Facility for eliminating static electricity during blanking of centrifugal machine

Abstract

The utility model relates to the technical field of electrostatic protection, in particular to a facility for eliminating static electricity during blanking of a centrifugal machine, the centrifugal machine is arranged on the upper-layer ground, a grounding device is arranged on a shell of the centrifugal machine and connected to the upper-layer ground, and a blanking port of the centrifugal machine penetrates through the upper-layer ground and then is located above the lower-layer ground. A receiving hopper is arranged below the discharging port, and a plurality of steam spraying pipes are arranged on the lower-layer ground around the receiving hopper. The centrifugal machine has the advantages that detonation of materials during discharging of the centrifugal machine is avoided, and safety in the production process is improved; no redundant processing steps are added, the materials are still dried after centrifugation is finished, and the production efficiency is not reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electrostatic protection, in particular to a facility for eliminating static electricity when a centrifuge is unloading. Background Art

[0002] A centrifuge is a machine that uses centrifugal force to accelerate the separation of different materials that need to be separated. Centrifuges are widely used in the fields of fine chemicals and pharmaceutical intermediates to effectively separate solid-liquid mixtures. They are essential key equipment in the post-reaction processing stage. In the laboratory stage, a suction funnel is used, but in the workshop stage, centrifuges are often used instead of suction funnels to separate products.

[0003] In fine chemical unit operations, centrifuges are mainly used to separate flammable and explosive mixed solvents from solid materials. Common solvents include toluene, ethyl acetate, acetone, hexane / heptane, methanol, etc. During use, electrostatic reactions may occur in the centrifuge due to the high-speed rotation of the drum. Electrostatic reactions may ignite flammable and explosive solvents or damage equipment, and safety cannot be guaranteed. Electrostatic reactions are mainly caused by the high-speed rotation of the drum and the transfer of electrons generated by the friction solvent. When statically charged materials or equipment come into contact with zero-potential objects or objects with a potential difference, spark discharge will occur.

[0004] However, in the prior art, a device for eliminating static electricity is generally not provided when the centrifuge is unloading, which poses certain safety risks. Therefore, there is an urgent need for a facility for eliminating static electricity when the centrifuge is unloading to improve the safety of the production process. Summary of the invention

[0005] In view of the technical problem that static electricity can easily cause material explosion when the above-mentioned centrifuge starts to unload materials after centrifugation, the utility model provides a facility for eliminating static electricity when the centrifuge is unloading materials, and the technical solution is: a facility for eliminating static electricity when the centrifuge is unloading materials, the centrifuge is arranged on the upper ground, a grounding device is arranged on the outer casing of the centrifuge, the grounding device is connected to the upper ground, a discharge port of the centrifuge passes through the upper ground and is located above the lower ground, a receiving hopper is arranged below the discharge port, and a plurality of steam nozzles are arranged on the lower ground around the receiving hopper.

[0006] As a preferred solution, rotating rods are fixedly arranged on both sides of the receiving hopper, the other end of the rotating rods is rotatably connected to the column, the other end of the column is fixedly connected to the midpoint of the support rod, and universal wheels are arranged at both ends of the support rod.

[0007] As a preferred solution, the steam nozzle is threadedly connected to the connecting column, the connecting column is a hollow structure, the hollow part is threadedly connected to the nozzle, and a diverter plate is fixedly arranged on the top of the connecting column.

[0008] As a preferred solution, the spraying direction of the combination of the connecting column, the nozzle and the diverter plate is above the receiving hopper.

[0009] As a preferred solution, the diverter plate is a special-shaped plate with an arc, and a plurality of diverter holes are evenly arranged on the diverter plate.

[0010] As a preferred embodiment, the steam nozzle is interlocked with the centrifuge.

[0011] The working principle of the utility model is that the static electricity on the material is transferred away by increasing the humidity of the material and the air when the material is discharged. The greater the humidity, the less the charge can be accumulated in the humid air, and naturally no high-voltage discharge will be generated.

[0012] The beneficial effects of the utility model are as follows: (1) It avoids the explosion of materials when the centrifuge is unloaded, thereby improving the safety of the production process;

[0013] (2) No unnecessary processing steps are added, and the material continues to be dried after centrifugation, without reducing production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a left view of the utility model.

[0016] Figure 3 Schematic diagram of the overall structure of the steam nozzle.

[0017] In the figure: 1, centrifuge; 2, grounding device; 3, upper ground; 4, discharge port; 5, receiving hopper; 51, column; 52, support rod; 53, universal wheel; 54, rotating rod; 6, lower ground; 7, steam nozzle; 71, connecting column; 72, nozzle; 73, diverter plate; 74, diverter hole. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below based on the accompanying drawings and specific embodiments.

