CN220355398U - Full-protection air oxygenation equipment - Google Patents
Full-protection air oxygenation equipment Download PDFInfo
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- CN220355398U CN220355398U CN202322084883.6U CN202322084883U CN220355398U CN 220355398 U CN220355398 U CN 220355398U CN 202322084883 U CN202322084883 U CN 202322084883U CN 220355398 U CN220355398 U CN 220355398U
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- pipeline
- oxygenation
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- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 230000001502 supplementing effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 239000000428 dust Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000779 smoke Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of power plant power supply, in particular to full-protection air oxygenation equipment, which comprises a low-pressure cylinder, wherein the output end of the low-pressure cylinder is connected with a condenser through a pipeline, the output end of the condenser is connected with a low-pressure heater through a pipeline, the output end of the condenser is connected with a deaerator through a pipeline, the output end of the deaerator is connected with a high-pressure heater through a pipeline, and the full-protection air oxygenation equipment further comprises an oxygenation machine for supplementing oxygen.
Description
Technical Field
The utility model relates to the technical field of power supply of power plants, in particular to full-protection air oxygenation equipment.
Background
At present, a two-point oxygenation process of condensation water and water supply is adopted in a power plant, namely, in order to protect a high-water-adding and water-repellent side, main steam keeps dissolved oxygen with a certain concentration, so that the high-water-adding and water-repellent side keeps certain dissolved oxygen, and the problems that high-water-adding and water-repellent iron is higher or a regulating valve is blocked and the like are solved. However, after the main steam is added with external oxygen, the generation rate of oxide skin and the risk of peeling can be promoted, and even if the problem of peroxide skin or tube explosion does not occur, the risk exists objectively; if the main steam is not added with external oxygen, the high-added hydrophobic oxidation atmosphere disappears, the pH value is about 9.0, the content of the high-added hydrophobic iron can be increased, the flow acceleration corrosion is aggravated, and the phenomena of frequent blockage and cleaning of a hydrophobic regulating valve are caused; if the pH is increased to 9.2-9.3, the content of high-addition hydrophobic iron is reduced, but the water production in the finishing period is greatly reduced.
In summary, it is necessary to invent a fully protected air oxygenation device.
Disclosure of Invention
Therefore, the utility model provides a full-protection air oxygenation device, which solves the problems that after main steam is added with external oxygen, the generation rate of oxide scale and the risk of stripping are promoted.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a full protection air oxygenation equipment, includes the low pressure jar, the output of low pressure jar has the condenser through the pipe connection, the output of condenser has the low pressure heater through the pipe connection, the output of condenser has the deaerator through the pipe connection, the output of deaerator has the high pressure heater through the pipe connection, the steam exhaust end of high pressure heater has the high pressure jar through the pipe connection, still including the oxygenator that is used for supplementing oxygen, the air output of oxygenator is provided with the oxygenation point, and three the oxygenation point sets up respectively between condenser and low pressure heater intercommunication pipeline, between deaerator and the high pressure heater intercommunication pipeline and between high pressure heater and the high pressure jar steam delivery pipeline, the bottom of high pressure heater is through the input intercommunication of drainage system and deaerator.
Preferably, the water draining end of the high-pressure heater is connected with an economizer through a pipeline, and the output end of the economizer is connected with a water cooling wall through a pipeline.
Preferably, the output end of the water cooling wall is connected with a superheater through a pipeline, the output end of the superheater is connected with the water supply input end of the high-pressure cylinder through a pipeline, and the output end of the high-pressure cylinder is connected with a reheater through a pipeline.
Preferably, the output end of the reheater is connected with a medium pressure cylinder through a pipeline, and the output end of the medium pressure cylinder is connected with the input end of the low pressure cylinder through a pipeline.
Preferably, the oxygenation machine comprises a shell, an air inlet end is arranged on the upper portion of one side of the inner wall of the shell, an air inlet fan is arranged at the air inlet end, a dust removal box is arranged at the side end of the inner wall of the shell and at a position corresponding to the air inlet end, and a filter plate is arranged in the dust removal box.
Preferably, a dust removing cavity is arranged at the side end of the inner wall of the shell and below the dust removing box, the dust removing box is communicated with the oil removing cavity through a pipeline, and an oil absorption felt is arranged on the inner wall of the oil removing cavity.
Preferably, the inner wall of the shell and the side end positioned in the oil removal cavity are provided with an oil removal cavity, the oil removal cavity is communicated with the oil removal cavity through a pipeline, a partition plate is fixed in the vertical direction of the center of the inner wall of the oil removal cavity, and two sides of the partition plate are respectively provided with a water absorption resin layer and a heating device.
Preferably, the air vent is formed in the partition plate, the compressor is mounted on the inner wall of the shell and far away from one end of the water vapor removal cavity, the exhaust end of the water vapor removal cavity is communicated with the air inlet end of the compressor through a pipeline, and the exhaust end of the compressor is communicated with the oxygenation point.
The beneficial effects of the utility model are as follows:
according to the utility model, after natural air purification treatment (dust removal, oil removal, water removal and the like), clean air is used as an oxygenation medium, and meanwhile, direct oxygenation is carried out on condensation water, water supply and a high-oxygenation drainage system, so that the water supply dissolved oxygen can be accurately and stably controlled at a set value.
Drawings
FIG. 1 is a schematic diagram of the overall system architecture of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional structure of the oxygenator of the present utility model in front view.
In the figure: 100. a low pressure cylinder; 110. a medium pressure cylinder; 120. a high-pressure cylinder; 200. a condenser; 210. a low pressure heater; 300. a deaerator; 400. a high pressure heater; 410. a hydrophobic system; 500. an economizer; 510. a water cooling wall; 520. a superheater; 600. a reheater; 700. oxygen adding points; 800. an oxygenation machine; 810. a housing; 820. a dust removal box; 821. a filter plate; 830. removing an oil cavity; 831. an oil absorption felt; 840. a water vapor removal cavity; 841. a water-absorbent resin layer; 842. a heating device; 850. a compressor.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Referring to fig. 1-2, the full protection air oxygenation apparatus provided by the utility model comprises a low pressure cylinder 100, wherein the low pressure cylinder 100, the middle pressure cylinder 110 and the high pressure cylinder 120 are all important components of a steam turbine, when the steam turbine converts the heat energy of high temperature steam into mechanical energy rotating at high speed and drives a generator to cut magnetic lines of force to convert the electric energy, an output end of the low pressure cylinder 100 is connected with a condenser 200 through a pipeline, the condenser 200 is a heat exchanger for condensing steam discharged from the steam turbine into water, an output end of the condenser 200 is connected with a low pressure heater 210 through a pipeline, the low pressure heater 210 is used for heating the water supply by utilizing the steam which performs partial work in the steam turbine, the temperature of the water is increased, the steam quantity discharged from the steam turbine into the condenser is reduced, the energy loss is reduced, and the circulation efficiency of a thermodynamic system is improved, the output end of the condenser 200 is connected with the deaerator 300 through a pipeline, the deaerator 300 is one of key equipment of a boiler and a heating system, which removes oxygen and other gases dissolved in the feed water, prevents and reduces corrosion of a feed water pipe, the economizer 500 and other auxiliary equipment, the output end of the deaerator 300 is connected with the high-pressure heater 400 through a pipeline, the high-pressure heater 400 is a hybrid heater for heating the feed water after a high-pressure feed water pump and is used for improving the temperature of the feed water, improving economic benefit, the deaerator is an important part in the production flow of a thermal power plant and is used for realizing regenerative cycle, the steam discharge end of the high-pressure heater 400 is connected with the high-pressure cylinder 120 through a pipeline, the bottom end of the high-pressure heater 400 is communicated with the input end of the deaerator 300 through a drainage system 410, the drain end of the high-pressure heater 400 is connected with the economizer 500 through a pipeline, the provided economizer 500 is a device installed at the lower part of the tail flue of the boiler for recovering the waste heat of discharged smoke, heats the boiler feed water into a heating surface of saturated water under the pressure of a steam drum, reduces the temperature of discharged smoke of the smoke due to the fact that the heating surface absorbs the heat of high-temperature smoke, saves energy sources, improves efficiency, the output end of the economizer 500 is connected with a water cooling wall 510 through a pipeline, the provided water cooling wall 510 is laid on the inner wall of a boiler hearth and is an evaporation heating surface consisting of a plurality of parallel pipes, the water cooling wall has the function of absorbing the radiation heat of high-temperature flame or smoke in the hearth, generating steam or hot water in the pipes, reducing the temperature of the furnace wall, protecting the furnace wall, the output end of the water cooling wall 510 is connected with a superheater 520 through a pipeline, the output end of the superheater 520 is connected with the water supply input end of the high-pressure cylinder 120 through a pipeline, the superheater 520 is a part for further heating steam from saturation temperature to overheat temperature in a power plant boiler, the output end of the high-pressure cylinder 120 is connected with the reheater 600 through a pipeline, the reheater 600 is a steam superheater for reheating low-pressure steam subjected to work and reaching a certain temperature, the reheater 600 further improves the thermal efficiency of the power plant cycle, the steam temperature of the final stage blade of the steam turbine is controlled within an allowable range, the reheater 600 is a heater for heating the steam from the steam turbine into overheat steam in the boiler, and two functions of the reheater 600 are as follows: firstly, the humidity of the water vapor is reduced, which is beneficial to protecting the blades of the steam turbine; secondly, the relative internal efficiency and the absolute internal efficiency of the steam turbine can be improved, the output end of the reheater 600 is connected with the medium pressure cylinder 110 through a pipeline, and the output end of the medium pressure cylinder 110 is connected with the input end of the low pressure cylinder 100 through a pipeline;
the air output end of the oxygenation machine 800 is provided with oxygenation points 700, the three oxygenation points 700 are respectively arranged between communication pipelines of the condenser 200 and the low-pressure heater 210, between communication pipelines of the deaerator 300 and the high-pressure heater 400 and between the high-pressure heater 400 and a steam conveying pipeline of the high-pressure cylinder 120, the oxygenation machine 800 is arranged for supplementing oxygen to the whole system at the positions of the three oxygenation points 700, the oxygenation machine 800 comprises a shell 810, an air inlet end is arranged at the upper part of one side of the inner wall of the shell 810, an air inlet fan is arranged at the air inlet end, the air inlet fan is arranged for improving the amount of air entering the shell 810, a dust removing box 820 is arranged at the position corresponding to the air inlet end, a filter plate 821 is arranged in the dust removing box 820 and is arranged for removing dust contained in the air, the filter plate 821 is an air core plate and an active carbon plate, the air can be filtered and removed for containing dust and greasy dirt and the like when passing through the filter plate 821, the felt 830 can be arranged in the oil cavity 830 and can be removed through the oil cavity 830 when the oil removing box is arranged at the inner wall side of the shell 810 and the position of the oil cavity is arranged below the oil removing box, and the oil cavity 830 can be connected with the oil cavity 830;
the inner wall of casing 810 and lie in the side of oil removal chamber 830 and install except that steam chamber 840, except that oil removal chamber 830 communicates with water removal chamber 840 through the pipeline, the vertical orientation in inner wall center of water removal chamber 840 is fixed with the baffle, water-absorbing resin layer 841 and heating device 842 are installed respectively to the both sides of baffle, the air vent has been seted up on the baffle, and the baffle that sets up is in order to separate water-absorbing resin layer 841 and heating device 842, and the water-absorbing resin layer 841 that sets up is a functional polymer material that has a large amount of hydrophilic groups, it can get rid of the steam that contains in the air when the air passes through, and the heating device 842 that sets up is resistance wire heater, it can carry out the heating evaporation to the steam that remains in the air, thereby get rid of the steam in the air, the inner wall of casing 810 just keeps away from the one end of water removal chamber 840 and installs compressor 850, the exhaust end of water removal chamber 840 communicates with the inlet end of compressor 850 through the pipeline, the exhaust end and the oxygenation point 700 intercommunication of compressor 850, and the compressor 850 that sets up is in order to compress for the air after the air, thereby be convenient for to supplement in the system oxygen.
The application process of the utility model is as follows: firstly, the devices are assembled according to the above description, then the devices are started to generate electricity, in this process, the air intake fan on the housing 810 is started to enable air to enter the dust removal box 820, then dust contained in the air is removed through the filter plate 821, the dust-removed air enters the oil removal cavity 830 through the pipeline, oil dirt contained in the air is removed through the oil absorption felt 831, the oil-removed dust-removed air enters the steam removal cavity 840 through the pipeline, then water vapor contained in the air is removed through the water absorption resin layer 841 and the heating device 842, after the completion, the air is conveyed into the compressors 850 through the pipeline, and after the air is compressed by the two groups of compressors 850, the compressed air can be supplemented with oxygen through the pipeline from the oxygen adding point 700.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (8)
1. The utility model provides a full protection air oxygenation equipment, includes low pressure jar (100), there is condenser (200) the output of low pressure jar (100) through the pipe connection, there is low pressure heater (210) the output of condenser (200) through the pipe connection, there is deaerator (300) the output of condenser (200) through the pipe connection, there is high pressure heater (400) the output of deaerator (300) through the pipe connection, there is high pressure jar (120) the steam discharge end of high pressure heater (400) through the pipe connection, its characterized in that: still including being used for supplementing oxygen oxygenation machine (800), the air output of oxygenation machine (800) is provided with oxygenation point (700), and three oxygenation point (700) set up respectively between condenser (200) and low pressure heater (210) intercommunication pipeline, between deaerator (300) and high pressure heater (400) intercommunication pipeline and between high pressure heater (400) and high pressure cylinder (120) steam delivery pipeline, the bottom of high pressure heater (400) is through hydrophobic system (410) and deaerator (300) input intercommunication.
2. A fully protected air oxygenation apparatus according to claim 1 wherein: the water draining end of the high-pressure heater (400) is connected with an economizer (500) through a pipeline, and the output end of the economizer (500) is connected with a water cooling wall (510) through a pipeline.
3. A fully protected air oxygenation apparatus according to claim 2 wherein: the output end of the water cooling wall (510) is connected with a superheater (520) through a pipeline, the output end of the superheater (520) is connected with the water supply input end of the high-pressure cylinder (120) through a pipeline, and the output end of the high-pressure cylinder (120) is connected with a reheater (600) through a pipeline.
4. A fully protected air oxygenation apparatus according to claim 3 wherein: the output end of the reheater (600) is connected with a medium pressure cylinder (110) through a pipeline, and the output end of the medium pressure cylinder (110) is connected with the input end of the low pressure cylinder (100) through a pipeline.
5. A fully protected air oxygenation apparatus according to claim 1 wherein: the oxygenation machine (800) comprises a shell (810), an air inlet end is arranged on the upper portion of one side of the inner wall of the shell (810), an air inlet fan is arranged at the air inlet end, a dust removal box (820) is arranged at the side end of the inner wall of the shell (810) and at the position corresponding to the air inlet end, and a filter plate (821) is arranged in the dust removal box (820).
6. A fully protected air oxygenation apparatus according to claim 5 wherein: the oil removing cavity (830) is arranged at the side end of the inner wall of the shell (810) and below the dust removing box (820), the dust removing box (820) is communicated with the oil removing cavity (830) through a pipeline, and an oil absorbing felt (831) is arranged on the inner wall of the oil removing cavity (830).
7. A fully protected air oxygenation apparatus according to claim 6 wherein: the oil removal cavity (830) is communicated with the water removal cavity (840) through a pipeline, a partition plate is fixed in the vertical direction of the center of the inner wall of the water removal cavity (840), and a water absorption resin layer (841) and a heating device (842) are respectively arranged on two sides of the partition plate.
8. A fully protected air oxygenation apparatus according to claim 7 wherein: the air vent is formed in the partition plate, the compressor (850) is installed at one end, far away from the water vapor removal cavity (840), of the inner wall of the shell (810), the exhaust end of the water vapor removal cavity (840) is communicated with the air inlet end of the compressor (850) through a pipeline, and the exhaust end of the compressor (850) is communicated with the oxygenation point (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322084883.6U CN220355398U (en) | 2023-08-03 | 2023-08-03 | Full-protection air oxygenation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322084883.6U CN220355398U (en) | 2023-08-03 | 2023-08-03 | Full-protection air oxygenation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220355398U true CN220355398U (en) | 2024-01-16 |
Family
ID=89504378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322084883.6U Active CN220355398U (en) | 2023-08-03 | 2023-08-03 | Full-protection air oxygenation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220355398U (en) |
-
2023
- 2023-08-03 CN CN202322084883.6U patent/CN220355398U/en active Active
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