CN210457864U - Sewage treatment system based on super separation of imitating - Google Patents
Sewage treatment system based on super separation of imitating Download PDFInfo
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- CN210457864U CN210457864U CN201921303731.8U CN201921303731U CN210457864U CN 210457864 U CN210457864 U CN 210457864U CN 201921303731 U CN201921303731 U CN 201921303731U CN 210457864 U CN210457864 U CN 210457864U
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Abstract
The utility model discloses a sewage treatment system based on super separation of imitating relates to water treatment technical field. Which solves the technical problems of complex treatment process, high treatment cost and the like of high-concentration organic wastewater in the prior art. The system comprises a pretreatment system, an anaerobic reactor and an ultra-efficient separation system which are sequentially connected, wherein the ultra-efficient separation system comprises a mixing tank, a magnetic seed loading tank, a flocculation reaction tank and an inclined tube sedimentation tank, a mud scraper is arranged inside the inclined tube sedimentation tank, a sludge return pipe is connected to the bottom of the inclined tube sedimentation tank, the other end of the sludge return pipe is connected with the magnetic seed loading tank, the sludge return pipe is used for conveying coagulated flocs containing magnetic seeds into the magnetic seed loading tank, a residual sludge return pipe is also connected to the bottom of the inclined tube sedimentation tank, and the other end of the residual sludge return pipe is sequentially connected with a high-speed shearing machine and a magnetic separator. The utility model discloses sewage treatment system treatment effect is good, can reach sewer emission standard, and more energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a water treatment technical field, concretely relates to high concentration organic waste water's preceding processing system especially relates to a sewage treatment system based on super effect separation.
Background
With the rapid development of economy in China and the continuous promotion of industrialization and urbanization processes, the contradiction between the rapid increase of water consumption and the problem of water pollution is increasingly prominent. Under the background of large environmental protection, the requirement on the front-end treatment of high-concentration organic wastewater is more and more strict, and the discharge of the high-concentration wastewater of upstream enterprises into a sewage pipe network after reaching the standard is an important precondition and guarantee for the stable operation and the discharge after reaching the standard of a downstream sewage treatment plant. In order to meet the discharge standard of the sewage pipe network, the main flow process route of the upstream enterprises for treating the high-concentration organic wastewater is as follows: the process comprises the steps of grating, precipitation, regulating tank, anaerobic reactor, aerobic biochemical treatment and secondary sedimentation tank, wherein under the condition that the effluent discharge standard requires net receiving, pretreatment, anaerobic treatment, aerobic biochemical treatment and sludge-water separation units are indispensable, for enterprises, the one-time investment cost is high, the later-stage operation and management and maintenance cost is high, and the upstream enterprises are greatly burdened.
The highest treatment cost link of enterprises to the high-concentration organic wastewater is in an aerobic biochemical treatment section, aerobic aeration is needed, and the power consumption is high. Under the current idea of strongly advocating economy, energy conservation and environmental protection, it is important to find more economical, reasonable and stable technology. Therefore, it is very urgent to develop a system which can replace aerobic biochemical treatment and reduce the treatment cost of upstream enterprises.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage treatment system based on super separation of imitating, its treatment effect is good, and can reach sewer emission standard, and more energy-concerving and environment-protective.
The technical scheme is as follows:
a sewage treatment system based on super-effect separation comprises a pretreatment system and an anaerobic reactor which are sequentially connected, wherein the anaerobic reactor is further connected with a super-effect separation system, the super-effect separation system comprises a mixing tank, a magnetic seed loading tank, a flocculation reaction tank and an inclined tube sedimentation tank which are sequentially arranged, a mud scraper is arranged inside the inclined tube sedimentation tank, a sludge return pipe is connected to the bottom of the inclined tube sedimentation tank, the other end of the sludge return pipe is connected to the bottom of the magnetic seed loading tank, a sludge return pump is arranged on the sludge return pipe, and the sludge return pipe is used for conveying coagulated flocs containing magnetic seeds into the magnetic seed loading tank;
the bottom of the inclined tube sedimentation tank is also connected with a residual sludge return pipe, a residual sludge pump is arranged on the residual sludge return pipe, and the other end of the residual sludge return pipe is sequentially connected with a high-speed shearing machine and a magnetic separator.
