CN108640235A - Disinfectant one throwing device - Google Patents

Abstract

The invention relates to an integrated disinfectant dosing device, comprising a solution tank, a metering pump, a safety valve, a water injector and a titration valve; There is a feeding port and an exhaust valve; the water inlet is communicated with the inside of the solution tank through at least one automatic water inlet pipe and at least one manual water inlet pipe respectively, and the water inlet is also connected with the inlet of the water injector through a direct supply pipe; The drug inlet pipe of the metering pump extends into the bottom of the solution tank and is provided with a filter at its end, and the drug outlet pipe of the metering pump is connected with the drug feeding port of the water injector through the safety valve; The outlet of the drug is connected with the drug outlet, and the drug inlet is also connected with the titration valve through a negative pressure tube; the structure design of the present invention is reasonable, and the operation is simple. According to regional differences, a more suitable local dosing method can be selected. The device can be widely used in the disinfection of drinking water, hospital sewage, domestic wastewater and other water treatment fields.

Description

Disinfectant integrated dosing device

technical field

The invention relates to the technical field of disinfection equipment, in particular to an integrated disinfectant dosing device.

Background technique

At present, in the sewage treatment process, some special disinfectants are usually used and added to the sewage to remove some pollutants in the sewage, but directly adding the disinfectant to the sewage is difficult to ensure the addition of drugs The concentration of the drug cannot be guaranteed; secondly, the artificial addition method is inefficient, wastes manpower and material resources, and has potential safety hazards. Therefore, there is an urgent need for a disinfectant doser that can make dosing more uniform and ensure drug efficacy.

Contents of the invention

In order to solve the deficiencies in the prior art, the invention provides an integrated disinfectant dosing device.

The technical solution adopted by the present invention to solve its technical problems is:

An integrated disinfectant dosing device, characterized in that it includes a solution tank and a metering pump arranged outside the solution tank, a safety valve, a water injector and a titration valve;

The solution tank includes a water inlet and a drug outlet connected to the inside, the top surface of the solution tank is provided with a feeding port and an exhaust valve, and a cover plate is provided outside the feeding port, and the bottom end of the cover plate is inserted into the feeding port for setting and feeding. The inner edge of the mouth is provided with a water seal groove corresponding to the bottom end of the cover plate;

The water inlet communicates with the inside of the solution tank through at least one automatic water inlet pipe and at least one manual water inlet pipe respectively, and the water inlet is also connected with the inlet of the water ejector through a direct supply pipe, and the automatic water inlet pipe is provided with an electric valve , the manual water inlet pipe is provided with a manual switch valve;

The drug inlet pipe of the metering pump extends into the bottom of the solution tank and a filter is provided at its end, and the drug outlet pipe of the metering pump is connected with the drug feeding port of the water injector through the safety valve;

The outlet of the water injector communicates with the drug outlet, and the drug inlet of the water injector also communicates with the drop valve through a negative pressure tube.

It also includes a circulation pump arranged outside the solution tank;

The circulation pump is located at the bottom of the solution tank, the water inlet pipe of the circulation pump communicates with the bottom of the solution tank, and the outlet pipe of the circulation pump communicates with the middle of the solution tank.

The solution tank also includes an overflow valve and a drain valve communicating with the inside thereof, and the overflow valve and the drain valve are located at the bottom of the solution tank.

The top surface of the solution box is provided with an electric control box, the top surface of the electric control box is an opening and an electric control operation panel is provided at the opening.

The solution tank is also provided with an upper liquid level switch and a lower liquid level switch for detecting the liquid level inside the solution tank.

A liquid level gauge is also provided outside the solution tank.

Both the safety valve and the titration valve are set higher than the injector.

The main body of the solution tank is made of PVC material.

The beneficial effects of the present invention are: reasonable structural design, simple operation, the chemical dosing and mixing system utilizes the circulation pump to produce hydraulic circulation to dissolve the chemical, avoiding the disadvantages of the previous motor-driven stirring rod with large structural noise, and the chemical dosing method adopts positive pressure and There are two feeding methods of negative pressure, positive pressure is accurately fed by imported metering pump, and negative pressure is fed by water ejector. According to regional differences, a more suitable local feeding method can be selected. This device can be widely used in drinking water , Hospital sewage, domestic wastewater and other water treatment fields for disinfection.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a front view structural schematic diagram of the present invention.

Fig. 2 is a rear view structural schematic diagram of the present invention.

Fig. 3 is a left view structure diagram of the present invention.

Fig. 4 is a schematic top view of the structure of the present invention.

In the figure: 1 electric control panel, 2 solution tank, 3 exhaust valve, 4 cover plate, 5 feeding port, 6 water seal tank, 7 overflow valve, 8 water inlet, 9 drain valve, 10 drug outlet, 11 Circulation pump, 12 water outlet pipe, 13 water inlet pipe, 14 metering pump, 15 medicine inlet pipe, 16 medicine outlet pipe, 17 first manual water inlet pipe, 18 second manual water inlet pipe, 19 automatic water inlet pipe, 20 electric valve, 21 Direct supply pipe, 22 lower liquid level switch, 23 upper liquid level switch, 24 safety valve, 25 negative pressure pipe, 26 titration valve, 27 water injector, 28 liquid level gauge.

