78 results about "Elephant trunks" patented technology

The utility model discloses a prefabricated elephant trunk capable of being fixedly connected and installed, which belongs to the technical field of prefabricated elephant trunks and comprises a first elephant trunk, one end of the first elephant trunk is in lap joint with a second elephant trunk, a fixing plate is arranged on the side face of the first elephant trunk, and two fixing blocks are arranged on the side face of the fixing plate. According to the prefabricated elephant trunk capable of being fixedly connected and installed, the clamping plate, the clamping groove, the limiting rod, the ratchet wheel, the guide groove and the guide block are arranged, and under the mutual cooperation of the clamping plate, the clamping groove, the limiting rod, the ratchet wheel, the guide groove and the guide block, the situation that two prefabricated elephant trunks are fixedly connected through a plurality of flanges arranged between the two prefabricated elephant trunks is further avoided; meanwhile, only by controlling the pull rod to drive the limiting rod to be separated from or make contact with the limiting groove, the clamping plate and the clamping groove can be disassembled and fixed, the first elephant trunk and the second elephant trunk can be disassembled and assembled rapidly, and therefore the first elephant trunk and the second elephant trunk can be assembled and disassembled more conveniently and rapidly.

The invention provides a grab bucket composite anti-swing control system based on angle feedback of a steel wire rope at the head of a trunk beam and a control method of the grab bucket composite anti-swing control system, and relates to the technical field of portal crane grab bucket anti-swing. The core problems of response lag, control strategy solidification and poor working condition adaptability of the open-loop anti-swing system are systematically solved. And on the basis of a closed-loop control strategy of swing angle prediction and multi-cycle compensation, the response delay of a traditional open-loop system is reduced, the swing trend is inhibited in advance through a feedforward prediction instruction, and the swing attenuation time of the grab bucket is reduced. Through cooperative compensation of the swing angle and the speed, the portal crane boom and the grab bucket are kept dynamically synchronous all the time, the repeated positioning precision is improved, the fineness of manual operation is matched, and meanwhile manual operation errors are avoided. Through a parameter self-adaption mechanism and a swing angle elimination frequency prediction function, the system can automatically adapt to various complex working conditions, the stable anti-swing effect can be kept without manually adjusting parameters, and the optimal balance of the portal crane between efficient operation and safety control is achieved.

The invention discloses an elephant trunk blockage dredging tool, which relates to the technical field of blockage dredging and comprises a spherical shell, an annular groove, a hard rubber plate, spikes and a movable cover. The spherical shell is arranged, the hard rubber plates are arranged on the outer side of the spherical shell, the spines are arranged on the outer sides of the hard rubber plates, the end cover is arranged at the top end of the spherical shell, and the traction chain is arranged above the end cover, so that when the elephant trunk is dredged, the traction chain can be fixed to one end of the elephant trunk; the spherical shell and the hard rubber plate can stay in the elephant trunk under the action of the traction chain, the hard rubber plate can collide with materials through spines on the outer side of the hard rubber plate, the blocked materials are scattered through collision, the elephant trunk dredging effect is achieved, and compared with elephant trunk dredging in a water flushing mode in the prior art, the dredging efficiency is greatly improved. According to the technical scheme, the influence on materials is small, and dredging can be conducted in the material conveying process.

The utility model belongs to metal wire production equipment technical field, concretely relates to a metal wire production is with fine extraction machine of protective structure, including fine extraction machine body, the fine extraction machine body front end surface middle part position department is equipped with elephant trunk winding drum. The utility model discloses through the mutual cooperation of mounting frame, hinge, baffle, positioning block, movable plug rod, vertical block, moving block and push rod, through the push rod, can let push rod drive moving block connected movable plug rod extrude the spring in vertical block, make movable plug rod one end separate out positioning groove, when through the hinge rotation baffle, let the positioning block of baffle slide into the positioning groove, then loosen the push rod, and the spring will through the elastic push movable plug rod and insert into the insertion hole on the positioning block, make the positioning block with baffle fixed on mounting frame, when baffle can cover the air hole on the side plate and carry out the sheltered protection, prevent fine extraction machine body not to use when the sundries in environment easy to pass through the air hole and enter the inside and accumulate.

The utility model provides an automatic cleaning device for sticking substances in a feeding articulated chute of a vertical grinder, which is arranged on the side wall of the feeding articulated chute of the vertical grinder and comprises a vibrating anvil, a vibrating rod, a hammer type vibrating machine and a mounting base, the vibrating anvil is mounted on the outer wall of an easy-to-block part in the feeding articulated chute, and the vibrating rod is mounted on the mounting base. One end of the rapping rod penetrates through the wall body of the vertical grinder and then is in contact with the rapping anvil, the other end of the rapping rod is arranged in the hammer type rapping machine and is in contact with the rapping hammer, the hammer type rapping machine is arranged on the mounting base, and the mounting base is arranged on one side of the vertical grinder. The vertical grinding machine is simple in structure and can adapt to different field production environments, exciting force generated by the hammer type vibrating machine is transmitted to the vibrating anvil to scatter sticking substances in the feeding elephant trunk, damage to the vertical grinding machine is reduced, meanwhile, the magnitude of the exciting force is convenient to adjust, the vertical grinding machine can adapt to different devices, and labor cost is greatly reduced.

The invention discloses a feeding elephant trunk control method which comprises the following steps: controlling first nitrogen sealing equipment, second nitrogen sealing equipment and third nitrogen sealing equipment to start running in response to a scrap steel adding trigger signal when a converter enters a scrap steel adding stage, so as to carry out nitrogen sealing operation on a feeding elephant trunk; controlling the second nitrogen sealing equipment and the third nitrogen sealing equipment to stop running in response to a blowing completion trigger signal in a blowing completion stage of the converter; and under the condition that the generation of the blowing completion trigger signal reaches a preset duration, the first nitrogen sealing equipment is controlled to stop running. Therefore, according to the embodiment of the invention, the low-pressure nitrogen consumption of the converter is reduced on the premise of ensuring the nitrogen sealing effect of the feeding chute, the nitrogen consumption is accurately controlled in each stage of converter smelting, the better sealing effect of the feeding chute is realized by using nitrogen as little as possible, the contents of flue gas, smoke dust, coal gas and the like leaked into the stock bin in the converter are reduced, and the service life of the converter is prolonged. And the gas production is improved.

The invention discloses an anti-blocking method, device and equipment for a fly ash conveying slope elephant trunk and a storage medium. According to the method, a vibrator is installed on the slope elephant trunk, and a gravity sensor is installed on each loading bucket of a bucket elevator so as to detect loading ash weight data after the loading buckets move to an ash loading position; the anti-blocking control module drives the vibrator to vibrate the pipe wall of the slope elephant trunk based on the ash loading weight data measured by the gravity sensors when a plurality of continuous ash loading weight data smaller than an ash loading weight threshold value exist. Therefore, due to the fact that the hopper of the bucket elevator is continuously loaded with ash at the output end of the slope articulated chute, when no fly ash is output at the output end of the slope articulated chute, it can be monitored that the weight of the hopper of the bucket elevator is abnormally low, and after a plurality of continuous abnormally-low weights of the hopper are monitored, it can be confirmed that the slope articulated chute is blocked by the fly ash; and therefore, the slope chute is dredged, smooth and safe operation of the system is guaranteed, and the production continuity is guaranteed.

The utility model belongs to the technical field of illumination, and particularly relates to a trunk lamp capable of vertically swinging by 90 degrees through silica gel friction. The lower end of the inner side of the radiator is rotationally connected with the middle ring through a rotating shaft, the inner arc surface of the middle ring and the outer arc surface of the radiator are concentrically distributed, the silica gel is installed within the outline range of the inner arc surface of the middle ring, and the silica gel is used for being in relative friction with the outer arc surface of the radiator. The lower end of the inner side of the radiator is rotationally connected with the middle ring through the rotating shaft, the inner arc face of the middle ring and the outer arc face of the radiator are concentrically distributed, and the outer arc face of the radiator can coaxially rotate relative to the inner arc face of the middle ring in the process that the radiator rotates relative to the middle ring. Therefore, the silica gel is arranged in the outline range of the inner arc surface of the middle ring, and the outer arc surface of the radiator is relatively rubbed with the silica gel, so that the damping sense is favorably increased, and the radiator can be prevented from being directly rubbed with the middle ring, so that the abrasion of the radiator and the middle ring can be reduced, and the normal use of the trunk lamp is ensured.

The application relates to an elephant trunk continuous body mechanical arm which comprises a mounting base plate, a control device and bellows, the bellows are arranged in a plurality of arrays around the center circumference of the mounting base plate, form a driving section, any bellows is provided with an air pressure control assembly for controlling the air pressure in the bellows, a first positioning adjusting assembly for controlling the spacing between the bellows is arranged between the mounting base plate and one end of the plurality of bellows close to the mounting base plate, a plurality of driving sections are sequentially arranged along the array axis of the bellows, a second positioning adjusting assembly is further arranged between any two adjacent driving sections, an execution assembly is arranged at the end of the last driving section away from the mounting base plate, and a third positioning adjusting assembly is further arranged between the last driving section and the execution assembly; and the application further relates to a driving control method of the elephant trunk continuous body mechanical arm. The application has the effects of reducing local deviation and structural interference, improving bending continuity, posture stability and end execution precision.

The invention discloses an efficient wet sticky material distributing device which comprises a feeding articulated chute and a movable reversible belt conveyor, a first discharging port and a second discharging port are formed in the movable reversible belt conveyor, the right side end of the second discharging port is connected with a middle transition articulated chute, and a rail is arranged at the bottom end of the movable reversible belt conveyor. A left end physical limiting block and a right end physical limiting block are arranged at the left end and the right end of the track respectively, and a first material receiving elephant trunk, a third material receiving elephant trunk and a second material receiving elephant trunk are arranged below the movable reversible belt conveyor. According to the device, wet sticky materials falling into the movable reversible belt conveyor from the feeding chute can vertically fall into the first receiving chute and the second receiving chute from the first discharging port and the second discharging port in the two ends of the movable reversible belt conveyor; and the wet and sticky materials in the feeding articulated chute can directly and vertically fall into the third receiving articulated chute through the middle transition articulated chute, so that efficient distribution of the wet and sticky materials is successfully realized, blockage of the wet and sticky materials is avoided, and stable production is guaranteed.

1. The name of this design product: zipper pull (6 series of elephant trunk pulls). 2. Purpose of this design product: zipper pull for zipper. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design.

The present application relates to the technical field of plant sample collection equipment, and particularly relates to a plant sample collection device based on an elephant trunk bionic structure; the structure is more flexible, can adapt to complex vegetation environment, and reduces the sample damage accident rate in the sample collection process; the plant sample collection device comprises multiple installation discs, multiple universal inertia connecting pieces, an adjusting driving piece for angle adjustment between two adjacent installation discs and a mechanical hand, the multiple installation discs are sequentially connected through the multiple universal inertia connecting pieces, the universal inertia connecting piece comprises a mounting seat, a ball body rotatably mounted in the mounting seat and an inertia adjusting piece, the inertia adjusting piece comprises a semi-annular frame rotatably mounted in the mounting seat, a sliding seat and a driving rod, the semi-annular frame is provided with a sliding hole, both ends of the sliding seat are provided with sliding rods, the sliding rods are slidingly installed in the sliding hole, a first spring is sleeved on the sliding rod, and a torsional spring is installed between the semi-annular frame and the mounting seat; the adjusting driving piece comprises multiple permanent magnets and multiple electromagnets.

The utility model discloses a long -type structure for cultural travel large -scale bionics beast, including head steel structure, nose main part steel structure part and nose head steel structure part, nose main part steel structure part includes the N motion joint that connects in proper order, and each motion joint includes deflector, pitch, deflection driver and pitch driver, and deflector is connected with the rotation of pitch, and deflection driver drives deflector to deflect motion relative to pitch, the pitch of N motion joint is connected with the deflector of N 1 motion joint, and the pitch driver of N motion joint drives the pitch to deflect motion relative to the deflector of N 1 motion joint. The utility model discloses through setting N motion joint realizes the action simulation of multiple degrees of freedom, has realized the swing of up and down and left and right and the rolling in the space different direction, has reached the excellent bionic effect and the high authenticity, can use to bionics elephant trunk to carry out the high -quality performance to satisfy the demand of cultural travel market.

