Sectional type flue gas pollution collecting device

Abstract

The invention provides a sectionable flue gas pollution collection device, which comprises: a U-shaped frame provided with a delivery pipe, two ends of the delivery pipe respectively penetrating through two sides of the U-shaped frame; the two butt-joint pipes are correspondingly arranged on the two sides of the U-shaped frame respectively, one butt-joint pipe is provided with a connecting pipe, the U-shaped frame is provided with a collecting bottle, openings in the two ends of the collecting bottle are connected to the two butt-joint pipes respectively, and the two ends of the conveying pipe are connected with the two butt-joint pipes respectively; the switching unit comprises a plug and an adjusting block which are arranged on the butt-joint pipe, a limiting boss is arranged at the end, close to the plug, of the butt-joint pipe, a reset spring is connected between the limiting boss and the plug, a guide ball is arranged on the peripheral side of the adjusting block, a spiral guide groove is formed in the inner side of the butt-joint pipe, and the guide ball is clamped in the spiral guide groove. And the plug and the adjusting block are respectively provided with a first channel and a second channel. According to the scheme, operation is easy, and meanwhile the whole collecting device is simple in structure, low in manufacturing cost and convenient to maintain in the later period.

Description

Technical Field

[0001] The invention relates to the technical field of gas detection, and in particular to a segmentable flue gas pollution collection device. Background Art

[0002] In the detection environment, it is necessary to collect and sample flue gas and other gases. Generally, a collection tube will be inserted into the flue duct to extract the gas into a collection bottle. Then the gas in the collection bottle will be tested and analyzed. In the general sampling and testing process, due to the instability and unevenness of flue gas, the test results after a single sampling are not very accurate, and multiple collections are often performed.

[0003] In this regard, for example, Chinese patent "CN112577790B" discloses "a flue gas pollution collection device". When the collection device collects flue gas, an exhaust plate, a time delay relay, a slide rod, a rack, a threaded rod, a gear, a groove, an air bag, a condenser, a push rod, a hinge rod, a plug and a socket are set, and according to the principle of thermal expansion and contraction, the air bag is expanded, and the push rod moves under the interference between the air bag and the push rod, and then the slide rod is pushed to move through the cooperation between the hinge rod and the groove to drive the rack to move, and under the meshing action between the rack and the gear, the threaded rod rotates and drives the exhaust plate to move downward, thereby reducing the air pressure in the pressure change chamber, and the slide plate moves downward to indirectly adjust the air pressure in the collection chamber, thereby sucking the external smoke into the collection chamber to complete the collection of smoke. Although the above-mentioned collection device can complete the repeated collection of smoke through the suction drive mechanism, the structure of the suction drive mechanism and even the entire device is relatively complex, the initial manufacturing cost is high, and the subsequent maintenance is inconvenient, which makes the smoke collection operation cumbersome. Moreover, when the collection device is separated from the flue, the smoke is easy to overflow from the collection chamber, causing pollution to the surrounding environment. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a segmented flue gas pollution collection device, which solves the problems in the prior art that the collection device itself has a relatively complex structure, resulting in high initial manufacturing costs, inconvenient subsequent maintenance, and easy to cause secondary pollution.

[0005] According to an embodiment of the present invention, a segmentable flue gas pollution collection device comprises:

[0006] The U-shaped frame is provided with a conveying pipe, and the two ends of the conveying pipe respectively penetrate through the two sides of the U-shaped frame;

[0007] Butt joint pipes, two butt joint pipes are respectively arranged on both sides of the U-shaped frame, one pair of butt joint pipes is provided with a connecting pipe, the U-shaped frame is provided with a collecting bottle, both end openings of the collecting bottle are respectively connected to the two butt joint pipes, and both ends of the conveying pipe are respectively connected to the two butt joint pipes;

[0008] The switching unit includes a plug and an adjusting block provided on the docking pipe. A limiting boss is provided at one end of the docking pipe close to the plug. A return spring is connected between the limiting boss and the plug. Guide balls are provided on the circumferential side of the adjusting block. A spiral guide groove is formed on the inner side of the docking pipe. The guide balls are clamped in the spiral guide groove. The plug and the adjusting block are respectively provided with a first channel and a second channel;

[0009] Wherein, when the guide ball is located at the first end of the spiral guide groove, the plug corresponds to the conveying pipe and the first channel corresponds to the second channel, or when the guide ball is located at the second end of the spiral guide groove, the plug is misaligned with the conveying pipe and the first channel is misaligned with the second channel.

[0010] Preferably, the plug is provided with a clamping block, and a sliding groove is formed on the inner side of the docking pipe. The clamping block is slidably clamped in the sliding groove.

[0011] Preferably, an installation groove is formed at the end of the plug, and an installation ring is provided at the end of the adjusting block. The installation ring is rotatably arranged in the installation groove.

[0012] Preferably, the cross-sectional area of the second channel is smaller than that of the first channel.

[0013] Preferably, the collection bottle includes a fixing part and two telescopic parts located at both ends of the fixing part. The ends of the telescopic parts penetrate into the interior of the fixing part, and both telescopic parts are provided with bottle mouths. The two bottle mouths respectively penetrate through the two docking pipes and abut against the adjusting block.

[0014] Preferably, a pressure spring is sleeved on the telescopic part, and the pressure spring abuts against the end of the fixing part.

[0015] Preferably, a sealing strip is provided at the end of the telescopic part, and the sealing strip abuts against the inner side of the fixing part.

[0016] Preferably, it further includes a mounting plate, and a plurality of mounting holes for mounting the collection bottle are formed on the mounting plate.

[0017] Preferably, the mounting hole is provided with an internal thread, and the fixing part is provided with an external thread. The fixing part is connected through the external thread and the internal thread.

[0018] Preferably, two limiting blocks are correspondingly provided on the U-shaped frame, and the mounting plate is slidably clamped between the two limiting blocks.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] In this solution, with the cooperation of the U-shaped frame, the butt joints, the collecting bottle and the switching unit, when collecting the flue gas, the pipe connected to one of the butt joints is connected to the negative pressure device, the negative pressure device is connected to the flue, the connecting pipe of the other butt joint is installed on the processing equipment, the collecting bottle is installed between the two butt joints, so that the openings at both ends of the collecting bottle are respectively extended into the corresponding butt joints, and the guide ball of the regulating block is moved from the second end to the first end, during which the regulating block is rotated until the first channel corresponds to the second channel, and the delivery pipe is synchronously blocked by the movement of the plug, and the smoke in the flue passes through one pair of pipes, the collecting bottle, the other butt joint and the connecting pipe in turn, and the collecting bottle can collect the flowing smoke, and directly after the collection is completed Then take out the collecting bottle, and only conventional negative pressure equipment is needed to complete the collection of flue gas. After taking out the collecting bottle, the squeezing of the adjusting block can be released, and the adjusting block is reset by the pressure of the plug under the reset of the reset spring, so that the guide ball of the adjusting block moves from the first end to the second end, so that the first channel and the second channel are misaligned, and the plug and the delivery pipe are misaligned to open the delivery pipe, and the flue gas is discharged to the processing equipment through one pair of connecting pipes, another pair of connecting pipes of the delivery pipe and the connecting pipe. The operation is simple and will not cause leakage of flue gas. At the same time, the overall structure of the entire collection device is simple and the manufacturing cost is low. When replacing the collection bottle for collection, not only does it not need to repeatedly open and close the negative pressure equipment, but it is also convenient for later maintenance. In the collection of flue gas, the operation is simple and convenient, and the proficiency requirement is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention.

[0022] Figure 2 It is a schematic diagram of the planar structure of an embodiment of the present invention.

[0023] Figure 3 It is a schematic diagram of the cross-sectional structure of an embodiment of the present invention.

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the butt joint in an embodiment of the present invention.

[0025] Figure 5 It is a schematic diagram of the cross-sectional structure of the plug and the adjusting block in an embodiment of the present invention.

[0026] Figure 6 It is a schematic diagram of the structure after the plug and the adjustment block are misaligned in an embodiment of the present invention.

[0027] Figure 7 Schematic diagram of the internal structure of the butt joint in an embodiment of the present invention.

[0028] Figure 8 This is a schematic diagram of the structure in which the collecting bottle is installed on the mounting plate in an embodiment of the present invention.

[0029] Figure 9 This is a schematic cross-sectional structure diagram of the collection bottle in the embodiment of the present invention.

[0030] In the above-mentioned drawings: 1. U-shaped frame; 2. Docking pipe; 3. Connecting pipe; 4. Delivery pipe; 5. Collection bottle; 6. Limit block; 7. Mounting plate; 8. Guide ball; 9. Plug; 10. Adjusting block; 11. Return spring; 12. Spiral guide groove; 13. Clamping block; 14. First channel; 15. Second channel; 16. External thread; 17. Fixed part; 18. Telescopic part; 19. Pressure spring; 20. Sealing strip; 21. Bottle mouth; 22. Mounting hole; 23. Internal thread; 24. Limit boss; 25. Slide groove; 26. Mounting groove; 27. Mounting ring. Detailed implementation manners

[0031] The technical solutions in the present invention will be further described below with reference to the drawings and embodiments.

[0032] As Figures 1 to 7 shown, an embodiment of the present invention provides a segmented flue gas pollution collection device, including:

[0033] A U-shaped frame 1 is provided with a delivery pipe 4, and both ends of the delivery pipe 4 penetrate through both sides of the U-shaped frame 1 respectively;

[0034] Two docking pipes 2 are respectively arranged on both sides of the U-shaped frame 1. One of the docking pipes 2 is provided with a connecting pipe 3. The U-shaped frame 1 is provided with a collection bottle 5. The two open ends of the collection bottle 5 are respectively connected to the two docking pipes 2, and both ends of the delivery pipe 4 are respectively connected to the two docking pipes 2;

[0035] A switching unit includes a plug 9 and an adjusting block 10 arranged on the docking pipe 2. A limit boss 24 is arranged at one end of the docking pipe 2 close to the plug 9. A return spring 11 is connected between the limit boss 24 and the plug 9. Guide balls 8 are arranged on the periphery of the adjusting block 10. A spiral guide groove 12 is formed inside the docking pipe 2. The guide balls 8 are clamped in the spiral guide groove 12, and the plug 9 and the adjusting block 10 are respectively provided with a first channel 14 and a second channel 15;

[0036] Wherein, when the guide ball 8 is located at the first end of the spiral guide groove 12, the plug 9 corresponds to the delivery pipe 4 and the first channel 14 corresponds to the second channel 15, or when the guide ball 8 is located at the second end of the spiral guide groove 12, the plug 9 is misaligned with the delivery pipe 4 and the first channel 14 is misaligned with the second channel 15.

[0037] In an embodiment of the present invention, switching units are installed on both of the two docking pipes 2. The two docking pipes 2 are respectively installed on both sides of the U-shaped frame 1, and the axes of the two docking pipes 2 are on the same straight line. At the same time, a conveying pipe 4 is also provided on the U-shaped frame 1. The conveying pipe 4 connects the two docking pipes 2. The collection bottle 5 can be an elastic container, such as a plastic bottle. Both ends of the collection bottle 5 have openings that protrude along the axis direction of the collection bottle 5. The protruding openings of the collection bottle 5 can be respectively installed in the corresponding two docking pipes 2. When the collection bottle 5 is installed between the two docking pipes 2, one pair of connecting pipes 2, the collection bottle 5, the other docking pipe 2 and the connecting pipe 3 form a flue gas collection path, and one pair of connecting pipes 2, the conveying pipe 4, the other docking pipe 2 and the connecting pipe 3 form a flue gas treatment channel.

[0038] Connect the pipe connected to one of the docking pipes 2 to a negative pressure device, and the negative pressure device is connected to the flue. The connecting pipe 3 of the other docking pipe 2 is installed on the processing device. In the initial state, that is, when the collection bottle 5 is not installed, the adjusting block 10 in the switching unit is at the port of the docking pipe 2, that is, the end of the docking pipe 2 close to the U-shaped frame 1. At this time, the guiding ball 8 of the adjusting block 10 is located at the second end of the spiral guiding groove 12. The spiral guiding groove 12 is spiral. The second end is close to the port of the docking pipe 2, and the first end is far from the port of the docking pipe 2. Since the plug 9 is connected by the return spring 11 and will not rotate, that is, the first channel 14 is always on the same horizontal line, and the second channel 15 in the initial state is misaligned with the first channel 14, and the first channel 14 and the second channel 15 are in a non-connected state, and the plug 9 is misaligned with the conveying pipe 4, that is, the plug 9 moves towards the port direction of the docking pipe 2 under the extrusion of the return spring 11, opening the opening of the conveying pipe 4. Therefore, when the negative pressure device is turned on, the entire collection device is in the flue gas treatment channel. The flue gas passes through the negative pressure device through one pair of connecting pipes 2, the conveying pipe 4, the other docking pipe 2 and the connecting pipe 3, and finally is discharged to the processing device through the connecting pipe 3. The treatment method can be a drug pool, and the treated flue gas is directly discharged to avoid affecting the surrounding environment.

[0039] When collecting flue gas, place the collection bottle 5 inside the U-shaped frame 1, and install both ends of the collection bottle 5 between two docking pipes 2 respectively, so that the adjustment block 10 at the port of the docking pipe 2 is axially displaced due to the extrusion of the opening of the collection bottle 5. However, since the adjustment block 10 is limited by the guiding ball 8, when the adjustment block 10 is extruded, it rotates under the action of the guiding ball 8 and undergoes displacement until the guiding ball 8 of the adjustment block 10 moves to the first end of the spiral guiding groove 12. At this time, the second channel 15 of the adjustment block 10 just aligns with the first channel 14 of the plug 9, and the plug 9 is extruded by the adjustment block 10 and moves to the mouth of the conveying pipe 4 to block the conveying pipe 4, making the entire collection device in the flue gas collection path. The flue gas passes through one of the connecting pipes 2, the collection bottle 5, the other connecting pipe 2 and the connecting pipe 3 through the negative pressure device. The flue gas still enters the treatment equipment for purification treatment, but the collection bottle 5 will continuously pass through the flue gas. The collection bottle 5 can be disassembled according to the flue gas emission time and the flue collection position.

[0040] When it is necessary to obtain the flue gas in the collection bottle 5, the collection bottle 5 can be directly disassembled, so that the collection bottle 5 is taken out between the two docking pipes 2, and the two ends of the collection bottle 5 are sealed by the bottle caps installed at the openings of the collection bottle 5 to obtain the collected gas. When the collection bottle 5 is separated from the docking pipe 2, under the action of the return spring 11, the adjustment block 10 is pressured by the plug 9 to return to its original position, so that the guiding ball 8 of the adjustment block 10 moves from the first end to the second end, causing the first channel 14 to be misaligned with the second channel 15, and the plug 9 to be misaligned with the conveying pipe 4 to open the conveying pipe 4. The flue gas is discharged to the treatment equipment through one of the connecting pipes 2, the conveying pipe 4, the other connecting pipe 2 and the connecting pipe 3. There is no need to open or close the negative pressure equipment. Just install the collection bottle 5 again. After installation, the flue gas collection path is automatically opened and the flue gas treatment channel is closed. After replacing the collection bottle 5, different flue gases can be intercepted according to time and position to achieve segmented flue gas collection. It is suitable for environmental monitoring tasks that require collecting flue gas samples at different times and positions. Through segmented collection, the emission law of flue gas pollutants can be accurately obtained, providing data support for treatment.

[0041] Specifically, as Figure 5 shown in Figure 7 the figure, the plug 9 is provided with a clamping block 13, and a sliding groove 25 is opened on the inner side of the docking pipe 2. The clamping block 13 is slidably clamped in the sliding groove 25. In order to keep the position of the first channel 14, the plug 9 needs to remain in place. The end of the return spring 11 is fixedly installed at the end of the plug 9. In order to increase the stability of the limit on the plug 9, the movement trajectory of the plug 9 is restricted by the clamping block 13 and the sliding groove 25, so that the plug 9 can only move along the length direction of the sliding groove 25 and cannot rotate, thus ensuring the stability of the position of the first channel 14, and facilitating the adjustment of the second channel 15 so that the second channel 15 corresponds to the first channel 14 or the two are misaligned.

[0042] Specifically, as Figure 6 shown, an installation groove 26 is provided at the end of the plug 9, and an installation ring 27 is provided at the end of the adjusting block 10. The installation ring 27 is rotatably arranged in the installation groove 26. When disassembling the collection bottle 5, since the return spring 11 has a certain elasticity, in order to ensure the stability of the installation of the adjusting block 10, the plug 9 is rotatably arranged in the installation groove 26 through the installation ring 27. The displacement distance of the plug 9 is limited by the return spring 11 and the clamping block 13. After being limited, the adjusting block 10 can still rotate under the cooperation of the installation ring 27 and the installation groove 26, and can move along with the plug 9, avoiding the adjusting block 10 from popping out of the docking pipe 2 due to the elastic force.

[0043] Specifically, as Figure 5 and Figure 6 shown, the cross-sectional area of the second channel 15 is smaller than that of the first channel 14. When processing the first channel 14 and the second channel 15, based on the cross-sectional area of the first channel 14, the cross-sectional area of the first channel 14 is A. Taking the midline of the plug 9 as the reference to draw a line, the diameter d of the first channel 14 is made, and d is smaller than the length of the midline of the plug 9. A circle is drawn according to the midpoint of the diameter d, and a complete semi-circular space is taken, which is the cross-sectional area A of the first channel 14. The cross-sectional area of the second channel 15 is B. Similarly, taking the midline of the plug 9 as the reference, an auxiliary line is drawn downward parallel to the reference line, and the distance between the auxiliary line and the midline > 0. A circle is drawn according to the midpoint of the diameter d of the first channel 14, and a sector area intersecting with the auxiliary line is taken, which is the cross-sectional area B of the second channel 15. B < A. When the first channel 14 and the second channel 15 correspond, the two are connected. When the adjusting block 10 rotates to drive the second channel 15 to separate from the first channel 14, the second channel 15 can be blocked by the closed area of the plug 9, ensuring the sealing performance and preventing the flue gas from leaking from the docking pipe 2.

[0044] As Figure 9 shown, the collection bottle 5 includes a fixed part 17 and two telescopic parts 18 located at both ends of the fixed part 17. The ends of the telescopic parts 18 penetrate into the interior of the fixed part 17, and both telescopic parts 18 are provided with bottle mouths 21. The two bottle mouths 21 respectively penetrate through the two docking pipes 2 and abut against the adjusting block 10. In order to make the collection bottle 5 more convenient to use, the collection bottle 5 has a fixed part 17 and telescopic parts 18 at both ends. On the premise that the fixed part 17 is fixed, the telescopic parts 18 can move within the fixed part 17 to increase or decrease the overall length of the collection bottle 5, and it is more convenient to install the bottle mouths 21 of the telescopic parts 18 into the interior of the docking pipe 2 to squeeze against the adjusting block 10. At the same time, the telescopic parts 18 and the fixed part 17 have a certain friction to overcome the pressure of the return spring 11.

[0045] Secondly, a compression spring 19 is sleeved on the telescopic part 18. The compression spring 19 abuts against the end of the fixed part 17. To ensure that the bottle mouth 21 of the collection bottle 5 can directly press the adjustment block 10, the compression spring 19 can apply an outward force to the telescopic part 18. When the collection bottle 5 is installed between the two docking pipes 2, the elastic force of the compression spring 19 is greater than that of the return spring 11.

[0046] Meanwhile, a sealing strip 20 is provided at the end of the telescopic part 18. The sealing strip 20 abuts against the inner side of the fixed part 17. Under the action of the sealing strip 20, the overall sealing performance of the collection bottle 5 is enhanced, facilitating the collection of flue gas without leakage for subsequent detection. Moreover, after the collection bottle 5 is disassembled, to prevent flue gas leakage during disassembly, a rubber layer with a slit can be installed inside the bottle mouth 21. The rubber layer automatically closes after the collection bottle 5 is taken out, and finally, a lid can be placed on the bottle mouth 21.

[0047] Specifically, as Figure 8 shown, it further includes a mounting plate 7. The mounting plate 7 is provided with a plurality of mounting holes 22 for mounting the collection bottle 5. Under the action of the mounting plate 7, each collection bottle 5 can be mounted on each mounting hole 22 of the mounting plate 7. The bottle mouth 21 of the collection bottle 5 in the collection state is located in the docking pipe 2, while the bottle mouth 21 of the uncollected collection bottle 5 abuts against the inner side of the U-shaped frame 1. After the first collection bottle 5 is fully collected, the bottle mouth 21 of the first collection bottle 5 can be separated from the docking pipe 2 and the mounting plate 7 can be lifted upward. When the bottle mouth 21 of the second collection bottle 5 is just aligned with the docking pipe 2, the bottle mouth 21 can be installed into the docking pipe 2 under the action of the compression spring 19 for collection. By repeating the operation, segmented collection can be carried out according to the flue gas emission time and the flue gas collection location.

[0048] Secondly, an internal thread 23 is provided in the mounting hole 22, and an external thread 16 is provided on the fixed part 17. The fixed part 17 is connected to the internal thread 23 through the external thread 16. With the cooperation of the internal thread 23 and the external thread 16, the collection bottle 5 can be fixedly installed on the mounting plate 7, which not only ensures its stability but also facilitates its disassembly in the later stage.

[0049] Furthermore, as Figure 1 shown, two limit blocks 6 are correspondingly provided on the U-shaped frame 1. The mounting plate 7 is slidably clamped between the two limit blocks 6, which limits the movement track of the mounting plate 7 to ensure that the bottle mouths 21 of the collection bottles 5 mounted on the mounting plate 7 are always vertically aligned with the docking pipes 2.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A segmented flue gas pollution collection device, characterized in that Comprising: A U-shaped frame (1) is provided with a conveying pipe (4), and both ends of the conveying pipe (4) respectively penetrate through both sides of the U-shaped frame (1); Docking pipes (2), two of the docking pipes (2) are respectively arranged on both sides of the U-shaped frame (1), one of the docking pipes (2) is provided with a connecting pipe (3), the U-shaped frame (1) is provided with a collection bottle (5), and both ends of the collection bottle (5) with openings are respectively connected to the two docking pipes (2), and both ends of the conveying pipe (4) are respectively connected to the two docking pipes (2); A switching unit, including a plug (9) and an adjusting block (10) arranged on the docking pipe (2), a limiting boss (24) is arranged at one end of the docking pipe (2) close to the plug (9), a return spring (11) is connected between the limiting boss (24) and the plug (9), a guiding ball (8) is arranged on the periphery of the adjusting block (10), a spiral guiding groove (12) is opened on the inner side of the docking pipe (2), the guiding ball (8) is clamped in the spiral guiding groove (12), and the plug (9) and the adjusting block (10) are respectively provided with a first channel (14) and a second channel (15); Wherein, when the guiding ball (8) is located at the first end of the spiral guiding groove (12), the plug (9) corresponds to the conveying pipe (4) and the first channel (14) corresponds to the second channel (15), or when the guiding ball (8) is located at the second end of the spiral guiding groove (12), the plug (9) is misaligned with the conveying pipe (4) and the first channel (14) is misaligned with the second channel (15).

2. The segmented flue gas pollution collection device according to claim 1, characterized in that, The plug (9) is provided with a clamping block (13), a sliding groove (25) is opened on the inner side of the docking pipe (2), and the clamping block (13) is slidably clamped in the sliding groove (25).

3. The segmented flue gas pollution collection device according to claim 1, wherein An installation groove (26) is opened at the end of the plug (9), an installation ring (27) is arranged at the end of the adjusting block (10), and the installation ring (27) is rotatably arranged in the installation groove (26).

4. A segmented flue gas pollution collection device according to claim 1, characterized in that, The cross-sectional area of the second channel (15) is smaller than that of the first channel (14).

5. A segmented flue gas pollution collection device according to claim 1, characterized in that, The collection bottle (5) includes a fixed part (17) and two telescopic parts (18) located at both ends of the fixed part (17), the ends of the telescopic parts (18) penetrate into the inside of the fixed part (17), and both of the telescopic parts (18) are provided with bottle mouths (21), and the two bottle mouths (21) respectively penetrate through the two docking pipes (2) and abut against the adjusting block (10).

6. The segmented flue gas pollution collection device according to claim 5, characterized in that, The telescopic part (18) is sleeved with a pressure spring (19), and the pressure spring (19) abuts against the end of the fixed part (17).

7. The segmented flue gas pollution collection device according to claim 5, characterized in that, A sealing strip (20) is arranged at the end of the telescopic part (18), and the sealing strip (20) abuts against the inner side of the fixed part (17).

8. A segmented flue gas pollution collection device according to claim 5, characterized in that, It further includes a mounting plate (7), and the mounting plate (7) is provided with a plurality of mounting holes (22) for mounting the collection bottle (5).

9. The segmented flue gas pollution collection device according to claim 8, characterized in that, The mounting hole (22) is provided with an internal thread (23), the fixing portion (17) is provided with an external thread (16), and the fixing portion (17) is connected to the internal thread (23) through the external thread (16).

10. A segmentable flue gas pollution collection device according to claim 8, characterized in that, Two limiting blocks (6) are correspondingly provided on the U-shaped frame (1), and the mounting plate (7) is slidably clamped between the two limiting blocks (6).

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