CN107219126A - Hydraulic test of pressure vessel device and method - Google Patents
Hydraulic test of pressure vessel device and method Download PDFInfo
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- CN107219126A CN107219126A CN201710408891.8A CN201710408891A CN107219126A CN 107219126 A CN107219126 A CN 107219126A CN 201710408891 A CN201710408891 A CN 201710408891A CN 107219126 A CN107219126 A CN 107219126A
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- 238000012360 testing method Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 251
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
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- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 3
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- 230000008569 process Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/0202—Control of the test
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present embodiments relate to hydraulic test of pressure vessel technical field, a kind of hydraulic test of pressure vessel device and method are disclosed.In the present invention, hydraulic test of pressure vessel device, including：Hot-water cylinder, the first circulation pipeline being connected between hot-water cylinder and pressure vessel and second circulation pipeline；Electric heater and moisturizing pipeline are provided with hot-water cylinder, hot-water cylinder passes through moisturizing pipeline water-filling, and the water charged pressure container in hot-water cylinder by electric heater to circulating water heating to preset temperature, is carried out by the water pressure test by first circulation pipeline and the circulation of second circulation pipeline；After the water pressure test terminates, draining is carried out to pressure vessel.By designing first circulation pipeline and second circulation pipeline between hot-water cylinder and pressure vessel, and recirculated water is carried out by the electric heater on hot-water cylinder to be heated to preset temperature, requirement of the hydraulic test of pressure vessel to test temperature can be met in any weather and geographical position, product competitiveness is improved.
Description
Technical field
The present embodiments relate to hydraulic test of pressure vessel technical field, more particularly to a kind of hydraulic test of pressure vessel
Device and method.
Background technology
Pressure vessel has pressure test this process, in the prior art, most of pressure in manufacturing process, typically
The pressure test of force container is carried out by medium of water.In order to avoid pressure vessel during pressure test because temperature is too low
And build-up of pressure container material brittle failure, generally require test temperature (the pressure vessel wall metal temperature) ratio of control pressure container
Pressure vessel wall metal is high at least 30 DEG C without moulding transition temperature.Due to metal material without moulding transition temperature and material,
The many factors such as thickness, welding procedure, wlding matching are related, and the test temperature under different situations can not be provided in standard.
In standard GB150-2011, the requirement of test temperature is：Q345R, Q370R, 07MNMoVR container carry out liquid
During pressure experiment, fluid temperature must not be less than 5 DEG C；When carbon steel and low alloy steel container carries out hydraulic test, fluid temperature must not
Less than 15 DEG C；The fluid temperature of low-temperature (low temperature) vessel hydraulic test should be not less than the impact test temperature of case material and welding point
(taking its high person) plus 20 DEG C, if because the factors such as thickness of slab cause material to be raised without moulding transition temperature, needing corresponding improve to try
Test temperature.Design of pressure vessels engineer generally can also propose higher requirement to test temperature according to the engineering experience of enterprise,
It is 20~40 DEG C such as to require test temperature.
The inventors found that：When pressure test is in cold winter or when being carried out in the northern area of China, due to
Temperature is relatively low, it is generally difficult to meet the temperature requirement of pressure test, therefore can only be by proposing technology alteration list to client, it is desirable to
Reduction original designs the test temperature of pressure test to solve this problem.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of hydraulic test of pressure vessel device and method, enabling
Requirement of the hydraulic test of pressure vessel to test temperature can be met in any weather and geographical position, product competitiveness is improved.
In order to solve the above technical problems, embodiments of the present invention provide a kind of hydraulic test of pressure vessel device, bag
Include：Hot-water cylinder, the first circulation pipeline being connected between the hot-water cylinder and the pressure vessel and second circulation pipeline；It is described
Electric heater and moisturizing pipeline are provided with hot-water cylinder, the hot-water cylinder passes through described by the moisturizing pipeline water-filling
Water in the hot-water cylinder is filled with the pressure vessel by one pipeloop and second circulation pipeline circulation, passes through the electricity
Heater carries out the water pressure test to circulating water heating to preset temperature；After the water pressure test terminates, the pressure vessel is arranged
Water.
Embodiments of the present invention additionally provide a kind of hydraulic test of pressure vessel method, comprise the following steps：
Hot-water cylinder is circulated the hot water by moisturizing pipeline water-filling, and by first circulation pipeline and second circulation pipeline
Water in tank is filled with the pressure vessel；
The hot-water cylinder, to circulating water heating to preset temperature, carries out the water pressure test by electric heater；
After the water pressure test terminates, draining is carried out to the pressure vessel.
Embodiment of the present invention in terms of existing technologies, is followed by designing first between hot-water cylinder and pressure vessel
Endless tube line and second circulation pipeline, and preset temperature is heated to recirculated water progress by the electric heater on hot-water cylinder, then
The water pressure test is carried out to pressure vessel, the control of circulating water temperature in the water pressure test caused by the electric heater on hot-water cylinder
Requirement of the hydraulic test of pressure vessel to test temperature can be met in any weather and geographical position, product competition is improved
Power.
In addition, the first circulation pipeline include be arranged on the hot water pot bottom the first discharge outlet, first electronic section
Only valve, water pump, check-valves, filter, electric control valve, flow sensor, the second electric check valve and it is arranged on the pressure
Second discharge outlet of force container bottom, the pressure vessel is filled with by the first circulation pipeline by the water in the hot-water cylinder
In and carry out the water pressure test when adjust water flow and pressure.
In addition, the first circulation pipeline also includes first be arranged between the filter and the electric control valve
Hand stop valve, the second hand stop valve being arranged between the electric control valve and the flow sensor and with institute
First manual stop valve, the electric control valve and second hand stop valve the 3rd hand stop valve in parallel are stated, it is described
First and second hand stop valves are used to open in the electric control valve normal work, event occur in the electric control valve
Closed during barrier, the 3rd hand stop valve is closed in the electric control valve normal work, is gone out in the electric control valve
Existing fail-open, to ensure that the first circulation pipeline is remained able to when the electric control valve breaks down to the pressure
The normal water-filling of force container.
In addition, the second circulation pipeline includes being arranged on first row gas port, the pressure sensing at the top of the pressure vessel
Device, temperature sensor, the 3rd electric check valve, the 4th hand stop valve and water return outlet, the pressure is filled with through the hot-water cylinder
Water in container can be circulated back to the hot-water cylinder by the second circulation pipeline；The moisturizing pipeline include water supplement port and
4th electric check valve, the moisturizing pipeline is connected with outer water tube, can be filled by the moisturizing pipeline to the hot-water cylinder
Water.
In addition, the second circulation pipeline also includes U-tube, the peak of the U-tube is higher than the pressure vessel
Peak.
In addition, the hot-water cylinder also includes being arranged on the high water level sensor of side, low water level sensor and is arranged on
The second exhaust port at top.
In addition, the hydraulic test of pressure vessel device also include programmable logic controller (PLC) and with the FPGA
The man-machine interface of controller connection, the programmable logic controller (PLC) and the water pump, the electric heater, the motorized adjustment
Valve, first electric check valve, second electric check valve, the 3rd electric check valve, the 4th electronic cut-off
Valve, the high water level sensor, the low water level sensor, the temperature sensor, the pressure sensor, the flow are passed
Sensor is connected, for signal collecting and controlling；The man-machine interface is used for parameter input, presentation of information and printing.
In addition, the hot-water cylinder by electric heater to circulating water heating to preset temperature, the step of carrying out the water pressure test
Including：Heating is automatically stopped when the electric heater is to circulating water heating to preset temperature, the second circulation pipeline is closed；It is logical
Cross the first circulation pipeline to pressurize to the pressure vessel water-filling, until the pressure being arranged on the second circulation pipeline is passed
The pressure value of sensor collection closes the first circulation pipeline when being equal to default hydraulic pressure pressure；Pressurize preset time；It is micro- to open institute
The 3rd electric check valve on second circulation pipeline is stated, pressure value is closed the second circulation pipeline when being down to design pressure,
And check the pressure vessel.
In addition, described include the step of pressurizeed by the first circulation pipeline to the pressure vessel water-filling：Adjustment is set
Put the electric control valve on the first circulation pipeline, it is ensured that the rate of pressure rise of the pressure vessel is less than scheduled rate.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The element with same reference numbers label is expressed as similar element in the bright restriction not constituted to embodiment, accompanying drawing, removes
Composition is not limited the non-figure having in special statement, accompanying drawing.
Fig. 1 is the structural representation of the hydraulic test of pressure vessel device in first embodiment of the invention；
Fig. 2 is a kind of schematic flow sheet of the hydraulic test of pressure vessel method in second embodiment of the invention；
Fig. 3 is another schematic flow sheet of the hydraulic test of pressure vessel method in second embodiment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the invention
In formula, in order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs
With many variations based on following embodiment and modification, the application technical scheme claimed can also be realized.
The first embodiment of the present invention is related to a kind of hydraulic test of pressure vessel device 100, as shown in figure 1, including：Heat
Water pot 1, the first circulation pipeline 10 and second circulation pipeline 20 being connected between the hot-water cylinder 1 and the pressure vessel 2；Institute
State and electric heater 11 and moisturizing pipeline 30 be provided with hot-water cylinder 1, the hot-water cylinder 1 by the water-filling of moisturizing pipeline 30, and
Circulated by the first circulation pipeline 10 and the second circulation pipeline 20 and the water in the hot-water cylinder 1 is filled with the pressure
Container 2, by the electric heater 11 to circulating water heating to preset temperature, carries out the water pressure test；It is right after the water pressure test terminates
The pressure vessel 2 carries out draining.
Embodiment of the present invention in terms of existing technologies, by designing first between hot-water cylinder 1 and pressure vessel 2
Pipeloop 10 and second circulation pipeline 20, and recirculated water progress is heated to presetting by the electric heater 11 on hot-water cylinder 1
Temperature, then carries out the water pressure test, by the electric heater on hot-water cylinder to circulating water temperature in the water pressure test to pressure vessel 2
Control allow to that in any weather and geographical position requirement of the hydraulic test of pressure vessel to test temperature can be met, carry
High product competitiveness.
In present embodiment, hot-water cylinder 1 by first circulation pipeline 10 by the water charged pressure container 2 in hot-water cylinder 1, and
The water in pressure vessel 2 is back in hot-water cylinder 1 by second circulation pipeline 20, the water in hot-water cylinder 1 is filled in so circulation
Enter pressure vessel 2.The first circulation pipeline 10 includes first the 101, first electricity of discharge outlet for being arranged on the bottom of hot-water cylinder 1
Dynamic stop valve 102, water pump 103, check-valves 104, filter 105, electric control valve 106, flow sensor 107, second are electronic
Stop valve 108 and the second discharge outlet 109 for being arranged on the bottom of pressure vessel 2, will by the first circulation pipeline 10
Water in the hot-water cylinder 1 is filled with the pressure vessel 2 and the flow and pressure of water is adjusted when carrying out the water pressure test.Specifically
Ground, the first electric check valve 102, the second electric check valve 108 are opened, and the water in the hot-water cylinder 1 can pass through the first draining
Mouth 101 is flowed out, and water pump 103 is injected by first electric check valve 102, and water pump 103 can be pressurizeed and be conveyed to water,
Then water flows through check-valves 104, and check-valves 104 ensure that water flows to the side of pressure vessel 2 from the side of hot-water cylinder 1, prevent water
Flow backwards, water then flow through filter 105, the filter 105 is Y-filter, can prevent impurity with the impurity in filter water
Deposition after being flowed to dampening in pressure vessel 2, water then flow through electric control valve 106, and the electric control valve 106 can be with
The flow and pressure of water are adjusted, flow sensor 107 is water then flow through, the flow sensor 107 can detect
The flow of water in one pipeloop 10, then water sequentially pass through the second electric check valve 108, the second discharge outlet 109 enter pressure
In force container 2.Wherein, the water in the hot-water cylinder 1 can be controlled by the opening and closing of first electric control valve 102
Whether discharge.
