CN109282712A - A kind of method that Charge of ammunitions is scrapped in safe handling - Google Patents
A kind of method that Charge of ammunitions is scrapped in safe handling Download PDFInfo
- Publication number
- CN109282712A CN109282712A CN201811199512.XA CN201811199512A CN109282712A CN 109282712 A CN109282712 A CN 109282712A CN 201811199512 A CN201811199512 A CN 201811199512A CN 109282712 A CN109282712 A CN 109282712A
- Authority
- CN
- China
- Prior art keywords
- water
- cavitation device
- charge
- cavitation
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
- F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
- F42B33/062—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs by high-pressure water jet means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a kind of method that Charge of ammunitions is scrapped in safe handling, this method is realized using the denudation effect of hydraulic cavitation bubble, and the processing unit includes: booster pump, working chamber, liquid reserve tank, valve, pressure gauge etc..Casting type engine can be achieved in the present invention, the safe handling of terraced base, cerul, casting type and substep pressing type warhead charge, crumbling and fall for vacuole effectively inhibits the generation of a large amount of foams in treatment process, and powder charge is integrally submerged in water, will not cause to fire because of hot localised points.
Description
Technical field
The invention belongs to explosive wastewater technical field, it is related to a kind of method that Charge of ammunitions is scrapped in safe handling.
Background technique
Scrapping ammunition mainly includes the retired ammunition of army and manufacturing enterprise's waste product ammunition.The bulk deposition for scrapping ammunition was both deposited
Duty assurance problem is brought in serious security risk, while to army and ammunition enterprise, only by powder charge from ammunition shell
It pours out, the powder charge scrapped can just obtain further recycling and reusing processing, release security risk.Currently, general scraps ammunition
Emptying processing method is high-temperature melting method, i.e., is carried out by high-temperature steam or hot water to terraced base or the ammunition of scrapping of cerul powder charge
Heating melts wherein low-boiling TNT or wax, to smoothly empty powder charge from shell case.This method is easy, easy to operate,
But application range is very narrow, be only capable of emptying handle terraced base or cerul powder charge scrap ammunition.As new type ammunition enters successively
The batch scrap phase, the new processes ammunition such as casting type engine, casting type and substep pressing type warhead (such as A-IX-II powder charge),
Its powder charge can not be handled using existing processing technique means.
2014, Luo Tongjie designed and produced a kind of experimental provision that bursting charge is poured out using high pressure water jet,
Using the high pressure water of 70MPa and 85MPa, respectively to the A-IX-II powder charge bullet of 130mm bore TNT powder charge body, 122mm bore
Body carries out the experiment of falling medicine.As a result, it has been found that there are two main problems: being difficult to handle first is that a large amount of foams can be generated during pouring out；
Second is that nozzle and some sealing elements need to frequently replace since hydraulic pressure is excessively high, early investment and later period maintenance cost are improved.This
Outside, it is not applicable to the powder charge that some susceptibilitys are slightly higher to have been reported that display high-pressure water jet falls medicine, easily causes to generate hot spot because of part
Caused by charging explosion, bring security risk.
Hydrodynamic cavitation refers to that liquid water forms bubble under certain condition, and bubble can be to contacted solid interface when crumbling and fall
Generate the physical phenomenon of denudation.Concrete principle is: when big section water flow flows through small bore cavitation device, flow velocity increases, is quiet
Original " the vacuole core " that drops, water body inside or water are consolidated on interface can be grown to " vacuole " (diameter is about 3~5 microns).
Vacuole generates rapidly deformation during fast approaching solid wall surface (such as explosive face), crumbles and fall, thus generate with water flow movement
Microjet and shock wave, to form layer-by-layer destruction, i.e. denudation to solid dielectric.Hydrodynamic Cavitation Technology is one and compares into
Ripe technology has been used in organic wastewater degraded, and chemistry, physical process strengthen and the fields such as the scale removal of hull.This item hair
The bright above-mentioned application to Hydrodynamic cavitation is innovated, and to scrap ammunition as object, passes through the best inlet pressure of determination and range
(cavitation device is at a distance from powder charge), to invent a kind of method that Charge of ammunitions is scrapped in safe handling.Relative to water jet method, benefit
Bursting charge is handled with Hydrodynamic cavitation principle, powder charge is integrally immersed in water, is not easy to cause hot localised points；Cavitation device inlet pressure
20~30MPa, nozzle and sealing element are not easy to be lost, without frequently replacement；Crumbling and fall for vacuole inhibits a large amount of generations of foam.Phase
For high-temperature melting method, bursting charge is handled using Hydrodynamic cavitation principle, in addition to being suitable for terraced base or cerul powder charge, can also be fitted
Ammunition is scrapped for casting type engine, casting type and substep pressing type warhead etc., application range is wider, has good latent
Scape before application.
Summary of the invention
It is applicable in powder charge narrow range for the existing high-temperature fusion method of falling medicine, generation is big during the water jet method of falling medicine has medicine
Amount foam is difficult to handle, and operating hydraulic pressure is high, and nozzle and sealing element are easily lost, and empties the slightly higher powder charge of susceptibility and is possible to explode, ties up
Protect the deficiencies of at high cost and defect, a kind of the object of the present invention is to provide operating pressures low, nozzle and sealing element loss it is low,
Highly-safe, applied widely scraps Charge of ammunitions processing method.
In order to realize that above-mentioned task, the present invention take following technical solution:
One kind is suitable for including casting type engine, the peace of terraced base, cerul, casting type and substep pressing type warhead charge
Full processing method, the method includes cavitation generation, powder charge is degraded, and liquid medicine separation and water are circularly-supercharged, and use is set
Standby includes: booster pump, working chamber, liquid reserve tank, valve, pressure gauge etc..
In order to grasp the relationship between cavitation effect and relative influence parameter, in the Hydrodynamic cavitation experiment dress voluntarily built
Development experimental study is set, cavitation jet pressure, range is studied respectively to the affecting laws of the parameters such as cavitation intensity, determines best
Parameter area, and the granular size that these parameters and Hydrodynamic cavitation pour out powder charge has significant correlation.The powder charge particle poured out
(partial size) is smaller, and the recycling and reusing for carrying out powder charge to later use chemical method is more advantageous.Therefore, emphasis of the invention is true
Determine optimal processing parameter range and pour out the partial size of powder charge under the conditions of different parameters, finds its affecting laws.
According to Hydrodynamic cavitation intreractive theory, cavitation generates a series of cavitation bubble when occurring, empty when fluid field pressure increases
Bubble is crumbled and fall the centralized release energy of moment, it is sufficient to open water molecules key, generate OH free radical, cavitation occur intensity with
OH free radical yield is related.Using methylene blue as hydroxy radical agent for capturing, using UV-VIS spectrophotometry, survey indirectly
The OH free radical yield for determining Hydrodynamic cavitation generation, can analyze cavitation jet pressure, spray away from etc. influence to cavitation intensity.It is empty
It is related with cavitation device inlet pressure and range that effect is degraded in change.Inlet pressure is bigger, cavitation core space vapour containing rate also with increase,
Cavitation effect is more significant, but in view of hypertonia is bigger to powder charge bring irritation, easily sets off an explosion.In order to rise safely
See, by inlet pressure control within 35MPa, by experimental studies have found that, the relationship of inlet pressure and OH number of free radical
Such as following table.
| Inlet pressure MPa | 15 | 20 | 25 | 30 | 35 |
| OH number of free radical μm ol/L | 0.18 | 0.39 | 0.48 | 0.36 | 0.12 |
It can be seen that the amplitude of variation of OH number of free radical is significantly less than when pressure is less than 20MPa and is greater than 30MPa
Between 20~30MPa, therefore, 20~30MPa of inlet pressure is best inlet pressure range.
In addition, showing according to experimental result, the pressure and generation OH number of free radical on solid dielectric surface are acted on
As the variation of range will appear significant changes, shown in table specific as follows.
It can be seen that range is increased to 10mm by 5mm, actuating pressure is varied less, and the OH number of free radical of generation becomes
Change also very little, but when range is increased to 20mm by 10mm, the OH number of free radical of actuating pressure and generation can be strongly reduced,
When spacing is 20mm, pressure is only 1.3MPa, the OH number of free radical of generation only 0.05 μm of ol/L.Therefore, range 5~
15mm is best spacing range.
When experiment, the water in water tank is transported to pipeline by pump, and be then tapped off: a part of water is directly back to by bypass
Water tank；Another part water enters main line after being pressurized and flows into water tank later by the way that cavitation effect occurs after cavitation generator.
Control valve can control the inlet pressure and overcurrent speed before cavitation generator.
Firstly, fixed powder column and cavitation device spout spacing are 10mm, adjusting pressurization pump valve makes pressure in a certain range
Variation.It is found through experiments that, when inlet pressure is less than 10MPa, 5 minutes powder columns, which have no, to be evident that and degrades trace,
That is when inlet pressure is less than 11MPa, cavitation can not generate any influence to powder column；When pressure reaches 11MPa,
By 5 minutes action time, grain surface, which can be seen, significantly degraded trace, but powder column does not occur fracture phenomena；Then by
Cumulative plus inlet pressure, when pressure increases to 13MPa, grain surface is cracked；When inlet pressure increases to 15MPa,
Powder column can be fractured into medicine block, to achieve the effect that dig out powder charge from shell；Continuing increase pressure can be to a certain degree
The upper size for reducing medicine block.Change powder column and cavitation device spout spacing, still has the tendency that similar.
Secondly, fixed inlet pressure is 25MPa, adjusts powder column and change in a certain range with cavitation device spout spacing.It is logical
Experiment discovery is crossed, when powder column is less than 10mm with cavitation device spout spacing, slight crack occurs in a short time in powder column, and then broken
At blocky medicine not of uniform size；When powder column and cavitation device spout spacing increase to 13mm, also there is slight crack in powder column, and further
It is broken into blocky medicine not of uniform size, but obtained medicine block size is slightly larger；When powder column and cavitation device spout spacing increase to
When 17mm, by 5 minutes action time, grain surface, which can be seen, significantly degraded trace, but powder column does not occur fracture phenomena；
When powder column and cavitation device spout spacing increase to 20mm, 5 minutes powder columns, which have no, to be evident that and degrades trace, illustrates this
Cavitation effect can not generate any influence to powder column.Change inlet pressure, still has the tendency that similar.
Characterized by the following steps:
Step 1: ammunition powder column is scrapped in fixation on the powder column platform of working chamber, and powder column can be 5 away from cavitation device jet opening distance
It is arbitrarily adjusted between~15mm, opens water inlet valve, injected water into working chamber until submerging powder column and cavitation device, close
Water inlet valve.
Step 2: opening booster pump, and cavitation device inlet water pressure is increased to 20~30MPa, opens cavitation device water inlet valve
Door, makes high pressure water generate vacuole by cavitation device, and cavitation device outlet is ejected vacuole and degraded layer by layer to grain surface, degraded
Under medicine and water formed mixture precipitation, close cavitation device water inlet valve.
Step 3: the liquid medicine mixture after precipitating is separated by filtration, and water reenters liquid reserve tank for being pressurized next time
After be recycled, the useless dregs of a decoction being obtained by filtration are collected.
The invention has the following advantages:
1, in addition to terraced base, cerul powder charge, casting type engine, casting type and substep pressing type warhead charge be can also be achieved
Safe handling；
2, crumbling and fall for vacuole effectively inhibits the generation of a large amount of foams in treatment process；
3, powder charge is integrally submerged in water, and treatment process will not cause to fire because of hot localised points.
Detailed description of the invention
Fig. 1 is processing unit schematic diagram of the invention.
Below in conjunction with drawings and examples, the present invention is described in further detail.
Specific embodiment
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Embodiment 1
The present embodiment provides a kind of safe handling casting type engine, terraced base, cerul, casting type and the fight of substep pressing type
The method of portion's powder charge, this method realized using the denudation effect of hydraulic cavitation bubble, the device include: booster pump,
Working chamber, liquid reserve tank, valve, pressure gauge etc..
Specific implementation step is as follows:
Powder column is fixed on the powder column platform of working chamber by step 1, and powder column is opened away from cavitation device jet opening distance 5mm into water
Mouth valve injects water into working chamber until submerging powder column and cavitation device, closes water inlet valve；
Step 2 opens booster pump, and cavitation device inlet water pressure is increased to 20MPa, cavitation device water inlet valve is opened, makes
High pressure water generates vacuole by cavitation device, and cavitation device outlet is ejected vacuole and degraded layer by layer to grain surface, under degrading
Medicine and water form mixture precipitation, close cavitation device water inlet valve；
Step 3, the liquid medicine mixture after precipitating are separated by filtration, and water reenters liquid reserve tank for being pressurized next time
After be recycled, the useless dregs of a decoction being obtained by filtration are collected, and through measuring, gained gives up dregs of a decoction maximum particle diameter 8.2mm.
Embodiment 2
The present embodiment provides a kind of safe handling casting type engine, terraced base, cerul, casting type and the fight of substep pressing type
The method of portion's powder charge, this method realized using the denudation effect of hydraulic cavitation bubble, the processing unit and embodiment 1
In it is identical.
Specific implementation step is as follows:
Powder column is fixed on the powder column platform of working chamber by step 1, and powder column is opened away from cavitation device jet opening distance 10mm into water
Mouth valve injects water into working chamber until submerging powder column and cavitation device, closes water inlet valve；
Step 2 opens booster pump, and cavitation device inlet water pressure is increased to 25MPa, cavitation device water inlet valve is opened, makes
High pressure water generates vacuole by cavitation device, and cavitation device outlet is ejected vacuole and degraded layer by layer to grain surface, under degrading
Medicine and water form mixture precipitation, close cavitation device water inlet valve；
Step 3, the liquid medicine mixture after precipitating are separated by filtration, and water reenters liquid reserve tank for being pressurized next time
After be recycled, the useless dregs of a decoction being obtained by filtration are collected, and through measuring, gained gives up dregs of a decoction maximum particle diameter 6.5mm.
Embodiment 3
The present embodiment provides a kind of safe handling casting type engine, terraced base, cerul, casting type and the fight of substep pressing type
The method of portion's powder charge, this method realized using the denudation effect of hydraulic cavitation bubble, the processing unit and embodiment 1
In it is identical.
Specific implementation step is as follows:
Powder column is fixed on the powder column platform of working chamber by step 1, and powder column is opened away from cavitation device jet opening distance 15mm into water
Mouth valve injects water into working chamber until submerging powder column and cavitation device, closes water inlet valve；
Step 2 opens booster pump, and cavitation device inlet water pressure is increased to 30MPa, cavitation device water inlet valve is opened, makes
High pressure water generates vacuole by cavitation device, and cavitation device outlet is ejected vacuole and degraded layer by layer to grain surface, under degrading
Medicine and water form mixture precipitation, close cavitation device water inlet valve；
Step 3, the liquid medicine mixture after precipitating are separated by filtration, and water reenters liquid reserve tank for being pressurized next time
After be recycled, the useless dregs of a decoction being obtained by filtration are collected, and through measuring, gained gives up dregs of a decoction maximum particle diameter 11.4mm.
Embodiment 4
The present embodiment provides a kind of safe handling casting type engine, terraced base, cerul, casting type and the fight of substep pressing type
The method of portion's powder charge, this method realized using the denudation effect of hydraulic cavitation bubble, the processing unit and embodiment 1
In it is identical.
Specific implementation step is as follows:
Powder column is fixed on the powder column platform of working chamber by step 1, and powder column is opened away from cavitation device jet opening distance 15mm into water
Mouth valve injects water into working chamber until submerging powder column and cavitation device, closes water inlet valve；
Step 2 opens booster pump, and cavitation device inlet water pressure is increased to 20MPa, cavitation device water inlet valve is opened, makes
High pressure water generates vacuole by cavitation device, and cavitation device outlet is ejected vacuole and degraded layer by layer to grain surface, under degrading
Medicine and water form mixture precipitation, close cavitation device water inlet valve；
Step 3, the liquid medicine mixture after precipitating are separated by filtration, and water reenters liquid reserve tank for being pressurized next time
After be recycled, the useless dregs of a decoction being obtained by filtration are collected, and through measuring, gained gives up dregs of a decoction maximum particle diameter 23.6mm.
Claims (2)
1. a kind of method that Charge of ammunitions is scrapped in safe handling, this method is using the denudation effect of hydraulic cavitation bubble come real
Existing, the processing unit includes: booster pump, working chamber, liquid reserve tank, valve, pressure gauge etc..It is characterised in that it includes following
Step:
1) powder column is fixed on the powder column platform of working chamber, powder column can arbitrarily be adjusted between 5~15mm away from cavitation device distance, be opened
Water inlet valve is opened, working chamber is injected water into until submerging powder column and cavitation device, closes water inlet valve.
2) booster pump is opened, cavitation device inlet water pressure is increased into 20~30MPa of pressure, cavitation device water inlet valve is opened, makes
High pressure water generates vacuole by cavitation device, and cavitation device outlet is ejected vacuole and degraded layer by layer to grain surface, under degrading
Medicine and water form mixture precipitation, close cavitation device water inlet valve.
