CN113185260A - Durable environment-friendly insulation pipe material and production process - Google Patents
Durable environment-friendly insulation pipe material and production process Download PDFInfo
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- CN113185260A CN113185260A CN202110408734.3A CN202110408734A CN113185260A CN 113185260 A CN113185260 A CN 113185260A CN 202110408734 A CN202110408734 A CN 202110408734A CN 113185260 A CN113185260 A CN 113185260A
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- 239000000463 material Substances 0.000 title claims abstract description 50
- 238000009413 insulation Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 210000002268 wool Anatomy 0.000 claims abstract description 47
- 230000002940 repellent Effects 0.000 claims abstract description 32
- 239000005871 repellent Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 29
- 239000010878 waste rock Substances 0.000 claims abstract description 25
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 235000019738 Limestone Nutrition 0.000 claims abstract description 22
- 239000004113 Sepiolite Substances 0.000 claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 22
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 239000003245 coal Substances 0.000 claims abstract description 22
- 239000010459 dolomite Substances 0.000 claims abstract description 22
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 22
- 239000006028 limestone Substances 0.000 claims abstract description 22
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 22
- 239000005011 phenolic resin Substances 0.000 claims abstract description 22
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 22
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 22
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 22
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 34
- 239000008187 granular material Substances 0.000 claims description 28
- 238000003723 Smelting Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 12
- 229920000647 polyepoxide Polymers 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 5
- 239000010436 fluorite Substances 0.000 claims description 5
- 239000011490 mineral wool Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 208000010392 Bone Fractures Diseases 0.000 abstract description 2
- 206010017076 Fracture Diseases 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a durable environment-friendly insulation pipe material and a production process, and the formula comprises: the composite material comprises basalt, coal gangue, dolomite, limestone, a phenolic resin adhesive, auxiliary materials, sepiolite wool, a water repellent, silicon dioxide and waste rock wool, wherein the components in parts by weight are as follows: 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary materials, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool; according to the invention, the selected waste rock wool is taken as one of the raw materials in the heat-insulating pipe material, and various natural forming substances are simultaneously selected as the raw materials, so that the environment is protected, meanwhile, in the preparation process, multiple extrusion forming is utilized, so that the raw materials with different properties are tightly attached, the friction force among the raw materials is increased, the risk of fracture of the heat-insulating pipe is reduced, the durability is facilitated, and the service life of the heat-insulating pipe is prolonged.
Description
Technical Field
The invention relates to the technical field of insulating tube materials, in particular to a durable environment-friendly insulating tube material and a production process thereof.
Background
The insulating tube is the short for of adiabatic pipeline, and the insulating tube is used for the transport of liquid, gas and other medium, keeps warm in the adiabatic engineering of pipelines such as petroleum, chemical industry, aerospace, central heating, central air conditioning, municipal administration, but current insulating tube is selecting the in-process of raw materials, adopts new raw materials to prepare usually, is unfavorable for the recycle of waste material, and then is unfavorable for the environmental protection, simultaneously at the in-process of preparation, because different nature between the multiple raw materials, the cracked phenomenon appears in the easy insulating tube that leads to producing and takes place between the insulating tube to the life of insulating tube has been reduced.
Disclosure of Invention
The invention aims to provide a durable environment-friendly insulation pipe material and a production process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a durable environment-friendly insulation pipe material comprises the following components in percentage by weight: the composite material comprises basalt, coal gangue, dolomite, limestone, a phenolic resin adhesive, auxiliary materials, sepiolite wool, a water repellent, silicon dioxide and waste rock wool, wherein the components in parts by weight are as follows: 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary materials, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool.
Preferably, the auxiliary material is one of diatomite and fluorite or a mixture thereof.
Preferably, the water repellent is an organic silicon rock wool water repellent.
The production process of the durable environment-friendly heat-insulating pipe material comprises the following steps: step one, weighing raw materials; step two, crushing treatment; step three, stirring and mixing; step four, smelting treatment; step five, centrifugal preparation; step six, extrusion forming; step seven, heating and softening; step eight, preparing and molding;
in the first step, respectively weighing 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary materials, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool for later use;
in the second step, the basalt, the coal gangue, the dolomite, the limestone, the auxiliary materials, the sepiolite wool, the silicon dioxide and the waste rock wool weighed in the first step are respectively crushed by a crusher to obtain granular materials for later use;
in the third step, the granules obtained in the second step are uniformly divided into a plurality of equal parts according to the capacity of the stirrer, then the granules obtained in each part are sequentially placed in the stirrer to be mixed, the time of each part of granules in each mixing is 20-30min, and then the granules mixed by stirring are collected and induced to form a mixture;
in the fourth step, the mixture obtained in the third step is placed in a smelting furnace to be smelted to obtain molten liquid;
placing the phenolic resin adhesive and the water repellent weighed in the step one into the melt, and then preparing the melt into a fiber raw material by using a centrifugal machine for later use;
in the sixth step, the fiber raw material obtained in the fifth step is formed into sheets by a cotton collecting machine, the thickness of each sheet is 0.5-1cm, then the formed sheets are stacked to form thick sheets, the thickness of each thick sheet is 2-3cm, and then the obtained thick sheets are placed in a pressing machine to be extruded and formed to obtain sheet plates;
in the seventh step, the sheet-shaped plate obtained in the sixth step is placed in a heating furnace to be heated so as to soften the sheet-shaped plate, then the softened sheet-shaped plate is pressed by a pressing machine to form a wave plate, and then the pressed wave plate is pressed;
and step eight, placing the wave plates prepared in the step seven in a heating furnace again for heating and softening treatment, stacking a plurality of wave plates together according to the required specification, extruding the wave plates into an integral flat plate by a pressurizing machine, forming the flat plate into a semi-finished product heat-insulating pipe by using a forming machine, uniformly spraying appropriate epoxy resin glue on the surface of the semi-finished product heat-insulating pipe, and obtaining the finished product heat-insulating pipe after the epoxy resin glue is completely solidified.
Preferably, in the second step, the size of the crushed particles is 2-5 cm.
Preferably, in the fourth step, the smelting temperature in the smelting furnace is 1500-.
Preferably, in the seventh step, the heating temperature in the heating furnace is 500-600 ℃.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the selected waste rock wool is taken as one of the raw materials in the heat-insulating pipe material, and various natural forming substances are simultaneously selected as the raw materials, so that the environment is protected, meanwhile, in the preparation process, multiple times of extrusion forming are utilized, so that the raw materials with different properties are favorably and closely attached, the friction force between the raw materials is increased, the risk of fracture of the heat-insulating pipe is reduced, the heat-insulating pipe is favorably durable, the service life of the heat-insulating pipe is prolonged, meanwhile, the epoxy resin glue is sprayed on the surface of the heat-insulating pipe, so that the fiber raw materials generated on the surface of the heat-insulating pipe are favorably sealed and fixed, the surface of the heat-insulating pipe is favorably leveled, and the quality of the heat-insulating pipe is improved.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention:
example 1:
a durable environment-friendly insulation pipe material comprises the following components in percentage by weight: the composite material comprises basalt, coal gangue, dolomite, limestone, a phenolic resin adhesive, auxiliary materials, sepiolite wool, a water repellent, silicon dioxide and waste rock wool, wherein the components in parts by weight are as follows: 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary material, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool, wherein the auxiliary material is one or a mixture of diatomite and fluorite, and the water repellent is an organic silicon rock wool water repellent.
