CN214235517U - Boiler room dust pelletizing system - Google Patents
Boiler room dust pelletizing system Download PDFInfo
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- CN214235517U CN214235517U CN202022761071.7U CN202022761071U CN214235517U CN 214235517 U CN214235517 U CN 214235517U CN 202022761071 U CN202022761071 U CN 202022761071U CN 214235517 U CN214235517 U CN 214235517U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a boiler room dust pelletizing system. The utility model comprises a boiler room, a boiler, a dust removal channel, a data processor and a controller, wherein the boiler is positioned in the boiler room, the dust removal channel is connected with the boiler, the tail end of the dust removal channel is provided with a plurality of branch channels, the tail end of each branch channel is provided with a dust concentration measuring device, and the branch channels are provided with branch channel flow regulating baffles; the data measured by the dust concentration measuring device is transmitted to the data processor; the controller is connected with the data processor and controls the opening of the flow regulating baffle of the branch channel according to the dust concentration processing result of the data processor. The utility model discloses can effectively clear away the interior dust of boiler room, improve the interior environmental level of boiler room, also can not increase the auxiliary engine power consumption by a wide margin and produce adverse effect to the boiler operation.
Description
Technical Field
The utility model relates to a boiler clean system, specifically speaking are boiler room dust pelletizing system.
Background
The boiler room is because of reasons such as limited by building structure and the sealed not tight of department such as boiler body, pulverized coal pipe connector, very easily produces local area dust concentration and waits adverse effect greatly, has influenced boiler local area environmental level to a certain extent, and to closed boiler room especially, because its ventilation condition is better than open-air boiler room, then local area dust concentration is higher for the operational equipment in the boiler room and operation personnel's operational environment is more abominable. The existing dust removal system for the boiler room consumes certain electric quantity and can improve the oxygen content of the boiler operation, thereby generating certain influence on the boiler operation.
Therefore, on the premise of not greatly increasing the power consumption of auxiliary machines and not influencing the operation of the boiler, the development of the system capable of reducing the dust concentration of the boiler room is very significant for improving the environmental level and maintaining the generating efficiency of the unit.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a boiler room dust pelletizing system to improve boiler room environmental level, do not increase the auxiliary engine power consumption simultaneously, do not exert an influence to the boiler operation.
Therefore, the utility model adopts the following technical scheme: a dust removal system for a boiler room comprises the boiler room, a boiler, a dust removal channel, a data processor and a controller, wherein the boiler is positioned in the boiler room, and the dust removal channel is connected to the boiler;
the tail end of the dust removal channel is provided with a plurality of branch channels, the tail end of each branch channel is provided with a dust concentration measuring device, and each branch channel is provided with a branch channel flow regulating baffle;
the data measured by the dust concentration measuring device is transmitted to the data processor; the controller is connected with the data processor and controls the opening of the flow regulating baffle of the branch channel according to the dust concentration processing result of the data processor.
The dust concentration measuring device is used for monitoring the dust concentration. The utility model discloses according to the dust concentration of each dust concentration measuring device monitoring in the boiler room, adjust branch's passageway flow control baffle aperture, rely on furnace negative pressure to inhale remaining dust in the boiler room.
Furthermore, the boiler is connected with a secondary air inlet channel, and a secondary air regulating baffle is arranged on the secondary air inlet channel.
Furthermore, a plurality of oxygen amount measuring points are arranged on the boiler, and data measured by the oxygen amount measuring points are transmitted to the data processor; and the controller controls the opening of the secondary air quantity adjusting baffle according to the oxygen quantity processing result of the data processor.
The utility model discloses adjustable secondary air regulation baffle aperture when adjusting branch passageway flow control baffle aperture keeps the boiler operation oxygen quantity value at design value deviation allowed within range.
Furthermore, the boiler is sequentially divided into a cold ash bucket area, a combustor area, an upper area and a tail flue area, the cold ash bucket area is located at the bottom of the boiler, the upper area is located in an upper hearth of the boiler, the combustor area is located between the upper area and the cold ash bucket area, and the tail flue area is located in a tail flue of the boiler.
Further, the dust removal channel is connected to an upper region of the boiler.
Further, the plurality of oxygen sensing points are disposed between an upper region of the boiler and a back pass region.
Further, the dust concentration measuring device is arranged in an area with large dust concentration in daily operation of the boiler room.
Furthermore, a protective cover is arranged on the dust concentration measuring device.
If there are N branch passageways, then there are N branch passageway flow control baffle, N dust concentration measuring device and N safety cover.
The utility model adjusts the opening of the flow adjusting baffle of the dust removing channel according to the dust concentration monitored by each dust concentration measuring device in the boiler room, and sucks the residual dust in the boiler room by the negative pressure of the hearth; meanwhile, the opening of the secondary air quantity adjusting baffle can be adjusted according to the running oxygen quantity value monitored by the oxygen quantity measuring point, and the running oxygen quantity value of the boiler is kept within the allowable deviation range of the design value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-boiler room, 2-boiler, 3-dedusting channel, 4-branch channel, 5-branch channel flow regulating baffle, 6-secondary air quantity regulating baffle, 7-oxygen quantity measuring point, 8-dust concentration measuring device, 9-protective cover, 10-data processor and 11-controller.
Detailed Description
The following detailed description will be made in conjunction with the accompanying drawings to make the technical solution of the present invention easier to understand and master. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The embodiment provides a dust removal system for a boiler room, which comprises a boiler room 1, a boiler 2, a dust removal channel 3, a branch channel 4, a branch channel flow regulating baffle 5, a secondary air volume regulating baffle 6, an oxygen amount measuring point 7, a dust concentration measuring device 8, a protective cover 9, a data processor 10 and a controller 11, as shown in fig. 1.
The boiler 2 is sequentially divided into a cold ash bucket area, a combustor area, an upper area and a tail flue area, the cold ash bucket area is located at the bottom of the boiler 2, the upper area is located in an upper hearth of the boiler 2, the combustor area is located between the upper area and the cold ash bucket area, and the tail flue area is located in a tail flue of the boiler 2. A plurality of oxygen measurement points 7 are arranged between the upper region of the boiler 2 and the back pass region. The boiler 2 is located in the boiler room 1, and the dust removal channel 3 is connected to an upper area of the boiler 2.
The end of the dust removal channel 3 is provided with a plurality of branch channels 4, and the end of each branch channel 4 is provided with a dust concentration measuring device 8 and a protective cover 9 covering the dust concentration measuring device 8. The dust concentration measuring device 8 is arranged in an area with large dust concentration in the daily operation of the boiler room. And a branch channel flow regulating baffle 5 is arranged on the branch channel 4. The boiler 2 is connected with a secondary air inlet channel, and a secondary air regulating baffle 6 is arranged on the secondary air inlet channel.
If there are N branch passageways, then there are N branch passageway flow control baffle, N dust concentration measuring device and N safety cover.
The data measured by the dust concentration measuring device 8 are transmitted to the data processor 10; the controller 11 is connected with the data processor 10, and the controller 11 controls the opening of the branch channel flow regulating baffle 5 according to the dust concentration processing result of the data processor 10.
The data measured by the plurality of oxygen measuring points 7 are transmitted to the data processor 10; the controller 11 controls the opening degree of the secondary air volume adjusting damper 6 according to the oxygen amount processing result of the data processor 10.
The boiler room dust removal system comprises the following working steps:
1) the dust concentration measuring device 8 monitors the dust concentration value of an area with larger dust concentration in the daily operation of the boiler room 1 in real time, and transmits the monitoring result to the data processor 10.
2) The data processor 10 determines the level of the monitored dust concentration value according to the pre-recorded high, medium and low dust concentration values,
if the monitored dust concentration value is not less than the input high dust concentration value, judging that: the dust concentration value in the area is high;
if the recorded high dust concentration value > the monitored dust concentration value is not less than the recorded medium dust concentration value, judging that: the dust concentration value in the area is higher;
if the recorded medium dust concentration value > the monitored dust concentration value is not less than the recorded low dust concentration value, judging that: the dust concentration value in the area is low;
if the recorded low dust concentration value > the monitored dust concentration value, judging that: the dust concentration value in this region is low.
