CN213362432U - Working medium heat recovery device of thermal power plant - Google Patents

Working medium heat recovery device of thermal power plant Download PDF

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Publication number
CN213362432U
CN213362432U CN202020542347.XU CN202020542347U CN213362432U CN 213362432 U CN213362432 U CN 213362432U CN 202020542347 U CN202020542347 U CN 202020542347U CN 213362432 U CN213362432 U CN 213362432U
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China
Prior art keywords
seal heater
deaerator
thermal power
working medium
oxygen
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CN202020542347.XU
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Chinese (zh)
Inventor
郭文军
袁春江
吴庆国
杨安志
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郭文军
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Abstract

The utility model relates to the technical field of thermal power generation, and discloses a device for recovering working medium heat in a thermal power plant, which comprises a deaerator, wherein one side of the deaerator is provided with a shaft seal heater, a connecting pipeline is arranged above the deaerator, the input end of the connecting pipeline is fixedly connected with the running steam exhaust outlet of the deaerator, and the output end of the connecting pipeline is fixedly connected with the input end of the shaft seal heater; through the operation steam exhaust exit fixed connection pipeline at the oxygen-eliminating device, simultaneously with the other end of connecting tube and the input fixed connection of bearing seal heater, in the time of normal operating, the operation steam exhaust of oxygen-eliminating device can be through the connecting tube during the gland seal heater of discharging into, can carry out recycle to the heat of operation steam exhaust through the bearing seal heater, avoid the oxygen-eliminating device at the in-process of normal operating, cause a large amount of thermal losses of working medium to be unfavorable for environmental protection and energy saving.

Description

Working medium heat recovery device of thermal power plant
Technical Field
The utility model relates to a thermal power technical field specifically is a working medium heat device is retrieved to thermal power factory.
Background
Thermal power, utilize the heat energy that combustible substance produced when burning, a kind of electricity generation mode of electric energy is converted to through power generation power device, thermal power's in-process, often need use the oxygen-eliminating device, the operation steam extraction effect of oxygen-eliminating device utilizes the noncondensable gas that henry's law separates the oxygen-eliminating device to immediately discharge the atmosphere, reduce oxygen-eliminating device vapour side gas partial pressure, guarantee oxygen-eliminating device water side dissolved oxygen volume at the allowed range, thereby make the oxygen-eliminating device reach good deoxidization effect.
When the deaerator normally operates, the deaerator operates to directly discharge exhaust steam to the atmosphere, so that the exhaust steam heat loss is caused, and the deaerator is not beneficial to environmental protection and energy conservation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a working medium heat device is retrieved to thermal power factory has solved the direct atmospheric air of running the steam extraction when oxygen-eliminating device normal operating, causes steam extraction calorific loss, is unfavorable for environmental protection and energy saving's problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thermal power factory retrieves working medium heat device, includes the oxygen-eliminating device, one side of oxygen-eliminating device is equipped with the bearing seal heater, just the top of oxygen-eliminating device is equipped with the connecting tube, the input of connecting tube with the operation steam extraction export fixed connection of oxygen-eliminating device, just the output of connecting tube with the input fixed connection of bearing seal heater.
Preferably, a first manual valve and a second manual valve are sequentially fixed on the outer side wall of the connecting pipeline from left to right.
Preferably, a first shaft blower and a second shaft blower are sequentially arranged above the shaft seal heater from left to right, and the first shaft blower and the second shaft blower are fixedly connected with the shaft seal heater through pipelines.
(III) advantageous effects
The utility model provides a working medium heat device is retrieved to thermal power factory possesses following beneficial effect:
the utility model discloses an at the operation steam exhaust exit fixed connection pipeline of oxygen-eliminating device, simultaneously with the other end of connecting tube and the input fixed connection of bearing seal heater, in the time of normal operating, the operation steam exhaust of oxygen-eliminating device can be through the connecting tube row go into the bearing seal heater, can carry out recycle to the heat of operation steam exhaust through the bearing seal heater, avoid the oxygen-eliminating device at the in-process of normal operating, cause a large amount of thermal losses of working medium to be unfavorable for environmental protection and energy saving.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a deaerator; 2. connecting a pipeline; 3. a first manual valve; 4. a second manual valve; 5. a first shaft blower; 6. a second shaft air adding machine; 7. a shaft seal heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a technical solution: the utility model provides a thermal power factory retrieves working medium heat device, including oxygen-eliminating device 1, one side of oxygen-eliminating device 1 is equipped with bearing seal heater 7, and the top of oxygen-eliminating device 1 is equipped with connecting tube 2, connecting tube 2's input and oxygen-eliminating device 1's operation steam extraction export fixed connection, and connecting tube 2's output and bearing seal heater 7's input fixed connection, in 1 normal operating of oxygen-eliminating device, the operation steam extraction of oxygen-eliminating device 1 can be arranged into bearing seal heater 7 through connecting tube 2, can carry out recycle to the heat of operation steam extraction through bearing seal heater 7, avoid oxygen-eliminating device 1 at normal operating's in-process, cause the thermal loss of a large amount of working mediums, thereby be unfavorable for environmental protection and energy saving.
Furthermore, a first manual valve 3 and a second manual valve 4 are sequentially fixed on the outer side wall of the connecting pipeline 2 from left to right, the second manual valve 4 is used for isolating the deaerator 1 from the shaft seal heater 7, and the first manual valve 3 is used for exhausting steam after the deaerator 1 is isolated from the shaft seal heater 7.
Further, a first shaft blower 5 and a second shaft blower 6 are sequentially arranged above the shaft seal heater 7 from left to right, the first shaft blower 5 and the second shaft blower 6 are fixedly connected with the shaft seal heater 7 through a pipeline, the first shaft blower 5 and the second shaft blower 6 are used for pumping out non-condensed gas in the shaft seal heater 7, the negative pressure of the shaft seal heater 7 is maintained, and the smooth steam return of the shaft seal is kept.
To sum up, the utility model discloses a work flow: when deaerator 1 normal operating, the operation steam extraction of deaerator 1 can be through connecting tube 2 arrange into bearing seal heater 7, can carry out recycle to the heat of operation steam extraction through bearing seal heater 7, avoids deaerator 1 at normal operating's in-process, causes the thermal loss of a large amount of working mediums to be unfavorable for environmental protection and energy saving.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a working medium heat recovery device of thermal power factory, includes oxygen-eliminating device (1), its characterized in that: one side of the deaerator (1) is provided with a shaft seal heater (7), a connecting pipeline (2) is arranged above the deaerator (1), the input end of the connecting pipeline (2) is fixedly connected with the running exhaust steam outlet of the deaerator (1), and the output end of the connecting pipeline (2) is fixedly connected with the input end of the shaft seal heater (7).
2. The working medium heat recovery device of the thermal power plant according to claim 1, characterized in that: and a first manual valve (3) and a second manual valve (4) are sequentially fixed on the outer side wall of the connecting pipeline (2) from left to right.
3. The working medium heat recovery device of the thermal power plant according to claim 1, characterized in that: and a first shaft air adding machine (5) and a second shaft air adding machine (6) are sequentially arranged above the shaft seal heater (7) from left to right, and the first shaft air adding machine (5) and the second shaft air adding machine (6) are fixedly connected with the shaft seal heater (7) through pipelines.
CN202020542347.XU 2020-04-14 2020-04-14 Working medium heat recovery device of thermal power plant Active CN213362432U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020542347.XU CN213362432U (en) 2020-04-14 2020-04-14 Working medium heat recovery device of thermal power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020542347.XU CN213362432U (en) 2020-04-14 2020-04-14 Working medium heat recovery device of thermal power plant

Publications (1)

Publication Number Publication Date
CN213362432U true CN213362432U (en) 2021-06-04

Family

ID=76125104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020542347.XU Active CN213362432U (en) 2020-04-14 2020-04-14 Working medium heat recovery device of thermal power plant

Country Status (1)

Country Link
CN (1) CN213362432U (en)

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