The production process of the durable environment-friendly heat-insulating pipe material comprises the following steps: step one, weighing raw materials; step two, crushing treatment; step three, stirring and mixing; step four, smelting treatment; step five, centrifugal preparation; step six, extrusion forming; step seven, heating and softening; step eight, preparing and molding;
in the first step, respectively weighing 10 parts of basalt, 1 part of coal gangue, 3 parts of dolomite, 3 parts of limestone, 2 parts of phenolic resin adhesive, 4 parts of auxiliary materials, 2 parts of sepiolite wool, 1 part of water repellent, 3 parts of silicon dioxide and 5 parts of waste rock wool in parts by weight for later use;
in the second step, the basalt, the coal gangue, the dolomite, the limestone, the auxiliary materials, the sepiolite wool, the silicon dioxide and the waste rock wool weighed in the first step are respectively crushed by a crusher to obtain granular materials for later use, and the size of the crushed granular materials is 2-5 cm;
in the third step, the granules obtained in the second step are uniformly divided into a plurality of equal parts according to the capacity of the stirrer, then the granules obtained in each part are sequentially placed in the stirrer to be mixed, the time of each part of granules in each mixing is 20-30min, and then the granules mixed by stirring are collected and induced to form a mixture;
in the fourth step, the mixture obtained in the third step is placed in a smelting furnace for smelting to obtain a melt, and the smelting temperature in the smelting furnace is 1500-1600 ℃;
placing the phenolic resin adhesive and the water repellent weighed in the step one into the melt, and then preparing the melt into a fiber raw material by using a centrifugal machine for later use;
in the sixth step, the fiber raw material obtained in the fifth step is formed into sheets by a cotton collecting machine, the thickness of each sheet is 0.5-1cm, then the formed sheets are stacked to form thick sheets, the thickness of each thick sheet is 2-3cm, and then the obtained thick sheets are placed in a pressing machine to be extruded and formed to obtain sheet plates;
in the seventh step, the sheet-shaped plate obtained in the sixth step is placed in a heating furnace for heating to soften the sheet-shaped plate, the heating temperature in the heating furnace is 500-600 ℃, then the softened sheet-shaped plate is pressed by a pressing machine to form a wave plate, and then the pressed wave plate is pressed;
and step eight, placing the wave plates prepared in the step seven in a heating furnace again for heating and softening treatment, stacking a plurality of wave plates together according to the required specification, extruding the wave plates into an integral flat plate by a pressurizing machine, forming the flat plate into a semi-finished product heat-insulating pipe by using a forming machine, uniformly spraying appropriate epoxy resin glue on the surface of the semi-finished product heat-insulating pipe, and obtaining the finished product heat-insulating pipe after the epoxy resin glue is completely solidified.
Example 2:
a durable environment-friendly insulation pipe material comprises the following components in percentage by weight: the composite material comprises basalt, coal gangue, dolomite, limestone, a phenolic resin adhesive, auxiliary materials, sepiolite wool, a water repellent, silicon dioxide and waste rock wool, wherein the components in parts by weight are as follows: 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary material, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool, wherein the auxiliary material is one or a mixture of diatomite and fluorite, and the water repellent is an organic silicon rock wool water repellent.
The production process of the durable environment-friendly heat-insulating pipe material comprises the following steps: step one, weighing raw materials; step two, crushing treatment; step three, stirring and mixing; step four, smelting treatment; step five, centrifugal preparation; step six, extrusion forming; step seven, heating and softening; step eight, preparing and molding;
in the first step, firstly, respectively weighing 15 parts of basalt, 2 parts of coal gangue, 5 parts of dolomite, 5 parts of limestone, 3 parts of phenolic resin adhesive, 8 parts of auxiliary materials, 3 parts of sepiolite wool, 2 parts of water repellent, 5 parts of silicon dioxide and 8 parts of waste rock wool for later use;
in the second step, the basalt, the coal gangue, the dolomite, the limestone, the auxiliary materials, the sepiolite wool, the silicon dioxide and the waste rock wool weighed in the first step are respectively crushed by a crusher to obtain granular materials for later use, and the size of the crushed granular materials is 2-5 cm;
in the third step, the granules obtained in the second step are uniformly divided into a plurality of equal parts according to the capacity of the stirrer, then the granules obtained in each part are sequentially placed in the stirrer to be mixed, the time of each part of granules in each mixing is 20-30min, and then the granules mixed by stirring are collected and induced to form a mixture;
in the fourth step, the mixture obtained in the third step is placed in a smelting furnace for smelting to obtain a melt, and the smelting temperature in the smelting furnace is 1500-1600 ℃;
placing the phenolic resin adhesive and the water repellent weighed in the step one into the melt, and then preparing the melt into a fiber raw material by using a centrifugal machine for later use;
in the sixth step, the fiber raw material obtained in the fifth step is formed into sheets by a cotton collecting machine, the thickness of each sheet is 0.5-1cm, then the formed sheets are stacked to form thick sheets, the thickness of each thick sheet is 2-3cm, and then the obtained thick sheets are placed in a pressing machine to be extruded and formed to obtain sheet plates;
in the seventh step, the sheet-shaped plate obtained in the sixth step is placed in a heating furnace for heating to soften the sheet-shaped plate, the heating temperature in the heating furnace is 500-600 ℃, then the softened sheet-shaped plate is pressed by a pressing machine to form a wave plate, and then the pressed wave plate is pressed;
and step eight, placing the wave plates prepared in the step seven in a heating furnace again for heating and softening treatment, stacking a plurality of wave plates together according to the required specification, extruding the wave plates into an integral flat plate by a pressurizing machine, forming the flat plate into a semi-finished product heat-insulating pipe by using a forming machine, uniformly spraying appropriate epoxy resin glue on the surface of the semi-finished product heat-insulating pipe, and obtaining the finished product heat-insulating pipe after the epoxy resin glue is completely solidified.
Example 3:
a durable environment-friendly insulation pipe material comprises the following components in percentage by weight: the composite material comprises basalt, coal gangue, dolomite, limestone, a phenolic resin adhesive, auxiliary materials, sepiolite wool, a water repellent, silicon dioxide and waste rock wool, wherein the components in parts by weight are as follows: 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary material, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool, wherein the auxiliary material is one or a mixture of diatomite and fluorite, and the water repellent is an organic silicon rock wool water repellent.
The production process of the durable environment-friendly heat-insulating pipe material comprises the following steps: step one, weighing raw materials; step two, crushing treatment; step three, stirring and mixing; step four, smelting treatment; step five, centrifugal preparation; step six, extrusion forming; step seven, heating and softening; step eight, preparing and molding;
in the first step, 13 parts of basalt, 1 part of coal gangue, 3 parts of dolomite, 5 parts of limestone, 2 parts of phenolic resin adhesive, 6 parts of auxiliary materials, 2 parts of sepiolite wool, 2 parts of water repellent, 3 parts of silicon dioxide and 8 parts of waste rock wool are weighed according to parts by weight for later use;
in the second step, the basalt, the coal gangue, the dolomite, the limestone, the auxiliary materials, the sepiolite wool, the silicon dioxide and the waste rock wool weighed in the first step are respectively crushed by a crusher to obtain granular materials for later use, and the size of the crushed granular materials is 2-5 cm;
in the third step, the granules obtained in the second step are uniformly divided into a plurality of equal parts according to the capacity of the stirrer, then the granules obtained in each part are sequentially placed in the stirrer to be mixed, the time of each part of granules in each mixing is 20-30min, and then the granules mixed by stirring are collected and induced to form a mixture;
in the fourth step, the mixture obtained in the third step is placed in a smelting furnace for smelting to obtain a melt, and the smelting temperature in the smelting furnace is 1500-1600 ℃;
placing the phenolic resin adhesive and the water repellent weighed in the step one into the melt, and then preparing the melt into a fiber raw material by using a centrifugal machine for later use;
in the sixth step, the fiber raw material obtained in the fifth step is formed into sheets by a cotton collecting machine, the thickness of each sheet is 0.5-1cm, then the formed sheets are stacked to form thick sheets, the thickness of each thick sheet is 2-3cm, and then the obtained thick sheets are placed in a pressing machine to be extruded and formed to obtain sheet plates;
in the seventh step, the sheet-shaped plate obtained in the sixth step is placed in a heating furnace for heating to soften the sheet-shaped plate, the heating temperature in the heating furnace is 500-600 ℃, then the softened sheet-shaped plate is pressed by a pressing machine to form a wave plate, and then the pressed wave plate is pressed;
and step eight, placing the wave plates prepared in the step seven in a heating furnace again for heating and softening treatment, stacking a plurality of wave plates together according to the required specification, extruding the wave plates into an integral flat plate by a pressurizing machine, forming the flat plate into a semi-finished product heat-insulating pipe by using a forming machine, uniformly spraying appropriate epoxy resin glue on the surface of the semi-finished product heat-insulating pipe, and obtaining the finished product heat-insulating pipe after the epoxy resin glue is completely solidified.
