CN207648833U - A kind of flue gas emission - Google Patents
A kind of flue gas emission Download PDFInfo
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- CN207648833U CN207648833U CN201721774959.6U CN201721774959U CN207648833U CN 207648833 U CN207648833 U CN 207648833U CN 201721774959 U CN201721774959 U CN 201721774959U CN 207648833 U CN207648833 U CN 207648833U
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- Prior art keywords
- flue gas
- smoke guide
- guide device
- low temperature
- gas emission
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
This application discloses a kind of flue gas emissions, including heat exchanger and low temperature electric precipitator, further include：It is arranged on low temperature electric precipitator, and the first smoke guide device being connected to the inner cavity of low temperature electric precipitator or smoke pipeline, cathode insulation of low temperature electric precipitator can be realized and be heated when flue gas circulates in the first smoke guide device；It is connected to the first smoke guide device and flue, the first smoke guide pipe flue gas not entered in heat exchanger being introduced into the first smoke guide device.Above-mentioned flue gas emission, cathode insulation of low temperature electric precipitator and wet electrical dust precipitator is heated using the flue gas of high temperature as heat source, reduction has even completely avoided use of the electric heater in flue gas emission, to enable the energy consumption of flue gas emission be minimized, it can also reduce simultaneously and even completely avoid the phenomenon that flue gas emission is stopped due to repairing, replacing electric heater unit, the working efficiency of flue gas emission is enabled to be significantly improved.
Description
Technical field
The utility model is related to fume treatment technical field, more particularly to a kind of flue gas emission.
Background technology
The flue gas that general power plant generates, is all discharged by flue gas emission, existing flue gas emission such as Fig. 1
Shown, the circulation sequence according to flue gas includes air preheater 01 successively, heat exchanger 02, low temperature electric precipitator 03, air-introduced machine 04, inhales
Receive tower 05, wet electrical dust precipitator 06 and chimney 07.Flue gas carries out first time drop during circulation when flowing through heat exchanger 02
Temperature is flowed into later in low temperature electric precipitator 03, and second is carried out when by absorption tower 05 and is cooled down, enters wet type later
In electric precipitator 06.It is both provided with cathode insulation 08 on low temperature electric precipitator 03 and wet electrical dust precipitator 06, when low temperature
Electric precipitator 03 and wet electrical dust precipitator 06 need to heat cathode insulation 08 when working, exhausted to cathode in the prior art
The mode that edge 08 is heated is the special electric heater unit, such as electric heater, hot-air blowing system etc. of setting, and such
The shortcomings that set-up mode, is, due to the setting of electric heater unit, increases the energy consumption of entire flue gas emission, and electricity adds
Thermal is fragile, once electric heater unit damages, it is necessary to and so that entire flue gas emission is stopped to be filled to electrical heating
It sets and repairs, replaces, seriously affected the working efficiency of flue gas emission.
Utility model content
In view of this, the utility model provides a kind of flue gas emission, reduces and even avoid electric heater unit
It uses, reduces the energy consumption of flue gas emission, and also improve the working efficiency of flue gas emission.
In order to achieve the above object, the utility model provides the following technical solutions：
A kind of flue gas emission, including heat exchanger and low temperature electric precipitator further include：
Be arranged on the low temperature electric precipitator, and with the inner cavity of the low temperature electric precipitator or the low low temperature electric
First smoke guide device of the smoke pipeline connection of deduster, flue gas can be to described low when circulating in first smoke guide device
Cathode insulation of low temperature electric precipitator realizes heating；
It is connected to first smoke guide device and flue, the flue gas not entered in the heat exchanger is introduced into institute
State the first smoke guide pipe in the first smoke guide device.
Preferably, in above-mentioned flue gas emission, further include：
It is arranged on the wet electrical dust precipitator of the flue gas emission, with the inner cavity of the wet electrical dust precipitator or described
Second smoke guide device of the smoke pipeline connection of low temperature electric precipitator, flue gas can when circulating in second smoke guide device
Heating is realized to cathode insulation of the wet electrical dust precipitator；
It is connected to second smoke guide device and the flue, the absorption of the flue gas emission will not entered
Flue gas in tower is introduced into the second smoke guide pipe in second smoke guide device.
