40 results about "Cement mill" patented technology

The application provides an anti-blocking grate for a cement mill, and relates to the technical field of cement production. The surface of the intermediate ring is fixedly connected with a frame, a plurality of grates arranged at equal intervals in a circle are arranged between the frame and the intermediate ring, a through groove penetrating through the surface of the grate is formed in the surface of the grate, a connecting mechanism is arranged between the grate, the frame and the intermediate ring, an installation groove is formed in the interior of the grate, an anti-blocking mechanism is arranged in the interior of the installation groove, the anti-blocking mechanism comprises rotating rods, the surface of each rotating rod is rotationally connected with the inner wall of the through groove, and two rotating rods are arranged in each through groove. The anti-blocking mechanism is arranged to process the blocked material in the through groove, solves the problem that the material is easily blocked in the through groove in the prior art and affects the filtration of the material, automatically processes the material by using the power generated when the grate rotates, and reduces the processing cost of the material.

The utility model discloses a device for grading and optimizing materials in a cement grinding mill, which relates to the technical field of cement production and processing and comprises a powder concentrator main body, the top of the powder concentrator main body is fixedly communicated with a feed pipe, and one side of the feed pipe is provided with a drying mechanism. The heating frame is fixedly connected with the spiral feeding machine shell, the stirring rod drives materials to rotate and make contact with the heating plate, the materials enter the spiral feeding machine shell after being preheated and are conveyed in the spiral feeding machine shell, the temperature in the spiral feeding machine shell can be adjusted through the heating frame, air flow in the spiral feeding machine shell is accelerated through the fan blades, and therefore the materials can be conveyed to the spiral feeding machine shell. According to the powder concentrator, the materials are dried while being conveyed, the moisture content in the materials is reduced, blockage caused by condensation of moisture in the materials in a low-temperature area in the powder concentrator body is avoided, and normal use of the powder concentrator body is guaranteed.

The present invention relates to methods for integrating CO2-mediated mineral carbonation and / or activation in a cement production facility and methods for producing low-carbon-footprint cement, comprising withdrawing at least part of the exhaust gas generated cement production, conditioning it by modifying one or more of temperature, pressure, CO2 concentration and humidity, subjecting an activatable solid feedstock to a size-reduction operation in a size-reduction apparatus distinct from the raw mill and cement mill, and producing low-carbon-footprint cement by mixing the CO2-activated material with the cement wherein mixing is performed feeding the CO2-activated material to the cement mill or a distinct mixing apparatus.

The utility model belongs to the technical field of cement processing, and particularly relates to an equipment heat insulation structure, which comprises a heat resistance component mounted between a cement mill cylinder and a slide shoe bearing, the heat resistance component comprises a support framework fixedly connected to the outer wall of the cement mill cylinder and an annular frame in sliding connection with a support tile, the supporting framework is fixedly connected with the annular frame, the heat resistance assembly effectively blocks transmission of heat of materials in the cement mill barrel by separating the cement mill barrel from the supporting tile from direct contact, and therefore the operation temperature of the sliding shoe is reduced, and the heat resistance assembly is arranged between the cement mill barrel and the sliding shoe bearing, so that the heat resistance of the cement mill barrel is improved. The cement mill cylinder and the supporting tile are separated from direct contact, so that heat of materials in the cement mill cylinder transferred to the sliding shoe can be effectively reduced, the running temperature of the sliding shoe is reduced, the cement mill is prevented from being shut down due to too high temperature, the production problem is effectively solved, and smooth production is guaranteed.

The utility model provides a cement grinding mill, which relates to the technical field of cement grinding mills and comprises a known grinding mill for grinding cement and a screening box arranged at a discharge port of the grinding mill. The lifting frame comprises two groups of opposite inner side walls which are distributed in an up-down staggered mode, the opposite inner side wall located on the upper portion is rotationally connected with the lower-layer filter plate, the impurity box is arranged below the lower-layer filter plate, therefore, under the condition that the lifting frame does not descend, materials can stay on the surface of the lower-layer filter plate all the time, the staying time of the materials is prolonged, and the service life of the materials is prolonged. The rotating shaft drives the two eccentric wheels to rotate, and the side edges of the eccentric wheels can push the lower-layer filter plate to swing in a reciprocating mode, so that reciprocating sliding of the materials is achieved by controlling the retention time of the materials and utilizing reciprocating swing of the lower-layer filter plate, and qualified materials can be conveniently accelerated to pass through the lower-layer filter plate to be screened and separated.

