CN207035072U - A kind of power plant's drain recovery to oxygen-eliminating device system - Google Patents
A kind of power plant's drain recovery to oxygen-eliminating device system Download PDFInfo
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- CN207035072U CN207035072U CN201720628985.1U CN201720628985U CN207035072U CN 207035072 U CN207035072 U CN 207035072U CN 201720628985 U CN201720628985 U CN 201720628985U CN 207035072 U CN207035072 U CN 207035072U
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- oxygen
- eliminating device
- pneumatic control
- control valve
- pump
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Abstract
The utility model proposes a kind of system of power plant's drain recovery to oxygen-eliminating device,Desalination water lines incoming road system including oxygen-eliminating device and access oxygen-eliminating device,Condensate line incoming road system and hydrophobic pipeline incoming road system,Also include the outlet system that feed pump is removed by oxygen-eliminating device,It is characterized in that,The hydrophobic pipeline incoming road system is arranged on before the pneumatic control valve,The outlet of the hydrophobic pipeline incoming road system is accessed after demineralized water carrys out non-return valve,Before pneumatic control valve before stop valve,Drainage pump and desalination water pump all have to pass through pneumatic control valve to flow during oxygen-eliminating device moisturizing and automatically control and maintain the water level of oxygen-eliminating device in setting range,And drainage pump,Both desalination water pumps are chain operations,I.e. hydrophobic pump startup when desalination water pump be automatically stopped,Desalination water pump automatic start when drainage pump stops,Because the moisturizing to oxygen-eliminating device is carried out continuously,Therefore the stabilization of oxygen-eliminating device pressure and temperature can effectively be ensured,Ensure system normal operation.
Description
Technical field
Power plant's drained water recovery system is the utility model is related to, more particularly to a kind of power plant's drain recovery is to oxygen-eliminating device
System.
Background technology
Now, with environmental requirement further raising and energy-saving and emission-reduction needs, power plant needs to reclaim to hydrophobic.
At present, power plant's drain recovery to oxygen-eliminating device system, including oxygen-eliminating device and access oxygen-eliminating device desalination water lines incoming road system,
Condensate line incoming road system and hydrophobic pipeline incoming road system, in addition to go by oxygen-eliminating device the outlet system of feed pump.
In normal course of operation, after drain tank water quality test is qualified, when water level reaches a high position for setting, start hydrophobic
Pump is reclaimed by hydrophobic pipeline incoming road system to the moisturizing of oxygen-eliminating device deoxygenation head, is stopped when low level of the drain tank water level decreasing to setting
Only hydrophobic pump operation, suspend hydrophobic moisturizing.Continue to open blowback receipts when rising to set high-order once again Deng drain tank water level, so follow
Ring repeatedly, carries out moisturizing to oxygen-eliminating device by phased manner.Due to when drain recovery, because recovery flow is big and drain temperature is low, making
Drastically decline into oxygen-eliminating device pressure, temperature also declines comparatively fast, easily causes feed pump import gasification, and serious threat arrives feed pump
Operation.And when stopping hydrophobic moisturizing, oxygen-eliminating device pressure and temp rises to normal operating value, so causes oxygen-eliminating device to be pressed in running
Power, temperature recurrent fluctuations, are unfavorable for stable operation.
On the other hand, the main moisturizing of oxygen-eliminating device is by desalination water lines incoming road system, is also run using discontinuity, when except
When oxygen device water level decreasing is to setting low level, start desalination water pump moisturizing, stop removing when deaerator level, which rises to, sets high-order
Brine pump moisturizing.During with demineralized water moisturizing, the decline of oxygen-eliminating device pressure and temp is also resulted in.
Therefore, because hydrophobic moisturizing and demineralized water moisturizing are all discontinuity, cause pressure, temperature in oxygen-eliminating device operation anti-
Complex wave moves, and is unfavorable for oxygen-eliminating device stable operation.
