CN208011748U - It is a kind of to be used to purify the device that low-temp methanol washes CO2 exhaust gas - Google Patents
It is a kind of to be used to purify the device that low-temp methanol washes CO2 exhaust gas Download PDFInfo
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- CN208011748U CN208011748U CN201820137915.0U CN201820137915U CN208011748U CN 208011748 U CN208011748 U CN 208011748U CN 201820137915 U CN201820137915 U CN 201820137915U CN 208011748 U CN208011748 U CN 208011748U
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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
- Y02E20/32—Direct CO2 mitigation
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Abstract
The utility model discloses one kind washing CO for purifying low-temp methanol2The device of exhaust gas, including air inlet pipeline, combustion chamber, waste heat boiler, chimney, high concentration, low concentration gas pipeline and fresh air line is arranged in air inlet pipeline, wherein high-concentration waste air pipe and fresh air line connect with combustion chamber, and low concentration gas pipeline and fresh air line are connected by valve body with regenerative chamber；The utility model provide one kind can meet administer low concentration methanol wash CO2Exhaust gas, and can realize that administering high concentration low-temp methanol washes CO2The purifier of exhaust gas, high-concentration and low-concentration waste gas purification can realize automatic switchover, and operating flexibility is big, meanwhile, apparatus structure is simple, safety coefficient is high, energy-saving effect is notable, can be used for the purification of exhaust gas under a variety of environment.
Description
Technical field
The utility model is related to VOCs treatment technical fields, and in particular to one kind washing CO for purifying low-temp methanol2
The device of exhaust gas.
Background technology
In coal chemical technology, the project of raw gas is produced using the strange IV type gasification furnaces of Mark- in Shandong, in low-temp methanol washing process
The a large amount of CO that can be discharged2Exhaust gas, wherein containing exist cause haze, it is carcinogenic the problems such as volatile organic compounds（VOCs）,
Directly idle discharge cannot be put.
Low-temp methanol washing process involved in the project of raw gas, technique profit are produced using the strange IV type gasification furnaces of Mark- in Shandong
With air lift principle, air lift is physical process, it reaches for destroying former vapor liquid equilibrium and establishing a kind of new vapor liquid equilibrium state
The purpose of separate substance.Its essence is the techniques that sour gas is eluted using methanol, will produce and contain during Mathanol regenerating
A large amount of CO2Low-temp methanol wash exhaust gas, gas key property is as follows：
1, hot-restriking die is big --- and-i.e. low-temp methanol washes CO2VOCs levels height fluctuates in exhaust gas；
2, containing trace oxygen ----i.e. low-temp methanol washes CO2Trace oxygen is insufficient for VOCs oxidation oxygen consumptions in exhaust gas
Amount.
In existing VOCs Processing tecchnics, when using heat accumulation type thermal oxidation technique, heat accumulation type thermal oxidation stove is generally required
The accounting of VOCs will be less than the 25% of its explosion limit in the exhaust gas of entrance.This means that can effectively be administered using the technique
Low concentration methanol washes CO2Exhaust gas, but in order to which can handle high concentration low-temp methanol washes CO simultaneously2Exhaust gas ensures equipment peace first
Full property needs to mix Macrodilution air, secondly ensures that overtemperature does not also need to mix Macrodilution air in combustion chamber, to lead
Cause equipment muscle power is huge, initial investment cost is very high；In existing VOCs Processing tecchnics, direct-fired hot oxygen equally may be used
Chemical industry artistic skill effectively administers high concentration low-temp methanol and washes CO2Exhaust gas, but in order to which can handle low concentration methanol washes CO simultaneously2It is useless
Gas needs constantly to consume fuel gas to ensure that burning indoor temperature, operating cost are very high.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of thick using strange IV type gasification furnaces of the Mark- production in Shandong
The low-temp methanol generated in course of gas washes CO2The purifier of exhaust gas.The utility model can realize improvement low concentration
Methanol washes CO2Fuel gas is not consumed when exhaust gas largely, and can realize that administering high concentration low-temp methanol washes CO2When exhaust gas, burning is ensured
Room not overtemperature.
In order to achieve the above object, the utility model is achieved by the following technical solution.
