CN207539891U - Supercritical unit voltage stabilizing steam-line blowing water charging system - Google Patents
Supercritical unit voltage stabilizing steam-line blowing water charging system Download PDFInfo
- Publication number
- CN207539891U CN207539891U CN201721681036.6U CN201721681036U CN207539891U CN 207539891 U CN207539891 U CN 207539891U CN 201721681036 U CN201721681036 U CN 201721681036U CN 207539891 U CN207539891 U CN 207539891U
- Authority
- CN
- China
- Prior art keywords
- water
- voltage stabilizing
- sweet
- pump
- solidifying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of supercritical unit voltage stabilizing steam-line blowing water charging system, including sweet-water tank, the first connecting pipe, except salt pump, solidifying water supply tank, the second connecting pipe, solidifying benefit pump, condenser, moisturizing pipeline and small pump；If one end of the first connecting pipe is divided into main line branch pipe connection sweet-water tank, other end connection is coagulated water supply tank, is respectively equipped on each road branch pipe of the first connecting pipe except salt pump；If one end of the second connecting pipe is divided into the solidifying water supply tank of main line branch pipe connection, the other end connects condenser, and solidifying benefit pump is respectively equipped on each road branch pipe of the second connecting pipe；One end connection sweet-water tank of moisturizing pipeline, other end connection condenser, moisturizing pipeline are equipped with small pump.The utility model has the advantage of：It solves the problems, such as that chemical moisturizing and boiler feed water are unmatched, meets the water demand of boiler voltage stabilizing steam-line blowing, improve efficiency and the safety of fired power generating unit capital construction process.
Description
Technical field
The utility model is related to thermal power generation unit voltage stabilizing steam-line blowing field more particularly to a kind of supercritical unit voltage stabilizings
Steam-line blowing water charging system.
Background technology
Foundation《Thermal power generation construction project unit steam-line blowing directive/guide》DLT1269-2013 and《Thermal power generation construction project
Start test run and control of acceptance》The regulation of DLT5437-2009 creates thermal power unit boiler before the startup of unit the whole series, it is necessary to right
Boiler water system, vapour system carry out steam blowing, miscellaneous to blow down iron scale, iron filings, welding slag, sand grains inside pipeline etc.
Object, it is ensured that the safety of boiler heating surface, turbine blade and valve accelerates the process of steam quality qualification.However in thermal motor
During group Boiler Steam blowpipe, it occur frequently that because chemical moisturizing ability can not meet the needs of this particular stage, pot is caused
Stove steam-line blowing this high risk, the time lengthening of abnormal operational conditions increase the risk of capital construction work, and billow
The human and material resources of Fei Liaoge units of taking part in building cause obstacle to a whole set of test run of fired power generating unit and comercial operation.
Utility model content
The technical problem to be solved by the utility model is to provide one kind can meet boiler voltage stabilizing steam-line blowing water need
The supercritical unit voltage stabilizing steam-line blowing water charging system asked.
The utility model is to solve above-mentioned technical problem by the following technical programs：Supercritical unit voltage stabilizing steam-line blowing
Water charging system, including sweet-water tank (1), the first connecting pipe (2), except salt pump (3), solidifying water supply tank (4), the second connecting pipe
(5), it coagulates and mends pump (6), condenser (7), moisturizing pipeline (8) and small pump (9)；One end of first connecting pipe (2) is divided into
If main line branch pipe connects the sweet-water tank (1), the other end connects the solidifying water supply tank (4), first connecting pipe (2)
It is respectively equipped on each road branch pipe except salt pump (3)；Second connecting pipe (5) if to be divided into the connection of main line branch pipe described solidifying for one end
Water supply tank (4), the other end connect the condenser (7), solidifying benefit are respectively equipped on each road branch pipe of second connecting pipe (5)
It pumps (6)；One end of the moisturizing pipeline (8) connects the sweet-water tank (1), and the other end connects the condenser (7), the benefit
Waterpipe (8) is equipped with small pump (9).
Technical solution as an optimization, the sweet-water tank (1) totally two, two sweet-water tanks (1) are interconnected.
Technical solution as an optimization, first connecting pipe (2) are connected on one of sweet-water tank (1), institute
The one end for stating moisturizing pipeline (8) is divided into two-way branch pipe, connects two sweet-water tanks (1) respectively.
Technical solution as an optimization, the volume of each sweet-water tank (1) are greater than or equal to 3000m3。
Technical solution as an optimization, one end that first connecting pipe (2) connects the sweet-water tank (1) are divided into four
Road branch pipe, be located on four road branch pipes except the flow of salt pump (3) is respectively 200t/h, 200t/h, 100t/h, 100t/h.
Technical solution as an optimization, one end that second connecting pipe (5) connects the solidifying water supply tank (4) are divided into three
Road branch pipe, the flow for being located at the solidifying benefit pump (6) on three road branch pipes is respectively 410t/h, 200t/h, 100t/h.
Technical solution as an optimization, the flow of the small pump (9) are greater than or equal to 500t/h.
Technical solution as an optimization, the moisturizing pipeline (8) is using stainless steel tube.
Technical solution as an optimization, the caliber of the moisturizing pipeline (8) is DN350, wall thickness 12mm.
It is respectively equipped in the moisturizing pipeline (8) of technical solution as an optimization, small pump (9) entrance side and outlet side
Manual isolating door (10).
The utility model has the advantage of：The water consumption during voltage stabilizing steam-line blowing can be calculated, solves chemical moisturizing
With the unmatched problem of boiler feed water, the water demand of boiler voltage stabilizing steam-line blowing is met, improves fired power generating unit capital construction
The efficiency of journey and safety.
Description of the drawings
Fig. 1 is the structure diagram of the utility model supercritical unit voltage stabilizing steam-line blowing water charging system.
Specific embodiment
Supercritical unit voltage stabilizing steam-line blowing method for supplementing water, includes the following steps：
The momentum of steam, takes a certain cell in voltage stabilizing steam-line blowing system when monitoring voltage stabilizing steam-line blowing with pressure decline method
Section, when the section is sufficiently small, the steam specific volume in the section can be considered a constant, and the resistance for flowing through the section at this time is：
Δ P=ξ [C2/(2g·ν)]；
In formula：Δ P is resistance, and ξ is resistance coefficient, and C is mean flow rate, and ν is steam specific volume, and ɡ is acceleration of gravity；
Declared working condition is represented with subscript 0, at this time：
ΔP/ΔP0
=ζ [C2/(2g.v)]/ζ[C0 2/(2g.v0)]
=(C2/v)/(C0 2/v0)
=[(G.v/F)2/v]/[(G0.v0/F)2/v0]
=(G2.v)/(G0 2.v0)
=k；
In formula：F is cross-sectional flow area, and G is mass flow, G0For the mass flow under declared working condition, ν0For under declared working condition
Steam specific volume, k is pipe-blowing coefficient；
Then the water consumption during voltage stabilizing steam-line blowing is：
Pipe-blowing coefficient k is 1.0~1.4, G0And ν0For known parameters during boiler design parameter and blowpipe, ν is steamed by looking into water
Gas specific volume table obtains, substitutes into above formula and calculates to obtain water consumption G during voltage stabilizing steam-line blowing；
Supercritical unit voltage stabilizing steam-line blowing water charging system is designed according to water consumption G.
Water consumption G is about 850~1200t/h during certain power plant thermal power generation unit voltage stabilizing steam-line blowing is calculated.
As shown in Figure 1, supercritical unit voltage stabilizing steam-line blowing water charging system, including sweet-water tank 1, the first connecting pipe 2,
Except salt pump 3, solidifying water supply tank 4, the second connecting pipe 5, solidifying mend pump 6, condenser 7, moisturizing pipeline 8, small pump 9 and manual isolating door
10。
Sweet-water tank 1 totally two, two sweet-water tanks 1 are interconnected, and the volume of each sweet-water tank 1 is greater than or equal to
3000m3。
One end of first connecting pipe 2 is divided into four road branch pipes and is connected on one of sweet-water tank 1, and other end connection is solidifying
Water supply tank 4 is respectively equipped on each road branch pipe of first connecting pipe 2 except salt pump 3, and four are respectively 200t/ except the flows of salt pump 3
h、200t/h、100t/h、100t/h。
One end of second connecting pipe 5 is divided into the three solidifying water supply tanks 4 of road branch pipe connection, and other end connection condenser 7, second connects
Solidifying mend is respectively equipped on each road branch pipe in take over road 5 and pumps 6, three solidifying flows for mending pump 6 are respectively 410t/h, 200t/h, 100t/
h。
One end of moisturizing pipeline 8 is divided into the bottom that two-way branch pipe is connected to sweet-water tank 1, other end connection condenser
7, moisturizing pipeline 8 is equipped with small pump 9, and manual isolating door is respectively equipped in the moisturizing pipeline 8 of 9 entrance side of small pump and outlet side
10。
Moisturizing pipeline 8 uses stainless steel tube, caliber DN350, wall thickness 12mm.
The flow of small pump 9 is greater than or equal to 500t/h.
Every time before igniting, two sweet-water tanks 1 are filled into water, and maintain the high water level of solidifying water supply tank 4, opens in unit, stop
The water consumption rate larger stage starts the desalination water pump 1 of 2 200t/h, in the unit normal operation water consumption smaller stage, starts
The desalination water pump 1 of 2 100t/h can meet the normal moisturizing demand of unit；Start 4 during boiler voltage stabilizing steam-line blowing
Platform desalination water pump 1 and small pump 9 can meet the water demand of boiler voltage stabilizing steam-line blowing, when small pump 9 stops moisturizing,
Close the manual isolating door 10 of its entrance side and outlet side.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement made within novel spirit and principle etc., should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of supercritical unit voltage stabilizing steam-line blowing water charging system, it is characterised in that：Including sweet-water tank (1), the first connection
Pipeline (2), except salt pump (3), solidifying water supply tank (4), the second connecting pipe (5), solidifying mend pump (6), condenser (7), moisturizing pipeline (8)
With small pump (9)；First connecting pipe (2) if one end be divided into main line branch pipe and connect the sweet-water tank (1), the other end
The solidifying water supply tank (4) is connected, is respectively equipped on each road branch pipe of first connecting pipe (2) except salt pump (3)；Described second
Connecting pipe (5) if one end be divided into main line branch pipe and connect the solidifying water supply tank (4), the other end connects the condenser (7), institute
It states and solidifying benefit pump (6) is respectively equipped on each road branch pipe of the second connecting pipe (5)；Described in one end connection of the moisturizing pipeline (8)
Sweet-water tank (1), the other end connect the condenser (7), and the moisturizing pipeline (8) is equipped with small pump (9).
2. supercritical unit voltage stabilizing steam-line blowing water charging system as described in claim 1, it is characterised in that：The sweet-water tank
(1) totally two, two sweet-water tanks (1) are interconnected.
3. supercritical unit voltage stabilizing steam-line blowing water charging system as claimed in claim 2, it is characterised in that：First connection
Pipeline (2) is connected on one of sweet-water tank (1), and one end of the moisturizing pipeline (8) is divided into two-way branch pipe, connects respectively
Two sweet-water tanks (1).
4. supercritical unit voltage stabilizing steam-line blowing water charging system as claimed in claim 2, it is characterised in that：Each sweet-water tank
(1) volume is greater than or equal to 3000m3。
5. supercritical unit voltage stabilizing steam-line blowing water charging system as claimed in claim 4, it is characterised in that：First connection
One end that pipeline (2) connects the sweet-water tank (1) is divided into four road branch pipes, be located on four road branch pipes except the flow of salt pump (3)
Respectively 200t/h, 200t/h, 100t/h, 100t/h.
6. supercritical unit voltage stabilizing steam-line blowing water charging system as claimed in claim 5, it is characterised in that：Second connection
One end that pipeline (5) connects the solidifying water supply tank (4) is divided into three road branch pipes, is located at the flow of the solidifying benefit pump (6) on three road branch pipes
Respectively 410t/h, 200t/h, 100t/h.
7. supercritical unit voltage stabilizing steam-line blowing water charging system as claimed in claim 4, it is characterised in that：The small pump
(9) flow is greater than or equal to 500t/h.
8. supercritical unit voltage stabilizing steam-line blowing water charging system as described in claim 1, it is characterised in that：The moisturizing pipeline
(8) using stainless steel tube, caliber DN350, wall thickness 12mm.
9. supercritical unit voltage stabilizing steam-line blowing water charging system as described in claim 1, it is characterised in that：The moisturizing pipeline
(8) caliber is DN350, wall thickness 12mm.
10. such as claim 1-9 any one of them supercritical unit voltage stabilizing steam-line blowing water charging systems, it is characterised in that：Institute
It states and is respectively equipped with manual isolating door (10) in the moisturizing pipeline (8) of small pump (9) entrance side and outlet side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681036.6U CN207539891U (en) | 2017-12-06 | 2017-12-06 | Supercritical unit voltage stabilizing steam-line blowing water charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681036.6U CN207539891U (en) | 2017-12-06 | 2017-12-06 | Supercritical unit voltage stabilizing steam-line blowing water charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539891U true CN207539891U (en) | 2018-06-26 |
Family
ID=62617216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721681036.6U Expired - Fee Related CN207539891U (en) | 2017-12-06 | 2017-12-06 | Supercritical unit voltage stabilizing steam-line blowing water charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681859A (en) * | 2019-02-19 | 2019-04-26 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Direct current cooker image-stabilization FCS water charging system and method for supplementing water |
-
2017
- 2017-12-06 CN CN201721681036.6U patent/CN207539891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681859A (en) * | 2019-02-19 | 2019-04-26 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Direct current cooker image-stabilization FCS water charging system and method for supplementing water |
| CN109681859B (en) * | 2019-02-19 | 2024-03-08 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Water supplementing system and water supplementing method for pressure-stabilizing blowpipe of once-through boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2921272A1 (en) | Pump-type autoclave system and steam and pressure supply method thereof | |
| JP2016525682A5 (en) | ||
| CN207539891U (en) | Supercritical unit voltage stabilizing steam-line blowing water charging system | |
| CN201696679U (en) | Safe water seal for conveying combustible gas | |
| US9579820B2 (en) | Solar autoclave equipment | |
| CN205940193U (en) | Gas -liquid reposition of redundant personnel negative micro -pressure steam condensate water recovery system | |
| CN107842843A (en) | Supercritical unit voltage stabilizing steam-line blowing method for supplementing water and water charging system | |
| CN106439784B (en) | A kind of full-automatic deaerator exhaust heat energy recycle method and its system | |
| CN208345796U (en) | Degassing formula oxygen-eliminating device | |
| CN204806368U (en) | Boiler feed water circulation deoxidization system in steam turbine power generation unit | |
| CN103697451B (en) | A kind of high-temperature atmospheric steam generator | |
| CN104990065B (en) | Boiler feedwater circulation deaerating type of cycles in turbine LP rotors | |
| CN105041478B (en) | A kind of fuel oil heater | |
| CN108534591B (en) | Wind disturbance descaling system and method for heat exchanger | |
| CN112268853A (en) | High-temperature geothermal steam erosion corrosion experimental device and test method thereof | |
| CN106587234A (en) | Liquid delivery device based on pressure difference and working method | |
| CN206786705U (en) | A kind of CFBB gas-distributing cylinder system | |
| CN206191256U (en) | A comdenstion water discharge system for reducing water hammer phenomenon takes place | |
| CN204153977U (en) | Modified water-bath stove heating system | |
| CN105548247B (en) | A kind of device and method for measuring high pressure complex fluid throttle effect coefficient | |
| CN209180914U (en) | A kind of hydrophobic heating system as heat source of boiler blow-off | |
| CN105783101A (en) | Domestic hot water supply device for factory and operation method | |
| CN110386632A (en) | Frequency conversion constant-pressure water supplementing vacuum degassing group | |
| CN103035305A (en) | Hydrogen elimination test device | |
| CN219771895U (en) | High-water-adding, hydrophobic and oxygen-adding device for power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20181206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |