CN205673083U - A kind of operation monitoring protection system being applicable to wet electrical dust precipitator - Google Patents
A kind of operation monitoring protection system being applicable to wet electrical dust precipitator Download PDFInfo
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- CN205673083U CN205673083U CN201620589128.0U CN201620589128U CN205673083U CN 205673083 U CN205673083 U CN 205673083U CN 201620589128 U CN201620589128 U CN 201620589128U CN 205673083 U CN205673083 U CN 205673083U
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- dust precipitator
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- electrical dust
- wet electrical
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Abstract
The utility model relates to a kind of operation monitoring protection system being applicable to wet electrical dust precipitator, including wet electrical dust precipitator and gas approach, water-spray system, also includes DCS controller；Described gas approach is provided with cigarette temperature monitor, and described cigarette temperature monitor electrically connects with the input of DCS controller, and the output of described DCS controller electrically connects with water-spray system；Voltage of electric field adjusting apparatus, electric field spark detection device can also be included, described electric field spark detection device is for monitoring the voltage of electric field of electric cleaner, its output is connected with the input of DCS controller, the output of DCS controller is also connected with described voltage of electric field adjusting apparatus, and voltage of electric field adjusting apparatus is for regulating the voltage of electric field of deduster.The utility model can protect the operation safety of wet electrical dust precipitator；When running operational error, wet electric dust collector can be avoided to develop to the direction of dangerous operation.
Description
Technical field
The utility model relates to the operation monitoring protection system of a kind of wet electrical dust precipitator, belongs to wet electrical dust precipitator and runs
Monitoring resist technology field.
Background technology
With the extensive application of coal-fired flue-gas Wet Flue Gas Desulfurization Technique, for improving air quality further, reach ultra-low contamination
Thing discharges, and many power plant are provided with again wet electrical dust precipitator after wet desulphurization device, make dust-laden wet flue gas pass through HVDC
Electrostatic field, utilizes electrostatic separation principle by gas purification.Wet electrical dust precipitator mainly comprises positive plate, cathode line, polar curve pole plate
Framework, electric supply installation and flushing water system, wherein cathode line is metal material, and anode can use metal material, it is possible to adopt
By non-metallic material such as electroconductive frp anode tube.Although fiberglass anode tube has good electric conductivity, corrosion resistance, surface
Smooth, system runs the advantages such as power consumption is low, but the burning-point of its opposing metallic material is relatively low, thus frequent at deduster electric field spark
Particularly cigarette temperature is likely to occur pole plate combustion case when higher；Additionally, because cigarette temperature raises, make electric field breakdown voltage decline,
Cigarette temperature often raises 10 DEG C, and electric field breakdown voltage declines 3%, more causes flashover, occurs burning to run affairs former.Therefore, how to ensure wet
It is the technical barrier that this area needs solution badly that formula electric cleaner equipment runs safety.
Content of the invention
The utility model technical issues that need to address are: existing wet electrical dust precipitator, in particular by non-metallic material
The wet electrical dust precipitator of matter positive plate, when deduster electric field spark frequently particularly cigarette temperature is likely to occur pole plate burning when higher
Situation, has potential safety hazard；When cigarette temperature rise, electric field breakdown voltage declines, and is easily caused flashover, occurs burning to run affairs former, also
There is potential safety hazard.
The utility model takes techniques below scheme:
A kind of operation monitoring protection system being applicable to wet electrical dust precipitator, including wet electrical dust precipitator 1 and entrance cigarette thereof
The 2nd, water-spray system 8, road, also include DCS controller 7；Described gas approach 2 is provided with cigarette temperature monitor 3, and described cigarette temperature monitors
Device 3 electrically connects with the input of DCS controller 7, and the output of described DCS controller 7 electrically connects with water-spray system 8.
Further, voltage of electric field adjusting apparatus the 5th, electric field spark detection device 6, described electric field spark detection dress are also included
Putting 6 for monitoring the voltage of electric field of electric cleaner, its output is connected with the input of DCS controller 7, DCS controller 7 defeated
Going out end to be also connected with described voltage of electric field adjusting apparatus 5, voltage of electric field adjusting apparatus 5 is for regulating the voltage of electric field of deduster.
Further, the positive plate of described wet electrical dust precipitator is non-metallic anode plate.
Further, described non-metallic anode plate is electroconductive frp anode tube.
Further, also including alarm, described DCS controller 7 electrically connects with alarm, and cigarette temperature is too high, starts spray
When water system 8 sprays, described alarm equipment alarm.
The beneficial effects of the utility model are:
1) by arranging cigarette temperature monitor, DCS controller, water-spray system, it is achieved that automatic spray is lowered the temperature, and effectively prevents
Pole plate burns, and eliminates potential safety hazard.
2) by the voltage of electric field of electric field spark detection arrangement monitors electric cleaner, when voltage of electric field is too high, by electricity
Voltage of electric field is adjusted downwards by field voltage adjusting apparatus.Avoid flashover, it is to avoid occur burning to run affairs former.
3) DCS controller receives the temperature monitoring signal of cigarette temperature monitor and the voltage monitoring of electric field spark detection device
Signal, and control water-spray system and voltage of electric field adjusting apparatus simultaneously, system is effectively integrated, in hgher efficiency, design
Ingenious.
4) system is safer, and reliability is high；
5) cheap, simple in construction；
6) by the monitoring to wet electrical dust precipitator inlet flue gas temperature and deduster voltage of electric field, when wet electric cleaner entrance cigarette
Temperature is higher than certain value, or when deduster electric field secondary voltage signal fluctuation is frequently spark flashover overfrequency, monitoring protection is
System instruction deduster voltage of electric field adjusting apparatus turns down voltage, and flushing water system is devoted oneself to work then, thus can protect wet type electricity
The operation safety of deduster；When running operational error, wet electric dust collector can be stoped to develop to the direction of dangerous operation.
Brief description
Fig. 1 applies to the structural representation of the operation monitoring protection system of wet electrical dust precipitator.
Fig. 2 applies to the monitoring logic figure of the operation monitoring protection system of wet electrical dust precipitator.
Fig. 3 applies to another monitoring logic figure of the operation monitoring protection system of wet electrical dust precipitator.
In Fig. 1: 1-wet electrical dust precipitator；2-gas approach；3-cigarette temperature monitor；4-positive plate and cathode line；5-
Voltage of electric field adjusts system；6-electric field spark monitors system；7-DCS controller；8-water-spray system.
Detailed description of the invention
With specific embodiment, the utility model is further illustrated below in conjunction with the accompanying drawings.
See Fig. 1, a kind of operation monitoring protection system being applicable to wet electrical dust precipitator, including wet electrical dust precipitator 1 and
Its gas approach the 2nd, water-spray system 8, also include DCS controller 7；Described gas approach 2 is provided with cigarette temperature monitor 3, described
Cigarette temperature monitor 3 electrically connects with the input of DCS controller 7, and the output of described DCS controller 7 and water-spray system 8 are electrically connected
Connect.
Also including voltage of electric field adjusting apparatus the 5th, electric field spark detection device 6, described electric field spark detection device 6 is used for supervising
Survey electric cleaner voltage of electric field, its output is connected with the input of DCS controller 7, the output of DCS controller 7 also with
Described voltage of electric field adjusting apparatus 5 connects, and voltage of electric field adjusting apparatus 5 is for regulating the voltage of electric field of deduster.
Described non-metallic anode plate is electroconductive frp anode tube.
Also including alarm, described DCS controller 7 electrically connects with alarm, and cigarette temperature is too high, starts water-spray system 8 and sprays
During pouring, described alarm equipment alarm.
During specific works, see Fig. 2-Fig. 3,
1) inlet porting cigarette temperature monitor monitors flue entrance temperature t1 of wet electrical dust precipitator in real time, when t1 is higher than the highest
During temperature limit 70 DEG C, monitoring and protecting device instructs water-spray system action, sprays punching to the positive plate in electric field and cathode line
Wash, in order to avoid printed line is because of high temperature failure；
2) if voltage of electric field frequent fluctuation and amplitude are relatively big, after deduster electric field spark monitoring system logic judges, instruction is electric
Field voltage adjusts system call interception and reduces voltage, thus avoids electric field spark overfrequency to cause burning, the sun in protection deduster electric field
Pole plate and cathode line normally work.
Being above preferred embodiment of the present utility model, it can also be become by those of ordinary skill in the art
Changing, on the premise of without departing from the utility model purport, this conversion should be considered as being equal to the utility model.
The utility model can protect the operation safety of wet electrical dust precipitator；When running operational error, wet electricity can be avoided to remove
Dirt device develops to the direction of dangerous operation.
Claims (5)
1. it is applicable to an operation monitoring protection system for wet electrical dust precipitator, including wet electrical dust precipitator (1) and entrance cigarette thereof
Road (2), water-spray system (8), it is characterised in that:
Also include DCS controller (7)；
Described gas approach (2) is provided with cigarette temperature monitor (3), the input of described cigarette temperature monitor (3) and DCS controller (7)
End electrical connection, the output of described DCS controller (7) electrically connects with water-spray system (8).
2. it is applicable to the operation monitoring protection system of wet electrical dust precipitator as claimed in claim 1, it is characterised in that:
Also including voltage of electric field adjusting apparatus (5), electric field spark detection device (6), described electric field spark detection device (6) is used for
The voltage of electric field of monitoring electric cleaner, its output is connected with the input of DCS controller (7), the output of DCS controller (7)
End is also connected with described voltage of electric field adjusting apparatus (5), and voltage of electric field adjusting apparatus (5) is for regulating the electric field electricity of deduster
Pressure.
3. it is applicable to the operation monitoring protection system of wet electrical dust precipitator as claimed in claim 1 or 2, it is characterised in that: institute
The positive plate stating wet electrical dust precipitator is non-metallic anode plate.
4. it is applicable to the operation monitoring protection system of wet electrical dust precipitator as claimed in claim 3, it is characterised in that: described non-
Metallic anode plate is electroconductive frp anode tube.
5. it is applicable to the operation monitoring protection system of wet electrical dust precipitator as claimed in claim 1, it is characterised in that: also include
Alarm, described DCS controller (7) electrically connects with alarm, and cigarette temperature is too high, when starting water-spray system (8) spray, described report
Alert device is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589128.0U CN205673083U (en) | 2016-06-16 | 2016-06-16 | A kind of operation monitoring protection system being applicable to wet electrical dust precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589128.0U CN205673083U (en) | 2016-06-16 | 2016-06-16 | A kind of operation monitoring protection system being applicable to wet electrical dust precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205673083U true CN205673083U (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620589128.0U Active CN205673083U (en) | 2016-06-16 | 2016-06-16 | A kind of operation monitoring protection system being applicable to wet electrical dust precipitator |
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| CN (1) | CN205673083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019147102A (en) * | 2018-02-27 | 2019-09-05 | 三菱電機株式会社 | Air cleaner |
-
2016
- 2016-06-16 CN CN201620589128.0U patent/CN205673083U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019147102A (en) * | 2018-02-27 | 2019-09-05 | 三菱電機株式会社 | Air cleaner |
| JP7018785B2 (en) | 2018-02-27 | 2022-02-14 | 三菱電機株式会社 | Air cleaner |
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| GR01 | Patent grant |