CN209259819U - It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate - Google Patents
It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate Download PDFInfo
- Publication number
- CN209259819U CN209259819U CN201821366876.8U CN201821366876U CN209259819U CN 209259819 U CN209259819 U CN 209259819U CN 201821366876 U CN201821366876 U CN 201821366876U CN 209259819 U CN209259819 U CN 209259819U
- Authority
- CN
- China
- Prior art keywords
- sludge
- reactor
- aeration
- phosphorus
- pipe
- 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.)
- Active
Links
Landscapes
- Removal Of Specific Substances (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to water-treatment technology field, it is related to a kind of being pumped into sludge-digestion liquid and sludge press filtration filtrate in reactor from water inlet pipe for sludge-digestion liquid and the phosphorus of sludge filtrate recycling integrated apparatus and its method, the water pump；Inside reactor sets gradually rock phosphate in powder crystal region, clarifying contaminated liquids area, sludge settling area from top to bottom, reactor bottom offers sludge pipe, reaction, which is located above sludge pipe, is provided with aerator, and the ammonium magnesium phosphate crystal region above aerator is provided with stainless steel plate；Reactor upper section surface slope is 30 ° to 60 °, and reactor upper section periphery is clarifying contaminated liquids area, and clarifying contaminated liquids area periphery is connected to effluent weir, and effluent weir is connected to outlet pipe and liquid is drained by outlet pipe；Reactor is provided with automatic medicine adding apparatus and pH meter.
Description
Technical field
The utility model designs water-treatment technology field, in particular to be a kind of for sludge-digestion liquid and sludge filtrate
Phosphorus recycles integrated apparatus.
Background technique
Phosphorus is a kind of non-renewable resource, extracts and derives from rock phosphate in powder, main by chemical fertilizer application and biology
Metabolism returns in the earth's crust, and according to current development rate, phosphor resource shortage will will affect the mankind and normally give birth to after the several years
Work is generated, therefore reclamation of phosphorus resource becomes more and more important.It is the effective of a kind of " turning waste into wealth " that phosphorus is recycled from sewage treatment
Form not only can effectively mitigate water eutrophication, but also alleviate the phosphor resource gradually lacked.
Sludge is inevitably generated using the sanitary sewage of Biochemical method, the sludge dewatering by digestion concentration is filtered
For general total phosphorus content in 1 ~ 10mg/L, ammonia-nitrogen content recycles phosphor resource in 100 ~ 600mg/L from sludge-digestion liquid in liquid
It is feasible.
Guanite is a kind of extremely difficult white crystal for being dissolved in water, can be used as slow-release fertilizer raw material, is rich in ammonia in sludge-digestion liquid
And phosphate anion, need to only supplement magnesium ion thereto can occur magnesium ammonium phosphate sediment reaction generation guanite precipitating, lead to
It crosses the method while recycling nitrogen phosphor resource.
Summary of the invention
The utility model provides a kind of integrated apparatus for sludge-digestion liquid recycling phosphorus.It is dirty to solve current life
Resource reclaim is difficult in sewage sludge, the problem of subsequent processing hardly possible, it has, and recycling phosphorus effect is good, high-efficient, secondary pollution is few, behaviour
Make and plant maintenance is simple, recycles the advantages that phosphate rock quality is good.
In order to solve the above technical problems, the utility model adopt the technical scheme that it is a kind of for sludge-digestion liquid and
The phosphorus of sludge filtrate recycles integrated apparatus, mainly includes water inlet pipe, aerator, stainless steel plate, sludge pipe, outlet pipe, dirt
Clarification of water area, effluent weir, ammonium magnesium phosphate crystal region, pH meter, sludge settling area, automatic medicine adding apparatus and water pump, it is characterised in that:
Sludge-digestion liquid and sludge press filtration filtrate are pumped into reactor by the water pump from water inlet pipe；Inside reactor from top to bottom according to
Secondary setting ammonium magnesium phosphate crystal region, clarifying contaminated liquids area, sludge settling area, reactor bottom offer sludge pipe, and reaction is located at row
It is provided with aerator above mud pipe, the ammonium magnesium phosphate crystal region above aerator is provided with stainless steel plate；Reactor upper section
Surface slope is 30 ° to 60 °, and reactor upper section periphery is clarifying contaminated liquids area, and clarifying contaminated liquids area periphery is connected to effluent weir, is discharged
Weir is connected to outlet pipe and liquid is drained by outlet pipe；Reactor is provided with automatic medicine adding apparatus and pH meter.
Specifically, two side external surface of stainless steel plate is at coarse shape, and it is arranged on stainless steel several equidistant
The through-hole of arrangement, several stainless steel plates are equidistantly arranged in ammonium magnesium phosphate crystal region.
