CN102826938A - Continuous aftertreatment technology for single-compound explosive HMX - Google Patents
Continuous aftertreatment technology for single-compound explosive HMX Download PDFInfo
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- CN102826938A CN102826938A CN2012103107374A CN201210310737A CN102826938A CN 102826938 A CN102826938 A CN 102826938A CN 2012103107374 A CN2012103107374 A CN 2012103107374A CN 201210310737 A CN201210310737 A CN 201210310737A CN 102826938 A CN102826938 A CN 102826938A
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Abstract
The invention discloses a continuous aftertreatment technology for single-compound explosive HMX. The continuous aftertreatment technology includes filtering, washing, drying and cooling. Devices required for implementing the continuous aftertreatment technology comprise a vacuum drum filter, a first stirring washing kettle, a mother liquor collecting tank, a second stirring washing kettle, a peristaltic pump, a vacuum disk filter, a washing liquor collecting tank, a vacuum disk rotational drying and cooling all-in-one machine and a material collecting barrel. The technological process includes realizing continuous filtering and spraying washing for synthetic suspension liquid HMX by the vacuum disk filter, feeding a filtered crude product HMX into the serially connected mechanical stirring washing kettles via discharge channels to complete overflow washing under mechanical stirring action, continuously conveying the washed crude product HMX to the vacuum disk filter by the peristaltic pump to filter the crude product HMX under the vacuum action; and freely dropping a filtered wet product HMX obtained in the previous step into the vacuum disk rotational drying and cooling all-in-one machine, drying and cooling the filtered wet product HMX under the condition of vacuumizing to obtain an product HMX with the purity higher than or equal to 99% and moisture content lower than or equal to 0.1%.
Description
Technical field
The invention belongs to fiery explosive technical field, relate to a kind of important continuous aftertreatment technology of single chmical compound explosive HMX, promptly filter, wash, drying and process for cooling.The filtration of especially a kind of HMX continuous and automatic, Long-distance Control, isolated operation, washing, dry and process for cooling process.
Background technology
Single chmical compound explosive HMX is a kind of broad-spectrum energetic material, is the important energy integral part of high-energy propellant, propelling agent and explosive.The filtration of preparation HMX at present both at home and abroad, washing, dry all the employing with the process for cooling process are interrupted method technology, man-machinely do not isolate, labour intensity is big, outstanding problem comparatively such as danger height, intrinsic safety difference.
The RDX production line of North America Huo Sidun ammunition factory is the U.S. single chmical compound explosive manufacturing enterprise unique in NA, and RDX makes and adopts the graceful method of Bark (acetic anhydride method) technology synthetic, and its RDX washing, filtration, drying still adopt half-continuous process.
The single chmical compound explosive manufacturing enterprise of China from the sixties in last century, adopts always and is interrupted method technology, man-machinely do not isolate, and on-the-spot manual operations, high-intensity manual work, abominable production environment has seriously influenced employee's physical and mental health.
Summary of the invention
Be interrupted method technology to the synthetic HMX of existing single chmical compound explosive; Technical problems such as process is discontinuous, human-machine operation is not isolated, danger is big; The objective of the invention is to, be single chmical compound explosive HMX filtration, washing, drying and process of cooling, single chmical compound explosive HMX a kind of man-machine isolated operation, continuous and automatic is provided continuous aftertreatment technology; The powdery HMX product purity that makes is more than or equal to 99%, and moisture content is smaller or equal to 0.1%.
In order to realize above-mentioned task, the present invention takes following technical solution:
The continuous aftertreatment technology of a kind of single chmical compound explosive HMX; It is characterized in that; This aftertreatment technology comprises filtration, washing, vacuum-drying and cooling, and the equipment of employing comprises: vacuum-type drum filter, the first agitator treating still, mother liquor receiving tank, the second agitator treating still, peristaltic pump, vacuum disk filter, washing lotion holding tank, disk Rotary drying and cooler, material collection bucket; Wherein:
Said vacuum-type drum filter is connected in before the first agitator treating still; And be connected with the mother liquor receiving tank; The first agitator treating still and the second agitator treating still are connected in series; The second agitator treating still is connected with the vacuum disk filter through peristaltic pump, and vacuum disk filtration jar connects the washing lotion holding tank and links to each other with cooler with the disk Rotary drying, and the disk Rotary drying is connected the material gathering barrel with cooler;
Its technological process is: will come from the HMX suspension-s of condensation reaction operation, and get into vacuum-type drum filter, and under the effect of vacuum, accomplish solid-liquid separation, isolating mother liquor gets into the mother liquor receiving tank; Bullion HMX after the filtration relies on gravity to fall into placed in-line two-stage agitator treating still, accomplishes agitator treating; HMX behind the agitator treating is transported in the vacuum disk filter through peristaltic pump, under the effect of vacuum, accomplishes and filters; Filtering washing lotion gets in the washing lotion receiving tank; Solid HMX freely falling body is in disk Rotary drying and cooler; Under 100 ℃～110 ℃ temperature condition; Through after the drying of 50min～100min and the cooling, temperature is reduced to room temperature, obtain purity more than or equal to 98%, water ratio is smaller or equal to the powdery HMX product of 0.2% white.
The continuous aftertreatment technology of powdery single chmical compound explosive HMX of the present invention, technological process is carried out under sealing condition, environmental friendliness; On-the-spot clean, meet the environment protection conditional request, and make operator away from the hazardous location; Labour intensity declines to a great extent, and product significantly reduces in the system amount.
Description of drawings
Fig. 1 process flow diagram;
Fig. 2 automation control system synoptic diagram;
Fig. 3 vacuum disk filtration principle schematic;
Fig. 4 disk Rotary drying and cooling principle synoptic diagram.
The embodiment that provides below in conjunction with accompanying drawing and contriver does further detailed description to the present invention.
Embodiment
As shown in Figure 1; Present embodiment provides the continuous aftertreatment technology of a kind of powdery single chmical compound explosive HMX; Comprise filtration, washing, dry and cooling, the equipment of employing comprises: vacuum disk filter 1, first, second mechanical type agitator treating still (2,4), mother liquor receiving tank 3, peristaltic pump 5, vacuum disk filter 6, washing lotion holding tank 7, disk Rotary drying and cooler 8, material collection bucket 9.Wherein:
Vacuum-type drum filter 1 is connected in before the first agitator treating still 2; And be connected with mother liquor receiving tank 3; The first agitator treating still 2 and the second agitator treating still 4 are connected in series; The second agitator treating still 4 is connected with vacuum disk filter 6 through peristaltic pump 5, and vacuum disk filtration jar 6 connects washing lotion holding tank 7 and links to each other with cooler 8 with the disk Rotary drying, and the disk Rotary drying is connected material gathering barrel 9 with cooler 8;
The HMX suspension-s that comes from the pyrolytic reaction still gets into vacuum disk filter 1 through pipeline, under the effect of vacuum disk filter 1; Realized separating of HMX and mother liquor; Mother liquor gets into mother liquor receiving tank 3, and HMX gets into the placed in-line first mechanical type agitator treating still, 2, the first mechanical type agitator treating stills 2 through blanking channel and adds tap water through pipeline; Under churned mechanically effect, accomplish washing; HMX suspension-s after the washing overflows to the second mechanical type agitator treating still 4 through pipeline, under churned mechanically effect, continues agitator treating.HMX suspension-s after the washing, the baiting valve through the second mechanical type agitator treating still, 4 bottoms, pipeline, through peristaltic pump 5, non-return valve, arrival vacuum disk filter 6, a large amount of washing lotion among the elimination HMX; Washing lotion gets into washing lotion holding tank 7, and HMX arrives the dry and cooler 8 of disk through blanking channel, in the arid region; Under the effect of high temperature circulation water; Below HMX moisture drying to 0.1%, along with the slow rotation of disk rotation platform, material arrives the disk cooled region; Under the effect of cooling circulating water, the temperature of HMX is reduced to room temperature.HMX has accomplished continuous filtration, washing, dry and cooling under automatic control, isolated operation condition like this, and finally dried material gets into gathering barrel 1-9.Material has been accomplished the continous vacuum disk filtration, the mechanical agitator treating of connecting, peristaltic pump are carried continuously, vacuum disk filtration, disk Rotary drying with change cooling process.
Referring to as shown in Figure 2, in the present embodiment, automatic control system comprises: active station 2-1, stamping machine 2-2, PLC unit 2-3, frequency transformer and field instrument 2-4 etc., wherein:
Active station is made up of an IPC 2-1, and active station is realized processing parameter demonstration, SP setting, technical process demonstration, warning, the inquiry of historical data function as man machine operation interface.Operator realize Long-distance Control and isolated operation through the operation to man-machine interface.
The function of stamping machine 2-2 is mainly accomplished the output and the printing of production report.
PLC unit 2-3 is the core of system, mainly accomplishes processing parameter collections such as material temperature, moisture, static, and carries out control strategy computing and judgement, finally realizes regulating automatically and control through topworks, frequency transformer.
Field instrument 2-4 mainly is made up of primary instruments such as platinum-resistance thermometer, pressure transmitter, moisture detector, electrostatic detector and on-line detector device, mainly accomplishes the automatic detection of processing parameter.
As shown in Figure 3, the vacuum disk filter had blanking channel 3-1 in 6 minutes, mother liquor filtrating area 3-2 (I district), spray washing district 3-3 (II district), vacuum dewatering zone 3-4 (III district), blowback discharging area 3-5 (IV district).
The working process of vacuum disk filter 6 is to arrive disk filtration district 3-2 (I district) by the material behind the agitator treating of peristaltic pump 5 through blanking channel 3-1, under the effect of vacuum; A large amount of moisture in the elimination material, along with the rotation of disk, moisture is progressively done by filter; When material reaches drip washing district 3-3 (II district), material is by spray washing, along with the slowly rotation of disk; Material reaches dewatering zone 3-4 (III district), under the effect of vacuum, is drained by vacuum once more, when material arrives blowback discharging area 3-5 (IV district); Under the slowly driving of pneumatic motor 3-7, spiral 3-6 releases the vacuum disk filter with material, and material is promoted to fall to arriving subsequent processing.
As shown in Figure 4; Disk Rotary drying and cooler 8 comprise a disk rotation platform; Dispose distributor 4-1, pusher 4-6, material scraper 4-7 and blanking channel 4-8 on the disk rotation platform; The disk rotation platform is divided into drying zone 4-2 and cooling zone 4-3, and dry rake glassware 4-4 is arranged on the drying zone 4-2, and cooling rake glassware 4-5 is arranged on the 4-3 of cooling zone.
Disk Rotary drying and cooler 8 can carry out drying and cooling simultaneously, and successive drying and cooling be meant by dry material, the distributor 4-1 through drying zone 4-2 top, will be distributed in equably on the drying zone 4-2 of disk rotation platform by the exsiccant pulverulent material; Logical high temperature (100 ℃ ~ 110 ℃) recirculated water in the drying zone 4-2 chuck; Under action of high temperature, the moisture in the material is evaporated fast, along with the evaporation of moisture; Be prone to form duricrust by dry material; Under the effect of drying rake glassware 4-4, material stirred and harrowed pine, the moisture in stirring and harrow loose material continues rapid evaporation, moisture is lowered to below 0.1%.
Along with the slow rotation of disk rotation platform, when material arrives pusher 4-6, released drying zone 4-2 by pusher 4-6; Cross dry and the cooling line of delimitation, arrive cooling zone 4-3, logical cooling circulating water in the chuck of cooling zone 4-3; Material obtains cooling in this zone; Along with the slow rotation of disk rotation platform, stir and harrow pine at twice that cools off rake glassware 4-5, the material that is stirred and harrow pine is quickly cooled to room temperature.Along with the continuation of disk rotation platform is slowly rotated, when material arrives material scraper 4-7, scraped rotary working platform by material scraper, arrive in the material collection bucket 1-9 through blanking channel 4-8, material has been accomplished dry and cooling simultaneously like this.The single chmical compound explosive HMX purity that obtains is more than or equal to 99%, and moisture is smaller or equal to 0.1%.
Claims (4)
1. continuous aftertreatment technology of powdery single chmical compound explosive HMX; It is characterized in that; This aftertreatment technology comprises filtration, washing, vacuum-drying and cooling, and the equipment of employing comprises: vacuum-type drum filter (1), the first agitator treating still (2), mother liquor receiving tank (3), the second agitator treating still (4), peristaltic pump (5), vacuum disk filter (6), washing lotion holding tank (7), disk Rotary drying and cooler (8), material collection bucket (9); Wherein:
Said vacuum-type drum filter (1) is connected in the first agitator treating still (2) before; And be connected with mother liquor receiving tank (3); The first agitator treating still (2) and the second agitator treating still (4) are connected in series; The second agitator treating still (4) is connected with vacuum disk filter (6) through peristaltic pump (5); Vacuum disk filtration jar (6) connects washing lotion holding tank (7) and links to each other with cooler (8) with the disk Rotary drying, and the disk Rotary drying is connected material gathering barrel (9) with cooler (8);
Its technological process is: will come from the HMX suspension-s of condensation reaction operation, and get into vacuum-type drum filter (1), and under the effect of vacuum, accomplish solid-liquid separation, isolating mother liquor gets into mother liquor receiving tank (3); Bullion HMX after the filtration relies on gravity to fall into placed in-line two-stage agitator treating still (2,4), accomplishes agitator treating; HMX behind the agitator treating is transported in the vacuum disk filter (6) through peristaltic pump (5), under the effect of vacuum, accomplishes and filters; Filtering washing lotion gets in the washing lotion receiving tank (7); Solid HMX freely falling body is in disk Rotary drying and cooling all-in-one (8); Under 100 ℃～110 ℃ temperature condition; Through after the drying of 50min～100min and the cooling, temperature is reduced to room temperature, obtain purity more than or equal to 98%, water ratio is smaller or equal to the powdery HMX product of 0.2% white.
2. technology as claimed in claim 1; It is characterized in that; The top of the described first agitator treating still (2) and the second agitator treating still (4) is provided with motor-driven mechanical stirrer, bath water inlet channel and valve, and blowing pipeline and valve, riser and transport pipe are arranged at the kettle bottom.
3. technology as claimed in claim 1 is characterized in that, dividing in the described vacuum disk filter (6) has blanking channel (3-1), mother liquor filtrating area (3-2), spray washing district (3-3), vacuum dewatering zone (3-4) and blowback discharging area (3-5).
4. technology as claimed in claim 1; It is characterized in that; Described disk Rotary drying and cooler (8) comprise a disk rotation platform, dispose distributor (4-1), pusher (4-6), material scraper (4-7) and blanking channel (4-8) on the disk rotation platform, and the disk rotation platform is divided into drying zone (4-2) and cooling zone (4-3); Dry rake glassware (4-4) is arranged on the drying zone (4-2), cooling rake glassware (4-5) is arranged on cooling zone (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210310737.4A CN102826938B (en) | 2012-08-28 | 2012-08-28 | Continuous aftertreatment technology for single-compound explosive HMX |
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| CN201210310737.4A CN102826938B (en) | 2012-08-28 | 2012-08-28 | Continuous aftertreatment technology for single-compound explosive HMX |
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| CN102826938A true CN102826938A (en) | 2012-12-19 |
| CN102826938B CN102826938B (en) | 2014-12-10 |
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| CN201210310737.4A Expired - Fee Related CN102826938B (en) | 2012-08-28 | 2012-08-28 | Continuous aftertreatment technology for single-compound explosive HMX |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940698A (en) * | 2014-05-06 | 2014-07-23 | 湖北三江航天江河化工科技有限公司 | HMX content assaying method |
| CN105013759A (en) * | 2015-08-19 | 2015-11-04 | 成都鑫成鹏线缆材料有限公司 | Cleaning equipment of cable raw materials and cleaning process |
| CN105237316A (en) * | 2015-09-25 | 2016-01-13 | 西安近代化学研究所 | Granular explosive continuous washing process |
| CN103694065B (en) * | 2013-11-11 | 2016-07-06 | 西安近代化学研究所 | A kind of miniature ball wash mill and method |
| CN107602310A (en) * | 2017-10-30 | 2018-01-19 | 西安近代化学研究所 | Acid elution method is driven in a kind of gas whistle formula serialization suitable for explosive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770721A (en) * | 1956-02-09 | 1973-11-06 | Us Army | Direct production of beta hmx |
| EP0547735A1 (en) * | 1991-10-15 | 1993-06-23 | GOVERNMENT OF THE UNITED STATES OF AMERICA, as represented by THE SECRETARY OF THE ARMY | Process for the preparation of 1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane |
| CN1970514A (en) * | 2005-11-25 | 2007-05-30 | 南京理工大学 | Nickel hydrazine azide, its preparation method and uses as explosive ignitor |
-
2012
- 2012-08-28 CN CN201210310737.4A patent/CN102826938B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770721A (en) * | 1956-02-09 | 1973-11-06 | Us Army | Direct production of beta hmx |
| EP0547735A1 (en) * | 1991-10-15 | 1993-06-23 | GOVERNMENT OF THE UNITED STATES OF AMERICA, as represented by THE SECRETARY OF THE ARMY | Process for the preparation of 1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane |
| CN1970514A (en) * | 2005-11-25 | 2007-05-30 | 南京理工大学 | Nickel hydrazine azide, its preparation method and uses as explosive ignitor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694065B (en) * | 2013-11-11 | 2016-07-06 | 西安近代化学研究所 | A kind of miniature ball wash mill and method |
| CN103940698A (en) * | 2014-05-06 | 2014-07-23 | 湖北三江航天江河化工科技有限公司 | HMX content assaying method |
| CN103940698B (en) * | 2014-05-06 | 2016-03-02 | 湖北三江航天江河化工科技有限公司 | A kind of HMX content assaying method |
| CN105013759A (en) * | 2015-08-19 | 2015-11-04 | 成都鑫成鹏线缆材料有限公司 | Cleaning equipment of cable raw materials and cleaning process |
| CN105237316A (en) * | 2015-09-25 | 2016-01-13 | 西安近代化学研究所 | Granular explosive continuous washing process |
| CN105237316B (en) * | 2015-09-25 | 2017-07-04 | 西安近代化学研究所 | A kind of continuous washing process of graininess explosive wastewater |
| CN107602310A (en) * | 2017-10-30 | 2018-01-19 | 西安近代化学研究所 | Acid elution method is driven in a kind of gas whistle formula serialization suitable for explosive |
| CN107602310B (en) * | 2017-10-30 | 2020-05-29 | 西安近代化学研究所 | Air whistle type continuous flooding acid washing method suitable for explosives |
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| CN102826938B (en) | 2014-12-10 |
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