CN220793103U

CN220793103U - Boiler tube box

Info

Publication number: CN220793103U
Application number: CN202322314980.XU
Authority: CN
Inventors: 孙积文; 梁浩; 唐磊; 丁磊; 周晓; 陈晨; 王世杰
Original assignee: Sichuan Lu Heng Energy Technology Co ltd
Current assignee: Sichuan Lu Heng Energy Technology Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-16
Anticipated expiration: 2033-08-28

Abstract

The utility model belongs to the technical field of boilers, and particularly relates to a boiler tube box which comprises a boiler tube box body, wherein the boiler tube box body comprises an upper tube plate, a lower tube plate and a steel tube, a limiting piece is arranged at the top of the steel tube, a fixing piece is arranged at the bottom of the steel tube, a threaded rod is arranged on the limiting piece, a fixing block is arranged at the top of the upper tube plate, a mounting groove is formed in one side of the fixing block, a spring is arranged in the mounting groove, a limiting rod is arranged on the spring, a thin rod is arranged on the limiting rod, a clamping groove is formed in one side of the threaded rod, a movable groove is formed in the top of the fixing block, a fixing rod is arranged at the top of the fixing block, a thin hemp rope is arranged on the fixing rod, and the mounting groove is matched with one end of the limiting rod. According to the steel pipe fixing structure, the limiting piece, the fixing piece, the threaded rod, the fixing block, the mounting groove, the spring, the limiting rod, the thin rod, the clamping groove, the moving groove, the fixing rod and the thin hemp rope are arranged, so that the steel pipe fixing structure can facilitate the whole disassembly of the steel pipe, and further the disassembly, the maintenance and the replacement of the steel pipe can be facilitated.

Description

Boiler tube box

Technical Field

The utility model relates to the technical field of boilers, in particular to a boiler tube box.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy. The integral structure of the boiler comprises a boiler body, auxiliary equipment and a safety device. The main components of a hearth, a boiler barrel, a burner, a water-cooled wall, a superheater, an economizer, an air preheater, a framework, a furnace wall and the like in the boiler form a core part for producing steam, and are called a boiler body. The air preheater is a device for improving the heat exchange performance of a boiler and reducing energy consumption, and is mainly divided into a tube box type and a rotary type, wherein the tube box type is widely applied due to the characteristics of good sealing performance, high heat transfer efficiency and the like.

Application number: 202021644484.0A boiler tube box changes a boiler tube box, concretely relates to boiler technical field, including lower tube sheet and outer body, the top of tube sheet is provided with the tube sheet down, it all is provided with the outer body to run through vertically between tube sheet and the last tube sheet down, the inside of outer body is provided with dust removal structure, the outside of outer body is provided with anticorrosion structure, the top of going up the tube sheet is provided with filtration, filtration includes the framework, the framework sets up the top at last tube sheet, fixedly connected with high temperature resistant filter screen between the framework, one side of framework all swing joint has the plug, the outside of plug is provided with the mounting groove. The dust removing structure comprises the inner pipe body, the grooves, the fixing frames and the clamping blocks, and the high-temperature-resistant dust adhering films are arranged between the fixing frames, so that dust passing through the inner pipe body can be adhered to the dust adhering films, the clamping blocks are opened, the fixing frames are taken out, and the dust adhering films are replaced, so that the dust removing is more convenient.

The two ends of a plurality of groups of steel pipes of the existing boiler pipe box are usually welded on an upper pipe plate and a lower pipe plate, when a certain group of steel pipes are damaged and need to be disassembled for maintenance or replacement, the two ends of the steel pipes are difficult to separate from the welding parts, the whole disassembly of the steel pipes is inconvenient, and the disassembly, the maintenance and the replacement of the steel pipes are inconvenient.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a boiler tube box, which solves the problems that the two ends of a plurality of groups of steel tubes of the boiler tube box are welded on an upper tube plate and a lower tube plate in general, when a certain group of steel tubes are damaged and need to be disassembled for maintenance or replacement, the two ends of the steel tubes are difficult to separate from the welding parts, the whole disassembly of the steel tubes is inconvenient, and the disassembly, the maintenance and the replacement of the steel tubes are inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a boiler tube case, includes boiler tube case, boiler tube case includes tube sheet, lower tube sheet, steel pipe, the top of steel pipe is provided with the locating part, the bottom of steel pipe is provided with the mounting, be provided with the threaded rod on the locating part, the top of going up the tube sheet is provided with the fixed block, the mounting groove has been seted up to one side of fixed block, be provided with the spring in the mounting groove, be provided with the gag lever post on the spring, be provided with the thin pole on the gag lever post, the draw-in groove has been seted up to one side of threaded rod, the travel groove has been seted up at the top of fixed block, the top of fixed block is provided with the dead lever, be provided with thin hemp rope on the dead lever.

As a preferable technical scheme of the utility model, the whole limiting piece is in a circular ring shape, the size of the inner ring is the same as the outer ring diameter of the steel pipe, and the limiting piece is sleeved and fixed at the top of the steel pipe.

As a preferable technical scheme of the utility model, openings matched with the bottom ends of the steel pipes are formed in the upper tube plate and the lower tube plate, the bottom ends of the steel pipes sequentially penetrate through the upper tube plate and the lower tube plate, threads are formed in the bottom ends of the steel pipes, threaded holes matched with the threads on the steel pipes are formed in the fixing pieces, and the fixing pieces are sleeved and connected with the bottom ends of the steel pipes in a threaded mode.

As a preferable technical scheme of the utility model, the limiting piece is provided with a threaded hole which is matched with the threaded rod and penetrates through the upper tube plate, and one end of the threaded rod penetrates through the limiting piece and is connected with the top of the upper tube plate in a threaded manner.

As a preferable technical scheme of the utility model, the mounting groove is matched with one end of the limiting rod, one end of the spring is fixedly arranged at the bottom of the mounting groove, and one end of the limiting rod extends into the mounting groove and is fixedly arranged at the other end of the spring.

As a preferable technical scheme of the utility model, the movable groove is matched with the thin rod, one end of the thin rod is fixedly arranged on the extending end of the limiting rod after extending into the movable groove, the clamping groove is matched with the extending end of the limiting rod, and the extending end of the limiting rod is clamped in the clamping groove.

As a preferable technical scheme of the utility model, the fixing rod is fixedly arranged at one end of the top of the fixing block, one end of the fine hemp rope is fixed on the fixing rod, threaded rods are arranged at two ends of the limiting piece, two groups of threaded rods have the same corresponding structure, a plurality of groups of steel pipes are arranged between the upper tube plate and the lower tube plate, and the installation structures of the plurality of groups of steel pipes are the same.

Compared with the prior art, the utility model provides a boiler tube box, which has the following beneficial effects:

this boiler tube case through setting up locating part, the mounting, the threaded rod, the fixed block, the mounting groove, the spring, the gag lever post, the thin pole, the draw-in groove, the shifting chute, the dead lever, thin hemp rope, when needs change a certain steel pipe, remove one of them a set of thin pole that corresponds to the steel pipe to the direction of the dead lever that corresponds, can drive the gag lever post and remove to the mounting groove direction, stop removing the gag lever post after the extension end of gag lever post breaks away from the draw-in groove, fix thin pole and dead lever through thin hemp rope simultaneously, thin pole position is fixed, rotate a set of threaded rod that corresponds and make the threaded rod break away from the locating part, the dismantlement operation that another set of threaded rod corresponds is the same, rotate a set of mounting that the steel pipe makes the mounting break away from the steel pipe, upwards remove the steel pipe and make the steel pipe break away from down tube sheet in proper order, the dismantlement that the steel pipe can be accomplished to the upper tube sheet, when needs the installation, reverse the operation can, steel pipe this kind of fixed structure can make things convenient for whole dismantlement of steel pipe, and maintenance or change of steel pipe.

Drawings

FIG. 1 is a schematic diagram of the overall direct-view structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a spacing member mounting structure of the present utility model;

FIG. 4 is a schematic top view of a mobile trough of the present utility model;

FIG. 5 is a schematic view of the steel pipe of the present utility model in a straight view;

FIG. 6 is a schematic view of the bottom of the lower tube sheet of the present utility model.

In the figure: 1. a boiler tube box; 2. an upper tube sheet; 3. a lower tube sheet; 4. a steel pipe; 5. a limiting piece; 6. a fixing member; 7. a threaded rod; 8. a fixed block; 9. a mounting groove; 10. a spring; 11. a limit rod; 12. a thin rod; 13. a clamping groove; 14. a moving groove; 15. a fixed rod; 16. a fine twine.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, in the present embodiment: the utility model provides a boiler tube case, including boiler tube case 1, boiler tube case 1 includes tube sheet 2, down tube sheet 3, steel pipe 4, the top of steel pipe 4 is provided with locating part 5, the bottom of steel pipe 4 is provided with mounting 6, be provided with threaded rod 7 on the locating part 5, the top of going up tube sheet 2 is provided with fixed block 8, mounting groove 9 has been seted up to one side of fixed block 8, be provided with spring 10 in the mounting groove 9, spring 10 has the return effect, be provided with gag lever post 11 on the spring 10, be provided with thin pole 12 on the gag lever post 11, through the removal of thin pole 12 steerable gag lever post 11, draw-in groove 13 has been seted up to one side of threaded rod 7, remove groove 14 has been seted up at the top of fixed block 8, the top of fixed block 8 is provided with dead lever 15, be provided with thin hemp 16 on the dead lever 15.

In the embodiment, the whole limiting piece 5 is in a circular ring shape, the inner ring is the same as the outer ring of the steel pipe 4 in diameter, the limiting piece 5 is sleeved and fixed on the top of the steel pipe 4, and the limiting piece 5 can prevent the steel pipe 4 from moving downwards; the upper tube plate 2 and the lower tube plate 3 are respectively provided with an opening matched with the bottom end of the steel tube 4, the bottom end of the steel tube 4 sequentially passes through the upper tube plate 2 and the lower tube plate 3, the bottom end of the steel tube 4 is provided with threads, the fixing piece 6 is provided with a threaded hole matched with the threads on the steel tube 4, the fixing piece 6 is sleeved and connected with the bottom end of the steel tube 4 in a threaded manner, and the fixing piece 6 can prevent the steel tube 4 from moving upwards; the limiting piece 5 is provided with a threaded hole which is matched with the threaded rod 7 and penetrates through the upper tube plate 2, one end of the threaded rod 7 penetrates through the limiting piece 5 and is then connected with the top of the upper tube plate 2 in a threaded manner, and the threaded rod 7 can fix the limiting piece 5; the mounting groove 9 is matched with one end of the limiting rod 11, one end of the spring 10 is fixedly arranged at the bottom of the mounting groove 9, one end of the limiting rod 11 extends into the mounting groove 9 and is fixedly arranged at the other end of the spring 10, and when the fine hemp rope 16 for fixing the fine rod 12 is loosened by the later mounting steel pipe 4, the extending end of the limiting rod 11 extends into the clamping groove 13 again due to the return action of the spring 10; the movable groove 14 is matched with the thin rod 12, one end of the thin rod 12 extends into the movable groove 14 and is fixedly arranged on the extending end of the limiting rod 11, the clamping groove 13 is matched with the extending end of the limiting rod 11, the extending end of the limiting rod 11 is clamped in the clamping groove 13, and the limiting rod 11 can limit the threaded rod 7; the dead lever 15 fixed mounting is in the top one end of fixed block 8, and the one end of thin hemp rope 16 is fixed on dead lever 15, and the both ends of locating part 5 all are provided with threaded rod 7, and the corresponding structure of two sets of threaded rods 7 is the same, is provided with a plurality of steel pipes 4 altogether between upper tube sheet 2, the lower tube sheet 3 and a plurality of steel pipe 4's mounting structure is the same, and thin hemp rope 16 can make things convenient for the fixed of thin pole 12.

The working principle and the using flow of the utility model are as follows: the operator at first inspects whether relevant part installs the exact position, but boiler tube case 1 normal use this moment, because boiler tube case 1's relevant operation principle is familiar to the relevant field expert, so not here explain, when needs change a certain steel pipe 4, remove the corresponding one set of thin pole 12 of steel pipe 4 to the direction of corresponding dead lever 15, can drive gag lever post 11 to mounting groove 9 direction removal, the extension end of gag lever post 11 breaks away from draw-in groove 13 back stop removal gag lever post 11, fix between fine pole 12 and the dead lever 15 simultaneously through thin hemp rope 16, fine pole 12 fixed position, and when the fine hemp rope 16 of fixed fine pole 12 is released at later stage installation steel pipe 4, because spring 10's return effect, the extension end of gag lever post 11 can stretch into draw-in groove 13 once more, rotate corresponding a set of threaded rod 7 and make 7 break away from limiter 5, the corresponding dismantlement operation of another set of threaded rod 7 is the same, a set of dead lever 6 makes the mounting 6 break away from steel pipe 4, upwards remove tube sheet 4 makes tube sheet 4 and breaks away from down 3 in proper order, can accomplish the steel pipe 4 when the steel pipe 4 is removed down, can prevent the threaded rod 4 from moving up, can prevent the threaded rod 4 from moving the whole, can accomplish the limit 5 when the wire 4 is moved down, and can prevent the wire rod 4 from moving the limit 5 is moved down, and can be moved down by the 5, and can be moved by the limit stop member 4 is moved, and can be moved by the 5 is convenient to take and can be moved down, and can be moved by 4 is further the 5, can be because is convenient to be moved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A boiler tube box comprising a boiler tube box (1), characterized in that: boiler tube case (1) is including last tube sheet (2), lower tube sheet (3), steel pipe (4), the top of steel pipe (4) is provided with locating part (5), the bottom of steel pipe (4) is provided with mounting (6), be provided with threaded rod (7) on locating part (5), the top of going up tube sheet (2) is provided with fixed block (8), mounting groove (9) have been seted up to one side of fixed block (8), be provided with spring (10) in mounting groove (9), be provided with gag lever post (11) on spring (10), be provided with thin pole (12) on gag lever post (11), draw-in groove (13) have been seted up to one side of threaded rod (7), movable groove (14) have been seted up at the top of fixed block (8), the top of fixed block (8) is provided with dead lever (15), be provided with thin hemp rope (16) on the dead lever (15).

2. A boiler tube box according to claim 1, wherein: the limiting piece (5) is integrally annular, the size of the inner ring is the same as the diameter of the outer ring of the steel pipe (4), and the limiting piece (5) is sleeved and fixed at the top of the steel pipe (4).

3. A boiler tube box according to claim 1, wherein: the utility model discloses a steel pipe, including tube sheet (4), mounting (6), upper tube sheet (2), lower tube sheet (3) are gone up all to set up the opening with the bottom looks adaptation of steel pipe (4), the bottom of steel pipe (4) passes tube sheet (2), lower tube sheet (3) in proper order, the screw thread has been seted up to the bottom of steel pipe (4), set up the screw hole with the screw thread looks adaptation on steel pipe (4) on mounting (6), the bottom at steel pipe (4) is established and threaded connection to mounting (6) cover.

4. A boiler tube box according to claim 1, wherein: the limiting piece (5) is provided with a threaded hole matched with the threaded rod (7) and penetrates through the upper tube plate (2), and one end of the threaded rod (7) penetrates through the limiting piece (5) and is then connected with the top of the upper tube plate (2) in a threaded mode.

5. A boiler tube box according to claim 1, wherein: the mounting groove (9) is matched with one end of the limiting rod (11), one end of the spring (10) is fixedly arranged at the bottom of the mounting groove (9), and one end of the limiting rod (11) extends into the mounting groove (9) and is fixedly arranged at the other end of the spring (10).

6. A boiler tube box according to claim 1, wherein: the movable groove (14) is matched with the thin rod (12), one end of the thin rod (12) stretches into the movable groove (14) and then is fixedly arranged on the stretching-in end of the limiting rod (11), the clamping groove (13) is matched with the stretching-out end of the limiting rod (11), and the stretching-out end of the limiting rod (11) is clamped in the clamping groove (13).

7. A boiler tube box according to claim 1, wherein: the utility model discloses a fixed block, including fixed block (8) and fixed rod (15), fixed rod (15) and fixed rod (15) are fixed in the top one end of fixed block (8), the one end of thin hemp rope (16) is fixed on fixed rod (15), the both ends of locating part (5) all are provided with threaded rod (7), two sets of the structure that threaded rod (7) corresponds is the same, go up and be provided with a plurality of steel pipes (4) and a plurality of steel pipe (4) mounting structure is the same altogether between tube sheet (2), lower tube sheet (3).