CN106765032A - A kind of power plant steam water sampling water reclamation system and recovery method - Google Patents
A kind of power plant steam water sampling water reclamation system and recovery method Download PDFInfo
- Publication number
- CN106765032A CN106765032A CN201611239322.7A CN201611239322A CN106765032A CN 106765032 A CN106765032 A CN 106765032A CN 201611239322 A CN201611239322 A CN 201611239322A CN 106765032 A CN106765032 A CN 106765032A
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- China
- Prior art keywords
- liquid level
- header tank
- condenser
- water
- power plant
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000005070 sampling Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000011084 recovery Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 88
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 235000014171 carbonated beverage Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/46—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of power plant steam water sampling water reclamation system and recovery method,Including the header tank that is arranged in condensate pump melt pit and it is arranged on header tank top and collects main pipe for collect steam water sampling water,The steam water sampling water collected in main pipe enters header tank by flow by gravity,The liquid level gauge for monitoring liquid level in header tank is provided with header tank,Header tank is connected by outlet conduit with condenser,Condenser is used to reclaim water sample in header tank,The control valve of the filter and control header tank and condenser break-make for filtering and sampling impurities in water is disposed with outlet conduit between header tank and condenser,By being disposed with filter and control valve on the outlet conduit between header tank and condenser,Realize the purpose for reclaiming unit steam water sampling water and recycling,Flow by gravity is relied on when water sample is collected,Sucked by condenser negative pressure when reclaiming water sample,Any power consumption is not increased,With obvious water saving and energy-saving effect.
Description
Technical field
The invention belongs to power plant water-treatment technology field, and in particular to a kind of power plant steam water sampling water reclamation system and
Recovery method.
Background technology
By the supervision to unit water and steam quality, it is ensured that steam purity, prevent boiler tube from corroding, so that it is guaranteed that unit is pacified
Row for the national games.At present, Once-through Boiler sampling water mainly includes condensate pump outlet sampling, mixed bed outlet sampling, precision processing outlet main pipe
Sampling, oxygen-eliminating device entrance sampling, oxygen-eliminating device outlet sampling, economizer import sampling, separator sampling, superheated steam sample, again
Vapours sampling, HP heater drainage sampling, low plus hydrophobic sampling etc., drum boiler also include stove water sampling, saturated vapor sampling etc., on
These sampling waters stated are by the way of directly discharge, and the discharge of steam water sampling water causes the waste of water resource, especially right
Become apparent in water shortage zone.Thermal power plant's water saving has been listed in emphasis research topic, by reclaiming steam water sampling water extremely
Unit condenser, can utilize steam water sampling Water Sproading, with good water saving and energy-conserving action.Additionally, part power plant in order to
Water saving, often closes hand sample valve, only just opens hand sample valve in sampling, causes institute's water sampling frequently contaminated,
Have impact on the accuracy of analysis test.In consideration of it, needing a kind of method that can realize steam water sampling Water Sproading.
The content of the invention
In order to realize the recovery of steam water sampling water and recycle, returned the invention provides a kind of power plant steam water sampling water
Receipts system and recovery method, by being disposed with filter and control valve on the outlet conduit between header tank and condenser
Door, realizes the purpose for reclaiming unit steam water sampling water and recycling, and flow by gravity is relied on when water sample is collected, and reclaims water sample
When sucked by condenser negative pressure, any power consumption is not increased, with obvious water saving and energy-saving effect.
To achieve the above objectives, the present invention is adopted the following technical scheme that：A kind of power plant steam water sampling water reclamation system, bag
Include the header tank that is arranged in condensate pump melt pit and be arranged on header tank top and collect main pipe for collect steam water sampling water,
The steam water sampling water collected in main pipe enters header tank by flow by gravity, is provided with header tank for monitoring liquid in header tank
The liquid level gauge of face height, header tank is connected by outlet conduit with condenser, and condenser is used to reclaim water sample in header tank, catchments
The filter and control header tank for filtering and sampling impurities in water are disposed with outlet conduit between case and condenser
With the control valve of condenser break-make.
Liquid level ceiling value and liquid level lower limit value are provided with liquid level gauge.
When liquid level reaches the liquid level ceiling value of liquid level gauge setting in header tank, control valve is opened, using condensing
The steam water sampling Water Sproading that the negative pressure of device collects header tank is to condenser；When liquid level reaches liquid level gauge setting in header tank
Liquid level lower limit value when, closing control valve disconnects the connection between header tank and condenser, and condenser stops reclaiming water sample.
Protection valve is additionally provided with outlet conduit between header tank and condenser.
The ultralow limit value of liquid level is provided with liquid level gauge, in header tank liquid level reach setting in liquid level gauge liquid level it is ultralow
During limit value, the connection that protection valve is disconnected between header tank and condenser is closed, condenser stops reclaiming water sample.
Protection valve is protection motor-driven valve.
Liquid level is calculated as band remote transfer signal liquid level gauge.
Control valve is control motor-driven valve.
Liquid level gauge realizes the control to control valve and protection valve by PLC.
A kind of power plant steam water sampling water recovery method, monitors liquid level in header tank by liquid level gauge first, works as collection
When liquid level reaches the liquid level ceiling value of liquid level gauge setting in water tank, control valve is opened, the negative pressure using condenser will collect
The steam water sampling Water Sproading that water tank is collected is to condenser；When liquid level reaches the liquid level lower limit value of liquid level gauge setting in header tank
When, closing control valve disconnects the connection between header tank and condenser, and condenser stops reclaiming water sample；When liquid in header tank
Face highly limit value ultralow less than the liquid level that reaches setting in liquid level gauge when, close protection valve so as to disconnect header tank and condenser
Between connection, condenser stop reclaim water sample.
Compared with prior art, the present invention at least has the following advantages that the present invention is simple and practical and safe and reliable, collects mother
Instrument sampling water sample and hand sample water sample on manifold collection steam water sampling frame, the steam water sampling water collected in main pipe pass through gravity
Gravity flow enters header tank, by being disposed with filter and control valve on the outlet conduit between header tank and condenser
Door, realizes the purpose for reclaiming unit steam water sampling water and recycling, and flow by gravity is relied on when water sample is collected, and reclaims water sample
When sucked by condenser negative pressure, any power consumption is not increased, with obvious water saving and energy-saving effect.
Further, in order to prevent because of the vacuum of control valve fault impact condenser, between header tank and condenser
Outlet conduit on be additionally provided with protection valve, when control valve breaks down, the liquid level gauge on header tank can be caused to reach
The ultralow limit value of level set, now, protection valve is automatically switched off, it is ensured that condenser vacuum is unaffected, it is ensured that unit is pacified
Full stable operation.
Further, protection valve is protection motor-driven valve, and control valve is control motor-driven valve, realizes the automatic of the system
Change control.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In accompanying drawing：1- collects main pipe, 2- header tanks, 3- liquid level gauges, 4- filters, 5- control valves, 6- protection valves, 7-
Condenser.
Specific embodiment
Specific embodiment of the invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention includes the header tank 2 being arranged in condensate pump melt pit and is arranged on the top of header tank 2
Collect main pipe 1 for collect steam water sampling water, the steam water sampling water collected in main pipe 1 enters header tank 2 by flow by gravity,
The liquid level gauge 3 for monitoring liquid level in header tank 2 is provided with header tank 2, liquid level gauge 3 is band remote transfer signal liquid level gauge,
Liquid level ceiling value, liquid level lower limit value and the ultralow limit value of liquid level are provided with liquid level gauge 3；Header tank 2 passes through outlet conduit and coagulates
Vapour device 7 is connected, and condenser 7 is used to reclaim water sample in header tank 2, is set successively on the outlet conduit between header tank 2 and condenser 7
It is equipped with the control valve 5 of filter 4, control header tank 2 with the break-make of condenser 7 and the protection for filtering and sampling impurities in water
Valve 6.
When liquid level reaches the liquid level ceiling value of the setting of liquid level gauge 3 in header tank 2, control valve 5 is opened, using solidifying
The steam water sampling Water Sproading that the negative pressure of vapour device 7 collects header tank 2 is to condenser 7；When liquid level reaches liquid level in header tank 2
During the liquid level lower limit value of the setting of meter 3, closing control valve 5 disconnects the connection between header tank 2 and condenser 7, and condenser 7 stops
Non-return receives water sample；When liquid level reaches the ultralow limit value of liquid level of setting in liquid level gauge 3 in header tank 2, protection valve 6 is closed
The connection between header tank 2 and condenser 7 is disconnected, condenser 7 stops reclaiming water sample.
Protection valve 6 is protection motor-driven valve, and control valve 5 is control motor-driven valve, and liquid level gauge 3 is used to obtain in header tank 2
Liquid level, is compared by liquid level with limit value, so as to be manipulated to control valve 5 and protection valve 6, in this hair
In a bright embodiment, using the liquid level restriction signal of liquid level gauge 3 directly manipulate electronic threshold switch (i.e. equivalent to contact, class
Like tongue tube control principle)；In another embodiment of the invention, liquid level gauge 3 believes liquid level gauge electric signal and electronic threshold switch
Number PLC is fed back to, control valve 5 and the protection switch motion of valve 6 are performed by PLC.
Claims (10)
1. a kind of power plant steam water sampling water reclamation system, it is characterised in that including being arranged on catchmenting in condensate pump melt pit
Case (2) and header tank (2) top is arranged on for collecting the carbonated drink collected main pipe (1), collect in main pipe (1) of steam water sampling water
Sampling water enters header tank (2) by flow by gravity, is provided with header tank (2) for monitoring header tank (2) interior liquid level
Liquid level gauge (3), header tank (2) connected by outlet conduit with condenser (7), during condenser (7) is for reclaiming header tank (2)
Water sample, is disposed with the filtering for filtering and sampling impurities in water on the outlet conduit between header tank (2) and condenser (7)
The control valve (5) of device (4) and control header tank (2) and condenser (7) break-make.
