CN108790801A - A kind of nonmetallic explosion-proof ball - Google Patents
A kind of nonmetallic explosion-proof ball Download PDFInfo
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- CN108790801A CN108790801A CN201810628025.4A CN201810628025A CN108790801A CN 108790801 A CN108790801 A CN 108790801A CN 201810628025 A CN201810628025 A CN 201810628025A CN 108790801 A CN108790801 A CN 108790801A
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- ring
- equator
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- reinforcing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/03381—Arrangements or special measures related to fuel tanks or fuel handling for preventing explosions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
To overcome the problems, such as oil plant retention rate height existing for existing nonmetallic explosion-proof ball and being difficult to produce in enormous quantities, the present invention provides a kind of nonmetallic explosion-proof balls, including equator ring, the first reinforcing ring, the second reinforcing ring, arctic ring, South Pole ring and multiple first longitude pieces；The arctic ring and the South Pole ring are located at the both sides of the equator ring, and first reinforcing ring is between the arctic ring and the equator ring, and second reinforcing ring is between the South Pole ring and the equator ring；First reinforcing ring and second reinforcing ring are closed circular cyclic structure；One end of the first longitude piece is connected on the arctic ring, and the other end of the first longitude piece is connected on the South Pole ring, and first reinforcing ring, equator ring and the second reinforcing ring are sequentially connected in the middle part of the first longitude piece.Nonmetallic explosion-proof ball provided by the invention is easily achieved mass production, can improve product injection molding yield, while reducing the retention rate to oil plant.
Description
Technical field
The invention belongs to explosion-proof lamp fields, and in particular to a kind of nonmetallic explosion-proof ball.
Background technology
Recently as the development of national economy, inflammable and explosive liquid (gas) body such as gasoline, liquefied gas, propane is in daily production
Using more and more extensive in life.In general, above-mentioned inflammable and explosive liquid (gas) body is stored in fuel tank.
It generally is filled with flammable mixed gas in the head space of fuel tank, when there are burning things which may cause a fire disaster, burning things which may cause a fire disaster can ignite
Its neighbouring mixed gas, if the diffusion that the burning of mixed gas can rapidly without limitation.Due to igniting and flame propagation, in fire
It will produce incremental pressure wave before flamjne front, the strong compression unburned mixture body of pressure wave will lead to fuel tank explosion, entire mistake
Journey only has several milliseconds.
During production, transport, storage and use, since safety measure is improper or unexpected and often cause burning and quick-fried
Fried accident, often results in great property loss and casualties.Therefore, hazardous chemical fire explosion is inhibited just more and more to draw
Play the concern of people.
The appearance of various explosion-proof lamps in recent years efficiently solves inflammable and explosive liquid (gas) body in production and storage and transport process
Safety issue, wherein nonmetallic explosion-proof ball is more efficiently a kind of explosion-proof lamp.
As shown in Figure 1, existing nonmetallic explosion-proof ball, such as application No. is the Chinese patent Shens of CN201410421570.8
A kind of nonmetallic explosion-proof ball that please be disclosed, including equator ring, longitude piece, South Pole ring and arctic ring；The equator ring and longitude
Piece is vertically arranged；The South Pole ring and arctic ring are located at the both sides of equator ring；And South Pole ring is located at one end of longitude piece,
Arctic ring is located at the other end of longitude piece；The equator ring, South Pole ring, arctic ring are coaxial；It is described along the axial direction of the equator ring
The projection of South Pole ring is inside the projection of equator ring；The projection of the arctic ring is inside the projection of South Pole ring；The warp
The projection of degree piece extends to equator ring from the projection of arctic ring, and the first reinforcing ring is provided between the arctic ring and equator ring,
It is provided with the second reinforcing ring between the South Pole ring and equator ring, since its first reinforcing ring and the second reinforcing ring are closed for rectangle
Ring.
