41results about How to "Realize self-cleaning function" patented technology

This application relates to a borehole wall sealing and plugging device, comprising a scraper body extending along a first direction, one end of which is used to connect to a drill rod, and the other end of which is provided with a reserved slot extending along the first direction; and multiple combined blades, which are detachably connected to the scraper body; each combined blade has a connecting end and a working end, the connecting end being disposed within the scraper body, and the working end extending outward through the reserved slot, the reserved slot cooperating with the combined blade to position the combined blade; the working radii of the working ends of the multiple combined blades are different. This utility model designs the drill bit as an assembled modular structure, allowing for simple on-site assembly, shortening processing time, reducing on-site workload, and allowing for the replacement of the combined blades according to the borehole size during use. Compared with a general one-piece molded scraper, it is more economical and has higher work efficiency.

This utility model discloses a lightweight coated grille, relating to the field of automotive grille technology. It includes a metal mesh substrate, with a composite coating applied to the outer side of the metal mesh substrate. The composite coating is sequentially configured as a primer layer, a core layer, a transition layer, and a top layer. The primer layer comprises a conversion layer and a protective layer, with the inner side of the conversion layer and the outer side of the protective layer contacting the outer side of the metal mesh substrate and the inner side of the core layer, respectively. The conversion layer is a nano-zirconium-based conversion agent coating, the protective layer is a graphene-containing epoxy zinc-rich primer coating, and the core layer is a hollow ceramic microparticle-modified polyurethane coating. The outer side of the core layer contacts the inner side of the transition layer, and the outer side of the transition layer contacts the inner side of the top layer. This lightweight coated grille, based on an aluminum / magnesium alloy substrate and a multi-layer synergistic coating design, achieves comprehensive performance improvements in long-term corrosion resistance, environmental tolerance, thermal and acoustic management, and surface self-maintenance while maintaining extreme lightweight properties.

This utility model relates to a gas cooling and scrubbing tower, belonging to the field of gas purification technology. It includes a tower body, an air inlet, an air outlet, and a liquid outlet, located on the side, top, and bottom of the tower body, respectively. Between the air inlet and outlet within the tower body's internal cavity, a first spray device, a uniform flow water curtain layer, and a second spray device are sequentially arranged from bottom to top. The uniform flow water curtain layer includes a uniform flow water curtain baffle, and a water curtain regulating component is arranged above the baffle. This utility model utilizes the uniform flow water curtain baffle and the second spray device to repeatedly deflect, mix, cool, and scrub dust-laden gas, solving the problems of gas flow deviation, poor cooling and scrubbing effects in existing hollow cooling and scrubbing towers. It has the advantages of high scrubbing efficiency, low resistance, no clogging, simple structure, and easy maintenance.

This invention relates to the field of steam appliance technology and discloses a novel steam flow channel structure, comprising a closed cavity formed by assembling a base plate, a mounting frame, a cover plate, a frame, and a top plate. The closed cavity contains a flow channel for water flow and vaporization. At least one water-blocking rib is provided on the inner wall of the flow channel. This rib obstructs and impacts the water as it flows through, prolonging the water's residence time within the channel and promoting the refinement of water molecules. Through the inverted fish-scale-shaped water-blocking rib structure, as the water flows within the channel, it continuously collides with and rebounds against the ribs, slowing the water's forward speed and increasing the contact time between the water and the inner wall of the channel. Simultaneously, the hook-shaped structure causes secondary collisions between water molecules after initial impact, breaking large water molecule clusters into smaller clusters, making it easier for the water to absorb heat and complete vaporization, thus improving vaporization efficiency.

The utility model discloses a short material receiving frame which comprises a machine frame, a conveying mechanism, a first support, a translation mechanism, a second support, a brush and two scrap collecting discs. The conveying mechanism is arranged on the rack and comprises a plurality of material receiving plates doing circulating motion, and the material receiving plates are used for receiving and conveying short materials forwards; the first bracket is arranged below the conveying mechanism; the translation mechanism is arranged on the first bracket; the output end of the translation mechanism is connected with the second support so as to drive the second support to reciprocate in the length direction of the material receiving plate. The brush is rotatably arranged on the second support, a rotating mechanism is arranged on the second support, and the output end of the rotating mechanism is connected with the brush; the axis direction of the brush is parallel to the moving direction of the second bracket; the two scrap collecting discs are arranged on the two sides of the first support correspondingly. According to the short material receiving frame, the self-cleaning function of the material receiving plate is achieved, and the follow-up maintenance workload is effectively reduced.

The utility model relates to the technical field of waste heat recovery, in particular to a self-cleaning waste heat recovery filtering device which comprises a box body, the surface of the box body is fixedly connected with a water inlet pipe and a water outlet pipe, a heat exchange pipe is arranged in the box body, and one end of the heat exchange pipe is fixedly connected with a purification mechanism. The filter screen plate is arranged in the purification box of the purification mechanism, impurities of entered fluid media (such as waste gas and the like) can be filtered out, the impurities are prevented from entering subsequent heat exchange pipes and other components, the heat exchange efficiency can be improved, the waste heat recovery effect is guaranteed, and the energy-saving and environment-friendly effects are achieved. And meanwhile, the scraping plate is driven by the electric push rod to scrape and clean the filter screen plate, the self-cleaning function is achieved, manual regular cleaning is not needed, the cleaning efficiency is improved, and the device can be better kept in the optimal working state all the time.

The utility model discloses a data acquisition device for mountain rainwater collection, which relates to the technical field of data acquisition equipment and comprises a cylinder, a box and a collection hopper, a driving mechanism is arranged in the cylinder and comprises a fixed shaft, the fixed shaft is coaxially arranged on the inner side of the cylinder, a sleeve is rotatably sleeved on the outer arc wall of the fixed shaft, and the fixed shaft is sleeved on the box. A fixing ring is fixed on the outer arc wall of the fixing shaft at the top inside the sleeve; according to the utility model, the positions of the plurality of filter screens are changed through rotation, so that each filter screen is not in the same position for collecting rainwater for a long time, impurities are prevented from being continuously accumulated on the meshes, and when the filter screens rotate to change the positions, rotation operation can be carried out, and the filter surfaces are reversely arranged, so that the rainwater collection efficiency is improved. Impurities originally attached to the surface of the filter screen can naturally fall off under the action of gravity and centrifugal force, the self-cleaning function of the filter screen is achieved, the frequency and workload of manually cleaning the filter screen are reduced, and the maintenance cost is reduced.

The utility model relates to the field of evaporation equipment, in particular to a self-cleaning spray head. Comprising a spray head body, a telescopic rod and an elastic membrane, a water containing cavity is formed in the spray head body, and a water inlet, a water outlet and a mounting opening which are communicated with the water containing cavity are formed in the spray head body; the elastic membrane is fixedly installed on the installation opening and seals the installation opening, one end of the telescopic rod and the elastic membrane are fixedly arranged, the other end of the telescopic rod is provided with a plugging part, and the plugging part extends into the water outlet and closes the water outlet; when water enters the water inlet, the water pressure of the water containing cavity rises, the elastic membrane expands from inside to outside and drives the plugging part of the telescopic rod to retract, and therefore the water outlet is opened. According to the self-cleaning spray head, the spray head can be self-cleaned, and therefore the situation that the spray head is blocked is reduced.

The utility model provides a kind of self-cleaning transformer, it is related to transformer technical field, including transformer body, the outside of transformer body is detachably connected with protective box, the inner wall of protective box is fixedly installed with fixed frame one, the inside fixed mounting of fixed frame one is electric push rod no. No. Electric push rod is fixedly installed with mounting cylinder in the output end, the inside of mounting cylinder is sleeved with mounting plate, cooperation between brush plate, motor no. When a group of filter plate is filtered and used, another group of filter plate will move to the position of fixed frame one, the rotation of connecting plate can be controlled by motor no. At this time, electric push rod no. Brush plate rotation can clean the outer surface of filter plate, realize the self-cleaning function of transformer body to internal heat dissipation component, conducive to the stable operation of protecting transformer body.

The utility model discloses filtering equipment for water treatment, which relates to the technical field of filtering equipment and comprises a blow-off pipe, a fixing sleeve is mounted on the outer wall of the blow-off pipe, and a positioning rod penetrates through the inside of the fixing sleeve. Through the arrangement of the blow-off pipe, the fixing sleeve, the positioning rod, the positioning sleeve, the positioning block, the connecting rod, the fixing shaft and the filtering sleeve, the fixing sleeve is connected with the blow-off pipe in a sleeved mode, then a flange is fixed through the positioning rod and the positioning sleeve, disassembly and assembly are convenient, and then the filtering sleeve is connected with the fixing sleeve in a sleeved mode. The fixed shaft penetrates through the interior of the connecting rod and is in threaded connection with the positioning block, sewage discharged by the blow-off pipe can be preliminarily filtered and intercepted through the arrangement of the filter sleeve, when sundries are accumulated on the surface of the filter sleeve or a water outlet pipe opening of the blow-off pipe, the fixed shaft is reversely rotated to release the locking state, and then the filter sleeve is pulled outwards; the cleaning device is simple in operation, efficient in cleaning and higher in practicability.

The utility model provides a rolling brush with a self-cleaning function, which relates to the technical field of rolling brushes and comprises a rolling brush mounting rack, two first bearings are fixedly inserted into the inner surface wall of the rolling brush mounting rack, a rolling brush body is fixedly inserted between the interiors of the two first bearings, and two first sliding chutes are formed in the inner surface wall of the rolling brush mounting rack; and a moving frame is slidably embedded between the inner surface walls of the two first sliding grooves, two second bearings are fixedly inserted into the inner surface wall of the moving frame, and a brush roller is fixedly inserted between the interiors of the two second bearings. According to the self-cleaning rolling brush, under the interaction of all the assemblies of the device, the self-cleaning function is achieved through the rolling brush, complexity and low efficiency of manual cleaning are avoided, the rolling brush can be kept in a good cleaning state all the time through automatic cleaning, the cleaning capacity on the target surface is more stable and efficient, and therefore the overall cleaning efficiency is improved, and the service life of the rolling brush is prolonged. And secondary pollution to the surface of a target caused by falling of dirt in subsequent operation is avoided.

This invention relates to the field of multi-split air conditioning system technology, specifically to a disturbance control method for the outer loop electronic expansion valve of an air conditioning system. The problem this invention addresses is how to actively eliminate oil and refrigerant blockage and reduce exhaust temperature during defrosting or oil return processes through forced disturbance control of the outer loop electronic expansion valve. To solve this problem, this invention provides a control method comprising: acquiring the operating status parameters of the air conditioning system; determining whether the air conditioning system has triggered a disturbance program based on the status parameters; correcting the reference setting based on the exhaust temperature, compressor return superheat, and oil separator return oil temperature during the execution of the disturbance mode; determining whether to exit the disturbance program based on the exhaust temperature and the execution duration of the disturbance program during defrosting and oil return modes; and automatically exiting the disturbance program when the air conditioning system exits the defrosting or oil return mode.

The application relates to the technical field of vehicle-mounted lenses, and particularly discloses a self-cleaning lens and a vehicle. The self-cleaning lens comprises a lens barrel with a light passing hole, the light passing hole is provided with a bearing part, a lens is provided in the light passing hole and has a subject side and an image side arranged oppositely, a non-effective area of the image side abuts against the bearing part, a locking member is provided with a light inlet hole, the locking member is connected with the outer side of the lens barrel and covers part of the non-effective area of the image side in the optical axis direction, a gap is arranged between the locking member and the non-effective area of the subject side in the optical axis direction, a sealing member is arranged between the non-effective area of the subject side and the locking member, a piezoelectric element is connected with the non-effective area of the image side, and a driving unit is electrically connected with the piezoelectric element and is configured to drive the piezoelectric element to vibrate the lens along the optical axis direction. The self-cleaning lens can realize the self-cleaning function and reduce the operation and maintenance cost of the self-cleaning lens.

The invention discloses a composite material for continuous lithium extraction based on photo-thermal synergy, a supercooled continuous lithium extraction method and application, and belongs to the technical field of salt lake lithium extraction and heat energy management. According to the prepared floating type photo-thermal synergistic lithium extraction composite material, through the design of a three-layer composite structure, the synergistic function of temperature regulation and control, lithium ion adsorption and structure supporting is achieved, the problems that a traditional lithium adsorption material is prone to sedimentation and usually needs an additional supporting structure are solved, the density is smaller than that of water, and the composite material can stably float on the surface of salt lake brine; and large-scale deployment and recovery are facilitated.

The utility model relates to a double-stage electrostatic oil fume treatment unit with fresh air heating and oil stain self-cleaning functions, belonging to the field of high-voltage electrostatic purification of oil fume and the field of fresh air heating. The utility model is to solve the problems of low removal efficiency of oil fume particles caused by the phenomenon of "counter electric field" when high-voltage electrostatic technology purifies oil fume, poor cleaning effect of conventional cleaning measures, high corona voltage, easy air breakdown to form sparks, high risk of fire, and high energy consumption of heating fresh air in winter. The utility model includes an oil fume collecting device, a charging mixing section, a first-stage oil fume treatment section, a second-stage oil fume treatment section, oil fume pipeline components, and fresh air pipeline components. The oil fume collecting device is installed at the inlet end of the oil fume pipeline components. The charging mixing section, the first-stage oil fume treatment section, and the second-stage oil fume treatment section are connected in series in the oil fume pipeline components in the order of the oil fume flow direction. The fresh air pipeline components are installed on the first-stage oil fume treatment section and the second-stage oil fume treatment section. The utility model is used as a device for treating indoor oil fume and preheating indoor fresh air.

This application discloses a metering device for adding plasticizer to PVC injection molded shoe materials. The device includes a support frame with a top horizontal support at its upper end. A mounting frame is located on one side of the top horizontal support, and vertical support plates are located at both ends of the mounting frame. An adapter seat is rotatably connected to the lower end of each vertical support plate. The adapter seat is mounted on a measuring cylinder placement seat. A V-shaped groove for placing the measuring cylinder is provided between the measuring cylinder placement seats. The device features a cap corresponding to the measuring cylinder inlet, and an interference fit between the cap and the measuring cylinder using a conical structure and a concave groove design. This ensures the sealing of the plasticizer during metering, effectively preventing plasticizer spillage and external contamination. This not only protects the health of operators but also avoids pollution of the production environment, meeting the requirements of modern clean production. Furthermore, the automatic opening and closing of the cap is controlled by a telescopic cylinder. When the cap moves upward, its edge scrapes against the inner wall of the measuring cylinder for cleaning, achieving a self-cleaning function.

The utility model discloses a kind of water circulation vacuum pumps with self-cleaning function, including circulating liquid liquid supplementing port, circulating liquid liquid discharge port, circulating water cooler, vacuum pump and gas-liquid separator, circulating liquid liquid supplementing port, circulating water cooler, vacuum pump, gas-liquid separator and circulating liquid liquid discharge port are sequentially connected, gas-liquid separator is connected circulating water cooler by first pipeline, circulating water cooler and circulating liquid liquid supplementing port are connected vacuum pump by second pipeline, jumper line pipeline is provided on first pipeline and second pipeline, jumper line pipeline is directly connected gas-liquid separator and circulating liquid liquid supplementing port is directly connected with vacuum pump, the both ends of circulating water cooler are respectively provided with cleaning gas exhaust pipe and cleaning gas discharge pipe;When self-cleaning, circulating liquid circulates in jumper line pipeline, cleaning gas passes through the inside of circulating water cooler to realize self-cleaning, and its advantage lies in that the function of cleaning circulating water cooler can be played without stopping equipment operation.

The cleaning and recycling system comprises a vehicle cleaning platform and a garbage cleaning pool, a plurality of sewage recycling channels are formed in the vehicle cleaning platform at intervals, elastic filtering assemblies are arranged on the sewage recycling channels, and air injection channels communicating with the sewage recycling channels are formed in the vehicle cleaning platform; an air pump is arranged in the air injection channel, the garbage cleaning pool is located on one side of the vehicle cleaning platform, the bottom of the garbage cleaning pool communicates with the multiple sewage recycling channels, and the air pump is designed to inject air flow, push sewage in the sewage recycling channels to be injected into the bottom of the garbage cleaning pool and drive the elastic filtering assembly to vibrate at the same time. By adopting the scheme, the air flow generated by the air pump is used as a power source, so that cleaning sewage containing silt is sucked and injected to the bottom of the garbage cleaning pool to generate a disturbance effect on the bottom of the pool, the conditions of sludge hardening and sedimentation are reduced, and meanwhile, the disturbance effect in the garbage cleaning pool is beneficial to separation of large-density garbage and light garbage.

The present application relates to sewage treatment technical field, provide a kind of water pollution separator based on cyclone and separation method, use method, comprising: stand, the top end of the stand is installed with cyclone, the top end outer wall of the cyclone is fixedly connected with feed pipe, the outer wall of the feed pipe is fixedly connected with shell, the inner wall of the shell is rotatably connected with rotating vane, the bottom end of the rotating vane is connected with multiple connecting rods by transmission assembly, the front end of the stand is fixedly connected with collection barrel, the inner wall of the collection barrel is provided with sieve plate, the bottom end of the connecting rod is fixedly connected with the top end of sieve plate, the bottom end of the collection barrel is fixedly connected with drain pipe;Fixedly connected with the support rod in the middle of the rear end of stand, the middle of the support rod is connected with clamping plate by rebound assembly, the middle of the bottom of the stand is provided with sewage collection barrel, and the sewage collection barrel is located behind discharge port.The present application solves the technical problem that sieve plate is easily blocked by dirt in existing separator, and realizes the self-cleaning function of sieve plate.

This utility model discloses a resin vacuum suction pipe, including an outer pipe, an inner pipe, multiple sets of support components, and connecting components. The inner pipe is located inside the outer pipe, and multiple sets of support components are connected at equal intervals between the outer wall of the inner pipe and the inner wall of the outer pipe. The two ends of the outer pipe and the inner pipe are connected by the connecting components. Multiple oblique holes are formed on the inner pipe. The support components include sintered metal porous support rings, which are disposed between the outer wall of the inner pipe and the inner wall of the outer pipe. The connecting components include retaining rings, and the ends of the outer pipe and the inner pipe are connected by the retaining rings. The purpose of this utility model is to overcome the shortcomings of existing methods and provide a resin vacuum suction pipe that avoids the generation of static electricity and dust; it also enables the pipe to have a self-cleaning function, making it convenient and quick to use.

This invention discloses an air particulate matter separation device and method. The device includes a fan, a purified water chamber, and a multi-stage separation chamber. A filter element is installed within the multi-stage separation chamber. The fan blows air carrying dust particles into the multi-stage separation chamber, causing the dust particles (calcium carbonate particles) to be filtered onto the filter element. The multi-stage separation chamber is connected to a first gas separation mechanism, which in turn is connected to the purified water chamber. The purified water chamber stores distilled water. The first gas separation mechanism separates carbon dioxide from the air and inputs the carbon dioxide into the purified water chamber, converting the distilled water into carbon dioxide-containing water. The purified water chamber is connected to the multi-stage separation chamber, and the filter element is rinsed using this carbon dioxide-containing water. During physical rinsing, carbon dioxide, water, and calcium carbonate react to form calcium bicarbonate dissolved in the water, effectively removing dust particles adhering to the filter element, preventing filter pore clogging, extending filter element life, and avoiding frequent filter element replacements.

The application discloses an energy-saving explosion-proof centrifugal fan, and relates to the technical field of centrifugal fans, comprising an impeller and blades, wherein a liquid collecting convex structure is arranged on the blades; the liquid collecting convex structure comprises two fourth convex structures, two third convex structures, two second convex structures and two first convex structures arranged in sequence from the central position of the impeller to the outer edge of the impeller; the scheme can reconvert atomized cleaning liquid into large-volume droplets in the centrifugal fan, the large-volume droplets are affected by centrifugal force and separated from the blades following the wind force, can impact on the inner wall of the cladding plate at high speed, and realize the self-cleaning function of the inner wall of the cladding plate; the scheme utilizes the wind force to carry the mist droplets, and then collects the mist droplets into droplets, can comprehensively clean the centrifugal fan, has no complex spare parts to be added or modified, is easy to produce, and is a centrifugal fan technical improvement meeting market demands, and the energy-saving explosion-proof mode is simple and good in effect.

This invention relates to the field of pyrolysis technology, and in particular to a pyrolysis apparatus and method. The pyrolysis apparatus includes a chain drive mechanism, a flexible reaction net, a scraper mechanism, and a cleaning mechanism. The chain drive mechanism includes a pair of parallel and horizontally placed flat annular outer plate chains and a pair of inner plate chains, along with their driving and supporting components. The flexible reaction net is divided into inner and outer layers, including multiple pairs of wing rods spaced apart on the two pairs of plate chains and flexible rods extending inclined between the plate chains and intersecting each other. The scraper mechanism has multiple flexible scrapers. One end of the cleaning mechanism can contact and clean the outer layer of flexible rods. This invention enables direct and efficient pyrolysis of large-sized strip-shaped organic waste, solving the technical problems of existing pyrolysis devices for treating strip-shaped organic waste, such as easy softening, adhesion, and blockage of raw materials, severe coking and slagging, and high pretreatment costs.

The invention discloses a water tank type cleaning machine which comprises a tank body and is characterized in that a water supply device is arranged at the side part of the tank body; the cover plate structure is used for opening and closing the top opening of the tank body; the dish rack is detachably mounted in the tank body; the first spraying device is provided with a water inlet pipe fixed relative to the dish rack; in the first state, the cover plate structure is in a closed state, the dish rack is installed at a first installation position in the middle of an inner cavity of the sink body, and the water outlet end of the water supply device can be matched with the water inlet end of the water inlet pipe in an inserted mode. In the second state, the cover plate structure is in an open state, the dish rack is mounted at a second mounting position on the side part of the inner cavity of the tank body, and the water outlet end of the water supply device is separated from the water inlet end of the water inlet pipe. Compared with the prior art, the water tank type cleaning machine can meet the use requirement of a user for a large single tank, and meanwhile the automatic cleaning function is not affected.

This invention discloses a waste filtration and collection device for a swimming pool underwater cleaning robot, comprising: a shell with an inlet channel and an outlet channel; the inlet channel having a confluence channel and two suction channels; the two suction channels are located at the bottom of the shell and converge to the lower end of the confluence channel; the upper end of the confluence channel extends into the inner cavity of the shell and divides the inner cavity into front and rear waste compartments; the outlet channel has a drain channel and two filter channels; the drain channel is located at the top of the shell, with a water pump impeller installed at the drain outlet at the upper end of the drain channel, and its lower end confluences and connects to the upper ends of the two filter channels; the lower ends of the two filter channels are equipped with filter screens, which correspond to the inlets of the front and rear waste compartments respectively; both ends of the confluence channel are gradually expanding openings, with the upper end guiding the flow direction towards the front and rear filter screen areas respectively. This invention can effectively reduce the flow resistance of the entire channel, reduce the power consumption of the swimming pool cleaning robot, and thus extend the effective working time of the robot.

The utility model provides a floor brush assembly, cleaning equipment and a cleaning system, and relates to the technical field of cleaning equipment. The floor brush assembly comprises a floor brush body, a rolling brush and a front scraping strip. The rolling brush is arranged on the floor brush body and rotates to clean a to-be-cleaned face. In the advancing direction of the floor brush body, at least part of the front scraping strip is located on the front side of the rolling brush, the front scraping strip only has the overturning and rotating action relative to the floor brush body, and the front scraping strip can rotate around a rotating shaft in the extending direction of the length of the front scraping strip so as to be switched between a first position and a second position. When the front scraping strip is located at the first position, the front scraping strip makes contact with the to-be-cleaned face so that the front scraping strip can clean the to-be-cleaned face when the floor brush body retreats. When the front scraping strip is located at the second position, the front scraping strip makes contact with the rolling brush so that when the floor brush body moves forwards, a gap can be generated between the front scraping strip and the to-be-cleaned face, and the rolling brush cleans the front scraping strip. According to the floor brush assembly, the problem that the cleaning efficiency and the cleaning effect are reduced due to water stains generated when the cleaning equipment is pulled backwards can be solved.

This invention belongs to the technical field of Chinese medicinal material drying equipment, and discloses a sulfur-free drying device for white peony root, including a drying chamber, a storage structure for placing white peony root, and a storage rack for supporting the storage structure. Both the storage structure and the rack are located inside the drying chamber. The storage structure includes a tray and a protective cover. Air inlets and outlets are evenly distributed on the side walls of the tray and the protective cover, and several ventilation holes are evenly distributed on the inner walls of both the tray and the protective cover. During drying, hot air flows upward through the ventilation holes and passes through multiple storage structures. Simultaneously, a shaking structure drives the storage structures to shake. During this process, powder generated by the shaking or hot air is carried up by the upward airflow. At this time, the ventilation holes in the protective cover actively draw in air, promptly removing the powder suspended above the storage structure. This prevents the powder from adhering to the surface of the upper material under the influence of the rising airflow, solving the problem of unevenly colored peony root slices and ensuring a smooth, uniform color, thereby improving the product's appearance and grade.

The utility model discloses a self -cleaning micro taper slit coating head, including feed box, first die head, second die head, main pipe, electronic three -way valve, electronic check valve, angle adjusting device etc. structure, feed box connects dye pipe, water pipe and cleaning solvent pipe, and the material flow direction is controlled through electronic three -way valve and electronic check valve, and the outflow groove of flow channel bottom transports material to die head and realizes coating, in angle adjusting device, positive and negative tooth screw rod cooperation nut, L piece and rotating shaft, can flexibly adjust die head angle, after coating is completed, and electronic three -way valve switches passage, makes water flow and cleaning solvent through flow channel and washes die head slit, realizes self -cleaning. Through above -mentioned structure, make coating head have accurate even coating, angle flexible adjustment, automatic cleaning etc. function, effectively reduce material waste, improve production efficiency and product quality.

The utility model discloses a kind of calcium sulfate-based steel floor processing grooving devices, belong to floor grooving field. Including processing table;Cleaning component, cleaning component includes third linear module being installed on processing table, third linear module includes mounting seat and two groups of sliding seat sliding along its linear direction being installed on processing table, the side surface of mounting seat is installed cleaning unit, cleaning unit includes installation box being installed on the side surface of mounting seat, motor one is installed in installation box, motor one output end is connected with shaft, two groups of cleaning brush are fixed on the shaft, the side surface of two groups of sliding seat is all installed with dust removal unit, two groups of shaking unit are installed in installation box. A kind of calcium sulfate-based steel floor processing grooving device of the application, the interval is adjusted by third linear module double sliding seat, drives dust removal unit to adapt different specifications steel floor;Cleaning unit preliminary cleaning waste material, dust removal unit is in-depthly cleaned in groove bottom, shaking unit realizes brush self-cleaning, guarantee processing quality.

The utility model relates to the technical field of municipal works, and disclose a sewer manhole cover with prevent blockking function, including ground, the vertical drainage groove is seted up under the ground, the top of drainage groove is provided with manhole cover body, is seted up with the drain outlet that penetrates in the manhole cover body, its characterized in that, the sewage pipe is seted up below the manhole cover body, still seted up with the first sliding slot on the inner wall of sewage pipe, the inside fixed setting of first sliding slot has first limit rod, the outside of first limit rod is equipped with first spring, one end of first spring is fixedly connected to the bottom of first sliding slot, the other end is fixedly connected with first sliding block, first sliding block is seted up on first limit rod and slides, first sliding block is fixedly connected to the bottom of manhole cover body, the ground on the outside of manhole cover body is seted up with fixed groove, the inside of fixed groove is provided with collection mechanism, is used for collecting the impurity that accumulates on manhole cover body, solved the problem that the existing equipment is inconvenient to clean the surface impurity on manhole cover body.