CN203899382U - Tail gas treatment system - Google Patents
Tail gas treatment system Download PDFInfo
- Publication number
- CN203899382U CN203899382U CN201420313033.7U CN201420313033U CN203899382U CN 203899382 U CN203899382 U CN 203899382U CN 201420313033 U CN201420313033 U CN 201420313033U CN 203899382 U CN203899382 U CN 203899382U
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- CN
- China
- Prior art keywords
- treatment system
- alkaline water
- water tank
- exhaust treatment
- settling chamber
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Abstract
The utility model relates to the technical field of thermodynamic environment protection, and in particular relates to a tail gas treatment system. The tail gas treatment system comprises a gravity settling chamber, a cyclone dust removal device, an alkaline water tank and a chimney which are sequentially connected by virtue of pipelines, wherein a heat exchange device used for exchanging heat with high-temperature tail gas is at least arranged at the front end of the gravity settling chamber; the alkaline water tank is internally provided with a stirring paddle used for enabling the tail gas to be fully contacted with alkaline water. According to the tail gas treatment system, the heat exchange device used for exchanging heat with high-temperature flue gas is arranged in the gravity settling chamber, so that the heat in the flue gas can be recovered, and the utilization rate of energy is improved; furthermore, the particles in the flue gas can be removed by the multiple devices including the gravity settling chamber, the cyclone dust removal device and the alkaline water tank, so that the dust in the flue gas can be better separated, and the small-particle dust can be better separated.
Description
Technical field
The utility model relates to heating power environmental technology field, relates in particular to a kind of exhaust treatment system.
Background technology
The place such as boiler room, drinking water boiler room of current foundry in Thermal Power Station, mine, building materials powder field, factory, the central heating in city all exists the pollution of dust and flue gas, especially for city, this situation is regarded as a kind of serious pollution, and the dust-removal and desulfurizing of everyway in the time making great efforts by smoke evacuation solves the pollution problem bringing thus.
But existing flue gas processing device, often have that volume is large, complex structure, the problem that manufacturing cost is high, cannot utilize fully the heat containing in flue gas simultaneously, cause energy waste, and the short grained dust in flue gas can not be removed fully, still can be to environment.
For the problems referred to above, we need a kind of can utilization fully the tail gas in flue gas, and can remove the exhaust treatment system of flue gas small particles dust.
Utility model content
The purpose of this utility model is to propose a kind of exhaust treatment system, can utilize fully the heat in tail gas, and can remove tail gas small particles dust.
For reaching this object, the utility model by the following technical solutions:
A kind of exhaust treatment system, it comprises the gravity settling chamber connecting by pipeline successively, cyclone dust collector, alkaline water tank and chimney;
The front end of at least described gravity settling chamber is provided with for carrying out the heat-exchanger rig of exchange heat with high-temperature tail gas;
In described alkaline water tank, be provided with the paddle that tail gas is fully contacted with alkaline water.
As a kind of preferred version of above-mentioned exhaust treatment system, described heat-exchanger rig is the heat exchange coil that is arranged on gravity settling chamber front portion, and the rear portion of gravity settling chamber is the pyramidal structure that bottom has dust-exhausting port.
As a kind of preferred version of above-mentioned exhaust treatment system, described cyclone dust collector comprises cylinder, and is arranged on the conically shaped of cylinder bottom; On the sidewall of described cylinder, offer air inlet, its middle part has the blast pipe of concentric setting, and the bottom of described blast pipe is provided with the skirt border structure of preventing gas flow short-circuit.
As a kind of preferred version of above-mentioned exhaust treatment system, described skirt border structure is the sloping baffle structure circumferentially arranging along blast pipe.
As a kind of preferred version of above-mentioned exhaust treatment system, on the inwall of the conically shaped of described cyclone dust collector, counter offer is wound with secondary heat exchange coil pipe.
As a kind of preferred version of above-mentioned exhaust treatment system, described alkaline water case comprises airtight housing, be arranged on inlet channel and exhaust passage on described housing, and water inlet, the discharge outlet of housing upper and lower be set respectively, the openend of described inlet channel is positioned at below the liquid level of alkaline water tank, and the openend of exhaust passage is positioned on the liquid level of alkaline water tank.
