CN218924707U

CN218924707U - Filler grid module

Info

Publication number: CN218924707U
Application number: CN202221987546.7U
Authority: CN
Inventors: 陈倩倩; 张云翠; 兰俊; 耿燕飞; 鲁一娴
Original assignee: China Petroleum and Chemical Corp; Sinopec North China Oil and Gas Co
Current assignee: China Petroleum and Chemical Corp; Sinopec North China Oil and Gas Co
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-04-28
Anticipated expiration: 2032-07-29

Abstract

The present utility model relates to the assembly of a filler grid, and in particular to a filler grid module. The filler grid module comprises filler grids which are arranged in a stacking manner along the up-down direction, wherein the filler grids comprise a cylindrical shell, and a grid body is arranged in the cylindrical shell; the filling material device further comprises at least two grating mounting seats, wherein each grating mounting seat is distributed along the circumferential direction of each filling material grating which is arranged in a stacking way, and each filling material grating is vertically movably arranged on each grating mounting seat; the cylindrical shells of the two adjacent filling grids are arranged at intervals up and down, and a supporting spring is arranged between the two adjacent filling grids. The utility model can solve the problems that the prior filler grids are easy to wear and influence the service life.

Description

Filler grid module

Technical Field

The present utility model relates to the assembly of a filler grid, and in particular to a filler grid module.

Background

Petrochemical industry refers to the field of chemical production by taking petroleum as a raw material in chemical industry, and in modern industry, petrochemical industry becomes a backbone industry in chemical industry and plays an extremely important role in national economy. Because of the importance of petrochemical industry, the applied fields are more and more numerous, and the filler grids become indispensable auxiliary devices for petrochemical industry.

In the prior art, the filler grid technology for petrochemical equipment is mature, and the prior art generally comprises a cylindrical shell, wherein a grid body is arranged in the cylindrical shell. In order to meet the corresponding performance requirements, the improvement direction of the filler grating at present mainly improves the trafficability of materials on grating equipment by improving the material of the grating body and the gap arrangement of the grating body besides optimizing the grating body structure of the filler grating at least in part.

However, when the filler grids are used, a plurality of filler grid modules are generally arranged in a vertically stacked mode, and relative movement can be generated when corresponding petrochemical equipment is operated, so that abrasion occurs between the filler grids, and the service life of the filler grids is affected.

Disclosure of Invention

The utility model aims to provide a filler grid module, which solves the problems that the existing filler grids are easy to wear and the service life is influenced.

The filler grid module adopts the following technical scheme:

the filler grid module comprises filler grids which are arranged in a stacking manner along the up-down direction, wherein the filler grids comprise a cylindrical shell, and a grid body is arranged in the cylindrical shell; the filling material device further comprises at least two grating mounting seats, wherein each grating mounting seat is distributed along the circumferential direction of each filling material grating which is arranged in a stacking way, and each filling material grating is vertically movably arranged on each grating mounting seat; the cylindrical shells of the two adjacent filling grids are arranged at intervals up and down, and a supporting spring is arranged between the two adjacent filling grids.

The beneficial effects of above-mentioned technical scheme are, through setting up the grid mount pad, each filler grid can be followed upper and lower direction activity and set up on the grid mount pad, is equipped with supporting spring between the adjacent two filler grids of cooperation, and adjacent filler grid can realize upper and lower interval arrangement, compares with direct range upon range of arrangement among the prior art, can rely on supporting spring to realize floating under corresponding effect in the use, can realize the self-adaptation of upper and lower position and adjust, improves the degree of freedom, can avoid taking place wearing and tearing between the adjacent two filler grids again.

As a further defined technical solution: and the grid mounting seat is provided with a grid limiting structure for limiting the up-and-down movement stroke of each filler grid respectively.

The technical scheme further defined above has the beneficial effects that the grid limiting structure can ensure the integral shape of the filler grid module, and is convenient to assemble, disassemble and maintain.

As a further defined technical solution: the grid mounting seat is provided with a guide groove on one side close to the filler grid, at least one cylindrical shell of the filler grid is provided with guide lugs which are inserted in the guide groove along the up-down direction, and the upper end and the lower end of the guide groove are closed to form the grid limiting structure.

The technical scheme further defined above has the beneficial effects that the guide groove is matched with the guide lug, so that the structure is simple, and the processing and the assembly are convenient.

As a further defined technical solution: the guide lug part is a connecting rod extending along the radial direction of the cylindrical shell.

The technical scheme further defined above has the beneficial effects that the connecting rod is convenient to process and beneficial to reducing the overall weight.

