CN111422447A - Storage method of polypropylene composite material - Google Patents
Storage method of polypropylene composite material Download PDFInfo
- Publication number
- CN111422447A CN111422447A CN202010158199.6A CN202010158199A CN111422447A CN 111422447 A CN111422447 A CN 111422447A CN 202010158199 A CN202010158199 A CN 202010158199A CN 111422447 A CN111422447 A CN 111422447A
- Authority
- CN
- China
- Prior art keywords
- drying
- composite material
- polypropylene composite
- storage method
- packaging
- 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.)
- Pending
Links
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
- B65B63/08—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for heating or cooling articles or materials to facilitate packaging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention belongs to the field of production of polypropylene composite materials, and particularly discloses a storage method of a polypropylene composite material, which comprises drying, packaging, storing and maintaining, wherein the drying comprises primary drying and secondary drying. According to the invention, before packaging, the polypropylene composite material is subjected to double drying treatment, a vibrating screen is combined with an air heater, and the upper surface and the lower surface of the polypropylene composite material are subjected to convection drying, so that the polypropylene composite material particles can be comprehensively dried; and the fluidized bed is used for three-stage drying, so that the drying is thorough, the good drying state of the polypropylene composite material entering the packaging link is favorably kept, and the conditions of mildew and the like in the interior of the polypropylene composite material are avoided. The elevated object placing plate is arranged in the warehouse, so that the polypropylene composite material bag is prevented from being directly contacted with the ground, and the moisture-proof effect is good; meanwhile, a layer of drying agent is scattered on the ground below the object placing plate, so that the polypropylene composite material bag is favorably kept in a good drying environment, and the storage time of the polypropylene composite material bag is prolonged.
Description
Technical Field
The invention relates to the field of production of polypropylene composite materials, in particular to a storage method of a polypropylene composite material.
Background
Polypropylene, PP for short, is a colorless, odorless, nontoxic and semitransparent solid substance. Polypropylene (PP) is a thermoplastic synthetic resin with excellent performance, and is colorless translucent thermoplastic light general-purpose plastic. The polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high-wear-resistance processing property and the like, so that the polypropylene can be rapidly and widely developed and applied in a plurality of fields such as machinery, automobiles, electronic and electric appliances, buildings, textiles, packaging, agriculture, forestry, fishery, food industry and the like since the coming out.
At present, after the polypropylene composite material is produced and processed, the quality of the polypropylene composite material is greatly influenced by storage, and the polypropylene composite material is easily affected by damp and mildewed in the interior, so that the storage time of the polypropylene composite material is short.
Disclosure of Invention
The present invention is directed to a storage method of polypropylene composite material, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a storage method of a polypropylene composite material comprises the following specific steps:
s1: and (3) drying: the method comprises primary drying and secondary drying, and specifically comprises the following steps:
s11: primary drying: spreading the granulated and molded polypropylene composite material on a vibrating screen, and carrying out up-and-down convection drying by using an air heater while vibrating, wherein the drying time of each batch is 15-20 min;
s12: secondary drying: introducing the polypropylene composite material subjected to primary drying into a fluidized bed, and carrying out high-temperature sectional drying in the fluidized bed;
s2: packaging: packaging the dried polypropylene composite material in a dry environment, equivalently packaging the polypropylene composite material into a waterproof packaging bag by using a charging machine, and sealing the waterproof packaging bag;
s3: and (3) storage: transferring the packaged polypropylene composite material bags into a warehouse in a cool environment, erecting a layer of object placing plates with the height of 20-30cm from the ground in the warehouse, sequentially stacking the polypropylene composite material bags on the object placing plates, and simultaneously scattering a layer of drying agent on the ground below the object placing plates;
s4: maintenance: the drying effect of the drying agent is regularly checked, the drying agent is replaced in time, and the drying state in the warehouse is kept.
In a preferred embodiment of the present invention, in step S11, the polypropylene composite material is spread in 2-3 layers, the vibration frequency of the vibrating screen is set to 40-50HZ, and the temperature of the hot air blower is set to 80-100 ℃.
As a preferable embodiment of the present invention, in step S11, the up-down convection drying specifically includes: selecting a vibrating screen with a strip-shaped screen plate structure, arranging hot air outlets which are in up-down convection on the upper surface and the lower surface of the vibrating screen respectively, and drying the tiled polypropylene composite material from the upper surface and the lower surface of the vibrating screen respectively.
