CN218838201U

CN218838201U - Be suitable for broken mill concrete mixing plant in mine

Info

Publication number: CN218838201U
Application number: CN202222123050.1U
Authority: CN
Inventors: 魏林平; 袁贵林
Original assignee: Chengdu Dahongli Machinery Co Ltd
Current assignee: Chengdu Dahongli Machinery Co Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-04-11
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a concrete mixing plant suitable for mine crushing plants, the bottom surface of the mixing plant is arranged below the horizontal plane; the stirring station comprises two groups of raw material bins, a belt conveyor, a material waiting bin, a stirring host machine, a first discharging door, a second discharging door and a control system; the two groups of raw material bins are communicated with the material waiting bins through belt conveyors; the discharge hole of the material waiting bin is communicated with the feed inlet of the stirring host; the first discharging door is arranged at a discharging opening of the material waiting bin; the second discharge door is arranged at the raw material bin at the discharge port of the stirring main machine, the belt conveyor, the stirring main machine, the first discharge door and the second discharge door are controlled by the control system. This application is provided with two sets of former feed bins, circulates by two sets of former feed bins of control system control and realizes the batching, prevents to wait because the batching untimely stirring that causes influences production efficiency. The raw material bin in the mixing station is a large finished product bin of a sandstone production line, so that the sandstone aggregate storage yard land of the concrete mixing station is saved; the transfer cost and the transfer field of the loader are saved.

Description

Be suitable for broken mill concrete mixing plant in mine

Technical Field

The utility model relates to a concrete mixing equipment field especially relates to a be suitable for broken mill concrete mixing plant in mine.

Background

The concrete mixing plant is a building material manufacturing device which consists of a mixing host machine, a material weighing system, a material conveying system, a material storage system, a control system and other accessory facilities. Since the concrete mixing plant is put into use, the concrete mixing plant plays an important role in the building and building material industries in China.

The existing mixing plant is usually arranged on the ground, and the height of a factory building is higher in order to match with mechanical installation due to the fact that the equipment volume of the mixing plant is larger. And need dispose grit aggregate storage yard and loader transportation place alone, just can guarantee the normal transportation of grit aggregate and the normal transportation of finished product concrete, the running efficiency is lower. The aggregate weighing system is usually in single-line circulation, and the aggregate weighing system is used for proportioning after the stirring host completes one stirring period, so that the next stirring circulation is carried out. The time occupied by weighing and batching and the conveying time of the belt are long, and the sandstone aggregate cannot be conveyed into the material storage system in time, so that stirring waiting can be formed, and the production capacity of the stirring station is seriously influenced. Based on the defects, a novel concrete mixing plant is needed at present, the height of a plant is reduced, and the mixing efficiency is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model aims at providing a be suitable for broken mill concrete mixing plant in mine reduces the factory building height, improves stirring efficiency.

In order to realize the above purpose, the utility model discloses a technical scheme:

a concrete mixing plant suitable for a mine crushing plant is characterized in that the bottom surface of the mixing plant is arranged below a horizontal plane; the stirring station comprises two groups of raw material bins, a belt conveyor, a material waiting bin, a stirring host machine, a first discharging door, a second discharging door and a control system; the discharging sides of the two groups of raw material bins are communicated with the feeding holes of the material waiting bins through the belt conveyors; the discharge hole of the material waiting bin is communicated with the feed inlet of the stirring host; the first discharging door is arranged at the discharging opening of the material waiting bin; the second discharging door is arranged at the discharging opening of the stirring main machine; and the raw material bin, the belt conveyor, the stirring main machine, the first discharging door and the second discharging door are controlled by the control system.

In a preferred embodiment, the bottom of the mixing station is arranged at a level of at least minus three meters or less.

As a preferred embodiment, the two groups of raw material bins comprise a first bin, a second bin and a third bin which are separately divided according to the particle size of the raw material; the raw material bins of the same type are arranged adjacently.

As a preferred embodiment, the first bin, the second bin and the third bin each comprise a finished product bin and a weighing hopper, the weighing hoppers are arranged at the discharge hopper ends of the finished product bins, weighing sensors are arranged in the weighing hoppers, and the weighing sensors are electrically connected with the control system.

As a preferred embodiment, the mixing plant comprises a mounting frame, and the material waiting bin, the first discharging door, the mixing host and the second discharging door are sequentially arranged on the mounting frame from top to bottom.

As a better embodiment, the bottom of the mounting rack is provided with a mounting flange, and the mounting flange is connected with a mounting base reserved on the ground.

The utility model has the advantages that:

the utility model provides a be suitable for broken mill's concrete mixing plant in mine, the bottom surface setting of mixing plant is below the horizontal plane, makes concrete tank car business turn over, washs and all goes on in half underground, reduces the factory building height, practices thrift the production space. The grit aggregate carries out the batching in former feed bin and weighs, carries to treating to store in the feed bin through the belt conveyor, and after last stirring cycle, first discharge door is opened and is carried out the blowing, makes and treats that the material that matches well gets into the stirring host computer in the feed bin stirs. This application is provided with two sets of former feed bins, circulates by two sets of former feed bins of control system control and realizes the batching, prevents to wait because the batching untimely stirring that causes influences production efficiency. In addition, the raw material bin in the mixing station is a large finished product bin of a sand production line, so that the land for a sand aggregate storage yard of the concrete mixing station is saved; the transfer cost and the transfer field of the loader are saved.

Drawings

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

FIG. 2 is a schematic view of the raw material bin structure of the present invention;

fig. 3 is a schematic structural view of the stirring system of the present invention.

In the figure: 1. a belt conveyor; 2. a material waiting bin; 3. a stirring main machine; 4. a first discharge door; 5. a second discharge door; 6. a first bin; 7. a second bin; 8. a third bin; 9. a finished product bin; 10. a weighing hopper; 11. a mounting frame; 12. and (7) mounting a flange.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further explained with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, 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 therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a concrete mixing plant suitable for mine crushing plants, wherein the bottom surface of the mixing plant is arranged below the horizontal plane; the stirring station comprises two groups of raw material bins, a belt conveyor 1, a material waiting bin 2, a stirring main machine 3, a first discharging door 4, a second discharging door 5 and a control system; the discharging sides of the two groups of raw material bins are communicated with the feeding holes of the material waiting bins 2 through the belt conveyor 1; the discharge hole of the material waiting bin 2 is communicated with the feed inlet of the stirring host machine 3; the first discharging door 4 is arranged at a discharging opening of the material waiting bin 2; the second discharging door 5 is arranged at the discharging port of the stirring main machine 3; the raw material bin, the belt conveyor 1, the stirring main machine 3, the first discharging door 4 and the second discharging door 5 are all controlled by the control system.

The utility model provides a be suitable for broken mill concrete mixing plant in mine, concrete mixing plant adopts half underground design, makes concrete tank car business turn over, washs etc. and all goes on in the below ground, reduces the whole height of factory building, rationally utilizes the space. The batching and conveying time of the mixing plant must meet the requirement of the cycle mixing time period of the mixing plant, and the sandstone aggregate needs to be weighed and measured in a raw material bin according to the concrete proportion, then is discharged to a belt conveyor 1, is conveyed to a material waiting bin 2 through the belt conveyor 1 for storage, and is ready to be discharged to a mixing host machine 3 for mixing. This application is provided with two sets of former feed bins to former feed bin is grit production line finished product storehouse 9, practices thrift grit aggregate storage yard land, practices thrift the loader and transports cost and transports the place. Because the conveying distance of the concrete mixing plant belt conveyor 1 is too long, the belt conveying time is prolonged, and in a specified mixing cycle time period, sandstone aggregates cannot be conveyed into the material waiting bin 2, so that the mixing waiting is caused, and the production capacity of the mixing plant is seriously influenced. Consequently this application is provided with two sets of former feed bins, circulates the batching by control system control, avoids getting the material ready untimely, causes the stirring to wait for, improves production efficiency. Former feed bin, band conveyer 1, stirring host computer 3, first discharge door 4 and second discharge door 5 are controlled by control system, guarantee going on in order of the process of mixing plant, realize that the mixing plant normally produces.

Example 2

As shown in fig. 1 to 3, the present embodiment is developed on the basis of the above embodiments, and specifically, the present embodiment provides a concrete mixing plant suitable for a mine crushing plant, wherein the bottom surface of the mixing plant is set below negative three meters in the horizontal plane, and a transportation slope is set at the entrance and exit of the mixing plant to ensure that equipment such as a transportation tanker can normally enter and exit.

As a preferred embodiment, the two groups of raw material bins comprise a first bin 6, a second bin 7 and a third bin 8 which are respectively divided according to the particle size of the raw materials; the raw material bins of the same type are arranged adjacently. The raw material bin is shared with a finished product bin 9 of a sand production line, wherein aggregate with the raw material particle size of 0-5mm is subpackaged in a first bin 6, aggregate with the raw material particle size of 5-10mm is subpackaged in a second bin 7, and aggregate with the raw material particle size of 10-31.5mm is subpackaged in the second bin 7.

As a preferred embodiment, the first bin 6, the second bin 7 and the third bin 8 each include a finished product bin 9 and a weighing hopper 10, the weighing hopper 10 is disposed at a discharge hopper end of the finished product bin 9, and a weighing sensor is disposed inside the weighing hopper 10 and electrically connected to the control system. Weighing hopper 10 receives the material that discharges in finished product storehouse 9, weigh the material according to system setting, when reaching target weight, transmission signal gives control system, close finished product storehouse 9 by control system, discharge the material that weighs well afterwards to band conveyer 1 on, carry the material that the ratio is good to waiting feed bin 2 by band conveyer 1 and store, wait that stirring host 3 accomplishes the stirring back of last stirring cycle, will wait that the material of feed bin 2 discharges and stir in stirring host 3.

As a preferred embodiment, the mixing station includes a mounting frame 11, and the material waiting bin 2, the first discharging door 4, the mixing main machine 3 and the second discharging door 5 are sequentially arranged on the mounting frame 11 from top to bottom. The first discharge door 4 controls the opening and closing of the discharge hole of the standby bin 2, and the second discharge door 5 controls the opening and closing of the stirring host machine 3. The first discharging door 4, the stirring main machine 3 and the second discharging door 5 are controlled by a control system, and in a stirring period, when the stirring main machine 3 finishes stirring, the control system controls the second discharging door 5 to open and transmits the stirred materials to equipment such as a tank car; after the discharging is finished, the second discharging door 5 is closed, the control system controls the first discharging door 4 to be opened, and the materials in the material bin 2 are transmitted to the stirring host machine 3 to be stirred.

In a preferred embodiment, a mounting flange 12 is arranged at the bottom of the mounting frame 11, and the mounting flange 12 is connected with a mounting base reserved on the ground.

Example 3

As shown in fig. 1 to 3, the present embodiment is developed on the basis of the above embodiments, specifically, the present embodiment provides an operation principle applicable to a concrete mixing plant in a mine crushing plant, and the present embodiment is described by taking two mixing cycle periods as an example, as follows:

in the production process, in the first stirring cycle period, after the control system controls the second discharging door 5 to be closed, the first discharging door 4 is opened, so that the materials stored in the waiting bin 2 are transmitted to the stirring host machine 3 to be stirred. After the first discharging door 4 finishes discharging, a signal is transmitted to the control system, and the control system controls the first group of raw material bins to weigh and dispense materials; after the material is prepared, the material is transmitted to a material waiting bin 2 through a belt conveyor 1 to be stored, and the next material discharging is waited. When the first discharging door 4 is opened, cementing materials such as cement, coal ash and the like are discharged, water and additives are discharged, the materials are stirred by the stirring main machine 3, after concrete is stirred to be mature, the second discharging door 5 is opened for discharging, and after the discharging is finished, the second discharging door 5 is closed, so that the first stirring cycle is completed.

In the stirring cycle period of the second time, after the control system controls the second discharge door 5 to be closed, the first discharge door 4 is opened, so that the materials stored in the waiting bin 2 by the first group of raw material bins are transmitted to the stirring host machine 3 for stirring. After the first discharging door 4 finishes discharging, a signal is transmitted to the control system, and the control system controls the second group of raw material bins to weigh and dispense materials; after the material is prepared, the material is transmitted to a material waiting bin 2 through a belt conveyor 1 to be stored, and the next material discharging is waited. When the first discharging door 4 is opened, cementing materials such as cement, coal ash and the like are discharged, water and additives are discharged, the materials are stirred by the stirring main machine 3, after concrete is stirred to be mature, the second discharging door 5 is opened for discharging, and after the discharging is finished, the second discharging door 5 is closed, so that the second stirring cycle is completed. The normal production of the mixing plant is realized by the cyclic reciprocation. It is worth explaining that when two sets of raw material bins are used for weighing and proportioning, the two sets of raw material bins can be controlled by the control system to be used for proportioning in advance, and when a corresponding stirring period is carried out, the proportioning time can be saved, and the normal production of the stirring station can be realized.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a be suitable for broken mill concrete mixing plant in mine which characterized in that: the bottom surface of the stirring station is arranged below the horizontal plane; the stirring station comprises two groups of raw material bins, a belt conveyor (1), a material waiting bin (2), a stirring main machine (3), a first discharging door (4), a second discharging door (5) and a control system; the discharging sides of the two groups of raw material bins are communicated with the feeding holes of the waiting bin (2) through the belt conveyor (1); the discharge hole of the material waiting bin (2) is communicated with the feed inlet of the stirring main machine (3); the first discharging door (4) is arranged at a discharging opening of the material waiting bin (2); the second discharging door (5) is arranged at the discharging opening of the stirring main machine (3); the raw material bin, the belt conveyor (1), the stirring main machine (3), the first discharging door (4) and the second discharging door (5) are all controlled by the control system.

2. The concrete mixing plant applicable to the mine crushing plant according to claim 1, characterized in that: the bottom surface of the stirring station is arranged below the horizontal plane by at least minus three meters.

3. The concrete mixing plant applicable to the mine crushing plant according to claim 1, characterized in that: the two groups of raw material bins comprise a first bin (6), a second bin (7) and a third bin (8) which are separately arranged according to the particle sizes of the raw materials; the raw material bins of the same type are arranged adjacently.

4. The concrete mixing plant applicable to the mine crushing plant according to claim 3, wherein: all include finished product storehouse (9) and scale hopper (10) in first storehouse (6), no. two storehouses (7) and No. three storehouses (8), scale hopper (10) set up finished product storehouse (9) discharge hopper end, scale hopper (10) inside is provided with weighing sensor, weighing sensor with the control system electricity is connected.

5. The concrete mixing plant applicable to the mine crushing plant according to claim 1, characterized in that: the stirring station comprises a mounting frame (11), and the material waiting bin (2), the first discharging door (4), the stirring host (3) and the second discharging door (5) are sequentially arranged on the mounting frame (11) from top to bottom.

6. The concrete mixing plant applicable to the mine crushing plant according to claim 5, wherein: the bottom of mounting bracket (11) is provided with mounting flange (12), mounting flange (12) are connected with the installation basis that ground was reserved.