CN106629599A - Hydrogen production system by natural gas reforming - Google Patents
Hydrogen production system by natural gas reforming Download PDFInfo
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- CN106629599A CN106629599A CN201510711828.2A CN201510711828A CN106629599A CN 106629599 A CN106629599 A CN 106629599A CN 201510711828 A CN201510711828 A CN 201510711828A CN 106629599 A CN106629599 A CN 106629599A
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Abstract
The invention relates to a hydrogen production system by natural gas reforming, comprising a hydrogenation reactor, a desulfurizing tank, a converter furnace, a high-temperature converter, and a variable pressure adsorbing device; an inlet of the hydrogenation reactor is communicated with a natural gas material pipeline, and an outlet of the variable pressure adsorbing device is provided with a finished hydrogen pipeline by natural gas reforming which is suitable for direct supply; the system also comprises an HYCO synthetic gas separation and purification device, an inlet of the HYCO synthetic gas separation and purification device is communicated with a HYCO synthetic gas material pipeline, an outlet of the HYCO synthetic gas separation and purification device is communicated respectively with a synthetic gas separation and purification finished hydrogen pipeline and a CO product pipeline, the finished hydrogen pipeline by natural gas reforming is provided with a hydrogenation pipeline communicated with the natural gas material pipeline, and the synthetic gas separation and purification finished hydrogen pipeline is provided with a hydrogen introduction pipeline communicated with the hydrogenation pipeline. Compared with the prior art, the system of the invention only requires one-off investment, is good in safety and reliability and is convenient to operate.
Description
Technical field
The present invention relates to a kind of system for preparing hydrogen, more particularly, to a kind of hydrogen making by natural gas reformation system.
Background technology
At present, hydrogen making by natural gas reformation device is industrialized in the world, and its technique also reaches its maturity.
The driving pattern of different hydrogen making by natural gas reformation devices is different, but various hydrogen making by natural gas reformation devices are main
Heated up gradually to reburner as fuel using natural gas, heated up with 50 DEG C per hour of temperature, progressivelyed reach
After the reaction temperature of natural gas and steam, then natural gas is introduced into hydrogen making by natural gas reformation device as raw material, it is raw
Output hydrogen.But natural gas is due to sulfur-bearing, therefore it was to need first to introduce hydrogen into be before raw natural gas are introduced
Unite and remove the sulphur in natural gas through catalyst action, if lacking desulfurization during hydrogen making by natural gas reformation
Link, then the sulphur in gas material can cause the damage of catalysts in hydrogen making by natural gas reformation device, and greatly
The service life of catalyst is reduced greatly.
Because before natural gas is introduced, hydrogen making by natural gas reformation device is natural to be incorporated into without hydrogen product
Gas reforming hydrogen production device entrance to the sulphur in natural gas being removed, therefore hydrogen making by natural gas reformation device must be first
The purpose of desulfurization is reached by extraneous hydrogen into system.
Relevant document also refer at present when hydrogen making by natural gas reformation device is driven, and introducing pure hydrogen needs to pass through
High-pressure cylinder gas group or pure hydrogen temporarily quoted by the groove tank car of pure hydrogen enter system, it is to be desulfurization after day
So gas raw material switch to again into after system output hydrogen the hydrogen of hydrogen making by natural gas reformation device itself output with
Gas material mixes, and which results in the rising of the cost of hydrogen making by natural gas reformation device driving, and to driving
It is likely to result in delay.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of gas renormalizing
Hydrogen generating system, the system directly quotes hydrogen in HYCO products for the removing of sulphur in natural gas, the system
One-time investment, it is safe and reliable.
Hydrogen making by natural gas reformation device primary raw material is natural gas, and by volume fraction, its component is 92% CH4、
4%C2H6, 3%C3H8, 1%C4H10, C less than 1%5H12, a small amount of S and N2.Hydrogen making by natural gas reformation
Key reaction mechanism is CH4+H2O=CO+3H2CO+H2O=CO2+H2.The system pressure of device for producing hydrogen is
22barg。
S components in removing natural gas, general to be carried out by the way of hydrogenation, its key reaction mechanism is
H2+ S=H2S H2S+CuO=H2O+CuS H2S+ZnO=H2O+ZnO。
HYCO synthesis gas separating purifying devices (such as ice chest) is HYCO synthesis gas separating purifying devices, its master
Product is wanted to be CO and H2, HYCO synthesis gas separating purifying devices act as：It is main that raw material is contained into 54% (body
Fraction, similarly hereinafter) CO and 45%H2And micro N2, CH4, the gas such as Ar, it is different by CO by boiling point
And H2Separate, the tail gas of generation then is put to torch burning.
Because HYCO synthesis gas separating purifying device can produce hydrogen, thus the hydrogen can be incorporated in it is natural
In gas reformation hydrogen production.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of hydrogen making by natural gas reformation system, including the hydrogenation reactor by pipeline sequential communication, digester, turns
Change stove, high temperature shift device and pressure-swing absorption apparatus, described hydrogenation reactor entrance is connected with gas material pipeline,
Described pressure-swing absorption apparatus outlet is the gas renormalizing hydrogen product pipeline that can directly supply, and the system also includes
HYCO synthesis gas separating purifying devices, the HYCO synthesis gas separating purifying device entrances and HYCO synthesis gas
Feed line is connected, and outlet is connected respectively with synthesis gas isolation of purified hydrogen product pipeline with CO product pipelines, institute
The gas renormalizing hydrogen product pipeline stated is provided with connect with gas material pipeline plus hydrogen pipeline, described conjunction
Into gas isolation of purified hydrogen product pipeline be provided with plus hydrogen pipeline connect draw hydrogen pipeline.
Described digester includes a digester and No. two digesters of series connection.
Described synthesis gas isolation of purified hydrogen product pipeline is provided with synthesis gas isolation of purified hydrogen product flowmeter
With synthesis gas isolation of purified hydrogen product check valve, according to hydrogen product in synthesis gas isolation of purified hydrogen product pipeline
Flow direction, described synthesis gas isolation of purified hydrogen product check valve is located at synthesis gas isolation of purified hydrogen product stream
The rear of gauge.
According to hydrogen product flow direction in synthesis gas isolation of purified hydrogen product pipeline, described draws hydrogen pipeline and closes
The front of synthesis gas isolation of purified hydrogen product flowmeter is located at into gas isolation of purified hydrogen product pipeline junction.
Described hydrogen pipeline of drawing is provided with front stop valve and rear stop valve, is provided between front stop valve and rear stop valve
Blind plate.
Described gas renormalizing hydrogen product pipeline is provided with gas renormalizing hydrogen product flowmeter and natural gas
Reformer hydrogen product check valve, it is described according to hydrogen product flow direction in gas renormalizing hydrogen product pipeline
Gas renormalizing hydrogen product check valve is located at gas renormalizing hydrogen product flowmeter rear.
According to hydrogen product flow direction in gas renormalizing hydrogen product pipeline, described adds hydrogen pipeline and natural gas
Reformer hydrogen product pipeline junction is arranged on gas renormalizing hydrogen product flowmeter front.
Described plus hydrogen pipeline is provided with hand valve.
By plus hydrogen pipeline in hydrogen flow direction, it is described draw hydrogen pipeline with plus the junction of hydrogen pipeline be located at hand valve
Rear.
The using method of present system is：
First, before hydrogen making by natural gas reformation device starts, HYCO synthesis gas separating purifying device is normally given birth to
Hydrogen producing, and load is certain, and the H of client can be kept2Stablizing for product pressure, while adjusting yield, fits
When increase 500NM3The H of/H2Yield.
Treat that furnace temperature is converted in hydrogen making by natural gas reformation system reaches 760 DEG C, and system pressure is when being 8barg, this
When possess draw reduction H2Condition, now close plus hydrogen pipeline be provided with hand valve, by front stop valve and rear cut-off
Blind plate between valve is turned over to lead to plate, stop valve after first opening, then stop valve before slowly opening, now due to synthesis gas
The pressure of isolation of purified hydrogen product pipeline is 21barg, and hydrogen making by natural gas reformation reburner system pressure is slowly up
Raise.
Conversion furnace pressure up to hydrogen making by natural gas reformation system reaches 21barg, then stop valve before standard-sized sheet, and leads to
Cross gas material pipeline and introduce natural gas, reburner continues refuelling and heats up, until thick H2Through pressure-variable adsorption
Device is converted into H2Product, then open the hand valve added in hydrogen pipeline gradually, and front stop valve is closed with rear stop valve
Close, blind plate turned over as blind plate state, now desulfurization using the hydrogen in gas renormalizing hydrogen product pipeline, and not
Reuse the hydrogen in synthesis gas isolation of purified hydrogen product pipeline.
Hydrogen i.e. in present system by the use of the generation of HYCO synthesis gas separating purifying device is used as gas renormalizing
Hydrogen generating system does not produce the gas material desulfurization reducing agent before hydrogen, treats that hydrogen making by natural gas reformation system stability is produced
After raw hydrogen, a part of hydrogen backflow carries out the desulfurization of gas material.
Compared with prior art, the present invention has advantages below and beneficial effect：
1st, the present invention be provided with synthesis gas isolation of purified hydrogen product pipeline with plus hydrogen pipeline connect draw hydrogen pipe
Line, by arranging hydrogen pipeline is drawn, and the hydrogen that can be produced HYCO synthesis gas separating purifying device is used for natural
The gas material desulfurization of gas reformation hydrogen production, the present invention is arranged and draws hydrogen pipeline disposably to invest, and is reduced long-term
Need to purchase H2The expense of steel cylinder and groove tank car.
2nd, it is safe and reliable：Because the hydrogen pipeline of drawing newly established is provided with front stop valve, rear stop valve and blind plate, therefore
Impact will not be produced on the pressure of synthesis gas separating purifying device.If in addition using H2Steel cylinder gas and groove tank car
Words, joint will necessarily be used, such as connect it is bad can reveal, be susceptible to the danger such as Fire explosion.
3rd, fairness：It is mounted in front of gas renormalizing hydrogen product flowmeter due to drawing hydrogen pipeline, and day
So what gas reformer hydrogen product stream gauge was measured is the hydrogen usage that client directly uses, therefore this set is to client
Clearing do not produce impact, and if hydrogen pipeline will be drawn after gas renormalizing hydrogen product flowmeter, then
This hydrogen partial will be settled accounts with client.
4th, it is easy to operate：Be mounted with hydrogen pipeline front stop valve and rear stop valve due to drawing, and centre is provided with blind
Plate, therefore can quickly operate, reduce unnecessary manpower to system operation.
5th, add hydrogen pipeline to be provided with hand valve, by hydrogen flow direction in hydrogen pipeline is added, draw hydrogen pipeline and add hydrogen pipeline
Junction be located at the rear of hand valve, therefore, when with drawing that hydrogen is as desulfurization reducing agent in hydrogen pipeline, Ke Yiguan
Hand valve is closed, and is worked as natural gas hydrogen production system employing reforming technology and is stably produced after hydrogen, hand valve can be opened, hydrogen pipeline is drawn in closing,
So that a part of hydrogen backflow that hydrogen making by natural gas reformation system is produced carries out the desulfurization of gas material.
Description of the drawings
Fig. 1 is hydrogen making by natural gas reformation system structure diagram of the present invention.
Label in figure：1 be hydrogenation reactor, 2 be digester, 3 be No. two digesters, 4 be reburner,
5 is high temperature shift device, 6 is pressure-swing absorption apparatus, 7 is gas material pipeline, 8 is gas renormalizing hydrogen product
QC line, 9 be HYCO raw material of synthetic gas pipelines, 10 be HYCO synthesis gas separating purifying devices, 11 for close
Into gas isolation of purified hydrogen product pipeline, 12 be CO product pipelines, 13 for plus hydrogen pipeline, 14 for draw hydrogen pipeline,
15 be synthesis gas isolation of purified hydrogen product flowmeter, 16 be synthesis gas isolation of purified hydrogen product check valve, 17
For front stop valve, 18 be rear stop valve, 19 be blind plate, 20 be gas renormalizing hydrogen product flowmeter, 21
It is hand valve for gas renormalizing hydrogen product check valve, 22.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in detail with specific embodiment.
Embodiment
A kind of hydrogen making by natural gas reformation system, as shown in figure 1, including the hydrogenation reactor by pipeline sequential communication
1st, 2, No. two digesters 3, reburner 4, high temperature shift device 5 and pressure-swing absorption apparatus 6 of a digester, plus
The entrance of hydrogen reactor 1 is connected with gas material pipeline 7, and the outlet of pressure-swing absorption apparatus 6 is the day that can directly supply
Right gas reformer hydrogen product pipeline 8, the system also includes HYCO synthesis gas separating purifying device 10, the HYCO
The entrance of synthesis gas separating purifying device 10 is connected with HYCO raw material of synthetic gas pipeline 9, outlet respectively with synthesis gas
Isolation of purified hydrogen product pipeline 11 is connected with CO product pipelines 12, on gas renormalizing hydrogen product pipeline 8
Connect with gas material pipeline 7 plus hydrogen pipeline 13 is provided with, on synthesis gas isolation of purified hydrogen product pipeline 11
Be provided with plus hydrogen pipeline 13 connect draw hydrogen pipeline 14.
Synthesis gas isolation of purified hydrogen product pipeline 11 is provided with synthesis gas isolation of purified hydrogen product flowmeter 15
With synthesis gas isolation of purified hydrogen product check valve 16, according to hydrogen in synthesis gas isolation of purified hydrogen product pipeline 11
Gas product flow direction, synthesis gas isolation of purified hydrogen product check valve 16 is located at synthesis gas isolation of purified hydrogen product
The rear of product flowmeter 15.According to hydrogen product flow direction in synthesis gas isolation of purified hydrogen product pipeline 11,
Draw hydrogen pipeline 14 and be located at synthesis gas isolation of purified hydrogen product with the junction of synthesis gas isolation of purified hydrogen product pipeline 11
The front of product flowmeter 15.
Draw hydrogen pipeline 14 and be provided with front stop valve 17 and rear stop valve 18, in front stop valve 17 and rear stop valve 18
Between be provided with blind plate 19.Gas renormalizing hydrogen product pipeline 8 is provided with gas renormalizing hydrogen product flowmeter
20 with gas renormalizing hydrogen product check valve 21, according to hydrogen product in gas renormalizing hydrogen product pipeline 8
Flow direction, gas renormalizing hydrogen product check valve 21 is located at the rear of gas renormalizing hydrogen product flowmeter 20.
According to hydrogen product flow direction in gas renormalizing hydrogen product pipeline 8, plus hydrogen pipeline 13 and gas renormalizing
The junction of hydrogen product pipeline 8 is arranged on the front of gas renormalizing hydrogen product flowmeter 20.
Plus hydrogen pipeline 13 is provided with hand valve 22.By plus hydrogen pipeline 13 in hydrogen flow direction, draw hydrogen pipeline 14 with
Plus the junction of hydrogen pipeline 13 is located at the rear of hand valve 22.
The using method of the system is：
First, before hydrogen making by natural gas reformation device starts, HYCO synthesis gas separating purifying device is normally given birth to
Hydrogen producing, and load is certain, and the H of client can be kept2Stablizing for product pressure, while adjusting yield, fits
When increase 500NM3The H of/H2Yield.
Treat that furnace temperature is converted in hydrogen making by natural gas reformation system reaches 760 DEG C, and system pressure is when being 8barg, this
When possess draw reduction H2Condition, now close plus hydrogen pipeline be provided with hand valve, by front stop valve and rear cut-off
Blind plate between valve is turned over to lead to plate, stop valve after first opening, then stop valve before slowly opening, now due to synthesis gas
The pressure of isolation of purified hydrogen product pipeline is 21barg, and hydrogen making by natural gas reformation reburner system pressure is slowly up
Raise.
Conversion furnace pressure up to hydrogen making by natural gas reformation system reaches 21barg, then stop valve before standard-sized sheet, and leads to
Cross gas material pipeline and introduce natural gas, reburner continues refuelling and heats up, until thick H2Through pressure-variable adsorption
Device is converted into H2Product, then open the hand valve added in hydrogen pipeline gradually, and front stop valve is closed with rear stop valve
Close, blind plate turned over as blind plate state, now desulfurization using the hydrogen in gas renormalizing hydrogen product pipeline, and not
Reuse the hydrogen in synthesis gas isolation of purified hydrogen product pipeline.
Hydrogen i.e. in the system by the use of the generation of HYCO synthesis gas separating purifying device is used as hydrogen making by natural gas reformation
System does not produce the gas material desulfurization reducing agent before hydrogen, treats that hydrogen making by natural gas reformation system stability produces hydrogen
After gas, a part of hydrogen backflow carries out the desulfurization of gas material.
The above-mentioned description to embodiment is to be understood that and use to send out for ease of those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and here
The General Principle of explanation is applied in other embodiment without through performing creative labour.Therefore, the present invention is not limited
In above-described embodiment, those skilled in the art's announcement of the invention, without departing from changing that scope is made
Entering and change all should be within protection scope of the present invention.
Claims (9)
1. a kind of hydrogen making by natural gas reformation system, including the hydrogenation reactor (1) by pipeline sequential communication, takes off
Sulphur tank, reburner (4), high temperature shift device (5) and pressure-swing absorption apparatus (6), described hydrogenation reactor (1)
Entrance is connected with gas material pipeline (7), and described pressure-swing absorption apparatus (6) outlet can be supplied directly
Gas renormalizing hydrogen product pipeline (8), it is characterised in that it is net that the system also includes that HYCO synthesis gas is separated
(10) are put in makeup, HYCO synthesis gas separating purifying devices (10) entrance and HYCO raw material of synthetic gas pipes
Line (9) is connected, outlet respectively with synthesis gas isolation of purified hydrogen product pipeline (11) and CO product pipelines (12)
Connection, described gas renormalizing hydrogen product pipeline (8) is provided with what is connected with gas material pipeline (7)
Plus hydrogen pipeline (13), described synthesis gas isolation of purified hydrogen product pipeline (11) be provided with and add hydrogen pipeline (13)
What is connected draws hydrogen pipeline (14).
2. a kind of hydrogen making by natural gas reformation system according to claim 1, it is characterised in that described is de-
Sulphur tank includes a digester (2) and No. two digesters (3) of series connection.
3. a kind of hydrogen making by natural gas reformation system according to claim 1, it is characterised in that described conjunction
Into gas isolation of purified hydrogen product pipeline (11) be provided with synthesis gas isolation of purified hydrogen product flowmeter (15) with
Synthesis gas isolation of purified hydrogen product check valve (16), according to synthesis gas isolation of purified hydrogen product pipeline (11)
Interior hydrogen product flow direction, described synthesis gas isolation of purified hydrogen product check valve (16) is located at synthesis gas point
From the rear of purified hydrogen product stream gauge (15).
4. a kind of hydrogen making by natural gas reformation system according to claim 3, it is characterised in that according to synthesis
The interior hydrogen product flow direction of gas isolation of purified hydrogen product pipeline (11), described draws hydrogen pipeline (14) and closes
Synthesis gas isolation of purified hydrogen product flowmeter (15) is located at into gas isolation of purified hydrogen product pipeline (11) junction
Front.
5. a kind of hydrogen making by natural gas reformation system according to claim 1, it is characterised in that described draws
Hydrogen pipeline (14) is provided with front stop valve (17) and rear stop valve (18), front stop valve (17) with rear section
Blind plate (19) is only provided between valve (18).
6. a kind of hydrogen making by natural gas reformation system according to claim 1, it is characterised in that described day
So gas reformer hydrogen product pipeline (8) is provided with gas renormalizing hydrogen product flowmeter (20) and natural gas weight
Whole hydrogen product check valve (21), according to the interior hydrogen product flow direction of gas renormalizing hydrogen product pipeline (8),
Described gas renormalizing hydrogen product check valve (21) is located at after gas renormalizing hydrogen product flowmeter (20)
Side.
7. a kind of hydrogen making by natural gas reformation system according to claim 6, it is characterised in that according to natural
The interior hydrogen product flow direction of gas reformer hydrogen product pipeline (8), described adds hydrogen pipeline (13) and natural gas
Reformer hydrogen product pipeline (8) junction is arranged on gas renormalizing hydrogen product flowmeter (20) front.
8. a kind of hydrogen making by natural gas reformation system according to claim 1, it is characterised in that it is described plus
Hydrogen pipeline (13) is provided with hand valve (22).
9. a kind of hydrogen making by natural gas reformation system according to claim 8, it is characterised in that by hydrogenation pipe
The interior hydrogen flow direction of line (13), it is described draw hydrogen pipeline (14) with plus the junction of hydrogen pipeline (13) be located at
The rear of hand valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510711828.2A CN106629599A (en) | 2015-10-28 | 2015-10-28 | Hydrogen production system by natural gas reforming |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711828.2A CN106629599A (en) | 2015-10-28 | 2015-10-28 | Hydrogen production system by natural gas reforming |
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Family
ID=58815906
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| CN201510711828.2A Pending CN106629599A (en) | 2015-10-28 | 2015-10-28 | Hydrogen production system by natural gas reforming |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131896A (en) * | 2017-12-28 | 2018-06-08 | 上海华林工业气体有限公司 | The system and method that HYCO ice chest Double liquid state CO tanks switch hydrops and outer supplied gas |
| CN108751131A (en) * | 2018-06-19 | 2018-11-06 | 张家港氢云新能源研究院有限公司 | The detection of failure and processing method in hydrogen making by natural gas reformation system |
| CN109467050A (en) * | 2018-12-29 | 2019-03-15 | 上海华林工业气体有限公司 | A kind of System and method for that HYCO hydrogen making by natural gas reformation is enhanced production capacities |
| CN109764639A (en) * | 2018-12-29 | 2019-05-17 | 上海华林工业气体有限公司 | A kind of HYCO ice chest reduces the System and method for of emptying |
| CN112813454A (en) * | 2021-03-03 | 2021-05-18 | 中海石油气电集团有限责任公司 | Natural gas reforming and carbon dioxide combined hydrogen production power generation system and method |
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| CN104803352A (en) * | 2014-01-27 | 2015-07-29 | 上海华林工业气体有限公司 | Method for improving efficiency of production of hydrogen through steam reformation |
| CN205151762U (en) * | 2015-10-28 | 2016-04-13 | 上海华林工业气体有限公司 | Natural gas reformation hydrogen production system |
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| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131896A (en) * | 2017-12-28 | 2018-06-08 | 上海华林工业气体有限公司 | The system and method that HYCO ice chest Double liquid state CO tanks switch hydrops and outer supplied gas |
| CN108751131A (en) * | 2018-06-19 | 2018-11-06 | 张家港氢云新能源研究院有限公司 | The detection of failure and processing method in hydrogen making by natural gas reformation system |
| CN108751131B (en) * | 2018-06-19 | 2022-04-22 | 张家港氢云新能源研究院有限公司 | Method for detecting and processing faults in natural gas reforming hydrogen production system |
| CN109467050A (en) * | 2018-12-29 | 2019-03-15 | 上海华林工业气体有限公司 | A kind of System and method for that HYCO hydrogen making by natural gas reformation is enhanced production capacities |
| CN109764639A (en) * | 2018-12-29 | 2019-05-17 | 上海华林工业气体有限公司 | A kind of HYCO ice chest reduces the System and method for of emptying |
| CN112813454A (en) * | 2021-03-03 | 2021-05-18 | 中海石油气电集团有限责任公司 | Natural gas reforming and carbon dioxide combined hydrogen production power generation system and method |
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Application publication date: 20170510 |