Boiler flue gas sampling device

Abstract

The utility model relates to the technical field of smoke sampling, and discloses a boiler smoke sampling device which comprises a boiler smoke exhaust pipe, a connecting mechanism, four walking mechanisms, a supporting plate, a sampling mechanism, a transverse moving mechanism and a second motor, the connecting mechanism is installed on the outer side of the boiler smoke exhaust pipe, and the four walking mechanisms are evenly distributed on the connecting mechanism. Second motors are installed on two of the four walking mechanisms, a supporting plate is fixed to the connecting mechanism, a sampling mechanism is installed on the supporting plate, a transverse moving mechanism used for driving the sampling mechanism to move is installed on the supporting plate, the connecting mechanism comprises two semicircular rings, pin shafts, bolts and nuts, the number of the semicircular rings is two, and the pin shafts are arranged on the two semicircular rings. One ends of the two semicircular rings are rotationally connected through a pin shaft, and the other ends of the two semicircular rings are fixedly connected through a bolt and a nut. The sampling device automatically climbs to the sampling port of the boiler smoke exhaust pipe for sampling, so that the labor is saved, and the safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas sampling, in particular to a boiler flue gas sampling device. Background Art

[0002] The flue gas discharged by the boiler contains pollutants. The environmental protection department needs to regularly sample and test the flue gas discharged by the boiler to determine whether the pollutants in the flue gas exceed the standard.

[0003] At present, when sampling boiler flue gas, people hold a sampling device and insert it into the sampling port of the boiler exhaust pipe to take samples. However, the sampling port of the boiler exhaust pipe is generally set relatively high, and people need to use a ladder to climb to the sampling port to take samples, which is troublesome and climbing too high is also dangerous. Therefore, in view of the above situation, there is an urgent need to develop a boiler flue gas sampling device that can automatically climb to the sampling port of the boiler exhaust pipe for sampling, save manpower, and is safer, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0004] The purpose of the utility model is to provide a boiler flue gas sampling device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A boiler flue gas sampling device comprises a boiler exhaust pipe, a connecting mechanism, a walking mechanism, a support plate, a sampling mechanism, a transverse movement mechanism and a second motor. The outer side of the boiler exhaust pipe is provided with a connecting mechanism, four walking mechanisms are evenly distributed on the connecting mechanism, two of the four walking mechanisms are provided with a second motor, a support plate is fixed on the connecting mechanism, a sampling mechanism is provided on the support plate, a transverse movement mechanism for driving the sampling mechanism to move is provided on the support plate, the connecting mechanism comprises: a semicircular ring, a pin, a bolt and a nut, the number of the semicircular rings is two, and the two One end of the semicircular ring is rotatably connected by a pin, and the other ends of the two semicircular rings are fixedly connected by bolts and nuts. The walking mechanism includes: a frame, a roller, an anti-slip sleeve, a tightening bolt, a guide rod and a spring. The roller is rotatably connected in the frame, and the outer side of the roller is installed with an anti-slip sleeve. The tightening bolt is installed on the semicircular ring, and the tightening bolt is facing the frame. Two guide rods passing through the semicircular ring are fixed on the frame, and the guide rods are slidably connected to the semicircular rings. A spring is installed on the outer side of each guide rod, one end of the spring is connected to the frame, and the other end of the spring is connected to the semicircular ring.

[0007] Preferably, two second motors are arranged in parallel, and the output shafts of the second motors are connected to the roller.

[0008] Preferably: the sampling mechanism includes: an air inlet, an air pump, a hose, an output pipe, a branch pipe, a sample storage bottle and a connecting pipe, the air pump is fixed on the support plate, the air pump is connected to the air inlet through a hose, the air pump is installed with an output pipe, the lower side of the output pipe is connected to a plurality of branches, a sample storage bottle is provided under each branch pipe, and each sample storage bottle is installed with a connecting pipe connected to the branch pipe.

[0009] Preferably, each of the connecting pipes is provided with a valve, and the connecting pipe is detachably connected to the branch pipe via a thread.

[0010] Preferably: the transverse movement mechanism includes: a first motor, a screw, a threaded sleeve, a limit rod and a bracket, the first motor is fixed on the support plate, the screw is rotatably connected to the support plate, the output shaft of the first motor is connected to the screw, a threaded sleeve is installed on the screw, a limit rod inserted into the support plate is fixed on the lower side of the threaded sleeve, a bracket is fixed on the upper side of the threaded sleeve, and the air inlet is fixed to the front end of the bracket.

[0011] Preferably, the limiting rod is slidably connected to the support plate, and the support plate is provided with a limiting sliding groove for the movement of the limiting rod.

[0012] Preferably, a mobile power supply is installed on the support plate, and a storage slot is provided on the support plate, wherein a wireless remote control is stored in the storage slot.

[0013] Preferably, the air pump, the first motor and the second motor are all wirelessly connected to a wireless remote controller.

[0014] The beneficial effect of the utility model is that when the boiler flue gas sampling device is used, the connecting mechanism is first installed to the outer side of the lower end of the boiler exhaust pipe, and then the four walking mechanisms are adjusted, and the frame is tightened by screwing the tightening bolts, so that the frame drives the roller and the anti-slip sleeve to be tightly attached to the outer wall of the boiler exhaust pipe. Then, a person takes out the wireless remote control for remote control operation, and the roller is driven to rotate by the second motor, and the connecting mechanism is driven to move up along the boiler exhaust pipe by the rotation of the roller, and the support plate, the sampling mechanism, and the transverse movement mechanism are driven up by the connecting mechanism, so that the air inlet moves to the sampling port, and then the threaded sleeve, the bracket and the air inlet are driven to move by the rotation of the lead screw, so that the air inlet passes through the sampling port and enters the boiler exhaust pipe, and then the vacuum pump is started, and the flue gas in the boiler exhaust pipe is collected and transported to multiple sample storage bottles for storage by the vacuum pump. After the sampling is completed, the connecting mechanism, the walking mechanism, the support plate, the sampling mechanism, and the transverse movement mechanism are moved down and retracted. In summary, the utility model automatically climbs to the sampling port of the boiler exhaust pipe to take samples, which saves manpower and is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 .

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 .

[0017] Figure 3 It is a top view of the utility model.

[0018] Figure 4 This is a partial structural diagram of the utility model Figure 1 .

[0019] Figure 5 For this utility model Figure 4 Partial view at point A in the middle.

[0020] Figure 6 For this utility model Figure 4 Schematic diagram of the open state.

[0021] Figure 7 This is a partial structural diagram of the utility model Figure 2 .

[0022] Figure 8 This is a partial structural diagram of the utility model Figure 3 .

[0023] Figure 9 This is a partial structural diagram of the utility model Figure 4 .

[0024] Legend:

[0025] 1. Boiler exhaust pipe; 101. Sampling port; 2. Connecting mechanism; 201. Semicircular ring; 202. Pin; 203. Bolt; 204. Nut; 3. Traveling mechanism; 301. Frame; 302. Roller; 303. Anti-slip sleeve; 304. Tightening bolt; 305. Guide rod; 306. Spring; 4. Support plate; 401. Limiting slide; 402. Storage tank; 5. Sampling mechanism; 501. Air inlet; 502. Air pump; 503. Hose; 504. Output pipe; 505. Branch pipe; 506. Sample bottle; 507. Connecting pipe; 5071. Valve; 6. Transverse movement mechanism; 601. First motor; 602. Screw; 603. Threaded sleeve; 604. Limiting rod; 605. Bracket; 7. Second motor; 8. Mobile power supply; 9. Wireless remote control. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0027] Specific examples are given below.

[0028] See also Figures 1 to 9 In an embodiment of the present utility model, a boiler flue gas sampling device includes a boiler exhaust pipe 1, a connecting mechanism 2, a walking mechanism 3, a support plate 4, a sampling mechanism 5, a transverse movement mechanism 6 and a second motor 7. A sampling port 101 is provided at the upper end of the boiler exhaust pipe 1, and a connecting mechanism 2 is installed on the outer side of the boiler exhaust pipe 1. Four walking mechanisms 3 are evenly distributed on the connecting mechanism 2. Two of the four walking mechanisms 3 are installed with second motors 7. The two second motors 7 are arranged in parallel. A support plate 4 is fixed to the connecting mechanism 2, and a sampling mechanism 5 is installed on the support plate 4. A transverse movement mechanism 6 for driving the sampling mechanism 5 to move is installed on the support plate 4. A mobile power supply 8 is installed on the support plate 4. A storage tank 402 is provided on the support plate 4. The storage tank 402 stores wireless remote control Device 9, when in use, first install the connecting mechanism 2 to the outer side of the lower end of the boiler exhaust pipe 1, then adjust the four walking mechanisms 3 so that they are tightly against the outer wall of the boiler exhaust pipe 1, then, take out the wireless remote control 9 for remote control operation, and drive the walking mechanism 3 to rotate through the second motor 7, so that the connecting mechanism 2 moves up along the boiler exhaust pipe 1, and drives the support plate 4, sampling mechanism 5, and transverse mechanism 6 to move up through the connecting mechanism 2, so that the sampling mechanism 5 moves to the sampling port 101, and then drives the front end of the sampling mechanism 5 through the sampling port 101 and into the boiler exhaust pipe 1 through the transverse mechanism 6. Finally, start the sampling mechanism 5 for sampling. After the sampling is completed, the connecting mechanism 2, walking mechanism 3, support plate 4, sampling mechanism 5, and transverse mechanism 6 are moved down and retracted.

[0029] The connecting mechanism 2 includes: a semicircular ring 201, a pin 202, a bolt 203 and a nut 204. There are two semicircular rings 201. One end of the two semicircular rings 201 is rotatably connected by the pin 202, and the other end of the two semicircular rings 201 is fixedly connected by a bolt 203 and a nut 204 so that the two semicircular rings 201 can be opened or closed and fixed.

[0030] The walking mechanism 3 includes: a frame 301, a roller 302, an anti-slip sleeve 303, a tightening bolt 304, a guide rod 305 and a spring 306. The roller 302 is rotatably connected to the frame 301, and the anti-slip sleeve 303 is installed on the outside of the roller 302. The anti-slip sleeve 303 has a certain elastic deformation ability. The tightening bolt 304 is installed on the semicircular ring 201, and the tightening bolt 304 is facing the frame 301 (not fixed together). Two guide rods 305 that pass through the semicircular ring 201 are fixed on the frame 301. The guide rods 305 slide with the semicircular ring 201. The outer side of each guide rod 305 is equipped with a spring 306, one end of the spring 306 is connected to the frame 301, and the other end of the spring 306 is connected to the semicircular ring 201. The output shaft of the second motor 7 is connected to the roller 302. When in use, the frame 301 is tightened by tightening the tightening bolt 304, so that the frame 301 drives the roller 302 and the anti-slip sleeve 303 to stick tightly to the outer wall of the boiler exhaust pipe 1. When in use, the roller 302 is driven to rotate by the second motor 7, and the rotation of the roller 302 drives the connecting mechanism 2 to move up and down.

[0031] The sampling mechanism 5 includes: an air inlet 501, an air pump 502, a hose 503, an output pipe 504, a branch pipe 505, a sample storage bottle 506 and a connecting pipe 507. The air pump 502 is fixed on the support plate 4. The air pump 502 is connected to the air inlet 501 through the hose 503. The air pump 502 is installed with an output pipe 504. The lower side of the output pipe 504 is connected to multiple branch pipes 505. A sample storage bottle 506 is provided under each branch pipe 505. Each sample storage bottle 506 is installed with a connecting pipe 507 connected to the branch pipe 505. Each connecting pipe 507 is installed with a valve 5071. The connecting pipe 507 is detachably connected to the branch pipe 505 through a thread.

[0032] The traverse mechanism 6 includes: a first motor 601, a lead screw 602, a threaded sleeve 603, a limit rod 604 and a bracket 605. The first motor 601 is fixed to the support plate 4, the lead screw 602 is rotatably connected to the support plate 4, the output shaft of the first motor 601 is connected to the lead screw 602, a threaded sleeve 603 is installed on the lead screw 602, a limit rod 604 inserted into the support plate 4 is fixed to the lower side of the threaded sleeve 603, the limit rod 604 is slidably connected to the support plate 4, and a limit slide 401 for moving the limit rod 604 is provided on the support plate 4. The threaded sleeve 603 is rotated by the limit rod 604 to move the limit rod 604. 03 is restricted in its movement so that it cannot rotate but can only move in a straight line. A bracket 605 is fixed on the upper side of the threaded sleeve 603, and the air inlet 501 is fixed to the front end of the bracket 605. When in use, the first motor 601 drives the screw 602 to rotate, and the screw 602 rotates to drive the threaded sleeve 603, the bracket 605 and the air inlet 501 to move, so that the air inlet 501 passes through the sampling port 101 and enters the boiler exhaust pipe 1. Then, the vacuum pump 502 is started, and the flue gas in the boiler exhaust pipe 1 is collected and transported to multiple sample storage bottles 506 for storage.

[0033] The air pump 502, the first motor 601 and the second motor 7 are all wirelessly connected to the wireless remote controller 9 for control purposes.

[0034] Working principle: When using the boiler flue gas sampling device, first install the connecting mechanism 2 to the outer side of the lower end of the boiler exhaust pipe 1, then adjust the four walking mechanisms 3, and tighten the frame 301 by screwing the tightening bolts 304, so that the frame 301 drives the roller 302 and the anti-slip sleeve 303 to stick tightly to the outer wall of the boiler exhaust pipe 1, then take out the wireless remote control 9 for remote control operation, and drive the roller 302 to rotate through the second motor 7, and the rotation of the roller 302 drives the connecting mechanism 2 to move up along the boiler exhaust pipe 1, and the supporting plate 4 is driven by the connecting mechanism 2. , the sampling mechanism 5, and the transverse movement mechanism 6 move up, so that the air inlet 501 moves to the sampling port 101, and then, the screw 602 rotates to drive the threaded sleeve 603, the bracket 605 and the air inlet 501 to move, so that the air inlet 501 passes through the sampling port 101 and enters the boiler exhaust pipe 1, and then, the vacuum pump 502 is started, and the flue gas in the boiler exhaust pipe 1 is collected and transported to multiple sample storage bottles 506 for storage through the vacuum pump 502. After the sampling is completed, the connecting mechanism 2, the walking mechanism 3, the support plate 4, the sampling mechanism 5, and the transverse movement mechanism 6 are moved down and retracted.

[0035] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept 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. A boiler flue gas sampling device, characterized in that: The invention comprises a boiler smoke exhaust pipe (1), a connecting mechanism (2), a walking mechanism (3), a support plate (4), a sampling mechanism (5), a transverse movement mechanism (6) and a second motor (7), wherein the outer side of the boiler smoke exhaust pipe (1) is provided with a connecting mechanism (2), four walking mechanisms (3) are evenly distributed on the connecting mechanism (2), two of the four walking mechanisms (3) are provided with a second motor (7), a supporting plate (4) is fixed on the connecting mechanism (2), a sampling mechanism (5) is provided on the supporting plate (4), and a transverse movement mechanism (6) for driving the sampling mechanism (5) to move is provided on the supporting plate (4), and the connecting mechanism (2) comprises: a semicircular ring (201), a pin (202), a bolt (203) and a nut (204), wherein the number of the semicircular rings (201) is two, one end of the two semicircular rings (201) is rotatably connected by the pin (202), and the two semicircular rings (201) are provided with a screw thread. ) is fixedly connected by a bolt (203) and a nut (204), and the walking mechanism (3) comprises: a frame (301), a roller (302), an anti-slip sleeve (303), a tightening bolt (304), a guide rod (305) and a spring (306), wherein the frame (301) is rotatably connected with the roller (302), the outer side of the roller (302) is installed with an anti-slip sleeve (303), and the tightening bolt (304) is installed on the semicircular ring (201). ), the tightening bolt (304) is facing the frame (301), and two guide rods (305) passing through the semicircular ring (201) are fixed on the frame (301), and the guide rods (305) are slidably connected to the semicircular ring (201). A spring (306) is installed on the outer side of each guide rod (305), one end of the spring (306) is connected to the frame (301), and the other end of the spring (306) is connected to the semicircular ring (201).

2. The boiler flue gas sampling device according to claim 1, characterized in that: The two second motors (7) are arranged in parallel, and the output shafts of the second motors (7) are connected to the roller (302).

3. The boiler flue gas sampling device according to claim 1, characterized in that: The sampling mechanism (5) includes: an air inlet (501), an air pump (502), a hose (503), an output pipe (504), a branch pipe (505), a sample storage bottle (506) and a connecting pipe (507). The air pump (502) is fixed on the support plate (4). The air pump (502) is connected to the air inlet (501) through the hose (503). The air pump (502) is equipped with an output pipe (504). The lower side of the output pipe (504) is connected to a plurality of branch pipes (505). A sample storage bottle (506) is provided below each branch pipe (505). Each sample storage bottle (506) is equipped with a connecting pipe (507) connected to the branch pipe (505).

4. The boiler flue gas sampling device according to claim 3, characterized in that: Each of the connecting pipes (507) is provided with a valve (5071), and the connecting pipes (507) are detachably connected to the branch pipes (505) via threads.

5. The boiler flue gas sampling device according to claim 3, characterized in that: The transverse movement mechanism (6) comprises: a first motor (601), a lead screw (602), a threaded sleeve (603), a limiting rod (604) and a bracket (605); the first motor (601) is fixed on the support plate (4); the lead screw (602) is rotatably connected to the support plate (4); the output shaft of the first motor (601) is connected to the lead screw (602); a threaded sleeve (603) is installed on the lead screw (602); a limiting rod (604) inserted into the support plate (4) is fixed on the lower side of the threaded sleeve (603); a bracket (605) is fixed on the upper side of the threaded sleeve (603); and the air inlet (501) is fixed to the front end of the bracket (605).

6. The boiler flue gas sampling device according to claim 5, characterized in that: The limiting rod (604) is slidably connected to the support plate (4), and a limiting sliding groove (401) for the movement of the limiting rod (604) is provided on the support plate (4).

7. The boiler flue gas sampling device according to claim 5, characterized in that: A mobile power source (8) is installed on the support plate (4), and a storage slot (402) is provided on the support plate (4), wherein a wireless remote controller (9) is stored in the storage slot (402).

8. The boiler flue gas sampling device according to claim 7, characterized in that: The air pump (502), the first motor (601) and the second motor (7) are all wirelessly connected to a wireless remote controller (9).

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