A powder sampling device suitable for coke breeze samples

Abstract

The utility model discloses a kind of powder sampling device suitable for coke powder sample, belong to powder sampling technical field, including flange pipe body, sampling main body, sampler and power drive mechanism, the side wall of flange pipe body is provided with mounting branch pipe;Sampling main body includes pipe body and the connecting ring body being set at both ends of pipe body, pipe body one end is fixedly connected with mounting branch pipe, and pipe body lower side is provided with discharge end pipe;Sampler is placed in sampling main body;Power drive mechanism is correspondingly connected in the distal end of pipe body, and transmission is connected with sampler, drives sampler to retract or contract flange pipe body to complete sampling action.The powder sampling device of the utility model can realize automatic powder sampling in coke powder conveying pipeline, withdraws coke powder conveying pipeline when not sampling, will not cause coke powder conveying pipeline to cause blockage, and sampling is convenient and efficient.

Description

Technical Field

[0001] This utility model belongs to the field of powder sampling technology, and in particular relates to a powder sampling device suitable for coke powder samples. Background Technology

[0002] Petroleum coke is a byproduct of crude oil refining. After crude oil undergoes atmospheric and vacuum distillation to separate light fractions such as gasoline, diesel, and kerosene, the remaining heavy residue (such as vacuum residue) is the main raw material for producing petroleum coke. The heavy residue feedstock is first heated to 480-515℃ and then transported to a coking tower for coking. Under the high temperature and low pressure environment inside the tower, the heavy feedstock undergoes deep thermal cracking and condensation reactions. The light gases and oil vapors produced by cracking escape from the top of the tower and enter the fractionation tower. The heavy components remaining after cracking continuously condense and solidify inside the tower, gradually accumulating to form porous raw petroleum coke. The raw coke produced from the coking tower contains high levels of volatile matter (8%-15%), moisture, and impurities (such as sulfur, nitrogen, and metals). Raw coke typically cannot directly meet user requirements (e.g., for graphite electrodes, anodes) and requires high-temperature calcination. This involves heating the coke to 1200-1400℃ in a rotary kiln or pot furnace under air-isolated conditions to remove most of the volatile matter and moisture, thereby increasing carbon content, true density, mechanical strength, electrical conductivity, and chemical stability, resulting in calcined petroleum coke. After coarse, medium, and fine grinding, the calcined petroleum coke is screened to separate fine powder that meets the target particle size requirements. The qualified petroleum coke powder is collected and then transported to storage silos or directly packaged.

[0003] In the production process of petroleum coke powder, sampling and testing are required to monitor the production process in real time, checking whether the powder particle size, carbon content, volatile matter, and water content meet product requirements. The conventional sampling method involves installing a manually operated discharge ball valve on the PTA conveying pipeline, with a union joint after the valve. Sampling personnel use a sealed sampling container, connect it to the union joint, open the ball valve to take a sample, and then close the valve after a certain sampling time. The sample size depends entirely on experience and intuition. Due to the dead zone between the ball valve and the flange connection, the sample taken is often from a previous time period. Therefore, on-site operators often have to discharge some old material before obtaining a representative sample, resulting in a very high workload. Furthermore, the sampling process frequently causes powder to scatter at the sampling site, leading to some waste of the discharged powder product and environmental pollution. Chinese patent CN202121918218.7 discloses a novel automatic sampling device, including a powder conveying pipeline and a sampling tube. The sampling tube is equipped with a remote control solenoid valve and a one-way valve. A baffle is provided on one side of the sampling tube, and a settling chamber is provided on the lower side of the baffle. The settling chamber is connected to the discharge port through a ball valve. This technical solution has the aforementioned technical problems. Utility Model Content

[0004] Technical problem to be solved: In view of the technical problems existing in the background technology, this utility model provides a powder sampling device suitable for coke powder samples, which can automatically sample powder inside the coke powder conveying pipeline and exit the coke powder conveying pipeline when not sampling, so as not to cause blockage of the coke powder conveying pipeline, and the sampling is convenient and efficient.

[0005] Technical solution: The present invention provides a powder sampling device suitable for coke powder samples, wherein the powder sampling device is correspondingly connected to the coke powder conveying pipeline, and includes:

[0006] A flanged pipe body, wherein a branch pipe is provided on one side wall of the flanged pipe body;

[0007] The sampling body includes a tube and connecting rings at both ends of the tube. One end of the tube is fixedly connected to an installation branch pipe, and a discharge end pipe is provided on the lower side of the tube.

[0008] A sampler, wherein the sampler is placed inside the sampling body;

[0009] A power drive mechanism is connected to the far end of the pipe body and is connected to the sampler in a transmission connection, driving the sampler to extend into or retract the flange pipe body to complete the sampling action.

[0010] Preferably, a receiving hopper is provided at one end of the pipe body located on the installation branch pipe, and the receiving hopper is inserted into the installation branch pipe and its end extends into the flange pipe body.

[0011] Preferably, the sampler includes a connecting rod and piston discs corresponding to both ends of the connecting rod, wherein the diameter of the piston discs is adapted to the inner diameter of the tube.

[0012] Preferably, an exhaust pipe is provided at the top of the pipe body.

[0013] Preferably, the connecting rod has a connecting end at one end corresponding to the power drive mechanism.

[0014] Preferably, the connecting rings at both ends of the pipe body are fixedly connected to the installation branch pipe and the power drive mechanism by fixing bolts or quick-connect clamps.

[0015] Preferably, the power drive mechanism is a drive cylinder, a hydraulic cylinder, or a linear electric cylinder.

[0016] Preferably, the sampler is a spoon-shaped structure with a receiving groove.

[0017] Preferably, the power drive mechanism is an electric cylinder with a piston connecting rod having telescopic and / or rotational movements.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The powder sampling device of this invention can automatically sample powder inside the coke powder conveying pipeline and exit the coke powder conveying pipeline when not sampling, thus preventing blockage of the coke powder conveying pipeline. The sampling is convenient and efficient. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the connection structure between the conveying pipeline and the powder sampling device in this application;

[0021] Figure 2 for Figure 1 Main view of the structure of the medium powder sampling device;

[0022] Figure 3 for Figure 2 Top view of the structure of the medium powder sampling device;

[0023] Figure 4 for Figure 2 First-person view structural diagram of the sampling subject in the middle;

[0024] Figure 5 for Figure 4 Schematic diagram of the second-view structure of the sampling subject;

[0025] Figure 6 for Figure 4 Main view of the sampler structure.

[0026] Reference numerals in the attached drawings: 1. Coke powder conveying pipeline; 2. Powder sampling device; 3. Sample cup; 4. Flange pipe body; 41. Installation branch pipe; 5. Sampling body; 51. Pipe body; 52. Connecting ring body; 53. Receiving hopper body; 54. Discharge end pipe; 55. Exhaust end pipe; 56. Socket; 6. Power drive mechanism; 7. Quick-connect clamp; 8. Sampler; 81. Connecting rod; 82. Piston disc; 83. Connecting end; 84. Receiving cavity. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be combined with... Figures 1-6 The technical solutions of the embodiments of this utility model are clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0028] Example 1: As Figures 1-3As shown, this utility model discloses a powder sampling device suitable for coke powder samples. The powder sampling device 2 is connected to the coke powder conveying pipeline 1 and includes a flange pipe body 4, a sampling body 5, a sampler 8, and a power drive mechanism 6. A mounting branch pipe 41 is provided on one side wall of the flange pipe body 4, and flanges are provided at both ends of the flange pipe body 4, which can be used to fix the flange pipe body 4 to the coke powder conveying pipeline 1. The sampling body 5 includes a pipe body 51 and connecting rings 52 provided at both ends of the pipe body 51. One end of the pipe body 51 is fixedly connected to the mounting branch pipe 41, and a discharge end pipe 54 is provided on the lower side of the pipe body 51. The sampler 8 is placed inside the sampling body 5, and the power drive mechanism 6 is connected to the far end of the pipe body 51 and is drively connected to the sampler 8, driving the sampler 8 to extend into or retract the flange pipe body 4 to complete the sampling action.

[0029] In one specific embodiment, such as Figures 4-6 As shown, a receiving hopper 53 is provided at one end of the pipe body 51, located on the installation branch pipe 41. The receiving hopper 53 is inserted into the installation branch pipe 41, and its end extends into the flange pipe body 4 (e.g., Figure 3 As shown, the receiving hopper 53 has a receiving port 56 on the side opposite to the direction of powder feeding. The sampler 8 includes a connecting rod 81 and piston discs 82 connected to both ends of the connecting rod 81. The diameter of the piston discs 82 is adapted to the inner diameter of the tube 51. A receiving cavity 84 for storing powder is formed between the two piston discs 82. When the power drive mechanism 6 pushes the sampler 8 to the receiving port 56 of the receiving hopper 53, the petroleum coke powder can fall into the receiving cavity between the two piston discs 82. As the sampler 8 retracts into the tube 51, the petroleum coke powder enters the sample cup 3 through the discharge end pipe 54, completing the entire sampling process.

[0030] In a preferred embodiment, such as Figure 5 An exhaust pipe 55 is provided at the top of the tube body 51. An air vent valve (not shown in the figure) can be installed on the exhaust pipe 55. The air vent valve is interlocked with the power drive mechanism 6. That is, during the retraction of the sampler 8, the air vent valve is activated synchronously to exhaust air, so that the piston disc 82 can better achieve stroke control.

[0031] like Figure 6 As shown, the connecting rod 81 is provided with a connecting end 83 at one end corresponding to the power drive mechanism 6. The power drive mechanism 6 is a drive cylinder, hydraulic cylinder or linear electric cylinder. Its piston rod is fixedly connected to the connecting end 83 of the connecting rod 81 of the sampler 8. The power drive mechanism 6 can realize the forward or backward movement of the sampler 8 by pushing the connecting rod 81 through its piston rod.

[0032] like Figures 2-3The connecting rings 52 at both ends of the pipe body 51 are fixedly connected to the installation branch pipe 41 and the power drive mechanism 6 by fixing bolts or quick-connect clamps 7. If fixing bolts are used, the connecting rings 52 and the ends of the installation branch pipe 41 adopt a flange structure to facilitate the fixing bolt connection. If quick-connect clamps 7 are used, the connecting rings 52 and the ends of the installation branch pipe 41 can adopt a trapezoidal cross-section ring structure to facilitate the easy disassembly and installation of the pipe body 51, the installation branch pipe 41, and the power drive mechanism 6.

[0033] Example 2: The main difference from Example 1 is that in this example, the sampler 8 is a spoon-shaped structure with a receiving groove, and the power drive mechanism 6 is an electric cylinder with a piston connecting rod that has telescopic and / or rotational movements. During operation, the spoon-shaped sampler 8, driven by the power drive mechanism, extends along the mounting branch pipe 41 into the flange pipe body 4 to take a sample. After sampling, the sampler 8 retracts into the pipe body 51 of the sampling body 5 under the drive of the power drive mechanism 6. Then, the power drive mechanism controls the piston connecting rod to rotate 180°, thus flipping the sampler 8 and feeding the obtained petroleum coke powder into the discharge end pipe 54, completing the sampling action. It should be noted that in this example, the power drive mechanism 6 can use an integrated structure as in the prior art to achieve the telescopic and rotational functions of its piston connecting rod, or it can use a combined power structure to achieve the telescopic and rotational functions of the piston connecting rod, depending on the specific requirements.

[0034] The above are preferred embodiments of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A powder sampling device suitable for coke powder samples, characterized in that, The powder sampling device (2) is connected to the coke powder conveying pipeline (1) and includes: Flange pipe body (4), one side wall of the flange pipe body (4) is provided with an installation branch pipe (41). The sampling body (5) includes a pipe body (51) and connecting rings (52) set at both ends of the pipe body (51). One end of the pipe body (51) is fixedly connected to the installation branch pipe (41), and a discharge end pipe (54) is set on the lower side of the pipe body (51). Sampler (8), the sampler (8) is placed inside the sampling body (5); The power drive mechanism (6) is connected to the far end of the pipe body (51) and is connected to the sampler (8) to drive the sampler (8) to extend into or retract the flange pipe body (4) to complete the sampling action.

2. A powder sampling device suitable for use with a coke sample according to claim 1, wherein, The pipe body (51) is provided with a receiving hopper (53) at one end of the installation branch pipe (41). The receiving hopper (53) is inserted into the installation branch pipe (41) and its end extends into the flange pipe body (4).

3. A powder sampling device suitable for use with a coke sample according to claim 2, wherein, The sampler (8) includes a connecting rod (81) and piston discs (82) connected to both ends of the connecting rod (81), the diameter of which is adapted to the inner diameter of the tube body (51).

4. A powder sampling device suitable for use with a coke sample according to claim 3, wherein, An exhaust pipe (55) is provided at the top of the pipe body (51).

5. A powder sampling device suitable for use with a coke sample according to claim 3, wherein, The connecting rod (81) has a connecting end (83) at one end corresponding to the power drive mechanism (6).

6. The powder sampling device for coke powder samples according to claim 1, characterized in that, The connecting rings (52) at both ends of the pipe body (51) are fixedly connected to the installation branch pipe (41) and the power drive mechanism (6) by fixing bolts or quick-connect clamps (7).

7. The powder sampling device suitable for coke breeze samples according to any one of claims 1 to 6, characterized in that, The power drive mechanism (6) is a drive cylinder, a hydraulic cylinder or a linear electric cylinder.

8. A powder sampling device suitable for use with a coke sample according to claim 1, wherein, The sampler (8) is a spoon-shaped structure with a receiving groove.

9. A powder sampling device suitable for use with a coke sample according to claim 8, wherein, The power drive mechanism (6) is an electric cylinder with a piston connecting rod that has extension and / or rotational movements.

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