2. a kind of power plant steam water sampling water reclamation system according to claim 1, it is characterised in that in liquid level gauge (3)
It is provided with liquid level ceiling value and liquid level lower limit value.
3. a kind of power plant steam water sampling water reclamation system according to claim 2, it is characterised in that when header tank (2)
When interior liquid level reaches the liquid level ceiling value of liquid level gauge (3) setting, control valve (5) is opened, using the negative pressure of condenser (7)
By the steam water sampling Water Sproading of header tank (2) collection to condenser (7)；When header tank (2), interior liquid level reaches liquid level gauge (3)
During the liquid level lower limit value of setting, closing control valve (5) disconnects the connection between header tank (2) and condenser (7), condenser
(7) stop reclaiming water sample.
4. a kind of power plant steam water sampling water reclamation system according to claim 1, it is characterised in that header tank (2) with
Protection valve (6) is additionally provided with outlet conduit between condenser (7).
5. a kind of power plant steam water sampling water reclamation system according to claim 4, it is characterised in that in liquid level gauge (3)
It is provided with the ultralow limit value of liquid level, when header tank (2) interior liquid level reaches the ultralow limit value of liquid level of setting in liquid level gauge (3), closes
The connection that protection valve (6) is disconnected between header tank (2) and condenser (7) is closed, condenser (7) stops reclaiming water sample.
6. a kind of power plant steam water sampling water reclamation system according to claim 4, it is characterised in that protection valve (6)
It is protection motor-driven valve.
7. a kind of power plant steam water sampling water reclamation system according to claim 1, it is characterised in that liquid level gauge (3) is
Band remote transfer signal liquid level gauge.
8. a kind of power plant steam water sampling water reclamation system according to claim 1, it is characterised in that control valve (5)
It is control motor-driven valve.
9. a kind of power plant steam water sampling water reclamation system according to claim 4, it is characterised in that liquid level gauge (3) leads to
Cross the control that PLC is realized to control valve (5) and protected valve (6).
10. a kind of power plant steam water sampling water recovery method, it is characterised in that header tank (2) is monitored by liquid level gauge (3) first
Interior liquid level, when header tank (2) interior liquid level reaches the liquid level ceiling value of liquid level gauge (3) setting, opens control valve
(5) the steam water sampling Water Sproading, collected header tank (2) using the negative pressure of condenser (7) is to condenser (7)；When header tank (2)
When interior liquid level reaches the liquid level lower limit value of liquid level gauge (3) setting, closing control valve (5) disconnects header tank (2) and condensing
Connection between device (7), condenser (7) stops reclaiming water sample；Liquid level gauge (3) is reached when header tank (2) interior liquid level is less than
During the ultralow limit value of the liquid level of interior setting, protection valve (6) is closed so as to disconnect the connection between header tank (2) and condenser (7),
Condenser (7) stops reclaiming water sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239322.7A CN106765032A (en) | 2016-12-28 | 2016-12-28 | A kind of power plant steam water sampling water reclamation system and recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239322.7A CN106765032A (en) | 2016-12-28 | 2016-12-28 | A kind of power plant steam water sampling water reclamation system and recovery method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106765032A true CN106765032A (en) | 2017-05-31 |
Family
ID=58925387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611239322.7A Pending CN106765032A (en) | 2016-12-28 | 2016-12-28 | A kind of power plant steam water sampling water reclamation system and recovery method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106765032A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739734A (en) * | 2022-04-11 | 2022-07-12 | 华能左权煤电有限责任公司 | Device of unit soda sampling frame recovery water |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788060U (en) * | 2010-09-10 | 2011-04-06 | 苏州市中新动力设备辅机有限公司 | Condensed water sampling and leakage detection device for steam condenser |
| CN204002953U (en) * | 2014-07-25 | 2014-12-10 | 西安兴仪启动发电试运行有限公司 | A kind of thermal power generation unit sampling cooling water recycling device |
| CN205825744U (en) * | 2016-03-24 | 2016-12-21 | 中国石油化工股份有限公司 | The simple retracting device of sample water of boiler |
| CN206369202U (en) * | 2016-12-28 | 2017-08-01 | 华电电力科学研究院 | Power plant steam water sampling water reclamation system |
-
2016
- 2016-12-28 CN CN201611239322.7A patent/CN106765032A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788060U (en) * | 2010-09-10 | 2011-04-06 | 苏州市中新动力设备辅机有限公司 | Condensed water sampling and leakage detection device for steam condenser |
| CN204002953U (en) * | 2014-07-25 | 2014-12-10 | 西安兴仪启动发电试运行有限公司 | A kind of thermal power generation unit sampling cooling water recycling device |
| CN205825744U (en) * | 2016-03-24 | 2016-12-21 | 中国石油化工股份有限公司 | The simple retracting device of sample water of boiler |
| CN206369202U (en) * | 2016-12-28 | 2017-08-01 | 华电电力科学研究院 | Power plant steam water sampling water reclamation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739734A (en) * | 2022-04-11 | 2022-07-12 | 华能左权煤电有限责任公司 | Device of unit soda sampling frame recovery water |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170531 |