CN213977215U - Sewage treatment device convenient for collecting sewage - Google Patents

Abstract

The utility model relates to a sewage treatment device convenient for collecting sewage, which effectively solves the problem that the prior air floatation device lacks the function of filtering larger impurities in sewage in advance; the clarifying tank is sequentially divided into a primary air flotation chamber, a secondary air flotation chamber, a clarifying chamber and a backflow water collecting chamber from left to right, wherein the primary air flotation chamber is communicated with the upper end of the secondary air flotation chamber, the secondary air flotation chamber is communicated with the upper end of the clarifying chamber, and the clarifying chamber is communicated with the lower end of the backflow water collecting chamber; the utility model discloses the structure is succinct, and the operation of being convenient for through the one-level air supporting room of integration in air supporting device clarification tank, realizes the preliminary treatment to bold debris in the sewage, has improved air supporting device's whole purification efficiency, and the practicality is strong.

Description

Sewage treatment device convenient for collecting sewage

Technical Field

The utility model relates to a water treatment facilities technical field specifically is a sewage treatment plant convenient to collect filth.

Background

The micro-nano air floatation is that waste water is pressurized by a water pump, air is injected in front of the pump, the air is dissolved in the waste water in an air dissolving tank, and then the air dissolved in the water is decompressed by a micropore pressurization technology to release a large amount of uniformly dispersed micro-nano bubbles. The micro-nano bubbles collide with and adhere to pollutants such as emulsified oil, micro suspended particles and the like in the wastewater; the adhered pollutants float on the surface of the treated water under the drive of the bubbles, thereby finishing the purpose of separating oil and suspended matters from water. The gas dissolving and releasing system generates a great amount of micro-bubbles in water, so that the micro-bubbles are adhered to solid or liquid particles with the density close to that of the water in the wastewater to cause the state that the overall density is lower than that of the water, and the micro-bubbles are lifted to the water surface by virtue of buoyancy, thereby achieving the aim of solid-liquid or liquid-liquid separation. The equipment used in the air floatation process comprises an air floatation clarifying tank for completing the separation process and accessory equipment for generating air bubbles.

Before oil and water are separated from each other under the action of micro-nano air flotation, large impurities such as plastic products and various fragments in sewage need to be filtered in advance, so that the filtering effect of the air flotation device is improved.

If the external equipment filters the large impurities in advance, a large space is needed for installing additional equipment, and additional maintenance is needed.

Therefore, the utility model provides a sewage treatment plant convenient to collect filth solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model provides a sewage treatment device convenient to collect filth, the effectual current air supporting device of having solved lacks the problem to the filtering capability in advance of the great piece impurity in the sewage.

The utility model comprises a clarification tank, which is characterized in that the clarification tank is divided into a first-stage air-bearing chamber, a second-stage air-bearing chamber, a clarification chamber and a backflow water collecting chamber from left to right in sequence, the upper ends of the first-stage air-bearing chamber and the second-stage air-bearing chamber are communicated, the upper ends of the second-stage air-bearing chamber and the clarification chamber are communicated, and the lower ends of the clarification chamber and the backflow water collecting chamber are communicated;

one side of the primary air floating chamber is fixedly communicated with a large sundry treatment chamber, the large sundry treatment chamber is communicated with the lower end of the primary air floating chamber, and one end of the large sundry treatment chamber is provided with a sundry outlet;

an inclined filter plate is arranged in the primary air floating chamber, one end of the filter plate is flush with the lower end of the large sundries treatment chamber, the other end of the filter plate is higher than the lower end of the large sundries treatment chamber, a plurality of lower bulges are integrally connected with the lower end surface of the filter plate, a plurality of upper bulges are integrally connected with the upper end surface of the filter plate, and a bubble water inlet arranged on the side wall of the clarifying tank is arranged at one end of the filter plate, which is far away from the large sundries treatment chamber;

the filter plate on set up a plurality of filtration holes that pierce through bellying and last bellying.

Preferably, the vertical distance from the lowest point of the lower convex part to the filter plate is greater than the vertical distance from the highest point of the upper convex part to the filter plate.

Preferably, the filter plate is connected with the primary air floating chamber through a spring.

Preferably, the lower end face of the primary air flotation chamber is an inclined plane, and one end far away from the large impurity treatment chamber is high;

big debris process chamber below be provided with the holding tank of seting up in one-level air supporting room bottom surface, the holding tank in sliding connection have oblique screen cloth from top to bottom, the one end of oblique screen cloth towards the debris export low and the other end height, the one end fixedly connected with riser that the screen cloth is high to one side, the riser up end with one-level air supporting room bottom surface flush.

Preferably, the upper end face of the clarifying tank is fixedly connected with a winding drum, and an iron chain with the other end fixedly connected with the inclined screen is wound on the winding drum.

Preferably, the lower end of the first-stage air flotation chamber is provided with a feed inlet, the feed inlet is positioned below the filter plate, and the lower end of the backflow water collection chamber is provided with a water phase outlet.

The utility model discloses lack the problem to filtering capability in advance to the great piece impurity in the sewage to current air supporting device and make the improvement, possess following advantage:

1. through the arrangement of the two-stage air flotation chambers and the arrangement of the filter plate in the first-stage air flotation chamber, the effect of two-stage grading filtration is realized;

2. the filter plate is arranged at a bubble water inlet of the primary air flotation chamber, the upper end surface and the lower end surface of the filter plate are respectively provided with a bulge, and the filter plate is vibrated by matching with the airflow of the bubble water, so that sundries are prevented from being attached to the filter plate;

3. a large impurity treatment chamber is arranged in the primary air flotation chamber, and the filter plate is arranged as an inclined plate, so that large impurities can be separated in advance;

4. the bottom surface of the primary air flotation chamber is arranged to be an inclined surface, and an inclined filter screen is arranged in the large sundries treatment chamber, so that sundries which cannot float upwards are fished up and discharged;

the utility model discloses the structure is succinct, and the operation of being convenient for through the one-level air supporting room of integration in air supporting device clarification tank, realizes the preliminary treatment to bold debris in the sewage, has improved air supporting device's whole purification efficiency, and the practicality is strong.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is a schematic front view of the front side wall of the present invention.

Fig. 4 is a schematic sectional view of the first-level air bearing chamber of the present invention.

Fig. 5 is a schematic sectional perspective view of the first-level air bearing chamber of the present invention.

Fig. 6 is a perspective view of the filter plate of the present invention.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 6. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and will not be described in detail herein.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

An embodiment, the utility model relates to a sewage treatment plant convenient to collect filth, including clarification tank 1, take place micro-nano air supporting reaction and separation profit in the clarification tank 1 to output water after the separation, its characterized in that refers to fig. 3, clarification tank 1 from a left side to the right side separate in proper order for one-level air supporting room 2, second grade air supporting room 3, clarification chamber 4, backward flow water collection chamber 5, one-level air supporting room 2 and 3 upper ends of second grade air supporting room intercommunication, second grade air supporting room 3 and 4 upper ends of clarification chamber intercommunication, clarification chamber 4 and 5 lower extreme intercommunications of backward flow water collection chamber, wherein:

the primary air flotation chamber 2 is used for filtering large sundries, the upper end of the primary air flotation chamber 2 is communicated with the secondary air flotation phase 3, and sewage enters the secondary air flotation chamber 3 after filling the primary air flotation chamber 2;

the secondary air flotation chamber 3 is used for filtering oil stains in sewage, one end of the secondary air flotation chamber 3 is provided with an inlet for entering bubble water and communicated with external bubble generating equipment, the bubble generating equipment adopts common equipment in a micro-nano air flotation method, and details are not repeated here, and the secondary air flotation chamber 3 is used for filling micro-nano bubbles into an oil-water mixture so as to drive the oil stains to float;

the return water collection chamber 5 is used for collecting clean water after oil stain removal and discharging the clean water to the outside or the next working procedure;

one side of the primary air flotation chamber 2 is fixedly communicated with a large sundry treatment chamber 6, the large sundry treatment chamber 6 is communicated with the lower end of the primary air flotation chamber 2, one end of the large sundry treatment chamber 6 is provided with a sundry outlet 7, large sundries in sewage entering the primary air flotation chamber 2 enter the large sundry treatment chamber 6 and are discharged through the sundry outlet 7, the upper end of the sundry outlet 7 is as high as the communicated part of the primary air flotation chamber 2 and the secondary air flotation chamber 3, and the sundries can be discharged through the sundry outlet 7 due to the arrangement;

the primary air-bearing chamber 2 is internally provided with an inclined filter plate 8, one end of the filter plate 8 is flush with the lower end of the large sundries treatment chamber 6, the end is high, the other end is low, the arrangement can ensure that large sundries in sewage enter the large sundries treatment chamber 6 along the filter plate 8 in the process of the sewage flowing into the primary air-bearing chamber 2, the lower end surface of the filter plate 8 is integrally connected with a plurality of lower bulges 9, the upper end surface of the filter plate 8 is integrally connected with a plurality of upper bulges 10, the filter plate 8 is provided with a plurality of filter holes 12 penetrating through the lower bulges 9 and the upper bulges 10, the arrangement ensures that micro-nano air-bearing bubbles in the sewage, bubble water and bubble water can pass through the filter holes 12, the large sundries can be blocked by the filter plate 8, one end of the filter plate 8, far away from the large sundries treatment chamber, is provided with a bubble water inlet 11 arranged on the side wall of the clarification tank 1, the bubble water inlet 11 is communicated with an external bubble generating device, the bubble generating device adopts a common device in a micro-nano air floatation method, and details are not repeated, referring to fig. 4 and 5, the arrangement of the upper convex part 10 and the lower convex part 9 enables bubble water to drive the filter plate 8 to vibrate up and down when entering the primary air floatation chamber 2, thereby preventing sundries from adhering on the filter plate 8, specifically, the bubble water impacts the lower convex part 9 to push the filter plate 8 upwards, thereby enabling the filter plate 8 and the sundries to be separated from contact, at the moment, under the impact thrust of the bubble water, the sundries are pushed into the large sundries treatment chamber 6, in order to improve the effect, the filter plate 8 and the primary air floatation chamber 2 are connected through a spring 13, specifically, two opposite side walls of the primary air floatation chamber 2 are fixedly connected with protruding short plates, one end of the spring 13 is fixedly connected at the lower end of the protruding short plate, and the other end of the spring is fixedly connected with the filter plate 8, referring to fig. 4, the spring 13 is arranged to enable the filter plate 8 to vibrate slightly in the primary air floating chamber 2 under the combined action of the bubble water of the spring 13, so as to effectively prevent impurities from attaching to the lower end of the filter plate 8 for a long time to influence the water flow passing condition;

this embodiment is when specifically using, and sewage gets into from one-level air supporting room 2, and bubble water gets into one-level air supporting room 2 and second grade air supporting room 3 simultaneously, and bold debris are stopped by filter 8 when passing through filter 8, and under the impact of bubble water, vibrations about filter 8, the impact force of cooperation bubble water makes debris finally get into in the big debris treatment chamber 6 to rise along with rivers at the rising of big debris treatment chamber 6, finally discharged through debris export 7.

Embodiment two, on the basis of embodiment one, the vertical distance of lower bellying 9 minimum to filter 8 be greater than the vertical distance of upper bellying 10 maximum to filter 8, because of bubble water gets into in one-level air supporting chamber 2 and when promoting filter 8 upward movement, filter 8 that moves up can make filter 8 upper portion rivers move down, thereby realize debris and the separation of filter 8, the power that this rivers produced also can provide the effect that resets for filter 8 simultaneously, when lower bellying 9 minimum is higher than bubble water inlet 11 upper end, bubble water will not be through bellying 9 lift for filter 8 down, spring 13 is being in the biggest compression state this moment, cooperate rivers to realize the resetting of filter 8 from the power of filter 8 from the top, thereby better realization filter 8 shakes from top to bottom.

In the third embodiment, on the basis of the first embodiment, the lower end surface of the primary air floating chamber 2 is an inclined surface, and one end far away from the large impurity treatment chamber 6 is high, so that impurities deposited on the bottom surface of the primary air floating chamber 2 can move towards the large impurity treatment chamber 6 under the action of water flow;

referring to fig. 4, an accommodating tank 14 arranged at the bottom surface of the primary air flotation chamber 2 is arranged below the large impurity treatment chamber 6, an inclined screen 15 is connected in the accommodating tank 14 in a vertically sliding manner, impurities in the primary air flotation chamber 2 finally fall on the inclined screen 15 along the inclined bottom surface, one end of the inclined screen 15 facing the impurity outlet 7 is low, and the other end of the inclined screen 15 is high, so that when the inclined screen 15 rises to be close to the impurity outlet 7, the impurities on the inclined screen 15 fall and are discharged along the inclined screen 15, a vertical plate 16 is fixedly connected to one end of the inclined screen 15 with the high height, the upper end surface of the vertical plate 16 is flush with the bottom surface of the primary air flotation chamber 2, and the vertical plate 16 is arranged to effectively prevent the impurities on the inclined screen 15 from falling;

the upper end surface of the clarifying tank 1 is fixedly connected with a winding drum 17, the winding drum 17 is wound with an iron chain, the other end of the iron chain penetrates through the upper end surface of the clarifying tank 1 and is fixedly connected to the inclined screen 15, the winding drum 17 is connected with a servo motor fixedly connected to the upper end surface, the servo motor is externally connected with a power supply, the servo motor is controlled by an external controller to drive the winding drum 17 to rotate forwards and backwards so as to drive the inclined screen 15 to move up and down through the iron chain, in order to ensure the stability of the iron chain driving the inclined screen 15 to move up and down, the fixed connection point of the lower end of the iron chain and the inclined screen 15 can be set to be two, or vertical slide rails are arranged on two side walls of the large sundries processing chamber 6 so as to ensure that the inclined screen 15 is stably lifted without turning over, the conventional setting for keeping the stable lifting is not repeated here, the external controller can control the servo motor, the device can be manually controlled by workers, and impurities on the inclined screen 15 can be cleaned at one time after the filtering is finished;

it should be noted that, if the inclined screen 15 is controlled to regularly lift during the filtration, a small amount of impurities will fall into the holding tank 14, and the impurities in the holding tank 14 will also affect the falling of the inclined screen 15, so that the depth of the holding tank 14 is greater than the heights of the inclined screen 15 and the vertical plate 16, which can effectively ensure that the impurities in the holding tank 14 will not affect the receiving of the inclined screen 15 on the subsequent impurities, but the holding tank 14 still needs to be regularly cleaned under the condition, so the present embodiment preferably adopts manual control and cleans the impurities on the inclined screen 15 at one time after the filtration is finished.

Fourth embodiment, on the basis of first embodiment, 2 lower extremes of one-level air supporting chamber be provided with feed inlet 18, feed inlet 18 be located filter 8 below to guarantee that debris can pass through the filtration of filter 8, backward flow water collect 5 lower extremes of room be provided with aqueous phase export 19, feed inlet 18 and aqueous phase export 19 are used for making the oil water mixture get into the air supporting chamber respectively and separate the water outflow, all are provided with the valve in feed inlet 18 and aqueous phase export 19 department, are convenient for the control of this device.

When the utility model is used specifically, sewage enters the first-level air flotation chamber 2 through the feed inlet 18, meanwhile, the servo motor and the micro-nano air flotation equipment are started, under the action of the water flow impact matching spring 13 of bubble water, the filter plate 8 vibrates up and down, so that sundries can not be attached to the filter plate 8 and enter the large sundry treatment bin along with water flow, the servo motor is started to drive the inclined screen 15 to move up and down, heavier sundries deposited on the inclined screen 15 are discharged through the sundry outlet 7, and lighter sundries can directly float up along with water flow and are discharged through the sundry outlet 7;

the filtered water enters the secondary air flotation chamber 3, and is discharged after oil-liquid separation in the secondary air flotation chamber 3, entering the clarification chamber 4 and the return water collection chamber 5.

The utility model discloses lack the problem to filtering capability in advance to the great piece impurity in the sewage to current air supporting device and make the improvement, possess following advantage:

1. through the arrangement of the two-stage air flotation chambers and the arrangement of the filter plate in the first-stage air flotation chamber, the effect of two-stage grading filtration is realized;

2. the filter plate is arranged at a bubble water inlet of the primary air flotation chamber, the upper end surface and the lower end surface of the filter plate are respectively provided with a bulge, and the filter plate is vibrated by matching with the airflow of the bubble water, so that sundries are prevented from being attached to the filter plate;

3. a large impurity treatment chamber is arranged in the primary air flotation chamber, and the filter plate is arranged as an inclined plate, so that large impurities can be separated in advance;

4. the bottom surface of the primary air flotation chamber is arranged to be an inclined surface, and an inclined filter screen is arranged in the large sundries treatment chamber, so that sundries which cannot float upwards are fished up and discharged;

the utility model discloses the structure is succinct, and the operation of being convenient for through the one-level air supporting room of integration in air supporting device clarification tank, realizes the preliminary treatment to bold debris in the sewage, has improved air supporting device's whole purification efficiency, and the practicality is strong.

Claims (6)

1. A sewage treatment device convenient for collecting sewage comprises a clarifying tank (1) and is characterized in that the clarifying tank (1) is sequentially divided into a primary air floatation chamber (2), a secondary air floatation chamber (3), a clarifying chamber (4) and a backflow water collecting chamber (5) from left to right, the upper ends of the primary air floatation chamber (2) and the secondary air floatation chamber (3) are communicated, the upper ends of the secondary air floatation chamber (3) and the clarifying chamber (4) are communicated, and the lower ends of the clarifying chamber (4) and the backflow water collecting chamber (5) are communicated;

one side of the primary air floating chamber (2) is fixedly communicated with a large sundry treatment chamber (6), the large sundry treatment chamber (6) is communicated with the lower end of the primary air floating chamber (2), and one end of the large sundry treatment chamber (6) is provided with a sundry outlet (7);

an inclined filter plate (8) is arranged in the first-stage air floating chamber (2), one end of the filter plate (8) is flush with the lower end of the large sundries treatment chamber (6), the end is high, the other end is low, a plurality of lower protrusions (9) are integrally connected with the lower end face of the filter plate (8), a plurality of upper protrusions (10) are integrally connected with the upper end face of the filter plate (8), and a bubble water inlet (11) formed in the side wall of the clarification tank (1) is formed in one end, far away from the large sundries treatment bin, of the filter plate (8);

the filter plate (8) is provided with a plurality of filter holes (12) penetrating through the lower convex part (9) and the upper convex part (10).

2. A sewage treatment plant facilitating the collection of sewage according to claim 1, wherein the vertical distance from the lowest point of said lower protrusions (9) to the filter plate (8) is greater than the vertical distance from the highest point of said upper protrusions (10) to the filter plate (8).

3. A device for facilitating the collection of waste water according to claim 1 or 2 wherein the filter plate (8) is connected to the primary air flotation chamber (2) by means of springs (13).

4. The sewage treatment device convenient for collecting sewage according to claim 1, wherein the lower end surface of the primary air floating chamber (2) is an inclined surface and the end far away from the large impurity treatment chamber (6) is high;

big debris treatment chamber (6) below be provided with holding tank (14) of seting up in one-level air supporting chamber (2) bottom surface, holding tank (14) in sliding connection have oblique screen cloth (15) from top to bottom, oblique screen cloth (15) low and the other end height towards the one end of debris export (7), the one end fixedly connected with riser (16) that oblique screen cloth (15) are high, riser (16) up end with one-level air supporting chamber (2) bottom surface flush.

5. The sewage treatment device convenient for collecting sewage according to claim 4, wherein a winding drum (17) is fixedly connected to the upper end surface of the clarifying tank (1), and an iron chain fixedly connected to the inclined screen (15) at the other end is wound on the winding drum (17).

6. A sewage treatment plant facilitating the collection of sewage according to claim 1 wherein the lower end of the primary air flotation chamber (2) is provided with a feed inlet (18), said feed inlet (18) is located below the filter plate (8), and the lower end of the return water collection chamber (5) is provided with a water phase outlet (19).

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