CN202849202U - Water purification apparatus for preparing domestic water - Google Patents

Abstract

The utility model provides a water purification apparatus for preparing domestic water. The water purification apparatus comprises a first filtering apparatus, an aeration treatment apparatus, a second filtering apparatus, a third filtering apparatus, a nano-filtration apparatus and a sterilization and disinfection device which are orderly connected along the flow direction of the to-be-treated water, wherein the first filtering apparatus is a suspended matter filtering apparatus, the second filtering apparatus is an iron and manganese removal filtering apparatus, and the third filtering apparatus is an activated carbon filtering apparatus. The water purification apparatus has the positive effect of purifying the water source containing complex constituents (such as the riverbed underground water containing coli group, muddy matters, heavy metal ions and organic pollutant) into the domestic water meeting the national standard.

Description

A water purification device for preparing domestic water

technical field

The utility model relates to the technical field of water purification treatment, more specifically, relates to a device capable of purifying river bed groundwater containing coliform bacteria, turbidity, heavy metal ions, organic pollutants, etc. into domestic water.

Background technique

River bed groundwater is used as domestic water source in a certain area. After inspection, the five indicators of total coliform bacteria, turbidity, visible matter, iron, and lead in the groundwater of the basin did not meet the relevant provisions of the "Drinking Water Sanitation Standard" GB5749-2006, and there were also lead, chromium, arsenic, etc. Heavy metals seasonally exceed the standard. The agricultural production in this area is relatively developed, and pesticides or residual pesticides and fertilizers have a certain impact on groundwater. The devices in the prior art are less effective when dealing with the above-mentioned river bed groundwater with complex components.

Utility model content

In view of the above-mentioned deficiencies in the prior art, one of the purposes of the present utility model is to solve one or more of the above-mentioned deficiencies.

The utility model provides a device capable of purifying water sources with complex components (for example, river bed groundwater containing coliform bacteria, turbidity, heavy metal ions and organic pollutants). The water purification device includes a first filter device, an aeration treatment device, a second filter device, a third filter device, a nanofiltration device, and a sterilization and disinfection device connected in sequence according to the flow direction of the water to be treated, wherein the first The filtering device is a suspended matter filtering device, the second filtering device is a filtering device for removing iron and manganese, and the third filtering device is an activated carbon filtering device.

In an exemplary embodiment of the present utility model, the water purification device may further include a coagulant adding device, and the coagulant adding device is configured to add coagulation to the water to be treated entering the first filtering device. agent.

In an exemplary embodiment of the present invention, the suspended matter filtering device may include quartz sand disposed therein.

In an exemplary embodiment of the present invention, the filter device for removing iron and manganese may include an active biofilm disposed therein.

In an exemplary embodiment of the present invention, the sterilization and disinfection device may include chlorine dioxide stored therein.

Compared with the prior art, the beneficial effects of the utility model include: being able to purify water sources with complex components into domestic water meeting national standards. In addition, in the utility model, activated carbon has a good removal effect on mutagenic substances in water; nanofiltration intercepts ions and other particles with a valence of more than two, and only water molecules and some ions with a valence (such as sodium , potassium, chloride ions), the effluent still retains certain ions that are beneficial to human health, which is more beneficial to health than pure water.

Description of drawings

The above and other purposes and features of the present utility model will become clearer through the following description in conjunction with the accompanying drawings that exemplarily show an example, wherein:

Fig. 1 shows a water purification device for preparing domestic water according to an exemplary embodiment of the present invention.

Detailed ways

Hereinafter, the water purification device for preparing domestic water of the present invention will be described in detail in combination with exemplary embodiments.

In an exemplary embodiment of the present invention, the water purification device includes a first filter device, an aeration treatment device, a second filter device, a third filter device, a nanofiltration device, The sterilization and disinfection device, wherein, the first filtering device is a suspended solids filtering device, the second filtering device is a filtering device for removing iron and manganese, and the third filtering device is an activated carbon filtering device. In the utility model, an activated carbon filter device is used to adsorb the water to be treated, which can effectively remove organic pollutants, adsorb residual pesticides, and have a good removal effect on mutagenic substances in water; a nanofiltration device is used to treat water Purification of water can effectively remove heavy metal ions, and the effluent still retains certain ions that are beneficial to human health.

Preferably, in an exemplary embodiment of the present utility model, the water purification device further includes a coagulant adding device, and the coagulant adding device is configured to add coagulant.

