CN107500714A - A kind of method that insulation material is prepared using silica gel waste water - Google Patents

A kind of method that insulation material is prepared using silica gel waste water Download PDF

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Publication number
CN107500714A
CN107500714A CN201710835809.XA CN201710835809A CN107500714A CN 107500714 A CN107500714 A CN 107500714A CN 201710835809 A CN201710835809 A CN 201710835809A CN 107500714 A CN107500714 A CN 107500714A
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CN
China
Prior art keywords
silica gel
waste water
insulation material
parts
gel waste
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Pending
Application number
CN201710835809.XA
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Chinese (zh)
Inventor
刘蓉凤
刘沁
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Changzhou Focus Heating And Cooling Equipment Engineering Co Ltd
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Changzhou Focus Heating And Cooling Equipment Engineering Co Ltd
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Priority to CN201710835809.XA priority Critical patent/CN107500714A/en
Publication of CN107500714A publication Critical patent/CN107500714A/en
Pending legal-status Critical Current

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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
    • C04B28/34—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 containing cold phosphate binders
    • 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
    • C04B2111/00017—Aspects relating to the protection of the environment
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • 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
    • C04B2111/76—Use at unusual temperatures, e.g. sub-zero
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The invention discloses a kind of method that insulation material is prepared using silica gel waste water, belongs to field of heat insulating materials, and silica gel waste water, calcium oxide, aluminium chloride are put into reactor by the present invention to be reacted, after cooling, reactant is collected, reactant is put into container and is powered, filtering, collect filter residue；Calcined at being 500 ~ 550 DEG C in temperature by filter residue, after cooling, collect calcined material, calcined material is put into ball mill, then add surfactant into ball mill, ball milling, obtain ball milling thing；Take water ﹑ ball millings thing, magnesium phosphate, dispersant, hydroxypropyl methyl cellulose, sodium carbonate to be put into container, mixed, stood, stirring, obtain stirring mixture；Stirring mixture is poured into mould, extrudes, strikes off, then mould is put into baking oven and dried, after cooling, dried object is collected, produces the insulation material prepared using silica gel waste water.The beneficial effects of the invention are as follows：The insulation material high insulating effect of the present invention, stability is strong, is worthy to be popularized.

Description

A kind of method that insulation material is prepared using silica gel waste water
Technical field
The present invention relates to field of heat insulating materials, and in particular to a kind of method that insulation material is prepared using silica gel waste water.
Background technology
In petroleum chemical industry catalyst production process, molecular sieve workshop produce substantial amounts of high pH (pH value 11 with On) silicon-containing wastewater, wherein the silicate contained is with SiO2Meter up to 2.0 ~ 4.0%, and quite stable.These waste water are general Aobvious alkalescence, if be directly discharged in natural water, as pH is reduced, SiO2Settled out into gel or floccule, form plain boiled water, it is dirty Contaminate water body, blocking water channel.
Insulation material refers to that heat-insulating property can be improved, economizes on resources, the new material to reduce environmental pollution.Existing market The upper insulation material various types on construction wall, mainly based on organic insulation material, these organic insulation material bases Originally requirement is disclosure satisfy that, but there is also some problems.For example effect is not ideal enough, current used insulation material is especially It is not ideal enough in insulation, acid and alkali-resistance, weatherability etc. effect, in the prevalence of than great, thermal conductivity factor is big, adhesive property The problem of poor；Some securities also are inadequate, insulation material stability deficiency on the market, easy to crack, have appearance caducous Hidden danger, can not especially solve the problems, such as security against fire.
The content of the invention
The technical problems to be solved by the invention：For current insulation material stability deficiency, the problem of easily coming off, carry For a kind of method that insulation material is prepared using silica gel waste water.
In order to solve the above technical problems, the present invention is using technical scheme as described below：
A kind of method that insulation material is prepared using silica gel waste water, it is characterised in that the preparation method comprises the following steps：
（1）In mass ratio 8 ~ 11：1~2：1 ~ 2, silica gel waste water, calcium oxide, aluminium chloride are put into reactor, pressure 1.2 ~ 1.5MPa, reacted at 100 ~ 105 DEG C of temperature, after cooling, collect reactant, reactant is put into container, container is put Put and be powered in the case where temperature is 5 ~ 10 DEG C, electric current is 10 ~ 15mA, and be powered 20 ~ 30min, filtering, collects filter residue；
（2）Calcined at being 500 ~ 550 DEG C in temperature by filter residue, after cooling, collect calcined material, calcined material is put into ball milling In machine, then into ball mill plus calcined material quality 2 ~ 3% surfactant, ball milling, obtain ball milling thing；
（3）Count in parts by weight, take 100 ~ 150 80 ~ 90 parts of ball milling things of Fen Shui ﹑, 10 ~ 15 parts of magnesium phosphates, 2 ~ 4 parts of dispersants, 1.5 ~ 3 parts of hydroxypropyl methyl celluloses, 1 ~ 2 part of sodium carbonate are put into container, are mixed, and stand 0.5 ~ 1h, stir 20 ~ 25min, Mixture must be stirred；
（4）Stirring mixture is poured into mould, extrudes, strikes off, then mould is put into baking oven, at 85 ~ 90 DEG C of temperature, 1 ~ 1.5d is dried, after cooling, dried object is collected, produces the insulation material prepared using silica gel waste water.
The step（2）Middle surfactant is lauryl sulfosuccinic acid monoester disodium, Monododecylphosphate potassium Any one.
The step（2）Middle dispersant be sodium tripolyphosphate, calgon, sodium pyrophosphate any one.
Compared with other method, advantageous effects are the present invention：The present invention uses silicon-containing wastewater, realizes waste water resource Utilize, reduce environmental pollution, and reactant is powered at low temperature, is advantageous to separate out other heavy metals, is made innocuous, Dispersant can improve adhesiveness, water proofing property, cohesive, rupture strength and the wearability of insulation material in stirring mixture Energy.Hydroxypropyl methyl cellulose can effectively suppress extension and the UNICOM in crack, make material as water-loss reducer, binder, retarder The cracking resistance of material is significantly improved, and phenomena such as preventing metope generation hollowing, ftracture, come off, while water retention property makes to mix Compound strengthens cohesive force, the intensity after enhancing hardening.
Embodiment
Surfactant be lauryl sulfosuccinic acid monoester disodium, Monododecylphosphate potassium any one.
Dispersant be sodium tripolyphosphate, calgon, sodium pyrophosphate any one.
The method that the present invention prepares insulation material using silica gel waste water, comprises the following steps：
（1）In mass ratio 8 ~ 11：1~2：1 ~ 2, silica gel waste water, calcium oxide, aluminium chloride are put into reactor, pressure 1.2 ~ 1.5MPa, reacted at 100 ~ 105 DEG C of temperature, after cooling, collect reactant, reactant is put into container, container is put Put and be powered in the case where temperature is 5 ~ 10 DEG C, electric current is 10 ~ 15mA, and be powered 20 ~ 30min, filtering, collects filter residue；
（2）Calcined at being 500 ~ 550 DEG C in temperature by filter residue, after cooling, collect calcined material, calcined material is put into ball milling In machine, then into ball mill plus calcined material quality 2 ~ 3% surfactant, ball milling, obtain ball milling thing；
（3）Count in parts by weight, take 100 ~ 150 80 ~ 90 parts of ball milling things of Fen Shui ﹑, 10 ~ 15 parts of magnesium phosphates, 2 ~ 4 parts of dispersants, 1.5 ~ 3 parts of hydroxypropyl methyl celluloses, 1 ~ 2 part of sodium carbonate are put into container, are mixed, and stand 0.5 ~ 1h, stir 20 ~ 25min, Mixture must be stirred；
（4）Stirring mixture is poured into mould, extrudes, strikes off, then mould is put into baking oven, at 85 ~ 90 DEG C of temperature, 1 ~ 1.5d is dried, after cooling, dried object is collected, produces the insulation material prepared using silica gel waste water.
Example 1
Surfactant is lauryl sulfosuccinic acid monoester disodium.
Dispersant is sodium tripolyphosphate.
The method that the present invention prepares insulation material using silica gel waste water, comprises the following steps：
（1）In mass ratio 8：1：1, silica gel waste water, calcium oxide, aluminium chloride are put into reactor, in pressure 1.2MPa, temperature Reacted at 100 DEG C, after cooling, collect reactant, reactant is put into container, container is placed on temperature as at 5 DEG C It is powered, electric current 10mA, energization 20min, filtering, collects filter residue；
（2）Calcined at being 500 DEG C in temperature by filter residue, after cooling, collect calcined material, calcined material is put into ball mill It is interior, then into ball mill plus calcined material quality 2% surfactant, ball milling, obtain ball milling thing；
（3）Count in parts by weight, take 100 80 parts of ball milling things of Fen Shui ﹑, 10 parts of magnesium phosphates, 2 parts of dispersants, 1.5 parts of hydroxypropyl methyls Cellulose, 1 part of sodium carbonate are put into container, are mixed, and stand 0.5h, are stirred 20 ~ min, are obtained stirring mixture；
（4）Stirring mixture is poured into mould, extrudes, strikes off, then mould is put into baking oven, at 85 DEG C of temperature, is done Dry 1d, after cooling, dried object is collected, produce the insulation material prepared using silica gel waste water.
Example 2
Surfactant is Monododecylphosphate potassium.
Dispersant is calgon.
The method that the present invention prepares insulation material using silica gel waste water, comprises the following steps：
（1）In mass ratio 11：2：2, silica gel waste water, calcium oxide, aluminium chloride are put into reactor, in pressure 1.5MPa, temperature Reacted at 105 DEG C, after cooling, collect reactant, reactant is put into container, container is placed on temperature as at 10 DEG C It is powered, electric current 15mA, energization 30min, filtering, collects filter residue；
（2）Calcined at being 550 DEG C in temperature by filter residue, after cooling, collect calcined material, calcined material is put into ball mill It is interior, then into ball mill plus calcined material quality 3% surfactant, ball milling, obtain ball milling thing；
（3）Count in parts by weight, take 150 90 parts of ball milling things of Fen Shui ﹑, 15 parts of magnesium phosphates, 4 parts of dispersants, 3 parts of hydroxypropyl methyl fibres Dimension element, 2 parts of sodium carbonate are put into container, are mixed, and stand 1h, are stirred 25min, are obtained stirring mixture；
（4）Stirring mixture is poured into mould, extrudes, strikes off, then mould is put into baking oven, at 90 DEG C of temperature, is done Dry 1.5d, after cooling, dried object is collected, produce the insulation material prepared using silica gel waste water.
Example 3
Surfactant is lauryl sulfosuccinic acid monoester disodium.
Dispersant is sodium pyrophosphate.
The method that the present invention prepares insulation material using silica gel waste water, comprises the following steps：
（1）In mass ratio 9：1.5：1.5, silica gel waste water, calcium oxide, aluminium chloride are put into reactor, in pressure 1.3MPa, temperature Reacted at 103 DEG C of degree, after cooling, collect reactant, reactant is put into container, container is placed on temperature as 7 DEG C Under be powered, electric current 13mA, energization 25min, filtering, collect filter residue；
（2）Calcined at being 525 DEG C in temperature by filter residue, after cooling, collect calcined material, calcined material is put into ball mill It is interior, then into ball mill plus calcined material quality 2.5% surfactant, ball milling, obtain ball milling thing；
（3）Count in parts by weight, take 125 85 parts of ball milling things of Fen Shui ﹑, 13 parts of magnesium phosphates, 3 parts of dispersants, 2 parts of hydroxypropyl methyl fibres Dimension element, 1.5 parts of sodium carbonate are put into container, are mixed, and stand 0.7h, are stirred 23min, are obtained stirring mixture；
（4）Stirring mixture is poured into mould, extrudes, strikes off, then mould is put into baking oven, at 87 DEG C of temperature, is done Dry 1d, after cooling, dried object is collected, produce the insulation material prepared using silica gel waste water.
Reference examples：The insulation material of company of Shenzhen production.
Insulation material obtained by above-described embodiment and the insulation material of reference examples are detected, specific detection is as follows：
Thermal conductivity factor detection is carried out according to the standards of GB/T10297-1998；
Artificial weathering aging detection is carried out according to the standards of GB/T14522-2008；
Tensile property detection is carried out according to the standards of GB/T 1040-2006.
Testing result such as table 1.
Table 1：
Detection project Example 1 Example 2 Example 3 Reference examples
Thermal conductivity factor 0.035 0.032 0.032 0.085~0.01
Tensile strength KPA 3.4 3.2 3.5 2.1~2.5
Adhesion strength KPA 328 326 331 280~290
Frost resistance Change without destructiveness Change without destructiveness Change without destructiveness Slight change
Summary, insulation material high insulating effect of the invention, stability is strong, is worthy to be popularized.

Claims (3)

  1. A kind of 1. method that insulation material is prepared using silica gel waste water, it is characterised in that the preparation method comprises the following steps：
    （1）In mass ratio 8 ~ 11：1~2：1 ~ 2, silica gel waste water, calcium oxide, aluminium chloride are put into reactor, pressure 1.2 ~ 1.5MPa, reacted at 100 ~ 105 DEG C of temperature, after cooling, collect reactant, reactant is put into container, container is put Put and be powered in the case where temperature is 5 ~ 10 DEG C, electric current is 10 ~ 15mA, and be powered 20 ~ 30min, filtering, collects filter residue；
    （2）Calcined at being 500 ~ 550 DEG C in temperature by filter residue, after cooling, collect calcined material, calcined material is put into ball milling In machine, then into ball mill plus calcined material quality 2 ~ 3% surfactant, ball milling, obtain ball milling thing；
    （3）Count in parts by weight, take 100 ~ 150 80 ~ 90 parts of ball milling things of Fen Shui ﹑, 10 ~ 15 parts of magnesium phosphates, 2 ~ 4 parts of dispersants, 1.5 ~ 3 parts of hydroxypropyl methyl celluloses, 1 ~ 2 part of sodium carbonate are put into container, are mixed, and stand 0.5 ~ 1h, stir 20 ~ 25min, Mixture must be stirred；
    （4）Stirring mixture is poured into mould, extrudes, strikes off, then mould is put into baking oven, at 85 ~ 90 DEG C of temperature, 1 ~ 1.5d is dried, after cooling, dried object is collected, produces the insulation material prepared using silica gel waste water.
  2. 2. the method according to claim 1 that insulation material is prepared using silica gel waste water, it is characterised in that the step （2）Middle surfactant be lauryl sulfosuccinic acid monoester disodium, Monododecylphosphate potassium any one.
  3. 3. the method according to claim 1 that insulation material is prepared using silica gel waste water, it is characterised in that the step （2）Middle dispersant be sodium tripolyphosphate, calgon, sodium pyrophosphate any one.
CN201710835809.XA 2017-09-16 2017-09-16 A kind of method that insulation material is prepared using silica gel waste water Pending CN107500714A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070297974A1 (en) * 2006-06-27 2007-12-27 Teruo Henmi Method of manufacturing solid acid catalyst
CN105800820A (en) * 2014-12-31 2016-07-27 北京清大国华环境股份有限公司 Treatment method and device for silicon containing wastewater
CN106365562A (en) * 2016-08-28 2017-02-01 山东地平线建筑节能科技有限公司 Efficient energy-saving environment-friendly inorganic building heat preservation material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070297974A1 (en) * 2006-06-27 2007-12-27 Teruo Henmi Method of manufacturing solid acid catalyst
CN105800820A (en) * 2014-12-31 2016-07-27 北京清大国华环境股份有限公司 Treatment method and device for silicon containing wastewater
CN106365562A (en) * 2016-08-28 2017-02-01 山东地平线建筑节能科技有限公司 Efficient energy-saving environment-friendly inorganic building heat preservation material and preparation method thereof

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Application publication date: 20171222