Maintenance structure for filter cartridge of chemical filter

Abstract

The utility model discloses a filter cartridge maintenance structure of a chemical filter, an upward curved pipeline is upwards connected with a filtering structure, the other side of a cartridge body opposite to a liquid inlet is sequentially provided with a first maintenance port and a second maintenance port from top to bottom, the first maintenance port is used for hands to enter, and the second maintenance port is used for bodies to enter. The connecting structure is located between the first maintenance opening and the second maintenance opening in the height direction. The height difference exists between the first maintenance opening and the second maintenance opening, and the connecting structure is structurally arranged between the first maintenance opening and the second maintenance opening, so that a convenient operation mode of observing and overhauling from the upper part and replacing from the lower part is realized, and the maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter structure, in particular to a kind of chemical filter filter cartridge maintenance structure. BACKGROUND

[0002] Chemical filter is usually installed on the pipeline before the inlet of pump, compressor or flow meter; it is an indispensable device on the medium conveying pipeline, mainly plays the role of filtering impurities in the liquid, such as water, chemical raw materials and resin materials, to improve production efficiency and quality, and is an indispensable link in chemical production.

[0003] In prior art, the Chinese utility model patent with application number 201821527538.8 discloses such chemical equipment filter, and the main role of containing is a vertically arranged cylinder structure, which is internally provided with a filter structure to filter fluid. However, for the chemical field, the filter structure is too high due to the cylinder structure, for example, 7 meters or above, and the auxiliary filter structure in the cylinder is usually at the top (in order to inject liquid from the top), and the filter is a link in the production line, so it is difficult to maintain and overhaul the top filter structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of chemical filter filter cartridge maintenance structure, with the advantage of high point maintenance convenience.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of chemical filter filter cartridge maintenance structure, including cylinder, the top of the cylinder one side is provided with resin inlet, the bottom of the cylinder is provided with cone, the bottom of the cone is provided with resin outlet, the top of the cylinder is provided with liquid inlet below resin inlet, the liquid inlet extends into cylinder with upper curved pipeline, the upper curved pipeline is connected with filter structure upwards, connection structure is arranged between the upper curved pipeline and filter structure, the top of the cylinder is provided with take-out port, the take-out port is provided with upper flange cover, the other side of the cylinder relative to liquid inlet is sequentially provided with first maintenance opening and second maintenance opening from top to bottom, the first maintenance opening is provided with first cover plate, the first cover plate is provided with hinged structure, the second maintenance opening is provided with second cover plate, the second cover plate is provided with hanging structure, the first maintenance opening is for hand to enter, the second maintenance opening is for body to enter, the connection structure is located between first maintenance opening and second maintenance opening in height direction.

[0006] Preferably, the hinge structure comprises a first flange, a first hinge block and a second hinge block, the first flange is arranged outside the first maintenance opening, the first cover plate is connected with the first flange through bolts, one side of the first hinge block is hingedly fixed with one side of the second hinge block, the other side of the first hinge block is connected with the right side of the first cover plate, and the other side of the second hinge block is connected with the right side of the first flange.

[0007] By adopting the above technical scheme, the first cover plate is hingedly rotated at the position of the first flange, that is, the first cover plate can be opened from left to right for the operator to reach in.

[0008] Preferably, the left side of the first cover plate is provided with a handle structure, and the first flange is located between the resin inlet and the liquid inlet in the height direction.

[0009] By adopting the above technical scheme, since the first cover plate is small, the handle is arranged on the side surface, which facilitates the maintenance personnel to manually rotate the first cover plate in the horizontal direction.

[0010] Preferably, the hanging structure comprises a second flange, an ear and a cantilever, the second flange is arranged outside the second maintenance opening, the second cover plate is connected with the second flange through bolts, the ear is arranged on the top of the second cover plate, the top of the cantilever is connected with the ear, and the bottom of the cantilever is connected with the right side of the second flange.

[0011] By adopting the above technical scheme, the second flange needs to be entered by the operator's body, so the ear arranged on the top of the second cover plate and the top of the cantilever arranged on the side of the second flange are connected, and then the second cover plate is opened from the side to avoid the situation that the hinge is broken.

[0012] Preferably, an outer pull ring is arranged at the center of the outer side of the second cover plate.

[0013] By adopting the above technical scheme, it is convenient for the maintenance personnel to apply force to rotate the second cover plate in the horizontal direction to one side of the second flange.

[0014] Preferably, one end of the upper curved pipe extends horizontally outside the cylinder and is provided with a third flange, the other end of the upper curved pipe is bent upwardly inside the cylinder and is provided with a fourth flange, and the connecting structure comprises a fifth flange connected with the fourth flange through bolts.

[0015] By adopting the above technical scheme, the liquid is supplied into the cylinder through the third flange, and the liquid is supplied into the cylinder through the connection of the fourth flange and the fifth flange.

[0016] Preferably, the filtering structure comprises a lower fixing ring, a filtering screen and an upper fixing ring, the filtering screen has a ring shape in cross section, the top of the filtering screen is connected with the fixing ring, the upper fixing ring is arranged concentrically with the filtering screen and extends outward along the radial direction of the filtering screen, the lower fixing ring is arranged concentrically with the filtering screen and extends inward along the radial direction of the filtering screen and is connected with the top of the fifth flange opening, and the filtering screen is welded with the outer circumferential surface of the lower fixing ring.

[0017] By adopting the above technical scheme, the upper fixing ring and the lower fixing ring are respectively located at the top and the bottom of the filtering screen, which plays a role in shaping and fixing the filtering screen, and the filtering screen is telescopic, which facilitates subsequent disassembly.

[0018] Preferably, the outlet is provided with a sixth flange opening, the upper flange cover is fixed with the sixth flange opening through bolts, and the upper fixing ring is clamped between the upper flange cover and the sixth flange opening.

[0019] By adopting the above technical scheme, the upper flange cover and the sixth flange opening play a role in pressing the upper fixing ring, thereby avoiding the loosening of the filter screen downward.

[0020] Preferably, the center of the upper flange cover extends upwardly with a nitrogen inlet pipe.

[0021] By adopting the above technical scheme, the position can be filled with a protective gas in the cylinder through the filtering screen.

[0022] Preferably, the second maintenance opening protrudes from the first maintenance opening in the horizontal direction, and the distance between the first maintenance opening and the second maintenance opening is less than the arm span length.

[0023] By adopting the above technical scheme, the operator can use the first maintenance opening and the second maintenance opening simultaneously in the height direction.

[0024] In summary, when disassembling and assembling, the second maintenance opening is arranged outside the connection structure position to be disassembled of the cylinder, the lifting connection structure is opened in the horizontal direction, the maintainer manually enters the inside of the cylinder from the second maintenance opening, and then disassembles and assembles the connection position from the bottom; when overhauling, the first cover plate is opened in the horizontal direction, the first cover plate rotates around the hinge structure, the overhauler can observe the surface condition of the filtering structure (filtering screen) through the first maintenance opening, and then record the overhaul; meanwhile, there is a height difference between the first maintenance opening and the second maintenance opening, the connection structure is arranged between the first maintenance opening and the second maintenance opening in structure, which realizes the convenient operation mode of observing and overhauling from above and replacing from below, and has the advantage of convenient overhaul. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a cross-sectional schematic view of an embodiment;

[0026] Figure 2 is Figure 1 A enlarged schematic view of the A part shown in the figure;

[0027] Figure 3 is Figure 1 B enlarged schematic view of the B part shown in the figure;

[0028] Figure 4 is a top view of the embodiment;

[0029] In the figure, 1, cylinder body;11, cone;12, resin inlet;13, resin outlet;14, liquid inlet;2, outlet;21, sixth flange opening;22, upper flange cover;23, nitrogen inlet pipe;3, upper curved pipe;31, third flange opening;32, fourth flange opening;4, filter screen;41, upper fixed ring;42, lower fixed ring;43, fifth flange opening;5, first maintenance opening;51, first cover plate;52, handle structure;53, first flange opening;54, first hinged block;55, second hinged block;6, second maintenance opening;61, second cover plate;62, outer pull ring;63, second flange opening;64, lifting lug;65, cantilever. DETAILED DESCRIPTION

[0030] The utility model will be further explained in detail below in combination with the drawings.

[0031] The specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the present specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0032] Embodiment:

[0033] As Figures 1 to 4 shown, a chemical filter filter cartridge maintenance structure, including cylinder body 1, the bottom of cylinder body 1 is provided with cone 11, the total height of cylinder body 1 and cone 11 is greater than 7 meters, so that the upper part of cylinder body 1 is suitable for two-layer platform;The filter is used for the ester reaction material filtration of chemical industry to relieve, so that the top of cylinder body 1 is provided with resin inlet 12 on one side, the bottom of cone 11 is provided with resin outlet 13, the top of cylinder body 1 is provided with liquid inlet 14 below resin inlet 12, liquid inlet 14 extends into cylinder body 1 with upper curved pipe 3, the upper curved pipe 3 is connected with filter structure, the purpose of the application is to maintain and replace and overhaul filter structure, and the connection structure is arranged between the upper curved pipe 3 and the filter structure.

[0034] As Figures 1 to 3As shown, the specific filter structure is that the filter structure includes the lower fixing ring 42, the filter screen 4 and the upper fixing ring 41, the cross-sectional shape of the filter screen 4 is annular and extends along the height direction, the cross-sectional shape of the filter screen 4 is annular, the top of the filter screen 4 is connected with the fixing ring, the upper fixing ring 41 is concentrically arranged with the filter screen 4 and extends outward along the radial direction of the filter screen 4, the lower fixing ring 42 is concentrically arranged with the filter screen 4, meanwhile the lower fixing ring 42 extends inward along the radial direction of the filter screen 4 and is connected with the top of the fifth flange 43, the filter screen 4 is welded and fixed with the outer circumferential surface of the lower fixing ring 42, and then the filter structure forms a whole, and when taking out, it is usually taken out from the position of the upper flange cover 22 at the top, so as to avoid the bending damage of the filter screen 4.

[0035] As shown in the figure, Figures 1 to 3 the replacement of the filter structure is divided into the dismounting of the top and the dismounting of the bottom, wherein the dismounting structure of the top is that the taking-out port 2 is arranged at the top of the cylinder body 1, the upper flange cover 22 is arranged on the taking-out port 2, the sixth flange 21 is arranged on the taking-out port 2, as shown in the figure, that is, the upper flange cover 22 and the sixth flange 21 are fixed by bolts, and the upper fixing ring 41 is clamped between the upper flange cover 22 and the sixth flange 21 in the height direction; meanwhile, in order to protect the inside of the cylinder body 1, the nitrogen inlet pipe 23 extends upward in the center of the upper flange cover 22, and the nitrogen inlet pipe 23 communicates with the inside of the filter screen 4.

[0036] As shown in the figure, Figures 1 to 3 the connecting structure for the dismounting of the bottom is that one end of the upper curved pipe 3 extends horizontally outside the cylinder body 1 and is provided with the third flange 31, the other end of the upper curved pipe 3 is bent upward inside the cylinder body 1 and is provided with the fourth flange 32, and the connecting structure includes the fifth flange 43 which is bolted with the fourth flange 32, and the bolts between the fourth flange 32 and the fifth flange 43 can be dismounted by entering the second maintenance port 6.

[0037] In order to facilitate the maintenance and replacement of the filter structure at the top of the 7-meter-high cylinder body 1, the other side of the cylinder body 1 relative to the liquid inlet 14 is sequentially provided with the first maintenance port 5 and the second maintenance port 6 from top to bottom, and it should be noted that the connecting structure of the filter structure is located between the first maintenance port 5 and the second maintenance port 6, the first cover plate 51 is arranged on the first maintenance port 5, the hinged structure is arranged on the first cover plate 51, the second cover plate 61 is arranged on the second maintenance port 6, and the lifting structure is arranged on the second cover plate 61, the first maintenance port 5 is for the hand to enter, the second maintenance port 6 is for the body to enter, the connecting structure is located between the first maintenance port 5 and the second maintenance port 6 in the height direction, and in order to facilitate the maintenance, the second maintenance port 6 protrudes from the first maintenance port 5 in the horizontal direction, and the distance between the first maintenance port 5 and the second maintenance port 6 is less than the arm span length.

[0038] AsFigure 1 and Figure 4 As shown in the first maintenance opening 5 position hinged structure includes a first flange mouth 53, a first hinge block 54 and a second hinge block 55, the first flange mouth 53 is located between the resin inlet 12 and the liquid inlet 14 in the height direction, the first flange mouth 53 is arranged outside the first maintenance opening 5, the first cover plate 51 is connected with the first flange mouth 53 by bolts, the left side of the first cover plate 51 is provided with a handle structure 52, one side of the first hinge block 54 is hingedly fixed with one side of the second hinge block 55, the other side of the first hinge block 54 is connected with the right side of the first cover plate 51, and the other side of the second hinge block 55 is connected with the right side of the first flange mouth 53.

[0039] As shown in the first maintenance opening 5 position hinged structure includes a first flange mouth 53, a first hinge block 54 and a second hinge block 55, the first flange mouth 53 is located between the resin inlet 12 and the liquid inlet 14 in the height direction, the first flange mouth 53 is arranged outside the first maintenance opening 5, the first cover plate 51 is connected with the first flange mouth 53 by bolts, the left side of the first cover plate 51 is provided with a handle structure 52, one side of the first hinge block 54 is hingedly fixed with one side of the second hinge block 55, the other side of the first hinge block 54 is connected with the right side of the first cover plate 51, and the other side of the second hinge block 55 is connected with the right side of the first flange mouth 53. Figure 1 and Figure 4 As shown in the first maintenance opening 5 position hinged structure includes a first flange mouth 53, a first hinge block 54 and a second hinge block 55, the first flange mouth 53 is located between the resin inlet 12 and the liquid inlet 14 in the height direction, the first flange mouth 53 is arranged outside the first maintenance opening 5, the first cover plate 51 is connected with the first flange mouth 53 by bolts, the left side of the first cover plate 51 is provided with a handle structure 52, one side of the first hinge block 54 is hingedly fixed with one side of the second hinge block 55, the other side of the first hinge block 54 is connected with the right side of the first cover plate 51, and the other side of the second hinge block 55 is connected with the right side of the first flange mouth 53.

[0040] Working principle:

[0041] In use, the first cover plate 51 and the second cover plate 61 are both opened from the left side and rotated to the right side, the first maintenance opening 5 is used for the operator to observe or reach in, and the second maintenance opening 6 is used for the repairer to enter the body, when replacing the filter screen 4, the second maintenance opening 6 is entered, the bolts between the fourth flange mouth 32 and the fifth flange mouth 43 are opened, the upper flange cover 22 is opened from the top, finally the filter structure is lifted up in the first maintenance opening 5 to avoid the filter screen 4 from falling down, and finally the filter structure is taken out from the taking-out port 2.

Claims

1. A chemical filter cartridge maintenance structure, comprising a cartridge body (1), characterized in that: The top of the barrel (1) is provided with a resin inlet (12), the bottom of the barrel (1) is provided with a cone (11), the bottom of the cone (11) is provided with a resin outlet (13), the top of the barrel (1) is provided with a liquid inlet (14) below the resin inlet (12), the liquid inlet (14) extends into the barrel (1) with an upper curved pipe (3), the upper curved pipe (3) is connected with a filtering structure upward, a connecting structure is arranged between the upper curved pipe (3) and the filtering structure, the top of the barrel (1) is provided with a take-out port (2), the take-out port (2) is provided with an upper flange cover (22), the other side of the barrel (1) relative to the liquid inlet (14) is sequentially provided with a first maintenance opening (5) and a second maintenance opening (6) from top to bottom, the first maintenance opening (5) is provided with a first cover plate (51), the first cover plate (51) is provided with a hinged structure, the second maintenance opening (6) is provided with a second cover plate (61), the second cover plate (61) is provided with a lifting structure, the first maintenance opening (5) is for hand access, the second maintenance opening (6) is for body access, and the connecting structure is located between the first maintenance opening (5) and the second maintenance opening (6) in the height direction.

2. The chemical filter cartridge servicing structure of claim 1, wherein: The hinged structure comprises a first flange opening (53), a first hinged block (54) and a second hinged block (55), the first flange opening (53) is arranged on the outer side of the first maintenance opening (5), the first cover plate (51) is connected with the first flange opening (53) through bolts, one side of the first hinged block (54) is hingedly fixed with one side of the second hinged block (55), the other side of the first hinged block (54) is connected with the right side of the first cover plate (51), and the other side of the second hinged block (55) is connected with the right side of the first flange opening (53).

3. The chemical filter cartridge service structure of claim 2 wherein: The left side of the first cover plate (51) is provided with a handle structure (52), and the first flange opening (53) is located between the resin inlet (12) and the liquid inlet (14) in the height direction.

4. The chemical filter cartridge servicing structure of claim 1, wherein: The lifting structure comprises a second flange opening (63), a lifting lug (64) and a cantilever (65), the second flange opening (63) is arranged on the outer side of the second maintenance opening (6), the second cover plate (61) is connected with the second flange opening (63) through bolts, the lifting lug (64) is arranged on the top of the second cover plate (61), the top of the cantilever (65) is connected with the lifting lug (64), and the bottom of the cantilever (65) is connected with the right side of the second flange opening (63).

5. The chemical filter cartridge service structure of claim 4 wherein: The center of the outer side of the second cover plate (61) is provided with an outer pull ring (62).

6. The chemical filter cartridge service structure of claim 1, wherein: One end of the upper curved pipe (3) extends horizontally outside the barrel (1) and is provided with a third flange opening (31), the other end of the upper curved pipe (3) is bent upward inside the barrel (1) and is provided with a fourth flange opening (32), and the connecting structure comprises a fifth flange opening (43) which is bolted with the fourth flange opening (32).

7. The chemical filter cartridge service structure of claim 6 wherein: The filter structure comprises a lower fixed ring (42), a filter screen (4) and an upper fixed ring (41), the cross-sectional shape of the filter screen (4) is annular, the top of the filter screen (4) is connected with the fixed ring, the upper fixed ring (41) is concentrically arranged with the filter screen (4) and extends outward along the radial direction of the filter screen (4), the lower fixed ring (42) is concentrically arranged with the filter screen (4) and extends inward along the radial direction of the filter screen (4) and is connected with the top of the fifth flange (43), and the filter screen (4) is welded and fixed with the outer circumferential surface of the lower fixed ring (42).

8. The chemical filter cartridge service structure of claim 7, wherein: The sixth flange (21) is arranged on the outlet (2), the upper flange cover (22) is fixed with the sixth flange (21) through bolts, and the upper fixed ring (41) is clamped between the upper flange cover (22) and the sixth flange (21).

9. The chemical filter cartridge service structure of claim 8 wherein: The center of the upper flange cover (22) extends upwardly to have a nitrogen inlet pipe (23).

10. The chemical filter cartridge service structure of claim 1 wherein: The second maintenance opening (6) protrudes from the first maintenance opening (5) in the horizontal direction, and the spacing between the first maintenance opening (5) and the second maintenance opening (6) is less than the arm span length.

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