CN111438837A - 一种用于废旧eps冷压料再生造粒的方法及控制*** - Google Patents
一种用于废旧eps冷压料再生造粒的方法及控制*** Download PDFInfo
- Publication number
- CN111438837A CN111438837A CN202010398924.7A CN202010398924A CN111438837A CN 111438837 A CN111438837 A CN 111438837A CN 202010398924 A CN202010398924 A CN 202010398924A CN 111438837 A CN111438837 A CN 111438837A
- Authority
- CN
- China
- Prior art keywords
- filter
- materials
- waste eps
- cold pressing
- melt
- 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
- 239000000463 material Substances 0.000 title claims abstract description 112
- 239000002699 waste material Substances 0.000 title claims abstract description 58
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 9
- 238000003825 pressing Methods 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000000155 melt Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000005469 granulation Methods 0.000 claims description 26
- 230000003179 granulation Effects 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 22
- 239000012535 impurity Substances 0.000 claims description 20
- 230000008929 regeneration Effects 0.000 claims description 19
- 238000011069 regeneration method Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 16
- 238000004064 recycling Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 150000002739 metals Chemical class 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 239000004088 foaming agent Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 4
- 238000011001 backwashing Methods 0.000 claims description 4
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 4
- -1 iron Chemical class 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000011045 prefiltration Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 description 16
- 229920003023 plastic Polymers 0.000 description 16
- 239000002245 particle Substances 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229920005669 high impact polystyrene Polymers 0.000 description 1
- 239000004797 high-impact polystyrene Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- 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
