CN209537409U - Biogas film purifies integrating device - Google Patents
Biogas film purifies integrating device Download PDFInfo
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- CN209537409U CN209537409U CN201822012404.9U CN201822012404U CN209537409U CN 209537409 U CN209537409 U CN 209537409U CN 201822012404 U CN201822012404 U CN 201822012404U CN 209537409 U CN209537409 U CN 209537409U
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- biogas
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Abstract
The utility model relates to a kind of biogas films to purify integrating device, the device includes: sequentially connected biogas cooling and activated carbon sulfur removal unit, gas boosting unit, gas cooling unit, filtering unit, film process unit, the utility model can effectively remove the objectionable impurities in biogas, reach natural gas quality requirement, realizes and start rapid, inexpensive, integrated and maneuverability requirement.
Description
Technical field
The utility model relates to methane purifications, purify integrating device in particular to a kind of biogas film.
Background technique
The biogas factory of current various scales is effectively promoted and is established.But the biogas produced is due to containing
There is impurity more, quality is lower, it is difficult to obtain large-scale application in industry and daily life.Therefore in order to protect environment, section
About fossil energy, it is necessary to which deep processing is carried out to meet production and living needs to biogas.
Biogas is a kind of mixed gas based on methane, and the purpose of purification mainly removes removing carbon dioxide, water, ammonia
The impurity such as nitrogen, hydrogen sulfide, so that the ingredient accounting of methane in sewage gas reaches the requirement of natural gas.Current some biogas factories establish
Deimpurity process flow is gone on some bases, but process flow is complicated, take up a large area, input cost is excessively high, Bu Nengyou
The removal impurity of effect, the reach natural gas quality poor, no by property require, so that resulting in corrosive pipeline, equipment damage, make
Commercial cultivation cannot be recycled by obtaining biogas.
Therefore need to study that a kind of purification efficiency is high, takes up little area, is easy to operate, the good purification skill of at low cost and mobility
Art.
Summary of the invention
The utility model aims to overcome the deficiencies of the above prior art and provide a kind of efficient methane purification technology,
The objectionable impurities in biogas can be effectively removed, natural gas quality requirement is reached.Realize that starting is rapid, inexpensive, integrated
And the requirement of maneuverability.
The technical scheme adopted for realizing the purpose of the utility model is a kind of biogas film purification integrating device, which includes:
Biogas cooling and activated carbon sulfur removal unit, connect with the biogas pipeline of input, cooling and de- for carrying out to biogas
Sulphuring treatment；
Gas boosting unit, and the biogas is cooling connect with activated carbon sulfur removal unit, be used for cool down and and desulfurization at
Biogas after reason carries out being compressed to operating pressure；
Gas cooling unit is connect with the gas boosting unit, is used for compressed gas cooling and drying；
Filtering unit is connect with the gas cooling unit, for carrying out secondary mistake to the gas after cooling drying
Filter；
Film process unit, connect with filtering unit, for carrying out desulfurization to the gas after secondary filter, dehydration, taking off
Reach purification after carbon to require.
Further, the biogas film purifying technique integrating device further includes process control system, the technology controlling and process
System cools down and activated carbon sulfur removal unit, gas boosting unit, gas cooling unit, filtering unit with the biogas respectively
It is connected with film process unit；The process control system includes:
Biogas analysis module is connect with the biogas of input and last output gas by bypass pipe, and research and application is used for；
Gas volume measurement module is mounted on the pipeline before gas boosting unit, generates when fermentation for measuring
Methane quantity；
Measurement, control and regulation technology module, for adjusting and controlling each unit.
Further, the biogas is cooling and activated carbon sulfur removal unit includes sequentially connected 5 property charcoal of tubing heat exchanger
Filter 6, tubing heat exchanger are used for gas cooling and drying, active carbon filter be used to remove hydrogen sulfide in biogas and
Sulfurous gas.
Further, the gas boosting unit is the compressor 7 greater than 16Bar pressure, and compressor 7 is by the compression of gas
To certain pressure, the function of increasing pressure of gas is maintained.
Further, the filtering unit is active carbon filter.
Further, film process unit includes membrane module, and the membrane module includes outer frame, and outer frame is equipped with level-one film group
Part, second membrane module, three-level membrane module and vacuum pump group are at there are three interfaces, respectively import, penetrant mouth for every grade of membrane module
And retentate outlet；
The level-one membrane module is connected with second membrane module, the retentate outlet of level-one membrane module and second membrane module import
Connection, the permeant outlet of second membrane module and three-level membrane module respectively with level-one membrane module inlet parallel, level-one membrane module
Permeant outlet is connect with the import of three-level membrane module, and wherein the penetrant mouth of second membrane module and three-level membrane module is provided with one
Pressure-regulating valve；
In the above-mentioned technical solutions, every grade of membrane module is hollow-fibre membrane, and material is that polyamides is sub-, and membrane module cun is
100mm, length 1200mm.
Further, the penetrant mouth of the three-level membrane module is connected with hot recycling oxidation unit, hot recycling oxidation unit
For methyl hydride combustion heat production, heat heat transfer storage and gas purification discharge.
Further, the biogas film purifying technique integrating device further includes integrated container, and all units are set to
In integrated container；Low-temperature sensor, ventilation blower, gas sensor are additionally provided in the integrated container.
The main component devices of the utility model concentrate in container, compact arrangement of equipment, in order to transport and on the spot
Installation can effectively save the investment of workshop, reduce occupied area.Methane losses rate can be made to be less than using the utility model
0.5%, the concentration of methane can be greater than 97% in trapped substance, and energy consumption is about every cubic metre of biogas 0.28kWh, and it is slightly lower to produce atmospheric pressure
In 16 bars of operating pressures, purification system modularization, occupied area is small, does not need other drying systems, can recycle thermal energy, system
Quick start runs in the case of fractional load, provides pressure and flow accurately controls, low operation expense, no medicament and heat
Consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model biogas film purifies integrating device.
Fig. 2 is the structural schematic diagram of three-level membrane module used in the utility model.
Fig. 3 is the flow diagram of the utility model methane purification method.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the operating system that the utility model biogas film purification integrating device is container-type mainly includes collection
At container, biogas cooling and activated carbon sulfur removal unit, gas boosting unit, gas cooling unit, filtering unit, film
Manage unit, hot recycling oxidation unit, process control system etc..
Integrated container is mainly used for the equipment for storing and installing all component units, mainly includes low-temperature sensor 1, logical
Blower 2, gas sensor 3 form.
Process control system mainly purification process is monitored and controlled in all directions, include biogas analysis module 4.1,
Gas volume measurement module 4.2, measurement, control and regulation technology module 4.3 etc..The adjustable biogas quality of process control system
Problem, so that production still can be carried out in the case where load is too low, system can start and stop in a few minutes.
The effect of biogas analysis module 4.1 is sent to biogas analyzer by system bypass pipe for biogas and is continuously measured.
Biogas instrument is used to be monitored various pieces in technique.
Detection data can also be shown in the display screen display of instrument by visible system.If related ginseng in biogas
Number is exceeded, and security system will will call the police.
Gas volume measurement module 4.2 is mounted on the pipeline before biogas compressor, is generated when fermentation for measuring
Methane quantity.
Measurement, control and regulation technology module 4.3 are used for the adjusting and control of whole system.
Biogas is cooling and activated carbon sulfur removal unit predominantly conveys the biogas to come and carries out cooling and desulfurization process, the unit
Including 1 tubing heat exchanger, 5,1 active carbon filters 6.Tubing heat exchanger 5 is used for gas cooling and drying, active carbon
Filter 6 removes the hydrogen sulfide and sulfurous gas in biogas.
Gas boosting unit is used for Marsh gas compression to operating pressure, and capital equipment includes 1 pressure for being greater than 16Bar pressure
Contracting machine 7.Compressor 7 is compressed to certain pressure for gas, maintains the function of increasing pressure of gas.
Gas cooling unit is mainly used for by compressed gas cooling and drying, and capital equipment includes 1 refrigeration machine
8.Refrigeration machine 8 mainly realizes compressed high-temperature gas cooling and functions/drying, in order to carry out subsequent film purifier units
When, it is unlikely to lose membrane module.
Filtering unit is mainly used for being pressurized the secondary filter of gas after cooling, and main includes 3 active carbon filterings
Device 6, for removing the oil and gas in biogas, hydrogen sulfide etc..For the membrane module and other equipment of protective film processing unit, it is necessary to reduce
Hydrogen sulfide content in biogas.It is filtered using special active carbon to separate the hydrogen sulfide in biogas.When needed, it can replace
Filter.
Film process unit is mainly used for further large-scale desulfurization after foregoing schemes in biogas, dehydration, decarburization
Purification requires, and mainly includes 1 membrane module 9.Membrane module 7 is by 1 set of 9.1,1 sets of outer frame, 9.2,1 sets of level-one membrane module secondary membrane
9.3,1 sets of the component vacuum pump 9.5 of three-level membrane module 9.4,1 composition.There are three interfaces, respectively import, infiltration for each membrane module
Saturating object mouth and retentate outlet.
Membrane module is hollow-fibre membrane, and material is that polyamides is sub-, and membrane module cun is 100mm, length 1200mm.Membrane module 9
Connection principle is connected to three-level for an appropriate number of membrane with parallel way.In the utility model level-one membrane module 9.2 with
Second membrane module 9.3 is connected, and the retentate outlet of level-one membrane module 9.2 is connect with 9.3 import of second membrane module.Second membrane module
9.3 and three-level membrane module 9.4 permeant outlet respectively with 9.2 inlet parallel of level-one membrane module.The infiltration of level-one membrane module 9.2
Object is exported to be illustrated in fig. 2 shown below with the inlet parallel of three-level membrane module 9.4.Wherein second membrane module 9.3 and three-level membrane module 9.4
Penetrant mouth is provided with a pressure-regulating valve.
Biogas is initially entered from 9.2 import of membrane module, is given off and is ultimately failed to completely by 9.4 penetrant mouth of three-level membrane module
The foreign gas of filtering, the foreign gas are carbon dioxide enriched exhaust gas (infiltration gas), containing very small amount of methane, are pumped to
Regeneration thermal oxidation units are handled.The schematic diagram of three-level membrane module is as shown in Figure 2.
Each membrane module is mounted in respective slot, if it is desired, can be single in the case where whole system keeps operating
Replacement.To cope with the case where film properties decline during whole service, continuously adjustable is mounted with after second membrane module 9.3
Vacuum pump 9.5, which is used to increase the pressure ratio of second level.
Hot recycling oxidation unit gives off mainly for the treatment of 9.4 penetrant mouth of three-level membrane module containing very small amount of first
The mix waste gas such as alkane, carbon dioxide enriched and hydrogen sulfide.
Hot recycling oxidation unit includes two regenerating devices 10.1 and 10.2, and the inside is filled with ceramics and is used as heat exchange elements,
Ceramics store heat, discharge heat, and time variant direction.Combuster, heat-exchanging chamber, purification in regenerating device 10.1 and 10.2
Room and chimney, in order to methyl hydride combustion heat production, heat heat transfer storage and gas purification discharge.
9.4 penetrant mouth of three-level membrane module gives off containing very small amount of methane, carbon dioxide enriched and hydrogen sulfide etc.
For mix waste gas after preheating, methane enters combustion chamber after the air mixed diluting with regenerating device 10.1.Above-mentioned mix waste gas
Fully oxidized, methane completely burned is obtained after being further heated herein, the hydrogen sulfide in exhaust gas is oxidized to two in the combustion chamber
Sulfur oxide, the gaseous mixture of final gas interior only sulfur dioxide, carbon dioxide and vapor.It is purified by regenerating device 10.1
Hot gas enters second regenerating device 10.2, its heat is exchanged to after medium for storing, the clean room of final hot recycling oxidation unit
Direct emission after purification gas.
Combustion heat release reaction allows regenerating oxidation unit from heat angle automatic running, as enough in contained in exhaust gas
Methane then need to only need to start addition compensation fuel.The heat of the storage of this unit can be used for other units of biogas plant and set
Standby heating.
As shown in figure 3, including: by the process that the utility model biogas film purifies integrating device realization methane purification
Cooling and desulfurization process is carried out after biogas input biogas cooling and activated carbon sulfur removal unit；
It cools down and carries out being compressed to operating pressure by gas boosting unit with the biogas after desulfurization process；
Compressed gas is cooled down and dried by gas cooling unit；
Gas after cooling drying carries out secondary filter by filtering unit；
Reach purification after film process unit carries out desulfurization, dehydration, decarburization to the gas after secondary filter to require.
The utility model carries out methane purification for the original biogas of fermenting and producing in anaerobic jar, can make methane purification extremely
Natural gas quality, and meet grid-connected requirement.
Claims (9)
1. a kind of biogas film purifies integrating device characterized by comprising
Biogas cooling and activated carbon sulfur removal unit, connect with the biogas pipeline of input, for carrying out at cooling and desulfurization to biogas
Reason；
Gas boosting unit, and the biogas is cooling connect with activated carbon sulfur removal unit, be used for cool down and and desulfurization process after
Biogas carry out being compressed to operating pressure；
Gas cooling unit is connect with the gas boosting unit, is used for compressed gas cooling and drying；
Filtering unit is connect with the gas cooling unit, for carrying out secondary filter to the gas after cooling drying；
Film process unit, connect with filtering unit, after carrying out desulfurization, dehydration, decarburization to the gas after secondary filter
Reach purification to require.
2. biogas film according to claim 1 purifies integrating device, it is characterised in that: it further include process control system, institute
Process control system is stated to cool down and activated carbon sulfur removal unit, gas boosting unit, gas cooling unit, gas with the biogas respectively
Body filter element is connected with film process unit；The process control system includes:
Biogas analysis module is connect with the biogas of input and last output gas by bypass pipe, and research and application is used for；
Gas volume measurement module is mounted on the pipeline before gas boosting unit, for measuring the biogas generated when fermentation
Amount；
Measurement, control and regulation technology module, for adjusting and controlling each unit.
3. biogas film according to claim 1 or 2 purifies integrating device, it is characterised in that: the biogas is cooling and active
Charcoal sulfur removal unit includes sequentially connected tubing heat exchanger and active carbon filter, tubing heat exchanger for gas cooling and
Dry, active carbon filter is used to remove the hydrogen sulfide and sulfurous gas in biogas.
4. biogas film according to claim 1 purifies integrating device, it is characterised in that: the gas boosting unit be greater than
The compressor 7 of 16Bar pressure, compressor 7 are compressed to certain pressure for gas, maintain the function of increasing pressure of gas.
5. biogas film according to claim 1 purifies integrating device, it is characterised in that: the filtering unit is activity
Carbon filter.
6. biogas film according to claim 1 purifies integrating device, it is characterised in that: film process unit includes membrane module,
The membrane module includes outer frame, outer frame be equipped with level-one membrane module, second membrane module, three-level membrane module and vacuum pump group at,
There are three interfaces, respectively import, penetrant mouth and retentate outlet for every grade of membrane module；
The level-one membrane module is connected with second membrane module, and the retentate outlet of level-one membrane module and second membrane module import connect
Connect, the permeant outlet of second membrane module and three-level membrane module respectively with level-one membrane module inlet parallel, the infiltration of level-one membrane module
Saturating object outlet is connect with the import of three-level membrane module, and wherein the penetrant mouth of second membrane module and three-level membrane module is provided with one
Pressure-regulating valve.
7. biogas film according to claim 6 purifies integrating device, it is characterised in that: every grade of membrane module is hollow fibre
Film is tieed up, material is that polyamides is sub-, and membrane module cun is 100mm, length 1200mm.
8. biogas film according to claim 7 purifies integrating device, it is characterised in that: the penetrant mouth of three-level membrane module connects
It is connected to hot recycling oxidation unit, hot recycling oxidation unit is for methyl hydride combustion heat production, heat heat transfer storage and gas purification discharge.
9. biogas film according to claim 1 purifies integrating device, it is characterised in that: further include integrated container, own
Unit is set in integrated container；Low-temperature sensor, ventilation blower, gas sensor are additionally provided in the integrated container.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012404.9U CN209537409U (en) | 2018-12-03 | 2018-12-03 | Biogas film purifies integrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012404.9U CN209537409U (en) | 2018-12-03 | 2018-12-03 | Biogas film purifies integrating device |
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| CN209537409U true CN209537409U (en) | 2019-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593582A (en) * | 2018-12-03 | 2019-04-09 | 中国船舶重工集团公司第七〇九研究所 | Biogas film purifies integrating device and its methane purification method |
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2018
- 2018-12-03 CN CN201822012404.9U patent/CN209537409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593582A (en) * | 2018-12-03 | 2019-04-09 | 中国船舶重工集团公司第七〇九研究所 | Biogas film purifies integrating device and its methane purification method |
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