CN104943021A - Separation method of paper-plastic compound bag - Google Patents
Separation method of paper-plastic compound bag Download PDFInfo
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- CN104943021A CN104943021A CN201510295820.2A CN201510295820A CN104943021A CN 104943021 A CN104943021 A CN 104943021A CN 201510295820 A CN201510295820 A CN 201510295820A CN 104943021 A CN104943021 A CN 104943021A
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- paper
- separation method
- plastic
- separation
- plastic stick
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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
- Y02W30/62—Plastics recycling; Rubber recycling
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a separation method of a paper-plastic compound bag. The separation method comprises the following steps that (1) the paper-plastic compound bag is shorn off along two opposite edges thereof to obtain two paper-plastic compound pieces; (2) multiple paper-plastic compound pieces are laminated to perform the paper-plastic separation, and are heated for 10-60 S at a temperature of 100-300 DEG C; and (3) when plastics on the paper-plastic compound pieces are shrunk to deform and are separated from papers, the papers of the paper-plastic compound pieces are pulled out. The separation method can change the waste paper-plastic compound bags to wealth; and the most important is that the separation method does not pollute the environment and facilitates protection of the environment.
Description
Technical field
The present invention relates to paper and plastics compound bag, particularly, relate to a kind of separation method of paper and plastics compound bag.
Background technology
At present, separating waste, worn paper and plastics compound bag generally adopts organic solvent to carry out dissolving to be separated paper delivery monomer, and plastic layer dissolves in organic solvent, like this, is dissolved with the organic solvent pollution environment of plastic layer, affects environmental protection.Need to be dissolved with the organic solvent emission of plastic layer to the position of specifying, but inevitably, the organic solvent being partly dissolved plastic layer also can be discharged into unspecified position, like this, can threaten to the life of people.In addition, the plastic cement on waste and old paper and plastics compound bag is not effectively reclaimed, and have lost certain economic benefit.
Therefore, provide a kind of and be conducive to environmental protection and the separation method of the paper and plastics compound bag that waste and old paper and plastics compound bag can be made again to turn waste into wealth is the problem that the present invention needs solution badly.
Summary of the invention
The object of this invention is to provide a kind of separation method of environmentally friendly paper and plastics compound bag, and this separation method can make waste and old paper and plastics compound bag turn waste into wealth.
To achieve these goals, the invention provides a kind of separation method of paper and plastics compound bag, described separation method comprises:
Step one, paper and plastics compound bag cut off along two of described paper and plastics compound bag relative edges obtain two paper-plastic stick sheets;
Step 2, paper separation is carried out in the superimposed placement of multiple paper-plastic stick sheets, and at the temperature of 100 DEG C-300 DEG C between heat 10S-60S;
Step 3, when being separated with paper, extract the paper of described paper-plastic stick sheet when the plastic cement contraction distortion on paper-plastic stick sheet out.
Preferably, this separation method also comprises step 4: the plastic cement organic solvent by the contraction distortion on described paper-plastic stick sheet and after being separated with paper dissolves.
Preferably, described organic solvent is chloroform organic solvent or ethyl acetate organic solvent.
Preferably, in step 2, superimposed for multiple paper-plastic stick sheet being placed on paper separation equipment is carried out paper separation, and the heating plate of described paper separation equipment has multiple interlayer.
Preferably, the quantity of the multiple described paper-plastic stick sheet of each described interlayer placement is that 10-20 opens.
Preferably, described paper-plastic stick sheet is composited by described paper and described plastic cement, and described paper is wood pulp paper, straw paper or brown paper; Plastic cement is poly-third ethene or polyethylene.
Preferably, the antiskid degree of described brown paper is 30%-50%.
Preferably, described paper separation equipment also comprises temperature sensor and is connected to the temperature controller of described temperature sensor, and described temperature sensor is arranged on the position near described heating plate, and in step 2, described heating-up temperature is set by described temperature controller.
According to technique scheme, this separation method is by cutting off formation two paper-plastic stick sheets by waste and old paper and plastics compound bag, and then the multiple paper-plastic stick sheets after cutting off are arranged to be superimposed together carry out paper separation, visually observe, when the plastic cement contraction distortion on paper-plastic stick sheet and when being separated with paper, extract the paper on paper-plastic stick sheet out, paper and plastic cement can be recycled by this kind of separation method again, and then waste and old paper-plastic stick sheet is turned waste into wealth.The more important thing is, this separation method is conducive to environmental protection, free from environmental pollution.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Below the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the nouns of locality be included in term such as " upper and lower, left and right, inside and outside " only represents the orientation of this term under normal service condition, or being commonly called as of understanding for those skilled in the art, and should not be considered as the restriction to this term.
The invention provides a kind of separation method of paper and plastics compound bag, this separation method comprises:
Step one, paper and plastics compound bag cut off along two of described paper and plastics compound bag relative edges obtain two paper-plastic stick sheets;
Step 2, paper separation is carried out in the superimposed placement of multiple paper-plastic stick sheets, and at the temperature of 100 DEG C-300 DEG C between heat 10S-60S;
Step 3, when being separated with paper, extract the paper of described paper-plastic stick sheet when the plastic cement contraction distortion on paper-plastic stick sheet out.
Separation method provided by the invention, first multiple paper and plastics compound bag is cut off, each paper and plastics compound bag forms two paper-plastic stick sheets, and then multiple paper-plastic stick sheet is superimposed together carries out paper separation, and temperature is set in 100 DEG C-300 DEG C, heat the time (concrete separation temperature and time see embodiment 1, embodiment 2 and embodiment 3) of 10S-60S at this temperature, the paper of paper-plastic stick sheet and plastic cement can be separated as much as possible; When visually observing when the plastic cement contraction distortion on paper-plastic stick sheet and be separated with paper, extract the paper of paper-plastic stick sheet out.Repeat with this, the plastic cement on multiple superimposed paper-plastic stick sheet and paper is all separated comes.
In the present invention, this separation method also comprises step 4, and the plastic cement organic solvent by the contraction distortion on described paper-plastic stick sheet and after being separated with paper dissolves.Usually, directly paper-plastic stick sheet is put and dissolve in organic solvent, inevitably, also part paper can be dissolved in organic solvent, like this, paper and plastic cement are not completely separated in fact in organic solvent, so then cause the plastic cement in organic solvent again not utilized.But, in this kind of separation method, do not contain the composition of paper by according to above-mentioned three steps isolated plastic cement from paper-plastic stick sheet, therefore, plastic cement after being separated is put in organic solvent and dissolved, utilization can be recovered once again, thus make waste and old paper meet bag to turn waste into wealth.The more important thing is, this separation method does not need to discharge the organic solvent after using, and is conducive to environmental protection, free from environmental pollution.
Under preferable case, for further making the plastic cement after being separated again to be utilized, dissolving more thorough, described organic solvent is chloroform organic solvent or ethyl acetate organic solvent.In addition, in the present invention, in step 2, superimposed being placed on paper separation equipment of multiple paper-plastic stick sheet carries out paper separation, and the heating plate of described paper separation equipment has multiple interlayer.Under preferable case, the quantity of the multiple described paper-plastic stick sheet that each described interlayer is placed is that 10-20 opens.Here, form heating plate being provided with multiple interlayer is conducive to being separated of paper and plastic cement in paper-plastic stick sheet.As from the foregoing, paper is separated the time needing probably to need 10S-60S with plastic cement, and like this, multiple paper-plastic stick sheet is placed in multiple interlayer simultaneously, decreases the time detaching wait.That is: when exhausting the paper on an interlayer and meeting the paper of sheet, the paper on the paper-plastic stick sheet on other interlayers is also about to be pulled out.
In the present invention, described paper-plastic stick sheet is composited by described paper and described plastic cement, and described paper is; Plastic cement is.Usually, the security of the paper and plastics compound bag of the paper-plastic stick sheet composition adopting wood pulp paper, straw paper or brown paper and poly-third ethene or polyethylene compound to go out is high, can be used to food service industry, and be conducive to environmental protection, being separated even without being used this separation method, being easily degraded after discarded.In addition, under preferable case, the antiskid degree of described brown paper is 30%-50%.This is that those skilled in the art are to understand, the antiskid degree within the scope of this, and the paper of paper-plastic stick sheet and plastic cement can be easier by compound, is easierly decomposed.
In addition, described paper separation equipment also comprises temperature sensor and is connected to the temperature controller of described temperature sensor, and described temperature sensor is arranged on the position near described heating plate, and in step 2, described heating-up temperature is set by described temperature controller.As from the foregoing, when temperature being set in 100 DEG C-300 DEG C, the paper on paper-plastic stick sheet can be separated as much as possible with plastic cement, and when not in this temperature range, paper is not easily separated, and in addition, when temperature is more than 300 DEG C, paper is easily burnt.Herein, adopt temperature controller control temperature comparatively suitable.
Embodiment 1,
Step one, paper and plastics compound bag cut off along two of described paper and plastics compound bag relative edges obtain two paper-plastic stick sheets;
Step 2, paper separation is carried out in the superimposed placement of multiple paper-plastic stick sheets, and at the temperature of 200 DEG C between heat 30S;
Step 3, when being separated with paper, extract the paper of described paper-plastic stick sheet when the plastic cement contraction distortion on paper-plastic stick sheet out.
Embodiment 2
Step one, paper and plastics compound bag cut off along two of described paper and plastics compound bag relative edges obtain two paper-plastic stick sheets;
Step 2, paper separation is carried out in the superimposed placement of multiple paper-plastic stick sheets, and at the temperature of 100 DEG C between heat 60S;
Step 3, when being separated with paper, extract the paper of described paper-plastic stick sheet when the plastic cement contraction distortion on paper-plastic stick sheet out.
Embodiment 3
Step one, paper and plastics compound bag cut off along two of described paper and plastics compound bag relative edges obtain two paper-plastic stick sheets;
Step 2, paper separation is carried out in the superimposed placement of multiple paper-plastic stick sheets, and at the temperature of 300 DEG C between heat 10S;
Step 3, when being separated with paper, extract the paper of described paper-plastic stick sheet when the plastic cement contraction distortion on paper-plastic stick sheet out.
Comparative example 1
Carry out according to the method for embodiment 1, difference changes heating-up temperature in step 2 into 80 DEG C.
Comparative example 2
Carry out according to the method for embodiment 1, difference changes heating-up temperature in step 2 into 330 DEG C.
Through observing, in above embodiment 1, embodiment 2 and embodiment 3, the paper on paper-plastic stick sheet and plastic cement can be completely separated, and in comparative example 1 and comparative example 2, the paper on paper-plastic stick sheet can only be partly separated with plastic cement; In comparative example 2, the paper on paper-plastic stick sheet and plastic cement can be completely segregated, but paper can be burnt.Therefore, when paper-plastic stick sheet being carried out paper and being separated, temperature is set in 100 DEG C-300 DEG C, the heat time is set in 10S-60S and the paper on paper-plastic stick sheet and plastic cement can be made completely separated, and the paper on paper-plastic stick sheet can not be burnt.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. a separation method for paper and plastics compound bag, is characterized in that, described separation method comprises:
Step one, paper and plastics compound bag cut off along two of described paper and plastics compound bag relative edges obtain two paper-plastic stick sheets;
Step 2, paper separation is carried out in the superimposed placement of multiple paper-plastic stick sheets, and at the temperature of 100 DEG C-300 DEG C between heat 10S-60S;
Step 3, when being separated with paper, extract the paper of described paper-plastic stick sheet when the plastic cement contraction distortion on paper-plastic stick sheet out.
2. separation method according to claim 1, is characterized in that, this separation method also comprises step 4: the plastic cement organic solvent by the contraction distortion on described paper-plastic stick sheet and after being separated with paper dissolves.
3. separation method according to claim 2, is characterized in that, described organic solvent is chloroform organic solvent or ethyl acetate organic solvent.
4. separation method according to claim 1, is characterized in that, in step 2, superimposed for multiple paper-plastic stick sheet being placed on paper separation equipment is carried out paper separation, and the heating plate of described paper separation equipment has multiple interlayer.
5. separation method according to claim 4, is characterized in that, the quantity of the multiple described paper-plastic stick sheet that each described interlayer is placed is that 10-20 opens.
6. separation method according to claim 1, is characterized in that, described paper-plastic stick sheet is composited by described paper and described plastic cement, and described paper is wood pulp paper, straw paper or brown paper; Plastic cement is poly-third ethene or polyethylene.
7. separation method according to claim 6, is characterized in that, the antiskid degree of described brown paper is 30%-50%.
8. separation method according to claim 4, it is characterized in that, described paper separation equipment also comprises temperature sensor and is connected to the temperature controller of described temperature sensor, described temperature sensor is arranged on the position near described heating plate, in step 2, described heating-up temperature is set by described temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295820.2A CN104943021A (en) | 2015-06-01 | 2015-06-01 | Separation method of paper-plastic compound bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295820.2A CN104943021A (en) | 2015-06-01 | 2015-06-01 | Separation method of paper-plastic compound bag |
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| CN104943021A true CN104943021A (en) | 2015-09-30 |
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| CN201510295820.2A Pending CN104943021A (en) | 2015-06-01 | 2015-06-01 | Separation method of paper-plastic compound bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000964A (en) * | 2019-04-22 | 2019-07-12 | 江前达 | A kind of composite plastic paper circulation separated and dissolved equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546297A (en) * | 2003-12-15 | 2004-11-17 | 江敦录 | Process for the separation of paper-plastic composite material |
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- 2015-06-01 CN CN201510295820.2A patent/CN104943021A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546297A (en) * | 2003-12-15 | 2004-11-17 | 江敦录 | Process for the separation of paper-plastic composite material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000964A (en) * | 2019-04-22 | 2019-07-12 | 江前达 | A kind of composite plastic paper circulation separated and dissolved equipment |
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Application publication date: 20150930 |