The heat preservation pipes obtained in the above examples were tested separately, and the results are shown in the following table:
| coefficient of thermal conductivity | |
| Example 1 | 0.038W |
| Example 2 | 0.040W |
| Example 3 | 0.041W |
Based on the above, the invention has the advantages that the environment is protected by selecting various natural forming substances and waste rock wool as raw materials, the friction force between the raw materials is increased by utilizing multiple extrusion forming, the risk of breakage of the heat preservation pipe is reduced, the heat preservation pipe is durable, the service life of the heat preservation pipe is prolonged, and meanwhile, the epoxy resin glue is sprayed on the surface of the heat preservation pipe, so that the quality of the heat preservation pipe is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A durable environment-friendly insulation pipe material comprises the following components in percentage by weight: basalt, coal gangue, dolomite, limestone, phenolic resin adhesive, auxiliary materials, sepiolite wool, water repellent, silicon dioxide and waste rock wool, and is characterized in that: the weight parts of the components are respectively as follows: 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary materials, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool.
2. The durable, environmentally friendly insulation pipe material of claim 1, wherein: the auxiliary material is one or a mixture of diatomite and fluorite.
3. The durable, environmentally friendly insulation pipe material of claim 1, wherein: the water repellent is an organic silicon rock wool water repellent.
4. The production process of the durable environment-friendly heat-insulating pipe material comprises the following steps: step one, weighing raw materials; step two, crushing treatment; step three, stirring and mixing; step four, smelting treatment; step five, centrifugal preparation; step six, extrusion forming; step seven, heating and softening; step eight, preparing and molding; the method is characterized in that:
in the first step, respectively weighing 10-15 parts of basalt, 1-2 parts of coal gangue, 3-5 parts of dolomite, 3-5 parts of limestone, 2-3 parts of phenolic resin adhesive, 4-8 parts of auxiliary materials, 2-3 parts of sepiolite wool, 1-2 parts of water repellent, 3-5 parts of silicon dioxide and 5-8 parts of waste rock wool for later use;
in the second step, the basalt, the coal gangue, the dolomite, the limestone, the auxiliary materials, the sepiolite wool, the silicon dioxide and the waste rock wool weighed in the first step are respectively crushed by a crusher to obtain granular materials for later use;
in the third step, the granules obtained in the second step are uniformly divided into a plurality of equal parts according to the capacity of the stirrer, then the granules obtained in each part are sequentially placed in the stirrer to be mixed, the time of each part of granules in each mixing is 20-30min, and then the granules mixed by stirring are collected and induced to form a mixture;
in the fourth step, the mixture obtained in the third step is placed in a smelting furnace to be smelted to obtain molten liquid;
placing the phenolic resin adhesive and the water repellent weighed in the step one into the melt, and then preparing the melt into a fiber raw material by using a centrifugal machine for later use;
in the sixth step, the fiber raw material obtained in the fifth step is formed into sheets by a cotton collecting machine, the thickness of each sheet is 0.5-1cm, then the formed sheets are stacked to form thick sheets, the thickness of each thick sheet is 2-3cm, and then the obtained thick sheets are placed in a pressing machine to be extruded and formed to obtain sheet plates;
in the seventh step, the sheet-shaped plate obtained in the sixth step is placed in a heating furnace to be heated so as to soften the sheet-shaped plate, then the softened sheet-shaped plate is pressed by a pressing machine to form a wave plate, and then the pressed wave plate is pressed;
and step eight, placing the wave plates prepared in the step seven in a heating furnace again for heating and softening treatment, stacking a plurality of wave plates together according to the required specification, extruding the wave plates into an integral flat plate by a pressurizing machine, forming the flat plate into a semi-finished product heat-insulating pipe by using a forming machine, uniformly spraying appropriate epoxy resin glue on the surface of the semi-finished product heat-insulating pipe, and obtaining the finished product heat-insulating pipe after the epoxy resin glue is completely solidified.
5. The process for producing a durable environmental friendly insulation pipe material according to claim 4, wherein: in the second step, the size of the crushed particles is 2-5 cm.
6. The process for producing a durable environmental friendly insulation pipe material according to claim 4, wherein: in the fourth step, the smelting temperature in the smelting furnace is 1500-.
7. The process for producing a durable environmental friendly insulation pipe material according to claim 4, wherein: in the seventh step, the heating temperature in the heating furnace is 500-600 ℃.
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Application publication date: 20210730 |