Low-concentration gas direct-fired boiler combustion device
By using mineral wool covers to absorb noise and heat insulation covers in the combustion device of low-concentration gas direct combustion boiler, the noise pollution problem during combustion is solved, and effective monitoring and alarm of waste gas is achieved.
Patent Information
- Application Number
- CN202421839435.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The acoustic energy generated by the combustion process of the low-concentration gas direct-burning boiler overflows through the tail tube outlet, resulting in noise pollution.
A low-concentration gas direct combustion boiler combustion device is designed, and a combination structure of mineral wool cover and heat insulation cover is adopted. The mineral wool cover is used to absorb noise, and the heat insulation cover is used to block high temperatures, and the exhaust gas discharged is timely monitored and alarmed through the exhaust gas monitoring and alarming instrument.
It effectively reduces the propagation of noise, protects the mineral wool cover from high temperature damage, and ensures that the discharged exhaust gas meets the standards and protects the environment through real-time monitoring and alarm.
Smart Images
Figure CN222952828U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of gas boiler devices, and in particular relates to a combustion device for a low-concentration gas direct-fired boiler. Background Art
[0002] The combustion device of a low-concentration gas direct-fired boiler is a device specially designed for burning low-concentration gas (usually gas with a methane concentration of more than 6%). This device combines a variety of technologies and equipment to ensure that low-concentration gas can be burned safely and efficiently, and generate heat energy for the boiler to use. The transmission pipeline is connected to the low-concentration gas direct-fired boiler combustion device for energy supply, so that the combustion chamber is used to generate heat energy for combustion, thereby facilitating production and use. However, the device also has the following defects: When the above-mentioned device is in use, during the combustion process, the low-concentration gas direct-fired boiler may generate a certain amount of sound energy, which overflows from the tail pipe outlet and causes noise pollution to the surrounding environment. Utility Model Content
[0003] The utility model aims to provide a combustion device for a low-concentration gas direct-fired boiler, aiming to solve the problem in the prior art that when the above-mentioned equipment is in use, during the combustion process, the low-concentration gas direct-fired boiler may generate a certain amount of sound energy, which overflows from the tail pipe outlet and causes noise pollution to the surrounding environment.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-concentration gas direct-fired boiler combustion device, comprising: a combustion furnace body, an air inlet is provided on one side of the combustion furnace body, an exhaust port is provided on the other side of the combustion furnace body and a fixed plate is provided on the surface of the combustion furnace body on the same side, the top of the fixed plate is threadedly connected to a movable plate by a first bolt, the bottom of the movable plate is slidably connected to the fixed plate, the outer side of the movable plate is provided with a rubber protrusion that is clamped and connected to a mineral wool cover, the inner wall of the mineral wool cover is provided with a limit tube, and the limit tube is embedded and connected to the heat insulation cover.
[0005] In order to utilize the first bolt to fix the position of the movable plate on the fixed plate, as a preferred combustion device of a low-concentration gas direct-fired boiler of the utility model, two groups of the fixed plate, the first bolt and the movable plate are arranged at the upper and lower ends of the combustion furnace body, and the movable plate is a "T"-shaped integrated structure whose shape and size are consistent with the top slide of the fixed plate.
[0006] In order to use the limiting tube to fix the position of the heat insulation cover, as a preferred embodiment of the low-concentration gas direct-fired boiler combustion device of the present invention, two groups of cylindrical protrusions are annularly distributed on the outer wall of the heat insulation cover, and the shape and size of the protrusions are consistent with the limiting tube.
[0007] In order to enable the exhaust gas monitoring alarm arranged at the front end of the combustion furnace body to monitor the emitted exhaust gas in real time, as a preferred low-concentration gas direct-fired boiler combustion device of the utility model, a support column is provided at the front end of the combustion furnace body near the exhaust port, and the other side of the support column is connected to a connecting plate by a second bolt, and the front end of the connecting plate is fixedly connected to a limit claw, and the limit claw is engaged and connected to the exhaust gas monitoring alarm; the probe on the other side is sleeved on an elastic tube, and the elastic tube is located in the pipe at the opening of the mineral wool hood.
[0008] In order to utilize the limiting claw to fix the position of the exhaust gas monitoring alarm, as a preferred low-concentration gas direct-fired boiler combustion device of the utility model, the front end of the limiting claw is provided with five high-temperature resistant elastic limiting plates to clamp and fix the exhaust gas monitoring alarm.
[0009] In order to facilitate the monitoring of exhaust gas by fixing the probe of the exhaust gas monitoring alarm with an elastic tube, as a preferred low-concentration gas direct-fired boiler combustion device of the utility model, the elastic tube is made of high temperature resistant elastic material and is in the shape of a hollow tube.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The mineral wool cover installed at one end of the exhaust port of the combustion furnace body absorbs the noise generated by it, thereby reducing the spread of noise. At the same time, the heat insulation cover installed inside it blocks the high temperature and protects the mineral wool cover, thereby avoiding damage to the mineral wool cover caused by high temperature;
[0012] The position of the exhaust gas monitoring alarm is fixed by the limit claw arranged at the front end of the combustion furnace body, and the position of the exhaust gas monitoring alarm probe is fixed by the elastic tube in the mineral wool cover, so as to monitor the discharged exhaust gas and promptly alarm and handle the unqualified exhaust gas to avoid affecting the environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0016] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;
[0017] Figure 4It is a schematic diagram of the enlarged cross-sectional structure of the fixing plate and the mineral wool cover of the utility model.
[0018] In the figure: 1. combustion furnace body; 2. air inlet; 3. exhaust port; 4. fixing plate; 5. first bolt; 6. movable plate; 7. mineral wool cover; 8. limit pipe; 9. heat insulation cover; 10. support column; 11. second bolt; 12. connecting plate; 13. limit claw; 14. exhaust gas monitoring alarm; 15. elastic tube. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-4 The utility model provides the following technical solutions: a low-concentration gas direct-fired boiler combustion device, including: a combustion furnace body 1. The model of the combustion furnace body 1 in this design is: ZRFY (Q) oil and gas direct-fired combustion furnace. The combustion furnace body 1 in this technical solution is provided with mounting mechanisms on both sides thereof, which are respectively connected to the delivery pipeline and the exhaust pipeline. The mechanism is a conventional technology in this field, and it has no relevance to the technical problems in this technical solution. Therefore, no excessive description is made in this technical solution. In specific use, low-concentration gas direct-fired technology is used to transport low-concentration gas to the direct-fired system for combustion. The high-temperature flue gas generated by combustion enters the waste heat steam boiler for heat exchange, and finally generates steam for production use.
[0021] An air inlet 2 is provided on one side of the combustion furnace body 1, an exhaust port 3 is provided on the other side of the combustion furnace body 1, and a fixed plate 4 is provided on the surface of the combustion furnace body 1 on the same side. The top of the fixed plate 4 is threadedly connected to the movable plate 6 by a first bolt 5, and the bottom of the movable plate 6 is slidably connected to the fixed plate 4. A rubber protrusion is provided on the outer side of the movable plate 6 to engage with a mineral wool cover 7. A limiting tube 8 is provided on the inner wall of the mineral wool cover 7, and the limiting tube 8 is embedded and connected to the heat insulation cover 9.
[0022] Preferably, two groups of fixed plates 4 , first bolts 5 and movable plates 6 are arranged at the upper and lower ends of the combustion furnace body 1 , and the movable plate 6 is a “T”-shaped integrated structure whose shape and size are consistent with the top slide of the fixed plate 4 .
[0023] During specific use, the slideway provided on the top of the fixed plate 4 is used to move the movable plate 6 along a specified range, and the first bolts 5 are used to fix the connection between the fixed plate 4 and the movable plate 6 .
[0024] Preferably, the outer wall of the heat insulation cover 9 is provided with two groups of cylindrical protrusions distributed in an annular manner, and the shapes and sizes thereof are consistent with those of the limiting tube 8 .
[0025] During specific use, the limiting tube 8 provided on the inner wall of the mineral wool cover 7 fixes the position of the heat insulation cover 9 and facilitates the removal and replacement of the heat insulation cover 9.
[0026] Preferably: a support column 10 is provided at the front end of the combustion furnace body 1 near the exhaust port 3, and the other side of the support column 10 is connected to a connecting plate 12 by a second bolt 11. The front end of the connecting plate 12 is fixedly connected to a limiting claw 13, and the limiting claw 13 is engaged and connected to an exhaust gas monitoring alarm 14, and the exhaust gas monitoring alarm 14; the other side probe is sleeved on an elastic tube 15, and the elastic tube 15 is located in the pipe at the opening of the mineral wool cover 7.
[0027] During specific use, when the exhaust gas is discharged from the exhaust port 3, the exhaust gas monitoring alarm 14 is clamped and fixed on the limiting claw 13 arranged at the front end of the combustion furnace body 1. The probe is connected to the elastic tube 15 and fixed on the open end of the mineral wool cover 7, so as to monitor the discharged exhaust gas and give an alarm in time when the emission is not in compliance with the regulations. At the same time, after long-term use, the second bolt 11 fixed between the support column 10 and the connecting plate 12 can be regularly unscrewed to remove the limiting claw 13 thereon for replacement.
[0028] Preferably, five high temperature resistant elastic limiting plates are provided at the front end of the limiting claw 13 to clamp and fix the exhaust gas monitoring alarm 14 .
[0029] During specific use, the limiting claws 13 are used to conveniently and stably fix the exhaust gas monitoring alarm 14 and the fixed exhaust gas monitoring alarm 14 can be quickly disassembled.
[0030] Preferably, the elastic tube 15 is made of high temperature resistant elastic material and is in the shape of a hollow tube.
[0031] During specific use, the elastic tube 15 is used to facilitate fixing the position of the probe connected to the elastic tube 15 by utilizing its high temperature resistance and elasticity.
[0032] Working principle: When the combustion furnace body 1 is used to burn gas for heat supply, the mineral wool cover 7 fixed at one end of the exhaust port 3 is used to absorb the noise generated by the operation of the combustion furnace body 1 to reduce the spread of the sound. At the same time, the heat insulation cover 9 is fixedly engaged with the limit pipe 8 provided on the inner wall of the mineral wool cover 7 to block the high temperature discharged from the exhaust port 3 to prevent the high temperature from damaging the mineral wool cover 7 and affecting its service life. Then, when the exhaust port 3 discharges the exhaust gas, the exhaust gas monitoring alarm 14 is fixedly engaged with the limit claw 13 provided at the front end of the combustion furnace body 1, and the probe is connected to the elastic tube. 15 is sleeved and fixed on the open end of the mineral wool cover 7, so as to monitor the exhaust gas discharged and give an alarm in time when the emission is not in compliance with the regulations. At the same time, after long-term use, the second bolt 11 fixed between the support column 10 and the connecting plate 12 can be regularly unscrewed to remove the limiting claw 13 thereon for replacement, so as to avoid aging affecting the stability of the engaged exhaust gas monitoring alarm 14. At the same time, the first bolt 5 fixed between the fixed plate 4 and the movable plate 6 can be unscrewed to remove and replace the engaged mineral wool cover 7, and the heat insulation cover 9 on the limiting tube 8 arranged in the mineral wool cover 7 can be replaced.
[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A low-concentration gas direct-fired boiler combustion device, comprising: A combustion furnace body (1), characterized in that: an air inlet (2) is provided on one side of the combustion furnace body (1), an exhaust port (3) is provided on the other side of the combustion furnace body (1), and a fixed plate (4) is provided on the surface of the combustion furnace body (1) on the same side; the top of the fixed plate (4) is threadedly connected to a movable plate (6) by a first bolt (5); the bottom of the movable plate (6) is slidably connected to the fixed plate (4); a rubber protrusion is provided on the outer side of the movable plate (6) for snap-fitting connection with a mineral wool cover (7); a limit tube (8) is provided on the inner wall of the mineral wool cover (7); and the limit tube (8) is engaged and connected with a heat insulation cover (9).
2. A low-concentration gas direct-fired boiler combustion device according to claim 1, characterized in that: The two groups of fixed plates (4), first bolts (5) and movable plates (6) are arranged at the upper and lower ends of the combustion furnace body (1); the movable plate (6) is a "T"-shaped integrated structure with a shape and size that matches the top slide of the fixed plate (4).
3. The low-concentration gas direct-fired boiler combustion device according to claim 1 is characterized in that: Two groups of cylindrical protrusions are distributed annularly on the outer wall of the heat insulation cover (9), and the shape and size of the protrusions are consistent with those of the limiting tube (8).
4. The low-concentration gas direct-fired boiler combustion device according to claim 1 is characterized in that: A support column (10) is provided at the front end of the combustion furnace body (1) near the exhaust port (3); the other side of the support column (10) is connected to a connecting plate (12) by a second bolt (11); the front end of the connecting plate (12) is fixedly connected to a limiting claw (13); the limiting claw (13) is engaged and connected to an exhaust gas monitoring alarm (14); the exhaust gas monitoring alarm (14); the probe on the other side is sleeved on an elastic tube (15); the elastic tube (15) is located in a pipe at the opening of the mineral wool cover (7).
5. A low-concentration gas direct-fired boiler combustion device according to claim 4, characterized in that: The front end of the limiting claw (13) is provided with five high temperature resistant elastic limiting plates for clamping and fixing the exhaust gas monitoring alarm (14).
6. A low-concentration gas direct-fired boiler combustion device according to claim 4, characterized in that: The elastic tube (15) is high temperature resistant, made of elastic material and is in the shape of a hollow tube.