CN103319098B - A kind of method utilizing pulping and paper-making white clay to produce glass fibre - Google Patents
A kind of method utilizing pulping and paper-making white clay to produce glass fibre Download PDFInfo
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- CN103319098B CN103319098B CN201310236165.4A CN201310236165A CN103319098B CN 103319098 B CN103319098 B CN 103319098B CN 201310236165 A CN201310236165 A CN 201310236165A CN 103319098 B CN103319098 B CN 103319098B
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- 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
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- 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
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Abstract
The invention discloses a kind of method utilizing pulping and paper-making white clay to produce glass fibre, comprise the following steps: the process of pulping and paper-making white clay: add water white clay stirring, make it dispersed and dilute, after removing big particle, carrying out filtering, concentrating to obtain dehydration white clay; At 900 ~ 950 DEG C, burning of lime sludge thing is calcined to obtain after being dried by dehydration white clay; Following weight parts component is mixed: agalmatolite 50 parts ~ 60 parts, white afrodite 8 parts ~ 10 parts, rhombspar 5 parts ~ 8 parts, burning of lime sludge thing 8 parts ~ 10 parts, kaolin 15 parts ~ 25 parts, borocalcite 7 parts ~ 10 parts, albite 4 parts ~ 6 parts; After high temperature melting makes glass metal, make glass fibre through wire-drawing shape.The present invention not only solves white clay land and processes the environmental pollution and land seizure problem that cause, simultaneously also by white clay recycling, decrease glass fiber industry to the exploitation of natural limestone resource and consumption, the cost that glass fibre manufactures can be reduced, there is obvious environmental benefit and economic benefit.
Description
Technical field
The present invention relates to one and pulping and paper-making alkali collection causticization white clay is carried out Treatment and recovery utilization, as the method for glass fibre production raw material, belong to glass fibre production technical field, be specifically related to a kind of method utilizing pulping and paper-making white clay to produce glass fibre.
Background technology
White clay is a kind of solid waste produced after chemical recovery system process by the waste water of chemical pulping (being also black liquor).In order to prevent the pollution of the environment, generally all adopt alkali recovery technology ripe at present to process at pulp mill's black liquor, being carried out burning by the organism in black liquor utilizes heat energy and the caustic soda (NaOH) of recyclable slurrying consumption.The chemical recovery system process pollutent of pulp mill 90%, but the white clay waste that also can produce a large amount of (about 0.8 ton of white clay/1 ton paper pulp).The main component of white clay is calcium carbonate (CaCO
3), its state is paste, water ratio about 40%.White clay amount is large, just starts the utilization of white clay, the secondary pollution produced to prevent it as far back as 20 middle of century pulp mills.Traditional method calcium oxide (a kind of raw material of chemical recovery system) prepared by burning of lime sludge to carry out reuse.But with non-wood-fiber (as bamboo, straw, wheat straw and reed etc.) for silicon (SiO in the white clay of the pulp mill of raw material
2) content high (10 times that can reach wood pulp factory white clay silicone content even higher), make difficulty and the added cost of burning of lime sludge reuse; And add the silicone content reclaimed in alkali, if recycling, recycle, the silicon obstacle of alkali collection certainly will be aggravated, produce vicious cycle, so that alkali collection normally cannot run, so the white clay of most non-wood pulp enterprise is not recycled by the method for calcining.For many years, people, for white clay main component and character thereof, have carried out the research work in multiple field to the comprehensive utilization technique of non-wood pulp white clay.Such as, white clay is used for oil field, paves the way, or for the additive of coating, plastics etc., but consumption is limited, and the value of exploitation is little, and it is larger to be limited by other industry degree.White clay is carried out refine and be processed into calcium carbonate, fill out as adding in paper-making process, but the degree of cleaning of product, crystal shape and size still can not meet the requirement of papermaking filler.In view of this, although about the research of white clay many, due to reasons such as technical problem, Cost Problems or consumption are very few, white clay is not effectively utilized.At present, the mode that most white clay can only adopt air storage or land to bury is disposed, and has both caused the secondary pollution of environment, has wasted again a large amount of Calcium Carbonate resources, enterprise must pay huge effluent charge, and white clay is administered just becomes many enterprises difficult problem in the urgent need to address.Using white clay as the raw material producing glass fibre, solve the white clay puzzlement problem of enterprises in pulp and paper industry, alleviate environmental pollution; The consumption of glass fiber industry to natural calcium resource can also be reduced, there is obvious environmental benefit and economic benefit.
Summary of the invention
In order to solve the environmental pollution and land seizure problem that in prior art, white clay waste causes, the invention provides a kind of method utilizing pulping and paper-making white clay to produce glass fibre.
In order to solve above-mentioned technical problem, the present invention takes following technical scheme:
Utilize pulping and paper-making white clay to produce a method for glass fibre, comprise the following steps:
Step one: the process of pulping and paper-making white clay: add water white clay stirring, makes it dispersed and dilute, after removing big particle, carries out filtering, concentrating to remove the moisture in white clay, obtains dehydration white clay; Being dried by dehydration white clay to moisture content is calcine at 900 ~ 950 DEG C after less than 2%, and collect calcinate and grind to obtain burning of lime sludge thing, its main component is calcium oxide;
Step 2: utilize burning of lime sludge thing to produce glass fibre: the starting material producing glass fibre comprise the component of following weight parts: agalmatolite 50 parts ~ 60 parts, white afrodite 8 parts ~ 10 parts, rhombspar 5 parts ~ 8 parts, burning of lime sludge thing 8 parts ~ 10 parts, kaolin 15 parts ~ 25 parts, borocalcite 7 parts ~ 10 parts, albite 4 parts ~ 6 parts; To the starting material mixing of glass fibre be produced, after high temperature melting makes glass metal, make glass fibre through wire-drawing shape.
Preferably: described pulping and paper-making white clay is the white clay adopting the black liquor of sulphate process or soda pulping to produce through the causticization operation of chemical recovery system.
In described burning of lime sludge thing, CaO massfraction is greater than 80%, Fe massfraction and is less than 0.5%, and the massfraction dissolving sodium is less than 0.5%, and moisture content is less than 2%.
Described mixes the starting material of above-mentioned production glass fibre, after high temperature melting makes glass metal, makes glass fibre through wire-drawing shape, specifically comprises the following steps: various raw material weighs by proportioning feeding by (1); Wherein, particle diameter≤100 order of albite, rhombspar, burning of lime sludge thing, particle diameter≤200 order of borocalcite, particle diameter≤325 order of kaolin, agalmatolite, white afrodite; (2) various raw material stirring is even, uniformity coefficient is greater than 92%; (3) high temp glass liquid is obtained by founding in the material mixed feeding cell furnace; Glass melting temperature controls within the scope of 1550 DEG C ~ 1600 DEG C; Melting time is 72h ~ 100h; (4) the high temp glass liquid obtained is entered forehearth after clarification, homogenizing, and flow out in the platinum rhodium bushing in 800 ~ 4000 holes, be drawn into the precursor of diameter 9 ~ 24 μm, the temperature that glass metal flows out from platinum rhodium bushing controls at 1280 DEG C ~ 1320 DEG C; (5) filament surfaces obtained for step 4 is being applied layer of glass treating compound; (6) dry, precursor step 5 obtained adopts drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 DEG C ~ 150 DEG C, and drying time is 12h ~ 16h; (7) operation afterwards, namely the alkali free glass fibre after step 6 being dried obtains glass fibre through doff.
The present invention compared with prior art, has following beneficial effect:
The burning of lime sludge thing of calcining gained is carried out as the starting material preparing glass fibre after the present invention adopts pulping and paper-making lime mud treatment, not only solve white clay land and process the environmental pollution and land seizure problem that cause, simultaneously also by white clay recycling, decrease glass fibre to the exploitation of natural limestone resource and consumption, the cost that glass fibre manufactures can be reduced, there is obvious environmental benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the schema of the pulping and paper-making lime mud treatment of one embodiment of the invention;
Fig. 2 is that the burning of lime sludge thing that utilizes of one embodiment of the invention produces the schema of glass fibre.
Embodiment
Below in conjunction with embodiments of the invention and accompanying drawing, the invention will be further elaborated, but embodiments of the present invention are not limited thereto.
Fig. 1 shows the schema of the pulping and paper-making lime mud treatment of one embodiment of the invention, lime mud treatment comprises the following steps: be placed in by white clay after white clay dilution trap adds water and stir, according to a preferred embodiment of the invention, described white clay is the white clay adopting the black liquor of sulphate process or soda pulping to produce through the causticization operation of chemical recovery system, stirring makes it dispersed and dilution obtains white clay slurry, with white clay pump, white clay slurry is sent into screening removing big particle in white clay sieve; Then carry out filtering, concentrating with lime mud filter, obtain with the moisture removed in white clay the white clay that dewaters; Dehydration white clay is dried further in white clay drying plant, moisture is down to 2%(massfraction) below; Calcined under the high temperature of 900 ~ 950 DEG C by oven dry white clay, make it decompose and generate burning of lime sludge thing, the main component of burning of lime sludge thing is calcium oxide (CaO) again; Finally burning of lime sludge thing is made by the micro-meal of 100 object.The massfraction that in burning of lime sludge thing, the massfraction of CaO is greater than 80%, Fe is less than 0.5%, and the massfraction dissolving sodium is less than 0.5%, and the massfraction of moisture is less than 2%.
The burning of lime sludge thing that utilizes that Fig. 2 shows one embodiment of the invention produces the schema of glass fibre, specifically comprise the following steps: (1) takes raw material according to following proportioning: agalmatolite 50 parts, white afrodite 10 parts, rhombspar 6 parts, burning of lime sludge thing 8 parts, kaolin 15, borocalcite 7 parts, albite 4 parts.Wherein particle diameter≤100 order of albite, rhombspar, burning of lime sludge thing, particle diameter≤200 order of borocalcite, particle diameter≤325 order of kaolin, agalmatolite, white afrodite.(2) various raw material is sent into together the mixture of airstream and strength and stir transmitter, stir, uniformity coefficient is greater than 92%; (3) high temp glass liquid is obtained by founding in the material mixed feeding cell furnace; Glass melting temperature controls within the scope of 1550 DEG C; Melting time is 100h; (4) the high temp glass liquid obtained is entered forehearth after clarification, homogenizing, and flow out in the platinum rhodium bushing in 800 ~ 4000 holes, be drawn into diameter at the precursor of 9 ~ 24 μm, the temperature that glass metal flows out from platinum rhodium bushing controls at 1280 DEG C ~ 1320 DEG C; (5) filament surfaces obtained for step 4 is being applied layer of glass treating compound; (6) dry, precursor step 5 obtained adopts drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 DEG C ~ 150 DEG C, and drying time is 12h ~ 16h; (7) operation afterwards, the alkali free glass fibre after step 6 being dried, through doff, obtains glass fibre.
Embodiment 2:
The present embodiment adopts the burning of lime sludge thing in embodiment 1 after process to prepare glass fibre as raw material, concrete operation steps is as follows: (1) takes raw material according to following proportioning: agalmatolite 50 parts, white afrodite 10 parts, rhombspar 6 parts, burning of lime sludge thing 10 parts, kaolin 25, borocalcite 7 parts, albite 6 parts.Wherein particle diameter≤100 order of albite, rhombspar, burning of lime sludge thing, particle diameter≤200 order of borocalcite, particle diameter≤325 order of kaolin, agalmatolite, white afrodite.(2) various raw material is sent into together the mixture of airstream and strength and stir transmitter, stir, uniformity coefficient is greater than 92%; (3) high temp glass liquid is obtained by founding in the material mixed feeding cell furnace; Glass melting temperature controls within the scope of 1600 DEG C; Melting time is 72h; (4) the high temp glass liquid obtained is entered forehearth after clarification, homogenizing, and flow out in the platinum rhodium bushing in 800 ~ 4000 holes, be drawn into diameter at the precursor of 9 ~ 24 μm, the temperature that glass metal flows out from platinum rhodium bushing controls at 1280 DEG C ~ 1320 DEG C; (5) at the material surface-coated layer of glass treating compound that step 4 is obtained; (6) dry, precursor step 5 obtained adopts drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 DEG C ~ 150 DEG C, and drying time is 12h ~ 16h; (7) operation afterwards, the alkali free glass fibre after step 6 being dried, through doff, obtains glass fibre.
Although with reference to explanatory embodiment of the present invention, invention has been described here, above-described embodiment is only the present invention's preferably embodiment, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
Claims (3)
1. utilize pulping and paper-making white clay to produce a method for glass fibre, it is characterized in that comprising the following steps:
Step one: the process of pulping and paper-making white clay: add water white clay stirring, makes it dispersed and dilute, after removing big particle, carries out filtering, concentrating to obtain dehydration white clay; The white clay that will dewater is calcined after drying at 900 ~ 950 DEG C, collects calcinate and grinds to obtain burning of lime sludge thing;
Step 2: utilize burning of lime sludge thing to produce glass fibre: the starting material producing glass fibre comprise the component of following weight parts: agalmatolite 50 parts ~ 60 parts, white afrodite 8 parts ~ 10 parts, rhombspar 5 parts ~ 8 parts, burning of lime sludge thing 8 parts ~ 10 parts, kaolin 15 parts ~ 25 parts, borocalcite 7 parts ~ 10 parts, albite 4 parts ~ 6 parts; The starting material of above-mentioned production glass fibre are mixed, after high temperature melting makes glass metal, makes glass fibre through wire-drawing shape;
The massfraction that in described burning of lime sludge thing, the massfraction of CaO is greater than 80%, Fe is less than 0.5%, and the massfraction dissolving sodium is less than 0.5%, and the massfraction of moisture is less than 2%.
2. a kind of pulping and paper-making white clay that utilizes according to claim 1 produces the method for glass fibre, it is characterized in that: described pulping and paper-making white clay is the white clay adopting the black liquor of sulphate process or soda pulping to produce through the causticization operation of chemical recovery system.
3. a kind of method utilizing pulping and paper-making white clay to produce glass fibre according to claim 1, it is characterized in that: described mixes the starting material of above-mentioned production glass fibre, after high temperature melting makes glass metal, make glass fibre through wire-drawing shape, specifically comprise the following steps: various raw material weighs by proportioning feeding by (1); Wherein, particle diameter≤100 order of albite, rhombspar, burning of lime sludge thing, particle diameter≤200 order of borocalcite, particle diameter≤325 order of kaolin, agalmatolite, white afrodite; (2) by even for various raw material stirring; (3) high temp glass liquid is obtained by founding in the material mixed feeding cell furnace; Glass melting temperature controls within the scope of 1550 DEG C ~ 1600 DEG C; Melting time is 72h ~ 100h; (4) the high temp glass liquid obtained is entered forehearth after clarification, homogenizing, and flow out in the platinum rhodium bushing in 800 ~ 4000 holes, be drawn into the precursor of diameter 9 ~ 24 μm, the temperature that glass metal flows out from platinum rhodium bushing controls at 1280 DEG C ~ 1320 DEG C; (5) in the filament surfaces coating layer of glass treating compound that step (4) is obtained; (6) dry, precursor step (5) obtained adopts drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 DEG C ~ 150 DEG C, and drying time is 12h ~ 16h; (7) operation afterwards, the alkali free glass fibre after step (6) being dried, through doff, obtains glass fibre.
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| CN201310236165.4A CN103319098B (en) | 2013-06-14 | 2013-06-14 | A kind of method utilizing pulping and paper-making white clay to produce glass fibre |
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| CN201310236165.4A CN103319098B (en) | 2013-06-14 | 2013-06-14 | A kind of method utilizing pulping and paper-making white clay to produce glass fibre |
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| CN103319098B true CN103319098B (en) | 2015-10-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739197B (en) * | 2014-01-06 | 2015-10-14 | 江苏中亚新材料股份有限公司 | A kind of production method of glass fibre SMC yarn |
| CN104402214A (en) * | 2014-10-31 | 2015-03-11 | 内江华原电子材料有限公司 | Method for producing glass fiber by using pulping and paper-making white mud |
| CN106277804B (en) * | 2016-08-04 | 2018-09-21 | 中国计量大学 | A kind of environmental-friendly glass fiber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB729378A (en) * | 1952-05-21 | 1955-05-04 | American Hard Rubber Co | Improvements in or relating to an acid resistant moulded article |
| US3366535A (en) * | 1966-07-11 | 1968-01-30 | William T Neiman | Process for regenerating waste liquor for reuse in kraft pulping operation |
| CN2053627U (en) * | 1988-03-17 | 1990-02-28 | 秦皇岛玻璃纤维厂 | Skeleton structure type reinforced draining board |
| CN1015441B (en) * | 1988-12-21 | 1992-02-12 | 江苏省日用化工研究所 | Method for producing glass by recovering waste residue and white mud from papermaking black liquor alkali |
| CN1043753A (en) * | 1989-08-15 | 1990-07-11 | 中国有色金属工业总公司昆明贵金属研究所 | Platinum-based heat-resistant alloy used for glassfibre drain board |
| CN102531402B (en) * | 2011-12-20 | 2013-11-27 | 内江华原电子材料有限公司 | Method for producing alkali-free glass fiber by albite serving as fluxible clarifying agent |
| CN102586947A (en) * | 2012-03-09 | 2012-07-18 | 鹤壁维洁节能材料研究院 | Method for producing inorganic fiber for papermaking by means of alkali recovery lime sludge of paper mill |
| CN103058513B (en) * | 2013-01-05 | 2015-06-03 | 内江华原电子材料有限公司 | Compound clarifying agent, preparation method thereof and method for preparing E glass fiber by adopting compound clarifying agent |
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