CN208268782U - A kind of Generator Stator Cooling system and its hydrogen discharge - Google Patents
A kind of Generator Stator Cooling system and its hydrogen discharge Download PDFInfo
- Publication number
- CN208268782U CN208268782U CN201820440678.5U CN201820440678U CN208268782U CN 208268782 U CN208268782 U CN 208268782U CN 201820440678 U CN201820440678 U CN 201820440678U CN 208268782 U CN208268782 U CN 208268782U
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- China
- Prior art keywords
- valve
- hydrogen
- water tank
- hydrogen discharge
- cooling water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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- Motor Or Generator Cooling System (AREA)
Abstract
It includes the air inlet pipeline and gas exhaust piping being connected to cooling water tank that the utility model, which provides a kind of Generator Stator Cooling system and its hydrogen discharge, the latter,；The inlet end of the air inlet pipeline is connected with source nitrogen, and outlet side is connected with the nitrogen inlet of the cooling water tank, and the nitrogen inlet is set to position of the cooling water tank in addition to manhole door；The inlet end of the gas exhaust piping is connected with the hydrogen discharge of the cooling water tank, and outlet side accesses atmosphere or is connected with Hydrogen collection tank, and the hydrogen discharge is set on the manhole door；In this way, the hydrogen discharge passes through aperture at the manhole at the top of cooling water tank and increases gas exhaust piping all the way, prevent hydrogen from assembling inside water tank, realize the nitrogen charging displacement of water tank, effectively hydrogen is avoided to assemble, to improve hydrogen discharge and diadochy, ensure that the normal operation of equipment.
Description
Technical field
The utility model relates to large power generating equipment auxiliary device technical fields, fixed for generator more particularly, to one kind
The hydrogen discharge of sub- cooling system.It is cold that the utility model further relates to a kind of generator unit stator including the hydrogen discharge
But system.
Background technique
To avoid high temperature failure, the stator coil of large-scale generator is needed using high purity water cooling, and generator fills
Full hydrogen.During generator is run, the higher hydrogen of pressure can penetrate into stator coil water pipe, cause stator coil water outlet that may contain
There is trace hydrogen.Stator cooling system includes closed cooling water tank, the safety valve for being mounted on tank top and hydrogen monitoring dress
It sets；When stator coil water outlet enters cooling water tank, since the density of hydrogen is smaller, hydrogen contained in water be will accumulate on water tank
Portion.Water tank upper is equipped with safety valve, when water loading pressure is higher than safety valve action pressure, can be arranged automatically by safety valve
Gas prevents water tank superpressure.Determine that hydrogen monitoring device is installed at the top of cold water storage cistern, it is dense for measuring the hydrogen for determining to assemble at the top of cold water storage cistern
Degree.
Determine cold water storage cistern leakage HydroNit sensor it is general between be mounted on and determine cold water upper box part, while tank top be filled with nitrogen come every
Exhausted air is automatically drained out hydrogen, records hydrogen discharge by gas meter after the aggregation of tank top hydrogen is more than safety valve action
Amount.But density of hydrogen in cold water storage cistern is always bigger than normal, and main cause is to determine cold water for determining of detecting of hydrogen leakage monitor instrument all the time
There is a round manhole door in box top, and manhole door is higher than tank top, causes determining easily to assemble hydrogen at cold water storage cistern manhole door,
Safety valve of water tank cannot drain the hydrogen at manhole door when acting, and form a dead angle, set even if carrying out nitrogen for a long time
It changes, can not also allow dead angle displacement complete.
Therefore it provides a kind of hydrogen discharge for Generator Stator Cooling system, to avoid being formed in water tank
Hydrogen discharge and diadochy are improved in gas displacement dead angle, guarantee that equipment operates normally, just become those skilled in the art urgently
It solves the problems, such as.
Utility model content
The purpose of the utility model is to provide a kind of hydrogen discharges for Generator Stator Cooling system, to keep away
Exempt to form gas displacement dead angle in water tank, improve hydrogen discharge and diadochy, guarantees that equipment operates normally.The utility model
Another object is to provide a kind of Generator Stator Cooling system including above-mentioned hydrogen discharge.
In order to solve the above-mentioned technical problem, the utility model provides a kind of hydrogen discharge, cold for generator unit stator
But system, including the air inlet pipeline and gas exhaust piping being connected to cooling water tank；
The inlet end of the air inlet pipeline is connected with source nitrogen, the nitrogen inlet of outlet side and the cooling water tank
It is connected, and the nitrogen inlet is set to position of the cooling water tank in addition to manhole door；
The inlet end of the gas exhaust piping is connected with the hydrogen discharge of the cooling water tank, and atmosphere is accessed in outlet side
Or it is connected with Hydrogen collection tank, and the hydrogen discharge is set on the manhole door；
It is sequentially installed with the first on-off valve and the second on-off valve on the air inlet pipeline, is successively installed on the gas exhaust piping
There are the 4th on-off valve and the 5th on-off valve, the air inlet pipeline is arranged in parallel with the gas exhaust piping, and is passing through signal piping
It is connected, third on-off valve and leakage hydrogen detector is installed on the signal piping.
In bringing normally into operation, the first valve and the 5th valve are closed, open the second valve, third valve and the 4th valve
Door, cooling water tank will be discharged hydrogen by the gas exhaust piping increased newly at manhole door, can drain the hydrogen assembled at manhole door；?
When carrying out nitrogen charging operation, the first valve, the second valve, the 4th valve and the 5th valve are opened, closes third valve, nitrogen passes through
First valve and the second valve enter cooling water tank, to arrange the hydrogen in cooling water tank by the 4th valve and the 5th valve
It puts, and records and monitor discharge capacity by gas meter.
In this way, the hydrogen discharge passes through aperture at the manhole at the top of cooling water tank and increases gas exhaust piping all the way,
Extraction is followed by leaking hydrogen detector interface at threeway reserved one, which is connected to original exhaust pipe, and on newly-increased pipeline
Draw all the way exhaust pipe to gas meter inlet；It is low using hydrogen density, the high principle of density of nitrogen, by transformation, realize hydrogen from
Tank top discharge, the purpose that nitrogen is filled with from water tank low level prevent hydrogen from assembling inside water tank, are changed by simple pipeline
It makes, the nitrogen charging displacement of water tank may be implemented, effectively hydrogen is avoided to assemble, to improve hydrogen discharge and diadochy, guarantee
The normal operation of equipment.
Further, first on-off valve, second on-off valve, the third on-off valve, the 4th on-off valve
It is needle valve at least one of the 5th on-off valve.
Further, first on-off valve, second on-off valve, the third on-off valve, the 4th on-off valve
Be needle valve in the 5th on-off valve.
Further, the pressure regulator for adjusting nitrogen pressure is additionally provided on the air inlet pipeline.
Further, monitoring hydrogen discharged amount is additionally provided on the main line of the gas exhaust piping and the air inlet pipeline
Gas meter.
Further, pressure relief safety valve is additionally provided on the air inlet pipeline.
The utility model also provides a kind of Generator Stator Cooling system, the cooling water tank including having manhole door, and peace
Loaded on the hydrogen discharge on the cooling water tank, the hydrogen discharge is hydrogen discharge as described above.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of usage state diagram of specific embodiment of hydrogen discharge provided by the utility model.
Description of symbols:
1- cooling water tank
11- manhole door
21- source nitrogen
The first on-off valve of 22-
The second on-off valve of 23-
24- pressure regulator
25- pressure relief safety valve
The 4th on-off valve of 31-
The 5th on-off valve of 32-
41- third on-off valve
42- leaks hydrogen detector
5- gas meter
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
Referring to FIG. 1, Fig. 1 uses shape for a kind of specific embodiment of hydrogen discharge provided by the utility model
State figure.
In a specific embodiment, hydrogen discharge provided by the utility model is used for Generator Stator Cooling system
System, which includes the air inlet pipeline and gas exhaust piping being connected to cooling water tank 1；Wherein, the air inlet pipeline
Inlet end be connected with source nitrogen 21, outlet side is connected with the nitrogen inlet of the cooling water tank 1, and the nitrogen
Air inlet is set to position of the cooling water tank 1 in addition to manhole door 11；The inlet end of the gas exhaust piping and the cooling water
The hydrogen discharge of case 1 is connected, and outlet side accesses atmosphere or is connected with Hydrogen collection tank, and the hydrogen discharge is set
It is placed on the manhole door 11；The first on-off valve 22 and the second on-off valve 23, the row are sequentially installed on the air inlet pipeline
The 4th on-off valve 31 and the 5th on-off valve 32 are sequentially installed on air pipe, the air inlet pipeline is in parallel with the gas exhaust piping
Setting, and be connected by signal piping, third on-off valve 41 and leakage hydrogen detector 42 are installed on the signal piping.
Specifically, first on-off valve 22, second on-off valve 23, described in order to reduce the risk of leakage of hydrogen
At least one of third on-off valve 41, the 4th on-off valve 31 and described 5th on-off valve 32 are needle valve.Further
Ground, first on-off valve 22, second on-off valve 23, the third on-off valve 41, the 4th on-off valve 31 and described
It is needle valve in 5th on-off valve 32, so that multiple-protection is arranged, further decreases the risk of leakage of hydrogen, guarantee safety
Production.Wherein, needle valve is a kind of valve that can accurately adjust, and purposes is wider, and function is to be shut on or off pipeline to lead to
Lu Yong, the spool of needle valve are exactly a very sharp cone, and valve seat is inserted into as needle, is thus gained the name.
In bringing normally into operation, the first valve and the 5th valve are closed, open the second valve, third valve and the 4th valve
Door, cooling water tank 1 will be discharged hydrogen by the gas exhaust piping increased newly at manhole door 11, can arrange the hydrogen assembled at manhole door 11
It walks；When carrying out nitrogen charging operation, the first valve, the second valve, the 4th valve and the 5th valve are opened, closes third valve, nitrogen
Gas enters cooling water tank 1 by the first valve and the second valve, so as to by the hydrogen in cooling water tank 1 by the 4th valve and the
Five Valved discharges, and discharge capacity is recorded and monitored by gas meter 5.
In this way, the hydrogen discharge is by the aperture at the manhole at 1 top of cooling water tank and increases gas exhaust piping all the way,
Extraction is followed by leaking 42 interface of hydrogen detector at threeway reserved one, which is connected to original exhaust pipe, and in newly-increased pipeline
On draw all the way exhaust pipe to 5 inlet of gas meter；Low using hydrogen density, the high principle of density of nitrogen realizes hydrogen by transformation
It is discharged from tank top, the purpose that nitrogen is filled with from water tank low level prevents hydrogen from assembling inside water tank, changed by simple pipeline
It makes, the nitrogen charging displacement of water tank may be implemented, effectively hydrogen is avoided to assemble, to improve hydrogen discharge and diadochy, guarantee
The normal operation of equipment.
It is additionally provided with the pressure regulator 24 for adjusting nitrogen pressure on above-mentioned air inlet pipeline, is filled to be adjusted according to inflation requirements
The pressure of nitrogen, to guarantee that nitrogen has enough pressure, to improve gas displacement quality；Hypertonia is also avoided simultaneously
Caused safety accident.
For parameters such as the hydrogen flowing quantities that records and monitor discharge, in order to which equipment adjusts and safeguards, in gas exhaust piping and
The gas meter 5 of monitoring hydrogen discharged amount is additionally provided on the main line of the air inlet pipeline.Gas exhaust piping and air inlet pipeline herein
Main line, which refers to, is respectively connected with logical pipeline by threeway and gas exhaust piping and air inlet pipeline.
Further, it is additionally provided with pressure relief safety valve 25 on the air inlet pipeline, to realize pressure release when over pressure,
It avoids that high pressure explosion occurs.
In addition to above-mentioned hydrogen discharge, it is fixed that the utility model also provides a kind of generator including the hydrogen discharge
Sub- cooling system, refer to the prior art for other Each parts of the Generator Stator Cooling system, and this will not be repeated here.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (7)
1. a kind of hydrogen discharge is used for Generator Stator Cooling system, which is characterized in that including being connected to cooling water tank
Air inlet pipeline and gas exhaust piping；
The inlet end of the air inlet pipeline is connected with source nitrogen, and outlet side is connected with the nitrogen inlet of the cooling water tank
It is logical, and the nitrogen inlet is set to position of the cooling water tank in addition to manhole door；
The inlet end of the gas exhaust piping is connected with the hydrogen discharge of the cooling water tank, outlet side access atmosphere or with
Hydrogen collection tank is connected, and the hydrogen discharge is set on the manhole door；
It is sequentially installed with the first on-off valve and the second on-off valve on the air inlet pipeline, is sequentially installed on the gas exhaust piping
Four on-off valves and the 5th on-off valve, the air inlet pipeline are arranged in parallel with the gas exhaust piping, and are connected by signal piping
It is logical, third on-off valve and leakage hydrogen detector are installed on the signal piping.
2. hydrogen discharge according to claim 1, which is characterized in that first on-off valve, second on-off
At least one of valve, the third on-off valve, the 4th on-off valve and described 5th on-off valve are needle valve.
3. hydrogen discharge according to claim 1, which is characterized in that first on-off valve, second on-off
It is needle valve in valve, the third on-off valve, the 4th on-off valve and the 5th on-off valve.
4. hydrogen discharge according to claim 1, which is characterized in that be additionally provided with adjusting nitrogen on the air inlet pipeline
The pressure regulator of atmospheric pressure.
5. hydrogen discharge according to claim 1, which is characterized in that the gas exhaust piping and the air inlet pipeline
The gas meter of monitoring hydrogen discharged amount is additionally provided on main line.
6. hydrogen discharge according to claim 1, which is characterized in that be additionally provided with pressure release peace on the air inlet pipeline
Full valve.
7. a kind of Generator Stator Cooling system including the cooling water tank with manhole door, and is installed on the cooling water tank
Hydrogen discharge, which is characterized in that the hydrogen discharge be hydrogen as claimed in any one of claims 1 to 6 discharge
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440678.5U CN208268782U (en) | 2018-03-30 | 2018-03-30 | A kind of Generator Stator Cooling system and its hydrogen discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440678.5U CN208268782U (en) | 2018-03-30 | 2018-03-30 | A kind of Generator Stator Cooling system and its hydrogen discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268782U true CN208268782U (en) | 2018-12-21 |
Family
ID=64677503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820440678.5U Expired - Fee Related CN208268782U (en) | 2018-03-30 | 2018-03-30 | A kind of Generator Stator Cooling system and its hydrogen discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375195A (en) * | 2019-05-31 | 2019-10-25 | 浙江大唐国际绍兴江滨热电有限责任公司 | A kind of generator hydrogen method of replacing |
| CN111489839A (en) * | 2020-04-13 | 2020-08-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Generator hydrogen discharging device |
-
2018
- 2018-03-30 CN CN201820440678.5U patent/CN208268782U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375195A (en) * | 2019-05-31 | 2019-10-25 | 浙江大唐国际绍兴江滨热电有限责任公司 | A kind of generator hydrogen method of replacing |
| CN111489839A (en) * | 2020-04-13 | 2020-08-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Generator hydrogen discharging device |
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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: 20181221 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |