Filtering structure of candle filter

Abstract

The utility model relates to the technical field of filters, in particular to a candle filter filtering structure which comprises a filter cylinder, a supporting bracket is fixedly welded to the right side in the filter cylinder, a lining pipe is fixedly welded to the left side in the filter cylinder, and a filtering device is arranged between the lining pipe and the filter cylinder. The filtering device comprises a bracket connecting pipe, an embedded connecting pipe, a fastening connecting end and a collecting pipe three-way module, the right end of the bracket connecting pipe is fixedly inserted into the supporting bracket, and the left end of the embedded connecting pipe is fixedly inserted into the lining pipe; the left end of the fastening connecting end is installed in the right end of the embedded connecting pipe, and the trunk tee joint module comprises a tee joint for left end connection, a tee joint for right end connection and five sets of middle trunk tee joints which are connected in series. And filter elements are mounted below the tee joint for left end connection, the tee joint for right end connection and the tee joint of the middle trunk in a threaded assembly manner.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a candle type filter structure. Background Art

[0002] Candle filtration is a relatively advanced, safe, efficient and pollution-free new filtering method. Candle filters have the characteristics of high efficiency and energy saving, airtight and high precision, easy maintenance, safety and reliability, and a high degree of automation. They can be widely used in solid-liquid separation and filtration in industries such as petroleum, plastics, electroplating, chemicals, ceramics, pharmaceuticals, and sugar making. Its structure is mainly composed of a cylinder, filter element, filter cloth, filter aids, computer control systems and accessories.

[0003] At present, a Chinese patent with publication number CN214050648U discloses a candle filter with easy-to-clean filter cloth, which includes a cylinder body, a plurality of filter rods arranged in parallel longitudinally in the cylinder body, a filter cloth arranged on the outer periphery of the filter rod, and a liquid inlet arranged at the lower side of the cylinder body; a through hole is arranged on the filter rod, and a movable rod passes through the through hole; the bottom of the filter rod is sealed, a branch pipe is passed through the top of the filter rod, the top of the branch pipe is respectively connected to the bottom of the main pipe, one end of the main pipe is respectively connected to the vacuum pipe and the nitrogen pipe through a three-way pipe, and the other end of the main pipe is connected to a filter pipe; the bottom of the branch pipe extends to the inside of the filter rod, and a plurality of circular holes are distributed on the pipe wall of the branch pipe located inside the filter rod, and the bottom of the branch pipe is sealed.

[0004] Although this candle filter has a specific structure that allows the filter cloth to vibrate, which can successfully remove the accumulated solids on it, and the filter cloth is easy to clean and has a good cleaning effect, but: ① the distribution position of the filter element of this candle filter cannot be completely uniform, which leads to uneven distribution of the filter cake on the filter element, thereby reducing the effective filtration area of ​​the filter element; ② the structure of this candle filter is not a modular design. After a part of the structure is severely corroded, the corroded parts cannot be replaced separately and need to be replaced as a whole, resulting in excessively high economic costs. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a candle filter filtration structure, which enhances the adaptability of the filter and ensures the uniformity of filter cake distribution through modular structural design.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A candle filter filtration structure comprises a filter cylinder, a support bracket is fixedly welded on the right side of the filter cylinder, an inner liner is fixedly welded on the left side of the filter cylinder, a filter device is arranged between the inner liner and the filter cylinder, the filter device comprises a bracket connecting pipe, an embedded connecting pipe, a fastening connecting end head and a collecting pipe three-way module, the right end of the bracket connecting pipe is fixedly inserted into the interior of the support bracket, the left end of the embedded connecting pipe is fixedly inserted into the interior of the inner liner, the left end of the fastening connecting end head is installed in the interior of the right end of the embedded connecting pipe, and the collecting pipe three-way module comprises a left end A connecting tee, a right end connecting tee and five groups of intermediate collecting pipe tees connected in series, the left end connecting tee, the right end connecting tee and the intermediate collecting pipe tee have the same structure, the left end is a female port, the right end is a sub-port, the sub-port can be correspondingly inserted into the female port of the next group of structures, the right end of the fastening connecting end is fixedly inserted into the female port of the left end connecting tee, the left end of the bracket connecting pipe is inserted into the sub-port of the right end connecting tee, and this surface is a blocking surface, and the medium will not flow, and a filter element is installed below the left end connecting tee, the right end connecting tee and the intermediate collecting pipe tee by threaded assembly.

[0008] Furthermore, the left-end connecting tee, the right-end connecting tee and the middle collecting pipe tee are provided with tee grooves inside, the sub-port is provided with an insert block protruding to the right, the female port is provided with a connecting groove for inserting the sub-port, the groove diameter near the female port in the tee groove is larger than the groove diameter near the sub-port, and the groove diameter gradually shrinks from left to right as a whole, and a threaded mounting groove for installing a filter element is provided at the lower end of the tee groove.

[0009] Furthermore, the embedded connecting pipe includes a connecting pipe body and a threaded connecting block wrapped around the outside of the connecting pipe body, the right end of the connecting pipe body is provided with a step protruding along the outside, and the threaded connecting block is fixedly welded to the outside of the step.

[0010] Furthermore, the right end of the step cooperates with the fastening connection end, the fastening connection end is threadedly assembled inside the threaded connection block, and the left end of the fastening connection end is provided with a peripheral protrusion adapted to the step-shaped structure, and a sealing ring is installed between the peripheral protrusion and the connecting pipe body.

[0011] Furthermore, a stabilizing connecting rod is fixedly welded inside the support bracket, and the stabilizing connecting rod runs through the frame of the support bracket. Two ends of the stabilizing connecting rod are respectively fixed to two ends of the inner wall of the filter cylinder.

[0012] In summary, the utility model has the following beneficial effects:

[0013] ① The filter module of the utility model has the characteristics of modularization. It can be freely combined with the filter module set in the middle through the connectors on both sides. The degree of free combination in the filter module is also relatively high. According to different working conditions, different numbers of manifold tees can be selected for series installation. The number of filter elements under the manifold tees can also be freely set. Overall, it can adapt to the distribution requirements of most manifolds with different filter areas.

[0014] ② The tee pipes produced by modular mold opening in the utility model have consistent specifications, which can ensure that the center distance of the tee pipe is constant, so that the filter elements connected by the thread at the bottom of the tee pipe are evenly distributed, and the filter cakes formed by the filter elements during filtering are evenly distributed;

[0015] ③ The utility model has good reliability when used in corrosive media conditions, and the overall cost has certain cost advantages compared to metal collecting pipes such as titanium or Hastelloy. The modular design partially shares the corrosion pressure of a single collecting pipe, and on the other hand, it is also convenient to replace the modular components at any time after corrosion occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application, but do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This utility model Figure 1 The enlarged schematic diagram of point A in the middle;

[0019] Figure 3 It is a structural schematic diagram of a single collecting pipe tee in the utility model.

[0020] In the figure, 1. filter cylinder; 2. support bracket; 3. liner tube; 4. bracket connecting tube; 5. embedded connecting tube; 6. fastening connecting end; 7. tee for left end connection; 8. tee for right end connection; 9. middle collecting pipe tee; 10. plug-in block; 11. threaded mounting groove; 12. filter element; 13. tee groove; 14. threaded connecting block; 15. step; 16. outer protrusion; 17. sealing ring; 18. stabilizing connecting rod. DETAILED DESCRIPTION

[0021] The above and other technical contents, features and functions of the present invention are described in detail below with reference to the attached Figure 1 To Attachment Figure 3 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the drawings in the specification.

[0022] Various exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

[0023] Embodiment 1: A candle filter filtration structure comprises a filter cylinder 1, a support bracket 2 is fixedly welded to the right side of the filter cylinder 1, an inner liner tube 3 is fixedly welded to the left side of the filter cylinder 1, a filtering device is arranged between the inner liner tube 3 and the filter cylinder 1, the filtering device comprises a bracket connecting tube 4, an embedded connecting tube 5, a fastening connecting end head 6 and a collecting tube three-way module, the right end of the bracket connecting tube 4 is fixedly inserted into the interior of the support bracket 2, the left end of the embedded connecting tube 5 is fixedly inserted into the interior of the inner liner tube 3, the left end of the fastening connecting end head 6 is installed in the right end of the embedded connecting tube 5, and the collecting tube three-way module comprises a left end connecting tube 4, a right ... Using a tee 7, a right end connecting tee 8 and five groups of intermediate collecting pipe tees 9 connected in series, the left end connecting tee 7, the right end connecting tee 8 and the intermediate collecting pipe tee 9 have the same structure, the left end is a female port, and the right end is a sub-port, the sub-port can be correspondingly inserted into the female port of the next group of structures, the right end of the fastening connection end 6 is fixedly inserted into the female port of the left end connecting tee 7, the left end of the bracket connecting pipe 4 is inserted into the sub-port of the right end connecting tee 8, and this surface is a blocking surface, and the medium will not flow, and a filter element 12 is installed below the left end connecting tee 7, the right end connecting tee 8 and the intermediate collecting pipe tee 9 by threaded assembly.

[0024] The left-end connecting tee 7, the right-end connecting tee 8 and the middle collecting pipe tee 9 are provided with a tee groove 13 inside, the sub-port is provided with an insert block 10 protruding to the right, and the female port is provided with a connecting groove for the sub-port to be inserted. The groove diameter near the female port in the tee groove 13 is larger than the groove diameter near the sub-port. As a whole, the groove diameter gradually shrinks from left to right. This structure can automatically slow down the medium, prevent the medium from flowing too fast and causing more serious corrosion damage to the inner wall of the collecting pipe tee, thereby extending the service life of the structure. A threaded mounting groove 11 for installing a filter element 12 is provided at the lower end of the tee groove 13.

[0025] The embedded connecting pipe 5 includes a connecting pipe body and a threaded connecting block 14 wrapped around the outside of the connecting pipe body. The right end of the connecting pipe body is provided with a step 15 protruding along the outside, and the threaded connecting block 14 is fixedly welded to the outside of the step 15 .

[0026] The right end of the step 15 cooperates with the fastening connection end 6, and the fastening connection end 6 is threadedly assembled inside the threaded connection block 14, and the left end of the fastening connection end 6 is provided with a peripheral protrusion 16 whose shape structure is adapted to the step 15, and a sealing ring 17 is installed between the peripheral protrusion 16 and the connecting pipe body. The setting of the sealing ring 17 can enhance the sealing reliability of the medium inlet side and prevent the medium from leaking from the connecting gap between the connecting pipe body and the fastening connection end 6. In particular, if the filter conveys highly corrosive media, the safety and reliability of the structure will be greatly enhanced.

[0027] A stabilizing link 18 is welded and fixed inside the support bracket 2 . The stabilizing link 18 runs through the body of the support bracket 2 . Two ends of the stabilizing link 18 are respectively fixed to two ends of the inner wall of the filter cylinder 1 .

[0028] This filtering structure is essentially formed by connecting seven groups of collecting pipe tees with the same structure in series. In actual work, different numbers of collecting pipe tees can be selected in series according to the working conditions in a similar way to building blocks, so as to form collecting pipes of different lengths. Each group of tees contains a female and male port with a certain taper, which is connected end to end. The tees with this internal structure and modular mold opening have consistent specifications, which can ensure that the center distance of the tee is constant, so that the filter element 12 threaded at the bottom of the tee will be evenly distributed, and the filter cake formed by the filter element 12 during filtering will be evenly distributed. In addition, the overall modular design can immediately disassemble and replace the corresponding parts in case of leakage, severe corrosion, etc., to ensure the basic performance of the filter is intact.

[0029] The above is a further detailed description of the present invention in combination with a specific implementation method, and it cannot be determined that the specific implementation of the present invention is limited to this; for technical personnel in the field of the present invention and related technical fields, based on the technical solution of the present invention, the expansion and replacement of operating methods and data should all fall within the protection scope of the present invention.

Claims

1. A candle filter structure, comprising a filter cylinder (1), characterized in that: A support bracket (2) is fixedly welded to the right side of the filter cylinder (1), and an inner lining tube (3) is fixedly welded to the left side of the filter cylinder (1). A filtering device is provided between the inner lining tube (3) and the filter cylinder (1), and the filtering device comprises a bracket connecting tube (4), an embedded connecting tube (5), a fastening connecting end head (6) and a collecting pipe three-way module. The right end of the bracket connecting tube (4) is fixedly inserted into the inside of the support bracket (2), the left end of the embedded connecting tube (5) is fixedly inserted into the inside of the inner lining tube (3), the left end of the fastening connecting end head (6) is installed inside the right end of the embedded connecting tube (5), and the collecting pipe three-way module comprises a left end connecting tee (7), a right end connecting tee (8) and a collecting pipe three-way module. and five groups of intermediate collecting pipe tees (9) connected in series with each other. The structures of the left end connecting tee (7), the right end connecting tee (8) and the intermediate collecting pipe tee (9) are the same, the left end is a female port, and the right end is a sub-port, the sub-port can be correspondingly inserted into the female port of the next group of structures, the right end of the fastening connection end (6) is fixedly inserted into the female port of the left end connecting tee (7), the left end of the bracket connecting pipe (4) is inserted into the sub-port of the right end connecting tee (8), and the connection between the bracket connecting pipe (4) and the right end connecting tee (8) is a blocking surface, and the medium will not flow. The filter element (12) is installed below the left end connecting tee (7), the right end connecting tee (8) and the intermediate collecting pipe tee (9) by threaded assembly.

2. A candle filter structure according to claim 1, characterized in that: The left end connecting tee (7), the right end connecting tee (8) and the middle collecting pipe tee (9) are provided with tee grooves (13) inside, the sub-port is provided with an insert block (10) protruding to the right, the female port is provided with a connecting groove for the sub-port to be inserted, the groove diameter of the tee groove (13) near the female port is larger than the groove diameter near the sub-port, and the groove diameter gradually shrinks from left to right as a whole, and the lower end of the tee groove (13) is provided with a threaded mounting groove (11) for mounting a filter element (12).

3. The candle filter structure according to claim 1, characterized in that: The embedded connecting pipe (5) comprises a connecting pipe body and a threaded connecting block (14) wrapped around the outside of the connecting pipe body, the right end of the connecting pipe body is provided with a step (15) protruding along the outside, and the threaded connecting block (14) is fixedly welded to the outside of the step (15).

4. A candle filter structure according to claim 3, characterized in that: The right end of the step (15) cooperates with the fastening connection end head (6), the fastening connection end head (6) is threadedly assembled inside the threaded connection block (14), and the left end of the fastening connection end head (6) is provided with a peripheral protrusion (16) with a structure matching the shape of the step (15), and a sealing ring (17) is installed between the peripheral protrusion (16) and the connecting pipe body.

5. The candle filter structure according to claim 1, characterized in that: A stabilizing connecting rod (18) is fixedly welded inside the support bracket (2), the stabilizing connecting rod (18) passes through the body of the support bracket (2), and the two ends of the stabilizing connecting rod (18) are respectively fixed to the two ends of the inner wall of the filter cylinder (1).

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