40results about How to "Improve desilting effect" patented technology

Disclosed is a track travelling device. The track travelling device comprises a support, track wheel units mounted on the support and a travelling track wound on the track wheel units; a plurality oftrack teeth are arranged on the travelling track at intervals; tooth grooves extending in the width direction of the travelling track are formed between the adjacent track teeth; a mud removing section is arranged on the upper portion of the travelling track; a mud removing device for removing mud in the tooth grooves of the mud removing section is mounted on the support; the mud removing device comprises a sliding seat slidably arranged on the support in the width direction of the travelling track, more than one rotating roller mounted on the sliding seat and located above the mud removing section, and a rotating driving assembly for driving the rotating rollers to rotate; each rotating roller is provided with a plurality of mud-scraping toothed rods, wherein the multiple mud-scraping toothed rods are spirally arranged around the rotating roller and pass through all the tooth grooves of the mud removing section in sequence along with rotating of the rotating roller; and the mud removing device further comprises a sliding driving assembly for driving the sliding seat to slide. The track travelling device has the advantages of being simple in structure, easy to manufacture, low in cost, good in mud removing effect, low in energy consumption, stable and reliable in working and the like.

The invention discloses an arc type overflow dam capable of automatically washing away sand and reducing siltation and a running method of the arc type overflow dam. The arc type overflow dam capable of automatically washing away sand and reducing siltation comprises a dam body, a flow releasing and sand discharging hole, gate slots, gates, a guide wall and a protection bank. The arc type overflow dam capable of automatically washing away sand and reducing siltation is characterized in that the dam body is of an arc reinforced concrete structure; the flow releasing and sand discharging hole is formed in the right side of the dam body; the gate slots are formed in the inner walls of the two sides of the flow releasing and sand discharging hole; the gates are manual steel gates and are installed on the gate slots; the guide wall is of an anti-scouring reinforced concrete structure and is arranged on the upstream right bank; and the protection bank is of an anti-scouring reinforced concrete structure and is arranged on the downstream left bank. In the water season, the steel gates are opened, bend transverse ring flow formed by the arc dam body is utilized for automatically conducting flow releasing and sand washing; and in the dry season, the steel gates are closed, the water level is elevated, and water is stored. Compared with traditional mountainous area overflow dams, the arc type overflow dam has the beneficial effects that the form is decent and attractive, little mud and little sand are deposited in front of the dam, the siltation reducing cost is low, and the comprehensive benefits of the project are more obvious.

The invention discloses a washing machine for automobile parts. The washing machine comprises a washing box, an oil collecting groove, a sludge discharging groove, an ultrasonic vibrating box, a waterinjecting device, a containing device, a power plug, a switch panel and a waste water treating device, wherein the waste water treating device comprises an electric track arranged above the washing box, an oil collecting plate arranged on the electric track, a first straight arm arranged at the left end of the oil collecting plate, a second straight arm arranged at the right end of the oil collecting plate, a sludge scraping assembly arranged below the oil collecting plate, a rotating part a and a rotating part b. According to the washing machine for the automobile parts, through the waste water treating device, oil stains on the upper layer of waste water and sludge on the lower layer of the waste water are removed, so that clean rest water bodies are reserved, the parts cannot be polluted by the oil stains after being taken out, secondary washing is not required, washing procedures are reduced, and water resources are saved; and meanwhile, when a next batch of parts is washed, the water only continues to the target water level on the basis of the clean water retained previously, so that the water is saved.

The invention discloses a high efficiency coptis chinensis drying machine with mud removing effect. The drying machine comprises a vertical drying cylinder supported on the ground by a spring, a blade welded rotating shaft disposed in the drying cylinder, and a vibrator arranged on the outer wall of the drying cylinder. The extension end of the rotating shaft is in transmission connection with a deceleration motor disposed above the drying cylinder, the top of the drying cylinder is communicated with a mud removing cylinder, the mud removing cylinder is internally provided with a plurality of razors and a plurality of bristles, the razors are located above the bristles, the drying cylinder is externally provided with an air heater, and the bottom of the drying cylinder is a discharge port. The blades welded on the rotating shaft are helical blades. The inner wall of the drying cylinder is provided with a plurality of hemispherical bumps. The air heater is connected to an air inlet pipe and an air outlet pipe, the air inlet pipe is communicated with the lower part of the drying cylinder, the air outlet pipe is communicated with the upper part of the drying cylinder, and a dryer is arranged between the air outlet pipe and the air heater. And a conveyor belt is arranged below the discharge port. The high efficiency coptis chinensis drying machine provided by the invention has the advantages of simple structure, high efficiency, good drying effect, and effective removal of sediment.

The invention discloses a winch type sprinkler water pipe desilting device and method. The winch type sprinkler water pipe desilting device comprises a cylinder which is provided with flange plates at two ends and is formed by two buckled half shells. A felt drum is arranged inside the cylinder formed by the two buckled half shells; half blind flanges are respectively arranged at the two ends of the cylinder to press and paste the felt drum onto the two end faces of the cylinder formed by the two buckled half shells; a rotating shaft is symmetrically arranged at the middle part of the cylinder formed by the two buckled half shells; steps are arranged at an end part of the rotating shaft, forming a big end which is stuck in a groove arranged inside the cylinder formed by the two buckled half shells; a rack pipe carriage is fixed on the exposed end of the rotating shaft; and nuts used for fixing the rack pipe carriage are arranged at the two sides of the rack pipe carriage. The desilting device can rotate around the rotating shaft, is simple in structure, convenient to operate, firm and durable and saves time and labor. The felt drum is good in desilting effect without causing damages to the water pipe of the sprinkler and adapts to the angular pitch change of the water pipe.

The invention relates to the field of sewage treatment, providing a sewage pretreatment tank. The sewage pretreatment tank comprises a sludge collecting device positioned at the lower part of a tank body, wherein the sludge collecting device is connected with a mobile sludge discharging device; the upper part of the sludge collecting device is communicated with a settlement oil separating region; a raw water inlet device and a water outlet end opposite to the raw water inlet device are arranged at two transverse ends of the settlement oil separating region; a water outlet device is arranged at the water outlet end; the settlement oil separating region comprises a water level adjusting device which forms an adjusting region at the upper part of the settlement oil separating region; a water seepage device is transversely arranged at the upper part of the adjusting region; the tank body is divided into sludge drying regions above the tank body by using the water seepage device; a filtering layer is attached to the upper part of the water seepage device; and an oil collecting device is arranged at the water outlet end of the settlement oil separating region. By using one tank body, multiple diversified functions of adjustment, settlement, oil separation, oil collection, filtering, sludge drying, and the like are achieved.

The invention discloses a roller screen. The roller screen comprises two screen roller mounting seats which are oppositely arranged, wherein a cylindrical screen roller is arranged between the two screen roller mounting seats, the inner wall of the inlet end of the screen roller is provided with a plurality of strip-shaped inlet scraping blades which are uniformly distributed in a circumferential direction, the inner wall of the outlet end of the screen roller is provided with a plurality of strip-shaped outlet scraping blades which are uniformly distributed in a circumferential direction; the inlet scraping blades and the outlet scraping blades are spirally extended along the inner wall of the screen roller, the rotating directions of the inlet scraping blades and the outlet scraping blades are opposite, and one sides of each inlet scraping blade and each outlet scraping blade are tightly attached to the inner wall of the screen roller, the other sides of each inlet scraping blade and each outlet scraping blade are suspended, and the front ends and the rear ends of the suspending sides of each inlet scraping blade and each outlet scraping blade are twisted in opposite directions. According to the roller screen, due to the fact that the inlet scraping blades and the outlet scraping blades are additionally arranged, the falling difference of the canna edulis ker along with the rotating process of the screen roller can be increased, thus facilitating the separation of soil from the surface of the canna edulis ker; in addition, the mud removal time is effectively controlled, thus achieving better effect of mud removal.

The invention discloses a soil screening device of a round baler. The device comprises a mud removing device and a soil screening device, the mud removing device comprises a pressure applying crawlerbelt pulled by a first transmission roller, a mud removing plate installed below the pressure applying crawler belt and a mud scraping cutter arranged on and closely fitting the lower surface of the mud removing plate; the soil screening device comprises a rotary shaft, an arc baffle plate arranged above the rotary shaft, an arc screening plate below the rotary shaft, fixed frames installed at thetwo ends of the rotary shaft, a fixed rod installed between the fixed frames and second stirring teeth fixedly arranged on the fixed rod. The pressure applying crawler belt of the mud removing devicestrictly controls the distance between the mud removing plate and the pressure applying crawler belt, so that straw entering the mud removing device is extruded by the pressure applying crawler belt,and wet mud is extruded out by a mud filtering through hole; the straw treated by the mud removing device enters the soil screening device and passes above the arc screening plate under the driving of the second stirring teeth, and under the effect of the pressure applying crawler belt arranged forward, soil blocks are smashed and can be more easily screened out through the arc screening plate.

The invention belongs to the technical field of water conservancy projects, and particularly relates to an overflow dam with a flood discharge function for a water conservancy project. When the overflow dam is used and the upstream water level is full during the flood peak period, water blocked by the overflow dam can be completely released only by slowly lifting an inserting plate, when the inserting plate is lifted, the water flow at the bottom impacts on a first rotating wheel, at the moment, a rope winding wheel starts to wind a rope, then a lifting force is provided for the inserting plate, and the problem that the inserting plate is lifted in a more labor-saving mode is solved. According to the scheme, the overflow dam comprises a dam body, wherein the dam body is of a prism-shaped structure with a cavity; a notch is reserved in the middle of the dam body; T-shaped sliding grooves are formed in the opposite sides of the notch; and the same inserting plate with a flat cuboid structure with a cavity is connected between the two T-shaped sliding grooves in a sliding mode. The overflow dam is novel in structure, good in drainage smoothness performance and good in silt dischargingeffect, the high water level can be reduced in time, and the flood discharge capacity and speed are improved.

The invention discloses a crawler travel device. The crawler travel device comprises a supporting frame, a belt wheel unit and a walking caterpillar which is wound around the belt wheel unit; the walking caterpillar is provided with a plurality of caterpillar teeth which are distributed at intervals; tooth grooves are formed between adjacent caterpillar teeth; a silt removing section is arranged at the upper part of the walking caterpillar; a silt removing device for removing silt in the tooth grooves of the silt removing section is mounted on the supporting frame; the silt removing device comprises an endless belt and a driving assembly for driving the endless belt to run along a circular track; the endless belt is provided with a straight section which is located above the silt removingsection; an included angle of 0-90 degrees is formed between the running direction of the straight section and the running direction of the silt removing section; the component velocity of the runningvelocity of the straight section in the running direction of the silt removing section is equal to the running velocity of the silt removing section; and one or more silt removing cutters which passthrough the tooth grooves when moving along the straight section to scrape the silt in the tooth grooves are mounted on the endless belt. The crawler travel device has the advantages of being simple in structure, easy to manufacture, low in cost, good in silt removing effect, low in energy consumption, stable and reliable to work, and the like.

The invention relates to a sludge-scraping structure of a peripheral-transmission sludge scraper, comprising a working bridge crossing a sewage treatment pond. The sludge-scraping structure is innovatively characterized in that a sludge-scraping plate is arranged on the bottom of the sewage treatment pond, the sludge-scraping plate is arranged by extending along the extension direction of the working bridge, and the sludge-scraping plate is connected and fixed with the working bridge via a connecting support; and the sludge-scraping plate is provided with bidirectional shovelling-scraping structures. The sludge-scraping structure disclosed by the invention has the advantages that the shovelling-scraping structures are arranged at the two sides of the sludge-scraping plate, so that in the case that the working bridge travels on the sewage treatment pond, sludge is shovelled by virtue of the shovelling-scraping structures of the sludge-scraping plate and pushed away, sludge is convenient to be sucked via a sludge-sucking nozzle, and a sludge removal effect is good.