[0019] Example 1

[0020] like Figure 1-2 As shown, a facility for eliminating static electricity when unloading a centrifuge, the centrifuge 1 is arranged on an upper ground 3, a grounding device 2 is arranged on the outer shell of the centrifuge 1, the grounding device 2 is connected to the upper ground 3, the grounding device 2 can transfer static electricity on the outer shell of the centrifuge 1 to prevent the centrifuge 1 from being damaged by static electricity, a discharge port 4 of the centrifuge 1 passes through the upper ground 3 and is located above the lower ground 6, a receiving hopper 5 is arranged below the discharge port 4, and four steam spray pipes 7 are arranged on the lower ground 6 around the receiving hopper 5.

[0021] Rotating rods 54 are fixedly arranged on both sides of the receiving hopper 5, and the other end of the rotating rod 54 is rotatably connected to the column 51 to facilitate the loading and unloading of materials. The other end of the column 51 is fixedly connected to the midpoint of the support rod 52, and universal wheels 53 are arranged at both ends of the support rod 52.

[0022] like Figure 3 As shown, the steam nozzle 7 is threadedly connected to the connecting column 71, the connecting column 71 is a hollow structure, and the hollow part is threadedly connected to the nozzle 72. A diverter plate 73 is fixedly arranged on the top of the connecting column 71 to increase the steam spraying area.

[0023] like Figure 1 The spraying direction of the combination of the connecting column 71, the nozzle 72 and the diverter plate 73 is above the receiving hopper 5, thereby improving the efficiency of increasing the humidity.

[0024] like Figure 3 The diverter plate 73 shown is a special-shaped plate with an arc. Ten diverter holes 74 are provided on the diverter plate 73 for diverting steam to improve the efficiency of increasing humidity.

[0025] The steam nozzle 7 is interlocked with the centrifuge 1. When the centrifuge 1 finishes centrifugation and starts to discharge materials, the steam nozzle 7 is automatically opened to perform steam injection. After the discharge is completed, the steam nozzle 7 is automatically closed to terminate the steam injection.

[0026] Example 2

[0027] The facility in the above-mentioned embodiment 1 is used, and its operation process is as follows: the receiving hopper 5 is moved to the position directly below the discharge port 4 of the centrifuge 1, and the steam spraying direction of the steam nozzle 7 is adjusted to the position directly above the receiving hopper 5. When the centrifuge 1 is finished, the interlocking program will open the steam nozzle 7 to increase the humidity of the material and the air, and prevent the accumulation of static charges from causing discharge. By setting a diverter plate 73 with a diverter hole 74 at the top of the connecting column 71, the steam spraying area is increased, and the efficiency of eliminating static electricity is improved. After the discharge is completed, the interlocking program will close the steam nozzle 7, stop spraying steam, and then move the receiving hopper 5 to the next section.

Claims

1. A device for eliminating static electricity when discharging materials from a centrifuge, characterized in that: The centrifuge (1) is arranged on an upper ground (3), a grounding device (2) is arranged on the outer shell of the centrifuge (1), and the grounding device (2) is connected to the upper ground (3). A discharge port (4) of the centrifuge (1) penetrates the upper ground (3) and is located above the lower ground (6). A receiving hopper (5) is arranged below the discharge port (4), and a plurality of steam spray pipes (7) are arranged on the lower ground (6) around the receiving hopper (5).

2. A device for eliminating static electricity when discharging materials from a centrifuge according to claim 1, characterized in that: Rotating rods (54) are fixedly arranged on both sides of the receiving hopper (5), the other end of the rotating rod (54) is rotatably connected to the column (51), the other end of the column (51) is fixedly connected to the midpoint of the support rod (52), and universal wheels (53) are arranged at both ends of the support rod (52).

3. A device for eliminating static electricity when discharging materials from a centrifuge according to claim 1, characterized in that: The steam spray pipe (7) is threadedly connected to the connecting column (71); the connecting column (71) is a hollow structure; the hollow portion is threadedly connected to the spray head (72); and a diverter plate (73) is fixedly disposed on the top of the connecting column (71).

4. A facility for eliminating static electricity when discharging materials from a centrifuge according to claim 3, characterized in that: The spraying direction of the combined connection column (71), the nozzle (72) and the diverter plate (73) is the space above the receiving hopper (5).

5. A facility for eliminating static electricity when discharging materials from a centrifuge according to claim 3, characterized in that: The diverter plate (73) is a special-shaped plate with an arc, and a plurality of diverter holes (74) are evenly arranged on the diverter plate (73).

6. A facility for eliminating static electricity when unloading a centrifuge according to claim 3, characterized in that: The steam nozzle (7) is interlocked with the centrifuge (1).

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