CN202924783U - Power station pressure type deaerator - Google Patents
Power station pressure type deaerator Download PDFInfo
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- CN202924783U CN202924783U CN 201220632871 CN201220632871U CN202924783U CN 202924783 U CN202924783 U CN 202924783U CN 201220632871 CN201220632871 CN 201220632871 CN 201220632871 U CN201220632871 U CN 201220632871U CN 202924783 U CN202924783 U CN 202924783U
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- power station
- pressure type
- oxygen
- reservoir chamber
- return passage
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Abstract
The utility model relates to the technical field of power station auxiliary machine equipment and specifically relates to a deaerator. A power station pressure type deaerator comprises a water tank and a deaerating tower, wherein the deaerating tower is arranged at the top of the water tank, the deaerating tower is connected with a water supply pipeline, a partition plate is arranged in the water tank, the water tank is divided into a return chamber and a water storage chamber through the partition plate, the return chamber is connected with the deaerating tower through a filter pipeline arranged at the top of the return chamber, the bottom of the return chamber is connected with one end of a return pipeline, and the other end of the return pipeline is connected with the water supply pipeline. Due to the adoption of the technical scheme, compared with the traditional deaerating equipment, the deaerator disclosed by the utility model can improve the deaerating quality of feed water of a power station more efficiently and provide safety guarantee for related equipment in production prodecures.
Description
Technical field
The utility model relates to the power plant auxiliary machine equipment technical field, is specifically related to a kind of deoxygenator.
Background technology
The running in power station need to be used a large amount of water, contains a large amount of oxygen and carbon dioxide in natural water, even if water feeding system also can because the tightness of transport pipe and relevant device be inadequate, can make and infiltrate gas in water body in the water body course of conveying.Thereby oxygen can cause metalwork to produce oxidation and make the continuous corrosion of equipment, finally causes equipment to damage in various degree, and carbonic acid gas can make water body present acidity, the corrosion process of meeting acceleration equipment.The power station deoxygenator is one of the major pant item in power station, is to adopt the input hot steam to make the temperature that reaches capacity that feeds water, in order to disengage after making the gas segregation that is dissolved in the water, thereby reaches oxygen except the equipment of effect.
After traditional deoxygenator formerly carried out thick deoxygenation operation and deep deoxygenization operation afterwards, downward one link that just directly will feed water carried, if due to the steam trap fault in oxygen-removing tower or packing layer loss, can't guarantee that deaerating effect is up to standard.Although the degree of the feedwater oxygen level of this moment of road link supply downwards during lower than deoxygenation not still can impact equipment, still can be so that equipment produces the situation such as corrosion and causes the device security problem in the use procedure of accumulating over a long period.
The utility model content
The purpose of this utility model is, a kind of power station pressure type deoxygenator is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
Power station pressure type deoxygenator, comprise water tank and oxygen-removing tower, described oxygen-removing tower is arranged at the top of described water tank, described oxygen-removing tower connects water supply line, it is characterized in that, be provided with a dividing plate in described water tank, described dividing plate is separated into a return passage and a reservoir chamber with described water tank, and described return passage is connected with described oxygen-removing tower by the filter pipe that is arranged at the top;
The bottom of described return passage connects an end of a reflux line, and the other end of described reflux line connects described water supply line.
The utility model is by arranging return passage and reservoir chamber in water tank, make the deoxygenation again that can circulate of oxygen removal efficiency water body not up to standard, in order to improve the deoxygenation quality, supplies water for subsequent production provides high-quality.
The stage casing of described reflux line is provided with a reflux pump, described reflux pump connects a counter flow controller, described counter flow controller is controlled the switching of described reflux pump, can carry out the recirculation deoxygenation in water supply line so that the water body in described return passage is transmitted back to by described reflux pump.
be provided with a water body measurement of oxygen content device in described filter pipe, described water body measurement of oxygen content device connects the signal input part of described counter flow controller, the signal output part of described counter flow controller connects the drive part of reflux pump, the oxygen level of the water body after can processing oxygen-removing tower by water body measurement of oxygen content device is carried out Real Time Monitoring, when the water body oxygen level after processing does not reach set(ting)value or gives tacit consent to value up to standard, counter flow controller transmits control signal and starts reflux pump and the water body in return passage is transmitted back to carries out deoxygenation again in water supply line, when continuing a setting-up time section, counter flow controller the water body oxygen level still can be detected when not up to standard, transmit warning signal to control center's computer in power station, so that the technician in power station gets involved the inspection problem.
Described counter flow controller adopts a PLC module, also can adopt an ARM microprocessor.
Described water body measurement of oxygen content device adopts an oxygen sensor.
Described dividing plate lower end is provided with a reservoir chamber input control valve near the position of described water tank bottom, described reservoir chamber input control valve connects described counter flow controller, and described counter flow controller is controlled the described reservoir chamber input control valve of unlatching and made the water body in described return passage can flow into described reservoir chamber.
In the utility model use procedure, when counter flow controller detects the water body oxygen level through up to standard after deoxygenation, closing volume pump and open the reservoir chamber input control valve after setting-up time, make deoxygenation water body up to standard flow into reservoir chamber and be transported to next production link by reservoir chamber, fully refluxed for the part water body that not yet refluxes at water oxygen level relief up to standard during the arranging of described setting-up time, in order to improve the quality of the water body that is transported to reservoir chamber.
The top of described oxygen-removing tower is provided with a vent valve, and the gases such as the oxygen after emanating from water body by described vent valve and carbonic acid gas are discharged oxygen-removing tower.
The outer wall of described return passage is provided with a return passage watermark, can observe water level situation in return passage by described return passage watermark.
The outer wall of described reservoir chamber is provided with a reservoir chamber watermark, can observe water level situation in reservoir chamber by described reservoir chamber watermark.
Described dividing plate is provided with a urgent drain port near the position of described tank top, and described urgent drain port is transported to reservoir chamber with unnecessary water body when being used for causing the limit of water level rise after the return passage quantity of reflux increases, in order to alleviate the burden of return passage.
Also be provided with a pH value detection device in described filter pipe, described pH value detection device connects described counter flow controller, can make described counter flow controller know the potential of hydrogen of water body by described pH value detection device, in order to again carry out oxygen removal process after judging whether water body to be circulated, in order to make the carbon dioxide content in water body reduce.
Described pH value detection device adopts a pH sensor.
Beneficial effect: owing to adopting above technical scheme, the utility model traditional deaeration plant of comparing can more effectively improve the deoxygenation quality of power station feedwater, for the relevant device of production link provides safety control.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, power station pressure type deoxygenator, comprise water tank and oxygen-removing tower 1, oxygen-removing tower 1 is arranged at the top of water tank, and oxygen-removing tower 1 connects water supply line 2, is provided with a dividing plate 4 in water tank, dividing plate 4 is separated into return passage 5 and reservoir chamber 6 with water tank, return passage 5 is connected with oxygen-removing tower 1 by the filter pipe that is arranged at the top, and the bottom of return passage 5 connects an end of a reflux line 7, and the other end of reflux line 7 connects water supply line 2.The stage casing of reflux line 7 is provided with a reflux pump 8, and reflux pump 8 connects a counter flow controller, can carry out the recirculation deoxygenation in water supply line 2 so that the water body in return passage 5 is transmitted back to by reflux pump 8.The top of oxygen-removing tower 1 is provided with a vent valve, and the gases such as the oxygen after emanating from water body by vent valve and carbonic acid gas are discharged oxygen-removing tower 1.The outer wall of return passage 5 is provided with a return passage watermark 5-1, can observe water level situation in return passage by return passage watermark 5-1.The outer wall of reservoir chamber 6 is provided with a reservoir chamber watermark 6-1, can observe water level situation in reservoir chamber by reservoir chamber watermark 6-1.
The utility model is by arranging return passage and reservoir chamber in water tank, make the deoxygenation again that can circulate of oxygen removal efficiency water body not up to standard, in order to improve the deoxygenation quality, supplies water for subsequent production provides high-quality.
with reference to Fig. 1, be provided with a water body measurement of oxygen content device 5-2 and a pH value detection device 5-3 in filter pipe, water body measurement of oxygen content device 5-2 connects a signal input part of counter flow controller, pH value detection device 5-3 connects another signal input part of counter flow controller, the signal output part of counter flow controller connects the drive part of reflux pump 8, oxygen level and the potential of hydrogen of the water body after can processing oxygen-removing tower 1 by water body measurement of oxygen content device 5-2 and pH value detection device 5-3 are carried out Real Time Monitoring, when the water body oxygen level after processing or potential of hydrogen do not reach set(ting)value or give tacit consent to value up to standard, counter flow controller transmits control signal and starts reflux pump 8 and the water bodys in return passage 5 are transmitted back to carry out deoxygenation again in water supply line 2, when continuing a setting-up time section, counter flow controller water body oxygen level or potential of hydrogen still can be detected when not up to standard, transmit warning signal to control center's computer in power station, so that the technician in power station gets involved the inspection problem.Counter flow controller adopts the ARM microprocessor.Water body measurement of oxygen content device 5-2 adopts an oxygen sensor.The pH value detection device adopts a pH sensor.Dividing plate 4 lower ends are provided with a reservoir chamber input control valve 4-1 near the position of water tank bottom, reservoir chamber input control valve 4-1 connects counter flow controller, and counter flow controller is controlled unlatching reservoir chamber input control valve 4-1 and made the water bodys in return passage 5 can flow into reservoir chamber 6.Dividing plate 4 is provided with a urgent drain port 4-2, and urgent drain port 4-2 is arranged at the position of close tank top on dividing plate 4.
In the utility model use procedure, it is up to standard after counter flow controller detects water body oxygen level and the deoxygenation of potential of hydrogen process, closing volume pump and open the reservoir chamber input control valve after setting-up time, make deoxygenation water body up to standard flow into reservoir chamber and be transported to next production link by reservoir chamber, fully refluxed for the part water body that not yet refluxes at water body relief up to standard during the arranging of this setting-up time, in order to improve the quality of the water body that is transported to reservoir chamber.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. power station pressure type deoxygenator, comprise water tank and oxygen-removing tower, described oxygen-removing tower is arranged at the top of described water tank, described oxygen-removing tower connects water supply line, it is characterized in that, be provided with a dividing plate in described water tank, described dividing plate is separated into a return passage and a reservoir chamber with described water tank, and described return passage is connected with described oxygen-removing tower by the filter pipe that is arranged at the top;
The bottom of described return passage connects an end of a reflux line, and the other end of described reflux line connects described water supply line.
2. power station according to claim 1 pressure type deoxygenator, is characterized in that, the stage casing of described reflux line is provided with a reflux pump, and described reflux pump connects a counter flow controller.
3. power station according to claim 2 pressure type deoxygenator, it is characterized in that, be provided with a water body measurement of oxygen content device in described filter pipe, described water body measurement of oxygen content device connects the signal input part of described counter flow controller, and the signal output part of described counter flow controller connects the drive part of reflux pump.
4. according to claim 2 or 3 described power station pressure type deoxygenators, is characterized in that, the lower end of described dividing plate is provided with a reservoir chamber input control valve near the position of described water tank bottom, and described reservoir chamber input control valve connects described counter flow controller.
5. power station according to claim 4 pressure type deoxygenator, is characterized in that, described counter flow controller adopts PLC module, perhaps ARM microprocessor.
6. power station according to claim 5 pressure type deoxygenator, is characterized in that, described water body measurement of oxygen content device adopts an oxygen sensor.
7. power station according to claim 1 pressure type deoxygenator, is characterized in that, the outer wall of described return passage is provided with a return passage watermark.
8. power station according to claim 1 pressure type deoxygenator, is characterized in that, the outer wall of described reservoir chamber is provided with a reservoir chamber watermark.
9. according to claim 7 or 8 described power station pressure type deoxygenators, is characterized in that, the top of described oxygen-removing tower is provided with a vent valve.
10. power station according to claim 9 pressure type deoxygenator, is characterized in that, described dividing plate is provided with a urgent drain port, the described return passage of described urgent drain port UNICOM and described reservoir chamber near the position of described tank top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632871 CN202924783U (en) | 2012-11-26 | 2012-11-26 | Power station pressure type deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632871 CN202924783U (en) | 2012-11-26 | 2012-11-26 | Power station pressure type deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202924783U true CN202924783U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632871 Expired - Fee Related CN202924783U (en) | 2012-11-26 | 2012-11-26 | Power station pressure type deaerator |
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| Country | Link |
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| CN (1) | CN202924783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990065A (en) * | 2015-06-11 | 2015-10-21 | 江苏永钢集团有限公司 | Boiler feed water circulating deoxidation system in turbine generator set |
| CN111115738A (en) * | 2019-12-26 | 2020-05-08 | 连云港江海机械设备制造有限公司 | Automatic rotary film type deaerator |
-
2012
- 2012-11-26 CN CN 201220632871 patent/CN202924783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990065A (en) * | 2015-06-11 | 2015-10-21 | 江苏永钢集团有限公司 | Boiler feed water circulating deoxidation system in turbine generator set |
| CN111115738A (en) * | 2019-12-26 | 2020-05-08 | 连云港江海机械设备制造有限公司 | Automatic rotary film type deaerator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20141126 |
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| EXPY | Termination of patent right or utility model |