CN102303925A - Device and method for removing hardness in drinking water - Google Patents
Device and method for removing hardness in drinking water Download PDFInfo
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- CN102303925A CN102303925A CN201110234695A CN201110234695A CN102303925A CN 102303925 A CN102303925 A CN 102303925A CN 201110234695 A CN201110234695 A CN 201110234695A CN 201110234695 A CN201110234695 A CN 201110234695A CN 102303925 A CN102303925 A CN 102303925A
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- water
- tap water
- hardness
- filter core
- scale inhibitors
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Abstract
The invention discloses a device for removing hardness in drinking water, and the device comprises a hydraulic ratio doser and a filter connected with the water outlet of the hydraulic ratio doser. The invention also discloses a method for removing hardness in drinking water, and the method comprises the following steps: directly installing the hydraulic ratio doser onto a tap water pipeline to add antisludging agent into the tap water; and then, filtering the tap water treated by the antisludging agent through the filter. In the device, the antisludging agent is added into the tap water through the hydraulic ratio doser; the hydraulic ratio doser can be directly installed on a water pipe; the hydraulic pressure of the tap water pipe serves as power without consuming electricity; and gel generated in water is filtered out by a filter, so that discharged water is drinking water with low hardness. With the method, the removal rate of the hardness of the drinking water can be above 80%. The device is convenient to operate, has low cost and is suitable to process drinking water at home terminal.
Description
Technical field
The present invention relates to the drinking water deep purification field, be specifically related to a kind of device and method that is used for removing tap water hardness.
Background technology
Hardness is an important indicator of water quality detection.Owing to reasons such as geographical conditions and environmental pollutions, a lot of local water hardness are all very high, contain more solubility calcium, magnesium compound.Standard GB 5749-2006 is defined as hardness of drinking water can not surpass 450 mg/litre.
If hardness is too high, drinking the back all has certain influence to HUMAN HEALTH and daily life.Hardness is being commonly referred to hard water more than 8, and after hard water is boiled, can occurs on the surface that foam floats over water or be deposited in kettle or water tumbler bottom, white casse, it is uncomfortable to make us sense organ, drinks and can cause functions of intestines and stomach disorderly; The wall of kitchen, toilet, ceramic tile, kitchen tools, base plate, bathtub, toilet, gargle and wash pond etc. because hard water can fouling knot stain; Hard water is used for washing also can produce harm, the waste washing composition, and colored clothes fugitive color, white clothes can dim jaundice, harden after clothing dries that it is not soft to harden, and the wearing and tearing of washing machine are accelerated; Not smooth with hard water bathing skin, hair is dark and gloomy; Hard water can form incrustation scale in boiler, not only reduce the heat transfer efficiency and the energy utilization efficiency of boiler, and power consumption is increased, waste fuel, and also the ditch that generates is easy to blocking pipe, causes potential safety hazard.
Water softening can be used distillation method, uses but be inappropriate for home terminal; Complex equipments such as RO film, electrodialysis are used inconvenience, take electricity charge water; Ion exchange method is used trouble, needs frequent regeneration, and cost is higher.
Summary of the invention
The problem that the present invention solves is to provide a kind of device and method that is used for removing tap water hardness, can effectively remove the hardness in the tap water, and easy and simple to handle, cost is low, be suitable for home terminal and use.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of device that is used for removing tap water hardness comprises waterpower chemical proportioner and the strainer that links to each other with said waterpower chemical proportioner water outlet.
As preferably, the filter core in the said strainer is microfiltration membrane, ultra-filtration membrane or sintering activity charcoal filter core.
As preferably, the aperture of said sintering activity charcoal filter core is 0.1 μ m～0.5 μ m.
A kind of method of removing hardness in the tap water comprises:
The waterpower chemical proportioner is directly installed on the tap water pipe line, in tap water, adds Scale inhibitors, the tap water of then Scale inhibitors being handled filters through strainer.
As preferably, the concentration that adds of said Scale inhibitors is 8mg/L～15mg/L.
As preferably, said Scale inhibitors is one or more in sodium humate, water glass, organophosphate, poly carboxylic acid, vinylformic acid, the SAP 73.
As preferably, said Scale inhibitors is a SAP 73.
As preferably, the filter core in the said strainer is microfiltration membrane, ultra-filtration membrane or sintering activity charcoal filter core.
As preferably, the aperture of said sintering activity charcoal filter core is 0.1 μ m～0.5 μ m.
The present invention removes that the method for hardness is to utilize the waterpower chemical proportioner in tap water, to drop into Scale inhibitors in the tap water, and the waterpower chemical proportioner can be directly installed on the water pipe, and the hydraulic pressure that utilizes running water pipe need not electricity consumption as power; Re-use the gel that produces in the strainer elimination water, water outlet is the tap water of soft.This method reaches more than 80% the clearance of tap water hardness, and easy and simple to handle, cost is low, is applicable to the processing of home terminal tap water.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
The device that is used for removing tap water hardness provided by the invention comprises waterpower chemical proportioner and the strainer that links to each other with said waterpower chemical proportioner water outlet.Waterpower chemical proportioner and strainer can be split type, also can process integral type and put into a shell, make device compact more, save the space.
The waterpower chemical proportioner can be directly installed on the tap water pipe line, need not electric power, and with the hydraulic pressure of the tap water power as work.Under the driving of the current that have pressure, the doser operation can ratio as required directly suck Scale inhibitors and be injected into the water from container; The automatic thorough mixing of Scale inhibitors and water in doser; And can keep the accurate dosing dosage of constant, no matter how the flow and the pressure of water change, and the dosage of the Scale inhibitors of injection and the flow of tap water are proportional all the time; Ratio can be regulated, and is easy and simple to handle.
Waterpower chemical proportioner water outlet connects strainer, and the tap water that under the driving of hydraulic pressure, has mixed Scale inhibitors flows to strainer and filters.Have good scale inhibition effect after adding Scale inhibitors in the tap water, but Scale inhibitors easily with water in calcium ion react, generate gelinite, make water quality become muddy, so need gelinite be filtered out.Filter core in the strainer of the present invention is selected a kind of in microfiltration membrane, ultra-filtration membrane or the sintering activity charcoal filter core for use.As if also coloured in the tap water, flavor, organic pollution, then preferably using the aperture is the sintering activity charcoal filter core of 0.1 μ m～0.5 μ m, can not only remove the hardness in the tap water, can also carry out deep purifying.
The method of hardness is simply effective, easy to use in the removal tap water provided by the invention, is suitable for home terminal and uses.Specifically comprise the waterpower chemical proportioner is directly installed on the tap water pipe line, rely on water flow pressure in tap water, to add Scale inhibitors, utilize Scale inhibitors to remove the hardness in the tap water.Scale inhibitors in can disperse water insoluble inorganic salt, prevention or disturb the fouling of insoluble inorganic salt.The concentration that adds of Scale inhibitors is preferably 8mg/L～15mg/L among the present invention, selects in sodium humate, water glass, organophosphate, poly carboxylic acid, vinylformic acid, the SAP 73 one or more for use.The present invention preferably uses SAP 73; SAP 73 (PASP) has functions such as scale inhibition, inhibition, dispersion, and is very good to the scale inhibition effect of lime carbonate, and nontoxic, pollution-free, degradable; The eventual degradation product is ammonia, carbonic acid gas and the water of environmental sound, belongs to environmentally friendly chemical.
The tap water inflow filter under the driving of hydraulic pressure that adds Scale inhibitors then; Filtration through microfiltration membrane, ultra-filtration membrane or sintering activity charcoal filter core; By adding gelinite, the PM for particulate matter that Scale inhibitors generates; Even pollution such as look, flavor all is removed, and tap water obtains deep purifying, and it is low, limpid, transparent to go out the water hardness.
Embodiment 1:
DOSATRON waterpower chemical proportioner is installed on the pipeline of tap water, and with tap water and SAP 73 thorough mixing in doser, the concentration that adds of SAP 73 is 10mg/L.Mixed tap water is equipped with the water purifier that the aperture is the sintering activity charcoal filter core of 0.1 μ m～0.5 μ m by the water outlet inflow of waterpower chemical proportioner.
Embodiment 2:
DOSATRON waterpower chemical proportioner is installed on the pipeline of tap water, and with tap water and sodium humate thorough mixing in doser, the concentration that adds of sodium humate is 8mg/L.Mixed tap water flows into the water purifier that ultra-filtration membrane is housed by the water outlet of waterpower chemical proportioner.
Embodiment 3:
DOSATRON waterpower chemical proportioner is installed on the pipeline of tap water, and with tap water and poly carboxylic acid thorough mixing in doser, the concentration that adds of poly carboxylic acid is 12mg/L.Mixed tap water flows into the water purifier that microfiltration membrane is housed by the water outlet of waterpower chemical proportioner.
High hardness water with different areas of Beijing experimentizes respectively, to the tap water sampling of former tap water with process doser and the water purifier that filter membrane or active carbon filter core are housed, detects water hardness, and the result sees table 1:
Hardness before and after table 1 is handled in the tap water, unit: mg/L
Through after the practical application, can see that apparatus and method provided by the invention can be good at removing the hardness in the tap water, and easy and simple to handle, be fit to the processing of home terminal tap water.
More than a kind of device and method that is used for removing tap water hardness provided by the present invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. a device that is used for removing tap water hardness is characterized in that, comprises waterpower chemical proportioner and the strainer that links to each other with said waterpower chemical proportioner water outlet.
2. device according to claim 1 is characterized in that, the filter core in the said strainer is microfiltration membrane, ultra-filtration membrane or sintering activity charcoal filter core.
3. device according to claim 2 is characterized in that, the aperture of said sintering activity charcoal filter core is 0.1 μ m～0.5 μ m.
4. a method of removing hardness in the tap water is characterized in that, comprising:
The waterpower chemical proportioner is directly installed on the tap water pipe line, in tap water, adds Scale inhibitors, the tap water of then Scale inhibitors being handled filters through strainer.
5. method according to claim 4 is characterized in that, the concentration that adds of said Scale inhibitors is 8mg/L～15mg/L.
6. according to claim 4 or 5 described methods, it is characterized in that said Scale inhibitors is one or more in sodium humate, water glass, organophosphate, poly carboxylic acid, vinylformic acid, the SAP 73.
7. method according to claim 6 is characterized in that, said Scale inhibitors is a SAP 73.
8. method according to claim 4 is characterized in that, the filter core in the said strainer is microfiltration membrane, ultra-filtration membrane or sintering activity charcoal filter core.
9. method according to claim 8 is characterized in that, the aperture of said sintering activity charcoal filter core is 0.1 μ m～0.5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234695A CN102303925A (en) | 2011-08-16 | 2011-08-16 | Device and method for removing hardness in drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234695A CN102303925A (en) | 2011-08-16 | 2011-08-16 | Device and method for removing hardness in drinking water |
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| Publication Number | Publication Date |
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| CN102303925A true CN102303925A (en) | 2012-01-04 |
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| CN201110234695A Pending CN102303925A (en) | 2011-08-16 | 2011-08-16 | Device and method for removing hardness in drinking water |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471419A (en) * | 2000-10-23 | 2004-01-28 | USF�û�����ҵˮ���Ź�˾ | Water filter cartridge having a proportional flow feeder |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471419A (en) * | 2000-10-23 | 2004-01-28 | USF�û�����ҵˮ���Ź�˾ | Water filter cartridge having a proportional flow feeder |
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Application publication date: 20120104 |