CN106809804B - A kind of natural gas reforming unit technique lime set recycling system and method - Google Patents
A kind of natural gas reforming unit technique lime set recycling system and method Download PDFInfo
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- CN106809804B CN106809804B CN201710061093.2A CN201710061093A CN106809804B CN 106809804 B CN106809804 B CN 106809804B CN 201710061093 A CN201710061093 A CN 201710061093A CN 106809804 B CN106809804 B CN 106809804B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1235—Hydrocarbons
- C01B2203/1241—Natural gas or methane
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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
- Y02P20/10—Process efficiency
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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
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The present invention provides a kind of natural gas reforming unit technique lime set recycling system and methods, conversion reactor connects reforming waste boiler, reforming waste boiler other end connection conversion gas heat recovery apparatus, it converts gas heat recovery apparatus one end and connects condensate pump, the condensate pump other end is saturated column overhead process condensate first entrance by the first piping connection, saturator tower bottom process condensate outlet connection reboiler heated inlet, reboiler process steam outlet connection saturator tower bottom process steam entrance, reboiler process condensate outlet connection tower bottom condensate pump, the tower bottom condensate pump other end connection saturation column overhead process condensate second entrance；It is saturated column overhead saturation process gas outlet connection conversion reactor.A kind of natural gas reforming unit technique lime set recycling system and method for the present invention, with while sufficiently recycling effective gas, purification and recycling technique lime set really realize green circulatory and the energy-saving and emission-reduction of whole device.
Description
Technical field
The invention belongs to a kind of technique lime set recycling fields, more particularly, to a kind of returning for natural gas conversion condensate liquid
It receives and utilizes.
Background technique
Natural gas conversion is the important composition unit of natural gas synthesis ammonia, natural gas hydrogen preparation and methanol from natural gas device,
It is as follows that natural gas converts key reaction equation: CH4+H2O=3H2+CO
Therefore, in the raw material of natural syngas conversion reactor in addition to methane, vapor is also necessary reaction raw materials, Er Qiewei
Improve the conversion ratio of methane, in traditional natural gas large chemical fertilizer technique, mole of vapor and methane in conversion reactor
Than reacting required steam vapour amount significantly larger than for 3:1, therefore a large amount of process condensate can be generated, conversion can not be condensed
Liquid is effectively recycled and is utilized, and often will cause the high energy consumption and high water consume of entire factory, advocates energy-saving and emission-reduction in country
Overall background under, the conversion process Combination Process for NGL Recovery for developing a kind of economic, energy conservation and environmental protection is significant.Currently used side
Formula is to be recycled using stripping type to process condensate, mass-and heat-transfer after being contacted with steam with process condensate, place
Process condensate after reason is re-used as boiler feedwater moisturizing and is recycled, which not can guarantee vapour there are many problems
Process condensate after mentioning can achieve the water quality requirement of boiler feedwater moisturizing, if containing the components such as heavy hydrocarbon, boiling point in natural gas
It is higher, process condensate can be followed to enter the feed water system of boiler, whole system is polluted.
Summary of the invention
In view of this, the present invention is directed to propose a kind of natural gas reforming unit technique lime set recycling system and method,
With while sufficiently recycling effective gas, purification and recycle technique lime set, really realize whole device green circulatory and
Energy-saving and emission-reduction.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of natural gas reforming unit technique lime set recycling system, including it is conversion reactor, reforming waste boiler, cold
Lime set pump, reboiler and saturator；
The cooling entrance of conversion reactor connection reforming waste boiler, reforming waste boiler coolant outlet connection conversion gas
Heat recovery apparatus, conversion gas heat recovery apparatus one end connection conversion gas downstream unit；The conversion gas heat recovery apparatus is another
One end connects condensate pump, and the condensate pump other end is saturated column overhead process condensate first by the first piping connection and enters
Mouthful, saturator tower bottom process condensate outlet connection reboiler heated inlet, reboiler process steam outlet connection saturator tower
Bottom technique steam inlet, reboiler process condensate outlet connection tower bottom condensate pump, the tower bottom condensate pump other end connect
Connect saturation column overhead process condensate second entrance；It is saturated column overhead saturation process gas outlet connection conversion reactor；It is described full
Preheating gas inlet is set with tower tower bottom.
Reforming waste boiler heating exit is connected with the cooling entrance of reboiler, reboiler coolant outlet and reforming waste boiler
Heated inlet is connected by the second pipeline.
Further, heat exchanger is set on first pipeline；Heat exchanger heated inlet and heat exchanger heating exit
It is separately connected the condensate pump and saturation column overhead process condensate first entrance.
Further, the heat exchanger and boiler feed pump are set on second pipeline；The cooling entrance of heat exchanger and
Heat exchanger coolant outlet is separately connected the reboiler coolant outlet and boiler feed pump, and the boiler feed pump other end connects
Connect the reforming waste boiler heated inlet.
Further, the reforming waste boiler heating exit is connected with conversion reactor.
Further, waste is arranged in the reboiler technique lime set side.
It is carried out the present invention also provides a kind of using a kind of natural gas reforming unit technique lime set recycling system
The method of recycling, comprising the following steps:
(1) the conversion gas from conversion reactor is cooled down by reforming waste boiler, and inverted gas is warm again for conversion gas
Recyclable device becomes two strands, one enters conversion gas downstream unit for conversion gas, and another stock is cooled to process condensate, through cold
Lime set pump pressurization, the process condensate after pressurization enter saturation column overhead；
(2) it from the process condensate of saturator tower bottom process condensate outlet discharge, is heated into reboiler, technique
Condensate liquid becomes two parts, and a part becomes process steam and enters saturator tower bottom process steam import, and a part is still technique
Condensate liquid enters saturation column overhead process condensate second entrance by tower bottom condensate pump；
(3) preheating natural gas enters saturator from preheating gas inlet；
(4) saturation process gas is discharged into conversion reactor from tower top.
Preferably, the by-product middle pressure steam a part generated from reforming waste boiler is discharged into conversion reactor, a part
Into reboiler.
Preferably, the process condensate after pressurization enters heat exchanger and is preheated.
Preferably, after condensate pump pressurizes, process condensate hydraulic coupling saturator tower pressure interior force.
Preferably, the temperature for the preheating natural gas of saturator being entered from preheating gas inlet is 250 DEG C -380 DEG C.
Compared with the existing technology, a kind of natural gas reforming unit technique lime set recycling system of the present invention and hair
It is bright to have the advantage that
Reboiler is arranged in saturator tower bottom, provides heat source for saturator, avoids technique lime set and steam from contacting bring dirty
Dye problem；
Reforming waste boiler heating exit is connected with conversion reactor import, can requiring supplementation with according to different conversion process
Steam needed for reaction；
The saturation process gas being discharged from tower top is sent directly into reforming unit as the raw material of conversion reaction, can sufficiently recycle
CO and H in process condensate2Etc. effective gas, product yield is improved.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 utilizes system schematic for a kind of natural gas reforming unit technique lime set described in the embodiment of the present invention.
