CN217202406U

CN217202406U - Device for removing heavy metals in mine wastewater

Info

Publication number: CN217202406U
Application number: CN202220812290.XU
Authority: CN
Inventors: 张水; 涂汉; 闞冲; 张儒
Original assignee: Guizhou Xingshuo Mingyue Environmental Protection Technology Co ltd
Current assignee: Guizhou Xingshuo Mingyue Environmental Protection Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-16
Anticipated expiration: 2032-04-08

Abstract

The application discloses a device for removing heavy metals in mine wastewater, which belongs to the technical field of mine wastewater treatment and comprises a wastewater pool, wherein a heating pipe is arranged at the bottom of the wastewater pool, a plurality of movable plates are rotatably connected to the bottom of the wastewater pool, rotating shafts are fixedly connected to two ends of each movable plate, the rotating shaft at one end of each movable plate is rotatably connected to the wall of the wastewater pool, the rotating shaft at the other end of each movable plate penetrates through the wastewater pool and is positioned outside the wastewater pool, and a turbine is fixedly connected to the rotating shaft; a motor is fixedly connected to the wastewater tank, a worm is fixed to an output shaft of the motor, and the worm is meshed with the turbine; a propeller is arranged in the wastewater tank, a feed inlet is arranged at the upper part of the wastewater tank, and a feed hopper is fixed on the wall of the wastewater tank; be equipped with the wash port on the wastewater disposal basin, the wash port is located same horizontal plane with the fly leaf, and the intercommunication has the drain pipe in the wash port, and the drain pipe is located outside the wastewater disposal basin, is equipped with the ooff valve on the drain pipe. This scheme is in order to shorten present time of getting rid of heavy metal in the mine waste water.

Description

Device for removing heavy metals in mine wastewater

Technical Field

The utility model relates to a mine waste water treatment technical field, concretely relates to a device for getting rid of heavy metal in mine waste water.

Background

A large amount of resources such as coal and various metal minerals are contained in mines, and various mineral resources are mined from the mines due to the demand for rapid social and economic development. While various mineral resources are brought by mining, a plurality of mine pits are left, and the problems of surface subsidence, a series of environmental pollution and the like are caused. Among them, mine wastewater is a pollution problem which needs to be solved urgently. The main hazardous substances of the mine wastewater are heavy metal ions in the wastewater, and the heavy metal wastewater has the characteristics of long toxic effect and biodegradability, and can cause serious soil and water body pollution if directly discharged. Heavy metal ions can be adsorbed and accumulated by organisms after entering water and soil, and finally enter a human body through a food chain, so that human diseases are caused, and human health is harmed.

At present, the modes for removing heavy metals in mine wastewater mainly comprise a neutralization method, a coagulation sedimentation method, a biological method, an artificial wetland method and the like. However, these treatment methods require a large number of treatment tanks, take up a large area, take a long time for the removal process, and are not efficient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for getting rid of heavy metal in mine waste water to shorten present time of getting rid of heavy metal in the mine waste water.

In order to solve the technical problem, the utility model provides a following technical scheme: a device for removing heavy metals in mine wastewater comprises a wastewater pool, wherein a heating pipe is arranged at the bottom of the wastewater pool, a plurality of strip-shaped movable plates are rotatably connected to the bottom of the wastewater pool and are positioned above the heating pipe, two ends of each movable plate are fixedly connected with a rotating shaft, the rotating shaft at one end of each movable plate is rotatably connected to the wall of the wastewater pool, the rotating shaft at the other end of each movable plate penetrates through the wastewater pool and is positioned outside the wastewater pool, and a turbine is fixedly connected to the rotating shaft; a motor is fixedly connected to the wastewater tank, a worm is fixedly connected to an output shaft of the motor, and the worm is meshed with the turbines; a propeller is arranged in the wastewater tank, a water outlet of the propeller is horizontally arranged, a feed inlet is formed in the upper part of the wastewater tank, a feed hopper is fixedly connected to the wall of the wastewater tank, and the feed hopper is communicated with the feed inlet; the waste water tank is provided with a drain hole, the drain hole and the movable plate are located on the same horizontal plane, a drain pipe is communicated with the drain hole and located outside the waste water tank, and the drain pipe is provided with a switch valve.

The utility model discloses the theory of operation: before the use, the movable plate is in a vertical state, a gap is reserved between the movable plate and the movable plate, when the device is used, mine wastewater to be treated is discharged into a wastewater pool, at the moment, ferric salt is added into a feed hopper, ferric salt enters the wastewater in the wastewater pool through a feed inlet under the action of gravity, at the moment, the propeller is started, because the water outlet of the propeller is horizontally arranged, the propeller can drive the wastewater in the wastewater pool to horizontally flow when in operation, the wastewater can form vortex along with the increase of the flowing wastewater, at the moment, the ferric salt can be fully contacted with the wastewater, so that heavy metal ions in the wastewater and ferric salt generate stable ferrite precipitate, meanwhile, when the temperature of the water in the wastewater pool is lower, the heating pipe can be started to heat the wastewater, so that the ferric salt and the heavy metal ions in the wastewater can be kept at the optimal reaction temperature, and the operation of the propeller is stopped after the ferric salt and the wastewater are fully mixed, the waste water treatment method comprises the steps of standing, wherein a movable plate is in a vertical state, a gap is reserved between the movable plate and the movable plate, so that heavy metal ions and iron salts in waste water generate stable ferrite precipitates and sink to the bottom of a waste water tank through the gap, a motor is started at the moment, the motor drives a worm to rotate through an output shaft during operation, a turbine meshed with the worm is driven to rotate when the worm rotates, the movable plate is driven to rotate through a rotating shaft during rotation of the turbine, when the movable plate rotates by taking the rotating shaft as a center, the movable plate is gradually converted into a horizontal state from the vertical state, the gap between the movable plate and the movable plate is reduced until the gap disappears, the motor stops operating at the moment, the movable plates are mutually spliced to seal the bottom of the waste water tank, then a switch valve is opened, and the treated waste water is discharged out of the waste water tank through a drain pipe.

The utility model has the advantages that: this scheme stirs the waste water that adds the molysite through the screw in the wastewater disposal basin and makes the molysite can be fast abundant with the heavy metal ion contact in the waste water generate stable ferrite precipitate, has shortened the mixing time of heavy metal ion in molysite and the waste water, separates the precipitate in with the wastewater disposal through the fly leaf simultaneously, can be quick this moment will receive the waste water discharge who handles. The time for removing the heavy metals in the mine wastewater is effectively saved, and the efficiency is improved.

Furthermore, the upper end of the inner wall of the wastewater tank is fixedly connected with a screen plate, and activated carbon is paved on the screen plate. The method aims to adsorb heavy metal ions through the porosity of the activated carbon when the wastewater is discharged into the wastewater tank, so that the content of heavy metal in the wastewater is reduced.

Furthermore, a gauze is laid on the surface of the activated carbon and fixedly connected to the inner wall of the wastewater tank. The purpose is that the active carbon is limited through the gauze, and when the wastewater is prevented from being discharged into the wastewater tank, the active carbon is flushed away from the original position by the wastewater.

Further, the screen plate is arranged in an inclined mode. The purpose is to facilitate the wastewater to flow from the higher end of the screen plate to the lower end of the screen plate, so that the contact time of the wastewater and the activated carbon is increased.

Further, the bottom of wastewater disposal basin is for leaking hopper-shaped, and the lowest department intercommunication of wastewater disposal basin has the waste pipe, and the bottom that the wastewater disposal basin was passed to the bottom of waste pipe is located outside the wastewater disposal basin, the top of waste pipe is equipped with the solenoid valve. Its purpose, through this kind of setting, the lowest department of the effluent water sump that sediment in the effluent water sump can assemble under the action of gravity, open the solenoid valve and deposit this moment and can be through waste pipe waste water sump of being discharged.

Furthermore, the number of the propellers is two, and the two propellers are respectively positioned on the two opposite inner walls of the wastewater pool. Its purpose can increase the stirring effect of waste water in the wastewater disposal basin through this kind of setting, shortens the stirring time, raises the efficiency.

Drawings

FIG. 1 is the schematic structural diagram of a device for removing heavy metals in mine wastewater.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a wastewater pond 1, a gauze 2, activated carbon 3, a screen plate 4, a propeller 5, a switch valve 6, a drain pipe 7, a movable plate 8, a heating pipe 9, an electromagnetic valve 10, a waste pipe 11, a motor 12, a feeding port 13 and a feeding hopper 14.

The embodiment is basically as shown in the attached figure 1:

a device for removing heavy metals in mine wastewater comprises a wastewater pool 1, wherein an inclined screen plate 4 is fixedly connected to the upper end of the inner wall of the wastewater pool 1, activated carbon 3 is laid on the screen plate 4, a gauze 2 is laid on the surface of the activated carbon 3, the gauze 2 is fixedly connected to the inner wall of the wastewater pool 1, the bottom of the wastewater pool 1 is funnel-shaped, the lowest part of the wastewater pool 1 is communicated with a wastewater pipe 11, the bottom end of the wastewater pipe 11 penetrates through the bottom of the wastewater pool 1 and is positioned outside the wastewater pool 1, an electromagnetic valve 10 is arranged at the top end of the wastewater pipe 11, a heating pipe 9 is arranged at the bottom of the wastewater pool 1, a plurality of strip-shaped movable plates 8 are rotatably connected to the bottom of the wastewater pool 1, the plurality of movable plates 8 are positioned above the heating pipe 9, rotating shafts are fixedly connected to two ends of each movable plate 8, one rotating shaft of the movable plates 8 is rotatably connected to the wall of the wastewater pool 1, the rotating shaft at the other ends of the movable plates 8 penetrates through the wastewater pool 1 and is positioned outside the wastewater pool 1, and the rotating shaft is fixedly connected with a turbine; the wastewater disposal basin 1 is fixedly connected with a motor 12, an output shaft of the motor 12 is fixedly connected with a worm, and the worm is meshed with a plurality of turbines.

Two propellers 5 are arranged in the wastewater tank 1, the two propellers 5 are respectively positioned on two opposite inner walls of the wastewater tank 1, water outlets of the two propellers 5 are horizontally arranged and face oppositely, a feed port 13 is arranged at the upper part of the wastewater tank 1, a feed hopper 14 is fixedly connected to the tank wall of the wastewater tank 1, and the feed hopper 14 is communicated with the feed port 13; be equipped with the wash port on the wastewater disposal basin 1, the wash port is located same horizontal plane with fly leaf 8, and the intercommunication has drain pipe 7 in the wash port, and outside drain pipe 7 was located wastewater disposal basin 1, the last ooff valve 6 that is equipped with of drain pipe 7.

The specific implementation process is as follows:

before use, the movable plate 8 is in a vertical state, a gap is reserved between the movable plate 8 and the movable plate 8, mine wastewater to be treated is discharged into the wastewater pool 1 during use, at the moment, ferric salt is added into the feed hopper 14, the ferric salt enters the wastewater in the wastewater pool 1 through the feed inlet 13 under the action of gravity, at the moment, the propeller 5 is started, because the water outlet of the propeller 5 is horizontally arranged, the propeller 5 can drive the wastewater in the wastewater pool 1 to horizontally flow when in operation, the wastewater can form vortex along with the increase of the flowing wastewater, at the moment, the ferric salt can be fully contacted with the wastewater, so that heavy metal ions in the wastewater and the ferric salt can generate stable ferrite precipitate, meanwhile, when the temperature of the water in the wastewater pool 1 is low, the heating pipe 9 can be started to heat the wastewater, the ferric salt and the heavy metal ions in the wastewater can be kept at the optimal reaction temperature, and the operation of the propeller 5 is stopped after the ferric salt and the wastewater are fully mixed, standing, wherein the movable plate 8 is in a vertical state, and a gap is reserved between the movable plate 8 and the movable plate 8, so that heavy metal ions and iron salts in wastewater generate stable ferrite precipitates and sink to the bottom of the wastewater pool 1 through the gap, at the moment, the motor 12 is started, the motor 12 drives the worm to rotate through an output shaft during operation, the worm drives the turbine meshed with the worm to rotate when rotating, the movable plate 8 is driven to rotate through a rotating shaft when the turbine rotates, when the movable plate 8 rotates by taking the rotating shaft as a center, the movable plate 8 is gradually converted into a horizontal state from the vertical state, at the moment, the gap between the movable plate 8 and the movable plate 8 is reduced until the gap disappears, at the moment, the motor 12 stops operating, the movable plates 8 are mutually spliced to seal the bottom of the wastewater pool 1, then the switch valve 6 is opened, and wastewater after being treated is discharged out of the wastewater pool 1 through the drain pipe 7.

Claims

1. The utility model provides a device for getting rid of heavy metal in mine waste water which characterized in that: the heating pipe is arranged at the bottom of the wastewater pool, a plurality of strip-shaped movable plates are rotatably connected to the bottom of the wastewater pool and are positioned above the heating pipe, rotating shafts are fixedly connected to two ends of each movable plate, the rotating shaft at one end of each movable plate is rotatably connected to the wall of the wastewater pool, the rotating shaft at the other end of each movable plate penetrates through the wastewater pool and is positioned outside the wastewater pool, and a turbine is fixedly connected to the rotating shaft; a motor is fixedly connected to the wastewater tank, a worm is fixedly connected to an output shaft of the motor, and the worm is meshed with the turbines;

a propeller is arranged in the wastewater tank, a water outlet of the propeller is horizontally arranged, a feed inlet is formed in the upper part of the wastewater tank, a feed hopper is fixedly connected to the wall of the wastewater tank, and the feed hopper is communicated with the feed inlet; the waste water tank is provided with a drain hole, the drain hole and the movable plate are located on the same horizontal plane, a drain pipe is communicated with the drain hole and located outside the waste water tank, and the drain pipe is provided with a switch valve.

2. The device for removing heavy metals in mine wastewater according to claim 1, characterized in that: the upper end of the inner wall of the wastewater tank is fixedly connected with a screen plate, and activated carbon is paved on the screen plate.

3. The device for removing heavy metals in mine wastewater according to claim 2, characterized in that: and a gauze is laid on the surface of the activated carbon and fixedly connected to the inner wall of the wastewater tank.

4. The device for removing heavy metals in mine wastewater according to claim 3, characterized in that: the screen plate is arranged obliquely.

5. The device for removing heavy metals in mine wastewater according to claim 4, characterized in that: the bottom of wastewater disposal basin is for leaking hopper-shaped, and the lowest department intercommunication of wastewater disposal basin has the waste pipe, and the bottom that the waste pipe was passed the wastewater disposal basin is located outside the wastewater disposal basin, the top of waste pipe is equipped with the solenoid valve.

6. The device for removing heavy metals in mine wastewater according to claim 5, characterized in that: the screw is two, and two screws are located two relative inner walls of wastewater disposal basin respectively.