CN1085150A - Strengthen compressed straw slab and production method thereof - Google Patents
Strengthen compressed straw slab and production method thereof Download PDFInfo
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- CN1085150A CN1085150A CN 93105843 CN93105843A CN1085150A CN 1085150 A CN1085150 A CN 1085150A CN 93105843 CN93105843 CN 93105843 CN 93105843 A CN93105843 A CN 93105843A CN 1085150 A CN1085150 A CN 1085150A
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Abstract
The present invention is a kind of enhancing compressed straw slab and production method thereof.By the present invention's method make compressed straw slab be not directly with the straw that looses for processing raw material, but the straw that will loose is earlier made rope and curtain, and then will restrict and curtain be pressed into slab, heating is shaped into the plate core, through operations such as clad can reinforcement and decoration, cooling, cutting and end-blockings, make product (referring to Figure of abstract) again.Produce compressed straw slab with this method, charging is smooth and easy, and evenly structure is closely knit, and fiber is successive in length and breadth, its intensity, and particularly longitudinal strength improves greatly.It is better than the compressed straw slab that pressurizes, and can match in excellence or beauty with timber, and performances such as sound insulation, heat insulation, fire prevention surpass timber.Can be used as fireproof door, partition wall, furred ceiling and roof Material, also can be used as train railway carriage, packing case and furniture etc.Abundant raw material, method is simpler, and economical, societal benefits are remarkable, and factory is done in suitable district, small towns.
Description
One the present invention is a kind of enhancing compressed straw slab and production method thereof, belongs to building and versatile material field.
Two known compressed straw slabs have two kinds: a kind of is the gummed compressed straw slab, and another kind is the pressurization compressed straw slab.Corresponding compressed straw slab production method also has two kinds: a kind of is that the straw chopping is added glue stirring and even, is laid on the template, is pressed into the gummed compressed straw slab; Another kind is straw is carried and to be poured extrusion chamber with stamping machine, adds thermal finalization then, clad can is made the pressurization compressed straw slab.
A kind of method in above-mentioned back is promptly identified through the strictness of English architecture research institute in nineteen forty-six: " this village Mi Te " be method (Stramit).This method is 20 several countries in the world, comprise China, have obtained to apply (referring to " utilizing agricultural residues such as straw, rice husk to produce construction material " September nineteen eighty-two, technical information research on standard institute of State Bureau of Building Materials Industry).
Why this method obtains than extensive use, is because it has economical and practical advantage.But this method also exists significant drawback, be exactly, the compressed straw slab internal structure that this method is produced is irregular, longitudinal fiber is discontinuous, be to bond together between a branch of straw by mechanical compaction and the oozy colloid of straw self, intensity is limited, and particularly longitudinal strength is low, and range of application is restricted; Moreover production is taken up an area of many, and original capital is bigger.
Three the objective of the invention is to: realize the ideal of " with careless Dai Mu ", by improving the production method of pressurization compressed straw slab, improve the compressed straw slab internal structure, improve intensity, to reach and to surpass strength of wood, can match in excellence or beauty with timber, develop a kind of general new material-enhancing compressed straw slab.Simultaneously, make the production cost of this new material low, original capital is economized, and can be used widely.
Four contents of the present invention are: in advance straw is made straw rope and straw screen or mat, and then make a kind of enhancing compressed straw slab with straw rope and straw screen or mat, its method comprises: system straw rope and straw screen or mat, be pressed into that slab, heating are shaped into the plate core, clad can is strengthened and be decorated eight procedures such as enhancing compressed straw slab product that continuous enhancing compressed straw slab, oven dry, cooling, cutting and end-blocking become certain specification length.Referring to technological process of production figure (Fig. 1):
1, rope making and system curtain: the straw that will loose is made the straw rope and the straw curtain of a rolling respectively with straw-rope machine and straw curtain machine;
2, compacting: respectively with straw rope and straw curtain, or mixing part straw rope is pressed into the straw slab with part straw curtain.Pressure limit: 80～120 kg/square centimeter;
3, heating: the straw slab is sealed heating be shaped into plate core, heating-up temperature: 180～220 degree Celsius; Heat time heating time: 1～3 minute;
4, clad can: the compressed straw slab wicking surface after adding thermal finalization applies and pastes one deck enhancing and decorative facing material;
5, oven dry: will apply facing material compacting, oven dry, subsides jail on pasting.Temperature: 180～220 degree Celsius; Time: 1～3 minute;
6, cooling: the continuous compressed straw slab behind the clad can is cooled to cutting temperature, 40～60 degree Celsius;
7, cut off: the clad can compressed straw slab is cut into specification;
8, end-blocking: otch is sealed with closed material.
The enhancing compressed straw slab structure of making as stated above comprises plate core and overlay: the plate core all by the straw rope or all by the straw curtain or the part by the straw rope and the part form by the straw curtain is repressed; Overlay is to be coated on the superficial layer that reinforcement and decoration function are played in plate core outside, pastes with facing material
Parcel forms.Strengthening compressed straw slab is a kind of interlayer composite material.
Straw rope and straw curtain can be overlapping or weave by different way, then are pressed into the straw material and the goods core of different shape again, coat various facing materials of different nature again, just can satisfy the instructions for use of various different purposes.
Five the present invention have following advantage and good effect:
1, comparison science of the present invention and solved the concrete grammar problem of " with careless Dai Mu " practically.Wood, 10 years difficult trees; Grass, 1 year withered and flourishing.10 years foresight were just just separated nearly sorrow in 1 year.Utilize the straw that every year all has, by method of the present invention, processing is become a useful person, and comes replacing wood, has to solve the good effect that timber lacks problem.Can utilize the stalk of various cereal crops such as straw by method of the present invention, comprise that sorghum stalk and cornstalk (because they can make curtain together with the straw rope) make the various materials and the goods that can replace timber.Specifically: the intensity of enhancing straw sheet material and section bar particularly longitudinal strength improves greatly, not only can be used as the non-stress member, also can be used as primary structure member, as body of wall, crossbeam, rafter, keel, door-plate, doorframe or the like.
Reinforced rice straw board has good fire prevention, water resistance, this be since the material core after high temperature high pressure process, inner anoxic, its secretion is fire-retardant; After clad can is coated with urine aldehyde epoxy glue and solidifies, not only prevented fires but also waterproof insect pest such as also termite-proof grade.
If adopt the method for piecing together sticking lamination to make large scale straw section bar, can be used for building or other engineering.Can not ranting out, make raw material with straw fully, build into modernized house, particularly prefabricated buildings, is fully possible, realizes also in the near future.
Strengthen compressed straw slab and not only can be used as construction material, handle, also can be used as other industrial materials, as make furniture, packing case, train case etc. through re-surface.
2, economic effect of the present invention is obvious, and is not only abundant but also cheap because primary raw material originally is agricultural residue, only severally shares money one jin.Production auxiliary materials is used seldom again, and production method is also simpler, so production cost is lower, estimates about 13 yuan of every square metre of cost, unlike pressurization straw plate hight, and lower than timber.Producer price is a 18-20 unit, produces the compressed straw slab factory of 300,000 square meters per year, and year profit is ten thousand yuan of 150-240.
3, because production method of the present invention, be in advance diffusing straw rope making and system curtain, and then further process.So just, help solving the problem of raw-material storage and transportation aspect, diffusing straw can disperse to be processed on the spot straw rope and straw screen or mat, dwindle storage and transportation volume, equipment such as concentrated storage straw necessary bulk place and fire prevention, rainproof and anti-thunder and lightning have been saved, reduced the original capital of founding the factory, both be suitable for the district, small towns and done factory, also can near the city, do factory.
4, popularization of the present invention helps the development of agricultural and rural economy, and the peasant plants grain, kills two birds with one stone, and has not only solved to eat but also solve the problem of living: not only sell grain but also sell grass.Singly sell grass, every mu of ground also can increase income 60-70 unit.If be processed into straw rope or straw screen or mat is sold again, that increases income just more, increases income 120-140 unit to I haven't seen you for ages.The peasant builds a house with straw sheet material and section bar, will replace the brick and tile dust and sand, favourable protection soil.China produces three, 400,000,000,000 jin of straw, wheat straw and other grain stalk every year at least, if all utilize, can produce about 80,000,000,000 square metres of straw sheet materials, by 20 yuan of present producer prices, can create about 160,000,000,000 output values every year.
5, produce compressed straw slab than producing brick and tile and save 1/3rd the energy, live the straw board house than living tile-roofed house and also save the energy.The present invention will be for solving the world today's two big crisis-crises of resource and energy crisis operation contribution.
Six embodiment
The relevant accompanying drawing of embodiment is as follows:
The roll-in of Fig. 2 straw rope strengthens compressed straw slab
The roll-in of Fig. 3 straw curtain strengthens compressed straw slab
Curtain punching press of Fig. 4 straw and the roll extrusion of straw rope strengthen compressed straw slab
Fig. 5 straw curtain roll-in flat bar
Fig. 6 straw curtain roll-in beam channel
The roll-in of Fig. 7 straw rope strengthens compressed straw slab production line schematic diagram
Curtain punching press of Fig. 8 straw and the roll extrusion of straw rope strengthen compressed straw slab production line schematic diagram
The roll-in of straw rope strengthens compressed straw slab, and all roll-in forms as rapidoprint with the straw rope, and concrete grammar is as follows:
1, rope making: on the spot with machine or by hand or half machine semi-hand method, straw is made the straw rope that diameter is 5～20mm in advance in the straw place of production, become tube on axle, every heavy 15～20 kilograms, so that carrying and using;
2, roll-in: the yarn tube on before being placed on loom one one straw rope, as weaving cotton cloth, they are placed on the feed frame (7.1a) of drawing-in device (7.1) in order, divide two rows, 15 of every rows, all fag ends twine the twice rope by opposite two the horizontal rope winchers (7.1c) of direction of rotation again by guide roller (7.1b) and neat on the row's rope that vertically advances.Then through roll squeezer (7.2), its power 15～20KW, roll-in input extrusion chamber (7.3), the propulsive thrust by Mo Chali and continuous slab makes the straw rope compacted in extrusion chamber, form have bounce, the straw slab of indefinite form still;
3, heating: slab moves on, and enters heater (7.4), is heated to about 200 degree Celsius, and the straw expanded by heating produces bigger extruding force, and straw just discharges moisture and the colloid of self under HTHP, and hardening is followed the string, and forms continuous compressed straw slab plate core;
4, clad can: the plate core is by the rubber-coated mechanism (7.5a) of gluing clad can system (7.5), be coated with last layer urine aldehyde hybrid adhesive on the surface, pass through paster mechanism (7.5b) surface and the continuous respectively woodgrained paper that pastes of lower surface thereon then, through the roll-in compacting, pass through edge-folding mechanism (7.5c) again lower hem on the paper is pasted jail, parcel sealing;
5, oven dry: the continuous compressed straw slab that sticks clad can paper enters drying heater (7.6), makes binding agent solidify, cement.Bake out temperature: about 200 degree Celsius;
6, cooling:, be cooled to 40～60 degree Celsius through cooling roller bed (7.7);
7, cut off: continuous slab is pressed the length specification size, as 1.8-3.6 rice through cutting machine (7.8); Cut into the specification compressed straw slab;
8, end-blocking: the plate after the cut-out is served end sealing machine (7.9), scribbles the strip of paper that PUR, another side be printed on trade mark with one side and seals the end face that saw kerf exposes, and just becomes the roll-in of straw rope and strengthens compressed straw slab product (referring to Fig. 2).
It is three layers of branches that the roll-in of this kind straw rope strengthens the compressed straw slab architectural feature: the 2.1-overlay; 2.2-the horizontal straw rope layer of plate core; 2.3-vertical straw rope layer of plate core.
Also can produce the roll-in of straw curtain with said method and strengthen compressed straw slab (referring to Fig. 3), the architectural feature that the roll-in of this kind straw curtain strengthens compressed straw slab is that branch is two-layer: the 3.1-overlay; 3.2-the plate core is directly by quilting formula straw curtain, promptly laterally the straw curtain roll-in of straw quilting between laterally zygomorphic straw rope forms.
Also can produce the roll-in of straw curtain with said method and strengthen the straw section bar: flat bar (referring to Fig. 5), beam channel (referring to Fig. 6).Its inner structural features is identical with straw curtain roll-in enhancing compressed straw slab, just the profile difference.5.1-overlay; 5.2-material core.Flat bar is suitable for makees doorframe.6.1-overlay; 6.2-material core.Beam channel is suitable for doing keel.
In order to produce above-mentioned several similar products with straw screen or mat, only need the straw rope conveying device (7.1) among Fig. 7 is changed into straw curtain conveying device (8.1) among Fig. 8, roll squeezer (7.2), extrusion chamber (7.3), heater other parts such as (7.4) are designed to have corresponding pass and get final product.
Said method also is applicable to and strengthens straw sheet material, particularly thin plate and coiled material being rolled into after the braiding of straw rope again.
1, system curtain and rope making, identical with last example;
2, punching press and roll-in, the straw curtain through feeding controlling organization (8.2W), causes the porch of stamping machine drift (8.2) by feed frame (8.1), and drift is reciprocating, again and again extrusion chamber (8.3) is poured in the segmentation of straw curtain; Simultaneously the straw rope at the extrusion chamber rear portion among horizontal straw is imbedded in pressure roller (8.3W) roll-in, be squeezed into together and strengthen the straw slab;
3, add thermal finalization, slab enters heater (8.4), and heating is shaped into the plate core;
4, clad can, the plate core at first through glue spreader (8.5T) gluing, covers paper and edge-folding mechanism (8.5E) flanging through covering mechanism of paper (8.5Z) through gluing clad can system (8.5) again;
5, oven dry enters post-heater (8.6),, oven dry real the clad can letterweight and paste the jail;
6, cooling is cooled off and is carried through cooling roller bed (8.7);
7, cut off, cut off by specification length by cutting machine (8.8);
8, end-blocking on end sealing machine (8.9), is sealed the cutting end face with end-blocking paper, strengthen compressed straw slab.
The inner structural features that this kind strengthens compressed straw slab (Fig. 4) is that branch is two-layer: the 4.1-overlay; 4.2-be embedded with the plate core of vertical straw rope.With directly be rolled into the straw curtain different, vertically the straw rope of upper and lower surface is asymmetric, does not also have quilting together.
This method also can develop, and for example, takes formative methods such as braiding after the rope making, make type just, and then mold pressing, hot briquetting, continue with the subsequent handling of necessity, make the straw section bar and the goods of different shape at last, as cylindrical shell, tubing, roofing tile, box, chest, plate or the like.
Claims (9)
1, a kind of production method that strengthens compressed straw slab, it comprises: system straw rope and straw curtain, compacting straw slab heating stereotype plate core, clad can reinforcement and eight procedures such as decoration, oven dry, cooling, cut-out and end-blocking; Its principal character is: 1. rope making and system curtain operation are essential, and straw rope and straw curtain are to make the direct material that strengthens compressed straw slab, carry out but can separate the strange land with other subsequent handling; 2. Ya Zhi method is not single punching press of using, but with roll-in or roll bonding punching press; 3. clad can is not only decoration, but increases one deck layer structure, to constitute a kind of interlayer composite material, makes the existing decorative effect of clad can, and more important is to increase structural strength; The not only available paper of material also can adopt the organic synthesis material, or with stickup, or with extrusion molding and plastic-blasting mode clad can, make to constitute a kind of interlayer enhancing compressed straw slab;
2, require 1 according to aforesaid right, the preparation method of quilting formula straw curtain is to pave with the straw that manually will loose to form the grass layer that continuously looses on the conveyer belt of certain width, symmetry uses the guide roller roll-in at the upper and lower surface of straw layer that looses several to the straw rope up and down again, and with quilter respectively every pair of straw rope together;
3, require 1 according to aforesaid right, drawing method adopts the continuous rolling method; Roll-in can be used once charging roll-in, also available secondary feeds roll-in; Available plain-barreled roll roll-in, also available patterned roll roll-in;
4, require 1 and 3 according to aforesaid right, be material all with the straw rope, the enhancing compressed straw slab production method that with the roll-in is feature is so to realize: (referring to Fig. 7) is placed on one one straw rope on the feed frame (7.1a) of drawing-in device (7.1) in order, the fag end of all straw ropes is by guide roller (7.1b) and neat, again by horizontal straw rope in horizontal rope wincher (7.1c) winding, enter roll squeezer (7.2) then, roll-in input extrusion chamber (7.3), be squeezed into slab, enter heater (7.4) again, heating is shaped into the plate core;
5, requiring 4 according to aforesaid right, is material with the straw rope all, is that the enhancing compressed straw slab structure of feature is divided into three layers with the roll-in: (referring to Fig. 2) 2.1-overlay, the horizontal straw rope layer of 2.2-plate core, vertical straw rope layer of 2.3-plate core;
6, require 1 and 3 according to aforesaid right, be material all with the straw curtain, the production method that with the roll-in is the enhancing compressed straw slab of feature is so to realize: (referring to Fig. 8 and Fig. 7) places feed frame as (8.1) on the straw curtain, on, manually causing roll squeezer as (7.2) porch earlier, the straw curtain is nipped, send extrusion chamber (7.3) to, be squeezed into slab, reenter heater (7.4), heating is shaped into the plate core;
7, according to claim 6, be material all with the straw curtain, the enhancing compressed straw slab structure that roll-in forms is two-layer: (referring to Fig. 3, Fig. 5 and Fig. 6) 3.1,5.1 and 6.1 is overlay; 3.2; 5.2 and 6.2 be the plate core that quilting formula straw curtain is suppressed;
8, require 1 and 2 according to aforesaid right, with a part of straw curtain and a part of straw rope is material, is that the enhancing compressed straw slab production method of feature is so to realize with punching press in conjunction with roll-in: (referring to Fig. 8) places the straw curtain on the feed frame (8.1), manually cause earlier feeding mechanism (8.2w) porch, allow stamping machine drift (8.2) begin to move back and forth, feeding mechanism is delivered to the drift porch with the straw curtain automatically in good time, poured extrusion chamber (8.3) by segmentation, the straw rope is then imported from the extrusion chamber rear portion with pressure roller by upper and lower surface respectively, be squeezed into slab together, enter heater (8.4) heating then and be shaped into the plate core;
9, requiring 8 according to aforesaid right, is raw material with a part of straw curtain and a part of straw rope, and the enhancing compressed straw slab structure of making in conjunction with roll-in with punching press is two-layer: (referring to Fig. 4) 4.1-is an overlay; 4.2-be the plate core;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93105843 CN1085150A (en) | 1993-05-26 | 1993-05-26 | Strengthen compressed straw slab and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93105843 CN1085150A (en) | 1993-05-26 | 1993-05-26 | Strengthen compressed straw slab and production method thereof |
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| CN1085150A true CN1085150A (en) | 1994-04-13 |
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| CN 93105843 Pending CN1085150A (en) | 1993-05-26 | 1993-05-26 | Strengthen compressed straw slab and production method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985667A (en) * | 2015-06-25 | 2015-10-21 | 大连金州重型机器集团有限公司 | Extrusion forming method for man-made straw panel |
| CN105128491A (en) * | 2015-06-29 | 2015-12-09 | 大连金州重型机器集团有限公司 | Surface-layer paper cladding apparatus for artificial straw sheet material and method |
| CN106476107A (en) * | 2016-12-19 | 2017-03-08 | 吉林恒大环保工程有限公司 | Paper paddy and wheat grass plate and its process units and production method |
| CN112041137A (en) * | 2018-05-02 | 2020-12-04 | Xylo科技股份公司 | Method and apparatus for manufacturing panel, panel for manufacturing panel, method and apparatus for manufacturing panel, and panel manufactured by the method |
| CN115160813A (en) * | 2022-07-29 | 2022-10-11 | 胡蕾蕾 | Preparation method of degradable wood-plastic composite material |
| CN115160813B (en) * | 2022-07-29 | 2024-05-14 | 徐军飞 | Preparation method of degradable wood-plastic composite material |
-
1993
- 1993-05-26 CN CN 93105843 patent/CN1085150A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985667A (en) * | 2015-06-25 | 2015-10-21 | 大连金州重型机器集团有限公司 | Extrusion forming method for man-made straw panel |
| CN105128491A (en) * | 2015-06-29 | 2015-12-09 | 大连金州重型机器集团有限公司 | Surface-layer paper cladding apparatus for artificial straw sheet material and method |
| CN106476107A (en) * | 2016-12-19 | 2017-03-08 | 吉林恒大环保工程有限公司 | Paper paddy and wheat grass plate and its process units and production method |
| CN106476107B (en) * | 2016-12-19 | 2019-04-02 | 吉林恒大环保工程有限公司 | Paper paddy and wheat grass plate and its process units and production method |
| CN112041137A (en) * | 2018-05-02 | 2020-12-04 | Xylo科技股份公司 | Method and apparatus for manufacturing panel, panel for manufacturing panel, method and apparatus for manufacturing panel, and panel manufactured by the method |
| US11518061B2 (en) | 2018-05-02 | 2022-12-06 | Xylo Technologies Ag | Method and apparatus for producing a board |
| CN115160813A (en) * | 2022-07-29 | 2022-10-11 | 胡蕾蕾 | Preparation method of degradable wood-plastic composite material |
| CN115160813B (en) * | 2022-07-29 | 2024-05-14 | 徐军飞 | Preparation method of degradable wood-plastic composite material |
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