CN220351768U - High-efficient rotary film atmospheric deaerator - Google Patents
High-efficient rotary film atmospheric deaerator Download PDFInfo
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- CN220351768U CN220351768U CN202321292367.6U CN202321292367U CN220351768U CN 220351768 U CN220351768 U CN 220351768U CN 202321292367 U CN202321292367 U CN 202321292367U CN 220351768 U CN220351768 U CN 220351768U
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- steam
- tower
- deoxidizing
- pipe
- water tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012856 packing Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Physical Water Treatments (AREA)
Abstract
The utility model discloses a high-efficiency rotary film atmospheric deaerator, which comprises a deaeration water tank and a deaeration tower, wherein the deaeration water tank and the deaeration tower are connected and communicated through a flange supporting and reinforcing structure, and the flange supporting and reinforcing structure is used for ensuring the stability of the deaeration tower; the auxiliary heating structure is arranged at the bottom of the structure deoxidizing water tank and is used for increasing the contact area of heating steam and water phase and avoiding the phenomenon of oxygen reflection of the deoxidizing water tank; and the packing layer is arranged at one end inside the deoxidizing tower. According to the double steam inlet pipes, steam can be led in from two directions, so that the circulation of a water body is smoother, dead water areas are reduced, the deoxidization effect is improved, meanwhile, the two steam inlet pipes are distributed in a right angle shape, oxygen can be distributed in the water body more uniformly, the deoxidization efficiency is improved, and the structure of the rotary film deaerator is more compact.
Description
Technical Field
The utility model relates to the technical field of deaerators, in particular to a high-efficiency rotary film atmospheric deaerator.
Background
The main function of the rotary film atmospheric deaerator is to remove oxygen and other gases in boiler feed water by using the deaerator, so as to ensure the quality of the feed water. Meanwhile, the deaerator is a mixed heater in a water supply backheating system, the effect of heating water supply and improving water supply temperature is achieved, the rotary film atmospheric deaerator mainly comprises a deaeration tower head, two large deaeration water tanks, a connecting pipe and an external connecting piece, the main component deaerator (deaeration tower head) is composed of a shell, a steam-water separator, a novel rotary film generator film lifting pipe water spraying grate, a heat accumulating material filling liquid steam net and other components, the rotary film pipe and the water grate are adopted for filling, water passes through the rotary film pipe, a formed water film group falls down and meets with rising steam flow, the water is heated rapidly, the removal speed of gas dissolved in the rotary film atmospheric deaerator in the process is higher, a steam inlet pipe is generally arranged at the lower part or at the side of the deaeration tower, the steam inlet amount of the rotary film atmospheric deaerator in the present stage is less, the steam which is difficult to provide steam for a water skirt in a short time, the deaeration efficiency is limited, and the circulation of the steam can only be guided into one direction, the water body is not smooth, the deaeration area is easy, the deaeration effect is affected, and the steam distribution in the rotary film cannot be reduced.
Disclosure of Invention
The utility model aims to provide a high-efficiency rotary film atmospheric deaerator for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high efficiency rotary film atmospheric deaerator comprising:
the device comprises a deoxidization water tank and a deoxidization tower, wherein the deoxidization water tank and the deoxidization tower are connected and communicated through a flange supporting and reinforcing structure, and the flange supporting and reinforcing structure is used for ensuring the stability of the deoxidization tower;
the auxiliary heating structure is arranged at the bottom of the structure deoxidizing water tank and is used for increasing the contact area of heating steam and water phase and avoiding the phenomenon of oxygen reflection of the deoxidizing water tank;
the filler layer is arranged at one end of the inside of the deoxidizing tower, a secondary steam inlet pipe is arranged on the outer wall of the deoxidizing tower at one side of the filler layer, and steam introduced by the secondary steam inlet pipe is used for improving steam inlet amount;
the rotary film structure is arranged at one end of the interior of the deaeration tower, a primary steam inlet pipe is arranged on the outer wall of the deaeration tower at one side of the rotary film structure, and steam led in by the primary steam inlet pipe is used for adjusting the shape of a liquid film on the rotary film structure;
the water inlet is arranged on the outer wall of one side of the deoxidizing tower, the top of the deoxidizing tower is provided with a cap-shaped separating device, and the top end of the deoxidizing tower above the cap-shaped separating device is provided with an exhaust pipe monomer.
Preferably, the flange support reinforcing structure comprises a lower flange plate arranged at the bottom end of the deoxidizing tower and an upper flange tower column which is connected with the top end of the deoxidizing water tank, and the upper flange tower column and the lower flange plate are mutually bolted.
Preferably, the auxiliary heating structure comprises an auxiliary heating air inlet and an auxiliary heating air outlet which are arranged at two ends inside the deaerating water tank, one ends of the auxiliary heating air inlet and the auxiliary heating air outlet, which are close to each other, are respectively provided with a steam parallel pipe II and a steam parallel pipe I, and the steam parallel pipe II and the steam parallel pipe I are connected with each other through a split-flow air guide structure.
Preferably, the split-flow air guide structure is a plurality of groups of parallel transverse pipes arranged between the steam parallel pipes II and I.
Preferably, the auxiliary heating air inlet, the first steam parallel pipe, the transverse pipe and the second steam parallel pipe are made of red copper members.
Preferably, six transverse pipes are arranged, and six groups of transverse pipes are in symmetrical structures relative to the Z-axis center line of the steam parallel pipe II.
Compared with the prior art, the utility model has the beneficial effects that: this kind of high-efficient spiral membrane atmospheric deaerator passes through the secondary steam intake pipe, the primary steam intake pipe sets up twice steam, primary steam adjusts the liquid film shape, the secondary steam is for increasing steam volume, can be with steam from two direction imports because of the root steam intake pipe, make the circulation of water more smooth and easy, reduce the dead water district, improve deoxidization effect, two steam intake pipes are right angle form distribution simultaneously, can make oxygen more evenly distributed in the water, improve deoxidization efficiency, make the structure of spiral membrane deaerator compacter, area is littleer, more be suitable for the restricted occasion in space, auxiliary heating structure increases heating steam and water tank area of contact simultaneously, avoid the water tank to return oxygen, but backward flow boiler after the steam heat transfer condensation.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
in the figure: 1. deoxidizing the water tank; 101. a flange tower column is arranged on the upper part; 2. an oxygen removal tower; 201. a lower flange; 3. a secondary steam inlet pipe; 4. a water inlet; 5. a primary steam inlet pipe; 6. an exhaust pipe unit; 7. a cap-type separating device; 8. a spin-film structure; 9. a filler layer; 10. an auxiliary heating air inlet; 11. a steam parallel pipe I; 12. a transverse tube; 13. a steam parallel pipe II; 14. and the auxiliary heating exhaust port.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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. 1-3, an embodiment of the present utility model is provided: the high-efficiency rotary film atmospheric deaerator comprises a deaeration water tank 1 and a deaeration tower 2, wherein the deaeration water tank 1 and the deaeration tower 2 are connected and communicated through a flange supporting and reinforcing structure, and the flange supporting and reinforcing structure is used for ensuring the stability of the deaeration tower 2;
the flange support reinforcing structure comprises a lower flange 201 arranged at the bottom end of the deoxidizing tower 2, and an upper flange tower column 101 which is connected with the top end of the deoxidizing water tank 1, wherein the upper flange tower column 101 and the lower flange 201 are mutually bolted;
the auxiliary heating structure is arranged at the bottom of the structure deoxidizing water tank 1 and used for increasing the contact area of heating steam and water phase and avoiding the phenomenon of oxygen reflection of the deoxidizing water tank 1;
the filler layer 9 is arranged at one end of the inside of the deoxidizing tower 2, the outer wall of the deoxidizing tower 2 at one side of the filler layer 9 is provided with a secondary steam inlet pipe 3, and steam led in by the secondary steam inlet pipe 3 is used for improving steam inlet amount;
the rotary film structure 8 is arranged at one end of the interior of the deoxidizing tower 2, the rotary film structure 8 utilizes centrifugal force to generate umbrella-shaped rotary liquid film for the water phase, so that the contact area between the water phase and steam can be increased, and the heat exchange capacity can be improved;
the primary steam inlet pipe 5 is arranged on the outer wall of the deoxidizing tower 2 at one side of the rotary film structure 8, steam led in by the primary steam inlet pipe 5 is used for adjusting the shape of a liquid film on the rotary film structure 8, and external high-temperature and high-pressure steam enters the deoxidizing tower 2 through the primary steam inlet pipe 5 and the secondary steam inlet pipe 3;
the water inlet 4 is arranged on the outer wall of one side of the deoxidizing tower 2, an external water source enters the rotary membrane structure 8 through the water inlet 4, a cap-shaped separation device 7 is arranged at the top of the deoxidizing tower 2, and an exhaust pipe monomer 6 is arranged at the top end of the deoxidizing tower 2 above the cap-shaped separation device 7;
two pieces of steam are arranged through the secondary steam air inlet pipe 3 and the primary steam air inlet pipe 5, the shape of a liquid film is adjusted by the primary steam, the secondary steam is used for increasing the steam quantity, and the steam can be led in from two directions by the double steam air inlet pipes, so that the circulation of a water body is smoother, a dead water area is reduced, the deoxidization effect is improved, and meanwhile, the two steam air inlet pipes are distributed in a right angle shape, so that oxygen can be distributed in the water body more uniformly;
the deaerator adopts three times of oxygen separation of a ladder layer, wherein the first time is heating separation in a filler layer 9, the second time is gravity separation in a rotary membrane structure 8, and the third time is centrifugal separation in a cap-shaped separation device 7, so that the deaeration effect is ensured, and a deaerated water phase enters into a deaeration water tank 1;
the auxiliary heating structure comprises an auxiliary heating air inlet 10 and an auxiliary heating air outlet 14 which are arranged at two ends of the interior of the deaerating water tank 1, wherein one ends of the auxiliary heating air inlet 10 and the auxiliary heating air outlet 14, which are close to each other, are respectively provided with a steam parallel pipe II 13 and a steam parallel pipe I11, and the steam parallel pipe II 13 and the steam parallel pipe I11 are connected with each other through a split-flow air guide structure;
the split-flow type air guide structure is formed by arranging a plurality of groups of parallel transverse pipes 12 between the steam parallel pipes II 13 and the steam parallel pipe I11, wherein six transverse pipes 12 are arranged, and the six groups of transverse pipes 12 are in a symmetrical structure relative to the Z-axis center line of the steam parallel pipe II 13;
the external high-temperature steam is shunted into a plurality of groups of transverse pipes 12 through the auxiliary heating air inlet 10 and the steam parallel pipe I11, is integrated and discharged in the steam parallel pipe II 13 and the auxiliary heating air outlet 14, the contact area between the heating steam and the water tank can be increased in the process, the oxygen return of the water tank is avoided, and the steam can flow back to the boiler after heat exchange and condensation to improve the water phase utilization rate;
the auxiliary heating air inlet 10, the first steam parallel pipe 11, the transverse pipe 12 and the second steam parallel pipe 13 are made of members made of red copper, and the red copper has excellent heat conductivity, ductility and corrosion resistance and can improve the heat conduction performance of the auxiliary heating air inlet 10, the first steam parallel pipe 11, the transverse pipe 12 and the second steam parallel pipe 13.
When the embodiment of the application is used, firstly, an external water source enters the rotary film structure 8 through the water inlet 4, and external high-temperature and high-pressure steam enters the deoxidizing tower 2 through the primary steam inlet pipe 5 and the secondary steam inlet pipe 3, at the moment, the rotary film structure 8 utilizes centrifugal force to generate an umbrella-shaped rotary liquid film on the water phase, the contact area between the water phase and the steam can be increased, the heat exchange capacity is improved, at the moment, the water phase is obliquely and spirally sprayed to the inner hole from the small hole of the film pipe of the rotary film structure 8 under a certain water level difference to form jet flow, as the steam enters the small hole of the film pipe of the rotary film structure 8, the inner hole is filled with rising heating steam, a large amount of heating steam is absorbed and rolled in the jet flow movement, a severe mixed heating effect is generated on a very short stroke, the water temperature is greatly improved, and the rotating water continuously rotates downwards along the inner hole wall of the film pipe, A layer of rolling water film skirt is formed, the critical Reynolds number of water is much reduced during rotary flow, namely turbulent rolling is generated, at the moment, the water heat and mass transfer effect of the water in a turbulent state is optimal, the water temperature reaches the saturation temperature, then oxygen is separated, because the oxygen cannot be randomly diffused in the inner hole of the rotary film structure 8, only rising steam can be discharged to the atmosphere from the exhaust pipe monomer 6, the function of deoxidizing the water phase is realized, in the process, two streams of steam are arranged through the secondary steam air inlet pipe 3 and the primary steam air inlet pipe 5, the shape of a liquid film is regulated by the primary steam, the secondary steam is increased in steam amount, and because the double steam air inlet pipes can introduce the steam from two directions, the circulation of the water body is smoother, the dead water area is reduced, the deoxidizing effect is improved, meanwhile, the two steam air inlet pipes are distributed in a right angle shape, the oxygen can be more evenly distributed in the water body, the deoxidizing efficiency is improved, the structure of the rotary film deaerator is more compact, the occupied area is smaller, and the deaerator is more suitable for occasions with limited space.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. An efficient rotary film atmospheric deaerator, comprising:
the device comprises a deoxidization water tank (1) and a deoxidization tower (2), wherein the deoxidization water tank (1) and the deoxidization tower (2) are connected and conducted through a flange supporting and reinforcing structure, and the flange supporting and reinforcing structure is used for ensuring the stability of the deoxidization tower (2);
the auxiliary heating structure is arranged at the bottom of the structure deoxidizing water tank (1) and is used for increasing the contact area of heating steam and water phase and avoiding the phenomenon of oxygen reflection of the deoxidizing water tank (1);
the filler layer (9), the filler layer (9) is arranged at one end in the deoxidizing tower (2), a secondary steam inlet pipe (3) is arranged on the outer wall of the deoxidizing tower (2) at one side of the filler layer (9), and steam led in by the secondary steam inlet pipe (3) is used for improving steam inlet amount;
the spiral film structure (8), the spiral film structure (8) is arranged at one end of the interior of the deaeration tower (2), a primary steam inlet pipe (5) is arranged on the outer wall of the deaeration tower (2) at one side of the spiral film structure (8), and steam led in by the primary steam inlet pipe (5) is used for adjusting the shape of a liquid film on the spiral film structure (8);
the device comprises a water inlet (4), wherein the water inlet (4) is arranged on the outer wall of one side of the deoxidizing tower (2), a cap-shaped separation device (7) is arranged at the top of the deoxidizing tower (2), and an exhaust pipe monomer (6) is arranged at the top end of the deoxidizing tower (2) above the cap-shaped separation device (7).
2. The high efficiency rotary film atmospheric deaerator of claim 1, wherein: the flange support reinforcing structure comprises a lower flange plate (201) arranged at the bottom end of the deoxidizing tower (2), and an upper flange tower column (101) which is arranged at the top end of the deoxidizing water tank (1) in a conducting mode, wherein the upper flange tower column (101) and the lower flange plate (201) are mutually bolted.
3. The high efficiency rotary film atmospheric deaerator of claim 1, wherein: the auxiliary heating structure comprises an auxiliary heating air inlet (10) and an auxiliary heating air outlet (14) which are arranged at two ends inside the deoxygenated water tank (1), one ends, close to each other, of the auxiliary heating air inlet (10) and the auxiliary heating air outlet (14) are respectively provided with a steam parallel pipe II (13) and a steam parallel pipe I (11), and the steam parallel pipe II (13) and the steam parallel pipe I (11) are connected with each other through a split-type air guide structure.
4. A high efficiency rotary film atmospheric deoxygenator as defined in claim 3 wherein: the split-flow air guide structure is a plurality of groups of parallel transverse pipes (12) which are arranged between the steam parallel pipes II (13) and the steam parallel pipes I (11).
5. The high efficiency rotary film atmospheric deaerator of claim 4, wherein: the auxiliary heating air inlet (10), the first steam parallel pipe (11), the transverse pipe (12) and the second steam parallel pipe (13) are made of red copper.
6. The high efficiency rotary film atmospheric deaerator of claim 4, wherein: six transverse pipes (12) are arranged, and six groups of transverse pipes (12) are in symmetrical structures relative to the Z-axis center line of the steam parallel pipe II (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292367.6U CN220351768U (en) | 2023-05-25 | 2023-05-25 | High-efficient rotary film atmospheric deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292367.6U CN220351768U (en) | 2023-05-25 | 2023-05-25 | High-efficient rotary film atmospheric deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220351768U true CN220351768U (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321292367.6U Active CN220351768U (en) | 2023-05-25 | 2023-05-25 | High-efficient rotary film atmospheric deaerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220351768U (en) |
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- 2023-05-25 CN CN202321292367.6U patent/CN220351768U/en active Active
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