CN203337628U - Deoxidation catalyst detection device - Google Patents
Deoxidation catalyst detection device Download PDFInfo
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- CN203337628U CN203337628U CN2013202681501U CN201320268150U CN203337628U CN 203337628 U CN203337628 U CN 203337628U CN 2013202681501 U CN2013202681501 U CN 2013202681501U CN 201320268150 U CN201320268150 U CN 201320268150U CN 203337628 U CN203337628 U CN 203337628U
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Abstract
The utility model designs a deoxidation catalyst detection device. The deoxidation catalyst detection device is characterized by comprising a shell, a cooler, a filter, a reducing valve, a three-way valve, a flow meter, a valve, an oxygen content analyzer, a hydrogen content analyzer, a flexible pipe and a power supply. The deoxidation catalyst detection device has the positive effects that the hydrogen content in nitrogen processed by a deoxidation catalyst can be detected by the hydrogen content analyzer; reasonable adjustment on the hydrogen content input into a deaerator is facilitated; enrichment of the hydrogen in the nitrogen is avoided; explosion caused by over-high hydrogen content in the nitrogen is prevented; the oxygen content in the nitrogen processed by the deoxidation catalyst can be detected by the oxygen content analyzer, so that the active degree of the deoxidation catalyst is indirectly detected; strong evidence is provided for maintaining and replacing of the deoxidation catalyst. Meanwhile, the deoxidation catalyst detection device is simple in structure, simple to operate, low in price, fast in response speed, and suitable for a building user and a maintaining unit of nitrogen generating equipment.
Description
Technical field
The utility model relates to a kind of catalyzer pick-up unit, specifically relates to a kind of dehydrogenation catalyst pick-up unit.
Background technology
The equipment of making nitrogen with membrane separation process high purity nitrogen, the dehydrogenation catalysts that adopt are removed the trace oxygen in nitrogen more, dehydrogenation catalyst adopts the mode deoxygenation of hydrogenation usually,, under the effect of dehydrogenation catalyst, thereby hydrogen and oxygen reaction generate water, the trace oxygen in nitrogen is removed.
For dehydrogenation catalyst, along with the time limit used increases, dust, carbon deposit, higher boiling stickum invest catalyst surface, and covering catalyst avtive spot and active component reunion sintering, cause active sites quantity to subtract greatly, active decline, ultimate failure; In addition, when oxygen being reduced to processing, excessive hydrogen gas accumulation can cause hydrogen partial not flow out with nitrogen with oxygen reaction in dehydrogenation catalyst, makes the hydrogen content in nitrogen raise.
For dehydrogenation catalyst, in use, must control the addition of hydrogen, prevent from adding excess hydrogen and cause hydrogen content in nitrogen to raise, after dropping to a certain degree, the activity of dehydrogenation catalyst it must be changed, otherwise, be difficult to reach deaerating effect.
Present stage comparatively accurately judges that the method for dehydrogenation catalyst activity is, analyze dehydrogenation catalyst surface composition metamorphosis and active component distribution with scanning electron microscope and energy spectrometer spectroanalysis instrument, but scanning electron microscope and energy spectrometer spectroanalysis instrument be units up to a million easily, domestic consumer and general maintaining unit can't have at all, they are fixed by rule of thumb for the activity judgment of dehydrogenation catalyst substantially, have very large deviation in the middle of this; Equally, for the hydrogen richness in nitrogen, measure, domestic consumer and general maintaining unit also lack necessary checkout equipment.
Therefore, need a kind of structure of exploitation and simple to operate, low price, fast response time, the pick-up unit of hydrogen content in the time of detecting online dehydrogenation catalyst activity and nitrogen and go out dehydrogenation catalyst.
The utility model content
The dehydrogenation catalyst pick-up unit of the purpose of this utility model is to provide a kind of structure and simple to operate, low price, fast response time, can detect online dehydrogenation catalyst activity and nitrogen while going out dehydrogenation catalyst hydrogen content.
The utility model dehydrogenation catalyst pick-up unit is comprised of refrigeratory, filtrator, reduction valve, T-valve, flowmeter, hydrogen content analyser, oxygen content analyser, valve, flexible pipe, dividing plate, housing, power supply.
Described refrigeratory (1) is used for carrying out cooling from the high temperature nitrogen after dehydrogenation catalyst is processed in oxygen-eliminating device, the gas feed of refrigeratory (1) is connected with flexible pipe (16) by joint, and the gas outlet tube of refrigeratory (1) is connected with the air intake opening of filtrator (14) by pipeline.
Described flowmeter one (3), flowmeter two (10) are used for controlling the gas flow that enters hydrogen content analyser (5) and oxygen content analyser (8), the gas feed of flowmeter one (3), flowmeter two (10) is connected with the gas vent of T-valve (12) by pipeline, and the gas vent of flowmeter one (3), flowmeter two (10) is connected with the gas feed of valve one (4), valve four (9) respectively by pipeline.
Described hydrogen content analyser (5) is used for the content of hydrogen in measurement gas, the gas feed of hydrogen content analyser (5) is connected with the gas vent of valve one (4) by pipeline, and the gas vent of hydrogen content analyser (5) is connected with the gas feed of valve two (6) by pipeline.
Described oxygen content analyser (8) is used for the content of oxygen in measurement gas, the gas feed of oxygen content analyser (8) is connected with the gas vent of valve four (9) by pipeline, and the gas vent of oxygen content analyser (8) is connected with the gas feed of valve three (7) by pipeline.
Described filtrator (14) is used for the solid impurity in gas and a small amount of liquid moisture filter are removed.
Described reduction valve (13) is used for reducing gaseous tension, prevent the gas shock analysis instrument that pressure is higher and cause the damage of analyser, the gas feed of reduction valve (13) is connected with the gas vent of filtrator (14) by pipeline, and the gas vent of reduction valve (13) is connected with the gas feed of T-valve (12) by pipeline.
Described flexible pipe (16) is used for connecting refrigeratory (1) and oxygen-eliminating device.
Good effect of the present utility model is, can detect hydrogen content in the nitrogen after dehydrogenation catalyst is processed by the hydrogen content analyser, be convenient to rationally to regulate to the amounts of hydrogen of inputting in oxygen-eliminating device, avoid the enrichment of hydrogen in nitrogen, prevent from setting off an explosion because hydrogen content is too high in nitrogen; Can detect the oxygen content in the nitrogen after dehydrogenation catalyst is processed by the oxygen content analyser, thereby indirect detection has gone out the level of activity of dehydrogenation catalyst, provide strong evidence for safeguarding and changing dehydrogenation catalyst, simultaneously dehydrogenation catalyst structure of the detecting device and simple to operate, low price, fast response time, the applying unit and the maintaining unit that are applicable to the equipment of making nitrogen are used.
The accompanying drawing explanation
Fig. 1 is the structural representation in the utility model front.
In the drawings: 1, refrigeratory, 2, power supply, 3, flowmeter, 4, valve one, 5, hydrogen content analyser, 6, valve two, 7, valve three, 8, oxygen content analyser, 9, valve four, 10, flowmeter, 11, dividing plate one, 12, T-valve, 13, reduction valve, 14, filtrator, 15, dividing plate two, 16, flexible pipe, 17, housing.
Embodiment
Below in conjunction with the drawings and the specific embodiments, enforcement of the present utility model is described further.
As shown in Figure 1, dividing plate one (11), dividing plate two (15) is divided into a left side by housing (17), in, right three Room, it is left indoor that refrigeratory (1) is arranged on housing (17), power supply (2), T-valve (12), reduction valve (13), filtrator (14) is arranged in housing (17) indoor, hydrogen content analyser (5), oxygen content analyser (8), flowmeter one (3), flowmeter two (10), valve one (4), valve two (6), valve three (7), valve four (9) is embedded in housing (17) right ventricle, flexible pipe (16) is through housing (17), the air intake opening of flexible pipe (16) is connected with oxygen-eliminating device sample gas escape hole by valve, the draft tube of refrigeratory (1) is connected with the gas outlet of flexible pipe (16) by joint, the gas outlet of refrigeratory (1) is connected with the air intake opening of filtrator (14) by pipeline, the air intake opening of reduction valve (13) is connected with the gas outlet of filtrator (14) by pipeline, the gas outlet of reduction valve (13) is connected with T-valve (12) air intake opening by pipeline, two gas outlets of T-valve (12) by pipeline respectively with flowmeter one (3), the air intake opening of flowmeter two (10) connects, the air intake opening of valve one (4) is connected with the gas outlet of flowmeter one (3) by pipeline, the gas outlet of valve one (4) is connected with the air intake opening of hydrogen content analyser (5) by pipeline, the air intake opening of valve two (6) is connected with the gas outlet of hydrogen content analyser (5) by pipeline, the gas outlet of valve two (6) leads to atmosphere, the air intake opening of valve three (7) is connected with the gas outlet of oxygen content analyser (8) by pipeline, the gas outlet of valve three (7) leads to atmosphere, the air intake opening of valve four (9) is connected with the gas outlet of flowmeter two (10) by pipeline, the gas outlet of valve four (9) is connected with the air intake opening of oxygen content analyser (8) by pipeline, power supply (2) is refrigeratory (1), hydrogen content analyser (5), oxygen content analyser (8) provides power supply.
Principle of work is: the sample gas after dehydrogenation catalyst is processed out enters refrigeratory (1) by flexible pipe (16) from the sample gas exhaust valve of oxygen-eliminating device, be cooled to room temperature in refrigeratory (1), enter filtrator (14), remove moisture and solid impurity, be divided into two-way through the post-decompression T-valve (12) that enters of reduction valve (13): a road enters hydrogen content analyser (5) through flowmeter one (3), valve one (4), and discharge the gas outlet from valve two (6) after processing by analysis; Another road enters oxygen content analyser (8) through flowmeter two (10), valve four (9), and discharge the gas outlet from valve three (7) after processing by analysis.
Claims (1)
1. a dehydrogenation catalyst pick-up unit, be comprised of refrigeratory, filtrator, reduction valve, T-valve, flowmeter, hydrogen content analyser, oxygen content analyser, valve, flexible pipe, dividing plate, housing, power supply, it is characterized in that: the gas feed of described refrigeratory (1) is connected with flexible pipe (16) by joint, the gas vent of refrigeratory (1) is connected with the air intake opening of filtrator (14) by pipeline, flowmeter one (3), the gas feed of flowmeter two (10) is connected with the gas vent of T-valve (12) by pipeline, flowmeter one (3), the gas vent of flowmeter two (10) by pipeline respectively with valve one (4), the gas feed of valve four (9) connects, the gas feed of hydrogen content analyser (5) is connected with the gas vent of valve one (4) by pipeline, the gas vent that hydrogen content is analyzed (5) is connected with the gas feed of valve two (6) by pipeline, the gas feed that oxygen content is analyzed (8) is connected with the gas vent of valve four (9) by pipeline, the gas vent of oxygen content analyser (8) is connected with the gas feed of valve three (7) by pipeline, the gas feed of reduction valve (13) is connected with the gas outlet of filtrator (14) by pipeline, the gas vent of reduction valve (13) is connected with the gas vent of T-valve (12) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202681501U CN203337628U (en) | 2013-05-03 | 2013-05-03 | Deoxidation catalyst detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202681501U CN203337628U (en) | 2013-05-03 | 2013-05-03 | Deoxidation catalyst detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337628U true CN203337628U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202681501U Expired - Fee Related CN203337628U (en) | 2013-05-03 | 2013-05-03 | Deoxidation catalyst detection device |
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| CN (1) | CN203337628U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405001A (en) * | 2016-06-17 | 2017-02-15 | 大唐国际发电股份有限公司张家口发电厂 | An on-line oxygen content monitoring device for hydrogen |
| CN107782853A (en) * | 2017-10-16 | 2018-03-09 | 北京三聚环保新材料股份有限公司 | A kind of evaluation system for being used to detect deoxidier performance |
| CN109100353A (en) * | 2018-10-24 | 2018-12-28 | 中国矿业大学(北京) | A kind of deoxidier deoxy performance measurement device |
| CN112946195A (en) * | 2021-02-03 | 2021-06-11 | 中油锐思技术开发有限责任公司 | Multi-element thermal fluid residual oxygen detection device |
-
2013
- 2013-05-03 CN CN2013202681501U patent/CN203337628U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405001A (en) * | 2016-06-17 | 2017-02-15 | 大唐国际发电股份有限公司张家口发电厂 | An on-line oxygen content monitoring device for hydrogen |
| CN107782853A (en) * | 2017-10-16 | 2018-03-09 | 北京三聚环保新材料股份有限公司 | A kind of evaluation system for being used to detect deoxidier performance |
| CN107782853B (en) * | 2017-10-16 | 2020-05-22 | 北京三聚环保新材料股份有限公司 | Evaluation system for detecting performance of deoxidizing agent |
| CN109100353A (en) * | 2018-10-24 | 2018-12-28 | 中国矿业大学(北京) | A kind of deoxidier deoxy performance measurement device |
| CN109100353B (en) * | 2018-10-24 | 2020-04-14 | 中国矿业大学(北京) | Deoxidizing performance measuring device for deoxidizing agent |
| CN112946195A (en) * | 2021-02-03 | 2021-06-11 | 中油锐思技术开发有限责任公司 | Multi-element thermal fluid residual oxygen detection device |
| CN112946195B (en) * | 2021-02-03 | 2023-10-03 | 中油锐思技术开发有限责任公司 | Multi-element thermal fluid residual oxygen detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140503 |