CN213364776U - Full-automatic petroleum product water-soluble acid-base testing device - Google Patents
Full-automatic petroleum product water-soluble acid-base testing device Download PDFInfo
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- CN213364776U CN213364776U CN202021531097.6U CN202021531097U CN213364776U CN 213364776 U CN213364776 U CN 213364776U CN 202021531097 U CN202021531097 U CN 202021531097U CN 213364776 U CN213364776 U CN 213364776U
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Abstract
The utility model discloses a full-automatic oil product water-soluble acid-base testing arrangement, it has the sample bottle to add the heat oscillation box, be equipped with the liquid suction pipe in the sample bottle, the liquid suction pipe upper end is stretched out the sample bottle and is connected with the connecting tube, it is equipped with the sample peristaltic pump to be close to sample bottle department on the connecting tube, the apopore of seting up below the measuring cell passes through the connecting tube and is connected with the waste liquid container, install the waste liquid solenoid valve on the connecting tube between waste liquid container and the measuring cell, the apopore of seting up both sides of measuring cell passes through the connecting tube and is connected with washing liquid container and protection liquid container respectively, washing liquid peristaltic pump is installed to washing liquid container top, protection liquid peristaltic pump is installed. The utility model discloses simple structure, with the oscillation of sample, heating, the integration of stewing, sample, PH survey and washing, get rid of the human factor and influence the experimental result, make the experimental result more accurate.
Description
Technical Field
The utility model belongs to the technical field of the technique that the petroleum product detected and specifically relates to a full-automatic petroleum product water-soluble acid-base testing arrangement is related to.
Background
The water-soluble acid-base of the petroleum product refers to water-soluble mineral acid-base, low-molecular organic acid, water-soluble phenolic compounds and salts dissolved in the petroleum product in the processing and storage processes. The most predominant of which are mineral acids. Mineral acids are mainly sulfuric acid and its derivatives, including sulfonic acids and acidic sulfates. The water-soluble alkali is mainly caustic soda and sodium carbonate. They are mostly formed by residues of crude acid and alkali, which cannot be removed cleanly; the water-soluble acid and alkali of the petroleum product are one of the items which must be detected when the petroleum product leaves a factory, the quality of the petroleum product is determined, and the petroleum product corrodes metal components which are contacted with the petroleum product when in production, use or storage, so that the oil product is promoted to age. In the factory component analysis, even if trace water-soluble acid and alkali are found, the quality of the oil product can be considered to be unqualified, and the oil product cannot be delivered from a factory. Therefore, the determination of the water-soluble acid-base content of the oil is particularly important.
The method for determining the water-soluble acid-base of the petroleum product in China is based on the following national standards:
GB/T259-88 petroleum product water-soluble acid and alkali determination method;
acid value determination method for GB/T264-83 petroleum product
Acid value determination method (potentiometric titration method) for GB/T7304-2000 petroleum products and lubricants
The standard number shows that the standard of the method for measuring the water-soluble acid and alkali of the petroleum product is established in a relatively long time, and the method for really measuring the acid and the alkali is only GB/T259-88 and is also a standard for more than thirty years.
The determination process is complex and low in automation degree, experimenters are required to add a sample and distilled water into a separating funnel according to the ratio of 1:1, heat the sample and the distilled water to 50-60 ℃, shake the sample for 5 minutes slightly but not allow emulsification, so that acid and alkali components in the sample are dissolved in the distilled water, after the sample is kept stand and layered, a lower water layer is discharged, and then a PH meter or an indicator is used for determining water-soluble acid or alkali. Although the laboratory does not lack precise temperature control equipment, vibration equipment and advanced PH meters at present, an automatic complete set of equipment for measuring the water-soluble acid and alkali of petroleum products never appears. The influence of human factors in the operation process is large, and manpower is wasted, so that the design of a full-automatic petroleum product water-soluble acid-base testing device is necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a full-automatic petroleum product water-soluble acid-base testing arrangement.
The technical scheme of the utility model is that: a full-automatic petroleum product water-soluble acid-base testing device comprises a sample processing device, a detection main body and a connecting pipeline, wherein the sample processing device comprises a heating oscillation box, a sample bottle, a liquid pumping pipe and a sample peristaltic pump, the heating oscillation box is internally provided with the sample bottle, the liquid pumping pipe is arranged in the sample bottle, the upper end of the liquid pumping pipe extends out of the sample bottle to be connected with the connecting pipeline, the sample peristaltic pump is arranged on the connecting pipeline close to the sample bottle, the detection device comprises a measuring pool, a cleaning liquid container, a waste liquid container and a protection liquid container, a water outlet hole formed below the measuring pool is connected with the waste liquid container through the connecting pipeline, a waste liquid electromagnetic valve is arranged on the connecting pipeline between the waste liquid container and the measuring pool, water outlet holes formed on two sides of the measuring pool are respectively connected with the cleaning liquid container, and a cleaning liquid peristaltic pump is arranged above the cleaning liquid container, a protection liquid peristaltic pump is arranged above the protection liquid container, and a control system is arranged in the detection main body.
Preferably, install temperature probe and PH electrode in the measuring cell, temperature probe and PH electrode with control system electric connection.
Preferably, the heating oscillation box, the sample peristaltic pump, the waste liquid electromagnetic valve, the cleaning liquid peristaltic pump and the protection liquid peristaltic pump are electrically connected with the control system.
Preferably, the detection main body is provided with a display screen and a control key.
Preferably, the upper end of the sample bottle is provided with a sealing piston, and the upper end of the liquid pumping pipe penetrates through the sealing piston to be connected with a connecting pipeline.
Preferably, a vent pipe is arranged on the sealing piston and is arranged in parallel with the liquid pumping pipe.
Preferably, the measuring cell is in an open setting.
Compared with the prior art, the utility model discloses following beneficial effect has: the oscillation, the heating, the stewing, the sampling, PH survey and the integrated integration of washing of sample, sample and distilled water in the sample bottle make the acid-base composition in the sample fully dissolve in distilled water through heating and oscillation in the heating oscillation case, the solution that has dissolved acid-base composition in the bottom behind sample and the moisture layering is measured pH meter in sending to the measuring cell through the peristaltic pump to the pH value, open the waste liquid solenoid valve after accomplishing the measurement and remove the waste liquid in the measuring cell, pump again pure water washing pipeline and measuring cell, pump at last pump sending electrode protection liquid and deposit electrode can not take out independent protection in the measuring cell, get rid of human factor influence experimental result, make the experimental result more accurate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, a full-automatic petroleum product water-soluble acid-base testing device comprises a heating oscillation box 1, a sample bottle 2, a liquid pumping pipe 3, a sealing piston 4, a vent pipe 5, a sample peristaltic pump 6, a connecting pipeline 7, a measuring pool 8, a temperature probe 9, a PH electrode 10, a cleaning liquid peristaltic pump 11, a waste liquid electromagnetic valve 12, a cleaning liquid container 13, a protective liquid peristaltic pump 14, a waste liquid container 15, a protective liquid container 16, a detection main body 17, a display screen 18 and a control key 19.
A sample bottle 2 is arranged in the heating oscillation box 1, a sealing piston 4 is arranged at the upper end of the sample bottle 2, the upper end of a liquid pumping pipe 3 is penetrated and provided with the sealing piston 4 to be connected with a connecting pipeline 7, the lower end of the liquid pumping pipe 3 is close to the bottom of the sample bottle 2, a vent pipe 5 is arranged on the sealing piston 4 and the liquid pumping pipe 3 side by side to keep the pressure of a sample to be detected in the sample bottle 2 stable, a sample peristaltic pump 6 is arranged on the connecting pipeline 7 close to the sample bottle 2, in practical work, because the oscillation delamination of the previous sample is a longer process, and the measurement process is faster, therefore, when a plurality of samples need to be detected, a plurality of sample bottles 2 can be connected in series, different samples to be detected are arranged in the sample bottles, the sample peristaltic pump 6 is closed when the heating is oscillated, so that different samples can not flow into other sample bottles 2, thereby causing contamination of the sample to be measured, and fig. 1 shows the effect of two sample bottles 2 connected in series.
The detection device comprises a measurement pool 8, a cleaning liquid container 13, a waste liquid container 15 and a protection liquid container 16, wherein the measurement pool 8 is arranged in an open manner and is kept at normal temperature and normal pressure, a temperature probe 9 and a PH electrode 10 are installed in the measurement pool, the temperature probe 9 and the PH electrode 10 are electrically connected with a control system, a water outlet hole formed in the lower portion of the measurement pool 8 is connected with the waste liquid container 15 through a connecting pipeline 7, a waste liquid electromagnetic valve 12 is installed on the connecting pipeline 7 between the waste liquid container 15 and the measurement pool 8, water outlet holes formed in two sides of the measurement pool 8 are respectively connected with the cleaning liquid container 13 and the protection liquid container 16 through the connecting pipeline 7, a cleaning liquid peristaltic pump 11 is installed above the cleaning liquid container 13, a protection liquid peristaltic pump 14 is installed above the protection liquid container 16, the control system is arranged in a detection main body 17, a display screen 18 and a control key 19 are arranged on, the heating oscillation box 1, the sample peristaltic pump 6, the waste liquid electromagnetic valve 12, the cleaning liquid peristaltic pump 11 and the protection liquid peristaltic pump 14 are all electrically connected with a control system (common electrical connection control in the market is not described in detail), the oscillation, heating, standing, sampling, PH measurement and cleaning of the sample are integrated, the influence of human factors on an experiment result is eliminated, and the experiment result is more accurate.
The utility model discloses a theory of operation does: mixing a sample to be detected with pure water, filling the mixture into a sample bottle 2, and fixing the sample bottle 2 in a heating oscillation box 1; the heating oscillation box 1 has the functions of temperature control heating and oscillation, the temperature is controlled to be stabilized at 60 +/-1 ℃, the oscillation frequency is 2Hz, oscillation is carried out for 5min at the temperature of 60 ℃, and then heating and oscillation are stopped, and standing is carried out for 10min until the clarified oil and water are separated; the sample peristaltic pump 6 pumps the lower layer solution at a pumping speed of 50ml/min for 15 seconds to pump about 10ml of solution into the measuring cell 8; after the pumping is finished, when the temperature of the temperature probe 9 is stable, acquiring the data of the PH electrode 10 while acquiring the temperature; the acquired PH value is subjected to temperature compensation through a control system in the detection main body 17, the final PH value is obtained and is used as the PH value of the sample, and the acquired data and the adjusted data are displayed on a display screen 18; after the determination is finished, the waste liquid electromagnetic valve 12 is opened to drain the waste liquid in the measuring pool 8, pure water in the cleaning liquid container 13 is pumped for 15 seconds by about 10ml through the cleaning liquid peristaltic pump 11 to be cleaned in the measuring pool 8, the measuring pool 8 is cleaned while the connecting pipeline 7 is cleaned, then the waste liquid electromagnetic valve 12 is opened to drain the cleaning liquid for 2-3 times, the pure water in the connecting pipeline 7 is sent back to the cleaning liquid container 13 by the reverse cleaning liquid peristaltic pump 11 after the cleaning is finished, and the determination of the next sample can be carried out. If the sample is not tested any more, the protective liquid peristaltic pump 7 is started to pump the PH electrode protective liquid in the protective liquid container 16 into the measuring pool 8 so that the electrode head of the PH electrode 10 is soaked in the PH electrode protective liquid.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the right of the present invention should not be limited thereby, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.
Claims (7)
1. The utility model provides a full-automatic petroleum product water-soluble acid-base testing arrangement which characterized in that: comprises a sample processing device, a detection main body (17) and a connecting pipeline (7), wherein the sample processing device comprises a heating oscillation box (1), a sample bottle (2), a liquid pumping pipe (3) and a sample peristaltic pump (6), the sample bottle (2) is arranged in the heating oscillation box (1), the liquid pumping pipe (3) is arranged in the sample bottle (2), the upper end of the liquid pumping pipe (3) extends out of the sample bottle (2) to be connected with the connecting pipeline (7), the sample peristaltic pump (6) is arranged on the connecting pipeline (7) close to the sample bottle (2), the detection device comprises a measurement pool (8), a cleaning liquid container (13), a waste liquid container (15) and a protection liquid container (16), a water outlet hole formed below the measurement pool (8) is connected with the waste liquid container (15) through the connecting pipeline (7), a waste liquid electromagnetic valve (12) is arranged on the connecting pipeline (7) between the waste liquid container (15) and the measurement pool (8), the water outlet holes formed in the two sides of the measuring pool (8) are respectively connected with a cleaning liquid container (13) and a protection liquid container (16) through connecting pipelines (7), a cleaning liquid peristaltic pump (11) is installed above the cleaning liquid container (13), a protection liquid peristaltic pump (14) is installed above the protection liquid container (16), and a control system is arranged in the detection main body (17).
2. The full-automatic petroleum product water-soluble acid-base testing device according to claim 1, characterized in that: the measuring cell (8) is internally provided with a temperature probe (9) and a PH electrode (10), and the temperature probe (9) and the PH electrode (10) are electrically connected with the control system.
3. The full-automatic petroleum product water-soluble acid-base testing device according to claim 1, characterized in that: the heating oscillation box (1), the sample peristaltic pump (6), the waste liquid electromagnetic valve (12), the cleaning liquid peristaltic pump (11) and the protection liquid peristaltic pump (14) are all electrically connected with the control system.
4. The full-automatic petroleum product water-soluble acid-base testing device according to claim 1, characterized in that: the detection main body (17) is provided with a display screen (18) and a control key (19).
5. The full-automatic petroleum product water-soluble acid-base testing device according to claim 1, characterized in that: the upper end of the sample bottle (2) is provided with a sealing piston (4), and the upper end of the liquid pumping pipe (3) penetrates through the sealing piston (4) to be connected with a connecting pipeline (7).
6. The full-automatic petroleum product water-soluble acid-base testing device according to claim 5, characterized in that: and the sealing piston (4) and the liquid pumping pipe (3) are provided with a vent pipe (5) in parallel.
7. The full-automatic petroleum product water-soluble acid-base testing device according to claim 1, characterized in that: the measuring pool (8) is arranged in an open manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021531097.6U CN213364776U (en) | 2020-07-29 | 2020-07-29 | Full-automatic petroleum product water-soluble acid-base testing device |
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| CN202021531097.6U CN213364776U (en) | 2020-07-29 | 2020-07-29 | Full-automatic petroleum product water-soluble acid-base testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858881A (en) * | 2021-07-29 | 2022-08-05 | 河南省锅炉压力容器安全检测研究院 | Water-soluble acid-base testing system |
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2020
- 2020-07-29 CN CN202021531097.6U patent/CN213364776U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858881A (en) * | 2021-07-29 | 2022-08-05 | 河南省锅炉压力容器安全检测研究院 | Water-soluble acid-base testing system |
| CN114858881B (en) * | 2021-07-29 | 2024-03-19 | 河南省锅炉压力容器安全检测研究院 | Water-soluble acid-base test system |
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