CN209567806U - The system that SMR device reduces carbon distribution using steam preheating synthesis gas - Google Patents
The system that SMR device reduces carbon distribution using steam preheating synthesis gas Download PDFInfo
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- CN209567806U CN209567806U CN201822250563.2U CN201822250563U CN209567806U CN 209567806 U CN209567806 U CN 209567806U CN 201822250563 U CN201822250563 U CN 201822250563U CN 209567806 U CN209567806 U CN 209567806U
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- synthesis gas
- high temperature
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- temperature shift
- carbon distribution
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Abstract
The utility model relates to the systems that a kind of SMR device reduces carbon distribution using steam preheating synthesis gas, including high temperature shift reactor, synthesize air preheater, low-pressure steam pipeline, high pressure steam line, synthesis gas pipeline, lime set recovery line, the synthesis air preheater contains two heat exchanger channels, the entrance of first heat exchanger channels is connected with low-pressure steam pipeline, the outlet of first heat exchanger channels is connected with lime set recovery line, the entrance of Article 2 heat exchanger channels is connected with synthesis gas pipeline, the outlet of Article 2 heat exchanger channels is connected with synthesis gas preheating rear line, the synthesis gas preheating rear line and high pressure steam line enter high temperature shift reactor after crossing.Compared with prior art, the utility model enters high temperature shift reactor after still further introducing high steam mixing to synthesis gas pipeline, inhibits the generation of carbon distribution reaction using low-pressure steam first by synthesis gas steam preheating to 100~200 DEG C.
Description
Technical field
The utility model relates to SMR devices, reduce carbon distribution using steam preheating synthesis gas more particularly, to a kind of SMR device
System.
Background technique
SMR device is the device using natural gas and steam reforming reaction hydrogen manufacturing, and reaction equation is as follows:
CnHm+n H2O→n CO+(n+m/2)H2
CO+H2O→CO2+H2
At 550~650 DEG C, outlet temperature is controlled at 800~900 DEG C the control of reburner inlet temperature.
Under this high temperature, the hydrocarbon in most of charging is changed into CO, for device for producing hydrogen, needs to pass through CO
High temperature shift hydrogen making.Reaction equation is as follows:
CO+H2O→CO2+H2
At 300~350 DEG C, outlet temperature is controlled at 400~500 DEG C the control of high temperature shift reactor inlet temperature.
It, can be in high temperature shift reactor import increase synthesis gas all the way for more hydrogen makings in HYCO factory
Admission line utilizes the more hydrogen makings of high temperature shift reactor.Synthesis gas enters high temperature shift reactor and is preheated, and leads to
It is often to be preheated using SMR waste heat recovery stage, synthesis gas heater outlet temperature is controlled at 250~300 DEG C.And the mistake preheated
Carbon distribution reaction often occurs for journey, and reaction equation is as follows:
2CO→C+CO2
Carbon dust can adhere on high temperature shift reactor catalyst, and influence catalyst activity.
Utility model content
The purpose of this utility model is exactly to provide a kind of SMR device benefit to overcome the problems of the above-mentioned prior art
The system for reducing carbon distribution with steam preheating synthesis gas.
The utility model utilizes low-pressure steam first by synthesis gas steam preheating to 100~200 DEG C, still further to synthesis gas
Pipeline enters high temperature shift reactor after introducing high steam mixing, inhibits the generation of carbon distribution reaction.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of system that SMR device reduces carbon distribution using steam preheating synthesis gas, including high temperature shift reactor, synthesis gas
Preheater, low-pressure steam pipeline, high pressure steam line, synthesis gas pipeline, lime set recovery line,
The synthesis air preheater contains two heat exchanger channels, entrance and the low-pressure steam pipeline phase of first heat exchanger channels
Even, the outlet of first heat exchanger channels is connected with lime set recovery line, entrance and the synthesis gas pipeline phase of Article 2 heat exchanger channels
Even, the outlet of Article 2 heat exchanger channels is connected with synthesis gas preheating rear line, the synthesis gas preheating rear line and high steam
Pipeline enters high temperature shift reactor after crossing.
The high temperature shift reactor includes the entrance of upper end and the outlet of lower end, and the synthesis gas preheats rear line and height
Pressure steam pipe line enters the entrance of high temperature shift reactor after crossing.
The outlet of the high temperature shift reactor is connected with gas pipeline is reacted, and the reaction gas pipeline is used for high temperature shift
Product exports after reaction.
The import of the high temperature shift reactor is also connected with reaction gas reflux pipeline, and the reaction gas reflux pipeline is used for
By product reflux after part high temperature shift reaction to high temperature shift reactor.
The low-pressure steam pipeline is equipped with hand valve, regulating valve and flowmeter.
The high pressure steam line is equipped with hand valve, regulating valve and flowmeter.
The synthesis gas pipeline is equipped with regulating valve and flowmeter.
The lime set recovery line is equipped with hand valve.
The synthesis gas preheating rear line is equipped with thermocouple.
The high temperature shift reactor inlet is equipped with thermocouple.
Synthesis air preheater is carried out first to be preheated to predetermined temperature, synthesis air preheater preheating by low-pressure steam pipeline
To 100~200 DEG C.High pressure steam line carries out being preheated to predetermined temperature, that is, uses temperature.
The regulating valve on synthesis gas pipeline, synthesis gas pipeline and low-pressure steam pipeline is opened to carry out by synthesis air preheater
Heat exchange is discharged by lime set recovery line after low-pressure steam cooling, after synthesis gas is warming up to preheating temperature, is preheated by synthesis gas
Rear line enters high temperature shift reactor after crossing with high pressure steam line and is reacted.
In the above process, the opening and closing that pipeline is realized by hand valve is realized the adjusting of uninterrupted by regulating valve, passed through
Flowmeter monitors uninterrupted, passes through thermocouple monitoring temperature.
The utility model utilizes low-pressure steam first by synthesis gas steam preheating to 100~200 DEG C, still further to synthesis gas
Pipeline enters high temperature shift reactor after introducing high steam mixing, inhibits the generation of carbon distribution reaction.
Compared with prior art, the utility model has the advantage that
1, synthesis gas is first preheated, but not up to or process carbon distribution reaction temperature.
2, after synthesis gas is mixed with a certain proportion of high steam, reach reaction temperature and inhibit the generation of carbon distribution reaction.
Detailed description of the invention
Fig. 1 is the system structure diagram that SMR device reduces carbon distribution using steam preheating synthesis gas.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
A kind of system that SMR device reduces carbon distribution using steam preheating synthesis gas, as shown in Figure 1, including that high temperature shift is anti-
Answer device R01, synthesis air preheater E01, low-pressure steam pipeline 11, high pressure steam line 12, synthesis gas pipeline 13, lime set recovery tube
Line 14, synthesis air preheater E01 contain two heat exchanger channels, entrance and 11 phase of low-pressure steam pipeline of first heat exchanger channels
Even, the outlet of first heat exchanger channels is connected with lime set recovery line 14, the entrance and synthesis gas pipeline of Article 2 heat exchanger channels
13 are connected, and the outlet of Article 2 heat exchanger channels is connected with synthesis gas preheating rear line 15, and synthesis gas preheats rear line 15 and high pressure
Steam pipe line 12 enters high temperature shift reactor R01 after crossing.
High temperature shift reactor R01 includes the entrance of upper end and the outlet of lower end, and synthesis gas preheats rear line 15 and high pressure
Steam pipe line 12 enters the entrance of high temperature shift reactor R01 after crossing.The outlet of high temperature shift reactor R01 with react tracheae
Line 16 is connected, and reaction gas pipeline 16 is exported for product after reacting high temperature shift.The import of high temperature shift reactor R01 also with
Reaction gas reflux pipeline 17 is connected, and reaction gas reflux pipeline 17 is used to become product reflux to high temperature after part high temperature shift reaction
Change reactor R01.
Low-pressure steam pipeline 11 is equipped with hand valve 1, regulating valve 2 and flowmeter 3.High pressure steam line 12 be equipped with hand valve 1,
Regulating valve 2 and flowmeter 3.Synthesis gas pipeline 13 is equipped with regulating valve 2 and flowmeter 3.Lime set recovery line 14 is equipped with hand valve
1.Synthesis gas preheats rear line 15 and is equipped with thermocouple 4.The inlet high temperature shift reactor R01 is equipped with thermocouple 4.
Synthesis air preheater E01 is carried out first to be preheated to predetermined temperature, synthesis gas preheating by low-pressure steam pipeline 11
Device E01 is preheated to 100~200 DEG C.High pressure steam line 12 carries out being preheated to predetermined temperature, that is, uses temperature.
The regulating valve on synthesis gas pipeline 13, synthesis gas pipeline 13 and low-pressure steam pipeline 11 is opened to preheat by synthesis gas
Device E01 exchanges heat, and is discharged after low-pressure steam cooling by lime set recovery line 14, after synthesis gas is warming up to preheating temperature, leads to
It crosses after synthesis gas preheating rear line 15 crosses with high pressure steam line 12 and is reacted into high temperature shift reactor R01.
In the above process, the opening and closing that pipeline is realized by hand valve is realized the adjusting of uninterrupted by regulating valve, passed through
Flowmeter monitors uninterrupted, passes through thermocouple monitoring temperature.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (10)
1. the system that a kind of SMR device reduces carbon distribution using steam preheating synthesis gas, which is characterized in that reacted including high temperature shift
Device (R01), low-pressure steam pipeline (11), high pressure steam line (12), synthesis gas pipeline (13), coagulates at synthesis air preheater (E01)
Liquid recovery line (14),
The synthesis air preheater (E01) contains two heat exchanger channels, the entrance and low-pressure steam pipeline of first heat exchanger channels
(11) it is connected, the outlet of first heat exchanger channels is connected with lime set recovery line (14), the entrance of Article 2 heat exchanger channels and conjunction
It is connected at gas pipeline (13), the outlet of Article 2 heat exchanger channels is connected with synthesis gas preheating rear line (15), and the synthesis gas is pre-
Hot rear line (15) and high pressure steam line (12) enter high temperature shift reactor (R01) after crossing.
2. the system that a kind of SMR device according to claim 1 reduces carbon distribution using steam preheating synthesis gas, feature exist
In the high temperature shift reactor (R01) includes the entrance of upper end and the outlet of lower end, and the synthesis gas preheats rear line (15)
Enter the entrance of high temperature shift reactor (R01) after crossing with high pressure steam line (12).
3. the system that a kind of SMR device according to claim 2 reduces carbon distribution using steam preheating synthesis gas, feature exist
In the outlet of the high temperature shift reactor (R01) is connected with gas pipeline (16) are reacted, and the reaction gas pipeline (16) is used for will
Product exports after high temperature shift reaction.
4. the system that a kind of SMR device according to claim 3 reduces carbon distribution using steam preheating synthesis gas, feature exist
In the import of the high temperature shift reactor (R01) is also connected with reaction gas reflux pipeline (17), the reaction gas reflux pipeline
(17) for product reflux after reacting part high temperature shift to high temperature shift reactor (R01).
5. the system that a kind of SMR device according to claim 1 reduces carbon distribution using steam preheating synthesis gas, feature exist
Hand valve (1), regulating valve (2) and flowmeter (3) are equipped in, the low-pressure steam pipeline (11).
6. the system that a kind of SMR device according to claim 1 reduces carbon distribution using steam preheating synthesis gas, feature exist
Hand valve (1), regulating valve (2) and flowmeter (3) are equipped in, the high pressure steam line (12).
7. the system that a kind of SMR device according to claim 1 reduces carbon distribution using steam preheating synthesis gas, feature exist
In the synthesis gas pipeline (13) is equipped with regulating valve (2) and flowmeter (3).
8. the system that a kind of SMR device according to claim 1 reduces carbon distribution using steam preheating synthesis gas, feature exist
In the lime set recovery line (14) is equipped with hand valve (1).
9. the system that a kind of SMR device according to claim 1 reduces carbon distribution using steam preheating synthesis gas, feature exist
In synthesis gas preheating rear line (15) is equipped with thermocouple (4).
10. the system that a kind of SMR device according to claim 2 reduces carbon distribution using steam preheating synthesis gas, feature
It is, the high temperature shift reactor inlet (R01) is equipped with thermocouple (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250563.2U CN209567806U (en) | 2018-12-29 | 2018-12-29 | The system that SMR device reduces carbon distribution using steam preheating synthesis gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250563.2U CN209567806U (en) | 2018-12-29 | 2018-12-29 | The system that SMR device reduces carbon distribution using steam preheating synthesis gas |
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| Publication Number | Publication Date |
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| CN209567806U true CN209567806U (en) | 2019-11-01 |
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| CN201822250563.2U Expired - Fee Related CN209567806U (en) | 2018-12-29 | 2018-12-29 | The system that SMR device reduces carbon distribution using steam preheating synthesis gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399565A (en) * | 2018-12-29 | 2019-03-01 | 上海华林工业气体有限公司 | A kind of system that SMR device reduces carbon distribution using steam preheating synthesis gas |
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2018
- 2018-12-29 CN CN201822250563.2U patent/CN209567806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399565A (en) * | 2018-12-29 | 2019-03-01 | 上海华林工业气体有限公司 | A kind of system that SMR device reduces carbon distribution using steam preheating synthesis gas |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |