CN206529384U - It is a kind of to discharge the device that internal carbon source reduces excess sludge discharge - Google Patents
It is a kind of to discharge the device that internal carbon source reduces excess sludge discharge Download PDFInfo
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- CN206529384U CN206529384U CN201720228757.5U CN201720228757U CN206529384U CN 206529384 U CN206529384 U CN 206529384U CN 201720228757 U CN201720228757 U CN 201720228757U CN 206529384 U CN206529384 U CN 206529384U
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- rotating disk
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- carbon source
- outlet pipe
- spoil disposal
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Abstract
A kind of device for discharging internal carbon source reduction excess sludge discharge belongs to technical field of sewage, including rotating disk nitration reaction pond, reaction draining spoil disposal are combined pond, sterilization pool, sludge fermentation pond, water inlet pipe, outlet pipe, discharge pipeline, drive device and rotating disk main shaft.Rationally, main drive device is only a low-power motor to the utility model precise structure, coordinates magnetic valve and rotating-table apparatus, you can complete oxygenation, is lifted, draining, the operation such as spoil disposal, and energy consumption greatly reduces.By the fermentation of excess sludge, by the secondary utilization of carbon source.Nitrification and denitrifying efficiency are improved, the not enough influence to ammonia nitrogen removal frank of carbon source is solved.While organics removal and total nitrogen, the utility model fiting chemical dephosphorization, filter cloth absorption, disinfection by chlorine dioxide water outlet can be stably reached《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002) one-level A standards.
Description
Technical field
The utility model belongs to technical field of sewage, especially relates to a kind of release internal carbon source and reduces excess sludge
The device of discharge.
Background technology
With body eutrophication, biological denitrification phosphorous removal technique is widely studied and applied, traditional sewage treatment process
In the case where being not added with outer carbon source, it is difficult to ensure that in low carbon-nitrogen ratio sewage total nitrogen removal.Simultaneously as Chinese Ministry of Environmental Protection is proposed in city
City eliminates the requirement of bad five classes water body, and the removal of total nitrogen has become the challenge of maximum.
Sewage disposal technology is developed so far, how ensure effluent quality on the basis of, save power consumption, reduce chemical feeding quantity,
It is easy to maintain to turn into current research focus.Traditional aerobic activated sludge facture, processing sewage effect is good, but because using air blast
Aeration, power consumption is high, and blower fan needs periodic maintenance, requires high to operating personnel.Traditional biological spining disk method, although without using air blast
Machine, reduces power consumption and safeguards simple, but water outlet SS can not stably reach one-level A standards, more be unable to reach the class water of surface water four
Effluent criteria.
The excess sludge produced after sewage disposal, because moisture content is high, volume is big, disposal is difficult, and can not enter as fertilizer
Enter food chain, have resulted in processing cost height, easily cause secondary pollution problems, therefore be badly in need of a kind of low sewage disposal of mud production rate
Method and apparatus.
It would therefore be highly desirable to seek a kind of new effective reduction power consumption, the class water of surface water four can be stably reached without additional carbon
Body standard, and excess sludge mud production rate low sewage water treatment method and device.
The content of the invention
Technical problem to be solved in the utility model is：A kind of internal carbon source that discharges is provided and reduces the dress that excess sludge is discharged
Put, can both realize the purification to sewage, the internal carbon source in sewage can be discharged again, generation excess sludge is few, and compact conformation,
Operating cost is low.
It is a kind of to discharge the device that internal carbon source reduces excess sludge discharge, including rotating disk nitration reaction pond, reaction draining spoil disposal
Compound pond, sterilization pool, sludge fermentation pond, water inlet pipe, outlet pipe, discharge pipeline, drive device and rotating disk main shaft, the rotating disk nitrification
Rotating disk main shaft is provided with the middle part of reaction tank；The rotating disk main shaft is parallel with the interior ground in rotating disk nitration reaction pond, rotating disk main shaft
It is connected with drive device, the outer cover of rotating disk main shaft is equipped with rotating disk sewage lifter and biological rotating disk；The rotating disk sewage is carried
Rise and be provided with elevator bucket and with mill weir on device；The reaction draining spoil disposal is combined pond by elevator bucket and with mill weir and rotating disk nitre
Change reaction tank connection, reaction draining spoil disposal, which is combined in the middle part of pond, is provided with transmission outlet pipe, and reaction draining spoil disposal is combined the upper of pond
Portion is installed with backwashing pump；The outer cover of the transmission outlet pipe is equipped with biological rotating disk and filter cloth rotating disk, is driven outlet pipe
One end be enclosed construction, transmission outlet pipe the other end be connected with sterilization pool；The filter cloth rotating disk replaces row with biological rotating disk
Flushing nozzle is provided with cloth, filter cloth rotating disk；The sterilization pool is internally provided with training wall, and the top of sterilization pool is fixedly mounted
There is salt to dissolve case and electrolysis chlorine dioxide generator；The salt dissolving outlet of case and entering for electrolysis chlorine dioxide generator
Mouth is fixedly connected；The outlet of the electrolysis chlorine dioxide generator is connected with sterilization pool；The sludge fermentation pond passes through pipeline
The bottom for being combined pond with reaction draining spoil disposal is connected, and sludge fermentation pond is internally provided with agitator, and sludge fermentation pond passes through pipe
Road and motor-driven valve are fixedly connected with rotating disk nitration reaction pond, and the bottom in sludge fermentation pond is provided with the discharge pipeline with valve；Institute
Water inlet pipe is stated to be fixedly connected with rotating disk nitration reaction pond by tubular static mixer；The rotating disk nitration reaction pond and dosing meter
Measure pump connection；The dosing measuring pump is fixedly connected with PAC dissolving casees.
The transmission outlet pipe is hexagon outlet pipe.
By above-mentioned design, the utility model can bring following beneficial effect：
Rationally, main drive device is only a low-power motor to the utility model precise structure, coordinates magnetic valve and turns
Disk device, you can complete oxygenation, lifting, draining claps the operation such as mud, energy consumption greatly reduces.
By the fermentation of excess sludge, by the secondary utilization of carbon source.Nitrification and denitrifying efficiency are improved, carbon is solved
The not enough influence to ammonia nitrogen removal frank in source.
While organics removal and total nitrogen, the utility model fiting chemical dephosphorization, filter cloth absorption, disinfection by chlorine dioxide
Water outlet can be stably reached《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002) one-level A standards.
Brief description of the drawings
The utility model is further described below in conjunction with the drawings and specific embodiments：
Fig. 1, which is that the utility model is a kind of, discharges the workflow schematic diagram that internal carbon source reduces the device of excess sludge discharge.
Fig. 2, which is that the utility model is a kind of, discharges the structural representation that internal carbon source reduces the device of excess sludge discharge.
Fig. 3, which is that the utility model is a kind of, discharges the device turntable sewage lifter that internal carbon source reduces excess sludge discharge
Structural representation.
Fig. 4 is that a kind of internal carbon source that discharges of the utility model reduces filter cloth rotating disk and flushing spray in the device that excess sludge is discharged
The structural representation of head.
1- rotating disks nitration reaction pond, the compound pond of 2- reaction draining spoil disposals, 3- sterilization pools, 4- sludge fermentations pond, 5- enter in figure
Water pipe, 6- outlet pipes, 7- discharge pipelines, 8- drive devices, 9- rotating disks main shaft, 102- rotating disks sewage lifter, 103- biologies turn
Disk, 201- transmissions outlet pipe, 202- filter clothes rotating disk, 203- backwashing pumps, 301- training walls, 302- salt dissolving case, 303- electrolysis
Method chlorine dioxide generator, 401- agitators, 402- motor-driven valves, 501-PAC dissolvings case, 502- dosings measuring pump, 503- tubular types
Static mixer, 1021- elevator buckets, 1022- match somebody with somebody mill weir, 2021- Flushing nozzles.
Embodiment
The device that internal carbon source reduces excess sludge discharge is discharged as illustrated, a kind of, including it is rotating disk nitration reaction pond 1, anti-
Draining spoil disposal is answered to be combined pond 2, sterilization pool 3, sludge fermentation pond 4, water inlet pipe 5, outlet pipe 6, discharge pipeline 7, drive device 8 and rotating disk
Main shaft 9, the middle part in the rotating disk nitration reaction pond 1 is provided with rotating disk main shaft 9；The rotating disk main shaft 9 and rotating disk nitration reaction pond 1
Interior ground it is parallel, rotating disk main shaft 9 is connected with drive device 8, and the outer cover of rotating disk main shaft 9 is equipped with rotating disk sewage lifter
102 and biological rotating disk 103；Elevator bucket 1021 is provided with the rotating disk sewage lifter 102 and with mill weir 1022；It is described anti-
Answer draining spoil disposal to be combined pond 2 to be connected with rotating disk nitration reaction pond 1 by elevator bucket 1021 and with mill weir 1022, react draining spoil disposal
The middle part in compound pond 2 is provided with transmission outlet pipe 201, and the top that reaction draining spoil disposal is combined pond 2 is installed with backwashing pump
203；The outer cover of the transmission outlet pipe 201 is equipped with biological rotating disk 103 and filter cloth rotating disk 202, is driven one end of outlet pipe 201
For enclosed construction, the other end of transmission outlet pipe 201 is connected with sterilization pool 3；The filter cloth rotating disk 202 is handed over biological rotating disk 103
For arrangement, Flushing nozzle 2021 is provided with filter cloth rotating disk 202；The sterilization pool 3 is internally provided with training wall 301, sterilization
The top in pond 3 is installed with salt dissolving case 302 and electrolysis chlorine dioxide generator 303；The salt dissolves the outlet of case 302
It is fixedly connected with the entrance of electrolysis chlorine dioxide generator 303；The outlet of the electrolysis chlorine dioxide generator 303 is with disappearing
Malicious pond 3 is connected；The sludge fermentation pond 4 is connected by pipeline with the bottom that reaction draining spoil disposal is combined pond 2, sludge fermentation pond 4
Be internally provided with agitator 401, sludge fermentation pond 4, which passes through pipeline and motor-driven valve 402, to be fixed with rotating disk nitration reaction pond 1 and connects
Connect, the bottom in sludge fermentation pond 4 is provided with the discharge pipeline 7 with valve；The water inlet pipe 5 by tubular static mixer 503 with
Rotating disk nitration reaction pond 1 is fixedly connected；The rotating disk nitration reaction pond 1 is connected with dosing measuring pump 502；The dosing measuring pump
502 are fixedly connected with PAC dissolving casees 501.
The transmission outlet pipe 201 is hexagon outlet pipe.
The utility model is integrated equipment, compact conformation, and material is fiberglass.
Agent structure is divided into four regions, respectively rotating disk nitration reaction pond 1, and reaction draining spoil disposal is combined pond 2, sterilization pool
3 and sludge fermentation pond 4.
Rotating disk nitration reaction pond 1, available depth is the 7/10 of biological rotating disk 103, can make the biomembrane on biological rotating disk 103
Fully and air contact, oxygen is exchanged.For oxidation Decomposition organic matter, remove COD and sufficient oxygen is provided.And occur in this region
Nitration reaction is by the effect of aerobic nitrification bacterium, by the NH in waste water3- N is oxidized to NO2 -- N or NO3 --N.Sewage is nitrified from rotating disk
Reaction tank 1 enters reaction draining spoil disposal and is combined pond 2, is completed by rotating disk sewage lifter 102, rotating disk sewage lifter 102
It is connected on rotating disk main shaft 9, is made up of some elevator buckets 1021, sewage arrives high point, overflow water distribution by the lifting of elevator bucket 1021
Weir 1022 enters reaction draining spoil disposal and is combined pond 2.Water inlet enters into and through tubular static mixer 503 and PAC by water inlet pipe 5
Solution is mixed, and forms insoluble calcium phosphate precipitation thing, and the filtering through filter cloth rotating disk 202 is discharged by excess sludge, reached
The purpose of chemical dephosphorization.
React draining spoil disposal and be combined pond 2, be full submergence biological rotating disk 103, the whole district is the environment of anoxic, utilizes denitrifying bacterium
By NO2 -- N and NO3 -- N is reduced to N2, escaped from waste water.Biological rotating disk 103 is alternately arranged with filter cloth rotating disk 202, filter cloth washing
Under biomembrane partial suspended in water, the environment of anoxic can be effectively formed, be conducive to the growth of rotating disk denitrifying bacteria, have
The denitrifying efficiency of raising of effect.Sewage is discharged by the hexagon transmission outlet pipe 201 that is filtered through of filter cloth rotating disk 202, is taken off
The biomembrane fallen is combined pond 2 in reaction draining spoil disposal and is deposited in bottom, and bottom is connected with sludge fermentation pond 4, and is arranged by pressure
Enter sludge fermentation pond 4 to be fermented.
Sterilization pool 3 makes sewage be contacted with chlorine dioxide, and centre is provided with training wall 301 to meet time of contact.Chlorine dioxide
Raw material is Nacl, it is only necessary to which chlorine dioxide can be automatically generated by pouring into Nacl in salt dissolving case 302.Prepared more compared to chemical method
For safety.
Sludge fermentation pond 4, carries out sludge anaerobic fermentation.Fermentation time is 9 hours~20 hours, and stirring is opened when fermentation
Magnetic valve 402 is automatically turned on after device 401, fermentation ends, the product after fermentation, it is anti-that the overweight power of its supernatant flows into rotating disk nitrification
Answer pond 1, the carbon source needed for supplement denitrification process.Sludge volume after by fermentation reduces 20%.Draining spoil disposal is reacted to be combined
The sludge of the bottom of pond 2 is discharged into sludge fermentation pond 4 in the presence of hydraulic pressure, and this process is without extra lifting device.
Hexagon transmission outlet pipe 201 is discharged into sterilization pool 3, and the micro- life of cause of disease in sewage is removed by being contacted with chlorine dioxide
Thing, finally reaches the discharge of the class water body standard of surface water four.
Dissolving case 501, salt dissolving case 302 are arranged on the top of sterilization pool 3, are arranged with rotating disk nitration reaction pond 1 and reaction
Water spoil disposal is combined pond 2 in same plane, saves space.
The utility model is integrated with electrolysis chlorine dioxide generator 303, it is only necessary to add Nacl, according to going out regimen
Condition automatically generates chlorine dioxide.
Claims (2)
1. a kind of discharge the device that internal carbon source reduces excess sludge discharge, it is characterized in that：Including rotating disk nitration reaction pond (1), instead
Draining spoil disposal is answered to be combined pond (2), sterilization pool (3), sludge fermentation pond (4), water inlet pipe (5), outlet pipe (6), discharge pipeline (7), drive
Rotating disk main shaft (9) is provided with the middle part of dynamic device (8) and rotating disk main shaft (9), the rotating disk nitration reaction pond (1)；The rotating disk
Main shaft (9) is parallel with the interior ground in rotating disk nitration reaction pond (1), and rotating disk main shaft (9) is connected with drive device (8), rotating disk main shaft
(9) outer cover is equipped with rotating disk sewage lifter (102) and biological rotating disk (103)；The rotating disk sewage lifter (102)
On be provided with elevator bucket (1021) and with mill weir (1022)；The reaction draining spoil disposal is combined pond (2) and passes through elevator bucket (1021)
It is connected with mill weir (1022) with rotating disk nitration reaction pond (1), reaction draining spoil disposal is combined to be provided with the middle part of pond (2) and is driven out
Water pipe (201), the top that reaction draining spoil disposal is combined pond (2) is installed with backwashing pump (203)；The transmission outlet pipe
(201) outer cover is equipped with biological rotating disk (103) and filter cloth rotating disk (202), and one end of transmission outlet pipe (201) is tied for closing
Structure, the other end of transmission outlet pipe (201) is connected with sterilization pool (3)；The filter cloth rotating disk (202) is handed over biological rotating disk (103)
For arrangement, Flushing nozzle (2021) is provided with filter cloth rotating disk (202)；The sterilization pool (3) is internally provided with training wall
(301), the top of sterilization pool (3) is installed with salt dissolving case (302) and electrolysis chlorine dioxide generator (303)；It is described
The outlet of salt dissolving case (302) is fixedly connected with the entrance of electrolysis chlorine dioxide generator (303)；The electrolysis titanium dioxide
The outlet of chlorine generator (303) is connected with sterilization pool (3)；The sludge fermentation pond (4) is answered by pipeline with reaction draining spoil disposal
The bottom connection of pond (2) is closed, sludge fermentation pond (4) are internally provided with agitator (401), and sludge fermentation pond (4) pass through pipeline
And motor-driven valve (402) is fixedly connected with rotating disk nitration reaction pond (1), the bottom of sludge fermentation pond (4) is provided with valve
Discharge pipeline (7)；The water inlet pipe (5) is fixedly connected by tubular static mixer (503) with rotating disk nitration reaction pond (1)；Institute
Rotating disk nitration reaction pond (1) is stated to be connected with dosing measuring pump (502)；The dosing measuring pump (502) and PAC dissolving casees (501)
It is fixedly connected.
2. a kind of internal carbon source that discharges according to claim 1 reduces the device that excess sludge is discharged, it is characterized in that：It is described to pass
Dynamic outlet pipe (201) is hexagon outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228757.5U CN206529384U (en) | 2017-03-10 | 2017-03-10 | It is a kind of to discharge the device that internal carbon source reduces excess sludge discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228757.5U CN206529384U (en) | 2017-03-10 | 2017-03-10 | It is a kind of to discharge the device that internal carbon source reduces excess sludge discharge |
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| Publication Number | Publication Date |
|---|---|
| CN206529384U true CN206529384U (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720228757.5U Active CN206529384U (en) | 2017-03-10 | 2017-03-10 | It is a kind of to discharge the device that internal carbon source reduces excess sludge discharge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626568A (en) * | 2018-12-14 | 2019-04-16 | 桑德集团有限公司 | The modularization biological rotating disk multistage series sys-tems of deep treatment of domestic sewage |
-
2017
- 2017-03-10 CN CN201720228757.5U patent/CN206529384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626568A (en) * | 2018-12-14 | 2019-04-16 | 桑德集团有限公司 | The modularization biological rotating disk multistage series sys-tems of deep treatment of domestic sewage |
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