87results about How to "Quick contact" patented technology

The utility model provides a fast closing circuit breaker, which comprises a contact mechanism, an operating mechanism and a limiting assembly, in the closing process, a moving contact has a first state in which the moving contact is linked with a moving contact frame and rotates towards a direction close to a static contact, and a second state in which the moving contact keeps a constant distance from the static contact after abutting against a limiting block and a first elastic piece stores energy; compared with the prior art, through the arrangement of the energy storage mechanism, the movable contact and the static contact can be quickly connected, the phenomenon that the contact is ablated or welded due to high temperature due to the fact that the contact is connected or disconnected due to human factors is avoided, and the safety of the contact is improved. And the service life of the circuit breaker is prolonged.

The invention discloses full-automatic detection equipment for an FPC (flexible printed circuit) board, relates to the technical field of FPC board detection, solves the problems of complicated operation and low detection efficiency of the FPC board, and comprises a feeding tray arranging machine, a discharging tray arranging machine, a carrying device and a rotary detection device, the carrying device comprises a suction assembly capable of moving up and down and transversely, and the suction assembly is provided with a plurality of suction nozzles. The rotary detection device comprises a rotary table, two lower positioning detection modules and an upper pressing module, each lower positioning detection module comprises an upper carrier plate and a positioning mold, and each positioning mold comprises a first needle mold plate, a second needle mold plate, a first connecting module, a second connecting module, a needle mold fixing block and a magnet. The automatic feeding and discharging device has the advantages of being high in automation degree, high in detection efficiency and the like, has the automatic feeding and discharging function, and can detect changes of numerical values such as capacitance, voltage, current and resistance of the FPC circuit board through a detection instrument after the FPC circuit board is positioned and powered on.

The invention discloses an acid-making process using hydrogen sulfide waste gas and waste sulfuric acid, and relates to the technical field of acid-making processes, and the acid-making process specifically comprises the following steps: step 1, high-temperature reaction and gas generation, step 2, gas purification and conversion, a demister and a spraying assembly are used for removing dust, impurities and harmful substances in the gas; and step 3, sulfur trioxide absorption and sulfuric acid preparation. According to the acid-making process using the hydrogen sulfide waste gas and the waste sulfuric acid, the absorption slurry is sprayed out through the nozzle to be in countercurrent contact with the gas mixture, physical absorption and chemical reaction are combined, dust, impurities and other harmful substances in the gas mixture are effectively removed, and the gas purification efficiency is improved; the nozzles at the upper end and the lower end are used for spraying and cleaning the corrugated plate, it is ensured that the corrugated plate is always kept clean, system efficiency reduction caused by blockage or pollution of the corrugated plate is reduced, and the operation efficiency and stability of the whole system are improved.

The invention discloses a preparation method of a coated glass cleaning solution, and relates to the technical field of preparation of coated glass cleaning solutions. Preparation of the coated glass cleaning liquid is completed through cooperation of a preparation table, a reaction kettle body, a separate storage mechanism, a flow dividing mechanism, a separate taking mechanism and a driving mechanism, the reaction kettle body is fixedly connected to the upper end face of the preparation table, and the separate storage mechanisms used for storing different additives are arranged on the upper end face of the preparation table and located over the reaction kettle body; according to the invention, through the cooperation of the separate taking mechanism and the separate storage mechanism, different additives are automatically and sequentially added into the reaction kettle, the operation time is shortened, the addition sequence is ensured to be correct, and the operation efficiency is improved. And the additive is divided into a plurality of strands through the flow dividing mechanism to be fed into the reaction kettle from different positions, so that the centralized deposition phenomenon is effectively reduced, the contact efficiency of the additive and the main mixed liquid is improved, and the uniform mixing effect is promoted.

The invention discloses a wastewater treatment device for the semiconductor industry, and belongs to the technical field of wastewater treatment.The wastewater treatment device for the semiconductor industry comprises a main body, a supporting frame is fixedly connected to the outer wall of the main body, a wastewater inlet pipe is fixedly connected to one side of the top of the main body, and a driving mechanism is installed on the inner wall of a storage cavity; a spraying mechanism is mounted at the top of the main body, a stirring mechanism is mounted on the outer wall of the driving mechanism, and a wastewater outlet pipe is fixedly connected to the outer wall of the main body. By designing the driving mechanism, the spraying mechanism and the stirring mechanism, wastewater and an adsorbent can be quickly mixed, the wastewater can be treated, meanwhile, the angle of stirring blades can be selected, the treatment rate can be increased in the wastewater treatment process of different methods, in addition, the spraying mechanism can move up and down along with stirring, and the treatment efficiency is improved. Therefore, the treatment efficiency is improved, and the method has wide application prospects in the field of wastewater treatment.

The invention discloses a traction device for clinical use in the orthopedics department and a using method of the traction device, and relates to the technical field of medical assistion.The traction device comprises a supporting ring, a plurality of telescopic rods are fixedly arranged at the top of the supporting ring, a traction ring is fixedly arranged at the tops of the telescopic rods, and an air bag is arranged at the top of the traction ring; two buffer grooves are formed in the top of the supporting ring, and two air outlet grooves are formed in the side wall of the supporting ring. Through the arrangement of a trapezoidal block, two release springs and two L-shaped switching rods, a patient can quickly release traction by himself / herself, the safety is high, the operation is simple, convenient and quick, and through the arrangement of a buffer plate, a limiting sliding groove, a first one-way plate, a first torsional spring, a first connecting shaft, a second one-way plate, a second connecting shaft, a second torsional spring and a sealing plate, the safety of the patient is improved. Rapid contact traction is achieved when a patient feels uncomfortable, too fast collision and friction can be avoided during cervical vertebra reduction, and the spine safety of the patient is guaranteed.

The invention discloses a modification method of nano silicon dioxide and modified asphalt, and belongs to the technical field of asphalt modifiers or silicon compounds. Nano-particles are easy to settle in the modified asphalt due to different densities when the nano-materials are used for modifying the asphalt, so that the storage stability of the modified asphalt is poor, and after the nano-particles settle, the nano-particles are mutually gathered, so that the viscosity of the nano-modified asphalt is greatly increased, and the asphalt is fractured. The preparation method comprises the following steps: 1) stirring and mixing nano silicon dioxide and a thickening agent dispersion liquid, separating, washing and drying to obtain nano silicon dioxide coated with a thickening agent; wherein the thickening agent is a polyethylene glycol aqueous solution; and 2) adding the nano-silica coated with the thickening agent into the naphthenate solution, and carrying out constant temperature reaction, separation, washing and drying to obtain the modified nano-silica, the solvent in the naphthenate solution being a benzene solvent, so that the intersolubility of the nano-silica and asphalt is improved, network winding is formed, and the settling resistance of nano-silica particles is increased.

The invention discloses indoor efficient air dust removal equipment for constructional engineering, and relates to the technical field of indoor air purifiers, the indoor efficient air dust removal equipment for constructional engineering comprises a base, a dust removal box is connected to the base through a reciprocating mechanism, four dust suction fans which are uniformly distributed are mounted at the bottom of the dust removal box, and an air homogenizing cover fixedly communicates with the top of the dust removal box; an air guide mechanism is arranged in the air equalizing cover, and the air guide mechanism comprises a plurality of equidistantly distributed rotary air guide assemblies and a synchronous driving assembly. The rotary dust collection mechanism is arranged, in the dust collection process, the dust collection cover at one end of the dust collection pipe is made to rotate so as to achieve the all-dimensional multi-angle dust collection effect of the dust collection cover, and therefore the indoor dust collection efficiency of the air dust collection equipment can be improved; and the reciprocating motion mechanism is arranged, in the dust collection process, the dust collection box can reciprocate in the horizontal direction, in this way, the dust collection area of the whole air dust collection equipment can be effectively enlarged, and the dust collection efficiency of indoor air is further improved.

The invention relates to the technical field of waste gas treatment, and discloses laboratory fume hood waste gas treatment equipment which comprises a treatment box, an air inlet pipe is fixedly connected to the front side face of the treatment box, a reciprocating lead screw is arranged in the air inlet pipe, and fixing clamping plates are fixedly connected to the upper face and the lower face of the inner wall of the treatment box. According to the device, large-particle impurities in waste gas are blocked by the filter plate and separated from the waste gas, so that the waste gas is preliminarily filtered, follow-up treatment is facilitated, the large-particle impurities on the filter plate are shaken off through vibration of the movable clamping plate and the filter plate, the filter plate is prevented from being blocked, continuous filtering is facilitated, and the filtering efficiency is improved; large-particle impurities falling into the treatment box can be treated by pushing a sliding baffle to open the treatment box, and at the moment, a filtering plate can be taken out to be cleaned, so that the large-particle impurities cannot be accumulated in the treatment box, and the waste gas filtering effect of the device is further promoted.

The invention belongs to the technical field of essential oil patches, and discloses a slow-release sleep-aiding essential oil patch and an essential oil formula. The essential oil patch comprises a surface layer, an essential oil layer, an isolating layer, a sticking layer and a protective layer, the essential oil layer contains a sustained-release microcapsule, and the sustained-release microcapsule comprises a microcapsule wall material and a sustained-release sleep-aiding essential oil core material. The essential oil formula comprises the following raw materials: lavender essential oil, sandalwood essential oil, pelargonium graveolens essential oil, bergamot fruit essential oil, vetiver root essential oil, rose essential oil, eucalyptus globulus leaf essential oil, frankincense essential oil and manuka essential oil. According to the slow-release sleep-aiding essential oil patch, the sleep-aiding essential oil is wrapped in a microcapsule form, so that the sleep-aiding essential oil can be slowly released, the fragrance can be continuously retained, and the sleep of a human body can be assisted. The raw materials of the sleep-aiding essential oil are all natural essential oil, drug dependence and side effects are avoided, the essential oil raw materials are all processed into small molecular structures, the small molecular essential oil can rapidly make contact with respiratory mucosa and permeate into a blood circulation system through blood vessels and lymphatic vessels to play a role, and the sleep-aiding essential oil is rapid in effect taking and high in practicability.

The utility model discloses a mobile contaminated soil remediation device, which relates to the technical field of soil remediation and comprises a mobile device, a carrier plate fixedly mounted on the mobile device, two reinforcing plates arranged between the mobile device and the carrier plate, two hydraulic cylinders arranged on the carrier plate, and a supporting plate fixedly mounted at the output ends of the two hydraulic cylinders. A pump machine and a liquid supply assembly are arranged on the supporting plate, and the liquid supply assembly is used for supplying a repairing reagent. The contaminated soil can be dug out through the soil turning assemblies, so that the deep soil can be in rapid contact with the remediation reagent sprayed by the spray heads on the liquid guide pipes, the permeation speed of the remediation reagent is increased, and the remediation efficiency of the contaminated soil is improved; the multiple soil turning assemblies are linearly arranged, and the multiple liquid guide pipes and the multiple soil turning assemblies are arranged at intervals; the contaminated soil can be turned up for multiple times and is scattered in the turning-up process, so that the remediation efficiency of the contaminated soil can be further improved by spraying the remediation reagent to the contaminated soil for multiple times through the liquid guide pipes.

The application provides a burner for producing acid by using low-concentration acid gas and waste gas and a use method, and the burner comprises a burner shell, a large flue and a small flue are formed in the burner shell; an external mixing type long-lasting lamp is used for providing a continuous light for the small flue; a low-concentration acid gas lance is used for spraying low-concentration acid gas into the small flue; a sulfur-containing waste gas collecting chamber is used for spraying sulfur-containing waste gas into the large flue; a combustion air collecting chamber is used for providing combustion main air to the small flue; a temperature-adjusting air collecting chamber is used for inputting temperature-adjusting air to the large flue; and a flame detector is used for detecting the quality of the flame. According to the application, the temperature-adjusting air is branched from the main air, the temperature of the small flue is increased, the stability of the flame is ensured, the sulfur-containing waste gas is sprayed from the periphery of the main flame, does not impact the main flame and is rapidly contacted with the high-temperature flue gas of the main flame, the oxidation effect is ensured, the sulfur-containing fuel gas and the sulfur-containing methanol liquid can be used for supplementing heat and increasing the temperature of the flame, and the safe and stable operation of the burner is ensured.

The utility model discloses a filtering device for magnesium sulfate production, which relates to the technical field of filtering equipment and comprises a filtering box, a main shaft is inserted into the bottom end in the filtering box in a penetrating manner, the filtering box is rotatably connected with the main shaft, and a plurality of main plates are fixed on the outer wall of the main shaft. A first filter cylinder, a second filter cylinder and a third filter cylinder are inserted into the filter box and located outside the main shaft, and a main plate on the outer wall of the main shaft can stir liquid in the first filter cylinder under the work of the motor; the main shaft penetrates through a second multi-angle groove in the top plate and a first multi-angle groove of the main shaft through a multi-angle inserting rod and then is connected with three sets of lug plates in a limiting mode, and the auxiliary shaft and the auxiliary plate can be used for stirring liquid between the outer wall of the first filter cylinder and the inner wall of the second filter cylinder, liquid between the outer wall of the second filter cylinder and the inner wall of the third filter cylinder and liquid between the outer wall of the third filter cylinder and the inner wall of the filter box; the liquid can be in full and rapid contact with the filter cartridge I, the filter cartridge II and the filter cartridge III, so that the filtering effect is improved, and the filtering time is shortened.

The present invention discloses an elevator early warning voice soothing system, including a video and voice device, a wireless transmitter, an installation box, a control console and a control seat. The front end of the video and voice device is provided with a display, a button and a speaker. The inside of the video and voice device is provided with a power box. The outside of the video and voice device is provided with an insulating protective pad and a protective frame. The control console is connected to a monitoring control terminal, and the monitoring control terminal is connected to an electrical line. The elevator early warning voice soothing system described in the present invention is provided with a video and voice device, a control console and an equipment protection installation mechanism. It can facilitate the rapid connection between the elevator and the service personnel when the elevator fails. It can use video and voice to soothe the emotions of the elevator passengers and facilitate the service personnel to control it more quickly. It can also facilitate the protection of the equipment. It has the functions of dustproof and anti-external force collision, and is more practical.

The utility model discloses a refrigerator and relates to the technical field of household appliances, the refrigerator comprises a refrigerator body, a rear end anti-toppling piece, at least one refrigerator door and a front end anti-toppling piece, the refrigerator body is provided with a containing cavity with an opening in the front end, and the containing cavity comprises at least one chamber; the rear-end anti-toppling piece comprises a rear-end supporting part at least partially protruding out of the bottom of the box body; the front-end anti-toppling piece comprises a front-end supporting part at least partially protruding out of the bottom of the box door. According to the technical scheme, in the production process, if the refrigerator topples over on a production line and the refrigerator body rotates, the front-end supporting part and the rear-end supporting part can rotate along with the refrigerator body, due to the fact that at least part of the front-end supporting part protrudes out of the bottom of the refrigerator door, and at least part of the rear-end supporting part protrudes out of the bottom of the refrigerator body, when the refrigerator body inclines forwards or backwards, the front-end supporting part and the rear-end supporting part can rotate along with the refrigerator body. And if the refrigerator falls down, the front-end supporting part or the rear-end supporting part can quickly make contact with the production line to support the refrigerator body, and the refrigerator is prevented from continuously falling down.

The present invention discloses a building safety construction passage structure capable of reducing the risk of injuries caused by falling objects, comprising: a falling object resisting mechanism, a side guiding mechanism arranged on the falling object resisting mechanism, a plurality of columns arranged at the bottom of the falling object resisting mechanism and a side protection mechanism arranged on the columns; the falling object resisting mechanism comprises two side support shells, a side support frame connected between the two side support shells, a winding shaft arranged in the side support shells, a wire rope net wound around the winding shaft and an elastic net arranged on both sides of the wire rope net; the two ends of the winding shaft are respectively fixedly connected with a first gear, and each first gear is respectively meshed with a second gear. The building safety construction passage structure capable of reducing the risk of injuries caused by falling objects disclosed by the present invention has the dual effects of ensuring firmness and providing buffering force, and can optimize the load-bearing capacity of the protection structure to the greatest extent, thereby reducing the risk of injuries caused by falling objects.

