CN210711136U - Intelligent integrated equipment for waste water treatment of garbage transfer station - Google Patents
Intelligent integrated equipment for waste water treatment of garbage transfer station Download PDFInfo
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- CN210711136U CN210711136U CN201920659099.4U CN201920659099U CN210711136U CN 210711136 U CN210711136 U CN 210711136U CN 201920659099 U CN201920659099 U CN 201920659099U CN 210711136 U CN210711136 U CN 210711136U
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Abstract
The utility model discloses a rubbish transfer station waste water treatment intelligence integrated equipment, the processing procedure of waste water loops through the pipeline formula coagulation reactor that sets up, central vertical flow sedimentation tank, the synchronous anaerobic digestion pond of sewage mud, one-level biological contact oxidation pond, hydrolysis-acidification pool, second grade biological contact oxidation pond, MBR membrane biological reaction pond, suspension type header tank, the operation of equipment is supported among the full automated control system and is accomplished elevator pump, PAC dosing pump, PAM dosing pump, alkali lye dosing pump, antiseptic solution dosing pump, air-blower, product water pump, backwash water pump, mud backwash pump, floater level gauge, the automatic intelligent control who arranges mud motorised valve, mixer, exhaust fan. The utility model has the advantages that the intelligent control reduces a large amount of labor cost, and optimizes the process flow; the whole process is low in cost and quick in production, and the process is used for treating waste water of the garbage transfer station. Really solves the problem of treating the waste water of the garbage transfer station.
Description
Technical Field
The utility model relates to a rubbish transfer station waste water treatment intelligence integrated equipment for contain the processing of the rubbish transfer station waste water of high concentration, high ammonia nitrogen, high suspended solid, high total phosphorus (four high) organic waste water.
Background
The garbage transfer station is an important hub for collecting and treating urban garbage, is a hub for connecting a garbage generating source with a tail end treatment system, and is an essential link in a garbage collecting, transporting and disposing system of urban domestic garbage. Along with the accelerated advance of the urbanization process in China and the improvement of the living standard, the garbage output is increased year by year, the establishment of the garbage transfer station is necessary, and the problem of wastewater treatment of the garbage transfer station must be fully considered during the construction.
The waste water of the garbage transfer station mainly comprises domestic waste water, flushing waste water and garbage percolate, the components of pollutants are complex and changeable, the water quality change is large, organic pollutants (CODcr), ammonia nitrogen, total phosphorus concentration is high, the water quantity and water quality fluctuation are large, and the like, and the peripheral ecological environment can be influenced by directly discharging the waste water. If the sewage enters a municipal sewage treatment plant directly, the water quality of the sewage treatment plant seriously exceeds the standard requirement of the inlet water quality of the sewage treatment plant, and the subsequent operation of the sewage treatment plant is impacted inevitably.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a rubbish transfer station waste water treatment intelligence integrated equipment has effectively solved the processing problem of rubbish transfer station waste water.
The utility model aims at realizing through the following technology:
the sewage treatment system comprises a pipeline type coagulation reactor (1), a central vertical flow sedimentation tank (2), sewage sludge synchronous anaerobic digestion (3), a primary biological contact oxidation tank (4), a hydrolysis acidification tank (5), a secondary biological contact oxidation tank (6), an MBR membrane biological reaction tank (7) and a suspension type clear water tank (8).
The collected waste water of the waste transfer station is lifted to realize PH on-line monitoring, and PAC, PAM, alkali and the like are added into the pipeline type coagulation reactor (1) capable of carrying out coagulation reaction to regulate the water quality.
Wastewater subjected to coagulation reaction in the pipeline type coagulation reactor (1) automatically flows into the central vertical flow sedimentation tank (2) for coagulation sedimentation, and fine SS, colloidal particles and organic matter particles in raw water are removed.
Supernatant in the central vertical flow sedimentation tank (2) automatically flows into the sewage and sludge synchronous anaerobic digestion tank (3), and anaerobic granular sludge in the sewage and sludge synchronous anaerobic digestion tank (3) qualitatively captures most pollutants, intercepts and digests the pollutants.
The sewage automatically flows into a primary biological contact oxidation tank (4) for aerobic treatment after being treated by a sewage and sludge synchronous anaerobic digestion tank (3), and aerobic microorganisms in the active sludge digest and absorb organic matters under the aerobic condition under the action of providing an oxygen source by blast aeration so as to achieve the purpose of removing the organic matters; meanwhile, a reflux device is arranged at the tail end of the primary biological contact oxidation tank (4), so that nitration and denitrification reactions are realized, and most of ammonia nitrogen and total nitrogen are degraded.
The effluent of the first-level biological contact oxidation tank (4) automatically flows into a hydrolysis acidification tank (5) to degrade macromolecular organic matters in the sewage into micromolecular organic matters, so that the biodegradability is improved.
The effluent of the hydrolysis acidification tank (5) automatically flows into a secondary biological contact oxidation tank (6), and air blast aeration provides an oxygen source to further degrade organic matters in sewage, and secondary reflux is arranged to further remove ammonia nitrogen and total nitrogen and reduce the treatment load of a subsequent MBR membrane biological reaction tank (7).
And the effluent of the secondary biological contact oxidation tank (6) enters an MBR membrane biological reaction tank (7), organic nitrogen in the wastewater is converted into nitrate by using activated sludge through the biomembrane reactor under the aerobic condition, the nitrate is reduced and degraded by using the activated sludge under the anoxic condition, and the treated wastewater is filtered through the MBR membrane to obtain filtrate.
And (2) enabling outlet water of the MBR membrane biological reaction tank (7) to enter a suspended clear water tank (8), adding sodium hypochlorite to perform synchronous color removal and disinfection on the outlet water, wherein the quality of the outlet water after the outlet water is disinfected can reach the tighter value of the three-level standard of Integrated wastewater discharge Standard (GB8978-1996) and the B-level standard of Sewage discharge urban sewer Water quality Standard (GB/T31962 and 2015), one part of the outlet water can be used as backwashing water for the MBR membrane biological reaction tank, and the other part of the outlet water can be used as configuration water for PAC, PAM and alkali liquor.
Preferably, the PAC and PAM are added in the pipeline type coagulation reactor (1) through a full-automatic PAC adding device (12) and a full-automatic PAM adding device (13); the pH adjustment is realized by a full-automatic alkali liquor feeding device (14) after on-line monitoring.
Preferably, mixers are arranged in the full-automatic PAC feeding device (12), the full-automatic PAM feeding device (13) and the full-automatic alkali liquor feeding device (14).
Preferably, anaerobic granular sludge in the sewage sludge synchronous anaerobic digestion tank (3) can qualitatively capture most pollutants, and the sludge amount can be greatly reduced by intercepting and digesting.
Preferably, anaerobic elastic filter materials are arranged in the sewage sludge synchronous anaerobic digestion tank (3) and the hydrolysis acidification tank (5); aerobic elastic filter materials are arranged in the primary biological contact oxidation tank (4) and the secondary biological contact oxidation tank (6).
Preferably, in the process, the primary biological contact oxidation pond (4), the secondary biological contact oxidation pond (6) and the MBR membrane biological reaction pond (7) are oxygenated by an air blower (11).
Preferably, the blower (11) is controlled by a lift pump and a water production pump in a linkage mode, and when any one of the lift pump and the water production pump is started, the rotary blower is started; when the lift pump and the water producing pump are stopped, the time delay is stopped.
Preferably, in the process, the primary biological contact oxidation tank (4) and the secondary biological contact oxidation tank (6) are provided with reflux devices, so that nitration and denitrification reactions can be realized, most ammonia nitrogen and total nitrogen are degraded, and the treatment load of the MBR membrane biological reaction tank (7) is reduced.
Preferably, in the process, aerobic, anaerobic and aerobic processes are alternately carried out, and multi-level sewage treatment is carried out in multi-link grading, so that the treatment load of the MBR membrane biological reaction tank (7) can be effectively realized.
Preferably, the central vertical flow sedimentation tank (2) and the MBR membrane biological reaction tank (7) generate sludge and the sludge is discharged to the sludge tank at regular time through an automatic sludge discharge electric valve (16).
Preferably, the suspension type clear water tank (8) is added with sodium hypochlorite through a disinfectant adding pump (15) for color removal and disinfection, the water quality can reach the tighter value of the three-level standard of Integrated wastewater discharge Standard (GB8978-1996) and the B-level standard of wastewater discharge into urban sewer Water quality Standard (GB/T31962. sup. 2015), one part can be used as backwashing water for an MBR membrane biological reaction tank, and the other part can be used as configuration water for PAC, PAM and alkali liquor.
The utility model has the advantages that:
(1) adopt intelligent integrated equipment, can be according to different rubbish transfer station waste water yield, nimble adjusting device throughput can satisfy different transfer station demands.
(2) This intelligent integrated equipment can carry out reasonable operation according to quality of water yield automatically, the later stage manual management expense that has significantly reduced.
(3) The intelligent integrated equipment adopts sewage and sludge cooperative treatment, multi-stage aerobic treatment, hydrolytic acidification and multi-level and multi-aspect transfer station wastewater treatment, and the water quality can reach the tighter value of the three-level standard of Integrated wastewater discharge Standard (GB8978-1996) and the B-level standard of Water quality Standard of Sewage discharge into urban sewer (GB/T31962. sup. 2015).
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic top view of the present invention.
Detailed Description
Fig. 1 shows, relates to a waste water treatment intelligent integrated device of a garbage transfer station.
Wherein sewage treatment device adopts landscape steel building form, and the equipment main part adopts the carbon steel structure, pastes thermal-insulated carving board outward, and with the peripheral environment of transfer station coordinated, equipment is on the earth's surface.
The equipment shown in the figure sequentially comprises a pipeline type coagulation reactor (1), a central vertical flow sedimentation tank (2), a sewage and sludge synchronous anaerobic digestion tank (3), a primary biological contact oxidation tank (4), a hydrolysis acidification tank (5), a secondary biological contact oxidation tank (6), an MBR membrane biological reaction tank (7), a suspended clear water tank (8), a backwashing pump (9), a full-automatic water production pump (10), an air blower (11), a full-automatic PAC adding device (12), a full-automatic PAM adding device (13), a full-automatic alkali liquor adding device (14), a full-automatic disinfectant adding pump (15), an automatic sludge discharge electric valve (16), a water inlet (17), a water outlet (18), an intelligent control box (19) and a gate (20).
During treatment, sewage is lifted to the pipeline coagulation reactor (1) from an outer pipeline, the outlet of the pipeline coagulation reactor (1) is connected with the inlet of the central vertical flow sedimentation tank (2), the outlet (2) of the central vertical flow sedimentation tank is connected with the inlet of the sewage and sludge synchronous anaerobic digestion tank (3), the outlet of the sewage and sludge synchronous anaerobic digestion tank (3) is connected with the inlet of the primary biological contact oxidation tank (4), the outlet of the primary biological contact oxidation tank (4) is connected with the inlet of the hydrolysis acidification tank (5), the outlet of the hydrolysis acidification tank (5) is connected with the inlet of the secondary biological contact oxidation tank (6), the outlet of the secondary biological contact oxidation tank (6) is connected with the inlet of the MBR membrane biological reaction tank (7), the outlet of the MBR membrane biological reaction tank (7) is connected with the suspended clear water tank (8), and the suspended clear water tank is discharged to reach the standard.
The adding of the medicament of the mixing pipeline type coagulation reactor 1 is completed by a full-automatic PAC adding device, a full-automatic PAM adding device and a full-automatic alkali liquor adding device, and a stirrer is arranged in the PAC adding device, the full-automatic PAM adding device and the full-automatic alkali liquor adding device.
Wherein, the sludge is discharged from the central vertical flow sedimentation tank (2) and the MBR membrane biological reaction tank (7) periodically by an automatic electric valve.
Before sewage enters a coagulation reactor (1), the PH value of the sewage is monitored on line through a PH meter, the general sewage is neutral, alkali liquor is added through the setting of a full-automatic alkali liquor adding device (15), the PH value of the sewage entering a sewage treatment device is neutral, then PAC and PAM agents are added through a full-automatic PAC adding device (12) and a full-automatic PAM adding device (13) when the sewage passes through the pipeline type coagulation reactor (1) for coagulation reaction, solid-liquid separation is carried out in a central vertical flow sedimentation tank (2), supernatant automatically flows into a process section of a sewage and sludge synchronous anaerobic digestion tank (3), anaerobic granular sludge in the sewage and sludge synchronous anaerobic digestion device qualitatively captures and intercepts and digests most pollutants, then automatically flows into a primary biological contact oxidation tank (4) for aerobic treatment, and under the condition that an air blower (11) provides sufficient oxygen source through aeration, aerobic microorganisms realize life activities such as metabolism of self through absorbing organic matters in the waste water, and organic matters in the waste water are removed simultaneously, and in order to realize synchronous degradation of ammonia nitrogen and total nitrogen, a sewage backflow is arranged at the tail end of a process section of the primary biological contact oxidation tank (4), so that nitration and denitrification reactions are realized, and most of ammonia nitrogen and total nitrogen are degraded.
In view of rubbish transfer station sewage characteristic, the organic substance that contains the macromolecule in the sewage is more, it can't ensure to stabilize up to standard singly from one-level anaerobism-aerobic treatment, set up one section hydrolysis acidification pool (5) behind one-level biological contact oxidation pond (4), the aim at becomes the micromolecule organic matter with the hydrolysis acidification of macromolecule organic matter, improve the biodegradability of sewage, sewage after the hydrolysis acidification gets into second grade biological contact oxidation pond (6), further degrade the organic matter, set up the second grade backward flow simultaneously at second grade biological contact oxidation pond (6) end, the like, further degrade ammonia nitrogen and total nitrogen, reduce the processing load of MBR membrane biological reaction pond (7).
And finally, sewage enters an MBR membrane biological reaction tank (7), and produced water is subjected to standard discharge after entering a suspension type clear water tank (8) through a full-automatic water production pump (10) through the precise filtration of an MBR membrane. According to the PLC program setting, the MBR membrane water production operation is started for 8 minutes, stopped for 2 minutes, and performed with one-time full-automatic backwashing after three hours of operation, and when the negative pressure meter in front of the full-automatic water production pump displays that the negative pressure value is higher than the default value, membrane drug washing is prompted.
The tap water used by all the dosing devices adopts purified clean water, and external tap water pipelines are not needed.
The above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements and the like made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The waste water treatment intelligent integrated equipment of the waste transfer station is characterized in that sewage sequentially passes through a coagulation reactor (1), a central vertical flow sedimentation tank (2), a sewage and sludge synchronous anaerobic digestion tank (3), a primary biological contact oxidation tank (4), a hydrolysis acidification tank (5), a secondary biological contact oxidation tank (6), an MBR membrane biological reaction tank (7) and a suspension type clear water tank (8).
2. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: the coagulation reactor (1) is fed with chemicals by means of a full-automatic PAC feeding device (12), a full-automatic PAM feeding device (13) and a full-automatic alkali liquor feeding device (14), and automatic/manual operation functions can be realized in an intelligent control system.
3. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: and the sludge discharge of the central vertical flow sedimentation tank (2) and the MBR membrane biological reaction tank (7) depends on an automatic sludge discharge electric valve (16) to discharge sludge at regular time.
4. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: anaerobic elastic filter materials are arranged in the sewage sludge synchronous anaerobic digestion tank (3) and the hydrolysis acidification tank (5).
5. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: aerobic elastic filter materials are arranged in the primary biological contact oxidation tank (4) and the secondary biological contact oxidation tank (6).
6. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: reflux devices are arranged in the primary biological contact oxidation tank (4) and the secondary biological contact oxidation tank (6) to realize nitration and denitrification reactions and degrade most of ammonia nitrogen and total nitrogen.
7. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: the backwashing of the MBR membrane biological reaction tank (7) is automatically controlled by a backwashing pump (9).
8. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: the disinfection of suspension type clear water tank (8) is realized through full-automatic antiseptic solution dosing pump (15) is automatic, and the while is dispensing of entire system, and the backwash provides the water source, need not external tap water pipeline.
9. The intelligent integrated waste water treatment equipment for the garbage transfer station according to claim 1, wherein: the operation of the full-automatic PAC adding device (12), the full-automatic PAM adding device (13), the full-automatic alkali liquor adding device (14), the full-automatic water producing pump (10), the backwashing pump (9), the full-automatic disinfectant adding pump (15) and the air blower (11) is controlled intelligently and automatically.
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| CN201920659099.4U CN210711136U (en) | 2019-05-09 | 2019-05-09 | Intelligent integrated equipment for waste water treatment of garbage transfer station |
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| CN201920659099.4U CN210711136U (en) | 2019-05-09 | 2019-05-09 | Intelligent integrated equipment for waste water treatment of garbage transfer station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461261A (en) * | 2021-07-02 | 2021-10-01 | 北京津工海水科技有限公司 | Optimization method for treatment process of biochemical system of refuse landfill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461261A (en) * | 2021-07-02 | 2021-10-01 | 北京津工海水科技有限公司 | Optimization method for treatment process of biochemical system of refuse landfill |
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