CN103104782A - Manufacturing method of heat preservation pipeline - Google Patents

Manufacturing method of heat preservation pipeline Download PDF

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CN103104782A
CN103104782A CN2013100295291A CN201310029529A CN103104782A CN 103104782 A CN103104782 A CN 103104782A CN 2013100295291 A CN2013100295291 A CN 2013100295291A CN 201310029529 A CN201310029529 A CN 201310029529A CN 103104782 A CN103104782 A CN 103104782A
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mineral
organic solvent
particle
pipeline
thermal insulation
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CN103104782B (en
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张晶
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JIANGSU HONGHE NEW MATERIAL TECHNOLOGY Co Ltd
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Abstract

The invention relates to a manufacturing method of a heat preservation pipeline and aims to provide the manufacturing method of the heat preservation pipeline, wherein the method is low in production cost, low in energy consumption, extremely low in heat conductivity coefficient, capable of greatly blocking heat conduction and achieving heat preservation and energy conservation of a pipeline, and extremely prominent in heat preservation effect. The method comprises the steps of crushing mineral materials to mineral powders through a high-pressure roll-in device, preparing the mineral powders with water to mineral serous fluids with solids accounting for 65%-72% by weight, simultaneously adding alkali compounds with sodion, processing the mineral serous fluids in a super micro and refine mode to superfine particles, distributing D90 particle size under 1 micrometer, conveying the mineral serous fluids into a pneumatic drier to dewater and dry the mineral serous fluids, obtaining the mineral powders, adding organic solvents into the mineral powders, preparing the mineral powders with the organic solvents to mineral organic solvent serous fluids with solids of 30%-60% by weight, and sending the mineral organic solvent serous fluids into a vacuum recovery dehydration device to carry out vacuum inner blasting and crushing.

Description

The making method of insulation pipe
Technical field
The present invention relates to a kind of making method of insulation pipe.
Background technique
China is the country of an energy relative shortage, but the energy consumption of the per GDP output value exceeds 4-6 doubly than developed country.In industrial field, building field, daily life, the insulation of pipeline is often to need the problem faced, no matter be industrial thermal pipe, petroleum transportation pipeline, hot duct, air-conditioning duct etc., none does not need insulation to process, and in the pipe insulation material that uses at present, that thermal conductivity is large or be combustible, the most frequently used asbestos, rock wool, glass fibre, aluminum silicate fiber, not only thermal insulation property is bad but also belong to a class and two class carcinogens.Introducing according to the insiders, if use combustion performance to be the material of A level without exception in pipeline heat-insulating system, reach again very high thermal insulation property simultaneously, can't be a class and two class carcinogens simultaneously, and the market of domestic pipe insulation material will almost become blank.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of cost of production low, less energy consumption has extremely low thermal conductivity, can greatly block the heat conduction, realizes that pipeline heat insulation is energy-conservation, and heat insulation effect is the making method of outstanding insulation pipe very.
The making method of insulation pipe of the present invention, it comprises the steps:
A, preparation mineral material, then mineral material is broken into mineral powder below 2 millimeters by the high pressure roller pressure device, again mineral powder water furnishing solid weight is accounted for the mineral slurry of 65-72%, add simultaneously the alkaline compound that contains sodium ion, slurries neutral and alkali compounds content is 0.01-0.05%, and mineral slurry neutral and alkali compound can improve the dispersiveness of particle in water;
B, the mineral slurry that steps A is obtained are carried out the ultra micro refinement and are treated as fine particle, and the D90 size distribution is below 1 micron;
C, the mineral slurry input pneumatic drier that step B is obtained dehydrate, and obtain mineral powder;
D, add organic solvent in the mineral powder that step C obtains, mineral powder is accounted for the mineral organic solvent slurries of 40-70% with organic solvent furnishing solid weight;
The vacuum of sending into E, the mineral organic solvent slurries that step D is obtained reclaims in dewatering unit, carry out the vacuum implosion broken, and recovery organic solvent, because the organic solvent slurry temperature raises rapidly, be in vacuum state in addition, solvent volume expands rapidly, and mineral powder granules is nano particle by secondary refinement disintegration, and the D90 size distribution reaches below 0.15 micron;
F, the nano particle that step D is obtained, be sent in the nanometer segregating unit, with the particle separation below 0.07 micron out, in the process of separating, due to the high-speed friction between particle, the sharp comer of particle is passivated, and has increased the voids between the particle contact, obtains the inorganic building thermal insulation material of high-efficient energy-saving environment friendly after separation;
G, add the inorganic material with infrared external reflection characteristic in the inorganic building thermal insulation material of the high-efficient energy-saving environment friendly that step F obtains;
H, cleaning requirement coat corrosion thing and the dust impurity of the pipe surface of thermal insulating material, the inorganic adhesive of pipe surface spary one deck that was then cleaning;
I, from the end of pipeline that needs coat thermal insulating material, the inorganic building thermal insulation material of the high-efficient energy-saving environment friendly that utilizes F or G to obtain coats pipeline, due in advance at the pipe surface spary inorganic adhesive, so can form strong adhesive layer between the bottom of the inorganic building thermal insulation material of high-efficient energy-saving environment friendly and pipeline, make both secure bond together;
J, after the insulation of completing a segment pipe; the insulation pipe producing device can be displaced to backward a new segment pipe surperficial; begin to repeat above-mentioned operation process; make until complete the thermal insulation layer of whole pipeline; afterwards; outer surface spraying one layer of polymeric cement at thermal insulation layer plays the impact-resistant effect of protection thermal insulation layer, and whole insulation pipe completes.
The making method of insulation pipe of the present invention, mineral material described in wherein said steps A is the combination of any one or its arbitrary proportion in magnesite or white clay or calcite or silicious marl or smectite, and the described alkaline compound that contains sodium ion comprises sodium hydroxide or sodium carbonate or sodium bicarbonate; Organic solvent in described step D comprises ethanol or methyl alcohol or acetone.
The making method of insulation pipe of the present invention, the inorganic material that has the infrared external reflection characteristic in wherein said step G comprises rutile or anatase or zircon; Described step G comprises that also middle inorganic material and the inorganic building thermal insulation material of high-efficient energy-saving environment friendly that utilizes the static combination process allow to have the infrared external reflection characteristic is compound.
Compared with prior art beneficial effect of the present invention is:
The making method of insulation pipe of the present invention adopts the distinctive composition and engineering step of the present invention, the inorganic building thermal insulation material of the high-efficient energy-saving environment friendly that produces, has extremely low thermal conductivity, can greatly block the heat conduction, realize that pipeline heat insulation is energy-conservation, heat insulation effect is very outstanding.In addition, the cost of production of the making method of insulation pipe of the present invention is low, less energy consumption.Therefore, the making method of insulation pipe of the present invention possesses outstanding substantive distinguishing features and significant progressive.The popularization of the technology of the present invention with greatly alleviating the present situation of China's energy scarcity and day by day serious environmental pollution problem, is established new standard to China's pipe insulation material.
Embodiment
The below is described in further detail the making method embodiment of insulation pipe of the present invention.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
The present invention is applied in technology and nanometer stripping technique that mechanical approach prepares nanometer material in the treatment process of mineral material, its result is exactly to allow orderly reunion of series of physical subsequently carry out under the nanometer metrical scale, final form the nano-particle material with nanometer voids, thus the thermal insulation property of obtaining and physical property good thermal insulating material all.The technological scheme that realizes above-mentioned purpose is:
the mineral material that needs are processed is at first through a high pressure roller pressure device, mineral material is broken into powder below 2 millimeters, then with the slurry of these powder water furnishing solid contents 65-72%, add simultaneously a kind of alkaline compound that contains sodium ion, as sodium hydroxide, sodium carbonate, sodium bicarbonate, the alkaline compound that contains sodium ion can play and improve the dispersiveness of particle in water, then carry out the ultra micro micronization processes, passed through in advance the pressure of high pressure roller pressure device due to mineral material, inside is subject to the effect of high pressure stress, each mineral material particles inside has a lot of stress defectives, become a kind of microscopic crack, when these particles enter into processing equipment, shearing, extruding, collisions etc. are ground under the effect of mechanism, the suffered stress of particle further increases, the internal tiny crack disintegration, greatly improved grinding efficiency, become fine particle by ultra-fine, the D90 size distribution is below 1 micron.After above-mentioned steps is completed, material is transported into pneumatic drier and dehydrates, then add organic solvent (as ethanol, methyl alcohol, acetone) in dried powders material, enter again and carry out further micronization processes in the nanometered disposal device, in the thinning process of particle, organic solvent penetrates in microscopic crack and little cleavage surface, further disintegration refinement particle.After this step completed, slurry entered vacuum and reclaims in dewatering unit, reclaims organic solvent, because temperature raises rapidly, is in vacuum state in addition, and solvent volume expands rapidly, and particle will be by secondary refinement disintegration, and the D90 size distribution reaches below 0.15 micron.With above-mentioned nano particle of finishing dealing with, enter into the nanometer segregating unit, with the particle separation below 0.07 micron out, due to the high-speed friction between particle, the sharp comer of particle is passivated, increase the voids between the particle contact, so just completed the basic material preparation of thermal insulating material.
Utilize above-mentioned basic material, enter into the static equipment complex, be metered into again some inorganic material with infrared external reflection characteristic (for example rutile, anatase, zircon), due to the effect of surface charge, above-mentioned basic material will evenly wrap up and be compounded in the surface that these have the inorganic material of infrared external reflection characteristic.
Embodiment 1
The making method of insulation pipe of the present invention, it comprises the steps:
A, preparation mineral material, then mineral material is broken into mineral powder below 2 millimeters by the high pressure roller pressure device, again mineral powder water furnishing solid weight is accounted for 65% or 68% or 70% or 71% or 72% mineral slurry, add simultaneously the alkaline compound that contains sodium ion, slurries neutral and alkali compounds content (weight) is 0.01% or 0.02% or 0.03% or 0.04% or 0.05%, and mineral slurry neutral and alkali compound can improve the dispersiveness of particle in water;
B, the mineral slurry that steps A is obtained are carried out the ultra micro refinement and are treated as fine particle, and the D90 size distribution is below 1 micron;
C, the mineral slurry input pneumatic drier that step B is obtained dehydrate, and obtain mineral powder;
D, add organic solvent in the mineral powder that step C obtains, mineral powder is accounted for 40% or 45% or 50% or 55% or 60% or 65% or 70% mineral organic solvent slurries with organic solvent furnishing solid weight;
The vacuum of sending into E, the mineral organic solvent slurries that step D is obtained reclaims in dewatering unit, carry out the vacuum implosion broken, and recovery organic solvent, because the organic solvent slurry temperature raises rapidly, be in vacuum state in addition, solvent volume expands rapidly, and mineral powder granules is nano particle by secondary refinement disintegration, and the D90 size distribution reaches below 0.15 micron;
F, the nano particle that step D is obtained, be sent in the nanometer segregating unit, with the particle separation below 0.07 micron out, in the process of separating, due to the high-speed friction between particle, the sharp comer of particle is passivated, and has increased the voids between the particle contact, obtains the inorganic building thermal insulation material of high-efficient energy-saving environment friendly after separation;
G, add the inorganic material with infrared external reflection characteristic in the inorganic building thermal insulation material of the high-efficient energy-saving environment friendly that step F obtains;
H, cleaning requirement coat corrosion thing and the dust impurity of the pipe surface of thermal insulating material, the inorganic adhesive of pipe surface spary one deck that was then cleaning;
I, from the end of pipeline that needs coat thermal insulating material, the inorganic building thermal insulation material of the high-efficient energy-saving environment friendly that utilizes F or G to obtain coats pipeline, due in advance at the pipe surface spary inorganic adhesive, so can form strong adhesive layer between the bottom of the inorganic building thermal insulation material of high-efficient energy-saving environment friendly and pipeline, make both secure bond together;
J, after the insulation of completing a segment pipe; the insulation pipe producing device can be displaced to backward a new segment pipe surperficial; begin to repeat above-mentioned operation process; make until complete the thermal insulation layer of whole pipeline; afterwards; outer surface spraying one layer of polymeric cement at thermal insulation layer plays the impact-resistant effect of protection thermal insulation layer, and whole insulation pipe completes.
Above-mentioned steps A Minerals material is the combination of any one or its arbitrary proportion in magnesite or white clay or calcite or silicious marl or smectite, and the alkaline compound that contains sodium ion comprises sodium hydroxide or sodium carbonate or sodium bicarbonate; Organic solvent in step D comprises ethanol or methyl alcohol or acetone.The inorganic material that has the infrared external reflection characteristic in described step G comprises rutile or anatase or zircon; Described step G comprises that also middle inorganic material and the inorganic building thermal insulation material of high-efficient energy-saving environment friendly that utilizes the static combination process allow to have the infrared external reflection characteristic is compound.
Detect comparative trial 1:
Get 100 meters of 1/2 cun stainless steel pipeline, above-mentioned thermal insulating material is sent into covered device, pipeline is carried out heat preservation construction, the thickness of thermal insulating material is 2cm, outer spraying polymer cement.After completing, Stainless Steel Tube is put into the groove that arranges in advance, the pipe surrounding covers the ice cube of-25 ℃ that the low temperature ice making machine is made, and then passes into the hot water of 90 ℃ in stainless steel pipeline, and through circulation in 40 minutes, outlet temperature was 83 ℃.
Contrast test: adopt the aluminum silicate fiber of thick 2cm Stainless Steel Tube to be incubated processing, outer spraying polymer cement.After completing, Stainless Steel Tube is put into the groove that arranges in advance, the pipe surrounding covers the ice cube of-25 ℃ that the low temperature ice making machine is made, and then passes into the hot water of 90 ℃ in stainless steel pipeline, and through circulation in 40 minutes, outlet temperature was 27 ℃.
Detect comparative trial 2:
Get 100 meters of 1/2 cun stainless steel pipeline, above-mentioned thermal insulating material is sent into covered device, pipeline is carried out heat preservation construction, the thickness of thermal insulating material is 2cm, outer spraying polymer cement.After completing, Stainless Steel Tube is put into the groove that arranges in advance, passed into the hot blast of 70 ℃ in groove, then pass into the cold water of 8 ℃ of handpiece Water Chilling Units preparation in stainless steel pipeline, through circulation in 60 minutes, outlet temperature was 8.3 ℃.
Contrast test: adopt the aluminum silicate fiber of thick 2cm Stainless Steel Tube to be incubated processing, outer spraying polymer cement.After completing, Stainless Steel Tube is put into the groove that arranges in advance, passed into the hot blast of 70 ℃ in groove, then pass into the cold water of 8 ℃ of handpiece Water Chilling Units preparation in stainless steel pipeline, through circulation in 60 minutes, outlet temperature was 34 ℃.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.

Claims (3)

1. the making method of insulation pipe, is characterized in that comprising the steps:
A, preparation mineral material, then mineral material is broken into mineral powder below 2 millimeters by the high pressure roller pressure device, again mineral powder water furnishing solid weight is accounted for the mineral slurry of 65-72%, add simultaneously the alkaline compound that contains sodium ion, slurries neutral and alkali compounds content is 0.01-0.05%, and mineral slurry neutral and alkali compound can improve the dispersiveness of particle in water;
B, the mineral slurry that steps A is obtained are carried out the ultra micro refinement and are treated as fine particle, and the D90 size distribution is below 1 micron;
C, the mineral slurry input pneumatic drier that step B is obtained dehydrate, and obtain mineral powder;
D, add organic solvent in the mineral powder that step C obtains, mineral powder is accounted for the mineral organic solvent slurries of 40-70% with organic solvent furnishing solid weight;
The vacuum of sending into E, the mineral organic solvent slurries that step D is obtained reclaims in dewatering unit, carry out the vacuum implosion broken, and recovery organic solvent, because the organic solvent slurry temperature raises rapidly, be in vacuum state in addition, solvent volume expands rapidly, and mineral powder granules is nano particle by secondary refinement disintegration, and the D90 size distribution reaches below 0.15 micron;
F, the nano particle that step D is obtained, be sent in the nanometer segregating unit, with the particle separation below 0.07 micron out, in the process of separating, due to the high-speed friction between particle, the sharp comer of particle is passivated, and has increased the voids between the particle contact, obtains the inorganic building thermal insulation material of high-efficient energy-saving environment friendly after separation;
G, add the inorganic material with infrared external reflection characteristic in the inorganic building thermal insulation material of the high-efficient energy-saving environment friendly that step F obtains;
H, cleaning requirement coat corrosion thing and the dust impurity of the pipe surface of thermal insulating material, the inorganic adhesive of pipe surface spary one deck that was then cleaning;
I, from the end of pipeline that needs coat thermal insulating material, the inorganic building thermal insulation material of the high-efficient energy-saving environment friendly that utilizes F or G to obtain coats pipeline, due in advance at the pipe surface spary inorganic adhesive, so can form strong adhesive layer between the bottom of the inorganic building thermal insulation material of high-efficient energy-saving environment friendly and pipeline, make both secure bond together;
J, after the insulation of completing a segment pipe; the insulation pipe producing device can be displaced to backward a new segment pipe surperficial; begin to repeat above-mentioned operation process; make until complete the thermal insulation layer of whole pipeline; afterwards; outer surface spraying one layer of polymeric cement at thermal insulation layer plays the impact-resistant effect of protection thermal insulation layer, and whole insulation pipe completes.
