Sodium sulfate solution filter

Abstract

The utility model discloses a sodium sulfate solution filter which comprises a front pipeline, an arc-shaped filter screen, a filter screen frame, a back flushing pipeline, an external pipe, a pump body, a rear pipeline and a lower pipeline, the arc-shaped filter screen, the filter screen frame and the back flushing pipeline are sequentially installed on the inner diameter of the front pipeline and the inner diameter of the rear pipeline, and the back flushing pipeline is sequentially communicated with the external pipe and the pump body in a sealed mode through pipelines. The sodium sulfate solution filter and the sodium sulfate solution filter are wire mesh filters, the filtering particle size is 5 micrometers, part of impurities smaller than 5 micrometers can be filtered after a filter cake is formed, and a filter screen can be reversely blown through an external connecting pipe and a pump body through nitrogen, steam and desalted water. The vertical back-blowing pipe and the inclined back-blowing pipe of the back-blowing pipeline are free of dead-angle back-blowing filter screens, impurities fall into the arc-shaped filter screen and then flow into the lower pipeline through the lower filter screen, the impurities are reused, and by adding the sodium sulfate filter, the blocking frequency of a subsequent system is reduced, and the labor intensity and the maintenance cost are reduced.

Description

Technical Field

[0001] The utility model relates to a sodium sulfate solution filter and belongs to the technical field of chemical equipment. Background Art

[0002] After sodium phenolate is decomposed by sulfuric acid, a large amount of insoluble matter is entrained in the sodium sulfate solution. When entering the extraction, water tower and MVR, it is easy to block the pre-pump filter, pipeline, and extraction tower packing. Due to the small particle size and solution characteristics, the use of bag filters has no obvious effect. The extraction tower needs to replace multiple sections of pipelines due to packing blockage. Utility Model Content

[0003] The purpose of the utility model is to provide a sodium sulfate solution filter to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a sodium sulfate solution filter, including a front pipe, an arc filter, a filter frame, a backflush pipe, an external pipe, a pump body, a rear pipe, and a lower pipe. The inner diameters of the front pipe and the rear pipe are sequentially installed with an arc filter, a filter frame and a backflush pipe. The backflush pipe is sequentially connected and sealed with the external pipe and the pump body through the pipe, and the lower pipe is welded and installed at the lower end of the front pipe.

[0005] Preferably, the arc filter is composed of an outer arc bracket, an inner filter membrane and a bottom filter screen, the inner filter membrane is evenly installed on the inner frame of the outer arc bracket, and the bottom filter screen is welded and installed on the bottom of the outer arc bracket.

[0006] Preferably, the filter screen frame is composed of a circular bracket and a metal filter screen, and the metal filter screen is installed on the inner diameter of the circular bracket.

[0007] Preferably, the backflush pipeline is composed of an outer frame, a vertical backflush pipe and an oblique angle backflush pipe, and the vertical backflush pipe and the oblique angle backflush pipe are installed in a circular bracket of the outer frame in sequence and at intervals.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] The sodium acid solution filter is a wire mesh filter with a filtration particle size of 5 microns. After the filter cake is formed, some impurities below 5 microns can be filtered. The external pipe and pump body can be back-blown through nitrogen, steam, and desalted water. The vertical back-blowing pipe and the oblique back-blowing pipe of the back-blowing pipeline have no dead angles for back-blowing the filter. After the impurities fall into the arc filter, they pass through the low filter and finally flow into the lower pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of the sodium sulfate solution filter of the utility model;

[0011] Figure 2This is a schematic diagram of the installation structure of the sodium sulfate solution filter of the utility model;

[0012] Figure 3 This is a schematic diagram of the structure of the arc filter of the utility model;

[0013] Figure 4 This is a schematic diagram of the structure of the filter frame of the utility model;

[0014] Figure 5 It is a structural schematic diagram of the backflush pipeline of the utility model.