The present invention discloses a wind farm tower inclination monitoring system and a precise wind direction method, comprising a wind turbine and an annular base, wherein an auxiliary plate is arranged on the wind turbine, and an inclination sensor which can monitor the inclination of the wind turbine in real time is arranged on the auxiliary plate, the wind turbine is located in the annular base, and concrete columns are arranged around the bottom of the annular base, and an anti-deviation mechanism is arranged on the tower of the wind turbine. By arranging the inclination sensor, the inclination angle of the tower deflection when the wind speed is stable can be monitored in real time, so as to accurately identify and calibrate the wind direction, so that the wind turbine can quickly adjust the direction of the fan blades according to the wind direction, so as to achieve precise wind direction, and by arranging the anti-deviation mechanism, the inclined tower can be supported, and with the cooperation of a first electric telescopic rod and a second electric telescopic rod, the length and angle of the supporting square plate can be fine-tuned, so that the inclination of the tower can be corrected.

The utility model relates to the technical field of pressing force testing, and discloses a pressing force adjusting device which is characterized in that a fixing plate is provided with a stepped hole; the screw rod is in threaded connection with the first threaded hole of the stepped hole; the exterior of the sleeve is connected to a second hole of the stepped hole; one end of the pressing column is in pressure abutting contact with the to-be-pressed part, and the other end slides in the sleeve; the elastic piece is arranged in the sleeve and located between the screw rod and the other end of the pressing column. The pressing force adjusting device is suitable for compressing the elastic piece by screwing a screw rod with scales, and then pushing force is applied to the pressing column through the elastic piece, so that the pressing column is used for pressing the part to be pressed. And the scales correspond to the pressing force of the pressing column on the to-be-pressed part. According to the device, the screw rod is screwed, the relation between the scales and the applied pressing force is utilized, the pressing degree of the to-be-pressed part is accurately adjusted, the requirement for the skill level of an operator is remarkably lowered, and ordinary personnel without related skills can accurately adjust the pressing force on the part.

The utility model provides a rotor transmission structure and a screw compressor. The rotor comprises a male rotor arranged in an axial rotation mode and a plurality of female rotors arranged around the male rotor, the transmission structure comprises a driving gear, and the driving gear is installed on the shaft section of the male rotor; each driven gear is mounted on the shaft section of each female rotor, so that the plurality of driven gears are arranged around the driving gear and are meshed with the driving gear; and the inner gear ring is arranged around the driven gears and engaged with the driven gears. When the driven gear is meshed with the inner gear ring and the driving gear at the same time, the rotation stability of the driven gear is obviously improved. When the rotor rotates reversely, the reverse contact face of the driven gear can be connected with the inner gear ring or the driving gear more quickly, the response speed of the reverse contact face is earlier than that of tooth face contact generated by reverse movement of the rotor body, and therefore the tooth face collision fault caused by sudden change of the movement direction of the rotor is avoided.

The utility model discloses a flexographic printing roller self-cleaning device which comprises an installation frame and a fixing frame, a driving assembly is installed on the top of the installation frame, two supporting blocks are fixedly connected to the top of the fixing frame, a printing roller is fixedly connected between the two supporting blocks, a scraping plate is fixedly connected to the inner wall of the fixing frame, and the scraping plate is fixedly connected to the bottom of the fixing frame. The end of the scraping plate makes contact with the outer wall of the printing roller, and the tops of the two supporting blocks are fixedly connected with a water storage box. Wherein one conveying pump injects water into a water storage box through a hose, the water in the water storage box drops onto a cleaning roller through a plurality of droppers, meanwhile, the situation that the water on a printing roller drops into a printing machine due to the fact that the water drops directly drop onto the printing roller is avoided, a scraping plate can guide water stains on the surface of the printing roller into a fixing frame, and the printing efficiency is improved. According to the design, the printing roller can be cleaned, and the situation that cleaning liquid on the surface of the printing roller drips and pollutes the interior of the printing machine is avoided.

