CN203757070U - Atmosphere balancing valve for gas sample injector - Google Patents
Atmosphere balancing valve for gas sample injector Download PDFInfo
- Publication number
- CN203757070U CN203757070U CN201420144749.9U CN201420144749U CN203757070U CN 203757070 U CN203757070 U CN 203757070U CN 201420144749 U CN201420144749 U CN 201420144749U CN 203757070 U CN203757070 U CN 203757070U
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- Prior art keywords
- valve
- port
- gas
- sample gas
- end opening
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- Expired - Fee Related
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- 239000007789 gas Substances 0.000 claims abstract description 84
- 239000012159 carrier gas Substances 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 238000005243 fluidization Methods 0.000 claims description 24
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an atmosphere balancing valve for a gas sample injector. The atmosphere balancing valve for the gas sample injector comprises a six-way valve 1 and a quantitative pipe 2; six end openings of the six-way valve sequentially comprise a first end opening 1a, a second end opening 1b, a third end opening 1c, a fourth end opening 1d, a fifth end opening 1e and a sixth end opening 1f; one end of the quantitative pipe 2 is connected with the first end opening 1a of the six-way valve 1; the second end opening 1b of the six-way valve is connected with the atmosphere balancing valve; the third end opening 1c is communicated with a sample gas recycling device; the fourth end opening 1d is connected with the other end of the quantitative pipe 2; the fifth end opening 1e is used for connecting a carrier gas injection device; the sixth end opening 1d is used for connecting an elemental analyzer. The atmosphere balancing valve for the gas sample injector has the advantages of enabling pressure of the sample gases inside the quantitative pipe to be constant due to the atmosphere balancing valve technology, guaranteeing the testing result accuracy, being low in manufacturing cost and simple and safe in operation and the like.
Description
Technical field
The utility model relates to field of analytic instrument, particularly relates to a kind of gas sampler atmospheric equilibrium valve.
Background technique
Oil elemental analyser is used for detecting the content of sulphur in petroleum products, nitrogen element, is to carry out one of critical component indispensable in the component analysis of the products such as petrochemical industry.When use, oil sample is injected into and in oil elemental analyser, carries out cracking, again the gas obtaining after cracking is injected in ANALYZER by sample feeding system, by elemental analyser, the gas injecting is carried out to analyzing and testing, can determine the content of sulphur, nitrogen or chlorine.Traditional sample analyser is to add quantity tube air inlet body sample with six-way valve, but because sample gas is in the process that is full of quantity tube, because sample gas itself is with pressure, and different sample strains are also different, cause and in quantity tube, have certain pressure, and in the process being at every turn full of, the pressure of sample gas in quantity tube is all different, therefore to enter the gaseous sample amount of instrument be all different to different samples, directly causes the mistake of analysis result, and be not easy to be found.
Summary of the invention
Technical problem to be solved in the utility model be to provide a kind of can quantitative balance pipe in the rotary boat injector of elemental analyser of sample gas air pressure.
The technical solution of the utility model is as follows: a kind of gas sampler atmospheric equilibrium valve, comprise six-way valve (1) and quantity tube (2), six ports of six-way valve (1) are followed successively by the first port (1a), the second port (1b), the 3rd port (1c), the 4th port (1d), five-port (1e) and with the 6th port (1f), one end of described quantity tube (2) is connected with first port (1a) of six-way valve (1), second port (1b) of six-way valve (1a) is connected with atmospheric equilibrium valve, the 3rd port (1c) communicates with sample gas recovering device, the 4th port (1d) is connected with the other end of quantity tube (2), five-port (1e) is used for connecting carrier gas injection device, the 6th port (1f) is used for connection element ANALYZER, described atmospheric equilibrium valve comprises the air inlet valve body (3) of right part, the valve body of giving vent to anger (4) at middle part and the exhaust valve (5) of left part, in air inlet valve body (3), level offers sample gas inlet hole (3a), in the valve body of giving vent to anger (4), offer gas outlet valve intracoelomic cavity (4a), in exhaust valve (5), offer exhaust valve inner chamber (5a), this sample gas inlet hole (3a), gas outlet valve intracoelomic cavity (4a) and exhaust valve inner chamber (5a) three are connected, in described gas outlet valve intracoelomic cavity (4a), be provided with a point fluidization tower (6), the outer wall of this point of fluidization tower (6) is close to the inwall of gas outlet valve intracoelomic cavity (4a), top at gas outlet valve intracoelomic cavity (4a) offers groove (4b) along left and right directions, and the middle part of this groove (4b) offers and is communicated with the outside sample gas air outlet hole (4c) of valve body (4) of giving vent to anger, this sample gas air outlet hole (4c) is connected with second port (1b) of six-way valve (1), the right-hand member end face center of described point of fluidization tower (6) convexes to form cone shape right plug (6a) to the right, in the time that a point fluidization tower (6) is positioned at gas outlet valve intracoelomic cavity (4b) low order end, the conical surface of this right plug (6a) is close to the right step surface (3b) that sample gas inlet hole (3a) left end termination arranges, the left end center of described point of fluidization tower (6) is connected with pull bar (7), this pull bar (7) extends through exhaust valve (5) left side left, the left end end face outer ring of described point of fluidization tower (6) is tilted to the right and forms left plug (6b), in the time that a point fluidization tower (6) is positioned at gas outlet valve intracoelomic cavity (4b) high order end, the plane of inclination face of this left plug (6b) is close to the left step surface (5b) that exhaust valve inner chamber (5a) right-hand member arranges, in described exhaust valve (5), also vertically offer emptying exhaust port (5c), this emptying exhaust port (5c) communicates with exhaust valve inner chamber (5a).
Use the gas sampler atmospheric equilibrium valve of said structure, before sample introduction, the first port of six-way valve communicates with the second port, the 3rd port communicates with the 4th port, five-port communicates with the 6th port, inject sample gas in quantity tube time, pull the pull bar of atmospheric equilibrium valve, make point fluidization tower in atmospheric equilibrium valve move to the high order end that exports valve body, the plane of inclination face of left plug clings on the left step surface of exhaust valve inner chamber right-hand member, the passage of gas outlet valve intracoelomic cavity and exhaust valve inner chamber is blocked, then in the sample gas inlet hole of air inlet valve body, inject sample gas, sample gas is along sample gas inlet hole, groove, sample gas air outlet hole, the first port of six-way valve, the second port enters in quantity tube, because the other end of quantity tube communicates with the 4th port, the 4th port and the 3rd termination all communicate with sample gas recovering device, after being now full of quantity tube, unnecessary sample gas is just recovered in sample gas recovering device.Injecting before sample gas in analytical equipment, pushing drawing rod, make point fluidization tower move to the low order end of outlet valve body, the conical surface of right plug is close to the right step surface of sample gas inlet hole left end termination, the passage of sample gas inlet hole and exhaust valve inner chamber is blocked, and the passage of gas outlet valve intracoelomic cavity and exhaust valve inner chamber is opened, now the sample gas in quantity tube is just along the second port, the first port, sample gas air outlet hole, groove, exhaust valve inner chamber and emptying exhaust port are discharged in atmosphere, sample gas air pressure and barometric pressure in quantity tube are balanced each other, until the sample gas air pressure in quantity tube is identical with barometric pressure.Now rotate six-way valve, the second port of six-way valve is communicated with the 3rd port, the 4th port communicates with five-port, the 6th port communicates with the first port, the carrier gas that five-port is injected is just injected into quantity tube through the 4th port, sample gas in quantity tube is injected in elemental analyser via the first port and the 4th port, thereby sample gas is analyzed, realize in quantity tube the pressure of sample gas by this structure consistent, and be all a barometric pressure, ensured that sample size is consistent.
In order better to control the movement of pull bar, the left end termination of described pull bar (7) is connected with the piston end of cylinder (8).
The top of the right-hand member of described sample gas inlet hole (3a) and sample gas air outlet hole (4c) is all connected with pipe joint (9).
Beneficial effect: it is consistent that the utility model has been realized in quantity tube the pressure of sample gas by atmospheric equilibrium valve technology, has ensured the accuracy of testing result, also has the feature such as low cost of manufacture and safety simple to operate simultaneously.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of atmospheric equilibrium valve in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2, the utility model comprises six-way valve 1, quantity tube 2, air inlet valve body 3, the valve body 4 of giving vent to anger, exhaust valve 5, divide fluidization tower 6, pull bar 7, the parts such as cylinder 8 and pipe joint 9, one end of described quantity tube 2 is connected with the first port 1a of six-way valve 1, the second port one b of six-way valve 1a is connected with atmospheric equilibrium valve, the 3rd port one c communicates with sample gas recovering device, the 4th port one d is connected with the other end of quantity tube 2, five-port 1e is used for connecting carrier gas injection device, the 6th port one f is used for connection element ANALYZER, described atmospheric equilibrium valve comprises the air inlet valve body 3 of right part, the exhaust valve 5 of give vent to anger valve body 4 and the left part at middle part, offer sample gas inlet hole 3a in the interior level of air inlet valve body 3, in valve body 4, offer gas outlet valve intracoelomic cavity 4a giving vent to anger, in exhaust valve 5, offer exhaust valve inner chamber 5a, this sample gas inlet hole 3a, gas outlet valve intracoelomic cavity 4a and exhaust valve inner chamber 5a three are connected, in described gas outlet valve intracoelomic cavity 4a, be provided with point fluidization tower 6, the outer wall of this point of fluidization tower 6 is close to the inwall of gas outlet valve intracoelomic cavity 4a, top at gas outlet valve intracoelomic cavity 4a offers groove 4b along left and right directions, and the middle part of this groove 4b offers the sample gas air outlet hole 4c that is communicated with valve body 4 outsides of giving vent to anger, the right-hand member end face center of this point of fluidization tower 6 convexes to form cone shape right plug 6a to the right, in the time that a point fluidization tower 6 is positioned at gas outlet valve intracoelomic cavity 4b low order end, the conical surface of this right plug 6a is close to the right step surface 3b that sample gas inlet hole 3a left end termination arranges, the left end center of described point of fluidization tower 6 is connected with pull bar 7, this pull bar 7 extends through exhaust valve 5 left sides left and is connected with the piston end of cylinder 8.The left end end face outer ring of described point of fluidization tower 6 is tilted to the right and forms left plug 6b, in the time that a point fluidization tower 6 is positioned at gas outlet valve intracoelomic cavity 4b high order end, the plane of inclination face of this left plug 6b is close to the left step surface 5b that exhaust valve inner chamber 5a right-hand member arranges, in described exhaust valve 5, also vertically offer emptying exhaust port 5c, this emptying exhaust port 5c communicates with exhaust valve inner chamber 5a.
From Fig. 2 further, the top of the right-hand member of described sample gas inlet hole 3a and sample gas air outlet hole 4c is all connected with pipe joint 9.
