CN217490401U - Online cleaning device for desulfurization limestone slurry pipeline - Google Patents
Online cleaning device for desulfurization limestone slurry pipeline Download PDFInfo
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- CN217490401U CN217490401U CN202123154295.2U CN202123154295U CN217490401U CN 217490401 U CN217490401 U CN 217490401U CN 202123154295 U CN202123154295 U CN 202123154295U CN 217490401 U CN217490401 U CN 217490401U
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Abstract
The utility model relates to a lime stone-gypsum wet flue gas desulfurization discloses a desulfurization limestone slurry pipeline online cleaning device, including first confession thick liquid pipeline, second confession thick liquid pipeline, to absorption tower pipeline and washing pipeline, first confession thick liquid pipeline intercommunication has first limestone slurry case and first thick liquid pump, second confession thick liquid pipeline intercommunication has second limestone slurry case and second thick liquid pump, first confession thick liquid pipeline with the end of second confession thick liquid pipeline through the three-way pipe with to absorption tower pipeline intercommunication, the other end to absorption tower pipeline with the absorption tower intercommunication, the one end of washing pipeline through the three-way pipe with first confession thick liquid pipeline with the second confession thick liquid pipeline intercommunication, and connect respectively in the front end of first thick liquid pump with the second thick liquid pump, the other end with to absorption tower pipeline intercommunication; the online cleaning of the slurry supply pipeline can be realized through the device, and the time cost and the labor cost of enterprise operation are solved.
Description
Technical Field
The utility model relates to a lime stone-gypsum wet flue gas desulfurization, in particular to online cleaning device of desulfurization lime stone thick liquid pipeline.
Background
The wet limestone-gypsum method is commonly adopted for desulfurization in thermal power plants, and limestone powder is prepared into slurry and then is conveyed to an absorption tower through a slurry pump. In the long-term operation process, limestone powder deposits on the pipeline hardening and scaling phenomena can occur, the pipeline flow area is reduced, the normal slurry supply of the desulfurization absorption tower is influenced, the pipeline needs to be dismantled for manual cleaning in abnormal conditions, and a large amount of labor and time need to be consumed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a desulfurization limestone slurry pipeline online cleaning device can realize supplying the online cleaning of thick liquid pipeline, has solved the time of enterprise's operation problem with high costs and that the human cost is high.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a desulfurization limestone slurry pipeline online cleaning device, includes:
the first slurry supply pipeline is communicated with a first limestone slurry tank and a first slurry pump;
the second slurry supply pipeline is communicated with a second limestone slurry tank and a second slurry pump;
the other end of the to-absorption tower pipeline is communicated with the absorption tower;
and one end of the cleaning pipeline is communicated with the front ends of the first slurry supply pipeline and the second slurry supply pipeline, and the other end of the cleaning pipeline is communicated with the pipeline of the absorption tower.
In some embodiments of this application, first manual valve and first motorised valve have set gradually along the thick liquid flow direction between first limestone slurry case and the first thick liquid pump, manual valve and the second motorised valve of second have set gradually along the thick liquid flow direction between second limestone slurry case and the second thick liquid pump, first thick liquid pump with the second thick liquid pump with all be provided with the third motorised valve to between the absorption tower pipeline.
In some embodiments of the present application, the first slurry supply pipe and the cleaning pipe communicate through a first connection pipe connected between the first manual valve and the first electric valve; the second slurry supply pipeline is communicated with the cleaning pipeline through a second connecting pipe, and the second connecting pipe is connected between the second manual valve and the second electric valve.
In some embodiments of the present application, a first drug adding pipeline is further communicated between the first connecting pipe and the first slurry pump, and a second drug adding pipeline is further communicated between the second connecting pipe and the second slurry pump.
In some embodiments of the present application, a third manual valve is disposed on each of the first connection pipe and the second connection pipe, and a sixth manual valve is disposed at one end of the purge pipe close to the pipe to the absorption tower.
In some embodiments of the present application, a fourth manual valve and a fifth manual valve are sequentially disposed on the pipeline to the absorption tower, and the purge pipeline is connected between the fourth manual valve and the fifth manual valve.
In some embodiments of the present application, a filter and a cleaning tank are disposed on the cleaning pipe.
In some embodiments of the present application, the washing tank is connected with a water pipe communicating with an external water source and a sewage pipe for discharging sewage.
The method has the advantages that the cleaning pipeline is additionally arranged on the pipeline for conveying the slurry, so that each slurry supply pipeline and the pipeline to the absorption tower can be cleaned on line; the filter and the cleaning box are arranged on the cleaning pipeline, so that the cleaned impurities can be precipitated and filtered, and the cleaning efficiency is improved; by connecting the dosing pipelines to each industrial pipeline, the conventional slurry pump of the system can be used for pumping the medicament into the pipeline for circular cleaning; after the pipeline is cleaned, the sewage can be discharged through the existing sewage discharge pipeline, so that the equipment installation cost is saved; through the application, the pipeline is prevented from being disassembled and assembled firstly, and the time is greatly saved.
Drawings
FIG. 1 is a schematic view of the on-line cleaning device for the desulfurized limestone slurry pipeline of the present invention;
in the figure, 100, a first slurry supply pipeline; 200. a second slurry supply conduit; 300. a pipeline to an absorption column; 400. cleaning a pipeline; 1. a first manual valve; 2. a first electrically operated valve; 3. a first slurry pump; 4. a second manual valve; 5. a second electrically operated valve; 6. a second slurry pump; 7. a third electrically operated valve; 8. a fourth manual valve; 9. a fifth manual valve; 10. a third manual valve; 11. a cleaning tank; 12. a filter; 13. a first dosing pipeline; 14. a second dosing pipeline; 15. a sixth manual valve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1, in some embodiments of the present application, an online cleaning apparatus for a desulfurized limestone slurry pipeline includes a first slurry supply pipeline 100, a second slurry supply pipeline 200, an absorption tower pipeline 300 and a cleaning pipeline 400, wherein one end of the first slurry supply pipeline 100 is communicated with a first limestone slurry tank, one end of the second slurry supply pipeline 200 is communicated with a second limestone slurry tank, the first slurry supply pipeline 100 and the second slurry supply pipeline 200 are respectively provided with a first slurry pump 3 and a second slurry pump 6, the other ends of the first slurry supply pipeline 100 and the second slurry supply pipeline 200 are both communicated with one end of the absorption tower pipeline 300, and the other end of the absorption tower pipeline 300 is communicated with an absorption tower; under the action of the first slurry pump 3 and the second slurry pump 6, the slurries in the first limestone slurry tank and the second limestone slurry tank are respectively conveyed into the absorption tower through the first slurry supply pipeline 100 and the second slurry supply pipeline 200.
One end of the cleaning pipeline 400 is simultaneously communicated with the first slurry supply pipeline 100 and the second slurry supply pipeline 200 and is connected in front of the first slurry pump 3 and the second slurry pump 6, and the other end of the cleaning pipeline 400 is communicated with the pipeline 300 to the absorption tower, so that a circulation loop is formed among the first slurry supply pipeline 100 (and/or the second slurry supply pipeline 200), the cleaning pipeline 400 and the pipeline 300 to the absorption tower, and the cleaning of the first slurry supply pipeline 100, the second slurry supply pipeline 200 and the pipeline 300 to the absorption tower is realized, so that hardening and dirt formed by limestone slurry in the pipelines are reduced.
It should be noted that, in order to facilitate the installation and disassembly of the pipeline, the cleaning pipeline 400, the first slurry supply pipeline 100 and the second slurry supply pipeline 200 are connected and can be connected to the absorption tower pipeline 300, the first slurry supply pipeline 100 and the second slurry supply pipeline 200 through a three-way pipe.
In some embodiments of the present application, a first manual valve 1 and a first electric valve 2 are sequentially disposed between the first limestone slurry tank and the first slurry pump 3 along the slurry flow direction, a second manual valve 4 and a second electric valve 5 are sequentially disposed between the second limestone slurry tank and the second slurry pump 6 along the slurry flow direction, third electric valves 7 are disposed between the first slurry pump 3 and the absorption tower pipeline 300 and between the second slurry pump 6 and the absorption tower pipeline 300, and a fourth manual valve 8 and a fifth manual valve 9 are sequentially disposed on the absorption tower pipeline 300; the flow state of the pipeline can be controlled through the arrangement of the valve, and the pipeline is switched between a cleaning state and a liquid supply state.
In some embodiments of the present application, the first slurry supply pipe 100 is communicated with the washing pipe 400 through a first connection pipe connected between the first manual valve 1 and the first electric valve 2, and the second slurry supply pipe 200 is communicated with the washing pipe 400 through a second connection pipe connected between the second manual valve 4 and the second electric valve 5; when the washing state is entered, the first manual valve 1 and the second manual valve 4 are closed, so that the slurry in the slurry tank is prevented from entering the pipeline, and the first electric valve 2 and the second electric valve 5 are opened to enable the washing system to circulate.
In some embodiments of the present application, a third manual valve 10 is connected to each of the first connection pipe and the second connection pipe, and a sixth manual valve 15 is also provided between the cleaning tank 11 and the pipeline 300 to the absorption tower; when the cleaning system is operated, the third manual valve 10 and the sixth manual valve 15 are opened, and when the liquid supply system is operated, the third manual valve 10 and the sixth manual valve 15 are closed.
In some embodiments of the present application, the first slurry supply pipeline 100 is communicated with a first chemical adding pipeline 13, the first chemical adding pipeline 13 is connected between the first slurry pump 3 and the first electric valve 2, the second slurry supply pipeline 200 is communicated with a second chemical adding pipeline 14, and the second chemical adding pipeline 14 is connected between the first slurry pump 6 and the second electric valve 5; utilize current limestone slurry pump to squeeze into the confession thick liquid pipeline with the medicament from adding the medicine pipeline in, get into in absorption tower pipeline 300 and washing pipeline 400 get back to the confession thick liquid pipeline again in proper order, circulate in proper order and wash the pipeline, wash the medicament and can choose for use citric acid (or hydrochloric acid) etc. and the medicament of calcium carbonate dirt reaction according to system's material.
In the present application, the manual valve and the electric valve may be replaced with other valves as appropriate.
In some embodiments of the present application, the cleaning pipeline 400 is provided with the filter 12 and the cleaning tank 11, in the pipeline cleaning process, when the liquid passes through the cleaning pipeline 400, the cleaning tank 11 can deposit the liquid, and the filter 12 can filter the liquid, so that the liquid entering the first pulp supply pipeline 100, the second pulp supply pipeline 200 and the absorption tower pipeline 300 is clearer, and the cleaning efficiency is improved.
In some embodiments of the present application, a sewage drainage pipeline is disposed on each of the first slurry supply pipeline 100, the second slurry supply pipeline 200, the absorption tower pipeline 300 and the cleaning pipeline 400, and sewage in each pipeline can be drained through the sewage drainage pipeline during or after the sewage drainage process.
In some embodiments of the present application, the first slurry supply pipeline 100, the second slurry supply pipeline 200, and the cleaning pipeline 400 are all connected to an external water source, and an external clean water source is introduced into the pipelines, so that the pipelines can be conveniently cleaned.
In summary, the embodiment of the utility model provides an online cleaning device for a desulfurization limestone slurry pipeline, when the device needs to be cleaned on line, the first manual valve, the second manual valve and the fifth manual valve are closed, the first electric valve, the second electric valve, the third electric valve, the fourth manual valve and the third manual valve are opened, the slurry pump pumps the medicament into the slurry supply pipeline from the medicament feeding pipeline, the medicament sequentially passes through the slurry supply pipeline to the absorption tower pipeline and the cleaning pipeline and is circulated and circulated sequentially, the liquid passes through the cleaning tank on the cleaning pipeline, large scale blocks can be deposited in the filter tank, and when the liquid passes through the filter, the small scale block is filtered, so that less liquid impurities enter the slurry supply pipeline after passing through the cleaning pipeline each time, and can pass through the slurry supply pipeline through an external water source according to the cleaning condition, the pipeline is cleaned, so that the medicament is prevented from staying in the pipeline, and sewage generated in the cleaning process can be discharged through the original sewage discharge pipeline on the pipeline; after cleaning, closing all valves on the cleaning pipeline, and opening the first manual valve, the second manual valve and the fifth manual valve to enable the slurry supply pipeline and the pipeline to the absorption tower to be recovered to be in a normal liquid supply state; through the device, the limestone slurry pipeline can be cleaned on line, the condition that the pipeline is disassembled and assembled at first is avoided, and the time is greatly saved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a desulfurization limestone slurry pipeline online cleaning device which characterized in that: the method comprises the following steps:
the first slurry supply pipeline is communicated with a first limestone slurry tank and a first slurry pump;
the second slurry supply pipeline is communicated with a second limestone slurry tank and a second slurry pump;
the other end of the to-absorption tower pipeline is communicated with the absorption tower;
and one end of the cleaning pipeline is communicated with the front ends of the first slurry supply pipeline and the second slurry supply pipeline, and the other end of the cleaning pipeline is communicated with the pipeline of the absorption tower.
2. The on-line cleaning device for the pipeline of desulfurized limestone slurry as claimed in claim 1, characterized in that: the device is characterized in that a first manual valve and a first electric valve are sequentially arranged between the first limestone slurry tank and the first slurry pump along the slurry flowing direction, a second manual valve and a second electric valve are sequentially arranged between the second limestone slurry tank and the second slurry pump along the slurry flowing direction, and third electric valves are respectively arranged between the first slurry pump and the second slurry pump and between the first slurry pump and the absorption tower pipelines.
3. The on-line cleaning device for the pipeline of desulfurized limestone slurry according to claim 2, characterized in that: the first slurry supply pipeline is communicated with the cleaning pipeline through a first connecting pipe, and the first connecting pipe is connected between the first manual valve and the first electric valve; the second slurry supply pipeline is communicated with the cleaning pipeline through a second connecting pipe, and the second connecting pipe is connected between the second manual valve and the second electric valve.
4. The on-line cleaning device for the pipeline of desulfurized limestone slurry according to claim 3, characterized in that: and a first dosing pipeline is communicated between the first connecting pipe and the first slurry pump, and a second dosing pipeline is communicated between the second connecting pipe and the second slurry pump.
5. The on-line cleaning device for the pipeline of desulfurized limestone slurry as claimed in claim 3, characterized in that: and third manual valves are arranged on the first connecting pipe and the second connecting pipe, and a sixth manual valve is arranged at one end, close to the pipeline to the absorption tower, of the cleaning pipeline.
6. The on-line cleaning device for the pipeline of desulfurized limestone slurry according to claim 1, characterized in that: and a fourth manual valve and a fifth manual valve are sequentially arranged on the pipeline from the absorption tower to the absorption tower, and the cleaning pipeline is connected between the fourth manual valve and the fifth manual valve.
7. The on-line cleaning device for the pipeline of desulfurized limestone slurry as claimed in claim 1, characterized in that: and the cleaning pipeline is provided with a filter and a cleaning box.
8. The on-line cleaning device for the pipeline of desulfurized limestone slurry according to claim 7, characterized in that: the cleaning box is connected with a water pipeline communicated with an external water source and a sewage discharge pipeline used for discharging sewage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123154295.2U CN217490401U (en) | 2021-12-15 | 2021-12-15 | Online cleaning device for desulfurization limestone slurry pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123154295.2U CN217490401U (en) | 2021-12-15 | 2021-12-15 | Online cleaning device for desulfurization limestone slurry pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217490401U true CN217490401U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123154295.2U Active CN217490401U (en) | 2021-12-15 | 2021-12-15 | Online cleaning device for desulfurization limestone slurry pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN217490401U (en) |
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2021
- 2021-12-15 CN CN202123154295.2U patent/CN217490401U/en active Active
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