CN203389503U - Residual pressure energy recovery system for rich liquor of absorption tower - Google Patents
Residual pressure energy recovery system for rich liquor of absorption tower Download PDFInfo
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- CN203389503U CN203389503U CN201320387982.5U CN201320387982U CN203389503U CN 203389503 U CN203389503 U CN 203389503U CN 201320387982 U CN201320387982 U CN 201320387982U CN 203389503 U CN203389503 U CN 203389503U
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- absorption tower
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- pressure energy
- rich solution
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Abstract
The utility model discloses a residual pressure energy recovery system for rich liquor of an absorption tower. The system comprises the absorption tower containing the rich liquor and a regenerating tower containing semi-lean liquor, wherein the regenerating tower is connected with the absorption tower through a pipeline; a semi-lean liquor pump for pressurizing and delivering the semi-lean liquor to the absorption tower is arranged between the regenerating tower and the absorption tower, and is driven by a turbine; an inlet of the turbine is connected with the absorption tower through a pipeline, and an outlet of the turbine is connected with the regenerating tower through a pipeline. According to the residual pressure energy recovery system with the structure for the rich liquor of the absorption tower, the rich liquor originally to be decompressed is used for driving the semi-lean liquor pump originally with a requirement on additional power, and the residual pressure of the rich liquor is fully utilized, so that the aims of energy conservation and efficacy enhancement are fulfilled.
Description
Technical field
The utility model relates to a kind of absorption tower rich solution overbottom pressure energy-recuperation system.
Background technology
Decarbonization, desulfuration absorption tower under high pressure absorbs conventionally, the rich solution that contains CO2 and H2S gas after absorbing is regeneration semi lean solution under normal pressure, thereby enter absorption tower after need to the semi lean solution after regeneration being forced into high pressure with semi-leanpump, so solution circulation pump lift is higher, power of motor is larger, need to consume a large amount of energy.And the rich solution that leaves absorption tower enters regenerative system conventionally after pressure-reducing valve is down to lower pressure, caused so again the waste of high pressure rich solution pressure energy.
Utility model content
For the technical problem of above-mentioned existence, the utility model provides a kind of absorption tower rich solution overbottom pressure energy-recuperation system, utilizes rich solution pressure to drive semi-leanpump.Neither waste the energy of rich solution, do not need again extra power to drive semi-leanpump.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A rich solution overbottom pressure energy-recuperation system, comprises the absorption tower of splendid attire rich solution and the regenerator of splendid attire semi lean solution; Described regenerator is connected by pipeline with absorption tower; Between regenerator and absorption tower, be provided with for the semi-leanpump to absorption tower by semi lean solution pressurized delivered; Described semi-leanpump is driven by turbine; Described turbine import is connected with absorption tower by pipeline, and turbine outlet is connected with regenerator by pipeline.
As a kind of improvement, also comprise that one for by absorption tower and the direct-connected bypass circulation of regenerator; Described bypass circulation front end is connected with the pipeline before turbine, and rear end is connected with regenerator; On bypass circulation, be provided with control valve; Also comprise that described speed probe is connected with controller for detecting the speed probe of turbine impeller rotating speed; Described controller is connected with control valve.Utilize bypass circulation to regulate the rotating speed of turbine, do not interfere with semi-leanpump.By the rotating speed of speed probe perception turbine, and transmit signals to controller.The aperture of recycling controller control and regulation valve, thus the rich solution flow through turbine regulated, to reach the object of controlling turbine rotating speed.
As above-mentioned improvement, further improve, on the pipeline before described turbine, be provided with control valve, described control valve is connected with controller.More accurate adjusting passed through the rich solution flow of turbine.
As above-mentioned improvement another kind, further improve, on the pipeline before described bypass circulation and turbine, be all provided with stop valve.For manual-lock whole system, convenient maintenance.
As above-mentioned improvement another kind, further improve, the control valve on described bypass circulation is in parallel two.Utilize two control valves to coordinate, by the rich solution flow on adjusting bypass circulation, regulate the rotating speed of turbine.
As a kind of preferred, described turbine utilizes shaft coupling to be connected with semi-leanpump.
Usefulness of the present utility model is:
The absorption tower rich solution overbottom pressure energy-recuperation system with said structure, utilizes the rich solution that needs pressure release originally, drives the semi-leanpump that needs extra power originally.Take full advantage of the overbottom pressure of rich solution, reached the object of energy efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark in figure: 1 absorption tower, 2 regenerators, 3 semi-leanpumps, 4 turbines, 5 shaft couplings, 6 speed probes, 7 controllers, 8 control valves, 9 control valves, 10 stop valves, 11 bypass circulations.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1:
The utility model comprises the absorption tower 1 of splendid attire rich solution and the regenerator 2 of splendid attire semi lean solution; Described regenerator 2 is connected by pipeline with absorption tower 1; Between regenerator 2 and absorption tower 1, be provided with for by semi lean solution pressurized delivered to absorption tower 1 semi-leanpump 3; Described semi-leanpump 3 is driven by turbine 4, between semi-leanpump 3 and turbine 4, preferably by shaft coupling 5, is connected; Described turbine 4 imports are connected with absorption tower 1 by pipeline, and turbine 4 outlets are connected with regenerator 2 by pipeline.Also comprise that one for by absorption tower 1 and the direct-connected bypass circulation 11 of regenerator 2; Described bypass circulation 11 front ends are connected with the pipeline before turbine 4, and rear end is connected with regenerator 2; On bypass circulation 11, be provided with control valve 8, be preferably in parallel two; Also comprise that described speed probe 6 is connected with controller 7 for detecting the speed probe 6 of turbine 4 wheel speeds; Described controller 7 is connected with control valve 8.On pipeline before described turbine 4, also can be provided with control valve 9, described control valve 9 is connected with controller 7.On pipeline before bypass circulation 11 and turbine 4, can all be provided with stop valve 10.
High pressure rich solution in absorption tower 1 enters the regenerator 2 of low pressure after turbine 4, and the pressure energy of liquid is converted into rotating mechanical energy output thus, then drives semi-leanpump 3 that semi lean solution in regenerator 2 is transported to absorption tower 1.The tach signal of turbine 4 outputs, by speed probe 6 Gather and inputs, to controller 7, then controller 7, according to the program output control signal of setting, in order to control to adjust the aperture of valve 8 and control valve 9, reaches and controls the flow that rich solution enters turbine 4; This control valve 8 is arranged on the bypass circulation 11 before turbine 4, and control valve 9 is arranged on the pipeline before turbine for controlling the flow of the turbine of flowing through.At turbine 4 rotating speeds higher than when setting value, by tach signal, by controller 7 control and regulation valves 8, increase aperture, control and regulation valve 9 reduces aperture, the flow that makes rich solution flow into regenerator 2 by bypass circulation increases, the flow that corresponding rich solution enters turbine 4 just reduces, thereby the rotating speed of turbine 4 is reduced.On the contrary at turbine 4 rotating speeds lower than when setting value, by tach signal, by controller 7 control and regulation valves 8, reduce aperture, control and regulation valve 9 increases aperture, the flow that makes rich solution pass through bypass circulation 11 inflow regenerators 2 reduces, the flow that corresponding rich solution enters turbine 4 just increases, thereby the rotating speed of turbine 4 is improved.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1.Yi Zhong absorption tower rich solution overbottom pressure energy-recuperation system, comprises the absorption tower of splendid attire rich solution and the regenerator of splendid attire semi lean solution; Described regenerator is connected by pipeline with absorption tower; Between regenerator and absorption tower, be provided with for the semi-leanpump to absorption tower by semi lean solution pressurized delivered; It is characterized in that: described semi-leanpump is driven by turbine; Described turbine import is connected with absorption tower by pipeline, and turbine outlet is connected with regenerator by pipeline.
2. a kind of absorption tower according to claim 1 rich solution overbottom pressure energy-recuperation system, is characterized in that: also comprise that one for by absorption tower and the direct-connected bypass circulation of regenerator; Described bypass circulation front end is connected with the pipeline before turbine, and rear end is connected with regenerator; On bypass circulation, be provided with control valve; Also comprise that described speed probe is connected with controller for detecting the speed probe of turbine impeller rotating speed; Described controller is connected with control valve.
3. a kind of absorption tower according to claim 2 rich solution overbottom pressure energy-recuperation system, is characterized in that: on the pipeline before described turbine, be provided with control valve, described control valve is connected with controller.
4. a kind of absorption tower according to claim 2 rich solution overbottom pressure energy-recuperation system, is characterized in that: on the pipeline before described bypass circulation and turbine, be all provided with stop valve.
5. a kind of absorption tower according to claim 2 rich solution overbottom pressure energy-recuperation system, is characterized in that: the control valve on described bypass circulation is two of parallel connection.
6. a kind of absorption tower according to claim 1 rich solution overbottom pressure energy-recuperation system, is characterized in that: described turbine utilizes shaft coupling to be connected with semi-leanpump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387982.5U CN203389503U (en) | 2013-07-02 | 2013-07-02 | Residual pressure energy recovery system for rich liquor of absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387982.5U CN203389503U (en) | 2013-07-02 | 2013-07-02 | Residual pressure energy recovery system for rich liquor of absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203389503U true CN203389503U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320387982.5U Expired - Lifetime CN203389503U (en) | 2013-07-02 | 2013-07-02 | Residual pressure energy recovery system for rich liquor of absorption tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111808644A (en) * | 2020-07-06 | 2020-10-23 | 中国石油天然气集团公司 | Method and device for recovering rich liquid energy in decarburization production of natural gas purification plant |
| CN113041799A (en) * | 2021-03-12 | 2021-06-29 | 中国华能集团清洁能源技术研究院有限公司 | IGCC-based pre-combustion CO2Pressure energy recovery device of trapping system |
-
2013
- 2013-07-02 CN CN201320387982.5U patent/CN203389503U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111808644A (en) * | 2020-07-06 | 2020-10-23 | 中国石油天然气集团公司 | Method and device for recovering rich liquid energy in decarburization production of natural gas purification plant |
| CN113041799A (en) * | 2021-03-12 | 2021-06-29 | 中国华能集团清洁能源技术研究院有限公司 | IGCC-based pre-combustion CO2Pressure energy recovery device of trapping system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
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| CX01 | Expiry of patent term |