CN111153751A - Mineral-containing salt-tolerant water-retaining agent and preparation method thereof - Google Patents
Mineral-containing salt-tolerant water-retaining agent and preparation method thereof Download PDFInfo
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- CN111153751A CN111153751A CN202010016521.1A CN202010016521A CN111153751A CN 111153751 A CN111153751 A CN 111153751A CN 202010016521 A CN202010016521 A CN 202010016521A CN 111153751 A CN111153751 A CN 111153751A
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- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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Abstract
The invention discloses a salt-tolerant water-retaining agent containing minerals, which comprises the following components in parts by weight: 2-4 parts of polyacrylamide, 3-8 parts of sodium polyacrylate, 4-7 parts of potassium polyacrylate, 3.5-6 parts of ammonium polyacrylate, 3-8 parts of volcanic ash, 3-10 parts of clay, 2-6 parts of limestone, 1.5-6 parts of rare earth, 4-8 parts of plant straw, 6-12 parts of wood chip, 1.2-1.5 parts of lignin, 1-4 parts of resin adhesive, 1.2-4.3 parts of urea, 0.8-1.8 parts of manganese sulfate, 0.6-1.5 parts of monopotassium phosphate, 1.7-3 parts of ferric sulfate and 1.1-3 parts of zinc sulfate. The water-retaining agent disclosed by the invention is rich in more mineral substances, can be prepared into different concentrations, can be used for neutralizing different alkali saline lands, can be used for fully reserving water in the alkali saline lands, is simple in integral processing method, and is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a salt-tolerant water-retaining agent containing minerals and a preparation method thereof.
Background
The water-retaining agent is high water-absorbing resin, which is a functional polymer material with extremely strong water-absorbing capacity. It is non-toxic and harmless, and can repeatedly release water and absorb water, so that it can be compared with "miniature reservoir" by people in agriculture. Meanwhile, the fertilizer can absorb fertilizer and pesticide and slowly release the fertilizer and the pesticide, so that the fertilizer efficiency and the pesticide effect are improved. The super absorbent resin is widely used in agriculture, forestry, gardening and building materials; can be widely applied to petrochemical industry, cables, paper making, sensors, fire extinguishing appliances, fiber products, cosmetics, food preservation, expansion toys and the like in the industrial aspect.
The water-retaining agent adopted for carrying out original soil greening on alkaline land in the market at present is rich in less minerals, the original soil greening method is not scientific enough, the efficiency is slow, and the problems are solved.
Disclosure of Invention
The invention aims to provide a mineral-containing salt-resistant water-retaining agent and a preparation method thereof, which solve the problems in the background art.
In order to solve the above problems, the present invention provides the following technical solutions: a salt-tolerant water-retaining agent containing minerals comprises the following components in parts by weight: 2-4 parts of polyacrylamide, 3-8 parts of sodium polyacrylate, 4-7 parts of potassium polyacrylate, 3.5-6 parts of ammonium polyacrylate, 3-8 parts of volcanic ash, 3-10 parts of clay, 2-6 parts of limestone, 1.5-6 parts of rare earth, 4-8 parts of plant straw, 6-12 parts of wood chip, 1.2-1.5 parts of lignin, 1-4 parts of resin adhesive, 1.2-4.3 parts of urea, 0.8-1.8 parts of manganese sulfate, 0.6-1.5 parts of monopotassium phosphate, 1.7-3 parts of ferric sulfate and 1.1-3 parts of zinc sulfate.
In a further preferred embodiment of the present invention, the water retaining agent comprises the following components in parts by weight: 4 parts of polyacrylamide, 8 parts of sodium polyacrylate, 7 parts of potassium polyacrylate, 6 parts of ammonium polyacrylate, 8 parts of volcanic ash, 10 parts of clay, 6 parts of limestone, 6 parts of rare earth, 8 parts of plant straw, 12 parts of wood chip, 1.5 parts of lignin, 4 parts of resin adhesive, 4.3 parts of urea, 1.8 parts of manganese sulfate, 1.5 parts of monopotassium phosphate, 3 parts of ferric sulfate and 3 parts of zinc sulfate.
In a further preferred embodiment of the present invention, the water retaining agent comprises the following components in parts by weight: 2 parts of polyacrylamide, 3 parts of sodium polyacrylate, 4 parts of potassium polyacrylate, 3.5 parts of ammonium polyacrylate, 3 parts of volcanic ash, 3 parts of clay, 2 parts of limestone, 1.5 parts of rare earth, 4 parts of plant straws, 6 parts of sawdust, 1.2 parts of lignin, 1 part of resin adhesive, 1.2 parts of urea, 0.8 part of manganese sulfate, 0.6 part of monopotassium phosphate, 1.7 parts of ferric sulfate and 1.1 parts of zinc sulfate.
In a further preferred embodiment of the present invention, the process for preparing the water-retaining agent comprises the following steps:
s1, preparing materials, namely weighing the raw materials in parts by weight;
s2, drying and crushing the raw materials of volcanic ash, clay, limestone and rare earth, firstly drying, then classifying the raw materials and sending the raw materials into a crusher in batches, and crushing the raw materials by using a 150-mesh and 250-mesh screen;
s3, preparing 80-90% ethanol as a solvent, pouring the ethanol into the solvent, mixing the ethanol with polyacrylamide, sodium polyacrylate, potassium polyacrylate and ammonium polyacrylate, fully soaking the mixture for 1-2 hours, mixing and stirring the mixture, controlling the temperature to 52 ℃ and the time to be within 2 hours;
s4, adding the plant straws, the wood chips, the lignin, the resin adhesive and the urea obtained in the step 1 into the step S2, mixing, and then sterilizing, wherein the temperature is controlled to be 75-90 ℃ and lasts for 5-12 minutes;
s5, pouring the mixed solution of manganese sulfate, monopotassium phosphate, ferric sulfate and zinc sulfate into the step S3, diluting to the concentration of 67-78% by weight, heating at high temperature, controlling the temperature to be 110 ℃, and recovering the ethanol solvent in the solution to obtain the product.
In a more preferred embodiment of the present invention, in step S2, the dried and pulverized crumb diameter is controlled to be 0.022 to 0.032 mm.
In a further preferred embodiment of the present invention, in step S3, after the polyacrylamide, the sodium polyacrylate, the potassium polyacrylate and the ammonium polyacrylate are mixed, the PH value is controlled to be 6.5 to 6.8.
In a further preferred embodiment of the present invention, in step S3, the ethanol solvent is heated to a temperature of 48 ℃.
As a further preferable mode of the present invention, in step S5, stirring and mixing are required after pouring, and the stirring speed is controlled at 180r/min for 15 min.
Compared with the prior art, the invention has the following beneficial effects:
the water-retaining agent disclosed by the invention is rich in more mineral substances, can be prepared into different concentrations, can be used for neutralizing different alkali saline lands, can be used for fully reserving water in the alkali saline lands, is simple in integral processing method, and is worthy of popularization.
Drawings
FIG. 1 is a simplified schematic diagram of the overall process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a salt-tolerant water-retaining agent containing minerals comprises the following components in parts by weight: 2-4 parts of polyacrylamide, 3-8 parts of sodium polyacrylate, 4-7 parts of potassium polyacrylate, 3.5-6 parts of ammonium polyacrylate, 3-8 parts of volcanic ash, 3-10 parts of clay, 2-6 parts of limestone, 1.5-6 parts of rare earth, 4-8 parts of plant straw, 6-12 parts of wood chip, 1.2-1.5 parts of lignin, 1-4 parts of resin adhesive, 1.2-4.3 parts of urea, 0.8-1.8 parts of manganese sulfate, 0.6-1.5 parts of monopotassium phosphate, 1.7-3 parts of ferric sulfate and 1.1-3 parts of zinc sulfate.
The water-retaining agent comprises the following components in parts by weight: 4 parts of polyacrylamide, 8 parts of sodium polyacrylate, 7 parts of potassium polyacrylate, 6 parts of ammonium polyacrylate, 8 parts of volcanic ash, 10 parts of clay, 6 parts of limestone, 6 parts of rare earth, 8 parts of plant straw, 12 parts of wood chip, 1.5 parts of lignin, 4 parts of resin adhesive, 4.3 parts of urea, 1.8 parts of manganese sulfate, 1.5 parts of monopotassium phosphate, 3 parts of ferric sulfate and 3 parts of zinc sulfate.
The water-retaining agent comprises the following components in parts by weight: 2 parts of polyacrylamide, 3 parts of sodium polyacrylate, 4 parts of potassium polyacrylate, 3.5 parts of ammonium polyacrylate, 3 parts of volcanic ash, 3 parts of clay, 2 parts of limestone, 1.5 parts of rare earth, 4 parts of plant straws, 6 parts of sawdust, 1.2 parts of lignin, 1 part of resin adhesive, 1.2 parts of urea, 0.8 part of manganese sulfate, 0.6 part of monopotassium phosphate, 1.7 parts of ferric sulfate and 1.1 parts of zinc sulfate.
The preparation process of the water-retaining agent comprises the following steps:
s1, preparing materials, namely weighing the raw materials in parts by weight;
s2, drying and crushing the raw materials of volcanic ash, clay, limestone and rare earth, firstly drying, then classifying the raw materials and sending the raw materials into a crusher in batches, and crushing the raw materials by using a 150-mesh and 250-mesh screen;
s3, preparing 80-90% ethanol as a solvent, pouring the ethanol into the solvent, mixing the ethanol with polyacrylamide, sodium polyacrylate, potassium polyacrylate and ammonium polyacrylate, fully soaking the mixture for 1-2 hours, mixing and stirring the mixture, controlling the temperature to 52 ℃ and the time to be within 2 hours;
s4, adding the plant straws, the wood chips, the lignin, the resin adhesive and the urea obtained in the step 1 into the step S2, mixing, and then sterilizing, wherein the temperature is controlled to be 75-90 ℃ and lasts for 5-12 minutes;
s5, pouring the mixed solution of manganese sulfate, monopotassium phosphate, ferric sulfate and zinc sulfate into the step S3, diluting to the concentration of 67-78% by weight, heating at high temperature, controlling the temperature to be 110 ℃, and recovering the ethanol solvent in the solution to obtain the product.
In step S2, the diameter of the dried and pulverized chips is controlled to be 0.022-0.032 mm.
In step S3, after mixing polyacrylamide, sodium polyacrylate, potassium polyacrylate, and ammonium polyacrylate, the PH value is controlled to be 6.5-6.8.
In step S3, the ethanol solvent needs to be heated, and the temperature is controlled at 48 ℃.
In step S5, stirring and mixing are required after pouring, and the stirring speed is controlled at 180r/min for 15 min.
Example 1
2-4g of polyacrylamide, 3-8g of sodium polyacrylate, 4-7g of potassium polyacrylate, 3.5-6g of ammonium polyacrylate, 3-8g of volcanic ash, 3-10g of clay, 2-6 g of limestone, 1.5-6g of rare earth, 4-8g of plant straw, 6-12g of wood chip, 1.2-1.5g of lignin, 1-4g of resin adhesive, 1.2-4.3g of urea, 0.8-1.8g of manganese sulfate, 0.6-1.5g of monopotassium phosphate, 1.7-3g of ferric sulfate and 1.1-3g of zinc sulfate.
Firstly, preparing materials, namely weighing the raw materials according to the weight g;
drying and crushing the raw materials of volcanic ash, clay, limestone and rare earth, firstly drying, then classifying the raw materials and sending the raw materials into a crusher in batches, and crushing the raw materials by using a 150-mesh and 250-mesh screen;
then preparing ethanol with the concentration of 80-90% as a solvent, pouring the ethanol into the solvent, mixing the ethanol with polyacrylamide, sodium polyacrylate, potassium polyacrylate and ammonium polyacrylate, fully soaking the mixture for 1-2 hours, mixing and stirring the mixture, and controlling the temperature to 52 ℃ and the time to be within 2 hours;
adding the plant straws, the wood chips, the lignin, the resin adhesive and the urea in the step 1 into the step S2, mixing, and then sterilizing, wherein the temperature is controlled at 75-90 ℃ and lasts for 5-12 minutes;
and finally, pouring the mixed solution of manganese sulfate, monopotassium phosphate, ferric sulfate and zinc sulfate into the step S3, diluting to the concentration of 67-78% by weight, heating at high temperature, controlling the temperature to be 110 ℃, and recovering the ethanol solvent in the solution to obtain the product.
The water-retaining agent prepared by the method is suitable for severe saline-alkali soil.
Example 2
The water-retaining agent comprises the following components in parts by weight: 2g of polyacrylamide, 3g of sodium polyacrylate, 4g of potassium polyacrylate, 3.5g of ammonium polyacrylate, 3g of volcanic ash, 3g of clay, 2g of limestone, 1.5g of rare earth, 4g of plant straw, 6g of sawdust, 1.2g of lignin, 1g of resin adhesive, 1.2g of urea, 0.8g of manganese sulfate, 0.6g of monopotassium phosphate, 1.7g of ferric sulfate and 1.1g of zinc sulfate.
Firstly, preparing materials, namely weighing the raw materials in parts by weight;
drying and crushing the raw materials of volcanic ash, clay, limestone and rare earth, firstly drying, then classifying the raw materials and sending the raw materials into a crusher in batches, and crushing the raw materials by using a 150-mesh and 250-mesh screen;
then preparing ethanol with the concentration of 80-90% as a solvent, pouring the ethanol into the solvent, mixing the ethanol with polyacrylamide, sodium polyacrylate, potassium polyacrylate and ammonium polyacrylate, fully soaking the mixture for 1-2 hours, mixing and stirring the mixture, and controlling the temperature to 52 ℃ and the time to be within 2 hours;
adding the plant straws, the wood chips, the lignin, the resin adhesive and the urea in the step 1 into the step S2, mixing, and then sterilizing, wherein the temperature is controlled at 75-90 ℃ and lasts for 5-12 minutes;
and finally, pouring the mixed solution of manganese sulfate, monopotassium phosphate, ferric sulfate and zinc sulfate into the step S3, diluting to the concentration of 67-78% by weight, heating at high temperature, controlling the temperature to be 110 ℃, and recovering the ethanol solvent in the solution to obtain the product.
The water-retaining agent prepared by the method is suitable for mild saline-alkali soil.
In conclusion, the water-retaining agent disclosed by the invention is rich in more minerals, can be prepared into different concentrations, can be used for neutralizing different alkali saline lands, can fully retain water in the alkali saline lands, is simple in integral processing method, and is worthy of popularization.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A salt-tolerant water-retaining agent containing minerals is characterized in that: the water-retaining agent comprises the following components in parts by weight: 2-4 parts of polyacrylamide, 3-8 parts of sodium polyacrylate, 4-7 parts of potassium polyacrylate, 3.5-6 parts of ammonium polyacrylate, 3-8 parts of volcanic ash, 3-10 parts of clay, 2-6 parts of limestone, 1.5-6 parts of rare earth, 4-8 parts of plant straw, 6-12 parts of wood chip, 1.2-1.5 parts of lignin, 1-4 parts of resin adhesive, 1.2-4.3 parts of urea, 0.8-1.8 parts of manganese sulfate, 0.6-1.5 parts of monopotassium phosphate, 1.7-3 parts of ferric sulfate and 1.1-3 parts of zinc sulfate.
2. The mineral-containing salt-tolerant water-retaining agent according to claim 1, wherein the water-retaining agent comprises the following components in parts by weight: 4 parts of polyacrylamide, 8 parts of sodium polyacrylate, 7 parts of potassium polyacrylate, 6 parts of ammonium polyacrylate, 8 parts of volcanic ash, 10 parts of clay, 6 parts of limestone, 6 parts of rare earth, 8 parts of plant straw, 12 parts of wood chip, 1.5 parts of lignin, 4 parts of resin adhesive, 4.3 parts of urea, 1.8 parts of manganese sulfate, 1.5 parts of monopotassium phosphate, 3 parts of ferric sulfate and 3 parts of zinc sulfate.
3. The mineral-containing salt-tolerant water-retaining agent according to claim 1, wherein the water-retaining agent comprises the following components in parts by weight: 2 parts of polyacrylamide, 3 parts of sodium polyacrylate, 4 parts of potassium polyacrylate, 3.5 parts of ammonium polyacrylate, 3 parts of volcanic ash, 3 parts of clay, 2 parts of limestone, 1.5 parts of rare earth, 4 parts of plant straws, 6 parts of sawdust, 1.2 parts of lignin, 1 part of resin adhesive, 1.2 parts of urea, 0.8 part of manganese sulfate, 0.6 part of monopotassium phosphate, 1.7 parts of ferric sulfate and 1.1 parts of zinc sulfate.
4. The preparation method of the mineral-containing salt-tolerant water-retaining agent as claimed in claim 1, wherein the preparation process of the water-retaining agent comprises the following steps:
s1, preparing materials, namely weighing the raw materials in parts by weight;
s2, drying and crushing the raw materials of volcanic ash, clay, limestone and rare earth, firstly drying, then classifying the raw materials and sending the raw materials into a crusher in batches, and crushing the raw materials by using a 150-mesh and 250-mesh screen;
s3, preparing 80-90% ethanol as a solvent, pouring the ethanol into the solvent, mixing the ethanol with polyacrylamide, sodium polyacrylate, potassium polyacrylate and ammonium polyacrylate, fully soaking the mixture for 1-2 hours, mixing and stirring the mixture, controlling the temperature to 52 ℃ and the time to be within 2 hours;
s4, adding the plant straws, the wood chips, the lignin, the resin adhesive and the urea obtained in the step 1 into the step S2, mixing, and then sterilizing, wherein the temperature is controlled to be 75-90 ℃ and lasts for 5-12 minutes;
s5, pouring the mixed solution of manganese sulfate, monopotassium phosphate, ferric sulfate and zinc sulfate into the step S3, diluting to the concentration of 67-78% by weight, heating at high temperature, controlling the temperature to be 110 ℃, and recovering the ethanol solvent in the solution to obtain the product.
5. The method as claimed in claim 4, wherein the diameter of the dried and pulverized crumbs is controlled between 0.022 mm and 0.032mm in step S2.
6. The method as claimed in claim 4, wherein in step S3, the pH of the mixture of polyacrylamide, sodium polyacrylate, potassium polyacrylate and ammonium polyacrylate is controlled to 6.5-6.8.
7. The method as claimed in claim 4, wherein the ethanol solvent is heated at 48 ℃ in step S3.
8. The method for preparing the mineral-containing salt-tolerant water-retaining agent as claimed in claim 4, wherein in step S5, stirring and mixing are required after pouring, and the stirring speed is controlled at 180r/min for 15 min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112352493A (en) * | 2020-10-24 | 2021-02-12 | 湖南高尔园林绿化工程有限公司 | Sponge urban ecological moisturizing system and application thereof in urban engineering |
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2020
- 2020-01-08 CN CN202010016521.1A patent/CN111153751A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112352493A (en) * | 2020-10-24 | 2021-02-12 | 湖南高尔园林绿化工程有限公司 | Sponge urban ecological moisturizing system and application thereof in urban engineering |
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Application publication date: 20200515 |
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| WW01 | Invention patent application withdrawn after publication |