CN207361370U - A kind of PLC control system of Dry Ash Conveying System in Electric Factory - Google Patents
A kind of PLC control system of Dry Ash Conveying System in Electric Factory Download PDFInfo
- Publication number
- CN207361370U CN207361370U CN201721442233.2U CN201721442233U CN207361370U CN 207361370 U CN207361370 U CN 207361370U CN 201721442233 U CN201721442233 U CN 201721442233U CN 207361370 U CN207361370 U CN 207361370U
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- CN
- China
- Prior art keywords
- ash
- dry
- storehouse
- electric
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of PLC control system of Dry Ash Conveying System in Electric Factory includes：Deduster is set above system,Dry ash storehouse is set below deduster,Level-sensing device is set among deduster and dry ash storehouse,Ash bucket is set gradually below dry ash storehouse,Electric electric three-way door,Water ash removal pipe and Dry-ash System pipeline are set below electric electric three-way door,Pumped below electric electric three-way door by Dry-ash System pipeline connections storehouse,Storehouse pump top sets inlet valve,Side sets electro connecting pressure gauge,Opposite side connects ash pipe,Outlet valve is set on ash pipe at the pump of storehouse,The grey storage tank of ash pipe connection,Through hole is set to connect air compressor machine by pipeline on Dry-ash System pipeline,Intake valve is set gradually on pipeline,Help and blow valve,Band filter membrane solenoid valve,Described help blows valve setting 4,Air compressor machine sets 2,Defeated ash is controlled using plc,Real time monitoring,Malfunction coefficient record improves system control automation system degree,Improve work efficiency the comprehensive utilization ratio with flyash.
Description
Technical field
The utility model belongs to ash cleaning technology field, and in particular to a kind of PLC control system of Dry Ash Conveying System in Electric Factory.
Background technology
Coal-burning power plant plays very big effect in the development of China's power industry, its generated energy accounts for China's gross generation
More than 80%, but it also pollutes welding while sufficient electric power is provided for us, power plant is in power generation process, warp
Substantial amounts of trade waste（Flying dust or flyash）, must in order to ensure the safe operation of steam generator system, while for environmental protection
These flyash must be removed in time and transported, and by comprehensive utilization of waste materials, current widely used pneumatic ash removal system, and to combustion
Coal-fired plant proposes the requirement for improving efficiency of dust collection and total utilization of PCA, and in practical applications, ash-transmission system operation
The reason for reliability is not good enough, and operation troubles occurs and position are also varied, cause efficiency of dust collection to decline, Pneumatic ash conveying system
System is stopped transport, and Yan Chen is discharged exceeded, dust polluting environment, influences the normal production of power plant.
Utility model content
The technical problem that the utility model is solved is to provide a kind of PLC control system of Dry Ash Conveying System in Electric Factory,
To solve the problems mentioned in the above background technology, to achieve these goals, using following solution.
A kind of PLC control system of Dry Ash Conveying System in Electric Factory includes：Deduster, level-sensing device, dry ash storehouse ash bucket, electric three
Logical electrically operated gate, water ash removal pipe, Dry-ash System pipeline, storehouse pump, inlet valve, electro connecting pressure gauge, ash pipe, outlet valve, intake valve, help
Blow valve, band filter membrane solenoid valve, ash pipe, air compressor machine, grey storage tank.
Deduster is set above the system, dry ash storehouse is set below the deduster, the deduster with dry ash storehouse
Between level-sensing device is set；Ash bucket, electric electric three-way door, the electrically electric three-way door lower section are set gradually below the dry ash storehouse
Water ash removal pipe and Dry-ash System pipeline are set.
Described electrically to be pumped below electric three-way door by Dry-ash System pipeline connections storehouse, the storehouse pump top sets inlet valve,
Side sets electro connecting pressure gauge, opposite side connection ash pipe；Outlet valve is set on the ash pipe at the pump of storehouse, and the ash pipe connects
Logical ash storage tank.
Set through hole to connect air compressor machine by pipeline on the Dry-ash System pipeline, set gradually intake valve on pipeline, help and blow
Valve, band filter membrane solenoid valve, described help blow valve setting 4, and air compressor machine sets 2.
The beneficial effects of the utility model are：Defeated ash is controlled using plc, electric contact is used in dry ash handling system
Pressure gauge is controlled storehouse pump charging, discharging process, by setting electro connecting pressure gauge i values, ii values, can automatically control dry
Ash disposal is run, and effectively avoids appearance of the system because of the problems such as charging discharging process control division unobvious two cause line clogging,
Real time monitoring, malfunction coefficient record improve system control automation system degree, improve work efficiency and flyash
Comprehensive utilization ratio.
Brief description of the drawings
Fig. 1, Fig. 2 are the schematic diagram of the utility model.
Deduster 1, level-sensing device 2,3 ash bucket 4 of dry ash storehouse, electric electric three-way door 5, water ash removal pipe 6, Dry-ash System pipeline
7th, storehouse pump 8, inlet valve 9, electro connecting pressure gauge 10, ash pipe 11, outlet valve 12, intake valve 13, help blow valve 14, band filter membrane solenoid valve
15th, air compressor machine 16, grey storage tank 17.
Embodiment
In order to make the implement technical means of the utility model, creation characteristic, reached purpose and effect easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in the figure, a kind of PLC control system of Dry Ash Conveying System in Electric Factory includes：Deduster 1, level-sensing device 2, dry ash
3 ash bucket 4 of storehouse, electric electric three-way door 5, water ash removal pipe 6, Dry-ash System pipeline 7, storehouse pump 8, inlet valve 9, electro connecting pressure gauge
10th, ash pipe 11, outlet valve 12, intake valve 13, help and blow valve 14, band filter membrane solenoid valve 15, air compressor machine 16, grey storage tank 17.
Deduster 1 is set above the system, and the lower section of deduster 1 sets dry ash storehouse 3, the deduster 1 and dry ash
Level-sensing device 2 is set among storehouse 3；The lower section of dry ash storehouse 3 sets gradually ash bucket 4, electric electric three-way door 5, the electric threeway
The lower section of electrically operated gate 4 sets water ash removal pipe 6 and Dry-ash System pipeline 7.
Electrically electric three-way door 5 lower section pumps 8 by 7 connections storehouse of Dry-ash System pipeline, and 8 top of storehouse pump sets charging
Valve 8, side set electro connecting pressure gauge 10, opposite side connection ash pipe 11；Discharging is set at storehouse pump 8 on the ash pipe 11
Valve 13, the grey storage tank 17 of ash pipe connection.
Set through hole to connect air compressor machine 16 by pipeline on the Dry-ash System pipeline 7, set gradually on pipeline intake valve 13,
Help and blow valve 14, band filter membrane solenoid valve 15, described help blows the setting of valve 14 4, and air compressor machine 16 sets 2.
Pneumatic ash removal system, with compressed air, is collected electric precipitator along ash removal pipe using storehouse pump as transmitter
Flying dust dry method send to grey storehouse, whole process is conveyed in the form of sealing pipeline.System is equipped with special-purpose air compressor as dry
Ash conveying power simultaneously doubles as control source of the gas, in dry ash storehouse of the system end equipped with storage cinder, fine ash.Wherein in electric precipitator
First, the ash of two electric fields is cinder, and the ash of three, four electric fields is fine ash, and under normal circumstances, the flying dust of three, four power plant can only be sent into carefully
Grey storehouse, the flying dust of one, two power plant are only sent into cinder storehouse, are that can be sent in cinder storehouse when fine ash storehouse is broken down.
The ash disposal system of system design include ash bucket, ash bucket and its auxiliary device under deduster, air compressor machine, grey storage tank,
Conveying equipment, pipeline, storehouse pump, valve etc., connect electric dust removing system and lead to deduster on conveyance conduit, thin after deduster filters
Ashes enters dry ash storehouse, can be controlled using Dry-ash System processing mode or water by electric appliance electric three-way door at ash hopper device
Processing mode, level-sensing device are used to be monitored against dry ash storehouse storage capacity in dry ash storehouse, when the dry ash powder in ash bucket reaches different
During position, the intensity of natural β radiation exposures to detector that ashes is sent is transmitted intensity that is different, being measured by detector
Difference judge the position of dry ash powder, dry ash powder after ash bucket is discharged by inlet valve into the pump that puts in storage, discharge, do from outlet valve
Kind sends grey storage tank to and is able to collect and recycles.
In Dry-ash System automatic control system, plc can be according to the ashes position signal that level-sensing device transmits（High, normal,
It is low）With storehouse pump top electro connecting pressure gauge indicate pressure value signal, take corresponding processing, when level-sensing device indicate high charge level,
System drives inlet valve, closes outlet valve, intake valve, helps and blow valve, band filter membrane solenoid valve, dry ash will be discharged into storehouse pump from ash bucket and be turned
Storage；As storehouse pumps continuous storage ash, storehouse pump internal pressure gradually rises, and determines=definite value i when pressure exceedes, its top electric contact pressure
Table electric contact is connected, and the display of electro connecting pressure gauge icon is red in host computer display picture, and control system will be closed and fed at this time
Valve, electric electric three-way door close Dry-ash System entrance, stop Dry-ash System, and system opens outlet valve afterwards, open band filter membrane solenoid valve,
Help and blow valve, intake valve and start air compressor machine, pump internal dry ash in storehouse conveys grey storage tank by ash pipe under air pressure, in this phase
Between, storehouse pump internal pressure continues to raise, and when pressure exceedes definite value ii, system will stop transport air compressor machine, be then automatically closed intake valve,
Help and blow valve, band filter membrane solenoid valve, hereafter a period of time, pump internal dry ash in storehouse gradually decreases, and pressure declines, when pressure is less than definite value
During i, electro connecting pressure gauge electric contact disconnects, and shown in green in system display picture, system will turn off outlet valve at this time,
Inlet valve is opened, electric electric three-way door is opened and reenters dry ash processing procedure.
The beneficial effects of the utility model are：Defeated ash is controlled using plc, electric contact is used in dry ash handling system
Pressure gauge is controlled storehouse pump charging, discharging process, by setting electro connecting pressure gauge i values, ii values, can automatically control dry
Ash disposal is run, and effectively avoids appearance of the system because of the problems such as charging discharging process control division unobvious two cause line clogging,
Real time monitoring, malfunction coefficient record improve system control automation system degree, improve work efficiency and flyash
Comprehensive utilization ratio.
The basic principle and main feature of the utility model has been shown and described above, the technical staff of the industry should
Solution, the present utility model is not limited to the above embodiments, new the above embodiments and description only describe this practicality
The principle of type, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and modifications,
These various changes and improvements fall within the scope of the claimed invention, and the claimed scope of the utility model is by appended
Claims and its equivalent thereof.
Claims (1)
- A kind of 1. PLC control system of Dry Ash Conveying System in Electric Factory, it is characterised in that：Deduster, level-sensing device, dry ash storehouse ash bucket, Electric electric three-way door, water ash removal pipe, Dry-ash System pipeline, storehouse pump, inlet valve, electro connecting pressure gauge, ash pipe, outlet valve, into Air valve, help and blow valve, band filter membrane solenoid valve, ash pipe, air compressor machine, grey storage tank；Deduster, the deduster are set above the system Lower section sets dry ash storehouse, and level-sensing device is set among deduster and the dry ash storehouse；Ash bucket, electricity are set gradually below the dry ash storehouse Gas electric three-way door, it is described that water ash removal pipe and Dry-ash System pipeline are electrically set below electric three-way door；Described electric three are powered Pumped below dynamic door by Dry-ash System pipeline connections storehouse, the storehouse pump top sets inlet valve, and side sets electro connecting pressure gauge, separately Side connects ash pipe；Outlet valve, the ash pipe connection grey storage tank are set on the ash pipe at the pump of storehouse；The Dry-ash System pipeline Upper setting through hole connects air compressor machine by pipeline, and intake valve is set gradually on pipeline, helps and blows valve, band filter membrane solenoid valve, described to help Blow valve and set 4, air compressor machine sets 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721442233.2U CN207361370U (en) | 2017-11-02 | 2017-11-02 | A kind of PLC control system of Dry Ash Conveying System in Electric Factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721442233.2U CN207361370U (en) | 2017-11-02 | 2017-11-02 | A kind of PLC control system of Dry Ash Conveying System in Electric Factory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207361370U true CN207361370U (en) | 2018-05-15 |
Family
ID=62345110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721442233.2U Expired - Fee Related CN207361370U (en) | 2017-11-02 | 2017-11-02 | A kind of PLC control system of Dry Ash Conveying System in Electric Factory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207361370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104441A (en) * | 2019-04-30 | 2019-08-09 | 大唐国际发电股份有限公司陡河发电厂 | The defeated grey stored program controlled of boiler dry ash handling system |
-
2017
- 2017-11-02 CN CN201721442233.2U patent/CN207361370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104441A (en) * | 2019-04-30 | 2019-08-09 | 大唐国际发电股份有限公司陡河发电厂 | The defeated grey stored program controlled of boiler dry ash handling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20201102 |