CN112473889A - Processing technology of cement clinker - Google Patents
Processing technology of cement clinker Download PDFInfo
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- CN112473889A CN112473889A CN202011191994.1A CN202011191994A CN112473889A CN 112473889 A CN112473889 A CN 112473889A CN 202011191994 A CN202011191994 A CN 202011191994A CN 112473889 A CN112473889 A CN 112473889A
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- Prior art keywords
- barrel
- cement clinker
- bin
- cement
- partition plate
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- 239000004568 cement Substances 0.000 title claims abstract description 111
- 238000012545 processing Methods 0.000 title claims abstract description 31
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 176
- 229910052742 iron Inorganic materials 0.000 claims abstract description 88
- 238000005192 partition Methods 0.000 claims abstract description 71
- 238000007599 discharging Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 24
- 238000000227 grinding Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 238000003837 high-temperature calcination Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 abstract description 11
- 239000000428 dust Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 8
- 244000309464 bull Species 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- AGWMJKGGLUJAPB-UHFFFAOYSA-N aluminum;dicalcium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Ca+2].[Ca+2].[Fe+3] AGWMJKGGLUJAPB-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HOOWDPSAHIOHCC-UHFFFAOYSA-N dialuminum tricalcium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[Al+3].[Al+3].[Ca++].[Ca++].[Ca++] HOOWDPSAHIOHCC-UHFFFAOYSA-N 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
- B02C17/06—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container with several compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/186—Adding fluid, other than for crushing by fluid energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a cement clinker processing technology, which comprises a barrel, a feeding bin, a discharging bin, a feeding port, a discharging port, a supporting seat, a large gear, a motor, a speed reducer, a small gear, a lining, a partition plate mechanism and iron balls, wherein the feeding bin is movably arranged on one side of the barrel, the discharging bin is movably arranged on the other side of the barrel, the feeding port and the discharging port are respectively arranged on one sides, far away from the barrel, of the outer surfaces of the upper ends of the feeding bin and the discharging bin, the supporting seat is fixedly arranged at the lower ends of the feeding bin and the discharging bin, the large gear is sleeved on one side, close to the discharging bin, of the outer surface of the barrel, the motor is movably arranged at the lower end in front of the barrel, the speed reducer is movably arranged on one side of the motor, the cement clinker processing device adopts, the ball-milling efficiency is high, and the inner wall of the cylinder body is convenient to clean.
Description
Technical Field
The invention relates to the technical field of cement clinker, in particular to a processing technology of cement clinker.
Background
The cement clinker takes limestone, clay and iron raw materials as main raw materials, raw materials are prepared according to a proper proportion, and the raw materials are burnt until part or all of the raw materials are molten and cooled to obtain a semi-finished product; in the cement industry, the most commonly used portland cement clinker has the main chemical components of calcium oxide, silica and small amounts of alumina and iron oxide; the main minerals comprise tricalcium silicate, dicalcium silicate, tricalcium aluminate and tetracalcium aluminoferrite; the Portland cement clinker is added with a proper amount of gypsum and ground together to obtain the Portland cement, the most commonly used ball mill is the ball mill in the processing process of the cement clinker, and the ball mill is divided into a dry ball mill and a wet ball mill, and the dry ball mill is preferably adopted for the production of the cement clinker;
the Chinese patent discloses a ball mill for cement processing, the patent application number is CN202020285411.0, the damping device comprises a pressing plate, a limiting rod, a plurality of springs, a base and a notch, the base is a concave shell, the upper surface of the base is provided with the notch, the inner side wall of the bottom surface of the base is fixedly connected with one end of each of the springs, the pressing plate is T-shaped, the lower surface of the pressing plate penetrates through the notch of the base and is fixedly connected with the other end of each of the springs, the limiting rods are fixedly connected with the left side and the right side of the bottom of the pressing plate and are only connected with the springs on the left side and the right side, the balance support can effectively relieve the vibration of the ball mill while the ball mill is supported in a balance manner, the device is provided with an anti-corrosion coating, the appearance of the device is flat, smooth and compact, the compressive strength is, the service life of the device is prolonged, the utility model has simple structure and strong practicability, and can be popularized and used;
although the device can perform shock absorption and noise reduction and has strong corrosion resistance, the service life of the device is prolonged, the mud cake of the calcined cement clinker is large, the clinker is difficult to process into the diameter meeting the requirement without sectional grinding, and meanwhile, the cement clinker is easy to attach to the inner surface of the cylinder under the impact of iron balls, and the cement clinker is attached to the inner wall of the cylinder to form a buffer layer, so that the impact force of the iron balls is reduced, and the ball-milling effect is influenced.
