CN216367897U - Natural gas hydrogen production converter adopting central temperature measuring tube - Google Patents
Natural gas hydrogen production converter adopting central temperature measuring tube Download PDFInfo
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- CN216367897U CN216367897U CN202122943501.1U CN202122943501U CN216367897U CN 216367897 U CN216367897 U CN 216367897U CN 202122943501 U CN202122943501 U CN 202122943501U CN 216367897 U CN216367897 U CN 216367897U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model provides a natural gas hydrogen production converter adopting a central temperature measuring tube, which comprises: a reformer body; the reforming furnace comprises a reforming furnace body, a reforming pipe and a catalyst, wherein the reforming furnace body is internally provided with a reforming pipe, and the reforming pipe is circumferentially arranged at the center of the reforming furnace body and is internally filled with the catalyst; the mixed gas inlet assembly is arranged at the top of the converter body and is communicated with the conversion pipe; the conversion gas pipe is arranged in the conversion pipe; the reforming gas outlet assembly is arranged at the top of the reforming furnace body and is communicated with the reforming gas pipe; the temperature measuring tube is arranged in the reforming trachea. The arrangement of the temperature measuring pipe can ensure that the conversion reaction of the whole converter can be effectively carried out, the conversion efficiency is improved, the hydrogen output is improved, the occupied space of a field can be effectively saved, the construction time of the field is saved, the converter can be flexibly carried, the requirement on the field is not high, and the converter is particularly suitable for occasions with small hydrogen use amount and tense field.
Description
Technical Field
The utility model relates to the technical field of hydrogen production from natural gas, in particular to a natural gas hydrogen production converter adopting a central temperature measuring tube.
Background
On the premise that the state vigorously develops hydrogen energy, the hydrogen production by natural gas conversion has a very wide application market as a traditional hydrogen production technology, the hydrogen production by natural gas converter is used as a core device in the hydrogen production by natural gas conversion and plays an important role in the whole device, and the traditional hydrogen production by natural gas converter generally adopts a top-burning square box furnace type and can be divided into a single-tube type, a hot-bottom tube bank type and a cold-bottom tube bank type according to the form of a conversion tube system.
A reforming furnace in the prior art adopts a vertical square box structure, raw material gas enters an upper pigtail pipe from the top of the furnace through an upper gas collecting pipe, then enters a reforming pipe through the upper pigtail pipe, is filled with a catalyst in the reforming pipe, enters a hot wall pipe through a lower pigtail pipe connected with the reforming pipe after catalytic reaction, and finally enters a subsequent process after entering a lower gas collecting pipe and converging.
The structure is generally used for hydrogen production devices with hydrogen production scale of more than 1000 square/hour, occupies a large area, needs to be produced on site, has construction period of more than 6 months, and is not suitable for the conditions of small hydrogen demand (less than 1000 square/hour), small site and short construction period.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the utility model provides a natural gas hydrogen production converter adopting a central temperature measuring tube.
The utility model provides a natural gas hydrogen production converter adopting a central temperature measuring tube, which comprises: a reformer body; the reforming furnace comprises a reforming furnace body, a reforming pipe and a catalyst, wherein the reforming furnace body is internally provided with a reforming pipe, and the reforming pipe is circumferentially arranged at the center of the reforming furnace body and is internally filled with the catalyst; the mixed gas inlet assembly is arranged at the top of the converter body and is communicated with the conversion pipe; the conversion gas pipe is arranged in the conversion pipe; the reforming gas outlet assembly is arranged at the top of the reforming furnace body and is communicated with the reforming gas pipe; the temperature measuring tube is arranged in the reforming trachea.
