CN110313315A - Straw preparation method and system - Google Patents
Straw preparation method and system Download PDFInfo
- Publication number
- CN110313315A CN110313315A CN201810269589.3A CN201810269589A CN110313315A CN 110313315 A CN110313315 A CN 110313315A CN 201810269589 A CN201810269589 A CN 201810269589A CN 110313315 A CN110313315 A CN 110313315A
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- CN
- China
- Prior art keywords
- stalk
- stalk material
- equipment
- drying
- cut
- Prior art date
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000010902 straw Substances 0.000 title abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 106
- 238000001035 drying Methods 0.000 claims abstract description 57
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 19
- 238000012216 screening Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 9
- 238000007873 sieving Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/09—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Disintegrating Or Milling (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A straw preparation method comprises the following steps: a first conveying step: conveying the straw raw material to cutting equipment; a cutting step: cutting the straw raw material by using the cutting equipment to prepare a straw material; a second conveying step: conveying the straw material into a drying device through a feeding device; and (3) drying: drying the straw material by using the drying equipment; and a discharging step: discharging the dried straw material from the drying apparatus via a discharge device, wherein the cutting apparatus comprises a crusher with a screen. The invention also discloses a straw preparation system.
Description
Technical field
The invention belongs to stalk board manufacturing fields, more particularly, to a kind of stalk stock method and system.
Background technique
Stalk stock preparation system is to produce the most key one of the process of stalk board, at the main surface for influencing stalk fibre
Reason, form size and production capacity etc..
Usually stalk is cut off using chaffcutter in existing stalk stock preparation system.However, existing chaffcutter machine-cut
The blade obtained is longer, and for majority in 20-100mm, blade distribution of lengths is discrete, causes drying time length and moisture content uneven.
In addition, usually stalk is dried using drying machine in existing stalk stock preparation system.Since blade is longer, existing stalk
The inlet and outlet of drying machine generally use open feed inlet and outlet in stock preparation system, and inlet and outlet are put up a bridge or blocked to avoid blade,
But it will lead to more heat-energy losses in this way, influence drying effect, and dust can be generated and raw material is excessive, pollute environment；Meanwhile
Drying effect is bad to cause moisture content higher, also will affect the production capacity of rear end pulverizer.
Summary of the invention
At least one of regarding to the issue above, as one aspect of the present invention, the present invention provides a kind of stalk is standby
Material method, comprising the following steps:
First supplying step: conveying stalk is into cut-off equipment；
It cuts off step: the stalk is cut off using the cut-off equipment, to prepare stalk material；
Second supplying step: it conveys the stalk material and enters in drying equipment via feeding device；
Drying steps: the dry stalk material of the drying equipment is utilized；With
Step is discharged: the stalk material after drying is discharged via discharging device from the drying equipment,
Wherein, the cut-off equipment includes the crusher with sieve, and the sieve is shredded for screening through the crusher
Stalk afterwards.Preferably, the aperture of the sieve is arranged to: so that the stalk material after chopping is having a size of 0~40mm.
It in some embodiments, further include Bales Off step before first supplying step, which includes logical
It crosses artificial and/or mechanical mode and breaks up stalk packet.
In some embodiments, in first supplying step, stalk is conveyed to cutting by scratch board conveyor
In equipment；And/or in second supplying step, the stalk material is conveyed via charging by the first buried scraper conveyor
Device enters in drying equipment.
It in some embodiments, further include following step after the cutting step and before second supplying step
It is rapid:
The stalk material is sent to intermediate bin by blast system；With
The stalk material in the intermediate bin is delivered on first buried scraper conveyor using spiral discharge device.
In some embodiments, after the discharge step, further includes:
Pass through the stalk material of the second buried scraper conveyor conveying after dry to disintegrating apparatus；With
The stalk material is crushed using disintegrating apparatus.
In some embodiments, further comprising the steps of: the stalk material after conveying crushing to pneumatic separation equipment；Benefit
The stalk material is sorted with the pneumatic separation equipment；And the stalk material after sorting is sent into feed bin.
In some embodiments, further comprising the steps of: the stalk material in feed bin is sieved by screening plant；With
And it is deposited by the stalk material after the conveying screening of third buried scraper conveyor to siccative storage.
Preferably, the cut-off equipment further includes chaffcutter；In the cutting step, the stalk first passes through institute
Chaffcutter is stated, using the crusher, to prepare stalk material.
Another aspect of the present invention additionally provides a kind of stalk stock preparation system, comprising:
Cut-off equipment, for cutting off stalk, to prepare stalk material；
Drying equipment, for drying the stalk material；
Feeding device, the stalk material enter in the drying equipment via the feeding device；With
Discharging device, the stalk material after drying are discharged from the drying equipment via the discharging device,
Wherein, the cut-off equipment includes the crusher with sieve, and the sieve is shredded for screening through the crusher
Stalk afterwards.Preferably, the aperture of the sieve is arranged to: so that the stalk material after chopping is having a size of 0~40mm.
In some embodiments, the system also includes:
Bales Off equipment, for breaing up stalk packet.
In some embodiments, the system also includes:
Scratch board conveyor, for conveying the stalk into the cut-off equipment；With
First buried scraper conveyor enters the drying equipment via the feeding device for conveying the stalk material
In.
In some embodiments, the system also includes:
Intermediate bin, for storing the stalk material；
Blast system, for sending the stalk material to the intermediate bin；With
Spiral discharge device, for the stalk material in the intermediate bin to be delivered to first buried scraper conveyor.
In some embodiments, the system also includes:
Disintegrating apparatus, for crushing the stalk material after drying；With
Second buried scraper conveyor, for conveying the stalk material after drying to the disintegrating apparatus.
In some embodiments, the system also includes:
Pneumatic separation equipment, for sorting the smashed stalk material；With
Feed bin, for storing the stalk material after sorting.
In some embodiments, the system also includes:
Screening plant, for sieving the stalk material in feed bin；
Siccative storehouse, for storing the stalk material after sieving；With
Third buried scraper conveyor, for conveying the stalk material after sieving into the siccative storehouse.
Preferably, the cut-off equipment further include:
Chaffcutter, the chaffcutter are arranged in the crusher upstream, so that the stalk first passes through the chaffcutter
Machine, using the crusher, to prepare stalk material.
Based on the above-mentioned technical proposal, the present invention achieves at least one of following beneficial effect:
The present invention utilizes the crusher with sieve, and stalk is cut into the blade of certain specification, keeps the blade being cut into suitable
Benefit by blow-off valve, be dried into drying machine.Blade is easier to disperse, and stalk is dry more quickly and uniform, while
Improve the production capacity of rear end pulverizer.In addition, sealing transfer rings using as blow-off valve, blast system and buried scraper conveyor
Border reduces dust and raw material is excessive and heat-energy losses, the influence to environment are small.
Detailed description of the invention
Fig. 1 is the process flow chart according to the stalk stock method of one embodiment of the present of invention；With
Fig. 2 is the block diagram according to the stalk stock preparation system of one embodiment of the present of invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Clearly and completely describe.Obviously, described embodiment is a part of the embodiments of the present invention, instead of all the embodiments.
Based on described the embodiment of the present invention, those of ordinary skill in the art are obtained under the premise of being not necessarily to creative work
Every other embodiment, shall fall within the protection scope of the present invention.
The process flow of stalk stock method according to an embodiment of the invention is as shown in Figure 1, stalk stock method
It may comprise steps of:
First supplying step S102: conveying stalk is into cut-off equipment；
It cuts off step S103: stalk is cut off using cut-off equipment, to prepare stalk material；
Second supplying step S106: conveying stalk material enters in drying equipment via feeding device；
Drying steps S107: the dry stalk material of drying equipment is utilized；With
Step S108 is discharged: the stalk material after drying is discharged via discharging device from drying equipment,
Wherein, cut-off equipment includes the crusher with sieve, and the sieve is for screening after crusher chopping
Stalk.Preferably, control the aperture of sieve so that chopping after stalk material having a size of 0~40mm, for example, 1~15mm.
The present invention utilizes the crusher with sieve, and stalk is shredded and is sieved through sieve, to obtain certain specification
Blade, allow the blade being cut into smoothly by blow-off valve, be dried into drying machine；And blade is easier to disperse, straw
Stalk is dry more quickly and uniform.
Stalk stock preparation system according to an embodiment of the invention as shown in Fig. 2, the system comprises:
Cut-off equipment, for cutting off stalk, to prepare stalk material；
Drying equipment, for drying stalk material；
Feeding device, stalk material enter in drying equipment via feeding device；With
Discharging device, the stalk material after drying are discharged from drying equipment via discharging device,
Cut-off equipment includes the crusher 203 with sieve, and the sieve is used to screen the straw after crusher chopping
Stalk raw material.Preferably, the aperture of the sieve makes the stalk material after chopping having a size of 0~40mm, for example, 1~15mm.
Optionally, feeding device includes the first blow-off valve 208, and discharging device includes the second blow-off valve 210.
Optionally, the crusher can be GSH type crusher.For example, the GSH type crusher can have it is following
Device parameter: 200~500mm of root diameter, 200~800mm of rotor width, moving knife number of rows be 3~6 rows, stationary knife number of rows be 2~
5 rows, mesh size are 5~15mm, and the power of separate unit crusher is 360~400kw.Illustratively, the production capacity of the crusher
It is designed as being less than or equal to 8 ton/hours, such as 5 ton/hours.
Optionally, the drying equipment can be drying machine 209.
It further include Bales Off step S101 before the first supplying step, which passes through artificial in the present embodiment
And/or the mode of bale opener breaks up stalk packet.
In the present embodiment, in the first supplying step, stalk is conveyed into cut-off equipment by scratch board conveyor；?
In second supplying step, stalk material is conveyed by the first buried scraper conveyor and is entered in drying equipment via feeding device.
It is further comprising the steps of after cutting off step and before the second supplying step in the present embodiment:
S104, stalk material is sent to intermediate bin by blast system；With
S105, the stalk material in intermediate bin is delivered on the first buried scraper conveyor using spiral discharge device.
In the present embodiment, after step is discharged, further includes:
S109, pass through the stalk material after the conveying drying of the second buried scraper conveyor to disintegrating apparatus；With
S110, disintegrating apparatus crushing straw material is utilized.
It is further comprising the steps of in the present embodiment: stalk material after S111, conveying crushing to pneumatic separation equipment；S112,
Stalk material is sorted using pneumatic separation equipment；And S113, stalk material after sorting is sent into feed bin.
It is further comprising the steps of in the present embodiment: the stalk material in feed bin S114, being sieved by screening plant；And
S115, it is deposited by the stalk material after the conveying screening of third buried scraper conveyor to siccative storage.
In other preferred embodiments, the cut-off equipment can also include chaffcutter；In cutting step, stalk
Chaffcutter is first passed through, using crusher, to prepare stalk material.
System in the present embodiment further include: Bales Off equipment, for breaing up stalk material packet.
In the present embodiment, the system also includes: scratch board conveyor 202, for conveying stalk into cut-off equipment；
First buried scraper conveyor 207 enters in drying equipment for conveying stalk material via feeding device.
System in the present embodiment further include: intermediate bin 205, for storing the stalk material after cutting off；Blast system 204,
For sending the stalk material of cutting to intermediate bin 205；With spiral discharge device 206, for the stalk material in intermediate bin 205 is defeated
It send to the first buried scraper conveyor 207.
System in the present embodiment further include: disintegrating apparatus, for crushing the stalk material after drying；Scraper plate fortune is buried with second
Defeated machine 211, for conveying the stalk material after drying to disintegrating apparatus.
System in the present embodiment further include: pneumatic separation equipment, for sorting smashed stalk material；With feed bin 214,
For storing the stalk material after sorting.
System in the present embodiment further include: screening plant, for sieving the stalk material in feed bin 214；Siccative storehouse 217,
For storing the stalk material after sieving；With third buried scraper conveyor 216, for conveying the stalk material after screening to siccative storehouse
In 217.
Optionally, the Bales Off equipment can be bale opener 201；The disintegrating apparatus can be pulverizer 212；The gas
Flow point optional equipment can be airflow separator 213；The screening plant can be reciprocating gird 215.For example, pulverizer 212 can be
Twin shaft 132kw pulverizer.
In other preferred embodiments, the cut-off equipment can also include chaffcutter, and chaffcutter can be set broken
Machine upstream, so that: stalk first passes through chaffcutter, using crusher, to prepare stalk material.
Illustratively, the chaffcutter can be ZCQ6 type chaffcutter, and chaffcutter production capacity is high, design production capacity reaches 20~
24 ton/hours；And general, inclusiveness height is required stalk uniform feeding；And the chaffcutter tool change time is short, 0.6-1.0h it
Between, it is easy to use；Equipment energy consumption is low simultaneously, and separate unit chaffcutter power is 132kw.At the beginning of stalk first passes through ZCQ6 type chaffcutter
Step cutting, shreds using the GSH type crusher with sieve, can further improve the uniform of stalk material (such as stalk blade)
Property.
In the present embodiment, transport environment is sealed using as blow-off valve, blast system and buried scraper conveyor, is reduced
Dust and raw material is excessive and heat-energy losses, the influence to environment are small.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in protection of the invention
Within the scope of.
Claims (18)
1. a kind of stalk stock method, comprising the following steps:
First supplying step: conveying stalk is into cut-off equipment；
It cuts off step: the stalk is cut off using the cut-off equipment, to prepare stalk material；
Second supplying step: it conveys the stalk material and enters in drying equipment via feeding device；
Drying steps: the dry stalk material of the drying equipment is utilized；With
Step is discharged: the stalk material after drying is discharged via discharging device from the drying equipment,
Wherein, the cut-off equipment includes the crusher with sieve, and the sieve is for screening after crusher chopping
Stalk.
2. according to the method described in claim 1, wherein, the aperture of the sieve is arranged to: so that the stalk material after chopping
Having a size of 0~40mm.
3. according to the method described in claim 1, further including Bales Off step, Bales Off step before first supplying step
It suddenly include that stalk packet is broken up by artificial and/or mechanical mode.
4. according to the method described in claim 1, conveying stalk by scratch board conveyor in first supplying step
Into cut-off equipment；And/or in second supplying step, the stalk material is conveyed by the first buried scraper conveyor and is passed through
Entered in drying equipment by feeding device.
5. according to the method described in claim 4, further including after the cutting step and before second supplying step
Following steps:
The stalk material is sent to intermediate bin by blast system；With
The stalk material in the intermediate bin is delivered on first buried scraper conveyor by spiral discharge device.
6. according to the method described in claim 1, after the discharge step, further includes:
Pass through the stalk material of the second buried scraper conveyor conveying after dry to disintegrating apparatus；With
The stalk material is crushed using disintegrating apparatus.
7. according to the method described in claim 6, further comprising the steps of: the stalk material after conveying crushing to pneumatic separation
Equipment；The stalk material is sorted using pneumatic separation equipment；And the stalk material after sorting is sent into feed bin.
8. according to the method described in claim 7, further comprising the steps of: sieving the stalk in feed bin by screening plant
Material；And it is deposited by the stalk material after the conveying screening of third buried scraper conveyor to siccative storage.
9. according to the method described in claim 1, wherein, the cut-off equipment further includes chaffcutter；In the cutting step,
The stalk first passes through the chaffcutter, using the crusher, to prepare stalk material.
10. a kind of stalk stock preparation system, comprising:
Cut-off equipment, for cutting off stalk, to prepare stalk material；
Drying equipment, for drying the stalk material；
Feeding device, the stalk material enter in the drying equipment via the feeding device；With
Discharging device, the stalk material after drying are discharged from the drying equipment via the discharging device,
Wherein, the cut-off equipment includes the crusher with sieve, and the sieve is for screening after crusher chopping
Stalk.
11. system according to claim 10, wherein the aperture of the sieve is arranged to: so that the stalk after chopping
Material is having a size of 0~40mm.
12. system according to claim 10, further includes:
Bales Off equipment, for breaing up stalk packet.
13. system according to claim 10, further includes:
Scratch board conveyor, for conveying the stalk into the cut-off equipment；With
First buried scraper conveyor enters in the drying equipment for conveying the stalk material via the feeding device.
14. system according to claim 13, further includes:
Intermediate bin, for storing the stalk material；
Blast system, for sending the stalk material to the intermediate bin；With
Spiral discharge device, for the stalk material in the intermediate bin to be delivered to first buried scraper conveyor.
15. system according to claim 10, further includes:
Disintegrating apparatus, for crushing the stalk material after drying；With
Second buried scraper conveyor, for conveying the stalk material after drying to the disintegrating apparatus.
16. system according to claim 15, further includes:
Pneumatic separation equipment, for sorting the smashed stalk material；With
Feed bin, for storing the stalk material after sorting.
17. system according to claim 16, further includes:
Screening plant, for sieving the stalk material in feed bin；
Siccative storehouse, for storing the stalk material after sieving；With
Third buried scraper conveyor, for conveying the stalk material after sieving into the siccative storehouse.
18. system according to claim 10, the cut-off equipment further include:
Chaffcutter, the chaffcutter are arranged in the crusher upstream, so that: the stalk first passes through the chaffcutter,
Using the crusher, to prepare stalk material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269589.3A CN110313315A (en) | 2018-03-29 | 2018-03-29 | Straw preparation method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269589.3A CN110313315A (en) | 2018-03-29 | 2018-03-29 | Straw preparation method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110313315A true CN110313315A (en) | 2019-10-11 |
Family
ID=68110732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269589.3A Pending CN110313315A (en) | 2018-03-29 | 2018-03-29 | Straw preparation method and system |
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| Country | Link |
|---|---|
| CN (1) | CN110313315A (en) |
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|---|---|---|---|---|
| CN101100085A (en) * | 2007-07-23 | 2008-01-09 | 信阳木工机械有限责任公司 | Method for manufacturing artificial board with crop stalk and wood mixing |
| CN101852540A (en) * | 2010-07-12 | 2010-10-06 | 山东天力干燥设备有限公司 | Comprehensive utilization system for drying low-order coal of thermal power plant in steam pumping and indirect heat exchanging way and process thereof |
| CN102303348A (en) * | 2011-09-01 | 2012-01-04 | 内蒙古农业大学 | Reed fiber reinforced salix mongolica medium-density fiber board and preparation method thereof |
| CN103568098A (en) * | 2012-08-01 | 2014-02-12 | 长沙创远环保科技有限公司 | Manufacturing method for aldehyde-free crop straw decorative plates |
| CN103771790A (en) * | 2012-10-22 | 2014-05-07 | 长沙创远环保科技有限公司 | Cement straw composite plate and production technological method |
| CN105710953A (en) * | 2014-12-23 | 2016-06-29 | 万华生态板业股份有限公司 | Crop straw raw material processing method |
-
2018
- 2018-03-29 CN CN201810269589.3A patent/CN110313315A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100085A (en) * | 2007-07-23 | 2008-01-09 | 信阳木工机械有限责任公司 | Method for manufacturing artificial board with crop stalk and wood mixing |
| CN101852540A (en) * | 2010-07-12 | 2010-10-06 | 山东天力干燥设备有限公司 | Comprehensive utilization system for drying low-order coal of thermal power plant in steam pumping and indirect heat exchanging way and process thereof |
| CN102303348A (en) * | 2011-09-01 | 2012-01-04 | 内蒙古农业大学 | Reed fiber reinforced salix mongolica medium-density fiber board and preparation method thereof |
| CN103568098A (en) * | 2012-08-01 | 2014-02-12 | 长沙创远环保科技有限公司 | Manufacturing method for aldehyde-free crop straw decorative plates |
| CN103771790A (en) * | 2012-10-22 | 2014-05-07 | 长沙创远环保科技有限公司 | Cement straw composite plate and production technological method |
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