CN112960219A - Dangerous waste sorting and packaging method - Google Patents
Dangerous waste sorting and packaging method Download PDFInfo
- Publication number
- CN112960219A CN112960219A CN202110036209.3A CN202110036209A CN112960219A CN 112960219 A CN112960219 A CN 112960219A CN 202110036209 A CN202110036209 A CN 202110036209A CN 112960219 A CN112960219 A CN 112960219A
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- Prior art keywords
- packaging
- hazardous waste
- regular
- sorting
- hazardous
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Links
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 47
- 239000002699 waste material Substances 0.000 title claims abstract description 30
- 239000002920 hazardous waste Substances 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 239000011343 solid material Substances 0.000 claims abstract description 7
- 238000003556 assay Methods 0.000 claims abstract description 4
- 239000002356 single layer Substances 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229920006262 high density polyethylene film Polymers 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000000265 homogenisation Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/28—Presses specially adapted for particular purposes for forming shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a dangerous waste sorting and packaging method, which comprises the following steps: step 1, a sorting procedure: performing temporary storage according to the corresponding phase state, heat value attribute and storage requirement of the dangerous waste assay result; step 2, a crushing process: crushing large solid materials from the same source into crushed materials with the size of less than 20 multiplied by 20 mm; step 3, a mixing process: mixing the crushed material and the temporarily stored hazardous waste according to a formula meeting the requirement of incineration treatment, and fully mixing the crushed material and the hazardous waste into a mixed material; and 4, extrusion forming: extruding the mixed material into a regular-shaped structural body; step 5, coating and packaging: and (3) carrying out surface coating packaging on the regular-shaped structure to form the solid hazardous waste with the whole surface packaged by the film. The method can realize homogenization, molding and packaging unification of the hazardous wastes, is convenient for temporary storage of the hazardous wastes, is also convenient for combining the modern logistics concept, and realizes intelligent logistics operation.
Description
Technical Field
The invention relates to the field of hazardous waste treatment, in particular to a hazardous waste sorting and packaging method.
Background
With the demand of high-speed economic development in China, the environmental awareness from individuals to the national level is gradually strengthened, and the management, treatment and disposal of hazardous wastes become the key points of environmental protection work in China. Particularly under the call of 'no waste cities', the treatment of dangerous wastes tends to be stricter. The dangerous waste temporary storage is used as an important link for centralized disposal of dangerous waste, is a precondition for realizing standardized operation of dangerous waste, and after the dangerous waste is tested in a factory, classified storage of dangerous waste with different states and properties can be realized, warehousing, warehouse management and warehouse-out standardized management can be realized, and reasonable disposal is carried out on certain or certain dangerous waste according to production needs.
However, in the actual temporary storage link of hazardous waste, because the incoming states of hazardous waste are different, the properties are different, and the packaging forms are different, standardized management cannot be realized in the temporary storage link of hazardous waste, most of the hazardous waste has scattered waste piles, and various packaging forms such as turnover boxes, ton bags, ton buckets and the like are mixed and stacked, which causes great inconvenience for cleaning and checking the temporary storage.
Disclosure of Invention
Based on the problems in the prior art, the invention aims to provide a dangerous waste sorting and packaging method, which can solve the problem that in the existing dangerous waste temporary storage link, due to different incoming material states, different properties and different packaging forms, standardized management cannot be realized, and great inconvenience is caused to temporary storage cleaning inventory.
The purpose of the invention is realized by the following technical scheme:
the embodiment of the invention provides a dangerous waste sorting and packaging method, which comprises the following steps:
step 1, a sorting procedure: performing temporary storage according to the corresponding phase state, heat value attribute and storage requirement of the dangerous waste assay result;
and 4, extrusion forming: extruding the mixed material into a regular-shaped structural body;
According to the technical scheme provided by the invention, the hazardous waste sorting and packaging method provided by the embodiment of the invention has the beneficial effects that:
through the cooperation of the sorting procedure, the crushing procedure, the mixing procedure, the extrusion forming procedure and the coating and packaging procedure which are carried out in sequence, the homogenization, the forming and the packaging unification of the dangerous waste can be realized, the temporary storage of the dangerous waste is convenient, the modern logistics concept is convenient to combine, and the operation of intelligent logistics is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a flow chart of a dangerous waste sorting and packaging method provided by an embodiment of the invention;
FIG. 2 is a schematic view of a regularly-shaped structure packaged by the hazardous waste sorting and packaging method according to an embodiment of the present invention; wherein (a) is a regular-shaped structure body in a cylindrical shape; (b) a regular-shaped structure body in a rectangular parallelepiped shape; (c) a regular shaped structure body in the shape of a regular octahedron;
fig. 3 is a cross-sectional view of a regularly shaped structure of a hazardous waste sorting package according to an embodiment of the present invention;
the parts corresponding to the marks in fig. 3 are: 10-a structure; 20-coating with a film.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the specific contents of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a hazardous waste sorting and packaging method, including:
step 1, a sorting procedure: performing temporary storage according to the corresponding phase state, heat value attribute and storage requirement of the dangerous waste assay result;
and 4, extrusion forming: extruding the mixed material into a regular-shaped structural body;
After step 5 of the above method, the method further comprises: and 6, temporarily storing the coated and packaged solid hazardous wastes in batches, and stacking.
In step 2 of the method, the large solid materials are crushed by shearing crushing through a crusher and a sieving machine.
In the step 3 of the method, the liquid content of the mixed material is 10-30%, the heat value is more than 3000 kilocalories, the total mass fraction of chlorine and sulfur is less than 5%, and the mass fraction of fluorine is less than 0.5%.
In step 4 of the method, the mixed material is extruded into a regular-shaped structure by a forming machine; the extruded regular-shaped structure is any one of a cylinder (a structure shown in fig. 2 (a)), a rectangular parallelepiped (a structure shown in fig. 2 (b)), or a regular octahedral cylinder (a structure shown in fig. 2 (c)). Preferably, the forming machine is 200-500 kg/cm2The mixed material is extruded into a regular-shaped structure under the pressure of (2).
In the method, the size of the regular-shaped structure prepared in the step 4 is 30-50 cm.
In the step 5 of the method, a cold shrink packaging machine is adopted to carry out coating packaging on the whole surface of the regular-shaped structure, and the single-layer thickness of a film used for coating packaging is 0.05-1.5 mm. Preferably, the film is at least one of a low density polyethylene film and a high density polyethylene film.
In step 5 of the above method, solid hazardous waste whose entire surface is wrapped with a single layer film or solid hazardous waste whose entire surface is wrapped with a multilayer film is formed.
According to the method, the sorting process, the crushing process, the mixing process, the extrusion forming process and the coating and packaging process are sequentially carried out to be matched, so that homogenization, forming and packaging unification of hazardous wastes can be realized, temporary storage of the hazardous wastes is facilitated, a modern logistics concept is combined, and intelligent logistics operation is realized.
The embodiments of the present invention are described in further detail below.
The packaging method of the invention can sort and package dangerous wastes, homogenize and package dangerous wastes of different major and minor classes, and mix the dangerous wastes and the packages, and the mixing comprises the following procedures: sorting, crushing, mixing, extrusion forming and coating and packaging; wherein the content of the first and second substances,
step 1) sorting procedure: temporarily storing according to different phase states, different heat value attributes and storage requirements corresponding to the laboratory test results of the hazardous wastes entering the factory;
step 2) a crushing process: shearing and crushing large solid materials from a single source through a crusher and a sieving machine, wherein the size of the obtained crushed materials is less than 20 x 20 mm;
step 3) mixing step: according to the requirement of incineration treatment in the production process, a waste compatible menu is formed, the crushed materials and the temporarily stored hazardous waste are fully mixed in a mixing stirrer to form a mixed material mainly according to the solid-liquid state of the hazardous waste, the heat value, elements such as chlorine, sulfur and fluorine and the like, the liquid content of the mixed material is guaranteed to be 10-30%, the heat value is more than 3000 kilocalories, the total mass fraction of chlorine and sulfur is less than 5%, and the mass fraction of fluorine is less than 0.5%;
step 4), an extrusion forming process: applying a set pressure to the mixed material obtained by mixing, preferably, the set pressure is 200-500 kg/cm2After extrusion, forming a regular-shaped structural body with the size of 30-50 cm, and adjusting the model of a forming machine to form the structural body with various properties such as a short cylinder, a cuboid or a regular octahedral cylinder;
step 5), coating and packaging: the method comprises the steps of coating and packaging the surfaces of regular bodies after extrusion forming (the section structure of packaged solid hazardous waste is shown in figure 3, the interior is a structural body, and the surface is a coated covering film), wherein the coating and packaging machine adopts a cold shrink packaging machine, can stretch and cover the covering film on waste bricks in various shapes, particularly safely packages chemical waste with higher influence on temperature change, the material for coating and packaging mainly comprises low-density polyethylene (LDPE) and high-density polyethylene (HDPE), the thickness of a single-layer film is 0.05-1.5 mm, the thickness of the film can be adjusted according to the property of the waste, and single-layer or multi-layer coating can be realized.
The dangerous waste after being coated and packaged can be temporarily stored in batches and stacked in a stacking mode, the installation of the dangerous waste after being packaged is guaranteed, the space of the temporary storage warehouse can be effectively utilized to the maximum extent, and the real-time management and control can be conveniently carried out by combining intelligent logistics.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for sorting and packaging hazardous wastes, which is characterized by comprising the following steps:
step 1, a sorting procedure: performing temporary storage according to the corresponding phase state, heat value attribute and storage requirement of the dangerous waste assay result;
step 2, a crushing process: crushing large solid materials from the same source into crushed materials with the size of less than 20 multiplied by 20 mm;
step 3, a mixing process: the crushed materials and the temporarily stored hazardous wastes are matched according to a formula meeting the requirement of incineration treatment, and the crushed materials and the temporarily stored hazardous wastes are fully mixed to form a mixed material;
and 4, extrusion forming: extruding the mixed material into a regular-shaped structural body;
step 5, coating and packaging: and (3) carrying out surface coating packaging on the regular-shaped structure to form the solid hazardous waste with the whole surface packaged by the film.
2. The hazardous waste sorting and packaging method according to claim 1, wherein after the step 5, the method further comprises:
and 6, temporarily storing the coated and packaged solid hazardous wastes in batches, and stacking.
3. The hazardous waste sorting and packaging method according to claim 1, wherein in the step 2, the large solid materials are crushed by a crusher and a sieving machine through shearing crushing.
4. The hazardous waste sorting and packaging method according to claim 1, wherein in the step 3, the liquid content of the mixed material is 10-30%, the calorific value is greater than 3000 kcal, the total mass fraction of chlorine and sulfur is less than 5%, and the mass fraction of fluorine is less than 0.5%.
5. The hazardous waste sorting and packaging method according to claim 1, wherein in the step 4, the mixture is extruded into a regular-shaped structure by a forming machine;
the extruded regular-shaped structural body is any one of a cylinder, a cuboid or a regular octahedral cylinder.
6. The hazardous waste sorting and packaging method according to claim 1 or 5, wherein the regular-shaped structure obtained in step 4 has a size of 30-50 cm.
7. The sorting and packaging method for hazardous waste according to any one of claims 1 to 5, wherein in step 5, the regular shaped structure is coated and packaged on the whole surface by using a cold shrink packaging machine, and the single layer thickness of the film for coating and packaging is 0.05-1.5 mm.
8. The hazardous waste sorting and packaging method according to claim 7, wherein the film is at least one of a low density polyethylene film and a high density polyethylene film.
