CN217144818U - Cleaning device of double-screw granulator vacuum pumping system - Google Patents
Cleaning device of double-screw granulator vacuum pumping system Download PDFInfo
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- CN217144818U CN217144818U CN202221041253.XU CN202221041253U CN217144818U CN 217144818 U CN217144818 U CN 217144818U CN 202221041253 U CN202221041253 U CN 202221041253U CN 217144818 U CN217144818 U CN 217144818U
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- screw granulator
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- buffer chamber
- vacuumizing
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Abstract
The utility model provides a twin-screw granulator vacuum pumping system's cleaning device, including a plurality of clearance branch pipes, buffer chamber, the clearance stick, recovery unit, the one end of clearance branch pipe is connected on the evacuation is responsible for, suit with the evacuation branch pipe, the other end is vertical extends up, and set up the clearance valve, buffer chamber's upper end is uncovered, and set up removable cover and form and shield, buffer chamber fixes on the twin-screw granulator, and its side links to each other with the evacuation branch pipe, the diameter of clearance stick is less than the internal diameter of twin-screw granulator vacuum pumping system's evacuation branch pipe, recovery unit includes the handle, and set up the recovery board in handle one end, the handle is the vertical distribution with the recovery board, just the shape of recovery board suits with the cross sectional shape of buffer chamber. The utility model has the advantages of being simple in structure and convenient in operation, can effectively avoid operating personnel to contact and contain the hydrogen fluoride mixture, guarantee operating personnel safety, and can realize online clearance vacuum pumping system.
Description
Technical Field
The utility model relates to a chemical industry field, in particular to cleaning device of twin-screw granulator evacuation system.
Background
The FEP powder is melted and extruded into plastic strips at high temperature by a double-screw granulator, and then the plastic strips are cooled and granulated to produce granular FEP resin.
At present, the matched evacuation system of twin-screw granulator is responsible for including being the evacuation that the level form extends, and the evacuation is responsible for and is linked to each other with the negative pressure source, still includes a plurality of evacuation branch pipes that extend along vertical direction, and the pipe diameter of evacuation branch pipe is less than the evacuation and is responsible for, and the one end and the twin-screw granulator of these evacuation branch pipes are connected, and the other end is responsible for with the evacuation and links to each other, and sets up the valve on the evacuation branch pipe. Volatile substances decomposed by FEP micromolecules and branched chains generated in the melting and plasticizing process of the double-screw granulator are collected to the main vacuum-pumping pipe through the vacuum-pumping branch pipe and then discharged. Because the temperature difference between the double-screw granulator and the vacuum-pumping system pipeline is large, high-temperature volatile substances are condensed and adhered at the vacuum-pumping branch pipe and the valve to form blockage, so that bubbles are easily remained in the granular FEP resin, and the product quality is seriously influenced. In addition, the blockage contains a hydrogen fluoride mixture, and the manual disassembly of the pipeline and the gradual cleaning process of the valve easily injure operators.
Therefore, how to design a cleaning device capable of rapidly and safely cleaning the vacuumizing system of the twin-screw granulator is an urgent problem to be solved by the technical personnel in the field.
Disclosure of Invention
The utility model aims at prior art not enough, provide a double screw granulator evacuating system's cleaning device, its simple structure, convenient operation can effectively avoid operating personnel to contact and contain the hydrogen fluoride mixture, guarantee operating personnel safety, and can realize online clearance evacuating system.
The technical scheme of the utility model is that: a cleaning device of a vacuumizing system of a double-screw granulator comprises a plurality of cleaning branch pipes, a plurality of buffer chambers, a cleaning rod and a recovery device, wherein the number of the cleaning branch pipes is matched with that of the vacuumizing branch pipes of the vacuumizing system of the double-screw granulator, one end of each cleaning branch pipe is connected to a vacuumizing main pipe of the vacuumizing system of the double-screw granulator and is matched with the vacuumizing branch pipes, the other end of each cleaning branch pipe extends upwards vertically, a cleaning valve is arranged, the number of the buffer chambers is matched with that of the vacuumizing branch pipes of the vacuumizing system of the double-screw granulator, the upper end of each buffer chamber is open, a movable cover plate is arranged to form a shielding cover, each buffer chamber is fixed on the double-screw granulator and is uniformly distributed along the length direction of the double-screw granulator, the side surface of each buffer chamber is connected with the vacuumizing branch pipe corresponding to the vacuumizing system of the double-screw granulator, and the diameter of the cleaning rod is smaller than the inner diameter of the vacuumizing branch pipes of the vacuumizing system of the double-screw granulator, the recycling device comprises a handle and a recycling plate arranged at one end of the handle, the handle and the recycling plate are vertically distributed, and the shape of the recycling plate is matched with the shape of the cross section of the buffer chamber.
One end of the cleaning rod is provided with a grab handle, and the other end of the cleaning rod is conical and is provided with a thread section.
The upper end of the inner wall of the buffer chamber is provided with a step, and the movable cover plate is placed on the step and positioned.
A handle is arranged on the movable cover plate.
The cross section of the buffer chamber is square, and the recovery plate is square.
The cross section of the buffer chamber is circular, and the shape of the recovery plate is circular.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the cleaning device of the vacuumizing system of the double-screw granulator comprises a plurality of cleaning branch pipes, a plurality of buffer chambers, cleaning rods and a recovery device. The number of the cleaning branch pipes is matched with the number of the vacuumizing branch pipes of the vacuumizing system of the double-screw granulator, one end of each cleaning branch pipe is connected to the vacuumizing main pipe of the vacuumizing system of the double-screw granulator and corresponds to the vacuumizing branch pipe, the other end of each cleaning branch pipe vertically extends upwards, and a cleaning valve is arranged, namely, the cleaning branch pipes and the vacuumizing branch pipes of the vacuumizing system are located on the same straight line. The quantity of buffer chambers suits with the quantity of the vacuum pumping branch pipes of the vacuum pumping system of the double-screw granulator, the upper end of each buffer chamber is open, a movable cover plate is arranged to form shielding, each buffer chamber is fixed on the double-screw granulator and evenly distributed along the length direction of the double-screw granulator, and the side surface of each buffer chamber is connected with the vacuum pumping branch pipe corresponding to the vacuum pumping system of the double-screw granulator, namely, volatile substances formed in the double-screw granulator are firstly pumped away by the vacuum pumping branch pipes after passing through the buffer chambers. The diameter of the cleaning rod is smaller than the inner diameter of a vacuumizing branch pipe of a double-screw granulator vacuumizing system, the recycling device comprises a handle and a recycling plate arranged at one end of the handle, the handle and the recycling plate are vertically distributed, the shape of the recycling plate is matched with the cross section shape of the buffer chamber, when the double-screw granulator vacuumizing system is blocked, a valve on the vacuumizing branch pipe to be cleaned is closed firstly, a movable cover plate of the buffer chamber corresponding to the vacuumizing branch pipe can be opened at the moment (when the corresponding valve is opened, the movable cover plate cannot be opened under the action of negative pressure), the recycling plate of the recycling device is placed in the corresponding buffer chamber through the handle and is located below the vacuumizing branch pipe, and the recycling plate also shields an air hole of the double-screw granulator corresponding to the buffer chamber. Opening corresponding valves and cleaning valves, penetrating the cleaning branch pipes by using cleaning rods, inserting the vacuumizing branch pipes, rotating, cleaning condensate attached to the inner walls of the vacuumizing branch pipes and the valves, allowing the condensate to fall onto a recovery plate along the vacuumizing branch pipes under the action of gravity, preventing the condensate from being converged into a buffer chamber to cause corrosion, or falling back to a double-screw granulator to cause fluctuation of product quality, taking out the cleaning rods after cleaning is finished, closing the cleaning valves and the valves, taking out a recovery device and recycling collected condensate, covering a movable cover plate, opening the corresponding valves, and finishing cleaning operation of the vacuumizing branch pipes. The process is repeated for other blocked vacuum manifolds.
2. The one end of clearance stick is equipped with the grab handle, and the other end is the toper, and is equipped with the screw thread section, and the grab handle of setting makes things convenient for operating personnel to rotate the clearance stick, and the other end sets up to the toper and sets up the screw thread section, makes things convenient for operating personnel to pass the condensate with the clearance stick and clears up, and can take part condensate out, reduces and collects the condensate volume on retrieving the board.
3. The upper end of the inner wall of the buffer chamber is provided with a step, the movable cover plate is placed on the step to form positioning, the movable cover plate is convenient to mount and dismount, and the sealing performance is good.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1 is a schematic view of the connection of the cleaning branch pipe, the buffer chamber and the vacuum pumping system of the twin-screw granulator of the present invention;
FIG. 2 is a schematic structural view of the cleaning rod of the present invention;
FIG. 3 is a schematic structural view of the recycling device of the present invention;
fig. 4 is a schematic view of the buffer chamber and the movable cover plate of the present invention.
In the attached drawing, 1 is a cleaning branch pipe, 2 is a buffer chamber, 21 is a step, 3 is a cleaning rod, 31 is a handle, 32 is a thread section, 4 is a recovery device, 41 is a handle, 42 is a recovery plate, 5 is a cleaning valve, 6 is a movable cover plate, and 61 is a handle.
Detailed Description
The utility model discloses in, do not mark equipment, the part of concrete structure or model select for use the equipment or the part of chemical industry field conventionality usually, do not mark the connected mode that connected mode or the manufacturer's suggestion that are chemical industry field conventionality usually of concrete connected mode.
Referring to fig. 1 to 4, a specific embodiment of a cleaning device of a vacuum pumping system of a twin-screw granulator is shown. Twin-screw granulator evacuation system's cleaning device includes a plurality of clearance branch pipes 1, a plurality of buffer chamber 2 to and clearance stick 3, recovery unit 4, see figure 1, and the twin-screw granulator evacuation system that corresponds possesses six evacuation branch pipes, consequently, clearance branch pipe, buffer chamber all set up to six, clearance stick and recovery unit's quantity design be one can, of course, also can be according to actual conditions, design into two or more. One end of the cleaning branch pipe 1 is connected to a vacuum main pipe of a vacuum-pumping system of the twin-screw granulator, corresponds to the vacuum-pumping branch pipe, the other end of the cleaning branch pipe vertically extends upwards, and a cleaning valve 5 is arranged, namely, the vacuum-pumping branch pipe and the cleaning branch pipe are located on the same heavy vertical line, and generally, the pipe diameter of the cleaning branch pipe is the same as that of the vacuum-pumping branch pipe. The upper end of each buffer chamber 2 is open, and is provided with a movable cover plate 6 to form shielding, each buffer chamber 2 is fixed on the twin-screw granulator, and is uniformly distributed along the length direction of the twin-screw granulator, and the side surface of each buffer chamber is connected with a vacuumizing branch pipe corresponding to a vacuumizing system of the twin-screw granulator, specifically, the cross section of each buffer chamber is square, the upper end of the inner wall of each buffer chamber is provided with a step 21, the movable cover plate 6 is placed on the step to form positioning, the cross section of each buffer chamber can also be designed to be round or other polygons, correspondingly, the movable cover plate needs to be designed to be in an adaptive shape, and the movable cover plate is convenient to take down, a handle 61 is arranged on the movable cover plate 6, and obviously, the buffer chambers correspond to the exhaust holes at the top of the twin-screw granulator. The diameter of cleaning rod 3 is less than the internal diameter of twin-screw granulator evacuation system's evacuation branch pipe, for convenient operation to make things convenient for the cleaning rod to pass the condensate, the one end of cleaning rod 3 is equipped with grab handle 31, and the other end is the toper, and is equipped with screw thread section 32. The recycling device 4 comprises a handle 41 and a recycling plate 42 arranged at one end of the handle, the handle 41 and the recycling plate 42 are vertically distributed, and the shape of the recycling plate 42 is adapted to the cross-sectional shape of the buffer chamber 2, that is, in the embodiment, the recycling plate is designed to be square, and usually, the handle is fixedly arranged at the center of the recycling plate.
The utility model discloses a theory of operation does, when twin-screw granulator evacuation system takes place blocking phenomenon, use the left evacuation branch pipe of clearance as an example, keep negative pressure device, twin-screw granulator normal operation, close the valve on the left evacuation branch pipe earlier, and take off the removable cover of left buffer chamber, shelve recovery unit's recovery board in left buffer chamber through the handle, and be located the below of left side evacuation branch pipe lower extreme, simultaneously, the recovery board also forms the shield to the left exhaust hole of twin-screw granulator. Opening left valve and left clearance valve, utilize the clearance stick to pass left clearance branch pipe, insert left evacuation branch pipe, and rotate, will adhere to the condensate on left evacuation branch pipe inner wall and valve and clear up, these condensate fall to the recovery board along evacuation branch pipe under the action of gravity, avoid these condensate to collect and lead to the fact the corruption to the buffering cavity, or fall back to twin-screw granulator and cause the product quality undulant, after finishing clearing up, take out the clearance stick, and close left clearance valve, left valve, take out recovery unit and to the condensate recycle who collects, then cover movable cover plate after, open left valve, accomplish the cleaning operation to this evacuation branch pipe promptly.
Claims (6)
1. The utility model provides a cleaning device of twin-screw granulator vacuum pumping system which characterized in that: comprises a plurality of cleaning branch pipes (1), a plurality of buffer chambers (2), a cleaning rod (3) and a recovery device (4),
the number of the cleaning branch pipes (1) is adapted to the number of the vacuumizing branch pipes of the vacuumizing system of the twin-screw granulator, one end of each cleaning branch pipe (1) is connected to the vacuumizing main pipe of the vacuumizing system of the twin-screw granulator and corresponds to the vacuumizing branch pipe, the other end of each cleaning branch pipe extends vertically upwards and is provided with a cleaning valve (5),
the number of the buffer chambers (2) is adapted to the number of the vacuumizing branch pipes of the vacuumizing system of the twin-screw granulator, the upper end of each buffer chamber (2) is open, and a movable cover plate (6) is arranged to shield the buffer chambers,
each buffer chamber (2) is fixed on the double-screw granulator and is evenly distributed along the length direction of the double-screw granulator, the side surface of each buffer chamber is connected with a vacuum pumping branch pipe corresponding to a vacuum pumping system of the double-screw granulator,
the diameter of the cleaning rod (3) is smaller than the inner diameter of a vacuum-pumping branch pipe of a vacuum-pumping system of the twin-screw granulator,
the recycling device (4) comprises a handle (41) and a recycling plate (42) arranged at one end of the handle, the handle (41) and the recycling plate (42) are vertically distributed, and the shape of the recycling plate (42) is adapted to the cross section shape of the buffer chamber (2).
2. The cleaning device of the vacuumizing system of the double-screw granulator according to claim 1, wherein: one end of the cleaning rod (3) is provided with a grab handle (31), and the other end of the cleaning rod is conical and is provided with a thread section (32).
3. The cleaning device of the vacuumizing system of the double-screw granulator according to claim 1, wherein: the upper end of the inner wall of the buffer chamber (2) is provided with a step (21), and the movable cover plate (6) is placed on the step and positioned.
4. The cleaning device of the vacuumizing system of the double-screw granulator according to claim 3, wherein: a handle (61) is arranged on the movable cover plate (6).
5. The cleaning device of the vacuumizing system of the double-screw granulator according to claim 1, wherein: the cross section of the buffer chamber (2) is square, and the recovery plate (42) is square.
6. The cleaning device of the vacuumizing system of the double-screw granulator according to claim 1, wherein: the cross section of the buffer chamber (2) is circular, and the shape of the recovery plate (42) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221041253.XU CN217144818U (en) | 2022-04-29 | 2022-04-29 | Cleaning device of double-screw granulator vacuum pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221041253.XU CN217144818U (en) | 2022-04-29 | 2022-04-29 | Cleaning device of double-screw granulator vacuum pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217144818U true CN217144818U (en) | 2022-08-09 |
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ID=82663133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221041253.XU Active CN217144818U (en) | 2022-04-29 | 2022-04-29 | Cleaning device of double-screw granulator vacuum pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217144818U (en) |
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2022
- 2022-04-29 CN CN202221041253.XU patent/CN217144818U/en active Active
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