CN212157219U - Automatic ash removal device for low-temperature economizer - Google Patents
Automatic ash removal device for low-temperature economizer Download PDFInfo
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- CN212157219U CN212157219U CN202020624870.7U CN202020624870U CN212157219U CN 212157219 U CN212157219 U CN 212157219U CN 202020624870 U CN202020624870 U CN 202020624870U CN 212157219 U CN212157219 U CN 212157219U
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Abstract
The utility model discloses an automatic ash removal device for low temperature economizer relates to the economizer clearance and maintains technical field, and to low temperature economizer after long-time the use, the pipeline inner wall has a large amount of deposition, the problem of manual difficult clearance, now proposes following scheme, including the female pipe of washing by water and economizer tobacco pipe, the mouth of pipe department of economizer tobacco pipe is connected with the flushing tank, the external water tank of the one end of the female pipe of washing by water, the other end of the female pipe of washing by water is connected with the valve, the one end of valve is connected with first flushing pipe, the bottom of first flushing pipe is connected with pneumatic valve, pneumatic valve's bottom is connected with the second flushing pipe. The device can realize the effective removal of the deposited dust on the low-temperature economizer at regular intervals. The inside washing pipeline and the nozzle of flue can wash the suitable equipartition of scope according to flue cross-sectional dimension and single nozzle, and wherein the pipeline can adopt the better 316L stainless steel of high temperature resistant corrosion-resistant, the nozzle adopts the solid awl nozzle of spiral of 316L material, and is more practical.
Description
Technical Field
The utility model relates to an economizer clearance maintains technical field, especially relates to an automatic ash removal device for low temperature economizer.
Background
The economizer is a device which is arranged at the lower part of a flue at the tail part of a boiler and used for recovering the waste heat of exhausted smoke, heats the water fed by the boiler into a heating surface of saturated water under the pressure of a steam drum, and is called as the economizer because the economizer absorbs the heat of high-temperature smoke, reduces the exhaust temperature of the smoke, saves energy and improves the efficiency.
After the low-temperature economizer is used for a long time, a large amount of dust is accumulated on the inner wall of the pipeline, and the low-temperature economizer is difficult to clean manually.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of automatic ash removal device for low temperature economizer has solved low temperature economizer and has used the back for a long time, and the pipeline inner wall has a large amount of deposition, the problem of manual difficult clearance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a low temperature is automatic ash removal device for economizer, is including the female pipe of bath and economizer tobacco pipe, the mouth of pipe department of economizer tobacco pipe is connected with the flushing tank, the external water tank of the one end of the female pipe of bath, the other end of the female pipe of bath is connected with the valve, the one end of valve is connected with first flushing pipe, the bottom of first flushing pipe is connected with pneumatic valve, pneumatic valve's bottom is connected with the second flushing pipe, the bottom of second flushing pipe is connected with the third flushing pipe, just the third flushing pipe stretches into the inside of flushing tank.
Preferably, a plurality of nozzles are distributed on the third flushing pipe, and the water outlet end of each nozzle faces the coal economizer smoke pipe.
Preferably, one end of the flushing tank, which is far away from the coal economizer smoke tube, is fixedly connected with a fan, and the air inducing direction of the fan faces the coal economizer smoke tube.
Preferably, an on-site pressure gauge is connected to the first flushing pipe.
Preferably, the pneumatic valve is connected with a valve control device, and the valve control device is connected with a matched control program.
Compared with the prior art, the beneficial effects of the utility model are that: the device can realize the effective removal of the deposited dust on the low-temperature economizer at regular intervals. The inside washing pipeline and the nozzle of flue can wash the suitable equipartition of scope according to flue cross-sectional dimension and single nozzle, and wherein the pipeline can adopt the better 316L stainless steel of high temperature resistant corrosion-resistant, the nozzle adopts the solid awl nozzle of spiral of 316L material, and is more practical.
Drawings
Fig. 1 is a schematic structural diagram of an automatic ash removal device for a low-temperature economizer provided by the utility model.
In the figure: 1 flushing main pipe, 2 valves, 3 in-situ pressure gauges, 4 first flushing pipes, 5 pneumatic valves, 6 valve control devices, 7 second flushing pipes, 8 third flushing pipes, 9 flushing tanks, 10 fans, 11 nozzles and 12 economizer smoke pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, an automatic ash removal device for a low-temperature economizer comprises a main flushing pipe 1 and a main economizer flue pipe 12, a flushing tank 9 is connected to the pipe orifice of the main economizer flue pipe 12, an external water tank is connected to one end of the main flushing pipe 1, the other end of the main flushing pipe 1 is connected with a valve 2, one end of the valve 2 is connected with a first flushing pipe 4, the bottom end of the first flushing pipe 4 is connected with a pneumatic valve 5, the bottom end of the pneumatic valve 5 is connected with a second flushing pipe 7, the bottom end of the second flushing pipe 7 is connected with a third flushing pipe 8, and the third flushing pipe 8 extends into the flushing tank 9.
In this embodiment, the third flushing pipe 8 is distributed with a plurality of nozzles 11, and the water outlet end of the nozzles 11 faces the coal economizer flue 12.
In this embodiment, a fan 10 is fixedly connected to an end of the flushing tank 9 away from the economizer flue tube 12, and an air inducing direction of the fan 10 faces the economizer flue tube 12.
In this embodiment, the first flushing pipe 4 is connected with an on-site pressure gauge 3.
In this embodiment, the pneumatic valve 5 is connected to a valve control device 6, and the valve control device 6 is connected to a matching control program.
The utility model discloses well pneumatic valve 5 and controlling means adopt the model to be: Q641F
The working principle is as follows: setting a timing automatic ash removal in the program, and washing once every a period of time; the valve 2 on the flushing pipeline is normally opened, the pneumatic valve 5 on the pipeline is automatically opened during flushing, process water sequentially passes through the flushing main pipe 1, flows through the first flushing pipe 4, the second flushing pipe 7 and the third flushing pipe 8, and is sprayed out through the nozzle 11, so that dust deposited on the inner wall of the coal economizer smoke pipe 12 is cleaned, and the valve control device 6 is automatically closed after flushing is finished; in special cases, a manual flushing can be switched, i.e. the pneumatic valve 5 can be opened or closed manually. The device can be matched with a program device matched with a pneumatic valve 5 to realize the periodic effective removal of dust deposited on the low-temperature economizer. The washing pipeline and the nozzles in the flue are properly and evenly distributed according to the cross section size of the flue and the washing range of a single nozzle, wherein the pipeline can be made of 316L stainless steel with better high temperature resistance and corrosion resistance, and the nozzles are spiral solid cone nozzles made of 316L materials.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a low temperature is automatic ash removal device for economizer, is including washing by water female pipe (1) and economizer tobacco pipe (12), its characterized in that, the mouth of pipe department of economizer tobacco pipe (12) is connected with flushing tank (9), the external water tank of one end of washing by water female pipe (1), the other end of washing by water female pipe (1) is connected with valve (2), the one end of valve (2) is connected with first flushing pipe (4), the bottom of first flushing pipe (4) is connected with pneumatic valve (5), the bottom of pneumatic valve (5) is connected with second flushing pipe (7), the bottom of second flushing pipe (7) is connected with third flushing pipe (8), just third flushing pipe (8) stretch into the inside of flushing tank (9).
2. The automatic ash removal device for the low-temperature economizer as claimed in claim 1, wherein a plurality of nozzles (11) are distributed on the third flushing pipe (8), and the water outlet ends of the nozzles (11) face the economizer flue pipe (12).
3. The automatic ash removal device for the low-temperature economizer as claimed in claim 1, wherein a fan (10) is fixedly connected to one end of the flushing tank (9) away from the economizer flue tube (12), and the induced air direction of the fan (10) faces the economizer flue tube (12).
4. The automatic ash removal device for the low-temperature coal economizer as claimed in claim 1, wherein an on-site pressure gauge (3) is connected to the first flushing pipe (4).
5. The automatic ash cleaning device for the low-temperature coal economizer as claimed in claim 1, wherein a valve control device (6) is connected to the pneumatic valve (5), and the valve control device (6) is connected with a matched control program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020624870.7U CN212157219U (en) | 2020-04-23 | 2020-04-23 | Automatic ash removal device for low-temperature economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020624870.7U CN212157219U (en) | 2020-04-23 | 2020-04-23 | Automatic ash removal device for low-temperature economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212157219U true CN212157219U (en) | 2020-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020624870.7U Active CN212157219U (en) | 2020-04-23 | 2020-04-23 | Automatic ash removal device for low-temperature economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212157219U (en) |
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2020
- 2020-04-23 CN CN202020624870.7U patent/CN212157219U/en active Active
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