As an optimal scheme of the utility model, foretell mixed pond is connected with PAC charge device, and flocculation reaction pond is connected with PAM charge device.
As another preferable proposal of the utility model, stirrers are arranged in the mixing tank, the magnetic seed loading tank and the flocculation reaction tank.
Preferably, the pretreatment system is a grating, a sand settling tank or an adjusting tank, and the pretreatment system removes waste residues and waste sands in the wastewater by a physical method.
Compared with the prior art, the utility model discloses following beneficial technological effect has been brought:
the utility model relates to a sewage treatment system based on super-efficient separation, it is through the pretreatment systems, anaerobic reactor and the super-efficient piece-rate system that connect gradually after, the chemical sludge that produces in the super-efficient piece-rate system carries out outer row through surplus sludge discharge system and cuts the floc of parcel magnetic seed and smash through the high-speed of high shear machine, then carries out the magnetic seed through the magnetic separation machine and retrieves, inside the magnetic seed after retrieving got back to the system again, mud after the separation then passes through the pipeline and gets into the mud storage pond. The recovery rate of magnetic seeds reaches more than 99.5 percent.
The utility model can remove SS, TP, COD and TN pollutants, with good treatment effect, and can reach the drainage standard of sewer;
the utility model solves the technical route that the high-concentration organic wastewater can meet the water quality standard of the urban sewer after biochemical treatment, and provides a new idea for the front-end treatment of the high-concentration organic wastewater;
the utility model saves one-time investment cost and subsequent operation cost for upstream enterprises, reduces the burden of the enterprises and improves the enterprise benefit;
the utility model discloses help "upgrading increase effect" of low reaches sewage treatment plant, reduce biochemical treatment's load, improve biochemical reaction efficiency, reduce the running cost.
The utility model has the technical advantages of energy conservation, environmental protection and high efficiency, and has good economic, environmental and social benefits.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a sewage treatment system based on super-effect separation of the present invention;
FIG. 2 is a flow chart of the treatment process of the sewage treatment system based on super-effect separation of the utility model;
FIG. 3 is a process flow diagram of the super-efficient separation system of the present invention;
in the figure, 1, a pretreatment system, 2, an anaerobic reactor, 3, an excess sludge pump, 4, a sludge reflux pump, 5, a mud scraper, 6, a stirrer, 7, a high-speed shearing machine, 8, a magnetic separator, 9, a PAC dosing device, 10 and a PAM dosing device.
Detailed Description
The utility model provides a sewage treatment system based on super-effect separation, in order to make the utility model discloses an advantage, technical scheme are clearer, more clear and definite, and it is right to combine specific embodiment below the utility model discloses do the detailed description.
The PAC mentioned in the utility model is polyaluminium chloride which is a water purifying material, an inorganic high-molecular coagulant, also called polyaluminium for short;
the PAM mentioned in the utility model is polyacrylamide.
The utility model discloses the agitator mentioned adopts prior art's conventional agitator, and the main part is (mixing) shaft and stirring paddle leaf, and it is rotatory to drive the (mixing) shaft through actuating mechanism, drives stirring paddle leaf through the (mixing) shaft and rotates.
As shown in figure 1, the utility model relates to a sewage treatment system based on super-effect separation, it includes pretreatment systems 1, anaerobic reactor 2, excess sludge pump 3, mud backwash pump 4, mud scraper 5, agitator 6, high-speed cutter 7, magnetic separator 8, PAC charge device 9, PAM charge device 10.
The pretreatment system 1 can be a grating, a sand settling tank or an adjusting tank, the pretreatment system removes waste residues and waste sand in the wastewater through a physical method, the wastewater enters from a water inlet of the pretreatment system 1, is discharged from an outlet of the pretreatment system after the procedures of slag removal, sand removal and the like in the pretreatment, enters an anaerobic reactor 2, and decomposes most of easily biodegradable organic matters into CH through four-stage actions (hydrolysis, acidification, hydrogen production, acetic acid production and methane production) of anaerobic microorganisms in the anaerobic reactor 24、CO2And improving the biodegradability of the refractory organics to produce bioenergy (CH)4) Can be recycled; then the sludge enters an ultra-efficient separation system, wherein the ultra-efficient separation system comprises a residual sludge pump 3, a sludge reflux pump 4, a sludge scraper 5, a stirrer 6, a high-speed shearing machine 7, a magnetic separator 8, a PAC dosing device 9 and a PAM dosing device 10, wherein a mixing tank, a magnetic seed loading tank, a flocculation reaction tank and an inclined tube sedimentation tank are sequentially arranged, the sludge scraper is arranged in the inclined tube sedimentation tank and can completely scrape sludge at the bottom of the sedimentation tank, the bottom of the inclined tube sedimentation tank is connected with a sludge reflux pipe, the other end of the sludge reflux pipe is connected to the bottom of the magnetic seed loading tank, the sludge reflux pump 4 is arranged on the sludge reflux pipe, and the sludge reflux pipe is used for sending coagulated flocs containing magnetic seeds into the magnetic seed loading tank;
the bottom of the inclined tube sedimentation tank is also connected with a residual sludge return pipe, a residual sludge pump is arranged on the residual sludge return pipe, and the other end of the residual sludge return pipe is sequentially connected with a high-speed shearing machine and a magnetic separator.
Preferably, the mixing tank is connected with a PAC dosing device 9, and the flocculation reaction tank is connected with a PAM dosing device 10. The PAC dosing device and the PAM dosing device both adopt the devices in the prior art.
With reference to fig. 2 and 3, the utility model relates to a process for treating sewage treatment system based on super-effect separation, which comprises the following steps:
the wastewater firstly enters a pretreatment system 1, is subjected to physical slag removal, gravel, homogenization and quantity equalization regulation, then enters an anaerobic reactor 2, and decomposes most of easily biodegradable organic matters into CH through four-stage actions (hydrolysis, acidification, hydrogen production, acetic acid production and methane production) of anaerobic microorganisms4、CO2And improving the biodegradability of the refractory organics to produce bioenergy (CH)4) Can be recycled;
then enters a super-efficient separation system based on a magnetic loading precipitation technology, and the system mainly comprises the following core devices: after wastewater enters the system, flocculating agents (such as PAC, PFC and the like), excellent screening magnetic seeds (with specific gravity of 5-6) and PAM are added, and the excellent screening magnetic seeds are combined with flocs under the action of a stirrer 6, so that the specific gravity of the flocs is greatly increased, the sedimentation speed of coagulated flocs is accelerated, and the treatment efficiency is improved; the coagulation flocs containing magnetic seeds are pumped from the sedimentation tank to the magnetic seed loading tank through the sludge reflux pump 4, so that the use efficiency of the medicament is improved, and the stable operation of the system is guaranteed; excess sludge containing magnetic seeds is firstly pumped into a high-speed shearing machine 7 through an excess sludge pump 3, flocs are broken, and the magnetic seeds are separated from the sludge flocs. Then enters a magnetic separator 8, under the magnetic action of the high-gradient magnetic separator, the magnetic seeds are effectively recovered and returned to the system again, and the separated residual sludge enters a sludge storage pool.
The present invention will be described in detail with reference to the following embodiments:
example 1:
will the utility model discloses sewage treatment system uses certain beer class wastewater treatment plant.
The design throughput of the treatment plant is 7000m3The water quality characteristics are as follows: high COD, TN and TP.
The water quality of inlet and outlet water is detailed in table 1:
TABLE 1
| Index (I) | COD(mg/L) | TN(mg/L) | TP(mg/L) | SS(mg/L) |
| Quality of inlet water | 1500-2000 | 50-90 | 8-12 | 260-700 |
| Quality of effluent water | ＜350 | ＜40 | ＜1.2 | ＜10 |
As can be seen from the table 1, the utility model discloses handle this enterprise's waste water, go out the water index and can stably reach sewer emission standard. The removal rate of COD is more than 82.5 percent, the removal rate of TN is more than 55.6 percent, the removal rate of TP is more than 90 percent, and the removal rate of SS is more than 98.6 percent. The utility model discloses saved the cost of production of enterprise greatly, played positive effect to enterprise energy saving and consumption reduction simultaneously. The stable pre-treated effluent is treated in a centralized way by a downstream sewage treatment plant, which is beneficial to the quality improvement and efficiency improvement of the downstream sewage treatment plant, reduces the load of biochemical treatment, improves the biochemical reaction efficiency, reduces the operation cost and has good economic, environmental and social benefits.
The utility model discloses the part that does not describe in can realize by reference prior art.
It should be noted that: any equivalents or obvious modifications thereof which may occur to persons skilled in the art and which are given the benefit of this description are deemed to be within the scope of the invention.
Claims (4)
1. The utility model provides a sewage treatment system based on super-effect separation, its includes connected gradually pretreatment systems and anaerobic reactor, its characterized in that: the anaerobic reactor is also connected with a super-efficient separation system, the super-efficient separation system comprises a mixing tank, a magnetic seed loading tank, a flocculation reaction tank and an inclined tube sedimentation tank which are sequentially arranged, a mud scraper is arranged in the inclined tube sedimentation tank, the bottom of the inclined tube sedimentation tank is connected with a sludge return pipe, the other end of the sludge return pipe is connected to the bottom of the magnetic seed loading tank, a sludge return pump is arranged on the sludge return pipe, and the sludge return pipe is used for sending coagulated flocs containing magnetic seeds into the magnetic seed loading tank;
the bottom of the inclined tube sedimentation tank is also connected with a residual sludge return pipe, a residual sludge pump is arranged on the residual sludge return pipe, and the other end of the residual sludge return pipe is sequentially connected with a high-speed shearing machine and a magnetic separator.
2. The system of claim 1, wherein the system comprises: the mixing tank is connected with a PAC dosing device, and the flocculation reaction tank is connected with a PAM dosing device.
3. The system of claim 1, wherein the system comprises: the mixing tank, the magnetic seed loading tank and the flocculation reaction tank are all internally provided with stirrers.
4. The system of claim 1, wherein the system comprises: the pretreatment system comprises a grid, a sand settling tank or an adjusting tank, and waste residues and waste sand in the wastewater are removed by a physical method.
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| CN201921303731.8U CN210457864U (en) | 2019-08-13 | 2019-08-13 | Sewage treatment system based on super separation of imitating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395849A (en) * | 2019-08-13 | 2019-11-01 | 青岛思普润水处理股份有限公司 | A kind of sewage disposal system and technique isolated based on super effect |
| CN114804339A (en) * | 2022-04-19 | 2022-07-29 | 青岛思普润水处理股份有限公司 | BFM form-based efficient AOA coupling anaerobic ammonia oxidation sewage treatment method and system |
-
2019
- 2019-08-13 CN CN201921303731.8U patent/CN210457864U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395849A (en) * | 2019-08-13 | 2019-11-01 | 青岛思普润水处理股份有限公司 | A kind of sewage disposal system and technique isolated based on super effect |
| CN114804339A (en) * | 2022-04-19 | 2022-07-29 | 青岛思普润水处理股份有限公司 | BFM form-based efficient AOA coupling anaerobic ammonia oxidation sewage treatment method and system |
| CN114804339B (en) * | 2022-04-19 | 2023-08-22 | 青岛思普润水处理股份有限公司 | BFM-based efficient AOA coupling anaerobic ammonia oxidation sewage treatment method and system |
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