Above-mentioned existing nonmetallic explosion-proof ball there are the shortcomings that mainly have：
The structure of first reinforcing ring and the second reinforcing ring intensity itself is insufficient, is generated to the explosion-proof performance of nonmetallic explosion-proof ball
Certain influence.
The nonmetallic explosion-proof ball is obtained by injection molding, since the first reinforcing ring and the second reinforcing ring are rectangle close ring,
Mold for injection molding, which should also correspond to, processes corner location, is easy to generate stress in corner location, be unfavorable for nonmetallic explosion-proof
The mass production of ball.
Existing nonmetallic explosion-proof ball is packed into oil vessel, the oil storage of oil vessel is inevitably reduced
Amount, unless outside the bulk factor of metal explosion-proof ball itself, the oil plant retention rate of nonmetallic explosion-proof ball is also to the oil storage of oil vessel
It is nonmetallic explosion-proof ball surface detention after oil plant is discharged that measurer, which has large effect, the oil plant retention rate of nonmetallic explosion-proof ball,
Oil plant accounts for the ratio of total oil plant, and corner structure is more on existing nonmetallic explosion-proof ball, and oil plant retention rate is also higher, influences oil storage
The practical oil reserve of container.
Invention content
For being difficult to produce in enormous quantities the problems such as high with oil plant retention rate existing for existing nonmetallic explosion-proof ball, the present invention
Provide a kind of new structural nonmetallic explosion-proof ball.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of nonmetallic explosion-proof ball, including equator ring, first plus
Qiang Huan, the second reinforcing ring, arctic ring, South Pole ring and multiple first longitude pieces；
The arctic ring and the South Pole ring are located at the both sides of the equator ring, and first reinforcing ring is located at described
Between arctic ring and the equator ring, second reinforcing ring is between the South Pole ring and the equator ring, the arctic
Ring, the first reinforcing ring, the equator ring, second reinforcing ring and the equator ring are coaxial；
First reinforcing ring and second reinforcing ring are closed circular cyclic structure；
One end of the first longitude piece is connected on the arctic ring, and the other end of the first longitude piece is connected to institute
It states on the ring of the South Pole, and is sequentially connected first reinforcing ring, equator ring and the second reinforcing ring in the middle part of the first longitude piece.
Optionally, along the axial direction of the equator ring, the projection of the arctic ring is inside the projection of the South Pole ring, institute
The projection of South Pole ring is stated inside the projection of second reinforcing ring, the projection of second reinforcing ring is located at described first and adds
Inside the projection of strong ring, the projection of first reinforcing ring is inside the projection of the equator ring.
Optionally, multiple first longitude pieces line centered on the axis of the equator ring is arranged radially.
Optionally, the inner wall of the arctic ring is fixed with support chip, and the support chip is in "+" shape, the support chip place
Plane it is vertical with the axis of equator ring, the support chip away from the equator ring one side on be arranged it is fluted, it is described
Support chip is towards being provided with lug boss in the one side of the equator ring.
Optionally, the nonmetallic explosion-proof ball further includes the second longitude piece, and one end of the second longitude piece is connected to institute
It states on the first reinforcing ring, the other end of the second longitude piece is connected on second reinforcing ring, the second longitude piece
Middle part connects the equator ring.
Optionally, the nonmetallic explosion-proof ball includes multiple second longitude pieces, and multiple second longitude pieces are with institute
Line is arranged radially centered on stating the axis of equator ring, and the single second longitude piece is located at first warp of adjacent two
It spends between piece, plane where the second longitude piece divides the first longitude piece of adjacent two equally and is formed by angle.
Optionally, the first longitude piece, the second longitude piece, first reinforcing ring, second reinforcing ring, institute
The outer rim for stating arctic ring, the South Pole ring and the equator ring is located on the spherical surface of same sphere.
Optionally, part of the first longitude piece between first reinforcing ring and the equator ring is provided with first
Thickness strengthening portion, part of the second longitude piece between first reinforcing ring and the equator ring are provided with second thickness
Strengthening portion.
Optionally, connection sheet, the company are provided between the inner wall of second reinforcing ring and the outer wall of the South Pole ring
Plane where contact pin is vertical with the axis of equator ring.
Optionally, the equator ring is tabular annulus, first reinforcing ring, second reinforcing ring, the arctic
Ring and the South Pole ring are thin-walled shaped cylindrical annulus.
According to nonmetallic explosion-proof ball provided by the invention, the first reinforcing ring is set under the line, red between ring and arctic ring
Second reinforcing ring is set between road ring and South Pole ring, and the first reinforcing ring and the second reinforcing ring are closed circular cyclic structure, relatively
In existing structure, which reduces corner structure, can avoid forming long-pending oil on nonmetallic explosion-proof ball, reduces
The oil plant retention rate of nonmetallic explosion-proof ball surface.In addition, when carrying out injection molding production, the side of corresponding injection mold can be reduced
Corner structure reduces mold stresses, is conducive to the batch production of nonmetallic explosion-proof ball, while the structure can effectively avoid injection molding dead
Angle is conducive to the one-pass molding yield for improving nonmetallic explosion-proof ball, ensures that it processes convenience and production efficiency.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of existing nonmetallic explosion-proof ball；
Fig. 2 is the structural schematic diagram for the nonmetallic explosion-proof ball that one embodiment of the invention provides；
Fig. 3 is another viewing angle constructions schematic diagram for the nonmetallic explosion-proof ball that one embodiment of the invention provides；
Fig. 4 is the upward view for the nonmetallic explosion-proof ball that one embodiment of the invention provides；
Fig. 5 is the vertical view for the nonmetallic explosion-proof ball that one embodiment of the invention provides；
Fig. 6 is the sectional view in the faces A-A in Fig. 5；
Fig. 7 is the side view for the nonmetallic explosion-proof ball that one embodiment of the invention provides.
Reference numeral in Figure of description is as follows：
1, arctic ring；2, the first reinforcing ring；3, equator ring；4, the second reinforcing ring；5, the first longitude piece；51, first thickness
Strengthening portion；6, the second longitude piece；61, second thickness strengthening portion；7, support chip；71, groove；72, lug boss；8, South Pole ring；9,
Connection sheet.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In the description of the present invention, relational language is defined as follows：
" equator " is defined as：The plane for crossing the sphere centre of sphere in the horizontal direction intersects with spherical surface and is formed by circle.
" longitude " is defined as：The plane for vertically crossing the sphere centre of sphere intersects with spherical surface and is formed by circle.
" arctic " is defined as：At the top of sphere.
" South Pole " is defined as：Sphere bottom.
In the description of the present invention, it is to be understood that, term " longitude ", " latitude ", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as "horizontal", "vertical" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
Embodiment 1
Shown in Fig. 2~Fig. 7, present embodiment discloses a kind of nonmetallic explosion-proof balls, including equator ring 3, first to reinforce
Ring 2, the second reinforcing ring 4, arctic ring 1, South Pole ring 8 and multiple first longitude pieces 5；
The arctic ring 1 and the South Pole ring 8 are located at the both sides of the equator ring 3, and first reinforcing ring 2 is located at
Between the arctic ring 1 and the equator ring 3, second reinforcing ring 4 between the South Pole ring 8 and the equator ring 3,
The arctic ring 1, the first reinforcing ring 2, the equator ring 3, second reinforcing ring 4 and the equator ring 3 are coaxial.
First reinforcing ring 2 and second reinforcing ring 4 are closed circular cyclic structure.
One end of the first longitude piece 5 is connected on the arctic ring 1, the other end connection of the first longitude piece 5
In on the South Pole ring 8, and the middle part of the first longitude piece 5 is sequentially connected first reinforcing ring 2, equator ring 3 and second
Reinforcing ring 4.
When carrying out the oil plant perfusion of oil vessel, since first reinforcing ring 2 and second reinforcing ring 4 are in closing
Ring-shaped structure reduces corner structure, can avoid forming long-pending oil on nonmetallic explosion-proof ball, reduce nonmetallic explosion-proof ball table
The oil plant retention rate in face, to avoid the capacity impact for filling nonmetallic explosion-proof ball to oil vessel.Meanwhile the structure is each
There is higher compressive strength on direction, advantageously reduce deformation of nonmetallic explosion-proof ball during explosion-proof, improve explosion-proof effect
Fruit；On the other hand, when carrying out injection molding production, which can effectively avoid injection molding dead angle, be conducive to improve nonmetallic explosion-proof
The one-pass molding yield of ball ensures that it processes convenience and production efficiency.
As shown in Figure 4 and Figure 5, along the axial direction of the equator ring 3, the arctic ring 1, the South Pole ring 8, described second add
Strong ring 4, first reinforcing ring 2 and the projection of the equator ring 3 are nested successively from the inside to the outside.
Specifically, along the axial direction of the equator ring 3, the projection of the arctic ring 1 is in the projection of the South Pole ring 8
Portion, inside the projection of second reinforcing ring 4, the projection of second reinforcing ring 4 is located at institute for the projection of the South Pole ring 8
Inside the projection for stating the first reinforcing ring 2, the projection of first reinforcing ring 2 is inside the projection of the equator ring 3.
By making the arctic ring 1, the South Pole ring 8, second reinforcing ring 4, first reinforcing ring 2 and described red
Road ring 3 is coaxially disposed and is mutually shifted to install in the axial upslide shade of the equator ring 3, makes its phase in axial direction of ring 3 under the line
Mutually separation, when carrying out the injection molding of nonmetallic explosion-proof ball, along the equator ring 3 axial die sinking can once at
Type, need not subsequently machine progress trepanning or hollow out operation, manufacture craft are simple.
As shown in Fig. 2, the arctic ring 1, the South Pole ring 8, second reinforcing ring 4, first reinforcing ring 2 and institute
Equator ring 3 is stated to be mainly used for improving compressive strength of the nonmetallic explosion-proof ball on diagram horizontal plane, multiple first warps
Degree piece 5 is mainly used for improving compressive strength of the nonmetallic explosion-proof ball on diagram vertical plane.And it is the arctic ring 1, described
South Pole ring 8, second reinforcing ring 4, first reinforcing ring 2, the equator ring 3 and multiple longitude pieces cooperatively form company
Logical multi-chamber structure, when as filling explosion-proof lamp, the multi-chamber structure can hinder flame explosion time occurs
Every, avoid the diffusion of flame, to avoid occur subsequent explosion, reduce bursting strength, play explosion-proof.
As shown in Figure 4 and Figure 5, the first longitude piece 5 is laminated structure, the 5 place plane of the first longitude piece and institute
It is perpendicular to state 3 place plane of equator ring.
In some embodiments, the line centered on the axis of the equator ring 3 of multiple first longitude pieces 5 is radial
Setting.
Institute is angled consistent between the two neighboring first longitude piece 5, to ensure the nonmetallic explosion-proof ball in difference
The consistency of compressive strength on direction.
As shown in Figure 2 and Figure 6, in the present embodiment, the inner wall of the arctic ring 1 is fixed with support chip 7, the support chip
7 to the arctic ring 1 for forming radial support power, and the support chip 7 is in "+" shape, and four ends of support chip 7 extend to institute
The inner wall of arctic ring 1 and fixation are stated, the plane where the support chip 7 is vertical with the axis of the equator ring 3, the support chip
7 are arranged fluted 71 in the one side of the equator ring 3, and the groove 71 is circular groove, and the support chip 7 is towards described
Lug boss 72 is provided in the one side of equator ring 3, the lug boss 72 is hemispherical projections.
The support chip 7 is flat away from the outer rim of the equator ring 3 with the arctic ring 1 away from the surface of the equator ring 3
Together.
In various embodiments, 7 set-up mode of above-mentioned support chip can there are many, for ease of processing, under preferable case,
7 place plane of the support chip is vertical with the axis of the equator ring 3.
In the present embodiment, the nonmetallic explosion-proof ball further includes the second longitude piece 6, one end of the second longitude piece 6
It being connected on first reinforcing ring 2, the other end of the second longitude piece 6 is connected on second reinforcing ring 4, and described
The middle part of two longitude pieces 6 connects the equator ring 3.
The second longitude piece 6 is laminated structure, is put down where the 6 place plane of the second longitude piece and the equator ring 3
Face is perpendicular.
The second longitude piece 6 has multiple, the line centered on the axis of the equator ring 3 of multiple second longitude pieces 6
It is arranged radially, the single second longitude piece 6 is between two adjacent the first longitude pieces 5, second warp
Degree 6 place plane of piece divides the first longitude piece of adjacent two 5 equally and is formed by angle.
As shown in Figure 4 to 7, in the present embodiment, to keep the nonmetallic explosion-proof ball spherical in shape, the first longitude piece
5, the second longitude piece 6, first reinforcing ring 2, second reinforcing ring 4, the arctic ring 1, the South Pole ring 8 and institute
The outer rim for stating equator ring 3 is located on the spherical surface of same sphere.
It should be noted that the first longitude piece 5, the second longitude piece 6, first reinforcing ring 2, described second
Reinforcing ring 4, the arctic ring 1, the South Pole ring 8 and the equator ring 3 outer rim refer to the first longitude piece 5, described
Second longitude piece 6, first reinforcing ring 2, second reinforcing ring 4, the arctic ring 1, the South Pole ring 8 and the equator
Outer rim of the ring 3 far from the nonmetallic explosion-proof ball centre of sphere.
It in other embodiments, can be suitably to described first according to the three-dimensional shape requirement to the nonmetallic explosion-proof ball
Longitude piece 5, the second longitude piece 6, first reinforcing ring 2, second reinforcing ring 4, the arctic ring 1, the South Pole
The outer rim shape of ring 8 and the equator ring 3 is adjusted.
As shown in Figures 2 and 3, portion of the first longitude piece 5 between first reinforcing ring 2 and the equator ring 3
Set up separately and be equipped with first thickness strengthening portion 51, the second longitude piece 6 is between first reinforcing ring 2 and the equator ring 3
Part is provided with second thickness strengthening portion 61.
The first thickness strengthening portion 51 and the second thickness strengthening portion 61 are located at the inside of the equator ring 3, are used for
Improve the structural strength of the first longitude piece 5 and the second longitude piece 6.
Connection sheet 9, the connection sheet 9 are provided between the inner wall of second reinforcing ring 4 and the outer wall of the South Pole ring 8
Place plane is vertical with the axis of the equator ring 3, and the connection sheet 9 is for improving second reinforcing ring 4 and the South Pole
The bonding strength of ring 8.
The equator ring 3 is that tabular extends out annulus, first reinforcing ring 2, second reinforcing ring 4, the arctic
Ring 1 and the South Pole ring 8 are thin-walled shaped cylindrical annulus.
The nonmetallic explosion-proof ball is integrated injection structure, and material includes base material, carbon fiber, the charcoal selectively contained
The black, carbon nanotube that selectively contains, antioxidant；The base material is nylon 6, nylon66 fiber, polyphenylene sulfide, polyethylene, polypropylene
At least one of；The carbon fiber is chopped carbon fiber；The carbon black is conductive nano carbon black；The antioxidant is polynary
The compounding of hindered phenol type antioxidant and phosphite ester kind antioxidant；On the basis of the content of the base material, the carbon fiber contains
Amount is 9%-43wt%, and the content of the carbon black is 0-19.6wt%, and the content of the carbon nanotube is 0-19.6wt%, described
The content of antioxidant is 0.5%-0.8wt%
The carbon fiber is chopped carbon fiber；It is preferred that：Length is 3mm-6mm, a diameter of 6-8 μm, phosphorus content >=93%, than
Resistance is 1.6 × 10-3Ω.cm；Carbon fiber is to be applied to one of the common fiber that Plastic conductive is modified.The addition of carbon fiber may be used also
To improve the mechanical property of basis material, when basis material receives external impacts, fibrous particle can be generated in material internal
A large amount of Light deformation makes matrix generate deformation at yield to can preferably transmit the stress of generation while absorbing energy
Part impact energy is consumed, enhancing and toughening can be played the role of to basis material.
The carbon black is conductive nano carbon black；It is preferred that particle diameter is 40-50nm, DBP adsorptive values are 204 × 10-5m3/
Kg, CTAB adsorption specific surface area are 363 × 103m2/ kg, PH=7.8；Carbon black is one of most common conductive filler, and Nano carbon
Black track producing particle is smaller, i.e., spacing is small between the probability to contact with each other between carbon black particle is larger and particle, and the more conventional carbon black of electric conductivity is wanted
It is good.
The antioxidant is the compounding of polynary hindered phenol type antioxidant and phosphite ester kind antioxidant, the weight ratio of the two
Preferably 1.5-2：1, preferably four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters (antioxidant 1010) with
[2, the 4- di-tert-butyl-phenyl] phosphite ester of antioxidant three (168) compounds.
The carbon nanotube preferable particle size is 10nm-30nm, and length is 10 μm -50 μm, resistivity 10-10-3Ω
.cm；Carbon nanotube has unique structure, and a variety of electrical conduction mechanisms are conductive adjustable, and less loading can be formed
Conductive net, to avoid buildup of static electricity.
Embodiment 2
Present embodiment discloses a kind of nonmetallic explosion-proof balls.
Including most of structure feature as described in Example 1, the difference is that：
The first thickness strengthening portion 51 is not set on the first longitude piece 5, is not set on the second longitude piece 6
Set the second thickness strengthening portion 61.
Comparative example 1
As shown in Figure 1, this comparative example discloses a kind of nonmetallic explosion-proof ball.
Including most of structure feature as described in Example 1, the difference is that：
First reinforcing ring 2 and second reinforcing ring 4 are rectangular ring structure.
The first thickness strengthening portion 51 is not set on the first longitude piece 5, is not set on the second longitude piece 6
Set the second thickness strengthening portion 61.
Performance test
Prepare the nonmetallic explosion-proof ball for S1, S2 and D1 structure that embodiment 1, embodiment 2 and comparative example 1 provide.
Specific raw material information is as follows：
Carbon fiber：Polypropylene nitrilic type, length 6mm, 6.5 μm of diameter, tensile strength >=3.0Gpa, density 1.76g/cm3, stretch
Long rate >=1.5%, 1.6 Ω cm of specific resistance.
Carbon black：Conductive nano carbon black, particle diameter 40nm, DBP adsorptive value are 230 × 10-5m3/ kg, CTAB adsorb ratio
Surface area is 370 × 103m2/ kg, PH=8.
Carbon nanotube：Grain size 40-50nm, 20-50 μm of length, resistivity 10-10-3Ω.cm。
Nylon66 fiber：Model EPR27, tensile strength 55MPa, bending strength 71.8MPa, notch impact strength are
9.1kJ/m2。
Nylon 6：Model C M1017, tensile strength 80.4MPa, bending strength 108MPa, notch impact strength 31kJ/
m2, volume resistivity 1014-1015Ω.cm。
Polyphenylene sulfide：Tensile strength is 130MPa, bending strength 207MPa, notch impact strength 7kJ/m2。
Polypropylene：Tensile strength 24MPa, bending strength 50MPa, notch impact strength 2.5kJ/m2。
Operating process is：Each component is weighed according to above-mentioned weight percent, by 0.2 parts by weight irgasfos 168,0.4 weight
Part antioxidant 1010 mixes 2 minutes with 100 parts by weight nylon, 6 master batch in high-speed mixer, then by itself and 43 parts by weight carbon fibers
Dimension, which is put into togerther in double screw extruder, to be granulated, and twin-screw selects the SHF-30 types of Nanjing Jie Ente electromechanics Co., Ltd production.
400 revs/min of screw machine rotating speed, the control of extruder temperature of each section are：Barrel temperature is 235 DEG C of an area, two 230 DEG C of areas, three areas 240
DEG C, four 245 DEG C of areas, five 250 DEG C of areas, 260 DEG C of head.
Material master batch obtained above is become into embodiment 1, embodiment 2 and comparative example 1, right using injection molding machine injection molding
Nonmetallic explosion-proof spherical structure S1, S2 and D1 that ratio 2 provides.
Quality test is carried out to the nonmetallic explosion-proof ball of above-mentioned S1, S2 and D1 structure being prepared：
It follows these steps to be tested：
A) 20 beads are randomly selected from the nonmetallic explosion-proof ball that every batch of produces, in the balance of thousand-island forest park
On, the quality of bead is weighed one by one, and according to the principle to round up, the quality of each bead is remained into 2 significant digits number
Word.
B) it is no more than the standard of 1.60g according to single pellet quality, judges whether bead belongs to non-defective unit.
C) ratio for calculating the nonmetallic explosion-proof ball and total nonmetallic explosion-proof ball quantity of requisite quality, obtained product note
It moulds yield result and inserts table 1.
1 product of table is molded yield
| Sample | S1 explosion-proof balls | S2 explosion-proof balls | D1 explosion-proof balls |
| Product is molded yield | 98% | 99% | 96% |
Oil plant retention rate test is carried out to the nonmetallic explosion-proof ball of above-mentioned S1, S2 and D1 structure being prepared：
It follows these steps to be tested：
A) prepare the container that a size is 18cm × 18cm × 25cm, it can be ensured that oil plant is with (500 ± 50) mL/min
Speed drain, i.e., in this container liquid level decline speed be about 1.3cm/min；
B) mesh container that nonmetallic explosion-proof ball is packed into 18cm × 18cm × 25cm contains, but must ensure mesh container pair
The influence very little of retention rate, can be ignored；
C) nonmetallic explosion-proof ball sample is maintained into 30min under the conditions of (20 ± 5) DEG C, is accurate to after 0.10g weighs and is put into
In container, nonmetallic explosion-proof ball sample contacts container bottom, and is not less than 1.3cm apart from four wall of container；
D) oil plant is poured slowly into container, it is ensured that liquid level is not less than 1.3cm with distance above nonmetallic explosion-proof ball sample；
E) oil plant is drained until flowing to end with command speed, sample, which is still placed in original place, retains 2min；
F) sample is taken out to weighing from container, be accurate to 0.10g.
It calculates
The value of retention rate C is calculated according to the following formula.
C=(C2-C1)/(V3·ρ2)×100
In formula：
C --- retention rate, %；
C1--- nonmetallic explosion-proof ball sample mass before impregnating, g；
C2--- nonmetallic explosion-proof ball sample mass, g after immersion；
V3--- the volume of nonmetallic explosion-proof ball sample, cm3；
ρ2--- the density of oil plant, g/cm3。
The average value for taking valid data three times, the retention rate value as the nonmetallic explosion-proof ball.
The oil plant retention rate value for obtaining nonmetallic explosion-proof ball S1, S2 and D1 is as shown in table 2.
