135results about How to "Control the feeding amount" patented technology

The invention discloses a simultaneously-removing technology based on a semidry method, which has the following steps: (1) pretreatment for removing dust; (2) oxidation reaction between hydrogen peroxide and smoke gas: NO+H2O2=NO2+H2O, and 2NO+O2=2NO2, SO2+H2O2=SO3+H2O; (3) reaction in an absorption tower: Ca(OH)2+SO2=CaSO3.1/2H2O+1/2H2O, CaSO3.1/2H2O+1/2O2=CaSO4.1/2H2O; Ca(OH)2+H2O+NO2=Ca(NO3)2+2H2O, Ca(OH)2+2HCl=CaCl2+2H2O, and Ca(OH)2+2HF=CaF2+2H2O; (4) after the reaction, the smoke gas is discharged after dust removal. The technology has integrated design, and various pollutants, such as SO2, NOx, can be simultaneously removed in one reaction tower; the invention has the advantages of simple technology, simplified system, small area occupation and low investment and running cost; the system adopts a semidry technique, the water consumption is low, and the technology is particularly suitable for water-deficient areas; the market supply of quick lime or white lime used as system removing agents is abundant, and the removing agents are convenient to buy in local; byproducts belong to available resources; and the removing system can almost completely remove sulfur trioxide in smoke gas. Therefore, the whole device does not need corrosion prevention.

The invention relates to a calcining method for preparing aluminum-electrolytic pre-baked carbon anode petroleum coke, which is characterized in that calcination temperature is controlled at 1300-1350 DEG C; the fluctuation range of temperature is not larger than 30 DEG C; discharging amount is controlled by the volatile matter content in the petroleum coke, and the volatile matter is controlled in 10-15%; the secondary ventilation quantity of a rotary kiln is 2000-2600 m3/h, and the third ventilation quantity is 1600-2200m3/h; and negative pressure is controlled in 20- 40Pa. the invention causes a calcining process to obtain system optimization, the coke performance after calcination is greatly improved, the oxidation resistance and the electrical conductivity after calcination are significantly increased, and the true density is more than 2.05g/cm3. The produced anode quality is more uniform and stable, the ratio of first-grade products is significantly increased, and the electrolytic carbon consumption is greatly reduced.

The invention belongs to the technical field of aluminum electrolysis cells, and particularly relates to a continuous feeding device for an aluminum electrolysis cell and an electrolysis cell with the same. The continuous feeding device for the aluminum electrolysis cell is capable of improving the stability of the electrolysis cell, lowering energy consumption, reducing sediment and pressure drop at the furnace bottom and prolonging the service life of the cell. According to the technical scheme, the continuous feeding device for the aluminum electrolysis cell comprises a sleeve, a funnel and an upper delivery pipe, wherein the open end of the funnel is fixedly connected with the bottom of the sleeve; and the outlet end of the funnel is fixedly connected with one end of the upper delivery pipe. Since the funnel is arranged at the bottom of the sleeve, so that the flow velocity of fed materials can be reduced, continuous feeding is realized, and the problem caused when alumina powder which is not completely dissolved sinks into the aluminum liquid is avoided.

The invention discloses an agricultural and sideline product crushing device with a screening function, and belongs to the field of agricultural and sideline product processing. The crushing device comprises a box. A feeding hopper on the box communicates with a guide pipe through a conveying assembly. The guide pipe communicates with the box. A crushing assembly and a screen are arranged in the box. A baffle used for blocking the guide pipe is rotationally arranged below the guide pipe. The screen is arranged below the crushing assembly in a sliding manner. A sliding rod is arranged in the box in a sliding manner and is connected with the baffle through a first moving rod. A drive mechanism used for driving the sliding rod to do reciprocating longitudinal sliding and driving the crushingassembly to carry out crushing operation is further arranged on the box. The sliding rod can be driven by the drive mechanism to do reciprocating longitudinal sliding, and therefore the baffle can bedriven to intermittently block the guide pipe and drive the screen to do reciprocating up-and-down motion at the same time so as to achieve the aims of controlling the discharging quantity, improvingthe crushing effect and improving the screening effect.

The invention discloses a flocculant feeding device which includes a bin, an impeller rotor and a cooling dehumidification device, wherein a feeding hole is formed in the top of the bin; a discharge outlet is formed in the bottom of the bin; the impeller rotor is arranged in the bin, and when the impeller rotor does not rotate, the discharging outlet is blocked by the impeller rotor, and when the impeller rotor rotates, the impeller rotor drives the material to be discharged; the cooling dehumidification device is installed on the side wall, close to the feeding hole, of the bin and comprises an evaporator, a refrigeration chip and a water absorption layer. The refrigeration chip cools the air in the bin via the evaporator, and the water absorbing layer adsorbs the cooled water and discharges the water out of the bin. The flocculant feeding device has good seal performance, ensures the drying of a flocculant, reduces the agglomeration phenomenon caused by damp, can still run normally after affected with damp to further guarantee the accuracy of the dose of the flocculant, and is simple and reliable in structure.

The present invention is variable-discourse universe adaptive fuzzy control method and device for pre-roasted electrolytic aluminium production. The device includes voltage detecting unit to detect the voltage variance of electrolytic tank; upper computer to set alumina concentration and perform concentrated control of technological operation and material feeding of the electrolytic tank; electrolytic tank controlling computer to receive the set alumina concentration value from the upper computer, perform variable-discourse universe fuzzy control calculation based on the voltage variance to obtain the current alumina feeding interval time; and executing mechanism to control the alumina feeding amount based on the received alumina feeding interval time.

The invention discloses a powder material metering and conveying device of a mixing plant and a control method of the powder material metering and conveying device. The powder material metering and conveying device of the mixing plant comprises a material storage bin, a screw conveyer, a feed regulating valve, a metering hopper and a control part, wherein the screw conveyer is provided with a material inlet and a material outlet and the material inlet is connected with the material storage bin; the feed regulating valve is provided with an input end and an output end and the input end is connected with the material outlet; the metering hopper is connected with the output end; and the control part is connected with the feed regulating valve and the metering hopper and is used for receiving the metering signal of the metering hopper and controlling the feed regulating valve to adjust feed caliber. The powder material metering and conveying device of the mixing plant and the control method of the powder material metering and conveying device have the advantages that the powder materials can be rapidly conveyed, the working efficiency is high and the metering accuracy is high.

The invention relates to the technical field of corn husking equipment and discloses a feeding unit for corn huskers. The feeding unit comprises a feed bucket, a belt conveying mechanism, a frame and a reducer. A conveying trough is provided below the belt conveying mechanism and connected with a frame through a plurality of support arms. A joint of each support arm and the frame is provided with a pressure spring. The conveying trough is connected with a rocking vibrator mounted on the frame; the discharge end of the conveying trough is connected with the feed end of a chute. A small guide plate and a large guide plate both in pyramid shapes are disposed at intervals within the chute. The discharge end of the chute is connected with a main unit of the corn husker. The feeding unit has the advantages that harvested corn ears disorderly entering the feed bucket are neatly arranged with ends facing forward and enter the main unit of the corn husker one by one, the corn ears are avoided blocking an entry of the main unit, the corn ears can be completely husked in the corn husker, operating efficiency of the corn husker is improved, fewer scattered kernels are damaged, and optimal husking is achieved.

The invention discloses a pneumatic type feeder. The pneumatic type feeder comprises a pneumatic motor (5), a rotary throwing disc (6), a fodder conveying pipe (4), a fodder box (1), a distributor (2), a controller (3), a bracket (7) and a floating body (8); the floating body (8) is installed under the bracket (7) and the pneumatic motor (5) is installed above the bracket (7); the rotary throwing disc (6) is connected with the pneumatic motor (5); one end of the fodder conveying pipe (4) is connected with the pneumatic motor (5) and is communicated with the rotary throwing disc (6), and the other end of the fodder conveying pipe (4) is communicated with the distributor (2); the distributor (2) is installed on a discharge hole of the fodder box (1), the fodder box (1) is equipped with the controller (3), and the controller (3) is connected with the pneumatic motor (5) and the distributor (2). The feeder provided by the invention has the advantages of simple structure, low cost, convenience in installation, high automatic degree, manual work saving, big throwing area and high work efficiency.

The invention relates to the field of agriculture, and in particular, discloses an agricultural cereal spiral falling and drying device. The device comprises a shell, a feed hopper, a separation plateand hot air pipes; multiple horizontal stop rollers are uniformly arranged in the connected place of the bottom of the feed hopper with the shell at equal intervals; a horizontal baffle plate capableof being lifted is arranged in the feed hopper; the baffle plate is positioned above the bottom of the feed hopper; multiple stoppers are fixed on the lower surface of the baffle plate; multiple spiral runners are formed under the separation plate in the vertical direction; and the hot air pipes are arranged on the inner wall of the shell corresponding to the spiral runners. Through arrangement of the stop rollers and the stoppers at the bottom of the feed hopper, the unloading quantity can be controlled, so that cereals uniformly enter the feed hopper without blocking meshes, the load of internal equipment is reduced, and smooth falling of the cereals is guaranteed; and the cereals are fully contacted with hot air in the spiral runners for fully drying, and continuously fall down in thespiral runners for drying without needing stop for unloading.

The invention discloses a building concrete waste crushing device. The building concrete waste crushing device comprises a crushing chamber, support legs, a discharging hopper, a first jaw plate, a crushing mechanism, a discharging control mechanism and a discharging hopper. The four support legs are correspondingly and fixedly connected to the four corners of the bottom of the crushing chamber. The discharging hopper is detachably arranged on the left side of the bottom of the crushing chamber. The first jaw plate is fixedly connected to the left side of an inner cavity of the crushing chamber. The crushing mechanism is detachably arranged on the right side of the crushing chamber. The discharging control mechanism is detachably arranged on the left side of the top of the crushing chamber. The discharging hopper is detachably arranged on the top of the discharging control mechanism. By the adoption of the building concrete waste crushing device, when the waste concrete is crushed, thedischarging amount of the concrete can be controlled, the instantaneous feeding amount is prevented from being too large and exceeding the crushing load, and the service life of the device is prolonged; and in addition, the particle size of the concrete crushing can be adjusted according to the use requirements, the practicability is high, and the crushed concrete fragments can meet the use requirements of various fields.

The invention discloses a highly automated fly ash curing device. The highly automated fly ash curing device comprises a bottom plate, a quantitative discharging structure, a chelating agent mixing structure, a chelating structure, a curing structure and an unloading structure. A supporting table is arranged on the left side of the upper surface of the bottom plate, brackets are symmetrically arranged left and right in the middle of the upper surface of the bottom plate, the inner arc-shaped walls of the brackets are fixedly connected to an outer arc-shaped surface of a chelating barrel, L-shaped plates are symmetrically arranged front and back on the right side of the upper surface of the bottom plate, a metering water pump is arranged on the left side of the upper surface of the bottom plate, a water outlet in the right side surface of the metering water pump communicates to a water inlet in the lower end of the left side surface of the chelating barrel through a pipeline, and a conveying pipe is arranged at a discharge position at the lower end of the right side surface of the chelating barrel. The highly automated fly ash curing device can control the discharging amount of materials and further can overturn and chelate the internal materials, so that fly ash is cured to cement and the materials can be air-dried and cured quickly. Influence caused by vibration when equipmentoperates can be further reduced, and the stability of an integral structure is protected.

The material feeder includes hopper with supporting frame, front passage with material stop with material stopping skirt plate in the lower part, material flow regulating baffle, suspending feeding unit in the bottom of the hopper and great tilt angle corrugated baffle conveyer. The present invention solves the problem of bin pressure and the material feeder is suitable for use in coal dock or coal yard.

The invention discloses an automatic packaging device for drinks packaged in bags and formed by being mixed with water. The automatic packaging device comprises a rack, a material storage tank, a discharging mechanism, a packaging bag conveying mechanism, a bag clamping mechanism and a collection box. The discharging mechanism comprises a rotary disc, a first stepping motor and a bagging pipe. Thefirst stepping motor is fixedly mounted on the rack and can drive the rotary disc to rotate. The rotary disc is provided with multiple vertical material storage through holes. A first solenoid valveis arranged at the bottom of each material storage through hole. A discharging pipe is arranged at the bottom of the material storage tank and provided with a second solenoid valve. The rotary disc islocated below the discharging pipe, and in the rotation process of the rotary disc, the bottom of the discharging pipe can directly face all the material storage through holes. The bagging pipe is located below the rotary disc, and in the rotation process of the rotary disc, the upper end of the bagging pipe can directly face all the material storage through holes. According to the automatic packaging device, the discharging quantity is controlled by controlling the discharging time; precise metering can be guaranteed; and materials in all the packaging bags are the same in quantity.

The invention discloses a conveying device for mixed metal powder and relates to the field of 3D printing. The conveying device for the mixed metal powder comprises a first funnel and a second funnelused for containing the metal powder; the lower end of the first funnel and the lower end of the second funnel are communicated with a first feeding pipe and a second feeding pipe correspondingly; oneend of the first feeding pipe and one end of the second feeding pipe are provide with a first driving system and a second driving system correspondingly; the first feeding pipe and the second feedingpipe are internally provided with a first piston and a second piston correspondingly; the first driving system and the second driving system are connected with the first piston and the second pistoncorrespondingly; the other end of the first feeding pipe and the other end of the second feeding pipe are provided with a first discharging port and a second discharging port correspondingly; the first discharging port and the second discharging port are arranged in opposite directions, and are communicated through a powder leaking pipeline; a powder leaking mechanism is arranged at the outlet position of the powder leaking pipeline; and a plurality of grooves sunken towards the position of the circle center of a rolling wheel are circumferentially distributed in the periphery of the rolling wheel. According to the conveying device for the mixed metal powder, the powder is better saved, and stability of the whole process is guaranteed.

The invention discloses a feeding control unit which relates to a control device of aluminum powder feeding equipment in aluminum triethyl production equipment. The feeding control unit consists of a nitrogen control unit, a pressure detection unit and a vacuum control unit, wherein the nitrogen control unit consists of a first nitrogen valve unit and a second nitrogen valve unit; the first nitrogen valve unit is arranged between a nitrogen source and the nitrogen replacing tank body of the feeding device; and the second nitrogen valve is arranged between the nitrogen source and the feed delivery tank body of the feeding device. The invention can independently control different working tanks, and the two tank bodies work at the same time without interfering with each other, thereby optimizing the process and enhancing the industrial efficiency; and the invention has simpler structure, is easier for operators to master, and can effectively improve operating efficiency and equipment safety.

The invention discloses a plastic particle loading device which comprises a base, wherein a top seat is arranged at the top end of the base and is connected with the base through a support bar; an adding hopper is inlaid in the center position of the bottom end of the top seat; a connecting cylinder is fixedly mounted at the bottom end of the adding hopper; an inner cavity of the connecting cylinder is provided with a blocking plate; the blocking plate is connected with the connecting cylinder through a rotating shaft; the rotating shaft penetrates through an outer wall on the right side of the connecting cylinder; a rotating handle is fixedly mounted at the right end of the rotating shaft; a partition plate is fixedly mounted on the left side of the blocking plate; shaft sleeves are arranged at a joint of the rotating shaft and the connecting cylinder, and a joint of the rotating shaft and the partition plate; a gear is fixedly mounted on the outer wall at the left end of the rotating shaft; a blanking control device is fixedly mounted on the left side of the top end of the inner cavity of the connecting cylinder and comprises a housing. The plastic particle loading device avoids continuous operation of an operator and provides great convenience for the operator, through the coordination of the blocking plate, the rotating shaft, the gear and the blanking control device.

The invention relates to civil defense equipment, and particularly relates to a filling device for an activated carbon plate in a filtering and absorption device. The filling device for the activated carbon plate in the filtering and absorption device comprises a material storage tank (110), a hopper (150), a support frame (160) and a vibration table (170), wherein a feeding pipeline (120) is arranged between the material storage tank (110) and the hopper (150); the hopper (150) is arranged on the support frame (160) in a height adjustable manner; the support frame (160) is arranged on the vibration table (170), and is provided with clamping mechanisms (161); a to-be-filled activated carbon plate is arranged between the vibration table (170) and the hopper (150) and can be clamped by the clamping mechanisms (161). According to the filling device, activated carbon particles and dust are reduced, and the to-be-filled activated carbon plate can be filled with the activated carbon particles in a compact and uniform distribution manner.

The invention relates to the field of animal husbandry, in particular to an efficient disinfectant preparation device for animal husbandry, which comprises a shell, a mixing box is arranged on the inner side of the shell, a supporting mechanism is arranged between the mixing box and the shell, a discharging mechanism is arranged on the upper side of the mixing box, and a water injection mechanismis arranged on the left side of the discharging mechanism. The motor can drive the outer rod to rotate through the inner rod, the outer rod drives the stirring rod to rotate so that deionized water and a medicament can be fully mixed, the inner rod can drive the outer rod to rotate at the same time, the outer rod drives the cam to rotate so as to push the movable plate to rotate, and the mixing box moves up and down repeatedly under the action of the movable plate and the first spring. By arranging the water injection mechanism, the volume of the deionized water can be accurately controlled, and by arranging the discharging mechanism, the discharging amount of the medicament can be accurately controlled, so that the concentration accuracy of the finally prepared disinfectant is high.