CN107226561A - A kind of small-sized rapid precipitation environment protection sewage processing unit - Google Patents

Abstract

The invention discloses a kind of small-sized rapid precipitation environment protection sewage processing unit, including settling tank, motor and Rose Box；Filter is provided with the top of the settling tank below connection water inlet pipe, water inlet pipe；The filter, which is abutted, brush plate；Drive shaft is provided with below the filter, drive shaft arranged on left and right sides is provided with helical blade in opposite direction.The present invention is by provided with reverse helical blade and trapezoidal stock guide, horizontal stirring mixing is carried out to sewage and flocculant so that flocculant quickly spreads mixing, improves the efficiency of flocculation sediment, reduce the efficiency that precipitation is improved to the agitation of the sludge precipitated simultaneously；The present invention is provided with reciprocating hairbrush, it is to avoid filter opening is blocked, it is ensured that filtering is normally carried out；The present invention is provided with easy-to-dismount filter, sandstone filler plate and active carbon filler plate, with preferable clean-up effect, cleaning easy to disassemble.

Description

A small rapid sedimentation environmental protection sewage treatment device

technical field

The invention relates to the field of environmental protection sewage, in particular to a small-scale rapid precipitation environmental protection sewage treatment device.

Background technique

Sewage treatment (wastewater treatment): The process of purifying sewage to meet the water quality requirements of a certain water body for drainage or reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc., and it is also increasingly entering the daily life of ordinary people.

Traditional sewage treatment facilities use grids to intercept and filter floating solid waste in sewage. More garbage is easy to block the grids, requiring manual cleaning, which is time-consuming and labor-intensive, and affects the efficiency of sewage treatment; in addition, sedimentation tanks Generally, the natural sedimentation method is adopted in the process, and the flocculant diffuses slowly, resulting in long flocculation standing time and low sedimentation efficiency. The flow of sewage causes agitation and floating of the sludge that has settled at the bottom, which reduces the efficiency of sewage flocculation and sedimentation, and sludge cleaning is very difficult. trouble.

Contents of the invention

The purpose of the present invention is to provide a small-scale rapid sedimentation environmental protection sewage treatment device to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A small rapid sedimentation environmental protection sewage treatment device, including a sedimentation tank, a drive motor and a filter tank; the top of the sedimentation tank is connected to a water inlet pipe, and a filter plate is arranged under the water inlet pipe; There are bristles on the bottom of the brush plate; the brush plate is threadedly connected with a screw rod, which is rotatably connected to the side wall of the sedimentation tank through bearings; a drive shaft is set under the filter plate, and the left and right sides of the drive shaft are set with directions Opposite spiral blades; the side wall of the settling tank is provided with a flocculant filling pipe; the drive shaft extends to the outside of the settling tank and is connected with a drive motor, the drive motor is a forward and reverse motor; the drive shaft passes through a belt transmission mechanism It is connected with the screw rod; a trapezoidal material guide plate is provided under the spiral blade, and the slope of the trapezoidal material guide plate faces upward; a sludge tank is provided under the trapezoidal material guide plate; the settling tank is connected with a pumping pump through a pipeline , The suction pump is connected to a filter box through a pipeline, and a sandstone packing plate and an activated carbon packing plate are arranged in the filter box.

As a further solution of the present invention: the sludge tank is provided with a pusher plate; the pusher plate is fixedly connected with a piston rod, and the piston rod extends to the right side of the sedimentation tank and is connected with a hydraulic cylinder; A door panel is hinged on the left side of the mud tank.

As a further solution of the present invention: the flocculant filling pipe is provided with a one-way valve.

As a further solution of the present invention: the brush plate is slidingly connected with the inner wall of the settling tank.

As a further solution of the present invention: the sand packing plate and the activated carbon packing plate are connected to the filter box by plugging, and slots are provided on the top of the filter box.

Compared with the prior art, the beneficial effect of the present invention is: the present invention is equipped with reverse spiral blades and trapezoidal material guide plates, and horizontally stirs and mixes the sewage and flocculant, so that the flocculant can be quickly diffused and mixed, and the flocculation rate can be improved. Sedimentation efficiency, while reducing the agitation of the sludge that has been settled, and improving the sedimentation efficiency; the present invention is provided with reciprocating brushes to avoid clogging of filter holes and ensure normal filtration; the present invention is provided with a filter that is easy to disassemble Board, sand and gravel packing board and activated carbon packing board have good purification effect and are easy to disassemble and clean.

Description of drawings

Fig. 1 is the cross-sectional view of small-sized rapid precipitation environmental protection sewage treatment device;

Fig. 2 is a structural schematic diagram of a filter plate in a small-scale rapid precipitation environmental protection sewage treatment device.

In the figure: 1-sedimentation tank; 2-inlet pipe; 3-filter plate; 4-brush plate; 5-screw; 6-belt drive structure; 7-drive shaft; 8-drive motor; 9-flocculation agent Injection pipe; 10-spiral blade; 11-trapezoidal guide plate; 12-sludge tank; 13-push plate; 14-piston rod; 15-hydraulic cylinder; 16-door panel; 17-suction pump; 18-filter Box; 19-gravel packing board; 20-activated carbon packing board; 21-outlet pipe.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-2, in the embodiment of the present invention, a kind of small-scale rapid sedimentation environment-friendly sewage treatment device comprises sedimentation tank 1, driving motor 8 and filter box 18; The top of described sedimentation tank 1 is connected with inlet pipe 2, and 2 is provided with a filter plate 3 below, and the filter plate 3 is connected with the settling tank 1 by plugging, which is convenient for disassembly and cleaning. The filter plate 3 intercepts and filters the floating solid waste in the water; the filter plate 3 is abutted with a brush The bottom of the plate 4 and the brush plate 4 are provided with bristles to clean the filter plate 3 to avoid clogging of the filter holes; Rotationally connected with the side wall of the sedimentation tank 1 through bearings; a drive shaft 7 is provided below the filter plate 3, and spiral blades 10 in opposite directions are provided on the left and right sides of the drive shaft 7; the side wall of the sedimentation tank 1 is provided with flocculation Agent filling pipe 9, flocculant filling pipe 9 is provided with a one-way valve; the reverse spiral blade 10 fully stirs the sewage and flocculant, and accelerates the flocculation and sedimentation of suspended particles; the drive shaft 7 extends to the sedimentation tank 1 The outer side is also connected with a drive motor 8, the drive motor 8 is a positive and negative motor, and the drive motor 8 drives the drive shaft 7 to rotate; the drive shaft 7 is connected with the screw mandrel 5 through the belt drive mechanism 6, so that the brush plate 4 moves along the wire. The rod reciprocates; a trapezoidal material guide plate 11 is provided under the spiral blade 10, and the slope of the trapezoidal material guide plate 11 faces upwards to prevent the sludge that has sunk to the bottom from being stirred up; The sludge tank 12 is provided with a pusher plate 13 inside the sludge tank 12, and the pusher plate 13 pushes the sedimentation sludge; the pusher plate 13 is fixedly connected with a piston rod 14, and the piston rod 14 extends to the right side of the sedimentation tank 1 The side is connected with a hydraulic cylinder 15, and the hydraulic cylinder 15 drives the push plate 13 to move through the piston rod 14; the settling box 1 is located on the left side of the sludge tank 12 and is hinged with a door panel 16 to facilitate sludge discharge; the settling box 1 passes through The pipeline is connected with a liquid suction pump 17, and the liquid suction pump 17 is connected with a filter box 18 through a pipeline. The filter box 18 is provided with a sand packing plate 19 and an activated carbon packing plate 20. Filter; activated carbon packing plate 20 further absorbs and filters the insoluble tiny particles in the sewage to improve the filtering effect; the sand packing plate 19 and the activated carbon packing plate 20 are connected with the filter box 18 by plugging, and the top of the filter box 18 Slots are provided to facilitate the replacement of the gravel packing plate 19 and the active carbon packing plate 20.

The working principle of the present invention is: the sewage is added into the sedimentation tank 1 through the water inlet pipe 2, and the solid waste in the sewage is intercepted and filtered by the filter plate 3; The flocculant is added into the sedimentation tank 1 to accelerate the flocculation and sedimentation of suspended particles, and the drive motor 8 is started. The drive motor 8 is a positive and negative rotation motor. The drive motor 8 drives the drive shaft 7 to rotate forward and reverse periodically, and then drives the reverse rotation The spiral blade 10 stirs the sewage and the flocculant horizontally, so that the flocculant and the sewage are fully mixed; at the same time, the drive shaft 7 drives the screw rod 5 to rotate forward and reverse periodically through the belt transmission mechanism 6, and the brush plate 4 and the screw rod 5 threaded connection, and then drives the brush plate 5 to reciprocate along the screw rod 5, and the bristles scrub the filter plate 3 to avoid clogging of the filter holes and ensure normal filtration; the sludge after flocculation and sedimentation enters the sewage through the trapezoidal guide plate 11 In the mud tank 12, the spiral blades 10 installed in reverse are used to stir the sewage horizontally, and the slope of the trapezoidal material guide plate 11 faces upward, so that the sludge that has settled will not be stirred up and floated up, which improves the sedimentation efficiency. , turn off the driving motor 8, and let it stand still so that the flocs are fully precipitated, and the sedimentation is complete, start the liquid suction pump 17, and the liquid suction pump 17 pumps the sewage into the filter box 18, and the sand and gravel packing plate 19 is used for the incomplete precipitation. The flocs are filtered, and the activated carbon packing plate 20 further absorbs and filters the insoluble tiny particles in the sewage to improve the filtering effect and has a better filtering effect; the filtered water is discharged from the outlet pipe 21; wherein the filter plate 3, sand and gravel The packing plate 19 and the activated carbon packing plate 20 are easy to disassemble and clean up; in addition, when the settled sludge needs to be cleaned, the door panel 16 is opened and the hydraulic cylinder 15 is activated, and the hydraulic cylinder 15 drives the pusher plate 13 through the piston rod 14 to push the sludge out of the door panel 16 , easy to clean up.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. A small-sized rapid precipitation environmental protection sewage treatment device, comprising a sedimentation tank (1), a drive motor (8) and a filter box (18); it is characterized in that the top of the sedimentation tank (1) is connected to the water inlet pipe (2) , the water inlet pipe (2) is provided with a filter plate (3) below; the filter plate (3) is abutted with a brush plate (4), and the bottom of the brush plate (4) is provided with bristles; the brush plate (4) ) is threadedly connected with a screw mandrel (5), and the screw mandrel (5) is rotationally connected with the side wall of the settling tank (1) through a bearing; a driving shaft (7) is arranged below the filter plate (3), and the driving shaft (7) is left , The right two sides are provided with spiral blades (10) in opposite directions; the side wall of the settling tank (1) is provided with a flocculant filling pipe (9); the drive shaft (7) extends to the outside of the settling tank (1) And be connected with drive motor (8), and drive motor (8) is forward and reverse motor; Described drive shaft (7) is connected with screw mandrel (5) through belt transmission mechanism (6); A trapezoidal material guide plate (11) is provided, and the inclined surface of the trapezoidal material guide plate (11) faces upward; a sludge tank (12) is provided below the trapezoidal material guide plate (11); the settling tank (1) passes through the pipeline A liquid suction pump (17) is connected, and the liquid suction pump (17) is connected with a filter box (18) through a pipeline, and the filter box (18) is provided with a sandstone packing plate (19) and an activated carbon packing plate (20). 2. A kind of small-sized fast-precipitating environmental protection sewage treatment device according to claim 1, characterized in that, a pusher plate (13) is provided in the sludge tank (12); the pusher plate (13) A piston rod (14) is fixedly connected, and the piston rod (14) extends to the right side of the sedimentation tank (1) and is connected with a hydraulic cylinder (15); the sedimentation tank (1) is hinged on the left side of the sludge tank (12). Door panels (16). 3. A small-sized rapid-precipitation environment-friendly sewage treatment device according to claim 1, characterized in that the flocculant filling pipe (9) is provided with a one-way valve. 4. A small-sized rapid-settling environment-friendly sewage treatment device according to claim 1, characterized in that the brush plate (4) is slidingly connected to the inner wall of the settling tank (1). 5. A kind of small-sized quick-precipitation environment-friendly sewage treatment device according to claim 1, characterized in that, the sand packing plate (19) and the activated carbon packing plate (20) are connected to the filter box (18) by plugging. ) connection, the top of the filter box (18) is provided with a slot.