CN211401796U - Automatic quantitative sampling device for petroleum oil drums - Google Patents
Automatic quantitative sampling device for petroleum oil drums Download PDFInfo
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- CN211401796U CN211401796U CN201921510843.0U CN201921510843U CN211401796U CN 211401796 U CN211401796 U CN 211401796U CN 201921510843 U CN201921510843 U CN 201921510843U CN 211401796 U CN211401796 U CN 211401796U
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Abstract
An automatic quantitative sampling device for petroleum oil drums relates to the technical field of oil drum sampling, and comprises a sampling device, a sampling pipe and a sealing device; one end of the sampling tube is correspondingly connected with a sampling port of the oil drum through a sealing device, the end of the sampling tube extends to the inner bottom surface of the oil drum, the other end of the sampling tube is correspondingly communicated with the sampling device, and the sampling device is placed on the top surface of the oil drum; the sampling device comprises an explosion-proof shell, a sampling pump and a flow meter, wherein a sampling tube is correspondingly connected with a liquid inlet end of the sampling pump, a liquid outlet end of the sampling pump is correspondingly communicated with a liquid inlet of the flow meter through a pipeline, a liquid outlet of the flow meter is communicated into a sampling bottle through a pipeline, the sampling pump is driven by a motor, and the outer wall of the sampling pump is provided with a grounding wire penetrating through the explosion-proof shell; the sampling pump and the flow meter are correspondingly and electrically connected with the control system; this device can the ration extract oil appearance to the explosion-proof intensity of device is higher.
Description
Technical Field
The utility model belongs to the technical field of the oil drum sampling technique and specifically relates to an automatic quantitative sampling device for petroleum oil drum is related to.
Background
The well-known petrochemical system has large consumption of various lubricating oil and standard oil, a container for containing the standard oil is a 53 gallon vat, a certain amount of sample needs to be taken out of the vat for testing each time in daily use, the traditional sampling mode is that a plastic hose and an ear washing ball are used for sucking the oil sample from the vat into a sampling bottle by using a siphon principle, but when the liquid level of the oil sample in the vat is lower than that of the oil sample in the sampling bottle, the vat needs to be horizontally placed to continuously extract the oil sample in the vat, so that the operation is strenuous, the potential safety hazard of barrel rolling is also existed, and the adoption mode can not quantitatively extract the oil sample;
the other sampling mode is that a standard oil sampler is used for sampling, the working principle of an inflator is used for reference, a pedal supercharging device is used for injecting air into a barrel, the pressure in the barrel is increased to extrude an oil sample, but the method is adopted to increase the concentration of the air in contact with the oil sample and accelerate the oxidation speed of the oil sample, and the actual value of the oil sample is deviated from the standard value after the oil sample is oxidized, so that the accuracy of the measuring result is directly influenced; pressurized air is discharged after the oil sample is taken every time, and a large amount of oil gas is carried in the emptying process, so that the oil sample is wasted, the environment is polluted, and the hydrocarbon composition of the standard oil is changed and the actual value of the standard oil is changed because the light components are volatilized and discharged along with the air; the pedal supercharger is high in price, but poor in quality, poor in durability, easy to damage and high in use cost; in summary, there is a need in the market for a sampling device that can extract oil samples quantitatively and has a high explosion-proof strength.
Disclosure of Invention
In order to overcome the not enough in the background art, the utility model discloses an automatic quantitative sampling device for petroleum oil drum.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an automatic quantitative sampling device for petroleum oil barrels comprises a sampling device, a sampling pipe and a sealing device; one end of the sampling tube is correspondingly connected with a sampling port of the oil drum through a sealing device, the end of the sampling tube extends to the inner bottom surface of the oil drum, the other end of the sampling tube is correspondingly communicated with the sampling device, and the sampling device is placed on the top surface of the oil drum; the sampling device comprises an explosion-proof shell, a sampling pump and a flow meter, wherein a sampling tube is correspondingly connected with a liquid inlet end of the sampling pump, a liquid outlet end of the sampling pump is correspondingly communicated with a liquid inlet of the flow meter through a pipeline, a liquid outlet of the flow meter is communicated into a sampling bottle through a pipeline, the sampling pump is driven by a motor, and the outer wall of the sampling pump is provided with a grounding wire penetrating through the explosion-proof shell; the sampling pump and the flow meter are correspondingly and electrically connected with the control system;
preferably, the sealing means comprises a sealing tube; the hole wall of the sampling port is correspondingly in threaded connection with one end of a sealing tube, a sealing pressing ring and a sealing ring are arranged on the tube body of the sealing tube, the end faces of the two sides of the sealing ring are correspondingly abutted against the bottom end face of the sealing pressing ring and the top end face of the sampling port respectively, and the other end of the sealing tube is correspondingly in sealing insertion connection with the sampling tube;
preferably, the bottom surface of the explosion-proof shell of the sampling device is provided with a butt joint, and one end of the sealing pipe, which is far away from the oil drum, is correspondingly connected with the butt joint;
preferably, a lead is arranged between the tube wall of the sealing tube and the outer wall of the sampling pump;
preferably, the sampling pump is a gear pump.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses an automatic quantitative sampling device for petroleum oil drums, which realizes the purpose of quantitative extraction of sample liquid in the oil drum through a sampling device and solves the problem that the traditional device is inconvenient for quantitative sampling; and the sealing performance between the sealing pipe and the oil drum is enhanced through the sealing device, and the problem that the standard fuel oil in the traditional device is easy to oxidize and deteriorate is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sealing device;
fig. 3 is a schematic view of the sampling device and the sealing device after they are connected.
In the figure: 1. an oil drum; 2. a sampling tube; 3. a sealing device; 4. a sampling port; 5. a sampling pump; 6. a flow meter; 7. a ground line; 8. a sealing tube; 9. sealing the pressure ring; 10. and (4) a sealing ring.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
The automatic quantitative sampling device for the petroleum oil drum, which is described in conjunction with the attached drawings 1-3, comprises a sampling device, a sampling pipe 2 and a sealing device 3; one end of the sampling tube 2 is correspondingly connected with a sampling port 4 of the oil drum 1 through a sealing device 3, the end of the sampling tube 2 extends to the inner bottom surface of the oil drum 1, and in addition, the sealing device 3 comprises a sealing tube 8; the hole wall of the sampling opening 4 is correspondingly in threaded connection with one end of the sealing tube 8, so that the sealing performance of the sealing tube 8 and the sampling opening 4 during connection is enhanced, the sealing tube 8 and the sampling opening 4 are convenient to disassemble, the tube body of the sealing tube 8 is provided with the sealing press ring 9 and the sealing ring 10, the end faces of two sides of the sealing ring 10 are respectively correspondingly abutted against the bottom end face of the sealing press ring 9 and the top end face of the sampling opening 4, the sealing performance between the sealing tube 8 and the sampling opening 4 can be stronger through the sealing ring 10, the sealing press ring 9 can fix the sealing ring 10 after the sealing tube 8 is connected with the sampling opening 4, and the other end of the sealing tube 8 is correspondingly in sealed insertion connection with the sampling tube 2; according to the requirement, a conducting wire is arranged between the pipe wall of the sealing pipe 8 and the outer wall of the sampling pump 5, when the sealing pipe 8 is made of metal, the conducting wire can guide the current carried by the pipe body of the sealing pipe 8 to the outer wall of the sampling pump 5, and finally the current is output to the bottom surface through the grounding wire 7, so that the sealing pipe 8 is protected;
the other end of the sampling tube 2 is correspondingly communicated with a sampling device, and the sampling device is placed on the top end face of the oil drum 1; the sampling device comprises an explosion-proof shell, a sampling pump 5 and a flow meter 6, in addition, the sampling pump 5 is set as a gear pump, the pumped oil sample can be sent back by utilizing the characteristic that the gear pump can be used for preventing the oil sample from remaining in the sampling device after the sampling process is finished, thereby achieving the purpose of saving resources, a sampling pipe 2 is correspondingly connected with the liquid inlet end of the sampling pump 5, the liquid outlet end of the sampling pump 5 is correspondingly communicated with the liquid inlet end of the flow meter 6 through a pipeline, the liquid outlet end of the flow meter 6 is communicated into a sampling bottle through a pipeline, the flow meter 6 can monitor the quantity of the oil sample pumped by the sampling pump 5 and transmit the value into a control system, the control system judges whether the pumped oil sample reaches the quantity specified by a user, thereby the control system determines whether to stop the sampling pump 5 to continue pumping the oil sample, the sampling pump 5 is driven by a motor, and the outer wall of the sampling pump 5 is provided with a grounding, because the outer wall of the sampling pump 5 is easily electrified when the motor drives the sampling pump 5 to work, the current on the sampling pump 5 can be led out to the ground through the grounding wire 7, the safety of the sampling device is enhanced, according to requirements, the bottom of the explosion-proof shell of the sampling device is provided with a butt joint correspondingly connected with one end of the sealing pipe 8 far away from the oil drum 1, and after the sampling device is correspondingly connected with the sealing pipe 8, the volume of the whole device can be reduced, so that the device can be used for oil drums with different top surface areas; the sampling pump 5 and the flow meter 6 are correspondingly and electrically connected with the control system, a user can freely set the flow of the oil sample to be extracted in the control system, and then the flow meter 6 measures the flow of the oil sample extracted by the sampling pump 5, so that the control system determines whether to stop the work of the sampling pump 5 by judging whether the measurement data of the flow meter 6 is consistent with the set value of the oil sample extraction.
Implement the utility model discloses a during an automatic quantitative sampling device for petroleum oil drum, at first correspond the one end of sampling tube 2 with sampling pump 5 among the sampling device and communicate, the other end of sampling tube 2 passes sealing device 3 and stretches into in the oil drum, sealing device 3 corresponds sealing connection with sample connection 4 of oil drum, then set up the numerical value of the oil sample that will draw in through the user in control system, start sampling pump 5, and control system measures the flow that flows through the oil sample according to flowmeter 6, judge whether the oil sample that sampling pump 5 draws is enough, when the flow data that flowmeter 6 measured is the same with the oil sample numerical value that the user set up, control system then closes sampling pump 5, accomplish the quantitative drawing of oil sample promptly; it should be noted that the sampling device can be connected with the sealing device 3 to form a whole, i.e. the sampling device is sealed, so that the number and the volume of devices required in the oil sample extraction process are reduced, and the sampling device can be used for oil drums with various specifications.
The part of the utility model not detailed is prior art.
Claims (5)
1. The utility model provides an automatic quantitative sampling device for petroleum oil drum, characterized by: comprises a sampling device, a sampling tube (2) and a sealing device (3); one end of the sampling tube (2) is correspondingly connected with a sampling port (4) of the oil drum (1) through a sealing device (3), the end of the sampling tube (2) extends to the inner bottom surface of the oil drum (1), the other end of the sampling tube (2) is correspondingly communicated with the sampling device, and the sampling device is placed on the top surface of the oil drum (1); the sampling device comprises an explosion-proof shell, a sampling pump (5) and a flowmeter (6), wherein a sampling tube (2) is correspondingly connected with a liquid inlet end of the sampling pump (5), a liquid outlet end of the sampling pump (5) is correspondingly communicated with a liquid inlet of the flowmeter (6) through a pipeline, a liquid outlet of the flowmeter (6) is communicated into a sampling bottle through a pipeline, the sampling pump (5) is driven by a motor, and the outer wall of the sampling pump (5) is provided with a grounding wire (7) penetrating through the explosion-proof shell; the sampling pump (5) and the flow meter (6) are correspondingly and electrically connected with the control system.
2. The automatic quantitative sampling device for petroleum oil drums of claim 1, wherein: the sealing device (3) comprises a sealing tube (8); the pore wall of sample connection (4) corresponds threaded connection with the one end of stand pipe (8), and the pipe shaft of stand pipe (8) is equipped with sealed clamping ring (9) and sealing ring (10), and the both sides terminal surface of sealing ring (10) corresponds conflict with the bottom terminal surface of sealed clamping ring (9) and the top face of sample connection (4) respectively, and the other end of stand pipe (8) corresponds sealed grafting with sampling tube (2).
3. The automatic quantitative sampling device for petroleum oil drums of claim 2, wherein: the bottom face of the explosion-proof shell of the sampling device is provided with a butt joint, and one end of the sealing pipe (8) far away from the oil drum (1) is correspondingly connected with the butt joint.
4. The automatic quantitative sampling device for petroleum oil drums of claim 2, wherein: and a conducting wire is arranged between the pipe wall of the sealing pipe (8) and the outer wall of the sampling pump (5).
5. The automatic quantitative sampling device for petroleum oil drums of claim 1, wherein: the sampling pump (5) is a gear pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510843.0U CN211401796U (en) | 2019-09-11 | 2019-09-11 | Automatic quantitative sampling device for petroleum oil drums |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510843.0U CN211401796U (en) | 2019-09-11 | 2019-09-11 | Automatic quantitative sampling device for petroleum oil drums |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211401796U true CN211401796U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921510843.0U Active CN211401796U (en) | 2019-09-11 | 2019-09-11 | Automatic quantitative sampling device for petroleum oil drums |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211401796U (en) |
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2019
- 2019-09-11 CN CN201921510843.0U patent/CN211401796U/en active Active
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