Multi-pipe sampling type oil tank sampling device

Abstract

The invention discloses a multi-pipe sampling type oil tank sampling device which comprises a supporting platform, a flange connected with an oil tank oil taking opening is arranged on one side of the supporting platform, a multi-channel fixing disc is arranged on the supporting platform at the end, close to the oil tank oil taking opening, of the flange, and a plurality of through holes are formed in the multi-channel fixing disc. A flexible oil pipe is arranged at the end, close to an oil taking opening of the oil tank, of each through hole, the length of each flexible oil pipe is set according to the depth of a sampling position, and a balancing weight is further arranged at one end of each flexible oil pipe. A single-channel rotary disc in rotary sealing fit is arranged at the end, away from the oil tank oil taking opening, of the multi-channel fixing disc, and an oil inlet hole of the single-channel rotary disc can be communicated with any through hole of the multi-channel fixing disc. A rotary connector is arranged at one end of an oil outlet hole of the single-channel rotary table and connected with the input end of the pneumatic diaphragm pump through a pipe fitting, and the output end of the pneumatic diaphragm pump is connected with an oil nozzle through a pipe fitting.

Description

Technical Field

[0001] The invention relates to the technical field of oil production equipment, in particular to a multi-tube sampling type oil tank sampling device. Background Art

[0002] With the rapid development of industrial technology, petroleum and its related products, as important energy sources and chemical raw materials, play a vital role in the national economy. Oil tanks, as primary storage equipment, are crucial for the storage, transportation, and use of oil. The quality and safety of the oil within them are therefore crucial. To ensure this quality and safety, regular sampling and analysis of the oil within the tanks has become an essential task.

[0003] Traditional oil tank sampling methods typically involve manual sampling or sampling using a single suction pipe. Both methods have numerous shortcomings. First, traditional manual sampling methods are time-consuming and labor-intensive, sample representativeness is difficult to control, sampling personnel are labor-intensive, and are often subject to severe weather conditions such as rain, snow, and strong winds. In particular, flammable, explosive, toxic, and hazardous media pose a serious threat to the safety of samplers. Second, residues are easily present in a single suction pipe, making it difficult to ensure uniformity and representativeness of the sample. Third, the sampling efficiency of a single suction pipe is low, and it cannot meet the needs of fast and efficient sampling. Summary of the Invention

[0004] The purpose of the present invention is to solve the above technical problems and provide a multi-tube sampling type oil tank sampling device to improve the uniformity and representativeness of oil sampling, while reducing manual workload and lowering the risk of personal injury.

[0005] In order to achieve the above object, the present invention adopts the following technical solution: a multi-tube sampling type oil tank sampling device, comprising:

[0006] A support platform, one side of the support platform is provided with a flange connected to the oil extraction port of the oil tank, a multi-channel fixed disk is provided on the support platform at one end of the flange close to the oil extraction port of the oil tank, the multi-channel fixed disk is provided with a plurality of through holes penetrating the multi-channel fixed disk body in the upper and lower directions of the flange, each of the through holes is provided with a flexible oil pipe at one end close to the oil extraction port of the oil tank, the length of each flexible oil pipe is set according to the depth of the sampling position, and a counterweight is also provided at one end of the flexible oil pipe extending into the oil tank;

[0007] A single-channel rotating disc with a rotating seal is provided at one end of the multi-channel fixed disc away from the oil extraction port of the oil tank, an oil inlet hole is provided at one end of the single-channel rotating disc close to the multi-channel fixed disc, an oil outlet hole is provided at one end of the single-channel rotating disc away from the multi-channel fixed disc, and a channel is provided on the body of the single-channel rotating disc to connect the oil inlet hole and the oil outlet hole;

[0008] The oil inlet hole of the single-channel rotating disk can be connected to the through hole of any one of the multi-channel fixed disks;

[0009] A rotary connector is provided at one end of the oil outlet hole of the single-channel turntable, one end of the rotary connector is connected to the oil outlet hole, the other end of the rotary connector is connected to the first port of the two-way valve through a pipe fitting, the second port of the two-way valve is connected to the input end of the pneumatic diaphragm pump through a pipe fitting, the output end of the pneumatic diaphragm pump is connected to the first port of the three-way valve through a pipe fitting, and the second port of the three-way valve is connected to the oil nozzle.

[0010] A further preferred technical solution is that the multi-channel fixed disk is a circular disk, a plurality of through holes are distributed in an annular manner around an axis on the body of the multi-channel fixed disk, and a plurality of the flexible oil pipes are arranged in an annular manner on the multi-channel fixed disk.

[0011] A further preferred technical solution is that a protective cover tube is provided on the outer periphery of a plurality of the annularly arranged flexible oil pipes.

[0012] A further preferred technical solution is that a plurality of sampling containers are provided under the oil nozzle, and the plurality of sampling containers are arranged in a row on a carrier, a base is provided on the flange, a pair of guide rods is provided on the base, a pair of guide rods are provided on the guide rods, and a pair of sliders sliding along the axial direction of the guide rods are provided on the guide rods, the carrier is connected to the sliders, and a tray is provided on the carrier, the sampling containers are placed in the container seats of the tray in sequence, and a handle is provided on one side of the carrier.

[0013] A further preferred technical solution is that an oil return pipe is provided on the third port of the three-way valve, and the oil return pipe passes through the supporting platform body to the oil tank.

[0014] Compared with the existing technology, the beneficial effects of the present invention are: the device absorbs oil products through multiple flexible oil pipes corresponding to multiple different sampling positions, thereby achieving representative sampling of oil products; the device has a simple design and easy operation, which improves the sampling efficiency; at the same time, the device also has an anti-pollution function, ensuring the cleanliness and safety of the oil products during the sampling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an axonometric drawing of the present invention;

[0016] Figure 2 This is one of the axonometric views without a sealing cover of the present invention;

[0017] Figure 3 This is the second axonometric drawing of the present invention without a sealing cover;

[0018] Figure 4 This is an axonometric view of the multi-channel fixed disk of the present invention;

[0019] Figure 5This is an axonometric view of a single-channel turntable of the present invention;

[0020] Figure 6 This is a cross-sectional view of a single-channel turntable of the present invention;

[0021] In the figure: 1. Support platform; 2. Sealing cover; 3. Protective cover tube; 4. Handle; 5. Tray; 6. Base; 7. Slider; 8. Carrier; 9. Guide rod; 10. Sampling container; 11. Oil nozzle; 12. Air source two-way fitting; 13. Three-way valve; 14. Rotary connector; 15. Pneumatic diaphragm pump; 16. Single-channel turntable; 17. Multi-channel fixed plate; 18. Two-way valve; 19. Flange; 20. Flexible oil pipe; 21. Counterweight block; 22. Blocking and positioning block; 23. Through hole; 24. Oil outlet hole; 25. Oil inlet hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Example

[0024] Traditional oil tank sampling methods usually involve manual sampling or sampling using a single suction pipe. Both methods have many shortcomings. First, traditional manual sampling methods are time-consuming and labor-intensive, and the representativeness of the sampling is difficult to control. The sampling personnel have high labor intensity and are often restricted by adverse weather conditions such as rain, snow, and strong winds. In particular, flammable, explosive, toxic, and harmful media can seriously threaten the life safety of the sampling personnel. Secondly, residues are easily left in a single suction pipe, making it difficult to ensure uniformity and representativeness of the sampling. Furthermore, the sampling efficiency of a single suction pipe is low and cannot meet the needs of fast and efficient sampling. In order to solve the existing problems, the present application provides a multi-tube sampling type oil tank sampling device, such as Figure 2 and 3 As shown, it includes a support platform 1, one side of the support platform 1 is provided with a flange 19 connected to the oil tank outlet, one end of the flange 19 has a stopper that matches the oil tank outlet, and the other end of the flange 19 is provided with a multi-channel fixing plate 17 on the support platform 1. Figure 4As shown, the multi-channel fixed disk 17 is provided with a plurality of through holes 23 that penetrate the body of the multi-channel fixed disk 17 in the vertical direction of the flange 19. A flexible oil pipe 20 is provided at one end of each through hole 23 close to the oil extraction port of the oil tank. The length of each flexible oil pipe 20 is set according to the sampling position. In one embodiment, the multi-channel fixed disk 17 is a circular disk, and the plurality of through holes 23 are annularly distributed on the body of the multi-channel fixed disk 17 around the axis. One end of the flexible oil pipe 20 is fixed to the multi-channel fixed disk 17 by a shaft sleeve, and the other end of the flexible oil pipe 20 extends into the oil tank. The other end of the flexible oil pipe 20 is also provided with a counterweight 21.

[0025] like Figure 1 As shown, a plurality of annularly arranged flexible oil pipes 20 are provided with protective cover pipes 3 on their outer peripheries for protecting the flexible oil pipes 20;

[0026] like Figure 5 and 6 As shown, the end of the multi-channel fixed disk 17 away from the oil extraction port of the oil tank is provided with a single-channel turntable 16 with a rotational seal. The single-channel turntable 16 is a circular disk. The end of the single-channel turntable 16 close to the multi-channel fixed disk 17 is provided with an oil inlet hole 25. The end of the single-channel turntable 16 away from the multi-channel fixed disk 17 is provided with an oil outlet hole 24. Preferably, the oil outlet hole 24 is arranged along the central axis of the single-channel turntable 16. A channel is provided on the body of the single-channel turntable 16 to connect the oil inlet hole 25 and the oil outlet hole 24. A shift lever is provided on the outer periphery of the single-channel turntable 16, and the single-channel turntable 16 is rotated on the multi-channel fixed disk 17 by the swing of the shift lever.

[0027] The oil inlet hole 25 of the single-channel rotary disk 16 can be connected to any through hole 23 of the multi-channel fixed disk 17, so that the oil inlet hole 25 and the oil outlet hole 24 of the single-channel rotary disk 16 are connected to any flexible oil pipe 20;

[0028] A rotary connector 14 is provided at one end of the oil outlet hole 24 of the single-channel turntable 16, one end of the rotary connector 14 is communicated with the oil outlet hole 24, the other end of the rotary connector 14 is connected to a first port of a two-way valve 18 through a pipe fitting, the second port of the two-way valve 18 is connected to an input end of the pneumatic diaphragm pump 15 through a pipe fitting, the output end of the pneumatic diaphragm pump 15 is communicated with a first port of the three-way valve 13 through a pipe fitting, the second port of the three-way valve 13 is connected to the oil nozzle 11, the pneumatic diaphragm pump 15 is connected to an external air source through an air source two-piece 12, the pneumatic diaphragm pump 15 and the air source two-piece 12 are installed on the support platform 1; a sealing cover 2 is also provided on the support platform 1 to enclose the pneumatic diaphragm pump 15, the air source two-piece 12, the pipe fitting and other components in the sealing cover 2 for protection;

[0029] The three-way valve 13 is provided with a switch, which controls the communication between the first port and the second port or the third port;

[0030] The device absorbs oil products from multiple different sampling positions through multiple flexible oil pipes 20, thereby achieving representative sampling of oil products. The device has a simple design and is easy to operate, which improves sampling efficiency. At the same time, the device also has an anti-pollution function, ensuring the cleanliness and safety of the oil products during the sampling process.

[0031] A plurality of sampling containers 10 are provided below the oil nozzle 11, and the plurality of sampling containers 10 are arranged in a row on the carrier 8. A base 6 is provided on the support platform 1, and a pair of guide rods 9 are provided on the base 6. A pair of slide blocks 7 that slide axially along the guide rods 9 are provided on the guide rods 9. The carrier 8 is connected to the slide blocks 7. A tray 5 is provided on the carrier 8. The sampling containers 10 are placed in the container seats of the tray 5 in sequence. A handle 4 is provided on one side of the carrier 8, and the carrier 8 can be pushed to reciprocate along the guide rods 9 in a straight line by the handle 4, so that the plurality of sampling containers 10 are aligned with the oil nozzle 11 in sequence. A rib is provided on one side of the base 6, and positioning holes are provided at intervals along the axial direction of the guide rod 9 on the rib. A position hole is provided on the side of the carrier 8 corresponding to the rib, and any positioning hole is connected to the position hole by a detachable blocking positioning block 22;

[0032] An oil return pipe is provided on the third port of the three-way valve 13, and the oil return pipe passes through the support platform body 1 to the oil tank;

[0033] The oil suction pipeline is composed of a counterweight 21, a flexible oil pipe 20, a multi-channel fixed plate 17, a single-channel rotary plate 16, a rotary connector 14, a three-way valve 13, a pneumatic diaphragm pump 15, an oil nozzle 11 and other components; the function of the oil suction pipeline is to extract the oil at the sampling point into the sampling container 10;

[0034] The entire oil pipe loop is composed of a flexible oil pipe 20 inserted into the tank body, which comes out of the tank body and is connected to the input end of the pneumatic diaphragm pump 15 through a pipe fitting. After passing through the pneumatic diaphragm pump 15, the output end of the pneumatic diaphragm pump 15 is connected to the first port of the three-way valve 13 through a pipe fitting. The third port of the three-way valve 13 then returns to the oil tank through the return oil pipe; the first port of the three-way valve 13 is connected to the pneumatic diaphragm pump 15, the second port is connected to the sampling container 10, and the third port is connected to the return oil pipe; the connection between the first port and the second port or the third port of the three-way valve 13 is controlled by a switch, and the connection between the first port and the second port of the three-way valve 13 is controlled by a switch, so that the oil pipe loop is connected to the sampling container 10. When the switch is turned on, part of the oil can enter the sampling container 10. When it is closed, all the oil returns to the tank body through the return oil pipe;

[0035] The sampling container positioning slide is composed of a guide rod 9 and a slider 7, a carrier 8, a blocking positioning block 22, a handle 4 and a tray 5 for the sampling container 10. The sampling container 10 positioning slide is used to carry and position the sampling container 10 so that the sampling container 10 can be placed and switched manually quickly and accurately.

[0036] like Figure 2 and 3 As shown, the oil tank sampling device is installed on the oil tank sampling port flange. After installation, the air source is connected to the air inlet on the air source double-joint 12 of the sampling device, and the entire device can start sampling under manual operation; the specific operation process is as follows: manually place an appropriate number of empty sampling containers 10 on the tray 5, pull out the blocking positioning block 22, so that the tray 5 can slide along the guide rod 9, push the sampling container 10 to the initial position, align the bottle mouth of the sampling container 10 with the oil nozzle 11, insert the blocking positioning block 22 from the positioning hole into the position hole, so that the tray 5 is temporarily fixed; rotate the single-channel turntable 16 by the lever to connect the oil inlet hole 25 of the single-channel turntable 16 with the through hole 23 of the multi-channel fixing plate 17 at a sampling position, so that the single-channel The oil inlet 25 and the oil outlet 25 of the turntable 16 are connected to the flexible oil pipe 20, and the pneumatic diaphragm pump 15 is started. The first port and the third port of the three-way valve 13 are connected through the switch to discharge the oil previously sucked into the flexible oil pipe 20, and it is confirmed that the oil at the new sampling point has been sucked into the flexible oil pipe 20; the switch is opened to connect the first port and the second port of the three-way valve 13, and after a sufficient amount of oil is injected into the sampling container 10, the switch and the pneumatic diaphragm pump 15 are turned off; the blocking positioning block 22 is pulled out, and then the tray 5 is pushed to push the next sampling container 10 under the oil nozzle 11, and the single-channel turntable 16 is moved to the corresponding sampling point position, and the pneumatic diaphragm pump 15 is started to inject a sufficient amount of oil into the sampling container 10; and the above steps are repeated until all sampling is completed.

[0037] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A multi-tube sampling type oil tank sampling device, characterized in that: include: A support platform, one side of the support platform is provided with a flange connected to the oil extraction port of the oil tank, a multi-channel fixed disk is provided on the support platform at one end of the flange close to the oil extraction port of the oil tank, the multi-channel fixed disk is provided with a plurality of through holes penetrating the multi-channel fixed disk body in the upper and lower directions of the flange, each of the through holes is provided with a flexible oil pipe at one end close to the oil extraction port of the oil tank, the length of each flexible oil pipe is set according to the depth of the sampling position, and a counterweight is also provided at one end of the flexible oil pipe extending into the oil tank; A single-channel rotating disc with a rotating seal is provided at one end of the multi-channel fixed disc away from the oil extraction port of the oil tank, an oil inlet hole is provided at one end of the single-channel rotating disc close to the multi-channel fixed disc, an oil outlet hole is provided at one end of the single-channel rotating disc away from the multi-channel fixed disc, and a channel is provided on the body of the single-channel rotating disc to connect the oil inlet hole and the oil outlet hole; The oil inlet hole of the single-channel rotating disk can be connected to the through hole of any one of the multi-channel fixed disks; A rotary connector is provided at one end of the oil outlet hole of the single-channel turntable, one end of the rotary connector is connected to the oil outlet hole, the other end of the rotary connector is connected to the first port of the two-way valve through a pipe fitting, the second port of the two-way valve is connected to the input end of the pneumatic diaphragm pump through a pipe fitting, the output end of the pneumatic diaphragm pump is connected to the first port of the three-way valve through a pipe fitting, and the second port of the three-way valve is connected to the oil nozzle.

2. A multi-tube sampling type oil tank sampling device according to claim 1, characterized in that: The multi-channel fixed disk is a circular disk, a plurality of through holes are distributed in an annular manner around an axis on the body of the multi-channel fixed disk, and a plurality of flexible oil pipes are arranged in an annular manner on the multi-channel fixed disk.

3. The multi-tube sampling type oil tank sampling device according to claim 2, characterized in that: A protective cover tube is provided on the outer periphery of the plurality of annularly arranged flexible oil pipes.

4. The multi-tube sampling type oil tank sampling device according to claim 1, characterized in that: A plurality of sampling containers are provided below the oil nozzle, and the sampling containers are arranged in a row on the carrier. A base is provided on the flange, and a pair of guide rods are provided on the base. A pair of guide rods are provided on the pair of sliders that slide along the axial direction of the guide rods. The carrier is connected to the sliders, and a tray is provided on the carrier. The sampling containers are placed in the container seats of the tray in sequence, and a handle is provided on one side of the carrier.

5. The multi-tube sampling type oil tank sampling device according to claim 1, characterized in that: An oil return pipe is provided on the third port of the three-way valve, and the oil return pipe passes through the supporting platform body to the oil tank.

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