CN205015263U - Oxygen nitrogen analytical equipment - Google Patents
Oxygen nitrogen analytical equipment Download PDFInfo
- Publication number
- CN205015263U CN205015263U CN201520727382.8U CN201520727382U CN205015263U CN 205015263 U CN205015263 U CN 205015263U CN 201520727382 U CN201520727382 U CN 201520727382U CN 205015263 U CN205015263 U CN 205015263U
- Authority
- CN
- China
- Prior art keywords
- valve
- carrier gas
- gas
- filled
- access
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to an oxygen nitrogen analytical equipment, including carrying gas unit, detecting element, carry that the gas unit includes the carrier gas manometer, purifies the stove, carrier gas purge tube, divide gassing relief pressure valve, assay atmospheric pressure table, wash governing valve, six -way valve, pulse heating stove, dust filter tube, reborner, sample gas purge tube, detecting element including detecting air pressure adjusting valve, examining measure and regulate festival manometer, air throttle, flow sensor, infrared detector, CO2 absorption tube, the utility model discloses under inert atmosphere, decompose the sample through pulse heating, survey the content of oxygen in various iron and steel, coloured technique and the new materials, nitrogen, convenient operation, detection and analysis precision height respectively by infrared detector and thermal conductivity detector.
Description
Technical field
The utility model relates to a kind of oxygen nitrogen analysis equipment.
Background technology
In recent years, along with development and the development of metal material, the research and production of mensuration to various iron and steel, non-ferrous metal and new materials such as Ti alloy with high performance of Oxygen in Metals nitrogen is essential.Argon in foreign applications inert gas fusion-thermal conductivity and gas chromatography determination metal, has commercial apparatus to sell.But this quasi-instrument can not get rid of the interference of nitrogen completely, confidence level and the accuracy of quantitative test are all affected.Domestic have this type of achievement, but analysis precision is lower, analyzes the requirement that lower limit does not reach new material.
Utility model content
The technical matters that the utility model solves is to provide a kind of oxygen nitrogen analysis equipment, to solve the shortcoming in above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
The utility model provides a kind of oxygen nitrogen analysis equipment, comprise and carry gas unit, detecting unit, described gas unit of carrying comprises nebulizer gas pressure table, purification furnace, carrier gas purification pipe, divide gassing reduction valve, analyze atmospheric pressure table, rinse variable valve, six-way valve, pulse heating furnace, filtering dust pipe, reburner, sample gas purification pipe, the cylinder outlet of carrier gas gas cylinder connects carrier gas reduction valve by stop valve, carrier gas reduction valve access purification furnace, purification furnace is connected with carrier gas purification pipe, carrier gas purification pipe leads up to point gassing reduction valve and analyze atmospheric pressure table access six-way valve, access the entrance point of pulse heating furnace again, separately lead up to and rinse variable valve access six-way valve, access the entrance point of pulse heating furnace again, the endpiece of pulse heating furnace connects filtering dust pipe, filtering dust pipe lead up to six-way valve access reburner, reburner is connected with sample gas purification pipe, six-way valve of separately leading up to connects flushing flow gauge, wherein, described purification furnace and reburner are copper oxide catalyzation stove, described detecting unit comprises detection air pressure regulator, detects adjustment tensimeter, air throttle, flow sensor, infrared detector, CO
2absorption tube, sample gas purification pipe regulates tensimeter connecting joint air valve, air throttle connection traffic sensor by detecting air pressure regulator and detecting, and separately leads up to solar term variable valve connection traffic sensor, flow sensor is connected with the inlet end of infrared detector, the outlet side access CO of infrared detector
2absorption tube, CO
2absorption tube linking parsing air-flow gauge, then access stop valve, the cylinder outlet of power gas bottle connects power gas reduction valve and power atmospheric pressure table, and power gas reduction valve one tunnel is connected with six-way valve and pulse heating furnace, power controlled atmosphere air throttle of separately leading up to access infrared detector.
Solar term variable valve or flow valve is provided with between air throttle described in the utility model and flow sensor.Stop valve described in the utility model is two three-way electromagnetic valves.Carrier gas purification pipe described in the utility model is for purifying carrier gas, and alkali asbestos are filled on top, and under-filled water absorbing agent, two ends absorbent cotton is filled.Filtering dust pipe described in the utility model is for filtering the carrier gas and tested gas of flowing out from pulse heating furnace, and silica wool is filled on top, under-filled absorbent cotton.Sample gas purification pipe described in the utility model is used for the steam in sorption enhanced stove effluent air, and absorbent cotton is filled at two ends, central filler water absorbing agent.CO described in the utility model
2absorption tube is for absorbing the CO flowed out from infrared detector
2and steam, alkali asbestos are filled on top, and under-filled water absorbing agent, two ends absorbent cotton is filled.Copper oxide catalyzation stove described in the utility model comprises body of heater, and body of heater is provided with two groups of lead-in wires, and one group is the thermocouple output line of thermometric, another group is heater strip extended line, be provided with quartz ampoule in the middle of body of heater, quartz ampoule two ends glass wool seals, central filler rare-earth oxidation copper.
Advantage and beneficial effect:
(1) the utility model is provided with purification furnace, purification furnace is copper oxide catalyzation stove, depth-type filtration and purification are carried out to the carrier gas entering pulse heating furnace, eliminates the interference of the gas that the reaction in carrier gas in foreign gas paired pulses heating furnace produces, also improve the precision of measurement;
(2) the utility model is provided with reburner, and reburner is also copper oxide catalyzation stove, and play catalytic action, the CO restored in analysis by metal powder to be measured is converted into CO
2, by alkali asbestos agent absorbent below, thus prevent CO or CO generated by oxygen in sample
2the interference to nitrogen brought, therefore, reburner transformation efficiency is high, directly affects the measurement result of nitrogen, makes the measurement of nitrogen more accurate;
(3) the utility model is provided with six-way valve, six-way valve is two six three-way electromagnetic valves, the open to shut to regulate that quick and precisely can carry out gas circuit is controlled by controller, thus respond different functional requirements, easy to operate, can rapid and accurate determination iron and steel, copper, titanium, rare earth material and various alloy, oxygen in pottery and other inorganicss and nitrogen content;
(4) the utility model is provided with stop valve, and when detecting, stop valve leads directly to, when cleaning, and stop valve short circuit, carrier gas reenters purification furnace by stop valve and cleans whole gas circuit, makes the utility model operational maintenance and easy to maintenance;
(5) the utility model under an inert atmosphere, by PULSE HEATING decomposition samples, measured the content of oxygen, nitrogen in various iron and steel, coloured technology and new material by infrared detector and thermal conductivity detector (TCD) respectively, easy to operate, detects analysis precision high.
Accompanying drawing explanation
Fig. 1 is the gas circuit structure figure of a kind of embodiment of the present utility model.
Fig. 2 is the structure schematic diagram of a kind of embodiment of the present utility model.
Fig. 3 is the Facad structure schematic diagram of a kind of embodiment of the present utility model.
Fig. 4 is the structural representation of copper oxide catalyzation stove.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Fig. 1-4 is the structural representation of a kind of embodiment of the present utility model, it comprises analyser main tank A, analyser odd-side B, be provided with in analyser main tank A and carry gas unit, in analyser odd-side B, be provided with detecting unit, carry gas unit and be connected with circuit by gas circuit with detecting unit.
Carry gas unit and comprise nebulizer gas pressure table 4, purification furnace 5, carrier gas purification pipe 6, point gassing reduction valve 7, six-way valve 9, pulse heating furnace 10, filtering dust pipe 11, reburner 12, sample gas purification pipe 13; Analyser main tank A is provided with carrier gas inlet A1, power gas entrance A2 and point gassing outlet A3, the cylinder outlet of carrier gas gas cylinder 1 connects carrier gas reduction valve 3 by stop valve 2, the outlet of carrier gas reduction valve 3 is provided with carrier gas and connects valve, and carrier gas connects valve and connects the carrier gas inlet A1 of carrier gas to analyser main tank A; Carrier gas inlet A1 connects purification furnace 5 by nebulizer gas pressure table 4, and purification furnace 5 is connected with carrier gas purification pipe 6; Carrier gas purification pipe 6 leads up to point gassing reduction valve 7 and analyze the 3rd joint that atmospheric pressure table 8 accesses six-way valve 9, and separately lead up to and rinse the first joint that variable valve 23 accesses six-way valve 9, the second joint of six-way valve 9 connects the entrance point of pulse heating furnace 10; The endpiece of pulse heating furnace 10 connects filtering dust pipe 11, filtering dust pipe 11 accesses the 5th joint of six-way valve 9,4th joint of six-way valve 9 is connected with reburner 12, reburner 12 connects sample gas purification pipe 13, sample gas purification pipe 13 is connected to a point gassing outlet A3, and the 5th joint of six-way valve 9 connects flushing flow gauge 24.
Six-way valve 9 is two six-way valves, during normality, and the second fittings the 3rd joint of six-way valve 9,5th fittings the 4th joint, the first joint and the 6th joint obstructed, during commutation, second fittings first joint, the 5th fittings the 6th joint, the 3rd joint and the 4th joint obstructed.
Analyser odd-side B is provided with a point gassing entrance B1, a point gassing answers back B2, and detecting unit comprises detection air pressure regulator 14, detects adjustment tensimeter 15, air throttle 16, flow valve 17, solar term variable valve 18, infrared detector, CO
2absorption tube, divide gassing entrance B1 to export A3 with point gassing on analyser main tank A to be connected, divide gassing entrance B1 by detecting air pressure regulator 14 and detecting atmospheric pressure table 15 connecting joint air valve 16, air throttle 16 passes through flow valve 17 or solar term variable valve 18 connection traffic sensor 19; Flow sensor 19 connects infrared detector 20, and infrared detector 20 connects CO
2absorption tube 21, CO
2absorption tube 21 is connected to a point gassing and answers back B2.
Point gassing B2 that answers back is connected with the analysis air-flow gauge 22 on analyser main tank A, and analysis air-flow gauge 22 connects stop valve 2; Stop valve 2 is two three-way electromagnetic valves, is straight-through at ordinary times, gassing will be divided to pass into thermal conductivity detector (TCD) and carry out nitrogen measurement, and when gas circuit needs maintenance, stop valve 2 is short logical, by airflow connection to carrier gas reduction valve 3, whole gas circuit is circulated through.
The cylinder outlet of power gas bottle 25 connects power gas reduction valve 26 and power atmospheric pressure table 27, power gas entrance A2 on the connect into analysis instrument main tank A of power gas reduction valve 26 1 road, be connected with pulse electrothermal stove 10 and six-way valve 9, adjusting air valve 28 of separately leading up to connects infrared detector 20; Power gas bottle 25 provides power for pulsed electrode stove 10 ON/OFF stove, application of sample action, and power atmospheric pressure table 27 is display power atmospheric pressure in real time, and power atmospheric pressure must be greater than nebulizer gas pressure, leaks to avoid carrier gas in pulsed electrode stove 10.
Carrier gas purification pipe 6 is for purifying carrier gas, and alkali asbestos are filled on top, and under-filled water absorbing agent, two ends absorbent cotton is filled.Filtering dust pipe 11 is for filtering the carrier gas and tested gas of flowing out from pulse heating furnace 10, upper end body fills 1/3 silica wool, absorbent cotton is filled in lower end, absorbent cotton will be torn, fill closely, high dust can be made to enter into the follow-up gas circuits such as six-way valve 9 as filled too pine, even damaging infrared detector 20 and thermal conductivity detector (TCD).Sample gas purification pipe 13 is for steam in sorption enhanced stove effluent air, and absorbent cotton is filled at two ends, central filler water absorbing agent.CO
2absorption tube 21 is for absorbing the CO flowed out from infrared detector 20
2and steam, alkali asbestos are filled on top 2/3, under-filled water absorbing agent, and two ends absorbent cotton is filled.
Reburner 12 and purification furnace 6 are two copper oxide catalyzation stoves, catalyst furnace comprises body of heater 30, body of heater 30 draws two groups of lead-in wires, one group is the thermocouple output line 31 of thermometric, another group is heater strip extended line 32, be provided with quartz ampoule 29 in the middle of catalyst furnace, quartz ampoule 29 two ends glass wool 33 seals, central filler rare-earth oxidation copper 34.Purification furnace 5 is for filtering and purification carrier gas, and reburner 12 catalytic action, the CO restored in analysis by sample is converted into CO
2, by CO below
2alkali asbestos in absorption tube 21 absorb, thus prevent CO or CO generated by oxygen in sample
2the interference to nitrogen brought.
Using method of the present utility model comprises the following steps:
(1) metal powder nickel foil to be measured is wrapped up, put into pulse heating furnace;
(2) stop valve 2 is opened, make carrier gas from stop valve 2 out after, purification furnace 5 is entered into successively through carrier gas reduction valve 3 and nebulizer gas pressure table 4, carrier gas enters again carrier gas purification pipe 6 after carrying out filtering and purify in purification furnace 5 and purifies further, more successively by a point gassing reduction valve 7, analyze atmospheric pressure table 8, six-way valve 9 enters pulse heating furnace 10;
(3) be energized, make PULSE HEATING, 10 heating, metal powder to be measured melting in nickel foil, in metal powder, oxygen is at high temperature reduced, and spins off from metal with CO form, and in metal, nitrogen is at high temperature with N
2form spins off from metal, under the drive of carrier gas stream, and CO, N
2enter into filtering dust pipe 11 dust removal by filtration;
(4) to be entered in reburner 12 by six-way valve 9 above by the gas of filtering dust pipe 11 dust removal by filtration and carry out catalysis, CO is converted into CO
2;
(5) from reburner 12 CO out
2, N
2successively through detecting air pressure regulator 14, detect regulate tensimeter 15, air throttle 16, flow sensor 19 enter infrared detector 20, infrared detector 20 couples of O detect, and the signal detected is flowed to computing machine carry out analyzing and processing;
(6) CO is entered from infrared detector 20 gas out
2absorption tube 21, CO
2with steam by CO
2absorption tube 21 absorbs;
(7) from CO
2absorption tube 21 gas out by analysis air-flow gauge 22 accesses stop valve 2, is linked into thermal conductivity detector (TCD) to N by stop valve 2
2in N measure.
When needs paired pulses heating furnace 10 rinses, unload filtering dust pipe 11, regulate six-way valve 9, to make from carrier gas purification pipe 6 carrier gas out successively by rinsing variable valve 23, six-way valve 9 enters pulse heating furnace 10, block the upper end of joint 2-3 second of filtering dust pipe 11, then decontrol, carrier gas is connected to flushing flow gauge 24, repeatedly several times, until gas circuit is unobstructed.
Principle of work of the present utility model:
The utility model under an inert atmosphere, by PULSE HEATING decomposition samples, is measured the content of oxygen, nitrogen in various iron and steel, coloured technology and new material respectively by infrared detector and thermal conductivity detector (TCD).Analytic process adopts PULSE HEATING metal powder to be measured, metal powder to be measured under the effect of nickel foil flux, melting under high temperature, CO, N of discharging
2cO is generated Deng the rare-earth oxidation copper of mixed gas in reburner
2, N
2and H
2o, is loaded in infrared detector by high-purity carrier gas, after measuring the percentage composition of oxygen, and CO
2and H
2o is absorbed by alkali asbestos and magnesium perchlorate respectively, then leads people's thermal conductivity detector (TCD) and detected, and obtains the content of nitrogen.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. an oxygen nitrogen analysis equipment, comprises and carries gas unit, detecting unit, it is characterized in that:
Described gas unit of carrying comprises nebulizer gas pressure table, purification furnace, carrier gas purification pipe, divide gassing reduction valve, analyze atmospheric pressure table, rinse variable valve, six-way valve, pulse heating furnace, filtering dust pipe, reburner, sample gas purification pipe, the cylinder outlet of carrier gas gas cylinder connects carrier gas reduction valve by stop valve, carrier gas reduction valve access purification furnace, purification furnace is connected with carrier gas purification pipe, carrier gas purification pipe leads up to point gassing reduction valve and analyze atmospheric pressure table access six-way valve, access the entrance point of pulse heating furnace again, separately lead up to and rinse variable valve access six-way valve, access the entrance point of pulse heating furnace again, the endpiece of pulse heating furnace connects filtering dust pipe, filtering dust pipe lead up to six-way valve access reburner, reburner is connected with sample gas purification pipe, six-way valve of separately leading up to connects flushing flow gauge, wherein, described purification furnace and reburner are copper oxide catalyzation stove,
Described detecting unit comprises detection air pressure regulator, detects adjustment tensimeter, air throttle, flow sensor, infrared detector, CO
2absorption tube, sample gas purification pipe regulates tensimeter connecting joint air valve, air throttle connection traffic sensor by detecting air pressure regulator and detecting, and separately leads up to solar term variable valve connection traffic sensor, flow sensor is connected with the inlet end of infrared detector, the outlet side access CO of infrared detector
2absorption tube, CO
2absorption tube linking parsing air-flow gauge, then access stop valve;
The cylinder outlet of power gas bottle connects power gas reduction valve and power atmospheric pressure table, and power gas reduction valve one tunnel is connected with six-way valve and pulse heating furnace, power controlled atmosphere air throttle of separately leading up to access infrared detector.
2. oxygen nitrogen analysis equipment according to claim 1, is characterized in that, be provided with solar term variable valve or flow valve between described air throttle and flow sensor.
3. oxygen nitrogen analysis equipment according to claim 1, is characterized in that, described stop valve is two three-way electromagnetic valves.
4. oxygen nitrogen analysis equipment according to claim 1, is characterized in that, described carrier gas purification pipe is for purifying carrier gas, and alkali asbestos are filled on top, and under-filled water absorbing agent, two ends absorbent cotton is filled.
5. oxygen nitrogen analysis equipment according to claim 1, is characterized in that, described filtering dust pipe is for filtering the carrier gas and tested gas of flowing out from pulse heating furnace, and silica wool is filled on top, under-filled absorbent cotton.
6. oxygen nitrogen analysis equipment according to claim 1, is characterized in that, described sample gas purification pipe is used for the steam in sorption enhanced stove effluent air, and absorbent cotton is filled at two ends, central filler water absorbing agent.
7. oxygen nitrogen analysis equipment according to claim 1, is characterized in that, described CO
2absorption tube is for absorbing the CO flowed out from infrared detector
2and steam, alkali asbestos are filled on top, and under-filled water absorbing agent, two ends absorbent cotton is filled.
8. oxygen nitrogen analysis equipment according to claim 1, it is characterized in that, described copper oxide catalyzation stove comprises body of heater, body of heater is provided with two groups of lead-in wires, one group is the thermocouple output line of thermometric, and another group is heater strip extended line, is provided with quartz ampoule in the middle of body of heater, quartz ampoule two ends glass wool seals, central filler rare-earth oxidation copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727382.8U CN205015263U (en) | 2015-09-18 | 2015-09-18 | Oxygen nitrogen analytical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727382.8U CN205015263U (en) | 2015-09-18 | 2015-09-18 | Oxygen nitrogen analytical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205015263U true CN205015263U (en) | 2016-02-03 |
Family
ID=55213858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520727382.8U Expired - Fee Related CN205015263U (en) | 2015-09-18 | 2015-09-18 | Oxygen nitrogen analytical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205015263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136661A (en) * | 2015-09-18 | 2015-12-09 | 苏州萨伯工业设计有限公司 | Oxygen and nitrogen analyzer |
-
2015
- 2015-09-18 CN CN201520727382.8U patent/CN205015263U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136661A (en) * | 2015-09-18 | 2015-12-09 | 苏州萨伯工业设计有限公司 | Oxygen and nitrogen analyzer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206920398U (en) | NMHC benzene homologues in-line analyzer | |
| CN211235160U (en) | Smoke constant-speed sampling device | |
| CN105223152A (en) | A kind of oxygen nitrogen analysis detection method | |
| CN105467063A (en) | Test device for detecting comprehensive performance of denitration catalyst and application method thereof | |
| CN107631916A (en) | A kind of more dot matrix high-temperature sampling probes of gaseous contaminant | |
| CN204731216U (en) | SCR catalyst active testing system | |
| CN205015263U (en) | Oxygen nitrogen analytical equipment | |
| CN111366677A (en) | SCR catalyst performance evaluation device for removing nitric oxide, benzene and toluene in cooperation | |
| CN204287149U (en) | A kind of simulated exhaust pipe device that can be used for NOX sensor test | |
| CN104226300A (en) | SCR (Selective Catalytic Reduction) catalyst and preparation method thereof | |
| CN105136661A (en) | Oxygen and nitrogen analyzer | |
| CN103048289B (en) | Argon-oxygen or nitrogen-oxygen combined determinator and use method thereof | |
| CN212180385U (en) | Movable sulfur trioxide sampling device for detecting performance of flue gas denitration catalyst | |
| CN204065045U (en) | Denitration demercuration catalyst activity assessment device | |
| CN219777484U (en) | Air ozone concentration analyzer based on ultraviolet absorption method | |
| CN108426975B (en) | Catalyst activity evaluation device | |
| CN105548507A (en) | Device and method for measuring sulfate in atmospheric particulates | |
| CN103776910B (en) | Analysis system for nitrogen oxides in exhaust gas | |
| CN206146886U (en) | Ammonia analytic system | |
| CN105067600A (en) | Determination device for nitrate and ammonium salt in atmospheric particulates and application method thereof | |
| CN110763774A (en) | Device and method for testing hydrogen evolution and absorption performance of ointment | |
| CN2620277Y (en) | Gas flow circuit device for heat desorption apparatus | |
| CN202471634U (en) | Device for quantitatively analyzing and rapidly converting argon in metal | |
| CN210774974U (en) | Mercury enrichment device in mercury detector | |
| CN211528299U (en) | Thermal aging monitoring system for high-temperature gas cooled reactor ceramic reactor internal component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20180918 |