Controllable flue gas circulation combustion detection system
By designing a controllable flue gas recirculation combustion detection system, the system utilizes knobs and spring mechanisms to facilitate the installation and disassembly of combustion gas detection components, thus solving the problems of combustion efficiency and NOx generation, and improving the replacement efficiency and working efficiency of the detection components.
Patent Information
- Application Number
- CN202520374702.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing flue gas internal circulation low-NOx burners have difficulty effectively reducing NOx generation while improving combustion efficiency. Furthermore, traditional flue gas external circulation technology increases boiler costs, and the inconvenience of replacing combustion gas detection components leads to low operating efficiency.
A controllable flue gas circulation combustion detection system was designed. The combustion gas detection component can be easily installed and disassembled through a knob and spring mechanism. Combined with a protection device, the component is protected from damage, simplifying the replacement process.
It improves the replacement efficiency of combustion gas detection components, shortens installation and disassembly time, ensures effective monitoring of gas composition in flue gas ducts, enhances work efficiency, and protects the detection components.
Smart Images

Figure CN223883545U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flue gas combustion detection technical field especially relates to controllable flue gas circulation combustion detection system. BACKGROUND
[0002] The flue gas internal circulation low nitrogen burner is difficult to reduce the NOx generation amount while improving the combustion efficiency, and is not the NOx emission that reaches the emission requirement or has influence on the boiler, and the traditional flue gas external circulation technology increases the flue gas amount of the hearth, needs to increase the boiler heat exchange area, and increases the boiler cost.
[0003] The utility model discloses a flue gas internal circulation low nitrogen burner, which comprises a shell, a side of the shell is provided with an ignition mechanism, a second gas passage is arranged in the shell, and a connecting structure is arranged at the top of the shell.
[0004] In order to guarantee the effect and quality of flue gas circulation combustion, it is necessary to detect the gas composition after combustion in the flue gas. In the prior art, multiple sensors are generally arranged at different positions in the combustion pipeline, which is inconvenient for maintenance and replacement of the workers, and is prone to problems of long time consumption and low work efficiency. Therefore, it is necessary to improve the monitoring of the gas composition in the flue gas pipeline. UTILITY MODEL CONTENTS
[0005] The utility model discloses a controllable flue gas circulation combustion detection system which is proposed to solve the problems in the prior art.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] Controllable flue gas circulation combustion detection system, including the shell, one side lower end of the shell is equipped with the bearing groove, one end side wall in the bearing groove is equipped with the moving groove, the rotating cavity is equipped in the shell, the rotating cavity one end side wall is rotatably connected with the connecting piece, one side of the connecting piece is rotatably connected with the roller, the other end of the connecting piece is rotatably connected with the moving rod, the lower end of the moving rod passes through the bottom in the rotating cavity and extends into the moving groove, the first spring is sleeved on the moving rod, the first spring is located in the rotating cavity, the upper end of the first spring is fixed on the upper end of the moving rod, and the lower end of the first spring is fixed on the bottom in the rotating cavity, one side of the moving rod is fixed with the bottom plate, and the bottom plate is located in the bearing groove, one side of the bottom plate is fixed with the guard plate, the upper end of the bottom plate is equipped with the combustion gas detection assembly, and the two ends of the combustion gas detection assembly respectively abut with the upper end of the bottom plate and the top in the bearing groove, one end side wall in the rotating cavity is rotatably connected with the rotating shaft, the rotating shaft is fixedly sleeved with the rotating plate, and the upper end of the rotating plate abuts with the lower end of the roller, one side upper end of the shell is equipped with the rotating groove, and one end of the rotating shaft passes through the rotating cavity and extends into the rotating groove, one end of the rotating shaft is fixed with the knob, one end of the knob passes through the rotating groove and extends to one side of the shell, the opposite side walls in the rotating groove are both equipped with the groove, the two sides of the knob are both equipped with the connecting groove, one end side wall in the connecting groove is fixedly provided with the sleeve, one end of the sleeve is provided with the sliding rod, one end of the sliding rod is fixedly provided with the connecting rod, and the connecting rod and the groove one to one correspond, the sleeve is sleeved with the second spring, one end of the second spring is fixed on one end side wall in the connecting groove, and the other end of the second spring is fixed on one end of the connecting rod, one side of the shell is equipped with the protection device.