The oil plant retention rate of 2 nonmetallic explosion-proof ball of table
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of nonmetallic explosion-proof ball, which is characterized in that including equator ring, the first reinforcing ring, the second reinforcing ring, arctic ring, south
Polar ring and multiple first longitude pieces；
The arctic ring and the South Pole ring are located at the both sides of the equator ring, and first reinforcing ring is located at the arctic
Between ring and the equator ring, second reinforcing ring is between the South Pole ring and the equator ring, the arctic ring,
One reinforcing ring, the equator ring, second reinforcing ring and the equator ring are coaxial；
First reinforcing ring and second reinforcing ring are closed circular cyclic structure；
One end of the first longitude piece is connected on the arctic ring, and the other end of the first longitude piece is connected to the south
On polar ring, and first reinforcing ring, equator ring and the second reinforcing ring are sequentially connected in the middle part of the first longitude piece.
2. nonmetallic explosion-proof ball according to claim 1, which is characterized in that along the axial direction of the equator ring, the arctic
The projection of ring is inside the projection of the South Pole ring, and the projection of the South Pole ring is in the projection of second reinforcing ring
Portion, inside the projection of first reinforcing ring, the projection of first reinforcing ring is located at for the projection of second reinforcing ring
Inside the projection of the equator ring.
3. nonmetallic explosion-proof ball according to claim 1, which is characterized in that multiple first longitude pieces are with the equator
Line is arranged radially centered on the axis of ring.
4. nonmetallic explosion-proof ball according to claim 1, which is characterized in that the inner wall of the arctic ring is fixed with support
Piece, the support chip are in "+" shape, and the plane where the support chip is vertical with the axis of equator ring, the support chip back of the body
It is arranged fluted in one side from the equator ring, the support chip is towards being provided with lug boss in the one side of the equator ring.
5. nonmetallic explosion-proof ball according to claim 1, which is characterized in that the nonmetallic explosion-proof ball further includes the second warp
Piece is spent, one end of the second longitude piece is connected on first reinforcing ring, and the other end of the second longitude piece is connected to
On second reinforcing ring, the middle part of the second longitude piece connects the equator ring.
6. nonmetallic explosion-proof ball according to claim 5, which is characterized in that the nonmetallic explosion-proof ball includes multiple described
Second longitude piece, multiple second longitude pieces line centered on the axis of the equator ring are arranged radially, single described
For second longitude piece between two adjacent the first longitude pieces, plane where the second longitude piece divides adjacent two equally
A first longitude piece is formed by angle.
7. nonmetallic explosion-proof ball according to claim 5, which is characterized in that the first longitude piece, second longitude
Piece, first reinforcing ring, second reinforcing ring, the arctic ring, the South Pole ring and the equator ring outer rim be located at
On the spherical surface of same sphere.
8. nonmetallic explosion-proof ball according to claim 5, which is characterized in that the first longitude piece is reinforced described first
Part between ring and the equator ring is provided with first thickness strengthening portion, the second longitude piece in first reinforcing ring and
Part between the equator ring is provided with second thickness strengthening portion.
9. nonmetallic explosion-proof ball according to claim 1, which is characterized in that the inner wall of second reinforcing ring and the south
Connection sheet is provided between the outer wall of polar ring, plane where the connection sheet is vertical with the axis of equator ring.
10. nonmetallic explosion-proof ball according to claim 1, which is characterized in that the equator ring is tabular annulus, described
First reinforcing ring, second reinforcing ring, the arctic ring and the South Pole ring are thin-walled shaped cylindrical annulus.
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| CN201810628025.4A CN108790801A (en) | 2018-06-19 | 2018-06-19 | A kind of nonmetallic explosion-proof ball |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732104A (en) * | 2019-11-19 | 2020-01-31 | 天津捷强动力装备股份有限公司 | Nonmetal barrier explosion suppression ball |
| CN111846674A (en) * | 2020-08-19 | 2020-10-30 | 江苏翔云航空设备零部件有限公司 | Separated-bin type explosion-proof functional structural body |
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