CN106221839A - A kind of energy-efficient biogas purification and supercharging integrated apparatus - Google Patents
A kind of energy-efficient biogas purification and supercharging integrated apparatus Download PDFInfo
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- CN106221839A CN106221839A CN201610788004.XA CN201610788004A CN106221839A CN 106221839 A CN106221839 A CN 106221839A CN 201610788004 A CN201610788004 A CN 201610788004A CN 106221839 A CN106221839 A CN 106221839A
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- CN
- China
- Prior art keywords
- biogas
- pyatyi
- level
- air
- piston compressor
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Classifications
-
- 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
-
- 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
-
- 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
- C10L3/106—Removal of contaminants of water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B25/00—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L2290/548—Membrane- or permeation-treatment for separating fractions, components or impurities during preparation or upgrading of a fuel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention proposes a kind of energy-efficient biogas purification and supercharging integrated apparatus, uses digester by the H in biogas after boosting2S is effectively separated, use the supercharging of a Pyatyi piston compressor 3, biogas is via 1,2 grades of cylinder compression, via surge tank, drying machine, accurate filter, suppression pulsation also removes the You Heshui in biogas, via one-level membrane separation device, secondary membrane segregation apparatus, the biogas after filtering is purified again, isolates CO therein2Deng gas, biogas major part after purification, via 3,4,5 grades of cylinder compression superchargings, separately has fraction biogas to be again introduced into Pyatyi piston compressor through reflux line.Present invention achieves reliable stability and safety, there is the various features such as multi-stage compression, energy-saving and frequency-variable, capacity regulating, compact conformation, dependable performance.
Description
Technical field
The present invention relates to a kind of energy-efficient biogas purification and supercharging integrated apparatus.
Background technology
The outfit system that biogas pressurizer is specific to biogas and designs, collects methane purification and supercharging in one
Body, improves biogas quality, improves the phenomenon that biogas pressure is not enough, is widely used in all kinds of methane-generating pit and long-distance sand transport biogas.In
State's oil, natural gas and coal will at 50 years, 100 years and 200 years internal consumptions totally, and the environment that fossil energy use can bring
Polluting and greenhouse gas emission, biogas is a kind of clean energy resource, and government gives the attention of height all the time with big to biogas construction
Power is supported, through the effort construction of more than 20 years, all obtains achieved with remarkable achievement, scale and technical merit in rural area
The biggest development, in industrial application, biogas is the most also the clean energy resource of a kind of very advantageous, this field will certainly be met
Carrying out bigger development opportunity, biogas industry also will be more and more higher to the demand of supercharging purifying plant, higher pressure, more complete
Configuration, safer design, less floor space, be the developing direction of biogas pressurizer.
The commonly used the hugest a set of system of methane purification supercharging in the market, main employing blower fan does one-level
Preliminary supercharging, then desulfurization, then be pressurized to intermediate pressure through second piston compressor or helical-lobe compressor, purified after through three
Level piston compressor is pressurized to operating pressure, its two grades, three grades of superchargings use two compressors, the configuration of every compressor is individually
Motor, whole system floor space is big, and efficiency is low, and the novel high-efficiency and energy-saving biogas purification of my company and supercharging one makeup
Putting, have only to use a Pyatyi piston compressor after preliminary supercharging, configure a frequency conversion motor, all devices is integrated to be set
Meter assembles, and has advantage energy-efficient, that floor space is little, complies with industry development needs.
Summary of the invention
The present invention proposes a kind of energy-efficient biogas purification and supercharging integrated apparatus, by integrated design, overall weldering
Connect, modularization assembling becomes sled, has multi-stage compression, energy-saving and frequency-variable, capacity regulating, compact reliable, many spies such as floor space is little
Point, it is achieved stability and safety reliably.
The present invention realizes particular by techniques below scheme:
A kind of energy-efficient biogas purification and supercharging integrated apparatus, including the Roots blower installed on base, desulfurization
Tank, Pyatyi piston compressor, first exhaust surge tank, drying machine, accurate filter, one-level membrane separation device, secondary membrane are divided
From device, three grades of air inlet surge tanks, the 3rd aerofluxus surge tank, one-level air-cooled biogas cooler, secondary wind cool biogas cooler, three
Level air-cooled biogas cooler, level Four air-cooled biogas cooler, Pyatyi air-cooled biogas cooler, after described Roots blower will boost
Biogas access digester by exhaustor, it is grading that biogas is accessed Pyatyi piston compressor one by pipeline by described digester
QI KOU, described Pyatyi piston compressor one-level air vent arranges one-level air-cooled biogas cooler, one-level air-cooled biogas cooler
Being followed by Pyatyi piston compressor secondary inlet mouth, described Pyatyi piston compressor secondary exhaust accesses secondary wind cool biogas
Cooler, is connected to first exhaust surge tank after described secondary wind cool biogas cooler；Described secondary exhaust surge tank passes through pipeline
It is sequentially connected with drying machine, accurate filter, one-level membrane separation device, secondary membrane segregation apparatus and three grades of air inlet surge tanks；Described
Second air inlet surge tank connects three grades of air inlets of Pyatyi piston compressor, the three grades of aerofluxuss of Pyatyi piston compressor by pipeline
Mouth connects force 3 wind cold biogas cooler, force 3 wind cold biogas cooler connects Pyatyi piston compressor level Four air inlet, and five
Level piston compressor level Four air vent connects level Four air-cooled biogas cooler, level Four air-cooled biogas cooler connects Pyatyi piston
Formula compressor Pyatyi air inlet, Pyatyi piston compressor Pyatyi air vent connects Pyatyi air-cooled biogas cooler, described Pyatyi
Air-cooled biogas cooler is connected to the 3rd aerofluxus surge tank.
Preferably, preposition heat exchanger it is provided with between described Roots blower and digester.
Preferably, described secondary membrane segregation apparatus is provided with reflux line, and reflux line accesses Pyatyi piston compressor
One-level air inlet.
Preferably, described Pyatyi piston compressor uses a high efficiency motor, after I and II is compressed to 13bar,
Biogas is purified, the most again through three, four, Pyatyi compression boost to 250bar.
What the present invention produced has the beneficial effect that (1), traditional separate type machine set system carries out Intensive Design, one
Equipment realizes original multiple equipment just attainable function, and compact, floor space is little, multiple functional；(2), entirety is used
Based on base, base all-welded structure, stabilization of equipment performance is good；(3) Pyatyi piston compressor one change of collocation is used
Frequently motor, replaces the design of conventional multiple compressors, multiple electric motors, energy-efficient；(4) desulfurizer, cooling driers, high-precision is used
Spend the plurality of devices purifying biogas such as filter, two-stage membrane separation device, it is ensured that the high-quality of final gas, high stability want
Ask.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is that the core summary of the present invention processes structural representation
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
A kind of energy-efficient biogas purification and supercharging integrated apparatus, including the Roots's drum installed on base
Blower fan 1, digester 2, Pyatyi piston compressor 3, first exhaust surge tank 4, drying machine 5, accurate filter 6, one-level film divide
From device 7, secondary membrane segregation apparatus 8, three grades of air inlet surge tank the 9, the 3rd aerofluxus surge tanks 10, one-level air-cooled biogas coolers
11, secondary wind cool biogas cooler 12, force 3 wind cold biogas cooler 13, level Four air-cooled biogas cooler 14, the air-cooled natural pond of Pyatyi
Gas Cooler 15, the biogas after boosting is accessed digester 2 by exhaustor by described Roots blower 1, and described digester 2 passes through
Biogas is accessed Pyatyi piston compressor 3 one-level air inlet by pipeline, and described Pyatyi piston compressor 3 one-level air vent is arranged
One-level air-cooled biogas cooler 11, one-level air-cooled biogas cooler 11 is followed by Pyatyi piston compressor 3 secondary inlet mouth, described
Pyatyi piston compressor 3 secondary exhaust accesses secondary wind cool biogas cooler 12, described secondary wind cool biogas cooler 12
After be connected to first exhaust surge tank 4；Described secondary exhaust surge tank 4 by pipeline be sequentially connected with drying machine 5, accurate filter 6,
One-level membrane separation device 7, secondary membrane segregation apparatus 8 and three grades of air inlet surge tanks 9；Described second air inlet surge tank 9 passes through pipeline
Connection 3 three grades of air inlets of Pyatyi piston compressor, 3 three grades of air vents connection cold biogas of force 3 wind of Pyatyi piston compressor are cold
But device 13, force 3 wind cold biogas cooler 13 connect Pyatyi piston compressor 3 level Four air inlet, Pyatyi piston compressor 3
Level Four air vent connects level Four air-cooled biogas cooler 14, level Four air-cooled biogas cooler 14 connects Pyatyi piston compressor 3
Pyatyi air inlet, Pyatyi piston compressor 3 Pyatyi air vent connects Pyatyi air-cooled biogas cooler 15, the air-cooled natural pond of described Pyatyi
Gas Cooler 15 is connected to the 3rd aerofluxus surge tank 10；It is provided with preposition heat exchanger between described Roots blower 1 and digester 2
16, described secondary membrane segregation apparatus 8 is provided with reflux line 17, and it is grading that reflux line 17 accesses Pyatyi piston compressor 3 one
QI KOU.
The core synoptic diagram of the process of the present invention as shown in Figure 2, Pyatyi piston compressor uses a high efficiency motor 20,
After I and II compressibility 18 boosts to 13bar, biogas is purified, then in biogas purification membrane piece-rate system 19
Again through three, four, five-level compression system 21 boost to 250bar, it is achieved that a motor replaces what existing multiple electric motors could realize
Function.Wherein I and II compressibility 18 comprises Pyatyi piston compressor 3 one-level, two-stage compression process in the present embodiment,
Three, four, five-level compression system 21 includes the Pyatyi piston compressor 3 three grades in the present embodiment, level Four, Pyatyi compression process；
Biogas purification membrane piece-rate system 19 at least includes one-level membrane separation device 7, secondary membrane segregation apparatus 8, drying machine 5, secondary filter
Device 6 equipment such as grade goes out the You Heshui in biogas, and the device to methane purification.In whole compression process, use a high efficiency
Motor realize the function of multi-stage compression, replace the design of conventional multiple compressors, multiple electric motors, energy-efficient.
Biogas flow 500～1000Nm3/h in the present embodiment, admission pressure 0.05bar.g, pressure at expulsion 250bar.g,
Use a roots blower that the biogas of 0.05bar.g boosts to 1bar.g, use digester by the H in biogas after boosting2S enters
Row efficiently separates, and uses the supercharging of a Pyatyi piston compressor 3, and biogas increases from 1bar.g via 1,2 grades of cylinder compression, pressure
Being depressed into 18bar.g, via surge tank 10, drying machine 5, accurate filter 6, suppression pulsation also removes the You Heshui in biogas, then
Via one-level membrane separation device 7, secondary membrane segregation apparatus 8, the biogas after filtering is purified, isolate CO therein2In gas
Body, biogas major part after purification is pressurized to 250bar.g via 3,4,5 grades of cylinder compression, separately has fraction biogas through backflow
Pipeline 17 is again introduced into Pyatyi piston compressor.
Complete machine uses explosion-proof variable frequency motor, and main frame is direct-connected with motor coupler, uses at flow process interval Rational Matching surge tank
To suppress pulsation, use the 5 air-cooled biogas heat exchangers of set simultaneously, the delivery temperature of every one-level is down to 40 DEG C；Use the oil of customization
Lubricating system, arrange in pairs or groups wind cooling oil cooler, arrange oil temperature control valve, pressure control valve, oil temperature sensor, oil level indicator,
Oil filter differential pressure gauges etc. are to guarantee the reliable and stable of oil piping system；The present invention, by purifying compression integrated explosion-proof Integrated design, prizes
Assembling structure, energy-efficient, compact conformation, also can use container overall skid-mounted, configure many sleeving temperatures, pressure monitor monitor set
Standby, control system height intelligentized design；Present invention achieves reliable stability and safety, there is multi-stage compression, frequency conversion
The various features such as energy-conservation, capacity regulating, compact conformation, dependable performance.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (4)
1. an energy-efficient biogas purification and supercharging integrated apparatus, it is characterised in that include the Roots's drum installed on base
Blower fan (1), digester (2), Pyatyi piston compressor (3), first exhaust surge tank (4), drying machine (5), accurate filter
(6), one-level membrane separation device (7), secondary membrane segregation apparatus (8), three grades of air inlet surge tanks (9), the 3rd aerofluxus surge tank (10),
One-level air-cooled biogas cooler (11), secondary wind cool biogas cooler (12), force 3 wind cold biogas cooler (13), level Four are air-cooled
Biogas cooler (14), Pyatyi air-cooled biogas cooler (15), the biogas after boosting is passed through aerofluxus by described Roots blower (1)
Pipe accesses digester (2), and biogas is accessed Pyatyi piston compressor (3) one-level air inlet by pipeline by described digester (2),
Described Pyatyi piston compressor (3) one-level air vent arranges one-level air-cooled biogas cooler (11), and the air-cooled biogas of one-level cools down
Device (11) is followed by Pyatyi piston compressor (3) secondary inlet mouth, and described Pyatyi piston compressor (3) secondary exhaust accesses
Secondary wind cool biogas cooler (12), is connected to first exhaust surge tank (4) after described secondary wind cool biogas cooler (12)；Described
Secondary exhaust surge tank (4) by pipeline be sequentially connected with drying machine (5), accurate filter (6), one-level membrane separation device (7), two
Level membrane separation device (8) and three grades of air inlet surge tanks (9)；Described second air inlet surge tank (9) connects Pyatyi piston by pipeline
(3) three grades of air inlets of formula compressor, (3) three grades of air vents of Pyatyi piston compressor connect force 3 wind cold biogas cooler
(13), force 3 wind cold biogas cooler (13) connects Pyatyi piston compressor (3) level Four air inlet, Pyatyi piston compressor
(3) level Four air vent connects level Four air-cooled biogas cooler (14), level Four air-cooled biogas cooler (14) connects Pyatyi piston type
Compressor (3) Pyatyi air inlet, Pyatyi piston compressor (3) Pyatyi air vent connects Pyatyi air-cooled biogas cooler (15),
Described Pyatyi air-cooled biogas cooler (15) is connected to the 3rd aerofluxus surge tank (10).
A kind of energy-efficient biogas purification the most as claimed in claim 1 and supercharging integrated apparatus, it is characterised in that described sieve
Preposition heat exchanger (16) it is provided with between thatch aerator (1) and digester (2).
A kind of energy-efficient biogas purification the most as claimed in claim 1 and supercharging integrated apparatus, it is characterised in that described two
Level membrane separation device (8) is provided with reflux line (17), and reflux line (17) accesses Pyatyi piston compressor (3) one-level air inlet
Mouthful.
A kind of energy-efficient biogas purification the most as claimed in claim 1 and supercharging integrated apparatus, it is characterised in that described five
Level piston compressor uses a high efficiency motor, after I and II is compressed to 13bar, is purified biogas, the most again
Through three, four, Pyatyi compression boost to 250bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788004.XA CN106221839A (en) | 2016-08-31 | 2016-08-31 | A kind of energy-efficient biogas purification and supercharging integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788004.XA CN106221839A (en) | 2016-08-31 | 2016-08-31 | A kind of energy-efficient biogas purification and supercharging integrated apparatus |
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| CN106221839A true CN106221839A (en) | 2016-12-14 |
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| CN201610788004.XA Pending CN106221839A (en) | 2016-08-31 | 2016-08-31 | A kind of energy-efficient biogas purification and supercharging integrated apparatus |
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| CN101285462A (en) * | 2007-04-10 | 2008-10-15 | 北京好石佳燃气设备有限责任公司 | Piston reciprocating compressor step compression method and system |
| CN102203425A (en) * | 2008-11-17 | 2011-09-28 | Lg电子株式会社 | Frequency- variable compressor and control method thereof |
| EP2762220A1 (en) * | 2013-02-05 | 2014-08-06 | Axiom Angewandte Prozeßtechnik Ges. m.b.H. | Method and device for the utilisation of producer gas |
| CN104196702A (en) * | 2014-08-25 | 2014-12-10 | 大连华阳密封股份有限公司 | Dry gas seal first-level leakage recovery system of natural gas long-distance transport pipe compressor |
| CN204897856U (en) * | 2015-07-21 | 2015-12-23 | 广西蓝德再生能源有限责任公司 | Membrane separation marsh gas purification system |
| CN206308320U (en) * | 2016-08-31 | 2017-07-07 | 武汉格瑞拓机械有限公司 | A kind of energy-efficient biogas purifying and supercharging integrated apparatus |
-
2016
- 2016-08-31 CN CN201610788004.XA patent/CN106221839A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285462A (en) * | 2007-04-10 | 2008-10-15 | 北京好石佳燃气设备有限责任公司 | Piston reciprocating compressor step compression method and system |
| CN102203425A (en) * | 2008-11-17 | 2011-09-28 | Lg电子株式会社 | Frequency- variable compressor and control method thereof |
| EP2762220A1 (en) * | 2013-02-05 | 2014-08-06 | Axiom Angewandte Prozeßtechnik Ges. m.b.H. | Method and device for the utilisation of producer gas |
| CN104196702A (en) * | 2014-08-25 | 2014-12-10 | 大连华阳密封股份有限公司 | Dry gas seal first-level leakage recovery system of natural gas long-distance transport pipe compressor |
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