CN109444218B - Improved environment state simulation device in oxidation kinetics reaction and use method - Google Patents
Improved environment state simulation device in oxidation kinetics reaction and use method Download PDFInfo
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- CN109444218B CN109444218B CN201811539702.1A CN201811539702A CN109444218B CN 109444218 B CN109444218 B CN 109444218B CN 201811539702 A CN201811539702 A CN 201811539702A CN 109444218 B CN109444218 B CN 109444218B
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- 238000004088 simulation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 title abstract description 9
- 230000003647 oxidation Effects 0.000 title abstract description 9
- 238000007254 oxidation reaction Methods 0.000 title abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 446
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 224
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 166
- 239000001301 oxygen Substances 0.000 claims abstract description 166
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 166
- 239000007789 gas Substances 0.000 claims abstract description 39
- 230000007613 environmental effect Effects 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 description 21
- 239000011435 rock Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000003920 environmental process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
Abstract
An improved environment state simulation device in oxidation kinetics reaction and a use method thereof are provided, wherein the environment state simulation device comprises a system pressure control assembly, a nitrogen and oxygen content control assembly, a container assembly and a pipe fitting of a connecting assembly, the system pressure control assembly comprises a safety valve for adjusting pressure, a pressure display, an inflation valve and an air bag, and the nitrogen and oxygen content control assembly comprises a gas dispersing disc, a nitrogen throttle valve, an oxygen throttle valve, a nitrogen measuring electrode and an oxygen measuring electrode; the safety valve is communicated to the container assembly through a pipe fitting, the air bag is communicated to the pressure display and the inflation valve through a pipe fitting, the air dispersing disc is arranged in the container assembly and is communicated to the nitrogen throttle valve and the oxygen throttle valve outside the container assembly through the pipe fitting, and the nitrogen measuring electrode and the oxygen measuring electrode are respectively communicated to the container assembly through the pipe fitting; the device can mix nitrogen and oxygen with different contents, realizes the environmental state simulation of different nitrogen and oxygen contents under certain conditions, and realizes the accurate control of system pressure and the real-time quantitative control of the dissolved oxygen and the dissolved nitrogen contents of the system.
Description
Technical Field
The invention relates to the technical field of experimental devices, in particular to an improved environment state simulation device used in oxidation kinetics reaction of experimental researches such as ore chemical weathering and mineral oxidation and a use method thereof.
Background
Water is an important medium for connecting rock rings, atmospheric rings and biospheres, is a carrier for exchanging substances and energy of each ring layer, is used as a powerful geological force, and participates in various geological effects and ecological-environmental processes. The interaction of water and rock is the driving force of the evolution of the near-surface environment, and under the coupling effect of chemistry and mechanics, the stability of the stratum structure and the evolution of the groundwater environment are greatly influenced by the migration of groundwater solutes, the change of the stratum geological structure and the like of the water and rock system. The water-rock interaction, premised on the imbalance of chemicals or isotopes existing between fluid, groundwater and rock, is an unbalanced geochemical process, and the geochemical effect caused by this process is related to the differential behavior between minerals or elements in the same system, controlled by the chemical reaction rate and time scale.
The prior experimental device discloses devices of three experimental conditions of pure oxygen, pure nitrogen or mixed oxygen and nitrogen content of 50% respectively, and is more realistic in water-rock interaction environment, comprising control conditions of oxygen and nitrogen content of different proportions and content, but the prior device has great limitation on oxygen and nitrogen content, and can not regulate the pressure of an experimental system in an accurate pressure range.
Disclosure of Invention
The invention aims to provide an improved environment state simulation device in oxidation kinetics reaction and a use method thereof, which can mix nitrogen and oxygen in different proportions, regulate system pressure, realize environment state simulation of different nitrogen and oxygen contents under certain conditions, and realize accurate control of system pressure and real-time quantitative control of system dissolved oxygen and dissolved nitrogen contents.
Embodiments of the present invention are implemented as follows:
the environment state simulation device comprises a system pressure control assembly, a nitrogen and oxygen content control assembly, a container assembly and a pipe fitting of a connecting assembly, wherein the system pressure control assembly comprises a safety valve for adjusting pressure, a pressure display, an inflation valve and an air bag, and the nitrogen and oxygen content control assembly comprises a gas dispersing disc, a nitrogen throttle valve, an oxygen throttle valve, a nitrogen measuring electrode and an oxygen measuring electrode; the safety valve is communicated to the container assembly through the pipe fitting, the air bag is arranged in the container assembly, the air bag is communicated to the pressure display and the inflation valve outside the container assembly through the pipe fitting, the air dispersing disc is arranged in the container assembly and is communicated to the nitrogen throttle valve and the oxygen throttle valve outside the container assembly through the pipe fitting, the air dispersing disc can be replaced by a component for dispersing gas, and the nitrogen measuring electrode and the oxygen measuring electrode are respectively communicated to the bottom of the container assembly through the pipe fitting.
In a preferred embodiment of the present invention, the oxygen and nitrogen content of the container assembly is measured by the oxygen measuring electrode and the nitrogen measuring electrode and regulated by the oxygen throttle valve and the nitrogen throttle valve.
In a preferred embodiment of the present invention, the above-mentioned environmental condition simulation device further includes a control module, where the control module collects measured data of the oxygen measuring electrode and the nitrogen measuring electrode and controls the oxygen throttle valve and the nitrogen throttle valve through a PID algorithm.
In a preferred embodiment of the present invention, the container assembly is a closed container, and the pressure inside the container assembly is regulated by a safety valve and an inflation valve.
In a preferred embodiment of the present invention, the gas in the container assembly is exhausted through a safety valve, and the inflation valve adjusts the pressure in the airbag by inflating the airbag.
In a preferred embodiment of the present invention, the gas dispersing plate conveys nitrogen and oxygen from outside to inside of the container assembly through pipe members.
In a preferred embodiment of the present invention, the container assembly is a detachable structure, and the container assembly includes a container housing and a container docking portion that are detachable and connected.
A method of using an environmental condition simulation device, comprising the steps of:
s1, assembling and connecting each component of the device with a pipe fitting, introducing nitrogen into a container component through a nitrogen throttle valve, and reading the current system pressure through a pressure display;
s2, when the system pressure value is smaller than the pressure value of the experimental condition, opening an inflation valve to inflate the air bag until the system pressure value reaches a required value, when the system pressure value is higher than the pressure value of the experimental condition, closing the inflation valve, opening a safety valve to discharge nitrogen until the system pressure is stabilized at the required value;
s3, measuring nitrogen content data through a nitrogen measuring electrode, transmitting the data to a control module, calculating dissolved nitrogen content through the control module, and regulating nitrogen input quantity through a nitrogen throttle valve so as to control nitrogen content of the system;
and S4, introducing oxygen into the container assembly through the oxygen throttle valve, and repeating the steps S1-S3 until the nitrogen and oxygen in the container assembly are balanced to the values required by the experiment.
In the preferred embodiment of the invention, the pressure display and the inflation valve are replaced by a pressure switch, and the pressure in the air bag is regulated by setting a pressure threshold value through the pressure switch.
In a preferred embodiment of the present invention, the above-mentioned nitrogen and oxygen are introduced in sequence interchangeably; the pressure display is a digital display type pressure gauge, the charging valve is an air charging valve, and the container component is a distilled water bottle.
The beneficial effects of the invention are as follows:
the invention maintains the pressure in the system at experimental conditions through the pressure control assembly, accurately adjusts the pressure in the system through the pressure control assembly, adjusts the discharge of gas in the container through the safety valve, adjusts the air bag through the pressure display and the inflation valve to maintain the pressure in the system, measures the content of nitrogen and oxygen through the nitrogen and oxygen content control assembly, measures the content of nitrogen and oxygen through the nitrogen measuring electrode and the oxygen measuring electrode, adjusts the inflow flow of the nitrogen and the oxygen according to real-time data, and controls the content of the nitrogen and the oxygen to be in a certain proportion through the nitrogen throttle valve and the oxygen throttle valve; nitrogen and oxygen with different proportions can be mixed, the pressure of the system is regulated, and the environmental state simulation of different nitrogen and oxygen contents under certain conditions is realized; the device has the advantages that the device can realize accurate control of the system pressure and real-time quantitative control of the content of the dissolved oxygen and the dissolved nitrogen in the system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be considered as limiting the scope.
FIG. 1 is a schematic diagram of a first embodiment of an environmental condition simulation apparatus according to the present invention;
FIG. 2 is a schematic diagram of a second embodiment of an environmental condition simulation apparatus according to the present invention;
FIG. 3 is a schematic diagram of a third embodiment of an environmental condition simulation apparatus according to the present invention;
icon: 1-a system pressure control assembly; 101-a safety valve; 102-a pressure display; 103-an inflation valve; 104-an air bag; 2-nitrogen and oxygen content control components; 201-nitrogen throttle valve; 202-an oxygen throttle valve; 203-a nitrogen measuring electrode; 204-an oxygen measuring electrode; 205-an air dispersing disc; 301-a container housing; 302-container interface.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1, the present embodiment provides an improved environmental condition simulation device and a use method thereof in oxidation kinetics reaction, wherein the environmental condition simulation device comprises three parts and a pipe fitting connecting the parts: the system comprises a system pressure control assembly 1, a nitrogen and oxygen content control assembly 2, a container assembly and a pipe fitting, wherein the pipe fitting is a connecting pipe. The system pressure control assembly 1 comprises a safety valve 101, a pressure display 102, an inflation valve 103 and an airbag 104, wherein the safety valve 101 is externally connected to the top of the container assembly and can adjust pressure; the nitrogen and oxygen content control assembly 2 comprises a gas dispersing disc 205 arranged at the middle and lower parts of the container assembly, two adjustable flow valves (a nitrogen throttle valve 201 and an oxygen throttle valve 202) respectively connected to the tail part of the gas dispersing disc 205 through a nitrogen inlet pipeline and an oxygen inlet pipeline, a nitrogen measuring electrode 203 arranged at the bottom of the container assembly and used for measuring the nitrogen content, and an oxygen measuring electrode 204 used for measuring the oxygen content; the container assembly includes a container housing 301 and a container interface 302.
The system pressure control assembly 1 comprises a safety valve 101, a pressure display 102, an inflation valve 103 and an airbag 104, wherein the safety valve 101 is externally connected to the top of the container assembly, the pressure display 102 and the inflation valve 103 are connected to the airbag 104 through a connecting pipe, the pressure in the airbag 104 is the same as the pressure in the container assembly, the data of the pressure display 102 are read to obtain the pressure in the container assembly 103, the pressure display 102 is a digital display type pressure gauge, the airbag 104 is spherical, the safety valve 101 is communicated with the container assembly, and the safety valve 101 discharges the gas in the container to the outside of the container assembly so as to reduce the pressure in the container assembly and be used for adjusting the pressure balance between the inside of the container assembly and the airbag 104, so that the pressure in the container is maintained in an experimental range; the pressure display 102 and the inflation valve 103 are communicated with the inside of the airbag 104 through a connecting pipe, one end of the connecting pipe is connected with the airbag 104, the other end of the connecting pipe is connected with the pressure display 102 and the inflation valve 103, the airbag 104 is arranged in the container shell 301, and one end of the airbag 104 is connected to the pressure display 102 and the inflation valve 103 which are positioned outside the container shell 301 through the connecting pipe.