The utility model relates to the technical field of fluidized beds, and particularly discloses a feeding system of a high-pressure fluidized bed, which comprises a first-stage stock bin, a feeder with a weighing function, a second-stage stock bin, a material conveying elephant trunk and a gas pressure supplementing system communicated with the material conveying elephant trunk and used for supplementing pressure to the material conveying elephant trunk, the output end of the material conveying elephant trunk is connected with the fluidized bed; a first gate valve is arranged on an outlet of the first-stage stock bin; a first-stage rotary valve matched with the first gate valve for use is arranged at an inlet of the feeder; and a second-stage rotary valve connected with an outlet of the second-stage stock bin is arranged at an inlet of the material conveying articulated chute. Gas sealing and feeding amount control are achieved through cooperation of the first-stage rotary valve and the second-stage rotary valve, gas is introduced into the material conveying elephant trunk through the gas pressure supplementing system for pressure supplementing, high-temperature flue gas in the fluidized bed is prevented from flowing backwards, material conveying is assisted, and finally continuous automatic feeding is achieved.

The invention discloses a variable pesticide application control system and method based on an improved beetle antennae algorithm for optimizing fuzzy PID (Proportion Integration Differentiation). According to the system, the error between the actual flow and the theoretical flow of the corn and soybean nozzles and the error change rate are obtained to serve as fuzzy PID input, PID parameter correction values are obtained through quantization factor mapping, membership function division and fuzzy rule table reasoning, dynamic adjustment of controller parameters is achieved through scaling factor mapping, and therefore the nozzle flow is accurately adjusted. In order to overcome the defects that traditional fuzzy PID parameters are difficult to set and an optimization algorithm is prone to falling into local optimum, the invention provides an improved beetle antennae optimization method which comprises the steps that Logistic chaos initialization, dynamic step size attenuation, guide direction disturbance and a simulated annealing mechanism are introduced, a multi-index weighted fitness function of a root-mean-square error, overshoot and response time is combined, and the optimal parameter of beetle antennae is obtained. And realizing global optimization. According to the method, the response speed, the control precision and the robustness of the variable pesticide application system are effectively improved.

The application discloses an elephant trunk robot and relates to the technical field of robots, which comprises a base and an elephant trunk body, one end of the elephant trunk body is connected with the base, and the other end is connected with an executing mechanism; the elephant trunk body comprises a main beam with a bending self-recovery function and a plurality of partitions, the plurality of partitions are coaxially arranged at intervals along the extension direction of the elephant trunk body and have diameters decreasing in sequence; a plurality of pneumatic springs are uniformly distributed in the circumferential direction between adjacent partitions; the main beam coaxially penetrates through the plurality of partitions and is connected with the plurality of partitions; the application adopts the pneumatic springs as the executing elements of the bending action joints, has simple structure, light weight, good weather resistance, convenient combination and replacement, lower manufacturing cost and can be manufactured in large quantities; in the natural state, the main beam is used for the shape of the elephant trunk body, and in the working process, the main beam is used for limiting the bending angle of the action joints, so that the service life of the joints is not affected by excessive bending.

1. Name of the design product: Elephant trunk lamp body. 2. Use of the design product: Lighting. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view 1.

The utility model relates to the technical field of passivated lime production, and particularly discloses a passivator blowing device for passivated lime powder production. Comprising an elephant trunk arranged between upper lime feeding equipment and lower lime grinding equipment, atomizing nozzles uniformly distributed on the periphery of the elephant trunk in the circumferential direction, a passivating agent supply assembly communicated with the atomizing nozzles and used for supplying a passivating agent to the atomizing nozzles, and a blanking assembly arranged at the top of the inner side of the elephant trunk and used for intermittently controlling lime blanking, the lime passivator injection device solves the problems that a traditional lime passivator injection device cannot control the falling amount of lime, and part of lime does not wrap a passivator or wraps too much passivator in the injection process.

The invention belongs to the technical field of material transportation equipment, and particularly relates to a device for preventing materials from being stacked in the continuous discharging process. The device comprises a plurality of storage bins which are arranged in parallel and are used for storing delivered materials; the discharging elephant trunk can move in the arrangement direction of the storage bins and is arranged to guide materials into the storage bins; the sub-packaging units are arranged at the positions, close to each other, of the upper ends of the two adjacent storage bins, are located under the moving path of the discharging elephant trunk and are arranged to prevent materials from being stacked between the two adjacent storage bins; and the plurality of control units are correspondingly and electrically connected with each sub-packaging unit and are arranged to control the start, stop and action of the sub-packaging units. The problems that due to material accumulation, the discharging efficiency is reduced, objects fall from high altitudes easily, the labor intensity of workers is increased, the production process is affected, and safe and environment-friendly production and effective operation cannot be guaranteed are solved.

