Unlock instant, AI-driven research and patent intelligence for your innovation.

Water permeable brick with high strength and high water seepage and preparation process thereof

A preparation process and high-strength technology, applied in the field of building materials, can solve the problems of low strength, good water permeability, and easy aging of resin-based permeable bricks, so as to improve material strength and wear resistance, good water permeability, and good use value and the effect of applying the foreground

Inactive Publication Date: 2019-11-26
浙江寰龙环境科技有限公司
View PDF6 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the strength of sintered permeable bricks and resin-based permeable bricks is better than that of cement-based permeable bricks, there is a bottleneck problem that restricts their development: sintered permeable bricks need to be fired at high temperatures, and the sintering temperature is generally 1000 ℃ ~ 1200 ℃, and the energy consumption is high; The fired green body may be deformed and cracked during the cooling process, which will reduce the yield, especially the appearance size error is relatively large, and the production cost is high; resin-based permeable bricks are easy to age under the action of light and heat, especially in the environment. The aging process will be intensified when there is water in the hardened epoxy resin, which will significantly reduce the durability of the permeable brick and shorten the service life
Within a certain range of cement dosage, more cement dosage, high strength, wear resistance, but poor water permeability; less cement dosage, low strength, no wear resistance, but good water permeability
The same type of quartz sand, coarse quartz sand is more wear-resistant than fine quartz sand, but the product has low strength and good water permeability
The strength of the surface layer affects the strength of the whole brick. Although the base cement is less used, the strength of the whole brick is also higher
Quartz sand with particle size of 2.36-1.18mm accounting for 70%-90% has better water permeability and wear resistance than quartz sand with 1.18-0.6mm particles accounting for 80%-90%, but the strength is slightly lower and the surface is rougher.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Water permeable brick with high strength and high water seepage and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Preparation of oxidized glass fiber modified composites:

[0039] 1) Calcining chopped glass fibers at high temperature, placing them in hypochlorous acid solution after cooling, making them fully oxidized, washing with water and drying after finishing, to obtain oxidized glass fibers; the diameter of the chopped glass fibers is 9 -15μm, length 6-8mm. The calcination conditions are: the calcination temperature is 600°C, and the calcination time is 2h;

[0040] 2) Mixing oxidized glass fibers with absolute ethanol, and ultrasonically dispersing to obtain a fiber suspension;

[0041] 3) dissolving the coupling agent in absolute ethanol to form a coupling agent solution;

[0042] 4) Mix the fiber suspension and the coupling agent solution, and reflux at 80° C. for 4 hours;

[0043] 5) cooling to room temperature, obtaining modified oxidized glass fibers after centrifugal separation and drying;

[0044] 6) The modified oxidized glass fiber obtained in step 5 is placed i...

Embodiment 2

[0054] Preparation of oxidized glass fiber modified composites:

[0055] 1) Calcining chopped glass fibers at high temperature, placing them in hypochlorous acid solution after cooling, making them fully oxidized, washing with water and drying after finishing, to obtain oxidized glass fibers; the diameter of the chopped glass fibers is 9 -15μm, length 6-8mm. The calcination conditions are: the calcination temperature is 600°C, and the calcination time is 2h;

[0056] 2) Mixing oxidized glass fibers with absolute ethanol, and ultrasonically dispersing to obtain a fiber suspension;

[0057] 3) dissolving the coupling agent in absolute ethanol to form a coupling agent solution;

[0058] 4) Mix the fiber suspension and the coupling agent solution, and reflux at 80° C. for 4 hours;

[0059] 5) cooling to room temperature, obtaining modified oxidized glass fibers after centrifugal separation and drying;

[0060] 6) The modified oxidized glass fiber obtained in step 5 is placed i...

Embodiment 3

[0070] Preparation of oxidized glass fiber modified composites:

[0071] 1) Calcining chopped glass fibers at high temperature, placing them in hypochlorous acid solution after cooling, making them fully oxidized, washing with water and drying after finishing, to obtain oxidized glass fibers; the diameter of the chopped glass fibers is 9 -15μm, length 6-8mm. The calcination conditions are: the calcination temperature is 600°C, and the calcination time is 2h;

[0072] 2) Mixing oxidized glass fibers with absolute ethanol, and ultrasonically dispersing to obtain a fiber suspension;

[0073] 3) dissolving the coupling agent in absolute ethanol to form a coupling agent solution;

[0074] 4) Mix the fiber suspension and the coupling agent solution, and reflux at 80° C. for 4 hours;

[0075] 5) cooling to room temperature, obtaining modified oxidized glass fibers after centrifugal separation and drying;

[0076] 6) The modified oxidized glass fiber obtained in step 5 is placed i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
lengthaaaaaaaaaa
diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a water permeable brick with high strength and high water seepage. The water permeable brick includes a surface layer and a base layer, the surface layer includes white cement,fine aggregate and a glass fiber modified composite material. The base layer includes cement, coarse aggregate, a reinforcing agent and a water permeable agent. The glass fiber modified composite material is an oxidized glass fiber modified poly(adipic acid) / butylene terephthalate composite material. According to the invention, the glass fiber modified composite material is added into the surfacelayer material of the water permeable brick, and can significantly improve the material strength and wear resistance of the water permeable brick, the base material adopts large-particle size stone seldomly used in the field to cooperate with the reinforcing agent and the water permeable agent, and has good water permeability, therefore the water permeable brick with high strength and high waterseepage provided by the invention has good use value and application prospects.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a formula of permeable bricks and a manufacturing process thereof. Background technique [0002] In order to realize the coordinated development of urbanization and natural resources and environment, protect the urban water ecosystem, reduce rainwater disasters, and develop rainwater resources, sponge city construction has been proposed as a new urban construction concept. Like a sponge, a sponge city can absorb and store rainwater, recycle it, reduce the pollution of initial large-flow rainwater runoff, and be flexible in the face of natural disasters and environmental changes. The construction of sponge city transforms the traditional "quick discharge" model into an organic combination of "seepage, stagnation, storage, purification, use, and discharge" to minimize the negative effects of urbanization on the original natural hydrological characteristics an...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B18/02C04B20/04C04B20/02C04B38/00C04B14/42C04B111/20
CPCC04B18/022C04B20/023C04B20/04C04B28/04C04B2111/00284C04B2111/00612C04B2111/2038C04B2201/50C04B14/00C04B38/00C04B14/42C04B14/02C04B2103/0068C04B38/0041
Inventor 谢荣茂胡月平傅先松
Owner 浙江寰龙环境科技有限公司