Description of symbols:
1- conversion reactor；2- reforming waste boiler；3- condensate pump；4- reboiler；5- saturator；6- heat exchanger；
7- boiler feed pump；8- tower bottom condensate pump；The first pipeline of 9-；The second pipeline of 10-；11- converts gas heat recovery apparatus；12- turns
Change gas downstream unit；13- preheats natural gas；14- by-product middle pressure steam；21- reforming waste boiler cools down entrance；22- conversion is useless
Heat boiler coolant outlet；23- reforming waste boiler heated inlet；24- reforming waste boiler heating exit；The heating of 41- reboiler
Entrance；The outlet of 42- reboiler process steam；The outlet of 43- reboiler process condensate；44- reboiler cools down entrance；45- boils again
Device coolant outlet；46- waste；51- process condensate first entrance；The outlet of 52- process condensate；53- process steam enters
Mouthful；54- process condensate second entrance；The outlet of 55- saturation process gas；56- preheats gas inlet；61- heat exchanger is cooling
Entrance；62- heat exchanger coolant outlet；63- heat exchanger heated inlet；64- heat exchanger heating exit.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Such as Fig. 1, the present invention proposes a kind of natural gas reforming unit technique lime set recycling system, including conversion reactor
1, reforming waste boiler 2, condensate pump 3, reboiler 4 and saturator 5；
The conversion reactor 1 connects the cooling entrance 21 of reforming waste boiler, and reforming waste boiler coolant outlet 22 connects
Convert gas heat recovery apparatus 11,11 one end of conversion gas heat recovery apparatus connection conversion gas downstream unit 12, the conversion gas
11 other end of heat recovery apparatus connects condensate pump 3, and 3 other end of condensate pump connects 5 tower of saturator by the first pipeline 9
Push up process condensate first entrance 51,5 tower bottom process condensate of saturator outlet, 52 connection reboiler heated inlet 41, reboiler
42 connection 5 tower bottom process steam entrance 53 of saturator of process steam outlet, 43 connection tower bottom of reboiler process condensate outlet are cold
Lime set pump 8,8 other end of tower bottom condensate pump connects 5 tower top process condensate second entrance 54 of saturator；5 tower of saturator
Push up 55 connection conversion reactor 1 of saturation process gas outlet；5 tower bottom of saturator setting preheating gas inlet 56；
Reforming waste boiler heating exit 24 is connected with the cooling entrance 44 of reboiler, and reboiler coolant outlet 45 and conversion are useless
Heat boiler heated inlet 23 is connected by the second pipeline 10, the reforming waste boiler heating exit 24 and 1 phase of conversion reactor
Even.
Embodiment 1
Utilize a kind of method that natural gas reforming unit technique lime set recycling system is recycled as described above, packet
Include following steps:
(1) 1100 DEG C of conversion gas from conversion reactor 1 are cooled down by reforming waste boiler 2, are pressed and are steamed in by-product
Stripping temperature can be heated to 280 DEG C, and inverted 11 cooling heat transferring of gas heat recovery apparatus, a part convert gas to conversion gas after cooling again
Into conversion gas downstream unit 12, another part, which is cooled to 100 DEG C, becomes process condensate, and wherein each component molar percentage is
0.01%CO, 0.02%CO2, 0.02%H2, 0.04%CH4, it pressurizes through condensate pump 3, the process condensate after being forced into 30barg
Liquid enters 5 tower top of saturator；
(2) it from the process condensate of 5 tower bottom process condensate of saturator outlet, 52 discharge, is heated into reboiler 4,
Process condensate is divided into two parts, and the process steam that a part becomes enters 5 tower bottom process steam entrance 53 of saturator, a part
Still it is forced by tower bottom condensate pump 8 into 5 tower top process condensate second entrance 54 of saturator for process condensate；
(3) 380 DEG C of preheating natural gas enters saturator 5 from preheating gas inlet 56, and saturation process temperature degree is down to
270℃；
(4) conversion reactor 1 is discharged into from tower top for 270 DEG C of saturation process gas.
Embodiment 2
Utilize a kind of method that natural gas reforming unit technique lime set recycling system is recycled as described above, packet
Include following steps:
(1) 850 DEG C of conversion gas from conversion reactor 1 are cooled down by reforming waste boiler 2, by-product middle pressure steam
Temperature is increased to 226 DEG C, and inverted 11 cooling heat transferring of gas heat recovery apparatus, a part conversion gas enter conversion gas after cooling again
Gas downstream unit 12 is converted, another part, which is cooled to 100 DEG C, becomes process condensate, and wherein each component molar percentage is
0.01%CO, 0.02%CO2, 0.02%H2, 0.04%CH4, it pressurizes through condensate pump 3, the process condensate after being forced into 26barg
Liquid enters 5 tower top of saturator；
(2) it from the process condensate of 5 tower bottom process condensate of saturator outlet, 52 discharge, is heated into reboiler 4,
Process condensate is divided into two parts, and the process steam that a part becomes enters 5 tower bottom process steam entrance 53 of saturator, a part
Still it is forced by tower bottom condensate pump 8 into 5 tower top process condensate second entrance 54 of saturator for process condensate；
(3) 250 DEG C of preheating natural gas enters saturator 5 from preheating gas inlet 56, and saturation process temperature degree is down to
220℃；
(4) conversion reactor 1 is discharged into from tower top for 220 DEG C of saturation process gas.
Embodiment 3
Utilize a kind of method that natural gas reforming unit technique lime set recycling system is recycled as described above, packet
Include following steps:
(1) 1000 DEG C of conversion gas from conversion reactor 1 are cooled down by reforming waste boiler 2, are pressed and are steamed in by-product
Stripping temperature is increased to 250 DEG C, conversion gas after cooling inverted 11 cooling heat transferring of gas heat recovery apparatus again, a part conversion gas into
Enter to convert gas downstream unit 12, another part, which is cooled to 100 DEG C, becomes process condensate, and wherein each component molar percentage is
0.01%CO, 0.02%CO2, 0.02%H2, 0.04%CH4, it pressurizes through condensate pump 3, the process condensate after being forced into 29barg
Liquid enters 5 tower top of saturator；
(2) it from the process condensate of 5 tower bottom process condensate of saturator outlet, 52 discharge, is heated into reboiler 4,
Process condensate is divided into two parts, and the process steam that a part becomes enters 5 tower bottom process steam entrance 53 of saturator, a part
Still it is forced by tower bottom condensate pump 8 into 5 tower top process condensate second entrance 54 of saturator for process condensate；
(3) 320 DEG C of preheating natural gas enters saturator 5 from preheating gas inlet 56, and saturation process temperature degree is down to
250℃；
(4) conversion reactor 1 is discharged into from tower top for 250 DEG C of saturation process gas.
A kind of natural gas reforming unit technique lime set recycling system and method used in the examples, in purification and
While recycling technique lime set, effective gas is fully recycled, the green circulatory and energy conservation for being truly realized whole device subtract
Row.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of natural gas reforming unit technique lime set recycling system, it is characterised in that: including conversion reactor (1), turn
Change waste heat boiler (2), condensate pump (3), reboiler (4) and saturator (5)；
Conversion reactor (1) the connection reforming waste boiler is cooling entrance (21), and reforming waste boiler coolant outlet (22) is even
Switching through gas heat recovery apparatus (11), the conversion gas heat recovery apparatus (11) one end connection conversion gas downstream unit (12), institute
Conversion gas heat recovery apparatus (11) other end connection condensate pump (3) is stated, condensate pump (3) other end passes through the first pipeline
(9) saturator (5) tower top process condensate first entrance (51) is connected, saturator (5) tower bottom process condensate exports (52) even
It connecing reboiler heated inlet (41), reboiler process steam exports (42) and connects saturator (5) tower bottom process steam entrance (53),
Reboiler process condensate exports (43) connection tower bottom condensate pump (8), tower bottom condensate pump (8) other end connection saturation
Tower (5) tower top process condensate second entrance (54)；Saturator (5) tower top saturation process gas exports (55) and connects conversion reactor
(1)；Saturator (5) tower bottom setting preheating gas inlet (56)；
Reforming waste boiler heating exit (24) is connected with reboiler cooling entrance (44), reboiler coolant outlet (45) and conversion
Waste heat boiler heated inlet (23) is connected by the second pipeline (10).
2. a kind of natural gas reforming unit technique lime set recycling system according to claim 1, it is characterised in that: institute
State setting heat exchanger (6) on the first pipeline (9)；Heat exchanger heated inlet (63) and heat exchanger heating exit (64) are respectively
Connect the condensate pump (3) and saturator (5) tower top process condensate first entrance (51).
3. a kind of natural gas reforming unit technique lime set recycling system according to claim 2, it is characterised in that: institute
It states and the heat exchanger (6) and boiler feed pump (7) is set on the second pipeline (10)；Heat exchanger cooling entrance (61) and heat are handed over
Parallel operation coolant outlet (62) is separately connected the reboiler coolant outlet (45) and boiler feed pump (7), the boiler feed pump
(7) other end connects the reforming waste boiler heated inlet (23).
4. a kind of natural gas reforming unit technique lime set recycling system according to claim 1, it is characterised in that: institute
Reforming waste boiler heating exit (24) is stated to be connected with conversion reactor (1).
5. a kind of natural gas reforming unit technique lime set recycling system according to claim 1, it is characterised in that: institute
State reboiler (4) technique lime set side setting waste (46).
6. a kind of use a kind of natural gas reforming unit technique lime set recycling system as described in any one in claim 1-5
The method recycled, it is characterised in that: the following steps are included:
(1) the conversion gas from conversion reactor (1) is cooled down by reforming waste boiler (2), converts gas inverted gas again
Heat recovery apparatus (11) is cooled into two strands, one enters conversion gas downstream unit (12) for conversion gas；Another stock is cooled to work
Skill condensate liquid, pressurizes through condensate pump (3), and the process condensate after pressurization enters saturator (5) tower top；
(2) process condensate being discharged from saturator (5) tower bottom process condensate outlet (52), is added into reboiler (4)
Heat, process condensate are divided into two parts, and a part becomes process steam and enters saturator (5) tower bottom process steam entrance (53),
A part still enters saturation column overhead process condensate second entrance (54) by tower bottom condensate pump (8) for process condensate；
(3) preheating natural gas enters saturator (5) from preheating gas inlet (56)；
(4) saturation process gas is discharged into conversion reactor (1) from tower top.
7. the side according to claim 6 recycled using natural gas reforming unit technique lime set recycling system
Method, it is characterised in that: be discharged into conversion reactor (1) from the by-product middle pressure steam a part generated in reforming waste boiler (2), one
Part enters reboiler (4).
8. the side according to claim 7 recycled using natural gas reforming unit technique lime set recycling system
Method, it is characterised in that: the process condensate after pressurization enters heat exchanger (6) and heated.
9. the side according to claim 6 recycled using natural gas reforming unit technique lime set recycling system
Method, it is characterised in that: after condensate pump (3) pressurization, process condensate hydraulic coupling is greater than saturator (5) tower pressure interior force.
10. the side according to claim 6 recycled using natural gas reforming unit technique lime set recycling system
Method, it is characterised in that: the temperature for entering the preheating natural gas of saturator (5) from preheating gas inlet (56) is 250 DEG C -380
℃。
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|---|---|---|---|---|
| US8118895B1 (en) * | 2007-03-30 | 2012-02-21 | Bechtel Power Corporation | Method and apparatus for refueling existing natural gas combined cycle plant as a non-integrated gasification combined cycle plant |
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| CN104495965A (en) * | 2014-12-30 | 2015-04-08 | 中国天辰工程有限公司 | Process for treating low-temperature condensate at conversion section |
| CN104649226A (en) * | 2013-11-25 | 2015-05-27 | 七台河宝泰隆甲醇有限公司 | Oxygen feeding operation method at methanol conversion section |
-
2017
- 2017-01-25 CN CN201710061093.2A patent/CN106809804B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8118895B1 (en) * | 2007-03-30 | 2012-02-21 | Bechtel Power Corporation | Method and apparatus for refueling existing natural gas combined cycle plant as a non-integrated gasification combined cycle plant |
| CN102849680A (en) * | 2012-08-30 | 2013-01-02 | 苏州金宏气体股份有限公司 | Method for synthesis and purification of hydrogen from natural gas |
| CN104649226A (en) * | 2013-11-25 | 2015-05-27 | 七台河宝泰隆甲醇有限公司 | Oxygen feeding operation method at methanol conversion section |
| CN103910330A (en) * | 2014-03-26 | 2014-07-09 | 中石化宁波工程有限公司 | Process for preparing synthesis gas through catalytic partial oxidation of natural gas and carbon dioxide mixed gas |
| CN104495965A (en) * | 2014-12-30 | 2015-04-08 | 中国天辰工程有限公司 | Process for treating low-temperature condensate at conversion section |
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