CN218458739U

CN218458739U - Filtering storage tank system

Info

Publication number: CN218458739U
Application number: CN202222622970.8U
Authority: CN
Inventors: 林翔; 曾建英; 刘平; 钱磊; 吴向东; 杨志勇
Original assignee: Chongqing Jianfeng Industrial Technical Service Co Ltd
Current assignee: Chongqing Jianfeng Industrial Technical Service Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-10
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a filter storage tank system, includes a jar body to and set up the quartz sand filter layer at jar body middle part, separate the jar body for upper portion space, lower part space, the upper portion space of jar body is provided with the inlet tube, and through first valve control switching, the lower part space bottom of jar body is provided with drain pipe and back flush inlet tube, respectively through second valve, third valve control switching, the upper portion space of jar body still is provided with the water catch bowl, the notch of water catch bowl is up, spanes in the top of quartz sand filter layer, and misplaces with the inlet tube, the one end of water catch bowl is sealed, and the other end stretches out jar body outward, forms the back flush export. The utility model discloses simple structure, transformation are with low costs, can effectively improve the cleaning performance who filters storage tank system, reduce the cleaning cost.

Description

Filtering storage tank system

Technical Field

The utility model relates to a water treatment field, in particular to filter storage tank system.

Background

The water company uses the filtering storage tank as the filtering equipment of the domestic water supply system. Referring to fig. 1, the filtering storage tank currently in use comprises a tank body 101, and a quartz sand filtering layer 102 disposed in the tank body 101, dividing the tank body 101 into an upper space 103 and a lower space 104, the upper space 103 of the tank body being provided with a water inlet pipe 105, and a backwash water outlet pipe 106 in an inverted U-shaped structure, an upstream end of the backwash water outlet pipe 106 being disposed above a middle portion of the quartz sand filtering layer 102, a downstream end of the backwash water outlet pipe 106 extending out of the tank body 101 and being lower than the upstream end thereof, the lower space 104 of the tank body being provided with a water outlet pipe 107, and a backwash water inlet pipe 108.

After the filtering storage tank operates for a period of time, more impurities are deposited on the top surface of the quartz sand filtering layer and need to be cleaned. The cleaning method comprises the following steps: the quartz sand filter layer is backwashed by water entering through the backwashing water inlet pipe and is discharged through the backwashing water discharge pipe. However, due to the structural limitation of the back flushing drain pipe, only part of impurities can be discharged with water, and the cleaning effect cannot be achieved even through multiple times of flushing or long-time flushing.

Therefore, how to design a filtering storage tank system with efficient cleaning function is an urgent problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims at prior art not enough, provide a filter storage tank system, its simple structure, transformation are with low costs, can effectively improve the cleaning performance who filters storage tank system, reduce the cleaning cost.

The technical scheme of the utility model is that: the utility model provides a filter storage tank system, includes a jar body to and set up the quartz sand filter layer at jar body middle part, separate the jar body for upper portion space, lower part space, the upper portion space of jar body is provided with the inlet tube, and through first valve control switching, the lower part space bottom of jar body is provided with drain pipe and back flush inlet tube, respectively through second valve, third valve control switching, the upper portion space of jar body still is provided with the water catch bowl, the notch of water catch bowl is up, spanes in the top of quartz sand filter layer, and misplaces with the inlet tube, the one end of water catch bowl is sealed, and the other end stretches out jar body outward, forms the back flush export.

Further, be provided with the support frame on the tank wall medial surface, be located the top of quartz sand filter layer, be provided with the via hole on the tank wall, be located the top of quartz sand filter layer, the one end of water catch bowl is fixed on the support frame, and the other end passes the via hole, forms detachable connection.

Preferably, the bottom of the water collecting tank is a downward-concave arc surface.

Preferably, the support frame and the via hole are respectively located at two ends of the circle where the tank body is located, wherein the circle has the same diameter.

Furthermore, a back washing outlet of the water collecting tank is connected with a connecting pipeline extending downwards.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the filtering storage tank system comprises a tank body and a quartz sand filtering layer arranged in the middle of the tank body, the tank body is divided into an upper space and a lower space, the upper space of the tank body is provided with a water inlet pipe, the opening and closing of the water inlet pipe are controlled by a first valve, the bottom of the lower space of the tank body is provided with a water discharging pipe and a back washing inlet, the opening and closing of the water inlet pipe and the back washing inlet are controlled by a second valve and a third valve respectively, water to be filtered enters the upper space of the tank body through the water inlet pipe, and is filtered by the quartz sand filtering layer through dead weight, permeates into the lower space and is discharged outside through the water discharging pipe, and filtered water is obtained. The water collecting tank is arranged in the upper space of the tank body, a notch of the water collecting tank faces upwards, stretches over the quartz sand filter layer and is staggered with the water inlet pipe, one end of the water collecting tank is sealed, the other end of the water collecting tank extends out of the tank body to form a backwashing outlet, when the quartz sand filter layer in the tank body needs to be cleaned, the first valve and the second valve are closed, the third valve is opened, backwashing water enters the lower space of the tank body through the backwashing water inlet pipe and flows upwards through the quartz sand filter layer to the upper space, impurities trapped on the surface of the quartz sand float on the surface of the liquid level, when the liquid level continues to rise over the notch of the water collecting tank, the backwashing water with the impurities enters the water collecting tank along the notch of the water collecting tank and is discharged out of the tank body through the backwashing outlet of the water collecting tank, and the cleaning purpose is achieved.

2. Be provided with the support frame on the jar wall medial surface, be located the top of quartz sand filter layer, be provided with the via hole on the jar wall, be located the top of quartz sand filter layer, the one end of water catch bowl is fixed on the support frame, and the other end passes the via hole, forms detachable connection for it is all very convenient to install and dismantle the water catch bowl.

3. The bottom of the water collecting tank is a cambered surface which is sunken downwards, so that the residual quantity of impurities in the water collecting tank is reduced.

4. Strut and via hole are located the both ends of jar body place circle with the same diameter respectively for the length maximize of water catch bowl, and then effectively improve the cleaning efficiency of quartz sand filter layer.

The following description is further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a schematic diagram of a filtration tank of the prior art;

fig. 2 is a schematic structural diagram of the present invention.

In the drawing, 1 is a water collecting tank, 2 is a backwashing outlet, 3 is a support frame, 4 is a via hole, 5 is a connecting pipeline, a is a first valve, b is a second valve, c is a third valve, 101 is a tank body, 102 is a quartz sand filter layer, 103 is an upper space, 104 is a lower space, 105 is a water inlet pipe, 106 is a backwashing water outlet pipe, 107 is a water outlet pipe, and 108 is a backwashing water inlet pipe.

Detailed Description

Referring to FIG. 2, a particular embodiment of a filtration tank system is shown. The filtering storage tank system comprises a tank body 101 and a quartz sand filtering layer 102 arranged in the middle of the tank body 101, and the tank body is divided into an upper space 103 and a lower space 104, specifically, a filter screen is arranged in the middle of the tank body, and the quartz sand filtering layer is supported on the filter screen. The upper space 103 of the tank body is provided with a water inlet pipe 105, and the opening and closing of the upper space is controlled by a first valve a, and the bottom of the lower space 104 of the tank body is provided with a water outlet pipe 107 and a back washing water inlet pipe 108, and the opening and closing of the back washing water inlet pipe are controlled by a second valve b and a third valve c respectively. The upper portion space of jar body 101 still is provided with water catch bowl 1, water catch bowl 1's notch up, spanes in quartz sand filter layer 102's top, and misplaces with inlet tube 105, in this embodiment, be provided with support frame 3 on the jar body wall medial surface, be located quartz sand filter layer 102's top, be provided with via hole 4 on the jar body wall, be located quartz sand filter layer 102's top, and support frame 3 and via hole 4 are located the both ends of jar body 101 place circle's same diameter respectively, the tank bottom of water catch bowl 1 is undercut cambered surface, and the one end of water catch bowl is sealed, fixes on support frame 3, and the other end passes via hole 4, and outer jar body 101 that stretches out forms back flush export 2, and back flush export 2 is connected with connecting tube 5 that extends down.

The utility model discloses a theory of operation does: when water needs to be purified, the first valve and the second valve are opened, the third valve is closed, water to be filtered enters the upper space of the tank body through the water inlet pipe, permeates the quartz sand filter layer under the action of gravity, enters the lower space of the tank body, and is discharged through the water discharge pipe, and purified water is obtained. When the tank body is operated for a period of time and the surface of the quartz sand filter layer is rich in impurities and needs to be cleaned, the second valve and the second valve are closed, the third valve is opened, the backwash water enters the lower space of the tank body through the backwash water inlet pipe and flows upwards through the quartz sand filter layer to the upper space, so that the impurities trapped on the surface of the quartz sand float on the surface of the liquid level, when the liquid level continues to rise to exceed the notch of the water collection tank, the backwash water with the impurities enters the water collection tank along the notch of the water collection tank and is discharged out of the tank body through the backwash outlet of the water collection tank, and the cleaning purpose is achieved.

Claims

1. The utility model provides a filter storage tank system, includes jar body (101) to and set up quartz sand filter layer (102) in jar body (101) middle part, separate the jar body for upper space (103), lower part space (104), upper space (103) of the jar body are provided with inlet tube (105), and through first valve (a) control switching, lower part space (104) bottom of the jar body is provided with drain pipe (107) and back flush inlet tube (108), through second valve (b), third valve (c) control switching, its characterized in that respectively: the upper portion space of the jar body (101) still is provided with water catch bowl (1), the notch of water catch bowl (1) up, span in the top of quartz sand filter layer (102), and misplace with inlet tube (105), the one end of water catch bowl (1) is sealed, and the other end stretches out jar body (101) outward, forms back flush export (2).

2. The filtration tank system of claim 1, wherein: be provided with support frame (3) on the tank wall medial surface, be located the top of quartz sand filter layer (102), be provided with via hole (4) on the tank wall, be located the top of quartz sand filter layer (102), the one end of water catch bowl (1) is fixed on support frame (3), and via hole (4) are passed to the other end, form detachable connection.

3. The filtration tank system of claim 1 or 2, wherein: the bottom of the water collecting tank (1) is a cambered surface which is sunken downwards.

4. The filtration tank system of claim 2, wherein: the supporting frame (3) and the through hole (4) are respectively located at two ends of the circle, where the tank body (101) is located, with the same diameter.

5. The filtration tank system of claim 1, wherein: the backwashing outlet (2) of the water collecting tank (1) is connected with a connecting pipeline (5) extending downwards.