CN112403448A - Multifunctional ecological stone and preparation method and application thereof - Google Patents
Multifunctional ecological stone and preparation method and application thereof Download PDFInfo
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- CN112403448A CN112403448A CN202011278032.XA CN202011278032A CN112403448A CN 112403448 A CN112403448 A CN 112403448A CN 202011278032 A CN202011278032 A CN 202011278032A CN 112403448 A CN112403448 A CN 112403448A
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- 239000004575 stone Substances 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 238000001179 sorption measurement Methods 0.000 claims abstract description 37
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005187 foaming Methods 0.000 claims abstract description 22
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 20
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 19
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 13
- 239000010433 feldspar Substances 0.000 claims abstract description 13
- 229920000573 polyethylene Polymers 0.000 claims abstract description 13
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 13
- 239000010453 quartz Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000661 sodium alginate Substances 0.000 claims abstract description 13
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 13
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 13
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 7
- 239000004927 clay Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 239000004912 1,5-cyclooctadiene Substances 0.000 claims description 3
- 229920002972 Acrylic fiber Polymers 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002978 Vinylon Polymers 0.000 claims description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 abstract description 8
- 230000000050 nutritive effect Effects 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 235000015097 nutrients Nutrition 0.000 description 6
- 238000012851 eutrophication Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000032770 biofilm formation Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
The invention discloses a multifunctional ecological stone and a preparation method and application thereof, relating to the technical field of water treatment; the invention comprises a stone blank and an ecological coating coated on the surface of the stone blank; the stone blank comprises the following components in parts by weight: 10-20 parts of clay, 40-60 parts of porcelain clay, 30-45 parts of kaolin and 10-100 parts of cement; the ecological coating comprises: 20-30 parts of feldspar, 20-35 parts of quartz, 3-10 parts of kaolin and 5-15 parts of ecological reinforced adsorption stones; the ecological reinforced adsorption stone comprises: 10-100 parts of polyvinyl alcohol, 10-100 parts of polyvinyl alcohol-ethylene polymer, 10-100 parts of sodium alginate, 1-100 parts of activated carbon, 1-10 parts of reinforcing fiber, 0.1-10 parts of foaming particles and 1-15 parts of organic adhesive; the invention can adsorb nutritive salt, organic matters and partial heavy metal ions in water, has landscape practicability, and has the advantages of simple preparation, low price and convenient use.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a multifunctional ecological stone and a preparation method and application thereof.
Background
Along with the aggravation of human activities in river and lake watershed, a large amount of nutritive salt enters into water body through various ways, so that the river and lake enter into eutrophication state. The water environment treatment and protection is a very complicated system engineering, except that the eutrophication of the water body is treated on the engineering level, redundant nutrient salts in the water body are removed by using single or multiple technology combinations in the water environment protection, and the eutrophication state of the water body is improved. So that the water bodies such as rivers, lakes and the like gradually evolve from a turbid water state to a clear water state, which is one of the final purposes of water environment treatment.
At present, a plurality of methods for removing redundant nutritive salts and organic matters in water comprise integrated treatment equipment, aeration, biofilm formation and the like. The adsorption material has been greatly developed as a material for removing nutrient salts, particularly nitrogen and phosphorus, of water bodies, and a batch of products such as Phoslock is also developed. However, the adsorbing material needs to be thrown regularly, which not only wastes manpower and material resources, but also has a limited effect in each removal. Therefore, in the process of treatment, the situation of secondary pollution caused by excessive throwing also often occurs.
And because the treatment mode of combining the water quality restoration technology and the water landscape is rather popular in the market at present, the water quality restoration technology gives better experience to surrounding residents in sense while treating the water body. Therefore, the development of the technology in this respect is also one of the prospects for research on water environment treatment, and therefore, a multifunctional ecological stone, a preparation method and an application thereof are urgently needed to solve the problem.
Disclosure of Invention
The invention aims to provide a multifunctional ecological stone which can combine water quality restoration with landscape and has simple manufacture and use and good effect, and a preparation method and application thereof.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional ecological stone comprises a stone blank and an ecological coating coated on the surface of the stone blank; the stone blank comprises the following components in parts by weight: 10-20 parts of clay, 40-60 parts of porcelain clay, 30-45 parts of kaolin and 10-100 parts of cement; the ecological coating comprises the following components in parts by weight: 20-30 parts of feldspar, 20-35 parts of quartz, 3-10 parts of kaolin and 5-15 parts of ecological reinforced adsorption stones; the ecological reinforced adsorption stone comprises the following components in parts by weight: 10-100 parts of polyvinyl alcohol, 10-100 parts of polyvinyl alcohol-ethylene polymer, 10-100 parts of sodium alginate, 1-100 parts of activated carbon, 1-10 parts of reinforcing fiber, 0.1-10 parts of foaming particles and 1-15 parts of organic adhesive.
Preferably, the ecological coating is coated on the surface of the stone blank to a thickness of 5-50 mm.
Preferably, the reinforcing fiber is one or a mixture of more than two of carbon fiber, glass fiber, basalt fiber, aramid fiber, orlon fiber, polyester fiber, nylon fiber, vinylon fiber, polypropylene fiber and polyimide fiber, and the fiber length is 5-20 mm.
Preferably, the foaming particles are one or a mixture of more than two of foaming polypropylene, foaming polystyrene and foaming polyurethane, and the particle size is 0.5-5 mm.
The invention provides another technical scheme that: the preparation method of the multifunctional ecological stone comprises the following specific steps: fully stirring the stone blank raw materials in proportion, uniformly mixing to obtain a premix, and naturally drying for 1-24h for later use; adding polyvinyl alcohol, polyvinyl alcohol-ethylene polymer and sodium alginate into hot water according to parts to dissolve and stir uniformly, adding activated carbon, reinforced fiber, foaming particles and organic adhesive after cooling, and mixing uniformly to obtain ecological reinforced adsorption stones; adding the prepared ecological reinforced adsorption stones into feldspar, quartz and kaolin according to a proportion, and uniformly mixing to prepare an ecological coating; before the stone blank is not completely solidified, brushing and covering an ecological coating on the surface of the stone blank, and naturally drying for 10-20 days.
Preferably, the premix is granulated to a diameter required for landscaping.
Preferably, the weight ratio of the hot water to the ecological reinforced adsorption stone raw material is 1:1 to 1: 10.
Preferably, the temperature of the hot water is 85 ℃.
The invention provides a further technical scheme that: the application of multifunctional ecological stone is to place the ecological stone in sewage for purifying water.
Preferably, after ecological stones are added into the sewage, the reduction of ammonia nitrogen, phosphate and COD values in the sewage is measured.
Compared with the prior art, the invention has the beneficial effects that:
1. the multifunctional ecological stone provides a multifunctional novel efficient form for adsorbing nutrient salt ions and organic matters, can adsorb nutrient salt, organic matters and partial heavy metal ions in a water body, has landscape practicability, and can be adjusted according to water body conditions and use requirements.
2. The multifunctional ecological stone has the advantages of simple preparation method steps, easily obtained preparation materials, low price and convenient use, only needs one-time investment, and does not cause secondary pollution.
Detailed Description
A multifunctional ecological stone comprises a stone blank and an ecological coating coated on the surface of the stone blank; the stone blank comprises the following components in parts by weight: 10-20 parts of clay, 40-60 parts of porcelain clay, 30-45 parts of kaolin and 10-100 parts of cement; the ecological coating comprises the following components in parts by weight: 20-30 parts of feldspar, 20-35 parts of quartz, 3-10 parts of kaolin and 5-15 parts of ecological reinforced adsorption stones; the ecological reinforced adsorption stone comprises the following components in parts by weight: 10-100 parts of polyvinyl alcohol, 10-100 parts of polyvinyl alcohol-ethylene polymer, 10-100 parts of sodium alginate, 1-100 parts of activated carbon, 1-10 parts of reinforcing fiber, 0.1-10 parts of foaming particles and 1-15 parts of organic adhesive.
The coating thickness of the ecological coating on the surface of the stone blank is preferably 5-50mm, because the coating is a main adsorption material, the adsorption effect is influenced if the coating is too thin, and generally, the ecological coating can account for 10-15% of the total weight of the multifunctional ecological stone, and is determined according to the requirements.
The reinforcing fiber is one or a mixture of more than two of carbon fiber, glass fiber, basalt fiber, aramid fiber, orlon fiber, polyester fiber, nylon fiber, vinylon fiber, polypropylene fiber and polyimide fiber, and the fiber length is 5-20 mm.
The foaming particles are one or a mixture of more than two of foaming polypropylene, foaming polystyrene and foaming polyurethane, and the particle size is 0.5-5 mm.
The organic binder can be a mixture of commercially available carboxymethyl cellulose, hydroxypropyl methyl cellulose, epoxy resin and vinyl acetate, and other common binders can also be selected.
The preparation method of the multifunctional ecological stone comprises the following specific steps: fully stirring the stone blank raw materials in proportion, uniformly mixing to ensure that the stone blank raw materials have certain strength to obtain a premix, granulating the premix by adopting a granulator according to the diameter required by a landscape, or preparing the premix into landscape shapes such as cobblestones and the like, naturally drying for 1-24h for later use, and paying attention to the drying so as to ensure that the inside is solidified to a certain extent, but the outside cannot be completely dried, so that a coating has certain viscosity when being coated and is easy to hang; adding polyvinyl alcohol, polyvinyl alcohol-ethylene polymer and sodium alginate into hot water according to parts to dissolve and stir uniformly, wherein the temperature of the hot water can be 85 ℃, the weight ratio of the hot water to the weight of the raw materials of the ecological reinforced adsorption stone can be generally 1:1 to 1:10, the raw materials can be adjusted as required but can not be too viscous, after cooling, adding activated carbon, reinforced fibers, foaming particles and organic binder, and mixing uniformly to obtain the ecological reinforced adsorption stone; adding the prepared ecological reinforced adsorption stones into feldspar, quartz and kaolin according to a proportion, and uniformly mixing to prepare an ecological coating; before the stone blank is not completely solidified, brushing and covering an ecological coating on the surface of the stone blank, and naturally drying for 10-20 days to obtain the multifunctional ecological stone.
The multifunctional ecological stone provided by the invention is placed in sewage to purify water, and after the ecological stone is added into the sewage, the measured ammonia nitrogen, phosphate and COD values in the sewage are reduced.
Example 1:
the multifunctional ecological stone comprises a stone blank and an ecological coating coated on the surface of the stone blank; the stone blank comprises the following components in parts by weight: 20 parts of clay, 60 parts of porcelain clay, 45 parts of kaolin and 100 parts of cement; the ecological coating comprises the following components in parts by weight: 20 parts of feldspar, 20 parts of quartz, 3 parts of kaolin and 5 parts of ecological reinforced adsorption stones; the ecological reinforced adsorption stone comprises the following components in parts by weight: 100 parts of polyvinyl alcohol, 100 parts of polyvinyl alcohol-ethylene polymer, 100 parts of sodium alginate, 100 parts of activated carbon, 10 parts of reinforcing fiber, 10 parts of foaming particles and 15 parts of organic adhesive.
The preparation method of the multifunctional ecological stone comprises the following specific steps: fully stirring the stone blank raw materials in proportion, uniformly mixing to obtain a premix, and granulating the premix by adopting a granulator according to the diameter required by the landscape, and naturally drying for 1h for later use; adding polyvinyl alcohol, polyvinyl alcohol-ethylene polymer and sodium alginate in parts into hot water, dissolving and uniformly stirring, wherein the temperature of the hot water is 85 ℃, the weight ratio of the hot water to the weight of the raw materials of the ecological reinforced adsorption stone is 1:1, cooling, adding activated carbon, reinforced fibers, foamed particles and an organic binder, and uniformly mixing to obtain the ecological reinforced adsorption stone; adding the prepared ecological reinforced adsorption stones into feldspar, quartz and kaolin according to a proportion, and uniformly mixing to prepare an ecological coating; before the stone blank is not completely solidified, brushing an ecological coating on the surface of the stone blank until the thickness of the ecological coating is 5mm, and naturally drying for 10 days.
