CN215444132U

CN215444132U - Nozzle device for making slurry

Info

Publication number: CN215444132U
Application number: CN202121663811.1U
Authority: CN
Inventors: 王成钊; 张欣; 张丽峰; 于伟娜
Original assignee: Shandong Gold Mining Laizhou Co Ltd Sanshandao Gold Mine
Current assignee: Shandong Gold Mining Laizhou Co Ltd Sanshandao Gold Mine
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-07
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a slurry making nozzle device which is used for being arranged on a water supply pipe and is communicated with a water supply hole on the water supply pipe, and is characterized by comprising an inner core, wherein a plurality of water spray holes are arranged on the inner core; the water supply device is characterized by also comprising a split protection assembly and a transition joint, wherein the inner core is arranged in the split protection assembly, a plurality of water spray holes are formed in the split protection assembly, the lower end of the split protection assembly is arranged on a water supply pipe through the transition joint, and the inner core is communicated with the water supply hole through the lower end of the split protection assembly and the transition joint; the device reduces the replacement and maintenance difficulty, reduces the cost and reduces the underground labor intensity; meanwhile, the corrosion resistance is improved, the service life is prolonged, and the underground filling operation is ensured to be safely and stably carried out.

Description

Nozzle device for making slurry

Technical Field

The utility model relates to a nozzle device for making slurry, in particular to a nozzle device for making slurry by powdery cement and tailings for filling an underground stope.

Background

At present, a powder cement and tailing slurry making nozzle device commonly used for filling underground is generally characterized in that a spray pipe of the slurry making nozzle device is directly welded on a water supply hole at the top of a water supply pipeline, and once the spray pipe is damaged, the spray pipe needs to be integrally disassembled and replaced, so that the maintenance cost is high; and because the underground water supply is from the drainage system, the chloride ion content in the water is extremely high, the corrosivity is strong, the service life of the spray pipe is greatly shortened, and the normal operation of the slurry making operation of powdery cement and tailings for underground filling is restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a slurry making nozzle device, which reduces the replacement and maintenance difficulty, reduces the cost and reduces the underground labor intensity; meanwhile, the corrosion resistance is improved, the service life is prolonged, and the underground filling operation is ensured to be safely and stably carried out.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a slurry making nozzle device is used for being arranged on a water supply pipe and is communicated with a water supply hole on the water supply pipe,

the inner core is provided with a plurality of water spraying holes;

the water supply pipe is characterized by further comprising a split protection assembly and a transition joint, the inner core is installed inside the split protection assembly, a plurality of water mist holes are formed in the split protection assembly, the lower end of the split protection assembly is installed on the water supply pipe through the transition joint, and the inner core is communicated with the water supply hole through the lower end of the split protection assembly and the transition joint.

Preferably, the split protection assembly comprises a fixing head, a sleeve and a connecting pipe; the external thread at the lower end of the fixed head is in threaded connection with the threaded hole at the upper end of the sleeve, and the inner side of the lower end of the fixed head is in close contact with the outer side of the upper end of the inner core; the external thread at the upper end of the connecting pipe is in threaded connection with the threaded hole at the lower end of the sleeve, and the threaded hole at the upper end of the connecting pipe is in threaded connection with the external thread at the lower end of the inner core; the external thread at the lower end of the connecting pipe is in threaded connection with the threaded hole at the upper end of the transition joint, a through hole is formed in the connecting pipe, and the through hole is communicated with the transition joint and the water supply hole; the water mist holes are formed in the sleeve.

Preferably, the outer side of the inner core is tightly wrapped with a rubber hose, and the rubber hose is provided with a plurality of water outlet holes; the water outlet holes correspond to the water spraying holes arranged on the inner core one by one, and the aperture of the water outlet holes is smaller than that of the water spraying holes.

Preferably, the water spraying holes are longitudinally distributed on the inner core in multiple groups, and each group is uniformly arranged on the inner core in a surrounding mode.

Preferably, the water mist holes are longitudinally distributed on the sleeve in multiple groups, and each group is uniformly arranged on the sleeve in a surrounding mode.

Preferably, the number of the water mist holes is less than that of the water outlet holes and the water spray holes.

Preferably, the transition joint is welded perpendicularly to the top of the water supply pipe.

Preferably, the inner core, the transition joint and the split protection assembly are made of corrosion-resistant materials.

Preferably, the inner core is made of red copper, and the transition joint and the split protection assembly are made of stainless steel.

The utility model has the positive effects that:

firstly, all the parts are connected by threads, so that the disassembly and the replacement are simple and convenient, the difficulty in replacement and maintenance is reduced, the cost is reduced, and the underground labor intensity is reduced.

Secondly, the rubber hose with good expansion performance is arranged, and the water supply pressure can be buffered by utilizing the aperture difference between the water spraying hole and the water outlet hole, so that the stability of the water mist flow of the nozzle is maintained.

Thirdly, the utility model improves the integral corrosion resistance, prolongs the service life and ensures the safe and stable operation of the underground filling operation by adopting the corrosion-resistant material.

Fourthly, by arranging the split protection assembly, when the spraying and slurry making operation is stopped, the sprayed powdery cement, tailing powder and the like can be prevented from entering the inner part of the sleeve, so that the inner core is prevented from being polluted and the water outlet hole is prevented from being blocked.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The utility model is further illustrated by the following figures and examples.

As shown in figure 1, the utility model comprises a transition joint 4 vertically welded on the top of a water supply pipe 5, and the lower end of the transition joint 4 is communicated with a water supply hole 6 arranged on the top of the water supply pipe 5 so as to meet the use requirement of the device. The transition joint 4 adopts stainless steel, and the lower extreme processing of transition joint 4 has the radian that suits with delivery pipe 5 top, adopts the fillet weld welding mode along the circumference of transition joint 4 lower extreme, realizes its and delivery pipe 5 between fixed. The inner surface of the upper end of the transition joint 4 is provided with M18mm coarse internal threads, the upper end of the transition joint 4 is connected with a split protection assembly in a threaded manner, an inner core 8 is arranged inside the split protection assembly, and the upper end of the transition joint 4 is communicated with the inner core 8.

The inner core 8 is made of red copper, 24 water spray holes with the diameter of 3mm are formed in the inner core 8, six groups of water spray holes are longitudinally distributed in the inner core 8, and four water spray holes in each group are uniformly arranged on the side wall of the inner core 8 in a surrounding mode. The outer side of the inner core 8 is tightly wrapped with a rubber hose 7, and the rubber hose 7 is provided with a plurality of water outlet holes. The water outlet holes correspond to the water spraying holes one by one, and the aperture of the water outlet holes is smaller than that of the water spraying holes. And M8 x 1mm fine-tooth external threads for connecting a split protection assembly are processed on the outer surface of the lower end of the inner core 8. Through setting up rubber hose 7 that has good expansibility, utilize the aperture difference between hole for water spraying and the apopore simultaneously, can play the cushioning effect to water supply pressure to maintain the stability of nozzle water smoke flow.

The components of a whole that can function independently protection subassembly set up in the 7 outsides of rubber hose, when stopping the spraying and making thick liquid operation, can prevent that the likepowder cement that erupts, tailing powder etc. from getting into inside the sleeve pipe 2, avoid polluting inner core 8, blockking up the apopore. The split protection assembly comprises a fixed head 1, a sleeve 2 and a connecting pipe 3, and all the components are made of stainless steel.

The upper end of the fixed head 1 is processed into an external hexagon with the thickness of 7mm by a stainless steel bar with the diameter of 28mm so as to be convenient for disassembly and assembly; the center of the fixed head 1 is drilled with a through hole with the diameter of phi 8mm and is used for closely contacting and fixing the inner core 8. The outer surface of the lower end of the fixed head 1 is provided with M18 x 1mm fine-tooth external threads, and the inner surface of the upper end of the sleeve 2 is provided with M18 x 1mm fine-tooth internal threads, so that the lower end of the fixed head 1 is in threaded connection with the upper end of the sleeve 2.

The middle part phi 28 mm/thickness 8mm of the connecting pipe 3 is processed into an external hexagon so as to be convenient for screwing and disassembling threads; the center of the connecting pipe 3 is drilled with a through hole for fixing the inner core 8, and the through hole is communicated with the transition joint 4 and the water supply hole 6. The inner surface of the upper end of the connecting pipe 3 is provided with M8X 1mm fine internal threads which are matched with M8X 1mm fine external threads arranged on the outer surface of the lower end of the inner core 8, so that the upper end of the connecting pipe 3 is in threaded connection with the lower end of the inner core 8. The outer surface of the upper end of the connecting pipe 3 is provided with M18 x 1mm fine external threads, and the inner surface of the lower end of the sleeve 2 is provided with M18 x 1mm fine internal threads, so that the upper end of the connecting pipe 3 is in threaded connection with the lower end of the sleeve 2. The outer surface of the lower end of the connecting pipe 3 is provided with M18mm coarse thread and matched with M18mm coarse thread arranged on the inner surface of the upper end of the transition joint 4, so that the lower end of the connecting pipe 3 is in threaded connection with the upper end of the transition joint 4, and the connecting pipe 3 is fixedly arranged on the water supply pipe 5 through the transition joint 4.

The sleeve 2 is provided with 16 water mist holes with the diameter of 4mm, four groups of the water mist holes are longitudinally distributed on the sleeve 2, and four groups of the water mist holes are uniformly arranged on the side wall of the sleeve 2 in a surrounding mode so as to spray powdery cement and tailings for filling outwards to make slurry.

Most of the components in the utility model are connected by screw threads, so that the disassembly and replacement are simple and convenient, the difficulty of replacement and maintenance is reduced, the cost is reduced, and the underground labor intensity is reduced. The utility model improves the integral corrosion resistance, prolongs the service life and ensures the safe and stable operation of the underground filling operation by adopting the corrosion-resistant material.

The utility model relates to a slurry making nozzle device, which comprises the following steps:

when the nozzle is needed, the water mist can be sprayed out from the sleeve 2 only by opening the valve on the water supply pipe 5.

When adjusting the valve on the delivery pipe 5, when the adjustment water supply volume increases, the water supply volume in the inner core 8 increases, and the hole for water spraying water yield increases, and rubber hose 7 is through self inflation and expansion apopore, can play the cushioning effect to water supply pressure, maintains the stability of nozzle water smoke flow.

When the nozzle device needs to be maintained and replaced, all parts can be replaced and maintained by closing the valve on the water supply pipe 5 and rotating the threaded connection between all the parts to disassemble the nozzle device.

Claims

1. A slurry making nozzle device for being installed on a water supply pipe (5) and communicating with a water supply hole (6) on the water supply pipe (5), characterized in that:

the water-spraying device comprises an inner core (8), wherein a plurality of water-spraying holes are formed in the inner core (8);

still include components of a whole that can function independently protection subassembly and transition joint (4), inner core (8) install inside the components of a whole that can function independently protection subassembly, seted up a plurality of water smoke holes on the components of a whole that can function independently protection subassembly, the lower extreme of components of a whole that can function independently protection subassembly is installed on delivery pipe (5) through transition joint (4), inner core (8) are linked together through the lower extreme and transition joint (4) and water supply hole (6) of components of a whole that can function independently protection subassembly.

2. The slurry making nozzle assembly according to claim 1, wherein: the split protection assembly comprises a fixed head (1), a sleeve (2) and a connecting pipe (3); the external thread at the lower end of the fixed head (1) is in threaded connection with the threaded hole at the upper end of the sleeve (2), and the inner side of the lower end of the fixed head (1) is in close contact with the outer side of the upper end of the inner core (8); the external thread at the upper end of the connecting pipe (3) is in threaded connection with the threaded hole at the lower end of the sleeve (2), and the threaded hole at the upper end of the connecting pipe (3) is in threaded connection with the external thread at the lower end of the inner core (8); the external thread at the lower end of the connecting pipe (3) is in threaded connection with the threaded hole at the upper end of the transition joint (4), a through hole is formed in the connecting pipe (3), and the through hole is communicated with the transition joint (4) and the water supply hole (6); the water mist holes are formed in the sleeve (2).

3. The slurry making nozzle assembly according to claim 1, wherein: the outer side of the inner core (8) is tightly wrapped with a rubber hose (7), and the rubber hose (7) is provided with a plurality of water outlet holes; the water outlet holes correspond to the water spraying holes formed in the inner core (8) one by one, and the aperture of the water outlet holes is smaller than that of the water spraying holes.

4. The slurry making nozzle assembly according to claim 1, wherein: the water spray holes are longitudinally distributed on the inner core (8) in multiple groups, and each group is uniformly arranged on the inner core (8) in a surrounding mode.

5. The slurry making nozzle assembly according to claim 2, wherein: the water mist holes are longitudinally distributed on the sleeve (2) in multiple groups, and each group of water mist holes is uniformly arranged on the sleeve (2) in a surrounding mode.

6. The slurry making nozzle assembly according to claim 5, wherein: the number of the water spray holes is less than that of the water outlet holes and the water spray holes.

7. The slurry making nozzle assembly according to claim 1, wherein: the transition joint (4) is vertically welded on the top of the water supply pipe (5).

8. The slurry making nozzle assembly according to claim 1, wherein: the inner core (8), the transition joint (4) and the split protection component are made of corrosion-resistant materials.

9. The slurry making nozzle assembly according to claim 8, wherein: the inner core (8) is made of red copper, and the transition joint (4) and the split protection assembly are made of stainless steel.