CN214075280U - Automatic back-flushing sewage filtering device - Google Patents

Abstract

The utility model discloses an automatic sewage filter equipment of back flush, including the filter chamber, filter chamber inside detachable fixed mounting has the filter screen, it is provided with the pressure gauge to lie in the filter screen bottom on the filter chamber, filter chamber top fixedly connected with water sample extraction pipe, fixed mounting has electronic through valve on the water sample extraction pipe, at filter chamber bottom fixedly connected with blow off pipe, lie in filter screen bottom fixedly connected with inlet tube on the filter chamber outer wall, lie in electronic through valve bottom fixedly connected with flushing pipe on the water sample extraction pipe, flushing pipe and inlet tube difference fixed connection are on a set of valve port of electric three-way valve, the remaining a set of valve port fixedly connected with drinking-water pipe of electric three-way valve, the pressure gauge, electric three-way valve and electronic through valve all with controller signal connection. The utility model has the advantages of remove the manual work from and maintain frequently, reduce the human cost, its mainly used quality of water sample.

Description

Automatic back-flushing sewage filtering device

Technical Field

The utility model relates to a water quality inspection technical field, specific automatic back flush sewage filter equipment that says so.

Background

In water quality testing, water of various qualities is sampled, such as from a river or from a sewage treatment plant. And (4) after sampling, enabling the water sample to enter the water tank, and detecting the components in the water through the sensor. The sampling pump is generally used for sampling, and in the process of extracting a water sample, silt, branches, catkin and various stains and floating objects in the river cannot enter the water sample water tank, and the impurities are removed out of the water tank by filtering through a layer of filter screen. The impurities in the water are various, the quantity is large, the adhesion is strong, and the filter screen needs to be cleaned frequently; the filter screen is arranged in the waterway system, and needs to be disassembled for inspection and replacement; the equipment location is relatively fixed and maintenance personnel need to travel far to maintain on the spot. This results in high frequency of manual maintenance and high maintenance difficulty.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a remove artifical maintenance frequently from, reduce human cost's sewage filter equipment.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: an automatic back-flushing sewage filtering device comprises a filtering chamber, wherein a filtering net is detachably and fixedly arranged in the filtering chamber, a pressure gauge is arranged on the filtering chamber and at the bottom of the filtering screen, a water sample extraction pipe is fixedly connected with the top of the filtering chamber, an electric straight-through valve is fixedly arranged on the water sample extraction pipe, a drain pipe is fixedly connected at the bottom of the filtering chamber, a water inlet pipe is fixedly connected to the outer wall of the filtering chamber at the bottom of the filter screen, a flushing pipe is fixedly connected to the water sample extraction pipe at the bottom of the electric straight-through valve, the flushing pipe and the water inlet pipe are respectively and fixedly connected with a group of valve ports of the electric three-way valve, the rest group of valve ports of the electric three-way valve are fixedly connected with a water pumping pipe, and the device also comprises a controller which takes a single chip microcomputer as a core, the pressure gauge, the electric three-way valve and the electric straight-through valve are in signal connection with the controller.

The filter chamber is including room shell and end cover, the filter screen sets up inside the room shell, and is provided with the filter screen preforming and pushes down the filter screen, the filter screen preforming with through a multiunit bolt fixed connection between the room shell, the room shell with through No. two bolt fixed connection of multiunit between the end cover, just the room shell with be provided with sealed the pad between the end cover.

The bottom of the chamber shell adopts a conical structure.

A water inlet and a mounting opening are formed in the outer wall of the chamber shell and positioned at the bottom of the filter screen, the pressure gauge is fixedly mounted in the mounting opening, and the water inlet pipe is fixedly connected into the water inlet;

a sewage draining outlet is formed in the bottom end of the chamber shell, and the sewage draining pipe is fixedly connected to the sewage draining outlet;

the end cover center is provided with the mouth that draws water, water sample extraction pipe fixed connection be in draw water on the mouth.

The electric straight-through valve adopts an electric straight-through ball valve, and the electric three-way valve adopts an electric three-way ball valve.

The utility model has the advantages that: this device washes the function through the filter screen that has added closed-loop control in the water route, can need not most debris and spot on the filter screen of washing of artificial control, has removed the human cost of frequently wasing the filter screen from, removes the frequent problem of manual maintenance from.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the filter chamber of the present invention;

fig. 3 is a schematic view of the connection structure of the controller of the present invention.

In the figure: 1 filter chamber, 2 filter screens, 3 pressure gauges, 4 water sample extraction pipes, 5 electric straight-through valves, 6 sewage discharge pipes, 7 water inlet pipes, 8 flushing pipes, 9 electric three-way valves, 10 water pumping pipes, 11 controllers, 12 chamber shells, 13 end covers, 14 filter screen pressing sheets, 15 first bolts, 16 second bolts, 17 sealing gaskets, 18 water inlets, 19 mounting ports and 20 water pumping ports.

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.

Referring to fig. 1-3, an automatic back-flushing sewage filtering device comprises a filtering chamber 1, a filtering screen 2 is detachably and fixedly installed in the filtering chamber 1, a pressure gauge 3 is arranged at the bottom of the filtering screen 2 on the filtering chamber 1, a water sample pumping pipe 4 is fixedly connected at the top of the filtering chamber 1, an electric straight-through valve 5 is fixedly installed on the water sample pumping pipe 4, the water sample pumping pipe 4 is used for being connected with a detection water tank, a sewage discharge pipe 6 is fixedly connected at the bottom of the filtering chamber 1, a water inlet pipe 7 is fixedly connected at the bottom of the filtering screen 2 on the outer wall of the filtering chamber 1, a flushing pipe 8 is fixedly connected at the bottom of the electric straight-through valve 5 on the water sample pumping pipe 4, the flushing pipe 8 and the water inlet pipe 7 are respectively and fixedly connected with a group of valve ports of an electric three-way valve 9, a water pumping pipe 10 is fixedly connected with the remaining group of valve ports of the electric three-way valve 9, and the water pumping pipe 10 is used for being connected with a water pump, the pressure meter 3, the electric three-way valve 9 and the electric straight-through valve 5 are in signal connection with the controller 11.

The electric straight-through valve 5 adopts an electric straight-through ball valve, the electric three-way valve 9 adopts an electric three-way ball valve, and the electric straight-through ball valve and the electric three-way ball valve are adopted, so that the valve has the advantages of wear resistance, good sealing property and long service life.

This device says more specifically, filter chamber 1 is including room shell 12 and end cover 13, room shell 12 bottom adopts the toper structure so that impurity discharge, filter screen 2 sets up inside room shell 12, and be provided with filter screen preforming 14 and push down filter screen 2, through No. 15 fixed connection of multiunit bolt between filter screen preforming 14 and the room shell 12, when making to fix filter screen 2 with this, can make filter screen 2 dismantle from room shell 12 is inside, and through No. 16 fixed connection of No. two bolts of multiunit between room shell 12 and the end cover 13, so as to dismantle filter screen 2, and be provided with sealed the pad 17 between room shell 12 and the end cover 13, come to seal between room shell 12 and the end cover 13 through sealed the pad 17, avoid rivers to go out.

In the utility model, a water inlet 18 and a mounting port 19 are arranged on the outer wall of the chamber shell 12 and positioned at the bottom of the filter screen 2, the pressure gauge 3 is fixedly mounted in the mounting port 19, and the water inlet pipe 7 is fixedly connected in the water inlet 18; the 12 bottoms of room shell are provided with the drain, and blow off pipe 6 fixed connection is on the drain: the center of the end cover 13 is provided with a water pumping port 20, the water sample extraction pipe 4 is fixedly connected to the water pumping port 20, and the water inlet pipe 7, the pressure gauge 3, the sewage discharge pipe 6, the water sample extraction pipe 4 and the filter chamber 1 are connected and installed through the structure.

The utility model discloses a theory of operation is: electric three-way valve 9 opens the pipeline that leads to filter chamber 1, make the suction pump pass through drinking-water pipe 10 with water, inlet tube 7 suction filter chamber 1 is interior, electronic straight ball valve is opened, because pump flow is big, the blow off pipe 6 flow of filter chamber 1 below is little, the water level can rise gradually, thereby make the water level rise gradually until getting into the water sample case, debris slowly increase on filter screen 2, filter screen 2 hole is stopped up, rivers are not smooth, the pressure that pressure sensor sensed increases gradually, when pressure surpasses certain limit value, electronic three-way ball valve switching-over can be controlled to controller 11, electronic straight valve 5 is closed, make pressure rivers lead to flushing pipe 8, filter screen 2 sanitization through the pressure of liquid, need not to dismantle like this and wash filter screen 2, the dismantlement cycle has been prolonged greatly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides an automatic sewage filter equipment of back flush which characterized in that: comprises a filtering chamber (1), a filtering chamber (1) is internally and detachably fixedly provided with a filtering net (2), the filtering chamber (1) is provided with a pressure gauge (3) at the bottom of the filtering net (2), the top of the filtering chamber (1) is fixedly connected with a water sample extraction pipe (4), the water sample extraction pipe (4) is fixedly provided with an electric through valve (5), the bottom of the filtering chamber (1) is fixedly connected with a blow-off pipe (6), the outer wall of the filtering chamber (1) is fixedly connected with a water inlet pipe (7) at the bottom of the filtering net (2), the water sample extraction pipe (4) is fixedly connected with a flushing pipe (8) at the bottom of the electric through valve (5), the flushing pipe (8) and the water inlet pipe (7) are respectively and fixedly connected with a group of valve ports of an electric three-way valve (9), and the electric three-way valve (9) is fixedly connected with a group of water pumping pipes (10), the pressure gauge is characterized by further comprising a controller (11) with a single chip microcomputer as a core, and the pressure gauge (3), the electric three-way valve (9) and the electric straight-through valve (5) are in signal connection with the controller (11).

2. The sewage filtering apparatus with automatic back flushing according to claim 1, wherein: the filtering chamber (1) comprises a chamber shell (12) and end covers (13), the filtering screen (2) is arranged inside the chamber shell (12) and is provided with a filtering screen pressing sheet (14) to press down the filtering screen (2), the filtering screen pressing sheet (14) is fixedly connected with the chamber shell (12) through a plurality of groups of bolts (15), the chamber shell (12) is fixedly connected with the end covers (13) through a plurality of groups of bolts (16), and sealing gaskets (17) are arranged between the chamber shell (12) and the end covers (13).

3. The sewage filtering apparatus with automatic back flushing according to claim 2, wherein: the bottom of the chamber shell (12) adopts a conical structure.

4. The sewage filtering apparatus with automatic back flushing according to claim 3, wherein: a water inlet (18) and a mounting opening (19) are formed in the outer wall of the chamber shell (12) and positioned at the bottom of the filter screen (2), the pressure gauge (3) is fixedly mounted in the mounting opening (19), and the water inlet pipe (7) is fixedly connected in the water inlet (18);

a sewage draining outlet is formed in the bottom end of the chamber shell (12), and the sewage draining pipe (6) is fixedly connected to the sewage draining outlet;

end cover (13) center is provided with draws water mouth (20), water sample extraction pipe (4) fixed connection be in draw water on the mouth (20).

5. The sewage filtering apparatus with automatic back flushing according to claim 1, wherein: the electric straight-through valve (5) adopts an electric straight-through ball valve, and the electric three-way valve (9) adopts an electric three-way ball valve.

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