CN110843133A

CN110843133A - Dosing unit and material loading structure in cement manufacture

Info

Publication number: CN110843133A
Application number: CN201911068090.7A
Authority: CN
Inventors: 袁国平; 赵付全; 贺中文; 文小弟
Original assignee: Changde Jinjiang Cement Co Ltd
Current assignee: Changde Jinjiang Cement Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-02-28

Abstract

The invention discloses a batching device in cement production and a feeding structure thereof, and the batching device comprises a plurality of ash tanks, wherein ash conveying pipes are arranged above and below the ash tanks, the ash tanks are mutually communicated with the ash conveying pipes through connecting pipes, a feeding pipe is arranged at the right side position on the ash conveying pipes, the feeding pipe is connected with the ash conveying pipes through a transfer box, the interior of each ash conveying pipe is communicated with the feeding pipe through a cavity in the transfer box, a negative pressure feeding machine is arranged at one end of each feeding pipe, which is far away from the transfer box, conveying rollers are respectively arranged at the left end and the right end in each ash pipe, conveying belts are arranged on the conveying rollers at the left side and the right side, and a power box is connected at the left end position. According to the invention, a plurality of ash tanks filled with different aggregates are used for respectively feeding, the blanking amount is accurately controlled by the electromagnetic flow meter during feeding, the error phenomenon and the low efficiency condition existing in manual weighing are avoided, the aggregates after proportioning blanking are fed into the stirring equipment by the negative pressure feeding machine, the whole process is automatically and accurately controlled, and the batching efficiency is greatly improved.

Description

Dosing unit and material loading structure in cement manufacture

Technical Field

The invention belongs to the technical field of cement production equipment, and particularly relates to a batching device and a feeding structure in cement production.

Background

Cement is a powdered hydraulic inorganic cementing material. The cement is added with water and stirred to form slurry which can be hardened in the air or in water and can firmly bond materials such as sand, stone and the like together.

In the process of producing cement, the accuracy of the proportion of ingredients and the uniformity of the mixed materials not only influence the production speed, but also directly influence the quality of the produced cement. The cement batching of the existing small-sized cement plant is operated by manually batching in steps, the precision requirement on batching is low, the batching is generally weighed in proportion by manual work according to personal experience or by using an electronic scale in the actual manual operation process, then the proportioned batching is manually added and is conveyed to stirring equipment for stirring, most of the batching is manually operated, operators carry out batching distribution according to observation or artificial judgment, and finally the batching is mixed and stirred in proportion, some operators do not consider strict precision requirement at all in the actual operation process, the batching operation is too careless and careless, the quality of the configured cement is low due to frequent change, the labor intensity of the operators is increased, the batching progress can not be guaranteed, and the proportion of the cement batching is not in accordance with the requirement, meanwhile, the batching efficiency is reduced, the labor intensity of workers is increased, the automation degree is low, and the use is inconvenient, so that a batching device and a batching structure in cement production are provided.

Disclosure of Invention

The invention aims to: in order to solve the problems of poor accuracy, high labor intensity and low efficiency of the existing manual operation of cement batching, a batching device and a loading structure thereof in cement production are provided.

The technical scheme adopted by the invention is as follows:

the utility model provides a dosing unit and material loading structure thereof in cement manufacture, is including a plurality of ash jars that set up, ash jar upper and lower side is equipped with ash conveying pipe, communicates each other through the connecting pipe between ash jar and the ash conveying pipe, ash conveying pipe upper right side position is equipped with the material loading pipe, links to each other through the switching box between material loading pipe and the ash conveying pipe, and ash conveying pipe is inside to be linked together with the material loading pipe through the cavity in the switching box, keeps away from switching box one end on the material loading pipe and installs negative pressure feeder, is equipped with the positive feeding mechanism of switching ash jar and material loading pipe in the ash conveying pipe.

The positive feeding mechanism comprises conveying rollers which are respectively arranged at the left end and the right end of the ash conveying pipe, conveying belts are arranged on the conveying rollers at the left side and the right side, a power box is connected to the left end of the ash conveying pipe, a motor is arranged in the power box, and the motor is in transmission connection with the conveying rollers at the left end of the ash conveying pipe through a belt.

The conveying roller is further provided with a belt scale, and the belt scale can weigh aggregate on the conveying belt, so that the total proportioning amount of the aggregate is ensured, and the quality of cement is further ensured.

Wherein, ash jar left side ground position is equipped with the filling assembly, installs quantity and the corresponding ash adding pipe of ash jar quantity on the filling assembly, and the ash adding pipe is linked together with the ash jar respectively through supplying the ash pipe, and every ash adding pipe top position on the filling assembly is equipped with the mark data plate respectively, and the ash adding pipe quantity is corresponding with the ash jar, and marks through the mark data plate, and convenient and fast when adding ash, the degree of discerning is high.

Wherein, electromagnetic flowmeter is installed to the connecting pipe, installs the solenoid valve on the connecting pipe of electromagnetic flowmeter below, electromagnetic flowmeter, solenoid valve, motor, belt weigher are connected with the industrial computer electricity respectively, and the industrial computer is located in the cement manufacture site control room, carries out unified administrative control by the industrial computer, the workman only need regularly patrol the scene can, not only alleviateed workman work burden, also avoided the harm that a large amount of dusts in production field produced healthy to the workman simultaneously.

Wherein, still be connected with the ratio on the industrial computer and set up the module and locate the pressure sensor that the bottom is used for detecting ash content in the ash can, pressure sensor is used for detecting each aggregate surplus in the ash can to can be real-time quick accurate know the surplus of aggregate, in time supply, avoid the aggregate not enough to lead to the condition of production interruption to take place.

The ash tank is installed on the support column through an ash tank fixing frame to form overhead fixation.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, a plurality of ash tanks filled with different aggregates are used for respectively feeding, the blanking amount is accurately controlled by the electromagnetic flow meter during feeding, the error phenomenon and the low efficiency condition existing in manual weighing are avoided, the aggregates after proportioning blanking are fed into the stirring equipment by the negative pressure feeding machine for stirring, the whole process is automatically and accurately controlled, and the batching efficiency is greatly improved.

2. According to the invention, when the ash tanks are discharged, the aggregates fall onto the conveying belt and are conveyed and concentrated by the conveying belt, so that the aggregates can be conveniently sucked by the negative pressure feeder under negative pressure, meanwhile, the belt weighers are installed on the conveying belt, and after the single stirring of the aggregates is finished, the belt weighers weigh the total weight of the aggregates, and the electromagnetic flow meters of the ash tanks are matched, so that different aggregates can be weighed and quantified, and the total weight of the aggregates can be weighed, thereby effectively ensuring the proportion and the weight of the aggregates and ensuring the quality of the produced cement.

3. In the invention, the ash can is fed from the bottom and the top, and compared with the existing method that the feeding and discharging pipe openings are arranged at the bottom, the method can feed materials while discharging and batching the ash can in busy production, thereby improving the use flexibility and ensuring the production efficiency.

4. According to the ash tank feeding device, the ash adding pipes for feeding the ash tank are uniformly arranged together and are marked by the nameplate, the ash adding pipes can be directly used for feeding during feeding, the traditional trouble that the ash adding pipes and the ash tank are connected by manually climbing to the top of the ash tank is eliminated, and the use convenience is improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of an ash conveying pipe according to the present invention;

FIG. 3 is a front view of the fill assembly of the present invention;

fig. 4 is a system modular block diagram of the present invention.

The labels in the figure are: 1. an ash tank; 2. a dust tank fixing frame; 3. a negative pressure feeding machine; 4. feeding pipes; 5. a transfer box; 6. an electromagnetic flow meter; 7. an electromagnetic valve; 8. an ash conveying pipe; 9. a connecting pipe; 10. a support pillar; 11. a power box; 12. a filling assembly; 13. an ash adding pipe; 14. an ash supply pipe; 15. marking a nameplate; 16. a motor; 17. a belt; 18. a conveying roller; 19. a conveyor belt; 20. a cavity; 21. a belt scale; 22. an industrial personal computer; 23. a pressure sensor; 24. and a proportioning setting module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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. 1-4, a batching device and a feeding structure thereof in cement production comprises a plurality of ash tanks 1, wherein the ash tanks 1 are fixedly arranged on supporting columns 10 through ash tank fixing frames 2, ash conveying pipes 8 are arranged above and below the ash tanks 1, the ash tanks 1 and the ash conveying pipes 8 are mutually communicated through connecting pipes 9, electromagnetic flow meters 6 are arranged on the connecting pipes 9 below the electromagnetic flow meters 6, feeding pipes 4 are arranged on the right side positions of the ash conveying pipes 8, the feeding pipes 4 are connected with the ash conveying pipes 8 through adapter boxes 5, the interiors of the ash conveying pipes 8 are communicated with the feeding pipes 4 through cavities 20 in the adapter boxes 5, and negative pressure feeding machines 3 are arranged at one ends, far away from the adapter boxes 5, of the feeding pipes 4;

conveying rollers 18 are respectively installed at the left end and the right end in the ash conveying pipe 8, conveying belts 19 are installed on the conveying rollers 18 at the left side and the right side, a power box 11 is connected to the left end of the ash conveying pipe 8, a motor 16 is installed in the power box 11, the motor 16 is in transmission connection with the conveying rollers 18 at the left end of the ash conveying pipe 8 through a belt 17, and a belt scale 21 is further installed on the conveying rollers 18;

the ground position of ash can 1 left side is equipped with filling assembly 12, installs quantity and the corresponding ash adding pipe 13 of ash can 1 quantity on filling assembly 12, and ash adding pipe 13 is linked together with ash can 1 respectively through supplying ash pipe 14, and every ash adding pipe 13 top position is equipped with mark data plate 15 respectively on filling assembly 12, electromagnetic flowmeter 6, solenoid valve 7, motor 16, belt weigher 21 are connected with industrial computer 22 electricity respectively, and industrial computer 22 locates in the cement production site control room, still is connected with the ratio on industrial computer 22 and sets up module 24 and locates the pressure sensor 23 that the bottom is used for detecting the ash volume in the ash can 1.

The working principle is as follows: the invention provides a batching device and a loading structure thereof in cement production, the structure is skillfully arranged, the ash conveying tanks of an ash conveying vehicle are connected with an ash adding pipe 13 before use, different raw materials for cement production are added into each ash tank 1 according to mark information of a mark nameplate 15, the trouble that the ash can be added only by connecting the pipeline of the ash conveying vehicle with the top of the ash tank 1 is saved, before batching is carried out, the proportioning amount of each aggregate in the cement production process is manually set by using a proportioning setting module 24, then batching is started, an electromagnetic valve 7 at the bottom of the ash tank 1 is opened, the aggregate in the ash tank 1 falls down, meanwhile, an electromagnetic flow meter 7 on a connecting pipe 9 detects the falling aggregate amount, and when the falling aggregate amount is detected to be enough, an industrial personal computer 22 controls the corresponding electromagnetic valve 7 to be closed, thereby realizing the accurate proportioning control of each aggregate, and omitting the traditional manual weighing, The conveying is troublesome, and the production efficiency is improved;

aggregate falling from the ash tank 1 along the connecting pipe 9 falls on the conveyer belt 19 in the ash conveying pipe 8, at the moment, the motor 16 is started to work, the conveyer roller 18 at the left side of the ash conveying pipe 8 is driven to rotate through the belt 17, the conveyer belt 19 is further driven to rotate to convey the aggregate on the conveyer belt 19, the aggregate is conveyed to the right end, the negative pressure feeding machine 3 is started to suck the aggregate by utilizing negative pressure suction force and feed the aggregate into the stirring equipment along the feeding pipe 4 to complete feeding, meanwhile, the conveyer roller 18 is provided with the belt scale 21 which can weigh the aggregate on the conveyer belt 19, so that the whole weight of the aggregate is known, whether the total proportioning amount is proper or not is confirmed, the proportioning accuracy is further ensured, meanwhile, the proportioning and the whole feeding process of the aggregate are detected and controlled by the industrial personal computer 22 according to the electromagnetic flowmeter 6, the electromagnetic valve 7, the motor 16 and the belt scale, the production efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a dosing unit and material loading structure thereof in cement manufacture, is including a plurality of ash jars (1) that set up, its characterized in that, ash jar (1) is equipped with ash conveying pipe (8) from top to bottom, communicates each other through connecting pipe (9) between ash jar (1) and ash conveying pipe (8), ash conveying pipe (8) upper right side position is equipped with material loading pipe (4), links to each other through switching box (5) between material loading pipe (4) and ash conveying pipe (8), and ash conveying pipe (8) are inside to be linked together through cavity (20) in switching box (5) and material loading pipe (4), keeps away from switching box (5) one end on material loading pipe (4) and installs negative pressure feed machine (3), is equipped with the positive feeding mechanism of switching ash jar (1) and material loading pipe (4) in ash conveying pipe (8).

2. The batching device and the feeding structure thereof in cement production according to claim 1, wherein the positive feeding mechanism comprises feeding rollers (18) respectively arranged at the left end and the right end in the ash conveying pipe (8), a conveying belt (19) is arranged on the feeding rollers (18) at the left side and the right side, a power box (11) is connected at the left end of the ash conveying pipe (8), a motor (16) is arranged in the power box (11), and the motor (16) is in transmission connection with the feeding rollers (18) at the left end of the ash conveying pipe (8) through a belt (17).

3. A batching device and its feeding structure in cement production according to claim 2, characterized in that said conveyor roller (18) is also equipped with a belt weigher (21).

4. The batching device and the feeding structure thereof in cement production according to any one of claims 1 to 3, wherein a feeding assembly (12) is arranged on the ground position on the left side of the ash tank (1), ash adding pipes (13) with the number corresponding to that of the ash tank (1) are arranged on the feeding assembly (12), the ash adding pipes (13) are respectively communicated with the ash tank (1) through ash supplying pipes (14), and a marking nameplate (15) is respectively arranged on the feeding assembly (12) above each ash adding pipe (13).

5. The batching device and feeding structure thereof in cement production according to claim 4, wherein the electromagnetic flow meter (6) is installed on the connecting pipe (9), the electromagnetic valve (7) is installed on the connecting pipe (9) below the electromagnetic flow meter (6), the electromagnetic valve (7), the motor (16) and the belt scale (21) are respectively and electrically connected with the industrial personal computer (22), and the industrial personal computer (22) is arranged in a control room of a cement production site.

6. The batching device and feeding structure thereof in cement production according to claim 5, wherein the industrial personal computer (22) is further connected with a proportioning setting module (24) and a pressure sensor (23) arranged at the bottom in the ash tank (1) and used for detecting the ash amount in the ash tank (1).

7. The batching device and feeding structure thereof in cement production according to any one of claims 5 to 6, wherein the ash tank (1) is mounted on a supporting column (10) through an ash tank fixing frame (2) to form a ground-overhead fixing.