CN212700889U

CN212700889U - Quartz sand filter

Info

Publication number: CN212700889U
Application number: CN202021364497.2U
Authority: CN
Inventors: 石开于
Original assignee: Chongqing Water Doctor Environmental Protection Technology Co ltd
Current assignee: Chongqing Water Doctor Environmental Protection Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-16
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a quartz sand filter, which comprises a supporting leg, wherein a filter tank is arranged on the supporting leg, a water inlet pipe is arranged at the top of the filter tank, a water outlet pipe is arranged at the bottom of the filter tank, the water outlet end of the water inlet pipe passes through the end part of the filter tank and extends to the inside of the filter tank, and the water outlet end of the water inlet pipe is also connected with a water distributor; a filter screen is arranged at the top in the filter tank below the water distributor and used for filtering large-particle impurities, a first quartz sand layer and a second quartz sand layer are sequentially arranged in the filter tank below the filter screen from top to bottom, and the quartz sand particle size of the first quartz sand layer is larger than that of the second quartz sand layer; the filter tank is also provided with a cleaning mechanism for cleaning large-particle impurities on the filter screen. The utility model discloses the filter can improve sewage filtration efficiency.

Description

Quartz sand filter

Technical Field

The utility model relates to a sewage treatment technical field specifically is a quartz sand filter.

Background

The quartz sand filter is a high-efficiency filter device which utilizes quartz sand as a filter medium, filters water with higher turbidity through granular or non-granular quartz sand with certain thickness under certain pressure, effectively intercepts and removes suspended matters, organic matters, colloidal particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in the water, and finally achieves the effects of reducing the water turbidity and purifying the water quality.

Among the prior art, chinese patent with patent number 201220508778X discloses a quartz sand filter, quartz sand filter by gas vent, water inlet, casing, observation hole, backwash delivery port, quartz sand layer, the triangle stabilizer blade, the delivery port, the backwash water inlet is constituteed, its characterized in that casing sets up to cylindrically, the inside of casing sets up the quartz sand layer, the upper end of casing sets up the water inlet, the lower extreme of casing sets up the delivery port, one side of water inlet sets up the gas vent, one side of delivery port sets up the triangle stabilizer blade, the upside of quartz sand layer sets up the backwash delivery port, the downside of quartz sand layer sets up the backwash water inlet, one side of backwash delivery port sets up the observation hole. The filter of the technical scheme has the following defects: 1. directly be with sewage by the water inlet introduction, rivers do not have the reposition of redundant personnel, and rivers and quartz sand layer area of contact are little, lead to the filter efficiency poor. 2. Large particle impurity does not filter in the sewage, and rivers are direct and the contact of quartz sand layer, and quartz sand layer does not have the layering and causes quartz sand layer filter pressure too big, leads to the filter speed low, seriously influences filtration efficiency. To above not enough, the utility model provides a quartz sand filter is used for overcoming above-mentioned not enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the sewage filtering efficiency of the quartz sand filter is low in the prior art, the utility model provides a quartz sand filter is used for solving the above-mentioned technical problem.

In order to solve the technical problem, the utility model discloses solve and adopt following technical scheme to realize:

a quartz sand filter comprises supporting legs, wherein a filter tank is arranged on each supporting leg, a water inlet pipe is arranged at the top of the filter tank, a water outlet pipe is arranged at the bottom of the filter tank, the water outlet end of the water inlet pipe penetrates through the end part of the filter tank and extends into the filter tank, and the water outlet end of the water inlet pipe is also connected with a water distributor; a filter screen is arranged at the top in the filter tank below the water distributor and used for filtering large-particle impurities, a first quartz sand layer and a second quartz sand layer are sequentially arranged in the filter tank below the filter screen from top to bottom, and the quartz sand particle size of the first quartz sand layer is larger than that of the second quartz sand layer; the filter tank is also provided with a cleaning mechanism for cleaning large-particle impurities on the filter screen.

Preferably, the cleaning mechanism comprises a high-pressure water pipe and a sewage draining outlet which are arranged on the filtering tank, a water dividing pipe is arranged at the water outlet end of the high-pressure water pipe, a plurality of spray heads are arranged on the water dividing pipe, and the spray heads spray water to spray large-particle impurities on the filter screen to the sewage draining outlet and drain away.

Preferably, the water distributor comprises a water distribution disc and water distribution pipes arranged around the water distribution disc, and the water distribution pipes are provided with a plurality of water distribution holes.

Preferably, the water outlet pipe is provided with a reverse cleaning inlet, and the top of the filtering tank is provided with a reverse cleaning outlet.

Preferably, the filter tank is provided with an access opening.

Preferably, a gravel bearing layer is arranged below the second quartz sand layer.

Preferably, the aperture of the filter screen is 1.5 mm.

Preferably, the grain size of the quartz sand of the first quartz sand layer is 0.8-1.2mm, and the grain size of the quartz sand of the second quartz sand layer is 0.5-0.8 mm.

Through adopting foretell technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses the water-locator of filter inlet tube play water end can disperse rivers, reduces the impact of rivers, and the area of contact of increase rivers and filter screen improves filtration efficiency.

2. The utility model discloses the filter sets up the filter screen in quartzy sand bed top, tentatively blocks the large granule impurity in the sewage, reduces the filter pressure on quartzy sand bed in below, and the large granule impurity of interception is spouted by the shower nozzle water spray and is discharged to the drain, improves filtration efficiency.

