CN214654361U - Device for reinforcing sludge source decrement - Google Patents
Device for reinforcing sludge source decrement Download PDFInfo
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- CN214654361U CN214654361U CN202120178871.8U CN202120178871U CN214654361U CN 214654361 U CN214654361 U CN 214654361U CN 202120178871 U CN202120178871 U CN 202120178871U CN 214654361 U CN214654361 U CN 214654361U
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Abstract
The utility model discloses a device for strengthening sludge source reduction, which comprises a sedimentation tank, an ultrasonic treatment tank, an anaerobic reaction tank and an aerobic reaction tank; the sludge outlet end of the sedimentation tank is communicated with the sludge inlet end of the ultrasonic treatment tank, the sludge outlet end of the ultrasonic treatment tank is communicated with the sludge inlet end of the anaerobic reaction tank, the sludge outlet end of the anaerobic reaction tank is communicated with the sludge inlet end of the aerobic reaction tank, and the sludge outlet end of the aerobic reaction tank is communicated with the sludge inlet end of the sedimentation tank; a heater is arranged in the anaerobic reaction tank and used for maintaining the interior of the anaerobic reaction tank at a preset temperature; therefore, the sludge is pretreated by ultrasonic waves and then sent into the anaerobic reaction tank, the hydrolysis process is basically replaced, the time is greatly shortened, the heater is set to provide a proper temperature environment for subsequent reaction, the reaction is promoted, the decomposition treatment of the sludge is realized, the generation of the sludge is reduced from the source, and the problem of high difficulty in the conventional sludge treatment is practically solved.
Description
Technical Field
The utility model relates to a technical field of sludge treatment, in particular to strengthen device of mud source decrement.
Background
With the continuous improvement of urban sewage treatment capacity and the wide application of the activated sludge method, excess sludge is produced in large quantities as a by-product of sewage treatment, and the treatment and disposal problems are becoming more severe. At present, the final disposal mode of the sludge mainly comprises land utilization, building material utilization and sanitary landfill. After the residual sludge is subjected to stable and harmless treatment, the residual sludge is used for improving the soil property, and nutrient substances such as nitrogen, phosphorus, organic matters and the like in the residual sludge can be utilized. The residual sludge is properly mixed with kaolin, fly ash and the like, and can be used as building materials after high-temperature treatment. However, the residual sludge has complex components, contains a certain amount of heavy metals, pathogens and persistent toxic pollutants, and has potential risks in the aspects of environment and human health, so the market has low acceptance of the residual sludge resource products, and the sludge is finally landfilled mainly in sanitation at present. However, as the available space of a landfill site is gradually reduced, it is not always possible to eventually go to sanitary landfill as excess sludge. The various treatment modes respectively face the problems of limited practical application, large treatment difficulty and the like, and 25-60% of the operation management cost of the sewage treatment plant is used for sludge treatment. Therefore, sludge reduction has become a requirement for the development of the sewage treatment industry.
Therefore, a technical scheme capable of solving the problem is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a strengthen device of mud source decrement to solve the big problem of the current sludge treatment degree of difficulty.
In order to solve the technical problem, the utility model provides a device for strengthening sludge source reduction, which comprises a sedimentation tank, an ultrasonic treatment tank, an anaerobic reaction tank and an aerobic reaction tank; the sludge outlet end of the sedimentation tank is communicated with the sludge inlet end of the ultrasonic treatment tank, the sludge outlet end of the ultrasonic treatment tank is communicated with the sludge inlet end of the anaerobic reaction tank, the sludge outlet end of the anaerobic reaction tank is communicated with the sludge inlet end of the aerobic reaction tank, and the sludge outlet end of the aerobic reaction tank is communicated with the sludge inlet end of the sedimentation tank; the anaerobic reaction tank is internally provided with a heater, and the heater is used for maintaining the interior of the anaerobic reaction tank at a preset temperature.
In one embodiment, a stirrer is further arranged in the anaerobic reaction tank, and the stirrer extends downwards from the upper part of the anaerobic reaction tank.
In one embodiment, the heater is arranged at the bottom of the anaerobic reaction tank.
In one embodiment, the anaerobic reaction tank is further provided with a monitoring instrument, and a monitoring part of the monitoring instrument is arranged in the anaerobic reaction tank.
In one embodiment, the monitoring meters include a sludge concentration meter, a pH probe, an ORP probe, and a temperature detection probe.
In one embodiment, the anaerobic reaction tank is provided with an emptying pipe which is opened and closed, and the emptying pipe is arranged at the bottom of the anaerobic reaction tank.
The utility model has the advantages as follows:
because the key step of anaerobic fermentation is hydrolysis, insoluble organic particles are changed into soluble organic matters, the hydrolysis is very slow, the anaerobic treatment period is long, the mud outlet end of the ultrasonic treatment tank of the utility model is communicated with the mud inlet end of the anaerobic reaction tank, so that the sludge is sent into the anaerobic reaction tank after ultrasonic pretreatment, and a large amount of organic matters clamped in the zoogloea are released into the water after the strength structure of the zoogloea is destroyed by the ultrasonic pretreatment, thereby being easy to be used by the microorganism, the ultrasonic pretreatment can replace the hydrolysis process to a certain extent, the time is greatly shortened, the ultrasonic wave can change the activity of microorganisms, the ultrasonic wave with certain intensity can promote the enzyme activity, accelerate the growth of the microorganisms and improve the decomposition and absorption capacity of the microorganisms on organic matters, and the sludge after the treatment enters the anaerobic reactor again, so that the impact of a system in the reactor can be reduced; furthermore, be equipped with the heater in the anaerobic reaction pond, the heater be used for with anaerobic reaction pond inside is maintained in predetermineeing the temperature, provides a suitable temperature environment for follow-up reaction, has also promoted going on of reaction, has realized the decomposition of mud and has handled, has reduced the production of mud from the source promptly, has solved the big problem of current sludge treatment degree of difficulty conscientiously.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the apparatus for enhancing sludge source reduction according to the present invention.
The reference numbers are as follows:
10. a sedimentation tank;
20. an ultrasonic treatment tank;
30. an anaerobic reaction tank; 31. a heater; 32. a stirrer; 33. monitoring the instrument; 34. emptying the pipe;
40. an aerobic reaction tank.
Detailed Description
The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The utility model provides a device for strengthening sludge source decrement, the embodiment of which is shown in figure 1 and comprises a sedimentation tank 10, an ultrasonic treatment tank 20, an anaerobic reaction tank 30 and an aerobic reaction tank 40; the sludge outlet end of the sedimentation tank 10 is communicated with the sludge inlet end of the ultrasonic treatment tank 20, the sludge outlet end of the ultrasonic treatment tank 20 is communicated with the sludge inlet end of the anaerobic reaction tank 30, the sludge outlet end of the anaerobic reaction tank 30 is communicated with the sludge inlet end of the aerobic reaction tank 40, and the sludge outlet end of the aerobic reaction tank 40 is communicated with the sludge inlet end of the sedimentation tank 10; a heater 31 is disposed in the anaerobic reaction tank 30, and the heater 31 is used for maintaining the interior of the anaerobic reaction tank 30 at a preset temperature.
When the device is applied, sludge can be precipitated in the sedimentation tank 10, then the residual sludge in the sedimentation tank 10 can be pumped to the ultrasonic treatment tank 20 for ultrasonic pretreatment, the treated sludge is sent to the anaerobic reaction tank 30 again, the sludge is sent to the aerobic reaction tank 40 for reaction after being subjected to constant temperature reaction in the anaerobic reaction tank 30 for a set time, and a better sludge reduction effect is sequentially generated.
Because the key step of anaerobic fermentation is hydrolysis, become the organic matter of dissolubility with insoluble organic granule, it is very slow to hydrolyze, cause the anaerobic treatment cycle long, and the utility model discloses utilize ultrasonic pretreatment to destroy behind the zoogloea intensity structure, a large amount of organic matters that are enclosed in the zoogloea are released to the aquatic under the arm, thereby easily for the microorganism uses, ultrasonic pretreatment can replace the hydrolysis process to a considerable extent, the time shortens greatly, and ultrasonic wave can also change the microbial activity, the ultrasonic wave of certain intensity can promote the enzyme activity, accelerate microbial growth, improve its decomposition absorption capacity to organic matter, the mud after the aftertreatment reentries into anaerobic reactor, can reduce the impact of reactor internal system; furthermore, the constant temperature environment of the anaerobic reaction tank 30 also promotes the reaction, realizes the decomposition treatment of the sludge, namely reduces the generation of the sludge from the source, and practically solves the problem of high difficulty in the existing sludge treatment.
Preferably, the stirrer 32 is further provided in the anaerobic reaction tank 30, and the stirrer 32 extends downward from the upper portion of the anaerobic reaction tank 30.
After the stirrer 32 is added, the stirrer 32 can fully stir the sludge in the anaerobic reaction tank 30, so that the sludge in the anaerobic reaction tank 30 can be fully reacted, and the reaction efficiency of the sludge in the anaerobic reaction tank 30 is improved.
Wherein, agitator 32 can adopt the control mode of intermittent type nature stirring, and this control mode's advantage lies in avoiding the long-time continuous operation of agitator 32, under the prerequisite of guaranteeing that mud stirring is abundant, has also ensured agitator 32's life.
Preferably, the heater 31 is disposed at the bottom of the anaerobic reaction tank 30 in this embodiment.
After the arrangement mode is adopted, the heater 31 can transmit heat from bottom to top, namely the heater 31 does not need to be provided with a specific supporting structure, so that the problem that the supporting structure is damaged by sludge is avoided; and still can set up the heater 31 at this moment and be the slow speed temperature equipment that increases, thereby the slow speed temperature equipment body that increases can not produce the temperature in the quick change anaerobic reaction pond 30 of high temperature, and under an appropriate temperature, the activity of microorganism will promote in a large number, and mud decrement can reach better effect.
Preferably, this embodiment is further provided with a monitoring instrument 33 in the anaerobic reaction tank 30, and a monitoring part of the monitoring instrument 33 is arranged in the anaerobic reaction tank 30.
After the monitoring instrument 33 is additionally arranged, various parameters in the anaerobic reaction tank 30 can be known in time, so that the reaction environment in the anaerobic reaction tank 30 can be regulated and controlled in time; specifically, the monitoring instrument 33 provided in this embodiment includes a sludge concentration meter, a pH (hydrogen ion concentration index) probe, an ORP (oxidation-reduction potential) probe, and a temperature detection probe, and timely monitors four parameters to ensure that the reaction environment of the anaerobic reaction tank 30 can be timely controlled.
Preferably, the anaerobic reaction tank 30 of this embodiment is provided with an emptying pipe 34 which is opened and closed, and the emptying pipe 34 is provided at the bottom of the anaerobic reaction tank 30.
Under normal use state, the evacuation pipe 34 is in a closed state, if the anaerobic reaction tank 30 needs to be emptied and cleaned, the evacuation pipe 34 is only needed to be opened, and the sludge in the anaerobic reaction tank 30 can be discharged through the evacuation pipe 34, so that the anaerobic reaction tank 30 is convenient to clean.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (6)
1. A device for strengthening sludge source decrement is characterized in that,
comprises a sedimentation tank, an ultrasonic treatment tank, an anaerobic reaction tank and an aerobic reaction tank;
the sludge outlet end of the sedimentation tank is communicated with the sludge inlet end of the ultrasonic treatment tank, the sludge outlet end of the ultrasonic treatment tank is communicated with the sludge inlet end of the anaerobic reaction tank, the sludge outlet end of the anaerobic reaction tank is communicated with the sludge inlet end of the aerobic reaction tank, and the sludge outlet end of the aerobic reaction tank is communicated with the sludge inlet end of the sedimentation tank;
the anaerobic reaction tank is internally provided with a heater, and the heater is used for maintaining the interior of the anaerobic reaction tank at a preset temperature.
2. The apparatus for enhancing sludge source reduction according to claim 1, wherein an agitator is further provided in the anaerobic reaction tank, and the agitator is extended downward from an upper portion of the anaerobic reaction tank.
3. The apparatus for enhancing sludge source reduction according to claim 1, wherein the heater is disposed at the bottom of the anaerobic reaction tank.
4. The apparatus for enhancing sludge source reduction according to claim 3, wherein the anaerobic reaction tank is further provided with a monitoring instrument, and a monitoring part of the monitoring instrument is arranged in the anaerobic reaction tank.
5. The apparatus for enhancing sludge source reduction according to claim 4, wherein the monitoring instruments comprise a sludge concentration meter, a pH probe, an ORP probe and a temperature detection probe.
6. The apparatus for enhancing sludge source reduction according to claim 1, wherein the anaerobic reaction tank is provided with an emptying pipe which is opened and closed, and the emptying pipe is arranged at the bottom of the anaerobic reaction tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120178871.8U CN214654361U (en) | 2021-01-22 | 2021-01-22 | Device for reinforcing sludge source decrement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120178871.8U CN214654361U (en) | 2021-01-22 | 2021-01-22 | Device for reinforcing sludge source decrement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214654361U true CN214654361U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120178871.8U Active CN214654361U (en) | 2021-01-22 | 2021-01-22 | Device for reinforcing sludge source decrement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214654361U (en) |
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2021
- 2021-01-22 CN CN202120178871.8U patent/CN214654361U/en active Active
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