CN216909393U

CN216909393U - Filtering device for steam drum downpipe

Info

Publication number: CN216909393U
Application number: CN202220539752.5U
Authority: CN
Inventors: 吴莉莎
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-08
Anticipated expiration: 2032-03-11

Abstract

The utility model provides a filtering device of a steam drum downpipe; according to the utility model, the filtering component is clamped on the inner wall of the second downpipe, so that cooling return water entering the second downpipe can be filtered through the filtering component, and impurities are prevented from entering the flue coil pipe; the fixture block is clamped into or moved out of the fixture hole through the elastic reset action of the reset spring, so that the filter assembly is convenient to disassemble and assemble, the disassembling process is time-saving and labor-saving, the work burden is reduced for workers, and the workers can conveniently replace and clean the filter screen; when semicircle portion filter screen and connecting portion filtration received rivers to strike or other when assaulting, buffer spring takes place elastic deformation and makes the buffer frame slide from top to bottom at the dashpot inner wall, has reduced rivers impact or other and has assaulted the condition emergence that causes deformation damage to semicircle portion filter screen and connecting portion filtration.

Description

Filtering device for steam drum downpipe

Technical Field

The utility model mainly relates to the technical field of steam drum downpipes, in particular to a filtering device of a steam drum downpipe.

Background

In the converter steelmaking production, flue cooling water enters a cooling system from a pump station, and then forms circulation between a converter vaporization flue and a vaporization steam pocket, the cooling water absorbs heat in the flue, rises rapidly in a flue coil after being heated, and enters the vaporization steam pocket after being guided by a water distribution plate, and simultaneously generates a large amount of steam; and cooling water is formed after the steam releases heat and is cooled, the cooling water descends from a steam drum downpipe, enters the flue coil together with the water supplemented by the system, and is cooled by the flue again, so that a complete circulating cooling process is completed in the system. After the flue cooling system runs for a long time, rust and dirt can be accumulated on the inner wall of the flue coil pipe, so that local dry burning, perforation and water leakage of a local smoke pipe can be formed; in addition, the water distribution plate on the side wall of the vaporization drum is generally corroded and falls off after being used for about 10 months due to long-term high-temperature steam, if the fallen water distribution plate falls on the downpipe opening at the lower part of the vaporization drum, the downpipe opening is blocked, so that the flow rate of cooling water entering the downpipe is reduced, a flue is burnt due to unsmooth circulation of the cooling water in serious cases, rust dirt in the cooling circulation water is prevented from entering the cooling circulation water from the downpipe, and the filtration device of the downpipe of the vaporization drum and even the whole flue cooling system is significant for normal operation of the vaporization drum and the whole flue cooling system, so that the filtration device of the downpipe of the vaporization drum can be used;

but the filter screen among the filter equipment of steam pocket pipe in water dismantles the structure comparatively complicacy, can lead to dismantling the process more complicated, and the dismantlement time has been prolonged to the inconvenient dismantlement, wastes time and energy, has increased the work burden for the staff to the staff of being not convenient for changes the washing to the filter screen, the filter screen is not convenient for when using moreover to the surface protection, easily causes deformation damage when receiving rivers impact or other impacts.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model provides a filtering device for a drum downpipe. The following technical scheme is adopted:

the filter comprises a first downpipe, a second downpipe and a filter assembly, wherein the first downpipe is communicated with the second downpipe through a flange, sliding grooves are symmetrically and respectively formed in the left and right sides of the inner wall of the second downpipe, sliding blocks are respectively installed on the inner walls of the sliding grooves which are symmetrically formed in a sliding mode, clamping blocks are respectively arranged at the ends, close to each other, of the two sliding blocks, a plurality of reset springs are respectively arranged at the ends, far away from the clamping blocks, of the two sliding blocks, and the ends, far away from the sliding blocks, of the reset springs are connected with the inner walls of the sliding grooves; the filter assembly comprises a circular installation frame, a buffer groove is formed in the inner wall of the circular installation frame in a surrounding mode, a plurality of buffer springs are arranged on the inner bottom surface of the buffer groove and are connected with a buffer frame, a connecting portion filter structure is connected to the inner wall of the buffer frame, a semicircular filter screen is arranged at the upper end of the connecting portion filter structure, clamping holes are formed in the left end and the right end of the circular installation frame respectively, and the filter assembly is connected with a second downpipe through the clamping holes in a clamping mode through clamping blocks.

By adopting the technical scheme, the filtering assembly is clamped on the inner wall of the second downpipe, and cooling return water entering the second downpipe can be filtered through the filtering assembly, so that impurities are prevented from entering the flue coil pipe; the fixture block is clamped into or moved out of the fixture hole through the elastic reset action of the reset spring, so that the filter assembly is convenient to disassemble and assemble, the disassembling process is time-saving and labor-saving, the work burden is reduced for workers, and the workers can conveniently replace and clean the filter screen; when semicircle portion filter screen and connecting portion filtration received rivers to strike or other when assaulting, buffer spring takes place elastic deformation and makes the buffer frame slide from top to bottom at the dashpot inner wall, has reduced rivers impact or other and has assaulted the condition emergence that causes deformation damage to semicircle portion filter screen and connecting portion filtration.

Furthermore, connecting portion filtration includes circle frame and last circle frame down, connect through a plurality of brace rods between circle frame and the last circle frame down, it is a plurality of link to each other through a plurality of filter screens between the brace rod.

By adopting the technical scheme, the lower round frame and the upper round frame are connected through the plurality of supporting ribs, so that the supporting effect can be achieved, and the deformation of the filtering structure of the connecting part is avoided.

Furthermore, the diameter of the lower circular frame is larger than that of the upper circular frame, and the shape of the connecting part filtering structure is a circular truncated cone.

By adopting the technical scheme, the diameter of the lower circular frame is larger than that of the upper circular frame, and the filtering structure of the connecting part is in the shape of a circular truncated cone, so that the filtering area can be greatly increased, the phenomenon of unsmooth water falling is avoided, and meanwhile, the falling water distribution plate is effectively supported, and the water distribution pipe is prevented from blocking a water outlet.

Furthermore, the symmetrically arranged ends, far away from each other, of the sliding grooves are respectively provided with a sliding hole in a penetrating mode, one end, far away from the clamping block, of the sliding block is provided with a pull rod, and one end, far away from the sliding block, of the pull rod penetrates through the sliding hole and is connected with a pull ring.

By adopting the technical scheme, the sliding block and the clamping block can be conveniently moved by arranging the handrail and the pull ring.

Furthermore, one end of the sliding block, which is far away from the return spring, is respectively provided with a sealing rubber gasket.

By adopting the technical scheme, the sealing rubber pad is arranged at one end of the sliding block far away from the reset spring respectively, so that the filtering component is more stable after being installed, and the sealing performance is also ensured.

Furthermore, a placing ring is arranged on the inner wall of the second water falling pipe, and the upper end of the placing ring is in contact with the lower end of the circular mounting frame.

By adopting the technical scheme, the ring is placed through the inner wall of the second water falling pipe, the upper end of the ring is placed to contact with the lower end of the circular mounting frame, and the filtering assembly can be mounted more stably.

Compared with the prior art, the utility model has the beneficial effects that:

1. the filtering assembly is clamped on the inner wall of the second downpipe, so that cooling return water entering the second downpipe can be filtered through the filtering assembly, and impurities are prevented from entering the flue coil;

2. the fixture block is clamped into or moved out of the fixture hole through the elastic reset action of the reset spring, so that the filter assembly is convenient to disassemble and assemble, the disassembling process is time-saving and labor-saving, the work burden is reduced for workers, and the workers can conveniently replace and clean the filter screen;

3. when the semicircular filter screen and the connecting part filter structure are impacted by water flow or other impacts, the buffer spring generates elastic deformation to enable the buffer frame to slide up and down on the inner wall of the buffer groove, so that the condition that the semicircular filter screen and the connecting part filter structure are deformed and damaged by the water flow impact or other impacts is reduced;

4. the lower circular frame and the upper circular frame are connected through a plurality of supporting ribs, so that the supporting effect can be achieved, and the deformation of a filtering structure of the connecting part is avoided;

5. the diameter of the lower circular frame is larger than that of the upper circular frame, and the shape of the filtering structure of the connecting part is a circular truncated cone shape, so that the filtering area can be greatly increased, the phenomenon of unsmooth water falling is avoided, and meanwhile, the falling water distribution plate is effectively supported, and the water distribution pipe is prevented from blocking a water falling port;

6. the slide block and the clamping block can be conveniently moved by arranging the handrail and the pull ring;

7. through setting up sealed cushion respectively in the one end of keeping away from reset spring at the slider, can make filter assembly installation back more stable, also guaranteed the leakproofness simultaneously.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of a first downpipe and a second downpipe according to the present invention;

FIG. 3 is a schematic view of the enlarged partial structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view of a filter assembly according to the present invention;

FIG. 5 is a schematic top view of the filter assembly of the present invention.

In the figure: 1. a first downpipe; 2. a second downpipe; 3. a chute; 4. a slider; 5. a clamping block; 6. a return spring; 7. a filter assembly; 71. a circular mounting frame; 72. a buffer tank; 73. a buffer spring; 74. a buffer frame; 75. a connection part filtering structure; 751. a lower circular frame; 752. an upper round frame; 753. supporting ribs; 76. a semicircular filter screen; 77. clamping holes; 8. a slide hole; 9. a pull rod; 10. a pull ring; 11. sealing the rubber gasket; 12. a ring is placed.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

the utility model discloses a filtering device of a steam pocket downpipe, please refer to fig. 1-5 with emphasis, which comprises a first downpipe 1, a second downpipe 2 and a filtering component 7, wherein the first downpipe 1 is communicated with the second downpipe 2 through a flange, sliding chutes 3 are respectively arranged on the inner wall of the second downpipe 2 in bilateral symmetry, sliding blocks 4 are respectively arranged on the inner walls of the sliding chutes 3 in a sliding manner, clamping blocks 5 are respectively arranged at the ends, close to each other, of the two sliding blocks 4, a plurality of reset springs 6 are respectively arranged at the ends, far away from the clamping blocks 5, of the two sliding blocks 4, and the ends, far away from the sliding blocks 4, of the plurality of reset springs 6 are connected with the inner walls of the sliding chutes 3; the filter assembly 7 comprises a circular installation frame 71, the inner wall of the circular installation frame 71 is provided with a buffer groove 72 in a surrounding manner, the inner bottom of the buffer groove 72 is provided with a plurality of buffer springs 73, the upper ends of the buffer springs 73 are connected with a buffer frame 74, the inner wall of the buffer frame 74 is connected with a connecting part filter structure 75, the upper end of the connecting part filter structure 75 is provided with a semicircular filter screen 76, the left end and the right end of the circular installation frame 71 are respectively provided with a clamping hole 77, and the filter assembly 7 is connected with a second water falling pipe 2 by clamping the clamping block 5 in the clamping hole 77.

Please refer to fig. 2-3, wherein the first downpipe 1 is connected to the second downpipe 2 through a flange, the inner wall of the second downpipe 2 is bilaterally symmetrical and provided with sliding grooves 3, the inner walls of the sliding grooves 3 are installed with sliding blocks 4, the ends of the two sliding blocks 4 close to each other are respectively provided with a clamping block 5, one ends of the two sliding blocks 4 far away from the clamping block 5 are respectively provided with a plurality of return springs 6, one ends of the return springs 6 far away from the sliding blocks 4 are connected to the inner wall of the sliding grooves 3, the ends of the sliding grooves 3 far away from each other are respectively provided with a sliding hole 8, one end of the sliding block 4 far away from the clamping block 5 is provided with a pull rod 9, one end of the pull rod 9 far away from the sliding block 4 is provided with a sliding hole 8 to connect with a pull ring 10, one end of the sliding block 4 far away from the return springs 6 is respectively provided with a sealing rubber pad 11, the inner wall of the second downpipe 2 is provided with a placing ring 12, the upper end of the placing ring 12 contacts the lower end of the circular mounting frame 71.

Referring to fig. 4-5, the filter assembly 7 includes a circular mounting frame 71, a buffer groove 72 is disposed around an inner wall of the circular mounting frame 71, a plurality of buffer springs 73 are disposed on an inner bottom surface of the buffer groove 72, an upper end of the plurality of buffer springs 73 is connected to a buffer frame 74, a connecting portion filter structure 75 is connected to an inner wall of the buffer frame 74, a semicircular filter screen 76 is disposed at an upper end of the connecting portion filter structure 75, clamping holes 77 are disposed at left and right ends of the circular mounting frame 71, the connecting portion filter structure 75 includes a lower circular frame 751 and an upper circular frame 752, the lower circular frame 751 and the upper circular frame 752 are connected by a plurality of support ribs 753, the plurality of support ribs 753 are connected by a plurality of filter screens, a diameter of the lower circular frame 751 is greater than a diameter of the upper circular frame 752, and the connecting portion filter structure 75 is in a circular truncated cone shape.

The implementation principle of the filtering device of the steam drum downpipe in the first embodiment of the utility model is as follows:

when the filter assembly 7 is installed, the pull ring 10 is moved towards the direction far away from the second downpipe 2, so that the fixture block 5 is retracted into the sliding groove 3, the return spring 6 is compressed, then the circular installation frame 71 is installed on the inner wall of the second downpipe 2, when the fixture hole 77 is aligned with the fixture block 5, the pull ring 10 is loosened, the fixture block 5 is clamped into the fixture hole 77 through the elastic return action of the return spring 6, and the installation is completed;

when the semicircular filter screen 76 and the connecting part filter structure 75 are impacted by water flow or other impacts, the buffer spring 73 is elastically deformed to enable the buffer frame 74 to slide up and down on the inner wall of the buffer groove 72, so that the deformation damage of the semicircular filter screen 76 and the connecting part filter structure 75 caused by water flow impact or other impacts is reduced;

when the filter assembly 7 is disassembled, the pull ring 10 is moved towards the direction away from the second downpipe 2, so that the clamping block 5 moves out of the clamping hole 77 and retracts into the sliding groove 3, meanwhile, the return spring 6 is compressed, and then the circular mounting frame 71 is moved towards the direction away from the second downpipe 2, and the filter assembly 7 is taken out.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. A filter equipment of drum pipe in water, includes first pipe in water (1), second pipe in water (2) and filtering component (7), its characterized in that: the first water pipe (1) is communicated with a second water pipe (2) through a flange, sliding grooves (3) are symmetrically arranged on the left and right of the inner wall of the second water pipe (2) respectively, sliding blocks (4) are installed on the inner walls of the sliding grooves (3) which are symmetrically arranged in a sliding mode respectively, clamping blocks (5) are arranged at the ends, close to each other, of the two sliding blocks (4), a plurality of reset springs (6) are arranged at the ends, far away from the clamping blocks (5), of the two sliding blocks (4), and the ends, far away from the sliding blocks (4), of the reset springs (6) are connected with the inner wall of the sliding grooves (3); filter component (7) are including circular installing frame (71), circular installing frame (71) inner wall encircles and is equipped with dashpot (72), the bottom is equipped with a plurality of buffer spring (73) in dashpot (72), and is a plurality of buffer bracket (74) is connected to buffer spring (73) upper end, buffer bracket (74) inner wall connection has connecting portion filtration (75), connecting portion filtration (75) upper end is equipped with semicircle portion filter screen (76), both ends are equipped with card hole (77) respectively about circular installing frame (71), filter component (7) are gone into card hole (77) through fixture block (5) and are linked to each other with second pipe in the water (2).

2. The drum downpipe filtering device according to claim 1, wherein: the connecting part filtering structure (75) comprises a lower circular frame (751) and an upper circular frame (752), the lower circular frame (751) and the upper circular frame (752) are connected through a plurality of supporting ribs (753), and the supporting ribs (753) are connected through a plurality of filter screens.

3. A drum downpipe filter apparatus according to claim 2, wherein: the diameter of the lower round frame (751) is larger than that of the upper round frame (752), and the shape of the connecting part filtering structure (75) is a truncated cone.

4. The drum downpipe filtering device according to claim 1, wherein: the symmetrical arrangement the one end that spout (3) kept away from each other runs through respectively and is equipped with slide opening (8), the one end that fixture block (5) were kept away from in slider (4) is equipped with pull rod (9), the one end that slider (4) were kept away from in pull rod (9) runs through slide opening (8) and connects pull ring (10).

5. The drum downpipe filtering device according to claim 1, wherein: and one end of the sliding block (4) far away from the return spring (6) is respectively provided with a sealing rubber gasket (11).

6. The filter device of the drum downpipe of claim 1, wherein: the inner wall of the second downpipe (2) is provided with a placing ring (12), and the upper end of the placing ring (12) is in contact with the lower end of the round mounting frame (71).