CN219175351U

CN219175351U - Mine sump back flush circulation dredging system

Info

Publication number: CN219175351U
Application number: CN202223398119.8U
Authority: CN
Inventors: 周永军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-13
Anticipated expiration: 2032-12-19

Abstract

The utility model belongs to the technical field of mining engineering, and relates to a mine sump backwash circulating dredging system. The system comprises a liquid suction pipe, a circulating water pump, a connecting pipe, a liquid discharge pipe, a silt suction pipe, a silt discharge water pump and a silt discharge pipe; the liquid inlet of the liquid suction pipe is positioned below the liquid level of the mine sump, the liquid suction pipe is connected with a connecting pipe through a circulating water pump, the connecting pipe is connected with a liquid discharge pipe, the liquid discharge pipe is fixed on the inner wall of the mine, the pipe body is positioned above the liquid level of the sump, and a plurality of liquid discharge holes are formed in the pipe wall of the liquid discharge pipe; the sludge pumping pipe is positioned below the liquid level of the mine sump and is connected with the sludge discharging pipe through the sludge discharging water pump. According to the system, through the circulation of the liquid suction pipe and the liquid discharge pipe, the circulation of liquid in the water sump is formed, the liquid discharge hole on the liquid discharge pipe is combined to wash out silt, sediment and precipitation of the silt are effectively avoided, turbid water is discharged to the ground through the silt discharge pipe, and then the water sump is enabled to keep an effective volume all the time.

Description

Mine sump back flush circulation dredging system

Technical Field

The utility model belongs to the technical field of mining engineering, and relates to a mine sump backwash circulating dredging system.

Background

The existing mine cleaning technology usually adopts the steps of precipitating sludge and then treating the sludge. However, the sludge is not well treated in the pit, for example, when a mine car is used for lifting the sludge, the efficiency is low, the transportation line is long, when the mine is used for pulling the sludge, the quantity of the sludge is limited, the sludge is required to be cleaned for 2-6 months aiming at the bin bodies with different volumes, the time period is long, and the sludge is not thoroughly cleaned. As disclosed in CN202122187936.8, a special mud cleaning device for mine sump is provided, the mud at the bottom of the sump is scraped by a transmission assembly, and then is sent out by a feeding cavity, so that the energy consumption of the mud scraping in the whole process is high, the mud conveying efficiency is low, and the effective volume of the sump cannot be ensured.

Disclosure of Invention

The utility model aims to provide a mine sump backwash circulation dredging system, which adopts a dynamic circulation mode to ensure that sludge is not precipitated, and the sump always maintains effective volume, thereby saving labor and equipment.

The technical scheme for solving the technical problems is as follows.

A mine sump backwash circulation dredging system comprises a liquid suction pipe, a circulating water pump, a connecting pipe, a liquid discharge pipe, a dredging water pump and a dredging pipe; the liquid inlet of the liquid suction pipe is positioned below the liquid level of the mine sump, the liquid outlet of the liquid suction pipe is connected with the liquid inlet of the connecting pipe through the circulating water pump, the liquid outlet of the connecting pipe is connected with the liquid inlet of the liquid discharge pipe, the liquid discharge pipe is fixed on the inner wall of the mine, the pipe body is positioned above the liquid level of the sump, and a plurality of liquid discharge holes are formed in the pipe wall of the liquid discharge pipe; the silt inlet of the silt pumping pipe is positioned below the liquid level of the mine sump, and the silt outlet of the silt pumping pipe is connected with the silt inlet of the silt discharging pipe through the silt discharging water pump. According to the technical scheme, the circulation of the sludge in the water sump is formed through the circulation of the liquid suction pipe and the liquid discharge pipe, and the sediment of the sludge is effectively avoided by combining the flushing of the liquid discharge hole on the liquid discharge pipe to the sludge; simultaneously, drain muddy water to ground through the silt discharging pipe, and then make the sump keep effective volume all the time.

Further, the dredging system has the advantages that the number of the liquid discharge pipes is 2, and the liquid discharge pipes are symmetrically arranged on the corresponding side walls of the mine. Through the fluid-discharge tube that the symmetry set up, can be more comprehensive wash away silt.

Further, in the dredging system, the liquid discharge hole of the liquid discharge pipe is arranged below the center line at one side far away from the inner wall of the mine; by limiting the direction of the liquid discharge hole, the scouring effect is better.

Further, the dredging system further comprises a filter screen; the filter screen is arranged at the silt inlet of the silt pumping pipe. By arranging the filter screen, massive sundries can be prevented from entering the silt pumping pipe.

Further, the dredging system further comprises a fixing device; the liquid discharge pipe is fixed on the inner wall of the mine through the fixing device.

Further, the dredging system comprises a fixing device, a dredging device and a dredging device, wherein the fixing device comprises a connecting rod, a V-shaped fork, a fixing ring, a U-shaped piece, a retaining ring and a limiting ball; the connecting rod and the fixed ring are both fixed on the mine inner wall and are arranged up and down, the bottom end of the V-shaped fork is fixed at the tail end of the connecting rod, the lower end of the U-shaped piece is hinged on the fixed ring through the retaining ring, the limiting ball is arranged at the upper end of the U-shaped piece, and the U-shaped piece is fixed in a mode that the limiting ball is buckled on the inner side of the V-shaped fork. The fixing device is used for fixing the U-shaped piece in a mode that the limiting ball is buckled between the V-shaped fork and the inner wall of the mine, so that the liquid discharge pipe is fixed; the fixing device can fix the liquid discharge pipe according to the needs, and is convenient and flexible to use.

Further, the number of the fixing devices is a plurality, and the fixing devices are sequentially fastened on the pipe body of the liquid discharge pipe side by side.

The mine sump back flushing circulation dredging system has the beneficial effects that the process is improved by adopting a dynamic circulation principle of liquid flow, the circulation of liquid in the sump is formed by the circulation of the liquid suction pipe and the liquid discharge pipe, and the sludge is flushed by combining the liquid discharge hole on the liquid discharge pipe, so that the sludge is effectively prevented from depositing and precipitating; simultaneously, turbid water is discharged to the ground through a sludge discharge pipe, so that the water sump always keeps an effective volume; the system has the advantages of low use cost, convenient installation of the device, labor saving, long-term use and benefit after installation, and cost saving.

Drawings

FIG. 1 is a schematic top view of a mine sump backwash cycle dredging system;

FIGS. 2 and 3 are schematic side views of a mine sump backwash cycle dredging system;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

fig. 5 is a schematic view of the structure of the V-fork.

The codes in the drawings are respectively: 1. a liquid suction pipe; 2. a circulating water pump; 3. a connecting pipe; 4. a liquid discharge pipe; 4-1, a liquid discharge hole; 5. a silt suction pipe; 6. a silt removing water pump; 7. a sludge discharge pipe; 8. a fixing device; 8-1, connecting rods; 8-2, V-shaped forks; 8-3, fixing ring; 8-4, U-shaped pieces; 8-5, a clasp ring; 8-6, limiting balls; 9. and (3) a mine.

Detailed Description

Example 1

As shown in fig. 1 to 2, the mine sump backwash circulation dredging system comprises a liquid suction pipe 1, a circulating water pump 2, a connecting pipe 3, a liquid discharge pipe 4, a dredging pipe 5, a sludge discharge water pump 6, a sludge discharge pipe 7 and a filter screen.

The liquid inlet of the liquid suction pipe 1 is positioned below the liquid level of the water sump of the mine 9 and is used for sucking liquid in the water sump; the liquid outlet of the liquid suction pipe 1 is connected with the liquid inlet of the connecting pipe 3 through the circulating water pump 2, the liquid outlet of the connecting pipe 3 is connected with the liquid inlet of the liquid discharge pipe 4, the liquid discharge pipe 4 is fixed on the inner wall of the mine 9, the pipe body is positioned above the liquid level of the water sump, and in particular, the number of the liquid discharge pipes 4 is 2 and the liquid discharge pipes are symmetrically arranged on the corresponding side walls of the mine 9; the pipe wall of the liquid discharge pipe 4 is provided with a plurality of liquid discharge holes 4-1; therefore, the liquid can be discharged through the liquid discharge hole 4-1 of the liquid discharge pipe 4, and the sludge at the bottom of the water sump is flushed at the same time, so that the dynamic circulation of the liquid in the water sump is formed, and the precipitation of the sludge is avoided. The drain hole 4-1 of the drain pipe 4 is arranged below the center line at one side far away from the inner wall of the mine 9, so that a better flushing effect can be achieved. In addition, the circulating water pump 2 selects a water pump with large discharge capacity and low lift.

The sludge inlet of the sludge suction pipe 5 is positioned below the liquid level of the water sump of the mine 9, and the sludge outlet of the sludge suction pipe 5 is connected with the sludge inlet of the sludge discharge pipe 7 through the sludge discharge water pump 6; the turbid liquid in the sump can be discharged to the ground through the sludge discharge pump 6, so that the purpose of dredging is achieved. In addition, the filter screen is arranged at the silt inlet of the silt pumping pipe 5, so that the liquid entering the silt pumping pipe 5 can be subjected to preliminary filtration, and the blockage of the silt pumping pipe 5 caused by massive sundries is avoided.

By using the traditional sludge pulling technology, a volume of 3000m is cleaned ³ Adopts 4 dredging vehicles, 1 forklift and 1 guardian according to 3m ³ X4 vehicle X2 runs, 24m per day ³ The cleaning was continued for 125 days with a daily cost of about 5000 yuan (including only vehicle consumption and labor wages, no auxiliary works such as the use of ventilation equipment were included yet) and a total cost of 625000 yuan. If the back flush circulation dredging system of the embodiment is adopted, the circulating water pump and the corresponding pipelines are additionally arranged after the construction and installation of the water sump foundation engineering are finished, the cost of the system comprises facilities such as the water pump, labor wages, installation fees and the like, the cost is about 60000 yuan, the system is far lower than that of the traditional dredging mode, and more importantly, the whole equipment can be used for a long time and benefits for a long time.

Example 2

The difference between this embodiment and embodiment 1 is that the dredging system further comprises a fixing device 8 as shown in fig. 3 to 5; the drain pipe 4 is fixed on the inner wall of the mine 9 through a fixing device 8.

The fixing device 8 comprises a connecting rod 8-1, a V-shaped fork 8-2, a fixing ring 8-3, a U-shaped piece 8-4, a retaining ring 8-5 and a limiting ball 8-6; the connecting rod 8-1 and the fixed ring 8-3 are both fixed on the inner wall of the mine 9 and are arranged up and down, the bottom end of the V-shaped fork 8-2 is fixed at the tail end of the connecting rod 8-1, the lower end of the U-shaped part 8-4 is hinged on the fixed ring 8-3 through the retaining ring 8-5, the limiting ball 8-6 is arranged at the upper end of the U-shaped part 8-4, and the U-shaped part 8-4 is fixed in a mode that the limiting ball 8-6 is buckled on the inner side of the V-shaped fork 8-2. In addition, the fixing devices 8 are a plurality of and are sequentially fastened on the pipe body of the liquid discharge pipe 4 side by side.

The working process of the fixing device 8 is that the liquid discharge pipe 4 is placed close to the inner wall of a mine 9 and is located above the fixing ring 8-3, the U-shaped piece 8-4 is lifted upwards to be buckled on the pipe wall of the liquid discharge pipe 4, the limiting ball 8-6 is placed between the inner wall of the mine 9 and the V-shaped fork 8-2, the movement of the limiting ball 8-6 is limited through the V-shaped fork 8-2, the U-shaped piece 8-4 is fixed, and finally the effect of fixing the liquid discharge pipe 4 is achieved. The fixing device 8 is very convenient to fix and release the liquid discharge pipe 4, and can be flexibly adjusted according to the needs.

Claims

1. The mine sump backwash circulation dredging system is characterized by comprising a liquid suction pipe (1), a circulating water pump (2), a connecting pipe (3), a liquid discharge pipe (4), a dredging pipe (5), a sludge discharge water pump (6) and a sludge discharge pipe (7);

the liquid inlet of the liquid suction pipe (1) is positioned below the liquid level of the water sump of the mine, the liquid outlet of the liquid suction pipe (1) is connected with the liquid inlet of the connecting pipe (3) through the circulating water pump (2), the liquid outlet of the connecting pipe (3) is connected with the liquid inlet of the liquid discharge pipe (4), the liquid discharge pipe (4) is fixed on the inner wall of the mine, the pipe body is positioned above the liquid level of the water sump, and a plurality of liquid discharge holes (4-1) are formed in the pipe wall of the liquid discharge pipe (4);

the silt inlet of the silt pumping pipe (5) is positioned below the liquid level of the mine sump, and the silt outlet of the silt pumping pipe (5) is connected with the silt inlet of the silt discharging pipe (7) through the silt discharging water pump (6).

2. The mine sump backwash cycle dredging system as claimed in claim 1, wherein the number of the liquid discharge pipes (4) is 2 and symmetrically arranged on the corresponding side wall of the mine.

3. The mine sump backwash cycle dredging system as claimed in claim 1, wherein the drain hole (4-1) of the drain pipe (4) is provided below a center line of a side far from an inner wall of the mine.

4. The mine sump backwash cycle dredging system as claimed in claim 1, further comprising a filter screen; the filter screen is arranged at the sludge inlet of the sludge suction pipe (5).

5. A mine sump backwash cycle dredging system as claimed in claim 1 further comprising a securing means (8); the liquid discharge pipe (4) is fixed on the inner wall of the mine through a fixing device (8).

6. The mine sump backwash cycle dredging system as claimed in claim 5, wherein the fixing device (8) comprises a connecting rod (8-1), a V-shaped fork (8-2), a fixing ring (8-3), a U-shaped piece (8-4), a retaining ring (8-5) and a limiting ball (8-6); the connecting rod (8-1) and the fixed ring (8-3) are both fixed on the inner wall of the mine and are arranged up and down, the bottom end of the V-shaped fork (8-2) is fixed at the tail end of the connecting rod (8-1), the lower end of the U-shaped piece (8-4) is hinged on the fixed ring (8-3) through a retaining ring (8-5), the limiting ball (8-6) is arranged at the upper end of the U-shaped piece (8-4), and the U-shaped piece (8-4) is fixed in a mode that the limiting ball (8-6) is buckled on the inner side of the V-shaped fork (8-2).

7. The mine sump backwash cycle dredging system as claimed in claim 5, wherein the number of the fixing devices (8) is a plurality, and the fixing devices are sequentially fastened on the pipe body of the liquid discharge pipe (4) side by side.