As a kind of preferred version of above-mentioned exhaust treatment system, between described alkaline water tank and chimney, be also provided with drying device.
As a kind of preferred version of above-mentioned exhaust treatment system, also comprise exhaust fan, described exhaust fan is arranged on the air inlet place of chimney.
The beneficial effects of the utility model are: the application provides a kind of exhaust treatment system, it is by the indoor heat-exchanger rig that is provided for carrying out with high-temperature flue gas exchange heat of gravitational settling, realize the recovery to heat in flue gas, improve the utilization rate of energy, secondly, by gravity settling chamber, cyclone dust collector and the multiple devices of alkaline water tank, the particle in flue gas is removed, the better dust in separating flue, and short grained dust is had to good separating effect.
Brief description of the drawings
Fig. 1 is the structural representation of the exhaust treatment system that provides of the utility model detailed description of the invention;
Fig. 2 is the structural representation of the cyclone dust collector that provides of the utility model detailed description of the invention.
Wherein:
1: gravity settling chamber; 2: cyclone dust collector; 3: alkaline water tank; 4: chimney; 5: heat-exchanger rig; 6: paddle; 7: cylinder; 8: conically shaped; 9: blast pipe; 10: skirt border structure; 11: inlet channel; 12: exhaust passage; 13: drying device.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Figure 1 and Figure 2, a kind of exhaust treatment system, comprise the gravity settling chamber 1 connecting by pipeline successively, cyclone dust collector 2, alkaline water tank 3 and chimney 4, wherein, at least the front end of gravity settling chamber 1 is provided with for carrying out the heat-exchanger rig 5 of exchange heat with high-temperature tail gas, is provided with the paddle 6 that tail gas is fully contacted with alkaline water in alkaline water tank 3.
The course of work of above-mentioned exhaust treatment system is: high-temperature flue gas enter after exhaust treatment system first with gravity settling chamber 1 in heat-exchanger rig 5 carry out exchange heat, heat transferring medium in heat exchanging device 5 heats, then when flue gas passes through the rear portion of gravity settling chamber 1, oarse-grained dust is in the interior sedimentation of gravity settling chamber 1, depart from flue gas, then flue gas is by cyclone dust collector 2, interior most particle at cyclone dust collector 2 separates with flue gas, flue gas after cyclone dust collector 2 enters alkaline water tank 3, sulfur dioxide in the interior flue gas of alkaline water tank 3 and alkaline solution reaction are removed, tiny particle rests in water in the effect weight increase due to water simultaneously, the tail gas of processing through alkaline water tank 3 is finally discharged by chimney 4.
The exhaust treatment system that present embodiment provides, tail gas is by multistage dust processing, and energy exchange and wet method are removed the mode of sulfur dioxide, effectively removed dust and the sulfide in tail gas, and the energy containing in flue gas is made full use of.
Heat-exchanger rig 5 is for being arranged on the heat exchange coil of gravity settling chamber 1 front portion, and the rear portion of gravity settling chamber 1 is the pyramidal structure that bottom has dust-exhausting port.Wherein, in heat exchange coil, the medium of circulation is water, and in smoke evacuation process, the water in heat and heat exchange coil in flue gas carries out exchange heat, and water can be heated thus, and the water after heating can, for heating or domestic water, improve the utilization ratio of the energy.The pyramidal structure with dust-exhausting port is made at the rear portion of gravity settling chamber 1, can be conducive to the sedimentation of particle in flue gas, and particle after sedimentation can be discharged by dust-exhausting port.
Cyclone dust collector 2 comprises cylinder 7, and is arranged on the conically shaped 8 of cylinder 7 bottoms; On the sidewall of cylinder 7, offer air inlet, its middle part has the blast pipe 9 of concentric setting, and the bottom of blast pipe 9 is provided with the skirt border structure 10 of preventing gas flow short-circuit.Concrete, skirt border structure 10 is the sloping baffle structure circumferentially arranging along blast pipe 9.This skirt border structure 10 can prevent that ascending air from impacting down current.
Because the flue gas that enters cyclone dust collector 2 is probably between 100 DEG C-150 DEG C, for this part heat is utilized, on the inwall of the conically shaped of cyclone dust collector 2, counter offer is wound with secondary heat exchange coil pipe (not shown).Can further improve the utilization rate to the energy by the setting at secondary heat exchange coil pipe.
Alkalescence water tank 3 comprises airtight housing, be arranged on inlet channel 11 and exhaust passage 12 on described housing, and water inlet, the discharge outlet of housing upper and lower be set respectively, the openend of inlet channel 11 is positioned at below the liquid level of alkaline water tank, and the openend of exhaust passage 12 is positioned on the liquid level of alkaline water tank 3.By the flue gas of alkaline water tank 3, entered in alkaline water tank 3 by inlet channel 11, and be emitted in alkaline aqueous solution, can make flue gas fully contact with alkaline water by the stirring of paddle, can make sulfur dioxide fully be removed.
In order to prevent that moisture flue gas from impacting chimney, the application is also provided with drying device 13 between alkaline water tank 3 and chimney 4.
In order to improve the ventilation efficiency of exhaust gas processing device, above-mentioned exhaust gas processing device also comprises exhaust fan (not shown), and described exhaust fan is arranged on the air inlet place of chimney 4.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (8)
1. an exhaust treatment system, is characterized in that, comprises the gravity settling chamber (1) connecting by pipeline successively, cyclone dust collector (2), alkaline water tank (3) and chimney (4);
The front end of at least described gravity settling chamber (1) is provided with for carrying out the heat-exchanger rig (5) of exchange heat with high-temperature tail gas;
In described alkaline water tank (3), be provided with the paddle (6) that tail gas is fully contacted with alkaline water.
2. exhaust treatment system according to claim 1, is characterized in that, described heat-exchanger rig (5) is for being arranged on the anterior heat exchange coil of gravity settling chamber (1), and the rear portion of gravity settling chamber (1) is the pyramidal structure that bottom has dust-exhausting port.
3. exhaust treatment system according to claim 1, is characterized in that, described cyclone dust collector (2) comprises cylinder (7), and is arranged on the conically shaped (8) of cylinder (7) bottom; On the sidewall of described cylinder (7), offer air inlet, its middle part has the blast pipe (9) of concentric setting, and the bottom of described blast pipe (9) is provided with the skirt border structure (10) of preventing gas flow short-circuit.
4. exhaust treatment system according to claim 3, is characterized in that, described skirt border structure (10) is the sloping baffle structure circumferentially arranging along blast pipe (9).
5. exhaust treatment system according to claim 3, is characterized in that, on the inwall of the conically shaped of described cyclone dust collector (2), counter offer is wound with secondary heat exchange coil pipe.
6. exhaust treatment system according to claim 1, it is characterized in that, described alkaline water tank (3) comprises airtight housing, be arranged on inlet channel (11) and exhaust passage (12) on described housing, and water inlet, the discharge outlet of housing upper and lower be set respectively, the openend of described inlet channel (11) is positioned at below the liquid level of alkaline water tank (3), and the openend of exhaust passage (12) is positioned on the liquid level of alkaline water tank (3).
7. exhaust treatment system according to claim 1, is characterized in that, between described alkaline water tank (3) and chimney (4), is also provided with drying device (13).
8. exhaust treatment system according to claim 1, is characterized in that, also comprises exhaust fan, and described exhaust fan is arranged on the air inlet place of chimney (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313033.7U CN203899382U (en) | 2014-06-13 | 2014-06-13 | Tail gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313033.7U CN203899382U (en) | 2014-06-13 | 2014-06-13 | Tail gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203899382U true CN203899382U (en) | 2014-10-29 |
Family
ID=51773675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420313033.7U Expired - Fee Related CN203899382U (en) | 2014-06-13 | 2014-06-13 | Tail gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203899382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001402A (en) * | 2014-06-13 | 2014-08-27 | 龙飞 | Off-gas treatment system |
-
2014
- 2014-06-13 CN CN201420313033.7U patent/CN203899382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001402A (en) * | 2014-06-13 | 2014-08-27 | 龙飞 | Off-gas treatment system |
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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: 20141029 Termination date: 20150613 |
|
| EXPY | Termination of patent right or utility model |