CN215593009U - Regeneration tower for purifying synthesis gas - Google Patents
Regeneration tower for purifying synthesis gas Download PDFInfo
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- CN215593009U CN215593009U CN202122032925.2U CN202122032925U CN215593009U CN 215593009 U CN215593009 U CN 215593009U CN 202122032925 U CN202122032925 U CN 202122032925U CN 215593009 U CN215593009 U CN 215593009U
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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
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Abstract
The utility model discloses a regeneration tower for purifying synthesis gas, which comprises a regeneration tower body and a reboiler, wherein the reboiler comprises a shell, a heat exchange tube is arranged in the shell, two ends of the heat exchange tube are respectively and coaxially connected with an end tube in a through manner, and the inner diameter of the end tube is smaller than that of the heat exchange tube. The end pipe is worn to establish to the casing outside, and two end pipes rotate with feed liquor pipe and drain pipe coaxial respectively and are connected, feed liquor pipe and regeneration tower bottom through connection, drain pipe and regeneration tower lateral wall through connection all are equipped with electric control valve on feed liquor pipe and the drain pipe. The second scraper blade that is equipped with heat exchange tube axis parallel arrangement inside the casing, second scraper blade terminal surface and heat exchange tube outer wall contact, second scraper blade pass through dead lever and shells inner wall fixed connection. The outer part of the shell is provided with a steam supply pipe and a steam discharge pipe which are communicated with the inner cavity of the shell. The heat exchange tube of the utility model rotates all the time in the use process, and the scraper at the outer side can clean the outer wall of the heat exchange tube and keep the heat exchange efficiency.
Description
Technical Field
The utility model belongs to the field of hydrogen production equipment, and particularly relates to a regeneration tower for purifying synthesis gas.
Background
In the process flow of preparing hydrogen from coal, raw gas needs to be decarbonized through a decarbonization tower, and carbon dioxide in the raw gas is dissolved in an MDEA solution to be changed into a pregnant solution. In order to increase the utilization rate of MDEA, the rich solution needs to flow from the bottom of the decarbonizing tower into the regeneration tower for regeneration. The regeneration tower is provided with a tower bottom reboiler to ensure the supply of a heat source, the tower top condenser ensures that a product at the tower top can be cooled in time after being evaporated, the reflux tank is used for receiving light components from the tower top condenser, and the reflux pump is used for returning part of liquid in the reflux tank to the tower top and extracting part of the liquid.
The reboiler of present regenerator tower passes through and evaporates the strip heat supply source that strips, uses a terminal time after, can form incrustation scale or other attachments on the heat exchange tube outer wall, has reduced the heat exchange efficiency of heat exchange tube, influences the result of use of reboiler.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the regeneration tower for purifying the synthesis gas overcomes the defects of the prior art, and the heat exchange tube of the regeneration tower for purifying the synthesis gas rotates all the time in the using process, and the scraper at the outer side can clean the outer wall of the heat exchange tube and keep the heat exchange efficiency.
The technical scheme adopted by the utility model for solving the existing problems is as follows:
the regeneration tower for purifying the synthesis gas comprises a regeneration tower body and further comprises a reboiler, the reboiler comprises a shell, a heat exchange tube is arranged inside the shell, two ends of the heat exchange tube are respectively and coaxially connected with an end tube in a through mode, and the inner diameter of the end tube is smaller than that of the heat exchange tube.
The end pipe is worn to establish to the casing outside, and two end pipes rotate with feed liquor pipe and drain pipe coaxial respectively and are connected, feed liquor pipe and regeneration tower bottom through connection, drain pipe and regeneration tower lateral wall through connection all are equipped with electric control valve on feed liquor pipe and the drain pipe.
The second scraper blade that is equipped with heat exchange tube axis parallel arrangement inside the casing, second scraper blade terminal surface and heat exchange tube outer wall contact, second scraper blade pass through dead lever and shells inner wall fixed connection.
