Industrial flue gas online monitoring device and method

Abstract

The invention discloses an industrial flue gas online monitoring device and method thereof, belonging to the technical field of flue gas monitoring. It includes a monitoring cabinet, and also includes: a first support frame fixedly connected to the inner wall of the monitoring cabinet, a groove is opened on the first support frame, a sampling pump is fixedly connected to the surface of the first support frame, and a heating pipe is fixedly connected to the input end of the sampling pump; an inspection door connected to the two side walls of the monitoring cabinet, and an electronic lock is fixedly connected to the inspection door; a filter box fixedly connected to the surface of the first support frame, a first output pipe is fixedly connected between the filter box and the sampling pump, and a filter is fixedly connected to the inner wall of the filter box, wherein the bottom of the filter box is fixedly connected to a condensation dehydration device through a second output pipe, and the surface of the condensation dehydration device is fixedly connected to a gas analyzer through a third output pipe. When maintenance is needed, it is convenient to perform maintenance by simply opening the inspection door, thereby reducing the difficulty of maintenance work.

Description

Technical Field

[0001] The present invention relates to the technical field of flue gas monitoring, and in particular to an industrial flue gas online monitoring device and method thereof. Background Art

[0002] In industrial production, a large amount of flue gas is often produced. In order to ensure that the quality of factory flue gas emissions meets the standards, it is necessary to install a flue gas detector in the factory to detect the quality of flue gas emitted from the factory flue gas pipes.

[0003] The main cabinet of CEMS (continuous emission monitoring system) in the prior art is composed of main devices such as flue gas analyzer, permeation dryer, condensation dehydration device, sampling pump, filter device, etc., and a sampling probe is used to monitor the waste gas pollution generated in the production process, such as continuous monitoring of SO2, and transmit the information to the competent department in real time.

[0004] However, traditional industrial flue gas online monitoring devices have cumbersome overall structures and complex pipeline and line layouts, which makes maintenance and troubleshooting difficult. Therefore, they need to be improved. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the industrial flue gas online monitoring devices in the prior art have complicated overall structure, complex pipeline and line layout, resulting in great difficulty in maintenance and troubleshooting, and to propose an industrial flue gas online monitoring device and method thereof.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An industrial flue gas online monitoring device includes a monitoring cabinet, and also includes: a first support frame fixedly connected to the inner wall of the monitoring cabinet, the first support frame having a groove, a sampling pump fixedly connected to the surface of the first support frame, and a heating pipe fixedly connected to the input end of the sampling pump; an inspection door connected to the two side walls of the monitoring cabinet, and an electronic lock fixedly connected to the inspection door; a filter box fixedly connected to the surface of the first support frame, a first output pipe fixedly connected between the filter box and the sampling pump, and a filter fixedly connected to the inner wall of the filter box, wherein the bottom of the filter box is fixedly connected to a condensation dehydration device via a second output pipe, and the surface of the condensation dehydration device is fixedly connected to a gas analyzer via a third output pipe.

[0008] In order to facilitate the monitoring of the SO2 content in industrial flue gas, preferably, a sixth output pipe is fixedly connected to the third output pipe, and the output end of the sixth output pipe is fixedly connected to a phosphoric acid titration device, and a phosphoric acid barrel is fixedly connected to the inner wall of the monitoring cabinet, wherein a metering pump is fixedly connected inside the phosphoric acid barrel, and the output end of the metering pump is fixedly connected to a liquid outlet pipe, and the outlet end of the liquid outlet pipe is fixedly connected to the phosphoric acid titration device.

[0009] In order to further improve the drying effect of industrial flue gas, further, the third output pipe is fixedly connected to the permeation dryer through the fourth output pipe, the side wall of the permeation dryer is fixedly connected to the fifth output pipe, the fifth output pipe is fixedly connected to the sixth output pipe, and the fifth output pipe and the sixth output pipe are both fixedly connected with solenoid valves.

[0010] In order to facilitate the adjustment of the angle of the heating pipe, preferably, it also includes: an input pipe fixedly connected to the input end of the sampling pump, a first support plate fixedly connected to the surface of the input pipe, the first support plate is hollow, and the heating pipe is rotatably connected to the first support plate; a second support frame fixedly connected to the surface of the sampling pump, a motor fixedly connected to the surface of the second support frame, and an output end of the motor is fixedly connected to a first gear through a first rotating rod; a second gear fixedly connected to the outer wall of the heating pipe, the second gear and the first gear are meshed with each other.

[0011] In order to facilitate the conversion of heat dissipation mode and angle adjustment mode, it further includes: an arc plate fixedly connected to the surface of the second support frame, and a first slide groove is opened on the surface of the arc plate; a fourth rotating rod rotatably connected to the surface of the second support frame, the outer wall of the fourth rotating rod is fixedly connected to a handle and a connecting plate, the bottom of the connecting plate is fixedly connected to a first slider, and the first slider is slidably connected in the first slide groove; a second rotating rod rotatably connected to the bottom of the first slider, the outer wall of the second rotating rod is fixedly connected to a third gear, and the first gear and the second gear are both meshed with the third gear; a third rotating rod rotatably connected to the surface of the second support frame, the outer wall of the third rotating rod is fixedly connected to an impeller and a fourth gear, and the fourth gear and the third gear correspond to each other; a heat dissipation pipe fixedly connected to the surface of the monitoring cabinet, and the impeller is located in the heat dissipation pipe.

[0012] In order to facilitate the conversion of the connection mode between the third gear and the second gear and the fourth gear respectively, further, the fourth rotating rod is coaxial with the first rotating rod, and the arc center of the arc plate coincides with the axis of the first rotating rod.

[0013] In order to reduce the entry of external dust into the monitoring cabinet during the heat dissipation process, further, a dustproof net is fixedly connected to the surface of the heat dissipation pipe.

[0014] In order to facilitate intermittent cleaning of smoke particles stuck on the surface of the filter, it further includes: a fifth rotating rod rotatably connected to the surface of the second support frame, the outer wall of the fifth rotating rod is fixedly connected to a fifth gear and a cam, and the surface of the cam is symmetrically provided with a second slide groove; a fan-shaped gear fixedly connected to the outer wall of the third rotating rod, and the fan-shaped gear and the fifth gear are meshed with each other; a sliding rod slidably connected to the side wall of the filter box, one end of the sliding rod is fixedly connected to a concave plate, and the inner wall of the concave plate is symmetrically fixedly connected to a sliding column, wherein the sliding column is slidably connected in the second slide groove, and the other end of the sliding rod is fixedly connected to the movable plate; a sixth rotating rod rotatably connected to the bottom of the movable plate, the outer wall of the sixth rotating rod is fixedly connected to the second support plate, and the bottom of the second support plate is fixedly connected to soft bristles.

[0015] In order to facilitate the collection of smoke particles on the filter surface, it further includes: an ash box fixedly connected to the side wall of the filter box, the side walls of the filter box of the ash box are provided with a discharge slot, and a drawer is slidably connected in the ash box; an adjustment plate rotatably connected to the discharge slot, the side wall of the adjustment plate is fixedly connected with a second magnetic strip, the side wall of the filter box is fixedly connected with a first magnetic strip, and the magnetism of the first magnetic strip is opposite to that of the second magnetic strip; a driving column fixedly connected to the side wall of the movable plate, and the driving column and the adjustment plate correspond to each other.

[0016] An industrial flue gas online monitoring method, the operating steps are as follows:

[0017] First: start the motor according to the working conditions of the plant to adjust the angle of the heating pipe; then: start the sampling pump to draw the flue gas to be monitored into the filter for filtration to remove the smoke particles carried in the flue gas, and then input the filtered flue gas into the condensation and dehydration device for cooling and dehydration, and then input it into the gas analyzer. If it is analyzed that the flue gas contains SO2, the flue gas will be dried in the permeation dryer and then input into the phosphoric acid titration device to detect the SO2 content; finally: intermittently remove the smoke particles on the surface of the filter.

[0018] Compared with the prior art, the present invention provides an industrial flue gas online monitoring device, which has the following beneficial effects:

[0019] 1. The industrial flue gas online monitoring device arranges the sampling pump, filter, condensation and water removal device, and gas analyzer in layers on the first support frame, and all kinds of pipelines and lines are located in the grooves. Inspection doors are provided on both sides of the monitoring cabinet. Therefore, when maintenance is needed, it is only necessary to open the inspection door to carry out maintenance, which reduces the difficulty of maintenance work.

[0020] 2. The industrial flue gas online monitoring device can facilitate the adjustment of the angle of the heating pipe by turning the handle to make the first gear and the second gear mesh with the third gear. By turning the handle to make the first gear and the fourth gear mesh with the third gear, on the one hand, it is convenient to rotate the impeller to improve the heat dissipation efficiency. On the other hand, the movable plate can be moved in the ash box to facilitate intermittent cleaning of smoke particles adhering to the filter surface, thereby improving the filtration efficiency.

[0021] 3. In the industrial flue gas online monitoring device, when the driving column contacts the adjusting plate, the driving column drives the adjusting plate to flip, so that the smoke particles on the surface of the filter can be swept into the ash box and finally collected in the drawer, which is convenient for improving the cleaning effect. When the moving plate moves toward the cam direction, the suction force between the first magnetic strip and the second magnetic strip causes the adjusting plate to return to the initial position, thereby realizing the sealing function. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of an industrial flue gas online monitoring device proposed by the present invention;

[0023] Figure 2 A schematic diagram of a partial structure of an industrial flue gas online monitoring device proposed by the present invention Figure 1 ;

[0024] Figure 3 A schematic diagram of a partial structure of an industrial flue gas online monitoring device proposed by the present invention Figure 2 ;

[0025] Figure 4 A schematic diagram of a partial structure of an industrial flue gas online monitoring device proposed by the present invention Figure 3 ;

[0026] Figure 5 A schematic diagram of a partial structure of an industrial flue gas online monitoring device proposed by the present invention Figure 4 ;

[0027] Figure 6 A schematic diagram of a partial structure of an industrial flue gas online monitoring device proposed by the present invention Figure 5 ;

[0028] Figure 7 This is a schematic cross-sectional view of a filter box in an industrial flue gas online monitoring device proposed by the present invention;

[0029] Figure 8 An industrial flue gas online monitoring device proposed by the present invention Figure 7 A schematic diagram of the enlarged structure in FIG.

[0030] In the figure: 1. monitoring cabinet; 101. control panel; 102. display screen; 103. first support frame; 104. inspection door; 105. electronic lock; 106. groove; 2. sampling pump; 201. heating pipe; 202. first output pipe; 3. filter box; 301. filter; 302. moving plate; 303. sixth rotating rod; 304. second support plate; 305. soft brush; 4. second output pipe; 401. condensation dehydration device; 402. third output pipe; 403. gas analyzer; 404. fourth output pipe; 405. permeation dryer; 406. fifth output pipe; 407. sixth output pipe; 408. solenoid valve; 5. phosphoric acid titration device; 501. phosphoric acid barrel; 502. metering pump; 503. liquid outlet pipe; 6. input pipe; 601. first support plate; 602, motor; 603, first rotating rod; 604, first gear; 605, second gear; 606, second supporting frame; 7, arc plate; 701, first slider; 702, first slide groove; 703, second rotating rod; 704, third gear; 705, fourth gear; 706, third rotating rod; 707, impeller; 708, heat pipe; 709, dust screen; 8, connecting plate; 801, fourth rotating rod; 802, handle; 803, sector gear; 804, fifth gear; 805, fifth rotating rod; 806, cam; 807, second slide groove; 808, concave plate; 809, slide column; 9, ash box; 901, adjustment plate; 902, first magnetic strip; 903, second magnetic strip; 904, drawer; 905, slide rod; 906, discharge chute; 907, driving column. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] Embodiment 1:

[0034] Reference Figure 1-Figure 4, an industrial flue gas online monitoring device, comprising a monitoring cabinet 1, a control panel 101 and a display screen 102 are fixedly connected to the surface of the monitoring cabinet 1, and also comprising: a first support frame 103 fixedly connected to the inner wall of the monitoring cabinet 1, a groove 106 is opened on the first support frame 103, a sampling pump 2 is fixedly connected to the surface of the first support frame 103, and a heating pipe 201 is fixedly connected to the input end of the sampling pump 2; an inspection door 104 connected to the two side walls of the monitoring cabinet 1, and an electronic lock 105 is fixedly connected to the inspection door 104; a filter box 3 fixedly connected to the surface of the first support frame 103, a first output pipe 202 is fixedly connected between the filter box 3 and the sampling pump 2, and a filter 301 is fixedly connected to the inner wall of the filter box 3, wherein a condensation dehydration device 401 is fixedly connected to the bottom of the filter box 3 through a second output pipe 4, and a gas analyzer 403 is fixedly connected to the surface of the condensation dehydration device 401 through a third output pipe 402.

[0035] It should be supplemented that the filter 301 , the condensation water removal device 401 , and the gas analyzer 403 are all fixedly connected to the first support frame 103 , and the first output pipe 202 , the second output pipe 4 , and the third output pipe 402 are all located in the groove 106 .

[0036] When in use, start the sampling pump 2 to draw the flue gas to be monitored into the filter 301 for filtration to remove the smoke particles carried in the flue gas, and then input the filtered flue gas into the condensation and dehydration device 401 for cooling and dehydration, and then input it into the gas analyzer 403 to analyze the components of the flue gas. Since the sampling pump 2, filter 301, condensation and dehydration device 401, and gas analyzer 403 are arranged in layers on the first support frame 103, various pipelines and lines are located in the groove 106, and maintenance doors 104 are provided on both sides of the monitoring cabinet 1. Therefore, when maintenance is needed, it is only necessary to open the maintenance door 104 to facilitate maintenance, thereby reducing the difficulty of maintenance work.

[0037] Embodiment 2:

[0038] Reference Figure 2-Figure 4 , which is basically the same as Example 1, and further, adds a specific implementation scheme for monitoring the content of SO2 in industrial flue gas.

[0039] Reference Figure 2-Figure 4 The third output tube 402 is fixedly connected to an osmotic dryer 405 via a fourth output tube 404, a fifth output tube 406 is fixedly connected to the side wall of the osmotic dryer 405, a phosphoric acid titration device 5 is fixedly connected to the bottom of the fifth output tube 406 via a sixth output tube 407, and solenoid valves 408 are fixedly connected to both the fifth output tube 406 and the sixth output tube 407.

[0040] Reference Figure 3-Figure 4A phosphoric acid barrel 501 is fixedly connected to the inner wall of the monitoring cabinet 1, a metering pump 502 is fixedly connected to the phosphoric acid barrel 501, an output end of the metering pump 502 is fixedly connected to a liquid outlet pipe 503, and an outlet end of the liquid outlet pipe 503 is fixedly connected to the phosphoric acid titration device 5.

[0041] When in use, if the gas analyzer 403 analyzes that the flue gas contains SO2, the flue gas is first dried by the permeation dryer 405 and then input into the phosphoric acid titration device 5. At the same time, the metering pump 502 is started to input the phosphoric acid in the phosphoric acid barrel 501 into the phosphoric acid titration device 5 from the liquid outlet pipe 503, so as to facilitate the detection of the SO2 content. Various pretreatment structures improve the accuracy and stability of flue gas analysis and monitoring.

