CN204495101U - A kind of device for stable Condenser's Hot Well liquid level - Google Patents
A kind of device for stable Condenser's Hot Well liquid level Download PDFInfo
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- CN204495101U CN204495101U CN201520149024.3U CN201520149024U CN204495101U CN 204495101 U CN204495101 U CN 204495101U CN 201520149024 U CN201520149024 U CN 201520149024U CN 204495101 U CN204495101 U CN 204495101U
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Abstract
The utility model relates to a kind of device for stable Condenser's Hot Well liquid level, belong to vapor wheel generator association area, the described device for stable Condenser's Hot Well liquid level mainly comprises condenser, condensate pump, oxygen-eliminating device, three-way control valve, outlet pipe, return pipe, hot well, described three-way control valve is provided with a water inlet and two delivery ports, water inlet connects condensate pump, deliver to oxygen-eliminating device by pipe water outlet after a delivery port water outlet, after another delivery port water outlet, be back to Condenser's Hot Well by return pipe; By the utility model that puts into operation, three-way control valve regulates hot well water yield and backwater amount automatically, control hot well liquid level by two delivery ports of three-way control valve simultaneously, and two condensate pumps one are opened one standby, the self-starting of stand-by pump interlocking hot well high liquid level, there is not fluctuation all the time in the liquid level of hot well, steam turbine is stable, do not need the moisturizing of manual operation valve, reduce manipulation strength, steam turbine security of operation stability is protected.
Description
Technical field
The utility model belongs to vapor wheel generator association area, specifically, relates to a kind of device for stable Condenser's Hot Well liquid level.
Background technology
Because boiler capacity fluctuation is large, in steam turbine running, Condenser's Hot Well liquid level also fluctuates widely with boiler capacity, and car jumped by hot well liquid level unstable often interlocking steam turbine, has a strong impact on steam turbine safe and stable operation.
The hot well liquid level of tradition steam turbine condenser hot well liquid level regulation device controls by being arranged on pneumatic control valve on return pipe, this return pipe is pump main water outlet pipe arm, female pipe is connected with oxygen-eliminating device, due to 2 times that female pipe size is generally reflux line size, Condenser's Hot Well backwater amount is nowhere near, need artificial a large amount of moisturizing, and steam turbine load with steam fluctuation condensation water quantity also in continuous fluctuation, artificial recharge amount also needs continuous adjustment, cause intensity of workers to increase considerably, also have influence on steam turbine stable operation simultaneously.Because Condenser's Hot Well level fluctuation is large; intrinsic 2 condensate pumps one are opened one and cannot be realized for function; add energy consumption cost; too increase the risk that equipment runs simultaneously; namely after a fault of water pump is shut down, another water pump cannot meet output, causes hot well height level chain steam turbine to jump car.
Therefore, be necessary to improve traditional steam turbine condenser hot well liquid level regulation device, to realize steam turbine stable operation, reduce energy consumption cost, reduce the risk that equipment runs, prevent hot well height level chain steam turbine from jumping car.
Summary of the invention
In order to overcome Problems existing in background technology, the utility model proposes a kind of device for stable Condenser's Hot Well liquid level, by hot well level chain three-way control valve aperture, solve Boiler Steam fluctuation large, steam turbine condenser hot well liquid level rise and fall amplitude is fast, affects steam turbine safe and stable operation problem.
For achieving the above object, the utility model is achieved by the following technical solution: the described device for stable Condenser's Hot Well liquid level mainly comprises condenser 1, condensate pump I 2, condensate pump II 3, oxygen-eliminating device 4, three-way control valve 5, water inlet pipe 6, outlet pipe 7, return pipe 8, hot well 9, water compensating valve 10, water inlet 11, delivery port I 12, delivery port II 13, the side of described condenser 1 is provided with water compensating valve 10, the below of condenser 1 is provided with hot well 9, described hot well 9 is connected with water inlet pipe 6, two branch end of water inlet pipe 6 are connected to condensate pump I 2 and condensate pump II 3, described three-way control valve 5 is provided with water inlet 11, delivery port I 12 and delivery port II 13, water inlet 11 place of three-way control valve 5 is connected to after condensate pump I 2 and the water inlet pipe on condensate pump II 3 gather, outlet pipe 7 is connected to delivery port I 12 place of three-way control valve 5, one end of outlet pipe 7 is connected with oxygen-eliminating device 4, return pipe 8 is connected to delivery port II 13 place of three-way control valve 5, and return pipe 8 is connected with hot well 9.
Delivery port I 12 and the aperture of delivery port II 13 and the level chain of hot well 9 of described three-way control valve 5, and the delivery port I 12 of three-way control valve 5 is contrary with the switch direction of delivery port II 13.
Described condensate pump I 2 and condensate pump II 31 are opened one standby, for that condensate pump interlocking hot well high liquid level of stand-by pump.
The aperture of the level chain three-way control valve 5 of described hot well 9.
Friendship effect of the present utility model: condensate pump outlet supervisor connecting tee control valve, three-way control valve is provided with two delivery ports, one way outlet is used for water outlet and delivers to oxygen-eliminating device, one way outlet is used for backwater to hot well, due to the aperture of hot well level chain three-way control valve, two outlets of three-way control valve control hot well liquid level simultaneously, Liquid level reaction speed is fast, precise control is high, ensure that condensate pump and the stable normal of generator run, and the aperture of three-way control valve is controlled, Condenser's Hot Well liquid level is accurately controlled, so without the need to manual intervention, can be completely achieved automatic stabilisation to regulate, save the labour of artificial recharge, achieve condensate pump one and open a received shipment row mode, save half energy consumption, decrease steam turbine fault simultaneously and jump car probability, great facilitation is had to increase generated energy, a received shipment row mode opened by 2 condensate pumps one, add steam turbine second safe operation protection, single pump operation outlet valve aperture meets a large amount of condensate water water outlet demand, the matching relationship of stand-by pump self-starting and flow, stand-by pump is avoided to start overcurrent chaser, the self-starting of stand-by pump interlocking hot well high water level, avoids hot well height level chain steam turbine to jump car.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is traditional steam turbine condenser hot well liquid level regulation device structural representation.
In figure, 1-condenser, 2-condensate pump I, 3-condensate pump II, 4-oxygen-eliminating device, 5-three-way control valve, 6-water inlet pipe, 7-outlet pipe, 8-return pipe, 9-hot well, 10-water compensating valve, 11-water inlet, 12-delivery port I, 13-delivery port II, 14-pneumatic control valve.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to facilitate the technical staff to understand.
As Fig. 1, shown in Fig. 2, the utility model discloses a kind of device for stable Condenser's Hot Well liquid level, its technical scheme is: the described device for stable Condenser's Hot Well liquid level mainly comprises condenser 1, condensate pump I 2, condensate pump II 3, oxygen-eliminating device 4, three-way control valve 5, water inlet pipe 6, outlet pipe 7, return pipe 8, hot well 9, water compensating valve 10, water inlet 11, delivery port I 12, delivery port II 13, the side of described condenser 1 is provided with water compensating valve 10, the below of condenser 1 is provided with hot well 9, described hot well 9 is connected with water inlet pipe 6, two branch end of water inlet pipe 6 are connected to condensate pump I 2 and condensate pump II 3, condensate pump I 2 and condensate pump II 3 promote steam turbine safe operation, reduce steam turbine fault simultaneously and jump car probability, great facilitation is had to increase generated energy, described three-way control valve 5 is provided with water inlet 11, delivery port I 12 and delivery port II 13, three-way control valve 5 ensure that the stable operation of condensate pump I 2 and condensate pump II 3 and generator, water inlet 11 place of three-way control valve 5 is connected to after condensate pump I 2 and the water inlet pipe on condensate pump II 3 gather, outlet pipe 7 is connected to delivery port I 12 place of three-way control valve 5, one end of outlet pipe 7 is connected with oxygen-eliminating device 4, oxygen-eliminating device 4 is delivered to by outlet pipe 7 after delivery port I 12 water outlet, return pipe 8 is connected to delivery port II 13 place of three-way control valve 5, return pipe 8 is connected with hot well 9, hot well 9 is returned to by return pipe 8 after delivery port II 13 water outlet.
The level chain of the delivery port I 12 of described three-way control valve 5 and delivery port II 13 aperture and hot well 9, and the delivery port I 12 of three-way control valve 5 is contrary with the switch direction of delivery port II 13, when a delivery port I 12 is opened large, delivery port II 13 turns down, but total flow tends towards stability, when the liquid level of hot well 9 reduces, three-way control valve 5 to hot well 9 water return outlet and delivery port II 13 will be opened greatly, go the delivery port I 12 of oxygen-eliminating device 4 to turn down simultaneously; On the contrary, when the liquid level of hot well 9 raises, go the delivery port I 12 of oxygen-eliminating device 4 to open greatly, the water return outlet and the delivery port II 13 that return condenser turn down, and by bidirectional modulation flow, regulating power is strong, and speed is fast.
Described condensate pump I 2 and condensate pump II 31 are opened one standby, and for that condensate pump interlocking hot well high liquid level self-starting of stand-by pump, add steam turbine stable operation second heavily protects, and avoids the high level chain steam turbine of hot well 9 to jump car.
The aperture of the level chain three-way control valve 5 of described hot well 9, delivery port I 12 and the delivery port II 13 of three-way control valve 5 control the liquid level of hot well 9 simultaneously, Liquid level reaction speed is fast, and precise control is high, ensures that condensate pump I 2 and condensate pump II 3 can stable operations.
The course of work of the present utility model: by the utility model device that puts into operation, automatically water yield and the backwater amount of hot well 9 is regulated by three-way control valve 5, due to delivery port I 12 and the aperture of delivery port II 13 and the level chain of hot well 9 of three-way control valve 5, and the delivery port I 12 of three-way control valve 5 is contrary with the switch direction of delivery port II 13, when a delivery port I 12 is opened large, delivery port II 13 turns down, but total flow tends towards stability, when the liquid level of hot well 9 reduces, three-way control valve 5 to hot well 9 water return outlet and delivery port II 13 will be opened greatly, go the delivery port I 12 of oxygen-eliminating device 4 to turn down simultaneously, on the contrary, when the liquid level of hot well 9 raises, the delivery port I 12 of oxygen-eliminating device 4 is gone to open greatly, the water return outlet and the delivery port II 13 that return condenser turn down, and by bidirectional modulation flow, regulating power is strong, speed is fast, all the time there is not fluctuation in the liquid level of such hot well 9, be all stable in 500mm ± 20mm normal range (NR), steam turbine is stable.
Condensate pump outlet supervisor connecting tee control valve, three-way control valve is provided with two delivery ports, one way outlet is used for water outlet and delivers to oxygen-eliminating device, one way outlet is used for backwater to hot well, due to the aperture of hot well level chain three-way control valve, two outlets of three-way control valve control hot well liquid level simultaneously, Liquid level reaction speed is fast, precise control is high, ensure that condensate pump and the stable normal of generator run, and the aperture of three-way control valve is controlled, Condenser's Hot Well liquid level is accurately controlled, so without the need to manual intervention, can be completely achieved automatic stabilisation to regulate, save the labour of artificial recharge, achieve condensate pump one and open a received shipment row mode, save half energy consumption, decrease steam turbine fault simultaneously and jump car probability, great facilitation is had to increase generated energy, a received shipment row mode opened by 2 condensate pumps one, add steam turbine second safe operation protection, single pump operation outlet valve aperture meets a large amount of condensate water water outlet demand, the matching relationship of stand-by pump self-starting and flow, stand-by pump is avoided to start overcurrent chaser, the self-starting of stand-by pump interlocking hot well high water level, avoids hot well height level chain steam turbine to jump car.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (4)
1. the device for stable Condenser's Hot Well liquid level, it is characterized in that: the described device for stable Condenser's Hot Well liquid level mainly comprises condenser, condensate pump I, condensate pump II, oxygen-eliminating device, three-way control valve, water inlet pipe, outlet pipe, return pipe, hot well, water compensating valve, water inlet, delivery port I, delivery port II, the side of described condenser is provided with water compensating valve, the below of condenser is provided with hot well, described hot well is connected with water inlet pipe, two branch end of water inlet pipe are connected to condensate pump I and condensate pump II, described three-way control valve is provided with water inlet, delivery port I and delivery port II, the water inlet of three-way control valve is connected to after condensate pump I and the water inlet pipe on condensate pump II gather, outlet pipe is connected to delivery port I place of three-way control valve, one end of outlet pipe is connected with oxygen-eliminating device, return pipe is connected to delivery port II place of three-way control valve, return pipe is connected with hot well.
2. a kind of device for stable Condenser's Hot Well liquid level as claimed in claim 1, it is characterized in that: delivery port I and the aperture of delivery port II and the level chain of hot well of described three-way control valve, and the delivery port I of three-way control valve is contrary with the switch direction of delivery port II.
3. a kind of device for stable Condenser's Hot Well liquid level as claimed in claim 1, is characterized in that: described condensate pump I and condensate pump II 1 are opened one standby, for that condensate pump interlocking hot well high liquid level self-starting of stand-by pump.
4. a kind of device for stable Condenser's Hot Well liquid level as claimed in claim 1, is characterized in that: the aperture of the level chain three-way control valve of described hot well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149024.3U CN204495101U (en) | 2015-03-17 | 2015-03-17 | A kind of device for stable Condenser's Hot Well liquid level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149024.3U CN204495101U (en) | 2015-03-17 | 2015-03-17 | A kind of device for stable Condenser's Hot Well liquid level |
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| CN204495101U true CN204495101U (en) | 2015-07-22 |
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| CN201520149024.3U Active CN204495101U (en) | 2015-03-17 | 2015-03-17 | A kind of device for stable Condenser's Hot Well liquid level |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444875A (en) * | 2016-10-28 | 2017-02-22 | 河南师范大学 | An apparatus used for controlling a liquid level of a hot well of a condenser |
| CN110925732A (en) * | 2018-09-20 | 2020-03-27 | 中电行唐生物质能热电有限公司 | Agriculture and forestry biomass water-cooling vibration grate boiler combined heat and power generation unit small-capacity hot well and deaerator water level combined control strategy and device |
-
2015
- 2015-03-17 CN CN201520149024.3U patent/CN204495101U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444875A (en) * | 2016-10-28 | 2017-02-22 | 河南师范大学 | An apparatus used for controlling a liquid level of a hot well of a condenser |
| CN106444875B (en) * | 2016-10-28 | 2019-11-08 | 河南师范大学 | It is a kind of for controlling the device of condenser hotwell liquid level |
| CN110925732A (en) * | 2018-09-20 | 2020-03-27 | 中电行唐生物质能热电有限公司 | Agriculture and forestry biomass water-cooling vibration grate boiler combined heat and power generation unit small-capacity hot well and deaerator water level combined control strategy and device |
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