568 results about "Feed tank" patented technology

Fuel thermal management systems and related methods are disclosed. An example system includes a flowline to carry a fluid, a waste heat recovery heat exchanger coupled to the flowline, the waste heat recovery heat exchanger to heat the fluid to a first temperature, and a feed tank coupled to the flowline, the feed tank including a first inlet and a second inlet, the first inlet to receive a first portion of the fluid from the waste heat recovery heat exchanger at the first temperature, the second inlet to receive a second portion of the fluid at a second temperature less than the first temperature, wherein the first portion of the fluid and the second portion of the fluid mixes in the feed tank to form a third portion having a third temperature between the first temperature and the second temperature.

The invention discloses proportioning and feeding equipment for preparing a polycarboxylate superplasticizer and a feeding method of the proportioning and feeding equipment, and relates to the technical field of polycarboxylate superplasticizer preparation, the proportioning and feeding equipment comprises a feeding tank body and a bearing bracket fixedly mounted below the outer part of the feeding tank body; a proportioning mechanism is arranged at the upper part in the feeding tank body, and the proportioning mechanism comprises a proportioning chassis; wherein the proportioning partition plates are distributed in an equal-angle manner; a feeding mechanism is arranged at the bottom of the proportioning chassis, the feeding mechanism comprises a feeding shaft barrel, and a telescopic sliding rod is arranged on the outer side of the bottom end of the feeding shaft barrel. According to the proportioning and feeding equipment for preparing the polycarboxylate superplasticizer and the feeding method of the proportioning and feeding equipment, various raw materials are stored through the areas separated by the proportioning partition plates in the feeding tank body, so that proportioning and feeding are performed under various requirements, and meanwhile, the mixing branches below the feeding tank body and the inclined scraping plates assist proportioning and mixing of the various raw materials; the preparation efficiency of the polycarboxylate superplasticizer is improved.

The invention discloses an automatic packaging machine for tea finished products, which relates to the technical field of automatic packaging equipment, and comprises a support, a feeding box, a discharging box and a packaging box, the screening net plate is arranged in the feeding box; the driving assembly is arranged on one side of the upper end of the support, when the driving assembly drives the feeding box to reciprocate up and down, the screening net plate in the feeding box shakes and screens finished tea leaves, and meanwhile, the air inlet assembly on the side portion of the feeding box continuously feeds air and provides air pressure thrust for the overturning assembly connected with the screening net plate; after the shaken and sieved tea leaves are shaken out, an exhaust assembly connected with an overturning assembly is triggered, and after exhaust is completed, the screening net plate is driven by the overturning assembly to reset; according to the equipment, integrated continuous operation of tea screening and packaging is achieved, the cleanliness and the high-quality rate of tea finished products are remarkably improved, the equipment structure is simplified, and the operation complexity and the maintenance cost are reduced.

Fuel thermal management systems and related methods are disclosed. An example system includes a flowline to carry a fluid, a waste heat recovery heat exchanger coupled to the flowline, the waste heat recovery heat exchanger to heat the fluid to a first temperature, and a feed tank coupled to the flowline, the feed tank including a first inlet and a second inlet, the first inlet to receive a first portion of the fluid from the waste heat recovery heat exchanger at the first temperature, the second inlet to receive a second portion of the fluid at a second temperature less than the first temperature, wherein the first portion of the fluid and the second portion of the fluid mixes in the feed tank to form a third portion having a third temperature between the first temperature and the second temperature.

The invention provides a complete parallel flow electrolysis device and method.The device comprises a liquid feeding tank, multiple electrolytic tanks and a liquid return tank which are sequentially arranged, a plurality of first through holes are formed in the side, close to the electrolytic tanks, of the liquid feeding tank, and the multiple electrolytic tanks are sequentially arranged; a plurality of second through holes and a plurality of third through holes are formed in the two sides of each electrolytic cell respectively, a plurality of fourth through holes are formed in the side, close to the electrolytic cells, of the liquid return tank, the first through hole of the liquid supply tank corresponds to the second through hole of the first electrolytic cell, and the second through holes and the third through holes of the adjacent electrolytic cells correspond to one another. And the third through hole of the last electrolytic tank corresponds to the fourth through hole of the liquid return tank. According to the complete parallel flow electrolysis device, parallel and uniform flow of the electrolyte between the polar plates in the electrolysis device is achieved, and the complete parallel flow electrolysis device can be used for electrolysis of metals such as copper, lead, zinc, nickel and manganese.

The invention provides a bulk feed transport vehicle with an environment-friendly dust removal function, and belongs to the technical field of dust removal and filtration. Comprising a vehicle body, a feed tank is installed at the top of the vehicle body, a conveyor is installed on the feed tank, the conveyor is used for outputting feed in the feed tank, the dust removal mechanism comprises a round seat installed at a discharge port of the conveyor, the bottom of the round seat is communicated with a pipe fitting, and a rotating assembly is arranged on the surface of the round seat; the rotating assembly is used for driving the pipe fitting to be bent. By arranging the dust removal mechanism and the pipe fitting, the distance between the discharging port and the feeding port of the storage tank can be reduced, in the feeding process, the pipe fitting can reduce the contact area of feed and air, and therefore small particles are prevented from drifting in the air, environment protection is achieved, and if a small amount of feed drifts upwards, the feed can be discharged out of the storage tank through the pipe fitting. And drifting particles can be captured through the suction filtering assembly, small particles are prevented from drifting in the air again, and environment protection is further improved.

The utility model relates to the technical field of vinyl chloride polymerization production, in particular to a safe feeding device of a solid-liquid-gas three-phase reaction kettle. The safe feeding device of the solid-liquid-gas three-phase reaction kettle comprises a reaction kettle and a pressure stabilizer, the pressure stabilizer is connected with a desulfurization tower through a deoxidation adsorption tower, the desulfurization tower is connected with the reaction kettle through a pre-heater, the reaction kettle is connected with a feeding tank, a temperature control coil pipe is arranged in the reaction kettle and connected with a refrigerating machine through a pipeline, and the refrigerating machine is connected with the deoxidation adsorption tower through a pipeline. And a pre-heating device coil pipe is arranged in the pre-heating device. According to the device, through the cooperative use of the heating sleeve, the connecting pipeline and the pre-heating device coil pipe, the waste heat of the reaction kettle is used for pre-heating a gas-phase raw material, so that the feeding temperature is ensured to reach a proper range, and the influence on the temperature in the reaction kettle due to the too low feeding temperature is avoided, thereby ensuring that a polymerization reaction can be carried out under a stable temperature condition; and the stability of product quality is improved.

The utility model provides a high-temperature steam sterilization one-piece tank, and relates to the field of medical waste treatment. The problems that an existing medical waste treatment device is high in energy consumption, low in efficiency, complex in operation and large in influence on the environment are solved. The high-temperature steam sterilization conjoined tank comprises a sterilization tank; the steam generating device is arranged below the sterilization tank and is communicated with the sterilization tank; the transfer tank is arranged above the sterilization tank and is communicated with the sterilization tank; the feeding tank is arranged above the transfer tank and is communicated with the transfer tank; a mounting plate is arranged on one side of the transfer tank, a mounting hole communicated with the interior of the transfer tank is formed in the mounting plate, one end of a crushing cutter penetrates through the mounting hole to be arranged in the transfer tank, and the other end of the crushing cutter is fixedly connected with the mounting plate. According to the scheme of the utility model, the rapid treatment of the medical wastes is realized, the treatment efficiency of the medical wastes is improved, and meanwhile, the device has the advantages of small volume, low energy consumption, simplicity in operation and no pollution.

The utility model discloses a liquid material quantitative feeding device, belongs to the technical field of feeding devices, and solves the problems that liquid materials in a feeding tank are not stirred and the mixing effect of the liquid materials is poor. The liquid material quantitative feeding device comprises a pot cover, a pot body, a first storage tank and a second storage tank, the top of the first storage tank and the top of the second storage tank are provided with a first feeding pipe and a second feeding pipe respectively, and the bottom of the first storage tank and the bottom of the second storage tank are provided with a first conveying pipe and a second conveying pipe respectively. The other end of the first conveying pipe and the other end of the second conveying pipe are both connected with the pot cover, the pot cover is detachably installed on the pot body, an air cylinder is arranged above the pot cover, a telescopic rod of the air cylinder is connected with the top of the pot cover, and a driving motor is further arranged at the top of the pot cover. According to the quantitative feeding device for the liquid materials, the liquid materials are mixed before entering the pot body, so that the mixing effect of the liquid materials is improved.

The utility model belongs to the field of spice extraction, especially a kind of continuous countercurrent extraction device of natural spice extraction, in view of the low solid-liquid mixing efficiency in the prior art, and volatile component serious problem of dispersing, present and propose the following scheme, it includes herringbone's extraction pipe, the bottom fixed sleeve of extraction pipe is equipped with condenser pipe, one end of extraction pipe is fixedly connected with the feeding tank of intercommunication, the other end of extraction pipe is fixedly connected with the outlet slag pipe of intercommunication, the lower fixed mounting of outlet slag pipe is equipped with collection tank, in the utility model, through motor drive gear rack meshing, reciprocating movement is promoted piston, dynamic extrusion is carried out to spice, so that the particle size of spice is less than 2mm, prevent the non-uniformity of particle size during transfer and produce accumulation, improve solid-liquid mixing efficiency, furthermore, through the cooling water of 15-25 ℃ from condenser pipe circulation, through pipe wall exchange heat, maintain the temperature constant in extraction pipe, prevent heat-sensitive component volatilization.

The utility model discloses a tailing fiber recycling device for a deslagging section. The tailing fiber recycling device comprises a feeding tank, a first multi-section deslagging device, a transverse deslagging device, a second multi-section deslagging device, a white water tank, a slag tank and an accepted pulp tank, a feeding hole of the first multi-section slag separator is communicated with the discharging end of the feeding tank, and a slag outlet in the bottom of the first multi-section slag separator is communicated with a feeding hole of the transverse slag separator; preliminary deslagging and filtering are carried out through the first multi-section deslagging device, filtered slag slurry enters the transverse deslagging device, and white water is pumped into the transverse deslagging device through the white water tank, so that the slag slurry is rotationally separated in the transverse deslagging device; and the formed accepted pulp is automatically returned to the first multi-section slag separator, is discharged from the accepted pulp opening after being subjected to slag discharge, and further fiber recovery is realized through mutual cooperation of the transverse slag separator, the first multi-section slag separator and the second multi-section slag separator, so that the fiber content in the slag pulp is lower, and the utilization rate of the fiber is improved.

The utility model belongs to the technical field of chemical production equipment, and particularly relates to a feeding system, in particular to a vacuum negative pressure feeding system. The utility model provides a feeding system. The feeding system comprises a feeding tank, a storage tank and a vacuum pump, and the feeding tank communicates with the storage tank and the vacuum pump; a first valve is arranged on a communicating pipeline between the vacuum pump and the feeding tank, and a second valve is arranged on a communicating pipeline between the storage tank and the feeding tank. According to the technical scheme, after the feeding tank is vacuumized through the vacuum pump, negative pressure is generated between the feeding tank and the storage tank, and liquid in the storage tank is driven by the negative pressure to enter the feeding tank through the communicating pipeline; if the communicating pipeline or the tank body is damaged, negative pressure driving cannot be generated, and liquid in the corresponding storage tank cannot flow into the communicating pipeline / the feeding tank, so that leakage is effectively avoided; the technical defect that transmission cannot be stopped in time when leakage occurs during transmission of corrosive liquid, so that dangers are avoided is overcome.

The utility model relates to a powder coating production device convenient to load, which belongs to the technical field of powder coating loading production and comprises a loading tank and a production device main body, and a knocking and turning assembly is fixedly connected outside the loading tank; the knocking and turning assembly comprises a mounting frame fixedly connected to the outer side of the feeding tank, a servo motor is fixedly connected to the right side of the mounting frame, a two-way lead screw is fixedly connected to an output shaft of the servo motor, a movable block is in threaded connection with the outer surface of the two-way lead screw, and a metal ball head is fixedly connected to the outer side of a spring sleeve. The top of the vertical frame is fixedly connected with a rotating motor, and an output shaft of the rotating motor is fixedly connected with a stirring shaft. According to the powder coating production device convenient to feed, by arranging the knocking and turning assembly, the anti-blocking and anti-adhesion functions are achieved, the feeding smoothness is guaranteed, then the feeding efficiency of powder coating is effectively improved, and the production requirement is better met.

The utility model relates to cement storehouse discharge technology field, concretely is a kind of cement storehouse bottom discharge device, install in cement storehouse bottom, including feed tank, feed pipe and screening subassembly, feed tank top connects feed pipe, be equipped with multiple discharge ports on feed tank;Discharge port is corresponding with arc plate, splitter and discharge plate respectively;Screening subassembly is connected on feed tank, and screening subassembly includes deflector, screening piece, splitter and detection piece.The utility model, cement feed tank is screened by the mesh of screening piece, larger broken block will be discharged through discharge plate, and cement through screening piece will fall on splitter, and splitter will separate cement again, third filter screen plate and fixed plate will distinguish broken block and powder, and broken block is guided out feed tank through arc plate, and detection piece controls the size of mesh by the temperature and humidity in feed tank to control first filter screen plate and second filter screen plate to change mesh, to prevent soft cement block from plugging mesh.

This invention relates to a system and method for extending the service life of a concentration membrane. The system includes a feed tank, a concentrate tank, and at least two circulating membrane units. Concentration membranes are installed in each circulating membrane unit to concentrate the low-concentration feed solution flowing through the unit to obtain a high-concentration concentrate. A proportional control valve is installed on the return pipeline. A first pneumatic control valve is installed on the return pipeline between the feed tank's return port and the proportional control valve. A second pneumatic control valve is installed on the concentrate pipeline. An online refractometer is installed on the discharge pipeline. The online refractometer is interlocked with the control signals of the first and second pneumatic control valves, controlling their respective valve openings. This invention stabilizes the feed concentration by interlocking the feed concentration with the discharge destination, reducing the osmotic pressure of the concentration membrane, extending its service life, and reducing production costs.

The utility model relates to sintering cloth material technical field, the utility model provides a kind of uniform distribution cloth material device of sintering mixture, it includes: storage tank, the bottom end of storage tank is fixedly connected with feed tank, feed tank is rotatably connected with feed roller in its inside, the outside of feed roller is equipped with multiple load grooves, the inside of each load groove is slidably connected with adjusting plate, the middle part of feed roller is equipped with the lugging cavity;Adjusting assembly, adjusting assembly is assembled in the inside of lugging cavity, adjusting assembly is used to cooperate adjusting plate and adjust the volume of load groove, the bottom end of feed tank is fixedly connected with discharge pipe;Comb material assembly, comb material assembly is assembled at the bottom end inside storage tank, for turning over sintering mixture. Through the above technical scheme, the technical problem that the sintering mixture is prone to excessive accumulation in the inside in the prior art, which leads to blockage at the discharge end, and when feeding into the blast furnace smelting, local material stacking or material shortage is prone to occur.

A system for desalinating water using membrane distillation (MD) integrated with an ejector includes an ejector module and a membrane module. The ejector module includes a water ejector, a first water circulation pump, and a freshwater tank. Freshwater is continuously pumped from the freshwater tank, through the water ejector, and back to the freshwater tank. The membrane module includes a feed tank, a second water circulation pump, a water heater, and a membrane distillation unit. Salt water from the feed tank is pumped through the water heater to form vapor, which is then directed to the membrane distillation unit. The membrane distillation unit comprises a feed chamber, a membrane, and a vapor chamber. Vapor passes through the membrane to the vapor chamber connected to the water ejector. The vapor chamber, under a vacuum, does not include an outlet configured to receive a sweeping gas.

The utility model belongs to the field of ore dressing relates to a kind of flotation machine ore separation box, including T-shaped partition, the T-shaped partition is installed in the ore separation box, and the ore separation box is divided into two parts of feed tank and distribution tank;The T-shaped partition includes vertical plate perpendicular to the bottom surface of the ore separation box and horizontal plate parallel to the bottom surface of the ore separation box and fixed on the top of the vertical plate;The length of the vertical plate is equivalent to the length of the ore separation box, the height of the vertical plate is not more than 1 / 2 of the height of the ore separation box;The length of the horizontal plate is equivalent to the length of the ore separation box.The technical scheme of the application can delay the flow rate of ore pulp, which is beneficial to uniform ore separation and improves the flotation effect;At the same time, the ore can be ground, and the bottom plate after modification will not be impacted by the ore pulp.

The utility model relates to the field of automobile processing especially relates to automobile rear bottom fender processing waste material processing device, including bearing mechanism and crushing device, bearing mechanism includes base, and bearing mechanism installs crushing device, conveying device and feeding device, and conveying device includes punching chain plate, and punching chain plate installs in base, and feeding device includes feed tank, and the upper end of base is fixedly connected with the shroud, and the upper end of shroud is passed through and is set up groove no.

This invention provides a pretreatment apparatus and method, relating to the field of pretreatment technology. The pretreatment apparatus includes a feeding tank, a drying mechanism, a conveying mechanism, and a discharging tank. The feeding tank is used to contain the material to be treated. The drying mechanism includes a main body, a stirring assembly, and a heating assembly. The stirring assembly is rotatably disposed within the main body, and the heating assembly is used to heat at least one of the main body and the stirring assembly. The conveying mechanism is disposed between the feeding tank and the drying mechanism and communicates with both the feeding tank and the main body, for conveying the material to be treated from the feeding tank into the main body. The discharging tank is communicated with the drying mechanism and is used to contain the material dried by the drying mechanism. The heating assembly increases the contact area with the material to be treated, and the material is heated while being stirred and mixed, improving the drying effect of the material.

This utility model belongs to the field of ingot casting processing, specifically disclosing a water inlet structure for a smelting furnace. It includes a feed tank located at the furnace opening, with a feed inlet at the top and a cover for sealing it. A discharge outlet is located on the side of the feed tank, communicating with the furnace opening. The bottom of the feed tank is inclined, with its lower end facing the furnace opening. A limiting ring is installed on the cover, with a sealing element on its inner wall. The limiting ring engages with the outer wall of the upper part of the feed tank, and the sealing element seals the gap between the limiting ring and the outer wall of the upper part of the feed tank. This utility model solves the problems of molten aluminum oxidizing upon contact with air and forming slag when flowing through the water inlet, and some molten aluminum remaining on the inner wall of the water inlet due to temperature drop, forming hardened aluminum slag, requiring regular slag removal and causing raw material waste.

The application discloses a kind of fertilizer dynamic mixing device with soil conditioner quantitative blending mechanism, including mixing box, two feed tanks, driving part and speed regulation mechanism;Mixing box is equipped with agitator inside, and bottom is equipped with openable and closable discharge port;Two feed tanks are respectively arranged in the top of the two sides of the mixing box;The side of the feed tank is equipped with feed hopper, and bottom is equipped with the distribution port being communicated with the inside of mixing box;The inside of the feed tank is equipped with distribution mechanism, and the material entered at feed hopper is put into the inside of mixing box according to certain speed;Driving part is connected with the distribution mechanism of two feed tanks respectively, and drives distribution mechanism to put material towards mixing box;Speed regulation mechanism is connected with the distribution mechanism of one feed tank, and is used to adjust the speed of distribution mechanism to put material.Solve the problem that proportioning precision is low, adjustment is inconvenient and continuous operation is difficult.

