CN214913676U

CN214913676U - Sand filter of pulse back flush

Info

Publication number: CN214913676U
Application number: CN202023304776.2U
Authority: CN
Inventors: 吴伟
Original assignee: Hubei Zhongyu Environmental Protection Technology Co ltd
Current assignee: Hubei Zhongyu Environmental Protection Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-30
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a sand filter of pulse back flush, including the cell body, be equipped with the bearing board in the cell body, form the water distribution room between bearing board bottom and the cell body, the vertical many hollow tubes that are provided with in the water distribution room, the bearing board all runs through on every hollow tube upper end, and water distribution room lateral wall upper end is equipped with intake pipe and gas outlet pipe, and water distribution room lateral wall lower extreme is equipped with inlet tube and scum pipe, and the bearing board top is equipped with the coal sand filtering layer, forms the clean water room between coal sand filtering layer top and the cell body, and the clean water room lateral wall is equipped with the outlet pipe. The utility model has the advantages that: the sand filter tank for pulse backwashing has the advantages of low water consumption, good backwashing effect and no need of a backwashing pump.

Description

Sand filter of pulse back flush

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a sand filter of pulse back flush.

Background

In sewage treatment, the filter tank mainly plays a role in filtration, and in the aspect of back flushing, the conventional filter tank is generally back flushed by high-strength water, so that the water consumption is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a pulse backwashing sand filter is provided, which solves the defects of the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the sand filter tank comprises a tank body, wherein a bearing plate is arranged in the tank body, a water distribution chamber is formed between the bottom of the bearing plate and the tank body, a plurality of hollow pipes are vertically arranged in the water distribution chamber, the upper end of each hollow pipe penetrates through the bearing plate, an air inlet pipe and an air outlet pipe are arranged at the upper end of the outer side wall of the water distribution chamber, a water inlet pipe and a slag discharge pipe are arranged at the lower end of the outer side wall of the water distribution chamber, a coal sand filter layer is arranged at the top of the bearing plate, a clear water chamber is formed between the top of the coal sand filter layer and the tank body, and a water outlet pipe is arranged on the outer side wall of the clear water chamber.

The utility model has the advantages that: the sand filter tank with pulse back flushing has the advantages of low water consumption, good back flushing effect and no need of a back flushing pump.

Further: the bearing plate is a concrete plate.

The beneficial effects of the further scheme are as follows: the concrete slab has strong bearing capacity.

Further: the coal sand filtering layer comprises a quartz sand filtering layer and an anthracite filtering layer, the quartz sand filtering layer is arranged at the top of the bearing plate, and the anthracite filtering layer is arranged at the top of the quartz sand filtering layer.

The beneficial effects of the further scheme are as follows: the quartz sand filter layer is matched with the anthracite filter layer, so that suspended impurities and partial organic matters in the sewage can be effectively treated.

Further: the anthracite filter layer top is equipped with the apron, run through on the apron and be provided with a plurality of filter heads.

The beneficial effects of the further scheme are as follows: the cover plate can prevent the filter material on the anthracite filter layer from floating, and the filter head can enable water to pass through the cover plate to prevent the filter material on the anthracite filter layer from passing through the cover plate.

Drawings

FIG. 1 is a schematic structural view of a pulse backwashing sand filter according to an embodiment of the present invention;

in the figure: 1. a tank body; 2. a support plate; 3. a water distribution chamber; 4. a hollow tube; 5. an air inlet pipe; 6. discharging the air pipe; 7. a water inlet pipe; 8. a slag discharge pipe; 9. a coal sand filtering layer; 91. a quartz sand filter layer; 92. an anthracite bed; 10. a clear water chamber; 11. a water outlet pipe; 12. a cover plate; 13. and (4) a filter head.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example one

As shown in fig. 1, a sand filter of pulse back flush, including cell body 1, be equipped with bearing plate 2 in the cell body 1, form between bearing plate 2 bottom and the cell body 1 and join in marriage water room 3, it is provided with many hollow tubes 4 vertically in the water room 3 to join in marriage, every hollow tube 4 upper end all runs through bearing plate 2, join in marriage 3 lateral wall upper ends of water room and be equipped with intake pipe 5 and bleeder 6, join in marriage 3 lateral wall lower extreme of water room and be equipped with inlet tube 7 and scum pipe 8, the top of bearing plate 2 is equipped with coal sand filter layer 9, form clear water room 10 between 9 tops of coal sand filter layer and the cell body 1, clear water room 10 lateral wall is equipped with outlet pipe 11.

During filtering, sewage enters the water distribution chamber 3 from the water inlet pipe 7, water enters the coal sand filtering layer 9 through the hollow 4, impurities in the water can be removed through the coal sand filtering layer 9, and the treated water enters the clean water chamber 10 and is discharged through the water outlet pipe 11.

During back flushing, firstly, the water inlet pipe 7, the air discharging pipe 6 and the slag discharging pipe 8 are closed, the air inlet pipe 5 is opened to introduce air, water in the water distribution chamber 3 enters the coal sand filtering layer 9 through the hollow pipe 4 due to the pressure action of the air, the air discharging pipe 6 is opened after a certain amount of air is introduced into the water distribution chamber 3, the air in the water distribution chamber 3 is rapidly discharged under the action of water pressure, short-time and high-strength downward water washing for the coal sand filtering layer 9 is formed instantly due to the high exhaust speed, the process is repeated, the purpose of multiple pulse water back flushing can be achieved, after the pulse back flushing process is finished, the water discharging pipe 8 is opened to discharge impurities in the water distribution chamber 3 after the process is kept still for a period of time.

Example two

On the basis of the first embodiment, the bearing plate 2 is a concrete plate which has strong bearing capacity.

EXAMPLE III

On the basis of the second embodiment, the coal sand filtering layer 9 comprises a quartz sand filtering layer 91 and an anthracite filtering layer 92, the quartz sand filtering layer 91 is arranged on the top of the supporting plate 2, the anthracite filtering layer 92 is arranged on the top of the quartz sand filtering layer 91, and suspended impurities and partial organic matters in the sewage can be effectively treated through the cooperation of the quartz sand filtering layer 91 and the anthracite filtering layer 9.

Example four

On the basis of the third embodiment, the top of the anthracite filter layer 92 is provided with the cover plate 12, the cover plate 11 is provided with a plurality of filter heads 13 in a penetrating manner, the cover plate 12 can prevent the filter material on the anthracite filter layer from floating, and meanwhile, the filter heads 13 can enable water to pass through the cover plate 12 to prevent the filter material on the anthracite filter material 92 from passing through the cover plate 12.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a sand filter of pulse backwash, its characterized in that, includes cell body (1), be equipped with bearing plate (2) in cell body (1), bearing plate (2) bottom with form between cell body (1) and join in marriage hydroecium (3), it is provided with many hollow tubes (4) vertically in the hydroecium (3), every hollow tube (4) upper end all runs through bearing plate (2), it is equipped with intake pipe (5) and bleeder pipe (6) to join in marriage hydroecium (3) lateral wall upper end, it is equipped with inlet tube (7) and arranges slag pipe (8) to join in marriage hydroecium (3) lateral wall lower extreme, and bearing plate (2) top is equipped with coal sand filter layer (9), coal sand filter layer (9) top with form clear water room (10) between cell body (1), clear water room (10) lateral wall is equipped with outlet pipe (11).

2. A pulse backwash sand filter as claimed in claim 1, characterised in that said support plate (2) is of concrete slab.

3. A pulse-backwash sand filter according to claim 1, characterised in that said coal sand filter layer (9) comprises a quartz sand filter layer (91) and an anthracite filter layer (92), said quartz sand filter layer (91) being arranged on top of said support plate (2) and said anthracite filter layer (92) being arranged on top of said quartz sand filter layer (91).

4. A pulse back-flushing sand filter according to claim 3, wherein a cover plate (12) is arranged on the top of the anthracite filter layer (92), and a plurality of filter heads (13) are arranged on the cover plate (12) in a penetrating manner.