One kind washing CO for purifying low-temp methanol2The device of exhaust gas, including air inlet pipeline, combustion chamber, waste heat boiler, cigarette
Chimney, the air inlet pipeline include that the low-temp methanol being in parallel washes CO2Waste gas header road and fresh air main pipe rail, described is low
Warm methanol washes CO2Waste gas header road includes that the low concentration methanol being in parallel washes CO2Exhaust pipe and high concentration low-temp methanol are washed
CO2Exhaust pipe, the fresh air main pipe rail include the low concentration air pipe line being in parallel and rich air pipeline；Institute
The low-temp methanol stated washes CO2Waste gas header road arrival end is disposed with filter, VOCs Density Detection Instruments and LEL detectors
Table, the low concentration methanol wash CO2First entrance valve is provided on exhaust pipe, the high concentration low-temp methanol is washed
CO2Exhaust pipe is provided with second entrance valve, and the low concentration air pipe line is provided with third inlet valve, the high concentration
Air pipe line is provided with the 4th inlet valve.
The combustion chamber is arranged symmetrically, and there are two burner, multiple temperature instruments, the combustion chamber bottoms
Portion is provided with multiple regenerative chambers, is connected with control valve by pipeline between multiple regenerative chambers, the regenerative chamber goes out
Mouth is connected by pipeline with chimney, and low concentration methanol is provided on the pipeline between the regenerative chamber and chimney and is washed
CO2Wind turbine.
The low concentration methanol washes CO2Exhaust pipe and low concentration air pipe line be in series after by control valve with
Accumulation of heat chamber inlet is connected, and the high concentration low-temp methanol washes CO2Exhaust pipe and rich air pipeline respectively with burning
The entrance of room is connected, and the outlet of the combustion chamber is connected with waste heat boiler entrance, and waste heat boiler passes through pipeline and chimney
It is connected, waste heat boiler economizer is disposed on the connecting line of waste heat boiler and chimney, high concentration low-temp methanol is washed
CO2Wind turbine, oxygen concentration detect instrument.
Further, the entry of combustion chamber is provided with air injection ring.
Filter can prevent the particulate matters such as dust from resulting in blockage to thermal storage ceramic in follow up device, extend thermal storage ceramic
Service life.
Lower explosion limit is set（LEL）Instrument, VOCs Density Detection Instruments are detected, high-concentration and low-concentration low-temp methanol can be strictly controlled
Wash CO2The Processing tecchnics of exhaust gas, securely and reliably.
Setting air injection ring can be such that exhaust gas is sufficiently mixed with air.
There are two symmetrical burners for setting in combustion chamber, make burning indoor temperature distribution evenly, avoid the occurrence of
The excessively high problem of local temperature.
Branched temperature instrument is installed in combustion chamber, profiling temperatures in combustion chamber can be monitored, is avoided because of burning
Room temperature is excessively high to cause hot waste heat boiler to be connected directly with combustion chamber.
It recycles low-temp methanol to the greatest extent using waste heat boiler and washes CO2The sensible heat of VOCs in exhaust gas, heat recovery efficiency is high,
Exhaust gas temperature is low.
Oxygen concentration detection instrument is installed on the pipeline before chimney entrance, it is stringent to control oxygen content > 3% in flue gas, it ensures
The removal rate of VOCs.
The utility model has following row advantageous effect compared with prior art.
The utility model provide one kind can meet administer low concentration methanol wash CO2Exhaust gas, and can realize that improvement is high
Concentration low-temp methanol washes CO2The purifier of exhaust gas, high-concentration and low-concentration waste gas purification can realize automatic switchover, and operating flexibility is big, together
When, apparatus structure is simple, safety coefficient is high, energy-saving effect is notable, can be used for the purification of exhaust gas under a variety of environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of utility model device.
Wherein, 1 is filter, and 2 detect instrument for LEL, and 3 be VOCs Density Detection Instruments, and 4 be third inlet valve, and 5 be the
One inlet valve, 6 be the 4th inlet valve, and 7 be second entrance valve, and 8 be burner, and 9 be regenerative chamber, and 10 be combustion chamber, and 11 be temperature
Instrument is detected, 12 be waste heat boiler, and 13 be waste heat boiler economizer, and 14 wash CO for high concentration low-temp methanol2Wind turbine, 15 be low dense
Degree low-temp methanol washes CO2Wind turbine, 16 detect instrument for oxygen concentration, and 17 be chimney, and 18 be air injection ring, and 19 wash for low-temp methanol
CO2Waste gas header, 20 be fresh air main pipe rail, and 191 wash CO for low concentration methanol2Exhaust pipe, 192 is low for high concentration
Warm methanol washes CO2Exhaust pipe, 201 be low concentration air pipe line, and 202 be rich air pipeline.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Under in conjunction with the embodiments, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only
Only to explain the utility model, it is not used to limit the utility model.This reality is described in detail with reference to embodiment and attached drawing
With novel technical solution, but protection domain is not limited by this.
