Composite gasket with filtering device

Abstract

The utility model relates to the technical field of composite gaskets, and discloses a composite gasket with a filter device, which comprises an oil pipeline, a granulation template and a filter screen, the filter screen is arranged at the junction of the oil pipeline and the granulation template, a metal ring is arranged on the outer surface of the filter screen, a graphite winding belt is arranged on the outer surface of the metal ring, and the graphite winding belt is arranged on the outer surface of the metal ring. According to the composite gasket with the filter device, the metal ring with the filter screen and the graphite winding belt are placed at an oil inlet of a granulation template, the filter screen is used for filtering heat conduction oil entering the granulation template, and the graphite winding belt is made of a graphite piece, polytetrafluoroethylene, asbestos-free pieces and asbestos pieces which are alternately overlapped and spirally wound. Therefore, the effects that the foreign matters are prevented from entering the granulation template to block the hot oil channel, so that the granulation template is heated unevenly, and the influence on the granulation work of the extrusion granulator is reduced are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite gasket technical field, specifically is a composite gasket with filter device. BACKGROUND

[0002] The gasket is made of paper, rubber sheet or copper sheet, is placed between two planes to strengthen the sealing material, is arranged between the static sealing surface to prevent fluid leakage sealing element, underwater pelletizing system as an advanced technology is valued and applied increasingly in polymer pelletizing processing, there are many reasons for causing uneven heating of the template, the foreign matter entering the template interior and blocking the heat conduction oil channel is one of the main factors, the long-term circulation work of the heat conduction oil can also oxidize and produce oil sludge, deposit at the end of the pipeline or joint, there is the possibility of entering the template interior along with the heat conduction oil, and the heat conduction oil channel is continuously accumulated, and the heat conduction oil channel is finally blocked, resulting in uneven heating of the template.

[0003] At present, composite gaskets are arranged at the connection of oil line and pelletizing template, the existing composite gaskets are relatively simple, and it is difficult to reduce the problem of uneven heating of the template caused by the entry of foreign matter. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a composite gasket with a filtering device to solve the problem of uneven heating of the template caused by the entry of foreign matter in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a composite gasket with a filtering device, comprising an oil line, a pelletizing template and a filter screen, the filter screen is arranged at the intersection of the oil line and the pelletizing template, the outer surface of the filter screen is provided with a metal ring, the outer surface of the metal ring is provided with a graphite winding belt, the graphite winding belt is formed by alternately and spirally winding a graphite piece, polytetrafluoroethylene, non-asbestos and asbestos piece.

[0006] Preferably, the outer surface of the oil line is fixedly provided with a first connecting flange, the outer surface of the pelletizing template is fixedly provided with a second connecting flange, the outer surface of the first connecting flange is provided with a fixing bolt, and the first connecting flange is fixedly connected with the second connecting flange through the fixing bolt.

[0007] Preferably, the graphite winding belt is internally connected with a metal winding pad, and the base sealing element of the metal winding pad is formed by alternately winding a plurality of specially shaped continuous V-shaped metal belts and soft filling materials.

[0008] Preferably, the filter screen is made of SUS304 stainless steel filter screen, and the filter screen is connected with the metal ring by laser spot welding.

[0009] Preferably, the metal winding pad is fixedly welded to the outer surface of the metal ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The composite gasket with the filtering device places the metal ring with the filter screen and the graphite winding belt at the oil inlet position of the granulating template, the filter screen filters the heat conducting oil entering the interior of the granulating template, thereby preventing foreign matters from entering the interior of the granulating template to block the heat oil channel, causing the granulating template to be unevenly heated, and reducing the effect of affecting the granulating work of the extruding granulator.

[0012] 2. The composite gasket with the filtering device is fixedly connected by the fixing bolt, the graphite winding belt, the metal ring and the filter screen are fixedly connected at the intersection of the oil line and the granulating template, thereby facilitating the dismounting and replacement of the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0014] Figure 2 It is a front view schematic view of the utility model structure;

[0015] Figure 3 It is a structure schematic view of the utility model;

[0016] Figure 4 It is a structure schematic view of the utility model.

[0017] In the drawing: 1, oil line; 2, granulating template; 3, No. 1 connecting flange; 4, No. 2 connecting flange; 5, fixing bolt; 6, graphite winding belt; 7, metal ring; 8, filter screen; 9, graphite piece; 10, polytetrafluoroethylene; 11, non-asbestos; 12, asbestos piece. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Embodiment 1:

[0020] Please refer to Figures 1-4.

[0021] A composite gasket with a filter device includes an oil pipeline 1, a granulation template 2, and a filter screen 8. The filter screen 8 is located at the intersection of the oil pipeline 1 and the granulation template 2. A metal ring 7 is provided on the outer surface of the filter screen 8, and a graphite winding tape 6 is provided on the outer surface of the metal ring 7. The graphite winding tape 6 is formed by alternating and overlapping spiral winding of graphite parts 9, polytetrafluoroethylene 10, asbestos-free parts 11, and asbestos parts 12.

[0022] Specifically, by placing the metal ring 7 with the filter screen 8 and the graphite winding belt 6 at the oil inlet of the granulation template 2, the filter screen 8 filters the heat transfer oil entering the granulation template 2, thereby preventing foreign objects from entering the granulation template 2 and blocking the hot oil channel, causing uneven heating of the granulation template 2, and reducing the impact on the granulation work of the extrusion granulator.

