CN105526430B - A kind of stalk coiled composite tube and preparation method thereof - Google Patents
A kind of stalk coiled composite tube and preparation method thereof Download PDFInfo
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- CN105526430B CN105526430B CN201610073252.6A CN201610073252A CN105526430B CN 105526430 B CN105526430 B CN 105526430B CN 201610073252 A CN201610073252 A CN 201610073252A CN 105526430 B CN105526430 B CN 105526430B
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- stalk
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of stalk coiled composite tube and preparation method thereof, which, along caliber direction, successively includes liner layer, enhancement layer and external protection coating from the inside to the outside, and the enhancement layer is made of the stalk layer that multilayer stalk stem is entwined.It the described method comprises the following steps: stalk being removed into the rest part in addition to stem, is cut into equal length after dry；Liner layer is made using fabric and adhesive；Stalk stem in the same direction is conveyed above grid cloth, it is laid on it closely on grid cloth in parallel, then the stalk stem laid is compressed into tablet form, then stalk stem is sewed, stalk stem after sewing with grid cloth be conveyed through steeping vat impregnation after, it is wrapped on liner layer, cured acquisition enhancement layer；External protection coating is prepared outside stalk structure sheaf.Stalk is wound in multiple tube by the present invention, can be widely applied to the fields such as agricultural irrigation, draining and building ventilation, and environmentally protective, light weight is at low cost, makes full use of slack resources.
Description
Technical field
The invention belongs to compound pipeline complex pipeline fields, more particularly, to a kind of stalk coiled composite tube and preparation method thereof.
Background technique
It manages, generallys use in the field not high to pipeline bearing requirements such as agricultural irrigation, draining and building ventilation at present
The conventional pipelines such as pipe of cement, polyvinyl chloride, polyethylene, polypropylene, glass reinforced plastic pipe, thin gauge conduit.Pipe of cement is at low cost, but weight
Weight, pipe fitting leakiness；Polyvinyl chloride, polyethylene, polypropylene pipe are light, smooth and corrosion-resistant, but its raw material is petroleum
Work synthetic products consume a large amount of valuable petroleum resources；Glass reinforced plastic pipe and FRP sand tube is corrosion-resistant, fluid resistance is small, but
Product uses primary raw material reinforcing material for the glass fibre of high energy consumption, and resin is petrochemical industry synthetic products, product and waste material
It not can be recycled, not environmentally；That there are rotproofness is poor for sheet steel pipe, production process energy consumption is high, pollution is high, not environmentally the disadvantages of.Therefore make
With this kind of conventional pipelines, it is non-renewable to consume a large amount of mineral resources and high energy consumption maximum discharge, resource.
Stalk is the general name of mature crops cauline leaf (fringe) part, and there is largely idle stalk resource in rural area, main at present
It is made compost for feed, heap, fuel etc., cannot be fully utilized, result in waste of resources, and can also be polluted as fuel combustion
Environment.Therefore, it under the premise of how can guarantee environmental protection, applies stalk resource on a large scale, is those skilled in the art
Urgent problem.
CN201010277587.2 discloses a kind of light composite stalk ventilation duct, including substrate and fixed strip, described
Fixed strip is separately positioned on the angle of adjacent two substrates, is fixedly connected between fixed strip and adjacent two substrates, and the substrate is adopted
With composite stalk light cellular partition board.The above-mentioned prior art uses stalk that composite stalk light cellular partition board is made first, then is spliced into
The application range of square ventilating duct, complex process, and square pipe is narrow, does not have versatility.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of stalk coiled composite tube and its systems
Preparation Method is broken through the traditional application range of stalk, is passed through wherein stalk is prepared stalk coiled composite tube by canoe
Reasonable utilization to stalk reduces production cost and the wasting of resources, and by compound control to realize that slack resources utilize
The research of Preparation Method and technique can prepare energy conservation and environmental protection, low-cost stalk bamboo coiled composite tube, can be applied to agriculture filling
It irrigates, drain and the fields not high to pipeline bearing requirements such as building ventilation.
