CN107558279A - Waste paper fibrous insulating material and its production method - Google Patents
Waste paper fibrous insulating material and its production method Download PDFInfo
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- CN107558279A CN107558279A CN201710949719.3A CN201710949719A CN107558279A CN 107558279 A CN107558279 A CN 107558279A CN 201710949719 A CN201710949719 A CN 201710949719A CN 107558279 A CN107558279 A CN 107558279A
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- waste
- paper
- fiber
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- thickener
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
A kind of waste paper fibrous insulating material, is the elastic composite rich in closed porosity network structure being made up of waste and old paper fiber, inorganic combustion inhibitor and a variety of refractory fibrous materials, and the ratio of weight and number of its various composition is：Waste and old paper fiber 20~24, high silica fiber 12~15, superfine alkali free glass fibre 14~16, alumina silicate fibre 5~7, inorganic combustion inhibitor 28~30, debonding agent 0.6~1.0, thickener 13~15.Its production method includes：The recovery of waste and old paper fiber and the selection of refractory fibrous material；The immersion treatment of waste and old paper fiber and thickener；Debonding agent, fire retardant, thickener are sequentially added, breaks into paper pulp；Other fibers are sequentially added into paper pulp；Transferred through material strip, vacuum dehydration, drying, shaping, cutting, packaging.The present invention can make the surface more smooth and beautiful appearance of product, using waste and old paper fiber, twice laid, without asbestos component in product, more meet environmental requirement, copied using vacuum and follow the example of saving of work and time, automaticity is high.
Description
Technical field
The present invention relates to a kind of fiber composite insulated heat-barrier material of waste paper and its production method.Specifically, it is of the invention
It is related to one kind and raw material (junk regeneration) is done with waste and old paper fiber, one kind is produced without asbestos component, suitable for ship, warship
The heat preserving and insulating material and its Quick production method of the high-temperature service and heat distribution pipeline of ship and nuclear equipment device.
Background technology
The insulation material in China experienced from hard to soft, soft to arrive micropore, the process from single to compound.In soft
Alumina silicate and mineral wool have the advantages of heatproof, moisture resistance properties are good, but its fiber stimulates human body, pollution environment, is particularly pacifying
The problem of endangering workmen's health when dress and maintenance, does not solve so far.Silicate product is soft compound and has netted
Micropore, heat-insulating property are again preferable, but material contains asbestos in itself.So at home one was completely forbidden in 2009 to 2011
Shipbuilding industry use is cut, shipbuilding industry only continues to use alumina silicate and mineral wool, although shipyard and shipwright are unwilling, but
Without other available insulation materials.Therefore, the shipbuilding industry in China needs a kind of heat-insulating property and rebound degree is good, temperature in use
High and Determination of Asbestos must reach LS022262-1：The insulation material of 2012 standards.Particularly China's ship of war in recent years
Fast development, it is desirable to reach all production domesticization, heat preserving and insulating material is also a great problem for needing to solve.
At present, environmental issue allows countries in the world to be paid attention to.The recycling of waste paper advantageously reduces pollution, economized on resources
With the energy, while huge economic benefit and environmental benefit can be produced.China is the production and consumption big country of paper product, and waste paper
Utilization rate only has 30~40% (some national waste paper recovery utilization rates are more than 80% at present), particularly to old newsprint and
The utilization rate of school printing house stationery leftover pieces is lower, is not utilized as more producing heat preserving and insulating material.
The content of the invention
It is an object of the invention to waste and old paper fiber (junk regeneration) for raw material, there is provided it is a kind of without asbestos into
Divide, thermal and insulating performance and rebound degree are good, use environment temperature is high, are set especially suitable for shipbuilding industry and nuclear reactor plant high temperature
Standby and heat distribution pipeline heat preserving and insulating material and its production method of quick saving of labor.
The purpose of the present invention is realized by the technical scheme of following record.
A kind of waste paper fibrous insulating material, it is by waste and old paper fiber, inorganic combustion inhibitor and a variety of refractory fibrous material structures
Into the elastic composite rich in closed porosity network structure, the ratio of weight and number of its various composition is：Waste and old paper fiber 20
~24, high silica fiber (can make product soft and (more than 1500 DEG C, its dioxide-containing silica >=96%, be pollution-free to high temperature resistant
Non-asbestos product) 12~15, superfine alkali free glass fibre (can make product alkali resistant soft, increase tensile strength, its fiber is to human body
It is harmless) 14~16, alumina silicate fibre (product high temperature resistant can be made, its amount containing Aluminum is more than 85%, resistance to temperature >=1200 DEG C, slag ball
Content≤1%) 5~7, inorganic combustion inhibitor 28~30, debonding agent 0.6~1.0, thickener 13~15；The waste and old paper fiber is
Refer to any of old newsprint, useless stationery, useless toilet paper or the waste leftover material in paper mill or its mixture；It is described inorganic fire-retarded
Agent is Firebrake ZB (nontoxic, pollution-free, low cigarette, high heat stability, halogen-free, efficient flame-retarding agent)；The debonding agent is butanedioic acid two
Pungent fat sodium sulfonate；The thickener is lithium magnesium silicate.
A kind of production method of waste paper fibrous insulating material, including following process：(1) recovery of waste and old paper fiber and more
The selection of kind refractory fibrous material；(2) waste and old paper fiber and the immersion treatment of thickener, wherein waste and old paper fiber and 10-15 times
The mixture of drinking water composition soak more than 12 hours, thickener (80-100 times of water) immersion (can make slurry in more than 24 hours
Expect homogeneous, do not precipitate)；(3) debonding agent, inorganic combustion inhibitor, the thickener soaked are sequentially added in the waste and old paper fiber of immersion,
Break into paper pulp；(4) other fibers (high silica fiber, superfine alkali free glass fibre, alumina silicate fibre) are sequentially added into paper pulp,
Continue mashing more than 30 minutes；(5) copy to follow the example of using vacuum and make the soft felt of section bar：The slurry inflow vacuum accomplished fluently is copied to the material for taking machine
Band, for no reason long wet base is made, transferred through material strip, vacuum dehydration, drying, shaping, cutting, packaging.
To increase the intensity of product, also dry strength agent being added during mashing, (paper making additive, Shandong Zibo are made
Paper auxiliary reagent factory produces).
The present invention has following four advantage compared with prior art：
Thickener is lithium magnesium silicate, and instead of water-based bentonite, thickening property is good, can significantly improve the suspension of slurry, can make
The surface of product more smooth and beautiful appearance.
Using waste and old paper fiber, twice laid, beneficial to environmental protection, material is easy to get.
Without asbestos component in product, more meet environmental requirement.
Copy to follow the example of using vacuum and make section bar soft felt (it is circulation transmission that vacuum, which is copied and takes the material strip of machine, is made above
Wet base is for no reason long, is that continuously, last product is according to the size cutting being actually needed and packaging), instead of
Traditional mould method (mould method is the mould Batch Process of a mould one, less efficient), saving of work and time, automaticity are high.
Continuous production is more much higher than the efficiency of Batch Process.
Embodiment
The present invention described further below.
22 kilograms of the old newsprint shredded is soaked 13 hours with 250 kilograms of drinking water, thickener lithium magnesium silicate 14 is public
Jin soaks 25 hours (can make slurry homogeneous, do not precipitate) with 1200 kilograms of drinking water, gets out 13 kilograms of high silica fiber, surpasses
Thin 15 kilograms of alkali-free glass fibre, 6 kilograms of alumina silicate fibre, 29 kilograms of inorganic combustion inhibitor (Firebrake ZB), debonding agent (butanedioic acid two
Pungent fat sodium sulfonate) 0.8 kilogram it is standby.
The debonding agent of above-mentioned weight, inorganic resistance are sequentially added in the old newsprint of immersion 13 hours and the mixture of drinking water
Combustion agent, the thickener soaked, break into paper pulp (60 minutes)；Other fibers that above-mentioned weight is sequentially added into paper pulp are (high
Silica fiber, superfine alkali free glass fibre, alumina silicate fibre), continue mashing more than 30 minutes.Suitable control is answered to stir in stirring
Speed, principle are to make not interrupt fiber because speed is too high, also not because speed is too low can not be fully dispersed.
(automatic stream slurry) vacuum is utilized to copy to follow the example of and make the heat-insulated soft felt of section bar：The above-mentioned paper pulp stream accomplished fluently is entered to the hair of material strip
On blanket cloth, woollen blanket cloth is provided with vacuum tank below, and paper pulp progress vacuum is copied and takes dehydration, with the slow rotation (0.1- of material strip
0.3 m/min), wet base is shifted into new drying kiln roasting (can also use more environmentally friendly microwave drying or infrared baking),
Kiln has 60 meters long (in-furnace temperature is controlled at 120~180 DEG C), so ensures that the drying time of abundance.Then according to institute
Size is needed by for no reason long paper pulp felt (heat-insulated soft felt) shaping, cutting, packaging as finished product.
Automatic stream slurry vacuum, which is copied, follows the example of production waste paper fibrous insulating material, saving of work and time, and production efficiency is high.
It is described above, it is only the present invention preferably one of embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (2)
1. a kind of waste paper fibrous insulating material, it is made up of waste and old paper fiber, inorganic combustion inhibitor and a variety of refractory fibrous materials
The elastic composite rich in closed porosity network structure, it is characterised in that the ratio of weight and number of its various composition is：It is waste and old
It is paper fiber 20~24, high silica fiber 12~15, superfine alkali free glass fibre 14~16, alumina silicate fibre 5~7, inorganic fire-retarded
Agent 28~30, debonding agent 0.6~1.0, thickener 13~15；The waste and old paper fiber refers to old newsprint, useless stationery, useless health
Any of paper or the waste leftover material in paper mill or its mixture；The inorganic combustion inhibitor is Firebrake ZB；The debonding agent is
Butanedioic acid dibutyl ester sodium sulfonate；The thickener is lithium magnesium silicate.
2. according to a kind of production method of waste paper fibrous insulating material described in claim 1, it is characterised in that：Including
(1) recovery of waste and old paper fiber and the selection of a variety of refractory fibrous materials；
(2) waste and old paper fiber and the immersion treatment of thickener, wherein waste and old paper fiber and the mixture immersion 12 of drinking water composition
More than hour, thickener soaks more than 24 hours；
(3) debonding agent, inorganic combustion inhibitor, the thickener soaked are sequentially added in the waste and old paper fiber of immersion, breaks into paper pulp；
(4) other fibers (high silica fiber, superfine alkali free glass fibre, alumina silicate fibre) are sequentially added into paper pulp, are continued
Mashing；
(5) copy to follow the example of using vacuum and make the soft felt of section bar：The slurry inflow vacuum accomplished fluently is copied to the material strip for taking machine, is made what is grown for no reason
Wet base, transferred by material strip, vacuum dehydration, drying, shaping, cutting, packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949719.3A CN107558279A (en) | 2017-09-29 | 2017-09-29 | Waste paper fibrous insulating material and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949719.3A CN107558279A (en) | 2017-09-29 | 2017-09-29 | Waste paper fibrous insulating material and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107558279A true CN107558279A (en) | 2018-01-09 |
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ID=60984101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710949719.3A Pending CN107558279A (en) | 2017-09-29 | 2017-09-29 | Waste paper fibrous insulating material and its production method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107558279A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112513371A (en) * | 2018-08-03 | 2021-03-16 | 圣戈班伊索福公司 | Method for producing a panel or mat by wet method, product produced by the method and use of the product produced by the method |
-
2017
- 2017-09-29 CN CN201710949719.3A patent/CN107558279A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112513371A (en) * | 2018-08-03 | 2021-03-16 | 圣戈班伊索福公司 | Method for producing a panel or mat by wet method, product produced by the method and use of the product produced by the method |
| CN112513371B (en) * | 2018-08-03 | 2023-12-15 | 圣戈班伊索福公司 | Method for producing a board or mat by wet process, product produced by the method |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180109 |
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| WD01 | Invention patent application deemed withdrawn after publication |