The utility model belongs to the technical field of cement grinding mills, and particularly relates to a cement grinding mill partition plate which comprises a plurality of annularly distributed grid plates, grid gaps which are formed in the grid plates and are used for screening out crushed cement and ventilating the interior of a grinding mill, and a central circular plate which is used for connecting the plurality of grid plates, the central circular plate is composed of a plurality of ventilation holes distributed in the central circular plate, and filter screens are fixedly arranged in the ventilation holes and used for intercepting cement and only allowing airflow to pass through so as to dissipate heat in the mill; the intercepting part is spliced with the part, not provided with the grate seam, of the grate plate and used for blocking cement with the particle size larger than the size of the grate seam, heat in the mill is effectively dissipated, and therefore the ventilation efficiency and the heat dissipation performance of the mill are improved, seamless splicing of the intercepting part and the grate plate is achieved, and the heat dissipation performance of the mill is improved. The cement with overlarge particles is effectively prevented from entering the next bin, and the grinding quality and the production efficiency of the cement are ensured.

The application relates to the technical field of cement mills, in particular to a high-efficiency cement mill and a use method thereof. The high-efficiency cement mill comprises a base, a cylinder is arranged on the base, a cylinder head is rotationally arranged at the front end of the cylinder, a cylinder tail is fixedly installed at the rear end of the cylinder, a feeding device is arranged on the cylinder head, and a discharging device is arranged on the cylinder tail. Two supports are fixedly installed on the top of the base. The high-efficiency cement mill and the use method thereof have the advantages that the preliminarily ground coarse materials can enter the cylinder through the leakage holes on the inner cylinder, and then the corresponding steel balls are driven to further finely grind by the rotating cylinder. Compared with the simple separation of coarse materials, the inner and outer structures of the inner cylinder in the above-mentioned cylinder can not only separate the coarse materials from the raw materials, so as to save the overall processing time and improve the working efficiency of the cement mill, but also can directly finely process the separated coarse materials, so that the processing efficiency is not affected by the coarse material transfer, and the separation and reprocessing are all carried out in the equipment, so that pollution is not caused.

The utility model belongs to the technical field of cement production equipment, and discloses a cement grinding mill powder selecting device which comprises a fixed base, mounting seats are fixedly mounted on the left side and the right side of the upper surface of the fixed base, a rotating cylinder is rotationally connected between the two mounting seats, a grinding cylinder is fixedly mounted in the rotating cylinder, and a plurality of discharging holes are formed in the outer wall of the grinding cylinder; according to the cement grinding mill powder selecting device, raw materials are placed in the grinding cylinder, the motor works to drive the transmission belt to rotate, the transmission belt drives the rotating cylinder to rotate at a high speed, and in the rotating process of the rotating cylinder, the raw materials are separated from the grinding cylinder, so that the raw materials are separated from the grinding cylinder. And after grinding is completed, powder with the particle size smaller than that of the discharging holes is discharged through the discharging holes, powder with the particle size larger than that of the discharging holes is left in the grinding cylinder to be continuously ground till the particle size reaches the standard, grinding and screening are integrated, and the cement production efficiency is greatly improved.

The utility model relates to the technical field of cement raw material processing, and discloses cement plant desulfurization equipment which comprises a raw material mill, a feed port fixedly connected to the upper end of the raw material mill, a support fixedly connected to the outer surface of the raw material mill, an impeller feeder fixedly connected to the lower end of the raw material mill, and a grinding motor fixedly connected to the upper surface of the raw material mill. The output end of the grinding motor penetrates through the raw material mill and is fixedly connected with a grinding rod, the lower end of the grinding rod is fixedly connected with a grinding hammer, a grinding groove is formed in the raw material mill, the shape of the grinding groove is matched with that of the grinding hammer, a plurality of atomization heads are installed in the raw material mill, and a plurality of auxiliary spray heads are installed in the atomization heads. And the ground raw materials are uniformly humidified by using an atomizing head and an auxiliary spray head, and the spray head is rotated by a dust falling structure so as to ensure uniform humidification. The kiln tail flue gas humidity and dust concentration are improved, the SOadsorption capacity is enhanced, the sulfur fixation efficiency is improved, and SOemission is reduced.

The utility model discloses a cement mill roller press cooling water adjusting device, which relates to the technical field of cement production and comprises a bottom plate, a plate heat exchanger, a support and a pump body are respectively arranged on the bottom plate, a filter box is mounted on the outer wall of the top of the support, and a water inlet pipe and a first connecting pipe are respectively arranged on the filter box. The other end of the first connecting pipe communicates with the plate heat exchanger, and the water inlet end and the water outlet end of the pump body are fixedly connected with a second connecting pipe and a water outlet pipe correspondingly. When the plate type heat exchanger is used, cooling water can be filtered, dirt blocks are prevented from entering the plate type heat exchanger, the using effect of the plate type heat exchanger can be guaranteed, the whole filter plate is very convenient to disassemble and assemble, in the process of disassembling the filter plate, the dirt blocks floating in water can be brought to the outside through the collecting net frame, and the water quality is improved. And the water is prevented from drifting to other positions of the filter box and then entering the plate heat exchanger along with the water flow, and the overall practicability is high.

The utility model relates to the technical field of dust collectors, in particular to a cement grinding mill batching station dust collector capable of preventing material blockage of an air inlet pipeline, which comprises a dust collector body, an air outlet pipe is communicated with the surface of the dust collector body, an air inlet structure is arranged on the surface of the dust collector body, and the air inlet structure comprises an air inlet pipe fixedly connected to the surface of the dust collector body. The other end of the air inlet pipe is communicated with a folding pipe, the other end of the folding pipe is communicated with a mounting pipe, the side wall of the air inlet pipe is fixedly connected with a rotating pin, the side wall of the rotating pin is rotatably connected with a rotating strip, the interior of the rotating strip is fixedly connected with a connecting pin, and the connecting pin is fixedly connected with the surface of the mounting pipe. According to the utility model, the air inlet structure is arranged, so that the flexible bending adjustment work of the air inlet position pipeline is facilitated, the crushing work of impurities is facilitated, and the use requirements of different users on the air inlet position pipe orifice are met.

The utility model relates to the technical field of partition plates, in particular to a cement grinding mill partition plate structure which comprises a supporting circular plate, first screen holes are formed in the supporting circular plate, a plurality of sets of partition strips are fixedly connected to the outer portion of the supporting circular plate, a sector plate is arranged between every two adjacent partition strips, second screen holes are formed in the sector plates, and the first screen holes are communicated with the second screen holes. The fan-shaped plate is installed on the supporting circular plate, a positioning opening is formed in one side of the top of the fan-shaped plate, a positioning groove is formed in the top of the partition strip, a positioning ring is arranged on the positioning opening and the positioning groove, and the positioning ring is detachably and fixedly connected with the supporting circular plate. The position of the fan-shaped plate can be locked, when the fan-shaped plate needs to be replaced and maintained, only the positioning ring needs to be taken down, the fan-shaped plate can be quickly separated, and operation is convenient.

The utility model discloses a low-resistance cement grinding mill dust collection structure, and relates to the technical field of cement grinding mill dust collection. The upper side of the bottom plate is fixedly connected with a treatment box, one side of the treatment box is fixedly connected with an air inlet pipe, the inside of the treatment box is fixedly connected with an elastic groove plate, the lower side of the elastic groove plate is provided with a plurality of filter cartridges, and the upper side of the bottom plate is fixedly connected with an air storage tank. Through the arrangement of the blowing mechanism, when the filter cartridge is cleaned, the driving motor drives the threaded rod to rotate, so that the threaded sleeve drives the piston plate to ascend, and gas in the gas storage tank is sprayed out through the blowing pipe to blow and clean the inner wall of the filter cartridge, and when the driving motor drives the threaded rod, through transmission of the bevel gear, the inner wall of the filter cartridge is cleaned. And the rubber knocking head is driven to rotate to intermittently knock the elastic groove plate, so that the elastic groove plate and the filter cylinder generate vibration, the cleaning effect on the filter cylinder is further improved, the air passing resistance is reduced, and the dust collection efficiency of the equipment is improved.

The utility model discloses a cement mill feed pipe stirring device which comprises a stock bin and a feed pipe obliquely arranged at the bottom of the stock bin, the upper end of the feed pipe is connected and communicated with the bottom of the stock bin, a flange plate fixedly connected with the feed pipe is arranged on the side wall of the feed pipe in a sleeved mode, and a plurality of bearing seats are arranged on the front end face of the flange plate in the circumferential direction. A rotating shaft is rotationally arranged on each bearing seat, a first gear is coaxially arranged on each rotating shaft, an inner gear is arranged on the feeding pipe in a sleeving manner, inner teeth of the inner gear are in meshing transmission fit with outer teeth of the gears, and one rotating shaft penetrates through the flange plate and is connected with a driving mechanism arranged on the feeding pipe; a first positioning rod fixedly connected with the inner gear is arranged on the outer side of the feeding pipe, an adjusting shaft is arranged in the feeding pipe, a scraper is arranged on the adjusting shaft, and one end of the adjusting shaft extends out of a discharging opening of the feeding pipe and is connected with a second positioning rod through the first positioning rod. The anti-blocking device can effectively solve the problem that the feeding pipe of the cement grinding mill is blocked, and is good in anti-blocking effect.

The utility model provides a liquid cement grinding aid recovery device which comprises a fixed cylinder, a connecting pipe is fixedly connected to the lower surface of the fixed cylinder, a cement mill is arranged on one side of the connecting pipe, a connecting mechanism is arranged between the connecting pipe and the cement mill, and a cylinder cover is rotationally connected to the upper side of the fixed cylinder; and a fixing mechanism is arranged between the cylinder cover and the fixed cylinder. According to the device, the fixed cylinder and the connecting pipe are arranged, so that the grinding aid can be prevented from splashing everywhere only by placing the measuring barrel in the fixed cylinder in the recovery device during calibration, and the pollution to the surrounding environment is greatly reduced. After calibration measurement is completed, the grinding aid can be directly poured into the recovery device through the connecting pipe and then smoothly enters a grinding system to be recycled, waste of resources is avoided, and efficient management and cyclic utilization of the grinding aid are achieved.

The utility model discloses a cement grinding mill water spraying system which comprises a bottom plate and a supporting plate, the top of the bottom plate is fixedly connected with a stand column, the supporting plate is fixedly connected with a bearing in an inserted mode, the top end of the stand column fixedly penetrates through the bearing, the top of the supporting plate is provided with a first pipeline, the left side of the first pipeline is provided with a second pipeline, and the bottom end of the second pipeline is fixedly provided with a transverse pipe in a penetrating mode. A plurality of spray heads are fixedly inserted into the bottom of the transverse pipe, a pressing plate is arranged at the top of the supporting plate, a first threaded rod is movably connected to the rear side of the pressing plate, a through hole is formed in the supporting plate, the bottom end of the first threaded rod movably penetrates through the through hole, and two first butterfly nuts are arranged on the edge of the outer side of the first threaded rod in a sleeved mode. According to the device, the first pipeline can be conveniently replaced, meanwhile, first pipelines with different diameters can be installed on the device, and the application range of the device is greatly widened.

The invention discloses a method for preparing high-strength cement by using a polyol amine raw material. The method comprises the following steps: weighing desulfurization gypsum, cement clinker and a mixed material in a set amount as main materials; preparing a polyhydric alcohol amine raw material solution, and diluting the polyhydric alcohol amine raw material solution to the concentration of 10%-20%; continuously conveying the main material into a cement grinding mill, and continuously and uniformly spraying the diluted solution into the material in the grinding process; wherein the use amount of the diluted solution is 0.01%-0.05% of the total amount of the main materials, and by adopting the spraying mode, it can be ensured that the diluted solution is evenly mixed with a large number of cement main materials; after grinding, feeding a cement finished product into a cement storage tank; stirring equipment is used for stirring and homogenizing treatment, so that tiny difference between batches is further eliminated, and the distribution uniformity of the polyhydric alcohol amine raw materials in the whole warehouse of cement is ensured. By adopting the preparation method, the early strength and durability of a cement product can be improved, special requirements of high-rise buildings, ocean engineering and the like can be met, and meanwhile, the production cost of the cement can be reduced.

The utility model discloses an efficient feeding device of a cement mill roller press, which relates to the technical field of cement mill roller presses and comprises an anti-blocking feeding box, the top of the anti-blocking feeding box is fixedly connected with a feeding channel penetrating through an inner cavity of the anti-blocking feeding box, and the bottom of the anti-blocking feeding box is fixedly connected with a discharging box penetrating through the inner cavity of the anti-blocking feeding box. A first rotating rod and a second rotating rod are movably installed on the right side of the inner wall of the anti-blocking feeding box, the second rotating rod is located on the front side of the first rotating rod, a plurality of stirring plates which are staggered with one another are evenly and fixedly installed on the outer wall of the first rotating rod and the outer wall of the second rotating rod correspondingly, and a driving box is fixedly installed on the left side of the anti-blocking feeding box; the left end of the first rotating rod penetrates into an inner cavity of the driving box and is fixedly provided with a first gear. According to the cement powder feeding device, the first rotating rod, the second rotating rod, the stirring plate, the second servo motor, the reciprocating lead screw, the reciprocating moving plate and the anti-blocking plate are matched with one another, so that cement powder can fall down uniformly during feeding, the blocking problem is prevented, and the discharging efficiency is prevented from being affected.

The utility model discloses a cement mill partition board structure, include: first dredging board and second dredging board, symmetrical setting in the both sides of pivot, wherein, pivot rotatable installation is in the cement mill partition board, and first dredging board and second dredging board close cement mill partition board surface, the utility model discloses when the cement mill is working, first dredging board and second dredging board because of friction also follow rotation, when reaching the highest point, they because of the rapid drop of self weight, and the smaller particle is discharged, and the larger particle is pushed back mainboard body and continues to grind, and effectively prevent the screen hole blockage problem of partition board.

The utility model discloses a sound insulation cover of a cement mill, which relates to the technical field of cement mills and comprises a mounting bottom plate and a sound insulation cooling device. A mounting bracket is fixedly connected to the top of the mounting bottom plate, and a driving motor is fixedly mounted in the mounting bracket; the sound insulation cooling device comprises an annular sound insulation cover, heat dissipation fins, a spiral flow guide pipe, a backflow pipe and a water storage tank, the annular sound insulation cover is fixedly connected to the interior of the mounting support and arranged on the surface of the driving motor in a sleeving mode, and the heat dissipation fins are circularly and fixedly connected to the outer surface of the annular sound insulation cover at equal intervals; the heat dissipation speed of the annular sound-proof cover is increased through cooling water, then the speed of diffusing heat inside the annular sound-proof cover to the outside is increased, the surface temperature of the driving motor is prevented from being too high, the heat dissipation speed of the annular sound-proof cover can be increased through heat dissipation of the multiple heat dissipation fins, and then damage caused by too high temperature of the driving motor is avoided; and normal use of the driving motor is ensured.

The utility model provides a circulating bucket elevator screening device of a cement vertical mill, which relates to the technical field of cement production, and comprises an obliquely arranged blanking piece, an ash bucket fixed with the blanking pipe and communicated with the blanking cavity, and an ash bucket arranged in the blanking piece and communicated with the ash bucket, and the blanking piece comprises a blanking pipe and a blanking cavity arranged in the blanking pipe and used for enabling powder to fall from the top end to the bottom end. The screen is mounted at the position, facing the opening of the discharging cavity, of the ash hopper in the inclined direction of the discharging cavity; when powder in the discharging cavity falls down, part of the powder falls into the ash hopper through the screen. The powder is screened through the screen, fine powder in the discharging pipe falls into the ash hopper through the screen, so that the amount of coarse powder is reduced, it is guaranteed that when the cement mill grinds the coarse powder again in the follow-up process, the running current of the mill is reduced, and therefore power consumption needed by grinding is reduced, and the cost needed by production is greatly reduced.

The utility model discloses an ash removal device for a cement mill, which belongs to the field of cement production equipment and comprises a ball mill, a feed port is arranged on the left side of the ball mill, and a discharge port is arranged on the right side of the ball mill. The discharge port is connected with a fan through an air inlet pipe, and the fan is connected with a dust collecting device through an air outlet pipe; the dust collecting device comprises a first conical cylinder, an inner cylinder is arranged in the first conical cylinder, an air inlet is formed in the outer side wall of the first conical cylinder in the tangential direction, and a discharging opening is formed in the bottom of the first conical cylinder; a plurality of side air inlets extending outwards are circumferentially distributed in the top of the inner cylinder in the tangential direction, the outlet ends of the side air inlets are arranged in a second conical cylinder, a small air outlet is formed in the top of the second conical cylinder, and a dust collecting cavity is formed in the bottom of the second conical cylinder; and the plurality of small air outlets are communicated with the large air outlet. Dust in the cement grinding mill can be cleaned and collected, efficient operation of equipment is maintained, product quality is guaranteed, and the requirements for safety and environmental protection are met.

The utility model relates to cement production equipment technical field especially relates to a cooling device of cement mill, including rotary drum inner cooling mechanism, rotary drum outer cooling mechanism, the rotary drum outer cooling mechanism includes the coiled spray pipe of surrounding setting in the rotary drum outer peripheral side of cement mill body, the water tank of water supply for coiled spray pipe, water pump and pipe fitting, on the coiled spray pipe even length interval is separately provided with a plurality of spray heads, the spray head is to the rotary drum outer wall of cement mill body direction, the utility model discloses adopt the mode that rotary drum inner cooling and rotary drum outer cooling are combined, realize the synchronous cooling of cement mill inside and outside, reach effectively improve the cooling effect, in addition, utilize cloth bag dust collector to carry out the collection to the dust that blows and cools down, can reduce dust environmental pollution while intercepting material, wherein utilize the water collecting groove can be used to collect the water after heating, can be used for heating or drying.

The application relates to the technical field of steady flow bins, and provides a roller press steady flow bin cloth distribution device, which comprises a mixing bin arranged at the upper end of a steady flow bin, the mixing bin is in a funnel-shaped structure, two feeding pipes are arranged at the upper end of the mixing bin, a plurality of baffle rings are arranged in the mixing bin from top to bottom, the inner diameters of the baffle rings are sequentially reduced from top to bottom, and the baffle rings are attached to the inner wall of the mixing bin. The mixing bin is additionally arranged at the upper end of the steady flow bin, a plurality of baffle rings are arranged in the mixing bin from top to bottom, the material enters the inside of the mixing bin through the two feeding pipes, the material moves to the inner side of the baffle ring and is mixed after impacting the baffle ring, the residence time of the material in the inside of the mixing bin is prolonged, the purpose of eliminating segregation is achieved through step-by-step descending mixing, the uniformity of the mixing of the two materials is improved, the extrusion effect of the roller press is improved, and the purposes of improving the hourly output of the cement mill and reducing the power consumption are achieved.

The application discloses a temperature-resistant polycarboxylic water reducing agent and a preparation method and application thereof, wherein an unsaturated polyoxyethylene ether monomer is dispersed in water, and the temperature is raised to 25-30 DEG C; an oxidizing agent is added, and stirring is carried out for 5-15 min; solution A and solution B are added dropwise into a reaction system within 1-1.5 h; wherein the unsaturated functional monomer and the heat-resistant functional monomer are dispersed in water to prepare solution A; a chain transfer agent and a reducing agent are dispersed in water to prepare a mixed solution B; an organic neutralizing agent is added to adjust the pH to 6-7; and heat-resistant auxiliaries are added to prepare the temperature-resistant polycarboxylic water reducing agent; the polycarboxylic acid molecular structure is designed according to the high-temperature working condition in a cement mill, and the aqueous solution environment of the polycarboxylic water reducing agent is designed, so that the water reducing performance of the polycarboxylic water reducing agent can be maintained under the high-temperature environment above 100 DEG C in the cement mill, and the polycarboxylic water reducing agent can play a good water reducing characteristic in the cement and concrete mixing process.

The utility model discloses a cement mill grinding head and grinding tail sealing system which comprises seam allowance bases arranged at the top and the bottom of a sliding shoe and further comprises a sealing assembly, the sealing assembly comprises a sliding shoe cover arranged on the inner wall of the seam allowance base, a connecting ring is arranged on the outer side of the seam allowance base in a sleeved mode, and a blocking ring is arranged at the bottom of the connecting ring. A staggered limiting part is inserted into the bottom of the blocking ring; an oil collecting part is arranged on the side of the connecting ring; the sealing assembly comprises a human-shaped sealing ring and a cashmere felt, the human-shaped sealing ring is arranged on the outer side of the spigot base, the cashmere felt is arranged at the bottom of the connecting ring, a fastening part is arranged on the outer side of the spigot base, and a connecting part is arranged at the bottom of the connecting ring; the herringbone sealing ring is arranged on the outer side of the spigot base, the cashmere felt fixed by the connecting part is arranged at the bottom of the connecting ring, the dislocation limiting part is used for sealing again, and the problems that lubricating oil leaks out and dust easily enters the sliding shoe cover after a single layer of sealing is abraded are solved through a three-layer sealing measure.

The utility model provides an auxiliary deironing device for a cement mill, and relates to the technical field of deironing equipment, the upper surface of a device shell is provided with a rotating through hole and a feeding groove, the inner diameter of the rotating through hole is smaller than that of the feeding groove, and a conical rotating cylinder is rotatably connected in the rotating through hole; firstly, the conical feeding port and the annular check block are separated by pulling the dragging handle so that the single-time cement fine powder feeding amount can be controlled, then the conical rotary drum is driven by the motor to rotate and impact the fed cement fine powder so that the cement fine powder can be evenly scattered on the electromagnet, and iron powder in the cement fine powder can be attracted. And the content of the iron powder in the cement fine powder is reduced.

The application provides a power regulation method for cement enterprise load, comprising the following steps: bringing the power consumption data and production data of the cement enterprise into a pre-constructed adjustable load potential model to obtain multiple power regulation modes and the duration under each power regulation mode; calculating the operation cost of the equipment under each power regulation mode based on the duration under each power regulation mode and the power consumption cost; and regulating the power of the cement enterprise load in the power regulation mode with the minimum operation cost; wherein the adjustable load potential model is constructed by different load interruption durations obtained by the power regulation modes of starting the cement mill, interrupting the raw mill and / or interrupting the cement mill; and the method is beneficial to guiding the peak-shifting production of the cement enterprise, improving the production benefit, helping the power grid to stabilize the load curve and improving the safety guarantee level of the power grid.

The utility model provides a high-heat-dissipation wear-resistant cement grinding mill, and relates to the technical field of cement grinding mills. Comprising a mill body and a material pre-cooling mechanism, a feeding port is formed in one end of the mill body, a discharging port is formed in the other end of the mill body, a partition plate is arranged in the mill body to divide the mill body into a first bin and a second bin, lining plates are arranged in the first bin and the second bin correspondingly, steel balls are arranged on the lining plates, and a bearing base is arranged at the bottom end of the mill body; the bearing seat is provided with a heat dissipation structure, the material pre-cooling mechanism is connected with the feeding port and is used for cooling materials entering the mill, the structure is simple, the design is reasonable, and the temperature of the materials entering the mill can be reduced by arranging the material pre-cooling mechanism, so that the temperature of the mill in the working process is reduced, the heat dissipation performance of the mill is improved, and in addition, the service life of the mill is prolonged. The partition plate arranged in the mill body divides the mill into the two bins, steel balls of different sizes can pass through the mill conveniently, materials are ground in the two bins respectively, and the grinding efficiency and the uniformity of the materials are improved.

The invention discloses a cement grinding mill anti-blocking grate plate structure, and relates to the technical field of cement grinding mills.The cement grinding mill anti-blocking grate plate structure comprises an equipment main body, a supporting frame is fixedly installed on the inner wall of the equipment main body, grate plates which are annularly and evenly distributed are fixedly installed on the supporting frame, a sieve plate is fixedly installed on the supporting frame, and a circular ring is fixedly installed on the supporting frame; a first sliding groove is formed in the circular ring, and first fixing plates which are annularly and evenly distributed are installed on the first sliding groove in a sliding mode. The cement grinding equipment has the advantages that in the crushing and grinding process of cement materials, the cement materials adhered to the surface of the grate plate can be intermittently scraped, vibrated and cleaned through the scraping plate, and screening holes in the grate plate are intermittently dredged through the dredging plates, so that the automatic cleaning effect of the equipment on the grate plate can be improved; and the continuous screening speed of the grate plate on the cement materials is increased, so that the continuous processing stability of the equipment on the cement materials is improved.