1261 results about "Slurry pump" patented technology

The invention relates to the technical field of vibration monitoring, in particular to a slurry pump motion monitoring management system based on data analysis, which comprises a multi-source acquisition module, a period judgment module, a trend focusing module and a dynamic management and control module. According to the method, vibration data are collected through a three-axis acceleration sensor, a fundamental frequency amplitude is extracted through FFT, time-frequency characteristics and periodic distribution are fused in combination with an extreme value interval sequence, the data representation dimension is enhanced, the rising slope is processed through moving average, the periodic variation is calculated, random noise is restrained, and trend continuity is enhanced. Monotonicity test is combined with dynamic threshold judgment to improve anomaly recognition sensitivity; a sliding window is used for segmenting multi-cycle data; a sudden change interval is positioned based on a pressure amplification rate second derivative; the limitation of a frequency domain on transient feature recognition is broken through, a pressure amplification rate three-dimensional vector is constructed, cosine similarity is calculated, and a working condition difference degree is quantified to dynamically bind a maintenance instruction; and closed-loop feedback is formed to improve the early warning and decision matching degree.

The invention relates to the technical field of dredge pump performance analysis, and discloses a numerical simulation and model test-based dredge pump performance analysis method, which comprises the following steps of: planning an analysis process, and determining numerical simulation (dredge pump internal flow field simulation) and model test contents (actually measured performance data under different working conditions); determining working condition types according to design parameters and working conditions; generating a performance analysis process set and determining an execution sequence; generating a simulation parameter setting list and a test scheme list of each working condition; and associating the data to generate an overall scheme. The method further relates to working condition analysis boundary determination, working condition type subdivision, dynamic adjustment of the process, test rule optimization, database construction and the like. According to the method, comprehensive and accurate analysis of the dredge pump performance is achieved through multi-dimensional data integration and a dynamic mechanism, the analysis efficiency and reliability are improved, and the method is suitable for evaluation and optimization of the dredge pump performance.

A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends laterally with respect to the main axis and has opposite facing first and second sides, a plurality of formations on a surface of the second side including an inner formation and an outer formation in spaced relation to the inner formation, the formations being configured so that in use the formations generate a flow of the fluid mixture across the surface which detaches from the surface the particulate matter adjacent thereto.

The invention discloses an automatic control method based on artificial intelligence, relates to the technical field of petroleum drilling, and is applied to a slurry pump. The method comprises the following steps: acquiring a slurry pump, determining fluid pulsation characteristics, mechanical wear characteristics and pump efficiency loss characteristics of the slurry pump according to a preset multi-physics field coupling model so as to construct a multi-modal characteristic vector, then generating an initial control instruction based on a preset fuzzy RBF neural network model, and finally verifying and correcting the initial control instruction based on a digital twinborn model so as to obtain a digital twinborn model. And generating a final control instruction to adjust the working state of the slurry pump according to the final control instruction, thereby realizing real-time monitoring and intelligent control of the running state of the slurry pump, being independent of artificial experience, improving timeliness and accuracy of slurry pump control, and further improving efficiency and safety of drilling operation.

The invention relates to an intelligent masonry robot for an underground roadway. The engineering truck comprises a guniting engineering truck and a masonry engineering truck, the guniting engineering truck comprises a mining pickup truck, a stirrer and a slurry pump, and the masonry engineering truck comprises a crawler walking part, a diesel engine pump station, an anti-explosion electric box, a navigation bridge, an auxiliary mechanical arm, a brick placing platform, special bricks and a masonry mechanical arm. The guniting engineering vehicle and the masonry engineering vehicle can operate independently and cooperate with each other during masonry. The auxiliary mechanical arm places a special claw on the brick placing platform, the masonry mechanical arm grabs special bricks above the brick placing platform, mortar is smeared on the special bricks at the position of the mortar spraying nozzle through cooperation of all levels of arms and the mechanical claw at the tail end, the special bricks are built in a roadway, and integration of mortar spraying, mortar coating and bricklaying is achieved under the assistance of the roadway wall structure parameter real-time detection technology. The construction method has the advantages that a traditional manual masonry mode is replaced, and the construction method has the advantages of being good in maneuverability, high in adaptability, high in masonry efficiency, good in sealing effect and high in gas and CO blocking capacity.

The invention discloses a method for calculating carbon emission of a trailing suction dredger. The method comprises the steps that S1, the shaft power of a dredge pump is calculated; s2, calculating the shaft power of the high-pressure flushing pump; s3, calculating the main propulsion power of the trailing suction dredger; s4, drag head resistance power is calculated; step S5, forming a ship total power calculation model according to the power calculation results of the step S1 to the step S4, inputting a construction state, process parameters, a construction section and construction time, calculating the instantaneous total power of the ship, and further calculating carbon emission; s6, integrating the calculation model, and calculating the carbon emission of the construction period; s7, the construction periods of different construction sections of the channel are measured and calculated; and S8, arranging different ships for construction in different construction sections according to the calculated construction periods of the different construction sections, and calculating the comprehensive total carbon emission of the fleet in the different construction sections. The dredging efficiency is greatly improved, the energy consumption is reduced, and the carbon emission is reduced.

The invention relates to the technical field of bridge foundation construction, and particularly discloses a pile foundation cleaning method and a construction method.According to the cleaning method, before concrete is poured into a pile group cast-in-place pile, a slurry pumping and discharging device is adopted for conducting slurry replacement and hole cleaning on a pile hole, and the slurry pumping and discharging device comprises a rotary hydraulic pump and a slurry pumping and sucking steel pipe; the rotary hydraulic pump is connected with the hydraulic pump station through a hydraulic pump pipe, a stirring head is arranged on the rotary hydraulic pump, an air supply pipe used for supplying air into the mud suction steel pipe is arranged on the mud suction steel pipe, sediment is rotationally cut through the stirring head, an air compressor is used for supplying air to form a mud pumping and discharging path, and then sediment is cleaned after being settled. Not only are the construction quality and the construction efficiency improved, but also the construction safety is greatly improved.

The invention relates to the technical field of welding, and provides slurry pump shell welding equipment which comprises a mechanical arm, a welding gun and a workbench, and further comprises at least two moving tables, a clamping seat, a profiling self-adaptive clamp system, a preheating part and a slow cooling system, and the welding gun is mounted at the movable end of the mechanical arm; the clamping seat is rotatably arranged on the moving table, the profiling self-adaptive clamp system is installed on the clamping seat and used for adaptively clamping the inner side and the outer side of a slurry pump shell, and the preheating part is installed at a welding gun and used for locally and precisely preheating the welding position. The slow cooling system and the profiling self-adaption clamp system are matched to conduct heat preservation and slow cooling on the slurry pump shell after welding, the slow cooling system comprises a heating bin and an air supply pipe, the heating bin is installed on a clamping base, and a heater and a draught fan are installed in the heating bin. According to the technical scheme, the technical problem that in the prior art, the preheating effect and the post-welding heat preservation and slow cooling effect are poor is solved.

The invention provides a drilling control method and system for a self-propelled complex drill bit, and the method comprises the steps: setting a rated cutting torque through obtaining roadbed soil, hydraulic power and geometric parameters, calculating the total propulsion resistance based on the roadbed strength to control the axial jacking force, and carrying out the safety verification of the drag force; calculating a critical flow velocity according to the characteristics of the drilling slag to adjust the discharge capacity and negative pressure of the slurry pump so as to determine an operation boundary; drilling and deslagging are cooperatively executed under the boundary, and the trajectory is corrected by combining a PID algorithm and the propulsion speed is optimized based on the theoretical mechanical drilling speed. According to the method, the technical problems that existing trenchless construction depends on experience to set parameters, scientific quantitative calculation of the slag discharge flow speed and the safety drag force is lacked, and then pipe cable blockage and drainage pipe damage are caused can be solved, and full-system cooperative efficient control of drilling, propelling, slag discharge and guiding based on multi-field coupling calculation is achieved.

