CN108824068A - Substitute the extraordinary veneer glass fibre belt one-shot forming technique of protecting paper of gypsum board - Google Patents
Substitute the extraordinary veneer glass fibre belt one-shot forming technique of protecting paper of gypsum board Download PDFInfo
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- CN108824068A CN108824068A CN201810593694.2A CN201810593694A CN108824068A CN 108824068 A CN108824068 A CN 108824068A CN 201810593694 A CN201810593694 A CN 201810593694A CN 108824068 A CN108824068 A CN 108824068A
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- Prior art keywords
- glass fibre
- extraordinary
- gypsum board
- forming technique
- shot forming
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of extraordinary veneer glass fibre belt one-shot forming technique for substituting protecting paper of gypsum board, specific steps include：It prepares plain boiled water, prepare slurry, the molding of wet felt blanket, leaching adhesive gelatin, recycling adhesive gelatin, dry solidification, winding finished product.The present invention makes full use of existing equipment, pass through the adjustment to production technology, it can accomplish production and " coating " of once completing glass fibre belt on glass fiber wet felted yarn, meet under client's use, reduce equipment investment, energy saving, raising production efficiency.
Description
Technical field
The present invention relates to a kind of extraordinary veneer glass fibre belt one-shot forming techniques for substituting protecting paper of gypsum board, belong to molding
Processing technology.
Background technique
Existing plasterboard veneer is all paper material, and there are following defects, first is that mask paper in process of production can
A large amount of waste water is generated, has significant impact to environment；Second is that the price of this several years mask paper goes up always, so that gypsum board manufacture
Cost increasingly increases；Third is that mask hard copy body is breathed freely poor, the drying stage in gypsum board manufacturing process is taken a long time, and is influenced
Its production efficiency；Four are that while now be made into mask paper with the characteristics such as fire-retardant, but after use will appear dampness mildew and
Intensity is reduced, and when really encountering fire, fire resistance is also less desirable.
Characteristic possessed by glass fibre itself：It is moisture-proof, fire resisting, high intensity, excellent in conjunction with gypsum.So using glass in the future
It is a kind of trend that glass fibrofelt, which substitutes existing plasterboard veneer with mask paper,.But present plasterboard veneer glass fiber wet is thin
Felt be all it is secondary production and obtain.It include production and the surface covering of glass fiber felt of glass fiber felt, the gypsum veneer of the method manufacture
With glass wet process mat low efficiency, energy consumption is high, and quality is difficult to ensure.Firstly, the glass that the method must first produce qualification is wet
Method felt, is then placed on again and applies kerf progress secondary operation, and the raw speed of production of wet method felt applies generally up to 80-90m/min
The speed of production of kerf only can reach 20 m/min or so, so a wet process felted yarn needs 4-5 bar painting kerf to match, in this way
Cost, energy consumption will greatly improve, and production efficiency also reduces very much.In addition, the gypsum veneer glass of such technique production is wet
Method mat is due to being that secondary painting is scraped, so that product thickness increases, the flexibility of product is deteriorated, and can go out in the processing of plasterboard veneer
Existing breakage phenomenon, influences entire product.
Summary of the invention
In order to overcome the drawbacks of the prior art, the present invention proposes that a kind of extraordinary veneer glass for substituting protecting paper of gypsum board is thin
Felt one-shot forming technique, makes full use of existing equipment, by the adjustment to production technology, can accomplish in glass fiber wet felt
The line last time complete glass fibre belt production and " coating ", meeting under client's use, reduce equipment investment, it is energy saving,
Improve production efficiency.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of extraordinary veneer glass fibre belt one-shot forming technique substituting protecting paper of gypsum board, it is characterised in that：
Step 1：Plain boiled water is prepared, first tap water is added in white water chest and agitator tank, while additive being added in white water chest
Mixed liquor is formed, circulating pump is opened and mixed solution is constantly circulated in white water chest with agitator tank, wherein in agitator tank
Blade mixer is installed, mixed solution is constantly stirred in agitator tank, until mixed solution is stirred and reaches
To certain viscosity and air content, plain boiled water is made；
Step 2：Slurry is prepared, short glass fiber enters from fiber feed bin through feed system bucket elevator and belted electronic balance
In agitator tank, it is mixed to form certain density uniform sizing material with plain boiled water, is stored in slurry tank；
Step 3：Slurry made from step 2, is first diluted, then filtered and taken off through plain boiled water by feeding pump by wet felt blanket molding with plain boiled water
Hydrophone enters after molding machine head box that wet felt blanket is made in fiberizing on forming net, wherein plain boiled water passes through plain boiled water filtering means dehydration
Device is pumped in white water chest, and for recycling diluted slurry, the plain boiled water in the white water chest of part is pumped back to agitator tank through return water, is added with new
The additive entered is mixed together and disperses the short glass fiber being newly added；
Step 4：Leaching adhesive gelatin, the sizing that wet felt blanket obtained is transferred to sizing applicator from forming net in step 3 is online,
By adhesive applicator, equably leaching adhesive gelatin obtains glass felt blanket in wet felt blanket, wherein adhesive gelatin is stored in viscous
It ties in agent circulating tank；
Step 5：Adhesive gelatin is recycled, aspirates binder extra in wet felt blanket positioned at the isolated at suction device for being glued side off the net
It removes, extra adhesive gelatin, which is back in binder circulation tank, to be recycled；
Step 6：Dry solidification, the glass felt blanket after impregnation are admitted in dry solidification furnace, solidification binder are dried, obtains
Solidify finished product；
Step 7：Finished product is wound, solidifies finished product and is got product by the tubular for being rolled into fixed length on double-station automatic power reel.
Preferably, additive described in step 1 includes thickener, surfactant and defoaming agent.
Preferably, the viscosity of plain boiled water described in step 1 is 8-12mPa, air content 5-10%.
Preferably, short glass fiber described in step 2 is E or ECR glass fibre, and the short glass fiber includes
12mm short glass fiber and 6mm short glass fiber, the diameter of the short glass fiber are 13 μm.
Preferably, the quality proportioning of the 12mm short glass fiber and 6mm short glass fiber is 1.5:1.
Preferably, content is 0.25%-0.5% to short glass fiber as mass fraction in slurry described in step 2.
Preferably, 10 times of plain boiled water dilution of slurry in step 3.
Preferably, described including the acrylic resin and gradation calcium original washing powder of environment-friendly type in adhesive gelatin described in step 4
Effective gummy solids content of adhesive gelatin is 36%, and 900g gradation calcium original washing powder is added in every liter of adhesive gelatin.
It preferably, include 800 mesh precipitated calcium carbonates and 1000 mesh powdered whitings, and lightweight carbon in the gradation calcium original washing powder
The quality proportioning of sour calcium and powdered whiting is 1.5：1.
Preferably, the heating method of dry solidification furnace uses natural gas direct-burning heating in step 6, and drying and solidification temperature are adopted
Use automatic control system.
Beneficial effect：The present invention provides the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board,
Under thickness is constant, product is more closely knit, furthermore surfacing has the following advantages that compared with common process：
1, technology chain shortens：By the original pure glass fiber felt of pre-manufactured, upper painting kerf reprocessing is changed in glass fiber felt production line one again
Secondary production final products；
2, energy consumption reduces：Present primary drying is changed to by original redrying, energy consumption reduces nearly half；
3, equipment investment is reduced：One glass fiber felt production line invests about 20,000,000 yuans, and a bar painting kerf need to invest about 400
Ten thousand yuans, about 40,000,000 yuans now need to be invested altogether by the mating 4-5 painting kerf of an original glass felted yarn and is changed to only
One glass fiber felt production line of about 20,000,000 yuans of construction need to be invested.
4, properties of product are more superior：Significantly improve the flexural strength of plasterboard；Its gas permeability is better than present mask paper, water
Divide and be easier to evaporate, shorten the drying time in plate production process, the production efficiency of plasterboard is improved while reducing energy consumption；
Its surface is poly- one layer of calcium powder, can completely cut off glass and open fire, reaches and extends the back-fire relief time, through detecting, facing felt institute is scraped in secondary painting
The fire resistance period for producing plasterboard is 2 hours or so, and the fire resistance period of the produced plasterboard of one-pass molding facing felt is small up to 8
When.
Detailed description of the invention
Fig. 1 is production-line technique of the invention.
In figure：Fiber feed bin 1, agitator tank 2, circulating pump 3, white water chest 4, slurry tank 5, feeding pump 6, plain boiled water filtering means dehydration device
7, molding machine head box 8, back water pump 9, sizing applicator 10, adhesive applicator 11, binder circulation tank 12, isolated at suction device 13, drying are solid
Change furnace 14, coiling machine 15.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below to the embodiment of the present application
In technical solution be clearly and completely described, it is clear that described embodiments are only a part of embodiments of the present application,
Instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present application.
