CN201482258U

CN201482258U - Device system for removing fluoride and arsenic from drinking water for urban and rural families

Info

Publication number: CN201482258U
Application number: CN2009200796294U
Authority: CN
Inventors: 罗兴富
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-18
Filing date: 2009-03-18
Publication date: 2010-05-26
Anticipated expiration: 2019-03-18

Abstract

The utility model provides a device system for removing fluoride and arsenic from drinking water for urban and rural families. The device system comprises an activated carbon filter with a quartz sand filter layer and also comprises an activated alumina filter, wherein a ring-shaped partition plate is arranged inside the sealed container of the activated alumina filter, an integrated dedicated filtering head is arranged on the central hole of the partition plate, gaps are distributed on the arc-shaped part of the filtering head, a water outlet is formed at the lower part of the filtering head, an activated alumina filtering layer is arranged on the surface of the filtering head, a water inlet and a backwashing drainage port are arranged on the top of the container, a backwashing water inlet is arranged on the left side surface of the container below the partition plate, a water outlet is arranged on the right side surface of the container below the partition plate, a washing drainage port is arranged at the bottom of the container, and the water outlet of the activated carbon filter is communicated with the water inlet of the activated alumina filter. The device system is economically efficient and practical and provides the healthy drinking water to the urban and rural families.

Description

Town-dweller-rural-family's drinking-water arsenic removal defluorination system and device

One, technical field

The utility model relates to the water field of purification, particularly the manufacturing field of the system and device of the drinking water that uses for town-dweller-rural-family.

Two, background technology

The seriously polluted life that is threatening the mankind of modern water resource; the United Nations's health organization gives a warning to the whole world: " 21 century; water resources crisis will be the human fact that at first will face ", " whole world has at least people more than 60,000 to die from because of drinking the various diseases that contaminant water causes every day." scientist reminds us: if or else we note the maintenance to water resource, will occur---" water grows on trees on the earth, but one can not be drunk! "

The pollution day by day of water resource, particularly serious to the influence in rural area, show according to investigations, rural area, the whole nation more than 8,000 ten thousand people's drinking water fluorinated volumes surpass drinking water sanitary standard, the long-term drinking high-fluorine water, can cause arsenic poisoning, osteoporosis, sclerotin deformation, even paralysis, cause cutaneum carcinoma and various internal organs canceration, generally make the no positive effect that heals with medicine because of drinking these illnesss that high-fluorine water causes, often bring white elephant to family, cause family's poverty, high arsenic high-fluorine water is distributed in the some areas in China each province and city, is drawn loud population and has reached several one hundred ten thousand people.And people in the countryside and enterprise and institution's digging well to get water of China are quoted at present, unconditional just directly the water intaking with simple and easy water pipe in the river and gully drunk, and these underground water are polluted, its pollution is loathsome especially, especially the high arsenic water of the high fluorine in the underground water, iron, manganese, alkali, chlorine, suspension, colloid thing, toxic byproduct, agricultural chemicals, bacterium, silt, iron rust, solid impurity contamination hazard, even there is well that water is arranged, also severe overweight, can't drink, threaten human healthy.The rural area casual household does not use the condition of similar city tap-water, and directly with underground water or the face of land natural stream networks source as drinking water, its present situation is drinking water pollution, severe overweight for the enterprises and institutions in inhabitation rural area and people in the countryside; The small towns running water partly exceeds standard, and do not reach People's Republic of China's new " drinking water sanitary standard ", and the present situation of above-mentioned pollution has constituted to the enterprises and institutions in inhabitation rural area and rural area personnel health's very big threat.

Known water purifier product design structure is comparatively single, there is certain defective in design and the manufacturing, especially to the filtration and the positive sewage backwash of underground water and surface water, and there are certain limitation in filtering accuracy and water yield, above defective has become a technical bottleneck of this series products, its product mainly is based on the purification to exceed standard well water and surface water water source, the purpose that reaches general drinking water designs, can not solve natural village and rural area casual household resident population and directly adopt water sources such as underground water or surface water after purifying, to reach People's Republic of China's " drinking water sanitary standard ", become the purpose of Drinking Water.As: Chinese patent literature disclose a kind of " family expenses removing of iron and manganese water-strainer " (ZL01247190.9) and " rural area, cities and towns household water filter " (ZL200420105145.X), the two all is the water source with underground water, adopts refining quartz sand, artificial manganese sand, activated carbon filtration to be treated as Drinking Water.

Three, utility model content

The utility model mainly is in conjunction with China's reality, New Countryside Construction, realize that urban-rural integration and country match to earthquake-stricken area population safty of drinking water engineering, purpose provides a kind of town-dweller-rural-family drinking-water arsenic removal defluorination system and device, reach People's Republic of China's new " drinking water sanitary standard " to solve rural area underground water and surface water, become the problem of Drinking Water.This novel purpose is realized by following technical scheme, a kind of town-dweller-rural-family drinking-water arsenic removal defluorination system and device, comprise active carbon filtering device with quartz sand filtration layer, it is characterized in that, also has the activated alumina filter: be provided with a toroidal membrane in the closed container of this activated alumina filter, the dividing plate centre bore is provided with the integrated special-purpose filter of " loudspeaker " shape, spread all over the slit on the arc of filter, the filter bottom has apopore, described activated alumina filter course is located at the filter surface, the top of container is provided with water inlet, the back flush discharge mouth, have delivery port on the container right flank of dividing plate below, have the backwash water inlet on the left surface, container bottom has and just washes floss hole; The delivery port of described cocoanut active charcoal filter is communicated with the water inlet of activated alumina filter.

Active carbon filtering device: be provided with a toroidal membrane in its closed container, have on the dividing plate on several circular ports, the hole and be equipped with short-handled filter head, the arc top of filter spreads all over the slit, the filter bottom has apopore, the filter surface is provided with activated carbon filter layer, quartz sand filtration layer from bottom to top, the top of container is provided with water inlet, back flush discharge mouth, has on the container right flank of dividing plate below and has the backwash water inlet on delivery port, the left surface, and container bottom has and just washes floss hole.

In the above-mentioned design, this novel employing double-filtration and multiple filtration device are with respectively at the different needs of town and country drinking water treatment.Exceed standard the running water as part concerning the city, basis is novel carries out activated carbon filtration, activated alumina filtration to it, as for water sources such as rural area underground water, surface water, this is novel it is carried out quartz sand filtration after, carry out activated carbon filtration and activated alumina filtration treatment again.

Compare with prior art (on the basis that existing artificial filtration with manganese sand is handled), this novel pin has increased treatment steps such as twin-stage back flush discharge, the integrated special-purpose filter of " loudspeaker " shape, activated carbon filtration, activated alumina filtration to the water source, rural area.During this was novel, the integrated special-purpose filter of " loudspeaker " shape can enlarge filter area 71%, effectively isolates silt, iron rust, impurity, suspension, incrustation scale, various mechanical admixture in filter medium and the former water; The drainage that manually just recoiling can be controlled sewage emissions, thoroughly discharge the various harmful substances that are suspended in the filter cylinder water body, and contaminant removal effectiveness is up to more than 99%; But the silt in the quartz sand filtration layer filtering water, iron rust, impurity, suspension, various mechanical admixture, make water quality clarification, thoroughly remove incrustation scale, improve the temperature of water outlet; In the adsorbable water of activated carbon filter layer health is threatened granulometric impurity in maximum chlorine residue, peculiar smell, heterochromatic, foreign odor thing, agricultural chemicals, chloroform and the water, stops harmful substances such as bacterium, chemical substance and heavy metal element; The activated alumina filter course can adsorb once more removes harmful fluorine in the water, and drinking water deoxygenation, defluorination, dearsenification, decolouring, deodorizing are had obvious effects; Reservation makes water quality sweet pure sweet to human body beneficial's mineral matter and trace element.

This is novel to have following characteristics: 1, can enlarge filter area 71%, effectively isolate silt, iron rust, impurity, suspension, incrustation scale, various mechanical admixture in filter medium and the former water.2, can control sewage emissions, the thorough various harmful substances that are suspended in the filter cylinder water body of discharging, contaminant removal effectiveness is up to more than 99%.But the silt in the 3 filtering water, iron rust, impurity, suspension, various mechanical admixture, make water quality clarification, thoroughly remove incrustation scale, improve the temperature of water outlet.4, in can adsorbed water health be threatened granulometric impurity in maximum chlorine residue, peculiar smell, heterochromatic, foreign odor thing, agricultural chemicals, chloroform and the water, stops harmful substances such as bacterium, chemical substance and heavy metal element.5, can adsorb harmful fluorine in the removal water once more, drinking water deoxygenation, defluorination, dearsenification, decolouring, deodorizing are had obvious effects.6, keep mineral matter and trace element, thereby make the water quality mouthfeel sweet pure sweet the human body beneficial.7, filter back water quality and reach People's Republic of China's new " drinking water sanitary standard ".

This novel economizer is suitable for, and be particularly suitable for town-dweller-rural-family and use, but each household is installed a cover.

Fig. 1 is the device connection diagram of this novel embodiment;

Four, description of drawings

Fig. 2 is the structure chart of active carbon filtering device shown in Figure 1;

Fig. 3 is the structure chart of activated alumina filter shown in Figure 1.

Fig. 1 illustrates this novel water treatment facilities and is equipped with the situation of filtering power, as for town-dweller-rural-family uses, supply-water pump 2 is extracted the water in well water or the surface water 1 out, and sends into through pipe network and to carry out filtration treatment in this new device, and the water after the processing is sent in the overhead retaining tower 5 for use.If for the situation that running water is arranged in the town and country, then directly running water is introduced and treatedly in this new device then can.

Five, the specific embodiment

Among Fig. 2, the closed container that active carbon filtering device 3 is made up of cylindrical shell 3b and upper cover 3a, cylindrical shell 3b is connected with upper cover 3a spiral, the top of this container is provided with water inlet 3c, sewage backwash mouth 3g, the container left surface of dividing plate below is provided with backwash water inlet 3f, the container right flank of dividing plate below is provided with delivery port 3d, the bottom is provided with just washes sewage draining exit 3e, be provided with a toroidal membrane 31 in this container, have several circular ports on the dividing plate, be equipped with short-handled filter head 32 on the hole, the arc top of filter spreads all over the slit, the filter bottom has apopore, the filter surface is provided with activated carbon filter layer 30 (granularity 0.8-1.0mm) from bottom to top, quartz sand filtration layer 29 (granularity 1.0-1.2mm), the gross thickness＞0.48m of above-mentioned filtering layer; The top of quartz sand filtering layer 29 is provided with arc water distribution cover 28 in this container, spreads all over the water hole on it, plays the distribution and the effect of backwash separated material of water.Can serve as a contrast between the above-mentioned filtering layer with filter cloth.

Among Fig. 3, the closed container that activated alumina filter 4 is made up of cylindrical shell 4b and upper cover 4a, cylindrical shell 4b is connected with upper cover 4a spiral, the top of this container is provided with water inlet 4c, sewage backwash mouth 4g, the container left surface of dividing plate below is provided with backwash water inlet 4f, the container right flank of dividing plate below is provided with delivery port 4d, the bottom is provided with just washes sewage draining exit 4e, be provided with a toroidal membrane 50 in this container, the dividing plate centre bore is provided with the integrated special-purpose filter 51 of " loudspeaker " shape, spread all over the slit on the arc of filter, the filter bottom has apopore, the surface of filter is provided with activated alumina filter course 49 (granularity 0.8-1.0mm), the gross thickness＞0.48m of above-mentioned filtering layer; The top of activated alumina filter course 49 is provided with arc water distribution cover 48 in this container, spreads all over the water hole on it, plays the distribution and the effect of backwash separated material of water.