One kind washing CO for purifying low-temp methanol2The device of exhaust gas, including air inlet pipeline, combustion chamber 10, waste heat boiler 12,
Chimney 17, the air inlet pipeline include that the low-temp methanol being in parallel washes CO2Waste gas header road 19 and fresh air main pipe rail 20,
The low-temp methanol washes CO2Waste gas header road 19 includes that the low concentration methanol being in parallel washes CO2Exhaust pipe 191 and height
Concentration low-temp methanol washes CO2Exhaust pipe 192, the fresh air main pipe rail 20 include the low concentration air pipe line being in parallel
201 and rich air pipeline 202；The low-temp methanol washes CO219 arrival end of waste gas header road is disposed with filter
1, VOCs Density Detection Instruments 3 and LEL detect instrument 2, and the low concentration methanol washes CO2It is arranged on exhaust pipe 191
There are first entrance valve 5, the high concentration low-temp methanol to wash CO2Exhaust pipe 192 is provided with second entrance valve 7, and described is low
Concentration air pipe line 201 is provided with third inlet valve 4, and the rich air pipeline 202 is provided with the 4th inlet valve 6.
There are two burner 8 and temperature instrument 11, the combustion chambers for the combustion chamber 10 internal symmetry setting
The setting of 10 bottoms is connected between multiple regenerative chambers 9 by pipeline with control valve there are three regenerative chamber 9, the storage
The outlet of hot cell 9 is connected by pipeline with chimney 17, and low concentration is provided on the pipeline between the regenerative chamber 9 and chimney 17
Low-temp methanol washes CO2Wind turbine 15.
The low concentration methanol washes CO2Exhaust pipe 191 and low concentration air pipe line 201 pass through control after being in series
Valve processed is connected with 9 entrance of regenerative chamber, and the high concentration low-temp methanol washes CO2The entrance of exhaust pipe 192 and combustion chamber 10
It is connected, rich air pipeline 202 enters combustion chamber 10 by the air injection ring 18 that 10 entrance of combustion chamber is arranged, described
The outlet of combustion chamber 10 is connected with 12 entrance of waste heat boiler, and waste heat boiler 12 is connected by pipeline with chimney 17, in waste heat
It is disposed with waste heat boiler economizer 13 on the connecting line of boiler 12 and chimney 17, high concentration low-temp methanol washes CO2Wind turbine
14, oxygen concentration detects instrument 16.
Specific work process is.
Low-temp methanol washes CO2Exhaust gas first passes around filter 1 and goes in removing exhaust gas after particulate matter, is sent into the present apparatus.Using entering
The VOCs Density Detection Instruments 3 and LEL detection instrument 2 being arranged on mouth pipeline, judge that low-temp methanol washes CO2Exhaust gas be high concentration also
It is low concentration.
When it is low concentration to carry out gas concentration, first entrance valve 5, third inlet valve 4 and low concentration methanol wash CO2Wind turbine
15 open, and ensure 0.25% into the volume accounting < LEL of VOCs before the present apparatus；Second entrance valve 7, the 4th inlet valve 6 and height
Concentration low-temp methanol washes CO2Wind turbine 14 remains off, and the present apparatus forms three Room heat accumulating type oxidation furnaces, and each regenerative chamber is successively
Undergo the programs such as accumulation of heat-heat release-cleaning, in cycles, continuous work.
VOCs Density Detection Instruments 3 and LEL the detection instrument 2 being arranged on using entrance pipe are detected is come gas concentration
When high concentration, first entrance valve 5, third inlet valve 4 and low concentration methanol wash CO2Wind turbine 15 is closed, under three regenerative chambers
The corresponding intake valve in side, air outlet valve, back-flushing valve are stopped, second entrance valve 7, the 4th inlet valve 6 and high concentration low temperature first
Alcohol washes CO2Wind turbine 14 is opened, and fresh air washes CO by air injection ring 18 and low-temp methanol2Exhaust gas respectively enters combustion chamber
High-temperature burner hearth does not mix in pipeline in advance, and there is no the danger of explosion.The high-temperature flue gas come out from combustion chamber is first through waste heat boiler
It is discharged again after stove heat exchange.
Either processing high concentration low-temp methanol washes CO2Exhaust gas, or processing low concentration methanol wash CO2Exhaust gas utilizes
The oxygen concentration of the branched temperature instrument and the road setting of chimney front tube that are arranged in combustion chamber detects instrument, stringent control combustion
Room temperature is burnt, prevents the generation of thermal NO, and ensure the purification efficiency of VOCs, realizes qualified discharge.
The above content is the further descriptions done to the utility model in conjunction with specific preferred embodiment, cannot
Assert that specific embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, under the premise of not departing from the utility model, several simple deduction or replace can also be made, all shall be regarded as belonging to
The utility model determines scope of patent protection by the claims submitted.