Disclosure of Invention
The invention aims to provide a processing technology of cement clinker, wherein the processing device of the cement clinker adopts multi-section ball milling, can prevent a partition plate from being blocked by cement, is not easy to block during feeding, has high ball milling efficiency and is convenient to clean the inner wall of a cylinder.
The invention provides a processing technology of cement clinker, which comprises the following steps:
s1: mixing limestone, slag, fly ash and boiler bottom slag according to a ratio of 80:20:15:10, mixing sawdust and coal slag, introducing into a sintering cellar, controlling the temperature in the sintering cellar to be 1500-1800 ℃ for high-temperature calcination, calcining for 3-5H, cooling the temperature in the sintering cellar to normal temperature, and removing the calcined clinker;
s2: uniformly mixing the fired clinker and gypsum according to the proportion of 50:1, introducing the mixture into a cement clinker processing device, starting the cement clinker processing device to finely grind the cement clinker in a cylinder, and taking out the ground cement clinker through a discharge hole of a discharge bin;
s3: introducing the cement clinker subjected to fine grinding in the step S2 into a filter sieve for vibration filtration, controlling the number of the filter sieve to be 250-300 meshes, filling the filtration product into a packaging bag after the filtration is finished, and storing the packaging bag in a dry environment;
wherein the cement clinker processing device in S2 comprises a barrel, a feeding bin, a discharging bin, a feeding port, a discharging port, a supporting seat, a gearwheel, a motor, a speed reducer, a pinion, a lining, a partition plate mechanism and iron balls, wherein the feeding bin is movably arranged on one side of the barrel, the discharging bin is movably arranged on the other side of the barrel, the feeding port and the discharging port are respectively arranged on one sides of the outer surfaces of the upper ends of the feeding bin and the discharging bin, which are far away from the barrel, the supporting seat is fixedly arranged at the lower ends of the feeding bin and the discharging bin, the gearwheel is sleeved on one side of the outer surface of the barrel, which is close to the discharging bin, the motor is movably arranged at the lower end in front of the barrel, which is close to one side of the discharging bin, the speed reducer is movably arranged at one side of, the clapboard mechanism is fixedly arranged in the middle of the inside of the cylinder body, and the iron ball is positioned in the cylinder body;
the partition plate mechanism comprises a movable partition plate and fixed partition plates, the fixed partition plates are movably arranged on two sides of the movable partition plate, the movable partition plate is fixedly connected with the barrel, and fixed rods are fixedly arranged between the two fixed partition plates and the feeding bin and between the two fixed partition plates and the discharging bin respectively;
the middle position of the upper end of the outer surface of one side of the fixed partition board, which is far away from the movable partition board, is fixedly provided with a scraper, and the scraper is arc-shaped.
In order to improve the ball milling quality of cement, a partition plate mechanism is usually additionally arranged in a cylinder to form multi-section grinding, however, cement entering the cylinder is in a mud cake shape, the filter holes of the partition plate mechanism are blocked due to large volume under the condition of incomplete grinding, the cement entering the next section of grinding is influenced, meanwhile, the mud cake is easily attached to the inner wall of the cylinder under the impact of iron balls, cement clinker is attached to the inner wall of the cylinder to form a buffer layer, the impact force of the iron balls is reduced, and the ball milling effect is influenced.
When the cement grinding machine works, cement enters the interior of the feeding bin through the feeding hole, the feeding bin enters the interior of the barrel and is blocked at one side of the interior of the barrel by the partition plate mechanism, then a power supply is switched on to provide power for the motor, the speed reducer is utilized to match the rotating speed of the motor, the motor is utilized to drive the pinion to rotate at a constant speed, the pinion is meshed with the bull gear, the bull gear is driven by the pinion to rotate, the barrel synchronously rotates along with the bull gear, centrifugal force is generated when the barrel rotates to throw iron balls in the barrel, impact force is generated when the thrown iron balls fall down, the cement is crushed and ground by mutual impact between the iron balls and the lining, the cement is ground into small particles and then passes through the partition plate mechanism to enter the other side of the interior of the barrel to be secondarily finely ground until the cement is ground into, and when the barrel rotated, can take the baffle that moves in the baffle mechanism to rotate in step, and decide the baffle and receive the fixed of dead lever and keep motionless, make and move the baffle and decide the baffle and form relative rotation, move the baffle and do cutting motion with the filtration pore on deciding the baffle, can smash the mud cake of card in the filtration pore, effectively prevent that the baffle mechanism from blockking up, the cement that has ensured inside one side corase grind of barrel gets into the unobstructed of the inside opposite side fine grinding flow of barrel, and because the scraper blade is fixed in the upper end of deciding the baffle, the scraper blade design is convex can be better with laminating of barrel inner wall, the cement of adhering to at the barrel inner wall is scraped down to usable scraper blade when the barrel rotates, ensure that iron ball and barrel inner wall striking are not obstructed, the ball-milling quality has been ensured, and the scraper blade remains upper end position all the time, can effectively avoid the striking of.
Preferably, the front end and the rear end of the outer surface of the upper end of the fixed rod are respectively and movably provided with an impact plate, a push rod is movably arranged between the impact plates and the fixed rod, and a spring is sleeved on the outer surface of the push rod.
When the iron ball is thrown up, part of the iron ball collides with the fixed rod in the falling process, so that the impact force of the iron ball is reduced, and the normal grinding of cement is influenced;
the during operation, through setting up the impingement plate at the dead lever, can be preferred to strike the impingement plate when the iron ball whereabouts striking dead lever, the impingement plate receives the downward impact force that the iron ball gave this moment, lead to the downward displacement of impingement plate and extrude the spring shrinkage deformation between impingement plate and the dead lever, can rebound when the spring shrink to the critical point and reset, the elasticity through the spring promotes the impingement plate rebound this moment, utilize the impingement plate to throw the iron ball upwards once more, simultaneously because the contact surface of impingement plate and iron ball is the arcwall face, make the path skew dead lever when the iron ball throws upwards, strike the dead lever once more when avoiding the iron ball to fall, the iron ball is thrown twice under the effect of impingement plate cooperation spring, make its impact force reinforcing, can carry out better grinding to cement when guaranteeing the iron ball whereabouts.
Preferably, the upper end surface of dead lever corresponds the position of push rod and has seted up the spout, and the inside upper end movable mounting of spout has the piston, the push rod runs through fixed connection between the inside of spout and piston, two the spout is crisscross looks staggered distribution, one side fixed mounting that the inside of barrel is close to out the feed bin has the flabellum, the dead lever runs through in the flabellum, and movable mounting has the bearing between flabellum and the dead lever.
After coarse grinding is carried out on one side of the inside of the cylinder, cement can only be slowly transited to the other side of the cylinder through the rotation of the cylinder, so that the processing progress of cement clinker is greatly influenced;
when the rotary dust collector works, cement clinker is thrown up under the action of centrifugal force when the cylinder rotates, the cement which is ground into powder particles forms dust, at the moment, fan blades on one side of the cylinder, which is close to the discharge bin, rotate along with the cylinder to generate airflow moving from one side of the cylinder to the other side of the cylinder, the dust is quickly sucked into the other side of the inner part of the cylinder body through the flowing of the air flow, the speed of the cement passing through the partition plate mechanism is increased, the processing efficiency of the cement clinker is improved, and when the iron ball falls and impacts the impact plate, the impact plate falls to push the push rod to move downwards in the chute, thereby pushing the piston to move downwards in the chute by the push rod, extruding the air at the lower end of the inside of the chute out of the chute by the piston to form air pressure to blow the cement at the lower end of the inside of the cylinder body, thereby blow up powder particle shape cement, increase the raise dust volume, further accelerated the cement from barrel one side to the excessive of opposite side.
Preferably, the outer fixed surface of the lower end of the fixed rod is provided with a cleaning rod, the outer fixed surface of the cleaning rod is provided with a cleaning soft brush, and the cleaning soft brush is spirally distributed on the outer surface of the cleaning rod.
Because the iron balls continuously impact the cement, part of the cement adheres to the surfaces of the iron balls under the action of impact force to wrap the iron balls to form a buffer layer, so that the impact force generated by the impact between the iron balls is reduced;
the during operation, the iron ball can contact with the soft brush of cleanness on the clean pole of dead lever lower extreme when being thrown by the barrel bottom, and the frictional force that produces when utilizing iron ball and the contact of clean soft brush will be attached to under the cement brush on iron ball surface, ensures iron ball smooth surface, has ensured the normal striking between the iron ball, and clean soft brush establishes into the heliciform simultaneously and has increased its area of contact with the iron ball, has improved clean efficiency.
Preferably, the lower end of the interior of the feeding bin is an inclined surface facing the cylinder, and the fixing rod penetrates through the interior of the feeding bin.
The inside lower extreme in feeding storehouse inclines to the barrel, can help inside cement clinker gets into the barrel faster, states the dead lever and runs through in the inside in feeding storehouse, and after cement clinker got into the material reducing bin, can drive the impingement plate vibration because of the impingement plate cooperation spring on the dead lever is flexible, avoids cement to take place to block up in feeding storehouse inside.
Preferably, the iron balls are partitioned on two sides of the interior of the cylinder body by the partition plate mechanism, the iron balls are oval, and the diameter of the iron ball on one side of the partition plate mechanism is larger than that of the iron ball on the other side of the partition plate mechanism.
Utilize the major diameter iron ball of the inside one side of barrel to carry out the corase grind to cement, carry out the fine grinding to the cement after the corase grind at the minor diameter iron ball through the inside opposite side of barrel, the ball-milling quality of cement has been improved and, the oval ball is compared with the ball with the diameter, weight increase 60%, the impact force is strong, crushing ability has been improved, replace the point contact between the ball by line contact between the oval ball, area of contact is 4 times bigger than the ball, it smashes and good screening effect to have the selectivity to the material, the product granularity is even, the phenomenon of smashing has been reduced.
Advantageous effects
1. When the barrel rotates, the movable partition plate in the partition plate mechanism can be driven to synchronously rotate, the fixed partition plate is fixed and kept immovable by the fixed rod, so that the movable partition plate and the fixed partition plate rotate relatively, and the filter holes in the movable partition plate and the fixed partition plate do cutting motion, so that mud cakes clamped in the filter holes can be crushed, the partition plate mechanism is effectively prevented from being blocked, and the smoothness of fine grinding flow of cement at one side of the interior of the barrel after coarse grinding enters the other side of the interior of the barrel is ensured;
2. when the barrel rotates, the scraper can be used for scraping cement attached to the inner wall of the barrel, so that the impact between the iron balls and the inner wall of the barrel is not blocked, the ball milling quality is guaranteed, the scraper is always kept at the upper end position, the impact of the iron balls can be effectively avoided, the service life of the scraper is prolonged, the iron balls can be contacted with a cleaning soft brush on a cleaning rod at the lower end of a fixed rod when being thrown from the bottom of the barrel, the cement attached to the surfaces of the iron balls is brushed by using friction force generated when the iron balls are contacted with the cleaning soft brush, the surface smoothness of the iron balls is guaranteed, the normal impact between the iron balls is guaranteed, meanwhile, the cleaning soft brush is designed into a spiral shape, the contact area between the cleaning soft brush and the iron;
3. when the cylinder rotates, under the action of centrifugal force, cement clinker is thrown up, cement which is ground into powder particles forms dust, at the moment, fan blades on one side of the cylinder, which is close to the discharging bin, rotate along with the cylinder to generate airflow moving from one side of the cylinder to the other side of the cylinder, the dust is quickly sucked into the other side of the inner part of the cylinder body through the flowing of the air flow, the speed of the cement passing through the partition plate mechanism is increased, the processing efficiency of the cement clinker is improved, and when the iron ball falls and impacts the impact plate, the impact plate falls to push the push rod to move downwards in the chute, thereby pushing the piston to move downwards in the chute by the push rod, extruding the air at the lower end of the inside of the chute out of the chute by the piston to form air pressure to blow the cement at the lower end of the inside of the cylinder body, thereby blow up powder particle shape cement, increase the raise dust volume, further accelerated the cement from barrel one side to the excessive of opposite side.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the construction of the spacer mechanism of the present invention;
FIG. 3 is a schematic view of the construction of the squeegee of the present invention;
FIG. 4 is a schematic view of a fixing rod structure according to the present invention;
FIG. 5 is a view of the fan blade and the fixing rod of the present invention;
FIG. 6 is a process flow diagram of the present invention.
