CN212503013U

CN212503013U - Static eliminating device suitable for energetic material unloading process

Info

Publication number: CN212503013U
Application number: CN202020571148.1U
Authority: CN
Inventors: 卫水爱; 孙磊; 李文海; 李春光
Original assignee: China Ordnance Industry Explosive Engineering And Safety Technology Research Institute
Current assignee: China Ordnance Industry Explosive Engineering And Safety Technology Research Institute
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-09
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses an electrostatic elimination device suitable for energetic material unloading process, including the shielding outer container, the inner tank bottom portion the left side of shielding outer container is provided with support and explosion-proof electronic scale, the right is provided with vertical guide rail, and explosion-proof electronic scale is located the frame of support below in, be provided with charge volume measurement hopper I in the frame of support, charge volume measurement hopper I's bottom is provided with the material receiving mouth through flange joint, the bottom of material receiving mouth is provided with the transmission hopper through flange joint, the outer wall of transmission hopper is provided with the mounting panel, the bottom of mounting panel evenly is provided with three the same ion sticks of group, the preceding lateral wall sliding connection of vertical guide rail has transverse guide, transverse guide's left end is provided with charge volume measurement hopper II. The utility model discloses based on static neutralization principle, eliminate the static that produces in the energetic material transportation, it is integrated with electrostatic detection device and electrostatic elimination device, realize electrostatic charge amount real time monitoring to in time master the effect of eliminating electricity.

Description

Static eliminating device suitable for energetic material unloading process

Technical Field

The utility model relates to an electrostatic elimination technical field after the transport of energetic material, in particular to electrostatic elimination device suitable for energetic material unloading process.

Background

The static elimination is to ionize air into a large number of positive and negative ions through high-voltage corona discharge at the tip of a static ion rod, so that the quantity of static charges accumulated on the surface of the material is eliminated and reduced through the neutralization effect of the positive and negative ions, and the quantity of the charges accumulated on the surface of the material is uncharged or has no harm of static accumulation. When the energetic materials are transmitted to the next procedure from one procedure through a pipeline or a conveyor belt, because friction and impact can be generated between the materials and the conveying device, the materials can generate a large amount of static charges after undergoing a longer transmission distance, and once the static discharge occurs, the energetic materials can be ignited to cause a blasting accident, so that the static charges can be eliminated in time in the material blanking process, the static aggregation of the materials in a silo can be avoided, and the blasting accident can be prevented.

At present, most of the methods for eliminating static electricity adopt the method that the charge quantity generated by materials is led into the ground through an equipment grounding system, but most of energetic materials are insulating materials, the static charge of the energetic materials cannot be led out due to the grounding of a storage bin, a grounding line needs to be laid in advance, and the charge quantity of the static electricity carried by the energetic materials cannot be measured in real time.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electrostatic elimination device suitable for energetic material unloading process, main aim at based on static neutralization principle, eliminates the static that produces in the energetic material transportation, and is integrated with electrostatic elimination device with the electrostatic detection device, realizes electrostatic charge amount real time monitoring to in time master the effect of eliminating electricity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electrostatic elimination device suitable for energetic material unloading process, includes the shielding outer container, the inner tank bottom the left side of shielding outer container is provided with support and explosion-proof electronic scale, and below in explosion-proof electronic scale is located the frame of support, the inner tank bottom the right of shielding outer container is provided with vertical guide rail, the top of support is provided with charge volume and measures hopper I, charge volume is measured the bottom of hopper I and is provided with the material receiving mouth through flange joint, the bottom of material receiving mouth is provided with the transmission hopper through flange joint, the outer wall of transmission hopper is provided with the mounting panel, the bottom of mounting panel evenly is provided with three the same ionic rod of group, the preceding lateral wall sliding connection of vertical guide rail has transverse guide, transverse guide's left end is provided with charge volume and measures hopper II.

Preferably, charge amount measurement hopper I is the same with II structures of charge amount measurement hopper, all includes outer protection casing and inner shell, be connected through being provided with insulating connecting block between outer protection casing and the inner shell, the lateral wall of inner shell is provided with the motor protective housing who stretches out outer protection casing, the inner chamber of motor protective housing is provided with servo motor, servo motor's power take off end is connected with the speed reducer, the output of speed reducer is connected with the pivot, the valve plate has been cup jointed to the outer wall of pivot, the bottom of inner shell is provided with the disk seat, the even symmetry of lateral wall of outer protection casing is provided with the lap joint board.

Preferably, the outer protection casing of charge amount measurement hopper I passes through bolted connection faying plate and support, the outer protection casing of charge amount measurement hopper II passes through bolted connection faying plate and charge amount measurement hopper II.

Preferably, the valve plate comprises a shaft sleeve sleeved on the outer wall of the rotating shaft, the side wall of the shaft sleeve is connected with a fixed bottom plate, and a rubber insulating plate made of polytetrafluoroethylene is arranged at the top of the fixed bottom plate.

Preferably, the bottom of the inner cavity of the shielding outer box is provided with a fixed limiting seat through a screw, and the top of the fixed limiting seat is provided with a supporting leg for clamping the limiting explosion-proof electronic scale.

Preferably, the top of the bracket is provided with a through hole, and the top of the charge quantity measuring hopper I upwards penetrates through the through hole.

Preferably, a supporting back plate is arranged on the rear side wall of the vertical guide rail.

Preferably, the method for measuring the static electricity in the charge quantity measuring hopper I and the charge quantity measuring hopper II adopts an induction micro-current integration method.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model designs an ion static electricity eliminating device system which is suitable for the process of conveying and blanking the energetic materials and can completely eliminate the static charges carried by the energetic materials through the conveying;

2. the utility model measures the electrostatic charge amount of the energetic material before the neutralization of the static electricity, and can adjust the output power of the ion bar according to the electrostatic charge amount so as to achieve the ideal electricity elimination effect;

3. the utility model discloses energetic material to after the electrostatic elimination carries out the charge volume and detects, can confirm the effect of electrostatic elimination in real time, reaches the requirement discharge material and carries out quality testing, does not reach the repeated electrostatic elimination that carries out once more of requirement.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention;

FIG. 3 is a half-sectional view taken at D of FIG. 2 according to the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

FIG. 5 is a view of the support backplate of FIG. 1 from the C direction according to the present invention;

fig. 6 is an enlarged view of a portion F of fig. 1 according to the present invention;

fig. 7 is a schematic structural view of the bracket of the present invention;

fig. 8 is a schematic structural view of a charge amount measuring hopper i and a charge amount measuring hopper ii according to the present invention;

FIG. 9 is a top view of the valve plate of the present invention;

fig. 10 is a sectional view taken along line G-G of fig. 9 in accordance with the present invention;

fig. 11 is a schematic structural view of the receiving port of the present invention;

fig. 12 is a schematic structural view of the transfer hopper of the present invention;

fig. 13 is a front view of the mounting plate of the present invention;

fig. 14 is a schematic diagram of the induction micro-current integration method for measuring static electricity according to the present invention.

In the figure: 1-shielding an outer box; 2-a scaffold; 201-a through hole; 3-explosion-proof electronic scale; 4-vertical guide rails; 5-charge measurement hopper I; 6-a transfer hopper; 7-mounting a plate; 8-ion rods; 9-transverse guide rails; 10-charge measuring hopper II; 11-a material receiving port; 12-fixing a limiting seat; 13-a support backing plate; 1001-outer shield; 1002-an inner shell; 1003-insulating connecting blocks; 1004-servo motor; 1005-speed reducer; 1006-a rotating shaft; 1007-a valve plate; 10071-axle sleeve; 10072-fixing a base plate; 10073-a rubber insulation board; 1008-valve seat; 1009-strap; 1010 — protective housing for motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in figures 1-14, the static eliminating device suitable for the discharging process of energetic materials comprises a shielding outer box 1, a support 2 and an explosion-proof electronic scale 3 are arranged on the left side of the bottom of an inner box of the shielding outer box 1, the explosion-proof electronic scale 3 is positioned below the inner frame of the support 2, a vertical guide rail 4 is arranged on the right side of the bottom of the inner box of the shielding outer box 1, a through hole 201 is formed in the top of the support 2, the top of a charge quantity measuring hopper I5 upwards penetrates through the through hole 201, a support back plate 13 is arranged on the rear side wall of the vertical guide rail 4, a charge quantity measuring hopper I5 is arranged on the top of the support 2, a receiving port 11 is arranged at the bottom of the charge quantity measuring hopper I5 through flange connection, a transmission hopper 6 is arranged at the bottom of the receiving port 11 through flange connection, a mounting plate 7 is arranged on the outer, the front side wall of the vertical guide rail 4 is connected with a transverse guide rail 9 in a sliding manner, the left end of the transverse guide rail 9 is provided with a charge amount measuring hopper II 10, the charge amount measuring hopper I5 and the charge amount measuring hopper II 10 adopt an induction micro-current integration method, the charge amount measuring hopper I5 and the charge amount measuring hopper II 10 are identical in structure and respectively comprise an outer protective cover 1001 and an inner shell 1002, the outer protective cover 1001 is connected with the inner shell 1002 through an insulation connecting block 1003, the outer side wall of the inner shell 1002 is provided with a motor protective shell 1010 extending out of the outer protective cover 1001, the inner cavity of the motor protective shell 1010 is provided with a servo motor 1004, the power output end of the servo motor 1004 is connected with a speed reducer 1005, the output end of the speed reducer 1005 is connected with a rotating shaft 1006, the outer wall of the rotating shaft 1006 is sleeved with a valve plate 1007, the, the top of PMKD 10072 is provided with rubber insulation board 10073 that polytetrafluoroethylene made, the bottom of inner shell 1002 is provided with disk seat 1008, the even symmetry of lateral wall of outer protection casing 1001 is provided with lapping plate 1009, the outer protection casing 1001 of hopper I5 is measured to the electric charge passes through screw connection lapping plate 1009 and support 2, the outer protection casing 1001 of hopper II 10 is measured to the electric charge passes through screw connection lapping plate 1009 and electric charge measurement hopper II 10, 1 inner chamber bottom of shielding outer container is provided with fixed spacing seat 12 through the screw, the supporting legs that are used for the spacing explosion-proof electronic scale 3 of joint is offered at the top of fixed spacing seat 12.

A specific application of this embodiment is, the utility model discloses in the use, place the right amount of material in charge quantity measuring hopper I5 before the experiment begins, through the electric charge quantity of charge quantity test system measurement material when static, then electric charge quantity measuring hopper II 10 moves under transfer hopper 6 through vertical guide rail 4 and horizontal guide rail 9, switch on high voltage power supply for ion bar 8 makes it produce the charged ion opposite with material charged quantity polarity, open valve plate 1007 of electric charge quantity measuring hopper I5 and make the material fall into charge quantity measuring hopper II 10 through transfer hopper 6, in the process of material whereabouts, reach the mesh of static elimination through the neutralization effect of the ionic wind that blows off of ion bar 8 and the charged ion on material surface, measure the material charged quantity after the static elimination in charge quantity measuring hopper II simultaneously, if there is great quantity, the vertical guide rail 4 and the horizontal guide rail 9 can be controlled. The charge quantity measuring hopper II 10 is moved to the charge quantity measuring hopper I5 to operate again or the voltage intensity of the ion bar 8 connected with the high-voltage power supply is adjusted, and electricity is removed again through the intensity of ion wind.

Wherein when discharging the material in the I5 and the II 10 measuring hoppers of electric charge amount measurement, through starting servo motor 1004, through the speed reducer 1005 deceleration back pivot 1006 drive valve plate 1007 rotatory to the material of control I5 and the II 10 measuring hoppers of electric charge amount is discharged by inner shell 1002. And after the materials are finally discharged, the weight of the materials can be measured by the explosion-proof electronic scale 3.

As shown in fig. 14, the method for measuring the static electricity according to the present embodiment adopts an inductive micro-current integration method, and uses a micro-current sensor with a low input impedance to measure a micro-current induced in an outer wall of an inner housing 1002 by using the inner housing 1002 as a test cartridge and the outer housing 1001 by using the inner housing 1002 as an insulator, and when the micro-current sensor has an open circuit fault, the outer housing 1001 and the outer housing 1001 are grounded through a protection resistor, and the resistance is limited to 1k Ω, so as to ensure that no electrostatic spark discharge occurs in the cartridge.