Example 2:
the multifunctional ecological stone comprises a stone blank and an ecological coating coated on the surface of the stone blank; the stone blank comprises the following components in parts by weight: 10 parts of clay, 40 parts of porcelain clay, 30 parts of kaolin and 10 parts of cement; the ecological coating comprises the following components in parts by weight: 30 parts of feldspar, 35 parts of quartz, 10 parts of kaolin and 15 parts of ecological reinforced adsorption stone; the ecological reinforced adsorption stone comprises the following components in parts by weight: 10 parts of polyvinyl alcohol, 10 parts of polyvinyl alcohol-ethylene polymer, 10 parts of sodium alginate, 1 part of activated carbon, 1 part of reinforcing fiber, 0.1 part of foaming particles and 1 part of organic adhesive.
The preparation method of the multifunctional ecological stone comprises the following specific steps: fully stirring the stone blank raw materials in proportion, uniformly mixing to obtain a premix, and granulating the premix by adopting a granulator according to the diameter required by the landscape, and naturally drying for 24 hours for later use; adding polyvinyl alcohol, polyvinyl alcohol-ethylene polymer and sodium alginate in parts into hot water, dissolving and uniformly stirring, wherein the temperature of the hot water is 85 ℃, the weight ratio of the hot water to the weight of the raw materials of the ecological reinforced adsorption stone is 1:10, cooling, adding activated carbon, reinforced fibers, foamed particles and an organic binder, and uniformly mixing to obtain the ecological reinforced adsorption stone; adding the prepared ecological reinforced adsorption stones into feldspar, quartz and kaolin according to a proportion, and uniformly mixing to prepare an ecological coating; before the stone blank is not completely solidified, brushing an ecological coating on the surface of the stone blank until the thickness of the ecological coating is 50mm, and naturally drying for 20 days.
Example 3:
the multifunctional ecological stone comprises a stone blank and an ecological coating coated on the surface of the stone blank; the stone blank comprises the following components in parts by weight: 10 parts of clay, 50 parts of porcelain clay, 35 parts of kaolin and 65 parts of cement; the ecological coating comprises the following components in parts by weight: 20-30 parts of feldspar, 20-35 parts of quartz, 3-10 parts of kaolin and 5-15 parts of ecological reinforced adsorption stones; the ecological reinforced adsorption stone comprises the following components in parts by weight: 60 parts of polyvinyl alcohol, 95 parts of polyvinyl alcohol-ethylene polymer, 10 parts of sodium alginate, 4 parts of activated carbon, 2 parts of reinforcing fiber, 2 parts of foaming particles and 2 parts of organic adhesive.
The preparation method of the multifunctional ecological stone comprises the following specific steps: fully stirring the stone blank raw materials in proportion, uniformly mixing to obtain a premix, and granulating the premix by adopting a granulator according to the diameter required by the landscape, and naturally drying for 12 hours for later use; adding polyvinyl alcohol, polyvinyl alcohol-ethylene polymer and sodium alginate in parts into hot water, dissolving and uniformly stirring, wherein the temperature of the hot water is 85 ℃, the weight ratio of the hot water to the weight of the raw materials of the ecological reinforced adsorption stone is 1:8, cooling, adding activated carbon, reinforced fibers, foamed particles and an organic binder, and uniformly mixing to obtain the ecological reinforced adsorption stone; adding the prepared ecological reinforced adsorption stones into feldspar, quartz and kaolin according to a proportion, and uniformly mixing to prepare an ecological coating; before the stone blank is not completely cured, brushing an ecological coating on the surface of the stone blank until the thickness of the ecological coating is 15mm, and naturally drying for 16 days.
Example 4:
the mechanical strength of the naturally dried 12-hour stone blank obtained in example 3 and the final ecological stone, each 1kg, was measured as follows:
| material | 1 day | 7 days | 1 month |
| Ecological stone | High strength | High strength | High strength |
| Stone blank | High strength | High strength | High strength |
The above two materials were added to a certain Duantou creek water 10L, respectively, and a blank control group was set, and the results are as follows (unit mg/L):
therefore, the ecological pebbles have better nutrient salt and organic matter adsorption capacity. However, this is mainly due to the adsorption of ecological coatings on the surface layer, and the internal stone blank has a small role as a support material.
Example 5:
the ecological cobblestone of example 4 was placed in Duantou creek water for one year, taken out, covered with a layer of biofilm on the surface visible to the naked eye, and the ecological cobblestone with the biofilm formed was placed in simulated sewage, and the following results (in mg/L) were obtained:
the result shows that the ecological stones of the biofilm still have better effects of removing nutrient salts and partial organic matters in the sewage, the effect of removing phosphate radicals in the experiment is most obvious, and the removal rate reaches 90 percent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. A multifunctional ecological stone is characterized in that: the stone comprises a stone blank and an ecological coating coated on the surface of the stone blank; the stone blank comprises the following components in parts by weight: 10-20 parts of clay, 40-60 parts of porcelain clay, 30-45 parts of kaolin and 10-100 parts of cement; the ecological coating comprises the following components in parts by weight: 20-30 parts of feldspar, 20-35 parts of quartz, 3-10 parts of kaolin and 5-15 parts of ecological reinforced adsorption stones; the ecological reinforced adsorption stone comprises the following components in parts by weight: 10-100 parts of polyvinyl alcohol, 10-100 parts of polyvinyl alcohol-ethylene polymer, 10-100 parts of sodium alginate, 1-100 parts of activated carbon, 1-10 parts of reinforcing fiber, 0.1-10 parts of foaming particles and 1-15 parts of organic adhesive.
2. The multifunctional ecological stone according to claim 1, characterized in that: the coating thickness of the ecological coating on the surface of the stone blank is 5-50 mm.
3. The multifunctional ecological stone according to claim 1, characterized in that: the reinforced fiber is one or a mixture of more than two of carbon fiber, glass fiber, basalt fiber, aramid fiber, orlon fiber, polyester fiber, nylon fiber, vinylon fiber, polypropylene fiber and polyimide fiber, and the fiber length is 5-20 mm.
4. The multifunctional ecological stone according to claim 1, characterized in that: the foaming particles are one or a mixture of more than two of foaming polypropylene, foaming polystyrene and foaming polyurethane, and the particle size is 0.5-5 mm.
5. The multifunctional ecological stone according to any one of claims 1 to 4, wherein the preparation method comprises the following specific steps: fully stirring the stone blank raw materials in proportion, uniformly mixing to obtain a premix, and naturally drying for 1-24h for later use; adding polyvinyl alcohol, polyvinyl alcohol-ethylene polymer and sodium alginate into hot water according to parts to dissolve and stir uniformly, adding activated carbon, reinforced fiber, foaming particles and organic adhesive after cooling, and mixing uniformly to obtain ecological reinforced adsorption stones; adding the prepared ecological reinforced adsorption stones into feldspar, quartz and kaolin according to a proportion, and uniformly mixing to prepare an ecological coating; before the stone blank is not completely solidified, brushing and covering an ecological coating on the surface of the stone blank, and naturally drying for 10-20 days.
6. The multifunctional ecological stone according to claim 5, wherein the preparation method further comprises the following steps: the premix is granulated to the diameter required for landscaping.
7. The multifunctional ecological stone according to claim 5, wherein: the weight ratio of the hot water to the ecological reinforced adsorption stone raw material is 1:1 to 1: 10.
8. The multifunctional ecological stone according to claim 5, wherein: the temperature of the hot water was 85 ℃.
9. The use of a multifunctional ecological stone according to any one of claims 1 to 8, wherein: and placing the ecological stones in sewage for purifying water quality.
10. Use according to claim 9, characterized in that: and after ecological stones are added into the sewage, the reduction of ammonia nitrogen, phosphate and COD values in the sewage is measured.
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Application publication date: 20210226 |