CN106040320B - A kind of high-effect soft water salt and preparation method thereof - Google Patents

A kind of high-effect soft water salt and preparation method thereof Download PDF

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CN106040320B
CN106040320B CN201610561118.0A CN201610561118A CN106040320B CN 106040320 B CN106040320 B CN 106040320B CN 201610561118 A CN201610561118 A CN 201610561118A CN 106040320 B CN106040320 B CN 106040320B
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salt
soft water
ball
preparation
powder
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CN106040320A (en
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陈虎
刘娟
徐培
李娜
李伟
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China Salt Jintan Co Ltd
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China Salt Jintan Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
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Abstract

The invention belongs to ion exchange resin regeneration research field, more particularly to a kind of high-effect soft water salt and preparation method thereof.Abrading-ball and sodium chloride are added in ball grinder first, add abundant ball milling after Synergistic additives, coagulator and binder, obtains powder salt;Prepared powder salt is poured into comminutor again, and sprays into distilled water, spherical granules are obtained after granulation and dries, i.e., high-effect soft water salt particle.Soft water salt particle hardness is strong, is not easy to put up a bridge, at sticking together, and reduces the dissolving loss of salt, prevents the water softening device fouling caused by hard object, booty and sediment, extend the service life of equipment;And the raising of water-softening power can extend resin life.

Description

A kind of high-effect soft water salt and preparation method thereof
Technical field
The invention belongs to ion exchange resin regeneration research field, more particularly to a kind of high-effect soft water salt and its preparation side Method.
Background technology
As the improvement of people's living standards, the requirement to domestic water is higher and higher, occur in the market various Water softening device meet the needs of people.In water softening device for water process method it is main, it is most advanced and it is optimum be ion Switching technology.After pending raw water is by resin, the objectionable impurities ion (predominantly calcium Ca, magnesium Mg ions) in water can be inhaled It invests in resin, reaches purpose of purifying the water quality.With the increase of water process amount, the foreign ion of absorption is more and more, resin Adsorption capacity can continuously decrease, form a kind of failure state, and want Scavenger resin adsorb foreign ion, it is necessary to sodium from Son cements out the foreign ion of resin adsorption by ion-exchange method, to restore the adsorption energy of ion exchange resin Power, this process are also ion exchange resin regeneration.
Soft water salt is a kind of product salt that can efficiently go hardness (calcium and magnesium ion and some other scale impurity) in water removal, Regeneration reducing resin keeps water quality cleaner, limpid, long-term to keep that feedwater piping is unobstructed, Non-scale, without any residual after use Object is higher than any regenerative agent under comparable conditions without any smell, and the water softening device for being suitable for various models uses.
But during soft water salt is soaked in salt box, phenomena such as being easy to happen loose disintegration, blocks salt box water outlet, shadow Regeneration of ion-exchange resin process is rung, the normal operation of water softening device is directly affected, water softening device can be caused to damage when more serious, Unnecessary loss is brought, while salt waste is larger.Therefore, soft water carbonate hardness is improved, reduces rate of dissolution, accelerate removal gold Belong to the inexorable trend that the technical improvement methods such as ion velocity become the development of soft water salt.
Invention content
Technical problem solved by the invention is:During soft water salt is soaked in salt box, it is easy to happen loose disintegration Phenomena such as.In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of high-effect soft water salt is provided, component includes sodium chloride, Synergistic additives, coagulator and binder.
The present invention also provides a kind of preparation methods of above-mentioned high-effect soft water salt, specially:
(1) abrading-ball and sodium chloride are added in ball grinder, are added after Synergistic additives, coagulator and binder fully Ball milling obtains powder salt,
Wherein, the mass ratio of abrading-ball and sodium chloride is 1:1~4:1,
Mass ratio between Synergistic additives, coagulator, binder is 1:3:2~1:6:5,
Ball-milling Time is 1~2h, the powder salt grain size obtained after ball milling at 200 μm hereinafter,
Wherein, coagulator is the mixed of one or more of EDETATE DISODIUM, distannous citrate, curdlan Object is closed,
Coagulator is used to stablize the internal structure of chlorination sodium molecule, reduces its mobility, makes powder salt stable structure, be added to Ball intensity,
Binder be carragheen, food-grade starches binder, gelatin, one or both of food grade silicone binder with On mixture,
To make powder salt, preferably tight bond, enhancing powder salt adhesion strength keep it more preferable to binder in granulation process Ground caking balling-up,
Synergistic additives are metal-organic complex or organic and inorganic polymer, specially bodied ferric sulfate, polyaluminium The mixture of one or more of aluminium, chitosan, sodium humate;
(2) powder salt prepared in a part of step (1) is poured into the comminutor under working condition, then sprays into a part Distilled water repeats the operation 2~5 times until all powder salts are introduced into comminutor, obtains spherical granules and dry, obtain efficiently Energy soft water salt particle,
Wherein, comminutor is granulating disc, and rotating speed is the uniform rotation of 20~50Hz,
The distillation water inventory of penetrating is 3%~10% with the mass ratio of powder salt totality,
The grain size of the obtained spherical granules of control is 2~3cm,
Drying temperature is 80 DEG C.
The beneficial effects of the present invention are:The present invention in sodium chloride by being added Synergistic additives, coagulator, bonding Agent makes grain size reach 200 μm hereinafter, being granulated using granulating disc, the spherical granules of gained through ball mill ball milling The purity of salt is up to 99.5% in soft water salt, and particle diameter distribution is uniform, surface is smooth, anatomic shape is consistent, hardness is strong, does not take Bridge, not at sticking together, reduce salt dissolving loss, prevent the water softening device fouling caused by hard object, booty and sediment, extension to set Standby service life;
Soft water quality is good, can accelerate the rate for removing metal ion, and the ability for removing metal ion is far above general soft water Salt double can remove the impurity in water removal, and also more common soft water salt is higher by about 2 times to water-softening power, can extend resin life, improves Soft water quality and efficiency.
Description of the drawings
Fig. 1 is soft water salt particle obtained in the embodiment of the present invention 1, embodiment 2, embodiment 3, each to choose 50 progress The column of pressure test experiment averaging of income value compares figure (common soft water salt Stress testing loss is 68.7kgf).
Fig. 2 is soft water salt particle obtained in the embodiment of the present invention 1, embodiment 2, embodiment 3 compared to common soft water Salt, soft water salt proportion of goods damageds column when applied to small-sized water softener compare figure.
Specific implementation mode
Embodiment 1
(1) 500 grams of abrading-balls and 500 grams of sodium chloride are added in ball grinder, it is each adds bodied ferric sulfate, chitosan After 0.5 gram, 1 gram of coagulator curdlan and binder gelatin and each 1 gram of carragheen after abundant ball milling 1h, powder salt is obtained;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 30Hz, then sprays into one The distilled water that 50 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 91.2kgf, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, experimental result is as shown in Fig. 2, the common soft water salt proportion of goods damageds are 100%, the soft water salt proportion of goods damageds obtained by the present embodiment are that 81% (" proportion of goods damageds " here refer to common soft water under the same terms The dosage of salt is a hundred percent, and the soft water salt dosage of the present embodiment only needs 81 percent, similarly hereinafter).
Embodiment 2
(1) 500 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add aluminium polychloride and sodium humate After 5 grams of each 1 gram, 2 grams of coagulator distannous citrate and binder food-grade starches after abundant ball milling 1.5h, powder salt is obtained;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 40Hz, then sprays into one The distilled water that 60 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 94.8kgf, non-breakable, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, experimental result is as shown in Fig. 2, the common soft water salt proportion of goods damageds are 100%, the soft water salt proportion of goods damageds obtained by the present embodiment are 87%.
Embodiment 3
(1) 750 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add polymer alumina, polyaluminum sulfate Iron, chitosan be 0.5 gram each, fully ball milling 2h after 6 grams of coagulator EDETATE DISODIUM and binder carragheen and each 2.5 grams of silica gel Afterwards, powder salt is obtained;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 50Hz, then sprays into one The distilled water that 70 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 102.1kgf, it is difficult to broken, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, experimental result is as shown in Fig. 2, the common soft water salt proportion of goods damageds are 100%, the soft water salt proportion of goods damageds obtained by the present embodiment are 78%.
Comparative example 1
Binder is not added, remaining operation is the same as embodiment 3:
(1) 750 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add polymer alumina, polyaluminum sulfate Iron, chitosan be 0.5 gram each, after 6 grams of coagulator EDETATE DISODIUM after fully ball milling 2h, obtains powder salt;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 50Hz, then sprays into one The distilled water that 70 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 75.6kgf, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, the common soft water salt proportion of goods damageds are 100%, obtained by the present embodiment The soft water salt proportion of goods damageds be 95%.
Comparative example 2
Coagulator is not added, remaining operation is the same as embodiment 3:
(1) 750 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add polymer alumina, polyaluminum sulfate After iron, chitosan each 0.5 gram and binder carragheen and each 2.5 grams of silica gel after fully ball milling 2h, powder salt is obtained;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 50Hz, then sprays into one The distilled water that 70 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 78.2kgf, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, the common soft water salt proportion of goods damageds are 100%, obtained by the present embodiment The soft water salt proportion of goods damageds be 92%.
Comparative example 3
Synergistic additives are not added, remaining operation is the same as embodiment 3:
(1) 750 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add 6 grams of coagulator EDETATE DISODIUM and After binder carragheen and each 2.5 grams of silica gel after abundant ball milling 2h, powder salt is obtained;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 50Hz, then sprays into one The distilled water that 70 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The loss experiment of soft water salt is carried out using small-sized water softener, the common soft water salt proportion of goods damageds are 100%, obtained by the present embodiment The soft water salt proportion of goods damageds be 89%.
Comparative example 4
Using other kinds of binder, remaining operation is the same as embodiment 3:
(1) 750 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add polymer alumina, polyaluminum sulfate Iron, chitosan be 0.5 gram each, after 5 grams of 6 grams of coagulator EDETATE DISODIUM and binder polyvinyl alcohol after fully ball milling 2h, obtains powder Salt;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 50Hz, then sprays into one The distilled water that 70 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 75.8kgf, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, the common soft water salt proportion of goods damageds are 100%, obtained by the present embodiment The soft water salt proportion of goods damageds be 95%.
Comparative example 5
Using other kinds of coagulator, remaining operation is the same as embodiment 3:
(1) 750 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add polymer alumina, polyaluminum sulfate Iron, chitosan be 0.5 gram each, after 6 grams of coagulator calcium sulfate and binder carragheen and each 2.5 grams of silica gel after fully ball milling 2h, obtains Obtain powder salt;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 50Hz, then sprays into one The distilled water that 70 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 78.0kgf, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, the common soft water salt proportion of goods damageds are 100%, obtained by the present embodiment The soft water salt proportion of goods damageds be 92%.
Comparative example 6
Other kinds of coagulator and binder are applied simultaneously, remaining operation is the same as embodiment 3:
(1) 750 grams of abrading-balls and 250 grams of sodium chloride are added in ball grinder, add polymer alumina, polyaluminum sulfate Iron, chitosan be 0.5 gram each, after 5 grams of 6 grams of coagulator calcium sulfate and binder polyvinyl alcohol after fully ball milling 2h, obtains powder salt;
(2) powder salt prepared in a part of step (1) is poured into the granulating disc under rotating speed 50Hz, then sprays into one The distilled water that 70 DEG C of part repeats the operation 5 times until all powder salts are introduced into comminutor, obtains spherical granules and be positioned over It is dried in 80 DEG C of baking ovens, obtains high-effect soft water salt particle.
The hardness applying pressure testing machine of soft water salt particle prepared by the present embodiment is detected crushing force and is 68.0kgf, particle size range is in 2.0~2.8cm.
The loss experiment of soft water salt is carried out using small-sized water softener, the common soft water salt proportion of goods damageds are 100%, obtained by the present embodiment The soft water salt proportion of goods damageds be 99%.

Claims (5)

1. a kind of preparation method of high-effect soft water salt, it is characterised in that:The preparation method is:
(1)Abrading-ball and sodium chloride are added in ball grinder, abundant ball after Synergistic additives, coagulator and binder is added Mill obtains powder salt;
Wherein, the mass ratio between Synergistic additives, coagulator, binder is 1:3:2~1:6:5;
The coagulator is the mixing of one or more of EDETATE DISODIUM, distannous citrate, curdlan Object;
The binder is one or both of carragheen, food-grade starches binder, gelatin, food grade silicone binder Above mixture;
The Synergistic additives are one or more of bodied ferric sulfate, aluminium polychloride, chitosan, sodium humate Mixture;
(2)Powder salt prepared in a part of step (1) is poured into comminutor under to working condition, then sprays into a part of steaming Distilled water repeats the operation 2~5 times until all powder salts are introduced into comminutor, obtains spherical granules and dry, obtain high-effect Soft water salt particle.
2. the preparation method of high-effect soft water salt as described in claim 1, it is characterised in that:Step(1)Described in abrading-ball Mass ratio with sodium chloride is 1:1~4:1.
3. the preparation method of high-effect soft water salt as described in claim 1, it is characterised in that:Step(1)In, Ball-milling Time is 1~2h, the powder salt grain size obtained after ball milling is at 200 μm or less.
4. the preparation method of high-effect soft water salt as described in claim 1, it is characterised in that:Step(1)In, the distillation of penetrating Water inventory and the mass ratio of powder salt totality are 3%~10%.
5. the preparation method of high-effect soft water salt as described in claim 1, it is characterised in that:Step(1)In, obtain spheroidal The grain size of particle is 2~3cm, and drying temperature is 80 DEG C.
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CN110482647A (en) * 2019-08-07 2019-11-22 中盐长江盐化有限公司 A kind of soft water salt and preparation method thereof

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CN1313145A (en) * 2001-04-04 2001-09-19 周方伦 Regenerating agent for sodium or ammonium ionic resin
CN1332036A (en) * 2001-07-09 2002-01-23 周方伦 Formed sodium ion soft water processing resin regenerating agent
CN202315720U (en) * 2011-10-24 2012-07-11 浙江沁园水处理科技有限公司 Special rapidly-dissolved salt for drinking water machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1087876A (en) * 1993-12-18 1994-06-15 吴明 A kind of compound regenerator used in hard water softener
CN1313145A (en) * 2001-04-04 2001-09-19 周方伦 Regenerating agent for sodium or ammonium ionic resin
CN1332036A (en) * 2001-07-09 2002-01-23 周方伦 Formed sodium ion soft water processing resin regenerating agent
CN202315720U (en) * 2011-10-24 2012-07-11 浙江沁园水处理科技有限公司 Special rapidly-dissolved salt for drinking water machine

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