[0023] In the embodiment: the graphite winding tape 6 is internally wound with a metal winding pad, and the basic sealing element of the metal winding pad is formed by several layers of specially shaped continuous V-shaped metal tapes and soft filler material being wound alternately.

[0024] Specifically, the graphite spiral wound tape 6 has a metal spiral wound gasket internally wound. The base sealing element of the metal spiral wound gasket is composed of several layers of specially shaped continuous V-shaped metal strips alternately wound with soft filler material. The V-shaped structure allows the sealing gasket to act as a spring, and through careful control, the sealing element has optimal compression and rebound characteristics. A metal inner ring can be added to the base sealing element to increase the mechanical and sealing performance of the gasket.

[0025] In this embodiment: the filter screen is made of SUS304 stainless steel filter screen 8, and the filter screen and the metal ring 7 are connected by laser spot welding.

[0026] Specifically, the filter screen is made of SUS304 stainless steel filter screen 8, and the filter screen 8 is connected to the metal ring 7 by laser spot welding, making the structure more robust and durable.

[0027] In the embodiment: the metal spiral wound pad is fixedly spot welded to the outer surface of the metal ring 7.

[0028] Working principle: The filter screen 8 is located at the intersection of the oil pipeline 1 and the granulation template 2. The outer surface of the filter screen 8 is provided with a metal ring 7, and the outer surface of the metal ring 7 is provided with a graphite winding tape 6. The graphite winding tape 6 is made of graphite parts 9, polytetrafluoroethylene 10, asbestos-free parts 11, and asbestos parts 12, which are alternately overlapped and spirally wound to achieve corrosion resistance, high temperature resistance, high strength, good compressive elasticity, and strong wear resistance and pressure resistance. The graphite winding tape 6 can be used for various media, such as water, oil, acid, alkali, etc., and has a wide range of applications. It is convenient and practical. The filter screen 8 filters the heat transfer oil entering the granulation template 2. Compared with related technologies, the composite gasket with a filter device provided by this utility model has the following beneficial effects: it prevents foreign objects from entering the granulation template 2 and blocking the hot oil channel, causing uneven heating of the granulation template 2, and reducing the impact on the granulation work of the extrusion granulator.

[0029] Example 2:

[0030] Please refer to Figures 1-4.

[0031] A first connecting flange 3 is fixedly installed on the outer surface of the oil pipeline 1, and a second connecting flange 4 is fixedly installed on the outer surface of the granulation template 2. A fixing bolt 5 is provided on the outer surface of the first connecting flange 3, and the first connecting flange 3 is fixedly connected to the second connecting flange 4 through the fixing bolt 5.

[0032] Specifically, the first connecting flange 3 and the second connecting flange 4 are fixedly connected by the fixing bolt 5, so that the graphite winding tape 6, metal ring 7 and filter screen 8 set at the intersection of oil pipeline 1 and granulation template 2 are fixedly connected, thereby achieving the effect of facilitating the disassembly and replacement of filter screen 8.

[0033] Working principle: A first connecting flange 3 is fixedly installed on the outer surface of the oil pipeline 1, and a second connecting flange 4 is fixedly installed on the outer surface of the granulation template 2. A fixing bolt 5 is provided on the outer surface of the first connecting flange 3, and the first connecting flange 3 is fixedly connected to the second connecting flange 4 through the fixing bolt 5. The fixing bolt 5 fixes the first connecting flange 3 and the second connecting flange 4, so that the graphite winding tape 6, metal ring 7 and filter screen 8 set at the intersection of the oil pipeline 1 and the granulation template 2 are fixedly connected. Compared with related technologies, the composite gasket with a filter device provided by this utility model has the following beneficial effects: it achieves the effect of facilitating the disassembly and replacement of the filter screen 8.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A composite gasket with filter device, comprising an oil passage line (1), a pelletizing template (2) and a filter screen (8), characterized in that: The filter screen (8) is arranged at the intersection of the oil line (1) and the pelletizing template (2), the outer surface of the filter screen (8) is provided with a metal ring (7), the outer surface of the metal ring (7) is provided with a graphite winding belt (6), the graphite winding belt (6) is formed by alternately and spirally winding a graphite piece (9), polytetrafluoroethylene (10), non-asbestos (11) and an asbestos piece (12).

2. The composite gasket with filter means of claim 1 wherein: The outer surface of the oil line (1) is fixedly provided with a first connecting flange (3), the outer surface of the pelletizing template (2) is fixedly provided with a second connecting flange (4), the outer surface of the first connecting flange (3) is provided with a fixing bolt (5), and the first connecting flange (3) is fixedly connected with the second connecting flange (4) through the fixing bolt (5).

3. The composite gasket with filter means of claim 1 wherein: The graphite winding belt (6) is internally connected with a metal winding pad, and the base sealing element of the metal winding pad is formed by alternately winding several specially-shaped continuous V-shaped metal belts and soft filling materials.

4. The composite gasket with filter means of claim 1 wherein: The filter screen is made of a SUS304 stainless steel filter screen (8), and the filter screen (8) and the metal ring (7) are connected by laser spot welding.

5. The composite gasket with filter means of claim 3 wherein: The metal winding pad is fixedly spot-welded on the outer surface of the metal ring (7).

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