CN209576211U - A kind of vent gas treatment and residual heat using device - Google Patents
A kind of vent gas treatment and residual heat using device Download PDFInfo
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- CN209576211U CN209576211U CN201821841715.XU CN201821841715U CN209576211U CN 209576211 U CN209576211 U CN 209576211U CN 201821841715 U CN201821841715 U CN 201821841715U CN 209576211 U CN209576211 U CN 209576211U
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Abstract
The utility model provides a kind of vent gas treatment and residual heat using device, including scrubbing tower, economizer, combustion chamber, steam boiler, Pneumatic drying device and chimney；Since the entrance of scrubbing tower connects tail gas outlet, the first air inlet of the outlet connection economizer of scrubbing tower, the entrance of the first gas outlet connection combustion chamber of economizer, the entrance of the outlet connection steam boiler of combustion chamber；Pass through the substances such as ethyl alcohol and the CO removed in tail gas respectively that wash and burn, the high-temperature gas generated after burning enters steam boiler, second air inlet of the outlet connection economizer of steam boiler, the entrance of the second gas outlet connection Pneumatic drying device of economizer, the outlet of Pneumatic drying device connects chimney, steam boiler plays the first time utilization to heat, Pneumatic drying device plays second of utilization to heat, it has not only handled tail gas clean, has also recycled the heat generated to greatest extent.
Description
Technical field
The utility model relates to derived energy chemical fields, and in particular at a kind of tail gas of CO gaseous fermentation legal system ethanol
Reason and residual heat using device.
Background technique
Currently, industrial tail gas recycles usually in the form of combustion heating or power generation, a large amount of dirt can be given off in this way
Contaminate object such as CO2, SO2 and dust etc..And it is converted into liquid ethanol and other products using industrial tail gas as raw material, it can be with
The discharge because of burning bring CO2, SO2 and particulate matter is effectively reduced, has positive effect to improvement haze weather, protection environment.
But still contains a small amount of CO in fermentation tail gas in industrial tail gas fermentation ethanol processed, air can not be directly discharged to
In, need to reach by further handling the standard of safety dumping.It is by the CO in tail gas in current technology level
It is converted into CO2, more than the use aspects for leading to the problem of heat there are utilization efficiency low, heat waste.
Utility model content
The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a kind of to purify CO gas
Tail gas in body fermentation legal system ethanol simultaneously can make full use of the vent gas treatment and residual heat using device of thermal energy therein.
In order to achieve the above purpose, the utility model uses the following technical solution:
In a general aspect, the vent gas treatment and UTILIZATION OF VESIDUAL HEAT IN dress of a kind of CO gaseous fermentation legal system ethanol are provided
It sets, including scrubbing tower, economizer, combustion chamber, steam boiler, Pneumatic drying device and chimney；Wherein:
The entrance of scrubbing tower connects tail gas outlet, the first air inlet of the outlet connection economizer of scrubbing tower, economizer
The first gas outlet connection combustion chamber entrance, the entrance of the outlet connection steam boiler of combustion chamber, the outlet of steam boiler connects
The second air inlet of economizer is connect, the second gas outlet of economizer connects the entrance of Pneumatic drying device, Pneumatic drying device
Outlet connection chimney.
Preferably, Pneumatic drying device is using thermal current as the drying equipment of heat source.
Preferably, combustion chamber is direct-combustion furnace or heat accumulating type oxidation furnace.
Preferably, steam boiler includes drum, evaporation chamber and steam control valve, and the steam inlet of drum connects evaporation cavity
The steam outlet of drum is arranged in the steam (vapor) outlet of room, steam control valve.
Preferably, be provided with circulation water inlet and circulating outlet on scrubbing tower, circulation water inlet and circulating outlet it
Between be connected with circulating pump.
Preferably, vent gas treatment and residual heat using device further include air-introduced machine, and air-introduced machine number is two, and respectively first
Air-introduced machine and the second air-introduced machine, the first air-introduced machine be arranged in economizer the second gas outlet and Pneumatic drying device entrance it
Between, the second air-introduced machine is arranged between the outlet of Pneumatic drying device and chimney.
Preferably, vent gas treatment and residual heat using device further include air blower, and air blower number is two, and respectively first
Air blower and the second air blower, the first air blower are connected with combustion chamber, and the second air blower is connected with Pneumatic drying device,
Junction is between the second air-introduced machine and Pneumatic drying device.
Preferably, the first air-introduced machine is connected with chimney.
Preferably, bypass valve is provided between the first air-introduced machine and chimney.
The utility model provides the vent gas treatment and residual heat using device of a kind of CO gaseous fermentation legal system ethanol, by
In scrubbing tower entrance connect tail gas outlet, scrubbing tower outlet connection economizer the first air inlet, the first of economizer
Gas outlet connects the entrance of combustion chamber, the entrance of the outlet connection steam boiler of combustion chamber；It is removed respectively by washing and burning
The substances such as ethyl alcohol and CO in tail gas, the high-temperature gas generated after burning enter steam boiler, and the outlet connection of steam boiler saves
Second air inlet of coal device, the entrance of the second gas outlet connection Pneumatic drying device of economizer, the outlet of Pneumatic drying device
Chimney is connected, steam boiler plays the first time utilization to heat, and Pneumatic drying device plays second of benefit to heat
With not only having handled tail gas clean, there are no the wastes for causing heat.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the vent gas treatment of the utility model and the structural schematic diagram of residual heat using device.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 is the vent gas treatment of the utility model and the structural schematic diagram of residual heat using device, as shown in Figure 1, this is practical
A kind of vent gas treatment and residual heat using device disclosed in new embodiment, including scrubbing tower 1, economizer 2, combustion chamber 3, steam copper
Furnace 4, Pneumatic drying device 5 and chimney 6；Wherein:
The entrance of scrubbing tower 1 connects tail gas outlet, and the first air inlet of the outlet connection economizer 2 of scrubbing tower 1 saves coal
The entrance of the first gas outlet connection combustion chamber 3 of device 2, the entrance of the outlet connection steam boiler of combustion chamber 3, steam boiler
Second air inlet of outlet connection economizer 2, the entrance of the second gas outlet connection Pneumatic drying device 5 of economizer 2, air-flow are dry
The outlet of dry device 5 connects chimney 6.
In the present embodiment, the exhaust gas amount that CO content is 50% is 50000Nm3, reacted heel row in the fermenter
Gas flow out is 42000Nm3, wherein the content of CO is 11%.When the gas containing CO is in the fermenter through the metabolism of thallus
After reaction is converted into ethyl alcohol, the main component of tail gas is ethyl alcohol, N2 and CO2, and partially reacting incomplete CO can also arrange with tail gas
Out；Tail gas first enters scrubbing tower 1 from the entrance of scrubbing tower 1, and scrubbing tower 1 is provided with a large amount of water, and exhaust gas enters scrubbing tower 1
Afterwards, alcohol gas is soluble in water, and remaining gas is then discharged by the outlet of scrubbing tower 1.It is worth noting that, the entrance of scrubbing tower 1
The lower part of scrubbing tower 1 is set, and the top of scrubbing tower 1 is arranged in the outlet of scrubbing tower 1.Meanwhile in order to guarantee that ethyl alcohol is washing
It is all recycled in tower 1, is additionally provided with circulation water inlet 11 and circulating outlet 13 on scrubbing tower 1, circulation water inlet 11 and followed
Circulating pump 13 is connected between ring water outlet 12, likewise, the lower part of scrubbing tower 1, cyclic water outlet is arranged in circulation water inlet 11
The top of scrubbing tower 1 is arranged in mouth 12.
Tail gas after washing can enter back into combustion chamber 3 from scrubbing tower 1 after the preheating of economizer 2, and economizer 2 preheats
Gas temperature afterwards is 300 DEG C.Entrance in combustion chamber is also connected with the first air blower 71, and 71 tail gas of the first air blower enters combustion
While burning room 3, air can be blasted to combustion chamber 3；In combustion chamber 3 in 800-900 DEG C of hot environment, CO is oxidized to
CO2, while discharging amount of heat.
Further, combustion chamber 3 is direct-combustion furnace or heat accumulating type oxidation furnace.
The tail gas of high temperature can enter steam boiler 4 from the outlet of combustion chamber 3, and in the present embodiment, steam boiler 4 includes vapour
Packet 41, evaporation chamber 42 and steam control valve 43, the steam (vapor) outlet of the steam inlet connection evaporation chamber 42 of drum 41, steam
The steam outlet of drum 41 is arranged in regulating valve 43.The tail gas of high temperature enters evaporation chamber 42, is steamed water by exchanging heat with water
Hair is vapor, and vapor enters drum and supplies steam outward by pressure-regulating valve, realizes the effective use to heat.
Specifically, the steam pressure of steam control valve 43 is 1MPa, the generation rate of steam is 15t/h.By evaporating
After heat exchange in chamber 42, the temperature of tail gas is 500 DEG C.
Further, tail gas enters the second air inlet of economizer 2 from the outlet of evaporation chamber 42, inside economizer 2
It exchanges heat with the tail gas for newly entering economizer 2 after washing, the exhaust temperature after heat exchange is 250 DEG C.
After heat exchange, tail gas enters Pneumatic drying device 5 from economizer 2, it is notable that the of economizer 2
It is additionally provided with the first air-introduced machine 81 between two gas outlets and the entrance of Pneumatic drying device 5, the first air-introduced machine 81 is by tail gas from province
Coal device 2 introduces Pneumatic drying device 5.Meanwhile also the second air blower 72 being connected with Pneumatic drying device 5, the second air blast
Machine 72 blows air into Pneumatic drying device 5, realizes the mixing preparation of tail gas and air in the duct, the gas deployed
Temperature is 170 DEG C.
In the present embodiment, Pneumatic drying device 5 is using thermal current as the drying equipment of heat source, such as spray dryer, stream
Change bed dryer or boiling drier etc..According to drying machine working principle, above-mentioned drying machine be using hot wind as drying source,
When tail gas enters drying device 5, so that it may which, by wet stock therein, such as the moisture evaporation in albumen, gas temperature is down to later
70 DEG C, realize the utilization again of heat.
Further, the vent gas treatment and residual heat using device of the present embodiment further include the second air-introduced machine 82, the second air inducing
Machine 82 is arranged between the outlet of Pneumatic drying device 5 and chimney 6, and tail gas of the drying after complete is introduced into chimney and is discharged.
Further, it is additionally provided with to be connected with the first air-introduced machine 81 on chimney 6 and thread a pipe, the chain link node position of the pipeline
In the connecting pipe of the first air-introduced machine 81 and Pneumatic drying device 5, tail gas both can be introduced air-flow and done by the first air-introduced machine 81
Tail gas can also be introduced directly into chimney 6 and is discharged by dry device.Side is provided in connecting pipe between first air-introduced machine and chimney
Road valve 9, when Pneumatic drying device 5 works, bypass valve 9 is closed, and tail gas is introduced Pneumatic drying device 5 by the first air-introduced machine 81；
When Pneumatic drying device 5 does not work, bypass valve 9 is opened, and tail gas is introduced chimney 6 by the first air-introduced machine 81.
The embodiment of this specification provides the vent gas treatment and UTILIZATION OF VESIDUAL HEAT IN of a kind of CO gaseous fermentation legal system ethanol
Device, since the entrance of scrubbing tower connects tail gas outlet, the first air inlet of the outlet connection economizer of scrubbing tower, economizer
The first gas outlet connection combustion chamber entrance, combustion chamber outlet connection steam boiler entrance；By washing and burning point
Not Chu Qu substances, the high-temperature gas generated after burning such as ethyl alcohol in tail gas and CO enter steam boiler, the outlet of steam boiler
Connect the second air inlet of economizer, the entrance of the second gas outlet connection Pneumatic drying device of economizer, Pneumatic drying device
Outlet connect chimney, steam boiler is played to the utilization of first time of heat, and Pneumatic drying device plays the to heat
Secondary use, has not only handled tail gas clean, and there are no the wastes for causing heat.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, may be used also
To make several improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the application.
Claims (9)
1. a kind of vent gas treatment and residual heat using device, which is characterized in that including scrubbing tower (1), economizer (2), combustion chamber
(3), steam boiler (4), Pneumatic drying device (5) and chimney (6)；Wherein:
The entrance of the scrubbing tower (1) connects tail gas outlet, and the outlet of the scrubbing tower (1) connects the economizer (2)
First air inlet, the first gas outlet of the economizer (2) connect the entrance of the combustion chamber (3), and the combustion chamber (3) goes out
Mouth connects the entrance of the steam boiler (4), and the outlet of the steam boiler (4) connects the second air inlet of the economizer (2)
Mouthful, the second gas outlet of the economizer (2) connects the entrance of the Pneumatic drying device (5), the Pneumatic drying device (5)
Outlet connect chimney (6).
2. vent gas treatment according to claim 1 and residual heat using device, which is characterized in that the Pneumatic drying device
(5) for using thermal current as the drying equipment of heat source.
3. vent gas treatment according to claim 2 and residual heat using device, which is characterized in that the combustion chamber (3) is straight
Burner or heat accumulating type oxidation furnace.
4. vent gas treatment according to claim 2 and residual heat using device, which is characterized in that steam boiler (4) packet
Drum (41), evaporation chamber (42) and steam control valve (43) are included, the air intake of evaporation chamber (42) connects the burning
The gas outlet of the outlet of room (3), evaporation chamber (42) connects the second air inlet of the economizer (2), the drum
(41) steam (vapor) outlet of steam inlet connection evaporation chamber (42), the steam control valve (43) are arranged in the drum
(41) steam outlet.
5. vent gas treatment according to claim 2 and residual heat using device, which is characterized in that set on the scrubbing tower (1)
It is equipped with circulation water inlet (11) and circulating outlet (12), the circulation water inlet (11) is arranged in the lower part of scrubbing tower (1), institute
Circulating outlet (12) are stated to be arranged in the top of scrubbing tower (1), the circulation water inlet (11) and the circulating outlet (12)
Between be connected with circulating pump (13).
6. vent gas treatment according to claim 1-5 and residual heat using device, which is characterized in that at the tail gas
Reason and residual heat using device further include the first air-introduced machine (81) and the second air-introduced machine (82), and the first air-introduced machine (81) setting exists
Between second gas outlet of the economizer (2) and the entrance of the Pneumatic drying device (5), second air-introduced machine (82) is set
It sets between the outlet and chimney (6) of the Pneumatic drying device (5).
7. vent gas treatment according to claim 6 and residual heat using device, which is characterized in that the vent gas treatment and waste heat
It further include the first air blower (71) and the second air blower (72) using device, first air blower (71) and the combustion chamber
(3) it is connected, second air blower (72) is connected with the Pneumatic drying device (5), and junction is located at described second
Between air-introduced machine (82) and the Pneumatic drying device (5).
8. vent gas treatment according to claim 6 and residual heat using device, which is characterized in that first air-introduced machine (81)
It is connected with the chimney (6).
9. vent gas treatment according to claim 8 and residual heat using device, which is characterized in that first air-introduced machine (81)
Bypass valve (9) are provided between the chimney (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821841715.XU CN209576211U (en) | 2018-11-08 | 2018-11-08 | A kind of vent gas treatment and residual heat using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821841715.XU CN209576211U (en) | 2018-11-08 | 2018-11-08 | A kind of vent gas treatment and residual heat using device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209576211U true CN209576211U (en) | 2019-11-05 |
Family
ID=68376423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821841715.XU Active CN209576211U (en) | 2018-11-08 | 2018-11-08 | A kind of vent gas treatment and residual heat using device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209576211U (en) |
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2018
- 2018-11-08 CN CN201821841715.XU patent/CN209576211U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1601-6, 16th floor, building 1, yard 1, tianshunzhuang North Road, Shijingshan District, Beijing 100043 Patentee after: Beijing Shougang langze Technology Co.,Ltd. Address before: 100043 18 floor, block C, Grand View International Plaza, 31 Shijingshan Road, Shijingshan District, Beijing. Patentee before: BEIJING SHOUGANG LANGZE NEW ENERGY TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address |