As shown in Figure 1, a kind of extraordinary veneer glass fibre belt one-shot forming technique for substituting protecting paper of gypsum board, feature exist
In：
Step 1：Plain boiled water is prepared, first tap water is added in white water chest 4 and agitator tank 2, while addition being added in white water chest 4
Dosage form opens circulating pump 3 and mixed solution is constantly circulated in white water chest 4 and agitator tank 2, wherein stirring at mixed liquor
Blade mixer is installed, mixed solution is constantly stirred in agitator tank 2, until mixed solution is stirred in tank 2
It is even and reach certain viscosity and air content, plain boiled water is made；
Step 2：Prepare slurry, short glass fiber from fiber feed bin 1 through feed system bucket elevator and belted electronic balance into
Enter in agitator tank 2, is mixed to form certain density uniform sizing material with plain boiled water, is stored in slurry tank 5；
Step 3：Slurry made from step 2, is first diluted, then filtered by feeding pump 6 through plain boiled water by wet felt blanket molding with plain boiled water
Wet felt blanket is made in fiberizing on forming net after the entrance molding machine head box 8 of dehydrator 7, wherein plain boiled water passes through plain boiled water and filters
Dehydrator 7 is pumped in white water chest 4, and for recycling diluted slurry, the plain boiled water in part white water chest 7 returns to stirring through back water pump 9
Tank 2 is mixed together with the additive being newly added and disperses the short glass fiber being newly added；
Step 4：Leaching adhesive gelatin, wet felt blanket obtained is transferred to the sizing net of sizing applicator 10 from forming net in step 3
On, by adhesive applicator 11, equably leaching adhesive gelatin obtains glass felt blanket in wet felt blanket, wherein adhesive gelatin is deposited
Storage is in binder circulation tank 12；
Step 5：Adhesive gelatin is recycled, takes out binder extra in wet felt blanket positioned at the isolated at suction device 13 for being glued side off the net
Absorption is gone, and extra adhesive gelatin is back in binder circulation tank 2 and is recycled；
Step 6：Dry solidification, the glass felt blanket after impregnation are admitted in dry solidification furnace 14, solidification binder are dried, obtains
To solidification finished product；
Step 7：Finished product is wound, solidifies finished product and is got product by the tubular for being rolled into fixed length on double-station automatic power reel 15.
Preferably, additive described in step 1 includes thickener, surfactant and defoaming agent.（It is used in the present invention
Additive is conventional additives, and those skilled in the art can be added type and additive amount according to actual needs）
Preferably, the viscosity of plain boiled water described in step 1 is 8-12mPa, air content 5-10%.
Preferably, short glass fiber described in step 2 is E or ECR fiberglass glass fiber, and the staple glass
Fiber includes 12mm short glass fiber and 6mm short glass fiber, and the diameter of the short glass fiber is 13 μm.
Preferably, the quality proportioning of the 12mm short glass fiber and 6mm short glass fiber is 1.5:1.
Preferably, content is 0.25%-0.5% to short glass fiber as mass fraction in slurry described in step 2（Starch
Expect concentration）.
Preferably, 10 times of plain boiled water dilution of slurry in step 3.
Preferably, described including the acrylic resin and gradation calcium original washing powder of environment-friendly type in adhesive gelatin described in step 4
Effective gummy solids content of adhesive gelatin is 36%, and 900g gradation calcium original washing powder is added in every liter of adhesive gelatin.
It preferably, include 800 mesh precipitated calcium carbonates and 1000 mesh powdered whitings, and lightweight carbon in the gradation calcium original washing powder
The quality proportioning of sour calcium and powdered whiting is 1.5：1.
Preferably, the heating method of dry solidification furnace uses natural gas direct-burning heating in step 6, and drying and solidification temperature are adopted
Use automatic control system.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Two kinds of modifications of these embodiments will be readily apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of extraordinary veneer glass fibre belt one-shot forming technique for substituting protecting paper of gypsum board, which is characterized in that specific steps
It is as follows：
Step 1：Plain boiled water is prepared, first tap water is added in white water chest and agitator tank, while additive being added in white water chest
Mixed liquor is formed, circulating pump is opened and mixed solution is constantly circulated in white water chest with agitator tank, wherein in agitator tank
Blade mixer is installed, mixed solution is constantly stirred in agitator tank, until mixed solution is stirred and reaches
To certain viscosity and air content, plain boiled water is made；
Step 2：Slurry is prepared, short glass fiber enters from fiber feed bin through feed system bucket elevator and belted electronic balance
In agitator tank, it is mixed to form certain density uniform sizing material with plain boiled water, is stored in slurry tank；
Step 3：Slurry made from step 2, is first diluted, then filtered and taken off through plain boiled water by feeding pump by wet felt blanket molding with plain boiled water
Hydrophone enters after molding machine head box that wet felt blanket is made in fiberizing on forming net, wherein plain boiled water passes through plain boiled water filtering means dehydration
Device is pumped in white water chest, and for recycling diluted slurry, the plain boiled water in the white water chest of part is pumped back to agitator tank through return water, is added with new
The additive entered is mixed together and disperses the short glass fiber being newly added；
Step 4：Leaching adhesive gelatin, the sizing that wet felt blanket obtained is transferred to sizing applicator from forming net in step 3 is online,
By adhesive applicator, equably leaching adhesive gelatin obtains glass felt blanket in wet felt blanket, wherein adhesive gelatin is stored in viscous
It ties in agent circulating tank；
Step 5：Adhesive gelatin is recycled, aspirates binder extra in wet felt blanket positioned at the isolated at suction device for being glued side off the net
It removes, extra adhesive gelatin, which is back in binder circulation tank, to be recycled；
Step 6：Dry solidification, the glass felt blanket after impregnation are admitted in dry solidification furnace, solidification binder are dried, obtains
Solidify finished product；
Step 7：Finished product is wound, solidifies finished product and is got product by the tubular for being rolled into fixed length on double-station automatic power reel.
2. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 1, special
Sign is that additive described in step 1 includes thickener, surfactant and defoaming agent.
3. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 1, special
Sign is that the viscosity of plain boiled water described in step 1 is 8-12mPa, air content 5-10%.
4. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 1, special
Sign is that short glass fiber described in step 2 is E or ECR glass fibre, and the short glass fiber includes that 12mm is chopped
Glass fibre and 6mm short glass fiber, the diameter of the short glass fiber are 13 μm.
5. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 4, special
Sign is that the quality proportioning of the 12mm short glass fiber and 6mm short glass fiber is 1.5:1.
6. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 1, special
Sign is that content is 0.25%-0.5% to short glass fiber as mass fraction in slurry described in step 2.
7. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 1, special
Sign is that slurry dilutes 10 times with plain boiled water in step 3.
8. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 1, special
Sign is, includes the acrylic resin and gradation calcium original washing powder of environment-friendly type in adhesive gelatin described in step 4, adhesive gelatin
Effective gummy solids content is 36%, and 900g gradation calcium original washing powder is added in every liter of adhesive gelatin.
9. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 8, special
Sign is, includes 800 mesh precipitated calcium carbonates and 1000 mesh powdered whitings in the gradation calcium original washing powder, and precipitated calcium carbonate and again
The quality proportioning of matter calcium carbonate is 1.5：1.
10. the extraordinary veneer glass fibre belt one-shot forming technique of substitution protecting paper of gypsum board according to claim 1, special
Sign is that the heating method of dry solidification furnace uses natural gas direct-burning heating, drying and solidification temperature using automatic control in step 6
System processed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810593694.2A CN108824068A (en) | 2018-06-11 | 2018-06-11 | Substitute the extraordinary veneer glass fibre belt one-shot forming technique of protecting paper of gypsum board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810593694.2A CN108824068A (en) | 2018-06-11 | 2018-06-11 | Substitute the extraordinary veneer glass fibre belt one-shot forming technique of protecting paper of gypsum board |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622369A (en) * | 2020-12-02 | 2021-04-09 | 常州中复丽宝第复合材料有限公司 | Fireproof and antibacterial special functional plate and preparation method thereof |
| CN112663384A (en) * | 2020-12-02 | 2021-04-16 | 常州中复丽宝第复合材料有限公司 | High-strength high-volume-weight glass fiber gypsum board felt and preparation method thereof |
| CN112663383A (en) * | 2020-12-02 | 2021-04-16 | 常州中复丽宝第复合材料有限公司 | Ultralow-thermal-conductivity-coefficient glass fiber nano-felt and preparation method thereof |
| CN112695567A (en) * | 2020-12-02 | 2021-04-23 | 常州中复丽宝第复合材料有限公司 | High-acid-climbing-height glass fiber felt and preparation method thereof |
| CN112695568A (en) * | 2020-12-02 | 2021-04-23 | 常州中复丽宝第复合材料有限公司 | Fireproof glass fiber decorative felt and preparation method thereof |
| WO2022083176A1 (en) * | 2020-10-20 | 2022-04-28 | 中建材创新科技研究院有限公司 | Glass mat gypsum board and preparation method therefor |
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| CN112695568A (en) * | 2020-12-02 | 2021-04-23 | 常州中复丽宝第复合材料有限公司 | Fireproof glass fiber decorative felt and preparation method thereof |
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Application publication date: 20181116 |
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| RJ01 | Rejection of invention patent application after publication |