Detailed ways

The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

As shown in Figures 1, 2, 3, and 4: a disinfectant integrated dosing device, including a solution tank 2 and a circulation pump 11 arranged outside the solution tank 2, a metering pump 14, a safety valve 24, a water injector 27 and The titration valve 26, the circulation pump 11, the metering pump 14, and the safety valve 24 are all installed on the side wall of the solution tank 2 through the side plate. In view of the strong oxidizing properties of disinfectants, the main body of the solution tank 2 is all made of PVC with strong oxidation resistance. material;

The solution tank 2 includes a water inlet 8 and a medicine outlet 10 communicated with the inside thereof, the water inlet 8 is used for injecting water into the solution tank 2 and the water injector 27, the medicine outlet 10 is used for medicine output, and the solution tank 2 The top surface is equipped with a feeding port 5 and an exhaust valve 3. The exhaust valve 3 is used for automatic exhaust during the water filling process to keep the pressure inside the solution tank 2 stable. The opening of the exhaust valve 3 needs to be connected to the outside through an external pipe during installation. Environment; the outer side of the feeding port 5 is provided with a cover plate 4, the bottom end of the cover plate 4 is inserted into the feeding port 5 and the inner edge of the feeding port 5 is provided with a water seal groove 6 corresponding to the bottom end of the cover plate 4, through the feeding port 5. The disinfectant can be put into the solution tank 2, and at the same time, the sealing effect of the feeding port 5 is guaranteed through the water seal tank 6;

The water inlet 8 communicates with the inside of the solution tank 2 through the automatic water inlet pipe 19, the first manual water inlet pipe 17 and the second manual water inlet pipe 18, and the automatic water inlet pipe 19, the first manual water inlet pipe 17 and the second manual water inlet pipe The water pipes 18 communicate with the upper part of the solution tank 2 respectively. The water inlet 8 can supply water to the inside of the solution tank 2 through the automatic water inlet pipe 19, the first manual water inlet pipe 17 and the second manual water inlet pipe 18, and the water inlet 8 also passes through the direct supply pipe. 21 is connected to the inlet of the water ejector 27, so that the water inlet 8 can directly supply water to the water ejector 27, and the automatic water inlet pipe 19 is provided with an electric valve 20, which is used to automatically control the automatic water inlet pipe 19 The opening and closing state of the manual water inlet pipe 13 is provided with a manual switch valve, and the manual switch valve can also control the opening and closing state of the manual water inlet pipe 13. At the same time, the two manual water inlet pipes 13 can supply water to the inside of the solution tank 2 at the same time. To improve the efficiency of water addition;

The circulating pump 11 is located at the bottom of the solution tank 2, and the water inlet pipe 13 of the circulating pump 11 is communicated with the bottom of the solution tank 2, and the outlet pipe 12 of the circulating pump 11 is communicated with the middle part of the solution tank 2. 2 Pump water from the bottom to the outside, and inject the pumped water back into the middle of the solution tank 2 to realize the water circulation inside the solution tank 2, so that the added disinfectant can be quickly dissolved and mixed evenly, which can replace the existing motor to drive the stirring rod The structure has the advantage of low noise;

The drug inlet pipe 15 of the metering pump 14 stretches into the bottom of the solution tank 2 and its end is provided with a filter. The drug port is connected, and the filter can filter the water entering the metering pump 14 to prevent the metering pump 14 from being blocked, and at the same time, the water is delivered to the drug feeding port of the injector 27 through the metering pump 14;

The outlet of the water injector 27 is communicated with the medicine outlet 10, and the medicine inlet of the water injector 27 is also communicated with the titration valve 26 through the negative pressure pipe 25, and the top of the titration valve 26 is used for installing disinfectant syrup The container, when the positive pressure dosing method is adopted, the metering pump 14 works to send water into the water injector 27 and discharge it at the drug outlet 10. When the negative pressure dosing method is adopted, the water ejector 27 and the safety valve The pipeline between 24 is closed, and the water is sent into the water injector 27 by the water inlet 8, and is discharged at the drug outlet 10. The valve 26 sucks the disinfectant and dissolves it in the water for synchronous delivery. The setting of the titration valve 26 can control the flow of the disinfectant to ensure the accuracy of the medicine supply. The sewage tank used for medicine supply must be lower than the dosing device. The titration valve 26 only works.

Both the safety valve 24 and the titration valve 26 are set higher than the water injector 27, so that water can be transported into the water injector 27 by gravity for use.

The solution tank 2 also includes an overflow valve 7 and a drain valve 9 communicated with the interior thereof, the overflow valve 7 and the drain valve 9 are located at the bottom of the solution tank 2, and the drain valve 9 is directly connected to the bottom of the solution tank 2 for regular cleaning For the dirt in the solution tank 2, the overflow valve 7 is connected to the overflow pipe in the solution tank 2. The nozzle of the overflow pipe is located on the upper side of the box body. Valve 7 can drain the water.

The solution tank 2 is also respectively provided with an upper liquid level switch 23 and a lower liquid level switch 22 for detecting the internal liquid level of the solution tank 2, which are used for automatically obtaining the liquid level; the outside of the solution tank 2 is also provided with a liquid level Meter 28, liquid level gauge 28 is used for the staff to observe water level and use.

The top surface of the solution box 2 is provided with an electric control box, and the electric control box is provided with an intermediate relay, a time relay, a power switch, a connection terminal, an alarm, and an AC contactor for controlling the metering pump 14 and the circulation pump 11 respectively , the top surface of the electric control box is an opening and an electric control operation panel 1 is provided at the opening, and the electric control operation panel 1 is provided with a power indicator light, a stirring operation indicator light, a dosing operation indicator light, a liquid level alarm/addition Medication reminder, stirring stop, dosing stop, stirring start, dosing start, manual/automatic indicator lights and control buttons, the specific functions are as follows:

Power Indicator: Indicates whether the device is powered on. If the power indicator light is on, it means that the power supply of the device is normal. If the power indicator light is not on, it means that the power supply of the device is abnormal. You need to find a professional electrician to troubleshoot.

Stirring operation indicator light: indicates that the circulating pump 11 is running; when the indicator light is on, it means that the circulating pump 11 is running; if the indicator light is off, it means that the circulating pump 11 is not running.

Dosing operation indicator light: indicates that the metering pump 14 is running; when the indicator light is on, it means that the metering pump 14 is running; if the indicator light is off, it means that the metering pump 14 is not running.

Liquid level alarm/dosing reminder: When the liquid level is low, the dosing reminder light is on, reminding to refill water and make medicine.

Stirring off: circulation pump 11 is off.

Dosing off: the metering pump 14 is off.

Stirring start: circulation pump 11 is turned on.

Dosing starts: the metering pump 14 is turned on.

Manual/automatic: Manual gear is completely manual operation, and the circulation pump 11 gear automatically stops stirring and then automatically turns on the metering pump 14.

The above descriptions are only the preferred implementation modes of the present invention, and as long as the technical solutions of the present invention are realized by substantially the same means, they all fall within the scope of protection of the present invention.

Claims (8)

1. A disinfectant integrated dosing device, characterized in that it comprises a solution tank and a metering pump, a safety valve, a water injector and a titration valve arranged on the outside of the solution tank; The solution tank includes a water inlet and a drug outlet connected to the inside, the top surface of the solution tank is provided with a feeding port and an exhaust valve, and a cover plate is provided outside the feeding port, and the bottom end of the cover plate is inserted into the feeding port for setting and feeding. The inner edge of the mouth is provided with a water seal groove corresponding to the bottom end of the cover plate; The water inlet communicates with the inside of the solution tank through at least one automatic water inlet pipe and at least one manual water inlet pipe respectively, and the water inlet is also connected with the inlet of the water ejector through a direct supply pipe, and the automatic water inlet pipe is provided with an electric valve , the manual water inlet pipe is provided with a manual switch valve; The drug inlet pipe of the metering pump extends into the bottom of the solution tank and a filter is provided at its end, and the drug outlet pipe of the metering pump is connected with the drug feeding port of the water injector through the safety valve; The outlet of the water injector communicates with the drug outlet, and the drug inlet of the water injector also communicates with the drop valve through a negative pressure tube. 2. The disinfectant integrated dosing device according to claim 1, characterized in that: it also includes a circulation pump arranged outside the solution tank; The circulation pump is located at the bottom of the solution tank, the water inlet pipe of the circulation pump communicates with the bottom of the solution tank, and the outlet pipe of the circulation pump communicates with the middle of the solution tank. 3. The disinfectant integrated dosing device according to claim 1 or 2, characterized in that: the solution tank also includes an overflow valve and a drain valve communicating with the inside thereof, and the overflow valve and the drain valve are located at the bottom of the solution tank . 4. The disinfectant integrated dosing device according to claim 1 or 2, characterized in that: the top surface of the solution tank is provided with an electric control box, the top surface of the electric control box is an opening and an electric control box is provided at the opening. operating panel. 5. The disinfectant integrated dosing device according to claim 1 or 2, characterized in that: the solution tank is also provided with an upper liquid level switch and a lower liquid level switch for detecting the liquid level inside the solution tank. 6. The disinfectant integrated dosing device according to claim 1 or 2, characterized in that: a liquid level gauge is also provided outside the solution tank. 7. The disinfectant integrated dosing device according to claim 1, characterized in that: both the safety valve and the titration valve are set higher than the water injector. 8. The integrated disinfectant dosing device according to claim 1, characterized in that: the main body of the solution tank is made of PVC.