CN219103798U - Tower top gas recovery device of solvent recovery tower - Google Patents
Tower top gas recovery device of solvent recovery tower Download PDFInfo
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- CN219103798U CN219103798U CN202223374604.1U CN202223374604U CN219103798U CN 219103798 U CN219103798 U CN 219103798U CN 202223374604 U CN202223374604 U CN 202223374604U CN 219103798 U CN219103798 U CN 219103798U
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- solvent recovery
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a tower top gas recovery device of a solvent recovery tower, which relates to the technical field of tower top gas recovery devices and comprises a secondary fluidization bracket, wherein the secondary fluidization bracket is arranged at the upper end of a main body of the solvent recovery tower, the main body of the solvent recovery tower is fixedly connected with the secondary fluidization bracket, and a tower top gas collection pipeline is arranged at the upper end of the secondary fluidization bracket.
Description
Technical Field
The utility model relates to the technical field of tower top gas recovery devices, in particular to a tower top gas recovery device of a solvent recovery tower.
Background
In the production process of industries such as fermentation, bio-pharmaceuticals and the like, organic solvents are required to be used for dissolution, catalysis, purification and the like, wherein the most common solvents with the largest required amount are methanol, ethanol, toluene, acetone and the like, and the solvents contain a large amount of moisture or other impurities after being used.
However, when the existing solvent recovery tower is used for recovering the gas at the top of the tower, some small liquid beads are often carried in the gas, and the small liquid beads are adsorbed inside the gas inlet pipeline of the gas-liquid separator, so that the gas at the top of the tower is easy to leak due to corrosion of the gas inlet pipeline of the gas-liquid separator, and therefore, the existing requirement is not met, and the solvent recovery tower top gas recovery device is provided.
Disclosure of Invention
The utility model aims to provide a tower top gas recovery device of a solvent recovery tower, which is used for solving the problems that when the tower top gas is recovered by the solvent recovery tower in the background technology, a few small liquid beads are often carried in the gas, the small liquid beads are adsorbed in an air inlet pipeline of a gas-liquid separator, the air inlet pipeline of the gas-liquid separator is easy to rust, and the tower top gas is easy to leak.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a tower top gas recovery device of a solvent recovery tower comprises a solvent recovery tower body;
the secondary fluidization support is arranged at the upper end of the solvent recovery tower body, the solvent recovery tower body is fixedly connected with the secondary fluidization support, a tower top gas collecting pipeline is arranged at the upper end of the secondary fluidization support, the tower top gas collecting pipeline is fixedly connected with the secondary fluidization support, an external support is arranged outside the tower top gas collecting pipeline, the external support is fixedly connected with the tower top gas collecting pipeline, and a guide cylinder is arranged inside the tower top gas collecting pipeline;
the heating plate is arranged in the outer support, the outer support is fixedly connected with the heating plate, the heat preservation layer is arranged on the outer portion of the outer support, the heat preservation layer is fixedly connected with the outer support, the heat exchange support is arranged in the secondary fluidization support, and the heat exchange support is fixedly connected with the secondary fluidization support.
Preferably, a gas-liquid separator is arranged at the lower end of the tower top gas collecting pipeline, and the gas-liquid separator is fixedly connected with the tower top gas collecting pipeline.
Preferably, a heat exchange groove is arranged in the heat exchange support.
Preferably, the two sides of the heat exchange support are provided with liquid discharge pipelines, and the liquid discharge pipelines are fixedly connected with the heat exchange support.
Preferably, the two sides of the upper end of the heat exchange support are provided with hot liquid inlet pipes, and the hot liquid inlet pipes are connected with the heat exchange support in a welding way.
Preferably, the outside of heat exchange support is provided with the exhaust through-hole, the exhaust through-hole is provided with a plurality of.
Preferably, the upper end of the heat exchange bracket is provided with a tower top gas outlet.
Preferably, a separation liquid discharge pipeline is arranged at the lower end of the gas-liquid separator, the separation liquid discharge pipeline is fixedly connected with the gas-liquid separator, an exhaust pipeline is arranged at one side of the gas-liquid separator, and the exhaust pipeline is fixedly connected with the gas-liquid separator.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the small water drops entering the tower top gas collecting pipeline can be gradually converged by arranging the guide cylinder, so that the water drops can flow back into the solvent recovery tower main body, the use effect of the device is enhanced, the water drops are prevented from accumulating in the tower top gas collecting pipeline for a long time, rust is caused to the tower top gas collecting pipeline, the damage of the tower top gas collecting pipeline is avoided, the gas at the tower top is discharged, the heating plate is arranged to heat the tower top gas collecting pipeline, the gas at the tower top is prevented from liquefying in the tower top gas collecting pipeline when meeting cold, the rust of the tower top gas collecting pipeline is avoided, and leakage of the tower top gas collecting pipeline is effectively prevented;
2. according to the heat-insulating device, the heat-insulating layer is arranged, so that the practicability of the device is enhanced, the heat-exchanging support and the heat-exchanging groove are arranged, liquid with a certain temperature can be added into the heat-exchanging groove, water drops in air are heated and liquefied, a large amount of water drops are prevented from entering the tower top gas collecting pipeline, and the practicability of the device is enhanced.
Drawings
FIG. 1 is a schematic diagram of a device for recovering a gas at the top of a solvent recovery column according to the present utility model;
FIG. 2 is a three-dimensional perspective view of a solvent recovery column overhead gas recovery apparatus of the present utility model;
FIG. 3 is a three-dimensional perspective view of a heat exchange bracket of the present utility model;
FIG. 4 is an enlarged view of part A of the present utility model;
FIG. 5 is a schematic view of a guide shell according to the present utility model;
fig. 6 is an enlarged view of part B of the present utility model.
In the figure: 1. a solvent recovery column main body; 2. a secondary fluidization bracket; 3. a heat exchange bracket; 4. a liquid discharge pipe; 5. a hot liquid inlet pipe; 6. an overhead gas collection line; 7. an external bracket; 8. a heat preservation layer; 9. a heating plate; 10. a guide cylinder; 11. a gas-liquid separator; 12. a heat exchange tank; 13. a top gas outlet; 14. a separated liquid discharge conduit; 15. an exhaust duct; 16. and an exhaust through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The technical scheme of the utility model aims at solving the technical problems that when a solvent recovery tower is used for recovering tower top gas in the prior art, the gas often carries some small liquid beads, the small liquid beads are adsorbed inside an air inlet pipeline of a gas-liquid separator, corrosion of the air inlet pipeline of the gas-liquid separator is easy to cause easy leakage of the tower top gas, and the solution is obviously different from the prior art.
