Boiler flue gas detection device
By introducing a cleaning mechanism and heat exchanger into the boiler flue gas detection device, the problems of high-temperature damage and blockage are solved, the gas detection module is protected and the filter plate is effectively cleaned, and the service life and detection accuracy of the device are improved.
Patent Information
- Application Number
- CN202520160405.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing boiler flue gas detection devices are prone to damage to the gas detection module due to high temperatures, and the filter plate is easily clogged, affecting the detection effect.
A boiler flue gas detection device with a cleaning mechanism and a heat exchanger was designed. The cleaning mechanism uses a servo motor to drive a lead screw to clean the filter plate with brushes. The heat exchanger regulates the temperature of the flue gas, protects the gas detection module, and prevents the filter plate from clogging.
It effectively protects the gas detection module from high-temperature damage, extends the filter plate life, improves filtration efficiency, and ensures detection results.
Smart Images

Figure CN223808416U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flue gas detection technical field, concretely is a kind of boiler flue gas detection device. BACKGROUND
[0002] Boiler is a kind of equipment widely used in industry, energy, heating and many other fields, which produces a large amount of heat by burning various fuels (such as coal, natural gas, biomass, etc.), for generating steam, hot water or driving power equipment. During the fuel combustion process, a large amount of flue gas is generated, which contains various components.
[0003] The existing boiler flue gas detection device has the following shortcomings:
[0004] (1) The existing boiler flue gas detection device, when the boiler flue gas is sucked into the pipeline, the filter gas temperature is high, and the gas detection module is easily damaged by high temperature without cooling treatment.
[0005] (2) The filter plate in the existing boiler flue gas detection device will accumulate a large amount of dust particles when used for a long time, which will gradually block the filter holes on the filter plate, affecting the airflow and detection effect of the device. INVENTION CONTENTS
[0006] The technical problem to be solved by the utility model is to overcome the above technical defects, and to provide a boiler flue gas detection device with cooling function and automatic cleaning filter plate function.
[0007] In order to solve the above problems, the technical scheme of the utility model is as follows: a boiler flue gas detection device, comprising an air inlet pipe, one end of the air inlet pipe is fixedly connected with an annular connecting plate, one side of the annular connecting plate is connected with a mounting plate through a plurality of bolts, the inner side of the mounting plate is connected with a filter plate, the outer side of the filter plate is connected with an air inlet cover, one side of the mounting plate is provided with a cleaning mechanism, the inner side of the air inlet pipe is connected with an air suction fan, one end of the air inlet pipe is connected with a connecting pipe, the inner side of the connecting pipe is connected with a heat exchanger, one side of the inner wall of the connecting pipe is connected with a gas detection module, and the end of the connecting pipe is connected with an air outlet pipe.
[0008] Further, the cleaning mechanism comprises a connecting seat one and a connecting seat two, the connecting seat one and the connecting seat two are respectively fixedly connected to one side of the mounting plate, and a servo motor is connected to the inner side of the connecting seat one, the output end of the servo motor is fixedly connected with a lead screw, and the lead screw is rotatably connected to the inner side of the connecting seat one.
[0009] Further, the outer side of the lead screw is threadedly connected with a movable plate, the inner side of the connecting seat two is fixedly connected with a limiting rod, one end of the movable plate is slidably connected to the outer side of the limiting rod, and the lower side of the movable plate is fixedly connected with a brush.
[0010] Further, the bristles are made of soft material and the ends thereof can contact the filter plate.
[0011] Further, the end of the air outlet pipe is fixedly connected with a protective cover.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] (1) the utility model sets up the cleaning mechanism, drives the screw rod to rotate through the servo motor, drives the movable plate to move along the limiting rod, and then drives the bristle to clean the filter plate, the combination of the screw rod and the limiting rod can realize the accurate linear motion of the movable plate, and ensure that the bristle can stably clean the filter plate.
[0014] (2) the utility model sets up the heat exchanger, the heat exchanger in the connecting pipe inner side can carry out certain degree temperature regulation to the flue gas, this is helpful to cool the high temperature boiler flue gas to the appropriate working temperature range of the gas detection module, protects the gas detection module from high temperature damage, and also prepares for the subsequent discharge or further processing. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a kind of boiler flue gas detection device of the utility model Figure One .
[0016] Figure 2 is a kind of boiler flue gas detection device of the utility model Figure Two .
[0017] Figure 3 is a kind of cleaning mechanism in the utility model boiler flue gas detection device Figure Three .
[0018] As shown in the figure: 1, inlet pipe;2, annular connecting plate;3, mounting plate;4, filter plate;5, air inlet cover;6, cleaning mechanism;601, connecting seat one;602, connecting seat two;603, servo motor;604, screw rod;605, movable plate;606, limiting rod;607, bristle;7, exhaust fan;8, connecting pipe;9, heat exchanger;10, gas detection module;11, air outlet pipe;12, protective cover. DETAILED DESCRIPTION
[0019] The specific embodiment of the utility model is further illustrated below in combination with the drawings. Wherein the same parts are indicated with the same reference numerals.
[0020] It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.
[0021] In order to make the content of the utility model more easily understood clearly, the technical solutions in the utility model embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments.
[0022] As shown in Figures 1 to 3 A boiler flue gas detection device, comprising an air inlet pipe 1, one end of the air inlet pipe 1 is fixedly connected with an annular connecting plate 2, one side of the annular connecting plate 2 is connected with a mounting plate 3 through a plurality of bolts, the inside of the mounting plate 3 is connected with a filter plate 4, the outside of the filter plate 4 is connected with an air inlet cover 5, one side of the mounting plate 3 is provided with a cleaning mechanism 6, and the inside of the air inlet pipe 1 is connected with an air extractor 7. The mounting plate 3 is connected through the annular connecting plate 2 and the plurality of bolts, and the modular design is adopted, so that the connection and disassembly between the components are relatively easy. This is conducive to the installation, maintenance and replacement of components of the device. When the device needs to be overhauled or a component such as the filter plate or the cleaning mechanism needs to be replaced, it can be conveniently disassembled and reassembled, thereby reducing the maintenance time and cost.
[0023] One end of the air inlet pipe 1 is connected with a connecting pipe 8, the inside of the connecting pipe 8 is connected with a heat exchanger 9, one side of the inner wall of the connecting pipe 8 is connected with a gas detection module 10, and the end of the connecting pipe 8 is connected with an air outlet pipe 11. The end of the air outlet pipe 11 is fixedly connected with a protective cover 12. The heat exchanger 9 inside the connecting pipe 8 can regulate the temperature of the flue gas to a certain extent, which helps to cool the high-temperature boiler flue gas to the appropriate working temperature range of the gas detection module, protects the gas detection module 10 from high-temperature damage, and also prepares for subsequent discharge or further treatment.
[0024] The cleaning mechanism 6 includes a connecting seat one 601 and a connecting seat two 602, the connecting seat one 601 and the connecting seat two 602 are fixedly connected on one side of the mounting plate 3 respectively, and a servo motor 603 is connected on the inner side of the connecting seat one 601, the output end of the servo motor 603 is fixedly connected with a lead screw 604, the lead screw 604 is rotatably connected to the inner side of the connecting seat one 601, the outer side of the lead screw 604 is threadedly connected with a movable plate 605, the inner side of the connecting seat two 602 is fixedly connected with a limiting rod 606, one end of the movable plate 605 is slidably connected to the outer side of the limiting rod 606, the lower side of the movable plate 605 is fixedly connected with a brush 607, the brush 607 is made of soft material and the end thereof can contact the filter plate 4. The servo motor 603 drives the lead screw 604 to rotate, drives the movable plate 605 to move along the limiting rod 606, and then drives the brush 607 to clean the filter plate 4. The combination of the lead screw 604 and the limiting rod 606 can realize the precise linear motion of the movable plate 605, so that the brush 607 can stably clean the filter plate 4. Moreover, the brush 607 is made of soft material, which avoids scratching or damaging the filter plate 4, and effectively removes dust and particulate matter on the surface of the filter plate 4, thereby improving the service life and filtering efficiency of the filter plate 4.
[0025] In specific use, the exhaust fan 7 is started to draw the boiler flue gas into the inside of the inlet pipe 1 through the inlet cover 5, the gas is filtered by the filter plate 4, and the heat exchanger 9 in the inner side of the connecting pipe 8 can adjust the temperature of the flue gas to a certain extent, which helps to cool the high-temperature boiler flue gas to the appropriate working temperature range of the gas detection module, protects the gas detection module 10 from high temperature damage, and also prepares for subsequent discharge or further treatment, and the gas detection module 10 detects it.
[0026] When the device works for a certain period of time, the servo motor 603 drives the lead screw 604 to rotate, drives the movable plate 605 to move along the limiting rod 606, and then drives the brush 607 to clean the filter plate 4. The combination of the lead screw 604 and the limiting rod 606 can realize the precise linear motion of the movable plate 605, so that the brush 607 can stably clean the filter plate 4. Moreover, the brush 607 is made of soft material, which avoids scratching or damaging the filter plate 4, and effectively removes dust and particulate matter on the surface of the filter plate 4, thereby improving the service life and filtering efficiency of the filter plate 4, avoiding the accumulation of dust on the filter plate 4 to block the filter holes on the filter plate 4.
[0027] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.
Claims
1. A boiler flue gas detection device comprising an air inlet pipe (1), characterized in that: The air inlet pipe (1) one end fixedly connected with the annular connecting plate (2), one side of the annular connecting plate (2) is connected with the mounting plate (3) through several bolts, the mounting plate (3) is connected with the filter plate (4) on the inner side, the filter plate (4) is connected with the air inlet cover (5) on the outer side, one side of the mounting plate (3) is provided with the cleaning mechanism (6), the air inlet pipe (1) is connected with the air suction fan (7) on the inner side, one end of the air inlet pipe (1) is connected with the connecting pipe (8), the connecting pipe (8) is connected with the heat exchanger (9) on the inner side, one side of the inner wall of the connecting pipe (8) is connected with the gas detection module (10), the end of the connecting pipe (8) is connected with the air outlet pipe (11).
2. A boiler flue gas detection device according to claim 1, characterised in that: The cleaning mechanism (6) includes connecting seat one (601) and connecting seat two (602), the connecting seat one (601) and the connecting seat two (602) are fixedly connected on one side of the mounting plate (3) respectively, and the connecting seat one (601) is connected with the servo motor (603) on the inner side, the output end of the servo motor (603) is fixedly connected with the lead screw (604), and the lead screw (604) is rotatably connected on the inner side of the connecting seat one (601).
3. A boiler flue gas detection device according to claim 2, characterised in that: The outer side of the lead screw (604) is threadedly connected with the movable plate (605), the inner side of the connecting seat two (602) is fixedly connected with the limiting rod (606), one end of the movable plate (605) is slidably connected on the outer side of the limiting rod (606), and the lower side of the movable plate (605) is fixedly connected with the brush (607).
4. A flue gas detection device for a boiler as claimed in claim 3, characterized in that: The brush (607) is made of soft material, and the end thereof can contact the filter plate (4).
5. The boiler flue gas detection device according to claim 1, characterized in that: The end of the air outlet pipe (11) is fixedly connected with the protective cover (12).