CN113306047A - Decomposition preparation method of recycled waste polystyrene foam permeation heat-insulation material - Google Patents
Decomposition preparation method of recycled waste polystyrene foam permeation heat-insulation material Download PDFInfo
- Publication number
- CN113306047A CN113306047A CN202110562668.5A CN202110562668A CN113306047A CN 113306047 A CN113306047 A CN 113306047A CN 202110562668 A CN202110562668 A CN 202110562668A CN 113306047 A CN113306047 A CN 113306047A
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- China
- Prior art keywords
- polystyrene foam
- sorting
- materials
- heat insulation
- foam
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a decomposition preparation method of a recycled waste polystyrene foam permeation heat insulation material, which utilizes crushed polystyrene foam permeation heat insulation material, foam particle spheres and fireproof solidified cement solid or silicon-calcium solid obtained by sorting, crushing and sorting the waste polystyrene foam permeation heat insulation material, improves the resource reutilization rate and can also reduce and avoid the pollution to the environment.
Description
Technical Field
The invention relates to a polystyrene foam permeation heat insulation material, in particular to a decomposition preparation method for recycling waste polystyrene foam permeation heat insulation material.
Background
Currently, the annual demand for polystyrene foam is very large and is increasing at a rate of 10% per year. Polystyrene foam has a small density, a large volume, is inconvenient to transport, is difficult to naturally degrade and biodegrade, and has increasingly highlighted waste disposal problems. Therefore, a decomposition preparation method for recycling the waste polystyrene foam permeation thermal insulation material is researched, and the method has important promotion significance for realizing sustainable economic development.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provides a decomposition preparation method for a recycled waste polystyrene foam permeation thermal insulation material.
In order to overcome the technical problems, the invention adopts the technical scheme that:
sorting, namely manually sorting the collected waste polystyrene foam permeation heat insulation materials, stacking the sorted polystyrene foam permeation heat insulation materials in a centralized manner, and performing harmless cleaning treatment after manually sorting the materials which do not belong to the polystyrene foam permeation heat insulation materials in a classified manner;
step two, crushing, namely manually cleaning the polystyrene foam permeable heat-insulating material sorted in the step one, inputting the cleaned polystyrene foam permeable heat-insulating material into a crusher for crushing, wherein the rotating speed of a crushing shaft of the crusher is 1400-2800 revolutions per minute, and the crushing time is 5-10 minutes to obtain crushed polystyrene foam permeable heat-insulating material;
step three, directly dropping the crushed materials obtained in the step two into a conveyer belt device, conveying the crushed materials into a wind power sorting device for wind power sorting, and sorting foam particle spheres and fireproof solidified cement solids or silicon-calcium solids in the crushed materials according to specific gravity and conveying the foam particle spheres and the fireproof solidified cement solids or silicon-calcium solids into a storage bin;
step three, the foam particle spheres obtained by sorting are sent to a first storage bin to be used as EPS lump material regenerated particle material thermal insulation mortar aggregate and used as main raw materials for EPS extruded sheet production to be regenerated and reused;
step four, conveying the cement solid or the silico-calcium solid obtained by sorting to a second storage bin, and preparing a pulverizer to refine and crush the powdery fine powder with the particle size not less than 700 meshes again, wherein the fine powder is used as an additive fireproof material of the polystyrene foam penetration plate;
compared with the prior art, the invention has the beneficial effects that: the polystyrene foam permeation heat insulation material crushed material, the foam particle ball body and the fireproof and solidified cement solid or the silicon-calcium solid which are obtained after the waste polystyrene foam permeation heat insulation material is regenerated are utilized, the resource reutilization rate is improved, and the environmental pollution can be reduced.
Detailed Description
A decomposition preparation method of a recycled waste polystyrene foam permeation heat insulation material comprises the following steps:
sorting, namely manually sorting the collected waste polystyrene foam permeation heat insulation materials, stacking the sorted polystyrene foam permeation heat insulation materials in a centralized manner, and performing harmless cleaning treatment after manually sorting the materials which do not belong to the polystyrene foam permeation heat insulation materials in a classified manner;
step two, crushing, namely manually cleaning the polystyrene foam permeable heat-insulating material sorted in the step one, inputting the cleaned polystyrene foam permeable heat-insulating material into a crusher for crushing, wherein the rotating speed of a crushing shaft of the crusher is 1400-2800 revolutions per minute, and the crushing time is 5-10 minutes to obtain crushed polystyrene foam permeable heat-insulating material;
step three, directly dropping the crushed materials obtained in the step two into a conveyer belt device, conveying the crushed materials into a wind power sorting device for wind power sorting, and sorting foam particle spheres and fireproof solidified cement solids or silicon-calcium solids in the crushed materials according to specific gravity and conveying the foam particle spheres and the fireproof solidified cement solids or silicon-calcium solids into a storage bin;
the scheme specific gravity classification means that foam particle spheres in crushed materials are light in weight in the conveying process of a conveyor belt device after being crushed by a crusher, the foam particle spheres are classified and sorted by wind power and conveyed to a specified storage bin, and fireproof solidified cement solids or silicon-calcium solids with larger weight are directly conveyed to the specified storage bin along with a conveyor belt.
Step three, the foam particle spheres obtained by sorting are sent to a first storage bin to be used as EPS lump material regenerated particle material thermal insulation mortar aggregate and used as main raw materials for EPS extruded sheet production to be regenerated and reused;
and fourthly, conveying the cement solid or the silico-calcium solid obtained by sorting to a second storage bin, and preparing a pulverizer to refine and crush the powdery fine powder with the granularity not less than 700 meshes again, wherein the fine powder is used as an additive fireproof material of the polystyrene foam penetration plate.
