159 results about "Mud tank" patented technology

The invention provides a mud tank liquid level height accurate measurement early warning system and method, the mud tank liquid level height accurate measurement early warning system comprises a measurement support and a control unit comprising a main processor, and the control unit is further connected with a plurality of liquid level detection assemblies, a temperature compensation module, a stirring assembly, an early warning device, a data storage unit and a calibration assembly. The multiple liquid level detection assemblies comprise laser and ultrasonic range finders, the main processor receives detection signals and then corrects the liquid level height in combination with temperature compensation, early warning is started when the liquid level height is abnormal, the detection precision can be calibrated periodically through the calibration assembly, and meanwhile remote data transmission and historical data storage are supported. The method solves the problems that traditional measurement is low in precision, depends on manpower and is delayed in early warning, and is suitable for monitoring the liquid level of the mud tank in various drilling operations.

The invention discloses channel dredging mud solidification equipment which comprises a mud pool, an inorganic flocculation and sedimentation pool, an organic flocculation and sedimentation pool, a filtering device, a support driving lifting and a circular groove driving rotation and horizontally arranged, one end of the circular groove is coaxially and rotationally communicated with a guide-in pipe, and the end, away from the circular groove, of the guide-in pipe is communicated with a hose. The hose is communicated with the inorganic flocculation sedimentation tank; the connecting pipes are arranged on the outer wall of the circular groove at intervals in the circumferential direction of the circular groove, and each connecting pipe communicates with the interior of the circular groove; the plurality of tank bodies are in one-to-one correspondence with the plurality of connecting pipes, and a plurality of filtering holes are formed in the outer walls and the bottom walls of the tank bodies. The slurry curing equipment has the beneficial effects that the time for replacing the tank body can be shortened as much as possible, so that the working efficiency of the slurry curing equipment can be improved as much as possible while the filtering effect of the tank body is ensured, and the practicability is high.

The utility model provides a wastewater sludge treatment system which comprises a conveyor, a reaction tank, a dosing tank, a rotary screen, a filter press, a mud tank and a water storage tank, the conveyor and the dosing tank are respectively connected with the reaction tank, the outlet end of the reaction tank is connected with the inlet end of the drum screen, the outlet end of the drum screen is connected with the inlet end of the mud tank, the outlet end of the mud tank is connected with the filter press, and the water storage tank is respectively connected with the filter press, the drum screen and the mud tank. The utility model further discloses a wastewater sludge treatment method which comprises the following steps: conveying wastewater sludge into the reaction tank by adopting the conveyor, carrying out chemical reaction, then carrying out dry-wet separation, and respectively treating dry and wet; the method is green, low-carbon, economical, efficient, convenient to implement, low in operation cost and stable and reliable in treatment effect.

The invention relates to the technical field of mosquito-repellent incense production, and discloses an automatic powder stirring device which comprises a rack, a mixing tank, a dust collection structure, a dust blowing structure, a rotating structure, two air suction pieces, two air supply pieces and a dust collection structure. Wherein the material mixing tank is installed on the rack, a motor and a speed reducer are arranged on the rack, an output shaft of the motor is in transmission connection with an input shaft of the speed reducer through a transmission part, a rotatable stirring shaft is arranged in the material mixing tank, stirring blades are installed on the stirring shaft, and the stirring blades are arranged on the stirring shaft. And the stirring shaft is fixedly connected with an output shaft of the speed reducer. Through rotation of the eccentric wheel, sequential operation of the air suction piece and the air supply piece is ingeniously achieved, in the powder stirring process, the air suction piece can effectively absorb dust generated by stirring, the air supply piece sprays air towards the air outlet hole of the air suction pipe and blows the dust to the air suction hole, the dust collection efficiency is improved, and the dust collection effect is improved. By means of the design, dust is prevented from flying around.

The invention discloses a dispersion estimation method for overflow flow and overflow density of a trailing suction dredger, which comprises the following steps of: collecting real-time data during normal dredging and loading operation of the trailing suction dredger, and carrying out de-noising processing; respectively determining a state and an observation equation of an overflow subsystem 1 and a state and an observation equation of an overflow subsystem 2 according to a balance equation of the volume and the mass of a mud tank deposition model and a Wiener process model equation of the overflow flow and the overflow density of a mud-water mixture; a cascade observer of a CD-FPF-UKF combined algorithm is constructed to carry out dispersion estimation on the overflow flow and the overflow density; the observer 1 based on the CD-FPF algorithm estimates the overflow flow by using the state and observation equation of the overflow subsystem 1; and the observer 2 based on the UKF algorithm estimates the overflow density by using the state and observation equation of the overflow subsystem 2 and the overflow flow estimation result of the observer 1. The method has high estimation accuracy and short operation time under a large sampling time interval.

The invention discloses a stainless steel rolling oil-sludge separation system and a use method thereof. The separation system comprises a buffer oil tank, a deposition tank group, a sludge tank, an oil-sludge storage tank, a stirrer and a centrifugal machine, an oil inlet of the deposition tank group is communicated with an oil outlet of the buffer oil tank, a sewage draining exit of the deposition tank group is used for delivering the oil sludge, and an oil outlet of the deposition tank group is communicated with the oil inlet of the buffer oil tank and is used for delivering oil; an oil inlet of the mud tank is communicated with a drain outlet of the deposition box group; an oil inlet of the oil sludge storage box is communicated with a drain outlet of the sludge tank and is used for storing oil sludge discharged by the sludge tank; the stirrer is arranged in the oil sludge storage box; an oil inlet of the centrifugal machine is communicated with an oil outlet of the oil sludge storage box, and an oil outlet of the centrifugal machine is communicated with an oil inlet of the oil sludge storage box and used for centrifugally separating the oil sludge; sludge separated by the centrifugal machine is discharged from a drain outlet of the centrifugal machine. Compared with the prior art, the structure is simple, and the oil content of separated oil residues is low.

The utility model provides a road sweeping wastewater and leachate treatment system, the treatment system comprises: a first sewage pool, a second sewage pool, a first treatment assembly and a second treatment assembly, the first sewage pool is used for receiving road sweeping wastewater, the second sewage pool is used for receiving leachate, the first treatment assembly comprises a screening area and a dosing area, and the second treatment assembly comprises a screening area and a dosing area. The second treatment assembly comprises an adjusting area, an acidification pollution discharge area and a membrane biological reaction area, the adjusting area is connected with the second sewage pool, the acidification pollution discharge area comprises a hydrolysis acidification pool and a mud tank, the hydrolysis acidification pool is connected with the adjusting area, the mud tank is used for storing mud discharged by the hydrolysis acidification pool, and the membrane biological reaction area is connected with the membrane biological reaction area. And the membrane biological reaction zone is connected with the hydrolysis acidification pool. The treatment system for the road sweeping wastewater and the percolate can treat the wastewater in a classified manner, and is low in maintenance and use cost.

The invention discloses a pressure control well cementation system and method. The system comprises an automatic throttling unit, an automatic slurry supplementing and pressurizing unit and a control center. Wherein the automatic throttling unit is used for being arranged between a well mouth and a mud tank so as to control the back pressure of the well mouth by adjusting the valve opening degree of the throttling valve; the automatic slurry supplementing and pressurizing unit is used for being communicated with a connecting pipeline between a well mouth and the automatic throttling unit so as to control well mouth back pressure by compensating fluid flow for the system. The control center is used for controlling the automatic throttling unit to adjust the valve opening degree of the throttling valve and / or controlling the automatic slurry supplementing and pressurizing unit to adjust the output fluid flow so as to control the back pressure of the wellhead based on the target fluid parameters of the wellhead and the parameter deviation of the corresponding actually-measured fluid parameters. The fluid parameters comprise pressure or fluid flow, and the actually-measured fluid parameters comprise actually-measured pressure of one end, close to the wellhead, of a throttling valve of the automatic throttling unit or actually-measured fluid flow of the output end of the automatic throttling unit. And pressure control in the whole well cementation process can be achieved.

The invention discloses a slurry purification tank structure facilitating cleaning of slurry in the tank, and relates to the technical field of slurry tanks, the slurry purification tank structure comprises a stirring tank body, a driving motor is mounted above the stirring tank body, a modular assembly mechanism is arranged below the driving motor, and the modular assembly mechanism is used for adapting to slurry treatment under different conditions; an upper assembly part is installed below the adjusting bin, a lower assembly part is installed below the upper assembly part, and a connecting spring is installed between the upper assembly part and the lower assembly part, cleaning work is carried out through relatively weak stirring action by adopting a method of small distributed torsional force, on one hand, abrasion of parts caused by violent vibration is reduced through small-force operation, and on the other hand, the cleaning efficiency is improved; on one hand, key components such as the stirring shaft are protected, the replacement period of the key components is prolonged, on the other hand, scouring and erosion of slurry to the surface of the stirring shaft are reduced, the effective contact time of parts and corrosive slurry is shortened, and therefore the corrosion speed is slowed down.

The utility model discloses a movable environmental protection engineering investigation mud pit, including dolly, shock absorption mechanism, roof and mud pit, the mud pit includes middle common plate, left pit body, right pit body and be equipped with the filter screen on the middle common plate, left pit body is equipped with the mud inlet, right pit body is equipped with the mud outlet, a left opening and closing cover is arranged at the top of the left pool body, a right opening and closing cover is arranged at the top of the right pool body, a supporting locking piece is arranged at the top of the middle common plate, a reverse flow plate is arranged at the bottom of the left pool body, an extension plate is arranged at the lower end of the reverse flow plate, a rear side plate is arranged on the rear side of the reverse flow plate, and a bottom plate is arranged below the reverse flow plate. And the middle common plate, the reverse flow plate, the extension plate, the bottom plate and the rear side plate enclose an accommodating cavity for mounting a drawer. The slurry recycling device is convenient to operate, time-saving and labor-saving, realizes recycling and reutilization of slurry, is convenient for deposition and collection of scraps in the slurry, and is provided with the left opening and closing cover and the right opening and closing cover, so that the environmental protection property and the safety are improved.

The utility model relates to the technical field of hydraulic engineering provides a kind of filter device for hydraulic engineering silt, including water purification tank, the front side top of water purification tank is fixedly connected with mud tank, the front side middle upper portion of mud tank is equipped with square groove one, the inner wall slidingly connected with slider of square groove one, the left end of slider is fixedly connected with cylinder, the bottom of cylinder is fixedly connected with square, the bottom right end of square is fixedly connected with push mud board, and push mud board is slidably connected with the inside front side of mud tank, the top left side of square is fixedly connected with cleaning brush, the rear side bottom of mud tank is rotatably connected with speed control mechanism. The utility model can clean out mud tank with large particles and group silt, prevent the blockage caused by entering into filter plate one, improve the filtering effect, and at the same time, the inclination angle of long plate can be adjusted, so as to reduce the flow rate and the flow of water, prolong the contact time of silt and filter medium, and improve the filtering precision.

The invention discloses a variable-frequency electrically-driven top drive type core drill for geological coring exploration, and relates to the technical field of drilling tools, the variable-frequency electrically-driven top drive type core drill comprises a fixed support, a mud tank is mounted on the fixed support, and a liquid outlet of the mud tank is communicated with a hollow flowing channel in a drill rod through a conveying hose; the lifting supporting frame is connected with a variable-frequency driving motor, the variable-frequency driving motor can move up and down along the lifting supporting frame, an output shaft of the variable-frequency driving motor is connected with a rotating rod, and the end, away from the variable-frequency driving motor, of the rotating rod is connected with a drill rod; the downward pressing device is fixed to the lifting supporting frame, and the telescopic end of the downward pressing device can push the rotating rod downwards; a mixture inlet of the slurry treatment equipment is communicated with the drill hole through an overflow pipe, a conveyor is arranged below a solid outlet of the slurry treatment equipment, and a liquid outlet of the slurry treatment equipment is communicated with a liquid inlet of the slurry tank through a return pipe. According to the invention, the injection and recovery system of the drilling fluid is optimized.

The utility model relates to the technical field of valves, in particular to a mud tank sea valve. Comprising a valve body, a valve seat is fixedly and hermetically connected in the valve body, a valve rod is fixed on a valve cover of the valve body, an inner sleeve is concentrically, fixedly and hermetically connected in the valve rod, a screw rod is concentrically and hermetically connected in the inner sleeve through threads, a step disc is concentrically and fixedly arranged at one end of the screw rod in the valve body, and a fixed disc is fixed on a valve core and located in a step hole of the fixed disc. A gap is formed between the outer edge of the small-diameter end of the stepped disc and the inner edge of the small hole of the stepped hole, a supporting rod is fixed in the valve body and makes contact with the valve seat, the valve seat is located between the supporting rod and the valve element, and a polished rod is concentrically fixed to the valve element, penetrates through the valve seat and the supporting rod and is in sliding connection with the supporting rod. According to the utility model, the valve core is connected with the screw rod by arranging the step disc and the fixed disc, and the step disc can slide in the step hole of the fixed disc, so that the assembly error of the screw rod and the valve core can be eliminated.

The invention discloses a movable slurry box in-groove-in-box combined desanding circulating slurry system and a construction method. The system comprises a volume-adjustable movable slurry box which is composed of a bottom plate, a longitudinal plate, a transverse partition plate and a waterproof groove and can be used as a multifunctional slurry storage device such as a waste water box and a circulating slurry box. Slurry in the construction groove section is conveyed to the rotational flow vibration coarse screen slag remover through an air compressor and a slurry pump to be subjected to coarse sand filtration, the slurry obtained after preliminary sand removal enters the circulating slurry box, the slurry and sand are suspended through stirring of the spiral stirring machine, then the slurry is conveyed to the rotational flow vibration fine screen slag remover, and fine sand and muck are separated; the purified slurry is mixed and regenerated in a slurry mixing box, and is returned to a construction groove section for reuse after being qualified. During construction, the box body can be assembled and adjusted in size according to groove section requirements, and is disassembled and moved to adjacent groove sections for repeated use along with construction propulsion. The in-groove and in-box combined desanding of the slurry is realized, the repeated utilization rate of the slurry is improved, and leakage pollution is avoided.

The invention discloses a method for filtering and draining mud entering a cabin of a drag suction dredger and an implementation device of the method, and relates to the field of dredgers. The drainage method comprises the steps that firstly, the drag suction dredger is moved to a water area needing to be dredged, then a drag suction system is started, a drag suction head goes deep into the water bottom, and then the mud is conveyed into a filtering and draining device through a mud conveying system; the filtering and draining device is used for primarily filtering the sucked slurry, the filtered water is re-drained to the outside from the filtering and draining mechanism, the slurry left in the filtering and draining mechanism continues to move along the conveying system, and then the slurry is moved into a mud cabin on a ship, so that slurry formed by mixing the water and trace fine-particle silt can be drained; the thickness of the slurry is improved, the mud cabin on the trailing suction dredger can load more slurry, the time required by overflow and the amount of the overflowed water are reduced, and the construction time is shortened.

The present application provides a spiral conveyor automatic pushing device and a drill cutting conveying device, the drill cutting conveying device comprises a plurality of centrifuges arranged above the tank surface of a mud tank; a spiral conveyor arranged on the tank surface of the mud tank, the spiral conveyor is provided with a spiral conveyor automatic pushing device, the spiral conveyor automatic pushing device comprises a plurality of guide rails arranged on the tank surface of the mud tank, both ends of the guide rails correspond to the working position and the disassembly and assembly position of the spiral conveyor respectively; and a plurality of automatic lifting and walking devices arranged on both sides of the spiral conveyor, the automatic lifting and walking devices are configured to be capable of extending downwards and connected to the guide rails, and continue to extend to lift the spiral conveyor and separate from the tank surface of the mud tank; wherein the automatic lifting and walking devices walk on the guide rails when the spiral conveyor moves; the spiral conveyor is in the working position when working, and the spiral conveyor is in the disassembly and assembly position when disassembling or maintaining.

This invention discloses a dredging mud solidification device, comprising a mud tank, an inorganic flocculation sedimentation tank, an organic flocculation sedimentation tank, a filtration device, a lifting and lowering support, and a horizontally arranged, rotating circular trough. One end of the circular trough is coaxially connected to an inlet pipe, and the end of the inlet pipe away from the circular trough is connected to a flexible hose, which is connected to the inorganic flocculation sedimentation tank. Multiple connecting pipes are spaced apart along the circumference of the circular trough on its outer wall, each connecting pipe communicating with the interior of the circular trough. Multiple tank bodies correspond one-to-one with the multiple connecting pipes, and each tank body has multiple filter holes on its outer and bottom walls. The beneficial effects of this invention are that it minimizes the time required to replace tank bodies, thereby maximizing the working efficiency of the mud solidification device while ensuring the filtration effect of the tank bodies, making it highly practical.

The invention discloses a test device and method for simulating double-cabin slurry balance shield tunneling under supergravity. The shield body and the slurry feeding and discharging system are fixed through the bottom plate and placed on the geotechnical centrifuge, the soil box and the shield power system are connected through the shield body, the shield body is further connected with the slurry feeding and discharging system, the working cabin is divided into a slurry cabin and an air cushion cabin through the front partition plate, and the shield power system is used for driving the cutter head to rotate and meanwhile driving the main shaft to advance forwards. And the slurry feeding and discharging system is used for conveying slurry and discharging muck into the slurry cabin and the air cushion cabin. Slurry in the slurry cabin is pressed out and permeates into a film by utilizing gas pressure in the air cushion cabin, so that the whole process of tunneling and excavation of the slurry balance shield under large burial depth and high water pressure is simulated, the cutting and forward tunneling actions of an actual shield cutter head are simulated, and the pressure of the slurry in the slurry cabin and the slurry feeding and discharging flow are accurately controlled.

A well system and a method for generating electricity with a wellbore drilling mud flow in a well system. The well system has a drilling rig positioned above a wellbore and a flow line turbine generator coupled to the drilling rig. The drilling rig has a wellhead assembly coupled to the wellbore, a drill string suspended from the drilling rig and extending through the wellhead assembly into the wellbore, a mud tank, and a mud pump fluidly coupled to the mud tank. The mud pump flows a drilling mud from the mud tank into the drill string. The flow line turbine generator is positioned between the wellhead assembly and the mud tank. The flow line turbine generator generates electricity using a return flow of the drilling mud from the wellbore through the wellhead assembly to the mud tank.

The invention discloses a device and method for separating oil in oil-containing soil. The device comprises a first mud tank, a second mud tank, a first grading bin, a second grading bin, a spiral chute, a vibrating screen, a mud buffer tank, a material conveying machine and an oil recycling tank. An outlet of the first slurry tank is communicated with an inlet of the first classification bin, the first classification bin is provided with two outlets, the first outlet is communicated with the second slurry tank, and the second outlet is communicated with the vibrating screen through the second classification bin. The second slurry tank is connected with a spiral chute, the spiral chute is provided with two discharge ports, the first discharge port leads to an oil recovery tank, and the second discharge port is connected with the feed end of a vibrating screen. And the vibrating screen is provided with two discharge holes which are respectively communicated with the material conveying machine and the slurry buffer tank. According to the method, efficient separation of oil substances in the oil-containing soil is achieved, remediation and oil recovery of the oil-containing soil are synchronously achieved, secondary pollution is reduced, economic benefits are improved, and the method has good engineering applicability and environmental friendliness.

The present application belongs to the technical field of mud sampling equipment, and discloses a depth fixing sampler, which comprises a fixing frame, a sampling unit, a lifting unit and a depth detection unit, wherein the fixing frame comprises a horizontal support and a vertical support, the vertical support is a U-shaped support, and an inner side of the vertical support is provided with a clamping groove; the sampling unit comprises a sampling cylinder, an end cover, an ear plate and a counterweight assembly; the lifting unit is installed on the fixing frame and comprises a winding drum rotatably connected to the inside of the fixing frame; the depth detection unit comprises a pull rope type displacement sensor and an ultrasonic liquid level sensor; and the control unit comprises a PLC controller, which is electrically connected with a driving motor, a solenoid valve one, a solenoid valve two, the pull rope type displacement sensor, the ultrasonic liquid level sensor and an encoder. The present application reduces the depth error caused by interference factors in the sampling process through the fusion of multiple sensors, improves the sampling accuracy, and can be used for sampling mud in the mud tank under multiple scenes such as any depth of the mud tank and each liquid level depth of the mud.

This utility model provides an air-lift reverse circulation secondary cleaning device, belonging to the field of cast-in-place pile construction technology. The air-lift reverse circulation secondary cleaning device includes a mud tank, an air compressor, an air-lift reverse circulation pipeline, and a clamping device. The air compressor is connected to an air supply pipeline. The air-lift reverse circulation pipeline is located at the center of the pile hole, and an air inlet pipeline is provided inside the pipeline, passing through the end of the pipeline and connecting to the air supply pipeline. A mud outlet pipeline is also provided at the end of the pipeline, extending into the mud tank. The clamping device is located at the outer edge of the pile hole. The clamping device includes a support base, two columns, and several sets of clamping arms. The support base is placed at the outer edge of the pile hole. The two columns are symmetrically arranged on both sides of the support base. The several sets of clamping arms are rotatably mounted on the columns. This secondary cleaning device, after clamping the air-lift reverse circulation pipeline, can prevent the pipeline from shaking back and forth, reducing safety hazards.

The utility model relates to the technical field of petrifaction, in particular to a petrifaction large mud tank manufacturing process turnover mechanism which comprises a conveying trolley and two moving seats, a first moving groove is formed in the top of each moving seat, a first sliding rod is connected into each first moving groove, and first linear motors are movably arranged on the two sides of the outer portion of each first sliding rod in a sleeved mode. The tops of the two first linear motors are jointly connected with a portal frame, the center of the bottom of the portal frame is connected with an overturning part, and the overturning part comprises a U-shaped frame. Through cooperation of the moving seat, the portal frame, the first moving groove, the first sliding rod, the first linear motor, the second moving groove, the moving supporting component, the fixed supporting seat and the overturning component, the two chains are bound to the two ends of the large mud tank respectively, the speed reduction motor is controlled to rotate forwards or reversely, and then the chains can be driven to rotate outside the winding wheel. And the chain on one side rotates and moves towards the other side, so that the large mud tank is overturned, and the overturning efficiency is improved.

The application discloses a super-large square mud door installation structure and a drag suction dredger and a use method thereof, and belongs to the technical field of mud doors. The super-large square mud door installation structure comprises a mounting frame arranged on a main deck on the top of a mud tank, and further comprises a mud door oil cylinder, a sleeve, a supporting piece, a pushing piece and a positioning pin mechanism. The mud door oil cylinder is fixedly arranged on the mounting frame. The top of the sleeve is connected with the mounting frame, and the bottom of the sleeve extends into the mud tank through the main deck. The supporting piece is fixedly arranged on the inclined bottom plate of the mud tank, and the end, away from the inner wall of the mud tank, of the supporting piece is connected with the bottom of the sleeve. The pushing piece is slidably arranged in the sleeve, and the top of the pushing piece is connected with the piston rod of the mud door oil cylinder. The bottom of the pushing piece is movably connected with the mud door body which is hingedly connected with the bottom of the mud tank. The positioning pin mechanism is arranged on the mud door body. The mud door opening and closing and the positioning lock decoupling are simultaneously completed through a single stroke of the oil cylinder. The limitation that a traditional system needs independent oil paths / electric controls is broken, and the mechanical intelligentization of the ship heavy mechanism is realized.

The utility model relates to the technical field of well drilling, in particular to fire-fighting security equipment for a mud tank area, which comprises a cabinet, and the cabinet is at least provided with a fire extinguishing agent storage bin, a fire extinguishing agent injection driving mechanism, an alarm linkage mechanism, a fire behavior detection mechanism and a main control mechanism. The main control mechanism is electrically connected with the fire extinguishing agent injection driving mechanism, the alarm linkage mechanism and the fire behavior detection mechanism so as to coordinate actions of all the mechanisms. According to the fire-fighting security equipment for the mud tank field, all the mechanisms are integrated in the cabinet, so that the overall structure is compact, fire extinguishing agents made of needed materials can be selected in the fire extinguishing agent storage bin according to environmental conditions and the like, the fire behavior detection mechanism can detect fire behaviors in real time, and the fire extinguishing agent spraying driving mechanism is started to automatically extinguish fire at the initial stage of the fire hazards; the mud tank alarm device is suitable for mud tank areas in remote areas, and is particularly suitable for night areas or unattended areas.

The utility model provides a slurry stirring device, which belongs to the technical field of water treatment equipment and comprises a stirring mechanism and a traveling mechanism. The stirring mechanism comprises a stirring shaft vertically arranged in the mud pit, a rotary power mechanism arranged at the top end of the stirring shaft and stirring blades arranged on the stirring shaft; the walking mechanism comprises an upper rail arranged at the top of the mud pit, a lower rail arranged at the bottom of the mud pit, a rack set fixedly arranged at the bottom of the rotating power mechanism body, upper rail wheels arranged at the bottom end of the rack set, a supporting base arranged at the bottom end of the stirring shaft and lower rail wheels arranged at the bottom end of the supporting base. The bottom ends of the upper track wheels are arranged on the upper track, and the bottom ends of the lower track wheels are arranged on the lower track; and the lower part of a rotating shaft of the rotating power mechanism is inserted into the rack group and is connected with the upper end of the stirring shaft inserted into the rack group. The problems that in the prior art, the equipment cost is high, a plurality of pieces of equipment are not convenient to maintain, and certain stirring dead angles exist can be solved.

The utility model discloses a high-torsion concentrated mud scraping device with a rotating frame. The high-torsion concentrated mud scraping device comprises a transmission shaft, the rotating frame and a mud tank scraping plate, the rotating frame comprises an upper cross-shaped frame and a square three-dimensional frame, a first concentration scraping arm and a second concentration scraping arm are symmetrically arranged on two corresponding vertical side surfaces of the square three-dimensional frame, and the first concentration scraping arm comprises a concentration grid bar, a cantilever beam and a scraping plate; one end of the cantilever beam is connected with the rotating frame, a plurality of parallel scrapers at equal intervals are welded at the lower end of the cantilever beam, the included angle between each scraper and the cantilever beam is 45 degrees, and a row of vertical concentrated grid bars at equal intervals are welded at the upper end of the cantilever beam. The device provided by the utility model is simple and reliable in structural design and strong in torque transmission capability, and can be applied to large-diameter concentration tanks and projects with higher solid content of concentrated sludge and larger load.

The utility model discloses an overflow and leakage monitoring and alarming system. The system comprises an overflow and leakage monitoring sledge, a data acquisition device, an overflow and leakage monitoring device and an alarming device, an overflow leakage monitoring sledge with a mass flow meter is connected to a slurry return pipe of conventional drilling, and drilling parameters such as pump speed, outlet flow, outlet pressure, vertical pipe pressure, slurry liquid level in a slurry tank, drilling time, drilling pressure, drilling disc rotating speed and gas logging total hydrocarbon are obtained by using a data acquisition device and a data transmission system; a software system of the overflow leakage monitoring and alarming system has transmission, input and setting functions, meanwhile, graphic display, digital display and data transmission are carried out on collected or calculated data, various well drilling working conditions are met through calculation, comparison and decision making, overflow or leakage in the well drilling and completion process is accurately found in a lag-free mode, and alarming is carried out. And the well control risk, reservoir pollution and non-production time are reduced, so that the drilling efficiency is improved, and the drilling period is shortened.

This invention relates to an ultrasonic level gauge with protective properties, belonging to the field of level detection technology. It includes: an integrated ultrasonic probe; a detection unit connected to the opening of the mud tank's cover, the detection unit being connected to the integrated ultrasonic probe; and an auxiliary detection unit connected to the inner wall of the mud tank, the auxiliary detection unit comprising: a positioning plate connected to the tank body; an inner guide plate connected to the positioning plate; and an outer guide plate connected to the inner guide plate. The inner and outer guide plates, facing the direction of mixing of the formulated mud in the mud tank, form a gradually narrowing flow-limiting channel. A detection area is provided between the inner and outer guide plates, the width of which is greater than the minimum end of the flow-limiting channel. A drainage channel is provided at the end of the detection area away from the flow-limiting channel. This invention solves the technical problem in existing technologies where it is difficult to simultaneously operate multiple precise measuring devices at construction sites.

A side wall structure of a dredger pumping channel belongs to the technical field of trailing suction dredgers and comprises two symmetrically arranged dredger coamings, a dredger deck located below a main deck is arranged at the top ends of the dredger coamings, and a dredger bottom plate is arranged at the bottom ends of the dredger coamings. An inclined cabin wall is arranged between the inner side of each mud cabin coaming and the top side of the mud cabin bottom plate, a mud door is arranged at the position of the mud cabin bottom plate and connected with a cabin pumping channel, the cabin pumping channel is connected with mud discharging equipment, a cleaning opening is formed in the outer side of the cabin wall, and a sealing door capable of being opened and closed up and down is arranged at the cleaning opening. A water spraying pipe corresponding to the cleaning opening is arranged on the inner side of the cabin wall through a supporting piece, and a water spraying opening communicated with the cleaning opening is formed in the position, corresponding to the cleaning opening, of the water spraying pipe. The side wall structure of the mud cabin pumping channel is reasonable in design, simple in structure, convenient to use and capable of preventing foreign matter from being clamped and accumulated and avoiding mud leakage of a mud door, maintenance cost can be saved, and construction efficiency can be improved.