阅读说明：本技术 一种可降解排水板的制备工艺 (Preparation process of degradable drainage plate ) 是由 付生 曾德鉴 于 2021-05-28 设计创作，主要内容包括：本发明提供一种可降解排水板的制备工艺,包括以下步骤：S10、准备原料,提前准备好制备所需的原料；小麦秸秆、玉米秸秆、竹纤维、松木纤维、椰壳纤维、蕉麻纤维、稻壳粉；S20、制备混合的植物纤维,将准备好的原料按一定配比混合从而获得植物纤维；S30、压板成型,将配比好的植物纤维与固体胶粘剂混合均匀后投入成型装置中进行压板成型,获得可降解板体；S40、包覆滤网,将获得的可降解板体表面包覆一层滤网,最终获得可降解排水板。通过本发明所提供的制备工艺所制造的排水板可以满足排水板的硬度要求,使其能够顺利插入地下进行排水,并在几个月后降解,环保效果佳。(The invention provides a preparation process of a degradable drainage plate, which comprises the following steps: s10, preparing raw materials, and preparing the required raw materials in advance; wheat straw, corn straw, bamboo fiber, pine fiber, coconut fiber, abaca fiber and rice hull powder; s20, preparing mixed plant fibers, and mixing the prepared raw materials according to a certain ratio to obtain the plant fibers; s30, pressing into a plate, namely uniformly mixing the proportioned plant fiber and the solid adhesive, and then putting the mixture into a forming device for pressing into a plate to obtain a degradable plate; s40, coating a filter screen, coating the surface of the obtained degradable plate body with a layer of filter screen, and finally obtaining the degradable drainage plate. The drainage plate manufactured by the preparation process provided by the invention can meet the hardness requirement of the drainage plate, can be smoothly inserted into the ground for drainage, is degraded after several months, and has good environmental protection effect.)

1. A preparation process of a degradable drainage plate is characterized by comprising the following steps:

s10, preparing raw materials, and preparing the required raw materials in advance; wheat straw, rice straw, corn straw, bamboo fiber, pine fiber, coconut fiber, abaca fiber, rice hull powder and starch;

s20, preparing mixed plant fibers, and mixing the prepared raw materials according to a certain ratio to obtain the plant fibers;

s30, pressing into a plate, namely uniformly mixing the proportioned plant fiber and the solid adhesive, and then putting the mixture into a forming device for pressing into a plate to obtain a degradable plate;

s40, coating a filter screen, coating the surface of the obtained degradable plate body with a layer of filter screen, and finally obtaining the degradable drainage plate.

2. The preparation process of the degradable drainage board according to claim 1, wherein the preparation process comprises the following steps: in step S20, the raw materials are composed of, by mass, 12-17 parts of wheat straw, 10-15 parts of rice straw, 15-20 parts of corn straw, 6-11 parts of bamboo fiber, 20-25 parts of pine fiber, 5-13 parts of coconut fiber, 10-17 parts of abaca fiber, 4-12 parts of rice hull powder and 5-10 parts of starch.

3. The preparation process of the degradable drainage board according to claim 1, wherein the preparation process comprises the following steps: in step S30, the mixture ratio of the plant fiber and the solid adhesive is 65-75% by mass of the plant fiber and 25-35% by mass of the solid adhesive.

4. The preparation process of the degradable drainage board according to claim 1, wherein the preparation process comprises the following steps: in step S40, the screen is made of waste hemp material.

5. The preparation process of the degradable drainage board according to claim 1, wherein the preparation process comprises the following steps: in step S30, the method further includes a process for checking the mixing tightness of the plant fiber and the solid adhesive, including the following steps:

s31, carrying out light scanning on the degradable plate body formed by the pressing plate to obtain an inspection picture, and generating a contour figure for mixed tightness inspection from the inspection picture;

s32, grading the outline graph according to the outline width;

s33, parametrizing the outline width of each level of outline graph according to the graded outline graph;

the parametrization of the outline width of the outline graph specifically comprises the following steps:

s331, taking the longest side of the outline graph as the transverse direction, taking the width of the outline graph as the longitudinal direction, taking the abscissa at the intersection point of the longest side of the outline graph as zero, determining a plurality of intercepted abscissas from the zero coordinate, and sequentially increasing the value of each intercepted abscissa;

s332, reading the width of the outline graph corresponding to the intercepted abscissa;

s333, counting the width of the read corresponding outline graph, taking the minimum width value as the minimum value of the edge truncation, and making all width values into a trend graph;

s334, determining the abscissa of each inflection point of the trend curve from the trend graph;

s335, determining a distribution diagram of the profile width parameter according to the abscissa of the inflection point, and removing a mixed loose area of the plant fiber and the solid adhesive according to the distribution diagram.

Technical Field

The invention relates to the technical field of drainage plates, in particular to a preparation process of a degradable drainage plate.

Background

All concave-convex hollow stud structures of the drainage plate can quickly and effectively lead out rainwater, so that hydrostatic pressure of the waterproof layer is greatly reduced or even eliminated, and the active waterproof effect can be achieved through the active water guide principle. The drainage plate can effectively protect structures and a waterproof layer and resist various acids and bases in soil and root pricks of plants. When the basement outer wall is backfilled, the waterproof layer can protect buildings and the waterproof layer from being damaged.

The plate body of the drainage plate is made of plastic materials, and can be nondegradable and pollute the environment after being inserted into a low position for use, and the plastic drainage plate is always underground and easily causes foundation subsidence.

Disclosure of Invention

The invention aims to provide a preparation process of a degradable drainage plate, which aims to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of a degradable drainage plate comprises the following steps:

s10, preparing raw materials, and preparing the required raw materials in advance; wheat straw, rice straw, corn straw, bamboo fiber, pine fiber, coconut fiber, abaca fiber, rice hull powder and starch;

s20, preparing mixed plant fibers, and mixing the prepared raw materials according to a certain ratio to obtain the plant fibers;

s30, pressing into a plate, namely uniformly mixing the proportioned plant fiber and the solid adhesive, and then putting the mixture into a forming device for pressing into a plate to obtain a degradable plate;

s40, coating a filter screen, coating the surface of the obtained degradable plate body with a layer of filter screen, and finally obtaining the degradable drainage plate.

In step S20, the raw materials include, by mass, 12-17 parts of wheat straw, 10-15 parts of rice straw, 15-20 parts of corn straw, 6-11 parts of bamboo fiber, 20-25 parts of pine fiber, 5-13 parts of coconut fiber, 10-17 parts of abaca fiber, 4-12 parts of rice hull powder, and 5-10 parts of starch.

In step S30, the mixture ratio of the plant fiber and the solid adhesive is 65-75% by mass of the plant fiber and 25-35% by mass of the solid adhesive.

As a modification of the present invention, in step S40, the screen is made of waste hemp material.

As a modification of the present invention, in step S30, the method further includes a process for checking the mixing tightness of the plant fiber and the solid adhesive, including the following steps:

s31, carrying out light scanning on the degradable plate body formed by the pressing plate to obtain an inspection picture, and generating a contour figure for mixed tightness inspection from the inspection picture;

s32, grading the outline graph according to the outline width;

s33, parametrizing the outline width of each level of outline graph according to the graded outline graph;

the parametrization of the outline width of the outline graph specifically comprises the following steps:

s331, taking the longest side of the outline graph as the transverse direction, taking the width of the outline graph as the longitudinal direction, taking the abscissa at the intersection point of the longest side of the outline graph as zero, determining a plurality of intercepted abscissas from the zero coordinate, and sequentially increasing the value of each intercepted abscissa;

s332, reading the width of the outline graph corresponding to the intercepted abscissa;

s333, counting the width of the read corresponding outline graph, taking the minimum width value as the minimum value of the edge truncation, and making all width values into a trend graph;

s334, determining the abscissa of each inflection point of the trend curve from the trend graph;

s335, determining a distribution diagram of the profile width parameter according to the abscissa of the inflection point, and removing a mixed loose area of the plant fiber and the solid adhesive according to the distribution diagram.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Detailed Description

The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.

A preparation process of a degradable drainage plate comprises the following steps:

s10, preparing raw materials, and preparing the required raw materials in advance; wheat straw, rice straw, corn straw, bamboo fiber, pine fiber, coconut fiber, abaca fiber, rice hull powder and starch;

s20, preparing mixed plant fibers, and mixing the prepared raw materials according to a certain ratio to obtain the plant fibers;

s30, pressing into a plate, namely uniformly mixing the proportioned plant fiber and the solid adhesive, and then putting the mixture into a forming device for pressing into a plate to obtain a degradable plate;

s40, coating a filter screen, coating the surface of the obtained degradable plate body with a layer of filter screen, and finally obtaining the degradable drainage plate.

In step S20, the raw materials include, by mass, 12-17 parts of wheat straw, 10-15 parts of rice straw, 15-20 parts of corn straw, 6-11 parts of bamboo fiber, 20-25 parts of pine fiber, 5-13 parts of coconut fiber, 10-17 parts of abaca fiber, 4-12 parts of rice hull powder, and 5-10 parts of starch.

As an embodiment of the present invention, in step S30, the mixture ratio of the plant fiber and the solid adhesive is 65% to 75% by mass of the plant fiber and 25% to 35% by mass of the solid adhesive.

As an embodiment of the present invention, in step S40, the screen is made of waste hemp material.

As an embodiment of the present invention, in step S30, the method further includes a process for checking the mixing tightness of the plant fiber and the solid adhesive, including the following steps:

s31, carrying out light scanning on the degradable plate body formed by the pressing plate to obtain an inspection picture, and generating a contour figure for mixed tightness inspection from the inspection picture;

s32, grading the outline graph according to the outline width;

s33, parametrizing the outline width of each level of outline graph according to the graded outline graph;

the parametrization of the outline width of the outline graph specifically comprises the following steps:

s331, taking the longest side of the outline graph as the transverse direction, taking the width of the outline graph as the longitudinal direction, taking the abscissa at the intersection point of the longest side of the outline graph as zero, determining a plurality of intercepted abscissas from the zero coordinate, and sequentially increasing the value of each intercepted abscissa;

s332, reading the width of the outline graph corresponding to the intercepted abscissa;

s333, counting the width of the read corresponding outline graph, taking the minimum width value as the minimum value of the edge truncation, and making all width values into a trend graph;

s334, determining the abscissa of each inflection point of the trend curve from the trend graph;

s335, determining a distribution diagram of the profile width parameter according to the abscissa of the inflection point, and removing a mixed loose area of the plant fiber and the solid adhesive according to the distribution diagram.

In one embodiment, the specific steps are as follows:

s10, preparing raw materials, and preparing the required raw materials in advance; wheat straw, corn straw, bamboo fiber, pine fiber, coconut fiber, abaca fiber and rice hull powder;

s20, preparing mixed plant fibers, and mixing the prepared raw materials according to a certain ratio to obtain the plant fibers; the proportion of each raw material is 12 parts of wheat straw, 10 parts of rice straw, 15 parts of corn straw, 6 parts of bamboo fiber, 20 parts of pine fiber, 5 parts of coconut fiber, 10 parts of abaca fiber, 4 parts of rice hull powder and 5 parts of starch by mass;

s30, pressing into a plate, namely uniformly mixing the proportioned plant fiber and the solid adhesive, and then putting the mixture into a forming device for pressing into a plate to obtain a degradable plate; the proportion of the plant fiber and the solid adhesive is 65 percent of the plant fiber and 35 percent of the solid adhesive according to the mass percentage;

s40, coating a filter screen, coating the surface of the obtained degradable plate body with a layer of filter screen, and finally obtaining the degradable drainage plate.

In another embodiment, the specific steps are as follows:

s10, preparing raw materials, and preparing the required raw materials in advance; wheat straw, rice straw, corn straw, bamboo fiber, pine fiber, coconut fiber, abaca fiber, rice hull powder and starch;

s20, preparing mixed plant fibers, and mixing the prepared raw materials according to a certain ratio to obtain the plant fibers; the raw materials comprise, by mass, 17 parts of wheat straw, 15 parts of rice straw, 20 parts of corn straw, 11 parts of bamboo fiber, 25 parts of pine fiber, 13 parts of coconut fiber, 17 parts of abaca fiber, 12 parts of rice hull powder and 10 parts of starch;

s30, pressing into a plate, namely uniformly mixing the proportioned plant fiber and the solid adhesive, and then putting the mixture into a forming device for pressing into a plate to obtain a degradable plate; the proportion of the plant fiber and the solid adhesive is 75 percent of the plant fiber and 25 percent of the solid adhesive according to the mass percentage;

s40, coating a filter screen, coating the surface of the obtained degradable plate body with a layer of filter screen, and finally obtaining the degradable drainage plate.

In each of the above embodiments, the mixing of the vegetable fibres with the solid adhesive is critical and can even seriously affect the final quality of the drainage panel. For this purpose, the mixing effect of the two is monitored at any time. At present, no specific method is available for accurately detecting the mixed bonding effect between the raw material of the drain board and the solid adhesive. The inspection method provided by the invention adopts an image contrast quantification method for monitoring. Specifically, a certain gap pattern is formed after the two materials are mixed and bonded, and according to quantitative analysis of the gap patterns, whether the mixed bonding effect of the plant fiber and the solid adhesive meets the requirement or not can be determined laterally.

The drainage plate manufactured by the preparation process provided by the invention can meet the hardness requirement of the drainage plate, can be smoothly inserted into the ground for drainage, is degraded after several months, and has good environmental protection effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.