68results about How to "Good anti-clogging" patented technology

The invention relates to a circulating culture water overflow device which comprises a culture pond or a culture bed and is characterized in that a longitudinal drain pipe is arranged at the bottom side of the culture pond or the culture bed; a spacer sleeve for blocking non-soluble particles is arranged at the circumferential side of the longitudinal drain pipe; an overflow port is arranged on the circumferential wall at the lower part of the spacer sleeve; and the drain pipe extends out of the circumferential side at the upper part of the bottom side of the culture pond or the culture bed to be provided with a high-drain overflow hole. The device provided by the invention has the advantages of compact structure and small space occupation, is very simple to operate and maintain, can be used for effectively blocking non-soluble particles, has an obvious anti-clogging effect, and especially can be used for conveniently regulating the height of the culture water in the culture pond or the culture bed.

The invention discloses a totally closed gas atomization pulverization device. The device comprises a heat insulation crucible, an atomizer, an atomization tower, a telescopic plastic pipe A, a telescopic plastic pipe B and the like, wherein the atomizer is arranged in the telescopic plastic pipe A; the telescopic plastic pipe A is respectively connected with the heat insulation crucible and the upper surface of a nozzle of the atomizer in a sealed mode; the atomization tower is connected with the lower surface of the nozzle through the telescopic plastic pipe B in the sealed mode; and two half metal cylindrical barrels are arranged in inner and outer metal grooves on the lower surface of the nozzle and on the atomization tower, so that a totally closed system structure is formed. The structure can prevent oxide and nitride from being formed on the atomizer and blocking the atomizer. The totally closed gas atomization pulverization device has the advantages that: the device has a simple structure and is convenient to install, blocking is effectively prevented, the quality of powder is improved, and the like.

The invention provides an anti-blocking super-critical water oxidation reactor. The anti-blocking super-critical water oxidation reactor comprises a reactor drum, and a reactor drum cover covering the reactor drum. The reactor drum cover is provided with a feed inlet, the bottom of the reactor drum is provided with a reactant outlet. The anti-blocking super-critical water oxidation reactor also comprises at least one partition extending horizontally in the reactor drum, an area above the partitions is a super-critical water oxidation area, and an area below is a sub-critical area. A heating sleeve is arranged on the outer side of the drum body of the super-critical water oxidation area. The outer side of the drum of the sub-critical area directly contacts with the air. The partitions are provided with holes communicated with the super-critical water oxidation area and the sub-critical area. Innovatively, the partitions can divide the inside of the reactor into the super-critical water oxidation area and the sub-critical area, the problem of blockage of the sediment salt to the outflow pipelines is solved, and the novel anti-blocking super-critical water oxidation reactor is provided.

The invention discloses super-hydrophobic anti-clogging sandpaper composite adhesive, which comprises a component I, a component II, a component III and a component IV, wherein the component I consists of adhesive and solvent; the component II consists of filler and solvent; the component III consists of slipping agent and solvent; the component IV consists of pigment and hydrophobic accelerant. The invention also relates to a preparation method of the super-hydrophobic anti-clogging sandpaper composite adhesive. The method comprises the steps of respectively preparing the adhesive and the filler according to the ingredients of the adhesive in the component I and the ingredients of the filler in the component II, respectively mixing the adhesive of the component I, the filler of the component II, the slipping agent of the component III and the solvent according to a weight ratio, respectively mixing the pigment and the hydrophobic accelerant of the component IV according to the weight ratio, and finally mixing the four components according to the ratio, and uniformly stirring the mixture. By adopting the super-hydrophobic anti-clogging sandpaper composite adhesive and the preparation method thereof, the hydrophobic property of the sandpaper can be improved, and the sandpaper has the characteristics of electrostatic resistance, clogging resistance and long service life.

The invention belongs to the technical field of agricultural water-saving irrigation and particularly relates to an economical anti-blocking gravity type underground drip irrigation system. The economical anti-blocking gravity type underground drip irrigation system comprises direct-current micro pump water lifting, water transportation and distribution, interval water supply and a pressure control irrigation device. The interval water supply device starts the pressure control irrigation device to conduct irrigation in cycles, and in each round of an irrigation process, mechanical dredging is conducted on a water outlet of the pressure control irrigation device, and therefore blocking of the water outlet of the irrigation device is effectively prevented. By means of the economical anti-blocking gravity type underground drip irrigation system, water feeding can use small water flow, an economical scheme for achieving anti-blocking gravity type drip irrigation for peasants poor in economic condition and small in operation scale in scattered non-electricity small-scale greenhouses, and water lifting and irrigation cost is low.

The invention belongs to the technical field of agricultural water-saving irrigation and particularly relates to an anti-clogging gravity type underground drip irrigation system. The anti-clogging gravity type underground drip irrigation system comprises a water storage device, a water delivery and distribution device, an intermittent water supply device and a pressure control irrigation emitter, wherein the intermittent water supply device recurrently starts the pressure control irrigation emitter to perform irrigation; and during each round of irrigation process, an irrigation emitter water outlet of the pressure control irrigation emitter is mechanically dredged, thus effectively preventing the clogging of the irrigation emitter water outlet. The most common gravity type drip irrigation system provided by the invention adopts a special anti-clogging technical method for the gravity type drip irrigation system, and effectively solves the problem that the irrigation emitter of the most common gravity type drip irrigation system is easy to clog.

The invention discloses a rotatable automatic spraying mechanism which comprises a sprayer component, a main guide pipe, a supporting frame, a main rotating connector, a main driving motor and a controller. The sprayer component comprises a sprayer and an air pipe joint coaxial with the sprayer, the main guide pipe is connected with the sprayer, an included angle is formed between an axis of the main guide pipe and an axis of the sprayer, one end of the main guide pipe is connected with the main rotating connector, the main rotating connector is fixedly connected on a supporting frame, the main driving motor is connected on the supporting frame, a gear is connected on the main guide pipe in a sleeving manner, and the main driving motor is connected on the main guide pipe through the gear and electrically connected with the controller. The spraying mechanism is simple in structure and easy to implement and can rotate 360 degrees, so that integrated stereoscopic space is rotatably sprayed, the spraying mechanism and a robot are matched and used, and effects are better.

The invention belongs to the technical field of agricultural water-saving irrigation and particularly relates to an anti-blocking gravity-type underground drip irrigation system for photovoltaic water lifting. The anti-blocking gravity-type underground drip irrigation system for the photovoltaic water lifting comprises a photovoltaic water lifting part, a water transporting and distributing part, an interval water supply part and a pressure controlled emitter, wherein the pressure controlled emitter is started to carry out irrigation by an interval water supply device in cycles, mechanical dredging is carried out on the emitter water outlet of the pressure controlled emitter in the irrigation process of every round, and therefore blocking of the emitter water outlet is effectively prevented. The solution that the unstable photovoltaic water lifting is directly used for the irrigation system with the requirements for stable pressure and flows in a low-cost mode is provided. Compared with the solution of stabilizing water supply flows of the water lifting and pressure through storage voltage stabilization of a storage battery, the anti-blocking gravity-type underground drip irrigation system for the photovoltaic lifting water is more economical and effective.

The invention relates to a sewage circulating device of a washing and cleaning vehicle. The sewage circulating device of a washing and cleaning vehicle includes a clean water tank, a trash can, a first-stage solid-liquid separation mechanism and a second-stage solid-liquid separation mechanism. The clean water tank, the trash can and the filter can are detachably mounted on the vehicle chassis ofthe washing and cleaning vehicle, and a garbage bin is separated into a dirt suction bin and a treatment bin by a first partition plate, a first-stage solid-liquid separating mechanism is detachably installed on the inside of a rear door provided at the rear end of the garbage can; a primary solid-liquid separation mechanism comprises the upper filter screen and a lower filter screen, the upper filter screen, a lower filter screen and an inner side wall of a rear door are enclosed to form a filter screen bin, a mesh filter bin is communicated with that dirt suction bin through the upper mesh filter, a secondary solid-liquid separation mechanism can be detachably installed in the treatment chamber, a secondary solid-liquid separation mechanism is provided with a circuitous waterway structure, which is communicated with a filter screen cabin through a lower filter screen, and communicated with a lower part of a filter box through an outlet pipe, wherein a plurality of filter elements aredetachably installed in the filter box, suspended on the upper part of the filter box respectively, the plurality of filter elements are communicated with a clean water tank, and the clean water tankis communicated with a working nozzle of a washing and sweeping vehicle.