- B29B17/02—Separating plastics from other materials
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/267—Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/655—Screws with two or more threads having three or more threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B2013/005—Degassing undesirable residual components, e.g. gases, unreacted monomers, from material to be moulded
-
- 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
- B29B2017/0268—Separation of metals
- B29B2017/0272—Magnetic separation
-
- 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
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/044—Knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- 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)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
一种用于废旧EPS冷压料再生造粒的方法,包括了废旧EPS冷压料的粉碎、输送、剔除磁性金属杂质、均化混合、剔除非磁性金属杂质、在转盘式喂料机内进行混合、余热、增密压实和干燥,以及熔融、混炼、过滤杂质、真空排气、切粒成型、脱水干燥的加工过程。一种用于废旧EPS冷压料再生造粒的控制***,由输送皮带Ⅰ、粉碎机、输送皮带Ⅱ、均化料仓、金属分离器、螺旋输送机、转盘式喂料机、单螺杆挤出机、过滤器Ⅰ、过滤器Ⅱ、真空排气装置、切粒机、振动筛、成品料仓和PLC控制器组成。
Description
技术领域
本发明涉及一种用于废旧塑料再生造粒的方法及控制***,具体涉及一种用于废旧EPS冷压料再生造粒的方法及控制***。
背景技术
自人类发明塑料以来,全球已经生产了83亿吨塑料制品,这些制品中有63亿吨使用后被废弃成为了废旧塑料,其中只有5.7亿吨废旧塑料被回收再利用,剩余50多亿吨废旧塑料被抛弃在全球的各个角落。目前全球每年产生废旧EPS冷压料EPS塑料约580万吨,其中中国每年产生约180万吨,除少数发达国家以外,大多数国家的废旧EPS泡沫塑料并没有得到有效的回收和利用,造成了严重的资源浪费和环境污染。
将废旧EPS塑料收集后,进行优质再生和改性,开发清洁高效的梯级利用技术和高附加值产品是国内外废旧塑料资源化技术的研究热点。但是废旧EPS塑料来源广泛,具有以下特性:①、料性不稳定,含有非EPS树脂杂质;②、含有各种金属和非金属杂质;③、含有发泡剂或阻燃剂等各种残余助剂;④、含水量高;⑤、形状不规则,密度波动大;⑥、经历多次热历程后易降解。从而导致了单螺杆挤出机再生造粒时的挤出波动大、粒子杂质高、水分超标,而且使得生产效率低、耗能高、原料损耗大、设备故障率高。
发明内容
为了解决上述技术问题,本发明提供一种用于废旧EPS冷压料再生造粒的方法及控制***。
本发明解决其技术问题所采用的技术方案是:一种用于废旧EPS冷压料再生造粒的方法,输送皮带Ⅰ将大块的废旧EPS冷压料输送到粉碎机内粉碎成片状,粉碎后的物料掉落在输送皮带Ⅱ上并朝前输送;输送皮带Ⅱ上的永磁滚筒将所述物料中的铁、锰钢、钴镍合金等磁性金属剔除后,物料进入到均化料仓内进行分散混合;混合后的物料从均化料仓的排料螺杆出来时经过金属分离器,剔除物料中含有的不锈钢、铜、铝等其余非磁性金属;物料随后进入到螺旋输送机中,经螺旋输送机送入到转盘式喂料机的腔体内,在旋转刀盘的高速旋转下物料被充分混合、预热、增密压实和干燥,并且呈颗粒状;所述的颗粒状物料被旋转刀盘甩入到单螺杆挤出机内,经过单螺杆挤出机的熔融、混炼、排气处理后,物料呈熔体状;所述熔体经过滤器Ⅰ进行预过滤,熔体中大于500~800μm的纸屑、木屑、铝箔等大杂质被阻挡在过滤网Ⅰ的过滤网前,每12~24h将所述杂质清除;预过滤后的熔体再经过滤器Ⅱ进行精密过滤,熔体中尺寸在210~250μm至500~800μm间的细沙、非PS树脂等杂质被阻隔在过滤器Ⅱ的过滤网前,并连续不断地排出过滤器Ⅱ;过滤后的熔体经过真空排气装置,在抽真空的作用下排除物料中含有的残留发泡剂和小分子挥发物;排气后的熔体从单螺杆挤出机挤出成型,由切粒机切削成粒状,再经过振动筛脱水干燥后进入成品料仓缓存。
所述的废旧EPS冷压料外形尺寸不超过500×500×1200mm,含水量不超过15%。
所述的冷压料粉碎后呈片状,外形尺寸为10~25mm,堆积比重为0.15~0.20kg/dm3。
所述的物料在均化料仓内进行连续混合的时间为2~3h。
所述的转盘式喂料机的旋转刀盘转速为200~400rpm,喂料机腔体内的物料温度为50~85℃,料位高度为20~60mm。
所述的喂料机腔体内的物料成颗粒状,外形尺寸为2~5mm,堆积比重为0.3~0.4kg/dm3,含水量为0.5~3%。
所述的喂料机腔体内的物料温度超过85℃时,转盘式喂料机上装有的喷水阀打开朝喂料机腔体内喷水冷却。
所述的单螺杆挤出机的转速为90~110rpm,单螺杆挤出机筒体的加热温度设置为190~220℃。
所述的过滤器Ⅰ和过滤器Ⅱ的加热温度设置为200~210℃,过滤器Ⅰ前的熔体压力为8~11MPa,过滤器Ⅰ与过滤器Ⅱ之间的熔体压力为6~8MPa,过滤器Ⅱ后端的熔体压力为4~6MPa。
所述熔体先经过过滤器Ⅰ和过滤器Ⅱ过滤掉杂质后,再进行抽真空排气,真空排气装置的真空度为-0.5~-0.8MPa。
所述的一种用于废旧EPS冷压料再生造粒的控制***,由输送皮带Ⅰ、粉碎机、输送皮带Ⅱ、均化料仓、金属分离器、螺旋输送机、转盘式喂料机、单螺杆挤出机、过滤器Ⅰ、过滤器Ⅱ、真空排气装置、切粒机、振动筛、成品料仓和PLC控制器组成,其特征在于:输送皮带Ⅰ和粉碎机的投料口相连,输送皮带Ⅱ的进料端位于粉碎机的出料口下部,输送皮带Ⅱ的下料口与均化料仓的强制喂料螺杆相连,均化料仓的排料螺杆与金属分离器相连,金属分离器与螺旋输送机的进料口相连,螺旋输送机的排料口与转盘式喂料机的腔体相连,转盘式喂料机与单螺杆挤出机的喂料段切向相连,单螺杆挤出机上依次装有过滤器Ⅰ、过滤器Ⅱ和真空排气装置,单螺杆挤出机的后端装有切粒机,切粒机后装有振动筛,振动筛与成品料仓相连,以上设备通过PLC控制器进行集中操作控制。
所述的粉碎机为转轴呈开放式的重型粉碎机。
所述的输送皮带Ⅱ的下料口斜上方的滚筒为永磁滚筒,在下料口斜下方处装有排渣口。
所述的均化料仓由强制喂料螺杆、提升螺杆和排料螺杆组成。
所述的金属分离器为管道式电磁感应金属分离器。
所述的转盘式喂料机由喂料机腔体、旋转刀盘、阻尼定刀、料位传感器、温度传感器和喷水阀组成,旋转刀盘由三组或多组构成呈螺旋状分布,阻尼定刀安装在喂料机腔体上呈“√”形,料位传感器安装在喂料机腔体的顶部,温度传感器安装在喂料机腔体下端接近旋转刀盘处,喷水阀安装在喂料机腔体的上端,温度传感器通过检测喂料机腔体内物料的温度来对喷水阀的开启和关闭进行控制。
所述的单螺杆挤出机的螺杆长径比为38,由喂料段、压缩段、过滤段、塑化段、真空段和挤出段依次组成,喂料段为等距等深螺纹结构,压缩段为等距不等深螺纹且螺槽深度由深变浅,过滤段由开槽螺纹和反向螺纹组成,塑化段由等距等深螺纹和屏障型螺纹组成,真空段由等距不等深螺纹组成且螺槽深度由深变浅,挤出段由等距等深螺纹组成。
所述的过滤器Ⅰ为双柱塞圆柱面反冲洗过滤器,过滤工作面为双柱塞圆柱面,过滤面积大于1800cm2;过滤器Ⅱ为连续式全自动旋转过滤器,过滤工作面为圆盘且可连续清洁表面,过滤面积大于1500cm2,;在过滤器Ⅰ前端、过滤器Ⅰ和过滤器Ⅱ之间、过滤器Ⅱ后端分别装有压力传感器。
所述的真空排气装置位于过滤器Ⅱ和切粒机之间,具有二个真空排气口。
所述的切粒机为水下拉条切粒或水环切粒。
本发明的有益效果是:本发明具有工艺简单、生产效率高,PS再生粒子性能得到较好的保持的特点。废旧EPS冷压料再生造粒的产量是常规方法的三倍以上。
在粉碎机前后采用输送皮带上料,能适应不同形状和尺寸的废旧EPS冷压料物料,送料平稳,不容易出现卡料。而且在输送皮带Ⅱ的排料口采用永磁滚筒,可以将粉碎料中含有的铁、锰钢、钴镍合金等磁性金属剔除掉,避免硬质金属进入到后续设备中造成破坏或磨损。
重型粉碎机的腔体内转轴呈开放式,具有剪切力大,低能耗且剪切颗粒均匀的优点。
废旧EPS冷压料来自于全球几十个国家和地区,有的来源于电脑、电视机等电器类的包装盒;有的来源于盛放水果、蔬菜或海鲜的泡沫盒,有的来源于建筑行业的保温板;有的含有阻燃剂,有的含有残留发泡剂,有的含有抗老化剂等;原料性能的不稳定,进一步加大了单螺杆的挤出波动。采用均化料仓,不仅起到粉碎料缓存的作用,而且可以将粉碎后的物料进行混合均化,减少同一批次物料性能的差异。粉碎后的物料流动性差,在均化料仓的喂料口设置强制喂料螺杆,在下料口设置强制排料螺杆,避免物料架桥而导致单螺杆挤出机缺料。
在均化料仓的下料口安装金属分离器,利用电磁感应的原理将含有的不锈钢、铜、铝等其余非磁性金属剔除掉。