Referring to fig. 1-6, an embodiment of the present utility model is provided: a tower top gas recovery device of a solvent recovery tower comprises a solvent recovery tower body 1;
the secondary fluidization support 2 is arranged at the upper end of the solvent recovery tower body 1, the solvent recovery tower body 1 is fixedly connected with the secondary fluidization support 2, a tower top gas collecting pipeline 6 is arranged at the upper end of the secondary fluidization support 2, the tower top gas collecting pipeline 6 is fixedly connected with the secondary fluidization support 2, an external support 7 is arranged outside the tower top gas collecting pipeline 6, the external support 7 is fixedly connected with the tower top gas collecting pipeline 6, a guide cylinder 10 is arranged inside the tower top gas collecting pipeline 6, the guide cylinder 10 is arranged to gradually collect small water drops entering the tower top gas collecting pipeline 6, so that the water drops can flow back into the solvent recovery tower body 1 again, the use effect of the device is enhanced, the water drops are prevented from accumulating in the tower top gas collecting pipeline 6 for a long time, rust is prevented from being caused to the tower top gas collecting pipeline 6, and the tower top gas is prevented from being damaged and being discharged;
the hot plate 9, it sets up in the inside of external support 7, installation hot plate 9 can heat overhead gas collection pipeline 6, avoid overhead gas to meet cold liquefaction inside overhead gas collection pipeline 6, avoid overhead gas collection pipeline 6 corrosion, effectively prevent overhead gas collection pipeline 6 to reveal, external support 7 and hot plate 9 fixed connection, external mounting of external support 7 has heat preservation 8, installation heat preservation 8 can play the heat retaining effect, reinforcing means's practicality, heat preservation 8 and external support 7 fixed connection, the internally mounted of secondary fluidization support 2 has heat exchange support 3, heat exchange support 3 and secondary fluidization support 2 fixed connection.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, the gas-liquid separator 11 is installed at the lower end of the tower top gas collecting pipe 6, the gas-liquid separator 11 is fixedly connected with the tower top gas collecting pipe 6, the heat exchanging groove 12 is arranged in the heat exchanging bracket 3, the heat exchanging bracket 3 and the heat exchanging groove 12 can add liquid with a certain temperature into the heat exchanging groove 12, water drops in the air are heated and liquefied, a large amount of water drops are prevented from entering the inner part of the tower top gas collecting pipe 6, the practicability of the device is enhanced, the liquid draining pipe 4 is installed at both sides of the heat exchanging bracket 3, the liquid draining pipe 4 is fixedly connected with the heat exchanging bracket 3, the hot liquid inlet pipe 5 is fixedly connected with the heat exchanging bracket 3, the exhaust through hole 16 is arranged at the outer part of the heat exchanging bracket 3, a plurality of exhaust through holes 16 are arranged at the upper end of the heat exchanging bracket 3, the lower end of the gas-liquid separator 11 is provided with the separation liquid draining pipe 14, the separation liquid draining pipe 14 is fixedly connected with the gas-liquid separator 11, and the gas-liquid separator 11 is fixedly connected with the exhaust pipe 15 at one side of the gas-liquid separator 11, and the gas separator 15 is fixedly connected with the exhaust pipe 11.
Working principle: when in use, a worker connects the liquid discharge pipeline 4 and the hot liquid inlet pipe 5 with a liquid inlet pipe and a liquid discharge pipe of an external heat source machine of the device, the external heat source machine of the device is used for introducing the hot liquid into the heat exchange groove 12, the tower top gas generated by the main body 1 of the solvent recovery tower carries some tiny water drops to move upwards, the tower top gas and a part of the tiny water drops contact with the heat exchange bracket 3, the tiny water drops are heated and gasified, the tower top gas enters the inner part of the tower top gas collecting pipeline 6, at the moment, the heating plate 9 heats the tower top gas collecting pipeline 6, so that the other part of the tiny water drops in the tower top gas are quickly gasified, when the tower top gas contains more tiny water drops, the tiny water drops contact with the guide cylinder 10 and gradually gather into big water drops, and flow back into the main body 1 of the solvent recovery tower along the guide cylinder 10, so as to prevent the inner part of the tower top gas collecting pipeline 6 from accumulating more water drops for a long time, the device has the advantages that the rust inside the tower top gas collecting pipeline 6 is avoided, the guide cylinder 10 is arranged, small water drops entering the tower top gas collecting pipeline 6 are gradually converged, the water drops flow back into the solvent recovery tower main body 1 again, the using effect of the device is enhanced, the water drops are prevented from accumulating inside the tower top gas collecting pipeline 6 for a long time, the rust on the tower top gas collecting pipeline 6 is caused, the damage of the tower top gas collecting pipeline 6 is avoided, the gas at the tower top is discharged, the heating plate 9 is arranged to heat the tower top gas collecting pipeline 6, the gas at the tower top is prevented from liquefying in the tower top gas collecting pipeline 6 when encountering cold, the rust on the tower top gas collecting pipeline 6 is avoided, the leakage of the tower top gas collecting pipeline 6 is effectively prevented, the heat preservation layer 8 is arranged to play a role in heat preservation, the practicability of the device is enhanced, the heat exchange bracket 3 and the heat exchange groove 12 are arranged to enable liquid with a certain temperature to be added into the heat exchange groove 12, the water drops in the air are heated and liquefied, so that the water drops are prevented from entering the tower top gas collecting pipeline 6 in a large amount, and the practicability of the device is enhanced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a solvent recovery tower top gas recovery unit, includes solvent recovery tower main part (1), its characterized in that:
the secondary fluidization support (2) is arranged at the upper end of the solvent recovery tower main body (1), the solvent recovery tower main body (1) is fixedly connected with the secondary fluidization support (2), a tower top gas collection pipeline (6) is arranged at the upper end of the secondary fluidization support (2), the tower top gas collection pipeline (6) is fixedly connected with the secondary fluidization support (2), an external support (7) is arranged outside the tower top gas collection pipeline (6), the external support (7) is fixedly connected with the tower top gas collection pipeline (6), and a guide cylinder (10) is arranged inside the tower top gas collection pipeline (6);
the heating plate (9) is arranged in the outer support (7), the outer support (7) is fixedly connected with the heating plate (9), the heat preservation layer (8) is arranged on the outer portion of the outer support (7), the heat preservation layer (8) is fixedly connected with the outer support (7), the heat exchange support (3) is arranged in the secondary fluidization support (2), and the heat exchange support (3) is fixedly connected with the secondary fluidization support (2).
2. A solvent recovery column overhead gas recovery apparatus according to claim 1, wherein: the lower end of the tower top gas collecting pipeline (6) is provided with a gas-liquid separator (11), and the gas-liquid separator (11) is fixedly connected with the tower top gas collecting pipeline (6).
3. A solvent recovery column overhead gas recovery apparatus according to claim 1, wherein: the inside of the heat exchange bracket (3) is provided with a heat exchange groove (12).
4. A solvent recovery column overhead gas recovery apparatus according to claim 1, wherein: liquid discharge pipelines (4) are arranged on two sides of the heat exchange support (3), and the liquid discharge pipelines (4) are fixedly connected with the heat exchange support (3).
5. A solvent recovery column overhead gas recovery apparatus according to claim 1, wherein: the two sides of the upper end of the heat exchange support (3) are provided with hot liquid inlet pipes (5), and the hot liquid inlet pipes (5) are welded with the heat exchange support (3).
6. A solvent recovery column overhead gas recovery apparatus according to claim 1, wherein: the outside of heat exchange support (3) is provided with exhaust through-hole (16), exhaust through-hole (16) are provided with a plurality of.
7. A solvent recovery column overhead gas recovery apparatus according to claim 1, wherein: the upper end of the heat exchange bracket (3) is provided with a tower top gas outlet (13).
8. A solvent recovery column overhead gas recovery apparatus according to claim 2, wherein: the lower extreme of gas-liquid separator (11) is installed separation liquid exhaust pipe (14), separation liquid exhaust pipe (14) and gas-liquid separator (11) fixed connection, exhaust pipe (15) are installed to one side of gas-liquid separator (11), exhaust pipe (15) and gas-liquid separator (11) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223374604.1U CN219103798U (en) | 2022-12-15 | 2022-12-15 | Tower top gas recovery device of solvent recovery tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223374604.1U CN219103798U (en) | 2022-12-15 | 2022-12-15 | Tower top gas recovery device of solvent recovery tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219103798U true CN219103798U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223374604.1U Active CN219103798U (en) | 2022-12-15 | 2022-12-15 | Tower top gas recovery device of solvent recovery tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219103798U (en) |
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2022
- 2022-12-15 CN CN202223374604.1U patent/CN219103798U/en active Active
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