Fuel conveying system of decomposing furnace

By using support seats, pushing components, bellows and elastic components in the decomposition furnace fuel delivery system, the problem of instability of the burner state caused by hose connection is solved, and the stable connection between the burner and the main pipe is achieved and the stability and safety of the system is facilitated, which is convenient for maintenance and replacement.

CN222799043UActive Publication Date: 2025-04-25AVIC INT BEIJING
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Patent Information

Application Number
CN202421000137.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-04-25
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

In the existing decomposition furnace fuel delivery system, the hose connection causes the burner to be unstable and poses a safety risk.

Method used

A decomposition furnace fuel delivery system is designed, using support seats, pushing components, corrugated pipes and elastic components. The pushing parts drive the sealing plate and connecting blocks to move. The main pipe maintains a stable connection with the burner, and the corrugated pipes and springs ensure connectivity and airtightness.

Benefits of technology

The stable connection between the burner and the main pipe is achieved, the stability and safety of the decomposition furnace fuel delivery system is ensured, and the maintenance and replacement of the burner is facilitated.

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Abstract

The utility model discloses a fuel conveying system of a decomposing furnace, which relates to the technical field of decomposing furnaces and comprises a furnace body and a protective cylinder which are fixedly connected. According to the utility model, the sealing plate is driven to move upwards by the pushing piece I, the sealing plate is separated from the protective cylinder, the connecting block is pushed by the pushing piece II, the connecting block slides along the horizontally arranged chute and is linked with the main pipe, the corrugated pipe between the main pipe and the burner ensures the connectivity of the main pipe and the burner, and the spring ensures the stable connection of the main pipe and the burner; along with the movement of the connecting block, the combustor penetrates through the protective barrel until the combustor is combined with the interior of the furnace body, the convex ring abuts against the outer surface wall of the protective barrel, the corrugated pipe synchronously shrinks while the spring is extruded, and therefore communication between the combustor and the main pipe is guaranteed, and the air tightness between the protective barrel and the first convex ring is guaranteed through the elastic force of the spring. Therefore, the use stability of the fuel conveying system of the decomposing furnace is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of decomposition furnaces, in particular to a decomposition furnace fuel delivery system. Background Art

[0002] The decomposition furnace is a new type of thermal equipment that simultaneously carries out fuel combustion, heat exchange and decomposition reaction. There are many types and forms of it. The basic principle is: preheated raw materials, a certain amount of fuel and an appropriate amount of hot gas are fed into the decomposition furnace at the same time. The raw materials are suspended or boiling in the furnace. Below 900°C, the fuel burns flamelessly, and the heat transfer and calcium carbonate decomposition process are completed at a high speed.

[0003] For example, a decomposition furnace fuel delivery system provided by patent application number CN202321671702.3 includes a burner and a delivery pipeline, one end of the burner is fixed on the delivery pipeline, a slide is fixed on the outer cylinder wall of the decomposition furnace, a second telescopic cylinder is fixed on the slide, the piston rod of the second telescopic cylinder is arranged toward the decomposition furnace and a sliding support frame is connected to the end thereof, the sliding support frame is fixedly connected to the delivery pipeline and can move back and forth along the slide.

[0004] Based on the above search and in combination with the prior art, it is found that in the prior art, a decomposition furnace fuel delivery system similar to the one disclosed above uses a second telescopic cylinder to control the advancement or withdrawal of the burner, which effectively avoids the safety risks of personnel directly disassembling the burner. In the specific implementation process, the main pipe is connected to the burner through a hose. Since the hose often cannot ensure the stability of the burner state, a decomposition furnace fuel delivery system is proposed to improve the above problem. Utility Model Content

[0005] The purpose of the present application is to provide a decomposition furnace fuel delivery system to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a decomposition furnace fuel delivery system, comprising a furnace body and a protective tube, the furnace body and the protective tube are fixedly connected, and a protective tube sealing assembly is arranged on the outside of the protective tube, the outer wall of the furnace body is fixedly connected to a support seat, a main pipe and a burner are arranged above the support seat, and a pushing assembly for horizontally pushing the main pipe is arranged inside the support seat, a bellows is fixedly connected between the main pipe and the burner, a convex ring 1 and a convex ring 2 are respectively fixedly connected to the outer wall of the main pipe and the burner, and an elastic part for maintaining a stable connection between the burner and the main pipe is arranged between the convex ring 1 and the convex ring 2.

