CN216755500U

CN216755500U - Medium recovery filter

Info

Publication number: CN216755500U
Application number: CN202220440842.9U
Authority: CN
Inventors: 陈晓东
Original assignee: Spirit Of Tianjin City Water Treatment Equipment Co ltd
Current assignee: Spirit Of Tianjin City Water Treatment Equipment Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-17
Anticipated expiration: 2032-03-02

Abstract

The utility model provides a medium recovery filter, which comprises a vertical barrel filter; a vertically arranged wedge-shaped filter stick is arranged in the vertical barrel filter; a water inlet at the bottom of the vertical barrel filter and a water outlet at the top of the vertical barrel filter are respectively connected with the left end and the right end of the four-way reversing valve; the upper end of the four-way reversing valve is connected with a water outlet valve, the lower end of the four-way reversing valve is connected with a water outlet of a circulating water pump, and a water inlet of the circulating water pump is connected with a raw water valve. The medium recovery filter can realize the interception and filtration of the waste water containing the diatomite or the perlite generated by the common multi-medium filter during the back washing, the filtered clean water can be continuously used for the back washing of the filter equipment, the direct recovery of the mediums such as the diatomite or the perlite is realized, and simultaneously, the consumption of clean water sources during the back washing of the traditional multi-medium filter is greatly reduced.

Description

Medium recovery filter

Technical Field

The utility model belongs to the field of environment-friendly filtering equipment, and particularly relates to a medium recycling filter.

Background

With the continuous development of social economy, the use demand of water resources in social industrial production and daily life is more and more large, how to save precious water resources and simultaneously ensure the water quality is a problem which is more and more concerned by people. Under the prior art, common water filtration equipment usually uses diatomite or perlite as a filtration medium, and needs to use a large amount of clean water for backwashing after being used for a period of time so as to ensure the stability of the performance of the filtration equipment, so that the problem that clean water source consumption is large when the diatomite or the perlite cannot be recycled and washed generally exists.

Disclosure of Invention

In view of the above, the present invention provides a medium recycling filter, which uses a vertical barrel filter, a four-way reversing valve, a spiral pusher and a circulating water pump in cooperation, so as to realize intercepting and filtering of waste water containing diatomite or perlite generated during backwashing of a common multi-medium filter, and the filtered clean water can be continuously used for backwashing of a filtering device, so as to realize direct recycling of mediums such as diatomite or perlite, and greatly reduce the consumption of clean water source during backwashing of the conventional multi-medium filter.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a medium recovery filter comprises a vertical barrel filter; a vertically arranged wedge-shaped filter stick is arranged in the vertical barrel filter; a water inlet at the bottom of the vertical barrel filter and a water outlet at the top of the vertical barrel filter are respectively connected with the left end and the right end of the four-way reversing valve; the upper end of the four-way reversing valve is connected with a water outlet valve, the lower end of the four-way reversing valve is connected with a water outlet of a circulating water pump, and a water inlet of the circulating water pump is connected with a raw water valve; the water inlet of the circulating water pump is connected with one end of the circulating valve, and the other end of the circulating valve is connected with the upper end of the four-way reversing valve; the bottom of the vertical barrel filter is provided with a spiral pusher, and the bottom of the vertical barrel filter is provided with a slag discharge valve matched with the spiral pusher.

Furthermore, a plurality of vertical barrel filters are arranged, water outlets at the tops of all the vertical barrel filters are communicated, and water inlets at the bottoms of all the vertical barrel filters are communicated.

Furthermore, the water outlet of the raw water valve is connected with the water inlet of the circulating water pump through the primary filter.

Furthermore, a water inlet of the circulating water pump is connected with a medicine adding barrel.

Furthermore, a drain valve is arranged at the bottom of the vertical barrel filter.

Furthermore, the control end of the four-way reversing valve, the control end of the spiral material pusher and the control end of the circulating water pump are respectively connected with the control cabinet.

Compared with the prior art, the medium recovery filter has the following advantages:

firstly, the medium recovery filter disclosed by the utility model can be used for filtering the waste water containing diatomite or perlite generated by a common multi-medium filter during backwashing, and the filtered clean water can be continuously used for backwashing, so that the water consumption is greatly saved.

Secondly, the medium recovery filter disclosed by the utility model can be used for filtering and recovering diatomite or perlite in backwashing wastewater of a common multi-medium filter, so that better environmental protection is realized.

Thirdly, the medium recovery filter disclosed by the utility model can realize the switching among the filtering function, the flushing function and the internal circulation operation mode through the cooperation among the circulating valve, the four-way reversing valve and the water outlet valve, and has the characteristics of rich functions and convenience in operation.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic front view of a media recovery filter according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a media recovery filter according to an embodiment of the present invention;

FIG. 3 is a schematic left view of a media recovery filter according to an embodiment of the present invention.

Description of reference numerals:

1-a water outlet valve; 2-circulating valve; 3-raw water valve; 4-a primary filter; 5-a circulating water pump; a 6-four-way reversing valve; 7-a vertical barrel filter; 8-a medicine adding barrel; 9-a control cabinet; 10-a water escape valve; 11-a spiral pusher; 12-a slag discharge valve.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, a media recovery filter includes a vertical drum filter 7; a vertically arranged wedge-shaped filter stick is arranged in the vertical barrel filter 7; a water inlet at the bottom of the vertical barrel filter 7 and a water outlet at the top of the vertical barrel filter 7 are respectively connected with the left end and the right end of the four-way reversing valve 6; the upper end of the four-way reversing valve 6 is connected with the water outlet valve 1, the lower end of the four-way reversing valve 6 is connected with the water outlet of the circulating water pump 5, and the water inlet of the circulating water pump 5 is connected with the raw water valve 3; a water inlet of the circulating water pump 5 is connected with one end of the circulating valve 2, and the other end of the circulating valve 2 is connected with the upper end of the four-way reversing valve 6; the bottom of the vertical barrel filter 7 is provided with a spiral pusher 11, and the bottom of the vertical barrel filter 7 is provided with a slag discharge valve 12 matched with the spiral pusher 11.

As shown in fig. 2-3, a drain valve 10 is arranged at the bottom of the vertical barrel filter 7.

In this embodiment, the media recovery filter can implement the following functional flow:

and (3) filtering function:

the waste water containing diatomite or perlite outside is connected into a raw water valve 3, a circulating valve 2 is closed, a four-way reversing valve 6 is set in a filtering state, a lower connector of the four-way reversing valve 6 is communicated with a left connector, an upper connector of the four-way reversing valve 6 is communicated with a right connector, the circulating valve 2 is opened, the waste water is pushed by the circulating valve 2 and enters a water inlet at the bottom of a vertical barrel filter 7 through the four-way reversing valve 6, the waste water containing the diatomite or perlite forms a filter membrane on the surface of a wedge-shaped filter stick in the vertical barrel filter 7, the diatomite or the perlite is attached to the surface of the wedge-shaped filter stick, the turbidity of the filtered water is less than 0.3NTU, the filtered clean water enters the wedge-shaped filter stick and is discharged through a water outlet at the top of the vertical barrel filter 7, enters the four-way reversing valve 6 and is finally discharged through a water outlet valve 1 and is used as back washing water of a common multi-medium filter again.

In the operation of the filtering function, if the water outlet valve 1 is closed and the circulating valve 2 is opened, the internal circulation operation mode of the medium recovery filter can be realized.

The medium recovery function:

the medium recovery filter is in a static state for 4 hours, in the period, the diatomite or perlite medium attached to the surface of the wedge-shaped filter stick in the vertical barrel filter 7 automatically falls off downwards and is deposited in a bin of the spiral pusher 11 at the bottom of the vertical barrel filter 7, at the moment, the drain valve 10 is opened to drain the water in the vertical barrel filter 7, the residue discharge valve 12 is further opened, the spiral pusher 11 is started to discharge the deposited diatomite or perlite medium, and the medium recovery is completed.

The flushing function:

external washing water is connected into the raw water valve 3, the circulating valve 2 is closed, the four-way reversing valve 6 is set in a washing state, the lower connector of the four-way reversing valve 6 is communicated with the right connector, the upper connector of the four-way reversing valve 6 is communicated with the left connector, the circulating valve 2 is opened, the washing water flows reversely at the moment and enters through the water outlet in the top of the vertical barrel filter 7, after the wedge-shaped filter rods are washed from inside to outside, the washing water is discharged from the water inlet in the bottom of the vertical barrel filter 7 and finally discharged from the water outlet valve 1 through the four-way reversing valve 6, and the internal washing of the medium recovery filter is realized.

As shown in fig. 1-2, a plurality of vertical barrel filters 7 are provided, water outlets at the top of all the vertical barrel filters 7 are communicated, and water inlets at the bottom of all the vertical barrel filters 7 are communicated.

As shown in fig. 1, the water outlet of the raw water valve 3 is connected with the water inlet of the circulating water pump 5 through the primary filter 4.

In this embodiment, the primary filter 4 may filter large particulate solid matter in the wastewater in advance.

As shown in the figure 1-2, the water inlet of the circulating water pump 5 is connected with a medicine adding barrel 8.

In this embodiment, the medium recovery filter may have a phenomenon that the vertical barrel filter 7 is clogged due to a long-term operation, and the operation efficiency is lowered, and at this time, the sodium hypochlorite solution is put into the chemical adding barrel 8 to wash and discharge the dirt attached to the vertical barrel filter 7.

As shown in fig. 2-3, the control end of the four-way reversing valve 6, the control end of the spiral pusher 11 and the control end of the circulating water pump 5 are respectively connected with the control cabinet 9.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A medium recovery filter is characterized in that: comprises a vertical barrel filter (7); a vertically arranged wedge-shaped filter stick is arranged in the vertical barrel filter (7); a water inlet at the bottom of the vertical barrel filter (7) and a water outlet at the top of the vertical barrel filter (7) are respectively connected with the left end and the right end of the four-way reversing valve (6); the upper end of the four-way reversing valve (6) is connected with the water outlet valve (1), the lower end of the four-way reversing valve (6) is connected with the water outlet of the circulating water pump (5), and the water inlet of the circulating water pump (5) is connected with the raw water valve (3); a water inlet of the circulating water pump (5) is connected with one end of the circulating valve (2), and the other end of the circulating valve (2) is connected with the upper end of the four-way reversing valve (6); the bottom of the vertical barrel filter (7) is provided with a spiral pusher (11), and the bottom of the vertical barrel filter (7) is provided with a slag discharge valve (12) matched with the spiral pusher (11).

2. A media recovery filter according to claim 1, wherein: the vertical barrel filters (7) are multiple, water outlets in the tops of the vertical barrel filters (7) are communicated, and water inlets in the bottoms of the vertical barrel filters (7) are communicated.

3. A media recovery filter according to claim 1, wherein: the water outlet of the raw water valve (3) is connected with the water inlet of the circulating water pump (5) through the primary filter (4).

4. A media recovery filter according to claim 1, wherein: the water inlet of the circulating water pump (5) is connected with a medicine adding barrel (8).

5. A media recovery filter according to claim 1, wherein: the bottom of the vertical barrel filter (7) is provided with a drain valve (10).

6. A media recovery filter according to claim 1, wherein: the control end of the four-way reversing valve (6), the control end of the spiral material pusher (11) and the control end of the circulating water pump (5) are respectively connected with a control cabinet (9).