CN1311918C - Method for removing pollution of measuring channel on-line type photoelectric analysis system and its apparatus - Google Patents
Method for removing pollution of measuring channel on-line type photoelectric analysis system and its apparatus Download PDFInfo
- Publication number
- CN1311918C CN1311918C CNB2004100533712A CN200410053371A CN1311918C CN 1311918 C CN1311918 C CN 1311918C CN B2004100533712 A CNB2004100533712 A CN B2004100533712A CN 200410053371 A CN200410053371 A CN 200410053371A CN 1311918 C CN1311918 C CN 1311918C
- Authority
- CN
- China
- Prior art keywords
- root valve
- scrubbing
- throne
- decontamination apparatus
- passage
- 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 - Lifetime
Links
- 238000004458 analytical method Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000000523 sample Substances 0.000 claims abstract description 39
- 238000005201 scrubbing Methods 0.000 claims description 84
- 238000005202 decontamination Methods 0.000 claims description 33
- 230000003588 decontaminative effect Effects 0.000 claims description 33
- 230000009897 systematic effect Effects 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 208000035126 Facies Diseases 0.000 claims description 2
- 239000012459 cleaning agent Substances 0.000 abstract description 3
- 230000001680 brushing effect Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 241001247986 Calotropis procera Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a method and a device for maintaining an on-position photoelectric analysis system. The dirt removing method comprises the following steps: a. a root valve arranged on a passage is closed; b. a measuring probe of the analysis system arranged at the outer end of the root valve is disassembled, and a dirt removing device matched with the measuring probe of the analysis system is installed, so measured environment and the outside are still in the isolated state; c. the root valve is opened, the dirt removing device is operated, and clogging filth is cleared; d. after the clogging filth is cleared, the root valve is closed; e. the dirt removing device is disassembled, and the measuring probe of the analysis system is installed again. In the special dirt removing device, the outer side of the root valve is provided with a dirt removing sleeve barrel, and structures of a dirt removing member which can extend to an inner side passage through the root valve and the like are arranged in the root valve, so sealed performance is good, dirt is removed at any time, and the clogging is cleared at any time. The method and the device realizes removing dirt without stopping a vehicle, so the use rate is obviously enhanced; clogging filth is cleared through the poking, the stabbing, the pushing, the drilling, the brushing and the like of a dirt removing tool without needing cleaning agent or damaging equipment. The device has the advantages of simple structure, easy assembly, simple and quick operating process, and easy practice.
Description
Technical field
The present invention relates to formula photoelectric analysis on the throne system, especially relate to a kind of method and device thereof that formula photoelectric analysis on the throne system is safeguarded.
Background technology
Formula photoelectric analysis on the throne system, as formula semi-conductor laser gas analyzing system on the throne, formula semiconductor laser dust analysis on the throne system etc., can the various procedure parameters of real-time analysis on the throne, need not analyzed process medium is sampled, have a wide range of applications in fields such as modern industry, scientific research, environmental protection.The operation principle of such analytical system be from measuring probe one light beams of the light emitted in the light emitting members in tested process environment, photoelectric sensor in corresponding with it (another) measuring probe in the light-receiving member detects transmitted light, scattered light or the reverberation of above-mentioned light beam, by detected optical signal analysis being obtained need the procedure parameter of measurement such as the concentration of industrial process gas.Measurement result is normally used for carrying out process control, process optimization and safety guarantee etc.
The installation of such analytical system will be gone up perforate at the chamber or the pipeline (as various flues) of test environment earlier, and welding is fastened in the hole as flange a mechanical connecting structure (call in the following text and connect body).For can be under the not interrupted situation of process the installation and maintenance analytical system, generally a body back installation valve (calling root valve in the following text) can connected, as ball valve, the measuring probe of analytical system then is fixed on another mechanical connecting structure (calling connector in the following text) in the valve outside or the valve outside as on the flange.Shut valve during installation and maintenance, open valve during operate as normal.In order to make analytical system energy operate as normal, under the situation of valve open, usually must accomplish following 3 points: 1, the light beam that sends from the measuring probe light emitting members must accurately be received by (another) measuring probe light-receiving member, just must guarantee the correctness of measuring probe emission, receiving-member light path; Usually by being installed, the light path governor motion guarantees; 2, (call in the following text and measure passage) from the light source of measuring probe light emitting members to the passage the photoelectric sensor of (another) measuring probe light-receiving member, comprise the aperture, inside that connects body, valve etc. therebetween, must keep certain smoothness, to prevent the interception that is blocked in the light beam transmission receiving course betwixt; 3, each system unit, comprise measuring probe, connect body, valve etc., good sealing property must be arranged, to prevent that dielectric leakage in the tested process environment from entering test environment to space outerpace or space outerpace medium such as air and influencing measurement result, influence technical process even set off an explosion.
In a lot of application scenarios, especially in the long-play process, the material in the test environment, as dust, greasy dirt etc., can measure in the passage in analytical system at leisure, as connect the place, aperture, inside of body, deposit and the formation obstruction, cause analytical system normally not move, even thoroughly quit work.When the passage obstruction takes place when, usually the method that adopts is to wait until when maintenance is stopped in industrial process, scientific experiment etc. now, pull down the parts of system, as connector, valve etc., water, alcohol, chemicals etc. clean, to being welded on the body that connects on tested chamber or the pipeline, then using instruments such as iron wire, iron staff, brush to disclose inward and remove the dirt that results in blockage.Other adopted methods comprise: under the situation that process is stopped, the analytical system of dismantling measuring probe washes away and carries out the scrubbing cleaning connecing brute force in the passage such as high-pressure water tap, high-temperature vapor, chemicals on the connector.There are a lot of obvious defects in these methods, for example, must wait until when parkings such as industrial process, scientific experiment are keeped in repair and to carry out, stand-by period reaches several months sometimes to one or two years, during this period, analytical system will by idle, can't bring into play it and answer role, significantly reduced the using value of analytical system in these process point; System often will take apart one by one and carry out the scrubbing cleaning, the light path governor motion also may be opened, cleaning out like this needs a large amount of debugging work to readjust light path after reinstalling, expend great amount of manpower and material resources and time, and can exert an influence to production operation; If adopt flush clean such as water under high pressure, high-temperature water vapor, chemicals, these materials can enter into the chamber or the pipeline of test environment, may influence technical process, and may cause corrosion to chamber or duct wall.
Summary of the invention
The present invention mainly is that the measurement passage of solution formula photoelectric analysis on the throne system deposits foreign material easily through long-time the use, form and stop up, influence the operate as normal of system, prior art can't realize the scrubbing of not stopping, cause the analytical system utilization rate not high, influence the technical problem of production operation etc.
The present invention also solves the auxiliary cleaning agent of existing in prior technology simultaneously and easily chamber or duct wall is caused damage, reduces service life, and the process of scrubbing and operation are comparatively loaded down with trivial details, and not satisfactory etc. the technical problem of effect.
It is higher that the present invention has also solved existing in prior technology cleaning maintenance cost, and it is longer to expend time in, the technical problem of Installation and Debugging difficulty etc.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of method for separating polluted particles of formula photoelectric analysis systematic survey passage on the throne, described photoelectric analysis system comprises the measurement passage, on passage, be provided with root valve, the outside of root valve is provided with measuring probe, it is characterized in that described method for separating polluted particles includes following step: a. and closes the root valve that is arranged on the passage, make the test environment and the external world be in isolation; B. unload the analytical system measuring probe that is installed in the root valve outside, install the decontamination apparatus that matches with it; C. open root valve, the scrubbing part in the operation decontamination apparatus keeps the test environment and the external world to be in isolation, and the obstruction dirt that is positioned in the passage is cleared up; D. after cleaning out, the scrubbing part is withdrawn into the root valve outside, closes root valve; E. unload decontamination apparatus, load onto the analytical system measuring probe again.In addition, the present invention can just can not have influence on the light path governor motion when dismantling measuring probe like this dismounting place of measuring probe design after the light path governor motion, just can come into operation thereby reinstall need not debug or only need to do slightly debugging behind the measuring probe.The present invention has realized rapid decontamination block clearing under the not parking situation easily by the control to root valve, by dismounting place of measuring probe design has significantly been reduced debugging work load the light path governor motion after, thereby solved the defective of prior art existence effectively.The root valve here can adopt valve body structures such as ball valve, magnetic valve, tongue tube.
