203 results about "Slurry pipeline" patented technology

The invention discloses a slurry flow velocity measurement method, device and system for a slurry pump, and relates to the technical field of slurry flow velocity measurement, and the method comprises the steps: employing an ultrasonic transducer to transmit an ultrasonic signal to a slurry pipeline and receive a reflection signal, and obtaining ultrasonic propagation data; constructing a slurry flow velocity profile model according to the ultrasonic propagation data, and calculating slurry flow velocity and solid phase concentration distribution based on the slurry flow velocity profile model; and based on the slurry flow velocity and the solid-phase concentration distribution, rheological correction is conducted by combining the slurry flow state, and the actual slurry flow velocity of the slurry pump is obtained. According to the method, the non-Newtonian characteristic and the solid-phase migration effect of the slurry are considered in the measurement process, a rheological parameter dynamic correction mechanism based on the Reynolds number is established, and the measurement precision under the working conditions of high-sand-content and high-density slurry is improved compared with a traditional method.

The embodiment of the invention provides a pipeline blockage monitoring method and system for wet metallurgy slurry conveying, and belongs to the technical field of pressure measurement and pipeline blockage monitoring. The method comprises the following steps: collecting multi-point pressure signals along a slurry pipeline, and extracting pressure pulsation amplitudes and phase characteristics in a pump fundamental frequency and frequency multiplication range based on the multi-point pressure signals so as to establish an on-way pulsation transmission sequence; determining equivalent on-way impedance based on comparison between the on-way pulse transmission sequence and a reference working condition, and outputting an initial judgment result for representing a blockage risk; flow temperature and viscosity estimation parameters are introduced based on the initial judgment result to carry out rheological correction on an impedance threshold value, and a high-frequency phase difference is extracted at an elbow section to update a candidate blockage position; and based on the updated candidate blockage position and the corrected impedance threshold, fusing a phase stability index, and generating and outputting a current blockage evaluation result. According to the scheme, early-stage accurate positioning and stable judgment of slurry pipeline blockage can be achieved under complex working conditions.

The invention relates to a slurry pipeline ball pushing system and method. The pipeline cleaning device comprises a ball serving device, the ball serving device comprises a ball pushing device, a ventilation device and a cleaning device, the ball pushing device is used for pushing pipeline cleaning balls into a conveying pipeline, the ball pushing device and the conveying pipeline are in interference fit, the ventilation device pushes the pipeline cleaning balls to move in the conveying pipeline through compressed air, and the cleaning device is used for cleaning and blow-drying the pipeline cleaning balls; the closed ball changing device is detachably connected to the conveying pipeline; the detection device comprises a detection cavity, and when the pipeline cleaning balls enter the detection cavity, the detection device judges whether the pipeline cleaning balls are damaged or not in an air pressure detection mode; and the ball receiving device is used for receiving the pipeline cleaning balls, can reversely push the pipeline cleaning balls back to the ball serving device, and can push the pipeline cleaning balls into the closed ball changing device when detecting that the pipeline cleaning balls are damaged. The pipeline cleaning efficiency is improved, and the service life of the small pipeline cleaning balls is prolonged.

The invention discloses an extremely water-rich sandy gravel stratum localized grouting and water plugging test system and method, and relates to the technical field of grouting simulation systems.The test system comprises a sandy gravel stratum simulation module which comprises a plurality of vertically-arranged model boxes with different diameters, and the model boxes are filled with sandy gravel media; the localized grouting module comprises a slurry storage tank, a slurry conveying pipeline, a ball and a telescopic grouting sleeve which are connected in sequence; the constant-temperature water supply module is used for creating an extremely water-rich environment for the sandy gravel medium; the data acquisition module comprises a pressure sensor and a flow sensor; the data analysis module is electrically connected with the data acquisition module and comprises a pressure analysis module and a flow analysis module; effective simulation of stratums with different scales is realized through the sandy gravel stratum simulation system, and meanwhile, during numerical simulation, the slurry concentration is diluted due to the influence of a water-rich environment, and a slurry density field is introduced, so that the processes of slurry permeation and splitting in the grouting process are comprehensively analyzed.

The utility model relates to an active load adjusting bridge system for a cutter suction dredger. Comprising a bridge frame, the root of the bridge frame is hinged to a cutter suction dredger body, a mud pump assembly and a mud pipeline are installed in the middle of the bridge frame, and a reamer assembly is installed at the end of the bridge frame; a portal frame is installed at the position of a bow of the cutter suction dredger body, a pulley system is installed at the top of the portal frame, a lifting pulley is installed at the top of the end of the bridge frame, a lifting winch is further installed on the cutter suction dredger body, and a lifting steel cable collected and released by the lifting winch is wound on the pulley system and the lifting pulley. And a hydraulic load assembly for exerting an active pushing effect on the bridge frame is further mounted between the cutter suction dredger body and the bridge frame. According to the active load adjusting bridge system for the cutter suction dredger, active load control is applied in a hard soil excavation scene, so that the reamer assembly can effectively feed in a water bottom mud surface, smooth construction is achieved, and excavation construction efficiency is guaranteed.

The invention discloses an efficient dehydration treatment device for waste engineering slurry and a dehydration method of the efficient dehydration treatment device. Relates to the technical field of rapid dehydration of high-water-content waste slurry. The dehydration treatment device comprises a waste slurry pipeline conveying module, a precise dosing module, a multi-stage pipeline mixing and dissolving module and a geotextile tube bag dehydration module which are connected in sequence. Accurate dosing can be achieved according to the water content of the slurry in the slurry sedimentation tank, negative effects on the flocculation effect of the slurry due to too much or too little flocculants are avoided, use of flocculant materials is reduced, the material cost is greatly reduced, meanwhile, the flocculants are arranged, the cationic flocculant YAPAM is adopted as the flocculants, and the flocculation effect of the slurry sedimentation tank is improved. The flocculant has the advantages of small dosage, good flocculation effect, environmental protection and the like. In the flocculating settling process of the slurry, soil particles in the slurry can be rapidly gathered and precipitated through the effects of electric neutralization and adsorption bridging, and the formed floc is stable in structure, large in size and not prone to being broken.

The invention discloses a high-turbidity wastewater treatment system and method.The treatment system comprises a water inlet pipe, a control system, a mud storage tank, a stacked screw machine, a flocculation treatment assembly and a settling pond, the water inlet pipe is connected with the settling pond through the flocculation treatment assembly, and the settling pond is connected with the inlet end of the mud storage tank through a mud pipeline; the outlet end of the mud storage tank is connected with the stacked screw machine through a mud pipeline, the stacked screw machine is connected with the sedimentation tank through a water return pipe, the mud scraper is arranged on the sedimentation tank, and the control system is electrically connected with the mud scraper, the mud storage tank, the stacked screw machine and the flocculation treatment assembly. According to the invention, automatic treatment of high-turbidity raw water is realized, automatic dehydration of sludge and circular treatment of wastewater are realized, the work of manually cleaning sludge in a traditional simple three-grid sedimentation tank is avoided, the technical problems of large workload and unstable treated water outlet are avoided, and the environment and cleanliness of a construction site are greatly improved.

The invention discloses slurry balance shield circulation scale experimental equipment under a simulated large-diameter shield working condition. The slurry balance shield circulation scale experimental equipment comprises an experimental bin, a simulated cutterhead stirring system and a circulation system. On one hand, on the basis of slurry balance shield circulation formed by a simulation experiment, the safe migration speed of particles generated by a large-diameter shield and an ultra-large-diameter shield at different geological environment propulsion rates in a slurry pipeline can be determined, so that the shield is guided, the circulation stagnant discharge probability is reduced, and secondary abrasion of accumulated slag to a cutter is reduced; meanwhile, visualized observation is conducted on bottom accumulated slag of a cutterhead muddy water bin in different modes, quantitative calculation and evaluation are conducted on the slag accumulation proportion, and a supporting basis is found for further research on the contribution degree of bottom accumulated slag to peripheral cutter abrasion; and on the other hand, the experimental characteristics of the experimental parameter reduced scale restart state on the conditions such as diameters of particles generated by different geologies, progressive decrease or progressive increase modes of blocks and the like are studied, and continuous synchronization capability is provided for continuous classification of geological particles and block reduced scale experiments.

