CN202024308U - Thermal system containing double rows of deaerators - Google Patents
Thermal system containing double rows of deaerators Download PDFInfo
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- CN202024308U CN202024308U CN201120092556XU CN201120092556U CN202024308U CN 202024308 U CN202024308 U CN 202024308U CN 201120092556X U CN201120092556X U CN 201120092556XU CN 201120092556 U CN201120092556 U CN 201120092556U CN 202024308 U CN202024308 U CN 202024308U
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- oxygen
- eliminating device
- eliminating
- biserial
- deaerator
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Abstract
The utility model provides a thermal system containing double rows of deaerators, comprising a heating steam inlet pipeline, a condensation water inlet pipeline, a first deaerator and a second deaerator, wherein one interface of the first deaerator is connected with the heating steam inlet pipeline, another interface of the first deaerator is connected with the condensation water inlet pipeline, and the first deaerator also comprises a first deaerator water feed outlet intreface; and one interface of the second deaerator is connected with the heating steam inlet pipeline, another interface of the second deaerator is connected with the condensation water inlet pipeline, and the second deaerator also comprises a second deaerator water feed outlet. The thermal system is capable of utilizing the space of a plant with higher efficiency, and improving the running safety of the deaerators.
Description
Technical field
The utility model relates to the therrmodynamic system in the generating set in power plant, relates in particular to a kind of therrmodynamic system that contains the biserial oxygen-eliminating device of novelty.
Background technology
Normally, in the generating set in the power plant of prior art, has only one as the oxygen-eliminating device of therrmodynamic system bleeder heater.Yet along with station capacity increases gradually, the volume of oxygen-eliminating device also increases gradually.
In addition, along with some The application of new technique, current power plant has proposed some new requirements to oxygen-eliminating device.Regrettably, under the arrangement condition in some power plant and under the system requirements, separate unit oxygen-eliminating device of the prior art can't satisfy relevant requirement.
The oxygen-eliminating device in power plant is the contact(-type) heater in the extracted steam from turbine heat regenerative system, be used for removing dissolved oxygen and other incoagulable gas of feedwater, its method is directly to mix with feedwater with steam, feeds water to the pairing saturation temperature of oxygen-eliminating device operating pressure thereby add.In the prior art, oxygen-eliminating device is generally one of every generating set, and the common pattern of oxygen-eliminating device has: oxygen-eliminating device without a head (or claim an integral deaerator) and oxygen-eliminating device is arranged.The main interface of oxygen-eliminating device has: heating steam inlet, condensate water enter the mouth, give water out.Wherein, heating steam inlet enters the interface of oxygen-eliminating device for adopting drawing gas of main steam turbine as heating steam, and the condensate water inlet enters the interface of oxygen-eliminating device for heated aqueous medium, is saturation water outlet after condensate water is heated Steam Heating to water out.For example, Fig. 1 shows the system schematic that an oxygen-eliminating device is arranged of prior art.Fig. 2 shows the system schematic of the oxygen-eliminating device without a head of prior art.
Oxygen-eliminating device is one of every generating set in the prior art, is example with domestic common 600MW, the oxygen-eliminating device of 1000MW thermal power plant Turbo-generator Set, appearance and size that oxygen-eliminating device is common such as following table:
As can be seen from the above table, along with the increase of generating set capacity, the requirement of the relevant rules of the capacity of oxygen-eliminating device basis is also in continuous increase, and 1000MW unit oxygen-eliminating device without a head has reached nearly 40 meters at present, and diameter reaches more than 4 meters.And along with the increase gradually of oxygen-eliminating device volume, some shortcomings are also following:
(1) oxygen-eliminating device is an Aided Machine the longest in the thermal power plant, therefore the required position of oxygen-eliminating device is a long and narrow zone, this arranges to main building and brings significant limitation, and the position that must guarantee oxygen-eliminating device when arranging could be considered the layout of other equipment again.
(2) oxygen-eliminating device is owing to be a huge long and narrow equipment, long oxygen-eliminating device length will be brought difficulty to the transportation of oxygen-eliminating device equipment, be forced to be divided into two sections when just existence causes oxygen-eliminating device to dispatch from the factory owing to transportation problem at present, by the time oxygen-eliminating device is welded as a whole after transporting to power plant again, on the oxygen-eliminating device cylindrical shell, there is the weld bond of on-the-spot welding together like this, the quality of this road weld bond will bring hidden danger for the oxygen-eliminating device safe operation not as good as the weld bond of welding in the factory.
(3) excessive oxygen-eliminating device diameter will limit the makers' working ability of oxygen-eliminating device.
The utility model content
The utility model has proposed brand-new biserial oxygen-eliminating device technology at the heavy-duty generator group, can address the above problem effectively.
Particularly, the utility model proposes a kind of therrmodynamic system that contains the biserial oxygen-eliminating device, comprising: the heating steam admission passage; The condensate water inlet pipeline; First oxygen-eliminating device, interface connect described heating steam admission passage and another interface connects described condensate water inlet pipeline, and comprise one first deaerator feedwater discharge coupling; Second oxygen-eliminating device, interface connect described heating steam admission passage and another interface connects described condensate water inlet pipeline, and comprise one second deaerator feedwater discharge coupling.
According to a preferred embodiment of the present utility model, in the above-mentioned therrmodynamic system that contains the biserial oxygen-eliminating device, described first and second oxygen-eliminating devices are for there being an oxygen-eliminating device.
According to a preferred embodiment of the present utility model, in the above-mentioned therrmodynamic system that contains the biserial oxygen-eliminating device, described first and second oxygen-eliminating devices are oxygen-eliminating device without a head.
According to a preferred embodiment of the present utility model, in the above-mentioned therrmodynamic system that contains the biserial oxygen-eliminating device, described first and second oxygen-eliminating devices are arranged along row each other.
According to a preferred embodiment of the present utility model, in the above-mentioned therrmodynamic system that contains the biserial oxygen-eliminating device, described first and second oxygen-eliminating devices are arranged in juxtaposition each other.
According to a preferred embodiment of the present utility model, in the above-mentioned therrmodynamic system that contains the biserial oxygen-eliminating device, interconnect via a liaison tube between described first oxygen-eliminating device and described second oxygen-eliminating device.
Should be appreciated that the above generality of the utility model is described and the following detailed description all is exemplary and explanat, and be intended to provide further explanation for as claimed in claim the utility model.
Description of drawings
Comprise that accompanying drawing is for providing the utility model further to be understood, they are included and are constituted the application's a part, and accompanying drawing shows embodiment of the present utility model, and play the effect of explaining the utility model principle with this specification.In the accompanying drawing:
Fig. 1 shows the system schematic that an oxygen-eliminating device is arranged of prior art.
Fig. 2 shows the system schematic of the oxygen-eliminating device without a head of prior art.
Fig. 3 shows the structural representation according to the biserial oxygen-eliminating device of an embodiment of the present utility model.
Fig. 4 shows the structural representation according to the biserial oxygen-eliminating device of another embodiment of the present utility model.
Fig. 5 shows the layout schematic diagram of the biserial oxygen-eliminating device of another embodiment of the present utility model.
The specific embodiment
The utility model proposes biserial oxygen-eliminating device technology at the problem that existing oxygen-eliminating device runs into, and its exemplary systems please common Fig. 3 and Fig. 4.Every unit of oxygen-eliminating device is provided with the biserial oxygen-eliminating device, i.e. the first oxygen-eliminating device A shown in Fig. 3 and Fig. 4 and the second oxygen-eliminating device B.
Now will be in detail with reference to preferred embodiment of the present utility model, its example is shown in the drawings.In the case of any possible, in institute's drawings attached, will use identical mark to represent same or analogous part.In addition, although employed term is to select from public term in the utility model, but some mentioned terms may be that the applicant selects by his or her judgement in the utility model specification, and its detailed meanings illustrates in the relevant portion of the description of this paper.In addition, require not only by employed actual terms, but also will understand the utility model by the meaning that each term contained.
Fig. 3 shows the structural representation according to the biserial oxygen-eliminating device of an embodiment of the present utility model.As shown in Figure 3, mainly comprise according to a kind of therrmodynamic system that contains the biserial oxygen-eliminating device of the present utility model: heating steam admission passage 301, condensate water inlet pipeline 302, first oxygen-eliminating device 303, second oxygen-eliminating device 304, two feedwater discharge couplings 305 and liaison tubes 306.Wherein, above-mentioned heating steam admission passage 301, condensate water inlet pipeline 302, feedwater discharge coupling 305 can be one the tunnel also can be multichannel.
In the embodiment shown in fig. 3, first oxygen-eliminating device 303 is connected heating steam admission passage 301 and condensate water inlet pipeline 302 respectively with second oxygen-eliminating device 304, and these two oxygen-eliminating devices comprise a feedwater discharge coupling 305 respectively.In addition, also interconnect between first oxygen-eliminating device 303 and second oxygen-eliminating device 304 via liaison tube 306.In this embodiment shown in Figure 3, above-mentioned first oxygen-eliminating device 303 and second oxygen-eliminating device 304 have been an oxygen-eliminating device.
Fig. 4 shows the structural representation according to the biserial oxygen-eliminating device of another embodiment of the present utility model.As shown in Figure 4, mainly comprise according to a kind of therrmodynamic system that contains the biserial oxygen-eliminating device of the present utility model: heating steam admission passage 401, condensate water inlet pipeline 402, first oxygen-eliminating device 403, second oxygen-eliminating device 404, two feedwater discharge couplings 405 and liaison tubes 406.Wherein, above-mentioned heating steam admission passage 301, condensate water inlet pipeline 302, feedwater discharge coupling 305 can be one the tunnel also can be multichannel.
In the embodiment shown in fig. 4, first oxygen-eliminating device 403 and second oxygen-eliminating device 404 be connected heating steam admission passage 401 and condensate water inlet pipeline 402 respectively, and these two oxygen-eliminating devices comprise a feedwater discharge coupling 405 respectively.In addition, also interconnect between first oxygen-eliminating device 403 and second oxygen-eliminating device 404 via liaison tube 406.In this embodiment shown in Figure 4, the first above-mentioned oxygen-eliminating device 403 and second oxygen-eliminating device 404 are oxygen-eliminating device without a head (or title " integral deaerator ").
In above Fig. 3 and embodiment shown in Figure 4, first oxygen-eliminating device and second oxygen-eliminating device are to arrange along row each other.That is, the axis of first oxygen-eliminating device and second oxygen-eliminating device is located along the same line.But the utility model is not limited thereto.
For example, biserial oxygen-eliminating device of the present utility model also can be arranged in each other according to mode shown in Figure 5 and be arranged in juxtaposition.That is, the axis of first oxygen-eliminating device 501 and second oxygen-eliminating device 502 be arranged in parallel.In fact, because oxygen-eliminating device of the present utility model is set to two, therefore the layout of oxygen-eliminating device is more flexible than an oxygen-eliminating device, and two oxygen-eliminating devices can be to arrange along row also can be arranged in juxtaposition, or neatly two oxygen-eliminating devices are arranged in the different position of factory building according to the actual conditions of factory building.
With typical 1000MW oxygen-eliminating device without a head is example, and the biserial oxygen-eliminating device is as having same dischargeable capacity with traditional separate unit oxygen-eliminating device, and then its appearance and size is as follows:
This biserial oxygen-eliminating device is as adopting arrangement arranged side by side among Fig. 5, and then the position of oxygen-eliminating device equipment becomes a rectangular region by a long and narrow zone, helps making full use of the factory building space.And the more traditional oxygen-eliminating device length of the length of biserial oxygen-eliminating device lacked nearly 10 meters, and diameter has also reduced nearly 800mm, is convenient to make and transportation.
To sum up, the therrmodynamic system that contains the biserial oxygen-eliminating device of the present utility model has the following advantages at least:
(1) because the biserial oxygen-eliminating device is set to two, therefore the layout of oxygen-eliminating device is more flexible than an oxygen-eliminating device, two oxygen-eliminating devices can be to arrange along row also can be arranged in juxtaposition, or neatly two oxygen-eliminating devices are arranged in the different position of factory building according to the actual conditions of factory building, can efficient more the highland utilize the space of factory building.
(2) adopt the biserial oxygen-eliminating device can effectively reduce the length of oxygen-eliminating device, be convenient to oxygen-eliminating device from manufactory to the transportation between the user, avoided simultaneously because long causing of oxygen-eliminating device length is forced to be divided into two sections when dispatching from the factory, the integral body that realizes big capacity oxygen-eliminating device is dispatched from the factory, and has improved the security of oxygen-eliminating device operation.
(3) adopt the biserial oxygen-eliminating device can effectively reduce the barrel diameter of oxygen-eliminating device, eliminated of the restriction of excessive oxygen-eliminating device diameter oxygen-eliminating device manufactory working ability.
Those skilled in the art can be obvious, can carry out various modifications and variations and not depart from spirit and scope of the present utility model above-mentioned exemplary embodiment of the present utility model.Therefore, be intended to make the utility model to cover to drop in appended claims and the equivalence techniques scheme scope thereof to modification of the present utility model and modification.
Claims (6)
1. therrmodynamic system that contains the biserial oxygen-eliminating device comprises:
The heating steam admission passage;
The condensate water inlet pipeline;
First oxygen-eliminating device, interface connect described heating steam admission passage and another interface connects described condensate water inlet pipeline, and comprise one first deaerator feedwater discharge coupling;
Second oxygen-eliminating device, interface connect described heating steam admission passage and another interface connects described condensate water inlet pipeline, and comprise one second deaerator feedwater discharge coupling.
2. the therrmodynamic system that contains the biserial oxygen-eliminating device as claimed in claim 1 is characterized in that, described first and second oxygen-eliminating devices are for there being an oxygen-eliminating device.
3. the therrmodynamic system that contains the biserial oxygen-eliminating device as claimed in claim 1 is characterized in that, described first and second oxygen-eliminating devices are oxygen-eliminating device without a head.
4. the therrmodynamic system that contains the biserial oxygen-eliminating device as claimed in claim 1 is characterized in that, described first and second oxygen-eliminating devices are arranged along row each other.
5. the therrmodynamic system that contains the biserial oxygen-eliminating device as claimed in claim 1 is characterized in that, described first and second oxygen-eliminating devices are arranged in juxtaposition each other.
6. the therrmodynamic system that contains the biserial oxygen-eliminating device as claimed in claim 1 is characterized in that, interconnects via a liaison tube between described first oxygen-eliminating device and described second oxygen-eliminating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120092556XU CN202024308U (en) | 2011-03-31 | 2011-03-31 | Thermal system containing double rows of deaerators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120092556XU CN202024308U (en) | 2011-03-31 | 2011-03-31 | Thermal system containing double rows of deaerators |
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| Publication Number | Publication Date |
|---|---|
| CN202024308U true CN202024308U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120092556XU Expired - Lifetime CN202024308U (en) | 2011-03-31 | 2011-03-31 | Thermal system containing double rows of deaerators |
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| CN (1) | CN202024308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734789A (en) * | 2011-03-31 | 2012-10-17 | 中国电力工程顾问集团华东电力设计院 | A Thermal system with two deaerators |
| CN107044631A (en) * | 2016-11-15 | 2017-08-15 | 河南中烟工业有限责任公司 | A kind of residual neat recovering system of thermal deaerator discharge |
-
2011
- 2011-03-31 CN CN201120092556XU patent/CN202024308U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734789A (en) * | 2011-03-31 | 2012-10-17 | 中国电力工程顾问集团华东电力设计院 | A Thermal system with two deaerators |
| CN107044631A (en) * | 2016-11-15 | 2017-08-15 | 河南中烟工业有限责任公司 | A kind of residual neat recovering system of thermal deaerator discharge |
| CN107044631B (en) * | 2016-11-15 | 2019-08-27 | 河南中烟工业有限责任公司 | A kind of residual neat recovering system of thermal deaerator discharge |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |