Melt filter of vertical construction

Abstract

The application provides a vertical melt filter, which comprises a cylinder structure, the cylinder structure comprising a straight cylinder and a lower conical cylinder connected with the straight cylinder, the straight cylinder comprising a straight inner cylinder and a straight outer cylinder, and the lower conical cylinder comprising a lower conical inner cylinder and a lower conical outer cylinder; the melt filter further comprises a filter structure, the filter structure comprising a framework and a filter core structure, the filter core structure being assembled by an inner rotating drum and a screen, the framework being connected with the flange end surface of the larger opening of the straight inner cylinder and the lower conical inner cylinder through fasteners, and the screen being nested between the inner rotating drum and the framework; the melt filter further comprises a stirring structure, the stirring structure being installed at the bottom of the framework of the melt filter; and the melt filter further comprises an inner connecting pipe, the inner connecting pipe being welded through the inner wall of the straight inner cylinder and being installed between the straight inner cylinder and the stirring structure. The melt filter is easy to install and disassemble, realizes efficient separation of filter residue and products, can ensure that the melt is always in a molten state during the filtering process, and can realize deep cleaning of the filter structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of petroleum chemical or new material melt filtering, in particular to a melt filter with vertical structure. BACKGROUND

[0002] Currently, in the fields of petrochemical and new materials, such as PET, PP, PE, PU, Nylon and the like, high polymers are generated, and the initial generated high polymers often contain a large amount of impurities and unmelted particles. If the high polymers are not treated through a filtering process, the production line will be blocked, and the product quality will be seriously degraded. The high polymer melt is in a viscous flow state between the flow temperature or the melting point and the decomposition temperature.

[0003] The existing melt filtering technology has low unit time output, and the filtered product and the filter residue cannot be efficiently separated. In the filtering stage, the filtering structure cannot be cleaned, which easily causes the blocking of the filtering structure. The melt participating in the filtering in the equipment cannot be well scraped off the surface of the filter core, the filtered melt cannot be pushed, and in the process of filtering the melt, due to the temperature change in the equipment, the melt changes from viscous flow to blocky solid, which seriously damages the equipment, and the filter core replacement is also more troublesome. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a melt filter with vertical structure, which comprises:

[0005] A cylinder structure, which comprises a straight cylinder and a lower conical cylinder connected with the straight cylinder, the straight cylinder comprises a straight inner cylinder and a straight outer cylinder, and the lower conical cylinder comprises a lower conical inner cylinder and a lower conical outer cylinder;

[0006] A filtering structure, which comprises a framework, a screen and an inner rotary drum, the framework is connected with the flange end surface of the larger opening of the straight inner cylinder and the lower conical inner cylinder through fasteners, and the screen is nested between the inner rotary drum and the framework;

[0007] A stirring structure, which is installed at the bottom of the framework of the melt filter;

[0008] An inner connecting pipe, which is welded through the inner wall of the straight inner cylinder and is installed between the straight inner cylinder and the stirring structure.

[0009] In some embodiments, the outer surface of the straight inner cylinder and the outer surface of the lower conical inner cylinder are coiled with a jacket.

[0010] In some embodiments, the annular pipe of the inner pipe is provided with a plurality of iron blocks, which are welded to the inner wall of the straight inner cylinder, so as to fix the inner pipe in the melt filter, and the inner pipe comprises a plurality of vertical pipe structures, each of which is provided with a circular hole.

[0011] In some embodiments, the filter core structure is a rotary drum, the screen is uniformly provided with circular holes with the same aperture, and the inner rotary drum is uniformly provided with square holes with the same aperture, and the area of the square holes is greater than the area of the circular holes on the screen.

[0012] In some embodiments, the upper end surface of the skeleton is provided with a second circular ring, the second circular ring is connected to the first circular ring through a rib plate, and the second circular ring is connected to the skeleton base.

[0013] In some embodiments, the stirring structure comprises a stirrer, the stirrer is an anchor stirrer, the shaft end of the stirrer is installed on the top of the filter, a brush is installed on one paddle of the stirrer, and a plurality of scrapers are installed on the other paddle of the stirrer.

[0014] In some embodiments, the brush is detachable, and the brush is connected to the paddle of one of the un-welded supports of the stirrer through a first bolt, a first nut and a first gasket.

[0015] In some embodiments, the scraper is detachable, and the scraper is connected to the paddle of one of the welded supports of the stirrer through a second bolt, a support, a second gasket and a second nut.

[0016] In some embodiments, a motor is installed above the upper end cover of the top of the straight cylinder, four supports are installed at equal angles on the outer surface of the straight outer cylinder, and a ball valve is installed on the end surface of the smaller opening of the lower conical cylinder.

[0017] In some embodiments, the shell of the melt filter is provided with a standby opening, a material inlet, a cleaning inlet, a residue and cleaning outlet and a product outlet; the cleaning inlet is located at the side of the melt filter cylinder, the residue outlet and the cleaning outlet are the same outlet, which is located at the hole in the center of the lower end surface of the skeleton and vertically penetrates the lower conical cylinder, the material inlet is located at the upper region of the straight cylinder, the residue outlet and the cleaning outlet are located at the port of the lower conical cylinder, and the product outlet is arranged on the side of the lower conical cylinder.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The vertical structure melt filter provided by the application increases the material output per unit time, realizes cleaning of the filter screen of the filter structure, avoids blockage of the screen in the filter structure, realizes convenient dismounting and installation of the filter structure, realizes scraping and pushing of the filtered material, maintains constant temperature in the equipment, prevents serious damage of the equipment caused by change of the melt from viscous flow state to block solid, realizes efficient diversion of the filtered product and filter residue, realizes reduction of the floor area occupied by the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The vertical structure melt filter structure schematic view shown in the embodiment of the application;

[0021] Figure 2 The skeleton structure schematic view in Figure 1 The fastener structure schematic view shown in

[0022] Figure 3 The inner cylinder outer jacket structure schematic view shown in the embodiment of the application;

[0023] Figure 4 The internal structure schematic view of the vertical structure melt filter shown in the embodiment of the application;

[0024] Figure 5 The skeleton structure schematic view in Figure 4 The brush structure schematic view in

[0025] Figure 6 The brush structure schematic view in Figure 4 The scraper structure schematic view in

[0026] Figure 7 And Figure 8 The scraper structure schematic view in Figure 4 The scraper structure schematic view in

[0027] Figure 9 The filter structure partial enlarged schematic view shown in the embodiment of the application;

[0028] Figure 10 The inner connecting pipe structure schematic view shown in the embodiment of the application;

[0029] In the drawings, reference signs are as follows:

[0030] 1 - straight cylinder;

[0031] 101 - upper end cover;

[0032] 102 - motor;

[0033] 103 - support;

[0034] 104 - ball valve;

[0035] 2 - lower conical cylinder;

[0036] 3 - filter structure;

[0037] 301 - skeleton;

[0038] 3011 - second ring;

[0039] 3012 - rib;

[0040] 3013 - first ring;

[0041] 3014 - skeleton base;

[0042] 302 - screen;

[0043] 303 - inner rotating drum;

[0044] 4 - fastener;

[0045] 401 - nut;

[0046] 402 - gasket;

[0047] 403 - stud;

[0048] 5 - inner tube;

[0049] 501 - vertical tube structure;

[0050] 6 - jacket;

[0051] 7 - agitator;

[0052] 701 - brush;

[0053] 7011 - nylon brush head;

[0054] 702 - scraper;

[0055] 703 - first bolt;

[0056] 704 - first nut;

[0057] 705 - first gasket;

[0058] 706 - bracket and fastener;

[0059] 7061 - second bolt;

[0060] 7062 - bracket;

[0061] 7063 - second gasket;

[0062] 7064 - second nut;

[0063] 801 - spare port;

[0064] 802 - material inlet;

[0065] 803 - wash inlet;

[0066] 804 - residue and wash outlet;

[0067] 805 - product outlet. DETAILED DESCRIPTION

[0068] The technical solutions of the present application will be described in detail below with reference to the drawings and specific examples, so as to further understand the purposes, solutions and effects of the present application, but not as a limitation on the protection scope of the appended claims of the present application.

[0069] In the description and the following claims, certain words are used to refer to particular components or parts, and the person skilled in the art should understand that the same component or part can be referred to by different names or terms by the user or manufacturer. The description and the following claims do not distinguish components or parts by name, but by functional differences. In the entire description and the following claims, "including" and "containing" are open terms, which should be interpreted as "including but not limited to". In addition, the term "connected" herein includes any direct and indirect electrical connection means. Indirect electrical connection means includes connection through other devices.

[0070] It should be noted that in the description of the present application, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and "about", or "approximately", "substantially", "left and right" and the like indicate the orientation or positional relationship or parameters, etc. based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description content, and do not indicate or imply that the devices or elements referred to must have a particular orientation, a particular size or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0071] Reference Figures 1-10The embodiment of the present application provides a vertical melt filter, which is a vertical equipment, and the melt filter comprises a cylinder structure, the cylinder structure comprises a straight cylinder body 1 and a lower conical cylinder body 2 connected with the straight cylinder body, the straight cylinder body 1 comprises a straight inner cylinder body and a straight outer cylinder body, and the lower conical cylinder body 2 comprises a lower conical inner cylinder body and a lower conical outer cylinder body; a filter structure 3, the filter structure 3 comprises a framework 301 and a filter core structure, the filter core structure is assembled by an inner rotating drum 303 and a screen 302, the framework 301 is connected with the flange end surface of the larger opening of the straight inner cylinder body and the lower conical inner cylinder body through fasteners 4, the fasteners 4 comprise nuts 401, gaskets 402 and studs 403, and the screen 302 is nested between the inner rotating drum 303 and the framework 301; a stirring structure, the stirring structure is installed at the bottom of the framework 301 of the melt filter; and an inner connecting pipe 5, the inner connecting pipe 5 is welded through the inner wall of the straight inner cylinder body and is installed between the straight inner cylinder body and the stirring structure.

[0072] The outer surface of the straight inner cylinder body and the outer surface of the lower conical inner cylinder body are coiled with a jacket 6. The annular pipe of the inner connecting pipe 5 is provided with a plurality of iron blocks, the iron blocks are welded with the inner wall of the straight inner cylinder body, the inner connecting pipe is fixed in the melt filter, and the inner connecting pipe 5 comprises a plurality of vertical pipe structures 501, and a circular hole is formed in each vertical pipe structure 501.

[0073] The filter core structure is a rotating drum, the screen 302 is uniformly distributed with circular holes with the same aperture, the inner rotating drum 303 is uniformly distributed with square holes with the same aperture, and the area of the square holes is greater than the area of the circular holes on the screen.

[0074] The middle part of the upper end surface of the framework 301 is provided with a second ring 3011, the second ring 3011 is connected with a first ring 3013 through a rib plate 3012, the diameter of the first ring 3013 is greater than that of the second ring 3011, the second ring 3011 is connected with a framework base 3014, and the maximum outer diameter of the framework, the outer diameter of the cylinder flange and the outer diameter of the upper end flange cover are the same.

[0075] The stirring structure comprises an anchor type stirrer 7, the shaft end of the stirrer 7 is installed at the top of the filter, a brush 701 is installed on one paddle of the stirrer 7, and a plurality of scrapers 702 are installed on the other paddle of the stirrer 7.

[0076] The brush 701 in the embodiment is detachable, and is connected with the paddle of one of the un-welded supports of the stirrer through the first bolt 703, the first nut 704 and the first gasket 705. The brush 701 adopts a nylon brush head 7011, the material of the brush is artificial fiber, and the distance from the surface of the brush to the central axis of the filter is equal to the minimum radius of the skeleton part in the cylinder.

[0077] The scraper 702 in the embodiment is detachable, and is connected with the paddle of one of the welded supports of the stirrer through the support and the fastener 706, specifically the second bolt 7061, the support 7062, the second gasket 7063 and the second nut 7064. The included angle between the larger surface of the scraper and the larger surface of the paddle of the welded support is 45°, and the minimum distance between the paddle with the installed scraper and the skeleton is 5 mm.

[0078] The shell of the melt filter in the embodiment is provided with a standby port 801, a material inlet 802, a cleaning inlet 803, a residue and cleaning outlet 804 and a product outlet 805. The cleaning inlet 803 is located at the side of the cylinder of the melt filter, and is provided with two cleaning ports with the same distance from the flange cover. The residue and cleaning outlet 804 is the same outlet, is located at the hole in the center of the lower end surface of the skeleton 301, and passes through the lower conical cylinder 2 in the straight direction. The material inlet 802 is located at the upper region of the straight cylinder 1, the residue and cleaning outlet 804 is located at the port of the lower conical cylinder 2, and the product outlet 805 is arranged on the side of the lower conical cylinder 2.

[0079] The upper end cover 101 at the top of the straight cylinder 1 is provided with a motor 102, the outer surface of the straight outer cylinder is provided with four supports 103 at equal angles, and the end surface of the smaller port of the lower conical cylinder 2 is provided with a ball valve 104.

[0080] The melt filter with the vertical structure provided by the application is welded with the supports 7062 at equal intervals on one of the paddles of the stirrer, the included angle between the larger surface of the scraper 702 and the larger surface of the paddle of the welded support is 45°, the scraper 702 is fastened and connected through the second bolt 7061, the second nut 7064 and the second gasket 7063, the minimum distance between the paddle with the installed scraper 702 and the skeleton 301 is 10 mm, the brush 701 is fastened and connected on the paddle of the other un-welded support 7062 through the first bolt 703, the first nut 704 and the first gasket 705, and the brush 701 is a nylon brush head.

[0081] The skeleton 301 is placed in the melt filter so that the bolt holes on the first ring 3013 on the skeleton 301 correspond to the bolt holes on the cylinder body one by one; the screen 302 is nested in the gap between the inner rotating drum 303 and the skeleton 301, and is inserted from the upper end surface of the skeleton 301 until the end surface of the assembled filter core structure contacts the skeleton base 3014; after the bolt holes on the upper end cover 101, the bolt holes on the skeleton and the bolt holes on the upper end surface of the melt filter correspond to each other, the fastening connection is performed through the nut 401, the gasket 402 and the stud 403.

[0082] The residue is installed in the same plane as the central axis of the cleaning port 804, the material inlet 802, the cleaning inlet 803 and the product outlet 805.

[0083] The melt filter structure provided by the application has the advantages that the vertical structure design can avoid material blockage, the skeleton structure design can facilitate the disassembly and installation of the filter core, the jacket can make the temperature of the filter more constant to prevent the melt from caking, and the inner connector structure design can realize deep cleaning of the filter structure and prevent the screen from being blocked.

[0084] The above description is only the preferred embodiment of the application, and does not limit the application in other forms. Any person skilled in the art can use the disclosed technical content to make changes or modifications to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the application to the above embodiments still belong to the protection scope of the technical solution of the application.

Claims

1. A melt filter of a vertical construction, characterized by: The melt filter comprises: a cylinder structure comprising a straight cylinder and a lower conical cylinder connected with the straight cylinder, the straight cylinder comprising a straight inner cylinder and a straight outer cylinder, and the lower conical cylinder comprising a lower conical inner cylinder and a lower conical outer cylinder; a filtering structure comprising a skeleton and a filter core structure, a second ring being arranged in the middle of the upper end surface of the skeleton, the second ring being connected with a first ring through a rib plate, the diameter of the first ring being larger than that of the second ring, the second ring being connected with a skeleton base, the filter core structure being assembled by an inner rotating drum and a screen mesh, the screen mesh being nested in the gap between the inner rotating drum and the skeleton, the end surface of the filter core structure being inserted into the skeleton base until the end surface of the filter core structure is in contact with the skeleton base, the skeleton being connected with the flange end surface of the larger opening of the straight inner cylinder and the lower conical inner cylinder through fasteners; a stirring structure comprising a stirrer, the stirring structure being installed at the bottom of the skeleton of the melt filter; a brush being installed on one paddle of the stirrer, and a plurality of scrapers being installed on the other paddle of the stirrer; the distance between the surface of the brush and the center axis of the filter being equal to the minimum radius of the skeleton part in the cylinder; the minimum distance between the paddle with the installed scrapers and the skeleton being 5 mm; an inner connecting pipe being welded through the inner wall of the straight inner cylinder and installed between the straight inner cylinder and the stirring structure.

2. The melt filter of claim 1, wherein: A jacket is coiled on the outer surface of the straight inner cylinder and the lower conical inner cylinder.

3. The melt filter of claim 1, wherein: A plurality of iron blocks are arranged on the annular pipe of the inner connecting pipe, the iron blocks being welded with the inner wall of the straight inner cylinder to fix the inner connecting pipe in the melt filter, the inner connecting pipe comprising a plurality of vertical pipe structures, and a circular hole being arranged on each vertical pipe structure.

4. The melt filter of claim 1, wherein: The filter core structure is in the shape of a rotating drum, the screen mesh being uniformly provided with circular holes with the same aperture, and the inner rotating drum being uniformly provided with square holes with the same aperture, the area of the square holes being larger than the area of the circular holes on the screen mesh.

5. The melt filter of claim 1, wherein: The stirrer is an anchor stirrer, and the shaft end is installed at the top of the filter.

6. The melt filter of claim 1, wherein: The brush is detachable, and the brush is connected with the paddle of one of the un-welded supports of the stirrer through a first bolt, a first nut and a first gasket.

7. The melt filter of claim 1, wherein: The scraper is detachable, and the scraper is connected with the paddle of one of the welded supports of the stirrer through a second bolt, a support, a second gasket and a second nut.

8. The melt filter of claim 1, wherein: A motor is installed above the upper end cover at the top of the straight cylinder, four supports are equiangularly installed on the outer surface of the straight outer cylinder, and a ball valve is installed on the end surface of the smaller opening of the lower conical cylinder.

9. The melt filter of claim 1, wherein: The shell of the melt filter is provided with a standby opening, a material inlet, a cleaning inlet, a residue and cleaning outlet and a product outlet, the cleaning inlet being arranged at the side of the cylinder of the melt filter, the residue outlet and the cleaning outlet being the same outlet, the hole being arranged in the center of the lower end surface of the skeleton and penetrating the lower conical cylinder in a straight direction, the material inlet being arranged at the upper region of the straight cylinder, the residue outlet and the cleaning outlet being arranged at the port of the lower conical cylinder, and the product outlet being arranged on the side of the lower conical cylinder.

Images