Automatic dosing device for water treatment

By alternating the operation of dual drug storage tanks and implementing heating and insulation measures, the problems of slow drug dissolution and drug freezing in low-temperature environments have been solved, achieving stable control and automatic replenishment of drug temperature, and improving the reliability and efficiency of the water treatment device.

CN223607038UActive Publication Date: 2025-11-28TIANJIN FOSTER PRESSURE VESSEL CO LTD
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Patent Information

Application Number
CN202423122654.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-28
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing automatic dosing devices dissolve drugs slowly in low-temperature environments, and the drug storage tank is prone to freezing, affecting the normal operation of the device.

Method used

The system employs two alternating liquid storage tanks, combined with a liquid electronic thermometer and heating belt, and controls heating and insulation via a controller to ensure the liquid temperature remains within a suitable range. Rubber pads are installed at the bottom of the liquid storage tanks to reduce vibration, and a dual float level gauge and replenishment system are used to achieve automatic replenishment of the liquid.

Benefits of technology

Maintaining a stable liquid temperature in low-temperature environments prevents freezing, ensures stable operation of the device, and enables automatic replenishment and stirring of the liquid, thereby improving the reliability and efficiency of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223607038U_ABST
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Abstract

The utility model relates to an automatic dosing device for water treatment, which comprises two liquid medicine storage tanks, two dosing metering pumps and a controller, liquid electronic thermometers are arranged in the liquid medicine storage tanks, two semi-arc plates are arranged on the outer sides of the liquid medicine storage tanks, one sides of the two semi-arc plates are hinged with each other, and the other sides of the two semi-arc plates are hinged with each other. A plurality of fixing plates are arranged on the other sides of the two semi-arc plates respectively, the fixing plates are connected through fixing bolts, and the inner sides of the two semi-arc plates are fixedly connected with a heat preservation plate, an aluminum foil layer and a heating belt in sequence. The heating and insulating layer is arranged on the outer side of the liquid medicine storage tank, so that the temperature of liquid in the liquid medicine storage tank can be kept in a proper range even in winter with lower temperature, and the conditions of freezing and the like are avoided; the feeding system is controlled by the controller, so that double-tank and double-pump alternate operation is realized, and medicines are automatically supplemented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment equipment technical field especially relates to a water treatment is with automatic chemical adding device. BACKGROUND

[0002] Water treatment is with automatic chemical adding device is a kind of equipment for water treatment system, mainly for the accurate dosing of various chemical agents, to achieve the purpose of water treatment.This kind of device is widely used in tap water plant, sewage treatment plant, industrial water treatment, boiler water treatment and other fields.Among them, liquid medicine storage tank is usually used to store the medicine to be added, and liquid medicine storage tank is usually used to dissolve solid medicine and dilute liquid medicine, and the automatic chemical adding device commonly seen on the market usually faces the situation of slow medicine dissolution or even liquid medicine storage tank freezing in winter, which is not conducive to the normal use of the device. SUMMARY

[0003] The utility model aims at solving the insufficient prior art, and provides a kind of water treatment is with automatic chemical adding device.

[0004] The utility model discloses a kind of water treatment is with automatic chemical adding device, including: two liquid medicine storage tanks, two dosing pumps, controller, the liquid medicine storage tank top is provided with dosing port and water inlet, the liquid medicine storage tank side wall is provided with liquid outlet, outlet solenoid valve is connected with liquid supply pipe after being provided with on the liquid outlet, the liquid supply pipe is connected with the import of dosing pump respectively, the outlet of dosing pump is connected with dosing port on dosing pipeline;

[0005] Liquid electronic thermometer is provided in the liquid medicine storage tank, two half-arc plates are provided outside the liquid medicine storage tank, one side of two half-arc plates is hinged to each other, and a plurality of fixed plates are respectively provided on the other side, fixed bolt connection is provided between the fixed plate, heat preservation plate, aluminum foil layer and heating belt are sequentially fixedly connected to the inner side of two half-arc plates.

[0006] Outlet solenoid valve, dosing pump, liquid electronic thermometer and heating belt are electrically connected with the controller.

[0007] Further, the liquid medicine storage tank bottom is fixedly connected with rubber pad, and the rubber pad bottom is fixedly connected with base.

[0008] Further, double-float ball liquid level meter is provided in the liquid medicine storage tank, dosing port is provided with medicine supplementing solenoid valve after being connected with medicine supplementing pipe, and one dosing pump is provided on the medicine supplementing pipe;Water inlet solenoid valve is connected with water inlet pipe after being provided on water inlet, and double-float ball liquid level meter, water inlet solenoid valve, medicine supplementing solenoid valve and dosing pump are electrically connected with the controller.

[0009] Further, the medicine liquid storage tank is provided with a stirrer.

[0010] Further, the liquid supply pipe is provided with a Y-shaped filter.

