Emulsifying pump station for fully mechanized coal mining face

Abstract

The utility model discloses a fully mechanized coal mining face emulsification pump station which comprises a first emulsion tank, a second emulsion tank, a booster pump, an emulsification pump, an unloading valve and an energy accumulator, the top of the first emulsion tank is connected with an oil injection pump and a water injection valve, and an oil level sensor is installed in the first emulsion tank. The oil level sensor is electrically connected with the oil injection pump and the water injection valve through a controller; the lower part of the first emulsion tank is communicated with the second emulsion tank; a liquid level sensor and a liquid temperature sensor are arranged at the upper part of the second emulsion tank; the second emulsion tank is connected with the booster pump, the booster pump is sequentially connected with an emulsification pump, an unloading valve and an energy accumulator, an inlet pressure sensor and a branch outlet pressure sensor are installed at the inlet end and the outlet end of the emulsification pump respectively, and a total outlet pressure sensor is arranged at the outlet end of the middle of the energy accumulator. The device is high in automation degree, accurate in control and good in follow-up using effect.

Description

Technical Field

[0001] The utility model relates to an emulsified pump station for a fully mechanized mining working face, belonging to the technical field of coal mining auxiliary equipment. Background Art

[0002] The emulsion pump is used in the coal mining face to provide emulsion for the hydraulic support. The working principle is that the rotation of the crankshaft drives the piston to do reciprocating motion to achieve liquid suction and discharge. The hydraulic support is used to support the roof and provide a certain space for the coal mining machine to prevent the roof from collapsing. The emulsion is composed of about 95% water and about 5% oil. The hydraulic support is supported by the hydraulic cylinder to expand and contract.

[0003] The existing emulsification pump station requires manual operation to feed materials, which is cumbersome to operate and the control is not precise, affecting its use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an emulsification pump station for a fully mechanized mining working face to solve the technical problems existing in the above-mentioned prior art.

[0005] The technical solution adopted by the utility model is: an emulsified pump station for a fully mechanized mining working face, comprising a first emulsion tank, a second emulsion tank, a booster pump, an emulsified pump, an unloading valve and an accumulator, wherein the first emulsion tank and the second emulsion tank are both installed on the ground, an oil injection pump and a water injection valve are connected to the top of the first emulsion tank, an oil level sensor is installed in the upper part of the first emulsion tank, and the oil level sensor is electrically connected to the oil injection pump and the water injection valve through a controller; the lower part of the first emulsion tank is communicated with the second emulsion tank, and a liquid level sensor and a liquid temperature sensor are arranged on the upper part of the second emulsion tank; the middle part of the second emulsion tank is connected to the inlet end of the booster pump, and the outlet end of the booster pump is connected to the emulsified pump, the unloading valve and the accumulator in sequence, the accumulator is installed on the ground, the inlet end and the outlet end of the emulsified pump are respectively installed with an inlet pressure sensor and a branch outlet pressure sensor, and the outlet end of the middle part of the accumulator is provided with a total outlet pressure sensor.

[0006] Preferably, the number of the booster pumps is set to be more than 2 and they are connected in parallel.

[0007] Preferably, the number of the emulsification pumps is set to be more than 2 and they are connected in parallel.

[0008] Preferably, the liquid level sensor is a 4-20mA liquid level sensor.

[0009] Preferably, the liquid temperature sensor is a pt100 liquid temperature sensor.

[0010] Preferably, the oil level sensor is a 4-20mA oil level sensor.

[0011] Preferably, the inlet pressure sensor and outlet pressure sensor are 4-20mA pressure sensors.

[0012] Preferably, the total outlet pressure sensor is a 4-20mA pressure sensor.

[0013] The beneficial effects of the utility model are as follows: compared with the prior art, the utility model has a high degree of automation, precise control and good subsequent use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structure diagram of the utility model. DETAILED DESCRIPTION

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] The figure marks in the drawings of the specification include: a first emulsion tank 1, an oil level sensor 2, an oil filling pump 3, a water filling valve 4, a second emulsion tank 5, a liquid level sensor 6, a liquid temperature sensor 7, a boost pump 8, an inlet pressure sensor 9, an emulsification pump 10, a branch outlet pressure sensor 11, an unloading valve 12, an accumulator 13, and a total outlet pressure sensor 14.

[0017] Embodiment 1:

[0018] Emulsification pump station of fully mechanized mining face, such as Figure 1 As shown, it includes a first emulsion tank 1, a second emulsion tank 5, a booster pump 8, an emulsifying pump 10, an unloading valve 12 and an accumulator 13. The first emulsion tank 1 and the second emulsion tank 5 are both installed on the ground. The upper ends of the first emulsion tank 1 and the second emulsion tank 5 are arc-shaped surfaces. The top of the first emulsion tank 1 is connected with an oil injection pump 3 and a water injection valve 4. The water injection valve 4 is an automatic valve. An oil level sensor 2 is installed in the upper part of the first emulsion tank 1. The oil level sensor 2 is electrically connected with the oil injection pump 3 and the water injection valve 4 through a controller to realize automatic feeding of the first emulsion tank 1 according to the set ratio; the lower part of the first emulsion tank 1 is connected with the second emulsion tank 5, and the second emulsion tank 5 is connected with the oil injection pump 3 and the water injection valve 4. A liquid level sensor 6 and a liquid temperature sensor 7 are provided on the upper part of the emulsified liquid tank 5, and the liquid level sensor 6 and the liquid temperature sensor 7 are also electrically connected to the controller. The middle part of the second emulsified liquid tank 5 is connected to the inlet end of the boosting pump 8, and the outlet end of the boosting pump 8 is connected to the emulsification pump 10, the unloading valve 12 and the accumulator 13 in sequence. The accumulator 13 is installed on the ground. The inlet and outlet ends of the emulsification pump 10 are respectively installed with an inlet pressure sensor 9 and a branch outlet pressure sensor 11. The outlet end of the middle part of the accumulator 13 is provided with a total outlet pressure sensor 14. The inlet pressure sensor 9, the branch outlet pressure sensor 11 and the total outlet pressure sensor 14 are all electrically connected to the controller.

[0019] In this embodiment, Figure 1 As shown, the number of booster pumps 8 is set to two and they are connected in parallel with each other, and two emulsification pumps 10 are connected in parallel to the outlet end of one of the booster pumps 8 .

[0020] In this embodiment, the liquid level sensor 6 is a 4-20mA liquid level sensor.

[0021] In this embodiment, the liquid temperature sensor 7 is a pt100 liquid temperature sensor.

[0022] In this embodiment, the oil level sensor 2 is a 4-20mA oil level sensor.

[0023] In this embodiment, the inlet pressure sensor 9 and the outlet pressure sensor 11 are both 4-20 mA pressure sensors.

[0024] In this embodiment, the total outlet pressure sensor 14 is a 4-20mA pressure sensor.

[0025] In this embodiment, the controller is a ZYB127-Z mining hydraulic pump station controller.

[0026] In this embodiment, real-time remote monitoring is performed through parameter collection, and automatic feeding is controlled by a controller, with a high degree of automation and precise control.

[0027] The above description is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present utility model, which should be included in the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims

1. Emulsification pump station for fully mechanized mining working face, characterized by: The invention comprises a first emulsion tank, a second emulsion tank, a booster pump, an emulsifying pump, an unloading valve and an accumulator, wherein the first emulsion tank and the second emulsion tank are both installed on the ground, an oil injection pump and a water injection valve are connected to the top of the first emulsion tank, an oil level sensor is installed in the upper part of the first emulsion tank, and the oil level sensor is electrically connected to the oil injection pump and the water injection valve through a controller; the lower part of the first emulsion tank is communicated with the second emulsion tank, and a liquid level sensor and a liquid temperature sensor are arranged on the upper part of the second emulsion tank; the middle part of the second emulsion tank is connected to the inlet end of the booster pump, and the outlet end of the booster pump is connected to the emulsifying pump, the unloading valve and the accumulator in sequence, the accumulator is installed on the ground, the inlet end and the outlet end of the emulsifying pump are respectively installed with an inlet pressure sensor and a sub-outlet pressure sensor, and the outlet end of the middle part of the accumulator is arranged with a total outlet pressure sensor.

2. The emulsification pump station for fully mechanized mining working face according to claim 1 is characterized in that: The number of the booster pumps is set to be more than 2 and they are connected in parallel.

3. The emulsification pump station for fully mechanized mining working face according to claim 1 is characterized in that: The number of the emulsification pumps is set to be more than 2 and they are connected in parallel.

4. The emulsification pump station for fully mechanized mining working face according to claim 1 is characterized in that: The liquid level sensor is a 4-20mA liquid level sensor.

5. The emulsification pump station for fully mechanized mining working face according to claim 1 is characterized in that: The liquid temperature sensor is a pt100 liquid temperature sensor.

6. The emulsification pump station for fully mechanized mining working face according to claim 1 is characterized in that: The oil level sensor is a 4-20mA oil level sensor.

7. The emulsification pump station for fully mechanized mining working face according to claim 1 is characterized in that: The inlet pressure sensor and the outlet pressure sensor are 4-20mA pressure sensors.

8. The emulsification pump station for fully mechanized mining working face according to claim 1 is characterized in that: The total outlet pressure sensor is a 4-20mA pressure sensor.

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