Porous granular ammonium nitrate explosive production mixing device

Abstract

The utility model discloses a porous granular ammonium nitrate explosive production mixing device, and particularly relates to the field of ammonium nitrate fuel oil explosives, the porous granular ammonium nitrate explosive production mixing device comprises a mixing box, a feeding hole is formed in the top end of the outer wall of the mixing box, and a cleaning mechanism for producing and mixing porous granular ammonium nitrate explosives is arranged in the mixing box; the cleaning mechanism comprises a protection box fixedly mounted at the top end of the outer wall of the mixing box, a motor is fixedly connected to the inner wall of the protection box, a rotating shaft is fixedly connected to an output shaft of the motor through a coupler, a connecting rod is fixedly connected to the outer wall of the rotating shaft, and a fixing block is fixedly connected to one side of the outer wall of the connecting rod. A groove is formed in one side of the outer wall of the fixing block, a cleaning brush is fixedly connected to the outer wall of the groove, a scraping plate is fixedly connected to the outer wall of the groove, and a first stirring rod is fixedly connected to the outer wall of the rotating shaft. According to the utility model, the interior is cleaned in time through the cleaning mechanism, so that residual explosive raw materials in the interior are avoided.

Description

Technical Field

[0001] The utility model relates to the field of ammonium nitrate oil, and more specifically to a production and mixing device for porous granular ammonium nitrate explosives. Background Art

[0002] Ammonium oil oil explosive refers to a powdered or granular explosive mixture composed of ammonium nitrate and fuel. It is mainly suitable for open-air blasting projects and blasting projects without the danger of methane and mine dust explosion. It includes powdered ammonium oil oil explosive, porous granular ammonium oil oil explosive, heavy ammonium oil oil explosive, granular sticky explosive, and thickened granular ammonium oil oil explosive. Different raw materials need to be mixed during the production process.

[0003] After searching, the existing patent (publication number: CN209576543U) discloses a multi-cavity mixing device for safe production of porous granular ammonium oil-fuel explosives, which relates to the technical field of ammonium oil-fuel explosive production, including a first mixing bin, a power supply and a control switch are provided on the lower side of the first mixing bin, a first feed hopper and a second feed hopper are provided on the upper end of the first mixing bin, a second mixing bin is provided on the lower end of the first mixing bin, a horizontal rotating rod is installed for horizontal rotation inside the first mixing bin, and a spiral rotating rod is installed for vertical rotation inside the second mixing bin. The utility model has novel design, simple structure and convenient use. The conveyor belt conveys the material to the collecting hopper, realizes the automatic collection of the material, improves the work efficiency, realizes the automatic mixing and automatic collection process during the mixing process, does not require the operator to stand near the equipment, improves the work safety of the operator, effectively reduces the risk factor of the production workshop, and improves the working conditions of the operator. In the process of realizing the utility model, the inventor found that the prior art has the following problems:

[0004] In the process of using the existing porous granular ammonium nitrate explosive production mixing device, the explosive material is easy to adhere to the inner wall of the mixing box after mixing, which is not convenient to clean the adhered residual explosive in time, and it is easy to cause danger when mixing other explosive materials. Therefore, a cleaning mechanism needs to be installed when the porous granular ammonium nitrate explosive is mixed;

[0005] Therefore, in view of the above problems, a porous granular ammonium nitrate explosive production mixing device is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a porous granular ammonium nitrate explosive production mixing device to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for producing and mixing porous granular ammonium nitrate explosives, comprising a mixing box, a feed port is provided at the top of the outer wall of the mixing box, a cleaning mechanism for producing and mixing porous granular ammonium nitrate explosives is arranged inside the mixing box, the cleaning mechanism comprises a protective box fixedly mounted on the top of the outer wall of the mixing box, a motor is fixedly connected to the inner wall of the protective box, and the output shaft of the motor is fixedly connected to a rotating shaft via a coupling.

[0008] The outer wall of the rotating shaft is fixedly connected to a connecting rod, one side of the outer wall of the connecting rod is fixedly connected to a fixed block, one side of the outer wall of the fixed block is provided with a groove, the outer wall of the groove is fixedly connected to a cleaning brush, the outer wall of the groove is fixedly connected to a scraper, the outer wall of the rotating shaft is fixedly connected to a first stirring rod, and the bottom end of the rotating shaft is fixedly connected to a second stirring rod.

[0009] Preferably, the inner wall of the protection box is fixedly connected with sound-absorbing cotton, and heat dissipation holes are opened on both sides of the outer wall of the protection box.

[0010] Preferably, the first stirring rod is arranged in the middle of the connecting rod, the first stirring rod is designed in a cross shape, and the fixing blocks are designed to be symmetrical with each other with the rotating shaft as the central axis.

[0011] Preferably, a water tank is fixedly connected to the top of the outer wall of the mixing box, a connecting pipe is provided on the outer wall of the water tank, a water pump is fixedly provided on the bottom end of the connecting pipe, a sprinkler head is fixedly provided on one end of the connecting pipe, and the outer wall of the connecting pipe passes through the mixing box.

[0012] Preferably, the outer wall of the cleaning mechanism is provided with a protective mechanism for the production and mixing of porous granular ammonium nitrate explosives, and the protective mechanism includes a glass plate arranged on the outer wall of the cleaning mechanism, the outer wall of the glass plate is fixedly connected with an antistatic PVC plate, and the outer wall of the antistatic PVC plate is fixedly connected with a nylon plate.

[0013] Preferably, the glass plate is made of an antistatic acrylic plate, and the size of the protective mechanism matches the size of the outer wall of the cleaning mechanism.

[0014] Preferably, the inner wall of the mixing box is provided with an inclined plate, the bottom end of the mixing box is provided with a discharge pipe, the outer wall of the mixing box is provided with a box door, the outer wall of the box door is provided with a viewing port, the outer wall of the box door is fixedly installed with a control panel, and the bottom end of the mixing box is fixedly installed with a base.

[0015] Technical effects and advantages of the utility model:

[0016] Compared with the prior art, the porous granular ammonium nitrate explosive production mixing device uses a protective box, a rotating shaft, a connecting rod, a fixed block, a cleaning brush, a scraper, a first stirring rod and a second stirring rod in coordination with each other. The interior is cleaned in time through a cleaning mechanism to avoid residual explosive raw materials inside that affect the next mixing, so that the materials at the double bottom are stirred and mixed to avoid precipitation of the bottom materials.

[0017] Compared with the prior art, the porous granular ammonium nitrate explosive production mixing device uses glass plates, antistatic PVC plates and nylon plates in coordination with each other, so that the protective mechanism plays an antistatic role, avoids friction and fire between the metal stirring rod and the explosive, and makes the material mixing process safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front cross-sectional view of the utility model.

[0019] Figure 2 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0020] Figure 3 It is a schematic diagram of the cleaning mechanism structure of the utility model.

[0021] Figure 4 It is a schematic diagram of the structure of the protection mechanism of the utility model.

[0022] The accompanying drawings are marked as follows: 1. mixing box; 2. feed port; 3. cleaning mechanism; 301. protection box; 3011. sound-absorbing cotton; 3012. heat dissipation hole; 302. motor; 303. rotating shaft; 304. connecting rod; 305. fixing block; 306. cleaning brush; 307. scraper; 308. first stirring rod; 309. second stirring rod; 4. water tank; 5. connecting pipe; 6. water pump; 7. sprinkler head; 8. protection mechanism; 801. glass plate; 802. antistatic PVC plate; 803. nylon plate; 9. tilting plate; 10. discharge pipe; 11. box door; 12. viewing port; 13. control panel; 14. base. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0024] As attached Figure 1 and Figure 3A porous granular ammonium nitrate explosive production mixing device shown includes a mixing box 1, a feed port 2 is opened at the top of the outer wall of the mixing box 1, and a cleaning mechanism 3 for the production and mixing of porous granular ammonium nitrate explosives is arranged inside the mixing box 1. The cleaning mechanism 3 includes a protective box 301 fixedly installed on the top of the outer wall of the mixing box 1, and a motor 302 is fixedly connected to the inner wall of the protective box 301, and the output shaft of the motor 302 is fixedly connected to the rotating shaft 303 through a coupling.

[0025] The outer wall of the rotating shaft 303 is fixedly connected to a connecting rod 304, one side of the outer wall of the connecting rod 304 is fixedly connected to a fixed block 305, one side of the outer wall of the fixed block 305 is provided with a groove, the outer wall of the groove is fixedly connected to a cleaning brush 306, the outer wall of the groove is fixedly connected to a scraper 307, the outer wall of the rotating shaft 303 is fixedly connected to a first stirring rod 308, the bottom end of the rotating shaft 303 is fixedly connected to a second stirring rod 309, the inner wall of the protective box 301 is fixedly connected to sound-absorbing cotton 3011, and heat dissipation holes 3012 are provided on both sides of the outer wall of the protective box 301, the first stirring rod 308 is arranged in the middle of the connecting rod 304, the first stirring rod 308 is cross-shaped, and the fixed block 305 is symmetrically designed with the rotating shaft 303 as the central axis.

[0026] Among them: when the protection box 301 is in use, the noise generated inside is reduced and the heat is dissipated inside, so that the first stirring rod 308 can evenly stir the explosive material, and the fixed block 305 rotates in contact with the inner wall of the mixing box 1. Example

[0027] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0028] As a preferred embodiment, a water tank 4 is fixedly connected to the top of the outer wall of the mixing box 1, a connecting pipe 5 is provided on the outer wall of the water tank 4, a water pump 6 is fixedly provided on the bottom end of the connecting pipe 5, a spray head 7 is fixedly provided on one end of the connecting pipe 5, and the outer wall of the connecting pipe 5 passes through the mixing box 1; further, the water pump 6 is started so that the water pump 6 drives the water in the water tank 4 to spray and rinse the interior of the mixing box 1.

[0029] As a preferred embodiment, the outer wall of the cleaning mechanism 3 is provided with a protective mechanism 8 for the production and mixing of porous granular ammonium nitrate explosives, and the protective mechanism 8 includes a glass plate 801 arranged on the outer wall of the cleaning mechanism 3, and the outer wall of the glass plate 801 is fixedly connected with an antistatic PVC plate 802, and the outer wall of the antistatic PVC plate 802 is fixedly connected with a nylon plate 803; further, when the explosive materials are mixed and used, the friction between the metal stirring rod and the explosive can be effectively avoided to cause fire, making the mixing safer.

[0030] As a preferred embodiment, the glass plate 801 is made of an antistatic acrylic plate, and the size of the protective mechanism 8 is consistent with the outer wall size of the cleaning mechanism 3; further, the glass plate 801 and the protective mechanism 8 can avoid the occurrence of static electricity during the mixing process.

[0031] As a preferred embodiment, the inner wall of the mixing box 1 is provided with an inclined plate 9, the bottom end of the mixing box 1 is provided with a discharge pipe 10, the outer wall of the mixing box 1 is provided with a box door 11, the outer wall of the box door 11 is provided with a viewing port 12, the outer wall of the box door 11 is fixedly provided with a control panel 13, and the bottom end of the mixing box 1 is fixedly provided with a base 14; further, the mixing situation inside the mixing box 1 can be viewed through the viewing port 12, so that the base 14 is more stable during mixing.

[0032] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0033] The working process of the utility model is as follows:

[0034] The explosive raw materials to be mixed are poured into the mixing box 1 through the feed port 2. Before pouring the materials, the motor 302 is started, so that the motor 302 drives the rotating shaft 303 and the first stirring rod 308 to rotate clockwise, so that the connecting rod 304 drives the fixed block 305 to rotate accordingly, so that the cleaning brush 306 and the scraper 307 brush and scrape the inner wall of the mixing box 1 first, so that the second stirring rod 309 stirs the materials at the bottom to prevent the bottom materials from settling. After the mixing is completed, the materials are discharged through the discharge pipe 10, and the water pump 6 is started, so that the water pump 6 drives the water in the water tank 4 to spray and rinse the inside of the mixing box 1. During the spraying process, the cleaning brush 306 and the scraper 307 clean the inside clockwise to prevent the residual explosive raw materials from affecting the next mixing; during the stirring process of the explosive material, the cleaning mechanism 3 plays an anti-static role through the glass plate 801, the anti-static PVC plate 802 and the nylon plate 803, so as to prevent the metal stirring rod from rubbing and catching fire with the explosive, so as to make the mixing process safer.

[0035] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A mixing device for producing porous granular ammonium nitrate explosives, comprising a mixing box (1), characterized in that: The top of the outer wall of the mixing box (1) is provided with a feed port (2), and the interior of the mixing box (1) is provided with a cleaning mechanism (3) for mixing the porous granular ammonium nitrate explosive during production, the cleaning mechanism (3) comprising a protection box (301) fixedly mounted on the top of the outer wall of the mixing box (1), a motor (302) fixedly connected to the inner wall of the protection box (301), and an output shaft of the motor (302) fixedly connected to a rotating shaft (303) via a coupling; The outer wall of the rotating shaft (303) is fixedly connected to a connecting rod (304), one side of the outer wall of the connecting rod (304) is fixedly connected to a fixing block (305), one side of the outer wall of the fixing block (305) is provided with a groove, the outer wall of the groove is fixedly connected to a cleaning brush (306), the outer wall of the groove is fixedly connected to a scraper (307), the outer wall of the rotating shaft (303) is fixedly connected to a first stirring rod (308), and the bottom end of the rotating shaft (303) is fixedly connected to a second stirring rod (309).

2. A porous granular ammonium nitrate explosive production mixing device according to claim 1, characterized in that: The inner wall of the protection box (301) is fixedly connected with sound-absorbing cotton (3011), and heat dissipation holes (3012) are provided on both sides of the outer wall of the protection box (301).

3. A porous granular ammonium nitrate explosive production mixing device according to claim 1, characterized in that: The first stirring rod (308) is arranged in the middle of the connecting rod (304), the first stirring rod (308) is designed in a cross shape, and the fixing blocks (305) are designed to be symmetrical with each other with the rotating shaft (303) as the central axis.

4. A porous granular ammonium nitrate explosive production mixing device according to claim 1, characterized in that: The top end of the outer wall of the mixing box (1) is fixedly connected to a water tank (4), the outer wall of the water tank (4) is provided with a connecting pipe (5), the bottom end of the connecting pipe (5) is fixedly provided with a water pump (6), one end of the connecting pipe (5) is fixedly provided with a spray head (7), and the outer wall of the connecting pipe (5) passes through the mixing box (1).

5. A porous granular ammonium nitrate explosive production mixing device according to claim 1, characterized in that: The outer wall of the cleaning mechanism (3) is provided with a protective mechanism (8) for production and mixing of porous granular ammonium nitrate explosives, the protective mechanism (8) comprising a glass plate (801) arranged on the outer wall of the cleaning mechanism (3), the outer wall of the glass plate (801) being fixedly connected to an antistatic PVC plate (802), and the outer wall of the antistatic PVC plate (802) being fixedly connected to a nylon plate (803).

6. A porous granular ammonium nitrate explosive production mixing device according to claim 5, characterized in that: The glass plate (801) is made of an antistatic acrylic plate, and the size of the protective mechanism (8) matches the size of the outer wall of the cleaning mechanism (3).

7. A porous granular ammonium nitrate explosive production mixing device according to claim 1, characterized in that: The inner wall of the mixing box (1) is provided with an inclined plate (9), the bottom end of the mixing box (1) is provided with a feeding pipe (10), the outer wall of the mixing box (1) is provided with a box door (11), the outer wall of the box door (11) is provided with a viewing port (12), the outer wall of the box door (11) is fixedly mounted with a control panel (13), and the bottom end of the mixing box (1) is fixedly mounted with a base (14).

Images