CN114076230B - Bamboo weaving composite material pipe gallery - Google Patents
Bamboo weaving composite material pipe gallery Download PDFInfo
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- CN114076230B CN114076230B CN202111303098.4A CN202111303098A CN114076230B CN 114076230 B CN114076230 B CN 114076230B CN 202111303098 A CN202111303098 A CN 202111303098A CN 114076230 B CN114076230 B CN 114076230B
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/04—Methods or machines specially adapted for the production of tubular articles by casting into moulds by simple casting, the material being neither positively compacted nor forcibly fed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
- B28B21/72—Producing multilayer tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/76—Moulds
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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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a bamboo weaving composite material pipe gallery, which comprises a plurality of pipe gallery pipelines and pipe gallery supports, wherein the pipe gallery comprises a corridor structure formed by the pipe gallery pipelines and the pipe gallery supports, the pipe gallery pipeline further comprises an inner liner layer, a reinforcing layer and an outer protective layer, the reinforcing layer comprises a foamed concrete layer and a straw reinforcing layer, the foamed concrete layer is formed by casting a template, the straw reinforcing layer comprises a plurality of straw layers, the inner liner layer and the outer protective layer are formed by a plurality of bamboo skin layers, and the bamboo skin layers are formed by winding bamboo skin layers; according to the invention, the support strength of the pipe gallery can be increased by arranging the foaming concrete layer and the straw reinforcing layer, namely the foaming concrete layer and the straw reinforcing layer, and the pipe with a certain nominal diameter can be directly manufactured by arranging the foaming concrete layer during manufacturing, so that the wall thickness of the pipe gallery pipe is convenient to control, and the manufacturing difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of pipe galleries, in particular to a bamboo woven composite material pipe gallery.
Background
Many of the pipes in pipe corridors, i.e., corridors of pipes, chemical and related industries are gathered together and deployed outside the facility or plant, typically in the air, and supported by brackets to form a similar pattern to the corridors, with a small number of pipe corridors located underground.
At present, steel and plastic glass fiber materials are commonly adopted for the underground pipe gallery, and because the steel pipe is easy to corrode, has short service life, low strength and the like, the plastic glass fiber pipe has the problems of poor fatigue resistance, low creep resistance, poor corrosion resistance, difficult recovery, pollution and the like, so that the service life of the conventional underground pipe gallery is 80 years, if the underground pipe gallery is scrapped and replaced due to expiration, the rebuilding pipe gallery is removed and is equivalent to double re-investment, huge pressure which is difficult to bear by funds, manpower, material resources and environmental cost is formed, and great economic loss is brought to society. If the urban water, electricity, gas, heating, communication untimely paralysis and larger fund loss are necessarily formed by overtime use, the dismantling and rebuilding period is longer, the urban water, electricity, gas, heating and communication untimely paralysis can not normally operate during the dismantling and rebuilding period, normal production and life of people can be seriously influenced, and the bamboo woven composite material pipe gallery is formed by compounding biomass pipelines through an automatic winding process and has stronger pressure resistance, so the bamboo woven composite material pipe gallery is more and more popular in use.
Bamboo materials are used as reinforcing materials, resins are used as adhesives, and an automatic winding process is adopted for compounding the bamboo-woven composite material pipe gallery in the prior art, however, the existing bamboo-woven composite material pipe gallery is insufficient in supporting strength in use, and the thickness of the pipe can be controlled in manufacturing, so that the manufacturing difficulty is increased.
Disclosure of Invention
The invention aims to provide a bamboo woven composite material pipe gallery, which solves the technical problems that the existing bamboo woven composite material pipe gallery is insufficient in supporting strength in use and can control the thickness of a pipeline in manufacturing, so that the manufacturing difficulty is increased.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a bamboo weaving combined material piping lane, includes a plurality of piping lane pipeline and piping lane support, the piping lane comprises the structure in corridor of a plurality of piping lane pipeline and piping lane support, piping lane pipeline still includes inner liner, enhancement layer and outer inoxidizing coating, the enhancement layer includes foaming concrete layer and straw enhancement layer, foaming concrete layer adopts the template to pour and forms, the straw enhancement layer comprises multilayer straw layer, the inner liner with outer inoxidizing coating comprises multilayer thin bamboo strip layer, the thin bamboo strip layer is formed by the thin bamboo strip winding.
Preferably, the peripheries of the inner liner layer and the outer protective layer are wrapped with bamboo fiber mesh cloth.