Referring to Fig. 1, process from water treatment, former water enters from active carbon filtering device 3 through valve 6, after filtering, delivery port 3d from container lower right side flows out (at this moment, drain valve 10 and back flush discharge valve 9 that backwash is gone on water valve 8 and the bottom blow-down mouth are closed), enter activated alumina filter 4 through valve 7 again, (at this moment, drain valve 14 and back flush discharge valve 13 that backwash is gone on water valve 12 and the bottom blow-down mouth are closed), behind multiple filtration, become Drinking Water, outwards export through valve 11, (backwash on the external pipe goes into when

water valve

8 and 12 is the supplying apparatus backwash to use,

drain valve

10 and 14 on the bottom blow-down mouth is provided in a side of the bottom of filter, be that supplying apparatus uses when cleaning at ordinary times, the

drain valve

9 and 13 on the floss hole of top is provided in a side of the top of device, use when being the supplying apparatus backwash).The delivery port of above-mentioned active carbon filtering device is communicated with the water inlet of activated alumina filter.

In addition, a shell can be set, water inlet and outlet pipe outlet are set on it, above-mentioned active carbon filtering device and activated alumina filter are all placed among the shell, become as a whole, use with convenient.

Container can adopt edible stainless steel 304 materials during this was novel, to satisfy hygienic requirements.

Claims

1. town-dweller-rural-family drinking-water arsenic removal defluorination system and device, comprise active carbon filtering device with quartz sand filtration layer, it is characterized in that, also has activated alumina filter (4): be provided with a toroidal membrane (50) in the closed container of this activated alumina filter, the dividing plate centre bore is provided with integrated special-purpose filter (51), spread all over the slit on the arc of filter, the filter bottom has apopore, the surface of filter is provided with activated alumina filter course (49), the top of container is provided with water inlet (4c), the container left surface of dividing plate below is provided with backwash water inlet (4f), and the container right flank of dividing plate below is provided with delivery port (4d); The delivery port of described active carbon filtering device (3) is communicated with the water inlet (4c) of activated alumina filter (4).

2. arsenic removal defluorination system and device according to claim 1, it is characterized in that, the structure of described active carbon filtering device (3) is: be provided with a toroidal membrane (31) in its closed container, have several circular ports on the dividing plate, be equipped with short-handled filter head (32) on the hole, the arc top of filter spreads all over the slit, the filter bottom has apopore, the filter surface is provided with activated carbon filter layer (30) from bottom to top, quartz sand filtration layer (29), the top of container is provided with water inlet (3c), the container left surface of dividing plate below is provided with backwash water inlet (3f), and the container right flank of dividing plate below is provided with delivery port (3d).

3. arsenic removal defluorination system and device according to claim 2 is characterized in that the top of quartz sand filtration layer (29) is provided with arc water distribution cover (28) in the container of described active carbon filtering device (3); The top of activated alumina filter course (49) is provided with arc water distribution cover (48) in the container of described activated alumina filter (4).

4. arsenic removal defluorination system and device according to claim 1 and 2 is characterized in that, the granularity of the quartz sand filtration layer in the described active carbon filtering device (3) is that the granularity of 1.0-1.2mm, activated carbon filter layer is 0.8-1.0mm, total thickness of filter bed＞0.48m; The granularity of activated alumina filter course is 0.8-1.0mm in the container of described activated alumina filter (4), total thickness of filter bed＞0.48m.

5. arsenic removal defluorination system and device according to claim 4 is characterized in that, the container of described active carbon filtering device (3) and activated alumina filter (4) spins by cylindrical shell and upper cover and forms.

6. arsenic removal defluorination system and device according to claim 5 is characterized in that, the cylindrical shell top of described active carbon filtering device (3) is provided with sewage backwash mouth (3g), the bottom is provided with and just washes sewage draining exit (3e); The cylindrical shell top of described activated alumina filter (4) is provided with sewage backwash mouth (4g), the bottom is provided with and just washes sewage draining exit (4e).

7. arsenic removal defluorination system and device according to claim 4 is characterized in that also having a shell, and shell is provided with water inlet and outlet pipe outlet, and described active carbon filtering device and activated alumina filter all place among the shell.