CN109609225A - A kind of system of methane purification biological fuel gas - Google Patents
A kind of system of methane purification biological fuel gas Download PDFInfo
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- CN109609225A CN109609225A CN201811573282.9A CN201811573282A CN109609225A CN 109609225 A CN109609225 A CN 109609225A CN 201811573282 A CN201811573282 A CN 201811573282A CN 109609225 A CN109609225 A CN 109609225A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a kind of systems of methane purification biological fuel gas, using the right gas of methane purification biomass as target, are purified marsh gas purifying for biological fuel gas by chemical absorption method.The present invention enhances control precision in each system, effectively increases acid gas removal rate and methane recovery in biogas.
Description
Technical field
The present invention relates to methane purification field more particularly to a kind of systems of methane purification biological fuel gas.
Background technique
Organic acid is a kind of very important fermentation technique product, is had extensively in fields such as food, medicine, chemical industry, feeds
Using being played a very important role in national economy.Currently, organic acid industry mostly uses IC anaerobism to add aerobic technique
It handles organic wastewater is generated in production, COD degradation generates a large amount of biogas during Anaerobic Treatment.Current anaerobism is anti-
Degrade every kilogram of COD of device is answered to produce about 0.4~0.5 side of biogas, produced biogas mainly contains methane (40%~50%), carbon dioxide
(30%-40%) and hydrogen sulfide (3000~20000mg/m3), 20~30MJ/m of calorific value3, biogas introduces boiler by most of enterprise
Directly as the fuel of drying system.This biogas utilization mode energy utilization rate is low, deficiency in economic performance.
If by methane purification produced in organic acid wastewater treatment process at biological fuel gas, organic acid industry biogas is raw
The energy scale of the biological fuel gas of production is up to 6.34 hundred million sides or so.The natural gas supply in China can be effectively supplemented in this, alleviates
With the development of national economy and people's lives, natural gas resource anxiety and insufficient predicament meet energy strategy needs, simultaneously
Promote the industrial upgrading of organic acid industry, change the development pattern of organic acid industry, promote the economic benefit of entire industry, develops
Industry circular economy.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of system of methane purification biological fuel gas, with methane purification biomass
Right gas is target, and marsh gas purifying is purified biological fuel gas by chemical absorption method, makes methane in purified biological fuel gas
Concentration is greater than 97%, and concentration of hydrogen sulfide is lower than 15mg/m3。
The system of a kind of methane purification biological fuel gas provided by the invention, it is improved in that including that raw material measures
Compressibility, absorption tower system, flash system, desorption Tower System, amine liquid return-flow system, amine liquid charcoal filtration system and control system
System；The absorption tower is furnished with absorbent, and the absorbent includes poor amine liquid；
Biogas is transported to described by the control system control raw material metering compressibility after gas-liquid separation, pressurization
Absorption tower system, the sour gas in biogas described in the poor amine absorption added in the absorption tower system become defeated after rich amine solution
It is sent to the flash system to be flashed, then is conveyed by pressure difference, it is defeated to carry out reboiler heating, solution to the desorption Tower System
It inhales, poor amine liquid after desorption enters after the amine liquid charcoal filtration system to become poor amine liquid again and be transported to the absorption tower and carry out circulation and make
With the gaseous component after desorption is lifted off out from absorbing tower, carries out gas-liquid by the amine liquid return-flow system again after condensation
After separation and filtering, amine liquid therein is transported to the desorption Tower System, and recycling uses；Biogas after being absorbed sour gas
It is stored as biological fuel gas.
Preferably, the raw material metering compressibility includes entrance separator and inlet air compressor system；
The biogas carries out gas-liquid separation by the entrance separator, then is increased by the inlet air compressor system
After pressure, it is transported to the absorption tower system.
