130 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 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 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 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 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.

The invention relates to a device for the automatic and widespread application of liquid mud to the body. The device is composed of a bed with an ergonomic structure allowing a user to be comfortably accommodated in a semi-reclined position. It is composed of a shell serving as a seat integrating a low-volume liquid mud tank and a recirculation pump. An upper cover closes the bed and allows heat to be retained and splashes to be avoided. This cover allows specific mud diffusion ramps to be supported.

The utility model relates to the field of sludge processing, in particular to a sludge storage tank with a stirring mechanism. According to the technical scheme, the device comprises a mud tank, a rotary displacement assembly mounted at the upper end of the mud tank, and a lifting assembly mounted on the rotary displacement assembly; the rotary displacement assembly comprises an electric sliding rail, an electric sliding block, a sliding frame, a first motor, a six-edge rotating column, a sliding table, a submersible motor and stirring blades; the lifting assembly comprises a pulley hanging bracket, a third motor, a winch and a hanging rope, by arranging the rotary displacement assembly and the lifting assembly, the stirring device can swing left and right like a floor fan while stirring to increase the stirring area and move front and back to further increase the stirring area, so that the operation of the stirring device in the sludge storage tank is more flexible, and the stirring efficiency is improved. The stirring efficiency of the sludge is greatly improved, so that the components of the sludge are more easily uniform, and the microbial metabolism efficiency is improved.

This utility model provides a mud filtration device and construction system for impact drilled cast-in-place piles, belonging to the field of building construction. It is used to solve the problem of low efficiency in separating mud and slag using gravity sedimentation in existing technologies. The device includes a first filter plate, a vibration mechanism, and a fixing mechanism. By installing a vibrating filter plate at an incline on the top of the mud tank, the vibration of the filter plate can quickly and effectively separate solid particles such as drill cuttings and sand from the mud. Compared with the traditional gravity sedimentation method, this significantly shortens the mud filtration time and improves the filtration efficiency. Simultaneously, the vibration of the filter plate causes the mud to move violently, promoting better separation of smaller, lighter solid particles from the mud, thereby significantly improving the quality of the filtered mud and making its performance indicators more in line with construction requirements. This is beneficial for ensuring the construction quality and stability of the impact drilled cast-in-place piles.

The invention discloses a multifunctional while-drilling grinding and milling test system which comprises a mud tank, the mud tank is connected with a mixer, the mixer is connected with a mud pump, the mud pump is connected with one end of a first discharge high-pressure manifold, and the other end of the first discharge high-pressure manifold is connected with a comprehensive rack and one end of a fourth discharge high-pressure manifold. The other end of the fourth discharge high-pressure manifold is connected with the side wall of a second discharge high-pressure manifold, one end of the second discharge high-pressure manifold is connected with the comprehensive rack, the other end of the second discharge high-pressure manifold is connected with one end of a third discharge high-pressure manifold, and the other end of the third discharge high-pressure manifold is connected with a mud tank; the comprehensive rack and the slurry pump are both connected with the operating console. The testing system solves the problem that an existing testing system can only conduct one-way testing and cannot simulate multi-working-condition drilling testing.

The utility model discloses a slurry tank convenient to clean, which is provided with an inner cavity for storing slurry, a cleaning structure without remaining slurry is arranged on the bottom side of the inner cavity of the slurry tank, and a slurry cleaning guide structure is arranged on the bottom surface of the inner cavity of the slurry tank. The cleaning structure is a circular arc structure which is connected with the side wall of the mud tank and is arranged on the bottom side of the inner cavity of the mud tank; the mud cleaning guide structure is an inclined structure which enables the bottom face of the mud tank to face the length direction of the mud tank. The bottom side of the inner cavity of the mud tank is arranged to be a cleaning structure without remaining mud, and the structure can solve the problem that mud is prone to remaining at the corners of the inner bottom face of an existing mud tank of a cuboid structure, so that the mud cannot be bonded and stopped on the inner bottom face of the mud tank during cleaning; and therefore, the residual mud in the mud tank can be conveniently and thoroughly cleaned, and the influence on subsequent drilling operation is solved.

The application provides an early risk warning monitoring method and system based on video images, and belongs to the technical field of remote video monitoring, and comprises the following steps: configuring an infrared camera and a plane camera; images of drilling fluid at an outlet groove of an oil well mud tank are acquired respectively, and the images are transmitted to a control host in real time; the control host obtains temperature change of the drilling fluid based on the infrared images; volume change of the drilling fluid at the outlet groove is also obtained; the control host analyzes to obtain a first analysis result and outputs warning information, or the control host further acquires infrared images and plane images of a second time length based on processing of the warning information, maintains or changes the first analysis result and outputs the warning information. Through real-time analysis on the temperature and flow of the drilling fluid, downhole conditions corresponding to the first time length are predicted, so that targeted intervention measures are proposed, and execution of the intervention measures is tracked, thereby realizing automatic monitoring and closed-loop feedback.

The invention discloses a mine underground drainage pipeline flushing system and a flushing method thereof, belongs to the technical field of pipeline flushing, and solves the problem that when an existing underground pipeline scales, the inner wall of the pipeline cannot be effectively cleaned in time. The device comprises a water sump and a sludge storage tank, the water sump is connected with a water well through a clear water pipe, the water sump is connected with the sludge storage tank through a sewage pipe, a blow-down valve is arranged at the bottom of the sludge storage tank, the blow-down valve is connected with a sludge storage tank through a blow-down pipe, the sludge storage tank is provided with the sewage pipe, and the sewage pipe is provided with a sludge discharge valve. The flushing method comprises the steps that the mud storage tank is pumped to be in a negative pressure state, mud is conveyed to the mud storage tank in a pressed mode, the vacuum pump, the vacuum valve and the mud suction valve are closed, the high-pressure air valve and the blow-down valve are opened, the mud is conveyed to the closed mud bin in a pressed mode through high-pressure air, the mud in the closed mud bin flows into the mud storage tank automatically, the mud discharge valve is opened, the drain valve is closed, and clean water drives the stored mud to be discharged to the earth surface. The system is good in operation stability, and the problem that the drainage efficiency of a drainage system is low due to serious scaling of the inner wall of the drainage pipeline is effectively solved.

The utility model relates to the related technical field of mud tanks, one embodiment of the utility model provides a mud tank with a floating oil suction device, the mud tank comprises a mud tank main body and a top cover, the top cover is arranged at the top of the mud tank main body and communicated with the interior of the mud tank main body, and a collector is arranged in the mud tank main body and communicated with the floating oil suction device. The floating assembly is arranged on the collector and the mud tank body, the switch assembly is arranged on the top cover, the floating assembly comprises a pair of stand columns, the stand columns are fixed between the interior of the mud tank body and the top cover, the collector is connected to the exteriors of the stand columns in a sliding and sleeving mode, floating boxes are fixedly connected to the surfaces of the two sides of the collector, and a pair of pulleys is arranged at the top of the top cover. By means of the technical scheme, the technical problems that in the prior art, an oil suction device at the fixed position cannot be adjusted according to the change of the slurry liquid level, when the liquid level rises or falls, an oil suction opening can be disengaged from an oil layer, and the oil suction effect is greatly reduced are solved.