CN109020145A - A kind of processing unit of phosphorus containing sludge - Google Patents
A kind of processing unit of phosphorus containing sludge Download PDFInfo
- Publication number
- CN109020145A CN109020145A CN201811018167.5A CN201811018167A CN109020145A CN 109020145 A CN109020145 A CN 109020145A CN 201811018167 A CN201811018167 A CN 201811018167A CN 109020145 A CN109020145 A CN 109020145A
- Authority
- CN
- China
- Prior art keywords
- reaction kettle
- phosphorus
- troughing
- feed opening
- connecting tube
- 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.)
- Granted
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 82
- 239000011574 phosphorus Substances 0.000 title claims abstract description 82
- 239000010802 sludge Substances 0.000 title claims abstract description 61
- 230000020477 pH reduction Effects 0.000 claims abstract description 41
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 28
- 239000002002 slurry Substances 0.000 claims abstract description 23
- 239000010865 sewage Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 18
- 238000005360 mashing Methods 0.000 claims description 14
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 claims description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 12
- 238000003825 pressing Methods 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 239000000706 filtrate Substances 0.000 abstract description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 6
- 239000000047 product Substances 0.000 abstract description 6
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000013049 sediment Substances 0.000 abstract description 4
- 229910019142 PO4 Inorganic materials 0.000 abstract description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 3
- 239000010452 phosphate Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
Abstract
The invention discloses a kind of processing units of phosphorus containing sludge, including troughing, grid pond, acidification reaction kettle, filter press, phosphorus reaction kettle and heavy metal reaction kettle, the troughing, the grid pond, the acidification reaction kettle, the filter press, the phosphorus reaction kettle and the heavy metal reaction kettle are from left to right sequentially connected.The utility model has the advantages that making phosphorus containing sludge obtain adequately stirring by the way that phosphorus containing sludge to be delivered in the troughing and breaing up, and pass through the grid pond filtration machinery impurity；Then, phosphorus containing sludge is pumped inside acidification reaction kettle described in people, the pH value that phosphoric acid adjusts slurry is added, the sludge slurry after acidification removal of impurities is pumped into filters pressing in the filter press again, half product of phosphate is obtained, then remaining filtrate is subjected to the techniques such as dephosphorization, filters pressing, obtains phosphorous sediment, and then the phosphorus in sludge is recycled, greatly improve the rate of recovery of the phosphorus in phosphorus containing sludge.
Description
Technical field
The present invention relates to technical field of sludge treatment, it particularly relates to a kind of processing unit of phosphorus containing sludge.
Background technique
Phosphorus be it is a kind of it is important be difficult to regenerated nonmetal mineral resource, be the essential and basic nutrition member of the activity of sustaining life
One of element.Phosphorus is listed in one of 20 Mineral Resources that China is not able to satisfy national economic development needs.In addition, with sewage discharge
The nutrients such as phosphorus the problem of causing water eutrophication get worse, serious pollution is caused to water body, becomes current weight
The environmental problem wanted.Most of phosphorus can only be stored in the body of biology with essential elements, finally carried out in the form of excess sludge
Discharge.
Currently, being combined frequently with acidification with microwave radiation, squeezing-filtering-is aerated, is detested in the technology recycling of phosphorus containing sludge
Phosphorus, is discharged into supernatant by the methods of oxygen heating as far as possible, and the rich phosphorus supernatant by separation of solid and liquid is carried out using sedimentation
Processing obtains phosphorous sediment, and then realizes the recycling of phosphorus.But when putting the recycling of method progress phosphorus containing sludge using these, contain
The release concentration of phosphorus is limited in phosphorus sludge, keeps the recovery efficiency of phosphorus containing sludge lower.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of processing unit of phosphorus containing sludge, to overcome existing correlation
Above-mentioned technical problem present in technology.
The technical scheme of the present invention is realized as follows:
A kind of processing unit of phosphorus containing sludge, including troughing, grid pond, acidification reaction kettle, filter press, phosphorus reaction kettle and
Heavy metal reaction kettle, the troughing, the grid pond, the acidification reaction kettle, the filter press, the phosphorus reaction kettle and institute
It states heavy metal reaction kettle to be from left to right sequentially connected, wherein the side of the troughing is equipped with feed pipe, the mashing bottom of pond portion
Center position have rotating electric machine, be fixedly connected at the rotating electric machine and the troughing bottom centre position, institute
The output end for stating rotating electric machine is fixedly connected with rotary shaft, is socketed with swivel mount in the middle part of the rotary shaft, in the swivel mount
Horizontally disposed mashing axis is installed, the troughing is equipped with connecting tube far from the side of the feed pipe, and connecting tube is separate
The side of the troughing is connected with the grid pond, and the grid pond is cylindrical-shaped structure, set in the grid pond there are two
Grid, the grid are fixed on the grid pond inner wall surrounding by fastener, and the grid pond is far from the troughing
Side is connected to the acidification reaction kettle by conduit, and the top of the acidification reaction kettle is equipped with lid, the top of the lid
Motor is installed, the output end of the motor is connected with agitating shaft, and the agitating shaft passes perpendicularly through the lid and extends to institute
The inside of acidification reaction kettle is stated, the lid is equipped with feed opening one and feed opening two, the feed opening one and the feed opening
Two are located at the two sides of the lid, and the conduit communicates with the feed opening one and extends to the bottom of the acidification reaction kettle
The bottom in portion, the acidification reaction kettle is equipped with outlet tube, and the outlet tube is connected with the input terminal of sludge slurry liquid pump, the dirt
The output end of mud liquid pump is connected with the filter press, and the filter press is fixed on the upper surface of blanking table, institute by pillar
The lower section for stating filter press is equipped with blanking port, and the lower section of the blanking port is equipped with mud cake blanking box, the filter press include thrust plate,
Filter plate and pressure plate, wherein for the filter plate between the thrust plate and the pressure plate, the thrust plate is located at the filter
The lower section of the left end of plate, the filter press is equipped with sewage pipe, and the sewage pipe is located at the top of the blanking port, the sewage pipe
On return pipe one is installed, the return pipe one is connected with the troughing, and the sewage pipe is also and on the phosphorus reaction kettle
Feed opening three be connected, the top of the phosphorus reaction kettle is equipped with motor one, and the output end of the motor one is connected with described stir
Axis one is mixed, the agitating shaft one passes through the inside that lid extends to the phosphorus reaction kettle together, and the feed opening three is located at described
On lid one, and the other side of the relatively described lid one of the feed opening three is equipped with feed opening four, phosphorus reaction bottom portion
Outlet end is connected with tee tube, and the tee tube is connected with the feed opening five on the heavy metal reaction kettle, described heavy
The top of metal reaction kettle is equipped with motor two, and the output end of the motor two is connected with the agitating shaft two, the agitating shaft two
Across lid two and extend to the bottom of the heavy metal reaction kettle, and the other side of the relatively described lid two of the feed opening five
Equipped with feed opening six, the bottom end of the heavy metal reaction kettle is connected with return pipe two, the return pipe two and the sludge slurries
The input terminal of pump is connected.
Further, the two sides of the mashing axis are successively opposite is welded with horizontally disposed mashing tooth, the mashing tooth
Quantity is several.
Further, the grid is circular configuration, and is made of in the grid criss-cross steel wire.
Further, the two sides of the agitating shaft, the agitating shaft one and the agitating shaft two are equipped with a pair of of agitating paddle.
Further, the bottom end of the mud cake blanking box is placed with pallet.
Further, control valve one is equipped between the outlet tube and the input terminal of the sludge slurry liquid pump.
Further, the conduit is equipped with peristaltic pump.
Further, the return pipe one is equipped with control valve two, is equipped with control valve three on the sewage pipe.
Further, the tee tube includes connecting tube one, connecting tube two and connecting tube three, the connecting tube one, described
Connecting tube two and the connecting tube three are integrally formed, and the connecting tube one is connected with the outlet end of the phosphorus reaction kettle, described
Connecting tube two is connected with the feed opening five, and the connecting tube three is connected with the return pipe two.
Further, control valve four is installed in the connecting tube two, control valve is installed in the connecting tube three
Five.
Beneficial effects of the present invention: by the way that phosphorus containing sludge to be delivered in the troughing, obtain phosphorus containing sludge sufficiently
Stirring break up, and pass through the grid pond filtration machinery impurity；Then, phosphorus containing sludge is pumped in acidification reaction kettle described in people
Portion is added the pH value that phosphoric acid adjusts slurry, then the sludge slurry after acidification removal of impurities is pumped into filters pressing in the filter press, obtains phosphoric acid
Half product of salt, then remaining filtrate is subjected to the techniques such as dephosphorization, filters pressing, phosphorous sediment is obtained, and then recycle the phosphorus in sludge,
Greatly improve the rate of recovery of the phosphorus in phosphorus containing sludge.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the processing unit of phosphorus containing sludge according to an embodiment of the present invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is a kind of process flow chart of the processing unit of phosphorus containing sludge according to an embodiment of the present invention.
In figure:
1, troughing；2, feed pipe；3, it is beaten tooth；4, swivel mount；5, rotating electric machine；6, it is beaten axis；7, rotary shaft；8, lattice
Aperture plate；9, grid pond；10, fastener；11, peristaltic pump；12, feed opening one；13, lid；14, motor；15, feed opening two；16, it controls
Valve one processed；17, acidification reaction kettle；18, agitating shaft；19, outlet tube；20, agitating paddle；21, sludge slurry liquid pump；22, return pipe
One；23, return pipe two；24, filter press；25, thrust plate；26, filter plate；27, pressure plate；28, sewage pipe；29, blanking table；30,
Blanking port；31, pallet；32, mud cake blanking box；33, waste pipe；34, control valve two；35, control valve three；36, control valve
Door five；37, connecting tube three；38, feed opening three；39, motor one；40, feed opening four；42, phosphorus reaction kettle；43, agitating shaft one；
44, connecting tube one；45, heavy metal reaction kettle；46, agitating shaft two；47, lid two；48, feed opening six；49, motor two；50, add
Material mouth five；51, connecting tube two；52, control valve four；53, conduit；54, tee tube.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of processing unit of phosphorus containing sludge.
As shown in Figure 1-3, the processing unit of phosphorus containing sludge according to an embodiment of the present invention, including troughing 1, grid pond 9,
Acidification reaction kettle 17, filter press 24, phosphorus reaction kettle 42 and heavy metal reaction kettle 45, it is the troughing 1, the grid pond 9, described
Acidification reaction kettle 17, the filter press 24, the phosphorus reaction kettle 42 and the heavy metal reaction kettle 45 are from left to right sequentially connected,
Wherein, the side of the troughing 1 is equipped with feed pipe 2, and the center position of 1 bottom of troughing has rotating electric machine 5,
It is fixedly connected at the rotating electric machine 5 and 1 bottom centre position of troughing, the output end of the rotating electric machine 5 is fixed to be connected
It is connected to rotary shaft 7, the middle part of the rotary shaft 7 is socketed with swivel mount 4, is equipped with horizontally disposed mashing in the swivel mount 4
Axis 6, the troughing 1 are equipped with connecting tube, and side of the connecting tube far from the troughing 1 far from the side of the feed pipe 2
It is connected with the grid pond 9, the grid pond 9 is cylindrical-shaped structure, sets that there are two grid 8, the lattice in the grid pond 9
Aperture plate 8 is fixed on the 9 inner wall surrounding of grid pond by fastener 10, and the grid pond 9 passes through far from the side of the troughing 1
Conduit is connected to the acidification reaction kettle 17, and the top of the acidification reaction kettle 17 is equipped with lid 13, the top of the lid 13
Motor 14 is installed, the output end of the motor 14 is connected with agitating shaft 18, and the agitating shaft 18 passes perpendicularly through the lid 13
And the inside of the acidification reaction kettle 17 is extended to, the lid 13 is equipped with feed opening 1 and feed opening 2 15, described to add
Material mouth 1 and the feed opening 2 15 are located at the two sides of the lid 13, the conduit 53 and one 12 phase of feed opening
Lead to and extend to the bottom of the acidification reaction kettle 17, the bottom of the acidification reaction kettle 17 is equipped with outlet tube 19, the liquid out
Pipe 19 is connected with the input terminal of sludge slurry liquid pump 21, and the output end of the sludge slurry liquid pump 21 is connected with the filter press 24
It connecing, the filter press 24 is fixed on the upper surface of blanking table 29 by pillar, and the lower section of the filter press 24 is equipped with blanking port 30,
The lower section of the blanking port 30 is equipped with mud cake blanking box 32, and the filter press 24 includes thrust plate 25, filter plate 26 and pressure plate 27,
Wherein, for the filter plate 26 between the thrust plate 25 and the pressure plate 27, the thrust plate 25 is located at the filter plate 26
Left end, the lower section of the filter press 24 is equipped with sewage pipe 28, and the sewage pipe 28 is located at the top of the blanking port 30, described
Return pipe 1 is installed on sewage pipe 28, the return pipe 1 is connected with the troughing 1, the sewage pipe 28 also with
Feed opening 3 38 on the phosphorus reaction kettle 42 is connected, and the top of the phosphorus reaction kettle 42 is equipped with motor 1, the motor
One 39 output end is connected with the agitating shaft 1, and the agitating shaft 1 passes through lid 1 and extends to the phosphorus reaction
The inside of kettle 42, the feed opening 3 38 are located on the lid 1, and the relatively described lid 1 of the feed opening 3 38
The other side be equipped with feed opening 4 40, the outlet end of 42 bottom of phosphorus reaction kettle is connected with tee tube 54, the tee tube 54
It is connected with the feed opening 5 50 on the heavy metal reaction kettle 45, the top of the heavy metal reaction kettle 45 is equipped with motor
2 49, the output end of the motor 2 49 is connected with the agitating shaft 2 46, and the agitating shaft 2 46 passes through lid 2 47 and prolongs
The bottom of the heavy metal reaction kettle 45 is extended to, and the other side of the relatively described lid 2 47 of the feed opening 5 50 is equipped with charging
Mouth 6 48, the bottom end of the heavy metal reaction kettle 45 are connected with return pipe 2 23, the return pipe 2 23 and the sludge slurries
The input terminal of pump 21 is connected.
In one embodiment, the two sides of the mashing axis 6 are successively opposite is welded with horizontally disposed mashing tooth 3, described
The quantity for being beaten tooth 3 is several.
In one embodiment, the grid 8 is circular configuration, and by criss-cross steel wire in the grid 8
Composition.
In one embodiment, the two sides of the agitating shaft 18, the agitating shaft 1 and the agitating shaft 2 46 are all provided with
There is a pair of of agitating paddle 20.
In one embodiment, the bottom end of the mud cake blanking box 32 is placed with pallet 31.
In one embodiment, control valve is equipped between the outlet tube 19 and the input terminal of the sludge slurry liquid pump 21
One 16.
In one embodiment, the conduit 53 is equipped with peristaltic pump 11.
In one embodiment, the return pipe 1 is equipped with control valve 2 34, is equipped on the sewage pipe 28
Control valve 3 35.
In one embodiment, the tee tube 54 includes connecting tube 1, connecting tube 2 51 and connecting tube 3 37, described
Connecting tube 1, the connecting tube 2 51 and the connecting tube 3 37 are integrally formed, the connecting tube 1 and the phosphorus reaction
The outlet end of kettle 42 is connected, and the connecting tube 2 51 is connected with the feed opening 5 50, the connecting tube 3 37 with it is described
Return pipe 2 23 is connected.
In one embodiment, control valve 4 52 is installed in the connecting tube 2 51, is pacified in the connecting tube 3 37
Equipped with control valve 5 36.
In the specific implementation, which includes the next steps:
Phosphorus containing sludge is delivered in the troughing 1, by starting the rotating electric machine 5, it is sufficiently stirred
With break up, and pass through the 9 filtration machinery impurity of grid pond；
Phosphorus containing sludge after mashing is pumped into the acidification reaction kettle 17, it is 5.0 that phosphoric acid, which is then added, and adjusts slurry PH,
Reaction one hour, carries out acidification removal of impurities.
Sludge slurry liquid pump after acidification removal of impurities is entered into progress filters pressing processing in the filter press 24, obtained filter cake is phosphoric acid
Half product of salt and filtrate, part of filtrate are used for reuse pulping process, are connected with the troughing 1.
Indirect heating is carried out to half product of phosphate using microwave dryer, dewatered product is byproduct phosphoric acid
Salt.After condensing, concentration tail gas to exhaust tube discharges steam, and condensation waste liquid is discharged into waste water disposal facility.
The filtrate after 24 filters pressing of filter press is pumped into the phosphorus reaction kettle 42 again, and is added by the feed opening 4 40
Enter lime and start blender, reacts one hour.
Dephosphorization waste water is pumped into the heavy metal reaction kettle, and vulcanized sodium is added and starts by the feed opening 6 48 and stirs
Device is mixed, is reacted 1 hour.
By filters pressing in the waste water pump after removing heavy metals to the filter press 24, filter cake is inorganic residues, and outward transport disposition passes through
Filtrate is discharged into waste water processing station by the waste pipe 33.
By means of above-mentioned technical proposal of the invention, by troughing 1, grid pond 9, acidification reaction kettle 17, filter press 24,
Phosphorus reaction kettle 42 and heavy metal reaction kettle 45, the troughing 1, the grid pond 9, the acidification reaction kettle 17, the filters pressing
Machine 24, the phosphorus reaction kettle 42 and the heavy metal reaction kettle 45 are from left to right sequentially connected, wherein the one of the troughing 1
Side is equipped with feed pipe 2, and the center position of 1 bottom of troughing has a rotating electric machine 5, the rotating electric machine 5 with it is described
It is fixedly connected at 1 bottom centre position of troughing, the output end of the rotating electric machine 5 is fixedly connected with rotary shaft 7, the rotation
The middle part of axis 7 is socketed with swivel mount 4, horizontally disposed mashing axis 6 is equipped in the swivel mount 4, the troughing 1 is far from institute
The side for stating feed pipe 2 is equipped with connecting tube, and connecting tube is connected with the grid pond 9 far from the side of the troughing 1, described
Grid pond 9 is cylindrical-shaped structure, is set in the grid pond 9 there are two grid 8, the grid 8 is fixed on by fastener 10
The 9 inner wall surrounding of grid pond, side of the grid pond 9 far from the troughing 1 are connected to the acidification instead by conduit
Kettle 17 is answered, the top of the acidification reaction kettle 17 is equipped with lid 13, and the top of the lid 13 is equipped with motor 14, the motor
14 output end is connected with agitating shaft 18, and the agitating shaft 18 passes perpendicularly through the lid 13 and extends to the acidification reaction kettle
17 inside, the lid 13 are equipped with feed opening 1 and feed opening 2 15, the feed opening 1 and the feed opening two
15 are located at the two sides of the lid 13, and the conduit 53 communicates with the feed opening 1 and extends to the acidification reaction
The bottom of the bottom of kettle 17, the acidification reaction kettle 17 is equipped with outlet tube 19, and the outlet tube 19 is defeated with sludge slurry liquid pump 21
Enter end to be connected, the output end of the sludge slurry liquid pump 21 is connected with the filter press 24, and the filter press 24 passes through pillar
It is fixed on the upper surface of blanking table 29, the lower section of the filter press 24 is equipped with blanking port 30, and the lower section of the blanking port 30 is equipped with
Mud cake blanking box 32, the filter press 24 include thrust plate 25, filter plate 26 and pressure plate 27, wherein the filter plate 26 is located at institute
It states between thrust plate 25 and the pressure plate 27, the thrust plate 25 is located at the left end of the filter plate 26, the filter press 24
Lower section is equipped with sewage pipe 28, and the sewage pipe 28 is located at the top of the blanking port 30, is equipped with reflux on the sewage pipe 28
Pipe 1, the return pipe 1 are connected with the troughing 1, the sewage pipe 28 also on the phosphorus reaction kettle 42 plus
Material mouth 3 38 is connected, and the top of the phosphorus reaction kettle 42 is equipped with motor 1, and the output end connection of the motor 1 is
Agitating shaft 1 is stated, the agitating shaft 1 passes through lid 1 and extends to the inside of the phosphorus reaction kettle 42, the charging
Mouth 3 38 is located on the lid 1, and the other side of the relatively described lid 1 of the feed opening 3 38 is equipped with feed opening four
40, the outlet end of 42 bottom of phosphorus reaction kettle is connected with tee tube 54, the tee tube 54 and the heavy metal reaction kettle 45
On the feed opening 5 50 be connected, the top of the heavy metal reaction kettle 45 is equipped with motor 2 49, the motor 2 49
Output end is connected with the agitating shaft 2 46, and the agitating shaft 2 46 passes through lid 2 47 and extends to the heavy metal reaction kettle
45 bottom, and the other side of the relatively described lid 2 47 of the feed opening 5 50 is equipped with feed opening 6 48, the heavy metal is anti-
The bottom end of kettle 45 is answered to be connected with return pipe 2 23, the return pipe 2 23 is connected with the input terminal of the sludge slurry liquid pump 21.
In conclusion beneficial effects of the present invention: by the way that phosphorus containing sludge to be delivered in the troughing 1, making phosphorous dirt
Mud is obtained adequately stirring and be broken up, and passes through the 9 filtration machinery impurity of grid pond；Then, phosphorus containing sludge is pumped described in people
Inside acidification reaction kettle 17, the pH value that phosphoric acid adjusts slurry is added, then the sludge slurry after acidification removal of impurities is pumped into the filter press
Filters pressing in 21 obtains half product of phosphate, then remaining filtrate is carried out the techniques such as dephosphorization, filters pressing, obtains phosphorous sediment, into
And the phosphorus in sludge is recycled, greatly improve the rate of recovery of the phosphorus in phosphorus containing sludge.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of processing unit of phosphorus containing sludge, which is characterized in that including troughing (1), grid pond (9), acidification reaction kettle
(17), filter press (24), phosphorus reaction kettle (42) and heavy metal reaction kettle (45), the troughing (1), the grid pond (9), institute
State acidification reaction kettle (17), the filter press (24), the phosphorus reaction kettle (42) and the heavy metal reaction kettle (45) from a left side to
The right side is sequentially connected, wherein the side of the troughing (1) is equipped with feed pipe (2), the center of troughing (1) bottom
Place has rotating electric machine (5), is fixedly connected at the rotating electric machine (5) and the troughing (1) bottom centre position, described
The output end of rotating electric machine (5) is fixedly connected with rotary shaft (7), is socketed with swivel mount (4), institute in the middle part of the rotary shaft (7)
It states and horizontally disposed mashing axis (6) is installed in swivel mount (4), the troughing (1) sets far from the side of the feed pipe (2)
There is connecting tube, and connecting tube is connected with the grid pond (9) far from the side of the troughing (1), the grid pond (9) is circle
Column structure, the grid pond (9) is interior to be set there are two grid (8), and the grid (8) is fixed on described by fastener (10)
Grid pond (9) inner wall surrounding, the grid pond (9) are connected to the acidification by conduit far from the side of the troughing (1)
The top of reaction kettle (17), the acidification reaction kettle (17) is equipped with lid (13), and the top of the lid (13) is equipped with motor
(14), the output end of the motor (14) is connected with agitating shaft (18), and the agitating shaft (18) passes perpendicularly through the lid (13)
And the inside of the acidification reaction kettle (17) is extended to, the lid (13) is equipped with feed opening one (12) and feed opening two
(15), the feed opening one (12) and the feed opening two (15) are located at the two sides of the lid (13), the conduit
(53) bottom of the acidification reaction kettle (17), the acidification reaction kettle (17) are communicated and extended to the feed opening one (12)
Bottom be equipped with outlet tube (19), the outlet tube (19) is connected with the input terminal of sludge slurry liquid pump (21), the sludge slurry
The output end of liquid pump (21) is connected with the filter press (24), and the filter press (24) is fixed on blanking table (29) by pillar
Upper surface, the lower section of the filter press (24) is equipped with blanking port (30), and the lower section of the blanking port (30) is equipped with mud cake blanking
Case (32), the filter press (24) include thrust plate (25), filter plate (26) and pressure plate (27), wherein filter plate (26) position
Between the thrust plate (25) and the pressure plate (27), the thrust plate (25) is located at the left end of the filter plate (26), institute
The lower section for stating filter press (24) is equipped with sewage pipe (28), and the sewage pipe (28) is located at the top of the blanking port (30), described
Return pipe one (22) is installed, the return pipe one (22) is connected with the troughing (1), the blowdown on sewage pipe (28)
Pipe (28) is also connected with the feed opening three (38) on the phosphorus reaction kettle (42), and the top of the phosphorus reaction kettle (42) is equipped with electricity
Machine one (39), the output end of the motor one (39) are connected with the agitating shaft one (43), and the agitating shaft one (43) passes through lid
Body one (41) and the inside for extending to the phosphorus reaction kettle (42), the feed opening three (38) are located on the lid one (41),
And the other side of the relatively described lid one (41) of the feed opening three (38) is equipped with feed opening four (40), the phosphorus reaction kettle (42)
The outlet end of bottom is connected with tee tube (54), the charging on the tee tube (54) and the heavy metal reaction kettle (45)
Five (50) of mouth are connected, and the top of the heavy metal reaction kettle (45) is equipped with motor two (49), the output of the motor two (49)
End is connected with the agitating shaft two (46), and the agitating shaft two (46) passes through lid two (47) and extends to the heavy metal reaction
The bottom of kettle (45), and the other side of the relatively described lid two (47) of the feed opening five (50) is equipped with feed opening six (48), institute
The bottom end for stating heavy metal reaction kettle (45) is connected with return pipe two (23), the return pipe two (23) and the sludge slurry liquid pump
(21) input terminal is connected.
2. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that the two of mashing axis (6)
Side is successively opposite to be welded with horizontally disposed mashing tooth (3), and the quantity of mashing tooth (3) is several.
3. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that the grid (8) is circle
Shape structure, and be made of in the grid (8) criss-cross steel wire.
4. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that the agitating shaft (18), institute
The two sides for stating agitating shaft one (43) and the agitating shaft two (46) are equipped with a pair of of agitating paddle (20).
5. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that the mud cake blanking box (32)
Bottom end be placed with pallet (31).
6. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that the outlet tube (19) and institute
It states and is equipped with control valve one (16) between the input terminal of sludge slurry liquid pump (21).
7. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that the conduit (53) is equipped with
Peristaltic pump (11).
8. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that on the return pipe one (22)
Equipped with control valve two (34), control valve three (35) is installed on the sewage pipe (28).
9. a kind of processing unit of phosphorus containing sludge according to claim 1, which is characterized in that the tee tube (54) includes
Connecting tube one (44), connecting tube two (51) and connecting tube three (37), the connecting tube one (44), the connecting tube two (51) and institute
Connecting tube three (37) integrated molding is stated, the connecting tube one (44) is connected with the outlet end of the phosphorus reaction kettle (42), described
Connecting tube two (51) is connected with the feed opening five (50), and the connecting tube three (37) is connected with the return pipe two (23)
It connects.
10. a kind of processing unit of phosphorus containing sludge according to claim 9, which is characterized in that the connecting tube two (51)
On control valve four (52) is installed, control valve five (36) is installed on the connecting tube three (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018167.5A CN109020145B (en) | 2018-09-03 | Treatment device for phosphorus-containing sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018167.5A CN109020145B (en) | 2018-09-03 | Treatment device for phosphorus-containing sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109020145A true CN109020145A (en) | 2018-12-18 |
| CN109020145B CN109020145B (en) | 2024-05-14 |
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| KR20140131272A (en) * | 2013-05-02 | 2014-11-12 | 하승수 | Sewage and wastewater treatment system with crystallization apparatus for phosphorus recovery |
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| JP2007261878A (en) * | 2006-03-28 | 2007-10-11 | Ngk Insulators Ltd | Method for recovering phosphorus from sludge incineration ash |
| CN101885571A (en) * | 2010-05-26 | 2010-11-17 | 北京伊普国际水务有限公司 | Processing system and method for recovering phosphorus from excess sludge obtained after municipal sewage treatment |
| KR101261232B1 (en) * | 2012-01-30 | 2013-05-07 | 안조환 | Sewage and wastewater treatment system with crystallization apparatus for phosphorus recovery |
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