CN101982446B - Continuous drying device for powdery simple substance explosive - Google Patents
Continuous drying device for powdery simple substance explosive Download PDFInfo
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- CN101982446B CN101982446B CN2010105021716A CN201010502171A CN101982446B CN 101982446 B CN101982446 B CN 101982446B CN 2010105021716 A CN2010105021716 A CN 2010105021716A CN 201010502171 A CN201010502171 A CN 201010502171A CN 101982446 B CN101982446 B CN 101982446B
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Abstract
The invention discloses a continuous drying device for powdery simple substance explosive. A drying station is placed on the upper end face of a hot water circulating jacket and supported by an inner support frame body, a static rotation connecting unit can drive the drying station under the action of a driving transmission unit to rotate at a proper rotational speed, and thermostatic hot water in a hot water storage tank can be circularly supplied to the hot water circulating jacket; and a distribution plate, a scraping plate and a rake feeder are arranged along the radial direction of the drying station through an outer support frame body. The powdery simple substance explosive is conveyed to the drying station between the distribution plate and the scraping plate by a feeder; the powdery explosive is subjected to processes of spreading, water evaporation, raking and water evaporation in turn along with the circular motion of the drying station; and when the drying station rotates for one circle, the dried powdery simple substance explosive is scraped into a hopper by the scraping plate. The device solves the problems of continuous operation and field isolation in the powdery simple substance explosive drying process, and has the predominant advantages of good inherent safety, short drying process period, low energy consumption, high efficiency and the like.
Description
Technical field
The invention belongs to fiery explosive technical field, relate generally to a kind of powdery single chmical compound explosive drying installation, relate in particular to a kind of device that can realize powdery single chmical compound explosive successive drying in the short period of time.
Background technology
The traditional drying technology of single chmical compound explosive is to adopt manually-operated oven method; This method will be filtered back moisture 10%～15% the powdery single chmical compound explosive aluminium dish of packing into; Every dish dress 5kg～10kg places a plurality of aluminium dishes that the medicinal powder material is housed in the vacuum drying oven dry 4h under vacuum tightness-0.07MPa and 80 ℃～90 ℃ conditions of temperature; Close vacuum switch, manual work is stirred the medicinal powder material once; Then, under similarity condition, continue dry 4h again, take out of by manual work after dry the completion.Whole drying process is under static conditions, to carry out, because the material placed is thicker about 50mm～60mm on the aluminium dish, reach water cut with the powdery single chmical compound explosive through reaching after the drying below 0.1%, must be more than the 8h consuming time.Outstanding problems such as therefore, this traditional drying technology exists operation does not isolate, dangerous high, and labour intensity is big, and the drying process cycle is long, and energy consumption is high, and drying efficiency is low, and production capacity is little.
Summary of the invention
The technical problem that the present invention will solve is, to the problem that exists in the prior art, provides a kind of and saves time and the powdery single chmical compound explosive continuous drier of safety, and this device can make the medicinal powder material with thin thickness successive drying under dynamical state.
For solving the problems of the technologies described above, continuous drier provided by the invention comprises the basic framework unit that contains outer support frame body, inner support frame body, contains the driving gear unit of pneumatic motor, speed reduction unit, quiet commentaries on classics connector element, heat supply unit, drying operation unit; Said quiet commentaries on classics connector element contains fluted disc, flange, axle sleeve, water route axle, first valve port, second valve port, first water valve and second water valve; Axle lower end, water route is provided with two axial cylindrical bore; Outside surface is provided with two circumferential recess; And two axial cylindrical bore and two circumferential recess correspondence one by one communicate; Axle lower end, water route is connected on the described inner support frame body and corresponding first water valve and second water valve installed of the port of two axial cylindrical bore, has first, second through hole and corresponding first, second valve port of installing on the axle sleeve, and the axle sleeve lower end is enclosed within upper end and first, second valve port and corresponding one by one the communicating of said two circumferential recess of water route axle with sealing means; Fluted disc be connected on the described inner support frame body through bearing and with the toothing that drives the gear unit output terminal, flange is connected in the fluted disc top; Said heat supply unit comprises 90 ℃～95 ℃ hot water storage tanks, hot water circulation chuck, the 3rd valve port and the 4th valve ports that have temperature controller and water pump; The hot water circulation chuck is flat-shaped toroidal cavity body; On the sidewall of its annular lower surface, interior circle and cylindrical thermal insulation layer is installed all; Interior circle sky is enclosed within the upper surface that is seated in said flange outside the said axle sleeve and with the mode that is connected; The bottom face of hot water circulation chuck is provided with the 3rd, fourth hole and corresponding the 3rd, the 4th valve port of installing; The inner chamber position of the hot water circulation chuck between next-door neighbour the 3rd, fourth hole is equipped with partition panel; Hot water storage tank's water outlet and water-in connect one to one through corresponding water pipe and said first water valve, second water valve, and the 3rd, the 4th valve port connects one to one through corresponding water pipe and said first valve port and second valve port, thereby form the two-way water channel that communicates with hot water circulation chuck inner chamber; Said drying operation unit contains drying table, hopper, annular link span, drapery panel, material scraping plate and 1～2 rake glassware; The rake teeth of resilient material is equipped with on one side of rake glassware; Drying table is circular slab construction and the upper surface that is connected in said hot water circulation chuck, and drapery panel, material scraping plate and rake glassware all are connected through annular link span and said outer support frame body and along the workplace radial arrangement of drying table, wherein; Drapery panel and material scraping plate are the neighbour; Leaving the distance of 2mm～5mm between the bottom of drapery panel and the workplace, is zero distance between the bottom of material scraping plate and the workplace, stays the distance of 0.5～1.5mm between the rake teeth end of rake glassware and the workplace; Hopper is connected on the said outer support frame body, and its opening for feed is positioned at drying table periphery below and corresponding with the position of material scraping plate.
In the present invention; Said hot water circulation chuck comprises that also polylith rectangular thin plate and bottom surface are provided with four stiffening webs that are uniformly distributed with; The annular width that is shorter in length than the hot water circulation chuck of rectangular thin plate, highly then the inner chamber height with the hot water circulation chuck is identical, and the rectangular thin plate certain angle of being separated by is placed in the inner chamber of hot water circulation chuck; Wherein, The height limit of odd number rectangular thin plate and the welding of the inner cylinder face of hot water circulation chuck, the height limit of even number rectangular thin plate and the welding of the external cylindrical surface of hot water circulation chuck, thus form serpentine waterways.
Guard shield and the annular that the present invention has via hole in the middle of also the comprising groove that connects material; Said guard shield covers on the outside of said inner support frame body; The base of guard shield lower end and said outer support frame body is connected; It is inner that the main shaft of said pneumatic motor gets into guard shield by said via hole, and the guard shield upper end then is positioned at said hot water circulation chuck to the shirt rim that extends below; The connect material outer wall welding of interior circle and said guard shield of groove of said annular, the periphery of said drying table is over against the connect material notch of groove of annular.
In the present invention, the rotating speed of said driving gear unit output makes said drying table 90min～100min rotate a circle.
Overall technology effect of the present invention is embodied in the following aspects.
(1) in the present invention; Quiet commentaries on classics connector element, hot water circulation chuck and be used to place the be dried drying table of powdery single chmical compound explosive and support by the inner support frame body; Quiet commentaries on classics connector element both can slow down the rotary power that the driving gear unit provides back drive drying table and hot water circulation chuck with suitable rotational speed; Simultaneously, can the constant-temperature hot water among the hot water storage tank be offered the hot water circulation chuck again; Drapery panel, material scraping plate and rake glassware are through the radial arrangement of outer support frame body along drying table.When the powdery single chmical compound explosive outputs to the drying table place between drapery panel and material scraping plate by outside feeding machine; Rotation along with drying table; Powder type explosive successively experience shakeout, moisture evaporation, rake pine, the process of moisture evaporation again, scraped material bin until arriving hopper ingress by material scraping plate.The present invention compares with traditional drying process; Have drying process serialization, operation and dry on-the-spot isolated characteristics, therefore, significantly reduced labour intensity; Not only shorten the drying process cycle of powdery single chmical compound explosive, also reduced the energy consumption of drying process simultaneously.
(2) the present invention is controlled at 2mm～5mm with drapery panel apart from the distance of drying table workplace; This just means that the thickness with powder type explosive is thinned to 2mm～5mm by original 50mm～60mm; Can make the moisture rapid evaporation of powder type explosive like this, significantly shorten time of drying, promptly only needs 90min～100min a drying cycle; And after a drying cycle, powdery single chmical compound explosive moisture is smaller or equal to 0.1%.
(3) in the present invention because the thing that is dried is that the powdery single chmical compound explosive is an immobilized with respect to drying table, avoided explosive in moving process because the static that bump and friction produce, so intrinsic safety of the present invention is good.