Preferably, the surface of the bamboo fiber mesh cloth is wrapped with a flame-retardant layer.
Preferably, the straw is one or more of wheat straw, rice straw, corn straw and sorghum straw.
Preferably, straw reinforcing layers are arranged between any two bamboo skin layers of the outer protective layer and between the foaming concrete layer and the outer protective layer.
The invention also relates to a preparation method of the bamboo woven composite material pipe gallery, which comprises the following steps:
s1: dividing the whole pipe gallery into a plurality of construction areas according to the characteristics of a construction site, the structural form, the total length and the like of the pipe gallery, modeling pipe gallery engineering by adopting professional software and carrying out accurate die matching to form a standard die matching construction drawing;
s2: manufacturing a plurality of pipelines of the pipe rack according to the drawing in the S1;
s3: and fixedly mounting a pipe gallery support on a side wall of pipe gallery installation, and splicing and mounting pipe gallery pipelines in different construction stages.
Preferably, the manufacturing steps of the pipe gallery pipeline are as follows:
s1: manufacturing a template of the foaming concrete layer according to a drawing;
s2: cutting raw bamboo into bamboo chips, removing green and yellow of the bamboo chips, cutting the bamboo chips into bamboo strips, steaming and softening the bamboo strips, arranging the bamboo strips in parallel, and rolling to obtain a bamboo strip roll for later use;
s3: removing the rest parts except the stems of the straws, drying the stems of the straws, and cutting the stems of the straws into the same length for standby;
s4: pouring a foaming concrete pipeline according to the template in the step S1, and setting for more than 24 hours for curing;
s5: manufacturing an inner liner according to the diameter size of the inner wall of the foamed concrete pipeline, unwinding a bamboo strip roll on a template according to the foamed concrete pipeline in the step S4, winding the unwound bamboo strip, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely coated by the adhesive, curing to obtain the inner liner, winding a grid cloth on the inner liner, and adhering the inner liner to the inner wall of the foamed concrete pipeline manufactured in the step S4;
s6: wrapping bamboo fiber grid cloth around the pipe, conveying straw stems in the same direction above the grid cloth, enabling the straw stems to be tightly paved on the grid cloth in parallel along with the conveying of the grid cloth to a die, enabling the paving direction of the straw to be the same as the conveying direction of the grid cloth, pressing the paved straw stems into sheets, sewing the straw stems along the paving direction perpendicular to the straw stems, and winding the sewn straw stems on the foaming concrete layer after dipping the straw stems along with the conveying of the grid cloth through a dipping tank, and curing to obtain a straw reinforcing layer;
s7: unwinding a bamboo strip roll, winding the unwound bamboo strip around the periphery of the straw reinforced layer prepared in the step S6, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely covered by the adhesive, curing to obtain an outer protective layer, winding grid cloth on the outer protective layer, conveying a straw stem in the same direction above the grid cloth between any two bamboo strip layers, enabling the straw stem to be tightly paved on the grid cloth in parallel along with the conveying of the grid cloth to a die, enabling the paving direction of the straw to be the same as the conveying direction of the grid cloth, then pressing the paved straw stem into a sheet, sewing the straw stem along the paving direction perpendicular to the straw stem, dipping the sewn straw stem along with the conveying of the grid cloth through a dipping tank, winding the glued straw stem on the bamboo strip layer, and curing to obtain the straw reinforced layer between any two bamboo strip layers;
s8: and (3) spraying a layer of anti-corrosion and waterproof material on the outer protective layer prepared in the step (S7) to prepare the pipeline of the pipe gallery.
Preferably, the moisture content of the dried straw stem in the straw reinforced layer is 2% -5%.
Preferably, the bamboo fiber grid cloth comprises at least one bamboo woven fiber layer.
Preferably, in S5, S6 and S7, the extrusion rolling is carried out by adopting a pressure roller, the pressure of the pressure roller is kept at 50-80N, the curing temperature is 100-120 ℃ in S5, S6 and S7, the curing time is 10-24h, and the pressure not less than 0.3MPa is applied during curing.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the support strength of the pipe gallery can be increased by arranging the foaming concrete layer and the straw reinforcing layer, namely the foaming concrete layer and the straw reinforcing layer, and the pipe with a certain nominal diameter can be directly manufactured by arranging the foaming concrete layer during manufacturing, so that the wall thickness of the pipe gallery pipe is convenient to control, and the manufacturing difficulty is reduced.
2. The invention takes the straw and the foaming concrete as the reinforcing layer, fully utilizes the axial tensile strength of the straw, takes the bamboo and the straw in a tensioning state by utilizing a winding mode so as to achieve higher mechanical strength, ensures that the wound pipeline has high mechanical strength, takes the bamboo as a rapidly renewable and environment-friendly resource, has the characteristics of light weight, high strength, high rigidity, corrosion resistance, low price, and the like, and has the characteristics of wide resource, short growing period, high processing efficiency, low price and the like, fully utilizes the idle resource, ensures that the straws with different diameters are directly pressed into sheets with the same thickness without sorting by press mounting, further brings convenience in controlling the thickness of the pipe gallery pipeline, and simultaneously reduces the production cost
3. According to the invention, the straw and the foaming concrete are used as the reinforcing layers, so that the straw and the foaming concrete are light in weight and good in heat preservation effect, the installation, the disassembly and the transportation of the pipe gallery pipeline are convenient, meanwhile, the influence caused by heat expansion and cold contraction of the pipeline can be reduced, and the service life of the pipe gallery pipeline is prolonged.
Drawings
FIG. 1 is a schematic view of a piping lane connection structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a piping lane of the present invention.
In the figure: 1-a piping lane support; 2-piping lane piping; 21-an inner liner layer; 22-foaming concrete layer; 23-a straw reinforcing layer; 24-an outer protective layer.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a bamboo weaving combined material piping lane, includes a plurality of piping lane pipeline 2 and piping lane support 1, the piping lane comprises the structure in corridor of a plurality of piping lane pipeline 2 and piping lane support 1, piping lane pipeline 2 still includes inner liner 21, enhancement layer and outer inoxidizing coating 24, the enhancement layer includes foaming concrete layer 22 and straw enhancement layer 23, foaming concrete layer 22 adopts the template to pour and forms, straw enhancement layer 23 comprises multilayer straw layer, inner liner 21 with outer inoxidizing coating 24 comprises multilayer thin bamboo skin layer, the thin bamboo skin layer is formed by the thin bamboo skin winding.
Wherein, the periphery of the inner liner layer 21 and the outer protective layer 24 is wrapped with bamboo fiber mesh cloth.
Wherein, the surface of bamboo fiber net cloth parcel has fire-retardant layer, plays fire-retardant effect.
Wherein the straw is one or more of wheat straw, rice straw, corn straw and sorghum straw, so that the production cost is reduced.
Wherein, the straw reinforcing layer 23 is arranged between any two bamboo split layers of the outer protective layer 24 and between the foaming concrete layer and the outer protective layer, so that the strength of the support is increased.
The invention also discloses a preparation method of the bamboo weaving composite material pipe gallery, which comprises the following steps of:
s1: dividing the whole pipe gallery into a plurality of construction areas according to the characteristics of a construction site, the structural form, the total length and the like of the pipe gallery, modeling pipe gallery engineering by adopting professional software and carrying out accurate die matching to form a standard die matching construction drawing;
s2: manufacturing a plurality of pipelines of the pipe rack according to the drawing in the S1;
s3: and fixedly mounting a pipe gallery support on a side wall of pipe gallery installation, and splicing and mounting pipe gallery pipelines in different construction stages.
The manufacturing steps of the pipe gallery pipeline are as follows:
s1: manufacturing a template of the foaming concrete layer according to a drawing;
s2: cutting raw bamboo into bamboo chips, removing green and yellow of the bamboo chips, cutting the bamboo chips into bamboo strips, steaming and softening the bamboo strips, arranging the bamboo strips in parallel, and rolling to obtain a bamboo strip roll for later use;
s3: removing the rest parts except the stems of the straws, drying the stems of the straws, and cutting the stems of the straws into the same length for standby;
s4: pouring a foaming concrete pipeline according to the template in the step S1, and setting for more than 24 hours for curing;
s5: manufacturing an inner liner according to the diameter size of the inner wall of the foamed concrete pipeline, unwinding a bamboo strip roll on a template according to the foamed concrete pipeline in the step S4, winding the unwound bamboo strip, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely coated by the adhesive, curing to obtain the inner liner, winding a grid cloth on the inner liner, and adhering the inner liner to the inner wall of the foamed concrete pipeline manufactured in the step S4;
s6: wrapping bamboo fiber grid cloth around the pipe, conveying straw stems in the same direction above the grid cloth, enabling the straw stems to be tightly paved on the grid cloth in parallel along with the conveying of the grid cloth to a die, enabling the paving direction of the straw to be the same as the conveying direction of the grid cloth, pressing the paved straw stems into sheets, sewing the straw stems along the paving direction perpendicular to the straw stems, and winding the sewn straw stems on the foaming concrete layer 22 after dipping the straw stems along with the conveying of the grid cloth through a dipping tank, and curing to obtain a straw reinforcing layer;
s7: unwinding a bamboo strip roll, winding the unwound bamboo strip around the periphery of the straw reinforced layer 23 prepared in the step S6, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely covered by the adhesive, curing to obtain an outer protective layer, winding grid cloth on the outer protective layer, conveying a straw stem in the same direction above the grid cloth between any two bamboo strip layers, enabling the straw stem to be tightly paved on the grid cloth in parallel along with the conveying of the grid cloth to a die, wherein the paving direction of the straw is the same as the conveying direction of the grid cloth, then pressing the paved straw stem into a sheet shape, sewing the straw stem along the direction perpendicular to the paving direction of the straw stem, dipping the sewn straw stem along with the conveying of the grid cloth, winding the outer protective layer on the bamboo strip layer, and curing to obtain the straw reinforced layer 23 between any two bamboo strip layers;
s8: and (3) spraying a layer of anti-corrosion and waterproof material on the outer protective layer prepared in the step (S7) to prepare the pipeline of the pipe gallery.