The nitrogen and oxygen content control assembly 2 comprises a gas dispersing disc 205 arranged at the middle and lower part of the container assembly, a nitrogen throttle valve 201 and an oxygen throttle valve 202 which are respectively connected to the tail part of the gas dispersing disc 205 through a nitrogen inlet pipeline and an oxygen inlet pipeline, a nitrogen measuring electrode 203 and an oxygen measuring electrode 204 which are respectively arranged at the bottom of the container assembly and are used for measuring nitrogen content, the gas dispersing disc 205 is arranged inside the container assembly, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively arranged outside the container assembly, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively connected to the gas dispersing disc 205 through connecting pipes, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively arranged on connecting pipes, one end of the nitrogen throttle valve 201 is connected to a gas supply end of nitrogen, one end of the oxygen throttle valve 202 is connected to a gas supply end of oxygen, the nitrogen measuring electrode 203 and the oxygen measuring electrode 204 are respectively used for respectively adjusting the nitrogen content and the oxygen content of nitrogen in the container assembly, and the nitrogen measuring electrode 203 and the oxygen content of the oxygen measuring electrode 204 are respectively used for respectively measuring the nitrogen content and the nitrogen content of the nitrogen content and the oxygen content of the oxygen in the container assembly, and the nitrogen throttle valve 203 and the nitrogen throttle valve and the oxygen measuring electrode 204 are respectively communicated with the inside the container assembly.
The container assembly is of a detachable structure and comprises a container shell 301 and a container butt joint part 302, the container assembly can be detached to clean the inside of the container periodically, the air dispersing disc 205 and the air bag 104 can be replaced conveniently, and after the cleaning and the replacement are finished, the container shell 301 and the container butt joint part 302 are mutually fixed and fastened to form a closed space; in this embodiment, the container housing 301 is an upper portion of the container assembly, the container docking portion 302 is located at a lower portion of the container assembly, the opening ends of the container housing 301 and the container docking portion 302 are circular, the opening end of the container housing 301 is provided with male threads, threads are provided on the inner side of the opening end of the container docking portion 302, the container housing 301 and the container docking portion 302 are matched with each other through the threads, and the container docking portion 302 is fixed with the container housing 301 after being rotated relative to the container housing 301.
The using method of the environment state simulation device comprises the following steps:
s1, assembling and connecting all components and pipe fittings of the device, firstly, introducing nitrogen into a container from a nitrogen inlet connecting pipe, introducing the nitrogen through a nitrogen throttle valve 201, adjusting the gas flow, and displaying the current system pressure value through a digital display pressure gauge;
s2, when the system pressure value is smaller than the pressure value of the experimental condition, opening an inflation valve 103 to inflate an airbag 104, increasing the pressure in the container until the system pressure value reaches a required value, when the system pressure value is higher than the pressure value of the experimental condition, closing the inflation valve 103, opening a safety valve 101 to discharge a small amount of nitrogen, and reducing the pressure in the container until the system pressure is stabilized at the required value;
s3, a measured nitrogen content data transmission control module is arranged at the bottom of the container assembly, the control module is used for calculating the dissolved nitrogen content in the container, a PID algorithm is used for calculating the nitrogen inflow amount, then the nitrogen inflow is regulated through a nitrogen throttle valve 201, the accurate control of the dissolved nitrogen content is used for regulating the nitrogen inflow amount through a nitrogen throttle valve 201 with adjustable flow rate, which is connected with a nitrogen inflow connecting pipe and a gas dispersing disc 205, so that the nitrogen content of the system is controlled;
and S4, introducing oxygen into the container assembly through the oxygen throttle valve 202, repeating S1-S3, and adjusting the oxygen content of the system until the nitrogen and oxygen in the container assembly are balanced to the values required by the experiment.
The working principle of the embodiment of the invention is as follows:
the pressure control component mainly controls the system pressure, controls the system pressure through a digital display pressure gauge, opens the inflation valve 103 when the pressure is lower than 0.203MPa, inflates the air bag 104, increases the pressure, closes the inflation valve 103 when the pressure is higher than 0.203MPa, and opens the adjustable pressure relief valve 101 until the system pressure is stabilized at 0.203MPa. The nitrogen and oxygen content control assembly 2 mainly controls the content of the dissolved oxygen and the content of the dissolved nitrogen of the system in real time according to the experimental condition. The data are respectively transmitted to the control module by measuring the dissolved nitrogen content electrode and the dissolved oxygen content electrode, PID algorithm is respectively adopted for the dissolved nitrogen and the dissolved oxygen, each adjustable flow valve comprising a nitrogen throttle valve 201 and an oxygen throttle valve 202 is accurately controlled, and the flow of the gas introduced into the nitrogen and the oxygen is adjusted by the nitrogen throttle valve 201 and the oxygen throttle valve 202, so that the content of the nitrogen and the oxygen in the system is controlled.
