CN221051611U - Rotating film deaerator - Google Patents
Rotating film deaerator Download PDFInfo
- Publication number
- CN221051611U CN221051611U CN202322879074.4U CN202322879074U CN221051611U CN 221051611 U CN221051611 U CN 221051611U CN 202322879074 U CN202322879074 U CN 202322879074U CN 221051611 U CN221051611 U CN 221051611U
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- Prior art keywords
- water
- pipe
- deoxidizing
- water tank
- steam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 128
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000012546 transfer Methods 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000006392 deoxygenation reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model discloses a rotary film deaerator, wherein an auxiliary heating pipe, a heat transfer pipe and a porous pipe are arranged in a deaeration water tank; the deoxidizing tower is internally provided with a water chamber, a rotating film pipe, a communicating pipe and a filler group; the deoxidizing tower is provided with an air outlet, an air inlet and a water outlet; the steam can enter the deoxidizing water tank through the auxiliary heating pipe, and then condensed water is generated after heat exchange and cooling, and the condensed water and water in the deoxidizing water tank are mixed and heated to form steam, so that the steam loss is reduced, and the water hammer vibration is avoided; the device can realize the running conditions of water solubility and high-temperature gas solubility under low pressure, can reduce the working pressure of the rotary film deaerator, ensures that the steam heat exchange is more sufficient, ensures that the steam of the deaeration head is fully exchanged with the water film of the rotary film pipe, promotes the thorough exchange of the steam and the water film, is beneficial to realizing the zero emission standard except oxygen, does not need to be additionally provided with a dead steam recovery device, and saves energy.
Description
Technical Field
The utility model belongs to the technical field of rotary film deaerators, and particularly relates to a rotary film deaerator.
Background
The spiral membrane deaerator separates out non-condensed gases such as oxygen, carbon dioxide and the like in the dissolved water from the water according to Henry's law and Dalton's law, and the non-condensed gases are discharged into the atmosphere through a top exhaust pipe, so that the oxygen content in the water reaches a specified standard, and qualified deaerated water is stored in a water tank at the lower part of the deaerator; the operation principle is that a film-lifting device composed of a plurality of jet-flow film-rotating pipes (film-lifting pipes for short) is used as a steam-water heat-mass exchanging device.
At present, the rotary film deaerator has the defects of large exhaust gas quantity, high dissolved oxygen content and the like, for example, the exhaust gas quantity is generally higher than 2-3 per mill, and if the exhaust gas quantity reaches 5256 tons of steam discharge per year according to the deaerator of 200t/h, the steam quantity is wasted, so that great economic loss is caused for enterprises.
Some items in the prior art improve the defects by adding a dead steam recovery device, but the mode also causes the problem of greatly increasing the cost.
Disclosure of utility model
In order to solve at least one of the problems of the rotating film deaerator in the prior art, the utility model provides the rotating film deaerator, so that the energy-saving and emission-reducing effects are improved, the cost is reduced, the subsequent maintenance cost is reduced, and the steam cost is saved for enterprises.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a rotary film deaerator, comprising:
an deoxidizing water tank,
One end of the auxiliary heating pipe is arranged outside the deoxidizing water tank and is opened, and the other end of the auxiliary heating pipe extends into the deoxidizing water tank;
the heat transfer pipe is arranged in the deoxidizing water tank, and one end of the heat transfer pipe is connected with the other end of the auxiliary heating pipe;
The porous pipe is arranged in the deoxidizing water tank, one end of the porous pipe is connected with the other end of the heat transfer pipe, and the side wall of the porous pipe is provided with at least two air injection holes;
The deoxidizing tower is connected to the deoxidizing water tank;
The separation plates are arranged in the deoxidizing tower and are at least two, and a plurality of separation plates are connected with the side wall of the deoxidizing tower to form a water chamber;
The membrane rotating pipe is arranged in the water chamber, first connecting holes are respectively formed in the partition plates at the two ends of the membrane rotating pipe, and the membrane rotating pipe is fixedly connected in the first connecting holes; both ends of the membrane rotating pipe are provided with openings and respectively extend out of the water chamber through the first connecting holes; the side wall of the spinning film pipe, which is positioned in the water chamber, is provided with a first water permeable hole;
The communicating pipes are arranged in the water chamber, second connecting holes are respectively formed in the partition plates at the two ends of the communicating pipes, and the communicating pipes are fixedly connected in the second connecting holes; both ends of the communicating pipe are provided with openings and respectively extend out of the water chamber through the second connecting holes;
The filler group is arranged in the deoxidizing tower and below the water chamber, and a water dividing grate is arranged on the filler group;
The air outlet is arranged at the top of the deoxidizing tower;
the air inlet is arranged at the bottom of the deoxidizing tower;
The water outlet is arranged at the bottom of the deoxidizing water tank.
The spiral membrane deaerator can enable steam to enter the deaeration water tank through the auxiliary heating pipe, generate condensed water after heat exchange and cooling, and enable the condensed water to be mixed with water in the deaeration water tank and heated to form steam, so that loss of steam quantity is reduced.
Preferably, the auxiliary heating pipe extends into the lower position of the deaeration water tank.
Preferably, the heat transfer tube is provided in an arcuate coil configuration.
Preferably, the number of the membrane rotating pipes is at least two, and the communicating pipes are respectively arranged between the adjacent membrane rotating pipes.
Preferably, the gas injection holes are distributed in at least two rows on the side wall of the perforated tube and are arranged in a uniform distribution.
Preferably, the first water permeable holes are arranged to be uniformly distributed.
Preferably, a fixed bracket is arranged in the deoxidizing water tank, and the fixed bracket is in supporting connection with the heat transfer pipe.
Preferably, the fixing brackets are at least two and are uniformly distributed.
Preferably, a pressing strip is arranged on the water dividing grate.
Preferably, the number of the pressing strips is at least two, and the pressing strips are uniformly distributed.
The rotary film deaerator disclosed by the utility model has the following beneficial effects:
1. after entering the deoxidizing water tank through the auxiliary heating pipe, the steam firstly exchanges heat and cools to generate condensed water, and the condensed water and water in the deoxidizing water tank are mixed and heated to form steam, so that the loss of steam quantity is reduced, and meanwhile, the water hammer vibration is avoided.
2. The contradiction between high-pressure steam and low-temperature water dissolution in the working process of the rotary film deaerator in the prior art can be solved, and the running working conditions of water solubility and high-temperature gas solubility in the low pressure can be realized; the operation mode can reduce the air consumption of the deaeration head in the deaeration tower, thereby reducing the working pressure of the rotary film deaerator, enabling the steam heat exchange to be more sufficient, further enabling the steam of the deaeration head to be fully exchanged with the water film of the rotary film pipe, reducing the steam emission without consumption, promoting the thorough exchange of the steam and the water film, being beneficial to realizing the zero emission standard except oxygen, avoiding the addition of a dead steam recovery device and saving energy.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the spin-film deaerator of the present utility model.
Fig. 2 is a partial enlarged view of I in fig. 1.
Reference numerals in the drawings:
1 is an deoxidizing water tank, 110 is an auxiliary heating pipe, 120 is a heat transfer pipe, 130 is a porous pipe, 140 is a fixed bracket, 2 is an deoxidizing tower, 210 is a partition plate, 211 is a water chamber, 220 is a spinning membrane pipe, 221 is a first water permeable hole, 230 is a communicating pipe, 240 is a filling group, 241 is a water dividing grate, 242 is a pressing strip, 250 is an air outlet, and 260 is an air inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are 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 utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "front", "rear", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.
Examples
Referring to fig. 1 and 2 in combination, a rotary film deaerator includes:
The deoxidizing water tank 1,
An auxiliary heating pipe 110, one end of which is arranged outside the deaerating water tank 1 and is opened, and the other end of which extends into the deaerating water tank 1;
A heat transfer pipe 120 disposed in the deaerated water tank 1, one end of which is connected to the other end of the auxiliary heating pipe 110;
A porous pipe 130 arranged in the deaeration water tank 1, one end of which is connected with the other end of the heat transfer pipe 120, and the side wall of which is provided with at least two air injection holes;
the deoxidizing tower 2 is connected to the deoxidizing water tank 1;
The partition plates 210 are arranged inside the deoxidizing tower 2 and are at least two, and the partition plates 210 are connected with the side wall of the deoxidizing tower 2 to form a water chamber 211;
The film rotating pipe 220 is arranged in the water chamber 211, and the partition plates 210 at the two ends of the film rotating pipe 220 are respectively provided with a first connecting hole, and the film rotating pipe 220 is fixedly connected in the first connecting holes; both ends of the spin-film tube 220 are provided as openings and respectively extend out of the water chamber 211 through the first connection holes; the side wall of the spin-film tube 220 positioned in the water chamber 211 is provided with a first water permeable hole 221;
Communication tube 230, provided inside water chamber 211, having second connection holes formed at both end positions of partition 210, respectively, and communication tube 230 being fixedly connected in the second connection holes; both ends of the communicating tube 230 are provided as openings and respectively extend to the outside of the water chamber 211 through the second connection holes;
A packing set 240 disposed inside the deoxidizing tower 2 and below the water chamber 211, on which a water dividing grate 241 is disposed;
the air outlet 250 is arranged at the top of the deoxidizing tower 2;
an air inlet 260 disposed at the bottom of the deoxidizing tower 2;
the water outlet is arranged at the bottom of the deoxidizing water tank 1.
In the rotary film deaerator of the present embodiment, one end of the auxiliary heating pipe 110 is disposed outside the deaerating water tank 1 and is opened for connecting with a steam pipeline. The connection pipe 230 serves to condense condensed water formed by the vapor carried out of the spin-film tube 220 and to drop the condensed water. After the deaeration is carried out by the spiral film deaerator, water enters the deaeration water tank 1 for storage, and enters a water feed pump of the boiler through a water outlet at the bottom of the deaeration water tank 1. The packing set 240 is provided with a packing layer. The spin-film tube 220 constitutes a spin-film region and forms a water film in the water chamber 211. An deoxidizing head is arranged in the deoxidizing tower 2.
In the spiral membrane deaerator of the embodiment, steam enters the heat transfer tube 120 through the opening of the auxiliary heating tube 110, and after the steam exchanges heat with water in the deaeration water tank 1 to form condensed water, the condensed water is mixed with the water in the deaeration water tank 1 to be heated and then form steam for heat exchange, so that the loss steam quantity sprayed out by the air spraying holes of the porous tube 130 is reduced; steam enters the reaction space of the deoxygenation tower 2 above through the packing layer of the packing group 240, continuously goes upward to enter a spinning film region formed by the spinning film pipe 220, and transfers heat with a water film, so that the heat exchange amount of the deoxygenation head in the deoxygenation tower 2 is reduced; therefore, the contradiction between high-pressure steam and low-temperature water dissolution in the working process of the rotary film deaerator in the prior art can be solved by steam heat exchange in the deaeration water tank 1, and the running working conditions of water solubility and high-temperature gas solubility in the low pressure can be realized. The spiral membrane deaerator of this embodiment, its operational mode can reduce the gas consumption of deoxidization head in deoxidization tower 2 to reduce the operating pressure of spiral membrane deaerator, make steam heat exchange more abundant, and then make the steam of deoxidization head and the water film exchange of spiral membrane pipe abundant, reduce the steam emission of no consumption, promote the thorough exchange of steam and water film, do benefit to the realization and except that the zero release standard of oxygen, need not to add exhaust steam recovery unit, and the energy saving.
Specifically, the spin film tube 220 is configured as a vertical tube, and the partition plates 210 at the upper and lower ends thereof are respectively provided with a first connection hole, and the upper and lower parts of the spin film tube 220 are respectively and fixedly connected in the first connection holes.
Communication pipe 230 is provided as a vertical pipe, and second connection holes are respectively formed in partition 210 at the upper and lower end positions thereof, and the upper and lower parts of communication pipe 230 are fixedly connected in the second connection holes, respectively; both upper and lower ends of the communicating tube 230 are provided as openings and protrude outside the water chamber 211 through the second connection holes, respectively.
In some embodiments, the auxiliary heating pipe 110 extends into the lower position of the deoxygenated water tank 1, i.e., the length of the auxiliary heating pipe 110 is increased, facilitating the first heat exchange of steam with water in the deoxygenated water tank 1 to form condensation water as the steam passes through the auxiliary heating pipe 110.
In some embodiments, the heat transfer tube 120 is configured in an arcuate coil configuration, thereby increasing the length of the heat transfer tube 120, as well as facilitating the first heat exchange of steam with water in the deoxygenated water tank 1 to form condensation as it passes through the heat transfer tube 120.
In some embodiments, the spin film tube 220 is provided in at least two. Communicating tubes 230 are provided between adjacent spin-film tubes 220, respectively.
The gas injection holes are distributed in at least two rows on the side walls of the perforated tubes 130 and are arranged in a uniform distribution.
The first water penetration holes 221 are provided to be uniformly distributed.
In some embodiments, a fixing bracket 140 is arranged in the deaerated water tank 1, and the fixing bracket 140 supports and connects the heat transfer tube 120. The fixing brackets 140 are provided in at least two and uniformly distributed.
In some embodiments, the water dividing grate 241 is provided with a bead 242 thereon. The layering 242 is provided in at least two and uniformly distributed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art 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 depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A spin-film deaerator, comprising:
an deoxidizing water tank,
One end of the auxiliary heating pipe is arranged outside the deoxidizing water tank and is opened, and the other end of the auxiliary heating pipe extends into the deoxidizing water tank;
the heat transfer pipe is arranged in the deoxidizing water tank, and one end of the heat transfer pipe is connected with the other end of the auxiliary heating pipe;
The porous pipe is arranged in the deoxidizing water tank, one end of the porous pipe is connected with the other end of the heat transfer pipe, and the side wall of the porous pipe is provided with at least two air injection holes;
The deoxidizing tower is connected to the deoxidizing water tank;
The separation plates are arranged in the deoxidizing tower and are at least two, and a plurality of separation plates are connected with the side wall of the deoxidizing tower to form a water chamber;
The membrane rotating pipe is arranged in the water chamber, first connecting holes are respectively formed in the partition plates at the two ends of the membrane rotating pipe, and the membrane rotating pipe is fixedly connected in the first connecting holes; both ends of the membrane rotating pipe are provided with openings and respectively extend out of the water chamber through the first connecting holes; the side wall of the spinning film pipe, which is positioned in the water chamber, is provided with a first water permeable hole;
The communicating pipes are arranged in the water chamber, second connecting holes are respectively formed in the partition plates at the two ends of the communicating pipes, and the communicating pipes are fixedly connected in the second connecting holes; both ends of the communicating pipe are provided with openings and respectively extend out of the water chamber through the second connecting holes;
The filler group is arranged in the deoxidizing tower and below the water chamber, and a water dividing grate is arranged on the filler group;
The air outlet is arranged at the top of the deoxidizing tower;
the air inlet is arranged at the bottom of the deoxidizing tower;
The water outlet is arranged at the bottom of the deoxidizing water tank.
2. The spin-film deaerator of claim 1, wherein the auxiliary heating tube extends into a lower position of the deaeration water tank.
3. The rotary film deaerator of claim 1, wherein the heat transfer tube is provided in an arcuate coiled configuration.
4. The rotary film deaerator according to claim 1, wherein at least two rotary film pipes are provided, and the communicating pipes are respectively provided between the adjacent rotary film pipes.
5. The rotating film deaerator of claim 1, wherein the gas injection holes are distributed in at least two rows on the side wall of the perforated tube and are arranged in a uniform distribution.
6. The spin-film deaerator of claim 1, wherein the first water permeable holes are disposed in a uniform distribution.
7. The rotary film deaerator according to any one of claims 1-6, wherein a fixed bracket is provided in the deaerating water tank, and the fixed bracket is supported and connected with the heat transfer pipe.
8. The rotary film deaerator according to claim 7, wherein the number of the fixing brackets is at least two and is uniformly distributed.
9. The rotary film deaerator according to any one of claims 1-6, characterized in that a bead is provided on the water dividing grate.
10. The rotary film deaerator according to claim 9, wherein the number of the pressing bars is at least two and is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322879074.4U CN221051611U (en) | 2023-10-26 | 2023-10-26 | Rotating film deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322879074.4U CN221051611U (en) | 2023-10-26 | 2023-10-26 | Rotating film deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221051611U true CN221051611U (en) | 2024-05-31 |
Family
ID=91207161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322879074.4U Active CN221051611U (en) | 2023-10-26 | 2023-10-26 | Rotating film deaerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221051611U (en) |
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2023
- 2023-10-26 CN CN202322879074.4U patent/CN221051611U/en active Active
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