CN202148274U - Device for directly preparing recycled films by continuously cooling and mixing desulfuration rubber powder - Google Patents
Device for directly preparing recycled films by continuously cooling and mixing desulfuration rubber powder Download PDFInfo
- Publication number
- CN202148274U CN202148274U CN201120260957U CN201120260957U CN202148274U CN 202148274 U CN202148274 U CN 202148274U CN 201120260957 U CN201120260957 U CN 201120260957U CN 201120260957 U CN201120260957 U CN 201120260957U CN 202148274 U CN202148274 U CN 202148274U
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- China
- Prior art keywords
- rubber
- screw rod
- mixing
- rubber powder
- desulfuration
- 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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- 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
- B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
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- 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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
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- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a device for directly preparing recycled films by continuously cooling and mixing desulfuration rubber powder. The device comprises a continuous production line formed by a rubber desulfuration device with a hopper, a transition conveying device, a single-screw oxygen-separating cooling device, a sheet machine head, a pair of compression rollers and a cutting device. A discharge hole of the rubber desulfuration device is connected with a feeding hole of a single-screw heat-insulating cooling device through the transition conveying device, and a discharge hole of the single-screw heat-insulating cooling device is connected with a feeding hole of the sheet machine head. The device adopts the same-direction meshing double-screw rubber desulfuration device, thereby being even in mixing and low in energy consumption. The device adopts the oxygen-separating conveying, oxygen-separating cooling and mixing, thereby preventing high-temperature desulfuration rubber powder from high-temperature oxidation, improving mechanical property of the recycled rubber, being continuous and safe in production, and having no waste gas discharge.
Description
Technical field
The utility model relates to the recycle device technical field of waste rubber, and the mixing desulfurization rubber powder of particularly a kind of continuous cooling directly prepares the device of the film of regenerating.
Background technology
The recycling of China's waste rubber mainly adopts the chemsweet process technology to produce shoddy; Account for and reclaim more than 90% of waste rubber; This chemsweet process is the overlap span formula; What the desulfurization rubber powder of especially discharging from digester carried out not airtight cooling and 2-3 road opens the refining blade technolgy, the serious secondary pollution of generation in the production process, and production environment is relatively poor.The cooling of present domestic desulfurization rubber powder is all adopted open, because the desulfurization rubber powder temperature of discharging is high, generally more than 200 ℃, open cooling is prone to make the oxidation of desulfurization rubber powder, even produces naked light, influences the shoddy performance; The shoddy film-making all is to adopt mill refining glue to go out blade technolgy; Secondary pollution is arranged on the one hand; Secondly there is recessive safety-problems in operator, the oxygen barrier cooling and the green film-making problem of shoddy that therefore solve the desulfurization rubber powder are the green key process technology of recycling of waste old.
The main technique technology that present domestic research and development waste old green desulfurization prepares shoddy is as follows:
People such as Ma Ruqi research and develop a kind of device of devulcanization of rubber, Chinese patent 200620132011.6, and this device comprises kibbler, sifting machine, magnetic separator, feeding machine, microwave oven, forcing machine, filtration unit and packing apparatus.This technology is carried out microwave desulfurization through microwave oven after waste old is passed through pulverizing, screening, magnetic separation again, directly gets into the forcing machine spout by the microwave oven discharge port after the desulfurization, plastifies, lowers the temperature, filters through forcing machine, accomplishes whole process of production at last.Use the complex manufacturing of this Patent equipment, efficient is not high, and has secondary pollution.
People such as Liu Weiyi research and develop a kind of devulcanization of rubber forcing machine, and Chinese patent 89209641.1, its extrusion screw are the screw rods that a kind of two start screw and major and minor threaded segments are provided with, and employing is connected the head of truncated cone-shaped core with bearing with screw rod.This machine of utilization carries out desulfurization regeneration to waste old, and its quality reaches more than the shoddy national standard secondary.But the sweetening effectiveness of this patent is general, and the shoddy performance that makes is general.
The utility model content
The technical problem that the utility model will solve is: in order to solve above-mentioned deficiency, the utility model provides the mixing desulfurization rubber powder of a kind of continuous cooling directly to prepare the device of the film of regenerating.