The natural gas hydrogen production converter adopting the central temperature measuring tube provided by the utility model has the advantages that the converter body adopts a cylindrical structure, and the converting tubes are uniformly distributed along the circumference. Mixing and preheating the raw material gas and process steam to obtain a mixed raw material gas A, allowing the mixed raw material gas A to enter a conversion pipe through a mixed gas inlet assembly at the top of a conversion furnace body, and performing conversion reaction to obtain a primary converted gas B, wherein the temperature of the primary converted gas B is 700-900 ℃; the primary reformed gas B rises to the top of the reformer body through the reformed gas pipe and enters the next process through the reformed gas outlet assembly. The arrangement of the temperature measuring pipe can ensure that the conversion reaction of the whole converter can be effectively carried out, the conversion efficiency is improved, the hydrogen output is improved, the occupied space of a field can be effectively saved, the construction time of the field is saved, the converter can be flexibly carried, the requirement on the field is not high, and the converter is particularly suitable for occasions with small hydrogen use amount and tense field.
The natural gas hydrogen production converter adopting the central temperature measuring tube according to the technical scheme of the utility model can also have the following additional technical characteristics:
in the technical scheme, the temperature measuring tube is provided with a plurality of temperature measuring elements which are arranged at intervals from the top to the bottom of the gas conversion tube.
In this technical scheme, a plurality of temperature elements can monitor the temperature after the conversion of feed gas is accomplished in real time to can in time adjust feed gas, fuel gas and combustor, ensure that the feed gas can convert completely.
In the above technical solution, the air-fuel mixture intake assembly includes: a mixed gas inlet gas collecting pipe; the mixed gas inlet pigtail pipe is connected with the mixed gas inlet gas collecting pipe and the conversion pipe.
In this technical scheme, the blender subassembly sets up and can reduce whole volume at reformer body top to be equipped with the imported pigtail of gas mixture, guarantee the smooth entering of gas mixture.
In the above technical solution, the reformed gas outlet assembly includes: a converted gas outlet gas collecting pipe; the reformed gas outlet pigtail is connected with the reformed gas outlet gas collecting pipe and the reformed gas pipe.
In the technical scheme, the reformed gas outlet assembly is arranged at the top of the reformer body, so that the whole volume can be reduced, and the reformed gas outlet pigtail is arranged, so that the reformed gas can be smoothly sent out.
In the above technical solution, the method further comprises: the central burner is arranged at the central position of the top of the reforming furnace body.
In the technical scheme, the burner of the furnace adopts a short flame structure, so that the flame diameter is reduced.
In the above technical solution, the method further comprises: a flue gas outlet formed at the reformer body.
In this technical scheme, the exhanst gas outlet is used for the outflow of flue gas.
In the above technical solution, the method further comprises: and the annular flue is formed at the bottom of the reformer body.
In the technical scheme, the annular flue is opened with holes unevenly according to the distribution condition of the fluid.
In the above technical solution, the method further comprises: and the refractory lining is arranged on the inner wall surface of the converter body.
In the technical scheme, the refractory lining is made of refractory high-temperature-resistant materials.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a natural gas hydrogen production reformer employing a central temperature tube according to the present invention;
fig. 2 is a top view of the natural gas hydrogen production reformer shown in fig. 1 employing a central temperature sensing tube.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 2 is:
1, a reformer body; 2 a refractory lining; 3, a conversion tube; 4, a catalyst; 5, a gas collecting pipe is arranged at the mixed gas inlet; 6, a converted gas outlet gas collecting pipe; 7, a tail pipe for a converted gas outlet; 8, leading mixed gas to enter a pigtail pipe; 9, a temperature measuring tube; 10, a central burner; 11 a flue gas outlet.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A natural gas hydrogen production reformer employing a central temperature sensing tube provided according to some embodiments of the present invention will now be described with reference to fig. 1-2.
Some embodiments of the present application provide a natural gas hydrogen production reformer employing a central temperature tube.
As shown in fig. 1 to 2, a first embodiment of the present invention provides a natural gas hydrogen production reformer using a central temperature measuring tube, including: a reformer body 1; a reformer tube 3 disposed inside the reformer body 1 and arranged circumferentially at the center of the reformer body 1, and the inside of the reformer tube 3 is filled with a catalyst 4; the mixed gas inlet assembly is arranged at the top of the reformer body 1 and is communicated with the reforming pipe 3; the conversion gas pipe is arranged inside the conversion pipe 3; the reformed gas outlet assembly is arranged at the top of the reforming furnace body 1 and is communicated with the reformed gas pipe; and the temperature measuring tube 9 is arranged in the reforming trachea.
According to the natural gas hydrogen production converter adopting the central temperature measuring tube 9, the converter body 1 is of a cylindrical structure, and the converting tubes 3 are uniformly distributed along the circumference. Mixing and preheating the raw material gas and process steam to obtain a mixed raw material gas A, allowing the mixed raw material gas A to enter a conversion pipe 3 through a mixed gas inlet assembly at the top of a conversion furnace body 1, and performing conversion reaction to obtain a primary converted gas B, wherein the temperature of the primary converted gas B is 700-900 ℃; the primary reformed gas B rises to the top of the reformer body 1 through the reformed gas pipe and enters the next process through the reformed gas outlet assembly. The arrangement of the temperature measuring pipe 9 can ensure that the conversion reaction of the whole converter can be effectively carried out, the conversion efficiency is improved, the hydrogen output is improved, the occupied space of a field can be effectively saved, the construction time of the field is saved, the converter can be flexibly carried, the requirement on the field is not high, and the converter is particularly suitable for occasions with small hydrogen use amount and tense field.
The second embodiment of the utility model provides a natural gas hydrogen production converter adopting a central temperature measuring tube, and on the basis of the first embodiment, the temperature measuring tube 9 is provided with a plurality of temperature measuring elements which are arranged at intervals from the top to the bottom of the conversion gas tube.
In this embodiment, the temperature of the raw material gas after conversion is completed can be monitored by the plurality of temperature measuring elements in real time, so that the raw material gas, the fuel gas and the burner can be adjusted in time, and complete conversion of the raw material gas is ensured.
The third embodiment of the utility model provides a natural gas hydrogen production converter adopting a central temperature measuring tube, and on the basis of any one of the above embodiments, the mixed gas inlet assembly comprises: a mixed gas inlet gas collecting pipe 5; and the mixed gas inlet pigtail 8 is connected with the mixed gas inlet gas collecting pipe 5 and the conversion pipe 3.
In this embodiment, the mixer assembly is disposed on the top of the reformer body 1 to reduce the overall volume, and is provided with a mixture inlet pigtail 8 to ensure smooth entry of the mixture.
The fourth embodiment of the present invention provides a natural gas hydrogen production reformer using a central temperature measuring tube, and on the basis of any of the above embodiments, the reformed gas outlet assembly includes: a converted gas outlet gas collecting pipe 6; a reformed gas outlet pigtail 7 connected with the reformed gas outlet gas collecting pipe 6 and the reformed gas pipe.
In this embodiment, the reformed gas outlet assembly is arranged at the top of the reformer body 1 to reduce the overall volume, and is provided with the reformed gas outlet pigtail 7 to ensure smooth delivery of the reformed gas.
The fifth embodiment of the present invention provides a natural gas hydrogen production reformer using a central temperature measuring tube, and on the basis of any of the above embodiments, the reformer further includes: and the central burner 10 is arranged at the central position of the top of the reformer body 1.
In the embodiment, the burner of the furnace adopts a short flame structure, so that the flame diameter is reduced.
The sixth embodiment of the present invention provides a natural gas hydrogen production reformer using a central temperature measuring tube, and on the basis of any of the above embodiments, the reformer further includes: a flue gas outlet 11 formed in the reformer body 1.
In the present embodiment, the flue gas outlet 11 is for the outflow of flue gases.
The seventh embodiment of the present invention provides a natural gas hydrogen production reformer using a central temperature measuring tube, and on the basis of any of the above embodiments, the reformer further includes: and the annular flue is formed at the bottom of the reformer body 1.
In this embodiment, the annular flue is unevenly perforated according to the fluid distribution.
An eighth embodiment of the present invention provides a natural gas hydrogen production reformer using a central temperature measuring tube, and on the basis of any of the above embodiments, the reformer further includes: and a refractory lining 2 provided on an inner wall surface of the reformer body 1.
In this embodiment, the refractory lining 2 is made of a refractory material.
In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A natural gas hydrogen production converter adopting a central temperature measuring tube is characterized by comprising:
a reformer body (1);
the reforming tube (3) is arranged in the reforming furnace body (1) and is circumferentially arranged at the center of the reforming furnace body (1), and a catalyst (4) is filled in the reforming tube (3);
the mixed gas inlet assembly is arranged at the top of the converter body (1) and is communicated with the conversion pipe (3);
the conversion gas pipe is arranged inside the conversion pipe (3);
the reformed gas outlet assembly is arranged at the top of the reforming furnace body (1) and is communicated with the reformed gas pipe;
and the temperature measuring tube (9) is arranged in the reforming trachea.
2. The natural gas hydrogen production converter adopting the central temperature measuring tube according to claim 1,
the temperature measuring tube (9) is provided with a plurality of temperature measuring elements which are arranged at intervals from the top to the bottom of the gas conversion tube.
3. The natural gas hydrogen production converter adopting the central temperature measuring tube according to claim 2, wherein the mixed gas inlet component comprises:
a mixed gas inlet gas collecting pipe (5);
and the mixed gas inlet pigtail pipe (8) is connected with the mixed gas inlet gas collecting pipe (5) and the conversion pipe (3).
4. The natural gas hydrogen production reformer adopting the central temperature measuring tube according to claim 3, wherein the reformed gas outlet assembly comprises:
a converted gas outlet gas collecting pipe (6);
a reformed gas outlet pigtail (7) which is connected with the reformed gas outlet gas collecting pipe (6) and the reformed gas pipe.
5. The natural gas hydrogen production reformer according to any one of claims 1 to 4, which employs a central temperature measuring tube, further comprising:
the central burner (10) is arranged at the top center of the reformer body (1).
6. The natural gas hydrogen production reformer according to any one of claims 1 to 4, which employs a central temperature measuring tube, further comprising:
a flue gas outlet (11) formed in the reformer body (1).
7. The natural gas hydrogen production reformer according to any one of claims 1 to 4, which employs a central temperature measuring tube, further comprising:
and the annular flue is formed at the bottom of the reformer body (1).
8. The natural gas hydrogen production reformer according to any one of claims 1 to 4, which employs a central temperature measuring tube, further comprising:
and the refractory lining (2) is arranged on the inner wall surface of the converter body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122943501.1U CN216367897U (en) | 2021-11-26 | 2021-11-26 | Natural gas hydrogen production converter adopting central temperature measuring tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122943501.1U CN216367897U (en) | 2021-11-26 | 2021-11-26 | Natural gas hydrogen production converter adopting central temperature measuring tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216367897U true CN216367897U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122943501.1U Active CN216367897U (en) | 2021-11-26 | 2021-11-26 | Natural gas hydrogen production converter adopting central temperature measuring tube |
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| Country | Link |
|---|---|
| CN (1) | CN216367897U (en) |
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2021
- 2021-11-26 CN CN202122943501.1U patent/CN216367897U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100028 Block C, Yard 6, Yanggong South Street, Chaoyang District, Beijing Patentee after: Cnooc Gas & Power Group Patentee after: SOUTHWEST RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY Address before: No. 5, gaon Boulevard, high tech Zone, Chengdu, Sichuan Province Patentee before: SOUTHWEST RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY Patentee before: Cnooc Gas & Power Group |
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| CP03 | Change of name, title or address |