The invention discloses a device for crushing and drying fresh Rhizoma Anemarrhenae epidermis and a process thereof, and relates to the technical field of crushing and drying of medicinal materials. The invention comprises a crushing body, a filtering component fixedly arranged at an air outlet end at the bottom of the crushing body, a gas dryer fixedly arranged at an air outlet end of the filtering component, and an air heating pump fixedly arranged at an air outlet end of the gas dryer, wherein the air outlet end of the air heating pump is connected to an air inlet end at the top of the crushing body; the crushing body comprises a shell component, a separation component movably arranged in the middle of the shell component, and a crushing component movably arranged inside the separation component; the shell component comprises a seat component, and a support component fixedly arranged above the seat component; the invention removes Rhizoma Anemarrhenae fibros, villi and epidermis by rubbing the surface of Rhizoma Anemarrhenae while drying, so that the Rhizoma Anemarrhenae fibros, villi and epidermis can be discharged in time, the surface of Rhizoma Anemarrhenae is less damaged, the Rhizoma Anemarrhenae pulp can be prevented from being damaged and wasted, and the peeling quality is high and the effect is good.

This utility model provides a plaque cutting device with retractable rotary cutting blades, belonging to the field of medical device technology. It includes: a cutting catheter, a cutting section, a dilator, a balloon, a blade holder, and multiple rotary cutting blades. The outer surface of the cutting catheter has a cutting opening; the cutting section is disposed on the surface of the cutting opening; the inner side of the cutting catheter has a cavity, and the dilator is detachably installed in the cavity; the balloon is disposed on the cutting catheter; one end of the blade holder is rotatably mounted on the cutting section, and the other end is mounted on the balloon, the balloon being used to drive the rotation of the blade holder relative to the cutting catheter; multiple rotary cutting blades are distributed on the blade holder. This device solves the problems of inconvenient blade holder storage and unstable plaque occlusion after cutting.

The invention discloses transition metal oxide / polymer gel and a preparation method thereof, a negative active material, a negative pole piece and a lithium ion battery, and belongs to the technical field of lithium ion batteries. The preparation method comprises the following steps: adding a transition metal oxide into a conductive polymer monomer-phytic acid aqueous solution, uniformly dispersing, adding an ammonium persulfate aqueous solution, and carrying out ice-bath ultrasonic treatment to obtain the gel, the molar ratio of the transition metal oxide to the conductive polymer monomer is (0.38-0.63): (0.05-1.2); and / or the molar ratio of the conductive polymer monomer to the phytic acid is (0.05-1.2): (0.03-0.5). The gel is composed of the transition metal oxide coated with the conductive polymer gel layer, use of solvents and the like is avoided, the cost is reduced, oxide particles are connected through a three-dimensional porous network of the conductive polymer gel, rapid transmission of electrons and ions is facilitated, and the conductivity of the conductive polymer gel is improved. Meanwhile, stress generated by volume expansion / shrinkage of the transition metal oxide during charging and discharging is effectively buffered, and the specific capacity, the cycling stability and the rate capability of the battery are improved.

The utility model belongs to the technical field of sand mills, and particularly relates to a vertical sand mill which comprises a bottom plate, a supporting seat fixedly connected to the upper end of the bottom plate, a supporting ring fixedly connected to the interior of the supporting seat, a sand milling barrel rotationally connected to the interior of the supporting ring, and an end cover arranged at the upper end of the sand milling barrel. A lifting mechanism is arranged on the rear side of the upper end of the bottom plate, a power mechanism and a moving plate are arranged at the front end of the lifting mechanism, a fixing shaft is rotationally connected into the moving plate, the lower end of the fixing shaft penetrates through the end cover and is slidably connected with the end cover, a sanding disc and stirring blades are fixedly connected to the circumferential surface of the fixing shaft, and the stirring blades are located at the bottom of the fixing shaft. By arranging the power mechanism, the rotating directions of the sanding disc and the sanding barrel can be opposite, so that when a liquid material in the sanding barrel is ground, the liquid material can be in contact with the sanding disc more quickly, the liquid material can be ground more quickly, and the grinding efficiency is improved.

