CN219114733U - Hot air self-circulation structure of screw granulator - Google Patents
Hot air self-circulation structure of screw granulator Download PDFInfo
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- CN219114733U CN219114733U CN202222991901.4U CN202222991901U CN219114733U CN 219114733 U CN219114733 U CN 219114733U CN 202222991901 U CN202222991901 U CN 202222991901U CN 219114733 U CN219114733 U CN 219114733U
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- screw granulator
- gas pipeline
- electric heating
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
According to the hot air self-circulation structure of the screw granulator, the electric heating plates and the temperature sensors are arranged in each jacket, the lower part of each jacket is connected with the corresponding electromagnetic valve, the electromagnetic valve is located on the branch of the gas pipeline, the branch of the gas pipeline is connected with the main pipe of the gas pipeline, the main pipe of the gas pipeline is provided with the air pump, the output end of the air pump is connected with the input end of the feeding bin, the upper end of each jacket is provided with the air valve, the temperature sensors are connected with the air valve, the electric heating plates and the electromagnetic valve, when the temperature set by the temperature sensors is exceeded, the air valve and the electromagnetic valve are opened, cold air entering through the air valve cools the electric heating plates, meanwhile, redundant heat on the electric heating plates is opened through the electromagnetic valve, and is transmitted to the feeding bin after being recovered through high-temperature air flow of the Roots pump, waste heat of the high-temperature air flow is secondarily utilized, and the heat energy conversion efficiency is effectively improved.
Description
Technical Field
The utility model relates to the technical field of screw granulator machinery, in particular to a hot air self-circulation structure of a screw granulator.
Background
Screw pelletizers are commonly used to heat or melt a fixed input material (e.g., plastic, or thermoplastic material) and extrude the material in a flowable or melted state; extruded or exported materials are melt blown onto a web-forming conveyor belt through a nozzle die and are widely used in the field of diffuser plate production.
The screw granulator is provided with the stirring unit, the heating device is arranged in the stirring unit, when the heating device heats, the temperature of the stirring unit rises along with the stirring unit, when the temperature rises to exceed the set temperature, external cold air is discharged, the stirring unit is cooled, then a large amount of energy is wasted due to redundant heat, and whether the redundant heat can recycle materials in the material adding bin or not is a problem to be solved at present.
Disclosure of Invention
Aiming at the situation, in order to solve the problem that whether the redundant heat can be used for recycling materials in a material adding bin or not, the hot air self-circulation structure of the screw granulator is provided with the electric heating plates and the temperature sensors in each jacket, the lower part of each jacket is connected with the corresponding electromagnetic valve, the electromagnetic valve is positioned on the branch of the gas pipeline, the branch of the gas pipeline is connected with the main pipe of the gas pipeline, the main pipe of the gas pipeline is provided with the air extracting pump, the output end of the air extracting pump is connected with the input end of the material adding bin, the upper end of each jacket is provided with the air valve, the temperature sensors are connected with the air valve, the electric heating plates and the electromagnetic valve, when the temperature set by the temperature sensors is exceeded, the air valve and the electromagnetic valve are opened, cold air entering through the air valve cools the electric heating plates, meanwhile, the redundant heat on the electric heating plates is opened through the electromagnetic valve, and is recovered through high-temperature air flow of the Roots pump and then transmitted to the material adding bin, the waste heat of the high-temperature air flow is secondarily utilized, and the heat energy conversion efficiency is effectively improved.
The utility model provides a hot-blast self-loopa structure of screw granulator, by adding feed bin 1, first order twin-screw granulator 2 and second order twin-screw granulator 3 constitution, the discharge gate that adds feed bin 1 is linked together with the feed inlet of first order twin-screw granulator 2, and the discharge gate of first order twin-screw granulator 2 is linked together with the feed inlet of second order twin-screw granulator 3, and the outer wall of first order twin-screw granulator 2 is fixed to have cup jointed the overcoat of establishing ties, its characterized in that: be equipped with electric plate 4 and temperature sensor 5 in every overcoat 9, the lower part of every overcoat 9 is connected with corresponding solenoid valve 6, solenoid valve 6 is located the branch of gas pipeline, and the branch of place gas pipeline connects the person in charge of gas pipeline, be equipped with aspiration pump 7 on the person in charge of gas pipeline, the input of adding feed bin 1 is connected to the output of aspiration pump 7, every overcoat 9 upper end is equipped with air valve 8, electric plate 4 and solenoid valve 6 are connected to temperature sensor 5.
Further, the lower part of the first-stage twin-screw granulator 2 is connected with a branch of a gas pipeline, and the electromagnetic valve 6 is positioned on the gas pipeline.
Further, the electric heating plate 4 is composed of a plurality of groups of electric heating pipes, and air passes through the outer surfaces of the electric heating pipes to cool the electric heating pipes.
Further, an electric heating plate 4 is fixed to the side of the first-stage twin-screw granulator 2.
Further, the air pump 7 is a Roots pump, and the Roots pump is fixed on the main frame body at the lower part of the first-stage twin-screw extruder.
Further, the output end of the Roots pump is connected with a main pipe of the gas pipeline, and is connected with the input end of the feeding bin 1 through the gas pipeline.
Further, the gas pipeline is filled with filter cotton; this arrangement allows for the presence of a stronger odour due to the inclusion of large particulate molecules of molten raw materials in the hot gas during the recovery of the hot gas, which is directed directly to the heating means without treatment, can deposit on the surface of the heating means, is not easy to clean, and poses a threat to the health of the operators.
Further, the temperature sensor 5 is a thermistor temperature sensor 5.
The beneficial effects of the utility model are as follows: according to the hot air self-circulation structure of the screw granulator, the electric heating plates 4 and the temperature sensors 5 are arranged in each jacket 9, the lower part of each jacket 9 is connected with the corresponding electromagnetic valve 6, the electromagnetic valve 6 is positioned on a branch of a gas pipeline, the branch of the gas pipeline is connected with a main pipe of the gas pipeline, the main pipe of the gas pipeline is provided with the air pump 7, the output end of the air pump 7 is connected with the input end of the feeding bin 1, the upper end of each jacket 9 is provided with the air valve 8, the temperature sensors 5 are connected with the air valve 8, the electric heating plates 4 and the electromagnetic valve 6, when the temperature set by the temperature sensors 5 is exceeded, the air valve 8 and the electromagnetic valve 6 are opened, cold air entering through the air valve 8 cools the electric heating plates 4, meanwhile, redundant heat on the electric heating plates 4 is recovered through high-temperature air flow of the electromagnetic valve 6 and then is transmitted to the feeding bin 1, the waste heat of the high-temperature air flow is utilized for the second time, and the heat energy conversion efficiency is effectively improved.
Drawings
Fig. 1 is a schematic structural view of a hot air self-circulation structure of a screw granulator.
And (3) main component description:
| add |
1 |
| First-stage double- |
2 |
| Second-stage double- |
3 |
| |
4 |
| |
5 |
| |
6 |
| |
7 |
| Air valve | 8 |
| |
9 |
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
As shown in fig. 1, a schematic structural diagram of a hot air self-circulation structure of the screw granulator is shown.
The utility model provides a hot-blast self-loopa structure of screw granulator, by adding feed bin 1, first order twin-screw granulator 2 and second order twin-screw granulator 3 constitution, the discharge gate that adds feed bin 1 is linked together with the feed inlet of first order twin-screw granulator 2, and the discharge gate of first order twin-screw granulator 2 is linked together with the feed inlet of second order twin-screw granulator 3, and the outer wall of first order twin-screw granulator 2 is fixed to have cup jointed the overcoat of establishing ties, its characterized in that: be equipped with electric plate 4 and temperature sensor 5 in every overcoat 9, the lower part of every overcoat 9 is connected with corresponding solenoid valve 6, solenoid valve 6 is located the branch of gas pipeline, and the branch of place gas pipeline connects the person in charge of gas pipeline, be equipped with aspiration pump 7 on the person in charge of gas pipeline, the input of adding feed bin 1 is connected to the output of aspiration pump 7, every overcoat 9 upper end is equipped with air valve 8, electric plate 4 and solenoid valve 6 are connected to temperature sensor 5.
The lower part of the first-stage twin-screw granulator 2 is connected with a branch of a gas pipeline, and the electromagnetic valve 6 is positioned on the gas pipeline.
The electric heating plate 4 is composed of a plurality of groups of electric heating pipes, and air passes through the outer surfaces of the electric heating pipes to cool the electric heating pipes.
The electric heating plate 4 is fixed on the side surface of the first-stage double-screw granulator 2.
The air pump 7 is a Roots pump, and the Roots pump is fixed on a main frame body at the lower part of the first-stage twin-screw extruder.
The output end of the Roots pump is connected with a main pipe of a gas pipeline, and is connected with the input end of the feeding bin 1 through the gas pipeline.
The gas pipeline is internally filled with filter cotton; this arrangement allows for the presence of a stronger odour due to the inclusion of large particulate molecules of molten raw materials in the hot gas during the recovery of the hot gas, which is directed directly to the heating means without treatment, can deposit on the surface of the heating means, is not easy to clean, and poses a threat to the health of the operators.
The temperature sensor 5 is a thermistor temperature sensor 5.
The beneficial effects of the utility model are as follows: according to the hot air self-circulation structure of the screw granulator, the electric heating plates 4 and the temperature sensors 5 are arranged in each jacket 9, the lower part of each jacket 9 is connected with the corresponding electromagnetic valve 6, the electromagnetic valve 6 is positioned on a branch of a gas pipeline, the branch of the gas pipeline is connected with a main pipe of the gas pipeline, the main pipe of the gas pipeline is provided with the air pump 7, the output end of the air pump 7 is connected with the input end of the feeding bin 1, the upper end of each jacket 9 is provided with the air valve 8, the temperature sensors 5 are connected with the air valve 8, the electric heating plates 4 and the electromagnetic valve 6, when the temperature set by the temperature sensors 5 is exceeded, the air valve 8 and the electromagnetic valve 6 are opened, cold air entering through the air valve 8 cools the electric heating plates 4, meanwhile, redundant heat on the electric heating plates 4 is recovered through high-temperature air flow of the electromagnetic valve 6 and then is transmitted to the feeding bin 1, the waste heat of the high-temperature air flow is utilized for the second time, and the heat energy conversion efficiency is effectively improved.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The utility model provides a hot-blast self-loopa structure of screw granulator, by reinforced storehouse (1), first order twin-screw granulator (2) and second order twin-screw granulator (3) are constituteed, the discharge gate of reinforced storehouse (1) is linked together with the feed inlet of first order twin-screw granulator (2), the discharge gate of first order twin-screw granulator (2) is linked together with the feed inlet of second order twin-screw granulator (3), the outer wall of first order twin-screw granulator (2) is fixed to have cup jointed the overcoat of establishing ties, its characterized in that: be equipped with electric plate (4) and temperature sensor (5) in every overcoat (9), the lower part of every overcoat (9) is connected with corresponding solenoid valve (6), solenoid valve (6) are located gas pipeline's branch, and the branch connection gas pipeline of place gas pipeline is responsible for, be equipped with aspiration pump (7) on the gas pipeline's the person in charge, the input of feeding bin (1) is connected to the output of aspiration pump (7), every overcoat (9) upper end is equipped with air valve (8), electric plate (4) and solenoid valve (6) are connected to temperature sensor (5).
2. The hot air self-circulation structure of a screw granulator according to claim 1, wherein: the lower part of the first-stage double-screw granulator (2) is connected with a branch of a gas pipeline, and the electromagnetic valve (6) is positioned on the gas pipeline.
3. The hot air self-circulation structure of a screw granulator according to claim 1, wherein: the electric heating plate (4) is composed of a plurality of groups of electric heating pipes, and air passes through the outer surfaces of the electric heating pipes to cool the electric heating pipes.
4. The hot air self-circulation structure of a screw granulator according to claim 1, wherein: the electric heating plate (4) is fixed on the side surface of the first-stage double-screw granulator (2).
5. The hot air self-circulation structure of a screw granulator according to claim 1, wherein: the air pump (7) is a Roots pump which is fixed on the main frame body at the lower part of the first-stage twin-screw extruder.
6. The hot air self-circulation structure of a screw granulator according to claim 1, wherein: the output end of the Roots pump is connected with a main pipe of a gas pipeline, and is connected with the input end of a feeding bin (1) through the gas pipeline.
7. The hot air self-circulation structure of a screw granulator according to claim 1, wherein: the gas pipeline is filled with filter cotton.
8. The hot air self-circulation structure of a screw granulator according to claim 1, wherein: the temperature sensor (5) is a thermistor temperature sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222991901.4U CN219114733U (en) | 2022-11-10 | 2022-11-10 | Hot air self-circulation structure of screw granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222991901.4U CN219114733U (en) | 2022-11-10 | 2022-11-10 | Hot air self-circulation structure of screw granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219114733U true CN219114733U (en) | 2023-06-02 |
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ID=86525625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222991901.4U Active CN219114733U (en) | 2022-11-10 | 2022-11-10 | Hot air self-circulation structure of screw granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219114733U (en) |
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2022
- 2022-11-10 CN CN202222991901.4U patent/CN219114733U/en active Active
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