Utility model content
In order to solve prior art problem, the utility model proposes a kind of system of power plant's drain recovery to oxygen-eliminating device, bag
Include oxygen-eliminating device and access desalination water lines incoming road system, condensate line incoming road system and the hydrophobic pipeline incoming road system of oxygen-eliminating device
Unite, in addition to the outlet system of feed pump is gone by oxygen-eliminating device；The demineralized water incoming road system includes setting successively according to water (flow) direction
The demineralized water put comes before non-return valve, pneumatic control valve that stop valve, oxygen-eliminating device enter after stop valve, pneumatic control valve, pneumatic control valve
Mouthful non-return valve, include bypassing hand stop valve with pneumatic control valve and the pneumatic control valve that connects, pneumatic control valve bypass is manually
Cut-off valve inlet is attempted by before pneumatic control valve before stop valve, and pneumatic control valve bypass manual shutoff valve outlet is attempted by pneumatically
After regulating valve after stop valve, when starting desalination water pump, the flow of desalination water pump is automatically controlled by the pneumatic control valve；Institute
The condensate that stating condensate line incoming road system includes setting gradually according to water (flow) direction comes hand stop valve and condensate to removing
Oxygen device entrance non-return valve；The hydrophobic pipeline incoming road system include according to water (flow) direction set gradually it is hydrophobic come hand stop valve
With it is hydrophobic come non-return valve.
The utility model solves the technical scheme that is proposed of technical problem, and the utility model proposes a kind of hydrophobic time of power plant
Receive to the system of oxygen-eliminating device, including oxygen-eliminating device and the desalination water lines incoming road system, the condensate line incoming road that access oxygen-eliminating device
System and hydrophobic pipeline incoming road system, in addition to go by oxygen-eliminating device the outlet system of feed pump；
The demineralized water that the demineralized water incoming road system includes setting gradually according to water (flow) direction comes non-return valve, pneumatic control valve
Stop valve, oxygen-eliminating device entrance non-return valve after preceding stop valve, pneumatic control valve, pneumatic control valve, in addition to pneumatic control valve simultaneously
The pneumatic control valve bypass hand stop valve connect, pneumatic control valve bypass manual shutoff valve inlet are cut before being attempted by pneumatic control valve
Only before valve, pneumatic control valve bypass manual shutoff valve outlet is attempted by after pneumatic control valve after stop valve, when starting desalination
During water pump, the flow of desalination water pump is automatically controlled by the pneumatic control valve；
The condensate that the condensate line incoming road system includes setting gradually according to water (flow) direction come hand stop valve and
Condensate is to oxygen-eliminating device entrance non-return valve；
The hydrophobic pipeline incoming road system include according to water (flow) direction set gradually it is hydrophobic come hand stop valve and hydrophobic
Carry out non-return valve；
It is characterized in that the hydrophobic pipeline incoming road system is arranged on before the pneumatic control valve, the hydrophobic pipeline comes
The outlet of road system accessed after demineralized water carrys out non-return valve, before pneumatic control valve before stop valve, drainage pump and desalination water pump
Pneumatic control valve is all had to pass through to flow during oxygen-eliminating device moisturizing to automatically control and maintain the water level of oxygen-eliminating device in setting range
It is interior, and when both drainage pump, desalination water pump are chain operations, i.e. hydrophobic pump startup desalination water pump be automatically stopped, drainage pump
Desalination water pump automatic start during stopping, always there is a pump to remain among drainage pump, desalination water pump two pumps, to oxygen-eliminating device
Moisturizing is carried out continuously.
The utility model preferred scheme is, hydrophobic when water level reaches a high position for setting after drain tank water quality test is qualified
Pump startup, it is hydrophobic to the conveying of oxygen-eliminating device deoxygenation head by hydrophobic pipeline incoming road system, maintain to remove under the control of pneumatic control valve
Oxygen device water level stops hydrophobic pump operation in setting range when low level of the drain tank water level decreasing to setting.
The utility model preferred scheme is, when desalination water pump is run, to pass through demineralized water under the control of pneumatic control valve
Pipeline incoming road system conveys demineralized water to oxygen-eliminating device, and maintains deaerator level in setting range.
The beneficial effects of the utility model：The utility model proposes a kind of system of power plant's drain recovery to oxygen-eliminating device, institute
State hydrophobic pipeline incoming road system to be connected on before the pneumatic control valve, drainage pump and desalination water pump are to flow during oxygen-eliminating device moisturizing
All automatically controlled by pneumatic control valve and maintain the water level of oxygen-eliminating device in setting range, and drainage pump, desalination water pump two
Desalination water pump automatic start when desalination water pump is automatically stopped when person is chain operation, i.e. hydrophobic pump startup, drainage pump stops, being dredged
Always there is a pump to remain among water pump, desalination water pump two pumps, because the moisturizing to oxygen-eliminating device is carried out continuously, therefore
The stabilization of oxygen-eliminating device pressure and temperature can effectively be ensured, it is ensured that system normal operation.
Brief description of the drawings：
Fig. 1 is the structural representation of prior art one embodiment.
Fig. 2 be the utility model proposes one embodiment structural representation.
In figure,
1. it is hydrophobic come hand stop valve；
2. it is hydrophobic come non-return valve；
3. demineralized water carrys out non-return valve；
4. pneumatic control valve bypasses hand stop valve；
5. stop valve before pneumatic control valve
6. pneumatic control valve；
7. stop valve after pneumatic control valve；
8. oxygen-eliminating device entrance non-return valve；
9. condensate carrys out hand stop valve；
10. condensate is to oxygen-eliminating device entrance non-return valve；
11. oxygen-eliminating device；
11.1 air bleeding valves.
Embodiment
Fig. 1 is the structural representation of prior art one embodiment.Shown in figure, in the prior art, power plant's drain recovery
To the system of oxygen-eliminating device, including oxygen-eliminating device 11 and the desalination water lines incoming road system, the condensate line incoming road that access oxygen-eliminating device
System and hydrophobic pipeline incoming road system, in addition to go by oxygen-eliminating device the outlet system of feed pump.Access the desalination water pipe of oxygen-eliminating device
The pipe-line systems such as road incoming road system, condensate line incoming road system and hydrophobic pipeline incoming road system make water source flow into oxygen-eliminating device, and
The outlet system for removing feed pump is then water source is flowed out oxygen-eliminating device, and one, which enters one, goes out to ensure that deaerator level maintains the scope of setting
It is interior.
Shown in Fig. 1, the demineralized water that demineralized water incoming road system includes setting gradually according to water (flow) direction comes non-return valve 3, gas
Stop valve 7, oxygen-eliminating device entrance non-return valve 8 after stop valve 5, pneumatic control valve 6, pneumatic control valve before dynamic regulating valve, in addition to
Pneumatic control valve and the pneumatic control valve connect bypass hand stop valve 4, and the pneumatic control valve bypass entrance of hand stop valve 4 is attempted by
Before pneumatic control valve before stop valve 5, the outlet of pneumatic control valve bypass hand stop valve 4 is attempted by stop valve after pneumatic control valve
After 7, when starting desalination water pump, the flow of desalination water pump is automatically controlled by pneumatic control valve 6.
Shown in Fig. 1, condensate line incoming road system is cut manually including the condensate set gradually according to water (flow) direction
Only valve 9 and condensate are to oxygen-eliminating device entrance non-return valve 10.
Shown in Fig. 1, hydrophobic pipeline incoming road system include according to water (flow) direction set gradually it is hydrophobic come hand stop valve 1
With it is hydrophobic come non-return valve 2.
Key issue is：In the prior art, hydrophobic pipeline incoming road system is directly connected in oxygen-eliminating device 11, drainage pump
Directly to the moisturizing of oxygen-eliminating device 11 without being controlled by the flow of pneumatic control valve during operation.Therefore, problem of the prior art is,
In normal course of operation, after drain tank water quality test is qualified, when water level reaches a high position for setting, start drainage pump by dredging
Water lines incoming road system reclaims to the moisturizing of oxygen-eliminating device deoxygenation head, stops drainage pump when low level of the drain tank water level decreasing to setting
Operation, suspend moisturizing.Continue to open blowback receipts when rising to set high-order once again Deng drain tank water level, so circulation repeatedly, is interrupted
Property is to oxygen-eliminating device water supplementing method.Due to when drain recovery, because recovery flow is big and drain temperature is low, causing oxygen-eliminating device pressure anxious
Play declines, and temperature also declines comparatively fast, easily causes feed pump import gasification, the operation of serious threat to feed pump.And when stopping
During hydrophobic moisturizing, oxygen-eliminating device pressure and temp rises to normal operating value, so cause oxygen-eliminating device run in pressure, temperature ripple repeatedly
It is dynamic, it is unfavorable for stable operation.
Fig. 2 be the utility model proposes one embodiment structural representation.Shown in figure, with prior art one
Sample, in this example, the system of power plant's drain recovery to oxygen-eliminating device, including oxygen-eliminating device 11 and access the desalination water lines of oxygen-eliminating device and come
Road system, condensate line incoming road system and hydrophobic pipeline incoming road system, in addition to go by oxygen-eliminating device the outlet system of feed pump.
Access the pipe-line systems such as desalination water lines incoming road system, condensate line incoming road system and the hydrophobic pipeline incoming road system of oxygen-eliminating device
Make water source flow into oxygen-eliminating device, and go feed pump outlet system be then make water source flow out oxygen-eliminating device, one, which enters one, goes out to ensure oxygen-eliminating device
Water level is in the range of setting.
Shown in Fig. 2, the demineralized water that demineralized water incoming road system includes setting gradually according to water (flow) direction comes non-return valve 3, gas
Stop valve 7, oxygen-eliminating device entrance non-return valve 8 after stop valve 5, pneumatic control valve 6, pneumatic control valve before dynamic regulating valve, in addition to
Pneumatic control valve and the pneumatic control valve connect bypass hand stop valve 4, and the pneumatic control valve bypass entrance of hand stop valve 4 is attempted by
Before pneumatic control valve before stop valve 5, the outlet of pneumatic control valve bypass hand stop valve 4 is attempted by stop valve after pneumatic control valve
After 7, when starting desalination water pump, the flow of desalination water pump is automatically controlled by pneumatic control valve 6.
Shown in Fig. 2, condensate line incoming road system is cut manually including the condensate set gradually according to water (flow) direction
Only valve 9 and condensate are to oxygen-eliminating device entrance non-return valve 10.
Shown in Fig. 2, hydrophobic pipeline incoming road system include according to water (flow) direction set gradually it is hydrophobic come hand stop valve 1
With it is hydrophobic come non-return valve 2.
Shown in Fig. 2, unlike the prior art, in this example, hydrophobic pipeline incoming road system is arranged on pneumatic control valve 6
Before, the outlet of hydrophobic pipeline incoming road system is accessed after demineralized water carrys out non-return valve 3, before pneumatic control valve before stop valve 5,
Drainage pump and desalination water pump all automatically control by pneumatic control valve 6 to flow during oxygen-eliminating device moisturizing and maintain oxygen-eliminating device 11
Water level in setting range, and when both drainage pump, desalination water pump are chain operations, i.e. hydrophobic pump startup desalination water pump from
It is dynamic stop, desalination water pump automatic start when drainage pump stops, always thering is a pump to keep fortune among drainage pump, desalination water pump two pumps
OK, the moisturizing to oxygen-eliminating device is carried out continuously.Because the moisturizing to oxygen-eliminating device is carried out continuously, oxygen-eliminating device is effectively ensured that
The stabilization of pressure and temperature, it is ensured that system normal operation.
In this example, after drain tank water quality test is qualified, when water level reaches a high position for setting, hydrophobic pump startup, by dredging
Water lines incoming road system is hydrophobic to the conveying of oxygen-eliminating device deoxygenation head, maintains deaerator level setting under the control of pneumatic control valve
Scope, stop hydrophobic pump operation when low level of the drain tank water level decreasing to setting.
In this example, when desalination water pump is run, under the control of pneumatic control valve by desalination water lines incoming road system to
Oxygen-eliminating device conveys demineralized water, and maintains deaerator level in setting range.
Claims (3)
1. a kind of power plant's drain recovery is to the system of oxygen-eliminating device, including oxygen-eliminating device and the desalination water lines incoming road for accessing oxygen-eliminating device
System, condensate line incoming road system and hydrophobic pipeline incoming road system, in addition to go by oxygen-eliminating device the outlet system of feed pump；
The demineralized water that the demineralized water incoming road system includes setting gradually according to water (flow) direction is cut before coming non-return valve, pneumatic control valve
Only stop valve, oxygen-eliminating device entrance non-return valve after valve, pneumatic control valve, pneumatic control valve, in addition to pneumatic control valve and connecing
Pneumatic control valve bypasses hand stop valve, and pneumatic control valve bypass manual shutoff valve inlet is attempted by stop valve before pneumatic control valve
Before, pneumatic control valve bypass manual shutoff valve outlet is attempted by after pneumatic control valve after stop valve, when starting desalination water pump
When, the flow of desalination water pump is automatically controlled by the pneumatic control valve；
The condensate that the condensate line incoming road system includes setting gradually according to water (flow) direction comes hand stop valve and condensation
Water is to oxygen-eliminating device entrance non-return valve；
The hydrophobic pipeline incoming road system include according to water (flow) direction set gradually it is hydrophobic come hand stop valve and it is hydrophobic come it is inverse
Only valve；
It is characterized in that the hydrophobic pipeline incoming road system is arranged on before the pneumatic control valve, the hydrophobic pipeline incoming road system
The outlet of system accessed after demineralized water carrys out non-return valve, before pneumatic control valve before stop valve, drainage pump and desalination water pump to except
Flow during oxygen device moisturizing all has to pass through pneumatic control valve and automatically controls and maintain the water level of oxygen-eliminating device in setting range, and
And both drainage pump, desalination water pump are when desalination water pump is automatically stopped when being chain operation, i.e. hydrophobic pump startup, drainage pump stops
Desalination water pump automatic start, always there is a pump to remain among drainage pump, desalination water pump two pumps, the moisturizing to oxygen-eliminating device is
It is carried out continuously.
2. a kind of power plant's drain recovery according to claim 1 is to the system of oxygen-eliminating device, it is characterized in that, when drain tank water quality
Chemically examine it is qualified after, when water level reaches a high position for setting, hydrophobic pump startup, by hydrophobic pipeline incoming road system to oxygen-eliminating device deoxygenation head
Convey hydrophobic, deaerator level is maintained under the control of pneumatic control valve in setting range, when drain tank water level decreasing is to setting
Low level when stop hydrophobic pump operation.
3. a kind of power plant's drain recovery according to claim 1 is to the system of oxygen-eliminating device, it is characterized in that, when desalination water pump is transported
During row, demineralized water is conveyed to oxygen-eliminating device by desalination water lines incoming road system under the control of pneumatic control valve, and maintain deoxygenation
Device water level is in setting range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628985.1U CN207035072U (en) | 2017-06-01 | 2017-06-01 | A kind of power plant's drain recovery to oxygen-eliminating device system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628985.1U CN207035072U (en) | 2017-06-01 | 2017-06-01 | A kind of power plant's drain recovery to oxygen-eliminating device system |
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| CN207035072U true CN207035072U (en) | 2018-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996557A (en) * | 2017-06-01 | 2017-08-01 | 深圳市能源环保有限公司 | A kind of power plant's drain recovery to oxygen-eliminating device system |
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- 2017-06-01 CN CN201720628985.1U patent/CN207035072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996557A (en) * | 2017-06-01 | 2017-08-01 | 深圳市能源环保有限公司 | A kind of power plant's drain recovery to oxygen-eliminating device system |
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Address after: 518046 13th Floor, Times Financial Center, 4001 Shennan Avenue, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Energy and environmental protection Co.,Ltd. Address before: 518046 13th Floor, Times Financial Center, 4001 Shennan Avenue, Futian District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ENERGY ENVIRONMENTAL ENGINEERING Co.,Ltd. |