28results about How to "Improve slag removal effect" patented technology

The invention discloses a low-temperature cold oil pressing system and a using method thereof, and relates to the technical field of vegetable fat pressing, the low-temperature cold oil pressing system comprises a filter plate fixedly mounted in a machine body, and further comprises a cold pressing part, a cold oil pressing part and a cold oil pressing part, and the cold pressing part is matched with the filter plate for low-temperature cold oil pressing treatment; the residue stacking part is used for carrying out stacking treatment on the squeezed oil residues; the residue removing part is used for discharging the oil residues stacked by the residue stacking part out of the machine body; the method further comprises the following steps that S1, to-be-squeezed raw materials are put into the machine body through the feeding opening and fall onto the filter plate, and feeding is stopped after a certain amount of raw materials are put into the machine body. The oil press has the advantages that raw materials can be sequentially and effectively subjected to linear pressing and grinding pressing, the oil yield is guaranteed, the situation that the cold pressing effect is affected due to temperature rise caused by improper oil pressing operation is avoided, meanwhile, oil residues can be automatically scraped, accumulated, sucked and discharged after oil pressing, manual residue removal is not needed, the residue removal effect is good, and the oil press is safe and reliable. And the overall production efficiency is effectively improved.

The invention discloses an internal welding device for a large steel pipe. The internal welding device comprises a welding platform, an L-shaped supporting plate is arranged on the welding platform, a conveying clamping mechanism is arranged on the welding platform, a positioning welding mechanism is arranged on the welding platform, and a deslagging supporting mechanism is arranged on the positioning welding mechanism; the conveying and clamping mechanism comprises a roller bracket, a conveying roller, a fixed supporting rod, an arc-shaped guide plate, a first universal ball and a clamping part; the clamping part is used for clamping a steel pipe; the positioning and welding mechanism comprises a motor support, a rotating motor, a driving shaft, a conveying frame, a welding part and an auxiliary part, the welding part is used for welding the joint of the two steel pipes, and the auxiliary part is used for positioning and supporting the conveying frame. The device has the beneficial effects that workers do not need to enter the steel pipe for welding, the labor intensity of the workers is reduced, the welding efficiency is improved, the welding quality is improved, the welding slag is convenient to clean, the grinding block is convenient to replace, and the dismounting and mounting efficiency is high.

The invention discloses a full-automatic ultrahigh-pressure belt type plate-and-frame filter press which comprises a rack, an extrusion mechanism, a blockage clearing and slag removing mechanism and a lifting mechanism, a plurality of filter plates are arranged on the rack in a sliding mode, the extrusion mechanism is installed at one end of the rack, the extrusion mechanism can extrude the filter plates, and the lifting mechanism can lift the filter plates. The filter plate is provided with a blocking and slag removing mechanism, the blocking and slag removing mechanism can stretch into the filter plate to conduct blocking and slag removing on the elastic filter cloth on the filter plate from inside to outside, and the lifting mechanism can drive the blocking and slag removing mechanism to move up and down, so that the blocking and slag removing mechanism can stretch into the filter plate to conduct blocking and slag removing on the elastic filter cloth from inside to outside; compared with a traditional external cleaning mode, the mode is more efficient, all the elastic filter cloth can be cleaned at the same time, the cleaning efficiency is high, blockages on the filter holes can be thoroughly removed, the long-term filtering efficiency of the filter cloth is guaranteed, damage to the filter cloth is reduced, and the service life of the elastic filter cloth is prolonged.

The utility model relates to the technical field of biomass combustion furnaces, in particular to an automatic slag removal device of a biomass new energy furnace, which comprises a combustion box, a fixed grate arranged in the combustion box, a plurality of ventilation slots arranged in the fixed grate, a slag removal grate arranged on the lower side of the fixed grate in a sliding manner, and a plurality of groups of slag removal teeth arranged on the upper portion of the slag removal grate. The deslagging teeth are upwards arranged in the ventilation slots in a penetrating manner; and one end of the deslagging grate is connected with a reciprocating driving mechanism. When attached slag is generated through combustion, the motor can be started, the motor enables the eccentric shaft to slide in the length direction of the sliding groove while rotating in the sliding groove, the slag removal grate can be driven to reciprocate along the ventilation groove, the slag removal teeth are arranged in the ventilation groove in a penetrating mode, and automatic slag removal of the combustion box in the biomass new energy stove can be achieved through reciprocating motion of the slag removal teeth. Slag is prevented from blocking the ventilation slots to affect the combustion effect.

The invention relates to the technical field of citrus planting, and discloses a sunshine No.1 tangelo fruit quality improving agent which comprises a solid-liquid mixture of water, expired brown sugar, potassium tripolyphosphate, expired milk and small shrimps. The invention discloses a preparation method of a sunshine No.1 tangelo fruit quality improving agent. The preparation method comprises the following steps: step 1, dissolving brown sugar in water; and step 2, sequentially adding potassium tripolyphosphate, milk and shrimps, adding the next one after one is added and fully stirred and dissolved, finally adding water for dilution, and fully and uniformly stirring. A use method of the Sunshine No.1 tangelo fruit quality improving agent comprises the following steps: 3-4 months after flowers of Sunshine No.1 tangelo fall, fully stirring before use, uniformly splashing near a water drip of a tree crown, and then carrying out rotary tillage at a depth of 10-15 cm so as to uniformly mix the Sunshine No.1 tangelo fruit quality improving agent with soil. The invention relates to application of a sunshine No.1 tangelo fruit quality improving agent in tangelo planting. The sugar degree of tangelo fruits is increased, the acidity is reduced, and the tangelo is low in slagging property, low in preparation cost, safe, harmless and easy to use.

The application relates to an evaporative cold-pipe deslagging structure and a deslagging method, and belongs to the technical field of dry dust removal equipment for converter steelmaking. The evaporative cold-pipe deslagging structure comprises a detection rod arranged at the top of an evaporative cold pipe, a plurality of vibration assemblies arranged on the side wall of the outer surface of the evaporative cold pipe and a maintenance door arranged on one side of the bottom of the evaporative cold pipe. The vibration assembly comprises a base fixedly arranged on the side wall of the evaporative cold pipe and a vibration motor detachably connected to the base. The base comprises a bottom plate arranged on the side wall of the evaporative cold pipe and a connecting plate arranged on the bottom plate. The bottom plate is an arc-shaped plate, and the curvature of the bottom plate is greater than that of the side wall of the evaporative cold pipe. The application has the advantages of complete descaling effect, dry dust removal, prolonged service life of the equipment, improved dust removal effect, high coal gas recovery quality and the like.

The utility model discloses a tool for cleaning accumulated slag at a dedusting flue port of an LF (ladle furnace), which relates to the technical field of auxiliary equipment in the metallurgical industry and comprises a grid support and an operating rod piece, the grid support is used for being detachably and fixedly connected with a slag cleaning port at the dedusting flue port of the LF, and the grid support is provided with a plurality of grids; the cleaning end of the operation rod piece is used for penetrating through a grid and being supported on the edge of the grid, the cleaning end of the operation rod piece is used for being inserted into a gap between a flue wall and accumulated slag so as to clean the accumulated slag, the end, away from the cleaning end, of the operation rod piece is the handle end, the handle end is used for being held by an operator, the structure is simple, use is convenient, and practicability is high. Meanwhile, efficient operation of the dust removal system is guaranteed, the field operation environment is improved, and the health of workers is protected.

The utility model provides a kind of short flow prevention cyclone grit chamber with oil and slag removal function, including inlet channel, pool body, water collecting cylinder, outlet channel, sand discharge emptying pipe and slag discharge channel etc. Speed-regulating pusher consisting of frequency conversion motor, paddle and flow velocity meter is equipped in inlet channel, and inlet flow rate can be adjusted according to water volume. The bottom of pool body is conical cylinder, and water is discharged from the bottom of central water collecting cylinder, to avoid short flow. There is also slag remover, which removes oil and slag by driving motor driving scraper and stirring blade on rotating shaft. The grit chamber solves the problem of short flow, poor oil and slag removal of traditional equipment by speed-regulating pusher and flow guide water collecting cylinder, realizes "three-phase separation", improves sand removal efficiency, and does not increase land occupation, which can be used for existing grit chamber modification and is suitable for sewage treatment pretreatment.

The utility model discloses a movable type grinding fluid on-line filtering device which comprises a movable box body, a precise filtering unit used for filtering grinding fluid and a residue discharging unit used for collecting and separating filter residues are arranged in the box body, a filtering liquid inlet in the bottom of a filtering tank in the precise filtering unit is communicated with a residue discharging pipe, and a filtering liquid outlet in the bottom of the filtering tank is communicated with the residue discharging pipe. The precise filtering unit is arranged in the box body, the residue discharging unit comprises a residue discharging barrel, a filtering basket and a residue inlet, the filtering basket is arranged in the residue discharging barrel, the residue inlet is formed above the filtering basket, and the residue inlet is connected with a residue discharging pipe. And the whole device can be conveniently moved and transferred.