Claims (2)
1. one kind washing CO for purifying low-temp methanol2The device of exhaust gas, including air inlet pipeline, combustion chamber（10）, waste heat boiler
（12）, chimney（17）, which is characterized in that the air inlet pipeline includes that the low-temp methanol being in parallel washes CO2Waste gas header road
（19）With fresh air main pipe rail（20）, the low-temp methanol washes CO2Waste gas header road（19）Including the low concentration being in parallel
Low-temp methanol washes CO2Exhaust pipe（191）CO is washed with high concentration low-temp methanol2Exhaust pipe（192）, the fresh air is total
Pipeline（20）Including the low concentration air pipe line being in parallel（201）With rich air pipeline（202）；The low-temp methanol is washed
CO2Waste gas header road（19）Arrival end is disposed with filter（1）, VOCs Density Detection Instruments（3）Instrument is detected with LEL
（2）, the low concentration methanol washes CO2Exhaust pipe（191）On be provided with first entrance valve（5）, the high concentration
Low-temp methanol washes CO2Exhaust pipe（192）It is provided with second entrance valve（7）, the low concentration air pipe line（201）It is provided with
Third inlet valve（4）, the rich air pipeline（202）It is provided with the 4th inlet valve（6）；
The combustion chamber（10）There are two burners for internal symmetry setting（8）, multiple temperature instruments（11）, the combustion
Burn room（10）Bottom is provided with multiple regenerative chambers（9）, multiple regenerative chambers（9）Between be connected with control valve by pipeline
It connects, the regenerative chamber（9）Outlet passes through pipeline and chimney（17）It is connected, the regenerative chamber（9）With chimney（17）Between
Pipeline on be provided with low concentration methanol and wash CO2Wind turbine（15）；
The low concentration methanol washes CO2Exhaust pipe（191）With low concentration air pipe line（201）Pass through control after being in series
Valve processed and regenerative chamber（9）Entrance is connected, and the high concentration low-temp methanol washes CO2Exhaust pipe（192）And rich air
Pipeline（202）Respectively with combustion chamber（10）Entrance be connected, the combustion chamber（10）Outlet and waste heat boiler（12）Enter
Mouth is connected, waste heat boiler（12）Pass through pipeline and chimney（17）It is connected, in waste heat boiler（12）With chimney（17）Connection
Waste heat boiler economizer is disposed on pipeline（13）, high concentration low-temp methanol wash CO2Wind turbine（14）, oxygen concentration detect instrument
（16）.
2. one kind according to claim 1 washes CO for purifying low-temp methanol2The device of exhaust gas, which is characterized in that described
Combustion chamber（10）Entrance is provided with air injection ring（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137915.0U CN208011748U (en) | 2018-01-26 | 2018-01-26 | It is a kind of to be used to purify the device that low-temp methanol washes CO2 exhaust gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137915.0U CN208011748U (en) | 2018-01-26 | 2018-01-26 | It is a kind of to be used to purify the device that low-temp methanol washes CO2 exhaust gas |
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| CN208011748U true CN208011748U (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820137915.0U Active CN208011748U (en) | 2018-01-26 | 2018-01-26 | It is a kind of to be used to purify the device that low-temp methanol washes CO2 exhaust gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594762A (en) * | 2019-09-04 | 2019-12-20 | 山西亚乐士环保技术股份有限公司 | Energy-saving low-temperature methanol washing tail gas treatment device |
| CN114427687A (en) * | 2022-03-02 | 2022-05-03 | 山西亚乐士环保技术股份有限公司 | High-temperature low-oxygen heat accumulating type dispersion thermal oxidation treatment device |
-
2018
- 2018-01-26 CN CN201820137915.0U patent/CN208011748U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594762A (en) * | 2019-09-04 | 2019-12-20 | 山西亚乐士环保技术股份有限公司 | Energy-saving low-temperature methanol washing tail gas treatment device |
| CN110594762B (en) * | 2019-09-04 | 2024-06-18 | 山西亚乐士环保技术股份有限公司 | Energy-saving low-temperature methanol washing tail gas treatment device |
| CN114427687A (en) * | 2022-03-02 | 2022-05-03 | 山西亚乐士环保技术股份有限公司 | High-temperature low-oxygen heat accumulating type dispersion thermal oxidation treatment device |
| CN114427687B (en) * | 2022-03-02 | 2024-04-26 | 山西亚乐士环保技术股份有限公司 | High-temperature low-oxygen heat accumulating type heat dissipation oxidation treatment device |
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