CN210487394U

CN210487394U - Sampling detection device for detecting carbon content of coal-fired fly ash

Info

Publication number: CN210487394U
Application number: CN201921106208.6U
Authority: CN
Inventors: 王京; 胡昔兵; 钱鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-05-08
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a sample detection device for coal-fired flying dust carbon content detects, including flue gas pipeline, the sampler, first pipeline, the second pipeline, first separator, the second separator, the output pipeline, the variable speed fan, the storage bottle, air velocity transducer and control panel, the sampler is connected with first separator through first pipeline, first separator passes through the connecting tube and is connected with the second pipeline, the second pipeline passes through the connecting tube and is connected with the second separator, the ash hole of first separator and second separator all is connected with the storage bottle, second pipeline and output pipeline are connected, all be provided with the variable speed fan on second pipeline and the output pipeline, air velocity transducer sets up respectively in sampler and second pipeline. The utility model discloses automatic ash sample is collected at random to the constant speed, is provided with dual separation simultaneously, improves the accuracy that detects, can the blowback prevent the pipe blockage, and the practicality is strong.

Description

Sampling detection device for detecting carbon content of coal-fired fly ash

Technical Field

The utility model relates to a sampling test device for coal-fired flying dust carbon content detects belongs to check out test set technical field.

Background

The fly ash sampler is mainly applied to fly ash sampling on a boiler flue, and is a process of utilizing compressed air as power to act on a Venturi nozzle to generate negative pressure, sucking the fly ash in the flue into a separator, enabling the separated fly ash to fall into an ash bucket and then into a sampling bottle, and pumping exhaust gas into the flue again. The sampling method of the carbon content of the coal dust and the fly ash of domestic power plants basically adopts impact type sampling and separation or accumulation type sampling.

However, most of the existing samplers are fixed in a flue gas pipeline, the dust content in the flue gas of the flue gas pipeline is not uniform, so that the obtained samples do not have strong representativeness, most of the samplers are difficult to sample at a constant speed, the detection accuracy is influenced, most of the existing sampling devices are provided with a separator, sometimes, the smoke and dust separation is not thorough, the detection result is influenced, the pipeline of the existing samplers is easy to block, and the sampling detection device for detecting the carbon content in the coal-fired fly ash is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sample detection device for coal-fired fly ash carbon content detects to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sample detection device for coal-fired fly ash carbon content detects, includes flue gas pipeline, sampler, first pipeline, second pipeline, first separator, second separator, output pipeline, variable speed fan, sample storage bottle, air velocity transducer and control panel, the sampler is connected with first separator through first pipeline, first separator is connected with second pipeline through connecting tube, second pipeline is connected with the second separator through connecting tube, the ash outlet of first separator and second separator all is connected with sample storage bottle, second pipeline is connected with output pipeline, all be provided with variable speed fan on second pipeline and the output pipeline, air velocity transducer sets up respectively in sampler and second pipeline, control panel includes control system, first separator, second separator, The second separator, the variable speed fan and the wind speed sensor are electrically connected with the control panel.

Preferably, the sampler includes a plurality of sampling heads, and a plurality of sampling heads are connected with first pipeline through the pivot, be provided with the blade on the sampling head, the blade becomes certain angle with the sampling head.

Preferably, a variable speed fan is arranged on the first conveying pipeline, and an electromagnetic valve is arranged on a connecting pipeline of the variable speed fan.

Preferably, the first conveying pipeline and the output pipeline are both provided with electromagnetic valves.

Preferably, the control system comprises a processing circuit module, a first separator module, a second separator module, a wind speed sensing module, a fan module and an electromagnetic valve module.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a sample detection device for coal-fired flying dust carbon content detects can rotate under the wind-force effect of flue gas pipeline through the sampler that sets up to make the sampler can absorb the flue gas of the different positions of flue gas pipeline, improve the detection accuracy.

The utility model discloses the air velocity transducer who sets up and variable speed fan can make the sampler can the constant speed sample, improve the accuracy that detects, are provided with the dual separation and improve the detection precision.

The utility model discloses be provided with the variable speed fan on pipeline, can effectively prevent the pipeline jam, the utility model discloses simple structure, convenient operation, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the control system of the present invention;

in the figure: 1. a flue gas duct; 2. a sampler; 3. a first delivery conduit; 4. a second delivery conduit; 5. a first separator; 6. a second separator; 7. an output pipe; 8. a variable speed fan; 9. a sample storage bottle; 10. a wind speed sensor; 11. a control panel; 12. connecting a pipeline; 13. an ash outlet; 14. a control system; 15. a sampling head; 16. a rotating shaft; 17. a blade; 18. an electromagnetic valve; 19. a processing circuit module; 20. a first separator module; 21. a second separator module; 22. a wind speed sensing module; 23. a fan module; 24. solenoid valve module.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a sampling detection device for detecting the carbon content of coal-fired fly ash comprises a flue gas pipeline 1, a sampler 2, a first conveying pipeline 3, a second conveying pipeline 4, a first separator 5, a second separator 6, an output pipeline 7, a variable speed fan 8, a sample storage bottle 9, an air speed sensor 10 and a control panel 11, wherein the sampler 2 is connected with the first separator 5 through the first conveying pipeline 3, the first separator 5 is connected with the second conveying pipeline 4 through a connecting pipeline 12, the second conveying pipeline 4 is connected with the second separator 6 through a connecting pipeline 12, ash outlets 13 of the first separator 5 and the second separator 6 are both connected with the sample storage bottle 9, the second conveying pipeline 4 is connected with the output pipeline 7, the second conveying pipeline 4 and the output pipeline 7 are both provided with the variable speed fan 8, the air speed sensor 10 is respectively arranged in the sampler 2 and the second conveying pipeline 4, the control panel 11 comprises a control system 14, and the first separator 5, the second separator 6, the variable speed fan 8 and the wind speed sensor 10 are electrically connected with the control panel 11.

Further, sampler 2 includes a plurality of sampling heads 15, and a plurality of sampling heads 15 are connected with first pipeline 3 through pivot 16, be provided with blade 17 on the sampling head 15, blade 17 and sampling head 15 become certain angle.

Further, a variable speed fan 8 is arranged on the first conveying pipeline 3, and an electromagnetic valve 18 is arranged on a connecting pipeline 12 of the variable speed fan 8.

Furthermore, electromagnetic valves 18 are arranged on the first conveying pipeline 3 and the output pipeline 7.

Further, the control system 14 includes a processing circuit module 19, a first separator module 20, a second separator module 21, a wind speed sensing module 22, a fan module 23, and a solenoid valve module 24.

The working principle is as follows: the utility model relates to a sampling test device for coal-fired flying dust carbon content detection, in use, firstly, through the operation of control panel 11 control device, electromagnetic valve module 24 in control system 14 controls electromagnetic valve 18 on first pipeline 3 and second pipeline 4 to close, wind speed sensor 10 arranged on sampler 2 feeds back wind speed value signal to processing circuit module 19 through wind speed sensing module 22, processing circuit module 19 controls variable speed fan 8 on second pipeline 4 and output pipeline 7 to work through fan module 23 according to signal value, so that the wind speed value of wind speed sensor 10 on second pipeline 5 is consistent with the wind speed value of wind speed sensor 10 on sampler 2, realize the constant speed sampling of sampler 2, simultaneously the flue gas of flue gas pipeline 1 acts on blade 17 on sampling head 15, make sampling head 15 rotate, therefore, the sampling head 15 can obtain the smoke at different positions of the smoke pipeline 1, uniform sampling is realized, the detection accuracy is improved, the smoke enters the first separator 5 through the first conveying pipeline 3, the first separator module 20 and the second separator module 21 control the first separator 5 and the second separator 6 to work, the first separator 5 separates the smoke, the rest smoke enters the second separator 6 through the second conveying pipeline 4 to be separated, then the separated smoke is conveyed back to the smoke pipeline 1 again through the output pipeline 7, when the pipelines are cleaned, the electromagnetic valve 18 on the output pipeline 7 is controlled to be closed through the control panel 11, the variable speed fans 8 arranged on the first conveying pipeline 3, the second conveying pipeline 4 and the output pipeline 7 are opened to the maximum wind speed, and the residual dust in the first conveying pipeline 3, the second conveying pipeline 4 and the connecting pipeline 12 is back blown to the smoke pipeline 1 through the sampler 2, the first conveying pipeline 3 and the second conveying pipeline 4 are cleaned, and meanwhile the accuracy of the next detection is guaranteed.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

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

1. A sampling test device for detecting the carbon content of coal-fired fly ash is characterized in that: comprises a flue gas pipeline (1), a sampler (2), a first conveying pipeline (3), a second conveying pipeline (4), a first separator (5), a second separator (6), an output pipeline (7), a variable speed fan (8), a sample storage bottle (9), a wind speed sensor (10) and a control panel (11), wherein the sampler (2) is connected with the first separator (5) through the first conveying pipeline (3), the first separator (5) is connected with the second conveying pipeline (4) through a connecting pipeline (12), the second conveying pipeline (4) is connected with the second separator (6) through a connecting pipeline (12), ash outlets (13) of the first separator (5) and the second separator (6) are both connected with the sample storage bottle (9), the second conveying pipeline (4) is connected with the output pipeline (7), the variable speed fan (8) is respectively arranged on the second conveying pipeline (4) and the output pipeline (7), air velocity transducer (10) sets up respectively in sampler (2) and second pipeline (4), control panel (11) include control system (14), first separator (5), second separator (6), variable speed fan (8) and air velocity transducer (10) and control panel (11) electric connection.

2. The sampling and detecting device for detecting the carbon content of the fly ash of the coal as claimed in claim 1, wherein: sampler (2) include a plurality of sampling heads (15), and a plurality of sampling heads (15) are connected with first pipeline (3) through pivot (16), be provided with blade (17) on sampling head (15), blade (17) and sampling head (15) become certain angle.

3. The sampling and detecting device for detecting the carbon content of the fly ash of the coal as claimed in claim 1, wherein: the first conveying pipeline (3) is provided with a variable speed fan (8), and a connecting pipeline (12) of the variable speed fan (8) is provided with an electromagnetic valve (18).

4. The sampling and detecting device for detecting the carbon content of the fly ash of the coal as claimed in claim 1, wherein: and the first conveying pipeline (3) and the output pipeline (7) are both provided with electromagnetic valves (18).

5. The sampling and detecting device for detecting the carbon content of the fly ash of the coal as claimed in claim 1, wherein: the control system (14) comprises a processing circuit module (19), a first separator module (20), a second separator module (21), a wind speed sensing module (22), a fan module (23) and a solenoid valve module (24).