CN110375601A - A kind of big resistance of high temperature resistant ceases to be in force automatically detonator and its manufacturing process - Google Patents
A kind of big resistance of high temperature resistant ceases to be in force automatically detonator and its manufacturing process Download PDFInfo
- Publication number
- CN110375601A CN110375601A CN201910800980.6A CN201910800980A CN110375601A CN 110375601 A CN110375601 A CN 110375601A CN 201910800980 A CN201910800980 A CN 201910800980A CN 110375601 A CN110375601 A CN 110375601A
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- Prior art keywords
- heatproof
- shell
- plug
- detonator
- resistance
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C7/00—Non-electric detonators; Blasting caps; Primers
- C06C7/02—Manufacture; Packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Air Bags (AREA)
Abstract
It ceases to be in force automatically detonator the invention discloses a kind of big resistance of high temperature resistant, belong to explosion priming system technical field, plug (3) is molded including shell (1), sealing-plug (2) and heatproof, one end of the heatproof injection molding plug (3) opens up fluted, heatproof electrode assembly is provided in the groove, it is also disposed with heatproof priming (9) and heatproof high explosive (8) inside the shell (1), also sets up strengthening cap (5) on the outside of the heatproof high explosive (8)；It is hollow section between the sealing-plug (2) and strengthening cap (5), the hollow section is also set up there are two failing hole (6), and the failure hole (6) is provided with temperature-sensitive sealant tape (7), also discloses the manufacturing process of above-mentioned detonator；Technique of the invention eliminates ignition charge manufacture, coating, reduces production process, to significantly reduce production cost, shortens the production time, improves product manufacturing efficiency.
Description
Technical field
The present invention relates to explosion priming system technical field more particularly to a kind of big resistance of high temperature resistant cease to be in force automatically detonator and its
Manufacturing process.
Background technique
With the upgrading of product technology in civil explosive industry, various bursting works are wanted due to Work places or job task
The difference asked proposes the product demand of various special technical requirements, and to meet normally smoothly completing for bursting work, such is needed
Asking still can sustainable growth.
For example, needing detonator product satisfaction to store under 150-200 DEG C of environmental condition in certain specific use environments
It, still can normal use after normal initiation conditions after 1-3h.
But current common industrial detonator, structure are general are as follows: including shell, high explosive, priming, strengthening cap,
Delay element, bayonet plug and the first-class component of electric firing, wherein first four part is common to all kinds of detonators, and rear three parts are because of thunder
Pipe type is different and different.As delayed to lead quick-fried detonator Part VII to be detonator: without delay element if instantaneous cap；Fire
Detonator then only has first four part.The position of each part mentioned above and assembly technology are as follows: be pressed high explosive in tube shell bottom, pranging
Priming is filled above medicine, refills strengthening cap, delay element, electric match and bayonet plug etc.；
Above-mentioned general industry detonator determines that it is not able to satisfy under 150-200 DEG C of environmental condition from structure and assembly technology
It, still can normal use after normal initiation conditions after storing 1-3h.It is primarily due to: firstly, currently used several
The bursting point of priming is lower, and industrial detonator often begins to decompose with priming DDNP at 120-130 DEG C；Common explosive hexogen
(RDX) start to decompose at 160-170 DEG C, start decomposition and gradually lose initiating ability or be done directly detonation.
Summary of the invention
An object of the present invention, in that a kind of big resistance of high temperature resistant is provided and is ceased to be in force automatically detonator, to solve above-mentioned ask
Topic.
To achieve the goals above, the technical solution adopted by the present invention is that such: a kind of big resistance of high temperature resistant ceases to be in force automatically thunder
Pipe, including shell: one end of the shell is provided with sealing-plug, and the other end is connected with heatproof injection molding plug, the heatproof injection molding plug
One end on the inside of the shell opens up fluted, and heatproof electrode assembly, the heatproof electrode group are provided in the groove
Part includes heatproof resistance, and it further includes heatproof payment to a porter that heatproof resistance both ends, which are connected with conducting wire, and the heatproof payment to a porter is led with described
After wire bonding, extend the shell；Heatproof priming and heatproof high explosive are also disposed with inside the shell, it is described resistance to
The both ends of warm priming are contacted with heatproof electrode assembly and heatproof high explosive respectively, are also set up and are added on the outside of the heatproof high explosive
Strong cap；Between the sealing-plug and strengthening cap be hollow section, the hollow section also set up there are two fail hole, two failures
Hole is symmetrical arranged in shell periphery, and the failure hole is provided with temperature-sensitive sealant tape.
Above-mentioned " heatproof is molded plug, heatproof resistance, heatproof payment to a porter ", each means resistance at least 200 DEG C of temperature.Have it is resistance to extremely
Few 200 DEG C of injection molding plug, resistance and payment to a porter are all made of the prior art, self-control or commercially available available；For example, " heatproof injection molding plug "
Can be using polytetrafluoroethylene material using conventional injection moulding process production, " heatproof resistance " can be directly buying and open from Beijing
The heatproof resistance of Er Te Petroleum Technology Co., Ltd or other can meet the heatproof resistance of technical requirements, " heatproof payment to a porter "
Can be directly buying from Teflon cable or other can meet the heatproof payment to a porter of technical requirements.
In order to solve the problems, such as the resistant to high temperature of the prior art, igniting element of the invention uses element resistant to high temperature, packet
Heatproof injection molding plug, heatproof resistance, heatproof payment to a porter are included, then high explosive and priming use high explosive resistant to high temperature and priming；
In addition, according to product service condition, detonator of the invention is also equipped with the function of ceasing to be in force automatically, because of detonator one of the invention
As in the case of detected for oil well or other ground ends, it is general to be packed into perforating gun or detection device is used together, in perforating gun or spy
Device is surveyed in the case where ground end water inlet or oil, such as can also normally be acted on, it can be due to perforating gun or detection device after normal use
Expansion and block wellhole, cause oil well to be scrapped, to avoid bigger loss caused by afore-mentioned, cease to be in force automatically so need to have
In order to solve this problem function, the present invention, are provided with failure hole, failure hole of the invention is directly to open before the use
, though in the case where water inlet or oil inlet detonator effect can not normal propagation of explosion, to achieve the purpose that cease to be in force automatically.
As a preferred technical scheme: one end 12-13mm of setting sealing-plug of the failure hole apart from the shell, pipe
Shell total length is 35-42mm.The setting distance in failure hole, the too long requirement for not being able to satisfy medicament filling；It is too short but can lose from
The function of dynamic failure, proves by inventor's a large number of experiments, and 12-13mm can just take into account above-mentioned medicament filling and the function that ceases to be in force automatically
The requirement of energy.
As a preferred technical scheme: the pore size in the failure hole is φ 3.5-4.5mm.Aperture is excessive to will increase pipe
The difficulty of processing of shell, and aperture is too small, can lose the ability to cease to be in force automatically, so inventor is through a large number of experiments, it is determined that
Above-mentioned pore diameter range.
As a preferred technical scheme: the resistance value of the heatproof resistance is 40-60 Ω.Resistance of the invention uses
The big resistance of 40-60 Ω, purpose includes: the effect that (1) big resistance assumes responsibility for ignition element, according to formula I2Rt, as hair
Fiery energy consideration, in the case that the time of ignition determines, R is bigger, and the electric current provided can be just able to satisfy with conventional initiation current and be wanted
It asks；Otherwise conversely, the requirement to initiator is just increase accordingly；(2) big resistance has anti-stray current effect, meets safe design and wants
It asks.Under the resistance value of 40-60 Ω, the detonation input capability of common electric cap is able to satisfy the requirement of the detonator, it is not necessary to use
Dedicated initiator.After the resistance stores 1-3h under conditions of 150-200 DEG C, the variable quantity of resistance is no more than 5%.
As a preferred technical scheme: the heatproof high explosive is octogen.
As a preferred technical scheme: the heatproof priming is lead azide.
As a preferred technical scheme: the sealing-plug is rubber stopper.
The second object of the present invention is to provide a kind of manufacturing process of above-mentioned detonator, the technical solution of use, successively
The following steps are included:
Heatproof payment to a porter, heatproof resistance, heatproof injection molding plug obtain heatproof electrode assembly by injection molding, and heatproof resistance is molded in heatproof to be filled in
Groove in, as ignition element；
Failure hole is opened up on shell；
Separate failure hole one end of heatproof electrode assembly and shell is clamped by clipping machine；
Then one section of bayonet is inverted in a mold by dress pressing mold, carries out dress pressing；Successively by heatproof priming, resistance to
Warm high explosive, strengthening cap are compressed in shell using the pressure of 40-90MPa；
Failure hole finally is blocked with temperature-sensitive sealant tape, fills in shell open end with sealing-plug to get finished product.
The present invention uses the manufacturing process opposite with traditional industry detonator, passes through shell and heatproof electrode assembly bayonet first
After connection, then inverse initiation is carried out, first fill priming, carries out first time pressing after then filling high explosive, after refilling high explosive,
The upper end of high explosive is pressed after being put into strengthening cap, then with heat sensitive adhesive tape blocks failure hole and with rubber plug sealing plugging shell
Open end；
Main purpose is: (1) not having to manufacture electric igniting assembly；(2) high explosive for not having more in unexpected situation occurs for priming
It participates in, under explosion energy, can avoid security risk；(3) priming is compressed on bottommost, can more prevent from shaking, the external force such as impact
It influences, it is safer.
Compared with the prior art, the advantages of the present invention are as follows: the present invention carries out fire element without using the mode of coating head
Manufacture, greatly reduce working strength, reduce sensitive ignition charge bring security risk；Pass through small pressure (40-
After 50MPa) suppressing priming, then high explosive is compressed on to big pressure (70-90MPa) bottom end of powder charge, significantly reduced
Every sensitivity of quick-fried medicine, improves the intrinsic safety of product；Meanwhile product manufacture process has also been simplified, it is of the invention
Technique eliminates ignition charge manufacture, coating, reduces production process, so that production cost is significantly reduced, when shortening production
Between, improve product manufacturing efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the middle mould of dress pressing mold used in embodiment；
Fig. 3 is the structural schematic diagram for rushing item that pressing mold is filled used in embodiment；
Fig. 4 is the structural schematic diagram of the bed die of dress pressing mold used in embodiment；
Fig. 5 is the top view of the bed die of dress pressing mold used in embodiment.
In figure: 1, shell；2, sealing-plug；3, heatproof injection molding plug；4, heatproof payment to a porter；5, strengthening cap；6, failure hole；7, temperature-sensitive
Sealant tape；8, heatproof high explosive；9, heatproof priming；10, heatproof resistance；11, conducting wire；K, card print.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Embodiment:
Referring to Fig. 1,
A kind of big resistance of high temperature resistant ceases to be in force automatically detonator, including shell 1, and one end of the shell 1 is provided with sealing-plug 2, described
Sealing-plug 2 is rubber stopper；The other end is connected with heatproof injection molding plug 3, and the heatproof injection molding fills in 3 close to the one of 1 inside of shell
End opens up fluted, heatproof electrode assembly is provided in the groove, the heatproof electrode assembly includes heatproof resistance 10, described
10 both ends of heatproof resistance are connected with conducting wire 11, further include heatproof payment to a porter 4, and the heatproof payment to a porter 4 extends with after conducting wire welding
The shell 1 out；Heatproof priming 9 and heatproof high explosive 8, the heatproof priming 9 are also disposed with inside the shell 1
Both ends contacted respectively with heatproof electrode assembly and heatproof high explosive 8, the outside of the heatproof high explosive 8 also sets up strengthening cap 5；
Between the sealing-plug 2 and strengthening cap 5 be hollow section, the hollow section also set up there are two fail hole 6, two failure holes
6 are symmetrical arranged in 1 periphery of shell, and the failure hole 6 is provided with temperature-sensitive sealant tape 7；
1 length of shell is 38mm, one end 12.5mm of setting sealing-plug 2 of the failure hole 6 apart from the shell 1, i.e.,
The distance of a to b is 12.5mm in Fig. 1；The size in the failure hole 6 is φ 4.0mm；The resistance value of the heatproof resistance 10 is 50
Ω；The heatproof high explosive 8 is octogen；The heatproof priming 9 is lead azide.Card in Fig. 1 prints k, is to close up
The meaning, that is, after first carrying out bayonet, just can be carried out subsequent anti-dress process flow.
The manufacturing process of above-mentioned detonator, successively the following steps are included:
Heatproof payment to a porter 4, heatproof resistance 10, heatproof injection molding plug 3 obtain heatproof electrode assembly by injection molding, and heatproof resistance 10 is in heatproof
In the groove of injection molding plug 3, as ignition element；
Failure hole 6 is opened up on shell 1；
Separate 6 one end of failure hole of heatproof electrode assembly and shell 1 is clamped by clipping machine；
Then one section of bayonet is inverted in a mold by dress pressing mold, carries out dress pressing；Successively by heatproof priming 9,
Heatproof high explosive 8, strengthening cap 5, are compressed in shell 1 using the pressure of 40-90MPa；
Failure hole 6 finally is blocked with temperature-sensitive sealant tape 7, fills in 1 open end of shell with sealing-plug 2 to get finished product；
It is used dress pressing mold structure as shown in Fig. 2, include middle mould A, punching B and bed die C, C1 be bed die vertical view
Figure, the assembly application method of the mold are as follows: one end that the shell after bayonet has payment to a porter is upside down on bed die C, payment to a porter is passed through
Wire casing, by middle die sleeve make on shell in after mould and bed die be close to, therefrom mould upper end, carries out powder charge, pressing uses.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
- Detonator, including shell (1) 1. a kind of big resistance of high temperature resistant ceases to be in force automatically, it is characterised in that: one end of the shell (1) is set It is equipped with sealing-plug (2), the other end is connected with heatproof injection molding plug (3), and the heatproof injection molding plug (3) is on the inside of the shell (1) One end open up fluted, heatproof electrode assembly is provided in the groove, the heatproof electrode assembly includes heatproof resistance (10), heatproof resistance (10) both ends are connected with conducting wire (11), further include heatproof payment to a porter (4), the heatproof payment to a porter (4) and institute After stating conducting wire welding, extend the shell (1)；Heatproof priming (9) and heatproof are also disposed with inside the shell (1) The both ends of high explosive (8), the heatproof priming (9) are contacted with heatproof electrode assembly and heatproof high explosive (8) respectively, described resistance to Strengthening cap (5) are also set up on the outside of warm high explosive (8)；It is hollow section, the sky between the sealing-plug (2) and strengthening cap (5) Heart section is also set up there are two failing hole (6), and two failure holes (6) are symmetrical arranged in shell (1) periphery, the failure hole (6) temperature-sensitive sealant tape (7) are provided with.
- The detonator 2. the big resistance of a kind of high temperature resistant according to claim 1 ceases to be in force automatically, it is characterised in that: the failure hole (6) one end 12-13mm of the setting sealing-plug (2) apart from the shell (1).
- The detonator 3. the big resistance of a kind of high temperature resistant according to claim 1 ceases to be in force automatically, it is characterised in that: the failure hole (6) size is φ 3.5-4.5mm.
- The detonator 4. the big resistance of a kind of high temperature resistant according to claim 1 ceases to be in force automatically, it is characterised in that: the heatproof resistance (10) resistance value is 40-60 Ω.
- The detonator 5. the big resistance of a kind of high temperature resistant according to claim 1 ceases to be in force automatically, it is characterised in that: the heatproof prangs Medicine (8) is octogen.
- The detonator 6. the big resistance of a kind of high temperature resistant according to claim 1 ceases to be in force automatically, it is characterised in that: the heatproof detonation Medicine (9) is lead azide.
- The detonator 7. the big resistance of a kind of high temperature resistant according to claim 1 ceases to be in force automatically, it is characterised in that: the sealing-plug It (2) is rubber stopper.
- 8. the manufacturing process of detonator described in claim 1-7 any one, which is characterized in thatSuccessively the following steps are included:Heatproof payment to a porter (4), heatproof resistance (10), heatproof injection molding plug (3) obtain heatproof electrode assembly, heatproof resistance by injection molding (10) in the groove that heatproof is molded plug (3), as ignition element；Failure hole (6) is opened up on shell (1)；Separate failure hole (6) one end of heatproof electrode assembly and shell (1) is clamped by clipping machine；Then one section of bayonet is inverted in a mold by dress pressing mold, carries out dress pressing；Successively by heatproof priming (9), heatproof high explosive (8), strengthening cap (5) are compressed in shell (1) using the pressure of 40-90MPa；Failure hole (6) finally is blocked with temperature-sensitive sealant tape (7), fills in shell (1) open end with sealing-plug (2) to get finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800980.6A CN110375601B (en) | 2019-08-28 | 2019-08-28 | High-temperature-resistant large-resistance automatic failure detonator and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800980.6A CN110375601B (en) | 2019-08-28 | 2019-08-28 | High-temperature-resistant large-resistance automatic failure detonator and manufacturing process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110375601A true CN110375601A (en) | 2019-10-25 |
| CN110375601B CN110375601B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827845A (en) * | 1972-03-29 | 1974-08-06 | African Explosives & Chem | Presses |
| FR2642158B1 (en) * | 1989-01-20 | 1991-05-03 | Bickford Snc Davey | METHOD FOR PREPARING A SELF-DELAYING ASSEMBLY FOR DETONATOR AND SELF-DELAYING ASSEMBLY |
| CN2501882Y (en) * | 2001-09-28 | 2002-07-24 | 沈阳工业学院 | Pressing device for automatic assembling producing line of priming system |
| CN2869760Y (en) * | 2005-12-16 | 2007-02-14 | 柳昶明 | Detonator automatic production machine |
| CN201535159U (en) * | 2009-07-20 | 2010-07-28 | 中国兵器工业第二一三研究所 | Water inflow transmission-failure initiation device for perforating operation |
| CN103033101A (en) * | 2012-12-27 | 2013-04-10 | 雅化集团绵阳实业有限公司 | Novel long-second delay electric detonator and production process thereof |
| CN208920969U (en) * | 2018-09-05 | 2019-05-31 | 川南航天能源科技有限公司 | High temperature and pressure electric cap |
-
2019
- 2019-08-28 CN CN201910800980.6A patent/CN110375601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827845A (en) * | 1972-03-29 | 1974-08-06 | African Explosives & Chem | Presses |
| FR2642158B1 (en) * | 1989-01-20 | 1991-05-03 | Bickford Snc Davey | METHOD FOR PREPARING A SELF-DELAYING ASSEMBLY FOR DETONATOR AND SELF-DELAYING ASSEMBLY |
| CN2501882Y (en) * | 2001-09-28 | 2002-07-24 | 沈阳工业学院 | Pressing device for automatic assembling producing line of priming system |
| CN2869760Y (en) * | 2005-12-16 | 2007-02-14 | 柳昶明 | Detonator automatic production machine |
| CN201535159U (en) * | 2009-07-20 | 2010-07-28 | 中国兵器工业第二一三研究所 | Water inflow transmission-failure initiation device for perforating operation |
| CN103033101A (en) * | 2012-12-27 | 2013-04-10 | 雅化集团绵阳实业有限公司 | Novel long-second delay electric detonator and production process thereof |
| CN208920969U (en) * | 2018-09-05 | 2019-05-31 | 川南航天能源科技有限公司 | High temperature and pressure electric cap |
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| Publication number | Publication date |
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| CN110375601B (en) | 2022-02-01 |
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