Device for recycling washing water of filter of coating machine

Abstract

A device for recycling washing water of a coating machine filter is characterized by comprising a filter blow-down valve, the filter blow-down valve is connected with a water inlet main pipeline, the water inlet main pipeline is connected with a water inlet, a vibrating screen mesh is arranged below the water inlet, a spraying device is arranged on the vibrating screen mesh, a water outlet is formed below the vibrating screen mesh, and a water outlet is formed below the water outlet. A drain outlet is formed above the vibrating screen, a vibrating screen motor is arranged below the vibrating screen, a water tank is arranged below the water outlet, and a water pump is arranged on the water tank; sewage enters the vibrating screen mesh along the water inlet, the vibrating screen motor controls the vibrating screen mesh to vibrate, the vertical vibration action is started to filter and separate inflow water on the vibrating screen mesh, white water flows to the water tank from the water outlet, the spraying device cleans the screen mesh, impurities such as material blocks flow to a pit from the sewage outlet, and the white water is pumped by the water pump for pulping and recycling. The material-water separation device can quickly and effectively perform material-water separation on washing water of the coating machine filter, and is simple in structure and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of filters for coating machines, in particular to a device for recycling flushing water of filters for coating machines. Background Art

[0002] Coating machines are mainly used for surface coating production of films, papers, etc. This machine coats the rolled substrate with a layer of glue, coating or ink with specific functions, and then rewinds it after drying. In the coated white board paper machine, there is little recycling of white water, excessive discharge of wastewater, and increased replenishment of clean water, resulting in low system temperature, poor bleaching effect, and high steam consumption. In order to solve the above problems, a device for recycling filter flushing water of a coating machine is proposed. Utility Model Content

[0003] According to the above existing technical problems, the utility model provides a device for recycling flushing water of a coating machine filter, which is characterized by comprising a filter drain valve, a water inlet main pipe, a water inlet, a spray device, a vibrating screen, a drain outlet, a water outlet, a vibrating screen motor, a water tank, and a water pump. The filter drain valve is connected to the water inlet main pipe, the water inlet main pipe is connected to the water inlet, a vibrating screen is arranged below the water inlet, a spray device is arranged on the vibrating screen, a water outlet is arranged below the vibrating screen, a drain outlet is arranged above the vibrating screen, a vibrating screen motor is arranged below the vibrating screen, a water tank is arranged below the water outlet, and a water pump is arranged on the water tank;

[0004] Furthermore, the water inlet main pipe has two branches, both of which are provided with valves, one of which is connected to the water inlet, and the other directly leads to the pit, the spray device is connected to the external controller and the water source, and the spray device is provided with a valve;

[0005] Furthermore, the vibrating screen is driven by a vibrating motor, a sewage outlet is arranged on the upper surface of the vibrating screen, the sewage outlet leads to a pit, a water outlet is arranged on the lower surface of the vibrating screen, the water outlet enters a water tank through a pipe, a liquid level sensor is arranged in the water tank, and the water tank liquid level sensor is connected to a water pump and an external controller.

[0006] Beneficial effects of the utility model:

[0007] The utility model discloses to discharge the sewage into the water inlet main pipe according to the cleaning time through the sewage discharge valve of the coating machine filter. The two branches of the water inlet main pipe open the valves according to the actual situation. The sewage enters the vibrating screen along the water inlet. The vibrating screen motor controls the vibration of the vibrating screen. The vertical vibration is turned on the vibrating screen to filter and separate the flushing water. The white water flows from the drain port to the sink. The valve of the spray device is opened at a fixed time to clean the screen. Impurities such as material blocks flow from the sewage outlet to the pit. The white water is pumped to the pulping reuse by a water pump. The material and water separation of the coating machine filter flushing water can be carried out quickly and effectively. The structure is simple and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the overall structure of a device for recycling flushing water of a coating machine filter according to the utility model;

[0009] As shown in the figure: 1 filter drain valve, 2 water inlet main pipe, 3 water inlet, 4 spray device, 5 vibrating screen, 6 drain outlet, 7 drain outlet, 8 vibrating screen motor, 9 water tank, 10 water pump, 11 pit, 12 pulping reuse. DETAILED DESCRIPTION

[0010] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0011] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0012] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0013] Example 1

[0014] The utility model provides a device for recycling flushing water of a filter of a coating machine, which is characterized by comprising a filter drain valve 1, a water inlet main pipe 2, a water inlet 3, a spray device 4, a vibrating screen 5, a drain outlet 6, a water outlet 7, a vibrating screen motor 8, a water tank 9, and a water pump 10. The filter drain valve 1 is connected to the water inlet main pipe 2, the water inlet main pipe 2 is connected to the water inlet 3, a vibrating screen 5 is arranged below the water inlet 3, the spray device 4 is arranged on the vibrating screen 5, the water outlet 7 is arranged below the vibrating screen 5, the drain outlet 6 is arranged above the vibrating screen 5, the vibrating screen motor 8 is arranged below the vibrating screen 5, the water tank 9 is arranged below the water outlet 7, and the water pump 10 is arranged on the water tank 9;

[0015] Furthermore, the water inlet main pipe 2 has two branches, both of which are provided with valves, one of which is connected to the water inlet 3, and the other directly leads to the pit 11, and the spray device 4 is connected to the external controller and the water source, and there is a valve on the spray device 4;

[0016] Furthermore, the vibrating screen 5 is driven by a vibrating motor 8. A sewage outlet 6 is provided on the upper surface of the vibrating screen 5, and the sewage outlet 6 leads to a pit 11. A water outlet 7 is provided on the lower surface of the vibrating screen 5, and the water outlet 7 enters a water tank 9 through a pipe. A liquid level sensor is provided in the water tank 9, and the liquid level sensor in the water tank 9 is connected to a water pump 10 and an external controller.

[0017] Example 2

[0018] When in use, the coating machine filter drain valve 1 discharges to the water inlet main pipe 2 according to the cleaning time, and the two branches of the water inlet main pipe 2 open the valves according to the actual situation. The sewage enters the vibrating screen 5 along the water inlet 3, and the vibrating screen motor 8 controls the vibration of the vibrating screen 5. The vertical vibration is turned on to act on the vibrating screen 5 to filter and separate the flushing water. The white water flows from the drain port 7 to the water tank 9, and the valve of the spray device 4 is opened at a fixed time to clean the screen. Impurities such as material blocks flow from the sewage outlet 6 to the pit 11. The white water is pumped to the pulping reuse 12 by the water pump 10. When in use, the white water can be transported to the spray device 4 through a pipeline for recycling. The spray device 4 is provided with a time interlock, and the 10-minute spray water valve is opened for 1 minute. The water pump 10 is provided with a liquid level interlock. When the liquid level in the water tank 9 is higher than 60%, the water pump 10 starts automatically, and when the liquid level in the water tank 9 is lower than 20%, the water pump 10 shuts down automatically.

[0019] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for recycling filter flushing water of a coating machine, characterized in that: It includes a filter drain valve, a water inlet main pipe, a water inlet, a spray device, a vibrating screen, a drain outlet, a water outlet, a vibrating screen motor, a water tank and a water pump. The filter drain valve is connected to the water inlet main pipe, the water inlet main pipe is connected to the water inlet, a vibrating screen is arranged below the water inlet, a spray device is arranged on the vibrating screen, a water outlet is arranged below the vibrating screen, a drain outlet is arranged above the vibrating screen, a vibrating screen motor is arranged below the vibrating screen, a water tank is arranged below the water outlet, and a water pump is arranged on the water tank.

2. The device for recycling filter flushing water of a coating machine according to claim 1, characterized in that: The water inlet main pipeline has two branches, both of which are provided with valves, one of which is connected to the water inlet, and the other directly leads to the pit, and the spray device is connected to an external controller and a water source, and the spray device is provided with a valve.

3. The device for recycling filter flushing water of a coating machine according to claim 2, characterized in that: The vibrating screen is driven by a vibrating motor. A sewage outlet is arranged on the upper surface of the vibrating screen, and the sewage outlet leads to a pit. A water outlet is arranged on the lower surface of the vibrating screen, and the water outlet enters a water tank through a pipe. A liquid level sensor is arranged in the water tank, and the water tank liquid level sensor is connected to a water pump and an external controller.

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