As a preferable scheme of the present invention, in step S12, the high-temperature step drying specifically includes: the drying process of the polypropylene composite material on the fluidized bed is divided into three sections, wherein the first two sections are dried by high-temperature air supply, and the last section is cooled by normal-temperature air supply.
As a preferred scheme of the present invention, the temperature and time of the three-stage drying of the high-temperature sectional type drying are sequentially: 110-120 ℃ for 10-15min, 90-100 ℃ for 10-15min, and 25-30 ℃ for 3-5 min.
In a preferred embodiment of the present invention, in step S3, a stainless steel plate is laid on the ground under the shelf, and the drying agent is uniformly spread on the stainless steel plate to a thickness of 4-6 mm.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, before packaging, the polypropylene composite material is subjected to double drying treatment, a vibrating screen is combined with an air heater, and the upper surface and the lower surface of the polypropylene composite material are subjected to convection drying, so that the polypropylene composite material particles can be comprehensively dried; and the fluidized bed is used for three-stage drying, so that the drying is thorough, the good drying state of the polypropylene composite material entering the packaging link is favorably kept, and the conditions of mildew and the like in the interior of the polypropylene composite material are avoided. The elevated object placing plate is arranged in the warehouse, so that the polypropylene composite material bag is prevented from being directly contacted with the ground, and the moisture-proof effect is good; meanwhile, a layer of drying agent is scattered on the ground below the object placing plate, so that the polypropylene composite material bag is favorably kept in a good drying environment, and the storage time of the polypropylene composite material bag is prolonged.
Detailed Description
The invention provides a technical scheme that: a storage method of a polypropylene composite material comprises the following specific steps:
s1: and (3) drying: the method comprises primary drying and secondary drying, and specifically comprises the following steps:
s11: primary drying: spreading the granulated and molded polypropylene composite material on a vibrating screen, and carrying out up-and-down convection drying by using an air heater while vibrating, wherein the drying time of each batch is 15-20 min;
s12: secondary drying: introducing the polypropylene composite material subjected to primary drying into a fluidized bed, and carrying out high-temperature sectional drying in the fluidized bed;
s2: packaging: packaging the dried polypropylene composite material in a dry environment, equivalently packaging the polypropylene composite material into a waterproof packaging bag by using a charging machine, and sealing the waterproof packaging bag;
s3: and (3) storage: transferring the packaged polypropylene composite material bags into a warehouse in a cool environment, erecting a layer of object placing plates with the height of 20-30cm from the ground in the warehouse, sequentially stacking the polypropylene composite material bags on the object placing plates, and simultaneously scattering a layer of drying agent on the ground below the object placing plates;
s4: maintenance: the drying effect of the drying agent is regularly checked, the drying agent is replaced in time, and the drying state in the warehouse is kept.
Further, in step S11, the polypropylene composite material is spread in 2-3 layers, the vibration frequency of the vibrating screen is set to be 40-50HZ, and the temperature of the hot air blower is set to be 80-100 ℃.
Further, in step S11, the up-down convection drying specifically includes: selecting a vibrating screen with a strip-shaped screen plate structure, arranging hot air outlets which are in up-down convection on the upper surface and the lower surface of the vibrating screen respectively, and drying the tiled polypropylene composite material from the upper surface and the lower surface of the vibrating screen respectively.
Further, in step S12, the high-temperature sectional drying specifically includes: the drying process of the polypropylene composite material on the fluidized bed is divided into three sections, wherein the first two sections are dried by high-temperature air supply, and the last section is cooled by normal-temperature air supply.
Further, the temperature and time of the three-stage drying of the high-temperature sectional type drying are as follows in sequence: 110-120 ℃ for 10-15min, 90-100 ℃ for 10-15min, and 25-30 ℃ for 3-5 min.
Further, in step S3, a stainless steel plate is laid on the ground under the object placing plate, and the drying agent is uniformly spread on the stainless steel plate with a thickness of 4-6 mm.
According to the invention, before packaging, the polypropylene composite material is subjected to double drying treatment, a vibrating screen is combined with an air heater, and the upper surface and the lower surface of the polypropylene composite material are subjected to convection drying, so that the polypropylene composite material particles can be comprehensively dried; and the fluidized bed is used for three-stage drying, so that the drying is thorough, the good drying state of the polypropylene composite material entering the packaging link is favorably kept, and the conditions of mildew and the like in the interior of the polypropylene composite material are avoided. The elevated object placing plate is arranged in the warehouse, so that the polypropylene composite material bag is prevented from being directly contacted with the ground, and the moisture-proof effect is good; meanwhile, a layer of drying agent is scattered on the ground below the object placing plate, so that the polypropylene composite material bag is favorably kept in a good drying environment, and the storage time of the polypropylene composite material bag is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A storage method of a polypropylene composite material is characterized by comprising the following specific steps:
s1: and (3) drying: the method comprises primary drying and secondary drying, and specifically comprises the following steps:
s11: primary drying: spreading the granulated and molded polypropylene composite material on a vibrating screen, and carrying out up-and-down convection drying by using an air heater while vibrating, wherein the drying time of each batch is 15-20 min;
s12: secondary drying: introducing the polypropylene composite material subjected to primary drying into a fluidized bed, and carrying out high-temperature sectional drying in the fluidized bed;
s2: packaging: packaging the dried polypropylene composite material in a dry environment, equivalently packaging the polypropylene composite material into a waterproof packaging bag by using a charging machine, and sealing the waterproof packaging bag;
s3: and (3) storage: transferring the packaged polypropylene composite material bags into a warehouse in a cool environment, erecting a layer of object placing plates with the height of 20-30cm from the ground in the warehouse, sequentially stacking the polypropylene composite material bags on the object placing plates, and simultaneously scattering a layer of drying agent on the ground below the object placing plates;
s4: maintenance: the drying effect of the drying agent is regularly checked, the drying agent is replaced in time, and the drying state in the warehouse is kept.
2. The storage method of the polypropylene composite material according to claim 1, wherein: in step S11, the polypropylene composite material is tiled for 2-3 layers, the vibration frequency of the vibrating screen is set to be 40-50HZ, and the temperature of the hot air blower is set to be 80-100 ℃.
3. The storage method of the polypropylene composite material according to claim 1, wherein: in step S11, the up-down convection drying specifically includes: selecting a vibrating screen with a strip-shaped screen plate structure, arranging hot air outlets which are in up-down convection on the upper surface and the lower surface of the vibrating screen respectively, and drying the tiled polypropylene composite material from the upper surface and the lower surface of the vibrating screen respectively.
4. The storage method of the polypropylene composite material according to claim 1, wherein: in step S12, the high-temperature sectional drying specifically includes: the drying process of the polypropylene composite material on the fluidized bed is divided into three sections, wherein the first two sections are dried by high-temperature air supply, and the last section is cooled by normal-temperature air supply.
5. The storage method of the polypropylene composite material according to claim 4, wherein: the temperature and time of the three-stage drying of the high-temperature sectional type drying are as follows in sequence: 110-120 ℃ for 10-15min, 90-100 ℃ for 10-15min, and 25-30 ℃ for 3-5 min.
6. The storage method of the polypropylene composite material according to claim 1, wherein: in step S3, a layer of stainless steel plate is laid on the ground under the object placing plate, and the drying agent is uniformly scattered on the stainless steel plate, wherein the scattering thickness is 4-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158199.6A CN111422447A (en) | 2020-03-09 | 2020-03-09 | Storage method of polypropylene composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158199.6A CN111422447A (en) | 2020-03-09 | 2020-03-09 | Storage method of polypropylene composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111422447A true CN111422447A (en) | 2020-07-17 |
Family
ID=71546245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010158199.6A Pending CN111422447A (en) | 2020-03-09 | 2020-03-09 | Storage method of polypropylene composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111422447A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3929302A1 (en) * | 1989-09-04 | 1991-03-21 | Isimat Siebdruckmaschinenfabri | Automatic multicolour printing dryer - machine raises crates for polyethylene or polypropylene bottles after each printing and passes them through radiation heater |
| CN206478964U (en) * | 2017-02-13 | 2017-09-08 | 江苏谷盛能源有限公司 | PP GRANULES air drier |
| CN108286873A (en) * | 2018-01-22 | 2018-07-17 | 万达集团股份有限公司 | A kind of New Polyacrylamide drying process |
| CN108529015A (en) * | 2018-04-21 | 2018-09-14 | 安徽海纳川塑业科技有限公司 | A kind of storage method of polypropylene composite |
| CN108582568A (en) * | 2018-04-21 | 2018-09-28 | 安徽海纳川塑业科技有限公司 | A kind of drying means of polypropylene composite |
| CN208205661U (en) * | 2018-05-22 | 2018-12-07 | 昆山飞奔塑胶模具有限公司 | A kind of drying device of circulating plastic grain |
| CN209470418U (en) * | 2018-12-29 | 2019-10-08 | 济宁学院 | Grain drying vibrating fluid bed dryer |
-
2020
- 2020-03-09 CN CN202010158199.6A patent/CN111422447A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3929302A1 (en) * | 1989-09-04 | 1991-03-21 | Isimat Siebdruckmaschinenfabri | Automatic multicolour printing dryer - machine raises crates for polyethylene or polypropylene bottles after each printing and passes them through radiation heater |
| CN206478964U (en) * | 2017-02-13 | 2017-09-08 | 江苏谷盛能源有限公司 | PP GRANULES air drier |
| CN108286873A (en) * | 2018-01-22 | 2018-07-17 | 万达集团股份有限公司 | A kind of New Polyacrylamide drying process |
| CN108529015A (en) * | 2018-04-21 | 2018-09-14 | 安徽海纳川塑业科技有限公司 | A kind of storage method of polypropylene composite |
| CN108582568A (en) * | 2018-04-21 | 2018-09-28 | 安徽海纳川塑业科技有限公司 | A kind of drying means of polypropylene composite |
| CN208205661U (en) * | 2018-05-22 | 2018-12-07 | 昆山飞奔塑胶模具有限公司 | A kind of drying device of circulating plastic grain |
| CN209470418U (en) * | 2018-12-29 | 2019-10-08 | 济宁学院 | Grain drying vibrating fluid bed dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105180616B (en) | A kind of continuous efficient grain microwave drying machine and its structural optimization method | |
| CN111422447A (en) | Storage method of polypropylene composite material | |
| CN101255247A (en) | Boiling-free silicane cross-linking polyolefin composition | |
| CN108060614A (en) | A kind of preparation method of moisture-proof glaxin release paper | |
| CN105369645A (en) | Production process of antistatic polypropylene fiber nonwoven fabric | |
| CN109867839A (en) | A kind of antistatic composite polyolefine material pallet and preparation method thereof | |
| CN104861294A (en) | Production process of modified PP (polypropylene) material flow guide cover for van truck | |
| CN104311956A (en) | Moisture-absorbing thin film material for anti-caking package of citric acid | |
| CN108164799A (en) | A kind of organosilane crosslinked polyethylene insulation material of high-temperature resistant grade and preparation method thereof | |
| CN104390429A (en) | Drying device by combining static electric field and dry air | |
| CN109957140A (en) | A kind of method for recycling of the hybrid PET plastic products of environment-friendly type | |
| CN107383620A (en) | A kind of polypropylene fire retardant mastre batch and preparation method thereof | |
| CN107574600A (en) | A kind of manufacture craft on fire retardant man-made lawn | |
| CN103644708A (en) | Method for continuously drying granular materials with heat pump technology | |
| CN104962100B (en) | Method for manufacturing inflaming retarding straw-plastic composite materials through ammonium polyphosphate processed through cold plasma | |
| CN104910397A (en) | Method for preparing product by radiating grafted silane and crosslinking polypropylene | |
| CN105295396B (en) | A kind of preparation method for the plasticizer being applied in Automobile Plastic Rubber accessory | |
| CN212902480U (en) | Steam energy mixed air drying system and steam energy hot pepper dryer applying same | |
| CN108456356B (en) | Antistatic master batch for plastics and preparation method thereof | |
| CN106738187A (en) | Wood particulate/weaving dead meal composite coining product and its manufacture method | |
| CN101962520A (en) | Formaldehyde-free super glue film and manufacturing method thereof | |
| CN107793941A (en) | A kind of preparation method and applications of the low temperature resistant nonwoven fabric base adhesive tape of high temperature resistant | |
| CN207570274U (en) | low-temperature microwave drying production line | |
| CN115157582B (en) | Negative pressure injection molding process for eliminating surface defects of thin-wall plastic parts | |
| CN104212038A (en) | Preparation process of polyethylene cable material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200717 |
|
| RJ01 | Rejection of invention patent application after publication |