Flue gas on-line monitoring device

Abstract

The utility model relates to the technical field of smoke monitoring, in particular to an online smoke monitoring device which comprises a smoke pipe, the right side of the smoke pipe is fixedly connected with a mounting plate through bolts, the left side of the mounting plate penetrates into an inner cavity of the smoke pipe and is fixedly connected with a filter screen cylinder, and an adjusting mechanism is mounted on the right side of the mounting plate. A connecting pipe is arranged on the right side of the mounting plate in a penetrating mode, the left end of the connecting pipe extends to an inner cavity of the filter screen cylinder and is provided with a smoke detection device, and a cleaning mechanism is mounted on the surface of the filter screen cylinder. The rotating rod and the gear are rotated under the transmission of the belt pulley and the belt through the rotation of the lead screw, so that the gear ring, the connecting plate, the sliding rod and the cleaning brush are rotated, the surface of the filter screen cylinder can be cleaned, a large amount of dust is effectively prevented from being attached to the surface of the filter screen cylinder after long-time use, and the service life of the filter screen cylinder is prolonged. The filter screen cylinder is prevented from being blocked to influence the monitoring of the flue gas detection device on the flue gas.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke monitoring, in particular to an online smoke monitoring device. Background Art

[0002] As the problem of air pollution becomes more prominent, the country has continuously strengthened the monitoring of pollutant emissions and continuously lowered the pollutant emission limits, so the requirements for monitoring instruments are becoming higher and higher.

[0003] After searching, the patent number is CN215297056U, and the name is a utility model of an online continuous flue gas monitoring device, including a pipeline. Through research and analysis, it is found that although it has the advantage of monitoring different locations in the pipeline, it still has the following disadvantages to a certain extent.

[0004] For example, since the exhaust flue gas contains dust, the flue gas monitoring device is directly exposed to the dust-containing flue gas, which makes the dust easily adhere to the gas sensor, thereby affecting the gas sensor's detection of gas. In order to solve the above technical problems, we have designed a flue gas online monitoring device. Utility Model Content

[0005] The purpose of the utility model is to provide an online flue gas monitoring device, which has the advantages of dust filtering and anti-clogging in the flue gas, and solves the problem that the flue gas monitoring device is directly exposed to the flue gas containing dust due to the dust contained in the discharged flue gas, which makes the dust easily adhere to the gas sensor, thereby affecting the gas detection of the gas sensor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an online flue gas monitoring device, comprising a smoke pipe, the right side of the smoke pipe is fixedly connected to a mounting plate by bolts, the left side of the mounting plate penetrates into the inner cavity of the smoke pipe and is fixedly connected to a filter screen cylinder, an adjustment mechanism is installed on the right side of the mounting plate, a connecting pipe is penetrated through the right side of the mounting plate, the left end of the connecting pipe extends to the inner cavity of the filter screen cylinder and is installed with a smoke detection device, and a cleaning mechanism is installed on the surface of the filter screen cylinder.

[0007] Preferably, the adjustment mechanism includes a fixed plate, the right side of the fixed plate is fixedly connected to a servo motor by bolts, the rotating shaft of the servo motor passes through the fixed plate and is fixedly connected to a screw rod, the surface of the screw rod is threadedly sleeved with a movable plate, and the bottom of the movable plate is fixedly connected to the surface of the right end of the connecting tube.

[0008] Preferably, a guide rod is slidably provided on the right side of the movable plate, the left end of the guide rod is fixedly connected to the top of the right side of the mounting plate, and the right end of the guide rod is fixedly connected to the bottom of the left side of the fixed plate.

[0009] Preferably, the cleaning mechanism includes a circular ring, the right side of the circular ring is fixedly connected to the right side of the inner wall of the smoke pipe, the surface of the circular ring is provided with a gear ring through a bearing rotating sleeve, the top of the left side of the gear ring is fixedly connected to a connecting plate, both sides of the top of the connecting plate are slidably penetrated by sliding rods, the bottom end of the sliding rod is fixedly connected to a cleaning brush, the surface of the sliding rod is movable sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the cleaning brush and one side of the connecting plate.