废旧EPS冷压料粉碎后物料中剩余水分含量高、密度轻且浮动过大、送料不均匀,导致再生造粒产量减小,成品粒子质量降低,增加设备磨损,并最终降低再生造粒的生产效率。本发明利用离心力和机械摩擦生热的原理,通过机械方式,将废旧EPS冷压料粉碎中的剩余水分除去,同时进行消泡处理达到增密干燥的效果。集物料混合、预热、增密压实、干燥和喂料功能于一体。经转盘式喂料机处理后的物料再经单螺杆挤出机造粒,生产效率可以提高三倍以上。
废旧EPS冷压料中残留了少量的发泡剂如丙烷、丁烷、戊烷等,且经历多次热历程后易降解。本发明对单螺杆挤出机的螺杆进行了分段式设计,喂料段、压缩段、过滤段、塑化段和挤出段的结构根据各区段的功能进行优化,有效解决了EPS泡沫在再生造粒过程中残留发泡剂消除不充分、物料过度降解的问题。
废旧EPS冷压料中往往含有大量的纸屑、木屑、铝箔、沙石等细小杂质,使用常规过滤器会在再生造粒的过程中过滤网换网间隔时间短、操作频繁、过滤效果不理想,从而进一步导致其再生造粒的生产效率低、聚苯乙烯再生粒子的含杂质量多、应用范围局限等不利局面。本发明采用二级过滤,双柱塞圆柱面反冲洗过滤器具有过滤面积大的特点,使用500~800μm的过滤网进行粗过滤,将物料中的纸屑、木屑、铝箔等大杂质过滤掉,可以12小时反冲洗一次过滤网。连续式全自动旋转过滤器,在再生塑料的杂质含量5-10%的情况下,不仅可实现不停机连续过滤,减少了停机时间,确保了单螺杆主机的稳定运行;而且使单螺杆挤出机出料模头处的压力降低至3-5MPa,减少了出料口压力的波动,使得挤出更加平稳;还大幅度减少了物料的损耗,因杂质过滤而损耗的物料从5%降低到了1%。
采用水环切粒或水下拉条切粒机,与常规的干式拉条切粒机相比,具有产量高、省人工、断条自动接上不产生废料、切粒规则、节约空间的优势。
本发明具有较广泛的适应性,不仅适应于废旧EPS冷压料,也适应于HIPS、ABS、PP、PE、PC等废旧塑料的再生造粒,又能旋转式喂料机上在增加侧喂料的情况下改性,进行优质再生和高效应用,进一步提高再生粒子的性能和附加值。在当前塑料产品复合化、多样化的情况下,本发明可为废旧塑料循环再利用提供一条解决合理的经济规模与灵活的设备配置之间矛盾的途径。
附图说明
图1是本发明的控制***的示意图。
图2 是本发明的控制***的局部放大图。
图3 是本发明的转盘式喂料机的剖视图。
图4 是本发明的转盘式喂料机的旋转刀盘的俯视图。
图5 是本发明的单螺杆挤出机的螺杆结构示意图。
具体实施方式
通过下面给出的本发明的具体实例可以进一步清楚理解本发明,但下属实例并不是对本发明的限定。
实例1:参见图1、图2、图3、图4和图5,一种用于废旧EPS冷压料再生造粒的方法,输送皮带Ⅰ(1)将大块的废旧EPS冷压料输送到粉碎机(2)内粉碎成片状,粉碎后的物料掉落在输送皮带Ⅱ(3)上并朝前输送;输送皮带Ⅱ(3)上的永磁滚筒(32)将所述物料中的铁、锰钢、钴镍合金等磁性金属剔除后,物料进入到均化料仓(4)内进行分散混合;混合后的物料从均化料仓(4)的排料螺杆(43)出来时经过金属分离器(5),剔除物料中含有的不锈钢、铜、铝等其余非磁性金属;物料随后进入到螺旋输送机(6)中,经螺旋输送机(6)送入到转盘式喂料机(7)的喂料机腔体(71)内,在旋转刀盘(72)的高速旋转下物料被充分混合、预热、增密压实和干燥,并且呈颗粒状;所述的颗粒状物料被旋转刀盘(72)甩入到单螺杆挤出机(8)内,经过单螺杆挤出机(8)的熔融、混炼、排气处理后,物料呈熔体状;所述熔体经过滤器Ⅰ(9)进行预过滤,熔体中大于500~800μm的纸屑、木屑、铝箔等大杂质被阻挡在过滤网Ⅰ(9)的过滤网前,每12~24h将所述杂质清除;预过滤后的熔体再经过滤器Ⅱ(10)进行精密过滤,熔体中尺寸在210~250μm至500~800μm间的细沙、非PS树脂等杂质被阻隔在过滤器Ⅱ(10)的过滤网前,并连续不断地排出过滤器Ⅱ(10);过滤后的熔体经过真空排气装置(11),在抽真空的作用下排除物料中含有的残留发泡剂和小分子挥发物;排气后的熔体从单螺杆挤出机(8)挤出成型,由切粒机(12)切削成粒状,再经过振动筛(13)脱水干燥后进入成品料仓(14)缓存。
所述的废旧EPS冷压料外形尺寸不超过500×500×1200mm,含水量不超过15%。
所述的冷压料粉碎后呈片状,外形尺寸为10~25mm,堆积比重为0.15~0.20kg/dm3。
所述的物料在均化料仓(4)内进行连续混合的时间为2~3h。
所述的转盘式喂料机(7)的旋转刀盘(72)转速为200~400rpm,喂料机腔体(71)内的物料温度为50~85℃,料位高度为20~60mm。
所述的喂料机腔体(71)内的物料成颗粒状,外形尺寸为2~5mm,堆积比重为0.3~0.4 kg/dm3,含水量为0.5~3%。
所述的喂料机腔体(71)内的物料温度超过85℃时,转盘式喂料机(7)上装有的喷水阀(76)打开朝喂料机腔体(71)内喷水冷却。
所述的单螺杆挤出机(8)的转速为90~110rpm,单螺杆挤出机(8)筒体的加热温度设置为190~220℃。
所述的过滤器Ⅰ(9)和过滤器Ⅱ(10)的加热温度设置为200~210℃,过滤器Ⅰ(9)前的熔体压力为8~11MPa,过滤器Ⅰ(9)与过滤器Ⅱ(10)之间的熔体压力为6~8MPa,过滤器Ⅱ(10)后端的熔体压力为4~6MPa。
所述熔体先经过过滤器Ⅰ(9)和过滤器Ⅱ(10)过滤掉杂质后,再进行抽真空排气,真空排气装置(11)的真空度为-0.5~-0.8MPa。
所述的一种用于废旧EPS冷压料再生造粒的控制***,由输送皮带Ⅰ(1)、粉碎机(2)、输送皮带Ⅱ(3)、均化料仓(4)、金属分离器(5)、螺旋输送机(6)、转盘式喂料机(7)、单螺杆挤出机(8)、过滤器Ⅰ(9)、过滤器Ⅱ(10)、真空排气装置(11)、切粒机(12)、振动筛(13)、成品料仓(14)和PLC控制器(15)组成,其特征在于:输送皮带Ⅰ(1)和粉碎机(2)的投料口(21)相连,输送皮带Ⅱ(3)的进料端(31)位于粉碎机(2)的出料口(22)下部,输送皮带Ⅱ(3)的下料口(33)与均化料仓(4)的强制喂料螺杆(41)相连,均化料仓(4)的排料螺杆(43)与金属分离器(5)相连,金属分离器(5)与螺旋输送机(6)的进料口(61)相连,螺旋输送机(6)的排料口(62)与转盘式喂料机(7)的腔体(71)相连,转盘式喂料机(7)与单螺杆挤出机(8)的喂料段(81)切向相连,单螺杆挤出机(8)上依次装有过滤器Ⅰ(9)、过滤器Ⅱ(10)和真空排气装置(11),单螺杆挤出机(8)的后端装有切粒机(12),切粒机(12)后装有振动筛(13),振动筛(13)与成品料仓(14)相连,以上设备通过PLC控制器(15)进行集中操作控制。
所述的粉碎机(2)为转轴呈开放式的重型粉碎机。
所述的输送皮带Ⅱ(3)的下料口(33)斜上方的滚筒(32)为永磁滚筒,在下料口(33)斜下方处装有排渣口(34)。
所述的均化料仓(4)由强制喂料螺杆(41)、提升螺杆(42)和排料螺杆组成(43)。
所述的金属分离器(5)为管道式电磁感应金属分离器。
所述的转盘式喂料机(7)由喂料机腔体(71)、旋转刀盘(72)、阻尼定刀(73)、料位传感器(74)、温度传感器(75)和喷水阀(76)组成,旋转刀盘(72)由三组或多组构成呈螺旋状分布,阻尼定刀(73)安装在喂料机腔体上呈“√”形,料位传感器(74)安装在喂料机腔体(71)的顶部,温度传感器(75)安装在喂料机腔体(71)下端接近旋转刀盘(72)处,喷水阀(76)安装在喂料机腔体(71)的上端,温度传感器(75)通过检测喂料机腔体(71)内物料的温度来对喷水阀(76)的开启和关闭进行控制。
所述的单螺杆挤出机(8)的螺杆长径比为38,由喂料段(81)、压缩段(82)、过滤段(83)、塑化段(83)、真空段(84)和挤出段(85)依次组成,喂料段(81)为等距等深螺纹结构,压缩段(82)为等距不等深螺纹且螺槽深度由深变浅,过滤段(83)由开槽螺纹和反向螺纹组成,塑化段(84)由等距等深螺纹和屏障型螺纹组成,真空段(85)由等距不等深螺纹组成且螺槽深度由深变浅,挤出段(86)由等距等深螺纹组成。
所述的过滤器Ⅰ(9)为双柱塞圆柱面反冲洗过滤器,过滤工作面为双柱塞圆柱面,过滤面积大于1800cm2;过滤器Ⅱ(10)为连续式全自动旋转过滤器,过滤工作面为圆盘且可连续清洁表面,过滤面积大于1500cm2,;在过滤器Ⅰ(9)前端、过滤器Ⅰ(9)和过滤器Ⅱ(10)之间、过滤器Ⅱ(10)后端分别装有压力传感器。
所述的真空排气装置(11)位于过滤器Ⅱ(10)和切粒机(12)之间,具有二个真空排气口。
所述的切粒机(12)为水环切粒。
Claims (20)
1.一种用于废旧EPS冷压料再生造粒的方法,其特征在于:输送皮带Ⅰ将大块的废旧EPS冷压料输送到粉碎机内粉碎成片状,粉碎后的物料掉落在输送皮带Ⅱ上并朝前输送;输送皮带Ⅱ上的永磁滚筒将所述物料中的铁、锰钢、钴镍合金等磁性金属剔除后,物料进入到均化料仓内进行分散混合;混合后的物料从均化料仓的排料螺杆出来时经过金属分离器,剔除物料中含有的不锈钢、铜、铝等其余非磁性金属;物料随后进入到螺旋输送机中,经螺旋输送机送入到转盘式喂料机的腔体内,在旋转刀盘的高速旋转下物料被充分混合、预热、增密压实和干燥,并且呈颗粒状;所述的颗粒状物料被旋转刀盘甩入到单螺杆挤出机内,经过单螺杆挤出机的熔融、混炼、排气处理后,物料呈熔体状;所述熔体经过滤器Ⅰ进行预过滤,熔体中大于500~800μm的纸屑、木屑、铝箔等大杂质被阻挡在过滤网Ⅰ的过滤网前,每12~24h将所述杂质清除;预过滤后的熔体再经过滤器Ⅱ进行精密过滤,熔体中尺寸在210~250μm至500~800μm间的细沙、非PS树脂等杂质被阻隔在过滤器Ⅱ的过滤网前,并连续不断地排出过滤器Ⅱ;过滤后的熔体经过真空排气装置,在抽真空的作用下排除物料中含有的残留发泡剂和小分子挥发物;排气后的熔体从单螺杆挤出机挤出成型,由切粒机切削成粒状,再经过振动筛脱水干燥后进入成品料仓缓存。
2.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:所述的废旧EPS冷压料外形尺寸不超过500×500×1200mm,含水量不超过15%。
3.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:所述的冷压料粉碎后呈片状,外形尺寸为10~25mm,堆积比重为0.15~0.20kg/ dm3。
4.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:所述物料在均化料仓内进行连续混合的时间为2~3h。
5.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:转盘式喂料机的旋转刀盘转速为200~400rpm,喂料机腔体内的物料温度为50~85℃,料位高度为20~60mm。
6.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:喂料机腔体内的物料成颗粒状,外形尺寸为2~5mm,堆积比重为0.3~0.4 kg/dm3,含水量为0.5~3%。
7.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:喂料机腔体内的物料温度超过85℃时,转盘式喂料机上装有的喷水阀打开朝喂料机腔体内喷水冷却。
8.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:单螺杆挤出机的转速为90~110rpm,单螺杆挤出机筒体的加热温度设置为190~220℃。
9.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:过滤器Ⅰ和过滤器Ⅱ的加热温度设置为200~210℃,过滤器Ⅰ前的熔体压力为8~11MPa,过滤器Ⅰ与过滤器Ⅱ之间的熔体压力为6~8MPa,过滤器Ⅱ后端的熔体压力为4~6MPa。
10.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的方法,其特征在于:所述熔体先经过过滤器Ⅰ和过滤器Ⅱ过滤掉杂质后,再进行抽真空排气,真空排气装置的真空度为-0.5~-0.8MPa。
11.根据权利要求1所述的一种用于废旧EPS冷压料再生造粒的控制***,由输送皮带Ⅰ、粉碎机、输送皮带Ⅱ、均化料仓、金属分离器、螺旋输送机、转盘式喂料机、单螺杆挤出机、过滤器Ⅰ、过滤器Ⅱ、真空排气装置、切粒机、振动筛、成品料仓和PLC控制器组成,其特征在于:输送皮带Ⅰ和粉碎机的投料口相连,输送皮带Ⅱ的进料端位于粉碎机的出料口下部,输送皮带Ⅱ的下料口与均化料仓的强制喂料螺杆相连,均化料仓的排料螺杆与金属分离器相连,金属分离器与螺旋输送机的进料口相连,螺旋输送机的排料口与转盘式喂料机的腔体相连,转盘式喂料机与单螺杆挤出机的喂料段切向相连,单螺杆挤出机上依次装有过滤器Ⅰ、过滤器Ⅱ和真空排气装置,单螺杆挤出机的后端装有切粒机,切粒机后装有振动筛,振动筛与成品料仓相连,以上设备通过PLC控制器进行集中操作控制。
12.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:粉碎机为转轴呈开放式的重型粉碎机。
13.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:输送皮带Ⅱ的下料口斜上方的滚筒为永磁滚筒,在下料口斜下方处装有排渣口。
14.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:均化料仓由强制喂料螺杆、提升螺杆和排料螺杆组成。
15.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:金属分离器为管道式电磁感应金属分离器。
16.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:转盘式喂料机由喂料机腔体、旋转刀盘、阻尼定刀、料位传感器、温度传感器和喷水阀组成,旋转刀盘由三组或多组构成呈螺旋状分布,阻尼定刀安装在喂料机腔体上呈“√”形,料位传感器安装在喂料机腔体的顶部,温度传感器安装在喂料机腔体下端接近旋转刀盘处,喷水阀安装在喂料机腔体的上端,温度传感器通过检测喂料机腔体内物料的温度来对喷水阀的开启和关闭进行控制。
17.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:单螺杆挤出机的螺杆长径比为38,由喂料段、压缩段、过滤段、塑化段、真空段和挤出段依次组成,喂料段为等距等深螺纹结构,压缩段为等距不等深螺纹且螺槽深度由深变浅,过滤段由开槽螺纹和反向螺纹组成,塑化段由等距等深螺纹和屏障型螺纹组成,真空段由等距不等深螺纹组成且螺槽深度由深变浅,挤出段由等距等深螺纹组成。
18.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:过滤器Ⅰ为双柱塞圆柱面反冲洗过滤器,过滤工作面为双柱塞圆柱面,过滤面积大于1800cm2;过滤器Ⅱ为连续式全自动旋转过滤器,过滤工作面为圆盘且可连续清洁表面,过滤面积大于1500cm2,;在过滤器Ⅰ前端、过滤器Ⅰ和过滤器Ⅱ之间、过滤器Ⅱ后端分别装有压力传感器。
19.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:真空排气装置位于过滤器Ⅱ和切粒机之间,具有二个真空排气口。
20.根据权利要求11所述的一种用于废旧EPS冷压料再生造粒的控制***,其特征在于:切粒机为水下拉条切粒或水环切粒。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010398924.7A CN111438837A (zh) | 2020-05-12 | 2020-05-12 | 一种用于废旧eps冷压料再生造粒的方法及控制*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010398924.7A CN111438837A (zh) | 2020-05-12 | 2020-05-12 | 一种用于废旧eps冷压料再生造粒的方法及控制*** |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111438837A true CN111438837A (zh) | 2020-07-24 |
Family
ID=71655048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010398924.7A Pending CN111438837A (zh) | 2020-05-12 | 2020-05-12 | 一种用于废旧eps冷压料再生造粒的方法及控制*** |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111438837A (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111560174A (zh) * | 2019-02-14 | 2020-08-21 | 王正雄 | 可生物分解的植物纤维原料粒的组成物及其制造方法 |
CN114227992A (zh) * | 2021-12-07 | 2022-03-25 | 浙江天铁实业股份有限公司 | 一种连续进料式废旧轮胎破碎装置及方法 |
CN114345535A (zh) * | 2021-12-29 | 2022-04-15 | 福建华纵机械有限公司 | 打散机电气控制***及控制方法 |
DE102020127399A1 (de) | 2020-10-16 | 2022-04-21 | Wki Isoliertechnik Gmbh Berlin | Verfahren und Vorrichtung zur Aufbereitung von gebrauchtem Styropormaterial |
CN114474498A (zh) * | 2022-01-27 | 2022-05-13 | 无锡会通轻质材料股份有限公司 | 一种epp废制件回收再发泡***及方法 |
CN114474495A (zh) * | 2021-12-30 | 2022-05-13 | 福建鑫森合纤科技有限公司 | 一种锦纶6废料再生的生产线及生产方法 |
CN115139427A (zh) * | 2022-05-18 | 2022-10-04 | 内蒙古中锂新材料有限公司 | 一种改善锂电池隔膜物理性能一致性的自动混料*** |
CN117507179A (zh) * | 2023-12-29 | 2024-02-06 | 常州金纬化工成套设备有限公司 | 一种造粒机上料装置 |
-
2020
- 2020-05-12 CN CN202010398924.7A patent/CN111438837A/zh active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111560174A (zh) * | 2019-02-14 | 2020-08-21 | 王正雄 | 可生物分解的植物纤维原料粒的组成物及其制造方法 |
DE102020127399A1 (de) | 2020-10-16 | 2022-04-21 | Wki Isoliertechnik Gmbh Berlin | Verfahren und Vorrichtung zur Aufbereitung von gebrauchtem Styropormaterial |
EP3998144A1 (de) | 2020-10-16 | 2022-05-18 | WKI Isoliertechnik GmbH | Verfahren und vorrichtung zur aufbereitung von gebrauchtem expandiertem polystyrol (eps) material |
CN114227992A (zh) * | 2021-12-07 | 2022-03-25 | 浙江天铁实业股份有限公司 | 一种连续进料式废旧轮胎破碎装置及方法 |
CN114345535A (zh) * | 2021-12-29 | 2022-04-15 | 福建华纵机械有限公司 | 打散机电气控制***及控制方法 |
CN114345535B (zh) * | 2021-12-29 | 2023-09-22 | 福建华纵机械有限公司 | 打散机电气控制***及控制方法 |
CN114474495A (zh) * | 2021-12-30 | 2022-05-13 | 福建鑫森合纤科技有限公司 | 一种锦纶6废料再生的生产线及生产方法 |
CN114474498A (zh) * | 2022-01-27 | 2022-05-13 | 无锡会通轻质材料股份有限公司 | 一种epp废制件回收再发泡***及方法 |
CN115139427A (zh) * | 2022-05-18 | 2022-10-04 | 内蒙古中锂新材料有限公司 | 一种改善锂电池隔膜物理性能一致性的自动混料*** |
CN117507179A (zh) * | 2023-12-29 | 2024-02-06 | 常州金纬化工成套设备有限公司 | 一种造粒机上料装置 |
CN117507179B (zh) * | 2023-12-29 | 2024-03-12 | 常州金纬化工成套设备有限公司 | 一种造粒机上料装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111438837A (zh) | 一种用于废旧eps冷压料再生造粒的方法及控制*** | |
CN111438838A (zh) | 一种用于废旧eps热熔料再生造粒的方法及控制*** | |
CN100515703C (zh) | 通用型木质颗粒生产工艺及*** | |
CN102581986A (zh) | 一种工业后再循环废弃塑料的回收方法 | |
CN201192880Y (zh) | 超锥型木塑复合材料造粒机 | |
KR100982072B1 (ko) | 폐플라스틱과 슬러지를 합성한 고형연료 제조장치 | |
CN102615737A (zh) | 单螺杆密炼机生产无卤料的挤出造粒机组 | |
CN212288257U (zh) | 一种用于废旧eps冷压料再生造粒的控制*** | |
CN212266332U (zh) | 一种用于废旧eps热熔料再生造粒的控制*** | |
CN213766634U (zh) | 新型abs塑料生产用造粒机 | |
CN102601886A (zh) | 石头纸母粒挤出造粒机组 | |
CN105150410A (zh) | 一种智能模块化废旧橡胶连续绿色断硫再生成套装备 | |
CN204566318U (zh) | 一种木塑加工原料粉碎输送设备 | |
CN212949076U (zh) | 一种薄膜回收挤出机的进料装置 | |
CN105150409A (zh) | 一种智能模块化废旧橡胶连续绿色断硫再生成套工艺技术 | |
CN207373508U (zh) | 一种双阶自动上料水下切料挤出造粒机组 | |
CN200998656Y (zh) | 造粒机的进料机构 | |
CN206048580U (zh) | 一种泡沫材料回收造粒机 | |
CN202685135U (zh) | 石头纸母粒挤出造粒机组 | |
CN208529336U (zh) | 一种木材垃圾处理用木粉机 | |
CN220681301U (zh) | 一种双阶水冷拉条造粒生产线 | |
CN202200428U (zh) | 橡胶类物料生产机组 | |
CN206623250U (zh) | 一种电风扇聚丙烯造粒设备 | |
CN212445910U (zh) | 一种提高加工质量的薄膜造粒机 | |
CN112007752A (zh) | 一种不锈钢精炼炉尾渣梯次资源化分选的方法及*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200724 |