Preferably, in an exemplary embodiment of the present utility model, the suspended matter filtering device includes quartz sand disposed therein, and uses quartz sand to filter the water to be treated to remove suspended matter in the water to be treated, thereby reducing turbidity. Spend.

Preferably, in an exemplary embodiment of the present utility model, the filter device for removing iron and manganese includes an active biofilm disposed therein, and through the active biofilm contact oxidation filtration, iron and manganese in the water to be treated can be removed elements such as metal elements.

Preferably, in an exemplary embodiment of the present utility model, the sterilization and disinfection device includes chlorine dioxide stored therein, and by using chlorine dioxide to treat the water to be treated, microorganisms such as Escherichia coli in the water to be treated can be killed .

The water purification device for preparing domestic water of the utility model is especially suitable for treating river bed groundwater containing coliform bacteria, turbidity, heavy metal ions and organic pollutants.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 shows a water purification device for preparing domestic water according to an exemplary embodiment of the present invention.

As shown in Figure 1, in an exemplary embodiment of the present utility model, the water purification device for preparing domestic water includes a filter device, a water collection well (also an aeration tank), an intermediate lift pump, a filter device for removing iron and manganese, activated carbon Filtration device, nanofiltration device, sterilization and disinfection device (not shown). The river bed groundwater containing coliform bacteria, turbidity, heavy metal ions, and organic pollutants passes through the filter device, water collection well, intermediate lift pump, iron and manganese removal filter device, activated carbon filter device, and nanofiltration device in sequence, and then enters the clear water tank, and then , delivered to domestic water users through the water delivery system.

Wherein, the filter device can be a fully automatic filter device, which can be filled with quartz sand to filter the groundwater of the riverbed, so as to remove suspended matter in the water to be treated. In addition, in this exemplary embodiment, the water purification device may further include a coagulant adding device (not shown), and the coagulant adding device may add a coagulant to the water to be treated entering the first filtering device. The water collection well also functions as an aeration tank to oxidize Fe ²⁺ and Mn ²⁺ in the water. The iron and manganese removal filter device adopts the active biofilm contact oxidation filtration treatment process to remove iron, manganese and other metal elements in the water to be treated. The activated carbon filter device can remove residual pesticides and organic pollutants in water through the adsorption of activated carbon, and has a good removal effect on odor and mutagenic substances in water. The nanofiltration device can remove heavy metal ions such as lead, chromium and arsenic in the water to be treated. The sterilization and disinfection device is arranged after the nanofiltration device, so as to pass chlorine dioxide (ClO ₂ ) into the water to be treated after the nanofiltration device, so as to kill microorganisms such as E. coli in the water to be treated. In addition, the water delivery system may include water delivery pumps, clean water pipelines, high-level pools and water distribution pipe network delivery, etc.

In summary, the water purification device for preparing domestic water of the present utility model can purify water sources with complex components (for example, riverbed groundwater containing coliform bacteria, turbidity, heavy metal ions, and organic pollutants) to meet national standards. drinking water. In addition, in the utility model, activated carbon has a good removal effect on mutagenic substances in water; nanofiltration intercepts ions and other particles with a valence of more than two, and only water molecules and some ions with a valence (such as sodium , potassium, chloride ions), the effluent still retains certain ions that are beneficial to human health, which is more beneficial to health than pure water.

Although the water purification device for preparing domestic water of the present invention has been described above in conjunction with the accompanying drawings and exemplary embodiments, it should be clear to those skilled in the art that the above-mentioned Various modifications are made to the embodiments.

Claims (5)

1. A water purifying device for preparing domestic water, characterized in that, said water purifying device comprises a first filter device, an aeration treatment device, a second filter device, a third filter device connected in sequence according to the flow direction of water to be treated device, nanofiltration device, sterilization and disinfection device, wherein, the first filter device is a suspended solids filter device, the second filter device is a filter device for iron and manganese removal, and the third filter device is an activated carbon filter device. the 2. The water purification device for preparing domestic water according to claim 1, characterized in that, the water purification device also includes a coagulant adding device, and the coagulant adding device is configured to enter into the first filter A coagulant is added to the water to be treated in the device. the 3 . The water purification device for preparing domestic water according to claim 1 , characterized in that, the suspended matter filtering device includes quartz sand disposed therein. 4 . the 4 . The water purification device for preparing domestic water according to claim 1 , wherein the filter device for removing iron and manganese includes an active biofilm disposed therein. the 5 . The water purification device for preparing domestic water according to claim 1 , wherein the sterilization and disinfection device includes chlorine dioxide stored therein. the

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