As a further defined technical solution: the guide groove comprises a guide cavity and an avoidance cavity which are arranged along the radial direction of the cylindrical shell, the guide lug penetrates through the avoidance cavity, and the tail end of the guide lug is in guide fit with the guide cavity.

The technical scheme further defined above has the beneficial effects that the area of the guiding matching part can be reduced, so that the processing is convenient, and the processing cost is reduced.

As a further defined technical solution: the tail end of the connecting rod is provided with a ball head, and the cross section of the guide cavity is in a circular arc shape matched with the ball head.

The technical scheme further limited has the beneficial effects that the ball head is adopted to be matched with the guide cavity with the circular arc cross section, so that clamping stagnation between the connecting rod and the guide cavity can be avoided, flexible action of the filler grid is guaranteed, and the working reliability is improved.

As a further defined technical solution: one of the cylindrical shells of two adjacent filler grids is provided with a guide post extending up and down, and the other is provided with a guide hole for guiding and inserting the guide post.

The technical scheme further defined above has the beneficial effects that the guide posts and the guide holes are arranged to realize the guide of two adjacent filler grids, so that the action is more reliable.

As a further defined technical solution: the guide hole comprises a small-diameter section positioned at the orifice and a large-diameter hole section adjacent to the small-diameter hole section, a limiting step is formed at the adjacent part of the small-diameter hole section and the large-diameter hole section, and a limiting section used for being blocked and matched with the limiting step along the upper and lower directions is arranged at the tail end of the guide column, and the diameter of the limiting section is larger than that of the adjacent part.

The technical scheme further defined above has the beneficial effects that the limiting section can play an axial limiting role, so that the supporting spring keeps a certain pretightening force, and the excessive movement adjusting amplitude of the filler grating is avoided.

As a further defined technical solution: the supporting spring is sleeved on the guide post.

The technical scheme further defined above has the beneficial effects that the guide post can play a role in righting the supporting spring, so that the reliable work of the supporting spring is ensured.

As a further defined technical solution: an inner protective sleeve is arranged between the radial inner sides of the two adjacent cylindrical shells, an outer protective sleeve is arranged between the radial outer sides, and a supporting spring is arranged between the inner protective sleeve and the outer protective sleeve; the inner protective sleeve and the outer protective sleeve can adapt to the change of the spacing between adjacent filler grids by means of deformation of the inner protective sleeve and the outer protective sleeve.

The technical scheme further defined above has the beneficial effects that the inner protective sleeve and the outer protective sleeve can play a protective role on parts between the inner protective sleeve and the outer protective sleeve, so that the normal work of corresponding parts is prevented from being influenced by working environment, and the reliability and the stability of the filler grid module are improved.

Drawings

FIG. 1 is a schematic view of the structure of embodiment 1 of the filler grid module of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a partial enlarged view at B in fig. 1.

The names of the corresponding components in the figures are: 10. a filler grid; 11. a cylindrical housing; 12. a grid body; 13. an inner ring body; 14. an outer ring body; 15. an intermediate support; 16. a guide ear; 17. ball head; 20. a grille mounting base; 21. a guide groove; 22. a guide cavity; 23. avoiding the cavity; 30. a support spring; 41. a guide post; 42. a limiting section; 43. a guide hole; 44. a small diameter hole section; 45. a large diameter hole section; 46. a positioning ring; 51. an inner protective sleeve; 52. and an outer protective sleeve.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It should be noted that in the present embodiment, relational terms such as "first" and "second" and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the phrase "comprising one … …" or the like, as may occur, does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the depicted element.

In the description of the present utility model, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "provided" as may occur, for example, as an object of "provided" may be a part of a body, may be separately arranged from the body, and may be connected to the body, and may be detachably connected or may be non-detachably connected. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

The present utility model is described in further detail below with reference to examples.

Example 1 of a filler grid module in the present utility model:

the filler grid module is a filler grid module for petrochemical equipment, as shown in fig. 1 and 2, the filler grid module comprises three filler grids 10 which are arranged in a stacked manner along the up-down direction and six grid installation seats 20 which are uniformly distributed along the circumferential direction of each filler grid 10, and each filler grid 10 is vertically movably arranged on the grid installation seat 20. The main body structure of the filler grating 10 is in the prior art, and comprises a cylindrical shell 11, wherein a grating body 12 is arranged in a circular cavity formed by the cylindrical shell 11; as shown in fig. 4, the cylindrical housing 11 includes an inner ring body 13 and an outer ring body 14 arranged in a radially inner and outer layer, with an intermediate support body 15 provided between the inner ring body 13 and the outer ring body 14. The cylindrical shells 11 of the two adjacent filling grids 10 are arranged at intervals up and down, four supporting springs 30 which are uniformly distributed along the circumferential direction are arranged between the two adjacent filling grids 10, and each supporting spring 30 corresponds to one grid installation seat 20.

In order to realize the up-and-down movement of each filler grating 10, as shown in fig. 1 and 3, a guiding groove 21 is arranged on the grating mounting seat 20, and a guiding lug 16 which is outwards suspended in the radial direction is arranged on the cylindrical shell 11 of the filler grating 10. The guide slot 21 is arranged on one side of the grid mounting seat 20, which is close to the filler grid 10, the guide slot 21 comprises two cavities, namely a guide cavity 22 and an avoidance cavity 23 which are arranged along the radial direction of the cylindrical shell 11, and the guide cavity 22 and the avoidance cavity 23 extend along the up-down direction. The guide lug 16 is a connecting rod extending along the radial direction of the cylindrical shell 11, the connecting rod is fixed on the side wall of the cylindrical shell 11, penetrates through the avoidance cavity 23, and the tail end is in guide fit with the guide cavity 22. The tail end of the connecting rod is a ball head 17 which is larger than a hemisphere, so that the end face of the tail end of the connecting rod forms a sphere; correspondingly, the cross section of the guiding cavity 22 of the guiding groove 21 is of an arc structure. The connecting rod adopts a ball head structure to realize smooth movement, avoid the clamping stagnation condition between the connecting rod and the guide groove 21 and ensure the stable and reliable action of each filler grid 10.

The lowermost end of the guide groove 21 is provided with a plug hole (omitted in the figure) extending along the radial direction of the cylindrical shell 11, the aperture of the plug hole is larger than the diameter of the ball head 17, and when the grille installation seat 20 is assembled, the grille installation seat 20 is radially sleeved on the connecting rod along the cylindrical shell 11, so that the ball head 17 of the connecting rod corresponds to the guide cavity 22 of the guide groove 21 up and down, and then the grille installation seat 20 moves upwards relative to the cylindrical shell 11, so that the grille installation seat 20 and the cylindrical shell 11 can be assembled. In other embodiments, the ball 17 and the rod body of the connecting rod may be configured as a split structure, a ball mounting hole is provided on the side surface of the grid mounting seat 20, the ball 17 is installed into the guiding cavity 22 through the ball mounting hole, and then the ball 17 and the rod body of the connecting rod are connected or welded by a screw thread mode.

The guide grooves 21 are closed at the upper and lower ends thereof to form a grill stopper structure for restricting the upward and downward movement strokes of the respective packing grills 10. In this way, each packing grid 10 can maintain its own initial position under the support of the support springs 30, and can adaptively adjust the up-down direction position within the corresponding range of motion.

In order to improve the movement reliability of each filler grating 10, in the two adjacent filler gratings 10, a guide post 41 extending up and down is fixedly arranged on the cylindrical shell 11 of the filler grating 10 positioned above, and the guide post 41 is cylindrical; the cylindrical housing 11 of the lower packing grid 10 is provided with guide holes 43 for guiding the guide posts 41. The guide hole 43 is a blind hole and comprises a small-diameter hole section 44 and a large-diameter hole section 45, the small-diameter hole section 44 is positioned at the orifice, the large-diameter hole section 45 is adjacent to the small-diameter hole section 44, and the adjacent parts of the small-diameter hole section 44 and the large-diameter hole section 45 form downward limiting steps. Correspondingly, the lower end of the guide post 41 is provided with a limit section 42, and the diameter of the limit section 42 is larger than that of the adjacent part, so that the guide post can be in stop fit with the limit step along the up-down direction. A positioning ring 46 is fixed on the inner wall of the small-diameter hole section 44, and the positioning ring 46 is in sliding fit with the outer peripheral surface of the guide post 41 along the up-down direction. Simultaneously, the limiting section 42 is in sliding fit with the large-diameter hole section 45 along the up-down direction. In order to facilitate the installation of the limiting section 42, the main bodies of the limiting section 42 and the guide post 41 are in a split structure, a split structure is also arranged between the small-diameter hole section 44 and the large-diameter hole section 45 of the guide hole 43, and the limiting section 42 is assembled after being installed in the large-diameter hole section 45.

In order to ensure flexible action and working stability of the packing grid 10, an inner protecting sleeve 51 is arranged between the inner ring bodies 13 of two adjacent cylindrical shells 11, an outer protecting sleeve 52 is arranged between the outer ring bodies 14, the outer protecting sleeve 52 is a flexible rubber sleeve, and the supporting springs 30 are arranged between the inner protecting sleeve 51 and the outer protecting sleeve 52. The inner and outer

protective sleeves

51, 52 can adapt to the change in the spacing between adjacent filler grids 10 by virtue of their own deformation, and can protect the components in the space between the inner and outer

protective sleeves

51, 52.

Example 2 of the filler grid module in the present utility model:

this embodiment differs from embodiment 1 in that: in embodiment 1, the filler grid 10 is guided and assembled in the guide groove 21 on the grid mounting seat 20 by the guide lug 16, so as to realize up-and-down movement. In this embodiment, an annular groove is disposed on the side of the grid mounting seat 20 near the filler grid 10, and the annular groove is in an up-down split structure, and the filler grid 10 is directly embedded in the annular groove and can move in the annular groove in an up-down guiding manner.

Example 3 of a filler grid module in the present utility model:

this embodiment differs from embodiment 1 in that: in embodiment 1, the guiding lug 16 is a connecting rod, and the tail end is provided with a ball head 17; the guide groove 21 comprises a guide cavity 22 and a avoidance cavity 23, and is in guide fit with the guide cavity 22 through the ball head 17. In this embodiment, the guide lug 16 is a guide block, and the shape of the guide groove 21 is adapted to the cross-sectional shape of the guide block, and is directly matched with the guide groove 21 in a guide manner.

Example 4 of a filler grid module in the present utility model:

this embodiment differs from embodiment 1 in that: in embodiment 1, guide posts 41 are arranged between two adjacent filler grids 10, and support springs 30 are sleeved on the guide posts 41. In this embodiment, the two ends of the supporting spring 30 are directly adapted to the spring positioning grooves on the filler grids 10 on the upper and lower sides, and the spring positioning grooves form spring seats for positioning the supporting spring 30.

The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The filler grid module comprises filler grids (10) which are arranged in a stacking manner along the up-down direction, wherein the filler grids (10) comprise a cylindrical shell (11), and a grid body (12) is arranged in the cylindrical shell (11); the novel filling material device is characterized by further comprising at least two grid installation seats (20), wherein each grid installation seat (20) is distributed along the circumferential direction of each filling material grid (10) which is arranged in a stacked mode, and each filling material grid (10) is vertically movably arranged on each grid installation seat (20); the cylindrical shells (11) of two adjacent filling grids (10) are arranged at intervals up and down, and a supporting spring (30) is arranged between the two adjacent filling grids (10).

2. The packing grid module according to claim 1, wherein the grid mounting base (20) is provided with a grid limiting structure for limiting the up-and-down movement stroke of each packing grid (10) respectively.

3. The filler grid module according to claim 2, characterized in that a guide groove (21) is arranged on one side of the grid mounting seat (20) close to the filler grid (10), guide lugs (16) which are inserted in the guide groove (21) along the up-down direction are arranged on the cylindrical shell (11) of at least one filler grid (10), and the upper end and the lower end of the guide groove (21) are closed to form the grid limiting structure.

4. A filler grid module according to claim 3, characterized in that the guide lugs (16) are connecting rods extending in the radial direction of the cylindrical housing (11).

5. The filler grid module according to claim 4, characterized in that the guide groove (21) comprises a guide cavity (22) and a avoidance cavity (23) which are arranged along the radial direction of the cylindrical shell (11), the guide lug (16) passes through the avoidance cavity (23), and the tail end is in guide fit with the guide cavity (22).

6. The filler grid module according to claim 5, characterized in that the end of the connecting rod is provided with a ball head (17), the cross section of the guiding cavity (22) being circular arc adapted to the ball head (17).

7. The filler grid module according to claim 1 or 2 or 3 or 4, characterized in that one of the cylindrical housings (11) of two adjacent filler grids (10) is provided with a guide post (41) extending up and down, and the other is provided with a guide hole (43) for guiding the guide post (41) to be inserted.

8. The filler grid module according to claim 7, characterized in that the guide hole (43) comprises a small-diameter section at the orifice and a large-diameter hole section (45) adjacent to the small-diameter hole section (44), the small-diameter hole section (44) and the adjacent part of the large-diameter hole section (45) form a limit step, the end of the guide post (41) is provided with a limit section (42) for being in stop fit with the limit step along the up-down direction, and the diameter of the limit section (42) is larger than the diameter of the adjacent part.

9. The filler grid module of claim 7, wherein the support spring (30) is sleeved on a guide post (41).

10. The filler grid module according to claim 1 or 2 or 3 or 4, characterized in that an inner protective sleeve (51) is arranged between the radial inner sides of adjacent two cylindrical shells (11), an outer protective sleeve (52) is arranged between the radial outer sides, and the supporting springs (30) are arranged between the inner protective sleeve (51) and the outer protective sleeve (52); the inner protective sleeve (51) and the outer protective sleeve (52) can adapt to the change of the distance between the adjacent filler grids (10) by means of deformation of the inner protective sleeve and the outer protective sleeve.