CN207336006U - A kind of gas circuit missing inspection device of gas sampler - Google Patents

A kind of gas circuit missing inspection device of gas sampler Download PDF

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Publication number
CN207336006U
CN207336006U CN201721392688.8U CN201721392688U CN207336006U CN 207336006 U CN207336006 U CN 207336006U CN 201721392688 U CN201721392688 U CN 201721392688U CN 207336006 U CN207336006 U CN 207336006U
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level
leak detection
tube
sampling pump
detection tube
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CN201721392688.8U
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Chinese (zh)
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蒋宁
杨超
李�杰
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Xi'an Yuanfang Environmental Health Monitoring Technology Co Ltd
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Xi'an Yuanfang Environmental Health Monitoring Technology Co Ltd
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Abstract

The utility model discloses a kind of gas circuit missing inspection device of gas sampler, including vacuum pump, four bleeding points are provided with vacuum pump, level-one leak detection tube, two level leak detection tube, three-level leak detection tube and level Four leak detection tube have been respectively communicated with four bleeding points, level-one leak detection tube, two level leak detection tube, three-level leak detection tube and level Four leak detection tube are communicated with gas sampler, gas sampler includes separator tube, separator tube removable seal is communicated with flowmeter, flowmeter removable seal is communicated with sampling pump separator tube, and sampling pump separator tube removable seal is communicated with sampling pump.The utility model can carry out the integrally-built air-tightness of gas sampler overall detection by level-one leak detection tube, level-one leak detection tube is connected into sampling pump, and level-one leak detection valve, level-one leak detection pressure gauge and level-one leak detection switch opening are vacuumized, it is then shut off level-one leak detection valve, observe the change of level-one leak detection pressure gauge, detection process is simple, and detection efficiency is high.

Description

A kind of gas circuit missing inspection device of gas sampler
Technical field
The utility model belongs to gas collecting analysis field, and in particular to a kind of gas circuit missing inspection device of gas sampler.
Background technology
When being detected using gas sampler to gas componant, the air-tightness of gas sampler directly affects subsequent gases The analysis of concentration or component, to ensure the validity of gas analysis result, it is necessary to be examined to the leak case of gas sampler Survey, current detection mode is that the air-tightness of the internals of gas sampler is checked one by one, is needed in checking process First all parts in gas sampler are split, carry out air-leakage test one by one respectively, detection process is complicated, detection effect Rate is low.
The content of the invention
For in the prior art the defects of and deficiency, the utility model provide a kind of gas sampler gas circuit missing inspection dress The defects of putting, overcoming the gas circuit missing inspection process of existing gas sampler complicated.
To reach above-mentioned purpose, the utility model takes following technical solution:
A kind of gas circuit missing inspection device of gas sampler, including vacuum pump, are provided with four bleeding points on vacuum pump, four Level-one leak detection tube, two level leak detection tube, three-level leak detection tube and level Four leak detection tube have been respectively communicated with bleeding point;
The end of the level-one leak detection tube is sampling pump interface, and level-one leak detection valve, one are provided with level-one leak detection tube Level leak detection pressure gauge and level-one leak detection switch;
The end of the two level leak detection tube buffers interface tube for sampling pump, and two level leak detector valve is provided with two level leak detection tube Door, two level leak detection pressure gauge and two level leak detection switch;
The end of the three-level leak detection tube is flowmeter interface, and three-level leak detection valve, three are provided with three-level leak detection tube Level leak detection pressure gauge and three-level leak detection switch;
The end of the level Four leak detection tube is buffering interface tube, and level Four leak detection valve, four are provided with level Four leak detection tube Level leak detection pressure gauge and level Four leak detection switch.
The utility model also has following distinguishing feature:
Level-one leak detection tube, two level leak detection tube, three-level leak detection tube and the level Four leak detection tube is communicated with gas sampler.
The gas sampler includes separator tube, and separator tube removable seal is communicated with flowmeter, and flowmeter is detachable Sealing is communicated with sampling pump separator tube, and sampling pump separator tube removable seal is communicated with sampling pump.
The sampling pump interface removable seal connection sampling pump, sampling pump buffering interface tube removable seal Sampling pump separator tube is connected, the flowmeter interface removable seal connects flowmeter, and the buffering interface tube is detachable Sealing connection separator tube.
Compared with prior art, beneficial has the technical effect that the utility model:
In the gas circuit missing inspection device of the gas sampler of the utility model, by setting four bleeding points on vacuum pump, Sealing connects level-one leak detection tube, two level leak detection tube, three-level leak detection tube and level Four leak detection tube respectively on four bleeding points, wherein, Level-one leak detection tube can carry out the integrally-built air-tightness of gas sampler overall detection, and level-one leak detection tube is connected and is sampled Pump, and level-one leak detection valve, level-one leak detection pressure gauge and level-one leak detection switch opening are vacuumized, it is then shut off level-one inspection Valve is leaked, the change of observation level-one leak detection pressure gauge, declines in 0.5h and be no more than as air tight during 0.1Mpa, then illustrate whole The air-tightness of a gas sampler is good, and detection process is simple, and detection efficiency is high.
Brief description of the drawings
Fig. 1 is the schematic diagram that the utility model carries out gas sampler overall structure missing inspection;
Fig. 2 is the schematic diagram that the utility model carries out separator tube, flowmeter and sampling pump separator tube missing inspection;
Fig. 3 is the schematic diagram that the utility model carries out separator tube and flowmeter missing inspection;
Fig. 4 is the schematic diagram that the utility model carries out separator tube missing inspection;
Each label is expressed as in figure:1- vacuum pumps, 2- bleeding points, 3- level-one leak detection tubes, 4- two level leak detection tubes, 5- three-levels Leak detection tube, 6- level Four leak detection tubes, 7- gas samplers;
(3-1)-sampling pump interface, (3-2)-level-one leak detection valve, (3-3)-level-one leak detection pressure gauge, the inspection of (3-4)-level-one Leakage switch;
(4-1)-sampling pump buffering interface tube, (4-2)-two level leak detection valve, (4-3)-two level leak detection pressure gauge, (4-4)- Two level leak detection switch;
(5-1)-flowmeter interface, (5-2)-three-level leak detection valve, (5-3)-three-level leak detection pressure gauge, the inspection of (5-4)-three-level Leakage switch;
(6-1)-buffering interface tube, (6-2)-level Four leak detection valve, (6-3)-level Four leak detection pressure gauge, the inspection of (6-4)-level Four Leakage switch;
(7-1)-separator tube, (7-2)-flowmeter, (7-3)-sampling pump separator tube, (7-4)-sampling pump.
The utility model is illustrated below in conjunction with specification drawings and specific embodiments.
Embodiment
Specific embodiment of the utility model is given below, it is necessary to which explanation is that the utility model is not limited to following tool Body embodiment, all equivalents done on the basis of technical scheme each fall within the scope of protection of the utility model.Below The utility model is described in further details in conjunction with the embodiments.
Embodiment 1:
Above-mentioned technical proposal is deferred to, as shown in Figures 1 to 4, a kind of gas circuit missing inspection device of gas sampler, including vacuum 1 is pumped, four bleeding points 2 is provided with vacuum pump 1, level-one leak detection tube 3, two level leak detection tube has been respectively communicated with four bleeding points 2 4th, three-level leak detection tube 5 and level Four leak detection tube 6;
The end of the level-one leak detection tube 3 is sampling pump interface 3-1, and level-one leak detector valve is provided with level-one leak detection tube 3 Door 3-2, level-one leak detection pressure gauge 3-3 and level-one leak detection switch 3-4;
The end of the two level leak detection tube 4 buffers interface tube 4-1 for sampling pump, and two level is provided with two level leak detection tube 4 Hunt leak valve 4-2, two level leak detection pressure gauge 4-3 and two level leak detection switch 4-4;
The end of the three-level leak detection tube 5 is flowmeter interface 5-1, and three-level leak detector valve is provided with three-level leak detection tube 5 Door 5-2, three-level leak detection pressure gauge 5-3 and three-level leak detection switch 5-4;
The end of the level Four leak detection tube 6 is buffering interface tube 6-1, and level Four leak detector valve is provided with level Four leak detection tube 6 Door 6-2, level Four leak detection pressure gauge 6-3 and level Four leak detection switch 6-4.
Specifically, the level-one leak detection tube 3, two level leak detection tube 4, three-level leak detection tube 5 and level Four leak detection tube 6 are communicated with gas Sampler body device 7, by level-one leak detection tube 3, two level leak detection tube 4, three-level leak detection tube 5 and level Four leak detection tube 6 to gas sampler 7 into Row air-leakage test.
Specifically, the gas sampler 7 includes separator tube 7-1, separator tube 7-1 removable seals are communicated with flowmeter 7-2, flowmeter 7-2 removable seals are communicated with sampling pump separator tube 7-3, and sampling pump separator tube 7-3 removable seals are communicated with Sampling pump 7-4, after level-one leak detection tube 3, which connects sampling pump 7-4, carries out air-leakage test, if air-tightness is good, illustrates gas The overall structure air-tightness of sampler body device 7 is good, without carrying out air-leakage test one by one to other components again.
Specifically, the sampling pump interface 3-1 removable seals connection sampling pump 7-4, the sampling pump separator tube Interface 4-1 removable seals connect sampling pump separator tube 7-3, flowmeter interface 5-1 removable seals connection flowmeter 7-2, buffering interface tube 6-1 removable seals connection separator tube 7-1.Carried out when level-one leak detection tube 3 connects sampling pump 7-4 After air-leakage test, if there is gas leakage, then the connection between sampling pump 7-4 and sampling pump separator tube 7-3 is dismantled, then pass through two Level leak detection tube 4 connects sampling pump separator tube 7-3, to separator tube 7-1, the gas of flowmeter 7-2 and sampling pump separator tube 7-3 entirety Close property is detected.
When the utility model is used, as shown in Figure 1, the sampling pump interface 3-1 of level-one leak detection tube 3 first is connected sampling pump 7-4, and by level-one leak detection valve 3-2, level-one leak detection pressure gauge 3-3 and level-one leak detection switch 3-4 open to gas sampler 7 into Row vacuumizes, and is then shut off level-one leak detection valve 3-2, the change of observation level-one leak detection pressure gauge 3-3, declines in 0.5h and do not surpass Cross as air tight during 0.1Mpa, then illustrate that the air-tightness of whole gas sampler 7 is good, then gas sampler 7 can be direct Work, it is not necessary to air-leakage test is carried out respectively to all parts inside gas sampler 7 again;
If level-one leak detection pressure gauge 3-3 decrease beyond 0.1Mpa in 0.5h, illustrate that the inside of gas sampler 7 exists Gas leakage, then dismantles the connection between sampling pump 7-4 and sampling pump separator tube 7-3, then connects sampling pump by two level leak detection tube 4 Separator tube 7-3, as shown in Fig. 2, to separator tube 7-1, the air-tightness of flowmeter 7-2 and sampling pump separator tube 7-3 entirety carries out together The detection of sample, if two level is hunted leak, pressure gauge 4-3 is shown air tight, illustrates sampling pump 7-4 gas leakage, sampling pump 7-4 is carried out Air-tightness processing;If showing gas leakage, illustrate separator tube 7-1, deposited between flowmeter 7-2 and sampling pump separator tube 7-3 In gas leakage, the connection between flowmeter 7-2 and sampling pump separator tube 7-3 is then dismantled, carries out such as Fig. 3 and figure in the same way The air-tightness of next stage shown in 4 judges and detection.

Claims (4)

1. the gas circuit missing inspection device of a kind of gas sampler, it is characterised in that including vacuum pump (1), vacuum pump is provided with (1) Four bleeding points (2), have been respectively communicated with level-one leak detection tube (3), two level leak detection tube (4), three-level leak detection tube on four bleeding points (2) (5) and level Four leak detection tube (6);
The end of the level-one leak detection tube (3) is sampling pump interface (3-1), and level-one leak detection is provided with level-one leak detection tube (3) Valve (3-2), level-one leak detection pressure gauge (3-3) and level-one leak detection switch (3-4);
The end of the two level leak detection tube (4) buffers interface tube (4-1) for sampling pump, and two level leak detection tube is provided with two on (4) Level leak detection valve (4-2), two level leak detection pressure gauge (4-3) and two level leak detection switch (4-4);
The end of the three-level leak detection tube (5) is flowmeter interface (5-1), and three-level leak detection is provided with three-level leak detection tube (5) Valve (5-2), three-level leak detection pressure gauge (5-3) and three-level leak detection switch (5-4);
The end of the level Four leak detection tube (6) is buffering interface tube (6-1), and level Four leak detection is provided with level Four leak detection tube (6) Valve (6-2), level Four leak detection pressure gauge (6-3) and level Four leak detection switch (6-4).
2. the gas circuit missing inspection device of gas sampler as claimed in claim 1, it is characterised in that the level-one leak detection tube (3), two level leak detection tube (4), three-level leak detection tube (5) and level Four leak detection tube (6) are communicated with gas sampler (7).
3. the gas circuit missing inspection device of gas sampler as claimed in claim 2, it is characterised in that the gas sampler (7) separator tube (7-1) is included, separator tube (7-1) removable seal is communicated with flowmeter (7-2), and flowmeter (7-2) is detachable close Envelope is communicated with sampling pump separator tube (7-3), and sampling pump separator tube (7-3) removable seal is communicated with sampling pump (7-4).
4. the gas circuit missing inspection device of gas sampler as claimed in claim 3, it is characterised in that the sampling pump interface (3-1) removable seal connection sampling pump (7-4), sampling pump buffering interface tube (4-1) removable seal connection sampling Pump separator tube (7-3), described flowmeter interface (5-1) removable seal connection flowmeter (7-2), the buffering interface tube (6-1) removable seal connection separator tube (7-1).
CN201721392688.8U 2017-10-26 2017-10-26 A kind of gas circuit missing inspection device of gas sampler Active CN207336006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721392688.8U CN207336006U (en) 2017-10-26 2017-10-26 A kind of gas circuit missing inspection device of gas sampler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721392688.8U CN207336006U (en) 2017-10-26 2017-10-26 A kind of gas circuit missing inspection device of gas sampler

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CN207336006U true CN207336006U (en) 2018-05-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737316A (en) * 2019-03-18 2019-05-10 新疆大全新能源股份有限公司 A kind of Isolated Shield device and method of valves leakage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737316A (en) * 2019-03-18 2019-05-10 新疆大全新能源股份有限公司 A kind of Isolated Shield device and method of valves leakage

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