CN206027935U - Wet -type is hot air blowing system for electrostatic precipitator - Google Patents
Wet -type is hot air blowing system for electrostatic precipitator Download PDFInfo
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- CN206027935U CN206027935U CN201620884315.1U CN201620884315U CN206027935U CN 206027935 U CN206027935 U CN 206027935U CN 201620884315 U CN201620884315 U CN 201620884315U CN 206027935 U CN206027935 U CN 206027935U
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- wet
- dust precipitator
- electrical dust
- wet electrical
- air blowing
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Abstract
The utility model relates to a wet -type electrostatic precipitator. Current wet -type electrostatic precipitator energy consumption is high, mainly is because this auxiliary system power of hot air blowing is high, has accounted for the over half of whole wet -type electrostatic precipitator aggregate capacity. In order to solve above problem, the utility model provides a wet -type is hot air blowing system for electrostatic precipitator which comprises dry dust collector (2) and wet -type electrostatic precipitator (5), its characterized in that: still be equipped with fan (4), fan (4) are arranged in on wet -type electrostatic precipitator (5) platform, fan (4) flue gas or air of utilizing the flue -gas temperature heating in dry dust collector (2) in with dry dust collector (2) is sent to in wet -type electrostatic precipitator (5) through air conduit. The peaceful wet -type is hot air blowing system for electrostatic precipitator who provides is washed in this practicality, conveys wet -type electrostatic precipitator through the high temperature with flue gas among the dry dust collector, has practiced thrift the electric energy of hot air blowing system to the power consumption that makes whole wet -type electrostatic precipitator reduces.
Description
Technical field
This utility model is related to a kind of wet electrical dust precipitator.
Background technology
In order to realize new promulgation《Emission standards of air pollutants for coal-fired》(GB 13,223 2011) is to soot emissions
Requirement, power plants install wet cottrell equipment successively, it is ensured that outlet smoke dust discharge concentration is much smaller than standard
Require.But wet electrical dust precipitator system operation energy consumption is higher, although environmental protection, but not enough energy-conservation.Analysis wet electrical dust precipitator is each
Subsystem energy consumption, it is found that hot-air blowing this aid system power accounts for the 50% even more many of system total power, if to this being
System is improved, then greatly reduce wet electrical dust precipitator system energy consumption.Such as wet electrical dust precipitator in Ge electricity areas, heater
Power is 200kW, and in terms of running 5000 hours in year, then 1,000,000 degree of the annual power consumption of electric heater, per annual operating cost hundreds of thousands
Unit.
Utility model content
1st, technical problem to be solved：
Existing wet electrical dust precipitator high energy consumption, mainly due to hot-air blowing, this aid system power is high, accounts for
More than half of whole wet electrical dust precipitator general power.
2nd, technical scheme：
In order to solve problem above, this utility model provides a kind of wet electrical dust precipitator hot-air blowing system, including
Dry collector 2 and wet electrical dust precipitator 5, are additionally provided with blower fan 4, and the blower fan 4 is placed on 5 platform of wet electrical dust precipitator, described
Blower fan 4 is by the flue gas in dry collector 2 or utilizes dry collector（2）In flue-gas temperature heating air pass through air hose
Road is sent in wet electrical dust precipitator 5.
The blower fan 4 is sent to the flue gas in the dry collector 2 in 5 insulator chamber of wet electrical dust precipitator.
The air line towards wet electrical dust precipitator 5 is provided with a standby electric heater 7.
The air intake of the dry collector 2 or gas outlet are provided with a heat exchanger 1, and heat exchanger 1 and blower fan 4 pass through air hose
Road connects.
The heat exchanger 1 is heat exchange of heat pipe or common air heat exchanger.
Perforate on the flue in 2 exit of the dry collector, the hole and blower fan 4 are connected by air line.
3rd, beneficial effect：
The wet electrical dust precipitator hot-air blowing system that this utility model is provided, by by the height of flue gas in dry collector
Temperature is sent in wet electrical dust precipitator, has saved the electric energy of hot-air blowing system, so that the power consumption of whole wet electrical dust precipitator
Reduce.
Description of the drawings
Structural representations of the Fig. 1 for this utility model embodiment 1.
Structural representations of the Fig. 2 for this utility model embodiment 2.
Specific embodiment
Below by drawings and Examples, the present invention is described in detail.
The dust pelletizing system of thermal power plant includes dry collector 2, desulfurizing tower 3, wet electrical dust precipitator 5 and chimney 6, the above this
Part is sequentially connected.
Flue gas enter dry collector 2 when, temperature reaches 130 DEG C -150 DEG C, from dry collector 2 out when, temperature
Still 130 DEG C -150 DEG C of degree, after flue gas passes through dry collector 2 and desulfurizing tower 3, temperature less than 60 DEG C, is removed in wet type electricity
For dust removing effects in dirt device 4, insulator chamber temperature is needed more than 80 DEG C, this when is typically by electrical heating by wet type
The temperature of insulator chamber of electric precipitator is heated to the temperature for needing, and consumes substantial amounts of electric energy in this course.
This utility model provides a kind of wet electrical dust precipitator hot-air blowing system, including dry collector 2 and wet type
Electric cleaner 5, is additionally provided with blower fan 4, and the blower fan 4 is placed on 5 platform of wet electrical dust precipitator, and the blower fan 4 is by dry collector 2
In flue gas or utilize dry collector（2）In flue-gas temperature heating air wet electrical dust precipitator is sent to by air line
In 5 insulator chamber.As the turnover of flue gas in dry collector 2 is all at 130 DEG C -150 DEG C, by flue gas after desulfurizing tower 3
Temperature is reduced, and is passed through blower fan 4 and be transported in wet electrical dust precipitator 5 flue gas in dry collector 2 by air line, cigarette
The temperature of gas fully meets the temperature of the needs of wet electrical dust precipitator 5, so as to save electric energy, the simply blower fan 4 of required consumption
Electric energy.
The blower fan 4 is by the flue gas in the dry collector 2 or utilizes dry collector（2）In flue-gas temperature heating
Air be sent in 5 insulator chamber of wet electrical dust precipitator.Play sealing function.
A standby electric heater 7 is provided with the air line towards wet electrical dust precipitator 5.
Embodiment 1
Wet electrical dust precipitator 5 is located between desulfuration absorbing tower 3 and chimney 6, and blower fan 4 is placed on 5 platform of wet electrical dust precipitator.
A heat exchanger 1 is installed additional in 2 entrance of dry collector or exit, the pattern of heat exchanger 1 is heat exchange of heat pipe or common sky
Gas heat exchanger, using the heat of 130 DEG C of -150 DEG C of flue gases of 2 entrance of dry collector or outlet, the air heating that blower fan 4 is sent
To more than 80 DEG C, then more than 80 DEG C of air is transported in blower fan 4 by blower fan by air line.Finally by the sky after heating
Pneumatic transmission enters in 5 insulator chamber of wet electrical dust precipitator, plays sealing function.
Before hot-air enters insulator chamber, air line is provided with a standby electric heater 7, in case boiler stops
Use when work or air themperature are inadequate.
Embodiment 2
Wet electrical dust precipitator 5 is located between desulfuration absorbing tower 3 and chimney 6, and blower fan 4 is placed on 5 platform of wet electrical dust precipitator.
130 DEG C of -150 DEG C of flue gases are sent into blower fan 4 with blower fan 4 by the perforate on the flue in 2 exit of dry collector
In, finally flue gas is sent in 5 insulator chamber of wet electrical dust precipitator, sealing function is played.
Before hot-air enters insulator chamber, air line is provided with a standby electric heater 7, when boiler stops work
When making, standby electric heater 7 is opened, and by switching pipe valve, air is extracted from standby mouth.When boiler working stability,
Stop back-up heater 7, switch pipe valve, flue gas is extracted from 2 exit of dry collector.The wet type electricity that the present invention is provided is removed
Dirt device hot-air blowing system, by the high temperature of flue gas in dry collector is sent in wet electrical dust precipitator, has saved heat
The electric energy of wind purging system, so that the power consumption of whole wet electrical dust precipitator is reduced.
Claims (8)
1. a kind of wet electrical dust precipitator hot-air blowing system, including dry collector（2）And wet electrical dust precipitator（5）, which is special
Levy and be：It is additionally provided with blower fan（4）, the blower fan（4）It is placed in wet electrical dust precipitator（5）On platform, the blower fan（4）Dry type is removed
Dirt device（2）In flue gas or utilize dry collector（2）In flue-gas temperature heating air wet type is sent to by air line
Electric cleaner（5）In.
2. wet electrical dust precipitator as claimed in claim 1 hot-air blowing system, it is characterised in that：The blower fan（4）By institute
State dry collector（2）In flue gas be sent to wet electrical dust precipitator（5）In insulator chamber.
3. wet electrical dust precipitator as claimed in claim 1 or 2 hot-air blowing system, it is characterised in that：Towards the wet type
Electric cleaner（5）Air line be provided with a standby electric heater（7）.
4. wet electrical dust precipitator as claimed in claim 1 or 2 hot-air blowing system, it is characterised in that：The dry dust removal
Device（2）Air intake or gas outlet be provided with a heat exchanger（1）, heat exchanger（1）And blower fan（4）Connected by air line.
5. wet electrical dust precipitator as claimed in claim 4 hot-air blowing system, it is characterised in that：The heat exchanger（1）For
Heat exchange of heat pipe or common air heat exchanger.
6. wet electrical dust precipitator as claimed in claim 1 or 2 hot-air blowing system, it is characterised in that：The dry dust removal
Device（2）Perforate on the flue in exit, the hole and blower fan（4）Connected by air line.
7. wet electrical dust precipitator as claimed in claim 3 hot-air blowing system, it is characterised in that：The dry collector
（2）Air intake be provided with a heat exchanger（1）, heat exchanger（1）And blower fan（4）Connected by air line.
8. wet electrical dust precipitator as claimed in claim 3 hot-air blowing system, it is characterised in that：The dry collector
（2）Perforate on the flue in exit, the hole and blower fan（4）Connected by air line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884315.1U CN206027935U (en) | 2016-08-16 | 2016-08-16 | Wet -type is hot air blowing system for electrostatic precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884315.1U CN206027935U (en) | 2016-08-16 | 2016-08-16 | Wet -type is hot air blowing system for electrostatic precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206027935U true CN206027935U (en) | 2017-03-22 |
Family
ID=58306347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620884315.1U Active CN206027935U (en) | 2016-08-16 | 2016-08-16 | Wet -type is hot air blowing system for electrostatic precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206027935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821657A (en) * | 2019-03-12 | 2019-05-31 | 华南理工大学 | The blow device of Precipitator insulator chamber |
-
2016
- 2016-08-16 CN CN201620884315.1U patent/CN206027935U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821657A (en) * | 2019-03-12 | 2019-05-31 | 华南理工大学 | The blow device of Precipitator insulator chamber |
| CN109821657B (en) * | 2019-03-12 | 2024-03-22 | 华南理工大学 | Purging device for insulator chamber of electric dust collector of coal-fired power plant |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |