CN216348043U - Back flushing device for boiler permanent magnet fan heat exchanger - Google Patents
Back flushing device for boiler permanent magnet fan heat exchanger Download PDFInfo
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- CN216348043U CN216348043U CN202123038263.6U CN202123038263U CN216348043U CN 216348043 U CN216348043 U CN 216348043U CN 202123038263 U CN202123038263 U CN 202123038263U CN 216348043 U CN216348043 U CN 216348043U
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- pull rod
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Abstract
The utility model discloses a back flushing device for a boiler permanent magnet fan heat exchanger, which comprises a panel heat exchanger, wherein a cooling water inlet pipeline and a cooling water return pipeline are arranged on the panel heat exchanger; the utility model can conveniently and efficiently clean the sludge of the heat exchanger and is beneficial to saving the cleaning time and the cleaning water quantity.
Description
Technical Field
The utility model relates to a back washing device for a boiler permanent magnet fan heat exchanger, and belongs to the technical field of heat exchanger washing tools.
Background
When the boiler permanent magnet induced draft fan operates, the plate heat exchanger deposits the mud in the circulating water easily, reduces plate heat exchanger's heat transfer effect, has increased the quantity of circulating water.
Prior art, when carrying out the heat exchanger and wasing, need demolish behind the circulating water import flange, wash through the return water, the operation is complicated like this, consuming time power, simultaneously, in the cleaning process, in the heat exchanger bottom of keeping away from mud row of mouthful side, easy gathering mud, for example in the corner department, this partial mud is difficult clearance than, perhaps needs more washing time and washing water yield, just can carry out thorough clearance to it, consuming time and extravagant water resource like this undoubtedly.
Namely: the back washing device for the boiler permanent magnet fan heat exchanger is needed, can conveniently and efficiently clean the sludge of the heat exchanger, and is beneficial to saving the cleaning time and the cleaning water quantity.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to provide a back washing device for a boiler permanent magnet fan heat exchanger, which can be used for conveniently and efficiently cleaning sludge of the heat exchanger and is beneficial to saving cleaning time and cleaning water quantity; the defects of the prior art can be overcome.
The purpose of the utility model is realized by the following technical scheme:
compared with the prior art, the utility model discloses a back washing device for a boiler permanent magnet fan heat exchanger, which comprises a panel heat exchanger, wherein a cooling water inlet pipeline and a cooling water return pipeline are arranged on the panel heat exchanger, a washing drainage pipeline is arranged on the cooling water inlet pipeline, a sludge discharge assisting device is arranged on the washing drainage pipeline, and valves are arranged on the cooling water inlet pipeline, the cooling water return pipeline and the washing drainage pipeline.
The sludge discharge assisting device comprises a pull rod extending from a flushing drainage pipeline to the inner cavity of the panel heat exchanger, a scraper for stirring sludge deposited on the bottom surface of the panel heat exchanger is arranged at the inner end of the pull rod, a three-way pipe is arranged on the flushing drainage pipeline, the pull rod extends outwards from one end surface of the three-way pipe, a sealing plate is arranged between the three-way pipe and the pull rod, and a telescopic hole and a sealing device of the pull rod are arranged on the sealing plate.
The flushing drainage pipeline is connected with a cooling water inlet pipeline through a three-way pipeline.
The flushing drainage pipeline is sleeved on the outer side of the cooling water inlet pipeline and communicated with the inner cavity of the panel type heat exchanger.
The cooling water inlet pipeline is provided with a positioning plate, and the positioning plate is provided with a guide hole at the inner end of the pull rod.
The utility model has the beneficial effects that:
1. the utility model can conveniently and efficiently clean the sludge of the heat exchanger, is beneficial to saving the cleaning time and the cleaning water quantity, and particularly, the panel heat exchanger is flushed by the closed valve on the cooling water return pipeline and the cooling water inlet pipeline, the panel heat exchanger is drained by the flushing drainage pipeline, and the sludge accumulated at the bottom of the panel heat exchanger is favorably discharged by the sludge discharge assisting device in the flushing process.
2. The sludge drainage assisting device drives the scraper to move at the bottom of the panel heat exchanger by drawing the pull rod in the process of flushing drainage pipelines to scrape the pushed sludge, play a role in raising the sludge and be favorable for driving the sludge to be discharged outside in the process of flushing the drainage pipelines 4, thereby being favorable for reducing the cleaning time and the cleaning water quantity.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a side sectional structural schematic view of the present invention.
Fig. 3 is a schematic structural view of a portion a in fig. 2.
Fig. 4 is a schematic view of the connection structure of embodiment 2.
Wherein, the panel heat exchanger 1; a cooling water inlet pipeline 2; a cooling water return pipeline 3; flushing the drainage pipeline 4; a pull rod 5; a scraper 6; a three-way pipe 7; a guide hole 8.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the utility model only and are not limiting upon the scope of the utility model.
Example 1.
As shown in figures 1-3, the utility model discloses a back flushing device for a boiler permanent magnet fan heat exchanger, which comprises a panel heat exchanger 1, wherein a cooling water inlet pipeline 2 and a cooling water return pipeline 3 are arranged on the panel heat exchanger 1, a flushing water discharge pipeline 4 is arranged on the cooling water inlet pipeline 2, a sludge discharge assisting device is arranged on the flushing water discharge pipeline 4, and valves are arranged on the cooling water inlet pipeline 2, the cooling water return pipeline 3 and the flushing water discharge pipeline 4.
The sludge discharge-assisting device comprises a pull rod 5 extending from a flushing and water discharging pipeline 4 to the inner cavity of the panel type heat exchanger 1, a scraper 6 for stirring sludge deposited on the bottom surface of the panel type heat exchanger 1 is arranged at the inner end of the pull rod 5, a three-way pipe 7 is arranged on the flushing and water discharging pipeline 4, the pull rod 5 extends outwards from one end surface of the three-way pipe 7, a sealing plate is arranged between the three-way pipe 7 and the pull rod 5, a telescopic hole and a sealing device of the pull rod 5 are arranged on the sealing plate, and the sealing device is a sealing rubber ring and the like which are arranged on the inner wall of the telescopic hole and can be used for preventing water; such mud helps row device washes 4 drainage in-process on the drainage pipe way, through the pull of pull rod 5, drives scraper blade 6 and removes in 1 bottoms of panel heat exchanger to scrape the mud of pushing up, play the effect of raising mud, be favorable to washing 4 in-process on the drainage pipe way and drive the mud and arrange outward, thereby be favorable to reducing clearance time and washing water yield.
The washing and drainage pipeline 4 is sleeved on the outer side of the cooling water inlet pipeline 2 and communicated with the inner cavity of the panel heat exchanger 1, the inner port of the washing and drainage pipeline 4 is flush with the inner wall of the panel heat exchanger 1, the distance between the inner port of the cooling water inlet pipeline 2 and the inner wall of the panel heat exchanger 1 is 2-5 cm, therefore, in a mode that the washing and drainage pipeline 4 is sleeved on the outer side of the cooling water inlet pipeline 2, the washing and drainage can be carried out through the washing and drainage pipeline 4 while the washing and drainage pipeline 2 is washed during cleaning, the washing time is saved, the inner port of the cooling water inlet pipeline 2 and the inner wall of the panel heat exchanger 1 are 2-5 cm apart, and the conflict between the cooling water inlet pipeline 2 and the washing and drainage pipeline 4 can be avoided.
Be equipped with the locating plate on cooling water inlet pipe 2, be equipped with the guide hole 8 in pull rod 5 the inner on the locating plate, have like this to lead and fix a position pull rod 5 through the telescopic hole and the guide hole 8 of pull rod 5 outer end, be favorable to avoiding the too big condition of revealing of outer end telescopic hole water that causes of the swing range of pull rod 5.
Example 2.
The utility model discloses a back flushing device for a boiler permanent magnet fan heat exchanger, which comprises a panel heat exchanger 1, wherein a cooling water inlet pipeline 2 and a cooling water return pipeline 3 are arranged on the panel heat exchanger 1, a flushing drainage pipeline 4 is arranged on the cooling water inlet pipeline 2, a sludge auxiliary discharging device is arranged on the flushing drainage pipeline 4, and valves are arranged on the cooling water inlet pipeline 2, the cooling water return pipeline 3 and the flushing drainage pipeline 4.
The sludge discharge-assisting device comprises a pull rod 5 extending from a flushing and water discharging pipeline 4 to the inner cavity of the panel type heat exchanger 1, a scraper 6 for stirring sludge deposited on the bottom surface of the panel type heat exchanger 1 is arranged at the inner end of the pull rod 5, a three-way pipe 7 is arranged on the flushing and water discharging pipeline 4, the pull rod 5 extends outwards from one end surface of the three-way pipe 7, a sealing plate is arranged between the three-way pipe 7 and the pull rod 5, a telescopic hole and a sealing device of the pull rod 5 are arranged on the sealing plate, and the sealing device is a sealing rubber ring and the like which are arranged on the inner wall of the telescopic hole and can be used for preventing water; such mud helps row device washes 4 drainage in-process on the drainage pipe way, through the pull of pull rod 5, drives scraper blade 6 and removes in 1 bottoms of panel heat exchanger to scrape the mud of pushing up, play the effect of raising mud, be favorable to washing 4 in-process on the drainage pipe way and drive the mud and arrange outward, thereby be favorable to reducing clearance time and washing water yield.
As shown in fig. 4, the flushing drainage pipeline 4 is connected with the cooling water inlet pipeline 2 through a three-way pipeline, so that when the washing is performed, the valves arranged on the cooling water return pipeline 3 and the flushing drainage pipeline 4 are closed firstly, and the flushing drainage pipeline 4 is opened to realize sewage discharge after the flushing is performed by opening the valve on the cooling water inlet pipeline 2.
Be equipped with the locating plate on cooling water inlet pipe 2, be equipped with the guide hole 8 in pull rod 5 the inner on the locating plate, have like this to lead and fix a position pull rod 5 through the telescopic hole and the guide hole 8 of pull rod 5 outer end, be favorable to avoiding the too big condition of revealing of outer end telescopic hole water that causes of the swing range of pull rod 5.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention without departing from the technical spirit of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides a back washing unit for boiler permanent magnet fan heat exchanger, it includes panel heat exchanger (1), is equipped with cooling water inlet pipe way (2) and cooling water return water pipeline (3) on panel heat exchanger (1), its characterized in that: the cooling water inlet pipeline (2) is provided with a washing drainage pipeline (4), the washing drainage pipeline (4) is provided with a sludge drainage assisting device, and valves are arranged on the cooling water inlet pipeline (2), the cooling water return pipeline (3) and the washing drainage pipeline (4).
2. The back washing device for the boiler permanent magnet fan heat exchanger according to claim 1, characterized in that: the sludge discharge assisting device comprises a pull rod (5) extending from a flushing water discharging pipeline (4) to an inner cavity of the panel type heat exchanger (1), a scraping plate (6) for stirring sludge deposited on the bottom surface of the panel type heat exchanger (1) is arranged at the inner end of the pull rod (5), a three-way pipe (7) is arranged on the flushing water discharging pipeline (4), the pull rod (5) extends outwards from one end surface of the three-way pipe (7), a sealing plate is arranged between the three-way pipe (7) and the pull rod (5), and a telescopic hole and a sealing device of the pull rod (5) are arranged on the sealing plate.
3. The back washing device for the boiler permanent magnet fan heat exchanger according to claim 1, characterized in that: and the flushing drainage pipeline (4) is connected with the cooling water inlet pipeline (2) through a three-way pipeline.
4. The back washing device for the boiler permanent magnet fan heat exchanger according to claim 1, characterized in that: the washing and drainage pipeline (4) is sleeved on the outer side of the cooling water inlet pipeline (2), and the washing and drainage pipeline (4) is communicated with the inner cavity of the panel type heat exchanger (1).
5. The back washing device for the boiler permanent magnet fan heat exchanger according to claim 3 or 4, characterized in that: a positioning plate is arranged on the cooling water inlet pipeline (2), and a guide hole (8) at the inner end of the pull rod (5) is arranged on the positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123038263.6U CN216348043U (en) | 2021-12-06 | 2021-12-06 | Back flushing device for boiler permanent magnet fan heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123038263.6U CN216348043U (en) | 2021-12-06 | 2021-12-06 | Back flushing device for boiler permanent magnet fan heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216348043U true CN216348043U (en) | 2022-04-19 |
Family
ID=81157612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123038263.6U Active CN216348043U (en) | 2021-12-06 | 2021-12-06 | Back flushing device for boiler permanent magnet fan heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216348043U (en) |
-
2021
- 2021-12-06 CN CN202123038263.6U patent/CN216348043U/en active Active
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