Differential pressure type wastewater self-cleaning filtering device

Abstract

The utility model discloses a differential pressure type waste water self-cleaning filtering device which comprises a closed filtering tank and a lifting cylinder set, a cylinder hole is formed in the tank bottom of the closed filtering tank, an outer one-way inlet cylinder is installed at the bottom of the cylinder hole, an inner filtering cylinder is installed at the top of the cylinder hole, and an outer one-way inlet cylinder is installed at the bottom of the inner filtering cylinder. An annular pressing plug is plugged in a water purification annular cavity between the inner filter cylinder and the tank wall of the closed filter tank, a cylinder plug is plugged in the inner filter cylinder, the lifting cylinder set is connected with a pressing and lifting frame arranged at the top of the closed filter tank, the cylinder plug is connected to the pressing and lifting frame through a middle column, and the lifting cylinder set is connected with the closed filter tank through the middle column. The annular pressing plug is connected to the pressing lifting frame through a side column, and a sweeping mechanism is installed at the bottom of the barrel plug. The self-cleaning filter has the beneficial effects that pressure difference, rapid water absorption and filtering drainage are realized through piston movement, filtered substances are prevented from being adhered to the inner wall of the cylinder through the cleaning structure and the plug body of each piston movement inside, self-cleaning is realized, the filtering efficiency is improved, and frequent cleaning is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater device field, especially a kind of differential pressure type wastewater self-cleaning filter device. BACKGROUND

[0002] Water resource recycling is one of the main research directions of current environmental protection, wastewater can be applied to various aspects of life after treatment, filtration is an important link in wastewater treatment, the existing filter device is filtered by the way of pumping into filter screen, continuous one-way delivery, filter screen layer is easy to accumulate filter material, and frequent cleaning is needed, also reduce the use and filtration efficiency. UTILITY MODEL CONTENT

[0003] The utility model discloses a differential pressure type wastewater self-cleaning filter device to solve the above problems.

[0004] The utility model discloses the following technical scheme to realize the above-mentioned purpose:

[0005] A differential pressure type wastewater self-cleaning filter device, including closed filter tank and lift cylinder group, the bottom of the closed filter tank is provided with barrel hole, the bottom of the barrel hole is installed with outer one-way inlet barrel, the top of the barrel hole is installed with inner filter barrel, the ring pressure plug is arranged in the clean water ring cavity between the inner filter barrel and the closed filter tank wall, the barrel plug is arranged in the inner filter barrel, the lift cylinder group is connected together with the pressure lift frame arranged at the top of the closed filter tank, the barrel plug is connected to the pressure lift frame through the intermediate column, the ring pressure plug is connected to the pressure lift frame through the side column, the bottom of the barrel plug is installed with cleaning mechanism, the side barrel wall of the outer one-way inlet barrel is installed with one-way inlet pipe, the bottom of the side tank wall of the closed filter tank is installed with one-way drainage pipe.

[0006] Further, the bottom of the outer one-way inlet barrel is installed with barrel end valve.

[0007] Further, the one-way drainage pipe is installed with one-way discharge valve, and the one-way inlet pipe is installed with one-way inlet valve.

[0008] Further, the barrel wall of the inner filter barrel is provided with a plurality of filter holes.

[0009] Further, the cleaning mechanism is composed of ring frame and ring brush installed on the side of the ring edge of the ring frame, and the ring frame is connected to the barrel plug through the connecting frame.

[0010] Further, the closed filter tank is composed of tank main body and tank cover, and the tank cover is installed with balance valve.

[0011] Further, the lift cylinder group is composed of cylinder body and cylinder frame, and the cylinder body is fixed to the closed filter tank through the cylinder frame.

[0012] Further, the tank body of the closed filter tank is provided with a support leg frame.

[0013] Beneficial effects are that the differential pressure type wastewater self-cleaning filter device realizes pressure difference through piston movement, quickly absorbs water and filters and drains water, avoids adhesion of filtering materials to the inner wall of the cylinder through the cleaning structure and the plug body of each piston movement, realizes self-cleaning, improves filtering efficiency, and avoids frequent cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is an external structure diagram of the differential pressure type wastewater self-cleaning filter device;

[0015] Fig. 2 is a schematic view in the closed filter tank of the differential pressure type wastewater self-cleaning filter device;

[0016] Fig. 3 is an enlarged schematic view of the cleaning mechanism of the differential pressure type wastewater self-cleaning filter device.

[0017] The reference signs are explained as follows:

[0018] 1, closed filter tank, 101, tank main body, 102, tank cover; 2, lifting cylinder group, 201, cylinder body, 202, cylinder frame; 3, pressure lifting frame; 4, inner filter cylinder; 5, outer one-way inlet cylinder; 6, ring pressure plug; 7, cylinder plug; 8, one-way drainage pipe; 9, one-way liquid inlet pipe; 10, one-way discharge valve; 11, one-way inlet valve; 12, support leg frame; 13, cylinder end valve; 14, intermediate column; 15, side column; 16, clean water ring cavity; 17, filter hole; 18, cleaning mechanism; 19, ring frame; 20, ring brush; 21, connecting frame; 22, balance valve. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings:

[0020] As Figs. 1-3 shown, a differential pressure type wastewater self-cleaning filter device is composed of a closed filter tank 1 and a lifting cylinder group 2;

[0021] A cylinder hole is formed in the bottom of the closed filter tank 1, an outer one-way inlet cylinder 5 is installed at the bottom of the cylinder hole, an inner filter cylinder 4 is installed at the top of the cylinder hole, a ring pressure plug 6 is plugged into the clean water ring cavity 16 between the inner filter cylinder 4 and the tank wall of the closed filter tank 1, and a cylinder plug 7 is plugged into the cylinder of the inner filter cylinder 4, which are used to suck wastewater and then discharge clean water;

