CN219860890U - Sludge activation system for mine wastewater - Google Patents
Sludge activation system for mine wastewater Download PDFInfo
- Publication number
- CN219860890U CN219860890U CN202320409364.XU CN202320409364U CN219860890U CN 219860890 U CN219860890 U CN 219860890U CN 202320409364 U CN202320409364 U CN 202320409364U CN 219860890 U CN219860890 U CN 219860890U
- Authority
- CN
- China
- Prior art keywords
- tank
- sludge
- wastewater
- sludge activation
- aeration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 108
- 230000004913 activation Effects 0.000 title claims abstract description 65
- 239000002351 wastewater Substances 0.000 title claims abstract description 57
- 238000005273 aeration Methods 0.000 claims abstract description 39
- 238000005189 flocculation Methods 0.000 claims abstract description 29
- 238000001179 sorption measurement Methods 0.000 claims abstract description 29
- 230000016615 flocculation Effects 0.000 claims abstract description 28
- 238000004062 sedimentation Methods 0.000 claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 230000000593 degrading effect Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000005086 pumping Methods 0.000 claims description 10
- 238000005276 aerator Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000013590 bulk material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000003834 intracellular effect Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 208000035404 Autolysis Diseases 0.000 description 2
- 206010057248 Cell death Diseases 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000028043 self proteolysis Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Landscapes
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses a sludge activation system for mine wastewater, which comprises a sludge activation tank, wherein the sludge activation tank is used for degrading mine wastewater after being pumped into the tank; an aeration component is arranged in the bottom of the sludge activation tank; the rotary biological contactor is arranged at the top of the sludge activation tank, forms an integrated structure with the sludge activation tank, and alternately absorbs oxygen and oxidatively decomposes organic matters in the wastewater through wastewater and atmosphere when rotating; the flocculation adsorption tank is connected with the rotary biological contactor and is used for receiving the wastewater overflowed from the rotary biological contactor and carrying out flocculation adsorption reaction on the wastewater in the tank; the sedimentation tank is connected with the flocculation adsorption tank and is used for carrying out solid-liquid separation on the pumped wastewater after flocculation adsorption reaction in the tank; the sedimentation tank is also connected with the sludge activation tank, and part of sludge at the bottom of the sedimentation tank is pumped into the sludge activation tank. The utility model can improve the treatment efficiency of wastewater and reduce the sludge output of the system.
Description
Technical Field
The utility model relates to a sludge activation system for mine wastewater, and belongs to the technical field of mine wastewater treatment.
Background
The mine wastewater treatment technology is simple in that wastewater is purified by various water treatment means, so that harmful substances contained in water bodies are reduced, and the wastewater is discharged from the water bodies which have no pollution to the environment or less influence on the environment. The existing mine wastewater treatment process mainly comprises the following steps: activated sludge process, biological flocculation process, coagulating sedimentation process, and high-load biological adsorption regeneration process; in the process for treating mine wastewater by an activated sludge method, degradation of wastewater by an activated sludge system is mainly performed in an aeration tank, but the treatment efficiency of wastewater is difficult to improve only by an aeration means.
Disclosure of Invention
The utility model aims to provide a sludge activation system for mine wastewater, which solves the problem that the treatment efficiency is difficult to improve only by an aeration means when the mine wastewater is treated by the existing activated sludge method in the background art.
The technical scheme adopted by the utility model is as follows:
a sludge activation system for mine wastewater, comprising:
the sludge activation tank is used for degrading mine wastewater after being pumped into the tank; an aeration component is arranged in the bottom of the sludge activation tank;
the rotary biological contactor (also called a biological rotating disc, is of an integral structure and belongs to the prior art) is arranged at the top of the sludge activation tank and forms an integral structure with the sludge activation tank, and the rotary biological contactor alternately absorbs oxygen and oxidizes and decomposes organic matters in the wastewater through the wastewater and the atmosphere when rotating;
the flocculation adsorption tank is connected with the rotary biological contactor and is used for receiving the wastewater overflowed from the rotary biological contactor and carrying out flocculation adsorption reaction on the wastewater in the tank;
the sedimentation tank is connected with the flocculation adsorption tank and is used for carrying out solid-liquid separation on the pumped wastewater after flocculation adsorption reaction in the tank;
the sedimentation tank is also connected with the sludge activation tank, and part of sludge at the bottom of the sedimentation tank is pumped into the sludge activation tank.
As a preferred aspect of the present utility model, the aeration assembly includes:
the aeration pipes are arranged at the bottom of the sludge activation tank in parallel and horizontally, and a plurality of aerators are uniformly arranged on the aeration pipes;
and the aeration pump is connected with a plurality of aeration pipes through pipelines and is used for supplying air to the aeration pipes and exposing the air through the aerator.
As a preferred aspect of the present utility model, a bulk material grid is installed in the sludge activation tank above the aeration assembly.
Preferably, a stirring device is further provided in the flocculation adsorption tank.
As one preferable aspect of the present utility model, the sludge activation system further includes a water inlet pump, a transfer pump, and a sludge pump; wherein,,
the water inlet pump is used for pumping the mine waste water into the sludge activation tank;
the transfer pump is used for pumping the wastewater subjected to flocculation adsorption reaction in the flocculation adsorption tank into the sedimentation tank;
the sludge pump is used for pumping out the sludge deposited in the sedimentation tank, wherein a part of sludge is pumped into the sludge activation tank, and the rest sludge is pumped into the sludge treatment unit.
As one preferable mode of the utility model, the sludge activation system further comprises an ultrasonic assembly, wherein the ultrasonic assembly comprises an ultrasonic generator, an ultrasonic transducer and a plurality of ultrasonic vibration bars, the ultrasonic transducer is connected with the ultrasonic generator, the ultrasonic vibration bars are connected with the ultrasonic transducer, a plurality of interfaces for installing the ultrasonic vibration bars are arranged on a return pipeline between an outlet of the sludge pump and the sludge activation tank, and the ultrasonic vibration bars are arranged on the corresponding interfaces and are inserted into the return pipeline.
The utility model has the beneficial effects that:
by arranging the aeration assembly in the sludge activation tank, oxygen is generated and promoted to be effectively contacted with water through the aeration assembly, oxygen is provided under the condition that the biological oxidation continuously consumes the oxygen, and a certain dissolved oxygen concentration in the water is maintained; besides oxygen supply, the method can generate enough stirring and mixing effects in the sludge activation tank to promote the circulation flow of water, so that the activated sludge is fully contacted and mixed with the wastewater, and a certain movement speed of the mixed solution is maintained, so that the activated sludge is always kept in a suspension state in the mixed solution;
the rotary biological contactor is arranged at the top of the sludge activation tank to form an integrated structure, so that the height of the overflow port is higher than the bottom end of the upper disc of the rotary biological contactor and lower than the top end of the disc, and then the rotary biological contactor can alternately absorb oxygen and oxidatively decompose organic matters in the wastewater through the wastewater and the atmosphere when rotating, and the treatment efficiency and the effect can be improved;
through setting up ultrasonic assembly on activated sludge return conduit, utilize the ultrasonic wave to carry out the breakage to the biological cell that carries in the return sludge, release the intracellular material after the cell breakage, can regard as the self-produced substrate to supply microorganism to grow, reproduce (recessive growth) after flowing back to in the sludge activation pond, can promote the degradability to waste water to the mud output of system has been reduced.
Drawings
FIG. 1 is a schematic diagram of an apparatus of the present utility model;
FIG. 2 is a schematic illustration of the connection of an ultrasonic assembly;
the main reference numerals in the figures have the following meanings:
1. the device comprises a water inlet pump, a sludge activation tank, a rotary biological contactor, a flocculation adsorption tank, a rotary biological contactor, a sedimentation tank, a sludge pump, an aeration assembly, an aeration pump, an aeration pipe, an aeration device, an aeration tank, an stirring device, an ultrasonic assembly, an ultrasonic generator, an ultrasonic energy converter, an ultrasonic vibration rod and a bulk grating.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
As shown in fig. 1-2: the embodiment is a sludge activation system for mine wastewater, which comprises a water inlet pump 1, a transfer pump 5 and a sludge pump 7; a sludge activation tank 2, a rotary biological contactor 3, a flocculation adsorption tank 4 and a sedimentation tank 6.
The water inlet pump 1 is used for pumping mine waste water into the sludge activation tank 2, and the mine waste water is biodegraded after being pumped into the tank; an aeration component 8 is arranged in the bottom of the sludge activation tank 2; the aeration assembly 8 comprises an aeration pump 9 and a plurality of aeration pipes 10, the aeration pipes 10 are arranged in parallel and horizontally at the bottom of the sludge activation tank 2, and a plurality of aerators 11 are uniformly arranged on the aeration pipes 10; the aeration pipe 10 is connected with a plurality of aeration pipes 10 through pipelines for supplying air to the aeration pipe 10 and exposing through an aerator 11; the aeration assembly 8 is of the prior art, and its specific structure and working principle will not be described here in detail.
In practical application, microorganisms (known in the prior art and not described in detail) may be present in the sludge activation tank 2; oxygen is generated and is effectively contacted with water through the aeration component 8, oxygen is provided under the condition that the biological oxidation continuously consumes the oxygen, and a certain dissolved oxygen concentration in the water is maintained; besides oxygen supply, the device can generate enough stirring and mixing effects in the sludge activation tank 2 to promote the circulation flow of water, so that the activated sludge is fully contacted and mixed with the wastewater, and a certain movement speed of the mixed solution is maintained, so that the activated sludge is always kept in a suspension state in the mixed solution.
The rotary biological contactor 3 (also called a biological disc) is arranged at the top of the sludge activation tank 2 and forms an integrated structure with the sludge activation tank 2, and the rotary biological contactor 3 is in the prior art, and the structure thereof is not specifically described herein; in practical application, an overflow port is arranged at one end of the rotary biological contactor 3, and the height of the overflow port is higher than the bottom end of a disc on the rotary biological contactor 3 and lower than the top end of the disc; the liquid level in the integral structure can then be led to overflow the bottom end of the disc, so that the disc can alternately absorb oxygen and oxidatively decompose organic matters in the wastewater through the wastewater and the atmosphere when the rotary biological contactor 3 rotates, and the treatment efficiency can be improved.
The overflow port of the rotary biological contactor 3 is connected with the flocculation adsorption tank 4 through a pipeline, the wastewater overflowed from the rotary biological contactor 3 is reserved in the flocculation adsorption tank 4, the flocculant is stored in the flocculant tank 12, and the wastewater can be subjected to flocculation adsorption reaction in the tank by adding the flocculant into the flocculation adsorption tank 4; in order to disperse the flocculant in the wastewater sufficiently, a stirring device 13 is further provided in the flocculation adsorption tank 4.
The transfer pump 5 is used for pumping the wastewater subjected to flocculation adsorption reaction in the flocculation adsorption tank 4 into the sedimentation tank 6, and the pumped wastewater subjected to flocculation adsorption reaction is subjected to solid-liquid separation in the sedimentation tank 6; the sedimentation tank 6 is also connected with the sludge activation tank 2, the sludge pump 7 is used for pumping out the sludge pump 7 deposited in the sedimentation tank 6, wherein a part of sludge is pumped into the sludge activation tank 2, and in the practical application, in order to facilitate the dispersion of the back-flowing activated sludge, the back-flow pipe can horizontally extend into the sludge activation tank 2, and a bulk material grid 18 can be arranged in the sludge activation tank 2 above the aeration component 8; pumping the rest sludge to a sludge treatment unit for treatment; the treated water on the upper layer of the sedimentation tank 6 overflows and is discharged after filtration and disinfection.
In order to reduce the sludge yield of the system, an ultrasonic assembly 14 is also arranged in the sludge activation system, as shown in fig. 2, the ultrasonic assembly 14 comprises an ultrasonic generator 15, an ultrasonic transducer 16 and a plurality of ultrasonic vibration bars 17, the ultrasonic transducer 16 is connected with the ultrasonic generator 15, the ultrasonic vibration bars 17 are connected with the ultrasonic transducer 16, a plurality of adaptive interfaces for installing the ultrasonic vibration bars 17 are arranged on a return pipeline between the outlet of the sludge pump 7 and the sludge activation tank 2, and the ultrasonic vibration bars 17 can be arranged in a dispersing way so as to improve the effect; the ultrasonic vibration rod 17 is arranged on the corresponding interface and is inserted into the reflux pipeline; the ultrasonic vibration rod 17 and the interface can be set according to the ultrasonic vibration rod 17 selected in the initial practice, and can be in flange connection.
The ultrasonic assembly 14 allows the sludge to be subjected to the action of ultrasonic waves in the process of backflow, and as the sludge flocs are broken into smaller flocs, the specific surface area of the sludge is increased, which increases the probability of the sludge flocs contacting oxygen, accelerates the oxidation process of cells, and thus autolysis occurs, intracellular substances are released after autolysis, and the intracellular released COD is reused by microorganisms, i.e. after backflow into the sludge activation tank 2, the intracellular released COD serves as a self-produced substrate for microorganism growth and propagation (i.e. hidden growth is generated), and the degradation capacity of the wastewater can be improved, thereby reducing the sludge yield of the system.
The foregoing is merely illustrative of the preferred embodiments of this utility model, and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of this utility model, and such variations and modifications are to be regarded as being within the scope of this utility model.
Claims (6)
1. A sludge activation system for mine wastewater, comprising:
the sludge activation tank is used for degrading mine wastewater after being pumped into the tank; an aeration component is arranged in the bottom of the sludge activation tank;
the rotary biological contactor is arranged at the top of the sludge activation tank, forms an integrated structure with the sludge activation tank, and alternately absorbs oxygen and oxidatively decomposes organic matters in the wastewater through wastewater and atmosphere when rotating;
the flocculation adsorption tank is connected with the rotary biological contactor and is used for receiving the wastewater overflowed from the rotary biological contactor and carrying out flocculation adsorption reaction on the wastewater in the tank;
the sedimentation tank is connected with the flocculation adsorption tank and is used for carrying out solid-liquid separation on the pumped wastewater after flocculation adsorption reaction in the tank;
the sedimentation tank is also connected with the sludge activation tank, and part of sludge at the bottom of the sedimentation tank is pumped into the sludge activation tank.
2. A sludge activation system for mine wastewater as claimed in claim 1 wherein said aeration assembly comprises:
the aeration pipes are arranged at the bottom of the sludge activation tank in parallel and horizontally, and a plurality of aerators are uniformly arranged on the aeration pipes;
and the aeration pump is connected with a plurality of aeration pipes through pipelines and is used for supplying air to the aeration pipes and exposing the air through the aerator.
3. A sludge activation system for mine wastewater as claimed in claim 1 wherein a bulk material grid is installed in the sludge activation tank above the aeration assembly.
4. The sludge activation system for mine wastewater as claimed in claim 1, wherein a stirring device is further provided in the flocculation adsorption tank.
5. The sludge activation system for mine wastewater of claim 1, further comprising a water inlet pump, a transfer pump and a sludge pump; wherein,,
the water inlet pump is used for pumping the mine waste water into the sludge activation tank;
the transfer pump is used for pumping the wastewater subjected to flocculation adsorption reaction in the flocculation adsorption tank into the sedimentation tank;
the sludge pump is used for pumping out the sludge deposited in the sedimentation tank, wherein a part of sludge is pumped into the sludge activation tank, and the rest sludge is pumped into the sludge treatment unit.
6. The sludge activation system of mine wastewater as claimed in claim 5, wherein the sludge activation system further comprises an ultrasonic assembly, the ultrasonic assembly comprises an ultrasonic generator, an ultrasonic transducer and a plurality of ultrasonic vibration bars, the ultrasonic transducer is connected with the ultrasonic generator, the ultrasonic vibration bars are connected with the ultrasonic transducer, a plurality of interfaces for installing the ultrasonic vibration bars are arranged on a return pipeline between an outlet of the sludge pump and the sludge activation tank, and the ultrasonic vibration bars are arranged on the corresponding interfaces and inserted into the return pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320409364.XU CN219860890U (en) | 2023-03-07 | 2023-03-07 | Sludge activation system for mine wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320409364.XU CN219860890U (en) | 2023-03-07 | 2023-03-07 | Sludge activation system for mine wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219860890U true CN219860890U (en) | 2023-10-20 |
Family
ID=88339076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320409364.XU Active CN219860890U (en) | 2023-03-07 | 2023-03-07 | Sludge activation system for mine wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219860890U (en) |
-
2023
- 2023-03-07 CN CN202320409364.XU patent/CN219860890U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101376553A (en) | Method for processing low temperature sewerage using low-intensity ultrasonic strengthened membrane bioreactor | |
| CN111925064A (en) | Treatment process method of oily wastewater of metal cutting fluid | |
| CN103708606B (en) | A kind of pulse energy saving formula MBR method and apparatus | |
| CN103043852A (en) | Wastewater treatment process and device | |
| CN102153195A (en) | Novel up-flow anaerobic sludge blanket for treating wastewater of pig farm | |
| CN202038943U (en) | Anaerobic ammonium oxidation, methanation and denitrification UASB (upflow anaerobic sludge blanket) device | |
| CN201154936Y (en) | Integrated Membrane Biological Fluidized Bed Sewage Treatment Plant | |
| CN103641268B (en) | Two-stage biological reactor for treatment percolate instrument and supplies | |
| CN1769211A (en) | An integrated bioreactor for treating landfill leachate | |
| CN219860890U (en) | Sludge activation system for mine wastewater | |
| JP3641700B2 (en) | Water quality improvement system for closed water areas | |
| CN111252994A (en) | Domestic fungus wastewater treatment method | |
| CN207632598U (en) | Activated sludge wastewater processing equipment | |
| CN111268870A (en) | Integration MBR membrane sewage treatment device | |
| CN217600568U (en) | Treatment system for areca nut processing wastewater | |
| CN216614173U (en) | Sludge reduction reactor for aquaculture wastewater treatment | |
| CN110498574A (en) | A kind of refractory biodegradable organic wastewater treatment equipment and treatment method | |
| CN110342634A (en) | The micro- oxygen sludge bed process of membrane aeration biomembrane and its wastewater treatment method | |
| CN211814018U (en) | Integrated circulating bed bio-membrane reactor | |
| CN211470943U (en) | Biological carrier enhanced reaction device for high-concentration organic wastewater treatment | |
| CN211255632U (en) | Sewage treatment integration system suitable for rural area | |
| CN203373197U (en) | Domestic sewage treatment device | |
| CN105084539B (en) | Method and device for treating sewage in low-temperature area by ultrasonic membrane module | |
| CN105174439A (en) | Air stripping coupled bioreactor and sewage treatment method | |
| CN111499123A (en) | Tank type biological deep purification device for sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |