CN211668904U - Device is prepared to octane number reference solution - Google Patents
Device is prepared to octane number reference solution Download PDFInfo
- Publication number
- CN211668904U CN211668904U CN202020317258.5U CN202020317258U CN211668904U CN 211668904 U CN211668904 U CN 211668904U CN 202020317258 U CN202020317258 U CN 202020317258U CN 211668904 U CN211668904 U CN 211668904U
- Authority
- CN
- China
- Prior art keywords
- isooctane
- heptane
- toluene
- reference solution
- octane number
- 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 - Fee Related
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- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000012088 reference solution Substances 0.000 title claims abstract description 30
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 126
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims abstract description 122
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 claims abstract description 43
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000002360 preparation method Methods 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 10
- 238000009472 formulation Methods 0.000 claims 7
- 239000000203 mixture Substances 0.000 claims 7
- 238000000605 extraction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 4
- 238000005474 detonation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Abstract
The utility model relates to an octane number survey technical field, more specifically say, it relates to an octane number reference solution preparation device, and its technical scheme main points are: including the container that is used for dividing the storage n-heptane, isooctane and toluene, be used for adjusting the flow outflow of n-heptane, isooctane and toluene proportional valve and be used for carrying out the blender that mixes with outflow n-heptane, isooctane and toluene, be connected with three inlet line between container and the proportional valve, in the proportional valve n-heptane, isooctane and toluene pass through the plunger pump extraction and inject into the blender, the utility model discloses an octane number reference solution preparation device reaches the online automatic preparation of octane number survey with reference solution, realizes the further automation of octane number survey.
Description
Technical Field
The utility model belongs to the technical field of octane number survey technique and specifically relates to an octane number reference solution preparation device.
Background
Gasoline octane is an indicator of the knock resistance of a fuel used in a vehicle, which is generally used to describe the properties of gasoline and is equal in value to the volume percentage of isooctane contained in a standard fuel that is the same as the sample's knock resistance under the specified conditions. The higher the octane number of the gasoline is, the better the antiknock capability is, and the octane number of the gasoline is generally a key standard for distinguishing different grades of gasoline, such as 95 unleaded gasoline, which means that the octane number of the gasoline is 95.
The gasoline octane number is measured by obtaining the maximum detonation index after the real-time combustion operation of a gasoline octane number measuring machine and then comparing the maximum detonation index with the maximum detonation index of a standard oil sample. Before octane number measurements are carried out, reference solutions are prepared, which are used as a comparison in the measurement and contain no measured substance but whose matrix is as similar as possible to the sample solution. In the prior art, when a reference solution for octane number determination is prepared, normal heptane, isooctane and toluene need to be respectively measured or weighed by a burette or a balance, and then are manually mixed in a container and manually added into a liquid storage tank of a gasoline octane number determination machine, so that the online automatic operation cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an octane number reference solution preparation device reaches octane number survey and uses reference solution's online automatic preparation, realizes octane number survey's further automation.
The above technical purpose of the present invention can be achieved by the following technical solutions: an octane number reference solution preparation device comprises a container for separately storing n-heptane, isooctane and toluene, a proportional valve for regulating the flow outflow of the n-heptane, isooctane and toluene, and a mixer for mixing the outflow of the n-heptane, isooctane and toluene;
three inlet pipelines are connected between the container and the proportional valve;
the n-heptane, isooctane and toluene in the proportioning valve were pumped by a plunger pump and injected into the mixer.
By adopting the technical scheme, the n-heptane, the isooctane and the toluene are respectively stored at corresponding positions in the container, then the n-heptane, the isooctane and the toluene respectively enter corresponding inlets on the proportional valve through three inlet pipelines, the proportional valve sets the proportion of the n-heptane, the isooctane and the toluene according to a program to adjust the opening degree, so that the n-heptane, the isooctane and the toluene flow out of the proportional valve according to different flow rates, the n-heptane, the isooctane and the toluene flow out are collected in the plunger pump, are pumped by the plunger pump and are injected into the mixer, and finally are injected into the liquid storage tank of the octane number from the mixer, so that the on-line automatic preparation of the reference solution for measuring the octane number is realized, and the further automation of.
The utility model discloses further set up to: and a filter head is arranged between the container and the three inlet pipelines.
Through adopting above-mentioned technical scheme, the filter head can filter n-heptane, isooctane and toluene, avoids the foreign matter to enter into and causes the jam in proportional valve or the plunger pump.
The utility model discloses further set up to: and a one-way valve is arranged between the plunger pump and the mixer.
Through adopting above-mentioned technical scheme, set up the check valve and can avoid in the backward flow to the plunger pump from discharged n-heptane, isooctane and toluene of plunger pump to avoid influencing the preparation process of reference solution.
The utility model discloses further set up to: and an exhaust valve is arranged on the plunger pump.
Through adopting above-mentioned technical scheme, liquid can release some air when flowing in the pipeline and come out, can produce the air lock when the excess is amassed to air in the pipeline, influences the flow, can arouse the pipeline to break even, consequently sets up discharge valve and can discharge the air in the pipeline, avoids producing the air lock.
The utility model discloses further set up to: and a bypass electromagnetic valve is arranged behind the plunger pump.
Through adopting above-mentioned technical scheme, set up the bypass solenoid valve and be convenient for discharge the waste liquid.
The utility model discloses further set up to: the blender includes blending tank and centrifugal stirring rod, centrifugal stirring rod sets up in the blending tank.
By adopting the technical scheme, after the n-heptane, the isooctane and the toluene enter the mixing barrel, the effect of quickly mixing the n-heptane, the isooctane and the toluene can be achieved through the centrifugal stirring rod.
The utility model discloses further set up to: the container, proportioning valve, plunger pump and mixer are supported by the same frame.
Through adopting above-mentioned technical scheme, container, proportional valve, plunger pump and blender setting are convenient for the bulk movement behind same frame, and it is more convenient to operate.
The utility model discloses further set up to: the rack is provided with a main control box, and the main control box is provided with an operation panel and an access door.
By adopting the technical scheme, the operation panel on the main control box is used for controlling the work of the octane number reference solution preparation device, and the access door is convenient for people to maintain the main control box.
To sum up, the utility model discloses following beneficial effect has:
firstly, the on-line automatic preparation of a reference solution for octane number determination is achieved, and the further automation of octane number determination is realized;
secondly, foreign matters can be prevented from entering the proportional valve or the plunger pump to cause blockage;
thirdly, air resistance can be avoided;
fourthly, the reflux of the n-heptane, the isooctane and the toluene discharged from the plunger pump can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of a preparation device in the present embodiment.
In the figure: 1. a frame; 2. a base plate; 3. a support plate; 4. a top plate; 5. a master control box; 6. an operation panel; 7. an access door; 8. a work table; 9. a container; 10. an accommodating chamber; 11. a liquid outlet pipe; 12. a filter head; 13. a proportional valve; 14. a pipe interface; 15. an inlet line; 16. a plunger pump; 17. a liquid inlet pump port; 18. a liquid outlet pump port; 19. a connecting pipe; 20. an exhaust valve; 21. a main flow pipe; 22. a one-way valve; 23. a first shunt pipe; 24. a second shunt pipe; 25. a bypass solenoid valve; 26. a mixing barrel; 27. centrifuging the stirring rod; 28. and a solution drain pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides a device is prepared to octane number reference solution, as shown in figure 1, includes frame 1, and frame 1 includes bottom plate 2, backup pad 3 and roof 4, and bottom plate 2, backup pad 3 and roof 4 all are the rectangle, and bottom plate 2 level sets up, and backup pad 3 sets up in the edge of one side of bottom plate 2, and backup pad 3 is vertical to be set up on bottom plate 2. One side of roof 4 and the top fixed connection of backup pad 3, roof 4 level setting, roof 4 and bottom plate 2 lie in the same one side of backup pad 3.
As shown in fig. 1, a main control box 5 is disposed on the top of the bottom plate 2, an operation panel 6 is disposed on the main control box 5, and the main control box 5 is used for controlling the operation of the octane number reference solution preparation device. An access door 7 is arranged on the main control box 5, and the main control box 5 is convenient to maintain due to the arrangement of the access door 7. The top of master control box 5 is provided with workstation 8, and workstation 8 is the rectangle, and one side lateral wall of workstation 8 and one side lateral wall laminating of backup pad 3.
As shown in fig. 1, a container 9 for separately storing n-heptane, isooctane and toluene is arranged at the top of the top plate 4, the container 9 is rectangular, three accommodating cavities 10 are formed in the top of the container 9, the three accommodating cavities 10 are arranged at intervals, and the three accommodating cavities 10 are respectively used for accommodating n-heptane, isooctane and toluene. Liquid outlet pipe 11 has all down been seted up to the bottom that three held chamber 10, and liquid outlet pipe 11 runs through roof 4, and liquid outlet pipe 11's both ends link up and with hold chamber 10 intercommunication for three normal heptane, isooctane and the toluene that holds in the chamber 10 go out through three liquid outlet pipe 11 respectively. The bottoms of the three liquid outlet pipes 11 are connected with filter heads 12, and the three filter heads 12 are used for filtering n-heptane, isooctane and toluene which are respectively discharged from the three liquid outlet pipes 11, so that foreign matters are prevented from being discharged through the liquid outlet pipes 11, and the subsequent preparation process is prevented from being influenced.
As shown in fig. 1, a proportional valve 13 is provided on the top of the table 8, and three pipe interfaces 14 are provided on the proportional valve 13. An inlet pipeline 15 is respectively connected between three pipe connectors 14 of the proportional valve 13 and the three filter heads 12, so that n-heptane, isooctane and toluene in the container 9 enter the proportional valve 13 after being filtered.
As shown in fig. 1, a plunger pump 16 is disposed on the table 8, a liquid inlet pump port 17 and a liquid outlet pump port 18 are disposed on the plunger pump 16, a connection pipe 19 is connected between the liquid inlet pump port 17 of the plunger pump 16 and the proportional valve 13, so that the plunger pump 16 is communicated with the proportional valve 13, and the plunger pump 16 is used for pumping n-heptane, isooctane and toluene discharged from the proportional valve 13. The plunger pump 16 is connected with an exhaust valve 20, because liquid can release a part of air to come out when flowing in the pipeline, when air accumulates in the pipeline excessively, air resistance can be generated, the flow is influenced, and even the pipeline is broken, so that the exhaust valve 20 is arranged to discharge the air in the pipeline, and the air resistance is avoided.
As shown in fig. 1, a main flow pipe 21 is connected to the liquid outlet port 18 of the plunger pump 16, and the main flow pipe 21 is used for discharging n-heptane, isooctane, and toluene pumped by the plunger pump 16. The main flow pipe 21 is provided with the check valve 22, and the check valve 22 can prevent the n-heptane, the isooctane and the toluene in the main flow pipe 21 from refluxing, so that the preparation of the n-heptane, the isooctane and the toluene is prevented from being influenced. One section of the main flow pipe 21 far away from the plunger pump 16 is connected with a first shunt pipe 23 and a second shunt pipe 24, the first shunt pipe 23 is positioned above the second shunt pipe 24, and the second shunt pipe 24 is connected with a bypass electromagnetic valve 25. When the bypass solenoid valve 25 closes the second shunt pipe 24, n-heptane, isooctane, and toluene in the main pipe 21 are discharged through the first shunt pipe 23, and when the bypass solenoid valve 25 opens the second shunt pipe 24, the n-heptane, isooctane, and toluene in the main pipe 21 are discharged to the second shunt pipe 24 below because the second shunt pipe 24 is below the first shunt pipe 23, and the arrangement of the bypass solenoid valve 25 facilitates the octane number solution preparing apparatus to discharge waste liquid through the second shunt pipe 24.
As shown in fig. 1, a mixing barrel 26 is arranged at the top of the main control box 5, the mixing barrel 26 is rectangular, one side wall of the mixing barrel 26 is attached to one side wall of the workbench 8, the top of the mixing barrel 26 and the top of the workbench 8 are located at the same height, and the mixing barrel 26 is located below the tail end of the first shunt pipe 23, so that n-heptane, isooctane and toluene passing through the first shunt pipe 23 are discharged into the mixing barrel 26. A centrifugal stirring rod 27 is provided in the mixing tub 26, and n-heptane, isooctane, and toluene discharged into the mixing tub 26 can be mixed by stirring with the centrifugal stirring rod 27 to complete preparation, thereby forming a reference solution. A valved solution drain tube 28 is connected to one side of the mixing barrel 26 for injecting the reference solution into the octane reservoir.
The implementation principle of the embodiment is as follows: n-heptane, isooctane and toluene are respectively stored in three containing cavities 10 of a container 9, the n-heptane, isooctane and toluene in the three containing cavities 10 are filtered and then flow into a proportional valve 13 from an inlet pipeline 15, then an operation panel 6 of a main control box 5 is operated, the proportional valve 13 is enabled to set the proportional adjustment opening of the n-heptane, isooctane and toluene according to a program so as to enable the n-heptane, isooctane and toluene to flow out of the proportional valve 13 according to different flow rates, the n-heptane, isooctane and toluene flowing out of the proportional valve 13 are pumped by a plunger pump 16 and collected in the plunger pump 16, under the condition that a bypass electromagnetic valve 25 seals a second shunt pipe 24, the n-heptane, isooctane and toluene pumped by the plunger pump 16 are finally discharged into a mixing barrel 26 through a main flow pipe 21 and a first shunt pipe 23 and are mixed in the mixing barrel 26 by a centrifugal stirring rod 27, and finally a reference solution is formed, so that the octane number reference solution preparation device achieves the on-line automatic preparation of the octane number determination reference solution, further automation of octane number determination is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. An octane number reference solution preparation device, which is characterized in that: comprises a container (9) for storing n-heptane, isooctane and toluene, a proportional valve (13) for adjusting the flow rate of the n-heptane, isooctane and toluene and a mixer for mixing the n-heptane, isooctane and toluene;
three inlet pipelines (15) are connected between the container (9) and the proportional valve (13);
the n-heptane, isooctane and toluene in the proportional valve (13) are pumped by a plunger pump (16) and injected into the mixer.
2. An octane reference solution formulation apparatus according to claim 1, wherein: and a filter head (12) is arranged between the container (9) and the three inlet pipelines (15).
3. An octane reference solution formulation apparatus according to claim 1, wherein: a one-way valve (22) is arranged between the plunger pump (16) and the mixer.
4. An octane reference solution formulation apparatus according to claim 1, wherein: an exhaust valve (20) is arranged on the plunger pump (16).
5. An octane reference solution formulation apparatus according to claim 1, wherein: a bypass electromagnetic valve (25) is arranged behind the plunger pump (16).
6. An octane reference solution formulation apparatus according to claim 1, wherein: the mixer comprises a mixing tub (26) and a centrifugal stirring rod (27), the centrifugal stirring rod (27) being arranged inside the mixing tub (26).
7. An octane reference solution formulation apparatus according to claim 1, wherein: the container (9), the proportioning valve (13), the plunger pump (16) and the mixer are supported by the same frame (1).
8. An octane reference solution formulation apparatus according to claim 7, wherein: the machine is characterized in that a main control box (5) is arranged on the rack (1), and an operation panel (6) and an access door (7) are arranged on the main control box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317258.5U CN211668904U (en) | 2020-03-13 | 2020-03-13 | Device is prepared to octane number reference solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317258.5U CN211668904U (en) | 2020-03-13 | 2020-03-13 | Device is prepared to octane number reference solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211668904U true CN211668904U (en) | 2020-10-13 |
Family
ID=72742445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020317258.5U Expired - Fee Related CN211668904U (en) | 2020-03-13 | 2020-03-13 | Device is prepared to octane number reference solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211668904U (en) |
-
2020
- 2020-03-13 CN CN202020317258.5U patent/CN211668904U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |