CN218035899U - Accumulation type automatic adsorption sealing fly ash sampling device - Google Patents
Accumulation type automatic adsorption sealing fly ash sampling device Download PDFInfo
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- CN218035899U CN218035899U CN202221753722.0U CN202221753722U CN218035899U CN 218035899 U CN218035899 U CN 218035899U CN 202221753722 U CN202221753722 U CN 202221753722U CN 218035899 U CN218035899 U CN 218035899U
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Abstract
The utility model relates to a flying ash sampling device with accumulation type automatic adsorption sealing, which comprises a sampling tube extending into a flue, wherein the sampling tube is vertical to the flow direction of flue gas, a plurality of sampling holes are arranged on the pipe wall of the flow-facing side of the sampling tube, and the sampling holes are communicated with the inside of the sampling tube; an accumulation type automatic adsorption sealing mechanism is arranged in a sampling pipe outside the flue; the falling type automatic adsorption sealing mechanism comprises a material receiving plate fixed with the inner wall of the sampling pipe, the middle part of the material receiving plate is provided with an ash falling port, the ash falling port is provided with a baffle capable of moving up and down, the baffle moves up to be in contact with the material receiving plate to block the ash falling port, and the baffle moves down to open the ash falling port; the lower end of the sampling tube is detachably connected with the sampling bottle. The utility model discloses effectively avoided the sample inaccurate, problem that the rate of leaking out increases.
Description
Technical Field
The utility model relates to a flying dust sampling technical field especially relates to a sealed flying dust sampling device of accumulation formula automatic absorption.
Background
The fly ash refers to fine ash particles which enter a tail flue along with flue gas after fuel is combusted in a boiler furnace, and the mass of unburned carbon in the fly ash accounts for the percentage of the fly ash quantity, which is called as the combustible content of the fly ash. The combustible content in the fly ash is a main technical index reflecting the combustion effect of the boiler. In the daily operation of the coal-fired boiler, a fly ash sample needs to be collected regularly to measure the content of the fly ash combustible so as to monitor the quality of the combustion common working condition of the boiler and improve the thermal efficiency of the boiler.
In the aspect of greenhouse gas emission control, the carbon content of fly ash is used as an important component factor of oxidation rate, the accuracy of measurement directly influences the total carbon emission amount of enterprises, the sampling operation of the conventional fly ash sampling device is carried out three times every day during sampling, the sampling door is easy to close due to frequent operation, cold air enters a boiler, and the following problems are caused: firstly, the air leakage rate of the boiler is increased, the smoke exhaust loss is increased, and meanwhile, the current of an induced draft fan is also increased, so that the plant power rate is increased; secondly, after cold air enters the sampling tube, fine particles in the fly ash are taken away, so that sampling data are inaccurate, and even qualified samples cannot be taken in serious cases.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a sealed flying dust sampling device of accumulation formula automatic absorption.
The utility model is realized by the following technical proposal, provides a landing type fly ash sampling device with automatic adsorption and sealing, which comprises a sampling tube extending into a flue, wherein the sampling tube is vertical to the flow direction of flue gas, a plurality of sampling holes are arranged on the tube wall of the flow-facing side of the sampling tube, and the sampling holes are communicated with the inside of the sampling tube; an accumulation type automatic adsorption sealing mechanism is arranged in a sampling pipe outside the flue; the falling type automatic adsorption sealing mechanism comprises a material receiving plate fixed with the inner wall of the sampling pipe, an ash falling port is arranged in the middle of the material receiving plate, a baffle capable of moving up and down is arranged at the ash falling port, the baffle moves up to be in contact with the material receiving plate to block the ash falling port, and the baffle moves down to open the ash falling port; the lower end of the sampling tube is detachably connected with the sampling bottle.
Preferably, a first magnet is installed on the baffle, a supporting block is installed below the baffle, the supporting block is fixed with the inner wall of the sampling tube through a supporting rod, a second magnet is installed on the supporting block, and the first magnet and the second magnet are homopolar magnets. The baffle plate moves upwards through the repulsive force of the first magnet and the second magnet to block the ash falling port.
Preferably, a vertical guide rod is installed at the bottom of the baffle plate, and the guide rod sequentially penetrates through the first magnet, the second magnet and the supporting block. When the baffle moves up and down, the guide rod plays a role in guiding, so that the baffle can stably move up and down. The guide rods are arranged in parallel front and back.
Preferably, a sealing ring is arranged on the contact surface of the material receiving plate and the baffle.
Preferably, the sealing ring is at least two rings, and when the baffle moves upwards to contact with the material receiving plate, sealing is realized through the sealing ring, so that ash leakage is avoided.
Preferably, the plurality of sampling holes are uniformly distributed from top to bottom, the sampling holes are positioned in the middle of the flue, and the sampling holes are communicated with the inside of the sampling tube.
Preferably, the sampling hole is located at the middle position of the flue.
Preferably, the material receiving plate is of an inclined plane structure with a low middle part and high side edges.
Preferably, the baffle is of a conical surface structure with a high middle part and low side edges.
Preferably, a manual normally open valve is installed in the sampling pipe below the accumulation type automatic adsorption sealing mechanism. The manual normally open valve is a manual butterfly valve, and is in an open state under a normal state.
Preferably, the lower end of the sampling tube is in threaded connection with the sampling bottle.
Preferably, the sampling tube lower extreme stretches into in the sampling case, sets up the sample door that can open, close on the sampling case, opens the sample door and can get and put the sample bottle.
The utility model has the advantages that:
1. the utility model discloses simple structure, the sampling tube is in the flue, and the flying dust is by the thief hole entering sampling tube, then falls into the sampling bottle, can not have the problem that cold wind got into the boiler, has solved the boiler rate of leaking out that causes after current sampling mode sample gate opens and shuts many times and has increased, and the loss increase of discharging fume can reduce boiler wind smoke volume simultaneously, reduces the draught fan electric current, reduces the power plant rate of using electricity.
2. Cold air is prevented from entering the sampling tube to take away fine particles in the fly ash, and the accuracy of sampling data is improved; the accuracy of the total carbon emission data can be ensured, and reliable data support is provided for enterprises in carbon emission trading.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of A in FIG. 1;
shown in the figure:
1. flue, 2, sampling tube, 3, thief hole, 4, connect the flitch, 5, baffle, 6, first magnet, 7, supporting shoe, 8, branch, 9, second magnet, 10, sealing washer, 11, guide bar, 12, manual normally open valve, 13, sample bottle, 14, sample case.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, the utility model discloses a stretch into sampling tube 2 in flue 1, sampling tube 2 is perpendicular with flue gas flow direction, sets up a plurality of thief holes 3 on the upstream side pipe wall of sampling tube 2, and a plurality of thief holes 3 top-down evenly distributed, thief hole 3 are located the middle part position of flue 1, thief hole 3 is linked together with sampling tube 2 is inside. An accumulation type automatic adsorption sealing mechanism is arranged in the sampling tube 2 outside the flue 1.
As shown in fig. 2, the accumulation type automatic adsorption sealing mechanism comprises a material receiving plate 4 fixed on the inner wall of a sampling tube 2, the material receiving plate 4 is of an inclined plane structure with a low middle part and a high side edge, a dust falling port is arranged in the middle of the material receiving plate 4, a baffle 5 capable of moving up and down is arranged at the dust falling port, the baffle 5 moves up to be in contact with the material receiving plate 4 to block the dust falling port, and the baffle 5 moves down to open the dust falling port. The baffle 5 is of a conical surface structure with a high middle part and low side edges, a first magnet 6 is arranged on the baffle 5, a supporting block 7 is arranged below the baffle 5, the supporting block 7 is fixed with the inner wall of the sampling tube 2 through a supporting rod 8, a second magnet 9 is arranged on the supporting block 7, and the first magnet 6 and the second magnet 9 are homopolar magnets. The shutter 5 is moved upward by the repulsive force of the first magnet 6 and the second magnet 9 to block the dust falling port. The sealing ring 10 is installed on the contact surface of the material receiving plate 4 and the baffle plate 5, in the embodiment, the sealing ring 10 is at least two rings, and when the baffle plate 5 moves upwards to contact the material receiving plate 4, sealing is realized through the sealing ring 10, so that ash leakage is avoided.
And a vertical guide rod 11 is arranged at the bottom of the baffle 5, and the guide rod 11 sequentially penetrates through the first magnet 6, the second magnet 9 and the supporting block 7. When the baffle 5 moves up and down, the guide rod 11 plays a role in guiding, so that the baffle 5 stably moves up and down. In this embodiment, the guide rods 11 are two rods arranged in parallel in the front-rear direction.
A manual normally open valve 12 is arranged in the sampling tube 2 below the accumulation type automatic adsorption sealing mechanism. The manual normally-open valve 12 is a manual butterfly valve, and under a normal state, the manual normally-open valve 12 is in an open state. The lower end of the sampling tube 2 is detachably connected with the sampling bottle 13, and the lower end of the sampling tube 2 is in threaded connection with the sampling bottle 13. In this embodiment, the lower end of the sampling tube 2 extends into the sampling box 14, and the sampling box 14 is provided with a sampling door capable of being opened and closed, and the sampling bottle 13 can be taken and placed by opening the sampling door.
When the sampling device works, the sampling bottle 13 is arranged at the lower end of the sampling tube 2, the fly ash in the flue 1 enters the sampling tube 2 through the sampling hole 3 to be accumulated, when the ash accumulation amount in the sampling tube 2 reaches a certain weight, the baffle 5 automatically moves downwards under the action of gravity, and the accumulated fly ash falls into the sampling bottle 13 below. After falling ash, under the action of the repulsive magnetic force of the first magnet 6 and the second magnet 9, the baffle 5 automatically moves upwards to plug and seal the ash falling port. When sampling is needed, the manual normally-open valve 12 is closed, the sampling door on the sampling box 14 is opened, the sampling bottle 13 connected with the fly ash is taken down, a new sampling bottle 13 is replaced, and then the manual normally-open valve 12 is opened. The manual normally open valve 12 is closed during sampling, so that flying ash is prevented from being scattered due to ash falling in the sampling process.
The utility model discloses simple structure, sampling tube 2 is in flue 1, and the flying dust is by sampling hole 3 entering sampling tube 2, then falls into sampling bottle 13, can not have the problem that cold wind got into the boiler, has solved the boiler rate of leaking out that causes after current sampling mode sample gate opens and shuts many times and has increased, and the loss increase of discharging fume can reduce boiler wind smoke volume simultaneously, reduces the draught fan electric current, reduces the station service power consumption rate. Cold air is prevented from entering the sampling tube 2 to take away fine particles in the fly ash, and the accuracy of sampling data is improved; the accuracy of the total carbon emission data can be ensured, and reliable data support is provided for enterprises in carbon emission trading.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a sealed flying dust sampling device of formula of falling automatic absorption which characterized in that: the sampling device comprises a sampling tube extending into a flue, wherein the sampling tube is vertical to the flowing direction of flue gas, a plurality of sampling holes are formed in the tube wall of the sampling tube on the upstream side, and the sampling holes are communicated with the inside of the sampling tube; an accumulation type automatic adsorption sealing mechanism is arranged in a sampling pipe outside the flue; the falling type automatic adsorption sealing mechanism comprises a material receiving plate fixed with the inner wall of the sampling pipe, an ash falling port is arranged in the middle of the material receiving plate, a baffle capable of moving up and down is arranged at the ash falling port, the baffle moves up to be in contact with the material receiving plate to block the ash falling port, and the baffle moves down to open the ash falling port; the lower end of the sampling tube is detachably connected with the sampling bottle.
2. The accumulation type fly ash sampling device with automatic adsorption sealing function as claimed in claim 1, wherein: the sampling tube comprises a baffle plate, a first magnet, a supporting block and a second magnet, wherein the first magnet is arranged on the baffle plate, the supporting block is arranged below the baffle plate and is fixed with the inner wall of the sampling tube through a supporting rod, the second magnet is arranged on the supporting block, and the first magnet and the second magnet are homopolar magnets.
3. The accumulation type fly ash sampling device with automatic adsorption and sealing functions as claimed in claim 2, wherein: and a vertical guide rod is arranged at the bottom of the baffle, and the guide rod sequentially penetrates through the first magnet, the second magnet and the supporting block.
4. The accumulation type fly ash sampling device with automatic adsorption sealing function as claimed in claim 1, wherein: and a sealing ring is arranged on the contact surface of the material receiving plate and the baffle.
5. The accumulation type fly ash sampling device with automatic adsorption and sealing functions as claimed in claim 1, wherein: a plurality of thief holes top-down evenly distributed, the thief hole is located the middle part position of flue, the thief hole is linked together with the sampling tube is inside.
6. The accumulation type fly ash sampling device with automatic adsorption and sealing functions as claimed in claim 1, wherein: the material receiving plate is of an inclined plane structure with a low middle part and high side edges.
7. The accumulation type fly ash sampling device with automatic adsorption sealing function as claimed in claim 1, wherein: the baffle is a conical surface structure with a high middle part and low side edges.
8. The accumulation type fly ash sampling device with automatic adsorption sealing function as claimed in claim 1, wherein: and a manual normally open valve is arranged in the sampling pipe below the accumulation type automatic adsorption sealing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221753722.0U CN218035899U (en) | 2022-07-07 | 2022-07-07 | Accumulation type automatic adsorption sealing fly ash sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221753722.0U CN218035899U (en) | 2022-07-07 | 2022-07-07 | Accumulation type automatic adsorption sealing fly ash sampling device |
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| CN218035899U true CN218035899U (en) | 2022-12-13 |
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| CN202221753722.0U Active CN218035899U (en) | 2022-07-07 | 2022-07-07 | Accumulation type automatic adsorption sealing fly ash sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2627983A (en) * | 2023-03-10 | 2024-09-11 | Brackstone Chris | Test sample carrier, waste treatment apparatus, and method of assessing a waste treatment apparatus |
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2022
- 2022-07-07 CN CN202221753722.0U patent/CN218035899U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2627983A (en) * | 2023-03-10 | 2024-09-11 | Brackstone Chris | Test sample carrier, waste treatment apparatus, and method of assessing a waste treatment apparatus |
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