112results about How to "Improve dredging effect" patented technology

The invention provides a medical community work assisting device which comprises two supports, a water spraying pipe, a water conveying pipe and two spray heads, and a cleaning mechanism used for cleaning the spray heads is arranged on the outer front side of the water spraying pipe. The dredging assembly can linearly reciprocate back and forth through the execution assembly in the cleaning mechanism, the dredging assembly can directly act on the nozzle, blockages are rapidly and thoroughly removed through physical acting force, and automatic cleaning of spray holes of the spray head is achieved; the problem of nozzle blockage caused by disinfection liquid residues or external impurity accumulation is effectively avoided, the continuity and uniformity of spraying disinfection are guaranteed, the dredging effect is further enhanced through the synergistic effect of the optimization assembly, the optimization assembly can drive the dredging rod and the cleaning brush on the surface of the dredging rod to rotate while the dredging rod is used for dredging, and the dredging effect is improved. When the cleaning brush rotates, the contact area between the cleaning brush and the inner wall of the nozzle can be better increased, and tiny parts of the inner wall of the nozzle can be touched.

The invention discloses a desilting device and a desilting method, and relates to the technical field of desilting, the desilting device comprises a walking frame, and a sludge pre-stabbing obstacle removing mechanism, an obstacle removing conveying mechanism, an upper layer sludge spiral collecting mechanism and a lower layer sludge loosening plough are sequentially arranged in the walking direction of the walking frame; the sludge pre-stabbing obstacle clearing mechanism is used for clearing obstacles and stabbing a sludge layer, the obstacle clearing conveying mechanism is used for upwards conveying the obstacles cleared by the sludge pre-stabbing obstacle clearing mechanism to the position above the water surface, and the upper-layer sludge spiral collecting mechanism is used for collecting upper-layer sludge from the two sides of the walking frame to the middle of the walking frame; the lower-layer sludge loosening plough is used for turning over lower-layer sludge punctured by the sludge pre-puncturing obstacle removing mechanism from the two sides of the walking frame to the middle, the walking frame is provided with a confluence cover at least partially covering the upper-layer sludge spiral collecting mechanism and the lower-layer sludge loosening plough, and the top of the confluence cover is provided with a sludge suction pump; therefore, the desilting effect is remarkable.

The utility model relates to the technical field of desilting equipment, in particular to a stirring desilting device capable of achieving desilting, which comprises a hollow desilting head and an adjusting assembly, a cavity of the desilting head is divided into a middle suction chamber and a stirring chamber arranged on the periphery of the suction chamber, a desilting pump is arranged in the suction chamber, an inlet of the desilting pump is connected with a suction pipe, and the suction pipe is connected with the stirring chamber. An outlet of the dredging pump is connected with a shunt pipe; a plurality of arc-shaped water outlet holes are formed in the periphery of the stirring chamber, a silt discharging channel and a backflow channel are formed in the left side and the right side, opposite to each other, of the flow dividing pipe correspondingly, the silt discharging channel is connected with a silt discharging pipe, the adjusting assembly is arranged on the flow dividing pipe, and the end, away from the flow dividing pipe, of the backflow channel communicates with the stirring chamber through a water flowing pipe. Water in the underground pipeline can generate circulation to stir deposited sludge, the water and the sludge are stirred and mixed to form muddy water, then the muddy water is pumped out under the action of the desilting pump, the working intensity of workers is relieved, water resources are saved, and the desilting effect is good.

The present invention relates to the field of robot technology, and in particular to a pipeline sludge cleaning robot, comprising a crawler machine, a shell is installed on the upper surface of the crawler machine, a sludge storage device is installed on one side of the inner lower surface of the shell, a sludge transport device is installed on the other side of the inner lower surface of the shell, a limiting device for limiting the sludge storage device is installed on the front side of the shell, first positioning devices are symmetrically installed on both sides of the outer side of the shell, a second movable plate is installed on the output end of the second electric telescopic rod, a rotating brush is installed on the output end of the first motor through the sliding plate, and a plurality of second positioning devices are installed at equal intervals on the outer side of the mounting cylinder. Compared with the prior art, the present invention has good use effect, can greatly improve the dredging efficiency of the pipeline, and has good cleaning effect, can meet the dredging of pipelines of different sizes, reduces the labor intensity of the staff, has strong practicality, high stability, and is worthy of vigorous promotion and use.