In present embodiment, first row is additionally provided between the first row gas port 201 at the top of pressure vessel 2 and the external world
Air valve 207, for controlling first row gas port 201 to be vented, ensure that to during 2 water-filling of pressure vessel by the sky in pressure vessel 2
Gas is drained.
In present embodiment, the first circulation pipeline 10 also includes being arranged on the filter 105 and the electric adjustable
Save the first manual stop valve 110 between valve 106, be arranged between the electric control valve 106 and the flow sensor 107
The second hand stop valve 111 and with the first manual stop valve 110, the electric control valve 106 and described second
The 3rd hand stop valve 112 in parallel of hand stop valve 111.When the electric control valve 106 is working properly, the first manual
The hand stop valve 111 of stop valve 110 and second is maintained a normally open, and the 3rd hand stop valve 112 keeps normally closed.And in the electric adjustable
Section valve 106 breaks down when can not work, and closes the hand stop valve 111 of first manual stop valve 110 and second, opens simultaneously
The 3rd hand stop valve 112 is opened, can so ensure that the first circulation pipeline 10 occurs in the electric control valve 106
Remained able to during failure to the normal water-filling of the pressure vessel 2, now can also be to the electric control valve 106 of failure
Place under repair or change.
In present embodiment, the second circulation pipeline 20 includes being arranged on the first exhaust at the top of pressure vessel 2
Mouth 201, pressure sensor 202, temperature sensor 203, the 3rd electric check valve 204, the 4th hand stop valve 205 and water return outlet
208.Second circulation pipeline 20 coordinates first circulation pipeline 10 to use, and realizes that exhaust, water-filling and the circulation of pressure vessel 2 add
Heat.Wherein, pressure sensor 202 and temperature sensor 203 are arranged between the electric check valve 204 of pressure vessel 2 and the 3rd, are made
When must close three electric check valves 204 pressure sensor 202 and temperature sensor 203 can still distinguish collecting temperature signal and
Pressure signal.The water being filled with through the hot-water cylinder 1 in the pressure vessel 2 can be recycled back to by the second circulation pipeline 20
To the hot-water cylinder 1.Specifically, in the water-filling into the pressure vessel 2, the second circulation pipeline 20 and first circulation pipe
One closed loop of line 10 and the formation of pressure vessel 2 and hot-water cylinder 1, electric heater 11 is arranged on hot-water cylinder 1, to heat
Water in water pot 1 is heated, and the second circulation pipeline 20 and the formation of first circulation pipeline 10 closed loop so that
Electric heater 11 can carry out circulating-heating to whole recirculated water, while the exhaust of pressure vessel 2, water-filling are realized, so as to
Meet the control requirement for carrying out hydraulic test of pressure vessel to test temperature.
Specifically, in the water-filling into pressure vessel 2, the water in pressure vessel 2 sequentially passes through first row gas port 201, institute
State pressure sensor 202, temperature sensor 203, the 3rd electric check valve 204 and the 4th hand stop valve 205 and water return outlet
208 injection hot-water cylinders 1.Wherein, in water filling process, the collection hydraulic signal of pressure sensor 202 is simultaneously shown, described
Temperature sensor 203 gathers water temperature signal.When temperature sensor 203 gather temperature signal higher than hydraulic pressure temperature upper limit or under
During+5 DEG C of limit value, electric heater 11 is automatically stopped heating, and the 3rd electric check valve 204 closed on pipeloop 2.Described
Four hand stop valves 205 can manual-lock second circulation pipeline 20 when necessary.