Description of reference numerals:
1. a barrel; 2. a feeding bin; 3. a discharging bin; 4. a feed inlet; 5. a discharge port; 6. a supporting seat; 7. a bull gear; 8. a motor; 9. a speed reducer; 10. a pinion gear; 11. a liner; 12. a partition mechanism; 121. a movable partition plate; 122. fixing the partition plate; 123. fixing the rod; 124. a squeegee; 1231. an impact plate; 1232. a spring; 1233. a push rod; 1234. a chute; 1235. a piston; 1236. a cleaning rod; 1237. cleaning a soft brush; 13. an iron ball; 14. a fan blade; 15. and a bearing.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the present invention provides a technical solution:
a process for manufacturing cement clinker, as shown in fig. 1 to 6, comprising the following steps:
s1: mixing limestone, slag, fly ash and boiler bottom slag according to a ratio of 80:20:15:10, mixing sawdust and coal slag, introducing into a sintering cellar, controlling the temperature in the sintering cellar to be 1500-1800 ℃ for high-temperature calcination, calcining for 3-5H, cooling the temperature in the sintering cellar to normal temperature, and removing the calcined clinker;
s2: uniformly mixing the fired clinker and gypsum according to the proportion of 50:1, introducing the mixture into a cement clinker processing device, starting the cement clinker processing device to finely grind the cement clinker in a cylinder 1, and taking out the ground cement clinker through a discharge port 5 of a discharge bin 3;
s3: introducing the cement clinker subjected to fine grinding in the step S2 into a filter sieve for vibration filtration, controlling the number of the filter sieve to be 250-300 meshes, filling the filtration product into a packaging bag after the filtration is finished, and storing the packaging bag in a dry environment;
wherein the cement clinker processing device in S2 comprises a barrel 1, a feeding bin 2, a discharging bin 3, a feeding port 4, a discharging port 5, a supporting seat 6, a large gear 7, a motor 8, a speed reducer 9, a small gear 10, a lining 11, a partition mechanism 12 and an iron ball 13, wherein the feeding bin 2 is movably arranged at one side of the barrel 1, the discharging bin 3 is movably arranged at the other side of the barrel 1, the feeding port 4 and the discharging port 5 are respectively arranged at one side of the outer surfaces of the upper ends of the feeding bin 2 and the discharging bin 3, which is far away from the barrel 1, the supporting seat 6 is fixedly arranged at the lower ends of the feeding bin 2 and the discharging bin 3, the large gear 7 is sleeved at one side of the outer surface of the barrel 1, which is close to the discharging bin 3, the motor 8 is movably arranged at one side of the front lower end of the barrel 1, the speed reducer 9 is, the small gear 10 is meshed with the large gear 7, the lining 11 is movably mounted on the inner surface of the barrel 1, the partition mechanism 12 is fixedly mounted in the middle of the inside of the barrel 1, and the iron ball 13 is located inside the barrel 1;
the partition plate mechanism 12 comprises a movable partition plate 121 and fixed partition plates 122, the fixed partition plates 122 are movably mounted on two sides of the movable partition plate 121, the movable partition plate 121 is fixedly connected with the cylinder body 1, and fixing rods 123 are fixedly mounted between the two fixed partition plates 122 and the feeding bin 2 and the discharging bin 3 respectively;
a scraper 124 is fixedly arranged in the middle of the upper end of the outer surface of one side of the fixed partition plate 122, which is far away from the movable partition plate 121, and the scraper 124 is arc-shaped;
in order to improve the ball milling quality of cement, the partition plate mechanism 12 is usually added in the cylinder 1 to form multi-stage grinding, however, since the cement entering the cylinder 1 is in a mud cake shape, the filter holes of the partition plate mechanism 12 are blocked due to large volume under the condition of incomplete grinding, the cement entering the next stage of grinding is influenced, meanwhile, the mud cake is easily attached to the inner wall of the cylinder 1 under the impact of the iron balls 13, cement clinker is attached to the inner wall of the cylinder to form a buffer layer, the impact force of the iron balls is reduced, and the ball milling effect is influenced.