The invention provides a digital twinning method for a mud pump for well drilling, which relates to the technical field of mud pumps, and comprises the following steps: aiming at the structural characteristics of the mud pump for well drilling, constructing a mud pump static model comprising a power end static model, a fluid end static model and an auxiliary static model; based on the slurry pump static model, well drilling production real-time data and slurry pump operation real-time data in the well drilling process are accessed to build a slurry pump database; and performing data driving on the slurry pump static model according to the data types of the drilling production real-time data and the slurry pump operation real-time data to obtain a slurry pump digital twinborn model which is in virtual-real synchronization with the real-time drilling process. The performance of the slurry pump can be improved, the maintenance cost is reduced, non-planned shutdown is reduced, and a foundation is laid for predictability of the slurry pump.

The utility model relates to the technical field of mud pump trucks, in particular to mud pump truck pipeline anti-blocking equipment which comprises a truck body, the truck body comprises a base, a pump body is fixedly installed on the surface of the base, a feeding pipe is fixedly connected to the surface of the pump body, and a discharging pipe is fixedly connected to the surface of the pump body. Through the arrangement of the filter plate, large impurity particles in slurry can be intercepted, the large impurity particles can be filtered out, the situation that the large impurity particles enter the pump body and the inner side of the conveying pipeline, and consequently the pump body and the conveying pipeline are blocked can be avoided, the conveying effect of the pump body can be guaranteed, and the service life of the pump body is prolonged. And meanwhile, the screw rod rotates and drives the insertion rod to move, insertion and separation of the insertion rod and the insertion groove can be achieved, limiting and limiting releasing of the mounting rod are facilitated, then cleaning or replacement of the filter plate is facilitated, and therefore the filtering effect of the filter plate on large impurity particles can be guaranteed.

The invention discloses a complex geological foundation open caisson structure and a construction method thereof, and relates to the technical field of open caisson construction.The open caisson structure comprises an open caisson device, a lifting device and a slurry pump, and the open caisson device is an auxiliary construction device; the soil pressing structure and the soil cutting structure of the open caisson device can treat the land around the inner wall of the open caisson wall during construction, during construction, the lifting device places the open caisson device into the poured open caisson wall, the open caisson device can flatten the land around the blade foot of the open caisson wall, and the open caisson wall can be well poured into the open caisson wall. Loads borne by all parts of the blade foot are the same, deviation of the open caisson wall during descending is avoided, the land around the blade foot can be evenly excavated, underground muddy water can be pumped out through the mud pump, underground construction is prevented from being affected, and after the open caisson wall descends to the preset elevation, the lifting device takes the open caisson structure out of the open caisson wall, and the open caisson wall is lifted to the preset elevation. And then the open caisson wall is subjected to bottom sealing.

The invention discloses an underground coal mine large-diameter directional drilling system and a hole forming method. The system comprises a directional drill bit, a single-bend screw motor, a non-magnetic drilling tool, a packing cross short section, a double-wall drilling rod and a double-channel water injection and slag discharge device which are connected in sequence, and a mud pulse measurement-while-drilling instrument is arranged in the non-magnetic drilling tool; the packing crossed short section comprises a short section body and a limiting connector which are connected, and the outer wall of the short section body is sleeved with a sliding sleeve. A double-wall drill rod local reverse circulation mode is adopted for deslagging, compared with a conventional direct circulation mode, the circulating water amount needed for deslagging is greatly reduced, the water supply and pollution discharge requirements of a directional drilling site are greatly reduced, the rated discharge capacity and power of a matched slurry pump are greatly reduced, circulating water flows in an annular channel and a center channel of the double-wall drill rod, and the water supply efficiency is greatly improved. The overflow section is not influenced by the hole wall stratum, the reverse circulation flow deslagging efficiency is high, the cleaning effect in the hole is good, and the technical problems that the amount of circulating flushing liquid needed by a conventional large-diameter directional hole drilling system is large, and the hole wall stability maintaining capacity is poor are solved.

The invention provides a hydraulic engineering desilting device convenient to clean, and relates to the technical field of hydraulic engineering desilting, the hydraulic engineering desilting device convenient to clean comprises a main supporting frame, a main slurry conveying pump, side reamer supports and a side connecting frame, the lower portion of the main supporting frame is fixedly connected with the main slurry conveying pump, and the side reamer supports are arranged on the two sides of the main supporting frame; the upper portion of the side reamer support is in axial sliding connection with the side connecting frame, the upper portion of the main supporting frame is rotationally connected with a lower connecting rotating frame in the circumferential direction, the main supporting frame is fixedly connected with an upper sliding groove disc above the lower connecting rotating frame, and outer arc-shaped sliding grooves are formed in the two sides of the upper sliding groove disc. The main supporting frame is rotationally connected with an upper connecting rotating frame in the circumferential direction above the upper sliding groove disc. The distance between the side reamer support and the main slurry conveying pump is changed, the situation that machine halt is caused due to the fact that stones are clamped between the main slurry conveying pump and the reamer rotating head is reduced, and the problem that due to the design of the fixed distance between the reamer and the suction opening, the stones with the large particle size are prone to being clamped between the reamer and the suction opening, and equipment overload machine halt is caused is solved.

A mining submersible slurry pump with stirring and crushing functions comprises a pump body and an impeller, a rotating shaft for driving the impeller to rotate is rotatably arranged in the pump body, a filter cylinder is arranged at a water inlet of the pump body through a detachable structure, the rotating shaft extends into the filter cylinder and is provided with a moving cutter through a fixed structure, and the filter cylinder is provided with a static cutter through a sliding structure. According to the mining submersible slurry pump, the stirring function, the crushing function, the shearing function and the automatic tensioning function of the movable cutter and the static cutter are integrated at the bottom of the pump body, the technological process is simplified, and the occupied area of equipment is reduced; the synergistic effect of the stirring assembly, the crushing assembly and the shearing assembly is optimized, the treatment capacity of complex ore pulp containing large-particle ore, coal cinder, silt, ropes, fibers and the like is improved, and the operation and maintenance cost is reduced.

The invention belongs to the technical field of testing, and particularly relates to a multi-pollutant co-processing monitoring system of desulfurization equipment. The system comprises a processor, a desulfurization effect monitoring module, an equipment operation feedback module, a matching judgment module, a preprocessing analysis module and a regulation and control optimization module. The desulfurization effect monitoring module synchronously collects sulfur and nitrogen oxide content and dust concentration data in tail gas, the treatment effect is evaluated through a comprehensive deviation value, and the equipment operation feedback module calculates the equipment comprehensive treatment capacity value in combination with operation data of an air compressor and a slurry pump. The matching judgment module evaluates the matching degree of the processing capacity and the multi-pollutant load and generates a regulation and control signal, the preprocessing analysis module evaluates the preprocessing effect and generates an optimization instruction, the regulation and control optimization module generates an optimal regulation and control parameter set based on a multi-target optimization algorithm, and the processor dynamically adjusts a weight threshold and executes fault diagnosis. And comprehensive evaluation and cooperative regulation and control of the sulfur, nitrogen oxide and dust treatment effect are realized.

The invention belongs to the technical field of slurry pumps, and particularly relates to a high-efficiency energy-saving slurry pump capable of converting applicable use environments, which comprises a base, a mounting table is mounted on one side of the base, a driving motor is mounted on the mounting table, a driving wheel is mounted at the output end of the driving motor, and the driving wheel is connected with a driven wheel through a belt; the main shaft can be matched with the clutch assembly to drive the impeller assembly to rotate, the electric telescopic rod can drive the moving frame to move, the moving frame can drive the clutch plate to move when moving, the corresponding impeller assembly can be driven to rotate when the clutch plate makes contact with the friction plate, and the impeller assembly can be driven to rotate when the clutch plate is away from the friction plate. When the main shaft rotates, the impeller assemblies are not driven to rotate, the impeller assemblies made of different materials can be driven to rotate according to the use environment, slurry conveying is achieved, the multiple impeller assemblies can be driven to rotate at the same time through cooperation of the main shaft and the clutch assembly, and the slurry extraction efficiency is improved.

The invention relates to the technical field of slurry pumps, and particularly discloses a slurry pump experimental device, which comprises a pump body experimental unit, a slurry pump experimental unit and a slurry pump experimental unit, the slurry supply unit is located on the input side of the slurry pump and used for conveying slurry to the slurry pump; the slurry backflow unit is located on the output side of the slurry pump and used for recycling the slurry pumped out by the slurry pump and enabling the slurry to flow back to the slurry supply unit; solid particles are intercepted through the separation disc, the height of the separation disc is adjusted according to preset solid content parameters, and the states of slurry with different solid particle contents can be accurately simulated; the viscosity of the slurry can be quickly adjusted by utilizing the heating tank and the stirring piece in combination with preset viscosity parameters, so that the configuration of the slurry with different viscosities is realized; by adjusting the state of the slurry pumping piece, the slurry solid content simulation state and the slurry viscosity simulation state can be flexibly switched, so that the test requirements of the slurry pump under various simulation working conditions are met.

