CN212469135U - Water-cooled wall boiler flue gas sampling device - Google Patents
Water-cooled wall boiler flue gas sampling device Download PDFInfo
- Publication number
- CN212469135U CN212469135U CN202020383962.0U CN202020383962U CN212469135U CN 212469135 U CN212469135 U CN 212469135U CN 202020383962 U CN202020383962 U CN 202020383962U CN 212469135 U CN212469135 U CN 212469135U
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- Prior art keywords
- wall
- sampling tube
- hole
- flue gas
- sampling device
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Links
- 238000005070 sampling Methods 0.000 title claims abstract description 66
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000003546 flue gas Substances 0.000 title claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 23
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of the flue gas sample, especially, be a water-cooled wall boiler flue gas sampling device, which comprises a furnace wall, the mounting hole has been seted up on the oven, welded fastening has the sampling tube on the inner wall of mounting hole, the fixed orifices has been seted up on the top inner wall of sampling tube, welded fastening has sampling equipment in the fixed orifices, the sampling tube has been kept away from and has been seted up the rotation hole on one side inner wall of oven, rotate downthehole rotation and install ceramic post, one side welded fastening that the oven was kept away from to the sampling tube has the motor, the output shaft of motor extends to rotate downthehole and paste fixedly together with ceramic post, the bottom of ceramic post extends to in the sampling tube and welded fastening has reciprocal lead screw. The utility model is simple in operation, convenient to use can relax and clean sampling device at will, avoids it to take place to block up, makes the testing result too big error can not appear.
Description
Technical Field
The utility model relates to a flue gas sampling technical field especially relates to a water-cooled wall boiler flue gas sampling device.
Background
For coal-fired boilers, especially large-scale thermal power plant boilers, because the combustion chamber has large volume, the flue gas contains a large amount of dust, the pressure sampling device must be directly connected with the hearth to most directly and accurately realize the measurement and control of the pressure, the changes of the grid load, the external environment, the coal type and the like and the normal air supply quantity adjustment can all cause the change of the physical flow field of the hearth, the dust in the flue gas can enter the pressure sampling device under various disturbances to block the pressure sampling device, the measured value is distorted, and even the pressure protection fails.
However, at present, the sampling device is generally cleaned manually, so that the situation that the sampling device is blocked is avoided, and the detection result has errors.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a water-cooled wall boiler flue gas sampling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a water-cooled wall boiler flue gas sampling device comprises a furnace wall, wherein a mounting hole is formed in the furnace wall, a sampling tube is fixedly welded on the inner wall of the mounting hole, a fixing hole is formed in the inner wall of the top of the sampling tube, sampling equipment is fixedly welded in the fixing hole, a rotating hole is formed in the inner wall of one side, away from the furnace wall, of the sampling tube, a ceramic column is rotatably mounted in the rotating hole, a motor is fixedly welded on one side, away from the furnace wall, of the sampling tube, an output shaft of the motor extends into the rotating hole and is fixedly adhered with the ceramic column, the bottom end of the ceramic column extends into the sampling tube and is fixedly welded with a reciprocating lead screw, the same vertical rod is fixedly adhered on the inner walls of the top and the bottom of the sampling tube, a round hole is formed in the vertical rod, the reciprocating lead screw is rotatably connected with the inner wall of the round hole, a scraper is rotatably mounted on the, all slidable mounting has the slider in four spouts, and the one end that four sliders are close to each other all is in the same place with scraper blade welded fastening.
Preferably, a ball is nested on one side of the sliding block, which is far away from the scraper, and the ball is in rolling connection with the inner wall of the sliding groove.
Preferably, a first bearing is arranged in the rotating hole, the outer ring of the first bearing is in interference fit with the inner wall of the rotating hole, and the inner ring of the first bearing is sleeved on the ceramic column in interference fit.
Preferably, the scraper is provided with a bidirectional threaded hole, and the reciprocating screw rod is in threaded connection with the bidirectional threaded hole.
Preferably, a second bearing is arranged in the circular hole, the outer ring of the second bearing is in interference fit with the inner wall of the circular hole, and the inner ring of the second bearing is sleeved on the reciprocating screw rod in interference fit.
Preferably, a plurality of vent holes are formed in the vertical rod.
Compared with the prior art, the beneficial effects of the utility model are that: when being filled and blockked up by a large amount of dusts in the sampling tube, people alright in order to starter motor, the motor rotates and drives the ceramic column and rotate, the ceramic column drives reciprocal lead screw again and rotates, reciprocal lead screw drives the scraper blade again and slides in the sampling tube, because the two-way screw cooperation of reciprocal lead screw and scraper blade, reciprocal lead screw is even if the rotation that keeps to one direction constantly, the scraper blade also can be in the sampling tube the reciprocating motion that carries on that keeps to, thereby the scraper blade can strike off adnexed dust on the inner wall of sampling tube always, thereby can prevent that the condition of blockking up from appearing in the sampling tube.
The utility model is simple in operation, convenient to use can relax and clean sampling device at will, avoids it to take place to block up, makes the testing result too big error can not appear.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is an assembly view of the scraper and four blocks of the present invention;
in the figure: 1. a furnace wall; 2. mounting holes; 3. a sampling tube; 4. a fixing hole; 5. a sampling device; 6. rotating the hole; 7. a ceramic post; 8. a motor; 9. a reciprocating screw rod; 10. a vertical rod; 11. A circular hole; 12. a squeegee; 13. a chute; 14. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a water-cooled wall boiler flue gas sampling device comprises a furnace wall 1, a mounting hole 2 is formed in the furnace wall 1, a sampling tube 3 is fixedly welded on the inner wall of the mounting hole 2, a fixing hole 4 is formed in the inner wall of the top of the sampling tube 3, a sampling device 5 is fixedly welded in the fixing hole 4, a rotating hole 6 is formed in the inner wall of one side of the sampling tube 3, which is far away from the furnace wall 1, a ceramic column 7 is rotatably mounted in the rotating hole 6, a motor 8 is fixedly welded on one side of the sampling tube 3, which is far away from the furnace wall 1, an output shaft of the motor 8 extends into the rotating hole 6 and is fixedly adhered with the ceramic column 7, the bottom end of the ceramic column 7 extends into the sampling tube 3 and is fixedly welded with a reciprocating lead screw 9, the same vertical rod 10 is fixedly adhered on the inner walls of the top and the bottom of the sampling tube 3, a round hole 11 is formed in the vertical rod 10, the inner walls of the reciprocating lead screw 9 and the round hole 11, sliding blocks 14 are arranged in the four sliding grooves 13 in a sliding mode, and one ends, close to each other, of the four sliding blocks 14 are welded and fixed with the scraping plates 12;
one side of the sliding block 14, which is far away from the scraper 12, is nested with a ball, the ball is in rolling connection with the inner wall of the sliding groove 13, a first bearing is arranged in the rotating hole 6, the outer ring of the first bearing is in interference fit with the inner wall of the rotating hole 6, the inner ring of the first bearing is in interference fit with the ceramic post 7, the scraper 12 is provided with a bidirectional threaded hole, the reciprocating screw 9 is in threaded connection with the bidirectional threaded hole, a second bearing is arranged in the circular hole 11, the outer ring of the second bearing is in interference fit with the inner wall of the circular hole 11, the inner ring of the second bearing is in interference fit with the reciprocating screw 9, the vertical rod 10 is provided with a plurality of air vents, when the sampling tube 3 is filled with a large amount of dust and blocked, people can start the motor 8, the motor 8 rotates and drives the ceramic post 7 to rotate, the ceramic post, because reciprocal lead screw 9 and scraper blade 12's two-way screw cooperation, reciprocal lead screw 9 is even the rotation that does not stop toward a direction all the time, and scraper blade 12 also can be in sampling tube 3 the not reciprocating motion that carries on that does not stop to scraper blade 12 can strike off adnexed dust on the inner wall of sampling tube 3 all the time, thereby can prevent that the condition of jam from appearing in sampling tube 3, the utility model is simple in operation, convenient to use, can easily clean sampling device at will, avoid it to take place to block up, make the testing result can not appear too big error.
The working principle is as follows: when being filled and blockked up by a large amount of dust in sampling tube 3, people alright with starter motor 8, motor 8 rotates and drives ceramic post 7 and rotates, ceramic post 7 drives reciprocal lead screw 9 again and rotates, reciprocal lead screw 9 drives scraper blade 12 again and slides in sampling tube 3, because the two-way screw cooperation of reciprocal lead screw 9 and scraper blade 12, reciprocal lead screw 9 is afraid of the rotation that does not stop toward a direction all the time even, scraper blade 12 also can be in sampling tube 3 the reciprocating motion that carries on that does not stop, thereby scraper blade 12 can always strike off adnexed dust on sampling tube 3's the inner wall, thereby can prevent that sampling tube 3 from appearing the condition of blockking up, the utility model is simple in operation, convenient to use, can easily clean sampling device at will, avoid it to take place to block up, make the testing result can not appear too big error.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a water-cooled wall boiler flue gas sampling device, includes oven (1), its characterized in that: the furnace wall is characterized in that a mounting hole (2) is formed in the furnace wall (1), a sampling tube (3) is fixedly mounted on the inner wall of the mounting hole (2), a fixing hole (4) is formed in the inner wall of the top of the sampling tube (3), sampling equipment (5) is fixedly mounted in the fixing hole (4), a rotating hole (6) is formed in the inner wall of one side, away from the furnace wall (1), of the sampling tube (3), a ceramic column (7) is rotatably mounted in the rotating hole (6), a motor (8) is fixedly mounted on one side, away from the furnace wall (1), of the sampling tube (3), an output shaft of the motor (8) extends into the rotating hole (6) and is fixedly connected with the ceramic column (7), the bottom end of the ceramic column (7) extends into the sampling tube (3) and is fixedly provided with a reciprocating screw rod (9), and the same vertical rod (10) is fixedly mounted on the inner walls of the top and, round hole (11) have been seted up on montant (10), the inner wall of reciprocal lead screw (9) and round hole (11) rotates to be connected, rotate on reciprocal lead screw (9) and install scraper blade (12) set up four spout (13) that are the annular and arrange on the inner wall of sampling tube (3), equal slidable mounting has slider (14) in four spout (13), the one end that four slider (14) are close to each other all with scraper blade (12) fixed connection.
2. The flue gas sampling device of the water-cooled wall boiler according to claim 1, characterized in that: one side of the sliding block (14) far away from the scraper (12) is nested with a ball, and the ball is in rolling connection with the inner wall of the sliding groove (13).
3. The flue gas sampling device of the water-cooled wall boiler according to claim 1, characterized in that: the ceramic column is characterized in that a first bearing is arranged in the rotating hole (6), an outer ring of the first bearing is fixedly connected with the inner wall of the rotating hole (6), and an inner ring of the first bearing is fixedly sleeved on the ceramic column (7).
4. The flue gas sampling device of the water-cooled wall boiler according to claim 1, characterized in that: the scraper (12) is provided with a bidirectional threaded hole, and the reciprocating screw rod (9) is in threaded connection with the bidirectional threaded hole.
5. The flue gas sampling device of the water-cooled wall boiler according to claim 1, characterized in that: and a second bearing is arranged in the round hole (11), the outer ring of the second bearing is fixedly connected with the inner wall of the round hole (11), and the inner ring of the second bearing is fixedly sleeved on the reciprocating screw rod (9).
6. The flue gas sampling device of the water-cooled wall boiler according to claim 1, characterized in that: the vertical rod (10) is provided with a plurality of vent holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383962.0U CN212469135U (en) | 2020-03-24 | 2020-03-24 | Water-cooled wall boiler flue gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383962.0U CN212469135U (en) | 2020-03-24 | 2020-03-24 | Water-cooled wall boiler flue gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212469135U true CN212469135U (en) | 2021-02-05 |
Family
ID=74457811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020383962.0U Expired - Fee Related CN212469135U (en) | 2020-03-24 | 2020-03-24 | Water-cooled wall boiler flue gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212469135U (en) |
-
2020
- 2020-03-24 CN CN202020383962.0U patent/CN212469135U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |