CN103934875A - Processing method for manufacturing medium-density fiberboard by using waste crop straws - Google Patents
Processing method for manufacturing medium-density fiberboard by using waste crop straws Download PDFInfo
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- CN103934875A CN103934875A CN201410097156.6A CN201410097156A CN103934875A CN 103934875 A CN103934875 A CN 103934875A CN 201410097156 A CN201410097156 A CN 201410097156A CN 103934875 A CN103934875 A CN 103934875A
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Abstract
The invention provides a processing method for manufacturing a medium-density fiberboard by using waste crop straws. The processing method is safe and achieves good performance. The processing method comprises the following steps that (1) unbaling, crushing and impurity removing are performed on the waste crop straws, and then grinding is performed; (2) the ground crop straws, tackiness agents, fire retardants and glass fibers are mixed, laying, pre-pressing, hot-pressing, edging and sanding are performed on the mixtures, and finally the medium-density fiberboard is manufactured. According to the processing method for manufacturing the medium-density fiberboard by using the waste crop straws, the crop straws are adopted as main raw materials, boiling and hot-grinding are performed on the raw materials to form straw fibers, the glass fibers are added in a matched mode for modification, the non-toxic tackiness agents and modifying agents are added according to a certain ratio, hot-pressing and cementing are performed, and therefore the high-quality fiberboard which has the safe environment and flame retardant performance is manufactured. The medium-density fiberboard has more superior performance compared with a common medium-density fiberboard, and therefore can replace the common medium-density fiberboard so as to be applied to sheets, kitchen cabinets, doors, door cheeks, components and furniture on indoor and outdoor occasions.
Description
Technical field
The present invention relates to a kind of processing method of fiberboard, especially a kind of processing method of utilizing waste crop straws to prepare medium density fibre board (MDF).
Background technology
Existing crop stalk is mostly for feed, fuel and making fertilizer, and in straw, contains a large amount of celluloses and lignin, is very suitable for as finishing material, more low-carbon environment-friendly.
Summary of the invention
The invention provides a kind of safety, the waste crop straws that utilizes that performance is good is prepared the processing method of medium density fibre board (MDF).
Realize the waste crop straws that utilizes of the object of the invention and prepare the processing method of medium density fibre board (MDF), comprise the steps:
(1) agricultural crop straw is torn open to bundle, pulverizing, removal of contamination, then ground;
(2) crop stalk after grinding mixed with adhesive, fire retardant and glass fibre, mat formation, precompressed, hot pressing, edging sanding, finally make fiberboard.
The urea-formaldehyde resin adhesive that described adhesive adopts free formaldehyde source to control.
Can adopt the adding of described glass fibre fibrous glass fibers to mix to add or first glass fibre is spun into glass-fiber-fabric after add.
The beneficial effect of the processing method that waste crop straws prepares medium density fibre board (MDF) that utilizes of the present invention is as follows:
The processing method of utilizing waste crop straws to prepare medium density fibre board (MDF) of the present invention, employing agricultural crop straw is primary raw material, through boiling defibrator process, become stalk fibre, proportioning glass fibre carries out modification, and apply a certain proportion of avirulent adhesion agent, modifier, a kind of Environmental security forming is gluedd joint in hot pressing, and has the high-quality sheet material of fire resistance.The product that the present invention produces has the performance more more superior than common medium density fibre board (MDF), and therefore alternative common medium density fibre board (MDF) is applied to sheet material, kitchen bin, door, door cheek and member, the indoor and outdoor places such as furniture.
Accompanying drawing explanation
Fig. 1 is the flow chart that utilizes waste crop straws to prepare the processing method of medium density fibre board (MDF) of the present invention.
The specific embodiment
As shown in Figure 1, the processing method of utilizing waste crop straws to prepare medium density fibre board (MDF) of the present invention, comprises the steps:
(1) agricultural crop straw is torn open to bundle, pulverizing, removal of contamination, then carried out boiling, grinding;
(2) crop stalk after grinding mixed with adhesive, fire retardant and glass fibre, mat formation, precompressed, hot pressing, edging sanding, finally make fiberboard.
The urea-formaldehyde resin adhesive that described adhesive adopts free formaldehyde source to control.Greatly reduce the content of formaldehyde of fiberboard.
Can adopt the adding of described glass fibre fibrous glass fibers to mix to add or first glass fibre is spun into glass-fiber-fabric after add.
The advantage of the processing method that waste crop straws prepares medium density fibre board (MDF) of utilizing of the present invention is as follows:
1) with glass fibre, strengthen the intensity of stalk fibre, stalk material is poor, and glass fibre is the quality material of manufacturing as material, can learn from other's strong points to offset one's weaknesses, and realizes material modified object.
2) exploitation of environment protection type urea formaldehyde resin, this present situation of processing for current free formaldehyde, proposed to adopt and made in Lauxite building-up process from source, make as far as possible free formaldehyde react completely, and control and do not generate or generate as much as possible less methylol and methine ehter bond in the reaction of urea and formaldehyde, thereby reach, control the object that free formaldehyde generates.If any the generation of a small amount of methylol and methine ehter bond, also can in solidification process, by curing agent, control the generation of free formaldehyde, to reach aldehyde really falls or without the object of aldehyde.
3) add in process of production fire retardant, carry out flame treatment, to reach high fire-resistant object.
Embodiment recited above is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under spiritual prerequisite not departing from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical solution of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (3)
1. utilize waste crop straws to prepare a processing method for medium density fibre board (MDF), comprise the steps:
(1) agricultural crop straw is torn open to bundle, pulverizing, removal of contamination, then ground;
(2) crop stalk after grinding mixed with adhesive, fire retardant and glass fibre, mat formation, precompressed, hot pressing, edging sanding, finally make fiberboard.
2. the processing method of utilizing waste crop straws to prepare medium density fibre board (MDF) according to claim 1, is characterized in that: the urea-formaldehyde resin adhesive that described adhesive adopts free formaldehyde source to control.
3. the processing method of utilizing waste crop straws to prepare medium density fibre board (MDF) according to claim 1 and 2, is characterized in that: the adding of described glass fibre can adopt fibrous glass fibers to mix to add or first glass fibre is spun into glass-fiber-fabric after add.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097156.6A CN103934875A (en) | 2014-03-17 | 2014-03-17 | Processing method for manufacturing medium-density fiberboard by using waste crop straws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097156.6A CN103934875A (en) | 2014-03-17 | 2014-03-17 | Processing method for manufacturing medium-density fiberboard by using waste crop straws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103934875A true CN103934875A (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410097156.6A Pending CN103934875A (en) | 2014-03-17 | 2014-03-17 | Processing method for manufacturing medium-density fiberboard by using waste crop straws |
Country Status (1)
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| CN (1) | CN103934875A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308945A (en) * | 2014-10-20 | 2015-01-28 | 贵州恒力源林业科技有限公司 | Method for manufacturing composite artificial fiberboard |
| CN104693829A (en) * | 2015-02-12 | 2015-06-10 | 安徽靖伦高铁器材科技有限公司 | Straw glass fiber fireproof plate section and preparation method thereof |
| CN106079027A (en) * | 2016-08-23 | 2016-11-09 | 辽宁蓝亿实业有限公司 | A kind of medium-density plate manufacture method strengthening sheet material soundproof effect |
| CN106476111A (en) * | 2016-12-17 | 2017-03-08 | 李洪中 | A kind of preparation method of fiber reinforcement stalk Scrimber |
| WO2017173758A1 (en) * | 2016-04-06 | 2017-10-12 | 江苏金麦穗新能源科技股份有限公司 | Straw ecological building-material kitchen/bathroom door and method for fabricating same |
| CN108641389A (en) * | 2018-04-28 | 2018-10-12 | 郭迎庆 | A kind of preparation method of flame retardant type medium density fibre board (MDF) |
| CN109895212A (en) * | 2019-04-11 | 2019-06-18 | 吴春梅 | A kind of processing method producing formaldehydeless environmental and ecological plate using rice straw |
| CN113291022A (en) * | 2021-04-09 | 2021-08-24 | 佳诺威集团股份有限公司 | Cabinet routing plate and manufacturing method |
-
2014
- 2014-03-17 CN CN201410097156.6A patent/CN103934875A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308945A (en) * | 2014-10-20 | 2015-01-28 | 贵州恒力源林业科技有限公司 | Method for manufacturing composite artificial fiberboard |
| CN104693829A (en) * | 2015-02-12 | 2015-06-10 | 安徽靖伦高铁器材科技有限公司 | Straw glass fiber fireproof plate section and preparation method thereof |
| WO2017173758A1 (en) * | 2016-04-06 | 2017-10-12 | 江苏金麦穗新能源科技股份有限公司 | Straw ecological building-material kitchen/bathroom door and method for fabricating same |
| CN106079027A (en) * | 2016-08-23 | 2016-11-09 | 辽宁蓝亿实业有限公司 | A kind of medium-density plate manufacture method strengthening sheet material soundproof effect |
| CN106079027B (en) * | 2016-08-23 | 2018-03-27 | 辽宁蓝亿实业有限公司 | A kind of medium-density plate preparation method for strengthening sheet material soundproof effect |
| CN106476111A (en) * | 2016-12-17 | 2017-03-08 | 李洪中 | A kind of preparation method of fiber reinforcement stalk Scrimber |
| CN108641389A (en) * | 2018-04-28 | 2018-10-12 | 郭迎庆 | A kind of preparation method of flame retardant type medium density fibre board (MDF) |
| CN109895212A (en) * | 2019-04-11 | 2019-06-18 | 吴春梅 | A kind of processing method producing formaldehydeless environmental and ecological plate using rice straw |
| CN113291022A (en) * | 2021-04-09 | 2021-08-24 | 佳诺威集团股份有限公司 | Cabinet routing plate and manufacturing method |
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| C06 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140723 |
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| WD01 | Invention patent application deemed withdrawn after publication |