Flue gas emission monitoring device

Abstract

The utility model provides a flue gas emission monitoring device which comprises a shell, a filtering mechanism, a monitor and an exhaust fan, one end of the shell is provided with a gas inlet, and the other end of the shell is arranged in an open structure; the filtering mechanism comprises a power assembly, a cleaning assembly and a filter screen assembly, and the power assembly is rotationally arranged on the outer side of the shell; the filter screen assembly is arranged at one end of the shell and right faces the air inlet. The cleaning assembly sleeves the outer side of the filter screen assembly and is connected with the power assembly; and the monitor and the exhaust fan are respectively arranged in the shell. According to the flue gas emission monitoring device disclosed by the embodiment of the utility model, the filtering mechanism can realize self-cleaning, so that not only can the maintenance frequency be reduced, but also the accuracy of monitoring data can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas monitoring technical field especially, relate to a flue gas emission monitoring device. BACKGROUND

[0002] The rapid development of heavy industries such as coal-fired, petroleum chemical industry, metallurgy leads to the emission of a large amount of harmful gases (such as sulfur dioxide, nitrogen oxides, carbon monoxide, particulate matter, heavy metals, etc.) and greenhouse gases (carbon dioxide, methane), which causes environmental and health crisis, and the treatment and monitoring of emission gases are the top priority of green production.

[0003] At present, flue gas emission monitoring devices are usually installed inside the pipeline through which flue gas flows. However, during long-term operation, solid particles in the flue gas are prone to deposit on the surface of the monitoring device, which not only affects the accuracy of the monitoring data, but also increases the frequency of equipment maintenance. Since the maintenance process involves the operation of professional technicians and the steps are relatively complex, it brings many inconveniences to the actual monitoring work. SUMMARY

[0004] The utility model aims at at least one of the above technical problems in the technical field.

[0005] Therefore, one purpose of the utility model is to provide a flue gas emission monitoring device, which can realize self-cleaning, reduce the maintenance frequency, and ensure the accuracy of the monitoring data.

[0006] To achieve the above purpose, the utility model provides a flue gas emission monitoring device in the first aspect, which comprises: a shell, a filtering mechanism, a monitor and an air suction fan, wherein one end of the shell is provided with an air inlet, and the other end of the shell is arranged in an open structure; the filtering mechanism comprises a power assembly, a cleaning assembly and a filter screen assembly, wherein the power assembly is rotatably arranged on the outside of the shell; the filter screen assembly is arranged at one end of the shell, and the filter screen assembly is arranged opposite to the air inlet; the cleaning assembly is sleeved on the outside of the filter screen assembly, and the cleaning assembly is connected with the power assembly; the monitor and the air suction fan are arranged inside the shell respectively.

[0007] In addition, the flue gas emission monitoring device according to the utility model can have the following additional technical features:

[0008] Specifically, the power assembly comprises a cover and a fan, wherein the cover is sleeved on the outside of the shell, and the cover is rotatably connected with the shell; the fan is arranged on the outside of the cover.

[0009] Specifically, the cleaning assembly comprises a cover body and a plurality of cleaning strips, wherein the cover body is in a cylindrical structure, the cover body is connected with the outer wall of the cover shell, a plurality of first through grooves are formed in the outer wall of the cover body, and the plurality of cleaning strips are arranged in the cover body respectively.

[0010] Specifically, the filter screen assembly comprises a metal filter screen, a bottom plate and a connecting shaft, wherein the metal filter screen is in a tubular structure, one end of the metal filter screen is connected with the shell, the metal filter screen is sleeved outside the air inlet, the bottom plate is arranged at the other end of the metal filter screen, and the connecting shaft is rotatably arranged between the bottom plate and the cover body.

[0011] Specifically, the other end of the shell is provided with a flange plate, and a plurality of second through grooves are formed in the flange plate.

[0012] Specifically, the outer part of the shell is sleeved with a fixing ring, the outer wall of the fixing ring is provided with a plurality of connecting rods, the outer wall of the filtering mechanism is sleeved with a flow guide cover, and the connecting rods are connected with the flow guide cover.

[0013] Compared with the prior art, the flue gas emission monitoring device has the following beneficial effects: the filtering mechanism can realize self-cleaning, can reduce the maintenance frequency, and can ensure the accuracy of monitoring data.

[0014] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0016] Figure 1 It is an internal structure schematic view of the flue gas emission monitoring device according to one embodiment of the present application.

[0017] Figure 2 It is a cleaning assembly and metal filter screen sectional view structure schematic view of the flue gas emission monitoring device according to one embodiment of the present application.

[0018] Figure 3 It is a flange plate structure schematic view of the flue gas emission monitoring device according to one embodiment of the present application.