[0008] Preferably, the protection device comprises a cover provided at the lower end of one side of the shell, and the cover corresponds to the bearing groove, the upper end of the cover is fixed with a limiting plate on both sides, both limiting plates are provided with a second limiting hole, both ends of one side of the shell are provided with a limiting groove, one end side wall in the limiting groove is provided with a first limiting hole, a limiting rod is provided through the first limiting hole, the first limiting hole and the second limiting hole one to one correspond, and one end of the limiting rod extends into the second limiting hole through the first limiting hole.
[0009] Preferably, the sleeve is a cylinder with one end closed, and the closed end of the sleeve is fixed on one end side wall in the connecting groove.
[0010] Preferably, the cover is made of acrylic plate.
[0011] Preferably, the bottom plate is coated with a flame-retardant layer.
[0012] Preferably, one end of the connecting rod is arc-shaped.
[0013] The utility model discloses a rotatory knob is rotated, because the one end of connecting rod is arc, the side wall in recess exerts pressure to connecting rod, and connecting rod exerts pressure to second spring, and second spring contracts under force, and connecting rod moves, and the slide bar moves in the sleeve, and the contraction of connecting rod is convenient, and the rotation of knob, and connecting rod moves in the side wall in the rotation groove under the action of second spring, and connecting rod is inserted into another recess, and stop rotating knob, when the knob is rotated, and the rotation plate is rotated through the rotation axis, and the rotation plate is eccentric and is arranged, and the roller is moved, and the roller moves and makes the connecting piece exerts pressure to first spring, and the moving rod moves, and the bottom plate is moved and fixed, and the combustion gas detection assembly is replaced conveniently, and after replacing, the knob is rotated again, and connecting rod restores the recess, and first spring pushes the moving rod and resets, and the bottom plate resets, and the combustion gas detection assembly is clamped tightly, and the combustion gas detection assembly is not moved randomly through the guard plate, and the cover is rotated, and the limiting plate is inserted into the limiting groove, and the limiting rod is inserted into the second limiting hole through the first limiting hole, and the cover is fixed, and the combustion gas detection assembly is not damaged.
[0014] Compared with the prior art, the utility model discloses convenient installation and removal combustion gas detection assembly, shorten the time of installation and removal combustion gas detection assembly, effectively improve work efficiency, speed up the work progress, guarantee the effective monitoring of the multiple point gas condition in flue gas pipeline. ACCURACY OF DRAWINGS
[0015] Figure 1 It is the inside structure schematic view of the rotation cavity of the utility model;
[0016] Figure 2 It is the inside structure schematic view of the bearing groove of the utility model;
[0017] Figure 3 It is the structure enlarged view of A place of the utility model; Figure 2
[0018] Figure 4 It is the side view of the utility model.
[0019] In the drawing: 1 connecting piece, 2 shell, 3 roller, 4 rotation axis, 5 rotation plate, 6 moving rod, 7 moving groove, 8 bearing groove, 9 guard plate, 10 bottom plate, 11 first spring, 12 limiting groove, 13 limiting rod, 14 combustion gas detection assembly, 15 first limiting hole, 16 rotation groove, 17 knob, 18 connecting groove, 19 connecting rod, 20 recess, 21 slide bar, 22 second spring, 23 sleeve, 24 second limiting hole, 25 limiting plate, 26 cover. DETAILED DESCRIPTION
[0020] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.