The vertical guide rail 4 and the horizontal guide rail 9 are guide rails produced by Tianjin Hongshengda technology limited, the model of the vertical guide rail 4 is a module TL170-L05-S1400-T1000W + B, the model of the horizontal guide rail 9 is a module TL135-L05-S750-T750W, the explosion-proof electronic scale 3 is a product produced by Shanghai Yanjin electronic technology limited and has a model TCS-EXKS210-50K, the model of the servo motor 1004 is EMCA-C10604SS, and the model of the speed reducer 1005 is PS062-C0103B 1430. The specific equipment model is not completely fixed, and under the condition that the actual use state meets the requirement, equipment of other models can be reasonably selected.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a static elimination device suitable for energetic material unloading process which characterized in that: comprises a shielding outer box (1), a bracket (2) and an explosion-proof electronic scale (3) are arranged on the left side of the bottom of the inner box of the shielding outer box (1), and the explosion-proof electronic scale (3) is positioned at the lower part in the outer frame of the bracket (2), the right side of the bottom of the inner box of the shielding outer box (1) is provided with a vertical guide rail (4), the top of the bracket (2) is provided with a charge measuring hopper I (5), the bottom of the charge measuring hopper I (5) is provided with a material receiving port (11) through flange connection, the bottom of the material receiving port (11) is provided with a transmission hopper (6) through flange connection, the outer wall of the transfer hopper (6) is provided with a mounting plate (7), the bottom of the mounting plate (7) is uniformly provided with three groups of same ion bars (8), the front side wall of the vertical guide rail (4) is connected with a transverse guide rail (9) in a sliding way, and a charge quantity measuring hopper II (10) is arranged at the left end of the transverse guide rail (9).

2. The static elimination device suitable for the blanking process of the energetic material as set forth in claim 1, wherein: the utility model provides a charge capacity measuring hopper I (5) and charge capacity measuring hopper II (10) structure are the same, all include outer protection casing (1001) and inner shell (1002), be connected through being provided with insulating connecting block (1003) between outer protection casing (1001) and inner shell (1002), the lateral wall of inner shell (1002) is provided with motor protective housing (1010) that stretches out outer protection casing (1001), the inner chamber of motor protective housing (1010) is provided with servo motor (1004), the power take off end of servo motor (1004) is connected with speed reducer (1005), the output of speed reducer (1005) is connected with pivot (1006), valve plate (1007) have been cup jointed to the outer wall of pivot (1006), the bottom of inner shell (1002) is provided with disk seat (1008), the even symmetry of lateral wall of outer protection casing (1001) is provided with lapping plate (1009).

3. The static elimination device suitable for the blanking process of the energetic materials as set forth in claim 2, wherein: the outer protection cover (1001) of the charge quantity measuring hopper I (5) is connected with the lapping plate (1009) and the support (2) through screws, and the outer protection cover (1001) of the charge quantity measuring hopper II (10) is connected with the lapping plate (1009) and the charge quantity measuring hopper II (10) through screws.

4. The static elimination device suitable for the blanking process of the energetic materials as set forth in claim 2, wherein: valve plate (1007) is including cup jointing axle sleeve (10071) at pivot (1006) outer wall, the lateral wall of axle sleeve (10071) is connected with PMKD (10072), the top of PMKD (10072) is provided with rubber insulation board (10073) that polytetrafluoroethylene made.

5. The static elimination device suitable for the blanking process of the energetic material as set forth in claim 1, wherein: the bottom of the inner cavity of the shielding outer box (1) is provided with a fixed limiting seat (12) through a screw, and the top of the fixed limiting seat (12) is provided with a supporting leg for clamping the limited explosion-proof electronic scale (3).

6. The static elimination device suitable for the blanking process of the energetic material as set forth in claim 1, wherein: through-hole (201) have been seted up at the top of support (2), and the top of electric charge volume measurement hopper I (5) upwards passes through-hole (201).

7. The static elimination device suitable for the blanking process of the energetic material as set forth in claim 1, wherein: and a supporting back plate (13) is arranged on the rear side wall of the vertical guide rail (4).

8. The static elimination device suitable for the blanking process of the energetic material as set forth in claim 1, wherein: the method for measuring the static electricity quantity in the charge quantity measuring hopper I (5) and the charge quantity measuring hopper II (10) adopts an induction micro-current integration method.