As preferably, described formula photoelectric analysis on the throne system is formula semiconductor laser gas system on the throne or formula semiconductor laser dust analysis on the throne system.
For the ease of operation, connector matched outside described analytical system measuring probe and the described root valve is connected; The connected mode of described decontamination apparatus and connector adopt with analytical system measuring probe and connector between the identical connected mode that is connected; The matched connector in the analytical system measuring probe and the root valve outside adopts the mounting means of flange or knot that can be undone by a pull or screw thread or locking clip formula.
A kind of decontamination apparatus that is used for formula photoelectric analysis systematic survey passage on the throne, be arranged on root valve one side on the measurement passage that is connected with measured environment facies, it is characterized in that the scrubbing sleeve being arranged in described root valve arranged outside, be provided with the scrubbing part that can extend inner channel through root valve in it, the auxiliary section of described scrubbing sleeve and scrubbing part is provided with some seals.Wherein, the described root valve outside, it can be the outboard end of described root valve, also can be that outboard end with the matched connector of described root valve is provided with the scrubbing sleeve, be provided with the scrubbing part that can extend inner channel through root valve in it, the auxiliary section of described scrubbing sleeve and scrubbing part is provided with some seals.The scrubbing sleeve can be rigid element such as stainless steel sleeve, also can be compliant member such as rubber bush or bellows sleeve etc.Sealing between scrubbing sleeve and the connector can be passed through flexible sealing element or material, as rubber sleeve, O type circle, graphite pads, sealing fluid etc., realizes.This flexible sealing element can be the part of scrubbing sleeve or connector.When adopting compliant member to make the scrubbing sleeve, scrubbing part and scrubbing sleeve can be one, also can separate.In the time of separately, the sealing between scrubbing part and the scrubbing sleeve can be passed through flexible sealing element or material, as rubber sleeve, O type circle, graphite pads, sealing fluid etc., realizes.This flexible sealing element can be the part of scrubbing sleeve or scrubbing part.
As preferably, described formula photoelectric analysis on the throne system is formula semiconductor laser gas system on the throne or formula semiconductor laser dust analysis on the throne system.
As preferably, the auxiliary section of described scrubbing sleeve and described scrubbing part is provided with guide way.
As preferably, the matched connector in described decontamination apparatus and the described root valve outside is connected; The connected mode of described decontamination apparatus and connector adopt with analytical system measuring probe and connector between the identical connected mode that is connected; The matched connector in the described decontamination apparatus and the root valve outside adopts the syndeton of flange or knot that can be undone by a pull or screw thread or locking clip formula.
As preferably, be provided with the scrubbing gasket ring between described connector and the described scrubbing sleeve, and outside described connector and scrubbing sleeve, be provided with the securing member locking clip that both is fastened on one.
In order to improve the scrubbing effect, the end of described scrubbing part disposes tapered head or scrubbing aids such as drill bit or wire brush.
As preferably, be provided with elastic seal ring between described scrubbing gasket ring and the scrubbing sleeve, and both relative positions are regulated it by fastening adjustment screws provided thereon.Realizing the direction of motion of scrubbing instrument in the scrubbing sleeve than the adjusting in the polarizers of big angle scope, make the scrubbing instrument can differ, curve that the advance and retreat motion realizes large-scale scrubbing freely in the tortuous passage at width.
For the ease of assembling, simplify working process, thereby realize not stopping cleanings, as preferably, described connector adopts ring flange, the elongated scrubbing rod of described scrubbing part employing.The scrubbing rod here can be cylindrical or strip, and its rigidity can design as the case may be, also can adopt the plurality of sections that is coupled together by the joint to form, and makes the scrubbing rod can advance and retreat motion freely in passage.
Therefore, the present invention has following advantage: 1, because the Seal Design of decontamination apparatus, cooperate with root valve under the situation about wanting of can in officely what is the need for, at any time carry out the scrubbing blocking cleaning work, need not wait for parkings such as industrial process, scientific experiment, realize not stopping scrubbing, thereby improved the utilization rate and the result of use of analytical system significantly; 2, the removing of tamper is to stab to push to bore to brush to wait by disclosing of scrubbing instrument and aid thereof to realize, can not need to use any cleaning agent, thereby can not produce damage to equipment, prolong service life; 3, decontamination apparatus simple in structure, be easy to the assembling, the operating process of whole scrubbing block clearing is simple and easy, quick, and is easy to implement; 4, when operation only need disassemble analytical system measuring probe connector from the pipeline of the root valve outside, loads onto decontamination apparatus and gets final product, and after scrubbing finishes, the analytical system measuring probe reinstalled on the connector again.Owing in the scrubbing process, not have dismounting or move to guarantee the governor motion of analytical system light path correctness, can need not debugging or do slightly to debug and to come into operation after reinstalling measuring probe.
Description of drawings
Accompanying drawing 1 is a kind of working state structure schematic diagram of the present invention;
Accompanying drawing 2 is sectional structure schematic diagrames of a kind of decontamination apparatus of the present invention.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
As shown in Figure 1, process pipeline 1 directly with connect body 2 and be connected, an end of root valve 3 is with to connect body 2 matched, its other end links to each other with decontamination apparatus 5 by connector 4, here connect body 2 and connector 4 all adopts ring flange.At connector 4 with connect the axis direction that governor motion 6 (using elastic caoutchouc O shape circle and fastening bolt in the present embodiment as governor motion) is regulated connector, the correctness of assurance photoelectric analysis system light path are housed between the body 2.As shown in Figure 2, be provided with scrubbing sleeve 17, be provided with the scrubbing part 11 that can extend root valve 3 inner channel in it through root valve 3 with the outboard end of the matched connector 4 of root valve 3.Scrubbing part 11 adopts elongated scrubbing rod, and the end of scrubbing rod is provided with screw and can be used to assemble auxiliary scrubbing instruments such as tapered head, drill bit, brush.Also be provided with scrubbing gasket ring 13 between connector 4 and the scrubbing sleeve 17, and outside connector 4 and scrubbing sleeve 17, be provided with the securing member locking clip 18 that both is fastened on one.Between scrubbing gasket ring 13 and scrubbing sleeve 17, be provided with elastic seal ring 14, and both relative positions are used for changing the direction of motion of scrubbing part 11 in the scrubbing sleeve 17 by fastening adjustment screws provided thereon 15 adjustings.Scrubbing sleeve 17 is provided with guide way with the auxiliary section of described scrubbing part 11, and scrubbing sleeve 17 is provided with several sealed part 16 with enhanced leaktightness with the auxiliary section of described scrubbing part 11.Be provided with sealing O type rubber ring 12 at connector 4 and 13 of scrubbing gasket rings, to realize sealing.
During use, close root valve 3, unload the measuring probe that is installed on the connector 4, because root valve 3 has been closed, test environment is that the process medium and the external environment of process pipeline 1 inside is seal isolation.Decontamination apparatus 5 of the present invention is installed in connector 4 back, fastening, open root valve 3, at this moment, because the Seal Design of decontamination apparatus 5 itself, test environment and external environment are still isolation, scrubbing part 11 on forward impelling (rotation) the motion decontamination apparatus is disclosed out and is back in the process pipeline 1 stopping up dirt.After scrubbing finishes, the scrubbing instrument is returned to root valve 3 back, close root valve 3, pull down decontamination apparatus 5.Because root valve 3 is in closed condition, test environment and external environment are still isolation, load onto measuring probe again, open root valve 3.
Owing to do not have dismounting in the above-mentioned scrubbing blocking cleaning work process or move the governor motion 6 that guarantees photoelectric analysis system light path correctness, as long as it is solid and reliable, repeatable high photoelectric analysis systematic survey probe to be installed to the mounting means of connector 4, the light path of then photoelectric analysis system should be still intact.Usually, the photoelectric analysis measuring probe uses the identical mode that is connected and installed (present embodiment uses locking clip 18 to install) to be installed on the connector 4 with decontamination apparatus.Therefore, analytical system need not debugging or can come into operation once more after a small amount of debugging, and at this moment, the isolation of test environment and external environment is guaranteed by measuring probe self seal characteristic.
Claims (10)
1. the method for separating polluted particles of a formula photoelectric analysis systematic survey passage on the throne, described photoelectric analysis system comprises the measurement passage, on passage, be provided with root valve (3), the outside of root valve (3) is provided with measuring probe, it is characterized in that described method for separating polluted particles includes following step: a. and closes the root valve (3) that is arranged on the passage, make the test environment and the external world be in isolation; B. unload the analytical system measuring probe that is installed in the root valve outside, install the decontamination apparatus (5) that matches with it; C. open root valve, the scrubbing part (11) in the operation decontamination apparatus (5) keeps the test environment and the external world to be in isolation, and the obstruction dirt that is positioned in the passage is cleared up; D. after cleaning out, scrubbing part (11) is withdrawn into root valve (3) outside, closes root valve (3); E. unload decontamination apparatus (5), load onto the analytical system measuring probe again.
2. the method for separating polluted particles of formula photoelectric analysis systematic survey passage on the throne according to claim 1 is characterized in that described formula photoelectric analysis on the throne system is formula semiconductor laser gas system on the throne or formula semiconductor laser dust analysis on the throne system.
3. the method for separating polluted particles of formula photoelectric analysis systematic survey passage on the throne according to claim 1 is characterized in that the matched connector (4) in the described analytical system measuring probe and described root valve (3) outside is connected; The connected mode of described decontamination apparatus (5) and connector (4) adopt with analytical system measuring probe and connector (4) between the identical connected mode that is connected; The matched connector (4) in analytical system measuring probe and root valve (3) outside adopts the mounting means of flange or knot that can be undone by a pull or screw thread or locking clip formula.
4. decontamination apparatus that is used for formula photoelectric analysis systematic survey passage on the throne, be arranged on root valve (3) one sides on the measurement passage that is connected with measured environment facies, it is characterized in that scrubbing sleeve (17) being arranged in described root valve (3) arranged outside, be provided with the scrubbing part (11) that can extend inner channel through root valve (3) in it, described scrubbing sleeve (17) is provided with some seals (16) with the auxiliary section of scrubbing part (11).
5. the decontamination apparatus of formula photoelectric analysis systematic survey passage on the throne according to claim 4 is characterized in that in described formula photoelectric analysis on the throne system be formula semiconductor laser gas system on the throne or formula semiconductor laser dust analysis on the throne system.
6. the decontamination apparatus of formula photoelectric analysis systematic survey passage on the throne according to claim 4 is characterized in that being provided with guide way in the auxiliary section of described scrubbing sleeve (17) and described scrubbing part (11).
7. the decontamination apparatus of formula photoelectric analysis systematic survey passage on the throne according to claim 4 is characterized in that the matched connector (4) in the described decontamination apparatus (5) and described root valve (3) outside is connected; The connected mode of described decontamination apparatus (5) and connector (4) adopt with analytical system measuring probe and connector (4) between the identical connected mode that is connected; The matched connector (4) in the described decontamination apparatus (5) and root valve (3) outside adopts the syndeton of flange or knot that can be undone by a pull or screw thread or locking clip formula.
8. the decontamination apparatus of formula photoelectric analysis systematic survey passage on the throne according to claim 7, it is characterized in that between described connector (4) and described scrubbing sleeve (17), being provided with scrubbing gasket ring (13), and outside described connector (4) and scrubbing sleeve (17), be provided with the securing member locking clip (18) that both is fastened on one.
9. according to the decontamination apparatus of claim 4 or 5 or 6 described formula photoelectric analysis systematic survey passages on the throne, it is characterized in that disposing tapered head or drill bit or wire brush in the end of described scrubbing part (11).
10. the decontamination apparatus of formula photoelectric analysis systematic survey passage on the throne according to claim 7, it is characterized in that between described scrubbing gasket ring (13) and scrubbing sleeve (17), being provided with elastic seal ring (14), and both relative positions are regulated it by fastening adjustment screws provided thereon (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100533712A CN1311918C (en) | 2004-07-23 | 2004-07-23 | Method for removing pollution of measuring channel on-line type photoelectric analysis system and its apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100533712A CN1311918C (en) | 2004-07-23 | 2004-07-23 | Method for removing pollution of measuring channel on-line type photoelectric analysis system and its apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1724182A CN1724182A (en) | 2006-01-25 |
| CN1311918C true CN1311918C (en) | 2007-04-25 |
Family
ID=35923887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100533712A Expired - Lifetime CN1311918C (en) | 2004-07-23 | 2004-07-23 | Method for removing pollution of measuring channel on-line type photoelectric analysis system and its apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1311918C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8583202B2 (en) * | 2010-08-31 | 2013-11-12 | Nexans | Method of managing thermal contraction of a superconductor cable and arrangement for implementing this method |
| CN102764747B (en) * | 2012-07-03 | 2015-02-25 | 安徽工业大学 | Method and device for descaling inner wall of metal pipeline based on laser impact wave technology |
| CN103063591B (en) * | 2012-12-26 | 2015-07-01 | 重庆川仪自动化股份有限公司 | Laser analyzer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453417A (en) * | 1982-03-08 | 1984-06-12 | Anderson, Greenwood & Company | Unitized measurement instrument connector apparatus |
| US4938246A (en) * | 1989-11-06 | 1990-07-03 | Conley Jeff A | Cleaning tool for a valve manifold |
| US6691731B1 (en) * | 2003-06-11 | 2004-02-17 | Jamie L. Thompson | Corporation stop cleaning device |
-
2004
- 2004-07-23 CN CNB2004100533712A patent/CN1311918C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453417A (en) * | 1982-03-08 | 1984-06-12 | Anderson, Greenwood & Company | Unitized measurement instrument connector apparatus |
| US4938246A (en) * | 1989-11-06 | 1990-07-03 | Conley Jeff A | Cleaning tool for a valve manifold |
| US6691731B1 (en) * | 2003-06-11 | 2004-02-17 | Jamie L. Thompson | Corporation stop cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1724182A (en) | 2006-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1311918C (en) | Method for removing pollution of measuring channel on-line type photoelectric analysis system and its apparatus | |
| KR200397044Y1 (en) | Apparatus for testing of gas leaking | |
| CN108266643A (en) | Detection method in a kind of gas pipeline | |
| CN203811332U (en) | Shield positioning cover special for SF6 qualitative leak detector | |
| CN211374456U (en) | Probe device for testing high-temperature corrosion resistance of metal material on heating surface of boiler | |
| CN100596329C (en) | Changing method of inner tube of on-line photoelectric analysing system and its device | |
| CN202119456U (en) | Installing apparatus for device online monitoring | |
| CN111272361B (en) | Single tube pressure test and leakage detection tool for tube type heat exchanger | |
| CN103759898B (en) | SF6qualitative leak detector private mask locating cover detection method | |
| CN108007843B (en) | Device and method for evaluating permeability of dissolved oxygen in anti-corrosion coating at high temperature and high pressure | |
| CN2929706Y (en) | Inner tube replacing device for on-chip photoelectric analytic system | |
| CN201034794Y (en) | Test calibration device used for acoustic wave leak detection system | |
| JP2004317148A (en) | Dust concentration measurement device | |
| KR200267881Y1 (en) | Electrical penetration assemblies with pressure monitoring system used of tube-lock assembly | |
| CN113607889B (en) | Fluid measuring device capable of being overhauled on line | |
| CN110608992A (en) | Probe device and method for testing high-temperature corrosion resistance of metal material on heating surface of waste incineration boiler | |
| CN201269860Y (en) | Humidity measurement device in emitted flue gas | |
| RU222515U1 (en) | Gravimetric corrosion monitoring device | |
| CN111006823A (en) | Self-sealing test flange and sealing monitoring method | |
| CN221351410U (en) | Industrial waste gas detection device | |
| CN116008310B (en) | Quick-installation online crude oil water content detection device and installation method thereof | |
| CN217466132U (en) | Pressure pipeline leakage detection device | |
| CN216247410U (en) | SCR flue gas multipoint sampling and leakage detection dredging device | |
| CN217332076U (en) | Continuous monitor for concentration of post-scattering smoke dust | |
| CN219253547U (en) | Novel get quick sweeping of pressure pipe device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Patentee after: Focused Photonics (Hangzhou) Inc. Address before: 310012 building 4, building 199, Wensanlu Road, Zhejiang, Hangzhou Patentee before: Juguang Sci. & Tech. (Hangzhou) Co., Ltd. |