CN108892429A - A method of industrial foam filler is prepared using urban and rural domestic refuse, sludge - Google Patents
A method of industrial foam filler is prepared using urban and rural domestic refuse, sludge Download PDFInfo
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- CN108892429A CN108892429A CN201810954096.3A CN201810954096A CN108892429A CN 108892429 A CN108892429 A CN 108892429A CN 201810954096 A CN201810954096 A CN 201810954096A CN 108892429 A CN108892429 A CN 108892429A
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- Prior art keywords
- sludge
- organic matter
- preparation
- foam filler
- industrial foam
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
Abstract
It mainly include that dissection process is carried out to the sludge based on house refuse and non-organic matter, residue is as preparation industrial foam filler aggregate the invention discloses a kind of method using urban and rural domestic refuse, sludge preparation industrial foam filler；Sludge based on organic matter is hydrolyzed, using hydrolysate as foaming agent base-material；Composite foamable agent is prepared using foaming agent base-material, foam improver, additive；Utilize house refuse or non-organic matter sludge processing gained aggregate, composite foamable agent, cement mixing, homogenizing, add water, stirring, foaming machine filling, industrial foam filler is prepared, the filler thermal coefficient is small, water absorption rate is small, do not go mouldy, is resistant to chemical etching, performance is stable, fire prevention, does not burn, securely and reliably, can be applied to antifreeze, heat preservation, heat-insulated, damping, noise reduction, Fang Jian, decorative engineering and road, sponge city, wetland construction.
Description
Technical field
The present invention relates to the harmless treatment of solid pollutant and application technology as the second resource more particularly to it is a kind of utilize town and country
The method of house refuse, sludge preparation industrial foam filler.
Background technique
Urban and rural domestic refuse and sludge have resulted in significant damage：Organic matter rots, and compound decomposes, and gives out ammonia, vulcanization
Hydrogen, foul smell and other toxic and harmful gas pollute atmosphere；The breeding such as virus, flora, worm's ovum breeds, propagates；Pollutant is adjoint
Sewage penetrates into stratum, flows into river, contaminated land and lithic drainage；Metal and its compound parsing or ionization, polluted-water and
Soil.
Processing for urban and rural domestic refuse, sludge both at home and abroad and using all having carried out a large amount of research and test, including
Minimizing or it is dry after stack, landfill, production compost, burn, but have it is clearly disadvantageous, including：
(1) it is stacked after minimizing or drying:Once moisture absorption or deliquescence, will mouldy, hair smell, release pollutant.
(2) it fills:Land occupation forms permanent pollution sources, polluted underground water system and soil.
(3) compost is made:May cause pollutant, particularly heavy metal contaminants transfer, diffusion, direct polluted agricultural land and
Kind plant.
(4) it burns:A large amount of pernicious gas, bioxin and ashes can be generated, ashes contain bioxin and heavy metal, endanger huge
Greatly, it is difficult to handle.
Contradiction day due to lacking effective Treatment process and method, between urban and rural domestic refuse, sludge and living environment
Benefit is prominent, or even has bred long-distance transportation, topples over to rural area, rivers, lake, sea, and the criminal offence of row is stolen in transfer, and government is strictly
It investigates and prosecutes, still difficulty prevents.Therefore, it is very urgent that urban and rural domestic refuse, the innoxious process for treating of sludge are explored.
Industrial filler is antifreeze, heat-insulated, damping, the common material in noise reduction engineering.Existing most of industrial fillers are to use
Petrochemical industry material (polyurethane, polystyrene, polyvinyl chloride, phenolic aldehyde etc.) manufacture, using it is more be exactly foamed plastics.
Chemical industry foam stuffing containing ozone consuming substances (ODS) has been prohibited；Existing foaming fillers (foam plastic
Material) and foaming agent still have critical defect：First is that it is big by such environmental effects, it can decompose, release under heated or light action
Pernicious gas；Second is that poor safety performance, chemical industry foaming fillers are flammable, and pernicious gas, several fire incidents are also discharged in burning
In, chemical filler acts as severe helper；Third is that waste causes white pollution to environment, it is difficult to degradation and processing.
Therefore, it is most important in industrial filler field to develop a kind of safe and environment-friendly infant industry filler.Utilize life rubbish
The harmless treatment product of rubbish and sludge produces infant industry filler, will have significant benefit and vast market prospect.
Summary of the invention
The present invention is to solve the existing technical deficiency and existing industry that harmless treatment is carried out to house refuse and sludge
Filler poor safety performance, the technological deficiency that will cause environmental pollution provide a kind of industrial using urban and rural domestic refuse, sludge preparation
The method of foaming fillers realizes harmless treatment and resource utilization to house refuse, sludge, prepare antifreeze, heat preservation, every
The excellent industrial foam filler of heat, damping, noise reduction, water permeability.
To reach above-mentioned technical purpose, it is achieved by following technical solution：
A method of industrial foam filler being prepared using urban and rural domestic refuse, sludge, the method includes preparing as follows
Step：
Step (1)：Dissection process is carried out to house refuse, residue is as preparation industrial foam filler aggregate；
Step (2)：Dissection process is carried out to the sludge based on non-organic matter, residue is as preparation industrial foam filler bone
Material；
Step (3)：Sludge based on organic matter is hydrolyzed, using hydrolysate as foaming agent base-material；
Step (4)：The preparation of composite foamable agent includes following preparation step：Weigh following parts by weight substance：By step (3)
70-80 parts of gained foaming agent base-material, 18-25 parts of foam improver, 1-5 parts of additive, mixing, homogenizing.
Step (5)：The preparation of industrial foam filler includes following preparation step：Weigh following parts by weight substance：Step (1) or
40-45 parts of aggregate obtained by step (2), 15-20 parts of composite foamable agent, 40-50 parts of cement obtained by step (4), mixing, homogenizing, add
Water, stirring, foaming machine filling.
Preferably, it includes following preparation step that step (1), which carries out dissection process to house refuse,：
1. material choosing point：Material is dismantled, non-life kind waste is removed；
2. material cracks：Material after choosing point is torn, sheared, is crushed, all kinds of materials in house refuse are cracked；
3. material parses：Urban and rural domestic refuse after cracking is added to solid waste pollutant disposal system, system temperature 800
DEG C, the compound in house refuse is decomposed, organic matter parsing, cracking, condensation, carbonization obtain material 1；
4. to step, 3. resulting material 1 carries out choosing point, extruding, parsing alternate cycles, until carbonization, residue obtained powder
Aggregate after broken as preparation industrial foam filler.
Preferably, non-organic matter sludge dissection process described in step (2), comprises the following steps：
1. non-organic matter sludge dehydration, removes the free moisture in non-organic matter sludge, makes non-organic matter sludge moisture content
≤ 80%, obtain material 1.
2. by step, 1. middle resulting material 1 is added to solid waste pollutant disposal system, 800 DEG C of system temperature, is realized to non-
Organic Sludge is dehydrated, and compound decomposes, organic matter parsing, cracking, condensation, carbonization, residue obtained to make after crushing
For the aggregate for preparing industrial foam filler.
Preferably, hydrolysis process described in step (3), comprises the following steps：
1. organic matter domestic sludge is dehydrated, obtains Organic Sludge and do component；
2. Organic Sludge is done component and water by weight 1：1 is mixed, and mixture 1 is obtained；
3. NaOH solution is added into mixture 1, PH >=13 are adjusted to, stirring >=20min obtains mixture 2；
4. the temperature of mixture 2 is heated to 130-150 DEG C, pressure 0.2-0.4MPa, reaction time >=2h is to get hydrolysis
Product.
Preferably, step (3) Organic Sludge does organic matter fraction weight accounting >=50% in component；Also contain
K2O、P2O5, full nitrogen, heavy metal.
Preferably, foam improver described in step (4) is neopelex, and the additive is accelerator.
Preferably, liquid-solid ratio when prepared by step (5) foaming fillers is 0.6.
The application of industrial foam filler as described above, foaming fillers bulk density≤1500kg/m3, for it is antifreeze, heat preservation, every
Heat, damping, noise reduction element precast and site operation.
The application of industrial foam filler as described above, foaming fillers bulk density>1500kg/m3, for making permeable filtrate, answer
For road, sponge city, wetland construction.
Advantageous effects：
First, the high-quality aggregate of house refuse and sludge parsing residue as foaming fillers：
1. aggregate has been free of any pollutant.
2. aggregate, based on charcoal or carbonized product, thermal coefficient is small, density is small.
3. aggregate performance is stablized, do not react with surrounding medium under normal condition.
Second, Organic Sludge hydrolysate is integrally used as foaming agent base-material, there are following features:
(1) pathogenic microorganism, disease pest ovum etc. are all killed, are decomposed in sludge.
(2) Treatment of Sludge product does not need to carry out separation or concentration, generates, avoids useless without waste water and filter cake
The processing difficulty and secondary pollution of water, waste residue.
(3) organic matter transformation is hydrolysis bioprotein, and sludge is converted into paste viscous fluid, the dirt of non-hydrolysable in sludge
Soil and particles of inorganic material disperse are in viscous fluid.Through testing, the dilution of various concentration has strong foam performance；Suitably
The expanding foam solution foamability of concentration is strong, foam is stable, the duration is strong.Therefore, by city Organic Sludge hydrolysate entirety
Base-material as industrial filler foaming agent.
Third, there is formedness with the industrial foam filler of urban and rural domestic refuse and sewage sludge harmlessness processing product production
Energy：
(1) Novel foaming filler is free of ODS substance；Without pollution components；All kinds of heavy metals in filler component, will be by forever
Remote sealing loses activity in foaming fillers.
(2) Novel foaming carrier performance is stablized, and hardly happens react with surrounding medium under normal conditions；In light, heat
Pollutant is not discharged under effect, all the year round using never degenerating, environmental-protecting performance is excellent.
(3) Novel foaming filler prevents fires, does not burn, securely and reliably.
(4) Novel foaming filler thermal coefficient is small, water absorption rate is small, density is small, have it is good it is antifreeze, heat preservation, it is heat-insulated, subtract
Shake, noise reduction effect.
Industrial foam filler as described above, foaming fillers bulk density≤1500kg/m3, for antifreeze, heat preservation, heat-insulated, damping,
Noise reduction element precast and site operation.
Industrial foam filler as described above, foaming fillers bulk density>1500kg/m3, for making permeable filtrate, it is applied to road
Road, sponge city, wetland construction.
It four：The industrial foam filler produced using solid waste product, can develop all kinds of novel products, and extensive market needs
The amount of asking is big；Added value of product is high, and manufacturing enterprise can obtain good economic benefits：
(1) production heat preservation, heat-insulated, noise reduction component, for building, decorative engineering.
(2) insulating tube and component are produced, petroleum, chemical industry and heating engineering are used for.
(3) damping, noise reduction, seepy material are produced, for road, sponge city, wetland construction.
Specific embodiment
A kind of method using urban and rural domestic refuse, sludge preparation industrial foam filler of embodiment 1
A method of industrial foam filler being prepared using urban and rural domestic refuse, sludge, the method includes preparing as follows
Step：
Step (1)：House refuse is handled：
1. material choosing point：Material is dismantled, non-life kind waste is removed；
2. material cracks：Material after choosing point is torn, sheared, is crushed, all kinds of materials in house refuse are cracked；
3. material parses:Urban and rural domestic refuse after cracking is added to solid waste pollutant disposal system, system temperature 800
DEG C, the compound in house refuse is decomposed, organic matter parsing, cracking, condensation, carbonization obtain material 1；
4. to step, 3. resulting material 1 carries out choosing point, extruding, parsing alternate cycles, until carbonization, residue obtained powder
Aggregate step (2) after broken as preparation industrial foam filler：Sludge based on non-organic matter is handled：
1. non-organic matter sludge dehydration, removes the free moisture in non-organic matter sludge, makes non-organic matter sludge moisture content<
80%, obtain material 1.
2. by step, 1. middle resulting material 1 is added to solid waste pollutant disposal system, 800 DEG C of system temperature, is realized to non-
Organic Sludge is dehydrated, and compound decomposes, organic matter parsing, cracking, condensation, carbonization, residue obtained to make after crushing
For the aggregate for preparing industrial foam filler.
Step (3)：Sludge based on organic matter is hydrolyzed, using hydrolysate as foaming agent base-material.
1. organic matter domestic sludge is dehydrated, obtains Organic Sludge and do component；
2. Organic Sludge is done component and water by weight 1：1 is mixed, and mixture 1 is obtained；
3. NaOH solution is added into mixture 1, it is adjusted to PH>13, stirring>20min obtains mixture 2；
4. the temperature of mixture 2 is heated to 130 DEG C, pressure 0.2MPa, the reaction time>2h to get.
The Organic Sludge does the organic matter weight accounting in component>50%；Also contain K2O、P2O5, full nitrogen, a huge sum of money
Belong to.
Step (4)：The preparation of composite foamable agent includes following preparation step：Weigh following parts by weight substance：By step (3)
70 parts of gained foaming agent base-material, 18 parts of neopelex, 1 part of accelerator, mixing are homogenized to get composite foamable agent.
Step (5)：The preparation of industrial foam filler includes following preparation step：Weigh following parts by weight substance：Step (1) or
40 parts of aggregate obtained by step (2), 15 parts of composite foamable agent, 40 parts of cement obtained by step (4), mixing, homogenizing, add water, reach liquid
Gu than being 0.6, stirring, foaming machine filling.
The application of industrial foam filler, foaming fillers bulk density<1500kg/m3, for antifreeze, heat preservation, heat-insulated, damping, drop
It makes an uproar element precast and site operation.
A kind of method using urban and rural domestic refuse, sludge preparation industrial foam filler of embodiment 2
A method of industrial foam filler being prepared using urban and rural domestic refuse, sludge, the method includes preparing as follows
Step：
Step (1)：House refuse is handled：
1. material choosing point：Material is dismantled, non-life kind waste is removed；
2. material cracks：Material after choosing point is torn, sheared, is crushed, all kinds of materials in house refuse are cracked；
3. material parses:Urban and rural domestic refuse after cracking is added to solid waste pollutant disposal system, system temperature 800
DEG C, the compound in house refuse is decomposed, organic matter parsing, cracking, condensation, carbonization obtain material 1；
4. to step, 3. resulting material 1 carries out choosing point, extruding, parsing alternate cycles, until carbonization, residue obtained powder
Aggregate after broken as preparation industrial foam filler
Step (2)：Sludge based on non-organic matter is handled：
1. non-organic matter sludge dehydration, removes the free moisture in non-organic matter sludge, makes non-organic matter sludge moisture content<
80%, obtain material 1.
2. by step, 1. middle resulting material 1 is added to solid waste pollutant disposal system, 800 DEG C of system temperature, is realized to non-
Organic Sludge is dehydrated, and compound decomposes, organic matter parsing, cracking, condensation, carbonization, residue obtained to make after crushing
For the aggregate for preparing industrial foam filler.
Step (3)：Sludge based on organic matter is hydrolyzed, using hydrolysate as foaming agent base-material.
1. organic matter domestic sludge is dehydrated, obtains Organic Sludge and do component；
2. Organic Sludge is done component and water by weight 1：1 is mixed, and mixture 1 is obtained；
3. NaOH solution is added into mixture 1, it is adjusted to PH 13,20min is stirred, obtains mixture 2；
4. by the temperature of mixture 2 be heated to 140 DEG C, pressure 0.3MPa, reaction time 2h to get.
The Organic Sludge does the organic matter fraction weight accounting 50% in component；Also contain K2O、P2O5, full nitrogen, again
Metal.
Step (4)：The preparation of composite foamable agent includes following preparation step：Weigh following parts by weight substance：By step (3)
75 parts of gained foaming agent base-material, 20 parts of neopelex, 3 parts of foam stabilizer, mixing are homogenized to get composite foamable agent.
Step (5)：The preparation of industrial foam filler includes following preparation step：Weigh following parts by weight substance：Step (1) or
42 parts of aggregate obtained by step (2), 18 parts of composite foamable agent, 45 parts of cement obtained by step (4), mixing, homogenizing, add water, reach liquid
Gu than being 0.6, stirring, foaming machine filling.
The application of industrial foam filler, foaming fillers bulk density are 1500kg/m3, for antifreeze, heat preservation, heat-insulated, damping, drop
It makes an uproar element precast and site operation.
A kind of method using urban and rural domestic refuse, sludge preparation industrial foam filler of embodiment 3
A method of industrial foam filler being prepared using urban and rural domestic refuse, sludge, the method includes preparing as follows
Step：
Step (1)：House refuse is handled：
1. material choosing point：Material is dismantled, non-life kind waste is removed；
2. material cracks：Material after choosing point is torn, sheared, is crushed, all kinds of materials in house refuse are cracked；
3. material parses:Urban and rural domestic refuse after cracking is added to solid waste pollutant disposal system, system temperature 800
DEG C, the compound in house refuse is decomposed, organic matter parsing, cracking, condensation, carbonization obtain material 1；
4. to step, 3. resulting material 1 carries out choosing point, extruding, parsing alternate cycles, until carbonization, residue obtained powder
Aggregate after broken as preparation industrial foam filler
Step (2)：Sludge based on non-organic matter is handled：
1. non-organic matter sludge dehydration, removes the free moisture in non-organic matter sludge, makes non-organic matter sludge moisture content
80%, obtain material 1.
2. by step, 1. middle resulting material 1 is added to solid waste pollutant disposal system, 800 DEG C of system temperature, is realized to non-
Organic Sludge is dehydrated, and compound decomposes, organic matter parsing, cracking, condensation, carbonization, residue obtained to make after crushing
For the aggregate for preparing industrial foam filler.
Step (3)：Sludge based on organic matter is hydrolyzed, using hydrolysate as foaming agent base-material.
1. organic matter domestic sludge is dehydrated, obtains Organic Sludge and do component；
2. Organic Sludge is done component and water by weight 1：1 is mixed, and mixture 1 is obtained；
3. NaOH solution is added into mixture 1, it is adjusted to PH>13, stirring>20min obtains mixture 2；
4. the temperature of mixture 2 is heated to 150 DEG C, pressure 0.4MPa, the reaction time>2h to get.
The Organic Sludge does the organic matter fraction weight accounting in component>50%；Also contain K2O、P2O5, full nitrogen, again
Metal.
Step (4)：The preparation of composite foamable agent includes following preparation step：Weigh following parts by weight substance：By step (3)
80 parts of gained foaming agent base-material, 25 parts of neopelex, 5 parts of foam stabilizer, mixing are homogenized to get composite foamable agent.
Step (5)：The preparation of industrial foam filler includes following preparation step：Weigh following parts by weight substance：Step (1) or
45 parts of aggregate obtained by step (2), 20 parts of composite foamable agent, 50 parts of cement obtained by step (4), mixing, homogenizing, add water, reach liquid
Gu than being 0.6, stirring, foaming machine filling.
The application of industrial foam filler, foaming fillers bulk density>1500kg/m3, for making permeable filtrate, it is applied to road
Road, sponge city, wetland construction.
Heretofore described solid waste pollutant disposal system is that solid waste described in patent of invention CN201710659677.X is dirty
Contaminate object processing system.
Claims (8)
1. a kind of method using urban and rural domestic refuse, sludge preparation industrial foam filler, which is characterized in that the method includes
Following preparation step：
Step (1)：Dissection process is carried out to house refuse, residue is as preparation industrial foam filler aggregate；
Step (2)：Dissection process is carried out to the sludge based on non-organic matter, residue is as preparation industrial foam filler aggregate；
Step (3)：Sludge based on organic matter is hydrolyzed, using hydrolysate as foaming agent base-material；
Step (4)：The preparation of composite foamable agent includes following preparation step：Weigh following parts by weight substance：It will be obtained by step (3)
70-80 parts of foaming agent base-material, 18-25 parts of foam improver, 1-5 parts of additive, mixing, homogenizing.
Step (5)：The preparation of industrial foam filler includes following preparation step：Weigh following parts by weight substance：Step (1) or step
(2) 40-45 parts of aggregate of gained, step (4) gained 15-20 parts of composite foamable agent, 40-50 parts of cement, mixing, homogenizing add water, stir
It mixes, foaming machine filling.
2. the method for preparation industrial foam filler according to claim 1, which is characterized in that life described in step (1)
Rubbish carries out dissection process, comprises the following steps：
1. material choosing point：Material is dismantled, non-life kind waste is removed；
2. material cracks：Material after choosing point is torn, sheared, is crushed, all kinds of materials in house refuse are cracked；
3. material parses:House refuse after cracking is added to solid waste pollutant disposal system, 800 DEG C of system temperature, to life
Compound in rubbish living decomposes, and organic matter parsing, cracking, condensation, carbonization obtain material 1；
4. to step, 3. resulting material 1 carries out choosing point, extruding, parsing alternate cycles, after carbonization, residue obtained crushing
Aggregate as preparation industrial foam filler.
3. the method for preparation industrial foam filler according to claim 1, which is characterized in that non-described in step (2) to have
Organic matter sludge dissection process, comprises the following steps：
1. the dehydration of non-organic matter sludge, removes the free moisture in non-organic matter sludge, make non-organic matter sludge moisture content≤
80%, obtain material 1.
2. by step, 1. middle resulting material 1 is added to solid waste pollutant disposal system, 800 DEG C of system temperature, is realized to non-organic
Matter sludge is dehydrated, and compound decomposes, organic matter parsing, cracking, condensation, carbonization, residue obtained that system is used as after crushing
The aggregate of standby industrial foam filler.
4. the method for preparation industrial foam filler according to claim 1, which is characterized in that hydrolysis described in step (3)
Processing, comprises the following steps：
1. organic matter domestic sludge is dehydrated, obtains Organic Sludge and do component；
2. by step, 1. gained Organic Sludge does component and water by weight 1：1 is mixed, and mixture 1 is obtained：
3. NaOH solution is added into mixture 1, PH >=13 are adjusted to, stirring >=20min obtains mixture 2；
4. by the temperature of mixture 2 be heated to 130-150 DEG C, pressure 0.2-0.4MPa, reaction time >=2h to get.
5. the method for preparation industrial foam filler according to claim 1, which is characterized in that the Organic Sludge does group
Organic matter fraction weight accounting >=50% in point；Also contain K2O、P2O5, full nitrogen, heavy metal.
6. the method for preparation industrial foam filler according to claim 1, which is characterized in that foam enhancing described in step (4)
Agent is neopelex, and the additive is accelerator.
7. the method for preparation industrial foam filler according to claim 1, which is characterized in that step (5) foaming is filled out
The liquid-solid ratio of material in the preparation is 0.6.
8. the application of industrial foam filler described in claim 1-7, which is characterized in that foaming fillers bulk density≤1500kg/m3, use
In antifreeze, heat preservation, heat-insulated, damping, noise reduction element precast and site operation；Foaming fillers bulk density>1500kg/m3, for making
Permeable filtrate is applied to road, sponge city, wetland construction.
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