1197 results about "Screw conveyor" patented technology

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.

Eccentric screw pump with a rotor of a drive shaft circulating essentially about a fixed axis in relation to the stator in a bearing block, a power train and a screw conveyor, which revolves in a rotating-oscillating manner in a screw flight of the stator, wherein the power train provides the screw conveyor with its drive torque and the power train adjusts the differences of the motion sequences of the screw conveyor and of the drive shaft, wherein the power train consists essentially of a one-piece rotational body, which has multiple weakening recesses, which interrupt its outer circumferential jacket surface more than only insignificantly and which provide it with that reversible elasticity, which it requires in order to rotate about an axis of rotation, which curves in a periodically recurring manner at least in sections.

An inlet hopper (3) for feeding powdered bulk material (P) into a screw conveyor (2) comprises a hopper wall (22) that defines an interior space (23). The inlet hopper (3) includes a stirring unit (30) with an agitator (31) that is arranged at least partially within the interior space (23) and is rotatable about a rotary axis (33) by means of a drive (32). The agitator (31) is frame-shaped to detach the bulk material (P) from the hopper wall (22) and to break up any bulk material bridges.

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The utility model discloses a cut tobacco stem separating device which comprises a pressure equalizing chamber, an impurity discharging spiral conveyor, a star-shaped material throwing roller, an airflow material throwing mechanism, a winnowing box, a feeding hopper and a gathering cover. An air outlet is formed in the top of the pressure equalizing chamber; the winnowing box is positioned above the pressure equalizing chamber; the star-shaped material throwing roller is positioned at the air outlet; the airflow throwing mechanism and the feeding hopper are both communicated with a feeding port in the side face of the winnowing box. According to the tobacco shred and stem separating device, airflow is adopted for throwing materials, and light materials (such as tobacco shreds) and heavy materials (such as stem sticks) are thrown into the winnowing box at different throwing speeds and angles. Meanwhile, when the materials are thrown by the air flow, the material throwing direction is upward inclined material throwing, the horizontal moving speed of the materials in the cavity of the winnowing box is low, the horizontal moving distance of the materials in unit time is short, the utilization rate of the winnowing box can be effectively increased, the length of the box can be effectively reduced, and the occupied area of equipment can be reduced.

The utility model discloses a highly-vacuum ultralow-temperature sludge drying system which comprises a first-stage airtight stock bin, a first spiral conveying device, a connecting bin, a second-stage airtight stock bin and a second spiral conveying device which are sequentially connected from top to bottom, the first spiral conveying device is provided with a first feeding port and a first discharging port, the first feeding port is communicated with the first-stage airtight bin, the first discharging port is communicated with the connecting bin, the top of the first-stage airtight bin is rotationally connected with a first airtight door, and the top of the second-stage airtight bin is rotationally connected with a second airtight door. And a second feeding hole and a second discharging hole are formed in the second spiral conveying device. According to the highly-vacuum ultralow-temperature sludge drying system disclosed by the utility model, a completely sealed design is adopted, a relatively high vacuum degree exists in the system through the vacuum pump, and an internal temperature field is established through reasonable arrangement. On the premise of ensuring the drying effect, the average drying temperature is greatly reduced, and the operation cost of a user is reduced.

The invention provides an anti-blocking control method and system for a spiral conveying device and the spiral conveying device, and belongs to the technical field of material conveying equipment. The method comprises the following steps: acquiring real-time current data of a spiral motor of the spiral conveying device; based on the quantitative relation between the preset filling rate and the current value of the spiral motor, the real-time filling rate of the materials in the spiral conveying device is determined according to the real-time current data; comparing the real-time filling rate with a preset anti-blocking threshold value; under the condition that the real-time filling rate is larger than or equal to a preset anti-blocking threshold value, it is judged that the blocking risk exists, speed increasing operation is executed, and the speed increasing operation comprises the step that an instruction is sent to the variable frequency driving module to increase the rotating speed of the spiral motor. And the active anti-blocking effect of the spiral conveying device is achieved, the risk of manual disassembly and blockage clearing is reduced, and a guarantee is provided for continuous operation of the whole system.

The invention discloses a lifting hook type shot blasting device, and relates to the technical field of shot blasting machines, the lifting hook type shot blasting device comprises a shot blasting chamber and further comprises a support fixed on the shot blasting chamber, the support is slidably connected with a lifting appliance through a rail, a plurality of shot blasting devices are fixed on the shot blasting chamber, a spiral conveyer is fixed on the shot blasting chamber, and the lifting appliance is connected with a lifting hook. A bucket elevator is arranged on one side of the spiral conveyor, and the discharging end of the spiral conveyor is located in the bucket elevator. The shot blasting device comprises a shot blasting chamber and a supporting frame fixed to the shot blasting chamber, a treatment box is fixed to the supporting frame, a screening mechanism is arranged on the treatment box, and the screening mechanism is used for screening impurities containing impurities in shots; the winnowing mechanism is arranged on the treatment box, and the winnowing mechanism is used for screening out fine impurities containing impurities in the shots; through the arrangement of the screening mechanism, large-particle-size impurities and broken shots can be more directly and effectively prevented from entering the shot blasting chamber again, and all parts in the shot blasting chamber can be well protected.

The invention relates to the technical field of solid waste treatment, and discloses a coking solid waste treatment device, which comprises: a material mixing assembly, which comprises a double-screw conveyor and a coal bunker arranged at the top of the double-screw conveyor, and a discharge port of the double-screw conveyor is connected to a bucket elevator; the moving assembly comprises a sliding way, a sliding block arranged in the sliding way, a moving base arranged on the sliding block, a first motor arranged on the sliding way, a first transmission piece connected with the first motor and the sliding block and an overturning assembly. According to the coking solid waste treatment device, coking solid waste and coal are mixed and then directly conveyed to the coke oven for coking through the coking belt, stacking in a coal yard is avoided, and therefore the coking solid waste is prevented from polluting soil; the solid waste is prevented from being accumulated at one position to influence the mixing efficiency of the double-screw conveyor, and the coke quality and the solid waste treatment efficiency are improved.

The invention discloses a manufacturing method of a multifunctional toilet cleaning block. According to the method, continuous production of the toilet cleaning block of a multi-layer structure is achieved through an automatic process. The method comprises the specific steps that bottom materials are mixed through a funnel, then precisely put into the bottom of a mold cavity through a spiral conveyor and flattened; the core material is centrally arranged through a vibration disc or a suction disc device; the top material covers the surface of the core material in the same manner; one-time forming of multiple layers of materials is achieved through a pressurizing device with a pressure monitoring function; after demolding is completed through the demolding clamping mechanism, 180-degree overturning positioning is conducted through the vacuum suction cup device; and finally, sealing and packaging are completed through a blister packaging machine. According to the scheme, modular equipment is adopted for collaborative operation, the technical bottleneck of discontinuous production of the multi-effect toilet cleaning block is broken through, multi-effect collaboration of cleaning, sterilization and the like is achieved through the layered pressing technology, and meanwhile the production efficiency and the product percent of pass are improved. According to the method, full-process automatic production from feeding to packaging is realized.

The invention relates to a device and method for a jet flow coordinated heading machine to penetrate through an underground diaphragm wall, the device for the jet flow coordinated heading machine to penetrate through the underground diaphragm wall comprises a cutter head, a cutter head cutter and a telescopic spray head, the cutter head cutter is arranged on the cutter head, the cutter head is provided with a telescopic hole position used for installing the telescopic spray head, and the axis of the telescopic hole position extends in the front-back direction; a reciprocating driving mechanism is installed in the telescopic hole site and used for driving the telescopic nozzle to stretch and retract front and back along the telescopic hole site. The telescopic nozzle can realize advanced rapid cutting of a front reinforcing steel bar structure, so that stirring and aggregation of reinforcing steel bars during rotary cutting of the cutterhead cutter are avoided, the cutting length of the reinforcing steel bars is reduced, and smooth deslagging of a spiral conveyor of the tunnel boring machine is facilitated; the technical problems that steel bars are difficult to cut and the cutting length of the steel bars is large in the process that an existing tunnel boring machine penetrates through an underground diaphragm wall are solved.

This utility model discloses an energy-saving coal particle conveying system based on circulating waste heat air, relating to the field of coal particle conveying technology. It includes a furnace, a screw conveyor, a motor, a heating tank, and an auger. A preheating mechanism is provided on the side of the furnace, comprising a heating tank, an air duct, and a fan. The heating tank is connected to the side of the air duct, and the air duct is fixedly connected to the top of the fan. This structure integrates waste heat collection with coal particle conveying, shortening the waste heat transmission path and reducing heat loss. Simultaneously, the fan delivers waste heat air to the heating tank through the air duct, forming a directional circulation channel, ensuring that the hot air acts evenly on the coal particle conveying path, improving pre-drying efficiency. A blower is configured in the bottom combustion chamber below the furnace, which can precisely control the amount of combustion air input, allowing for more complete fuel combustion and providing a stable heat source for the waste heat air system.

A material separating device of a mechanical pulverizer comprises a spiral conveyor used for separating materials, the spiral conveyor comprises a machine shell and a working cavity formed in the machine shell, and an air inlet channel used for introducing positive pressure airflow into the working cavity is formed in the machine shell. According to the utility model, the structure can be greatly simplified, the cost is reduced, the operation and the maintenance are easy, the positive pressure airflow is introduced to strip the powder in the material, and the separation efficiency, the powder recovery rate and the material purity after the powder is separated are greatly improved.

Device for transporting the wood chips produced by a chipper (1) and exiting its outlet opening (2) by means of a screw conveyor (8) which runs in a conveying tunnel (3) along the conveying direction (4), wherein one end (6) of the conveying tunnel (3) is open for the discharge of the wood chips, characterized in that the screw conveyor (8) is enclosed on all sides by the conveying tunnel (3), wherein one end (5) of the closed conveying tunnel (3) is connected to the outlet opening (2) via a connecting element in a flow-tight manner.

The invention provides a corn combine harvester with a large operation range, and relates to the field of corn harvesters. The corn combine harvester with the large operation range comprises a vehicle body and a rack, a header is arranged at the front end of the rack, a spiral conveyor is arranged below the header, and a peeling device is arranged at an outlet of the spiral conveyor. The peeling device comprises a plurality of groups of peeling rollers which are oppositely arranged, each peeling roller comprises a fixed roller and a floating roller, the floating roller can move relative to the fixed roller, and a pressure sensor is embedded in the floating roller. A central controller is arranged in the rack, and the pressure sensor is in signal connection with the central controller. A conveying belt is arranged below the peeling device, and an elevator is arranged on the downstream of the peeling device. The stress state of corncobs is sensed in real time through the pressure sensor, and the central controller dynamically adjusts the gap between the floating roller and the fixed roller according to a pressure signal, so that each corncob obtains matched stripping force, self-adaptive stripping is realized, and the complete stripping rate and the kernel perfectness rate are improved.

The utility model relates to the technical field of fertilizer-grade calcium hydrogen phosphate production, and discloses a fertilizer-grade calcium hydrogen phosphate blanking device, which is characterized in that a blanking hopper is fixedly arranged on the top surface of a base, supporting legs are fixedly arranged on the bottom surface of the blanking hopper, an output pipe is fixedly arranged on the front surface of the base, a spiral conveying device is arranged on the inner side of the output pipe, and the spiral conveying device is arranged on the bottom surface of the base. A folding pipe is fixedly installed on the side, away from the base, of the output pipe, a guide pipe is fixedly installed on the side, away from the output pipe, of the folding pipe, a discharging box is fixedly installed at the end, away from the folding pipe, of the guide pipe, and a dustproof bag is fixedly installed on the side, away from the guide pipe, of the discharging box. According to the fertilizer-grade calcium hydrophosphate discharging device, firstly, the base is placed at a flat place, the slope can prevent materials from being stacked at the bottom, the spiral conveying device is started, the materials are put into the discharging hopper, an opening in the upper side of the discharging hopper is large, the materials are more convenient to receive, and the anti-stacking slope can prevent the materials from being stacked on the discharging hopper.