The invention belongs to the technical field of sewage treatment, in particular to an anti-blockage sewage treatment device based on microorganism degradation. The anti-blockage sewage treatment device adopts the following scheme for solving the problem of influence to sewage treatment efficiency due to frequent blockage of the existing anti-blockage sewage treatment device based on microorganismdegradation in the use process. The anti-blockage sewage treatment device comprises a degradation tank, wherein the top part of the degradation tank is connected with a seal head through a bolt; a circular through hole is formed in the center of the top part of the seal head; the interior of the circular through hole is rotationally connected with an installation pipe through a mechanical seal part. The anti-blockage sewage treatment device has the advantages that the air is heated by an air heater, so that the temperature required by microorganism degradation is maintained, the good environment is provided for the microorganism degradation of the sewage, and the degradation efficiency is effectively improved; the solid and liquid are separated, so that the sewage treatment efficiency is improved; the anti-blockage effect is good, the service life is prolonged, and the sewage treatment cost is reduced.

The present invention relates to a micro-irrigation suction-type douche and comprises a cushion chamber. The present invention is characterized in that a water-conducting core that passes through the wall of the douche is arranged on the cushion chamber, and the water-conducting core passes through a positioning block that is arranged inside the cushion chamber. The length of the cushion chamber is more than or equal to 2 cm and is less than 4 cm. The front end and the rear end of the cushion chamber are reduced and are connected with a junction pipe. Compared with the prior art, the present invention has the unique characteristic that the suction effect of the capillary tube of the water conducting core is used to suck the water from the pipeline so as to irrigate the crops. The structure technical parameters of the present invention are achieved from the great amount of indoor and field experiment data; therefore, the present invention can satisfy the requirement to be buried underground; especially the horizontal moisture range and the upward vertical penetration depth meet the requirement for the douche to be popularized in the field. The douche of the present invention has the advantages of water saving, high irrigation efficiency, simple structure, low cost, low working water head, good block-resistant performance, etc. thereby having higher popularization value.

The invention discloses an abdominal drainage tube, comprising an outer drainage tube and an inner irrigating tube; one end of the inner irrigating tube is provided with an inflating balloon and is inserted into the outer drainage tube, the other end of the inner irrigating tube is provided with an irrigating tube, a vent tube and an air access tube communicated with the inflating balloon, a drainage passage is formed between the inner wall of the outer drainage tube and the outer wall of the inner irrigating tube, and the sidewall of the outer drainage tube is provided with a plurality of side drainage holes. Protections such as the inner irrigating tube and the inflating balloon are arranged in the outer drainage tube, good anti-blocking effect can be achieved, effective continuous irrigation and drainage are achieved, problems due to the drainage tube being placed not in position due to tube change for blocking problem are avoided, frequently adjusting the position and direction of the drainage tube is not required, and both patients' pain and workload of medical staff are relieved.

The invention relates to the technical field of kitchen waste treatment and discloses solid-liquid separation equipment for a kitchen waste centralized treatment device. The solid-liquid separation equipment comprises a shell, wherein a horizontal cylinder is arranged at the top of the shell, a through hole is formed in the side wall of the cylinder, a waste inlet is formed in the top of the cylinder, an outlet is formed in the side wall of the cylinder, a rotary shaft is arranged in the cylinder, a stirring blade is arranged on the rotary shaft, a pushing scraper is assembled at the end of the stirring blade, brush bristles are assembled on the pushing scraper, a spray head is arranged on the rotary shaft, a first filter screen and a second filter screen are assembled in the shell, a liquid collection tank is formed in the bottom of the shell, a liquid collection pipe is connected to one end of the liquid collection tank, and a liquid collection bucket is connected to the liquid collection pipe. The solid-liquid separation equipment has the advantages that the waste in the cylinder can be fully stirred, and therefore the solid-liquid separation effect is good.

