CN117269035A - Be applied to anti sulphur hydrogen resistance testing arrangement - Google Patents
Be applied to anti sulphur hydrogen resistance testing arrangement Download PDFInfo
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- CN117269035A CN117269035A CN202311293805.5A CN202311293805A CN117269035A CN 117269035 A CN117269035 A CN 117269035A CN 202311293805 A CN202311293805 A CN 202311293805A CN 117269035 A CN117269035 A CN 117269035A
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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000001257 hydrogen Substances 0.000 title claims abstract description 43
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 43
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000005864 Sulphur Substances 0.000 title claims description 4
- 239000007789 gas Substances 0.000 claims abstract description 151
- 239000012085 test solution Substances 0.000 claims abstract description 48
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 37
- 239000011593 sulfur Substances 0.000 claims abstract description 37
- 239000000243 solution Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims description 90
- 230000006378 damage Effects 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000003860 storage Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a sulfur-resistant and hydrogen-resistant testing device, which belongs to the field of sulfur-resistant and hydrogen-resistant testing device equipment and comprises a reaction cabinet body, at least two sets of reaction kettles, an anaerobic solution conveying system and an anaerobic gas conveying system, wherein the anaerobic solution conveying system is fixed in the reaction cabinet body and used for providing anaerobic solution for the reaction kettles, and the anaerobic gas conveying system is fixed in the reaction cabinet body and used for providing testing gas for the reaction kettles and the anaerobic solution conveying system. According to the invention, the sulfur-resistant and hydrogen-resistant test is realized by the cooperation of the reaction kettle, the anaerobic solution conveying system and the anaerobic gas conveying system, and the anaerobic conveying and storage are carried out on the reaction solution by the cooperation of the anaerobic solution conveying system and the anaerobic gas conveying system, so that the contact between the test solution and oxygen in the storage and conveying processes is reduced, the preparation time of the sulfur-resistant and hydrogen-resistant test is shortened, and the detection efficiency of the sulfur-resistant and hydrogen-resistant test is improved.
Description
Technical Field
The invention relates to the technical field of equipment applied to a sulfur-resistant and hydrogen-resistant testing device, in particular to a sulfur-resistant and hydrogen-resistant testing device.
Background
The sulfur-resistant and hydrogen-resistant test is an evaluation test for the sulfide stress cracking resistance, stress corrosion cracking resistance and hydrogen induced cracking resistance of a metal material, and the test time is 96 hours according to the requirements of test standards GB/T4157-2017 GB/T8650-2015.
Currently, in sulfur and hydrogen resistance testing equipment, a storage tank is communicated with a reaction kettle and provides a test solution for the reaction kettle. However, since a large volume of the test solution is generally required, the test solution needs to be prepared in advance, and after the preparation is completed, the test solution is poured into an open storage tank for storage and is sent into the reaction kettle through a pump body. Although the test solution conveying mode can be used, air is mixed in the conveying process, so that the oxygen content in the test solution is increased, the deoxidization time is prolonged, the preparation time of the sulfur-resistant and hydrogen-resistant test is prolonged, and the detection efficiency of the sulfur-resistant and hydrogen-resistant test is reduced.
Disclosure of Invention
The invention aims to provide a sulfur-resistant and hydrogen-resistant testing device, which is used for solving the problem that the test solution is mixed with air in the conveying process in the background art.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a be applied to anti sulphur hydrogen test device, includes the reaction cabinet body, test device still includes:
at least two sets of reaction kettles fixed in the reaction cabinet body;
the anaerobic solution conveying system is fixed in the reaction cabinet body and is used for providing anaerobic solution for the reaction kettle;
the oxygen-free gas conveying system is fixed in the reaction cabinet body and is used for providing test gas for the reaction kettle and the oxygen-free solution conveying system;
the oxygen-free gas conveying system comprises a gas main runner, a gas supply unit and at least two groups of gas branch runners which are mutually connected in parallel, wherein the gas branch runners are communicated with the gas main runner, the gas supply unit is communicated with the gas main runner in a detachable mode and provides test gas, and one set of reaction kettle is communicated with one group of gas branch runners;
the anaerobic solution conveying system comprises a reaction main runner, a liquid supply unit and at least two groups of reaction branch runners which are mutually connected in parallel, wherein the reaction branch runners are communicated with the reaction main runner, the liquid supply unit is communicated with the reaction main runner in a detachable mode and provides a test solution, and one set of reaction kettles is communicated with one group of reaction branch runners;
the gas branch flow passages are used for providing test gas for the liquid supply unit, so that the test solution in the liquid supply unit is sent into the reaction main flow passage through the pressure of the test gas.
Preferably, the gas supply unit comprises a gas supply bottle and a gas quick-connection valve, one end of the gas quick-connection valve is communicated with the gas supply bottle in a quick-connection mode, and the other end of the gas quick-connection valve is communicated with the gas branch flow passage.
Preferably, the gas branch flow channel is further provided with a gas flow controller II, a trap I, a trap II and a waste discharge unit, one end of the gas flow controller II is communicated with a gas quick-connection valve, the other end of the gas flow controller II is communicated with the trap I, the end of the trap I is communicated with the gas inlet end of the reaction kettle, one end of the trap II is communicated with the gas outlet end of the reaction kettle, and the other end of the trap II is communicated with the waste discharge unit.
Preferably, liquid flow controllers for controlling the flow of the test solution are arranged in the reaction branch flow channels; and a discharge one-way valve is further arranged in the reaction branch flow passage and is communicated with the liquid outlet end of the reaction kettle, and the discharge of the test solution in the reaction kettle is controlled.
Preferably, the liquid supply unit comprises a quick connection assembly, a liquid supply tank and a first gas flow controller, wherein the quick connection assembly is fixedly arranged outside the reaction cabinet body, the liquid supply tank is detachably connected with the quick connection assembly, the first gas flow controller is arranged between a gas main runner and the quick connection assembly, the reaction main runner is communicated with the quick connection assembly through a pipeline, and the liquid supply tank is used for providing a test solution; the liquid supply tank comprises a tank body, a tank opening is formed in the top of the tank body, a limiting block is fixedly inserted into the tank opening, an air guide pipe is arranged in the tank body, an air guide hole and at least one liquid discharge hole are formed in the surface of the limiting block, the end part of the air guide pipe is fixedly connected with the air guide hole, a limiting ring is fixedly arranged on the outer wall of the tank opening, one end of the limiting ring, which faces the tank opening, is combined with one end of the limiting block, which faces the limiting ring, to form a limiting accommodating cavity, and a damage blocking piece for sealing the air guide hole and the liquid discharge hole is fixedly arranged in the limiting accommodating cavity in a pressing mode.
Preferably, the limit ring is connected with the tank opening in a threaded connection mode, an outward extending air guide flange is arranged at the top of the air guide pipe, an air guide groove matched with the air guide flange is formed in the air guide hole towards one end far away from the tank body, and the air guide flange is fixedly inserted into the air guide groove in a plugging mode.
Preferably, the quick-connection assembly comprises a quick-connection bracket, the quick-connection bracket is fixedly connected with the reaction cabinet body, a quick-connection base is fixed on the quick-connection bracket, a quick-connection slot matched with the limiting ring is formed in one end of the quick-connection base, which faces the liquid supply tank, a guide chute is formed in the quick-connection slot along the insertion direction of the quick-connection slot, an air guide ring is arranged in the guide chute in a sliding manner, a puncture head I is arranged in the air guide ring, the end part of the puncture head I is fixed in the quick-connection slot, a quick-connection air inlet and a quick-connection liquid outlet are formed in the outer wall of the quick-connection base, the quick-connection air inlet is communicated with the guide chute, at least one liquid outlet slot is formed in one end of the quick-connection slot, a second liquid outlet is fixed in the liquid outlet slot, the quick-connection liquid outlet is communicated with the liquid outlet slot, and a clamping unit is arranged on the side part of the quick-connection base and is used for fixing the limiting ring.
Preferably, an annular flow channel is formed in the quick-connection base, and the liquid outlet groove is communicated with the annular flow channel.
Preferably, a reset spring is sleeved on the outer wall of the first puncture head, one end of the reset spring is abutted against the air guide ring, and the other end of the reset spring is abutted against the guide chute.
Preferably, a plurality of exhaust grooves are formed in the outer wall of the second puncture head along the axial direction of the second puncture head.
The invention has the beneficial effects that the sulfur-resistant and hydrogen-resistant test is realized by the cooperation of the reaction kettle, the anaerobic solution conveying system and the anaerobic gas conveying system, and the anaerobic conveying and storage are carried out on the reaction solution by the cooperation of the anaerobic solution conveying system and the anaerobic gas conveying system, so that the contact between the test solution and oxygen in the storage and conveying processes is reduced, the preparation time of the sulfur-resistant and hydrogen-resistant test is shortened, the detection efficiency of the sulfur-resistant and hydrogen-resistant test is improved, and meanwhile, the oxygen-removing reaction is carried out on the reaction solution in the conveying process, and the preparation time of the sulfur-resistant and hydrogen-resistant test is further reduced.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of the installation structure of a reaction kettle according to the first embodiment of the present invention;
FIG. 3 is a schematic diagram of a connection relationship according to a first embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection relationship according to a second embodiment of the present invention;
FIG. 5 is a schematic perspective view of a liquid supply unit according to a second embodiment of the present invention;
FIG. 6 is a schematic diagram of an explosion structure of a liquid supply unit in a second embodiment of the present invention;
FIG. 7 is a schematic diagram of an explosion structure of a liquid supply tank in a second embodiment of the present invention;
fig. 8 is a schematic perspective view of a stopper in a second embodiment of the present invention;
FIG. 9 is a schematic perspective view of a quick-connect assembly according to a second embodiment of the present invention;
FIG. 10 is a schematic diagram of an explosion structure of a quick-connect assembly according to a second embodiment of the present invention;
FIG. 11 is a schematic perspective view of a quick-connect air inlet according to a second embodiment of the present invention;
FIG. 12 is a schematic perspective view of an annular flow passage according to an embodiment of the present invention;
fig. 13 is a schematic perspective view of a second piercing head according to a second embodiment of the present invention.
In the figure: 1. a reaction cabinet; 2. a reaction kettle; 3. a gas main flow passage; 4. a gas bypass flow path; 41. a second gas flow controller; 42. a first catcher; 43. a second catcher; 44. a waste discharging unit; 5. an air supply unit; 51. a gas supply cylinder; 52. a gas quick-connection valve; 6. a reaction main flow channel; 7. a reaction branch flow channel; 71. a liquid flow controller; 72. a discharge check valve; 8. a liquid supply unit; 81. a quick-connect assembly; 811. quickly connecting with a bracket; 812. quickly connecting with a base; 8121. a quick-connection slot; 8122. a guide chute; 8123. the air inlet is connected quickly; 8124. a liquid outlet is connected quickly; 8125. a liquid outlet groove; 8126. an annular flow passage; 813. a gas ring; 814. puncturing the first head; 815. puncturing the second head; 8151. an exhaust groove; 816. clamping the bracket; 817. a clamping block; 818. clamping the telescopic rod; 819. a return spring; 82. a liquid supply tank; 821. a tank body; 822. a tank opening; 823. a limiting block; 8231. an air guide hole; 82311. an air guide groove; 8232. a liquid discharge hole; 824. an air-introducing pipe; 8241. a bleed flange; 825. a limiting ring; 826. breaking the barrier; 83. and a first gas flow controller.
Detailed Description
So that the objects, technical solutions and advantages of the embodiments of the present disclosure are more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In a first embodiment, referring to fig. 1 to 3, the present invention provides a testing device for sulfur and hydrogen resistance, which includes a reaction cabinet 1, and the testing device further includes:
at least two sets of reaction kettles 2 fixed in the reaction cabinet body 1; wherein, reation kettle 2 has inlet end, the end of giving vent to anger, inlet end and play liquid end, and the reaction inlet end extends to the bottom that is close reation kettle 2, and but reation kettle 2's top switching, test sample can be placed in reation kettle 2 from the top.
The anaerobic solution conveying system is fixed in the reaction cabinet body 1 and is used for providing anaerobic solution for the reaction kettle 2;
the oxygen-free gas conveying system is fixed in the reaction cabinet body 1 and is used for providing test gas for the reaction kettle 2 and the oxygen-free solution conveying system;
the oxygen-free gas conveying system comprises a gas main runner 3, a gas supply unit 5 and at least two groups of gas branch runners 4 which are mutually connected in parallel, wherein the gas branch runners 4 are communicated with the gas main runner 3, the gas supply unit 5 is communicated with the gas main runner 3 in a detachable mode and provides test gas, and one set of reaction kettles 2 are communicated with one group of gas branch runners 4;
the anaerobic solution conveying system comprises a reaction main runner 6, a liquid supply unit 8 and at least two groups of reaction branch runners 7 which are mutually connected in parallel, wherein the reaction branch runners 7 are communicated with the reaction main runner 6, the liquid supply unit 8 is communicated with the reaction main runner 6 in a detachable mode and provides a test solution, and one group of reaction kettles 2 are communicated with one group of reaction branch runners 7;
the gas branch flow passages 4 are communicated with the liquid supply unit 8, and the gas branch flow passages 4 are used for providing test gas for the liquid supply unit 8, so that the test solution in the liquid supply unit 8 is sent into the reaction main flow passage 6 through the pressure of the test gas.
