CN205578932U - Compound pipe of straw winding - Google Patents
Compound pipe of straw winding Download PDFInfo
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- CN205578932U CN205578932U CN201620104367.2U CN201620104367U CN205578932U CN 205578932 U CN205578932 U CN 205578932U CN 201620104367 U CN201620104367 U CN 201620104367U CN 205578932 U CN205578932 U CN 205578932U
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- straw
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- enhancement layer
- composite tube
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Abstract
The utility model discloses a compound pipe of straw winding should compound pipe along pipe diameter direction, and from interior to exterior includes inner liner, enhancement layer and outer inoxidizing coating in proper order, the enhancement layer comprises multilayer straw layer, and this straw layer is formed by the winding of straw stem. The utility model discloses a crop straw has characteristics such as the resource is extensive, growth period is short, the quality is light, machining efficiency is high, low price as the enhancement layer, make full use of idle resource, prepare through the canoe and become compound pipe, make full use of the axial tension intensity of straw, for fields such as agricultural irrigation, drainage and building ventilation provide light in weight, the inexpensive pipeline of good quality, all green is pollution -free from raw and other materials to the production process.
Description
Technical field
This utility model belongs to compound pipeline complex pipeline field, more particularly, to a kind of straw coiled composite tube.
Background technology
At present at the field pipe that agricultural irrigation, draining and building ventilation etc. are the highest to pipeline bearing requirements,
The tradition such as commonly used pipe of cement, polrvinyl chloride, polyethylene, polypropylene, glass reinforced plastic pipe, thin gauge conduit
Pipeline.Pipe of cement low cost, but Heavy Weight, pipe joint leakiness；Polrvinyl chloride, polyethylene, poly-third
Alkene pipeline light weight, smooth and corrosion-resistant, but its raw material is petrochemical industry synthetic products, consumes a large amount of
Valuable petroleum resources；Glass reinforced plastic pipe and RPM is corrosion-resistant, fluid resistance is little, but product
Using primary raw material reinforcing material is the glass fibre of high energy consumption, and resin is petrochemical industry synthetic products,
Product and waste material is the most recyclable, not environmentally；It is poor to there is rotproofness in sheet steel pipe, and production process energy consumption is high, dirty
Dye is high, the shortcoming such as not environmentally.Therefore use this kind of conventional pipelines, consume substantial amounts of mineral resources,
And high energy consumption maximum discharge, resource are non-renewable.
Straw is the general name of ripe crops stem and leaf (fringe) part, and there is a large amount of idle straw money in rural area
Source, is currently used primarily in feedstuff, heap is made compost, fuel etc., it is impossible to is fully used, causes resource
Waste, and also pollute the environment as fuel combustion.Therefore, on the premise of how can guarantee that environmental protection,
Make stalk resource be applied on a large scale, be those skilled in the art's urgent problems.
CN201010277587.2 discloses a kind of light composite stalk ventilation duct, including substrate with solid
Determining bar, described fixed strip is separately positioned on the angle of adjacent two substrates, fixed strip and two adjacent bases
Fixing connection between plate, described substrate uses composite stalk light cellular partition board.First above-mentioned prior art adopts
Make composite stalk light cellular partition board with straw, then be spliced into square ventilating duct, its complex process,
And the range of application of square pipe is narrow, not there is versatility.
Utility model content
For disadvantages described above or the Improvement requirement of prior art, this utility model provides a kind of straw and twines
Around multiple tube, wherein straw is prepared straw coiled composite tube by canoe, break through straw and pass
The range of application of system, by the Appropriate application to straw, to realize slack resources utilization, reduces and produces
Cost and the wasting of resources, can prepare energy-conserving and environment-protective, straw bamboo coiled composite tube with low cost, can
It is applied to the fields the highest to pipeline bearing requirements such as agricultural irrigation, draining and building ventilation.
For achieving the above object, the utility model proposes a kind of straw coiled composite tube, along caliber side
To, including inner liner, enhancement layer and external protection coating the most successively, described enhancement layer is by multilamellar straw
Stalk layer forms, and this stalk layer is entwined by straw stem.
As it is further preferred that be additionally provided with auxiliary between any two-layer of described enhancement layer and strengthen
Layer, described auxiliary enhancement layer is the clay layer mixed by resin and filler, and described filler is natural
Plant stuffing or inorganic mineral filler.
As it is further preferred that described natural plants filler be bamboo fibre, the wood fiber, flaxen fiber,
One or more in plant shell fiber.
As it is further preferred that stone powder that described inorganic mineral filler is graininess and/or powdery and/
Or ore in sand form.
As it is further preferred that described straw is in wheat straw, Caulis et Folium Oryzae, corn straw, broomcorn straw
One or more.
As it is further preferred that the moisture content of described straw stem is 7%-13%.
As it is further preferred that described inner liner is along caliber direction, it is followed successively by the wood fiber from the inside to the outside
Non-woven fabrics and glass fibre knitting felt.
In general, by the contemplated above technical scheme of this utility model compared with prior art,
Mainly possess following technological merit: straw coiled composite tube of the present utility model, use crops straw
Stalk, as enhancement layer, has that resource is extensive, trophophase is short, light weight, working (machining) efficiency are high, price is low
The feature such as honest and clean, takes full advantage of slack resources, is prepared as multiple tube by canoe, make full use of
The axial tensile strength of straw, provides weight for fields such as agricultural irrigation, draining and building ventilations
Gently, super quality and competitive price pipeline, from raw material to production process, all environmental protection is pollution-free.
Accompanying drawing explanation
Fig. 1 is the structural representation of the straw bamboo coiled composite tube of a kind of detailed description of the invention of this utility model
Figure；
Fig. 2 is the structural representation of the straw bamboo coiled composite tube of a kind of detailed description of the invention of this utility model
Figure.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with
Drawings and Examples, are further elaborated to this utility model.Should be appreciated that this place is retouched
The specific embodiment stated, only in order to explain this utility model, is not used to limit this utility model.This
Outward, if technical characteristic involved in each embodiment of this utility model disclosed below that
The conflict of not constituting between this just can be mutually combined.
Straw coiled composite tube in a kind of detailed description of the invention of this utility model, along caliber direction, by
Interior to including inner liner, enhancement layer and external protection coating successively outward, described enhancement layer is by multilamellar stalk layer group
Becoming, stalk layer is entwined by straw stem.
The intensity that this utility model is certain owing to straw has, and low cost, source is wide, is readily available,
A large amount of slack resources can be made full use of, straw coiled composite tube can be widely applied to agricultural irrigation,
The field that draining and building ventilation etc. are the highest to pipeline bearing requirements, enters while ensureing product strength
One step reduces cost, improves slack resources utilization rate, expands raw material sources.It is wound around additionally, utilize
Technique, can give full play to the axial tensile strength of straw.
On the basis of above-mentioned detailed description of the invention, (i.e. appoint between any two-layer of described enhancement layer
Between meaning two-layer stalk layer) it is additionally provided with auxiliary enhancement layer, described auxiliary enhancement layer is by resin and to fill out
The clay layer that material mixes, described filler is natural plants filler or inorganic mineral filler.By setting
Put the auxiliary enhancement layer being made up of natural plants filler or inorganic mineral filler, pipe can be increased further
The strength and stiffness of body, and environmental protection, it can arrange one or more layers.
On the basis of above-mentioned detailed description of the invention, described natural plants filler be bamboo fibre, the wood fiber,
One or more in flaxen fiber, plant shell fiber, above-mentioned fiber has the advantages that intensity is high, tool
Body could be arranged to lamellar or powdery, with adhesive mixing and stirring.
On the basis of above-mentioned detailed description of the invention, inorganic mineral filler can use stone powder, ore in sand form etc.
Graininess or powdery inorganic mineral.
On the basis of above-mentioned detailed description of the invention, described straw be wheat straw, Caulis et Folium Oryzae, corn straw,
One or more in broomcorn straw.
On the basis of above-mentioned detailed description of the invention, the moisture content of straw stem is 7%-13%.
On the basis of above-mentioned detailed description of the invention, described inner liner, along caliber direction, depends on from the inside to the outside
Secondary for wood fiber non-woven fabric with glass fibre knitting felt.
Will be explained in detail the preparation method of straw coiled composite tube of the present utility model below, it include with
Lower step:
Straw pretreatment: straw removes the remainder in addition to stem, is dried rear cutout by straw stem
It is segmented into equal length；
The preparation of inner liner: utilize fabric and adhesive to make the liner of anti-corrosion leak-proof on straight tube mould
Layer；
The preparation of straw structure sheaf: be wrapped on inner liner by grid cloth, is provided above material at grid cloth
Bucket output straw stem in the same direction, makes straw stem along with grid cloth is to the parallel tight paving of the conveying of mould
Being located on grid cloth, it is identical with the conveying direction of grid cloth that it lays direction, or with the conveying of grid cloth
Direction has a certain degree, and the straw stem laid is compressed into tablet form by pressing machine subsequently, connects
And lay sewing sewing thread in direction by sewing machine along being perpendicular to straw stem, straw stem is with grid cloth
Be conveyed through steeping vat impregnation after, be wrapped on described inner liner, cured acquisition straw enhancement layer；
The preparation of external protection coating: finally at the coating that one layer of anticorrosion of straw enhancement layer surface spraying is waterproof,
Form external protection coating.
On the basis of above-mentioned detailed description of the invention, described straw stem moisture content after drying is
7%-13%.
It is below specific embodiment of the utility model:
Embodiment 1
The present embodiment, as a example by making the nominal diameter straw coiled composite tube as 200mm, illustrates
The preparation method of straw coiled composite tube of the present utility model, it specifically comprises the following steps that
1) straw pretreatment:
Choose one or more in Semen Tritici aestivi, Oryza sativa L., Semen Maydis, broomcorn straw, straw is removed except stem
Remainder outside portion, is dried straw stem, it is thus achieved that moisture content is the straw stem of 10%, rear cutout
It is segmented into equal length.
2) preparation of inner liner:
It is on the polished straight tube mould of 200mm, to be coated with the thick mylar of one layer of 0.04mm at external diameter,
This mylar is as release layer, with adhesive, wood fiber non-woven fabric and glass fibre knitting felt directly
Making thickness on the release layer of pipe mold and reach the inner liner 1 of 1.5mm, this inner liner has antiseepage function,
And inner wall smooth；Inner liner 1 is radially followed successively by wood fiber non-woven fabric and glass from the inside to the outside along multiple tube
Fiber knitted felt, wood fiber non-woven fabric is as natural fiber textile layer, and glass fibre knitting felt is as increasing
Strong tissue layer, wood fiber non-woven fabric and glass fibre knitting felt be all soaked with adhesive, and this adhesive includes
Resin and firming agent, in the present embodiment, the epoxy resin that antiseptic property is excellent selected by resin.
3) preparation of straw enhancement layer:
Grid cloth is wrapped on inner liner, is provided above hopper output straw stem in the same direction at grid cloth
Portion, makes straw stem closely be laid on grid cloth, subsequently to the conveying of mould is parallel along with grid cloth
By pressing machine, the straw stem laid is compressed into tablet form, then passes through sewing machine along being perpendicular to straw
Stalk stem lay direction sewing sewing thread, straw stem with grid cloth be conveyed through steeping vat impregnation after,
It is wound around one or more layers straw stem, reaches design thickness 12mm；After winding, to pipeline
Be heated to 60 DEG C solidify 180 minutes, it is thus achieved that straw enhancement layer 2, wherein, adhesive include resin and
Firming agent, resin is specially amino resins.
4) preparation of external protection coating:
One layer of preferable vinyl ester resin of water-tight corrosion-proof is brushed outer anti-to obtain outside straw enhancement layer
Sheath 3, thickness about 1.5mm.
The structure of the straw coiled composite tube that the present embodiment produces is as shown in Figure 1.
Embodiment 2
The present embodiment, as a example by the straw bamboo coiled composite tube making a diameter of nominal diameter 400mm, has
Body illustrates the preparation method of straw bamboo coiled composite tube of the present utility model, and it specifically comprises the following steps that
1) straw pretreatment: with embodiment 1；
2) preparation of inner liner: with embodiment 1, simply the external diameter of straight tube mould is 400mm；
3) preparation of the first straw enhancement layer 21: with embodiment 1, thickness is 6mm；
4) preparation of auxiliary enhancement layer:
Being mixed into clay with resin and inorganic mineral filler or natural plants filler, inorganic mineral is filled out
Material can select stone powder, ore in sand form etc., natural plants filler can select wood chip, wood powder, bamboo chip, bamboo
One or more in powder, plant shell powder, packing quality is than for 70%-90%, and resin quality ratio is
10%-30%；The clay mixed is uniformly adhered on one layer of lining cloth, the lining of this clay will be attached with
Cloth is wrapped on straw enhancement layer 2 and strains compacting, wraps up the thickness to 6mm, makes auxiliary and strengthens
Layer 4；Amino resins selected by resin.
5) preparation of the second straw enhancement layer 22: be wound around straw stem outer continuation of 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 water-tight corrosion-proof is brushed outer anti-to obtain outside straw structure sheaf
Sheath 3, thickness about 1.5mm.
The structure of the straw bamboo multiple tube that the present embodiment produces is as shown in Figure 2.
As it will be easily appreciated by one skilled in the art that and the foregoing is only preferred embodiment of the present utility model
, not in order to limit this utility model, all made within spirit of the present utility model and principle
Any amendment, equivalent and improvement etc., within should be included in protection domain of the present utility model.
Claims (6)
1. a straw coiled composite tube, along caliber direction, includes inner liner, enhancement layer and external protection coating, it is characterised in that described enhancement layer is made up of multilamellar stalk layer the most successively, and this stalk layer is entwined by straw stem.
2. straw coiled composite tube as claimed in claim 1, it is characterized in that, being additionally provided with auxiliary enhancement layer between any two-layer stalk layer, described auxiliary enhancement layer is the clay layer mixed by resin and filler, and described filler is natural plants filler or inorganic mineral filler.
3. straw coiled composite tube as claimed in claim 2, it is characterised in that described natural plants filler is one or more in bamboo fibre, the wood fiber, flaxen fiber, plant shell fiber.
4. straw coiled composite tube as claimed in claim 2, it is characterised in that described inorganic mineral filler is graininess and/or the stone powder of powdery and/or ore in sand form.
5. straw coiled composite tube as claimed in claim 4, it is characterised in that described straw is one or more in wheat straw, Caulis et Folium Oryzae, corn straw, broomcorn straw.
6. straw coiled composite tube as claimed in claim 5, it is characterised in that described inner liner, along caliber direction, is followed successively by wood fiber non-woven fabric and glass fibre knitting felt from the inside to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104367.2U CN205578932U (en) | 2016-02-02 | 2016-02-02 | Compound pipe of straw winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104367.2U CN205578932U (en) | 2016-02-02 | 2016-02-02 | Compound pipe of straw winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578932U true CN205578932U (en) | 2016-09-14 |
Family
ID=56882356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620104367.2U Active CN205578932U (en) | 2016-02-02 | 2016-02-02 | Compound pipe of straw winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526430A (en) * | 2016-02-02 | 2016-04-27 | 浙江鑫宙竹基复合材料科技有限公司 | Straw-wound composite pipe and preparation method thereof |
| WO2021129295A1 (en) * | 2019-12-23 | 2021-07-01 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-based winding composite pipe and manufacturing method therefor |
-
2016
- 2016-02-02 CN CN201620104367.2U patent/CN205578932U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526430A (en) * | 2016-02-02 | 2016-04-27 | 浙江鑫宙竹基复合材料科技有限公司 | Straw-wound composite pipe and preparation method thereof |
| WO2017133320A1 (en) * | 2016-02-02 | 2017-08-10 | 浙江鑫宙竹基复合材料科技有限公司 | Straw-wound composite pipe and preparation method therefor |
| WO2021129295A1 (en) * | 2019-12-23 | 2021-07-01 | 浙江鑫宙竹基复合材料科技有限公司 | Bamboo-based winding composite pipe and manufacturing method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230209 Address after: 311122 No. 29-16, Jiaqi Road, Xianlin Street, Yuhang District, Hangzhou, Zhejiang Patentee after: Zhonglin Xinzhou Bamboo Winding Development Co.,Ltd. Address before: 311115 No. 6 Xiuyan Road, Fengdu Village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG XINZHOU BAMBOO-BASED COMPOSITES TECHNOLOGY Co.,Ltd. Patentee before: Ye Ling |
|
| TR01 | Transfer of patent right |