CN209735815U - A coal washing flotation agent spraying device - Google Patents

Abstract

The utility model discloses a coal washing flotation agent spraying device, which relates to the technical field of spraying devices and aims to solve the problem that the existing coal washing spraying device can only be used by one coal flotation machine and has low efficiency. A feed funnel is provided above the flotation agent storage tank, a discharge pipe is provided on one side of the flotation agent storage tank, a water pump is installed at one end of the discharge pipe, and a water pump is provided above the water pump An L-shaped water pipe is installed above the outlet of the water pump, and a flow control valve is installed inside the L-shaped water pipe. One end of the L-shaped water pipe is equipped with a spray pipe, and there are three spray pipes. The spray pipe A spray tailpipe is installed at one end of the spray pipe, a flange is provided between the adjacent spray pipes, and there are two flanges, a sealing ring is arranged between the two flanges, and the flanges A connecting through hole is arranged inside the connecting through hole, and a bolt is arranged inside the connecting through hole, and a screw rod is arranged inside the bolt.

Description

A coal washing flotation agent spraying device

technical field

The utility model relates to the technical field of spraying devices, in particular to a coal washing flotation agent spraying device.

Background technique

Coal washing is an indispensable process of coal deep processing. The coal directly mined from the mine is called raw coal. Raw coal is mixed with many impurities during the mining process, and the quality of coal is also different. Coal with small internal ash and large internal ash is mixed in Together. Coal washing is an industrial process that removes impurities in raw coal, or classifies high-quality coal and low-quality coal. The products produced after the coal washing process are generally divided into gangue, medium coal, B-grade clean coal, and A-grade clean coal. The finished coal after the coal washing process is usually called clean coal. Through coal washing, the cost of coal transportation can be reduced and the utilization rate of coal can be improved. Clean coal is generally used as energy for fuel, and clean coal of bituminous coal is generally used for coking. It requires Industrial processes such as desulfurization and impurity removal to meet the standards for coking.

However, the existing spraying device for coal washing can usually only be used by one coal flotation machine, and the efficiency is low; therefore, it does not meet the existing needs, so we propose a coal washing flotation agent spraying device.

Utility model content

The purpose of this utility model is to provide a coal washing flotation agent spraying device to solve the problem that the existing coal washing spraying device proposed in the above background technology can only be used by one coal flotation machine and has low efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions: a coal washing flotation agent spraying device, including a flotation agent storage tank, a feeding funnel is arranged above the flotation agent storage tank, and the flotation agent is stored A discharge pipe is provided on one side of the tank, a water pump is installed at one end of the discharge pipe, a water pump outlet is arranged above the water pump, an L-shaped water pipe is installed above the water pump outlet, and the inside of the L-shaped water pipe A flow control valve is installed, a spray pipe is installed at one end of the L-shaped water pipe, and there are three spray pipes, a spray tailpipe is installed at one end of the spray pipe, and a flange is arranged between the adjacent spray pipes , and two flanges are provided, a sealing ring is provided between the two flanges, a connecting through hole is provided inside the flange, and bolts are provided inside the connecting through hole, the A threaded rod is provided inside the bolt, and the threaded rod and the bolt are integrally structured, a nut is provided at one end of the threaded rod, and a screw hole is provided at the center of the flange.

Preferably, high-pressure nozzles are installed under the spray pipe and the spray tail pipe.

Preferably, a connection ear is provided above the spray pipe, and the connection ear is welded to the spray pipe.

Preferably, a flat washer is installed at the joint between the nut and the screw rod.

Preferably, a spring washer is provided on one side of the flat washer, and the spring washer and the flat washer are on the same level.

Preferably, the flange is threadedly connected to the spray pipe through screw holes.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model uses spraying pipes, and the number of spraying pipes can be adjusted according to the number of coal flotation machines, but the maximum number is not more than eight. The flange connection between adjacent spraying pipes is disassembled by means of flange connection. Convenience, high strength and good sealing performance, the joint operation of nozzles under multiple spray pipes can spray flotation agent for multiple coal flotation machines at the same time, effectively improving production efficiency.

2. By installing a flat washer and a spring washer at the connection between the nut and the screw rod, the flat washer and the spring washer work together to increase the contact area of the nut, disperse the pressure, protect the surface of the connected part from being scratched by the nut, and give the nut The pressure increases the friction between the nut and the bolt to prevent loosening and prolong the service life of the spray pipe.

3. By setting the flow control valve, the flow control valve can automatically adjust the flow of the high-pressure nozzle according to the amount of coal that needs to be flotation, saving the environment and avoiding waste.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the partially enlarged view of A place of the present utility model;

Fig. 3 is the partial structure schematic diagram of the flange plate of the present utility model;

In the figure: 1. Flotation agent storage tank; 2. Feed funnel; 3. Discharge pipe; 4. Water pump; 5. Water pump outlet; 6. L-shaped water pipe; 7. Flow control valve; 8. Spray pipe; 9 , connecting ear; 10, high-pressure nozzle; 11, flange; 111, connecting through hole; 112, screw hole; 12, spray tail pipe; 13, bolt; 14, screw rod; 15, nut; 16, flat washer; 17. Spring washer; 18. Sealing ring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Figures 1-3, an embodiment provided by the utility model: a coal washing flotation agent spraying device, including a flotation agent storage tank 1, a feed funnel 2 is arranged above the flotation agent storage tank 1, and The hopper 2 can more conveniently add the flotation agent to the flotation agent storage tank 1, one side of the flotation agent storage tank 1 is provided with a discharge pipe 3, and one end of the discharge pipe 3 is equipped with a water pump 4, and the water pump 4 can After the flotation agent is pressurized, it is introduced into the follow-up pipeline. A water pump outlet 5 is arranged above the water pump 4. An L-shaped water pipe 6 is installed above the water pump outlet 5. A flow control valve 7 is installed inside the L-shaped water pipe 6. The flow control valve 7 can adjust the flow rate of the high-pressure nozzle 10, one end of the L-shaped water pipe 6 is equipped with a spray pipe 8, and there are three spray pipes 8, the spray pipe 8 is used to install the high-pressure nozzle 10 for spraying work, one end of the spray pipe 8 is installed with a spray The tailpipe 12 is provided with a flange 11 between the adjacent spray pipes 8, and there are two flanges 11. The flange 11 plays a role in connecting the adjacent spray pipes 8. A sealing ring 18 is arranged between them, and the sealing ring 18 can enhance the sealing performance of the flange connection. The inside of the flange 11 is provided with a connection through hole 111, and the inside of the connection through hole 111 is provided with a bolt 13, and the inside of the bolt 13 is provided with a wire Rod 14, and screw rod 14 and bolt 13 are integral structure, and one end of screw rod 14 is provided with nut 15, and nut 15 has played the effect of locking bolt 13, and the center position of flange 11 is provided with screw hole 112, and screw hole 112 is used for being threaded with spray pipe 8.

Further, a high-pressure nozzle 10 is installed under the spray pipe 8 and the spray tail pipe 12. The high-pressure nozzle 10 can evenly and quickly spray the flotation agent in the coal flotation machine to realize the coal flotation work.

Further, the top of the spray pipe 8 is provided with a connecting ear 9, and the connecting ear 9 is welded to the spray pipe 8, and the connecting ear 9 plays the role of fixing the spray pipe 8, and the welding connection between the connecting ear 9 and the spray pipe 8 can effectively prevent it from falling off .

Further, a flat washer 16 is installed at the connection between the nut 15 and the screw rod 14. The flat washer 16 can increase the contact area of the nut 15, disperse the pressure, and protect the surface of the connected part from being scratched by the nut 15.

Further, one side of the flat washer 16 is provided with a spring washer 17, and the spring washer 17 and the flat washer 16 are on the same horizontal line, the spring washer 17 can give the nut 15 pressure, increase the frictional force between the nut 15 and the bolt 13, thereby To the role of anti-loosening.

Further, the flange 11 is threadedly connected to the spray pipe 8 through the screw hole 112, and the flange 11 is installed by threaded connection, which has a simple structure, reliable connection, and convenient assembly and disassembly.

Working principle: When in use, you can choose an appropriate amount of spray pipes 8 to connect according to the number of coal flotation machines, but no more than eight. The flanges 11 are used for flange connection between the spray pipes 8, and the flange connection is easy to disassemble. , high strength and good sealing performance. After the spray pipe 8 is connected, it can be fixed to the ceiling through the upper connecting ear 9. After the fixation is completed, the coal flotation machines are placed one by one under the nozzle of the spray pipe 8, and the water pump is turned on. 4. The water pump 4 will pressurize the flotation agent in the flotation agent storage tank 1 and introduce it into the spray pipe 8, and then spray it out from the high-pressure nozzle 10 below the spray pipe 8 to complete the spraying of the coal washing flotation agent. The flow rate of the nozzle 10 can be adjusted through the flow control valve 7 as required.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a coal washing flotation agent sprinkler, includes flotation agent holding vessel (1), its characterized in that: the flotation agent storage tank is characterized in that a feeding hopper (2) is arranged above the flotation agent storage tank (1), a discharging pipe (3) is arranged on one side of the flotation agent storage tank (1), a water pump (4) is installed at one end of the discharging pipe (3), a water pump outlet (5) is arranged above the water pump (4), an L-shaped water pipe (6) is installed above the water pump outlet (5), a flow control valve (7) is installed inside the L-shaped water pipe (6), a spraying pipe (8) is installed at one end of the L-shaped water pipe (6), three spraying pipes (8) are arranged, a spraying tail pipe (12) is installed at one end of each spraying pipe (8), a flange plate (11) is arranged between every two adjacent spraying pipes (8), two sealing rings (18) are arranged between every two flange plates (11), a connecting through hole (111) is arranged inside each flange plate (11), the novel flange plate is characterized in that a bolt (13) is arranged inside the connecting through hole (111), a screw rod (14) is arranged inside the bolt (13), the screw rod (14) and the bolt (13) are of an integral structure, a nut (15) is arranged at one end of the screw rod (14), and a screw hole (112) is formed in the center of the flange plate (11).

2. the coal washing flotation agent spraying device of claim 1, wherein: and high-pressure nozzles (10) are arranged below the spraying pipe (8) and the spraying tail pipe (12).

3. The coal washing flotation agent spraying device of claim 1, wherein: the upper part of the spray pipe (8) is provided with a connecting lug (9), and the connecting lug (9) is connected with the spray pipe (8) in a welding way.

4. The coal washing flotation agent spraying device of claim 1, wherein: and a flat washer (16) is arranged at the joint of the nut (15) and the screw rod (14).

5. the coal washing flotation agent spraying device as claimed in claim 4, wherein: and a spring washer (17) is arranged on one side of the flat washer (16), and the spring washer (17) and the flat washer (16) are on the same horizontal line.

6. The coal washing flotation agent spraying device of claim 1, wherein: the flange plate (11) is in threaded connection with the spray pipe (8) through a screw hole (112).