The invention discloses a vegetable soil removing cleaning device. A feeding port is located at the bottom of an opening formed in the right end of a conical roller, a net-shaped separation plate is arranged on the inner side of a second water tank, a gas collecting groove is connected with the bottom of the net-shaped separation plate, a gas pipe penetrating through the second water tank is communicated with the right side of the gas collecting groove, and a discharging port is formed in the right side of the second water tank. According to the device, vegetables are cut into small blocks bya saw plate to facilitate the thorough cleaning of the vegetables and improve the cleaning efficiency, the subsequent using of the vegetables is convenient, initial soil removing of the vegetables isachieved through a spraying plate, flushing is conducted on the vegetables by using the spraying pipe when the vegetables are rolled in the conical roller, the vegetable soil removing effect is improved, high-pressure gas jetting is conducted on the vegetables in the second water tank, water stains do no easily left on the surfaces of the vegetables, the dirt removing effect of the vegetables is improved, and constant feeding and washing can be conducted on the vegetables by means of the device to improve the cleaning speed and efficiency.

This application relates to a rainwater source adjustment and storage system for a sponge city, which includes a water storage tank and a desilting mechanism. There are water inlet holes on the side wall of the water storage tank. The water storage tank includes a pool body and a base located under the pool body , the tank body and the base are integrally arranged, the bottom of the reservoir is set in the shape of a cone and the bottom end is open, the upper surface of the base has an accommodation cavity, the accommodation cavity communicates with the inside of the pool body, the desilting mechanism includes desilting components, The lifting component for driving the desilting component to lift up and down, and the turning component for driving the desilting component to turn over. The desilting component includes a mud box placed in the accommodation chamber for sedimentation. The mud box opens vertically upwards, and the storage The side wall of the pool is provided with a discharge slideway for the sediment to slide out, and the end of the discharge slideway extends into the reservoir. The application has the advantages of being able to remove the mud and sand in the reservoir, and reducing the possibility of blockage caused by a large amount of mud and sand accumulation.

The invention provides a mud-removing and screening device for fruits and vegetables and belongs to the technical field of fruit and vegetable screening. The mud-removing and screening device for thefruits and vegetables comprises a machine frame body, a screening assembly and a mud-removing assembly. The screening assembly comprises a first rotating shaft, a rolling screen drum, a draining sleeve and a first drive motor. The mud-removing assembly comprises a first supporting frame, a second rotating shaft, a third rotating shaft, a first conveying belt, a second drive motor, a first cleaningpipe, a second cleaning pipe and a first water pump. A first screening groove and a second screening groove screen out fruits and vegetables meeting size specifications. A mud-removing fixing seat drains water of mud settled at the bottom of the water tank and discharges the mud out of the device, so that the water quality of the water tank is purified. The first cleaning pipe conducts back flushing on the rolling screen drum and the draining sleeve, so that the probability that the mud blocks through holes is reduced. A first spray nozzle cleans the inner surface of the rolling screen drum and reduces attached mud. The mud-removing and screening device for the fruits and vegetables simultaneously conducts mud removal and screening on the fruits and vegetables, so that the screening efficiency of the fruits and vegetables is improved, the effect of removing mud of the fruits and vegetables is better, and the quality of the screened fruits and the vegetables is higher.

The invention provides a drilling fluid mud negative pressure screening system, and relates to the technical field of drilling fluid treatment. The drilling fluid mud negative pressure screening system comprises an annular filter belt and a first driving mechanism for driving the filter belt to rotate and vibrate in the circumferential direction, wherein a tensioning mechanism for tightening a filter part of the filter belt is arranged on the filter belt, a liquid inlet mechanism is arranged above the filter part, a direct impact prevention mechanism is arranged in the liquid inlet mechanism, a negative pressure hopper is arranged below the filter part, and the negative pressure hopper is sequentially connected with a solid-liquid separation device, a gas-liquid separation device and a negative pressure generation device. The solid-liquid separation device comprises a cyclone shell and a rotating impeller arranged in the cyclone shell in a spaced mode, the rotating impeller is driven by a second driving mechanism to rotate, a deformation mud scraping mechanism is arranged below the rotating impeller, and a variable diameter part can expand the deformation mud scraping mechanism along with extension of a telescopic air cylinder and drive the deformation mud scraping mechanism to rotate. The problems that in the prior art, drilling fluid solid-liquid separation equipment is large in occupied area and poor in separation effect are solved.

The invention discloses an efficient silt-eliminating flora and compound indigenous microorganism in-situ silt elimination technology. The efficient silt-eliminating flora and compound indigenous microorganism in-situ silt elimination technology comprises the following steps: 1) cultivating a silt-eliminating flora; 2) preparing a viable bacterium preparation; 3) cultivating compound indigenous microorganisms; 4) carrying out ultrasonic microwave treatment; 5) carrying out in-situ silt elimination; diluting the viable bacterium preparation obtained by step 2) for 3 times by utilizing de-ionized water; adding the viable bacterium preparation into a mixture obtained by step 4) and uniformly mixing; putting a mixture into the bottom of a river channel to be subjected to silt elimination. Theefficient silt-eliminating flora and compound indigenous microorganism in-situ silt elimination technology has a good silt elimination effect; the in-situ silt elimination is carried out by utilizingplaster prepared from the viable bacterium preparation prepared from the silt-eliminating flora, and the compound indigenous microorganisms, and silt does not need to be fished out for treatment, so that the labor intensity is reduced; meanwhile, the technology is environmentally friendly and has a wide market prospect.

The invention discloses a pipeline sewage discharge device for hydraulic engineering. The device comprises a device body; the device body comprises a splicing main pipe; a filter hood is arranged in the splicing main pipe; a first guide pipe is arranged at the front side of the filter hood; a second guide pipe is fixedly connected to the bottom of the filter hood; a liquid feeding pipe is fixedlyconnected to the lower part of the splicing main pipe; and the tail end of the liquid feeding pipe communicates with a sedimentation cylinder. The filter hood, the first guide plate, the second guideplate, the liquid feeding pipe, the sedimentation cylinder, a central pipe, a filter screen and a return pipe are arranged to intercept sludge and guide the sludge to the sedimentation cylinder through a guide channel, so that the sludge sedimentation is accelerated, the water after the sludge is removed flows back, the continuous pipeline cleaning without cutting off is realized, and the sludge removal effect is better; and an autorotation impeller including an impeller plate and a rotating shaft is arranged, so that the rotation of the autorotation impeller is achieved under the cooperationof the guide plate, the sludge on the inner wall of the filter hood is scraped off and driven, the filter hood is avoided from being plugged and the sludge is driven to move at the same time, and sludge collection and sedimentation are accelerated.

The invention belongs to the field of sludge cleaning, and discloses a sludge separation pump and a using method thereof. The sludge separation pump comprises an outer shell, a motor and a filter disc, the outer shell is provided with a liquid inlet, a first discharge port, a second discharge port and an internal containing cavity, the liquid inlet, the first discharge port and the second discharge port all communicate with the containing cavity, the filter disc is installed in the containing cavity, the containing cavity is divided into a first cavity area and a second cavity area, an output shaft of the motor is connected with the filter disc, the liquid inlet and the first discharging opening are located in the first cavity area, and the second discharging opening is located in the second cavity area. By rotating the filter disc, the separation of sludge and water is realized by utilizing the filtering effect and the centrifugal effect.

The invention discloses a sewage pipe rapid plugging device and a plugging method thereof. The sewage pipe rapid plugging device comprises a plugging air bag, a power output mechanism, a pipe wall silt removing mechanism and a walking traction mechanism, and the plugging air bag, the power output mechanism, the pipe wall silt removing mechanism and the walking traction mechanism are communicated with a pneumatic power system; and the pneumatic power system has the action of driving the power output mechanism to drive the pipe wall silt removing mechanism to rotate, and the pneumatic power system synchronously drives the walking traction mechanism to pull the pipe wall silt removing mechanism and the plugging air bag. According to the plugging method, an air source drives all the components to act, the walking traction mechanism pulls the pipe wall silt removing mechanism and the plugging air bag, and the plugging air bag reaches the preset position and plugs a sewage pipe. The sewage pipe can be quickly plugged, the plugging efficiency is improved, the phenomenon that the plugging air bag cannot seal the pipe wall of the sewage pipe is avoided, sharp impurities on the pipe wall are prevented from puncturing the plugging air bag, and the sewage pipe can be cleaned and dredged. The sewage pipe rapid plugging device and the plugging method thereof are suitable for the technical field of sewage pipe maintenance.

The invention provides a sewage treatment tank with a steel fixing structure, which comprises a tank body, a water inlet pipe, a water outlet pipe, a sludge pipe, a rotating frame, a center table, a driving mechanism, a sludge removal mechanism, a transmission mechanism, a sludge suction mechanism, a sludge guide mechanism, a sludge discharge mechanism and a sludge scraping assembly, in the rotating process of the rotating frame, the sludge scraping assembly is driven to conduct sludge scraping work on the bottom of the pool body, the transmission mechanism drives the sludge removing mechanism to conduct sludge scraping work on sludge on the side wall of the pool body, and the sludge suction mechanism on the rotating frame concentrates the scraped sludge to the sludge guide mechanism and discharges the sludge through the sludge discharging mechanism. The sludge removal mechanism, the sludge suction mechanism and the sludge scraping assembly rotate along with the rotating frame so that comprehensive sludge removal work can be conveniently carried out on the tank body, a good sludge flow guide effect is achieved, the sludge removal effect and the sludge discharge efficiency of the tank body are improved, and good water quality purification performance is achieved.

The invention discloses a watermelon cleaning and mud removing device for agricultural planting. The watermelon cleaning and mud removing device comprises a cleaning box, wherein a feeding port is formed in the top of one side of the cleaning box, a feeding frame is fixedly connected to the inner wall of the feeding port, a discharging port is formed in the top of the other side of the cleaning box, and a discharging frame is fixedly connected to the inner wall of the discharging port; inclined plates are fixedly connected between the inner wall of one side of the feeding port and the inner wall of one end of the cleaning box, as well as between the inner wall of one side of the discharging port and the inner wall of the other end of the cleaning box, the bottom ends of the inclined platesare arc-shaped, one sides of the inclined plates are fixedly connected, and one same fixing barrel is fixedly connected to the bottom ends of the inclined plates. According to the watermelon cleaningand mud removing device, the downward moving speed of watermelons is reduced, mud attached to the surfaces of the watermelons is subjected to preliminary scraping treatment through a descaling piece,the watermelons are subjected to preliminary cleaning treatment through first bristles, the watermelons are driven to rotate through vortexes, the watermelons are further cleaned through a rotating base and second bristles, and the device has the effect of facilitating discharging.

The invention discloses an arc type overflow dam capable of automatically washing away sand and reducing siltation and a running method of the arc type overflow dam. The arc type overflow dam capable of automatically washing away sand and reducing siltation comprises a dam body, a flow releasing and sand discharging hole, gate slots, gates, a guide wall and a protection bank. The arc type overflow dam capable of automatically washing away sand and reducing siltation is characterized in that the dam body is of an arc reinforced concrete structure; the flow releasing and sand discharging hole is formed in the right side of the dam body; the gate slots are formed in the inner walls of the two sides of the flow releasing and sand discharging hole; the gates are manual steel gates and are installed on the gate slots; the guide wall is of an anti-scouring reinforced concrete structure and is arranged on the upstream right bank; and the protection bank is of an anti-scouring reinforced concrete structure and is arranged on the downstream left bank. In the water season, the steel gates are opened, bend transverse ring flow formed by the arc dam body is utilized for automatically conducting flow releasing and sand washing; and in the dry season, the steel gates are closed, the water level is elevated, and water is stored. Compared with traditional mountainous area overflow dams, the arc type overflow dam has the beneficial effects that the form is decent and attractive, little mud and little sand are deposited in front of the dam, the siltation reducing cost is low, and the comprehensive benefits of the project are more obvious.

The invention discloses an anti-silting structure of a plate brake, and relates to the technical field of plate brakes. The anti-silting structure comprises a flashboard body, the top of the flashboard body is movably connected with an upper sealing plate, and the bottom of the flashboard body is movably connected with a lower sealing plate. The top of the lower sealing plate is fixedly connectedwith a connecting block, and the side, away from the lower sealing plate, of the connecting block penetrates through the top of the flashboard body and extends into an inner cavity of the flashboard body. A connecting groove movably connected with the surface of the connecting block is formed in the inner cavity of the flashboard body, and the bottom of the flashboard body is fixedly connected with the top of the lower sealing plate through connecting bolts. The anti-silting structure of the plate brake is specifically designed according to the characteristics of the silt accumulating angle; when the flashboard body is closed, anti-silting chamfering can effectively avoid a silt accumulating area, and the situation that due to silt accumulation, the flashboard body cannot be completely closed is avoided; and therefore the flashboard body is prevented from water leakage, silt accumulated on the two sides can be broken through silt degrading blocks, and the silt degrading effect is better.

The invention provides a drilling fluid mud negative pressure screening system, which relates to the technical field of drilling fluid treatment, which includes an annular filter belt and a first drive mechanism that drives the filter belt to rotate and vibrate in the circumferential direction. The tensioning mechanism of the filter part of the filter belt is tightened. The upper part of the filter part is provided with a liquid inlet mechanism, and the liquid inlet mechanism is provided with an anti-flush mechanism. The separation device, the gas-liquid separation device and the negative pressure generating device are connected. The solid-liquid separation device includes a cyclone casing and a rotating impeller with gaps arranged in the cyclone casing. The rotating impeller is driven to rotate by the second driving mechanism. A deformed mud scraping mechanism is installed under the rotating impeller. The reducing part can follow the extension of the telescopic cylinder. Long stretch the deformed mud scraping mechanism and drive the deformed mud scraping mechanism to rotate. The problem that the drilling fluid solid-liquid separation equipment occupies a large area and the separation effect is poor in the prior art is solved.

The invention discloses simple fertilization equipment for camellia oleifera planting and a using method thereof, and belongs to the technical field of camellia oleifera planting. The equipment comprises a storage box, wherein a cover plate is arranged at the top of the storage box, a rotating shaft I is rotatably arranged on the rear side of the lower surface of the storage box through a first bearing seat, two supporting assemblies are arranged on the rear side of the lower surface of the storage box, and mud scraping assemblies are arranged on the left side and the right side of the storagebox and are assembled to be used for scraping mud adhering to wheels. According to the equipment, by arranging a discharging assembly and through cooperation of a bevel gear I, a bevel gear II, a bevel gear III and a bevel gear IV, the rotating force of the rotating shaft I can be transmitted to a spiral feeding rod and drives the spiral feeding rod to rotate, and therefore fertilizer can be sprayed to a proper position through a discharging pipe, and convenience is brought to actual use of people; and a whole structure is simple, production and use cost is low, meanwhile, labor intensity ofworkers can be remarkably reduced, working efficiency is improved, and practicability is high.

The invention discloses a winch type sprinkler water pipe desilting device and method. The winch type sprinkler water pipe desilting device comprises a cylinder which is provided with flange plates at two ends and is formed by two buckled half shells. A felt drum is arranged inside the cylinder formed by the two buckled half shells; half blind flanges are respectively arranged at the two ends of the cylinder to press and paste the felt drum onto the two end faces of the cylinder formed by the two buckled half shells; a rotating shaft is symmetrically arranged at the middle part of the cylinder formed by the two buckled half shells; steps are arranged at an end part of the rotating shaft, forming a big end which is stuck in a groove arranged inside the cylinder formed by the two buckled half shells; a rack pipe carriage is fixed on the exposed end of the rotating shaft; and nuts used for fixing the rack pipe carriage are arranged at the two sides of the rack pipe carriage. The desilting device can rotate around the rotating shaft, is simple in structure, convenient to operate, firm and durable and saves time and labor. The felt drum is good in desilting effect without causing damages to the water pipe of the sprinkler and adapts to the angular pitch change of the water pipe.

The invention provides a well head mud removing device. The well head mud removing device comprises a primary rotational flow device and four secondary rotational flow devices, wherein the four secondary rotational flow devices are uniformly distributed at the periphery of the primary rotational flow device, and the top of the primary rotational flow device is communicated with the four secondary rotational flow device through a shunt manifold; the lower ends of the primary rotational flow device and the four secondary rotational flow device are all connected with a mud discharging pipeline; outlets in the tops of the four secondary rotational flow devices are communicated through a gathering pipeline. According to the well head mud removing device, two stages of separation is realized through the combination of four rotational flow mud removing machines instead of one rotational flow mud removing machine, and each stage of mud removing effect is effectively improved through different rotational flow difficulties, handling capacity and matched inlet and outlet manifolds of the two stages of rotational flow devices. According to the device, not only can the mud filtering effect of the well head mud removing device be improved, but also downstream equipment can be protected effectively.

The invention discloses an environment-friendly desilting device for municipal water conservancy projects in the field of municipal water conservancy pipelines, which comprises a box body, the left side of the box body is fixedly connected with a collecting box, the interior of the collecting box is movably connected with a filter plate, the two sides of the filter plate are both provided with fixing mechanisms, and the interior of the box body is fixedly connected with a supporting plate. A lifting mechanism is arranged in the supporting plate, the right side of the collecting box extends into the box body through a pipeline and communicates with a booster pump, the bottom of the booster pump is fixedly connected with the bottom of an inner cavity of the box body, the bottom of the booster pump communicates with a connecting pipe, and the bottom end of the connecting pipe extends out of the box body; the fixing mechanism comprises a clamping block, a supporting rod, a movable plate, a fixing column, a first spring and a handle, the surface of the clamping block is movably connected with the interior of the filter plate, and the top of the clamping block extends to the exterior of the filter plate and is fixedly connected with the supporting rod. The device is good in silt removal effect, so that the cleaning difficulty is reduced, the working efficiency is improved, and use by people is facilitated.

The invention discloses a drainage device for construction site foundation pit construction. The drainage device comprises a base plate, a connecting base and a water collection tank. The middle position of the top end of the base plate is fixedly connected with a water pump. Adjusting columns are arranged inside fixed bases. The adjusting columns are internally and fixedly connected with adjusting holes. One ends of the adjusting columns are fixedly connected with adjusting bolts. According to the drainage device, the bottom end of the fixed bases are fixedly connected with the top end of thewater collection tank; the top ends of the adjusting columns are fixedly connected with the bottom end of the connecting base; the adjusting bolts are screwed and loosened and then are fixed to the different adjusting holes; the supporting length of the adjusting columns can be changed when the adjusting bolts and the adjusting holes are fixed; as a result of changes of the position relation, thedistance between the connecting base and the water collection tank is changed, and the extension depth of the water collection tank is changed; and accordingly, the overall adjustability is improved,and the drainage device adapts to more working environments.