WO2021082038A1

WO2021082038A1 - Bottled drinking water production system

Info

Publication number: WO2021082038A1
Application number: PCT/CN2019/116201
Authority: WO
Inventors: 冯翰新
Original assignee: 清远华新达饮品有限公司
Priority date: 2019-10-31
Filing date: 2019-11-07
Publication date: 2021-05-06
Also published as: CN110776170A

Abstract

The present invention relates to the technical field of drinking water production and disclosed is a bottled drinking water production system, comprising a PLC control system, an acid tank, an alkali tank, and a raw water tank, a lifting pump, a pretreatment unit, a PH detector, a sterilization unit, a reverse osmosis filter and a first pure water storage tank that are sequentially connected by means of a pipeline along a water flow direction, wherein a reverse osmosis unit is connected to the first pure water storage tank by means of a first water pipe; liquid outlets of the acid tank and the alkali tank are both provided with electromagnetic valves and are connected to the first water pipe; the lifting pump, the PH detector, and the electromagnetic valves are all electrically connected to the PLC control system. The present invention can effectively treat various impurities and microorganisms in raw water, and ensure filtering and sterilization effects. Meanwhile, the system can automatically add an acid liquid or an alkali liquid for adjustment according to a PH value of water, so that drinking water treated by the system has a stable PH value, and the quality of the drinking water is guaranteed.

Description

Bottled drinking water production system

Technical field

The invention relates to the technical field of drinking water production, and more specifically, to a bottled drinking water production system.

Background technique

At present, most of the drinking water on the market is sold in bottles. The raw water is filtered and sterilized before bottling. However, due to the large difference in the quality of the raw water, the microorganisms or impurities contained in the water are also different, resulting in many existing production systems The filtration and sterilization effect of the produced water is very good, and the quality of drinking water cannot be fully guaranteed. In addition, the pH value of different water quality is not the same, and the current drinking water production system does not have the function of adjusting the pH value of pure water, resulting in different batches of water with different pH values, which affects the overall quality of drinking water.

Summary of the invention

In order to overcome the shortcomings of the prior art, the present invention provides a bottled drinking water production system to ensure the filtration and sterilization effect of the drinking water, stabilize the pH value of the drinking water, and ensure the quality of the drinking water.

The technical solutions adopted by the present invention to solve its technical problems are:

A bottled drinking water production system, including a PLC control system, an acid tank, an alkali tank, a raw water tank connected by pipelines along the water flow direction, a lifting pump, a pretreatment unit, a PH detector, a sterilization unit, a reverse osmosis filter, and a first A pure water storage tank, the reverse osmosis unit and the first pure water storage tank are connected by a first water pipe, and the liquid outlets of the acid tank and the alkali tank are both provided with solenoid valves and connected to the first water pipe , The lift pump, the PH detector and the solenoid valve are all electrically connected to the PLC control system.

Preferably, a second pure water storage tank is included, and the second pure water storage tank is in communication with the first water pipe.

Preferably, it further includes an electromagnetic three-way valve electrically connected to the PLC control system, a second water pipe is connected to the water inlet of the first pure water storage tank, and a third water pipe is connected to the water inlet of the second pure water storage tank , The first water pipe, the second water pipe and the third water pipe are respectively communicated with the electromagnetic three-way valve.

Preferably, an ozone mixing tower is provided on the first water pipe, and the ozone mixing tower is located between the alkali tank and the first pure water storage tank.

Preferably, the outer wall of the ozone mixing tower is provided with a circulating pipe, the circulating pipe is provided with a circulating pump, and the circulating pipe is connected with an ozone generator.

Preferably, the pretreatment unit includes a multi-media filter, an activated carbon filter, and a softener that are connected in sequence.

Preferably, the sterilization unit is an ultraviolet sterilization lamp.

Preferably, a booster pump is provided between the sterilization unit and the reverse osmosis filter.

Preferably, a level gauge is provided inside the raw water tank.

The beneficial effect of the present invention is that by providing a pretreatment unit, a sterilization unit and a reverse osmosis filter, various impurities and microorganisms in the raw water can be effectively treated, and the filtering and sterilization effects are ensured. At the same time, by setting up the acid tank and alkali tank, and controlling the PH detector and the solenoid valve on the acid tank and alkali tank through the PLC control system, the system can automatically add acid or lye to adjust according to the pH value of the water, so that it can be processed by the system After drinking water has a stable PH value, the quality of drinking water is guaranteed. The invention has simple structure, good use effect, and is easy to popularize and use.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the bottled drinking water production system of the present invention.

Among them: 1-acid tank, 2-alkali tank, 3-raw water tank, 4-lift pump, 5-PH detector, 6-reverse osmosis filter, 7-first pure water storage tank, 8-first water pipe, 9-second pure water storage tank, 10-electromagnetic three-way valve, 11-second water pipe, 12-third water pipe, 13-ozone mixing tower, 14-circulation pipe, 15-circulation pump, 16-ozone generator, 17-multi-media filter, 18-activated carbon filter, 19-softener, 20-ultraviolet germicidal lamp, 21-booster pump, 22-level gauge, 23-solenoid valve.

Detailed ways

The specific implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Please refer to Figure 1. A bottled drinking water production system of this embodiment includes a PLC control system (not shown in the figure), an acid tank 1, an alkali tank 2, a raw water tank 3 connected by pipes in the direction of water flow, and a lifting Pump 4, pretreatment unit, PH detector 5, sterilization unit, reverse osmosis filter 6, first pure water storage tank 7, said reverse osmosis unit and said first pure water storage tank 7 are connected by a first water pipe 8 , The liquid outlets of the acid tank 1 and the alkali tank 2 are both provided with a solenoid valve 23 and connected to the first water pipe 8. The lift pump 4, the PH detector 5 and the solenoid valve 23 are all It is electrically connected with the PLC control system.

The bottled drinking water production system based on the above technical features can effectively treat various impurities and microorganisms in the raw water by providing a pretreatment unit, a sterilization unit, and a reverse osmosis filter 6, ensuring the filtering and sterilization effects. Specifically, the pretreatment unit includes a multi-media filter 17, an activated carbon filter 18, and a softener 19 that are connected in sequence to ensure that the water entering the reverse osmosis filter 6 is soft water without impurities; the sterilization unit The ultraviolet germicidal lamp 20 has a good sterilization effect; and a booster pump 21 is provided between the sterilization unit and the reverse osmosis filter 6 to improve the filtering effect of the reverse osmosis filter 6. At the same time, by setting the acid tank 1 and alkali tank 2, and controlling the PH detector 5 and the solenoid valve 23 on the acid tank 1 and alkali tank 2 through the PLC control system, the system can automatically add acid or lye according to the pH value of the water The adjustment makes the drinking water treated by the system have a stable PH value and guarantees the quality of drinking water. The invention has simple structure, good use effect, and is easy to popularize and use.

In this embodiment, the bottled drinking water production system includes a second pure water storage tank 9, and the second pure water storage tank 9 is in communication with the first water pipe 8. Under normal circumstances, the produced drinking water enters the first pure water storage tank 7 and then enters the filling line through the first pure water storage tank 7 for bottling, but it may happen when the filling line fails In the case that the first pure water storage tank 7 cannot completely contain the produced drinking water, the second pure water storage tank 9 can be used as a backup pure water storage tank to ensure that the produced drinking water can be completely contained .

At the same time, in order to facilitate the control of the water paths of the first pure water storage tank 7 and the second pure water storage tank 9, the bottled drinking water production system also includes an electromagnetic tee electrically connected to the PLC control system Valve 10, the water inlet of the first pure water storage tank 7 is connected with a second water pipe 11, the water inlet of the second pure water storage tank 9 is connected with a third water pipe 12, the first water pipe 8, the second water pipe The water pipe 11 and the third water pipe 12 are respectively communicated with the electromagnetic three-way valve 10. In normal use, the electromagnetic three-way valve 10 is connected to the path of the first pure water storage tank 7. When the filling equipment fails and the first pure water storage tank 7 is full, the electromagnetic three-way valve 10 The path connecting the first pure water storage tank 7 is closed, and the electromagnetic three-way valve 10 is connected to the path connecting the second pure water storage tank 9 to allow the produced drinking water to enter the second pure water storage tank. 9.

In this embodiment, an ozone mixing tower 13 is provided on the first water pipe 8, and the ozone mixing tower 13 is located between the alkali tank 2 and the first pure water storage tank 7. The ozone mixing tower 13 It can further sterilize the drinking water produced to ensure the quality of drinking water. At the same time, in order to ensure that ozone is fully mixed with drinking water, the outer wall of the ozone mixing tower 13 is provided with a circulating pipe 14, a circulating pump 15 is provided on the circulating pipe 14, and an ozone generator 16 is connected to the circulating pipe 14. Both the circulating pump 15 and the ozone generator 16 are electrically connected to the PLC control system. When the drinking water enters the ozone mixing tower 13, the circulating pump 15 is activated to drive the drinking water to circulate in the circulating pipe 14. During the circulation process, the ozone generated by the ozone generator 16 is fully mixed to ensure that The quality of drinking water.

In this embodiment, a level gauge 22 is provided inside the raw water tank 3, and the water level of the raw water tank 3 can be checked at any time.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the technical principles of the present invention, several improvements and substitutions can be made. These improvements and substitutions It should also be regarded as the protection scope of the present invention.

Claims

A bottled drinking water production system, which is characterized in that it includes a PLC control system, an acid tank, an alkali tank, a raw water tank connected by pipes in the direction of the water flow, a lifting pump, a pretreatment unit, a PH detector, a sterilization unit, and reverse osmosis filtration. The first pure water storage tank, the reverse osmosis unit and the first pure water storage tank are connected by a first water pipe, and the liquid outlets of the acid tank and the alkali tank are both provided with solenoid valves and connected to the The first water pipe, the lift pump, the PH detector and the solenoid valve are all electrically connected to the PLC control system.
The bottled drinking water production system according to claim 1, characterized in that it comprises a second pure water storage tank, and the second pure water storage tank is in communication with the first water pipe.
The bottled drinking water production system according to claim 2, further comprising an electromagnetic three-way valve electrically connected to the PLC control system, and a second water pipe is connected to the water inlet of the first pure water storage tank, so The water inlet of the second pure water storage tank is connected with a third water pipe, and the first water pipe, the second water pipe and the third water pipe are respectively communicated with the electromagnetic three-way valve.
The bottled drinking water production system according to claim 1, wherein the first water pipe is provided with an ozone mixing tower, and the ozone mixing tower is located between the alkali tank and the first pure water storage tank. between.
The bottled drinking water production system according to claim 4, wherein the outer wall of the ozone mixing tower is provided with a circulation pipe, the circulation pipe is provided with a circulation pump, and the circulation pipe is connected with an ozone generator.
The bottled drinking water production system according to any one of claims 1 to 5, wherein the pretreatment unit includes a multi-media filter, an activated carbon filter and a softener that are connected in sequence.
The bottled drinking water production system according to any one of claims 1 to 5, wherein the sterilization unit is an ultraviolet germicidal lamp.
The bottled drinking water production system according to any one of claims 1 to 5, wherein a booster pump is provided between the sterilization unit and the reverse osmosis filter.
The bottled drinking water production system according to any one of claims 1 to 5, characterized in that: the raw water tank is provided with a level gauge inside.