2958 results about "Screw conveyor" patented technology

The invention relates to the technical field of recycled plastic injection molding, and discloses an injection mold based on a plastic recycled particle uniform plasticizing structure, the injection mold comprises a molding part, the molding part comprises a fixed mold, and one side of the fixed mold is slidably connected with a movable mold. The injection mold based on the uniform plasticizing structure of the plastic recycled particles can effectively solve the problems that in the prior art, the main purpose of a spiral conveyor is conveying, the recycled plastic particles are conveyed forwards and plasticized step by step under rotation pushing of a screw, but the recycled plastic particles are complex in source and difficult to plasticize. The material, the shape, the contained additives and the like of the recycled plastic particles are greatly different, the recycled plastic particles with different characteristics are difficult to be fully and uniformly mixed when entering a mold only through screw conveying and preliminary plasticizing, the interiors of products are easy to have nonuniform components and performances, and the strength of some parts of the products is insufficient. The invention solves the problems of high probability of breakage when bearing external force, poor overall quality, low production efficiency and low product percent of pass.

The invention provides a sandy stratum tunnel water burst risk prediction method. The method comprises the steps that a radar instantaneous energy spectrum in front of tunneling is obtained through a geological radar, a micro-seismic spectrum is obtained through a micro-seismic array, and a residual distance is obtained through laser ranging; aligning and coupling the two spectrums to obtain a water inrush risk index, inputting the water inrush risk index and the residual distance into a self-adaptive threshold comparator, and if the water inrush risk index and the residual distance exceed the limit, dynamically adjusting the rotating speed of a cutter head, propulsive force, the rotating speed of a screw conveyor and grouting pressure, and generating a risk avoidance path; and calling a water inrush risk model library constructed by LSTM-Attention, inputting a risk index sequence, a residual distance, cutterhead torque, a soil pressure gradient, a current change rate and other auxiliary variables, and outputting a future multi-step risk level. According to the method, accurate prediction and real-time avoidance of the water gushing risk of the sandy stratum tunnel can be realized, and the safety and efficiency of tunnel construction are improved.

The invention discloses a sand gravel stratum pipe jacking force-stratum resistance real-time matching control method, belongs to the technical field of underground engineering pipe jacking construction, and solves the technical problems of pipe clamping, ground upheaval or settlement easily caused by mismatching of jacking force and stratum resistance in a sand gravel stratum. According to the method, the jacking force is calculated by collecting the pressure of a jacking oil cylinder in real time, the torque of a cutter head, the rotating speed of a spiral conveyor and the soil outlet pressure are synchronously obtained, and a resistance sudden change area is recognized and target resistance is dynamically predicted based on the sudden change gradient of the torque-rotating speed ratio; the jacking speed, the grouting pressure and the rotating speed of the spiral conveyor are adjusted in a linkage mode according to the real-time deviation of the jacking force and the target resistance; and through grouting closed-loop control and unearthed pressure fluctuation analysis, a penetration abnormal area is judged, a penetration coefficient is corrected, and real-time dynamic matching of jacking system parameters and formation resistance is achieved. The method is mainly used for safe and efficient propulsion control of sand gravel stratum pipe jacking construction.

The invention provides a flexible middle supporting structure of a vertical screw conveyor, which solves the problems of blanking buffering and the like of the screw conveyor, and comprises a conveying cylinder, the inner side of the conveying cylinder is movably connected with a connecting shaft through a screw blade, and a driving assembly and a flux adjusting assembly are arranged between the conveying cylinder and the screw blade. A flexible buffering assembly is arranged between the connecting shaft and the spiral blade. The device has the advantages of good structural stability, low failure rate and the like.

The invention relates to the technical field of underground engineering, and discloses an automatic pipe jacking machine for pipe jacking construction, which comprises a main frame made of high-strength steel and capable of bearing thrust applied by the pipe jacking machine in the working process; the propelling module comprises a plurality of push rods, and the maximum thrust of the propelling module is 80 tons; the guide modules are arranged on the two sides of the main rack, each guide module is composed of a guide frame and a base, and the pipe jacking machine keeps linear motion in the construction process; the heading head is mounted in front of the propelling module and comprises a cutting tool and a spiral conveyor; the power module is arranged in the heading head, adopts a diesel engine, has the power of 150kW, and provides continuous power for the heading head; and the control module is arranged in the main rack and fixedly mounted on the side wall of the main rack. The reliability of the equipment is improved, and the intelligent monitoring and early warning system is additionally arranged, so that the equipment deviation or damage caused by geological sudden change can be effectively avoided, the construction risk is greatly reduced, and the operation safety and high efficiency are guaranteed.

The invention provides a lossless helical blade wear real-time monitoring system and detection method, and relates to the technical field of helical blade wear detection, and the lossless helical blade wear real-time monitoring system comprises at least one group of sensing assemblies and a processing terminal. Each sensing assembly comprises at least one sensing unit and is arranged on a barrel of the spiral conveyor, and each sensing unit is suitable for obtaining the magnetic induction intensity change in the process that a spiral blade is abraded in a detection range or rotates towards and away from the sensing unit and outputting a detection signal; the processing terminal is in communication connection with the sensing unit and is suitable for obtaining a detection curve representing the change of the relative position of the spiral blade and the sensing unit according to the detection signal and comparing the detection curve with a preset calibration data set so as to determine the abrasion loss of the spiral blade in the detection range according to the matching degree of the detection curve and the calibration data set.

The utility model discloses a screw conveyor screw shaft blade wear detection device, and solves the problems of high difficulty and low precision of screw shaft blade wear detection in the prior art. The utility model relates to a screw conveyor screw shaft blade wear detection device, which comprises a fixed seat arranged on a screw conveyor cylinder in a sealing manner, a telescopic driving piece with a stroke sensor is arranged on the fixed seat, and one end of the telescopic driving piece extending into the screw conveyor cylinder is connected with a detection plate corresponding to a screw blade. The detection plate is provided with an abrasion detection piece for measuring the abrasion loss of the detection plate; according to the device, the oil cylinder, the displacement sensor and the like are adopted, and the function of rapidly measuring the abrasion loss of the spiral shaft can be achieved through the displacement generated when the oil cylinder pushes the lower detection plate in a closed environment. The wear detection device provided by the utility model solves the problems of difficulty in wear detection, high detection cost, untimely detection, low detection precision and the like of the screw shaft of the screw conveyer on site, and realizes the purposes of convenience, rapidness and high accuracy in wear detection of the screw shaft.

The present invention belongs to the technical field of construction engineering, and particularly relates to an intelligent fluid soil solidifying agent mixing and loading production line and method, including: a material transportation part, located on the periphery of the box body part, including a feeding unit near the front and rear access doors and a discharging unit near the front access door; a material storage and use part, installed in the upper inner area of the box body part, including a material transportation and cutting unit, a classified material storage unit, and a weighing and feeding unit that are sequentially located under the lower surface of the inner ceiling of the box body from top to bottom; a production part, installed in the lower inner area of the box body part, including a U-shaped screw conveyor, a toothed roll crusher, a high-frequency vibrating screen, a first low-pressure continuous conveyor pump, a double-motion mixer, a second low-pressure continuous conveyor pump, and a valve-opening full-automatic packaging machine that are sequentially located in the lower area of the box body from back to front. The present invention can realize the automation of raw material transportation, storage, processing, production, and bagging, and effectively reduce the production and use cost of the solidifying agent at the construction site.

The present invention discloses a sludge shaftless screw conveyor for treating and recycling ceramsite from sludge, which relates to the technical field of sludge treatment. It includes a housing and a scraping assembly. One side of the housing is fixed with a motor, and the output shaft of the motor is connected with a screw blade. The scraping assembly is arranged outside one end of the screw blade. When it is necessary to clean the shaftless screw blade in the present invention, only need to start the motor to make the screw blade rotate. At this time, since the first scraper and the second scraper are respectively attached to both sides of the screw blade, the surface of the screw blade can be scraped and cleaned. Moreover, the connecting column can also block the gap formed between the first scraper and the second scraper to prevent residues from passing through. At the same time, the height of the top plate is positioned by using the sliding seat, the sliding rail, the connecting plate and the adjusting assembly, so as to avoid the vertical sliding of the first scraper. Therefore, when the screw blade rotates, it will also push the first scraper to move, so as to comprehensively clean the outside of the screw blade.

