CN216662741U - Central water purifying equipment with branch pipelines for backwater preservation - Google Patents

Abstract

The utility model discloses a central water purification device with a branch pipeline for backwater preservation, which is characterized by comprising a device main body, wherein the device main body is internally provided with: the system comprises a raw water barrel, a pretreatment system, a membrane filtration system, a purified water barrel, an ultraviolet sterilization device, a booster pump set, a water supply system, a water return pipeline and a system controller which are sequentially communicated. The utility model sets an on-line monitoring unit in each water supply unit of the original water supply system, and can control the closing and opening of the water using electromagnetic valve and the backwater electromagnetic valve through the monitored water quality index, thereby achieving the purpose of controlling the backwater of the water quality of the pipeline for fresh keeping. Meanwhile, when the equipment needs to be unused for a long time, the water using electromagnetic valves of all the water supply units and the water return electromagnetic valves on the water return pipelines can be opened periodically, and the purposes of flushing and refreshing all the pipelines are achieved.

Description

A kind of central water purification equipment with branch return water and fresh-keeping

technical field

The utility model relates to the technical field of water purification, in particular to a central water purifying device with branch pipeline return water for freshness preservation.

Background technique

Water is the source of life, and the quality of drinking water directly affects people's health. Drinking high-quality water has become a symbol of social civilization and progress, and it is also the goal pursued by our people. At present, a quarter of China's population is drinking water that does not meet sanitation standards, and "water pollution" has become a major environmental problem in China. With the rapid development of the economy and the continuous improvement of people's living standards, the requirements for the quality of life, especially the quality of drinking water, are getting higher and higher. The safety and health of drinking water has gradually become a hot spot and focus of attention.

In recent years, in order to improve the quality and safety of drinking water, more and more water purification devices have entered thousands of households. , hospitals, communities, office buildings, hotels, restaurants and other places to provide the choice of direct drinking water for many people.

Since the pipelines that need to be laid in the central water purification equipment are different in distance, there are still many shortcomings in the use of the central water purification equipment. Ensure that the purified drinking water in the system maintains "freshness" when it reaches the end of use, because the longer the pipeline is, the easier it is to rust and breed bacteria and microorganisms, thus affecting the quality and freshness of drinking water, and even bringing drinking water safety. hidden danger.

SUMMARY OF THE INVENTION

Aiming at the problems existing in the prior art, the utility model proposes a central water purification device for antibacterial and fresh-keeping by branch pipelines, which can carry out return water and fresh-keeping according to the water quality conditions of different water supply pipelines.

The technical solution of the utility model to solve the above technical problems is: a central water purification equipment with branch pipeline return water and fresh-keeping, the central water purification equipment comprises an equipment main body, and the equipment main body is provided with: raw water buckets, a pre-water tank connected in sequence, a Treatment system, membrane filtration system, water purification barrel, ultraviolet sterilization device, booster pump set, water supply system, return water pipeline and system controller.

A first booster pump is provided on the pipeline between the raw water bucket and the pretreatment system;

A quartz sand filter, an activated carbon filter and a precision filter are arranged in the main body of the pretreatment system in sequence;

A second booster pump is arranged on the pipeline communicating with the pretreatment system and the membrane filtration system;

The membrane filtration system is a combined system of reverse osmosis membrane filter elements, the clean water outlet is connected with the clean water bucket, and the concentrated water outlet is directly connected with the sewer;

The water supply system is composed of two or more pipeline water supply units in parallel, the water inlet of the water supply unit is connected with the online monitoring unit and the water pipeline respectively through a three-way valve, and the online monitoring unit is equipped with a TDS sensor, A pH sensor and a turbidity sensor, the water pipeline is connected in parallel with a plurality of groups of water supply solenoid valves and water terminals that are connected in sequence, and communicated with the return water pipeline through the water solenoid valve;

The return water pipeline is communicated with the water outlet pipeline of the pretreatment system through a return water solenoid valve;

The online monitoring unit in the water supply system, the water solenoid valve and the water supply solenoid valve on the water pipeline, and the return solenoid valve on the return pipeline are all electrically connected to the system controller, and the system controller is provided with Data receiving unit, remote control unit and display.

Beneficial effects of the present utility model: The technical scheme of the present utility model is to set an online monitoring unit in each water supply unit of the original water supply system. When the water quality index monitored by the sensor in the online monitoring unit is lower than the set value, The system controller determines that the water quality is normal, and the water solenoid valve and return water solenoid valve are open and closed; when the monitored water quality index is higher than the set value, the system controller controls all the water supply solenoid valves in the water supply unit to close, and the water solenoid valve is closed. The valve and the return water solenoid valve are opened, and the water in the pipeline is returned to the outlet pipeline of the pretreatment system, and then filtered by the membrane filtration system with the water inside the system, so as to achieve the purpose of keeping the water quality of the pipeline fresh. This solution can specifically solve the problem that the water quality of the pipelines in the water supply system does not meet the standard. Compared with the overall return water of the traditional water supply system, it saves energy and reduces the need for all users when the water quality of the individual water supply units in the system does not meet the standard. Possibility of not using the water terminal.

In addition to the return water preservation of branch pipelines, if the central water purification equipment is not used for a long time, such as winter and summer vacations in schools, the equipment can be opened at regular intervals and open the water solenoid valves and return water solenoid valves of all water supply units in the water supply system , make the purified water flow back, and play the role of flushing the water supply pipeline, so that the drinking water can continue to maintain good water quality and high "freshness", thereby reducing the safety hazard of drinking water and allowing people to drink water with confidence.

Description of drawings

FIG. 1 is a schematic structural diagram of a central water purification equipment for branch pipeline return water preservation according to the present invention.

Detailed ways

Example 1

As shown in FIG. 1 , this embodiment provides a central water purifying device with branched pipeline return water for freshness preservation. The central water purifying device includes a device main body, and the device main body is provided with: raw water buckets 2 connected in sequence, a Treatment system 4 , membrane filtration system 6 , water purification bucket 7 , ultraviolet sterilization device 8 , booster pump group 9 , water supply system, return water pipeline 17 and system controller 20 . A first booster pump 3 is arranged on the pipeline between the raw water bucket 1 and the pretreatment system 4; the main body of the pretreatment system 4 is provided with a quartz sand filter, an activated carbon filter and a precision filter in sequence; A second booster pump 5 is arranged on the pipeline connecting the pretreatment system 4 and the membrane filtration system 6; the membrane filtration system 6 is a combined system of reverse osmosis membrane filter elements, and the water purification outlet is connected to the purified water The barrel 7 is connected, and the concentrated water outlet is directly connected with the sewer.

The water supply system is composed of two or more pipelines of water supply units 10 in parallel. The water inlet of the water supply unit 10 is connected to the online monitoring unit 14 and the water pipeline 16 through the three-way valve 11, respectively. The online monitoring unit 14 is equipped with a TDS sensor, a pH sensor and a turbidity sensor. The water supply pipeline 16 is connected in parallel with multiple groups of water supply solenoid valves 12 and the water supply terminal 13, which are connected in sequence, and communicated with the return water pipeline 17 through the water solenoid valve 15; The return water pipeline 17 is communicated with the water outlet pipeline of the pretreatment system 4 through the return water solenoid valve 18; the online monitoring unit 14 in the water supply system, the water solenoid valve 15 on the water supply pipeline 16 and the water supply solenoid valve 12, The return water solenoid valves 18 on the return water pipeline 16 are all electrically connected to the system controller 19 , and the system controller 20 is provided with a data receiving unit 21 , a remote control unit 20 and a display 22 .

The water inlet solenoid valve 1 is opened, and the municipal tap water enters the main body of the equipment through the water inlet 1, and the large particles of impurities such as rust and suspended solids in the water are filtered out through the purification of the equipment, and the residual chlorine, peculiar smell and most of the water are removed at the same time. Organic pollutants and harmful substances such as bacteria, viruses, heavy metals and organic substances in water, the concentrated water after filtering is directly discharged or used for other purposes, and the purified water is stored in the water purification bucket 7 for terminal use in the water supply system.

The specific explanation is as follows: an online monitoring unit 14 is provided in each water supply unit 10 of the original water supply system, and when the water quality index monitored by the sensor in the online monitoring unit 14 is lower than the set value, the system controller 19 determines the water quality Normally, the water solenoid valve 15 and the return water solenoid valve 18 are closed; when the monitored water quality index is higher than the set value, the system controller 19 controls all the water supply solenoid valves 12 in the water supply unit 10 to close, and the water solenoid valve 15 and the return water solenoid valve 18 are opened, and the water in the pipeline is returned to the water outlet pipeline of the pretreatment system 4 and then filtered by the membrane filtration system 6 with the water inside the system, so as to achieve the purpose of returning the water quality of the pipeline to keep fresh.

At the same time, in addition to the return water of the sub-pipeline, if the central water purification equipment is not used for a long time, such as winter and summer vacations in schools, the equipment can be turned on at regular intervals and open the water solenoid valves and solenoid valves of all water supply units in the water supply system. The return water solenoid valve makes the purified water flow back and flushes the water supply pipeline, so that the drinking water continues to maintain good water quality and high "freshness", thereby reducing the safety hazard of drinking water and allowing people to drink water with confidence.

In addition to the above-mentioned embodiments, the present invention may also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope required by the present invention.

Claims (4)

1. a central water purification equipment for branch pipeline return water preservation, it is characterized in that, described central water purification equipment comprises equipment main body, is arranged in described equipment main body: the raw water bucket that communicates sequentially, pretreatment system, membrane filtration System, water purification barrel, ultraviolet sterilization device, booster pump set, water supply system, return water pipeline and system controller; A first booster pump is provided on the pipeline between the raw water bucket and the pretreatment system; A quartz sand filter, an activated carbon filter and a precision filter are arranged in the main body of the pretreatment system in sequence; A second booster pump is arranged on the pipeline communicating with the pretreatment system and the membrane filtration system; The membrane filtration system is a combined system of reverse osmosis membrane filter elements, the clean water outlet is connected with the clean water bucket, and the concentrated water outlet is directly connected with the sewer. 2. The central water purifying equipment of claim 1, wherein the water supply system is composed of two or more pipeline water supply units in parallel, and the water supply units are connected in parallel. The water outlet is respectively connected with the online monitoring unit and the water pipeline through a three-way valve. The on-line monitoring unit is equipped with a TDS sensor, a pH sensor and a turbidity sensor. The water pipeline is connected in parallel with multiple groups of water supply solenoid valves connected in sequence with the water supply. terminal, and communicated with the return water pipeline through the water solenoid valve. 3 . The central water purifying equipment of claim 1 , wherein the return water pipeline is communicated with the outlet pipeline of the pretreatment system through a return water solenoid valve. 4 . 4. A kind of central water purification equipment for branch pipeline backwater preservation according to claim 1, characterized in that, the online monitoring unit in the water supply system, the water solenoid valve and the water supply solenoid valve on the water supply system, the The return water solenoid valves on the return water pipeline are all electrically connected with the system controller, and the system controller is provided with a data receiving unit, a remote control unit and a display.

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