CN211740753U - Quick flying ash sampling device - Google Patents
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- CN211740753U CN211740753U CN201921238866.0U CN201921238866U CN211740753U CN 211740753 U CN211740753 U CN 211740753U CN 201921238866 U CN201921238866 U CN 201921238866U CN 211740753 U CN211740753 U CN 211740753U
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Abstract
The utility model discloses a rapid flying ash sampling device, which comprises a sampling tube, wherein the tube wall of the sampling tube is uniformly provided with a plurality of flying ash collecting holes; the sampling tube is provided with a positioner, and the positioner can move relative to the sampling tube; the ash storage pipe is installed at one end of the locator far away from the sampling pipe, and the end of the ash storage pipe far away from the locator is connected with the plugging piece. The utility model discloses a set up switch valve so that clear up inside deposition, the connected mode of improving ash storage pipe and locator is convenient for take out the sample deposition in the general words.
Description
Technical Field
The utility model relates to a power plant boiler flue gas flying dust sample field, it is specific, relate to a swift flying dust sampling device.
Background
In a thermal power plant, fly ash is an inevitable product generated in a pulverized coal combustion process, and the carbon content of the fly ash is an important index reflecting the operation condition of a boiler. By detecting the carbon content of the fly ash, the operation can be guided to correctly adjust the air-coal ratio, and the combustion control level of the boiler is improved; reasonably controlling the carbon content index of the fly ash, being beneficial to reducing the power generation cost and improving the economical efficiency of the unit operation. Most of the present fly ash sampling devices are mostly used for horizontal flues, and sometimes fly ash sampling is required to be carried out on vertical flues, so that accurate data can be provided for effectively capturing fly ash; the sampling and testing of the fly ash of the boiler are important daily works, whether the sampling of the fly ash is convenient and whether the obtained sample is representative directly influence the combustion adjustment mode of the boiler, thereby influencing the economical efficiency of a unit.
The inventor thinks that most of the fly ash sampling devices of the power plant boiler are arranged at the bottom ash hopper of the electric dust collector, and the following problems exist: firstly, because the carbon content of the fly ash of each electric field is inconsistent, inaccurate sampling is easily caused; old accumulated dust at the collecting position of the electric dust removal dust sample is not easy to clean, and the sampling accuracy cannot be ensured; the electric dust collection device is unreasonable in design and easy to scald collection personnel and pollute the environment; through market research, the price of the fly ash sampling device sold in the market is mostly 10-50 ten thousand yuan, one-time investment is large, the problems of high maintenance cost, slow sampling, complex operation and the like exist, and the use cost performance is not high.
SUMMERY OF THE UTILITY MODEL
To current power boiler flying dust sampling device because the sampling is inaccurate, difficult clearance, scald easily and gather personnel and polluted environment not enough, the utility model aims at providing a swift flying dust sampling device, its deposition through setting up switching valve so that clear up inside, the connected mode of saying so improving ash storage pipe and locator is convenient for take out the sample deposition.
In order to realize the purpose of the utility model, the utility model discloses a following technical scheme:
the utility model discloses a rapid fly ash sampling device, which comprises a sampling tube, wherein the tube wall of the sampling tube is uniformly provided with a plurality of fly ash collecting holes; the sampling tube is provided with a positioner, and the positioner can move relative to the sampling tube; the ash storage pipe is installed at one end of the locator far away from the sampling pipe, and the end of the ash storage pipe far away from the locator is connected with the plugging piece.
Furthermore, a switch valve is arranged in the middle of the ash storage pipe.
Further, the fly ash collecting hole is a square hole.
Further, the distances between the adjacent fly ash collecting holes are equal.
Furthermore, a limiting external thread and a positioning indication mark are arranged on the positioner.
Further, the sampling tube is a stainless steel tube.
Further, the outer wall of the sampling pipe which can be inserted into the flue part is coated with an anti-abrasion coating.
Further, an anti-scald sleeve is sleeved on the outer wall of the ash storage pipe.
Further, the positioner is provided with a positioning mark along the direction of the sampling pipe.
The principle and the using method of the utility model are as follows:
(1) a hole is formed in the designated position of the flue, a pipe fitting with an internal thread is installed at an inclination angle of 30-45 degrees in a welding mode, and the size of the internal thread of the pipe fitting and the size of the external thread of a positioner 4 of the rapid fly ash sampling device accord with the assembly size;
(2) the rapid fly ash sampling tube is installed at a specified position of a boiler flue through threaded connection at an inclination angle of 30-45 degrees, and the fly ash collecting hole 6 is opposite to the flow direction of flue gas through adjusting a positioner;
(3) the valve and the plugging piece are firmly installed but are not too tight, so that the valve and the plugging piece can be conveniently and directly disassembled by a worker with hands;
among these, it is noted that:
(1) before the fly ash is collected, the valve is opened, the plugging piece is detached, the fly ash sampling tube is lightly knocked, and the fly ash accumulated in the device is sucked into the sampling tube by utilizing the flue negative pressure principle so as to ensure the accuracy of ash taking.
(2) And (3) installing a plugging piece, starting to collect an ash sample, taking ash within about 10 minutes, lightly knocking the quick fly ash sampling tube, and collecting the collected ash sample into the ash storage tube under the action of gravity.
(3) And closing the valve, detaching the ash storage pipe, putting the collected ash sample into a sample bag after the ash sample is cooled, and marking the position and time for collecting the ash sample.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained:
(1) through the arranged switch valve, the dust accumulated in the dust storage pipe is convenient to disassemble and clean, so that the blockage is prevented; the outer end of the ash storage pipe is additionally provided with a plugging piece through threaded connection, so that accumulated ash of a sample can be conveniently taken out;
(2) the sampling tube is fixedly sleeved with the positioner, and the outer part of the positioner is provided with the external thread which is matched with the sampling hole preassembled in the flue, so that the fly ash sampling device can be fixed and adjusted in direction through the positioner, a user can conveniently fix and install the sampling tube on the flue, and meanwhile, the flue gas is prevented from being diffused out through the sampling hole;
(3) the utility model discloses simple structure, the equipment is convenient, and can accomplish fast, accurate, convenient sample, satisfies the needs that the fly ash detected at any time of power plant completely, need not maintain basically to the complete equipment production, installation, debugging expense are cheap, and compare with like product, more have the practicality
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic overall structure diagram of the embodiment.
In the figure, 1-a blocking piece, 2-an ash storage pipe, 3-a valve, 4-a positioner, 5-a sampling pipe and 6-a fly ash collecting hole.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Just as the background art, to current power boiler flying dust sampling device because the sampling is inaccurate, difficult clearance, scald easily and gather personnel and polluted environment not enough, the utility model aims at providing a swift flying dust sampling device, it is convenient for clear up inside deposition through setting up switching valve, and the connected mode of saying so improving ash storage pipe and locator is convenient for take out the sample deposition, and it is right to combine attached drawing and embodiment now the utility model discloses further explain.
Examples
Referring to fig. 1, the present embodiment discloses a fast fly ash sampling device, which includes a sampling tube, wherein the wall of the sampling tube is uniformly provided with 3 fly ash collecting holes, and in other embodiments, the number of the fly ash collecting holes may be other than 1; the sampling tube is provided with the positioner in a threaded manner, specifically, the outer surface of one section of the sampling tube is provided with an internal thread, the inner side of the connecting end of the positioner and the sampling tube is provided with an external thread, and the positioner and the sampling tube are connected through the thread, so that the positioner can move relative to the sampling tube, a fly ash sampling device can fix and adjust the direction through the positioner, a user can conveniently fix and install the sampling tube on a flue, and meanwhile, smoke is prevented from diffusing out through the sampling hole; the ash storage pipe is installed at one end of the locator far away from the sampling pipe, and the end of the ash storage pipe far away from the locator is connected with the plugging piece.
Specifically, the rear end of the sampling tube is open, the front end of the sampling tube is closed, and the front and the rear of the sampling tube are relative to the flow direction of the flue gas and are front towards the flow direction of the flue gas; the sampling tube is provided with 3 fly ash collecting holes which are arranged along the flowing direction of the flue gas.
In particular, the locator is a tubular body with an ear at the end.
Specifically, the plugging piece is a plug.
The ash storage pipe middle part is provided with switch valve, and is concrete, the ash storage pipe is hollow pipe, and the one end of ash storage pipe is connected with the locator, consequently ash storage pipe middle part is equipped with switch valve, can form one section confined area relatively, and the inside deposition of ash storage pipe is cleared up to convenient to detach.
The fly ash collecting hole is a square hole, and the specific specification is 100mm x 20 mm.
The spacing between adjacent fly ash collecting holes is equal, specifically 200 mm.
Be provided with spacing external screw thread and location indicator on the locator, it is concrete, the locator is provided with the positioning mark along sampling tube axial direction, and the location can be the mark of applying paint with a brush, also can be the recess of seting up on the locator surface, and the setting of positioning mark is convenient for the audio-visual position of judging the flying dust collection hole of user, and then judges the degree of depth and the flying dust collection hole of injecting the flue and whether to the flue gas flow direction.
The sampling tube is stainless steel pipe, and is concrete, and the sampling tube adopts 304 stainless steel to make, and sampling tube pipeline diameter is 50mm, and sampling tube wall thickness is 4 mm.
The outer wall of the sampling pipe which can be inserted into the flue part is coated with an anti-abrasion coating.
The outer wall of the ash storage pipe is sleeved with an anti-scald sleeve.
The principle and the using method of the utility model are as follows:
(1) a hole is formed in the designated position of the flue, a pipe fitting with an internal thread is installed at an inclination angle of 30-45 degrees in a welding mode, and the size of the internal thread of the pipe fitting and the size of the external thread of a positioner of the rapid fly ash sampling device accord with the assembly size;
(2) the rapid fly ash sampling tube is installed at a specified position of a boiler flue through threaded connection at an inclination angle of 30-45 degrees, and the fly ash collecting hole 6 is opposite to the flow direction of flue gas through adjusting a positioner;
(3) the valve and the plugging piece are firmly installed but are not too tight, so that the valve and the plugging piece can be conveniently and directly disassembled by a worker with hands;
among these, it is noted that:
(1) before the fly ash is collected, the valve is opened, the plugging piece is detached, the fly ash sampling tube is lightly knocked, and the fly ash accumulated in the device is sucked into the sampling tube by utilizing the flue negative pressure principle so as to ensure the accuracy of ash taking.
(2) And (3) installing a plugging piece, starting to collect an ash sample, taking ash within about 10 minutes, lightly knocking the quick fly ash sampling tube, and collecting the collected ash sample into the ash storage tube under the action of gravity.
(3) And closing the valve, detaching the ash storage pipe, putting the collected ash sample into a sample bag after the ash sample is cooled, and marking the position and time for collecting the ash sample.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rapid fly ash sampling device is characterized by comprising a sampling tube, wherein the tube wall of the sampling tube is uniformly provided with a plurality of fly ash collecting holes; the sampling tube is provided with a positioner, and the positioner can move relative to the sampling tube; the ash storage pipe is installed at one end of the locator far away from the sampling pipe, and the end of the ash storage pipe far away from the locator is connected with the plugging piece.
2. The fast fly ash sampling device of claim 1, wherein a switch valve is disposed in the middle of the ash storage pipe.
3. The fly ash sampling device of claim 1, wherein the fly ash collection hole is a square hole.
4. The fly ash sampling device of claim 1, wherein adjacent fly ash collection holes are equally spaced.
5. The fast fly ash sampling device of claim 1, wherein the positioner is provided with a limiting external thread and a positioning indicator.
6. The fly ash sampling device of claim 5, wherein the positioning indicator is disposed axially along the sampling tube.
7. The fast fly ash sampling device of claim 1, wherein the sampling tube is a stainless steel tube.
8. The fly ash rapid sampling device of claim 1, wherein the outer wall of the sampling tube that can be inserted into the flue section is coated with an anti-wear coating.
9. The rapid fly ash sampling device of claim 1, wherein an anti-burn sleeve is sleeved on the outer wall of the ash storage pipe.
10. The flash fly ash sampling device of claim 1, wherein the sampling tube is open at a rear end and closed at a front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238866.0U CN211740753U (en) | 2019-07-31 | 2019-07-31 | Quick flying ash sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238866.0U CN211740753U (en) | 2019-07-31 | 2019-07-31 | Quick flying ash sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211740753U true CN211740753U (en) | 2020-10-23 |
Family
ID=72849433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921238866.0U Active CN211740753U (en) | 2019-07-31 | 2019-07-31 | Quick flying ash sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211740753U (en) |
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2019
- 2019-07-31 CN CN201921238866.0U patent/CN211740753U/en active Active
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