiped, cleaning is achieved, and the influence on the accuracy of next water quality data collection is reduced.

The invention provides a CT acquisition control communication system and method based on hybrid networking of multiple communication modes. The CT acquisition control communication system comprises a CT stator part communication subsystem, a CT rotor part communication subsystem and a master control PC. The master control PC comprises an upper computer, is operated through a visual interface and is responsible for task scheduling, scanning protocol setting, parameter configuration, data processing, patient registration, working state monitoring and image reconstruction of the whole system; the CT stator part communication subsystem comprises a lower computer core control module, a first WIFI module, a first switch, a rack control module, a patient bed control module, a power management module and a control handle; and the CT rotor part communication subsystem comprises a data acquisition and pay-off control module, a second WIFI module, a second switch, a collimator control module and a detector data acquisition and processing module. According to the invention, the overall communication efficiency and stability of the CT system and the expandability of the communication network can be improved, and the later maintenance cost of the communication system is reduced.

The invention discloses an AGM separator slurry deslagging device, and belongs to the technical field of battery production, the AGM separator slurry deslagging device comprises a material barrel, a deslagging filter cylinder rotatably mounted in the material barrel, a slag bearing filter disc elastically connected in the deslagging filter cylinder, and a driving mechanism mounted at the bottom of the material barrel, a circle of wedge-shaped abutting block matched with the driving mechanism in an abutting mode is arranged at the bottom of the slag removal filter cylinder, a pressing ring is installed at the position, above the slag bearing filter disc, in the slag removal filter cylinder, the driving mechanism penetrates through the center of the slag bearing filter disc and is in threaded connection with the pressing ring, and the abutting braking piece is vertically and movably installed on the outer wall of the slag removal filter cylinder. One side of the abutting brake piece is located below the slag bearing filter disc, and a friction ring elastically abutting against the top of the abutting brake piece is installed on the inner wall of the material barrel. The residue-bearing filter disc is arranged to store and filter residues in slurry, and when the residues on the residue-removing filter disc are few, the driving mechanism can directly drive the whole residue-removing filter drum to rotate, so that the slurry in the drum is rapidly thrown out.

The invention provides an anti-hair loss composition containing cacumen biotae as well as a preparation method and application of the anti-hair loss composition, and belongs to the technical field of biological medicines. The anti-hair loss composition containing cacumen biotae comprises a cacumen biotae extract, a ginseng root extract, an eclipta prostrata extract, a polygonum multiflorum extract, a tea seed extract, a gleditsia sinensis extract, a mulberry bark extract, a cortex dictamni extract, a cnidium monnieri seed extract and a mint extract. All the components have a synergistic effect, and the shampoo has the effects of improving the greasy environment of scalp, preventing grease from blocking hair follicles, reducing the damage of inflammation to the hair follicles, inhibiting the activity of 5 alpha-reductase, improving the color and toughness of hair and the like, relieves alopecia seborrhoeica and achieves an anti-alopecia effect.

The vertical centrifugal discharging horizontal sand mill comprises a grinding rotor and a grinding cylinder, and a grinding block is arranged on the grinding rotor; an outlet of the grinding cylinder is formed in one side of the grinding cylinder and is communicated with a discharge hole of the horizontal sand mill; a separation pipeline is arranged between the outlet of the grinding cylinder and the discharge port of the horizontal sand mill, a first bulge is arranged on the inner wall of the separation pipeline, the first bulge is of a wavy structure with a plurality of continuous bulge parts, and the bulge parts closer to the discharge port of the horizontal sand mill are higher on the inner wall of the separation pipeline; a separation paddle is further arranged between the outlet of the separation pipeline and the discharge hole of the horizontal sand mill, the separation paddle comprises a paddle blade and a paddle hub used for mounting the paddle blade and driving the paddle blade to rotate, and the separation paddle endows the slurry with a vertically downward speed component through the paddle blade. According to the invention, ball leakage at the discharge port can be avoided by controlling the motion trail and speed of the material and the grinding medium, circulation of the grinding medium in the grinding cylinder is accelerated, and the grinding efficiency is improved.

The invention discloses a clean production process of a blended fertilizer, which comprises the following steps: preparing and selecting raw materials; performing primary granulation on different raw materials to obtain uniform granular raw materials; performing closed ventilation storage on the granular raw materials; proportioning and metering the granular raw materials; mixing and stirring; finally, packaging is carried out, 4-5 mm particles obtained after the raw materials are subjected to extrusion forming through a pair of rollers and subjected to primary granulation are consistent in appearance state, air in the raw materials is removed through extrusion, gaps are compressed, the density and specific gravity of the formed particles tend to be uniform, and the product quality is improved. Blending layering caused by particle size, density difference and different adsorption capacities cannot occur when the raw materials are blended, the blended compound fertilizer meets the international general blending fertilizer proportioning principle, the completely-homogenized blending fertilizer quality requirement can be met, the processing cost is saved, the production efficiency is improved, and the production cost is reduced. And the problem of caking of the raw materials is effectively solved.

The utility model provides a spraying device of a tail gas absorption tower, and belongs to the technical field of tail gas absorption towers. The spraying device of the tail gas absorption tower comprises the absorption tower, a spraying mechanism and a cleaning mechanism, the spraying mechanism comprises a circulating box and branch pipes, the circulating box is fixedly installed on the side wall of the absorption tower and communicated with the absorption tower, a first filter plate and a second filter plate are symmetrically installed in an inner cavity of the absorption tower, and the branch pipes are symmetrically installed in an inner cavity of the absorption tower. The bottoms of the branch pipes communicate with multiple sprayers. The cleaning mechanism is arranged, impurities in falling spraying water are filtered through a third filter plate, then the spraying water entering the circulating box is filtered again through a fourth filter plate, it is guaranteed that the impurities cannot enter the circulating box, the spraying quality is guaranteed, the rotating shaft is driven by the motor to rotate, and the cleaning efficiency is improved. And a first scraping plate is driven to scrape impurities on the surface of the third filter plate into a slag collecting groove for centralized collection, so that the third filter plate is prevented from being blocked, and cleaning is convenient.

The invention belongs to the technical field of water conservancy gates, and discloses a water conservancy project flood prevention gate, method and system.The water conservancy project flood prevention gate comprises two barrier gate cement foundations, an anti-blocking mechanism and a cleaning mechanism are arranged on the two barrier gate cement foundations, and the anti-blocking mechanism comprises door bodies arranged on the sides, close to each other, of the two barrier gate cement foundations; an electric gate is slidably mounted on the inner wall of the front face of the gate body, anti-blocking assemblies are arranged at the tops of the two barrier gate cement foundations correspondingly, the electric gate is driven by a motor to ascend and descend, and automatic reciprocating motion of a cleaning strip on a sliding frame is achieved through meshing transmission of a tooth groove and a gear and the combined design of a connecting rod mechanism; according to the filter screen cleaning device, impurities attached to the filter screen are effectively removed, the filter screen is prevented from being blocked, the cleaning efficiency and the automation degree are greatly improved, frequent manual intervention is not needed, the labor intensity is reduced, meanwhile, potential risks caused by blocking of the filter screen are reduced, and it is guaranteed that water flows smoothly.

The invention relates to the technical field of water permeable brick maintenance, in particular to a building water permeable brick production and maintenance device which comprises a bottom plate and a maintenance box, the maintenance box is fixed to the top of the bottom plate, an adjusting mechanism is arranged at the top of the bottom plate, a maintenance mechanism is arranged in the maintenance box, and the adjusting mechanism comprises a supporting seat fixedly arranged at the top of the bottom plate; a motor is mounted in the supporting seat, a circular groove is formed in the top of the supporting seat, a water pump is started, then water in the curing box enters a spray head from a water pipe, and then the water is sprayed to the water permeable bricks on the top of the conveying belt from the spray head, so that water spraying curing of the water permeable bricks is facilitated; the sprayed water flows to the bottom of the curing box from the first water leakage hole and the second water leakage hole and is filtered by the filter screen, and the filtered water enters the spray head again through the water pipe to be sprayed out under the action of the water pump, so that the cyclic utilization of the water is favorably realized.

The present invention relates to the field of grain transport technology, and in particular to an agricultural grain transport device, comprising a base, a shell fixedly installed on the top of the base, a feed hopper and a discharge hopper respectively arranged at both ends of the shell, a cylindrical screen arranged inside the shell, a refrigeration mechanism arranged inside the shell, a mounting plate fixedly installed on the side of the discharge hopper away from the shell, a motor fixedly installed on the top of the mounting plate, a rotating shaft fixedly connected to the output end of the motor, and a spiral hollow disk and a solid disk fixedly connected to the outer wall of the rotating shaft. The advantages are: the inside of the shell maintains a low temperature, the low temperature helps to increase the hardness difference between grain and impurities, improve the efficiency of impurity screening, reduce the stickiness between grains, ensure the smooth flow of grain, the screen effectively screens out impurities in the grain, improves the purity of the grain, pushes the grain in layers, prevents excessive accumulation of grain, and reduces the damage of grain due to friction and extrusion.

The invention belongs to the technical field of microorganisms, and particularly relates to a lactobacillus polyactis composition for improving skin as well as a derivative and application of the lactobacillus polyactis composition. The composition comprises a bacterial strain, a pure culture or an inactivated bacterium body of bifidobacterium bifidum Bbifid-1 (CCTCC NO: M2023349), bifidobacterium adolescentis Badol-1 (CCTCC NO: M 20242593), phytobacterium plantarum Lplan-4 (CCTCC NO: M 20242594) and lactobacillus acidophilus (BA05). The invention further relates to a preparation method of the composition. The lactobacillus plantarum derivative composition prepared through treatment modes of splitting decomposition, extraction, fermentation and the like can be used as an active ingredient of a medicine or a cosmetic, has remarkable effects of resisting oxidation and bacteria, especially resisting inflammation and inhibiting skin lipid accumulation aiming at propionibacterium acnes and staphylococcus aureus, is beneficial to fading skin red and swollen, avoids hair follicle blockage, and has a good application prospect. The obvious effect on the acne is realized.

The invention relates to the technical field of hardware machining, and discloses a drilling machine for precise hardware machining and a using method thereof.The drilling machine comprises a containing table, a connecting frame is fixedly connected to the top of the containing table, two clamping blocks are slidably connected to the top of the containing table, and an electric telescopic rod is started to push a sliding block to descend; when a workpiece is drilled, a rotating rod and a drill bit descend to be close to the workpiece, meanwhile, a motor is started to drive a second belt wheel to rotate, a transmission belt rotates, the rotating rod and the drill bit rotate to drill the workpiece, meanwhile, when the rotating rod rotates, a round ball rod can rotate around the center of a fixed circular ring, the round ball rod can incline, and a first connecting ring can be pulled by the round ball rod; the first connecting ring is moved downwards to descend, so that an extrusion ring descends, an extrusion plate descends, cooling liquid in a liquid storage tank is extruded, the extruded cooling liquid is sprayed out through a communicating hole to flush the surface of the drill bit, and therefore chippings attached to the surface of the drill bit are reduced, and the abrasion speed of the drill bit is effectively reduced.

The invention discloses a desliming device for mining and beneficiation operation, and relates to the technical field of mineral engineering, in particular to a desliming device for mining and beneficiation operation, which comprises a main machine body, a U-shaped groove is attached and connected to the top of the main machine body, and a flow dividing box is arranged at one end of the main machine body; and a hydrocyclone is arranged between the main machine body and the flow dividing box. According to the desliming device for mining and beneficiation operation, fine separation of minerals with different densities and particle sizes is achieved through stirring of the U-shaped groove, screening of the sieve plate, separation of the hydrocyclone and extrusion of the mesh belt, the desliming quality is improved, finally, final solid-liquid separation is achieved through relative movement and extrusion of the upper mesh belt and the lower mesh belt, and the desliming efficiency is improved. By means of the device, it is ensured that substances in different phase states are separated and treated according to an expected mode, the convenience and the environmental protection property of subsequent treatment are improved, the problem that silt is difficult to clean in traditional equipment is solved through the convenient cleaning mode of all the parts, and the fault risk and secondary pollution caused by silt residues of the equipment are reduced.

The invention discloses a portable planting machine for corn cultivation, and relates to the technical field of corn planting.The portable planting machine comprises a main body, sliding grooves are symmetrically formed in the upper portion of the main body, the sliding grooves are slidably connected with a supporting plate, and the upper portion of the supporting plate is fixedly connected with a stirring box used for stirring corn seeds and chemical fertilizer; an oscillating mechanism is arranged on the lower portion of the supporting plate and used for preventing materials in the stirring box from being blocked, a flow guide box is fixedly connected to the lower portion of the stirring box, an intermittent discharging mechanism is arranged on the lower portion of the flow guide box and used for intermittently falling corn seeds, and a planting mechanism is arranged on the lower portion of the main body. The sowing spacing of the seeds can be accurately controlled through the intermittent discharging mechanism, and the situation that the seeds compete for nutrients, moisture and illumination due to the fact that the distance between the seeds is too short is avoided, so that it is guaranteed that each corn seedling can obtain sufficient growth resources.

The invention provides an air pre-heater ash clogging monitoring system and method, and relates to the technical field of air pre-heaters, and the system comprises a real-time monitoring module which is used for obtaining real-time working parameters of an air pre-heater, and judging whether the ash clogging condition exists or not at present; and the ash clogging prediction module is used for performing ash clogging prediction according to the historical working parameters of the air preheater. The permissible fluctuation range of the flue gas pressure difference is updated regularly according to the real-time working parameters of the air preheater, flue gas emission can be more accurately controlled, accidental shutdown of the air preheater caused by improper parameter setting can be reduced, and therefore the stability and safety of operation of the whole device are improved, and the service life of the whole device is prolonged. When the flue gas pressure difference is changed abnormally, ash blocking prediction is carried out, prevention measures are taken before actual occurrence of ash blocking, actual occurrence of ash blocking is avoided, and stable operation of the air preheater is guaranteed.

The invention relates to the technical field of railway vehicle production, and provides a workpiece limiting device and method for an intelligent railway vehicle production line. The workpiece limiting device comprises a rack, a conveying belt, a feeding mechanism, a discharging mechanism, a synchronous connecting rod and a separating mechanism; the feeding mechanism comprises a feeding plate, a supporting shaft, an abutting plate and a first swing rod. The feeding mechanism is used for limiting input workpieces. The discharging mechanism is arranged at the tail end of the conveying belt in the transmission direction, the discharging mechanism comprises a circular shaft, a second swing rod and a clamping plate, and the discharging mechanism is used for limiting the output workpieces; the synchronous connecting rod is used for connecting the supporting shaft and the circular shaft; the separating mechanism is arranged on the side face of the conveying belt, comprises a first vertical shaft, a second vertical shaft and a separating fork and is used for separating workpieces on the conveying belt; the conveying stability of the workpieces on the conveying belt is improved, and the conveying efficiency is improved.

The invention belongs to the technical field of automatic control, and particularly relates to an automatic proportioning control system for mine intersection filling materials. The system comprises a data acquisition and dynamic monitoring unit, an intelligent control and optimization calculation unit and an automatic execution unit, the data acquisition and dynamic monitoring unit is used for defining a multi-component proportion constraint and a total mass constraint, calculating the real-time local concentration of each component of the filling material slurry and establishing a comprehensive objective function for measuring the filling performance; the intelligent control and optimization calculation unit is used for constructing a pressure penalty function to quantify an overrun risk according to the determined pressure safety upper limit; dynamically solving the optimal ratio; and the automatic execution unit is used for converting the optimal ratio into the feeding flow of each component, and is controlled and executed through a pump valve. Under the complex mine working condition, the component proportion and the pump valve control instruction can be adjusted in real time, so that the stability of the filling material performance and the safety of the conveying process are guaranteed.

The invention discloses a water purifier with a layered filter element structure, and relates to the technical field of water purifiers, and the water purifier comprises a composite mechanism. According to the water purifier with the layered filter element structure, through the design of the composite mechanism, liquid enters from the feeding pipe and then is filtered through the layered filter element, impurities in the liquid are adsorbed, and the inner wall of the composite shell is scraped through the scraping mechanism, so that the effect of cleaning the impurities on the surface is achieved, excessive precipitation of the impurities is prevented, and the service life of the water purifier is prolonged. Impurities enter the output mechanism after being precipitated, filtered liquid flows towards the discharging pipe, follow-up treatment is facilitated, the treatment mechanism clamps the layered filter element, so that the rapid fixing effect is achieved, follow-up disassembly and replacement are facilitated, and the effects that the equipment can work for a long time, and the efficiency is improved are achieved. And the service life of equipment is prolonged.

The utility model discloses a chemical raw material multi-layer screening and grading device, which belongs to the technical field of chemical raw material screening treatment, and adopts the technical scheme that the chemical raw material multi-layer screening and grading device comprises a screening box, the top of the screening box is communicated with a hopper, and a scattered screening mechanism is arranged in the screening box. When the chemical raw materials are added into the screening box through the hopper, the chemical raw materials can fall onto the carrying net in the disc frame, at the moment, the motor drives the shaft rod to drive the scattering rods to rotate, the chemical raw materials which are extruded and caked for a long time can be effectively scattered, large blocks are prevented from hindering a subsequent screening path, and the scattered chemical raw materials are prevented from falling downwards; and then the raw materials are subjected to multi-layer screening through the primary screening structure driven by the shaft rod, enter the material guiding opening and are discharged into the re-filtering structure to be treated again, so that normal screening of all stages of screens is ensured, the screening efficiency is remarkably improved, accurate grading of the chemical raw materials with different particle sizes is ensured, and the screening quality is optimized.

The invention belongs to the field of wastewater treatment, and provides a tunnel construction wastewater treatment method, which uses a system, the system comprises a secondary sedimentation tank, a tertiary sedimentation tank, an integrated device, three on-line sensors for wastewater pH value monitoring and two on-line sensors for wastewater SS value monitoring, the system further comprises a pH first-stage adding device, a pH second-stage adding device, a coagulant adding device and a flocculant adding device, and the online sensor and the adding devices are electrically connected with the controller. According to the treatment method provided by the invention, the dosage of chemicals can be accurately metered according to the change of the concentration and the water quantity of the tunnel construction wastewater, the concentration of the chemical liquid is automatically configured, the flow of the chemical liquid is accurately controlled, and real-time adjustment can be realized according to the change of the water quality and the water quantity of the wastewater. According to the treatment method, a dead-corner-preventing wastewater treatment device is used, so that the problems of sludge deposition and hardening at the bottoms of tank bodies of the coagulation tank and the flocculation tank, especially at the four corners of the tank bodies can be effectively solved.

The utility model relates to the technical field of sewage treatment, and discloses aquaculture sewage treatment equipment which comprises a sewage treatment barrel, a barrel cover is clamped at the upper end of the sewage treatment barrel, a water distribution mechanism is movably connected to the middle of the upper end of the barrel cover in a penetrating mode, and a driver is fixedly connected to the right portion of the upper end of the barrel cover. A first gear is fixedly connected to the output end of the driver in a penetrating mode, pull rings are fixedly connected to the middle of the left end and the middle of the right end of the barrel cover, a sealing groove is jointly formed between the peripheries of the lower end of the barrel cover, and a driving rod is fixedly connected to the middle of the lower end of the water distribution mechanism; and a plurality of filtering frames are movably connected to the outer surface of the driving rod in a penetrating manner through bearings. According to the aquaculture sewage treatment equipment disclosed by the utility model, by arranging the filter frame and the cleaning brush, the filter screen is convenient to clean, blockage is avoided, the filtering effect of the filter screen is enhanced, and by arranging the water distribution mechanism, sewage can be uniformly distributed, and the sewage treatment efficiency is enhanced.

The invention relates to the technical field of treatment devices, and discloses a hydraulic engineering safe sludge treatment device which comprises a shell, supporting legs are fixedly connected to the front portion of the shell, and a supporting plate is fixedly connected to the tops of the supporting legs; when sludge treatment is started, the sludge suction pipe is placed in a place with excessive sludge, the sludge suction pipe sucks the sludge into the filter barrel through the water suction pump, and the sludge sucked into the filter barrel can be dehydrated, so that the volume of the sludge is reduced, moisture in the dehydrated sludge is removed, and the volume is obviously reduced; the subsequent storage and transportation cost of the sludge can be effectively reduced, meanwhile, the situation that water filtering holes in the inner wall of the filtering barrel are blocked, so that separated water cannot be discharged is avoided, and substances such as branches and leaves mixed in the sludge can be smashed, so that the sludge and the branches can be fully mixed, and subsequent transportation is facilitated.

The invention relates to the technical field of smashing devices, in particular to a smashing device for a graphite lithium battery negative electrode material, which comprises a shell, the interior of the shell is divided into a smashing cavity and a storage cavity, and a storage part with a hollow structure is arranged in the storage cavity; the crushing and conveying mechanism is used for conveying external graphite particles to the crushing cavity and carrying out coarse crushing on the graphite particles in the conveying process; the crushing mechanism is used for crushing the graphite particles; the driving mechanism is used for transmitting power to the crushing mechanism, and meanwhile, the air and the graphite particles in the crushing cavity are conveyed into the storage part in the power transmitting process; and the screening plate is installed in the storage part, an outlet is formed in the storage part, and the storage part communicates with the crushing cavity through a circulating pipe. Graphite particles are conveyed into the crushing cavity through the crushing and conveying mechanism, then the driving mechanism is used for driving the crushing mechanism to crush the graphite particles, and finally the graphite particles are screened through the screening plate, so that the crushing efficiency of the graphite particles and the uniformity of the crushing granularity are improved.

The invention discloses a bridge type transfer conveyor for coal mining, relates to the technical field of conveying, and aims to solve the technical problem that the capacity of pretreating coal briquettes before conveying is weak in the limited space of a thin coal seam. The bridge type transfer conveyor comprises a bridge type transfer conveyor main body, and a coal feeding mechanism is arranged at the lower end of the bridge type transfer conveyor main body; a coal discharging port is formed in the high end of the bridge type transfer conveyor body, the coal feeding mechanism comprises two fixed side plates, the two fixed side plates are of a symmetrical structure and are connected through a screening plate and a feeding plate, the screening plate is arranged above the feeding plate, the side wall of the screening plate is connected with an impurity leading-out plate, and the impurity leading-out plate is connected with a coal discharging port. A feeding frame is arranged at the top of the fixed side plate, a coal briquette crushing assembly is arranged between the screening plate and the feeding plate, and an impurity removing assembly is arranged on the side wall of the coal briquette crushing assembly. The coal crushing and impurity removing device has the advantages that coal can be subjected to pre-crushing and impurity removing operation, and the coal pretreatment capacity is improved.

The invention belongs to the technical field of oil-immersed transformers, and particularly relates to an oil-immersed transformer with a heat dissipation structure, which comprises a transformer shell, an oil cooling mechanism is arranged on the outer wall of the transformer shell, a mounting seat is fixedly connected to the inner wall of the transformer shell, and a heat absorption sheet is fixedly connected to the bottom of the mounting seat. And a heat dissipation opening is formed in the bottom of the transformer shell, a filter screen is fixedly connected into the heat dissipation opening, and a heat removal cleaning device and an auxiliary cleaning device are arranged below the mounting base. According to the oil-immersed transformer with the heat dissipation structure, by using the heat removal cleaning device, when the temperature in the transformer shell is high and the temperature detected by a temperature sensor reaches the specified temperature of a controller, a double-shaft motor is started, an output shaft of the double-shaft motor rotates to drive a rotating shaft to rotate, and then a heat removal fan is driven to rotate; and heat of the heat absorption sheets is discharged outwards through the heat dissipation openings, so that the heat dissipation effect of the oil-immersed transformer is improved.

The venturi tube comprises a tube body and a base, the tube body comprises a throat portion, a contraction section and a diffusion section, positioning rods are fixedly connected to the bottom of the contraction section and the bottom of the diffusion section respectively, a filter groove is formed in an end opening of the contraction section, a filter plate is installed in the filter groove, and the base is fixedly connected with the base. A filter screen is installed on the filter plate, a pair of positioning cylinders are fixedly connected to the top of the base, and a heat conduction assembly and an air cooling assembly are installed on the two sides of the base correspondingly. The venturi tube is good in heat dissipation effect, can effectively avoid the situation that normal work of the venturi tube is affected due to the fact that heat dissipation is not timely enough when the venturi tube works in a high-temperature environment, and can filter airflow before the airflow enters the contraction section so as to remove dust and particulate matter in the airflow, thereby effectively avoiding blockage caused by the fact that the dust and the particulate matter are gathered at the throat, and improving the service life of the venturi tube. Meanwhile, abrasion of dust and particles to the inner wall of the pipe body is also avoided.