To achieve the above object, according to one aspect of the present invention, a kind of stalk coiled composite tube is proposed, along caliber side
To from the inside to the outside successively including liner layer, enhancement layer and external protection coating, the enhancement layer is made of multilayer stalk layer, the stalk
Layer is entwined by stalk stem.
It is described auxiliary as it is further preferred that be additionally provided with auxiliary enhancement layer between any two layers of the enhancement layer
Helping enhancement layer is the clay layer mixed by resin and filler, and the filler is natural plants filler or inorganic mineral filler.
As it is further preferred that the natural plants filler is bamboo fibre, wood-fibred, flaxen fiber, plant shell fiber
One or more of.
As it is further preferred that the inorganic mineral filler is the mountain flour and/or ore in sand form of graininess and/or powdery.
As it is further preferred that the stalk is one of wheat straw, straw, corn stover, broomcorn straw or a variety of.
It is another aspect of this invention to provide that providing a kind of method for preparing the stalk coiled composite tube, including following
Step:
Stalk is removed into the rest part in addition to stem, equal length will be cut into after the drying of stalk stem；
The liner layer of anti-corrosion leak-proof is made on straight tube mold using fabric and adhesive；
Grid cloth is wrapped on liner layer, stalk stem in the same direction is conveyed above grid cloth, make stalk stem with
Conveying of the grid cloth to mold is closely laid on grid cloth in parallel, is then compressed into tablet form the stalk stem laid, is connect
Along perpendicular to stalk stem be laid with direction stalk stem is sewed, stalk stem is conveyed through steeping vat with grid cloth
It after impregnation, is wrapped on the liner layer, cured acquisition enhancement layer；
Finally in the material of one layer of anti-corrosion waterproof of enhancement layer trypsin method, external protection coating is formed.
As it is further preferred that the moisture content of the stalk stem after drying is 7%-13%.
As it is further preferred that the laying direction of the stalk is identical as the conveying direction of the grid cloth.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, mainly have below
Technological merit: stalk coiled composite tube of the invention, using agricultural crop straw as enhancement layer, the extensive, growth period with resource
Short, light weight, high in machining efficiency, lower-price characteristic, take full advantage of slack resources, are prepared by canoe compound
Pipe, takes full advantage of the axial tensile strength of stalk, and the process of stalk enhancement layer is by with the conveying to mold, simultaneously
It is laid with stalk, makes the stalk of different-diameter without sorting by being pressed, is directly compressed into the sheet of same thickness, can greatly improve
Production and processing efficiency further decreases production cost while meeting performance requirement, is that agricultural irrigation, draining and building are logical
The fields such as wind provide pipeline light-weight, of high quality and at a reasonable price, expect that production process is all green and pollution-free from former material.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the stalk bamboo coiled composite tube of specific embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the stalk bamboo coiled composite tube of specific embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Stalk coiled composite tube in a kind of specific embodiment of the present invention successively includes from the inside to the outside along caliber direction
Liner layer, enhancement layer and external protection coating, the enhancement layer are made of multilayer stalk layer, and stalk layer is entwined by stalk stem.
The present invention is since stalk has certain intensity, and at low cost, source is wide, is easy to get, and can make full use of big
Slack resources are measured, stalk coiled composite tube can be widely applied to agricultural irrigation, draining and building ventilation etc. and want to pipeline pressure-bearing
Not high field is asked, is further reduced the cost while guaranteeing product strength, slack resources utilization rate is improved, expands raw material
Source.In addition, the axial tensile strength of stalk can be given full play to using winding process.
On the basis of above-mentioned specific embodiment, (i.e. any two layers of stalk between any two layers of the enhancement layer
Between layer) it is additionally provided with auxiliary enhancement layer, the auxiliary enhancement layer is the clay layer mixed by resin and filler, described to fill out
Material is natural plants filler or inorganic mineral filler.It is assisted made of natural plants filler or inorganic mineral filler being arranged
Enhancement layer can further increase the strength and stiffness of tube body, and environmentally protective, one or more layers can be set.
On the basis of above-mentioned specific embodiment, the natural plants filler is bamboo fibre, wood-fibred, flaxen fiber, plant
One or more of object shell fiber, above-mentioned fiber has the characteristics that intensity is high, specifically can be set to sheet or powdery, with
Adhesive is mixed evenly.
On the basis of above-mentioned specific embodiment, inorganic mineral filler can be using graininess or powder such as mountain flour, ores in sand form
Shape inorganic mineral.
On the basis of above-mentioned specific embodiment, the stalk is wheat straw, in straw, corn stover, broomcorn straw
It is one or more.
The method for preparing above-mentioned stalk coiled composite tube in a kind of specific embodiment of the invention, including following step
It is rapid:
Stalk pretreatment: removing the rest part in addition to stem for stalk, will be cut into identical length after the drying of stalk stem
Degree；
The preparation of liner layer: the liner layer of anti-corrosion leak-proof is made on straight tube mold using fabric and adhesive；
The preparation of stalk structure sheaf: grid cloth is wrapped on liner layer, and hopper is arranged above grid cloth and exports in the same direction
Stalk stem, be laid on conveying of the stalk stem with grid cloth to mold closely on grid cloth in parallel, be laid with direction
It is identical as the conveying direction of grid cloth, or have a certain degree with the conveying direction of grid cloth, it will be then laid with by pressing machine
Good stalk stem is compressed into tablet form, and is then laid with direction sewing sewing thread, stalk along perpendicular to stalk stem by sewing machine
Stem with grid cloth be conveyed through steeping vat impregnation after, be wrapped on the liner layer, cured acquisition stalk enhancement layer；
The preparation of external protection coating: the coating of one layer of anti-corrosion waterproof is finally sprayed in stalk enhancing layer surface, forms outer protection
Layer.
On the basis of above-mentioned specific embodiment, the moisture content of the stalk stem after drying is 7%-13%.
On the basis of above-mentioned specific embodiment, the conveying direction phase in the laying direction and the grid cloth of the stalk
Together.
The following are specific embodiments of the present invention:
Embodiment 1
The present embodiment illustrates straw of the invention for making nominal diameter as the stalk coiled composite tube of 200mm
The preparation method of stalk coiled composite tube, the specific steps of which are as follows:
1) stalk pretreatment:
One or more of wheat, rice, corn, broomcorn straw are chosen, stalk is removed to its remaining part in addition to stem
Point, stalk stem is dry, the stalk stem that moisture content is 10% is obtained, is cut into equal length later.
2) preparation of liner layer:
The polyester film of one layer of 0.04mm thickness is coated on the polished straight tube mold that outer diameter is 200mm, the polyester is thin
Film makes thickness of adhesive, wood fiber non-woven fabric and glass fibre knitting felt as release layer on the release layer of straight tube mold
Degree reaches the liner layer 1 of 1.5mm, which has the function of antiseepage, and inner wall smooth；Liner layer 1 along multiple tube it is radial by it is interior extremely
It is followed successively by wood fiber non-woven fabric and glass fibre knitting felt outside, wood fiber non-woven fabric is as natural fiber textile layer, glass fibre
Needled mat is soaked with adhesive as enhancing tissue layer, wood fiber non-woven fabric and glass fibre knitting felt, which includes tree
Rouge and curing agent, the epoxy resin that resin selects antiseptic property excellent in the present embodiment.
3) preparation of stalk enhancement layer:
Grid cloth is wrapped on liner layer, hopper is set above grid cloth and exports stalk stem in the same direction, makes stalk
Conveying of the stem with grid cloth to mold is closely laid on grid cloth in parallel, and stalk is laid with direction and the grid cloth
Conveying direction is identical.Then the stalk stem laid is compressed into tablet form by pressing machine, then by sewing machine along vertical
In stalk stem be laid with direction sew sewing thread, stalk stem with grid cloth be conveyed through steeping vat impregnation after, wind one layer
Or one layer or more stalk stem, reach design thickness 12mm；After winding, 60 DEG C are heated to pipeline and is solidified 180 minutes, is obtained
Obtain stalk enhancement layer 2, wherein adhesive includes resin and curing agent, and resin is specially amino resins.
4) preparation of external protection coating:
One layer of preferable vinyl ester resin of waterproof and anticorrosion of brushing is thick to obtain external protection coating 3 outside stalk enhancement layer
About 1.5mm.
The structure of the stalk coiled composite tube of the present embodiment production is as shown in Figure 1.
Embodiment 2
The present embodiment illustrates this hair for making the stalk bamboo coiled composite tube that diameter is nominal diameter 400mm
The preparation method of bright stalk bamboo coiled composite tube, the specific steps of which are as follows:
1) stalk pretreatment: with embodiment 1；
2) preparation of liner layer: with embodiment 1, only the outer diameter of straight tube mold is 400mm；
3) preparation of the first stalk enhancement layer 21: with embodiment 1, with a thickness of 6mm；
4) preparation of enhancement layer is assisted:
It is mixed into clay with resin and inorganic mineral filler or natural plants filler, inorganic mineral filler can be selected
Mountain flour, ore in sand form etc., natural plants filler can select one or more of wood chip, wood powder, bamboo chip, bamboo powder, plant shell powder,
Packing quality ratio is 70%-90%, and resin quality ratio is 10%-30%；The clay mixed is uniformly adhered to one layer of lining
On cloth, the lining cloth for being attached with the clay is wrapped on stalk enhancement layer 2 to and is tensed compacting, wraps up to the thickness of 6mm, is made auxiliary
Help enhancement layer 4；Resin selects amino resins.
5) preparation of the second stalk enhancement layer 22: continue to wind stalk stem outside auxiliary enhancement layer 4, until thickness reaches
6mm；
6) preparation of external protection coating: with embodiment 1；
One layer of preferable vinyl ester resin of waterproof and anticorrosion of brushing is thick to obtain external protection coating 3 outside stalk structure sheaf
About 1.5mm.
The structure of the stalk bamboo multiple tube of the present embodiment production is as shown in Figure 2.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of stalk coiled composite tube applied to agricultural irrigation, draining and building ventilation field, along caliber direction, by it is interior extremely
It outside successively include liner layer, enhancement layer and external protection coating, which is characterized in that the enhancement layer is made of multilayer stalk layer, the straw
Stalk layer is prepared using following technique: stalk being removed the rest part in addition to stem, is by stalk stem drying to moisture content
Equal length is cut into after 7%-13%；Grid cloth is wrapped on liner layer, stalk stem in the same direction is conveyed above grid cloth
Portion is laid on conveying of the stalk stem with grid cloth to mold closely on grid cloth in parallel, the laying direction of stalk and net
The conveying direction of lattice cloth is identical, is then compressed into tablet form the stalk stem laid, is then laid with along perpendicular to stalk stem
Direction sews stalk stem, the stalk stem after sewing with grid cloth be conveyed through steeping vat impregnation after, be wrapped in
On the liner layer, cured acquisition stalk layer.
2. stalk coiled composite tube as described in claim 1, which is characterized in that be additionally provided between any two layers of stalk layer
Enhancement layer is assisted, the auxiliary enhancement layer is the clay layer mixed by resin and filler, and the filler is filled out for natural plants
Material or inorganic mineral filler.
3. stalk coiled composite tube as claimed in claim 2, which is characterized in that the natural plants filler is bamboo fibre, wood
One or more of fiber, flaxen fiber, plant shell fiber.
4. stalk coiled composite tube as claimed in claim 2, which is characterized in that the inorganic mineral filler be graininess and/
Or the mountain flour and/or ore in sand form of powdery.
5. stalk coiled composite tube as claimed in claim 3, which is characterized in that the stalk is wheat straw, straw, corn stalk
One of stalk, broomcorn straw are a variety of.
6. a kind of preparation method of stalk coiled composite tube as described in any one in claim 1-5, which is characterized in that including with
Lower step:
Stalk is removed into the rest part in addition to stem, equal length will be cut into after the drying of stalk stem；
The liner layer of anti-corrosion leak-proof is made on straight tube mold using fabric and adhesive；
Grid cloth is wrapped on liner layer, stalk stem in the same direction is conveyed above grid cloth, makes stalk stem with grid
Conveying of the cloth to mold is closely laid on grid cloth in parallel, is then compressed into tablet form the stalk stem laid, then edge
It is laid with direction perpendicular to stalk stem to sew stalk stem, the stalk stem after sewing is conveyed through leaching with grid cloth
It after glue groove impregnation, is wrapped on the liner layer, cured acquisition enhancement layer；
Finally in the coating of one layer of anti-corrosion waterproof of enhancement layer trypsin method, external protection coating is formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073252.6A CN105526430B (en) | 2016-02-02 | 2016-02-02 | A kind of stalk coiled composite tube and preparation method thereof |
| PCT/CN2016/109253 WO2017133320A1 (en) | 2016-02-02 | 2016-12-09 | Straw-wound composite pipe and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073252.6A CN105526430B (en) | 2016-02-02 | 2016-02-02 | A kind of stalk coiled composite tube and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105526430A CN105526430A (en) | 2016-04-27 |
| CN105526430B true CN105526430B (en) | 2018-12-18 |
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| CN (1) | CN105526430B (en) |
| WO (1) | WO2017133320A1 (en) |
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| CN205136858U (en) * | 2015-09-08 | 2016-04-06 | 浙江鑫宙竹基复合材料科技有限公司 | Compound piping lane of prefabricated bamboo |
| CN105526430B (en) * | 2016-02-02 | 2018-12-18 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of stalk coiled composite tube and preparation method thereof |
| CN107499321A (en) * | 2016-06-14 | 2017-12-22 | 浙江鑫宙竹基复合材料科技有限公司 | Vehicle body of railway vehicle |
| CN108221971A (en) * | 2018-03-07 | 2018-06-29 | 江苏省盐城市公路管理处 | For the cotton stalk supporting construction of cement mixing method |
| CN109304778B (en) * | 2018-10-19 | 2021-05-18 | 浙江农林大学暨阳学院 | Manufacturing method of high-performance bamboo fiber reinforced plastic and product thereof |
| CN109571689A (en) * | 2018-11-21 | 2019-04-05 | 鑫竹海(山东)管道制造有限公司 | A kind of compound rain sewage pipe production technology of bamboo winding |
| CN111156355A (en) * | 2019-12-23 | 2020-05-15 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-based winding composite pipe and preparation method thereof |
| CN114041405B (en) * | 2021-11-20 | 2023-04-25 | 华北水利水电大学 | Soil, straw and liquid cyclone mixing and conical extrusion straw soil composite pipe device |
| WO2023161310A1 (en) | 2022-02-24 | 2023-08-31 | Zhejiang Qinyuan Water Treatment S. T. Co., Ltd. | Integrated waterboard for a water purifier |
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| DE3136091A1 (en) * | 1981-09-11 | 1983-03-24 | Petros 4040 Neuss Angelidis | METHOD FOR PRODUCING A HEAT-INSULATING MEASUREMENT, USE OF THIS MEASUREMENT FOR COMPONENTS AND COMPONENT, PRODUCED BY USING THIS MEASUREMENT |
| DE102005060500A1 (en) * | 2005-12-15 | 2007-06-21 | Witthaus, Bernd, Prof. Dr. | Plastic article reinforced with bamboo fibers, useful e.g. for preparation of parts for vehicles, pipes and doors, can be recycled |
| CN101116994A (en) * | 2006-07-31 | 2008-02-06 | 于传敏 | Method for preparing novel vegetation composite tube |
| US20100007135A1 (en) * | 2008-07-10 | 2010-01-14 | Pil-Se Lee | Fiberglass Pipe-shaped Insulator and Method of Manufacturing the Same |
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| CN201434160Y (en) * | 2009-06-04 | 2010-03-31 | 芜湖圣弗兰玻璃钢有限公司 | Bamboo fiber winding composite pipe |
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| CN105546230B (en) * | 2016-02-02 | 2018-05-15 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of stalk bamboo coiled composite tube and preparation method thereof |
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| CN105526430B (en) * | 2016-02-02 | 2018-12-18 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of stalk coiled composite tube and preparation method thereof |
-
2016
- 2016-02-02 CN CN201610073252.6A patent/CN105526430B/en active Active
- 2016-12-09 WO PCT/CN2016/109253 patent/WO2017133320A1/en active Application Filing
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| CN105526430A (en) | 2016-04-27 |
| WO2017133320A1 (en) | 2017-08-10 |
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