CN219615081U - Filter cloth cleaning water device of plate-and-frame filter press - Google Patents

Abstract

The utility model relates to a filter cloth cleaning water device of a plate-and-frame filter press, which comprises a filter press body and a filtrate water collecting tank, wherein the filtrate water collecting tank is connected with a water collecting tank through a water collecting tank drain pipe, a filtering baffle plate is arranged in the water collecting tank, clean water filtered by the water collecting tank enters a cleaning water tank through a water guide pipe, and effluent of the cleaning water tank returns to the filter press body through a water return pipe. The filter baffle plate is vertically arranged in the water collecting tank, and the filter baffle plate and the top of the water collecting tank are provided with water passing ports. The water collecting tank drain pipe is connected to the water outlet of the filtrate water collecting tank, and a filter screen is arranged on the inner side of the water outlet. The utility model realizes the recycling of waste water of the plate-and-frame filter press and avoids generating newly-added waste water. The filter screen is arranged in the filtrate water collecting tank, and the filter baffle is arranged in the water collecting tank, so that the circulating wastewater has fewer impurities, and the requirement of cleaning the filter cloth of the plate-and-frame filter press is met. Saving the consumption of new water for cleaning the filter cloth.

Description

Filter cloth cleaning water device of plate-and-frame filter press

Technical Field

The utility model relates to the field of sewage treatment, in particular to a filter cloth cleaning water device of a plate-and-frame filter press.

Background

The sludge generated in the sewage treatment process is usually concentrated, digested and dehydrated, and the dehydration process is a main flow process for sludge treatment of various large sewage treatment plants at present because the volume of the sludge can be greatly reduced. The plate-and-frame filter press is widely applied to the dehydration process by virtue of the advantages of large treatment capacity, low mud cake water content, simplicity in operation and the like. However, after each filter cloth of the plate-and-frame filter press runs for a certain period, the filter cloth needs to be cleaned, and the cleaning water source generally adopts industrial production water or domestic water, so that water resources are wasted, and meanwhile, the treatment load of a sewage treatment system on the cleaned wastewater is increased.

Patent CN114344968A discloses an environment-friendly membrane filter press, including support frame and filter-pressing board, the side of support frame is provided with first electric hydraulic push rod, the one end fixedly connected with clamp plate of first electric hydraulic push rod, fixed first adjusting part that sets up between the relative inner wall of support frame. Compared with the prior art, the environment-friendly membrane filter press has the advantages that the first adjusting component, the second adjusting component and the filter frame are adopted, compared with the prior art, the position between the filter pressing plates is adjusted through the first adjusting component, the horizontal position of the spray head is adjusted through the second adjusting component, the second electric hydraulic push rod drives the spray head to ascend or descend, water is sprayed out through the spray head through the pump, the spray head washes the filter pressing plates, the filter pressing plates are convenient to clean, more convenient and labor-saving are achieved, waste water generated by cleaning flows into the water tank, and the waste water can be recycled through the filtration of the filter screen. The waste water recovered by the device contains a large amount of impurities, and is easy to block the spray head, so that production stopping accidents are caused.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a filter cloth cleaning water device of a plate-and-frame filter press, which is energy-saving and consumption-reducing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plate and frame filter press filter cloth washs water installation, plate and frame filter press includes pressure filter body, filtrate water catch bowl, the filtrate water catch bowl is connected with the header tank through the water catch bowl drain pipe, be equipped with the filtration baffle in the header tank, the clear water after the header tank filters gets into the wash tank through the aqueduct, the play water of wash tank returns to the pressure filter body through the wet return.

As a further scheme of the utility model, the filtering baffle is vertically arranged in the water collecting tank, and the filtering baffle and the top of the water collecting tank are provided with water passing ports.

As a further aspect of the utility model, the sump drain pipe enters from the top of the sump and extends to the bottom of the sump.

As a further scheme of the utility model, the water collecting tank drain pipe is connected to a water outlet of the filtrate water collecting tank, and a filter screen is arranged on the inner side of the water outlet.

As a further scheme of the utility model, the upper tank wall of the water collecting tank is connected with an overflow pipe, the bottom tank wall of the water collecting tank is connected with an outer drain pipe, and the overflow pipe and the water outlet of the outer drain pipe are led to a drainage well.

As a further scheme of the utility model, the connecting position of the water guide pipe and the water collecting tank is higher than the top of the filtering baffle.

As a further scheme of the utility model, the circulating pump is arranged on the water return pipe.

As a further scheme of the utility model, the bottom of the cleaning water tank is provided with an emptying pipe.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model realizes the recycling of waste water of the plate-and-frame filter press and avoids generating newly-added waste water. The filter screen is arranged in the filtrate water collecting tank, and the filter baffle is arranged in the water collecting tank, so that the circulating wastewater has fewer impurities, and the requirement of cleaning the filter cloth of the plate-and-frame filter press is met. Saving the consumption of new water for cleaning the filter cloth.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: the filter press comprises a filter press body 1, a filtrate water collecting tank 2, a water collecting tank drain pipe 3, an emptying pipe 4, a water collecting tank 5, a cleaning water tank 6, a filtering baffle 7, an overflow pipe 8, an outer drain pipe 9, a water return pipe 10, a water guide pipe 11, a circulating pump 12 and a filter screen 13.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1, a plate-and-frame filter press filter cloth cleaning water device, the plate-and-frame filter press includes pressure filter body 1, filtrate water catch bowl 2 is connected with water catch bowl 5 through water catch bowl drain pipe 3, be equipped with in the water catch bowl 5 and filter baffle 7, the clear water after the water catch bowl 5 filters gets into washing water tank 6 through aqueduct 11, the play water of washing water tank 6 returns to pressure filter body 1 through wet return 10.

The filtering baffle 7 is vertically arranged in the water collecting tank 5, and the filtering baffle 7 and the top of the water collecting tank 5 are provided with water passing ports.

The water collecting tank drain pipe 3 enters from the top of the water collecting tank 5 and extends to the bottom of the water collecting tank 5.

The water collecting tank drain pipe 3 is connected to a water outlet of the filtrate water collecting tank 2, and a filter screen 13 is arranged on the inner side of the water outlet.

The upper tank wall of the water collecting tank 5 is connected with an overflow pipe 8, the bottom tank wall of the water collecting tank 5 is connected with an outer drain pipe 9, and the overflow pipe 8 and the water outlet of the outer drain pipe 9 are led to a drainage well.

The connecting position of the water guide pipe 11 and the water collecting tank 5 is higher than the top of the filtering baffle 7.

The return pipe 10 is provided with a circulating pump 12.

The bottom of the cleaning water tank 6 is provided with an emptying pipe 4.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further. Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

In order to make the purposes, technical schemes and technical effects of the utility model clearer, the technical schemes in the embodiments of the utility model are clearly and completely described. The embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without the benefit of the teachings of this utility model, are intended to be within the scope of the utility model.

Example 1

The utility model provides a plate and frame filter press filter cloth washs water installation, plate and frame filter press includes pressure filter body 1, filtrate water catch bowl 2, and filtrate water catch bowl 2 is connected with 2 m cube's header tank 5 through water catch bowl drain pipe 3, and water catch bowl drain pipe 3 connects on the outlet of filtrate water catch bowl 2, and the outlet inboard is equipped with filter screen 13. The filter screen 13 is a 16-mesh screen.

The sump drain pipe 3 enters from the top of the sump 5 and extends to the bottom of the sump 5. The water collection tank 5 is internally provided with a filtering baffle 7, the filtering baffle 7 is vertically arranged in the water collection tank 5 and is transversely equal in width to the water collection tank 5, and the height of the filtering baffle 7 is 1.8 meters. The clear water filtered by the water collecting tank 5 enters the cleaning water tank 6 through the water guide pipe 11 to be connected, and the distance between the water guide pipe 11 and the top surface of the water collecting tank 5 is 0.25 meter. The horizontal distance of the filtering baffle 7 from the wall of the box where the water guide pipe 11 is located is 0.5 m.

The overflow pipe 8 is connected to the upper tank wall of the other side of the water collecting tank 5, the outer drain pipe 9 is connected to the bottom tank wall of the water collecting tank 5, and the overflow pipe 8 and the outlet water of the outer drain pipe 9 are led to the drainage well.

The outlet water of the cleaning water tank 6 returns to the filter press body 1 through the return pipe 10. The return pipe 10 is provided with a circulation pump 12. An emptying pipe 4 is arranged at the bottom of the cleaning water tank 6.

Example 2

The utility model provides a plate and frame filter press filter cloth washs water installation, plate and frame filter press includes pressure filter body 1, filtrate water catch bowl 2, and filtrate water catch bowl 2 is connected with 2 m cube's header tank 5 through water catch bowl drain pipe 3, and water catch bowl drain pipe 3 connects the outlet on filtrate water catch bowl 2 cell wall, just the outlet inboard is equipped with filter screen 13. The filter screen 13 is a 20-mesh screen.

The sump drain pipe 3 enters from the top of the sump 5 and extends to the bottom of the sump 5. The water collection tank 5 is internally provided with a filtering baffle 7, the filtering baffle 7 is vertically arranged in the water collection tank 5 and is transversely equal in width with the water collection tank, and the height of the filtering baffle 7 is 1.75 meters. The clear water filtered by the water collecting tank 5 enters the cleaning water tank 6 through the water guide pipe 11 to be connected, and the distance between the water guide pipe 11 and the top surface of the water collecting tank 5 is 0.28 meter. The horizontal distance of the filter baffle 7 from the wall of the box where the water guide pipe 11 is located is 0.6 m.

The overflow pipe 8 is connected to the upper tank wall of the other side of the water collecting tank 5, the outer drain pipe 9 is connected to the bottom tank wall of the water collecting tank 5, and the overflow pipe 8 and the outlet water of the outer drain pipe 9 are led to the drainage well.

The outlet water of the cleaning water tank 6 returns to the filter press body 1 through the return pipe 10. The return pipe 10 is provided with a circulation pump 12. An emptying pipe 4 is arranged at the bottom of the cleaning water tank 6.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a plate and frame filter press filter cloth washs water installation, plate and frame filter press includes pressure filter body, filtrate water catch bowl, its characterized in that, the filtrate water catch bowl passes through the water catch bowl drain pipe and is connected with the header tank, be equipped with the filtration baffle in the header tank, the clear water after the header tank filters gets into the washing water tank through the aqueduct, the play water of washing water tank returns to the pressure filter body through the wet return.

2. The filter cloth cleaning water device of the plate-and-frame filter press according to claim 1, wherein the filtering baffle is vertically arranged in the water collecting tank, and the filtering baffle and the top of the water collecting tank are provided with water passing ports.

3. A filter cloth cleaning water device of a plate and frame filter press according to claim 1, wherein the water collecting tank drain pipe enters from the top of the water collecting tank and extends to the bottom of the water collecting tank.

4. The apparatus according to claim 1, wherein the drain pipe of the water collecting tank is connected to the drain port of the filtrate collecting tank, and a filter screen is provided inside the drain port.

5. The filter cloth washing water device of the plate and frame filter press according to claim 1, wherein the upper tank wall of the water collecting tank is connected with an overflow pipe, the bottom tank wall of the water collecting tank is connected with an outer drain pipe, and the overflow pipe and the water discharged from the outer drain pipe are led to a drainage well.

6. The apparatus according to claim 1, wherein the water guide pipe is connected to the header at a position higher than the top of the filter partition.

7. The apparatus according to claim 1, wherein the water return pipe is provided with a circulation pump.

8. The apparatus of claim 1, wherein the bottom of the cleaning tank is provided with an emptying pipe.