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Salt-removing pipe containing high-strength water-permeable layer and application of salt-removing pipe in salt removing of saline-alkaline land

A technology of permeable layer and salt discharge pipe, applied in the field of salt discharge pipe, can solve the problems of weak disease resistance, low Vicat softening point, small bending modulus, etc. The effect of large modulus

Inactive Publication Date: 2016-12-21
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The existing dark pipe body has low bending strength, small bending modulus, and low Vicat softening point;
[0005] 2. Plants planted after improving saline-alkali land by using the existing salt discharge pipe to discharge salt, the growth rate of the plants is slow;
[0006] 3. The plants planted after improving the saline-alkali land by using the existing salt discharge pipes have low survival rate and weak disease resistance
[0007] In summary, there are obviously inconveniences and defects in the actual use of the existing technology, so it is necessary to improve

Method used

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  • Salt-removing pipe containing high-strength water-permeable layer and application of salt-removing pipe in salt removing of saline-alkaline land
  • Salt-removing pipe containing high-strength water-permeable layer and application of salt-removing pipe in salt removing of saline-alkaline land
  • Salt-removing pipe containing high-strength water-permeable layer and application of salt-removing pipe in salt removing of saline-alkaline land

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 A salt discharge pipe with a high-strength water-permeable layer

[0037] A salt discharge pipe containing a high-strength water-permeable layer, including a hidden pipe and a water-permeable layer, the outer surface of the dark pipe is wrapped with a nylon mesh;

[0038] The dark tube is processed from the following raw materials in parts by weight:

[0039] 134 parts of random copolymerized polypropylene, 67 parts of polyvinyl chloride, 16 parts of PA-polyamide, 4.5 parts of 2,4-dihydroxybenzophenone, 2.6 parts of 2-hydroxy-4-methoxybenzophenone, 3.1 parts of resorcinol monobenzoate, 2.7 parts of aluminum oxide trihydrate, 2.5 parts of hexamethylphosphoric triamide, 2.3 parts of polypropylene wax, 3.8 parts of diisobutyl phthalate, 0.8 parts of diatomaceous earth , 2.2 parts of glass fiber, 4.0 parts of N-phenyl-α-aniline, 1.8 parts of maleic anhydride grafted polypropylene.

[0040] The concealed pipe is a PVC corrugated pipe, the maximum cross-sectional ...

Embodiment 2

[0055] Example 2 A salt discharge pipe containing a high-strength water-permeable layer

[0056] A salt discharge pipe containing a high-strength water-permeable layer, including a hidden pipe and a water-permeable layer, the outer surface of the dark pipe is wrapped with a nylon mesh;

[0057] The dark tube is processed from the following raw materials in parts by weight:

[0058] 140 parts of random copolymerized polypropylene, 70 parts of polyvinyl chloride, 18 parts of PA-polyamide, 5.0 parts of 2,4-dihydroxybenzophenone, 3.0 parts of 2-hydroxy-4-methoxybenzophenone, 3.5 parts of resorcinol monobenzoate, 3.0 parts of aluminum oxide trihydrate, 2.9 parts of hexamethylphosphoric triamide, 2.6 parts of polypropylene wax, 4.0 parts of diisobutyl phthalate, 1.0 parts of diatomaceous earth , 2.4 parts of glass fiber, 4.2 parts of N-phenyl-α-aniline, 2.0 parts of maleic anhydride grafted polypropylene.

[0059] The concealed pipe is a PVC corrugated pipe, the maximum cross-sect...

Embodiment 3

[0074] Example 3 A salt discharge pipe containing a high-strength water-permeable layer

[0075] A salt discharge pipe containing a high-strength water-permeable layer, including a hidden pipe and a water-permeable layer, the outer surface of the dark pipe is wrapped with a nylon mesh;

[0076] The dark tube is processed from the following raw materials in parts by weight:

[0077] 146 parts of random copolymerized polypropylene, 73 parts of polyvinyl chloride, 20 parts of PA-polyamide, 5.5 parts of 2,4-dihydroxybenzophenone, 3.4 parts of 2-hydroxy-4-methoxybenzophenone, 3.9 parts of resorcinol monobenzoate, 3.3 parts of aluminum oxide trihydrate, 3.3 parts of hexamethylphosphoric triamide, 2.9 parts of polypropylene wax, 4.2 parts of diisobutyl phthalate, 1.2 parts of diatomaceous earth , 2.6 parts of glass fiber, 4.4 parts of N-phenyl-α-aniline, 2.2 parts of maleic anhydride grafted polypropylene.

[0078] The concealed pipe is a PVC corrugated pipe, the maximum cross-sect...

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Abstract

The invention provides a salt-removing pipe containing a high-strength water-permeable layer. The salt-removing pipe comprises a concealed pipe and the water-permeable layer, wherein the external surface of the concealed pipe is wound with a nylon mesh. The invention further provides an application of the salt-removing pipe containing the high-strength water-permeable layer in salt removing of saline-alkaline land. According to the salt-removing pipe and the application thereof, the concealed pipe is high in flexural strength, large in flexural modulus and high in Vicat softening point, wherein the flexural strength is 52MPa to 61MPa, the flexural modulus is 50MPa to 59MPa, and the Vicat softening point is 160 DEG C to 170 DEG C; the growth speed of plants planted in the saline-alkaline land which is subjected to salt-removing amendment by using the salt-removing pipe provided by the invention is increased greatly; the plants planted in the saline-alkaline land which is subjected to salt-removing amendment by using the salt-removing pipe provided by the invention are high in survival rate and high in disease resistance; and taking cedar for example, the survival rate of transplanted cedars can reach 95.8% to 99.0%, and the disease resistance to common diseases of the cedars is high.

Description

technical field [0001] The invention belongs to the technical field of saline-alkali land improvement, and in particular relates to a salt discharge pipe with a high-strength water-permeable layer and its application in saline-alkali land salt discharge. Background technique [0002] With the continuous development of social economy, urban land resources are increasingly scarce, and coastal cities have turned their attention to land reclamation. Reclaiming land from the sea can solve the land shortage problem to varying degrees. But on the other hand, we must see that land reclamation has also directly or indirectly led to the degradation of the ecosystem in coastal areas, destroying the natural attributes of tidal wetlands and the unique natural landscape of coastal tidal flats; The constraints of climate and other ecological factors are mainly reflected in the high groundwater level and the salinity of groundwater is greater than 30g / L, which is equivalent to the salinity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B77/00C08L23/14C08L27/06C08L77/00C08L51/06C08K13/04C08K7/14C08K3/22C08K5/12C08K5/5399
CPCA01B77/00C08L23/14C08L2203/18C08L2205/035C08L27/06C08L77/00C08L51/06C08K13/04C08K7/14C08K2003/2227C08K5/12C08K5/5399
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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