Specifically, after the reaction kettle 2 stores the test sample, the gas main runner 3 is communicated with a gas source, the detection gas enters the reaction kettle 2 through the gas branch runner 4, air in the reaction kettle 2 is discharged, the reaction main runner 6 is communicated with the liquid supply unit 8, the test solution enters the reaction kettle 2 through the reaction branch runner 7 until the test solution is introduced into a set capacity, after the set capacity is reached, the detection gas is introduced again, oxygen in the test solution is discharged, and the test is performed according to the subsequent test steps.
In general, the invention realizes the sulfur-resistant and hydrogen-resistant test by the cooperation of the reaction kettle 2, the anaerobic solution conveying system and the anaerobic gas conveying system, and utilizes the cooperation of the anaerobic solution conveying system and the anaerobic gas conveying system to carry out anaerobic conveying and storage on the reaction solution, thereby reducing the contact between the test solution and oxygen in the process of storage and conveying, reducing the preparation time of the sulfur-resistant and hydrogen-resistant test, improving the detection efficiency of the sulfur-resistant and hydrogen-resistant test, and simultaneously carrying out the oxygen-removing reaction on the reaction solution by the reaction gas in the conveying process, and further reducing the preparation time of the sulfur-resistant and hydrogen-resistant test.
In the second embodiment, referring to fig. 4 to 13, a sulfur-resistant and hydrogen-resistant testing device is further provided in this embodiment, and the specific structure of the sulfur-resistant and hydrogen-resistant testing device in this embodiment is substantially the same as the specific structure of the sulfur-resistant and hydrogen-resistant testing device in the first embodiment, and the differences between the two structures are that the sulfur-resistant and hydrogen-resistant testing device in this embodiment further includes the following specific structure compared with the sulfur-resistant and hydrogen-resistant testing device in the first embodiment.
In order to improve the test efficiency of the sulfur and hydrogen resistance test device, as shown in fig. 4 to 6, as an example, the gas supply unit 5 includes a gas supply bottle 51 and a gas quick-connection valve 52, one end of the gas quick-connection valve 52 is communicated with the gas supply bottle 51 in a quick-connection manner, and the other ends of the gas quick-connection valves 52 are all communicated with the gas branch flow passage 4. Wherein, the gas supply bottle 51 and the gas quick-connection valve 52 adopt a detachable structure, which is convenient for replacing the gas supply bottle 51, reduces the replacement time of the gas supply bottle 51 and improves the test efficiency of the sulfur-resistant and hydrogen-resistant test device; the gas supply bottle 51 can be replaced with a gas bottle of a different gas source, such as nitrogen or hydrogen sulfide gas, according to the test requirements of the sulfur-and hydrogen-resistant test.
In some alternative embodiments, the air supply unit 5 may preferably be a combination of one group, two groups or three groups, preferably a combination of two groups, and two air supply bottles 51 are provided, so that during the detection test, when the air in one air bottle is used up, the air in the second air bottle can be quickly replaced, thereby ensuring the supply stability of the test air and improving the detection precision and the test efficiency.
As an example, referring to fig. 4 to 6, the gas bypass flow channel 4 is further provided with a second gas flow controller 41, a first catcher 42, a second catcher 43 and a waste discharging unit 44, wherein one end of the second gas flow controller 41 is communicated with the gas quick-connection valve 52, the other end of the second gas flow controller 41 is communicated with the first catcher 42, the end of the first catcher 42 is communicated with the gas inlet end of the reaction kettle 2, one end of the second catcher 43 is communicated with the gas outlet end of the reaction kettle 2, and the other end of the second catcher 43 is communicated with the waste discharging unit 44.
Specifically, the first catcher 42 and the second catcher 43 are used for preventing the test solution from flowing backwards; the second gas flow controller 41 is used for controlling the flow of the test gas, and has good control precision; the waste discharge unit 44 can filter the test gas, and filter the harmful gas into harmless gas, for example, alkaline solution can be adopted, and the gas is absorbed by activated carbon and discharged to a waste gas pipeline of a factory after bubbling reaction of the alkaline solution.
As an example, as shown in fig. 4, the reaction branch flow channels 7 are respectively provided with a liquid flow controller 71 for controlling the flow of the test solution; a discharge one-way valve 72 is also arranged in the reaction branch flow passage 7, the discharge one-way valve 72 is communicated with the liquid outlet end of the reaction kettle 2, and the discharge of the test solution in the reaction kettle 2 is controlled. Specifically, the discharge check valve 72 is used to control the discharge of the test solution and to avoid the backflow of the test solution; the end of the discharge check valve 72 is also fitted with a waste tank for storing waste liquid.
In order to further reduce the contact between the test solution and the air, please refer to fig. 4 to 7, the liquid supply unit 8 includes a quick connection component 81, a liquid supply tank 82 and a first gas flow controller 83, the quick connection component 81 is fixedly installed outside the reaction cabinet 1, the liquid supply tank 82 is detachably connected with the quick connection component 81, the first gas flow controller 83 is disposed between the gas main flow channel 3 and the quick connection component 81 and is communicated with each other through a pipeline, the gas flow controller is mainly used for controlling the amount of the test gas entering the liquid supply tank 82, the reaction main flow channel 6 is communicated with the quick connection component 81 through a pipeline, the liquid supply tank 82 is used for providing the test solution, the air source provided by the air supply unit 5 enters the liquid supply tank 82 through the quick connection component 81, so that the test solution in the liquid supply tank 82 is fed into the reaction main flow channel 6, the contact between the test solution and the air in the liquid supply tank 82 is avoided, and the test efficiency is improved.
The liquid supply tank 82 comprises a tank body 821, a tank opening 822 is formed in the top of the tank body 821, a limiting block 823 is fixedly connected to the tank opening 822 in an inserting mode, an air guide hole 823 and at least one liquid discharge hole 8232 are formed in the surface of the limiting block 823, the end portion of the air guide pipe 824 is fixedly connected to the air guide hole 8231 in an inserting mode, a limiting ring 825 is fixedly sleeved on the outer wall of the tank opening 822 in a threaded mode, one end of the limiting ring 825 facing the tank opening 822 and one end of the limiting block 823 facing the limiting ring 825 are combined to form a limiting accommodating cavity, and a damage blocking piece 826 used for sealing the air guide hole 8231 and the liquid discharge hole 8232 is fixedly arranged in the limiting accommodating cavity in a compressing mode. Wherein, the damage blocking piece 826 can be made of a breakable corrosion-resistant material, such as a rubber material or a plastic material.
Specifically, when the test solution is filled, the air-inducing pipe 824 is inserted into the limiting block 823 to be fixed, the limiting block 823 is inserted into the tank opening 822 to be fixed, then the test solution is filled into the tank 821, the damage blocking piece 826 is placed at the upper end of the limiting block 823 after filling is completed, and finally the limiting ring 825 is screwed in until the damage blocking piece 826 is fixed; during the filling process, the can 821 is located in a space that is kept away from oxygen. This structure can save the test solution that the preparation was accomplished in the liquid feed tank 82, has reduced test solution and air and has contacted, and the installation of being convenient for has improved the assembly efficiency of liquid feed tank 82 to adopt disposable destruction to block piece 826, can be at the in-process of connection, the direct intercommunication jar body 821, further reduces the contact of test solution and air.
In order to facilitate the assembly of the liquid supply tank 82, the limit ring 825 is connected with the tank opening 822 in a threaded connection manner, the top of the air entraining pipe 824 is provided with an outwardly extending air entraining flange 8241, the air entraining hole 8231 is provided with an air guiding groove 82311 matched with the air entraining flange 8241 towards one end far away from the tank body 821, and the air entraining flange 8241 is inserted and fixed in the air guiding groove 82311. During assembly, the damage blocking piece 826 can be fixed by rotating the limiting ring 825, so that the fixing effect is good, and the installation is convenient; during assembly, the air entraining pipe 824 can be fixed in the air guide groove 823311 through the cooperation of the air entraining flange 8241 and the air guide groove 823311, so that quick insertion is facilitated.
In order to further reduce the contact between the test solution and the air, as shown in fig. 8 to 12, the quick-connection assembly 81 includes a quick-connection bracket 811, the quick-connection bracket 811 is fixedly connected with the reaction cabinet 1, a quick-connection base 812 is fixed on the quick-connection bracket 811, a quick-connection slot 8121 matched with a limit ring 825 is provided at one end of the quick-connection base 812 facing the liquid supply tank 82, the quick-connection slot 8121 can be vertically arranged, a guide chute 8122 is provided in the quick-connection slot 8121 along the insertion direction of the quick-connection slot 8121, a gas guide ring 813 is internally and slidably provided in the guide chute 8122, the gas guide ring 813 is attached to the outer wall of the guide chute 8122, the gas guide ring 813 and the limit block 823 are positioned at the same position, and the gas guide pipe 824 can be communicated with the gas guide ring 813; the gas guide ring 813 is internally provided with a first puncture head 814, the end part of the first puncture head 814 is fixed in the quick-connection slot 8121, when the liquid supply tank 82 is inserted, the first puncture head 814 punctures the damage blocking piece 826, and gas enters the gas guide pipe 824 from the rupture part so as to be communicated with the liquid supply tank 82; the outer wall of the quick-connection base 812 is provided with a quick-connection air inlet 8123 and a quick-connection liquid outlet 8124, the quick-connection air inlet 8123 is communicated with a guide chute 8122, one end of the quick-connection slot 8121, which faces the tank 821, is provided with at least one liquid outlet slot 8125, a puncture head II 815 is fixed in the liquid outlet slot 8125, when the liquid supply tank 82 is inserted, the puncture head II 815 punctures a damage blocking piece 826, and test solution flows out from the rupture to the liquid outlet slot 8125 and is sent into the reaction main flow channel 6 by the quick-connection liquid outlet 8124; the quick-connection liquid outlet 8124 is communicated with the liquid outlet groove 8125, and a clamping unit is arranged at the side part of the quick-connection base 812 and used for fixing the limiting ring 825.
As an example, the clamping unit includes a clamping bracket 816, a clamping block 817 and a clamping telescopic rod 818, the middle part of the clamping bracket 816 is fixed on the side part of the quick-connection base 812 through a rotating shaft connection mode, one end of the clamping telescopic rod 818 is connected with the clamping bracket 816 through a rotating shaft connection mode, the other end of the clamping telescopic rod 818 is connected with the quick-connection base 812 through a rotating shaft connection mode, and the clamping block 817 is fixed on the clamping bracket 816. When the liquid supply tank 82 is inserted into the quick connection base 812, the limit ring 825 is inserted into the quick connection slot 8121 until the upper end face of the limit ring 825 is flush with the upper end face of the quick connection base 812, at this time, the clamping telescopic rod 818 works, the telescopic end of the clamping telescopic rod 818 stretches out to drive the clamping bracket 816 to rotate, the clamping bracket 816 drives the clamping block 817 to move until the clamping block 817 moves to a set position, and abuts against the upper end of the limit ring 825, so that the liquid supply tank 82 is fixed.
In order to increase the outflow speed of the test solution, as shown in fig. 12, an annular flow passage 8126 is formed in the quick-connection base 812, and the liquid outlet groove 8125 is communicated with the annular flow passage 8126, so that the test solution can uniformly flow out through the annular passage, and smooth circulation of the test solution is ensured.
In order to increase the flow speed of the test gas, as shown in fig. 9 to 12, a return spring 819 is sleeved on the outer wall of the piercing head 814, one end of the return spring 819 abuts against the air ring 813, the other end of the return spring 819 abuts against the guide chute 8122, and the elastic force of the return spring 819 pushes the air ring 813 against the damage blocking piece 826, so that the air ring 813 is attached to the damage blocking piece 826 more closely, and side leakage of the test gas from the end surface is reduced.
In order to increase the flow rate of the test gas, as shown in fig. 13, a plurality of exhaust slots 8151 are axially formed on the outer wall of the second puncture head 815 along the second puncture head 815, and the exhaust slots 8151 can increase the exhaust area of the test gas, thereby increasing the flow rate of the test gas.
The test operation flow is as follows:
s1, placing a detection sample into a reaction kettle 2, and sealing the reaction kettle 2;
s2, opening the air supply unit 5, enabling a reaction air source to enter the air main runner 3 from the air supply unit 5, and then enter the reaction kettle 2 through the air branch runner 4 for a period of time until the air in the reaction kettle 2 is completely discharged;
s3, opening a first gas flow controller 83, enabling a reaction gas source to enter the liquid supply tank 82 from the gas branch flow channel 4, enabling a reaction solution in the liquid supply tank 82 to flow into the reaction main flow channel 6, and then entering the reaction kettle 2 through the reaction branch flow channel 7 for a period of time until the reaction solution reaches a set value;
s4, closing a first gas flow controller 83, continuously introducing a reaction gas source into the reaction kettle 2 for a period of time, and completely discharging oxygen in the reaction solution;
s5, testing the detection sample according to the test standard, and supplementing the reaction solution and the reaction gas until the test is completed.
In general, the invention can store the prepared test solution in the liquid supply tank 82, reduces the contact between the test solution and the air, is convenient for installation, improves the assembly efficiency of the liquid supply tank 82, and simultaneously utilizes the disposable damage blocking piece 826 to isolate the air, so that the test solution is directly communicated in the connection process of the liquid supply tank 82, and further reduces the contact between the test solution and the air.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a be applied to anti sulphur hydrogen test device, includes reaction cabinet body (1), its characterized in that, test device still includes:
at least two sets of reaction kettles (2) fixed in the reaction cabinet body (1);
the anaerobic solution conveying system is fixed in the reaction cabinet body (1) and is used for providing anaerobic solution for the reaction kettle (2);
the oxygen-free gas conveying system is fixed in the reaction cabinet body (1) and is used for providing test gas for the reaction kettle (2) and the oxygen-free solution conveying system;
the oxygen-free gas conveying system comprises a gas main runner (3), a gas supply unit (5) and at least two groups of gas branch runners (4) which are mutually connected in parallel, wherein the gas branch runners (4) are communicated with the gas main runner (3), the gas supply unit (5) is communicated with the gas main runner (3) in a detachable mode and provides test gas, and one group of reaction kettles (2) are communicated with one group of gas branch runners (4);
the anaerobic solution conveying system comprises a reaction main runner (6), a liquid supply unit (8) and at least two groups of reaction branch runners (7) which are mutually connected in parallel, wherein the reaction branch runners (7) are communicated with the reaction main runner (6), the liquid supply unit (8) is communicated with the reaction main runner (6) in a detachable mode and provides a test solution, and one group of reaction kettles (2) are communicated with one group of reaction branch runners (7);
the gas branch flow passages (4) are communicated with the liquid supply unit (8), and the gas branch flow passages (4) are used for providing test gas for the liquid supply unit (8) so that the test solution in the liquid supply unit (8) can be sent into the reaction main flow passage (6) through the pressure of the test gas.
2. The sulfur and hydrogen resistant test device of claim 1, wherein: the gas supply unit (5) comprises a gas supply bottle (51) and a gas quick-connection valve (52), one end of the gas quick-connection valve (52) is communicated with the gas supply bottle (51) in a quick-connection mode, and the other end of the gas quick-connection valve (52) is communicated with the gas branch flow passage (4).
3. The device for sulfur and hydrogen resistance testing according to claim 2, wherein: the gas branch flow channel (4) is further provided with a second gas flow controller (41), a first catcher (42), a second catcher (43) and a waste discharge unit (44), one end of the second gas flow controller (41) is communicated with a gas quick-connection valve (52), the other end of the second gas flow controller (41) is communicated with the first catcher (42), the end of the first catcher (42) is communicated with the gas inlet end of the reaction kettle (2), one end of the second catcher (43) is communicated with the gas outlet end of the reaction kettle (2), and the other end of the second catcher (43) is communicated with the waste discharge unit (44).
4. The sulfur and hydrogen resistant test device of claim 1, wherein: liquid flow controllers (71) for controlling the flow of the test solution are arranged in the reaction branch flow channels (7); and a discharge one-way valve (72) is further arranged in the reaction branch flow passage (7), and the discharge one-way valve (72) is communicated with the liquid outlet end of the reaction kettle (2) and controls the discharge of the test solution in the reaction kettle (2).
5. The sulfur and hydrogen resistant test device of claim 1, wherein: the liquid supply unit (8) comprises a quick connection component (81), a liquid supply tank (82) and a first gas flow controller (83), wherein the quick connection component (81) is fixedly arranged outside the reaction cabinet body (1), the liquid supply tank (82) is detachably connected with the quick connection component (81), the first gas flow controller (83) is arranged between the gas main runner (3) and the quick connection component (81), the reaction main runner (6) is communicated with the quick connection component (81) through a pipeline, and the liquid supply tank (82) is used for providing a test solution; the liquid supply tank (82) comprises a tank body (821), a tank opening (822) is formed in the top of the tank body (821), a limiting block (823) is fixedly inserted into the tank opening (822), an air guide pipe (824) is arranged in the tank body (821), an air guide hole (823) and at least one liquid discharge hole (8232) are formed in the surface of the limiting block (823), the end portion of the air guide pipe (824) is fixedly connected with the air guide hole (8231), a limiting ring (825) is fixed on the outer wall of the tank opening (822), one end of the limiting ring (825) facing the tank opening (822) and one end of the limiting block (823) facing the limiting ring (825) are combined to form a limiting accommodating cavity, and a damage blocking piece (826) for sealing the air guide hole (8231) and the liquid discharge hole (8232) is fixedly arranged in the limiting accommodating cavity in a pressing mode.