The obtained foam particle spheres can be used as EPS lump material regeneration particles or hot melt block materials. The EPS lump material regenerated particles or hot melt block materials can be used as main raw materials for producing EPS extruded sheets, the PS lump material regenerated particles or hot melt block materials can be added with auxiliary materials such as foaming agents and the like through screw extrusion foaming equipment to produce energy-saving heat-insulating materials named EOS extruded sheets, and at present, the market amount is very wide and can be recycled for infinite times.
The foam particle spheres separated from the waste polystyrene foam permeable heat-insulating material can be added with cement glue and placed in equipment to be uniformly stirred, so that the environment-friendly A2 grade light heat-insulating concrete material which can reach the national standard can be recycled for infinite times.
The cement solid or the silico-calcium solid separated from the waste polystyrene foam permeable heat-insulating material can be used as the additional aggregate of a polystyrene foam permeable plate of the national A-level fire-proof standard, so that the separated cement solid or the silico-calcium solid is fully utilized, and harmless and unlimited waste recycling is realized.
The present invention is not limited to the precise arrangements that have been described above, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (1)
1. A decomposition preparation method for a recycled waste polystyrene foam permeation heat insulation material is characterized by comprising the following steps:
sorting, namely manually sorting the collected waste polystyrene foam permeation heat insulation materials, stacking the sorted polystyrene foam permeation heat insulation materials in a centralized manner, and performing harmless cleaning treatment after manually sorting the materials which do not belong to the polystyrene foam permeation heat insulation materials in a classified manner;
step two, crushing, namely manually cleaning the polystyrene foam permeable heat-insulating material sorted in the step one, inputting the cleaned polystyrene foam permeable heat-insulating material into a crusher for crushing, wherein the rotating speed of a crushing shaft of the crusher is 1400-280 revolutions per minute, and the crushing time is 5-10 minutes to obtain crushed polystyrene foam permeable heat-insulating material;
step three, directly dropping the crushed materials obtained in the step two into a conveyer belt device, conveying the crushed materials into a wind power sorting device for wind power sorting, and sorting foam particle spheres and fireproof solidified cement solids or silicon-calcium solids in the crushed materials according to specific gravity and conveying the foam particle spheres and the fireproof solidified cement solids or silicon-calcium solids into a storage bin;
step three, the foam particle spheres obtained by sorting are sent to a first storage bin to be used as EPS lump material regenerated particle material thermal insulation mortar aggregate and used as main raw materials for EPS extruded sheet production to be regenerated and reused;
and fourthly, conveying the cement solid or the silico-calcium solid obtained by sorting to a second storage bin, and preparing a pulverizer to refine and crush the powdery fine powder with the granularity not less than 700 meshes again, wherein the fine powder is used as an additive fireproof material of the polystyrene foam penetration plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562668.5A CN113306047A (en) | 2021-05-24 | 2021-05-24 | Decomposition preparation method of recycled waste polystyrene foam permeation heat-insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562668.5A CN113306047A (en) | 2021-05-24 | 2021-05-24 | Decomposition preparation method of recycled waste polystyrene foam permeation heat-insulation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113306047A true CN113306047A (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110562668.5A Pending CN113306047A (en) | 2021-05-24 | 2021-05-24 | Decomposition preparation method of recycled waste polystyrene foam permeation heat-insulation material |
Country Status (1)
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|---|---|
| CN (1) | CN113306047A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316460A (en) * | 2001-05-09 | 2001-10-10 | 张凤臣 | Light insulating material prepared from waste foamed polyphenyl material and its preparing process |
| WO2001091983A1 (en) * | 2000-05-18 | 2001-12-06 | Lim, Joong-Yeon | Regeneration method of wasted styrene foam |
| CN1654520A (en) * | 2004-02-13 | 2005-08-17 | 巩发国 | Method for using waste polystyrene foam |
| CN104628417A (en) * | 2015-02-03 | 2015-05-20 | 张戈 | Method for preparing clay brick by using waste polystyrene foams |
| CN104744839A (en) * | 2015-02-07 | 2015-07-01 | 青岛欧克斯新型建材有限公司 | Method for preparing polystyrene extruded sheet from waste plastics |
| CN205818253U (en) * | 2016-07-18 | 2016-12-21 | 青海省化工设计研究院有限公司 | A kind of classification retracting device of thermosetting EPS warming plate waste material |
-
2021
- 2021-05-24 CN CN202110562668.5A patent/CN113306047A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001091983A1 (en) * | 2000-05-18 | 2001-12-06 | Lim, Joong-Yeon | Regeneration method of wasted styrene foam |
| CN1316460A (en) * | 2001-05-09 | 2001-10-10 | 张凤臣 | Light insulating material prepared from waste foamed polyphenyl material and its preparing process |
| CN1654520A (en) * | 2004-02-13 | 2005-08-17 | 巩发国 | Method for using waste polystyrene foam |
| CN104628417A (en) * | 2015-02-03 | 2015-05-20 | 张戈 | Method for preparing clay brick by using waste polystyrene foams |
| CN104744839A (en) * | 2015-02-07 | 2015-07-01 | 青岛欧克斯新型建材有限公司 | Method for preparing polystyrene extruded sheet from waste plastics |
| CN205818253U (en) * | 2016-07-18 | 2016-12-21 | 青海省化工设计研究院有限公司 | A kind of classification retracting device of thermosetting EPS warming plate waste material |
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Application publication date: 20210827 |