More preferably, the absorption tower system includes absorption tower；
The absorption tower is divided into four sections, is from top to bottom the first tower reactor section, 1 section of the first tower section, 2 sections of the first tower section and first
Tower top section；The absorption inner wall of tower is stainless steel material；The pressure control on the absorption tower is 0.5MPa~3.0MPa, temperature control
It is made as 20 DEG C~80 DEG C, in which:
The first tower reactor section is configured to support the support column of entire tower body；
Described 1 section of first tower section, for filling filler；
Described 2 sections of first tower section, be configured to evenly dispersed the first liquid distribution trough for acting on biogas of poor amine liquid and
For removing the wire mesh demister of foam in the poor amine liquid；
The poor amine liquid flows to the first tower reactor section from the first top of tower of absorption tower, carries out counter current contacting with the biogas, inhales
Sour gas therein is received, enters the flash system later；Biogas after being absorbed sour gas is from first top of tower
It is stored after leaving；When operation, gas-liquid ratio ranges are set as 5~20.
More preferably, the flash system includes flash tank；
The rich amine solution is transported to the flash tank and carries out vacuum flashing, from flash drum overhead after a small amount of sour gas flash distillation
Discharge, the rich amine solution after flash distillation are transported to the desorption Tower System from flash tank bottom liquid-phase outlet.
More preferably, the desorption Tower System includes desorber, amine liquid reboiler and amine condenser；
Desorber is divided into four sections, is from top to bottom the second tower reactor section, 1 section of the second tower section, 2 sections of the second tower section and the second tower top
Section；The pressure control of the desorber is 0.1MPa~0.5MPa, and temperature control is 70 DEG C~130 DEG C；Wherein:
The second tower reactor section is configured to support the support column of entire tower body；
It described 1 section of second tower section, is configured to liquid making the acidity desorbed in reboiler uniformly from tower surrounding to flowing down
Gas can rise up into upwards the second liquid distributor of top of tower from tower center；It is equipped at the 1 section of output of the second tower section by amine liquid
Carry out the amine liquid reboiler of reboiler；
Described 2 sections of second tower section, filler is housed, and cause amine liquid turbulent by the filler；
The amine condenser is arranged in tower top in second tower top section；
The rich amine solution enters desorber at the top of desorber, by the second liquid distributor, again into desorber
Boiling device is heated, and the sour gas and a small amount of amine liquid after desorption are transported to the amine liquid reflux after amine condenser cooling
System, amine liquid after the recovery enter desorber from the second tower top section of the desorber；Poor amine liquid after desorption is from described second
Tower reactor section is left, and into the first tower top section of absorption tower system, recycles as absorbent.
More preferably, the amine liquid return-flow system includes amine liquid filter and amine liquid reflux pump；
Sour gas after cooling and a small amount of amine liquid enter the amine liquid filter, and after carrying out gas-liquid separation, gas is from amine
Liquid filter top is left, and amine liquid is transported to second tower top section by the amine liquid reflux pump and enters desorber recycling benefit
With, or be back to the amine liquid filter and carry out circulate operation；
The amine liquid filter, pressure control are 0.1MPa~0.5MPa；Temperature control is -20 DEG C~100 DEG C.
More preferably, the amine liquid charcoal filtration system includes amine liquid carbon filter, amine liquid cooler and the pressurization of the 5th amine liquid
Pump；
The 5th amine liquid booster pump includes hydraulic diaphragm；
The amine liquid is added in the amine liquid carbon filter for the first time, is conveyed by the hydraulic diaphragm, by the amine
After liquid cooler is cooling, enter from first tower top section；
Poor amine liquid after desorber desorption, is conveyed by the amine liquid booster pump, by the amine liquid carbon mistake
After filter filtering, it is cooled to set temperature by the amine liquid cooler, enters from first tower top section, recycles；
The amine liquid carbon filter pressure control is 1MPa~5MPa, and temperature control is -20 DEG C~100 DEG C.
It more preferably, further include public engineer system；
The public engineer system includes that heat-conducting oil system, cooling water system, instrument wind system, bionethanation system and tail gas are deposited
Storage system；
The heat-conducting oil system provides conduction oil for amine liquid reboiler；
The cooling water system provides cooling water for amine liquid cooler, amine condenser and compressor, connects factory's cooling water
System；
The instrument wind system provides instrument air for live pneumatic control valve；
The bionethanation system connects factory's bionethanation system, for providing raw material biogas for device.
Tail gas storage system is for storing biological fuel gas.
More preferably, a small amount of amine liquid refers to does not desorb successful amine liquid in the desorber；
A small amount of sour gas refers in flash system, the sour gas overflowed from rich amine solution absorption.
In technical solution of the present invention, marsh gas purifying is purified by biological fuel gas by chemical absorption method, is effectively increased
Acid gas removal rate and methane recovery in biogas, wherein desulfurization degree reaches 99% or more, and the removal efficiency of carbon dioxide can be with
Reach 97.1%.Methane recovery can reach 96.8% simultaneously.
The present invention enhances control precision in each subsystem, effectively increases acid gas removal rate and first in biogas
The alkane rate of recovery.
The present invention is used not only for the biogas of organic acid industry wastewater treatment generation, and the biogas that other approach generate can also be with
It is applicable in.
Detailed description of the invention
Fig. 1 is the system flow chart of the methane purification biological fuel gas of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details listed in specification are only to be
Reader is set to have a thorough explanation to one or more aspects of the present invention, it can also be with even without these specific details
Realize the aspects of the invention.
A kind of system of methane purification biological fuel gas provided in this embodiment, schematic diagram is as shown in Figure 1, include raw material
Measure compressibility, absorption tower system, flash system, desorption Tower System, amine liquid return-flow system, amine liquid charcoal filtration system and control
System；The absorption tower is furnished with absorbent, and the absorbent includes poor amine liquid；
The control system control factory's pipeline is discharged raw material metering compressibility biogas through gas-liquid separation, increase
The absorption tower system is transported to after pressure, the sour gas in biogas described in the poor amine absorption added in the absorption tower system
Become to be transported to the flash system after rich amine solution and be flashed, then is conveyed by pressure difference, it is defeated to desorption Tower System progress
Reboiler heating, desorption, poor amine liquid after desorption, which enters after the amine liquid charcoal filtration system, to be become poor amine liquid again and is transported to the suction
It receives tower to be recycled, the gaseous component after desorption is lifted off out from absorbing tower, is returned by the amine liquid again after condensation
After streaming system carries out gas-liquid separation and filtering, amine liquid therein is transported to the desorption Tower System, and recycling, which uses, (passes through gas-liquid
Isolated rich amine solution reenters Analytic Tower, and desorption becomes poor amine liquid again)；Biogas after being absorbed sour gas is as life
Substance combustible gas is stored.
In addition to this, the present embodiment further includes public engineer system, specifically includes heat-conducting oil system, cooling water system, instrument
Table wind system, bionethanation system and tail gas storage system；
The heat-conducting oil system provides conduction oil for amine liquid reboiler；
The cooling water system provides cooling water for amine liquid cooler, amine condenser and compressor, connects factory's cooling water
System；
The instrument wind system provides instrument air for live pneumatic control valve；
The bionethanation system connects factory's bionethanation system, for providing raw material biogas for device.
Tail gas storage system is for storing biological fuel gas；The system selects different connections systems according to later use mode
System.
Specifically, the embodiment of the present invention raw material metering compressibility includes entrance separator and inlet air compressor system institute
It states biogas and gas-liquid separation is carried out by the entrance separator, then after being pressurized by the inlet air compressor system, convey
To the absorption tower system.
The embodiment of the present invention absorption tower system includes absorption tower, and the absorption tower is divided into four sections, is from top to bottom first
Tower reactor section, 1 section of the first tower section, 2 sections of the first tower section and the first tower top section；The absorption inner wall of tower is stainless steel material, Φ 150*
8400*6 (diameter * high * wall thickness, unit mm)；Pressure control is 0.5MPa~3.0MPa, and temperature control is 20 DEG C~80 DEG C.Its
In:
The first tower reactor section is configured to support the support column of entire tower body；
Described 1 section of first tower section, for filling filler, height is 3200mm~4000mm, and inner wall material is 316L material
Matter；
Described 2 sections of first tower section, be configured to evenly dispersed the first liquid distribution trough for acting on biogas of poor amine liquid and
For removing the wire mesh demister of foam in the poor amine liquid；
The amine liquid charcoal filtration system and the poor amine liquid of desorption Tower System output, flow to from the first top of tower of absorption tower
First tower reactor section carries out counter current contacting with the biogas, and absorbs sour gas therein, enters the flash system later；
Biogas after absorption is stored after leaving from first top of tower.When operation, the internal circulating load control of the poor amine liquid is
0.4m3/ h~0.5m3/ h, the sour gas flow control is 6.0m3/ h~7.0m3/ h, to realize that controlling gas-liquid ratio ranges is
5~20.Preferably, the biological fuel gas of the present embodiment can also by dehydration after, by voltage-regulating system enter gas distributing system or
Person BNG is used for industrial enterprise.
The embodiment of the present invention flash system includes flash tank.Rich amine solution is transported to the flash tank and carries out vacuum flashing,
The a small amount of sour gas absorbed in rich amine solution from the flash drum overhead be discharged into atmosphere (gas in flash tank mainly due to
Pressure change causes partially acidic gas to overflow from absorbing liquid), the rich amine solution after flash distillation is defeated from flash tank bottom liquid-phase outlet
It is sent to the desorption Tower System.
It includes desorber, amine liquid reboiler and amine condenser that the embodiment of the present invention, which desorbs Tower System,；
Desorber is divided into four sections, is from top to bottom the second tower reactor section, 1 section of the second tower section, 2 sections of the second tower section and the second tower top
Section；The desorption inner wall of tower is 316L stainless steel material, Φ 200*8100*6 (diameter * high * wall thickness, unit mm)；Desorber
Pressure control is 0.1MPa~0.5MPa；Temperature control is 70 DEG C~130 DEG C；Wherein:
The second tower reactor section is configured to support the support column of entire tower body；
It described 1 section of second tower section, is configured to make to desorb sour gas in reboiler uniformly from tower surrounding to flowing down by liquid
Body can rise up into upwards the second liquid distributor of top of tower from tower center；At the 1 section of output of the second tower section setting by amine liquid into
The amine liquid reboiler of row reboiler；
Described 2 sections of second tower section, it is used for filler, and amine liquid turbulent flow to be caused by filler, so that desorbed from reboiler
Sour gas can rise up into second tower top section upwards；
Second tower top section, rich amine solution and reflux amine liquid enter from the second tower top section, and the amine condensation is arranged in tower top
Device；
The rich amine solution is heated from described 1 section of second tower section into the amine liquid reboiler, then passes through described second
2 sections of tower section desorptions, the sour gas and a small amount of amine liquid after desorption are after being arranged in the amine condenser cooling of second tower top section
It is transported to the amine liquid return-flow system, amine liquid after the recovery enters Analytic Tower from the second tower top section of the Analytic Tower；After desorption
Poor amine liquid left from the second tower reactor section, into the first tower top section of absorption tower system, recycled as absorbent.
The embodiment of the present invention amine liquid return-flow system includes amine liquid filter and amine liquid reflux pump；
Sour gas after cooling and a small amount of amine liquid enter the amine liquid filter, after carrying out gas-liquid separation, sour gas
It is left from amine liquid filter top, amine liquid is transported to second tower top section by the amine liquid reflux pump and enters desorber recycling
It utilizes, or is back to the amine liquid filter and carries out circulate operation；
The inner wall of the amine liquid filter is 316L stainless steel material, Φ 300*1000*6 (diameter * high * wall thickness, unit
mm)；The control of its pressure is 0.1MPa~0.5MPa, and temperature control is -20 DEG C~100 DEG C.
The amine liquid charcoal filtration system of the present embodiment includes amine liquid carbon filter, amine liquid cooler and the 5th amine liquid booster pump；
The 5th amine liquid booster pump includes hydraulic diaphragm, and medium is 50% methyl dimethoxy hydramine, flow 0.45m3/
h。
The amine liquid is added in the amine liquid carbon filter for the first time, is conveyed by the hydraulic diaphragm, by the amine
After liquid cooler is cooling, enter from first tower top section；
Poor amine liquid after desorber desorption, is conveyed by the amine liquid booster pump, by the amine liquid carbon mistake
After filter filtering, it is cooled to set temperature by the amine liquid cooler, enters from first tower top section, recycles；
The inner wall contacting material material of the amine liquid carbon filter is 316L stainless steel, Φ 300*1000*6 (diameter * high *
Wall thickness, unit mm), pressure control is 1MPa~5MPa, and temperature control is -20 DEG C~100 DEG C.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of system of methane purification biological fuel gas, which is characterized in that measure compressibility, absorption tower system including raw material
System, flash system, desorption Tower System, amine liquid return-flow system, amine liquid charcoal filtration system and control system；The absorption tower is equipped with suction
Agent is received, the absorbent includes poor amine liquid；
The control system controls the raw material metering compressibility and biogas is transported to the absorption after gas-liquid separation, pressurization
Tower System, the sour gas in biogas described in the poor amine absorption added in the absorption tower system are transported to after becoming rich amine solution
The flash system is flashed, then is conveyed by pressure difference, defeated to carry out reboiler heating, desorption, solution to the desorption Tower System
Poor amine liquid after suction, which enters after the amine liquid charcoal filtration system to become poor amine liquid again and be transported to the absorption tower, to be recycled, and is solved
Gaseous component after suction is lifted off out from absorbing tower, by condensation after again by the amine liquid return-flow system carry out gas-liquid separation with
After filtering, amine liquid therein is transported to the desorption Tower System, and recycling uses；Biogas after being absorbed sour gas is as life
Substance combustible gas is stored.
2. the system as claimed in claim 1, which is characterized in that raw material metering compressibility include entrance separator and into
Air compressor system；
The biogas carries out gas-liquid separation by the entrance separator, then is pressurized by the inlet air compressor system
Afterwards, it is transported to the absorption tower system.
3. the system as claimed in claim 1, which is characterized in that the absorption tower system includes absorption tower；
The absorption tower is divided into four sections, is from top to bottom the first tower reactor section, 1 section of the first tower section, 2 sections of the first tower section and the first tower top
Section；The absorption inner wall of tower is stainless steel material；The pressure control on the absorption tower is 0.5MPa~3.0MPa, and temperature control is
20 DEG C~80 DEG C, in which:
The first tower reactor section is configured to support the support column of entire tower body；
Described 1 section of first tower section, for filling filler；
It described 2 sections of first tower section, is configured to evenly dispersed the first liquid distribution trough for acting on biogas of poor amine liquid and is used for
Remove the wire mesh demister of foam in the poor amine liquid；
The poor amine liquid flows to the first tower reactor section from the first top of tower of absorption tower, carries out counter current contacting with the biogas, absorbs it
In sour gas, later enter the flash system；Biogas after being absorbed sour gas leaves from first top of tower
It is stored afterwards；When operation, gas-liquid ratio ranges are set as 5~20.
4. system as claimed in claim 3, which is characterized in that the flash system includes flash tank；
The rich amine solution is transported to the flash tank and carries out vacuum flashing, arranges after a small amount of sour gas flash distillation from flash drum overhead
It puts, the rich amine solution after flash distillation is transported to the desorption Tower System from flash tank bottom liquid-phase outlet.
5. system as claimed in claim 4, which is characterized in that the desorption Tower System include desorber, amine liquid reboiler and
Amine condenser；
Desorber is divided into four sections, is from top to bottom the second tower reactor section, 1 section of the second tower section, 2 sections of the second tower section and the second tower top section；
The pressure control of the desorber is 0.1MPa~0.5MPa, and temperature control is 70 DEG C~130 DEG C；Wherein:
The second tower reactor section is configured to support the support column of entire tower body；
It described 1 section of second tower section, is configured to liquid making the sour gas desorbed in reboiler uniformly from tower surrounding to flowing down
The second liquid distributor of top of tower can be risen up into upwards from tower center；It is equipped at the 1 section of output of the second tower section and carries out amine liquid
The amine liquid reboiler of reboiler；
Described 2 sections of second tower section, filler is housed, and cause amine liquid turbulent by the filler；
The amine condenser is arranged in tower top in second tower top section；
The rich amine solution enters desorber at the top of desorber, by the second liquid distributor, into desorption tower reboiler
It is heated, the sour gas and a small amount of amine liquid after desorption are transported to amine liquid reflux system after amine condenser cooling
System, amine liquid after the recovery enter desorber from the second tower top section of the desorber；Poor amine liquid after desorption is from second tower
Kettle section is left, and into the first tower top section of absorption tower system, recycles as absorbent.
6. system as claimed in claim 5, which is characterized in that the amine liquid return-flow system includes that amine liquid filter and amine liquid return
Stream pump；
Sour gas after cooling and a small amount of amine liquid enter the amine liquid filter, and after carrying out gas-liquid separation, gas is from amine liquid mistake
Filter top is left, and amine liquid is transported to second tower top section by the amine liquid reflux pump and enters desorber recycling, or
It is back to the amine liquid filter and carries out circulate operation；
The amine liquid filter, pressure control are 0.1MPa~0.5MPa；Temperature control is -20 DEG C~100 DEG C.
7. the system as claimed in claim 1, which is characterized in that the amine liquid charcoal filtration system includes amine liquid carbon filter, amine
Liquid cooler and the 5th amine liquid booster pump；
The 5th amine liquid booster pump includes hydraulic diaphragm；
The amine liquid is added in the amine liquid carbon filter for the first time, is conveyed by the hydraulic diaphragm, by the amine liquid cooling
But after device is cooling, enter from first tower top section；
Poor amine liquid after desorber desorption, is conveyed by the amine liquid booster pump, by the amine liquid carbon filter
After filtering, it is cooled to set temperature by the amine liquid cooler, enters from first tower top section, recycles；
The amine liquid carbon filter pressure control is 1MPa~5MPa, and temperature control is -20 DEG C~100 DEG C.
8. system as claimed in claim 1, which is characterized in that further include public engineer system；
The public engineer system includes heat-conducting oil system, cooling water system, instrument wind system, bionethanation system and tail gas storage system
System；
The heat-conducting oil system provides conduction oil for amine liquid reboiler；
The cooling water system provides cooling water for amine liquid cooler, amine condenser and compressor, connects factory's cooling water system；
The instrument wind system provides instrument air for live pneumatic control valve；
The bionethanation system connects factory's bionethanation system, for providing raw material biogas for device.
Tail gas storage system is for storing biological fuel gas.
9. system as claimed in claim 8, which is characterized in that a small amount of amine liquid refers to not to be desorbed into the desorber
The amine liquid of function；
A small amount of sour gas refers in flash system, the sour gas overflowed from rich amine solution absorption.
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| CN201811573282.9A CN109609225A (en) | 2018-12-21 | 2018-12-21 | A kind of system of methane purification biological fuel gas |
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| CN201811573282.9A CN109609225A (en) | 2018-12-21 | 2018-12-21 | A kind of system of methane purification biological fuel gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732986A (en) * | 2020-07-06 | 2020-10-02 | 济南山源环保科技有限公司 | Biogas purification method for kitchen waste treatment |
| CN115511665A (en) * | 2022-11-14 | 2022-12-23 | 成都秦川物联网科技股份有限公司 | Gas purification management method for intelligent gas storage and distribution station and Internet of things system |
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