The outer part of the shell is provided with a steam supply pipe and a steam discharge pipe which are communicated with the inner cavity of the shell.
Preferably, the shell is cylindrical, and a plurality of supporting legs are arranged below the shell.
Preferably, the steam supply pipe and the steam discharge pipe are respectively located at two ends of the circumferential surface of the casing, and the axes of the steam supply pipe, the steam discharge pipe and the casing are located in the same plane.
The steam supply pipe is positioned at one side of the liquid outlet pipe, and the steam discharge pipe is positioned at one side of the liquid inlet pipe.
Preferably, the outer parts of the two sides of the shell are provided with bearing seats which are coaxial with the heat exchange tube, the end tube penetrates through the bearing seats, and a bearing is arranged between the outer wall of the end tube and the inner wall of the bearing seat.
Preferably, rotary seals are arranged between the outer wall of the liquid inlet pipe and the inner wall of the end pipe corresponding to the liquid inlet pipe and between the outer wall of the liquid outlet pipe and the inner wall of the end pipe corresponding to the liquid outlet pipe.
Preferably, the inner wall of the heat exchange tube is convexly provided with a plurality of first scrapers, the first scrapers are arranged along the axial direction of the heat exchange tube, the length of each first scraper is the same as that of the inner cavity of the heat exchange tube, and the height of each first scraper is smaller than the radius of the inner cavity of the heat exchange tube.
Preferably, the through hole of the heat exchange tube and the liquid inlet tube is covered with a liquid accumulation box, the circumferential surface of the liquid accumulation box is provided with a plurality of spray holes, and the spray holes connect the interior of the liquid accumulation box and the interior of the heat exchange tube in a through manner.
The spray holes are distributed in an annular array around the axis of the heat exchange tube, and the axis of the spray holes is not overlapped with the radial line of the effusion box.
Preferably, the part of one of the end pipes, which is positioned outside the shell, is sleeved with a pulley.
A motor is fixed outside the shell, and an output shaft of the motor drives the belt pulley to rotate.
Preferably, the circumferential surface of the end pipe positioned in the shell is sleeved with a snap ring, and the snap ring is in contact with the inner wall of the shell.
Preferably, the heat exchange tube is sleeved with an annular partition plate at the outer center part, and the inner diameter of the partition plate is the same as the outer diameter of the heat exchange tube and the outer diameter of the partition plate is the same as the inner diameter of the shell.
The partition board is provided with a through hole.
The bottom of the shell is positioned at two sides of the partition board and is respectively provided with a drain pipe, and the drain pipe is provided with a stop valve.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the heat exchange tube rotates all the time in the use process, so that liquid inside the heat exchange tube is in close contact with the inner wall of the heat exchange tube, and the heat exchange efficiency is improved.
(2) When the heat exchange tube rotates, the first scraper plate cleans the outer wall of the heat exchange tube, so that surface scaling or attachment generation is avoided, and the heat exchange efficiency of the heat exchange tube is maintained.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a first external view of a regeneration column for purifying synthesis gas according to the present invention,
FIG. 2 is a second external view of a regeneration column for syngas purification according to the present invention,
FIG. 3 is an axial sectional view of a regeneration tower for purifying syngas according to the present invention,
figure 4 is an enlarged view of a portion of figure 3 at a,
figure 5 is a first radial cross-sectional view of a regenerator column for syngas purification in accordance with the present invention,
FIG. 6 is a second radial cross-sectional view of a regenerator column for syngas purification in accordance with the present invention.
In the figure, 21-a shell, 2101-a bearing seat, 22-a heat exchange tube, 2201-an end tube, 2202-a first scraper, 2203-a liquid accumulation box, 2204-a spray hole, 2205-a snap ring, 2206-a belt pulley, 23-a liquid inlet tube, 24-a liquid outlet tube, 25-a steam supply tube, 26-a steam discharge tube, 27-a clapboard, 2701-a through hole, 28-a second scraper, 2801-a fixed rod, 29-a sewage discharge tube, 210-a synchronous belt, 211-a motor and 212-a rotary seal.
Detailed Description
The accompanying drawings are preferred embodiments of the regeneration tower for syngas purification, and the present invention is further described in detail below with reference to the accompanying drawings.
The regeneration tower for purifying the synthesis gas comprises a regeneration tower body and a reboiler, wherein the regeneration tower body adopts the prior art.
The reboiler comprises a shell 21, the shell 21 is cylindrical, and a plurality of supporting legs are arranged below the shell 21. The heat exchange tube 22 is arranged in the shell 21, two ends of the heat exchange tube 22 are respectively and coaxially connected with an end tube 2201 in a through mode, the inner diameter of the end tube 2201 is smaller than that of the heat exchange tube 22, and the through connection position of the end tube 2201 and the heat exchange tube 22 is provided with arc transition.
The end of the end pipe 2201 penetrates the outer part of the shell 21, one end of the liquid inlet pipe 23 and one end of the liquid outlet pipe 24 are inserted into the end pipe 2201, and the two end pipes 2201 are coaxially rotated and connected with the liquid inlet pipe 23 and the liquid outlet pipe 24 in a penetrating manner. Feed liquor pipe 23 and regeneration tower bottom through connection, drain pipe 24 and regeneration tower lateral wall through connection all are equipped with the electric control valve on feed liquor pipe 23 and the drain pipe 24.
In order to increase the sealing performance between the liquid inlet pipe 23 and the liquid outlet pipe 24 and the end pipe 2201, the rotary seals 212 are respectively arranged between the outer wall of the liquid inlet pipe 23 and the inner wall of the corresponding end pipe 2201, and between the outer wall of the liquid outlet pipe 24 and the inner wall of the corresponding end pipe 2201, and the rotary seals 212 adopt the prior art.
When the heat exchanger is used, the end pipe 2201 rotates, in order to reduce the friction between the end pipe 2201 and the shell 21, the bearing seat 2101 which is coaxial with the heat exchange pipe 22 is arranged outside two sides of the shell 21, the end pipe 2201 penetrates through the bearing seat 2101, and a bearing is arranged between the outer wall of the end pipe 2201 and the inner wall of the bearing seat 2101.
The end pipe 2201 is sleeved with a snap ring 2205 on the circumferential surface inside the housing 21, the snap ring 2205 is in contact with the inner wall of the housing 21, and the snap ring 2205 effectively avoids the heat exchange pipe 22 from moving.
The inner wall of the heat exchange tube 22 is convexly provided with a plurality of first scraping plates 2202, the first scraping plates 2202 are arranged along the axial direction of the heat exchange tube 22, the length of the first scraping plates 2202 is the same as that of the inner cavity of the heat exchange tube 22, and the height of the first scraping plates 2202 is smaller than the radius of the inner cavity of the heat exchange tube 22. The first scrapers 2202 are distributed in an annular array around the axis of the heat exchange tube 22, and when the heat exchange tube 22 rotates, the first scrapers 2202 can drive liquid inside to rotate, so that centrifugal force is generated, and the liquid is tightly attached to the inner wall of the heat exchange tube 22.
To achieve the rotation of the heat exchange tube 22 during use, three methods can be used:
the method comprises the following steps: the heat exchange tube 22 and the liquid inlet tube 23 are provided with a cylindrical liquid accumulation box 2203 at the through hole, the circumferential surface of the liquid accumulation box 2203 is provided with a plurality of spray holes 2204, and the spray holes 2204 connect the inside of the liquid accumulation box 2203 with the inside of the heat exchange tube 22 in a through way.
The spray holes 2204 are distributed in an annular array around the axis of the heat exchange tube 22, and the axis of the spray holes 2204 is not coincident with the radial line of the liquid storage box 2203. The liquid sprayed from the spraying hole 2204 pushes the heat exchange pipe 22 reversely, so that the heat exchange pipe 22 rotates. The liquid jetted from the jet hole 2204 impinges on the first scraper 2202, further increasing the urging force, and causing the heat exchange tube 22 to rotate.
The second method comprises the following steps: the part of one of them end pipe 2201 that is located the casing 21 outside is equipped with belt pulley 2206 in a sleeving manner, and casing 21 outside is fixed with motor 211, and the common cover is equipped with hold-in range 210 between the output shaft of motor 211 and belt pulley 2206 for motor 211 can drive belt pulley 2206 rotatory, and then drives heat exchange tube 22 rotatory.
The third method comprises the following steps: the device is provided with a first mechanism and a second mechanism.
The inside of the shell 21 is provided with a second scraper 28 arranged parallel to the axis of the heat exchange tube 22, the end surface of the second scraper 28 is in contact with the outer wall of the heat exchange tube 22, and the second scraper 28 is fixedly connected with the inner wall of the shell 21 through a fixing rod 2801. The second scraper 28 cleans the outer wall of the heat exchange tube 22 during rotation.
A steam supply pipe 25 and a steam discharge pipe 26 are provided outside the casing 21 and connected to the inner cavity thereof.
The steam supply pipe 25 and the steam discharge pipe 26 are respectively located at both ends of the circumferential surface of the casing 21, and the axes of the steam supply pipe 25, the steam discharge pipe 26 and the casing 1 are located on the same plane.
A steam supply pipe 25 is positioned at one side of the liquid outlet pipe 24, and a steam discharge pipe 26 is positioned at one side of the liquid inlet pipe 23.
The heat exchange tube 22 is sleeved with an annular partition plate 27 at the outer center part, and the inner diameter of the partition plate 27 is the same as the outer diameter of the heat exchange tube 22 and the outer diameter is the same as the inner diameter of the shell 21. The partition plate 27 is provided with a through hole 2701, and in this embodiment, the through hole 2701, the steam supply pipe 25 and the steam discharge pipe 26 are respectively located on both sides of the axis of the casing 21.
The bottom of the shell 1 is positioned at two sides of the clapboard 27 and is respectively connected with a sewage discharge pipe 29 in a through way, and the sewage discharge pipe 29 is provided with a stop valve.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The regeneration tower for purifying the synthesis gas comprises a regeneration tower body and is characterized in that:
the device also comprises a reboiler, the reboiler comprises a shell (21), a heat exchange tube (22) is arranged in the shell (21), two ends of the heat exchange tube (22) are respectively coaxially connected with an end tube (2201) in a through manner, the inner diameter of the end tube (2201) is smaller than that of the heat exchange tube (22),
the end pipes (2201) penetrate through the shell (21) to be connected to the outside, the two end pipes (2201) are respectively connected with the liquid inlet pipe (23) and the liquid outlet pipe (24) in a coaxial and rotating manner, the liquid inlet pipe (23) is connected with the bottom of the regeneration tower in a through manner, the liquid outlet pipe (24) is connected with the side wall of the regeneration tower in a through manner, electric control valves are respectively arranged on the liquid inlet pipe (23) and the liquid outlet pipe (24),
a second scraper (28) which is arranged in parallel with the axis of the heat exchange tube (22) is arranged in the shell (21), the end surface of the second scraper (28) is contacted with the outer wall of the heat exchange tube (22), the second scraper (28) is fixedly connected with the inner wall of the shell (21) through a fixing rod (2801),
a steam supply pipe (25) and a steam discharge pipe (26) which are communicated with the inner cavity of the shell (21) are arranged outside the shell.
2. The regeneration column for syngas purification of claim 1, characterized in that:
the shell (21) is cylindrical, and a plurality of supporting legs are arranged below the shell (21).
3. The regeneration column for syngas purification of claim 2, characterized in that:
the steam supply pipe (25) and the steam discharge pipe (26) are respectively positioned at the two ends of the circumferential surface of the shell (21), the axes of the steam supply pipe (25), the steam discharge pipe (26) and the shell (21) are positioned in the same plane,
the steam supply pipe (25) is positioned at one side of the liquid outlet pipe (24), and the steam discharge pipe (26) is positioned at one side of the liquid inlet pipe (23).
4. The regeneration column for syngas purification of claim 3, characterized in that:
bearing seats (2101) which are coaxial with the heat exchange tubes (22) are arranged outside two sides of the shell (21), end tubes (2201) penetrate through the inside of the bearing seats (2101), and bearings are arranged between the outer walls of the end tubes (2201) and the inner walls of the bearing seats (2101).
5. The regeneration column for synthesis gas purification according to claim 1, 2, 3 or 4, characterized in that:
and rotary seals (212) are arranged between the outer wall of the liquid inlet pipe (23) and the inner wall of the corresponding end pipe (2201) and between the outer wall of the liquid outlet pipe (24) and the inner wall of the corresponding end pipe (2201).
6. The regeneration column for syngas purification of claim 5, characterized in that:
the inner wall of the heat exchange tube (22) is convexly provided with a plurality of first scraping plates (2202), the first scraping plates (2202) are axially arranged along the heat exchange tube (22), the length of the first scraping plates (2202) is the same as that of the inner cavity of the heat exchange tube (22), and the height of the first scraping plates (2202) is smaller than the radius of the inner cavity of the heat exchange tube (22).
7. The regeneration column for syngas purification of claim 6, characterized in that:
the through hole of the heat exchange tube (22) and the liquid inlet tube (23) is covered with a liquid accumulation box (2203), the circumferential surface of the liquid accumulation box (2203) is provided with a plurality of spray holes (2204), the spray holes (2204) connect the interior of the liquid accumulation box (2203) with the interior of the heat exchange tube (22) in a through way,
the spray holes (2204) are distributed in an annular array around the axis of the heat exchange tube (22), and the axis of the spray holes (2204) is not coincident with the radial line of the liquid accumulation box (2203).
8. The regeneration column for syngas purification of claim 6, characterized in that:
a belt pulley (2206) is sleeved on the part of one end pipe (2201) positioned outside the shell (21),
a motor (211) is fixed outside the shell (21), and an output shaft of the motor (211) drives a belt pulley (2206) to rotate.
9. The regeneration column for synthesis gas purification according to claim 6, 7 or 8, wherein:
the end pipe (2201) is sleeved with a clamping ring (2205) on the circumferential surface inside the shell (21), and the clamping ring (2205) is in contact with the inner wall of the shell (21).
10. The regeneration column for synthesis gas purification according to claim 6, 7 or 8, wherein:
the outer center part of the heat exchange tube (22) is sleeved with an annular clapboard (27), the inner diameter of the clapboard (27) is the same as the outer diameter of the heat exchange tube (22), the outer diameter is the same as the inner diameter of the shell (21),
the partition plate (27) is provided with a through hole (2701),
the bottom of the shell (21) is positioned at two sides of the clapboard (27) and is respectively provided with a sewage discharge pipe (29), and the sewage discharge pipe (29) is provided with a stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122032925.2U CN215593009U (en) | 2021-08-27 | 2021-08-27 | Regeneration tower for purifying synthesis gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122032925.2U CN215593009U (en) | 2021-08-27 | 2021-08-27 | Regeneration tower for purifying synthesis gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593009U true CN215593009U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122032925.2U Active CN215593009U (en) | 2021-08-27 | 2021-08-27 | Regeneration tower for purifying synthesis gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593009U (en) |
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2021
- 2021-08-27 CN CN202122032925.2U patent/CN215593009U/en active Active
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