CN218654823U

CN218654823U - Cement raw material grinding feed system

Info

Publication number: CN218654823U
Application number: CN202222058470.6U
Authority: CN
Inventors: 崔光瀚
Original assignee: Henan Fengbo Tianrui Cement Co ltd
Current assignee: Henan Fengbo Tianrui Cement Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-03-21
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a cement raw material grinding and feeding system, which comprises a Dan Fencang, a fly ash bin, a lifter and a cement mill; a spiral reamer metering scale is arranged at the discharge port Dan Fencang; the discharge end of the spiral reamer weigher is connected to the feed end of the hoister; a discharge port of the fly ash bin is provided with a double-layer rotor scale; the discharge end of the double-layer rotor scale is connected to the feed end of the elevator through a feed chute; and the discharge end of the hoister is connected with the cement mill. The utility model has the advantages that: the problems that the existing cement raw material grinding feeding system is not beneficial to normal operation of the roller press because materials which are not selected by the powder concentrator directly enter the roller press, vibration is large in the operation process of the roller press, fluctuation is large, and the operation efficiency of the roller press is reduced are solved.

Description

Cement raw material grinding feed system

Technical Field

The utility model relates to a cement goes into mill equipment technical field, concretely relates to cement raw materials grinding charge-in system.

Background

The cement raw materials comprise: clinker, gypsum, slag, steel slag, stone, fly ash, stone powder and the like; the original cement grinding process comprises the following steps: raw material → V-type powder concentrator → roller press → pulverizer; powder (fly ash and stone powder) and particle materials are put into a V-shaped powder concentrator together in the original production process, one part of the fly ash and the stone powder are directly changed into a finished product through the powder concentrator, but the fly ash and the stone powder are not ground by a grinder, the particle surface is irregular, the performance is not given full play to the greatest extent, and the specific surface area cannot be improved; the other part of the materials which are not selected by the powder concentrator directly enter the roller press and still are powder, so that the normal operation of the roller press is not facilitated, the vibration and the fluctuation are large in the operation process of the roller press, and the operation efficiency of the roller press is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve present cement raw materials grinding feed system and directly get into the roll squeezer to the material that has not selected away through the selection powder machine, lead to being unfavorable for the normal operating of roll squeezer, the vibrations are big among the roll squeezer operation process, and undulant also big, have reduced the problem of the operating efficiency of roll squeezer, provide a cement raw materials grinding feed system.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a cement raw materials grinding charge-in system which characterized in that: comprises Dan Fencang, a fly ash bin, a hoisting machine and a cement mill; a spiral reamer metering scale is arranged at the discharge port Dan Fencang; the discharge end of the spiral reamer metering scale is connected to the feed end of the elevator; a discharge hole of the fly ash bin is provided with a double-layer rotor scale; the discharge end of the double-layer rotor scale is connected to the feed end of the elevator through a feed chute; the discharge end of the hoister is connected with the cement mill;

furthermore, the spiral reamer metering scale comprises a feeding pipe, a discharging pipe, a feeding bin and a feeding mechanism; the feeding mechanism is arranged in the feeding bin; the feeding pipe is arranged at one end of the feeding bin and is connected with the stone powder bin; the discharge pipe is arranged at the other end of the feeding bin and is connected with the elevator;

furthermore, the feeding mechanism comprises a motor, a rotating shaft and a packing auger; the rotating shaft penetrates through the feeding bin; one end of the rotating shaft penetrates through the feeding bin and is connected with the motor; the other end of the rotating shaft is arranged at the other end of the feeding bin through a bearing; the packing auger is arranged on the circumferential surface of the rotating shaft;

further, a first tension sensor is vertically arranged in the feeding bin corresponding to the feeding pipe; a second tension sensor is vertically arranged in the feeding bin corresponding to the discharge pipe; the bottom of the feeding bin is also provided with a weighing device corresponding to the feeding pipe;

further, a vibration motor is arranged at the bottom of the feeding groove; one end of the blanking pipe is blocked, and a connecting pipe is arranged at the bottom of the blanking pipe; one end of the blanking pipe is provided with a connecting pipe; the connecting pipe is connected with the feeding groove through the telescopic pipe;

furthermore, a soot blowing mechanism is arranged on the side wall of the connecting pipe; the soot blowing mechanism comprises an air pipe, an air supply pipe and a blower; the air pipe is fixed on the inner wall of the connecting pipe; the air pipe is connected with the blower through an air supply pipe; the bottom of the air pipe is obliquely provided with a spray head;

a further technical proposal is that the air supply pipe is provided with a control valve and a pressure gauge.

The utility model has the advantages of it is following:

1. the fly ash and the stone powder are directly fed into the mill, the steady-flow bin of the roller press is stable in blanking, the bin flushing phenomenon is avoided, the roller press is stable in operation, and the central control operation is convenient to control;

2. 5363 a spiral reamer weigher is arranged at the discharge port of Dan Fencang, which is beneficial to combining gravity weighing with spiral conveying and is beneficial to quantitative conveying and blanking of stone powder, and a double-layer rotor weigher is arranged below the discharge port of the fly ash bin, which is beneficial to smooth and stable blanking of fly ash;

3. the weighed stone powder and the weighed fly ash are directly sent to a cement mill for grinding by a hoister, so that the surface activity of the fly ash and the stone powder is favorably improved, and the performance is fully exerted;

4. other granule materials of cement raw materials go into through the roll squeezer and grind, and the powdery material passes through the utility model discloses a charge-in system direct access grinds, makes the operating rate of roll squeezer promote 90% by 40%.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the helical reamer scale.

Fig. 3 is a schematic view of the installation of the chute.

FIG. 4 is a schematic structural diagram of a soot blowing mechanism.

FIG. 5 is a schematic view of the installation of the sootblowing mechanism.

In the figure: 1. dan Fencang; 2. a fly ash bin; 3. a hoist; 4. grinding cement; 5. a spiral reamer scale; 7, a feeding groove; 8. a feed pipe; 9. a discharge pipe; 10. a feeding bin; 11. a feeding mechanism; 111. a motor; 112. a rotating shaft; 113. a packing auger; 12. a first tension sensor; 13. a second tension sensor; 14. a scale; 15. a vibration motor; 16. a discharging pipe; 17. a connecting pipe; 18. a telescopic pipe; 19. an air tube; 20. an air supply pipe; 21. a blower; 22. and (4) a spray head.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: as shown in fig. 1 to 5, a cement raw material grinding and feeding system comprises a stone powder bin 1, a fly ash bin 2, a hoister 3 and a cement mill 4; a spiral reamer metering scale 5 is arranged at a discharge hole of the stone powder bin 1; the discharge end of the spiral reamer weigher 5 is connected to the feed end of the elevator 3; a discharge hole of the fly ash bin 2 is provided with a double-layer rotor scale; the discharge end of the double-layer rotor scale is connected to the feed end of the elevator 3 through a feed chute 7; the discharge end of the hoister 3 is connected with a cement mill 4; in the embodiment, the stone dust bin 1 and the fly ash bin 2 both adopt conventional structures, and any reasonable model structure and suitable connection and installation mode can be selected according to requirements; in the embodiment, the double-layer rotor scale is made of conventional commercially available products, and any reasonable model structure and suitable connection and installation mode can be selected according to needs; in the embodiment, the hoister 3 is a conventional commercially available product, and any reasonable structural model and a proper connecting and installing mode can be selected according to needs; in this embodiment, the stone powder bin 1 includes two stone powder bins, and the two stone powder bins are respectively connected with the hoisting machine 3 through the spiral reamer weighers 5; the number and position of the stone powder bins 1 can be adjusted as required.

The fly ash and the stone powder are directly fed into the mill, the steady-flow bin of the roller press is stable in blanking, the bin flushing phenomenon is avoided, the roller press is stable in operation, and the central control operation is convenient to control; a spiral reamer metering scale 5 is arranged at a discharge port of the pulverized coal bin 1, so that the combination of gravity weighing and spiral conveying is facilitated, the quantitative conveying and blanking of the pulverized coal are facilitated, and a double-layer rotor scale is arranged below the discharge port of the pulverized coal ash bin 2, so that the smooth and stable blanking of the pulverized coal ash is facilitated; the weighed stone powder and the weighed fly ash are directly sent to a cement mill 4 for grinding through a hoister 3, so that the surface activity of the fly ash and the stone powder is promoted, and the performance is fully exerted; other granule materials of cement raw materials go into through the roll squeezer and grind, and the powdery material passes through the utility model discloses a charge-in system direct access grinds, makes the operating rate of roll squeezer promote 90% by 40%.

The spiral reamer metering scale 5 comprises a feeding pipe 8, a discharging pipe 9, a feeding bin 10 and a feeding mechanism 11; the feeding mechanism 11 is arranged in the feeding bin 10; the feeding pipe 8 is arranged at one end of the feeding bin 10 and is connected with the stone powder bin 1; the discharge pipe 9 is arranged at the other end of the feeding bin 10 and is connected with the hoisting machine 3; in the embodiment, the feeding pipe 8, the discharging pipe 9 and the feeding bin 10 are all made of conventional materials with certain mechanical strength, and any reasonable material and a proper connecting and mounting mode can be selected according to needs; in this embodiment, the feeding pipe 8 is used for feeding the powder in the stone powder bin 1 into the feeding bin 10 and conveying the powder through the feeding mechanism 11 in the feeding bin 10, so that the stability and the dust resistance of powder conveying are improved.

The feeding mechanism 11 comprises a motor 111, a rotating shaft 112 and a packing auger 113; the rotating shaft 112 penetrates through the feeding bin 10; one end of the rotating shaft 112 penetrates through the feeding bin 10 to be connected with the motor 111; the other end of the rotating shaft 112 is arranged at the other end of the feeding bin 10 through a bearing; the packing auger 113 is arranged on the circumferential surface of the rotating shaft 112; in this embodiment, motor 111 adopts conventional commercial product, can select any reasonable model structure and suitable connection mounting means as required, and motor 111 can be connected to conventional numerical control system, for example PLC system, and through the material of control motor 111 change unit interval and move even, through motor 111 drive pivot 112 rotation, auger 113 on the pivot 112 drives the powder and moves to discharging pipe 9 one end from inlet pipe 8 one end.

A first tension sensor 12 is vertically arranged in the feeding bin 10 corresponding to the feeding pipe 8; a second tension sensor 13 is vertically arranged in the feeding bin 10 corresponding to the discharging pipe 9; the bottom of the feeding bin 10 is also provided with a weigher 14 corresponding to the feeding pipe 8; in this embodiment, the first tension sensor 12 and the second tension sensor 13 are both conventional commercially available products, and any reasonable model structure and suitable connection mode can be selected as required, so that the first tension sensor 12 and the second tension sensor 13 can be used for converting the weight signal into an electric signal and transmitting the electric signal to the PLC system, thereby improving the metering accuracy; in this embodiment, weigher 14 is beneficial to weighing the material entering feed bin 10, and transfers the weight signal to the PLC system, which is beneficial to improving the weighing accuracy.

The bottom of the feeding groove 7 is provided with a vibration motor 15; the discharge end of the double-layer rotor scale is connected with a discharge pipe 16; one end of the blanking pipe 16 is plugged, and the bottom of the blanking pipe is provided with a connecting pipe 17; the connecting pipe 17 is connected with the feeding chute 7 through an extension pipe 18; in this embodiment, the feeding pipe 16 is favorable for guiding the material, and the connecting pipe 17 is favorable for connecting the telescopic pipe 18 and the feeding pipe 16; in this embodiment, the vibration motor 15 purchased in the market is arranged at the bottom of the feeding groove 7 conventionally, which is beneficial to continuous and stable feeding, the telescopic pipe 18 is made of a conventional material with certain mechanical strength and elastic deformation force, any reasonable material can be selected as required, and the deformation force of the telescopic pipe 18 is beneficial to adjusting the distance between the blanking pipe 16 and the feeding groove 7 as required, so as to be beneficial to adapting to the vibration feeding of the feeding groove 7.

A soot blowing mechanism is arranged on the side wall of the connecting pipe 17; the soot blowing mechanism comprises an air pipe 19, an air delivery pipe 20 and a blower 21; the air pipe 19 is fixed on the inner wall of the connecting pipe 17; the air pipe 19 is connected with a blower 21 through an air supply pipe 20; the bottom of the air pipe 19 is obliquely provided with a spray head 22; in this embodiment, the blower 21 of the soot blowing structure is a conventional commercially available product, any reasonable model structure and suitable connection and installation mode can be selected as required, air is blown to the air pipe 19 through the blower 21 and the air pipe 20, and the nozzle 22 of the air pipe 19 blows air, so that the fly ash is prevented from being adhered to the wall, and the accuracy and stability of blanking are controlled.

The air supply pipe 20 is provided with a control valve and a pressure gauge; in this embodiment, control valve and manometer adopt conventional market to purchase the product, can select arbitrary reasonable model structure as required, are favorable to improving the stability of supplying gas through control valve and manometer.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a cement raw materials grinding charge-in system which characterized in that: comprises Dan Fencang, a fly ash bin, a lifter and a cement mill; a spiral reamer metering scale is arranged at the discharge port Dan Fencang; the discharge end of the spiral reamer metering scale is connected to the feed end of the elevator; a discharge port of the fly ash bin is provided with a double-layer rotor scale; the discharge end of the double-layer rotor scale is connected to the feed end of the elevator through a feed chute; and the discharge end of the hoister is connected with the cement mill.

2. The cement raw material grinding feeding system of claim 1, characterized in that: the spiral reamer metering scale comprises a feeding pipe, a discharging pipe, a feeding bin and a feeding mechanism; the feeding mechanism is arranged in the feeding bin; the feeding pipe is arranged at one end of the feeding bin and is connected with the stone powder bin; the discharging pipe sets up the other end in feeding the storehouse and is connected with the lifting machine.

3. The cement raw material grinding feeding system of claim 2, characterized in that: the feeding mechanism comprises a motor, a rotating shaft and a packing auger; the rotating shaft penetrates through the feeding bin; one end of the rotating shaft penetrates through the feeding bin and is connected with the motor; the other end of the rotating shaft is arranged at the other end of the feeding bin through a bearing; the auger is arranged on the circumferential surface of the rotating shaft.

4. The cement raw material grinding feeding system of claim 2, characterized in that: a first tension sensor is vertically arranged in the feeding bin corresponding to the feeding pipe; a second tension sensor is vertically arranged in the feeding bin corresponding to the discharging pipe; the bottom of the feeding bin is also provided with a weighing device corresponding to the feeding pipe.

5. The cement raw material grinding feeding system of claim 1, characterized in that: a vibration motor is arranged at the bottom of the feeding groove; the discharge end of the double-layer rotor scale is connected with a discharge pipe; one end of the blanking pipe is blocked, and a connecting pipe is arranged at the bottom of the blanking pipe; the connecting pipe is connected with the feeding groove through the telescopic pipe.

6. The cement raw material grinding feeding system as claimed in claim 5, characterized in that: a soot blowing mechanism is arranged on the side wall of the connecting pipe; the soot blowing mechanism comprises an air pipe, an air supply pipe and a blower; the air pipe is fixed on the inner wall of the connecting pipe; the air pipe is connected with the blower through an air supply pipe; the bottom of the air pipe is obliquely provided with a spray head.

7. The cement raw material grinding feeding system of claim 6, characterized in that: the air feed pipe is provided with a control valve and a pressure gauge.