CN107551593B - Air-lift reboiler and absorption device - Google Patents
Air-lift reboiler and absorption device Download PDFInfo
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- CN107551593B CN107551593B CN201710940291.6A CN201710940291A CN107551593B CN 107551593 B CN107551593 B CN 107551593B CN 201710940291 A CN201710940291 A CN 201710940291A CN 107551593 B CN107551593 B CN 107551593B
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Abstract
The invention provides a gas stripping reboiler and an absorption device, and relates to the technical field of gas separation. The gas stripping reboiler comprises a shell, a gas stripping gas pipeline, a lean solution overflow pipe for outputting lean solution, a heating component and a gas stripping compartment which is arranged in the shell and filled with filler, wherein the heating component is arranged in the shell and outside the gas stripping compartment, a gas-liquid channel communicated with a space where the heating component is arranged at the top of the gas compartment, and the outlet end of the gas stripping gas pipeline and the inlet end of the lean solution overflow pipe are both arranged at the bottom in the gas stripping compartment. The stripping compartment is arranged in the stripping reboiler, so that the stripping process is completed, the gas-liquid separation is improved, and the equipment volume is reduced. The absorption device comprises the gas stripping reboiler, and in the regeneration process of the absorbent, the gas stripping process is carried out through the gas stripping compartment filled with the filler, so that the volume of the equipment is reduced.
Description
Technical Field
The invention relates to the technical field of gas separation, in particular to a gas stripping type reboiler and an absorption device.
Background
The stripping reboiler is a heat exchange device for vaporizing the liquid again, and is often used in conjunction with a fractionation column. The material level in the stripping reboiler and the rectification column level are at the same height, and the liquid phase is provided from the bottom line into the stripping reboiler. Part of liquid phase in the stripping reboiler is vaporized, steam rises into the rectifying column, the liquid phase from top to bottom of the rectifying column is heated by the steam, part of water vapor is evaporated, and the water vapor is continuously evaporated after entering the stripping reboiler.
However, the conventional stripping reboiler has a problem that the volume is large and the liquid is liable to be back mixed in the process of flowing in the stripping reboiler.
Disclosure of Invention
The invention aims to provide a gas stripping reboiler, which can ensure gas-liquid separation efficiency and reduce the volume of equipment.
Another object of the present invention is to provide an absorption apparatus including the above-mentioned stripping reboiler, which can reduce the volume of the equipment while ensuring the gas-liquid separation efficiency in the regeneration process of the absorption liquid.
The invention is realized in the following way:
the utility model provides a gas stripping formula reboiler, includes casing, gas stripping gas pipeline, is used for exporting lean solution overflow pipe, heating element and sets up in the casing and pack the gas stripping compartment that has the filler, and heating element sets up in the casing and arranges in the gas stripping compartment outside, and the top of gas compartment is provided with the gas-liquid channel with heating element place space intercommunication, and the exit end of gas stripping gas pipeline and the entrance end of lean solution overflow pipe all set up in the bottom in the gas stripping compartment.
Further, in a preferred embodiment of the present invention, the inlet end of the lean solution overflow pipe is lower than the outlet end of the stripping gas pipe.
Further, in a preferred embodiment of the invention, a gas distributor is arranged at the bottom of the stripping compartment, the inlet of the gas distributor being in communication with the outlet end of the stripping gas conduit.
Further, in a preferred embodiment of the present invention, the gas distributor includes a branch pipe and a dispersion ball, the branch pipe is communicated with the outlet end of the stripping gas pipe, the dispersion ball is disposed at one end of the branch pipe near the bottom wall of the stripping compartment, and the dispersion ball is higher than the inlet end of the lean liquid overflow pipe.
Further, in a preferred embodiment of the present invention, the gas-stripping reboiler further includes a baffle disposed between the gas-stripping compartment and the heating element, wherein a gas-phase channel is formed between the top of the baffle and the top wall of the housing, and a liquid-phase channel is formed between the bottom of the baffle and the bottom wall of the housing.
Further, in a preferred embodiment of the present invention, the gas-liquid passage is located on a baffle plate at one end of the stripping compartment near the heating element.
Further, in a preferred embodiment of the present invention, the gas-liquid channel is a plurality of strip-shaped holes.
Further, in a preferred embodiment of the present invention, the width of the gas-liquid channel is larger than the width of the gas-phase channel.
Further, in a preferred embodiment of the invention, a manhole is provided at the top of the stripping compartment.
An absorption device comprises an absorption tower, a rectifying column and the air-stripping reboiler, wherein the air-stripping reboiler is communicated with the bottom end of the rectifying column, and the outlet end of a lean solution overflow pipe is communicated with a lean solution inlet of the absorption tower.
The beneficial effects of the invention are as follows: according to the gas stripping type reboiler obtained through the design, the gas stripping compartment is arranged in the cavity of the gas stripping type reboiler, the packing is filled in the gas stripping compartment, the outlet end of the gas stripping gas pipeline is arranged above the floor of the gas stripping compartment, and the volume of equipment is reduced through the integration of the equipment while the gas-liquid separation effect is ensured. The invention also provides an absorption device, which comprises the stripping reboiler, wherein the stripping compartment is arranged in a cavity of the stripping reboiler by carrying out the stripping process in the stripping compartment filled with the filler, and the volume of equipment is reduced by arranging and integrating, so that the installation and the transportation are convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a stripping reboiler according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of the baffle of FIG. 1;
FIG. 3 is a schematic diagram of the distributor of FIG. 1;
FIG. 4 is a schematic diagram of a stripping reboiler according to embodiment 2 of the present invention;
FIG. 5 is a schematic view of the baffle of FIG. 4;
FIG. 6 is a schematic view of the structure of the baffle of FIG. 4;
fig. 7 is a schematic structural view of an absorption apparatus according to embodiment 2 of the present invention.
Icon: 100 a-a stripping reboiler; 100 b-a stripping reboiler; 110-stripping gas pipeline; 112-an outlet end; 120-heating means; 130-a stripping compartment; 140-lean solution overflow pipe; 142-an inlet end; 144-outlet end; 150-a deflector; 152-gas phase passage; 154-liquid phase channel; 160-baffle plates; 162-via; 164-gas-liquid passage; 170-manhole; 180-distributor; 181-branch pipes; 182-dispersion balls; 190-a housing; 200-an absorption device; 210-an absorption column; 220-a rectification column; 222-rich liquor inlet; 122-heat source inlet; 240-lean-rich liquid heat exchanger; 250-lean liquid pump; 212-a feed gas inlet; 214-a rich liquid outlet; 216-lean liquid inlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1, the present embodiment provides a stripping reboiler 100a, which includes a housing 190, a stripping gas pipe 110, a lean solution overflow pipe 140 for outputting lean solution, a heating component 120, and a stripping compartment 130 disposed in the housing 190 and filled with a filler, wherein the heating component 120 is disposed in the housing 190 and disposed outside the stripping compartment 130. The top of the stripping compartment 130 is provided with a gas-liquid channel 164 communicating with the space where the heating element 120 is located, and the outlet end 112 of the stripping gas pipe 110 and the inlet end 142 of the lean liquid overflow pipe 140 are both arranged at the bottom inside the stripping compartment 130.
The stripping compartment 130 is disposed in the stripping reboiler 100a, so as to complete the stripping process, reduce the volume of the apparatus, and facilitate the installation and transportation of the apparatus. The packing is filled in the stripping compartment 130, so that the contact area of the gas and the liquid is increased, the gas-liquid separation effect is improved, the components to be separated in the regenerated liquid to be regenerated in the stripping reboiler 100a are better separated, and the purity of the regenerated liquid output from the lean liquid overflow pipe 140 is improved. Specifically, the liquid entering the stripping reboiler 100a is warmed by the stripping reboiler 100a so that the components to be separated therein enter the gas phase, the purity of the liquid phase components is raised to be regenerated, and the liquid outputted from the lean liquid overflow pipe 140 is referred to as a regenerated liquid.
Specifically, the packing material filled in the stripping compartment 130 may be pall rings or raschig rings, etc. Preferably, the high-efficiency filler with the specific surface area larger than 300, such as 250Y-shaped filler or theta-ring, can increase the contact area of gas and liquid phases to a larger extent, and strengthen the stripping process.
Specifically, the stripping gas pipeline 110 is used for conveying stripping gas in the gas stripping process, and after the temperature of the stripping gas pipeline 110 is raised through the space where the heating component 120 is located, components to be separated in liquid in the gas stripping process are favorably separated, so that the purity of the regenerated liquid is improved. The heating unit 120 has the same structure and operation principle as the existing heat exchanger for heating the gas phase and the liquid phase, and will not be described in detail herein.
Specifically, the lean liquid overflow pipe 140 is used for conveying the regenerated liquid out of the stripping reboiler 100a, the inlet end 142 of the lean liquid overflow pipe 140 is arranged at the bottom of the stripping compartment 130, extends from the inlet end 142 to the top of the stripping compartment 130 and is generally not higher than the liquid level of the liquid in the stripping reboiler 100a, and the liquid in the stripping compartment 130 enters the inlet end 142 of the lean liquid overflow pipe 140 and is conveyed out of the stripping reboiler 100a by the driving force of the liquid level difference. After bending at the top of the stripping compartment 130, the lean liquid overflow pipe 140 extends out from the side wall of the stripping compartment 130, and the regenerated liquid is transported to the next section.
Further, the inlet end 142 of the lean liquid overflow pipe 140 is lower than the outlet end 112 of the stripping gas conduit 110. In order to prevent the stripping gas output from the stripping gas conduit 110 from entering the lean liquid overflow pipe 140, it is necessary to make the position of the inlet end 142 of the lean liquid overflow pipe 140 lower than the outlet end 112 of the stripping gas conduit 110.
Further, a manhole 170 is provided at the top of the stripping compartment 130. The provision of the manhole 170 may facilitate filling of the packing and maintenance of the equipment by the operator.
Further, referring to fig. 1 and 2, the gas-liquid passage 164 is located in the stripping chamber 130 near the baffle 160 at one end of the heating element 120. The stripping compartment 130 may be disposed at one end of the housing 190, the stripping compartment 130 being defined by a top wall, a bottom wall, side walls of the housing 190 and the baffle 160, with the gas-liquid passage 164 being located at an end of the baffle 160 near the top of the housing 190. Specifically, the gas-liquid passage 164 is a cavity provided in the baffle 160, and both the liquid within the housing 190 and the stripping gas conduit 110 may pass through the gas-liquid passage 164 into the stripping compartment 130, with the gas within the stripping compartment 130 exiting the stripping compartment 130 from the gas-liquid passage 164. In addition, the baffle 160 is in a sealed plate-like configuration elsewhere in the gas-liquid passage 164, allowing liquid within the housing 190 to enter the stripping compartment 130 from the gas-liquid passage 164.
Further, referring again to fig. 1, a gas distributor 180 is disposed at the bottom of the stripping compartment 130, and the inlet of the gas distributor 180 communicates with the outlet end 112 of the stripping gas conduit 110. The gas distributor 180 is arranged to uniformly distribute the gas conveyed by the stripping gas pipeline 110 in the stripping compartment 130 after outputting the gas, and better contact the liquid, so as to promote the stripping process to be better carried out and achieve the aim of improving the purity of the regenerated liquid.
Further, referring to fig. 1 and 3, the gas distributor 180 includes a branch pipe 181 and a dispersion ball 182, the branch pipe 181 is communicated with the outlet end 112 of the gas stripping gas pipe 110, the dispersion ball 182 is disposed at one end of the branch pipe 181 near the bottom wall of the gas stripping compartment 130, and the dispersion ball 182 is higher than the inlet end 142 of the lean liquid overflow pipe 140. The gas output from the stripping gas conduit 110 enters the manifold 181 of the gas distributor 180 and enters the liquid in the stripping compartment 130 from the dispersion balls 182, creating bubbles which enhance the contact of the gas with the liquid, allowing the stripping action to be more efficient.
It should be noted that, the working principle of the stripping reboiler 100b provided in this embodiment is as follows: after the temperature of the stripping gas pipe 110 is raised, the liquid enters the bottom of the stripping compartment 130 through the gas-liquid channel 164, is used for providing the stripping gas, and the liquid needing to be regenerated enters the shell 190 and then enters the stripping compartment 130 through the gas-liquid channel 164. The gas and liquid are fully contacted in the gas stripping compartment 130 filled with the filling material, and the introduction of the gas stripping gas reduces the partial pressure of the components to be separated in the gas phase in the liquid, promotes the components to be separated from the liquid and enter the gas phase, and improves the separation efficiency of the components to be separated.
Example 2
Referring to fig. 4, the stripping reboiler 100b according to the present embodiment has the same principle and technical effects as those of embodiment 1, and for brevity, reference is made to the corresponding contents of embodiment 1. Except that the stripping reboiler 100b provided in this embodiment further includes a baffle 150.
Specifically, referring to fig. 5, a baffle 150 is disposed between the stripping compartment 130 and the heating element 120, a gas phase channel 152 is formed between the top of the baffle 150 and the top wall of the housing 190, and a liquid phase channel 154 is formed between the bottom of the baffle 150 and the bottom wall of the housing 190. The stripping gas line 110 passes through the gas phase passage 152 at the top of the baffle 150 and then through the baffle 160 to the stripping compartment 130. Liquid in the shell 190 and outside the stripping compartment 130 passes through the liquid phase channel 154 at the bottom of the baffle 150 and then enters the stripping compartment 130 through the gas-liquid channel 164 on the baffle 160, so that back mixing is reduced in the process, and the liquid entering the shell 190 is heated by the heating component 120 for a certain time and then enters the stripping compartment 130 for stripping, instead of entering the stripping compartment 130 at a high liquid level as in embodiment 1, the liquid at the bottom is heated for a longer time, and the temperature difference is larger, which is unfavorable for the stripping process. Thus, the provision of the baffle 150 reduces the occurrence of back mixing and improves the stripping effect to some extent.
Referring to fig. 6, the gas-liquid channel 164 is a plurality of strip-shaped holes. The gas-liquid passage 164 is provided in the form of a plurality of strip-shaped holes instead of the cavity in embodiment 1, which enhances the gas-liquid contact during the gas and liquid passing through the gas-liquid passage 164, and is beneficial to the gas stripping process and the recovery liquid with higher purity.
Further, a through hole 162 for the air-stripping gas conduit 110 to enter the stripping compartment 130 is also provided at the end of the baffle 160 near the top of the housing 190. Specifically, the size of the through-holes 162 matches the size of the stripper gas conduit 110.
Further, in conjunction with fig. 5 and 6, the width of the gas-liquid channel 164 is greater than the width of the gas-phase channel 152. The gas-liquid channel 164 is a channel through which gas and liquid flow, and the gas-phase channel 152 is a channel through which only gas phase flows, so that the flow space provided by the gas-liquid channel 164 is larger than the flow space provided by the gas-phase channel 152. In addition, the larger the flow space provided by the gas-liquid channel 164, the flow rate of the gas phase and the liquid phase can be reduced to a certain extent, the contact time of the gas phase and the liquid phase can be increased, and the stripping effect can be enhanced.
It should be noted that, the working principle of the stripping reboiler 100b provided in this embodiment is as follows: after the temperature of the gas in the stripping gas pipeline 110 is raised, the gas enters the stripping compartment 130 through the gas phase channel 152 and the gas-liquid channel 164, and is bubbled through the dispersing ball 182 end of the distributor 180 and enters the liquid phase; liquid enters the housing 190 to warm up and enters the stripping compartment 130 through the liquid phase passage 154 and the gas-liquid passage 164; the gas-liquid phase in the packing layer of the stripping compartment 130 is fully contacted, the introduction of the stripping gas reduces the partial pressure of the components to be separated in the gas phase in the liquid, promotes the separation of the components to be separated from the liquid, and the regenerated liquid with higher purity is led out from the lean liquid overflow pipe 140.