The utility model discloses a kind of device of high-efficiency cleaning of extraction tank accumulated residue, belong to extraction tank technical field.A kind of device of high-efficiency cleaning of extraction tank accumulated residue, including extraction tank, baffle one and baffle two are fixed in extraction tank inside, the inside of extraction tank is divided into mixing chamber, clarification chamber and backflow slag discharge chamber;Clarification chamber is equipped with slag removal device inside, and slag removal device slides along clarification chamber long side direction, for the sediment residue in clarification chamber is transferred to backflow slag discharge chamber;Liquid in mixing chamber is overflowed to clarification chamber by baffle one;The sediment residue in clarification chamber is moved to backflow slag discharge chamber bottom by the slag removal channel of baffle two bottom, and is discharged by the slag discharge port of backflow slag discharge chamber bottom.

This invention belongs to the field of iron and steel metallurgy technology, specifically relating to molten steel for chromium addition in a converter for low-carbon chromium steel production. In conventional alloy steel smelting processes using high-carbon ferrochrome for alloying, the carbon content in the molten steel obtained after secondary slag formation easily exceeds the upper limit, making it difficult to obtain low-carbon chromium steel with a carbon content below 0.15% after subsequent alloying processes. To address this problem, this invention provides molten steel for chromium addition in a converter for low-carbon chromium steel production. To improve the chromium recovery rate in low-carbon chromium steel and prevent the carbon content in the molten steel obtained after secondary slag formation from exceeding the upper limit, this invention adds a small amount of chromium concentrate during the secondary slag formation process and continuously blows oxygen from the top during the secondary slag formation process. This significantly reduces the carbon content in the molten steel obtained after secondary slag formation while simultaneously improving the chromium recovery rate.

The utility model discloses a food processor convenient to clean, which comprises a main machine, a stirring cup assembly and a motor, the stirring cup assembly comprises a stirring cup and a stirring knife arranged in the stirring cup, the motor drives the stirring knife to rotate, the stirring knife comprises a knife shaft and a blade arranged on the knife shaft, a knife holder assembly is arranged at the bottom of the stirring cup, and the knife holder assembly is connected with the stirring cup. The cutter holder assembly comprises a shaft sleeve, a bearing and a shaft seal, the bearing and the shaft seal are arranged in the shaft sleeve, the cutter shaft penetrates through the shaft sleeve and is connected with the bearing and the shaft seal, and a residue removing structure for pushing food materials towards the radial outer side is arranged on the radial outer side of the cutter shaft and located between the blade and the upper end face of the shaft sleeve. According to the utility model, food material residues at the sealing position of the shaft seal can be actively cleaned, so that the accumulation of the food material residues is effectively avoided, the shaft seal and the bearing assembly are further protected, and finally, the service life of the tool apron assembly is prolonged.

The invention provides an energy-saving vitamin B12 fermentation device and method, and belongs to the field of vitamin preparation.The fermentation device comprises a fermentation tank, and a flow guide table is fixedly arranged at the inner bottom of the fermentation tank; the method comprises the following steps: S1, during use, a worker can start a motor, and a plurality of stirring rods are driven to rotate through a shaft rod, so that fermentation liquid in a fermentation tank is fully stirred, and the fermentation efficiency is improved. When the device is used, fermentation liquor can be fully stirred, sticky waste can be scraped off, waste retention is avoided, meanwhile, waste deposited at the bottom of the fermentation liquor can be collected and cleaned, the influence on the purity and quality of products is avoided, the follow-up treatment difficulty and cost are reduced, the production efficiency is improved, and after the device is used, the production cost is reduced. The inside of the fermentation tank and the filter screen can be fully cleaned, so that the influence on the next use is avoided, and the practicability is improved.

The utility model discloses a kind of aluminium electrolysis cell molten aluminium stabilizing flow devices, comprising: anti-settling equipment shell, its side surface is fixedly provided with control cabinet;Mounting shell, it is fixedly connected in anti-settling equipment shell side;Driving motor, it is installed in mounting shell;Rotary shaft, it is driving motor output shaft transmission connection, its end away from driving motor is rotatably installed in the fixed sleeve on the inner wall of anti-settling equipment shell;Mixed support, it is installed on rotary shaft, and can rotate synchronously with rotary shaft;Filter screen body, it is installed in the inside of anti-settling equipment shell;Fixed support ring, it is installed on rotary shaft;Cleaning support, it is fixedly installed on fixed support ring, can move or rotate synchronously with fixed support ring;Wherein, when driving motor drives rotary shaft rotation, mixed support can stir molten aluminium, cleaning support can clean filter screen body.The utility model can change the pressure of cleaning support to filter screen by adjusting the position of fixed support ring, enhance the effect of cleaning residue.

The utility model belongs to the technical field of tunnel excavation, and particularly provides an inclined shaft construction rack. The inclined shaft construction rack comprises a frame assembly, a telescopic mechanism, a slagging-off mechanism and a well lid, the telescopic mechanism is installed on the frame assembly, the slagging-off mechanism is installed at one end of the telescopic mechanism, a well lid winch used for lifting and placing the well lid is arranged on the frame assembly, and an avoiding position and a covering position used for covering the slag slipping pilot tunnel are arranged in the moving stroke of the well lid. When the well lid is located at the avoiding position, the whole well lid is located on the inclined upper side of the telescopic mechanism. In the upward moving process of the well lid, the whole well lid is away from the tunnel hole wall (the hole wall below the telescopic mechanism in an inclined mode) and cannot interfere with the tunnel hole wall, manual auxiliary adjustment of the posture of the well lid is not needed, and safety is higher. In addition, the well lid does not occupy the space of the inclined lower side of the telescopic mechanism at the moment, the slagging-off mechanism can conveniently achieve the slagging-off action in a larger range, and the good slagging-off effect is guaranteed.

The utility model discloses a heat-engine plant boiler deslagging device which comprises a boiler, and the bottom of the boiler is fixedly connected with a boiler net through bolts. A top seat; compared with the prior art, through the arrangement of the attaching mechanism and the mode that a piston is driven by air pressure to move, rapid attaching of the scraper to boilers of different sizes is achieved, the problem that an existing device cannot adapt to the boilers of different sizes is effectively solved through the self-adaptive adjusting mode, and therefore the device has the advantages of being high in adaptability, convenient to use and high in practicability. The applicability is obviously improved; through the arrangement of the deslagging mechanism, on the basis that the scraper moves up and down conventionally along with the follow-up seat in a reciprocating mode, short-distance up-and-down reciprocating motion of the scraper can be achieved, the scraper can generate higher scraping force in the deslagging process, stubborn slag can be effectively dealt with, and the deslagging effect is greatly improved.

The utility model discloses a slurry deslagging device for cleaning papermaking, which comprises a support frame and a machine body, and is characterized in that the support frame is arranged on the periphery of the machine body and is fixedly connected with the machine body, the machine body comprises an upper machine body and a lower machine body, a primary filtering mechanism is arranged in the upper machine body, and the primary filtering mechanism comprises a filtering box and a blanking channel; a filtering box is arranged in the lower machine body and movably connected with the inner wall of the upper machine body, a secondary filtering mechanism is arranged in the lower machine body and comprises a conical separation barrel, and the conical separation barrel is movably connected with the discharging channel through shaft hole fit. According to the utility model, large and small particle residues are subjected to grading treatment, so that the residue removal effect is improved, and the device can be effectively prevented from being blocked.

The utility model discloses an automatic slag remover which comprises a machine frame, a recycling assembly, a tableware chain row and a spraying device, a water receiving cavity is formed in the top of the machine frame, and a slag discharging water opening is formed in the bottom of the water receiving cavity; the recycling assembly comprises a first water tank, a second water tank and a slag discharging chain row, the slag discharging chain row is installed below the slag discharging water opening, the first water tank is located below the slag discharging chain row, and the second water tank is located on one side of the first water tank; the tableware chain row is obliquely mounted in the water receiving cavity and comprises a conveying chain and a motor, and the spraying device is connected with the second water tank; according to the utility model, the second water tank is additionally arranged on the basis of the first water tank, the tableware chain row is designed in an inclined manner, and the power source of the conveying chain is independently controlled, so that the conveying speed of the tableware chain row can be set to be higher, and the tableware chain row is matched with inclined tableware and a large amount of water for flushing, so that quick slag removal is realized, and the slag removal effect is good.

The utility model discloses an advection desilting basin upper sleeve deslagging device which comprises a floating block, a supporting plate is fixedly assembled on the surface of the floating block, a transverse pipe is fixedly assembled on the surface of the supporting plate, a plurality of suction pipes are symmetrically communicated with the two sides of the transverse pipe, and moving structures are symmetrically assembled on the two sides of the surface of the supporting plate. The whole device can be effectively suspended on the water surface, the deslagging effect on the upper sleeve of the advection desilting basin is guaranteed, the stability can be better guaranteed through the arrangement of a tetragonal floating block, a pipeline is conveniently installed through the effect of a supporting plate, a transverse pipe is communicated with a suction pipe, the adsorption effect on slag bodies above the water surface on the inner side of the floating block is guaranteed, and the service life of the device is prolonged. Through the action of the through pipe, the outer side end can be communicated with a water pump to provide suction force for the pipeline, through the action of the fairing, scum is enclosed and adsorbed, the effect of removing the scum through the outer side end of the through pipe is good, and the operation is convenient.

The utility model relates to the technical field of sewage slag removal, and discloses an automatic sewage slag remover which is characterized in that a moving block is connected in a groove in a sliding manner, the middle part of the moving block is in threaded connection with a screw rod, the screw rod is rotationally connected to the middle part of a positioning block, and the screw rod penetrates through one side of the positioning block and is fixedly connected to the output end of a driving motor; a moving plate is fixedly connected to the side, away from the groove, of the moving block, and a cleaning brush is fixedly connected to the moving plate. According to the slag remover disclosed by the utility model, the driving motor is arranged, so that the moving block moves to drive the moving plate to move, the moving plate moves to drive the cleaning brush to move, and the cleaning brush moves to clean the bottom of the filter screen II, so that the slag remover can clean the filter screen II after removing slag; the phenomenon that the slag removal effect of the second filter screen is affected due to blockage caused by long-term use of the second filter screen is avoided, the service life of the slag remover can be prolonged, and therefore the slag removal effect of the slag remover can be effectively kept.

The present invention relates to a converter steelmaking dephosphorization agent and a preparation method and use thereof, in order to solve the problem that a lot of lime and slag-forming materials are added in the dephosphorization stage of the current converter steelmaking, resulting in large iron loss, slow slag forming speed and unsatisfactory slag forming effect. The dephosphorization agent comprises, by weight: 7-12 parts of solidified casting slag, 7-21 parts of lime, and 2-19 parts of light-burned material. The preparation method comprises: treating the ladle casting slag with an auxiliary agent to obtain solidified casting slag, and then mixing the solidified casting slag, lime and light-burned material according to a formula to obtain a converter steelmaking dephosphorization agent. The converter steelmaking dephosphorization agent provided by the present invention can achieve the target requirements of small slag amount, low oxidizability and low consumption without affecting dephosphorization and production.

The utility model discloses a smelting furnace slag cleaning device which comprises a sealing ring and a material collecting cover, and a driving shaft is arranged in the middle of the surface of the bottom of the sealing ring. The first spring and the second spring are adopted, when the driving shaft rotates, due to the influence of centrifugal force, the second spring and the second telescopic rod can extend outwards, then the lateral slag removal plate is moved outwards, the lateral slag removal plate is attached to the inner wall of the smelting furnace, and after the lateral slag removal plate is moved, due to the fact that the thicknesses of slag on the inner wall of the smelting furnace are different, the slag removal effect is good. Through high-speed rotation, brushes which are driven by first springs and first telescopic rods to stretch out can abut against the furnace slag surfaces with different thicknesses, damage caused by fixation of the slag removal structure is avoided, and then the brushes can gradually grind and remove the abutting furnace slag surfaces through high-speed rotation; slow and multiple times of step-by-step progressive slag removal operation is achieved, the overall slag removal effect can be improved, meanwhile, damage to the furnace wall of the smelting furnace can be reduced, and the beneficial effect that damage to the furnace wall is small is achieved.

The utility model discloses welding slag removing equipment for an automobile seat sliding rail, and belongs to the technical field of welding slag removing of sliding rails. Welding slag removing equipment for automobile seat sliding rails comprises a workbench and further comprises two supporting plates, the two supporting plates are symmetrically distributed and fixed to the side wall of the top end of the workbench, two supports which are symmetrically distributed are fixed to the side wall of one side of the workbench, an air cylinder is fixed to the side wall of the top end of each support, a push plate is fixed to the output end of each air cylinder, and a through groove is formed in the side wall of the top end of the workbench; a reciprocating assembly is arranged on one side of the workbench. Through the arrangement of the reciprocating assembly, the slag removal plate a is driven to move left and right in a reciprocating mode, slag removal work on the sliding rails can be completed within a short time, the sliding rail slag removal device is suitable for slag removal work on a large number of sliding rails, welding slag removal processing can be conducted on the sliding rails with different lengths, the working efficiency is greatly improved, the slag removal effect is good, and the labor intensity of workers is reduced. And the labor cost of enterprises is reduced.

The utility model discloses a heat supply station boiler deslagging mechanism which comprises a boiler body, a discharging pipe is fixedly installed at the bottom end of the boiler body, an outer gear is inserted into the discharging pipe, the upper position and the lower position of the outer gear are respectively provided with a limiting ring, and the limiting rings are fixedly installed on the inner wall of the discharging pipe. A fixing rod is fixedly installed on the upper surface of the outer gear, the other end of the fixing rod is fixedly connected with a scraping plate, the scraping plate abuts against the inner wall of the boiler body, an inner gear is connected into the outer gear in an engaged mode, and a rotating shaft is fixedly installed on the lower surface of the inner gear. A servo motor drives a second conical tooth to rotate, so that an inner gear can drive an outer gear to rotate, then a fixing rod can drive a scraping plate to rotate in the boiler body, and the scraping plate can scrape off disintegrating slag attached to the inner wall of the boiler body; in this way, the slag removal effect in the boiler body is improved to the maximum extent.

The invention discloses a wine experimental equipment fermentation tank, and relates to the technical field of fermentation equipment.The wine experimental equipment fermentation tank is provided with a 5T assembly tank and at least two rows of 100L experimental tanks, at least 12 100L experimental tanks can effectively meet orthogonal experimental requirements, fermentation tests under different technological parameters are achieved, all the experimental tanks are independently controlled, and therefore the experimental efficiency is improved. According to the present invention, the test independence can be ensured so as to ensure the comparable performance, the stirring mechanism can ensure the stirring, the CIP cleaning mechanism can achieve the automatic cleaning effect so as to prevent the mutual influence among different tests, and the slag removing mechanism can effectively and completely discharge the bottom waste slag difficult to clean and discharge so as to improve the cleaning ability; according to the invention, a small test can be carried out in the small tank, an experiment with good fermentation performance can be used as a seed solution to be inoculated into the 5T assembly tank for fermentation, the experiment is more efficient than other equipment as an amplification experiment, and meanwhile, fermentation raw wine among the small tanks can be mutually blended, so that the wine mixing is more flexible.

The invention relates to the technical field of ladle refining, in particular to a slagging agent and a preparation method thereof. The raw materials of the slag melting agent comprise corundum slag, limestone, industrial sodium carbonate and clay, and the preparation method comprises the following steps: uniformly mixing and stirring the raw materials, and pressing into pellets to obtain the slag melting agent. According to the method, Al2O3 and CaO in the vanadium extraction corundum slag are recycled and combined with lime to generate low-melting-point substances such as heptaaluminite and dodecacalcium, then limestone and industrial sodium carbonate are matched, the characteristic that the limestone and the industrial sodium carbonate are heated to decompose is utilized, CO2 gas is generated through decomposition in the slag surface, a slagging agent is promoted to react with the lime in the slag surface better, and meanwhile, the slag surface is protected from the slag surface. The melting point of the slag is reduced by using Na2O generated by decomposition of industrial soda ash; the slag melting agent is good in slag melting effect, low in production cost and free of fluorine, and the environmental protection pressure of a steel mill is greatly relieved.

The utility model relates to the technical field of cotton pulp production, in particular to a slag removal device for producing pure cotton pulp, which comprises a base, a slag removal cylinder is mounted at the top of the base, a pulp inlet pipe is mounted at the top of the slag removal cylinder, and a filter cylinder is mounted at the center of the inside of the slag removal cylinder. A separation cover is installed in the slag removal cylinder and located on the outer side of the filter cylinder, a guide cover is installed in the slag removal cylinder and located between the slag removal cylinder and the separation cover, a first filter cavity is formed between the guide cover and the slag removal cylinder, and a heavy slag outlet pipe is installed on the portion, located on the outer side of the slag removal cylinder, of the first filter cavity; compared with an existing residue removal device for producing pure cotton pulp, the residue removal device for producing pure cotton pulp has the advantages that light residues and heavy residues can be effectively separated through the design, meanwhile, the stability during centrifugal residue removal can be improved, the vibration influence on the whole device is reduced, and the centrifugal residue removal effect is improved.