阅读说明：本技术 一种用于***生产的药粉除杂分类设备 (A powder edulcoration sorting equipment for explosive production ) 是由 张秀战 唐阳光 粟春燕 于 2019-10-24 设计创作，主要内容包括：本发明公布了一种用于炸药生产的药粉除杂分类设备,它包括设置在顶部用于投放炸药药粉的送料板,送料板下方设置有振动筛板；振动筛板倾斜设置,其较低端通过铰接悬臂活动设置在粗选分离槽上方；振动筛正下方设置有磁选装置,磁选装置包括驱动轮、传动轮和套设在这两者上面的磁选分离带；本发明能准确对炸药药粉内的水分、大颗粒砂石,玻璃碎片和金属铁渣等杂质进行分离除杂,装置可进行连续化除杂分离,运转起来高效可靠。(The invention discloses a powder impurity removal and classification device for explosive production, which comprises a feeding plate arranged at the top for feeding explosive powder, wherein a vibrating sieve plate is arranged below the feeding plate; the vibrating sieve plate is obliquely arranged, and the lower end of the vibrating sieve plate is movably arranged above the roughing separation tank through a hinged cantilever; a magnetic separation device is arranged right below the vibrating screen and comprises a driving wheel, a driving wheel and a magnetic separation belt sleeved on the driving wheel and the driving wheel; the device can accurately separate and remove impurities such as moisture, large-particle sand, glass fragments, metal iron slag and the like in explosive powder, can continuously remove impurities and separate, and is efficient and reliable in operation.)

1. The impurity removal and classification equipment for the powder for explosive production is characterized by comprising a feeding plate (1) which is arranged at the top and used for putting explosive powder (16), wherein a vibrating screen plate (3) is arranged below the feeding plate (1); the vibrating sieve plate (3) is obliquely arranged, and the lower end of the vibrating sieve plate is movably arranged above the roughing separation tank (9) through a hinged cantilever (8); a magnetic separation device (10) is arranged right below the vibrating sieve plate (3), and the magnetic separation device (10) comprises a driving wheel (14), a driving wheel (15) and a magnetic separation belt (13) sleeved on the driving wheel and the driving wheel; the wheel diameter of the driving wheel (14) is larger than that of the driving wheel (15), the bottoms of the driving wheel and the driving wheel are flush, and the upper surface of the magnetic separation belt (13) inclines from one side close to the driving wheel (14) to one side close to the driving wheel (15); one side of the magnetic separation device (10) close to the driving wheel (14) is a slag dropping end (12), one side close to the driving wheel (15) is a blanking end (11), and explosive powder (16) firstly passes through the blanking end (11) and then passes through the slag dropping end (12) after falling on the magnetic separation belt (13); a magnet (17) is arranged on one side, close to the blanking end (11), of the magnetic separation device (10) in the magnetic separation belt (13); a transmission belt device (18) is arranged below the blanking end (11), and an iron impurity separation tank (20) is arranged below the slag blanking end (12).

2. The impurity removal and classification equipment for the powder medicine for explosive production according to claim 1 is characterized in that a drying fan (2) is arranged obliquely above the vibrating screen plate (3), and an air supply outlet of the drying fan (2) faces to the front face of the vibrating screen plate (3).

3. The impurity-removing and classifying equipment for the powder medicine for explosive production according to claim 1, wherein the magnetic separation belt (12) is provided with a scraper (19) outside the slag falling end (12).

4. The impurity removing and classifying device for the powder medicine for explosive production according to claim 1, wherein guide blocks (21) for guiding the falling direction of the concentrated explosive powder (16) are arranged on two sides above the transmission belt device (18).

5. The impurity removal and classification equipment for the powder medicine for explosive production according to claim 1, wherein the higher end of the vibrating sieve plate (3) is arranged on a crank-link mechanism (6) through a connecting arm (7) to realize reciprocating vibration.

6. The impurity removal and classification equipment for the powder medicine for explosive production according to claim 1, wherein the upper surface of the vibrating sieve plate (3) is provided with a raised buffer zone (4); the buffer belt (4) is a belt-shaped lath with a convex upper part and a lower part attached to the upper surface of the vibrating screen plate (3).

Technical Field

The invention belongs to the field of explosive production and processing devices, and particularly relates to impurity removal and classification equipment for powder for explosive production.

Background

At present, the production process of the domestic molding powder explosive mainly adopts a water suspension granulation process, and the drying process adopts hot air drying, so that impurities such as water, iron impurities, sand, glass fragments and the like are easily brought in the preparation process. The introduction of iron impurities in the explosive can directly influence the explosive pressing accidents caused by the sparks generated by friction in the explosive pressing process of detonator manufacturers and petroleum perforating bullet manufacturers using molding powder explosives, thereby bringing huge economic loss and potential safety hazards to manufacturers and workers; meanwhile, the explosive contains part of impurities such as wood chips, paper scraps, cotton wool and the like, and the free-running property of the explosive can be directly influenced.

Disclosure of Invention

The invention aims to solve the problems, and provides a powder impurity removal and classification device for explosive production, which can accurately distinguish and classify dust, molding sand, metal iron slag and pellet materials in the pellet slag, is simple and reliable in device operation, can further recycle and recycle the separated mixture, and is more economic and environment-friendly.

In order to realize the purpose, the invention adopts the technical scheme that: a powder impurity removal and classification device for explosive production comprises a feeding plate arranged at the top for feeding explosive powder, wherein a vibrating screen plate is arranged below the feeding plate; the vibrating sieve plate is obliquely arranged, and the lower end of the vibrating sieve plate is movably arranged above the roughing separation tank through a hinged cantilever; a magnetic separation device is arranged under the vibrating screen plate and comprises a driving wheel, a driving wheel and a magnetic separation belt sleeved on the driving wheel and the driving wheel; the wheel diameter of the driving wheel is larger than that of the driving wheel, the bottoms of the driving wheel and the driving wheel are flush, and the upper surface of the magnetic separation belt is inclined from one side close to the driving wheel to one side close to the driving wheel; one side of the magnetic separation device, which is close to the driving wheel, is a slag dropping end, and one side of the magnetic separation device, which is close to the driving wheel, is a blanking end, and explosive powder firstly passes through the blanking end and then passes through the slag dropping end after falling on the magnetic separation belt; the magnetic separation device is provided with a magnet at one side of the inner part of the magnetic separation belt, which is close to the blanking end; a transmission belt device is arranged below the blanking end, and an iron impurity separation tank is arranged below the slag blanking end.

Furthermore, a drying fan is arranged above the vibrating screen plate in an inclined mode, and an air supply outlet of the drying fan faces the front face of the vibrating screen plate.

Furthermore, a scraper is arranged on the outer side of the slag falling end of the magnetic separation belt.

Furthermore, guide blocks for guiding the falling direction of the concentrated explosive powder are arranged on two sides above the driving belt device.

Furthermore, the higher end of the vibrating screen plate is arranged on the crank-link mechanism through a connecting arm to realize reciprocating vibration.

Furthermore, a raised buffer zone is arranged on the upper surface of the vibrating screen plate; the buffer zone is a strip-shaped lath with a convex upper part and a lower part attached to the upper surface of the vibrating screen plate.

The invention has the beneficial effects that:

1. according to the device, impurities such as moisture, iron impurities, large-particle gravel fragments and the like in explosive powder are gradually and efficiently removed through the vibrating sieve plate and the magnetic separation device and the drying fan, and the impurities fall into the corresponding collecting tanks respectively, so that impurity removal operation is performed, and further analysis on the content and components of the impurities by subsequent workers is facilitated.

2. The vibrating sieve plate in the device is driven to operate by matching the crank-link mechanism with the hinged cantilever, so that the effects of reciprocating vibration and slight throwing of explosive powder from top to bottom can be realized, the explosive powder is uniformly dehumidified by the drying fan in the process, the explosive powder is quickly and efficiently sieved, and the efficiency of removing moisture impurities and large-particle impurities is improved.

3. The arrangement of the buffer zone in the device can avoid the situation that explosive powder slides into the roughing separation tank before being sorted on the vibrating sieve plate, and can further spread the explosive powder evenly, thereby improving the efficiency of impurity removal and sorting.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention.

In the figure: 1. a feeding plate; 2. a drying fan; 3. vibrating the sieve plate; 4. a buffer zone; 5. a baffle plate; 6. a crank link mechanism; 7. a connecting arm; 8. a hinged cantilever; 9. a roughing separation tank; 10. a magnetic separation device; 11. a blanking end; 12. a slag falling end; 13. a magnetic separation zone; 14. a drive wheel; 15. a driving wheel; 16. explosive powder; 17. a magnet; 18. a driving belt device; 19. a squeegee; 20. an iron impurity separation tank; 21. a guide block; 201. an air supply outlet.

Detailed description of the invention

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1, the specific structure of the present invention is: a powder impurity removal and classification device for explosive production comprises a feeding plate 1 arranged at the top for putting explosive powder 16, and a vibrating screen plate 3 is arranged below the feeding plate 1; the vibrating sieve plate 3 is obliquely arranged, and the lower end of the vibrating sieve plate is movably arranged above the roughing separation tank 9 through a hinged cantilever 8; a magnetic separation device 10 is arranged under the vibrating sieve plate 3, and the magnetic separation device 10 comprises a driving wheel 14, a driving wheel 15 and a magnetic separation belt 13 sleeved on the driving wheel and the driving wheel; the wheel diameter of the driving wheel 14 is larger than that of the driving wheel 15, the bottoms of the driving wheel and the driving wheel are flush, and the upper surface of the magnetic separation belt 13 inclines from one side close to the driving wheel 14 to one side close to the driving wheel 15; the side of the magnetic separation device 10 close to the driving wheel 14 is a slag dropping end 12, the side close to the driving wheel 15 is a blanking end 11, and explosive powder 16 falls on the magnetic separation belt 13, passes through the blanking end 11 and then passes through the slag dropping end 12; the magnetic separation device 10 is provided with a magnet 17 at one side close to the blanking end 11 in the magnetic separation belt 13; a driving belt device 18 is arranged below the blanking end 11, and an iron impurity separation groove 20 is arranged below the slag blanking end 12.

In order to further remove moisture in the explosive powder 16, a drying fan 2 is arranged obliquely above the vibrating screen plate 3, and an air supply outlet of the drying fan 2 faces the front face of the vibrating screen plate 3.

In order to ensure that the iron impurities all fall into the iron impurity separation tank 20 when passing through the slag falling end 12 of the magnetic separation device 10, the magnetic separation belt 12 is provided with a scraper 19 outside the slag falling end 12.

Preferably, guide blocks 21 for guiding the falling direction of the concentrated explosive powder 16 are arranged on both sides above the belt device 18.

Preferably, the higher end of the vibrating screen plate 3 is arranged on the crank-link mechanism 6 through a connecting arm 7 to realize reciprocating vibration.

In order to enable the explosive powder 16 to stay on the vibrating screen plate 3 for a longer time and spread out uniformly, the upper surface of the vibrating screen plate 3 is provided with a convex buffer zone 4; the buffer belt 4 is a belt-shaped lath with a convex upper part and a lower part attached to the upper surface of the vibrating screen plate 3.

When the device works, explosive powder falls on the vibrating sieve plate through the feeding plate, and dry hot air is continuously blown through the drying fan to remove moisture and impurities in the explosive powder; then, the explosive powder with smaller size is sieved and falls onto a magnetic separation belt by continuously shaking the vibrating sieve plate in a left-right and up-down reciprocating manner; the coarse-sorting sand and stone particles with larger sizes fall into the coarse-sorting separation tank through the tail end of the vibrating sieve plate; finally, separating iron impurities from the explosive powder by a magnetic separation device; so far, the main impurities in the explosive powder are separated.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments a of the present invention are explained herein using specific examples, which are merely provided to assist in understanding the method and its core ideas of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.