CN106018710A - Online detection device for oil vapor concentration - Google Patents
Online detection device for oil vapor concentration Download PDFInfo
- Publication number
- CN106018710A CN106018710A CN201610604922.2A CN201610604922A CN106018710A CN 106018710 A CN106018710 A CN 106018710A CN 201610604922 A CN201610604922 A CN 201610604922A CN 106018710 A CN106018710 A CN 106018710A
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- oil vapour
- intrinsic safety
- safety type
- measuring device
- line measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0018—Sample conditioning by diluting a gas
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an online detection device for oil vapor concentration. The oil detection device comprises a dilution device, an intrinsic safety type oil vapor analyzer, a display device and an exhaust port, wherein the first end of the dilution device is connected with a breather valve, the second end of the dilution device is connected with dilution gas, the intrinsic safety type oil vapor analyzer is connected with the third end of the dilution device, the display device is connected with the intrinsic safety type oil vapor analyzer, and the exhaust port is connected with the breather valve and the intrinsic safety type oil vapor analyzer. The online detection device for the oil vapor concentration can transmit detection data to the display device in real time and enables the detection data to be displayed, achieves the purpose of monitoring the oil vapor concentration in real time, facilitates detection of a worker and enables monitoring on the oil vapor concentration to be more comprehensive and reliable. In addition, the online detection device can detect in an environment where the oil vapor volatilization is larger under the dilution action of the dilution device even if the intrinsic safety type oil vapor analyzer is smaller in detection range. Thus, the detection accuracy is improved, and the suitable objects of detection are expanded.
Description
Technical field
The present invention relates to detect equipment technical field, more particularly, it relates to a kind of oil vapour concentration exists
Line detector.
Background technology
Oil product storage, transport and receive and dispatch during, oil vapour all can with evaporation form loss,
At this moment needing oil vapour to detect the concentration of oil vapour of volatilization, main purpose is two aspects:
One is to be determined by oil vapour concentration, determines whether environment is in explosion safety scope；Two is to pass through
Monitoring oil vapour concentration, in conjunction with other parameters such as flow, temperature, is calculated the evaporation of oil product in real time
Loss quantity.In the oil vapour loss detection of the breather valve outlet to oil tank tank deck, because oil storage tank
The anti-riot rank in district is that 0th district is explosion-proof, and the Concentration Testing requirement to oil vapour is the inspection using intrinsic safe explosion-proof
Cls analysis instrument.
Existing detection technique scheme is to use the portable analyser with the Sefe antiexplosion quality certification
11, operator export artificial hand-held detection, detectable oil vapour at oil tank tank deck breather valve 12
Concentration range is 0-1%, needs to measure oil vapour concentration frequently, increases to a certain extent
The workload of staff.But, when detecting in exit, oil vapour is carried out with air
Mixing, is diluted to a certain extent, and the concentration value therefore detected is inaccurate, it is difficult to
Go out concrete oil consumption.Additionally, due to the range of detection is less, at the environment that oil vapour volatile quantity is bigger
In the situation of no to scale easily occurs so that data distortion, it is difficult to detection.
In sum, how to provide a kind of oil vapour concentration on-line measuring device, to improve the standard of detection
Really property, and facilitate staff to detect, it is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
It is an object of the invention to provide a kind of oil vapour concentration on-line measuring device, to improve the standard of detection
Really property, and facilitate staff to detect.
To achieve these goals, the present invention provides following technical scheme:
A kind of oil vapour concentration on-line measuring device, including:
Air mix facilities, the first end of described air mix facilities is connected with breather valve, and the second end is with carrier gas even
Logical；
Intrinsic safety type oil vapour analyser, the of described intrinsic safety type oil vapour analyser and described air mix facilities
Three-terminal link；
Display device, described display device electrically connects with described intrinsic safety type oil vapour analyser；
Air vent, described air vent is connected with described breather valve and described intrinsic safety type oil vapour analyser.
Preferably, described air mix facilities includes many times of diluters of at least two.
Preferably, the carrier gas arrival end of described diluter is provided with reversal valve.
Preferably, described air mix facilities includes doubling dilution device and five times of diluters, and described two times dilute
Five times of mixed gas outlet ends of the two times of sample gas connecting portions and described five times of diluters of releasing device are connected.
Preferably, the carrier gas arrival end of described doubling dilution device, and/or described five times of diluters is dilute
Outgassing arrival end is provided with reversal valve.
Preferably, in two times of sample gas connecting portions of described doubling dilution device sample gas through-hole diameter and two times dilute
In outgassing connecting portion, carrier gas through-hole diameter is consistent.
Preferably, in described five times of diluters, carrier gas through hole arranges four, and each carrier gas through hole
The equal diameters of diameter and sample gas through hole.
Preferably, also include through hole opening and closing part, to change the folding condition of described carrier gas through hole, adjust
Whole extension rate.
Preferably, described intrinsic safety type oil vapour analyser is provided with RS485 interface, and by described
RS485 interface connects described intrinsic safety type oil vapour analyser and described display device.
The oil vapour concentration on-line measuring device that the present invention provides, its breather valve directly connects with air mix facilities
Connect, when detection, oil vapour from breather valve enter air mix facilities and with the dilution entered in air mix facilities
Gas is according to certain ratio mixed diluting, and now, the ratio of dilution is set in advance, therefore dilute
After mixed gas after releasing enters intrinsic safety type oil vapour analyser, it is possible to according to testing result quick and precisely
Obtain oil vapour concentration.Additionally, one end of intrinsic safety type oil vapour analyser is also connected with being provided with display
Device, the data that can detection be obtained transmission to display device and shows, thus reaches online
The purpose of monitoring.After detection, oil vapour is discharged from air vent.It can be seen that the oil steaming in the application
Gas concentration on-line measuring device, it is achieved that the real-time monitoring to oil vapour concentration, thus facilitate work
The detection of personnel, also makes the monitoring to oil vapour concentration more comprehensively reliable.Additionally, at dilution dress
Under the diluting effect put, even if the detection range of intrinsic safety type oil vapour analyser is less, it is also possible at oil
The environment that steam volatile quantity is bigger detects, improves the accuracy of detection.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments of the invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The structural representation of the oil vapour concentration detection apparatus that Fig. 1 provides for prior art；
The structural representation of the oil vapour concentration on-line measuring device that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.
Referring to Fig. 2, the oil vapour concentration on-line measuring device provided for the embodiment of the present invention, including dilute
Release device, intrinsic safety type oil vapour analyser 24, display device and air vent 21.The first of air mix facilities
End is connected with breather valve 27, and the second end connects with carrier gas, the 3rd end and intrinsic safety type oil vapour analyser
24 connect.During use, sample gas enters air mix facilities from the first end, and carrier gas enters dilution from the second end
Device, and both are diluted according to certain ratio in air mix facilities, the mixed gas after dilution
Enter intrinsic safety type oil vapour analyser 24 from the 3rd end and carry out Concentration Testing.The data that detection obtains are permissible
Display is in the display device being connected with intrinsic safety type oil vapour analyser 24, so that staff can
Realizing the real-time monitoring to oil vapour concentration, after measurement, the oil vapour after dilution is discharged from air vent 21,
Here air vent 21 is connected with breather valve 27 and intrinsic safety type oil vapour analyser 24.
Above-mentioned air mix facilities can be the diluter of a special ratios, it is also possible to be multiple different proportions
The combination of diluter.As a preferred version, the air mix facilities in the application includes that at least two is many
Times diluter.In the case of air mix facilities includes multiple diluter, can be at the carrier gas of diluter
Arrival end is provided with reversal valve 25 so that air mix facilities to have more extension rate optional.
Concrete, above-mentioned air mix facilities includes doubling dilution device 22 and five times of diluters 23, and five times of samples
Gas connecting portion 231 is connected with breather valve 27, two times of sample gas connecting portions of doubling dilution device 22 221 with
Five times of mixed gas outlet ends 233 of five times of diluters 23 connect, two times of mixing of doubling dilution device 22
The gas port of export 223 is connected with intrinsic safety type oil vapour analyser 24.Certainly, by doubling dilution device during use
22 and the location swap of five times of diluters 23 be also feasible.Now optional at doubling dilution device 22
Carrier gas arrival end, and/or the carrier gas arrival end of five times of diluters 23 arranges reversal valve 25.When
Only when the carrier gas arrival end of doubling dilution device 22 arranges reversal valve 25, during switch reversal valve 25,
Available ten times and five times of mixed diluting gases；When only carrier gas arrival end at five times of diluters 23 sets
When putting reversal valve 25, during switch reversal valve 25, available ten times and two times of mixed diluting gases；With
Time when both carrier gas arrival ends arrange reversal valve 25, during switch reversal valve 25, available ten
Again, five times and two times of mixed diluting gases.Additionally, also can set on the exhaustor 26 that carrier gas passes through
Putting total reversal valve, the switch of total reversal valve can control whether to use air mix facilities, in oil vapour concentration
In less environment, oil vapour concentration, when the range ability of intrinsic safety type oil vapour analyser 24, can be closed
Close total reversal valve, directly oil vapour concentration is detected in the case of not being diluted, can improve
The accuracy of testing result.
In two times of sample gas connecting portions 221 of above-mentioned doubling dilution device 22 diameter of sample gas through hole and two times dilute
In outgassing connecting portion 222, the diameter of carrier gas through hole is consistent, so that sample gas mixes with carrier gas 1:1,
Realize the doubling dilution to sample gas, in order to the detection to oil vapour concentration.
In above-mentioned five times of diluters 23, carrier gas through hole is set to four, and with five times of carrier gas connecting portions
232 connections, and the equal diameters of the diameter of each carrier gas through hole and sample gas through hole.Four dilutions are set
During vent hole, it is also possible to arrange four through hole opening and closing parts, each through hole opening and closing part correspondence one respectively is dilute
Outgassing through hole, and can be sealed against.During use, optionally carrier gas throughhole portions is sealed,
Thus change the extension rate of five times of diluters 23, make a diluter have different extension rates,
It is applicable to more oil vapour environment.For remaining many times of diluter, lead to using multiple carrier gas
When arranging of hole, it is also possible to through hole opening and closing part is set, and by changing the folding condition of carrier gas through hole
Adjust extension rate.
As preferably, intrinsic safety type oil vapour analyser 24 is provided with RS485 interface 241, and logical
Cross RS485 interface 241 and connect intrinsic safety type oil vapour analyser 24 and display device.
The oil vapour concentration on-line measuring device that the embodiment of the present invention provides, its breather valve 27 is directly with dilute
Release device connects, and when detection, oil vapour enters air mix facilities from breather valve 27 and fills with entering dilution
Carrier gas in putting is according to certain ratio mixed diluting, and now, the ratio of dilution is set in advance,
After mixed gas the most after dilution enters intrinsic safety type oil vapour analyser 24, it is possible to according to detection knot
Fruit obtains oil vapour concentration fast and accurately.Additionally, one end of intrinsic safety type oil vapour analyser 24 also connects
Connecing and be provided with display device, the data transmission that can detection be obtained to display device and shows,
Thus reach the purpose of on-line monitoring.After detection, oil vapour is discharged from air vent 21.It can be seen that
Oil vapour concentration on-line measuring device in the application, it is achieved that the real-time monitoring to oil vapour concentration,
Thus facilitate the detection of staff, also make the monitoring to oil vapour concentration more comprehensively reliable.
Additionally, under the diluting effect of air mix facilities, even if the detection range of intrinsic safety type oil vapour analyser 24
Less, it is also possible to detect in the environment that oil vapour volatile quantity is bigger, improve the accurate of detection
Property.
This specification use the form gone forward one by one be described between each embodiment, each embodiment weight
Point explanation is all the difference with other embodiments, and the similar portion between each embodiment is mutual
See.
Described above to the disclosed embodiments, makes those skilled in the art be capable of or uses this
Invention.Multiple amendment to these embodiments will be apparent from for a person skilled in the art,
Generic principles defined herein can without departing from the spirit or scope of the present invention,
Other embodiments realizes.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. an oil vapour concentration on-line measuring device, it is characterised in that including:
Air mix facilities, the first end of described air mix facilities is connected with breather valve (27), and the second end is with dilute
Outgassing connects；
Intrinsic safety type oil vapour analyser (24), described intrinsic safety type oil vapour analyser (24) is with described
The three-terminal link of air mix facilities；
Display device, described display device electrically connects with described intrinsic safety type oil vapour analyser (24)；
Air vent (21), described air vent (21) and described breather valve (27) and described intrinsic safety type
Oil vapour analyser (24) connects.
Oil vapour concentration on-line measuring device the most according to claim 1, it is characterised in that institute
State air mix facilities and include many times of diluters of at least two.
Oil vapour concentration on-line measuring device the most according to claim 2, it is characterised in that institute
The carrier gas arrival end stating diluter is provided with reversal valve (25).
Oil vapour concentration on-line measuring device the most according to claim 2, it is characterised in that institute
State air mix facilities and include doubling dilution device (22) and five times of diluters (23), and described doubling dilution
Two times of sample gas connecting portions (221) of device (22) and five times of gaseous mixtures of described five times of diluters (23)
The port of export (233) connects.
Oil vapour concentration on-line measuring device the most according to claim 4, it is characterised in that institute
State the carrier gas arrival end of doubling dilution device (22), and/or the dilution of described five times of diluters (23)
Gas arrival end is provided with reversal valve (25).
Oil vapour concentration on-line measuring device the most according to claim 4, it is characterised in that institute
State sample gas through-hole diameter and doubling dilution in two times of sample gas connecting portions (221) of doubling dilution device (22)
In gas connecting portion (222), carrier gas through-hole diameter is consistent.
Oil vapour concentration on-line measuring device the most according to claim 4, it is characterised in that institute
State carrier gas through hole in five times of diluters (23) and arrange four, and the diameter of each carrier gas through hole with
The equal diameters of sample gas through hole.
Oil vapour concentration on-line measuring device the most according to claim 7, it is characterised in that also
Including through hole opening and closing part, to change the folding condition of described carrier gas through hole, adjust extension rate.
9., according to the oil vapour concentration on-line measuring device described in any one of claim 1 to 8, it is special
Levy and be, described intrinsic safety type oil vapour analyser (24) is provided with RS485 interface (241), and
Described intrinsic safety type oil vapour analyser (24) and described aobvious is connected by described RS485 interface (241)
Showing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604922.2A CN106018710A (en) | 2016-07-28 | 2016-07-28 | Online detection device for oil vapor concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604922.2A CN106018710A (en) | 2016-07-28 | 2016-07-28 | Online detection device for oil vapor concentration |
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| Publication Number | Publication Date |
|---|---|
| CN106018710A true CN106018710A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610604922.2A Pending CN106018710A (en) | 2016-07-28 | 2016-07-28 | Online detection device for oil vapor concentration |
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| CN1704746A (en) * | 2004-05-25 | 2005-12-07 | 北京大学 | Device for collecting and monitoring particles of solid source discharged gas |
| CN201130137Y (en) * | 2007-12-28 | 2008-10-08 | 广东中烟工业公司 | Novel system for detecting cigarette gas aerosol |
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Application publication date: 20161012 |