CN106823674A - Gas processing method and device - Google Patents
Gas processing method and device Download PDFInfo
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- CN106823674A CN106823674A CN201710015081.6A CN201710015081A CN106823674A CN 106823674 A CN106823674 A CN 106823674A CN 201710015081 A CN201710015081 A CN 201710015081A CN 106823674 A CN106823674 A CN 106823674A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of gas processing method and device.Wherein, the method includes：Technique is trapped using pre-set gas trap object gas from source of gaseous emission, wherein, object gas are used to seal up for safekeeping to hypotonic salt water layer；Technique is sealed up for safekeeping using pre-set gas to seal into hypotonic salt water layer object gas up for safekeeping；After object gas are sealed up for safekeeping into hypotonic salt water layer, monitoring objective gas seals environment up for safekeeping and seals the relation factor of environment up for safekeeping.The present invention lacks collecting carbonic anhydride and the full-range technical problem of geological storage in solving correlative technology field.
Description
Technical field
The present invention relates to environmental area, in particular to a kind of gas processing method and device.
Background technology
Since the industrial revolution, the energy resource system based on primary energy has discharged great amount of carbon dioxide, and it causes weather to become
The reality of change has become international consensus.It is to realize low-carbon (LC) now, circulate the important of sustainable development to reduce CO2 emission
Content.CCS (collecting carbonic anhydride and geological storage) is considered as one of the major technique for realizing scale emission reduction.
But in China's full-range demonstrative project of also neither one, and China basin is based on continental deposit, bar is deposited
Part is complicated to put into practice challenge with bigger.
For above-mentioned problem, effective solution is not yet proposed at present.
The content of the invention
A kind of gas processing method and device are the embodiment of the invention provides, at least to solve to lack in correlative technology field
Collecting carbonic anhydride and the full-range technical problem of geological storage.
A kind of one side according to embodiments of the present invention, there is provided gas processing method, including：Caught using pre-set gas
Collection technique traps object gas from source of gaseous emission, wherein, above-mentioned object gas are used to seal up for safekeeping to hypotonic salt water layer；Using default
Gas seals technique up for safekeeping and seals into above-mentioned hypotonic salt water layer above-mentioned object gas up for safekeeping；Sealed up for safekeeping to above-mentioned low by above-mentioned object gas
During oozing in salt water layer and afterwards, that monitors above-mentioned object gas seals environment and the above-mentioned relation factor for sealing environment up for safekeeping up for safekeeping.
Further, trap technique using pre-set gas includes from source of gaseous emission trapping object gas：From above-mentioned gas
Emission source collects gas；Gas to being collected into is compressed, the gas after being compressed；Gas after above-mentioned compression is performed
Adsorption operations, to remove the impurity in the gas after above-mentioned compression；The gas that impurity will be stripped of carries out freezing separation treatment, with
The above-mentioned fixed gas being stripped of in the gas of impurity of removing, obtains above-mentioned object gas.
Further, above-mentioned gas are sealed technique up for safekeeping and are included：Multilayer is layered injection technology or the general injection technology of multilayer.
Further, seal technique up for safekeeping using pre-set gas and seal above-mentioned object gas up for safekeeping into above-mentioned hypotonic salt water layer bag
Include：During above-mentioned object gas are sealed up for safekeeping into above-mentioned hypotonic salt water layer, monitor above-mentioned object gas and entering above-mentioned
It is whether in a supercritical state before hypotonic salt water layer；If so, then the above-mentioned object gas in above-mentioned supercriticality are sealed
Deposit into above-mentioned hypotonic salt water layer；And/or if it is not, then adjust the pressure and/or temperature of above-mentioned object gas, so that above-mentioned target
Gas reaches above-mentioned supercriticality, and the gas being up to after above-mentioned supercriticality is sealed up for safekeeping to above-mentioned hypotonic salt water layer
In.
Further, seal technique up for safekeeping using pre-set gas and seal above-mentioned object gas up for safekeeping into above-mentioned hypotonic salt water layer bag
Include：Pre-conditioned anticorrosive casing pipe is met using antiseptic property and anti-corrosion gas injection tube column above-mentioned object gas are delivered to it is above-mentioned low
Ooze the entrance of salt water layer.
Further, one or more section hoop wire button is provided with above-mentioned anticorrosive casing pipe and above-mentioned anti-corrosion gas injection tube column,
Said one or multiple section hoop wire buttons use airtight closure.
Further, the above method also includes：During above-mentioned section hoop wire button is connected, above-mentioned section hoop wire button is carried out
Hermetic seal is tested.
Further, during above-mentioned object gas are sealed up for safekeeping to above-mentioned hypotonic salt water layer and afterwards, monitor above-mentioned
Seal up for safekeeping the environment and the above-mentioned relation factor for sealing environment up for safekeeping of object gas include：Sealed up for safekeeping to above-mentioned hypotonic by above-mentioned object gas
Salt water layer in after, using underground, ground, the comprehensive technique of the aerial Trinity to above-mentioned object gas seal up for safekeeping environment and on
State and seal the relation factor of environment up for safekeeping and be monitored.
One side according to embodiments of the present invention, additionally provides a kind of gas treatment equipment, including：Capture unit, uses
Object gas are trapped from source of gaseous emission in technique is trapped using pre-set gas, wherein, above-mentioned object gas are used to seal up for safekeeping to low
Ooze salt water layer；Seal unit up for safekeeping, seal to above-mentioned hypotonic salt water layer above-mentioned object gas up for safekeeping for sealing technique up for safekeeping using pre-set gas
In；Monitoring unit, for during above-mentioned object gas are sealed up for safekeeping to above-mentioned hypotonic salt water layer and afterwards, monitoring above-mentioned mesh
Gas body seals environment and the above-mentioned relation factor for sealing environment up for safekeeping up for safekeeping.
Further, above-mentioned capture unit includes：Collection module, for collecting gas from above-mentioned gas emission source；Compression
Module, for being compressed to the gas being collected into, the gas after being compressed；Adsorption module, for by after above-mentioned compression
Gas performs adsorption operations, to remove the impurity in the gas after above-mentioned compression；Freezing separation module, for impurity will to be stripped of
Gas carry out freezing separation treatment, to remove the above-mentioned fixed gas being stripped of in the gas of impurity, obtain above-mentioned object gas.
In embodiments of the present invention, using a kind of collecting carbonic anhydride and the full-range mode of geological storage, by using
Pre-set gas trap technique and trap object gas from source of gaseous emission, wherein, above-mentioned object gas are used to seal up for safekeeping to hypotonic salt water
Layer；Technique is sealed up for safekeeping using pre-set gas to seal into above-mentioned hypotonic salt water layer above-mentioned object gas up for safekeeping；By above-mentioned object gas
During sealing up for safekeeping to above-mentioned hypotonic salt water layer and afterwards, that monitors above-mentioned object gas seals environment and above-mentioned environment of sealing up for safekeeping up for safekeeping
Relation factor, has reached the purpose of the collecting carbonic anhydride and geological storage under whole process, it is achieved thereby that efficiently, safety with can
The technique effect of the hypotonic salt water layer whole process CCS technique bags of the high concentrations of gas of control, and then solve and lack in correlative technology field
Few collecting carbonic anhydride and the full-range technical problem of geological storage.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of a kind of optional gas processing method according to embodiments of the present invention；
Fig. 2 is the schematic diagram of a kind of optional gas treatment equipment according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
Embodiment 1
According to embodiments of the present invention, there is provided a kind of gas processing method embodiment is, it is necessary to what is illustrated is, although in flow
Logical order is shown in figure, but in some cases, can be shown or described to perform different from order herein
Step.
Fig. 1 is the flow chart of a kind of optional gas processing method according to embodiments of the present invention, as shown in figure 1, the party
Method comprises the following steps：
Step S102, traps technique and traps object gas from source of gaseous emission using pre-set gas, wherein, object gas are used
In seal up for safekeeping to hypotonic salt water layer；
Step S104, seals technique up for safekeeping and seals into hypotonic salt water layer object gas up for safekeeping using pre-set gas；
Step S106, during object gas are sealed up for safekeeping to hypotonic salt water layer and afterwards, the envelope of monitoring objective gas
Dis environment and seal the relation factor of environment up for safekeeping.
For low-carbon cycle sustainable development in the urgent need in order to low in the low hole of terrestrial facies in Chinese clean coal production process
Ooze and be filled with pollution gas such as carbon dioxide, exigence trapping and the full-range technology of geological storage in deep salt water layer,
By taking carbon dioxide as an example, the high concentration CO 2 tail gas to coal chemical engineering equipment (i.e. emission source) discharge is trapped, and obtains target gas
Body, for sealing up for safekeeping to hypotonic salt water layer, after by object gas carbon dioxide sequestration to hypotonic salt water layer, monitoring objective gas
Sealing environment up for safekeeping and sealing the relation factor of environment up for safekeeping for body carbon dioxide, can be by emission source, carbon source quality and surrounding geology feelings
Considering for condition, is precisely detected and monitoring means by optimize technique with supporting modernization.
By above-mentioned implementation method, using a kind of collecting carbonic anhydride and the full-range mode of geological storage, by using
Pre-set gas trap technique and trap object gas from source of gaseous emission, wherein, above-mentioned object gas are used to seal up for safekeeping to hypotonic salt water
Layer；Technique is sealed up for safekeeping using pre-set gas to seal into above-mentioned hypotonic salt water layer above-mentioned object gas up for safekeeping；By above-mentioned object gas
During sealing up for safekeeping to above-mentioned hypotonic salt water layer and afterwards, that monitors above-mentioned object gas seals environment and above-mentioned environment of sealing up for safekeeping up for safekeeping
Relation factor, has reached the purpose of the collecting carbonic anhydride and geological storage under whole process, it is achieved thereby that efficiently, safety with can
The technique effect of the hypotonic salt water layer whole process CCS technique bags of the high concentrations of gas of control, and then solve and lack in correlative technology field
Few collecting carbonic anhydride and the full-range technical problem of geological storage.
Additionally, after technique is trapped from source of gaseous emission trapping object gas using pre-set gas, in order to realize target
Gas is used to seal up for safekeeping to hypotonic salt water layer, it is necessary to the technical/economical models of the transportation modes selection of selection target gas, wherein skill
Art economic model includes gaseous state, liquid, the econmics comparison of above-critical state different conditions.Technical/economical models are transported including tank car
With the econmics comparison of pipeline transportation, tank car is transported includes truck tank and train tanker vehicle, and pipeline transportation includes short distance in region
From conveying and trans-regional long distance delivery.The selection of CO2 means of transportation according to primary conditions such as conveying capacity, fed distances, it is necessary to
The basic conditions such as local climate, the hydrology, geology are fully understanded, while considering underground mine, ground infrastructure, all kinds of protections
The disturbed conditions such as area, tourist district, development zone, military installations, targetedly to highway transportation, railway transportation, pipeline transportation
Technical Economy carries out comprehensive assessment.By " budget type " assessment models of exploitation for investment decision provides more accurate information.
Alternatively, trap technique using pre-set gas includes from source of gaseous emission trapping object gas：From source of gaseous emission
Collect gas；Gas to being collected into is compressed, the gas after being compressed；Gas after compression is performed into adsorption operations,
To remove the impurity in the gas after compression；The gas that impurity will be stripped of carries out freezing separation treatment, miscellaneous to be stripped of
Fixed gas in the gas of matter, obtains object gas.
By taking the high concentration CO 2 tail gas of coal chemical engineering equipment discharge as an example, by obtaining pure after step compression absorption freezing separation
The liquid CO 2 of degree more than 95%.Wherein flow of the compressed gas gas concentration lwevel is more than 70%, and compressed air stream comes from subsequent technique
Continue on for adsorption tower regeneration after the light component gas isolated, with unstripped gas heat exchange, wherein pressure is between 3-5MPa after compression.
The cold that wherein outer circulation cold supply system needs is provided by recirculated water or air cooling.The technique includes compression, absorption, freezing, separation
Etc. master operation, process is first to remove the impurity absorptions such as the sulfide in protocercal tail gas, hydro carbons, water, methyl alcohol, and wherein sulfide is small
20ppm etc. is less than less than 10ppm, water less than 50ppm, methyl alcohol in 0.1ppm, hydro carbons, then in chilled, separation removal unstripped gas
Fixed gas, the product quality for obtaining can meet industrial needs and can also meet food and use needs.Wherein separating includes energy
Enough flash distillation, rectifying for effectively separating the low light gas stream of carbon dioxide and Bi Qi condensation points etc.
In order to solve the unfavorable geologic feature of many alternating layers of continental sedimentary basin, thin layer, low porosity and low permeability, multilayer layering is developed
Injection and the general injection technology of multilayer, alternatively, gas seals technique up for safekeeping to be included：Multilayer is layered injection technology or multilayer is generally injected
Technique.Wherein can be pressurization injection technology, including inject mechanical pressurization and gravity acting pressurization, wherein pressure is able to maintain that foot
Enough injection rates, the carbon dioxide that pressure must completely inject stratum reaches supercriticality.In order to save energy, can heat,
Heated including ground outside heat supply and underground ground temperature, and heat the carbon dioxide for must being fulfilled for injecting stratum and reach supercritical state
State.That is, to ensure the smooth implementation of the technique, it is necessary to ensure by taking carbon dioxide as an example：Pressure and temperature must ensure to enter storage
The CO2 of layer is in a supercritical state.
Alternatively, being sealed up for safekeeping technique and sealed to hypotonic salt water layer up for safekeeping object gas using pre-set gas includes：By target
During gas is sealed up for safekeeping into hypotonic salt water layer, whether monitoring objective gas is before hypotonic salt water layer is entered in overcritical
State；If so, then object gas in a supercritical state are sealed up for safekeeping into hypotonic salt water layer；And/or if it is not, then adjust target
The pressure and/or temperature of gas, so that object gas reach supercriticality, and are up to the envelope of the gas after supercriticality
Deposit into hypotonic salt water layer.
It should be noted that salt water layer can be less than 800 meters continental deposit stratum, porosity is less than 10%, permeability
Less than 1mD, salt content is in more than 3000mg/L.
Alternatively, being sealed up for safekeeping technique and sealed to hypotonic salt water layer up for safekeeping object gas using pre-set gas includes：Using anti-corrosion
Performance meets the entrance that object gas are delivered to hypotonic salt water layer for pre-conditioned anticorrosive casing pipe and anti-corrosion gas injection tube column.It is optional
Ground, is provided with one or more section hoop wire button on anticorrosive casing pipe and anti-corrosion gas injection tube column, one or more section hoop wire button is adopted
Use airtight closure.
The situation high to safe requirement for anticorrosion is sealed up for safekeeping according to CO2 injections, using anticorrosive casing pipe high and gas injection tube column, is beneficial to
The injection of CO2 and long-term burying create favorable conditions；The section hoop wire button of sleeve pipe and gas injection tube column uses airtight closure, in connection
During it is each button be required to by hermetic seal test；To ensure cementing quality, production casing well cementation is using segmentation tie-back cementing
Mode, fully ensures that cementing quality, prevents slot leakage；Using high-strength anti-corrosion casing head and well head, it is ensured that the safety note of CO2
Enter the demand with long term monitoring, can effectively ensure that under CO2 etching conditions, use steadily in the long term；For different working conditions,
Have developed two kinds of corrosion-resistant cement slurry systems of different mechanism；Cementing concrete must return to well head in well cementing process.
Alternatively, the above method also includes：During connection section hoop wire button, promoting the circulation of qi sealing is tipped in section hoop wire and is surveyed
Examination.
Alternatively, during object gas are sealed up for safekeeping to hypotonic salt water layer and afterwards, monitoring objective gas is sealed up for safekeeping
Environment and seal the relation factor of environment up for safekeeping and include：During object gas are sealed up for safekeeping to hypotonic salt water layer and afterwards, use
Underground, ground, the comprehensive technique of the aerial Trinity are carried out to sealing environment up for safekeeping and sealing the relation factor of environment up for safekeeping for object gas
Detection.
That is, in order to realize sealing environment up for safekeeping and sealing the relation factor of environment up for safekeeping for monitoring objective gas, by target gas
The body such as safety of CO2 geological storages and environmental risk assessment, establish comprehensive monitoring technique and the CO2 supporting with demonstrative project
Leakage early warning and handling device.
Wherein, can essentially be underground monitoring technique using underground, ground, the comprehensive technique of the aerial Trinity, bag
Include the monitoring for sealing region reservoir, cap rock up for safekeeping；Ground monitoring technique, the monitoring including shallow earth's surface, surface soil, surface vegetation etc.；
Aerial monitoring technique, including seal region up for safekeeping and its neighbouring lower atmosphere, Earth Surface Atmosphere carry out gas concentration lwevel and tracer
Monitoring, and carry out ground deformation and ecology influence to sealing region up for safekeeping by means such as satellite, remote sensing from space.Namely can be
Comprising injection well downhole monitoring system, monitoring well downhole monitoring system, shallow well sampling monitoring system, soil CH_4 uptake flux, atmospheric eddy
Degree, Atmospheric CO2 concentration, underground drinking water water quality, the deformation of radar earth's surface, time shift VSP seismic monitorings etc. are in interior integration monitoring
Technique.
Further, it is also possible to according to Monitoring Data, including Monitoring Data record, transmission, arrangement, explanation, prediction, issue
Deng.Complete safety evaluation and early warning disposing technique, built up diffusion simulations and Information Platform Construction, be CO2 it is chronic with it is anxious
Property leakage offer science Disposal Measures.
Embodiment 2
According to embodiments of the present invention, a kind of gas treatment equipment embodiment is additionally provided.
Fig. 2 is the schematic diagram of a kind of optional gas treatment equipment according to embodiments of the present invention, as shown in Fig. 2 the dress
Put including：Including：Capture unit 20, object gas are trapped for trapping technique using pre-set gas from source of gaseous emission, wherein,
Above-mentioned object gas are used to seal up for safekeeping to hypotonic salt water layer；Unit 40 is sealed up for safekeeping, for sealing technique up for safekeeping by above-mentioned mesh using pre-set gas
Gas body is sealed up for safekeeping into above-mentioned hypotonic salt water layer；Monitoring unit 60, for being sealed up for safekeeping to above-mentioned hypotonic salty by above-mentioned object gas
During in water layer and afterwards, that monitors above-mentioned object gas seals environment and the above-mentioned relation factor for sealing environment up for safekeeping up for safekeeping.
For low-carbon cycle sustainable development in the urgent need in order to low in the low hole of terrestrial facies in Chinese clean coal production process
Ooze and be filled with pollution gas such as carbon dioxide, exigence trapping and the full-range technology of geological storage in deep salt water layer,
By taking carbon dioxide as an example, the high concentration CO 2 tail gas to coal chemical engineering equipment (i.e. emission source) discharge is trapped, and obtains target gas
Body, for sealing up for safekeeping to hypotonic salt water layer, during by object gas carbon dioxide sequestration to hypotonic salt water layer and afterwards, prison
Sealing environment up for safekeeping and sealing the relation factor of environment up for safekeeping for object gas carbon dioxide is surveyed, can be by emission source, carbon source quality and week
Considering for geological condition is enclosed, is precisely detected with supporting modernization by optimize technique and monitoring means.
By above-mentioned implementation method, using a kind of collecting carbonic anhydride and the full-range mode of geological storage, reach complete
The purpose of collecting carbonic anhydride under flow and geological storage, it is achieved thereby that efficiently, safety it is low with controllable high concentrations of gas
Ooze the technique effect of salt water layer whole process CCS technique bags, so solve lack in correlative technology field collecting carbonic anhydride with
The full-range technical problem of geological storage.Further, above-mentioned capture unit includes：Collection module, for being arranged from above-mentioned gas
Put source and collect gas；Compression module, for being compressed to the gas being collected into, the gas after being compressed；Adsorption module, uses
Gas after by above-mentioned compression performs adsorption operations, to remove the impurity in the gas after above-mentioned compression；Freezing separation module,
Gas for will be stripped of impurity carries out freezing separation treatment, to remove the above-mentioned fixed gas being stripped of in the gas of impurity,
Obtain above-mentioned object gas.
It should be noted that the function that the units/modules in device section Example are realized, in method section Example
Corresponding step realize function it is same or similar, will not be repeated here.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of gas processing method, it is characterised in that including：
Using pre-set gas trap technique from source of gaseous emission trap object gas, wherein, the object gas be used for seal up for safekeeping to
Hypotonic salt water layer；
Technique is sealed up for safekeeping using pre-set gas to seal into the hypotonic salt water layer object gas up for safekeeping；
During the object gas are sealed up for safekeeping to the hypotonic salt water layer and afterwards, sealing up for safekeeping for the object gas is monitored
Environment and the relation factor for sealing environment up for safekeeping.
2. method according to claim 1, it is characterised in that trap technique using pre-set gas and trapped from source of gaseous emission
Object gas include：
Gas is collected from the source of gaseous emission；
Gas to being collected into is compressed, the gas after being compressed；
Gas after the compression is performed into adsorption operations, to remove the impurity in the gas after the compression；
The gas that impurity will be stripped of carries out freezing separation treatment, to remove the fixed gas being stripped of in the gas of impurity,
Obtain the object gas.
3. method according to claim 1, it is characterised in that the gas seals technique up for safekeeping to be included：Multilayer layering injection work
Skill or the general injection technology of multilayer.
4. method according to claim 1, it is characterised in that seal technique up for safekeeping using pre-set gas and seal the object gas
Depositing to the hypotonic salt water layer includes：
During the object gas are sealed up for safekeeping to the hypotonic salt water layer, monitor the object gas and entering described low
It is whether in a supercritical state before oozing salt water layer；
If so, then the object gas in the supercriticality are sealed up for safekeeping into the hypotonic salt water layer；And/or
If it is not, the pressure and/or temperature of the object gas are then adjusted, so that the object gas reach the supercritical state
State, and be up to the gas after the supercriticality and seal up for safekeeping into the hypotonic salt water layer.
5. method according to claim 1, it is characterised in that seal technique up for safekeeping using pre-set gas and seal the object gas
Depositing to the hypotonic salt water layer includes：
Using antiseptic property meet pre-conditioned anticorrosive casing pipe and anti-corrosion gas injection tube column the object gas are delivered to it is described
The entrance of hypotonic salt water layer.
6. method according to claim 5, it is characterised in that set on the anticorrosive casing pipe and the anti-corrosion gas injection tube column
There is one or more section hoop wire button, one or more of section hoop wire buttons use airtight closure.
7. method according to claim 6, it is characterised in that methods described also includes：
During the section hoop wire button is connected in, promoting the circulation of qi sealing test is tipped to the section hoop wire.
8. method according to claim 1, it is characterised in that sealed up for safekeeping to the hypotonic salt water layer by the object gas
In after, seal up for safekeeping the environment and the relation factor for sealing environment up for safekeeping for monitoring the object gas include：
It is entirely square using underground, ground, the aerial Trinity after the object gas are sealed up for safekeeping into the hypotonic salt water layer
Position technique to the object gas seal environment up for safekeeping and the relation factor for sealing environment up for safekeeping is monitored.
9. a kind of gas treatment equipment, it is characterised in that including：
Capture unit, object gas are trapped for trapping technique using pre-set gas from source of gaseous emission, wherein, the target gas
Body is used to seal up for safekeeping to hypotonic salt water layer；
Seal unit up for safekeeping, seal into the hypotonic salt water layer object gas up for safekeeping for sealing technique up for safekeeping using pre-set gas；
Monitoring unit, for during the object gas are sealed up for safekeeping to the hypotonic salt water layer and afterwards, monitoring to be described
Object gas seal environment and the relation factor for sealing environment up for safekeeping up for safekeeping.
10. device according to claim 9, it is characterised in that the capture unit includes：
Collection module, for collecting gas from the source of gaseous emission；
Compression module, for being compressed to the gas being collected into, the gas after being compressed；
Adsorption module, it is miscellaneous in the gas after the compression to remove for the gas after the compression to be performed into adsorption operations
Matter；
Freezing separation module, the gas for will be stripped of impurity carries out freezing separation treatment, and described impurity is stripped of to remove
Gas in fixed gas, obtain the object gas.
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