CN214487837U

CN214487837U - Screening plant of raw materials for processing of slay miropowder

Info

Publication number: CN214487837U
Application number: CN202120371295.9U
Authority: CN
Inventors: 安少伟; 赵文能
Original assignee: Qujing Malong Yaocheng Material Comprehensive Utilization Co ltd
Current assignee: Qujing Malong Yaocheng Material Comprehensive Utilization Co ltd
Priority date: 2021-02-16
Filing date: 2021-02-16
Publication date: 2021-10-26
Anticipated expiration: 2031-02-16

Abstract

The utility model discloses a sieving mechanism of raw materials is used in slay miropowder processing, including the top cap, urceolus and bottom plate, the inside of urceolus is provided with inner tube and swash plate, the bottom of swash plate sets up the vibration exciter, be provided with pillar and spring between swash plate and the bottom plate, the upper end of inner tube is provided with the screen cloth, be provided with rabbling mechanism in the urceolus of screen cloth top, sliding connection has a lift section of thick bamboo on the outer wall on inner tube upper portion, be provided with the oblique awl in the inner tube of screen cloth below, processing has a plurality of through-holes on the oblique awl, the below slope of oblique awl is provided with a sieve section of thick bamboo, the coaxial pivot that is provided with in the sieve section of thick bamboo, be provided with the lifting blade in the pivot, from the bottom up has processed first through-hole and second through-hole in proper order on the lateral wall of urceolus, thin material pipe has been worn to the activity in the first through-hole, the second through-hole activity is worn to be equipped with the well material pipe with the coaxial setting of sieve section of thick bamboo, the bottom of urceolus is provided with thick material pipe. The utility model discloses screening is effectual, and work efficiency is high, and degree of automation is high, has apparent economic value and social value.

Description

Screening plant of raw materials for processing of slay miropowder

Technical Field

The utility model relates to a slay miropowder processing equipment technical field, concretely relates to screening plant of raw materials is used in slay miropowder processing.

Background

The blast furnace granulated slag is the slag with the largest output in the blast furnace metallurgical process, the converter steel slag is the waste slag generated by converter steel making, a large amount of blast furnace granulated slag and converter steel slag are generated every year by steel enterprises in China, the raw materials can not be effectively utilized once, the materials are piled up like mountains in piling areas of large steel plants, a large amount of land is occupied, weathering activity is lost after long-term piling, waste is caused, the environment is polluted, and how to treat the granulated slag and the steel slag becomes a big problem which troubles the steel enterprises. The method is better to obtain the slag micro powder by grinding the blast furnace granulated slag and the converter steel slag into the ultra-fine powder, and the chemical components of the slag micro powder are mainly SiO₂、Al₂O₃、CaO、MgO、Fe₂O₃、TiO₂、MnO₂The cement additive contains more than 95 percent of glass body and minerals such as dicalcium silicate, gehlenite, wollastonite and the like, has ultrahigh activity close to the components of cement, is mainly used for being blended in cement and added into commercial concrete, has different utilization modes, and is mainly represented by three utilization modes: the slag micro powder replaces the cement consumption in concrete and cement products with various purposes in equal amount in the form of an additive, an admixture and a main admixture, can obviously improve the comprehensive performance of the concrete and the cement products, is a novel green building material, and has ever-increasing requirements in recent years along with the development of urbanization construction, and the requirements of the slag micro powder are increased.