The utility model relates to a river channel desilting sludge conveyor, which belongs to the technical field of river channel desilting and comprises a shell, a lifting mechanism is arranged at the bottom of the shell, a base is fixed on the right side of the lifting mechanism, a lifting air cylinder is fixed on the left side of a connecting plate, a pumping mechanism is fixed on the base, and the bottom of the shell is communicated with a sludge conveying pipe. A scattering mechanism is arranged at the top of the shell, a mud containing box is fixed to the right side of the shell, a filter plate is movably connected to an inner cavity of the mud containing box, a conveying mechanism is arranged at the top of the mud containing box, a mud discharging door is hinged to the right wall of the mud containing box, and a pushing mechanism is fixed to the wall of the inner cavity of the mud containing box. According to the river channel desilting sludge conveyor, the device is adjusted through the lifting mechanism, sludge at the bottom of a river is pumped under the action of the pumping mechanism, the sludge is scattered through the scattering mechanism, moisture permeation of the sludge is facilitated, the solid-liquid separation effect is achieved, the separation efficiency is improved, and then the desilting efficiency is improved.

The invention relates to the technical field of medical instruments, in particular to a drainage tube convenient to dredge, which comprises a catheter mechanism, a drainage catheter, an in-body catheter arranged at one end of the drainage catheter, and a joint tube and a dredging mechanism which are arranged at one end of the drainage catheter far away from the in-body catheter, the device comprises a shell movably installed on the drainage catheter, and further comprises a supporting assembly arranged in the shell and a dredging assembly rotationally installed on the supporting assembly, and the dredging assembly comprises a sleeve shell part arranged outside the drainage catheter and pressing roller parts rotationally installed in an inner cavity of the sleeve shell part in an annular array; by means of the drainage tube dredging device, the problems that when the drainage tube is blocked, dredging is not easy due to the fact that manual kneading dredging force is small, the drainage tube is easy to seal due to the fact that the force is too large, and therefore a patient is injured are solved.

The invention discloses fertilizer uniform throwing equipment for wheat planting and a use method, the fertilizer uniform throwing equipment comprises a frame body, the bottom of the frame body is fixedly connected with moving wheels, the inner side of the frame body is fixedly connected with a material mixing box, the outer side of the material mixing box is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a stirring shaft, and the stirring shaft is fixedly connected with a stirring shaft. A stirring paddle is fixedly connected to the outer side of the stirring shaft. According to the equipment, a dredging component is arranged, an air blower is started, the air blower generates high-pressure air flow, the air flow is conveyed into an air collecting shell through an air distribution pipe, then the air flow can be blown into a discharging pipe through an air spraying pipe, and when the air flow is sprayed out of the air spraying pipe, the air flow can be directly blown to the surface of an arc-shaped spiral plate in the dredging component; furthermore, the arc-shaped spiral plate drives the rotating shaft to rotate along the inner side of the fixed frame, and the fertilizer passing through the connecting pipe can be dredged when the arc-shaped spiral plate rotates, so that the blockage of the fertilizer is prevented.

The invention discloses an elephant trunk blockage dredging tool, which relates to the technical field of blockage dredging and comprises a spherical shell, an annular groove, a hard rubber plate, spikes and a movable cover. The spherical shell is arranged, the hard rubber plates are arranged on the outer side of the spherical shell, the spines are arranged on the outer sides of the hard rubber plates, the end cover is arranged at the top end of the spherical shell, and the traction chain is arranged above the end cover, so that when the elephant trunk is dredged, the traction chain can be fixed to one end of the elephant trunk; the spherical shell and the hard rubber plate can stay in the elephant trunk under the action of the traction chain, the hard rubber plate can collide with materials through spines on the outer side of the hard rubber plate, the blocked materials are scattered through collision, the elephant trunk dredging effect is achieved, and compared with elephant trunk dredging in a water flushing mode in the prior art, the dredging efficiency is greatly improved. According to the technical scheme, the influence on materials is small, and dredging can be conducted in the material conveying process.

The utility model relates to the technical field of anti-blocking and desilting, and discloses a municipal engineering anti-blocking and desilting device which comprises an extraction pipe, a connecting chamber is fixedly installed on the bottom face of the extraction pipe, a baffle is fixedly installed on the bottom face of the connecting chamber, a rotating shaft is movably connected to an inner cavity of the connecting chamber, and a smashing cutter is fixedly installed at the bottom end of the rotating shaft. And positioning blocks are movably connected to the left side face and the right side face of the connecting chamber correspondingly, and motors are fixedly installed on the right side faces of the positioning blocks. The air cylinder drives the positioning block to move downwards, so that the positioning block drives the crushing cutter to move downwards through the rotating shaft to be inserted into the square groove formed in the baffle, at the moment, the motor drives the rotating shaft to rotate, the rotating shaft drives the crushing cutter to rotate, and the crushing cutter crushes large sundries shielding the square groove of the baffle. And therefore, large sundries are prevented from blocking the square groove in the baffle, the desilting capacity of the device is improved, and the working efficiency of the device is improved.

This invention discloses a sludge-clearing agitator assembly and a robot. The sludge-clearing agitator assembly includes: a support frame including a volumetric cavity with a sludge inlet; a suction head mounted on the support frame and positioned near the sludge inlet; the suction head includes helical blades and a drive device, the drive device driving the helical blades to rotate, the rotation of the helical blades conveying sludge to the sludge inlet; a cutting groove on the outer periphery of the helical blades, and sludge-clearing teeth at the ends of the helical blades; a slurry pump mounted on the support frame for extracting sludge from the volumetric cavity; and a position adjustment device for driving the support frame to move. The robot includes the aforementioned agitator assembly. According to the sludge-clearing agitator assembly of this invention, by providing cutting grooves on the edges of the helical blades and sludge-clearing teeth at the ends of the helical blades, the sludge-clearing teeth can effectively break up hardened materials in the sludge, and the cutting grooves can further enhance the effect of the helical blades in cutting hardened materials in the sludge, thereby improving the sludge-clearing effect and efficiency of the agitator assembly.

The utility model discloses a pipeline dredging device for water conservancy project relates to pipeline dredging device technical field, including bearing frame, propulsion plate, water inlet pipe, bolt and camera, bearing frame side is provided with propulsion mechanism, the propulsion mechanism includes propulsion plate, drive wheel, first connecting rod, second connecting rod, guide rod and spring, the spring is the propulsion plate and provides power, pushes first connecting rod, and turns over and develops under the restriction of second connecting rod, and the wheel hub motor of drive wheel drive provides the advancing power, and the unique structure design, such as hexagon bearing frame, connecting rod drive wheel structure, the tooth of milling cutter disc and the thread structure etc.

The utility model relates to the technical field of pipeline dredging equipment, and discloses a sewage pipeline dredging device which comprises a blow-off pipeline, a fixed cylinder is arranged in the blow-off pipeline and arranged in the middle of the blow-off pipeline through a moving mechanism, and a washing mechanism is arranged in the middle of the fixed cylinder. The through groove is formed in the middle of the fixing cylinder, the lower middle portion of the supporting rod is rotationally connected to the left and right ends of the through groove, the middle of the roller is installed at the upper end of the supporting rod, and the left and right ends of the parallel rod are rotationally connected to the lower end of the supporting rod. According to the sewage pipeline dredging device, the parallel rod is pushed and pulled through the pull rod, so that the inclination angle of the supporting rod is changed, the sewage pipeline dredging device is further suitable for sewage pipelines of different sizes, a water pump is driven, water washes the impeller through conveying of a hose and a straight pipe and is sprayed out through a hole of the spray head, and the impeller drives the spray head to rotate; therefore, the sewage pipeline is dredged in all directions, and the dredging effect is improved.

The utility model discloses an anti-clogging feed throwing device which comprises a feed tank, a support and a feed inlet are fixedly installed on the two sides of the feed tank, and the feed inlet fixedly penetrates through the top face of the feed tank. The discharging pipe is fixedly arranged in a manner of penetrating through the bottom surface of the charging bucket, and a discharging valve is mounted on the discharging pipe; the observation window is arranged on the front side wall of the charging bucket; the machine shell is fixedly mounted on the top surface of the material tank; the driving mechanism is arranged on the inner wall surface of the right side of the machine shell; the reciprocating motion mechanism is connected with the driving mechanism; and the rotating mechanism is connected with the reciprocating motion mechanism. According to the feed feeding device capable of preventing blockage, it can be guaranteed that feed is stirred and scattered in the feed feeding process, feed blockage in the feeding process is avoided, effective feeding of the feed is guaranteed, operation is easy, convenient and flexible, and practicability is high.

The invention discloses a desilting and desilting device, and relates to the technical field of desilting and desilting of hydraulic engineering, the desilting and desilting device comprises a sill, a stirring mechanism, a desilting channel, a primary desilting basin, a water delivery channel, a secondary desilting basin and a pressure water pipe, the sill is arranged at the bottom of a forebay and is close to a first water outlet of the forebay, and the stirring mechanism is arranged in front of the sill; a communicating port is formed in the side part of the side wall of the forebay between the sill and the stirring mechanism, one end of the desilting channel is communicated with the communicating port, and the other end of the desilting channel is communicated with the primary desilting basin; a second water outlet is formed in the top of the side wall of the first-stage desilting basin, the second water outlet is communicated with a second-stage desilting basin through a water conveying channel, the water conveying channel is arranged along an arc-shaped track, a third water outlet is formed in the top of the side wall of the second-stage desilting basin, and the third water outlet and the first water outlet are both communicated with a pressure water pipe. Sediment at the bottom of the forebay can be discharged into the first-stage desilting basin along with water flow, rapid desilting of a reservoir is completed, concentrated cleaning of the silt is facilitated, the desilting difficulty is reduced, and the desilting and desilting efficiency is improved.

The utility model discloses a medicinal liquor preparation tank with a stirring function. The medicinal liquor preparation tank comprises a preparation tank body, a stirring component and a dredging component are fixedly mounted at the top of the preparation tank body, and a filtering component is fixedly connected to the bottom of the preparation tank body; the medicinal liquor preparation tank comprises a preparation tank body, a filtering assembly, a liquid discharging pipe and a connecting ring, the liquid discharging pipe is fixedly connected to the bottom of the preparation tank body, the connecting ring is fixedly connected to the side wall of the liquid discharging pipe, a filtering box is arranged below the liquid discharging pipe, and a filtering plate is connected to one side of the filtering box in a sliding mode. According to the medicinal liquor preparation tank with the stirring function, prepared medicinal liquor can be filtered through the arranged filtering assembly, so that residues in the medicinal liquor can be well filtered, the quality of the medicinal liquor is better, the condition of precipitation in the medicinal liquor is avoided, and subsequent sales work of the medicinal liquor is also helped; and the use effect is better.

The invention discloses a device for improving the dredging capacity of a pump station in the tunnel sewage disposal and diversion process, and belongs to the technical field of tunnel sewage disposal and diversion. The device comprises a high-pressure air pipeline arranged outside a pump station sedimentation tank, at least one set of desilting air pipe is arranged at the bottom of each pump station sedimentation tank, the desilting air pipe comprises a desilting main air pipe, one end of the desilting main air pipe is communicated with the high-pressure air pipeline, a valve is arranged on the desilting main air pipe, and the desilting main air pipe is communicated with the high-pressure air pipeline. The other end of the dredging main air pipe at least communicates with a first dredging branch air pipe and a second dredging branch air pipe, the first dredging branch air pipe and the second dredging branch air pipe are symmetrically arranged in a square shape, and the tail end of the first dredging branch air pipe and the tail end of the second dredging branch air pipe are both closed; and a plurality of ventilation holes are formed in the pipe walls of the first desilting branch air pipe and the second desilting branch air pipe. The device is simple in structure and can be used for quickly and effectively cleaning sediments in the sedimentation tank of the pump station, so that the desilting capacity of the pump station is improved.

The utility model discloses a glue filling equipment with prevent blocking structure, including filling cylinder, the filling cylinder bottom fixedly connected with the glue pipe of arranging, be equipped with dredging part on the filling cylinder, be equipped with anti -solidification part on the filling cylinder, the dredging part includes the mobile mouth of setting in the filling cylinder top, with the fixed connection of filling cylinder top's fixed frame, with fixed frame top fixed connection's air cylinder, with air cylinder output fixed connection's moving plate, with moving plate bottom fixed connection's moving rod and with moving rod bottom fixed connection's dredging board, the utility model discloses a filling cylinder, glue pipe and dredging part are set up, have solved the glue filling equipment of current glue filling equipment when using, although can carry out glue filling, can dredge the blocked glue, but the knife blade rotates only can break the glue near the knife blade when dredging, lead to dredging efficiency slow down, thereby lead to the problem of reduced practicality.

The invention belongs to the technical field of drainage, and discloses an energy-saving drainage device for pumped storage power station traffic tunnel construction, which comprises a water collecting pit, and further comprises a butt-joint assembly, a drainage assembly and a drainage assembly, and the water inlet assembly is mounted at the bottom of the butt joint assembly. The floating piece floats on the water surface of the sump, so that the water inlet piece is located in water and does not make contact with sludge at the bottom of the sump, when accumulated water in the sump needs to be drained, along with continuous downward movement of the water level in the sump, the first sleeve and the second sleeve are gradually pulled out to increase the length, and it is guaranteed that the water inlet piece is located in the accumulated water in the sump all the time; and when the water level in the sump gradually rises, the floating piece drives the water inlet piece to rise along with the water level, so that the second sleeve, the first sleeve and the fixed pipe are shrunk, and the problems that the water inlet piece is fixed in the sump, the water inlet piece is submerged by sludge in the sump, and water cannot be drained are solved.

The present invention discloses a rotary automatic slag-poking hammer-shaped ash control valve, comprising a valve seat provided with a boiler slag discharge port and a valve body provided with an ash control valve discharge port, and also comprising a valve stem and a slag-poking rod, wherein the valve stem is movably arranged in the valve body, and one end of the valve stem close to the boiler slag discharge port is connected with the slag-poking rod, and the outer wall of the slag-poking rod is provided with a slag-discharging thread along its length direction, and the boiler slag discharge port is located on the moving path of the slag-poking rod, and the valve stem is screwed in to reciprocate in the boiler slag discharge port to crush the block material, and the slag-discharging thread on the slag-poking rod is used to bring out part of the crushed material when the valve stem is screwed out of the boiler slag discharge port. The valve stem drives the slag-poking rod to move back and forth in the boiler slag discharge port to perform the slag-poking operation by screwing in, and when the slag-poking rod rotates and pushes out of the boiler slag discharge port, the slag-discharging thread on it will bring out part of the ash to achieve the effect of slag discharge, thereby avoiding the ash poke down from accumulating in the boiler slag discharge port, improving the dredging effect, and extending the service life of the boiler.

The invention discloses a rice processing feeding method which comprises the following steps: firstly, determining a feeding position, then conveying rice into a funnel groove in a connecting plate through a feeding assembly, starting a motor to drive a stirring assembly, a dredging assembly and a vibration assembly to operate together, the dredging assembly dredges an outlet in the lower end of the funnel groove through up-down movement of a dredging rod, when the dredging rod moves upwards, a shifting plate is opened, rice at the outlet of the funnel groove is prevented from being mutually blocked, the funnel groove is vibrated through the vibration assembly, and the rice coming out of the lower end of the funnel groove is conveyed through a first spiral piece in a feeding pipe. According to the rice feeding device, the inlet end of the spiral conveyor is arranged in a funnel shape and enters the rice processing port from the outlet end of the feeding pipe, so that the problems that the inlet end of the spiral conveyor is generally arranged in a funnel shape, the diameter of the rice entering the spiral conveyor becomes smaller and smaller, the rice is blocked in the feeding process, and normal operation of the conveying process is affected are solved.

The utility model discloses a nutrient canal dredging device which comprises a collecting tank, a sealing cover is fixed to the outer wall of the top of the collecting tank through a hasp lock, the top of the inner wall of one side of the collecting tank is communicated with a connecting pipe, the outer wall of the connecting pipe is sleeved with a rubber sealing sleeve, and the end of the rubber sealing sleeve is communicated with a dredging pipe. Supporting blocks which are distributed at equal intervals are bonded to the inner wall of the dredging pipe, a flushing pipe is fixed to the ends of the supporting blocks, a fixed lantern ring is fixed to the inner wall of the end, away from the rubber sealing sleeve, of the dredging pipe, and a supporting frame is welded to the side face of the fixed lantern ring; through pressurization treatment of the booster pump, normal saline can be sprayed out at high pressure, and the normal saline flowing at high speed can effectively drive the rotating blades to rotate, so that the spiral drill rod at the top can be driven to rotate, solids on the inner wall of a blocked nutrient canal can be scattered, the dredging difficulty is reduced, and the dredging efficiency is improved. The dredging effect is improved.

The utility model discloses a rainwater and sewage pipe network pipeline dredging device, including installation pipe body, still include dredging structure, outer pipe body and high pressure water jet head, and the dredging structure includes conveying screw rod, the inside rotation of installation pipe body is installed with conveying screw rod, and the one end of conveying screw rod extends to the outside of installation pipe body and is provided with the propulsion drill bit, and the other end is connected with first motor, the outside rotation of installation pipe body is installed with outer pipe body, and the outer ring surface of outer pipe body has clean brush along its circumferential direction in proper order, the area of installation pipe body between propulsion drill bit and outer pipe body has a plurality of high pressure water jet head along its circumferential direction in proper order. The utility model discloses in the installation pipe body rotation setting dredging structure can discharge the silt in the water pipe, can improve silt discharge efficiency and dredging effect to avoid a large number of silt crowded between outer pipe body and water pipe, can improve silt discharge efficiency and dredging effect, through outer pipe body and high pressure water jet head, can clean the inner wall of water pipe with the clean brush, avoid the inner wall of water pipe to have too much grease.

The desilting device for water conservancy construction comprises a bottom frame, a silt pumping pump is fixedly installed at one end of the top of the bottom frame, a connecting pipe is fixedly installed at one end of the water inlet end of the silt pumping pump, a water inlet pipe is fixedly connected to one end of the bottom of the connecting pipe, and a movable pipe is slidably connected to the outer side of the water inlet pipe; compared with the prior art, the dredging device has the advantages that sludge can be adsorbed at different positions, the application range of the dredging device is widened, the dredging device is convenient to use, and the dredging device is high in practicability and suitable for popularization and application. And meanwhile, the problems that large impurities enter a silt pumping pump and a pipeline, and consequently the pipeline is blocked and the silt pumping pump is damaged can be solved, meanwhile, the silt pumping device is suitable for pumping silt of different depths, and in the desilting process, the silt accumulated at the water bottom can be raised, so that the silt can be better adsorbed.

The utility model discloses a garbage pool water grate anti-blocking clearing device which comprises a supporting frame, a positioning mechanism used for being connected with the side wall of a garbage pool is arranged on one side of the supporting frame, a clearing plate is movably arranged on the supporting frame, the clearing plate is provided with a telescopic driving mechanism in a matched mode, and the clearing plate is provided with a guiding piece and a plurality of top hole rods. One end of the guide piece extends to the outer side of the top hole rod, and the guide piece is in sliding fit with the guide hole of the water grate; the size of the top hole rod is matched with the size of a sewage discharge hole of the water grate, and the telescopic driving mechanism is used for driving the top hole rod to move back and forth in the sewage discharge hole of the water grate so as to remove garbage in the sewage discharge hole. The water grate is simple in structure, the dredging cost of the water grate is low, the dredging effect of the water grate is good, leachate in the garbage pool can be smoothly discharged, the problem that garbage fermentation is affected due to the fact that the leachate is accumulated in the garbage pool is solved, the heat value of garbage can be increased, and follow-up garbage incineration power generation is facilitated.

The invention discloses a washing system for acetonitrile wastewater and a washing process thereof in the technical field of washing acetonitrile wastewater. The system comprises a washing tower and a demisting layer. The demisting layer comprises an upper screen plate and a lower screen plate. The upper screen plate is fixedly connected to the inner wall of the washing tower. A plurality of support rings are fixedly installed on the inner side of the washing tower. The lower screen plates are all located on the inner side of the support ring and are rotatably connected thereto. A detection mechanism is arranged at the bottom of the rear end of the support ring. The detection mechanism is used for regularly detecting the blockage of the demisting layer. Brush rollers are arranged at the bottom ends of the upper screen plate and the lower screen plate through a cleaning mechanism. The cleaning mechanism is used for driving the brush rollers to clean the surfaces of the upper screen plate and the lower screen plate when the detection mechanism detects that the demisting layer is blocked. A plurality of brush rods are arranged at the bottom end of the upper screen plate through a stirring mechanism. The problem that the existing washing tower for washing acetonitrile wastewater does not have the function of automatically clearing the demisting layer during the washing process is solved.

The present invention relates to the field of engraving technology, and discloses an engraving device based on handicraft and a method of use, including a grinder, wherein the lower end of the grinder is provided with a protective component for preventing large particles of dust; the interior of the grinder is provided with a built-in cavity, the built-in cavity is provided with a built-in motor, and the lower end of the built-in motor is provided with an opening and closing component for controlling water flow; the lower end of the grinder is provided with an extended metal tube, the lower end of the extended metal tube is fixedly connected with a metal ball, and the interior of the metal ball is connected to the interior of the extended metal tube. The present invention achieves the purpose of saving water by arranging a flat airbag and annular rubber, so that water in the side hole flows out and dust is reduced; the hollow tube and the side hole will not be blocked, and a better dredging effect is achieved; the heat generated by the metal ball during grinding can be absorbed by the water inside, thereby reducing frictional heat and extending the service life.

The present invention discloses a bottom-attached tunnel dredging equipment and a dredging method based on the pulse jet ground-breaking effect, comprising a tracked traveling module, a connecting frame, a dredging module and a conveying pipeline, wherein the connecting frame is fixed on the front side of the tracked traveling module, and the conveying pipeline comprises a negative pressure water pipe and a high pressure water pipe; the jet module comprises a signal processing system, a high-precision sensor, a high-pressure water pump, a pulse controller and a steering gear; the suction module comprises a sludge inlet box, a connecting rod structure, a brush and a spiral centrifugal pump; the present invention can provide an efficient, energy-saving and stable operation mode in the tunnel dredging process through innovative pulse jet technology, a self-circulating system and a terrain adaptive design, and has high environmental adaptability, and is suitable for tunnel dredging operations in various complex terrains.

The utility model provides a drainage pipe groove desilting device which comprises a bottom plate, a transverse plate is fixedly arranged on the top of the bottom plate through three fixing columns, and an adjusting plate is arranged between the bottom plate and the transverse plate through a screw rod. A regular polygon rod and an impeller can be driven to rotate through a driving motor, a rotating rod, a belt pulley mechanism, a rotating sleeve and other transmission mechanisms, lifting adjustment is conducted on an adjusting plate through a hand wheel and a screw rod, the adjusting plate can adjust the height of the regular polygon rod and the impeller, and therefore water and sludge can be fully stirred from the upper portion; the mixed sludge is discharged through the sludge pump and the metal hose discharge pipe, the desilting effect of the device is good, and the desilting efficiency of the drainage pipe groove can be improved; and the device can be conveniently moved through the rolling wheels and the handrail, so that the drainage pipe groove can be conveniently dredged.

The utility model discloses a coal bunker dredging electric control device, which relates to the technical field of coal bunker dredging, and comprises an air inlet ball valve, an air inlet connecting piece, an air storage tank, a base and a motor, the air storage tank and the motor are respectively and fixedly arranged on the base, a sounder is communicated between the motor and the air storage tank, the sounder is communicated with a taper pipe, and the taper pipe is communicated with the air inlet ball valve. A Helmholtz resonant cavity is formed in the end, away from the sounder, of the taper pipe and communicates with the coal bunker. The sound generator is driven by the motor to generate sound waves with specific frequency, the sound waves act on blockages in the coal bunker through the taper pipe and the Helmholtz resonant cavity, the blockages are loosened and fall off by utilizing the vibration energy of the sound waves, and compared with a mechanical dredging means, the large-area arching problem can be solved, and the dredging effect is more remarkable.

The utility model relates to the technical field of color sorters, and discloses a rice processing color sorter which comprises a base, a fixing frame is fixedly connected to the top of the base, a color sorter body is fixedly connected to the front side of the fixing frame, connecting frames are fixedly connected to the left side and the right side of the bottom of the base, and rotating rods are rotationally connected to the interiors of the two connecting frames. Two fixing plates are fixedly connected to the left side and the right side of the rotating rod, two fixing columns are fixedly connected to the far sides of the two fixing plates correspondingly, the other two fixing plates are fixedly connected to the far sides of the two fixing columns correspondingly, and a motor is fixedly connected to the inner wall of the right side of the connecting frame on the right side; the driving end of the motor is fixedly connected with a rotating shaft, and the outer portion of the rotating rod is fixedly connected with rotating blades. According to the anti-blocking discharge pipe, the anti-blocking of the discharge pipe of the color sorter is realized, so that products can smoothly flow out of the discharge pipe, and the stability of the quality of the products is guaranteed.