CN107511947A - A kind of recoverying and utilizing method of polyurethane elastomer waste material - Google Patents
A kind of recoverying and utilizing method of polyurethane elastomer waste material Download PDFInfo
- Publication number
- CN107511947A CN107511947A CN201710695898.2A CN201710695898A CN107511947A CN 107511947 A CN107511947 A CN 107511947A CN 201710695898 A CN201710695898 A CN 201710695898A CN 107511947 A CN107511947 A CN 107511947A
- Authority
- CN
- China
- Prior art keywords
- polyurethane elastomer
- waste material
- elastomer waste
- raw material
- mill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
-
- 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
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- 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)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of recoverying and utilizing method of polyurethane elastomer waste material, the recoverying and utilizing method of the polyurethane elastomer waste material comprises the following steps that：S1：Raw material cleans, S2：Raw material drying processing, S3：Cutting and grinding are handled, S4：Hot melt processing, S5：Mill processing, S6：Vulcanizing treatment.The present invention is effectively sterilized to waste material in advance by the way of to waste material progress soaking disinfection, the germ filth that may be remained on the waste material of separate sources is carried out disinfection, simultaneously after soaking disinfection by the way of high pressure washing by pollutant removal present on polyurethane elastomer waste material, so as to improve the control of impurity in later stage recovery, recovery product quality is improved.
Description
Technical field
The present invention relates to polyurethane elastomer technical field of waste recovery, specially a kind of polyurethane elastomer waste material returns
Receive Application way.
Background technology
Polyurethane elastomer since the beginning of the eighties in last century start from it is military switch to it is dual-use, and based on civilian after,
The kind trade mark of product is continuously increased, and production scale expands day by day, in each department of national economy and the clothing, food, lodging and transportion -- basic necessities of life each side of people
The effect that face is played is increasingly important.
Polyurethane elastomer is a kind in polyurethane synthetic material, because its structure has soft, hard two segments,
MOLECULE DESIGN can be carried out to it and assign the excellent properties such as material high intensity, good toughness, wear-resisting, oil resistant, it both has rubber
High resiliency again have plastics rigidity, be referred to as " abrasive rubber.The use of polyurethane elastomer is relatively broad, but one
Polyurethane elastomer after a little uses needs to be changed, and often just discarded by us, this has resulted in very big waste, if
It is that polyurethane elastomer waste material can effectively be recycled, it will huge economic benefit is brought, while more
Energy-conserving and environment-protective.
The content of the invention
It is an object of the invention to provide a kind of recoverying and utilizing method of polyurethane elastomer waste material, the polyurethane elastomer
The recoverying and utilizing method of waste material comprises the following steps that：
S1：Raw material is cleaned, it would be desirable to which the polyurethane elastomer waste material of processing is collected, and is cleaned after collection, using high pressure
The mode that hydraulic giant rinses, raw material is carried out needing to carry out immersion treatment to raw material before giant rinses, needed in soak
Thimerosal is added, soak time is rinsed well after 3-5 hours, immersion, completes the cleaning of raw material；
S2：Raw material drying processing, the raw material after cleaning is dried, and is dried, dried by the way of air blower ventilation
When temperature between 35-45 DEG C, dry after the completion of collect it is standby；
S3：Cutting and grinding are handled, and dried polyurethane elastomer waste material are carried out into cutting and grinding, in cutting machine and pulverizer
Handle successively, the polyurethane elastomer waste material after the completion of processing is graininess, and the mesh number of polyurethane elastomer waste granules exists
Between 30-50 mesh, polyurethane elastomer waste granules are collected standby；
S4：Hot melt processing, polyurethane elastomer waste granules are added in smelting equipment and heated, temperature control during hot melt
Polyurethane elastomer waste granules hot melt is integrated by system at 120-150 DEG C, is molded into long strip block in a mold, and temperature reduces
Taken out to be stripped after room temperature；
S5：Mill processing, the strip block of material in S4 is added in mill progress mill processing, temperature during mill exists
180-200 DEG C, the mill time is in 15-25 minutes；
S6：Vulcanizing treatment, the material after mill is subjected to vulcanizing treatment, in vulcanizing equipment, temperature is entered between 180-240 DEG C
Row vulcanization, cure time is 10-20 minutes, and completion will concentrate stacking standby after packing after vulcanizing after material taking-up cooling.
Preferably, the thimerosal added in the S1 is 84 thimerosals, and the concentration of thimerosal is 1- in liquid during immersion
3%。
Preferably, the long strip block raw materials size length, width and height heated in the S4 are respectively 10 centimetres, 5 centimetres, 5 centimetres.
Preferably, washing again is needed after being crushed in the S3, the dust of doping is cleaned and removed, improves final product
Quality, avoid impurity excessive.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is by the way of soaking disinfection is carried out to waste material
Waste material is effectively sterilized in advance, the germ filth that may be remained on the waste material of separate sources carried out disinfection, simultaneously
By pollutant removal present on polyurethane elastomer waste material by the way of high pressure washing after soaking disinfection, so as to improve the later stage
The control of impurity in recovery, improve recovery product quality.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of recoverying and utilizing method of polyurethane elastomer waste material, the recoverying and utilizing method of the polyurethane elastomer waste material specifically walk
It is rapid as follows：
S1：Raw material is cleaned, it would be desirable to which the polyurethane elastomer waste material of processing is collected, and is cleaned after collection, using high pressure
The mode that hydraulic giant rinses, raw material is carried out needing to carry out immersion treatment to raw material before giant rinses, needed in soak
Thimerosal is added, soak time was rinsed well at 3 hours after immersion, completed the cleaning of raw material；
S2：Raw material drying processing, the raw material after cleaning is dried, and is dried, dried by the way of air blower ventilation
When temperature at 35 DEG C, dry after the completion of collect it is standby；
S3：Cutting and grinding are handled, and dried polyurethane elastomer waste material are carried out into cutting and grinding, in cutting machine and pulverizer
Handle successively, the polyurethane elastomer waste material after the completion of processing is graininess, and the mesh number of polyurethane elastomer waste granules exists
30 mesh, polyurethane elastomer waste granules are collected standby；
S4：Hot melt processing, polyurethane elastomer waste granules are added in smelting equipment and heated, temperature control during hot melt
Polyurethane elastomer waste granules hot melt is integrated at 120 DEG C, is molded into long strip block in a mold, temperature is reduced to room by system
It is stripped and takes out after temperature；
S5：Mill processing, the strip block of material in S4 is added in mill progress mill processing, temperature during mill exists
180 DEG C, the mill time was at 15 minutes；
S6：Vulcanizing treatment, the material after mill is subjected to vulcanizing treatment, in vulcanizing equipment, temperature carries out sulphur between 180 DEG C
Change, cure time is 10 minutes, and completion will concentrate stacking standby after packing after vulcanizing after material taking-up cooling.
The thimerosal added in the S1 is 84 thimerosals, and the concentration of thimerosal is 1% in liquid during immersion.The S4
The long strip block raw materials size length, width and height of middle hot melt are respectively 10 centimetres, 5 centimetres, 5 centimetres.Needed again after being crushed in the S3
Washing, the dust of doping is cleaned and removed, the quality of final product is improved, avoids impurity excessive.
Embodiment 2
A kind of recoverying and utilizing method of polyurethane elastomer waste material, the recoverying and utilizing method of the polyurethane elastomer waste material specifically walk
It is rapid as follows：
S1：Raw material is cleaned, it would be desirable to which the polyurethane elastomer waste material of processing is collected, and is cleaned after collection, using high pressure
The mode that hydraulic giant rinses, raw material is carried out needing to carry out immersion treatment to raw material before giant rinses, needed in soak
Thimerosal is added, soak time was rinsed well at 4 hours after immersion, completed the cleaning of raw material；
S2：Raw material drying processing, the raw material after cleaning is dried, and is dried, dried by the way of air blower ventilation
When temperature at 40 DEG C, dry after the completion of collect it is standby；
S3：Cutting and grinding are handled, and dried polyurethane elastomer waste material are carried out into cutting and grinding, in cutting machine and pulverizer
Handle successively, the polyurethane elastomer waste material after the completion of processing is graininess, and the mesh number of polyurethane elastomer waste granules exists
40 mesh, polyurethane elastomer waste granules are collected standby；
S4：Hot melt processing, polyurethane elastomer waste granules are added in smelting equipment and heated, temperature control during hot melt
Polyurethane elastomer waste granules hot melt is integrated at 130 DEG C, is molded into long strip block in a mold, temperature is reduced to room by system
It is stripped and takes out after temperature；
S5：Mill processing, the strip block of material in S4 is added in mill progress mill processing, temperature during mill exists
190 DEG C, the mill time was at 20 minutes；
S6：Vulcanizing treatment, the material after mill is subjected to vulcanizing treatment, in vulcanizing equipment, temperature carries out sulphur between 220 DEG C
Change, cure time is 15 minutes, and completion will concentrate stacking standby after packing after vulcanizing after material taking-up cooling.
The thimerosal added in the S1 is 84 thimerosals, and the concentration of thimerosal is 2% in liquid during immersion.The S4
The long strip block raw materials size length, width and height of middle hot melt are respectively 10 centimetres, 5 centimetres, 5 centimetres.Needed again after being crushed in the S3
Washing, the dust of doping is cleaned and removed, the quality of final product is improved, avoids impurity excessive.
Embodiment 3
A kind of recoverying and utilizing method of polyurethane elastomer waste material, the recoverying and utilizing method of the polyurethane elastomer waste material specifically walk
It is rapid as follows：
S1：Raw material is cleaned, it would be desirable to which the polyurethane elastomer waste material of processing is collected, and is cleaned after collection, using high pressure
The mode that hydraulic giant rinses, raw material is carried out needing to carry out immersion treatment to raw material before giant rinses, needed in soak
Thimerosal is added, soak time was rinsed well at 5 hours after immersion, completed the cleaning of raw material；
S2：Raw material drying processing, the raw material after cleaning is dried, and is dried, dried by the way of air blower ventilation
When temperature at 45 DEG C, dry after the completion of collect it is standby；
S3：Cutting and grinding are handled, and dried polyurethane elastomer waste material are carried out into cutting and grinding, in cutting machine and pulverizer
Handle successively, the polyurethane elastomer waste material after the completion of processing is graininess, and the mesh number of polyurethane elastomer waste granules exists
50 mesh, polyurethane elastomer waste granules are collected standby；
S4：Hot melt processing, polyurethane elastomer waste granules are added in smelting equipment and heated, temperature control during hot melt
Polyurethane elastomer waste granules hot melt is integrated at 120 DEG C, is molded into long strip block in a mold, temperature is reduced to room by system
It is stripped and takes out after temperature；
S5：Mill processing, the strip block of material in S4 is added in mill progress mill processing, temperature during mill exists
180 DEG C, the mill time was at 15 minutes；
S6：Vulcanizing treatment, the material after mill is subjected to vulcanizing treatment, in vulcanizing equipment, temperature carries out sulphur between 180 DEG C
Change, cure time is 10 minutes, and completion will concentrate stacking standby after packing after vulcanizing after material taking-up cooling.
The thimerosal added in the S1 is 84 thimerosals, and the concentration of thimerosal is 1% in liquid during immersion.The S4
The long strip block raw materials size length, width and height of middle hot melt are respectively 10 centimetres, 5 centimetres, 5 centimetres.Needed again after being crushed in the S3
Washing, the dust of doping is cleaned and removed, the quality of final product is improved, avoids impurity excessive.
The present invention to waste material using carrying out in advance effectively sterilizing waste material by the way of soaking disinfection, by separate sources
Waste material on may residual germ filth carry out disinfection, while after soaking disinfection by the way of high pressure washing by polyurethane
Pollutant removal present on elastomer waste material, so as to improve the control of impurity in later stage recovery, improve recovery product quality.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (4)
- A kind of 1. recoverying and utilizing method of polyurethane elastomer waste material, it is characterised in that：The recovery of the polyurethane elastomer waste material Application way comprises the following steps that：S1：Raw material is cleaned, it would be desirable to which the polyurethane elastomer waste material of processing is collected, and is cleaned after collection, using high pressure The mode that hydraulic giant rinses, raw material is carried out needing to carry out immersion treatment to raw material before giant rinses, needed in soak Thimerosal is added, soak time is rinsed well after 3-5 hours, immersion, completes the cleaning of raw material；S2：Raw material drying processing, the raw material after cleaning is dried, and is dried, dried by the way of air blower ventilation When temperature between 35-45 DEG C, dry after the completion of collect it is standby；S3：Cutting and grinding are handled, and dried polyurethane elastomer waste material are carried out into cutting and grinding, in cutting machine and pulverizer Handle successively, the polyurethane elastomer waste material after the completion of processing is graininess, and the mesh number of polyurethane elastomer waste granules exists Between 30-50 mesh, polyurethane elastomer waste granules are collected standby；S4：Hot melt processing, polyurethane elastomer waste granules are added in smelting equipment and heated, temperature control during hot melt Polyurethane elastomer waste granules hot melt is integrated by system at 120-150 DEG C, is molded into long strip block in a mold, and temperature reduces Taken out to be stripped after room temperature；S5：Mill processing, the strip block of material in S4 is added in mill progress mill processing, temperature during mill exists 180-200 DEG C, the mill time is in 15-25 minutes；S6：Vulcanizing treatment, the material after mill is subjected to vulcanizing treatment, in vulcanizing equipment, temperature is entered between 180-240 DEG C Row vulcanization, cure time is 10-20 minutes, and completion will concentrate stacking standby after packing after vulcanizing after material taking-up cooling.
- A kind of 2. recoverying and utilizing method of polyurethane elastomer waste material according to claim 1, it is characterised in that：The S1 The thimerosal of middle addition is 84 thimerosals, and the concentration of thimerosal is 1-3% in liquid during immersion.
- A kind of 3. recoverying and utilizing method of polyurethane elastomer waste material according to claim 1, it is characterised in that：The S4 The long strip block raw materials size length, width and height of middle hot melt are respectively 10 centimetres, 5 centimetres, 5 centimetres.
- A kind of 4. recoverying and utilizing method of polyurethane elastomer waste material according to claim 1, it is characterised in that：The S3 Washing again is needed after middle crushing, the dust of doping is cleaned and removed, the quality of final product is improved, avoids impurity excessive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710695898.2A CN107511947A (en) | 2017-08-15 | 2017-08-15 | A kind of recoverying and utilizing method of polyurethane elastomer waste material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710695898.2A CN107511947A (en) | 2017-08-15 | 2017-08-15 | A kind of recoverying and utilizing method of polyurethane elastomer waste material |
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| CN107511947A true CN107511947A (en) | 2017-12-26 |
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| CN201710695898.2A Pending CN107511947A (en) | 2017-08-15 | 2017-08-15 | A kind of recoverying and utilizing method of polyurethane elastomer waste material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262886A (en) * | 2018-01-23 | 2018-07-10 | 滁州英诺信电器有限公司 | Acrylic carves clast treatment process |
| CN115722519A (en) * | 2022-10-25 | 2023-03-03 | 文贤慧 | Medical science inspection sample waste disposal system |
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| CN101376718A (en) * | 2008-08-13 | 2009-03-04 | 刘建平 | Method for recycling waste polyurethane |
| CN101597407A (en) * | 2009-06-30 | 2009-12-09 | 华南理工大学 | The preparation method of waste rubber powder and thermoplastic sulfurized rubber intermingling material |
| CN101987484A (en) * | 2010-08-09 | 2011-03-23 | 无锡吉兴汽车声学部件科技有限公司 | Recycling process of polyurethane composite automotive headliner scrap material |
| CN105017581A (en) * | 2015-08-19 | 2015-11-04 | 常州工程职业技术学院 | Method for preparing modified waste rigid polyurethane foaming plastic active micro-powder reinforcing rubber material |
| CN106426636A (en) * | 2016-08-11 | 2017-02-22 | 桂林市春晓环保科技有限公司 | Recovery process of waste cross-linked polyurethane |
-
2017
- 2017-08-15 CN CN201710695898.2A patent/CN107511947A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041725A (en) * | 2006-03-24 | 2007-09-26 | 陈书怡 | Reproduction new method for waste elastomer and plastic |
| CN101376718A (en) * | 2008-08-13 | 2009-03-04 | 刘建平 | Method for recycling waste polyurethane |
| CN101597407A (en) * | 2009-06-30 | 2009-12-09 | 华南理工大学 | The preparation method of waste rubber powder and thermoplastic sulfurized rubber intermingling material |
| CN101987484A (en) * | 2010-08-09 | 2011-03-23 | 无锡吉兴汽车声学部件科技有限公司 | Recycling process of polyurethane composite automotive headliner scrap material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262886A (en) * | 2018-01-23 | 2018-07-10 | 滁州英诺信电器有限公司 | Acrylic carves clast treatment process |
| CN115722519A (en) * | 2022-10-25 | 2023-03-03 | 文贤慧 | Medical science inspection sample waste disposal system |
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Application publication date: 20171226 |