In present embodiment, the second circulation pipeline 20 also includes U-tube 206, and the peak of the U-tube 206 is high
Water before water is full of in the peak of the pressure vessel 2, it is ensured that in water filling process, in pressure vessel 2 will not be back to hot water
In tank 1.
The moisturizing pipeline 30 includes the electric check valve 302 of water supplement port 301 and the 4th, the moisturizing pipeline 30 and external water
Pipe is connected, can be to the hot-water cylinder water-filling by the moisturizing pipeline.Specifically, hydraulic pressure is being proceeded by, is opening the 4th electricity
The dynamic water-filling into hot-water cylinder 1 of stop valve 302, and the water in hot-water cylinder 1 is automatic when being charged to enough closes the 4th electronic cut-off
Valve 302, stops the water-filling into hot-water cylinder 1.Second row is additionally provided between the second exhaust port 14 at the top of hot-water cylinder 1 and the external world
Air valve 15.Second row air valve 15 is used to control the second exhaust port 14 to be vented.
The hot-water cylinder 1 also includes being arranged on the high water level sensor 12 of side, low water level sensor 13 and is arranged on
The second exhaust port 14 at top.Opened up respectively at the high water level sensor 12 and the position of the low water level sensor 13
There are high water level mouthful 16 and low water level mouthful 17, for marking the water level in hot-water cylinder 1.It is described in the water-filling into the hot-water cylinder 1
Gas in hot-water cylinder 1 is discharged by second exhaust port 14.High water level sensor 12, low water level sensor 13 sense the hot water
Water level in tank 1, when low water level sensor 13 senses water level higher than low water level mouthfuls 17, automatically turns on the on moisturizing pipeline
Four electric check valves 302, and close the first electric check valve 102 and water pump 103 of the bottom of hot-water cylinder 1.Work as high water level sensor
12 when sensing water level higher than high water level mouthfuls 16, and automatic the 4th electric check valve 302 closed on moisturizing pipeline stops to hot water
Water-filling in tank 1.
In present embodiment, circulated by the first circulation pipeline 10 and the second circulation pipeline 20 by the heat
Water in water pot 1 is filled with during the pressure vessel 2, when the temperature signal that temperature sensor 203 is gathered is higher than preset temperature
When, electric heater 11 is automatically stopped heating, and the 3rd electric check valve 204 closed on pipeloop 2, that is, closes second circulation
Pipeline 20.The pressure sensor 202 on flow sensor 107 and second circulation pipeline 20 on first circulation pipeline 10 is adopted respectively
The flow and pressure signal of collection, while adjusting the electric control valve 106 on first circulation pipeline 10, it is ensured that the liter of pressure vessel 2
Speed is pressed to be less than setting value；When the pressure value that the pressure sensor 202 on second circulation pipeline 20 is gathered is equal to hydraulic pressure pressure,
Stop the second electric check valve 108 of water pump 103 and the bottom of closing presure container 2, that is, close first circulation pipeline 10, stop to
The water-filling of pressure vessel 2, now the hydraulic pressure in pressure vessel 2 reach the hydraulic pressure needed for the water pressure test.Wherein, preset temperature can root
According to need set, it is preferable that preset temperature is set to+5 DEG C of hydraulic pressure temperature upper limit or lower limit.
In present embodiment, after the pressurize preset time of pressure vessel 2, the part water in pressure vessel 2 is followed by second
Endless tube line 20 is back to hot-water cylinder 1, realizes that the pressure value of pressure vessel 2 is reduced to design pressure, specifically, micro- to open second circulation
The 3rd electric check valve 204 on pipeline 20, the water in pressure vessel 2 is back to hot-water cylinder 1 to reduce in pressure vessel 2
Pressure value is to design pressure.After the hydraulic pressure pressure value in pressure vessel 2 is down to design pressure, the 3rd electric check valve is closed
204, reviewer starts to check pressure vessel 2, so far completes the water pressure test of pressure vessel 2.
In present embodiment, the 5th electric check valve is additionally provided between first electric check valve 102 and the external world
113, for controlling the draining of the first discharge outlet 101.The 6th electricity is additionally provided between the second electric check valve 108 and the external world
Dynamic stop valve 114, for controlling the draining of the second discharge outlet 109.After the water pressure test terminates, the of the bottom of Opening pressure container 2
Two electric check valves 108 and the 6th electric check valve 114, the water in pressure vessel 2 is drained.By the water row in pressure vessel 2
After to the greatest extent, the connection of hot-water cylinder 1 and pressure vessel 2 is disconnected.
In present embodiment, the hydraulic test of pressure vessel device 100 also include programmable logic controller (PLC) 3 and with institute
State the man-machine interface 4 of the connection of programmable logic controller (PLC) 3.The programmable logic controller (PLC) 3 and the water pump 103, the electricity
Heater 11, the electric control valve 106, first electric check valve 102, second electric check valve 108, described
Three electric check valves 204, the 4th electric check valve 302, the high water level sensor 12, the low water level sensor 13,
The temperature sensor 203, the pressure sensor 202, the flow sensor 107 are connected, for signal collecting and controlling.
Specifically, programmable logic controller (PLC) 3 receives the water level information that high water level sensor 12 and low water level sensor 13 are sensed, and root
The switch of the 4th electric check valve 302 is controlled according to water level information；The temperature signal that reception temperature sensor 203 is gathered, and according to
The temperature signal controls the switch of the 3rd electric check valve 204；What reception pressure sensor 202 and flow sensor 107 were gathered
Pressure signal and flow, control electric control valve 106, the switch of the electric check valve 204 of water pump 103 and the 3rd；In hydraulic pressure examination
Test after end, also control the first electric check valve 102, the 5th electric check valve 113, the 3rd electric check valve 204, second electronic
The switch of the electric check valve 114 of stop valve 108 and the 6th.
In present embodiment, the man-machine interface is used for parameter input, presentation of information and printing, specifically, to pressure
Before the water-filling of container 2, the temperature of the setting water pressure test, rate of pressure rise, design pressure, hydraulic test pressure in man-machine interface 4
With the dwell time etc.；When carrying out the water pressure test, display whether to reach high water level face and low water level face and displays temperature signal
And flow signal, after the water pressure test terminates, the man-machine interface 4 can show printable water pressure test overall process temperature and
Pressure curve.The man-machine interface 4 is connected with the programmable logic controller (PLC) 3, is controlled by the programmable logic controller (PLC) 3
The man-machine interface 4 is made to work.Due to the design of programmable logic controller (PLC) 3 and man-machine interface 4, it is possible to achieve the water pressure test is complete
Process automation is controlled and recorded, and can reduce production and the quantity of reviewer, reduces the probability of artificial maloperation, reduces process note
Record the finishing time of file and test report.
The hydraulic test of pressure vessel device 100 of embodiment of the present invention is by carrying out ultimate attainmentization module Integrated design and system
Make, it is only necessary to which scene provides water and electricity and can just used, the appearance and size that device can be achieved is minimum, and the whole world, which is moved to diverse location, to be made
With.
Second embodiment of the present invention is related to a kind of hydraulic test of pressure vessel method, as shown in Fig. 2 including following step
Suddenly：
Step S10, hot-water cylinder 1 passes through first circulation pipeline 10 and second circulation pipeline by the water-filling of moisturizing pipeline 30
Water in the hot-water cylinder 1 is filled with the pressure vessel 2 by circulation 20.
Before step S10, the first circulation pipeline 10 and second between connection hot-water cylinder 1 and pressure vessel 2 is followed
Endless tube line 20.
In step slo, specifically opening the 4th electric check valve 302 on moisturizing pipeline 30, filled to hot-water cylinder 1
Water, when high water level sensor 12 senses water in hot-water cylinder 1 and reaches high water level mouthful 16, opens first circulation pipeline 10 and the
Two pipeloops 20, to the water-filling of pressure vessel 2.When the water level that low water level sensor 13 is sensed in hot-water cylinder 1 is less than low water level
During mouth 17, the 4th electric check valve 302 on moisturizing pipeline 30 is automatically turned on, when high water level sensor 12 senses hot-water cylinder 1
In water level higher than high water level mouthfuls 16 when, automatic the 4th electric check valve 302 closed on moisturizing pipeline 30, now hot-water cylinder 1
Enough water needed for carrying out the water pressure test has all been filled with pressure vessel 2.
Step S11, the hot-water cylinder 1, to circulating water heating to preset temperature, carries out the water pressure test by electric heater 11.
In step s 11, as shown in figure 3, specifically including following steps：
Step S30, is automatically stopped heating when the electric heater 11 is to circulating water heating to preset temperature, close described the
Two pipeloops 20.
In step s 30, specifically, the water in hot-water cylinder 1 is heated by electric heater 11, works as temperature sensor
203 temperature collected are automatically stopped heating, and close second circulation pipeline 20 when within the scope of preset temperature ± 5 DEG C
On the 3rd electric check valve 204.
Step S31, is pressurizeed by the first circulation pipeline 10 to the water-filling of pressure vessel 2, until being arranged on described
The pressure value that pressure sensor 202 on second circulation pipeline 20 is gathered is closed described first when being equal to default hydraulic pressure pressure and followed
Endless tube line 10.
In step S31, specifically the flow collected according to the flow sensor 107 on first circulation pipeline 10
The pressure signal that pressure sensor 202 on signal and second circulation pipeline 20 is collected, adjustment is arranged on the first circulation
Electric control valve 106 on pipeline 10, it is ensured that the rate of pressure rise of the pressure vessel 2 is less than scheduled rate.When second circulation pipe
The pressure signal that pressure sensor 202 on line 20 is gathered closes the first circulation pipeline 10 when being equal to default hydraulic pressure pressure
On water pump 103 and the bottom of pressure vessel 2 the second electric check valve 108, stop to the water-filling of pressure vessel 2, now pressure holds
Hydraulic pressure in device 2 reaches the hydraulic pressure needed for the water pressure test.
Step S32, pressurize preset time.
In step s 32, the preset time is set before the water pressure test is carried out in the man-machine interface 4.
Step S33, micro- the 3rd electric check valve 204 for opening the second circulation pipeline 20 makes pressure value be down to design pressure
The second circulation pipeline 20 is closed during power, and checks the pressure vessel 2.
In step S33, specifically micro- the 3rd electric check valve 204 opened on second circulation pipeline 20, when pressure is passed
When the pressure value that sensor 202 is measured is reduced to design pressure, the 3rd electric control valve 204 is closed, and whether check pressure vessel 2
There is damage.
Step S12, after the water pressure test terminates, draining is carried out to the pressure vessel 2.
In step s 12, after the water pressure test terminates, pressure release is clicked in man-machine interface 4, the pressure vessel is opened
2 the second discharge outlet 109, and the second electric check valve 108 and the progress draining of the 6th electric check valve 114 are opened simultaneously, until,
Water in pressure vessel 2 is drained.
After water in pressure vessel 2 is drained, by the first circulation pipeline 10 between hot-water cylinder 1 and pressure vessel 2 and
Two pipeloops 20 disconnect.
The step of various methods are divided above, be intended merely to description it is clear, can be merged into when realizing a step or
Some steps are split, multiple steps are decomposed into, as long as including identical logical relation, all protection domain in this patent
It is interior；To adding inessential modification in algorithm or in flow or introducing inessential design, but its algorithm is not changed
Core design with flow is all in the protection domain of the patent.
It is seen that, present embodiment is the embodiment of the method corresponding with first embodiment, and present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, is repeated no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of hydraulic test of pressure vessel device, it is characterised in that including：Hot-water cylinder, it is connected to the hot-water cylinder and described
First circulation pipeline and second circulation pipeline between pressure vessel；Electric heater and filling pipe are provided with the hot-water cylinder
Line, the hot-water cylinder is followed by the moisturizing pipeline water-filling, and by the first circulation pipeline and the second circulation pipeline
Water in the hot-water cylinder is filled with the pressure vessel by ring, by the electric heater to circulating water heating to preset temperature,
Carry out the water pressure test；After the water pressure test terminates, draining is carried out to the pressure vessel.
2. hydraulic test of pressure vessel device according to claim 1, it is characterised in that the first circulation pipeline includes
It is arranged on the first discharge outlet, the first electric check valve, water pump, check-valves, filter, the motorized adjustment of the hot water pot bottom
Valve, flow sensor, the second electric check valve and the second discharge outlet for being arranged on the pressure vessel bottom.
3. hydraulic test of pressure vessel device according to claim 2, it is characterised in that the first circulation pipeline is also wrapped
Include the first manual stop valve being arranged between the filter and the electric control valve, be arranged on the electric control valve and
The second hand stop valve between the flow sensor and with the first manual stop valve, the electric control valve and
Second hand stop valve the 3rd hand stop valve in parallel.
4. hydraulic test of pressure vessel device according to claim 3, it is characterised in that the second circulation pipeline includes
It is arranged on first row gas port at the top of the pressure vessel, pressure sensor, temperature sensor, the 3rd electric check valve, the 4th
Hand stop valve and water return outlet；The moisturizing pipeline includes water supplement port and the 4th electric check valve, the moisturizing pipeline and outside
Water pipe is connected.
5. hydraulic test of pressure vessel device according to claim 4, it is characterised in that the second circulation pipeline is also wrapped
U-tube is included, the peak of the U-tube is higher than the peak of the pressure vessel.
6. hydraulic test of pressure vessel device according to claim 4, it is characterised in that the hot-water cylinder also includes setting
The high water level sensor of side, low water level sensor and be arranged on top second exhaust port.
7. hydraulic test of pressure vessel device according to claim 6, it is characterised in that the hydraulic test of pressure vessel
Device also includes programmable logic controller (PLC) and the man-machine interface being connected with the programmable logic controller (PLC), and described may be programmed is patrolled
Collect controller and the water pump, the electric heater, the electric control valve, first electric check valve, second electricity
Dynamic stop valve, the 3rd electric check valve, the 4th electric check valve, the high water level sensor, the low water level are passed
Sensor, the temperature sensor, the pressure sensor, flow sensor connection, for signal collecting and controlling；It is described
Man-machine interface is used for parameter input, presentation of information and printing.
8. a kind of hydraulic test of pressure vessel method, it is characterised in that comprise the following steps：
Hot-water cylinder is circulated in the hot-water cylinder by moisturizing pipeline water-filling, and by first circulation pipeline and second circulation pipeline
Water be filled with the pressure vessel；
The hot-water cylinder, to circulating water heating to preset temperature, carries out the water pressure test by electric heater；
After the water pressure test terminates, draining is carried out to the pressure vessel.
9. hydraulic test of pressure vessel method according to claim 8, it is characterised in that the hot-water cylinder passes through electrical heating
Device is to circulating water heating to preset temperature, and the step of carrying out the water pressure test includes：
Heating is automatically stopped when the electric heater is to circulating water heating to preset temperature, the second circulation pipeline is closed；
Pressurizeed by the first circulation pipeline to the pressure vessel water-filling, until being arranged on the second circulation pipeline
The pressure value of pressure sensor collection closes the first circulation pipeline when being equal to default hydraulic pressure pressure；
Pressurize preset time；
Micro- the 3rd electric check valve opened on the second circulation pipeline, makes pressure value close described second when being down to design pressure
Pipeloop, and check the pressure vessel.
10. hydraulic test of pressure vessel method according to claim 9, it is characterised in that described to be followed by described first
The step of endless tube line pressurizes to the pressure vessel water-filling includes：
Adjustment is arranged on the electric control valve on the first circulation pipeline, it is ensured that the rate of pressure rise of the pressure vessel is less than pre-
If speed.
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| CN107219126B (en) | 2024-03-22 |
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