CN206177339U - Heat power station water circulation pipeline instrument test device - Google Patents
Heat power station water circulation pipeline instrument test device Download PDFInfo
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- CN206177339U CN206177339U CN201621200478.XU CN201621200478U CN206177339U CN 206177339 U CN206177339 U CN 206177339U CN 201621200478 U CN201621200478 U CN 201621200478U CN 206177339 U CN206177339 U CN 206177339U
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Abstract
The utility model discloses a heat power station water circulation pipeline instrument test device, including the source water tank, experimental water tank, pipe -line system and water pump, the source water tank includes liquid level switch, gas vent / admission port, the source water tank is hydrophobic mouthful, through pipe -line system with test the water tank and be connected, can realize out water and backward flow function, experimental water tank includes differential pressure sensor, the liquid level index gauge, and experimental water tank is hydrophobic mouthful, is connected with the source water tank through pipe -line system, can realize intaking and the drainage function, pipe -line system connects source water tank and experimental water tank, including pipeline, pneumatic three -way control valve, and pneumatic control valve, electrical control valve, manual valve, differential pressure sensor etc. Can realize the different hydrologic cycle circuit switching between source water tank and the experiment water tank. The utility model discloses a measuring of heat power station water circulation pipeline instrument provides a testing device, and it is in independent system, and under the circumstances of safety, the instrument function who uses heat power station water circulation pipeline always is verified in the test, can regard as staff's training equipment simultaneously, and the pipeline that instructs the staff to be familiar with power station water circulating system switches over operation and instrument function use.
Description
Technical field
The invention belongs to pipeline field of instrumentation technology, more particularly to a kind of thermo-power station water circulation pipe instrument experimental rig.
Background technology
Liquid-level switch, differential pressure pick-up, liquid level indicator instrument, motorized adjustment are commonly used in thermo-power station water circulation pipe system
The instrument and meter such as valve and pneumatic control valve, if this kind of instrument and meter carries out field test and operation and can influence the life of steam power plant
Produce and safety.The function of this kind of instrument and meter is verified to test, while instructing thermo-power station employee to be familiar with the pipe of water circulation system
Road handover operation and Common Instrument principle, function and mode of operation, the present invention provide a kind of independent, safety experimental rig.
The content of the invention
In order to solve the problems of the prior art, the present invention provides a kind of thermo-power station water circulation pipe instrument experimental rig,
In autonomous system, safety, it is visual in the case of, the instrument function of the conventional thermo-power station water circulation pipe of test checking.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of thermo-power station water circulation pipe instrument experimental rig, including source water tank 1 and test water tank 2, the source water tank 1
Top connects source water tank water intake pipeline and return line, bottom connection source tank drains pipeline, the connection of the top of the test water tank 2
Test water tank inlet pipeline, bottom joint test tank drains pipeline；It is manual that the source tank drains pipeline passes sequentially through the 3rd
It is divided into two branch roads after valve 8 and non-return valve 19, wherein a branch road connection electric control valve 5, another towards the 5th hand-operated valve 10
Article branch road reaches the water inlet of water pump 32 by the 4th hand-operated valve 9, then by the delivery port of water pump 32 by pressure gauge 33, by orifice plate stream
It is divided into two-way after gauge 31, wherein connecting source water tank return duct after passing sequentially through the 6th hand-operated valve 11 and the second hand-operated valve 7 all the way
Lu Yuyuan water tanks 1 form loop, and another road connects the 7th hand-operated valve 12；
The test water tank discharge pipe line successively through the 11st hand-operated valve 16 and pneumatic control valve 4, with the 5th hand-operated valve 10
The branch road at place passes through the 9th hand-operated valve 14 after converging, and then converges with the place branch road of the 7th hand-operated valve 12, then access pneumatic three
Logical regulating valve 3, subsequent pneumatic three-way control valve 3 draws two branch roads, wherein a branch road connects source water tank by first manual valve 6
Inlet pipeline forms loop with source water tank 1, and another article of branch road connects test water tank inlet pipeline with experiment by the tenth hand-operated valve 15
Water tank 2 forms loop；
The top of the source water tank 1 is also equipped with exhaust outlet/admission port 30.
Further, the top of the test water tank 2 is also equipped with atmospheric valve 21.The bottom of the source water tank 1 is also equipped with
Source water tank drain valve 18, the bottom of the test water tank 2 is also equipped with test water tank drain valve 20.
Further, the orifice flowmeter 31 includes orifice plate and the first differential pressure pick-up 26, and fluid is through the water outlet of water pump 32
Mouth outflow, then by orifice plate；Differential pressure and orifice that first differential pressure pick-up 26 passes through orifice plate both sides, draw the water outlet of water pump 32
Mouth fluid flow and flow velocity.
Further, safety valve 17 has been installed in parallel it on second hand-operated valve 7.The place branch road of 9th hand-operated valve 14
After converging with the place branch road of the 7th hand-operated valve 12, pneumatic three-way control valve 3 is accessed by the 8th hand-operated valve 13 again.
Further, the first liquid-level switch 22, the second liquid level are sequentially arranged with the side wall of the source water tank 1 from top to bottom to open
The 23, the 3rd liquid-level switch 24 and the 4th liquid-level switch 25 are closed, full liquid level, high level, low liquid level and water shortage are corresponded to respectively.
Further, the top of the test water tank 2 is also equipped with float level meter 29, on the side wall of the test water tank 2
It is respectively provided with the second differential pressure pick-up 27 and magnetic double level gauge 28.
Compared with prior art, the present invention has advantages below：
The experimental rig that the present invention is provided, in autonomous system, under secure conditions, the conventional thermo-power station water of test checking
The instrument function of circulation line, at the same time as the training equipment of employee, instructs employee to be familiar with the pipeline of power station water circulation system
Handover operation and instrument function are used.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Wherein：1- sources water tank, 2- test water tanks, 3- pneumatic three-way control valves, 4- pneumatic control valves, 5- electric control valves,
6- first manual valves, the hand-operated valves of 7- second, the hand-operated valves of 8- the 3rd, the hand-operated valves of 9- the 4th, the hand-operated valves of 10- the 5th, 11- the 6th is manual
Valve, the hand-operated valves of 12- the 7th, the hand-operated valves of 13- the 8th, the hand-operated valves of 14- the 9th, the hand-operated valves of 15- the tenth, the hand-operated valves of 16- the 11st,
17- safety valves, 18- sources water tank drain valve, 19- non-return valves, 20- test water tank drain valves, 21- atmospheric valves, the liquid levels of 22- first are opened
Close, the liquid-level switches of 23- second, the liquid-level switches of 24- the 3rd, the liquid-level switches of 25- the 4th, the differential pressure pick-ups of 26- first, 27- second
Differential pressure pick-up, 28- magnetic double level gauges, 29- float level meters, 30- exhaust outlets/admission port, 31- orifice flowmeters, 32- water
Pump, 33- pressure gauges.
Specific embodiment
The present invention is further described with reference to embodiment.
As shown in figure 1, a kind of thermo-power station water circulation pipe instrument experimental rig, including source water tank 1 and test water tank 2, institute
State top connection source water tank water intake pipeline and the return line of source water tank 1, bottom connection source tank drains pipeline, the experiment water
The top joint test water tank water intake pipeline of case 2, bottom joint test tank drains pipeline；The source tank drains pipeline leads to successively
It is divided into two articles of branch roads after crossing the 3rd hand-operated valve 8 and non-return valve 19, wherein a branch road connection electric control valve 5, towards the 5th hand
Dynamic valve 10, another article of branch road reaches the water inlet of water pump 32 by the 4th hand-operated valve 9, then by the delivery port of water pump 32 by pressure gauge
33, by being divided into two-way after orifice flowmeter 31, wherein being connected after passing sequentially through the 6th hand-operated valve 11 and the second hand-operated valve 7 all the way
Source water tank return line forms loop with source water tank 1, and another road connects the 7th hand-operated valve 12；
The test water tank discharge pipe line successively through the 11st hand-operated valve 16 and pneumatic control valve 4, with the 5th hand-operated valve 10
The branch road at place passes through the 9th hand-operated valve 14 after converging, and then converges with the place branch road of the 7th hand-operated valve 12, then access pneumatic three
Logical regulating valve 3, subsequent pneumatic three-way control valve 3 draws two branch roads, wherein a branch road connects source water tank by first manual valve 6
Inlet pipeline forms loop with source water tank 1, and another article of branch road connects test water tank inlet pipeline with experiment by the tenth hand-operated valve 15
Water tank 2 forms loop；
The top of the source water tank 1 is also equipped with exhaust outlet/admission port 30.
The top of the test water tank 2 is also equipped with atmospheric valve 21.It is hydrophobic that the bottom of the source water tank 1 is also equipped with source water tank
Valve 18, the bottom of the test water tank 2 is also equipped with test water tank drain valve 20.
The orifice flowmeter 31 includes orifice plate and the first differential pressure pick-up 26, and fluid flows out through the delivery port of water pump 32, then
By orifice plate；Differential pressure and orifice that first differential pressure pick-up 26 passes through orifice plate both sides, draw the delivery port fluid stream of water pump 32
Amount and flow velocity.
Safety valve 17 has been installed in parallel on second hand-operated valve 7.The place branch road of 9th hand-operated valve 14 and the same 7th
After the place branch road of hand-operated valve 12 converges, pneumatic three-way control valve 3 is accessed by the 8th hand-operated valve 13 again.
The present invention is used for signal piping instrument the first liquid-level switch 22, the second liquid-level switch 23, the and of the 3rd liquid-level switch 24
4th liquid-level switch 25, and two differential pressure pick-ups 27, magnetic double level gauge 28 and float level meter 29.
The first liquid-level switch 22, the second liquid-level switch the 23, the 3rd are sequentially arranged with the side wall of the source water tank 1 from top to bottom
The liquid-level switch 25 of liquid-level switch 24 and the 4th, corresponds to full liquid level, high level, low liquid level and water shortage respectively.
The top of the test water tank 2 is also equipped with float level meter 29, and the is respectively provided with the side wall of the test water tank 2
Two differential pressure pick-ups 27 and magnetic double level gauge 28.
The side wall of the source water tank 1 has four liquid-level switches to correspond to full liquid level, high level, low liquid level, water shortage respectively；Top
Equipped with exhaust outlet/admission port 30, bottom is equipped with source water tank drain valve 18；The connection of the top of source water tank 1 source water tank water intake and return duct
Road, bottom connection source tank drains pipeline.
The side wall of test water tank 2 has the second differential pressure pickup 27, magnetic double level gauge 28；Top is equipped with float level meter 29
With atmospheric valve 21；Bottom is equipped with test water tank drain valve 20；The top joint test water tank water intake pipeline of test water tank 2, bottom connects
Connect test water tank discharge pipe line.
Source tank drains pipeline after the 3rd hand-operated valve 8 and non-return valve 19 by being divided into two articles of branch roads, wherein a branch road connects
Electric control valve 5 is connect, towards the 5th hand-operated valve 10, another article of branch road reaches the water inlet of water pump 32, warp by the 4th hand-operated valve 9
Through excess pressure table after the pressurization of water pump 32, two-way is then further divided into by orifice flowmeter 31, wherein passing sequentially through the 6th hand all the way
Source water tank return line is connected after the dynamic hand-operated valve 7 of valve 11 and second and forms loop with source water tank 1, on second hand-operated valve 7 simultaneously
Connection is provided with safety valve 17, and another road connects the 7th hand-operated valve 12；
Test water tank discharge pipe line successively through the 11st hand-operated valve 16 and pneumatic control valve 4 after, with the institute of the 5th hand-operated valve 10
Branch road converge after by the 9th hand-operated valve 14, then converge with the place branch road of the 7th hand-operated valve 12, the 9th hand-operated valve
After 14 place branch roads converge with the same place branch road of 7th hand-operated valve 12, Pneumatic three-way is then accessed by the 8th hand-operated valve 13 and is adjusted
Valve 3, subsequent pneumatic three-way control valve 3 draws two branch roads, wherein a branch road connects source tank inlet pipe by first manual valve 6
Lu Yuyuan water tanks 1 form loop, and another article of branch road connects test water tank inlet pipeline and the shape of test water tank 2 by the tenth hand-operated valve 15
Into loop.
Wherein：First manual valve 6, the second hand-operated valve 7, the 3rd hand-operated valve 8, the 4th hand-operated valve 9, the 5th hand-operated valve 10,
Six hand-operated valves 11, the 7th hand-operated valve 12, the 8th hand-operated valve 13, the 9th hand-operated valve 14, the tenth hand-operated valve 15, the 11st hand-operated valve 16
It is hand-operated valve.
Embodiment 1
When electric control valve 5 is closed, hand-operated valve 7,14,16 close, hand-operated valve 6,8,9,11,12,13,15 open when,
The fluid of source water tank 1 passes sequentially through hand-operated valve 8, non-return valve 19, and hand-operated valve 9 reaches water pump, after being pressurizeed through water pump, by orifice plate stream
Gauge, then manually valve 123, reach the import of pneumatic three-way control valve 3.Fluid by being divided into two-way after Pneumatic three-way valve 3,
Hand-operated valve 6V-04 into source water tank 1 is led up to, hand-operated valve 15 is led up in addition and is entered test water tank 2.Can be by gas
The operation of dynamic three-way control valve 3, realizes the control of source water tank and test water tank inlet pipeline flow, while testing checking source water tank
Liquid-level switch 22,23,24,25, the second differential pressure pick-up 27 of test water tank, magnetic double level gauge 28 and float level meter 29.
When Fluid pressure before pneumatic three-way control valve 3 is overloaded, safety valve 17 is acted on, can be straight by the fluid of orifice flowmeter 31
Connect manually valve 11 and safety valve 17 is back to source water tank 1.
Embodiment 2
When hand-operated valve 7,8 is closed, and hand-operated valve 6,9,11,12,13,14,15,16 is opened, the fluid of test water tank 2 is successively
Manually valve 16, pneumatic control valve 4, hand-operated valve 10, electric control valve 5, hand-operated valve 9 reach water pump, after being pressurizeed through water pump, lead to
Orifice flowmeter is crossed, then manually valve 12, reach the import of pneumatic three-way control valve 3.Fluid is by after Pneumatic three-way valve 3 points
It is two-way, leads up to hand-operated valve 6 and enter source water tank, hand-operated valve 15 is led up in addition and enters test water tank.Can be by right
The operation of pneumatic three-way control valve 3, realizes the control of source water tank and test water tank inlet pipeline flow；By to pneumatic control valve
4 operation, realizes the control of test water tank drain discharge；By the operation to electric control valve 5, water feeding of water pump flow is realized
Control.Checking source high water tank is tested simultaneously switchs 22,23,24,25, the second differential pressure pick-up 27 of test water tank, magnetic turnover panel
Liquid level gauge 28 and float level meter 29.When Fluid pressure before pneumatic three-way control valve 3 is overloaded, safety valve 17 is acted on, and is led to
Cross orifice flowmeter fluid can directly manually valve 11 and safety valve 17 be back to source water tank 1.
To sum up, the present invention is a kind of for the detection of thermo-power station water circulation pipe instrument is provided detects experimental rig, and it is only
In erection system, under secure conditions, the instrument function of the conventional thermo-power station water circulation pipe of test checking, at the same time as employee
Training equipment, the pipeline handover operation and instrument function for instructing employee to be familiar with power station water circulation system use.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of thermo-power station water circulation pipe instrument experimental rig, it is characterised in that：Including source water tank（1）And test water tank（2）,
The source water tank（1）Top connection source water tank water intake pipeline and return line, bottom connection source tank drains pipeline, the examination
Test water tank（2）Top joint test water tank water intake pipeline, bottom joint test tank drains pipeline；The source tank drains pipeline
Pass sequentially through the 3rd hand-operated valve（8）And non-return valve（19）After be divided into two branch roads, wherein branch road connection electric control valve
（5）, towards the 5th hand-operated valve（10）, another article of branch road is by the 4th hand-operated valve（9）Reach water pump（32）Water inlet, then by water pump
（32）Delivery port is by pressure gauge（33）, by orifice flowmeter（31）After be divided into two-way, wherein passing sequentially through the 6th hand all the way
Dynamic valve（11）With the second hand-operated valve（7）Source water tank return line and source water tank are connected afterwards（1）Form loop, another road connection the 7th
Hand-operated valve（12）；
The test water tank discharge pipe line is successively through the 11st hand-operated valve（16）And pneumatic control valve（4）, with the 5th hand-operated valve
（10）The branch road at place passes through the 9th hand-operated valve after converging（14）, then with the 7th hand-operated valve（12）Place branch road converges, then connects
Enter pneumatic three-way control valve（3）, subsequent pneumatic three-way control valve（3）Two branch roads are drawn, wherein a branch road is by first-hand
Dynamic valve（6）Connect source water tank water intake pipeline and source water tank（1）Loop is formed, another article of branch road passes through the tenth hand-operated valve（15）Connect experiment
Water tank water intake pipeline and test water tank（2）Form loop；
The source water tank（1）Top be also equipped with exhaust outlet/admission port（30）.
2. thermo-power station water circulation pipe instrument experimental rig according to claim 1, it is characterised in that：The test water tank
（2）Top is also equipped with atmospheric valve（21）.
3. thermo-power station water circulation pipe instrument experimental rig according to claim 1, it is characterised in that：The source water tank
（1）Bottom be also equipped with source water tank drain valve（18）, the test water tank（2）Bottom is also equipped with test water tank drain valve
（20）.
4. thermo-power station water circulation pipe instrument experimental rig according to claim 1, it is characterised in that：The orifice flow
Meter（31）Including orifice plate and the first differential pressure pick-up（26）, fluid is through water pump（32）Delivery port flows out, then by orifice plate.
5. thermo-power station water circulation pipe instrument experimental rig according to claim 1, it is characterised in that：Described second is manual
Valve（7）On be installed in parallel safety valve（17）.
6. thermo-power station water circulation pipe instrument experimental rig according to claim 1, it is characterised in that：Described 9th is manual
Valve（14）Place branch road and same 7th hand-operated valve（12）After place branch road converges, by the 8th hand-operated valve（13）Pneumatic three are accessed again
Logical regulating valve（3）.
7. thermo-power station water circulation pipe instrument experimental rig according to claim 1, it is characterised in that：The source water tank
（1）Side wall on be sequentially arranged with the first liquid-level switch from top to bottom（22）, the second liquid-level switch（23）, the 3rd liquid-level switch（24）
With the 4th liquid-level switch（25）, full liquid level, high level, low liquid level and water shortage are corresponded to respectively.
8. thermo-power station water circulation pipe instrument experimental rig according to claim 1, it is characterised in that：The test water tank
（2）Top is also equipped with float level meter（29）, the test water tank（2）Side wall on be respectively provided with the second differential pressure pick-up
（27）And magnetic double level gauge（28）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200478.XU CN206177339U (en) | 2016-11-08 | 2016-11-08 | Heat power station water circulation pipeline instrument test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200478.XU CN206177339U (en) | 2016-11-08 | 2016-11-08 | Heat power station water circulation pipeline instrument test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177339U true CN206177339U (en) | 2017-05-17 |
Family
ID=58682243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621200478.XU Active CN206177339U (en) | 2016-11-08 | 2016-11-08 | Heat power station water circulation pipeline instrument test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404036A (en) * | 2016-11-08 | 2017-02-15 | 浙江大学昆山创新中心 | Thermal power station water circulation pipeline instrument test device |
-
2016
- 2016-11-08 CN CN201621200478.XU patent/CN206177339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404036A (en) * | 2016-11-08 | 2017-02-15 | 浙江大学昆山创新中心 | Thermal power station water circulation pipeline instrument test device |
| CN106404036B (en) * | 2016-11-08 | 2019-05-10 | 浙江大学昆山创新中心 | A kind of thermo-power station water circulation pipe instrument experimental rig |
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