CN205148843U - Twin -screw is extruded with vacuum system and double screw extruder - Google Patents
Twin -screw is extruded with vacuum system and double screw extruder Download PDFInfo
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- CN205148843U CN205148843U CN201520886519.4U CN201520886519U CN205148843U CN 205148843 U CN205148843 U CN 205148843U CN 201520886519 U CN201520886519 U CN 201520886519U CN 205148843 U CN205148843 U CN 205148843U
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- water
- twin
- triethylene glycol
- vacuum system
- screw extrusion
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Abstract
The utility model relates to a twin -screw is extruded with vacuum system and double screw extruder, include: the triethylene glycol washs the jar, be equipped with water heating device and temperature sensor in the triethylene glycol washing jar to wasing the jar, the triethylene glycol be equipped with the heat preservation in, temperature sensor links to each other with control module's data acquisition end, control module's control end passes through drive module and links to each other with water heating device, the utility model discloses a water heating device heats, makes partial volatile substance soften under certain humiture and dissolves, has avoided the volatile substance to condense and has caused the vacuum pump screw rod to cause frequent card to die, and through the circulating water rose box, has avoided the often phenomenon of jam of water ring pump condenser water, has improved system device's life.
Description
Technical field
The utility model relates to a kind of twin-screw extrusion vacuum system and double screw extruder.
Background technology
Draw in production process at polyester (BOPET) film pair, if during extruder use twin-screw extrusion, technological requirement just must use vacuum system, Main Function extracts the oligomeric volatile matter in extrusion in material out, ensure the guarantee of production technology to product quality, in present actual production process, vacuum system used generally all adopts overseas equipment and foreign technology mounting equipment, (mainly contain filtration larger storage tank, chilling spray filtering tank, water ring pump, Roots vaccum pump forms) but still encounter a lot of problem in actual use procedure, volatile matter can condense and often cause stuck to vavuum pump screw rod, the frequent clogging of water ring pump Water in Condenser, cause system alarm to shut down and bring high cost to production.
Utility model content
The purpose of this utility model is to provide a kind of twin-screw extrusion vacuum system and double screw extruder, causes vavuum pump screw rod often to cause stuck technical problem to solve volatile matter cohesion.
In order to solve the problems of the technologies described above, the utility model provides a kind of twin-screw extrusion vacuum system, comprising: triethylene glycol purge tank, is provided with hot-water heating system and temperature sensor, and is provided with heat-insulation layer in described triethylene glycol purge tank in triethylene glycol purge tank; Described temperature sensor is connected with the data acquisition end of control module, and the control end of described control module is connected with hot-water heating system by driver module.
Further, described triethylene glycol purge tank is connected with the vacuum pipe filtering larger storage tank by the first vavuum pump; And described triethylene glycol purge tank also connects Inner eycle water loop by the second vavuum pump.
Further, described Inner eycle water loop is provided with water ring valve and recirculated water Rose Box.
Further, easy to maintenance for the ease of recirculated water Rose Box, the porch of described recirculated water Rose Box is provided with the first magnetic valve, and a described recirculated water Rose Box water pipe in parallel with this magnetic valve, described water pipe is installed the second magnetic valve; Described control module is suitable for control first solenoid valve conduction, the second closed electromagnetic valve, or the first closed electromagnetic valve, the second solenoid valve conduction.
Be provided with cooling water pipe in described filtration larger storage tank, and the below of described cooling water pipe is also provided with screen pack.
Another aspect, the utility model additionally provides a kind of double screw extruder, comprises described twin-screw extrusion vacuum system.
The beneficial effects of the utility model are, the utility model is heated by hot-water heating system, make that partial volatiles is softening under certain humiture to be dissolved, and avoiding volatile matter cohesion, to cause vavuum pump screw rod often to cause stuck; And by recirculated water Rose Box, avoid the phenomenon that water ring pump Water in Condenser often blocks, and be provided with cooling water pipe in filtration larger storage tank, be also provided with screen pack in the below of described cooling water pipe, improve the service life of system equipment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of twin-screw extrusion vacuum system of the present utility model;
Fig. 2 is the control principle block diagram of twin-screw extrusion vacuum system of the present utility model.
In figure: triethylene glycol purge tank 1, hot-water heating system 101, first vavuum pump 201, second vavuum pump 202, filtration larger storage tank 3, vacuum pipe 301, cooling water pipe 302, screen pack 303, water ring valve 401, recirculated water Rose Box 402, first magnetic valve 403, second magnetic valve 404.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
Embodiment 1
As depicted in figs. 1 and 2, of the present utility modelly provide a kind of twin-screw extrusion vacuum system, comprise: triethylene glycol purge tank 1, be provided with hot-water heating system 101 and temperature sensor in described triethylene glycol purge tank 1, and be provided with heat-insulation layer in triethylene glycol purge tank 1; Described temperature sensor is connected with the data acquisition end of control module, and the control end of described control module is connected with hot-water heating system by driver module.
Wherein, described control module is such as but not limited to employing PLC module, flush bonding module; Described driver module is suitable for providing big current, to make hot-water heating system work.
Concrete, described triethylene glycol purge tank is connected with the vacuum pipe 301 filtering larger storage tank 3 by the first vavuum pump 201; And described triethylene glycol purge tank also connects Inner eycle water loop by the second vavuum pump 202.
First, second vavuum pump described is such as but not limited to employing Roots vaccum pump.
Further, suck triethylene glycol to prevent vavuum pump and soften volatile matter in gas, volatile matter is under the effect of water ring pump in mixing water, described Inner eycle water loop is provided with water ring valve 401 and recirculated water Rose Box 402, effectively avoid volatile matter cohesion to cause and often cause stuck to vavuum pump screw rod, the frequent clogging of water ring pump Water in Condenser.
Preferably, the porch of described recirculated water Rose Box is provided with the first magnetic valve 403, and described recirculated water Rose Box and the first magnetic valve 403 water pipe in parallel, described water pipe is installed the second magnetic valve 404; Described control module is suitable for the conducting of control first magnetic valve 403, the second closed electromagnetic valve, or the first magnetic valve 403 cuts out, the second magnetic valve 404 conducting.
Concrete, when normally working, accessed to by recirculated water Rose Box in Inner eycle water loop, i.e. the first magnetic valve 403 conducting, the second magnetic valve 404 cuts out; When recirculated water Rose Box or when carrying out clean to it, the first magnetic valve 403 cuts out, the second magnetic valve 404 conducting changed by needs.
In Fig. 1, M11, M12, M13 represent the drive motors controlling vavuum pump, water ring valve respectively.
Be provided with cooling water pipe 302 in described filtration larger storage tank 3, and the below of described cooling water pipe 302 is also provided with screen pack 303.By having carried out Local cooling process to filtration larger storage tank 3, make the oligomeric volatile gases of process become solid retention between screen pack, extend the service life of whole system further.
Embodiment 2
On embodiment 1 basis, the utility model additionally provides a kind of double screw extruder, comprises described twin-screw extrusion vacuum system.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.
Claims (6)
1. a twin-screw extrusion vacuum system, is characterized in that, comprising: triethylene glycol purge tank, is provided with hot-water heating system and temperature sensor in described triethylene glycol purge tank, and is provided with heat-insulation layer in described triethylene glycol purge tank;
Described temperature sensor is connected with the data acquisition end of control module, and the control end of described control module is connected with hot-water heating system by driver module.
2. twin-screw extrusion vacuum system according to claim 1, is characterized in that, described triethylene glycol purge tank is connected with the vacuum pipe filtering larger storage tank by the first vavuum pump; And
Described triethylene glycol purge tank also connects Inner eycle water loop by the second vavuum pump.
3. twin-screw extrusion vacuum system according to claim 2, is characterized in that, described Inner eycle water loop is provided with water ring valve and recirculated water Rose Box.
4. twin-screw extrusion vacuum system according to claim 3, is characterized in that, the porch of described recirculated water Rose Box is provided with the first magnetic valve, and a described recirculated water Rose Box water pipe in parallel with this magnetic valve, described water pipe is installed the second magnetic valve;
Described control module is suitable for control first solenoid valve conduction, the second closed electromagnetic valve, or the first closed electromagnetic valve, the second solenoid valve conduction.
5. twin-screw extrusion vacuum system according to claim 2, is characterized in that, be provided with cooling water pipe, and the below of described cooling water pipe is also provided with screen pack in described filtration larger storage tank.
6. a double screw extruder, is characterized in that, comprises the twin-screw extrusion vacuum system as described in any one of Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886519.4U CN205148843U (en) | 2015-11-09 | 2015-11-09 | Twin -screw is extruded with vacuum system and double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886519.4U CN205148843U (en) | 2015-11-09 | 2015-11-09 | Twin -screw is extruded with vacuum system and double screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205148843U true CN205148843U (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520886519.4U Active CN205148843U (en) | 2015-11-09 | 2015-11-09 | Twin -screw is extruded with vacuum system and double screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205148843U (en) |
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2015
- 2015-11-09 CN CN201520886519.4U patent/CN205148843U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 industrial concentration area of Lijia Town, Wujin District, Jiangsu, Changzhou Patentee after: Changzhou film Polytron Technologies Inc Address before: 213000 industrial concentration area of Lijia Town, Wujin District, Jiangsu, Changzhou Patentee before: Changzhou Baijia Film Technology Co.,Ltd. |