CN209812917U - Self-cleaning and heat-preserving prepressing tank for foaming polyolefin - Google Patents
Self-cleaning and heat-preserving prepressing tank for foaming polyolefin Download PDFInfo
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- CN209812917U CN209812917U CN201920123182.XU CN201920123182U CN209812917U CN 209812917 U CN209812917 U CN 209812917U CN 201920123182 U CN201920123182 U CN 201920123182U CN 209812917 U CN209812917 U CN 209812917U
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Abstract
The utility model discloses a automatically cleaning, can keep warm and pre-compaction jar for foaming polyolefin, including a jar body, jar internal portion sets up the heat preservation shell, and jar external installation jar body fixing device sets up air inlet structure and pipeline of giving vent to anger on the jar body, and the air inlet structure is other to set up feed structure. The tank body is internally provided with a cleaning structure. The feeding structure comprises a feeding pipeline, the feeding pipeline is arranged on the tank body, and one end of the feeding pipeline is connected with the Roots blower. By adopting the utility model, operators do not need to enter the pressure tank to clean the tank body, and the production efficiency is obviously improved; the constant temperature of the beads in the pressure tank is ensured, the temperature uniformity in the tank body is improved, the later processing performance of the beads is improved, and the quality of a formed product is improved.
Description
Technical Field
The utility model belongs to the technical field of plastic bead processing, more specifically say, relate to a automatically cleaning, can keep warm foaming pre-compaction jar for polyolefin.
Background
The most widely used expanded polyolefins are primarily expanded polypropylene (EPP) and Expanded Polyethylene (EPE), both crystalline polymers. The EPP and EPE require pre-pressing of the beads before molding or secondary foaming, so that a certain internal pressure is maintained inside the polyolefin beads to facilitate molding or secondary foaming. At present, both polyolefin raw material manufacturers and forming manufacturers adopt common iron pressure tanks, and an air inlet, an exhaust port, a feed inlet, a discharge port and a tank cleaning personnel channel inlet are reserved. In the process of switching different bead products, people often need to drill into the pressure tank to clean the tank body, so as to prevent different products from mixing. And the common pressure tank does not have the heating or heat preservation function, and when the air temperature is lower, the beads need to be given a certain temperature when being pre-pressed in the pressure tank, so that the secondary processability of the beads is improved. Current methods generally increase the temperature of the environment surrounding the pressure tank or increase the temperature of the compressed air, but none of these methods ensure temperature uniformity of the beads at any location within the pressure tank.
Disclosure of Invention
The utility model aims at designing a prepressing tank for self-cleaning and heat-insulating foamed polyolefin, which does not need operators to enter a pressure tank cleaning tank body, and obviously improves the production efficiency; the constant temperature of the beads in the pressure tank is ensured, the temperature uniformity in the tank body is improved, the later processing performance of the beads is improved, and the quality of a formed product is improved.
According to the utility model provides a technical scheme: the utility model provides a self-cleaning, can keep warm and pre-compaction jar for foaming polyolefin, includes a jar body, jar internal portion sets up the heat preservation shell layer, jar external installation jar body fixing device, set up inlet structure and pipeline of giving vent to anger on the jar body, the other feeding structure that sets up of inlet structure.
As a further improvement, the tank body is internally provided with a cleaning structure.
As a further improvement, the feeding structure comprises a feeding pipeline, the feeding pipeline is installed on the tank body, and the Roots blower is connected to one end of the feeding pipeline.
As a further improvement, the air inlet structure with the cleaning structure is as an organic whole, including the admission line, the admission line is installed on the jar body, compressed air source is connected to admission line one end, the admission line other end is hugged closely and is set up the trachea.
As a further improvement of the utility model, the trachea body is provided with air holes.
As a further improvement of the utility model, the motor is connected in the air pipe transmission.
As a further improvement, the visual window is detachably mounted on one side of the tank body.
As a further improvement, the butterfly valve is installed at the bottom of the tank body.
As a further improvement of the utility model, the heat preservation shell layer is a foaming body of expanded polystyrene or expanded polypropylene.
As a further improvement, the tank body fixing device is a steel structure bracket.
Compared with the prior art, the utility model, have following advantage:
1. the utility model discloses simple structure easily realizes the energy saving.
2. The utility model discloses need not operating personnel and get into the overhead tank clearance jar body, show improvement production efficiency.
3. The utility model discloses ensure the bead constant temperature in the overhead tank, improve jar internal temperature homogeneity, improve the later stage processing property of bead, promote the quality of shaping finished piece.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In the figure 1, the device comprises a steel structure support 1, a tank body 2, a heat preservation shell layer 3, a safety valve 4, a Roots blower 5, a feeding pipeline 6, an air inlet pipeline 7, a motor 8, an air pipe 9, an air outlet pipeline 10, a butterfly valve 11 and a visual window 12.
As shown in figure 1, the utility model relates to a self-cleaning, can keep warm foaming pre-compaction jar for polyolefin, including jar body 2, jar body 2 material is the cast iron material of 5-8mm thickness, and the inside carbon content of this cast iron is in 3-4% within range.
The tank body 2 is internally provided with a heat preservation shell layer 3, the heat preservation shell layer 3 is a foaming body of foaming polystyrene or foaming polypropylene, and the heat conductivity coefficient is not higher than 0.03 mW/(m.k).
Jar body fixing device is installed outward to jar body 2, and jar body fixing device is steel structure support 1 in this embodiment, and steel structure support 1 is connected through welding or adapter with jar body 2. The upper part of the steel structure support 1 is a support supporting part, and the lower part is a support base. The support part of the support adopts a stainless steel square tube with the side length of 10cm, and the wall thickness of the square tube is 10-20 mm. The support base is a square stainless steel base with the thickness of 4-8cm, and four corners of the base are respectively provided with a hole for fixing the whole support on the concrete ground by screws.
The tank body 2 is provided with an air inlet structure and an air outlet pipeline 10, and a feeding structure is arranged beside the air inlet structure.
In order to clean the tank body 2 more quickly after pre-pressing, a cleaning structure is arranged in the tank body 2.
The feeding structure comprises a feeding pipeline 6, the feeding pipeline 6 vertically penetrates through the top of the tank body 2, and the Roots blower 5 is connected to the upper end of the feeding pipeline 6. The feeding pipeline 6 is a stainless steel pipeline with the diameter of 8-15cm and the wall thickness of 2-3 mm.
In the embodiment, the air inlet structure and the cleaning structure are integrated, and the air inlet structure comprises an air inlet pipeline 7, wherein the air inlet pipeline 7 is a stainless steel pipeline with the diameter of 2-4cm and the wall thickness of 2-3 mm. An air inlet pipeline 7 vertically penetrates through the top of the tank body 2, one end of the air inlet pipeline 7 is connected with a compressed air source, the other end of the air inlet pipeline is tightly attached with an air pipe 9, and the wall thickness of the air pipe 9 is 1-1.5mm, and the diameter is 2-5 cm. The air pipe 9 is arranged in parallel with the length direction of the tank body 2, so that the air in the tank body 2 is uniformly distributed. The upper pipe body and the pipe tail of the air pipe 9 are densely distributed with air holes with the diameter of 1mm, so that the whole body in the tank body 2 is ventilated simultaneously. In order to increase the gas flow of the tank body 2, the uniformity is better, a motor 8 is arranged in the tank body 2, the motor 8 is connected with a gas pipe 9 through transmission of gears and the like, the gas pipe 9 is driven to rotate, and the motor 8 is a micro motor in the embodiment.
Visual window 12 can be dismantled at jar body 2 one side and installation, the working condition of the inside of the convenient observation jar body 2, and visual window 12 is the circular structure of diameter 50-80 cm.
The butterfly valve 11 is installed at the bottom of the tank body 2, so that the discharging speed after pre-pressing can be conveniently controlled.
The utility model discloses an installation work process as follows: and starting the Roots blower 5 to inject the beads into the tank body 2 through the feeding pipeline 6, and controlling the temperature of an air source to be within the range of 50-60 ℃ when the Roots blower 5 blows and feeds the beads, so as to ensure that the beads are at a proper pre-pressing temperature when entering the tank body 2. The insulating shell 3 in the tank 2 ensures that the beads are kept at a constant temperature for 20 hours. Then, compressed air is led to the air pipe 9 from the air inlet pipeline 7, the motor 8 drives the air pipe 9 to rotate, the compressed air is rotationally discharged from air holes of the air pipe 9, and the beads are pre-pressed, so that certain internal pressure is kept inside the polyolefin beads, and molding or secondary foaming is facilitated. When the pre-pressing is completed, the butterfly valve is opened and the beads are discharged from the tank 2.
And for the beads adhered in the tank body, compressed air is led to the air pipe 9 from the air inlet pipeline 7 again, the motor 8 drives the air pipe 9 to rotate, the compressed air is discharged from the air holes of the air pipe 9 in a rotating mode, the beads adhered in the tank body are blown up, the beads fall down from the self gravity and the bottom of the tank body 2, and the butterfly valve 11 is opened, so that the beads can be discharged by the pressure in the tank body.
Claims (10)
1. The utility model provides a automatically cleaning, foaming polyolefin that can keep warm is with pre-compaction jar which characterized in that: the pre-compaction jar is including a jar body (2), jar body (2) inside sets up heat preservation shell layer (3), jar body (2) outer installation jar body fixing device, set up air inlet structure and pipeline of giving vent to anger (10) on jar body (2), the other feeding structure that sets up of air inlet structure.
2. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 1, wherein: a cleaning structure is arranged in the tank body (2).
3. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 1, wherein: the feeding structure comprises a feeding pipeline (6), the feeding pipeline (6) is installed on the tank body (2), and one end of the feeding pipeline (6) is connected with the Roots blower (5).
4. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 2, wherein: the air inlet structure with the cleaning structure is as an organic whole, and comprises an air inlet pipeline (7), the air inlet pipeline (7) is installed on the tank body (2), a compressed air source is connected to one end of the air inlet pipeline (7), and an air pipe (9) is tightly attached to the other end of the air inlet pipeline (7).
5. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 4, wherein: the air hole is arranged on the body of the air pipe (9).
6. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 4, wherein: the air pipe (9) is in transmission connection with the motor (8).
7. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 1, wherein: visual window (12) can be detachably mounted on one side of the tank body (2).
8. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 1, wherein: the bottom of the tank body (2) is provided with a butterfly valve (11).
9. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 1, wherein: the heat-insulating shell layer (3) is a foaming body of expanded polystyrene or expanded polypropylene.
10. The pre-compressed tank for self-cleaning, thermally insulating, foamed polyolefin of claim 1, wherein: the tank body fixing device is a steel structure bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123182.XU CN209812917U (en) | 2019-01-24 | 2019-01-24 | Self-cleaning and heat-preserving prepressing tank for foaming polyolefin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123182.XU CN209812917U (en) | 2019-01-24 | 2019-01-24 | Self-cleaning and heat-preserving prepressing tank for foaming polyolefin |
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| Publication Number | Publication Date |
|---|---|
| CN209812917U true CN209812917U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920123182.XU Active CN209812917U (en) | 2019-01-24 | 2019-01-24 | Self-cleaning and heat-preserving prepressing tank for foaming polyolefin |
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| CN (1) | CN209812917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605121A (en) * | 2020-06-17 | 2020-09-01 | 汪红 | Foaming material preparation foaming stirred tank |
| CN111660487A (en) * | 2020-06-17 | 2020-09-15 | 汪红 | Stirring preparation process of foaming material |
-
2019
- 2019-01-24 CN CN201920123182.XU patent/CN209812917U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605121A (en) * | 2020-06-17 | 2020-09-01 | 汪红 | Foaming material preparation foaming stirred tank |
| CN111660487A (en) * | 2020-06-17 | 2020-09-15 | 汪红 | Stirring preparation process of foaming material |
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