[0042] Embodiment 3:

[0043] Reference Figure 5-Figure 6 , which is basically the same as Example 2, and further, a specific implementation scheme for adjusting the angle of the heating pipe 201 is added.

[0044] Due to the influence of industrial plant conditions, when installing the monitoring cabinet 1, it is necessary to adjust the angle of the heating pipe 201 according to actual conditions. Therefore, the industrial flue gas online monitoring device also includes: an input pipe 6 fixedly connected to the input end of the sampling pump 2, the surface of the input pipe 6 is fixedly connected to a first support plate 601, the first support plate 601 is hollow, and the heating pipe 201 is rotatably connected to the first support plate 601; a second support frame 606 fixedly connected to the surface of the sampling pump 2, the surface of the second support frame 606 is fixedly connected to a motor 602, and the output end of the motor 602 is fixedly connected to a first gear 604 through a first rotating rod 603; a second gear 605 fixedly connected to the outer wall of the heating pipe 201, and the second gear 605 and the first gear 604 are meshed with each other.

[0045] When in use, the starting motor 602 drives the first rotating rod 603 to rotate, the first rotating rod 603 drives the first gear 604 to rotate, the first gear 604 drives the second gear 605 to rotate, and the second gear 605 drives the heating pipe 201 to rotate on the surface of the first support plate 601, thereby facilitating the adjustment of the angle of the heating pipe 201.

[0046] Embodiment 4:

[0047] Reference Figure 2 as well as Figure 5-Figure 6 , which is basically the same as Example 3, and further, adds a specific implementation plan for converting the heat dissipation mode and the angle adjustment mode.

[0048] The industrial flue gas online monitoring device also includes: an arc plate 7 fixedly connected to the surface of the second support frame 606, and a first slide groove 702 is opened on the surface of the arc plate 7; a fourth rotating rod 801 rotatably connected to the surface of the second support frame 606, and a handle 802 and a connecting plate 8 are fixedly connected to the outer wall of the fourth rotating rod 801, and a first slider 701 is fixedly connected to the bottom of the connecting plate 8, and the first slider 701 is slidably connected in the first slide groove 702; a second rotating rod 703 rotatably connected to the bottom of the first slider 701, and a third gear 70 is fixedly connected to the outer wall of the second rotating rod 703 4. The first gear 604 and the second gear 605 are both meshed with the third gear 704; the third rotating rod 706 is rotatably connected to the surface of the second supporting frame 606, and the outer wall of the third rotating rod 706 is fixedly connected with an impeller 707 and a fourth gear 705, and the fourth gear 705 corresponds to the third gear 704. The correspondence here means that the third gear 704 can be meshed with or separated from the fourth gear 705 when rotating around the fourth rotating rod 801; the heat dissipation pipe 708 is fixedly connected to the surface of the monitoring cabinet 1, and the impeller 707 is located in the heat dissipation pipe 708.

[0049] In the angle adjustment mode, the starting motor 602 drives the first rotating rod 603 to rotate, the first rotating rod 603 drives the first gear 604 to rotate, the first gear 604 drives the third gear 704 to rotate, and the third gear 704 drives the second gear 605 to rotate, thereby facilitating the adjustment of the angle of the heating pipe 201.

[0050] In the heat dissipation mode, the handle 802 is held to rotate the fourth rotating rod 801, and the fourth rotating rod 801 drives the connecting plate 8 to rotate, and the connecting plate 8 drives the first slider 701 to slide in the first sliding groove 702, so that the first gear 604 and the fourth gear 705 are engaged with the third gear 704. At this time, the starting motor 602 drives the first rotating rod 603 to rotate, the first rotating rod 603 drives the first gear 604 to rotate, the first gear 604 drives the third gear 704 to rotate, the third gear 704 drives the fourth gear 705 to rotate, the fourth gear 705 drives the third rotating rod 706 to rotate, and the third rotating rod 706 drives the impeller 707 to rotate, thereby facilitating heat dissipation.

[0051] In order to facilitate the conversion of the connection mode between the third gear 704 and the second gear 605 and the fourth gear 705 , the fourth rotating rod 801 is coaxial with the first rotating rod 603 , and the arc center of the arc plate 7 coincides with the axis of the first rotating rod 603 .

[0052] In order to reduce the entry of external dust into the monitoring cabinet 1 during the heat dissipation process, a dustproof net 709 is fixedly connected to the surface of the heat dissipation pipe 708 .

[0053] Embodiment 5:

[0054] Reference Figure 2-Figure 3 as well as Figure 5-Figure 8 , which is basically the same as Example 4, and further, adds a specific implementation scheme for intermittently cleaning the smoke particles adhering to the surface of the filter 301.

[0055] Due to long-term use, particles carried in the flue gas are easily accumulated on the surface of the filter 301. If it is not cleaned regularly, it is easy to affect the filtering effect of the filter 301. Therefore, the industrial flue gas online monitoring device also includes: a fifth rotating rod 805 rotatably connected to the surface of the second support frame 606, the outer wall of the fifth rotating rod 805 is fixedly connected to the fifth gear 804 and the cam 806, and the surface of the cam 806 is symmetrically provided with a second slide groove 807; a sector gear 803 fixedly connected to the outer wall of the third rotating rod 706, the sector gear 803 and the The fifth gear 804 is meshed with each other; the sliding rod 905 is slidably connected to the side wall of the filter box 3, one end of the sliding rod 905 is fixedly connected to a concave plate 808, and the inner wall of the concave plate 808 is symmetrically fixedly connected to a sliding column 809, wherein the sliding column 809 is slidably connected in the second sliding groove 807, and the other end of the sliding rod 905 is fixedly connected to the movable plate 302; the sixth rotating rod 303 is rotationally connected to the bottom of the movable plate 302, the outer wall of the sixth rotating rod 303 is fixedly connected to the second support plate 304, and the bottom of the second support plate 304 is fixedly connected to soft bristles 305.

[0056] When in use, the third rotating rod 706 drives the sector gear 803 to rotate, the sector gear 803 drives the fifth gear 804 to rotate, the fifth gear 804 drives the fifth rotating rod 805 to rotate, the fifth rotating rod 805 drives the cam 806 to rotate, the cam 806 drives the slide bar 905 to move back and forth, the slide bar 905 drives the movable plate 302 to move in the filter box 3, the movable plate 302 drives the soft bristles 305 to move, and at the same time, during the movement, the sixth rotating rod 303 drives the second support plate 304 to rotate, thereby facilitating the removal of smoke particles adhering to the surface of the filter 301.

[0057] In the process of removing smoke particles, the moving plate 302 moves back and forth, which may cause some smoke particles to return to the surface of the filter 301. At the same time, if the smoke particles accumulated on one side of the filter 301 are not collected, they may be driven by the smoke and fly in the filter box 3, thereby affecting the cleaning effect. Figure 7-Figure 8The industrial flue gas online monitoring device also includes: an ash box 9 fixedly connected to the side wall of the filter box 3, the side walls of the filter box 3 of the ash box 9 are provided with a discharge slot 906, and a drawer 904 is slidably connected in the ash box 9; an adjustment plate 901 rotatably connected in the discharge slot 906, the side wall of the adjustment plate 901 is fixedly connected with a second magnetic strip 903, the side wall of the filter box 3 is fixedly connected with a first magnetic strip 902, and the magnetism of the first magnetic strip 902 is opposite to that of the second magnetic strip 903; a driving column 907 fixedly connected to the side wall of the movable plate 302, and the driving column 907 corresponds to the adjustment plate 901.