The utility model solves the technical scheme that its technical problem adopted: the mixing desulfurization rubber powder of a kind of continuous cooling directly prepares the device of the film of regenerating; Comprise the tinuous production of forming by devulcanization of rubber device, transition handling machinery, single screw rod oxygen barrier refrigerating unit, sheet material head, a pair of pressure roller and the cutting means of band hopper; The discharge port of devulcanization of rubber device is through the opening for feed of the heat insulation refrigerating unit of transition handling machinery order screw rod, the opening for feed of the discharge port contact pin material head of the heat insulation refrigerating unit of single screw rod.
For improving the sweetening effectiveness of vulcanized rubber powder; Described devulcanization of rubber device is a twin screw devulcanization of rubber device; Described twin screw devulcanization of rubber device has cylindrical shell and is positioned at the intravital twin screw of engagement in the same way of tube; Cylindrical shell has hopper, and twin screw comprises reinforced transportation section, two or more the mutual discontinuous extrusion shearing sections with compression ratio and is positioned at the intersegmental screw rod transition section of adjacent two extrusion shearings.
For obtaining the mixed type shoddy of complete desulfurization and partial desulfurization coexistence; Described extrusion shearing section is two combined shear pieces that are meshed; The combined shear piece is made up of two or more cams; The major axis of adjacent cams is staggeredly located out in a circumferential direction, the major axis of its adjacent cams of combined shear piece of the different extrusion shearing sections angle difference that staggers in a circumferential direction.Under the extrusion shearing of dissimilar combined shear pieces, realize the desulfurization wholly or in part of rubber powder, generate the mixed type shoddy of complete desulfurization and partial desulfurization coexistence.
For the high temperature desulfurizing rubber powder that the devulcanization of rubber device is extruded cools off fast; Described single screw rod oxygen barrier refrigerating unit comprises jacketed type machine barrel and the screw rod that is positioned at the jacketed type machine barrel; The jacketed type machine barrel comprises outer cylinder body and inner barrel; The inner barrel outside surface has spiral continuous cooling water channel, and the screw rod center is provided with the cooling duct of logical water coolant.
For reaching the ideal cooling performance and mating with the throughput of devulcanization of rubber device, the length-to-diameter ratio L/D of described screw rod is 50: 1-80: 1.
For flowing property and the mechanical property that makes shoddy satisfies request for utilization; Described screw rod is divided into compression zone, cooling zone and mixing district; The compression zone such as is at dark gaining twist; Make the desulfurization rubber powder moderate compression that is sticked together, increase the contact area of desulfurization rubber powder and jacketed type machine barrel and screw rod, improve cooling performance; The cooling zone such as is at dark constant worm pich, mainly plays and cools off and the conveying effect.
The beneficial effect of the utility model is, the utility model cools off the device that mixing desulfurization rubber powder directly prepares the film of regenerating continuously and adopts meshed double screw devulcanization of rubber device in the same way, and venting quality is good, mixes, and production efficiency is high, and energy consumption is low; The employing oxygen barrier is carried, oxygen barrier cooling and mixing, not only prevents the high temperature oxidation of high temperature desulfurizing rubber powder, improves the shoddy mechanical property, and produces continuous, safety, and the discarded discharging of production process can not cause secondary pollution to environment.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the process flow diagram of preparation regeneration film in the utility model;
Fig. 2 be the utility model continuously the mixing desulfurization rubber powder of cooling directly prepare the structural representation of optimum embodiment of the device of the film of regenerating;
Fig. 3 is the structural representation of twin screw in the twin screw devulcanization of rubber device in the utility model;
Fig. 4 is the structural representation of the first combined shear piece of the twin screw devulcanization of rubber device in the utility model;
Fig. 5 is the structural representation of the second combined shear piece of the twin screw devulcanization of rubber device in the utility model;
Fig. 6 is the structural representation of the 3rd combined shear piece of the twin screw devulcanization of rubber device in the utility model;
Fig. 7 is the structural representation that the oxygen barrier in the utility model is cooled off the optimum embodiment of mixing single screw device.
