CN205182583U - Feeder apparatus is thrown to automatic medicament of integration - Google Patents

Abstract

An integrated automatic medicament dosing device, comprising a medicament solution box (1) and a metering box (2) connected in sequence, each of the medicament solution box (1) and the metering box is provided with a stirring device (4), and the metering box passes through a pipeline And the filter is then connected to the metering pump for output; the desalted water or industrial water interface (13) is connected to the water inlet of the metering box (2). The utility model realizes the stability of the liquid medicine configuration index, ensures the stable operation of the water treatment equipment, reduces the operation risk and cost, and improves the work efficiency and economic benefits.

Description

An integrated automatic drug dosing device

technical field

The utility model relates to a novel integrated automatic chemical dosing device, which can be widely used in petrochemical, pharmaceutical, electronic, electric power and other water treatment chemical dosing devices.

Background technique

my country's industrial field is developing rapidly, and the demand and dependence on water resources are getting tighter day and night. For this reason, the state vigorously supports and develops technologies such as pretreatment and regeneration of water resources. Among them, industrial water treatment technology has been greatly developed and promoted. Promote apps. In the industrial water treatment system, the dosing system is very important to the entire follow-up process system. According to the different processing requirements of the system, the setting of scale inhibitors, bactericides, coagulants, regenerants, etc. are collectively referred to as "dosing devices". Different samples have different forms, divided into liquid and solid. Commonly used dosing devices manually adjust the dosing amount and concentration, and manually add medicines according to the water quality. This form greatly wastes manpower and requires that the dosing cannot be accurate and timely. The new integrated automatic dosing device can do it : ①Automatic proportioning of medicine solution, automatically add corresponding medicine (or directly add liquid medicine) according to the water level in the medicine solution tank, and configure high-concentration medicine solution; ②Automatically dilute and add medicine, according to the liquid level in the metering box, automatically Leave to add the corresponding solution for dilution; ③The dosage can be automatically dosed according to the water quality, and the metering pump can be controlled by frequency conversion to add the required dosage. Reduce labor and realize automation functions.

Utility model content

The purpose of this utility model is: to propose a new type of integrated automatic medicament dosing device, realize the stability of the liquid medicine configuration index, ensure the stable operation of the water treatment equipment; improve work efficiency and economic benefits; The function of stirring and pretreatment of the solution. According to the concentration of the required drug, calculate how much saturated liquid medicine needs to be fed under a certain amount of water in the metering box. After the liquid in the metering box is stirred evenly, the drug is added to the pipeline to be added by the metering pump.

The technical solution of the utility model: an integrated automatic medicament dosing device, including a medicament solution box (1) and a metering box (2) connected in sequence, and a stirring device is provided in the medicament solution box (1) and the metering box (4), the metering box is output after being connected to the metering pump through a pipeline and a filter; the desalted water or industrial water interface (13) is connected to the water inlet of the metering box (2). That is, after the liquid medicine is configured, it is output to the water treatment application unit by the metering pump.

Further, the medicine solution box (1) and the metering box (2) are cylindrical or square (the square medicine solution box and the metering box can be made into a rectangular whole, with a gap in the middle), with a diameter of DN500mm to DN3000mm, the effective height (excluding outriggers, foundation, etc.) is 500mm to 3000mm, the specific size can be selected according to the needs and site restrictions, the quantity of the chemical solution box (1) and the metering box (2) is selected according to the actual situation, and the number n≥ 1. Each chemical solution box (1) and metering box (2) are made of stainless steel pipe or carbon steel or carbon steel rubber lining, and each equipment has a manhole (12), liquid level gauge interface, desalted water or industrial water Interface (13), sewage outlet, etc., each metering box is equipped with a stirring device (4) and a liquid level gauge (10).

Further, the type and quantity of the metering pump (3) are selected according to the actual situation, the quantity n≥1, the inlet pipeline of the metering pump is equipped with a Y-type filter (11), and the outlet pipeline is equipped with a safety valve (6) and a buffer tank (5), The accessory model is determined according to the actual dosage.

Further, the metering pump (3), stirring device (4), automatic valve, etc., power cables are arranged in the electrical cabinet (7), and the control cables and metering pump (3) frequency converter are arranged in the program control cabinet (8).

The device of the utility model uses medicaments to prepare a saturated solution in the medicament solution box for stirring pretreatment, and the uniformly stirred medicine solution enters the metering box through self-flow or pumping to further dilute it into a medicine with a suitable concentration, and calculates and measures according to the concentration of the required medicine. How much saturated liquid medicine needs to be fed under a certain amount of water in the tank, after the liquid medicine in the metering tank is stirred evenly, the medicine is added to the pipeline to be added through the metering pump.

The medicament solution box and metering box of the utility model dosing device can be selected in a cylindrical or square form (the square medicament solution box and the metering box can be made into a rectangular whole with an interval in the middle). The actual situation is selected, the number n≥1; each chemical solution tank and metering box is equipped with a liquid level gauge and a stirring device, and the diameter of each chemical solution tank and metering box can be DN500mm to DN3000mm, and the effective height (excluding legs, foundation etc.) from 500mm to 3000mm, the specific size can be selected according to the needs and site restrictions. The type and quantity of the metering pump are selected according to the actual situation, the quantity n≥1, each metering pump outlet is equipped with a safety valve and a buffer tank; the dosing device is also equipped with the required electrical cabinet and program control cabinet, integrating all power equipment and automatic valves power control and program control system.

The beneficial effects of the utility model: (1) realize the stability of the liquid medicine configuration index, ensure the stable operation of the water treatment equipment; (2) reduce the operation risk and cost, improve the work efficiency and economic benefits; (3) reduce the manual operation, The problem of difficulty in automatic dosing in water treatment projects is solved; (4) the set of dosing device is simple in design, small in floor area, and simple in control mode.

Description of drawings

Fig. 1 is a schematic diagram of the integrated automatic medicament dosing device of the present invention.

detailed description

Below in conjunction with accompanying drawing, device of the present utility model is further described.

Concrete implementation method of the present utility model: an integrated automatic medicament dosing device, its structure is shown in Figure 1, consists of medicament solution box (1), metering box (2), metering pump (3), stirring device (4 ), buffer tank (5), safety valve (6), electrical cabinet (7), program control cabinet (8) and ladder (9), liquid level gauge (10), Y-type filter (11), manhole (12 ), desalted water or industrial water interface (13) and related valves and pipelines.

The chemical solution box (1) and the metering box (2) are made of carbon steel rolled into a cylinder and welded with two circular plates. The diameter of the equipment body is 1.2m, and the height of the equipment is 1.6m; the upper circular plate has a DN400 manhole ( 12), DN50 desalted water or industrial water interface (13) and DN32 exhaust port; there are DN25 interfaces on the upper and lower sides of the box body, connected to a 1.5m magnetic flap liquid level gauge; rubber lining can be selected inside the equipment Or coated with epoxy resin.

The equipment of the dosing device is arranged as a whole, and the medicine solution box (1) is equipped with a ladder (9) and is positioned on a platform with an elevation of 1.8m, which is convenient for adding medicine. According to actual use needs, according to the water inlet level of the chemical solution tank (1) set in the program of the control computer, when the liquid level gauge (10) shows a value 0.2m lower than the set water level of the water inlet, demineralized water or industrial water The valve of the interface (13) is automatically opened until the display value of the liquid level gauge (10) reaches the maximum liquid level of 1.4m set by the water inlet, and the valve of the desalted water or industrial water interface (13) is automatically closed, and at the same time the chemical solution tank ( 1) The built-in stirring device (4) starts automatically, and then the medicine can be added according to the concentration of the prepared medicine solution at 10% to 40%.

When the liquid medicine in the medicine solution tank (1) is higher than the lowest setting value of the liquid level by 0.2 and the liquid level of the liquid medicine in the metering box (2) is lower than the lowest setting value of 0.2m, the desalted water in the metering box (2) Or the valve of the industrial water interface (13) automatically opens the water inlet to the set maximum water inlet level of 1.4m, starts the stirring device (4), and at the same time the valve between the chemical solution tank (1) and the metering tank (2) automatically opens to enter Medicine, according to the medicine solution concentration 2%～5% that metering box (2) is set, the water intake program control system automatically judges the time that the control valve automatically opens to control the liquid level height that medicine solution box (1) descends.

When the liquid medicine in the metering box (1) is 0.2m higher than the minimum set value of the liquid level used, and the system needs to add medicine, the liquid outlet valve of the metering box (1) will automatically open, and the metering pump (3) will be started at the same time (the measuring range of the metering pump is selected) 0～1200L/h), at the same time, according to the water quality after dosing, the program control system adjusts the dosing amount through frequency conversion to test that the water quality index is within the set value range. The value is 0.2m, the liquid outlet valve of the metering box (1) is automatically closed, the liquid outlet valve of the spare metering box (1) is automatically opened, and the Y-type filter (11) is installed on the inlet pipe of the metering pump (3) to filter solid impurities .

A set of program control system is set up to achieve the following functions: the dosing device is arranged as a whole, and the medicine solution box (1) is equipped with a ladder (9) to facilitate the addition of solid or liquid medicine. According to actual use needs, according to the water inlet level of the chemical solution tank (1) set in the program of the control computer, when the liquid level gauge (10) shows a value 0.2m lower than the set water level of the water inlet, demineralized water or industrial water The valve of the interface (13) is automatically opened until the display value of the liquid level gauge (10) reaches the maximum liquid level of 1.4m set by the water inlet, and the valve of the desalted water or industrial water interface (13) is automatically closed, and at the same time the chemical solution tank ( 1) The built-in stirring device (4) starts automatically, and then the medicine can be added according to the concentration of the prepared medicine solution.

When the liquid medicine in the medicine solution box (1) is 0.2m higher than the minimum set value of the liquid level used and the liquid level of the liquid medicine in the metering box (2) is lower than the minimum set value of 0.2m, the metering box (2) will The valve of the salt water or industrial water interface (13) automatically opens the water inlet to the set maximum water inlet level of 1.4m, starts the stirring device (4), and at the same time the valve between the chemical solution tank (1) and the metering tank (2) is automatically opened Feeding the medicine, according to the concentration range of the medicine solution set by the metering box (2) is 2% to 5%, the water intake program control system automatically judges the time when the control valve is automatically opened to control the liquid level height of the medicine solution box (1).

When the liquid medicine in the metering box (1) is 0.2m higher than the minimum set value of the liquid level used, and the system needs to add medicine, the liquid outlet valve of the metering box (1) will automatically open, and the metering pump (3) will be started at the same time (the measuring range of the metering pump is selected) 0～1200L/h), at the same time, according to the water quality after dosing, the program control system adjusts the dosing amount through frequency conversion to test that the water quality index is within the set value range. value, the outlet valve of the metering box (1) is automatically closed, the outlet valve of the spare metering box (1) is automatically opened, and the Y-type filter (11) is installed on the inlet pipe of the metering pump (1) to filter solid impurities.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (5)

1. An integrated automatic drug dosing device, which is characterized in that it includes a drug solution box (1) and a metering box (2) connected in sequence, and a stirring device (4) is provided in the drug solution box (1) and the metering box 1. The metering box is output after being connected to the metering pump through pipes and filters; the desalted water or industrial water interface (13) is connected to the water inlet of the metering box (2). 2. The automatic medicament dosing device according to claim 1, characterized in that the medicament solution box (1) and the metering box (2) are cylindrical structures with a diameter of DN500mm to DN3000mm and a height of 500mm to 3000mm . 3. The automatic medicament dosing device according to claim 1, characterized in that the inlet pipe of the metering pump is equipped with a Y-shaped filter (11). 4. The automatic chemical dosing device according to claim 1, characterized in that the outlet pipeline of the metering pump is equipped with a safety valve (6) and a buffer tank (5). 5. The automatic medicament dosing device according to claim 1, characterized in that each medicament solution box (1) and metering box (2) has a manhole (12), and is equipped with a stirring device (4) and a liquid level gauge (10).