CN214611984U

CN214611984U - Central water purifying equipment with automatic power-off function due to membrane blockage

Info

Publication number: CN214611984U
Application number: CN202120717219.9U
Authority: CN
Inventors: 位德峰; 李佳佳
Original assignee: Huizhou Dongjiang Water Treatment Technology Service Co ltd
Current assignee: Huizhou Dongjiang Water Treatment Technology Service Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-05
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a central water purification unit with membrane blocks up auto-power-off function, a serial communication port, central water purification unit includes raw water entry, water inlet solenoid valve, raw water tank, filtration system in earlier stage, membrane filtration system, PH adjusting device, water purification case, ultraviolet sterilizing equipment, water supply system, backward flow fresh-keeping pipeline. The membrane filtration system comprises multiunit membrane filter and waste water valve, the utility model discloses an all increase check valve and high-pressure valve before single membrane filter and waste water valve respectively, whether detect membrane filter and waste water valve and block up, when a certain membrane filter in the membrane filtration system blocks up, the high-pressure valve disconnection before its membrane filter, it is same, when membrane filter normal use, the waste water valve damages, unable normal drainage leads to waste water valve end pressure to increase to force the high-pressure valve disconnection before the waste water valve, when the high-pressure valve disconnection, central water purification unit auto-power-off, the stop motion reminds the user to maintain.

Description

Central water purifying equipment with automatic power-off function due to membrane blockage

Technical Field

The utility model relates to a water treatment technical field especially relates to a central water purification unit with membrane blocks up auto-power-off function.

Background

The comprehensive strength of the water purification industry in China is continuously enhanced, the encouraging situation of vigorous development is presented, and the continuous development of the industry means that the pursuit of people for the water quality is continuously improved. With the continuous improvement of living standard, the quality requirement of drinking water of more and more people is higher and higher, and central water purification equipment in places such as schools, communities, office buildings, hotels and the like is more and more common. Central water purification unit need be equipped with straight drinking water terminal in the use, and the user can obtain straight drinking water through straight drinking water terminal.

So far, in the course of using water purifier, the untreated water is attached and deposited on the surface and in the pores of the membrane in a large quantity. Therefore, the membrane blockage of the water purifier is inevitable in the use process, as the membrane is arranged in the membrane shell, when the membrane is blocked, the membrane is difficult to distinguish through visual observation, a large amount of water is discharged through the waste water valve, so that a large amount of water resources are wasted, meanwhile, when the waste water valve is damaged and cannot normally discharge waste water, a certain degree of damage is caused to the water purifying equipment, and the problem that how to accurately identify whether the central water purifying equipment is blocked by the membrane or damaged by the waste water valve and cannot normally use the water purifying equipment is caused is solved.

SUMMERY OF THE UTILITY MODEL

To the problems existing in the prior art, the utility model provides a central water purification unit with automatic outage function is blockked up to membrane.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model discloses a central water purification unit with membrane blockage automatic power-off function, which is characterized in that the central water purification unit comprises a raw water inlet, a water inlet solenoid valve, a raw water tank, a prophase filtering system, a membrane filtering system, a PH adjusting device, a water purification tank, an ultraviolet sterilization device, a water supply system and a backflow fresh-keeping pipeline;

the raw water entry is connected with the solenoid valve of intaking, be provided with raw water tank between solenoid valve of intaking and the earlier stage filtration system, be provided with the second booster pump between filtration system and the membrane filtration system in earlier stage, the membrane filtration system is connected with PH adjusting device, be provided with the water purification case between PH adjusting device and the ultraviolet sterilizing device, ultraviolet sterilizing device is connected with water supply system, water supply system and backward flow fresh-keeping pipe connection, the backward flow fresh-keeping pipeline is connected with the water purification case.

Preferably, the early-stage filtration system comprises a first booster pump, a quartz sand filter, an activated carbon filter and a PP cotton filter, wherein the first booster pump, the quartz sand filter, the activated carbon filter and the PP cotton filter are sequentially connected.

Preferably, the membrane filtration system comprises a check valve before the membrane, a high-pressure valve before the membrane, a plurality of membrane filters, a water purification outlet, a concentrated water check valve, a concentrated water high-pressure valve and a waste water valve, the membrane filters are reverse osmosis membranes or nanofiltration membrane filters, the check valve before the membrane and the high-pressure valve before the membrane are arranged before the membrane filters, and the concentrated water check valve and the concentrated water high-pressure valve are arranged between the concentrated water outlet and the waste water valve.

Preferably, the water inlet electromagnetic valve is electrically connected with the first booster pump, the second booster pump, the membrane front high-pressure valve, the concentrated water high-pressure valve and the ultraviolet sterilization device.

The utility model discloses following beneficial effect has:

the utility model detects whether the membrane filter and the waste water valve are blocked by respectively adding the check valve and the high pressure valve in front of the single membrane filter and the waste water valve, when one membrane filter in the membrane filtration system is blocked, the high pressure valve in front of the membrane filter is disconnected, the central water purification equipment is powered off and stops running, and the user is reminded to replace the membrane filter behind the disconnected high pressure valve; similarly, when the membrane filter is normally used, the waste water valve is damaged, normal drainage cannot be performed, and the pressure at the end of the waste water valve is increased, so that the high-pressure valve in front of the waste water valve is forced to be disconnected.

Drawings

Fig. 1 is a schematic structural view of a central water purifying device with membrane blocking automatic power-off function.

In fig. 1: 1. the system comprises a raw water inlet, a water inlet electromagnetic valve, a raw water tank, a first booster pump, a first check valve, a quartz sand filter, an activated carbon filter, a PP cotton filter, a second booster pump, a membrane filtration system, a membrane front check valve, a membrane front high pressure valve, a membrane filter, a purified water outlet, a concentrated water check valve, a concentrated water high pressure valve, a wastewater valve, a PH adjusting device, a purified water tank, a UV sterilizing device, a reflux safety pipeline, a water inlet electromagnetic valve, a raw water tank, a reflux safety pipeline, a water inlet electromagnetic valve, a raw water tank, a membrane filtration system, a membrane front check valve, a membrane front high pressure valve, a membrane front valve, a membrane filter, a concentrated water outlet, a concentrated water check valve, a wastewater valve, a pH adjusting device, a concentrated water check valve, a concentrated water tank, a wastewater valve, a reflux safety pipeline and a reflux safety pipeline.

Detailed Description

Embodiments of the present invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic drawings, which are only for illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

Example 1

As shown in the figure, the utility model discloses a central water purification unit with membrane blocks up auto-power-off function, a serial communication port, central water purification unit includes raw water entry 1, water inlet solenoid valve 2, raw water tank 3, earlier stage filtration system, membrane filtration system 10, PH adjusting device 11, water purification tank 12, ultraviolet sterilizing equipment 13, water supply system, backward flow fresh-keeping pipeline 14. Filtration system is including first booster pump 4, quartz sand filter 6, active carbon filter 7 and the cotton filter 8 of PP in earlier stage, raw water entry 1 is connected with intake solenoid valve 2, be provided with former water tank 3 between intake solenoid valve 2 and the first booster pump 4, quartz sand filter 6, active carbon filter 7 and the cotton filter 8 of PP are connected in order. A second booster pump 9 is arranged between the PP cotton filter 8 and the membrane filtration system 10, the membrane filtration system 10 comprises a membrane front check valve 101, a membrane front high-pressure valve 102, a plurality of membrane filters 103, a pure water outlet 104, a concentrated water outlet 105, a concentrated water check valve 106, a concentrated water high-pressure valve 107 and a waste water valve 108, the membrane filters 103 are reverse osmosis membranes or nanofiltration membrane filters, the membrane front check valve 101, the membrane front high-pressure valve 102 and the membrane filters 103 are sequentially connected, and the concentrated water check valve 106 and the concentrated water high-pressure valve 107 are arranged between the concentrated water outlet 105 and the waste water valve 108. The water purification export 104 is connected with PH adjusting device 11, be provided with water purification case 12 between PH adjusting device 11 and the ultraviolet sterilizing device 13, ultraviolet sterilizing device 13 is connected with water supply system, water supply system is connected with backward flow fresh-keeping pipeline 14, backward flow fresh-keeping pipeline 14 is connected with water purification case 12, water inlet solenoid valve 2 and first booster pump 4, second booster pump 9, membrane front high-pressure valve 101, dense water high-pressure valve 102, ultraviolet sterilizing device 13 electric connection.

The more detailed explanation is:

when the water inlet electromagnetic valve 2 is opened, tap water enters a raw water tank 3 of the central water purification equipment through a raw water inlet 1, large particle impurities, peculiar smell, residual chlorine and a small part of impurity ions in the raw water are removed through a first booster pump 4 and a first check valve 5 in sequence through a quartz sand filter 6 and an activated carbon filter 7, small particle impurities in the water are removed through a PP cotton filter 8 from the filtered water, the water filtered through the PP cotton filter 8 reaches a membrane filtration system 10 through a second booster pump 9, harmful substances such as bacteria, viruses, heavy metal ions and organic matters in the water can be removed after being filtered through a plurality of reverse osmosis membranes or nanofiltration membrane filters in the membrane filtration system 10, a part of the filtered concentrated water is discharged from a waste water valve 108 through a concentrated water outlet 105, and the purified water filtered through the membrane filtration system 10 flows through a PH adjusting device 11 through a purified water outlet 104, the taste of the purified water is improved, the purified water passing through the PH adjusting device 11 reaches the purified water tank 12, the purified water in the purified water tank is connected with a backwater fresh-keeping pipeline, and a switch of the backwater fresh-keeping pipeline is opened every 8 hours to enable the purified water to flow back to the front of a water inlet of the purified water tank 14, so that the purified water is in a flowing state, the water quality is kept, and the potential safety hazard of the used purified water is reduced. While the clean water entering the clean water tank 14 is available to the user. When the membrane filter 103 in the membrane filtration system 10 is blocked, the pressure in the membrane filter 103 is increased at the moment, the pre-membrane high-pressure valve 102 is disconnected due to the pressure increase, the devices electrically connected with the pre-membrane high-pressure valve 102 are disconnected at the moment, and the central water purification equipment is powered off and stops running, so that a user is reminded to replace a filter element or clean the membrane filter; when the membrane filter 104 is normal, the waste water valve 108 is damaged, and concentrated water cannot be discharged normally, so that the pressure of the waste water valve end is increased, the concentrated water high-pressure valve 107 is disconnected under pressure, devices electrically connected with the concentrated water high-pressure valve 107 are disconnected, the central water purifying equipment is powered off and stops running, and a user is reminded to replace the waste water valve. The whole process can realize automatic circuit breaking, and a user only needs to judge the part needing to be maintained according to the circuit breaking condition of the high-pressure valve, so that the operation is simple and convenient.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A central water purifying device with a membrane blockage automatic power-off function is characterized by comprising a raw water inlet, a water inlet electromagnetic valve, a raw water tank, a previous-stage filtering system, a membrane filtering system, a PH adjusting device, a water purifying tank, an ultraviolet sterilizing device, a water supply system and a backflow fresh-keeping pipeline;

2. The central water purifying equipment with the membrane blockage automatic power-off function as claimed in claim 1, wherein the pre-filtering system comprises a first booster pump, a quartz sand filter, an activated carbon filter and a PP cotton filter, and the first booster pump, the quartz sand filter, the activated carbon filter and the PP cotton filter are connected in sequence.

3. The central water purification device with the membrane blockage automatic power off function as claimed in claim 1, wherein the membrane filtration system comprises a membrane front check valve, a membrane front high pressure valve, a plurality of membrane filters, a purified water outlet, a concentrated water check valve, a concentrated water high pressure valve and a waste water valve, the membrane filters are reverse osmosis membranes or nanofiltration membrane filters, the membrane filters are provided with the membrane front check valve and the membrane front high pressure valve in front, and the concentrated water check valve and the concentrated water high pressure valve are arranged between the concentrated water outlet and the waste water valve.

4. The central water purifying equipment with the membrane blocking automatic power-off function as claimed in claim 1, wherein the water inlet solenoid valve is electrically connected with the first booster pump, the second booster pump, the membrane front high-pressure valve, the concentrated water high-pressure valve and the ultraviolet sterilizing device.