CN216384219U - Operation control system of ash storehouse and dust remover combined design - Google Patents
Operation control system of ash storehouse and dust remover combined design Download PDFInfo
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- CN216384219U CN216384219U CN202122115849.1U CN202122115849U CN216384219U CN 216384219 U CN216384219 U CN 216384219U CN 202122115849 U CN202122115849 U CN 202122115849U CN 216384219 U CN216384219 U CN 216384219U
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Abstract
The utility model discloses an operation control system with combined design of a dust storehouse and a dust remover, which comprises a master controller, the dust remover, a dust hopper of the dust remover and a dust suppression system; the dust remover is arranged in the dust discharging channel area, the dust remover ash bucket is connected with the dust remover, a first material level signal sensing module is arranged on the dust remover ash bucket, the signal output end of the first material level signal sensing module is connected with the first signal input end of the master controller, discharging equipment is arranged below the dust remover ash bucket, a second material level signal sensing module is arranged on the discharging equipment, the signal output end of the second material level signal sensing module is connected with the second signal input end of the master controller, and the like; the utility model can realize the flying operation control of the power plant boiler only by monitoring the material level signal of the ash hopper of the dust remover and the operation state signal of the discharging equipment, thereby greatly simplifying the control link, and reducing the pollution link because the dust pollution point is the dust remover area.
Description
Technical Field
The utility model relates to the technical field of fly ash conveying and storing of power plants, in particular to an operation control system with combined design of an ash silo and a dust remover.
Background
The flue gas generated by the boiler in the power plant contains a large amount of dust particles, the particles in the flue gas are collected in an ash bucket at the lower part of the dust remover after the flue gas is filtered by the dust remover, and the collected particles are called fly ash. In the conventional design, the dust hopper volume of the dust remover can store the fly ash amount for 8 hours at most, so that a power plant needs to arrange a special fly ash storage to store the fly ash, and the storage requirement of 24-48 hours required by the regulation specification is met. The fly ash storehouse is generally arranged in an area far away from a boiler room, and fly ash in an ash hopper of the dust remover is conveyed to the fly ash storehouse for storage in a pneumatic conveying mode. The traditional running state monitoring scheme is as follows: the running states (pipeline pressure signals, bin pump material level signals) of the fly ash conveying system, the running states (material level signals) of the fly ash warehouse and the like need to be linked to realize the normal running of fly ash conveying and storing, and the problems of more control links and more complex system exist. And, the dust pollution point includes dust remover region and ash storehouse region, and the ash storehouse region is far away from main factory building region, and loading unloading dust suppression system is not designed usually.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an operation control system designed by combining an ash storehouse and a dust remover, and the fly operation control of a power plant boiler can be realized only by monitoring a material level signal of an ash hopper of the dust remover and an operation state signal of discharging equipment, so that the control link is greatly simplified, and the dust pollution point is the region of the dust remover, thereby reducing the pollution link.
The purpose of the utility model is realized by the following scheme:
an operation control system with combined design of a dust storehouse and a dust remover is characterized in that a master controller, the dust remover, a dust hopper of the dust remover and a dust suppression system are arranged in a centralized control room; the dust remover is arranged in an ash discharging channel area, the ash hopper of the dust remover is connected with the dust remover, a first material level signal sensing module is arranged on the ash hopper of the dust remover, the signal output end of the first material level signal sensing module is connected with the first signal input end of the master controller, unloading equipment is arranged below the ash hopper of the dust remover, a second material level signal sensing module is arranged on the unloading equipment, the signal output end of the second material level signal sensing module is connected with the second signal input end of the master controller, the first control output end of the master controller is connected with the control input end of the unloading equipment, and the second control output end of the master controller is connected with the control input end of the dust remover; and a dust suppression system is arranged in the area of the ash discharge channel.
And furthermore, the discharging equipment comprises wet ash discharging equipment and dry ash discharging equipment, and the wet ash discharging equipment and the dry ash discharging equipment are both connected with an ash hopper of the dust remover.
Further, the ash discharge channel region comprises a closed enclosure.
Furthermore, wet ash unloading equipment and dry ash unloading equipment are arranged in the closed enclosing wall, the wet ash unloading equipment and the dry ash unloading equipment are used for discharging materials in the ash residue vehicle, and the dust suppression system is arranged in the closed enclosing wall.
Furthermore, the closed enclosing wall is closed by a color steel plate.
Furthermore, the running state output end of the unloading equipment is connected with a third signal input end of the master controller.
The utility model has the beneficial effects that:
the utility model is based on the combined design of the fly ash storehouse and the dust remover, the fly ash storehouse is not arranged independently, the fly ash pneumatic conveying system is cancelled, the system is simplified, and the fly operation control of the power plant boiler can be realized only by monitoring the material level signal of the ash hopper of the dust remover and the operation state signal of the discharging equipment in the embodiment, so that the control link is greatly simplified, and the dust pollution point is the dust remover area, thereby reducing the pollution link.
Drawings
The drawings in the following description are only some embodiments of the utility model, and other drawings can be derived by those skilled in the art without inventive exercise.
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a first schematic diagram of an ash removal system with an ash silo and a dust collector;
FIG. 3 is a second schematic diagram of an ash removal system with an ash silo and a dust collector combined;
FIG. 4 is a layout diagram of a first operational level of an ash removal system with an ash silo and a dust collector combined;
FIG. 5 is a diagram of a second operational level of an ash removal system with an ash silo and a dust collector combined;
FIG. 6 is a prior art fly ash storage conveyor system.
Detailed Description
All of the features disclosed in all of the embodiments in this specification, or all of the steps in all of the methods or processes implicitly disclosed, may be combined or substituted in any way, except where mutually exclusive features and/or steps are present.
As shown in fig. 1 to 6, an operation control system designed by combining a dust warehouse and a dust remover is provided with a master controller, a dust remover 11, a dust hopper 12 of the dust remover and a dust suppression system 17 in a centralized control room; the dust remover 11 is arranged in an ash discharging channel area, the dust remover ash bucket 12 is connected with the dust remover 11, a first material level signal sensing module is arranged on the dust remover ash bucket 12, the signal output end of the first material level signal sensing module is connected with the first signal input end of the master controller, unloading equipment is arranged below the dust remover ash bucket 12, a second material level signal sensing module is arranged on the unloading equipment, the signal output end of the second material level signal sensing module is connected with the second signal input end of the master controller, the first control output end of the master controller is connected with the control input end of the unloading equipment, and the second control output end of the master controller is connected with the control input end of the dust remover 11; in the area of the ash discharge channel a dust suppression system 17 is arranged.
In an alternative embodiment, the unloading devices comprise a wet ash unloading device 13 and a dry ash unloading device 14, and both the wet ash unloading device 13 and the dry ash unloading device 14 are connected to the precipitator hopper 12.
In an alternative embodiment, the ash discharge channel region comprises a closed perimeter wall 16.
In an alternative embodiment, the wet ash discharge apparatus 13 and the dry ash discharge apparatus 14 are both disposed within a closed enclosure 16, the discharge in the ash cart 15 is carried out through the wet ash discharge apparatus 13 and the dry ash discharge apparatus 14, and the dust suppression system 17 is disposed within the closed enclosure 16.
In an alternative embodiment, the closed perimeter wall 16 is closed with a color steel plate.
In an optional embodiment, the running state output end of the discharging device is connected with a third signal input end of the master controller.
In the embodiment of the utility model, the fly ash warehouse and the dust remover are designed in a combined manner, a fly ash pneumatic conveying system in the prior art (comprising a fly ash conveyor 20, an ash pipe 21, a first air storage tank 22, an air dryer, a second air storage tank 24, an air pipe network 25, a valve 26 and a screw air compressor 27 as shown in fig. 6) is omitted, the fly ash warehouse is not arranged independently, the initial investment is saved, the operation energy consumption is reduced, the maintenance cost is reduced, the system is simplified, the fly operation control of the power plant boiler can be realized only by monitoring a dust hopper material level signal of the dust remover and an operation state signal of a discharging device, the control link is greatly simplified, and the dust pollution point is the dust remover area, so that the pollution link is reduced.
Other embodiments than the above examples may be devised by those skilled in the art based on the foregoing disclosure, or by adapting and using knowledge or techniques of the relevant art, and features of various embodiments may be interchanged or substituted and such modifications and variations that may be made by those skilled in the art without departing from the spirit and scope of the present invention are intended to be within the scope of the following claims.
Claims (5)
1. An operation control system designed by combining a dust storehouse and a dust remover is characterized in that a master controller, the dust remover (11), a dust hopper (12) of the dust remover and a dust suppression system (17) are arranged in a centralized control room; the dust remover (11) is arranged in an ash discharging channel area, the dust remover ash hopper (12) is connected with the dust remover (11), a first material level signal sensing module is arranged on the dust remover ash hopper (12), the signal output end of the first material level signal sensing module is connected with the first signal input end of the master controller, unloading equipment is arranged below the dust remover ash hopper (12), a second material level signal sensing module is arranged on the unloading equipment, the signal output end of the second material level signal sensing module is connected with the second signal input end of the master controller, the first control output end of the master controller is connected with the control input end of the unloading equipment, and the second control output end of the master controller is connected with the control input end of the dust remover (11); a dust suppression system (17) is arranged in the region of the ash discharge channel.
2. An operation control system designed by combining an ash silo and a dust remover as claimed in claim 1, characterized in that the unloading device comprises a wet ash unloading device (13) and a dry ash unloading device (14), and the wet ash unloading device (13) and the dry ash unloading device (14) are both connected with the ash hopper (12) of the dust remover.
3. An operation control system designed in connection with an ash silo and a dust collector according to any one of the claims 1 or 2, characterized in that the ash discharge channel area comprises a closed enclosing wall (16).
4. An operation control system designed by combining an ash silo and a dust remover as claimed in claim 3, characterized in that the closed enclosing wall (16) is closed by a color steel plate.
5. The operation control system designed by combining the ash silo and the dust remover as claimed in any one of claims 1 or 2, wherein the operation state output end of the unloading equipment is connected with the third signal input end of the master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115849.1U CN216384219U (en) | 2021-09-03 | 2021-09-03 | Operation control system of ash storehouse and dust remover combined design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115849.1U CN216384219U (en) | 2021-09-03 | 2021-09-03 | Operation control system of ash storehouse and dust remover combined design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216384219U true CN216384219U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122115849.1U Active CN216384219U (en) | 2021-09-03 | 2021-09-03 | Operation control system of ash storehouse and dust remover combined design |
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|---|---|
| CN (1) | CN216384219U (en) |
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2021
- 2021-09-03 CN CN202122115849.1U patent/CN216384219U/en active Active
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