阅读说明：本技术 散装乳化炸药乳胶基质输送泵 (Emulsion matrix delivery pump for bulk emulsion explosive ) 是由 唐秀永 段海霞 陶东波 于 2021-01-18 设计创作，主要内容包括：本发明公开一种散装乳化炸药乳胶基质输送泵,涉及散装乳化炸药现场混制和输送设备领域,主要包括泵吸入接头、入口端泵支座、泵头、缸体、出口外壳、拉杆、喉管螺母、活塞、马达、马达支座,该泵结构简单、安全可靠、不易破乳、空转无温升、计量准确、生产的炸药质量稳定、操作和维护方便、维修成本低。(The invention discloses a bulk emulsion explosive emulsion matrix delivery pump, which relates to the field of bulk emulsion explosive field mixing and delivery equipment and mainly comprises a pump suction joint, an inlet end pump support, a pump head, a cylinder body, an outlet shell, a pull rod, a choke nut, a piston, a motor and a motor support.)

1. A bulk emulsion explosive emulsion matrix delivery pump comprises a pump suction joint (1), an inlet end pump support (2), a pump head (3), an outer cylinder (4), an outlet shell (5), a cylinder body pull rod (8), a throat pipe nut (6), a piston rod (7), a matrix pump U-shaped clamp (9), a power end U-shaped clamp (11), a motor end foot rest (16), a motor support frame (17), a motor (18), a motor pull rod (19), a connecting nut (13), a connecting rod (12), a U-shaped clamping plate (10), a sealing ring (33), a wear-resisting ring (32), a sealing ring (31), a wear-resisting sealing ring (30), a sensitizer pump rotating pin (14), a catalyst pump rotating pin (15), a piston rod left locking head (29), a piston rod cylinder (28), a piston rod right locking head (27), a piston bolt cushion cylinder (22), an upper ball (24), a piston seat (23), a catalyst pump, Piston ring (25), piston fixer (26), next ball backing pin (21), next ball (20), piston (34), its characterized in that: the pump suction connector (1) and the pump head (3) are welded into a whole in a butt welding mode, inner rabbets at two ends of the outer cylinder (4) are respectively sleeved on the outer rabbets of the pump suction connector (1) and the outlet shell (5), the pump suction connector (1) and the outlet shell (5) are tensioned through the cylinder body pull rod (8) and the outer cylinder (4) is clamped, and the motor (18) is connected with the outer cylinder (4) through the motor support frame (17) by the motor pull rod (19).

2. The bulk emulsion explosive emulsion matrix transfer pump of claim 1, wherein: a left water inlet and a right water inlet are welded on the pump suction joint (1), a flange at the end part of the pump suction joint is connected with the inlet end pump support (2) through a bolt, and a motor end foot rest (16) is connected with a motor support frame (17) through a bolt.

3. The bulk emulsion explosive emulsion matrix transfer pump of claim 1, wherein: the pump head (3) is internally welded with a lower ball stop pin (21), the end part of the pump head is provided with a feeding ball hole matched with the lower ball (20), and the lower ball (20) can move up and down in a limiting area formed by the lower ball stop pin (21) to realize the opening and closing of the lower feeding ball hole.

4. The bulk emulsion explosive emulsion matrix transfer pump of claim 1, wherein: the piston (34) is formed by welding a piston rod (7), a left piston rod lock head (29), a piston rod cylinder (28) and a right piston rod lock head (27), the right piston rod lock head (27) is hung in the cylinder body through a bolt and a piston bolt cushion cylinder (22), an upper ball (24) is arranged in the piston head and can move up and down in a limiting area formed by the piston bolt cushion cylinder (22), the opening and closing of a feeding ball hole are realized, the piston head is formed by sleeving a piston seat (23), a piston ring (25) and a piston fixer (26), a wear-resistant sealing ring (30) is arranged on the piston head, and the piston (34) divides the cylinder body into a lower cavity (36) and an upper cavity (35).

5. The bulk emulsion explosive emulsion matrix transfer pump of claim 1, wherein: the outer part of the throat pipe nut (6) is provided with threads and is fixedly connected with the outlet shell (5), a plurality of annular grooves are formed in the throat pipe nut, a sealing ring (33), a wear-resistant ring (32) and a sealing ring (31) are arranged in the throat pipe nut, one end of a connecting rod (12) of the motor (18) is connected with the piston rod (7) through a sensitizing agent pump rotating pin (14), a catalyst pump rotating pin (15), a matrix pump U-shaped clamp (9) and a power end U-shaped clamp (11), and the other end of the connecting rod is connected with the motor (18) through a connecting nut.

Technical Field

The invention relates to a field mixing and conveying device for bulk emulsion explosives, in particular to a bulk emulsion explosive emulsion matrix conveying pump.

Background

At present, two blasting modes of the packaged emulsion explosive blasting and the bulk emulsion explosive blasting exist in China, the packaged emulsion explosive is high in cost, inconvenient and unsafe to produce, store and transport, and easy to pollute the environment during blasting, and the bulk emulsion explosive is safe, environment-friendly and low in cost and is strongly supported by national policies, but the usage ratio of the bulk emulsion explosive in China in the total usage amount of the explosive is not more than 30% every year, while the usage ratio of the bulk emulsion explosive in developed countries in Europe and America is more than 90%, so that the low usage ratio of the bulk emulsion explosive in China is mainly caused by the fact that the field mixing production process and the transportation technology of the bulk emulsion explosive are lagged.

In addition, at present, more than 3 thousands of mining enterprises exist in China, the mining modes of the mining enterprises mainly adopt open-air packaged emulsion explosive blasting, dust and noise generated by the blasting modes are particularly serious to environmental pollution, the national policy leads and supports the mining enterprises to gradually change from open-air blasting to underground blasting, and simultaneously with the vigorous investment of national infrastructure construction and highway, railway and tunnel construction, the market demands of mixed bulk emulsion explosives and blasting mechanical charging equipment in underground, tunnel and roadway fields become obvious day by day.

At present, equipment for mixing bulk emulsion explosives in underground, tunnel and roadway fields and conveying the bulk emulsion explosives to blast holes is completed by a screw pump and a peristaltic pump, namely, when an emulsion matrix is conveyed by the screw pump, a sensitizing agent is added into an emulsion matrix conveying pipeline by the peristaltic pump and is mixed, and then the mixture is conveyed to the blast holes to form the bulk emulsion explosives for blasting

The prior art scheme has the following defects: when the screw pump rotates to convey the latex matrix, the latex matrix is extruded out of the cavity by virtue of interference fit of the rotor and the stator, the rotor is directly contacted with the stator, the rotor and the stator are greatly abraded, the rotor and the stator are generally required to be replaced once a year, and the maintenance cost is very high; the flow measurement is carried out by controlling the rotating speed of the screw pump, and the measurement is inaccurate; when the emulsion matrix is extruded out of the cavity by the interference fit of the rotor and the stator, the emulsion matrix is subjected to large shearing force, the emulsion matrix is seriously damaged, the temperature rise is fast, the emulsion breaking and crystallization are started after the emulsion matrix is pumped for 3 times repeatedly, and the explosive performance is seriously influenced; when the outlet is blocked or the feeding is not smooth, the screw pump repeatedly rubs the materials in the cavity, so that safety accidents are easily caused; when no material exists, the rotor and the stator are repeatedly rubbed, the temperature rise can reach more than 100 ℃ within 5 minutes, the safety risk is extremely high, and 20 detonation accidents happen only in the civil explosion industry, almost every year.

Disclosure of Invention

The invention aims to overcome the defects of high abrasion speed of a rotor and a stator of a screw pump, high possibility of demulsification, high idling temperature rise and inaccurate metering in the process of conveying emulsion matrixes in the prior art, and provides a bulk emulsion explosive emulsion matrix conveying pump which is simple in structure, safe, reliable, difficult in demulsification, free of idling and temperature rise and accurate in metering, and comprises a pump suction joint 1, an inlet end pump support 2, a pump head 3, an outer cylinder 4, an outlet shell 5, a cylinder body pull rod 8, a throat pipe nut 6, a piston rod 7, a matrix pump U-shaped clamp 9, a power end U-shaped clamp 11, a motor end foot rest 16, a motor support frame 17, a motor 18, a motor pull rod 19, a connecting nut 13, a connecting rod 12, a U-shaped clamp plate 10, a sealing ring 33, a wear-resistant ring 32, a sealing ring 31, a wear-resistant sealing ring 30, a sensitizer pump rotating pin 14, a catalyst pump, The pump suction joint 1 and the pump head 3 are welded into a whole in a butt welding mode, inner rabbets at two ends of the outer cylinder 4 are respectively sleeved on the outer rabbets of the pump suction joint 1 and the outlet shell 5, the pump suction joint 1 and the outlet shell 5 are tensioned through a cylinder body pull rod 8 and the outer cylinder 4 is clamped, and the motor 18 is connected with the outer cylinder 4 through a motor support frame 17 and a motor pull rod 19 through the motor 18.

Furthermore, a left water inlet and a right water inlet are welded on the pump suction joint 1, the end flange of the pump suction joint is connected with the inlet end pump support 2 through a bolt, and the motor end foot rest 16 is connected with the motor support frame 17 through a bolt.

Furthermore, a lower ball stop pin 21 is welded in the pump head 3, a feeding ball hole matched with the lower ball 20 is formed in the end part, and the lower ball 20 can move up and down in a limiting area formed by the lower ball stop pin 21, so that the opening and closing of the lower feeding ball hole are realized.

Further, the piston 34 is formed by welding a piston rod 7, a piston rod left lock 29, a piston rod cylinder 28 and a piston rod right lock 27 in a splicing manner, the piston head is hung in the cylinder body through a bolt and a piston bolt cushion cylinder 22 by the piston rod right lock 27, an upper ball 24 is arranged in the piston head and can move up and down in a limiting area formed by the piston bolt cushion cylinder 22 to realize opening and closing of an upper feeding ball hole, the piston head is formed by sleeving a piston seat 23, a piston ring 25 and a piston fixer 26, a wear-resistant sealing ring 30 is arranged on the piston head, and the piston 34 divides the cylinder body into a lower cavity 36 and an upper cavity 35.

Furthermore, the outer part of the throat nut 6 is provided with threads to be connected and fixed with the outlet shell 5, a plurality of annular grooves are arranged in the throat nut, a sealing ring 33, a wear-resistant ring 32 and a sealing ring 31 are arranged in the throat nut, one end of a connecting rod 12 of the motor 18 is connected with the piston rod 7 through a sensitizer pump rotating pin 14, a catalyst pump rotating pin 15, a substrate pump U-shaped clamp 9 and a power end U-shaped clamp 11, and the other end of the connecting rod is connected with the motor 18 through a connecting nut 13.

The working principle of the invention is as follows: when the matrix pump is driven by the reciprocating motor, the piston of the matrix pump makes reciprocating linear motion, when the piston rod moves upwards, the spherical hole of the piston seat 23 clings to the upper ball 24 to move upwards together, the lower cavity 36 forms negative pressure, the lower ball 20 moves upwards, the latex matrix enters the lower cavity 36 from the spherical hole in the pump head 3, and meanwhile, the latex matrix stored in the upper cavity 35 is discharged from the outlet of the outlet shell 5 by the piston seat 23 moving upwards; when the piston rod moves downwards, the upper ball 24 on the spherical hole of the piston seat 23 is pushed away by the latex matrix in the lower cavity 36, the latex matrix enters the upper cavity 35 and is discharged from the outlet of the outlet housing 5, and the latex matrix is continuously discharged in a reciprocating and circulating motion.

The invention has the following advantages:

1. according to the invention, high pressure is generated through interference fit of the piston and the cylinder body, the plunger does not directly contact with explosive, repeated friction and heat accumulation are avoided, and demulsification is not easy to occur.

2. The invention can realize continuous discharge of the latex matrix in the reciprocating motion of the pump, so that the latex matrix can be accurately metered.

3. The invention has simple structure, convenient operation and easy realization of automatic production.

Drawings

FIG. 1 is a front elevation view of a bulk emulsion explosive emulsion matrix delivery pump

1-pump suction joint, 2-inlet end pump support, 3-pump head, 4-outer cylinder, 5-outlet shell, 8-cylinder body pull rod, 6-throat pipe nut, 7-piston rod, 9-matrix pump U-shaped clamp, 11-power end U-shaped clamp, 16-motor end foot rest, 17-motor support frame, 18-motor and 19-motor pull rod.

FIG. 2 is a sectional view of a bulk emulsion explosive emulsion matrix delivery pump

13-connecting nut, 12-connecting rod, 10-U-shaped clamping plate, 33-sealing ring, 32-wear-resistant ring, 31-sealing ring, 30-wear-resistant sealing ring, 14-sensitizer pump rotating pin, 15-catalyst pump rotating pin, 29-piston rod left lock, 28-piston rod cylinder, 27-piston rod right lock, 22-piston bolt cushion cylinder, 24-upper ball, 23-piston seat, 25-piston ring, 26-piston fixer, 21-lower ball baffle pin, 20-lower ball, 34 piston, 35-upper cavity and 36-lower cavity.

Detailed Description

The following further describes a specific embodiment of the present invention with reference to an example, but the present invention is not limited thereto.

1. Referring to fig. 1, a pump suction connector 1 and a pump head 3 are butt welded into a whole, inner rabbets at two ends of an outer cylinder 4 are respectively sleeved on outer rabbets of the pump suction connector 1 and an outlet housing 5, the pump suction connector 1 and the outlet housing 5 are tensioned through a cylinder body pull rod 8 and the outer cylinder 4 is clamped, and a motor 18 is connected with the outer cylinder 4 through a motor support frame 17 and a motor pull rod 19.

2. Referring to fig. 1, a pump suction joint 1 is welded with left and right water inlets, and an end flange thereof is connected with an inlet end pump support 2 through bolts, and a motor end foot rest 16 is connected with a motor support frame 17 through bolts.

3. Referring to fig. 2, a lower ball stop pin 21 is welded in the pump head 3, a feeding ball hole matched with the lower ball 20 is formed at the end part, and the lower ball 20 can move up and down in a limit area formed by the lower ball stop pin 21 to realize the opening and closing of the lower feeding ball hole.

4. Referring to fig. 2, the piston 34 is formed by welding a piston rod 7, a piston rod left lock 29, a piston rod cylinder 28 and a piston rod right lock 27 in a splicing manner, the piston head is hung in the cylinder body by the piston rod right lock 27 through bolts and a piston bolt cushion cylinder 22, an upper ball 24 is arranged in the piston head and can move up and down in a limiting area formed by the piston bolt cushion cylinder 22 to realize opening and closing of an upper feeding ball hole, the piston head is formed by sleeving a piston seat 23, a piston ring 25 and a piston fixer 26, a wear-resistant sealing ring 30 is arranged on the piston head, and the piston 34 divides the cylinder body into a lower cavity 36 and an.

5. Referring to fig. 2, the outer part of the throat nut 6 is provided with threads to be connected and fixed with the outlet shell 5, the inner part of the throat nut is provided with a plurality of annular grooves and is provided with a sealing ring 33, a wear-resistant ring 32 and a sealing ring 31, one end of a connecting rod 12 of the motor 18 is connected with the piston rod 7 through a sensitizer pump rotating pin 14, a catalyst pump rotating pin 15, a substrate pump U-shaped clamp 9 and a power end U-shaped clamp 11, and the other end of the connecting rod is connected with the motor 18 through.