[0021] With reference to Figures 1-4 , the controllable flue gas circulation combustion detection system comprises a shell 2, a bearing groove 8 is arranged at the lower end of one side of the shell 2, a moving groove 7 is arranged on the side wall of one end in the bearing groove 8, which facilitates installation and connection, a rotating cavity is arranged in the shell 2, a connecting piece 1 is rotatably connected to the side wall of one end in the rotating cavity, a roller 3 is rotatably connected to one side of the connecting piece 1, the roller 3 moves to drive the connecting piece 1 to rotate, the other end of the connecting piece 1 is rotatably connected to a moving rod 6, the lower end of the moving rod 6 penetrates through the bottom of the rotating cavity and extends into the moving groove 7, the connecting piece 1 drives the moving rod 6 to move in the moving groove 7, a first spring 11 is arranged on the moving rod 6, the first spring 11 is located in the rotating cavity, the upper end of the first spring 11 is fixed to the upper end of the moving rod 6, and the lower end of the first spring 11 is fixed to the bottom of the rotating cavity, the connecting piece 1 drives the moving rod 6, the first spring 11 is contracted under stress, so that the moving rod 6 is conveniently moved, when the connecting piece 1 is reset, the first spring 11 drives the moving rod 6 to reset, which facilitates clamping of the combustion gas detection assembly 14, a bottom plate 10 is fixed to one side of the moving rod 6 and located in the bearing groove 8, a guard plate 9 is fixed to one side of the bottom plate 10, the moving rod 6 drives the bottom plate 10 to ascend and descend, so as to clamp or release the combustion gas detection assembly 14, which facilitates installation and disassembly of the staff, the upper end of the bottom plate 10 is provided with the combustion gas detection assembly 14, the combustion gas detection assembly 14 is a gas concentration combustion gas detection assembly, and the two ends of the combustion gas detection assembly 14 respectively abut against the upper end of the bottom plate 10 and the top of the bearing groove 8, so as to clamp the combustion gas detection assembly 14.
[0022] With reference to Figures 1-4 , a rotating shaft 4 is rotatably connected to the side wall of one end in the rotating cavity, a rotating plate 5 is fixedly sleeved on the rotating shaft 4, and the upper end of the rotating plate 5 abuts against the lower end of the roller 3, the rotating shaft 4 drives the rotating plate 5 to rotate, the rotating plate 5 is eccentrically arranged, which facilitates driving the roller 3 to move, the roller 3 drives the connecting piece 1 to move, which facilitates installation and disassembly of the combustion gas detection assembly 14, a rotating groove 16 is arranged at the upper end of one side of the shell 2, and one end of the rotating shaft 4 penetrates through the rotating cavity and extends into the rotating groove 16, a knob 17 is fixed to one end of the rotating shaft 4, which facilitates control of the staff, the rotating shaft 4 is driven to rotate through the knob 17, the rotating shaft 4 drives the rotating plate 5 to rotate, thereby controlling the position of the moving rod 6.
[0023] With reference to Figures 1-4, one end of the knob 17 penetrates the rotating groove 16 and extends to one side of the shell 2, the opposite side walls in the rotating groove 16 are both provided with grooves 20, the two sides of the knob 17 are both provided with connecting grooves 18, one end of the side wall in the connecting groove 18 is fixedly provided with a sleeve 23, one end of the sleeve 23 penetrates and is provided with a sliding rod 21, one end of the sliding rod 21 is fixedly provided with a connecting rod 19, and the connecting rod 19 and the groove 20 correspond to each other, the sleeve 23 is sleeved with a second spring 22, one end of the second spring 22 is fixedly arranged on one end of the side wall in the connecting groove 18, and the other end of the second spring 22 is fixedly arranged on one end of the connecting rod 19, rotating the knob 17, because one end of the connecting rod 19 is arc-shaped, the side wall in the groove 20 exerts pressure on the connecting rod 19, so that the connecting rod 19 exerts pressure on the second spring 22, the second spring 22 is contracted under the force, so that the connecting rod 19 moves, the sliding rod 21 moves in the sleeve 23, facilitating the contraction of the connecting rod 19, the knob 17 rotates, the connecting rod 19 moves all the time under the action of the second spring 22 and abuts against the side wall in the rotating groove 16, the connecting rod 19 is inserted into another groove 20, and the knob 17 is stopped rotating, at this time, the knob 17 drives the rotating plate 5 to rotate through the rotating shaft 4, thereby controlling the position of the bottom plate 10, facilitating the staff to install and dismount the combustion gas detection assembly 14, one side of the shell 2 is provided with a protection device for protecting the combustion gas detection assembly 14.
