CN1233787C - Method for producing and using water-preserving agent used in desert - Google Patents
Method for producing and using water-preserving agent used in desert Download PDFInfo
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- CN1233787C CN1233787C CN 02133335 CN02133335A CN1233787C CN 1233787 C CN1233787 C CN 1233787C CN 02133335 CN02133335 CN 02133335 CN 02133335 A CN02133335 A CN 02133335A CN 1233787 C CN1233787 C CN 1233787C
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Abstract
The present invention relates to a desert water-retaining agent which is prepared from inorganic powder materials and coupling agents according to the weight ratio of 100: 0.5 to 2.5, wherein the inorganic powder materials are one or an optional combination of a plurality of calcium carbonate, magnesium carbonate, talcum powder, pottery clay, wollastonite, coal gangue, pulverized coal ashes, diatomite and desulfurizing gypsum, and the coupling agents are one or an optional combination of a plurality of titanate coupling agents, RCA modifying agents, aluminate coupling agents, phosphate coupling agents and silane coupling agents. The desert water-retaining agent can effectively save large quantities of water resources, minimum irrigation water is used for meeting the need of the planting initial stage growth of plants, and large quantities of human power, material resources and financial resources are saved so as to achieve optimal economic effect. Because main raw materials of the desert water-retaining agent can adopt industrial waste residues, such as desulfurizing gypsum generated by flue gas desulfurization in a power plant, pulverized coal ashes and large amounts of waste coal gangue in coal mining process, and waste residues generated by other inorganic salt production, such as an amount of magnesium containing calcium salt generated by producing magnesium salt by dolomite, waste residues, etc., are used as the main raw materials of the desert water-retaining agent, and the desert water-retaining agent has large environmental protection value.
Description
One, technical field
The present invention relates to be applied to the impervious material of desert, soil erosion, be specifically related to water-preserving agent used in desert production and using method.
Two, background technology
In the prior art, CN1161316 " water-absorbing water-retaining agent and production method thereof " discloses by preserve moisture product and production methods through being mixed such as vinylformic acid, ammoniacal liquor, oxychlorination sodium; CN1321723 " multifunctional super water-absorbing water-retaining agent and preparation method " discloses water-holding agent and the preparation method who is made up of vinylformic acid, alkali, linking agent and initiator.All there are defectives such as raw materials cost height in these methods.
Solve the problem of desertificated area afforestation survival rate of plant at present both at home and abroad, mainly adopt High hydrophilous resin.This resin possesses two characteristics: 1, high water absorbing capacity can absorb the water of thousands of times of own wts at short notice; 2, can slowly discharge the moisture that is absorbed.So just can prevent very fast seepage of irrigation water and evaporation, guarantee that plant has suff water to satisfy the needs of plant strain growth at the plantation initial stage, thereby improve the surviving rate of plant.But in use still have a large amount of irrigation water seepages to fall, can only water conservation, and can not economize on water, this is restricted in the large scale application of the arid area of serious water shortage.Simultaneously, High hydrophilous resin is because of problems such as starting material, cost, technology, also fails scale operation at present, so range of application can not effectively enlarge.
China's present desert planting super absorbent resin ester; the main imported materials and items that adopts; thereby the cost height is not suitable for large scale application; particularly China's desertificated area mostly is poor county greatly and can not popularizes use; and the production of domestic super absorbent resin ester still is in the development stage; can't form large-scale production in a short time, also relate to the production cost problem simultaneously.
Three, summary of the invention
The present invention is directed to the weathering mountain region of desert, prone soil, severe water and soil erosion and retaining, water conservation problem and the prior art above shortcomings of areas of serious, a kind of water-preserving agent used in desert production technology and using method are provided.Its technology contents is as follows:
Water-preserving agent used in desert, by inorganic powder material and coupling agent in 100: 0.5-2.5 (weight) ratio is formulated.
Described inorganic powder material is any or an arbitrary combination in lime carbonate, magnesiumcarbonate, talcum powder, potter's clay, wollastonite, coal gangue, grey coal ash, diatomite or the desulfurated plaster; Its specification and requirement: granularity≤200 orders, moisture content≤1%.Described inorganic powder material also can comprise inorganic powder fertilizer.Described coupling agent is titanate coupling agent, RCA properties-correcting agent, aluminate coupling agent, phosphate coupling agent or silane coupling agent any or arbitrary combination.The best proportioning of inorganic powder material and coupling agent is 100: 1.5 (weight).
The production method of described water-preserving agent used in desert for inorganic powder material and coupling agent are added the stirring of high speed reactor, under 100-120 ℃ of condition, is reacted after 10-20 minute, and discharging is promptly packed after screening.
