CN112159133A - Portland cement production line - Google Patents
Portland cement production line Download PDFInfo
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- CN112159133A CN112159133A CN202011018955.1A CN202011018955A CN112159133A CN 112159133 A CN112159133 A CN 112159133A CN 202011018955 A CN202011018955 A CN 202011018955A CN 112159133 A CN112159133 A CN 112159133A
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- crusher
- ball mill
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/48—Clinker treatment
- C04B7/52—Grinding ; After-treatment of ground cement
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- Crushing And Grinding (AREA)
Abstract
The invention provides a portland cement production line, which comprises a raw material tower, a crusher, a first ball mill rotary kiln, a second ball mill and a material storage tower, wherein the first ball mill and the second ball mill are respectively positioned at two sides of the rotary kiln, the crusher is arranged at one side of the first ball mill, a first spiral conveyer is movably arranged between the first ball mill and the crusher, the raw material tower is arranged at one side of the crusher, the material storage tower is arranged at one side of the second ball mill, which is far away from the rotary kiln, a third spiral conveyer is movably arranged between the material storage tower and the second ball mill, the portland cement production line combines crushing and homogenization, reduces the floor area and the production process, can remove metal impurities in the crushed raw materials, can prevent the feed inlet and discharge outlet of the crusher from being blocked, screens the ground cement, and returns the cement with overlarge particle size to the ball mill for continuous grinding, the production quality of cement is improved.
Description
Technical Field
The invention relates to the technical field of portland cement production, in particular to a portland cement production line.
Background
Hydraulic cementing materials, which are made by grinding silicate cement clinker mainly comprising calcium silicate, less than 5 percent of limestone or granulated blast furnace slag and a proper amount of gypsum, are collectively called silicate cement;
the production process of cement is simple, namely, the raw materials are cut, crushed, ground and uniformly mixed to prepare raw materials, the raw materials are sintered into clinker at high temperature, and the clinker is crushed and ground together with gypsum or other mixed materials to prepare the cement;
the comparison patent: the Chinese patent discloses a movable modularized cement production line, the patent application number is CN201721420330.1, which comprises a raw material batching module, a cement grinding module, a cement storage module, a cement packing and shipping module, an electrical control system module and a public system module, the whole production line is assembled in a lap joint mode on site by the containerization design of a structure and pre-assembling equipment, pipes, lines and the like arranged in the production line, and the movable modularized cement production line not only has great convenience characteristics in the aspects of transportation, installation, production operation and the like, but also has the functions of quick disassembly, assembly and production in different places;
although the device can be convenient for assemble and transport, when the raw materials containing metal impurities such as iron are subjected to cement production, the metal impurities in the raw materials cannot be removed, the quality of cement is influenced, meanwhile, the crusher and the homogenizer are independently arranged, the occupied area is large, the crusher is easy to block in feeding and discharging, the ball mill has the phenomenon of non-uniformity in grinding, and the particle size of part of the raw materials cannot meet the standard requirement.
Disclosure of Invention
The invention aims to provide a portland cement production line, which combines crushing and homogenization, reduces the floor area and production procedures, can remove metal impurities in crushed raw materials, can prevent a feed port and a discharge port of a crusher from being blocked, screens ground cement, returns cement with overlarge particle size to a ball mill for continuous grinding, and improves the production quality of the cement.
The invention provides a portland cement production line, which comprises a raw material tower, a crusher, a first ball mill rotary kiln, a second ball mill and a material storage tower, wherein the first ball mill and the second ball mill are respectively positioned at two sides of the rotary kiln;
the crusher comprises a screening mechanism, a crushing roller, a feed opening, a motor, a discharging bin and a material blocking mechanism, wherein the screening mechanism is arranged at the lower end of the inside of the crusher;
the inside movable mounting of feed bin has rabbling mechanism down, rabbling mechanism includes (mixing) shaft, fixing base, dead lever, puddler, drive wheel and belt, (mixing) shaft movable mounting is in the inside intermediate position of feed bin down, fixing base fixed mounting is both ends around the inside of (mixing) shaft, dead lever fixed mounting is between the internal surface of fixing base and (mixing) shaft, the puddler runs through to the inside of (mixing) shaft and fixing base, and the quantity of puddler is two, two puddler mutually perpendicular, drive wheel movable mounting is in the rear end surface intermediate position of feed bin down, and rotates between drive wheel and the (mixing) shaft to be connected, belt movable mounting is between drive wheel and motor spindle.
When the cement production line works, raw materials in the raw material tower are conveyed to the crusher to be crushed, the raw materials are blocked by the material blocking mechanism when being thrown into the crusher through the feed port, the situation that the raw materials are thrown too fast to cross the crushing roller and cause that part of the raw materials stop at one side of the upper end of the crushing roller far away from the feed port and cannot be crushed is avoided, after the raw materials are thrown into the crusher, the motor is started to drive the crushing roller to rotate, the raw materials are crushed by the crushing roller, the crushed raw materials fall into the lower storage bin through the screening mechanism, the traditional cement production line needs to be provided with the homogenizer to stir and homogenize the crushed raw materials, the production procedures are increased, the occupied area of the production line is increased, and the occupied area of the production line is increased by combining the homogenizer and the crusher, the occupied area of the production line is reduced, the production efficiency is improved, after the crushed raw materials fall into the lower, therefore when the motor during operation, the drive wheel also rotates along with the motor crankshaft through the belt in step, drive the (mixing) shaft when the drive wheel rotates and rotate, the puddler on the (mixing) shaft rotates along with the (mixing) shaft, utilize the puddler to homogenize the raw materials in the feed bin down, improve the homogenization rate of raw materials, later finely grind in carrying the raw materials after the homogenization to first ball mill through first screw conveyer, then carry the raw materials after levigating to the rotary kiln through second screw conveyer and heat and calcine, thereby change the raw material into the grog, later finely grind the cement once more in carrying the second ball mill with the grog, and carry the cement to storage tower in through the third screw conveyer and store.
Preferably, be equipped with edulcoration mechanism between (mixing) shaft and the puddler, edulcoration mechanism includes recess, impurity entry, closing cap and screw plug, the recess is seted up in the junction that the surface of (mixing) shaft corresponds puddler and (mixing) shaft, the impurity entry is seted up in the internal surface of recess, closing cap movable mounting is in the front end of (mixing) shaft, the rear end and the closing cap integrated into one piece of closing cap are located to the screw plug, the screw plug runs through in the inside of (mixing) shaft, the closing cap passes through threaded connection between screw plug and the (mixing) shaft, the puddler can with carry out relative displacement between (mixing) shaft and the fixing base, the puddler is the magnet stick, the both ends of puddler are the scarf, and the rotation direction of miscut direction for the.
Because the cement raw materials are various, iron ore contains a large amount of iron metal, the iron metal needs to be removed after the raw materials are crushed, otherwise, the quality of cement can be influenced, the crushed raw materials fall into a lower storage bin to be stirred and homogenized by a stirring mechanism, the stirring rod can be contacted with the raw materials in the stirring process, the iron metal in the raw materials can be adsorbed on the surface of the stirring rod because the stirring rod is a magnet rod, and the bottom of a screening mechanism is a downward arc-shaped surface, so that the stirring rod can be butted with the bottom of the screening mechanism during stirring, and the stirring rod and a stirring shaft are movably arranged, so that the screening mechanism applies an opposite acting force to the stirring rod by utilizing the inclined planes at the two ends of the stirring rod when the stirring rod is contacted with the screening mechanism, the stirring rod moves downwards along the inner part of the stirring shaft, the stirring rod is short in the top and long in the bottom, and the stirring mechanism can normally work, when the puddler contracts to (mixing) shaft inside, can contact with the cell wall of the epaxial recess of (mixing) to scrape down the iron metal that will adhere to on the puddler, the iron metal that scrapes passes through impurity entry landing to the inside of (mixing) shaft, wait to open down the feed bin after the production, take off the closing cap of (mixing) shaft front end through rotating, then clear up the inside iron metal of (mixing) shaft, later again with the screw plug on the closing cap run through to the inside of (mixing) shaft with (mixing) shaft threaded connection can.
Preferably, screening mechanism includes first screen cloth, second spring and kicking block, second screen cloth movable mounting is in the lower extreme of first screen cloth, both ends position around second spring fixed mounting is between first screen cloth and second screen cloth, the upper end surface of second screen cloth is located to the kicking block, and the kicking block is the same with the sieve mesh quantity of first screen cloth and is located same perpendicular, the kicking block can run through to the inside of first screen cloth sieve mesh.
Because the irregular phenomenon exists after the raw materials are crushed, the raw materials can be clamped in the sieve pores when passing through the screening mechanism, thereby influencing the normal screening work of the raw materials, when the stirring mechanism carries out the stirring work, the stirring rod can be continuously contacted with the screening mechanism, the screening mechanism can also receive the opposite acting force of the stirring rod while applying force to the stirring rod, the stirring rod can be utilized to upwards push the second screen, the second screen is close to the first screen, and the ejector block on the second screen penetrates through the sieve pores on the first screen, thereby ejecting the raw materials clamped in the sieve pores, avoiding the influence of the blockage of the sieve pores on the screening work, the second spring is compressed and deformed, when the stirring rod passes through the screening mechanism, the stirring rod and the screening mechanism are not stressed any more, the second spring is reset at the moment, the second screen is pushed downwards, and the ejector block is separated from the sieve pores, reciprocating like this for the continuous up-and-down motion of second screen cloth, thereby produce the vibration, improve screening speed.
Preferably, the striker mechanism comprises a first spring, a striker plate and a hinge, the first spring is fixedly installed between the upper end position of the outer surface of one side of the striker plate and the inner surface of the crusher, the hinge is movably installed between one side of the outer surface of the upper end of the striker plate and one side of the inner surface of the upper end of the crusher, one side of the outer surface of the upper end of the striker plate is a bevel, a hole is formed in the striker plate, and the striker plate can rotate for forty-five degrees in the direction of the feed opening through the hinge.
The raw materials can be blocked by the baffle plate on the baffle mechanism when being thrown into the crusher through the feed opening, the raw materials with smaller particles directly pass through the baffle plate and fall into one side of the crusher, which is far away from the feed opening, and then fall into the lower storage bin through the screening mechanism, the raw materials with larger particles are blocked and crushed on one side of the outer surface of the upper end of the crushing roller, so that the situation that part of the raw materials are stopped on one side of the upper end of the crushing roller, which is far away from the feed opening, and cannot be crushed due to the fact that the raw materials are thrown into the crusher is avoided, meanwhile, the baffle plate can be pushed when the raw materials are thrown into the crusher, the baffle plate rotates towards the direction far away from the feed opening through the hinge, and the size of the feed opening is adjusted, at the moment, the first spring is flexible and deformed, the baffle plate continues to rotate along with the increase of the feed, because one side, which is far away from the feed opening, of, thereby avoid striker plate turned angle too big and lose the effect of blockking to the raw materials, simultaneously because the raw materials is in the wriggling state all the time when adding, consequently first spring on the striker plate also can follow the raw materials wriggling and stretch out and draw back to make striker plate horizontal vibration, can prevent effectively that the dog-house from receiving the raw materials jam, it is smooth and easy to have guaranteed to throw the material.
Preferably, the second screw conveyor and the third screw conveyor both comprise screw rods, material return pipes, material guide pipes and filtering mechanisms, the screw rods are movably mounted inside the second screw conveyor, the material return pipes are movably mounted between the upper end position of the outer surface of one side of the second screw conveyor and one side of the outer surface of the upper end of the first ball mill, the material guide pipes are movably mounted between the second screw conveyor and the rotary kiln, the material guide pipes are located below the material return pipes, and the filtering mechanisms are arranged at positions, corresponding to the material guide pipes, of the inner surface of the second screw conveyor.
The raw materials are ground by the first ball mill and the second ball mill and then are conveyed to the next step through the second spiral conveyer and the third spiral conveyer respectively, because the ground raw materials cannot meet the requirements after being ground by the first ball mill and the second ball mill due to the existence of excessive raw materials and other factors, the raw materials are lifted upwards by the spiral rods after entering the second spiral conveyer and the third spiral conveyer, when the raw materials are lifted to the filtering mechanism, the raw materials which reach the standard are filtered by the filtering mechanism, pass through the filtering mechanism and enter the material guide pipe to enter the next step, the raw materials which reach the standard are blocked inside the second spiral conveyer and the third spiral conveyer, continue to be lifted upwards by the spiral rods until reaching the position of the material return pipe, and fall back to the first ball mill and the second ball mill through the material return pipe to be ground for the second time, the raw materials entering the next procedure can reach the standard, so that the production quality of the cement is improved.
Preferably, filtering mechanism includes first filter screen, second filter screen and skewed tooth piece, first filter screen movable mounting is in one side of second filter screen, skewed tooth piece fixed mounting is in one side surface edge of first filter screen, and skewed tooth piece meshes with the helical blade on the hob mutually.
When the hob rotates, helical blade on the surface of the hob is meshed with helical teeth sheets on the filtering mechanism, so that the helical blades drive the first filter screen to rotate, the first filter screen and the second filter screen form relative rotation, the filtering mechanism can be prevented from being blocked by raw materials, and the speed of raw material filtering is guaranteed.
Advantageous effects
1. The raw materials in the raw material tower are conveyed to the crusher for crushing, the raw materials are blocked by the material blocking mechanism when being thrown into the crusher through the feed opening, the situation that the raw materials are thrown too fast and cross over the crushing roller, so that part of the raw materials stop at one side of the upper end of the crushing roller, which is far away from the feed opening, and cannot be crushed is avoided, after the raw materials are thrown into the crusher, the motor is started and drives the crushing roller to rotate, the raw materials are crushed by the crushing roller, the crushed raw materials fall into the discharging bin through the screening mechanism, the traditional cement production line needs to be provided with the homogenizer to stir and homogenize the crushed raw materials, so that the production procedures are increased, the occupied area of the production line is increased, and the occupied area of the production line is increased by combining the homogenizer and the crusher, the occupied area of the production line is reduced, the production efficiency is improved, after the crushed raw materials fall into, therefore, when the motor works, the driving wheel synchronously rotates along with the shaft of the motor through the belt, the driving wheel drives the stirring shaft to rotate when rotating, the stirring rod on the stirring shaft rotates along with the stirring shaft, and the raw materials in the lower storage bin are uniformly stirred by the stirring rod, so that the homogenization rate of the raw materials is improved;
2. because the cement raw materials are various, iron ore contains a large amount of iron metal, the iron metal needs to be removed after the raw materials are crushed, otherwise, the quality of cement can be influenced, the crushed raw materials fall into a lower storage bin to be stirred and homogenized by a stirring mechanism, the stirring rod can be contacted with the raw materials in the stirring process, the iron metal in the raw materials can be adsorbed on the surface of the stirring rod because the stirring rod is a magnet rod, and the bottom of a screening mechanism is a downward arc-shaped surface, so that the stirring rod can be butted with the bottom of the screening mechanism when the stirring mechanism stirs, and the stirring rod and a stirring shaft are movably arranged, so that the screening mechanism applies an opposite acting force to the stirring rod by utilizing the inclined planes at the two ends of the stirring rod when the stirring rod is contacted with the screening mechanism, the stirring rod moves downwards along the inside of the stirring shaft, and the stirring rod is short in top and, therefore, the stirring mechanism can work normally during stirring, when the stirring rod shrinks towards the inside of the stirring shaft, the stirring rod can be in contact with the groove wall of the groove on the stirring shaft, so that iron metal attached to the stirring rod is scraped, the scraped iron metal slides into the stirring shaft through the impurity inlet, the blanking bin is opened after production is finished, the sealing cover at the front end of the stirring shaft is removed through rotation, then the iron metal in the stirring shaft is cleaned, and then the threaded plug on the sealing cover penetrates into the inside of the stirring shaft and is in threaded connection with the stirring shaft;
3. the raw materials can be blocked by the baffle plate on the baffle mechanism when being thrown into the crusher through the feed opening, the raw materials with smaller particles directly pass through the baffle plate and fall into one side of the crusher, which is far away from the feed opening, and then fall into the lower storage bin through the screening mechanism, the raw materials with larger particles are blocked and crushed on one side of the outer surface of the upper end of the crushing roller, so that the situation that part of the raw materials are stopped on one side of the upper end of the crushing roller, which is far away from the feed opening, and cannot be crushed due to the fact that the raw materials are thrown into the crusher is avoided, meanwhile, the baffle plate can be pushed when the raw materials are thrown into the crusher, the baffle plate rotates towards the direction far away from the feed opening through the hinge, and the size of the feed opening is adjusted, at the moment, the first spring is flexible and deformed, the baffle plate continues to rotate along with the increase of the feed, because one side, which is far away from the feed opening, of, thereby avoid striker plate turned angle too big and lose the effect of blockking to the raw materials, simultaneously because the raw materials is in the wriggling state all the time when adding, consequently first spring on the striker plate also can follow the raw materials wriggling and stretch out and draw back to make striker plate horizontal vibration, can prevent effectively that the dog-house from receiving the raw materials jam, it is smooth and easy to have guaranteed to throw the material.
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 cross-sectional view of the crusher of the present invention;
FIG. 3 is a view of the present invention showing the combination of the stirring shaft and the stirring rod;
FIG. 4 is a view of the motor and drive wheel combination of the present invention;
FIG. 5 is a schematic view of the structure of the trash removal mechanism of the present invention;
FIG. 6 is a schematic view of the screening mechanism of the present invention;
FIG. 7 is a schematic representation of a second screen configuration of the present invention;
fig. 8 is a schematic structural view of a stock stop of the invention;
FIG. 9 is an inside view of a second screw conveyor and a third screw conveyor of the present invention;
fig. 10 is a schematic view of the filter mechanism of the present invention.
Description of reference numerals:
1. a feed column; 2. a crusher; 21. a screening mechanism; 211. a first screen; 212. a second screen; 213. a second spring; 214. a top block; 22. a crushing roller; 23. a feeding port; 24. a motor; 25. discharging a bin; 26. a stirring mechanism; 261. a stirring shaft; 262. a fixed seat; 263. fixing the rod; 264. a stirring rod; 265. a driving wheel; 266. a belt; 27. an impurity removal mechanism; 271. a groove; 272. an impurity inlet; 273. sealing the cover; 274. a threaded plug; 28. a stock stop mechanism; 281. a first spring; 282. a striker plate; 283. a hinge; 3. a first ball mill; 4. a rotary kiln; 5. a second ball mill; 6. a material storage tower; 7. a first screw conveyor; 8. a second screw conveyor; 81. a screw rod; 82. a material return pipe; 83. a material guide pipe; 84. a filtering mechanism; 841. a first filter screen; 842. a second filter screen; 843. a skewed tooth sheet; 9. a third screw conveyor.
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 8, the present invention provides a technical solution:
a portland cement production line, as shown in fig. 1 to 5, comprising a raw material tower 1, a crusher 2, a first ball mill 3, a rotary kiln 4, a second ball mill 5 and a material storage tower 6, wherein the first ball mill 3 and the second ball mill 5 are respectively located at two sides of the rotary kiln 4, the crusher 2 is arranged at one side of the first ball mill 3, a first screw conveyor 7 is movably arranged between the first ball mill 3 and the crusher 2, the raw material tower 1 is arranged at one side of the crusher 2, the material storage tower 6 is arranged at one side of the second ball mill 5 far away from the rotary kiln 4, a third screw conveyor 9 is movably arranged between the material storage tower 6 and the second ball mill 5, and a second screw conveyor 8 is movably arranged between the rotary kiln 4 and the first ball mill 3;
the crusher 2 comprises a screening mechanism 21, a crushing roller 22, a feed opening 23, a motor 24, a lower storage bin 25 and a material blocking mechanism 28, wherein the screening mechanism 21 is arranged at the inner lower end of the crusher 2, the crushing roller 22 is movably arranged at the middle position in the crusher 2, the feed opening 23 is arranged at the upper end of the outer surface of one side of the crusher 2, the motor 24 is movably arranged at the middle position of the outer surface of the rear end of the crusher 2, the motor 24 is rotatably connected with the crushing roller 22, the lower storage bin 25 is arranged at the middle position of the outer surface of the lower end of the crusher 2, and the material blocking mechanism 28 is movably arranged at one side, close to the feed opening 23, of the inner upper end of the crusher 2;
the stirring mechanism 26 is movably mounted in the lower bin 25, the stirring mechanism 26 comprises a stirring shaft 261, a fixed seat 262, a fixed rod 263, stirring rods 264, a driving wheel 265 and a belt 266, the stirring shaft 261 is movably mounted in the middle of the lower bin 25, the fixed seat 262 is fixedly mounted at the front end and the rear end of the inner part of the stirring shaft 261, the fixed rod 263 is fixedly mounted between the fixed seat 262 and the inner surface of the stirring shaft 261, the stirring rods 264 penetrate through the stirring shaft 261 and the fixed seat 262, the number of the stirring rods 264 is two, the two stirring rods 264 are perpendicular to each other, the driving wheel 265 is movably mounted in the middle of the outer surface of the rear end of the lower bin 25, the driving wheel 265 is rotatably connected with the stirring shaft 261, and the belt 266 is movably mounted between the driving wheel 265;
during operation, the raw materials in the raw material tower 1 are conveyed to the crusher 2 for crushing, the raw materials are blocked by the material blocking mechanism 28 when being thrown into the crusher 2 through the feed port 23, the situation that the raw materials are thrown too fast and cross the crushing roller 22 to cause that part of the raw materials stop at one side of the upper end of the crushing roller 22 far away from the feed port 23 and cannot be crushed is avoided, after the raw materials are thrown into the crusher 2, the motor 24 is started and drives the crushing roller 22 to rotate, the crushing roller 22 is used for crushing the raw materials, the crushed raw materials fall into the lower storage bin 25 through the screening mechanism 21, the traditional cement production line needs to be provided with the homogenizer alone for stirring and homogenizing the crushed raw materials, the production procedures are increased, the floor area of the production line is increased, the floor area of the production line can be reduced and the production efficiency can be improved by combining the homogenizer with the crusher 2, the crushed raw materials fall into the lower, since the driving wheel 265 at the rear end of the lower bin 25 is connected to the shaft of the motor 24 through the belt 266, therefore, when the motor 24 works, the driving wheel 265 synchronously rotates along with the shaft of the motor 24 through the belt 266, the driving wheel 265 drives the stirring shaft 261 to rotate when rotating, the stirring rod 264 on the stirring shaft 261 rotates along with the stirring shaft 261, the raw material in the blanking bin 25 is uniformly stirred by the stirring rod 264, the homogenization rate of the raw material is improved, then the homogenized raw material is conveyed to the first ball mill 3 through the first screw conveyor 7 to be ground, then the ground raw materials are conveyed to a rotary kiln 4 through a second screw conveyer 8 to be heated and calcined, thereby converting the raw materials into clinker, then conveying the clinker to the second ball mill 5 to be ground again to obtain cement, and conveying the cement to the storage tower 6 through the third screw conveyor 9 for storage.
As an embodiment of the present invention, as shown in fig. 2 and 5, an impurity removing mechanism 27 is disposed between the stirring shaft 261 and the stirring rod 264, the impurity removing mechanism 27 includes a concave groove 271, an impurity inlet 272, a cover 273 and a threaded plug 274, the concave groove 271 is opened on the outer surface of the stirring shaft 261 corresponding to the connection position of the stirring rod 264 and the stirring shaft 261, the impurity inlet 272 is opened on the inner surface of the concave groove 271, the cover 273 is movably mounted on the front end of the stirring shaft 261, the threaded plug 274 is integrally formed with the cover 273 on the rear end of the cover 273, the threaded plug 274 penetrates the stirring shaft 261, the cover 273 is connected with the stirring shaft 261 by the threaded plug 274, the stirring rod 264 can perform relative displacement with the stirring shaft 261 and the magnet holder 262, the stirring rod 264 is a rod, the two ends of the stirring rod 264 are chamfered surfaces, and the chamfered direction is the rotation direction of the stirring rod 264, because the types of cement raw materials are various, wherein iron ore contains a large amount of iron metal, when the raw materials are crushed, the iron metal needs to be removed, otherwise, the quality of cement can be affected, the crushed raw materials fall into the lower storage bin 25 to be stirred and homogenized by the stirring mechanism 26, the stirring rod 264 can not only be in contact with the raw materials in the stirring process, the iron metal in the raw materials can be adsorbed on the surface of the stirring rod 264 because the stirring rod 264 is a magnet rod, and the bottom of the screening mechanism 21 is a downward arc-shaped surface, so that the stirring rod 264 can be butted against the bottom of the screening mechanism 21 when the stirring mechanism 26 stirs, and by movably mounting the stirring rod 264 and the stirring shaft 261, when the stirring rod 264 contacts the screening mechanism 21, the screening mechanism 21 applies an opposite acting force to the stirring rod 264 by using the inclined planes at the two ends of the stirring rod 264, so that the stirring rod 264 moves downwards along the inside, make puddler 264 short-end-up, thereby rabbling mechanism 26 can normally work during the stirring, when puddler 264 is to the inside shrink of (mixing) shaft 261, can contact with the cell wall of recess 271 on the (mixing) shaft 261, thereby will adhere to the iron metal on puddler 264 and scrape down, the iron metal that scrapes down passes through impurity entry 272 landing to the inside of (mixing) shaft 261, treat to open down feed bin 25 after the production, take off the closing cap 273 of (mixing) shaft 261 front end through rotating, then clear up the iron metal of (mixing) shaft 261 inside, later again with the screw plug 274 on the closing cap 273 run through to the inside and (mixing) shaft 261 threaded connection of (mixing) shaft 261 can.
As an embodiment of the present invention, as shown in fig. 6 to 7, the sieving mechanism 21 includes a first sieve 211, a second sieve 212, a second spring 213 and a top block 214, the second sieve 212 is movably installed at the lower end of the first sieve 211, the second spring 213 is fixedly installed at the front and rear end positions between the first sieve 211 and the second sieve 212, the top block 214 is installed on the upper end outer surface of the second sieve 212, the number of the sieve holes of the top block 214 and the first sieve 211 is the same and is located on the same vertical plane, the top block 214 can penetrate into the sieve holes of the first sieve 211, the material is stuck in the sieve holes when passing through the sieving mechanism 21 due to the irregular shape after the material is crushed, thereby affecting the normal sieving operation of the material, when the stirring mechanism 26 performs the stirring operation, the stirring rod 264 is continuously contacted with the sieving mechanism 21, the sieving mechanism 21 is also subjected to the opposite force of the stirring rod 264, utilize puddler 264 can upwards promote second screen cloth 212, second screen cloth 212 is close to first screen cloth 211, and make kicking block 214 on the second screen cloth 212 run through among the sieve mesh on first screen cloth 211, thereby it is ejecting to block the raw materials in the sieve mesh, avoid the sieve mesh jam and influence screening work, second spring 213 receives compression deformation this moment, after puddler 264 crosses screening mechanism 21, puddler 264 and screening mechanism 21 are no longer atress each other, second spring 213 resets this moment, promote second screen cloth 212 downwards, make kicking block 214 break away from the sieve mesh, so reciprocating, make second screen cloth 212 constantly up-and-down motion, thereby produce the vibration, improve screening speed.
As an embodiment of the present invention, as shown in fig. 2 and 8, the striker 28 includes a first spring 281, a striker plate 282 and a hinge 283, the first spring 281 is fixedly installed between an upper end position of an outer surface of one side of the striker plate 282 and an inner surface of the crusher 2, the hinge 283 is movably installed between one side of an outer surface of an upper end of the striker plate 282 and one side of an inner surface of an upper end of the crusher 2, one side of the outer surface of the upper end of the striker plate 282 is a chamfered surface, a hole is formed in the striker plate 282, and the striker plate 282 can rotate by forty-five degrees towards the material inlet 23 through the hinge 283, when the material is thrown into the crusher 2 through the material inlet 23, the material is blocked by the striker plate 282 on the striker plate 28, the material with smaller particles directly passes through the striker plate 282 to fall into a side of the crusher 2 far away from the material inlet 23, and then falls into the lower bin 25 through, the raw material with larger particles is stopped to be crushed on one side of the outer surface of the upper end of the crushing roller 22, so that the situation that part of the raw material is stopped on one side of the upper end of the crushing roller 22, which is far away from the feed opening 23, and cannot be crushed due to the fact that the raw material is thrown into the crusher 2 too fast to push the striker plate 282 is avoided, so that the striker plate 282 rotates towards the direction far away from the feed opening 23 through a hinge 283, and the size of the feed opening 23 is adjusted, at the moment, the first spring 281 deforms in a stretching manner, the striker plate 282 continues to rotate along with the increase of the feed amount, because one side of the outer surface of the upper end of the striker plate 282, which is far away from the feed opening 23, is an edge, when the striker plate 282 rotates to be vertical to the upper end of the crusher 2, the situation that the edge is collided with the rotation angle of the striker plate 282 is too large to lose the, therefore, the first spring 281 on the baffle 282 can also stretch out and draw back along with the creeping of the raw material, so that the baffle 282 vibrates left and right, the feed opening 23 can be effectively prevented from being blocked by the raw material, and smooth feeding is ensured.
As an embodiment of the present invention, as shown in fig. 9 to 10, each of the second screw conveyor 8 and the third screw conveyor 9 includes a screw rod 81, a material return pipe 82, a material guide pipe 83 and a filtering mechanism 84, the screw rod 81 is movably installed inside the second screw conveyor 8, the material return pipe 82 is movably installed between an upper end position of an outer surface of one side of the second screw conveyor 8 and one side of an outer surface of an upper end of the first ball mill 3, the material guide pipe 83 is movably installed between the second screw conveyor 8 and the rotary kiln 4, the material guide pipe 83 is located below the material return pipe 82, the filtering mechanism 84 is installed on an inner surface of the second screw conveyor 8 corresponding to the material guide pipe 83, the filtering mechanism 84 includes a first strainer 841, a second strainer 842 and a helical blade 843, the first strainer 841 is movably installed on one side of the second strainer 842, the helical blade 843 is fixedly installed on an outer surface of one side of the first strainer 841, and the helical tooth sheets 843 are engaged with the helical blades on the helical rod 81, the raw materials are respectively conveyed to the next process step through the second helical conveyor 8 and the third helical conveyor 9 after being ground by the first ball mill 3 and the second ball mill 5, because of the existence of excessive raw materials and other factors, part of the raw materials can not meet the requirement after being ground by the first ball mill 3 and the second ball mill 5, when the ground raw materials enter the second helical conveyor 8 and the third helical conveyor 9, the raw materials are lifted upwards through the helical rod 81, when the raw materials are lifted to the filtering mechanism 84, the raw materials can be filtered through the filtering mechanism 84, the raw materials up to the standard pass through the filtering mechanism 84 to enter the material guide pipe 83 to enter the next process step, and the raw materials up to the standard are blocked inside the second helical conveyor 8 and the third helical conveyor 9 and continue to be lifted upwards by the helical rod 81, until the position of the feed back pipe 82 is reached, fall back to the first ball mill 3 and the second ball mill 5 through the feed back pipe 82 and carry out the secondary grinding, it is guaranteed that the raw materials entering the next process can reach the standard, thereby the production quality of cement is improved, when the hob 81 rotates, the helical blade on the surface thereof is meshed with the inclined teeth 843 on the filtering mechanism 84, thereby the first filter screen 841 is driven to rotate through the inclined teeth 843, the first filter screen 841 and the second filter screen 842 form relative rotation, the filtering mechanism 84 can be prevented from being blocked by the raw materials, and the speed of raw materials filtering is ensured.
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 portland cement production line comprises a raw material tower (1), a crusher (2), a first ball mill (3), a rotary kiln (4), a second ball mill (5) and a storage tower (6), it is characterized in that the first ball mill (3) and the second ball mill (5) are respectively positioned at two sides of the rotary kiln (4), the crusher (2) is arranged at one side of the first ball mill (3), a first screw conveyer (7) is movably arranged between the first ball mill (3) and the crusher (2), the raw material tower (1) is arranged at one side of the crusher (2), the material storage tower (6) is arranged at one side of the second ball mill (5) far away from the rotary kiln (4), a third screw conveyer (9) is movably arranged between the material storage tower (6) and the second ball mill (5), a second screw conveyor (8) is movably arranged between the rotary kiln (4) and the first ball mill (3);
the crusher (2) comprises a screening mechanism (21), a crushing roller (22), a feed opening (23), a motor (24), a lower storage bin (25) and a material blocking mechanism (28), wherein the screening mechanism (21) is arranged at the inner lower end of the crusher (2), the crushing roller (22) is movably arranged at the inner middle position of the crusher (2), the feed opening (23) is arranged at the upper end of the outer surface of one side of the crusher (2), the motor (24) is movably arranged at the middle position of the outer surface of the rear end of the crusher (2), the motor (24) is rotatably connected with the crushing roller (22), the lower storage bin (25) is arranged at the middle position of the outer surface of the lower end of the crusher (2), and the material blocking mechanism (28) is movably arranged at the inner upper end of the crusher (2) and close to one side of the feed opening (23);
the stirring mechanism (26) is movably arranged in the lower bin (25), the stirring mechanism (26) comprises a stirring shaft (261), a fixing seat (262), a fixing rod (263), a stirring rod (264), a transmission wheel (265) and a belt (266), the stirring shaft (261) is movably arranged in the middle of the inner part of the lower bin (25), the fixing seat (262) is fixedly arranged at the front end and the rear end of the inner part of the stirring shaft (261), the fixing rod (263) is fixedly arranged between the fixing seat (262) and the inner surface of the stirring shaft (261), the stirring rod (264) penetrates through the inner parts of the stirring shaft (261) and the fixing seat (262), the number of the stirring rods (264) is two, the two stirring rods (264) are vertical to each other, the transmission wheel (265) is movably arranged in the middle of the outer surface of the rear end of the lower bin (25), and the transmission wheel (265) is rotatably connected with the, the belt (266) is movably arranged between the driving wheel (265) and the shaft of the motor (24).
2. A portland cement production line as recited in claim 2, wherein an impurity removing mechanism (27) is provided between the stirring shaft (261) and the stirring rod (264), the impurity removing mechanism (27) comprises a groove (271), an impurity inlet (272), a cover (273) and a screw plug (274), the groove (271) is opened on the outer surface of the stirring shaft (261) corresponding to the connection between the stirring rod (264) and the stirring shaft (261), the impurity inlet (272) is opened on the inner surface of the groove (271), the cover (273) is movably mounted on the front end of the stirring shaft (261), the screw plug (274) is integrally formed with the cover (273) at the rear end of the cover (273), the screw plug (274) penetrates through the stirring shaft (261), and the cover (273) is connected with the stirring shaft (261) by screw threads between the screw plug (274) and the stirring shaft (261), the stirring rod (264) can perform relative displacement with the stirring shaft (261) and the fixed seat (262), the stirring rod (264) is a magnet rod, the two ends of the stirring rod (264) are oblique planes, and the oblique direction is the rotating direction of the stirring rod (264).
3. The portland cement production line according to claim 1, wherein the screening mechanism (21) comprises a first screen (211), a second screen (212), a second spring (213) and a top block (214), the second screen (212) is movably mounted at the lower end of the first screen (211), the second spring (213) is fixedly mounted between the first screen (211) and the second screen (212) at the front end and the rear end, the top block (214) is arranged on the outer surface of the upper end of the second screen (212), the number of the top blocks (214) is the same as that of the meshes of the first screen (211) and the top blocks (214) are positioned on the same vertical plane, and the top blocks (214) can penetrate into the meshes of the first screen (211).
4. The portland cement production line according to claim 1, wherein the striker mechanism (28) comprises a first spring (281), a striker plate (282) and a hinge (283), the first spring (281) is fixedly installed between an upper end position of an outer surface of one side of the striker plate (282) and an inner surface of the crusher (2), the hinge (283) is movably installed between one side of the outer surface of the upper end of the striker plate (282) and one side of the inner surface of the upper end of the crusher (2), one side of the outer surface of the upper end of the striker plate (282) is a chamfer, a hole is formed in the striker plate (282), and the striker plate (282) can rotate forty-five degrees in the direction of the feed opening (23) through the hinge (283).
5. The portland cement production line according to claim 1, wherein each of the second screw conveyor (8) and the third screw conveyor (9) comprises a screw rod (81), a material return pipe (82), a material guide pipe (83), and a filtering mechanism (84), the screw rod (81) is movably mounted inside the second screw conveyor (8), the material return pipe (82) is movably mounted between an upper end position of an outer surface of one side of the second screw conveyor (8) and one side of an outer surface of an upper end of the first ball mill (3), the material guide pipe (83) is movably mounted between the second screw conveyor (8) and the rotary kiln (4), the material guide pipe (83) is located below the material return pipe (82), and the filtering mechanism (84) is located on an inner surface of the second screw conveyor (8) at a position corresponding to the material guide pipe (83).
6. A portland cement production line as recited in claim 5, wherein the filtering mechanism (84) comprises a first filter screen (841), a second filter screen (842), and a helical blade (843), the first filter screen (841) is movably mounted on one side of the second filter screen (842), the helical blade (843) is fixedly mounted on an outer surface edge of one side of the first filter screen (841), and the helical blade (843) is engaged with the helical blade on the screw rod (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018955.1A CN112159133A (en) | 2020-09-24 | 2020-09-24 | Portland cement production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018955.1A CN112159133A (en) | 2020-09-24 | 2020-09-24 | Portland cement production line |
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| CN112159133A true CN112159133A (en) | 2021-01-01 |
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| CN202011018955.1A Withdrawn CN112159133A (en) | 2020-09-24 | 2020-09-24 | Portland cement production line |
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| CN111116067A (en) * | 2019-12-31 | 2020-05-08 | 杭州南山水泥有限公司 | Portland cement production line |
| CN113354316A (en) * | 2021-06-02 | 2021-09-07 | 高峰 | Portland cement automatic processing production line and production processing technology |
| CN115321847A (en) * | 2022-07-22 | 2022-11-11 | 高琪 | Portland cement production line |
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| CN115321847A (en) * | 2022-07-22 | 2022-11-11 | 高琪 | Portland cement production line |
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Application publication date: 20210101 |