Background technology
Quality problem is a large center of gravity on social people's lives basis, at present, water quality condition that is domestic and foreign department region-by-region is harder, water hardness be wherein contain positively charged ion calcium, magnesium ion total concn, impurity in existing drinking filter intelligently filters water is if floating matter, throw out, scale or peculiar smell are as chlorinated lime taste, mud fishy smell, iron rust taste etc., and absorption can not be filtered for a large amount of calcium, magnesium ion, and the total concn of calcium, magnesium ion is too high, is harmful to the health of human body; Soft water is compared with tap water, and have extremely significantly mouthfeel and feel, soft water oxygen level is high, and hardness is low, effectively can prevent lithiasis, alleviates the heart, kidney burden, good for health.
A lot of water softener is calcium, the magnesium ion removed by ion exchange resin in water at present, reduces water hardness.On the one hand have price higher, be easy to just to adsorb saturated on the other hand, the casing of water softener is generally directly exposed at present in addition, so usually can fluctuate because of outside temperature, shell forms moisture or water of condensation, easily causes mould to grow.
How to seek a kind of softening water performance good, level of safety is higher, with low cost, for the composite filtering material of hard water softening, is a problem being worth research.
Summary of the invention
Goal of the invention: to have effect bad in order to solve in prior art existing common softening water filtrate, and expensive problem, the present invention proposes a kind of soft water composite filtering material efficient, with low cost and preparation method thereof.
Technical scheme: to achieve these objectives; the present invention takes following technical scheme: a kind of soft water composite filtering material, comprises following component according to weighing scale: 15-20 part granulated active carbon, 20-30 part ion exchange resin, 5-10 part medical stone, 10-15 part quartz sand, 5-10 part calcite, 5-10 part silicon carbide, 5-10 part polycarboxylate, 10-15 part Sunmorl N 60S, 5-10 part corrosion inhibiting and descaling agent, 10-15 part sequestrant, 15-20 part deionized water.
Further, described ion exchange resin is weak acid ion exchange resin.
Further, described medical stone, calcite particle diameter are 1-5 μm.
Further, described polycarboxylate is wetting ability polycarboxylate.
Further, described corrosion inhibiting and descaling agent is that zinc sulfate, molybdate, Sodium salts humic acids and lignin quality are than the mixture for 3:1:2:2.
Further, described sequestrant is aminocarboxylic acids.
Further, described aminocarboxylic acid quasi-chelate compound is specially one or more in EDTA, DTPA, EGTA, NTA.
The preparation method of above-mentioned a kind of soft water composite filtering material, comprises the steps:
(1) medical stone of required weight, calcite high-speed grinder are ground to the particle that particle diameter is 1-5 μm, mix stand-by with granulated active carbon, quartz sand, silicon carbide and ion exchange resin;
(2) 60-70 DEG C is heated to while stirring after the polycarboxylate of required weight, Sunmorl N 60S, corrosion inhibiting and descaling agent, sequestrant and deionized water being mixed, add the raw mixture that step (1) is stand-by while hot, continue to stir, be warming up to 80 DEG C, Heat preservation to compound water ratio is 15%-20%, granulation;
(3) above-mentioned wet granular is directly put into shock heating expansion in hot environment, expansion temperature 500-700 DEG C, the time is 5-10min;
(4) particle after expansion molding was cooled to room temperature after 800-950 DEG C of roasting 4-8 minute;
(5) required soft water composite filtering material can be obtained after above-mentioned particle being carried out sterilizing-drying.
Beneficial effect: a kind of soft water composite filtering material provided by the invention and preparation method thereof, for the water quality characteristics of hard water, choose activated carbon granule, medical stone, quartz sand, calcite, the material component such as silicon carbide substitute traditional ion exchange resin, be aided with the synergy of chemical treatment medicament again, joint coordination process is carried out in the process softening process of hard water, there is efficient demineralized water effect, and preparation method is easy, the filtering material particle prepared not easily mould growth, safety performance is high, industrialization degree is high, effectively reduce the cost of process hard water, remarkable in economical benefits.
Embodiment
Embodiment 1:
A kind of soft water composite filtering material, comprises following component according to weighing scale: 15 parts of granulated active carbons, 20 parts of ion exchange resin, 5 parts of medical stones, 10 parts of quartz sand, 5 parts of calcites, 5 parts of silicon carbide, 5-10 part polycarboxylate, 10 parts of Sunmorl N 60Ss, 5 parts of corrosion inhibiting and descaling agents, 10 parts of sequestrants, 15 parts of deionized waters;
Wherein, above-mentioned ion exchange resin is weak acid ion exchange resin, and medical stone, calcite particle diameter are 1 μm; Polycarboxylate is wetting ability polycarboxylate; Corrosion inhibiting and descaling agent is that zinc sulfate, molybdate, Sodium salts humic acids and lignin quality are than the mixture for 3:1:2:2; Sequestrant is aminocarboxylic acids, is specially EDTA.
The preparation method of above-mentioned a kind of soft water composite filtering material, comprises the steps:
(1) medical stone of required weight, calcite high-speed grinder are ground to the particle that particle diameter is 1 μm, mix stand-by with granulated active carbon, quartz sand, silicon carbide and ion exchange resin;
(2) 60 DEG C are heated to while stirring after the polycarboxylate of required weight, Sunmorl N 60S, corrosion inhibiting and descaling agent, sequestrant and deionized water being mixed, add the raw mixture that step (1) is stand-by while hot, continue to stir, be warming up to 80 DEG C, Heat preservation to compound water ratio is 15%, granulation;
(3) above-mentioned wet granular is directly put into shock heating expansion in hot environment, expansion temperature 500 DEG C, the time is 10min;
(4) particle after expansion molding is cooled to room temperature through 800 DEG C of roastings after 8 minutes;
(5) required soft water composite filtering material can be obtained after above-mentioned particle being carried out sterilizing-drying.
Embodiment 2:
A kind of soft water composite filtering material, comprises following component according to weighing scale: 20 parts of granulated active carbons, 30 parts of ion exchange resin, 10 parts of medical stones, 15 parts of quartz sands, 10 parts of calcites, 10 parts of silicon carbide, 10 parts of polycarboxylates, 15 parts of Sunmorl N 60Ss, 10 parts of corrosion inhibiting and descaling agents, 15 parts of sequestrants, 20 parts of deionized waters;
Wherein, above-mentioned ion exchange resin is weak acid ion exchange resin, and medical stone, calcite particle diameter are 5 μm; Polycarboxylate is wetting ability polycarboxylate; Corrosion inhibiting and descaling agent is that zinc sulfate, molybdate, Sodium salts humic acids and lignin quality are than the mixture for 3:1:2:2; Sequestrant is aminocarboxylic acids, is specially DTPA.
The preparation method of above-mentioned a kind of soft water composite filtering material, comprises the steps:
(1) medical stone of required weight, calcite high-speed grinder are ground to the particle that particle diameter is 5 μm, mix stand-by with granulated active carbon, quartz sand, silicon carbide and ion exchange resin;
(2) 70 DEG C are heated to while stirring after the polycarboxylate of required weight, Sunmorl N 60S, corrosion inhibiting and descaling agent, sequestrant and deionized water being mixed, add the raw mixture that step (1) is stand-by while hot, continue to stir, be warming up to 80 DEG C, Heat preservation to compound water ratio is 20%, granulation;
(3) above-mentioned wet granular is directly put into shock heating expansion in hot environment, expansion temperature 700 DEG C, the time is 5min;
(4) particle after expansion molding is cooled to room temperature through 950 DEG C of roastings after 4 minutes;
(5) required soft water composite filtering material can be obtained after above-mentioned particle being carried out sterilizing-drying.
Embodiment 3:
A kind of soft water composite filtering material, comprises following component according to weighing scale: 18 parts of granulated active carbons, 25 parts of ion exchange resin, 8 parts of medical stones, 13 parts of quartz sands, 8 parts of calcites, 8 parts of silicon carbide, 7 parts of polycarboxylates, 13 parts of Sunmorl N 60Ss, 8 parts of corrosion inhibiting and descaling agents, 13 parts of sequestrants, 17 parts of deionized waters;
Wherein, above-mentioned ion exchange resin is weak acid ion exchange resin, and medical stone, calcite particle diameter are 3 μm; Polycarboxylate is wetting ability polycarboxylate; Corrosion inhibiting and descaling agent is that zinc sulfate, molybdate, Sodium salts humic acids and lignin quality are than the mixture for 3:1:2:2; Sequestrant is aminocarboxylic acids, is specially EGTA.
The preparation method of above-mentioned a kind of soft water composite filtering material, comprises the steps:
(1) medical stone of required weight, calcite high-speed grinder are ground to the particle that particle diameter is 3 μm, mix stand-by with granulated active carbon, quartz sand, silicon carbide and ion exchange resin;
(2) 65 DEG C are heated to while stirring after the polycarboxylate of required weight, Sunmorl N 60S, corrosion inhibiting and descaling agent, sequestrant and deionized water being mixed, add the raw mixture that step (1) is stand-by while hot, continue to stir, be warming up to 80 DEG C, Heat preservation to compound water ratio is 18%, granulation;
(3) above-mentioned wet granular is directly put into shock heating expansion in hot environment, expansion temperature 600 DEG C, the time is 8min;
(4) particle after expansion molding is cooled to room temperature through 875 DEG C of roastings after 6 minutes;
(5) required soft water composite filtering material can be obtained after above-mentioned particle being carried out sterilizing-drying.
The soft water composite filtering material using above-described embodiment 1-3 to prepare carries out pilot plant test process to hardness mark-on water, and the total hardness (in CaCO3) of wherein intaking is 1000mg/L; Determining total hardness of water is after treatment: 300-400mg/L, without Detection of pathogenic bacteria, meets drinking water sanitary standard.
Can draw from the above results, a kind of soft water composite filtering material of the present invention has hard water and processes bating effect preferably, water quality indices after process all reaches state-set standard, and the preparation method of a kind of soft water of the present invention composite filtering material is easy, the filtering material particle prepared not easily mould growth, safety performance is high, and industrialization degree is high, effectively reduce the cost of process hard water, remarkable in economical benefits.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.