2. the making method of insulation pipe according to claim 1, it is characterized in that: mineral material described in described steps A is the combination of any one or its arbitrary proportion in magnesite or white clay or calcite or silicious marl or smectite, and the described alkaline compound that contains sodium ion comprises sodium hydroxide or sodium carbonate or sodium bicarbonate; Organic solvent in described step D comprises ethanol or methyl alcohol or acetone.
3. the making method of insulation pipe according to claim 2, it is characterized in that: the inorganic material that has the infrared external reflection characteristic in described step G comprises rutile or anatase or zircon; Described step G comprises that also middle inorganic material and the inorganic building thermal insulation material of high-efficient energy-saving environment friendly that utilizes the static combination process allow to have the infrared external reflection characteristic is compound.
CN201310029529.1A 2013-01-28 2013-01-28 Manufacturing method of heat preservation pipeline Active CN103104782B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738355A (en) * 2016-12-27 2017-05-31 深圳凯达通光电科技有限公司 A kind of practical building thermal insulation material processing system of structure
CN108275967A (en) * 2017-12-29 2018-07-13 毕舒 A kind of heat-preserving complex material and its preparation method and application
CN108455888A (en) * 2017-12-29 2018-08-28 毕舒 A kind of external wall insulation and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998032707A2 (en) * 1997-01-27 1998-07-30 Elpotek Oy Method for obtaining insulating material from mineral fibres, and device and facility for forming products obtained according to same
JP2001220211A (en) * 2000-02-10 2001-08-14 Otsuka Chem Co Ltd Heat insulation material and heat insulation material composition
CN1995250A (en) * 2006-01-04 2007-07-11 北京国邦技术发展中心 Thermostable heat-isolating coating and its preparation method
CN101550244A (en) * 2009-03-11 2009-10-07 暨南大学 Composite soft heat insulating material, preparation method and applications thereof
CN102229774A (en) * 2011-06-04 2011-11-02 广东海洋大学 Compound type heat insulation architectural coating and production method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998032707A2 (en) * 1997-01-27 1998-07-30 Elpotek Oy Method for obtaining insulating material from mineral fibres, and device and facility for forming products obtained according to same
JP2001220211A (en) * 2000-02-10 2001-08-14 Otsuka Chem Co Ltd Heat insulation material and heat insulation material composition
CN1995250A (en) * 2006-01-04 2007-07-11 北京国邦技术发展中心 Thermostable heat-isolating coating and its preparation method
CN101550244A (en) * 2009-03-11 2009-10-07 暨南大学 Composite soft heat insulating material, preparation method and applications thereof
CN102229774A (en) * 2011-06-04 2011-11-02 广东海洋大学 Compound type heat insulation architectural coating and production method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738355A (en) * 2016-12-27 2017-05-31 深圳凯达通光电科技有限公司 A kind of practical building thermal insulation material processing system of structure
CN106738355B (en) * 2016-12-27 2019-03-01 浙江卡森建设有限公司 A kind of building thermal insulation material processing system that structure is practical
CN108275967A (en) * 2017-12-29 2018-07-13 毕舒 A kind of heat-preserving complex material and its preparation method and application
CN108455888A (en) * 2017-12-29 2018-08-28 毕舒 A kind of external wall insulation and preparation method thereof

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