The utility model provides a disc system which comprises a disc, a feeding elephant trunk, a feeding conveying mechanism, a material distributing mechanism and a rotating driving mechanism, the disc is arranged in a non-rotating mode, the feeding elephant trunk is arranged above the disc in a non-rotating mode and located on the radial inner side of the disc, the feeding conveying mechanism is located between the feeding elephant trunk and the disc, and the material distributing mechanism is located between the feeding elephant trunk and the disc. The rotary driving mechanism is used for receiving materials falling from the feeding articulated chute and conveying the materials to a discharging opening of the feeding conveying mechanism in the circumferential direction so that the materials can fall onto the disc through the discharging opening, and the rotary driving mechanism is in driving connection with the feeding conveying mechanism and the material distributing mechanism and drives the feeding conveying mechanism and the material distributing mechanism to synchronously rotate around the center of the disc; the material falling opening and the material distributing mechanism are kept relatively static in the circumferential direction, and the material distributing mechanism paves materials falling onto the disc from the material falling opening to the disc in the process of rotating around the center of the disc. In this way, the inner side feeding mode can be achieved under the condition that the disc and the feeding articulated chute do not rotate.

A seabed stone laying and ramming operation engineering ship is characterized in that a stone storage yard is arranged in the center of a main deck of the engineering ship, a stone commissioning vehicle is located in the stone storage yard, the two sides of the stone storage yard are each provided with an elephant trunk stone laying device and a vibration ramming device, and the elephant trunk stone laying devices and the vibration ramming devices are located on the broadside of the engineering ship; an articulated chute of the articulated chute stone paving equipment extends downwards to the seabed, a vibrating bar of the vibrating ramming equipment extends downwards to the seabed, and a distance exists between the articulated chute stone paving equipment and the vibrating ramming equipment. Three full-revolving propellers are arranged on the stern of the engineering ship side by side, and two side thrusters and a control device are arranged on the bow of the engineering ship. The engineering ship travels at a constant speed and performs stone paving and ramming operation at the same time, the operation needs to be stopped only when all stones in a stone storage yard are used up, the continuous operation of offshore stone paving and ramming is truly achieved, and the operation efficiency is greatly improved.

The invention discloses a swing distributing device based on numerical simulation and a distributing method thereof, and particularly relates to the technical field of grinding, and the motion control method of the swing distributing device is obtained through calculation of a simulation model of an integral elephant trunk; according to the simulation model, firstly, a geometric model of the elephant trunk is established through three-dimensional software, and then analog simulation of material flow in the elephant trunk is achieved through discrete element software; the simulation model can obtain an index of V-choice material distribution uniformity. According to the material distribution method, in a grinding system, the material quantity of each strand of materials discharged from the distributor and the uniformity of the particle fineness can be ensured no matter how the material feeding condition of the distributor is; according to the V-sorting device, the uniformity of V-sorting material distribution can be effectively improved, the sorting effect of V-sorting is optimized, the work of a roller press is improved, and air used by a sorting system can be further reduced on the premise that the sorting effect is guaranteed; therefore, by adopting the method, the stability and economical efficiency of the grinding system can be improved.

The utility model relates to the technical field of civil construction, and provides an adjustable anti-segregation elephant trunk for an ultra-deep vertical shaft, the adjustable anti-segregation elephant trunk comprises an elephant trunk body, a hopper and a plurality of buffer parts, the elephant trunk body is vertically mounted on the side wall of the vertical shaft, the hopper is mounted at the upper end of the elephant trunk body, and all the buffer parts are arranged in the elephant trunk body and are arranged at intervals in the length direction of the elephant trunk body. According to the adjustable anti-segregation elephant trunk for the ultra-deep vertical shaft, the segregation phenomenon of concrete in the elephant trunk transportation process is reduced.

The utility model provides a kneading machine capable of preventing paste adhesion of a blanking articulated chute, which comprises an articulated chute body, a liquid spraying module, a liquid storage and circulation module, a control module and a monitoring module, and liquid is sprayed to form a liquid film on the inner wall of the articulated chute, so that adhesion of high-temperature viscous materials is prevented, and online automatic cleaning is realized. The device has the advantages of being high in cleaning efficiency, stable in operation, safe, environmentally friendly and the like, and is suitable for cleaning the discharging elephant trunk of industrial equipment such as a kneading machine.

1. The name of this design product: Scissors (elephant trunk). 2. Purpose of this design product: used as scissors. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of blanking equipment, in particular to a feeding structure of a bucket elevator, which comprises an articulated chute (1), and two ends of the articulated chute (1) are respectively connected with a stock bin (2) and the bucket elevator (3). A flow control structure and a dredging structure are respectively arranged on the elephant trunk (1); the problems of material leakage and ash spraying are effectively solved through the articulated chute, the sanitary condition of a production site can be guaranteed, and 6S management is facilitated; meanwhile, the elephant trunk is integrally connected with the stock bin and the bucket elevator, flexible connection is replaced, the abraded flexible connection does not need to be replaced and maintained, the maintenance cost is effectively saved, and the labor intensity of workers is reduced; the flow control structure can control the pipe diameter passing through the interior of the elephant trunk; a worker can reasonably adjust the size of the pipe diameter of the material according to the humidity and granularity of the material falling into the stock bin, so that the flow of the material is accurately controlled, and the discharging speed of the material is stable.

The invention discloses a forked blanking hopper turning plate, and belongs to the technical field of ore production. The device comprises a three-way elephant trunk, a first discharging plate is fixedly connected to the inner side wall of the three-way elephant trunk, a dredging assembly is fixedly installed at the bottom end of the first discharging plate, and scraping assemblies are installed on the side wall of the first discharging plate and the side wall of a second discharging plate. The mounting plate is pushed to be far away from the first blanking plate by utilizing generated magnetic repulsive force, then the electromagnet is powered off, the electromagnet loses magnetism and contracts under the elastic action of the first spring to pull the mounting plate to perform reset movement, so that the bottom end of the first blanking plate is impacted by the impact block, and the steps are continuously repeated; the first blanking plate and surrounding ore are vibrated through the vibration of the first blanking plate, and the downward flowing of the ore is accelerated under the gravity action of the ore, so that the blanking is accelerated, the occurrence of ore blockage is effectively relieved, and the ore blanking efficiency is improved.

The utility model discloses an airtight joint pipe of a grain feeding elephant trunk of a granary, which relates to the technical field of grain feeding elephant trunks, is arranged at the bottom end of the grain feeding elephant trunk and comprises a joint pipe, a flange I is arranged at the bottom of the grain feeding elephant trunk, a mounting hole I is formed in the periphery of the flange I, a containing groove I is formed in the bottom of the flange I, and a containing cavity is formed in the joint pipe. A second flange is arranged on the upper portion of the section pipe, a second containing groove is correspondingly formed in the upper portion of the second flange, second mounting holes are correspondingly formed in the periphery of the second flange, the outer side of the upper portion of the section pipe is sleeved with a sealing gasket, and the sealing gasket is located in the first containing groove and the second containing groove. The device is installed at the bottom end of the grain feeding articulated chute, not only can the sealing performance be ensured, but also condensed water of the bang of the grain feeding articulated chute can be received, installation is convenient, and applicability is high.

1. Name of the product under this design: Handicraft (double-layered wine jar with elephant trunk and ring in hand and glazed banana leaf pattern). 2. Purpose of this design product: used for handicraft ornaments. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to the technical field of material separation, and particularly discloses a non-leakage material separation device capable of accurately removing iron and a control method. Comprising an iron removal assembly, a material storage tank which is mounted at the bottom of the iron removal assembly and communicates with the iron removal assembly, a material separation assembly mounted at the bottom of the material storage tank, and a chute assembly arranged between the material storage tank and the material separation assembly; the elephant trunk assembly comprises an elephant trunk, a first gate valve arranged between the elephant trunk and the bottom of the storage tank, and a second gate valve arranged between the elephant trunk and the material separation assembly. Through cooperative use of the iron removal assembly and the material separation assembly, two times of separation of iron impurities can be effectively achieved; functional defects of a conventional pipeline iron remover are thoroughly overcome, dust environmental pollution of a workshop is reduced, the labor intensity of workers is reduced, and the functions of no material leakage, no dust emission and accurate iron removal are achieved. The device is simple in structure and high in practicability.