The utility model discloses a coal gangue crushing and feeding device, which relates to the technical field of coal gangue crushing, and comprises a crushing cylinder, the top side of the crushing cylinder is in butt joint with a sleeve, the sleeve is connected to one end of the top side of a feeding box, the feeding box is obliquely arranged on one side of the crushing cylinder, and a plurality of supporting rollers are arranged in the feeding box. The top side supporting rollers are driven by a first motor and are in transmission connection with a conveying belt. According to the coal gangue crushing and feeding device, the supporting rollers in the feeding box are matched with the conveying belt and the pushing strip, coal gangue can be forcibly pushed to lift and move in the direction of the crushing barrel, materials can be effectively prevented from sliding or accumulating, and continuous and stable feeding operation is guaranteed; and the sealing shell is arranged at the joint of the feeding box and the crushing barrel, so that the dissipation of dust in the coal gangue conveying and crushing process can be avoided.

The utility model provides an efficient uniform coating device of steel wire drawing powder, relates to the technical field of steel wire powder coating, and comprises a feeding box, needle type electrodes and a discharging pipe, the back surface of the feeding box is fixedly connected with a heat preservation box, the back surface of the heat preservation box is fixedly connected with a powder coating box, the needle type electrodes are fixedly connected in the powder coating box at equal intervals, and the discharging pipe is connected with the needle type electrodes. And a powder feeding pipeline is fixedly connected to the side face of the powder coating box, an air blower is fixedly connected to the interior of the powder coating box and located at the position close to the top of the needle type electrode, and the discharging pipe is fixedly connected to the back face of the powder coating box. The temperature of the steel wire is kept through the heating wire, wire drawing powder is evenly conveyed through the spiral conveying blade and prevented from being blocked in the powder inlet pipeline, airflow is sprayed out through the air blower, the needle type electrode is combined to generate an electrostatic field, the powder adhesive force is enhanced, it is guaranteed that the powder is evenly distributed on the surface of the steel wire, and the high efficiency and uniformity of the coating effect are improved.

The application belongs to the technical field of soil improvement and remediation, and particularly relates to a spray-explosion type deep loosening and deep application integrated engineering equipment and a working method thereof. The equipment comprises a vehicle frame, a spray-explosion system, a spray-explosion deep loosening rod and a feeding system. The vehicle frame is provided with traveling wheels. The spray-explosion deep loosening rod is internally provided with a spray-explosion channel. The lower end of the spray-explosion deep loosening rod is provided with at least one spray-explosion hole, which is not directed downward. The upper end of the spray-explosion channel is communicated with the gas outlet of the spray-explosion system through a pipeline. The lower end of the spray-explosion channel is communicated with the spray-explosion hole. The spray-explosion system is used for generating a compressed air shock wave and forming spray-explosion through the spray-explosion deep loosening rod. The feeding system comprises a feeding tank and a discharge pipe. The upper end of the discharge pipe is communicated with the outlet of the feeding tank. The lower end of the discharge pipe is communicated with the spray-explosion deep loosening rod. The spray-explosion loosening and spray-mixed fertilization are simultaneously performed. The fertilizer is sprayed into the loosened soil through the spray-explosion mode. The fertilizer is sprayed through the positive pressure gas, so that the fertilization area is larger.

A feed supply system used in distributing feed grain from a feed tank includes a boot unloader coupled to an upstream end of at least one conveyor tube in fluid communication with a downwardly opening aperture of the feed tank. The boot unloader includes an unloader body formed of a front panel and a rear panel to form a receiving portion into which feed grain flows from the feed tank. At least one auger is partially received in the unloader body and extends from the unloader body into a respective conveyor tube. The auger is secured to the rear panel with an end bearing and has a helical flighting configured to rotate about an auger axis. An auger retention mechanism extends between the front panel and the rear panel of the boot unloader and positioned above the auger axis so that the auger retention mechanism prevents the flighting from deforming upwards within the boot unloader.

This utility model discloses a compound feed mixing device for large yellow croaker, applied in the field of feed processing equipment technology. It includes a base plate, characterized in that: side plates are welded to the left and right sides of the base plate; a lifting rod is snapped onto the inner wall of the side plates; a top plate is welded to the top of the lifting rod; a motor is bolted to the top front of the top plate; the output end of the motor is fixedly connected to a rotating rod via a coupling; a threaded hole is opened on the inner wall of the rotating rod; a stirring rod is threadedly connected to the inner wall of the threaded hole; slide rails are welded to the left and right sides of the side plates; a sliding platform is slidably connected to the inner wall of the slide rails; and circular rings are welded to the left and right sides of the sliding platform. This design allows for quick installation and removal during cleaning and maintenance of the feed tank, increasing convenience. The detachable stirring device allows for adjusting the number of stirring rods to accommodate different sizes and quantities of feed, increasing the uniformity of the mixing.

The utility model discloses a sol tank styrene gas emission recovery system which comprises a plurality of groups of sol tanks, a plurality of groups of glue solution feeding tanks, a first condenser and a tail gas treatment unit, the sol tanks are provided with first tail gas exhaust ports, the glue solution feeding tanks are provided with second tail gas exhaust ports, and the tail gas treatment unit is provided with a second condenser. The first tail gas exhaust port of each group of glue dissolving tanks is respectively connected with a first condenser, the gas inlet of the first condenser is connected with the first tail gas exhaust port, and the gas exhaust port of the first condenser and the second tail gas exhaust port of the glue solution feeding tank are respectively connected with the tail gas treatment unit. According to the styrene gas emission and recovery system for the sol tanks, the first tail gas exhaust ports of each group of sol tanks are respectively connected with the first condensers, and the tail gas of the corresponding sol tanks is condensed and recovered by the first condensers in advance, so that the recovery effect is improved, and meanwhile, the blockage conditions of pipelines, valves, instruments and the like can be reduced; therefore, normal production is ensured, and product quality is guaranteed.

The invention relates to the technical field of devices for polyolefin production, in particular to a slurry liquid raw material online preparation feeding system for polyolefin production and an online preparation method of the slurry liquid raw material online preparation feeding system. Through cooperation of the two multifunctional preparation kettles which are connected in parallel and the feeding tank group, adding of a reducing agent, a modifying agent and an electron donor can be realized, the path of receiving, reducing, metering and injecting the catalyst slurry into a downstream polyolefin reactor is shortened, the online retention time of the catalyst is short, the required pressure difference is small, and the cost is low. Therefore, the interference factors of the catalyst can be reduced, the damage of the catalyst is reduced, the process steps are reduced, the number of equipment is reduced, the operation is simplified, and the cost is reduced. And through the cooperation of the first preparation kettle and the second preparation kettle, when one preparation kettle conveys the slurry-liquid raw material through the conveying pump, the other preparation kettle can finish the preparation of the slurry-liquid raw material on line, so that the risk factors such as fluctuation, material mixing and the like of online addition of a reducing agent and the like are reduced, and the polymerization stability is better controlled.

The utility model relates to the technical field of material feeding devices, and discloses a material feeding device for a thickener, which comprises a feeding tank and the thickener, the feeding tank is a round barrel with a round opening at the lower end, and the feeding tank is fixedly mounted at the central position of the thickener. According to the utility model, through a linkage structure of the movable disc, the scraping plate and the rotating column, intelligent switching between a mixing function and a cleaning function is realized. When the rotating motor drives the rotating column to rotate, the movable disc drives the connecting block and the scraping plate to synchronously rotate to form stirring blades, and a mixed flow state of a flocculating agent and slurry is forcibly scattered; after mixing is completed, the telescopic device pushes the connecting ring to move upwards, the movable disc drives the limiting block to ascend along the sliding groove, the scraping plate is forced to transversely expand outwards to be tightly attached to the inner wall of the feeding tank, and residues are automatically scraped in the rotating process. According to the design, the switching of a mixing mode and a cleaning mode is realized through a single driving source, so that the dispersion uniformity of a flocculating agent is improved, and the efficiency loss caused by traditional manual slag removal is avoided.