CN216922213U

CN216922213U - Movable water sump for driving roadway

Info

Publication number: CN216922213U
Application number: CN202220197991.7U
Authority: CN
Inventors: 郭振涛; 王伟伟; 郭健康; 李建伟; 花伟
Original assignee: Jinneng Holding Coal Group Co Ltd
Current assignee: Jinneng Holding Coal Group Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-08
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a movable water sump for a driving tunnel, which relates to the technical field of drainage equipment in a coal mine and comprises a water sump body, wherein the water sump body is a rectangular water sump without a top, a vertical partition plate is additionally arranged in the middle of the water sump body, the height of the vertical partition plate is 10-25cm lower than that of the water sump body, the water sump is divided into a clean water tank and a sedimentation tank by the vertical partition plate, a movable water pumping pipe is arranged in the sedimentation tank, the other end of the water pumping pipe is connected with an air pump, a drainage pipe is arranged in the clean water tank, an explosion-proof submersible pump is arranged at one end of the drainage pipe, and the other end of the drainage pipe is connected with a previous water sump or the drainage pipe. Through the improvement to current sump, realized that the working face is first ponding to be pumped away at any time, reduced the production of ponding and silt, improve tunnelling efficiency, avoid simultaneously that buggy, the waste rock powder in ponding are to the influence of pump, can realize automatic clearance, small, the cost is low, easily the wide popularization on a large scale of operation is fit for, has great meaning.

Description

Movable water sump for driving roadway

Technical Field

The utility model relates to the technical field of underground drainage equipment of coal mines, in particular to a movable water sump for a driving roadway.

Background

In the process of coal mine mountain excavation, if accumulated water at the head cannot be drained timely, the retained water is mixed with coal powder and gangue powder to form sludge, so that adverse effects are caused to various works such as supporting work, construction hole probing, coal (gangue) excavation and cutting in field operation, and the excavation efficiency is severely limited. Therefore, the related requirements of coal mines stipulate that a water sump is drilled every 200m in the roadway according to the water inflow and the bottom plate condition in the tunneling process. The existing drainage scheme is completed by matching a fixed water bin and a drainage pipe, the interval between the water bins is 200 meters, and two adjacent water bins are connected through the drainage pipe. However, in the actual production operation, the water sump and the drain pipe are far from the head of the working face, the air pump capacity of the connecting drain pipe cannot completely meet the requirement of drainage, so that drainage is not smooth, meanwhile, accumulated water at the head contains coal dust and gangue dust, the pump blockage easily occurs when the explosion-proof submersible pump is used for pumping water, other pumps are needed for replacing the cleaning water pump or the cleaning water pump is directly stopped to produce and clean, the underground production tunneling speed is greatly influenced, and the special slurry pump is large in size, high in cost, heavy in weight and not convenient to move, so that the movable water sump of the tunneling roadway needs to be improved in order to solve the problems.

Disclosure of Invention

The utility model aims to solve the problem that the existing fixed water sump cannot meet the drainage of head-on accumulated water, and solves a series of problems that when the accumulated water is drained by using an explosion-proof submersible pump, impurities are easy to block the pump, a special mud pump is difficult to move, manual dredging is time-consuming and labor-consuming, accumulated water retention affects the progress and speed of tunneling work, the tunneling speed is finally delayed, and the like.

The utility model is realized by adopting the following technical scheme:

the utility model provides a tunnelling removes sump, including the sump storehouse body, the sump storehouse body is the cuboid sump that removes the top, vertical baffle is installed additional at sump storehouse body middle part, the height that highly is less than the sump storehouse body of vertical baffle is 10-25cm, vertical baffle divide into two water storage spaces with the sump, be clean water basin and sedimentation tank respectively, mobilizable drinking-water pipe has been placed in the sedimentation tank, the other end and the air pump of drinking-water pipe link to each other, the drain pipe has been placed in the clean water basin, the one end of drain pipe is connected with the explosion-proof immersible pump that is located the clean water basin, the other end and last one-level sump or last one-level drain pipe connection.

When the movable water sump is implemented, the water sump body is a rectangular water sump with a top removed and formed by welding steel plates with the thickness of 3mm, a vertical partition plate is additionally arranged in the middle of the water sump body and is made of 3mm steel plates or steel sieve plates with 3mm sieve holes arranged thereon, three edges of the vertical partition plate are respectively and fixedly connected with two opposite side walls and a bottom plate of the water sump body, the height of the vertical partition plate is 10-25cm lower than the height of the water sump body, the water sump is divided into two water storage spaces which are respectively a clean water tank and a sedimentation tank, impurities such as coal dust, gangue dust and the like in accumulated water on the working face are left at the bottom of the sedimentation tank, and clarified accumulated water flows to the clean water tank. The sedimentation tank bottom is equipped with the drain, mobilizable drinking-water pipe has been placed in the sedimentation tank, the drinking-water pipe is placed in the one corner of sedimentation tank, the other end of drinking-water pipe links to each other with the air pump of the first department of working face, the drain pipe has been placed in the clean water basin, drain pipe one end is connected with the explosion-proof immersible pump that is located the clean water basin, the other end and last one-level sump or last one-level drain pipe connection, the liquid of explosion-proof immersible pump extraction has comparatively clarified behind vertical baffle, the life-span of pump has been prolonged, stifled pump is avoided to great degree, in time will meet first ponding discharge, avoid influencing tunnelling efficiency because of impurity in the scavenging pump. Install level sensor in the clear water pond, level sensor can fix on the lateral wall of the sump storehouse body, also can fix at vertical baffle in clear water pond one side, can also not place in the clear water pond with fixing, opening of level sensor output signal control explosion-proof immersible pump behind to the controller stops, when the liquid level is high, explosion-proof immersible pump starts, when the liquid level is low, explosion-proof immersible pump stops, can avoid explosion-proof immersible pump's idle running through level sensor, realize the automation of tunnelling the removal sump, need not personnel's watch and manage. When the water storage device is used, the air pump and the water pumping pipe which are placed on the fully-mechanized roadheader are lifted to the head of a working face, one end of the water pumping pipe is connected with the air pump, the water bin body is placed on the belt rack of the bearing part at the tail of the belt, the other end of the water pumping pipe is placed in the sedimentation tank and is placed at one corner of the sedimentation tank, and therefore the water is prevented from being continuously injected into the sedimentation tank through the water pumping pipe, impurities at the bottom of the sedimentation tank are stirred, and the impurities are prevented from overflowing into the clean water tank; one end of the drain pipe is connected with an explosion-proof submersible pump positioned in the clear water tank, the other end of the drain pipe is connected with the upper-level water sump or the upper-level drain pipe, and the pipeline connection is completed. Opening the explosion-proof submersible pump and the air pump, pumping the accumulated water at the head of the working face into the sedimentation tank by a water pumping pipe connected with the air pump, depositing the coal powder and the gangue powder downwards until the bottom of the sedimentation tank, wherein the water surface overflows the vertical partition plate along with the rising of the water level, the accumulated water at the water surface flows into the clean water tank over the vertical partition plate, if the vertical partition plate adopts a steel sieve plate, the accumulated water can also flow into the clean water tank by filtering through the vertical partition plate, a liquid level sensor in the clean water tank senses the rising of the liquid level, when the liquid level reaches a set height, the liquid level sensor is communicated with a circuit of the explosion-proof submersible pump, the explosion-proof submersible pump is opened to start pumping water, the water in the clean water tank is pumped into an upper-level water sump or an upper-level drain pipe, when the explosion-proof submersible pump runs for a certain time, the accumulated water in the clean water tank is pumped below the liquid level, or the air pump at the working face stops pumping water, and the accumulated water in the sedimentation tank does not overflow into the clean water tank any more, and (4) gradually pumping accumulated water in the clean water tank to a position below the set liquid level by the explosion-proof submersible pump, stopping the explosion-proof submersible pump, and finishing pumping water. In the tunneling process, the movable water sump extends the belt every time along with the tunneling process, and the water sump is moved forwards by the way when the fully-mechanized tunneling machine drags the tail of the belt machine, so that the special workload does not need to be increased. When the sedimentation tank is full of coal slime, a drain outlet is arranged at the bottom of the sedimentation tank, and the sedimentation tank is cleaned.

Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a movable water sump for a driving tunnel, which simplifies the cleaning process of the accumulated water of the original complex working surface by improving the existing water sump, avoids the influence of the accumulated water on the driving efficiency, realizes that the accumulated water at the head of the working surface is pumped away at any time, reduces the accumulated water and sludge, improves the driving efficiency, simultaneously avoids the influence of the coal powder and the gangue powder in the accumulated water on the pump, reduces the cost for upgrading the pump, can realize automatic cleaning, and can also be used in other driving projects.

Drawings

Fig. 1 shows a perspective view of the present invention.

Fig. 2 is a perspective view of embodiment 2 of the present invention.

In the figure: 1-an explosion-proof submersible pump, 2-a clean water tank, 3-a sedimentation tank, 4-a water pumping pipe, 5-a water draining pipe, 6-a water bin body, 7-a vertical clapboard, 8-a semi-cylindrical bottom plate, 9-a scraper rotating shaft, 10-a scraper, 11-a motor and 12-a connecting rod.

Detailed Description

The following describes an embodiment of the present invention with reference to the drawings.

Example 1

A movable water sump for driving a roadway is shown in figure 1: the mining machine comprises a water bin body 6, the water bin body 6 is a rectangular water bin with a top removed and formed by welding steel plates with the thickness of 3mm, the length, the width and the height of the water bin body 6 are =1.5m, the x 0.8m, the mining machine is convenient to place on a bearing part of the mining machine, a vertical partition plate 7 is additionally arranged in the middle of a long edge in the water bin body 6, the vertical partition plate 7 is made of 3mm steel plates, the vertical partition plate 7 is parallel to the wide edge of the water bin body 6, two vertical edges of the vertical partition plate 7 are welded with two opposite side walls of the water bin body 6, the bottom edge of the vertical partition plate 7 is vertically and fixedly connected with a bottom plate, the height of the vertical partition plate 7 is 0.2m lower than the height of the water bin body 6, the length, the x width and the width of the vertical partition plate 7 are =0.8m, the vertical partition plate 7 divides the water bin into two spaces, namely a clean water pool 2 and a sedimentation pool 3 respectively, accumulated water, and waste rock powder and other impurities in the water storage head of a working face flow to the sedimentation pool 3 to the vertical sedimentation pool 2, the rough precipitation of the coal powder and the gangue powder in the accumulated water is realized through the vertical partition plate 7. The bottom of the sedimentation tank 3 is provided with a sewage discharge outlet, a movable water pumping pipe 4 is arranged in the sedimentation tank 3, the water pumping pipe 4 is arranged at one corner of the sedimentation tank 3 far away from a vertical partition plate 7, so that sediment is prevented from being stirred when water is injected into the sedimentation tank 3, the other end of the water pumping pipe 4 is connected with an air pump at the head of a working face, a water drainage pipe 5 is arranged in the clean water tank 2, one end of the water drainage pipe 5 is connected with an explosion-proof submersible pump 1 in the clean water tank 2, other water pumps can be used, the water drainage speed is higher than the water pumping speed for the movable water tank according to the parameters of water quality requirements, pump power, lift, flow and the like in the actual use process, otherwise, the liquid level in the movable water tank exceeds the water tank body 6 and overflows out of the water tank, the overflow occurs, the other end of the water drainage pipe 5 is connected with an upper water tank or an upper level drainage pipe, the accumulated water is discharged, the liquid pumped by the explosion-proof submersible pump 1 is clarified after passing through the vertical partition plate 7, the service life of the pump is prolonged, the pump is prevented from being blocked to a greater extent, accumulated water on the head is discharged in time, and the influence on the tunneling efficiency due to the cleaning of impurities in the pump is avoided. Install level sensor in clean water basin 2, level sensor can fix on the lateral wall of the storehouse body 6 of sump, also can fix at vertical baffle 7 in clean water basin 2 one side, can also place in clean water basin 2 without fixing, the start-stop of explosion-proof immersible pump 1 is controlled behind level sensor output signal to the controller, when the liquid level is high, explosion-proof immersible pump 1 starts, when the liquid level is low, explosion-proof immersible pump 1 stops, can avoid explosion-proof immersible pump 1's idle running through level sensor, realize the automation of tunnelling removal sump, need not personnel's watch and manage.

When the water storage device is used, the air pump and the water pumping pipe 4 which are placed on the fully-mechanized roadheader are lifted to the head of a working face, one end of the water pumping pipe 4 is connected with the air pump, the water bin body 6 is placed on a belt rack of a bearing part at the tail of a belt, the other end of the water pumping pipe 4 is placed in the sedimentation tank 3 and is placed at one corner of the sedimentation tank 3, and therefore the situation that the water pumping pipe 4 continuously injects water into the sedimentation tank 3 to stir impurities at the bottom of the sedimentation tank 3 and cause the impurities to overflow into the clean water tank 2 is avoided; and one end of the drain pipe 5 is connected with the explosion-proof submersible pump 1 positioned in the clean water tank 2, the other end of the drain pipe is connected with the upper-level water sump or the upper-level drain pipe, and the pipeline connection is completed. The explosion-proof submersible pump 1 and the air pump are opened, the water pumping pipe 4 connected with the air pump pumps the accumulated water at the head of the working face into the sedimentation tank 3, the coal powder and the gangue powder are precipitated downwards until the bottom of the sedimentation tank 3, along with the rising of the water level, the water level overflows the vertical partition plate 7, the accumulated water at the water level flows into the clean water tank 2 after crossing the vertical partition plate 7, if the vertical partition plate 7 adopts a steel sieve plate, the accumulated water can flow to the clean water tank 2 through the filtration of the vertical partition plate 7, the liquid level sensor in the clean water tank 2 senses the rising of the liquid level, when the liquid level reaches a set height, such as 0.4m, the liquid level sensor is connected with the circuit of the explosion-proof submersible pump 1, the explosion-proof submersible pump 1 is opened to start pumping water, the water in the clean water tank 2 is pumped into the upper-level water sump or the upper-level drain pipe, when the explosion-proof submersible pump 1 runs for a certain time, the accumulated water in the clean water tank 2 is pumped to be below 0.4m, or the working face air pump stops pumping water, ponding in the sedimentation tank 3 no longer overflows in to clean water basin 2, and ponding in the clean water basin 2 is taken out to setting for below the liquid level by explosion-proof immersible pump 1 gradually, and explosion-proof immersible pump 1 stops, draws water and accomplishes, and explosion-proof immersible pump 1 can also be opened through hand switch in addition, can pass through hand switch, when removing the sump and need remove, with the liquid discharge in the clean water basin 2. In the tunneling process, the movable water sump extends the belt every time along with the tunneling process, and the water sump is moved forwards by the way when the fully-mechanized tunneling machine drags the tail of the belt machine, so that the special workload does not need to be increased. Still be provided with the filter screen in the sedimentation tank 3, when 3 coal slime of sedimentation tank is full, drag the filter screen out in the sedimentation tank, or open 3 bottoms of sedimentation tank and be equipped with the drain, can be with the direct discharge of liquid in the pond, realize the quick recovery of buggy, waste rock powder in the pond, promote work efficiency, alone 2~3 hours can be with 3 clean up in sedimentation tank.

Example 2

The utility model provides a tunnelling removes sump, including the sump storehouse body 6, the sump storehouse body 6 is for the cuboid sump of removing top that is formed by the steel sheet welding of 3mm thickness, long multiplied by width is high =1.2m 0.8m, be convenient for place on the machine bearing part of roadheader, sump storehouse body 6 inside adds in the broadside middle part and is equipped with vertical baffle 7, the mesh that the aperture is 3mm has been arranged on vertical baffle 7, vertical baffle 7 is parallel with sump storehouse body 6's long limit, the welding of the double-phase opposite side wall of vertical baffle 7 two vertical limits and sump storehouse body 6, the base and the perpendicular fixed connection of bottom plate of vertical baffle 7, vertical baffle 7 highly be less than sump body 6's height 0.2m, long multiplied by width =1.2m 0.6m, vertical baffle 7 divides the sump into two spaces, be clean water storage pond 2 and sedimentation tank 3 respectively. As shown in fig. 2: a motor 11 is fixed on the wall of the sedimentation tank 3, the motor 11 can drive a scraper rotating shaft 9 to rotate slowly, the scraper rotating shaft 9 is horizontally fixed at the middle point of the upper end of a vertical clapboard 7 and is 0.6m high with the central line of the long edge of the water bin body 6, a connecting rod 12 is sleeved on the scraper rotating shaft 9, the length of the connecting rod 12 is 0.6m, a scraper 10 with the width of 0.4m is arranged at the bottom of the connecting rod 12, a semi-cylindrical bottom plate 8 taking the scraper rotating shaft 9 as an axis is sunk in the sedimentation tank 3, the radius is 0.6m, the length is 0.4m, the semi-cylindrical bottom plate 8 is made of a steel plate by bending, the semi-cylindrical bottom plate 8 is fixed on the bottom surface of the water bin body 6, the periphery is welded with the water bin body 6, namely, the scraper 10 can slide in the range of the upper surface of the semi-cylindrical bottom plate 8, scrapes the coal slime deposited on the upper surface of the semi-cylindrical bottom plate 8 out of the tank edge, a water pumping pipe 4 and a water drainage pipe 5, the settings of the explosion-proof submersible pump 1 and the liquid level sensor are the same as those of the embodiment 1. The motor 11 controls the forward and reverse rotation through the controller, so that the scraper 10 performs the left and right actions on the surface of the semi-cylindrical bottom plate 8.

When the water-saving fully-mechanized excavating machine is used, the air pump and the water pumping pipe 4 which are placed on the fully-mechanized excavating machine are lifted to the head of a working face, one end of the water pumping pipe 4 is connected with the air pump, the water bin body 6 is placed on a belt rack of a bearing part at the tail of a belt, the other end of the water pumping pipe 4 is placed in the sedimentation tank 3 and is placed at one corner (far from a partition plate) of the sedimentation tank 3, so that the water pumping pipe 4 is prevented from continuously injecting water into the sedimentation tank 3, impurities at the bottom of the sedimentation tank 3 are stirred, and the impurities are prevented from overflowing into the clean water tank 2; one end of the drain pipe 5 is connected with an explosion-proof submersible pump 1 positioned in the clean water tank 2, the other end of the drain pipe is connected with the upper-level water sump or the upper-level drain pipe, and the pipeline connection is completed. The explosion-proof submersible pump 1 and the air pump are opened, the water pumping pipe 4 connected with the air pump pumps the accumulated water at the head of the working face into the sedimentation tank 3, the coal powder and the gangue powder are precipitated downwards until the bottom, the accumulated water enters the clean water tank 2 through the vertical partition plate 7 with the sieve mesh, the liquid level sensor in the clean water tank 2 senses the rising of the liquid level, when the liquid level reaches the set height, such as 0.4m, the liquid level sensor is communicated with the circuit of the explosion-proof submersible pump 1, the explosion-proof submersible pump 1 is opened to start pumping water, the water in the clean water tank 2 is pumped into the upper-level water bin or the upper-level drain pipe, when the explosion-proof submersible pump 1 runs for a certain time, the accumulated water in the clean water tank 2 is pumped to be below 0.4m, or the working face air pump stops pumping water, the accumulated water in the sedimentation tank 3 does not overflow into the clean water tank 2, the accumulated water in the clean water tank 2 is gradually pumped by the explosion-proof submersible pump 1 to be below the set liquid level height, the explosion-proof submersible pump 1 stops, the water pumping is completed, in addition, the explosion-proof submersible pump 1 can be turned on through a manual switch, and liquid in the clean water tank 2 can be discharged when the movable water sump needs to be moved through the manual switch. In the tunneling process, the movable water sump extends the belt every time along with the tunneling process, and the water sump is moved forwards by the way when the fully-mechanized tunneling machine drags the tail of the belt machine, so that the special workload does not need to be increased. When 3 coal slime of sedimentation tank is full, take out drinking-water pipe 4, start motor 11, motor 11 drives scraper blade pivot 9 and slowly rotates, connecting rod 12 that the cover is in scraper blade pivot 9 rotates along with it, scraper blade 10 that is located the bottom of connecting rod 12 moves along the upper surface of semi-cylindrical bottom plate 8, scrape the coal slime of bottom of the pool out the pond limit, at this moment, close motor 11, scraper blade pivot 9 together with connecting rod 12 and scraper blade 10 stop motion, the buggy of bottom of the pool, waste rock powder are scraped from semi-cylindrical bottom plate 8 by scraper blade 10, stay the pond limit, only need arrive the pond limit buggy, waste rock powder clearance can, promote work efficiency.

The scope of the utility model is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the utility model should be included in the scope of the utility model.

Claims

1. The utility model provides a tunnelling removes sump, its characterized in that: the water bin comprises a water bin body (6), wherein the water bin body (6) is a rectangular water bin with the top removed, a vertical partition plate (7) is additionally arranged in the middle of the water bin body (6), the height of the vertical partition plate is 10-25cm lower than that of the water bin body (6), and the water bin is divided into two water storage spaces, namely a clean water tank (2) and a sedimentation tank (3), by the vertical partition plate (7); mobilizable drinking-water pipe (4) have been placed in sedimentation tank (3), the other end and the air pump of drinking-water pipe (4) link to each other, drain pipe (5) have been placed in clean water basin (2), the one end of drain pipe (5) is connected with explosion-proof immersible pump (1) that are located clean water basin (2), the other end and last one-level sump or last one-level water piping connection.

2. The excavation roadway mobile water sump according to claim 1, characterized in that: the water pumping pipe (4) is placed at one corner of the sedimentation tank (3).

3. The excavation roadway mobile water sump according to claim 1, characterized in that: and a liquid level sensor is installed in the clean water tank (2), and the liquid level sensor outputs a signal to the controller to control the start and stop of the explosion-proof submersible pump (1).

4. The excavation roadway mobile water sump according to claim 1, characterized in that: the water bin body (6) is formed by welding 3mm steel plates.

5. The excavation roadway mobile water sump according to claim 1, characterized in that: the vertical partition plate (7) is made of a 3mm steel plate.

6. The excavation roadway mobile water sump according to claim 5, characterized in that: and sieve holes with the aperture of 3mm are arranged on the vertical partition plates (7).

7. The excavation roadway mobile water sump according to claim 1, characterized in that: and a sewage draining outlet is formed in the bottom of the sedimentation tank (3).

8. The excavation roadway mobile water sump according to claim 1, characterized in that: the automatic scraper device is characterized in that a semi-cylindrical bottom plate (8) is fixed on the bottom surface of the sedimentation tank (3), a motor (11) is installed on the wall of the sedimentation tank (3), a scraper rotating shaft (9) is horizontally installed at the conveying end of the motor (11), the scraper rotating shaft (9) is located in the circle center of the semi-cylindrical bottom plate (8), a scraper (10) is connected to the middle of the scraper rotating shaft (9) through a connecting rod (12), and the scraper (10) moves along the surface of the semi-cylindrical bottom plate (8).