The invention relates to the technical field of chemical waste liquid rectification separation, in particular to a solvent rectification device for chemical waste liquid treatment, which comprises a frame, two mounting boxes, a tower body and the like, the frame is connected with the two mounting boxes, the tower body is mounted on the two mounting boxes, and the mounting boxes are communicated with the tower body. Chemical waste liquid can be injected into the tower body through the waste liquid pipe, a high-boiling-point solvent can be injected into the tower body through the solvent pipe, the original azeotropic condition is broken, and the relative volatility among components is changed, so that rectification separation is realized, the filler can be conveyed upwards through the spiral conveyor, the filler is conveyed into the tower body for loading, and the production efficiency is improved. The sliding plate can be driven by the lead screw motor to move rightwards, so that the discharge hole corresponds to the tower body, old filler falls onto the material guide plate through the discharge hole and rolls leftwards to be discharged, the filler is automatically cleaned and replaced, manpower and material resources can be saved, and the safety can be improved.

The utility model discloses a stirring kettle for in-situ dyeing of a PBO polymer, which belongs to the technical field of stirring kettles and comprises a kettle body, a feeding port and a driving motor are arranged at the upper end of the kettle body, the driving motor is connected with a stirring shaft through a coupler, the stirring shaft extends into the kettle body and is connected with a stirring frame, stirring blades are arranged on the stirring frame, and a discharging port is arranged at the lower end of the kettle body. The discharging port is connected with a conical spiral conveyor, the lower end of the stirring shaft is connected with a first spiral belt shaft through a one-way driving mechanism, the first spiral belt shaft is arranged in the conical spiral conveyor, and a first spiral belt is arranged on the first spiral belt shaft. The PBO polymer and the pigment are both contained in the kettle body through the feeding port, the motor rotates forwards to mix materials (the conical spiral conveyor is static) when rotating forwards, high-speed and high-efficiency mixing of the pigment and the polymer materials is achieved, after the pigment is mixed, the motor rotates backwards to drive the stirring shaft to rotate, and the stirring frame, the stirring blades and the first spiral belt shaft rotate backwards, so that the stirring effect is achieved. And the mixed material in the kettle body is discharged from the discharge hole through the conical spiral conveyor.

The invention discloses a device and method for transporting powdery raw materials for hydrogen production, the device comprises a spiral conveying rod, a feeding / discharging assembly and a feeding flow optimization system, and the system works cooperatively through four modules: a material state analysis module for outputting a material state coefficient based on particle breakage rate and moisture content change; the equipment operation state analysis module outputs an equipment state coefficient according to the raw material temperature, the current fluctuation and the vibration amplitude; the transmission dynamic process analysis module is used for generating a rotating speed-density matching coefficient in combination with the material state coefficient, the equipment state coefficient, the temperature rise speed and the filling compactness; and the feeding flow optimization module is used for dynamically adjusting the target feeding flow through a feeding flow optimization model on the basis of the current feeding / discharging flow of the rotating speed-density matching coefficient. Material integrity protection, equipment operation stability improvement and flow self-adaptive control in the powder conveying process are achieved, and the hydrogen production raw material conveying efficiency and reliability are remarkably improved.

The utility model relates to the technical field of screw conveyors, and discloses a screw conveyor transmission system with a bearing protection mechanism, which comprises a gear box, a speed change mechanism is movably mounted on the inner wall of the gear box, a sealing mechanism is sleeved on the outer wall of the speed change mechanism, a mounting pipe is fixedly mounted on the outer wall of the sealing mechanism, and the bearing protection mechanism is fixedly mounted on the mounting pipe. The mounting pipe is arranged on the right side of the gearbox, the sealing mechanism comprises an auxiliary sleeve, a clamping block, a spiral blade, a cover plate, a first buckle, a ball, a second buckle and a fixing plate, and the speed change mechanism comprises an input shaft, an input gear, a first transmission shaft, a second transmission shaft, a second speed change gear, a first speed change gear, an output shaft and an output gear. According to the utility model, the problems that the bearing is damaged and cannot be completely conveyed when dust materials are conveyed are solved, the sealing mechanism can be used for sealing between the output shaft and the mounting pipe, powder is prevented from entering the bearing and influencing the bearing, and thus the protection on the bearing is improved.