The utility model discloses grass cutting and kneading equipment for livestock breeding, and relates to the technical field of livestock trough processing. Comprising a mounting bracket, the mounting bracket is provided with a processing mechanism for animal husbandry edible weeds, and the processing mechanism is characterized in that a hay cutter is inserted into a clamping groove in the outer side of a first mounting block through a clamping block, then a second bolt is rotated to mount and dismount the hay cutter, and when the hay cutter is abraded or damaged, the hay cutter can be mounted and dismounted. The second mounting block is arranged on one side of the first mounting block, a plurality of groups of hay cutting knives can be mounted, the distance between hay cutting grooves can be controlled, a plurality of groups of hay cutting knives can be mounted, and the distance between the hay cutting knives can be accurately controlled by adjusting the clamping positions of the hay cutting knives on the clamping grooves; the distance is increased when thick and hard forage is processed, the distance is reduced when thin and soft forage is processed, it is ensured that the best forage cutting effect is achieved, and the adaptability of the equipment to different kinds of forage is improved.

The utility model discloses an intelligent access control device for property management, and relates to the technical field of access control management. According to the technical scheme, the intelligent access control device for property management is characterized in that a password input device and an access control card swiping device are electrically connected with a multifunctional mainboard to form multiple access control device access modes, and the situation that people cannot enter and exit a community due to face recognition errors caused by the single access mode is avoided; according to the intelligent access control device for property management, the sound equipment and the call button are electrically connected with the multifunctional main board to form the call sound transmission device, so that an in-out person can quickly contact with a security guard, and problems of the in-out person can be transmitted and properly handled.

This utility model belongs to the field of flocculation tank technology and discloses a novel flocculation reaction tank for special-purpose vehicles, including a reaction cylinder with a reaction tank inside. A protective cover is installed on the top of the reaction cylinder, covering the upper end of the reaction tank. A stirring mechanism is installed inside the reaction tank, with its upper end extending to the top of the protective cover and connected to a drive motor fixedly installed on the top of the protective cover. A feeding assembly is located above the protective cover. Due to the feeding assembly, the feeding mechanism, in conjunction with the feeding pipe and connecting pipe, can extend to the bottom of the reaction tank. With the assistance of a feeding rod, flocculant can be added to different depths within the reaction tank from above the reaction cylinder, allowing the added flocculant to quickly contact and mix with the surrounding sewage, thereby effectively improving the flocculation reaction treatment efficiency.

The utility model provides a drying device for drying sludge by using waste oil, which relates to the technical field of sludge treatment devices and comprises a wet sludge conveyor inserted into a frying and drying tank, a molding plate is welded at a discharge port of the wet sludge conveyor, a round hole is formed in the surface of the molding plate and communicated with a connecting pipe, and the diameter of the connecting pipe is the same as that of the round hole. The end, deviating from the molding plate, of the connecting pipe is connected with a feeding port of a drying screw conveyor, and the drying screw conveyor penetrates out of a discharging port of the frying and drying tank and is arranged above the dry sludge bin; the technical problems that in the prior art, the drying period is long, cooperative treatment with waste oil is not achieved, and resources are wasted are solved, and the technical effects that energy consumption is reduced, drying time is shortened, sludge and waste oil are synchronously treated, and resources are cooperatively utilized are achieved.

The invention relates to the technical field of conveying equipment, and discloses food processing conveying equipment capable of conveniently cleaning residual materials, which comprises a cart, an upper conveying table is fixedly mounted at the top of the cart, a conveying table is fixedly mounted on the inner wall of the cart, and a cleaning device is arranged at the bottom of the cart. A rolling device is arranged on the inner wall of the cleaning device, and a pushing device is arranged at the top of the cart; the cleaning device comprises a collecting box, a motor, a brush barrel, a fixing rod, a connecting column, a telescopic plate, a first contact plate, bristles, an inner plate, a first spring telescopic column, a first guide plate and a second guide plate, and the collecting box is fixedly connected to the bottom of the cart. And dust and residual materials brushed off by the brush are shaken off when falling on the brush barrel, so that subsequent adhered peels can be crushed more conveniently.