CN206772355U - One kind is used for generating set efficiency test water-carrying capacity and temperature measuring equipment - Google Patents
One kind is used for generating set efficiency test water-carrying capacity and temperature measuring equipment Download PDFInfo
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- CN206772355U CN206772355U CN201720271258.4U CN201720271258U CN206772355U CN 206772355 U CN206772355 U CN 206772355U CN 201720271258 U CN201720271258 U CN 201720271258U CN 206772355 U CN206772355 U CN 206772355U
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- generator
- connecting portion
- pipe
- carrying capacity
- temperature measuring
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Abstract
The utility model discloses one kind to be used for efficiency test of generator water-carrying capacity and temperature measuring equipment, including the pipeline of connection generator water inlet pipe and generator outlet pipe；Pipeline includes the first connecting portion being connected with generator water inlet pipe, the instrument test section being connected with first connecting portion and the second connecting portion being connected with generator outlet pipe；Thermometric RTD is provided between first connecting portion and instrument test section；Instrument test section includes front end straight length, flowmeter, rear end straight length, choke valve and osculum successively；The utility model adapts to different water-carrying capacity system testings, flow velocity uniformly, temperature stabilization, test it is accurate, and temperature difference adjustable extent is big, and measurement error is small；The efficiency test of steam turbine generator, nuclear energy generator and hydrogenerator is applicable to, there is good popularization and application value.
Description
Technical field
It the utility model is related to efficiency test of generator measurement apparatus, and in particular to one kind is used for generating set efficiency test
Water-carrying capacity and temperature measuring equipment.
Background technology
At the scene, it is necessary to examine the situation of generator energy conversion in power generation process in efficiency test of generator；Efficiency
Influence generator power consumption number, when motor belt motor carries, the institute of motor it is lossy it is final all becomes hot, and these heat are transmitted to cooling
Medium；As long as therefore measure temperature rise and the flow of cooling medium, you can every loss of motor is tried to achieve, so as to obtain the effect of motor
Rate；Corresponding experimental rig is now just needed to measure the flow of cooling medium and temperature rise；There is presently no for this experiment
Corresponding measurement apparatus.
Utility model content
The utility model provides one kind and is used for cooling medium consumption and temperature measuring equipment during efficiency test of generator.
The technical solution adopted in the utility model is：One kind is used for efficiency test of generator water-carrying capacity and temperature survey fills
Put, including the pipeline of connection generator water inlet pipe and generator outlet pipe；Pipeline includes first be connected with generator water inlet pipe
Connecting portion, the instrument test section being connected with first connecting portion and the second connecting portion being connected with generator outlet pipe；First connection
Thermometric RTD is provided between portion and instrument test section；Instrument test section is straight including front end straight length, flowmeter, rear end successively
Pipeline section, choke valve and steam vent.
Further, the pipeline is U-shaped or Ω types.
Further, the first connecting portion is additionally provided with transition flexible pipe.
Further, connected between first connecting portion and the instrument test section by first throttle conical pipe, instrument examination
Test between section and second connecting portion and connected by the second throttling conical pipe.
Further, it is additionally provided with least one adjustable for height pipe installation bracket and is used for supporting pipeline.
Further, it is additionally provided with extension tube between the transition flexible pipe and instrument test section.
Further, the first connecting portion connects generator water inlet pipe, wherein bend pipe both ends by first flange bend pipe
Flange size it is different.
Further, the second connecting portion connects generator outlet pipe, wherein bend pipe both ends by second flange bend pipe
Flange size it is different.
Further, thermometric RTD, flowmeter and the choke valve are arranged on pipeline by flanged (FLGD) bend pipe.
The beneficial effects of the utility model are：
(1) cooling water is converted by flange bending in the utility model, then is made by the effect of throttling conical pipe, choke valve
Its flow velocity is uniform, full of measurement pipeline；By improving its flow velocity after throttling of successively decreasing, the measurement accuracy of flow is improved；
(2) the utility model can be by the size of choke valve and throttling conical pipe regulating water flow, through instrument measurement end
After caliber successive reduces, Reynolds number within the specific limits, uniform fluid flow and is maintained at laminar condition, when regulation choke valve makes current
Amount diminishes, and its leaving water temperature becomes big, improves the measurement accuracy of the temperature difference；
(3) the utility model can be used for steam turbine generator, nuclear energy generator and hydrogenerator etc. using water as secondary cold
But the electric efficiency experiment of medium, has popularization and application value well.
Brief description of the drawings
Fig. 1 is the utility model front view.
Fig. 2 is the vertical scheme of installation of the utility model.
Fig. 3 is horizontal scheme of installation.
Fig. 4 is pipeline mounting support structure schematic diagram in the utility model.
In figure：1- generator water inlet pipes, 2- first flange bend pipes, 3- transition flexible pipes, 4- extension tubes, 5- thermometric RTDs,
6- front ends straight length, 7- flowmeters, 8- rear ends straight length, 9- choke valves, 10- pipe installation brackets, 11- steam vents, 12- second
Flange bending, 13- generator outlet pipes.
Embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-3, it is a kind of to be used for generating set efficiency test water-carrying capacity and temperature measuring equipment, including connection generates electricity
The pipeline of machine water inlet pipe 1 and generator outlet pipe 13；Pipeline includes the first connecting portion and the be connected with generator water inlet pipe 1
The instrument test section of one connecting portion connection and the second connecting portion being connected with generator outlet pipe 13；First connecting portion and instrument examination
Test between section and be provided with thermometric RTD 5；Instrument test section includes front end straight length 6, flowmeter 7, rear end straight length 8, section successively
Flow valve 9 and steam vent 11.
In use, cooling water by generator water inlet pipe 1 through first connecting portion, thermometric RTD 5, instrument test section and second
Connecting portion enters generator outlet pipe 13, and first passes through air unnecessary in the discharge line of steam vent 11；Instrument tests segment pipe
The converted front end straight length 6 that flows through of interior water converts, then via choke valve 9 act on after, its flow velocity is uniform, parallel to axial flow
Streamline；Measure the leaving water temperature T of cooling water1, cooling water enter generator before temperature be T0, its temperature difference is T1-T0。
When carrying out efficiency test of generator, loss caused by motor is taken away by cooling water, according to national standard GB/T
5321-2005, loss P can be calculated as follows：
P=Cp·ρ·Q·(T1-T0)
In formula, CpFor the specific heat of water, kJ/kg/K；
ρ be water density, kg/m3；
Q is water-carrying capacity, m3/h；
T1For leaving water temperature, DEG C；
T0For inflow temperature, DEG C.
Further, the pipeline is U-shaped or Ω types；Pipeline can also be the other shapes of adaptation concrete condition, pipeline
Size and model are not quite similar, and caliber can accordingly reduce after bend pipe flange and instrument measurement end.
Further, the first connecting portion is additionally provided with transition flexible pipe 3；Transition flexible pipe 3 is set to be suitable for different connections
Distance and height.
Further, connected between first connecting portion and the instrument test section by first throttle conical pipe, instrument examination
Test between section and second connecting portion and connected by the second throttling conical pipe；Cooling water via after the effect of first throttle conical pipe extremely
Instrument test section, then enter generator outlet pipe 13 through second connecting portion after the second throttling conical pipe amplification；It can cause
Its flow velocity is more uniform, reduces measurement error.
Further, it is additionally provided with least one adjustable for height pipe installation bracket 10 and is used for supporting pipeline；By setting
The placing height of test pipe can more easily be adjusted by putting pipe installation bracket 10, adapt to different pipelines.
Further, it is additionally provided with extension tube 4 between the transition flexible pipe 3 and instrument test section.
Further, the first connecting portion connects generator water inlet pipe 1 by first flange bend pipe 2.
Further, the second connecting portion connects generator outlet pipe 13 by second flange bend pipe 12.
Further, the thermometric RTD 5, flowmeter 7 and choke valve 9 are arranged on pipeline by flanged (FLGD) bend pipe
On.
Water via flange bending, throttling conical pipe, choke valve 9 effect after, its flow velocity is uniform, parallel to axial flow
Streamline；The utility model can effectively adjust cooling water flow, and Lifting Water still meets Reynolds number limit value, reaches full packages and place
In laminar condition；And by throttling of successively decreasing twice, flow reduces, the temperature difference between increase cooling Inlet and outlet water, reduce measurement error,
Flow and temperature measurement accuracy are improved, so as to the measuring accuracy of raising efficiency；The utility model is used for efficiency test of generator
The device of cooling medium parameter measurement, the device one end are 90 ° of flanges, and the other end is the flange with flexible pipe, is suitable for different companies
Connect distance and angle；The flow and temperature of cooling medium can be accurately measured, the accurate loss for calculating motor is empty available for measurement
The loss that the coolers such as gas, thrust bearing, guide bearing are taken away, it can be also used for steam turbine generator, nuclear energy generator and water wheels hair
The electric efficiency experiment using water as secondary cooling medium such as motor, has good popularization and application value.
Claims (9)
1. one kind is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, it is characterised in that：Enter including connection generator
The pipeline of water pipe (1) and generator outlet pipe (13)；Pipeline include be connected with generator water inlet pipe (1) first connecting portion, and
The instrument test section of first connecting portion connection and the second connecting portion being connected with generator outlet pipe (13)；First connecting portion and instrument
Thermometric RTD (5) is provided between watch test section；Instrument test section successively include front end straight length (6), flowmeter (7), after
Hold straight length (8), choke valve (9) and steam vent (11).
2. one kind according to claim 1 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：The pipeline is U-shaped or Ω types.
3. one kind according to claim 1 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：The first connecting portion is additionally provided with transition flexible pipe (3).
4. one kind according to claim 1 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：Connected between first connecting portion and the instrument test section by first throttle conical pipe, instrument test section and the second connection
Connected between portion by the second throttling conical pipe.
5. one kind according to claim 1 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：It is additionally provided with least one adjustable for height pipe installation bracket (10) and is used for supporting pipeline.
6. one kind according to claim 3 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：Extension tube (4) is additionally provided between the transition flexible pipe (3) and instrument test section.
7. one kind according to claim 1 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：The first connecting portion connects generator water inlet pipe (1) by first flange bend pipe (2).
8. one kind according to claim 1 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：The second connecting portion connects generator outlet pipe (13) by second flange bend pipe (12).
9. one kind according to claim 1 is used for efficiency test of generator water-carrying capacity and temperature measuring equipment, its feature exists
In：The thermometric RTD (5), flowmeter (7) and choke valve (9) are arranged on pipeline by flanged (FLGD) bend pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271258.4U CN206772355U (en) | 2017-03-20 | 2017-03-20 | One kind is used for generating set efficiency test water-carrying capacity and temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271258.4U CN206772355U (en) | 2017-03-20 | 2017-03-20 | One kind is used for generating set efficiency test water-carrying capacity and temperature measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772355U true CN206772355U (en) | 2017-12-19 |
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ID=60633384
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720271258.4U Active CN206772355U (en) | 2017-03-20 | 2017-03-20 | One kind is used for generating set efficiency test water-carrying capacity and temperature measuring equipment |
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| CN (1) | CN206772355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768091A (en) * | 2017-03-20 | 2017-05-31 | 西华大学 | One kind is used for generating set efficiency test water-carrying capacity and temperature measuring equipment |
-
2017
- 2017-03-20 CN CN201720271258.4U patent/CN206772355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768091A (en) * | 2017-03-20 | 2017-05-31 | 西华大学 | One kind is used for generating set efficiency test water-carrying capacity and temperature measuring equipment |
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