Examples
Referring to fig. 2, the present embodiment provides an improved environmental condition simulation device and a use method thereof in oxidation kinetics reaction, wherein the environmental condition simulation device comprises three parts and a pipe connecting the parts: the system comprises a system pressure control assembly 1, a nitrogen and oxygen content control assembly 2, a container assembly and a pipe fitting, wherein the pipe fitting is a connecting pipe. The system pressure control assembly 1 comprises a safety valve 101, a pressure display 102, an inflation valve 103 and an airbag 104, wherein the safety valve 101 is externally connected to the top of the container assembly and can adjust pressure; the nitrogen and oxygen content control assembly 2 comprises two adjustable flow valves (a nitrogen throttle valve 201 and an oxygen throttle valve 202) which are respectively connected to the tail part of the air dispersing disc 205 through a nitrogen inlet pipeline and an oxygen inlet pipeline, a nitrogen measuring electrode 203 for measuring nitrogen content and an oxygen measuring electrode 204 for measuring oxygen content, wherein the nitrogen measuring electrode 203 and the oxygen measuring electrode 204 are arranged at the bottom of the container assembly; the container assembly includes a container housing 301 and a container interface 302.
The second embodiment is partially identical to the first embodiment except for the detachable structure of the container housing 301 and the container docking portion 302, the connection position of the safety valve 101, and the omission of the air dispersion plate 205.
The system pressure control assembly 1 comprises a safety valve 101, a pressure display 102, an inflation valve 103 and an airbag 104, wherein the safety valve 101 is externally connected to the top of the container assembly, the airbag 104 is internally connected to the top of the container assembly, the safety valve 101 is connected to the container assembly through a connecting pipe, the pressure display 102 and the inflation valve 103 are connected to the container assembly through the same connecting pipe, the pressure in the airbag 104 is the same as the pressure in the container assembly, the data of the pressure display 102 are read to obtain the pressure in the container assembly 103, the pressure display 102 is a digital display type pressure gauge, the airbag 104 is spherical, the safety valve 101 is communicated with the container assembly, and the safety valve 101 discharges the gas in the container to the outside of the container assembly so as to reduce the pressure in the container assembly and be used for adjusting the pressure balance between the inside of the container assembly and the airbag 104, and the pressure in the container is maintained in an experimental range; the pressure display 102 and the inflation valve 103 are communicated with the inside of the airbag 104 through a connecting pipe, one end of the connecting pipe is connected with the airbag 104, the other end of the connecting pipe is connected with the pressure display 102 and the inflation valve 103, the airbag 104 is arranged in the container shell 301, and one end of the airbag 104 is connected to the pressure display 102 and the inflation valve 103 which are positioned outside the container shell 301 through the connecting pipe.
The nitrogen and oxygen content control assembly 2 comprises a nitrogen throttle valve 201 and an oxygen throttle valve 202 which are respectively connected to the tail of the air dispersing disc 205 through a nitrogen inlet pipeline and an oxygen inlet pipeline, a nitrogen measuring electrode 203 and an oxygen measuring electrode 204 which are arranged at the bottom of the container assembly and used for measuring the nitrogen content, one end of a connecting pipe is communicated with the nitrogen throttle valve 201 and the oxygen throttle valve 202, the other end of the connecting pipe is communicated with the inside of the container, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively arranged outside the container assembly, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively communicated into the container through connecting pipes, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively arranged on connecting pipes, one end of the nitrogen throttle valve 201 is connected to a gas supply end of nitrogen, one end of the oxygen throttle valve 202 is connected to a gas supply end of oxygen, the nitrogen throttle valve 201 and the oxygen measuring electrode 204 are respectively used for adjusting the nitrogen content and the oxygen content of the nitrogen in the container assembly, and the nitrogen measuring electrode 203 and the oxygen content of the oxygen measuring electrode 204 are respectively communicated with the inside of the container assembly.
The container assembly is of a detachable structure and comprises a container shell 301 and a container butt joint part 302, the container assembly can be detached to clean the inside of the container periodically, the air bag 104 is convenient to replace, and after the cleaning and the replacement are finished, the container shell 301 and the container butt joint part 302 are mutually fixed and fastened to form a closed space; in this embodiment, the container housing 301 is an upper portion of the container assembly, the container docking portion 302 is located at a lower portion of the container assembly, fixing blocks with opposite positions are respectively disposed on the outside of the container housing 301 and the outside of the container docking portion 302, through holes communicating two sides of the fixing blocks are disposed on the fixing blocks of the container housing 301, through holes communicating two sides of the fixing blocks of the container docking portion 302 are disposed on the fixing blocks of the container docking portion 302, the container housing 301 and the container docking portion 302 are mutually fixed through bolts, and after the container docking portion 302 is docked with the container housing 301, the fixing blocks are mutually close and are fixed through bolts.
The method for using the environment state simulation device 100 comprises the following steps:
s1, assembling and connecting all components and pipe fittings of the device, firstly, introducing nitrogen into a container from a nitrogen inlet connecting pipe, introducing the nitrogen through a nitrogen throttle valve 201, adjusting the gas flow, and displaying the current system pressure value through a digital display pressure gauge;
s2, when the system pressure value is smaller than the pressure value of the experimental condition, opening an inflation valve 103 to inflate an airbag 104, increasing the pressure in the container until the system pressure value reaches a required value, when the system pressure value is higher than the pressure value of the experimental condition, closing the inflation valve 103, opening a safety valve 101 to discharge a small amount of nitrogen, and reducing the pressure in the container until the system pressure is stabilized at the required value;
s3, a measured nitrogen content data transmission control module is arranged at the bottom of the container assembly, the control module is used for calculating the dissolved nitrogen content in the container, a PID algorithm is used for calculating the nitrogen inflow amount, then the nitrogen inflow is regulated through a nitrogen throttle valve 201, the accurate control of the dissolved nitrogen content is used for regulating the nitrogen inflow amount through a nitrogen throttle valve 201 which is connected with a nitrogen inflow connecting pipe and can regulate the flow rate, and therefore the nitrogen content of the system is controlled;
and S4, introducing oxygen into the container assembly through the oxygen throttle valve 202, repeating S1-S3, and adjusting the oxygen content of the system until the nitrogen and oxygen in the container assembly are balanced to the values required by the experiment.
The working principle of the embodiment of the invention is as follows:
the pressure control component mainly controls the system pressure, controls the system pressure through a digital display pressure gauge, opens the inflation valve 103 when the pressure is lower than 0.310MPa, inflates the air bag 104, increases the pressure, closes the inflation valve 103 when the pressure is higher than 0.310MPa, and opens the adjustable pressure relief valve 101 until the system pressure is stabilized at 0.310MPa. The nitrogen and oxygen content control assembly 2 mainly controls the content of the dissolved oxygen and the content of the dissolved nitrogen of the system in real time according to the experimental condition. The data are respectively transmitted to the control module by measuring the dissolved nitrogen content electrode and the dissolved oxygen content electrode, PID algorithm is respectively adopted for the dissolved nitrogen and the dissolved oxygen, each adjustable flow valve comprising a nitrogen throttle valve 201 and an oxygen throttle valve 202 is accurately controlled, and the flow of the gas introduced into the nitrogen and the oxygen is adjusted by the nitrogen throttle valve 201 and the oxygen throttle valve 202, so that the content of the nitrogen and the oxygen in the system is controlled.
Examples
Referring to fig. 3, the present embodiment provides an improved environmental condition simulation device and a use method thereof in oxidation kinetics reaction, wherein the environmental condition simulation device comprises three parts and a pipe fitting connecting the parts: the system comprises a system pressure control assembly 1, a nitrogen and oxygen content control assembly 2, a container assembly and a pipe fitting, wherein the pipe fitting is a connecting pipe. The system pressure control assembly 1 comprises a pressure-adjustable safety valve 101 externally connected to the top of the container assembly, a pressure switch and an air bag 104 internally connected to the top of the container assembly; the nitrogen and oxygen content control assembly 2 comprises a gas dispersing disc 205 arranged at the middle and lower parts of the container assembly, two adjustable flow valves (a nitrogen throttle valve 201 and an oxygen throttle valve 202) respectively connected to the tail part of the gas dispersing disc 205 through a nitrogen inlet pipeline and an oxygen inlet pipeline, a nitrogen measuring electrode 203 arranged at the bottom of the container assembly and used for measuring the nitrogen content, and an oxygen measuring electrode 204 used for measuring the oxygen content; the container assembly includes a container housing 301 and a container interface 302.
The third embodiment is partially identical to the first embodiment except for the detachable structure of the container housing 301 and the container docking portion 302, the connection position of the relief valve 101, and the arrangement of the system pressure control assembly 1.
The system pressure control assembly 1 comprises a safety valve 101, a pressure switch and an air bag 104, wherein the safety valve 101 is externally connected to the top of the container assembly, the air bag 104 is internally connected to the top of the container assembly, the safety valve 101 is connected to the container assembly through a connecting pipe, a pressure display 102 and an inflation valve 103 are connected to the container assembly through the same connecting pipe, the pressure in the air bag 104 is the same as the pressure in the container assembly, the data of the pressure display 102 are read to obtain the pressure in the container assembly 103, the pressure switch is a switch with a pressure threshold, the air bag 104 is in a square three-dimensional shape, the switch state is switched by setting the pressure threshold, the safety valve 101 is communicated with the container assembly, and the safety valve 101 discharges the gas in the container to the outside of the container assembly so as to reduce the pressure in the container assembly and is used for adjusting the pressure balance between the pressure in the container assembly and the air bag 104, and the pressure in the container is maintained in an experimental range; the pressure switch is communicated with the inside of the air bag 104 through a connecting pipe, one end of the connecting pipe is connected with the air bag 104, the other end of the connecting pipe is connected with the pressure switch, the air bag 104 is arranged in the container shell 301, and one end of the air bag 104 is connected to the pressure switch positioned outside the container shell 301 through the connecting pipe; after the pressure switch is set, the pressure in the air bag 104 is maintained in a certain range, and when the pressure in the container is smaller than the threshold value, the pressure switch is automatically opened and injects external gas into the air bag 104, so that the internal pressure of the air bag 104 is increased.
The nitrogen and oxygen content control assembly 2 comprises a gas dispersing disc 205 arranged at the middle and lower part of the container assembly, a nitrogen throttle valve 201 and an oxygen throttle valve 202 which are respectively connected to the tail part of the gas dispersing disc 205 through a nitrogen inlet pipeline and an oxygen inlet pipeline, a nitrogen measuring electrode 203 and an oxygen measuring electrode 204 which are respectively arranged at the bottom of the container assembly and are used for measuring nitrogen content, the gas dispersing disc 205 is arranged inside the container assembly, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively arranged outside the container assembly, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively connected to the gas dispersing disc 205 through connecting pipes, the nitrogen throttle valve 201 and the oxygen throttle valve 202 are respectively arranged on connecting pipes, one end of the nitrogen throttle valve 201 is connected to a gas supply end of nitrogen, one end of the oxygen throttle valve 202 is connected to a gas supply end of oxygen, the nitrogen measuring electrode 203 and the oxygen measuring electrode 204 are respectively used for respectively adjusting the nitrogen content and the oxygen content of nitrogen in the container assembly, and the nitrogen measuring electrode 203 and the oxygen content of the oxygen measuring electrode 204 are respectively used for respectively measuring the nitrogen content and the nitrogen content of the nitrogen content and the oxygen content of the oxygen in the container assembly, and the nitrogen throttle valve 203 and the nitrogen throttle valve and the oxygen measuring electrode 204 are respectively communicated with the inside the container assembly.
The container assembly is of a detachable structure and comprises a container shell 301 and a container butt joint part 302, the container assembly can be detached to clean the inside of the container periodically, the air dispersing disc 205 and the air bag 104 can be replaced conveniently, and after the cleaning and the replacement are finished, the container shell 301 and the container butt joint part 302 are mutually fixed and fastened to form a closed space; in this embodiment, the container housing 301 is an upper portion of the container assembly 3, the container docking portion 302 is located at a lower portion of the container assembly, the opening ends of the container housing 301 and the container docking portion 302 are circular, the outer wall of the opening end of the container housing 301 is provided with a convex connection block, the outer wall of the opening end of the container docking portion 302 is provided with a buckle, the buckle and the connection block are clamped with each other in a rotating manner, the container housing 301 and the container docking portion 302 are fastened with each other through the buckle and the connection block, the buckle and the connection block are matched with each other, when in use, the container docking portion 302 is docked to the bottom of the container housing 301, the container housing 301 and the container docking portion 302 are formed into a whole, and then the container housing 301 and the container docking portion 302 are fixed by pressing the buckle to rotate.
The using method of the environment state simulation device comprises the following steps:
s1, assembling and connecting all components and pipe fittings of the device, firstly, introducing nitrogen into a container from a nitrogen inlet connecting pipe, introducing the nitrogen through a nitrogen throttle valve 201, adjusting the flow of the gas, and displaying the current system pressure value through a pressure switch;
s2, when the system pressure value is smaller than the pressure value of the experimental condition, the pressure switch is automatically opened and inflates the air bag 104, the pressure in the container is increased until the system pressure value reaches a required value, when the system pressure value is higher than the pressure value of the experimental condition, the pressure switch is automatically closed, the safety valve 101 is opened to discharge a small amount of nitrogen, and the pressure in the container is reduced until the system pressure is stabilized at the required value;
s3, a measured nitrogen content data transmission control module is arranged at the bottom of the container assembly, the control module is used for calculating the dissolved nitrogen content in the container, a PID algorithm is used for calculating the nitrogen inflow amount, then the nitrogen inflow is regulated through a nitrogen throttle valve 201, the accurate control of the dissolved nitrogen content is used for regulating the nitrogen inflow amount through a nitrogen throttle valve 201 with adjustable flow rate, which is connected with a nitrogen inflow connecting pipe and a gas dispersing disc 205, so that the nitrogen content of the system is controlled;
and S4, introducing oxygen into the container assembly through the oxygen throttle valve 202, repeating S1-S3, and adjusting the oxygen content of the system until the nitrogen and oxygen in the container assembly are balanced to the values required by the experiment.
The working principle of the embodiment of the invention is as follows:
the pressure control component mainly controls the system pressure, the system pressure is controlled through the digital display pressure gauge, when the pressure is lower than 0.255MPa, the pressure switch is automatically opened to charge the air bag 104, the pressure is increased, when the pressure is higher than 0.255MPa, the pressure switch is automatically closed, and the adjustable pressure safety valve 101 is opened until the system pressure is stabilized at 0.255MPa. The nitrogen and oxygen content control assembly 2 mainly controls the content of the dissolved oxygen and the content of the dissolved nitrogen of the system in real time according to the experimental condition. The data are respectively transmitted to the control module by measuring the dissolved nitrogen content electrode and the dissolved oxygen content electrode, PID algorithm is respectively adopted for the dissolved nitrogen and the dissolved oxygen, each adjustable flow valve comprising a nitrogen throttle valve 201 and an oxygen throttle valve 202 is accurately controlled, and the flow of the gas introduced into the nitrogen and the oxygen is adjusted by the nitrogen throttle valve 201 and the oxygen throttle valve 202, so that the content of the nitrogen and the oxygen in the system is controlled.
In summary, the pressure control component is used for maintaining the pressure in the system at experimental conditions, the pressure control component is used for accurately adjusting the pressure in the system, the nitrogen and oxygen content is measured through the nitrogen and oxygen content control component, and the flow of the nitrogen and oxygen is adjusted; the nitrogen and the oxygen with different proportions can be mixed, the pressure of the system is regulated, and the environmental state simulation of different nitrogen and oxygen contents under certain conditions is realized.
This description describes examples of embodiments of the invention and is not intended to illustrate and describe all possible forms of the invention. Those of ordinary skill in the art will recognize that the embodiments described herein are for the purpose of aiding the reader in understanding the principles of the present invention and should be understood that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (4)
1. The environment state simulation device is characterized by comprising a system pressure control assembly, a nitrogen and oxygen content control assembly, a container assembly and a pipe fitting of a connecting assembly, wherein the system pressure control assembly comprises a safety valve for adjusting pressure, a pressure display, an inflation valve and an air bag, and the nitrogen and oxygen content control assembly comprises a gas dispersing disc, a nitrogen throttle valve, an oxygen throttle valve, a nitrogen measuring electrode and an oxygen measuring electrode; the safety valve is communicated to the container assembly through a pipe fitting, the air bag is arranged in the container assembly, the air bag is communicated to the pressure display and the inflation valve outside the container assembly through the pipe fitting, the air dispersing disc is arranged in the container assembly and is communicated to the nitrogen throttle valve and the oxygen throttle valve outside the container assembly through the pipe fitting, the air dispersing disc can be replaced by a component for dispersing gas, and the nitrogen measuring electrode and the oxygen measuring electrode are respectively communicated to the bottom of the container assembly through the pipe fitting;
the oxygen and nitrogen content in the container assembly is measured by the oxygen measuring electrode and the nitrogen measuring electrode and is regulated by the oxygen throttle valve and the nitrogen throttle valve;
the environmental state simulation device also comprises a control module, wherein the control module collects measured data of the oxygen measuring electrode and the nitrogen measuring electrode and controls the oxygen throttle valve and the nitrogen throttle valve through a PID algorithm;
the container assembly is a closed container, and the pressure inside the container assembly is regulated through the safety valve and the inflation valve;
the gas in the container assembly is discharged through the safety valve, and the inflation valve adjusts the pressure in the air bag through inflating the air bag;
the air dispersing disc conveys nitrogen and oxygen from outside to inside of the container assembly through a pipe fitting;
the container assembly is of a detachable structure and comprises a detachable and connected container shell and a container butt joint part, the container assembly can be detached to clean the inside of a container periodically, the air dispersing disc and the air bag are convenient to replace, and the container shell and the container butt joint part are mutually fixed and fastened after the cleaning and the replacement are finished, so that a closed space is formed; the container shell is the upper portion of container subassembly, and the lower part of container subassembly is located in the container butt joint, and the open end of container shell and container butt joint portion is circular, and this open end of container shell is provided with the evagination screw thread, and this open end inboard of container butt joint portion is provided with the screw thread, and container shell and container butt joint portion pass through the screw thread and match each other, and container butt joint portion is fixed with the container shell each other after rotating for the container shell.
2. The method of using an environmental condition simulation apparatus according to claim 1, comprising the steps of:
s1, assembling and connecting each component of the device with a pipe fitting, introducing nitrogen into a container component through a nitrogen throttle valve, and reading the current system pressure through a pressure display;
s2, when the system pressure value is smaller than the pressure value of the experimental condition, opening an inflation valve to inflate the air bag until the system pressure value reaches a required value, when the system pressure value is higher than the pressure value of the experimental condition, closing the inflation valve, opening a safety valve to discharge nitrogen until the system pressure is stabilized at the required value;
s3, measuring nitrogen content data through a nitrogen measuring electrode, transmitting the data to a control module, calculating dissolved nitrogen content through the control module, and regulating nitrogen input quantity through a nitrogen throttle valve so as to control nitrogen content of the system;
and S4, introducing oxygen into the container assembly through an oxygen throttle valve, and repeating the steps S1 to S3 until the nitrogen and oxygen in the container assembly are balanced to the values required by the experiment.
3. The method of claim 2, wherein the pressure display and the inflation valve are replaced with a pressure switch, and the pressure in the bladder is adjusted by setting a pressure threshold through the pressure switch.
4. The method of claim 2, wherein the sequence of the introduction of nitrogen and oxygen is interchangeable; the pressure display is a digital display type pressure gauge, the charging valve is an electronic valve, and the container component is a distilled water bottle.
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| CN112410216A (en) * | 2020-10-21 | 2021-02-26 | 英诺维尔智能科技（苏州）有限公司 | Method for dynamically adjusting dissolved oxygen in reactor by using nitrogen and oxygen |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB684865A (en) * | 1950-05-25 | 1952-12-24 | British Aluminium Co Ltd | Improvements in the determination of the gas content of liquid metals |
| GB798561A (en) * | 1955-01-27 | 1958-07-23 | Arnold St Jacques Lee | Improvements in or relating to apparatus for the administration of substances to living subjects |
| DE29504086U1 (en) * | 1995-03-10 | 1995-07-06 | Palocz Andresen Michael Dr Ing | Micro calibration device for gas analyzers |
| DE10010562A1 (en) * | 2000-03-03 | 2001-09-06 | Rainer Gorris | Measuring the oxygen content in container comprises completely adjusting pressure of reference gas in reference gas chamber to pressure in measuring gas chamber, and keeping pressure difference low |
| CN1403803A (en) * | 2001-09-06 | 2003-03-19 | 中国科学院地理科学与资源研究所 | Oxygen content measurer for loose solid medium |
| CN1854596A (en) * | 2005-04-25 | 2006-11-01 | 梅塞尔集团有限公司 | System and method for filling a vessel with a gas or a gas mixture |
| CN201199326Y (en) * | 2008-04-29 | 2009-02-25 | 华东理工大学 | Automation observe and control system for gas separation experimental equipment |
| CN101974659A (en) * | 2010-11-15 | 2011-02-16 | 中冶南方工程技术有限公司 | Air bag type pressure regulating device for material feeding operation of high-pressure smelting furnace |
| CN102826667A (en) * | 2012-08-28 | 2012-12-19 | 王曙光 | Multifunctional emergency gas energy water purification system |
| CN102921338A (en) * | 2012-10-26 | 2013-02-13 | 上海天科化工检测有限公司 | Preparation device of trace component in normal-pressure balance stage-by-stage constant volume type gases |
| CN202994715U (en) * | 2012-12-14 | 2013-06-12 | 中国石油大学(华东) | Double-cell test device for hydrogen penetration of metal |
| CN103542915A (en) * | 2013-10-31 | 2014-01-29 | 湖南省计量检测研究院 | Gas small flow standard device |
| CN103969315A (en) * | 2014-05-09 | 2014-08-06 | 南通亚泰船舶工程有限公司 | Denitration catalyst detection device and method |
| CN105584983A (en) * | 2014-10-21 | 2016-05-18 | 中国石油化工股份有限公司 | Airtight feeding and discharging device for volatile media and use method thereof |
| CN106137453A (en) * | 2016-08-29 | 2016-11-23 | 叶贤伟 | A kind of Real-time Feedback multi-mode oxygen control system |
| CN106970659A (en) * | 2017-03-28 | 2017-07-21 | 中国科学院南京地质古生物研究所 | The voltage regulation of voltage regulation design of constant pressure reaction vessel |
| CN108119749A (en) * | 2017-12-20 | 2018-06-05 | 国网河北省电力有限公司电力科学研究院 | A kind of SF6And N2Mixed gas air charging system and accurate inflation method |
| CN207717720U (en) * | 2018-01-23 | 2018-08-10 | 河南中分仪器股份有限公司 | Gasbag-type Fuel Tanking Unit |
| CN207918668U (en) * | 2018-01-24 | 2018-09-28 | 河北视窗玻璃有限公司 | Glass total oxygen kiln atmosphere control system and glass total oxygen kiln |
| CN108827679A (en) * | 2018-06-15 | 2018-11-16 | 中国航天员科研训练中心 | A kind of inflating pressure thermo-structural experiment device and method of space environmental simulation |
| CN209673699U (en) * | 2018-12-17 | 2019-11-22 | 西南科技大学 | Improved ambient condition simulator in a kind of reaction of oxidation kinetics |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9921193B2 (en) * | 2013-03-14 | 2018-03-20 | Bio-Rad Laboratories, Inc. | Bottle pressurization delivery system |
-
2018
- 2018-12-17 CN CN201811539702.1A patent/CN109444218B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB684865A (en) * | 1950-05-25 | 1952-12-24 | British Aluminium Co Ltd | Improvements in the determination of the gas content of liquid metals |
| GB798561A (en) * | 1955-01-27 | 1958-07-23 | Arnold St Jacques Lee | Improvements in or relating to apparatus for the administration of substances to living subjects |
| DE29504086U1 (en) * | 1995-03-10 | 1995-07-06 | Palocz Andresen Michael Dr Ing | Micro calibration device for gas analyzers |
| DE10010562A1 (en) * | 2000-03-03 | 2001-09-06 | Rainer Gorris | Measuring the oxygen content in container comprises completely adjusting pressure of reference gas in reference gas chamber to pressure in measuring gas chamber, and keeping pressure difference low |
| CN1403803A (en) * | 2001-09-06 | 2003-03-19 | 中国科学院地理科学与资源研究所 | Oxygen content measurer for loose solid medium |
| CN1854596A (en) * | 2005-04-25 | 2006-11-01 | 梅塞尔集团有限公司 | System and method for filling a vessel with a gas or a gas mixture |
| CN201199326Y (en) * | 2008-04-29 | 2009-02-25 | 华东理工大学 | Automation observe and control system for gas separation experimental equipment |
| CN101974659A (en) * | 2010-11-15 | 2011-02-16 | 中冶南方工程技术有限公司 | Air bag type pressure regulating device for material feeding operation of high-pressure smelting furnace |
| CN102826667A (en) * | 2012-08-28 | 2012-12-19 | 王曙光 | Multifunctional emergency gas energy water purification system |
| CN102921338A (en) * | 2012-10-26 | 2013-02-13 | 上海天科化工检测有限公司 | Preparation device of trace component in normal-pressure balance stage-by-stage constant volume type gases |
| CN202994715U (en) * | 2012-12-14 | 2013-06-12 | 中国石油大学(华东) | Double-cell test device for hydrogen penetration of metal |
| CN103542915A (en) * | 2013-10-31 | 2014-01-29 | 湖南省计量检测研究院 | Gas small flow standard device |
| CN103969315A (en) * | 2014-05-09 | 2014-08-06 | 南通亚泰船舶工程有限公司 | Denitration catalyst detection device and method |
| CN105584983A (en) * | 2014-10-21 | 2016-05-18 | 中国石油化工股份有限公司 | Airtight feeding and discharging device for volatile media and use method thereof |
| CN106137453A (en) * | 2016-08-29 | 2016-11-23 | 叶贤伟 | A kind of Real-time Feedback multi-mode oxygen control system |
| CN106970659A (en) * | 2017-03-28 | 2017-07-21 | 中国科学院南京地质古生物研究所 | The voltage regulation of voltage regulation design of constant pressure reaction vessel |
| CN108119749A (en) * | 2017-12-20 | 2018-06-05 | 国网河北省电力有限公司电力科学研究院 | A kind of SF6And N2Mixed gas air charging system and accurate inflation method |
| CN207717720U (en) * | 2018-01-23 | 2018-08-10 | 河南中分仪器股份有限公司 | Gasbag-type Fuel Tanking Unit |
| CN207918668U (en) * | 2018-01-24 | 2018-09-28 | 河北视窗玻璃有限公司 | Glass total oxygen kiln atmosphere control system and glass total oxygen kiln |
| CN108827679A (en) * | 2018-06-15 | 2018-11-16 | 中国航天员科研训练中心 | A kind of inflating pressure thermo-structural experiment device and method of space environmental simulation |
| CN209673699U (en) * | 2018-12-17 | 2019-11-22 | 西南科技大学 | Improved ambient condition simulator in a kind of reaction of oxidation kinetics |
Non-Patent Citations (2)
| Title |
|---|
| 一种基于虚拟仪器的气动力伺服控制系统;熊瑞平, 殷国富, 张成孝;机床与液压;20040630(06);第41-43页 * |
| 充气欠平衡钻井技术在煤层气井的应用;王帅;《内蒙古石油化工》;20140228;第93-96页 * |
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