The invention discloses a submarine pipeline laying device, and belongs to the technical field of submarine pipeline laying, the submarine pipeline laying device comprises a sand box, a mixed fluid pressurization conveying assembly and a vibration transmission assembly, the bottom of the sand box is provided with a slag outlet pipe, the outer surface of the slag outlet pipe is connected with a slag slurry pump, a pipeline is installed in a submarine groove, and the upper surface of the pipeline is movably connected with a pipe bag; through mutual cooperation of the water reducing agent tank, the water reducing agent pipe, the flow meter, the flocculant tank, the flocculant pipe and the water pump II, a water reducing agent and a flocculant can be accurately conveyed into the sand box, the flowability of the water reducing agent and the flocculant is ensured, and a mixture of seawater, coarse sand, the flocculant and the water reducing agent can be pumped into the pipe bag through the slurry pump; the flowing and impact of the liquid can drive the tube bag to vibrate, and then drive the vibration rod, the vibration piece, the vibration ball and the non-Newtonian fluid balls in the hole grooves to vibrate, so that the vibration of the tube bag is accelerated, the mixture is prevented from caking, and all corners of the tube bag are uniformly filled with the mixture.

The utility model relates to a desilting device, in particular to a desilting device for hydraulic engineering. The utility model provides a desilting device for a water conservancy project, which can automatically smash silt. The desilting device for the water conservancy project comprises a mounting shell, a servo motor, a connecting frame, a spiral material conveying plate, a material collecting cavity, a guide pipe and a mud pump, the servo motor is mounted on the upper portion of the mounting shell, the spiral material conveying plate is fixedly connected to an output shaft of the servo motor and rotates in the mounting shell, and the guide pipe is fixedly connected to the output shaft of the servo motor. A connecting frame is fixedly connected to the bottom of the mounting shell, a guide pipe is connected to the right side of the upper portion of the mounting shell, a slurry pump is mounted in the middle of the guide pipe, and the stirring paddle is fixedly connected to an output shaft of the servo motor and located below the spiral conveying plate. And through the servo motor, the output shaft of the servo motor drives the stirring paddle to rotate, and then the stirring paddle can smash the sludge, so that the sludge is conveniently discharged, and the sludge is prevented from blocking the guide pipe.

The utility model belongs to the technical field of open caisson sinking, and relates to a cutter suction dredging device suitable for a soft soil layer in an open caisson sinking process, which is characterized by comprising a water inlet pipe, a mud outlet pipe and a dredging system, the dredging system comprises a hoisting frame, a winch, a mud pump, an asynchronous motor and a reamer, the winch is mounted on the hoisting frame, and the mud pump is mounted on the hoisting frame. A slurry pump is installed on a steel wire rope driven by the winch, and reamers driven by an asynchronous motor are installed on the periphery of the slurry pump through an installation frame. A water inlet pipe is installed at the upper end of the mud pump in a limiting mode, and a mud outlet of the mud pump is connected with a mud outlet pipe. In the sinking process of the open caisson, if the open caisson encounters a soft soil layer, the soft soil layer can be changed into mud through water inflow of the water inlet pipe and stirring of the reamer, and then cutter suction dredging operation is carried out. The problem that a traditional sinking mode is not suitable for a soft soil layer is solved.

A wear-resistant ceramic composite metal slurry pump for mineral processing. The slurry pump comprises a bracket (1), a bearing assembly (2), a stuffing box (3), a pump casing (4), and wetted parts; the wetted parts include a front liner (5), a rear liner (6), a throat bushing (7), and an impeller (8); the front liner (5), the rear liner (6), the throat bushing (7), and the impeller (8) each adopt a composite structure in which ceramic blocks are bonded to metal, and the ceramic blocks are bonded to a metal framework in wear-prone areas of the wetted parts by means of an adhesive.

The utility model relates to the technical field of underground coal mine sedimentation tank dredging equipment, in particular to a comprehensive dredging device for an underground coal mine sedimentation tank and the underground coal mine sedimentation tank. The automatic dredging device for the underground settling pond of the coal mine comprises a transfer belt conveyor, a centrifugal machine, a mud scraper, a submersible mud pump and a mud pond. The solid phase separated by the centrifugal machine is discharged to the transfer belt conveyor and is output outwards through the transfer belt conveyor; the mud scraper comprises a tank body, a scraper assembly and an inclined plate sedimentation assembly, the tank body is provided with a feed port and a mud outlet, the scraper assembly and the inclined plate sedimentation assembly are arranged in the tank body, and the scraper assembly is used for scraping sediments in the tank body to the mud outlet; the mud pool is communicated with the mud outlet, and the submersible mud pump is arranged in the mud pool and conveys sediment in the mud pool into the centrifugal machine. The inclined plate sedimentation assembly can improve the sedimentation rate of fine particles in ore pulp. The mud scraper, the centrifugal machine, the mud pool, the submersible mud pump and the transfer belt conveyor are matched, and automatic sediment treatment can be achieved.

The utility model discloses a feeding device for production of spraying rapid-hardening rubber asphalt waterproof paint, and belongs to the technical field of waterproof paint production. Comprising a high-position storage tank, a feeding tank and a rodless scraping unit, and a filling alarm is arranged at the top of the high-position storage tank; the high-level storage tank is provided with a slurry feeding pipe below the filling alarm, and the slurry feeding pipe is connected to the storage tank through a slurry pump set; a first electric control valve group is arranged between the feeding tank and the high-position storage tank; a heating jacket is fixedly sleeved outside the feeding tank; the heating jacket is connected in series with a steam supply unit; the bottom of the feeding tank is connected with a second electric control valve group; according to the feeding device for production of the spraying rapid-hardening rubber asphalt waterproof coating, viscous components in sufficient proportion can be rapidly added into the reaction kettle through heating and pressurizing, and the viscous components can be synchronously mixed and reacted with other components, so that the production quality of the spraying rapid-hardening rubber asphalt waterproof coating is ensured.

The present invention relates to the technical field of data analysis, and discloses a slurry pump fault detection and life prediction system and method based on big data. The present invention first obtains the slurry pump vibration signal, detects the abnormal vibration signal and deletes the abnormal vibration signal, and then performs noise reduction processing on the slurry pump vibration signal; secondly, the slurry pump vibration signal after noise reduction is processed by segmented aggregation approximation and Gram angle field to generate a slurry pump vibration signal image, and extracts the slurry pump vibration signal image features, trains a convolutional neural network, and optimizes the convolutional neural network parameters based on the electric eel foraging optimization algorithm to obtain a convolutional neural network recognition model to achieve slurry pump fault detection; then, the slurry pump vibration signal IMF component is decomposed, the LSTM neural network is trained, the LSTM neural network prediction model is obtained, and the slurry pump life prediction value is output. The present invention achieves the purpose of fault detection and life prediction by processing the slurry pump vibration signal, and the method is accurate and objective.

The invention discloses a carbon capture and storage process for comprehensively utilizing alkaline solid waste, and relates to the field of carbon dioxide capture, a reaction tower and a slurry pump are included, a carbon dioxide concentration meter is installed at a gas outlet pipe at the top of the reaction tower, and a slurry alkaline concentration meter is fixedly installed on a slurry discharging pipe at the bottom of the reaction tower; the bottom layer feeding hole of the reaction tower is communicated with a pulping mechanism which is used for dynamically changing and adjusting the concentration of prepared alkaline slurry according to the carbon dioxide concentration of gas discharged from the reaction tower and the alkaline concentration of residual slurry. Meanwhile, the carbon dioxide in the waste gas after reaction and the alkaline concentration in the slurry after reaction are monitored in real time, the alkaline concentration of the slurry prepared in the slurry making mechanism is dynamically adjusted in real time according to monitoring data of the carbon dioxide and the alkaline concentration, the optimal alkaline concentration of the slurry is constantly guaranteed, and the carbon dioxide is absorbed and mineralized by alkaline solid waste; and carbon dioxide is completely absorbed and fully utilized.

The invention discloses a method for treating gangue through paste-slurry combined filling under the condition of a cut-off type roof, which specifically comprises the following steps: obtaining the yield and particle size distribution of mine gangue according to a product balance table for guiding a paste filling system, an underground coal gangue separation system and a slurry filling system; filling spacing is dynamically adjusted according to the lithology of the roof, the filling spacing is determined by controlling the number of intervals of the supports, it is guaranteed that a paste roof-contacted supporting roof rock stratum collapses, and a stable slurry filling space is constructed; gangue in a ground gangue bin enters a slurry filling system and automatically flows to a slurry pump to be pumped to the position above a working face along a filling pipeline, vertical drilling is constructed in an underground goaf to the position above a slurry filling space, and the filling pipeline is arranged to complete filling; the large-scale disposal of all gangues above and below the mine is completed according to continuous and sequential circulation of mine excavation. By means of paste-slurry filling combined operation, all underground filling treatment of underground gangue solid waste of the million-ton level is achieved, support to a top plate is reinforced through paste-slurry combination, and mine pressure is effectively weakened.

The invention discloses a digital diaphragm wall closed-loop pouring system and construction method.The digital diaphragm wall closed-loop pouring system comprises a concrete supply device, a central integrated control machine and at least one pouring unit electrically connected with the central integrated control machine, and each pouring unit comprises a pouring mechanism, a slurry pumping mechanism and the central integrated control machine; an active pressure pouring technology is adopted, continuous and controllable extra power is provided for concrete flowing through a pressurizing mechanism such as a concrete pump or an air pressure pressurizing system, and a traditional pouring mode purely depending on concrete gravity is replaced. By means of the basic change, the concrete in the guide pipe can actively overcome larger mud static pressure and pipeline resistance, and therefore the technical problems that due to the fact that the burial depth is too large, the concrete cannot flow out smoothly, the pipe is blocked, and even a pile is broken are thoroughly solved.

The broaching device comprises a device rack, a lifting mechanism, a broaching tool set, a rotating station mechanism, a cleaning and guniting mechanism and a driving device.The lifting mechanism is arranged on the device rack, the broaching tool set is fixedly connected to a lifting motion frame of the lifting mechanism and comprises a plurality of broaching tool bodies, and the rotating station mechanism is arranged on the lifting motion frame of the lifting mechanism. Besides, a rotating station mechanism is arranged at the position, located at the bottom of the broaching tool set, of the device rack, the rotating station mechanism comprises a rotating disc and a plurality of sets of station tables fixedly connected to the rotating disc, and the lifting motion frame is in power connection with the rotating disc through a one-way transmission mechanism. A cleaning and slurry spraying mechanism used for cleaning and cooling the broaching tool set is further arranged on the device rack, a driving device is fixedly connected to the device rack, and the driving device is in power connection with the lifting mechanism and the slurry pump body. The device has the characteristics of reducing the maintenance and repair cost, improving the production efficiency and improving the processing quality.

The invention discloses a tailing material flow distribution regulation and control method and a mine production system, the tailing material flow distribution regulation and control method is applied to a tailing treatment system, the tailing material flow distribution regulation and control system comprises a thickener unit and a distribution mechanism, the thickener unit comprises a main treatment area and an adjusting area, at least one thickener is arranged in the main treatment area, and at least one thickener is arranged in the adjusting area; the distribution mechanism is respectively connected with the feeding pipe and each thickener and is used for distributing slurry to each thickener according to a preset program; each thickener is provided with a low material level and a high material level; the distribution regulation and control method comprises the following steps: collecting the flow and density of tailing slurry pumped to the distribution mechanism; the distribution mechanism distributes the slurry by taking the main treatment area as a high priority according to the flow and density of the tailing slurry pumped to the distribution mechanism, and the thickener receiving the tailings performs flocculating settling on the tailing slurry; collecting the material level in the thickener in the working state, and if it is monitored that the material level of the thickener is overloaded, controlling the overloaded thickener to stop feeding sand; if the material level of the dense layer in the thickener is detected to be higher than the low material level, the corresponding thickener discharges sand.