When the cement grinding machine works, cement enters the feeding bin 2 through the feeding hole 4, the feeding bin 2 enters the barrel 1 and is blocked at one side of the interior of the barrel 1 by the partition plate mechanism 12, then a power supply is switched on to provide power for the motor 8, the speed reducer 9 is utilized to match the rotating speed of the motor 8, the motor 8 is utilized to drive the pinion 10 to rotate at a constant speed, the pinion 10 is meshed with the bull gear 7, the bull gear 7 is driven to rotate by the pinion 10, the barrel 1 rotates synchronously along with the bull gear 7, centrifugal force is generated when the barrel 1 rotates to throw up iron balls 13 in the barrel 1, impact force is generated when the thrown iron balls 13 fall, the cement is ground and ground through mutual collision between the iron balls 13 and the lining 11, the cement is ground into small particles and then passes through the partition plate mechanism 12 to enter the other side of the interior of the barrel 1 to be secondarily finely ground until the cement powder particles enter the, thereby completing the processing of cement clinker, when the barrel 1 rotates, the movable partition board 121 in the partition board mechanism 12 can be driven to synchronously rotate, the fixed partition board 122 is fixed and kept immovable by the fixed rod 123, so that the movable partition board 121 and the fixed partition board 122 form relative rotation, the movable partition board 121 and the filter holes on the fixed partition board 122 do cutting motion, mud cakes clamped in the filter holes can be crushed, the partition board mechanism 12 is effectively prevented from being blocked, the smoothness of fine grinding flow of cement after coarse grinding at one side inside the barrel 1 entering the other side inside the barrel 1 is ensured, and because the scraper 124 is fixed at the upper end of the fixed partition board 122, the scraper 124 is designed into an arc shape and can be better attached to the inner wall of the barrel 1, when the barrel 1 rotates, the cement attached to the inner wall of the barrel 1 can be scraped by the scraper 124, the collision between the iron balls 13 and the inner wall of the barrel 1 is ensured not to be blocked, the ball, the impact of the iron ball 13 can be effectively avoided, and the service life of the scraper 124 is prolonged.
As an embodiment of the present invention, as shown in fig. 4, the front end and the rear end of the outer surface of the upper end of the fixing rod 123 are movably mounted with an impact plate 1231, a push rod 1233 is movably mounted between the impact plate 1231 and the fixing rod 123, and the outer surface of the push rod 1233 is sleeved with a spring 1232;
after the iron ball 13 is thrown up, part of the iron ball 13 collides with the fixing rod 123 in the falling process, so that the impact force of the iron ball 13 is reduced, and the normal grinding of cement is influenced;
in operation, by providing the impact plate 1231 on the fixing rod 123, when the iron ball 13 falls down and impacts the fixing rod 123, the impact plate 1231 is preferentially impacted, and at this time, the impact plate 1231 receives the downward impact force given by the iron ball 13, so that the impact plate 1231 is displaced downward and presses the spring 1232 between the impact plate 1231 and the fixing rod 123 to contract and deform, when the spring 1232 contracts to a critical point, the spring 1232 rebounds and returns to the original position, at this time, the impact plate 1231 is pushed to move upwards by the elastic force of the spring 1232, the iron ball 13 is thrown upwards again by the impact plate 1231, meanwhile, the contact surface of the impact plate 1231 and the iron ball 13 is an arc-shaped surface, so that the path of the iron ball 13 when being thrown upwards deviates from the fixing rod 123, the iron ball 13 is prevented from impacting the fixing rod 123 again when falling, the iron ball 13 is thrown for the second time under the action of the impact plate 1231 matched with the spring 1232, the impact force of the iron ball 13 is enhanced, and the cement can be better ground when the iron ball 13 falls.
As an embodiment of the present invention, as shown in fig. 4 and 5, a sliding groove 1234 is formed on an outer surface of an upper end of the fixing rod 123 at a position corresponding to the push rod 1233, a piston 1235 is movably installed at an upper end inside the sliding groove 1234, the push rod 1233 penetrates through the sliding groove 1234 and is fixedly connected to the piston 1235, the two sliding grooves 1234 are distributed in a staggered manner, a fan blade 14 is fixedly installed at one side of the inside of the barrel 1 close to the discharging bin 3, the fixing rod 123 penetrates through the fan blade 14, and a bearing 15 is movably installed between the fan blade 14 and the fixing rod 123;
after coarse grinding is carried out on one side of the inside of the cylinder 1, cement can only be slowly transited to the other side of the cylinder 1 through the rotation of the cylinder 1, so that the processing progress of cement clinker is greatly influenced;
when the cement dust remover works, cement clinker can be thrown up under the action of centrifugal force when the cylinder 1 rotates, the cement which is ground into powder particles can form dust, at the moment, fan blades 14 on one side of the cylinder 1, which are close to the discharge bin 3, rotate along with the cylinder 1 to generate air flow moving from one side of the cylinder 1 to the other side of the cylinder 1, the dust is quickly sucked into the other side of the inside of the cylinder 1 through the flowing of the air flow, the speed of the cement passing through the partition plate mechanism 12 is increased, the processing efficiency of the cement clinker is improved, in addition, when iron balls 13 fall and impact the impact plate 1231, the impact plate 1231 descends to push the push rod 1233 to move downwards in the chute 1234, so that the push rod 1233 is used to push the piston 1235 to move downwards in the chute 1234, the piston 1235 is used to extrude air at the lower end of the inside of the chute 1234 to form air pressure to blow the cement at the, further accelerating the transition of cement from one side of the barrel 1 to the other.
As an embodiment of the present invention, as shown in fig. 4, a cleaning rod 1236 is fixedly installed on the outer surface of the lower end of the fixing rod 123, a cleaning soft brush 1237 is fixedly installed on the outer surface of the cleaning rod 1236, and the cleaning soft brush 1237 is spirally distributed on the outer surface of the cleaning rod 1236;
because the iron balls 13 continuously impact the cement, part of the cement adheres to the surfaces of the iron balls 13 under the action of impact force to wrap the iron balls 13 to form buffer layers, so that the impact force generated by impact among the iron balls 13 is reduced;
during operation, iron ball 13 can contact with the soft brush 1237 of the cleaning rod 1236 at the lower end of the fixing rod 123 when thrown up from the bottom of the cylinder 1, and the friction force generated when the iron ball 13 contacts with the soft brush 1237 is utilized to ensure the smoothness of the surface of the iron ball 13 under the cement brush attached to the surface of the iron ball 13, thereby ensuring the normal impact between the iron balls 13, and simultaneously, the soft brush 1237 is spirally arranged to increase the contact area between the iron balls 13, thereby improving the cleaning efficiency.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A processing technology of cement clinker is characterized in that: the processing technology of the cement clinker comprises the following steps:
s1: mixing limestone, slag, fly ash and boiler bottom slag according to a ratio of 80:20:15:10, mixing sawdust and coal slag, introducing into a sintering cellar, controlling the temperature in the sintering cellar to be 1500-1800 ℃ for high-temperature calcination, calcining for 3-5H, cooling the temperature in the sintering cellar to normal temperature, and removing the calcined clinker;
s2: uniformly mixing the fired clinker and gypsum according to the proportion of 50:1, introducing the mixture into a cement clinker processing device, starting the cement clinker processing device to finely grind the cement clinker in the cylinder (1), and taking out the ground cement clinker through a discharge hole (5) of a discharge bin (3);
s3: introducing the cement clinker subjected to fine grinding in the step S2 into a filter sieve for vibration filtration, controlling the number of the filter sieve to be 250-300 meshes, filling the filtration product into a packaging bag after the filtration is finished, and storing the packaging bag in a dry environment;
wherein the cement clinker processing device in S2 comprises a cylinder body (1), a feeding bin (2), a discharging bin (3), a feeding port (4), a discharging port (5), a supporting seat (6), a large gear (7), a motor (8), a speed reducer (9), a small gear (10), a lining (11), a partition plate mechanism (12) and iron balls (13), the feeding bin (2) is movably arranged on one side of the cylinder body (1), the discharging bin (3) is movably arranged on the other side of the cylinder body (1), the feeding port (4) and the discharging port (5) are respectively arranged on one sides, far away from the cylinder body (1), of the outer surfaces of the upper ends of the feeding bin (2) and the discharging bin (3), the supporting seat (6) is fixedly arranged at the lower ends of the feeding bin (2) and the discharging bin (3), the large gear (7) is sleeved on one side, close to the discharging bin (3), of the outer, the electric discharge machine is characterized in that the motor (8) is movably arranged on one side, close to the discharge bin (3), of the lower end in front of the barrel (1), the speed reducer (9) is movably arranged on one side of the motor (8), the pinion (10) is movably arranged on one side of the speed reducer (9), the pinion (10) is meshed with the large gear (7), the lining (11) is movably arranged on the inner surface of the barrel (1), the partition mechanism (12) is fixedly arranged in the middle of the interior of the barrel (1), and the iron ball (13) is located in the barrel (1);
the partition plate mechanism (12) comprises a movable partition plate (121) and fixed partition plates (122), the fixed partition plates (122) are movably arranged on two sides of the movable partition plate (121), the movable partition plate (121) is fixedly connected with the barrel body (1), and fixing rods (123) are fixedly arranged between the two fixed partition plates (122) and the feeding bin (2) and the discharging bin (3) respectively;
a scraper (124) is fixedly installed in the middle of the upper end of the outer surface of one side, away from the movable partition plate (121), of the fixed partition plate (122), and the scraper (124) is arc-shaped.
