阅读说明：本技术 一种自落式搅拌楼及其控制系统 (Self-falling type mixing plant and control system thereof ) 是由 张永强 陈春龙 郑智中 范雪艳 张刘政 蔡媛媛 于 2020-05-25 设计创作，主要内容包括：本发明公开了一种自落式搅拌楼,包括上料设备、存储设备、配料设备、搅拌设备及其控制系统,通过控制系统进行上料、配料、卸料、搅拌、出料的生产过程控制。并且控制系统具有两台工控机进行调控,这两台工控机共享数据,当主控机发生故障时备用工控机可以立刻投入运行代替主控机接管搅拌楼的生产控制,以保障生产过程运转流畅,且避免出现系统故障式,导致整个搅拌楼停止工作；本发明中具有三台显示屏,利于工艺流畅可视化监控,也利于及时发现故障,进而保障生产过程便捷顺利；本发明通过温度监控,可自动调节物料温度,从而保证最终出料温度适宜,进而保证出料品质；本发明通过控制系统调控使得物料配比准确,利于标准化生产。(The invention discloses a free-falling mixing plant which comprises a feeding device, a storage device, a batching device, a mixing device and a control system thereof, wherein the control system is used for controlling the production processes of feeding, batching, discharging, mixing and discharging. The control system is provided with two industrial personal computers for regulation and control, the two industrial personal computers share data, and when the main control computer fails, the standby industrial personal computers can be immediately put into operation to replace the main control computer to take over the production control of the mixing plant, so that the smooth operation of the production process is ensured, and the system failure mode is avoided, and the whole mixing plant stops working; the three display screens are arranged, so that smooth and visual monitoring of the process is facilitated, faults can be found in time, and the convenience and smoothness of the production process are further guaranteed; according to the invention, through temperature monitoring, the temperature of the material can be automatically adjusted, so that the final discharging temperature is ensured to be appropriate, and the discharging quality is further ensured; the invention ensures that the material proportion is accurate through the regulation and control of the control system, and is beneficial to standardized production.)

1. The utility model provides a from formula of falling stirring building, its characterized in that, includes charging equipment, storage device, dosing unit, agitated vessel and control system, wherein during charging equipment carried the storage device with the material to correspond the material classification and divide into cement bin, coal storehouse, big stone feed bin, well stone feed bin, small stone feed bin, sand silo, sump, admixture storehouse with storage device, and the storage device below is the dosing unit, the dosing unit is for corresponding the weighing hopper that storage device carried out the setting to every feed bin corresponds a weighing hopper and carries out the material measurement, and the setting of dosing unit below turns over the board so that concentrate the unloading, and turns over the board below and be agitated vessel, the agitated vessel main part is the mixer, the mixer drives wherein the vane that revolves through agitator motor and stirs to set up the discharge gate.

2. The free-fall mixing plant according to claim 1, wherein the control system comprises a main control computer and a standby industrial personal computer, wherein the main control computer performs production control on the mixing plant, the standby industrial personal computer performs production management and has a control machine, when the main control computer fails, the standby industrial personal computer can be immediately put into operation to replace the main control computer to take over production control of the mixing plant, the two industrial personal computers share data, and are respectively connected with a display screen, namely a display screen of the main control computer and a display screen of the standby industrial personal computer, and a third display screen is arranged on the discharging console and is regarded as a display screen of the discharging console, so that the production condition of the whole plant can be synchronously monitored.

3. The free-falling mixing plant according to claim 2, wherein the inner walls of the various storage bins of the storage device are provided with detection probes of material level indicators, and the material level indicators are electrically connected with the control system and used for detecting the filling condition of the materials in the storage bins.

4. The free-fall mixing plant according to claim 2, wherein the storage device is provided with wall temperature sensors on the outer walls of the various storage bins, and the wall temperature sensors are electrically connected with the control system for transmitting temperature variation data to the control system.

5. A drop-out mixing plant as defined in claim 4, wherein a further discharge outlet temperature sensor is connected to the control system and is located at the discharge outlet of the mixer for detecting discharge outlet temperature data and transmitting the data to the control system for temperature adjustment in cooperation with the temperature data measured by the wall temperature sensor.

6. The free-fall mixing plant according to claim 2, wherein bin gate solenoid valves are disposed at bin gates below the various bins in the storage device, and are electrically connected to the control system, and under the control of the control system, the bin gates are opened to allow the materials to fall into the corresponding weighing hoppers below.

7. A drop-down mixing plant as defined in claim 6, wherein each of said scales is electrically connected to the control system, and the data of the weight of the material therein is input to the control system to form the metering data for controlling the weight of the material entering the scale.

8. The free-fall mixing plant according to claim 7, wherein a scale hopper door solenoid valve is disposed below the scale hopper, and the scale hopper door solenoid valve is electrically connected to the control system, and adjusts the on/off of the scale hopper door solenoid valve according to the accurate data analyzed and compared by the control system, thereby precisely controlling the weight of the material entering the mixer.

9. The free-fall mixing plant according to claim 2, wherein the flap is turned by a motor, and the motor is controlled by a control system to operate, so that the flap is laid flat for receiving the material, or the flap is turned to pour the material into the mixer.

10. The free-falling mixing plant according to claim 2, wherein a discharge outlet electromagnetic valve is arranged at the discharge outlet of the mixer, the discharge outlet electromagnetic valve is electrically connected with the control system, and the discharge outlet electromagnetic valve is opened or closed under the control of the control system, so as to facilitate metering and discharging.

Technical Field

The invention belongs to the technical field of mixing plants, and relates to a free-falling mixing plant and a control system thereof.

Background

The mixing plant is mainly used for concrete engineering and mainly used for mixing mixed concrete, and is also called a concrete mixing plant; the concrete is suitable for large-scale infrastructure construction projects such as city, village and town commodity premixed concrete, roads and bridges, water conservancy projects, airports, ports and the like and places with large demand of concrete.

The mixing plant is usually controlled by a microcomputer automatic control system to realize automatic control of production processes such as feeding, weighing, mixing, discharging and the like, and manual intervention can be performed; in actual production, the method needs to be improved in the aspects of process coordination, visual control, accurate blanking, temperature control and cooling and the like, so that the smooth production control and stable operation of mixing station buildings are facilitated, and faults are reduced

Disclosure of Invention

The invention aims to provide a stirring building which enables a production process to be visualized and convenient through a control system, can automatically control temperature and can accurately discharge materials.

The technical scheme adopted by the invention is as follows:

the utility model provides a from formula of falling stirring building, includes charging equipment, storage device, dosing unit, agitated vessel and control system, wherein charging equipment carries the material in the storage device to correspond the material classification and divide into cement bin, coal storehouse, big stone feed bin, well stone feed bin, small stone feed bin, sand silo, sump, admixture storehouse with storage device, and the storage device below is the dosing unit, the dosing unit is for corresponding the weighing hopper that storage device carried out the setting to every feed bin corresponds a weighing hopper and carries out the material measurement, and the setting of dosing unit below is turned over the board so that concentrate and unload, and turns over the board below and be agitated vessel, the agitated vessel main part is the mixer, the mixer drives wherein the vane through agitator motor and stirs to set up the discharge gate.

The design is mainly characterized in that the control system comprises a main control machine and a standby industrial personal computer, wherein the main control machine is used for carrying out production control on the mixing building, the standby industrial personal computer is used for carrying out production management and controlling, when the main control machine breaks down, the standby industrial personal computer can be immediately put into operation to replace the main control machine to take over the production control of the mixing building, the two industrial personal computers share data, and are respectively connected with a display screen which is respectively a display screen of the main control machine and a display screen of the standby industrial personal computer, and a third display screen is arranged on a discharge control console and is regarded as a display screen of the discharge control console, so that the production condition of the whole building can be synchronously monitored.

Further, the storage device on all kinds of feed bin inner walls on all be provided with the test probe of material level indicator to these material level indicator electricity connection control system for detect the interior material filling condition of feed bin.

And further, bin wall temperature sensors are arranged on the outer walls of various bins in the storage equipment, and the bin wall temperature sensors are electrically connected with the control system and used for transmitting temperature change data to the control system.

In addition, a discharge port temperature sensor is connected with the control system in a point mode, and the discharge port temperature sensor is located at the discharge port of the stirrer and used for detecting discharge temperature data and transmitting the discharge temperature data to the control system so as to adjust the temperature in cooperation with temperature data measured by the bin wall temperature sensor.

And further, bin gate electromagnetic valves are arranged at bin gates below various bins in the storage equipment, the bin gate electromagnetic valves are electrically connected with the control system, and under the control of the control system, the bin gates are opened to enable the materials to fall into the corresponding scale buckets below.

Furthermore, the scale buckets are all electrically connected with the control system, and then data input of material weighing in the scale buckets is sent to the control system, so that metering data is formed, and the weight of the material entering the scale buckets can be controlled conveniently.

Further, the scale bucket below all is provided with scale bucket door solenoid valve to scale bucket door solenoid valve electricity connection control system to according to the accurate data that control system analysis contrast was gone out, adjust the switch of scale bucket door solenoid valve, and then the material weight that accurate control got into the mixer.

Further, the turning plate is driven to turn through the motor, and the motor is controlled by the control system to operate, so that the turning plate is flatly placed to receive materials, or the turning plate turns to pour the materials into the stirring machine.

Further, a discharge port electromagnetic valve is arranged at the discharge port of the stirrer and electrically connected with the control system, and the discharge port electromagnetic valve is opened or closed under the control of the control system, so that the metering and discharging are facilitated.

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

1. the control system comprises two industrial personal computers for regulation, wherein one industrial personal computer is used for carrying out production control on the mixing building, the other industrial personal computer is used for carrying out production management and has a control machine, the two industrial personal computers share data, and when the main control machine fails, the standby industrial personal computer can be immediately put into operation to replace the main control machine to take over the production control of the mixing building, so that the smooth operation of the production process is ensured, and the system failure mode is avoided, and the whole mixing building stops working;

2. the three display screens are arranged, so that smooth and visual monitoring of the process is facilitated, faults can be found in time, and the convenience and smoothness of the production process are further guaranteed;

3. according to the invention, through temperature monitoring, the temperature of the material can be automatically adjusted, so that the final discharging temperature is ensured to be appropriate, and the discharging quality is further ensured;

4. according to the invention, the control system regulates and controls the discharging and blanking of the electromagnetic valve, so that the material proportion is accurate, the discharging quality is ensured to be consistent, and the standardized production is facilitated.

Drawings

FIG. 1 is a schematic diagram of the composition of the overall apparatus of the present invention;

FIG. 2 is a schematic diagram of the control system of the present invention;

the labels in the figure are: 1-cement bin, 2-coal bin, 3-large stone bin, 4-medium stone bin, 5-small stone bin, 6-sand bin, 7-water bin, 8-additive bin, 9-turning plate, 10-stirrer, 11-stirring motor, 12-discharge port, 13-discharge port temperature sensor, 14-discharge port electromagnetic valve, 15-material level device, 16-bin wall temperature sensor, 17-bin gate electromagnetic valve, 18-weighing hopper, 19-weighing hopper gate electromagnetic valve, 20-feeding auger, 21-feeding belt, 22-refrigeration building, 23-standby industrial computer, 24-main control computer, 25-standby industrial computer display screen, 26-main control computer display screen and 27-discharge control table display screen.

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.

As shown in fig. 1-2, a free fall type mixing plant comprises a feeding device, a storage device, a batching device, a mixing device and a control system thereof, wherein the feeding device can select a feeding auger 20 or a feeding belt 21 to convey materials according to the types of the materials, the feeding device conveys the materials into the storage device, the storage device is divided into a cement bin 1, a coal bin 2, a large stone bin 3, a medium stone bin 4, a small stone bin 5, a sand bin 6, a water bin 7 and an additive bin 8 according to the types of the materials, the batching device is arranged below the storage device and is a weighing hopper 18 arranged corresponding to the storage device, each bin corresponds to one weighing hopper to measure the materials, a turning plate 9 is arranged below the batching device to facilitate centralized unloading, the mixing device is arranged below the turning plate 9, the main body of the mixing device is a mixer 10, the mixer 10 drives a rotary vane thereof to mix through a mixing motor 11, and a discharge port 12 is provided.

In order to cooperate control system to the control of stirring building charging equipment, storage device, dosing unit, agitated vessel, and set up the sensor on all kinds of equipment, and then be convenient for control system to carry out data analysis and order according to data information and give down, specifically as follows:

storage device on all kinds of feed bin inner walls on all be provided with the test probe of charge level indicator 15 to these 15 electricity connection control systems of charge level indicator for detect the interior material filling condition of feed bin, so that control system analysis and instruction charging apparatus go on or stop operating.

All be provided with bulkhead temperature sensor 16 on all kinds of feed bin outer walls in the storage device to these bulkhead temperature sensors 16 all electricity connect control system for with temperature change data transfer to control system, and then be convenient for control system according to temperature dynamic instruction refrigeration building 22 and carry out temperature regulation to storage device.

In addition, a discharge port temperature sensor 13 is connected with the control system, the discharge port temperature sensor 13 is positioned at the discharge port of the stirrer and used for detecting discharge temperature data and transmitting the discharge temperature data to the control system, and then the temperature data measured by the bin wall temperature sensor 16 is used for adjusting the temperature of various materials.

The bin gate solenoid valves 17 are arranged at bin gates below various bins in the storage device, the bin gate solenoid valves 17 are all electrically connected with the control system, and under the control of the control system, the bin gates are opened to enable the materials to fall into the corresponding scale buckets 18 below.

The scale hoppers 18 are electrically connected with the control system, and then the data of weighing the materials in the scale hoppers are input into the control system, so that metering data is formed, the control system can adjust the opening and closing of the bin gate electromagnetic valve 17 according to the set value of the proportion of the ingredients, and further the weight of the materials entering the scale hoppers is controlled.

All be provided with scale hopper door solenoid valve 19 below the scale hopper 18 to 19 electric connection control system of scale hopper door solenoid valve to according to the accurate data that control system analysis contrasted out, adjust the switch of scale hopper door solenoid valve 19, and then the accurate material weight that control got into the mixer.

The turning plate 9 is driven to turn through a motor, the motor is controlled by a control system to operate, and then the turning plate 9 is flatly placed to receive materials, or the turning plate turns to pour the materials into the stirring machine.

The discharge port electromagnetic valve 14 is arranged at the discharge port 12 of the stirrer, the discharge port electromagnetic valve 14 is electrically connected with the control system, and the discharge port electromagnetic valve 14 is opened or closed under the control of the control system, so that the metering discharge is facilitated.

The operation of the stirring motor 11 is controlled by the control system, and stirring is performed according to the instruction of the control system or is stopped according to the instruction.

Further explaining the operation mode of the control system, as shown in fig. 2, the control system includes two data-sharing industrial personal computers, namely a main control computer 24 and a standby industrial personal computer 23, wherein the main control computer 24 performs production control on the mixing plant, and the standby industrial personal computer 23 performs production management and a control computer, when the main control computer 24 fails, the standby industrial personal computer 23 can be immediately put into operation to replace the main control computer to take over the production control of the mixing plant, the two industrial personal computers share data, and externally provide network interfaces for the production control and management of the whole mixing system, and are respectively connected with a display screen, namely a main control computer display screen 26 and a standby display screen 25, and a third display screen is on a discharge control console, which is regarded as a discharge control console display screen 27, so as to synchronously monitor the production actual conditions of the whole mixing plant.

Taking the main control machine 24 as an example for controlling production, as shown in fig. 2, a production process of the free fall type mixing plant includes the following steps.

The first step is feeding, the main control machine 24 controls the feeding equipment to fill materials corresponding to the storage bin, the filling condition is monitored by the material level indicator 15, and when the storage bin is full, the main control machine 24 controls the feeding equipment to stop running; while being monitored by the wall temperature.

Specifically, the materials in the cement bin 1 and the coal bin 2 are powdery materials, so a feeding auger is selected for conveying the materials; the large stone bin 3, the middle stone bin 4, the small stone bin 5 and the sand bin 6 are all granular materials, so that a feeding belt is selected for conveying the materials; in addition, the water bin 7 conveys water in a water source into the bin through a water pump, and the additive bin 8 can be supplemented timely due to less materials.

Step two is batching, through inputting the batching proportion of settlement into main control computer 24, and main control computer 24 control door solenoid valve 17 opens for the material falls into the weighing bucket that the below corresponds, and the weighing bucket conveys the material weighing data to main control computer 24, and main control computer 24 closes the corresponding door solenoid valve 17 in weighing bucket top according to the batching proportion and closes.

And step three, unloading, analyzing and comparing the weight of the required materials again through the main control machine 24, further opening the scale hopper door electromagnetic valve 19 below the scale hopper, unloading the materials in each scale hopper onto the turning plate 9, controlling accurate unloading through the main control machine 24, closing the scale hopper door electromagnetic valve 19 in time, and reserving the redundant materials in the scale hopper.

Step four is stirring, the turning plate 9 is controlled by the main control machine 24 to pour the materials into the stirrer 10, and the stirring motor 11 is started to stir the materials, so that the materials are uniformly mixed.

Step five is discharging, the main control machine 24 controls the discharge port electromagnetic valve 14 to be opened, discharging is further carried out, and meanwhile discharging temperature monitoring is carried out.

In the above process, the data input, data output, equipment operation, electromagnetic valve switch and temperature display of the production process control by using the main control machine 24 are all displayed on the display screen 26 of the main control machine, so that the visual monitoring and adjustment of the field production process are facilitated, and the fault is found in time; control data of the production process on the main control machine 24 are synchronously sent to the standby industrial control machine 23 and are simultaneously displayed on a display screen 25 of the standby industrial control machine, so that visual production management in a monitoring room is facilitated; and the display screen 27 of the discharging control console is arranged at the working section of the discharging control console, so that the temperature monitoring and the discharging control are convenient.

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.