214results about How to "Avoid stranded" patented technology

The invention discloses multi-angle anti-corrosion paint spraying equipment for spiral steel pipe machining, and belongs to the field of paint spraying equipment. The multi-angle anti-corrosion paint spraying equipment for spiral steel pipe machining comprises a circular ring, block bodies are arranged on the two sides, close to a fixing frame, of the circular ring, the circular ring is slidably connected with the fixing frame through the block bodies, an inner cavity is formed in the circular ring, a necking pipe is fixedly connected into the inner cavity, a fixing block is fixedly connected to the inner wall of the circular ring, and a through hole is formed in the fixing block. A motor is fixedly connected to the outer side of the fixing block, a ball is rotationally connected into the through hole, the output end of the motor is fixedly connected with the ball, a middle pipe is fixedly connected to the outer side of the ball, a circular hole is formed in the outer side of the end, away from the middle pipe, of the ball, and a feeding pipe is fixedly connected to the middle of the bottom of the circular ring. By starting the motor on the outer side of the fixing block, the motor drives the ball to rotate in the through hole, and the middle pipe, the extension pipe and the spray head are driven to rotate to a preset spraying angle.

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

The utility model relates to the technical field of plastic particle processing, in particular to a drying device for a plastic granulator, which comprises a drying box, and a conveying mechanism and a shifting mechanism are mounted in the drying box. A plurality of fixing rods are arranged in the water mechanism, so that plastic particles falling on water filtering plates are dispersed, the plastic particles are prevented from being gathered, the plastic particles make full contact with the water filtering plates for dehydration, and under the action of the two water filtering plates, the flowing path of the plastic particles in the vibration water removal process is prolonged; meanwhile, plastic particles on a water filtering plate are prevented from directly sliding into the drying box, it is guaranteed that the plastic particles are fully vibrated, meanwhile, under the action of a guide plate and two pieces of absorbent cotton, the plastic particles subjected to vibration water removal are wiped again and then guided into the drying box, water retention on the surfaces of the plastic particles is avoided, and the drying effect is improved. And therefore, water on the surfaces of the plastic particles fully falls off, and the drying uniformity and drying efficiency of the plastic particles are improved.

The utility model discloses an integrated toilet squatting pan for a locomotive, which belongs to the technical field of squatting pans, and can be used for integrally discharging cleaned liquid through a through hole in an anti-skid groove and a flow guide pipe at the bottom during working, so as to avoid the conditions of long-time retention of accumulated liquid formed at the edge of a squatting pan body and the like as much as possible. The locomotive integrated toilet squatting pan comprises a squatting pan body and a transfer cylinder, a squatting pan is arranged on the squatting pan body, a discharge port is formed in the position, close to the bottom, of the squatting pan, a collecting pipe is installed at the discharge port, a pneumatic large-flux ball valve is installed at the end, away from the discharge port, of the collecting pipe, and an inlet is formed in the top of the transfer cylinder. The end, away from the pneumatic type large-flux ball valve, of the communicating pipe is installed at the inlet, a sewage draining opening is formed in the bottom of the transfer cylinder, a sewage draining pipe is arranged at the sewage draining opening and communicated with the excrement collecting box, the pneumatic type large-flux ball valve is installed at the middle section of the sewage draining pipe, and a two-way pressure generator is installed on the transfer cylinder.

This invention relates to the field of stainless steel pipe inner wall cleaning technology, specifically to a cleaning device and process for the inner wall of extra-long stainless steel pipes. The device includes a cleaning mechanism, an anti-deviation mechanism, an auxiliary feeding mechanism, and an active feeding mechanism. The cleaning mechanism comprises several rigid pipes. In this invention, motor one and motor two are started synchronously. Motor two drives a directly connected rotating shaft two to rotate, and two meshing gears follow the rotation. Multiple rubber sleeves on the two rotating shafts two cooperate with each other, rubbing against the outer walls of the rigid pipes and the outer walls of the flexible hoses, causing the brush section to move steadily forward inside the stainless steel pipe. Then, the rotating shaft one, directly connected to the motor, drives several sprockets one on its outer side to rotate. Through chain transmission, the sprockets two drive the reel to extend the flexible hose on its outer side. The flexible hose and the brush section move synchronously, thereby preventing the flexible hose from dragging the brush section, avoiding jamming of the brush section, and ensuring cleaning efficiency.