The invention relates to the technical field of screw conveyors, in particular to an end shaft hole dynamic sealing structure of a chemical single-pipe screw conveyor. Comprising a conveying shaft rotationally connected to a rack; the flange is connected with the end cover, a through hole is formed in the middle shaft, the conveying shaft is in clearance fit with the through hole, the inner side face of the flange is coaxially connected with an end cover leakage-proof ring, and the end cover leakage-proof ring is in clearance fit with the conveying shaft. The annular limiting seat is coaxially connected to the outer side of the flange connecting end cover; the packing body is arranged between the annular limiting seat and the conveying shaft; the inner wall of the packing pressing ring is in clearance fit with the conveying shaft, the packing pressing ring comprises a flange connecting part and a pressing part, the flange connecting part is adjustably connected to the annular limiting seat through a connecting piece, and the pressing part abuts against the outer end of the packing body. According to the end shaft hole dynamic sealing structure of the spiral conveyor, the acting force of the spiral blade for pushing materials can be eliminated, the materials are prevented from being extruded into a gap between the packing and the spiral shaft, and the sealing performance is good.

A helical screw conveyor unit, worm shaft, worm extruder and method for providing a worm shaft, wherein the helical screw conveyor unit is an exchangeable element for a helicoidally or spirally winding helix of a worm shaft, having a main body with a helicoidally winding helix element, wherein the helical screw conveyor unit is serviced with little outlay on servicing, the top side of the lateral surface is concavely curved in shell-like form about the longitudinal axis, and the main body has a radial opening for the leadthrough of a fastening region of a worm shaft shank, the helix element has at most one half of one helix turn, the the main body lateral surface has an inner surface for being seated on the fastening region, and the helical screw conveyor unit has at least one fastening element for detachably fastening the main body to the fastening region.

The invention discloses an intelligent flow production line construction method for prefabricated meter gauge sleepers, and belongs to the technical field of sleeper production. In the production process of prefabricated meter gauge sleepers, the problems that the production process is not intelligent, parameters in all links are not accurately controlled, and the product quality is difficult to guarantee exist. In order to solve the problems, according to the construction method, concrete raw materials are conveyed into a double-spiral stirrer through a spiral conveyor to be stirred, and then operations such as injection into a mold vehicle, high-frequency vibration, steam curing and hydraulic demolding are conducted in sequence. Segmented gradient control is adopted in a heating area of the steam curing chamber, a three-stage humidity compensation mechanism is arranged in a constant temperature area, and dynamic balance cooling is implemented in a cooling area. According to the method, intelligent and precise control over prefabricated meter gauge sleeper production is achieved, the production efficiency and the product quality are effectively improved, and the method is mainly used for industrial production of prefabricated meter gauge sleepers.

The invention discloses digital intelligence powder type distribution-free variable viscosity fracturing fluid skid-mounted equipment and a control method thereof, and belongs to the technical field of oil and gas field development. The equipment comprises a stirring mechanism, a feeding mechanism, a water feeding mechanism and a discharging mechanism which are centrally controlled through a control box. The feeding mechanism adopts a first screw conveyor to convey solid materials to the stirring tank body; the water supply mechanism supplies water to the tank through a water supply pump and a water outlet pipe with an electromagnetic valve, and the water quantity is monitored by a water inlet flow sensor; the discharging mechanism outputs the mixed liquid through a discharging pump, and the viscosity of the fracturing fluid is detected in real time through a viscosity sensor. The control box is connected with all the sensors and execution components, and automatic adjustment and closed-loop control of the material proportion are achieved by collecting flow and viscosity data. According to the invention, accurate and automatic preparation of the fracturing fluid is realized, the problems of inaccurate traditional manual proportioning and poor stability are effectively solved, and the fluid preparation quality and the operation efficiency are remarkably improved.

The invention relates to a popcorn-shaped water-soluble fertilizer quality screening device after production, and relates to the technical field of fertilizer screening devices.The popcorn-shaped water-soluble fertilizer quality screening device is characterized in that a first discharging opening and a second discharging opening are formed in the side wall of a device shell, and a third discharging opening is formed in the bottom of the device shell; the spiral conveyor is fixedly installed in the device shell, and a discharging port of the spiral conveyor is communicated with the device shell. The fixed end of the motor is fixedly installed on the device shell, the output end of the motor is coaxial with the spiral conveyor and fixedly connected with the spiral conveyor, and the motor is used for driving the spiral conveyor to work. The screening assembly is arranged in the device shell, the screening assembly is connected with the spiral conveyor, and the screening assembly is used for screening the popcorn-shaped water-soluble fertilizer; the transmission assembly is installed on the device shell and connected with the motor and the screening assembly, and the transmission assembly is used for driving the screening assembly to work. The popcorn-shaped water-soluble fertilizer screening device has the effects of screening popcorn-shaped water-soluble fertilizers with different particle sizes and improving the quality of finished products of the popcorn-shaped water-soluble fertilizers.

The utility model relates to the technical field of food processing, in particular to a spiral material scattering mechanism which comprises an auger conveyor, the auger conveyor comprises a conveying pipeline, a rotating shaft is arranged in the conveying pipeline, a spiral blade is axially arranged on the rotating shaft, a hopper is arranged on the conveying pipeline in a communicated mode, and the spiral blade is arranged on the hopper. An adjusting plate is arranged at an outlet of the conveying pipeline and used for adjusting the height of the rotating shaft, the upper portion of the adjusting plate is detachably connected with the conveying pipeline, the lower portion of the adjusting plate is rotationally connected with the rotating shaft, and screen holes are formed in the position, close to the outlet, of the bottom of the conveying pipeline. The screw conveyor is convenient to debug and install, is suitable for various materials, effectively avoids friction between the screw blade and a pipeline, and reduces the risk of food safety.

The invention relates to the technical field of spiral conveying, and discloses a rare earth spiral conveying and discharging system which comprises a rack, a machine shell is arranged on the rack, and the machine shell comprises a shell body; a top plate is arranged on the upper edge of the shell; a feeding hopper is arranged on the top plate; a cover plate is arranged on the top plate; a hinge is arranged on the cover plate, and a material door is hinged to the hinge; a first hinge seat is arranged on the cover plate, a first telescopic rod is hinged to the first hinge seat, a second hinge seat is hinged to the piston end of the first telescopic rod, and the second hinge seat is connected with the material door; a first flange plate is arranged at a port in one side of the shell, a side plate is arranged on the first flange plate, a spiral conveying mechanism is arranged on the side plate, a port in the other side of the shell serves as a material port, a second flange plate is arranged on the outer side of the material port, and the material door controls opening and closing of the material port; by limiting the structure of the machine shell, no deposition space is formed at the position of the material opening, by arranging the material door capable of being opened and closed, rare earth moving in one direction can be rapidly discharged, blockage at the position of the material opening is avoided, and continuous discharging and bagging of the rare earth are guaranteed.

A thermal treatment reactor for feedstocks and method of use. The thermal treatment reactor comprises an infeed assembly, a furnace, a rotary drum, a discharge assembly, and a liberator assembly. The rotary drum may comprise forwarding flights, mixing flights, oscillating flights, and raking pins. The feedstock to be thermally treated enters the reactor through the infeed assembly. The feedstock is fed into the reactor in a controlled manner by means of a screw conveyor system. The thermally-treated product exits the reactor via the discharge assembly, which separates the thermally treated product into a VOC liberator, from whence the product enters into a cooling system to reduce the temperature for safe storage and handling.

The invention relates to a spiral conveying type river channel desilting device and a self-adaptive sludge collecting method, and relates to the technical field of river channel desilting, and the spiral conveying type river channel desilting device comprises a spiral conveyor assembly, a collecting opening assembly, a filter screen assembly and a discharging assembly. The device has the effect of avoiding blockage during dredging, the spiral conveyor assembly comprises a spiral shaft, a first driving motor and other assemblies, the first driving motor can drive the spiral shaft to rotate to move and transport sludge, the collecting opening assembly comprises a collecting opening body, a spring adjusting mechanism and other assemblies, and the spring adjusting mechanism is connected to the inner bottom end of the collecting opening body. The spring adjusting mechanism can automatically adjust the opening angle of the collecting opening body according to the thickness of river bottom sludge, and the riverbed is prevented from being damaged due to excessive digging; the filter screen assembly can filter the sludge and isolate solid impurities in the sludge, and the rear end of the collecting opening body is connected with the discharging assembly, so that the solid impurities can be discharged in time, and the sludge is prevented from being blocked and the dredging effect is prevented from being influenced.