[0022] Lifting cylinder group 2 is connected with pressure lifting frame 3 arranged at the top of closed filter tank 1, cylinder plug 7 is connected to pressure lifting frame 3 through intermediate column 14, ring pressure plug 6 is connected to pressure lifting frame 3 through side column 15, wherein side column 15 is provided with at least two;

[0023] The bottom of cylinder plug 7 is provided with cleaning mechanism 18 for cleaning the inner wall of inner filter cylinder 4 to avoid adhesion of filter materials, the side cylinder wall of outer one-way inlet cylinder 5 is provided with one-way liquid inlet pipe 9, and the bottom of the side tank wall of closed filter tank 1 is provided with one-way drainage pipe 8.

[0024] As shown in Figs. 1-3 The utility model discloses the following more optimized specific structure:

[0025] The bottom of outer one-way inlet cylinder 5 is provided with cylinder end valve 13, and the filtered sundries are accumulated in outer one-way inlet cylinder 5, which is cleaned regularly by opening cylinder end valve 13.

[0026] One-way drainage valve 10 is arranged on one-way drainage pipe 8, and one-way inlet valve 11 is arranged on one-way liquid inlet pipe 9, and one-way inlet valve 11 and one-way drainage valve 10 control the one-way flow of liquid.

[0027] A plurality of filter holes 17 are arranged on the cylinder wall of inner filter cylinder 4, and the size of filter hole 17 is set according to requirements.

[0028] Cleaning mechanism 18 is composed of ring frame 19 and ring brush 20 arranged on the side of the ring edge of ring frame 19, and ring frame 19 is connected to cylinder plug 7 through connecting frame 21.

[0029] Closed filter tank 1 is composed of tank body 101 and tank cover 102, balance valve 22 is arranged on tank cover 102 for adjusting the internal and external air pressure, and ring pressure plug 6 and cylinder plug 7 are in flush position.

[0030] Lifting cylinder group 2 is composed of cylinder body 201 and cylinder frame 202, and cylinder body 201 is fixed to closed filter tank 1 through cylinder frame 202.

[0031] Support leg frame 12 is arranged on the tank body of closed filter tank 1.

[0032] As shown in Figs. 1-3 The differential pressure type wastewater self-cleaning filter device does not need external pump power, and the lifting of ring pressure plug 6 and cylinder plug 7 is realized through the piston movement of lifting cylinder group 2, when ring pressure plug 6 and cylinder plug 7 are lifted, wastewater is sucked into closed filter tank 1 through one-way liquid inlet pipe 9, when ring pressure plug 6 and cylinder plug 7 are pressed, filtered clean water can be quickly discharged, realizing differential pressure type rapid filtration, and in the pressing process, the filter materials adhered to the inner wall of inner filter cylinder 4 can be quickly pressed into the bottom of outer one-way inlet cylinder 5 through cleaning mechanism 18 and cylinder plug 7, which is convenient for discharging;

[0033] The one-way liquid inlet pipe 9 in the embodiment is arranged at the top of the side of the outer one-way gold child 5, avoiding the influence of the filter screen.

[0034] Those skilled in the art should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A differential pressure wastewater self-cleaning filter apparatus, characterized by: The utility model provides a closed filter jar and lifting cylinder group, the jar bottom of the closed filter jar is provided with a cylinder hole, the bottom of the cylinder hole is provided with an outer one-way inlet cylinder, the top of the cylinder hole is provided with an inner filter cylinder, the net water ring cavity between the inner filter cylinder and the jar wall of the closed filter jar is provided with a ring pressure plug, the inner of the inner filter cylinder is provided with a cylinder plug, the lifting cylinder group is connected with the pressure lifting frame arranged on the top of the closed filter jar, the cylinder plug is connected to the pressure lifting frame through an intermediate column, the ring pressure plug is connected to the pressure lifting frame through a side column, the bottom of the cylinder plug is provided with a cleaning mechanism, the side cylinder wall of the outer one-way inlet cylinder is provided with a one-way liquid inlet pipe, the bottom of the side jar wall of the closed filter jar is provided with a one-way drainage pipe.

2. The differential pressure wastewater self-cleaning filter device according to claim 1, characterized in that: The bottom of the outer one-way inlet cylinder is provided with a cylinder end valve.

3. The differential pressure wastewater self-cleaning filter device according to claim 1, characterized in that: The one-way drainage pipe is provided with a one-way discharge valve, and the one-way liquid inlet pipe is provided with a one-way inlet valve.

4. The differential pressure wastewater self-cleaning filter device according to claim 1, characterized in that: The cylinder wall of the inner filter cylinder is provided with a plurality of filter holes.

5. The differential pressure wastewater self-cleaning filter device according to claim 1, characterized in that: The cleaning mechanism is composed of a ring frame and a ring brush installed on the side of the ring edge of the ring frame, and the ring frame is connected to the cylinder plug through a connecting frame.

6. The differential pressure wastewater self-cleaning filter device according to claim 1, characterized in that: The closed filter jar is composed of a jar main body and a jar cover, and the jar cover is provided with a balance valve.

7. The differential pressure wastewater self-cleaning filter device according to claim 1, characterized in that: The lifting cylinder group is composed of a cylinder body and a cylinder frame, and the cylinder body is fixed to the closed filter jar through the cylinder frame.

8. The differential pressure wastewater self-cleaning filter device according to claim 1, characterized in that: The jar body of the closed filter jar is provided with a support leg frame.

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