Referring to fig. 7, the present invention further provides an absorption apparatus 200, which includes an absorption tower 210, a rectifying column 220 and a stripping reboiler 100b, wherein the stripping reboiler 100b is communicated with the bottom end of the rectifying column 220, and the outlet end 144 of the lean solution overflow pipe 140 is communicated with the lean solution inlet 216 of the absorption tower 210.
Specifically, the raw material mixed gas enters from the raw material gas inlet 212 of the absorption tower 210, the absorbent enters the absorption tower 210 from the lean solution inlet 216, the absorbent absorbs the easily absorbable components in the raw material gas in the absorption tower 210, the absorbed rich solution is output from the rich solution outlet 214 to enter the rich solution inlet 222 of the rectification column 220, the regeneration process of the absorbent is performed in the rectification column 220, the liquid at the bottom of the rectification column 220 enters the stripping reboiler 100b to complete the stripping process, the purer absorbent is output from the lean solution overflow pipe 140 as the lean solution, and is conveyed to the absorption tower 210 by the lean solution pump 250 for the next stage of absorption process.
The lean-rich liquid heat exchanger 240 may be added to exchange heat between the lean liquid output from the stripping reboiler 100b and the rich liquid output from the rich liquid outlet 214. The heat source inlet 122 is a medium for raising the temperature to be fed to the gas-stripping reboiler 100b, and the gas-stripping reboiler 100b has the same heating system as the conventional one. In addition, the absorption column 210 and the rectification column 220 are the same as the existing structure and working principle, and the process flow can be optimized for improving the separation efficiency.
It should be noted that, in the regeneration process of the absorbent, the absorption device 200 adds the stripping compartment 130 filled with the filler, enhances the separation of the absorbent and the easily absorbable component in the stripping process, improves the purity of the regenerated lean solution, and ensures the absorption efficiency in the absorption process of the next stage in comparison.
In summary, the present invention provides a stripping reboiler, which performs a stripping process in a stripping compartment filled with a packing, and the stripping compartment is disposed in a cavity of the stripping reboiler, so that the volume of the device is reduced while ensuring a gas-liquid separation effect; the inlet end of the lean solution overflow pipe is lower than the outlet end of the gas stripping pipeline, so that the gas for gas stripping output from the gas stripping pipeline is prevented from entering the lean solution overflow pipe; the gas distributor comprises branch pipes and dispersion balls, and the contact between the gas and the liquid is enhanced by generating bubbling, so that the stripping action is more effectively performed; the arrangement of the guide plate reduces the generation of back mixing, improves the stripping effect to a certain extent, and ensures that the purity of the regenerated liquid is higher. The invention also provides an absorption device which comprises the stripping reboiler, wherein in the regeneration process of the absorbent, the stripping process is carried out through the stripping compartment filled with the filler, so that the separation of the absorbent and the easily-absorbed components is enhanced, and the purity of the regenerated lean solution is improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a gas stripping formula reboiler, its characterized in that includes casing, gas stripping gas pipeline, is used for exporting lean solution overflow pipe, heating element and setting are in just pack the gas stripping compartment of packing in the casing, heating element set up in the casing and arrange in outside the gas stripping compartment, the top of gas stripping compartment be provided with the gas-liquid passageway of heating element place space intercommunication, gas stripping gas pipeline's exit end with lean solution overflow pipe's entrance point all set up in bottom in the gas stripping compartment.
2. The stripping reboiler as recited in claim 1, wherein an inlet end of the lean liquid overflow pipe is lower than an outlet end of the stripping gas line.
3. A stripping reboiler as claimed in claim 1, wherein a gas distributor is provided at the bottom of the stripping compartment, the inlet of the gas distributor being in communication with the outlet end of the stripping gas conduit.
4. A stripping reboiler according to claim 3, wherein the gas distributor comprises a branch pipe and a dispersion ball, the branch pipe being in communication with the outlet end of the stripping gas conduit, the dispersion ball being arranged at the end of the branch pipe near the bottom wall of the stripping compartment, and the dispersion ball being higher than the inlet end of the lean liquid overflow pipe.
5. The gas-lift reboiler of claim 1, further comprising a baffle disposed between the gas-lift compartment and the heating element, wherein a gas-phase passage is formed between a top of the baffle and a top wall of the housing, and wherein a liquid-phase passage is formed between a bottom of the baffle and a bottom wall of the housing.
6. The gas-lift reboiler of claim 5 wherein said gas-liquid passage is located on a baffle at an end of said gas-lift compartment adjacent said heating element.
7. The gas-lift reboiler of claim 6, wherein the gas-liquid passage is a plurality of bar-shaped holes.
8. The gas-lift reboiler of claim 7, wherein the width of the gas-liquid passage is greater than the width of the gas-phase passage.
9. A stripping reboiler as claimed in claim 1, characterized in that a manhole is provided at the top of the stripping compartment.
10. An absorption apparatus comprising an absorption column, a rectification column and the stripping reboiler of any one of claims 1-9, wherein the stripping reboiler is in communication with the bottom end of the rectification column, and the outlet end of the lean liquid overflow pipe is in communication with the lean liquid inlet of the absorption column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940291.6A CN107551593B (en) | 2017-10-11 | 2017-10-11 | Air-lift reboiler and absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940291.6A CN107551593B (en) | 2017-10-11 | 2017-10-11 | Air-lift reboiler and absorption device |
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| Publication Number | Publication Date |
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| CN107551593A CN107551593A (en) | 2018-01-09 |
| CN107551593B true CN107551593B (en) | 2023-09-26 |
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| CN201710940291.6A Active CN107551593B (en) | 2017-10-11 | 2017-10-11 | Air-lift reboiler and absorption device |
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| CN1277150A (en) * | 1999-06-10 | 2000-12-20 | 普拉塞尔技术有限公司 | Recovery of carbon dioxide with compound amine blend |
| CN202078765U (en) * | 2011-03-01 | 2011-12-21 | 天津市创举科技有限公司 | Stripping tower |
| CN102405275A (en) * | 2009-04-20 | 2012-04-04 | 埃克森美孚上游研究公司 | Cryogenic system for removing acid gases from a hyrdrocarbon gas stream, and method of removing acid gases |
| CN105823303A (en) * | 2015-01-23 | 2016-08-03 | 气体产品与化学公司 | Improved separation of heavy hydrocarbons and NGLs from natural gas, and in integration with liquefaction of natural gas |
| CN105861089A (en) * | 2016-06-17 | 2016-08-17 | 中石化节能环保工程科技有限公司 | Gas-phase concentration type triethylene glycol dehydration regeneration system |
| CN207371134U (en) * | 2017-10-11 | 2018-05-18 | 成都赛普瑞兴科技有限公司 | A kind of gas stripping type reboiler and absorption plant |
-
2017
- 2017-10-11 CN CN201710940291.6A patent/CN107551593B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277150A (en) * | 1999-06-10 | 2000-12-20 | 普拉塞尔技术有限公司 | Recovery of carbon dioxide with compound amine blend |
| CN102405275A (en) * | 2009-04-20 | 2012-04-04 | 埃克森美孚上游研究公司 | Cryogenic system for removing acid gases from a hyrdrocarbon gas stream, and method of removing acid gases |
| CN202078765U (en) * | 2011-03-01 | 2011-12-21 | 天津市创举科技有限公司 | Stripping tower |
| CN105823303A (en) * | 2015-01-23 | 2016-08-03 | 气体产品与化学公司 | Improved separation of heavy hydrocarbons and NGLs from natural gas, and in integration with liquefaction of natural gas |
| CN105861089A (en) * | 2016-06-17 | 2016-08-17 | 中石化节能环保工程科技有限公司 | Gas-phase concentration type triethylene glycol dehydration regeneration system |
| CN207371134U (en) * | 2017-10-11 | 2018-05-18 | 成都赛普瑞兴科技有限公司 | A kind of gas stripping type reboiler and absorption plant |
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|---|---|
| CN107551593A (en) | 2018-01-09 |
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