CN218995137U - Dual-mode full-range oxygen-nitrogen-hydrogen analyzer - Google Patents
Dual-mode full-range oxygen-nitrogen-hydrogen analyzer Download PDFInfo
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- CN218995137U CN218995137U CN202220383379.9U CN202220383379U CN218995137U CN 218995137 U CN218995137 U CN 218995137U CN 202220383379 U CN202220383379 U CN 202220383379U CN 218995137 U CN218995137 U CN 218995137U
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Abstract
The utility model provides a dual-mode full-range oxygen-nitrogen-hydrogen analyzer, relates to the technical field of oxygen-nitrogen-hydrogen analyzers, and solves the problems of low automation degree and inaccurate analysis of the existing oxygen-hydrogen-nitrogen analyzer, and comprises an electronic balance, an analysis host, a computer and a printer; the analysis host is connected with the computer through the power controller and the air path controller, and is connected with the water chiller which is controlled by the computer. The method comprisesThe utility model utilizes the temperature of a pulse furnace heating device to reach 2000 ℃ to 3000 ℃, nitrogen in the sample is released, the percentage content of oxygen and the percentage content of hydrogen in the measured sample are indirectly determined through an infrared hydrogen measuring analysis tank and an infrared oxygen measuring analysis tank respectively, and finally the percentage content of hydrogen in the measured sample is determined through CO 2 The treatment device enables CO in the gas 2 The percentage content of nitrogen is determined by the thermal conductivity detection pool after filtering, and the accuracy of analysis can be effectively improved through automatic control of a gas circuit system.
Description
Technical Field
The utility model belongs to the technical field of oxygen-nitrogen-hydrogen analyzers, and particularly relates to a dual-mode full-range oxygen-nitrogen-hydrogen analyzer.
Background
The oxygen-hydrogen-nitrogen analyzer is an analyzer used in chemical field, and is mainly used for analyzing the contents of oxygen, nitrogen and hydrogen in ferrous metal, nonferrous metal, rare earth metal, inorganic matter, ore, ceramic and other substances in metallurgical, mechanical, commercial, scientific research, chemical industry and other industries. The existing oxygen-hydrogen-nitrogen analyzer has low automation degree and is not accurate.
Accordingly, the present utility model provides a dual-mode full-range oxygen-nitrogen-hydrogen analyzer, which is improved with respect to the existing structure and the defects, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a dual-mode full-range oxygen-nitrogen-hydrogen analyzer to solve the problems of lower automation degree and inaccurate analysis of the existing oxygen-hydrogen-nitrogen analyzer.
The purpose and the efficacy of the dual-mode full-range oxygen-nitrogen-hydrogen analyzer are achieved by the following specific technical means:
a dual-mode full-range oxygen-nitrogen-hydrogen analyzer comprises an electronic balance, an analysis host, a computer and a printer; the analysis host is connected with the computer through the power controller and the gas circuit controller, the analysis host is connected with the water chiller, the water chiller is controlled through the computer, and the analysis host comprises a pulse combustion device, a reformer, an infrared hydrogen measurement analysis tank, an infrared oxygen measurement analysis tank and a CO which are sequentially connected through a gas circuit system 2 Processing apparatus and thermal conductivity detection pond, pulse combustion apparatus includes power sensor and intelligent module that is connected with power controller, intelligent module is connected with the transformer, the transformer is connected with bottom electrode and upper electrode through two conductive cable respectively, and the movable cover of upper electrode is established on the bottom electrode, conductive cable on the upper electrode is connected with power sensor through current transformer, the fixed automatic blanking passageway that is equipped with in top of upper electrode, be connected with the electrode piece down through fixing nut on the bottom electrode of automatic blanking passageway below, be connected with graphite crucible on the electrode piece down, graphite crucible is gone up to the graphite crucibleAnd a detection gas outlet is fixedly arranged on the upper electrode at one side of the crucible.
Further, an insulating sheet is connected between the bottom end of the upper electrode and the lower electrode, and a sealing ring is connected between the inner wall of the upper electrode and the lower electrode.
Further, an ammeter is connected between the current transformer and the power sensor.
Further, the gas circuit system comprises a first constant value device and a second constant value device, the first constant value device is connected with a main valve, the main valve is connected with a furnace end, the furnace end is connected with a filter, the filter is connected with a reformer through a stop valve and a purge valve, the reformer is connected with the second constant value device through a bypass valve, the reformer is connected with an infrared hydrogen measurement analysis tank, the infrared hydrogen measurement analysis tank is respectively connected with a steady flow valve and a square steady flow valve, and the steady flow valve is connected with CO through a flowmeter 2 The processing device is connected, the CO 2 The processing device is connected with a throttle needle type valve, the first square flow stabilizing valve is connected with the thermal conductivity detection pool through a second square flow stabilizing valve, the second square flow stabilizing valve is connected with a third flow stabilizing valve through a second square flow stabilizing valve, and the third flow stabilizing valve is connected with the thermal conductivity detection pool.
Further, an absorbent is connected between the first square flow stabilizing valve and the infrared hydrogen measurement analysis tank.
Further, a pressure gauge is connected between the main valve and the furnace end.
Further, the CO 2 The treatment device comprises an absorption bottle connected with the infrared oxygen measuring and analyzing tank and the thermal conductivity detecting tank through filter bottles respectively, and CO is placed in one end of the absorption bottle, which is positioned in the infrared oxygen measuring and analyzing tank 2 The absorbent, put high-efficient dehydrating agent in the other end of absorption bottle.
Further, a display is connected to the computer.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, the temperature of a pulse furnace heating device reaches 2000 ℃ to 3000 ℃, nitrogen in a sample is released,respectively and indirectly determining the percentage content of oxygen and the percentage content of hydrogen in the tested sample through an infrared hydrogen measuring analysis tank and an infrared oxygen measuring analysis tank, and finally, through CO 2 The treatment device enables CO in the gas 2 The percentage content of nitrogen is determined by the thermal conductivity detection pool after filtration, the analysis accuracy can be effectively improved through the automatic control of the gas circuit system, the whole machine adopts modularized and integrated design, and the pulse electrode furnace, the gas circuit system, the circuit system and the detection system are integrated into a whole.
Drawings
Fig. 1 is a schematic structural view of the working principle of the utility model.
FIG. 2 is a schematic diagram of an analysis host according to the present utility model.
Fig. 3 is a schematic view of the pulse combustion device of the present utility model.
Fig. 4 is a schematic diagram of the gas circuit system structure of the present utility model.
FIG. 5 is a CO of the present utility model 2 The processing device is structurally schematic.
In the figure, the correspondence between the component names and the drawing numbers is:
1. an electronic balance; 2. analyzing a host; 3. a computer; 31. a display; 4. a printer; 5. a power controller; 6. an air path controller; 7. a water chiller; 8. the gas circuit system; 81. a number one setter; 82. a second setter; 83. a main valve; 831. a pressure gauge; 84. a burner; 85. a filter; 86. a stop valve; 87. a purge valve; 88. a bypass valve; 89. a steady flow valve; 891. a square steady flow valve; 892. a first flow meter; 893. an air-saving needle valve; 894. a second flow meter; 895. a second square steady flow valve; 896. a third flow meter; 9. a pulse combustion device; 91. a power sensor; 92. an intelligent module; 93. a transformer; 94. a conductive cable; 95. a lower electrode; 96. an upper electrode; 961. an insulating sheet; 962. a seal ring; 97. a current transformer; 971. an ammeter; 98. an automatic blanking channel; 99. a fixed screw cap; 991. a lower electrode plate; 992. a graphite crucible; 993. detecting a gas outlet; 10. a reformer; 11. an infrared hydrogen measurement analysis tank; 111. an absorbent; 12. an infrared oxygen measuring analysis pool; 13. CO 2 A processing device; 131. a filter flask; 132. an absorption bottle; 133. CO 2 An absorbent; 134. high-efficiency dehydrating agent; 14. and a thermal conductivity detection cell.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 to 5:
the utility model provides a dual-mode full-range oxygen-nitrogen-hydrogen analyzer, which comprises an electronic balance 1, an analysis host 2, a computer 3 and a printer 4; the printer 4 is used for printing the data analyzed by the printing place, the weight data of the sample to be detected during the weight normalization data processing is completed by the electronic balance 1, and the weight data is directly from the serial port communication line of the electronic balance 1The dynamic input upper microcomputer is used for weighing the detected objects on the electronic balance 1 independently, under the support of analysis software, after the electronic balance 1 is stabilized, the computer 3 is pressed to enter a carriage return key, the weight of the detected objects is automatically input into the computer 3, the analysis host 2 mainly detects gas, the analysis host 2 is connected with the computer 3 through the power controller 5 and the gas circuit controller 6, the analysis host 2 is conveniently controlled by the computer 3 through the power controller 5 and the gas circuit controller 6, the analysis host 2 is connected with the water chiller 7, the water chiller 7 is controlled by the computer 3, the computer 3 controls cooling water in the water chiller 7 to cool the analysis host 2, and the analysis host 2 comprises a pulse combustion device 9, a reformer 10, an infrared hydrogen measurement analysis tank 11, an infrared oxygen measurement analysis tank 12 and CO which are sequentially connected through the gas circuit system 8 2 A processing device 13 and a thermal conductivity detection tank 14, and a pulse combustion device 9, a reformer 10, an infrared hydrogen measurement analysis tank 11, an infrared oxygen measurement analysis tank 12 and CO are connected through a gas path system 8 2 The processing device 13 and the thermal conductivity detection tank 14 form a whole uninterrupted detection system, and realize a six-channel mode consisting of a high-low oxygen channel, a high-low nitrogen channel and a high-low hydrogen channel, the infrared hydrogen detection analysis tank 11 and the infrared oxygen detection analysis tank 12 adopt a high-precision constant temperature compensation technology, repeatability and reproducibility of sample analysis data are effectively improved, the pulse combustion device 9 comprises a power sensor 91 and an intelligent module 92 which are connected with a power controller 5, the intelligent module 92 is connected with a transformer 93, the transformer 93 is respectively connected with a lower electrode 95 and an upper electrode 96 through two conductive cables 94, the upper electrode 96 is movably sleeved on the lower electrode 95, a conductive cable 94 on the upper electrode 96 is connected with the power sensor 91 through a current transformer 97, an automatic blanking channel 98 is fixedly arranged at the top of the upper electrode 96, a lower electrode 95 below the automatic blanking channel 98 is connected with a lower electrode 991 through a fixed nut 99, a graphite 992 is fixedly arranged on the upper electrode 96 on one side of the graphite 992, a detection gas outlet 993 is fixedly arranged on the upper electrode 96, the maximum temperature of the graphite 992 is higher than the temperature of the crucible 95, and the temperature is higher than the temperature of the crucible is reached to be between the maximum temperature of the crucible and the temperature of the crucible is up to be between the temperature of the maximum temperature of the crucible and 95, and the temperature of the crucible and the temperature is up to be between the temperature of the crucible and 95 and the temperature of the crucible and 5 and the temperature is up to the temperature and 95 and 5Into CO and CO 2 Measuring oxygen using CO 2 Has the characteristic of strong absorption band at 4.26 mu m, and analyzes CO by measuring the light intensity variation after gas absorption 2 The percentage content of the gas concentration is indirectly determined, the percentage content of oxygen in a sample to be measured is indirectly determined, and after a certain period of time is waited, the sample enters a sleep mode and a gas saving mode automatically (the gas saving function is used for saving carrier gas and is not used for long-time analysis), the sample can be recovered by clicking any key of a mouse or a keyboard, the analysis is divided into a manual analysis mode and an automatic analysis mode, the manual analysis mode is only used for analyzing the sample which cannot be directly sampled, and the manual analysis is selected in a menu; the three components of oxygen, nitrogen and hydrogen can be arbitrarily selected.
An insulating sheet 961 is connected between the bottom end of the upper electrode 96 and the lower electrode 95, a sealing ring 962 is connected between the inner wall of the upper electrode 96 and the lower electrode 95, and the upper electrode 96 and the lower electrode 95 are effectively connected through the insulating sheet 961 and the sealing ring 962.
An ammeter 971 is connected between the current transformer 97 and the power sensor 91, and the current between the current transformer 97 and the power sensor 91 is conveniently observed through the ammeter 971.
Wherein, the gas circuit system 8 includes a first setter 81 and a second setter 82, the first setter 81 is connected with a main valve 83, the main valve 83 is connected with a furnace end 84, the furnace end 84 is connected with a filter 85, the filter 85 is connected with the reformer 10 through a stop valve 86 and a purge valve 87, the reformer 10 is connected with the second setter 82 through a bypass valve 88, the reformer 10 is connected with an infrared hydrogen measurement analysis tank 11, the infrared hydrogen measurement analysis tank 11 is respectively connected with a steady flow valve 89 and a square steady flow valve 891, and the steady flow valve 89 is connected with CO through a flowmeter 892 2 The processing device 13 is connected to CO 2 The processing device 13 is connected with a throttle needle valve 893, a first square flow stabilizing valve 891 is connected with the thermal conductivity detection tank 14 through a second square flow stabilizing valve 894, a second constant valve 82 is connected with a third square flow stabilizing valve 896 through a second square flow stabilizing valve 895, the third square flow stabilizing valve 896 is connected with the thermal conductivity detection tank 14, carrier gas in a working gas circuit is 99.999% of high-purity helium gas, 0.25-0.50 Mpa, and power gas is common nitrogen gas or net nitrogen gasCompressed air is melted to 0.25-0.50 Mpa, the air path is divided into three sections with automatic leakage detection function, a software dynamic real-time monitoring alarm prompt interface, the equipment is subjected to leakage detection, firstly, the leakage detection in point diagnosis is performed, and the leakage detection of a point system is performed. The operation time point is any one of total inspection, furnace end inspection and air inspection chamber, and can automatically complete diagnosis, and as a result, green PASS is normal, and red FILL is abnormal.
The absorbent 111 is connected between the first square flow stabilizing valve 891 and the infrared hydrogen measurement analysis tank 11, and the gas entering the first square flow stabilizing valve 891 is filtered conveniently through the absorbent 111.
Wherein, be connected with manometer 831 between total valve 83 and the furnace end 84, be convenient for observe the pressure value of total valve 83 and furnace end 84 junction through manometer 831.
Wherein CO 2 The processing device 13 comprises an absorption bottle 132 connected with the infrared oxygen measuring and analyzing tank 12 and the thermal conductivity detecting tank 14 through a filter bottle 131, wherein CO is placed in one end of the absorption bottle 132 positioned in the infrared oxygen measuring and analyzing tank 12 2 An absorbent 133, a high-efficiency dehydrating agent 134 is placed in the other end of the absorption bottle 132, and quartz cotton is placed in the filter bottle 131 for filtering and analyzing graphite dust in carrier gas through CO 2 The absorbent 133 absorbs CO in the carrier gas 2 And removing moisture from the carrier gas by the high efficiency dehydrating agent 134.
The display 31 is connected to the computer 3, and the data processed by the computer 3 is displayed by the display 31.
Specific use and action of the embodiment:
in the utility model, the instrument self-tests before starting up the self-test and sample preparation (1) when the carrier gas (the carrier gas needs to be introduced before heating by heat conduction) is not opened, the software prompts abnormality, (2) the temperature, (3) the water chiller 7 (the software reports errors when the water chiller 7 is not opened), the weight of the sample is firstly weighed on the electronic balance 1 during analysis, the sample is input into a microcomputer, or the sample can be input through a keyboard, the fluxing agent is added and then is fed into the automatic feeding channel 98 to start the analysis, the corresponding electromagnetic valve is firstly opened in the first stage of degassing, the carrier gas is introduced according to the analysis flow, the purpose is to remove oxygen on the graphite crucible 992, and the CO on the graphite crucible 992 2 Stable release and enterA second stage; the second stage is an analysis release stage, in which the automatic feeding channel 98 is opened, the sample to be measured falls into the graphite crucible 992, the sample is heated to a release temperature, and at this time, the oxygen of the sample and the carbon in the graphite crucible 992 generate CO and CO under a high temperature condition 2 The gas is conveyed into an infrared hydrogen measuring analysis tank 11 and an infrared oxygen measuring analysis tank 12 by carrier gas to analyze the percentage content of hydrogen and oxygen, the output signal of an amplifier is reduced along with the increase of the concentration of the measured gas, after normalization treatment, linearization calibration is carried out on each data, after analysis, area integration, coefficient multiplication and blank deduction are carried out on the linearization calibration data to obtain the percentage content of oxygen and hydrogen in a sample, the analyzed gas enters a filter bottle 131 to carry out dust filtration, and the filtered gas enters an absorption bottle to be subjected to CO treatment 2 The absorbent 133 and the high-efficiency dehydrating agent 134 absorb CO 2 And entering a thermal conductivity detection pool after moisture to detect the percentage content of nitrogen, automatically entering a sleep mode and a gas-saving mode after the instrument stands by for a certain time (the gas-saving function is used for saving carrier gas and is used when the analysis is not performed for a long time), and clicking any key of a mouse or a keyboard to recover.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. A dual-mode full-range oxygen-nitrogen-hydrogen analyzer is characterized in that: comprises an electronic balance (1), an analysis host machine (2), a computer (3) and a printer (4); the analysis host machine (2) is connected with the computer (3) through the power controller (5) and the air path controller (6), the analysis host machine (2) is connected with the water chiller (7), the water chiller (7) is controlled through the computer (3), and the analysis host machine (2) comprises the pulse combustion device (9), the reformer (10), the gas path system (8) which are connected in sequence,An infrared hydrogen measuring analysis tank (11), an infrared oxygen measuring analysis tank (12) and CO 2 Processing apparatus (13) and thermal conductivity detection pond (14), pulse combustion apparatus (9) include power sensor (91) and intelligent module (92) that are connected with power controller (5), intelligent module (92) are connected with transformer (93), transformer (93) are connected with bottom electrode (95) and top electrode (96) through two conductive cable (94) respectively, and top electrode (96) movable sleeve establishes on bottom electrode (95), conductive cable (94) on top electrode (96) are connected with power sensor (91) through current transformer (97), the top of top electrode (96) is fixed and is equipped with automatic blanking passageway (98), be connected with bottom electrode piece (991) on bottom electrode (95) of automatic blanking passageway (98) below through fixation nut (99), be connected with graphite crucible (992) on the top of bottom electrode piece (991), be equipped with on the top electrode (96) of graphite crucible (992) one side and detect air outlet (993).
2. The dual mode full-scale oxy-hydro analyzer of claim 1, wherein: an insulating sheet (961) is connected between the bottom end of the upper electrode (96) and the lower electrode (95), and a sealing ring (962) is connected between the inner wall of the upper electrode (96) and the lower electrode (95).
3. The dual mode full-scale oxy-hydro analyzer of claim 1, wherein: an ammeter (971) is connected between the current transformer (97) and the power sensor (91).
4. The dual mode full-scale oxy-hydro analyzer of claim 1, wherein: the gas path system (8) comprises a first constant value device (81) and a second constant value device (82), a main valve (83) is connected to the first constant value device (81), a furnace end (84) is connected to the main valve (83), a filter (85) is connected to the furnace end (84), the filter (85) is connected with the reformer (10) through a stop valve (86) and a purge valve (87), the reformer (10) is connected with the second constant value device (82) through a bypass valve (88), the reformer (10) is connected with an infrared hydrogen measurement analysis tank (11), and the infrared hydrogen measurement analysis tank (11) is respectively connected with a steady flow valve (89) and a squareThe flow stabilizing valve (891) is formed, and the flow stabilizing valve (89) is connected with CO through a first flowmeter (892) 2 The treatment device (13) is connected, the CO 2 The processing device (13) is connected with an air-saving needle valve (893), the first square flow stabilizing valve (891) is connected with the thermal conductivity detection tank (14) through a second flowmeter (894), the second constant value device (82) is connected with a third flowmeter (896) through a second square flow stabilizing valve (895), and the third flowmeter (896) is connected with the thermal conductivity detection tank (14).
5. The dual mode full-scale oxy-hydro analyzer of claim 4, wherein: an absorbent (111) is connected between the first square steady flow valve (891) and the infrared hydrogen measurement analysis tank (11).
6. The dual mode full-scale oxy-hydro analyzer of claim 4, wherein: a pressure gauge (831) is connected between the main valve (83) and the burner (84).
7. The dual mode full-scale oxy-hydro analyzer of claim 1, wherein: the CO 2 The processing device (13) comprises an absorption bottle (132) which is respectively connected with the infrared oxygen measuring analysis tank (12) and the thermal conductivity detection tank (14) through a filter bottle (131), wherein the absorption bottle (132) is positioned at one end of the infrared oxygen measuring analysis tank (12) and is internally provided with CO 2 And an absorbent (133), wherein a high-efficiency dehydrating agent (134) is placed in the other end of the absorption bottle (132).
8. The dual mode full-scale oxy-hydro analyzer of claim 1, wherein: the computer (3) is connected with a display (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383379.9U CN218995137U (en) | 2022-02-24 | 2022-02-24 | Dual-mode full-range oxygen-nitrogen-hydrogen analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383379.9U CN218995137U (en) | 2022-02-24 | 2022-02-24 | Dual-mode full-range oxygen-nitrogen-hydrogen analyzer |
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| Publication Number | Publication Date |
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| CN218995137U true CN218995137U (en) | 2023-05-09 |
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| CN202220383379.9U Active CN218995137U (en) | 2022-02-24 | 2022-02-24 | Dual-mode full-range oxygen-nitrogen-hydrogen analyzer |
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