3) The data processor 10 adjusts the opening degree of the corresponding branch channel flow adjusting baffle 5 through the controller 11 according to the judged and monitored dust concentration value level,
if the concentration value of the monitored dust is high, the opening degree of the corresponding branch channel flow regulating baffle 5 is 100 percent,
if the concentration value of the monitored dust is higher, the opening degree of the corresponding branch channel flow regulating baffle 5 is 70 percent,
if the concentration value of the monitored dust is lower, the opening degree of the corresponding branch channel flow regulating baffle 5 is 30 percent,
if the monitored dust concentration value is low, the opening degree of the corresponding branch channel flow regulating baffle 5 is 0%.
4) After the flow regulating baffle 5 of the branch channel has a certain opening degree, the running oxygen amount of the boiler can be increased. The oxygen measuring point 7 monitors the oxygen content of the flue gas between the upper area and the tail flue area of the boiler 2 in real time, and transmits the monitored oxygen content value to the data processor 10.
5) Comparing the monitored oxygen value with the design oxygen value and the allowable deviation value of the boiler 2 at the load, which are previously recorded by the data processor 10, if:
| monitored oxygen value-designed oxygen value | ≧ permissible deviation value,
the controller 11 adjusts the opening degree of the secondary air volume adjusting baffle 6 until:
| monitored oxygen value-designed oxygen value | < allowed deviation value.
Claims (8)
1. A boiler room dust removal system comprises a boiler room (1), a boiler (2) and a dust removal channel (3), wherein the boiler (2) is positioned in the boiler room (1), and the dust removal channel (3) is connected to the boiler (2), and is characterized by further comprising a data processor (10) and a controller (11);
the tail end of the dust removal channel (3) is provided with a plurality of branch channels (4), the tail end of each branch channel (4) is provided with a dust concentration measuring device (8), and each branch channel (4) is provided with a branch channel flow regulating baffle (5);
the data measured by the dust concentration measuring device (8) are transmitted to the data processor (10); the controller (11) is connected with the data processor (10), and the controller (11) controls the opening degree of the branch channel flow regulating baffle (5) according to the dust concentration processing result of the data processor (10).
2. The dust removing system for the boiler room as recited in claim 1, wherein the boiler (2) is connected with a secondary air inlet channel, and a secondary air regulating baffle (6) is arranged on the secondary air inlet channel.
3. The boiler room dust removing system according to the claim 2, characterized in that a plurality of oxygen measuring points (7) are arranged on the boiler (2), and the data measured by the oxygen measuring points (7) are transmitted to the data processor (10); and the controller (11) controls the opening degree of the secondary air volume adjusting baffle (6) according to the oxygen volume processing result of the data processor (10).
4. A boiler room dust pelletizing system according to claim 3, characterized in that the boiler (2) is divided into a cold ash bucket area, a burner area, an upper area and a back flue area in this order, the cold ash bucket area is located at the bottom of the boiler (2), the upper area is located in the upper furnace of the boiler (2), the burner area is located between the upper area and the cold ash bucket area, and the back flue area is located in the back flue of the boiler (2).
5. Boiler room dust removal system according to claim 4, characterized in that the dust removal channel (3) is connected in the upper region of the boiler (2).
6. Boiler house dust extraction system according to claim 4, characterized in that the oxygen measurement points (7) are arranged between the upper area of the boiler (2) and the back pass area.
7. Boiler room dust pelletizing system according to claim 1 or 2, characterized in that the dust concentration measuring device (8) is arranged in an area where the dust concentration is high during the normal operation of the boiler room.
8. Boiler room dedusting system according to claim 1 or 2, characterized in that the dust concentration measuring device (8) is provided with a protective cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022761071.7U CN214235517U (en) | 2020-11-25 | 2020-11-25 | Boiler room dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022761071.7U CN214235517U (en) | 2020-11-25 | 2020-11-25 | Boiler room dust pelletizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214235517U true CN214235517U (en) | 2021-09-21 |
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ID=77734146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022761071.7U Active CN214235517U (en) | 2020-11-25 | 2020-11-25 | Boiler room dust pelletizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214235517U (en) |
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2020
- 2020-11-25 CN CN202022761071.7U patent/CN214235517U/en active Active
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