The utility model provides an air quality detector, including main casing and the top cover of being connected in the top of main casing, be equipped with a plurality of independent chambers for installing sensor in main casing, and the part of main casing is directly opposite sensor is evenly distributed with a plurality of air inlet hole, be equipped with a plurality of interval setting ridge between top cover and main casing to make the clearance between the periphery of top cover and main casing form the flow guide groove. The utility model discloses a flow guide groove is arranged in the periphery of top cover, and the air inlet hole is used for air inlet in the position of corresponding sensor in lower part, not only makes the air even flow, avoids the airflow dead angle and retention, improves the response time and measurement accuracy of sensor, also ensures internal gas flow unobstructed, reduces the internal and external pressure difference, promotes the detection accuracy, through setting up independent detection chamber, different sensor module is isolated, and each sensor is equipped with independent detection chamber, prevents the cross interference between sensor, ensures each sensor independent work, improves the independence and reliability of measurement data.

The utility model provides a combustor capable of preventing coking and material accumulation, and relates to the field of combustors. The combustor comprises a combustor body and a flow guide part, the flow guide part is arranged at one end of the combustor body, and the interior of the flow guide part communicates with the interior of the combustor body; the end, away from the burner body, of the flow guide part is provided with a port communicating with the interior of the flow guide part. The cross section of the flow guide part is provided with a long axis and a short axis perpendicular to the long axis. The width of the cross section of the flow guide part in the length direction of the long axis is gradually increased and then gradually decreased, the minimum width value of the cross section on one side of the short axis is larger than the minimum width value of the cross section on the other side of the short axis, the cross section of the flow guide part is in a water drop shape with one sharp end and the other round end, and the whole flow guide part is in a streamline shape; and airflow separation and vortex generation are reduced, ash retention is avoided, and the service life of the combustor is prolonged.

The utility model relates to the technical field of gangue detection, in particular to a measuring device for wear resistance of high-load gangue, which comprises a lifting support and further comprises a polishing tank fixed in the middle of the lifting support. The motor is fixedly mounted on the telescopic part of the lifting bracket; the clamp is fixed at the output end of the motor; the dust collecting bag is screwed at an outlet in the lower part of the polishing tank; and the impeller is fixed outside the clamp. Abrasive dust generated in the testing process naturally falls under the action of gravity, meanwhile, the impeller installed outside the clamp is driven by the motor to rotate to generate airflow disturbance, the abrasive dust is guided and accelerated to move downwards to the bottom of the grinding tank, and the dust collection bag located at an outlet in the lower portion of the grinding tank is in sealed connection with the grinding tank in a screwed mode. All abrasive dust can be effectively collected under the combined action of airflow disturbance and gravity, and the abrasive dust is prevented from being retained in the device.

The invention relates to the technical field of stamping dies, in particular to an automatic special flash cutting die which comprises an upper die, a lower die, an upper die seat and a lower die seat, the upper die and the lower die are used for die assembly and workpiece flash stamping and cutting, the upper die seat is used for mounting the upper die, and the lower die seat is used for mounting the lower die. The lower die is provided with a punching head which is matched with the punching groove and used for punching, the lower die base is provided with a waste separating mechanism used for processing flash waste, and the waste separating mechanism is arranged outside the punching head in a surrounding mode in the circumferential direction. The automatic special flash cutting die has the effects of improving the waste material die sleeving problem of the automatic special flash cutting die and improving the production continuity.

The utility model discloses an ecological environment-friendly soil remediation device which comprises a movable frame, a smashing mechanism is arranged on the top of the movable frame, an adjusting conveying structure is arranged on the front side of the top of the movable frame, and a screening structure is arranged on the rear side of the top of the movable frame. In the soil taking process of the environment-friendly ecological restoration equipment for the soil, the soil can smoothly enter the conveying belt through the bucket, the problem that the soil is detained on the soil shoveling plate is effectively avoided, the continuous soil taking capacity of the equipment is guaranteed, meanwhile, the conveying speed and angle of the equipment can be adjusted according to actual requirements, and the conveying efficiency of the equipment is improved. The soil remediation device is simple in structure and convenient to operate under different terrains and soil conditions, metal impurities in soil can be efficiently screened by arranging the screening structure, potential damage of metal objects to the soil quality is avoided, damage of metal fragments to the device is prevented, and therefore the quality and efficiency of soil remediation work are improved.

The grinding device for detecting the oil content of the vegetable protein food comprises a main body, a running mechanism, an adjusting mechanism and an auxiliary assembly, the running mechanism comprises a rotating piece, a conveying piece, a fixed piece, a movable piece and a roller bearing, and the adjusting mechanism comprises a threaded sleeve, a first spring, a positioning frame and a feeding box. The auxiliary assembly comprises a second spring, a push plate, a material receiving box and a supporting rod, under the mutual cooperation effect of the mechanisms, the device can evenly feed a sample into the grinding cavity, fluctuation caused by manual adding is avoided, the sample is evenly stressed in the grinding process, the uniformity of grinding particles is improved, the subsequent grease extraction efficiency is improved, and in addition, the device is convenient to use. The device can be used for different samples or different experiment stages in the same equipment, the utilization rate of the equipment is increased, and the influence of different grinding granularities on results can be quickly tried at the stage of developing a detection method.

This invention provides an endoplasmic reticulum-targeted single-chain cyclic poly(β-amino ester), its preparation method, and its applications. The structural formula of the endoplasmic reticulum-targeted single-chain cyclic poly(β-amino ester) is as follows. The endoplasmic reticulum-targeted single-chain cyclic poly(β-amino ester) exhibits excellent affinity for DNA, and the complex nanoparticles formed with DNA are uniformly distributed, stable, biodegradable, and biocompatible. The endoplasmic reticulum-targeted single-chain cyclic poly(β-amino ester) and DNA can be efficiently taken up by cells, exhibiting excellent endoplasmic reticulum targeting performance. It can overcome the limitations of gene retention in lysosomes and nuclear internalization of the complex nanoparticles, enabling efficient delivery of DNA and mRNA.

The utility model discloses a stamping device for manufacturing hardware fittings, which relates to the technical field of stamping devices and comprises a mounting table, a base plate arranged on the upper surface of the mounting table, a plate fixing mechanism arranged on the upper surface of the base plate, a position adjusting mechanism arranged between the base plate and the mounting table, and an L-shaped mounting plate fixedly mounted on the upper surface of the mounting table. A hydraulic machine is embedded in the upper surface of the L-shaped mounting plate, and the telescopic end of the hydraulic machine extends to the inner top of the L-shaped mounting plate and is fixedly connected with a connecting plate. Through the arrangement of the anti-pinch mechanism, during punching, the hydraulic machine descends through the punching head of the connecting plate belt until punching operation is completed, during the period, the connecting plate moves downwards to rotate through the transmission gear of the L-shaped rack belt, and the transmission gear rotates to drive the protection rod to rotate; the rotation of the protection rod can push out the hand of a person located below the stamping head, so that the anti-pinch effect is achieved, and the situation that the hand is left below the stamping head due to busy and distraction of the person is avoided.

This utility model discloses a glazing device for ceramic production, belonging to the field of ceramic production. It includes a glazing tank, with a mounting frame fixedly connected to the upper back side of the tank. A cylinder is fixedly mounted on the upper end of the mounting frame, and a mounting plate is fixedly connected to the lower end of the cylinder. A placement frame is engaged with the front end of the mounting plate via a movable block. A baffle is fixedly connected to the upper end of the glazing tank, and a partition is fixedly connected to the lower interior of the tank. A sealing block is engaged with the lower right side of the glazing tank. Through the coordinated use of these devices, the lower interior of the glazing tank is designed with an inclined structure. This inclined structure utilizes gravity to allow the glaze to flow naturally to the lower outlet, preventing glaze from stagnating or accumulating in the tank, reducing waste and cleaning difficulty. When glaze needs to be changed, the sealing block can be opened to quickly drain the glaze through the inclined surface, shortening downtime and improving production efficiency. The inclined design also reduces dead angles for glaze adhesion.

This invention discloses a sewing machine thread handling device and sewing equipment, relating to the field of sewing equipment technology. To address the problems of functional dispersion, structural redundancy, and low space utilization in existing technologies where the thread clamping and thread end collection structures are inefficient, this device includes a needle plate, a thread gripping assembly, and a thread clamping and suction assembly. Both the thread gripping assembly and the thread clamping and suction assembly are located on the needle plate. The thread gripping assembly includes a thread gripping component, and the thread clamping and suction assembly includes a thread clamping part and a suction channel. The thread gripping component and the thread clamping part are arranged opposite to each other to form a thread clamping area for gripping the thread. The suction inlet of the suction channel faces the thread clamping area. This arrangement ensures effective thread clamping while simultaneously collecting thread ends, effectively reducing the number of functional components, simplifying the device structure, and improving space utilization. It also allows thread ends to be immediately sucked in after being removed from the clamp, reducing the risk of thread residue and accumulation, and improving thread end processing efficiency and equipment operational reliability.

The utility model relates to the technical field of pest control box, disclose a corn is with field pest control box, including main box, the bottom fixedly connected with the chassis of main box, the top of chassis is provided with automatic mechanism, the top fixedly connected with the funnel frame of main box, the inner wall of main box is provided with the falling mechanism, automatic mechanism includes the feed tank, the bottom fixedly connected in the top of chassis of feed tank, the inner wall fixedly connected with the timing telescopic link of feed tank, the top fixedly connected with the bottom plate of timing telescopic link, the top fixedly connected with polyethylene pad of bottom plate, the inner wall of feed tank is set up with the storage groove. In the utility model, through material flow transfer timing telescopic link setting time telescopic, drive bottom plate to lift, polyethylene pad reduces bottom plate corrosion, through the conveying pipe with the storage tank in material outward transfer, support plate and sliding page cooperation simultaneously, guide material flow direction, reduced artificial cost.

The invention relates to the technical field of agricultural machinery, and discloses an agricultural weeding device and a use method thereof, the device comprises: a housing on which a plurality of operation boxes are arranged, the operation boxes are aligned with furrows; a rotating shaft; a shaft body; and a positioning rod; the shaft body starts to rotate and drives the mowing blades to rotate so as to cut weeds in furrows, meanwhile, the shaft body drives the drill bit to do reciprocating lifting motion through the linkage assembly so as to make contact with soil between the furrows before the blocking piece and conduct drilling and soil loosening, and when the blocking piece rotates, the soil obtained after drilling and soil loosening can be separated; namely, the soil on the moving path of the mowing blade is firstly drilled to be loosened and then is rotationally separated by the blocking piece, and the blocking piece can carry hard impurities in the soil to synchronously move, so that the hard impurities are prevented from being retained in the soil of furrows; therefore, the problem that the cutting edge of the mowing blade is damaged due to the fact that the subsequently arrived mowing blade makes contact with hard impurities in soil is solved.

The application provides a gas bath device and a semiconductor production equipment, the gas bath device comprises a plurality of air outlet walls, the plurality of air outlet walls are sequentially connected, and the length directions of the air outlet walls are the same; different air outlet walls are located in different planes, the planes where any two air outlet walls are located intersect, and each air outlet wall is provided with an air outlet hole; the gas bath device is applied to the semiconductor production equipment, the semiconductor production equipment further comprises a process cavity and a suction device, and the process cavity has a working area; the gas bath device is arranged in the process cavity and located at one side of the working area, and the gas bath device is higher than the working area; the suction device has a suction port, the suction port is arranged at the side of the working area away from the gas bath device, and the suction port is lower than the working area; the gas bath device blows the process cavity in different directions, avoids the formation of vortex of blowing gas in the process cavity, prevents the retention of pollutants in the process cavity, improves the cleanliness of the working area, and reduces the pollution of pollutants to the workpiece located in the working area.

The utility model discloses a drainage assembly of oxygen generator, aims at solving the problem of water content accumulation in compressed air reduces oxygen production efficiency and health safety. The component includes cyclone dehumidification mechanism, condensation dehumidification mechanism and adsorption dehumidification mechanism. Cyclone dehumidification mechanism separates large particle water drop through conical cylinder, and condensation dehumidification mechanism adopts vertical serpentine condenser pipe, and is matched with thermoelectric refrigerator and fin condenses water content, and condensate water is automatically discharged through first drain pipe and water collecting pipe, and adsorption dehumidification mechanism absorbs residual moisture with porous silicon dioxide. Each mechanism is smoothly connected through conical pipe and connecting pipe, realizes multistage dehumidification. The component can effectively reduce air moisture content, prevent condensate water retention, reduce microbial breeding, guarantee output air quality, and simultaneously give consideration to low energy consumption and operation stability, is applicable to medical oxygen generator, and has higher practical value.

This application discloses a gate structure for an injection mold, comprising a first end face, a first side face, a second side face, and a second end face. The first end of the first end face is connected to the outlet of a runner, and the second end of the first end face is connected to the second end face. The second end face is vertically positioned, with the first end face lower than the top surface of the outlet, and the first end of the first end face higher than the second end of the first end face. The first end of the first side face is connected to the outlet, and the second end of the first side face is connected to the second end face. The first end of the second side face is connected to the outlet, and the second end of the second side face is connected to the second end face. The distance between the first end of the first side face and the first end of the second side face is greater than the distance between the second end of the first side face and the second segment of the second side face. This injection mold gate structure, through the cooperation of the first end face, the first side face, and the second side face, forms a gradually changing runner cross-section. From the runner to the gate outlet, the runner has no sudden diameter changes or sharp corners, which can significantly reduce melt flow resistance and improve injection molding quality.

The utility model discloses a kind of catalyst activation liquid concentration devices, it is related to catalyst production field, including concentration bucket;Control panel is set to the outside middle part of concentration bucket;Feed pipe is set to the outside top of concentration bucket, discharge pipe is set to the outside bottom of concentration bucket;Collecting mechanism is set to the top end of concentration bucket, realize the water vapor produced when collecting activation liquid concentration;Stirring assembly is set to the inside of concentration bucket, realize to activation liquid is fully stirred.The utility model can gather and guide to water vapor, and smoothly guide to connecting pipe, under the action of inflow chamber, pressurizing port and diffusion chamber, avoid water vapor in long connecting pipe Steam retention or condensation in advance situation, simultaneously utilize cutting block to the high-speed shearing and cutting of small agglomerate particle, avoid producing local concentration uneven or particle settlement, so that activation liquid raw material is heated more evenly, improve the finished product quality of concentrated solution.

The utility model discloses an underground diaphragm wall I-shaped steel side wall brushing device, which relates to the technical field of underground wall construction, and comprises a rotary excavating shaft body, a flange plate is welded on the outer side of the rotary excavating shaft body, the top end of the flange plate is connected with an equipment shell, one side of the equipment shell is provided with a cleaning mechanism, and the cleaning mechanism is connected with the rotary excavating shaft body. The cleaning mechanism displaces the cleaning size and materials according to the cleaning requirement, then different attachments on the surface of the I-shaped steel can be effectively cleaned, a driving mechanism is arranged on one side of the cleaning mechanism, and the driving mechanism adjusts the moving range of the cleaning mechanism according to the size of the I-shaped steel and the cleaning requirement. The I-shaped steel cleaning efficiency is improved. Materials needed by the device are cheap and easy to obtain, and the device is simple in structure, portable and efficient; size modification and replacement can be carried out according to underground diaphragm walls with different groove diameters, the adaptability is high, and in the using process, an electric cylinder drives a concrete block brush head and a steel wire brush to carry out repeated brushing.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

The invention provides a continuous pressure regulation optimization method of an emergency throttle valve and the emergency throttle valve. The method comprises the following steps: S1, establishing an optimization target; s2, setting initial parameters; s3, performing opening degree simulation on the conical valve head; s4, selecting an angle value of a cone angle of the valve head, and performing opening degree simulation on the piecewise function type valve head; s5, adjusting an angle value of a cone angle of the valve head, and performing opening degree simulation of throttling ports at different displacement positions of a valve core on the piecewise function type valve head; and S6, adjusting the outlet aperture of the outlet channel to carry out openness simulation, and determining the outlet aperture value of the outlet channel. According to the invention, continuous pressure regulation and pollution resistance of the emergency throttle valve under the condition of constant flow are taken as improvement targets, the structure of the cone angle of the valve core and the valve head is improved, and a logarithmic function form is adopted, so that the drainage basin of the emergency throttle valve is streamlined, and pollution particles in oil can easily flow out of the emergency throttle valve along with hydraulic oil; pollution particles are prevented from being retained in the valve, the cone angle of the valve head is variable, and then continuous change of pressure is achieved.

This invention relates to the field of coated sand regeneration dust removal technology, and discloses a coated sand fluidized bed cyclone dust collector, including a shell, a waste box fixedly connected to the top of the shell, a cyclone cylinder fixedly connected to the top of the waste box, an air supply mechanism installed on one side of the top of the cyclone cylinder, a top cover fixedly connected to the top of the air supply mechanism, an adsorption mechanism installed on the top of the top cover, and a discharge cylinder. This coated sand fluidized bed cyclone dust collector, through an indirect discharge mechanism, an anti-adsorption and shaking mechanism, a rotary dust removal mechanism, and an air duct guiding mechanism, achieves intermittent lifting and sealing of the discharge cylinder, intermittent discharge, and, in conjunction with a linkage vibration anti-blocking mechanism, a cylinder wall rotation self-cleaning mechanism, and a forced swirl guiding structure, stabilizes the internal airflow and improves the dust separation effect. The entire machine adopts an integrated mechanical linkage design, resulting in low manufacturing costs, effectively improving dust removal accuracy and sand recovery rate, and is suitable for large-scale continuous regeneration dust removal operations of coated sand.

The invention discloses a nectariferous plant pollinator path tracking and marking system, and particularly relates to the technical field of biology, the nectariferous plant pollinator path tracking and marking system comprises a hanging cylinder, the center of the upper surface of the hanging cylinder is fixedly connected with a connecting column, and the two side surfaces of the connecting column are fixedly connected with a left hanging rope and a right hanging rope respectively; a circuit board is fixedly installed in the hanging cylinder, an adjusting assembly is fixedly installed on the surface of the circuit board, and a disassembling assembly is installed at the joint of the left hanging rope and the right hanging rope. According to the invention, by installing the disassembling assembly, after the path tracking marking of a pollinator is finished, the right hanging rope can be separated from the left hanging rope, the hanging cylinder can fall off from the pollinator, the risk that the equipment is damaged or lost can be reduced by the automatic separation function, and the audible and visual alarm is started, so that a worker can quickly find the equipment, and the labor intensity of the worker is reduced. And the signal amplifier can be automatically recovered and stored in the bottom cover, so that the risk that the signal amplifier is damaged due to collision is avoided, and the service life of the equipment is prolonged.

This invention discloses a side-mounted magnetic stirring device and method. The device includes a storage unit, a spherical stir bar placed inside it, and a magnetic stirrer disposed on its outer wall. The spherical stir bar has an embedded magnet, and the magnetic stirrer drives the spherical stir bar to roll and / or rotate through a magnetic field. The outer wall of the storage unit may be provided with a slide rail or guide groove, and the magnetic stirrer can move axially via a slider or roller; it may also include a fixing component and an adjusting screw for connecting the magnetic stirrer and the liquid-pushing piston and adjusting their relative positions. The method includes placing the spherical stir bar inside the storage unit, starting the magnetic stirrer to drive stirring, and making the magnetic stirrer move synchronously with the liquid-pushing piston. This invention requires no modification to the opening, does not occupy bottom space, has no leakage risk, and is easy to assemble and disassemble, making it particularly suitable for tubular liquid storage units with limited bottom space or requiring temporary stirring.

The utility model discloses a high magnesium waste material melting device capable of inhibiting waste gas, which comprises a material melting box, a continuous processing mechanism, a one-way sealing mechanism and a sealing adjusting mechanism, the continuous processing mechanism comprises a first reaction box, a second reaction box, an extending pipe and a gas inlet pipe, the one-way sealing mechanism comprises a one-way pipe, a mounting table, a sliding rod, a matching table, a sealing plate and a guide frame, by arranging the first reaction box, the second reaction box and the communicated stretching-in pipe, waste gas can continuously flow and react in the chemical material box, waste gas retention and treatment interruption are avoided, the waste gas treatment continuity and efficiency are remarkably improved, and the waste gas treatment efficiency is improved. Through cooperation of the one-way pipe, the sealing plate and the matching table, it is ensured that a reactant can only flow in the set direction in the treatment process, waste gas is effectively prevented from flowing reversely or leaking, and therefore the sealing performance and safety of the system are improved.

The utility model provides chemical liquid filtering equipment capable of quickly replacing filter elements, which comprises a filtering tank, an annular seat is fixedly mounted at an opening of the filtering tank, a plurality of filter elements are detachably and fixedly mounted in the filtering tank through a support cylinder, the filter elements are connected with the support cylinder in a pluggable manner, and the annular seat is fixedly mounted on the annular seat. An opening end of the filter element is communicated with the interior of the filter tank, a liquid discharge pipe is fixedly mounted at the bottom of the filter tank and is communicated with the interior of the filter tank, a liquid inlet pipe is fixedly mounted on the annular seat and is communicated with the interior of the filter tank, and a sealing cover is detachably and fixedly mounted on the annular seat; according to the design, the overall and local maintenance requirements are considered: when the filter elements need to be replaced in batches, all the filter elements can be synchronously disassembled by disassembling the supporting cylinder, and one-by-one disassembly and assembly are avoided; if a single filter element is damaged, the filter element can be independently plugged and replaced, and the operation is flexible. And the supporting cylinder has an anti-deposition function and can be taken out together with bottom impurities during cleaning, so that the maintenance efficiency is remarkably improved.

The application discloses a device for recycling asphalt in waste asphalt mixture, which comprises a main box body, a bottom plate fixed to the lower side of the main box body, a bottom frame fixedly connected to the lower side of the bottom plate for supporting, a feeding hopper fixedly installed at the top rear side of the main box body, and a cooling and conveying mechanism arranged in the main box body for cooling and conveying the asphalt mixture. The cooling and conveying mechanism is used for uniformly cooling the asphalt mixture to zero below, so that the asphalt material becomes brittle and fragile, and the stone material still maintains the original strength at low temperature due to the material characteristics. The extrusion mechanism uses an elastic rotating structure to apply controllable extrusion force to the mixture, the brittle asphalt material is preferentially crushed, and the stone material is hardly damaged in the extrusion process and can fall into a stone collecting hopper in an intact form. The device greatly improves the recycling rate of the stone material, the intact stone material can be directly used for road base or concrete aggregate, and secondary processing is not needed, so that the cost of stone purchase and reprocessing is remarkably reduced.