Preferably, in above-mentioned flue gas emission, first smoke guide device and second smoke guide device are sealing
The babinet of cathode insulation, and the tank wall of the babinet be can water conservancy diversion flue gas and with the low temperature electric precipitator or
The hollow tank wall of the inner cavity connection of the wet electrical dust precipitator.
Preferably, in above-mentioned flue gas emission, first smoke guide device and second smoke guide device are sealing
The babinet of cathode insulation, and the tank wall of the babinet be can water conservancy diversion flue gas and with the low temperature electric precipitator or
The hollow tank wall of the smoke pipeline connection of the wet electrical dust precipitator.
Preferably, in above-mentioned flue gas emission, first smoke guide device is identical with the second smoke guide device structure,
And include：
The babinet of cathode insulation is sealed, the tank wall of the babinet is the hollow tank wall for capableing of water conservancy diversion flue gas；
Third smoke guide pipe, the third smoke guide pipe are connected to the cover board of the hollow tank wall and cathode insulation, so that
Flue gas flows through the inner cavity of cathode insulation and enters the interior of the low temperature electric precipitator or the wet electrical dust precipitator
In chamber.
Preferably, in above-mentioned flue gas emission, the third smoke guide pipe is connected to by insulation tube with cover board realization.
Preferably, it in above-mentioned flue gas emission, is both provided with and draws in first smoke guide pipe and second smoke guide pipe
Wind turbine.
Preferably, in above-mentioned flue gas emission, multiple first smoke guide devices are provided on the low temperature electric precipitator,
And the one-to-one setting of multiple cathode insulation of first smoke guide device and the low temperature electric precipitator.
Preferably, in above-mentioned flue gas emission, multiple second smoke guide devices are provided on the wet electrical dust precipitator, and
And the one-to-one setting of multiple cathode insulation of second smoke guide device and the wet electrical dust precipitator.
Preferably, further include being connected to the flue and electric duster ash bucket in above-mentioned flue gas emission, it will not
The flue gas for entering the heat exchanger is introduced into the 4th smoke guide pipe in the electric duster ash bucket.
Flue gas emission provided by the utility model, using the flue gas of high temperature as heat source come to low temperature electric precipitator
It is heated with cathode insulation of wet electrical dust precipitator, reduction has even completely avoided electric heater in flue gas emission
Use, to enable the energy consumption of flue gas emission be minimized, while can also reduce and even completely avoid flue gas emission system
The phenomenon that system is stopped due to repairing, replacing electric heater unit, enables the working efficiency of flue gas emission obtain significantly
It improves.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the schematic diagram of flue gas emission in the prior art；
Fig. 2 is the schematic diagram for the flue gas emission that the utility model embodiment provides；
Fig. 3 is the structural representation of the first smoke guide device and the first smoke guide pipe, the cooperation of low temperature electric precipitator of a kind of structure
Figure；
Fig. 4 is that the structure that the first smoke guide device of another structure coordinates with the first smoke guide pipe, low temperature electric precipitator is shown
It is intended to；
Fig. 5 is that the structure that the first smoke guide device of yet another construction coordinates with the first smoke guide pipe, low temperature electric precipitator is shown
It is intended to；
Fig. 6 is the schematic diagram that the 4th smoke guide pipe is arranged on electric duster ash bucket.
In Fig. 1-Fig. 6：
01- air preheaters, 02- heat exchangers, 03- low temperature electric precipitators, 04- air-introduced machines, the absorption towers 05-, 06- wet type electricity remove
Dirt device, 07- chimneys, 08- cathode insulation；
1- heat exchangers, 2- low temperature electric precipitators, the first smoke guide devices of 3-, 4- cathode insulations, 5- flues, 6- the
One smoke guide pipe, 7- wet electrical dust precipitators, the second smoke guide devices of 8-, the absorption towers 9-, the second smoke guide pipes of 10-, the hollow tank walls of 11-, 12-
Third smoke guide pipe, 13- cover boards, 14- insulation tubes, 15- air-introduced machines, 16- electric duster ash buckets, the 4th smoke guide pipes of 17-, 18- smokes
Pipeline.
Specific implementation mode
The utility model provides a kind of flue gas emission, reduces the use for even avoiding electric heater unit, reduces
The energy consumption of flue gas emission, and also improve the working efficiency of flue gas emission.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Fig. 2-Fig. 6, the flue gas emission that the utility model embodiment provides, including heat exchanger 1, low temperature
Further include the first smoke guide device 3 and the first smoke guide pipe 6 on the basis of electric precipitator 2 and flue 5.Wherein, first cigarette is led
The main function of device 3 be water conservancy diversion flue gas, be arranged on low temperature electric precipitator 2, and in low temperature electric precipitator 2
Chamber is connected to or the first smoke guide device 3 is connected to the smoke pipeline 18 of low temperature electric precipitator 2, and flue gas enters first and leads cigarette
Device 3 and when flowing wherein, the heat that flue gas carries can heat cathode insulation 4 of low temperature electric precipitator 2,
After completing to the heating of cathode insulation 4, flue gas is flowed into the inner cavity of low temperature electric precipitator 2 from the first smoke guide device 3
In, it is mixed with other flue gases for entering low temperature electric precipitator 2 through flue 5, heat exchanger 1, or complete to cathode
After the heating of insulator 4, flue gas is flowed into from the first smoke guide device 3 in the smoke pipeline 18 of low temperature electric precipitator 2, this goes out
Smoke pipeline 18 is connected to the flue 5 in 2 downstream of low temperature electric precipitator, to which the flue gas of heat cathode insulator 4 will be added to import
Into the flue 5 in downstream；One end of first smoke guide pipe 6, the part that 1 upstream of heat exchanger is located at flue 5 are connected to, make
Can be entered in the first smoke guide pipe 6 without the high-temperature flue gas that heat exchanger 1 cools down, and the other end of the first smoke guide pipe 6 then with
First smoke guide device 3 is connected to, to ensure that the flue gas of high temperature can enter in the first smoke guide device 3 and realize to cathode insulation
4 heating.
Special electric heater is no longer arranged in the flue gas emission of above structure on low temperature electric precipitator 2, but
Cathode insulation 4 is heated using the heat entrained by high-temperature flue gas, the energy consumption of electric heater is not only avoided, realizes
The saving of energy consumption, and it is also fully utilized by the heat in flue gas, the recycling of energy is realized, while can also reduce very
To the phenomenon that avoiding flue gas emission to be stopped due to repairing, replacing electric heater unit completely, flue gas emission system is enabled
The working efficiency of system is significantly improved.
In order to advanced optimize technical solution, in flue gas emission provided in this embodiment, further preferably to wet type
The heating of cathode insulation 4 of electric precipitator 7 also uses aforesaid way, i.e., on the wet electrical dust precipitator of flue gas emission 7
It adds and is connected to the smoke pipeline of the inner cavity of wet electrical dust precipitator 7 or wet electrical dust precipitator 7, and close to wet electrical dust precipitator 7
Second smoke guide device 8 of 4 setting of cathode insulation, flue gas can be to wet electrical dust precipitator 7 when circulating in the second smoke guide device 8
Cathode insulation 4 realize heating, while also adding connection the second smoke guide device 8 and flue 5, flue gas will not entered
Flue gas in the absorption tower 9 of exhaust system is introduced into the second smoke guide pipe 10 in the second smoke guide device 8, as shown in Figure 2.Above-mentioned knot
The setting of structure further avoids use of the electric heater on wet electrical dust precipitator 7 so that in entire flue gas emission
No longer there is electric heater, not only further reduce the energy consumption of flue gas emission, but also completely avoids flue gas row
The phenomenon that place system is stopped due to repairing, replacing electric heater unit enables flue gas emission more efficient
Work.
In the present embodiment, the structure of the first smoke guide device 3 and the second smoke guide device 8 can be there are many selection, and the two
Structure can be the same or different, preferably a kind of set-up mode is the present embodiment：The first smoke guide device 3 and second is enabled to lead
8 structure of cigarette device is identical, and be seal the babinet of cathode insulation 4, and the tank wall of babinet be can water conservancy diversion flue gas and with
The hollow tank wall 11 of the inner cavity of low temperature electric precipitator 2 or wet electrical dust precipitator 7 connection, as shown in Figure 3.Enable the first smoke guide device
3 and second smoke guide device 8 be sealing insulator babinet, flue gas can be made when flowing through hollow tank wall 11, pass through heat radiation
Mode realize the heating to cathode insulation 4, while the heat preservation to cathode insulation 4 is realized by babinet.It leads due to first
The hollow tank wall 11 of cigarette device 3 is connected to the inner cavity of low temperature electric precipitator 2, the hollow tank wall 11 of the second smoke guide device 8 with it is wet
The inner cavity of formula electric precipitator 7 is connected to, so after the completion of being heated to cathode insulation 4, flue gas can be straight from hollow tank wall 11
It connects and enters in the inner cavity of low temperature electric precipitator 2 or wet electrical dust precipitator 7, to cool down with by heat exchanger 1 or absorption tower 9
Other flue gases mixing.
In addition it is also possible to enable the first smoke guide device 3 be connected to the smoke pipeline 18 of low temperature electric precipitator 2, such as Fig. 5 institutes
Show, since the smoke pipeline 18 is connected to the flue 5 in 2 downstream of low temperature electric precipitator, it is possible to cathode insulation will be heated
The flue gas of son 4 is importing directly into the flue 5 in downstream, and the partial fume is avoided to enter the interior of low temperature electric precipitator 2
In chamber, to prevent the heat exchange excessive efficiency of dust collection to low temperature electric precipitator 2 of exhaust gas volumn from having an impact.Certainly, it is arranged wet
The second smoke guide device 8 on formula electric precipitator 7 can also be arranged in this way.
As shown in figure 4, in another set-up mode, 8 structure phase of the first smoke guide device 3 and the second smoke guide device can be enabled
Together, and include：The babinet (babinet can be identical as the body structure in a upper set-up mode) of cathode insulation 4 is sealed,
The tank wall of this babinet is also the hollow tank wall 11 for capableing of water conservancy diversion flue gas；Third smoke guide pipe 12, the third smoke guide pipe 12 are connected to hollow
The cover board 13 of tank wall 11 and cathode insulation 4, so that flue gas can enter in third smoke guide pipe 12 from hollow tank wall 11, then
It is entered in cover board 13 from third smoke guide pipe 12, the inner cavity of cathode insulation 4 is entered using the smoke guiding hole on cover board 13,
Realize the heating to cathode insulation 4 to enable flue gas to purge the inner wall of cathode insulation 4, cathode insulation 4 it is interior
Chamber is connected to the inner cavity of low temperature electric precipitator 2 or wet electrical dust precipitator 7, can enable the flue gas by sub 4 inner cavities of cathode insulation
It enters in the inner cavity of low temperature electric precipitator 2 or wet electrical dust precipitator 7.Such set-up mode equally may be implemented exhausted to cathode
The heating of edge 4.
Specifically, third smoke guide pipe 12 is connected to by insulation tube 14 with the realization of cover board 13, as shown in Figure 4.Insulation tube 14
Setting, can ensure the safer work of cathode insulation 4.
As shown in Figure 3 and Figure 4, in order to make flue gas more fully enter in the first smoke guide pipe 6 and the second smoke guide pipe 10,
To ensure that the abundant heating to cathode insulation 4, the present embodiment are further preferably all provided in the first smoke guide pipe 6 and the second smoke guide pipe 10
It is equipped with air-introduced machine 15.
More preferred, multiple first smoke guide devices 3, and the first smoke guide device 3 are provided on low temperature electric precipitator 2
With the sub 4 one-to-one settings of multiple cathode insulations of low temperature electric precipitator 2, as shown in Figure 3.Such set-up mode can be further
The heating effect to cathode insulation 4 is improved, enables the working effect of flue gas emission provided in this embodiment more prominent, institute
With the preferred arrangement as the present embodiment.
Likewise, multiple second smoke guide devices 8 are provided on wet electrical dust precipitator 7, and the second smoke guide device 8 and wet type
The sub 4 one-to-one settings of multiple cathode insulations of electric precipitator 7.
As shown in fig. 6, further including connection flue 5 and electric duster ash bucket 16 in the present embodiment, will not enter
The flue gas of heat exchanger 1 is introduced into the 4th smoke guide pipe 17 in electric duster ash bucket 16.That is, can also be used in the present embodiment same
Mode of heating other equipment for heating of needs in power plant system are heated, such as the flue gas of high temperature is entered into electric precipitation
It is heated in device ash bucket 16.
