Pressure type automatic rotary spraying defoaming device for earth pressure balance shield muck pool

Abstract

The utility model provides an earth pressure balance shield muck pool pressurization type automatic rotation spraying defoaming device which comprises a defoaming liquid box, a pressurization assembly and a spraying assembly, the pressurization assembly comprises a triple motor, an air storage tank and a middle partition plate, the air storage tank is welded to the top of the defoaming liquid box, the triple motor is arranged above the air storage tank, an air outlet pipe is arranged on the air storage tank, and the spraying assembly is arranged on the middle partition plate. The middle partition plate is transversely arranged in the defoaming liquid box and divides the defoaming liquid box into an upper air cushion bin and a lower liquid bin, the air outlet pipe is communicated with the air cushion bin, a pressure relief valve is arranged on the top of the defoaming liquid box, a liquid inlet pipe is arranged on the lower portion of the defoaming liquid box, and transverse supports are symmetrically arranged in the defoaming liquid box. The spraying assembly comprises a liquid outlet pipe, a horizontal rotation controller and an angle sensor, a five-part spraying head is arranged at the top end of the liquid outlet pipe, and an electric ball valve is arranged in the five-part spraying head; the spraying angle, the spraying distance and the spraying coverage range can be adjusted, the spraying effect is better, spraying is more uniform, the spraying efficiency is higher, and water resources can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field related to tunnel slag removal, in particular to a pressurized automatic rotary spraying and defoaming device for an earth pressure balance shield slag pool. Background Art

[0002] Earth pressure balance (EPB) shield machines are widely used in domestic tunnel construction due to their low cost, easy operation, and the fact that they do not require a large construction site. At the same time, the treatment of the large amount of waste soil generated by EPB shield construction year by year has become a difficult problem that needs to be solved urgently. In particular, the surfactants contained in the waste soil will produce a large amount of foam in the soil pit and other places. Adding chemical defoamers is an effective means to eliminate these foams. However, the large area of the soil pit, the continuous construction of surrounding gantry cranes and excavators, and the shortage of land on the construction site pose new challenges to the design of the defoamer spraying device. Therefore, the development of a defoamer spraying device with a small footprint, a large spraying range, and a high degree of automation is of great significance for the effective utilization of actual EPB shield soil. Utility Model Content

[0003] The utility model aims to provide a pressurized automatic rotary spray defoaming device for earth pressure balance shield slag pool, which can solve the problem of

[0004] To this end, the technical solution adopted by the utility model is: a pressurized automatic rotary spray defoaming device for an earth pressure balance shield slag pool, comprising a defoaming liquid tank, a pressurizing component arranged above the defoaming liquid tank and a spraying component arranged on the side of the defoaming liquid tank, the pressurizing component comprising a triple motor, an air storage tank and a middle partition, the air storage tank is welded to the top of the defoaming liquid tank through a foot support, the triple motor is arranged above the air storage tank, an air outlet pipe connected to the defoaming liquid tank is provided on the air storage tank, a pressure regulating valve and a pressure gauge are provided on the air outlet pipe, the middle partition is transversely arranged inside the defoaming liquid tank, and the defoaming liquid tank is divided into an upper air cushion tank and a lower liquid tank, The air outlet pipe is connected to the air cushion bin, a pressure relief valve is provided on the top of the defoaming liquid tank, a liquid inlet pipe connected to the liquid bin is provided on the left side of the lower part of the defoaming liquid tank, and cross braces are symmetrically provided inside the defoaming liquid tank. The height of the cross brace is higher than the liquid inlet pipe. The spray assembly includes a liquid outlet pipe arranged on the right side of the defoaming liquid tank at the same height as the liquid inlet pipe, a horizontal rotation controller arranged on the liquid outlet pipe, and an angle sensor arranged above the horizontal rotation controller. A five-part spray head is provided on the top of the liquid outlet pipe, and an electric ball valve is provided in the five-part spray head. The horizontal rotation controller and the angle sensor are fixed on the right side wall of the defoaming liquid tank.

[0005] More preferably, the horizontal rotation controller includes a through-hole motor, a turntable connected to the through-hole motor, and a fixed plate tilted above the turntable. A connection plate connected to the five-split spray head is fixedly connected above the fixed plate. A liquid outlet pipe passes through the through-hole motor and connects to the five-split spray head. The through-hole motor can drive the turntable to rotate within a range of 0-360 degrees, allowing the five-split spray head to cover all areas requiring defoaming, providing greater convenience and improved defoaming effect.

[0006] Further preferably, the defoaming liquid tank is provided with a control panel, which includes an interface for adjusting the spray range of the electric ball valve, an interface for adjusting the horizontal angle of the horizontal rotation controller, and an interface for controlling the liquid tank of the triple motor, pressure regulating valve, and pressure relief valve. The control panel is also provided with a power switch. Adjusting the spray angle and range through the control panel is more convenient, allowing for the flexible adjustment of the spray surface area, saving water resources, achieving better defoaming effects, and automatically adjusting the spray flow, saving manpower and material resources.

[0007] More preferably, the liquid inlet pipe is provided with a flow meter to record the amount of defoaming liquid entering the defoaming liquid tank, so as to facilitate adjustment of the liquid discharge rate of the liquid outlet pipe.

[0008] More preferably, the defoaming liquid tank is provided with a level gauge for monitoring the liquid level in the defoaming liquid tank. The liquid level in the defoaming liquid tank is monitored by the level gauge, and the liquid replenishment is controlled by the control panel.

[0009] More preferably, the defoaming liquid tank is provided with running wheels at the bottom and a traction ring is provided below the liquid outlet pipe, so as to facilitate movement at the construction site without affecting the normal operation of gantry cranes and excavators around the slag pit, and facilitate turnover and use between multiple construction sites.

[0010] The beneficial effects of the utility model are as follows: the pressure in the air cushion bin is changed by the pressurizing system, and the middle partition is squeezed to allow the defoaming liquid to enter the liquid outlet pipe for spraying. At the same time, the spraying angle is adjusted according to the horizontal rotation controller, and the spraying distance and the spray coverage range are adjusted by the electric ball valve. The spraying effect is better, the defoaming can be more accurate and purposeful, and more water resources can be saved; the liquid outlet efficiency of the spraying liquid is changed by adjusting the pressure in the air cushion bin, and the defoaming efficiency is improved; and the five-point spray head sprays more evenly and has higher spraying efficiency. The electric ball valve can increase the atomization degree of the spraying liquid and improve the defoaming efficiency, and will not affect the normal operation of the gantry crane and excavator around the slag pool. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the main view of the present utility model.

[0012] Figure 2It is a side view of the present utility model.

[0013] Figure 3 It is a structural diagram of the spray assembly in the utility model. DETAILED DESCRIPTION

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] like Figure 1-3 As shown, a pressurized automatic rotating spray defoaming device for an earth pressure balance shield slag pool includes a defoaming liquid tank 9, a pressurizing component arranged above the defoaming liquid tank 9, and a spraying component arranged on the side of the defoaming liquid tank 9.

[0016] The pressurizing assembly includes a triple motor 1, an air storage tank 2 and a middle partition 7. The air storage tank 2 is welded to the top of the defoaming liquid tank 9 through a foot support 26. The triple motor 1 is arranged above the air storage tank 2. The air storage tank 2 is provided with an air outlet pipe 3 connected to the defoaming liquid tank 9. The air outlet pipe 3 is provided with a pressure regulating valve 4 and a pressure gauge 5. The middle partition 7 is horizontally arranged inside the defoaming liquid tank 9, dividing the defoaming liquid tank 9 into an upper air cushion tank 6 and a lower liquid tank 8. The air outlet pipe 3 is connected to the air cushion tank 6, and a pressure relief valve 27 is provided on the top of the defoaming liquid tank 9.

[0017] A liquid inlet pipe 12 connected to the liquid tank 8 is provided on the left side of the lower portion of the defoaming liquid tank 9. A cross brace 13 is symmetrically provided inside the defoaming liquid tank 9. The cross brace 13 is higher than the liquid inlet pipe 12. A flow meter 11 is provided on the liquid inlet pipe 12 to record the amount of defoaming liquid entering the defoaming liquid tank 9 and facilitate adjustment of the liquid discharge rate of the liquid discharge pipe 21.

[0018] The spray assembly includes a liquid outlet pipe 21, arranged at the same height as the liquid inlet pipe 12 on the right side of the defoaming liquid tank 9, a horizontal rotation controller 22 arranged on the liquid outlet pipe 21, and an angle sensor 23 arranged above the horizontal rotation controller 22. The horizontal rotation controller 22 includes a through-hole motor 28, a turntable 29 connected to the through-hole motor 28, and a fixed disk 30 arranged obliquely above the turntable 29. A connecting disk 31 connected to the five-part spray head 24 is fixedly connected above the fixed disk 30. The liquid outlet pipe 21 passes through the through-hole motor 28 and connects to the five-part spray head 24. The through-hole motor 28 can drive the turntable 29 to rotate within a range of 0-360 degrees, allowing the five-part spray head 24 to cover all areas requiring defoaming, making it more convenient to use and achieving better defoaming effect.

[0019] The top of the liquid outlet pipe 21 is equipped with a five-split spray head 24, which is equipped with an electric ball valve 25. The horizontal rotation controller 22 and the angle sensor 23 are fixed to the right side wall of the defoaming liquid tank 9. The electric ball valve 25 is used to control the spraying of different nozzles of the five-split spray head 24, thereby adjusting the spray coverage area of the five-split spray head 24.

[0020] A control panel 14 is provided on the defoaming liquid tank 9. This control panel 14 includes a spray range adjustment interface 15 for controlling the electric ball valve 25, a horizontal angle adjustment interface 16 for controlling the horizontal rotation controller 22, and a liquid tank control interface 18 for controlling the triple motor 1, the pressure regulating valve 4, and the pressure relief valve 27. A power switch 17 is also provided on the control panel 14. Adjusting the spray angle and range through the control panel 14 is more convenient, allowing for the flexible adjustment of the spray coverage area, saving water resources, achieving better defoaming effects, and automatically adjusting the spray flow, saving manpower and material resources.

[0021] The defoaming liquid tank 9 is provided with a level gauge 10 for monitoring the liquid level state in the defoaming liquid tank 9. The liquid level state in the defoaming liquid tank 9 is monitored by the level gauge 10, and the control panel 14 controls the liquid replenishment.

[0022] The bottom of the defoaming liquid tank 9 is provided with a walking wheel 19, and a traction ring 20 is provided below the liquid outlet pipe 21. It is convenient to move on the construction site, will not affect the normal operation of the gantry crane and excavator around the slag pool, and is convenient for turnover use between multiple construction sites.

[0023] By changing the pressure in the air cushion bin 6 through the pressurizing system, the middle partition 7 is squeezed to allow the defoaming liquid to enter the liquid outlet pipe 21 for spraying. At the same time, the spraying angle is adjusted according to the horizontal rotation controller 22, and the spraying distance and the spraying coverage range are adjusted by the electric ball valve 25. The spraying effect is better, the defoaming can be more accurate and targeted, and more water resources can be saved; the liquid discharge efficiency of the spraying liquid is changed by adjusting the pressure in the air cushion bin 6, and the defoaming efficiency is improved; and the five-point spray head 24 sprays more evenly and has higher spraying efficiency. The electric ball valve can increase the atomization degree of the spraying liquid and improve the defoaming efficiency, and will not affect the normal operation of the gantry crane and excavator around the slag pool.

[0024] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A pressurized automatic rotary spray defoaming device for an earth pressure balance shield slag pool, characterized by: The invention comprises a defoaming liquid tank (9), a pressurizing assembly arranged above the defoaming liquid tank (9) and a spray assembly arranged on the side of the defoaming liquid tank (9), wherein the pressurizing assembly comprises a triple motor (1), an air storage tank (2) and a middle partition (7), wherein the air storage tank (2) is welded to the top of the defoaming liquid tank (9) through a foot support (26), the triple motor (1) is arranged above the air storage tank (2), an air outlet pipe (3) connected to the defoaming liquid tank (9) is arranged on the air storage tank (2), a pressure regulating valve (4) and a pressure gauge (5) are arranged on the air outlet pipe (3), the middle partition (7) is arranged transversely inside the defoaming liquid tank (9), and the defoaming liquid tank (9) is divided into an upper air cushion chamber (6) and a lower liquid chamber (8), the air outlet pipe (3) is connected to the air cushion chamber (6), and a pressure relief valve (4) and a pressure gauge (5) are arranged on the top of the defoaming liquid tank (9). 27), a liquid inlet pipe (12) connected to the liquid bin (8) is provided on the left side of the lower part of the defoaming liquid tank (9), a cross brace (13) is symmetrically provided inside the defoaming liquid tank (9), and the height of the cross brace (13) is higher than the liquid inlet pipe (12), the spray assembly includes a liquid outlet pipe (21) provided on the right side of the defoaming liquid tank (9) and at the same height as the liquid inlet pipe (12), a horizontal rotation controller (22) provided on the liquid outlet pipe (21), and an angle sensor (23) provided above the horizontal rotation controller (22), a five-point spray head (24) is provided at the top end of the liquid outlet pipe (21), an electric ball valve (25) is provided in the five-point spray head (24), and the horizontal rotation controller (22) and the angle sensor (23) are fixed on the right side wall of the defoaming liquid tank (9).

2. The pressurized automatic rotary spray defoaming device for an earth pressure balance shield slag pit according to claim 1 is characterized by: The horizontal rotation controller (22) comprises a through-hole motor (28), a turntable (29) connected to the through-hole motor (28), and a fixed disk (30) arranged obliquely above the turntable (29); a connecting disk (31) connected to a five-part sprinkler head (24) is fixedly connected above the fixed disk (30); and a liquid outlet pipe (21) passes through the through-hole motor (28) and is connected to the five-part sprinkler head (24).

3. The pressurized automatic rotary spray defoaming device for an earth pressure balance shield slag pit according to claim 1 is characterized by: The defoaming liquid tank (9) is provided with a control panel (14), the control panel (14) is provided with a spray range adjustment interface (15) for controlling the electric ball valve (25), a horizontal angle adjustment interface (16) for controlling the horizontal rotation controller (22), and a liquid tank control interface (18) for controlling the triple motor (1), the pressure regulating valve (4) and the pressure relief valve (27). The control panel (14) is also provided with a power switch (17).

4. The pressurized automatic rotary spray defoaming device for an earth pressure balance shield slag pit according to claim 3 is characterized by: The liquid inlet pipe (12) is provided with a flow meter (11).

5. The pressurized automatic rotary spray defoaming device for an earth pressure balance shield slag pit according to claim 4 is characterized by: The defoaming liquid tank (9) is provided with a liquid level meter (10) for monitoring the liquid level state in the defoaming liquid tank (9).

6. The pressurized automatic rotary spray defoaming device for an earth pressure balance shield slag pit according to claim 1 is characterized by: The bottom of the defoaming liquid tank (9) is provided with a walking wheel (19), and a traction ring (20) is provided below the liquid outlet pipe (21).

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