The utility model discloses a spiral conveyor for dry-mixed mortar preparation relates to dry-mixed mortar preparation equipment field. This spiral conveyor for dry-mixed mortar preparation, including fixed shell and transmission shaft, the transmission shaft is inserted in the fixed shell inboard, the fixed shell is including lower tank shell, first upper cover shell and second upper cover shell, and the lower tank shell inboard is connected with the positioning kit, the first upper cover shell is located lower tank shell top, the second upper cover shell is located lower tank shell top, and the first upper cover shell and second upper cover shell are located positioning kit both sides. This spiral conveyor for dry-mixed mortar preparation adopts split type fixed shell design, including lower tank shell, first upper cover shell and second upper cover shell, is connected through fixed clamping strip and reinforcing bolt, is convenient for installation and dismounting, is favorable to the maintenance and overhaul of equipment, and spiral wing board is provided with multiple groups and can be combined into complete spiral push material board, when partial spiral wing board is damaged, only needs to replace the corresponding damaged component.

The utility model discloses a furfural residue utilization system which comprises a hydrolysis kettle, a residue storage warehouse, a stokehole stock bin, a drying flue, a crusher, a vibrating screen, a furnace top gas-residue cyclone separator, a boiler, a bag-type dust collector, an air preheater, an induced draft fan, a desulfurizing tower, a demister, a denitration device and a chimney, a slag discharging opening of the hydrolysis kettle is communicated with an inlet of the slag storage warehouse, a discharging opening of the slag storage warehouse is communicated with a feeding opening of the stokehole stock bin, a discharging opening of the stokehole stock bin is communicated with a feeding opening of the spiral conveyor, a discharging opening of the spiral conveyor is communicated with a feeding opening of the drying flue, and a discharging opening of the drying flue is communicated with a feeding opening of the crusher. A discharging port of the crusher is communicated with a feeding port of the vibrating screen, an undersize product outlet of the vibrating screen is communicated with a feeding port of the furnace top gas-slag cyclone separator, and a discharging port of the feeding port of the furnace top gas-slag cyclone separator is communicated with a fuel inlet of the boiler. According to the furfural residue recycling device, furfural residues can be efficiently treated, resource utilization of the furfural residues is achieved, and the combustion efficiency of the boiler is guaranteed.

The utility model relates to an efficient titanium dioxide crude product classification treatment device which is characterized in that a discharge port of a bucket elevator is connected with an inlet electric three-way valve through a discharge pipe, a first discharge pipe connected with the inlet electric three-way valve is connected into a crude product bin, and a second discharge pipe is connected into a temporary storage bin; a discharging pipe at the bottom of the temporary storage bin is connected with an outlet electric three-way valve, a first material distributing pipe connected with the outlet electric three-way valve is connected into a first magnetic separator, an outlet of the first magnetic separator is connected into a spiral conveyor through a qualified material pipe, and a discharging pipe of the spiral conveyor is connected with an inlet of a bucket elevator; a second material distributing pipe connected with the outlet electric three-way valve is connected into a second magnetic separator, and an outlet of the second magnetic separator is connected with a discharging and packaging system through an unqualified material pipe. The device can quickly isolate abnormal materials from a main production line to enter the temporary storage bin, avoids mixed loading pollution with normal materials, and ensures stable quality of main products.

This invention provides a self-cleaning aluminum ash conveying device, belonging to the field of aluminum ash conveying. It includes a screw conveyor with a top cover. The top cover has partition grooves evenly spaced along its length. Air holes are provided on both the front and rear sides of the screw conveyor, with each pair of adjacent air holes forming a group, and several groups arranged along the length of the screw conveyor. A moving assembly is symmetrically arranged on both the front and rear sides of the screw conveyor, and a moving plate is installed within the moving assembly. This invention, through the cooperation of the moving assembly, lifting assembly, and connecting assembly, enables the simultaneous and reverse blowing of aluminum ash from both sides of the screw conveyor. Simultaneously, the partition frames on both sides isolate the interior of the screw conveyor, preventing the blown aluminum ash from shifting laterally within the screw conveyor, thus ensuring a more thorough cleaning effect.

The utility model discloses a spiral conveying device for plastic particles, which comprises an auger with a feeding end and a discharging end; the supporting assembly is connected with the lower end of the auger and is used for supporting upwards; the feeding hopper is arranged at the feeding end and is connected with the auger; the discharging hopper is arranged at the discharging end and connected with the auger. The supporting assembly comprises an upper support and a lower supporting foot detachably connected with the lower end of the upper support, the inner wall of the lower supporting foot is provided with protrusions arranged in pairs, the lower end of the upper support is provided with an inserting rod extending into the lower supporting foot, and the two sides of the inserting rod are vertically provided with guide grooves matched with the protrusions. After the whole supporting assembly is disassembled, the supporting assemblies with different heights can be met only by replacing the lower supporting legs with the matched lengths, and therefore the requirement for adjusting the inclined height of the conveying device is met.

The application belongs to the technical field of magnetic material preparation, and particularly relates to a production process of high-performance rare earth permanent ferrite magnetic powder. The process comprises the following steps: preparing iron red and auxiliary materials, wherein the auxiliary materials comprise calcium carbonate, strontium carbonate, lanthanum oxide and cobalt oxide; mixing raw materials in proportion, then performing dry ball milling to obtain mixed materials; performing steam treatment on the obtained mixed materials to make the water content of the mixed materials reach 2-5%, then performing ripening, and the ripening time is at least 30 min, and the ripening process is completed in the screw conveyor; balling; pre-sintering; performing coarse crushing on the pre-sintered materials and sieving to obtain rare earth permanent ferrite magnetic powder. Through steam pretreatment and ripening, the strength and thermal stability of the ball materials are significantly improved, the ball materials remain complete in the kiln, the flowability is good, and the consistency and qualified rate of the product are improved.

The utility model relates to concrete admixture adding equipment technical field provides a quantitative filling device for concrete admixture production, including base frame, be located on the admixture buffer tank of base frame and the spiral conveyor that connects in proper order first and last, quantitative conveying component, vibration subassembly, agitator jar. The inlet of spiral conveyor is located at the outlet of admixture buffer tank. The weighing assembly is equipped below the vibration subassembly, the supporting seat is equipped below the weighing assembly, and the supporting seat is height -adjustable with base frame. Quantitative conveying component includes upper connecting pipe, lower output pipe and quantitative valve connected between upper connecting pipe and lower output pipe, and the outlet end of lower output pipe is equipped with the blocking plate of pivotal connection. Admixture quantitative delivery reaches in lower output pipe, and the blocking plate is driven to open the outlet of lower output pipe, and the weighing assembly weighs the admixture falling on the vibration subassembly. The utility model guarantees the measurement accurate condition of admixture addition, avoids the dust floating caused by the leakage of admixture, and guarantees the construction environment.

The utility model provides a spraying equipment for housing external wall thermal insulation layer construction relates to building engineering field, the utility model discloses a screw conveyor, the utility model discloses a stirring device is set to when the thermal insulation layer construction of housing external wall, will pour the thermal insulation material into the feed hopper, then starts the drive motor on screw conveyor and drives the screw conveying rod in the inside to convey the thermal insulation material in the feed hopper to the spray pipe, then is sprayed on the external wall of house by the spray gun, makes it form the thermal insulation layer, when the thermal insulation material is placed in the feed hopper, can start servo motor and drive the round bar rotation on the support, then cooperate with the auxiliary mechanism and drive a plurality of recessed blocks and the ball in the feed hopper happen circular motion's while, and back and forth movement knock in the inner wall of feed hopper, make the feed hopper vibrate, effectively avoid the thermal insulation material in the feed hopper and stratification and stratification, guarantee the uniformity of thermal insulation material, help to promote the construction quality and construction efficiency of external wall thermal insulation layer.

The utility model relates to grain safety processing equipment especially based on the equipment of dynamic degradation grain vomit toxin of ozone circulation, this equipment contains vertical treatment tower (1), ozone gas device contains the middle part cloth gas pipe (17) of middle part arrangement in vertical treatment tower (1), and the middle part cloth gas pipe (17) contains ozone entrance and cloth gas pipe with hole, grain circulation flow device contains the lower screw conveyer (5) for transportation, bucket elevator (8) and upper screw conveyer (18), bucket elevator (8) is arranged in the side of vertical treatment tower (1), and upper screw conveyer (18) is located above vertical treatment tower (1), and lower screw conveyer (5) is located below vertical treatment tower (1), and lower screw conveyer (5), bucket elevator (8) and upper screw conveyer (18) and vertical treatment tower (1) are combined as a whole material conveying circulation link.

The utility model discloses a premixing device for automobile coating production, which belongs to the field of coating production and comprises a premixing tank provided with a premixing stirrer, the top of the premixing tank is respectively connected with a premixing pigment feeding pipe and a premixing filler feeding pipe, and the bottom of the premixing tank is connected with a premixing material discharging pipe. The side parts of the premixing tank are respectively connected with a premixing resin feeding pipe and a premixing solvent feeding pipe, the premixing pigment feeding pipe is connected with the first tubular screw conveyer, the premixing filler feeding pipe is connected with the second tubular screw conveyer, the top of the premixing tank is also connected with an air outlet pipe, and the air outlet pipe is connected with a vacuum pump. The premix produced by the utility model is good in uniformity.

The application discloses a built-in mobile bed desulfurization device for horizontal boiler system. The device is arranged in the high-temperature flue gas in the medium-temperature section of the boiler shell and comprises a multilayer mobile bed steel frame, more than one mobile bed insert is arranged in each layer of the mobile bed frame along the direction of the high-temperature flue gas flow, each mobile bed insert comprises a porous plate made air-permeable shell, a pneumatic conveying feeding port is arranged on the upper section of one side of the shell and is used for conveying granular desulfurizer filler into the air-permeable shell, a by-product discharging screw conveyor is arranged at the bottom of the shell, and a discharging pipe is arranged at the bottom of one side of the shell and corresponds to the by-product discharging screw conveyor. The device can be directly arranged in the horizontal boiler shell, only one set of desulfurizer storage and transportation circulating discharge system needs to be arranged outside the boiler, a desulfurization tower and a bag-type dust collector do not need to be arranged, project land occupation is greatly saved, and construction cost is low.

The utility model discloses the technical field of screw locking equipment, and particularly relates to an automatic screw locking machine which comprises a box body, a working platform penetrating through the interior of the box body, a supporting driving module moving in the Z-axis direction to fix and support a product to be machined, and an automatic screw conveyor installed on a second supporting frame of the supporting driving module and used for conveying screws in a self-inspection mode. The screw locking mechanism is mounted on the working platform, connected with the automatic screw conveyor through a conveying pipe and used for locking the screw on the product to be machined; the supporting and driving module comprises a second supporting frame installed on the working platform, a first driving and fixing structure which penetrates through the bottom end of the second supporting frame and lifts and fixes the to-be-machined product on the Z axis, and a second driving and fixing structure which is installed on the upper end face of the second supporting frame and moves in the direction opposite to the first driving and fixing structure to fasten the to-be-machined product. The device has the advantages of being high in automation degree, reasonable in product structure arrangement and convenient to replace product varieties.

This application relates to an ash collection structure for cement denitrification, belonging to the field of cement denitrification. It includes a denitrification reactor and an ash collection channel fixed to and connected to the lower end of the reactor. A screw conveyor is provided at the lower end of the ash collection channel. The screw conveyor includes a conveying pipe connected to the ash collection channel. An auger is rotatably connected inside the conveying pipe, and a drive motor for driving the auger is connected to the conveying pipe. An inclined conveying chute is fixed to and connected to the lower part of one end of the conveying pipe. A vibrating motor is fixedly connected to the outer wall of the ash collection channel. This application has the effect of thorough ash collection and reduced labor costs and labor intensity.

The application discloses a rotary furnace for source dust reduction in waste lithium battery recycling, and belongs to the technical field of lithium battery recycling. The rotary furnace for source dust reduction in waste lithium battery recycling comprises a feeding bin, a furnace body, a furnace pipe, an exhaust hopper, a screw conveyor and a cylinder body. The furnace pipe is arranged in the furnace body, the cylinder body is installed in the furnace pipe, and the cylinder body is open at the top. The conveying mechanism of the screw conveyor is installed in the cylinder body. The feeding bin is fixed above the cylinder body. The exhaust hopper is fixed on the furnace pipe and communicates with the inside of the furnace pipe. The exhaust hopper is located at the feeding end of the furnace body. The rotary furnace can simply and efficiently reduce dust in hot gas and realize black powder recycling.