Among the figure 1, the devulcanization of rubber device, 11, reinforced transportation section, 12, the extrusion shearing section, 13, the screw rod transition section, 14, hopper; 2, transition handling machinery, 3, single screw rod oxygen barrier refrigerating unit, 31, the cooling duct, 32, screw rod, 33, outer cylinder body; 34, inner barrel, 35, cooling water channel, A, compression zone, B, cooling zone; The mixing district of C, 4, the sheet material head, 5, pressure roller, 6, cutting means.
Embodiment
Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the synoptic diagram of simplification, the substruction of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
The mixing desulfurization rubber powder of the continuous cooling of the utility model as shown in Figure 2 directly prepares the optimum embodiment of the device of the film of regenerating; Comprise the tinuous production of forming by twin screw devulcanization of rubber device 1, transition handling machinery 2, single screw rod oxygen barrier refrigerating unit 3, sheet material head 4, a pair of pressure roller 5 and the cutting means 6 of band hopper 14; The discharge port of twin screw devulcanization of rubber device 1 is through the opening for feed of the heat insulation refrigerating unit 3 of transition handling machinery 2 order screw rods, the opening for feed of the discharge port contact pin material head 4 of the heat insulation refrigerating unit 3 of single screw rod.
Twin screw devulcanization of rubber device 1 has cylindrical shell and is positioned at the intravital twin screw of engagement in the same way of tube, and cylindrical shell has hopper 14.As shown in Figure 3, twin screw comprises reinforced transportation section 11, three mutual discontinuous extrusion shearing sections 12 with compression ratio and two screw rod transition sections 13 that are positioned at 12 of adjacent two extrusion shearing sections.
As shown in Figure 7; Single screw rod oxygen barrier refrigerating unit 3 comprises jacketed type machine barrel and the screw rod 32 that is positioned at the jacketed type machine barrel; The jacketed type machine barrel comprises outer cylinder body 33 and inner barrel 34; Inner barrel 34 outside surfaces have spiral continuous cooling water channel 35, and screw rod 32 centers are provided with the cooling duct 31 of logical water coolant.The length-to-diameter ratio L/D of screw rod 32 is 70: 1.
The twin screw rotating speed is controlled at 100rpm, and desulfurization temperature is controlled at 180-210 ℃.The shoddy specimen preparation is pressed GB13460-2003, tensile property and elongation at break testing standard: GB/T 1040-92, the testing standard of mooney viscosity: GB/T 1232.1-2000.Through the test reflection, shoddy has obtained splendid revulcanization effect, tensile strength 14.9MPa, elongation at break 478.5%, mooney viscosity 60.
With above-mentioned desirable embodiment according to the utility model is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification sheets, must confirm its technical scope according to the claim scope.
Claims (6)
1. one kind is cooled off the device that mixing desulfurization rubber powder directly prepares the film of regenerating continuously; It is characterized in that: comprise the tinuous production of forming by devulcanization of rubber device (1), transition handling machinery (2), single screw rod oxygen barrier refrigerating unit (3), sheet material head (4), a pair of pressure roller (5) and the cutting means (6) of band hopper (14); The discharge port of devulcanization of rubber device (1) is through the opening for feed of the heat insulation refrigerating unit of transition handling machinery (2) order screw rod (3), the opening for feed of the discharge port contact pin material head (4) of the heat insulation refrigerating unit of single screw rod (3).
2. the mixing desulfurization rubber powder of continuous cooling according to claim 1 directly prepares the device of the film of regenerating; It is characterized in that: described devulcanization of rubber device (1) is a twin screw devulcanization of rubber device; Described twin screw devulcanization of rubber device has cylindrical shell and is positioned at the intravital twin screw of engagement in the same way of tube; Cylindrical shell has hopper, and twin screw comprises reinforced transportation section (11), two or more the mutual discontinuous extrusion shearing sections (12) with compression ratio and is positioned at the intersegmental screw rod transition section (13) of adjacent two extrusion shearings.
3. the mixing desulfurization rubber powder of continuous cooling according to claim 2 directly prepares the device of the film of regenerating; It is characterized in that: described extrusion shearing section (12) is two combined shear pieces that are meshed; The combined shear piece is made up of two or more cams; The major axis of adjacent cams is staggeredly located out in a circumferential direction, the major axis of its adjacent cams of combined shear piece of different extrusion shearing sections (12) the angle difference that staggers in a circumferential direction.
4. the mixing desulfurization rubber powder of continuous cooling according to claim 1 directly prepares the device of the film of regenerating; It is characterized in that: described single screw rod oxygen barrier refrigerating unit (3) comprises jacketed type machine barrel and the screw rod (32) that is positioned at the jacketed type machine barrel; The jacketed type machine barrel comprises outer cylinder body (33) and inner barrel (34); Inner barrel (34) outside surface has spiral continuous cooling water channel (35), and screw rod (32) center is provided with the cooling duct (31) of logical water coolant.
5. the mixing desulfurization rubber powder of continuous cooling according to claim 4 directly prepares the device of the film of regenerating, and it is characterized in that: the length-to-diameter ratio L/D of described screw rod (32) is 50: 1-80: 1.
6. the mixing desulfurization rubber powder of continuous cooling according to claim 4 directly prepares the device of the film of regenerating, and it is characterized in that: described screw rod (32) is divided into compression zone, cooling zone and mixing district, and the compression zone such as is at dark gaining twist, and the cooling zone such as is at dark constant worm pich.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120260957U CN202148274U (en) | 2011-07-22 | 2011-07-22 | Device for directly preparing recycled films by continuously cooling and mixing desulfuration rubber powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120260957U CN202148274U (en) | 2011-07-22 | 2011-07-22 | Device for directly preparing recycled films by continuously cooling and mixing desulfuration rubber powder |
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| Publication Number | Publication Date |
|---|---|
| CN202148274U true CN202148274U (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120260957U Expired - Fee Related CN202148274U (en) | 2011-07-22 | 2011-07-22 | Device for directly preparing recycled films by continuously cooling and mixing desulfuration rubber powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102344592A (en) * | 2011-07-22 | 2012-02-08 | 常州大学 | Device and method for directly preparing regenerated rubber sheet by continually cooling and mixing desulfurized rubber powder |
| CN102863649A (en) * | 2012-10-11 | 2013-01-09 | 舟山富德斯机械有限公司 | Reclaimed rubber production line |
| WO2015131526A1 (en) * | 2014-03-06 | 2015-09-11 | 青岛科技大学 | Single screw extrusion desulfurization and post-processing system, and method for preparing reclaimed rubber |
| CN105418962A (en) * | 2015-11-26 | 2016-03-23 | 安徽世界村新材料有限公司 | Novel method for preparing granular modified regenerated rubber through two-stage continuous green regeneration of waste rubber |
-
2011
- 2011-07-22 CN CN201120260957U patent/CN202148274U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102344592A (en) * | 2011-07-22 | 2012-02-08 | 常州大学 | Device and method for directly preparing regenerated rubber sheet by continually cooling and mixing desulfurized rubber powder |
| CN102344592B (en) * | 2011-07-22 | 2012-11-07 | 常州大学 | Device and method for directly preparing regenerated rubber sheet by continually cooling and mixing desulfurized rubber powder |
| CN102863649A (en) * | 2012-10-11 | 2013-01-09 | 舟山富德斯机械有限公司 | Reclaimed rubber production line |
| CN102863649B (en) * | 2012-10-11 | 2014-12-24 | 舟山富德斯机械有限公司 | Reclaimed rubber production line |
| WO2015131526A1 (en) * | 2014-03-06 | 2015-09-11 | 青岛科技大学 | Single screw extrusion desulfurization and post-processing system, and method for preparing reclaimed rubber |
| US9969857B2 (en) | 2014-03-06 | 2018-05-15 | Baiyuan Lv | Single-screw extrusion desulfurization and post-processing system, and method for preparing reclaimed rubber |
| CN105418962A (en) * | 2015-11-26 | 2016-03-23 | 安徽世界村新材料有限公司 | Novel method for preparing granular modified regenerated rubber through two-stage continuous green regeneration of waste rubber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20140722 |
|
| EXPY | Termination of patent right or utility model |