The foregoing is only preferred embodiment of the present utility model; not taking the utility model as restriction; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a gas sampler atmospheric equilibrium valve, comprise six-way valve (1) and quantity tube (2), six ports of six-way valve (1) are followed successively by the first port (1a), the second port (1b), the 3rd port (1c), the 4th port (1d), five-port (1e) and with the 6th port (1f), it is characterized in that: one end of described quantity tube (2) is connected with first port (1a) of six-way valve (1), second port (1b) of six-way valve (1a) is connected with atmospheric equilibrium valve, the 3rd port (1c) communicates with sample gas recovering device, the 4th port (1d) is connected with the other end of quantity tube (2), five-port (1e) is used for connecting carrier gas injection device, the 6th port (1f) is used for connection element ANALYZER, described atmospheric equilibrium valve comprises the air inlet valve body (3) of right part, the valve body of giving vent to anger (4) at middle part and the exhaust valve (5) of left part, in air inlet valve body (3), level offers sample gas inlet hole (3a), in the valve body of giving vent to anger (4), offer gas outlet valve intracoelomic cavity (4a), in exhaust valve (5), offer exhaust valve inner chamber (5a), this sample gas inlet hole (3a), gas outlet valve intracoelomic cavity (4a) and exhaust valve inner chamber (5a) three are connected, in described gas outlet valve intracoelomic cavity (4a), be provided with a point fluidization tower (6), the outer wall of this point of fluidization tower (6) is close to the inwall of gas outlet valve intracoelomic cavity (4a), top at gas outlet valve intracoelomic cavity (4a) offers groove (4b) along left and right directions, and the middle part of this groove (4b) offers and is communicated with the outside sample gas air outlet hole (4c) of valve body (4) of giving vent to anger, this sample gas air outlet hole (4c) is connected with second port (1b) of six-way valve (1), the right-hand member end face center of described point of fluidization tower (6) convexes to form cone shape right plug (6a) to the right, in the time that a point fluidization tower (6) is positioned at gas outlet valve intracoelomic cavity (4b) low order end, the conical surface of this right plug (6a) is close to the right step surface (3b) that sample gas inlet hole (3a) left end termination arranges, the left end center of described point of fluidization tower (6) is connected with pull bar (7), this pull bar (7) extends through exhaust valve (5) left side left, the left end end face outer ring of described point of fluidization tower (6) is tilted to the right and forms left plug (6b), in the time that a point fluidization tower (6) is positioned at gas outlet valve intracoelomic cavity (4b) high order end, the plane of inclination face of this left plug (6b) is close to the left step surface (5b) that exhaust valve inner chamber (5a) right-hand member arranges, in described exhaust valve (5), also vertically offer emptying exhaust port (5c), this emptying exhaust port (5c) communicates with exhaust valve inner chamber (5a).
2. gas sampler atmospheric equilibrium valve according to claim 1, is characterized in that: the left end termination of described pull bar (7) is connected with the piston end of cylinder (8).
3. gas sampler atmospheric equilibrium valve according to claim 1 and 2, is characterized in that: the top of the right-hand member of described sample gas inlet hole (3a) and sample gas air outlet hole (4c) is all connected with pipe joint (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144749.9U CN203757070U (en) | 2014-03-28 | 2014-03-28 | Atmosphere balancing valve for gas sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144749.9U CN203757070U (en) | 2014-03-28 | 2014-03-28 | Atmosphere balancing valve for gas sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203757070U true CN203757070U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144749.9U Expired - Fee Related CN203757070U (en) | 2014-03-28 | 2014-03-28 | Atmosphere balancing valve for gas sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203757070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626901A (en) * | 2015-12-31 | 2016-06-01 | 上海华爱色谱分析技术有限公司 | Sampling valve with purging function for high-purity gas analysis |
| CN105675776A (en) * | 2016-04-07 | 2016-06-15 | 中科合成油技术有限公司 | Stable online chromatogram sample feeding device and method |
-
2014
- 2014-03-28 CN CN201420144749.9U patent/CN203757070U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626901A (en) * | 2015-12-31 | 2016-06-01 | 上海华爱色谱分析技术有限公司 | Sampling valve with purging function for high-purity gas analysis |
| CN105675776A (en) * | 2016-04-07 | 2016-06-15 | 中科合成油技术有限公司 | Stable online chromatogram sample feeding device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170315 Address after: 102600 B District, Daxing District Economic Development Zone, Beijing Road, No. 6, building No. five, layer Patentee after: BEIJING RUNCHECK OIL MONITORING TECHNOLOGY CO.,LTD. Address before: 100070 Beijing, South West Third Ring Road West, No. 88, building, room 3033, spring haze Patentee before: BEIJING CHUSHENG TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |