CN110789028A - 一种回收橡胶颗粒的多层熔融炉 - Google Patents

一种回收橡胶颗粒的多层熔融炉 Download PDF

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CN110789028A
CN110789028A CN201911050607.XA CN201911050607A CN110789028A CN 110789028 A CN110789028 A CN 110789028A CN 201911050607 A CN201911050607 A CN 201911050607A CN 110789028 A CN110789028 A CN 110789028A
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CN110789028B (zh
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张训龙
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Anhui Province Han Shanxian Jinhua Zinc Oxide Plant
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/04—Stationary flat screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0203—Separating plastics from 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
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0224—Screens, sieves
    • 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

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

本发明公开了一种回收橡胶颗粒的多层熔融炉，包括熔炉本体，熔炉本体底设高温加热板，熔炉本体自下而上设细孔筛网、中孔筛网及大孔筛网，筛网夹层设中温加热棒；高温加热板与细孔筛网之间设溢流挤出管，溢流挤出管正下方设冷却槽；熔炉本体顶设加料斗和加压管，加压管连接泵机及氮气罐。本发明将过滤预热与熔融相结合，将橡胶原料颗粒按照粒径大小，依次进行预热和加热熔融，较大的粒径提供较多次数的中温预热，提高大颗粒胶粒的熔融效率，避免大颗粒胶粒还未熔融就被挤出熔炉本体外。

Description

一种回收橡胶颗粒的多层熔融炉
技术领域
本发明涉及橡胶颗粒回收技术领域，尤其涉及一种回收橡胶颗粒的多层熔融炉。
背景技术
橡胶原料回收是考验一个橡胶生产车间的重要技术指标，故此一般的橡胶加工厂、橡胶助剂（如氧化锌、硫化剂、溶胀剂等）生产车间，甚至是轮胎厂都预备一条废旧橡胶回收生产线，这也是现代绿色环保生产标准的新要求。
现有橡胶回收工艺主要为：分类、去除非橡胶成分—洗涤、去除污泥沙土—粉碎、成为胶粉—熔融成型。其中熔融过程中，由于胶粉粒径不一，加热熔融的时间及温度也不尽相同，给熔融炉的加热造成一定操作困难。如过热，则容易焦化；如温度较低，则达不到熔融产物的要求。
发明内容
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种回收橡胶颗粒的多层熔融炉。
为了实现上述目的，本发明采用了如下技术方案：
一种回收橡胶颗粒的多层熔融炉，包括熔炉本体，熔炉本体的底部铺设有高温加热板，熔炉本体的内壁等距对称自下而上依次设置有细孔筛网、中孔筛网及大孔筛网，细孔筛网、中孔筛网和大孔筛网均为双层网状结构，细孔筛网、中孔筛网和大孔筛网的夹层中分别设有中温加热棒；
高温加热板与细孔筛网之间设有溢流挤出管，溢流挤出管一端伸出熔炉本体外且开口朝下，溢流挤出管底端出口的正下方设置有冷却槽；
熔炉本体的顶部设置有加料斗和加压管，加压管连接有泵机，泵机通过气管连接有氮气罐。
优选地，高温加热板的加热温度为180-230℃。
优选地，中温加热棒的加热温度为150-180℃。
优选地，冷却槽具体是空冷型不锈钢槽。
优选地，细孔筛网、中孔筛网及大孔筛网的筛孔孔径比为1：2：4。
与现有技术相比，本发明的有益效果是：
本发明将橡胶原料颗粒按照粒径大小，依次进行预热和加热，细小粒径的胶粒优先滤下到达高温加热板上进行加热熔融；较大粒径的胶粒滤到细孔筛网上进行一次预热，再滚落到高温加热板上加热熔融；更大粒径的胶粒滤到中孔筛网，进行二次预热，再滚落到高温加热板上加热熔融；最大粒径的胶粒滤到大孔筛网，进行三次预热，再滚落到高温加热板上加热熔融。
从而根据粒径大小，较大的粒径提供较多次数的中温预热，提高大颗粒胶粒的熔融效率，避免大颗粒胶粒还未熔融就被挤出熔炉本体外。
附图说明
图1为本发明提出的一种回收橡胶颗粒的多层熔融炉的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
参照图1，一种回收橡胶颗粒的多层熔融炉，包括熔炉本体1，熔炉本体1的底部铺设有高温加热板2，熔炉本体1的内壁等距对称自下而上依次设置有细孔筛网3、中孔筛网4及大孔筛网5，细孔筛网3、中孔筛网4和大孔筛网5均为双层网状结构，细孔筛网3、中孔筛网4和大孔筛网5的夹层中分别设有中温加热棒6；高温加热板2与细孔筛网3之间设有溢流挤出管7，溢流挤出管7一端伸出熔炉本体1外且开口朝下，溢流挤出管7底端出口的正下方设置有冷却槽8；熔炉本体1的顶部设置有加料斗9和加压管10，加压管10连接有泵机11，泵机11通过气管12连接有氮气罐13。
参照图1，高温加热板2的加热温度为200℃，保证常用橡胶熔融完全。
参照图1，中温加热棒6的加热温度为160℃，为橡胶进行预热。
参照图1，冷却槽8具体是空冷型不锈钢槽。
参照图1，细孔筛网3、中孔筛网4及大孔筛网5的筛孔孔径比为1：2：4，针对不同粒径的胶粒，较大颗粒的胶粒无法过滤，只能从筛网之间的空隙滚落下去，增加加热时间。
本发明的工作过程：本发明将橡胶原料颗粒按照粒径大小，依次进行预热和加热，细小粒径的胶粒优先滤下到达高温加热板2上进行加热熔融；较大粒径的胶粒滤到细孔筛网3上进行一次预热，再滚落到高温加热板2上加热熔融；更大粒径的胶粒滤到中孔筛网4，进行二次预热，再滚落到高温加热板2上加热熔融；最大粒径的胶粒滤到大孔筛网5，进行三次预热，再滚落到高温加热板2上加热熔融。
从而根据粒径大小，较大的粒径提供较多次数的中温预热，提高大颗粒胶粒的熔融效率，避免大颗粒胶粒还未熔融就被挤出熔炉本体1外。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (5)

1.一种回收橡胶颗粒的多层熔融炉，包括熔炉本体（1），其特征在于，所述熔炉本体（1）的底部铺设有高温加热板（2），所述熔炉本体（1）的内壁等距对称自下而上依次设置有细孔筛网（3）、中孔筛网（4）及大孔筛网（5），所述细孔筛网（3）、中孔筛网（4）和大孔筛网（5）均为双层网状结构，所述细孔筛网（3）、中孔筛网（4）和大孔筛网（5）的夹层中分别设有中温加热棒（6）；
所述高温加热板（2）与细孔筛网（3）之间设有溢流挤出管（7），所述溢流挤出管（7）一端伸出熔炉本体（1）外且开口朝下，所述溢流挤出管（7）底端出口的正下方设置有冷却槽（8）；
所述熔炉本体（1）的顶部设置有加料斗（9）和加压管（10），所述加压管（10）连接有泵机（11），所述泵机（11）通过气管（12）连接有氮气罐（13）。
2.根据权利要求1所述的一种回收橡胶颗粒的多层熔融炉，其特征在于，所述高温加热板（2）的加热温度为180-230℃。
3.根据权利要求1所述的一种回收橡胶颗粒的多层熔融炉，其特征在于，所述中温加热棒（6）的加热温度为150-180℃。
4.根据权利要求1所述的一种回收橡胶颗粒的多层熔融炉，其特征在于，所述冷却槽（8）具体是空冷型不锈钢槽。
5.根据权利要求1所述的一种回收橡胶颗粒的多层熔融炉，其特征在于，所述细孔筛网（3）、中孔筛网（4）及大孔筛网（5）的筛孔孔径比为1：2：4。
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CN113580604A (zh) * 2021-07-28 2021-11-02 浙江隆源高分子科技有限公司 一种eva片材生产工艺及设备
CN114624146A (zh) * 2022-02-17 2022-06-14 昆山力兆塑胶有限公司 一种塑料粒子生产用性能检测工艺及装置

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CN206796325U (zh) * 2017-03-30 2017-12-26 浙江华慧塑业有限公司 一种融化装置
CN207789432U (zh) * 2018-01-26 2018-08-31 江苏源友塑业有限公司 一种包装袋原料进料装置
CN209273743U (zh) * 2018-12-03 2019-08-20 浙江希乐工贸有限公司 塑料杯浇口料直接回收入新料打塑件机构

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CN206796325U (zh) * 2017-03-30 2017-12-26 浙江华慧塑业有限公司 一种融化装置
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113580604A (zh) * 2021-07-28 2021-11-02 浙江隆源高分子科技有限公司 一种eva片材生产工艺及设备
CN114624146A (zh) * 2022-02-17 2022-06-14 昆山力兆塑胶有限公司 一种塑料粒子生产用性能检测工艺及装置

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