CN110002915A - A kind of micropore sludge water-preserving nutritive condensate and preparation method thereof - Google Patents
A kind of micropore sludge water-preserving nutritive condensate and preparation method thereof Download PDFInfo
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- CN110002915A CN110002915A CN201910313168.0A CN201910313168A CN110002915A CN 110002915 A CN110002915 A CN 110002915A CN 201910313168 A CN201910313168 A CN 201910313168A CN 110002915 A CN110002915 A CN 110002915A
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Abstract
The invention belongs to solid waste technical field of comprehensive utilization, and in particular to a kind of micropore sludge water-preserving nutritive condensate and preparation method thereof.A kind of micropore sludge water-preserving nutritive condensate is made of internal layer highly effective water-keeping humus nutrition base fluid and outer layer micropore sludge curing block two parts；A kind of polymeric preparation method of micropore sludge water-preserving nutritive includes: 1, extract cellulose in wood machining residues and modification is sodium carboxymethylcellulose；2, humic acid and modification in weathered coal are extracted；3, prepared by highly effective water-keeping humus base fluid；4, prepared by highly effective water-keeping humus nutrition base fluid；5, outer layer micropore sludge curing block prepares 6, pours into the highly effective water-keeping humus nutrition base fluid of preparation in the micropore sludge curing block conserved, the present invention, which is combined the materials such as wood machining residues, weathered coal, the flyash such as dewatered sludge, bark branch by physical chemistry means, prepares highly effective water-keeping nutrition condensate, has achieved the purpose that waste recycling.
Description
Technical field
The invention belongs to solid waste technical field of comprehensive utilization, and in particular to a kind of micropore sludge water-preserving nutritive
Condensate and preparation method thereof.
Background technique
Municipal sludge is the by-product that sewage disposal process generates, and specific resistance to filtration is the weight of water prevention and cure of pollution work
Want link, it has also become restrict one of the critical issue of sewage treatment development.But moisture percentage in sewage sludge is high and is difficult to be dehydrated, to transport
Difficulty is brought with subsequent processing disposition.Meanwhile the nutrients such as a large amount of organic matter, nitrogen, phosphorus, potassium are enriched in sludge, it is
Very good organic fertilizer raw material.If using moisture percentage in sewage sludge height and the property being thoroughly dehydrated can be difficult to by some physical chemistry means
Matter, and the nutriments such as the organic matter being rich in and nitrogen phosphorus, realize lasting water retention property, can preferably realize sludge resource
Change and utilizes.
Cellulose is the substance for constituting plant cell wall construction, is the most abundant natural organic on the earth, is distributed non-
Often extensively, the carbon being contained in plant, there are about 40% to be incorporated in cellulose, and 50,000,000,000 can be reached by being often only terrestrial plant
The yield of ton, it is a kind of renewable resource.The utilization of forest timber resource produces a large amount of wood machining residues, such as
The residue of bark, branch, leaf, sawdust, wood shavings etc., the processing of these timber usually contains cellulose abundant.By to wood
The cellulose extracted in material, which is modified the sodium carboxymethylcellulose that processing obtains, has good water solubility, has in the solution
There is the effects of thickening, emulsify, cohere, being retained, is the important materials for preparing super absorbent resin.
Humus is the mixture of a kind of natural macromolecular aromatic series, hydroxycarboxylic acid, the various active group having.It assigns
The multiple functions of humus are given, it is widely used in the various aspects such as agricultural, industry, medicine, environmental protection.Weathered coal refers to
It is exposed to earth's surface or the coal positioned at shallow surface, is commonly called as crop coal.Weathered coal by weathering oxidation lost be used as power fuel and
The value of coking coal.But the bituminous coal after general weathering all contains a large amount of regeneration humus and a variety of oxygen-content active functional groups, such as carboxylic
Base, phenolic hydroxyl group, quinonyl, alcoholic extract hydroxyl group etc., to assign weathered coal new utility value again.The sodium salt of humus is hydrophilic gel
Body has and contains the speciality such as there are many oxygen-containing functional groups, and chemical stability is high, and physiological activator is more on molecule, is widely used as
Agricultural fertilizer and biostimulant.
Flyash is also known as flying dust or cigarette ash.Fine ash in flue gas produced by coal combustion generally refers to coal-burning power plant from flue
The fine ash collected in gas is inhaled under the conditions of suspension combustion through heating surface after it is the burner hearth that coal dust enters 1300-1500 DEG C
What heat was cooled into.China's burning 1t coal about generates 250-300kg flyash.Flyash processing is mishandling to generate a system
Column environmental problem.Because flyash it is distinctive it is light, bulk density is small, the property that is easily bonded, be often used as building materials,
And the physical modifying agent of soil was also served as in recent years, Lai Gaishan clayey soil permeability and compound water retaining agent prepare material
Material.
Summary of the invention
The present invention, aiming to the above problems, provides a kind of micropore sludge water-preserving nutritive condensates and preparation method thereof.
The invention adopts the following technical scheme in order to achieve the above objectives:
A kind of micropore sludge water-preserving nutritive condensate, it is dirty by internal layer highly effective water-keeping humus nutrition base fluid and outer layer micropore
Mud cured block two parts composition, the internal layer highly effective water-keeping humus nutrition base fluid are fine by sodium humate and carboxymethyl
It ties up plain sodium and carries out graft copolymerization generation in aqueous solution, the outer layer micropore sludge curing block long 120mm, wide 120mm,
High 120mm, central area are reserved with long 70mm, wide 70mm, the space of high 70mm, by internal layer highly effective water-keeping humus nutrition
Base fluid is located in the central area of outer layer micropore sludge curing block.
Further, it is dispersed with the bubble hole of diameter 1.0-3.0mm on the outer layer micropore sludge curing block, is leaning on
The region of nearly internal layer highly effective water-keeping humus nutrition base fluid is efficiently protected based on the hole of diameter 1.0-1.5mm far from internal layer
The region of water humus nutrition base fluid is based on the hole of diameter 2.0-3.0mm.
A kind of polymeric preparation method of micropore sludge water-preserving nutritive, comprising the following steps:
(1) cellulose in wood machining residues is extracted, and is carboxymethyl cellulose by the cellulose modified processing of extraction
Plain sodium, the specific steps are as follows:
1. pre-processing wood machining residues
Wood machining residues are subjected to pulverization process, 60-80 mesh is crossed, timber mixed-powder is made, according to mass ratio
The NaOH solution that ratio for 1:5-1:8 takes timber mixed-powder and mass fraction is 10-12% is in container, at 60 DEG C
Heating stirring boiling 0.5h-1h, is filtered, and is in neutrality with originally water washing filter residue to filtrate, is obtained filter residue；
2. extracting cellulose
Filter residue is added in the container with condensation reflux unit, concentrated nitric acid-alcohol mixeding liquid is added, boiling water bath heating is steamed
0.5-1.5h is boiled, is filtered, first washs residue with concentrated nitric acid-alcohol mixeding liquid, then be in originally water washing filter residue to filtrate
Neutrality, then washed 2-3 times with dehydrated alcohol, it is dried after suction filtration to get cellulose；
3. carboxymethyl-modification handles cellulose
Take cellulose according to the ratio that mass volume ratio is 1:10g/mL and NaOH solution that mass percent is 20% in
In container, heating stirring 0.5-2h, obtains alkali cellulose under the conditions of 30-50 DEG C, by obtained alkali cellulose in ultrasound
Further decentralized processing under wave effect, then ultrasonic power 300W, ultrasonic time 8-15min sequentially add dehydrated alcohol
The NaOH solution for being 20% with mass percent, is uniformly mixed, then to be slowly added into mixed liquor monoxone ethyl alcohol molten
Liquid, heating stirring 0.5-1.5h is filtered after completion of the reaction under the conditions of 80-100 DEG C, is first washed with dehydrated alcohol, then
It is colourless to solution that dilute hydrochloric acid is added dropwise, then is filtered after being washed with dehydrated alcohol, it is dry to get sodium carboxymethylcellulose is arrived, wherein without
The mass ratio of water-ethanol, the volume of NaOH solution and alkali cellulose are as follows: 2:8:1, monoxone ethanol solution and alkaline fiber
The mass ratio of element is 1:1, and the mass ratio of monoxone and ethyl alcohol is 1:1 in monoxone ethanol solution；
(2) it extracts humic acid in weathered coal and carries out modification, the specific steps are as follows:
1. coal sample pretreatment
Lauryl sodium sulfate and neopelex is taken to be added according to the ratio that mass volume ratio is 1:1g/mL
Into the electric heating reacting kettle with agitating device, the water of 20 times of volumes of lauryl sodium sulfate quality is added, is warming up to
60-80 DEG C, stirring is started, meanwhile, the weathered coal that crushed 60-80 mesh is added, the additional amount of weathered coal is dodecyl sulphur
50 times of sour sodium quality stir 10-20min；
2. the extraction and modification of humic acid
Take pretreated coal sample into alkaline solution according to the ratio that mass volume ratio is 1:10g/mL, in 60-100
Heating stirring 1-3h under the conditions of DEG C forms mixed reactant, and the peroxidating that mass fraction is 8% is added into mixed reactant
Hydrogen solution reacts 30min under 60 DEG C and 0.4MPa, aoxidizes the humate in mixture, after reaction standing sedimentation
4-8h, then filtering solution, continuous filter 23 remove the solid residue insoluble in alkali, filtrate are concentrated and dried, is crushed to
80-100 mesh, wherein the Na that the alkaline solution is the 0.1mol/L that volume ratio is 1:14P2O7Solution and 0.1mol/L's
The mixed solution of NaOH solution, wherein the volume ratio of hydrogenperoxide steam generator and alkaline solution is 1:5；
(3) prepared by highly effective water-keeping humus base fluid
Heat collecting type constant-temperature heating magnetic stirring apparatus is opened, 30 DEG C is set by water temperature, reaction vessel is placed in magnetic agitation
In the water bath with thermostatic control of device, after water temperature is constant in device to be mixed, a certain amount of water is first added into reaction vessel, to reaction vessel
After interior water temperature is constant, according still further to the mass ratio of water and sodium humate and sodium carboxymethylcellulose mixture be 10:1 ratio to
Sodium humate and sodium carboxymethylcellulose mixture are added in reaction vessel, wherein sodium humate and sodium carboxymethylcellulose are mixed
Closing the mass ratio of sodium humate and sodium carboxymethylcellulose in object is 2:1, and heating stirring makes it dissolve, and while agitating will
It is warming up to 70 DEG C, and constant temperature persistently stirs 15-30min, dissolves solid sufficiently, and mixed solution is made, in addition, according to volume
It is mixed in cold bath than the NaOH solution that the ratio for 10:2-3 takes acrylic acid to be 20% in container and mass percent
It is even, neutralizer is made, according to the quality sum and K of sodium humate and sodium carboxymethylcellulose2S2O8Mass ratio is 25:1's
K is added into mixed solution for ratio2S2O8Aqueous solution, constant temperature are stirred to react 5-10min, then are added and neutralize into mixed solution
Liquid, the additional amount of neutralizer are that the volume ratio of the gross mass and acrylic acid according to sodium humate and carboxymethyl cellulose is 1:5-
10 take, and the N of 0.05mol/L, N '-methylene-bisacrylamide aqueous solution, N, N '-di-2-ethylhexylphosphine oxide are added after being uniformly mixed
For the additional amount of acrylamide aqueous solution according to acrylic acid and N, N '-methylene-bisacrylamide liquor capacity ratio is 10:1 addition,
Constant temperature stirs 1-1.5h, and highly effective water-keeping humus base fluid is made；
(4) prepared by highly effective water-keeping humus nutrition base fluid
In mass ratio for the ratio of 1:1:1 by the highly effective water-keeping humus base fluid prepared in step (3), sodium humate and
Dewatered sludge implements stirring 5-10min in mixing slowly machine with the revolving speed of 60-80r/min, is uniformly mixed it, then in 30-
To get highly effective water-keeping humus nutrition base fluid after constant temperature stirring 15-45min at 40 DEG C；
(5) prepared by outer layer micropore sludge curing block
1. taking highly effective water-keeping humus base fluid, dewatered sludge, humic acid according to the ratio that mass ratio is 1:3:1:1:2:1
Sodium, attapulgite clay, flyash and sulphate aluminium cement dry powder are stirred in mixing slowly machine with the revolving speed implementation of 60-80r/min
5-10min is mixed, it is uniformly mixed, micropore sludge material is made；
2. weighing lauryl sodium sulfate powder, the water that temperature is 20-25 DEG C is added and dissolves, being made into mass percent is
The sodium dodecyl sulfate solution of 0.2%-0.5% uses high-speed mixer under conditions of revolving speed is 180r/min to 12
Sodium alkyl sulfate solution is stirred, mixing time 30s, prepares sufficient foam, stablizes it uniformly；
3. it is its 18-25 times foam that volume is added in micropore sludge material, stirred at a slow speed with the revolving speed implementation of 30r/min
30s is mixed, until foam is uniformly mixed with micropore sludge material, mixed material is made；
4. mixed material pours into mold, demould after 2 days, covered with plastic cloth, indoors wet curing 15 under air-proof condition
It, obtains outer layer micropore sludge curing block.
(6) the highly effective water-keeping humus nutrition base fluid of preparation is poured into the micropore sludge curing block conserved, i.e.,
Obtain micropore sludge water-preserving nutritive condensate.
Further, the volume of concentrated nitric acid and ethyl alcohol in concentrated nitric acid-alcohol mixeding liquid described in cellulose steps is 2. extracted
Than for 1:4.
Further, the moisture content in the dewatered sludge is 60-80%.
Compared with prior art the invention has the following advantages that
1, the present invention is based on sludge modification curing technologies, are modified to sludge using materials such as humic acid to prepare collection
Water conservation, the complex ecological building materials that are integrated of nutrition, the property being thoroughly dehydrated is difficult to using sludge, and the organic matter that is rich in and
The nutriments such as nitrogen phosphorus realize lasting water retention property, by high-absorbent material preparation and sludge modification curing process, prepare micro-
Hole sludge water-preserving nutritive condensate, can be widely used for the greening occasion in sponge urban construction, it can also be used to Arid desert region
Greening protection and highway, ecological restoration of mine slop protection material, town pavement pavement material, community parking field pad face
Material and landscape build building block；It can be realized innoxious, the stabilisation, disposal of resources of sludge；
2, the present invention is high for moisture percentage in sewage sludge and is difficult to be dehydrated, the characteristic of high organic content, proposes using sludge
Modified solidified technology prepares sludge water-preserving nutritive condensate technology path, can largely dissolve the dewatered sludge of sewage plant, be one
Kind solves the New Environment Protection Technology of sludge pollution, provides new approaches to realize that recycling sludge utilizes；
3, micropore sludge water-preserving nutritive condensate of the invention is set as interior outer double-layer structure.Outer layer micropore sludge curing
Block, which is covered with 1.0-3.0mm hole, can play the role of water guide, water storage, promote nutriment circulation, and provide for root system of plant
The space leeway of stretching, extension development；
4, the present invention is total in outer layer micropore sludge curing block, internal layer highly effective water-keeping humus nutrition base fluid preparation process
Modified humus about 25%-30% is added.Highly effective water-keeping humus base fluid in inside and outside layer, utilizes sodium humate and carboxylic
Sodium carboxymethylcellulose pyce carries out graft copolymerization and generates the three-dimensional net structure with the low crosslinking degree of hydrophilic radical, water absorption rate
It can reach hundreds and thousands of times, and water holding capacity is strong, even if pressurization, absorbed moisture are not spilt over yet, micropore sludge water-preserving nutritive is poly-
Zoarium can keep 20 days moisture content not less than 40% in 20 DEG C of natural ring environments；
5, the present invention utilizes carbohydrate rich in, N, P in the preparation of highly effective water-keeping humus nutrition base fluid
And the sodium humate of microelement is modified dewatered sludge, the active group in humus is in conjunction with the nitrogen in sludge
The complexing of the volatilization and iron and aluminium that reduce nitrogen reduces to form ferric phosphate, aluminum phosphate to phosphorus fixation, increases the movement of phosphorus
The combination of property and potassium, the lattice for reducing potassium are fixed, and effective potassium quantity is increased；The N that makes full use of humus itself to be rich in,
P and while microelement, by humate to the stabilization and modification of nutriment in dewatered sludge, improves whole
Nutritive peculiarity；
6, the present invention strengthens the bioactivity of humate, hydrogen peroxide is in certain temperature by hydrogen peroxide oxidation
Oxidation processes are carried out to humate under degree and pressure, the alkyl on phenyl ring is oxidized to carboxyl (- COOH) or hydroxyl (- OH),
The content for increasing active group improves humate bioactivity, such as hydrophily, redox ability and complexing power；
7, the modified humus of the present invention can pass through class auxin activity, redox characteristic, hydrophily and complexing energy
Three kinds of mechanism of power promote the growth of plant；Class auxin activity: the hydroxyproline increase of cell wall-bound will lead to cell stopping
Elongation, and proline needs the participation of Fe2+ to the conversion of hydroxyproline in cell wall, humic acid can be reduced by chela platform Fe2+
The conversion of proline, to promote to grow, this is particularly evident in leguminous plant root cell growth；Redox characteristic: rotten
Matter is grown due to quinone, the presence of Fen Deng functional group, and the existing electronic capability that receives also is provided with electronic capability.Surface of Plant callus cell has
The progress of redox reaction is related with the substance discharged into the cell, and humus can be by affecting the metabolism in cell wall
Journey influences the synthesis of many higher plant enzymes, to promote plant growth；Hydrophily and complexing power: the microelements such as Fe can be made
It becomes easier to be absorbed by plants；
8, the present invention including, dewatered sludge is added in outer double-layer structure, always mix mud amount up to 40% or so, guaranteeing
While overall structural strength, the resource utilization of sludge, 380~650kg/ of condensate entirety dry bulk density are sufficiently realized
m3, skeleton compression strength is greater than 10Mpa；
9, the present invention makes full use of the feature that content of humic acid is high in weathered coal, is extracted in weathered coal by soda solution grouting
Two kinds of humus of fulvic acid and humic acid.Weathered coal is pre-processed using surfactant, sufficiently wetting and dispersion weathering
Coal particle accelerates the dissolution reaction and salt-forming reaction of humic acid, and the soluble humate content extracted in sample is about
65%-70%；
10, the present invention by physical chemistry means by the wood machining residues such as dewatered sludge, bark branch, weathered coal,
The materials such as flyash, which combine, prepares highly effective water-keeping nutrition condensate, has achieved the purpose that waste recycling.
Specific embodiment
For the technical solution that the present invention is further explained, the present invention will be further described below in conjunction with the embodiments.
Embodiment 1
A kind of micropore sludge water-preserving nutritive condensate, it is dirty by internal layer highly effective water-keeping humus nutrition base fluid and outer layer micropore
Mud cured block two parts composition, the internal layer highly effective water-keeping humus nutrition base fluid are fine by sodium humate and carboxymethyl
It ties up plain sodium and carries out graft copolymerization generation in aqueous solution, the outer layer micropore sludge curing block long 120mm, wide 120mm,
High 120mm, central area are reserved with long 70mm, wide 70mm, the space of high 70mm, by internal layer highly effective water-keeping humus nutrition
Base fluid is located in the central area of outer layer micropore sludge curing block.It is dispersed on the outer layer micropore sludge curing block straight
The bubble hole of diameter 1.0mm is being with the hole of diameter 1.0mm close to the region of internal layer highly effective water-keeping humus nutrition base fluid
It is main, in the region far from internal layer highly effective water-keeping humus nutrition base fluid based on the hole of diameter 2.0mm.
A kind of polymeric preparation method of micropore sludge water-preserving nutritive, comprising the following steps:
(1) cellulose in wood machining residues is extracted, and is carboxymethyl cellulose by the cellulose modified processing of extraction
Plain sodium, the specific steps are as follows:
1. pre-processing wood machining residues
Wood machining residues are subjected to pulverization process, 60 meshes is crossed, timber mixed-powder is made, is according to mass ratio
The ratio of 1:5 takes NaOH solution that timber mixed-powder and mass fraction are 10%, and heating stirring is steamed at 60 DEG C in container
0.5h is boiled, is filtered, is in neutrality with originally water washing filter residue to filtrate, obtains filter residue；
2. extracting cellulose
Filter residue is added in the container with condensation reflux unit, concentrated nitric acid-alcohol mixeding liquid is added, boiling water bath heating is steamed
0.5h is boiled, is filtered, first washs residue with concentrated nitric acid-alcohol mixeding liquid, then with originally water washing filter residue to filtrate is in
Property, then washed 2 times with dehydrated alcohol, it is dried after suction filtration to get cellulose, wherein in concentrated nitric acid-alcohol mixeding liquid
The volume ratio of concentrated nitric acid and ethyl alcohol is 1:4；
3. carboxymethyl-modification handles cellulose
Take cellulose according to the ratio that mass volume ratio is 1:10g/mL and NaOH solution that mass percent is 20% in
In container, heating stirring 0.5h under the conditions of 30 DEG C obtains alkali cellulose, and obtained alkali cellulose is made in ultrasonic wave
With lower further decentralized processing, then ultrasonic power 300W, ultrasonic time 8min sequentially add dehydrated alcohol and quality
The NaOH solution that percentage is 20%, is uniformly mixed, then monoxone ethanol solution is slowly added into mixed liquor, 80
Heating stirring 0.5h under the conditions of DEG C is filtered after completion of the reaction, is first washed with dehydrated alcohol, then dilute hydrochloric acid is added dropwise to solution
It is colourless, then filtered after being washed with dehydrated alcohol, it dries to get sodium carboxymethylcellulose is arrived, wherein dehydrated alcohol, NaOH solution
Volume and alkali cellulose mass ratio are as follows: the mass ratio of 2:8:1, monoxone ethanol solution and alkali cellulose be 1:1,
The mass ratio of monoxone and ethyl alcohol is 1:1 in monoxone ethanol solution；
(2) it extracts humic acid in weathered coal and carries out modification, the specific steps are as follows:
1. coal sample pretreatment
Lauryl sodium sulfate and neopelex is taken to be added according to the ratio that mass volume ratio is 1:1g/mL
Into the electric heating reacting kettle with agitating device, the water of 20 times of volumes of lauryl sodium sulfate quality is added, is warming up to 60
DEG C, stirring is started, meanwhile, the weathered coal that crushed 60 meshes is added, the additional amount of weathered coal is lauryl sodium sulfate quality
50 times, stir 10min；
2. the extraction and modification of humic acid
Take pretreated coal sample into alkaline solution according to the ratio that mass volume ratio is 1:10g/mL, in 60 DEG C of items
Heating stirring 1h under part forms mixed reactant, and the hydrogenperoxide steam generator that mass fraction is 8% is added into mixed reactant,
30min is reacted under 60 DEG C and 0.4MPa, aoxidizes the humate in mixture, after reaction standing sedimentation 4h, then
Filtering solution, continuous filter 23 remove the solid residue insoluble in alkali, filtrate are concentrated and dried, 80 mesh are crushed to, wherein
The alkaline solution is the Na for the 0.1mol/L that volume ratio is 1:14P2O7The mixing of the NaOH solution of solution and 0.1mol/L
Solution, wherein the volume ratio of hydrogenperoxide steam generator and alkaline solution is 1:5；
(3) prepared by highly effective water-keeping humus base fluid
Heat collecting type constant-temperature heating magnetic stirring apparatus is opened, 30 DEG C is set by water temperature, reaction vessel is placed in magnetic agitation
In the water bath with thermostatic control of device, after water temperature is constant in device to be mixed, a certain amount of water is first added into reaction vessel, to reaction vessel
After interior water temperature is constant, according still further to the mass ratio of water and sodium humate and sodium carboxymethylcellulose mixture be 10:1 ratio to
Sodium humate and sodium carboxymethylcellulose mixture are added in reaction vessel, wherein sodium humate and sodium carboxymethylcellulose are mixed
Closing the mass ratio of sodium humate and sodium carboxymethylcellulose in object is 2:1, and heating stirring makes it dissolve, and while agitating will
It is warming up to 70 DEG C, and constant temperature persistently stirs 15min, dissolves solid sufficiently, and mixed solution is made, in addition, being according to volume ratio
The NaOH solution that the ratio of 10:2 takes acrylic acid to be 20% in container and mass percent is uniformly mixed in cold bath, is made
Neutralizer, according to the quality sum and K of sodium humate and sodium carboxymethylcellulose2S2O8Mass ratio be 25:1 ratio to
K is added in mixed solution2S2O8Aqueous solution, constant temperature is stirred to react 5min, then neutralizer is added into mixed solution, neutralizer
Additional amount is that the volume ratio of the gross mass and acrylic acid according to sodium humate and carboxymethyl cellulose takes for 1:5, is stirred
The N of 0.05mol/L is added after even, N '-methylene-bisacrylamide aqueous solution, N, N '-methylene-bisacrylamide aqueous solution
Additional amount is 10:1 addition according to acrylic acid and N, N '-methylene-bisacrylamide liquor capacity ratio, and constant temperature stirs 1h, is made
Highly effective water-keeping humus base fluid；
(4) prepared by highly effective water-keeping humus nutrition base fluid
In mass ratio for the ratio of 1:1:1 by the highly effective water-keeping humus base fluid prepared in step (3), sodium humate and
The dewatered sludge that moisture content is 60% implements stirring 5min in mixing slowly machine with the revolving speed of 60r/min, keeps its mixing equal
It is even, then at 30 DEG C constant temperature stirring 15min after to get highly effective water-keeping humus nutrition base fluid；
(5) prepared by outer layer micropore sludge curing block
1. according to the ratio that mass ratio is 1:3:1:1:2:1 take highly effective water-keeping humus base fluid, moisture content be 60% it is de-
Sewage sludge, sodium humate, attapulgite clay, flyash and sulphate aluminium cement dry powder are in mixing slowly machine with 60r/min's
Revolving speed implements stirring 5min, is uniformly mixed it, micropore sludge material is made；
2. weighing lauryl sodium sulfate powder, the water that temperature is 20 DEG C is added and dissolves, being made into mass percent is
0.2% sodium dodecyl sulfate solution uses high-speed mixer under conditions of revolving speed is 180r/min to dodecyl sulphur
Acid sodium solution is stirred, mixing time 30s, prepares sufficient foam, stablizes it uniformly；
3. it is its 18 times foam that volume is added in micropore sludge material, mixed slowly with the revolving speed implementation of 30r/min
Mixed material is made until foam is uniformly mixed with micropore sludge material in 30s；
4. mixed material pours into mold, demould after 2 days, covered with plastic cloth, indoors wet curing 15 under air-proof condition
It, obtains outer layer micropore sludge curing block.
(6) the highly effective water-keeping humus nutrition base fluid of preparation is poured into the micropore sludge curing block conserved, i.e.,
Obtain micropore sludge water-preserving nutritive condensate.
Embodiment 2
A kind of micropore sludge water-preserving nutritive condensate, it is dirty by internal layer highly effective water-keeping humus nutrition base fluid and outer layer micropore
Mud cured block two parts composition, the internal layer highly effective water-keeping humus nutrition base fluid are fine by sodium humate and carboxymethyl
It ties up plain sodium and carries out graft copolymerization generation in aqueous solution, the outer layer micropore sludge curing block long 120mm, wide 120mm,
High 120mm, central area are reserved with long 70mm, wide 70mm, the space of high 70mm, by internal layer highly effective water-keeping humus nutrition
Base fluid is located in the central area of outer layer micropore sludge curing block.It is dispersed on the outer layer micropore sludge curing block straight
The bubble hole of diameter 2.0mm is being with the hole of diameter 1.25mm close to the region of internal layer highly effective water-keeping humus nutrition base fluid
It is main, in the region far from internal layer highly effective water-keeping humus nutrition base fluid based on the hole of diameter 2.5mm.
A kind of polymeric preparation method of micropore sludge water-preserving nutritive, comprising the following steps:
(1) cellulose in wood machining residues is extracted, and is carboxymethyl cellulose by the cellulose modified processing of extraction
Plain sodium, the specific steps are as follows:
1. pre-processing wood machining residues
Wood machining residues are subjected to pulverization process, 70 meshes is crossed, timber mixed-powder is made, is according to mass ratio
The ratio of 1:6 takes NaOH solution that timber mixed-powder and mass fraction are 11%, and heating stirring is steamed at 60 DEG C in container
0.7h is boiled, is filtered, is in neutrality with originally water washing filter residue to filtrate, obtains filter residue；
2. extracting cellulose
Filter residue is added in the container with condensation reflux unit, concentrated nitric acid-alcohol mixeding liquid is added, boiling water bath heating is steamed
1h is boiled, is filtered, first washs residue with concentrated nitric acid-alcohol mixeding liquid, then be in neutrality with originally water washing filter residue to filtrate,
It is washed 2 times, is dried after suction filtration to get cellulose with dehydrated alcohol again, it is wherein dense in concentrated nitric acid-alcohol mixeding liquid
The volume ratio of nitric acid and ethyl alcohol is 1:4；
3. carboxymethyl-modification handles cellulose
Take cellulose according to the ratio that mass volume ratio is 1:10g/mL and NaOH solution that mass percent is 20% in
In container, heating stirring 1.2h under the conditions of 40 DEG C obtains alkali cellulose, and obtained alkali cellulose is made in ultrasonic wave
With lower further decentralized processing, then ultrasonic power 300W, ultrasonic time 12min sequentially add dehydrated alcohol and quality
The NaOH solution that percentage is 20%, is uniformly mixed, then monoxone ethanol solution is slowly added into mixed liquor, 90
Heating stirring 1h under the conditions of DEG C is filtered after completion of the reaction, is first washed with dehydrated alcohol, then be added dropwise dilute hydrochloric acid to solution without
Color, then filtered after being washed with dehydrated alcohol, dry to get sodium carboxymethylcellulose is arrived, wherein dehydrated alcohol, NaOH solution
The mass ratio of volume and alkali cellulose are as follows: the mass ratio of 2:8:1, monoxone ethanol solution and alkali cellulose is 1:1, chlorine
The mass ratio of monoxone and ethyl alcohol is 1:1 in vinyl alcohol solution；
(2) it extracts humic acid in weathered coal and carries out modification, the specific steps are as follows:
1. coal sample pretreatment
Lauryl sodium sulfate and neopelex is taken to be added according to the ratio that mass volume ratio is 1:1g/mL
Into the electric heating reacting kettle with agitating device, the water of 20 times of volumes of lauryl sodium sulfate quality is added, is warming up to 70
DEG C, stirring is started, meanwhile, the weathered coal that crushed 70 meshes is added, the additional amount of weathered coal is lauryl sodium sulfate quality
50 times, stir 15min；
2. the extraction and modification of humic acid
Take pretreated coal sample into alkaline solution according to the ratio that mass volume ratio is 1:10g/mL, in 80 DEG C of items
Heating stirring 2h under part forms mixed reactant, and the hydrogenperoxide steam generator that mass fraction is 8% is added into mixed reactant,
30min is reacted under 60 DEG C and 0.4MPa, aoxidizes the humate in mixture, after reaction standing sedimentation 6h, then
Filtering solution, continuous filter 23 remove the solid residue insoluble in alkali, filtrate are concentrated and dried, 90 mesh are crushed to, wherein
The alkaline solution is the Na for the 0.1mol/L that volume ratio is 1:14P2O7The mixing of the NaOH solution of solution and 0.1mol/L
Solution, wherein the volume ratio of hydrogenperoxide steam generator and alkaline solution is 1:5；
(3) prepared by highly effective water-keeping humus base fluid
Heat collecting type constant-temperature heating magnetic stirring apparatus is opened, 30 DEG C is set by water temperature, reaction vessel is placed in magnetic agitation
In the water bath with thermostatic control of device, after water temperature is constant in device to be mixed, a certain amount of water is first added into reaction vessel, to reaction vessel
After interior water temperature is constant, according still further to the mass ratio of water and sodium humate and sodium carboxymethylcellulose mixture be 10:1 ratio to
Sodium humate and sodium carboxymethylcellulose mixture are added in reaction vessel, wherein sodium humate and sodium carboxymethylcellulose are mixed
Closing the mass ratio of sodium humate and sodium carboxymethylcellulose in object is 2:1, and heating stirring makes it dissolve, and while agitating will
It is warming up to 70 DEG C, and constant temperature persistently stirs 23min, dissolves solid sufficiently, and mixed solution is made, in addition, being according to volume ratio
The NaOH solution that the ratio of 10:2.5 takes acrylic acid to be 20% in container and mass percent is uniformly mixed in cold bath, system
At neutralizer, according to the quality sum and K of sodium humate and sodium carboxymethylcellulose2S2O8Mass ratio is the ratio of 25:1
K is added into mixed solution2S2O8Aqueous solution, constant temperature is stirred to react 7min, then neutralizer is added into mixed solution, neutralizer
Additional amount be that the volume ratio of gross mass and acrylic acid according to sodium humate and carboxymethyl cellulose takes for 1:8, be stirred
The N of 0.05mol/L, N '-methylene-bisacrylamide aqueous solution, N, N '-methylene-bisacrylamide aqueous solution are added after uniformly
Additional amount according to acrylic acid and N, N '-methylene-bisacrylamide liquor capacity ratio is that 10:1 is added, and constant temperature stirs 1.25h,
Highly effective water-keeping humus base fluid is made；
(4) prepared by highly effective water-keeping humus nutrition base fluid
In mass ratio for the ratio of 1:1:1 by the highly effective water-keeping humus base fluid prepared in step (3), sodium humate and
The dewatered sludge that moisture content is 70% implements stirring 8min in mixing slowly machine with the revolving speed of 70r/min, keeps its mixing equal
It is even, then at 35 DEG C constant temperature stirring 30min after to get highly effective water-keeping humus nutrition base fluid；
(5) prepared by outer layer micropore sludge curing block
1. according to the ratio that mass ratio is 1:3:1:1:2:1 take highly effective water-keeping humus base fluid, moisture content be 70% it is de-
Sewage sludge, sodium humate, attapulgite clay, flyash and sulphate aluminium cement dry powder are in mixing slowly machine with 70r/min's
Revolving speed implements stirring 8min, is uniformly mixed it, micropore sludge material is made；
2. weighing lauryl sodium sulfate powder, the water that temperature is 23 DEG C is added and dissolves, being made into mass percent is
0.3% sodium dodecyl sulfate solution uses high-speed mixer under conditions of revolving speed is 180r/min to dodecyl sulphur
Acid sodium solution is stirred, mixing time 30s, prepares sufficient foam, stablizes it uniformly；
3. it is its 22 times foam that volume is added in micropore sludge material, mixed slowly with the revolving speed implementation of 30r/min
Mixed material is made until foam is uniformly mixed with micropore sludge material in 30s；
4. mixed material pours into mold, demould after 2 days, covered with plastic cloth, indoors wet curing 15 under air-proof condition
It, obtains outer layer micropore sludge curing block.
(6) the highly effective water-keeping humus nutrition base fluid of preparation is poured into the micropore sludge curing block conserved, i.e.,
Obtain micropore sludge water-preserving nutritive condensate.
Embodiment 3
A kind of micropore sludge water-preserving nutritive condensate, it is dirty by internal layer highly effective water-keeping humus nutrition base fluid and outer layer micropore
Mud cured block two parts composition, the internal layer highly effective water-keeping humus nutrition base fluid are fine by sodium humate and carboxymethyl
It ties up plain sodium and carries out graft copolymerization generation in aqueous solution, the outer layer micropore sludge curing block long 120mm, wide 120mm,
High 120mm, central area are reserved with long 70mm, wide 70mm, the space of high 70mm, by internal layer highly effective water-keeping humus nutrition
Base fluid is located in the central area of outer layer micropore sludge curing block.It is dispersed on the outer layer micropore sludge curing block straight
The bubble hole of diameter 3.0mm is being with the hole of diameter 1.5mm close to the region of internal layer highly effective water-keeping humus nutrition base fluid
It is main, in the region far from internal layer highly effective water-keeping humus nutrition base fluid based on the hole of diameter 3.0mm.
A kind of polymeric preparation method of micropore sludge water-preserving nutritive, comprising the following steps:
(1) cellulose in wood machining residues is extracted, and is carboxymethyl cellulose by the cellulose modified processing of extraction
Plain sodium, the specific steps are as follows:
1. pre-processing wood machining residues
Wood machining residues are subjected to pulverization process, 80 meshes is crossed, timber mixed-powder is made, is according to mass ratio
The ratio of 1:8 takes NaOH solution that timber mixed-powder and mass fraction are 12%, and heating stirring is steamed at 60 DEG C in container
1h is boiled, is filtered, is in neutrality with originally water washing filter residue to filtrate, obtains filter residue；
2. extracting cellulose
Filter residue is added in the container with condensation reflux unit, concentrated nitric acid-alcohol mixeding liquid is added, boiling water bath heating is steamed
1.5h is boiled, is filtered, first washs residue with concentrated nitric acid-alcohol mixeding liquid, then with originally water washing filter residue to filtrate is in
Property, then washed 3 times with dehydrated alcohol, it is dried after suction filtration to get cellulose, wherein in concentrated nitric acid-alcohol mixeding liquid
The volume ratio of concentrated nitric acid and ethyl alcohol is 1:4；
3. carboxymethyl-modification handles cellulose
Take cellulose according to the ratio that mass volume ratio is 1:10g/mL and NaOH solution that mass percent is 20% in
In container, heating stirring 2h under the conditions of 50 DEG C obtains alkali cellulose, and obtained alkali cellulose is acted in ultrasonic wave
Then further decentralized processing down, ultrasonic power 300W, ultrasonic time 15min sequentially add dehydrated alcohol and quality hundred
The NaOH solution that score is 20%, is uniformly mixed, then monoxone ethanol solution is slowly added into mixed liquor, at 100 DEG C
Under the conditions of heating stirring 1.5h filtered after completion of the reaction, first washed with dehydrated alcohol, then be added dropwise dilute hydrochloric acid to solution without
Color, then filtered after being washed with dehydrated alcohol, dry to get sodium carboxymethylcellulose is arrived, wherein dehydrated alcohol, NaOH solution
The mass ratio of volume and alkali cellulose are as follows: the mass ratio of 2:8:1, monoxone ethanol solution and alkali cellulose is 1:1, chlorine
The mass ratio of monoxone and ethyl alcohol is 1:1 in vinyl alcohol solution；
(2) it extracts humic acid in weathered coal and carries out modification, the specific steps are as follows:
1. coal sample pretreatment
Lauryl sodium sulfate and neopelex is taken to be added according to the ratio that mass volume ratio is 1:1g/mL
Into the electric heating reacting kettle with agitating device, the water of 20 times of volumes of lauryl sodium sulfate quality is added, is warming up to 80
DEG C, stirring is started, meanwhile, the weathered coal that crushed 80 meshes is added, the additional amount of weathered coal is lauryl sodium sulfate quality
50 times, stir 20min；
2. the extraction and modification of humic acid
Take pretreated coal sample into alkaline solution according to the ratio that mass volume ratio is 1:10g/mL, in 100 DEG C of items
Heating stirring 3h under part forms mixed reactant, and the hydrogenperoxide steam generator that mass fraction is 8% is added into mixed reactant,
30min is reacted under 60 DEG C and 0.4MPa, aoxidizes the humate in mixture, after reaction standing sedimentation 8h, then
Filtering solution, continuous filter 23 remove the solid residue insoluble in alkali, filtrate are concentrated and dried, 100 mesh are crushed to,
Described in alkaline solution be the 0.1mol/L that volume ratio is 1:1 Na4P2O7The NaOH solution of solution and 0.1mol/L is mixed
Solution is closed, wherein the volume ratio of hydrogenperoxide steam generator and alkaline solution is 1:5；
(3) prepared by highly effective water-keeping humus base fluid
Heat collecting type constant-temperature heating magnetic stirring apparatus is opened, 30 DEG C is set by water temperature, reaction vessel is placed in magnetic agitation
In the water bath with thermostatic control of device, after water temperature is constant in device to be mixed, a certain amount of water is first added into reaction vessel, to reaction vessel
