Online real-time detection monitor for octane number of gasoline

Abstract

The utility model discloses an online real-time gasoline octane number detection monitor, which relates to the technical field of gasoline detection and comprises a crude oil process pipeline, a U-shaped detection pipe and a mounting plate. The device comprises a U-shaped detection pipe, the U-shaped detection pipe is fixedly installed at the bottom of a crude oil process pipeline, the two ends of the U-shaped detection pipe are both communicated with the crude oil process pipeline, a first valve body and a second valve body are installed in one end of the U-shaped detection pipe from top to bottom, and a reflux pump and a partition plate located above the reflux pump are installed in the other end of the U-shaped detection pipe. The PLC controls the servo motor to open or close the first valve body and the second valve body through the screw rod, the inner threaded pipe, the rack and the gear, an oil product is sampled, the octane number of the oil product is detected by the measuring probe, a detection result is transmitted to the measuring instrument and then passes through the measuring instrument, and the detection result is transmitted to a user side through a wireless data transmission function of the PLC. On-line detection and monitoring on the quality of crude oil are realized, and the quality of the oil product during delivery is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to gasoline detection technical field especially relates to gasoline octane number on -line real -time detection monitor. BACKGROUND

[0002] Octane number is one of important standards of measuring oil product main component and quality good or bad. High octane number gasoline has better anti -knock, can ensure that gasoline is stable combustion in engine cylinder, avoids the occurrence of knock phenomenon, octane number is higher, and the anti -knock performance is better when engine works under high pressure, and further makes the combustion more complete, improves fuel efficiency, and high octane number also means that combustion is more thorough, produces less residual material in combustion chamber, helps reduce exhaust emission.

[0003] Detect after oil product is delivered from the upstream process pipeline to the downstream, because the on -line detection monitoring of crude oil quality is lacked on the crude oil process pipeline, thus leading to uncontrollable oil product quality when oil product is delivered. UTILITY MODEL CONTENT

[0004] The utility model discloses an online real-time detection monitor for gasoline octane number to solve the problems in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The online real-time detection monitor for gasoline octane number includes crude oil process pipeline, U type detection pipe and mounting plate.

[0007] The U type detection pipe is fixedly installed at the bottom of the crude oil process pipeline, both ends of the U type detection pipe are communicated with the crude oil process pipeline, the inside of one end of the U type detection pipe is respectively provided with a first valve body and a second valve body from top to bottom, the inside of the other end of the U type detection pipe is provided with a reflux pump and a baffle above the reflux pump, the mounting plate is fixedly connected on the outer wall of the U type detection pipe, the front side of the mounting plate is provided with a measuring instrument and a PLC controller, the back of the mounting plate is provided with a control assembly, a measuring probe is fixedly installed in the U type detection pipe, the measuring probe is electrically connected with the measuring instrument through wires, the measuring instrument and the reflux pump are electrically connected with the PLC controller through wires, and the PLC controller controls the opening and closing of the first valve body and the second valve body through the control assembly.

[0008] Preferably, the first valve body includes a first valve seat fixedly installed on the inner wall of the U type detection pipe, a first spherical valve core capable of blocking the first valve seat is arranged in the first valve seat, a first valve rod is fixedly connected to the outer wall of the first spherical valve core, and one end of the first valve rod away from the first spherical valve core 32 penetrates to the outside of the U type detection pipe.

[0009] Preferably, the second valve body comprises a second valve seat fixedly installed on the inner wall of the U-shaped detection pipe, a second spherical valve core capable of blocking the second valve seat is arranged in the second valve seat, a second valve rod is fixedly connected to the outer wall of the second spherical valve core, the second end of the second valve rod away from the second spherical valve core 42 penetrates to the outside of the U-shaped detection pipe, and the opening direction of the second spherical valve core is opposite to that of the first spherical valve core 32.

[0010] Preferably, the control assembly comprises a servo motor arranged on the back of the mounting plate and electrically connected with the PLC controller, a screw rod is connected to the output shaft of the servo motor, an internally threaded pipe is threadedly connected to the outer wall of the screw rod, gears are fixedly sleeved to the outer walls of the first valve rod and the second valve rod, and a rack is fixedly connected to the outer wall of the internally threaded pipe and engaged with the two gears respectively.

[0011] Preferably, the back of the mounting plate is fixedly connected with a strip-shaped rod, the servo motor is fixedly installed on the side of the strip-shaped rod away from the mounting plate, a sliding groove is formed in one side of the strip-shaped rod, a sliding plate is fixedly connected to the outer wall of the internally threaded pipe, and the end of the sliding plate away from the internally threaded pipe extends into the sliding groove and is in sliding fit with the sliding groove.

[0012] Preferably, the sliding distance of the sliding plate in the sliding groove is one fourth of the circumference of the gear, and the length of the screw rod is equal to twice the sliding distance of the sliding plate in the sliding groove.

[0013] Preferably, the input end and the output end of the return pump are respectively provided with a suction pipe and a return pipe, and the end of the return pipe away from the return pump penetrates through the partition plate and extends into the crude oil process pipeline.

[0014] Preferably, a notch is formed in the inner wall of the U-shaped detection pipe, and the suction pipe is located in the notch.

[0015] Compared with the prior art, the utility model has the advantages and positive effects that:

[0016] In the utility model, the servo motor is controlled by the PLC controller to drive the screw rod, the internally threaded pipe, the rack and the gear to open or close the first valve body and the second valve body, so that the oil product is sampled, the detection probe detects the octane value of the oil product and transmits the detection result to the measuring instrument, the PLC controller transmits the detection data of the measuring instrument to the user end through the wireless data transmission function, the online detection and monitoring of the quality of the crude oil product are realized, and the quality of the oil product when delivered is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic view of a gasoline octane value online real-time detection and monitoring instrument is provided in the utility model.

[0018] Figure 2The utility model provides a back three-dimensional structure schematic diagram of gasoline octane number on -line real -time detection monitor.

[0019] Figure 3 The utility model provides a gasoline octane number on -line real -time detection monitor's Figure 2 The utility model provides a back three-dimensional structure schematic diagram of gasoline octane number on -line real -time detection monitor.

[0020] Figure 4 The utility model provides a back three-dimensional structure schematic diagram of gasoline octane number on -line real -time detection monitor.

[0021] Figure 5 The utility model provides a back three-dimensional structure schematic diagram of gasoline octane number on -line real -time detection monitor.

[0022] Legend: 1, crude oil process pipeline, 2, U-shaped detection tube, 3, valve body, 31, valve seat, 32, spherical valve core, 33, valve rod, 4, valve body, 41, valve seat, 42, spherical valve core, 43, valve rod, 5, backflow pump, 6, partition, 7, mounting plate, 8, measuring instrument, 9, PLC controller, 10, measuring probe, 11, servo motor, 12, screw, 13, internal thread pipe, 14, gear, 15, rack, 16, bar, 17, sliding groove, 18, sliding plate, 19, suction pipe, 20, backflow pipe, 21, slot. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be explained that, in the case of no conflict, the embodiment of the application and the features in the embodiment can be combined with each other.

[0024] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0025] As Figures 1-4 The utility model provides a gasoline octane number on -line real -time detection monitor, including crude oil process pipeline 1, U-shaped detection tube 2 and mounting plate 7.

[0026] The U-shaped detection tube 2 is fixedly installed at the bottom of the crude oil process pipeline 1, both ends of the U-shaped detection tube 2 are communicated with the crude oil process pipeline 1, the inside of one end of the U-shaped detection tube 2 is respectively provided with a first valve body 3 and a second valve body 4 from top to bottom, the inside of the other end of the U-shaped detection tube 2 is provided with a reflux pump 5 and a partition plate 6 located above the reflux pump 5, a mounting plate 7 is fixedly connected to the outer wall of the U-shaped detection tube 2, a measuring instrument 8 and a PLC controller 9 are mounted on the front side of the mounting plate 7, a control assembly is mounted on the back of the mounting plate 7, a measuring probe 10 is fixedly installed in the U-shaped detection tube 2, the measuring probe 10 is electrically connected with the measuring instrument 8 through wires, the measuring instrument 8 and the reflux pump 5 are respectively electrically connected with the PLC controller 9 through wires, the PLC controller 9 controls the opening and closing of the first valve body 3 and the second valve body 4 through the control assembly.

[0027] In the embodiment, the first valve body 3 comprises a first valve seat 31 fixedly installed on the inner wall of the U-shaped detection tube 2, the first valve seat 31 is provided with a first spherical valve core 32 capable of blocking the first valve seat 31, the outer wall of the first spherical valve core 32 is fixedly connected with a first valve rod 33, one end of the first valve rod 33 away from the first spherical valve core 32 penetrates to the outside of the U-shaped detection tube 2.

[0028] In the embodiment, the second valve body 4 comprises a second valve seat 41 fixedly installed on the inner wall of the U-shaped detection tube 2, the second valve seat 41 is provided with a second spherical valve core 42 capable of blocking the second valve seat 41, the outer wall of the second spherical valve core 42 is fixedly connected with a second valve rod 43, both ends of the second valve rod 43 away from the second spherical valve core 42 penetrate to the outside of the U-shaped detection tube 2, the opening direction of the second spherical valve core 42 is opposite to the opening direction of the first spherical valve core 32.

[0029] In the embodiment, the control assembly comprises a servo motor 11 arranged on the back of the mounting plate 7 and electrically connected with the PLC controller 9, the output shaft of the servo motor 11 is connected with a screw rod 12, the outer wall of the screw rod 12 is threadedly connected with an internally threaded pipe 13, the outer wall of the first valve rod 33 and the second valve rod 43 are both fixedly sleeved with a gear 14, the outer wall of the internally threaded pipe 13 is fixedly connected with a rack 15 meshed with the two gears 14 respectively.

[0030] In the embodiment, the back of the mounting plate 7 is fixedly connected with a strip-shaped rod 16, the servo motor 11 is fixedly installed on the side of the strip-shaped rod 16 away from the mounting plate 7, a sliding groove 17 is formed on one side of the strip-shaped rod 16, the outer wall of the internally threaded pipe 13 is fixedly connected with a sliding plate 18, one end of the sliding plate 18 away from the internally threaded pipe 13 extends into the sliding groove 17 and is in sliding cooperation with the sliding groove 17; the internally threaded pipe 13 moves linearly under the cooperation of the sliding plate 18 and the sliding groove 17, the strip-shaped rod 16 provides a mounting position for the servo motor 11.

[0031] In the embodiment, the sliding distance of the sliding plate 18 in the chute 17 is one fourth of the circumference of the gear 14, the length of the screw rod 12 is equal to twice the sliding distance of the sliding plate 18 in the chute 17; the moving distance of the inner threaded pipe 13 is equal to the sliding distance of the sliding plate 18 in the chute 17 and is one fourth of the circumference of the gear 14, that is, the movement of the inner threaded pipe 13 drives the rack 15 to rotate the gear 14 by 90 degrees, and the inner threaded pipe 13 and the screw rod 12 will not be separated.

[0032] In the embodiment, the input end and the output end of the reflux pump 5 are respectively provided with the suction pipe 19 and the reflux pipe 20, and the end of the reflux pipe 20 away from the reflux pump 5 penetrates through the partition plate 6 and extends into the crude oil process pipeline 1.

[0033] In the embodiment, the U-shaped detection pipe 2 is provided with the notch 21 on the inner wall, and the suction pipe 19 is located in the notch 21; the notch 21 can facilitate the oil after detection to enter the suction pipe 19.

[0034] The use method and working principle of the device are as follows:

[0035] When the device is used, the oil passes through the crude oil process pipeline 1 to be delivered to the downstream, the PLC controller 9 drives the servo motor 11 to work and drive the screw rod 12 to rotate, the screw rod 12 drives the inner threaded pipe 13 to move linearly under the cooperation of the sliding plate 18 and the chute 17, the inner threaded pipe 13 drives the two racks 15 to cooperate with the two gears 14 when moving, the two gears 14 can respectively drive the first valve rod 33 and the second valve rod 43 to rotate, the first valve rod 33 drives the first spherical valve core 32 to rotate to open the first valve seat 31, the second valve rod 43 drives the second spherical valve core 42 to rotate to close the second valve seat 41, the oil enters between the first valve body 3 and the second valve body 4, and then the PLC controller 9 reverses the servo motor 11 to reset the rack 15, so that the first valve body 3 is closed and the second valve body 4 is opened, and the oil passing through the crude oil process pipeline 1 no longer enters the U-shaped detection pipe 2;

[0036] The oil between the first valve body 3 and the second valve body 4 passes through the second valve body and enters the U-shaped detection pipe 2 to contact the measurement probe 10, the measurement probe 10 detects the octane value of the oil and transmits the detection result to the measuring instrument 8, and the PLC controller 9 transmits the detection data of the measuring instrument 8 to the user end through the wireless data transmission function;

[0037] After the current detection and monitoring are completed, the reflux pump 5 is started and the oil is pumped out through the suction pipe 19, and the pumped oil is sent back to the crude oil process pipeline 1 through the reflux pipe 20;

[0038] In summary, the oil product is detected from the upstream crude oil process pipeline 1 to the downstream process, and the detection data is transmitted in time, the online detection monitoring of the crude oil quality is realized, the quality of the oil product at the time of delivery is ensured, and the above process is single detection, the timing control can be realized through the PLC controller 9, the intermittent repeated detection is realized, the detection data error is ensured to be small through multiple detection, the discovery probability of the poor oil product is improved, and the data change can be monitored.

[0039] The PLC controller 9 is programmed before use, the PLC controller 9 has the function of wireless transmission of data, and timing control is realized through the built-in timer instruction; the measuring probe 10 and the measuring instrument 8 adopt the ST-1557 octane number and cetane number measuring equipment produced by Beijing Xuxin Instrument Equipment Co., Ltd., and the above are prior art and will not be described in detail.

[0040] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical scheme of the present application still belongs to the protection scope of the present application.

Claims

1. Gasoline octane on-line real-time detection monitor, characterized in that, include: Crude oil process pipeline (1); U-shaped detection tube (2), the U-shaped detection tube (2) is fixedly installed at the bottom of crude oil process pipeline (1), both ends of the U-shaped detection tube (2) are connected to crude oil process pipeline (1), and valve body No. 1 (3) and valve body No. 2 (4) are installed inside one end of the U-shaped detection tube (2) from top to bottom respectively. A reflux pump (5) and a baffle plate (6) located above the reflux pump (5) are installed inside the other end of the U-shaped detection tube (2). Mounting plate (7) is fixedly connected to the outer wall of U-shaped detection tube (2). A measuring instrument (8) and a PLC controller (9) are mounted on the front side of the mounting plate (7). A control component is mounted on the back side of the mounting plate (7). A measuring probe (10) is fixedly installed inside the U-shaped detection tube (2). The measuring probe (10) is electrically connected to the measuring instrument (8) through a wire. The measuring instrument (8) and the reflux pump (5) are electrically connected to the PLC controller (9) through wires. The PLC controller (9) controls the opening and closing of valve body 1 (3) and valve body 2 (4) through the control component.

2. The gasoline octane on-line real-time detection monitor according to claim 1, characterized in that: The first valve body (3) includes a first valve seat (31) fixedly installed on the inner wall of the U-shaped detection tube (2). The first valve seat (31) is provided with a first ball valve core (32) that can block the first valve seat (31). A first valve stem (33) is fixedly connected to the outer wall of the first ball valve core (32). The end of the first valve stem (33) away from the first ball valve core (32) extends to the outside of the U-shaped detection tube (2).

3. The gasoline octane on-line real-time detection monitor according to claim 2, characterized in that: The second valve body (4) includes a second valve seat (41) fixedly installed on the inner wall of the U-shaped detection tube (2). The second valve seat (41) is provided with a second ball valve core (42) that can block the second valve seat (41). A second valve stem (43) is fixedly connected to the outer wall of the second ball valve core (42). The two ends of the second valve stem (43) away from the second ball valve core (42) extend to the outside of the U-shaped detection tube (2). The opening direction of the second ball valve core (42) is opposite to the opening direction of the first ball valve core (32).

4. The gasoline octane on-line real-time detection monitor according to claim 3, characterized in that: The control component includes a servo motor (11) disposed on the back of the mounting plate (7) and electrically connected to the PLC controller (9). A screw (12) is connected to the output shaft of the servo motor (11). An internally threaded tube (13) is threaded onto the outer wall of the screw (12). Gears (14) are fixedly sleeved on the outer walls of the first valve stem (33) and the second valve stem (43). A rack (15) that meshes with the two gears (14) is fixedly connected to the outer wall of the internally threaded tube (13).

5. The gasoline octane on-line real-time detection monitor according to claim 4, characterized in that: The back of the mounting plate (7) is fixedly connected with a strip-shaped rod (16), the servo motor (11) is fixedly installed on the side of the strip-shaped rod (16) away from the mounting plate (7), one side of the strip-shaped rod (16) is provided with a sliding groove (17), the outer wall of the inner threaded pipe (13) is fixedly connected with a sliding plate (18), and one end of the sliding plate (18) away from the inner threaded pipe (13) extends into the sliding groove (17) and is in sliding fit with the sliding groove (17).

6. The gasoline octane on-line real-time detection monitor according to claim 5, characterized in that: The sliding distance of the sliding plate (18) in the sliding groove (17) is one fourth of the circumference of the gear (14), and the length of the screw rod (12) is equal to twice the sliding distance of the sliding plate (18) in the sliding groove (17).

7. The gasoline octane on-line real-time detection monitor according to claim 1, characterized in that: The input end and the output end of the backflow pump (5) are respectively provided with a suction pipe (19) and a backflow pipe (20), one end of the backflow pipe (20) away from the backflow pump (5) penetrates through the partition plate (6) and extends into the crude oil process pipeline (1).

8. The gasoline octane on-line real-time detection monitor according to claim 7, characterized in that: The inner wall of the U-shaped detection pipe (2) is provided with a notch (21), and the suction pipe (19) is located in the notch (21).

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