[0007] As a further supplement to the present solution, the vertical end of the support seat is fixedly connected to the furnace body via a locking rod, and a rubber block is interference-fitted on the inner surface wall of the vertical end of the support seat, and the rubber block abuts against the locking rod.

[0008] As a further supplement to the present solution, the sealing assembly includes a connecting bin fixedly connected to the protective tube, a pusher 1 is fixedly connected to the top of the connecting bin, a sealing plate is fixedly connected to the output end of the pusher 1, and the outer wall of the sealing plate is slidably connected to the connecting bin and the inner wall of the protective tube.

[0009] As a further supplement to the present solution, a base frame is fixedly connected to the bottom of the connection bin, and the base frame is fixedly connected to the top of the support seat by screws.

[0010] As a further supplement to the present solution, the pushing assembly includes a pushing member 2 fixedly connected to the support seat, the output end of the pushing member 2 is fixedly connected to a connecting block fixedly matched with the outer wall of the main pipe, and the connecting block is slidably connected to the inner wall of the top of the support seat through a horizontally arranged slide groove.

[0011] As a further supplement to the present solution, the elastic part includes a spring and a shock absorber, and the spring and the shock absorber are integrated between the first convex ring and the second convex ring.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. In the utility model, the sealing plate is moved upward by the pusher 1, and the sealing plate is separated from the protection tube. The connecting block is pushed by the pusher 2, and the connecting block slides along the horizontally arranged slide groove and links the main tube. The bellows between the main tube and the burner ensures the connectivity between the two, and the spring ensures the stability of the connection between the main tube and the burner. With the movement of the connecting block, the burner passes through the protection tube until it is combined with the inside of the furnace body, and the convex ring abuts against the outer wall of the protection tube. When the spring is squeezed, the bellows contracts synchronously, thereby ensuring the connectivity between the burner and the main tube, and the airtightness between the hungry protection tube and the convex ring 1 is ensured by the elastic force of the spring, thereby ensuring the stability of the use of the decomposition furnace fuel delivery system.

[0014] 2. In the utility model, the bottom of the connecting bin and the bottom of the support base are fixed by the cooperation of the base frame and the screws, so that the auxiliary support of the connecting bin can be realized. After the screws and the locking rod are separated, the support base and the burner on the top thereof can be conveniently separated, so as to facilitate the subsequent maintenance or replacement of the burner, thereby improving the convenience of using the decomposition furnace fuel delivery system. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 Schematic diagram of the three-dimensional structure in this embodiment;

[0017] Figure 2 Schematic diagram of the rubber block structure in this embodiment;

[0018] Figure 3 Schematic diagram of the sealing plate structure in this embodiment;

[0019] Figure 4 It is a schematic diagram of the spring structure in this embodiment.

[0020] In the figure: 1. furnace body; 2. protection tube; 3. connecting chamber; 4. pusher 1; 5. support seat; 6. burner; 7. pusher 2; 8. main pipe; 9. bellows; 10. locking rod; 11. rubber block; 12. connecting block; 13. sealing plate; 14. convex ring 1; 15. convex ring 2; 16. spring; 17. shock absorber; 18. base frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: Reference Figure 1-4 A decomposition furnace fuel delivery system shown in the figure comprises a furnace body 1 and a protection tube 2, the furnace body 1 and the protection tube 2 are fixedly connected, and a plugging assembly for the protection tube 2 is arranged on the outer side of the protection tube 2, a support seat 5 is fixedly connected to the outer wall of the furnace body 1, a main pipe 8 and a burner 6 are arranged above the support seat 5, and a pushing assembly for horizontally pushing the main pipe 8 is arranged inside the support seat 5, a bellows 9 is fixedly connected between the main pipe 8 and the burner 6, a convex ring 14 and a convex ring 2 15 are fixedly connected to the outer wall of the main pipe 8 and the burner 6 respectively, and an elastic part for maintaining the stable connection between the burner 6 and the main pipe 8 is arranged between the convex ring 14 and the convex ring 2 15;

[0023] The sealing plate 13 is driven upward by the push member 4, and the sealing plate 13 is separated from the protection tube 2. The connecting block 12 is pushed by the push member 2 7. The connecting block 12 slides along the horizontally arranged slide groove and links the main pipe 8. The bellows 9 between the main pipe 8 and the burner 6 ensures the connectivity between the two, and the spring 16 ensures the stability of the connection between the main pipe 8 and the burner 6. With the movement of the connecting block 12, the burner 6 passes through the protection tube 2 until it is combined with the inside of the furnace body 1, and the convex ring 14 abuts against the outer wall of the protection tube 2. When the spring 16 is squeezed, the bellows 9 contracts synchronously, thereby ensuring the connectivity between the burner 6 and the main pipe 8, and the airtightness between the protection tube 2 and the convex ring 14 is ensured by the elastic force of the spring 16, thereby ensuring the stability of the decomposition furnace fuel delivery system.

[0024] The vertical end of the support seat 5 is fixedly connected to the furnace body 1 through a locking rod 10, and a rubber block 11 is interference-fitted on the inner surface wall of the vertical end of the support seat 5. The rubber block 11 abuts against the locking rod 10, and the rubber block 11 of the interference fit can limit the loosening of the locking rod 10 through friction. The blocking component includes a connecting bin 3 fixedly connected to the protective tube 2, a pusher 4 is fixedly connected to the top of the connecting bin 3, and a sealing plate 13 is fixedly connected to the output end of the pusher 4. The outer wall of the sealing plate 13 is slidably connected to the connecting bin 3 and the inner wall of the protective tube 2. The sealing plate 13 is driven upward by the pusher 4, and the sealing plate 13 is separated from the protective tube 2. The bottom of the connecting bin 3 is fixedly connected to a base frame 18, and the base frame 18 is fixedly connected to the top of the support seat 5 by screws;

[0025] The bottom of the connecting chamber 3 and the bottom of the support seat 5 are fixed by the cooperation of the base frame 18 and the screws, so that the auxiliary support of the connecting chamber 3 can be realized. After the screws and the locking rod 10 are subsequently separated, the support seat 5 and the burner 6 on the top thereof can be conveniently separated, so as to facilitate the subsequent maintenance or replacement of the burner 6, thereby improving the convenience of using the decomposition furnace fuel delivery system.

[0026] The pushing component includes a pushing member 2 7 fixedly connected to the support seat 5, and the output end of the pushing member 2 7 is fixedly connected to a connecting block 12 fixedly matched with the outer wall of the main pipe 8. The connecting block 12 is slidably connected to the inner wall of the top of the support seat 5 through a horizontally arranged slide groove. The connecting block 12 is pushed by the pushing member 2 7, and the connecting block 12 slides along the horizontally arranged slide groove and links the main pipe 8 at the same time.

[0027] The elastic part includes a spring 16 and a shock absorber 17, which are integrated between the convex ring 14 and the convex ring 2 15. The elastic force of the spring 16 ensures the air tightness between the protective tube 2 and the convex ring 14, while the shock absorber 17 can avoid continuous rebound after the subsequent burner 6 is reset.

[0028] The working principle of the utility model is as follows: the sealing plate 13 is moved upward by the push member 14, and the sealing plate 13 is separated from the protection tube 2. The connecting block 12 is pushed by the push member 27. The connecting block 12 slides along the horizontally arranged slide groove and links the main pipe 8. The bellows 9 between the main pipe 8 and the burner 6 ensures the connectivity between the two, and the spring 16 ensures the stability of the connection between the main pipe 8 and the burner 6. With the movement of the connecting block 12, the burner 6 passes through the protection tube 2 until it is connected to the inside of the furnace body 1, and the convex ring 14 abuts against the outer wall of the protection tube 2. The bellows 9 is contracted synchronously while the spring 16 is squeezed. , thereby ensuring the connection between the burner 6 and the main pipe 8, and the elastic force of the spring 16 ensures the airtightness between the protection tube 2 and the convex ring 14, thereby ensuring the stability of the use of the decomposition furnace fuel delivery system, and the bottom of the connecting chamber 3 and the bottom of the support seat 5 are fixed by the cooperation of the base frame 18 and the screws, thereby realizing the auxiliary support of the connecting chamber 3, and after separating the screws and the locking rod 10, the support seat 5 and the burner 6 on the top thereof can be conveniently separated, thereby facilitating the subsequent maintenance or replacement of the burner 6, thereby improving the convenience of using the decomposition furnace fuel delivery system.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A fuel delivery system for a calciner, comprising a furnace body (1) and a protective tube (2), characterized in that: The furnace body (1) is fixedly connected to the protective tube (2), and a plugging assembly for plugging the protective tube (2) is arranged on the outer side of the protective tube (2); the outer wall of the furnace body (1) is fixedly connected to a support seat (5); a main pipe (8) and a burner (6) are arranged above the support seat (5), and a pushing assembly for horizontally pushing the main pipe (8) is arranged inside the support seat (5); a bellows (9) is fixedly connected between the main pipe (8) and the burner (6); a convex ring 1 (14) and a convex ring 2 (15) are fixedly connected to the outer walls of the main pipe (8) and the burner (6), respectively; and an elastic portion for maintaining a stable connection between the burner (6) and the main pipe (8) is arranged between the convex ring 1 (14) and the convex ring 2 (15).

2. A calciner fuel delivery system according to claim 1, characterized in that: The vertical end of the support seat (5) is fixedly connected to the furnace body (1) via a locking rod (10); a rubber block (11) is interference-fitted on the inner surface wall of the vertical end of the support seat (5); and the rubber block (11) abuts against the locking rod (10).

3. A calciner fuel delivery system according to claim 2, characterized in that: The plugging assembly comprises a connecting bin (3) fixedly connected to the protective tube (2); a pusher (4) is fixedly connected to the top of the connecting bin (3); a sealing plate (13) is fixedly connected to the output end of the pusher (4); an outer wall of the sealing plate (13) is slidably connected to the connecting bin (3) and the inner wall of the protective tube (2).

4. A calciner fuel delivery system according to claim 3, characterized in that: The bottom of the connection bin (3) is fixedly connected to a base frame (18), and the base frame (18) is fixedly connected to the top of the support seat (5) via screws.

5. A calciner fuel delivery system according to claim 4, characterized in that: The pushing assembly comprises a second pushing member (7) fixedly connected to a support seat (5); an output end of the second pushing member (7) is fixedly connected to a connecting block (12) fixedly matched with an outer wall of a main pipe (8); the connecting block (12) is slidably connected to an inner wall of a top of the support seat (5) via a horizontally arranged slide groove.

6. A calciner fuel delivery system according to claim 5, characterized in that: The elastic part comprises a spring (16) and a shock absorber (17), and the spring (16) and the shock absorber (17) are both integrated between the convex ring 1 (14) and the convex ring 2 (15).

Citation Information

Patent Citations

  • Fuel conveying system of decomposing furnace

    CN220169954U