The using method of described water-preserving agent used in desert comprises the following steps:
1) dug tree well by specification;
2) spread agricultural film around the tree well and fix with earth or sand;
3) the tree well bottom is wipeed off and the shop thick water-preserving agent used in desert of 1-2cm (every square metre of about 4-6kg);
4) with a little shop point straw or straw, hay etc. after the water-preserving agent used in desert compacting;
5) planting sapling behind a little earth of shop or the sand on straw pours water;
6) for preventing that moisture evaporation from spreading plastic film for agricultural use on tree well.
The present invention carries out chemical reaction with inorganic powder material and coupling agent and generates a kind of irrigation water seepage that prevents, water saving, water conservation, guarantee the novel water-retaining agent that survival rate of plant increases substantially, solve prior art and can not prevent the irrigation water leakage problems, can save great lot of water resources effectively, it is required to satisfy plant plantation primary growth with minimum irrigation water, saves great amount of manpower and material resources and financial resources and reaches economic optimum.Compared to existing technology, the present invention also has following advantage:
1, nontoxic, tasteless, do not have smell, "dead" pollution, salt tolerant alkali can effectively prevent soil accumulation of salt in the surface soil phenomenon;
2, water conservation is respond well, can effectively prevent the seepage of sealing, saves irrigation water, and can protect vegetation that the adequate moisture supply is arranged, and surviving rate is increased substantially;
3, utilize its water retention characteristic can build easy Irrigation Ditch and water reservoir, it is rapid and simple, cheap, durable in use to construct;
4, do not influence the g and D of plant root;
5, be applicable to all types of desertification soils, easy to use, but not only can be manually but also mechanized construction;
6, expense is cheap, about about 0.5 yuan of plantation one tree seedling expense.
7, production technique of the present invention is simple, and starting material are easily purchased, and has characteristics such as investment is little, benefit height.Can found the factory in the investment of the district of desertificated area, and guarantee to invest then, cost-recovering has immeasurable effect to quickening building up early of China's three Norths shelter-forest project then.
Four, Figure of description
Fig. 1 is a process flow sheet of the present invention.
Five, embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
(1) water-preserving agent used in desert production technology
1. production principle: all inorganic powder materials as: its particle surface has countless hydroxyl (OH-) under the state of nature such as lime carbonate, magnesiumcarbonate, talcum powder, potter's clay, wollastonite, coal gangue, gypsum, therefore they all are hydrophilic substances, particle surface can be by water infiltration, so do not possess the function of water leakage.In order to make this class material become hydrophobic substance, we select coupling agent (tensio-active agent) for use, it is carried out modification handles, because an end of coupling agent molecule is that an alkoxyl group is because of being hydrophilic group, the other end is that the lipophilic group of a long carbochain is a hydrophobic group, the centre is connected as titanate coupling agent by a metal ion, RCA properties-correcting agent, aluminate coupling agent, and it is middle by silicon, the hydrophilic group of the silane coupling agent that phosphorus atom connects and the hydroxyl on phosphate coupling agent inorganic powder material surface in specific reactor and coupling agent takes place to be good for to close to react and makes inorganic material surface connect hydrophobic grouping, because the not infiltration phenomenon between hydrophobic grouping and the water molecules, changed the entry angle of water, under the water molecules surface tension effects and can't enter the particle gap and soak into particle surface, make inorganic materials possess the antiseepage function, become a kind of retaining, the impervious material of water conservation.
Specific embodiment:
1) chooses 100 parts in lime carbonate, magnesiumcarbonate mixture, 2 parts of titanate coupling agents;
2) choose 100 parts in potter's clay, diatomite mixture, 1 part of silane coupling agent;
3) choose 100 parts of grey coal ash or coal gangues, 1 part of RCA properties-correcting agent;
4) choose 100 parts of desulfurated plasters, 1.5 parts of titanate coupling agents.
Above-mentioned inorganic powder material, specification and requirement: granularity≤200 orders, moisture content≤1%.
Production method:
1) major equipment: high speed reactor air compressor
Sieve apparatus inclined lift
The storage bunker wrapping machine
2) processing condition: 100 ℃-120 ℃ of temperature of reaction, 15 minutes reaction times
3) technical process (see figure 1).
(2) water-preserving agent used in desert using method
1. dug tree well by specification;
2. spread agricultural film around the tree well and fix with earth or sand, this measure be prevent irrigation water from around seepage;
3. the tree well bottom is wipeed off and the shop thick water-preserving agent used in desert of 1-2cm (every square metre of about 4-6kg);
4. with a little shop point straw or straw, hay etc. after the water-preserving agent used in desert compacting;
5. planting sapling behind a little earth of shop or the sand on straw pours water;
6. for preventing that moisture evaporation from spreading plastic film for agricultural use on tree well;
7. other purposes: build simple and easy water reservoir, Irrigation Ditch, transformation salinity ground etc.
The water-preserving agent used in desert that the present invention produces, cheap, easy to use, have retaining, water conservation, prevent the irrigation water seepage, many advantages such as conserve water resource, can be applicable rapidly in desertification and arid area.Because the main raw material(s) of this invention can adopt industrial residue, as desulfurated plaster, flyash, a large amount of coal gangues of coal mining depleted that produce behind the power plant flue gas desulphurization, the waste residue that other production of inorganic produces, contain the main raw material that tachydrite, waste residue etc. all can be used as this invention in a large number as what produce with rhombspar that magnesium salts produced, so the present invention has the very big value of environmental protection.
Claims (5)
1, water-preserving agent used in desert is characterized in that: press 100 by inorganic powder material and coupling agent: the part by weight of 0.5-2.5 is formulated; Described inorganic powder material is any or an arbitrary combination in lime carbonate, magnesiumcarbonate, talcum powder, potter's clay, wollastonite, coal gangue, grey coal ash, diatomite or the desulfurated plaster; Its specification and requirement: granularity≤200 orders, moisture content≤1%.
2, the described water-preserving agent used in desert of root a tree name claim 1 is characterized in that: described coupling agent is titanate coupling agent, aluminate coupling agent, phosphate coupling agent or silane coupling agent any or arbitrary combination.
3, root a tree name claim 1 or 2 described water-preserving agent used in desert, it is characterized in that: the weight proportion of described inorganic powder material and coupling agent is 100: 1.5.
4, the production method of the described water-preserving agent used in desert of root a tree name claim 3 is characterized in that:
Inorganic powder material and coupling agent are added the stirring of high speed reactor, under 100-120 ℃ of condition, react after 10-20 minute, discharging is promptly packed after screening.
5, the using method of the described water-preserving agent used in desert of root a tree name claim 3 is characterized in that:
1) dug tree well by specification;
2) spread agricultural film around the tree well and fix with earth or sand;
3) the tree well bottom is wipeed by every square metre of 4-6kg off the thick water-preserving agent used in desert of shop 1-2cm;
4) with a little shop straw, straw or hay after the water-preserving agent used in desert compacting;
5) planting sapling behind a little earth of shop or the sand on straw pours water;
6) for preventing that moisture evaporation from spreading plastic film for agricultural use on tree well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133335 CN1233787C (en) | 2002-06-22 | 2002-06-22 | Method for producing and using water-preserving agent used in desert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133335 CN1233787C (en) | 2002-06-22 | 2002-06-22 | Method for producing and using water-preserving agent used in desert |
Publications (2)
| Publication Number | Publication Date |
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| CN1465650A CN1465650A (en) | 2004-01-07 |
| CN1233787C true CN1233787C (en) | 2005-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02133335 Expired - Fee Related CN1233787C (en) | 2002-06-22 | 2002-06-22 | Method for producing and using water-preserving agent used in desert |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093611B (en) * | 2010-12-28 | 2012-07-25 | 济南高新区工业废弃物利用研发中心 | Dihydrate desulphurization gypsum rubber reinforcing agent |
| CN103563588B (en) * | 2012-07-25 | 2015-02-25 | 北京神农玺源有机农业发展有限公司 | Desert greening biological closed water anti-permeability supported planting method |
| CN103380689B (en) * | 2013-06-28 | 2015-03-04 | 孙爱军 | Seedling raising method for leaflet type thunbergii |
| CN103435425B (en) * | 2013-08-29 | 2015-05-13 | 王中臣 | Hierarchical slow release multielement fertilizer and manufacturing process thereof |
| CN103704002B (en) * | 2014-01-02 | 2015-07-15 | 西北师范大学 | Method for planting peonies in barren land or region |
| CN106433678A (en) * | 2016-09-28 | 2017-02-22 | 曾敦华 | Composite desert water-retaining agent and preparation and using methods |
| CN107675493A (en) * | 2017-09-19 | 2018-02-09 | 常州市卜诺赛机电技术有限公司 | A kind of preparation method of water guide coated fiber |
| CN108329010B (en) * | 2018-02-01 | 2021-02-26 | 东北师范大学 | Hollow porous spherical moisture regulator suitable for grassland |
| CN111264365B (en) * | 2020-03-13 | 2021-10-12 | 宁夏多源鑫科技有限公司 | Large-scale arbor vertical irrigator and distribution method thereof |
| CN112048311B (en) * | 2020-09-30 | 2021-11-16 | 曾敦华 | Salt return blocking agent for desert and saline-alkali soil and preparation method and application thereof |
| CN113355103A (en) * | 2021-06-28 | 2021-09-07 | 内蒙古农业大学 | Porous material for desert afforestation water retention and preparation method thereof |
| CN114606010A (en) * | 2022-03-25 | 2022-06-10 | 周天飞 | Soil water-retaining agent for arid area and preparation method thereof |
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