CN220618647U - Automatic air stripping sludge reflux device of multi-bucket sedimentation tank - Google Patents
Automatic air stripping sludge reflux device of multi-bucket sedimentation tank Download PDFInfo
- Publication number
- CN220618647U CN220618647U CN202322297961.0U CN202322297961U CN220618647U CN 220618647 U CN220618647 U CN 220618647U CN 202322297961 U CN202322297961 U CN 202322297961U CN 220618647 U CN220618647 U CN 220618647U
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- Prior art keywords
- air
- stripping
- gas
- pipes
- liquid separation
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- 239000010802 sludge Substances 0.000 title claims abstract description 29
- 238000010992 reflux Methods 0.000 title claims abstract description 18
- 238000004062 sedimentation Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 210000003437 trachea Anatomy 0.000 claims 3
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses an automatic air stripping sludge reflux device of a multi-bucket sedimentation tank, which comprises a plurality of groups of sludge hoppers and A/O tanks, and also comprises an air-liquid separation tank, wherein the top of the air-liquid separation tank is communicated with an exhaust pipe, the side surface of the bottom of the air-liquid separation tank is connected with air stripping pipes extending into each group of sludge hoppers, the bottom of the air-liquid separation tank is connected with air stripping water pipes extending into each group of A/O tanks, each group of air stripping pipes is respectively communicated with a group of air pipes, the input pipelines of the plurality of groups of air pipes are connected to the air pipes, the input ends of each group of air pipes and the output ends of the air stripping water pipes are respectively provided with a valve, and the valves are automatically controlled by a time controller and circularly operate according to a set period T. According to the utility model, the gas-liquid separation tank is arranged, so that the problem of backflow caused by blockage or insufficient outflow of a rear end pipeline of a conventional gas stripping device can be avoided, gas for gas stripping is completely separated in the gas-liquid separation tank and escapes through the exhaust pipe, and all liquid flows to the rear section, so that the flow is large and the flow speed is uniform.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an automatic air stripping sludge reflux device of a multi-bucket sedimentation tank.
Background
The sludge reflux device is mainly used for extracting the activated sludge deposited in the sedimentation tank and discharging the activated sludge into the aeration tank at the front end, so that the microorganism concentration is increased, and the sewage purification efficiency is improved.
The large vertical flow sedimentation tank is provided with a single mud bucket, so that the problems of uneven mud discharge, mud accumulation and the like are caused, and a plurality of mud buckets are arranged at present. However, the conventional sludge discharge mode of a single pump corresponding to a single sludge hopper has the defects of excessively high investment, more electromechanical equipment, difficult maintenance and the like.
Disclosure of Invention
The utility model aims at: in order to solve the technical problems mentioned in the background art, the automatic air stripping sludge reflux device of the multi-bucket sedimentation tank is provided, the overflow part is not provided with a motor, the device can be used in occasions with high explosion-proof requirements or in which a reflux pump cannot be placed, no wearing parts exist in the use process, the operation and maintenance are simple, and the degree of automation is high.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the automatic air stripping sludge reflux device of the multi-bucket sedimentation tank comprises a plurality of groups of sludge hoppers and A/O tanks, and further comprises an air-liquid separation tank, wherein an exhaust pipe is communicated with the top of the air-liquid separation tank, air stripping pipes extending into each group of sludge hoppers are connected to the side face of the bottom of the air-liquid separation tank, air stripping pipes extending into each group of A/O tanks are connected to the bottom of the air-liquid separation tank, each group of air stripping pipes are respectively communicated with a group of air pipes, input pipelines of the plurality of groups of air pipes are connected to the air pipes, valves are respectively installed on the input ends of the air pipes and the output ends of the air stripping pipes, and are automatically controlled by a time controller and circularly run according to a set period T.
The device is provided with the gas-liquid separation tank, so that the problem of backflow caused by blockage or inadequacy of the pipeline at the rear end of the conventional gas stripping device can be avoided, gas for gas stripping is completely separated in the gas-liquid separation tank and escapes through the exhaust pipe, and the gas flows to the rear section to be liquid, so that the flow is large and the flow velocity is uniform.
As a further description of the above technical solution:
the A/O pool comprises a primary A/O pool and a secondary A/O pool, two output pipelines of the air stripping water pipe are respectively communicated with the two groups of A/O pools, and each output pipeline is provided with an electric valve.
As a further description of the above technical solution:
the mud bucket is provided with four groups, and the air pipe is connected with four tracheal input of group, and four tracheal output of group communicate respectively has a set of gas stripping pipe, and the one end of gas stripping pipe is submerged in the liquid level below in the mud bucket, and the other end of gas stripping pipe is connected with the gas-liquid separation jar.
As a further description of the above technical solution:
electromagnetic valves are respectively arranged on the input pipelines of the four groups of air pipes.
As a further description of the above technical solution:
said four solenoid valves are arranged in a set period T 1 In the interior, each group of electromagnetic valves is opened once, and each opening time is T 1 4, in a set period T of two groups of electric valves 2 In the interior, every group of electric valves are opened once, and every opening time is T 2 /2。
As a further description of the above technical solution:
an exhaust valve is arranged on the exhaust pipe.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the gas-liquid separation tank is arranged, so that the problem of backflow caused by blockage or insufficient outflow of a rear end pipeline of a conventional gas stripping device can be avoided, gas for gas stripping is completely separated in the gas-liquid separation tank and escapes through the exhaust pipe, and all liquid flows to the rear section, so that the flow is large and the flow speed is uniform.
2. The utility model has the advantages that the motor is not arranged in the overcurrent part, the motor can be arranged in occasions with high explosion-proof requirements or in which a reflux pump cannot be arranged, no wearing parts are arranged in the using process, the operation and the maintenance are simple, and the automation degree is high.
Drawings
Fig. 1 shows a schematic structural diagram of an automatic stripping sludge reflux device of a multi-bucket sedimentation tank, which is provided by an embodiment of the utility model.
Legend description:
1. an exhaust pipe; 2. an exhaust valve; 3. a gas-liquid separation tank; 4. a gas stripping water pipe; 5. an output line; 6. an electric valve; 71. a first-level A/O pool; 72. a secondary A/O pool; 8. a mud bucket; 9. a gas stripping tube; 10. an air pipe; 11. an electromagnetic valve; 12. an air tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides an automatic air stripping mud reflux unit of many bucket sedimentation tanks, including gas-liquid separation jar 3 (like phi 300 x 500), four groups of mud bucket 8 (according to fig. 1, from left to right is mud bucket a in proper order, mud bucket B, mud bucket c, mud bucket d), one-level A/O pond 71, second grade A/O pond 72 and the air pipe 12 of being connected with the fan, the output of air pipe 12 is connected with four groups of air pipes 10 that set up side by side (like DN 25), all install solenoid valve 11 on every group of air pipe 10 (according to fig. 1, from bottom to top in proper order solenoid valve a, solenoid valve B, solenoid valve c, solenoid valve d), four groups of air pipe 10's output is connected with four groups of gas-stripping tube 9 respectively (like DN 100), the one end of gas-stripping tube 9 is submerged below the liquid level in mud bucket 8, the other end of gas-stripping tube 9 is connected with gas-liquid separation jar 3, gas-liquid separation jar 3 bottom intercommunication has gas-stripping water pipe 4, gas outlet pipe 4 has two sets of output pipeline 5, all install motorised valve 6 (according to fig. 1, from left to right in proper order, be electric valve a, two sets of output valve 5 have two sets of output valve DN1 respectively, the exhaust valve 1 is connected with two sets of exhaust pipe 5, respectively, the exhaust valve 1 is connected with the top of exhaust valve 1 respectively. The gas-liquid separation tank 3 is arranged, so that the problem of backflow caused by blockage or inadequacy of outflow of a rear end pipeline of a conventional gas stripping device can be avoided, gas for gas stripping is completely separated in the gas-liquid separation tank and escapes through the exhaust pipe 1, and the gas flows to the rear section and is liquid, so that the flow is large and the flow velocity is uniform. And the overcurrent part has no motor, can be arranged in places with high explosion-proof requirements or incapable of placing a reflux pump, has no wearing parts in the use process, and has simple operation and maintenance and high automation degree.
Specifically, the solenoid valves a-d are automatically controlled by a time controller, each time a 1-way valve is opened, the next way is switched after 15 minutes, a period is completed after 1 hour, and the solenoid valves are circularly operated according to the period. Can evenly discharge the sludge of each bucket and avoid the sludge accumulation of the mud bucket. The electric valve A, B is controlled by a time controller, and the electric valve A is opened (the electric valve B is closed) 12 hours before each day, the sludge is returned to the primary A/O tank 71, the electric valve B is opened (the electric valve A is closed) 12 hours after each day, and the sludge is returned to the secondary A/O tank 72.
Working principle: when the electromagnetic valve is used, the electromagnetic valves a to d are sequentially opened through the time controller according to the sequence of every 15min, namely, the electromagnetic valve a is closed after working for 15min, the electromagnetic valve b is opened, the electromagnetic valve c is closed after working for 15min, the electromagnetic valve d is opened, the electromagnetic valve d is closed after working for 15min, and the electromagnetic valve a is opened again; the electric valve A, B is sequentially opened every 12 hours, namely the electric valve A is closed after working for 12 hours, the electric valve B is opened, the electric valve B is closed after working for 12 hours, and the electric valve A is opened again;
the opening and closing of the four groups of electromagnetic valves 11 and the two groups of electric valves 6 are repeatedly circulated according to the interval time, only one group of electromagnetic valves 11 and electric valves 6 work in each circulation, for example, in the working process of the electromagnetic valve a and the electric valve A, a fan charges air into the air stripping pipe 9 through the air pipe 12 and the air pipe 10, sludge flows into the air-liquid separation tank 3 through the air stripping pipe 9, gas is discharged through the exhaust pipe 1 and the exhaust valve 2, and muddy water flows into the primary A/O pool 71 through the air stripping water pipe 4;
in the working process of the electromagnetic valve a and the electric valve B, the fan charges air into the air stripping pipe 9 through the air pipe 12 and the air pipe 10, sludge flows into the air-liquid separation tank 3 through the air stripping pipe 9, gas is discharged through the exhaust pipe 1 and the exhaust valve 2, and mud water flows into the secondary A/O pool 72 through the air stripping water outlet pipe 4.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides an automatic air stripping mud reflux unit of many bucket sedimentation tanks, includes multiunit mud bucket (8) and A/O pond, its characterized in that still includes gas-liquid separation jar (3), gas-liquid separation jar (3) top intercommunication has blast pipe (1), gas-liquid separation jar (3) bottom side is connected with gas stripping pipe (9) that stretch into every group mud bucket (8), gas-liquid separation jar (3) bottom is connected with gas stripping water pipe (4) that stretch into every group A/O pond, every group gas stripping pipe (9) communicate respectively has a set of trachea (10), the input pipeline of multiunit trachea (10) is connected to air pipe (12), all install the valve on the input of every group trachea (10) and the output of gas stripping water pipe (4), the valve is by time controller automatic control, and circulate according to setting for cycle T.
2. The automatic air stripping sludge reflux device of the multi-bucket sedimentation tank according to claim 1, wherein the A/O tank comprises a primary A/O tank (71) and a secondary A/O tank (72), two output pipelines (5) of the air stripping water pipe (4) are respectively communicated with the two groups of A/O tanks, and each output pipeline (5) is provided with an electric valve (6).
3. The automatic air stripping sludge reflux device of the multi-bucket sedimentation tank according to claim 2, wherein four groups of sludge hoppers (8) are arranged, air pipes (12) are connected with the input ends of the four groups of air pipes (10), the output ends of the four groups of air pipes (10) are respectively communicated with a group of air stripping pipes (9), one ends of the air stripping pipes (9) are immersed below the liquid level in the sludge hoppers (8), and the other ends of the air stripping pipes (9) are connected with the gas-liquid separation tank (3).
4. The automatic air stripping sludge reflux device of the multi-bucket sedimentation tank according to claim 3, wherein electromagnetic valves (11) are respectively arranged on the input pipelines of the four groups of air pipes (10).
5. The automatic stripping sludge reflux device of the multi-bucket sedimentation tank of claim 4,characterized in that in a set period T of four groups of electromagnetic valves (11) 1 In each group of electromagnetic valves (11) are opened once, and each opening time is T 1 4, in a set period T of two groups of electric valves (6) 2 In each group of electric valves (6) are opened once, and each opening time is T 2 /2。
6. The automatic air stripping sludge reflux device of the multi-bucket sedimentation tank according to claim 1, wherein the exhaust pipe (1) is provided with an exhaust valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322297961.0U CN220618647U (en) | 2023-08-25 | 2023-08-25 | Automatic air stripping sludge reflux device of multi-bucket sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322297961.0U CN220618647U (en) | 2023-08-25 | 2023-08-25 | Automatic air stripping sludge reflux device of multi-bucket sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220618647U true CN220618647U (en) | 2024-03-19 |
Family
ID=90226600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322297961.0U Active CN220618647U (en) | 2023-08-25 | 2023-08-25 | Automatic air stripping sludge reflux device of multi-bucket sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220618647U (en) |
-
2023
- 2023-08-25 CN CN202322297961.0U patent/CN220618647U/en active Active
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