3) the liquid medicine mixture after precipitating is separated by filtration, and water reenters liquid reserve tank, is made for circulation be pressurized next time after
With the useless dregs of a decoction being obtained by filtration are collected.
2. the method that Charge of ammunitions is scrapped in a kind of safe handling according to claim 1, which is characterized in that this method is applicable in
In casting type engine, the safe handling of terraced base, cerul, casting type and substep pressing type warhead charge is obtained with this method
6.5~23.6mm of useless dregs of a decoction maximum particle diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199512.XA CN109282712A (en) | 2018-10-16 | 2018-10-16 | A kind of method that Charge of ammunitions is scrapped in safe handling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199512.XA CN109282712A (en) | 2018-10-16 | 2018-10-16 | A kind of method that Charge of ammunitions is scrapped in safe handling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109282712A true CN109282712A (en) | 2019-01-29 |
Family
ID=65176908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199512.XA Pending CN109282712A (en) | 2018-10-16 | 2018-10-16 | A kind of method that Charge of ammunitions is scrapped in safe handling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109282712A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2354924C1 (en) * | 2008-02-05 | 2009-05-10 | Государственное образовательное учреждение высшего профессионального образования Военная академия Ракетных войск стратегического назначения имени Петра Великого | Device for definition of characteristics of energetic materials destruction by jet cavitation |
-
2018
- 2018-10-16 CN CN201811199512.XA patent/CN109282712A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2354924C1 (en) * | 2008-02-05 | 2009-05-10 | Государственное образовательное учреждение высшего профессионального образования Военная академия Ракетных войск стратегического назначения имени Петра Великого | Device for definition of characteristics of energetic materials destruction by jet cavitation |
Non-Patent Citations (2)
| Title |
|---|
| 徐其鹏等: ""国外废旧弹药回收全流程技术进展"", 《情报交流》 * |
| 满海涛等: ""基于水力空化技术的照明炬冲蚀试验研究"", 《爆破器材》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH09506429A (en) | Reactor having emergency cooling device and cooling method thereof | |
| JP2000263337A (en) | Surface refining method of metal part, washing method and device | |
| CN111843853B (en) | Internal surface finish machining strengthening system based on hydrodynamic cavitation jet flow | |
| CN213976991U (en) | Water quenching discharging device of high-temperature melting oxidation furnace | |
| CN203751969U (en) | Three-phase cavitation abrasive material water-jet cutting device | |
| CN103921216A (en) | Three-phase cavitation abrasive water jet cutting device | |
| CN109282712A (en) | A kind of method that Charge of ammunitions is scrapped in safe handling | |
| CN109365502A (en) | Polluted soil wash mill | |
| KR101244209B1 (en) | Reprocessing system of paraffin-wax encapsulant | |
| CN204265618U (en) | Waterpower two phase flow sludge cell wall breakage system | |
| CN110411290A (en) | It is a kind of for emptying the cavitation spray head of Charge of ammunitions | |
| CN102794317B (en) | Device and method for descaling surface of casting blank | |
| CN206883427U (en) | A kind of positioning tool for processing drift | |
| Hlushkova et al. | Use of detonation sputtering to increase the durability of hydraulic hammer critical parts | |
| Sanders et al. | Use of cavitation abrasive surface finishing to improve the fatigue properties of additive manufactured titanium alloy Ti6Al4V | |
| CN207873549U (en) | A kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice | |
| CN107892345B (en) | Supercritical reaction device | |
| TWI542551B (en) | May be the ordering method and apparatus for long-term water molecules | |
| CN109986318A (en) | A kind of super-pressure stream of supercritical carbon dioxide carries dry ice cutter device and method | |
| CN205888482U (en) | CAP1400 nuclear power canned motor pump motor flywheel retaining ring | |
| CN102463078B (en) | Boiling bed catalyst on-line priming system | |
| RU2371791C2 (en) | Method for dissollution of nuclear fuel in form of ground fuel assemblies of nuclear reactors and device for its realisation | |
| CN208545385U (en) | A kind of immersion extractor | |
| CN202654780U (en) | Water descaling bag filter on profile steel tandem rolling line | |
| Tan et al. | Numerical simulation of cavitation behavior and peening experiments in cavitation peening processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190129 |
|
| RJ01 | Rejection of invention patent application after publication |