Wherein, the moisture content of the dried straw stem in the straw enhancement layer 23 is 2% -5%.
Wherein, the bamboo fiber grid cloth comprises at least one layer of bamboo weaving fiber layer.
Wherein, in S5, S6 and S7, a pressure roller is adopted for extrusion rolling, the pressure of the pressure roller is kept at 50-80N, the curing temperature is 100-120 ℃ in S5, S6 and S7, the curing time is 10-24h, and the pressure not less than 0.3MPa is applied during curing.
Embodiment one: the steps in the invention are utilized to manufacture the pipe gallery pipeline with nominal diameter of 400mm, pipe wall thickness of 10CM and pressure grade of 1.0 MPa.
S1: and (3) manufacturing a template of the foaming concrete layer according to the drawing, pouring a foaming concrete layer 22 pipeline according to the template, and curing for more than 24 hours, wherein the diameter size of the inner wall of the foaming concrete layer 22 pipeline is 382CM, and the wall thickness is 8CM.
S2: cutting raw bamboo into bamboo chips, removing green and yellow of the bamboo chips, cutting the bamboo chips into bamboo strips, steaming and softening the bamboo strips, arranging the bamboo strips in parallel, and rolling to obtain a bamboo strip roll for later use;
s3: removing the rest parts except the stems of the straws, drying the stems of the straws, and cutting the stems of the straws into the same length for standby;
s4: manufacturing an inner liner according to the diameter size of the inner wall of the foamed concrete pipeline, unwinding a bamboo strip roll on a template according to the foamed concrete pipeline in S4, winding the unwound bamboo strip, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely covered by the adhesive, curing to obtain the inner liner, winding a grid cloth on the inner liner, adhering the inner liner to the inner wall of the foamed concrete pipeline manufactured in S1, coating a polished straight pipe die with the outer diameter of 400mm with a polyester film with the thickness of 0.05mm, manufacturing an inner liner 21 with the wall thickness of 0.5CM on the demoulding layer of the straight pipe die by using an adhesive, a bamboo fiber non-woven fabric and a glass fiber knitted felt, extruding and winding by using a pressure roller, keeping the pressure of the pressure roller at 50N, curing temperature of 110 ℃ for 15h, and applying pressure of not less than 0.3MPa when curing;
s6: wrapping bamboo fiber grid cloth around the pipe, conveying straw stems in the same direction above the grid cloth, enabling the straw stems to be tightly paved on the grid cloth in parallel along with the conveying of the grid cloth to a die, enabling the paving direction of the straw to be the same as the conveying direction of the grid cloth, pressing the paved straw stems into sheets, sewing the straw stems along the direction perpendicular to the paving direction of the straw stems, dipping the sewn straw stems along with the conveying of the grid cloth through a dipping tank, winding the sewn straw stems on the foaming concrete layer 22, curing to obtain a straw reinforcing layer 23, designing the wall thickness of the straw reinforcing layer 23 to be 0.5CM, adopting a pressure roller for extrusion rolling, keeping the pressure of the pressure roller at 50N, enabling the curing temperature to be 110 ℃, enabling the curing time to be 15h, and applying a pressure not less than 0.3MPa during curing;
s7: unwinding a bamboo strip roll, winding the unwound bamboo strip around the periphery of the straw reinforced layer 23 prepared in the step S6, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely covered by the adhesive, curing to obtain an outer protective layer, winding grid cloth on the outer protective layer, conveying a straw stem with the same direction above the grid cloth between any two bamboo strip layers, tightly paving the straw stem on the grid cloth in parallel along with the conveying of the grid cloth to a die, pressing the paved straw stem into sheets along the conveying direction of the grid cloth, sewing the straw stem along the direction perpendicular to the paving direction of the straw stem, the sewn straw stem is glued by a glue dipping groove along with the transportation of the gridding cloth, then is wound on the bamboo skin layers, the straw reinforcing layer 23 between any two bamboo skin layers is obtained through solidification, the winding thickness of each bamboo skin layer is 0.2CM, the thickness of the straw reinforcing layer 23 wound on the periphery of each bamboo skin layer is 0.2CM, three layers of the bamboo skin layers are arranged, and the straw reinforcing layer 23 on the outer protective layer 24 is totally provided with two layers, so that the wall thickness of the outer protective layer 24 is 1CM, the pressing roller is adopted for extrusion rolling during rolling, the pressure of the pressing roller is kept at 80N, the solidification temperature is 110 ℃, the solidification time is 24h, and the pressure of not less than 0.5MPa is applied during solidification.
S8: and (3) spraying a layer of anti-corrosion and waterproof material on the outer protective layer 24 prepared in the step (S7) to prepare the pipe gallery pipeline with the nominal diameter of 400mm and the pipe wall thickness of 10 CM.
The pipe gallery pipe is tested by water pressure, the short-time failure water pressure reaches 0.8MPa, the rigidity reaches 7800N/m < 2 >, the circumferential tensile strength reaches 450KN/m, and the pipe gallery pipe which is not added with the bamboo woven composite material of the foamed concrete layer 22 and the straw reinforcing layer 23 is tested by water pressure, the short-time failure water pressure reaches 1.0MPa, the rigidity reaches 7300N/m < 2 >, and the circumferential tensile strength reaches 300KN/m.
According to the first embodiment, when the pipe rack pipe is manufactured, the supporting strength of the pipe rack can be increased by arranging the reinforcing layer, namely the foamed concrete layer 22 and the straw reinforcing layer 23, and when the pipe rack pipe is manufactured, the pipe with a certain nominal diameter can be directly manufactured by arranging the foamed concrete layer 22, so that the wall thickness of the pipe rack pipe is convenient to control, and the manufacturing difficulty is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a bamboo plaited combined material piping lane, includes a plurality of piping lane pipeline and piping lane support, piping lane comprises the structure in corridor by a plurality of piping lane pipeline and piping lane support, piping lane pipeline still includes inner liner, enhancement layer and outer inoxidizing coating, its characterized in that: the reinforced layer comprises a foamed concrete layer and a straw reinforced layer, the foamed concrete layer is formed by pouring a template, the straw reinforced layer is composed of a plurality of straw layers, the inner liner layer and the outer protective layer are composed of a plurality of bamboo skin layers, and the bamboo skin layers are formed by winding bamboo skin layers;
the preparation method of the bamboo woven composite material pipe gallery comprises the following steps:
s1: dividing the whole pipe gallery into a plurality of construction areas according to the characteristics of a construction site, the structural form and the total length of the pipe gallery, modeling pipe gallery engineering by adopting professional software and carrying out accurate die matching to form a standard die matching construction drawing;
s2: manufacturing a plurality of pipelines of the pipe rack according to the drawing in the step S1;
s3: fixedly mounting a pipe gallery support on a side wall of pipe gallery installation, and splicing and mounting pipe gallery pipelines in different construction stages;
the manufacturing steps of the pipe gallery pipeline are as follows:
s1: manufacturing a template of the foaming concrete layer according to a drawing;
s2: cutting raw bamboo into bamboo chips, removing green and yellow of the bamboo chips, cutting the bamboo chips into bamboo strips, steaming and softening the bamboo strips, arranging the bamboo strips in parallel, and rolling to obtain a bamboo strip roll for later use;
s3: removing the rest parts except the stems of the straws, drying the stems of the straws, and cutting the stems of the straws into the same length for standby;
s4: pouring a foaming concrete pipeline according to the template in the step S1, and setting for more than 24 hours for curing;
s5: manufacturing an inner liner according to the diameter size of the inner wall of the foamed concrete pipeline, unwinding a bamboo strip roll on a template according to the foamed concrete pipeline in the step S4, winding the unwound bamboo strip, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely coated by the adhesive, curing to obtain the inner liner, winding a grid cloth on the inner liner, and adhering the inner liner to the inner wall of the foamed concrete pipeline manufactured in the step S4;
s6: wrapping bamboo fiber grid cloth around the pipe, conveying straw stems in the same direction above the grid cloth, enabling the straw stems to be tightly paved on the grid cloth in parallel along with the conveying of the grid cloth to a die, enabling the paving direction of the straw to be the same as the conveying direction of the grid cloth, pressing the paved straw stems into sheets, sewing the straw stems along the paving direction perpendicular to the straw stems, and winding the sewn straw stems on the foaming concrete layer after dipping the straw stems along with the conveying of the grid cloth through a dipping tank, and curing to obtain a straw reinforcing layer;
s7: unwinding a bamboo strip roll, winding the unwound bamboo strip around the periphery of the straw reinforced layer prepared in the step S6, conveying an adhesive to the bamboo strip while winding, ensuring that the bamboo strip on the bamboo strip is completely covered by the adhesive, curing to obtain an outer protective layer, winding grid cloth on the outer protective layer, conveying a straw stem in the same direction above the grid cloth between any two bamboo strip layers, enabling the straw stem to be tightly paved on the grid cloth in parallel along with the conveying of the grid cloth to a die, enabling the paving direction of the straw to be the same as the conveying direction of the grid cloth, then pressing the paved straw stem into a sheet, sewing the straw stem along the paving direction perpendicular to the straw stem, dipping the sewn straw stem along with the conveying of the grid cloth through a dipping tank, winding the glued straw stem on the bamboo strip layer, and curing to obtain the straw reinforced layer between any two bamboo strip layers;
s8: spraying a layer of anti-corrosion waterproof material on the outer protective layer prepared in the step S7, so that a pipeline of the pipe gallery can be prepared;
the water content of the dried straw stems in the straw reinforcing layer is 2% -5%, the bamboo fiber mesh cloth comprises at least one layer of bamboo woven fiber layer, the bamboo woven fiber layer is extruded and wound by a pressure roller in S5, S6 and S7, the pressure of the pressure roller is kept at 50-80N, the curing temperature in S5, S6 and S7 is 100-120 ℃, the curing time is 10-24h, and the pressure of not less than 0.3MPa is applied during curing.
2. A bamboo woven composite material pipe gallery as claimed in claim 1, wherein: the periphery of the inner liner layer and the outer protective layer is wrapped with bamboo fiber mesh cloth.
3. A bamboo woven composite material pipe gallery as claimed in claim 2, wherein: the surface of the bamboo fiber mesh cloth is wrapped with a flame-retardant layer.
4. A bamboo woven composite material pipe gallery as claimed in claim 1, wherein: the straw is one or more of wheat straw, rice straw, corn straw and sorghum straw.
5. A bamboo woven composite material pipe gallery as claimed in claim 1, wherein: straw reinforcing layers are arranged between any two bamboo skin layers of the outer protective layer and between the foaming concrete layer and the outer protective layer.
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| CN202111303098.4A CN114076230B (en) | 2021-11-05 | 2021-11-05 | Bamboo weaving composite material pipe gallery |
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| CN202111303098.4A CN114076230B (en) | 2021-11-05 | 2021-11-05 | Bamboo weaving composite material pipe gallery |
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| CN114076230B true CN114076230B (en) | 2023-07-07 |
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|---|---|---|---|---|
| CN105042213A (en) * | 2015-09-08 | 2015-11-11 | 浙江鑫宙竹基复合材料科技有限公司 | Prefabricated bamboo composite pipe gallery and manufacturing method thereof |
| 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 |
| CN206929424U (en) * | 2016-10-31 | 2018-01-26 | 浙江鑫宙竹基复合材料科技有限公司 | Enhancing structure for the compound piping lane of bamboo |
| CN107558491B (en) * | 2017-07-13 | 2019-09-17 | 浙江永联建设工程股份有限公司 | A kind of underground pipe gallery and its construction method |
| CN208886137U (en) * | 2018-07-27 | 2019-05-21 | 浙江鑫宙竹基复合材料科技有限公司 | The fixed structure of piping lane support component and piping lane containing the fixed structure |
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2021
- 2021-11-05 CN CN202111303098.4A patent/CN114076230B/en active Active
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| CN114076230A (en) | 2022-02-22 |
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