[0019] Figure 4 It is a flow guide cover and shell connecting structure schematic view of the flue gas emission monitoring device according to one embodiment of the present application.

[0020] Label: 1, shell; 11, air inlet; 2, filter mechanism; 21, power assembly; 211, cover; 212, fan; 22, cleaning assembly; 221, cover body; 222, first through slot; 223, cleaning strip; 23, filter screen assembly; 231, metal filter screen; 232, bottom plate; 233, connecting shaft; 3, monitor; 4, air suction fan; 5, flange plate; 51, second through slot; 61, fixing ring; 62, connecting rod; 63, flow guide cover. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0022] The flue gas emission monitoring device of the embodiments of the present application is described below with reference to the drawings.

[0023] As shown in the drawings, Figures 1-4 The flue gas emission monitoring device of the embodiments of the present application can include a shell 1, a filter mechanism 2, a monitor 3, and an air suction fan 4.

[0024] Among them, one end of the shell 1 is provided with an air inlet 11, and the other end of the shell 1 is arranged in an open structure.

[0025] The filter mechanism 2 includes a power assembly 21, a cleaning assembly 22, and a filter screen assembly 23, wherein the power assembly 21 is rotatably arranged on the outside of the shell 1, the filter screen assembly 23 is arranged at one end of the shell 1, the filter screen assembly 23 is arranged opposite to the air inlet 11, the cleaning assembly 22 is sleeved on the outside of the filter screen assembly 23, and the cleaning assembly 22 is connected with the power assembly 21.

[0026] The monitor 3 and the air suction fan 4 are arranged inside the shell 1, respectively.

[0027] It should be noted that the monitor 3 described in this embodiment includes a plurality of gas detection sensors (such as nitrogen oxides, carbon monoxide, sulfides, etc.) and a wireless data transmitter, etc., and the monitor 3 is connected with an external control device, and the external control device can analyze and warn the data.

[0028] In the above embodiment, the air suction fan 4 can be powered by external power supply, in addition, when the device is installed outdoors, the air suction fan 4 and the monitor 3 can be provided with the required electric energy by an external power supply device (such as a solar power supply device) during operation.

[0029] Specifically, the flue gas emission monitoring device is installed at the outlet of the flue gas pipeline, the suction fan 4 and the monitor 3 are operated, under the action of the suction fan 4, a negative pressure area is formed in the inside of the shell 1, and the external part of the flue gas is diverted to pass through the filtering mechanism 2 and enters the inside of the shell 1 through the air inlet 11.

[0030] When the external part of the flue gas is diverted to pass through the filtering mechanism 2, the remaining part of the flue gas drives the power assembly 21 to rotate, the power assembly 21 drives the cleaning assembly 22 to rotate, the cleaning assembly 22 cleans the surface of the filter screen assembly 23 in real time, solid particles in the flue gas are prevented from adhering to the outside of the filter screen assembly 23, the maintenance frequency can be reduced, and the accuracy of monitoring data can be ensured.

[0031] After part of the flue gas enters the inside of the shell 1, the monitor 3 can detect the flue gas in real time and transmit detection data to an external control device.

[0032] In an embodiment of the utility model, as shown in Figure 1 The power assembly 21 comprises a cover 211 and a fan 212.

[0033] The cover 211 is sleeved on the outside of the shell 1, the cover 211 is rotationally connected with the shell 1, and the fan 212 is arranged on the outside of the cover 211.

[0034] In an embodiment of the utility model, as shown in Figure 1 The cleaning assembly 22 comprises a cover 221 and a plurality of cleaning strips 223.

[0035] The cover 221 is in a cylindrical structure, the cover 221 is connected with the outer wall of the cover 211, a plurality of first through grooves 222 are formed in the outer wall of the cover 221, and the plurality of cleaning strips 223 are arranged in the inside of the cover 221.

[0036] In the above embodiment, the plurality of cleaning strips 223 are attached to the outer wall of the metal filter screen 231.

[0037] In an embodiment of the utility model, as shown in Figure 1 The filter screen assembly 23 comprises a metal filter screen 231, a bottom plate 232 and a connecting shaft 233.

[0038] The metal filter screen 231 is in a tubular structure, one end of the metal filter screen 231 is connected with the shell 1, the metal filter screen 231 is sleeved on the outside of the air inlet 11, the bottom plate 232 is arranged at the other end of the metal filter screen 231, and the connecting shaft 233 is rotationally arranged between the bottom plate 232 and the cover 221.

[0039] Specifically, under the action of the exhaust fan 4, part of the flue gas passes through the filter assembly 23 and enters the interior of the outer casing 1, while the other part of the flue gas continues to flow along the direction of the outer casing 1. The fan 212 starts to rotate after being disturbed by the flue gas, and the fan 212 drives the cover 211 to rotate, which in turn drives the cleaning assembly 22 to rotate.

[0040] The cover 221 rotates around the filter assembly 23. The edge of the first through groove 222 can scrape off some of the impurities attached to the filter assembly 23. The cleaning strip 223 can clean the impurities remaining on the filter assembly 23, thereby ensuring the air permeability of the filter assembly 23. The flue gas enters the interior of the outer casing 1 through the metal filter 231.

[0041] In the above embodiments, the base plate 232 and the connecting shaft 233 can support the metal filter screen 231, thereby ensuring the reliability of the filtration mechanism 2 during the monitoring process.

[0042] In one embodiment of this utility model, such as Figure 1 and Figure 3 As shown, a flange 5 is provided at the other end of the outer casing 1, and multiple second through grooves 51 are provided on the flange 5.

[0043] In the above embodiments, relevant technicians can use fasteners (e.g., bolts) to pass through the second through groove 51 and connect the device to the exhaust pipe through the flange 5. The second through groove 51 has a certain length, so it can be used for pipes of different diameters, thus expanding the applicability of the device.

[0044] In one embodiment of this utility model, such as Figure 4 As shown, a fixing ring 61 is fitted on the outside of the outer shell 1, and multiple connecting rods 62 are provided on the outer wall of the fixing ring 61. A flow guide 63 is fitted on the outer wall of the filter mechanism 2, and the connecting rods 62 are connected to the flow guide 63.

[0045] In the above embodiment, the flow guide 63 can collect the flue gas, accelerate the flow rate of the flue gas through the filter mechanism 2, and ensure that the flue gas can drive the power component 21 to rotate, so that the cleaning component 22 and the filter component 23 rotate relative to each other.

[0046] In summary, the flue gas emission monitoring device of this invention has a self-cleaning filtration mechanism, which not only reduces the maintenance frequency but also ensures the accuracy of the monitoring data.

[0047] In the description of the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0048] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0049] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and deform the above embodiments within the scope of the present application.

Claims

1. A flue gas emission monitoring device, characterized in that, include: The enclosure (1), filter mechanism (2), monitoring instrument (3), and exhaust fan (4) are as follows: One end of the outer shell (1) is provided with an air inlet (11), and the other end of the outer shell (1) is arranged in an open structure. The filtration mechanism (2) includes a power assembly (21), a cleaning assembly (22), and a filter assembly (23), wherein, The power assembly (21) is rotatably mounted on the outside of the housing (1); The filter assembly (23) is disposed at one end of the housing (1), and the filter assembly (23) is arranged opposite to the air inlet (11); The cleaning component (22) is sleeved on the outside of the filter assembly (23), and the cleaning component (22) is connected to the power assembly (21); The monitoring instrument (3) and the exhaust fan (4) are respectively installed inside the outer casing (1).

2. The flue gas emission monitoring device according to claim 1, characterized in that, The power assembly (21) includes a housing (211) and a fan (212), wherein, The cover (211) is fitted over the outside of the outer shell (1), and the cover (211) is rotatably connected to the outer shell (1); The fan (212) is located on the outside of the housing (211).

3. The flue gas emission monitoring device according to claim 2, characterized in that, The cleaning component (22) includes a cover (221) and multiple cleaning strips (223), wherein, The cover (221) has a cylindrical structure and is connected to the outer wall of the shell (211). Multiple first through grooves (222) are provided on the outer wall of the cover (221), and multiple cleaning strips (223) are respectively arranged inside the cover (221).

4. The flue gas emission monitoring device according to claim 3, characterized in that, The filter assembly (23) includes a metal filter (231), a base plate (232), and a connecting shaft (233), wherein, The metal filter (231) has a tubular structure, one end of the metal filter (231) is connected to the outer shell (1), and the metal filter (231) is sleeved on the outside of the air inlet (11); The base plate (232) is disposed at the other end of the metal filter (231); The connecting shaft (233) is rotatably disposed between the base plate (232) and the cover (221).

5. The flue gas emission monitoring device according to claim 1, characterized in that, The other end of the outer casing (1) is provided with a flange (5), and the flange (5) has a plurality of second through grooves (51).

6. The flue gas emission monitoring device according to claim 1, characterized in that, The outer shell (1) is fitted with a fixing ring (61), and the outer wall of the fixing ring (61) is provided with a plurality of connecting rods (62). The outer wall of the filter mechanism (2) is fitted with a flow guide (63), and the connecting rods (62) are connected to the flow guide (63).

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