CN212275366U - Power station boiler afterbody flue gas sampling pipe device - Google Patents
Power station boiler afterbody flue gas sampling pipe device Download PDFInfo
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- CN212275366U CN212275366U CN202020726635.0U CN202020726635U CN212275366U CN 212275366 U CN212275366 U CN 212275366U CN 202020726635 U CN202020726635 U CN 202020726635U CN 212275366 U CN212275366 U CN 212275366U
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Abstract
The utility model discloses a power station boiler afterbody flue gas sampling pipe device, including processing box and the collection pipe that communicates with processing box, be provided with constant velocity vacuum pump, silica gel box and inserted net board in the processing box, the silica gel box sets up between constant velocity vacuum pump and inserted net board, processing box upper end is provided with the outlet pipe that communicates with constant velocity vacuum pump outlet end, processing box one side is provided with the silica gel grain inlet that communicates with the silica gel box, inserted net board one end runs through processing box lateral wall, the cover is equipped with the filtration sack on the inserted net board, processing box one side is provided with the switch of being connected with constant velocity vacuum pump electricity, even at least one outer smoke inlet hole on the collection pipe; the utility model discloses a power plant boiler afterbody flue gas sampling pipe device adjusts the collection control tube through adjusting device for the outer smoke inlet of the different degree of depth hole gathers the flue gas, reaches and gathers the flue gas simple structure convenient to carry on one pipe more reliably, and gathers sampling hole.
Description
Technical Field
The utility model belongs to the technical field of the flue gas sampling, concretely relates to power plant boiler afterbody flue gas sampling pipe device.
Background
The sampling of the tail flue gas of the power station boiler is to determine whether the flue gas emission reaches the environmental protection standard, but the sampling of the tail flue gas of the power station boiler has various problems, and through the development of the whole year, the sampling accuracy and convenience are greatly improved, but because various parameters of the tail flue gas of the power station boiler are crucial to the evaluation of the safety, the economy and even the service life of the tail flue gas of the power station boiler, how to acquire the required flue gas more accurately, more economically and more conveniently has important practical significance. At present, the tail flue gas sampling of a power station boiler has the following two main problems: the first sampling device has short service life, the accuracy of the sampled product is not high, the most common method at present is to directly connect a flue gas analysis device through a pipeline or add a dust removal and dehumidification device in front of the flue gas analysis device, the former is inaccurate in sampling, and the flue gas analysis device is seriously damaged due to the abrasion of smoke dust and the corrosion of water vapor, so that the service life of the flue gas analysis device is greatly shortened, and the latter is complex and heavy and has high operation difficulty; in consideration of the second environmental protection, most power plants adopt a hearth micro-negative pressure operation mode, when reaching the tail part of a hearth, the negative pressure is large and even reaches-5000 Pa, a flue gas analysis device adopted by the traditional sampling has limited suction, flue gas cannot be extracted after desulfurization and denitration is carried out on the inlet of an induced draft fan and dust removal and dehumidification of measurement equipment, and the test cannot be carried out. There is an urgent need in the market today for a more accurate, more efficient, simpler, more reliable, more durable device to address both of these problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a power plant boiler afterbody flue gas sampling pipe device is provided, adjust the collection control pipe through adjusting device for the flue gas is gathered in the outer smoke inlet hole of the different degree of depth, reaches to gather the flue gas simple and reliable more, and gathers its simple structure convenient to carry on a pipe to the sampling hole.
A power station boiler tail flue gas sampling pipe device comprises a processing box and a collecting pipe communicated with the processing box, wherein a constant-speed vacuum pump, a silica gel box and a mesh inserting plate are arranged in the processing box, the silica gel box is arranged between the constant-speed vacuum pump and the mesh inserting plate, an outlet pipe communicated with a gas outlet end of the constant-speed vacuum pump is arranged at the upper end of the processing box, a silica gel particle inlet communicated with the silica gel box is arranged at one side of the processing box, one end of the mesh inserting plate penetrates through the side wall of the processing box, a filtering cloth bag is sleeved on the mesh inserting plate, a switch electrically connected with the constant-speed vacuum pump is arranged at one side of the processing box, and at least one outer smoke inlet hole is uniformly formed in; an acquisition control device is arranged in the processing box, and an acquisition end of the acquisition control device is arranged in the acquisition pipe.
Furthermore, the acquisition control device comprises an acquisition control tube, an adjusting device and a fixed ferrule, an inner smoke inlet hole matched with the outer smoke inlet hole is arranged on the acquisition control tube in a staggered mode, an upper bearing and a lower bearing are respectively sleeved at two ends of the acquisition control tube, one end of the acquisition control tube is fixed in the acquisition tube through the lower bearing, the upper bearing is arranged in the fixed ferrule, and the fixed ferrule is fixed in the processing box; the adjusting device comprises an upper rotating plate, an adjusting rod and a helical gear, wherein the upper rotating plate is fixed at one end of the acquisition control tube, an L-shaped fixing block is fixed on one side of the fixing ferrule, one end of the adjusting rod penetrates through the side wall of the processing box and one end of the L-shaped fixing block and is connected with the helical gear, and a helical gear ring meshed with the helical gear is arranged on one side of the upper rotating plate.
Furthermore, a positioning groove is arranged on the fixed sleeve ring, and a bull-eye bead corresponding to the inner smoke inlet is arranged on the upper rotating plate.
Furthermore, a steel sheet is arranged in the positioning groove.
Further, the collection control pipe is sleeved with a plurality of sealing rings, and the sealing rings are arranged between the adjacent inner smoke inlet holes.
Furthermore, one side of the processing box is provided with a connecting port.
Further, the power connection interface is a USB charging interface; the processing box is internally provided with a storage battery which is electrically connected with the USB charging interface and the constant-speed vacuum pump.
Has the advantages that:
(1) the utility model discloses a power plant boiler afterbody flue gas sampling pipe device adjusts the collection control tube through adjusting device for the outer smoke inlet of the different degree of depth hole gathers the flue gas, reaches and gathers the flue gas simple structure convenient to carry on one pipe more reliably, and gathers sampling hole.
(2) The utility model discloses a power plant boiler afterbody flue gas sampling pipe device its structure is light simple, through set up filtration sack and silica gel box in the processing box, reaches and prevents steam and smoke dust to get into the flue gas analysis device, has just prolonged the life of flue gas analysis device while guaranteeing the accuracy of measurement; the constant-speed vacuum pump is used for controlling the collected smoke speed, the sampling accuracy is guaranteed, the rotating speed of the vacuum pump can be controlled to increase the output power when the area with the large smoke negative pressure at the tail of the boiler is sampled, and the phenomenon that smoke cannot be drawn out is avoided.
Drawings
FIG. 1 is a schematic structural view of a flue gas sampling pipe device;
FIG. 2 is a schematic structural view of an acquisition control tube;
FIG. 3 is an enlarged view of station A of FIG. 1;
1-processing box, 2-collecting tube, 3-constant speed vacuum pump, 4-silica gel box, 5-screen inserting plate, 6-collecting control tube, 7-adjusting device, 71-upper rotating plate, 72-bevel gear ring, 73-adjusting rod, 74-bevel gear, 75-L type fixed block, 76-steel sheet, 77-positioning groove, 78-bullseye, 8-outer smoke inlet, 9-silica gel particle inlet, 10-switch, 11-charging port, 12-leading-out tube, 13-fixed ferrule, 14-upper bearing, 15-inner smoke inlet, 16-lower bearing and 17-sealing ring.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example 1
As shown in fig. 1-3; a power station boiler tail flue gas sampling pipe device comprises a processing box 1 and a collecting pipe 2 communicated with the processing box 1, wherein a constant-speed vacuum pump 3, a silica gel box 4 and a mesh inserting plate 5 are arranged in the processing box 1, the silica gel box 4 is arranged between the constant-speed vacuum pump 3 and the mesh inserting plate 5, an outlet pipe 12 communicated with an air outlet end of the constant-speed vacuum pump 3 is arranged at the upper end of the processing box 1, a silica gel particle inlet 9 communicated with the silica gel box 4 is arranged at one side of the processing box 1, one end of the mesh inserting plate 5 penetrates through the side wall of the processing box 1, a filtering cloth bag is sleeved on the mesh inserting plate 5, a switch 10 electrically connected with the constant-speed vacuum pump 3 is arranged at one side of the processing box 1, and at least one outer smoke inlet 8 is uniformly formed in the; an acquisition control device is arranged in the processing box 1, and an acquisition end of the acquisition control device is arranged in the acquisition pipe 2; the collecting control device comprises a collecting control tube 6, an adjusting device 7 and a fixed ferrule 13, wherein an inner smoke inlet 15 matched with an outer smoke inlet 8 is arranged on the collecting control tube 6 in a staggered mode, an upper bearing 14 and a lower bearing 16 are respectively sleeved at two ends of the collecting control tube 6, one end of the collecting control tube 6 is fixed in the collecting tube 2 through the lower bearing 16, the upper bearing 14 is arranged in the fixed ferrule 13, and the fixed ferrule 13 is fixed in the processing box 1; the adjusting device 7 comprises an upper rotating plate 71, an adjusting rod 73 and a bevel gear 74, the upper rotating plate 71 is fixed at one end of the acquisition control tube 6, an L-shaped fixed block 75 is fixed at one side of the fixed ferrule 13, one end of the adjusting rod 73 penetrates through the side wall of the processing box 1 and one end of the L-shaped fixed block 75 to be connected with the bevel gear 74, and a bevel gear ring 72 meshed with the bevel gear 74 is arranged at one side of the upper rotating plate 71; a positioning groove 77 is arranged on the fixed ferrule 13, and a bullseye 78 corresponding to the inner smoke inlet 15 is arranged on the upper rotating plate 71; a steel sheet 76 is arranged in the positioning groove 77; the acquisition control pipe 6 is sleeved with a plurality of sealing rings 17, and the sealing rings 17 are arranged between the adjacent inner smoke inlet holes 15; one side of the processing box 1 is provided with a power connection port 11; the power connection port 11 is a USB charging port; a storage battery is arranged in the processing box 1 and is electrically connected with a USB charging interface and a constant-speed vacuum pump 3.
The constant-speed vacuum pump 3 is started to enable the processing box 1 to generate negative pressure, meanwhile, the constant-speed vacuum pump 3 guides the smoke out to a smoke analysis device through the outlet pipe 12, after the negative pressure is generated in the processing box 1, the smoke enters the collecting pipe 2 through the outer smoke inlet 8, the smoke enters the processing box 1 through the collecting pipe 2, the smoke filters out water vapor and smoke dust in the smoke through the filtering cloth bag sleeved on the inserting net plate 5 and the silica gel box 4, silica gel particles in the silica gel box 4 are replaced through the silica gel particle adding port 9, the storage battery is charged through the USB charging port, and 5 smoke sampling pipe devices can collect smoke in different areas through at least one outer smoke inlet 8 uniformly arranged on the collecting pipe 2; through rotating the adjusting rod 73, the adjusting rod 73 drives the helical gear 74 to rotate, the helical gear 74 drives the helical gear ring 72 meshed with the helical gear ring to rotate, the helical gear ring 72 drives the upper rotating plate 71 to rotate, the upper rotating plate 71 drives the acquisition control tube 6 to rotate, and the acquisition control tube 6 can enable the inner smoke inlet 15 and the outer smoke inlet 8 which are staggered in different positions to be matched and communicated when rotating, so that smoke in different positions enters the processing box 1 through the acquisition control tube 6, and the smoke in different areas is detected; the inner smoke inlet holes 15 at different positions are determined by matching the bull's eye beads 78 with the positioning grooves 77, so that the inner smoke inlet holes 15 are more accurately communicated with the corresponding outer smoke inlet holes 8 after rotation; through setting up steel sheet 76 in constant head tank 77 for behind the bullseye 78 got into constant head tank 77, the steel ball of its bullseye 78 head can directly strike and take place the impact sound on steel sheet 76, makes and adjusts back operating personnel and can confirm rotational position more easily, through establish sealing washer 17 on the collection control tube 6 between the cigarette hole 15 is advanced in adjacent, can make the flue gas can not get into in handling the box 1 through the clearance between gathering pipe 2 and the collection control tube 6.
The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above detailed description. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (7)
1. The utility model provides a power plant boiler afterbody flue gas sampling pipe device which characterized in that: the device comprises a processing box (1) and an acquisition pipe (2) communicated with the processing box (1), wherein a constant-speed vacuum pump (3), a silica gel box (4) and a screen inserting plate (5) are arranged in the processing box (1), the silica gel box (4) is arranged between the constant-speed vacuum pump (3) and the screen inserting plate (5), an outlet pipe (12) communicated with the air outlet end of the constant-speed vacuum pump (3) is arranged at the upper end of the processing box (1), a silica gel particle inlet (9) communicated with the silica gel box (4) is arranged at one side of the processing box (1), one end of the screen inserting plate (5) penetrates through the side wall of the processing box (1), a filtering cloth bag is sleeved on the screen inserting plate (5), a switch (10) electrically connected with the constant-speed vacuum pump (3) is arranged at one side of the processing box (1), and at least one outer smoke inlet (8) is uniformly arranged on the acquisition pipe (; an acquisition control device is arranged in the processing box (1), and an acquisition end of the acquisition control device is arranged in the acquisition pipe (2).
2. The utility boiler tail flue gas sampling pipe device of claim 1, characterized in that: the collecting control device comprises a collecting control tube (6), an adjusting device (7) and a fixed ring (13), an inner smoke inlet hole (15) matched with an outer smoke inlet hole (8) is formed in the collecting control tube (6) in a staggered mode, an upper bearing (14) and a lower bearing (16) are respectively sleeved at two ends of the collecting control tube (6), one end of the collecting control tube (6) is fixed in the collecting tube (2) through the lower bearing (16), the upper bearing (14) is arranged in the fixed ring (13), and the fixed ring (13) is fixed in the processing box (1); the adjusting device (7) comprises an upper rotating plate (71), an adjusting rod (73) and a bevel gear (74), the upper rotating plate (71) is fixed at one end of the acquisition control tube (6), an L-shaped fixing block (75) is fixed on one side of the fixing ferrule (13), one end of the adjusting rod (73) penetrates through the side wall of the processing box (1) and one end of the L-shaped fixing block (75) to be connected with the bevel gear (74), and a bevel gear ring (72) meshed with the bevel gear (74) is arranged on one side of the upper rotating plate (71).
3. The utility boiler tail flue gas sampling pipe device of claim 2, characterized in that: the fixed ferrule (13) is provided with a positioning groove (77), and the upper rotating plate (71) is provided with a bullseye (78) corresponding to the inner smoke inlet hole (15).
4. The utility boiler tail flue gas sampling pipe device of claim 3, characterized in that: and a steel sheet (76) is arranged in the positioning groove (77).
5. The utility boiler tail flue gas sampling pipe device of claim 2 or 4, characterized in that: the collection control pipe (6) is sleeved with a plurality of sealing rings (17), and the sealing rings (17) are arranged between the adjacent inner smoke inlet holes (15).
6. The utility boiler tail flue gas sampling pipe device of claim 5, characterized in that: one side of the processing box (1) is provided with a connecting port (11).
7. The utility boiler tail flue gas sampling pipe device of claim 6, characterized in that: the power connection port (11) is a USB charging port; a storage battery is arranged in the processing box (1), and the storage battery is electrically connected with the USB charging interface and the constant-speed vacuum pump (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726635.0U CN212275366U (en) | 2020-05-07 | 2020-05-07 | Power station boiler afterbody flue gas sampling pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020726635.0U CN212275366U (en) | 2020-05-07 | 2020-05-07 | Power station boiler afterbody flue gas sampling pipe device |
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| Publication Number | Publication Date |
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| CN212275366U true CN212275366U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020726635.0U Active CN212275366U (en) | 2020-05-07 | 2020-05-07 | Power station boiler afterbody flue gas sampling pipe device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624569A (en) * | 2021-09-24 | 2021-11-09 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Drum-type continuous online multi-fixed-point circulating flue gas sampling and detecting device |
| CN113740122A (en) * | 2021-09-28 | 2021-12-03 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Continuous on-line flue gas sampling detection device capable of independently controlling and measuring multiple fixed points |
-
2020
- 2020-05-07 CN CN202020726635.0U patent/CN212275366U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624569A (en) * | 2021-09-24 | 2021-11-09 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Drum-type continuous online multi-fixed-point circulating flue gas sampling and detecting device |
| CN113740122A (en) * | 2021-09-28 | 2021-12-03 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Continuous on-line flue gas sampling detection device capable of independently controlling and measuring multiple fixed points |
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