CN209976535U

CN209976535U - Monitoring device for underwater construction and water sealing layer of vertical shaft

Info

Publication number: CN209976535U
Application number: CN201920630661.0U
Authority: CN
Inventors: 班春燕; 罗姜; 方明; 唐燕林; 姚维林
Original assignee: TONGGUAN MINE CONSTRUCTION Co Ltd OF TONGLING NONFERROUS METALS GROUP Co Ltd
Current assignee: TONGGUAN MINE CONSTRUCTION Co Ltd OF TONGLING NONFERROUS METALS GROUP Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-01-21
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a shaft builds water layer monitoring devices under water, including hoisting device, water level monitoring device, thick liquid sampling device and deep well imager, hoisting device have a plurality of, water level monitoring device includes universal meter, electric wire, insulation board and electrode tip, the electrode tip is installed on the insulation board, electric wire one end is passed the insulation board and is connected with the electrode tip, the other end is connected with the universal meter, and thick liquid sampling device includes body, thick liquid inlet port and closing plate, the thick liquid inlet port sets up on the body lateral wall, and the closing plate is connected with the body, hoisting device have a plurality of, respectively with deep well imager and body connection. After the structure is adopted, the whole-process monitoring of the height change of the slurry in the shaft, the rising height change of the water level, the change of the slurry along with the filling amount and the like is realized, the one-time success rate of grouting construction of a water sealing layer is ensured, and the reliability of constructing the water sealing layer is improved.

Description

Monitoring device for underwater construction and water sealing layer of vertical shaft

Technical Field

The utility model relates to a shaft builds water layer monitoring devices under water.

Background

Along with the gradual increase of the development depth of the mineral industry at home and abroad, vertical shafts, particularly vertical shaft projects with the depth of more than kilometer, are more and more, and the probability of flooding the wells by water burst is relatively increased. The grouting construction of the water sealing layer of the vertical shaft water inrush flooding well is used as an active most effective method for treating the disaster of the vertical shaft water inrush flooding well, and is increasingly applied to engineering practice. At present, in the technical research on constructing a water seal layer to control a water inrush flooding well by shaft grouting at home and abroad, in the aspect of controlling the grout injection amount, the grout injection amount is mostly calculated according to construction experience, grouting is stopped when the grout injection amount reaches theoretical estimated amount, and the water seal effect of the water seal layer is verified by draining after curing for a certain age. In this way, if the expected grouting amount of the slurry is less than the actual required amount, the thickness of the stone body of the slurry in the water sealing layer is not enough to resist the water pressure of the water inrush part; in the case where the expected inflow amount is larger than the actual required amount, the purpose of blocking water gushing is achieved, but the input cost is increased. The most fundamental reason for the above situation is that the real-time monitoring is not carried out in the process of grouting and water sealing layer construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the monitoring is not carried out in real time in the process of grouting and constructing a water sealing layer in the prior art.

The utility model adopts the technical proposal that: the utility model provides a shaft builds water layer monitoring devices under water, includes hoisting device, water level monitoring device, thick liquid sampling device and deep well imager, hoisting device have a plurality of, water level monitoring device includes universal meter, electric wire, insulation board and electrode tip, the electrode tip is installed on the insulation board, electric wire one end is passed the insulation board and is connected with the electrode tip, the other end is connected with the universal meter, thick liquid sampling device includes body, thick liquid inlet port and closing plate, the thick liquid inlet port sets up on the body lateral wall, and the closing plate is connected with the body, hoisting device has a plurality of, is connected with deep well imager and body respectively.

As the utility model discloses a further improvement, it still includes solid ball and hangs the hole, solid ball and body bottom fixed connection, the closing plate have one and this closing plate divide into two halves, all connect in body top both sides, wherein at least half and body top swing joint, hang the hole and set up on the body lateral wall and be located thick liquid inlet port top, one of them hoisting device realizes being connected with the body through hanging the hole.

A monitoring method for a water sealing layer constructed under water in a vertical shaft comprises the following steps: including using the utility model provides a shaft builds water seal layer monitoring devices under water, it still includes following step:

the method comprises the following steps: placing the deep well imager at a certain height above a water inrush working surface, placing the slurry sampling device at a certain height above the water inrush working surface, and placing the water level monitoring device at a certain height above the water surface in the shaft;

step two: when the deep well imager monitors that the height of the slurry in the shaft reaches a certain height, the slurry sampling device is lowered to a water inrush working surface, the deep well imager is lifted upwards for a certain distance, and the water level monitor is lowered to monitor the change condition of the water surface of the shaft;

step three: lifting the slurry sampling device to the ground, and taking out the slurry to check the slurry concentration condition;

step four: comprehensively analyzing data such as water surface change data, filling amount data, concentration of slurry in a sampler and the like, and judging whether a slurry shooting pipe needs to be lifted or not;

step five: and circulating according to the steps, and stopping the filling operation until the height of the water sealing layer slurry is judged to meet the water plugging and sealing requirements.

The utility model has the advantages that: after the structure is adopted, the whole-process monitoring of the height change of the slurry in the shaft, the rising height change of the water level, the change of the slurry along with the filling amount and the like is realized, the one-time success rate of grouting construction of a water sealing layer is ensured, and the reliability of constructing the water sealing layer is improved.

Drawings

Fig. 1 is a schematic view of the middle water level monitoring device of the present invention.

Fig. 2 is a schematic diagram of the middle serosity sampling device of the utility model.

Fig. 3 is a schematic view showing the state of the water seal layer at the beginning of the operation, in which the length dimension is expressed in mm.

Fig. 4 is a schematic view of the present invention showing the deep well imager monitoring the slurry level in the shaft to a certain height.

Fig. 5 is a work flow diagram.

Shown in the figure: lifting device 1, water level monitoring device 2, thick liquid sampling device 3, deep well imager 4, universal meter 5, electric wire 6, insulation board 7, electrode tip 8, body 9, thick liquid inlet 10, closing plate 11, solid ball 12, hang hole 13.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments.

Example 1: the utility model provides a shaft builds water seal monitoring devices under water, includes hoisting device 1, water level monitoring device 2, thick liquid sampling device 3 and deep well imager 4, hoisting device have a plurality of, water level monitoring device includes universal meter 5, electric wire 6, insulation board 7 and electrode tip 8, the electrode tip is installed on the insulation board, electric wire one end is passed the insulation board and is connected with the electrode tip, the other end is connected with the universal meter, thick liquid sampling device includes body 9, thick liquid inlet port 10 and closing plate 11, the thick liquid inlet port sets up on the body lateral wall, and the closing plate is connected with the body, hoisting device have a plurality of, respectively with deep well imager and body connection.

Example 2 differs from example 1 in that: it still includes solid ball 12 and hangs hole 13, solid ball and body bottom fixed connection, the closing plate have one and this closing plate divide into two halves, all connect in body top both sides, wherein at least half and body top swing joint, hang the hole and set up on the body lateral wall and be located thick liquid inlet port top, one of them hoisting device realizes being connected with the body through hanging the hole.

The utility model discloses in, lifting device can adopt among the prior art steady car, the hoist engine, equipment such as winch, the hoist engine, during water level monitoring device monitoring process, form the return circuit when the electrode tip touches the surface of water, universal meter display number changes at this moment, utilize the scale to calculate the interior water level height of pit shaft (of course also can do the scale on the electric wire in advance, directly observe the electric wire just can judge the interior water level height of pit shaft) water level monitoring device also can be connected with lifting device, be convenient for adjust the place height of water level monitoring device, thick liquid sampling device utilizes Ø 108mm x 4mm x 0.5m or Ø 108mm x 4mm x 0.7 m's seamless steel pipe preparation, high definition material is Q235. the upper portion sets up the thick liquid inlet port in the body, thick liquid sampling device bottom preferably increases the counter weight (concrete realization with the solid ball, the setting need pay attention to guarantee the sealing of thick liquid sampling device bottom, the sealing plate is provided with multiple mode, for example, two sealing plates are used when two halves of sealing plate seal plate preparation thick liquid sampling device bottom, the sample device is connected with the sample device, the sample device is connected with the sample device, thereby the sample device is taken a thick liquid is taken a movable seal plate and the sample device is connected with the sample device, thereby the sample device, the sample device is the sample device, the sample device is set up the sample device is connected with the sample device, the sample device is connected with the sample device.

Adopted the utility model discloses afterwards, seal the water course in-process and realize visual processing in the pit building, utilize deep well imager to look over the judgement to gushing water position and shaft bottom, utilize the thick liquid concentration condition that thick liquid sampling device can reflect sample position department directly perceived, in time adjust the thick liquid volume of pouring, guarantee the water shutoff effect. Meanwhile, once the expected slurry filling amount is small in the construction process, the slurry amount can be supplemented in time; when the grout filling amount is found to be less than the preset amount and the requirement of water sealing and blocking is met, the grouting operation is stopped, the grout amount can be saved, the investment cost can be reduced, and meanwhile, the water blocking effect of the water sealing layer can be ensured to reach the expected target. Therefore, the data of the change condition of the water surface of the shaft, the pouring amount, the concentration of the sampled slurry, the height of the slurry in the shaft and the like are comprehensively analyzed, the water plugging effect can be pre-judged, the construction quality of a water sealing layer is favorably guaranteed, and the material waste caused by the failure of water plugging or excessive material preparation due to insufficient material preparation is avoided to a certain extent.

The utility model provides a shaft builds water layer monitoring devices under water and uses method as follows:

the method comprises the following steps: placing the deep well imager at a certain height (for example, 0.5 m) above the water inrush working surface, placing the slurry sampling device at a certain height (for example, 5.5 m) above the water inrush working surface, and placing the water level monitoring device at a certain height (for example, 0.5 m) above the water surface in the shaft;

step two: when the deep well imager monitors that the height of the slurry in the shaft reaches a certain height (for example, 0.5 m), lowering the slurry sampling device to a water inrush working surface, lifting the deep well imager upwards for a certain distance (for example, 0.5 m), and lowering a water level monitor to monitor the change condition of the water surface of the shaft;

It should be known to those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and transformations can be performed on the basis of the above-mentioned embodiments, without violating the spirit of the present invention, all the transformations performed by the present invention fall within the protection scope of the present invention.

Claims

1. The utility model provides a monitoring devices of water layer is sealed in under water structure of shaft which characterized in that: including hoisting device, water level monitoring device, thick liquid sampling device and deep well imager, hoisting device have a plurality of, water level monitoring device includes universal meter, electric wire, insulation board and electrode tip, the electrode tip is installed on the insulation board, electric wire one end is passed the insulation board and is connected with the electrode tip, the other end is connected with the universal meter, thick liquid sampling device includes body, thick liquid inlet port and closing plate, the thick liquid inlet port sets up on the body lateral wall, and the closing plate is connected with the body, hoisting device have a plurality of, respectively with deep well imager and body connection.

2. The monitoring device for the underwater construction water seal of the vertical shaft according to claim 1, wherein: it still includes solid ball and hangs the hole, solid ball and body bottom fixed connection, the closing plate have one and this closing plate divide into two halves, all connect in body top both sides, wherein at least half and body top swing joint, hang the hole and offer on the body lateral wall and be located the thick liquid inlet port top, one of them hoisting device realizes being connected with the body through hanging the hole.