CN113670676A - Anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device and sampling method thereof - Google Patents
Anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device and sampling method thereof Download PDFInfo
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- CN113670676A CN113670676A CN202110945298.3A CN202110945298A CN113670676A CN 113670676 A CN113670676 A CN 113670676A CN 202110945298 A CN202110945298 A CN 202110945298A CN 113670676 A CN113670676 A CN 113670676A
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- 238000005070 sampling Methods 0.000 title claims abstract description 53
- 239000010881 fly ash Substances 0.000 title claims abstract description 28
- 238000005299 abrasion Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000002956 ash Substances 0.000 claims abstract description 84
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 19
- 230000007306 turnover Effects 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 description 5
- 210000002421 cell wall Anatomy 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device which comprises a smoke tube body, wherein two holes are symmetrically and horizontally arranged on the side wall of the smoke tube body in a penetrating manner, a horizontal rod is jointly and fixedly installed in the two holes in a sealing manner, a cylindrical conversion groove is horizontally and coaxially arranged in the horizontal rod, and a rotary roller is connected in the conversion groove in a sealing and sliding manner; an anti-blocking and anti-abrasion automatic fly ash constant-speed sampling method mainly comprises the following steps: s1, calibrating; s2, pressure regulating and sampling; s3, deashing; and S4, ash sample unloading. In this equipment, when not working, through-hole and air inlet dislocation can enough avoid the bleed groove to be blockked up by the flying ash, can avoid changeing the roller again and be worn and torn to improve the life of this equipment, the during operation can both strike off the flying ash of adhesion on the bleed inslot wall to the same sampling bottle side by side after taking a sample at every turn in, thereby can enough avoid the bleed groove to be blockked up, can improve the accuracy of testing result again.
Description
Technical Field
The invention relates to the technical field of fly ash sampling equipment, in particular to an anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device and a sampling method thereof.
Background
Traditional flying dust sampling equipment directly exposes the sampling tube when using with in the flue, the sampling head is fixed for a long time and can be worn and torn in the flue, makes the sample accuracy receive the influence, also causes the sampling head to block up easily, also can adsorb a certain amount of flying dust on the sampling tube inner wall when sampling at every turn simultaneously, so not only can influence the accuracy of sample, also can lead to the sampling tube to be blockked up after long-time to influence sampling device's normal use.
Disclosure of Invention
The invention aims to solve the problem that a sampling tube is easy to block and wear when a traditional sampling device is used in the prior art, and provides an anti-blocking and anti-wear automatic fly ash constant-speed sampling device and a sampling method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device comprises a smoke tube body, wherein two holes are symmetrically and horizontally arranged on the side wall of the smoke tube body in a penetrating manner, a horizontal rod is jointly and fixedly installed in the two holes in a sealing manner, a cylindrical conversion groove is horizontally and coaxially arranged in the horizontal rod, a rotary roller is connected in the conversion groove in a sealing and sliding manner, a conversion mechanism is arranged in the rotary roller, an ash cleaning mechanism matched with the rotary roller is arranged on the horizontal rod, an ash storage box is fixedly installed on the side wall of the smoke tube body, a sample separation mechanism is arranged in the ash storage box, a cyclone separator matched with the sample separation mechanism and the conversion mechanism is fixedly installed on the upper end surface of the ash storage box, the conversion mechanism comprises two air introducing grooves horizontally and symmetrically arranged on the side wall of the rotary roller, a through hole is vertically arranged between each air introducing groove and the peripheral wall of the rotary roller, and an air inlet corresponding to the through hole is vertically arranged between the top wall of the horizontal rod in the conversion groove, fixed mounting has the upset motor on the cell wall of switching trough, and the output shaft of upset motor and the coaxial fixed connection of lateral wall of commentaries on classics roller, fixed mounting's translation motor on the ash removal mechanism includes the horizon bar lateral wall, the passageway has been seted up to the level between horizon bar lateral wall and the switching trough, the coaxial fixedly connected with threaded rod of output shaft of translation motor, and the threaded rod one end of keeping away from translation motor passes the passageway and extends to the switching trough in, threaded sleeve is equipped with a screw thread section of thick bamboo on the threaded rod, divide appearance mechanism including depositing the ash box in the vertical cylindrical groove of having seted up, the sample storage dish is installed to the cylindrical groove internal rotation, a plurality of ash hoppers of depositing have evenly been seted up to sample storage dish up end, the vertical intercommunication of cylindrical inslot roof is equipped with first ash discharge pipe and the second ash discharge pipe that corresponds with depositing the ash hopper.
Furthermore, each air guide groove is internally provided with an ash removing plate in a sealing and sliding connection mode, a first permanent magnet is embedded in the side wall of each ash removing plate, a guide hole corresponding to the threaded cylinder is formed between the groove wall of each air guide groove and the groove wall of the conversion groove, and a second permanent magnet matched with the first permanent magnet is fixedly connected to the threaded cylinder.
Furthermore, the upper end of the first ash discharge pipe is communicated with the ash discharge end of the cyclone separator, a control pipe corresponding to the air entraining groove is arranged between the air inlet end of the cyclone separator and the conversion groove in a communicated mode, a communicating pipe corresponding to the air entraining groove is arranged between the upper end of the second ash discharge pipe and the conversion groove in a communicated mode, and a negative pressure pipe is arranged at the upper end of the cyclone separator in a communicated mode.
Furthermore, a servo motor is fixedly installed on the upper end face of the ash storage box, an output shaft of the servo motor penetrates through the upper end of the ash storage box and extends into the cylindrical groove, and the output shaft of the servo motor is coaxially and fixedly connected with the sample storage disc.
Further, deposit grey case up end and run through and set up the screw hole that corresponds with depositing the ash bucket, screw hole female connection has sealed lid.
An anti-blocking and anti-abrasion automatic fly ash constant-speed sampling method mainly comprises the following steps:
s1, calibration: starting a turnover motor to enable the through hole in the rotary roller to be opposite to the air inlet;
s2, voltage regulation and sampling: opening an electromagnetic valve in the control pipe, an external pressure control device and a negative pressure machine, adjusting the output power of the negative pressure machine to ensure that the gas flow rate at the gas inlet is the same as the gas flow rate in the smoke pipe body, and separating dust in the gas by a cyclone separator and discharging the dust into a dust storage hopper through a first dust discharge pipe;
s3, ash removal: after sampling is finished, closing an electromagnetic valve in a control pipe, an external pressure control device and a negative pressure machine, starting a turnover motor to enable a rotary roller to rotate 180 degrees, then starting a translation motor, driving an ash removing plate through a threaded rod and a threaded barrel to discharge dust in an air guide groove into an ash storage hopper through a communicating pipe and a second ash discharging pipe, and then reversely starting the translation motor to drive the ash removing plate to reset;
s4, ash sample unloading: and starting the servo motor, and driving the sample storage disc to rotate by 90 degrees by the servo motor.
In this equipment, when not working, through-hole and air inlet dislocation can enough avoid the bleed groove to be blockked up by the flying ash, can avoid changeing the roller again and be worn and torn to improve the life of this equipment, the during operation can both strike off the flying ash of adhesion on the bleed inslot wall to the same sampling bottle side by side after taking a sample at every turn in, thereby can enough avoid the bleed groove to be blockked up, can improve the accuracy of testing result again.
Drawings
FIG. 1 is a schematic view of a part of an appearance structure of an anti-blocking and anti-wear automatic fly ash constant-speed sampling device according to the present invention;
FIG. 2 is a schematic view of a connection structure of a horizontal rod and a dust storage box in the anti-blocking and anti-wear automatic fly ash constant-speed sampling device according to the present invention;
FIG. 3 is a schematic view of the internal structure of a horizontal rod portion of an anti-blocking and anti-wear automatic fly ash constant-speed sampling device according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic view of a partial structure of a sample separating mechanism of an anti-blocking and anti-wear automatic fly ash constant-speed sampling device according to the present invention;
fig. 6 and fig. 3 are partial structural schematic views of a sample storage disk in an anti-blocking and anti-wear automatic fly ash constant-speed sampling device according to the present invention.
In the figure: the smoke tube comprises a smoke tube body 1, a horizontal rod 2, a conversion groove 3, a rotary roller 4, an air guide groove 5, an air inlet 6, a through hole 7, an ash removing plate 8, a first permanent magnet 9, a guide hole 10, a channel 11, a threaded rod 12, a threaded barrel 13, a second permanent magnet 14, a translation motor 15, a turnover motor 16, a control pipe 17, a communicating pipe 18, a cyclone separator 19, a negative pressure pipe 20, a first ash discharge pipe 21, a second ash discharge pipe 22, an ash storage box 23, a cylindrical groove 24, a sample storage disc 25, an ash storage hopper 26, a servo motor 27 and a sealing cover 28.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, an anti-blocking and anti-wear automatic fly ash constant speed sampling device, including a smoke tube body 1, two holes have been seted up to smoke tube body 1 lateral wall symmetry level run through, common sealed fixed mounting has a horizon bar 2 in two holes, cylindric converting tank 3 has been seted up to the level is coaxial in the horizon bar 2, sealed sliding connection has a commentaries on classics roller 4 in the converting tank 3, be equipped with in the commentaries on classics roller 4 and get the mechanism, be equipped with on the horizon bar 2 with commentaries on classics roller 4 complex deashing mechanism, smoke tube body 1 lateral wall fixed mounting has ash storage box 23, be equipped with branch appearance mechanism in the ash storage box 23, ash storage box 23 up end fixed mounting has with branch appearance mechanism, change mechanism complex cyclone 19.
The mechanism is got in commentaries on classics includes two air guide grooves 5 that 4 lateral wall horizontal symmetries of commentaries on classics were seted up, and equal vertical through-hole 7 of having seted up between every air guide groove 5 and the perisporium of commentaries on classics roller 4, vertical air inlet 6 of corresponding with through-hole 7 of seting up between 3 interior roof of change over tank and the 2 perisporums of horizon bar, fixed mounting has upset motor 16 on the cell wall of change over tank 3, and the output shaft of upset motor 16 and the coaxial fixed connection of the lateral wall of commentaries on classics roller 4.
Referring to fig. 4, the ash removing mechanism comprises a translation motor 15 fixedly mounted on the side wall of a horizontal rod 2, a channel 11 is horizontally arranged between the side wall of the horizontal rod 2 and a conversion groove 3, an output shaft of the translation motor 15 is coaxially and fixedly connected with a threaded rod 12, one end of the threaded rod 12 far away from the translation motor 15 penetrates through the channel 11 and extends into the conversion groove 3, and a threaded barrel 13 is sleeved on the threaded rod 12 in a threaded manner;
all sealing sliding connection has the dust board 8 in every air guide groove 5, the lateral wall of every dust board 8 all has glued the rubber circle, every 8 lateral walls of dust board all inlays and is equipped with first permanent magnetism piece 9, all set up the guiding hole 10 that corresponds with threaded cylinder 13 between 5 cell walls of every air guide groove and the 3 cell walls of switching groove, fixedly connected with and first permanent magnetism piece 9 complex second permanent magnetism piece 14 on the threaded cylinder 13, the relative one side magnetic pole of first permanent magnetism piece 9 and second permanent magnetism piece 14 that the position corresponds is opposite.
Referring to fig. 5 and 6, the sample separating mechanism includes an ash storage box 23, a cylindrical groove 24 is vertically formed in the ash storage box 23, a sample storage tray 25 is rotatably mounted in the cylindrical groove 24, a plurality of ash storage hoppers 26 are uniformly formed on the upper end surface of the sample storage tray 25, and a first ash discharge pipe 21 and a second ash discharge pipe 22 corresponding to the ash storage hoppers 26 are vertically communicated with the top wall of the cylindrical groove 24;
the upper end of the first ash discharge pipe 21 is communicated with the ash discharge end of the cyclone separator 19, a control pipe 17 corresponding to the air guide groove 5 is communicated between the air inlet end of the cyclone separator 19 and the conversion groove 3, an electromagnetic valve is installed in the control pipe 17, a communicating pipe 18 corresponding to the air guide groove 5 is communicated between the upper end of the second ash discharge pipe 22 and the conversion groove 3, and a negative pressure pipe 20 is communicated with the upper end of the cyclone separator 19;
the upper end of the negative pressure pipe 20 is connected with an external negative pressure machine, the input end of the negative pressure machine is connected with a pressure control device, the output power of the negative pressure machine can be adjusted through the pressure control device, so that the pressure and the flow rate of gas in the control pipe 17 can be adjusted, a first pressure sensor is arranged in the smoke pipe body 1, a second pressure sensor is arranged at the gas inlet 6, and the output ends of the first pressure sensor and the second pressure sensor are electrically connected with the input end of the pressure control device through leads;
The anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device also relates to an anti-blocking and anti-abrasion automatic fly ash constant-speed sampling method, which mainly comprises the following steps:
s1, calibration: turning on the turnover motor 16 to enable the through hole 7 on the rotary roller 4 to be opposite to the air inlet 6;
s2, voltage regulation and sampling: the electromagnetic valve in the control pipe 17, the external pressure control device and the negative pressure machine are opened, the negative pressure machine forms negative pressure, then the gas from top to bottom in the smoke pipe body 1 enters the cyclone separator 19 through the air inlet 6, the through hole 7, the air-entraining groove 5 and the control pipe 17 under the action of the negative pressure, the fly ash in the gas is separated from the air under the action of the cyclone separator 19, the air is guided to the outside through the air-entraining pipe in the cyclone separator 19, and the fly ash enters the sampling bottle in the corresponding ash storage hopper 26 through the first ash discharge pipe 21;
meanwhile, the first pressure sensor detects the pressure and the flow rate of the gas in the smoke tube body 1 and transmits a detected value to the pressure control device, the second pressure sensor detects the gas flow rate and the pressure at the gas inlet 6 and transmits the detected value to the pressure control device, the pressure control device compares the detected values of the first pressure sensor and the second pressure sensor, and meanwhile, the pressure control device adjusts the output power of the negative pressure machine according to the comparison result to keep the gas flow rates in the gas inlet 6 and the smoke tube body 1 the same, so that the purpose of constant-speed sampling is achieved;
s3, ash removal: after sampling is finished, the electromagnetic valve in the control pipe 17, the external pressure control device and the negative pressure machine are closed, the overturning motor 16 is started to enable the rotary roller 4 to rotate 180 degrees, then the translation motor 15 is started, the translation motor 15 drives the threaded rod 12 to rotate, the threaded rod 12 drives the threaded cylinder 13 to penetrate through the guide hole 10 to enter the air guide tank 5 and push the ash removing plate 8 to move, the ash removing plate 8 scrapes off fly ash on the inner wall of the air guide tank 5 and discharges the fly ash into a sampling bottle in the corresponding ash storage hopper 26 through the communicating pipe 18 and the second ash discharging pipe 22, then the translation motor 15 is started reversely, the translation motor 15 drives the threaded cylinder 13 and the second permanent magnet 14 to reset, meanwhile, under the action of magnetic suction between the first permanent magnet 9 and the second permanent magnet 14, the first permanent magnet 9 drives the ash removing plate 8 to reset, so that fly ash adhered to the inner wall of the air guide tank 5 during sampling can be discharged into the same sampling bottle together, not only can avoid the blocking of the air guide groove 5, but also can improve the sampling accuracy;
s4, ash sample unloading: the servo motor 27 is started, the servo motor 27 drives the sample storage disc 25 to rotate by 90 degrees, and the steps of S2, S3 and S4 are repeated, so that multiple sampling can be completed, then the turnover motor 16 is started, so that the air inlet 6 and the through hole 7 are staggered, thereby not only preventing gas in the smoke tube body 1 from entering the air guide groove 5 and enabling flying ash to adhere to the air guide groove 5, but also preventing the roller 4 from being worn, thereby prolonging the service life of the device, then the sealing cover 28 is opened to take out and put a new sample bottle corresponding to the sample bottle in the ash storage hopper 26, the servo motor 27 is started, the servo motor 27 drives the sample storage disc 25 to rotate by 90 degrees, and the sample bottles in the ash storage hoppers 26 are taken out and put in the new sample bottle in sequence.
Claims (6)
1. An anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device comprises a smoke tube body (1) and is characterized in that two holes are symmetrically and horizontally formed in the side wall of the smoke tube body (1) in a penetrating mode, a horizontal rod (2) is fixedly installed in the two holes in a sealing mode, a cylindrical conversion groove (3) is coaxially formed in the horizontal rod (2) in the horizontal mode, a rotary roller (4) is connected in the conversion groove (3) in a sealing mode in a sliding mode, a sample separating mechanism is arranged in the rotary roller (4), an ash cleaning mechanism matched with the rotary roller (4) is arranged on the horizontal rod (2), an ash storage box (23) is fixedly installed on the side wall of the smoke tube body (1), a sample separating mechanism is arranged in the ash storage box (23), a cyclone separator (19) matched with the sample separating mechanism and the sample separating mechanism is fixedly installed on the upper end face of the ash storage box (23), the sample separating mechanism comprises two air guide grooves (5) horizontally and symmetrically formed in the side wall of the rotary roller (4), a through hole (7) is vertically formed between the peripheral wall of each air guide groove (5) and the peripheral wall of each rotating roller (4), an air inlet (6) corresponding to the through hole (7) is vertically formed between the inner top wall of each conversion groove (3) and the peripheral wall of each horizontal rod (2), a turnover motor (16) is fixedly installed on the groove wall of each conversion groove (3), the output shaft of each turnover motor (16) is coaxially and fixedly connected with the side wall of each rotating roller (4), each ash cleaning mechanism comprises a translation motor (15) fixedly installed on the side wall of each horizontal rod (2), a channel (11) is horizontally formed between the side wall of each horizontal rod (2) and each conversion groove (3), a threaded rod (12) is coaxially and fixedly connected with the output shaft of each translation motor (15), one end, far away from the translation motor (15), of each threaded rod (12) penetrates through the channel (11) and extends into each conversion groove (3), and a threaded barrel (13) is sleeved on each threaded rod (12), divide appearance mechanism and including depositing vertical cylindrical groove (24) of having seted up in ash box (23), sample storage dish (25) are installed to cylindrical groove (24) internal rotation, a plurality of ash hoppers (26) of depositing have evenly been seted up to sample storage dish (25) up end, the vertical intercommunication of roof is equipped with first ash discharge pipe (21) and second ash discharge pipe (22) that correspond with ash hopper (26) of depositing in cylindrical groove (24).
2. The anti-blocking and anti-wear automatic fly ash constant-speed sampling device according to claim 1, wherein an ash removal plate (8) is connected in each air guide groove (5) in a sealing and sliding manner, a first permanent magnet (9) is embedded in the side wall of each ash removal plate (8), a guide hole (10) corresponding to the threaded cylinder (13) is formed between the groove wall of each air guide groove (5) and the groove wall of the conversion groove (3), and a second permanent magnet (14) matched with the first permanent magnet (9) is fixedly connected to the threaded cylinder (13).
3. The anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device according to claim 1, wherein the upper end of the first ash discharge pipe (21) is communicated with the ash discharge end of the cyclone separator (19), a control pipe (17) corresponding to the air guide groove (5) is communicated between the air inlet end of the cyclone separator (19) and the conversion groove (3), a communicating pipe (18) corresponding to the air guide groove (5) is communicated between the upper end of the second ash discharge pipe (22) and the conversion groove (3), and a negative pressure pipe (20) is communicated with the upper end of the cyclone separator (19).
4. The anti-blocking anti-abrasion automatic fly ash constant-speed sampling device according to claim 1, wherein a servo motor (27) is fixedly mounted on the upper end surface of the ash storage box (23), an output shaft of the servo motor (27) penetrates through the upper end of the ash storage box (23) and extends into the cylindrical groove (24), and an output shaft of the servo motor (27) is coaxially and fixedly connected with the sample storage disc (25).
5. The anti-blocking anti-abrasion automatic fly ash constant-speed sampling device according to claim 1, wherein a threaded hole corresponding to the ash storage hopper (26) is formed in the upper end surface of the ash storage box (23) in a penetrating manner, and a sealing cover (28) is connected to the threaded hole in a threaded manner.
6. An anti-blocking and anti-abrasion automatic fly ash constant-speed sampling method is characterized by mainly comprising the following steps of:
s1, calibration: starting a turnover motor (16) to enable the through hole (7) on the rotary roller (4) to be opposite to the air inlet (6);
s2, voltage regulation and sampling: an electromagnetic valve in the control pipe (17), an external pressure control device and a negative pressure machine are started, the output power of the negative pressure machine is adjusted to enable the gas flow rate at the gas inlet (6) to be the same as the gas flow rate in the smoke pipe body (1), and dust in the gas is separated by a cyclone separator (19) and is discharged into a dust storage hopper (26) through a first dust discharge pipe (21);
s3, ash removal: after sampling is finished, closing an electromagnetic valve in the control pipe 17, an external pressure control device and a negative pressure machine, starting a turnover motor (16) to enable a rotary roller (4) to rotate 180 degrees, then starting a translation motor (15), driving a dust removing plate (8) to remove dust in an air guide groove (5) into a dust storage hopper (26) through a communicating pipe (18) and a second dust removing pipe (22) by a threaded rod (12) and a threaded cylinder (13), and then reversely starting the translation motor (15) to drive the dust removing plate (8) to reset;
s4, ash sample unloading: the servo motor (27) is started, and the servo motor (27) drives the sample storage disc (25) to rotate 90 degrees.
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| CN202110945298.3A CN113670676B (en) | 2021-08-17 | 2021-08-17 | Anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device and sampling method thereof |
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| CN202110945298.3A CN113670676B (en) | 2021-08-17 | 2021-08-17 | Anti-blocking and anti-abrasion automatic fly ash constant-speed sampling device and sampling method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323502A (en) * | 2022-01-13 | 2022-04-12 | 靖江市新博液压件有限公司 | Desk type testing device for performance parameters of electromagnetic valve |
| CN116907920A (en) * | 2023-09-14 | 2023-10-20 | 龙口市化工厂 | Collecting and treating device for residual sulfuryl fluoride in container after fumigation |
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| CN206637637U (en) * | 2017-03-30 | 2017-11-14 | 厦门大学嘉庚学院 | A kind of deashing device that flue is placed suitable for transverse horizontal |
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