CN210705956U - Novel high-efficient twin-screw extruder concentrates vacuum pumping system - Google Patents
Novel high-efficient twin-screw extruder concentrates vacuum pumping system Download PDFInfo
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- CN210705956U CN210705956U CN201921561906.5U CN201921561906U CN210705956U CN 210705956 U CN210705956 U CN 210705956U CN 201921561906 U CN201921561906 U CN 201921561906U CN 210705956 U CN210705956 U CN 210705956U
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Abstract
The utility model discloses a novel high-efficiency centralized vacuum pumping system of a double-screw extruder, which comprises a machine table buffer tank, a main buffer tank, a vacuum pump unit and a cold water circulating system, wherein one end of the machine table buffer tank is connected with a vacuum port of the double-screw extruder; the other end of the main buffer tank is connected to a main buffer tank, and the main buffer tank is connected with a vacuum pump unit; the cold water circulating system comprises a cooling circulating water tank, a coil pipe, a water inlet pipe, a water outlet pipe and a cold water circulating pump; the cooling circulating water tank is connected to a circulating water pipe of the vacuum pump; the coil pipe is fixed in the cooling circulation water tank, the water inlet pipe and the water outlet pipe are connected to two ends of the coil pipe, and then the water inlet pipe and the water outlet pipe are respectively connected to the cold water circulation pump. The utility model discloses can obviously improve the efficiency of evacuation, improve the smell, reduce the production of gas pocket, improve the vacuum pipe blockage, water cyclic utilization, easy maintenance reduces cost of maintenance and improves the poor scheduling problem of environment.
Description
Technical Field
The utility model relates to a vacuum pumping system for mechanical equipment.
Background
Thermoplastic Elastomer (TPE), referred to as "third generation synthetic rubber" for short, due to its properties of both plastic and rubber. With the continuous improvement of human environmental awareness, the demand for limiting the use of PVC in foreign countries is rising day by day, and the consumption of TPE is also promoted to increase rapidly, so that the application prospect of TPE is very considerable.
During the melting, shearing, extruding and mixing processes between the screw and the barrel of the double-screw extruder, a lot of gases (water gas and low molecular substances) are generated, if the gases are not removed in time, the materials are easily degraded, the performance is deteriorated, the internal and external quality of the product is reduced, and meanwhile, the produced master batches have small air holes and more powder scraps, so that the quality is influenced. The screw design at the air outlet makes the material in a decompression state, which is favorable for the expansion and the escape of gas, thereby ensuring the product quality.
Traditional twin-screw extruder, evacuation is that a machine joins in marriage a set of vacuum system, because aircraft nose pressure increases in process of production, vacuum port fused material or other debris are inhaled the vacuum tank among the vacuum system easily, also are difficult to avoid can inhaling the vacuum pump in, cause the performance of vacuum pump more and more poor or even unable work very easily, cause bigger problem for production, simultaneously also relatively waste resources. Therefore, it is necessary to design a centralized vacuum-pumping device suitable for thermoplastic elastomer materials such as TPR/TPE/TPU.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel evacuation system is concentrated to high-efficient twin-screw extruder can solve one or more among the above-mentioned technical problem.
In order to achieve the above object, the present invention provides the following technical solutions:
a novel high-efficiency centralized vacuumizing system of a double-screw extruder comprises a machine table buffer tank, a main buffer tank, a vacuum pump unit and a cold water circulating system, wherein one end of the machine table buffer tank is connected with a vacuum port of the double-screw extruder; the other end of the main buffer tank is connected to a main buffer tank, and the main buffer tank is connected with a vacuum pump unit; the cold water circulating system comprises a cooling circulating water tank, a coil pipe, a water inlet pipe, a water outlet pipe and a cold water circulating pump; the cooling circulating water tank is connected to a circulating water pipe of the vacuum pump; the coil pipe is fixed in the cooling circulation water tank, the water inlet pipe and the water outlet pipe are connected to two ends of the coil pipe, and then the water inlet pipe and the water outlet pipe are respectively connected to the cold water circulation pump.
The whole centralized vacuum-pumping system is divided into a vacuum unit control system, a cooling circulating water pump system, a production line and a machine table buffer tank system.
The utility model discloses a novel high-efficient evacuation system of concentrating replaces the condition of a quick-witted (twin-screw extruder) a vacuum pump that uses in the trade at present, has obviously improved the efficiency and the stability of evacuation, improves the smell, reduces the production of gas pocket, improves the vacuum pipe blockage, and water cyclic utilization, easy maintenance reduces cost of maintenance and improves the poor scheduling problem of environment.
And a circulating water tank cools circulating water in the vacuum pump through a coil pipe.
Further: the vacuum pump unit is at least provided with one vacuum pump, and the vacuum pumps are connected in parallel to the main buffer tank. The number of the vacuum pumps of the unit is set according to the requirement of vacuum pumping, at least two vacuum pumps are usually arranged for replacement, and in addition, the control of each vacuum pump can be controlled manually or through a controller, which is not limited herein.
The first part vacuum unit control system adopts a one-out-eight mode, the vacuum pump adopts a two-in-one mode for preparing the need from time to time, and the control system adopts a manual control system.
Further: and the plurality of machine table buffer tanks are connected in parallel. Not only can realize centralized vacuum pumping, but also can ensure that each double-screw extruder can work independently.
Further: the pipeline connections at the above parts are connected through a buckle. The pipeline connection adopts the buckle formula to connect, makes things convenient for the dismouting clearance.
