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Environment-friendly tree pool cover plate, side plate and preparation method and application thereof

A tree pool and cover technology, applied in the field of side panels and tree pool covers, can solve the problems of poor tree growth, low product recycling rate, and low waste utilization rate, and achieve superior product performance and product recycling rate High, high waste utilization ratio effect

Active Publication Date: 2019-03-19
北京大学包头创新研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem existing in the current prior art is that the tree pool covers on the market are mainly wooden tree pools, plastic tree pools, cast iron tree pools and concrete tree pools, but each has irreparable shortcomings, and there are widespread The problems include: a. High cost of raw materials; b. Low added value of products; c. Poor bearing capacity; d. Low proportion of waste utilization; e. Low recycling rate of products; Short service life; i. Poor integrity of the tree pool j. Poor aesthetics; k. Poor adaptability to tree growth

Method used

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  • Environment-friendly tree pool cover plate, side plate and preparation method and application thereof
  • Environment-friendly tree pool cover plate, side plate and preparation method and application thereof
  • Environment-friendly tree pool cover plate, side plate and preparation method and application thereof

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preparation example Construction

[0051] The preferred method of preparing tree pond cover plate of the present invention, comprises the following steps:

[0052] a. Raw material screening: sieve the fly ash and waste PVC raw materials with a sieve, and the sieve residue is less than 5%, packaged for use, and the sieve is preferably 20 mesh to 200 mesh;

[0053] b. Mixing of ingredients: Composition according to weight percentage: fly ash 40-70%, waste PVC 25-50%, light calcium 0-20%, stabilizer 1-3%, modifier 0.9-2.5%, foaming agent 0 ~1%, foam regulator 0~5%, first lubricant stearic acid 0.1~1%, second lubricant (paraffin wax, PE wax, or paraffin wax and PE wax used together) 0.1~1% for weighing , All the above materials will be placed in a high-speed mixer and mixed uniformly; preferably mixed uniformly at 115-135°C, and then cooled to 25-40°C in a low-speed mixer;

[0054] After the material is unqualified or scrapped and recycled, the recycled material is obtained through crushing, grinding and other pro...

Embodiment 1

[0068] Prepare the tree pool cover, side panels and bottom beams by the following steps:

[0069] a. Raw material screening: screen fly ash, ferrosilicon ash and waste PVC raw materials through 20-mesh and 200-mesh screens, and package them for use;

[0070] B, batching mixing: composition according to weight percentage: fly ash 70%, waste and old PVC 25%, stabilizer 3%, modifier (chlorinated polyethylene 0.5% and acrylate copolymer 0.4%) 0.9%, the first lubricant Weigh 0.1% of stearic acid and 1% of the second lubricant (paraffin wax 0.5% and PE wax 0.5%), and mix all the above materials uniformly, wherein the mixing temperature is 115°C, and then cooled to 25°C;

[0071] c. Extrusion: Use an extrusion molding machine to extrude the mixed raw materials. The temperature of the first barrel is 155°C, the temperature of the second barrel is 160°C, the temperature of the third barrel is 180°C, and the temperature of the fourth barrel is 180°C, the temperature of the fifth barrel...

Embodiment 2

[0075] Prepare the tree pool cover, side panels and bottom beams by the following steps:

[0076] a. Raw material screening: sieve fly ash and waste PVC raw materials through 20-mesh and 200-mesh sieves, the sieve residue is less than 5%, and pack for use;

[0077] b, batching mixing: composition according to weight percentage: fly ash 40%, waste and old PVC 35%, light calcium 20%, stabilizer 1%, modifier (chlorinated polyethylene 1.6% and acrylate copolymer 0.9%) 2.5% , Foaming agent (Azodicarbonamide 0.1% and sodium bicarbonate 0.2%) 0.3%, Foam regulator (K400, Kunshan Maijisen Composite Material Co., Ltd.) 1%, First lubricant stearic acid 0.1% 1. Weigh 0.1% of the second lubricant (paraffin wax), and mix all the above materials evenly, wherein the mixing temperature is 135°C, and then it is cooled to 40°C;

[0078] c. Extrusion: Use an extrusion molding machine to extrude the mixed raw materials. The temperature of the first barrel is 160°C, the temperature of the second b...

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Abstract

The invention relates to an environment-friendly tree pool cover plate, a side plate and a preparation method and application thereof. The tree pool cover plate is prepared from 40-70wt% of coal ash,25-50wt% of recycled polyvinyl chloride, 0-20wt% of light calcium, 1-3%wt of stabilizer, 0.9-2.5wt% of modifier, 0-1wt% of foamer, 0-5wt% of foaming regulator, 0.1-1wt% of first lubricant and 0.1-1wt%of second lubricant. The environment-friendly tree pool cover plate and the side plate are low in raw material cost, simple in preparation process and high in added value and can be recycled, and good economic benefit can be obtained.

Description

technical field [0001] The invention relates to the field of special paving, in particular to tree pool cover plates and side plates. Background technique [0002] Fly ash is a kind of solid waste produced in the production process of coal-fired power plants, and its output accounts for about 5-20% of the total amount of coal burned. The annual discharge of fly ash in my country is about 500 million tons. At present, the amount of fly ash stacked in my country is more than 2 billion tons, and the land occupied by the ash storage yard is about 4×104km 2 , which not only seriously pollutes the environment, but also takes up a lot of land resources. At present, there are technical applications of doping fly ash to prepare lightweight materials, refractory materials, heat insulation materials, building materials, and daily ceramic materials, but the effect of high value-added utilization of fly ash is not obvious. [0003] Polyvinyl chloride (PVC) resin is a thermoplastic high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/00E01C9/00C04B111/20
CPCC04B26/006C04B2111/00017C04B2111/00758C04B2111/20C04B2201/50E01C9/005E01C2201/06C04B18/20C04B18/08C04B18/146C04B24/2682C04B24/085C04B24/36C04B24/2611C04B2103/0068C04B14/28C04B24/129C04B22/10C04B38/02
Inventor 方斌正刘江曹建伟张伟李建占王守泽倪磊张鹏飞刘伟李崇焕李慧
Owner 北京大学包头创新研究院
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