CN206644391U - Composite earthwork cloth and its manufacturing equipment - Google Patents
Composite earthwork cloth and its manufacturing equipment Download PDFInfo
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- CN206644391U CN206644391U CN201720162883.5U CN201720162883U CN206644391U CN 206644391 U CN206644391 U CN 206644391U CN 201720162883 U CN201720162883 U CN 201720162883U CN 206644391 U CN206644391 U CN 206644391U
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Abstract
The utility model provides a kind of composite earthwork cloth, wherein, the composite earthwork cloth includes the multilayer geotextile layer of stacking and at least one layer of reinforcing fiber layer, the reinforcing fiber layer is arranged between two layers of geotextile layer, in geotextile layer described in multilayer, the effective aperture of at least two layers geotextile layer is different.The utility model also provides a kind of manufacturing equipment of composite earthwork cloth.The composite earthwork cloth has higher intensity, and manufacturing process is simple.
Description
Technical field
Geotextiles field is the utility model is related to, in particular it relates to which this is compound for a kind of composite earthwork cloth and a kind of manufacture
The manufacturing equipment of geotextiles.
Background technology
The advantages that non-woven geotextile is because of good extension property, mechanical property and horizontal permeation strainability, it is wide
It is general be applied to water conservancy, electric power, highway, railway, airport, harbour, enclose and cultivate, environmental protection, flood fighting and various undergrounds, the building work such as underwater
Journey field.At present, it is mostly individual layer geotextiles to apply the geotextiles used in filtering and anti-filter, and by soil in use environment
The influence of grain diameter and gravel particle diameter, cause the fibre fineness of geotextiles to be limited, so as to result in the thickness of geotextiles by
Limit, and then it is relatively thin to result in geotextiles, is easily damaged during use.
Therefore, how to improve the intensity of geotextiles turns into this area technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of composite earthwork cloth and manufactures the manufacturing equipment of the composite earthwork cloth,
The composite earthwork cloth has higher intensity, and manufacturing process is simple.
To achieve these goals, as one side of the present utility model, there is provided a kind of composite earthwork cloth, wherein, institute
State multilayer geotextile layer and at least one layer of reinforcing fiber layer, the reinforcing fiber layer of the composite earthwork cloth including stacking and be arranged on two
Between the layer geotextile layer, in geotextile layer described in multilayer, the effective aperture of at least two layers geotextile layer is different.
Preferably, one layer of reinforcing fiber layer is provided between geotextile layer described in two layers of arbitrary neighborhood, and it is described
The effective aperture of the geotextile layer of reinforcing fiber layer both sides is different.
Preferably, the composite earthwork cloth includes two layers of geotextile layer.
The fibre fineness for one layer of fiber being preferably made from two layers of geotextile layer is 3D-6D, and two layers of institute is made
The fibre fineness for stating another layer of fiber in geotextile layer is 11D-15D.
Preferably, fibre fineness is the grammes per square metre of 3D-6D geotextile layer in 50g/m2To 110g/m2Between, fiber rare earth is
The grammes per square metre of 11D-15D geotextile layer is in 50g/m2To 200g/m2Between.
Preferably, the fiber-reinforced layer includes grid cloth.
Preferably, the grammes per square metre of the fiber-reinforced layer is in 110g/m2To 190g/m2Between.
As other side of the present utility model, there is provided a kind of manufacturing equipment of composite earthwork cloth, wherein, the manufacture
Equipment includes：
Spinning-drawing machine, the spinning-drawing machine is used to spin geotechnological measuring fiber, and forms multilayer geotextiles using the geotechnological measuring fiber
Web, the effective aperture of at least two layers geotextiles web are different；
Spreading machine, the spreading machine are used to mat formation reinforcing fiber layer at least one layer of geotextiles web, and
At least one layer of geotextiles web can also be laid on the reinforcing fiber layer by the spinning-drawing machine, to obtain forerunner
Body；
Shaping equipment, the shaping equipment is used to shape to the presoma, to obtain the composite earthwork cloth.
Preferably, the shaping equipment includes finishing agent system, pinprick reinforcement module and thermal finalization module,
The finishing agent system is located at the downstream of the spinning-drawing machine, for providing lubricant to the presoma；
The pinprick reinforcement module is located at the downstream of the finishing agent system, enters for the presoma after handling lubricant
Row pinprick reinforcement；
The thermal finalization module is located at the downstream of the pinprick reinforcement module, for being carried out to the presoma after pinprick reinforcement
Heat-shaping, to obtain the composite earthwork cloth.
Preferably, the manufacturing equipment also includes cloth storage device and up- coiler, and the cloth storage device fills positioned at the sizing
Downstream is put, the composite earthwork cloth for the shaping equipment to be obtained carries out trimming, and the up- coiler is located at the storage cloth
Device downstream, for being wound in rolls to the composite earthwork cloth after trimming.
Multilayer (including geotextile layer and reinforcing fiber layer) in the composite earthwork cloth passes through same step heat setting process
Formation is integrated, and therefore, each layer in the composite earthwork cloth is not easy to disengage.
When the composite earthwork cloth is applied in filtering and anti-filter application, the less geotextile layer of effective aperture can have
Effect stops fine grained by also, due to the larger geotextile layer of effective aperture in the composite earthwork cloth be present so that described
Composite earthwork cloth has good water penetration.Also, it is higher strong that the reinforcing fiber layer make it that the composite earthwork cloth has
Degree, extend the service life of the composite earthwork cloth.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the schematic diagram of composite earthwork cloth provided by the utility model；
Fig. 2 is the flow chart for the preparation method for manufacturing geotextiles provided by the utility model；
Fig. 3 is the schematic diagram of the manufacturing equipment of composite earthwork cloth provided by the utility model.
Description of reference numerals
10：Geotextile layer 20：Reinforcing fiber layer
110：Extruder 120：Measuring pump
130：Manifold 140：Sub-wire pendulum
150：Lace curtaining 200：Spreading machine
300：Shaping equipment 310：Finishing agent system
320：Acupuncture module 330：Thermal finalization module
410：Cloth storage device 420：Up- coiler
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
As one side of the present utility model, there is provided a kind of composite earthwork cloth, as shown in figure 1, the composite earthwork cloth
Multilayer geotextile layer 10 and at least one layer of reinforcing fiber layer 20, reinforcing fiber layer 20 including stacking are arranged on two layers of geotextile layer
Between 10, in multilayer geotextile layer 20, the effective aperture of at least two layers geotextile layer 10 is different.
Because the composite earthwork cloth includes reinforcing fiber layer 20, therefore, the composite earthwork cloth has higher intensity,
So as to have longer service life.Because the effective aperture of at least two layers geotextile layer 10 is different, in addition geotextile layer 10 it
Between be provided with reinforcing fiber layer 20, therefore, the composite earthwork cloth has good three-dimensional gap structure.
Preferably, the multilayer in the composite earthwork cloth (including geotextile layer and reinforcing fiber layer) is fixed by same step heat
Type technique is formed and is integrated, and therefore, each layer in the composite earthwork cloth is not easy to disengage.
When the composite earthwork cloth is applied in filtering and anti-filter application, the less geotextile layer of effective aperture can have
Effect stops fine grained by also, due to the larger geotextile layer of effective aperture in the composite earthwork cloth be present so that described
Composite earthwork cloth has good water penetration.Also, it is higher strong that the reinforcing fiber layer make it that the composite earthwork cloth has
Degree, extend the service life of the composite earthwork cloth.
In order to increase the thickness of composite earthwork cloth and increase the intensity of composite earthwork cloth, it is preferable that two layers of soil of arbitrary neighborhood
One layer of reinforcing fiber layer 20, and the effective aperture of the geotextile layer 10 of the both sides of reinforcing fiber layer 20 are provided between work layer of cloth 10
It is different.
In the utility model, the number of plies of the number of plies and reinforcing fiber layer 20 to geotextile layer in composite earthwork cloth 10 is simultaneously
There is no special regulation, in order to reduce cost, it is preferable that as shown in figure 1, the composite earthwork cloth includes two layers of geotextile layer
10。
In the utility model, the concrete structure of geotextile layer 10 is not particularly limited, in order that obtaining described multiple
Close geotextiles and be applied to filtering and anti-filter field, it is preferable that the fiber of one layer in two layers of geotextile layer of fiber is made
Fineness is 3D-6D, and the fibre fineness that another layer in two layers of geotextile layer of fiber is made is 11D-15D, so that
The effective aperture of two layers of geotextile layer 10 is different.
Preferably, the grammes per square metre for the geotextile layer that fibre fineness is 3D-6D is 50g/m2To 110g/m2, fiber rare earth is 11D-
The grammes per square metre of 15D geotextile layer is 50g/m2To 200g/m2。
In the utility model, there is no special requirement to the concrete structure of fiber-reinforced layer 20.For example, height can be utilized
Strong fiber (carbon fiber etc.) laying forms fiber-reinforced layer 20.For the ease of laying, it is preferable that fiber-reinforced layer 20 can be with
Including scrim layer.Because grid cloth has been molded, when preparing the composite earthwork cloth, it is only necessary to using unwinder by grid
Cloth unwinding is laid on the fiber web layer that geotextile layer is made.
In the utility model, do not have special requirement to the material of grid cloth.For example, grid cloth can be glass fiber net
Lattice cloth and/or polyethylene grid cloth.
In order that obtaining composite earthwork cloth is applied to filtering and anti-filtration art, effective intensity for strengthening composite earthwork cloth, it is excellent
Selection of land, the grammes per square metre of the fiber-reinforced layer is 110g/m2To 190g/m2。
In order to improve the acidproof alkali ability of composite earthwork cloth, it is preferable that at least one layer of bag in geotextile layer described in multilayer
Include polypropylene filament geotextiles.It is further preferred that all geotextile layers include polypropylene filament geotextiles.
The preparation method of above-mentioned composite earthwork cloth provided by the utility model is provided below, wherein, as shown in Fig. 2 institute
Stating preparation method includes：
In the step s 100, at least one layer of geotextile layer web is formed；
In step s 200, reinforcing fiber layer is laid at least one layer of geotextile layer；
In step S300, at least one layer of geotextiles web is laid on the reinforcing fiber layer, to obtain presoma；
In step S400, the presoma is shaped, to obtain composite earthwork cloth, the composite earthwork cloth includes
The multilayer geotextile layer that the geotextiles web as described in multilayer is formed, the effective aperture of at least two layers geotextile layer are different.
In composite earthwork cloth preparation method provided by the utility model, the presoma is initially formed, then again same
Sandwich construction composite setting can always be formed composite earthwork cloth by one step (that is, step S400).With forming geotextile layer respectively
Then the technique being combined with each other again is compared, and preparation method technique provided herein is simple, easily realize, and thus reduce
The process costs of the production composite earthwork cloth.
Specifically, geotextile layer web can be obtained to the method for spinneret on lace curtaining by using spinning-drawing machine.For letter
Change equipment, different geotextile layer webs can be formed using same spinning-drawing machine.
When performing step S100 using spinning-drawing machine, following steps are specifically included：
In step s 110, the extruder of spinning-drawing machine is fed material into, raw material melted using extruder
Body；
In the step s 120, the different spinning manifolds of spinning-drawing machine will be delivered to after melt-stoichiometry, are had with spinning different thin
The fiber filament of degree；
In step s 130, side-blown cooling is carried out to fiber filament, carries out drawing-off processing, different spinning are controlled by drawing-off
The fineness of the fiber spinned in casing reaches predetermined fineness；
In step S140, a kind of fiber filament of fineness is arranged on sub-wire pendulum, is then laid on lace curtaining, with
Obtain geotextile layer web.
In step s 110, raw material can be polypropylene chip and the anti-aging Masterbatch of polypropylene, it is preferable that polyacrylic
Melt index is 22-40.Preferably, the extruder used in step S110 can be twin (double) screw extruder, and the twin-screw squeezes
One area's temperature of press be 200 DEG C to 230 DEG C, two area's temperature be 220 DEG C to 250 DEG C, three area's temperature be 230 DEG C to 250 DEG C, four
Area's temperature is 230 DEG C to 250 DEG C, and five area's temperature are 230 DEG C to 250 DEG C.
Preferably, in step S130, chilling temperature is 12 DEG C.
Step S300 can include：
In step S310, the fiber filament being delivered in step S120 in the different spinning manifolds of spinning-drawing machine is led
Processing is stretched, to obtain the fiber filament of another fineness；
In step s 320, the fiber filament of another fineness is arranged on another sub-wire pendulum, is then sprayed on fiber increasing
On strong layer, to obtain geotextile layer web.
For example, spinning-drawing machine can be utilized to form the first fiber with the first fineness, and the first fiber is sprayed on lace curtaining
Networking；Then the fiber-reinforced layer is laid；The spinning-drawing machine is finally recycled to form the second fiber with the second fineness, and
Second fiber is sprayed on networking on the fiber-reinforced layer.The presoma can finally be obtained.
The distance between two neighboring sub-wire pendulum can be 4m.One unwinding can be set between two sub-wire pendulums
Frame, reinforcing fiber layer is wrapped on unwinding frame, when lace curtaining is moved at unwinding rack position, by unwinding frame by reinforcing fiber
Layer is laid on geotextiles fiber web layer.Then lace curtaining is moved to another sub-wire pendulum, is laid on reinforcing fiber layer another
Layer geotextiles fiber web layer.
Above the principle and advantage of composite earthwork cloth are described in detail, repeated no more here.
As mentioned above it is possible, in order to reduce cost, it is preferable that the presoma include two layers geotextiles web and
One layer of reinforcing fiber layer.
In the utility model, there is no special requirement to how to perform step S400, it is preferable that step S400 can be wrapped
Include：
In step S410, agent arrangement is lubricated to the presoma；
In the step s 420, the presoma after being arranged to lubricant carries out pinprick reinforcement；
In step S430, thermal finalization is carried out to the presoma after pinprick reinforcement, to obtain the composite earthwork cloth.
By step S430, each layer in presoma can be caused to be securely bonded together, it is not easy to disengage, so as to increase
The bulk strength of the composite earthwork cloth is added.
In step S410, it is whole agent can be lubricated to the presoma by way of spraying, impregnating or apply
Reason.The lubricant used in this step can include antistatic additive, smooth agent etc..
In the utility model, there is no special demand to the concrete technology of pinprick reinforcement in step S420, when described yet
Geotextile layer includes polypropylene filament geotextiles, when fiber-reinforced layer includes glass fiber reticular cloth, needling density can be 100/
cm2To 260/cm2Between individual.Preferably, step S420 can include pre-needling and the step of main acupuncture two.
In the utility model, there is no special requirement to step S430 technological temperature, can be according to geotechnological measuring fiber
The specific material of stratum reticulare selects technological temperature.For example, in preferred embodiment provided by the utility model, the geotechnique
Layer of cloth includes polypropylene filament geotextiles, and fiber-reinforced layer includes glass fiber reticular cloth, therefore, in step S430, the work of thermal finalization
Skill temperature is 100 DEG C to 140 DEG C.Generally, framing shaping machine or hot-rolling mill can be utilized to perform step S430.
As other side of the present utility model, there is provided a kind of manufacturing equipment of composite earthwork cloth, wherein, such as Fig. 3 institutes
Show, the manufacturing equipment includes spinning-drawing machine 100, spreading machine 200 and shaping equipment 300.
Spinning-drawing machine 100 is used to spin geotechnological measuring fiber, and forms multilayer geotechnique's measuring fiber net using the geotechnological measuring fiber,
The effective aperture of at least two layers geotextiles web is different.
Spreading machine 200 is used to mat formation reinforcing fiber layer at least one layer of geotextiles web, and the spinning
At least one layer of geotextiles web can also be laid on the reinforcing fiber layer by machine, to obtain presoma.
Shaping equipment 300 is used to shape to the presoma, to obtain the composite earthwork cloth.
Manufacturing equipment provided by the utility model is used to perform above-mentioned preparation method provided by the utility model, with system
The standby composite earthwork cloth.
It is easily understood that spinning-drawing machine 100 is used to perform step S100 and step S300, spreading machine 200 is used to perform step
Rapid S200, shaping equipment 300 are used to perform step S400.
Preferably, as shown in figure 3, spinning-drawing machine can include feed bin, extruder 110, fondant filter, multiple measuring pumps
120th, multiple spinning manifolds 130, cross air blowing device (not shown), drafting system (not shown), multiple sub-wire pendulums 140, lace curtaining
The equipment such as 150.
Specifically, extruder 110 is used to perform step S110, and measuring pump 120 and spinning manifold 130 are used to perform step
S120, each spinning manifold 130 are corresponding with a measuring pump 120, and each spinning manifold 130 also corresponds to a bean vermicelli pendulum 140.
Cross air blowing device and drafting system are used to perform step S130, and sub-wire pendulum 140 and lace curtaining are used to perform step S140.
Preferably, spreading machine 200 can include the unwinding frame being arranged between two sub-wire pendulums 140.Reinforcing fiber layer
It is wrapped on the unwinding frame.
In figure 3 in shown embodiment, shaping equipment 300 includes finishing agent system 310, pinprick reinforcement module
320 and thermal finalization module 330.
Finishing agent system 310 is located at the downstream of spinning-drawing machine 100, for performing step S410, that is, is used for the presoma
Lubricant is provided.
Pinprick reinforcement module 320 is located at the downstream of finishing agent system 310, for performing step S420, that is, is used for lubrication
Presoma after agent processing carries out pinprick reinforcement.
Thermal finalization module 330 is located at the downstream of pinprick reinforcement module 320, for performing step S430, that is, is used for acupuncture
Presoma after reinforcing carries out heat-shaping, to obtain the composite earthwork cloth.
For the ease of the storage and transport of the composite earthwork cloth, it is preferable that as shown in figure 3, the manufacturing equipment is also wrapped
Include cloth storage device 410 and up- coiler 420.Cloth storage device 410 is located at the downstream of shaping equipment 300, for shaping equipment 300 to be obtained
The composite earthwork cloth carry out trimming, up- coiler 420 is located at the downstream of cloth storage device 410, for the composite earthwork after trimming
Cloth is wound in rolls.
Cloth storage device 410 refers to cut the flash of composite earthwork cloth to geotextiles trimming, to cause composite earthwork cloth
Size more standard.Storage can be put in storage after composite earthwork cloth is wound into a roll.
Embodiment
Embodiment 1
In step s 110, the polypropylene chip that melt index is 28 is launched into feed bin and is delivered to twin-screw extruder
Machine, twin (double) screw extruder carry out heating melting to raw material, are allowed to become melt；
In the step s 120, melt is delivered to first respectively after fondant filter filters by melt conveying pipeline
Measuring pump and the second measuring pump, the first spinning manifold is delivered to after melt-stoichiometry and the second spinning manifold carries out spinning；
In step s 130, the fiber filament side spinned respectively to first spinning manifold and second spinning manifold
Quenching, drawing-off processing is carried out, it is 3D to control the spun fibre fineness of the first spinning manifold by drawing-off, the second spinning manifold
Spun fibre fineness is 15D；
In step S140, fibre fineness is that 3D fiber filament is transported on the first sub-wire pendulum, and fibre fineness is
15D fiber filament is transported on the second sub-wire pendulum, and the fiber filament on the first sub-wire pendulum is uniformly spread extremely into lace curtaining
On, also, by controlling the rotating speed for the measuring pump being connected with the first spinning manifold, to control the geotextile layer web on lace curtaining
Grammes per square metre be 100g/m2；
In step s 200, it is 180g/m by grammes per square metre2Glass fiber reticular cloth by unwind frame unwinding be laid on fibre fineness
On the geotextile layer web formed for 3D fiber filament；
In step S300, the fiber filament on the second sub-wire pendulum is uniformly spread to glass fiber reticular cloth, to form soil
Work layer of cloth web, and presoma is finally obtained, wherein, by the rotating speed control for controlling the measuring pump being connected with the second spinning manifold
The grammes per square metre for the geotextile layer web that the fiber filament that fibre fineness processed is 15D is formed is 150g/m2；
In step S410, the presoma is delivered to finishing agent system using lace curtaining and is lubricated agent arrangement, is arranged
Mode includes sprinkling, dipping or coating；
In the step s 420, pre-needling reinforcing, main pinprick reinforcement, total pin are carried out to the presoma after lubricant arranges
Thorn density is 120/cm2；
In step S430, thermal finalization processing is carried out to the presoma after pinprick reinforcement using framing shaping machine, answered
Geotextiles are closed, the temperature of thermal finalization processing is 110 DEG C；
In step S500, composite earthwork cloth is sent into cloth storage device and up- coiler, after cutting flash, winding, wrapped
Load storehouse.
According to GB/T17639-2008《Geosynthetics filament spunbond needling non-woven geotextiles》It is required that to this implementation
Example product enters the stretching of line width bar and effective aperture test, and its tensile strength is 25KN/m, effective aperture (O90) it is 0.04mm.
Embodiment 2
In step s 110, the polypropylene chip that melt index is 28 is launched into feed bin and is delivered to twin-screw extruder
Machine, twin (double) screw extruder carry out heating melting to raw material, are allowed to become melt；
In the step s 120, melt is delivered to the first meter respectively after fondant filter filters by melt conveying pipeline
Measure pump and the second measuring pump, after melt-stoichiometry, be delivered to the first spinning manifold respectively and the second spinning manifold carries out spinning；
In step s 130, the side-blown air cooling of fiber filament spinned respectively to the first spinning manifold and the second spinning manifold
Afterwards, drawing-off processing is carried out, it is 5D to control the spun fibre fineness of the first spinning manifold by drawing-off, and the second spinning manifold is spun
Fibre fineness is 12D；
In step S140, fibre fineness is that 5D fiber filament is transported on the first sub-wire pendulum, and fibre fineness is
12D fiber filament is transported on the second sub-wire pendulum, and the fiber filament on the first sub-wire pendulum is uniformly spread extremely into lace curtaining
On, also, by controlling the rotating speed for the measuring pump being connected with the first spinning manifold, to control the geotextile layer web on lace curtaining
Grammes per square metre be 150g/m2；
In step s 200, it is 240g/m by grammes per square metre2Glass fiber reticular cloth be layered on fibre fineness by unwinding frame unwinding and be
On the geotextile layer web that 5D fiber filament is formed；
In step S300, the fiber filament on the second sub-wire pendulum is uniformly spread to glass fiber reticular cloth, to form soil
Work layer of cloth web, and presoma is finally obtained, wherein, by the rotating speed control for controlling the measuring pump being connected with the second spinning manifold
The grammes per square metre for the geotextile layer web that the fiber filament that fibre fineness processed is 12D is formed is 220g/m2；
In step S410, the presoma is delivered to finishing agent system using lace curtaining and is lubricated agent arrangement, is arranged
Mode includes sprinkling, dipping or coating；
In the step s 420, pre-needling reinforcing, main pinprick reinforcement, total pin are carried out to the presoma after lubricant arranges
Thorn density is 160/cm2；
In step S430, thermal finalization processing is carried out to the presoma after pinprick reinforcement using framing shaping machine, answered
Geotextiles are closed, the temperature of thermal finalization processing is 130 DEG C
In step S500, composite earthwork cloth is sent into cloth storage device and up- coiler, after cutting flash, winding, wrapped
Load storehouse.
According to GB/T17639-2008《Geosynthetics filament spunbond needling non-woven geotextiles》It is required that to this implementation
Example product enters the stretching of line width bar and effective aperture test, and its tensile strength is 36KN/m, effective aperture (O90) it is 0.06mm.
Embodiment 3
In step s 110, the polypropylene chip that melt index is 28 is launched into feed bin and is delivered to twin-screw extruder
Machine, twin (double) screw extruder carry out heating melting to raw material, are allowed to become melt；
In the step s 120, melt is delivered to first respectively after fondant filter filters by melt conveying pipeline
Measuring pump and the second measuring pump, the first spinning manifold is delivered to after melt-stoichiometry and the second spinning manifold carries out spinning；
In step s 130, the fiber filament side spinned respectively to first spinning manifold and second spinning manifold
Quenching, drawing-off processing is carried out, it is 3D to control the spun fibre fineness of the first spinning manifold by drawing-off, the second spinning manifold
Spun fibre fineness is 11D；
In step S140, fibre fineness is that 3D fiber filament is transported on the first sub-wire pendulum, and fibre fineness is
11D fiber filament is transported on the second sub-wire pendulum, and the fiber filament on the first sub-wire pendulum is uniformly spread extremely into lace curtaining
On, also, by controlling the rotating speed for the measuring pump being connected with the first spinning manifold, to control the geotextile layer web on lace curtaining
Grammes per square metre be 200g/m2；
In step s 200, it is 240g/m by grammes per square metre2Glass fiber reticular cloth by unwind frame unwinding be laid on fibre fineness
On the geotextile layer web formed for 3D fiber filament；
In step S300, the fiber filament on the second sub-wire pendulum is uniformly spread to glass fiber reticular cloth, to form soil
Work layer of cloth web, and presoma is finally obtained, wherein, by the rotating speed control for controlling the measuring pump being connected with the second spinning manifold
The grammes per square metre for the geotextile layer web that the fiber filament that fibre fineness processed is 15D is formed is 200g/m2；
In step S410, the presoma is delivered to finishing agent system using lace curtaining and is lubricated agent arrangement, is arranged
Mode includes sprinkling, dipping or coating；
In the step s 420, pre-needling reinforcing, main pinprick reinforcement, total pin are carried out to the presoma after lubricant arranges
Thorn density is 240/cm2；
In step S430, thermal finalization processing is carried out to the presoma after pinprick reinforcement using framing shaping machine, answered
Geotextiles are closed, the temperature of thermal finalization processing is 140 DEG C；
In step S500, composite earthwork cloth is sent into cloth storage device and up- coiler, after cutting flash, winding, wrapped
Load storehouse.
According to GB/T17639-2008《Geosynthetics filament spunbond needling non-woven geotextiles》It is required that to this implementation
Example product enters the stretching of line width bar and effective aperture test, and its tensile strength is 36KN/m, effective aperture (O90)≤0.02mm。
It is understood that embodiment of above is merely to illustrate that principle of the present utility model and used exemplary
Embodiment, but the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, and these variations and modifications are also considered as this reality
With new protection domain.
Claims (10)
1. a kind of composite earthwork cloth, it is characterised in that the composite earthwork cloth includes the multilayer geotextile layer and at least one of stacking
Layer reinforcing fiber layer, the reinforcing fiber layer are arranged between two layers of geotextile layer, in geotextile layer described in multilayer, at least
The effective aperture of two layers of geotextile layer is different.
2. composite earthwork cloth according to claim 1, it is characterised in that between geotextile layer described in two layers of arbitrary neighborhood
One layer of reinforcing fiber layer is provided with, and the effective aperture of the geotextile layer of the reinforcing fiber layer both sides is different.
3. composite earthwork cloth according to claim 2, it is characterised in that the composite earthwork cloth includes two layers of geotechnique
Layer of cloth.
4. composite earthwork cloth according to claim 3, it is characterised in that be made one layer in two layers of geotextile layer
The fibre fineness of fiber is 3D-6D, and the fibre fineness that another layer in two layers of geotextile layer of fiber is made is 11D-
15D。
5. composite earthwork cloth according to claim 4, it is characterised in that fibre fineness is gram of 3D-6D geotextile layer
Focus on 50g/m2To 110g/m2Between, fiber rare earth is the grammes per square metre of 11D-15D geotextile layer in 50g/m2To 220g/m2It
Between.
6. composite earthwork cloth as claimed in any of claims 1 to 5, it is characterised in that the fiber-reinforced layer bag
Include grid cloth.
7. composite earthwork cloth according to claim 6, it is characterised in that the grammes per square metre of the fiber-reinforced layer is 110g/m2Extremely
190g/m2。
8. a kind of manufacturing equipment of composite earthwork cloth, it is characterised in that the manufacturing equipment includes：
Spinning-drawing machine, the spinning-drawing machine is used to spin geotechnological measuring fiber, and forms multilayer geotechnique's measuring fiber using the geotechnological measuring fiber
Net, the effective aperture of at least two layers geotextiles web are different；
Spreading machine, the spreading machine are used to mat formation reinforcing fiber layer at least one layer of geotextiles web, and described
At least one layer of geotextiles web can also be laid on the reinforcing fiber layer by spinning-drawing machine, to obtain presoma；
Shaping equipment, the shaping equipment is used to shape to the presoma, to obtain the composite earthwork cloth.
9. manufacturing equipment according to claim 8, it is characterised in that the shaping equipment includes finishing agent system, acupuncture
Module and thermal finalization module are reinforced,
The finishing agent system is located at the downstream of the spinning-drawing machine, for providing lubricant to the presoma；
The pinprick reinforcement module is located at the downstream of the finishing agent system, enters the hand-manipulating of needle for the presoma after handling lubricant
Thorn is reinforced；
The thermal finalization module is located at the downstream of the pinprick reinforcement module, for being heated to the presoma after pinprick reinforcement
Sizing, to obtain the composite earthwork cloth.
10. manufacturing equipment according to claim 8 or claim 9, it is characterised in that the manufacturing equipment also include cloth storage device and
Up- coiler, the cloth storage device is located at the shaping equipment downstream, for the composite earthwork for obtaining the shaping equipment
Cloth carries out trimming, and the up- coiler is located at the cloth storage device downstream, for being wound into the composite earthwork cloth after trimming
Volume.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739196A (en) * | 2017-02-22 | 2017-05-31 | 天鼎丰聚丙烯材料技术有限公司 | Composite earthwork cloth and preparation method thereof and manufacturing equipment |
| CN108385651A (en) * | 2018-03-23 | 2018-08-10 | 重庆大学 | A kind of design and construction method carrying out reinforcing soft foundation using composite geotextile |
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2017
- 2017-02-22 CN CN201720162883.5U patent/CN206644391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739196A (en) * | 2017-02-22 | 2017-05-31 | 天鼎丰聚丙烯材料技术有限公司 | Composite earthwork cloth and preparation method thereof and manufacturing equipment |
| CN108385651A (en) * | 2018-03-23 | 2018-08-10 | 重庆大学 | A kind of design and construction method carrying out reinforcing soft foundation using composite geotextile |
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