CN109834796A - The preparation system of plate wood shavings - Google Patents
The preparation system of plate wood shavings Download PDFInfo
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- CN109834796A CN109834796A CN201711200419.1A CN201711200419A CN109834796A CN 109834796 A CN109834796 A CN 109834796A CN 201711200419 A CN201711200419 A CN 201711200419A CN 109834796 A CN109834796 A CN 109834796A
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- 239000002023 wood Substances 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 114
- 239000002994 raw material Substances 0.000 claims abstract description 78
- 238000012216 screening Methods 0.000 claims abstract description 73
- 238000007873 sieving Methods 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims description 29
- 238000007670 refining Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000012797 qualification Methods 0.000 abstract description 12
- 241000196324 Embryophyta Species 0.000 description 43
- 238000000034 method Methods 0.000 description 26
- 230000008569 process Effects 0.000 description 15
- 239000002344 surface layer Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
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- 238000002224 dissection Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
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- 240000004760 Pimpinella anisum Species 0.000 description 3
- 235000012550 Pimpinella anisum Nutrition 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 3
- 235000005822 corn Nutrition 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 244000061456 Solanum tuberosum Species 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 239000000446 fuel Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- -1 after refinement Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Landscapes
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
A kind of preparation system of plate wood shavings, comprising: disintegrating apparatus, for the plate raw material for containing stalk to be crushed；Screening plant screens out qualified material and the coarse material bigger than qualified material partial size for sieving to the raw material of crushing；Thinning apparatus, for being refined to the coarse material；The screening plant is also used to sieve the coarse material after refinement.By increasing screening plant and thinning apparatus, can prevent from production improving product qualification rate because disintegrator sieving net breakage causes the wood shavings prepared undesirable.
Description
Technical field
This disclosure relates to artificial plate manufacturing field, the in particular to preparation system of artificial plate wood shavings.
Background technique
In the production of plate (especially stalk board), the size of surface layer shaving shape obtained has plate surface
Extreme influence, plate surface shaving shape is reasonable, and not only plate possesses splendid appearance, to matter after the secondary operation of later period plate
Amount is also greatly improved；Conversely, will lead to if plate surface shaving shape is poor and generate a series of lack in secondary processing process
It falls into.
Summary of the invention
In view of this, the purpose of the disclosure is to propose a kind of preparation system of plate wood shavings, it is above-described to solve
At least partly technical problem.
According to the one side of the disclosure, a kind of preparation system of plate wood shavings is provided, comprising:
Disintegrating apparatus, for crushing the plate raw material for containing stalk；
Screening plant screens out qualified material and than qualified material partial size greatly coarse for sieving to the raw material of crushing
Material；
Thinning apparatus, for being refined to the coarse material；
The screening plant is also used to sieve the coarse material after refinement.
In a further embodiment, preparation system further includes the first cyclone separator and buffer bin, wherein described
First cyclone separator is set between the disintegrating apparatus and buffer bin, and the raw material for crushing disintegrating apparatus carries out
Cyclonic separation, the raw material isolated are exported from lower part；The buffer bin, for receiving and storing under the first cyclone separator
The raw material of portion's output, and transferring raw material is configured to screening plant.
In a further embodiment, preparation system further includes the first cleaner, for from the first cyclonic separation
The ashy substance of device top separation is dusted.
In a further embodiment, preparation system further includes the first energy centre, is connected to the screening plant, institute
It states screening plant and also screens out ash content, the ash delivery sifted out to first energy centre.
In a further embodiment, preparation system further includes the second cyclone separator, for the qualification expect into
Row cyclonic separation, the qualified material after the output separation of its underpart.
In a further embodiment, preparation system further includes a negative-pressure air fan, is connected with second cyclone separator
It is logical, for the qualified material to be passed through negative-pressure pneumatic conveying to second cyclone separator.
In a further embodiment, preparation system further includes airflow separator, for that will divide through second whirlwind
Qualified material further progress sorting from device separation, the qualified material after the output sorting of top.
In a further embodiment, the disintegrating apparatus includes sieve, for carrying out to smashed plate raw material
Pre-screening.
In a further embodiment, the thinning apparatus is sander, for polishing the coarse material.
In a further embodiment, the thinning apparatus is pulverizer, for crushing to the coarse material.
In a further embodiment, preparation system further includes conveying equipment, is set to screening plant and thinning apparatus
Between, for the coarse material screened out to be delivered to the thinning apparatus.
In a further embodiment, preparation system further includes third cyclone separator, is set to the thinning apparatus
Between buffer bin, cyclonic separation is carried out for the coarse material after refining, the coarse material after refining after separation is defeated from lower part
Out to the buffer bin.
In a further embodiment, preparation system further includes the second cleaner, for from third cyclonic separation
The ashy substance of device top separation is dusted.
According to another aspect of the present disclosure, a kind of preparation system of plate wood shavings is provided, comprising:
Disintegrating apparatus, for crushing the plate raw material for containing stalk；
Screening plant screens out qualified material and than qualified material partial size greatly coarse for sieving to the raw material of crushing
Material,
Wherein, the disintegrating apparatus is also used to carry out further dispersion and fining to the coarse material.
In a further embodiment, after the coarse material of the gained is refined, it is described continue screening include: by
Coarse material after refinement is sent into the raw material of the crushing, is sieved together.
It is following can to know that the beneficial effect of the disclosure is for the preparation system of plate wood shavings through the above technical solution
At least one aspect:
By increasing screening plant and thinning apparatus, screening and process for refining are actually increased, is prevented in production because of powder
Broken machine sieve breakage causes the wood shavings prepared undesirable, improves product qualification rate；
By increasing thinning apparatus to refine to coarse material, artificial plate surface presentation quality after sanding is improved, is kept away
There are big wood shavings in plate surface after exempting from sanding；
Production capacity is controlled by screening plant adjustment screening aperture, shutdown caused by avoiding because of inefficiency of production；
Wood-based plate artificial plate preparation method by the further equipment of preparation system of the plate wood shavings of the disclosure is made
Standby plate surface layer shaving shape out has very big improvement compared with the prior art, can greatly improve the big wood shavings of plate, panel overlay
Afterwards the defects of bulge, plate face pin hole；And appearance also has larger improvement, possesses preferable appearance experience.
Detailed description of the invention
In order to which the embodiment of the present disclosure and its advantage is more fully understood, referring now to being described below in conjunction with attached drawing,
In:
Fig. 1 is the preparation process system schematic of the wood-based plate surface layer wood shavings of the prior art.
Fig. 2 is the preparation system schematic diagram according to the plate wood shavings of the embodiment of the present disclosure.
Fig. 3 corresponding process flow chart when being preparation system work in Fig. 2.
Fig. 4 is the preparation system schematic diagram according to the plate wood shavings of another embodiment of the disclosure.
Fig. 5 is the enlarged diagram of disintegrating apparatus in Fig. 4.
Fig. 6 is the enlarged diagram of screening plant in Fig. 4.
Fig. 7 is the material screening for not using and using the preparation system preparation according to the plate wood shavings of the embodiment of the present disclosure
It is worth contrast schematic diagram.
In addition, each attached drawing is not necessarily to scale to draw, but only shown with the illustrative way for not influencing reader's understanding
Out.
Specific embodiment
According in conjunction with attached drawing to the described in detail below of disclosure exemplary embodiment, other aspects, the advantage of the disclosure
Those skilled in the art will become obvious with prominent features.
In the disclosure, following various embodiments for describing disclosure principle only illustrate, should not be with any side
Formula is construed to limitation scope of disclosure.Referring to attached drawing the comprehensive understanding described below that is used to help by claim and its equivalent
The exemplary embodiment of the disclosure of restriction.Described below includes a variety of details to help to understand, but these details should recognize
To be only exemplary.Therefore, it will be appreciated by those of ordinary skill in the art that not departing from the scope of the present disclosure and spirit
In the case of, embodiment described herein can be made various changes and modifications.In addition, for clarity and brevity, saving
The description of known function and structure is omited.In addition, running through attached drawing, same reference numerals are used for the same or similar function and behaviour
Make.In addition, those skilled in the art should although the scheme with different characteristic may be described in different embodiments
Recognize: under the premise of not causing conflict, all or part of feature of different embodiments can be combined, is not taken off with being formed
New embodiment from spirit and scope of the present disclosure.
In the disclosure, term " includes " and " containing " and its derivative mean including rather than limit.
In the disclosure, " stalk " is the general name of mature plant, crops cauline leaf (fringe) part, and feature is containing crude fibre
And lignin etc., stalk include but is not limited to after wheat, rice, corn, potato, rape, cotton and reed maturation receive seed
Remainder." plate raw material " is used raw material when preparing, and can contain the raw material of stalk, and stalk can first pass through in advance
Roughing (including but not limited to dry and dissection technique).By the plate raw material containing stalk can be all stalks of raw material or
Part material is stalk." coarse material " is that have bigger size for qualification material, in screening process, the two warp
It is formed and is distinguished after the screening plant screening of special pore size distribution.
In the disclosure, for " be set to ... and ... between ", indicate that an equipment and other two equipment have
Between product conveying relationship, can be to be indirectly connected with, be directly connected to or contactless connection.Such as " conveying equipment, setting
Between screening plant and thinning apparatus, for the coarse material screened out to be delivered to the thinning apparatus ", conveying equipment can be with
There is not connection relationship between screening plant and thinning apparatus, the coarse material that screening plant screens out falls into conveying equipment from outlet
On, such as by conveyer belt, can transport and fall into thinning apparatus.
Fig. 1 is the preparation process system schematic of the wood-based plate surface layer wood shavings of the prior art.As shown in Figure 1, wood-based plate table
The preparation process system 100 of layer wood shavings includes pulverizer 101, airflow separator 102 and plate surface layer wood shavings siccative storehouse
103。
The typical technique of the system are as follows: the plate raw material (such as blade after dissection) containing stalk passes through pulverizer
101 crush acquisition surface layer wood shavings, and wherein pulverizer includes disintegrator sieving net, by the size of crusher sifting screen distance to control
The stalk shaving shape obtained；It is sorted by airflow separator 102 to by the wood shavings of disintegrator sieving net, sorting machine 102
The wood shavings that top sub-elects are delivered to surface layer wood shavings siccative storehouse 103 as surface layer wood shavings, sorting machine lower part be sub-elect it is coarse
Material and sandstone.
However, coarse material can occur because disintegrator sieving net is broken in the production process of above-mentioned technique, plate is eventually led to not
It is qualified.Although can be controlled by reducing mesh size in pulverizer, in a certain range, stalk shaving shape
Smaller, obtained plate surface quality is better, and correspondingly, pulverizer production capacity is lower, that is to say, that goes for surface matter at this time
Measure preferable plate, corresponding pulverizer production capacity meeting Shortcomings, to restrict the production capacity of the entire production line.
Fig. 2 is the preparation system schematic diagram according to the plate wood shavings of the embodiment of the present disclosure.As shown in Fig. 2, the present invention is implemented
The preparation system 200 of the plate wood shavings of example includes: disintegrating apparatus 201, for crushing the plate raw material for containing stalk；Screening
Equipment 202 screens out qualified material and the coarse material bigger than qualified material partial size for sieving to the raw material of crushing；Refinement is set
Standby 203, for being refined to the coarse material；Screening plant 201 is also used to sieve the coarse material after refinement.Pass through
Increase screening plant 202 and thinning apparatus 203 on the basis of existing technology, actually increase screening and process for refining, prevents
Only because disintegrator sieving net breakage causes the wood shavings prepared undesirable in production, product qualification rate is improved.
To disintegrating apparatus 201 in this present embodiment, it is mainly used for for large-sized raw material being ground into satisfactory
Small size raw material.For pulverization principle (the external force mode for being applied to raw material), it can be shearing, impact, roll and grind
It is milled broken, for the plate raw material containing stalk, uses shearing grinding mode, preferably to cut off the fiber in stalk.
Divide from the type of pulverizer, can be pair roller pulverizer, beater disintegrating machine or blade type pulverizer, it is preferred to use
The pulverizer of multiple groups blade.
To screening plant 202 in this present embodiment, it is mainly used for carrying out various sizes of raw material in the area on partial size
Point, the main aperture mesh number by control screening plant 202 adjusts the size of qualified material.
In some embodiments, the screening plant 202 can be rotary screen, reciprocating gird, riddle, super sifter and vibrating screen, with
Raw material is sieved, can preferably be sieved using rotary screen.
To thinning apparatus 203 in this present embodiment, it is mainly used for being greater than size the coarse of the qualified material being sized
Material is refined, its size is reduced, and refinement, which can be, is polished and/or crushed.It, can be by beating for polishing
Mill equipment (such as sander) polishes to the coarse material, and the raw material after polishing can be used as the surface layer wood shavings of preferable form.
For crushing, disintegrating apparatus (such as pulverizer) can in addition be used to carry out crushing or using same powder to the coarse material
Broken equipment 201 is crushed.
In some embodiments, continue to sieve can be and in addition be sieved using screening plant 202, or in addition
It is sieved using screening plant, it is preferred that same screening plant 202 can be used, it is above-mentioned by being added after the refinement of coarse material
It is sieved together in smashed raw material.
It is indirectly connected with, is directly connected to it should be noted that can be between each equipment of preparation system 200 in the present embodiment
Or non-physical upper connection, as long as meeting intermediate product can be realized conveying, the embodiment of the present invention is not limited thereto.
The preparation process of plate wood shavings is carried out below in conjunction with preparation system in application drawing 2 this is further described.Fig. 3 is figure
Corresponding process flow chart when preparation system works in 2.It is shown in Figure 3, it may include steps of:
S300: the plate raw material containing stalk is crushed；
S302: sieving smashed raw material, screens out qualified material and the coarse material bigger than qualified material partial size；
S304: the coarse material is refined, and continues to sieve.
In above-mentioned preparation method, screening is added and to the refinement step of coarse material by additional on the basis of existing technology
Suddenly, while guaranteeing production capacity, the qualification rate of plate wood shavings is also improved.
For step S300, the plate raw material containing stalk can be to include various stalks (such as wheat, rice, corn, potato
Class, rape, cotton and reed straw) raw material, preferably using pure stalk as raw material, further preferably use it is single
The pure stalk of type (can reduce the regulating step in technique in this way, such as adjust disintegrating apparatus 201 and carry as plate raw material
Mesh screen aperture, make final being consistent property of plate wood shavings).
In step S300, crushing, which refers to, crushes the plate raw material containing stalk by the disintegrating apparatus such as pulverizer 201
Process.Mainly the plate raw material (such as stalk of 20-150mm) with longer dimension is formed by broken during this
The raw material wood shavings (such as having a size of 1-10mm) of smaller size.The effect of crushing also resides in the wax coat of removal stalk, makes inside
Fiber expose, connection can be intermeshed between fiber, following process is made to can make full use of the property of fiber itself in the process
Can, avoid wax coat etc. from forming interference to it.
In some embodiments, certain pre-processing is passed through for the plate raw material containing stalk, can be to original
Stalk (such as the corn stover for sloughing cereal) is dried to be handled with dissection, and drying is to remove the water in stalk
Point, such as by moisture control be 30% hereinafter, then carrying out dissection processing, such as it is cut into the size of 20-150mm.
For step S302, smashed raw material is sieved, screens out qualified material and than qualified material partial size greatly thick
Aniseed.In the step, carrying out screening to smashed raw material is to prevent from crushing in step S300 containing coarse material in raw material (relatively
In qualification material for size it is bigger) and sandstone enter follow-up phase, by adding the screening step, improve the shape of top layer raw material
State distribution, and reduce the sawing hidden danger in process.
For step S304, the coarse material is refined, and continues to sieve.The refining effect of the coarse material exists
In the utilization rate for improving raw material, after refinement, raw materials size is met the requirements, and be can be used as qualified material and is entered next technique rank
Section.Coarse material can communicated band be sent in the equipment refined.
It should be noted that between step S302 and step S304 and do not include the restriction of tandem, two steps can
It, can be while being refined to coarse material to smashed original to carry out simultaneously or before each leisure, such as in pipelined process
Material is sieved.
Fig. 4 is the preparation system schematic diagram according to the plate wood shavings of another embodiment of the disclosure.According to another reality of the disclosure
Example is applied, a kind of preparation system 400 of plate wood shavings, including disintegrating apparatus 401 are provided, the plate raw material for that will contain stalk carries out
It crushes；Screening plant 410 screens out qualified material and than qualified material partial size greatly coarse for sieving to the raw material of crushing
Material；Thinning apparatus 413, for being refined to the coarse material；Screening plant 410 is also used to carry out the coarse material after refinement
Screening.
Referring to fig. 4 and shown in Fig. 5, disintegrating apparatus 401 is used to large-sized raw material being ground into satisfactory small ruler
Very little raw material.In some embodiments, disintegrating apparatus 401 includes sieve 4011, positioned at the bottom of disintegrating apparatus 401, for powder
Plate raw material after broken carries out pre-screening.The arrow of the middle and upper part Fig. 5 is the entrance of raw material, is smashed it through in disintegrating apparatus 401
The raw material of sieve 401 can enter next equipment (such as shown in arrow according to the lower part Fig. 5), unsifted further to crush
It is crushed in equipment.
In some embodiments, preparation system 400 can also include the first cyclone separator 403 and buffer bin 409.Its
In, the first cyclone separator 403 is set between the disintegrating apparatus and buffer bin, the raw material for crushing disintegrating apparatus
Cyclonic separation is carried out, the raw material isolated is exported from lower part, in addition, the ash content of isolated another part lighter weight is then from top
Outlet discharge；Buffer bin 409 is used to receiving and storing the raw material exported from 403 lower part of the first cyclone separator, and is configured to
Can transferring raw material to screening plant 410.The opening for receiving external feed can be set in buffer bin top, and lower part can open up band
The material outlet of valve, for being delivered to screening plant 410.
In some embodiments, preparation system 400 can also include the first cleaner 408, for from the first whirlwind
The ashy substance of 403 top of separator separation is dusted.Connection type can be the entrance connection of the first cleaner 408
First cyclone separator, 403 upper outlet (is mainly used for that ash content is discharged), and the bottom of the cleaner is dust export, dust removal port
Dust is discharged from the outlet.The first cleaner 408 and its entrance to pair side there is the gas vent for being passed through atmosphere, warp
Gas after dedusting can be discharged from the outlet.
Referring to fig. 4 and shown in Fig. 6, the screening plant 410 of the present embodiment is illustrated with roller screen.As shown in fig. 6,
In some embodiments, screening plant 410 includes multistage, and the rightmost side is at broken feed(raw material)inlet A, and raw material enters roller screen
Behind inside, as lower section is mobile to the left for gravity, while the rotation of the roller screen containing filter structure, gradually sift out the original of different pore size
Material.
In some embodiments, the aperture of screening plant 410 is 1-10mm, it is further preferred that can be 3-8mm, it can
To be selected according to the demand of practical plate, the qualified material of corresponding size can be indirectly obtained.
As shown in connection with fig. 6, in some embodiments, screening plant 410 is sieved in its front end (in Fig. 6 one section of the rightmost side)
Ashy substance out is not suitable for using as the raw material of wood-based plate since the moieties granularity is smaller, therefore, optionally, will
The moieties are discharged from outlet B1.It is and described it is further preferred that preparation system 400 may include the first energy centre
The outlet B1 of screening plant is connected to, and after the ash delivery screened out to first energy centre, supplies first energy as fuel
Center operation.
As shown in connection with fig. 6, in some embodiments, screening plant 410 holds (right side second segment in Fig. 6) to screen out wherein
Qualification material, the raw material particle size of the part meet the needs of wood-based plate, can enter next technique by outlet B2 delivery outlet.
In some embodiments, preparation system 400 may also include the second cyclone separator 416, for carrying out to qualification material
Cyclonic separation (it can be connected to outlet B2), the qualified material after the output separation of its underpart.It is further preferred that preparation system
400 can also include a negative-pressure air fan 417, be connected to the top of the second cyclone separator 416, for qualification material to be passed through negative pressure
Wind is sent to second cyclone separator 416.
In some implementations, preparation system 400 can also include airflow separator 418, and being used for will be through the second cyclonic separation
The qualified material further progress sorting of device separation, the qualified material after the output sorting of top.During pneumatic separation, from upper part
From qualified material enter next technique (such as sizing) as plate wood shavings.From lower part, separation can produce coarse material, here
Coarse material can be refined with further progress and screening step, and in addition lower part is also possible that sandstone, that is, in the technical process
In the impurity such as sandstone can further be removed.
As shown in connection with fig. 6, in some embodiments, screening plant 410 is screened out in its endpiece (left side second segment in Fig. 6)
Coarse material, the coarse material of the part can continue to enter next technique as raw material after grinding apparatus is polished, which can
It is discharged by the outlet B3 of screening plant 410.
In some embodiments, preparation system 400 may include conveying equipment 412, be set to screening plant and refinement
Between equipment, for the coarse material screened out to be delivered to the thinning apparatus.It is defeated that the coarse material that B3 is discharged from outlet falls into this
It send in equipment 412, thinning apparatus is reached after transmitting.Optionally, which is the scratch board conveyor containing conveyer belt.
As shown in connection with fig. 6, in some embodiments, screening plant 410 screens out at its end (one section of the leftmost side in Fig. 6)
Aniseed is crossed, by outlet B4 discharge, the raw materials size of the part is excessive, wants by that may not meet still after subsequent process for refining
It asks.It is further preferred that preparation system 400 may include the second energy centre, it is connected to the outlet B4 of the screening plant,
After the mistake aniseed screened out is delivered to second energy centre, run as fuel for the second energy centre.
The front end of above-mentioned screening plant 410, terminal, tail end and end screening aperture preferably there is difference, such as sieve
Point aperture is followed successively by front end, terminal, tail end and end from small to large.
In some embodiments, preparation system 400 may include third cyclone separator 406, be set to thinning apparatus
Between 413 and buffer bin 409, for after refining coarse material carry out cyclonic separation, after separation refine after coarse material from
Lower part is exported to the buffer bin 409.The cyclonic separation process can refer to the set-up mode of the first cyclone separator, herein not
It gives and repeating.
It in some embodiments, further include the second cleaner 404, for from part on third cyclone separator 406
From ashy substance be dusted.The set-up mode of second cleaner 404 can refer to the first cleaner 408, herein not
It gives and repeating.
As shown in figure 4, the typical transmission process of preparation system 400 can be with are as follows: plate raw material containing stalk (such as grass
Piece) enter the first cyclone separator 403 progress cyclonic separation after the crushing of pulverizer 401, the plate raw material containing stalk is under
Part separates out, and subsequently into buffer bin 409, ash content etc. is separated from top, sent through 407 wind of the first blower to the first cleaner
408 (such as bag filters), dust are discharged from lower part, and the gas after dedusting drains into atmosphere；Into the plate of buffer bin 409
Material raw material is sent into screening plant 410 (such as rotary screen) and is sieved, and the thin conduct ash content of light partial size is defeated through the second blower 411
It send to the first energy centre, the conduct qualification material within the scope of predetermined size of screening (uses rotary screen, that is, closes in the present embodiment
Lattice material position is in the middle part of rotary screen) enter in next technique, such as glue-applying technique can be entered, qualified material is through negative pressure wind before this
417 wind of machine is sent to the second cyclone separator 416, and subsequently into airflow separator 418, qualification material is sub-elected from top, and lower part is then
Sub-elect the impurity such as coarse material and sandstone.For the coarse material (partial size be greater than qualified material) screened out from screening plant 410, one
The second energy centre 415 can be directly entered as fuel by, which, uses, and two, (such as the scraper plate of conveying equipment 412 can also be passed through
Transporter) it is delivered to thinning apparatus 413 (such as sander) and is refined, third is delivered to through conveying device 414 again after refinement
Cyclone separator 406 after cyclonic separation, is again introduced into buffer bin 409, the ash content that cyclonic separation is isolated from top from lower part
It send through four fan device 405 to the second cleaner 404 (such as bag filter), dust is discharged from lower part, the gas after dedusting
It drains into atmosphere.The above is only elaborating the present invention and the illustrative embodiments that provide, specific set-up mode not structure
The restriction of the pairs of disclosure.
The embodiment of the present disclosure also provides the preparation system of another plate wood shavings, comprising: disintegrating apparatus, for stalk will to be contained
Plate raw material crushed；Screening plant screens out qualified material and than qualified material grain for sieving to the raw material of crushing
The big coarse material of diameter；The disintegrating apparatus is also used to carry out further dispersion and fining to the coarse material.The setting of these equipment
Mode is different only in that referring to shown in Fig. 2 and Fig. 4 and replaces thinning apparatus to implement Refinement operation by disintegrating apparatus, saves in this way
The integral device quantity for having saved system achievees the purpose that reduce process and reduces cost.
Fig. 7 is the material screening for not using and using the preparation system preparation according to the plate wood shavings of the embodiment of the present disclosure
It is worth contrast schematic diagram.Top layer raw material shaving shape, which is distributed, preferably to be controlled, to (corresponding existing artificial slat production line before transformation
The wood-based plate of formation) and transformation after (the artificial slat production line of the corresponding preparation system using embodiment of the present disclosure wood shavings containing plate
The wood-based plate of formation) material screening value it is for statistical analysis.
As shown in fig. 7, main improvement are as follows: reduce by 8 percentage points before being relatively transformed after the coarse wood shavings transformation of >=1.7mm；
The fines (ash content) of≤1.8mm increases about 5.6 percentage points；Surface layer wood shavings are mainly distributed between 0.18~1.7mm, are maintained at
Between 74~78%, wherein the larger wood shavings of 0.85~1.7mm reduce by 7 percentage points, the preferable wood shavings of 0.18~0.85mm change
Increase by 10 percentage points before being relatively transformed after making.
More than, the embodiment of the present disclosure is by increasing the use of screening plant and thinning apparatus and buffer bin newly, in raw material
Coarse wood shavings and impurity effectively rejected so that top layer raw material fractions distribution and plate surface quality all have a distinct increment,
And the removal of impurity reduces the sawing hidden danger in process.
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 (13)
1. a kind of preparation system of plate wood shavings characterized by comprising
Disintegrating apparatus, for crushing the plate raw material for containing stalk；
Screening plant screens out qualified material and the coarse material bigger than qualified material partial size for sieving to the raw material of crushing；
Thinning apparatus, for being refined to the coarse material；
Wherein, the screening plant is also used to sieve the coarse material after refinement.
2. the preparation system of plate wood shavings according to claim 1, which is characterized in that further include the first cyclone separator and
Buffer bin, wherein
First cyclone separator, is set between the disintegrating apparatus and buffer bin, for crush disintegrating apparatus
Raw material carries out cyclonic separation, and the raw material isolated is exported from lower part；
The buffer bin for receiving and storing the raw material exported from the first cyclone separator lower part, and is configured to defeated
Send raw material to screening plant.
3. the preparation system of plate wood shavings according to claim 2, which is characterized in that further include the first cleaner, use
It is dusted in the ashy substance separated from the first cyclone separator top.
4. the preparation system of plate wood shavings according to claim 2, which is characterized in that it further include the first energy centre, with
The screening plant connection, the screening plant also screen out ash content, the ash delivery sifted out to first energy centre.
5. the preparation system of plate wood shavings according to claim 1, which is characterized in that it further include the second cyclone separator,
For carrying out cyclonic separation to the qualified material, the qualified material after the output separation of its underpart.
6. the preparation system of plate wood shavings according to claim 5, which is characterized in that further include a negative-pressure air fan, with institute
The connection of the second cyclone separator is stated, for the qualified material to be passed through negative-pressure pneumatic conveying to second cyclone separator.
7. the preparation system of plate wood shavings according to claim 5, which is characterized in that further include airflow separator, be used for
The qualified material further progress sorting that will be separated through second cyclone separator, the qualified material after the output sorting of top.
8. the preparation system of plate wood shavings according to claim 1, which is characterized in that the disintegrating apparatus includes sieve,
For carrying out pre-screening to smashed plate raw material.
9. the preparation system of plate wood shavings according to claim 1, which is characterized in that the thinning apparatus be sander or
Pulverizer, for the coarse material to be polished or crushed.
10. the preparation system of plate wood shavings according to claim 1, which is characterized in that further include conveying equipment, be set to
Between screening plant and thinning apparatus, for the coarse material screened out to be delivered to the thinning apparatus.
11. the preparation system of plate wood shavings according to claim 2, which is characterized in that it further include third cyclone separator,
It is set between the thinning apparatus and buffer bin, carries out cyclonic separation for the coarse material after refining, refined after separation
Coarse material afterwards is exported from lower part to the buffer bin.
12. the preparation system of plate wood shavings according to claim 11, which is characterized in that it further include the second cleaner,
For being dusted to the ashy substance separated from third cyclone separator top.
13. a kind of preparation system of plate wood shavings characterized by comprising
Disintegrating apparatus, for crushing the plate raw material for containing stalk；With
Screening plant, for being sieved to the raw material of crushing, screening out qualified material and expecting the coarse material of partial size greatly than qualified,
Wherein, the disintegrating apparatus is also used to carry out further dispersion and fining to the coarse material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711200419.1A CN109834796A (en) | 2017-11-24 | 2017-11-24 | The preparation system of plate wood shavings |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711200419.1A CN109834796A (en) | 2017-11-24 | 2017-11-24 | The preparation system of plate wood shavings |
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| CN203291973U (en) * | 2013-05-23 | 2013-11-20 | 江苏锦禾高新科技股份有限公司 | Vortex airflow straw crushing device |
| CN103992836A (en) * | 2014-05-28 | 2014-08-20 | 德清富森利节能科技有限公司 | Wood chip smashing system and biomass wood chip granular fuel production equipment comprising same |
| CN105062605A (en) * | 2015-07-20 | 2015-11-18 | 广东喜扬生物能源科技有限公司 | Biomass particle forming method |
| CN107297329A (en) * | 2017-07-04 | 2017-10-27 | 广西祥盛木业有限责任公司 | A kind of wood shavings sorting unit and its method for separating |
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2017
- 2017-11-24 CN CN201711200419.1A patent/CN109834796A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203291973U (en) * | 2013-05-23 | 2013-11-20 | 江苏锦禾高新科技股份有限公司 | Vortex airflow straw crushing device |
| CN103992836A (en) * | 2014-05-28 | 2014-08-20 | 德清富森利节能科技有限公司 | Wood chip smashing system and biomass wood chip granular fuel production equipment comprising same |
| CN105062605A (en) * | 2015-07-20 | 2015-11-18 | 广东喜扬生物能源科技有限公司 | Biomass particle forming method |
| CN107297329A (en) * | 2017-07-04 | 2017-10-27 | 广西祥盛木业有限责任公司 | A kind of wood shavings sorting unit and its method for separating |
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