The invention discloses a totally-enclosed gas-atomizing powder preparation device for solving blockage of a nozzle and a liquid guiding pipe caused by a high-melting-point material. The totally-enclosed gas-atomizing powder preparation device consists of a heat-preserving crucible, an atomizer, an atomizing tower, a retractable plastic pipe A, a retractable plastic pipe B, a vacuum pump and the like, wherein the atomizer is installed in the retractable plastic pipe A, the retractable plastic pipe A is hermetically connected with the heat-preserving crucible and the upper surface of a nozzle of the atomizer, and the retractable plastic pipe B is hermetically connected with the atomizing tower and the lower surface of the nozzle, so that a totally-enclosed system structure, which can prevent the high-melting-point material from being generated on the atomizer, is formed; a gap is maintained between the liquid guiding pipe and a metal outer sleeve and used for installing a heating element A, and a heating element B is installed in a gap between the air outlet pipes of two Laval structures of the nozzle, so that the heating element A and the heating element B can be used for solving the problem of blockage caused by the high-melting-point material when being simultaneously powered on. The totally-enclosed gas-atomizing powder preparation device for solving the blockage of the nozzle and the liquid guiding pipe caused by the high-melting-point material, provided by the invention, has the advantages that the structure is simple, the installation is convenient, the blocking problem can be effectively avoided and solved, the powder quality can be improved and the like.

The invention relates to the technical field of rice processing equipment, and particularly discloses a paddy rice screening separator. The paddy rice screening separator comprises a machine box, a dust collecting hopper and a screening drum, a feeding end sleeve and a discharging end sleeve are fixedly arranged at the two ends in the machine box respectively, the screening drum is rotationally connected between the feeding end sleeve and the discharging end sleeve, a first driving device used for driving the screening drum to rotate is arranged on the machine box, and spiral blades are arranged in the screening drum; a second driving device used for driving the spiral blades to rotate is arranged on the machine box, a compressed air pipe connected with a compressed air source is arranged above the machine box, the compressed air pipe and the screening drum are arranged in parallel, and a plurality of compressed exhaust branch pipes which extend into the machine box and directly face the screening drum are connected to the compressed air pipe at equal intervals. An electromagnetic valve is arranged on each compression exhaust branch pipe. The paddy rice screening separator not only has an excellent anti-blocking effect, but also can be suitable for paddy rice separation of different types of rice, and is excellent in use effect and wider in application range.

The invention relates to the field of sewage treatment equipment, and in particular, relates to an automatic operation control method of a ship sewage storage device. According to the automatic operation control method, a first controller controls execution elements in the ship sewage storage device to execute, and the execution elements comprise a display module, a first switch control module, an alarm device, a liquid level meter, a smashing circulating pump, a cutting sewage pump, a first stop valve, a second stop valve and a third stop valve. The automatic operation control method comprises the following steps: S1, initializing equipment; S2, receiving sewage; S3, monitoring reserves; S4, crushing and uniformly mixing; S5, mixing chemicals; S6, alarming and docking; S7, stopping receiving the sewage; S8, carrying out automatic pollution discharge; and S9, recovering initialization. The invention provides the automatic operation control method of the ship sewage storage device, wherein the method can be applied to the ship sewage storage device to automatically control the ship sewage storage device.

The invention discloses a device and method preventing wet sand from adhering. The device preventing the wet sand from adhering comprises a vibration device, a pneumatic system, a vibration damping device and a block detecting device. The device preventing the wet sand from adhering is characterized in that the vibration device comprises a vibrator, a vibrator base and a vibration rod; the pneumatic system comprises an air compressor, an air reservoir, an oil-water separator, a cooler, a ball valve, a filter, a solenoid valve and other pneumatic elements, and all the pneumatic elements are connected and communicated through air pipes; the vibration damping device comprises a vibration clapper, a screw rod, a nut and a damping spring; the block detecting device is fixed on the feed hopper of a bucket elevator to dynamically detect the adhering and bulking thickness of wet sand materials on the baseplate of the feed hopper on line, and starts or closes the vibrator automatically according to a preset bulking thickness value. The device preventing the wet sand from adhering has the advantages of being simple in structure, good in performance of anti-adhering and anti-blocking, high in operational reliability, and capable of effectively improving the lifting rate of the bucket elevator and the drying efficiency of a dryer, and has wide practicability.

The invention provides a petroleum pipeline support mechanism and a petroleum conveying system, and belongs to the technical field of mechanical equipment for petroleum engineering. The petroleum pipeline support mechanism comprises a support seat, a telescopic frame, a first angle adjustor, a second angle adjustor, a first arc-shaped support plate and a second arc-shaped support plate, wherein the telescopic frame is installed on the support seat, the first arc-shaped support plate and the second arc-shaped support plate are installed at one end away from the support seat, of the telescopic frame separately, and the first arc-shaped support plate and the second arc-shaped support plate are arranged at an angle; and the first angle adjustor and the second angle adjustor are installed in the telescopic frame separately, the first angle adjustor is abutted against the first arc-shaped support plate, the second angle adjustor is abutted against the second arc-shaped support plate, and thefirst angle adjustor and the second angle adjustor are used for adjusting an angle between the first arc-shaped support plate and the second arc-shaped support plate. The petroleum conveying system comprises the petroleum pipeline support mechanism, and is firm in pipeline installation and high in petroleum conveying efficiency.

The invention discloses a wastewater treatment device for constructional engineering, which comprises a mounting base, wherein a mounting module and a treatment module are arranged on the mounting base; the mounting module comprises a mounting box, a first power mechanism is arranged in the mounting box, and a residue pushing mechanism connected with the treatment module is arranged above the first power mechanism; the treatment module comprises a treatment box, wherein a first feeding pipe and a second feeding pipe are fixedly mounted at the upper end of the treatment box, a mounting frame isarranged on the inner side wall of the treatment box, a filtering mechanism for filtering wastewater is arranged on the mounting frame, the filtering mechanism is connected with a second power mechanism arranged on the upper surface of the treatment box, and the second power mechanism drives the filtering mechanism to rotate; a stirring mechanism is arranged below the interior of the treatment box. By means of the rotary filtering mechanism, the situation that a filtering cylinder is blocked due to long-term use, and use of the whole device is affected is avoided, and by arranging the residuepushing mechanism, waste residues in the filtering mechanism are pushed out of the treatment box, so that the whole device has a very good pushing effect.

The invention relates to an embedded water tank capable of being lifted, which is characterized by comprising a water tank base and a lifting basket, wherein the lifting basket is arranged in the water tank base and comprises a pair of lifting handles, a pair of grooves used for accommodating the lifting handles when the lifting handles are put down, is arranged on the water tank base, notches are arranged on the grooves, hands can extend into the grooves through the notches to lift the lifting handles, and the bottom of the water tank base is provided with a water draining part which can be inserted and connected by a water draining pipe. When water is blocked or objects need to be cleaned in other positions, the lifting basket can be lifted by the lifting handles.

The invention discloses a sewage utilization device with a good anti-blocking effect, and relates to the technical field of sewage source heat pumps. The device comprises a tank body, wherein the tankbody comprises a circular shell and a conical shell; the conical shell is fixedly installed on the lower surface of the circular shell, a spiral water inlet pipe is fixedly installed on the rear sideface of the circular shell, a blow-off pipe is fixedly installed on the lower surface of the conical shell, and a sealing cover is installed on the upper surface of the circular shell through a fixing mechanism; and a cylinder is fixedly mounted on the upper surface of the sealing cover, a filter cartridge is fixedly mounted on the lower surface, corresponding to the cylinder, of the sealing cover, a water outlet pipe is fixedly mounted on the right side face of the cylinder, and a cleaning mechanism is arranged on the cylinder. The spiral water inlet pipe enables sewage in the tank body to utilize the rotational flow decontamination principle, the blockage of the filter cartridge caused by dirt and easy-to-precipitate solids can be effectively prevented, the filter cartridge and the blow-off pipe can be cleaned regularly, and the blockage of the filter cartridge and the blow-off pipe is effectively avoided, so that the device is convenient to use.

The invention relates to the technical field of mixers, and discloses a novel anti-blocking mixer with a good sealing effect. The mixer comprises an outer box body, a water chamber is fixedly connected to the inner wall of the outer box body, an inner box body is fixedly connected to the inner wall of the water chamber, a water inlet one end of which runs through the outer box body and extends tothe exterior of the outer box body is fixedly connected to the top of the right side of the water chamber, water outlets are fixedly connected to the left and right ends of the bottom of the water chamber, one end of each water outlet runs through the outer box body and extends to the exterior of the outer box body, a servo motor is fixedly connected to the top of the outer box body, and an outputshaft of the servo motor penetrates through the inner box body, extends to the interior of the inner box body and is fixedly connected with a driving gear. The novel anti-blocking mixer with the goodsealing effect has the advantages of blocking prevention and good sealing performance, the service life of the mixer is prolonged, the efficiency of mixing materials is improved, dust does not easilyenter the mixer, finished products obtained after mixing is completed cannot be influenced, and the mixer is convenient to use.

The invention provides a soil warehouse pressure control system. The system comprises a soil warehouse communicating with a pressure maintaining assembly. The soil warehouse communicates with a pressure release pipe. The pressure release pipe communicates with a transfer device. A pressure release valve is arranged on the pressure release pipe. The pressure release valve is controlled by a pressure transmitter I which detects pressure in the soil warehouse. The soil warehouse pressure control system has the advantages that the pressure regulating system capable of being used for performing closed-loop regulation on the soil warehouse pressure is disclosed, an automatic control gas exhaust, water draining and slag discharging system is additionally arranged on the basis of an original pressure maintaining gas inlet system, the two systems are matched for closed-loop control, a deviation value of the soil warehouse pressure is timely regulated, and the tunnel face and formation stabilityis guaranteed; the additionally arranged automatic gas exhaust, water draining and slag discharging control system adopts a high-precision sensor and a proportional control valve for regulating the starting pressure of a pinch valve; and in addition, the adjustability of the starting pressure of the pinch valve is good, large particles can pass by easily, the clogging resistance is good, and thesystem is quite suitable for pressure regulation of a soil pressure balance shield.

The invention discloses a permeable asphalt admixture, permeable asphalt and a permeable asphalt pavement. The preparation raw materials of the permeable asphalt admixture comprise the following components in parts by weight: 0.5 to 1.5 parts of an emulsifying agent, 1 part of a dispersing agent, 2 to 4 parts of a capillary pore forming agent and 0.01 to 0.06 part of a catalyst. The permeable asphalt is prepared by uniformly mixing the permeable asphalt admixture and asphalt. The permeable asphalt pavement contains the permeable asphalt admixture. According to the permeable asphalt admixture,the permeable asphalt and the permeable asphalt pavement, the problems of early loosening, easiness in gap blockage in use, low strength, great construction difficulty and high cost in the existing permeable asphalt pavement are solved, and the permeable asphalt pavement has the advantages that the construction performance is excellent, the cost is low, the constructed permeable asphalt pavement is compact in structure and high in strength, gaps are not easily blocked in use, the continuous permeability is high, and the anti-fouling and anti-blockage performance is high.

The invention discloses a totally-enclosed gas-atomizing powder preparation device for solving blockage of a nozzle and a liquid guiding pipe caused by a high-melting-point material. The totally-enclosed gas-atomizing powder preparation device consists of a heat-preserving crucible, an atomizer, an atomizing tower, a retractable plastic pipe A, a retractable plastic pipe B, a vacuum pump and the like, wherein the atomizer is installed in the retractable plastic pipe A, the retractable plastic pipe A is hermetically connected with the heat-preserving crucible and the upper surface of a nozzle of the atomizer, and the retractable plastic pipe B is hermetically connected with the atomizing tower and the lower surface of the nozzle, so that a totally-enclosed system structure, which can prevent the high-melting-point material from being generated on the atomizer, is formed; a gap is maintained between the liquid guiding pipe and a metal outer sleeve and used for installing a heating element A, and a heating element B is installed in a gap between the air outlet pipes of two Laval structures of the nozzle, so that the heating element A and the heating element B can be used for solving the problem of blockage caused by the high-melting-point material when being simultaneously powered on. The totally-enclosed gas-atomizing powder preparation device for solving the blockage of the nozzle and the liquid guiding pipe caused by the high-melting-point material, provided by the invention, has the advantages that the structure is simple, the installation is convenient, the blocking problem can be effectively avoided and solved, the powder quality can be improved and the like.

The invention relates to an exhaust gas conveying pipe with the electrostatic treatment function. The exhaust gas conveying pipe comprises a pipe body. A gas inlet pipe and a gas outlet pipe are installed at the two ends of the pipe body correspondingly. The pipe body is of a continuous bent structure and comprises multiple layers of up-down transverse pipes and curved pipes connected to the ends of the connected transverse pipes. Dust suction pipes are installed between the transverse pipes which are connected up and down. The dust suction pipes are connected with dust guide pipes correspondingly, and the dust guide pipes are connected with a dust suction header pipe together. The dust suction header pipe is connected with a dust collector. The curved pipes are connected with an electrostatic generator. By the adoption of the continuous bent pipe structure, compared with a traditional straight pipe, occupied space is greatly reduced; the through dust suction pipes are arranged in the conveying pipe, the problems of pipe inner wall scaling and pipe blocking are solved, and therefore halting for clearance is needless, and the influence on production efficiency is avoided; and by the adoption of the electrostatic dust cleaning structure, the anti-blocking effect is better.

An anti-blocking grouting nozzle comprises a spray nozzle assembly, an inner tube, an outer tube, a conical head and a connector, one end of the connector is in threaded connection with a grouting pipe, the other end of the connector is welded to an inner pipe and the outer pipe, and the grout channel of the grouting pipe, the grout channel of the inner pipe and air channel of the grouting pipe are respectively made to be communicated with the air channel between the inner pipe and the outer pipe. The conical head is in threaded connection with the outer tube through a thread busing and is connected with the inner pipe in a sleeved mode at the same time. A conical channel is arranged in a grout nozzle of the spray nozzle assembly, and the grout nozzle is in threaded connection with a grout nozzle seat, a conical hole matched with the conical channel of the grout nozzle is formed in an air nozzle, the air nozzle is mounted on the grout nozzle in a sleeved mode, and the air nozzle is in threaded connection with an air nozzle seat. The grout nozzle seat and the air nozzle seat are welded to the inner pipe and the outer pipe respectively. An arranged valve is a circular rubber sheet of identical outer diameter with the air nozzle, the center of the circular rubber sheet is cut into four parts, and the circular rubber sheet is fixed to the upper surface of the air nozzle and covers an annular air jet hole in the same plane with the grout nozzle. A great amount of engineering practice shows that the nozzle is good in anti-blocking performance, safe, reliable, good in construction quality and high in efficiency.

The invention discloses a cement grinding mill discharging grid plate, and discloses a discharging grid plate which can avoid grid seam blockage by realizing reciprocating motion of grid seams throughthe reciprocating motion of main inserting plates and auxiliary inserting plates in inserting grooves and can assist in discharging. The cement grinding mill discharging grid plate is characterized in that a supporting frame is formed by connecting a large circular ring and a small circular ring through connecting rods; the large circular ring and the small circular ring are concentric; a slidingpost is arranged at the bottom of each connecting rod; at least three main grid plates are placed on the supporting frame at an equal angle; the main grid plates are positioned between adjacent two connecting rods; the main grid plates are fan-shaped plates; fixing lugs are respectively arranged on the two sides of each main grid plate; the fixing lugs are placed on the connecting rods and are fixed through locking nuts; at least one group of grid seams are formed in the main grid plates; the grid seams are long waist seams; one end of each of the four main inserting plates is connected withthe inner walls of the grid seams at an equal angle; the other end of each of the main inserting plates extends downward; the inserting grooves are formed between adjacent two main inserting plates; and at least three auxiliary grid plates are placed on the supporting frame at an equal angle.

The invention discloses a plastic particle drying device. The device comprises a workbench, a supporting frame is fixedly connected to the bottom of the workbench, a driver is fixedly connected to the bottom of the inner wall of the right side of the back face of the supporting frame, and a controller is fixedly connected to the top of the right side of the front face of the workbench. A drying device is fixedly connected to the middle position of the top of the workbench, and a vibration machine is fixedly connected to the middle of the back face of the drying device. The invention relates to the technical field of plastic particle machining. According to the plastic particle drying device, small particles are prevented from being melted and adhered to the interior of the device in the drying process, peculiar smells are prevented from appearing in the device after long-time use, and the device is prevented from being damaged due to the fact that an electric heating wire is burnt out easily, so that the practicability of the device is improved; and an extrusion plate can increase the internal contact area so as to further improve the overturning efficiency of the plastic particles, so that the plastic particles are dried more sufficiently, the internal temperature is kept constant, and melting of the particles caused by too high temperature is avoided.