CN221148146U

CN221148146U - Atmospheric and vacuum airtight sampling device for oil refining

Info

Publication number: CN221148146U
Application number: CN202323018603.8U
Authority: CN
Inventors: 於冰; 何凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-06-14
Anticipated expiration: 2033-11-09

Abstract

The utility model relates to the technical field of crude oil refining and provides an atmospheric and vacuum airtight sampling device for oil refining, which comprises a connecting pipe, wherein two ends of the connecting pipe are fixedly connected with mounting plates, one side of the connecting pipe is fixedly connected with a shunt pipe, one side of the shunt pipe opposite to the connecting pipe is fixedly connected with an airtight sampling pipe, one end of the airtight sampling pipe is provided with a sampling assembly, one side of the airtight sampling pipe is provided with a guiding-out assembly, the sampling assembly comprises a sampling cylinder and a threaded column, and the pressure in a pipeline is conveniently relieved when sampling is performed through the pressure relief pipe and the pressure relief valve which are arranged, so that the sample is conveniently taken out, the situation that the sample cannot be taken out due to pressure difference or fluid in the pipeline is sprayed out when the pipeline is directly sampled due to unstable pressure in the pipeline is avoided, meanwhile, the situation that the sample cannot be polluted can be ensured when the pressure is relieved, and the practicability and the reliability of the device are improved.

Description

Atmospheric and vacuum airtight sampling device for oil refining

Technical Field

The utility model relates to the technical field of crude oil refining, in particular to an atmospheric and vacuum airtight sampling device for oil refining.

Background

Atmospheric and vacuum tight sampling devices are devices used in the oil refining industry to collect samples of crude oil or in oil refining processes. These samples typically need to be collected at a certain pressure and temperature to ensure accuracy and representativeness of the sampling. Atmospheric and vacuum tight sampling devices are important tools used in the oil refining industry to ensure the quality of crude oil and oil refining products during production. These devices facilitate the collection of accurate samples for various analysis and quality control operations. They also help ensure operator safety, as they allow samples to be collected under controlled conditions without exposure to high pressure and temperature

Through retrieval, the prior patent (bulletin number: CN 215492589U) discloses an atmospheric and vacuum airtight sampling device for oil refining, which comprises a direct current pipe, wherein connecting rings are respectively fixed at two ends of the direct current pipe, at least eight threaded holes are respectively formed in the two connecting rings at equal intervals, a branch pipe is fixed on the rear side surface of the direct current pipe, a sealing block is fixed on the front side surface of the direct current pipe, and an electric telescopic rod is arranged in the sealing block. According to the utility model, an extra sample channel is opened through the branch pipe, the pipeline is not blocked in the sampling process, the use is convenient, the equipment is stable to operate, the sliding piece drives the sampling groove to move in the sliding groove to cut off the communication with the sample in the direct flow pipe, the sampling difficulty caused by the fact that the pressure of the sample in the direct flow pipe is larger than or smaller than the atmospheric pressure is prevented, the sample is automatically sampled through the electric telescopic rod, the scald caused by the fact that the temperature of the sample is too high is prevented, the liquid outlet pipe is conveniently fixed through the heat insulation pipe, meanwhile, the scald caused by the fact that a human hand is in direct contact with the liquid outlet pipe is prevented, the safety is high, the superfluous sample at the outlet of the liquid outlet pipe is absorbed through the ball sleeve head, and the contamination is prevented.

However, in the above scheme, the chute is always communicated with the outside through the funnel, so that the taken sample is easily polluted in the process of sampling and pressure relief, and the accuracy and representativeness of sampling are affected.

In view of the above, the utility model provides an atmospheric and vacuum airtight sampling device for oil refining.

Disclosure of utility model

The utility model provides an atmospheric and vacuum airtight sampling device for oil refining, which solves the problem that the taken sample is easy to be polluted in the process of sampling and releasing pressure in the related technology.

The technical scheme of the utility model is as follows: the atmospheric and vacuum airtight sampling device for oil refining comprises a connecting pipe, and is characterized in that two ends of the connecting pipe are fixedly connected with mounting plates, one side of the connecting pipe is fixedly connected with a shunt pipe, one side of the shunt pipe opposite to the connecting pipe is fixedly connected with an airtight sampling pipe, one end of the airtight sampling pipe is provided with a sampling assembly, and one side of the airtight sampling pipe is provided with a guiding-out assembly;

The sampling assembly comprises a sampling tube and a threaded column, the sampling tube is slidably connected in the airtight sampling tube, the sampling tube is tightly attached to the airtight sampling tube, and the threaded column is rotationally connected to one end, away from the connecting tube, of the airtight sampling tube.

Preferably, a collecting port is formed in the position, close to the upper portion, of the sampling cylinder, and a discharge port is formed in the middle of the bottom end of the sampling cylinder.

Preferably, a limit bar is fixedly connected to one side of the sampling tube, and the limit bar is in adaptive arrangement with a limit groove arranged on one side inside the connecting tube.

Preferably, one end of the threaded column is rotationally connected with one end of the sampling cylinder, and one end of the threaded column, which is far away from the sampling cylinder, is fixedly connected with a rotating wheel.

Preferably, the guiding-out assembly comprises a guiding-out pipe, one end of the guiding-out pipe is fixedly connected to the bottom end of the airtight sampling pipe, and the other end of the guiding-out pipe is in threaded connection with a sealing cover.

Preferably, the position of the delivery pipe close to the sealing cover is fixedly connected with a limiting disc.

Preferably, the guiding-out assembly further comprises a fixing clamp, and the fixing clamp is fixedly connected to a limiting groove arranged on the outer surface of the closed sampling tube.

Preferably, the mounting plate is provided with fixing holes which are distributed in an annular equidistant manner.

Preferably, the top end of the outer surface of the closed sampling tube is fixedly connected with a pressure relief tube, the outer surface of the pressure relief tube is provided with a pressure relief valve, and the pressure relief tube and the central axis of the delivery tube are not on the same vertical straight line.

Preferably, one end of the closed sampling tube far away from the connecting tube is fixedly connected with a sealing thread sleeve, and the sealing thread sleeve is in threaded connection with the threaded column.

The working principle and the beneficial effects of the utility model are as follows:

1. The pressure relief pipe and the pressure relief valve are arranged, so that the pressure in the pipeline can be conveniently relieved when the sampling is performed, the sample can be conveniently taken out, the situation that the sample cannot be taken out due to pressure difference or fluid in the pipeline is sprayed out when the pipeline is directly sampled due to unstable pressure in the pipeline is avoided, meanwhile, the situation that the sample cannot be polluted when the pressure is relieved can be ensured, and the practicability and reliability of the device are improved;

2. According to the utility model, through the arranged sampling assembly, the rotating wheel drives the threaded column to rotate, so that the sampling tube is driven to move in the sealed sampling tube until the sampling tube stretches into the connecting tube, and after a sample in the connecting tube enters the sampling tube through the arranged collecting port, the threaded column is rotated again, so that the sampling tube reenters the sealed sampling tube, the sampling of the sample in the connecting tube is completed, and the operation is simple and convenient, and the popularization and the use are convenient.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

FIG. 3 is a schematic view of a sampling assembly according to the present utility model;

FIG. 4 is a schematic view of a partial structure of a sampling assembly according to the present utility model.

In the figure: 1. a connecting pipe; 2. a mounting plate; 3. a fixing hole; 4. a shunt; 5. sealing the sampling tube; 6. a pressure relief tube; 7. a pressure relief valve; 8. sealing the threaded sleeve; 9. a sampling assembly; 901. a sampling cylinder; 902. a collection port; 903. a limit bar; 904. a discharge port; 905. a threaded column; 906. a rotating wheel; 10. a export component; 1001. a delivery tube; 1002. a limiting disc; 1003. sealing cover; 1004. a fixing clamp; 11. and a limit groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiments of the atmospheric and vacuum airtight sampling device for oil refining provided by the utility model are shown in fig. 1 to 4: the atmospheric and vacuum airtight sampling device for oil refining comprises a connecting pipe 1, and is characterized in that two ends of the connecting pipe 1 are fixedly connected with a mounting plate 2, one side of the connecting pipe 1 is fixedly connected with a shunt pipe 4, one side of the shunt pipe 4 opposite to the connecting pipe 1 is fixedly connected with an airtight sampling pipe 5, one end of the airtight sampling pipe 5 is provided with a sampling assembly 9, and one side of the airtight sampling pipe 5 is provided with a guiding-out assembly 10;

The sampling assembly 9 comprises a sampling tube 901 and a threaded column 905, wherein the sampling tube 901 is slidably connected in the airtight sampling tube 5, the sampling tube 901 is tightly attached to the airtight sampling tube 5, and the threaded column 905 is rotatably connected to one end of the airtight sampling tube 5, which is far away from the connecting tube 1.

In this embodiment, a collection port 902 is formed in the position of the sampling tube 901 near the upper part, a discharge port 904 is formed in the middle of the bottom end of the sampling tube 901, the sampling tube 901 moves in the sealed sampling tube 5 until the sample extends into the connecting tube 1, and the sample in the connecting tube 1 enters the sampling tube 901 through the collection port 902.

In this embodiment, a limit bar 903 is fixedly connected to one side of the sampling tube 901, and a limit groove 11 formed in one side of the inside of the limit bar 903 and the connecting tube 1 is set in a matching manner, so that the movement track of the sampling tube 901 is limited, and the rotation of the sampling tube 901 is avoided when the threaded column 905 rotates.

In this embodiment, one end of the threaded column 905 is rotatably connected to one end of the sampling tube 901, and one end of the threaded column 905 remote from the sampling tube 901 is fixedly connected to a rotating wheel 906.

Example 2

On the basis of embodiment 1, the preferred embodiment of the atmospheric and vacuum airtight sampling device for oil refining provided by the utility model is shown in fig. 1 to 4: the guiding-out assembly 10 comprises a guiding-out pipe 1001, one end of the guiding-out pipe 1001 is fixedly connected to the bottom end of the airtight sampling pipe 5, and the other end of the guiding-out pipe 1001 is in threaded connection with a sealing cover 1003.

In this embodiment, a limiting plate 1002 is fixedly connected to the position of the delivery tube 1001 close to the sealing cover 1003, so that the delivery tube 1001 is conveniently placed on the fixing clip 1004.

In this embodiment, the guiding-out assembly 10 further includes a fixing clip 1004, where the fixing clip 1004 is fixedly connected to a limiting groove 11 provided on the outer surface of the closed sampling tube 5.

In addition, be provided with fixed orifices 3 on the mounting plate 2, fixed orifices 3 are annular equidistance setting of distributing, be convenient for through fixed orifices 3 and the bolt that set up on the mounting plate 2 with the both ends of connecting pipe 1 respectively sealing connection to sample business turn over pipeline.

In addition, a pressure relief pipe 6 is fixedly connected to the top end of the outer surface of the closed sampling pipe 5, a pressure relief valve 7 is arranged on the outer surface of the pressure relief pipe 6, and the central axis of the pressure relief pipe 6 and the central axis of the delivery pipe 1001 are not on the same vertical line.

In addition, a sealing thread sleeve 8 is fixedly connected to one end, far away from the connecting pipe 1, of the closed sampling pipe 5, and the sealing thread sleeve 8 is in threaded connection with a thread column 905.

The working principle and the using flow of the utility model are as follows: firstly, two ends of a connecting pipe 1 are respectively and hermetically connected to a sample inlet and outlet pipeline through a fixing hole 3 and a bolt arranged on a mounting plate 2, samples can flow through the inside of the connecting pipe 1 when normal and reduced pressure equipment runs, two ends of a shunt pipe 4 are communicated with the connecting pipe 1, and a part of samples flow through the shunt pipe 4, when the samples need to be collected, a rotating wheel 906 which is arranged in a rotating way drives a threaded column 905 to rotate, so that a sampling cylinder 901 is driven to move in the inside of a sealed sampling pipe 5 until the samples extend into the inside of the connecting pipe 1, the samples in the connecting pipe 1 enter the inside of the sampling cylinder 901 through a collecting hole 902 which is arranged, the connecting pipe 1 can be blocked when the sampling cylinder 901 extends into the sealed sampling pipe 5, the samples in the connecting pipe 1 can continue to flow smoothly through the shunt pipe 4, and after the samples enter the sampling cylinder 901, the threaded column 905 is rotated again, so that the samples 901 re-enter the sealed sampling pipe 5;

When the sampling tube 901 completely enters the airtight sampling tube 5, the collection port 902 and the discharge port 904 of the sampling tube 901 are sealed and isolated from the sample in the connecting tube 1, when the sampling tube 901 moves to the position right above the pressure relief tube 6, the pressure in the sampling tube 901 is relieved by opening the pressure relief valve 7, when one end of the sampling tube 901 moves to be in contact with one end of the airtight sampling tube 5 where the sealing thread sleeve 8 is positioned, the discharge port 904 is just aligned with the delivery tube 1001, then the delivery tube 1001 is taken out from the fixing clamp 1004, the sealing cover 1003 is unscrewed, the mouth of the delivery tube 1001 is aligned with the containing container, and thus the collected sample is guided into the container, and the collection work of the sample is completed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The atmospheric and vacuum airtight sampling device for oil refining comprises a connecting pipe (1), and is characterized in that two ends of the connecting pipe (1) are fixedly connected with mounting plates (2), one side of the connecting pipe (1) is fixedly connected with a shunt pipe (4), one side of the shunt pipe (4), opposite to the connecting pipe (1), is fixedly connected with an airtight sampling pipe (5), one end of the airtight sampling pipe (5) is provided with a sampling assembly (9), and one side of the airtight sampling pipe (5) is provided with a guiding-out assembly (10);

The sampling assembly (9) comprises a sampling tube (901) and a threaded column (905), the sampling tube (901) is slidably connected in the airtight sampling tube (5), the sampling tube (901) is tightly attached to the airtight sampling tube (5), and the threaded column (905) is rotatably connected to one end, away from the connecting tube (1), of the airtight sampling tube (5).

2. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein a collecting port (902) is formed in the position, close to the upper portion, of the sampling cylinder (901), and a discharge port (904) is formed in the middle of the bottom end of the sampling cylinder (901).

3. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein a limit bar (903) is fixedly connected to one side of the sampling tube (901), and the limit bar (903) is arranged in a manner of being matched with a limit groove (11) arranged on one side inside the connecting tube (1).

4. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein one end of the threaded column (905) is rotatably connected with one end of the sampling tube (901), and one end of the threaded column (905) far away from the sampling tube (901) is fixedly connected with a rotating wheel (906).

5. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein the guiding-out component (10) comprises a guiding-out pipe (1001), one end of the guiding-out pipe (1001) is fixedly connected to the bottom end of the airtight sampling pipe (5), and the other end of the guiding-out pipe (1001) is in threaded connection with a sealing cover (1003).

6. The atmospheric and vacuum airtight sampling device for oil refining according to claim 5, wherein the position of the lead-out pipe (1001) close to the sealing cover (1003) is fixedly connected with a limiting disc (1002).

7. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein the guiding-out assembly (10) further comprises a fixing clamp (1004), and the fixing clamp (1004) is fixedly connected to a limit groove (11) arranged on the outer surface of the airtight sampling tube (5).

8. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein the mounting plate (2) is provided with fixing holes (3), and the fixing holes (3) are distributed in an annular equidistant manner.

9. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein a pressure relief pipe (6) is fixedly connected to the top end of the outer surface of the airtight sampling pipe (5), a pressure relief valve (7) is arranged on the outer surface of the pressure relief pipe (6), and the central axes of the pressure relief pipe (6) and the delivery pipe (1001) are not on the same vertical straight line.

10. The atmospheric and vacuum airtight sampling device for oil refining according to claim 1, wherein one end of the airtight sampling tube (5) far away from the connecting tube (1) is fixedly connected with a sealing thread sleeve (8), and the sealing thread sleeve (8) is in threaded connection with a thread column (905).