158results about How to "Avoid discharge" patented technology

This invention provides an ophthalmic gel composition comprising (1) ropinirole or a pharmaceutically acceptable salt thereof, (2) one or more thickeners, and other pharmaceutically acceptable excipients, wherein the viscosity of the ophthalmic gel composition is ≥100 mPa·s. The ophthalmic gel composition increases the viscosity of the product, prolonging the adhesion time of ropinirole to the eye. Compared with other dosage forms, it achieves both rapid onset of action and convenient administration, greatly enhancing its clinical value as an emergency medication.

According to the present invention, provided is a conductive composition containing a silicone oil as a base oil and carbon nanotubes as a conductive substance, the carbon nanotubes having a diameter of 0.4-5.0 nm, and the content of the carbon nanotubes being 0.5-3.0 mass% with respect to the total mass of the composition.

The utility model relates to chip coating technical field discloses a kind of spraying head structures for chip coating, a kind of spraying head structures for chip coating, including spraying head body, the filter assembly is equipped in spraying head body, the upper end of spraying head body is fixedly connected with liquid inlet pipe, the side fixedly connected with branch pipe of liquid inlet pipe, the one end ball joint rotationally connected with sphere of branch pipe, the side fixedly connected with rubber tube of sphere, the one end fixedly connected with plugging head of rubber tube, the bolt is threadedly connected on plugging head, in the utility model, when the filter assembly in spraying head body is blocked by tiny particle in spraying liquid, without disassembling equipment, using the spraying liquid in liquid inlet pipe to backwash filter assembly, the blockage is stripped, and the impurities of washing are discharged through drain pipe, significantly reduce the downtime caused by equipment disassembly maintenance, ensure the continuity of production, improve overall production efficiency.

The utility model discloses a gravel vibration screen convenient to loading, including support, hopper, fixed frame, is installed with belt conveyor and vibration screen on the support, and vibration screen is located the above belt conveyor, and hopper is installed to the support upper end, and hopper has inclined surface part, and the side of hopper is connected with feeder through fixed plate, and feeder is located the below hopper export, and feeder is vibration screen conveying gravel, and fixed frame is connected in the side of hopper, and a plurality of staggered blocking columns are inserted in the left and right side of fixed frame, and two electric cylinders are installed on the upper surface of fixed frame, and electric cylinder is connected with corresponding blocking column transmission, can store gravel through hopper, when vibration screen temporary cleaning maintenance, gravel can continue to send to hopper, will not cause production line to break material, reduces the switching step of conveyer belt, can quick recovery gravel's continuous processing, and feeder sends gravel in hopper to vibration screen, can stably control the feeding amount of vibration screen.

The utility model belongs to the technical field of nursing equipment, and discloses a Mongolian medicine tea and wine therapy treatment pad which comprises a water bag fixedly installed on a bed body, a partition layer is arranged in the water bag, the periphery of the partition layer is fixedly connected with the inner wall of the water bag, the water bag is divided into an upper space and a lower space, and the upper space and the lower space are arranged in the partition layer. An upper space formed by the water bag and the interlayer is filled with carbon dioxide gas, a lower space formed by the water bag and the interlayer is filled with water, the upper side and the lower side of the interlayer are respectively provided with a pipeline, and the pipelines are respectively communicated with the corresponding upper space and the corresponding lower space. In addition, the effect of treating fire can be achieved in time in the treatment process, and precautions are taken in advance.

The utility model relates to the technical field of tractor air inlet systems, in particular to a tractor air inlet system and a tractor, the structure of the tractor air inlet system comprises an air prefilter, the air prefilter comprises an outer net, and the outer net is installed in the middle of a prefilter shell; the filtering part is arranged on the inner side of the outer net, and an air inlet is formed in the filtering part; and the ash deposition basin is mounted at the lower part of the prefilter shell, and the bottom end of the filtering part is communicated with the ash deposition basin. According to the tractor air inlet system and the tractor, the problem that an existing air prefilter can discharge dust into air, and the working environment is affected can be solved.

The utility model discloses a kind of sheep shed ventilation and air exchange regulation and control devices, belong to the technical field of breeding, including sheep shed ontology, the sheep shed ontology includes frame and roof, the both sides of the frame are provided with air intake mechanism, the top of the roof is provided with exhaust mechanism, the utility model is provided with air intake mechanism, U type pipe bottom is buried in the interior of soil, utilize the natural temperature buffer effect of soil, the temperature of the air entering (winter preheating, summer precooling) is adjusted, first electric push rod drives T type disc to move up and down, realize the opening or closure of U type pipe and air intake cover connecting port, realize the internal delivery of external fresh air to sheep shed ontology, utilize soil precooling / preheating air, realize the internal delivery of low temperature or warm airflow to sheep shed ontology, reduce the energy consumption of traditional temperature control equipment, reduce breeding cost.

This invention belongs to the field of distillation apparatus technology and discloses an automatic distillation range measuring instrument and its calibration method, including a housing, a distillation flask, and a tube cover. The left end of the housing has a working area A, and the right end has a working area B. A control box is fixedly installed on the top of the housing. A heating plate is fixedly connected inside the working area A. The invention simultaneously starts a first motor to drive a second pulley to rotate. This, in turn, drives the first pulley to rotate via a drive belt, causing the tube cover to rotate with the mounting end. The serpentine condenser then rotates, and small volumes of liquid adhering to the inner wall of the serpentine condenser, under centrifugal force, slowly slide along the inner wall and merge with other small volumes of liquid to form a larger volume of liquid. Simultaneously, propelled by gas, this liquid drips down the discharge pipe into the collection bottle, effectively cleaning the liquid inside the serpentine condenser and avoiding waste.

The utility model discloses an aerobic tank structure for preventing suspended filler from floating upwards, which is characterized in that an overhaul well is arranged on the upper surface of an aerobic tank body, a frame intercepting net is vertically arranged at the overhaul well, the lower part of the frame intercepting net extends into the aerobic tank body, a connecting seat is arranged on one side of the lower part of the frame intercepting net, and the connecting seat is connected with one end of a hose; the device is reasonable in structure, gas in the tank body of the aerobic tank moves upwards through the interior of the frame intercepting net and is communicated with the outside atmosphere through the holes of the stainless steel cover plate, and therefore the problem that the air in the tank body of the aerobic tank cannot penetrate through the polyurethane filler, and the air in the tank body of the aerobic tank cannot penetrate through the hole of the stainless steel cover plate can be solved. And the arrangement and installation of the frame interception net and the hose do not need to adjust the configuration of other functional pipeline systems, that is, the original pipeline system is not specially limited, the installation is convenient and fast, and the problem of power consumption is solved.

This utility model discloses an environmentally friendly dust removal device for engineering, relating to the field of environmental engineering technology. The utility model includes a dust collection box, on which a dust removal mechanism and a spraying mechanism are installed. By incorporating the dust removal mechanism, when the drive motor rotates the shaft and impeller, the air inside the dust collection box is drawn to the outside in conjunction with the fan casing. When the dust suction hood end on the corrugated pipe is aligned with the area requiring dust removal, external air and dust are drawn into the dust suction hood. The air is then filtered by the filter blocks, removing dust. After prolonged use, pulling the two pads moves the sliding rod away from the slot on the dust suction hood, pulling the two springs and stretching them, allowing the filter blocks to be removed from the dust suction hood for replacement. This ensures long-term effective dust removal and filtration, significantly improving the overall lifespan of the device.

The present application relates to sewage treatment technical field, specifically to a kind of acrylonitrile sewage treatment device, comprising: microbial purification tank, exhaust mechanism, the exhaust mechanism has two and symmetrically set in the two sides of the inner wall of microbial purification tank width direction, the exhaust mechanism includes the cavity plate fixedly connected in the inner wall of microbial purification tank. By cavity plate, partition block and air separation assembly in exhaust mechanism, air can be injected and extracted into microbial purification tank, so as to provide corresponding purification environment for aerobic microorganism or anaerobic microorganism to purify sewage, and then realize that when injecting air, air exposure area and immersion area can inject air into microbial purification tank simultaneously to provide sufficient oxygen for aerobic microorganism to purify sewage, help its efficient decomposition of pollutants in sewage, while when extracting air, air separation assembly disconnects the communication of air exposure area and immersion area, so that suction airflow is only discharged from air exposure area, avoid sewage from flowing out with cavity plate, while avoiding suction airflow from immersion area to interfere with anaerobic environment in tank.

The utility model relates to the field of particle size instruments, and discloses a particle size instrument aerial fog drainage protection device which comprises a first connecting pipe, the left side of the first connecting pipe is movably connected with a connecting pipe, the top end of the first connecting pipe is provided with a second connecting pipe, and the top end of the second connecting pipe is provided with a third connecting pipe. A telescopic pipe is installed between the third connecting pipe and the second connecting pipe, a protective cover is installed at the top end of the third connecting pipe, and an aerial fog spray head is installed at the output end of the third connecting pipe and is installed on the inner side of the protective cover. According to the aerosol drainage protection device of the particle size analyzer, the sealing ring can be tightly attached to the outer ring of the detection lens, aerosol is evenly sprayed out of the aerosol spray head, the detection lens can detect aerosol particles, in the detection process, the sealing ring always conducts sealing protection on a gap in the connecting position of the lens, and the detection efficiency is improved. Aerial fog is prevented from entering the lens to damage the particle size analyzer, the sealing ring can be taken out of the protective cover to be replaced, and the problem that the aerial fog enters the lens is solved.

The utility model belongs to pet transportation technology field, including: box unit, the box unit includes lower cover, upper cover and box door, the lower cover with upper cover connects, the upper cover with box door connects, the upper cover is provided with air inlet and air outlet, the upper cover includes inner shell and outer shell, and the inner shell and outer shell form air inlet air duct and air outlet air duct, fresh air unit, fresh air unit sets up in the upper cover, fresh air unit includes exhaust fan and air intake fan, exhaust fan installs in air outlet air duct, and the exhaust direction of air outlet air duct is provided with active carbon layer and HEPA layer in proper order, air intake fan installs in air inlet air duct, and the air inlet direction of air inlet air duct is provided with HEPA layer and active carbon layer in proper order, power supply unit, power supply unit with fresh air unit electricity is connected, and the utility model is provided with active carbon layer and HEPA layer, avoids the existence of peculiar smell and fluff etc. in the air that is discharged through fresh air, reduces the adverse effect to surrounding crowd etc.

The utility model discloses a fabric degradation testing device, and belongs to the technical field of fabric detection equipment. Which comprises an external box, an operation panel is arranged on one side of the external box, lifting seats are arranged on the two sides of the bottom of the external box, and is characterized in that observation openings are formed in the top and the three side faces of the external box, a top plate for sealing the observation openings in the top is arranged on the top of the external box, and the lifting seats are arranged on the top of the external box. A plurality of discharging grooves are formed in the top of the top plate; according to the utility model, the external box with the three observation openings is arranged, the insertion groove and the side flaring are respectively formed in each observation opening and are used for preventing two transparent glass plates for observation, and meanwhile, the heat preservation cover and the test box in the external box are both made of glass plates with relatively high light transmittance, so that the internal decomposition condition can be well observed; meanwhile, a plurality of layers of glass plates are arranged to achieve good heat preservation and moisture preservation effects.

The application discloses an automatic dehydration device and method for electrochemical descaling of circulating water, and relates to the technical field of electrochemical water treatment. The dehydration device comprises a sludge adjusting and storing pool, which is used for pre-dehydration treatment of slurry generated by descaling of an electrochemical device. The sludge adjusting and storing pool comprises a pool body, a stirring driving element and a stirring element. The stirring element is arranged in the pool body and comprises a main shaft, a scraper, an extrusion column and an extrusion reciprocating assembly. The output end of the stirring driving element is in transmission connection with the main shaft. The lower end of the main shaft is provided with the scraper, which is arched towards the rear of the rotating direction of the scraper. The extrusion column is located at the rear side of the scraper. The extrusion reciprocating assembly is used for driving the extrusion column to move reciprocally. The dehydration equipment and a sludge pump are arranged. The sludge pump is used for conveying sludge at the bottom of the sludge adjusting and storing pool to the dehydration equipment. The dehydration equipment is used for secondary dehydration treatment of the sludge. The application realizes staged dehydration of the slurry. In the pre-dehydration treatment, the cooperation of the scraper and the extrusion column can effectively prevent the sludge from being hardened.

The invention relates to an electromechanical machine for converting animal skins into leather, consisting of a machine intended to participate in one or more steps of a process for converting any animal skins into leather. The machine is characterized in that it comprises: a main tank (1) in which the animal skin (3) is immersed in a treatment fluid, called syrup (2), containing one or more additives; an impeller suction motor pump (4) circularly conveys the syrup (2) through a water outlet pipe (5) to a reversing valve (5.1), the reversing valve guides the syrup (2) to one or more filters (6), guides the treatment fluid to a heater (7) or a bypass pipe (5.3), and finally reaches a group of storage tanks (8), and the storage tanks (8) are connected with the water outlet pipe (5). The filter is preferably a slow sand type filter, a decanter type filter, a settling tank type filter, an ozone or UVC ultraviolet radiation disinfection type filter, a zeolite type filter, an activated carbon type filter, an anthracite type filter, a silicon dioxide type filter, an argenite type filter or a copper ion generator type filter, and an opening / closing valve (5.2) is arranged on a pipeline behind the reversing valve (5.1). The syrup (2) is then stored and then discharged into the main tank (1) via a return line (5.4). The machine is provided with a gear motor (9), and the gear motor transmits power through a rotating shaft (10) provided with a clamp (13) at the end. The clamp is arranged opposite to another same clamp (13) mounted on the sliding shaft (11); the machine is provided with a fixed stop block (15.1) fixedly connected with the main tank (1) and a movable stop block (15) fixedly connected with the sliding shaft (11); a spiral spring (14) is mounted between the two stop blocks; when the length of the spiral spring changes, the spiral spring can control the reversing device (16), and then the rotating direction of the gear motor (9) is adjusted. The machine is provided with a programmable central computer, and the computer is controlled according to the required characteristics of each animal skin in the aspects of color, tanning agent type, fatliquoring agent type, fixing agent type and the like.

The utility model discloses a kind of heating type vibration push flat plate convenient to asphalt paving, it is related to asphalt paving field, the utility model includes push flat plate, the top of push flat plate is equipped with electric heater, the top of electric heater is fixed with fixed frame, and the top of fixed frame is equipped with control box, and the outer surface and one side of control box are all equipped with threading hole, and the inner wall of threading hole is equipped with mounting groove, and the inside of mounting groove is equipped with sealed air bag ring.The utility model is provided with mounting groove, sealed air bag ring, inflating one-way valve and exhaust valve, when cable passes through threading hole, staff can inflate sealed air bag ring by inflating one-way valve, at this time, sealed air bag ring expands inwards, to be closely combined with the outer wall of cable, to eliminate the gap between cable and threading hole, and improve the sealing of control box, prevent external dust from entering into control box inside through the gap between cable and threading hole, to improve the dustproof effect of control box.

The utility model relates to the field of curing agent processing, and disclose a kind of curing agent impurity removal device, including cylinder, liquid outlet pipe is installed to the bottom end outside cylinder, the inside of cylinder is equipped with filter mechanism, the top of cylinder is equipped with cleaning mechanism, the filter mechanism includes filter cover, the inside of cylinder is fixedly installed in filter cover, the top of filter cover is fixedly installed with communicating pipe, the top of communicating pipe is equipped with motor, the outside of communicating pipe is equipped with liquid inlet pipe, the output shaft bottom end of motor and located the inside of filter cover installs shaft rod, the outside of shaft rod is fixedly installed with several scrapers. Through filter cover and scraper, increase the filtering area of curing agent, can scrape off the impurities filtered, and prevent curing agent from being discharged with waste residue;Through lifting ring, the curing agent raw materials adhered to the inner wall of cylinder and the outer wall of filter cover can be periodically scraped and cleaned, reducing the waste of raw materials.

This utility model relates to the field of retaining wall technology; and discloses a reinforced concrete core-filled retaining wall, including a retaining wall body, the interior of which is provided with a drainage structure, and a planting trough is provided on one side of the outer surface of the retaining wall body, and multiple sets of planting troughs are provided. This utility model allows soil moisture to fall into the collection trough through the collection trough. During the falling process, water and loose soil will preferentially fill the sedimentation trough. At this time, because the weight of the loose soil is greater than the weight of the water, the loose soil will sink to the bottom. After a certain amount of water is collected, it can flow from the inside of the drainage trough into the drainage pipe for discharge. This design can settle the loose soil in the water, allowing water to preferentially drain from the inside of the drainage trough, effectively preventing a large amount of loose soil from being discharged from the inside of the drainage pipe, thus preventing a large amount of soil from appearing inside the drainage pipe.

The utility model discloses an electrolytic bath structure of an oxyhydrogen machine, which relates to the field of electrolytic baths and comprises an electrolytic bath main body, an oxygen pipe and a hydrogen pipe, and a first fixing cover and a second fixing cover are further mounted at the top of the electrolytic bath main body. By arranging the first fixing cover, the hydrogen sensor, the electrochemical oxygen sensor and the alarm, when oxygen leakage occurs at the joint of the oxygen pipe and the electrolytic bath main body, the leaked oxygen enters the first fixing cover, and at the moment, the electrochemical oxygen sensor can detect the oxygen; if hydrogen leakage occurs at the joint of the hydrogen pipe and the electrolytic bath main body, the hydrogen sensor can detect hydrogen, so that the electrochemical oxygen sensor or the hydrogen sensor can transmit a signal to the control panel, the control panel can start the alarm after receiving the signal, and the alarm gives out an alarm sound; therefore, surrounding workers can be reminded of leakage of hydrogen or oxygen, so that the workers can find the leakage in time.

The utility model discloses medicine bottle feeding and cleaning equipment, belongs to the technical field of medicine bottle cleaning, and solves the problem that the cleaning efficiency of medicine bottles is reduced due to the fact that an existing device discharges cleaned medicine bottles in a non-standing state, the medicine bottle feeding and cleaning equipment comprises a first U-shaped plate, and a conveying belt is arranged in the first U-shaped plate. An adjusting assembly is arranged on the right side of the first U-shaped plate, a cleaning assembly is arranged in the middle of the top face of the first U-shaped plate, placing plates distributed in a linear array mode are fixedly installed in the middle of the surface of the first U-shaped plate, placing grooves distributed in a linear array mode are formed in the top faces of the placing plates, and medicine bottles can be limited through the placing grooves. And through arrangement of a second U-shaped plate, a first hydraulic rod, a pressing plate, a groove, a second hydraulic rod, a water inlet plate, a second motor, a water outlet cylinder, a hose, an annular gear, a gear disc, a cleaning brush and a water tank, the medicine bottle moving to the position below the pressing plate can be cleaned.

The invention discloses a hot air circulation molten plastic recycling granulator and a method thereof, and belongs to the technical field of granulators, the hot air circulation molten plastic recycling granulator comprises a steel belt conveying assembly, the steel belt conveying assembly comprises an adjustable driving assembly and a cooling assembly, and the adjustable driving assembly is connected with the cooling assembly; the driving end of the adjustable driving assembly is connected with a dripping assembly used for evenly discharging granules, and the discharging end of the dripping assembly is located above the input end of the adjustable driving assembly. The dripping assembly comprises a heat preservation assembly, a feeding assembly and a rotary discharging assembly. The feeding end of the feeding assembly is connected with a hot air circulation melting assembly. The hot air circulation melting assembly comprises a pressurizing assembly, a stirring assembly and a hot air circulation assembly. The top of the stirring assembly is connected with a sealed feeding assembly used for sealed feeding. In this way, after waste plastic enters the inner cylinder through the sealed feeding assembly, the sealed feeding assembly is used for blocking, hot air in the tank body is prevented from being discharged, heat loss is avoided, and energy conservation and consumption reduction are achieved.

The utility model discloses a die-casting waste gas treatment device, which relates to the technical field of waste gas treatment, and comprises a bottom plate, a die-casting machine fixedly arranged on the upper surface of the bottom plate, a protective cover, a smoke suction structure and a cleaning structure, and the protective cover comprises a fixed cover fixedly arranged on the left side surface of the bottom plate and a sliding groove formed in the upper surface of the bottom plate; the moving cover is slidably mounted on the upper surface of the bottom plate, the material taking opening is formed in the surface of the moving cover, and the shielding assembly is arranged in the moving cover. Compared with the prior art, the range hood has the beneficial effects that the stainless steel filter screen plate is arranged in the exhaust fume collecting hood, large-particle oil fume is adsorbed before the fume enters the fan, the oil fume which is not completely absorbed can be adsorbed on the fan blades, and oil stains on the surfaces of the fan blades are cleaned through timing steam injection by matching with the integrated steam generator and the spray head assembly; the water inlet pipe guarantees continuous water supply, and therefore the situation that a large amount of oil smoke is attached to the fan blades to affect the smoke suction efficiency can be avoided.

The application relates to the technical field of bridge drainage devices, and discloses a bridge drainage structure which comprises a water collecting device, a transverse drainage groove, a longitudinal drainage groove and a drainage pipe which are sequentially arranged and communicated according to the drainage flow direction; the bottom of a sidewalk of the bridge is arranged on the outer side above a driveway through a stand; the water collecting device comprises a sedimentation tank arranged in the stand and a flow guide device arranged between the sedimentation tank and the driveway; the flow guide device is connected with the driveway and the sedimentation tank through a water inlet channel, guides rainwater to the sedimentation tank, and makes sundries carried in the rainwater naturally deposit in the sedimentation tank; then the overflowed rainwater is guided to the transverse drainage groove through a drainage channel which is connected with the water inlet channel and the transverse drainage groove, and is further guided to the longitudinal drainage groove and the drainage pipe, so that the drainage effect of depositing sundries first and then discharging is realized, and the blockage of the drainage groove and the drainage pipe is avoided; and the drainage groove and the drainage pipe are arranged below the sidewalk, the existing space of the bridge structure is effectively utilized, and the use space of the bridge is avoided from being occupied.

The application relates to the technical field of solid-liquid reaction equipment, in particular to a device for solid-liquid reaction. The device is characterized in that a liquid inlet is arranged on the side wall of a reaction body near the top end, so that liquid-phase materials can be fed from the top of the reactor; the disturbance suspension disc is combined with the hollow shaft to make up-and-down reciprocating motion, so that high-concentration liquid-phase materials gradually flow to the bottom of the reaction body; the solid-phase materials are gradually fed into the feeding pipe through the spiral conveying mechanism, and then enter the bottom of the reaction body through the feeding pipe to contact and react with the low-concentration liquid-phase materials formed by reaction; when the disturbance suspension disc makes up-and-down reciprocating motion with the hollow shaft, the solid-phase particles are disturbed to suspend upward, and then contact and react with the liquid-phase materials with higher concentration, so that the relative amount or relative concentration of the solid-phase materials and the liquid-phase materials when they contact is weakened, the intensity of the reaction is weakened, the safety is improved, the small solid-phase materials can be prevented from being wrapped in the product, and the thoroughness of the reaction is improved.

This utility model relates to the field of flue gas collection technology, specifically a flue gas collection system for the top of an activation furnace. The system includes an activation furnace with multiple flange joints on its top. Pipe connectors are connected to the upper ends of the flange joints via multiple No. 1 bolts. It also includes a protective assembly located outside the flange joints. The protective assembly includes a protective shell movably fitted onto the outside of the flange joints. Both ends of the protective shell are symmetrically fitted with sealing covers. No. 1 connecting lugs are symmetrically fixed at both ends of the outer surface of the sealing covers. An exhaust assembly is located on one side of the protective shell. In this utility model, by setting a protective assembly outside the flange, the flange connection is sealed a second time. A pressure sensor is installed inside the protective shell. When an increase in pressure is detected, the exhaust assembly operates, discharging the escaping flue gas to a designated location via a fan. This facilitates the collection of flue gas when there is leakage at the flange connection, preventing flue gas from escaping.

The utility model discloses a kind of gas phase system trace liquid collectors, belong to gas phase system trace liquid collection field, including pipeline, elbow, collection box, drain pipe, switch structure, inlet one-way valve, outlet one-way valve, activated carbon box.The utility model works, liquid in pipeline is affected by gravity and flows to elbow, then overflow to collection box and is collected, when needing to discharge liquid in collection box, open switch structure, drain pipe discharges liquid in collection box, when discharging, when negative pressure is formed in collection box, external air enters collection box through inlet one-way valve, and then reduce the influence caused by negative pressure in collection box to discharge, when pressure in collection box increases, gas is discharged to activated carbon box by outlet one-way valve, and discharge gas is adsorbed by activated carbon box, prevent harmful gas from being discharged.

This utility model discloses a angelica washing device for medicinal vinegar production, including a washing tank, a washing screen, a driving component, and a drain pipe. The washing screen is movably installed inside the washing tank. The driving component is fixedly connected to the right side of the washing tank and is used to drive the washing screen to rotate. The drain pipe is fixedly connected to the bottom of the washing tank. A scraper is movably connected to the right side of the bottom of the inner wall of the washing tank, and a transmission component is fixedly connected to the front side of the top of the scraper. This utility model, by setting up a scraper, enables the scraper to scrape and discharge the sludge at the bottom of the inner wall of the washing tank through the discharge trough. This solves the problem that after the angelica is washed, sludge accumulates at the bottom of the washing tank, which is difficult to discharge through the water outlet alone. Excessive sludge accumulation will affect the next washing of angelica.

This utility model provides an alumina ball mill. The alumina ball mill includes a base plate, with multiple support legs fixedly mounted on the top of the base plate. A common support plate is fixedly mounted on the top of each support leg, and a support frame is fixedly mounted on the top of the support plate. A U-shaped plate is hinged to the support frame. A hydraulic cylinder is hinged to the top of the support plate, and the output rod of the hydraulic cylinder is hinged to the U-shaped plate. Two rotating shafts are rotatably mounted on the U-shaped plate, and a common roller for grinding alumina is fixedly mounted on the two rotating shafts. Multiple strip plates are fixedly mounted on the inner wall of the roller. The alumina ball mill provided by this utility model solves the technical problem of existing alumina ball mills lacking dust prevention measures during discharge operations, leading to fine powder dust pollution of the surrounding air and threatening the health of workers.