CN201719946U - Flue gas filter system - Google Patents
Flue gas filter system Download PDFInfo
- Publication number
- CN201719946U CN201719946U CN2010202327689U CN201020232768U CN201719946U CN 201719946 U CN201719946 U CN 201719946U CN 2010202327689 U CN2010202327689 U CN 2010202327689U CN 201020232768 U CN201020232768 U CN 201020232768U CN 201719946 U CN201719946 U CN 201719946U
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- China
- Prior art keywords
- filtering ponds
- pipe
- boiler
- flue gas
- smoke
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Abstract
The utility model discloses a flue gas filter system for filtering flue gas generated during the operation of a boiler, and has improved flue gas dust removing effect. The flue gas filter system comprises the boiler and a main smoke pipe arranged on the boiler; and the main smoke pipe is connected with a plurality of filter basins arranged at the upper part of the boiler. By arranging the filter basins at the upper part of the boiler, flue gas can be filtered by the filter basins, and heat quantity generated by the boiler can heat water in the filter basins into vapor, so as to filter dust in the flue gas in a better way, and greatly improve the flue gas dust removing effect; and by setting the distance between the liquid level in each filter basin and the top inner wall of the filter basin to be less than 150 mm, and utilizing the vapor in each circulating pipeline generated by residual heat of the boiler, the dust removal efficiency can be more than 99 percent. Therefore, the utility model is suitable to be popularized and applied in various dust removing occasions taking coal as fuel.
Description
Technical field
The utility model relates to a kind of filtration system, especially relates to a kind of smoke filtration system that the boiler for producing flue gas that produces in service is filtered.
Background technology
At present, in the boiler for producing process, because the general fuel that adopts coal as boiler, make coal-fired a large amount of dust flue gas (wherein containing harmful substances such as sulfur dioxide, carbon monoxide) that contain that in combustion process, produce, if directly enter the pollution that can cause in the air to environment.Existing general wherein a kind of processing mode is, filtered water reservoir is set outside boiler, the smoke pipe of boiler and this pond are connected, and the flue gas that will contain dust is sent into and is made dust by the water filtration in the pond in this filtered water reservoir, and then filtered smoke gas is drained in the air.Another kind of processing mode then is, connects water pipe at the smoke pipe side of boiler, and by the high pressure mode water formed spray form and be injected in the Boiler smoke tube, and the flue gas that contains dust is during by this water smoke, and dust is filtered sinking, and flue gas is drained in the atmosphere.But above dual mode is equal poor effect in the smoke treatment process, and its efficiency of dust collection generally can only reach about 50%, causes still having a large amount of harmful substances to enter atmosphere, causes the pollution to environment.
The utility model content
Technical problem to be solved in the utility model provides a kind of smoke filtration system that improves dust removing effects.
The technical scheme that its technical problem that solves the utility model adopts is: the smoke filtration system, and comprise boiler and be arranged on main smoke pipe on the boiler, main smoke pipe is connected with filtering ponds, and described filtering ponds are arranged on upper boiler.
Further be that described filtering ponds have at least two.
Further be, be connected with smoke-intake pipe and pipe between described each filtering ponds and the main smoke pipe, be provided with dividing plate in the main smoke pipe between the outlet of the inlet of smoke-intake pipe and pipe.
Further be, be connected with the water level control pipe that communicates with the filtering ponds inner chamber on top, filtering ponds side, water level control pipe is provided with the altitude valve door.
Further be that water level control pipe and the filtering ponds junction distance between the filtering ponds end face inwall is less than 150mm.
Further be, be connected with water inlet pipe and drainpipe on filtering ponds, water inlet pipe is provided with the water inlet control valve door, and drainpipe is provided with the draining control valve door, is connected with the dust collection jar at the end of drainpipe.
Further be that described drainpipe is connected the bottom of place, below or filtering ponds, filtering ponds side.
Further be, the vertical layered layout of described filtering ponds, water inlet pipe connects the filtering ponds of the superiors, and drainpipe connects undermost filtering ponds, is provided with connecting pipe between the adjacent two layers filtering ponds, and connecting pipe is provided with the current opening/shutting valve.
Further be that the inlet of described connecting pipe is arranged on the bottom of place, below or filtering ponds, filtering ponds side.
The beneficial effects of the utility model are: by a plurality of filtering ponds are arranged on upper boiler, when filtering ponds filter flue gas, the heat that boiler is produced heats the water in the filtering ponds and forms steam, dust in flue gas is filtered better, can improve the dust removing effects of flue gas greatly; And be set to less than 150mm to the distance between the filtering ponds end face inwall by the liquid level in the filtering ponds, the lower punch power of controlled tobacco curing gas after entering filtering ponds is greater than exerting oneself outside it, shortened the distance of flue gas contact liquid level, reduce outer exerting oneself simultaneously to the absorption affinity of flue gas, thereby dust in flue gas is filtered in the pond as far as possible more in large area, and the bonded boiler waste heat is created in the steam in each circulating line, dust removal efficiency is reached more than 99%, and being adapted at the coal is that the various dedusting occasions of fuel are applied.
Description of drawings
Fig. 1 is a structural representation of the present utility model, and the direction of arrow is represented the direction of motion of flue gas among the figure.
Be labeled as among the figure: boiler 1, main smoke pipe 2, filtering ponds 3, smoke-intake pipe 4, pipe 5, dividing plate 6, water level control pipe 7, altitude valve door 8, water inlet pipe 9, drainpipe 10, water inlet control valve door 11, draining control valve door 12, dust collection jar 13, connecting pipe 14, current opening/shutting valve 15.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, smoke filtration of the present utility model system comprises boiler 1 and is arranged on main smoke pipe 2 on the boiler 1 that main smoke pipe 2 is connected with filtering ponds 3, and described filtering ponds 3 are arranged on boiler 1 top.In the production process of boiler 1, flue gas is discharged from main smoke pipe 2 and is entered filtering ponds 3, filters by 3 pairs of dust in flue gas of filtering ponds.And because filtering ponds 3 are arranged on boiler 1 top, then filtering ponds 3 are when filtering, and the heat that boiler 1 produces adds thermosetting steam to the water in the filtering ponds 3, can better the dust in flue gas particle be filtered, and can improve the dust removing effects of flue gas greatly.
In the above-described embodiment, filtering ponds 3 can only be provided with one, but for the better filter effect that improves, described filtering ponds 3 have at least two, then by the multiple times of filtration of filtering ponds 3, efficiency of dust collection are reached more than 90%.
In the above embodiment, can directly main smoke pipe 2 be connected on the filtering ponds 3, but for the ease of the layout between each structural member, be connected with smoke-intake pipe 4 and pipe 5 between described each filtering ponds 3 and the main smoke pipe 2, be provided with dividing plate 6 in the main smoke pipe 2 between the outlet of the inlet of smoke-intake pipe 4 and pipe 5.During work, flue gas is discharged in the main smoke pipe 2 from boiler 1 top, in the smoke movement process, flue gas is at first run into the dividing plate 6 of below, makes the smoke movement direction change, and enters into undermost filtering ponds 3 from smoke-intake pipe 4, dust enters in the main smoke pipe 1 from pipe 5 after filtering, flue gas continues motion then, when running into second layer dividing plate 6, takes place to filter for the second time.
Liquid level in the controlled filter pond 3 is connected with the water level control pipe 7 that communicates with filtering ponds 3 inner chambers on top, filtering ponds 3 side, and water level control pipe 7 is provided with altitude valve door 8.Because the setting of water level control pipe 7 is after filling with water in the filtering ponds 3, by opening altitude valve door 8, liquid level in the filtering ponds 3 is descended, when water level was reduced to the junction of water level control pipe 7 and filtering ponds 3, liquid level no longer descended, thereby reached the liquid level in the controlled filter pond 3.And for flue gas fully is passed in the liquid of filtering ponds 3, water level control pipe 7 and the filtering ponds 3 junctions distance between the filtering ponds 3 end face inwalls is less than 150mm, just liquid level is set to less than 150mm to the distance between the filtering ponds 3 end face inwalls, the lower punch power that controlled tobacco curing gas enters behind the filtering ponds 3 is exerted oneself greater than outside it, shortened the distance that flue gas enters liquid level, reduce outer exerting oneself, thereby dust in flue gas is filtered as far as possible more in large area in the pond the absorption affinity of flue gas; And the bonded boiler waste heat is created in the steam in each circulating line, and efficiency of dust collection is reached more than 99%.
Water inlet and draining for ease of filtering ponds 3, on filtering ponds 3, be connected with water inlet pipe 9 and drainpipe 10, water inlet pipe 9 is provided with water inlet control valve door 11, and drainpipe 10 is provided with draining control valve door 12, is connected with dust collection jar 13 at the end of drainpipe 10.In filter process, water inlet control valve door 11 is all closed with draining control valve door 12, when after work a period of time, can accumulate a large amount of dust in the filtering ponds 3, at this moment, need this dust discharge carrying out secondary utilization, then draining control valve door 12 is opened, and dust is discharged in the dust collection jar 13 behind connecting pipe 14, drainpipe 10 with current, open water inlet control valve door 11 simultaneously, water filling in filtering ponds 3 is cleaned filtering ponds 3, with the dust emptying.After the dust emptying, close draining control valve door 12, water inlet control valve door 11 is still opened, and water filling in filtering ponds 3 is the ready work of the filtration of next round.
In order fully the dust that accumulates in the filtering ponds 3 to be drained, described drainpipe 10 is connected the bottom of place, below or filtering ponds 3, filtering ponds 3 sides.
In the above embodiment, each filtering ponds 3 can be connected with water inlet pipe 9 and drainpipe 10 respectively, and is connected with dust collection jar 13 respectively and works alone.As preferred implementation, described filtering ponds 3 vertical layered layouts, water inlet pipe 9 connects the filtering ponds 3 of the superiors, and drainpipe 10 connects undermost filtering ponds 3, be provided with connecting pipe 14 between adjacent two layers filtering ponds 3, connecting pipe 14 is provided with current opening/shutting valve 15.By the setting of connecting pipe 14, can simplify the layout of water inlet pipe 9 and drainpipe 10 greatly.When water filling in filtering ponds 3, open current opening/shutting valve 15, close altitude valve door 8, after filling with water in the filtering ponds 3, by opening altitude valve door 8 and closing current opening/shutting valve 15, can make the liquid level in each filtering ponds 3 reach required control height.The inlet of this connecting pipe 14 also is preferably disposed on the bottom of place, below or filtering ponds 3, filtering ponds 3 sides, so that fully the dust that accumulates in the filtering ponds 3 is drained.
Claims (9)
1. smoke filtration system comprises boiler (1) and is arranged on main smoke pipe (2) on the boiler (1) that main smoke pipe (2) is connected with filtering ponds (3), it is characterized in that: described filtering ponds (3) are arranged on boiler (1) top.
2. smoke filtration as claimed in claim 1 system, it is characterized in that: described filtering ponds (3) have at least two.
3. smoke filtration as claimed in claim 2 system, it is characterized in that: be connected with smoke-intake pipe (4) and pipe (5) between described each filtering ponds (3) and the main smoke pipe (2), be provided with dividing plate (6) in the main smoke pipe (2) between the outlet of the inlet of smoke-intake pipe (4) and pipe (5).
4. as claim 1,2 or 3 described smoke filtration systems, it is characterized in that: be connected with the water level control pipe (7) that communicates with filtering ponds (3) inner chamber on filtering ponds (3) top, side, water level control pipe (7) is provided with altitude valve door (8).
5. smoke filtration as claimed in claim 4 system is characterized in that: water level control pipe (7) and filtering ponds (3) junction to the distance between filtering ponds (3) the end face inwall less than 150mm.
6. smoke filtration as claimed in claim 5 system, it is characterized in that: on filtering ponds (3), be connected with water inlet pipe (9) and drainpipe (10), water inlet pipe (9) is provided with water inlet control valve door (11), drainpipe (10) is provided with draining control valve door (12), is connected with dust collection jar (13) at the end of drainpipe (10).
7. smoke filtration as claimed in claim 6 system is characterized in that: described drainpipe (10) is connected the bottom of place, below or filtering ponds (3), filtering ponds (3) side.
8. smoke filtration as claimed in claim 7 system, it is characterized in that: the vertical layered layout of described filtering ponds (3), water inlet pipe (9) connects the filtering ponds (3) of the superiors, drainpipe (10) connects undermost filtering ponds (3), be provided with connecting pipe (14) between adjacent two layers filtering ponds (3), connecting pipe (14) is provided with current opening/shutting valve (15).
9. smoke filtration as claimed in claim 8 system is characterized in that: the inlet of described connecting pipe (14) is arranged on the bottom of place, below or filtering ponds (3), filtering ponds (3) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202327689U CN201719946U (en) | 2010-06-22 | 2010-06-22 | Flue gas filter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202327689U CN201719946U (en) | 2010-06-22 | 2010-06-22 | Flue gas filter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201719946U true CN201719946U (en) | 2011-01-26 |
Family
ID=43488220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202327689U Expired - Fee Related CN201719946U (en) | 2010-06-22 | 2010-06-22 | Flue gas filter system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201719946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826433A (en) * | 2015-04-28 | 2015-08-12 | 朱锋 | Multifunctional environment-friendly smoke filtering apparatus |
| CN110624338A (en) * | 2019-11-05 | 2019-12-31 | 徐州宝美工程机械有限公司 | Metallurgical waste gas recycles green treatment facility |
-
2010
- 2010-06-22 CN CN2010202327689U patent/CN201719946U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826433A (en) * | 2015-04-28 | 2015-08-12 | 朱锋 | Multifunctional environment-friendly smoke filtering apparatus |
| CN110624338A (en) * | 2019-11-05 | 2019-12-31 | 徐州宝美工程机械有限公司 | Metallurgical waste gas recycles green treatment facility |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20140622 |
|
| EXPY | Termination of patent right or utility model |