CN217569550U

CN217569550U - Efficient screening plant for cement processing

Info

Publication number: CN217569550U
Application number: CN202220794633.4U
Authority: CN
Inventors: 伍小波; 陈鹏; 陈开宏
Original assignee: Zheng'an Southwest Cement Co ltd
Current assignee: Zheng'an Southwest Cement Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-14
Anticipated expiration: 2032-04-06

Abstract

The application discloses an efficient screening device for cement processing, which belongs to the technical field of screening devices and comprises a support frame and a screening mechanism, wherein two ends of the support frame are respectively and fixedly connected with a fixing plate; the screening mechanism comprises a screening barrel, wherein a feeding pipe is fixed at the center of a first cover plate, the feeding pipe is communicated with the inside of the screening barrel, one end of the feeding pipe, far away from the screening barrel, penetrates through a fixing plate at a higher position and is rotatably connected with the fixing plate, a second cover plate is rotatably connected with a fixing plate at a lower position, a motor is fixedly connected to the fixing plate at the lower position, an output shaft of the motor penetrates through the fixing plate and is fixedly connected with the center of the second cover plate, a discharge hole is formed in the edge of the second cover plate, and a discharge pipe is further arranged on the fixing plate at the lower position; the supporting frame is connected with a supporting rod, the supporting rod is fixedly connected with a hopper, the bottom of the hopper is connected with a material guide plate which inclines downwards, and the lower end of the material guide plate is positioned in the feeding pipe. The problem of present cement screening plant inefficiency has been solved to this scheme.

Description

Efficient screening plant for cement processing

Technical Field

The utility model relates to a screening plant technical field, concretely relates to screening plant is used in efficient cement processing.

Background

Cement, powdery hydraulic inorganic cementing material, water are added and stirred to form slurry, which can be hardened in air or water and can firmly bond sand, stone and other materials together, the mixture of early lime and volcanic ash is very similar to the modern lime and volcanic ash cement, and the concrete made of broken stone cemented by the cement not only has higher strength after being hardened, but also can resist the erosion of fresh water or salt-containing water.

In the actual production at cement mill station, often need sieve the inhomogeneous cement composition of granule, thereby distinguish great granule composition or impurity in the cement granule, current screening plant sieves cement in putting into the screening machine with fixed quantity usually, this kind of screening plant is when sieving quantitative cement, need sieve this part cement earlier the back, can carry out next cement screening again after discharging great granule or impurity in the screening machine, consequently just make the screening efficiency of cement lower, screening speed is slow.

SUMMERY OF THE UTILITY MODEL

The utility model provides an efficient screening plant for cement processing to solve the problem of present cement screening plant inefficiency.

In order to solve the technical problem, the utility model provides a following technical scheme: the efficient screening device for cement processing comprises a support frame and a screening mechanism, wherein two ends of the support frame are respectively and fixedly connected with inclined fixed plates, and the two fixed plates are parallel to each other;

the screening mechanism comprises a screening barrel, the screening barrel comprises a barrel body made of a filter screen plate, and a first cover plate and a second cover plate which are fixed at two ends of the barrel body, wherein a feeding pipe is fixed at the center of the first cover plate and is communicated with the inside of the screening barrel, one end of the feeding pipe, which is far away from the screening barrel, penetrates through a fixing plate at a higher position and is rotatably connected with the fixing plate, the second cover plate is rotatably connected with a fixing plate at a lower position, a motor is fixedly connected to the fixing plate at the lower position, an output shaft of the motor penetrates through the fixing plate and is fixedly connected with the center of the second cover plate, a discharge hole is formed in the edge of the second cover plate, a discharge pipe is further arranged on the fixing plate at the lower position, the discharge pipe is positioned at the bottom of the fixing plate, and the feed end of the discharge pipe is in sliding contact with the second cover plate and is positioned on a moving path of the discharge hole;

the supporting frame is fixedly connected with a supporting rod, the supporting rod is fixedly connected with a hopper, the bottom of the hopper is fixedly connected with a guide plate which is inclined downwards, the higher end of the guide plate is communicated with the inside of the hopper, and the lower end of the guide plate is positioned in the feeding pipe.

The utility model discloses theory of operation: because the two ends of the supporting frame are fixedly connected with the inclined fixing plates, and the first cover plate and the second cover plate of the screening cylinder are respectively and rotatably connected to the two fixing plates, the screening cylinder is also in an inclined state. When in use, the motor is started, because the motor is fixedly connected on the fixing plate positioned at the lower part, and the output shaft of the motor passes through the fixing plate and is fixedly connected with the center of the second cover plate, the motor can drive the whole screening cylinder to rotate through the second cover plate when in operation, at the moment, cement to be screened is added into the hopper, the bottom of the hopper is communicated and fixedly connected with a material guide plate which inclines downwards, the lower end of the material guide plate is positioned in the feeding pipe, so that the cement added into the hopper can fall into the feeding pipe through the material guide plate under the action of gravity and then enters the screening cylinder through the feeding pipe, because the cylinder body of the screening cylinder is made of a filter screen plate, the cement entering the screening cylinder is screened along with the rotation of the screening cylinder, cement powder then is through the stack shell of a screening section of thick bamboo and outside being sifted out the screening section of thick bamboo, and great granule in the cement is then stayed in the screening section of thick bamboo, and the screening section of thick bamboo is in the tilt state, so along with the rotation of the screening section of thick bamboo, great granule in the screening section of thick bamboo is then pressed the inclined plane gliding of the screening section of thick bamboo and is piled up in the least of the section of thick bamboo of screening, and the edge of the second apron of the screening section of thick bamboo is equipped with the bin outlet, the bottom that is located the fixed plate of lower simultaneously is equipped with the blow off pipe, and the feed end of blow off pipe and second apron sliding contact and be located the removal route of bin outlet, so the second apron rotates and makes behind bin outlet and the bin outlet intercommunication, the accumulational great granule of least of the screening section of thick bamboo then passes the bin outlet under the action of gravity and enters into the discharge in the bin outlet and sieves a section of thick bamboo.

The utility model has the advantages that: this scheme passes through the motor and drives a screening section of thick bamboo and rotates, and the continuous cement that flows in from the hopper of rotating through a screening section of thick bamboo sieves, and the stack shell that the cement that meets the requirements then made through filtering the otter board filters and goes out from a screening section of thick bamboo, and the macroaggregate cement after the filtration then slides to the bin outlet along a screening section of thick bamboo of slope to discharge a screening section of thick bamboo in the row's material pipe. So add cement in to the screening section of thick bamboo through the hopper in succession, the screening section of thick bamboo then is continuous sieves cement, so makes whole screening process continuously go on in succession, great improvement the screening efficiency and the speed of cement.

Further, the stock guide includes the swash plate of downward sloping, and the both sides of swash plate fixedly connected with riser respectively. When the cement feeding device is used, cement in the hopper slides into the feeding pipe along the inclined plate under the action of gravity, and the vertical plates fixed on the two sides of the inclined plate can prevent the cement on the inclined plate from falling off from the inclined plate.

Further, the surface of the inclined plate is provided with a glaze layer. The purpose is that the glaze layer is smooth in surface so as to prevent cement from being adhered to the inclined plate.

Further, the cover is equipped with the bearing on the inlet pipe, and the bearing is located between inlet pipe and the fixed plate. The purpose is that the friction between the feeding pipe and the fixing plate can be reduced through the bearing, and the motor load is reduced.

Further, many annular spacing strips of fixedly connected with in the barrel body of screening section of thick bamboo, many spacing strip intervals set up and the center of spacing strip is located the center pin of screening section of thick bamboo. The purpose is that the gliding speed of cement in the screening cylinder is limited by the limiting strips, the retention time of the cement in the screening cylinder is increased, and the screening effect is ensured.

Further, the surface of the limiting strip is arc-shaped. The purpose is that the setting can reduce the cement and pile up in the screening section of thick bamboo when delaying cement gliding speed through this kind of setting.

Further, the bin outlet on the second apron is a plurality of, and a plurality of bin outlets are the edge of circular array setting at the second apron. Its purpose is to increase the discharge outlet and increase the discharge speed.

Drawings

FIG. 1 is a schematic structural view of a high-efficiency screening device for cement processing according to the present invention;

fig. 2 is a schematic structural view of the material guide plate in fig. 1;

fig. 3 is a schematic structural diagram of a front view of the second cover plate in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: hopper 1, stock guide 2, swash plate 201, riser 202, inlet pipe 3, bearing 4, first fixed plate 5, branch 6, first apron 7, support frame 8, screening section of thick bamboo 9, spacing 10, second apron 11, row's material pipe 12, bin outlet 13, motor 14, second fixed plate 15.

The embodiments are substantially as shown in figures 1, 2 and 3:

the utility model provides an efficient screening plant for cement processing, includes support frame 8 and screening mechanism, and support frame 8 includes long board, short slab and the horizontal pole of fixed connection between long board and short slab, the first fixed plate 5 of the top fixedly connected with slope of long board, the second fixed plate 15 of the top fixedly connected with slope of short slab, and first fixed plate 5 and second fixed plate 15 are parallel to each other.

Screening mechanism is including screening section of thick bamboo 9, and screening section of thick bamboo 9 includes the stack shell that filter plate made and fixes first apron 7 and the second apron 11 at the stack shell both ends, and four annular spacing strips 10 of fixedly connected with in the stack shell of screening section of thick bamboo 9, and the center that four spacing strips 10 intervals set up and spacing strip 10 is located screening section of thick bamboo 9 is central pin, and the surface of spacing strip 10 is circular-arcly. Wherein the center department of first apron 7 is fixed with inlet pipe 3, inlet pipe 3 communicates with the inside of screening section of thick bamboo 9, the one end that inlet pipe 3 kept away from screening section of thick bamboo 9 passes first fixed plate 5 and is connected with first fixed plate 5 rotation, the cover is equipped with bearing 4 on the inlet pipe 3, and bearing 4 is located between inlet pipe 3 and the first fixed plate 5, second apron 11 rotates with second fixed plate 15 to be connected, and fixedly connected with motor 14 on the second fixed plate 15, the output shaft of motor 14 passes second fixed plate 15 and with the center department fixed connection of second apron 11, the edge of second apron 11 is equipped with three bin outlet 13, and three bin outlet 13 is the edge of circular array setting at second apron 11, still be equipped with blow-off pipe 12 on second fixed plate 15, blow-off pipe 12 is located the bottom of second fixed

plate

15, and 12 feed end and second apron 11 sliding contact are located the removal route of blow-off 13.

Fixedly connected with branch 6 on the support frame 8, fixedly connected with hopper 1 on branch 6, the stock guide 2 of the bottom fixedly connected with downward sloping of hopper 1, the higher end and the 1 inside intercommunication of hopper of stock guide 2, the lower end of stock guide 2 is arranged in inlet pipe 3, stock guide 2 includes the swash plate 201 of downward sloping, fixedly connected with riser 202 respectively in the both sides of swash plate 201, the surface of swash plate 201 is equipped with the glaze layer.

The specific implementation process is as follows:

because the two ends of the supporting frame 8 are fixedly connected with the first fixing plate 5 and the second fixing plate 15 which are inclined, and the first cover plate 7 and the second cover plate 11 of the sieving cylinder 9 are respectively and rotatably connected on the first fixing plate 5 and the second fixing plate 15, the sieving cylinder 9 is also in an inclined state. When the screening machine is used, the motor 14 is started, the motor 14 is fixedly connected to the second fixing plate 15, the output shaft of the motor 14 passes through the second fixing plate 15 and is fixedly connected with the center of the second cover plate 11, when the motor 14 runs, the whole screening cylinder 9 is driven to rotate by the second cover plate 11, cement to be screened is added into the hopper 1, the bottom of the hopper 1 is communicated and fixedly connected with the guide plate 2 inclined downwards, the lower end of the guide plate 2 is positioned in the feeding pipe 3, so that the cement added into the hopper 1 falls into the feeding pipe 3 through the guide plate 2 under the action of gravity, then enters into the screening cylinder 9 through the feeding pipe 3, and as the cylinder body of the screening cylinder 9 is made of a filter screen plate, the cement entering into the screening cylinder 9 is screened along with the rotation of the screening cylinder 9, cement powder is then outside sifting out sifting barrel 9 through the stack shell of sifting barrel 9, and the great granule in the cement is then stayed sifting barrel 9, and sifting barrel 9 is in the tilt state, so along with the rotation of sifting barrel 9, the great granule in sifting barrel 9 is then pressed sifting barrel 9's inclined plane gliding and is piled up in sifting barrel 9's lowest department, and the edge of sifting barrel 9's second apron 11 is equipped with bin outlet 13, the bottom of second fixed plate 15 is equipped with discharge pipe 12 simultaneously, and the feed end of discharge pipe 12 and second apron 11 sliding contact are located the removal route of bin outlet 13, so second apron 11 rotates and makes behind bin outlet 13 and the feed pipe 12 intercommunication, the great granule of piling up of lowest department in sifting barrel 9 then passes through bin outlet 13 under the effect of gravity and gets into in discharge pipe 12 and discharges sifting barrel 9.

Claims

1. The utility model provides an efficient screening plant for cement processing which characterized in that: the screening device comprises a support frame and a screening mechanism, wherein two ends of the support frame are respectively and fixedly connected with an inclined fixed plate, and the two fixed plates are parallel to each other;

the screening mechanism comprises a screening barrel, the screening barrel comprises a barrel body made of a filter screen plate, and a first cover plate and a second cover plate which are fixed at two ends of the barrel body, wherein a feed pipe is fixed at the center of the first cover plate and is communicated with the inside of the screening barrel, one end, far away from the screening barrel, of the feed pipe penetrates through a fixing plate located at a higher position and is rotatably connected with the fixing plate, the second cover plate is rotatably connected with a fixing plate located at a lower position, a motor is fixedly connected to the fixing plate located at the lower position, an output shaft of the motor penetrates through the fixing plate and is fixedly connected with the center of the second cover plate, a discharge outlet is formed in the edge of the second cover plate, a discharge pipe is further arranged on the fixing plate located at the lower position, the discharge pipe is located at the bottom of the fixing plate, and the feed end of the discharge pipe is in sliding contact with the second cover plate and is located on the moving path of the discharge outlet;

2. A high efficiency screening apparatus for use in cement processing as claimed in claim 1, wherein: the stock guide includes the swash plate of downward sloping, and the both sides of swash plate are fixedly connected with riser respectively.

3. A high efficiency screening apparatus for use in cement processing as claimed in claim 2, wherein: the surface of the inclined plate is provided with a glaze layer.

4. A high efficiency screening apparatus for use in cement processing as claimed in claim 3, wherein: the cover is equipped with the bearing on the inlet pipe, and the bearing is located between inlet pipe and the fixed plate.

5. A high efficiency screening plant for cement processing as claimed in claim 4, wherein: a plurality of annular limiting strips are fixedly connected to the barrel body of the screening barrel, the plurality of limiting strips are arranged at intervals, and the centers of the limiting strips are located on the central shaft of the screening barrel.

6. The efficient screening device for cement processing as claimed in claim 5, wherein: the surface of the limiting strip is arc-shaped.

7. The efficient screening device for cement processing according to claim 6, wherein: the bin outlet on the second apron is a plurality of, and a plurality of bin outlets are the edge of circular array setting at the second apron.