Each part is described by the way of progressive in this specification, what the structure of each part stressed is
With the difference of existing structure, the entirety and part-structure of flue gas emission can pass through the structure of the above-mentioned multiple portions of combination
And it obtains.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (10)
1. a kind of flue gas emission, including heat exchanger and low temperature electric precipitator, which is characterized in that further include：
Be arranged on the low temperature electric precipitator, and with the inner cavity of the low temperature electric precipitator or the low temperature electric precipitation
First smoke guide device of the smoke pipeline connection of device, flue gas can be to the low temperature when circulating in first smoke guide device
Cathode insulation of electric precipitator realizes heating；
It is connected to first smoke guide device and flue, the flue gas not entered in the heat exchanger is introduced into described
The first smoke guide pipe in one smoke guide device.
2. flue gas emission according to claim 1, which is characterized in that further include：
It is arranged on the wet electrical dust precipitator of the flue gas emission, with the inner cavity of the wet electrical dust precipitator or described low
Second smoke guide device of the smoke pipeline connection of warm electric precipitator, flue gas can be to institute when circulating in second smoke guide device
Cathode insulation for stating wet electrical dust precipitator realizes heating；
Second smoke guide device and the flue are connected to, in the absorption tower that the flue gas emission will not entered
Flue gas be introduced into the second smoke guide pipe in second smoke guide device.
3. flue gas emission according to claim 2, which is characterized in that first smoke guide device and described second is led
Cigarette device be seal the babinet of cathode insulation, and the tank wall of the babinet be can water conservancy diversion flue gas and with it is described low
The hollow tank wall of the inner cavity of low temperature electric precipitator or wet electrical dust precipitator connection.
4. flue gas emission according to claim 2, which is characterized in that first smoke guide device and described second is led
Cigarette device be seal the babinet of cathode insulation, and the tank wall of the babinet be can water conservancy diversion flue gas and with it is described low
The hollow tank wall of the smoke pipeline of low temperature electric precipitator or wet electrical dust precipitator connection.
5. flue gas emission according to claim 2, which is characterized in that first smoke guide device and described second is led
Cigarette apparatus structure is identical, and includes：
The babinet of cathode insulation is sealed, the tank wall of the babinet is the hollow tank wall for capableing of water conservancy diversion flue gas；
Third smoke guide pipe, the third smoke guide pipe is connected to the cover board of the hollow tank wall and cathode insulation, so that flue gas
It flows through the inner cavity of cathode insulation and enters in the inner cavity of the low temperature electric precipitator or the wet electrical dust precipitator.
6. flue gas emission according to claim 5, which is characterized in that the third smoke guide pipe passes through insulation tube and institute
It states cover board and realizes connection.
7. according to the flue gas emission described in any one of claim 2-6, which is characterized in that first smoke guide pipe and
It is both provided with air-introduced machine in second smoke guide pipe.
8. flue gas emission according to claim 7, which is characterized in that be provided on the low temperature electric precipitator more
A first smoke guide device, and multiple cathode insulation one of first smoke guide device and the low temperature electric precipitator
It is arranged to one.
9. flue gas emission according to claim 7, which is characterized in that be provided on the wet electrical dust precipitator multiple
Second smoke guide device, and multiple cathode insulation of second smoke guide device and the wet electrical dust precipitator are one-to-one
Setting.
10. flue gas emission according to claim 7, which is characterized in that further include the connection flue and electricity
Dust collector ash hopper, the 4th smoke guide pipe flue gas for not entering the heat exchanger being introduced into the electric duster ash bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774959.6U CN207648833U (en) | 2017-12-18 | 2017-12-18 | A kind of flue gas emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774959.6U CN207648833U (en) | 2017-12-18 | 2017-12-18 | A kind of flue gas emission |
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| Publication Number | Publication Date |
|---|---|
| CN207648833U true CN207648833U (en) | 2018-07-24 |
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ID=62877283
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721774959.6U Active CN207648833U (en) | 2017-12-18 | 2017-12-18 | A kind of flue gas emission |
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| CN (1) | CN207648833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115025880A (en) * | 2022-05-23 | 2022-09-09 | 西安西矿环保科技有限公司 | High-temperature sealing coupling hot air purging system for high-temperature electric precipitator insulator |
-
2017
- 2017-12-18 CN CN201721774959.6U patent/CN207648833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115025880A (en) * | 2022-05-23 | 2022-09-09 | 西安西矿环保科技有限公司 | High-temperature sealing coupling hot air purging system for high-temperature electric precipitator insulator |
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