6. The sulfur and hydrogen resistant testing device of claim 5, wherein: the limiting ring (825) is connected with the tank opening (822) in a threaded connection mode, an outward extending air entraining flange (8241) is arranged at the top of the air entraining pipe (824), an air guide groove (82311) matched with the air entraining flange (8241) is formed in the direction of one end, far away from the tank body (821), of the air guide hole (8231), and the air entraining flange (8241) is inserted and fixed in the air guide groove (82311).
7. The sulfur and hydrogen resistant testing device of claim 5, wherein: the quick-connection assembly (81) comprises a quick-connection support (811), the quick-connection support (811) is fixedly connected with a reaction cabinet body (1), a quick-connection base (812) is fixedly arranged on the quick-connection support (811), a quick-connection slot (8121) matched with a limit ring (825) is formed in one end of the quick-connection base (812) towards a liquid supply tank (82), a guide chute (8122) is formed in the quick-connection slot (8121) along the insertion direction of the quick-connection slot (8121), an air guide ring (813) is arranged in the guide chute (8122) in a sliding manner, a first puncture head (814) is arranged in the air guide ring (813), the end portion of the first puncture head (814) is fixedly arranged in the quick-connection slot (8121), a quick-connection air inlet (8123) and a quick-connection liquid outlet (8124) are arranged on the outer wall of the quick-connection base (812), the quick-connection air inlet (8123) is communicated with the guide chute (8122), at least one end portion (8121) of the quick-connection slot (8121) towards the tank body is provided with at least one cut-connection unit (8125), and the first puncture head (8125) is fixedly connected with the first puncture head (8121), and the second puncture head (8125) is fixedly connected with the quick-connection unit (8125).
8. The device for sulfur and hydrogen resistance testing according to claim 7, wherein: an annular flow passage (8126) is formed in the quick-connection base (812), and the liquid outlet groove (8125) is communicated with the annular flow passage (8126).
9. The device for sulfur and hydrogen resistance testing according to claim 7, wherein: the outer wall of the first puncture head (814) is sleeved with a return spring (819), one end of the return spring (819) is abutted against the air guide ring (813), and the other end of the return spring (819) is abutted against the guide chute (8122).
10. The device for sulfur and hydrogen resistance testing according to claim 7, wherein: and a plurality of exhaust grooves (8151) are formed in the outer wall of the second puncture head (815) along the axial direction of the second puncture head (815).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311293805.5A CN117269035B (en) | 2023-10-09 | 2023-10-09 | Be applied to anti sulphur hydrogen resistance testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311293805.5A CN117269035B (en) | 2023-10-09 | 2023-10-09 | Be applied to anti sulphur hydrogen resistance testing arrangement |
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| CN117269035A true CN117269035A (en) | 2023-12-22 |
| CN117269035B CN117269035B (en) | 2024-02-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013124998A (en) * | 2011-12-16 | 2013-06-24 | Jfe Steel Corp | Hydrogen embrittlement resistance characteristic evaluation method for thin steel sheet |
| CN107764729A (en) * | 2017-11-25 | 2018-03-06 | 江苏容大材料腐蚀检验有限公司 | A kind of hydrogen induced cracking (HIC) experimental provision |
| KR20210069471A (en) * | 2019-12-03 | 2021-06-11 | 한국가스안전공사 | Test device for metallic materials resistant to hydrogen embrittlement |
| CN115808384A (en) * | 2021-09-13 | 2023-03-17 | 中国石油天然气股份有限公司 | Device and method for sulfur resistance evaluation test |
| CN116559057A (en) * | 2023-04-26 | 2023-08-08 | 西安交通大学 | Testing device and method under high-temperature high-pressure hydrogen corrosion and water oxygen corrosion environments |
-
2023
- 2023-10-09 CN CN202311293805.5A patent/CN117269035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013124998A (en) * | 2011-12-16 | 2013-06-24 | Jfe Steel Corp | Hydrogen embrittlement resistance characteristic evaluation method for thin steel sheet |
| CN107764729A (en) * | 2017-11-25 | 2018-03-06 | 江苏容大材料腐蚀检验有限公司 | A kind of hydrogen induced cracking (HIC) experimental provision |
| KR20210069471A (en) * | 2019-12-03 | 2021-06-11 | 한국가스안전공사 | Test device for metallic materials resistant to hydrogen embrittlement |
| CN115808384A (en) * | 2021-09-13 | 2023-03-17 | 中国石油天然气股份有限公司 | Device and method for sulfur resistance evaluation test |
| CN116559057A (en) * | 2023-04-26 | 2023-08-08 | 西安交通大学 | Testing device and method under high-temperature high-pressure hydrogen corrosion and water oxygen corrosion environments |
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| CN117269035B (en) | 2024-02-13 |
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