CN203535028U - Zirconia probe calibration device - Google Patents
Zirconia probe calibration device Download PDFInfo
- Publication number
- CN203535028U CN203535028U CN201320644912.3U CN201320644912U CN203535028U CN 203535028 U CN203535028 U CN 203535028U CN 201320644912 U CN201320644912 U CN 201320644912U CN 203535028 U CN203535028 U CN 203535028U
- Authority
- CN
- China
- Prior art keywords
- zirconia probe
- air chamber
- caliberating device
- zirconia
- pneumatic pump
- 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
Images
Abstract
The utility model discloses a zirconia probe calibration device which comprises a calibration gas chamber, wherein the gas inlet of the calibration gas chamber is connected with the gas outlet of the float flowmeter; the gas inlet of the float flowmeter is connected with a nitrogen bottle, an oxygen bottle and a pneumatic pump respectively; a flow control valve is arranged at the gas outlet of the pneumatic pump. During use, a zirconia probe to be calibrated is inserted in the calibration gas chamber. An inaccurate zirconia probe can be calibrated again by the zirconia probe calibration device so as to be used in enterprise production.
Description
Technical field
The utility model belongs to instrument measurement technical field, relates to a kind of caliberating device, is specifically related to a kind of zirconia probe caliberating device.
Background technology
At present, the residual oxygen content of flue gas that carbon steel is cold rolling and stainless steel hot-rolling stove is rolled up bell type annealing furnace, is to measure by the residual measurement of oxygen content analytic system of on-line continuous formula flue gas that zirconia probe and digital indicator form.Utilize measuring and analysis system to measure the rear remaining residual oxygen content of mixed gas burning in bell type annealing furnace, for bell type annealing furnace air-fuel ratio regulation provides effective adjusting parameter, the necessary condition that guarantees bell type annealing furnace safety in production, the effective way of improving the quality of products especially.When bell type annealing furnace is normally produced, the residual Control for Oxygen Content value of its flue gas is 2.5～5.5%, when residual measurement of oxygen content value is lower than 2% time, and the bell type annealing furnace blowing out of stopping working.Meanwhile, residual measurement of oxygen content misalignment will directly cause band steel to cross annealing, owe the product quality accidents such as annealing and flame decorative pattern.In bell type annealing furnace production run, the interior temperature of stove is high, inner flue gas of the stove contains dust, and zirconia probe is just caused measurement numerical value misalignment by contamination by dust and the impact of other factors in about 2 months normal use.If do not have caliberating device to demarcate calibration to the zirconia probe of misalignment, zirconia probe will be done and scrap processing, causes enterprise's maintenance and repair parts expense high.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of zirconia probe caliberating device, can demarcate the zirconia probe of misalignment, and the zirconia probe of misalignment is come into operation again, reduces enterprise's maintenance cost.
For achieving the above object, the technical scheme that the utility model adopts is, a kind of zirconia probe caliberating device, comprise demarcation air chamber, demarcating the inlet end of air chamber and the outlet side of suspended body flowmeter is connected, the inlet end of suspended body flowmeter is connected with nitrogen cylinder, welding bottle and pneumatic pump respectively, and pneumatic pump outlet side is provided with flowrate control valve; During use, zirconia probe to be calibrated is inserted and demarcated in air chamber from the other end.
Between welding bottle and suspended body flowmeter, be provided with oxygen pressure reducing valve, between nitrogen cylinder and suspended body flowmeter, be provided with nitrogen reduction valve.
Pipeline between flowrate control valve and pneumatic pump is provided with collateral branch's pipeline, on this collateral branch's pipeline, diffusion valve is installed.
Demarcating air chamber is hollow reverse taper, and demarcating one end that air chamber inside diameter is less is the inlet end of demarcating air chamber.
Demarcate the larger one end of air chamber inside diameter and be provided with connecting thread.Demarcate on gas chamber sidewall and be evenly equipped with a plurality of vent ports.
The utility model zirconia probe caliberating device has the following advantages:
1, the demarcation air chamber inlet end of the utility model device is provided with suspended body flowmeter, to entering airshed, controls, and guarantees the working temperature of zirconia probe.
2, the outlet of air pump end of the utility model device is provided with flowrate control valve, regulation and control required air ratio, and the unnecessary gas that pneumatic pump can be produced carries out throttling.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model zirconia probe caliberating device.
1, demarcate air chamber, 2, zirconia probe, 3, standard display instrument, 4, power supply, 5, suspended body flowmeter, 6, nitrogen reduction valve, 7, oxygen pressure reducing valve, 8, nitrogen cylinder, 9, welding bottle, 10, flowrate control valve, 11, diffusion valve, 12, pneumatic pump, 13, air diffusion mouth, 14, air suction inlet.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, a kind of zirconia probe caliberating device of the utility model, comprise and demarcate air chamber 1, the inlet end of demarcating air chamber 1 is connected with the outlet side of suspended body flowmeter 5, the inlet end of suspended body flowmeter 5 is connected with nitrogen cylinder 8, welding bottle 7 and pneumatic pump 12 respectively, and pneumatic pump 12 outlet sides are provided with flowrate control valve 10; During use, zirconia probe to be calibrated 2 is inserted and demarcated in air chamber 1, zirconia probe 2 is connected with standard display instrument 3 with power supply 4 respectively.Pipeline between flowrate control valve 10 and pneumatic pump 12 is provided with collateral branch's pipeline, on this collateral branch's pipeline, diffusion valve 11 is installed, and diffusion valve 11 is connected with air diffusion mouth 13, and pneumatic pump 12 is connected with air suction inlet 14.
For avoiding producing not flow region of gas, demarcating air chamber 1 is hollow reverse taper, and demarcating one end that air chamber 1 inside diameter is less is the inlet end of demarcating air chamber 1, demarcates the larger one end of air chamber inside diameter and is provided with connecting thread.Cone 1/4 horizontal level even circumferential is offered 4 vent ports, and vent port diameter is 2mm.
The zirconia probe of misalignment is carried out to timing signal, and concrete steps are as follows:
First zirconia probe 2 is inserted and demarcates air chamber 1, connection power supply 4 and standard display instrument 3 energising preheating 15min make zirconia probe 2 temperature rise to 650 ℃ of left and right.First, open nitrogen reduction valve 6, regulate nitrogen reduction valve 6 apertures, making its output pressure is 0.1Mpa, and passing into 99.999% nitrogen, to regulate the flow value of suspended body flowmeter 5 be 200mL/min ± 10mL, and zirconia probe 2 is carried out to Zero calibration.
Secondly, pneumatic pump 12 is connected with air suction inlet 14, diffusion valve 11 is connected with air diffusion mouth 13, close nitrogen reduction valve 6, open diffusion valve 11, flowrate control valve 10 and pneumatic pump 12, the flow value that makes suspended body flowmeter 5 is that 200mL/min ± 10mL passes into air zirconia probe 2 is carried out to range designation.Then, close flowrate control valve 10, pneumatic pump 12, open diffusion valve 11, oxygen pressure reducing valve 7, regulate oxygen pressure reducing valve 7 valve openings, making its output pressure is 0.1Mpa, passing into 4.00～5.00% oxygen, to regulate the flow value of suspended body flowmeter 5 be 200mL/min ± 10mL, and zirconia probe 2 is carried out to process demarcation.
Repeat above-mentioned steps zirconia probe 2 is carried out to above demarcation 3 times, error is no more than 0.5% for qualified, can be installed to on-the-spot use.
The range of suspended body flowmeter 5 is 500mL/min, and timing signal need be adjusted into 200mL/min ± 10mL by flow, and the working temperature that guarantees zirconia probe 2 by control gas flow is 650 ℃ of left and right.
Nitrogen reduction valve 6 connection standard nitrogen cylinders 8, are adjusted into content to demarcate 99.999% pair of zero point, output pressure are adjusted into 0.1MPa simultaneously and make marked gas voltage stabilizing.
Oxygen pressure reducing valve 7 connection standard welding bottle 9, are adjusted into 4.00～5.5% by content, and oxygen content process is demarcated, and output pressure are adjusted into 0.1MPa simultaneously and make marked gas voltage stabilizing.
The utility model zirconia probe caliberating device can make the zirconia probe of misalignment again demarcate use, has saved enterprise's maintenance cost.
Claims (6)
1. a zirconia probe caliberating device, it is characterized in that, comprise and demarcate air chamber (1), the inlet end of demarcating air chamber (1) is connected with the outlet side of suspended body flowmeter (5), the inlet end of suspended body flowmeter (5) is connected with nitrogen cylinder (8), welding bottle (9) and pneumatic pump (12) respectively, and pneumatic pump (12) outlet side is provided with flowrate control valve (10); During use, zirconia probe to be calibrated (2) is inserted and demarcated in air chamber (1).
2. zirconia probe caliberating device as claimed in claim 1, it is characterized in that: between described welding bottle (9) and suspended body flowmeter (5), be provided with oxygen pressure reducing valve (7), between described nitrogen cylinder (8) and suspended body flowmeter (5), be provided with nitrogen reduction valve (6).
3. zirconia probe caliberating device as claimed in claim 1, is characterized in that: the pipeline between described flowrate control valve (10) and pneumatic pump (12) is provided with collateral branch's pipeline, and diffusion valve (11) is installed on this collateral branch's pipeline.
4. zirconia probe caliberating device as claimed in claim 1, is characterized in that: described demarcation air chamber (1) is hollow reverse taper, and demarcating one end that air chamber (1) inside diameter is less is the inlet end of demarcating air chamber (1).
5. zirconia probe caliberating device as claimed in claim 4, is characterized in that: the larger one end of described demarcation air chamber (1) inside diameter is provided with connecting thread.
6. zirconia probe caliberating device as claimed in claim 4, is characterized in that: on described demarcation air chamber (1) sidewall, be evenly equipped with a plurality of vent ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644912.3U CN203535028U (en) | 2013-10-19 | 2013-10-19 | Zirconia probe calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644912.3U CN203535028U (en) | 2013-10-19 | 2013-10-19 | Zirconia probe calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535028U true CN203535028U (en) | 2014-04-09 |
Family
ID=50421223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320644912.3U Expired - Fee Related CN203535028U (en) | 2013-10-19 | 2013-10-19 | Zirconia probe calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535028U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034770A (en) * | 2014-07-01 | 2014-09-10 | 安徽马钢自动化信息技术有限公司 | Hot standby probe of micro oxygen analyzer |
| CN111855911A (en) * | 2020-07-29 | 2020-10-30 | 中航长城计量测试(天津)有限公司 | Combustible gas distribution device |
| CN112255294A (en) * | 2020-09-11 | 2021-01-22 | 南京理工大学 | Zirconia oxygen measuring probe oxygen return rate correction system |
-
2013
- 2013-10-19 CN CN201320644912.3U patent/CN203535028U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034770A (en) * | 2014-07-01 | 2014-09-10 | 安徽马钢自动化信息技术有限公司 | Hot standby probe of micro oxygen analyzer |
| CN111855911A (en) * | 2020-07-29 | 2020-10-30 | 中航长城计量测试(天津)有限公司 | Combustible gas distribution device |
| CN112255294A (en) * | 2020-09-11 | 2021-01-22 | 南京理工大学 | Zirconia oxygen measuring probe oxygen return rate correction system |
| CN112255294B (en) * | 2020-09-11 | 2022-12-13 | 南京理工大学 | Zirconia oxygen probe returns oxygen rate correction system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203535028U (en) | Zirconia probe calibration device | |
| CN102806344B (en) | Oxygen-enriched ladle baking device by using low calorific value blast furnace coal gas | |
| CN204513798U (en) | A kind of Combustion of Hot Air Furnace control device | |
| CN103134328A (en) | Method and device for industrial furnace atmosphere automatic combustion control | |
| CN105510088A (en) | Sampling system for online gas sample analysis and monitoring of high-temperature flue gas emission | |
| CN206958963U (en) | A kind of kiln burning control system | |
| CA2903404C (en) | In situ probe with improved diagnostics and compensation | |
| CN107051242A (en) | A kind of dynamic gas distribution instrument and its air distributing method | |
| CN201778081U (en) | Annealing furnace control system | |
| CN110665419A (en) | Concentration adjusting device | |
| CN201984028U (en) | High-temperature standard steam-gas mixing and gas-distributing calibrating device | |
| CN203744293U (en) | Numerical controlled gas combustion device | |
| CN104296548B (en) | The temperature cascade control system of founding holding furnace and control method thereof | |
| CN210420008U (en) | Blast furnace iron notch oxygen enrichment device | |
| CN207918668U (en) | Glass total oxygen kiln atmosphere control system and glass total oxygen kiln | |
| CN200996853Y (en) | Liquid-level gauge | |
| CN204097319U (en) | Annealing furnace entrance sheet glass edge combustion heating system | |
| CN202870632U (en) | Cabinet integrated mass flow controller type bottom blowing device specially for metallurgy | |
| CN202033628U (en) | Test control system of building material oxygen index | |
| CN204227930U (en) | The temperature cascade control system of founding holding furnace | |
| AU2020102324A4 (en) | Online Monitoring Instrument for Multiple Environmental Elements | |
| CN205175109U (en) | Atmosphere protection heating furnace | |
| CN105180644A (en) | Muffle furnace and furnace pressure control method thereof | |
| CN205152286U (en) | Heat treatment furnace coal gas radiant tube of ability automatic balance coal gas flow | |
| CN205990371U (en) | A kind of device oxygen-enriched to catalytic cracking regenerator supply |
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 |
Granted publication date: 20140409 Termination date: 20141019 |
|
| EXPY | Termination of patent right or utility model |