[0024] With reference to Figures 1-4 , the protection device comprises a cover 26 arranged at the lower end of one side of the shell 2, and the cover 26 corresponds to the bearing groove 8, the cover 26 is rotated to close the bearing groove 8, the upper end of the cover 26 is fixedly provided with limiting plates 25 on the two sides, the two limiting plates 25 are both provided with second limiting holes 24, the one side of the shell 2 is provided with limiting grooves 12 at both ends, the limiting plate 25 is inserted into the limiting groove 12 by rotating the cover 26, one end of the side wall in the limiting groove 12 is provided with first limiting holes 15, the first limiting holes 15 are both provided with limiting rods 13 which penetrate the first limiting holes 15, the first limiting holes 15 and the second limiting holes 24 correspond to each other, one end of the limiting rod 13 penetrates the first limiting hole 15 and extends into the second limiting hole 24, the first limiting hole 15 and the second limiting hole 25 correspond to each other, the limiting rod 13 is inserted to fix the position of the cover 26, the sleeve 23 is a cylinder with one end closed, and the closed end of the sleeve 23 is fixedly arranged on one end of the side wall in the connecting groove 18, facilitating the installation and movement of the sliding rod 21, the cover 26 is made of acrylic plate, which is transparent and convenient for the staff to directly observe the condition of the combustion gas detection assembly 14, the bottom plate 10 is coated with a fire-retardant layer to protect the combustion gas detection assembly 14, one end of the connecting rod 19 is arc-shaped, which facilitates the movement of the connecting rod 19 when under force and moves out of the groove 20.
[0025] The utility model discloses, using, rotate knob 17, because the one end of connecting rod 19 is arc, the side wall in recess 20 presses connecting rod 19, make connecting rod 19 press second spring 22, second spring 22 force contraction, make connecting rod 19 move, slide bar 21 move in the sleeve pipe 23, the contraction of connecting rod 19 is convenient, knob 17 rotates, connecting rod 19 is always under the action of second spring 22 and moves with the resistance of rotating groove 16, and connecting rod 19 is inserted into another recess 20, and stop rotating knob 17, at this moment, knob 17 is driven rotating plate 5 to rotate through the pivot 4, and rotating plate 5 is arranged eccentricity, and push roller 3 moves, and roller 3 moves and makes connecting piece 1 press first spring 11, and make moving rod 6 move, and drive bottom plate 10 to move and fix, convenient replacement combustion gas detection subassembly 14, after replacement is completed, rotate knob 17 again, make connecting rod 19 restore in the recess 20 of original, and first spring 11 pushes moving rod 6 reset, makes bottom plate 10 reset, and clamps combustion gas detection subassembly 14, and the guard plate 9 makes combustion gas detection subassembly 14 not move at will, and rotating cover 26 makes spacing plate 25 insert into spacing slot 12, and the spacing rod 13 is inserted into second limit hole 24 through first limit hole 15, and fixed cover 26, and protect combustion gas detection subassembly 14 from being damaged.
[0026] The above, only for the preferred specific implementation mode of the utility model, but the protection scope of the utility model does not limit to this, any skilled in the art person in the utility model disclosed technical range, according to the utility model technical scheme and the utility model conception of the utility model, equivalent replacement or change, should cover in the protection scope of the utility model.
Claims
1. Controllable flue gas circulation combustion detection system comprising a housing (2), characterized in that: One side lower end of the shell (2) is provided with a bearing groove (8), one end side wall in the bearing groove (8) is provided with a moving groove (7), the shell (2) is provided with a rotating cavity, one end side wall in the rotating cavity is rotatably connected with a connecting piece (1), one side of the connecting piece (1) is rotatably connected with a roller (3), the other end of the connecting piece (1) is rotatably connected with a moving rod (6), the lower end of the moving rod (6) penetrates through the bottom in the rotating cavity and extends into the moving groove (7), the moving rod (6) is sleeved with a first spring (11), the first spring (11) is located in the rotating cavity, the upper end of the first spring (11) is fixed on the upper end of the moving rod (6), and the lower end of the first spring (11) is fixed on the bottom in the rotating cavity, one side of the moving rod (6) is fixed with a bottom plate (10), and the bottom plate (10) is located in the bearing groove (8), one side of the bottom plate (10) is fixed with a guard plate (9), the upper end of the bottom plate (10) is provided with a combustion gas detection assembly (14), and the two ends of the combustion gas detection assembly (14) respectively abut the upper end of the bottom plate (10) and the top in the bearing groove (8), one end side wall in the rotating cavity is rotatably connected with a rotating shaft (4), the rotating shaft (4) is fixedly sleeved with a rotating plate (5), and the upper end of the rotating plate (5) abuts the lower end of the roller (3), one side upper end of the shell (2) is provided with a rotating groove (16), and one end of the rotating shaft (4) penetrates through the rotating cavity and extends into the rotating groove (16), one end of the rotating shaft (4) is fixedly connected with a knob (17), one end of the knob (17) penetrates through the rotating groove (16) and extends to one side of the shell (2), the opposite side walls in the rotating groove (16) are both provided with a groove (20), the two sides of the knob (17) are both provided with a connecting groove (18), one end side wall in the connecting groove (18) is fixedly connected with a sleeve (23), one end of the sleeve (23) penetrates through and is provided with a sliding rod (21), one end of the sliding rod (21) is fixedly connected with a connecting rod (19), and the connecting rod (19) corresponds to the groove (20), the sleeve (23) is sleeved with a second spring (22), one end of the second spring (22) is fixed on one end side wall in the connecting groove (18), and the other end of the second spring (22) is fixed on one end of the connecting rod (19), one side of the shell (2) is provided with a protection device.
2. The controllable flue gas circulation combustion detection system of claim 1, wherein, The protection device comprises a cover (26) arranged at the lower end of one side of the shell (2), the cover (26) corresponds to the bearing groove (8), the upper end of the cover (26) is fixed with a limiting plate (25) on each side, the two limiting plates (25) are both provided with a second limiting hole (24), the shell (2) is provided with a limiting groove (12) at each end of one side, the side wall of one end of the limiting groove (12) is provided with a first limiting hole (15), the first limiting hole (15) is provided with a limiting rod (13) penetrating therethrough, the first limiting hole (15) and the second limiting hole (24) correspond to each other, and one end of the limiting rod (13) penetrates through the first limiting hole (15) and extends into the second limiting hole (24).
3. The controllable flue gas circulation combustion detection system of claim 1, wherein, The sleeve (23) is a cylinder with one end closed, and the closed end of the sleeve (23) is fixed on the side wall of one end in the connecting groove (18).
4. The controllable flue gas circulation combustion detection system of claim 2, wherein, The cover (26) is made of acrylic plate.
5. The controllable flue gas circulation combustion detection system of claim 1, wherein, The bottom plate (10) is coated with a fire-retardant layer.
6. The controllable flue gas circulation combustion detection system of claim 1, wherein, One end of the connecting rod (19) is arc-shaped.
Citation Information
Patent Citations
Flue gas internal circulation low-nitrogen burner
CN221666060U