CN219603339U

CN219603339U - Sewage treatment flocculation precipitation device

Info

Publication number: CN219603339U
Application number: CN202320500139.7U
Authority: CN
Inventors: 张会东; 杜同平
Original assignee: Shandong Hongda Construction Engineering Co ltd
Current assignee: Shandong Hongda Construction Engineering Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-08-29
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses a sewage treatment flocculation precipitation device, which comprises: the device comprises a box body, a sludge hopper, a baffle plate, an inclined tube array and a stirring mechanism. Wherein: the tank body is obliquely arranged, and the sludge hopper is fixedly connected to the lower port of the tank body. The partition boards are two groups, and the partition boards are vertically fixed in the inner cavity of the box body at intervals, so that the inner cavity of the box body is divided into three chambers, the middle chamber is used as a coagulation chamber, the chambers on two sides of the middle chamber are used as sedimentation promoting areas, the inclined pipe arrays are distributed, and the inclination degree of the inclined pipe arrays is the same as that of the box body. The side walls of the coagulation chamber are provided with a water inlet and a flocculating agent adding port, the side walls of the two sedimentation promoting areas are provided with water outlets, and the water outlets are positioned above the upper ports of the inclined tube arrays. The stirring mechanism is arranged in the coagulation chamber. The sewage treatment flocculation precipitation device can effectively increase the sedimentation of floccules, improves the water outlet quality, and has the characteristics of compact structure and small occupied area.

Description

Sewage treatment flocculation precipitation device

Technical Field

The utility model relates to the field of sewage treatment devices, in particular to a flocculation precipitation device for sewage treatment.

Background

Flocculation precipitation treatment refers to a water treatment process in which flocculant is added into sewage to cause suspended particles in the water to be subjected to flocculation precipitation. At present, the flocculation sedimentation treatment of sewage mainly adopts a flocculation tank, after coagulant is added into water, colloid and dispersed particles of suspended matters collide with each other under the action of the flocculant and are coagulated to generate floccules, then the floccules are naturally precipitated at the bottom of the flocculation tank under the action of self gravity, and clear water is discharged from the upper part of the flocculation tank. However, the flocculation tank has limited sedimentation effect on floccules, so that the discharged clean water still contains a lot of floccules, if the discharged clean water is discharged after being filtered by adopting a filter screen directly, the filter screen is easy to be blocked, the filter screen needs to be replaced frequently, the efficiency of sewage treatment is affected, and the treatment cost is increased.

Disclosure of Invention

In view of the above, the utility model provides a sewage treatment flocculation precipitation device which can effectively increase the sedimentation of floccules and improve the water outlet quality, and has the characteristics of compact structure and small occupied area. In order to achieve the above object, the technical scheme of the present utility model is as follows.

A sewage treatment flocculation precipitation device, comprising: the device comprises a box body, a sludge hopper, a baffle plate, an inclined tube array and a stirring mechanism. Wherein: the tank body is obliquely arranged, and the sludge hopper is fixedly connected to the lower port of the tank body. The partition boards are two groups, and the partition boards are vertically fixed in the inner cavity of the box body at intervals, so that the inner cavity of the box body is divided into three chambers, the middle chamber is used as a coagulation chamber, the chambers on two sides of the middle chamber are used as sedimentation promoting areas, the inclined pipe arrays are distributed, and the inclination degree of the inclined pipe arrays is the same as that of the box body. The side walls of the coagulation chamber are provided with a water inlet and a flocculating agent adding port, the side walls of the two sedimentation promoting areas are provided with water outlets, the water outlets are positioned above the upper ports of the inclined tube array, and the heights of the water outlets are lower than the water inlet and the flocculating agent adding port. The stirring mechanism is arranged in the coagulation chamber.

Further, the inclination degrees of the box body and the inclined tube array are 60-75 degrees.

Further, the inclined tube array is an array tube group formed by obliquely arranging a plurality of square tubes, and is mainly used for increasing the sedimentation of floccules in sewage.

Further, the lower portion of the sludge hopper has a sludge discharge port so as to discharge sludge settled therein.

Further, the tank body is fixed on the support, and the sludge hopper is in a suspended state.

Further, the flocculant adding port is connected with a flocculant storage tank through a transfer pump so as to add flocculant into the coagulation chamber.

Further, the stirring mechanism comprises a driving motor, a rotating shaft and paddles. Wherein: the driving motor is fixed on the supporting plate above the box body. The rotating shaft is positioned in the coagulation chamber, and the upper end of the rotating shaft is fixedly connected with the driving motor. The paddle is fixed on the rotating shaft so as to mix the sewage and the flocculating agent entering the coagulation chamber.

Compared with the prior art, the utility model has the following beneficial effects: the sewage treatment flocculation precipitation device provided by the utility model has the advantages that the box body is divided into three parts by the partition plate, the middle part is used as the coagulation chamber, and the stirring mechanisms are arranged in the coagulation chamber, and the two sides of the coagulation chamber are used as the sedimentation promoting areas, so that the internal space of the box body is fully utilized, and the flocculation precipitation device has a more compact structure and a smaller occupied area. Meanwhile, the box body is arranged to be inclined, the sedimentation promoting area is provided with the inclined tube array, when sewage, flocculating agent and the like are uniformly mixed in the coagulation chamber and then enter the sludge bucket at the lower part, preliminary sedimentation of the flocculating body is firstly carried out, then the sewage enters from the bottom end of the inclined tube array, flocculating body particles slowly flow towards the tube wall direction and are deposited under the action of the resultant force of water power and gravity, the deposited flocculating body finally slides out from the bottom end of the inclined tube array and enters the sludge bucket for collection, clear water is discharged from the upper end of the inclined tube array, further sedimentation of the flocculating body is effectively promoted through the process, and the water outlet quality is improved. And the flocculating constituent accumulated in the sludge hopper can be discharged periodically or irregularly, and is convenient and efficient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic diagram showing the construction of a flocculation and sedimentation device for sewage treatment in the following examples.

FIG. 2 is an internal schematic view of a flocculation and sedimentation device for sewage treatment in the following examples.

FIG. 3 is a schematic diagram of the structure of the tube array in the following embodiment.

FIG. 4 is a top view of the flocculation and sedimentation device for sewage treatment in the following examples.

The labels in the figures represent: 1-box, 2-sludge hopper, 3-baffle, 4-inclined tube array, 5-bracket, 6-motor, 7-rotating shaft, 8-paddle, 9-supporting plate, 101-coagulation chamber, 102-sedimentation promoting area, 103-water inlet, 104-flocculant adding port and 105-water outlet.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

In the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and do not limit the structure, but merely facilitate description of the present utility model, rather do not indicate or imply that the device or element being referred to needs to have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The technical scheme of the utility model is further described with reference to the attached drawings and the embodiments.

Referring to fig. 1 to 4, there is illustrated a sewage treatment flocculation precipitation apparatus including: the device comprises a box body 1, a sludge hopper 2, a partition plate 3, an inclined tube array 4 and a stirring mechanism. Wherein: the tank body 1 is obliquely arranged, the sludge hopper 2 is fixedly connected to the lower port of the tank body 1, and the sludge hopper 2 is of a conical structure so as to collect floccules settled in sewage. The tank body 1 is fixed on the bracket 5, the sludge hopper 2 is in a suspended state, and the lower part of the sludge hopper 2 is provided with a sludge discharge port so as to discharge the sludge settled in the sludge discharge port.

The number of the partition plates 3 is two, and the partition plates are vertically fixed in the inner cavity of the box body 1 at intervals, so that the inner cavity of the box body 1 is divided into three chambers. Wherein: the middle chamber is used as a coagulation chamber 101, and the chambers at two sides of the coagulation chamber are used as sedimentation promoting areas 102, so that the inner space of the box body 1 is fully utilized, and the flocculation sedimentation device has a more compact structure and occupies a smaller area.

The inclined tube array 4 is arranged in the sinking promoting region 102, and the inclination degree of the inclined tube array 4 is the same as that of the box body 1. The inclination degrees of the box body 1 and the inclined tube array 4 can be arbitrarily selected from 60 degrees to 75 degrees, such as 60 degrees, 70 degrees, 75 degrees and the like, and any other suitable inclination angle can be selected. The inclined tube array 4 may be an array structure formed by a plurality of round tubes, or may be an array tube group formed by a plurality of square tubes obliquely arranged (refer to fig. 3 and 4), and the inclined tube array 4 is mainly used for promoting the settling of floccules in sewage.

The side walls of the coagulation chamber 101 are provided with a water inlet 103 and a flocculating agent adding port 104, the side walls of the two sedimentation promotion areas 102 are provided with water outlets 105, the water outlets 105 are positioned above the upper ports of the inclined tube array 4, and the height of the water outlets 105 is lower than that of the water inlet 103 and the flocculating agent adding port 104. The stirring mechanism is arranged in the coagulation chamber 101, and specifically, referring to fig. 2, the stirring mechanism includes a driving motor 6, a rotating shaft 7 and a blade 8. Wherein: the driving motor 6 is fixed on a supporting plate 9 above the box body 1. The rotating shaft 7 is positioned in the coagulation chamber 101, and the upper end of the rotating shaft 7 is fixedly connected with the driving motor 6. The paddle 8 is fixed on the rotating shaft 7 to mix the sewage and the flocculant entering the coagulation chamber 101. Other types of stirring mechanisms may also be employed. In use, the flocculant addition port 104 is connected to a flocculant storage tank via a transfer pump, so as to add flocculant to the coagulation chamber 101. When sewage, flocculating agent and the like are uniformly mixed in the coagulation chamber 101 and then enter the sludge hopper 2 below, the flocculating agent is initially settled, then the sewage enters from the bottom end of the inclined tube array 4, flocculating agent particles slowly flow towards the tube wall direction and are settled under the action of the resultant force of water power and gravity, the settled flocculating agent finally slides out from the bottom end of the inclined tube array 4 and enters the sludge hopper 2 for collection, and clear water is discharged from the upper end of the inclined tube array 4 (refer to an arrow in fig. 2). Through the process, further sedimentation of floccules is effectively promoted, and the quality of effluent is improved. And the flocculating constituent accumulated in the sludge hopper 2 can be discharged periodically or irregularly, and is convenient and efficient.

Finally, it should be noted that any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.

Claims

1. A sewage treatment flocculation precipitation device, characterized by comprising: the device comprises a box body, a sludge hopper, a partition plate, an inclined tube array and a stirring mechanism; wherein: the tank body is obliquely arranged, and the sludge hopper is fixedly connected to the lower port of the tank body; the two groups of partition boards are vertically fixed in the inner cavity of the box body at intervals, so that the inner cavity of the box body is divided into three chambers, the middle chamber is used as a coagulation chamber, the chambers on two sides of the middle chamber are used as sedimentation promoting areas, the inclined tube arrays are distributed, and the inclination degree of the inclined tube arrays is the same as that of the box body; the side walls of the coagulation chamber are provided with a water inlet and a flocculating agent adding port, the side walls of the two sedimentation promoting areas are provided with water outlets, the water outlets are positioned above the upper ports of the inclined tube array, and the heights of the water outlets are lower than the water inlet and the flocculating agent adding port; the stirring mechanism is arranged in the coagulation chamber.

2. The wastewater treatment flocculation precipitation device of claim 1, wherein the inclination degree of the tank body and the inclined tube array is 60-75 degrees.

3. The apparatus according to claim 1, wherein the inclined tube array is an array tube group formed by a plurality of square tubes arranged in an inclined manner.

4. The sewage treatment flocculation precipitation device as claimed in claim 1, wherein a lower portion of said sludge hopper is provided with a sludge discharge port.

5. The wastewater treatment flocculation precipitation device according to claim 1, wherein the tank body is fixed on a bracket, and the sludge hopper is in a suspended state.

6. The wastewater treatment flocculation precipitation device according to any one of claims 1-5, wherein said flocculant adding port is connected to a flocculant storage tank by a transfer pump.

7. The wastewater treatment flocculation precipitation device according to any one of claims 1-5, wherein said stirring mechanism comprises a driving motor, a rotating shaft and a paddle; wherein: the driving motor is fixed on the supporting plate above the box body; the rotating shaft is positioned in the coagulation chamber, and the upper end of the rotating shaft is fixedly connected with the driving motor; the paddle is fixed on the rotating shaft.