Filter press extrusion water and filter cloth washing water combined water supply device

Abstract

The utility model discloses a filter press extrusion water and filter cloth washing water combined water supply device which comprises a filter press main body, a water supply station is arranged on one side of the bottom of a filter press, the water supply station comprises a water outlet and a water inlet, a water outlet pipeline is arranged at the water outlet of the water supply station, and a variable-frequency high-pressure water pump is arranged on the water outlet pipeline; a water supply tank and an automatic water supplementing pipe are arranged on the side, away from the water supply station, of the high-pressure water pump, a three-way shunt valve is arranged on a water supply pipeline, one path of the water outlet end of the three-way shunt valve is communicated with a diaphragm extrusion water pipeline, and the other path of the water outlet end of the three-way shunt valve is communicated with a filter cloth cleaning pipeline; by arranging the three-way shunt valve, the use of a high-pressure water pump and a water tank water supply system can be reduced, the cost is effectively reduced, meanwhile, the operation space is reduced, and the personnel safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter press technical field, specifically, especially, a kind of filter press diaphragm extrusion water station and filter cloth washing water separation device. BACKGROUND

[0002] The existing vertical plate-frame filter press needs high-pressure water supply when carrying out filter press diaphragm extrusion and cleaning filter cloth, to extrude filter cake and clean filter cloth;The water supply of the existing vertical filter press is carried out by two water supply pipelines respectively, and two sets of high-pressure water pump systems are also provided to control and use respectively, which occupies installation space and increases equipment cost. SUMMARY

[0003] The utility model discloses a filter press extrusion water and filter cloth washing water combined water supply device, which is proposed to solve the shortcomings in the prior art, and comprises a filter press main body, a water supply station is arranged on one side of the bottom of the filter press, the water supply station comprises a water outlet and a water inlet, a water outlet of the water supply station is provided with a water outlet pipeline, and a high-pressure water pump is arranged on the water outlet pipeline.

[0004] A water supply pipe is arranged on the side, away from the water supply station, of the high-pressure water pump, a three-way water distribution valve is arranged on the water supply pipe, one way of the water outlet end of the three-way water distribution valve is communicated with a filter press diaphragm extrusion water pipeline, and another way of the water outlet end of the three-way water valve is communicated with a filter cloth cleaning pipeline.

[0005] Preferably, the three-way water distribution valve is a one-in and two-out three-way automatic valve.

[0006] Preferably, a water return pipeline is further arranged on the water supply station, and the other end of the water return pipeline is connected with the water outlet end of the filter press main body.

[0007] Preferably, the water tank is automatically replenished to a certain water level when the water level is low.

[0008] Preferably, the system can automatically adjust the power frequency of the high-pressure water pump frequency converter to meet the respective water pressures according to the diaphragm extrusion water pressure and the filter cloth washing water pressure requirements.

[0009] Compared with the prior art, the utility model has the beneficial effects that: through the three-way water distribution valve, one high-pressure water pump water supply system (water tank, water pump, frequency converter) can be reduced, the cost is effectively reduced, the operation space is reduced, and the safety of personnel is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 A kind of filter press extrusion water and filter cloth washing water combined water supply device overall structure schematic view is proposed for the utility model.

[0011] In the figure, water supply station 1, water outlet pipeline 2, high-pressure water pump 3, water supply pipe 4, three-way water distribution valve 5, filter press diaphragm extrusion water pipeline 6, filter cloth cleaning pipeline 7, backwater pipeline 8. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0013] With reference to the drawings, the embodiment provides a filter press extrusion water and filter cloth washing water combined water supply device, which comprises a filter press main body, a water supply station 1 is arranged on one side of the bottom of the filter press main body, the water supply station 1 comprises a water outlet and an automatic water inlet, the water outlet of the water supply station 1 is provided with a water outlet pipeline 2, and a high-pressure water pump 3 is arranged on the water outlet pipeline 2; further, an automatic water replenishing water tank (not shown in the figure) can also be arranged between the water supply station and the high-pressure water pump inlet, and the water tank is provided with an automatic water replenishing valve; so as to ensure water storage;

[0014] The high-pressure water pump 3 is provided with a water supply pipe 4 on the side away from the water supply station, a three-way water distribution valve 5 is arranged on the water supply pipeline 4, one way of the water outlet end of the three-way water distribution valve 5 is communicated with a filter press diaphragm extrusion pipeline 6, and the other way of the water outlet end of the three-way water valve 5 is communicated with a filter cloth cleaning pipeline 7; it should be noted that the high-pressure water pump 3 in the embodiment is controlled by an external electric control box or control system, the control system is programmed in advance, and the control system can automatically adjust the power frequency of the high-pressure water pump frequency converter according to the diaphragm extrusion water pressure and the filter cloth washing water pressure requirement.

[0015] Further, the three-way water distribution valve 5 is a three-way automatic valve with one inlet and two outlets.

[0016] Further, the water supply station is further provided with a backwater pipeline 8, and the other end of the backwater pipeline 8 is connected with the water outlet end of the filter press main body.

[0017] Working principle:

[0018] When the filter press needs to extrude the filter cake through the diaphragm, first, the automatic water replenishing valve of the water tank is opened, the frequency is set according to the diaphragm extrusion water pressure, the high-pressure water pump is started, and the three-way water distribution valve is opened, so that the water supply pipeline is communicated with the filter press diaphragm extrusion water pipeline, the filter press diaphragm is pressurized, the water in the filter cake is extruded, and after the extrusion is completed, the extrusion water is recycled to the water supply station through the backwater pipeline for repeated use.

[0019] When the filter cloth needs to be cleaned, the high-pressure water pump is started at a frequency set according to the filter cloth cleaning water pressure, and the three-way water distribution valve is automatically opened, so that the water supply pipeline is communicated with the filter cloth cleaning pipeline, and water is supplied to the filter cloth cleaning pipeline 7 to clean the filter cloth.

[0020] In the above embodiment and working principle, the automatic three-way water distribution valve can reduce the use of one high-pressure water pump system, effectively reduce the cost, and reduce the operation space.

[0021] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for combining the supply of water squeezed from a filter press and water used for washing the filter cloth, comprising a filter press body, characterized in that, A water supply station (1) is provided on one side of the bottom of the filter press. The water supply station (1) includes an outlet and an inlet. The outlet of the water supply station (1) is provided with an outlet pipe (2), and a high-pressure water pump (3) is provided on the outlet pipe (2). The high-pressure water pump (3) is provided with a water supply pipe (4) on the side away from the water supply station (1). A three-way water distribution valve (5) is provided on the water supply pipe (4). One outlet of the three-way water distribution valve (5) is connected to the diaphragm squeezing water pipeline (6), and the other outlet of the three-way water distribution valve (5) is connected to the filter cloth cleaning pipeline (7).

2. The combined water supply device for press squeeze water and filter cloth washing water according to claim 1, characterized in that: The three-way water distribution valve (5) is a one-inlet, two-outlet three-way automatic valve.

3. The combined water supply device for press squeeze water and filter cloth washing water according to claim 1, characterized in that: The water supply station (1) is also equipped with a return water pipeline (8), and the other end of the return water pipeline (8) is connected to the water outlet of the filter press body diaphragm.

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