Flue gas on-line monitoring device

Abstract

The invention discloses a flue gas on-line monitoring device, and relates to the technical field of flue gas detection, the flue gas on-line monitoring device comprises a cabinet body, a cooling mechanism, a filtering mechanism and a detection mechanism, the obverse side of the cabinet body is provided with an observation window, one side of the cabinet body is provided with a ventilation opening, the cabinet body is internally provided with a sampling mechanism, one side of the sampling mechanism is connected with the cooling mechanism, and the cooling mechanism is connected with the filtering mechanism. The bottom of the cooling mechanism is connected with a filtering mechanism, the filtering mechanism is connected with a detection mechanism, the sampling mechanism comprises a mounting seat, the mounting seat is fixedly connected with the inner wall of the cabinet body, the front surface of the mounting seat is connected with a shell, one side of the shell is connected with a guide pipe, and a power motor is arranged at the bottom of the shell. And the sampling mechanism is connected with the cooling mechanism through a guide pipe. Dust in air is filtered through the arranged sampling mechanism, and meanwhile the sampling purity is guaranteed through the arrangement of a cylindrical structure of the sampling mechanism.

Description

Technical Field

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

[0002] Flue gas online monitoring devices are important equipment for real-time monitoring of flue gas composition from emission sources such as industrial boilers, coal-fired power plants, and waste incineration plants. These devices can continuously and accurately measure the concentration of major pollutants in flue gas. With the improvement of global environmental protection awareness and strict requirements for emission regulations, the importance of flue gas online monitoring technology has become increasingly prominent.

[0003] Pollutants contained in flue gas have a significant impact on the environment and human health, requiring industrial enterprises to strengthen environmental protection measures during waste gas emissions. Traditional monitoring methods often rely on regular sampling and laboratory analysis, which cannot meet the needs of real-time monitoring. Online monitoring devices can provide real-time data, help to detect emission anomalies in a timely manner and take corresponding control measures to reduce the impact on the environment.

[0004] Under the current environmental protection situation, the flue gas online monitoring device is an important tool for achieving pollutant emission reduction. When the existing flue gas online monitoring device samples the air, due to the doping of dust particles in the air, dust accumulation is prone to occur in the flue gas online monitoring device, which affects the sampling quality and reduces the accuracy of the detection data. Long-term use in the flue gas online monitoring device causes dust accumulation, affecting the cleanliness inside the device. Therefore, an online flue gas monitoring device is introduced. Summary of the invention

[0005] The purpose of the present invention is to provide a flue gas online monitoring device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A flue gas online monitoring device comprises a cabinet, a cooling mechanism, a filtering mechanism and a detection mechanism, wherein an observation window is arranged on the front of the cabinet, a ventilation hole is arranged on one side of the cabinet, a sampling mechanism is installed inside the cabinet, a cooling mechanism is connected to one side of the sampling mechanism, a filtering mechanism is connected to the bottom of the cooling mechanism, and a detection mechanism is connected to the filtering mechanism;

[0008] The sampling mechanism includes a mounting seat, which is fixedly connected to the inner wall of the cabinet, a shell is connected to the front of the mounting seat, a conduit is connected to one side of the shell, a power motor is arranged at the bottom of the shell, and the sampling mechanism is connected to the cooling mechanism through the conduit.

[0009] The shell is set to be cylindrical, and the inner wall of the shell is movably connected to a roller, and the inner wall of the roller is provided with a brush plate, one side of the roller is connected to a gear ring, and one side of the gear ring is meshed with a gear, and the center point of the gear is fixedly connected to the output shaft of the power motor through a coupling, and the brush plate forms a linkage structure through the power motor, the roller, the gear ring and the gear.

[0010] In one embodiment, in the sampling mechanism, the power motor is started, and the power motor drives the gear to rotate through the output shaft, and the gear drives the meshing gear ring on one side to rotate synchronously, and the gear ring drives the roller to rotate along the inner wall of the shell, so that the roller drives the brush plate arranged on the inner wall to rotate rapidly. When the brush plate rotates, the air flow is accelerated, the internal environmental pressure of the roller is reduced, and the air is promoted to flow rapidly in the roller. The air is transmitted to the cooling mechanism through the duct along the inner wall of the roller, which reduces the contact between the air and the fan blades, improves the purity of the inhaled air, reduces the detection interference factors, and improves the accuracy of the smoke detection data.

[0011] A filter is provided on one side of the brush plate, and the filter is set in a cylindrical shape. The center of the cross section of the filter coincides with the center of the cross section of the shell. The right opening of the shell is an air inlet, and the left opening of the shell is an air outlet.

[0012] In one embodiment, inside the shell, air enters the drum from the air inlet on the right side of the shell under the action of the rotation of the drum, and then the dust in the air is filtered through the filter to avoid the influence of dust on smoke detection. Part of the air is filtered by the filter and then sucked into the duct, and part of the air flows out from the air outlet along with the dust to avoid the accumulation of dust inside the shell and improve the cleanliness inside the device.

[0013] There are two ventilation openings, which are symmetrically arranged on both sides of the cabinet, and the height of the ventilation openings is flush with the height of the air inlet in the shell.

[0014] In one embodiment, external air enters through the vents opened on the side of the cabinet. Through the arrangement of the vents and the shell, the vents, air inlets and air outlets form a fast air flow duct, thereby avoiding the influence of air stagnation on the detection data, ensuring the activity of air flow, and facilitating the sampling mechanism to sample the air multiple times. By comparing multiple sets of data, the authenticity of the smoke detection data can be ensured.

[0015] A plurality of brush plates are provided, and the plurality of brush plates are equidistantly distributed in a ring shape about the inner wall of the drum. The outer wall of the filter screen is in contact with the brush plates, and the inner wall of the filter screen is connected with the interior of the cabinet.

[0016] In one embodiment, in the sampling mechanism, the power motor drives the brush plate to rotate rapidly, sucking air into the duct, and at the same time the brush plate scrapes the filter. The edge of the brush plate is provided with soft bristles, and the filter holes on the filter are cleaned by the soft bristles on the brush plate to avoid the problem of dust blocking the filter. The dust cleaned by the brush plate is blown out along with the lateral flow of air in the filter, thereby ensuring the stable flow of air on the filter and improving the self-cleaning ability of the device.

[0017] The height of the air outlet in the sampling mechanism is flush with the height of the cooling mechanism, and the conduit is arranged on one side of the shell body close to the air outlet.

[0018] In one embodiment, the rotation of the roller and the brush plate in the shell drives the air around the conduit to flow rapidly, and the air in the conduit is initially cooled. The air is then transmitted to the cooling mechanism through the conduit. At the same time, the rotation of the roller and the brush plate drives the flow of air around the cooling mechanism, so that the sampling mechanism synchronously works on the cooling mechanism, thereby improving the energy utilization of the device and the working efficiency of the cooling mechanism.

[0019] The surface of the observation window is provided with a liquid crystal display screen, which is connected to the detection mechanism and is used to display the data detected by the detection mechanism in real time, so that the user can observe the real-time data by observing the liquid crystal display screen.

[0020] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0021] The present invention filters dust in the air through the sampling mechanism, and at the same time, utilizes the cylindrical structure of the sampling mechanism to reduce the direct contact between the sampling port and the air, reduce the accumulation and residue of some components in the air, and ensure the purity of the sampling. The vent, the air inlet and the air outlet constitute a fast air flow duct to avoid the influence of air retention on the detection data, ensure the activity of air flow, and facilitate the sampling mechanism to sample the air multiple times. By comparing multiple groups of data, the authenticity of the smoke detection data is ensured.

[0022] The power motor drives the brush plate to rotate quickly, sucking air into the duct, and at the same time the brush plate scrapes the filter screen, and the soft hair on the brush plate cleans the filter holes on the filter screen to avoid the problem of dust blocking the filter screen. The dust cleaned by the brush plate is blown out along with the horizontal air flow in the filter screen, ensuring the stable flow of air on the filter screen and improving the self-cleaning ability of the device;

[0023] By rotating the roller and the brush plate in the shell, the air around the cooling mechanism is driven to flow, so that the sampling mechanism synchronously works on the cooling mechanism, thereby improving the energy utilization of the device and the working efficiency of the cooling mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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 invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a front cross-sectional structural schematic diagram of the present invention;

[0027] Figure 3 It is a schematic diagram of the sampling mechanism structure of the present invention;

[0028] Figure 4 It is a schematic diagram of the cross-sectional structure of the sampling mechanism of the present invention;

[0029] Figure 5 It is a schematic diagram of the connection structure of the brush plate and the filter screen of the present invention.

[0030] In the figure:

[0031] 1. Cabinet;

[0032] 2. Observation window;

[0033] 3. Ventilation openings;

[0034] 4. Sampling mechanism; 401. Mounting seat; 402. Shell; 403. Conduit; 404. Power motor; 405. Roller; 406. Brush plate; 407. Gear ring; 408. Gear; 409. Filter;

[0035] 5. Cooling mechanism;

[0036] 6. Filter mechanism;

[0037] 7. Testing agency. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-Figure 5 , the present invention provides a technical solution:

[0040] A flue gas online monitoring device comprises a cabinet 1, a cooling mechanism 5, a filtering mechanism 6 and a detection mechanism 7. An observation window 2 is arranged on the front of the cabinet 1, a ventilation opening 3 is arranged on one side of the cabinet 1, a sampling mechanism 4 is installed inside the cabinet 1, one side of the sampling mechanism 4 is connected to the cooling mechanism 5, the bottom of the cooling mechanism 5 is connected to the filtering mechanism 6, and the filtering mechanism 6 is connected to the detection mechanism 7;

[0041] The sampling mechanism 4 includes a mounting base 401, which is fixedly connected to the inner wall of the cabinet 1, a shell 402 is connected to the front of the mounting base 401, a conduit 403 is connected to one side of the shell 402, a power motor 404 is provided at the bottom of the shell 402, and the sampling mechanism 4 is connected to the cooling mechanism 5 through the conduit 403.

[0042] The shell 402 is set to be cylindrical, and the inner wall of the shell 402 is movably connected to the roller 405, and the inner wall of the roller 405 is provided with a brush plate 406. One side of the roller 405 is connected to a gear ring 407, and one side of the gear ring 407 is meshed with a gear 408. The center point of the gear 408 is fixedly connected to the output shaft of the power motor 404 through a coupling, and the brush plate 406 forms a linkage structure through the power motor 404, the roller 405, the gear ring 407 and the gear 408. In the sampling mechanism 4, the power motor 404 is started, and the power motor 404 drives the gear 408 to rotate through the output shaft, and the gear 408 drives the meshing gear ring 407 on one side to rotate synchronously, and the gear ring 407 drives the roller 405 to rotate along the inner wall of the shell 402, so that the roller 405 drives the brush plate 406 set on the inner wall to rotate rapidly. When the brush plate 406 rotates, the air flow is accelerated, the internal environmental pressure of the roller 405 is reduced, and the air is promoted to flow rapidly in the roller 405. The air is transmitted to the cooling mechanism 5 through the duct 403 along the inner wall of the roller 405, which reduces the contact between the air and the fan blades, improves the purity of the inhaled air, reduces the detection interference factors, and improves the accuracy of the smoke detection data.

[0043] A filter screen 409 is provided on one side of the brush plate 406. The filter screen 409 is set to be cylindrical. The center of the cross section of the filter screen 409 coincides with the center of the cross section of the shell 402. The right opening of the shell 402 is the air inlet, and the left opening of the shell 402 is the air outlet. In the shell 402, the air enters the drum 405 from the air inlet on the right side of the shell 402 under the action of the rotation of the drum 405, and then the dust in the air is filtered through the filter screen 409 to avoid the influence of dust on smoke detection. Part of the air is filtered by the filter screen 409 and sucked into the duct 403, and part of the air flows out from the air outlet along with the dust to avoid the accumulation of dust inside the shell 402 and improve the cleanliness inside the device.

[0044] There are two vents 3, which are symmetrically arranged on both sides of the cabinet 1, and the height of the vents 3 is flush with the height of the air inlet in the shell 402. External air enters through the vents 3 opened on the side of the cabinet 1. Through the arrangement of the vents 3 and the shell 402, the vents, the air inlet and the air outlet form a fast air flow duct, avoiding the influence of air stagnation on the detection data, ensuring the activity of air flow, and facilitating the sampling mechanism 4 to sample the air multiple times. By comparing multiple sets of data, the authenticity of the smoke detection data is ensured.

[0045] A plurality of brush plates 406 are provided, and the plurality of brush plates 406 are equidistantly distributed in a ring around the inner wall of the drum 405. The outer wall of the filter screen 409 is in contact with the brush plates 406, and the inner wall of the filter screen 409 is connected to the interior of the cabinet 1. In the sampling mechanism 4, the power motor 404 drives the brush plate 406 to rotate rapidly, sucking air into the conduit 403, and at the same time, the brush plate 406 scrapes the filter screen 409. The edge of the brush plate 406 is provided with soft hair, and the filter holes on the filter screen 409 are cleaned by the soft hair on the brush plate 406 to avoid the problem of dust blocking the filter screen 409. The dust cleaned by the brush plate 406 is blown out along with the horizontal air flow in the filter screen 409, ensuring the stable flow of air on the filter screen 409 and improving the self-cleaning ability of the device.

[0046] The height of the air outlet in the sampling mechanism 4 is flush with the height of the cooling mechanism 5, and the conduit 403 is arranged on one side of the housing 402 close to the air outlet. The rotation of the roller 405 and the brush plate 406 in the housing 402 drives the air around the conduit 403 to flow quickly, and the air in the conduit 403 is initially cooled, and then the air is transmitted to the cooling mechanism 5 through the conduit 403. At the same time, the rotation of the roller 405 and the brush plate 406 drives the air around the cooling mechanism 5 to flow, so that the sampling mechanism 4 synchronously works on the cooling mechanism 5, thereby improving the energy utilization rate of the device and the working efficiency of the cooling mechanism 5.

[0047] The surface of the observation window 2 is provided with a liquid crystal display screen, which is connected to the detection mechanism 7 and is used to display the data detected by the detection mechanism in real time, so that the user can observe the real-time data by observing the liquid crystal display screen.

[0048] Working principle of the present invention:

[0049] First, in the sampling mechanism 4, the power motor 404 is started, and the power motor 404 drives the gear 408 to rotate through the output shaft, and the gear 408 drives the meshing gear ring 407 on one side to rotate synchronously, and the gear ring 407 drives the roller 405 to rotate along the inner wall of the shell 402, so that the roller 405 drives the brush plate 406 set on the inner wall to rotate rapidly. While the brush plate 406 rotates, the air flow is accelerated, the internal environmental pressure of the roller 405 is reduced, and the air is pushed to flow rapidly in the roller 405. The air is transmitted to the cooling mechanism 5 through the conduit 403 along the inner wall of the roller 405, reducing the contact between the air and the fan blades, improving the purity of the inhaled air, reducing the detection interference factors, and improving the accuracy of the smoke detection data;

[0050] In the shell 402, the air enters the drum 405 from the air inlet on the right side of the shell 402 under the action of the rotation of the drum 405, and then the dust in the air is filtered through the filter 409 to avoid the influence of dust on smoke detection. Part of the air is filtered by the filter 409 and then sucked into the duct 403, and part of the air flows out from the air outlet along with the dust to avoid the accumulation of dust inside the shell 402 and improve the cleanliness inside the device. External air enters through the vent 3 opened on the side of the cabinet 1. Through the arrangement of the vent 3 and the shell 402, the vent, the air inlet and the air outlet constitute a fast air flow duct, which is convenient for the sampling mechanism 4 to sample the air multiple times and improve the data accuracy through the comparison of multiple groups of data;

[0051] In the sampling mechanism 4, the power motor 404 drives the brush plate 406 to rotate rapidly, sucking air into the conduit 403, and at the same time, the brush plate 406 scrapes the filter screen 409. The edge of the brush plate 406 is provided with soft hair, and the filter holes on the filter screen 409 are cleaned by the soft hair on the brush plate 406 to avoid the problem of dust blocking the filter screen 409. The dust cleaned by the brush plate 406 is blown out along with the horizontal air flow in the filter screen 409, ensuring the stable flow of air on the filter screen 409;

[0052] By rotating the roller 405 and the brush plate 406 in the shell 402, the air around the conduit 403 is driven to flow quickly, and the air in the conduit 403 is initially cooled. Then the air is transmitted to the cooling mechanism 5 through the conduit 403. At the same time, by rotating the roller 405 and the brush plate 406, the air around the cooling mechanism 5 is driven to flow, so that the sampling mechanism 4 synchronously works on the cooling mechanism 5, thereby improving the energy utilization of the device and improving the working efficiency of the cooling mechanism 5.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned 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 present invention shall be included in the protection scope of the present invention.

Claims

1. A smoke online monitoring device, comprising a cabinet (1), a cooling mechanism (5), a filtering mechanism (6) and a detecting mechanism (7), characterized in that: The cabinet (1) is provided with an observation window (2) on the front side, a ventilation opening (3) is provided on one side of the cabinet (1), a sampling mechanism (4) is installed inside the cabinet (1), a cooling mechanism (5) is connected to one side of the sampling mechanism (4), a filtering mechanism (6) is connected to the bottom of the cooling mechanism (5), and the filtering mechanism (6) is connected to a detection mechanism (7); The sampling mechanism (4) comprises a mounting seat (401), the mounting seat (401) is fixedly connected to the inner wall of the cabinet (1), the front of the mounting seat (401) is connected to a shell (402), one side of the shell (402) is connected to a conduit (403), a power motor (404) is arranged at the bottom of the shell (402), and the sampling mechanism (4) is connected to a cooling mechanism (5) via the conduit (403).

2. The flue gas online monitoring device according to claim 1, characterized in that: The shell (402) is set to be cylindrical, the inner wall of the shell (402) is movably connected to a roller (405), the inner wall of the roller (405) is provided with a brush plate (406), one side of the roller (405) is connected to a gear ring (407), one side of the gear ring (407) is meshed with a gear (408), the center point of the gear (408) is fixedly connected to the output shaft of the power motor (404) through a coupling, and the brush plate (406) forms a linkage structure through the power motor (404), the roller (405), the gear ring (407) and the gear (408).

3. The flue gas online monitoring device according to claim 2, characterized in that: A filter screen (409) is provided on one side of the brush plate (406); the filter screen (409) is arranged in a cylindrical shape; the center of the cross section of the filter screen (409) coincides with the center of the cross section of the shell (402); the right opening of the shell (402) is an air inlet, and the left opening of the shell (402) is an air outlet.

4. The flue gas online monitoring device according to claim 1, characterized in that: Two ventilation openings (3) are provided, and the two ventilation openings (3) are symmetrically arranged on two sides of the cabinet (1), and the height of the ventilation openings (3) is flush with the height of the air inlet in the shell (402).

5. The flue gas online monitoring device according to claim 2, characterized in that: A plurality of brush plates (406) are provided, and the plurality of brush plates (406) are equidistantly distributed in a ring shape about the inner wall of the drum (405); the outer wall of the filter screen (409) is in contact with the brush plates (406); and the inner wall of the filter screen (409) is connected to the interior of the cabinet (1).

6. The flue gas online monitoring device according to claim 3, characterized in that: The height of the air outlet in the sampling mechanism (4) is flush with the height of the cooling mechanism (5), and the conduit (403) is arranged on one side of the housing (402) close to the air outlet.

7. The flue gas online monitoring device according to claim 1, characterized in that: The surface of the observation window (2) is provided with a liquid crystal display screen, which is connected to a detection mechanism (7) and is used to display data detected by the detection mechanism in real time.

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