3. The utility model discloses the different particle size layering of quartz sand layer of filter sets up, and multiplicable sewage filter speed further improves the filtration efficiency of sewage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the water distributor of the present invention;

FIG. 3 is a schematic structural view of the cleaning mechanism of the present invention;

in the figure: the device comprises supporting legs 1, a filter tank 2, a water inlet pipe 3, a water outlet pipe 4, a water distributor 5, a filter screen 6, a first quartz sand layer 7, a second quartz sand layer 8, a high-pressure water pipe 9, a water distribution pipe 10, a spray head 11, a water distribution disc 12, a water distribution pipe 13, a water distribution hole 14, a back-washing inlet 15, a back-washing discharge outlet 16, an access hole 17, a gravel bearing layer 18 and a sewage discharge pipe 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An embodiment, please refer to fig. 1-3, the utility model discloses a quartz sand filter, including supporting legs 1, be equipped with on the supporting legs 1 and filter jar 2, it is equipped with inlet tube 3 to filter 2 tops of jar, it is equipped with outlet pipe 4 to filter 2 bottoms of jar, the outlet end of inlet tube 3 passes filter 2 its tip of jar and extend to filter the inside of jar, be equipped with the backwashing import 15 on the outlet pipe 4, it is equipped with backwashing row mouth 16 to filter the jar top, and when needing backwashing, closes inlet tube 3 and outlet pipe 4 outlet end, opens backwashing import 15 and backwashing row mouth 16, closes it after backwashing again. The water outlet end of the water inlet pipe 3 is further connected with a water distributor 5, specifically, the water distributor 5 comprises a water distribution plate 12 and water distribution pipes 13 arranged around the water distribution plate, the water distribution pipes 13 are provided with a plurality of water distribution holes 14, water discharged from the water distribution holes can effectively disperse water flow, impact of the water flow is reduced, the contact area of the water flow and the filter screen is increased, and the filtering efficiency is improved. The top is located water-locator 5 and is equipped with filter screen 6 in filtering jar 2, filter screen 6 is used for filtering large granule impurity, specifically, the aperture of filter screen 6 can be selected to be 1.5 mm. The large granule impurity in the sewage is tentatively blocked to the filter screen, reduces the filter pressure on quartz sand layer below, improves filtration efficiency.

The filtering tank 2 is internally provided with a first quartz sand layer 7 and a second quartz sand layer 8 from top to bottom below the filter screen 6, the quartz sand particle size of the first quartz sand layer is larger than that of the second quartz sand layer, specifically, the quartz sand particle size of the first quartz sand layer can be selected to be 0.8-1.2mm, and the quartz sand particle size of the second quartz sand layer can be selected to be 0.5-0.8 mm. The different particle sizes of quartz sand layer set up by layers, multiplicable sewage filter speed further improves the filtration efficiency of sewage.

The filter tank 2 is also provided with a cleaning mechanism for cleaning large granular impurities on the filter screen 6, the cleaning mechanism comprises a high-pressure water pipe 9 and a sewage outlet 16 which are arranged on the filter tank, a water outlet end of the high-pressure water pipe 9 is provided with a water diversion pipe 10, the water diversion pipe is provided with a plurality of spray heads 11, and the spray heads 11 spray water to spray the large granular impurities on the filter screen to the sewage outlet and drain away.

In this embodiment, the filtering tank 2 is provided with an access hole 17, which is convenient for material changing and maintenance.

In this embodiment, a gravel bearing layer 18 is arranged below the second quartz sand layer 8, and is used for bearing the two quartz sand layers.

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.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A quartz sand filter is characterized in that: the water distributor comprises supporting legs, wherein a filter tank is arranged on the supporting legs, a water inlet pipe is arranged at the top of the filter tank, a water outlet pipe is arranged at the bottom of the filter tank, the water outlet end of the water inlet pipe penetrates through the end part of the filter tank and extends into the filter tank, and the water outlet end of the water inlet pipe is also connected with a water distributor; a filter screen is arranged at the top in the filter tank below the water distributor and used for filtering large-particle impurities, a first quartz sand layer and a second quartz sand layer are sequentially arranged in the filter tank below the filter screen from top to bottom, and the quartz sand particle size of the first quartz sand layer is larger than that of the second quartz sand layer; the filter tank is also provided with a cleaning mechanism for cleaning large-particle impurities on the filter screen.

2. A silica sand filter as defined in claim 1, wherein: the cleaning mechanism comprises a high-pressure water pipe and a sewage draining outlet which are arranged on the filtering tank, a water dividing pipe is arranged at the water outlet end of the high-pressure water pipe, a plurality of spray heads are arranged on the water dividing pipe, and the spray heads spray water to spray large-particle impurities on the filter screen to the sewage draining outlet and drain away.

3. A silica sand filter as defined in claim 1, wherein: the water distributor comprises a water distribution disc and water distribution pipes arranged on the periphery of the water distribution disc, and the water distribution pipes are provided with a plurality of water distribution holes.

4. A silica sand filter as defined in claim 1, wherein: the water outlet pipe is provided with a reverse cleaning inlet, and the top of the filtering tank is provided with a reverse cleaning outlet.

5. A silica sand filter as defined in claim 1, wherein: the filtering tank is provided with an access hole.

6. A silica sand filter as defined in claim 1, wherein: and a gravel bearing layer is arranged below the second quartz sand layer.

7. A silica sand filter as defined in claim 1, wherein: the aperture of the filter screen is 1.5 mm.

8. A silica sand filter as defined in claim 1, wherein: the grain size of the quartz sand of the first quartz sand layer is 0.8-1.2mm, and the grain size of the quartz sand of the second quartz sand layer is 0.5-0.8 mm.