A quantitative feeding system

Abstract

A quantitative feeding system includes a stirring tank, a PLC control device and a horizontal cylinder quantitative feeding device controlled by the same, a hopper vibration device, and a water inlet device; the horizontal cylinder quantitative feeding device is arranged above the stirring tank, and is connected to the stirring tank through a trough, the top and bottom of the trough are both provided with partitions, and are connected to the bottom partition through a hinge, the hopper vibration device is installed on both sides of the horizontal cylinder quantitative feeding device, and a stirring device is arranged in the stirring tank. It also includes a liquid storage tank connected to the stirring tank through a pipeline. All devices of the present invention introduce a PLC control device to realize remote control, automatic quantitative feeding of materials, and automatic stirring, and calculate the water intake through the control device according to the volume of the trough, so as to control the concentration of materials in a simple manner. The whole device is simple to operate, low in operating cost, and convenient to manage, which greatly saves costs, and can be widely used in fields such as water treatment, medicine, and chemical industry that require metered addition of agents or reactants.

Description

Technical Field

[0001] The invention belongs to the field of quantitative feeding devices and relates to an accurate and simple material configuration system. Background Art

[0002] The existing material addition system in the water treatment industry consists of a material hopper, a water inlet pipe, a metering device and a mixing tank. The material configuration methods include automatic control and manual adjustment, and the cost or accuracy of both are difficult to meet the requirements at the same time. Therefore, it is an objective need to research and develop a material addition control system that is accurate in configuration and simple to operate. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the existing automatic feeding system: high price or low accuracy, manual feeding requires increased labor costs and the feeding amount is difficult to control, the purpose of the present invention is to provide a feeding system with precise preparation and simple operation, which can achieve precise feeding through a simple PLC control system, obtain the ideal feed liquid concentration and store it.

[0004] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A quantitative feeding system comprises a horizontal cylinder quantitative feeding device, a hopper vibration device, a water inlet device, a stirring tank, a liquid storage tank and a PLC control device; the stirring tank and the liquid storage tank can be placed side by side on the ground and connected by a pipeline, the horizontal cylinder quantitative feeding device is arranged above the stirring tank, and is connected to the stirring tank through a trough, the top and bottom of the trough are both provided with partitions, and are connected to the bottom partition through hinges, the hopper vibration device is installed on both sides of the horizontal cylinder quantitative feeding device, and a stirring device is arranged in the stirring tank.

[0006] When the device is used, firstly, the hopper vibration device is controlled by the PLC control device to add materials. After the addition is completed, the hopper vibration device is turned off by the PLC control device to stop adding materials.

[0007] Preferably, the PLC control device controls the cylinder to push the material tank slowly forward through the connecting rod. The bottom partition of the material tank is provided with a sliding device. When it moves to the top of the opening of the mixing tank, the top partition of the material tank blocks the hopper outlet, and the bottom partition slides along the hinge to the edge of the opening and tilts to a ninety-degree angle, so that the quantitative material in the material tank falls into the mixing tank.

[0008] Preferably, the PLC control device controls the cylinder to push the material tank to move slowly backwards to the initial position through the connecting rod.

[0009] Preferably, the PLC control device sets the number of times the material is added, the single material addition amount is fixed, and the total amount of material added is counted according to the number of additions.

[0010] Preferably, after the addition of the material is completed, the PLC control device controls the water inlet device to feed water into the stirring tank, and at the same time controls the stirring device to stir. The water inlet is provided with a flow meter, and the stirring tank is provided with a liquid level meter. When the liquid level reaches a certain level, the liquid level meter transmits a signal to the PLC control device to stop adding water.

[0011] Preferably, the PLC control device controls the stirring device in the stirring tank to stir the material-water mixture in the tank, and stops stirring according to a set time.

[0012] Preferably, the PLC control device controls a metering pump outside the stirring tank to pump the mixed material in the stirring tank to the storage tank through a pipeline.

[0013] Preferably, a liquid level meter is provided in the liquid storage tank to monitor the volume of the solution in the tank, and when the limited capacity is reached, the equipment stops running.

[0014] Due to the adoption of the above technical solution, the beneficial effects of the present invention include:

[0015] The device of the present invention is simple, and the opening and closing of the hinged bottom plate of the trough is realized by the process of pushing and retracting the cylinder, and the hopper outlet is blocked and opened by the trough partition at the same time;

[0016] The present invention calculates the material dosage added to the stirring tank according to the volume of the material tank and the number of cylinder pushes, adjusts the water intake through the PLC control device, and accurately controls the concentration of the material liquid;

[0017] The PLC control device of the present invention can control the sequential working time of the vibration device, the cylinder device and the water inlet device;

[0018] The PLC control device of the present invention can remotely transmit the parameters of the feeding system to achieve remote control;

[0019] The invention has the advantages of accuracy, simplicity, low operating cost and convenient management, and can be widely used in fields such as water treatment, medicine, and chemical industry that require metered addition of agents or reactants. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a feeding control system of the present invention.

[0021] Figure 2 It is a structural schematic diagram of a feeding tank in a feeding control system of the present invention when in use.

[0022] 1-horizontal cylinder, 2-mixing tank, 3-hopper, 4-material tank, 5-PLC control device, 6-vibration device, 7-flow meter, 8-water inlet pipe, 9-mixing device, 10-liquid storage tank, 111-mixing tank level gauge, 112-liquid storage tank level gauge, 121-mixing tank metering pump, 122-liquid storage tank metering pump, 13-water outlet, 31-sensor, 41-movable hinge, 42-sliding device, 43-top partition of material tank, 44-bottom partition of material tank. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0024] like Figure 1 As shown, a feeding control system includes a horizontal cylinder 1, a stirring tank 2, a hopper 3, a liquid storage tank 10 and a PLC control device 5. The stirring tank 2 is connected to a water inlet pipe 8 with a flow meter 7, a stirring device 9, a stirring tank metering pump 121 and a liquid storage tank metering pump 122. Vibrating devices 6 are arranged on both sides of the hopper 3. The stirring tank 2 and the liquid storage tank 10 can be respectively provided with a stirring tank level gauge 111 and a liquid storage tank level gauge 112, wherein the horizontal cylinder 1, the flow meter 7, the vibration device 6, the stirring device 9 and the stirring tank level gauge 111, the liquid storage tank level gauge 112, the stirring tank metering pump 121, and the liquid storage tank metering pump 122 are respectively electrically connected to the PLC control device 5. The lower outlet of the hopper 3 is connected to the material trough 4, and an openable partition 43 is provided between the lower outlet of the hopper 3 and the material trough 4; the lower outlet of the material trough 4 is hinged to the material trough bottom plate 44, and the top of the stirring tank 2 is provided with an opening. One end of the horizontal cylinder 1 is connected to the material trough 4 through a connecting rod, which can drive the material trough 4 to move from the initial position to the opening of the stirring tank for docking, and after the material is added, the material trough 4 is moved to the initial position. The stirring tank 2 is connected to a water outlet pipe leading to the liquid storage tank 10, and the water outlet pipe can be connected to the stirring tank metering pump 121, and the dissolved material in the stirring tank 2 can be pumped to the liquid storage tank 10.

[0025] Working principle: in the initial state of the feeding control system, the horizontal cylinder 1 and the material trough 4 are in the initial position, at this time, the hinged bottom material trough bottom plate 44 is in a closed state, and the outlet of the hopper 3 is connected to the material trough 4; in the working state, the vibration device 6 is started by the PLC control system 5 to feed; after the feeding is completed, the PLC control device 5 turns off the vibration device 6 and starts the horizontal cylinder 1, pushing the material trough 4 to move to the opening of the mixing tank 2, and the material trough bottom plate 44 slides along the hinge to feed, and the partition 43 on the material trough 4 gradually blocks the outlet of the hopper 3 when moving, ensuring that it is completely blocked before the material trough bottom plate 44 slides along the hinge; after the feeding is completed, the PLC control device 5 controls the horizontal cylinder 1 to return the material trough 4 to the initial position, and the bottom The partition plate 44 re-blocks the bottom of the material tank 4 to ensure that the bottom plate 44 of the material tank re-blocks the bottom of the material tank 4 before the material tank 4 returns to its initial position. After a single feeding is completed, the vibration device 6 is reopened to feed the material tank 4 again; the number of repeated feedings is set in the PLC control device 5, and the total amount of feeding is counted according to the number of repeated times; after the feeding is completed, the water inlet device is turned on by the PLC control device 5 and the stirring device 9 is turned on at the same time, the total water inlet rate of the stirring tank is adjusted by the flow meter 7, and the total amount of water in the stirring tank is adjusted by the liquid level meter 11; after the material in the stirring tank 2 is dissolved, it is pumped to the liquid storage tank 10 by the metering pump stirring tank metering pump 121, and the material liquid is pumped to the outside through the water outlet 13 through the liquid storage tank metering pump 122.

[0026] The above-mentioned related explanations and descriptions of the embodiments are for the convenience of those skilled in the art to understand and apply the present invention. It is obvious that those familiar with the art can easily make various modifications to these contents and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above-mentioned related explanations and descriptions of the embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the protection scope of the present invention.

Claims

1. A quantitative feeding system, characterized in that: It includes a mixing tank, a PLC control device and a horizontal cylinder quantitative feeding device controlled by it, a hopper vibration device, and a water inlet device; the horizontal cylinder quantitative feeding device is arranged above the mixing tank, and is connected to the mixing tank through a trough, and partitions are arranged on the top and bottom of the trough, and are connected to the bottom partition through hinges, the hopper vibration device is installed on both sides of the horizontal cylinder quantitative feeding device, and a stirring device is arranged in the mixing tank; The invention comprises a horizontal cylinder (1), a stirring tank (2), a hopper (3) and a PLC control device (5), wherein the stirring tank (2) is connected to a water inlet pipe (8) and a stirring device (9); wherein the horizontal cylinder (1), the vibration device (6) and the stirring device (9) are respectively electrically connected to the PLC control device (5); the lower end outlet of the hopper (3) is connected to a material trough (4), and an openable partition (43) is provided between the lower end outlet of the hopper (3) and the material trough (4); the lower end outlet of the material trough (4) is hinged to a material trough bottom plate (44), and an opening is provided at the top of the stirring tank (2); one end of the horizontal cylinder (1) is connected to the material trough (4) through a connecting rod to drive the material trough (4) to move from an initial position to the opening of the stirring tank for docking, and after the material is added, the material trough (4) is moved to the initial position; The PLC control device controls the cylinder to push the material tank slowly forward through the connecting rod. The bottom partition of the material tank is provided with a sliding device. When it moves to the top of the opening of the mixing tank, the top partition of the material tank blocks the hopper outlet, and the bottom partition slides along the hinge to the edge of the opening and tilts to a ninety-degree angle, so that the quantitative material in the material tank falls into the mixing tank.

2. The quantitative feeding system according to claim 1, characterized in that: It also includes a liquid storage tank connected to the stirring tank through a pipeline.

3. The quantitative feeding system according to claim 1, characterized in that: It also includes a liquid storage tank (10) connected to the stirring tank (2) via a water outlet pipe.

4. The quantitative feeding system according to claim 3, characterized in that: The water outlet pipe is connected to the mixing tank metering pump (121) to pump the dissolved material in the mixing tank (2) to the liquid storage tank (10); the mixing tank metering pump (121) is electrically connected to the PLC control device (5).

5. The quantitative feeding system according to claim 3, characterized in that: The liquid storage tank (10) is provided with a water outlet (13) and a liquid storage tank metering pump (122) for pumping the liquid to the outside. The liquid storage tank metering pump (122) is electrically connected to the PLC control device (5).

6. The quantitative feeding system according to claim 1, characterized in that: A flow meter (7) is provided on the water inlet pipe (8), and the flow meter (7) is electrically connected to the PLC control device (5).

7. The quantitative feeding system according to claim 1, characterized in that: The stirring tank (2) is provided with a stirring tank liquid level meter (111), and the stirring tank liquid level meter (111) is electrically connected to the PLC control device (5).

8. The quantitative feeding system according to claim 3, characterized in that: The liquid storage tank (10) is provided with a liquid storage tank level gauge (112), and the liquid storage tank level gauge (112) is electrically connected to the PLC control device (5).

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