Sewage intercepting device
Technical Field
The utility model relates to a sewage treatment technical field, more specifically say, relate to a cut dirty device.
Background
At present, an aeration biological filter tank is a relatively popular sewage treatment process in municipal sewage treatment processes, but the requirement on the quality of inlet water is high, SS (SS represents the concentration of Suspended solids, and is an abbreviation of Suspended Solid) is not more than 60mg/L, filamentous garbage cannot exist, and if the quality of the inlet water does not meet the requirement, the problems of blockage of a long-handle filter head, uneven water distribution, uneven aeration, poor water passing capacity and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a cut dirty device.
The utility model provides a technical scheme that its technical problem adopted is:
a sewage interception device is constructed, wherein the sewage interception device comprises a tank body; a longitudinal sewage interception layer is arranged in the tank body; the sewage interception layer divides the tank body into a sewage interception front area and a sewage interception rear area; the sewage interception front area is provided with a water inlet for pretreated sewage to enter; the sewage intercepting area is provided with a water outlet for the sewage after sewage interception to flow out; the sewage interception layer comprises a plurality of upright posts and a grating plate arranged between two adjacent upright posts; the bottom surface of the upright post is fixedly connected with the inner bottom surface of the tank body; a plurality of the upright posts are not in a straight line; the opposite side surfaces of two adjacent upright columns are provided with clamping grooves which are matched with and used for clamping the grating plates; the clamping groove is communicated with the top surface and the bottom surface of the upright post.
The sewage interception device of the utility model is characterized in that a longitudinal overflow weir plate is arranged in the sewage interception area; the bottom surface of the overflow weir plate is fixedly connected with the inner bottom surface of the tank body; the overflow weir plate divides the intercepted sewage area into a water storage area and an outer flow area; the water outlet is arranged in the outflow region; the top surface of the overflow weir plate is lower than the top surface of the grid plate and higher than the lowest point of the water outlet.
The sewage interception device of the utility model is characterized in that the water inlet and the water outlet are both arranged on the side wall of the tank body; the water inlet direction of the water inlet is vertical to the water outlet direction of the water outlet.
The sewage interception device of the utility model is characterized in that the tank body is strip-shaped; the two upright columns respectively positioned at the two ends of the sewage interception layer are respectively fixedly connected with the two long side walls of the tank body; the water inlets are formed in two long side walls of the tank body; the short side wall of the tank body is provided with the water outlet.
Cut dirty device, wherein, the water inlet is higher than the delivery port.
The sewage interception device of the utility model is characterized in that the sewage interception front area is provided with a drain opening which is opened during cleaning; the evacuation port is arranged at the lower part of the side wall of the tank body.
Cut dirty device, wherein, a plurality of the stand is square wave form or trapezoidal wave form and arranges.
Cut dirty device, wherein, the cell body is made by carbon steel material and has done anticorrosive treatment.
Cut dirty device, wherein, the overflow weir plate is made by carbon steel material and has done anticorrosive treatment.
Cut dirty device, wherein, the grid board is made by the ABS material.
The beneficial effects of the utility model reside in that: the pretreated sewage enters a sewage interception front area through a water inlet, is filtered by a sewage interception layer, blocks some solid garbage in the sewage by a grating plate, enters a sewage interception rear area, finally flows out of a water outlet, and enters an aeration biological filter; the plurality of upright posts are not on the same straight line, so that the acting area of the sewage interception layer is increased, and the filtering efficiency is improved; the grid plates are fixed by being clamped in the clamping grooves, so that the grid plates are convenient to disassemble and assemble; the clamping groove penetrates through the top surface and the bottom surface of the stand column, and therefore processing and dismounting of the grating plate are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic structural view of a sewage interception apparatus according to a preferred embodiment of the present invention (a plurality of columns are arranged in a square wave shape, and arrows in the figure indicate the general flow direction of sewage);
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a cross-sectional view taken at B of FIG. 1 (the arrows indicate the general direction of flow of the contaminated water);
fig. 4 is a schematic structural view of the sewage intercepting apparatus according to the preferred embodiment of the present invention (a plurality of columns are arranged in a trapezoidal wave shape, and arrows in the figure indicate the general flow direction of sewage).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The structure of the sewage intercepting apparatus according to the preferred embodiment of the present invention is schematically shown in fig. 1 (a plurality of columns are arranged in a square wave shape), and refer to fig. 2 to 4; comprises a tank body 1; a longitudinal sewage interception layer 2 is arranged in the tank body 1; the sewage interception layer 2 divides the tank body 1 into a sewage interception front area 11 and a sewage interception rear area 10; the pre-sewage-interception area 11 is provided with a water inlet 110 for pretreated sewage to enter; the sewage intercepting area 10 is provided with a water outlet 1000 for the sewage after sewage interception to flow out; the sewage interception layer 2 comprises a plurality of upright posts 21 and a grating plate 20 arranged between two adjacent upright posts 21; the bottom surface of the upright post 21 is fixedly connected with the inner bottom surface of the tank body 1; the plurality of upright posts 21 are not in a straight line; the opposite side surfaces of two adjacent upright posts 21 are provided with clamping grooves 210 matched with the clamping grid plates 20; the slot 210 communicates the top and bottom surfaces of the post 21; the pretreated sewage firstly enters the pre-sewage-intercepting zone 11 through the water inlet 110, then is filtered by the sewage-intercepting layer 2, the solid garbage in the sewage is intercepted by the grating plate 20, the filtered sewage enters the post-sewage-intercepting zone 10 and finally flows out through the water outlet 1000 to enter the biological aerated filter, and the pretreated sewage is filtered by the sewage-intercepting device, so that the cost is low, the occupied area is small, and the installation is convenient; the plurality of upright posts 21 are not on the same straight line, so that the acting area of the sewage interception layer 2 is increased, and the filtering efficiency is improved; the grid plates 20 are fixed by clamping the grid plates 20 in the clamping grooves 210, so that the grid plates 20 can be conveniently disassembled and assembled; the slots 210 penetrate the top and bottom surfaces of the pillars 21, which facilitates the processing and the assembly and disassembly of the grid plate 20.
As shown in fig. 1, 3 and 4, a longitudinal overflow weir plate 3 is arranged in the sewage interception area 10; the bottom surface of the overflow weir plate 3 is fixedly connected with the inner bottom surface of the tank body 1; the overflow weir plate 3 divides the sewage interception area 10 into a water storage area 101 and an outflow area 100; the water outlet 1000 is arranged in the outflow region 100; the top surface of the overflow weir plate 3 is lower than the top surface of the grating plate 20 and higher than the lowest point of the water outlet 1000; the pretreated sewage firstly enters the water storage area 101 after being filtered, and is blocked by the overflow weir plate 3 to store water, when the water level in the water storage area 101 is higher than the overflow weir plate 3, the filtered sewage flows into the outer flow area 100 and finally flows out through the water outlet 1000, and the overflow weir plate 3 is used for storing water to reduce the impact force of the sewage.
As shown in fig. 1 and 4, the water inlet 110 and the water outlet 1000 are both arranged on the side wall of the tank body 1; the water inlet direction of the water inlet 110 is vertical to the water outlet direction of the water outlet 1000; the water inlet direction is vertical to the water outlet direction, so that the flow velocity of the sewage in the tank body 1 is reduced, the contact time of the sewage and the grid plate 20 is prolonged, and the filtering effect is improved.
As shown in fig. 1 and 4, the tank body 1 is strip-shaped; two upright posts 21 respectively positioned at two ends of the sewage interception layer 2 are respectively fixedly connected with two long side walls of the tank body 1; the two long side walls of the tank body 1 are both provided with water inlets 110; a water outlet 1000 is arranged on the short side wall of the tank body 1; both sides are intake, and the middle is discharged, and sewage is distributed more evenly, has improved the filter effect.
As shown in fig. 3, the water inlet is higher than the water outlet; the sewage can flow in the pool body conveniently.
As shown in fig. 1, 3 and 4, the pre-sewage interception area 11 is provided with a drain 111 that is opened during cleaning; the evacuation port 111 is arranged at the lower part of the side wall of the tank body 1; when the sewage interception device does not need to be cleaned, the evacuation port 111 is always in a closed state, the normal use of the sewage interception device cannot be influenced, when the sewage interception device needs to be cleaned, the evacuation port 111 is firstly opened, sewage in the tank body 1 is evacuated, then the inside of the tank body 1 is reversely flushed by means of a tool such as a high-pressure water gun, solid garbage intercepted by the grating plate 20 is flushed out through the evacuation port 111, the cleaning is finished, and the cleaning is convenient; the emptying port 111 is arranged at the lower part of the side wall of the tank body 1, so that sewage can be emptied conveniently and solid garbage can be flushed out conveniently.
As shown in fig. 1 and 4, the plurality of columns 21 are arranged in a square wave shape or a trapezoidal wave shape; the acting area of the sewage interception layer 2 is increased, and the filtering efficiency is improved.
As shown in fig. 1, 3 and 4, the tank body 1 is made of carbon steel material and is subjected to corrosion prevention treatment; the service life is long.
As shown in fig. 1, 3 and 4, the overflow weir plate 3 is made of carbon steel material and is subjected to corrosion prevention treatment; the service life is long.
As shown in fig. 1, 3 and 4, the grating plate 20 is made of ABS material; the grating plate 20 is made of ABS material, and has high strength, good toughness and corrosion resistance.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.