CN117263333A - Linear dosing integrated machine for hospital sewage treatment tail end and dosing control method - Google Patents

Abstract

The invention discloses an integrated linear dosing machine at the end of hospital sewage treatment, which includes: an equipment box, a dosing box is provided in the equipment box; a metering pump, the metering pump is arranged in the equipment box, The metering pump is connected to the dosing box; a controller is provided in the equipment box, and the metering pump is electrically connected to the controller. The detector measures the concentration of the liquid medicine, and the controller controls the power of the metering pump according to the concentration of the liquid medicine, so that the amount of medicine added can be accurately controlled so that the concentration of the medicine liquid meets the requirements.

Description

A hospital sewage treatment terminal linear dosing integrated machine and dosing control method

Technical field

The invention relates to the technical field of sewage treatment equipment, and in particular to a hospital sewage treatment terminal linear dosing integrated machine and a dosing control method.

Background technique

The dosing device is composed of a metering pump and a dosing box. The dosing device is mainly used to add chemicals in sewage treatment.

The dosing device is the main equipment for sewage treatment. The dosing device generally consists of a metering pump and a dosing box. The main purpose of the dosing device is to control and adjust the chemical composition of the fluid to meet specific processing or production requirements.

Most of the existing dosing devices use manual adjustment of the dosage. When adding chemicals, too little disinfectant is added, resulting in insufficient disinfection; too much is added, causing secondary pollution. The required dosage cannot be accurately added, and the usage rate of disinfectants is low, resulting in a waste of chemicals.

Contents of the invention

This application provides an integrated linear dosing machine at the end of hospital sewage treatment and a dosing control method, which solves the technical problem in the prior art that manual adjustment of the dosing amount cannot accurately control the dosing amount.

This application provides an integrated linear dosing machine at the end of hospital sewage treatment, including:

An equipment box, with a dosing box provided in the equipment box;

Metering pump, the metering pump is arranged in the equipment box, and the metering pump is connected to the dosing box;

A controller is provided in the equipment box, and the metering pump is electrically connected to the controller.

In some embodiments, the metering pump is disposed above the dosing tank.

In some embodiments, a first liquid level gauge and a second liquid level gauge are provided in the dosing tank.

In some embodiments, the first liquid level gauge is a connecting rod type liquid level gauge, the connecting rod type liquid level gauge is arranged inside the dosing tank, and the second liquid level gauge is a liquid level gauge tube. , the liquid level gauge tube is installed on the side of the dosing box.

In some embodiments, the liquid outlet of the metering pump is connected to a tee, one outlet of the tee is connected to a water outlet pipe, and the other outlet of the tee is connected to a pulse damper.

In some embodiments, a liquid return pipe is connected between the water outlet pipe and the dosing tank, a first valve is provided on the water outlet pipe, and a second valve is provided on the liquid return pipe.

In some embodiments, there are two metering pumps and they are respectively arranged on both sides of the top surface of the dosing tank, and the liquid return pipe is arranged between the two metering pumps.

In some embodiments, the top surface of the dosing box is provided with a dosing port.

In some embodiments, the equipment box includes a rack, a bottom panel, an upper door panel, a front door panel, a rear door panel, and a side door panel.

A dosing control method, applied to the above-mentioned integrated dosing machine,

Set the stable value of the concentration of the medicinal solution;

The detector detects the actual measured value of the concentration of the medicinal solution. When the actual measured value of the medicinal solution concentration is less than the stable value of the medicinal solution concentration, the detector sends an electrical signal to the controller. The controller receives the electrical signal and converts it into a frequency signal and sends it to the metering pump;

Set the upper limit of the concentration of the medicinal solution and the lower limit of the concentration of the medicinal solution, and control the incoming water volume and the power of the metering pump so that the actual measured value of the concentration of the medicinal solution is between the upper limit of the concentration of the medicinal solution and the lower limit of the concentration of the medicinal solution.

The beneficial effects of this application are as follows:

The detector measures the concentration of the liquid medicine, and the controller controls the power of the metering pump according to the concentration of the liquid medicine, so that the amount of medicine added can be accurately controlled so that the concentration of the medicine liquid meets the requirements.

Description of the drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only illustrative of the present invention. Some examples.

Figure 1 is a schematic diagram of the overall structure of the integrated dosing machine provided by this application;

Figure 2 is one of the side cross-sectional views of the integrated dosing machine provided by this application;

Figure 3 is the second side cross-sectional view of the integrated dosing machine provided by this application.

Among them, 1-Equipment box; 2-Dosing box; 3-Metering pump; 4-Controller; 5-First liquid level gauge; 6-Second liquid level gauge; 7-Tee; 8-Water outlet pipe; 9-pulse damper; 10-liquid return pipe; 11-first valve; 12-second valve.

Detailed ways

By providing an integrated linear dosing machine and a dosing control method at the end of hospital sewage treatment, the embodiments of the present application solve the technical problem in the prior art that manual adjustment of the dosing amount cannot accurately control the dosing amount.

The technical solutions in the embodiments of this application are to solve the above technical problems. The general idea is as follows:

As shown in Figures 1 to 3, this application provides an integrated linear dosing machine at the end of hospital sewage treatment, including:

Equipment box 1, a medicine dosing box 2 is provided in the equipment box 1;

Metering pump 3, the metering pump 3 is arranged in the equipment box 1, and the metering pump 3 is connected to the dosing box 2;

A controller 4 is provided in the equipment box 1 , and the metering pump 3 is electrically connected to the controller 4 .

A detector is set up in the disinfection pool, and the detector measures the concentration of the medicinal solution in the sewage pool. The controller 4 controls the power of the metering pump 3 according to the concentration of the medicinal solution, so that the amount of medicinal solution can be accurately controlled so that the concentration of the medicinal solution meets the requirements. .

In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation modes.

Specifically, the metering pump 3 is arranged above the dosing box 2, making the overall size of the integrated machine smaller; the dosing box 2 is provided with a first liquid level gauge 5 and a second liquid level gauge. 6. The first liquid level gauge 5 is a connecting rod type liquid level gauge, and the connecting rod type liquid level gauge is arranged inside the dosing tank 2. The second liquid level gauge 6 is a liquid level gauge tube, The liquid level gauge tube is installed on the side of the dosing box 2. The connecting rod type liquid level gauge can send a liquid level signal to the controller 4. The liquid level gauge tube can observe and determine the liquid level, and the liquid level can be determined in different ways. .

Preferably, the liquid outlet of the metering pump 3 is connected to a tee 7, one outlet of the tee 7 is connected to a water outlet pipe 8, and the other outlet of the tee 7 is connected to a pulse damper 9 for reducing Pulse pressure in the small tube protects the metering pump 3.

A liquid return pipe 10 is connected between the water outlet pipe 8 and the dosing box 2. A first valve 11 is provided on the water outlet pipe 8. A second valve 12 is provided on the liquid return pipe 10 to close the first valve. The first valve 11 opens the second valve 12, and the medicinal liquid is pumped out through the metering pump 3 and circulated through the liquid return pipe 10, so that the medicinal liquid in the dosing box 2 can be fully mixed.

There are two metering pumps 3 and they are respectively arranged on both sides of the top surface of the dosing box 2. The liquid return pipe 10 is arranged between the two metering pumps 3. The two metering pumps 3 can control the chemical liquid. The extraction is smoother, and the medicinal liquid in the dosing box 2 can be mixed more fully through the circulation of the liquid return pipe 10 .

The top surface of the dosing box 2 is provided with a dosing port, and the equipment box 1 includes a frame, a bottom plate, an upper door panel, a front door panel, a rear door panel, and a side door panel.

A dosing control method, applied to the above-mentioned integrated dosing machine,

Set the stable value of the concentration of the medicinal solution;

The detector detects the actual measured value of the concentration of the medicinal solution. When the actual measured value of the medicinal solution concentration is less than the stable value of the medicinal solution concentration, the detector sends an electrical signal to the controller 4. The controller 4 receives the electrical signal and converts it into a frequency signal and sends it to the metering pump 3;

Set the upper limit of the concentration of the medical solution and the lower limit of the concentration of the medical solution, and control the incoming water volume and the power of the metering pump 3 so that the actual measured value of the concentration of the medical solution is between the upper limit of the concentration of the medical solution and the lower limit of the concentration of the medical solution.

Through the above-mentioned dosing control method, the controller 4 can adjust the power of the metering pump 3 according to the concentration value of the medicinal liquid to realize the adjustment of the dosing amount and reduce the waste of medicine. The controller 4 can control the power of the metering pump 3 through the size of the electrical signal sent by the monitor. Realize the control of the dosage of the metering pump 3 and achieve stable and linear control of the concentration of the liquid in the disinfection pool.

Although the preferred embodiments of the present invention have been described, those skilled in the art will be able to make additional changes and modifications to these embodiments once the basic inventive concepts are apparent. Therefore, it is intended that the appended claims be construed to include the preferred embodiments and all changes and modifications that fall within the scope of the invention.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the invention. In this way, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims (10)

1. Terminal linear dosing all-in-one of hospital sewage treatment, its characterized in that includes:

the device comprises a device box body, wherein a dosing box is arranged in the device box body;

a metering pump, which is arranged in the equipment box body and is connected with the dosing box;

and the controller is arranged in the equipment box body, and the metering pump is electrically connected with the controller.

2. The hospital wastewater treatment terminal linear dosing all-in-one machine of claim 1, wherein the metering pump is disposed above the dosing tank.

3. The hospital wastewater treatment terminal linear dosing integrated machine according to claim 1, wherein a first liquid level meter and a second liquid level meter are arranged in the dosing tank.

4. The hospital sewage treatment end linear dosing integrated machine according to claim 3, wherein the first level gauge is a connecting rod type level gauge, the connecting rod type level gauge is arranged inside the dosing tank, the second level gauge is a level gauge tube, and the level gauge tube is arranged on the side face of the dosing tank.

5. The hospital sewage treatment end linear dosing integrated machine according to claim 1, wherein the liquid outlet of the metering pump is connected with a tee joint, one outlet of the tee joint is connected with a water outlet pipeline, and the other outlet of the tee joint is connected with a pulse damper.

6. The hospital sewage treatment end linear dosing integrated machine according to claim 5, wherein a liquid return pipeline is connected between the water outlet pipeline and the dosing tank, a first valve is arranged on the water outlet pipeline, and a second valve is arranged on the liquid return pipeline.

7. The integrated linear dosing machine for hospital sewage treatment terminals according to claim 6, wherein two metering pumps are respectively arranged on two sides of the top surface of the dosing tank, and the liquid return pipeline is arranged between the two metering pumps.

8. The hospital sewage treatment end linear dosing integrated machine according to claim 1, wherein a dosing port is arranged on the top surface of the dosing tank.

9. The integrated linear dosing machine for hospital wastewater treatment terminals of claim 1, wherein the equipment cabinet comprises a frame, a bottom plate, an upper door plate, a front door plate, a rear door plate, and a side door plate.

10. A dosing control method is characterized by being applied to the dosing integrated machine according to any one of claims 1-9,

setting a stable concentration value of the liquid medicine;

the detector detects the actual measurement value of the concentration of the liquid medicine, and when the actual measurement value of the concentration of the liquid medicine is smaller than the stable value of the concentration of the liquid medicine, the detector sends an electric signal to the controller, and the controller receives the electric signal, converts the electric signal into a frequency signal and transmits the frequency signal to the metering pump;

setting an upper limit value and a lower limit value of the liquid medicine concentration, and controlling the water inflow amount and the power of the metering pump so that the actual measurement value of the liquid medicine concentration is between the upper limit value and the lower limit value of the liquid medicine concentration.