CN219473629U - Chemical cleaning device for coal economizer of drum furnace - Google Patents
Chemical cleaning device for coal economizer of drum furnace Download PDFInfo
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- CN219473629U CN219473629U CN202222821061.7U CN202222821061U CN219473629U CN 219473629 U CN219473629 U CN 219473629U CN 202222821061 U CN202222821061 U CN 202222821061U CN 219473629 U CN219473629 U CN 219473629U
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Abstract
The utility model discloses a chemical cleaning device for a coal economizer of a steam drum furnace, which comprises a device body and a coal economizer main body connected with the device body, wherein a liquid storage cavity and an installation cavity are formed in the device body through a partition plate, the installation cavity comprises a first cleaning mechanism, a second cleaning mechanism and a recovery mechanism, one end of the first cleaning mechanism is connected with a liquid inlet of the coal economizer main body, one end of the second cleaning mechanism is connected with a liquid outlet of the coal economizer main body, the other ends of the first cleaning mechanism and the second cleaning mechanism are connected with the liquid storage cavity together through a connecting pipe, the recovery mechanism is respectively connected with the first cleaning mechanism and the second cleaning mechanism, and the first cleaning mechanism is used for cleaning along the liquid inlet to the liquid outlet of the coal economizer main body in sequence; the second cleaning mechanism is used for cleaning along the sequence from the liquid outlet to the liquid inlet of the economizer main body; and the recovery mechanism is used for recovering the cleaning liquid after the cleaning is completed. Through the device, the cleaning range can be effectively reduced, and the cleanliness and the cleaning efficiency can be improved.
Description
Technical Field
The utility model relates to the technical field of economizer equipment, in particular to a chemical cleaning device for a boiler economizer.
Background
The mesh economizer is used as an important component of the coal-fired power generation unit, and the operation performance of the mesh economizer has great influence on the operation performance and economy of the unit. With the operation of the generator set, accidents such as pipe explosion of the economizer occur sometimes due to problems such as scaling and acid corrosion. From the safety, reliability and economy of unit operation, the economizer should be cleaned.
The existing chemical cleaning range of the cleaning process comprises the whole furnace system, namely a furnace body, an economizer, a high-pressure heater and a bypass system thereof, the cost is high, temporary use equipment required by the process is numerous, cleaning media are required to be heated to 120 ℃, medicines and manpower are wasted, and environmental protection pressure is increased.
Therefore, how to improve the cleanliness and the cleaning efficiency of the cleaning while reducing the cleaning range is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model provides a chemical cleaning device for a coal economizer of a drum furnace, which is used for solving the technical problems of large cleaning range and low cleanliness and cleaning efficiency in the prior art.
In order to achieve the above object, the present utility model provides a chemical cleaning device for a drum furnace economizer, comprising a device body and an economizer main body connected with the device body, wherein the interior of the device body is provided with a liquid storage cavity and an installation cavity through a partition board, the installation cavity comprises a first cleaning mechanism, a second cleaning mechanism and a recovery mechanism, one end of the first cleaning mechanism is connected with a liquid inlet of the economizer main body, one end of the second cleaning mechanism is connected with a liquid outlet of the economizer main body, the other ends of the first cleaning mechanism and the second cleaning mechanism are connected with the liquid storage cavity together through connecting pipes, the recovery mechanism is respectively connected with the first cleaning mechanism and the second cleaning mechanism,
the liquid storage cavity is used for storing cleaning liquid;
the first cleaning mechanism is used for cleaning along the sequence from the liquid inlet to the liquid outlet of the economizer main body;
the second cleaning mechanism is used for cleaning along the sequence from the liquid outlet to the liquid inlet of the economizer main body;
the recovery mechanism is used for recovering the cleaning liquid after the first cleaning mechanism and the second cleaning mechanism are cleaned.
Preferably, the first cleaning mechanism comprises a first cleaning pipe and a first pump body, one end of the first cleaning pipe is connected with the liquid inlet of the economizer main body, the other end of the first cleaning pipe is connected with one end of the first pump body, and the other end of the first pump body is connected with the connecting pipe.
Preferably, the second cleaning mechanism comprises a second cleaning pipe and a second pump body, one end of the second cleaning pipe is connected with the liquid outlet of the economizer main body, the other end of the second cleaning pipe is connected with one end of the second pump body, and the other end of the second pump body is connected with the connecting pipe.
Preferably, the recycling mechanism comprises a recycling pipe and a recycling box, the recycling pipe is respectively connected with the first cleaning mechanism and the second cleaning mechanism, and the lower end of the recycling pipe is communicated with the recycling box.
Preferably, the device further comprises a first valve, wherein the first valve is arranged on the first cleaning pipe and between the liquid inlet of the economizer main body and the first pump body.
Preferably, the device further comprises a second valve, wherein the second valve is arranged on the second cleaning pipe and between the liquid outlet of the economizer main body and the second pump body.
Preferably, the device further comprises a third valve, wherein the third valve is arranged at the joint of the recovery pipe and the first cleaning mechanism.
Preferably, the device further comprises a fourth valve, wherein the fourth valve is arranged at the joint of the recovery pipe and the second cleaning mechanism.
Preferably, the device further comprises a flowmeter, and a detection probe of the flowmeter is arranged on the inner side of the end, close to the liquid outlet of the economizer main body, of the second cleaning pipe.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a chemical cleaning device for a coal economizer of a steam drum furnace, which comprises a device body and a coal economizer main body connected with the device body, wherein a liquid storage cavity and an installation cavity are formed in the device body through a partition plate, the installation cavity comprises a first cleaning mechanism, a second cleaning mechanism and a recovery mechanism, one end of the first cleaning mechanism is connected with a liquid inlet of the coal economizer main body, one end of the second cleaning mechanism is connected with a liquid outlet of the coal economizer main body, the other ends of the first cleaning mechanism and the second cleaning mechanism are connected with the liquid storage cavity through connecting pipes, and the recovery mechanism is respectively connected with the first cleaning mechanism and the second cleaning mechanism, wherein the liquid storage cavity is used for storing cleaning liquid; the first cleaning mechanism is used for cleaning along the sequence from the liquid inlet to the liquid outlet of the economizer main body; the second cleaning mechanism is used for cleaning along the sequence from the liquid outlet to the liquid inlet of the economizer main body; and the recovery mechanism is used for recovering the cleaning liquid after the cleaning of the first cleaning mechanism and the second cleaning mechanism is completed. Through the device, the cleaning range can be effectively reduced, and the cleanliness and the cleaning efficiency can be improved.
Drawings
FIG. 1 shows a schematic structural diagram of a chemical cleaning device for a boiler economizer according to an embodiment of the present utility model;
FIG. 2 shows a schematic structural view of a first cleaning mechanism of a chemical cleaning device for a boiler economizer according to an embodiment of the present utility model;
FIG. 3 shows a schematic structural view of a second cleaning mechanism of a chemical cleaning device for a boiler economizer according to an embodiment of the present utility model;
fig. 4 shows a schematic connection diagram of a recovery pipe and a second cleaning pipe of a chemical cleaning device for a boiler economizer according to an embodiment of the present utility model.
In the figure: 1. a device body; 2. an economizer body; 3. a liquid storage cavity; 4. a mounting cavity; 5. a liquid inlet pipe; 6. a first cleaning tube; 7. a second cleaning tube; 8. a connecting pipe; 9. a first pump body; 10. a second pump body; 11. a recovery pipe; 12. a recovery box; 13. a third valve; 14. a fourth valve; 15. a first valve; 16. a second valve; 17. a flow meter.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should 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 the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify 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 therefore should not be construed as limiting the present application.