9. The hazardous waste sorting and packaging method according to any one of claims 1 to 5, wherein in the step 5, the solid hazardous waste packaged by the single-layer film or the solid hazardous waste packaged by the multi-layer film is formed.
10. The hazardous waste sorting and packaging method according to any one of claims 1 to 5, wherein in the step 4, 200-500 kg/cm is adopted2The mixed material is extruded into a regular-shaped structure under the pressure of (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110036209.3A CN112960219A (en) | 2021-01-12 | 2021-01-12 | Dangerous waste sorting and packaging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110036209.3A CN112960219A (en) | 2021-01-12 | 2021-01-12 | Dangerous waste sorting and packaging method |
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| Publication Number | Publication Date |
|---|---|
| CN112960219A true CN112960219A (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110036209.3A Pending CN112960219A (en) | 2021-01-12 | 2021-01-12 | Dangerous waste sorting and packaging method |
Country Status (1)
| Country | Link |
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| CN (1) | CN112960219A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255990A (en) * | 2007-03-01 | 2008-09-03 | 刘正华 | Preprocessing method for incineration of industry peril waste |
| KR20130141126A (en) * | 2012-06-15 | 2013-12-26 | 정병태 | A steel scrap withdrawal method from body of scrapped vehicles |
| CN104084414A (en) * | 2014-06-30 | 2014-10-08 | 湖南万容科技股份有限公司 | Recycling method of combustible solid waste |
| CN105666742A (en) * | 2016-04-13 | 2016-06-15 | 新中天环保股份有限公司 | Method for harmlessly treating urban waste polyurethane foam material |
| KR101630701B1 (en) * | 2015-11-27 | 2016-06-15 | 주식회사 포스코건설 | Apparatus for manufacturing solid fuel using waste and method thereof |
| CN106830981A (en) * | 2017-03-09 | 2017-06-13 | 闽南师范大学 | It is a kind of to prepare porous brick technology using the cladding rubbish granulation of clay glass dust |
| CN109774200A (en) * | 2019-01-21 | 2019-05-21 | 安徽锦汇新材料科技有限公司 | A kind of Wood-plastic floor processing technology |
| CN110820397A (en) * | 2019-11-14 | 2020-02-21 | 陈先金 | Production method of dry paper pulp |
| CN111906128A (en) * | 2020-08-28 | 2020-11-10 | 重庆立洋环保科技发展有限公司 | Dangerous waste recycling system |
-
2021
- 2021-01-12 CN CN202110036209.3A patent/CN112960219A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255990A (en) * | 2007-03-01 | 2008-09-03 | 刘正华 | Preprocessing method for incineration of industry peril waste |
| KR20130141126A (en) * | 2012-06-15 | 2013-12-26 | 정병태 | A steel scrap withdrawal method from body of scrapped vehicles |
| CN104084414A (en) * | 2014-06-30 | 2014-10-08 | 湖南万容科技股份有限公司 | Recycling method of combustible solid waste |
| KR101630701B1 (en) * | 2015-11-27 | 2016-06-15 | 주식회사 포스코건설 | Apparatus for manufacturing solid fuel using waste and method thereof |
| CN105666742A (en) * | 2016-04-13 | 2016-06-15 | 新中天环保股份有限公司 | Method for harmlessly treating urban waste polyurethane foam material |
| CN106830981A (en) * | 2017-03-09 | 2017-06-13 | 闽南师范大学 | It is a kind of to prepare porous brick technology using the cladding rubbish granulation of clay glass dust |
| CN109774200A (en) * | 2019-01-21 | 2019-05-21 | 安徽锦汇新材料科技有限公司 | A kind of Wood-plastic floor processing technology |
| CN110820397A (en) * | 2019-11-14 | 2020-02-21 | 陈先金 | Production method of dry paper pulp |
| CN111906128A (en) * | 2020-08-28 | 2020-11-10 | 重庆立洋环保科技发展有限公司 | Dangerous waste recycling system |
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| PB01 | Publication | ||
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Application publication date: 20210615 |