CN220176214U - A filter equipment for boiler water supply - Google Patents
A filter equipment for boiler water supply Download PDFInfo
- Publication number
- CN220176214U CN220176214U CN202320997698.3U CN202320997698U CN220176214U CN 220176214 U CN220176214 U CN 220176214U CN 202320997698 U CN202320997698 U CN 202320997698U CN 220176214 U CN220176214 U CN 220176214U
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- filter
- cartridge
- welded
- wall
- connecting plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000004891 communication Methods 0.000 claims abstract description 12
- 239000010865 sewage Substances 0.000 claims abstract description 6
- 241000220317 Rosa Species 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 39
- 239000012535 impurity Substances 0.000 abstract description 14
- 238000011010 flushing procedure Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a filtering device for boiler water supply, which comprises a boiler and a filtering box, wherein the bottom wall of the filtering box is welded and communicated with the boiler through a first communication pipe, a first filtering cylinder is arranged in the filtering box, a second filtering cylinder penetrates into the first filtering cylinder, a third filtering cylinder penetrates into the second filtering cylinder, the first filtering cylinder is welded and connected with the inner wall of the bottom end of the filtering box, the top end of the third filtering cylinder is welded and connected with a connecting plate, the side wall of the filtering box is sequentially welded and communicated with a second water inlet branch pipe and a second communication pipe from top to bottom, the second water inlet branch pipe is communicated with a water inlet main pipe and the first water inlet branch pipe through a first three-way joint, and the second communication pipe is communicated with the first water inlet branch pipe and a sewage pipe through a second three-way joint. When the filtering device for boiler water supply is used for back flushing, the flushed impurities cannot adhere to the filtering cylinder again, so that the filtering cylinder is thoroughly cleaned, the filtering quality of the filtering cylinder is facilitated, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of filtering devices, in particular to a filtering device for boiler water supply.
Background
After the boiler works for a long time, a large amount of scale is formed in the inner wall and the pipeline, so that the water quality is affected, the heating efficiency of the boiler is reduced, and the prior art (CN 210874329U) provides a filtering device for the boiler, which is provided with a first filtering box and a second filtering box, and the water is purified and filtered through a filter layer in the first filtering box, so that the problem of scale formation in the boiler is effectively prevented, and simultaneously, the first filtering box and the second filtering box can be backwashed through a switching valve, so that the filtering effect is ensured;
however, the improvement has the defects that a plurality of filter layers are arranged, and the filter layers are arranged in parallel according to the drawing, so that when the water is filtered, water flows out of the filter box from left to right, a large amount of impurities are accumulated on the left side surface of the filter layer, and when the water is backwashed, the water flows out of the filter box from right to left, so that the impurities accumulated on the left side of the filter layer can be flushed down, but due to the distribution design of the filter layers, the flushed impurities are adsorbed on the right side of the filter layer again when flowing along with the water, and the impurities cannot be completely flushed down;
when water is supplied into the boiler again, when water flows in the filter box, impurities on the right side of the filter layer are flushed down, the impurities and the water are mixed and then enter the boiler together, the filtering effect of the filter box cannot be improved due to the back flushing operation, so that scale can still be formed in the boiler, and the practicability is not strong;
in view of the above drawbacks of the prior art, it is necessary to further improve the device to make it more practical to meet the practical use.
Disclosure of Invention
The utility model aims to provide a filtering device for boiler water supply, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a filter equipment for boiler water supply, includes boiler and rose box, and the rose box diapire is through first communication pipe and boiler welded connection and be linked together, the rose box is inside to be provided with first cartridge filter, penetrates in the first cartridge filter has the second cartridge filter, and penetrates in the second cartridge filter has the third cartridge filter, first cartridge filter and rose box bottom end inner wall welded connection, third cartridge filter top welded connection has the connecting plate;
the side wall of the filter box is sequentially welded and communicated with a second water inlet branch pipe and a second communicating pipe from top to bottom, the second water inlet branch pipe is communicated with the water inlet main pipe and the first water inlet branch pipe through a first three-way joint, and the second communicating pipe is communicated with the first water inlet branch pipe and the sewage draining pipe through a second three-way joint;
the inner wall of the filter box is provided with grooves, the bottom wall of the connecting plate is provided with grooves, and the inner wall of the connecting plate is provided with holes distributed in an annular manner;
one end of the hole groove is communicated with the groove, and the other end of the hole groove is communicated with the outer wall of the connecting plate.
Further, a hydraulic cylinder is fixed on the filter box through bolts, and a piston rod of the hydraulic cylinder extends into the filter box and is connected with the top wall of the connecting plate in a welding way;
the connecting plate is of a circular structure, a rubber ring is adhered to the outer circular wall of the connecting plate, and the connecting plate is in sealing fit with the inner wall of the filter box through the rubber ring.
Further, the filter box, the first filter cartridge, the second filter cartridge and the third filter cartridge are coaxial, and the inner diameters of the first filter cartridge, the second filter cartridge and the third filter cartridge are sequentially reduced.
Further, the first communicating pipe is communicated with the bottom wall of the filter box, the groove and the filter box are coaxial, and the inner diameters of the first communicating pipe and the groove are smaller than the inner diameter of the third filter cartridge.
Further, the top end of the first filter cartridge is welded with a first lantern ring, the top end of the second filter cartridge is welded with a second lantern ring, the bottom end of the second filter cartridge is welded with a first limiting ring, and the bottom end of the third filter cartridge is welded with a second limiting ring;
the inner diameter of the first lantern ring is consistent with the diameter of the second filter cylinder, and the inner diameter of the first lantern ring is smaller than the diameter of the first limiting ring;
the inner diameter of the second lantern ring is consistent with the diameter of the third filter cylinder, and the inner diameter of the second lantern ring is smaller than the diameter of the second limiting ring.
Further, the groove is in a circular ring shape, the section of the groove is in a shape of , and the whole height of the groove is larger than the thickness of the connecting plate.
Compared with the prior art, the utility model has the beneficial effects that: the filtering device for boiler water supply is provided with the first filtering cylinder, the second filtering cylinder and the third filtering cylinder, so that three filtering layers can be formed, water flow can flow from the outside to the inside of the filtering cylinder, three filtering operations can be performed, and the filtering effect is ensured;
when the filter cartridge is required to be cleaned, the second filter cartridge and the third filter cartridge can move upwards, so that the second filter cartridge and the third filter cartridge can be stretched and opened, and therefore, when water flows from the inside to the outside of the filter cartridge to perform back flushing, impurities adhered to the outer wall of the filter cartridge can be flushed down, and the flushed impurities cannot adhere to the filter cartridge again, so that the filter cartridge is thoroughly cleaned, the filter quality of the filter cartridge is facilitated, and the practicability is strong.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic view showing the structure of the second and third filter cartridges of the present utility model after being moved;
FIG. 3 is a schematic view of the explosive structures of the first, second and third filter cartridges of the present utility model;
FIG. 4 is a schematic cross-sectional view of a connecting plate according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of the point a in fig. 2 according to the present utility model.
In the figure: 1. a boiler; 2. a filter box; 3. a first communication pipe; 4. a water inlet main pipe; 5. a first three-way joint; 6. a first water inlet branch pipe; 7. a second water inlet branch pipe; 8. a second three-way joint; 9. a blow-down pipe; 10. a second communicating pipe; 11. a first filter cartridge; 12. a second filter cartridge; 13. a third filter cartridge; 14. a connecting plate; 15. a first collar; 16. a second collar; 17. a first stop collar; 18. a second limiting ring; 19. a groove; 20. a groove; 21. and a hole groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a filter equipment for boiler water supply, including boiler 1 and rose box 2, rose box 2 diapire is through first connecting pipe 3 and boiler 1 welded connection and be linked together, the inside first cartridge filter 11 that is provided with of rose box 2, penetrate in the first cartridge filter 11 and have second cartridge filter 12, and penetrate in the second cartridge filter 12 and have third cartridge filter 13, first cartridge filter 11 and rose box 2 bottom inner wall welded connection, third cartridge filter 13 top welded connection has connecting plate 14, be fixed with the pneumatic cylinder on the rose box 2, and the piston rod of pneumatic cylinder stretches into in the rose box 2 and with connecting plate 14 roof welded connection, first cartridge filter 11, second cartridge filter 12 and third cartridge filter 13 are one set of design, can form three filter layers like this, can fully filter water, after the rose box 2 filters water, the rivers get into boiler 1 through first connecting pipe 3 like this;
as shown in fig. 2, when three cartridge filters are filtering water, the flow direction of water is by cartridge filter outside flow direction cartridge filter inside, can adhere a large amount of impurity on the cartridge filter outer wall like this, when needs carry out the back flush, can switch on the operation with the pneumatic cylinder, the pneumatic cylinder upwards pulls second cartridge filter 12 and third cartridge filter 13 through connecting plate 14, and make three cartridge filter form a straight tube-shape, and the flow direction of water is by cartridge filter inside flow direction cartridge filter outside this moment, when flowing, can wash down the impurity of adhesion on the cartridge filter outer wall, realize the back flush to the cartridge filter, guaranteed the filter effect of cartridge filter, because the part that overlaps can not exist to three cartridge filter, avoid the impurity to adhere to on the cartridge filter inner wall again along with the flow of water like this, prevent taking place secondary pollution.
The side wall of the filter tank 2 is sequentially welded and communicated with a second water inlet branch pipe 7 and a second communicating pipe 10 from top to bottom, the second water inlet branch pipe 7 is communicated with the water inlet main pipe 4 and the first water inlet branch pipe 6 through a first three-way joint 5, the second communicating pipe 10 is communicated with the first water inlet branch pipe 6 and a sewage pipe 9 through a second three-way joint 8, butterfly valves are connected to the first communicating pipe 3, the first water inlet branch pipe 6, the second water inlet branch pipe 7 and the sewage pipe 9 in a flange manner, when water needs to be supplied to the boiler 1, the butterfly valves on the second water inlet branch pipe 7 and the sewage pipe 9 are closed, the butterfly valves on the first communicating pipe 3 and the first water inlet branch pipe 6 are opened, water in the water inlet main pipe 4 enters the first water inlet branch pipe 6 through the first three-way joint 5 at this moment, and enters the second communicating pipe 10 through the second three-way joint 8, and the connecting plate 14 is in a circular structure, a rubber ring is adhered to the inner wall of the filter tank 2 through the rubber ring, at this moment, the connecting plate 14 and the bottom wall of the filter tank 2 form a closed lower cavity, and the second water flows into the boiler 1 through the three communicating pipes 3 and then enters the filter tank 1 after the three communicating pipes;
the inner wall of the filter tank 2 is provided with a groove 19, the bottom wall of the connecting plate 14 is provided with a groove 20, the inner wall of the connecting plate 14 is provided with annular holes 21, one end of each hole 21 is communicated with the groove 20, the other end of each hole is communicated with the outer wall of the connecting plate 14, the groove 19 is annular, the cross section of each groove 19 is , the whole height of each groove is larger than the thickness of the connecting plate 14, when three filter cartridges are required to be backwashed, the second filter cartridge 12 and the third filter cartridge 13 are pulled out upwards by starting a hydraulic cylinder, butterfly valves on the second water inlet branch pipe 7 and the drain pipe 9 are opened, butterfly valves on the first connecting pipe 3 and the first water inlet branch pipe 6 are closed, at the moment, water in the water inlet manifold 4 enters into the second water inlet branch pipe 7 through the first three-way joint 5, the connecting plate 14 and the top wall of the filter tank 2 form a closed upper cavity, and water in the second water inlet branch pipe 7 flows into the upper cavity;
the one end that hole groove 21 and connecting plate 14 outer wall are linked together can remove to the slot 19 in, and the rivers in the upper cavity can flow into hole groove 21 through slot 19, finally flow downwards through recess 20, and rivers can flow into the inside of three cartridge filter this moment, and the inside from the cartridge filter flows to outside at last, and the in-process of flowing can wash down the impurity that adheres to on the cartridge filter outer wall, and finally impurity and water's mixture flows into in the second communicating pipe 10 to discharge from blow off pipe 9 through second three way connection 8.
The filter box 2, the first filter cartridge 11, the second filter cartridge 12 and the third filter cartridge 13 are coaxial, and the inner diameters of the first filter cartridge 11, the second filter cartridge 12 and the third filter cartridge 13 are sequentially reduced, so that a gap exists between the first filter cartridge 11 and the second filter cartridge 12, a gap exists between the second filter cartridge 12 and the third filter cartridge 13, water flow sequentially passes through the three filter cartridges, and the water flow is filtered through the three filters, so that the integral filtering effect is improved.
The communication position of the first communication pipe 3 and the bottom wall of the filter box 2 is designed to be in a position where the groove 20 and the bottom wall of the filter box 2 are communicated with each other, and the inner diameters of the first communication pipe 3 and the groove 20 are smaller than the inner diameter of the third filter cartridge 13, so that water flow can flow into the boiler 1 through the first communication pipe 3 after being filtered through the first filter cartridge 11, the second filter cartridge 12 and the third filter cartridge 13;
the position of the groove 20 is designed so that water flowing out through the groove 20 will first enter the third filter cartridge 13 and finally pass through the second filter cartridge 12 and the first filter cartridge 11 in sequence, thereby realizing the back flushing operation of the filter cartridges.
The top end of the first filter cylinder 11 is welded and connected with the first lantern ring 15, the top end of the second filter cylinder 12 is welded and connected with the second lantern ring 16, the bottom end of the second filter cylinder 12 is welded and connected with the first limiting ring 17, the bottom end of the third filter cylinder 13 is welded and connected with the second limiting ring 18, the inner diameter of the first lantern ring 15 is consistent with the diameter of the second filter cylinder 12, the inner diameter of the first lantern ring 15 is smaller than the diameter of the first limiting ring 17, the inner diameter of the second lantern ring 16 is consistent with the diameter of the third filter cylinder 13, the inner diameter of the second lantern ring 16 is smaller than the diameter of the second limiting ring 18, when the hydraulic cylinder is electrified and operated, the third filter cylinder 13 is pulled upwards through the connecting plate 14, so that the third filter cylinder 13 moves vertically along the second lantern ring 16, after the second limiting ring 18 is attached to the second lantern ring 16, the third filter cylinder 13 drives the second filter cylinder 12 to move along the first lantern ring 15 until the first limiting ring 17 is attached to the first lantern ring 15, at the moment, the second filter cylinder 12 and the third filter cylinder 13 move out of the first filter cylinder 11 to form a straight cylinder without overlapping part, thus the dirt cannot adhere to the inner wall of the filter cylinder when the back flushing operation is carried out, and the dirt effect is improved.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A filter equipment for boiler water supply, includes boiler (1) and rose box (2), rose box (2) diapire through first communication pipe (3) and boiler (1) welded connection and be linked together, its characterized in that: the novel filter is characterized in that a first filter cartridge (11) is arranged inside the filter box (2), a second filter cartridge (12) penetrates into the first filter cartridge (11), a third filter cartridge (13) penetrates into the second filter cartridge (12), the first filter cartridge (11) is welded with the inner wall of the bottom end of the filter box (2), and a connecting plate (14) is welded at the top end of the third filter cartridge (13);
the side wall of the filter tank (2) is sequentially welded and communicated with a second water inlet branch pipe (7) and a second communicating pipe (10) from top to bottom, the second water inlet branch pipe (7) is communicated with the water inlet main pipe (4) and the first water inlet branch pipe (6) through a first three-way joint (5), and the second communicating pipe (10) is communicated with the first water inlet branch pipe (6) and a sewage draining pipe (9) through a second three-way joint (8);
the inner wall of the filter box (2) is provided with grooves (19), the bottom wall of the connecting plate (14) is provided with grooves (20), and the inner wall of the connecting plate (14) is provided with annular holes (21);
one end of the hole groove (21) is communicated with the groove (20), and the other end of the hole groove is communicated with the outer wall of the connecting plate (14).
2. A filter arrangement for a boiler feed water as claimed in claim 1, characterized in that: a hydraulic cylinder is fixed on the filter box (2) through bolts, and a piston rod of the hydraulic cylinder extends into the filter box (2) and is welded with the top wall of the connecting plate (14);
the connecting plate (14) is of a circular structure, a rubber ring is adhered to the outer circular wall of the connecting plate, and the connecting plate is in sealing fit with the inner wall of the filter box (2) through the rubber ring.
3. A filter arrangement for a boiler feed water as claimed in claim 1, characterized in that: the filter box (2), the first filter cartridge (11), the second filter cartridge (12) and the third filter cartridge (13) are coaxial, and the inner diameters of the first filter cartridge (11), the second filter cartridge (12) and the third filter cartridge (13) are sequentially reduced.
4. A filter arrangement for a boiler feed water as claimed in claim 3, characterized in that: the first communication pipe (3) is connected with the bottom wall of the filter box (2), the groove (20) and the filter box (2) are coaxial, and the inner diameters of the first communication pipe (3) and the groove (20) are smaller than the inner diameter of the third filter cartridge (13).
5. A filter arrangement for a boiler feed water as claimed in claim 1, characterized in that: the top end of the first filter cylinder (11) is welded and connected with a first lantern ring (15), the top end of the second filter cylinder (12) is welded and connected with a second lantern ring (16), the bottom end of the second filter cylinder (12) is welded and connected with a first limiting ring (17), and the bottom end of the third filter cylinder (13) is welded and connected with a second limiting ring (18);
the inner diameter of the first lantern ring (15) is consistent with the diameter of the second filter cartridge (12), and the inner diameter of the first lantern ring (15) is smaller than the diameter of the first limiting ring (17);
the inner diameter of the second lantern ring (16) is consistent with the diameter of the third filter cylinder (13), and the inner diameter of the second lantern ring (16) is smaller than the diameter of the second limiting ring (18).
6. A filter arrangement for a boiler feed water as claimed in claim 1, characterized in that: the groove (19) is annular, the section of the groove (19) is , and the overall height of the groove is larger than the thickness of the connecting plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320997698.3U CN220176214U (en) | 2023-04-27 | 2023-04-27 | A filter equipment for boiler water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320997698.3U CN220176214U (en) | 2023-04-27 | 2023-04-27 | A filter equipment for boiler water supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220176214U true CN220176214U (en) | 2023-12-15 |
Family
ID=89114093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320997698.3U Active CN220176214U (en) | 2023-04-27 | 2023-04-27 | A filter equipment for boiler water supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220176214U (en) |
-
2023
- 2023-04-27 CN CN202320997698.3U patent/CN220176214U/en active Active
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