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 or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" 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 terms in this application will be understood by those of ordinary skill in the art in a specific context.
The utility model provides a chemical cleaning device for a gas drum furnace economizer, which comprises a device body and a gas drum furnace economizer main body connected with the device body, wherein a liquid storage cavity and an installation cavity are arranged in the device body through a partition plate, the installation cavity comprises a first cleaning mechanism, a second cleaning mechanism and a recovery mechanism, one end of the first cleaning mechanism is connected with a liquid inlet of the gas drum furnace economizer main body, one end of the second cleaning mechanism is connected with a liquid outlet of the gas drum furnace economizer main body, the other ends of the first cleaning mechanism and the second cleaning mechanism are connected with the liquid storage cavity through connecting pipes, the recovery mechanism is respectively connected with the first cleaning mechanism and the second cleaning mechanism,
the liquid storage cavity is used for storing cleaning liquid;
the first cleaning mechanism is used for cleaning along the sequence from the liquid inlet to the liquid outlet of the economizer main body;
the second cleaning mechanism is used for cleaning along the sequence from the liquid outlet to the liquid inlet of the economizer main body;
the recovery mechanism is used for recovering the cleaning liquid after the first cleaning mechanism and the second cleaning mechanism are cleaned.
In order to guarantee to wash the washing order of economizer main part inlet to liquid outlet, in some embodiments of this application, first wiper mechanism includes first wash pipe and first pump body, the one end of first wash pipe is connected the inlet of economizer main part, the other end of first wash pipe is connected the one end of first pump body, the other end of first pump body is connected the connecting pipe.
In order to guarantee to wash the washing order of economizer main part liquid outlet to inlet, in some embodiments of this application, second wiper mechanism includes second wash pipe and second pump body, the one end of second wash pipe is connected the liquid outlet of economizer main part, the other end of second wash pipe is connected the one end of second pump body, the other end of second pump body is connected the connecting pipe.
For retrieving the washing liquid after the washing, in some embodiments of the present application, the recovery mechanism includes a recovery pipe and a recovery tank, the recovery pipe is connected respectively first wiper mechanism and second wiper mechanism, the lower extreme of recovery pipe with the recovery tank intercommunication.
To ensure that a single side is cleaned, in some embodiments of the present application, a first valve is further included, the first valve being disposed on the first cleaning tube and between the liquid inlet of the economizer body and the first pump body. The second valve is arranged on the second cleaning pipe and between the liquid outlet of the economizer main body and the second pump body.
In order to ensure that the recovery tank recovers the cleaning liquid after the single-side cleaning, in some embodiments of the application, a third valve is further included, and the third valve is installed at the joint of the recovery pipe and the first cleaning mechanism. The device also comprises a fourth valve, wherein the fourth valve is arranged at the joint of the recovery pipe and the second cleaning mechanism.
To verify the degree of cleanliness after cleaning, in some embodiments of the present application, a flow meter is further included, and a detection probe of the flow meter is disposed inside an end of the second cleaning tube near the liquid outlet of the economizer main body.
The structure and operation of the chemical cleaning apparatus for a drum furnace economizer according to the embodiment of the present application will be described with reference to fig. 1 to 4:
as shown in fig. 1 to 4, the embodiment of the application includes a device body 1 and an economizer main body 2 connected with the device body 1, a liquid storage cavity 3 and an installation cavity 4 are arranged in the device body 1 through a partition board, a liquid inlet pipe 5 arranged outside the device body 1 is communicated with the liquid storage cavity 3, a first cleaning mechanism, a second cleaning mechanism and a recovery mechanism are arranged on the inner side of the installation cavity 4, the first cleaning mechanism and the second cleaning mechanism are respectively connected with a first cleaning pipe 6 and a second cleaning pipe 7, the first cleaning mechanism and the second cleaning mechanism are both communicated with the liquid storage cavity 3 through connecting pipes 8, the economizer main body 2 is arranged on one side of the outside of the device body 1, and a liquid inlet and a liquid outlet of the economizer main body 2 are respectively communicated with the ends of the first cleaning pipe 6 and the second cleaning pipe 7.
The liquid inlet of the first pump body 9 is communicated with the connecting pipe 8, and the liquid outlet of the first pump body 9 is communicated with the first cleaning pipe 6.
The liquid inlet of the second pump body 10 is communicated with the connecting pipe 8, and the liquid outlet of the second pump body 10 is communicated with the second cleaning pipe 7.
The recovery mechanism comprises a recovery pipe 11 and a recovery box 12, the recovery pipe 11 is respectively communicated with the first cleaning pipe 6 and the second cleaning pipe 7, the lower end of the recovery pipe 11 is communicated with the recovery box 12, and the recovery pipe 11 is provided with a third valve 13 and a fourth valve 14 at the joint of the first cleaning pipe 6 and the second cleaning pipe 7.
The ends of the first cleaning pipe 6 and the second cleaning pipe 7 are respectively provided with a first valve 15 and a second valve 16.
The detection probe of the flow meter 17 is provided inside the end of the second purge tube 7.
Specifically, when the utility model is used, the first cleaning pipe 6 and the second cleaning pipe 7 of the device body 1 are connected with the liquid inlet and the liquid outlet of the economizer main body 2, meanwhile, chemical cleaning liquid is injected into the liquid storage cavity 3 through the liquid inlet pipe 5, the first cleaning mechanism and the second cleaning mechanism are switched to work, the economizer main body 2 is cleaned, and waste liquid generated by cleaning flows into the recovery box 12 through the recovery pipe 11.
In the cleaning process, when the first pump body 9 of the first cleaning mechanism is started, at the moment, the first valve 15 at the end of the first cleaning pipe 6 and the fourth valve 14 on the recovery pipe 11 are opened, the second valve 16 and the third valve 13 are closed at the same time, and at the moment, chemical cleaning liquid enters the liquid inlet of the economizer main body 2 through the first cleaning pipe 6 and flows into the interior of the recovery tank 12 from the liquid outlet and the recovery pipe 11;
when the second pump body 10 of the second cleaning mechanism is started, the second valve 16 at the end of the second cleaning pipe 7 and the third valve 13 on the recovery pipe 11 are opened at this time, the first valve 15 and the fourth valve 14 are closed at the same time, and at this time, the chemical cleaning liquid enters the liquid outlet of the economizer main body 2 through the second cleaning pipe 7 and flows into the interior of the recovery tank 12 from the liquid inlet and the recovery pipe 11.
Further, in the use process, after the cleaning is completed, the first valve 15, the second valve 16, the third valve 13 and the fourth valve 14 are opened, the chemical cleaning fluid in the economizer main body 2 is discharged, then the third valve 13 and the fourth valve 14 are closed, the first valve 15 and the fourth valve 14 are opened, the chemical cleaning fluid is injected into the economizer main body 2 again through the first cleaning pipe 6 until the chemical cleaning fluid flows out through the recovery pipe 11, and at the moment, the volume of the chemical cleaning fluid is detected according to the flowmeter 17, compared with the volume of the economizer main body 2, and the cleaning effect is rapidly detected.
Through the application of the technical scheme, the chemical cleaning device for the coal economizer of the steam drum furnace comprises a device body and a coal economizer main body connected with the device body, wherein a liquid storage cavity and an installation cavity are formed in the device body through a partition plate, the installation cavity comprises a first cleaning mechanism, a second cleaning mechanism and a recovery mechanism, one end of the first cleaning mechanism is connected with a liquid inlet of the coal economizer main body, one end of the second cleaning mechanism is connected with a liquid outlet of the coal economizer main body, the other ends of the first cleaning mechanism and the second cleaning mechanism are connected with the liquid storage cavity through connecting pipes, and the recovery mechanism is respectively connected with the first cleaning mechanism and the second cleaning mechanism, wherein the liquid storage cavity is used for storing cleaning liquid; the first cleaning mechanism is used for cleaning along the sequence from the liquid inlet to the liquid outlet of the economizer main body; the second cleaning mechanism is used for cleaning along the sequence from the liquid outlet to the liquid inlet of the economizer main body; and the recovery mechanism is used for recovering the cleaning liquid after the cleaning of the first cleaning mechanism and the second cleaning mechanism is completed. Through the device, the cleaning range can be effectively reduced, and the cleanliness and the cleaning efficiency can be improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. The utility model provides a chemical cleaning device of a gas drum furnace economizer, which is characterized in that the chemical cleaning device comprises a device body and a gas drum furnace economizer main body connected with the device body, a liquid storage cavity and an installation cavity are arranged in the device body through a baffle, the installation cavity comprises a first cleaning mechanism, a second cleaning mechanism and a recovery mechanism, one end of the first cleaning mechanism is connected with a liquid inlet of the gas drum furnace economizer main body, one end of the second cleaning mechanism is connected with a liquid outlet of the gas drum furnace economizer main body, the other ends of the first cleaning mechanism and the second cleaning mechanism are connected with the liquid storage cavity through connecting pipes, the recovery mechanism is respectively connected with the first cleaning mechanism and the second cleaning mechanism,
the liquid storage cavity is used for storing cleaning liquid;
the first cleaning mechanism is used for cleaning along the sequence from the liquid inlet to the liquid outlet of the economizer main body;
the second cleaning mechanism is used for cleaning along the sequence from the liquid outlet to the liquid inlet of the economizer main body;
the recovery mechanism is used for recovering the cleaning liquid after the first cleaning mechanism and the second cleaning mechanism are cleaned.
2. The device of claim 1, wherein the first cleaning mechanism comprises a first cleaning tube and a first pump body, one end of the first cleaning tube is connected with the liquid inlet of the economizer body, the other end of the first cleaning tube is connected with one end of the first pump body, and the other end of the first pump body is connected with the connecting tube.
3. The device of claim 1, wherein the second cleaning mechanism comprises a second cleaning tube and a second pump body, one end of the second cleaning tube is connected with the liquid outlet of the economizer main body, the other end of the second cleaning tube is connected with one end of the second pump body, and the other end of the second pump body is connected with the connecting tube.
4. The apparatus of claim 1, wherein the recovery mechanism comprises a recovery tube and a recovery tank, the recovery tube being connected to the first cleaning mechanism and the second cleaning mechanism, respectively, a lower end of the recovery tube being in communication with the recovery tank.
5. The apparatus of claim 2, further comprising a first valve disposed on the first purge tube between the liquid inlet of the economizer body and the first pump body.
6. The apparatus of claim 3, further comprising a second valve disposed on the second purge tube between the outlet of the economizer body and the second pump body.
7. The apparatus of claim 4, further comprising a third valve mounted at the junction of the recovery tube and the first cleaning mechanism.
8. The apparatus of claim 4, further comprising a fourth valve mounted at the junction of the recovery tube and the second cleaning mechanism.
9. The apparatus of claim 3, further comprising a flow meter, a detection probe of the flow meter being disposed inside an end of the second purge tube proximate the economizer body outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821061.7U CN219473629U (en) | 2022-10-25 | 2022-10-25 | Chemical cleaning device for coal economizer of drum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821061.7U CN219473629U (en) | 2022-10-25 | 2022-10-25 | Chemical cleaning device for coal economizer of drum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219473629U true CN219473629U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222821061.7U Active CN219473629U (en) | 2022-10-25 | 2022-10-25 | Chemical cleaning device for coal economizer of drum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219473629U (en) |
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2022
- 2022-10-25 CN CN202222821061.7U patent/CN219473629U/en active Active
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