[0058] When in use, the movable plate 302 moves toward the ash box 9. When the driving column 907 contacts the adjusting plate 901, the movable plate 302 continues to move toward the ash box 9. Under the push of the driving column 907, the adjusting plate 901 is flipped, so that the smoke and dust particles on the surface of the filter 301 are easily swept into the ash box 9 and finally collected in the drawer 904. When the movable plate 302 moves toward the cam 806, the suction force between the first magnetic strip 902 and the second magnetic strip 903 returns the adjusting plate 901 to its initial position, thereby realizing the sealing function.

[0059] An industrial flue gas online monitoring method, the operating steps are as follows:

[0060] First: start the motor 602 according to the factory working conditions, so as to adjust the angle of the heating pipe 201; then: start the sampling pump 2 to draw the flue gas to be monitored into the filter 301 for filtration to remove the smoke particles carried in the flue gas, and then input the filtered flue gas into the condensation and dehydration device 401 for cooling and dehydration, and then input it into the gas analyzer 403. If it is analyzed that the flue gas contains SO2, the flue gas is first dried by the permeation dryer 405 and then input into the phosphoric acid titration device 5 to detect the SO2 content; finally: intermittently remove the smoke particles on the surface of the filter 301.

[0061] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. An industrial flue gas online monitoring device, comprising a monitoring cabinet (1), characterized in that: Also includes: A first support frame (103) fixedly connected to the inner wall of the monitoring cabinet (1), the first support frame (103) being provided with a groove (106), a sampling pump (2) being fixedly connected to the surface of the first support frame (103), and a heating pipe (201) being fixedly connected to the input end of the sampling pump (2); An inspection door (104) connected to two side walls of the monitoring cabinet (1), wherein an electronic lock (105) is fixedly connected to the inspection door (104); a filter box (3) fixedly connected to the surface of the first support frame (103), a first output pipe (202) fixedly connected between the filter box (3) and the sampling pump (2), a filter (301) fixedly connected to the inner wall of the filter box (3), The bottom of the filter box (3) is fixedly connected to a condensation dewatering device (401) via a second output pipe (4), and the surface of the condensation dewatering device (401) is fixedly connected to a gas analyzer (403) via a third output pipe (402); The third output tube (402) is fixedly connected to a sixth output tube (407), the output end of the sixth output tube (407) is fixedly connected to a phosphoric acid titration device (5), and the inner wall of the monitoring cabinet (1) is fixedly connected to a phosphoric acid barrel (501). The phosphoric acid barrel (501) is fixedly connected to a metering pump (502), the output end of the metering pump (502) is fixedly connected to a liquid outlet pipe (503), and the outlet end of the liquid outlet pipe (503) is fixedly connected to a phosphoric acid titration device (5); The third output pipe (402) is fixedly connected to an osmotic dryer (405) via a fourth output pipe (404); a fifth output pipe (406) is fixedly connected to a side wall of the osmotic dryer (405); the fifth output pipe (406) is fixedly connected to a sixth output pipe (407); and both the fifth output pipe (406) and the sixth output pipe (407) are fixedly connected to a solenoid valve (408); An input pipe (6) fixedly connected to the input end of the sampling pump (2), a first support plate (601) fixedly connected to the surface of the input pipe (6), the first support plate (601) being hollow, and the heating pipe (201) being rotatably connected to the first support plate (601); A second support frame (606) fixedly connected to the surface of the sampling pump (2), a motor (602) fixedly connected to the surface of the second support frame (606), and an output end of the motor (602) fixedly connected to a first gear (604) via a first rotating rod (603); a second gear (605) fixedly connected to the outer wall of the heat tracing pipe (201), the second gear (605) being meshed with the first gear (604); An arc-shaped plate (7) fixedly connected to the surface of the second support frame (606), wherein the surface of the arc-shaped plate (7) is provided with a first sliding groove (702); A fourth rotating rod (801) is rotatably connected to the surface of the second supporting frame (606), the outer wall of the fourth rotating rod (801) is fixedly connected to a handle (802) and a connecting plate (8), the bottom of the connecting plate (8) is fixedly connected to a first sliding block (701), and the first sliding block (701) is slidably connected in the first sliding groove (702); A second rotating rod (703) is rotatably connected to the bottom of the first sliding block (701), a third gear (704) is fixedly connected to the outer wall of the second rotating rod (703), and the first gear (604) and the second gear (605) are both meshed with the third gear (704); A third rotating rod (706) is rotatably connected to the surface of the second support frame (606), an outer wall of the third rotating rod (706) is fixedly connected to an impeller (707) and a fourth gear (705), and the fourth gear (705) corresponds to the third gear (704); A heat dissipation pipe (708) is fixedly connected to the surface of the monitoring cabinet (1), and the impeller (707) is located inside the heat dissipation pipe (708).

2. The industrial flue gas online monitoring device according to claim 1, characterized in that: The fourth rotating rod (801) is coaxial with the first rotating rod (603), and the arc center of the arc plate (7) coincides with the axis of the first rotating rod (603).

3. The industrial flue gas online monitoring device according to claim 1, characterized in that: A dustproof net (709) is fixedly connected to the surface of the heat dissipation pipe (708).

4. The industrial flue gas online monitoring device according to claim 1, characterized in that: Also includes: A fifth rotating rod (805) is rotatably connected to the surface of the second support frame (606), wherein the outer wall of the fifth rotating rod (805) is fixedly connected to a fifth gear (804) and a cam (806), and a second sliding groove (807) is symmetrically formed on the surface of the cam (806); A sector gear (803) fixedly connected to the outer wall of the third rotating rod (706), the sector gear (803) and the fifth gear (804) being meshed with each other; A sliding rod (905) is slidably connected to the side wall of the filter box (3), one end of the sliding rod (905) is fixedly connected to a concave plate (808), and the inner wall of the concave plate (808) is symmetrically fixedly connected to a sliding column (809). The sliding column (809) is slidably connected in the second sliding groove (807), and the other end of the sliding rod (905) is fixedly connected to the moving plate (302); A sixth rotating rod (303) is rotatably connected to the bottom of the movable plate (302), the outer wall of the sixth rotating rod (303) is fixedly connected to a second supporting plate (304), and the bottom of the second supporting plate (304) is fixedly connected to soft bristles (305).

5. The industrial flue gas online monitoring device according to claim 4, characterized in that: Also includes: An ash collecting box (9) is fixedly connected to the side wall of the filter box (3), the side walls of the filter box (3) of the ash collecting box (9) are both provided with a discharge slot (906), and a drawer (904) is slidably connected inside the ash collecting box (9); An adjustment plate (901) rotatably connected to the discharge chute (906), a second magnetic strip (903) being fixedly connected to the side wall of the adjustment plate (901), a first magnetic strip (902) being fixedly connected to the side wall of the filter box (3), and the first magnetic strip (902) and the second magnetic strip (903) having opposite magnetic properties; A driving column (907) is fixedly connected to the side wall of the movable plate (302), and the driving column (907) corresponds to the adjustment plate (901).

6. An industrial flue gas online monitoring method, using an industrial flue gas online monitoring device according to any one of claims 1 to 5, characterized in that: The steps are as follows: Step 1: starting the motor (602) according to the factory working conditions, thereby adjusting the angle of the heating pipe (201); Step 2: Start the sampling pump (2) to draw the flue gas to be monitored into the filter (301) for filtration to remove smoke particles carried in the flue gas, then input the filtered flue gas into the condensation and dehydration device (401) for cooling and dehydration, and then input it into the gas analyzer (403). If the flue gas is analyzed to contain SO2, the flue gas is first dried by the permeation dryer (405) and then input into the phosphoric acid titration device (5) to detect the SO2 content; Step 3: intermittently remove smoke particles on the surface of the filter (301).

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