[0010] Preferably, the cleaning mechanism includes a rotating rod, the left end of which is rotatably embedded in the right side of the smoke pipe through a bearing, the left end of the rotating rod is fixedly connected to a gear, the surface of the right end of the rotating rod and the surface of the left end of the screw rod are both fixedly sleeved with a belt pulley, and the surface of the belt pulley is transmission-connected with a belt.

[0011] Preferably, a cover body is sleeved on the surface of the connecting pipe, the left side of the cover body is fixedly connected to the right side of the mounting plate, and a sealing ring is provided between the connecting pipe, the mounting plate and the cover body.

[0012] Preferably, the inner cavity of the connecting pipe is provided with a bent pipe, both ends of the bent pipe penetrate and are fixedly embedded in the bottom of the connecting pipe, and an electric control valve is installed on the surface of the right end of the bent pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model controls the operation of the servo motor to rotate the screw, and moves the movable plate under the guidance of the guide rod, thereby moving the connecting pipe and the smoke detection device. It has the advantage of being able to detect different locations in the smoke pipe, so that multiple groups of data can be compared to ensure the accuracy of the detection data, reduce the error of the detection, and effectively avoid monitoring only the same location, resulting in unconvincing measurement data.

[0015] 2. The utility model rotates the rotating rod under the transmission of the pulley and the belt through the rotation of the screw rod, which rotates the gear, and then rotates the ring gear, the connecting plate, the sliding rod and the cleaning brush, thereby having the advantage of being able to clean the surface of the filter cylinder, effectively avoiding a large amount of dust adhering to the surface of the filter cylinder due to long-term use, and preventing the filter cylinder from being blocked and affecting the monitoring of the smoke by the smoke detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a partially cutaway stereoscopic schematic diagram of the utility model;

[0018] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram;

[0019] Figure 4 It is a three-dimensional schematic diagram of the filter screen cylinder and the gear ring of the utility model.

[0020] In the figure: 1. smoke pipe; 2. adjustment mechanism; 21. fixed plate; 22. servo motor; 23. screw rod; 24. movable plate; 25. guide rod; 3. connecting pipe; 4. smoke detection device; 5. filter cylinder; 6. cleaning mechanism; 61. ring; 62. gear ring; 63. connecting plate; 64. sliding rod; 65. cleaning brush; 66. spring; 67. rotating rod; 68. gear; 69. belt pulley; 610. belt; 7. cover body; 8. sealing ring; 9. elbow; 10. electric control valve; 11. mounting plate. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 4 , an online flue gas monitoring device, comprising a smoke pipe 1, the right side of the smoke pipe 1 is fixedly connected with a mounting plate 11 by bolts, the left side of the mounting plate 11 penetrates into the inner cavity of the smoke pipe 1 and is fixedly connected with a filter screen cylinder 5, by setting the filter screen cylinder 5, the dust carried by the smoke is prevented from adhering to the smoke detection device 4, and the detection sensitivity is improved, an adjustment mechanism 2 is installed on the right side of the mounting plate 11, a connecting pipe 3 is penetrated on the right side of the mounting plate 11, the left end of the connecting pipe 3 extends to the inner cavity of the filter screen cylinder 5 and is installed with the smoke detection device 4, and a cleaning mechanism 6 is installed on the surface of the filter screen cylinder 5.

[0022] See also Figure 1 and Figure 2 The adjustment mechanism 2 includes a fixed plate 21, and a servo motor 22 is fixedly connected to the right side of the fixed plate 21 by bolts. The rotating shaft of the servo motor 22 passes through the fixed plate 21 and is fixedly connected to a screw rod 23. By setting the screw rod 23, the servo motor 22 drives it to rotate, and the movable plate 24 is reciprocated under the action of the guide rod 25. The surface of the screw rod 23 is threadedly sleeved with the movable plate 24, and the bottom of the movable plate 24 is fixedly connected to the surface of the right end of the connecting pipe 3.

[0023] See also Figure 2 A guide rod 25 is provided on the right side of the movable plate 24 for sliding through. By providing the guide rod 25, the movable plate 24 is guided and limited, and at the same time, the force on the screw rod 23 is reduced to protect it. The left end of the guide rod 25 is fixedly connected to the top of the right side of the mounting plate 11, and the right end of the guide rod 25 is fixedly connected to the bottom of the left side of the fixed plate 21.

[0024] See also Figure 2 , Figure 3 and Figure 4The cleaning mechanism 6 includes a ring 61, the right side of the ring 61 is fixedly connected to the right side of the inner wall of the smoke pipe 1, and the ring 61 is provided to provide installation support for the installation of the gear ring 62, so that the gear ring 62 can rotate around the ring 61. The surface of the ring 61 is provided with a gear ring 62 through a bearing rotation sleeve, and a connecting plate 63 is fixedly connected to the top of the left side of the gear ring 62. Both sides of the top of the connecting plate 63 are slidably penetrated with sliding rods 64. By providing the sliding rod 64, the cleaning brush 65 is positioned and can be moved on the surface of the connecting plate 63. The bottom end of the sliding rod 64 is fixedly connected to the cleaning brush 65. By providing the cleaning brush 65, the surface of the filter cylinder 5 is cleaned under the action of its rotation. The surface of the sliding rod 64 is movably sleeved with a spring 66. By providing the spring 66, the cleaning brush 65 is fully in contact with the surface of the filter cylinder 5 under the action of its elastic force. The two ends of the spring 66 are respectively fixedly connected to the cleaning brush 65 and one side of the connecting plate 63.

[0025] See also Figure 2 , Figure 3 and Figure 4 The cleaning mechanism 6 includes a rotating rod 67, the left end of which is rotatably embedded in the right side of the smoke pipe 1 through a bearing, and the left end of the rotating rod 67 is fixedly connected to a gear 68. By setting the gear 68, the gear ring 62 is driven to rotate under the action of its rotation, thereby driving the connecting plate 63 to rotate. The surface of the right end of the rotating rod 67 and the surface of the left end of the screw rod 23 are fixedly sleeved with a belt pulley 69, and the surface of the belt pulley 69 is transmission-connected with a belt 610. By setting the belt pulley 69 and the belt 610, the rotating rod 67 is rotated under the driving action of the screw rod 23, thereby rotating the gear 68.

[0026] See also Figure 1 and Figure 3 A cover body 7 is sleeved on the surface of the connecting pipe 3, and the left side of the cover body 7 is fixedly connected to the right side of the mounting plate 11. A sealing ring 8 is provided between the connecting pipe 3, the mounting plate 11 and the cover body 7. By providing the sealing ring 8, the connecting pipe 3, the mounting plate 11 and the cover body 7 are sealed to prevent smoke leakage.

[0027] See also Figure 1 , Figure 2 and Figure 3 The inner cavity of the connecting pipe 3 is provided with a bent pipe 9, both ends of the bent pipe 9 are penetrated and fixedly embedded in the bottom of the connecting pipe 3, and an electric control valve 10 is installed on the surface of the right end of the bent pipe 9. By setting the bent pipe 9 and the electric control valve 10, it is connected to the external detection equipment through a pipeline, and re-detection can be carried out, which can be compared with the data detected by the smoke detection device 4.

[0028] When in use, the operation of the servo motor 22 is controlled to rotate the screw rod 23, and the movable plate 24 is moved under the guidance of the guide rod 25, thereby moving the connecting pipe 3 and the smoke detection device 4, so that detection can be performed at different locations in the smoke pipe 1. The rotation of the screw rod 23 is driven by the belt pulley 69 and the belt 610 to rotate the rotating rod 67, so that the gear 68 is rotated, and then the ring gear 62, the connecting plate 63, the sliding rod 64 and the cleaning brush 65 are rotated, so that the surface of the filter mesh cylinder 5 can be cleaned, effectively avoiding a large amount of dust adhering to the surface of the filter mesh cylinder 5 after long-term use, and preventing the filter mesh cylinder 5 from being blocked and affecting the monitoring of the smoke by the smoke detection device 4.

[0029] In summary: the flue gas online monitoring device, through the cooperation of the adjustment mechanism 2, the connecting pipe 3, the filter screen cylinder 5, the cleaning mechanism 6 and the mounting plate 11, solves the problem that the flue gas monitoring device is directly exposed to the dusty flue gas due to the dust contained in the discharged flue gas, which makes the dust easily adhere to the gas sensor, thereby affecting the gas sensor's gas detection.

Claims

1. A flue gas online monitoring device, comprising a smoke pipe (1), characterized in that: The right side of the smoke pipe (1) is fixedly connected to a mounting plate (11) by means of bolts, the left side of the mounting plate (11) penetrates into the inner cavity of the smoke pipe (1) and is fixedly connected to a filter screen cylinder (5), an adjustment mechanism (2) is installed on the right side of the mounting plate (11), a connecting pipe (3) is penetrated through the right side of the mounting plate (11), the left end of the connecting pipe (3) extends to the inner cavity of the filter screen cylinder (5) and is installed with a smoke detection device (4), and a cleaning mechanism (6) is installed on the surface of the filter screen cylinder (5).

2. The flue gas online monitoring device according to claim 1, characterized in that: The adjustment mechanism (2) comprises a fixed plate (21), the right side of the fixed plate (21) is fixedly connected to a servo motor (22) by means of bolts, the rotating shaft of the servo motor (22) passes through the fixed plate (21) and is fixedly connected to a screw rod (23), the surface of the screw rod (23) is threadedly sleeved with a movable plate (24), and the bottom of the movable plate (24) is fixedly connected to the surface of the right end of the connecting pipe (3).

3. The flue gas online monitoring device according to claim 2, characterized in that: A guide rod (25) is slidably provided on the right side of the movable plate (24), the left end of the guide rod (25) is fixedly connected to the top of the right side of the mounting plate (11), and the right end of the guide rod (25) is fixedly connected to the bottom of the left side of the fixed plate (21).

4. The flue gas online monitoring device according to claim 2, characterized in that: The cleaning mechanism (6) comprises a circular ring (61), the right side of the circular ring (61) is fixedly connected to the right side of the inner wall of the smoke pipe (1), the surface of the circular ring (61) is provided with a gear ring (62) through a bearing rotation sleeve, the top of the left side of the gear ring (62) is fixedly connected to a connecting plate (63), both sides of the top of the connecting plate (63) are slidably penetrated by sliding rods (64), the bottom end of the sliding rod (64) is fixedly connected to a cleaning brush (65), the surface of the sliding rod (64) is movably sleeved with a spring (66), and the two ends of the spring (66) are respectively fixedly connected to the cleaning brush (65) and one side of the connecting plate (63).

5. The flue gas online monitoring device according to claim 2, characterized in that: The cleaning mechanism (6) comprises a rotating rod (67), the left end of which is rotatably embedded in the right side of the smoke pipe (1) via a bearing, the left end of which is fixedly connected to a gear (68), the surface of the right end of the rotating rod (67) and the surface of the left end of the screw rod (23) are both fixedly sleeved with a belt pulley (69), and the surface of the belt pulley (69) is transmission-connected to a belt (610).

6. The flue gas online monitoring device according to claim 1, characterized in that: A cover body (7) is sleeved on the surface of the connecting pipe (3); the left side of the cover body (7) is fixedly connected to the right side of the mounting plate (11); and a sealing ring (8) is provided between the connecting pipe (3), the mounting plate (11) and the cover body (7).

7. The flue gas online monitoring device according to claim 1, characterized in that: The inner cavity of the connecting pipe (3) is provided with a bent pipe (9), both ends of the bent pipe (9) penetrate and are fixedly embedded in the bottom of the connecting pipe (3), and an electric control valve (10) is installed on the surface of the right end of the bent pipe (9).

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