CN103755221A - Method for preparing bamboo pulp papermaking sludge-floating bead composite board as thermal insulation material - Google Patents
Method for preparing bamboo pulp papermaking sludge-floating bead composite board as thermal insulation material Download PDFInfo
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- CN103755221A CN103755221A CN201310658080.5A CN201310658080A CN103755221A CN 103755221 A CN103755221 A CN 103755221A CN 201310658080 A CN201310658080 A CN 201310658080A CN 103755221 A CN103755221 A CN 103755221A
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- bamboo pulp
- papermaking sludge
- pulp papermaking
- hot pressing
- sludge
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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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a method for preparing a bamboo pulp papermaking sludge-floating bead composite board as a thermal insulation material. The method comprises the following steps of a, carrying out grading treatment on bamboo pulp papermaking sludge by a pulverizer, selecting the bamboo pulp papermaking sludge of 20-40 meshes, drying the selected bamboo pulp papermaking sludge until water content is in a range of about 8-10%, and carrying out sealing storage for next use, b, screening floating beads to remove large granules and impurities, selecting the floating beads of 60-80 meshes and carrying out drying and sealing storage, c, mixing the sludge and the floating beads according to a ratio of 8: 2 to obtain a uniform mixture, adding a urea-formaldehyde resin adhesive into the mixture so that solid adhesive content is 15%, a pH value is 7.7, viscosity is 50cp, board thickness is 14mm and a curing agent ammonium chloride use amount is 1%, and uniformly paving the mixture on a hot pressboard. The method can effectively improve added values of the bamboo pulp papermaking sludge and the floating beads.
Description
Technical field
The present invention relates in laboratory scale, a kind of lagging material-bamboo paper mill sludge, float the preparation method of pearl composition board, belong to functionally wood-based composite field.
Background technology
China is one of the abundantest country of world's bamboo resource, has bamboo plant approximately 43 to belong to more than 700 and plants, and national bamboo grove and mao bamboo woods area approximately more than 720 ten thousand hm2, resource is very abundant, have the title of " bamboo kingdom ".Adopt bamboo wood pulping and paper-making have source abundant, easily pulping, with low cost, become the advantages such as paper surface smoothing, be also to alleviate the effective way of papermaking industry to wood raw material demand pressure simultaneously.Yet, the development of bamboo pulp industry equally inevitably also to environment band pollution problem.The mud that paper waste is processed is a kind of biosolids waste, and this waste organic content is higher, different from municipal sludge and other industrial sludges.According to China's technology status, the waste water energy qualified discharge after paper industry processing at present, but the mud of wastewater treatment can produce secondary pollution, no matter be landfill or stacking, all will take a large amount of soils, and the soil of contaminated destruction is difficult to recycling.Therefore, how rationally utilization and harmlessness disposing paper mill sludge have become urgent problem.
All the time in Energy Mix greatly mainly with coal as fuel used to generate electricity, therefore, effective utilization of the cenosphere in the waste material flyash, particularly flyash of power plant emission, is subject to the attention of domestic and international many countries day by day.Many industrially developed country are made full use of flyash as resource.China is one of coal producer the biggest in the world, and coal provides 76% power generation energy resource at present, and the annual fire coal of national power plant is about 3.6 hundred million t, and ash discharge amount is about 100,000,000 t, and quantity is big very surprising.If do not made full use of, not only restrict the development of power industry, but also can cause serious environmental pollution.Find to float pearl in flyash from the seventies since, had the characteristics such as light weight, heat insulation, wear-resisting, acidproof, alkaline-resisting, high temperature resistant, stable chemical nature due to it, therefore can be made into various special flame-proof thermal insulation materials, application prospect is very wide.
Summary of the invention
The object of this invention is to provide a kind of lagging material bamboo paper mill sludge, float the preparation method of pearl composition board, can effectively improve bamboo paper mill sludge, float pearl added value, obviously improved the use properties of lagging material.
For realizing above object, the present invention adopts following technical scheme:
Lagging material bamboo paper mill sludge, float the preparation method of pearl composition board, concrete steps are as follows:
A, utilize pulverizer to the processing that grades of bamboo paper mill sludge, choose 20-40 object bamboo paper mill sludge, subsequently material is dried to water ratio be 8-10% left and right, sealing saves backup;
B, to floating pearl, sieve, remove macrobead and impurity, select 60-80 order, dry sealing and preserve;
C, according to the ratio of mud-float pearl 8:2 by both even mixing applications, glue kind is urea-formaldehyde resin adhesive, solid content resin added is 15%, Ph is 7.7, and viscosity is 50cp, and plank thickness is 14mm, the add-on of solidifying agent ammonium chloride is 1%, and after completing, uniform spreading is loaded on heating platen;
D, hot pressing
Hot pressing temperature is 110 ℃, and hot pressing time is 12min, accelerates solidifying of sizing agent, and material is hot pressed into plate;
E, end of a period are processed
After hot pressing completes, pressurize 15min, slowly release after naturally cooling.
The present invention can effectively improve bamboo paper mill sludge, float pearl added value, has obviously improved the use properties of lagging material.
Embodiment
Lagging material bamboo paper mill sludge, float the preparation method of pearl composition board, concrete steps are as follows:
A, utilize pulverizer to the processing that grades of bamboo paper mill sludge, choose 20-40 object bamboo paper mill sludge, subsequently material is dried to water ratio be 8-10% left and right, sealing saves backup;
B, to floating pearl, sieve, remove macrobead and impurity, select 60-80 order, dry sealing and preserve;
C, according to the ratio of mud-float pearl 8:2 by both even mixing applications, glue kind is urea-formaldehyde resin adhesive, solid content resin added is 15%, Ph is 7.7, and viscosity is 50cp, and plank thickness is 14mm, the add-on of solidifying agent ammonium chloride is 1%, and after completing, uniform spreading is loaded on heating platen;
D, hot pressing
Hot pressing temperature is 110 ℃, and hot pressing time is 12min, accelerates solidifying of sizing agent, and material is hot pressed into plate;
E, end of a period are processed
After hot pressing completes, pressurize 15min, slowly release after naturally cooling.
Claims (1)
- Lagging material bamboo paper mill sludge, float the preparation method of pearl composition board, it is characterized in that, concrete steps are as follows:A, utilize pulverizer to the processing that grades of bamboo paper mill sludge, choose 20-40 object bamboo paper mill sludge, subsequently material is dried to water ratio be 8-10% left and right, sealing saves backup;B, to floating pearl, sieve, remove macrobead and impurity, select 60-80 order, dry sealing and preserve;C, according to the ratio of mud-float pearl 8:2 by both even mixing applications, glue kind is urea-formaldehyde resin adhesive, solid content resin added is 15%, Ph is 7.7, and viscosity is 50cp, and plank thickness is 14mm, the add-on of solidifying agent ammonium chloride is 1%, and after completing, uniform spreading is loaded on heating platen;D, hot pressingHot pressing temperature is 110 ℃, and hot pressing time is 12min, accelerates solidifying of sizing agent, and material is hot pressed into plate;E, end of a period are processedAfter hot pressing completes, pressurize 15min, slowly release after naturally cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658080.5A CN103755221B (en) | 2013-12-09 | 2013-12-09 | A kind of insulation material bamboo paper mill sludge, floating bead composite plate preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658080.5A CN103755221B (en) | 2013-12-09 | 2013-12-09 | A kind of insulation material bamboo paper mill sludge, floating bead composite plate preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103755221A true CN103755221A (en) | 2014-04-30 |
| CN103755221B CN103755221B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310658080.5A Active CN103755221B (en) | 2013-12-09 | 2013-12-09 | A kind of insulation material bamboo paper mill sludge, floating bead composite plate preparation method |
Country Status (1)
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| CN (1) | CN103755221B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328040B (en) * | 2008-06-30 | 2012-05-02 | 中国林业科学研究院木材工业研究所 | Artificial board manufactured from papermaking sludge, manufacturing method and deodorization method thereof |
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2013
- 2013-12-09 CN CN201310658080.5A patent/CN103755221B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328040B (en) * | 2008-06-30 | 2012-05-02 | 中国林业科学研究院木材工业研究所 | Artificial board manufactured from papermaking sludge, manufacturing method and deodorization method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郭丽梅: "漂珠复合保温材料的研制", 《新型建筑材料》, no. 10, 31 December 2005 (2005-12-31), pages 21 - 23 * |
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| CN103755221B (en) | 2016-06-29 |
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