Blast furnace granulated slag and converter steel slag are used as important raw materials of slag micropowder, wherein some blocks with larger particles are often generated, when the blocks with larger sizes are conveyed to a vertical mill for grinding, because the block diameters of the raw materials are different, the feed inlet of the vertical mill is easy to block, the vibration of the vertical mill is aggravated when the vertical mill runs, the time is long, and even the damage of the vertical mill is caused, in addition, the granularity of the produced slag micropowder product is uneven, the particle diameter of micropowder is larger and the like, in order to avoid the problems, the raw materials such as the blast furnace granulated slag, the converter steel slag and the like are sieved before entering the vertical mill, but when the raw materials are sieved by the existing sieving device, the problems of unreasonable structure, unsatisfactory sieving effect, low working efficiency and the like often exist, secondly, part of the sieving device also needs to participate in a plurality of manual work in the sieving process, the labor intensity of workers is high, is not beneficial to the high-efficiency production of the slag micro powder. Therefore, it is objectively needed to develop a screening device for raw materials for slag micro powder processing, which has good screening effect, high working efficiency and high degree of automation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screening plant of raw materials is used in processing of slay miropowder that screening is effectual, and work efficiency is high, and degree of automation is high.

The utility model aims at realizing the purpose, which comprises a top cover, an outer cylinder and a bottom plate which are connected in sequence from top to bottom, wherein the inner cylinder is coaxially arranged inside the outer cylinder, the lower end of the inner cylinder is obliquely provided with an inclined plate, the bottom of the inclined plate is provided with a vibration exciter, a plurality of pillars are evenly distributed on the bottom plate in the circumference, each pillar is provided with a spring, the upper end of the spring is fixedly connected with the lower surface of the inclined plate, the upper end of the inner cylinder is provided with a screen, the top cover above the screen is provided with a feeding pipe, a stirring shaft is coaxially arranged in the outer cylinder above the screen, a plurality of groups of stirring paddles are arranged on the stirring shaft at intervals from top to bottom, each group of stirring paddles comprises a plurality of stirring blades which are evenly distributed on the stirring shaft in the circumference, the lower end surfaces of all the stirring blades of the bottommost group of stirring paddles are contacted with the upper surface of the screen, a stirring motor is arranged on the top cover, the top cover is connected with the output shaft in a transmission way, a plurality of slideways are uniformly distributed on the outer wall of the upper part of the inner cylinder along the vertical circumference, a lifting cylinder is connected on each slideway in a sliding way, a plurality of waist-shaped holes are vertically processed on the upper part of the outer cylinder, a connecting rod is movably inserted in each waist-shaped hole, the inner end of each connecting rod is connected with the outer wall of the lifting cylinder, the outer end of each connecting rod is connected with a cylinder, a cylinder seat of the cylinder is installed on the outer wall of the outer cylinder, an inclined cone with a large upper end and a small lower end is arranged in the inner cylinder below the screen mesh, a plurality of through holes are processed on the inclined cone, a screen cylinder is obliquely arranged below the inclined cone, the lower end of the inclined cone is communicated with the top of the higher end of the screen cylinder through a discharging pipe, the higher end of the screen cylinder is fixed on the inner wall of the inner cylinder, the lower end of the screen cylinder extends out of the outer side of the inner cylinder, a rotating shaft is coaxially arranged in the screen cylinder, a lifting plate is arranged on the rotating shaft, the higher end of the rotating shaft penetrates through the side wall of the inner cylinder and is connected with a rotating motor installed on the inner cylinder in a transmission way, the lower one end is provided with the bearing, and the outer lane of bearing passes through the support to be fixed on the inner wall of a sieve section of thick bamboo, and from the bottom up has processed first through-hole and second through-hole in proper order on the lateral wall of urceolus, and the thin material pipe is worn to be equipped with in the activity of first through-hole, and the inner of thin material pipe and the inner tube intercommunication of the lower end top of swash plate, and the well material pipe that is equipped with sieve section of thick bamboo coaxial setting is worn to the activity in the second through-hole, and the inner of well material pipe communicates with the inner tube in the lower end outside of a sieve section of thick bamboo.

Furthermore, the top cover and the outer cylinder are fixedly connected by adopting a flange, a bolt and a nut.

Furthermore, a ring groove matched with the lifting cylinder is processed on the lower surface of the top cover.

Furthermore, the thin material pipe is obliquely arranged, and the inner end of the thin material pipe is higher than the outer end of the thin material pipe.

Furthermore, a first exhaust branch pipe is arranged on a top cover above the screen, a second exhaust branch pipe is arranged on the upper portion of the outer barrel, an exhaust main pipe is arranged on the outer side of the outer barrel, the air outlet ends of the first exhaust branch pipe and the second exhaust branch pipe are communicated with the exhaust main pipe, and an exhaust fan is arranged on the exhaust main pipe.

Further, a casing is arranged on the outer side of the rotating motor.

Before the utility model is operated, the cylinder is opened, the cylinder drives the connecting rod to move upwards, the connecting rod drives the lifting cylinder to move upwards until the upper end of the lifting cylinder is pressed against the top cover, raw materials such as blast furnace water slag, converter steel slag and the like are fed into the device from the feeding pipe, the stirring motor is opened, the stirring motor drives the stirring shaft and the stirring paddle to rotate, the stirring paddle continuously stirs various raw materials in the rotating process, particles with smaller particle diameters in the raw materials can smoothly and thoroughly pass through the screen mesh, large-particle raw materials are retained on the screen mesh, when large-particle raw materials on the screen mesh are accumulated to a certain height, the cylinder is opened again, the cylinder sequentially drives the connecting rod and the lifting cylinder to move downwards, the large-particle raw materials on the screen mesh continuously roll around under the stirring of the stirring paddle, finally fall onto the bottom plate from a gap between the outer cylinder and the inner cylinder and are discharged from the coarse material pipe, meanwhile, the raw materials falling from the screen mesh fall onto the oblique cone, in the process of falling of raw materials along the inclined cone, wherein partial thinner particles are discharged from the through hole of the inclined cone, and discharged from the fine material pipe after falling onto the inclined plate, while most of the raw materials fall into the screen cylinder from the discharging pipe, at the moment, the rotating motor is started, the rotating motor drives the rotating shaft and the lifting blade to rotate, the raw materials move downwards along the screen cylinder under the action of self gravity, and are simultaneously subjected to the lifting action of the lifting blade, so that the finest raw materials can pass through the screen holes of the screen cylinder and fall off, and finally discharged from the fine material pipe, and the larger raw materials which cannot pass through the screen holes of the screen cylinder fall off from the lower end of the screen cylinder to the middle material pipe and are discharged, in the process, the vibration exciter on the inclined plate is always in an open state, the generated vibration is continuously transmitted to each part on the inner cylinder and the inner cylinder, the screening efficiency of the screen, the inclined cone and the screen cylinder can be improved, and the whole operation process basically does not need manual participation, the working efficiency is higher. The utility model discloses screening is effectual, and work efficiency is high, and degree of automation is high, has apparent economic value and social value.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1-top cover, 2-outer cylinder, 3-bottom plate, 4-inner cylinder, 5-inclined plate, 6-vibration exciter, 7-pillar, 8-spring, 9-screen, 10-feeding pipe, 11-stirring shaft, 12-stirring blade, 13-stirring motor, 14-lifting cylinder, 15-waist-shaped hole, 16-connecting rod, 17-air cylinder, 18-inclined cone, 19-screen cylinder, 20-rotating shaft, 21-lifting blade, 22-rotating motor, 23-fine material pipe, 24-medium material pipe, 25-flange, 26-first exhaust branch pipe, 27-second exhaust branch pipe, 28-exhaust main pipe, 29-exhaust fan, 30-machine shell, 31-discharging pipe and 32-coarse material pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.

As shown in figure 1, the utility model comprises a top cover 1, an outer cylinder 2 and a bottom plate 3 which are connected in sequence from top to bottom, an inner cylinder 4 is coaxially arranged in the outer cylinder 2, an inclined plate 5 is obliquely arranged at the lower end of the inner cylinder 4, a vibration exciter 6 is arranged at the bottom of the inclined plate 5, a plurality of support columns 7 are uniformly distributed on the circumference of the bottom plate 3, a spring 8 is arranged on each support column 7, the upper end of the spring 8 is fixedly connected with the lower surface of the inclined plate 5, a screen 9 is arranged at the upper end of the inner cylinder 4, a feed pipe 10 is arranged on the top cover 1 above the screen 9, a stirring shaft 11 is coaxially arranged in the outer cylinder 2 above the screen 9, a plurality of groups of stirring paddles are arranged at intervals up and down on the stirring shaft 11, each group of stirring paddles comprises a plurality of stirring blades 12 which are circumferentially and uniformly distributed on the stirring shaft 11, wherein the lower end faces of all the stirring blades 12 of the bottommost group of stirring paddles are contacted with the upper surface of the screen 9, a stirring motor 13 is arranged on the top cover 1, the upper end of a stirring shaft 11 penetrates through the top cover 1 and then is in transmission connection with an output shaft of the stirring motor 13, a plurality of slideways are uniformly distributed on the outer wall of the upper part of the inner barrel 4 along the vertical circumference, a lifting barrel 14 is connected on the slideways in a sliding way, a plurality of waist-shaped holes 15 are vertically processed on the upper part of the outer barrel 2, a connecting rod 16 is movably inserted in each waist-shaped hole 15, the inner end of the connecting rod 16 is connected with the outer wall of the lifting barrel 14, the outer end of the connecting rod 16 is connected with an air cylinder 17, a cylinder base of the air cylinder 17 is arranged on the outer wall of the outer barrel 2, an inclined cone 18 with a large upper end and a small lower end is arranged in the inner barrel 4 below the screen mesh 9, a plurality of through holes are processed on the inclined cone 18, a screen barrel 19 is obliquely arranged below the inclined cone 18, the lower end of the inclined cone 18 is communicated with the top of the higher end of the screen barrel 19 through a discharging pipe 31, the higher end of the screen barrel 19 is fixed on the inner wall of the inner barrel 4, the lower end of the rotating shaft 20 is extended out of the inner cylinder 4, the rotating shaft 20 is coaxially arranged in the screen drum 19, the lifting plate 21 is arranged on the rotating shaft 20, the higher end of the rotating shaft 20 penetrates through the side wall of the inner cylinder 4 and then is in transmission connection with a rotating motor 22 arranged on the inner cylinder 4, the lower end of the rotating shaft is provided with a bearing, the outer ring of the bearing is fixed on the inner wall of the screen drum 19 through a support, a first through hole and a second through hole are sequentially processed on the side wall of the outer cylinder 2 from bottom to top, a fine material pipe 23 is movably arranged in the first through hole in a penetrating mode, the inner end of the fine material pipe 23 is communicated with the inner cylinder 4 above the lower end of the inclined plate 5, a middle material pipe 24 coaxially arranged with the screen drum 19 is movably arranged in the second through hole in a penetrating mode, the inner end of the middle material pipe 24 is communicated with the inner cylinder 4 outside the lower end of the screen drum 19, and a coarse material pipe 32 is arranged on the outer cylinder 2 above the lower end of the bottom plate 3.

Before the utility model is operated, the cylinder 17 is opened, the cylinder 17 drives the connecting rod 16 to move upwards, the connecting rod 16 drives the lifting cylinder 14 to move upwards until the upper end of the lifting cylinder 14 is abutted on the top cover 2, raw materials such as blast furnace water slag and converter steel slag are fed into the device from the feeding pipe 10, the stirring motor 13 is opened, the stirring motor 13 drives the stirring shaft 11 and the stirring paddle to rotate, the stirring paddle continuously stirs various raw materials in the rotating process, so that particles with smaller particle diameters in the raw materials smoothly and thoroughly pass through the screen 9, large-particle raw materials are retained on the screen 9, when large-particle raw materials on the screen 9 are accumulated to a certain height, the cylinder 17 is opened again, the cylinder 17 sequentially drives the connecting rod 16 and the lifting cylinder 14 to move downwards, the large-particle raw materials on the screen 9 continuously roll around under the stirring of the stirring paddle, finally, the large-particle raw materials fall to the bottom plate 3 from the gap between the outer cylinder 2 and the inner cylinder 4 and are discharged from the coarse material pipe 32, meanwhile, the raw material falling from the screen 9 falls on the inclined cone 18, in the process of falling along the inclined cone 18, part of the finer particles are discharged from the through holes of the inclined cone 18, the fine material pipe 23 is discharged after falling on the inclined plate 5, most of the raw material falls into the screen cylinder 19 from the discharging pipe 31, at this time, the rotating motor 22 is started, the rotating motor 22 drives the rotating shaft 20 and the lifting blade 21 to rotate, the raw material moves downwards along the screen cylinder 19 under the action of self gravity and is simultaneously subjected to the lifting action of the lifting blade 21, so that the finest particle raw material can pass through the screen holes of the screen cylinder 19 to fall, and finally is discharged from the fine material pipe 23, the larger particle raw material which cannot pass through the screen holes of the screen cylinder 19 falls from the lower end of the screen cylinder 19 to the middle material pipe 24, in the process, the vibration exciter 6 on the inclined plate 5 is always in an open state, and the generated vibration is continuously transmitted to each part on the inner cylinder 4 and the inner cylinder 4, the screening efficiency of the screen 9, the oblique cone 18 and the screen drum 19 can be improved, manual participation is basically not needed in the whole operation process, and the working efficiency is high.

For the convenience of installation and disassembly of the utility model, the top cover 1 and the outer barrel 2 are fastened and connected by a flange 25, a bolt and a nut.

The lower surface of top cap 1 is processed and is had the annular with a section of thick bamboo 14 assorted, when moving for in the annular is stretched into to the upper end of a section of thick bamboo 14, can play limiting displacement to a section of thick bamboo 14 like this, prevents its condition of skew or rocking.

The thin material pipe 23 is obliquely arranged, the inner end of the thin material pipe 23 is higher than the outer end of the thin material pipe 23, and the obliquely arranged thin material pipe 23 is beneficial to discharging raw materials and prevents the raw materials from being blocked in the thin material pipe 23.

Be provided with first exhaust branch 26 on the top cap 1 of screen cloth 9 top, the upper portion of urceolus 2 is provided with second exhaust branch 27, the outside of urceolus 2 is provided with exhaust manifold 28, the end of giving vent to anger of first exhaust branch 26 and second exhaust branch 27 all communicates with exhaust manifold 28, be provided with air exhauster 29 on the exhaust manifold 28, the raw materials accomplishes the screening in this device inside, can produce the dust in screening process unavoidably, in order to prevent that these dust from escaping to cause the pollution of surrounding environment, use air exhauster 29 to wrap up in the inside gas that has the dust of device and inhale away, after the dust removal, the dust of collecting can return to the vertical mill of system and grind, all the other gases are discharged after purification treatment.

The casing 30 is disposed outside the rotating motor 22, the rotating motor 22 is disposed on the outer wall of the inner cylinder 4 and may be damaged by falling raw materials, and the casing 30 protects the rotating motor 22 inside, so as to prevent the rotating motor 22 from being damaged by the raw materials and prevent fly ash from falling into the rotating motor 22, thereby effectively prolonging the service life of the rotating motor 22.

Claims

1. The utility model provides a sieving mechanism of raw materials is used in processing of slay miropowder which characterized in that: comprises a top cover (1), an outer cylinder (2) and a bottom plate (3) which are obliquely arranged from top to bottom and are sequentially connected, wherein an inner cylinder (4) is coaxially arranged in the outer cylinder (2), an inclined plate (5) is obliquely arranged at the lower end of the inner cylinder (4), a vibration exciter (6) is arranged at the bottom of the inclined plate (5), a plurality of pillars (7) are uniformly distributed on the bottom plate (3) along the circumference, a spring (8) is arranged on each pillar (7), the upper end of the spring (8) is fixedly connected with the lower surface of the inclined plate (5), a screen (9) is arranged at the upper end of the inner cylinder (4), a feeding pipe (10) is arranged on the top cover (1) above the screen (9), a stirring shaft (11) is coaxially arranged in the outer cylinder (2) above the screen (9), a plurality of groups of stirring paddles are arranged at intervals from top to bottom of the stirring shaft (11), and each group of stirring paddles comprises a plurality of stirring blades (12) which are uniformly distributed on the stirring shaft (11) along the circumference, wherein the lower end faces of all stirring blades (12) of a group of stirring paddles at the bottommost part are in contact with the upper surface of the screen (9), a stirring motor (13) is installed on the top cover (1), the upper end of a stirring shaft (11) penetrates through the top cover (1) and then is in transmission connection with an output shaft of the stirring motor (13), a plurality of slideways are uniformly distributed on the outer wall of the upper part of the inner barrel (4) along the vertical circumference, a lifting barrel (14) is connected on the slideways in a sliding manner, a plurality of waist-shaped holes (15) are vertically processed on the upper part of the outer barrel (2), a connecting rod (16) is movably inserted in each waist-shaped hole (15), the inner end of the connecting rod (16) is connected with the outer wall of the lifting barrel (14), the outer end of the connecting rod (16) is connected with an air cylinder (17), a cylinder seat of the air cylinder (17) is installed on the outer wall of the outer barrel (2), and an inclined cone (18) with a large upper end and a small end is arranged in the inner barrel (4) below the screen (9), a plurality of through holes are processed on the oblique cone (18), a screen cylinder (19) is obliquely arranged below the oblique cone (18), the lower end of the oblique cone (18) is communicated with the top of the higher end of the screen cylinder (19) through a blanking pipe (31), the higher end of the screen cylinder (19) is fixed on the inner wall of the inner cylinder (4), the lower end of the screen cylinder extends out of the outer side of the inner cylinder (4), a rotating shaft (20) is coaxially arranged in the screen cylinder (19), a lifting plate (21) is arranged on the rotating shaft (20), the higher end of the rotating shaft (20) penetrates through the side wall of the inner cylinder (4) and then is in transmission connection with a rotating motor (22) arranged on the inner cylinder (4), a bearing is arranged at the lower end of the screen cylinder, the outer ring of the bearing is fixed on the inner wall of the screen cylinder (19) through a support, a first through hole and a second through hole are sequentially processed from bottom to top on the side wall of the outer cylinder (2), a fine material pipe (23) is movably arranged in the first through hole, the inner end of the fine material pipe (23) is communicated with the inner cylinder (4) above the lower end of the inclined plate (5), the middle material pipe (24) which is coaxial with the screen cylinder (19) is movably arranged in the second through hole in a penetrating mode, the inner end of the middle material pipe (24) is communicated with the inner cylinder (4) outside the lower end of the screen cylinder (19), and the outer cylinder (2) above the lower end of the bottom plate (3) is provided with the coarse material pipe (32).

2. The device for screening a raw material for slag micropowder processing according to claim 1, wherein the top cover (1) and the outer cylinder (2) are fastened and connected by a flange (25), a bolt and a nut.

3. The device for screening a raw material for slag micropowder processing according to claim 1, wherein a ring groove matched with the lifting cylinder (14) is formed on the lower surface of the top cover (1).

4. The screening device of raw materials for slag micropowder processing according to claim 1, characterized in that the fine material pipe (23) is arranged obliquely, and the inner end of the fine material pipe (23) is higher than the outer end of the fine material pipe (23).

5. The device for screening raw materials for slag micropowder processing according to claim 1, characterized in that a first exhaust branch pipe (26) is provided on the top cover (1) above the screen (9), a second exhaust branch pipe (27) is provided on the upper portion of the outer cylinder (2), an exhaust main pipe (28) is provided on the outside of the outer cylinder (2), the air outlet ends of the first exhaust branch pipe (26) and the second exhaust branch pipe (27) are both communicated with the exhaust main pipe (28), and an exhaust fan (29) is provided on the exhaust main pipe (28).

6. A screening apparatus of a raw material for fine slag powder processing according to claim 1, wherein a casing (30) is provided outside said rotary motor (22).