CN219110901U

CN219110901U - Mud storage pond for strengthening sludge dewatering effect

Info

Publication number: CN219110901U
Application number: CN202223411412.3U
Authority: CN
Inventors: 吴锡涛; 王楚佳; 廖茂荫; 蔡梓枫; 邓小红; 黄冠平; 严兴; 霍颖怡
Original assignee: Guangzhou Sewage Purification Co ltd
Current assignee: Guangzhou Sewage Purification Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-02
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to a mud storage pool for strengthening the dehydration effect of mud, which comprises a pool body, wherein a liquid inlet pipe is arranged at the top of the pool body, and a liquid outlet pipe is arranged on the side surface of the pool body; the liquid inlet pipe is connected with a mixing device, and the mixing device is provided with a medicine inlet and a liquid inlet; the liquid outlet pipe is provided with an opening and closing device for controlling the opening and closing of the liquid outlet pipe. The opening and closing means may be a gate or a valve. The flocculant and the sludge liquid are uniformly mixed before entering the tank body, and the mixed liquid can quickly lead the sludge to be coagulated and flocculated after entering the tank body, so that a sludge sedimentation block is formed to be sedimented to the bottom of the tank body, and the water content is lower due to the sludge coagulation effect of the formed sedimentation block, thereby improving the sedimentation efficiency and sedimentation effect of the sludge, and leading the dehydration effect of the sludge to be better.

Description

Mud storage pond for strengthening sludge dewatering effect

Technical Field

The utility model relates to the field of sewage treatment, in particular to a sludge storage tank for strengthening the sludge dewatering effect.

Background

At present, most of sludge drying and reducing technologies of water purification plants utilize a sludge storage pool for buffering to reduce the water content of sludge. The sludge storage tank is a device for rapidly precipitating residual sludge in sewage into sludge, and is widely used in the field of sewage treatment; the existing mud storage pond comprises a sedimentation pond and a sewage discharging mechanism, wherein the sedimentation pond is provided with a working cavity, a feed inlet is formed in the top end of the working cavity in a communicated mode, a liquid inlet pipe and a liquid discharge pipe are respectively arranged in the left end and the right end of the working cavity in a communicated mode, a mud discharge pipe is arranged in the bottom end of the working cavity in a communicated mode, and precipitated mud is discharged through the mud discharge pipe.

The chemical agent is added into the mud storage tank through the feeding port, the mud liquid enters the mud storage tank through the liquid inlet pipe, after the chemical agent and the mud liquid are mixed in the mud storage tank, the mud forms a flocculating block in the mud storage tank so as to be deposited at the bottom of the mud storage tank, and the supernatant is on the mud and can be discharged through the liquid discharge pipe. However, the sludge and the medicament are unevenly mixed or even not mixed, so that the sludge in the tank is only precipitated by self gravity to reduce the water content of the sludge, the consumed time is long, the sludge precipitation effect is poor, and the purpose of effectively pre-dehydrating the sludge is difficult to achieve

Disclosure of Invention

The utility model provides a sludge storage tank for strengthening the sludge dewatering effect, which aims to solve the problems of low efficiency and poor effect of the sludge storage tank in the prior art, and improves the speed and the sedimentation effect of sludge sedimentation.

In order to solve the technical problems, the utility model adopts the following technical scheme: the mud storage pool for strengthening the mud dewatering effect comprises a pool body, wherein a liquid inlet pipe is arranged at the top of the pool body, and a liquid outlet pipe is arranged on the side surface of the pool body; the liquid inlet pipe is connected with a mixing device, and the mixing device is provided with a medicine inlet and a liquid inlet; and an opening and closing device for controlling the opening and closing of the liquid outlet pipe is arranged on the liquid outlet pipe. The opening and closing means may be a gate or a valve.

In the above technical scheme, the sludge liquid containing the sludge and the medicament are mixed in the mixing device and then are put into the tank body, wherein the medicament is a flocculating agent, the flocculating agent and the sludge are uniformly mixed in the mixing device and then are put into the tank body, so that the time required by the flocculation and the flocculation of the sludge can be shortened, the flocculation effect is improved, the sludge entering the tank body can be regarded as one-by-one coagulated particle under the action of the flocculating agent, and all the coagulated particles are continuously combined with surrounding coagulated particles or the sludge to form a large sedimentation block to be precipitated to the bottom of the tank. If the sludge and the flocculant are not uniformly mixed first, only the sludge contacted or mixed with the flocculant forms coagulated particles and gradually forms precipitation blocks, and the quantity of the coagulated particles is small, so that the sludge precipitation efficiency and the precipitation effect are not good.

Preferably, the mixing device is a pipeline mixer, one end of the pipeline mixer is a liquid inlet, the other side of the pipeline mixer is connected with a liquid inlet pipe, and the medicine inlet is arranged on the side wall of the pipeline mixer. The pipeline mixer is static mixing, the medicine inlet is arranged at one end close to the liquid inlet, and even mixing can be realized after the medicine and the sludge liquid flow through the pipeline mixed liquid without a power device.

Preferably, the liquid inlet pipe is communicated to one end of the tank body, an adapter part is arranged at one end of the tank body, and a shunt pipe is arranged on the adapter part. The medicament and the sludge liquid enter the shunt tube after being evenly mixed through the switching part, and the tail end of the shunt tube faces different positions in the tank body, so that the mixed liquid of the medicament and the sludge liquid can flow to different positions of the tank body, and a precipitation block is formed at multiple positions in the tank body at the same time, thereby accelerating the formation efficiency of the precipitation block.

Preferably, the switching part is a three-dimensional four-way joint, and the shunt tubes are provided with three shunt tubes which are respectively connected to the switching part. One of the interfaces of the three-dimensional four-way joint is connected with the liquid inlet pipe, the other three interfaces are connected with the shunt pipe, and the mixed liquid of the medicament in the shunt pipe and the sewage flows to three directions. The three-dimensional four-way joint is an existing pipe joint, and is convenient and easy to obtain.

Preferably, a 45-degree elbow is arranged at the tail end of the shunt tube, and the other end of the 45-degree elbow is connected with an extension tube. The elbow can form 135 degrees obtuse angles between extension pipe and shunt tubes, let the length of shunt tubes not too long also can let the position of the mixed solution of medicament and sewage liquid far away from the center of feed liquor pipe, reduce the volume of shunt tubes also and avoid the mixed solution to flow from the shunt tubes back again and converge again.

Preferably, the liquid inlet pipe is positioned at the center of the top of the mud storage tank. The mixed liquid flowing out of the extension pipe is distributed at equal intervals in the center of the mud storage tank, and the process of forming the sedimentation blocks is that the center formed by three sedimentation blocks is formed from the outer edge and gradually evolves towards the center of the tank body, so that the larger range of the tank body is covered, and more mud can be precipitated to the bottom of the tank body.

Preferably, the opening and closing device is a gate and a gate opening machine for driving the gate to open and close, the gate opening machine is arranged at the top of the mud storage pool, and the gate is used for opening or closing the liquid outlet pipe. The gate is opened or closed by using the gate opening machine, wherein the gate opening machine can be manual or automatic, and the gate is an upper-opening type gate or a lower-opening type gate, and comprises a gate plate and a gate frame.

Preferably, a liquid level sensor is arranged in the tank body, and the gate opening machine is an electric gate opening machine. When the liquid level of the supernatant exceeds the preset liquid level, the gate opening machine is started, the gate is opened, and the supernatant flows out of the liquid outlet pipe.

Preferably, the liquid outlet pipe is connected with a flowmeter. The flow meter can obtain the outflow of the supernatant.

Preferably, the specification of the liquid outlet pipe is DN400. The DN400 has large pipe caliber, and is more convenient for the outflow of the supernatant.

Compared with the prior art, the utility model has the beneficial effects that: the flocculant and the sludge liquid are uniformly mixed before entering the tank body, and the mixed liquid can quickly lead the sludge to be coagulated and flocculated after entering the tank body, so that a sludge sedimentation block is formed to be sedimented to the bottom of the tank body, and the water content is lower due to the sludge coagulation effect of the formed sedimentation block, thereby improving the sedimentation efficiency and sedimentation effect of the sludge, and leading the dehydration effect of the sludge to be better.

Drawings

Fig. 1 is a schematic view of a sludge reservoir for enhancing a sludge dewatering effect according to embodiments 1 and 2;

fig. 2 is a schematic structural view of the adapter, the shunt, and the extension tube of embodiment 2;

FIG. 3 is a schematic view of a sludge reservoir for enhancing the sludge dewatering effect in example 3;

fig. 4 is a schematic structural view of an opening/closing device according to embodiment 3.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

An embodiment 1 of a sludge storage pool for strengthening the sludge dewatering effect is shown in fig. 1, and comprises a pool body 1, wherein a liquid inlet pipe 2 is arranged at the top of the pool body 1, and a liquid outlet pipe 3 is arranged on the side surface of the pool body 1; the liquid inlet pipe 2 is connected with a mixing device 4, and the mixing device 4 is provided with a medicine inlet 401 and a liquid inlet 402; an opening and closing device 5 for controlling the opening and closing of the liquid outlet pipe 3 is arranged on the tank body 1 or the liquid outlet pipe 3. The opening/closing device 5 is a shutter 501 attached to the cell body 1.

Wherein, mixing arrangement 4 is the pipeline blender, and the one end of pipeline blender is inlet 402, and the opposite side is connected with feed liquor pipe 2, and inlet 401 sets up on the lateral wall of pipeline blender. The pipeline mixer is static mixing, and the medicine inlet 401 is arranged at one end close to the liquid inlet 402, so that even mixing can be realized after the medicine and the sludge liquid flow through the pipeline mixed liquid, and a power device is not needed.

The working principle or working flow of the utility model is as follows: the sludge liquid containing the sludge and the medicament are mixed in the mixing device 4 and then are put into the tank body 1, wherein the medicament is a flocculating agent, the flocculating agent and the sludge can be mixed uniformly in the mixing device 4 and then the time required by the flocculation of the sludge can be shortened and the flocculation effect can be improved in the tank body 1, the sludge entering the tank body 1 can be regarded as one-by-one coagulated particle under the action of the flocculating agent, and all the coagulated particles are continuously combined with surrounding coagulated particles or the sludge to form a large sedimentation block to be sedimented to the bottom of the tank.

The beneficial effects of this embodiment are: the flocculant and the sludge liquid are uniformly mixed before entering the tank body 1, and the mixed liquid can be quickly coagulated and flocculated to form a sludge precipitation block to be precipitated to the bottom of the tank body 1 after entering the tank body 1, and the water content is lower due to the sludge coagulation effect of the formed precipitation block, so that the precipitation efficiency and precipitation effect of the sludge are improved, and the dehydration effect of the sludge is better.

Example 2

An embodiment 2 of a sludge storage pool for strengthening the sludge dewatering effect comprises a pool body 1, wherein a liquid inlet pipe 2 is arranged at the top of the pool body 1, and a liquid outlet pipe 3 is arranged on the side surface of the pool body 1; the liquid inlet pipe 2 is connected with a mixing device 4, and the mixing device 4 is provided with a medicine inlet 401 and a liquid inlet 402; an opening and closing device 5 for controlling the opening and closing of the liquid outlet pipe 3 is arranged on the tank body 1 or the liquid outlet pipe 3. The opening/closing device 5 is a shutter 501 attached to the cell body 1.

Specifically, the switching portion 6 is installed to the one end that feed liquor pipe 2 linked together to cell body 1, is equipped with shunt tubes 7 on the switching portion 6, and 45 degree elbow 8 is installed to the end of shunt tubes 7, and the other end of 45 degree elbow 8 is connected with extension pipe 9.

In this embodiment, the adapter 6 is a three-dimensional four-way joint, and the shunt tubes 7 are respectively connected to the adapter 6.

The working principle or workflow of the present embodiment: the sludge liquid containing the sludge and the medicament are mixed in the pipeline mixer to form mixed liquid, the mixed liquid is split into three split pipes 7 after passing through the liquid inlet pipe 2, and then flows out from the extension pipe 9, and the outflow points of the mixed liquid are positioned at three positions equidistant from the center of the tank body 1. The flocculant and the sludge are uniformly mixed in the mixing device 4, and then the time required by the flocculation and the flocculation of the sludge can be shortened and the flocculation effect can be improved in the tank body 1, the sludge entering the tank body 1 can be regarded as one-by-one coagulated particle under the action of the flocculant, and all the coagulated particles are continuously combined with surrounding coagulated particles or the sludge and gradually spread to the center of the tank body 1, so that large precipitation blocks gradually formed are precipitated to the bottom of the tank.

The beneficial effects of this embodiment are: the flocculant and the sludge liquid are uniformly mixed before entering the tank body 1, and the mixed liquid can be quickly coagulated and flocculated to form a sludge precipitation block to be precipitated to the bottom of the tank body 1 after entering the tank body 1, and the formed precipitation block has better sludge coagulation effect, lower water content, thereby improving the precipitation efficiency and precipitation effect of the sludge and better dehydration effect of the sludge. And the mixed solution is dispersed and put into the tank body 1, so that the precipitation efficiency of the sludge is also improved.

Example 3

An embodiment 3 of a sludge storage pool for strengthening the sludge dewatering effect comprises a pool body 1, wherein a liquid inlet pipe 2 is arranged at the top of the pool body 1, and a liquid outlet pipe 3 is arranged on the side surface of the pool body 1; the liquid inlet pipe 2 is connected with a mixing device 4, and the mixing device 4 is provided with a medicine inlet 401 and a liquid inlet 402; an opening and closing device 5 for controlling the opening and closing of the liquid outlet pipe 3 is arranged on the tank body 1 or the liquid outlet pipe 3. The opening/closing device 5 is a shutter 501 attached to the liquid outlet pipe 3.

Specifically, the opening and closing device 5 includes a gate 501 and a gate opener 502 for driving the gate 501 to open and close, the gate opener 502 is installed on the top of the mud storage tank, and the gate 501 is used for opening or closing the liquid outlet pipe 3. The gate 501 is opened or closed by using the gate opening machine 502, wherein the gate opening machine 502 is in an automatic mode and comprises a mounting seat 5021, a motor 5022 and a screw rod 5023, wherein the motor 5022 is mounted on the mounting seat 5021, and the screw rod 5023 is driven to move up and down by the motor 5022. The gate 501 is a lower open gate 501 including a gate plate 5011 and a door frame 5012. The restrictor plate 5011 is connected with one end of the screw rod 5023, and the door frame 5012 is connected with the pipe orifice of the liquid outlet pipe 3.

Further, the tank body 1 is internally provided with two liquid level sensors 101, the two liquid level sensors 101 are respectively positioned at a high liquid level position and a low liquid level position, when the liquid level sensor 101 at the high liquid level position is triggered, the gate opening machine 502 is started, the gate 501 is opened, and the supernatant flows out of the liquid outlet pipe 3. When the low level sensor 101 is triggered, the shutter 502 is moved in the opposite direction and the shutter 501 is closed. The liquid level sensor 101 controls the start, stop and steering of the gate 502 through an electric signal.

Further, a flowmeter 301 is connected to the liquid outlet pipe 3. The flow meter 301 can automatically count the outflow of the supernatant.

In this embodiment, the specification of the liquid outlet pipe 3 is DN400. The DN400 has large pipe caliber, and is more convenient for the outflow of the supernatant.

The working principle or working process of the embodiment: the sludge liquid containing the sludge and the medicament are mixed in the pipeline mixer to form mixed liquid, the mixed liquid is split into three split pipes 7 after passing through the liquid inlet pipe 2, and then flows out from the extension pipe 9, and the outflow points of the mixed liquid are positioned at three positions equidistant from the center of the tank body 1. The flocculant and the sludge are uniformly mixed in the mixing device 4, and then the time required by the flocculation and the flocculation of the sludge can be shortened and the flocculation effect can be improved in the tank body 1, the sludge entering the tank body 1 can be regarded as one-by-one coagulated particle under the action of the flocculant, and all the coagulated particles are continuously combined with surrounding coagulated particles or the sludge and gradually spread to the center of the tank body 1, so that large precipitation blocks gradually formed are precipitated to the bottom of the tank. When the liquid level in the tank body 1 is higher than or equal to the liquid level sensor 101 with the high liquid level, the gate opening machine 502 is started, the gate 501 is opened, and the supernatant flows out of the liquid outlet pipe 3. When the low level sensor 101 is triggered, the shutter 502 is moved in the opposite direction and the shutter 501 is closed. The liquid level sensor 101 controls the start, stop and steering of the gate 502 through an electric signal.

The beneficial effects of this embodiment are: the flocculant and the sludge liquid are uniformly mixed before entering the tank body 1, and the mixed liquid can be quickly coagulated and flocculated to form a sludge precipitation block to be precipitated to the bottom of the tank body 1 after entering the tank body 1, and the formed precipitation block has better sludge coagulation effect, lower water content, thereby improving the precipitation efficiency and precipitation effect of the sludge and better dehydration effect of the sludge. And the mixed solution is dispersed and put into the tank body 1, so that the precipitation efficiency of the sludge is also improved. The gate 501 is controlled to open or close by liquid level feedback, so that the supernatant is discharged more accurately.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The mud storage pool for strengthening the mud dewatering effect comprises a pool body (1), and is characterized in that a liquid inlet pipe (2) is arranged at the top of the pool body (1), and a liquid outlet pipe (3) is arranged on the side surface of the pool body (1); the liquid inlet pipe (2) is connected with a mixing device (4), and the mixing device (4) is provided with a medicine inlet (401) and a liquid inlet (402); an opening and closing device (5) for controlling the opening and closing of the liquid outlet pipe (3) is arranged on the liquid outlet pipe (3).

2. The sludge storage pond for strengthening the sludge dewatering effect according to claim 1, wherein the mixing device (4) is a pipeline mixer, one end of the pipeline mixer is a liquid inlet (402), the other end of the pipeline mixer is connected with the liquid inlet pipe (2), and the liquid inlet (401) is arranged on the side wall of the pipeline mixer.

3. The sludge storage pond for strengthening the sludge dewatering effect according to claim 1, wherein the liquid inlet pipe (2) is communicated to one end of the pond body (1), an adapter part (6) is arranged at one end of the pond body, and a shunt pipe (7) is arranged on the adapter part (6).

4. A sludge storage pond for strengthening sludge dewatering effect according to claim 3, characterized in that the transfer part (6) is a three-dimensional four-way joint, and the shunt pipes (7) are respectively connected to the transfer part (6).

5. The sludge storage pool for strengthening the sludge dewatering effect according to claim 4, wherein a 45-degree elbow (8) is arranged at the tail end of the shunt tube (7), and an extension tube (9) is connected to the other end of the 45-degree elbow (8).

6. A sludge storage pond for enhancing a sludge dewatering effect as claimed in claim 5, wherein the inlet pipe (2) is located at the center of the top of the sludge storage pond.

7. The sludge storage pond for strengthening the sludge dewatering effect according to any one of claims 1 to 6, wherein the opening and closing device (5) comprises a gate (501) and a gate opening machine (502) for driving the gate (501) to open and close, the gate opening machine (502) is installed at the top of the sludge storage pond, and the gate (501) is installed on the liquid outlet pipe (3) for opening or closing the liquid outlet pipe (3).

8. The sludge storage pond for strengthening the sludge dewatering effect according to claim 7, wherein a liquid level sensor (101) is arranged in the pond body (1), and the gate opening machine (502) is an electric gate opening machine (502).

9. A sludge storage pond for enhancing a sludge dewatering effect as claimed in claim 8, wherein the outlet pipe (3) is connected with a flow meter (301).

10. A sludge storage pond for enhancing a sludge dewatering effect as claimed in claim 7, wherein the specification of the liquid outlet pipe (3) is DN400.