The utility model relates to the technical field of oil presses, in particular to a large numerical control oil press which comprises an oil press body, a feeding bin, supporting legs, a spiral conveyor, a supporting plate, a discharging pipe, an impurity removing mechanism and a stirring mechanism. The oil press comprises a feeding bin, an oil press body, a plurality of supporting legs and a spiral conveyor, the supporting legs are fixedly arranged between the feeding bin and the oil press body, the spiral conveyor is fixedly arranged on the oil press body, the two ends of the spiral conveyor communicate with the feeding bin and the oil press body correspondingly, and a supporting plate is fixedly arranged in the feeding bin. The problem that the oil quality is affected due to the fact that impurities are doped in oil materials in the oil pressing process in the prior art is solved.

The invention discloses compost turning and mixing equipment for organic fertilizer production, and relates to the technical field of organic fertilizer production, the compost turning and mixing equipment specifically comprises a chassis, a lifting conveyor is mounted at the front end of the chassis, and a screw conveyor, a storage assembly and a mixing bin are mounted at the rear end of the chassis; material receiving hoppers are mounted at the feeding ends of the two groups of spiral conveyors; the material storage assembly and the material mixing bin are both located between the two sets of spiral conveyors, and a material mixing mechanism is installed in the material mixing bin. Fertilizer turning and auxiliary material adding and mixing are integrated, the fertilizer does not need to be laterally thrown, the requirement for the site area is relatively low, the fertilizer can make full contact with air in the whole turning process, fertilizer aeration is sufficient, and therefore the compost quality is improved, and according to the actual requirement in the turning process, the fertilizer can be conveniently and rapidly turned. The materials for adjusting the carbon-nitrogen ratio and the moisture and the microbial agents for adjusting the microbial fermentation flora are added in an auxiliary mode, manual adding along with equipment is not needed, and the labor intensity of workers can be greatly reduced.

The invention relates to the technical field of solid material drying and smashing, and discloses sugarcane nitrogen-fixing microbial inoculum drying and smashing equipment which comprises a drying machine, an auger conveyor and a smashing machine body, a first supporting seat is arranged at the bottom of the drying machine, and a second supporting seat is arranged at the bottom of the smashing machine body. A crushing chamber is arranged under the crusher body, the two ends of the auger conveyor are located under the drying machine and over the crusher body respectively, the drying machine is arranged on one side of the top of the first supporting seat, and a heat recovery mechanism is arranged on the other side of the top of the first supporting seat. A screening mechanism is arranged on one side of the top of the second supporting base. The heat energy utilization rate is increased through a closed hot gas recovery system, automatic connection of drying and smashing links is achieved through auger conveying and blast conveying, efficient flow dividing is achieved in combination with power sweeping and a double-layer screening structure, the energy efficiency, the screening precision and the product percent of pass are remarkably improved, and continuous and stable operation of equipment is guaranteed.

This invention discloses a continuous, high-efficiency, automatic dry-mixed mortar preparation equipment, relating to the field of mortar preparation technology. It includes a sand drying device and a feeding hopper. A sand particle screen is installed on one side of the sand drying device, and a screw conveyor connects the sand drying device and the sand particle screen. The dried sand enters the sand particle screen via the screw conveyor. Under the action of a first and second uniform material assembly, the mortar on the first conveyor belt consists of coarse sand, fine sand, cement, and filler laid out in sequence. Because the fine sand can fill the gaps in the coarse sand, reducing the relative movement space of the coarse sand and increasing internal friction, the cement and filler can be positioned on top of the coarse and fine sand. The dry-mixed mortar is stacked in a layered structure in a packaging bag using an anti-segregation telescopic tube, reducing stratification during bagging and transportation after mortar preparation, and reducing the mixing time between the mortar and water in the later stages.

The utility model discloses a multi-hearth circulating fluidization and activation integrated furnace device for preparing activated carbon by a physical method, and relates to the field of activated carbon preparation of an activation furnace and a waste activated carbon thermal regeneration device. The device comprises a sealed spiral conveyor, a feeding pipe, a baffling type air cap, a pneumatic conveying medium inlet, a distributing device, a discharging pipe, a discharging pipe, a material cooling machine, a top gas mixer, a cyclone separator, a material returning device, a slag discharging pipe, a gas case, a bottom gas air cap and a slag cooling machine. Through the cyclone separator, carbonaceous semi-coke particles with the particle size larger than 100 micrometers are captured, activating agent gas flow is recycled from the lower hearth to the material layer of the upper hearth through the baffling type air cap, and granular carbonaceous materials flow into the material layer of the lower hearth through the discharging pipe after being fluidized and activated from the upper hearth and are continuously fluidized and activated for product collection; the activating agent is saved, and meanwhile, the activated carbon yield of a carbonaceous raw material is increased, so that the integrated furnace device is more environment-friendly and economical.

The utility model discloses a mine paste filling powder batching device and method. The mine paste filling powder batching device comprises a silo, a silo top cover is arranged at the top of the silo, a dust remover and a safety valve are arranged on the silo top cover, a feeding port is formed in the upper portion of the silo and connected with a feeding pipe, and the bottom end of the silo is connected with an upper port of a silo cone. A lower port of the bin cone is connected with one end of a feeding pipe through a pneumatic butterfly valve A and a tubular flexible connector A, the other end of the feeding pipe is connected with a hopper top cover of a hopper barrel, the bottom end of the hopper barrel is connected with an upper port of a hopper cone, and a lower port of the hopper cone is connected with a feeding port of a spiral conveyor through a pneumatic butterfly valve B and a tubular flexible connector B; one end of the breathing pipe is connected with the side face of the feeding pipe, and the other end of the breathing pipe is connected with the hole opening of the hopper top cover; and a plurality of flow aiding devices are arranged on the cone wall of the bin cone and / or the cone wall of the hopper cone.

A fly ash recycling system for hazardous waste incineration dry-process deacidification comprises a Venturi reactor, a bag type dust collector, a dust collector screw conveyor, a recycling hopper, an ash discharging valve and recycling conveying equipment.The fly ash recycling system has the advantages that unreacted deacidification agents and dust which are directly discharged by the original bag type dust collector are collected through recycling materials by the aid of equipment transformation design; the fly ash recycling flow is controlled by a variable frequency control ash discharging valve, and then the fly ash is sent back to a throat of the Venturi reactor to be mixed with flue gas again, so that under the condition that the amount of the deacidification agent powder in the Venturi reaction tower is kept consistent, the dosage of the deacidification agent powder in a dry deacidification system of a hazardous waste incineration project is reduced, and the deacidification efficiency is improved. And the amount of the deacidification agent powder newly fed into the Venturi reaction tower can be greatly reduced, so that the dosage of the dry-method deacidification system is saved, and the waste is reduced. Moreover, when the amount of fly ash generated by the combustion system is small, such as a dry deacidification system of a waste liquid incinerator system, the deacidification efficiency can be improved by increasing the circulation ratio of the system.

The utility model discloses an aluminum ash and calcium oxide anti-blocking conveying device. Relates to the field of powder conveying equipment. Comprising a screw conveyor, a feeding port is formed in one side of the top of the screw conveyor, a discharging port is formed in the other side of the bottom of the screw conveyor, a feeding pipe is arranged at the feeding port, the bottom of the feeding pipe is communicated with the screw conveyor, and a collecting hopper is arranged at the top of the feeding pipe; a vibration motor is arranged on one side of the feeding pipe and used for vibrating materials in the feeding pipe, a penetrating hole is formed in the other side of the feeding pipe, a sleeve is arranged in the penetrating hole in a penetrating mode, and a dredging mechanism driven by a hydraulic rod is arranged in the sleeve. The dredging mechanism can penetrate into the inner side of the feeding pipe in the radial direction of the feeding pipe and vibrate materials in the feeding pipe. The feeding pipe has the effects that bridging and blocking of materials in the feeding pipe are damaged, and it is ensured that the materials can be conveyed smoothly.