CN208558484U - A kind of bilayer Na-bentonite soil type waterproof blanket and production line - Google Patents
A kind of bilayer Na-bentonite soil type waterproof blanket and production line Download PDFInfo
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- CN208558484U CN208558484U CN201820802726.0U CN201820802726U CN208558484U CN 208558484 U CN208558484 U CN 208558484U CN 201820802726 U CN201820802726 U CN 201820802726U CN 208558484 U CN208558484 U CN 208558484U
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Abstract
The utility model provides a kind of double-deck Na-bentonite soil type waterproof blanket and production line, it is successively laid with including bottom geotextile layer, the double-deck Na-bentonite soil layer and non-woven geotechnical cloth layer, and is fixed between bottom geotextile layer, the double-deck Na-bentonite soil layer and non-woven geotechnical cloth layer by needling process from the bottom to top；The double-deck Na-bentonite soil layer is by powder-type Na-bentonite soil layer and granular pattern Na-bentonite soil layer is neighbouring forms；Powder-type Na-bentonite soil layer mass area ratio is 1000g/m2‑2500g/m2, and its bentonite partial size≤0.074mm bentonite accounting >=80%；Granular pattern Na-bentonite soil layer mass area ratio is 2500g/m2‑4000g/m2, bentonite partial size is 0.2mm-2mm.The utility model uses the waterproof blanket and production line, simple production process, it can guarantee waterproof blanket initial stage and whole good barrier performance, mechanical property, compared to production powder-type sodium-based bentonite waterproof carpet, the damage caused by pricker in production process can be reduced under the same conditions, so that production cost be effectively reduced, improve production efficiency and strong applicability.
Description
Technical field
The utility model relates to seepage control technique field more particularly to a kind of double-deck Na-bentonite soil type waterproof blanket and productions
Line.
Background technique
Sodium-based bentonite waterproof carpet is also known as geo composite liner (abbreviation GCL), and most common needle thorn adds in the market
Strong type GCL is that Na-bentonite soil particle or powder are uniformly fixed between 2 layers of geotextiles manufactured one by techniques such as needle thorns
Kind blanket waterproof material.But existing granular pattern GCL and powder-type GCL is as follows in presence in actual production and application process
Problem:
(1) granular pattern GCL simple production process, pricker can readily pass through granular pattern bentonite, will be with past fiber
It is preferably fixedly arranged in woven cloth, finished product items mechanical property is preferable, but its bentonite partial size is larger, and formation is anti-after water is met on surface layer
Moisture film is needed by itself expansion plugging, and aquation needs the regular hour, keeps its barrier performance poor early period；
(2) powder-type GCL bentonite partial size is usually 200 mesh, and smaller and uniform partial size is formed completely after meeting water
Hydration shell waterproof layer, initial stage can play good anti-seepage effect, but its cost is more much higher than granular pattern bentonite, and produce work
Skill is complex, and it is larger that pricker passes through the bentonitic difficulty of powder-type, while being promoted at double to the abrasion of pricker, and pricker band is gone over
Fibre weight it is relatively fewer so that GCL stripping performance is poorer than granular pattern；
(3) due to the limitation that conventional GCL is used, so that industry is constantly transformed GCL, one of research field
It is to add functional layer on product, promotes applicability of the product under special screne, but these treatment process are based on waterproof
In application environment, production cost and technology difficulty are significantly increased, and are unfavorable for large-scale application on the market.
Performance comparison table
Therefore, need to provide a kind of simple production process in the market, initial stage and whole barrier performance are excellent, and mechanical property is excellent
Different, moderate GCL product, to solve the disadvantage that existing GCL product exists.
Summary of the invention
The main purpose of the utility model is that solving problems of the prior art, a kind of production technology letter is provided
It is single, it is swollen compared to production powder-type sodium base while capable of guaranteeing waterproof blanket initial stage and whole good barrier performance, mechanical property
Moisten native waterproof blanket, the damage caused by pricker in production process can be reduced under the same conditions, thus be effectively reduced production cost,
Improve the double-deck Na-bentonite soil type waterproof blanket and production line of production efficiency and strong applicability.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of bilayer Na-bentonite soil type is anti-
Water blanket, wherein the bilayer Na-bentonite soil type waterproof blanket includes bottom geotextile layer, the double-deck Na-bentonite soil layer and nonwoven soil
Work layer of cloth, the bottom geotextile layer, the double-deck Na-bentonite soil layer and non-woven geotechnical cloth layer are successively laid with from the bottom to top, and described
It is fixed between bottom geotextile layer, the double-deck Na-bentonite soil layer and non-woven geotechnical cloth layer by needling process；
The bilayer Na-bentonite soil layer by powder-type Na-bentonite soil layer and granular pattern Na-bentonite soil layer adjacent sets at；
The powder-type Na-bentonite soil layer mass area ratio is 1000g/m2-2500g/m2；
The granular pattern Na-bentonite soil layer mass area ratio is 2500g/m2-4000g/m2。
Further, bentonite partial size≤0.074mm bentonite accounting in the powder-type Na-bentonite soil layer >=
80%.
Further, bentonite partial size is 0.2mm-2mm in the granular pattern Na-bentonite soil layer.
Further, powder-type Na-bentonite soil layer, the powder-type Na-bentonite are set in the bottom geotextile layer
Granular pattern Na-bentonite soil layer is set on soil layer.
Further, granular pattern Na-bentonite soil layer, the granular pattern Na-bentonite are set in the bottom geotextile layer
Powder-type Na-bentonite soil layer is set on soil layer.
Further, the geotextiles in the bottom geotextile layer are set as one of non-woven fabrics or woven cloth or two
Kind.
A kind of production line of the double-deck Na-bentonite soil type waterproof blanket, wherein the bilayer Na-bentonite soil type waterproof blanket
Production line include unreeling machine one, the first duster, the second duster, unreeling machine two, needing machine and trimming up- coiler, it is described to put
Volume machine one, the first duster, the second duster, unreeling machine two, needing machine are successively disposed adjacent with trimming up- coiler, described to unreel
Machine two is fixed on the top of the second duster, and the unreeling machine one, the first duster, the second duster, needing machine and trimming are rolled up
One traction mechanism of parallel setting before machine also sets up geotextiles guiding between the unreeling machine one and the first duster
Mechanism.
Further, two groups of let off roll are set in the unreeling machine one.
The utility model has the advantages and positive effects of:
(1) by by waterproof blanket be designed as by bottom geotextile layer, the double-deck Na-bentonite soil layer and non-woven geotechnical cloth layer according to
The structure of secondary composition can effectively simplify production while improving existing granular pattern sodium-based bentonite waterproof carpet waterproof performance
Technique improves production efficiency, and for comparing overlay film type waterproof blanket, can avoid using environmental issue caused by adhesive.
(2) pass through bottom geotextile layer, powder-type Na-bentonite soil layer, granular pattern Na-bentonite soil layer and non-woven geotextile
Layer can guarantee waterproof blanket initial stage and whole good barrier performance, mechanical property by the fixed waterproof blanket formed of needle point method
While, compared to production powder-type sodium-based bentonite waterproof carpet, can be effectively reduced under the same conditions in production process to pricker
Caused by damage, and reduce production cost, it is moderate.
(3) by the difference according to practical application place, selection to geotextiles type in the geotextile layer of bottom can be into one
Step improves the barrier performance of the waterproof blanket, and adapting it to property is stronger.
(4) cooperation for passing through the first duster and the second duster, can be realized powder-type sodium bentonite in waterproof blanket
The continuous uniform of layer and granular pattern Na-bentonite soil layer is laid with, to can carry out double under conditions of only increasing by a duster
The batch production of layer Na-bentonite soil type waterproof blanket, effectively reduces production cost, therefore improves the bilayer Na-bentonite soil type
The promoted extension of waterproof blanket.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the double-deck Na-bentonite soil type waterproof blanket in the utility model embodiment 1.
Fig. 2 is the structural schematic diagram of the double-deck Na-bentonite soil type waterproof blanket in the utility model embodiment 2.
Fig. 3 is a kind of structural schematic diagram of the double-deck Na-bentonite soil type waterproof blanket in the utility model embodiment 3.
Fig. 4 is another structural schematic diagram of the double-deck Na-bentonite soil type waterproof blanket in the utility model embodiment 3.
Fig. 5 is a kind of structural schematic diagram of the double-deck Na-bentonite soil type waterproof blanket in the utility model embodiment 4.
Fig. 6 is another structural schematic diagram of the double-deck Na-bentonite soil type waterproof blanket in the utility model embodiment 4.
Fig. 7 is the structural schematic diagram of the double-deck Na-bentonite soil type waterproof blanket production line in the utility model.
In figure: bottom geotextile layer 10, the double-deck Na-bentonite soil layer 20, powder-type Na-bentonite soil layer 201, granular pattern sodium
Base bentonite layer 202, non-woven geotechnical cloth layer 30, unreeling machine 1, geotextiles guiding mechanism 401, the first duster 50, second spreads
Powder machine 60, unreeling machine 2 70, needing machine 80, trimming up- coiler 90.
Specific embodiment
In order to better understand the utility model, the utility model is carried out into one with attached drawing combined with specific embodiments below
The description of step.
Embodiment 1: as shown in Figure 1, a kind of bilayer Na-bentonite soil type waterproof blanket, including bottom geotextile layer 10, bilayer
Na-bentonite soil layer 20 and non-woven geotechnical cloth layer 30, bottom geotextile layer 10, the double-deck Na-bentonite soil layer 20 and non-woven geotextile
Layer 30 is successively laid with from the bottom to top, and between bottom geotextile layer 10, the double-deck Na-bentonite soil layer 20 and non-woven geotechnical cloth layer 30
It is fixed by needling process, by being designed as waterproof blanket by bottom geotextile layer 10, the double-deck Na-bentonite soil layer 20 and nonwoven
The structure that geotextile layer 30 successively forms, can while improving existing granular pattern sodium-based bentonite waterproof carpet waterproof performance,
Effectively simplify production technology, improve production efficiency, and for comparing overlay film type waterproof blanket, can avoid using ring caused by adhesive
Guarantor's problem.
The double-deck Na-bentonite soil layer 20 is by powder-type Na-bentonite soil layer 201 and granular pattern Na-bentonite soil layer 202 by upper
The successively adjacent composition under, specifically, the thickness ratio of powder-type Na-bentonite soil layer 201 and granular pattern Na-bentonite soil layer 202
About 2:3；
201 mass area ratio of powder-type Na-bentonite soil layer is 1000g/m2-2500g/m2；
202 mass area ratio of granular pattern Na-bentonite soil layer is 2500g/m2-4000g/m2。
Further, bentonite partial size≤0.074mm bentonite accounting in powder-type Na-bentonite soil layer 201 >=
80%, it is preferable that bentonite partial size selects 0.074mm in powder-type Na-bentonite soil layer 201.
Further, bentonite partial size is 0.2mm-2mm in granular pattern Na-bentonite soil layer 202, passes through bottom geotextiles
Layer 10, powder-type Na-bentonite soil layer 201, granular pattern Na-bentonite soil layer 202 and non-woven geotechnical cloth layer 30 are solid by needle point method
The waterproof blanket being shaped as, while capable of guaranteeing good barrier performance, the mechanical property at waterproof blanket initial stage and entirety, compared to production
Powder-type sodium-based bentonite waterproof carpet (i.e. thickness and area is identical) can be effectively reduced in production process to thorn under the same conditions
It is damaged caused by needle, and reduces production cost, it is moderate.
Further, the geotextiles in bottom geotextile layer 10 are set as non-woven fabrics, the geotechnique in bottom geotextile layer 10
It when cloth selects non-woven fabrics, is applicable on slope, because waterproof blanket and slope can be increased when bottom geotextile layer 10 selects non-woven fabrics
Frictional force.
Embodiment 2: as shown in Fig. 2, a kind of bilayer Na-bentonite soil type waterproof blanket, including bottom geotextile layer 10, bilayer
Na-bentonite soil layer 20 and non-woven geotechnical cloth layer 30, bottom geotextile layer 10, the double-deck Na-bentonite soil layer 20 and non-woven geotextile
Layer 30 is successively laid with from the bottom to top, and between bottom geotextile layer 10, the double-deck Na-bentonite soil layer 20 and non-woven geotechnical cloth layer 30
It is fixed by needling process.
The double-deck Na-bentonite soil layer 20 is by powder-type Na-bentonite soil layer 201 and granular pattern Na-bentonite soil layer 202 under
Supreme successively adjacent composition, specifically, the thickness ratio of powder-type Na-bentonite soil layer 201 and granular pattern Na-bentonite soil layer 202
About 2:3.
201 mass area ratio of powder-type Na-bentonite soil layer is 1000g/m2-2500g/m2。
202 mass area ratio of granular pattern Na-bentonite soil layer is 2500g/m2-4000g/m2。
Further, bentonite partial size≤0.074mm bentonite accounting in powder-type Na-bentonite soil layer 201 >=
80%.
Further, bentonite partial size is 0.2mm-2mm in granular pattern Na-bentonite soil layer 202.
Further, the geotextiles in bottom geotextile layer 10 are set as non-woven fabrics.
Embodiment 3: as shown in Figure 3 and Figure 4, the difference with embodiment 1 and embodiment 2 is, further, bottom geotechnique
Geotextiles in layer of cloth 10 are set as woven cloth, when the geotextiles in bottom geotextile layer 10 select woven cloth, may make that this is anti-
Water blanket is used suitable for routine building environment, and woven cloth can guarantee that waterproof blanket has good mechanical property.
Embodiment 4: as shown in Figure 5 and Figure 6, the difference with embodiment 1-3 is, further, bottom geotextile layer 10
In geotextiles be set as being formed by non-woven fabrics and woven cloth are neighbouring, geotextiles in bottom geotextile layer 10 select nonwoven
When cloth and woven cloth composite structure, being applicable to slope, perhaps environment basement process is slightly worse or in the case of having a sundries such as stone
When, to guarantee that waterproof blanket has preferable Bursting Properties, bottom geotextile layer 10 easily uses non-woven fabrics and woven cloth composite structure,
By the difference according to practical application place, selection to geotextiles type in bottom geotextile layer 10 can further improve this
The barrier performance of waterproof blanket, adapting it to property are stronger.
Now under the same test conditions, to granular pattern sodium-based bentonite waterproof carpet (i.e. granular pattern GCL) in the prior art,
The double-deck Na-bentonite soil type waterproof blanket (the i.e. double-deck Na-bentonite soil type GCL, including powder-type Na-bentonite soil layer in the application
201 mass area ratios are 1500g/m2And 2500g/m2Two kinds of situations) and powder-type sodium bentonite in the prior art
It is as follows that three kinds of waterproof blankets of waterproof blanket (i.e. powder-type GCL) carry out test analysis, wherein identical test condition is pierced including (1) needle
Depth is identical；(2) woven cloth is 110g/m2；(3) non-woven fabrics is 220g/m2:
Infiltration coefficient compares under 1 different time of table
The comparison of 2 product mechanical property of table
By granular pattern sodium-based bentonite waterproof carpet, double-deck Na-bentonite soil type waterproof blanket (the powder-type sodium base in above-mentioned table 1
201 mass area ratio of bentonite bed is 1500g/m2), double-deck Na-bentonite soil type waterproof blanket (the powder-type Na-bentonite soil layer
201 mass area ratios are 2500g/m2) and powder-type sodium-based bentonite waterproof carpet known to:
The barrier performance of (1) four kind of waterproof blanket successively enhances；
(2) granular pattern sodium-based bentonite waterproof carpet initial stage barrier performance is poor, but after granular pattern sodium-based bentonite waterproof carpet
Phase barrier performance improves enhancing with the wherein increase of powder-type bentonite clay particle content；
After (3) 48 hours, the barrier performance of the double-deck Na-bentonite soil type waterproof blanket gradually with powder-type sodium bentonite
The barrier performance gap of waterproof blanket becomes smaller；
(4) (201 mass area ratio of powder-type Na-bentonite soil layer is 1500g/ to the double-deck Na-bentonite soil type waterproof blanket
m2) (201 mass area ratio of powder-type Na-bentonite soil layer is 2500g/m with the double-deck Na-bentonite soil type waterproof blanket2) compare,
The barrier performance of the latter is more preferably.
Therefore, it is examined for production cost, production technology, whole barrier performance, construction reality and market popularization value
To consider, the double-deck Na-bentonite soil type waterproof blanket is preferable with cost, process simplification and whole barrier performance can be greatly lowered,
It is more suitable for existing building construction environment and marketing.
By granular pattern sodium-based bentonite waterproof carpet, double-deck Na-bentonite soil type waterproof blanket (the powder-type sodium base in above-mentioned table 2
201 mass area ratio of bentonite bed is 1500g/m2), double-deck Na-bentonite soil type waterproof blanket (the powder-type Na-bentonite soil layer
201 mass area ratios are 2500g/m2) and powder-type sodium-based bentonite waterproof carpet known to:
The tensile strength of (1) four kind of waterproof blanket, elongation at break are gradually reduced；
(2) (201 mass area ratio of powder-type Na-bentonite soil layer is 1500g/ to the double-deck Na-bentonite soil type waterproof blanket
m2) (201 mass area ratio of powder-type Na-bentonite soil layer is 2500g/m with the double-deck Na-bentonite soil type waterproof blanket2) compare,
The elongation at break of the two is almost the same；
(3) in peel strength performance, powder-type sodium-based bentonite waterproof carpet is easiest to remove from construction environment, double
Layer Na-bentonite soil type waterproof blanket and granular pattern sodium-based bentonite waterproof carpet peel strength are almost the same.
Therefore, the double-deck Na-bentonite soil type waterproof blanket has excellent mechanical property.
Therefore to sum up analyze, for production cost, production technology, whole barrier performance, construction reality and marketing
Value considers, the double-deck Na-bentonite soil type waterproof blanket have it is moderate, cost can be greatly lowered, is process simplification, whole
Body barrier performance is preferable, can effectively reduce the advantages that damage caused by pricker and excellent in mechanical performance, thus is more suitable for existing
There are construction environment and marketing application.
As shown in fig. 7, a kind of production line of bilayer Na-bentonite soil type waterproof blanket, wherein the double-deck Na-bentonite soil type waterproof
The production line of blanket includes unreeling machine 1, the first duster 50, the second duster 60, unreeling machine 2 70, needing machine 80 and trimming
Up- coiler 90, unreeling machine 1, the first duster 50, the second duster 60, unreeling machine 2 70, needing machine 80 and trimming up- coiler
90 are successively disposed adjacent, and unreeling machine 2 70 is fixed on the top of the second duster 60, unreeling machine 1, the first duster 50,
Two dusters 60, needing machine 80 one traction mechanism of setting parallel with before trimming up- coiler 90, unreeling machine 1 and first
A geotextiles guiding mechanism 401 is also set up between duster 50, wherein unreeling machine 1, the first duster 50, the second duster
60, existing skill is respectively adopted in unreeling machine 2 70, needing machine 80, trimming up- coiler 90, traction mechanism and geotextiles guiding mechanism 401
It unreeling machine applied in waterproof blanket production system, duster, needing machine 80, trimming up- coiler 90, traction mechanism and is led in art
To mechanism, the application does not improve the specific structure of aforementioned device and its working principle, therefore is no longer described in detail, and passes through
The cooperation of first duster 50 and the second duster 60 can be realized powder-type Na-bentonite soil layer 201 and particle in waterproof blanket
The continuous uniform of type Na-bentonite soil layer 202 is laid with, to can carry out the double-deck sodium base under conditions of only increasing by a duster
The batch production of bentonite type waterproof blanket, simple production process effectively reduce production cost, therefore it is swollen to improve the bilayer sodium base
Moisten the promoted extension of soil type waterproof blanket.
Further, two groups of let off roll are set in unreeling machine 1, specifically, neighbouring can be arranged in unreeling machine 1
Two groups of let off roll enable to the production line to be suitable for multiple types bilayer sodium bentonite by the setting of two groups of let off roll
The production of type waterproof blanket includes the waterproof blanket suitable under routine building environment, bottom geotextile layer 10 using woven cloth；
Suitable on slope, bottom geotextile layer 10 using the waterproof blanket of non-woven fabrics；Slightly suitable for slope or environment basement process
In the case of poor (including the sundries such as stone), bottom geotextile layer 10 uses the waterproof blanket of non-woven fabrics and woven cloth composite structure
Batch production.
Using the double-deck Na-bentonite soil type waterproof blanket provided by the utility model and production line, simple production process can
It is anti-compared to production powder-type sodium bentonite while guaranteeing good barrier performance, the mechanical property at waterproof blanket initial stage and entirety
Water blanket can reduce the damage caused by pricker in production process under the same conditions, so that production cost be effectively reduced, improve life
It produces efficiency and strong applicability, the production process of the bilayer Na-bentonite soil type waterproof blanket is as follows:
1, it according to the type of the double-deck Na-bentonite soil type waterproof blanket of actual production, is covered on the let off roll of unreeling machine 1
If (even production is suitable for the waterproof blanket under routine building environment to corresponding geotechnique's yardage roll, then puts at one group of unreeling machine 1
Braiding yardage roll is arranged on winding up roller；If production is suitable for the waterproof blanket on slope, covered on one group of let off roll of unreeling machine 1
If nonwoven fabric roll, or it is arranged nonwoven fabric roll on one group of let off roll of unreeling machine 1, woven cloth is arranged on another let off roll
Volume；If it is slightly worse that production is suitable for environment basement process, or has the waterproof blanket in the case of the sundries such as stone, then in unreeling machine 1
One group of let off roll on be arranged nonwoven fabric roll, braiding yardage roll is arranged on another let off roll), cover on the let off roll of unreeling machine 2 70
If nonwoven fabric roll places different types of sodium in the powder box (or powder hopper etc.) of the first duster 50 and the second duster 60 respectively
Base bentonite (i.e. powder-type sodium bentonite or granular pattern sodium bentonite)；
2, it completes first on unreeling machine 1, unreeling machine 2 70, the first duster 50 and the second duster 60 in above-mentioned steps 1
The cloth of beginning raw material postpones, and starting the production line work of the double-deck Na-bentonite soil type waterproof blanket, (electric cabinet is to putting in the production line
Volume machine 1, the first duster 50, the second duster 60, unreeling machine 2 70, needing machine 80, trimming up- coiler 90, traction mechanism
With the control circuit of guiding mechanism and control mode etc., electric cabinet is all made of in waterproof blanket production system in the prior art to being answered
The control circuit and controlling party of unreeling machine, duster, needing machine 80, trimming up- coiler 90, traction mechanism and guiding mechanism
Formula, the application does not improve the control circuit and control mode, therefore is no longer described in detail), at this point, unreeling machine 1
The geotextiles volume being arranged on let off roll carries out geotextiles and unreels movement, i.e., under the auxiliary of guiding mechanism, what geotechnological yardage roll was released
Geotextiles are layed on traction mechanism, and to moving before the first duster 50 under the draw of traction mechanism；
3, it when the geotextiles on traction mechanism are moved to below the powder box of the first duster 50, draws and makees in traction mechanism
Under cooperation, the sodium bentonite continuous uniform in its powder box is layed in geotextiles by the first duster 50, to complete
The laying work of lower layer's Na-bentonite soil layer；
4, it has carried out the geotextiles after lower layer's Na-bentonite soil layer is laid with to continue to move under the cooperation of traction mechanism, the
Continuous uniform is carried out below the powder box of two dusters 60 and is laid with upper layer Na-bentonite soil layer, to complete the entire double-deck Na-bentonite
The laying work of soil layer 20；
5, after completing above-mentioned steps 4, the nonwoven fabric roll progress non-woven fabrics being arranged on the let off roll of unreeling machine 2 70 unreels dynamic
Make, i.e., under the auxiliary of guiding mechanism, the non-woven fabrics that nonwoven fabric roll is released is layed on the double-deck Na-bentonite soil layer 20, and
To moving before needing machine 80 under the draw of traction mechanism；
6, when the product in step 5 is moved to 80 lower section of needing machine, needing machine 80 works, to the product on traction mechanism
It is fixed by needling process, i.e., bottom geotextile layer 10, the double-deck Na-bentonite soil layer 20 and nothing is made by consolidation fibre
It is integral to spin 30 shape of geotextile layer；
7, the waterproof blanket after the processing of needing machine 80 continuously moves on trimming up- coiler 90 under the action of traction mechanism,
And wound by finished product wind up roll, until the waterproof blanket wound on finished product wind up roll reaches setting thickness (setting thickness value
It is consistent to the winding thickness value and setting method of waterproof blanket with prior art waterproof blanket production line, therefore be no longer described in detail), from
And complete the production process of the entire double-deck Na-bentonite soil type waterproof blanket.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is all to become according to equalization made by the scope of the utility model
Change and improve etc., it shall still fall within the scope of this patent.
Claims (7)
1. a kind of bilayer Na-bentonite soil type waterproof blanket, it is characterised in that: the bilayer Na-bentonite soil type waterproof blanket includes bottom
Portion's geotextile layer (10), the double-deck Na-bentonite soil layer (20) and non-woven geotechnical cloth layer (30), it is the bottom geotextile layer (10), double
Layer Na-bentonite soil layer (20) is successively laid with from the bottom to top with non-woven geotechnical cloth layer (30), and the bottom geotextile layer (10),
It is fixed between the double-deck Na-bentonite soil layer (20) and non-woven geotechnical cloth layer (30) by needling process；
The bilayer Na-bentonite soil layer (20) is by powder-type Na-bentonite soil layer (201) and granular pattern Na-bentonite soil layer
(202) adjacent composition；
Powder-type Na-bentonite soil layer (201) mass area ratio is 1000g/m2-2500g/m2；
Granular pattern Na-bentonite soil layer (202) mass area ratio is 2500g/m2-4000g/m2。
2. bilayer Na-bentonite soil type waterproof blanket according to claim 1, it is characterised in that: the granular pattern Na-bentonite
Bentonite partial size is 0.2mm-2mm in soil layer (202).
3. bilayer Na-bentonite soil type waterproof blanket according to claim 1, it is characterised in that: the bottom geotextile layer
(10) powder-type Na-bentonite soil layer (201) are set on, granular pattern sodium base is set on the powder-type Na-bentonite soil layer (201)
Bentonite bed (202).
4. bilayer Na-bentonite soil type waterproof blanket according to claim 1, it is characterised in that: the bottom geotextile layer
(10) granular pattern Na-bentonite soil layer (202) are set on, powder-type sodium base is set on the granular pattern Na-bentonite soil layer (202)
Bentonite bed (201).
5. bilayer Na-bentonite soil type waterproof blanket according to claim 1, it is characterised in that: the bottom geotextile layer
(10) geotextiles in are set as one or both of non-woven fabrics or woven cloth.
6. a kind of for producing the production line of any double-deck Na-bentonite soil type waterproof blanket of claim 1-5, feature
Be: the production line of the bilayer Na-bentonite soil type waterproof blanket includes unreeling machine one (40), the first duster (50), second spreads
Powder machine (60), unreeling machine two (70), needing machine (80) and trimming up- coiler (90), the unreeling machine one (40), the first duster
(50), the second duster (60), unreeling machine two (70), needing machine (80) are successively disposed adjacent with trimming up- coiler (90), described
Unreeling machine two (70) is fixed on the top of the second duster (60), and the unreeling machine one (40), the first duster (50), second are spread
Powder machine (60), needing machine (80) one traction mechanism of setting parallel with before trimming up- coiler (90), the unreeling machine one
(40) a geotextiles guiding mechanism (401) is also set up between the first duster (50).
7. the production line of bilayer Na-bentonite soil type waterproof blanket according to claim 6, it is characterised in that: the unreeling machine
Two groups of let off roll are set in one (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820802726.0U CN208558484U (en) | 2018-05-28 | 2018-05-28 | A kind of bilayer Na-bentonite soil type waterproof blanket and production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820802726.0U CN208558484U (en) | 2018-05-28 | 2018-05-28 | A kind of bilayer Na-bentonite soil type waterproof blanket and production line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158391A (en) * | 2019-05-15 | 2019-08-23 | 东南大学 | A kind of control method of seasonal frozen soil region roadbed freeze-harm |
| CN112206753A (en) * | 2020-09-21 | 2021-01-12 | 东南大学 | Hydrophilic polymer modified bentonite composite material and preparation method and application thereof |
| CN113582319A (en) * | 2021-08-11 | 2021-11-02 | 中新瑞美(天津)环保科技有限公司 | Composite waterproof sodium bentonite blanket for treating water body polluted by phosphorus and arsenic |
| CN113649223A (en) * | 2021-07-14 | 2021-11-16 | 宏祥新材料股份有限公司 | Processing technology and equipment of bentonite waterproof blanket |
| CN115464969A (en) * | 2022-10-03 | 2022-12-13 | 袁江霞 | Waterproofing membrane production facility |
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2018
- 2018-05-28 CN CN201820802726.0U patent/CN208558484U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158391A (en) * | 2019-05-15 | 2019-08-23 | 东南大学 | A kind of control method of seasonal frozen soil region roadbed freeze-harm |
| CN112206753A (en) * | 2020-09-21 | 2021-01-12 | 东南大学 | Hydrophilic polymer modified bentonite composite material and preparation method and application thereof |
| CN113649223A (en) * | 2021-07-14 | 2021-11-16 | 宏祥新材料股份有限公司 | Processing technology and equipment of bentonite waterproof blanket |
| CN113582319A (en) * | 2021-08-11 | 2021-11-02 | 中新瑞美(天津)环保科技有限公司 | Composite waterproof sodium bentonite blanket for treating water body polluted by phosphorus and arsenic |
| CN115464969A (en) * | 2022-10-03 | 2022-12-13 | 袁江霞 | Waterproofing membrane production facility |
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