Boiler tail flue waste heat flue gas recycling detection device

By designing an installation plate and wire rope winding system in the boiler tail flue, the temperature sensor can be slidable and its height adjustable, which solves the problem of the detection limitation of fixed sensor position and improves the comprehensiveness of flue gas temperature detection and the convenience of the device.

CN223883084UActive Publication Date: 2026-02-06JILIN GUANGDA ENERGY SAVING TECH
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Patent Information

Application Number
CN202520127081.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-02-06
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The temperature sensor in the existing boiler tail flue gas waste heat recycling detection device is located in a fixed position and can only detect the flue gas temperature at the installation location, which has limitations.

Method used

A detection device for the recycling and reuse of waste heat flue gas in the tail flue of a boiler was designed. The detection system consists of an installation plate, a wire rope winder, a connecting plate, and a temperature sensor. The sliding and height adjustment of the temperature sensor is achieved through the wire rope and threaded rod mechanism, and the detection position is adjusted by the impact force of the flue gas.

Benefits of technology

The temperature sensor can slide and detect within the boiler tail flue, allowing for frequent adjustments to the detection position. This improves the comprehensiveness and flexibility of flue gas temperature detection and facilitates the disassembly and maintenance of the device.

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Abstract

The utility model relates to the technical field of flue gas waste heat recycling, and particularly discloses a boiler tail flue waste heat flue gas recycling detection device which comprises an installation disc, and a fixing mechanism used for fixing the installation disc is arranged on the side face of the installation disc. A steel wire rope winder is mounted at the bottom of the mounting disc and connected with a steel wire rope, a connecting disc is connected to the bottom end of the steel wire rope, and a temperature sensor is mounted at the bottom of the connecting disc. According to the utility model, the impact force of upwelling flue gas on the baffle plate is utilized to enable the connecting disc to slide, so that the connecting disc and the temperature sensor arranged at the bottom of the connecting disc slide in the flue at the tail part of the boiler, and the detection position of the temperature sensor is frequently adjusted; the position of the temperature sensor can be changed at any time to detect the temperature of flue gas at different positions in the flue at the tail of the boiler, and the comprehensiveness of detecting the temperature of the flue gas in the flue at the tail of the boiler is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas waste heat recycling technical field especially, relates to a kind of boiler tail flue waste heat flue gas recycling detection device. BACKGROUND

[0002] Boiler is a kind of energy conversion equipment, the energy input to boiler has chemical energy in fuel, electric energy, boiler exports have certain heat steam, high-temperature water or organic heat carrier.

[0003] After searching, it is found that the Chinese patent application with application number 202323409212.9 discloses "a kind of boiler tail flue waste heat flue gas recycling detection device, belongs to flue gas waste heat recycling technical field, the boiler tail flue waste heat flue gas recycling detection device includes annular frame, the two sides of the annular frame are staggered and set to be symmetrically distributed extension plate, extension plate is set between the two opposite extension plates and is provided with rotating drum, the two ends of the rotating drum are respectively connected with first screw rod and second screw rod, the screw thread direction of the first screw rod and the second screw rod is opposite, the first screw rod and the second screw rod are fixedly connected with support rod away from rotating drum, the support rod penetrates extension plate and is fixedly connected with support plate"; but the above-mentioned a kind of boiler tail flue waste heat flue gas recycling detection device has certain limitations when detecting the temperature of flue gas in flue, only the temperature of flue gas at the installation position of temperature sensor can be detected, therefore, in order to solve such problems, a kind of boiler tail flue waste heat flue gas recycling detection device is provided. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the purpose of the present application is to provide a kind of boiler ash cleaning device to overcome the deficiencies of the prior art.

[0005] The boiler tail flue waste heat flue gas recycling detection device provided by the present application includes a mounting disc, a fixing mechanism is provided on the side of the mounting disc for fixing the mounting disc.

[0006] A steel wire rope winder is installed at the bottom of the mounting disc, the steel wire rope winder is connected with a steel wire rope, the bottom end of the steel wire rope is connected with a connecting disc, a temperature sensor is installed at the bottom of the connecting disc, a plurality of fixing plates are annularly arranged on the outer wall of the connecting disc, and a baffle is installed on the side of the fixing plate away from the connecting disc.

[0007] The fixing mechanism includes screw holes symmetrically formed on the two sides of the mounting disc, a threaded rod is screw-connected in the screw hole, and a pressing plate is rotatably connected to the end of the threaded rod away from the mounting disc.

[0008] An arc-shaped portion is formed on the side of the pressing plate away from the mounting disc and is in close contact with the inner wall of the flue, and a rubber pad is installed on the side of the pressing plate away from the mounting disc.

[0009] Preferably, the threaded rod is rotatably connected with a rotating block at one end away from the mounting disc, and the rotating block is fixedly connected to one side of the abutting plate close to the mounting disc.

[0010] Preferably, a rotating sleeve is fixedly sleeved on the outer wall of the threaded rod, and a handle is installed on the top of the mounting disc.

[0011] Preferably, a lifting ring is connected to the bottom end of the steel wire rope, and the lifting ring is installed on the top of the connecting disc.

[0012] Preferably, a fixing block is installed on the opposite surface of the mounting disc and the connecting disc, and a safety rope is installed between the two fixing blocks.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1: In the utility model, the impact force of the upwelling flue gas on the baffle can make the connecting disc slide, and then make the connecting disc and the temperature sensor installed at the bottom of the connecting disc slide in the flue duct at the tail of the boiler, and then frequently adjust the detection position of the temperature sensor, so that the temperature sensor can change the position at any time to detect the temperature of the flue gas at different positions in the flue duct at the tail of the boiler, and improve the comprehensiveness of the detection of the flue gas temperature in the flue duct at the tail of the boiler.

[0015] 2: In the utility model, the height of the connecting disc can be adjusted through the steel wire rope winding device, and then the detection height of the temperature sensor can be adjusted, the flue gas temperature at different positions in the flue duct at the tail of the boiler can be detected, and the mounting disc is installed at the position which is convenient to disassemble in the flue duct at the tail of the boiler, so that the device can be conveniently disassembled, repaired and the like in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first view structure schematic view of the boiler tail flue waste heat flue gas circulating reuse detection device.

[0017] Figure 2 It is a second view structure schematic view of the boiler tail flue waste heat flue gas circulating reuse detection device.

[0018] Figure 3 It is a structure schematic view of the mounting disc of the boiler tail flue waste heat flue gas circulating reuse detection device.

[0019] Figure 4 It is a connecting schematic view of the connecting disc and the lifting ring of the boiler tail flue waste heat flue gas circulating reuse detection device.

[0020] Figure 5The utility model provides a kind of boiler tail flue waste heat flue gas recycling detection device's connecting diagram of connecting disc and temperature sensor.

[0021] In the drawing: 1, mounting disc; 2, handle; 3, threaded rod; 4, rotating block; 5, abutting plate; 6, rubber pad; 7, rotating sleeve; 8, steel wire rope; 9, lifting ring; 10, connecting disc; 11, steel wire rope winding device; 12, temperature sensor; 13, safety rope; 14, threaded hole; 15, fixed plate; 16, baffle; 17, fixed block. DETAILED DESCRIPTION

[0022] REFERENCE Figures 1-5 A kind of boiler tail flue waste heat flue gas recycling detection device, including mounting disc 1, mounting disc 1 side is provided with the fixed mechanism for fixing mounting disc 1;

[0023] Mounting disc 1 bottom is equipped with steel wire rope winding device 11, steel wire rope winding device 11 is connected with steel wire rope 8, steel wire rope 8 bottom end is connected with connecting disc 10, connecting disc 10 bottom is equipped with temperature sensor 12, connecting disc 10 outer wall is annularly provided with several fixed plates 15, fixed plate 15 is installed on the side away from connecting disc 10 Baffle 16. Fixed mechanism includes the threaded hole 14 being symmetrically opened in the two sides of mounting disc 1, threaded hole 14 is screw-threaded with threaded rod 3, threaded rod 3 end away from mounting disc 1 is rotatably connected with abutting plate 5. Abutting plate 5 side away from mounting disc 1 is provided with the arc-shaped part that is in line with the inner wall of flue, abutting plate 5 side away from mounting disc 1 is equipped with rubber pad 6, rubber pad 6 can increase the friction between abutting plate 5 and the inner wall of boiler tail flue, improve the stability that mounting disc 1 is installed in the boiler tail flue.

[0024] Threaded rod 3 end away from mounting disc 1 in the embodiment is rotatably connected with rotating block 4, rotating block 4 is fixedly connected on the side of abutting plate 5 close to mounting disc 1, rotating block 4 can facilitate the rotatable connection between abutting plate 5 and threaded rod 3.

[0025] Threaded rod 3 outer wall in the embodiment is fixedly sleeved with rotating sleeve 7, mounting disc 1 top is equipped with handle 2, handle 2 can facilitate mounting disc 1, the later period is disassembled, rotating sleeve 7 can facilitate rotating threaded rod 3.

[0026] Steel wire rope 8 bottom end in the embodiment is connected with lifting ring 9, lifting ring 9 is installed on the top of connecting disc 10, lifting ring 9 can facilitate the connection between steel wire rope 8 bottom end and connecting disc 10.

[0027] The opposite surface of the mounting disc 1 and the connecting disc 10 in the embodiment is provided with a fixing block 17, and a safety rope 13 is arranged between the two fixing blocks 17, so that the safety rope 13 can increase the safety of the connection between the mounting disc 1 and the connecting disc 10, and avoid the falling of the connecting disc 10 caused by the breakage of the steel wire rope 8.

[0028] In use, the device is placed in the flue at the tail of the boiler, the mounting disc 1 is installed at a position which is convenient to disassemble and assemble at the flue at the tail of the boiler, the two rotating sleeves 7 are rotated, the rotating sleeves 7 are rotated to drive the threaded rods 3 to rotate, the threaded rods 3 are rotated in the threaded holes 14, the abutting plates 5 are moved away from the mounting disc 1, the two abutting plates 5 are moved away from the mounting disc 1, until the two abutting plates 5 abut against the inner wall of the flue at the tail of the boiler, and the mounting disc 1 is fixed, so that the device is installed and fixed in the flue at the tail of the boiler.

[0029] At this time, the steel wire rope winder 11 is started, the steel wire rope 8 wound on the steel wire rope winder 11 is loosened from the steel wire rope winder 11, the lifting ring 9 and the connecting disc 10 are moved downward, the connecting disc 10 is moved downward to drive the temperature sensor 12 installed at the bottom of the connecting disc 10 to move downward, until the temperature sensor 12 is moved to the required position in the flue at the tail of the boiler and stops, the temperature sensor 12 can be used to detect the flue gas temperature in the flue at the tail of the boiler, the height of the connecting disc 10 can be adjusted through the steel wire rope winder 11, the detection height of the temperature sensor 12 is adjusted, the flue gas temperatures at different positions in the flue at the tail of the boiler can be detected, when the flue gas in the flue at the tail of the boiler flows upward, an impact force is generated on the baffle 16, the impact force of the upward flowing flue gas on the baffle 16 can make the connecting disc 10 slide, the connecting disc 10 and the temperature sensor 12 installed at the bottom of the connecting disc 10 slide in the flue at the tail of the boiler, the detection position of the temperature sensor 12 is adjusted frequently, the temperature sensor 12 can change the position at any time to detect the flue gas temperatures at different positions in the flue at the tail of the boiler, and the comprehensiveness of the detection of the flue gas temperature in the flue at the tail of the boiler is improved.

[0030] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A detection device for the recycling and reuse of waste heat flue gas in a boiler tail flue, comprising a mounting plate (1), characterized in that, The mounting plate (1) is provided with a fixing mechanism on its side for fixing the mounting plate (1); The mounting plate (1) is equipped with a wire rope reel (11) at the bottom, and the wire rope reel (11) is connected to a wire rope (8). The bottom end of the wire rope (8) is connected to a connecting plate (10). A temperature sensor (12) is installed at the bottom of the connecting plate (10). Several fixing plates (15) are arranged in a ring on the outer wall of the connecting plate (10). A baffle (16) is installed on the side of the fixing plate (15) away from the connecting plate (10). The fixing mechanism includes threaded holes (14) symmetrically opened on both sides of the mounting plate (1), and a threaded rod (3) is threadedly connected in the threaded holes (14). A clamping plate (5) is rotatably connected to the end of the threaded rod (3) away from the mounting plate (1). The abutment plate (5) has an arc-shaped part that fits against the inner wall of the flue on the side away from the mounting plate (1), and a rubber pad (6) is installed on the side of the abutment plate (5) away from the mounting plate (1).

2. The detection device for the recycling and reuse of waste heat flue gas in a boiler tail flue according to claim 1, characterized in that, The threaded rod (3) is rotatably connected to a rotating block (4) at the end away from the mounting plate (1), and the rotating block (4) is fixed to the side of the abutment plate (5) near the mounting plate (1).

3. The detection device for the recycling and reuse of waste heat flue gas in a boiler tail flue according to claim 1, characterized in that, The threaded rod (3) has a rotating sleeve (7) fixedly sleeved on its outer wall, and a handle (2) is installed on the top of the mounting plate (1).

4. The detection device for the recycling and reuse of waste heat flue gas in a boiler tail flue according to claim 1, characterized in that, The bottom end of the wire rope (8) is connected to a lifting ring (9), which is installed on the top of the connecting plate (10).

5. The detection device for the recycling and reuse of waste heat flue gas in a boiler tail flue according to claim 1, characterized in that, Fixing blocks (17) are installed on the opposite sides of the mounting plate (1) and the connecting plate (10), and a safety rope (13) is installed between the two fixing blocks (17).

Citation Information

Patent Citations

  • Boiler tail flue waste heat flue gas recycling detection device

    CN221445307U