[0015] In the figure: 1, front pipe, 2, curved filter screen, 3, filter screen frame, 4, backflush pipe, 5, external pipe, 6, pump body, 7, rear pipe, 8, external curved bracket, 9, inner filter membrane, 10, bottom filter screen, 11, circular bracket, 12, metal filter screen, 13, external frame, 14, vertical backflush pipe, 15, oblique angle backflush pipe, 16, lower pipe. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] like Figure 1-Figure 5 As shown, a sodium sulfate solution filter comprises a front pipe 1, an arc filter screen 2, a filter mesh frame 3, a backflush pipe 4, an external pipe 5, a pump body 6, a rear pipe 7, and a lower pipe 16. The inner diameters of the front pipe 1 and the rear pipe 7 are sequentially installed with the arc filter screen 2, the filter mesh frame 3 and the backflush pipe 4. The backflush pipe 4 is sequentially connected and sealed with the external pipe 5 and the pump body 6 through the pipe, and the lower pipe 16 is welded and installed at the lower end of the front pipe 1.

[0018] The arc filter 2 is composed of an outer arc support 8, an inner filter membrane 9 and a bottom filter 10. The inner filter membrane 9 is evenly spaced and installed on the inner frame of the outer arc support 8. The bottom filter 10 is welded and installed on the bottom of the outer arc support 8. The inner filter membrane 9 intercepts the impurities of the backflush, and the impurities finally flow to the lower pipe 16 through the bottom filter 10.

[0019] The filter frame 3 is composed of a circular bracket 11 and a metal filter 12. The metal filter 12 is positioned and installed on the inner diameter of the circular bracket 11. The filter particle size is 5 microns. After the filter cake is formed, some impurities below 5 microns can be filtered.

[0020] The backflush pipe 4 is composed of an outer frame 13, a vertical backflush pipe 14 and an oblique backflush pipe 15. The annular bracket of the outer frame 13 is sequentially connected and installed with the vertical backflush pipe 14 and the oblique backflush pipe 15. The external pipe 5 and the pump body 6 can backflush the filter screen through nitrogen, steam and desalted water. The vertical backflush pipe 14 and the oblique backflush pipe 15 of the backflush pipe 4 have no dead angle for backflush filters.

[0021] Specific usage: A sodium sulfate solution filter, the sodium acid solution filter is a metal wire mesh filter, the filter particle size is 5 microns, after the filter cake is formed, some impurities below 5 microns can be filtered, the external pipe and the pump body can be backblown by nitrogen, steam, and desalted water, the vertical backblowing pipe and the oblique backblowing pipe of the backblowing pipeline have no dead angle backblowing filter, impurities fall into the arc filter, pass through the low filter and finally flow into the lower pipe, and are reused. By adding a sodium sulfate filter, the blockage frequency of the subsequent system is reduced, and the labor intensity and maintenance costs are reduced.

[0022] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A sodium sulfate solution filter, characterized in that: The invention comprises a front pipe (1), an arc filter (2), a filter frame (3), a back-blowing pipe (4), an external pipe (5), a pump body (6), a rear pipe (7), and a lower pipe (16). The inner diameters of the front pipe (1) and the rear pipe (7) are sequentially installed with the arc filter (2), the filter frame (3), and the back-blowing pipe (4). The back-blowing pipe (4) is sequentially connected and sealed with the external pipe (5) and the pump body (6) through a pipe. The lower pipe (16) is welded and installed at the lower end of the front pipe (1).

2. A sodium sulfate solution filter according to claim 1, characterized in that: The arc-shaped filter screen (2) is composed of an outer arc-shaped support (8), an inner filter membrane (9) and a bottom filter screen (10); the inner filter membranes (9) are evenly spacedly installed on the inner frame of the outer arc-shaped support (8); and the bottom filter screen (10) is welded and installed on the bottom of the outer arc-shaped support (8).

3. A sodium sulfate solution filter according to claim 1, characterized in that: The filter screen frame (3) is composed of a circular support (11) and a metal filter screen (12), and the metal filter screen (12) is installed at the inner diameter of the circular support (11).

4. A sodium sulfate solution filter according to claim 1, characterized in that: The backflush pipe (4) is composed of an outer frame (13), a vertical backflush pipe (14) and an oblique angle backflush pipe (15); the vertical backflush pipe (14) and the oblique angle backflush pipe (15) are sequentially and spacedly connected and installed on an annular support of the outer frame (13).

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