CN219259571U - Temperature-controllable shift converter - Google Patents
Temperature-controllable shift converter Download PDFInfo
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- CN219259571U CN219259571U CN202320678063.7U CN202320678063U CN219259571U CN 219259571 U CN219259571 U CN 219259571U CN 202320678063 U CN202320678063 U CN 202320678063U CN 219259571 U CN219259571 U CN 219259571U
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Abstract
The utility model discloses a temperature-controllable shift converter, which comprises a shift converter shell and a steam drum, wherein the shift converter shell comprises a main body and a main body: the inside of the shift converter shell is provided with a heat insulation section and a temperature controllable section from top to bottom respectively, a first cooling pipe fitting or a second cooling pipe fitting is arranged in the temperature controllable section, and the steam drum circularly introduces cooling gas flowing along the vertical direction or the spiral direction into the first cooling pipe fitting or the second cooling pipe fitting. According to the utility model, the shift converter adopts a combined structure of the heat insulation section and the controllable temperature section, the heat insulation conversion characteristic is utilized, the high temperature state can be kept as much as possible in the initial upper section, the carbon monoxide in the synthesis gas is subjected to conversion reaction as soon as possible, and in the controllable temperature section, the cooling pipe fittings with different structures are utilized to realize the regulation and control effects of different temperature ranges in the controllable temperature section, so that the effect of controlling the outlet temperature of the shift converter by the pressure of the boiler circulating water byproduct steam is realized, the conversion rate of carbon monoxide at the outlet of the shift converter is improved, and better economic benefits can be created.
Description
Technical Field
The utility model relates to the technical field of shift converters, in particular to a temperature-controllable shift converter.
Background
The carbon monoxide conversion technology is a main technology in the fields of clean raw materials, chemical industry and other energy sources and chemical industry, synthesis gas prepared by gasification technology and the like can be prepared into raw material gas required by products such as gasoline and diesel oil, methane, methanol, ethanol, hydrogen, synthetic ammonia and the like through conversion technology, and the chemical production requirement is met, so that the development of clean, efficient, safe and reliable conversion technology is a necessary way for developing energy sources and chemical industry in China, the existing synthesis gas conversion technology mainly comprises an adiabatic conversion furnace and an isothermal conversion furnace, and carbon monoxide is changed under the action of a plurality of sections of high temperatures through a catalyst.
Chinese patent publication No.: CN216997696U discloses a novel shift converter, comprising a main body of the shift converter, a heat-insulating segment shift converter, a temperature-controlling Duan Bianhuan furnace, a humidifier and a tube type heat exchanger, wherein the main body of the shift converter is hollow cylindrical; the heat insulation section conversion furnace is coaxially arranged at the upper section of the conversion furnace main body and is detachably connected with the conversion furnace main body; an inlet pipe of the heat-insulating section converting furnace, which is arranged at the lower part of the left side of the heat-insulating section converting furnace, is communicated with the heat-insulating section converting furnace and penetrates out of the converting furnace main body; an outlet pipe of the heat-insulating section converting furnace, which is arranged at the lower part of the right side of the heat-insulating section converting furnace, is communicated with the heat-insulating section converting furnace and penetrates out of the converting furnace main body; the upper inlet pipe of the humidifier is arranged at the upper left side of the humidifier and is communicated with the humidifier; the humidifier lower outlet pipe is arranged at the lower left side of the humidifier and communicated with the humidifier; the outlet pipe of the heat insulation section conversion furnace is connected with the inlet pipe at the upper part of the humidifier; the temperature control section conversion furnace is coaxially arranged at the lower part of the conversion furnace main body, is detachably connected with the conversion furnace main body, and is arranged at the upper right side of the temperature control Duan Bianhuan furnace, is communicated with the temperature control section conversion furnace and penetrates out of the conversion furnace main body; the temperature control section conversion furnace outlet is arranged at the lower part of the left side of the temperature control Duan Bianhuan furnace, is communicated with the temperature control section conversion furnace and penetrates out of the conversion furnace main body; the tube type heat exchanger is axially arranged in the temperature control section shift converter, and a boiler water inlet tube is arranged at the lower part of the right side of the shift converter main body and is communicated with the tube type heat exchanger; the boiler water outlet pipe is arranged in the middle of the left side of the main body of the shift converter and is communicated with the shell-and-tube heat exchanger; the inlet of the temperature control section conversion furnace is connected with the outlet pipe at the lower part of the humidifier.
The existing adiabatic shift converter is a classical shift converter, a shift catalyst is arranged in the shift converter, the highest temperature is about 460 ℃, the shift converter can realize the purpose of carbon monoxide conversion through multistage conversion, but the shift converter provided by several isothermal shift converter suppliers in China has a controllable temperature of 230-300 ℃, the structure is complex, the shift converter has high manufacturing difficulty, the continuous operation time is difficult to ensure, and the long-period stable operation of the device is seriously influenced.
Disclosure of Invention
The utility model aims to provide a temperature-controllable shift furnace which adopts a combined structure of a heat insulation section and a temperature-controllable section, can not utilize cooling modes of different cooling pipes, flexibly control the temperature of an outlet of the shift furnace, improve the conversion rate of carbon monoxide and improve the operation stability.
In order to achieve the above object, the present utility model provides the following technical solutions: a temperature-controllable shift converter comprises a shift converter shell and a steam drum:
the inside of the converter shell is provided with a heat insulation section and a temperature controllable section from top to bottom respectively;
the temperature-controllable section is internally provided with a first cooling pipe fitting or a second cooling pipe fitting, and the steam drum circularly introduces cooling gas flowing in the vertical direction or the spiral direction into the first cooling pipe fitting or the second cooling pipe fitting.
As a further description of the above technical solution:
the first cooling pipe fitting is a pipe row distributed in the temperature-controllable section along the vertical direction, the bottom of the pipe row is connected with the air outlet side of the steam drum through a cooling inlet pipe, and the top of the pipe row is connected with the air inlet side of the steam drum through a cooling outlet pipe.
As a further description of the above technical solution:
the second cooling pipe fitting is a coil pipe distributed in the controllable temperature section along the spiral direction, the bottom of the coil pipe is connected with the air outlet side of the steam drum through a cooling inlet pipe, and the top of the coil pipe is connected with the air inlet side of the steam drum through a cooling outlet pipe.
As a further description of the above technical solution:
the heat insulation section and the temperature controllable section are filled with a conversion catalyst.
As a further description of the above technical solution:
the top of the heat insulation section is provided with a conversion air inlet pipe.
As a further description of the above technical solution:
the bottom of the temperature-controllable section is provided with a conversion gas outlet pipe.
As a further description of the above technical solution:
the steam drum is provided with a boiler water feeding pipe.
As a further description of the above technical solution:
and a byproduct steam outlet pipe is arranged on the steam drum.
In the technical scheme, the temperature-controllable shift converter provided by the utility model has the following beneficial effects:
the shift converter adopts a combined structure of the heat insulation section and the controllable temperature section, utilizes the characteristic that the heat insulation section continues heat insulation conversion, can keep a high temperature state as much as possible in the initial upper section, enables carbon monoxide in the synthesis gas to undergo conversion reaction as soon as possible, and utilizes cooling pipe fittings of different structures of the heat insulation section and the controllable temperature section to realize the regulation and control effects of different temperature ranges in the controllable temperature section, thereby realizing the effect of controlling the outlet temperature of the shift converter by the pressure of the boiler circulating water byproduct steam, improving the carbon monoxide conversion rate of the outlet of the shift converter, having higher operation reliability, simultaneously obtaining longer continuous operation time and creating better economic benefit.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an embodiment one of a temperature-controllable shift converter according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a second embodiment of a temperature-controllable shift converter according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a change-over air inlet pipe; 2. an insulation section; 3. a shift converter housing; 4. a temperature controllable section; 5. a shift catalyst; 6. a conversion gas outlet pipe; 7. a tube row; 8. a cooling outlet pipe; 9. cooling the inlet pipe; 10. a steam drum; 11. a byproduct steam outlet pipe; 12. a boiler feed water inlet pipe; 13. a coiled pipe.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, a temperature-controllable shift converter comprises a shift converter shell 3 and a steam drum 10, wherein the shift converter shell 3 can bear gasification pressure as a pressure vessel, the operation pressure can reach 0.5-10 MPa, the reaction temperature is 200-480 ℃, a boiler water inlet pipe 12 is arranged on the steam drum 10, high-temperature water flow can be introduced into the steam drum through a boiler, so that gas in the steam drum 10 generates byproduct steam under the action of high temperature and high pressure and is circularly introduced into the shift converter shell 3 to provide a temperature-controllable cooling gas medium, a byproduct steam outlet pipe 11 is arranged on the steam drum 10, and the byproduct steam with multiple brightness can be discharged outwards:
the inside of the converter shell 3 is provided with an insulation section 2 and a controllable temperature section 4 from top to bottom, the insulation section 2 and the controllable temperature section 4 are filled with conversion catalysts 5, the top of the insulation section 2 is provided with a conversion gas inlet pipe 1, the bottom of the controllable temperature section 4 is provided with a conversion gas outlet pipe 6, and the conversion gas is led into the insulation section 2 through the conversion gas inlet pipe 1 for leading into the insulation section 2 for the first time, is matched with the conversion catalysts 5 and the reverse rapid conversion reaction, then enters the controllable temperature section 4, is matched with the conversion catalysts 5, and performs conversion reactions on the conversion gas at different temperatures by utilizing the gas of the conversion temperature, thereby ensuring the conversion rate of carbon monoxide discharged by the conversion gas outlet pipe 6;
the first cooling pipe fitting or the second cooling pipe fitting is arranged in the controllable temperature section 4, the cooling gas flowing along the vertical direction or along the spiral direction is circularly led into the first cooling pipe fitting or the second cooling pipe fitting by the steam drum 10, the first cooling pipe fitting or the second cooling pipe fitting with different structures is utilized, so that byproduct steam can vertically flow from bottom to top in the first cooling pipe fitting or spirally flow from bottom to top in the second cooling pipe fitting, namely, the regulation and control effects of different temperature ranges are realized in the controllable temperature section 4, the effect of controlling the outlet temperature of the shift converter by the pressure of boiler circulating water byproduct steam is realized, the conversion rate of carbon monoxide in the shift gas outlet pipe 6 is improved, the reliability of shift operation is higher, longer continuous running time can be obtained, and better economic benefit is created.
Example 1
The first cooling pipe fitting is a pipe row 7 distributed in the controllable temperature section 4 along the vertical direction, the pipe row 7 is of a three-section structure, the upper end and the lower end are horizontal through pipes, a plurality of parallel vertical pipes are arranged between the two horizontal through pipes, the bottom of the pipe row 7 is connected with the air outlet side of the steam drum 10 through a cooling inlet pipe 9, the top of the pipe row 7 is connected with the air inlet side of the steam drum 10 through a cooling outlet pipe 8, byproduct steam in the steam drum 10 is led into the vertical pipe part in the pipe row 7 through the cooling inlet pipe 9, so that the byproduct steam can flow from bottom to top in the pipe row 7, and is led into the steam drum 10 again through the cooling outlet pipe 8, and then the cooling effect under different temperatures can be formed in the controllable temperature section 4.
Example two
The second cooling pipe fitting is coil pipe 13 distributed in controllable temperature section 4 along the spiral direction, and the bottom of coil pipe 13 is connected with the air outlet side of drum 10 through cooling inlet tube 9, and the top of coil pipe 13 is connected with the air inlet side of drum 10 through cooling outlet tube 8, and the byproduct steam in drum 10 is led into the standpipe spiral part in coil pipe 13 through cooling inlet tube 9 for byproduct steam can follow the spiral flow from bottom to top in coil pipe 13, and is led into drum 10 again through cooling outlet tube 8, can form the cooling effect under the different temperatures in controllable temperature section 4.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The utility model provides a controllable temperature shift converter, includes shift converter casing (3) and steam drum (10), its characterized in that:
the inside of the converter shell (3) is respectively provided with a heat insulation section (2) and a temperature controllable section (4) from top to bottom;
the temperature-controllable section (4) is internally provided with a first cooling pipe fitting or a second cooling pipe fitting, and the steam drum (10) circularly introduces cooling gas flowing in the vertical direction or the spiral direction into the first cooling pipe fitting or the second cooling pipe fitting.
2. A temperature controllable shift furnace according to claim 1, wherein: the first cooling pipe fitting is a pipe row (7) distributed in the controllable temperature section (4) along the vertical direction, the bottom of the pipe row (7) is connected with the air outlet side of the steam drum (10) through a cooling inlet pipe (9), and the top of the pipe row (7) is connected with the air inlet side of the steam drum (10) through a cooling outlet pipe (8).
3. A temperature controllable shift furnace according to claim 1, wherein: the second cooling pipe fitting is a coil pipe (13) distributed in the controllable temperature section (4) along the spiral direction, the bottom of the coil pipe (13) is connected with the air outlet side of the steam drum (10) through a cooling inlet pipe (9), and the top of the coil pipe (13) is connected with the air inlet side of the steam drum (10) through a cooling outlet pipe (8).
4. A temperature controllable shift furnace according to claim 1, wherein: the heat insulation section (2) and the temperature controllable section (4) are filled with a conversion catalyst (5).
5. A temperature controllable shift furnace according to claim 1, wherein: the top of the heat insulation section (2) is provided with a conversion air inlet pipe (1).
6. A temperature controllable shift furnace according to claim 1, wherein: the bottom of the temperature-controllable section (4) is provided with a conversion gas outlet pipe (6).
7. A temperature controllable shift furnace according to claim 1, wherein: the steam drum (10) is provided with a boiler water feeding pipe (12).
8. A temperature controllable shift furnace according to claim 1, wherein: the steam drum (10) is provided with a byproduct steam outlet pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320678063.7U CN219259571U (en) | 2023-03-31 | 2023-03-31 | Temperature-controllable shift converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320678063.7U CN219259571U (en) | 2023-03-31 | 2023-03-31 | Temperature-controllable shift converter |
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| Publication Number | Publication Date |
|---|---|
| CN219259571U true CN219259571U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320678063.7U Active CN219259571U (en) | 2023-03-31 | 2023-03-31 | Temperature-controllable shift converter |
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| Country | Link |
|---|---|
| CN (1) | CN219259571U (en) |
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- 2023-03-31 CN CN202320678063.7U patent/CN219259571U/en active Active
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