CN210401222U - Novel online coal quality analyzer for pulverized coal pipeline - Google Patents
Novel online coal quality analyzer for pulverized coal pipeline Download PDFInfo
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- CN210401222U CN210401222U CN201920273545.8U CN201920273545U CN210401222U CN 210401222 U CN210401222 U CN 210401222U CN 201920273545 U CN201920273545 U CN 201920273545U CN 210401222 U CN210401222 U CN 210401222U
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Abstract
The utility model discloses a novel coal powder pipeline on-line coal quality analyzer, which comprises a multipoint wear-resistant sampling gun, wherein the multipoint wear-resistant sampling gun extracts coal powder airflow in a coal powder pipeline through a sampling suction device, and then separates the coal powder through a gas-powder separator, so that a coal powder sample falls into a sliding cake mold storage port; taking a sliding cake mold full of samples, moving the sliding cake mold to a molding station through a base cylinder, and pressing loose coal powder into a cake-shaped sample by an oil press; the sliding cake mould is moved to a cake removing station through a cake mould air cylinder, and a cake-shaped sample enters the laser induced analysis unit through the sample introduction chute for analysis through cake removing of the cake by the cake removing air cylinder; the coal quality information is displayed on a display controller in real time and uploaded to monitoring workers; and the detected coal cake sample enters a sample crusher through a sample outlet chute, is crushed into coal powder again, and enters a coal powder pipeline again for combustion of a boiler through a sample discharge aspirator and a sample discharge exhaust pipe.
Description
Technical Field
The utility model relates to a coal quality analysis equipment, concretely relates to novel online coal quality analyzer of buggy pipeline.
Background
At present, manual sampling, sample preparation and chemical analysis are generally adopted for coal quality component analysis of a coal-fired power plant, and the method has the advantages of large sample preparation error, low analysis speed and limited analysis indexes, and is easily influenced by human factors. The coal quality of coal as fired is a key parameter influencing the safe and economic operation of the boiler, the traditional analysis method is slow in analysis speed and seriously lags behind the production requirement, under the conditions of poor coal quality and large fluctuation, the boiler operation efficiency is low, accidents such as shutdown, flameout and the like are easy to happen, and the safe and economic operation of a thermal power plant is seriously influenced.
The prior on-line coal quality detection equipment mostly adopts gamma ray and neutron activation technology, and the technology is difficult to carry out large-scale application and popularization due to the fact that the technology has the problem of radioactive potential safety hazard and is difficult to pass increasingly strict environmental assessment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's neotype online coal quality analyzer of buggy pipeline, accomplish coal quality component detection and analysis fast.
In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a multipoint wear-resistant sampling gun, a sampling aspirator, a gas-powder separator, an oil press, a laser induced analysis unit, a sliding cake die, a sliding base, a stock layout aspirator and a sample crusher; the multipoint wear-resistant sampling gun is arranged on the pulverized coal pipeline; the multipoint wear-resistant sampling gun is connected with a sampling suction device on a sampling station through a sampling exhaust pipe; the discharge port of the sampling aspirator is connected with the gas-powder separator through a conveying hose; a molding station is arranged on the right side of the sampling station; the oil press is arranged on the molding station; a first sliding rail is arranged below the sampling station and the molding station; the sliding base is arranged on the first sliding rail; a second sliding rail is arranged on the sliding base; the sliding cake die is arranged on the sliding rail II; the left sides of the sliding cake mould and the sliding base are respectively provided with a corresponding cake mould cylinder and a corresponding base cylinder; a cake stripping station is arranged on the right side of the mold making station; a cake removing cylinder is arranged on the cake removing station; when the sliding cake die is positioned in the cake stripping cylinder, a die outlet of the sliding cake die is connected with a feed inlet of the laser induced analysis unit through a sample injection chute; the discharge hole of the laser-induced analysis unit is connected with the feed inlet of the sample crusher through the sample discharge chute; the powder collecting port of the sample crusher is connected with the stock discharge aspirator through a conveying hose; the discharge hole of the stock layout aspirator is connected with a pulverized coal pipeline through a stock layout exhaust pipe;
furthermore, the multipoint wear-resistant sampling gun is fixedly arranged on the pulverized coal pipeline through a flange; the outer side of the multipoint wear-resistant sampling gun is sleeved with wear-resistant corundum;
furthermore, the gas-powder separator is fixedly arranged on the lifting slide rail, and a sealing ring is arranged at the bottom of the gas-powder separator; a driving motor is arranged on the lifting slide rail;
furthermore, the first slide rail and the second slide rail both adopt double rows of slide rails;
furthermore, a transmission belt, a first position sensor, a high-energy pulse laser and a briquette component detection analyzer are arranged in the laser induction analysis unit; a display controller is arranged on the laser induction analysis unit; the coal cake component detection analyzer is electrically connected with the display controller; the display controller is connected with the monitor through a network;
furthermore, a second position sensor is arranged at a feeding hole of the sample crusher.
After the structure is adopted, the utility model discloses beneficial effect does: a novel online coal quality analyzer of buggy pipeline, gather the buggy sample in real time in the power plant send the powder pipeline, then make the buggy sample through the high-pressure hydraulic press with getting, send into the quick coal quality detection and analysis system based on LIBS laser induction breakdown spectroscopy technique, detect out the full elemental composition of buggy, and analyze out all industrial index of buggy, thoroughly change traditional coal quality analysis method, improve coal utilization efficiency greatly, change traditional thermal power operation mode, provide the coal quality condition of going into the stove fast in real time, the operating personnel of being convenient for in time adjusts the burning, guarantee unit safety and stability operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic sampling diagram of the present invention;
fig. 3 is a schematic view of a mold of the present invention;
fig. 4 is a schematic diagram of the present invention for removing cake.
Description of reference numerals:
1. a multipoint wear-resistant sampling gun; 2. sampling an exhaust pipe; 3. a sampling aspirator; 4. lifting the slide rail; 5. a gas-powder separator; 6. a seal ring; 7. an oil press; 8. a cake removing cylinder; 9. a sample injection chute; 10. a transfer belt; 11. a laser-induced analysis unit; 12. a display controller; 13. sliding the cake mould; 14. a sliding base; 15. a sample exhaust pipe is arranged; 16. a stock extraction aspirator; 17. a cake mold cylinder; 18. a base cylinder; 19. a powder collecting port of the sample crusher; 20. a sample crusher; 21. a feed inlet of a sample grinder; 22. a sample outlet chute; 23. a first position sensor; 24. a pulverized coal pipeline.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the technical solution adopted by the present embodiment is: the device comprises a multipoint wear-resistant sampling gun 1, a sampling aspirator 3, a gas-powder separator 5, an oil press 7, a laser induced analysis unit 11, a sliding cake die 13, a sliding base 14, a stock form aspirator 16 and a sample crusher 20; the multipoint wear-resistant sampling gun 1 is arranged on a pulverized coal pipeline 24; the multipoint wear-resistant sampling gun 1 is connected with a sampling suction device 3 on a sampling station through a sampling exhaust pipe 2; the discharge port of the sampling aspirator 3 is connected with the gas-powder separator 5 through a conveying hose; the gas-powder separator 5 is fixedly arranged on the lifting slide rail 4, and the lifting slide rail 4 is provided with a driving motor; the bottom of the gas-powder separator 5 is provided with a sealing ring 6; a molding station is arranged on the right side of the sampling station; the oil press 7 is arranged on the molding station; a first double-row sliding rail is arranged below the sampling station and the molding station; the sliding base 14 is arranged on the first double-row sliding rail; a second double-row sliding rail is arranged on the sliding base 14; the sliding cake die 13 is arranged on the double-row sliding rails II; the left sides of the sliding cake mould 13 and the sliding base 14 are respectively provided with a corresponding cake mould cylinder 17 and a corresponding base cylinder 18; the piston rod end of the cake mould cylinder 17 is connected with the sliding cake mould 13; the piston rod end of the base cylinder 18 is connected with the sliding base 14; a cake stripping station is arranged on the right side of the mold making station; a cake removing cylinder 8 is arranged on the cake removing station; the lower part of the cake removing cylinder 8 is provided with a cake pushing rod; when the sliding cake mould 13 is positioned in the cake removing cylinder, the mould outlet of the sliding cake mould is connected with the feed inlet of the laser induced analysis unit 11 through the sample introduction chute 9; a transmission belt 10, a first position sensor 23, a high-energy pulse laser and a coal cake component detection analyzer are arranged in the laser induction analysis unit 11; a display controller 12 is arranged on the laser induction analysis unit 11; the coal cake component detection analyzer is electrically connected with the display controller 12; the display controller 12 is connected to the monitor through a network; the discharge hole of the laser induction analysis unit 11 is connected with the feed hole 21 of the sample crusher through a sample discharge chute 22; a position sensor II is arranged at a feed port 21 of the sample crusher; the powder collecting port 19 of the sample crusher is connected with the stock form aspirator 16 through a conveying hose; the discharge hole of the stock layout aspirator 16 is connected with a pulverized coal pipeline 24 through a stock layout exhaust pipe 15;
the multipoint wear-resistant sampling gun 1 is fixedly arranged on the pulverized coal pipeline 24 through a flange, so that the multipoint wear-resistant sampling gun is convenient to maintain and replace; meanwhile, the wear-resistant corundum is sleeved on the outer side of the multipoint wear-resistant sampling gun 1, so that the multipoint wear-resistant sampling gun 1 can be used for a long time under the washing of pulverized coal flow and is not worn, and the representativeness, the continuity and the stability of pulverized coal sampling are ensured;
referring to fig. 2, when sampling is required, the multipoint wear-resistant sampling gun 1 extracts pulverized coal airflow in the pulverized coal pipeline 24 through negative pressure generated by the sampling aspirator 3, and then separates pulverized coal through the air-powder separator 5; the gas-powder separator 5 is pressed and sealed on a material storage port of the sliding cake die 13 downwards along the lifting slide rail 4 through a sealing ring 6 under the action of a driving motor, and the pulverized coal separated by the gas-powder separator 5 enters the material storage port of the sliding cake die 13 from a material discharge port of the gas-powder separator; after sampling is finished, the gas-powder separator 5 moves upwards along the lifting slide rail 4 under the action of the driving motor to separate from the sliding cake mould 13, and because the sampling air extractor 3 is not closed at the moment, the feed opening of the gas-powder separator 5 is still in a negative pressure state, redundant coal powder enters the coal powder pipeline 24 again through the sampling exhaust pipe 2 under the suction of the sampling air extractor 3, so that the scattered coal powder is prevented from polluting the environment;
referring to fig. 3, the sliding base 14 slides from the sampling station to the cake making station under the push of the base cylinder 18; under the high pressure action of an oil press 7 at a cake making station, soft coal powder is pressed into a cake-shaped sample in a material receiving port of a sliding cake die 13; after the briquette pressing is finished, the pressing head of the oil press 7 retreats from the sliding briquette die 13 and returns to the initial position;
referring to fig. 4, after the pressing of the briquette sample is completed, the sliding briquette mold 13 is separated from the sliding base 14 under the pushing action of the briquette mold cylinder 17 and reaches a briquette stripping station; after the sliding cake mold 13 reaches the cake removing station, the cake removing cylinder 8 extends out of the cake pushing rod to push the coal cake sample in the sliding cake mold 13 into the sample introduction chute 9, the coal cake sample enters the transmission belt 10 in the laser induced analysis unit 11 through the sample introduction chute 9, and the coal cake sample is conveyed to the detection station through the transmission belt 10;
after the first position sensor 23 detects a coal cake in-place signal, the laser-induced analysis unit 11 automatically focuses the coal cake sample, so that the coal cake surfaces with different thicknesses can be exactly positioned at a focusing position every time, and the energy stability is realized; after the focusing is successful, the high-energy pulse laser emits high-energy pulse laser beams to ablate the coal cake, and the full-element components of the coal cake are quantitatively detected by a coal cake component detection analyzer through plasma emission spectra generated by the ablation; after the detection of the whole element components of the coal cake is finished, the coal quality information is displayed on the display controller 12 in real time and uploaded to a monitor of a monitoring worker;
the detected coal cake sample enters a crusher feed inlet 21 at the top of the sample crusher 20 through a sample outlet chute 22 and is temporarily stored therein; when the position sensor II detects that the number of the coal cake samples stored in the feeding hole 21 of the sample crusher reaches a certain number, the sample crusher 20 is electrified and started once, the blades of the sample crusher 20 rotating at a high speed can crush the coal cake samples into coal powder again, and the coal powder returns to the coal powder pipeline through the sample exhaust pipe 15 under the negative pressure suction effect of the sample exhaust sucker 16.
The novel coal powder pipeline on-line coal quality analyzer has the advantages of high detection speed, complete detection element types, high detection precision, good environmental safety and the like, can quickly and accurately detect the total element components of a coal powder sample in a coal powder pipeline, and analyzes and calculates various industrial indexes of coal powder.
The above description is only for the purpose of illustrating the technical solutions of the present invention, and is not intended to limit other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention, so long as they do not depart from the spirit and scope of the technical solutions of the present invention, they should be covered in the scope of the claims of the present invention.
Claims (6)
1. A novel online coal quality analyzer for a pulverized coal pipeline is characterized by comprising a multipoint wear-resistant sampling gun, a sampling suction device, a gas-powder separator, an oil press, a laser induced analysis unit, a sliding cake die, a sliding base, a sample discharge suction device and a sample crusher; the multipoint wear-resistant sampling gun is arranged on the pulverized coal pipeline; the multipoint wear-resistant sampling gun is connected with a sampling suction device on a sampling station through a sampling exhaust pipe; the discharge port of the sampling aspirator is connected with the gas-powder separator through a conveying hose; a molding station is arranged on the right side of the sampling station; the oil press is arranged on the molding station; a first sliding rail is arranged below the sampling station and the molding station; the sliding base is arranged on the first sliding rail; a second sliding rail is arranged on the sliding base; the sliding cake die is arranged on the sliding rail II; the left sides of the sliding cake mould and the sliding base are respectively provided with a corresponding cake mould cylinder and a corresponding base cylinder; a cake stripping station is arranged on the right side of the mold making station; a cake removing cylinder is arranged on the cake removing station; when the sliding cake die is positioned in the cake stripping cylinder, a die outlet of the sliding cake die is connected with a feed inlet of the laser induced analysis unit through a sample injection chute; the discharge hole of the laser-induced analysis unit is connected with the feed inlet of the sample crusher through the sample discharge chute; the powder collecting port of the sample crusher is connected with the stock discharge aspirator through a conveying hose; the discharge hole of the stock layout aspirator is connected with the pulverized coal pipeline through a stock layout exhaust pipe.
2. The novel pulverized coal pipeline on-line coal quality analyzer as claimed in claim 1, wherein the multipoint wear-resistant sampling gun is fixedly mounted on the pulverized coal pipeline through a flange; the outer side of the multipoint wear-resistant sampling gun is sleeved with wear-resistant corundum.
3. The novel coal powder pipeline on-line coal quality analyzer as claimed in claim 1, wherein the gas-powder separator is fixedly mounted on the lifting slide rail, and a sealing ring is arranged at the bottom of the gas-powder separator; the lifting slide rail is provided with a driving motor.
4. The novel pulverized coal pipeline on-line coal quality analyzer as claimed in claim 1, wherein the first sliding rail and the second sliding rail both adopt double rows of sliding rails.
5. The novel pulverized coal pipeline on-line coal quality analyzer as claimed in claim 1, wherein a transmission belt, a first position sensor, a high-energy pulse laser and a coal cake component detection analyzer are arranged in the laser-induced analysis unit; a display controller is arranged on the laser induction analysis unit; the coal cake component detection analyzer is electrically connected with the display controller; the display controller is connected to the monitor through a network.
6. The novel pulverized coal pipeline on-line coal quality analyzer as claimed in claim 1, wherein a second position sensor is arranged at a feed inlet of the sample pulverizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273545.8U CN210401222U (en) | 2019-03-05 | 2019-03-05 | Novel online coal quality analyzer for pulverized coal pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273545.8U CN210401222U (en) | 2019-03-05 | 2019-03-05 | Novel online coal quality analyzer for pulverized coal pipeline |
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| CN210401222U true CN210401222U (en) | 2020-04-24 |
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| CN201920273545.8U Active CN210401222U (en) | 2019-03-05 | 2019-03-05 | Novel online coal quality analyzer for pulverized coal pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875276A (en) * | 2021-01-11 | 2021-06-01 | 南京南环自动化技术有限公司 | Totally-enclosed automatic material taking and discharging and waste material recycling system for coal cakes |
| WO2022126695A1 (en) * | 2020-12-15 | 2022-06-23 | 华中科技大学 | Online powder detection apparatus based on laser‑induced breakdown spectroscopy |
-
2019
- 2019-03-05 CN CN201920273545.8U patent/CN210401222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126695A1 (en) * | 2020-12-15 | 2022-06-23 | 华中科技大学 | Online powder detection apparatus based on laser‑induced breakdown spectroscopy |
| CN112875276A (en) * | 2021-01-11 | 2021-06-01 | 南京南环自动化技术有限公司 | Totally-enclosed automatic material taking and discharging and waste material recycling system for coal cakes |
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