2. The processing technology of the cement clinker as claimed in claim 1, wherein the front and rear ends of the outer surface of the upper end of the fixing rod (123) are movably provided with the impact plates (1231), the push rod (1233) is movably arranged between the impact plates (1231) and the fixing rod (123), and the outer surface of the push rod (1233) is sleeved with the spring (1232).
3. The processing technology of the cement clinker as claimed in claim 2, wherein a chute (1234) is formed in the outer surface of the upper end of the fixing rod (123) corresponding to the position of the push rod (1233), a piston (1235) is movably mounted at the upper end of the inside of the chute (1234), the push rod (1233) penetrates through the inside of the chute (1234) and the piston (1235) to be fixedly connected, the two chutes (1234) are distributed in a staggered manner, fan blades (14) are fixedly mounted on one side, close to the discharging bin (3), of the inside of the barrel (1), the fixing rod (123) penetrates through the fan blades (14), and a bearing (15) is movably mounted between the fan blades (14) and the fixing rod (123).
4. The process for processing cement clinker according to claim 1, wherein the outer surface of the lower end of the fixing rod (123) is fixedly provided with a cleaning rod (1236), the outer surface of the cleaning rod (1236) is fixedly provided with a cleaning soft brush (1237), and the cleaning soft brush (1237) is spirally distributed on the outer surface of the cleaning rod (1236).
5. The process for manufacturing cement clinker as claimed in claim 1, wherein the lower end of the interior of the feeding bin (2) is inclined toward the barrel (1), and the fixing rod (123) penetrates through the interior of the feeding bin (2).
6. The process for processing cement clinker as claimed in claim 1, wherein the iron balls (13) are partitioned on two sides of the interior of the cylinder (1) by partition means (12), and the iron balls (13) are elliptical, and the diameter of the iron ball (13) on one side of the partition means (12) is larger than that of the iron ball (13) on the other side thereof.
Priority Applications (1)
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|---|---|---|---|
| CN202011191994.1A CN112473889A (en) | 2020-10-30 | 2020-10-30 | Processing technology of cement clinker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011191994.1A CN112473889A (en) | 2020-10-30 | 2020-10-30 | Processing technology of cement clinker |
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| CN112473889A true CN112473889A (en) | 2021-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116116518A (en) * | 2023-02-23 | 2023-05-16 | 阳新娲石水泥有限公司 | Superfine grinding device and method for cement production |
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| CN210357516U (en) * | 2019-07-22 | 2020-04-21 | 江西玉兔水泥有限公司 | Ball-milling structure for cement manufacture |
| CN111111856A (en) * | 2019-12-17 | 2020-05-08 | 江苏双星特钢有限公司 | Anti-blocking type compartment plate structure |
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| EP0003878A2 (en) * | 1978-02-27 | 1979-09-05 | F.L. Smidth & Co. A/S | Grinding tube mill |
| JPH0531386A (en) * | 1991-03-29 | 1993-02-09 | Kurimoto Ltd | Composite partition blade of ball mill |
| JP3261125B1 (en) * | 2001-07-06 | 2002-02-25 | 有限会社大東土木 | Attritor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116116518A (en) * | 2023-02-23 | 2023-05-16 | 阳新娲石水泥有限公司 | Superfine grinding device and method for cement production |
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Application publication date: 20210312 |