CN202994571U - Pressurization system used for detection of internal pressure resistance of ceramic tube - Google Patents

Pressurization system used for detection of internal pressure resistance of ceramic tube Download PDF

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Publication number
CN202994571U
CN202994571U CN 201220686443 CN201220686443U CN202994571U CN 202994571 U CN202994571 U CN 202994571U CN 201220686443 CN201220686443 CN 201220686443 CN 201220686443 U CN201220686443 U CN 201220686443U CN 202994571 U CN202994571 U CN 202994571U
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China
Prior art keywords
pressure
valve
liquid
loop
low
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CN 201220686443
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Chinese (zh)
Inventor
朱翔宇
王国林
顾中华
茅雁
刘宇
周日生
祝铭
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Shanghai Electric Sodium Sulfur Energy Storage Technology Co Ltd
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Shanghai Electric Sodium Sulfur Energy Storage Technology Co Ltd
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Abstract

The utility model discloses a pressurization system used for the detection of internal pressure resistance of a ceramic tube, which can be used for rapidly and accurately detecting the internal pressure resistance strength and the burst resistance pressure of the ceramic tube. The pressurization system comprises a liquid injecting tube, a liquid drive unit and an air pressure drive unit. The liquid drive unit comprises a liquid storage box, an inflow stop valve, an inflow filter, a low-pressure liquid loop and a high-pressure liquid loop. The low-pressure liquid loop comprises a low-pressure gas drive liquid pump, a one-way valve and a low-pressure outflow port which are connected with an outlet of the inflow filter sequentially. The high-pressure liquid loop comprises a high-pressure gas drive liquid pump and a high-pressure outflow port which are connected with an inlet of the inflow filter. The low-pressure outflow port and the high-pressure outflow port are both connected with the liquid injecting tube by a first air control valve. The air pressure drive unit comprises an air storage tank and an air driving loop. The air driving loop comprises an air filter, an air stop valve and a proportional pressure reducing valve which are connected with an outlet of the air storage tank sequentially. An outlet of the proportional pressure reducing valve is connected with the low-pressure gas drive liquid pump and the high-pressure gas drive liquid pump respectively.

Description

The pressure charging system that a kind of internal pressure-resistant for ceramic pipe detects
Technical field
The utility model relates to the pressure charging system that a kind of internal pressure-resistant for ceramic pipe detects.
Background technology
Along with technology and economic develop rapidly, the ceramic pipe goods of some special functional application such as sodium-sulphur battery with beta-alumina electrolyte ceramics pipe, fuel cell with BCFN(synthetic extraordinary polycrystalline compounds used on zirconia ceramics pipe, coke-oven gas secondary product hydrogen through reforming oxidized device) market demand of oxygen permeation membrane complex media ceramic pipe etc. is increasing.The popular feature of these special cermacis pipes: the one, the goods of requirement are that thin-walled one end sealing other end opening and length-diameter ratio are greater than 5; The 2nd, the environmental requirement that ceramic pipe is used is high, generally all will carry out work and need heating and cooling repeatedly under middle high-temperature, and being subjected to the mechanical stress effect; The 3rd, the inside and outside of ceramic pipe is all active very high material, easily causes catastrophic consequence in case ceramic pipe breaks; The 4th, the complicated process of preparation of these special cermacis pipes inevitably can produce various defectives in the preparation, and these defectives are also more difficult detection at present.
The utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, the pressure charging system that provides a kind of internal pressure-resistant for ceramic pipe to detect, it can detect burst strength and the anticracking pressure of ceramic pipe quickly and accurately, provides scientific basis for scientific and technical personnel make objective judgement to the performance of product.
The technical scheme that realizes above-mentioned purpose is: the pressure charging system that a kind of internal pressure-resistant for ceramic pipe detects, comprise liquid injection pipe, liquid driven unit and air pressure driver element, wherein, described liquid driven unit comprises liquid reserve tank, water inlet stop valve, water inflow filter, low pressure liquid loop and highly pressurised liquid loop, and described low pressure liquid loop comprises low pressure gas drive liquid pump, a retaining valve and the low pressure delivery interface of the outlet that is connected to described water inflow filter in turn; Described highly pressurised liquid loop comprises high pressure gas drive liquid pump and the high pressure water outlet mouthpiece of the outlet that is connected to described water inflow filter, and described low pressure delivery interface and high pressure water outlet mouthpiece all are connected with described liquid injection pipe by the first Pneumatic valve; Described air pressure driver element comprises gas-holder and purging loop, this purging loop comprises an air strainer, a gas stop valve and a proportional pressure-reducing valve of the delivery outlet that is connected to described gas-holder in turn, the delivery outlet of this proportional pressure-reducing valve is divided into two-way, one the tunnel is connected with the driving stem of described low pressure gas drive liquid pump, and another road is connected with the driving stem of described high pressure gas drive liquid pump.
The pressure charging system that the above-mentioned internal pressure-resistant that is used for ceramic pipe detects, wherein, described pressure charging system also comprises a liquids recovery loop and a pressure release loop, described liquids recovery loop comprises a liquid recovery tank and is connected to the first backwater stop valve, a graded filter and second Pneumatic valve of the input port of liquid recovery tank in turn, and this second Pneumatic valve is connected with described liquid injection pipe; Described pressure release loop comprises the reduction valve of the outlet that is connected to described gas-holder, the outlet of this reduction valve connects respectively first, second solenoid directional control valve, the first solenoid directional control valve is connected with described the first Pneumatic valve, and the second solenoid directional control valve is connected with described the second Pneumatic valve.
The pressure charging system that the above-mentioned internal pressure-resistant that is used for ceramic pipe detects, wherein, the input port of described gas-holder connects a cooling driers, an accurate filter and an integral type air compressor machine successively.
The pressure charging system that the above-mentioned internal pressure-resistant that is used for ceramic pipe detects, wherein, the delivery outlet of described proportional pressure-reducing valve by a low voltage electromagnetic reversal valve with is connected the driving stem of low-pressure safety valve with described low pressure gas drive liquid pump and is connected, the delivery outlet of described proportional pressure-reducing valve passes through a high-voltage electromagnetic reversal valve and is connected the driving stem of high-pressure safety valve with described high pressure gas drive liquid pump and is connected.
The pressure charging system that the above-mentioned internal pressure-resistant that is used for ceramic pipe detects, wherein, described liquid injection pipe is connected with the liquid injection port of measured workpiece and a pressure transducer and a tensimeter is installed.
The technical scheme of the pressure charging system that the internal pressure-resistant for ceramic pipe of the present utility model detects, can adapt to anti-interior isostatic pressing strength and the interior explosion pressure test requirement of different types of ceramic pipe, and can test quickly and accurately, for making objective judgement to the performance of product, scientific and technical personnel provide scientific basis.
Description of drawings
Fig. 1 is the structural representation of the pressure charging system that detects of the internal pressure-resistant for ceramic pipe of the present utility model.
Embodiment
In order to understand the technical solution of the utility model better, also be elaborated by reference to the accompanying drawings below by specific embodiment:
See also Fig. 1, the pressure charging system that a kind of internal pressure-resistant for ceramic pipe of the present utility model detects comprises liquid injection pipe 10, liquid driven unit, air pressure driver element, liquids recovery unit and pressure release loop.
One pressure transducer 41 and a tensimeter 42 are installed on liquid injection pipe 40, and this liquid injection pipe 40 connects the liquid injection port of measured workpiece;
The liquid driven unit comprises liquid reserve tank 10, water inlet stop valve 11, water inflow filter 12, low pressure liquid loop and highly pressurised liquid loop, wherein,
The low pressure liquid loop comprises low pressure gas drive liquid pump 13, a retaining valve 14 and the low pressure delivery interface of the outlet that is connected to water inflow filter 12 in turn, and the low pressure delivery interface is connected with liquid injection pipe 40 by the first Pneumatic valve 15;
The highly pressurised liquid loop comprises high pressure gas drive liquid pump 16 and the high pressure water outlet mouthpiece of the outlet that is connected to described water inflow filter 12, and the high pressure water outlet mouthpiece is connected with liquid injection pipe 40 by the first Pneumatic valve 15.
The air pressure driver element comprises gas-holder 20 and purging loop, wherein,
The input port of gas-holder 20 connects a cooling driers 21, an accurate filter 22 and an integral type air compressor machine 23 successively; Air compressor machine 23 adopts the Atlas frequency-conversion air compressor, and source of the gas is carried out cold dried dehumidifying, obtains the power gas source of steady pressure after filtering by the gas-holder voltage stabilizing;
The purging loop comprises an air strainer 24, a gas stop valve 25 and a proportional pressure-reducing valve 26 of the delivery outlet that is connected to described gas-holder 20 in turn, the delivery outlet of this proportional pressure-reducing valve 26 is divided into two-way, lead up to a low voltage electromagnetic reversal valve 271 with is connected the driving stem of low-pressure safety valve 272 with low pressure gas drive liquid pump 13 and is connected, another road by a high-voltage electromagnetic reversal valve 273 with is connected the driving stem of high-pressure safety valve 274 with high pressure gas drive liquid pump 16 and is connected;
The liquids recovery loop comprises a liquid recovery tank 30 and is connected to the first backwater stop valve 31 and a graded filter 32 and second Pneumatic valve 33 of the input port of liquid recovery tank 30 in turn, and this second Pneumatic valve 33 is connected with liquid injection pipe 40.
The pressure release loop comprises the reduction valve 28 of the delivery outlet that is connected to gas-holder 20, the outlet of this reduction valve connects respectively first, second solenoid directional control valve 291,292, the first solenoid directional control valve 291 is connected with the first Pneumatic valve 15, and the second solenoid directional control valve 291 is connected with the second Pneumatic valve 33.
The principle of work of the pressure charging system that a kind of internal pressure-resistant for ceramic pipe of the present utility model detects is:
The test liquid of the liquid reserve tank 10 interior storages of liquid driven unit is divided into two branch roads through water inlet stop valve 11 and water inflow filter 12, article one, branch road enters the entrance of low pressure gas drive liquid pump 13, again through the outlet of low pressure gas drive liquid pump 13, be communicated with liquid injection pipe 40 by retaining valve 14 and the first Pneumatic valve 15 and form the low pressure liquid loop; Another branch road enters the entrance of high pressure gas drive liquid pump 16, again through the outlet of high pressure gas drive liquid pump 16, be communicated with liquid injection pipe 40 by the first Pneumatic valve 17 and form the highly pressurised liquid loop, low pressure liquid loop and highly pressurised liquid loop all are connected with the liquid injection port of workpiece for measurement by liquid injection pipe 40.
The pressure of liquid driven is set up by the proportional pressure-reducing valve 26 in the purging loop, and detects and input computing machine by pressure transducer 41 and consist of closed-loop control, and this pressure is demonstration in real time on computers, and is indicated by tensimeter 42.
The second Pneumatic valve 33 can be opened by the second solenoid directional control valve 292 in the pressure release loop, can get rid of the residual Hi-pot test liquid in leather bag 53, guarantees to be used for system is carried out safeguard protection in the complete laggard horizontal high voltage unloading of pressurize.
The liquids recovery unit is recovered to the test liquid in leather bag 53 in liquid recovery tank 30 by the first backwater stop valve 31 and a graded filter 32.
Ceramic pipe intensity static pressure test:
First start air compressor machine 23 and cooling driers 21, open again gas stop valve 25, water inlet stop valve 11, the first backwater stop valve 31, press the beginning Test Switchboard, system send signal make low-voltage solenoid valve 271 electric, then PLC Comparative Examples reduction valve 26 sends signal, starts low pressure gas drive liquid pump 13.Then PLC send signal make the first solenoid valve 291 electric, the first Pneumatic valve 15 is opened, system begins measured workpiece is carried out topping up, pressure transducer 41 detects supercharging pressures simultaneously.
During pressurization:
A. static pressure test pressure is at 10MPa-22MPa, after 13 pairs of measured workpieces of low pressure gas drive liquid pump are full of, pressure transducer 41 with the pressure feedback that detects to proportional pressure-reducing valve 26, PLC sends signal makes proportional pressure-reducing valve 26 progressively improve output pressure, low pressure gas drive liquid pump 13 output pressures according to the pressure ratio control pump, until system reaches the static pressure test working pressure of setting, PLC signaled proportional pressure-reducing valve 26 was quit work this moment, low-voltage solenoid valve 271 dead electricity, low pressure gas drive liquid pump 13 quits work, the first solenoid valve 291 is dead electricity also, close the first Pneumatic valve 15, system begins measured workpiece is carried out pressurize, PLC according to pressure transducer detect 41 to pressure record get off, and show on control panel with the form of curve.
B. static pressure test pressure is at 22MPa-150MPa, after 13 pairs of measured workpieces of low pressure gas drive liquid pump are full of, PLC signals and makes low-voltage solenoid valve 271 dead electricity, low pressure gas drive liquid pump 13 is quit work, then signaling, it is electric that high-pressure solenoid valve 273 is got, system starts high pressure gas drive liquid pump 16, PLC sends signal controlling proportional pressure-reducing valve 26 and progressively improves output pressure, high pressure gas drive liquid pump 16 is according to the output pressure of pressure ratio control pump, continuation is carried out the fluid injection pressurization to workpiece, until the pressure in workpiece reaches the working pressure of setting, when pressure transducer 41 detects set pressure, PLC sends signal quits work proportional pressure-reducing valve 26, high-pressure solenoid valve 273 dead electricity, high pressure gas drive liquid pump 16 quits work, the first solenoid valve 291 dead electricity, close the first Pneumatic valve 15, system begins measured workpiece is carried out pressurize.The pressure record that pressure transducer 41 detects gets off, and shows on control panel with the form of curve.
After the dwell time reaches, PLC signal make the second solenoid valve 292 electric, open the second Pneumatic valve 29, system is with the pressure release in measured workpiece, when pressure transducer 41 detects zero-pressure, then the first solenoid valve 291 gets electric, the first Pneumatic valve 15 is opened, system unloads the highly pressurised liquid that is exported between the first Pneumatic valve 15 of high pressure gas drive liquid pump 16 to liquid recovery tank 30, after time-delay a period of time, the second solenoid valve 292 and the first solenoid valve 291 dead electricity, close the first Pneumatic valve 15 and the second Pneumatic valve 29, system quits work fully.
The test of ceramic pipe burst pressure:
First start air compressor machine 23 and cooling driers 21, open again gas stop valve 25, water inlet stop valve 11, the first backwater stop valve 31, press the beginning Test Switchboard, system send signal make low-voltage solenoid valve 271 electric, then PLC Comparative Examples reduction valve 26 sends signal, starts low pressure gas drive liquid pump 13.Then PLC send signal make the first solenoid valve 291 electric, the first Pneumatic valve 15 is opened, system begins measured workpiece is carried out topping up, pressure transducer 41 detects supercharging pressures simultaneously.
After 13 pairs of measured workpieces of low pressure gas drive liquid pump are full of water, after pressure transducer 41 detects water injection pressure and reaches 44MPa, PLC signals and makes low-voltage solenoid valve 271 dead electricity, then PLC begin to signal make high-pressure solenoid valve 273 electric, system begins to start high pressure gas drive liquid pump 16 and continues measured workpiece is carried out the fluid injection pressurization, until measured workpiece is pressurized to least bursting pressure, if after the pressure of pressure transducer 41 detections arrives, measured workpiece does not also have explosion, this moment, PLC continuation signalling increased the top hole pressure of high pressure gas drive liquid pump 16 until the measured workpiece explosion.This moment, pressure transducer 41 showed the pressure signal shape with curve on control desk that detects.after the measured workpiece explosion, PLC sends signal and makes proportional pressure-reducing valve 26 and high-pressure solenoid valve 273 dead electricity respectively, high pressure gas drive liquid pump 16 quits work, then make the second solenoid valve 292 get electric, the second Pneumatic valve 29 is opened, system is with the pressure release, then the first solenoid valve 291 gets electric, the first Pneumatic valve 15 is opened, system unloads the highly pressurised liquid that is exported between the first Pneumatic valve 15 of high pressure gas drive liquid pump 16 to liquid recovery tank 30, after time-delay a period of time, the second solenoid valve 292 and the first solenoid valve 291 dead electricity, close the first Pneumatic valve 15 and the second Pneumatic valve 29, system quits work fully.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the utility model, and be not to be used as restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.

Claims (5)

1. a pressure charging system that is used for the internal pressure-resistant detection of ceramic pipe, comprise liquid injection pipe, liquid driven unit and air pressure driver element, it is characterized in that,
Described liquid driven unit comprises liquid reserve tank, water inlet stop valve, water inflow filter, low pressure liquid loop and highly pressurised liquid loop, and described low pressure liquid loop comprises low pressure gas drive liquid pump, a retaining valve and the low pressure delivery interface of the outlet that is connected to described water inflow filter in turn; Described highly pressurised liquid loop comprises high pressure gas drive liquid pump and the high pressure water outlet mouthpiece of the outlet that is connected to described water inflow filter, and described low pressure delivery interface and high pressure water outlet mouthpiece all are connected with described liquid injection pipe by the first Pneumatic valve;
Described air pressure driver element comprises gas-holder and purging loop, this purging loop comprises an air strainer, a gas stop valve and a proportional pressure-reducing valve of the delivery outlet that is connected to described gas-holder in turn, the delivery outlet of this proportional pressure-reducing valve is divided into two-way, one the tunnel is connected with the driving stem of described low pressure gas drive liquid pump, and another road is connected with the driving stem of described high pressure gas drive liquid pump.
2. the pressure charging system that detects of the internal pressure-resistant for ceramic pipe according to claim 1, it is characterized in that, described pressure charging system also comprises a liquids recovery loop and a pressure release loop, described liquids recovery loop comprises a liquid recovery tank and is connected to the first backwater stop valve, a graded filter and second Pneumatic valve of the input port of liquid recovery tank in turn, and this second Pneumatic valve is connected with described liquid injection pipe; Described pressure release loop comprises the reduction valve of the outlet that is connected to described gas-holder, the outlet of this reduction valve connects respectively first, second solenoid directional control valve, the first solenoid directional control valve is connected with described the first Pneumatic valve, and the second solenoid directional control valve is connected with described the second Pneumatic valve.
3. the pressure charging system that detects of the internal pressure-resistant for ceramic pipe according to claim 1 and 2, is characterized in that, the input port of described gas-holder connects a cooling driers, an accurate filter and an integral type air compressor machine successively.
4. the pressure charging system that detects of the internal pressure-resistant for ceramic pipe according to claim 1, it is characterized in that, the delivery outlet of described proportional pressure-reducing valve by a low voltage electromagnetic reversal valve with is connected the driving stem of low-pressure safety valve with described low pressure gas drive liquid pump and is connected, the delivery outlet of described proportional pressure-reducing valve passes through a high-voltage electromagnetic reversal valve and is connected the driving stem of high-pressure safety valve with described high pressure gas drive liquid pump and is connected.
5. the pressure charging system that detects of the internal pressure-resistant for ceramic pipe according to claim 1 and 2, is characterized in that, described liquid injection pipe is connected with the liquid injection port of measured workpiece and a pressure transducer and a tensimeter be installed.
CN 201220686443 2012-12-12 2012-12-12 Pressurization system used for detection of internal pressure resistance of ceramic tube Withdrawn - After Issue CN202994571U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103123309A (en) * 2012-12-12 2013-05-29 上海电气钠硫储能技术有限公司 Pressurization system used for detecting internal-pressure resistance of ceramic tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103123309A (en) * 2012-12-12 2013-05-29 上海电气钠硫储能技术有限公司 Pressurization system used for detecting internal-pressure resistance of ceramic tube
CN103123309B (en) * 2012-12-12 2015-03-25 上海电气钠硫储能技术有限公司 Pressurization system used for detecting internal-pressure resistance of ceramic tube

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Granted publication date: 20130612

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