Boiler low-nitrogen transformation mounting frame

By designing a boiler low-NOx retrofit installation rack, and utilizing a structure of clips, slots, and interconnecting locking grooves, the problems of slow installation speed and inconvenient disassembly/reassembly of boiler low-NOx retrofit equipment were solved, achieving rapid installation and vibration-resistant loosening.

CN223806792UActive Publication Date: 2026-01-16TIANJIN TIANLU BOILER TECH SERVICE CO LTD
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Patent Information

Application Number
CN202520307108.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-16
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing boiler low-NOx retrofit equipment is slow to install and inconvenient to disassemble, and commonly used bolts and auxiliary tools are complicated to operate.

Method used

Design a boiler low-NOx retrofit installation rack, which adopts a structure of clamps, slots and connecting locking grooves for boiler connecting pipes and low-NOx retrofit equipment connecting pipes, combined with an outer protective plate, damping shock absorber and inner protective plate to achieve quick connection and anti-loosening protection.

Benefits of technology

It improves the ease and speed of installation, reduces the workload, and minimizes the risk of loosening of vibration-connected components during operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a boiler low nitrogen transformation installation rack, including boiler body, low nitrogen transformation equipment and installation rack, one end of installation rack is provided on the end face of boiler body, the inner groove portion of installation rack is provided with linear screw and linear guide rod opposite to each other, and the linear screw and linear guide rod are respectively provided with support block in cooperation, and the support block is provided with the support block. An outer protection plate, a plurality of damping shock absorbers and an inner protection plate are sequentially arranged at the inner ends of the supporting blocks on the two sides, a movable ring sleeve is arranged at the inner end of the inner protection plate, a boiler connecting pipe is arranged in the movable ring sleeve, two clamping blocks are arranged at the front end of the boiler connecting pipe, and a low-nitrogen transformation equipment connecting pipe is arranged at one end of the low-nitrogen transformation equipment. Two inserting grooves are symmetrically formed in the inner wall of an opening of the low-nitrogen transformation equipment connecting pipe, and a communicating locking groove is formed in the inner end of each inserting groove. An auxiliary installation tool is not needed, convenience and speed of installation and butt joint are improved, operation is easy, construction is convenient, and work intensity is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of boiler low nitrogen transformation relates to a kind of boiler low nitrogen transformation mounting rack. BACKGROUND

[0002] Boiler is a kind of energy conversion equipment, which can convert the input energy into the heat energy required by industrial production and people's life, and can also be converted into mechanical energy by steam power device. Currently, in order to reduce the pollution caused by the boiler during use, a low nitrogen transformation device is usually installed on the boiler to reduce the emission of nitrogen oxides in flue gas. The existing low nitrogen transformation device is usually installed by bolts and other special tools, which is slow and inconvenient to disassemble and assemble. Therefore, there is an urgent need to design a boiler low nitrogen transformation mounting rack. SUMMARY

[0003] The utility model aims at providing a kind of boiler low nitrogen transformation mounting rack to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of boiler low nitrogen transformation mounting rack, including boiler body, low nitrogen transformation equipment and mounting rack, the mounting rack is arranged between the boiler body and the low nitrogen transformation equipment, one end of the mounting rack is fixed on the end face of the boiler body by bolt, the inner groove portion of the mounting rack is oppositely provided with linear screw rod and linear guide rod, corresponding support blocks are respectively matched on the linear screw rod and the linear guide rod, outer end plates are arranged at the inner end of the support blocks on both sides, a plurality of damping shock absorbers are arranged at the inner end of the outer end plates, the plurality of damping shock absorbers are distributed along the radial direction, an inner end plate is arranged at the other end of the plurality of damping shock absorbers along the radial direction, two guide grooves are oppositely arranged at the inner end of the inner end plate, a movable ring is movably arranged at the inner periphery of the inner end plate, two guide blocks are oppositely arranged at the outside of the movable ring, a boiler connecting pipe is arranged at the end face of the boiler body inside the movable ring, two clamping blocks are symmetrically arranged at the front end of the boiler connecting pipe, a low nitrogen transformation equipment connecting pipe is arranged at one end of the low nitrogen transformation equipment, two insertion slots are symmetrically arranged on the open inner wall of the low nitrogen transformation equipment connecting pipe, and a communication locking slot perpendicular to the insertion slot is arranged at one end of each insertion slot close to the low nitrogen transformation equipment.

[0005] Preferably, the outer periphery of the boiler connecting pipe and the low nitrogen transformation equipment connecting pipe is provided with external threads.

[0006] Preferably, the inner periphery of the movable ring is provided with internal threads matched with the external threads.

[0007] Preferably, the guide grooves and the guide blocks are slidably arranged.

[0008] Preferably, the straight screw is movably arranged on the mounting frame near the mounting surface of the boiler body.

[0009] Preferably, the straight screw is movably arranged on the mounting frame near the mounting surface of the boiler body.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The utility model discloses a clamp block, a slot, a communication locking groove and a movable ring sleeve arranged at the front end of the boiler connecting pipe and the inner wall of the low-nitrogen transformation equipment connecting pipe, which replace the traditional bolt fixing mounting mode, do not need to use auxiliary installation tools, improve the convenience and speed of installation butt joint, are simple to operate, convenient to construct and reduce the working strength.

[0012] 2. The utility model also discloses an outer guard plate, a damping shock absorber and an inner guard plate, when the low-nitrogen transformation equipment generates vibration during operation, the damping shock absorber can overcome the elastic force and make the butt joint position of the boiler connecting pipe and the low-nitrogen transformation equipment connecting pipe stable, at this moment, the vibration amplitude of the low-nitrogen transformation equipment can be reduced, and the problem that the inner butt joint assembly is loose due to the large vibration force can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the overall front view of the utility model;

[0014] Fig. 2 It is the overall boiler and the related structure diagram of the mounting frame of the utility model;

[0015] Fig. 3 It is the overall low-nitrogen transformation equipment related structure diagram of the utility model.

[0016] In the drawing: 1, boiler body;2, low-nitrogen transformation equipment;3, mounting frame;4, straight screw;5, straight guide rod;6, support block;7, outer guard plate;8, damping shock absorber;9, inner guard plate;10, guide groove;11, movable ring sleeve;12, guide block;13, boiler connecting pipe;14, clamp block;15, low-nitrogen transformation equipment connecting pipe;16, slot;17, communication locking groove. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] Please refer toFigs. 1-3 The utility model provides a technical scheme: a boiler low nitrogen reconstruction mounting bracket, including boiler body 1, low nitrogen reconstruction equipment 2 and mounting bracket 3, install mounting bracket 3 between boiler body 1 and low nitrogen reconstruction equipment 2, and the end face of mounting bracket 3 is fixed in the end face of boiler body 1 through bolt, and the inner groove portion of mounting bracket 3 is opposite to install linear screw rod 4 and linear guide rod 5, and linear screw rod 4 and corresponding support block 6 adopt thread cooperation connection, and linear guide rod 5 and corresponding support block 6 adopt aperture guide sliding limit connection, and the inner end of both sides support block 6 is integrally formed outer guard plate 7, and the inner end bolt of outer guard plate 7 fixes a plurality of damping shock absorber 8, a plurality of damping shock absorber 8 distributes along the radial direction, and the other end of a plurality of damping shock absorber 8 is bolted and connected along the radial direction, and two guide grooves 10 are set to the inner end of inner guard plate 9, and movable ring sleeve 11 is slidably installed to the inner periphery of inner guard plate 9, and two guide blocks 12 are integrally formed to the both sides of the outside of movable ring sleeve 11, and boiler connecting pipe 13 is welded to the inner end of movable ring sleeve 11 and the end face of boiler body 1, and two clamping blocks 14 are symmetrically welded to the front end of boiler connecting pipe 13, and one end of low nitrogen reconstruction equipment 2 is rotatably connected with low nitrogen reconstruction equipment connecting pipe 15 through bearing, and two insertion slots 16 are symmetrically slotted to the open inner wall of low nitrogen reconstruction equipment connecting pipe 15, and the slot of each insertion slot 16 near the end of low nitrogen reconstruction equipment 2 is communicated with vertical insertion slot 16 and communication locking slot 17.

[0019] The outer periphery of boiler connecting pipe 13 and low nitrogen reconstruction equipment connecting pipe 15 is provided with external thread; the inner periphery of movable ring sleeve 11 is provided with internal thread matched with external thread, which can lock the position of the butt joint of boiler connecting pipe 13 and low nitrogen reconstruction equipment connecting pipe 15; guide groove 10 and guide block 12 are connected with each other by sliding, and the structure formed by outer guard plate 7, damping shock absorber 8 and inner guard plate 9 is used to prevent the connected position from loosening; linear screw rod 4 is rotatably connected to the mounting surface of mounting bracket 3 near boiler body 1 by bearing; fixed rotating block is sleeved on the end of linear screw rod 4 near boiler body 1, and the rotating block penetrates the bottom surface of mounting bracket 3, which is convenient for rotating linear screw rod 4 by rotating block, so that the structure formed by outer guard plate 7, damping shock absorber 8 and inner guard plate 9 moves outside movable ring sleeve 11 under the action of straight guide rod 5 on the other side.

[0020] Working principle: the utility model discloses in use, first, the bolt is used to the mounting surface of mounting frame 3 and is fixed in the end surface of boiler body 1, then the two insertion slots 16 of low nitrogen transformation equipment 2 one end low nitrogen transformation equipment connecting pipe 15 inner wall grooving and the two clamping blocks 14 of boiler connecting pipe 13 front end are inserted and are connected and are combined, then rotate low nitrogen transformation equipment connecting pipe 15, make clamping block 14 be placed in interlocking slot 17 and lock, at this time, the rotation of external thread and internal thread is connected, and movable ring cover 11 is rotated to the butt joint position of boiler connecting pipe 13 and low nitrogen transformation equipment connecting pipe 15, then through the rotation block and drive straight line screw rod 4 rotation, make the threaded cooperation of support block 6 on another side straight line guide rod 5 under the action of movable ring cover 11 outside and move to the butt joint position of the structure formed by outer baffle 7, damping shock absorber 8 and inner baffle 9, further make the structure formed by outer baffle 7, damping shock absorber 8 and inner baffle 9 to the relative interface position and carry out anti-loosening protection, with Simple structure, convenient to use, and the advantages such as good use effect.

[0021] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0022] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A boiler low-nitrogen retrofit mounting frame, comprising a boiler body (1), a low-nitrogen retrofit device (2) and a mounting frame (3), characterized in that: The mounting frame (3) is arranged between the boiler body (1) and the low-nitrogen transformation equipment (2), one end of the mounting frame (3) is fixed on the end face of the boiler body (1) through bolts, the inner groove part of the mounting frame (3) is relatively provided with a linear screw rod (4) and a linear guide rod (5), corresponding support blocks (6) are respectively arranged on the linear screw rod (4) and the linear guide rod (5), the inner ends of the support blocks (6) on both sides are provided with outer guard plates (7), the inner ends of the outer guard plates (7) are provided with a plurality of damping shock absorbers (8), the plurality of damping shock absorbers (8) are distributed along the radial direction, the same inner guard plate (9) is arranged on the other end of the plurality of damping shock absorbers (8) along the radial direction, two guide grooves (10) are arranged at the inner ends of the inner guard plate (9), a movable ring (11) is movably arranged on the inner periphery of the inner guard plate (9), two guide blocks (12) are arranged on the outer sides of the movable ring (11), a boiler connecting pipe (13) is arranged on the inner side of the movable ring (11) and the end face of the boiler body (1), two clamping blocks (14) are symmetrically arranged on the front end of the boiler connecting pipe (13), a low-nitrogen transformation equipment connecting pipe (15) is arranged at one end of the low-nitrogen transformation equipment (2), two insertion grooves (16) are symmetrically arranged on the open inner wall of the low-nitrogen transformation equipment connecting pipe (15), a communication locking groove (17) perpendicular to the insertion groove (16) is arranged on each insertion groove (16) near one end of the low-nitrogen transformation equipment (2).

2. The boiler low NOx retrofit mounting frame according to claim 1, characterized in that: The outer periphery of the boiler connecting pipe (13) and the low-nitrogen transformation equipment connecting pipe (15) is provided with an external thread.

3. The mounting frame for low-nitrogen transformation of a boiler according to claim 2, characterized in that: The inner periphery of the movable ring (11) is provided with an internal thread matched with the external thread.

4. The boiler low NOx retrofit mounting rack according to claim 1, characterized in that: The guide grooves (10) and the guide blocks (12) are arranged in sliding mode.

5. The boiler low NOx retrofit mounting rack of claim 1, wherein: The linear screw rod (4) is movably arranged on the mounting surface of the mounting frame (3) near the boiler body (1).

6. The boiler low NOx retrofit mounting rack of claim 1, wherein: A rotating block is arranged on the linear screw rod (4) near one end of the boiler body (1), and the rotating block penetrates the bottom surface of the mounting frame (3).