Further: the top is a spherical cover which is hinged with the tank body; the main buffer tank is provided with an air inlet at the bottom and an air outlet at the upper part; a water outlet is arranged on one side of the air inlet; an observation mirror is arranged on the tank body; the main buffer tank is filled with water, and the water level is lower than the air outlet. The buffer tank is filled with water, so that the filtering is convenient, and the tank is provided with a water outlet and an observation mirror. Can observe the water quality condition in the tank body during normal use. One end of the pot is a sphere, and the whole side of the pot is open, so that the pot is very convenient to clean.
Further: and the cooling circulating water system and the vacuum unit control system are installed outside the plant. This can significantly reduce the noise of the whole workshop.
The technical effects of the utility model are that:
the utility model discloses can obviously improve the efficiency of evacuation, improve the smell, reduce the production of gas pocket, improve the vacuum pipe blockage, water cyclic utilization, easy maintenance reduces cost of maintenance and improves the poor scheduling problem of environment.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a main surge tank;
in the above drawings: the device comprises a double-screw extruder 1, a machine table buffer tank 2, a main buffer tank 3, a spherical cover 31, an air inlet 32 and an air outlet 34; a water discharge port 33; a sight glass 35; a vacuum pump unit 4, a vacuum pump exhaust pipe 41; cooling circulation water tank 5, vacuum pump cooling inlet 51, vacuum pump cooling outlet 52, coil 6 and cold water circulation pump 61.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only intended to explain the invention, but not to limit the invention in a proper manner.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A novel high-efficiency centralized vacuumizing system of a double-screw extruder comprises a machine table buffer tank 2, a main buffer tank 3, a vacuum pump unit 4 and a cold water circulating system, wherein one end of the machine table buffer tank is connected with a vacuum port of the double-screw extruder 1; the other end is connected to a main buffer tank, and a plurality of machine table buffer tanks 2 are connected in parallel. The main buffer tank 3 is connected with a vacuum pump unit 4; the vacuum pump unit 4 is at least provided with two vacuum pumps, and the vacuum pumps are connected in parallel to the main buffer tank 3.
The cold water circulating system comprises a cooling circulating water tank 5, a coil pipe, a water inlet pipe, a water outlet pipe and a cold water circulating pump; the cooling circulation water tank is connected to a circulation water pipe (vacuum pump cooling inlet water 51 and vacuum pump cooling outlet water 52) of a vacuum pump; the coil 6 is fixed in the cooling circulation water tank, and the water inlet pipe and the water outlet pipe are connected to two ends of the coil and then respectively connected to the cold water circulation pump 61. The pipeline connections at the above parts are connected through a buckle.
The top part is a spherical cover 31 which is hinged with the tank body; the main buffer tank is provided with an air inlet 32 at the bottom and an air outlet 34 at the upper part; a drain port 33 is provided on one side of the air inlet 32; an observation mirror 35 is arranged on the tank body; the main buffer tank is filled with water, and the water level is lower than the air outlet 32.
And the cooling circulating water system and the vacuum unit control system are installed outside the plant.
The system is mainly used for producing thermoplastic elastomer materials such as TPR/TPE/TPU and the like, effectively improves the stability of products, can obviously improve the efficiency of vacuumizing, improves the smell, reduces the generation of air holes, improves the blockage of a vacuum pipeline, recycles water, is convenient to maintain, reduces the maintenance cost, improves the problem of poor environment and the like. The centralized vacuumizing mode is adopted to replace the prior one-machine-one-machine operation mode, so that the efficiency can be obviously improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel high-efficient twin-screw extruder concentrates evacuation system which characterized in that: the machine comprises a machine table buffer tank, a main buffer tank, a vacuum pump unit and a cold water circulating system, wherein one end of the machine table buffer tank is connected with a vacuum port of a double-screw extruder; the other end of the main buffer tank is connected to a main buffer tank, and the main buffer tank is connected with a vacuum pump unit;
the cold water circulating system comprises a cooling circulating water tank, a coil pipe, a water inlet pipe, a water outlet pipe and a cold water circulating pump; the cooling circulating water tank is connected to a circulating water pipe of the vacuum pump; the coil pipe is fixed in the cooling circulation water tank, the water inlet pipe and the water outlet pipe are connected to two ends of the coil pipe, and then the water inlet pipe and the water outlet pipe are respectively connected to the cold water circulation pump.
2. The novel high-efficiency centralized vacuum pumping system of the twin-screw extruder as claimed in claim 1, wherein: the vacuum pump unit is at least provided with one vacuum pump, and the vacuum pumps are connected in parallel to the main buffer tank.
3. The novel high-efficiency centralized vacuum pumping system of the twin-screw extruder as claimed in claim 1, wherein: and the plurality of machine table buffer tanks are connected in parallel.
4. The novel high-efficiency centralized vacuum pumping system of the twin-screw extruder as claimed in claim 1, wherein: the pipeline connections at the above parts are connected through a buckle.
5. The novel high-efficiency centralized vacuum pumping system of the twin-screw extruder as claimed in claim 1, wherein: the top of the main buffer tank is a spherical cover, and the spherical cover is hinged with the tank body; the main buffer tank is provided with an air inlet at the bottom and an air outlet at the upper part; a water outlet is arranged on one side of the air inlet; an observation mirror is arranged on the tank body; the main buffer tank is filled with water, and the water level is lower than the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921561906.5U CN210705956U (en) | 2019-09-19 | 2019-09-19 | Novel high-efficient twin-screw extruder concentrates vacuum pumping system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921561906.5U CN210705956U (en) | 2019-09-19 | 2019-09-19 | Novel high-efficient twin-screw extruder concentrates vacuum pumping system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458578A (en) * | 2020-11-09 | 2022-05-10 | 青岛海湾精细化工有限公司 | Vacuum pump system |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458578A (en) * | 2020-11-09 | 2022-05-10 | 青岛海湾精细化工有限公司 | Vacuum pump system |
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