[0011] The utility model discloses the beneficial effect is: the utility model discloses the heating insulation layer is set to the outside of medicine liquid storage tank, guarantees even in winter of temperature lower, the liquid temperature in medicine liquid storage tank can keep in proper range, will not happen freezing and so on, in the bottom of medicine liquid storage tank sets up rubber pad, prevents the vibration of adding medicine metering pump use and causes the influence of device stability, realizes double tank double pump alternate operation through the controller control and adds the system, and the automatic replenishment of drug is realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic diagram of the utility model;

[0013] Fig. 2 It is the front view of medicine liquid storage tank section;

[0014] Fig. 3 It is the top view of medicine liquid storage tank section;

[0015] In the drawing: 1 - medicine liquid storage tank;10 - double float ball liquid level meter;11 - stirrer;2 - adding medicine metering pump;3 - adding medicine port;30 - medicine supplementing electromagnetic valve;31 - medicine supplementing pipe;32 - medicine supplementing metering pump;4 - water inlet;40 - water inlet electromagnetic valve;41 - water inlet pipe;5 - liquid outlet;50 - outlet electromagnetic valve;51 - liquid supply pipe;52 - Y-shaped filter;6 - liquid electronic thermometer;7 - half arc plate;70 - fixed plate;71 - fixed bolt;72 - heat preservation plate;73 - aluminium foil layer;74 - heating belt;8 - rubber pad;80 - base;

[0016] The drawings in the utility model are all schematic diagrams, and the size does not represent actual size;

[0017] The utility model will be described in detail below in combination with the embodiment of the utility model and the drawings. CONCRETE EMBODIMENT

[0018] The utility model will be described in detail below in combination with the embodiment of the utility model and the drawings.

[0019] For example Figs. 1-3The utility model discloses an automatic dosing device for water treatment, including: two liquid medicine storage tanks 1, two dosing metering pumps 2, controller, the top of liquid medicine storage tank 1 is provided with dosing port 3 and water inlet 4, the lateral wall of liquid medicine storage tank 1 is provided with liquid outlet 5, the liquid outlet 5 is provided with the outlet solenoid valve 50 after connecting with the liquid supply pipe 51, the liquid supply pipe 51 is connected with the import of dosing metering pump 2 respectively, the outlet of dosing metering pump 2 is connected with the dosing port on the dosing pipeline, be provided with double float ball liquid level meter 10 in liquid medicine storage tank 1,

[0020] Liquid electronic thermometer 6 is arranged in the liquid medicine storage tank 1, and two half-arc plates 7 are arranged outside the liquid medicine storage tank 1, one side of the two half-arc plates 7 is hinged to each other, and a plurality of fixing plates 70 are arranged on the other side, respectively, fixing bolts 71 are arranged between the fixing plates 70, and heat insulation plates 72, aluminum foil layers 73 and heating tapes 74 are sequentially and fixedly connected to the inner sides of the two half-arc plates 7.

[0021] The outlet solenoid valve 50, dosing metering pump 2, liquid electronic thermometer 6 and heating tape 74 are electrically connected with the controller.

[0022] Specifically, the controller is a PLC controller, and the model of the PLC controller is Siemens S7-300; a PH probe, an electric conductivity probe and a flow meter are installed on the dosing pipeline and connected with the controller; the controller can monitor water quality and flow and adjust the dosing amount by controlling the dosing metering pump 2; the two liquid medicine storage tanks 1 are alternately dosed; when the liquid level in the liquid medicine storage tank 1 being supplied is detected to be lower than the set minimum liquid level by the double float ball liquid level meter 10, a signal is fed back to the controller; the controller controls the dosing metering pump 2 and the outlet solenoid valve 50 connected with the liquid medicine storage tank 1 to be closed and the liquid medicine storage tank 1 to be supplemented with liquid medicine; the dosing metering pump 2 and the outlet solenoid valve 50 connected with the other liquid medicine storage tank 1 are opened to supply liquid.

[0023] The liquid electronic thermometer 6 feeds back the liquid temperature in the liquid medicine storage tank 1 to the controller; when the temperature drops below the set value, the controller automatically starts the heating tape 74 to adjust the liquid temperature.

[0024] The rubber pad 8 is fixedly connected with the base 80.

[0025] Specifically, the dosing metering pump 2 will vibrate when it is running, and the rubber pad 8 can preliminarily reduce the vibration.

[0026] The dosing opening 3 is provided with a medicine supplementing electromagnetic valve 30 connected with a medicine supplementing pipe 31, and the medicine supplementing pipe 31 is provided with a medicine supplementing metering pump 32; the water inlet opening 4 is provided with a water inlet electromagnetic valve 40 connected with a water inlet pipe 41; the double-float ball liquid level meter 9, the water inlet electromagnetic valve 40, the medicine supplementing electromagnetic valve 30 and the medicine supplementing metering pump 32 are electrically connected with the controller.

[0027] Specifically, when the medicine in one of the medicine liquid storage tanks 1 is insufficient, the water inlet electromagnetic valve 40 connected with the medicine liquid storage tank 1 is opened by the controller to supplement the solvent to a predetermined value, and then the medicine supplementing electromagnetic valve 30 and the medicine supplementing metering pump 32 are opened by the controller to add the required amount of medicine according to the concentration of the medicine liquid.

[0028] The medicine liquid storage tank 1 is provided with a stirrer 11, and the stirrer 11 is also controlled by the controller.

[0029] Specifically, when the medicine is dissolved and diluted, the medicine and the water solvent are stirred and mixed.

[0030] The liquid supply pipe 51 is provided with a Y-shaped filter 52.

[0031] As described above, the two medicine liquid storage tanks 1 are used to alternately add medicine, the double-float ball liquid level meter 10 detects that the medicine liquid in the medicine liquid storage tank 1 being supplied is lower than the minimum value, and then the signal is fed back to the controller, the controller controls to close the medicine metering pump 2 and the outlet electromagnetic valve 50 connected with the medicine liquid storage tank 1, and the medicine liquid storage tank 1 is supplemented with medicine; the medicine metering pump 2 and the outlet electromagnetic valve 50 connected with the other medicine liquid storage tank 1 are opened to supply liquid. At the same time, the water inlet electromagnetic valve 40 connected with the medicine liquid storage tank 1 lacking medicine is opened by the controller to supplement the water solvent to a predetermined value, the medicine supplementing electromagnetic valve 30 and the medicine supplementing metering pump 32 are opened by the controller to add the required amount of medicine according to the concentration of the medicine liquid, and the stirrer 11 is opened to stir the medicine liquid uniformly; the liquid electronic thermometer 6 feeds back the liquid temperature in the medicine liquid storage tank 1 to the controller in real time, and when the temperature drops below the set value, the controller automatically starts the heating belt 74 to adjust the liquid temperature.

[0032] The utility model is described above with reference to the drawings, obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or the utility model is directly applied to other occasions without improvement, all of which are within the protection scope of the utility model.

Claims

1. An automatic dosing device for water treatment, characterized by comprising: The utility model relates to a medicine liquid storage tank, and it is characterized in following: Two medicine liquid storage tanks (1), two medicine adding metering pumps (2) and a controller are provided, the medicine liquid storage tank (1) is provided with a medicine adding opening (3) and a water adding opening (4) on the top surface, the side wall of the medicine liquid storage tank (1) is provided with a liquid outlet (5), the liquid outlet (5) is provided with an outlet electromagnetic valve (50), and a liquid supply pipe (51) is connected behind the outlet electromagnetic valve (50), the liquid supply pipe (51) is connected with the inlets of the medicine adding metering pumps (2) respectively, the outlet ends of the medicine adding metering pumps (2) are connected with the medicine adding openings on the medicine adding pipeline, and the medicine liquid storage tank (1) is provided with a double-float ball liquid level meter (10); The medicine liquid storage tank (1) is provided with a liquid electronic thermometer (6), and the outer side of the medicine liquid storage tank (1) is provided with two half-arc plates (7), one side of the two half-arc plates (7) is hinged to each other, the other side is respectively provided with a plurality of fixed plates (70), the fixed plates (70) are connected by fixed bolts (71), and the inner sides of the two half-arc plates (7) are sequentially fixedly connected with a heat preservation plate (72), an aluminum foil layer (73) and a heating belt (74); The outlet electromagnetic valve (50), the medicine adding metering pump (2), the liquid electronic thermometer (6), the heating belt (74) and the double-float ball liquid level meter (10) are electrically connected with the controller.

2. The automatic reagent feeding device for water treatment according to claim 1, characterized in that, The medicine liquid storage tank (1) is fixedly connected with a rubber pad (8) at the bottom, and the rubber pad (8) is fixedly connected with a base (80) at the bottom.

3. The automatic reagent feeding device for water treatment according to claim 1, characterized in that, The medicine adding opening (3) is provided with a medicine supplementing electromagnetic valve (30) and a medicine supplementing pipe (31) connected behind the medicine supplementing electromagnetic valve (30), and one medicine supplementing metering pump (32) is arranged on the medicine supplementing pipe (31); the water adding opening (4) is provided with a water inlet electromagnetic valve (40) and a water inlet pipe (41) connected behind the water inlet electromagnetic valve (40); the water inlet electromagnetic valve (40), the medicine supplementing electromagnetic valve (30) and the medicine supplementing metering pump (32) are electrically connected with the controller.

4. The automatic reagent feeding device for water treatment according to claim 3, characterized in that, The medicine liquid storage tank (1) is provided with a stirrer (11).

5. The automatic reagent feeding device for water treatment according to claim 1, characterized in that, The liquid supply pipe (51) is provided with a Y-shaped filter (52).