After interior water temperature is constant, according still further to the mass ratio of water and sodium humate and sodium carboxymethylcellulose mixture be 10:1 ratio to
Sodium humate and sodium carboxymethylcellulose mixture are added in reaction vessel, wherein sodium humate and sodium carboxymethylcellulose are mixed
Closing the mass ratio of sodium humate and sodium carboxymethylcellulose in object is 2:1, and heating stirring makes it dissolve, and while agitating will
It is warming up to 70 DEG C, and constant temperature persistently stirs 30min, dissolves solid sufficiently, and mixed solution is made, in addition, being according to volume ratio
The NaOH solution that the ratio of 10:3 takes acrylic acid to be 20% in container and mass percent is uniformly mixed in cold bath, is made
Neutralizer, according to the quality sum and K of sodium humate and sodium carboxymethylcellulose2S2O8Mass ratio be 25:1 ratio to
K is added in mixed solution2S2O8Aqueous solution, constant temperature is stirred to react 10min, then neutralizer is added into mixed solution, neutralizer
Additional amount be that the volume ratio of gross mass and acrylic acid according to sodium humate and carboxymethyl cellulose takes for 1:10, stirring is mixed
The N of 0.05mol/L is added after closing uniformly, N '-methylene-bisacrylamide aqueous solution, N, N '-methylene-bisacrylamide is water-soluble
For the additional amount of liquid according to acrylic acid and N, N '-methylene-bisacrylamide liquor capacity ratio is 10:1 addition, constant temperature stirring
Highly effective water-keeping humus base fluid is made in 1.5h；
(4) prepared by highly effective water-keeping humus nutrition base fluid
In mass ratio for the ratio of 1:1:1 by the highly effective water-keeping humus base fluid prepared in step (3), sodium humate and
The dewatered sludge that moisture content is 80% implements stirring 10min in mixing slowly machine with the revolving speed of 80r/min, keeps its mixing equal
It is even, then at 40 DEG C constant temperature stirring 45min after to get highly effective water-keeping humus nutrition base fluid；
(5) prepared by outer layer micropore sludge curing block
1. according to the ratio that mass ratio is 1:3:1:1:2:1 take highly effective water-keeping humus base fluid, moisture content be 80% it is de-
Sewage sludge, sodium humate, attapulgite clay, flyash and sulphate aluminium cement dry powder are in mixing slowly machine with 80r/min's
Revolving speed implements stirring 10min, is uniformly mixed it, micropore sludge material is made；
2. weighing lauryl sodium sulfate powder, the water that temperature is 25 DEG C is added and dissolves, being made into mass percent is
0.5% sodium dodecyl sulfate solution uses high-speed mixer under conditions of revolving speed is 180r/min to dodecyl sulphur
Acid sodium solution is stirred, mixing time 30s, prepares sufficient foam, stablizes it uniformly；
3. it is its 25 times foam that volume is added in micropore sludge material, mixed slowly with the revolving speed implementation of 30r/min
Mixed material is made until foam is uniformly mixed with micropore sludge material in 30s；
4. mixed material pours into mold, demould after 2 days, covered with plastic cloth, indoors wet curing 15 under air-proof condition
It, obtains outer layer micropore sludge curing block.
(6) the highly effective water-keeping humus nutrition base fluid of preparation is poured into the micropore sludge curing block conserved, i.e.,
Obtain micropore sludge water-preserving nutritive condensate.
Main feature and advantage of the invention has been shown and described above, it is obvious to a person skilled in the art that this
Invention is not limited to the details of above-mentioned exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention,
The present invention can be realized in other specific forms.Therefore, in all respects, the embodiments should be taken as demonstrations
Property, and be non-limiting, the scope of the invention being indicated by the appended claims rather than by the foregoing description, it is intended that
It includes all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only
It contains an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art answer
When considering the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments that member is understood that.
Claims (5)
1. a kind of micropore sludge water-preserving nutritive condensate, it is characterised in that: by internal layer highly effective water-keeping humus nutrition base fluid and outside
Layer micropore sludge curing block two parts composition, the internal layer highly effective water-keeping humus nutrition base fluid is by sodium humate and carboxylic
Sodium carboxymethylcellulose pyce carries out graft copolymerization generation in aqueous solution, the outer layer micropore sludge curing block long 120mm, wide
120mm, high 120mm, central area are reserved with long 70mm, wide 70mm, the space of high 70mm, by internal layer highly effective water-keeping humus
Nutrient medium liquid level is in the central area of outer layer micropore sludge curing block.
2. micropore sludge water-preserving nutritive condensate according to claim 1, it is characterised in that: the outer layer micropore sludge
The bubble hole of diameter 1.0-3.0mm is dispersed on cured block, in the region close to internal layer highly effective water-keeping humus nutrition base fluid
Based on the hole of diameter 1.0-1.5mm, in the region far from internal layer highly effective water-keeping humus nutrition base fluid with diameter 2.0-
Based on the hole of 3.0mm.
3. a kind of polymeric preparation method of micropore sludge water-preserving nutritive, feature described in any one of claim 1-2
It is: the following steps are included:
(1) cellulose in wood machining residues is extracted, and is sodium carboxymethylcellulose by the cellulose modified processing of extraction,
Specific step is as follows:
1. pre-processing wood machining residues
Wood machining residues are subjected to pulverization process, 60-80 mesh is crossed, timber mixed-powder is made, are 1 according to mass ratio:
The NaOH solution that the ratio of 5-1:8 takes timber mixed-powder and mass fraction is 10-12% is heated at 60 DEG C and is stirred in container
Boiling 0.5h-1h is mixed, is filtered, is in neutrality with originally water washing filter residue to filtrate, obtains filter residue；
2. extracting cellulose
Filter residue is added in the container with condensation reflux unit, concentrated nitric acid-alcohol mixeding liquid is added, boiling water bath heats boiling 0.5-
1.5h is filtered, and first washs residue with concentrated nitric acid-alcohol mixeding liquid, then be in neutrality with originally water washing filter residue to filtrate, then
It is washed 2-3 times with dehydrated alcohol, is dried after suction filtration to get cellulose；
3. carboxymethyl-modification handles cellulose
Cellulose is taken according to the ratio that mass volume ratio is 1:10g/mL and NaOH solution that mass percent is 20% is in container
In, heating stirring 0.5-2h, obtains alkali cellulose under the conditions of 30-50 DEG C, and obtained alkali cellulose is made in ultrasonic wave
With lower further decentralized processing, then ultrasonic power 300W, ultrasonic time 8-15min sequentially add dehydrated alcohol and matter
The NaOH solution that percentage is 20% is measured, is uniformly mixed, then be slowly added to monoxone ethanol solution into mixed liquor,
Heating stirring 0.5-1.5h under the conditions of 80-100 DEG C is filtered after completion of the reaction, is first washed with dehydrated alcohol, then is added dropwise dilute
Hydrochloric acid is colourless to solution, then filters after being washed with dehydrated alcohol, dry to get sodium carboxymethylcellulose is arrived, wherein dehydrated alcohol,
The volume of NaOH solution and the mass ratio of alkali cellulose are as follows: 2:8:1, the mass ratio of monoxone ethanol solution and alkali cellulose
For 1:1, the mass ratio of monoxone and ethyl alcohol is 1:1 in monoxone ethanol solution；
(2) it extracts humic acid in weathered coal and carries out modification, the specific steps are as follows:
1. coal sample pretreatment
It takes lauryl sodium sulfate and neopelex to be added to according to the ratio that mass volume ratio is 1:1g/mL to have
In the electric heating reacting kettle of agitating device, the water of 20 times of volumes of lauryl sodium sulfate quality is added, is warming up to 60-80 DEG C,
Stirring is started, meanwhile, the weathered coal that crushed 60-80 mesh is added, the additional amount of weathered coal is lauryl sodium sulfate quality
50 times, stir 10-20min；
2. the extraction and modification of humic acid
Take pretreated coal sample into alkaline solution according to the ratio that mass volume ratio is 1:10g/mL, in 60-100 DEG C of condition
Lower heating stirring 1-3h forms mixed reactant, and the hydrogenperoxide steam generator that mass fraction is 8% is added into mixed reactant,
30min is reacted under 60 DEG C and 0.4MPa, aoxidizes the humate in mixture, after reaction standing sedimentation 4-8h, so
Filtering solution afterwards, continuous filter 23 remove the solid residue insoluble in alkali, filtrate are concentrated and dried, 80-100 is crushed to
Mesh, wherein the Na that the alkaline solution is the 0.1mol/L that volume ratio is 1:14P2O7The NaOH solution of solution and 0.1mol/L
Mixed solution, wherein the volume ratio of hydrogenperoxide steam generator and alkaline solution be 1:5；
(3) prepared by highly effective water-keeping humus base fluid
Heat collecting type constant-temperature heating magnetic stirring apparatus is opened, 30 DEG C is set by water temperature, reaction vessel is placed in magnetic stirring apparatus
In water bath with thermostatic control, after water temperature is constant in device to be mixed, a certain amount of water is first added into reaction vessel, to water temperature in reaction vessel
After constant, according still further to the ratio that the mass ratio of water and sodium humate and sodium carboxymethylcellulose mixture is 10:1 to reaction vessel
Middle addition sodium humate and sodium carboxymethylcellulose mixture, wherein humic in sodium humate and sodium carboxymethylcellulose mixture
The mass ratio of sour sodium and sodium carboxymethylcellulose is 2:1, and heating stirring makes it dissolve, and is warming up to 70 while agitating
DEG C, constant temperature persistently stirs 15-30min, dissolves solid sufficiently, mixed solution is made, in addition, being 10:2-3's according to volume ratio
The NaOH solution that ratio takes acrylic acid to be 20% in container and mass percent is uniformly mixed in cold bath, and neutralizer is made,
According to the quality sum and K of sodium humate and sodium carboxymethylcellulose2S2O8Mass ratio is the ratio of 25:1 into mixed solution
K is added2S2O8Aqueous solution, constant temperature is stirred to react 5-10min, then neutralizer is added into mixed solution, and the additional amount of neutralizer is
It takes according to the volume ratio of the gross mass and acrylic acid of sodium humate and carboxymethyl cellulose for 1:5-10, adds after being uniformly mixed
Enter the additional amount of the N of 0.05mol/L, N '-methylene-bisacrylamide aqueous solution, N, N '-methylene-bisacrylamide aqueous solution
According to acrylic acid and N, N '-methylene-bisacrylamide liquor capacity ratio is 10:1 addition, and constant temperature stirs 1-1.5h, is made efficient
It is retained humus base fluid；
(4) prepared by highly effective water-keeping humus nutrition base fluid
It is for the ratio of 1:1:1 that the highly effective water-keeping humus base fluid prepared in step (3), sodium humate and dehydration is dirty in mass ratio
Mud implements stirring 5-10min in mixing slowly machine with the revolving speed of 60-80r/min, is uniformly mixed it, then at 30-40 DEG C
To get highly effective water-keeping humus nutrition base fluid after constant temperature stirring 15-45min；
(5) prepared by outer layer micropore sludge curing block
1. taking highly effective water-keeping humus base fluid, dewatered sludge, sodium humate, recessed according to the ratio that mass ratio is 1:3:1:1:2:1
Convex stick clay, flyash and sulphate aluminium cement dry powder implement stirring 5- in mixing slowly machine with the revolving speed of 60-80r/min
10min is uniformly mixed it, micropore sludge material is made；
2. weighing lauryl sodium sulfate powder, the water that temperature is 20-25 DEG C is added and dissolves, being made into mass percent is 0.2%-
0.5% sodium dodecyl sulfate solution uses high-speed mixer under conditions of revolving speed is 180r/min to dodecyl sulphur
Acid sodium solution is stirred, mixing time 30s, prepares sufficient foam, stablizes it uniformly；
3. it is its 18-25 times foam that volume is added in micropore sludge material, 30s is mixed slowly with the revolving speed implementation of 30r/min,
Until foam is uniformly mixed with micropore sludge material, mixed material is made；
4. mixed material pours into mold, demould after 2 days, covered with plastic cloth, wet curing 15 days under air-proof condition, obtain indoors
To outer layer micropore sludge curing block；
(6) the highly effective water-keeping humus nutrition base fluid of preparation is poured into the micropore sludge curing block conserved to get micro-
Hole sludge water-preserving nutritive condensate.
4. a kind of polymeric preparation method of micropore sludge water-preserving nutritive according to claim 3, it is characterised in that: 2. mention
Taking the volume ratio of concentrated nitric acid and ethyl alcohol in concentrated nitric acid-alcohol mixeding liquid described in cellulose steps is 1:4.
5. a kind of polymeric preparation method of micropore sludge water-preserving nutritive according to claim 3, it is characterised in that: described
Moisture content in dewatered sludge is 60-80%.
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| CN115925184A (en) * | 2022-12-30 | 2023-04-07 | 桂润环境科技股份有限公司 | Process for treating industrial wastewater generated in brewing of Maotai-flavor liquor |
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