Description of drawings
Fig. 1 is the composition and the mutual relationship synoptic diagram thereof of continuous drier preferred embodiment.
Fig. 2 is the serpentine waterways synoptic diagram of hot water circulation chuck shown in Figure 1.
Fig. 3 is the unitary connection synoptic diagram of drying operation shown in Fig. 1.
Fig. 4 a, Fig. 4 b are drapery panel master, the vertical views shown in Fig. 3.
Fig. 5 is the rake glassware structural representation shown in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the present invention is made further detailed description.
As shown in Figure 1, the preferred embodiment of continuous drier of the present invention comprises the basic framework unit, drives gear unit, quiet commentaries on classics connector element, heat supply unit and drying operation unit.
The basic framework unit contains outer support frame body 5, inner support frame body 11 and guard shield 10.Outer support frame body 5 contains base, symmetry and is installed in two column frame 5-1 and s crossbeam frame 5-2 on the base, and s crossbeam frame 5-2 is the rectangular frame of ladder formula, and the two ends of its length direction are separately fixed at the top of two column frame 5-1.Inner support frame body 11 is the frameworks that are made up of base, column and top board, and the inner support frame body is positioned at the mid-way of two column frames and over against two crossbeams.Guard shield 10 is the thin-wall barrel of open at both ends, has via hole on its thin-walled.Guard shield 10 covers on inner support frame 11 outsides, and the base of its lower end and outer support frame body 5 is connected.
Drive gear unit and contain pneumatic motor 1, speed reduction unit, transmission shaft and gear 2, pneumatic motor 1 is positioned at outside the guard shield 10, and speed reduction unit is positioned within the guard shield 10 and input terminus and the main shaft that passes the pneumatic motor 1 of guard shield via hole are connected; One end of transmission shaft and the output terminal of speed reduction unit is connected and the other end and gear 2 are connected.
Quiet commentaries on classics connector element contains fluted disc 13, flange 3, axle sleeve 12, water route axle 6, spot contact bearing 14, first valve port, second valve port, first water valve and second water valve.Axle 6 lower ends in water route are provided with first, second axial cylindrical bore and turn up prominent edge; Outside surface is provided with first, second circumferential recess; And two axial cylindrical bore and two circumferential recess correspondence one by one communicate; The top board of turn up prominent edge and the inner support frame body 11 of water route axle 6 is connected corresponding first water valve and second water valve installed of the port of first, second axial cylindrical bore through several bolts.Axle sleeve 12 is the tube structure of open at both ends; Have first, second through hole and corresponding first, second valve port of installing on it; Axle sleeve 12 is enclosed within the upper end of water route axle 6 and forms slip cooperating relationship between the two; Corresponding one by one the communicating of two circumferential recess of first, second valve port and water route axle 6, between the lower port of axle sleeve 12 and the water route axle 6 through the cotton axle envelope that realizes of oil.Spot contact bearing 4 is connected in through screw on the top board of inner support frame body 11, and the inner ring of fluted disc 13 cooperates for rolling with spot contact bearing 14, outer ring tooth portion and gear 2 engagements that drive in the gear unit.Flange 3 has two annular discs that differ in size and many dowels; The two ends of dowel are welded on the periphery of big annular disc and little annular disc respectively; Thereby make flange 3 constitute the inverted cone-shaped structure framework, the little annular disc of flange 3 is connected on the upper surface of fluted disc 13 through screw.Under the driving of pneumatic motor 1, after corresponding the deceleration, the rotating speed of fluted disc 13 is that 90min～100min rotates a circle.
The heat supply unit comprises hot water storage tank's (not shown), hot water circulation chuck 8, the 3rd valve port and the 4th valve port that has temperature controller and water pump.Under the effect of temperature controller, the hot water among the hot water storage tank is constant to remain on 90 ℃～95 ℃.Hot water circulation chuck 8 is flat-shaped toroidal cavity body, and except last annular end face, hot water circulation chuck 8 other outer wall positions all are equipped with thermal insulation layer 8-1, to reduce thermosteresis, guarantees the heat annular end face transmission that makes progress.Hot water circulation chuck 8 is seated on the big annular disc of flange 3, and its bottom periphery is connected with big annular disc and guard shield 10 upper ends are positioned at hot water circulation chuck 8 bottoms to the shirt rim that extends below, and 12 endoporus by hot water circulation chuck 8 of axle sleeve upwards stretch out.Hot water circulation chuck 8 also is equipped with partition panel 8-4 and polylith rectangular thin plate 8-2 and bottom face and is provided with four stiffening web 8-3 (referring to Fig. 2) that are uniformly distributed with; Partition panel 8-4 is installed in the inner chamber of hot water circulation chuck 8 and with annular cavity and cuts off, next-door neighbour's partition panel 8-4 both sides bottom face on also be respectively equipped with the 3rd, fourth hole and corresponding the 3rd, the 4th valve port of installing; The annular width that is shorter in length than hot water circulation chuck 8 of rectangular thin plate 8-2; Highly then the inner chamber height with hot water circulation chuck 8 is identical; The rectangular thin plate 8-2 certain angle of being separated by is placed in the inner chamber of hot water circulation chuck 8; Wherein, the height limit of odd and even number rectangular thin plate 8-2 forms serpentine waterways with the inner cylinder face of hot water circulation chuck 8 and external cylindrical surface welding respectively.Hot water storage tank's water outlet and water-in connect one to one through corresponding water pipe and first water valve, second water valve, and the 3rd, the 4th valve port connects one to one through corresponding water pipe and first valve port and second valve port.When first, second water valve is opened; Under the effect of water pump; Constant-temperature hot water among the hot water storage tank is successively through first cylindrical hole of water route axle 6, first valve port on the axle sleeve 12, the inner chamber that the 3rd valve port on the hot water circulation chuck 8 gets into hot water circulation chuck 8; Flow through behind the serpentine waterways again by getting back among the hot water storage tank behind the 4th valve port on the hot water circulation chuck 8, second cylindrical hole of second valve port, water route axle 6 on the axle sleeve 12, thereby provide powdery single chmical compound explosive moisture evaporation required thermal source for drying installation of the present invention.
According to shown in Figure 3, the drying operation unit contains drying table 16, two circumference link span 15-1 and 15-2, hopper 9, drapery panel 7, material scraping plate 17, two rake glasswares 4 and the annular groove 18 that connects material.Drying table 16 is circular slab construction and the upper surface that is seated in hot water circulation chuck 8, and its centre has the stepped cavity projection, and stepped cavity projection sky is enclosed within axle sleeve 12 upper ends of quiet commentaries on classics connector element and is connected through screw and axle sleeve 12; The workplace size of drying table 16 (being that stepped cavity projection outer end is to circular dull and stereotyped outermost end) is the same basically with the size of hot water circulation chuck 8 annular upper end faces.The s crossbeam frame 5-2 that two circumference link span 15-1,15-2 are connected in outer support frame body 5 with one heart goes up and concentric axis overlaps with the pivot center of drying table 16.Drapery panel 7, rake glassware 4 and material scraping plate 17 are the thin-slab construction body, and the two ends of drapery panel 7 length directions have the flanging (referring to Fig. 4 a, Fig. 4 b) greater than 90 ° of angles; On the long limit of rake glassware 4 stepped tooth being housed is rake teeth (referring to Fig. 5); Material scraping plate 17 is the regular rectangular shape plate.Drapery panel 7, two rake glasswares 4 and material scraping plate 17 all are connected with two circumference link span 15-1,15-2; And four length sides is positioned on the different radii line of drying table 16; Wherein, drapery panel 7 is the neighbour with material scraping plate 17, is uniformly distributed with two rake glasswares 4 between the distally of drapery panel 7 and material scraping plate 17.Hopper 9 is connected on the column frame 5-1 of outer support frame body, and its opening for feed is positioned at drying table 16 periphery belows and corresponding with the position of material scraping plate 17.The connect material outer wall welding of interior circle and guard shield 10 of groove 18 of annular, the periphery of drying table 16 is over against the connect material notch of groove 18 of annular, and its effect is to take in a small amount of powdery single chmical compound explosive that drying table 16 peripheries fall.For the powdery single chmical compound explosive that is dried is paved; Need leave the distance of 2mm～5mm between the nearside of the flanging sensing material scraping plate 17 of drapery panel 7 and the long base end face of drapery panel 7 and drying table 16 workplaces, thereby guarantee that it is 2mm～5mm that the powdery single chmical compound explosive is paved thickness.Because under the effect of hot water circulation chuck 8; The powdery single chmical compound explosive that is layered on drying table 16 workplaces can form crust along with the rapid evaporation of moisture; Thereby need with rake glassware 4 its rake pine; For guaranteeing in the loose process of rake, violent friction or bump not to take place, the rake teeth material of rake glassware 4 is answered type material such as aluminium matter or rigid plastics or resin or urethane, and stays the distance of 0.5～1mm between rake teeth end face and drying table 16 workplaces; Can the powdery single chmical compound explosive rake pine that be dried can be guaranteed to harrow the security of loose process again like this.Distance between the long base end face of material scraping plate 17 and drying table 16 workplaces is zero, all scrapes in the material bin with the powdery single chmical compound explosive after guaranteeing to be dried.
Set forth mechanism of the present invention below in conjunction with the preferred embodiment of the present invention.
After pneumatic motor startup 1 and first, second water valve unlatching; Quiet commentaries on classics connector element drives hot water circulation chuck 8 through the dish 13 of opening one's mouth, and axle 6 is rotated counterclockwise around the water route with drying table 16; When automatic feeding device will contain 5～10% powdery single chmical compound explosive and be added to the A place of dry platform 16; Slow rotation along with drying table 16; The powdery single chmical compound explosive is shakeout on the workplace of drying table 16 through drapery panel 7 time; Meanwhile, through carrying out 90 ℃～95 ℃ hot water circulation between the serpentine waterways in quiet commentaries on classics coupling device and the hot water circulation chuck 8, the heat of hot water circulation chuck 8 is delivered on the workplace of drying table 16 hot water among the hot water storage tank through its upper surface under the effect of water pump; After this; Powdery single chmical compound explosive on the workplace gets into moisture evaporation, crust is harrowed the drying process that loose device is harrowed pine, moisture revaporization again by the first rake glassware rake pine, residual moisture revaporization, crust by second, and when the powdery single chmical compound explosive moved to B with drying table 16, it scraped material scraping plate 17 and get into follow-up cooling and packaging process in the material bin 9 again.Above-mentioned drying process is lasted 90min～100min, and dried its moisture of powdery single chmical compound explosive is smaller or equal to 0.1%.
Claims (4)
1. powdery single chmical compound explosive continuous drier; It is characterized in that: comprise the basic framework unit that contains outer support frame body [5], inner support frame body [11], contain the driving gear unit of pneumatic motor [1], speed reduction unit, quiet commentaries on classics connector element; The heat supply unit, the drying operation unit; Said quiet commentaries on classics connector element contains fluted disc [13], flange [3], axle sleeve [12], water route axle [6], first valve port, second valve port, first water valve and second water valve; Water route axle [6] lower end is provided with two axial cylindrical bore; Outside surface is provided with two circumferential recess; And two axial cylindrical bore and two circumferential recess correspondence one by one communicate; Water route axle [6] lower end is connected in last and corresponding first water valve and second water valve installed of ports two axial cylindrical bore of described inner support frame body [11]; Have first, second through hole and corresponding first, second valve port of installing on the axle sleeve [12]; Axle sleeve [12] lower end is enclosed within upper end and first, second valve port and corresponding one by one the communicating of said two circumferential recess of water route axle [6] with sealing means, fluted disc [13] be connected in through bearing [14] that described inner support frame body [11] is gone up and with gear [2] engagement that drives the gear unit output terminal, flange [3] is connected in fluted disc [13] top; Said heat supply unit comprises 90 ℃～95 ℃ hot water storage tanks, hot water circulation chuck [8], the 3rd valve port and the 4th valve port that has temperature controller and water pump; Hot water circulation chuck [8] is flat-shaped toroidal cavity body; On the sidewall of its annular lower surface, interior circle and cylindrical thermal insulation layer is installed all; Interior circle sky is enclosed within the upper surface that is seated in said flange [3] outside the said axle sleeve [12] and with the mode that is connected; The bottom face of hot water circulation chuck [8] is provided with the 3rd, fourth hole and corresponding the 3rd, the 4th valve port of installing; The inner chamber position of the hot water circulation chuck [8] between next-door neighbour the 3rd, fourth hole is equipped with partition panel [8-4]; Hot water storage tank's water outlet and water-in connect one to one through corresponding water pipe and said first water valve, second water valve, and the 3rd, the 4th valve port connects one to one through corresponding water pipe and said first valve port and second valve port, thereby form the two-way water channel that communicates with hot water circulation chuck [8] inner chamber; Said drying operation unit contains drying table [16], hopper [9], annular link span [15-1,15-2], drapery panel [7], material scraping plate [17] and 1～2 rake glassware [4]; The rake teeth of resilient material is equipped with on one side of rake glassware [4]; Drying table [16] is circular slab construction and the upper surface that is connected in said hot water circulation chuck [8]; Drapery panel [7], material scraping plate [17] and rake glassware [4] all are connected through annular link span [15-1,15-2] and said outer support frame body [5] and along the workplace radial arrangement of drying table [16]; Wherein, drapery panel [7] and material scraping plate [17] are the neighbour, leave the distance of 2mm～5mm between the bottom of drapery panel [7] and the workplace; Be zero distance between the bottom of material scraping plate [17] and the workplace; Stay the distance of 0.5～1.5mm between the rake teeth end of rake glassware [4] and the workplace, hopper [9] is connected on the said outer support frame body [5], and its opening for feed is positioned at drying table [16] periphery below and corresponding with the position of material scraping plate [17].
2. powdery single chmical compound explosive continuous drier according to claim 1; It is characterized in that: said hot water circulation chuck [8] comprises that also polylith rectangular thin plate [8-2] and bottom surface are provided with four stiffening webs [8-3] that are uniformly distributed with; The annular width that is shorter in length than hot water circulation chuck [8] of rectangular thin plate [8-2]; Highly then the inner chamber height with hot water circulation chuck [8] is identical; Rectangular thin plate [8-2] certain angle of being separated by is placed in the inner chamber of hot water circulation chuck [8], wherein, and the welding of the inner cylinder face of the height limit of odd number rectangular thin plate and hot water circulation chuck [8]; The external cylindrical surface welding of the height limit of even number rectangular thin plate and hot water circulation chuck [8], thus serpentine waterways formed.
3. powdery single chmical compound explosive continuous drier according to claim 1 and 2; It is characterized in that: guard shield [10] and the annular that has via hole in the middle of also the comprising groove [18] that connects material; Said guard shield [10] covers on the outside of said inner support frame body [11]; The base of guard shield [10] lower end and said outer support frame body [5] is connected, and the main shaft of said pneumatic motor [1] gets into guard shield [10] inside by said via hole, and guard shield [10] upper end then is positioned at said hot water circulation chuck [8] to the shirt rim that extends below; The connect material outer wall welding of interior circle and said guard shield [10] of groove [18] of said annular, the periphery of said drying table [16] is over against the connect material notch of groove [18] of annular.
4. powdery single chmical compound explosive continuous drier according to claim 3 is characterized in that: the rotating speed of said driving gear unit output makes said drying table [16] 90min～100min rotate a circle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105021716A CN101982446B (en) | 2010-10-09 | 2010-10-09 | Continuous drying device for powdery simple substance explosive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105021716A CN101982446B (en) | 2010-10-09 | 2010-10-09 | Continuous drying device for powdery simple substance explosive |
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| CN101982446A CN101982446A (en) | 2011-03-02 |
| CN101982446B true CN101982446B (en) | 2012-07-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102297576A (en) * | 2011-07-28 | 2011-12-28 | 杭州科力化工设备有限公司 | Horizontal disk type drying machine |
| CN102603436B (en) * | 2011-12-28 | 2014-04-16 | 西安近代化学研究所 | Rotary continuous material raking machine for powdered explosive drying device |
| CN102531809B (en) * | 2011-12-28 | 2013-10-16 | 西安近代化学研究所 | Continuous material discharging device for powdery explosive drying device |
| CN102878788B (en) * | 2012-08-28 | 2015-10-28 | 西安近代化学研究所 | A kind of heat sensitive material vacuum disk continuous drier |
| CN103396270B (en) * | 2013-07-25 | 2016-01-06 | 潍坊龙海民爆有限公司 | Emulsion explosive work in-process distribution device |
| 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 |
| CN106693828B (en) * | 2016-12-29 | 2019-07-02 | 大连洪浰科技有限公司 | A kind of bottom reinforcement structure for autoclave |
| CN114136081B (en) * | 2021-12-10 | 2023-04-28 | 合肥长华科技有限公司 | Drying device with automatic discharging structure for mixed feed production |
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| AT286879B (en) * | 1969-06-19 | 1970-12-28 | Chemie Und Metall Ges M B H Rh | Device for the drainage of granular material |
| CN2054159U (en) * | 1989-01-19 | 1990-03-07 | 卞作民 | Rotary disc type heating dryer |
| CN2473575Y (en) * | 2001-04-25 | 2002-01-23 | 唐井军 | Full automatic hard disc drying box |
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