The invention discloses an ore pulp conveying pipe network optimization method based on historical data and agent learning, and belongs to the technical field of slurry pipeline conveying. The optimization method comprises the following steps: constructing a mathematical model of the slurry conveying pipe network; constructing a pipe network optimization scheduling model; establishing a Markov decision process; a deep reinforcement learning optimization process; and constructing a target function as a performance index function of the optimization problem. According to the method, a replacement objective function is provided, and the water head and the water age of a pipe network node and the efficiency of a high-pressure diaphragm pump are considered. Compared with other technologies, an accurate dynamic model does not need to be built, excessive starting and stopping of the high-pressure diaphragm pump are avoided, and the service life of a hydraulic element is prolonged. And a feasible solution is provided for the optimization scheduling research of the slurry conveying pipe network.

The utility model relates to the technical field of foundation reinforcement in civil construction engineering, and discloses a building concrete mixing pile which comprises a grouting vehicle, the top of the grouting vehicle is fixedly connected with a power mechanism, the output end of the power mechanism is fixedly connected with a slurry conveying pipeline, the outer wall of the slurry conveying pipeline is fixedly connected with a mixing mechanism, and the mixing mechanism is fixedly connected with the grouting vehicle. A partition plate is fixedly connected to the inner wall of the grouting vehicle, a grouting mechanism is fixedly connected to the top of the partition plate, a controller is arranged outside the grouting vehicle, the stirring mechanism comprises a drill rod, the inner wall of the drill rod is fixedly connected to the outer wall of the slurry conveying pipeline, a first spiral blade is fixedly connected to the outer wall of the drill rod, and a second spiral blade is fixedly connected to the outer wall of the first spiral blade. And the bottom of the drill rod is detachably connected with a stirring head. According to the utility model, the construction quality and efficiency of the concrete mixing pile are ensured, the stable improvement of the foundation reinforcement effect is realized, meanwhile, the construction time and cost are reduced, and the device is suitable for wider geological conditions.

A method and system for recovering, processing, and transporting sand for well fracturing operations. The method and system (i) deliver the sand from a sand source location to a remote site of distribution or use via a sand slurry pipeline which also produces a high level of attrition for liberating clay from the sand, (ii) eliminate the need to use an attrition scrubber for removing the clay, and (iii) reduce fuel consumption and emissions, and provide greater safety, by eliminating the need to transport the sand using trucks which must be driven long distances over hazardous routes.

The invention discloses a circulating slurry online deslagging system for a desulfurization process, and relates to the technical field of liquid deslagging. According to the deslagging system, a filter screen is arranged at an inlet of a circulating slurry pipeline to block large-particle impurities; a deslagging shunting pipe with a built-in functional sieve plate, an air nozzle and a spoiler is arranged at an outlet of a circulating pump, and after circulating slurry is subjected to solid-liquid separation through the deslagging shunting pipe, liquid is conveyed to a desulfurization reactor and finally returns to a desulfurization system; and the solid is conveyed to the online slag removal device for further solid-liquid separation through vibration of the vibrator and scouring of the slurry, the separated slurry flows back to the desulfurization system, the waste slag is conveyed to the waste slag collection box, and finally online slag removal of the circulating slurry is completed.

The present application discloses a kind of slurry pipeline energy dissipation orifice plate, including flange assembly, wear-resistant piece, shell and winding gasket;Flange assembly includes two pieces of flange arranged axially symmetric, flange adopts neck butt welding convex surface type, neck is fixedly sealed with slurry pipeline, and the outer periphery of two flanges is connected by fastening connector;Shell and wear-resistant piece are both hollow annular structure, and the section of both is L type, and the middle annular structure with cavity is formed after being combined, and is clamped in the middle by two flanges, and the diameter of the cavity of two flanges is greater than the diameter of the cavity of middle annular structure;Shell has different thickness, aperture and chamfer, and can realize the close assembly with wear-resistant piece;The inner angle of shell is round angle;Winding gasket is circular, and is arranged on the connecting surface of flange and shell, wear-resistant piece;Also disclose corresponding method and system, through energy dissipation main road and energy dissipation bypass, the flexible selection of commonly used energy dissipation system and standby energy dissipation system can be guaranteed;Reduce blockage, improve the wear resistance and service life of system;Meet the stable operation of energy dissipation station under different working conditions.

The invention relates to the technical field of slurry pipeline transportation, in particular to a water circulation pulping device and method for long-distance slurry pipeline transportation, and the device comprises a pulping and head end pump station subsystem, a terminal dehydration and pump station subsystem, a plurality of intermediate pump station subsystems, a water return pipeline network, a valve group control system and a system control unit; according to the system, a water circulation closed-loop system is constructed, a valve group control system and a water return pipeline network cooperate, a traditional one-way slurry conveying pipeline is transformed into a two-way switchable circulation system, and a system control unit is assisted for intelligent decision making and scheduling; the terminal dehydrated water does not need to build a traditional water treatment facility for up-to-standard discharge, but returns to the head end through a long distance in a step-by-step reverse pumping or independent continuous conveying mode; the problems that in long-distance slurry pipeline conveying, water resources are consumed in a one-way mode, waste is serious, and the terminal water treatment cost is high are solved, internal closed-loop cyclic utilization of the water resources is achieved, and the water resources are saved.

The invention relates to the technical field of mineral geological exploration equipment, and discloses geological structure drilling equipment for mineral exploration, which comprises a drilling assembly, the drilling assembly comprises a drilling cylinder assembly, a core tool assembly is fixedly sleeved in the drilling cylinder assembly, and the bottom end of the drilling cylinder assembly is fixedly connected with a drill bit assembly. The drill barrel assembly comprises a straight-barrel drilling tool, four feeding ports are formed in the side face of the bottom end of the straight-barrel drilling tool, four slurry pipelines are fixedly connected to the inner side of the straight-barrel drilling tool, flow deflectors are fixedly connected to the bottom ends of the four slurry pipelines, the core tool assembly comprises a coring barrel, four sliding strips are arranged on the side face of the coring barrel, and the flow deflectors are fixedly connected to the bottom ends of the four slurry pipelines. The four sliding strips correspond to the four sliding rails, fixing pieces are fixedly connected to the two sides of the top end of the coring barrel, one ends of the two fixing pieces are fixedly connected to the side face of the connecting rod, and the problems that in the slurry injection process, slurry easily invades a rock core, consequently, mineralized fluid samples are distorted, and coring quality defects are caused are solved.

The present invention relates to the field of tunnel and underground engineering technology, and discloses a method for controlling the surface micro-settlement of the underpass surface and structures of a large-section tunnel. The method includes: calculating the surface settlement caused by tunnel excavation, the surface settlement caused by the superposition of a group of pipes, and the surface settlement caused by the over-consolidation of the soil. The sum of the three is the total surface settlement of the underpass surface and structures of the large-section tunnel; controlling the surface settlement by adjusting the values ​​of the pipe curtain stiffness and the support stiffness; controlling the surface settlement by adjusting the number of pipe curtains; controlling the surface settlement by adjusting the value of the grouting pressure, and arranging a lubricating slurry pipeline system in the pipe and a nozzle system evenly arranged around the pipe wall; formulating corresponding groundwater control measures for different strata according to the surface settlement caused by the over-consolidation of the soil. The present application provides an effective method and means for controlling the surface micro-settlement of the underpass surface and structures of a large-section tunnel, which helps to ensure the safe operation of tunnel construction, airplanes and high-speed railways, and the stability of structures.

The invention discloses a slurry pipeline wall thickness detection and energy dissipation system which comprises a host, a probe module, a support, a temperature compensation sensor, an energy dissipation pore plate and a pressure-bearing shell. An energy dissipation pore plate through which slurry can pass is embedded in the circular hole channel of the pressure-bearing shell; a through mounting hole is formed in the pipe wall on one side of the pressure-bearing shell; the bracket is erected in the mounting hole, and the probe module is mounted on the bracket; the temperature compensation sensor is integrated inside or near the probe module; the host is connected with the probe module and the temperature compensation sensor in a wired or wireless mode, the host dynamically calculates the sound velocity according to the temperature interval by means of sound velocity temperature segmentation fitting, and meanwhile, the wall thickness of the energy dissipation pore plate is detected through electromagnetic coil impedance compensation temperature correction. The purpose of pipeline energy dissipation can be achieved, and the thickness of the energy dissipation pore plate can be detected in real time; the influence of temperature on sound velocity and electromagnetic characteristics is corrected in a wide temperature range, and the temperature adaptability and precision of wall thickness detection are improved.

The utility model relates to the technical field of compound fertilizer production, in particular to a compound fertilizer slurry filtering device and a high-tower granulation device. The compound fertilizer slurry filtering device comprises a filter and a slag discharging device, the filter comprises a first shell, a feeding pipe and a discharging pipe are connected to the first shell, the filter is used for being connected to a slurry pipeline through the feeding pipe and the discharging pipe, a filtering piece is arranged in the first shell, and the slag discharging device is arranged in the filtering piece. The filtering piece is located between the feeding pipe and the discharging pipe so as to filter out filter residues in slurry; the residue discharging device comprises a second shell, a spiral blade and a driving assembly, one end of the spiral blade is located in the second shell, the other end of the spiral blade is located in the first shell, the driving assembly is used for driving the spiral blade to rotate so as to convey filter residues on the filtering part to the second shell, and the second shell is provided with a residue discharging opening used for discharging the filter residues. Impurities in the slurry can be filtered out by the filter, and the filtered impurities can be continuously discharged by the deslagging device; impurities in the filtered compound fertilizer slurry are reduced, and the spray head is not easy to block.

The invention relates to the field of thermal power generating unit energy storage media, and discloses a coal water slurry system for rapid load increasing of a coal-fired unit, and the coal water slurry system is coupled to a pulverized coal furnace of the coal-fired unit. Comprising a water-coal-slurry preparation system, a water-coal-slurry storage system, a water-coal-slurry conveying system and a water-coal-slurry burner which are sequentially connected together through a water-coal-slurry pipeline. The direct-fired pulverizing system of the pulverized coal furnace is coupled with the coal water slurry energy storage system, so that the direct-fired pulverizing system is fully used for providing fuel, energy is quickly released through the energy-stored coal water slurry system, and the load is quickly increased. The load can be increased to a numerical value required by a power grid in a short time, and meanwhile, stable combustion of the boiler is kept.

The application relates to a pressure-adjustable curtain grouting device. The pressure-adjustable curtain grouting device comprises a storage box for slurry stirring, a connecting structure, a slurry pipeline with a switch valve connected to the storage box, a pressure-adjusting pump connected to the slurry pipeline, a jetting pipeline for curtain grouting connected to the pressure-adjusting pump, the jetting pipeline comprising a first pipeline and a second pipeline, one end of the first pipeline being connected to the pressure-adjusting pump, the other end of the first pipeline being in communication with the second pipeline through a connecting structure for adding auxiliary materials into the jetting pipeline, an auxiliary material pipeline with a pump being arranged in communication with one side of the connecting structure, and an auxiliary material mixing box being in communication with the auxiliary material pipeline. The application can timely change the properties or concentration of the currently jetted slurry, timely eliminate the adverse effects of slurry spouting or large slurry consumption, and simultaneously carry out auxiliary material and slurry grouting only by mixing the auxiliary material, so that the construction efficiency is greatly improved.

The utility model relates to a pipeline cleaning push ball with spiral scraper, including cylinder, the cylinder surface fixedly arranged with cylinder spiral scraper, the cylinder front end fixedly arranged with spheroid end face, the spheroid end face surface fixedly arranged with spheroid end face spiral scraper, the application increases spiral scraper at spheroid end face, and rotation power advances better and faster to complete pipeline cleaning, and the cleaning degree is improved greatly, and effectively solve the slurry pipeline residual and push ball efficiency problem.

The utility model discloses an isolator for a hot ore pulp pipeline, relates to the technical field of conveying diaphragm pumps of the hot ore pulp pipeline, and aims to solve the problems that an existing isolator is prone to mechanical abrasion and poor in impact resistance due to the lack of elastic buffering. Wear-resistant sleeves are coaxially embedded in central assembly holes of the isolation sheets, a plurality of isolation sheets are arranged in parallel in the axial direction to form an isolation sheet group, flanges are arranged on the two axial sides of the isolation sheet group, the isolation sheet group and the flanges are arranged in a penetrating mode through screws and are matched with nuts to be locked into a whole, and flange cushions are bonded to the axial outer sides of the flanges through vulcanization. According to the utility model, the outer side of the flange is bonded with the flange cushion made of the fluororubber material through vulcanization, so that the impact force generated when the isolator reciprocates to the stop block along the pipeline guide rod can be buffered, the hard contact abrasion between the isolator and the stop block is reduced, and meanwhile, the contact abrasion between the isolator and guide equipment in the pipeline is reduced.

This application provides an automatic continuous measurement method for the flowability of filler materials, comprising the following steps: Step S1, connecting the continuous measurement equipment, including: a first branch and a second branch connected in parallel; a third branch simultaneously connected to the ends of the first and second branches; Step S2, powder preparation; Step S3, automatic batching and slurry preparation, including adjusting the pipeline status, the pipeline status including: slurry preparation mode; water addition mode; and slurry discharge mode; Step S4, leveling work using the automatic flowability measurement device; Step S5, automatic sampling using the automatic flowability measurement device; Step S6, automatic flowability measurement; Step S7, cleaning and resetting the test plate; Step S8, cleaning the pipeline and the continuous measurement equipment. The automatic continuous flowability measurement method involved in this application can achieve high-frequency and accurate monitoring of flowability under long-distance, high-temperature conditions, and its slurry pipeline design can significantly improve the efficiency of multi-ratio tests, meeting the needs of large-scale laboratory testing.

The utility model provides a supporting device for a tunneling machine disassembling and assembling machine, a tunneling machine main machine and a tunneling machine, and belongs to the technical field of tunneling equipment. The supporting device comprises a main supporting frame, and the main supporting frame is provided with a connecting structure detachably connected with a shield body rear partition plate and a hoisting structure used for hoisting the supporting device. The main supporting frame is further provided with a pipe clamp fixing position for fixing a pipe clamp for a mud pipeline, a control box installation position for directly installing an electric control box or an installation plate fixing position for fixing an installation plate for the electric control box, and a valve group installation position for directly installing a hydraulic control valve group or a supporting plate fixing position for fixing a supporting plate for the hydraulic control valve group. According to the utility model, equipment such as an electrical control box, a hydraulic control valve group, a slurry pipeline and the like can be mounted on the supporting device in advance, and then the supporting device is integrally hoisted in place and fixed on a shield body rear partition plate, so that many field fixing operations are omitted, and the mounting efficiency is improved; and the whole supporting device is directly lifted away during disassembly, so that the disassembly efficiency is improved, and the construction cost is reduced.

The invention provides a midline ore drawing and damming method for a tailing pond. The method comprises the steps that a downstream blocking dam and an initial dam are constructed, and the dam top is leveled; the transportation device is controlled to carry the swirler and the slurry pipeline to move on the dam crest along the central axis of the initial dam, meanwhile, tailing slurry is conveyed into the swirler through the slurry pipeline and classified through the swirler, the classified coarse sand is used for impacting and damming to form a secondary sub-dam, and fine sand is discharged into the tailing pond; and the dam crest is piled up in the mode that the central axis is not changed, after the dam crest is leveled, the transportation device is controlled to reciprocate along the central axis of the secondary sub-dam, and the operation is repeated to construct the multi-stage sub-dam. According to the midline ore drawing and damming method for the tailings pond, traditional fixed-point impact damming is changed into movable impact damming, so that the impact range is wider, impact sediment distribution is more uniform, the ore drawing efficiency is greatly improved, the ore drawing difficulty is reduced, the number of needed excavators is small, and the cost can be greatly reduced.

The application relates to the technical field of garbage incineration treatment, in particular to a slurry pipeline line structure and a flue gas treatment system applying the same. The slurry pipeline line structure comprises a first slurry pipeline structure, which comprises a main pipeline and a U-shaped pipeline arranged upwardly and protruding; the top of the U-shaped pipeline is higher than the main pipeline, two pipeline ports of the U-shaped pipeline downwardly protruding are connected with two pipeline interfaces on one side of the main pipeline, a loop is formed, and at least one branch pipeline connected with an atomizer is arranged on the main pipeline. The slurry pipeline line structure and the flue gas treatment system applying the same improve the stability of atomizer operation and solve the technical problem of slurry breakage of the atomizer.

The utility model relates to a flue gas desulfurization technical field, it is a kind of coal powder boiler desulfurization device using PTA inorganic sludge, it includes including sludge pretreatment unit, sludge treatment unit, desulfurization slurry preparation tank, desulfurization tower, boiler, dust catcher and chimney, softening pool left side feed end fixed communication has a plurality of sewage inlet pipeline, softening pool discharge end and sedimentation tank feed end fixed communication has sedimentation tank feed pipeline;Sludge storage tank discharge end and between desulfurization slurry preparation tank fixed communication has slurry pipeline;Boiler exhaust end and dust catcher communication dust inlet pipeline;Dust catcher outlet and desulfurization tower lower part communication has dust after flue gas pipeline;Desulfurization slurry preparation tank discharge end and desulfurization tower upper part liquid inlet end between fixed communication has desulfurization slurry pipeline.The utility model is reasonable and compact in structure, convenient to use, its use PTA inorganic sludge has realized the desulfurization of boiler flue gas, and processing efficiency is high, and operating cost is low, with environmental protection, labour saving, simple, efficient characteristics.

The invention discloses a maintenance-free online measurement system and method for key parameters of desulfurization slurry of a power plant, an outlet of a desulfurization slurry pipeline is divided into two paths after passing through a desulfurization slurry electromagnetic valve, one path is communicated with an inlet of a ceramic membrane filter, and the other path is communicated with a flushing water pipeline through a conventional flushing water electromagnetic valve; the flushing water pipeline is communicated with a water outlet of the ceramic membrane filter through the backwashing water electromagnetic valve, the water outlet of the ceramic membrane filter is communicated with an inlet of the chloride ion flow cell, and a water outlet of the chloride ion flow cell is communicated with an inlet of the pH flow cell; the pH flow cell is internally provided with a pH selective electrode, the chloride ion flow cell is internally provided with a chloride ion selective electrode, the system and the method can realize real-time measurement of chloride ions and pH of slurry, and the accuracy and the stability are relatively high.

The utility model discloses a device for accurately measuring the density of a desulfurizing absorption tower, and relates to the field of power equipment. The device comprises a vertical pipe communicated with a slurry conveying pipeline, the vertical pipe is communicated with an inclined pipe inclining upwards, a control valve and a top cover are arranged at the two ends of the inclined pipe respectively, a densimeter and the top cover are fixedly installed, and a probe of the densimeter extends into the inclined pipe; the upper end and the lower end of the outer side wall of the inclined pipe are communicated with a water inlet pipe and a water outlet pipe respectively, the water inlet pipe and the water outlet pipe are communicated with a water inlet valve and a water outlet pulse valve respectively, and the water outlet pipe is further communicated with an air inlet valve. The inclined tube cleaning device has the beneficial effects that various cleaning modes are applied to the interior of the inclined tube after the inclined tube is closed, so that the cleaning effect on the inclined tube is improved, the problem of slurry accumulation is solved, and the measurement accuracy of the densimeter is ensured.

The present application relates to the technical field of shield machine, especially a device for extending tunnel pipeline of slurry machine, comprising a shield trolley support structure frame, a transverse guide rail is installed inside the shield trolley support structure frame, a travelling trolley is movably installed on the transverse guide rail, and a slurry conveying pipeline is connected to the shield trolley support structure frame through the travelling trolley. The device for extending tunnel pipeline of slurry machine utilizes the zigzag and movable characteristics of the cooperation between the steel pipe and the pipe clamp, connects multiple steel pipes together through the pipe clamp, and arranges the steel pipes on a travelling beam through the travelling trolley, which is similar to a bending ruler. The steel pipe is bent in a V shape when the slurry pipe is extended, so as to realize the extension and retraction of the slurry pipeline. The side-hung type pressurized material crushing mechanism is arranged at the connecting end of the pipe clamp, which can not only crush the sand and stone blocks in the slurry in the pipeline, but also increase the conveying efficiency of the crushing end through the auxiliary pressurizing system, so as to improve the internal material guiding and crushing effect.