CN212799987U

CN212799987U - Drinking purified water preparation system

Info

Publication number: CN212799987U
Application number: CN202020436905.4U
Authority: CN
Inventors: 蔡宏展; 陈炜彧; 郭凯敏; 张学良; 陆晟星
Original assignee: China Electronics Innovation Environmental Technology Co ltd
Current assignee: China Electronics Innovation Environmental Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-03-26
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a pure water preparation system drinks, its structure includes the former water tank, prefilter unit, desalination device, charge device and the pure water case that connect gradually through the pipeline, and the running water inlet tube is connected to former water tank, and the pipeline is directly drunk to pure water case exit linkage, and the pure water case is connected with independent circulation disinfection system. The utility model has the advantages that: first, the cost is low. Traditional two-stage reverse osmosis desalination effect is stable, but the cost is higher, the utility model discloses change the combined process of membrane capacitance deionization and reverse osmosis into, utilize membrane capacitance deionization as reverse osmosis's pretreatment process, the scale deposit risk is little, and reverse osmosis load is low, when guaranteeing water quality of water, system investment cost and running cost all obtain effective reduction. Secondly, no peculiar smell exists. The independent circulation disinfection system does not influence the design of straight drinking water supply pipe network, follows the principle that the flowing water is not rotten through pure water tank hydrologic cycle, utilizes ultraviolet sterilization and active carbon adsorption, eliminates bacterium and peculiar smell, promotes the drinking water taste.

Description

Drinking purified water preparation system

Technical Field

The utility model relates to a pure water preparation system drinks belongs to water treatment technical field, specifically belongs to the drinking water field of making.

Background

The direct drinking water in pipeline is to set up water purifying station in residential area (hotel, office building, etc.) to deeply treat running water to eliminate organic matter, bacteria, virus and other harmful matter in water, and to set up independent circulating pipe network with high quality pipe to convey the purified water to water consuming point for direct drinking.

With the increasing living standard of people, the requirement on drinking water is higher and higher. The existing sanitary Standard for Drinking Water (GB5749-2006) has low water quality index, and tap water cannot be directly drunk; the tap water pipe network also has quite serious secondary pollution problems, including pipeline corrosion, leakage, scaling and the like; the cost of the barreled water is high, and the secondary pollution problems of a water dispenser and the like also exist. The pipeline direct drinking water has the advantages of health, sanitation, safety, convenience, economy and the like, and is more and more applied.

The pipeline direct drinking water treatment technology in the prior art mainly adopts a preparation process taking two-stage reverse osmosis as a main body, the quality of outlet water is good, but the overall cost of the system is higher, and a certain optimization space exists.

The membrane capacitance deionization technology adds an ion exchange membrane on the surface of a capacitance deionization electrode, adopts a form of combining a graphite electrode and an ion membrane, is not easy to scale, has a desalination rate of over 90 percent, and can effectively reduce the reverse osmosis operation load and reduce the reverse osmosis investment cost if the outlet water is used as the inlet water of primary reverse osmosis.

The disinfection process in the prior art basically adopts one disinfection, has certain risk, and can set up a circulating disinfection system for optimization.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drink pure water preparation system, its purpose aims at overcoming the above-mentioned not enough that prior art exists, realizes the reduce system cost, and disinfection is free from extraneous odour, provides straight drinking water.

The technical solution of the utility model is as follows: the utility model provides a drink pure water preparation system, its structure includes the former water tank, prefilter, desalination device, charge device and the pure water case that connect gradually through the pipeline, and the running water inlet tube is connected to former water tank, and the pipeline is directly drunk to pure water case exit linkage, and the pure water case is connected with independent circulation disinfection system.

Preferably, the prefilter includes multi-media filter and the active carbon filter through the pipe connection, the demineralizer includes membrane capacitance deionization device and the reverse osmosis unit through the pipe connection, and former water tank export is through the pipe connection multi-media filter import of taking the raw water pump, and the active carbon filter export is through the import of pipe connection membrane capacitance deionization device, and the water outlet is produced to the reverse osmosis unit is imported through the pipe connection pure water tank of taking charge device, and the thick water export of reverse osmosis unit passes through the former water tank of backflow pipeline connection.

Preferably, the dosing device comprises an ozone generator and a pipeline mixer, the water outlet of the reverse osmosis device is connected with the inlet of the pipeline mixer through a pipeline, the water outlet pipeline of the reverse osmosis device is also provided with a dosing port connected with the ozone generator, the ozone generator outputs ozone to enter the pipeline mixer, and the outlet of the pipeline mixer is connected with the inlet of the purified water tank.

Preferably, the independent circulation disinfection system includes ultraviolet sterilizer and smart filter equipment, and the export of pure water bottom of the case portion is imported through the pipe connection ultraviolet sterilizer of taking disinfection circulating water pump, and the export of ultraviolet sterilizer passes through the import of the smart filter equipment of pipe connection, and the export of smart filter equipment passes through the import of pipe connection pure water case.

Preferably, the effective dose of the ultraviolet sterilizer is more than or equal to 40mJ/cm²The fine filtering device is a cylinder type filter with an active carbon filter element arranged inside.

Preferably, the activated carbon filter element of the cylinder filter is a bulk activated carbon filter element, non-woven fabric filter discs are respectively placed at two ends of the shell, the filtering precision is 5 micrometers, and the specific surface area of the activated carbon is 800-1000 m 2/g.

The utility model has the advantages that: first, the cost is low. Traditional two-stage reverse osmosis desalination effect is stable, but the cost is higher, the utility model discloses change the combined process of membrane capacitance deionization and reverse osmosis into, utilize membrane capacitance deionization as reverse osmosis's pretreatment process, the scale deposit risk is little, and reverse osmosis load is low, when guaranteeing water quality of water, system investment cost and running cost all obtain effective reduction.

Secondly, no peculiar smell exists. The independent circulation disinfection system does not influence the design of straight drinking water supply pipe network, follows the principle that the flowing water is not rotten through pure water tank hydrologic cycle, utilizes ultraviolet sterilization and active carbon adsorption, eliminates bacterium and peculiar smell, promotes the drinking water taste.

Drawings

Fig. 1 is a schematic structural diagram of a drinking purified water preparation system of the present invention.

In the figure, 1 is tap water, 2 is a raw water tank, 3 is a raw water pump, 4 is a multi-media filter, 5 is an activated carbon filter, 6 is a membrane capacitance deionization device, 7 is a reverse osmosis device, 8 is an ozone generator, 9 is a pipeline mixer, 10 is a purified water tank, 11 is a disinfection circulating water pump, 12 is an ultraviolet sterilizer, 13 is a cartridge filter, and 14 is a direct drinking pipeline.

Detailed Description

The present invention will be described in further detail with reference to examples and embodiments.

As shown in figure 1, a drinking purified water preparation system structurally comprises a raw water tank 2, a pre-filtering device, a desalting device, a dosing device and a purified water tank 10 which are sequentially connected through pipelines, wherein the raw water tank 2 is connected with a tap water inlet pipe 1, an outlet of the purified water tank 10 is connected with a direct drinking pipeline 14, and the purified water tank 10 is connected with an independent circulation disinfection system.

The prefilter includes multi-media filter 4 and active carbon filter 5 through the pipe connection, the demineralizer includes membrane capacitance deionization device 6 and reverse osmosis unit 7 through the pipe connection, 2 exports of former water tank are through taking 4 imports of multi-media filter of pipe connection of raw water pump 3, 5 exports of active carbon filter pass through 6 imports of pipe connection membrane capacitance deionization device, the water outlet of 7 productions of reverse osmosis unit is through the pipe connection pure water tank 10 inlets of taking charge device, 7 dense water exports of reverse osmosis unit pass through backflow pipeline and connect former water tank 2.

The dosing device comprises an ozone generator 8 and a pipeline mixer 9, the outlet of the water produced by the reverse osmosis device 7 is connected with the inlet of the pipeline mixer 9 through a pipeline, the outlet pipeline of the water produced by the reverse osmosis device 7 is also provided with a dosing port which is connected with the ozone generator 8, the ozone generator 8 outputs ozone to enter the pipeline mixer 9, the outlet of the pipeline mixer 9 is connected with the inlet of the purified water tank 10, and the ozone generator 8 is connected with the inlet of the pipeline mixer 9 through a pipeline.

After entering the raw water tank 2, the tap water 1 enters the multi-media filter 4 and the activated carbon filter 5 through the raw water pump 3, the multi-media filter 4 can remove large particle pollutants in the water, and the activated carbon filter 5 removes macromolecular organic matters by means of large specific surface area of activated carbon.

The outlet water of the activated carbon filter 5 is used as the inlet water of the membrane capacitance deionization device 6, the operation voltage and the operation temperature are controlled, the outlet water is used as the inlet water of the reverse osmosis device 7, the system recovery rate of the reverse osmosis device 7 can be adjusted at 70-90% according to specific conditions, under the condition of ensuring the quality of the outlet water (10 mu S/cm), the system recovery rate can be properly reduced, the power consumption is reduced, and concentrated water flows back to the original water tank 1 without waste.

The water from the reverse osmosis device 7 is added by the ozone generator 8 and mixed by the pipeline mixer 9 to achieve the disinfection purpose, and the water can enter the direct drinking pipeline 14.

The independent circulation disinfection system comprises an ultraviolet sterilizer 12 and a fine filtering device, the fine filtering device is preferably a cartridge filter 13, the outlet at the bottom of the purified water tank 10 is connected with the inlet of the ultraviolet sterilizer 12 through a pipeline with a disinfection circulating water pump 11, the outlet of the ultraviolet sterilizer 12 is connected with the inlet of the fine filtering device through a pipeline, and the outlet of the fine filtering device is connected with the inlet of the purified water tank 10 through a pipeline.

The independent circulation disinfection system conveys the purified water in a purified water tank 10 by a disinfection circulating water pump 11 to pass through an ultraviolet sterilizer 12 and a cylinder type filter 13, and the effective dose of the ultraviolet sterilizer 12 is more than or equal to 40mJ/cm²The fine filtering device is a cylinder type filter 13 with an active carbon filter element inside, furthermore, the active carbon filter element is a bulk active carbon filter element, and non-woven fabric filter sheets are respectively placed at two ends of the shell to ensure that the filter element can not drop carbon powder. The filtration precision is 5 mu m, and the specific surface area of the active carbon is 800-1000 m²(ii) in terms of/g. Can effectively remove peculiar smell, color and organic matters in water。

Ultraviolet sterilization separates with water supply pipe, each other does not influence, and water supply pipe pressure flow better designs, reduces water supply pipe design flow and pressure.

To sum up, the utility model provides a system of highly getting rid of urea in regeneration water can replace traditional biological treatment method and chemical dosing method, has that the running cost is low, goes out water quality of water and waits a bit well, finally can make the regeneration water stabilize as pure water preparation system raw water, realizes the cyclic utilization of water resource.

According to the structure, the working process comprises the following specific steps:

(1) a pre-filtering device. Tap water enters a raw water tank under the control of an electromagnetic valve, is conveyed to a pre-filtering device through a conveying pump, and sequentially comprises a multi-medium filter and an activated carbon filter, so that pollutants such as large particles, macromolecular organic matters, colloid, residual chlorine and the like in the raw water are removed.

(2) A desalination device. The effluent treated by the pre-filtering device enters a desalting device, and membrane capacitance deionization and primary reverse osmosis are sequentially performed to remove pollutants such as heavy metal, TDS and the like in the water.

The membrane capacitance deionization operating voltage is 1.0-1.2V, the operating temperature is 20-25 ℃, the effluent is stable below 30 mu S/cm, and the effluent is stable below 5 mu S/cm through primary reverse osmosis treatment and reaches the standard of bottled purified water (GB 17323-98).

(3) A medicine adding device. And a dosing device is arranged between the desalting device and the purified water tank, and comprises an ozone generator and a pipeline mixer for removing microorganisms in water.

The dosage of the ozone is adjusted according to the concentration of the ozone at the rear end of the pipeline mixer, and the residual concentration of the ozone is not less than 0.01 mg/L.

(4) An independent circulation disinfection system. In order to prevent bacteria from breeding and peculiar smell from being generated due to too long retention time of purified water in the purified water tank, the independent circulation disinfection system is specially designed, an inlet and an outlet of the independent circulation disinfection system are connected with the purified water tank, and the closed circulation system sequentially comprises a disinfection circulating water pump, an ultraviolet sterilization device and a fine filtering device.

The flow of the sterilizing circulating water pump is determined according to the effective volume and the retention time of the purified water tank so as to ensure that bacteria and peculiar smell are not generated in the purified water tank. Further, the retention time is not more than 12 hours, and preferably 4-8 hours.

All the above components are prior art, and those skilled in the art can use any model and existing design that can implement their corresponding functions.

The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a pure water preparation system drinks, its characterized in that includes raw water tank (2), prefilter, demineralizer, charge device and pure water case (10) that connect gradually through the pipeline, and running water (1) inlet tube is connected in raw water tank (2), and pure water case (10) exit linkage straight drink pipeline (14), and pure water case (10) are connected with independent circulation disinfection system, prefilter includes multi-media filter (4) and active carbon filter (5) through the pipe connection, demineralizer includes membrane capacitance deionization device (6) and reverse osmosis unit (7) through the pipe connection, and raw water tank (2) export is imported through the pipe connection multi-media filter (4) of taking raw water pump (3), and active carbon filter (5) export is imported through pipe connection membrane capacitance deionization device (6), and reverse osmosis unit (7) produce the water export and import through the pipe connection pure water case (10) of taking charge device, the concentrated water outlet of the reverse osmosis device (7) is connected with the raw water tank (2) through a return pipeline.

2. The system for preparing purified drinking water according to claim 1, wherein the dosing device comprises an ozone generator (8) and a pipeline mixer (9), the water outlet of the reverse osmosis device (7) is connected with the inlet of the pipeline mixer (9) through a pipeline, the water outlet pipeline of the reverse osmosis device (7) is further provided with a dosing port connected with the ozone generator (8), the ozone generator (8) outputs ozone to enter the pipeline mixer (9), and the outlet of the pipeline mixer (9) is connected with the inlet of the purified water tank (10).

3. The drinking purified water preparation system of claim 2, wherein the independent circulation disinfection system comprises an ultraviolet sterilizer (12) and a fine filtering device, the outlet at the bottom of the purified water tank (10) is connected with the inlet of the ultraviolet sterilizer (12) through a pipeline with a disinfection circulating water pump (11), the outlet of the ultraviolet sterilizer (12) is connected with the inlet of the fine filtering device through a pipeline, and the outlet of the fine filtering device is connected with the inlet of the purified water tank (10) through a pipeline.

4. The system for preparing purified drinking water according to claim 3, wherein the ultraviolet sterilizer (12) is specified to have an effective dose of 40mJ/cm or more²The fine filtering device is a cylinder type filter (13) with an active carbon filter element arranged inside.

5. The system for preparing purified drinking water according to claim 4, wherein the activated carbon filter element of the cartridge filter (13) is a bulk activated carbon filter element, non-woven fabric filter discs are respectively placed at two ends of the shell, the filtering precision is 5 μm, and the specific surface area of the activated carbon is 800-1000 m²/g。