Lead to specifically, the automatic medicine adding apparatus is broadly divided into liquid medicine case, controller and electrically operated valve composition, liquid medicine case
It crosses electrically operated valve and is connected to inside reactor, controller is electrically connected at electrically operated valve, the magnesium chloride of addition saturation in liquid medicine case
Solution.The dosage that magnesium chloride is determined according to the content of total phosphorus in sewage, total phosphorus content in sludge nitrification liquid in 1 ~ 10mg/L,
Dosage is according to Mg:P=1.3:1, and the additional amount of magnesium chloride solution is between 0.48 ~ 48mg/L, and specific value is by actual sewage
The content of total phosphorus determines.
Specifically, installing aerator in the reactor, aerator is electrically connected at pH meter, and aerator is by exposing
Gas disk and blower unit are at air blower is connected to aeration plate by aeration tube, and aeration plate is equipped with several stomatas.
Specifically, the aeration plate is made of inside and outside two aeration annulus and aeration disk, exhaust pipe is connected to aeration
Disk, aeration disk are connected to inside and outside two aeration annulus by several aeration tubes.
A method of recycling integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate, 1), from sludge digestion tank
The phosphorus-containing wastewater being collected into sludge filtration filtrate is entered in reactor by water pump from water inlet pipe, will be in sewage using aerator
Carbon dioxide stripping come out, to improve the pH of sewage, so that pH value of sewage water is reached 7-9 by control aeration intensity；2), automatic
Magnesium chloride solution is added into sewage for chemicals dosing plant, and total phosphorus content exists in 1-10mg/L, the content of ammonia nitrogen in sludge-digestion liquid
When existing simultaneously ammonium magnesium phosphate precipitation reaction will occur for 100-600mg/L, ammonia root, phosphate radical and magnesium ion in sewage；3),
Ammoniomagnesium phosphate crystal is on the stainless steel plate on aeration integrated device top, after reacting a period of time, after reaction reaches balance, takes
Stainless steel plate and in outer surface collection to impure less ammoniomagnesium phosphate crystal body out.
Specifically, magnesium chloride solution additive amount is related to N, P content in sewage, the ratio of magnesium and phosphorus is added by 1.3:1；It exposes
Device of air controls the pH value in reactor in 8-8.5.In sludge-digestion liquid 94% orthophosphates can be recycled by this method,
The composition of phosphatase ammonium precipitated product be 12% or so phosphorus, 9% or so magnesium, 5% or so nitrogen and 40% or so the crystallization water.It can
It is directly used in N, P slow release chemical fertilizer.
Compared with prior art, beneficial effect is:
The application realizes the recycling of nitrogen phosphor resource in sludge-digestion liquid, the phosphate anion in sludge-digestion liquid by with
Ammonium ion, magnesium ion form crystalline solid under conditions of pH 8-8.5, and the ammoniomagnesium phosphate crystal in sewage on stainless steel, leads to
Taking-up stainless steel plate is crossed to recycle phosphorus, the rate of recovery is 85% or more.
The application is to manufacture regions of turbulent flow on reactor top, conducive to the generation of magnesium ammonium phosphate sediment reaction, and by not
Steel plate become rusty to realize the recycling of phosphorus, the ammoniomagnesium phosphate crystal body impurity obtained in this way is less, the sludge pipe of reactor bottom setting
Sludge is transported to sludge concentration tank, the recycling of phosphorus can be undergone again, recycle phosphorus to the greatest extent；Bottom recycling phosphorus is set
Meter, the utility model do not need to do sludge-digestion liquid other processing, and simple process is easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Attached drawing mark explanation: water inlet pipe 1, aerator 2, stainless steel plate 3, sludge pipe 4, outlet pipe 5, clarifying contaminated liquids area 6,
Effluent weir 7, ammonium magnesium phosphate crystal region 8, pH meter 9, sludge settling area 10, automatic medicine adding apparatus 11, reactor 12 and water pump 13.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
In order to solve the above technical problems, the utility model adopt the technical scheme that it is a kind of for sludge-digestion liquid and
The phosphorus of sludge filtrate recycles integrated apparatus, mainly includes water inlet pipe, aerator, stainless steel plate, sludge pipe, outlet pipe, dirt
Clarification of water area, effluent weir, ammonium magnesium phosphate crystal region, pH meter, sludge settling area, automatic medicine adding apparatus and water pump, it is characterised in that:
Sludge-digestion liquid and sludge press filtration filtrate are pumped into reactor by the water pump from water inlet pipe；Inside reactor from top to bottom according to
Secondary setting ammonium magnesium phosphate crystal region, clarifying contaminated liquids area, sludge settling area, reactor bottom offer sludge pipe, and reaction is located at row
It is provided with aerator above mud pipe, the ammonium magnesium phosphate crystal region above aerator is provided with stainless steel plate；Reactor upper section
Surface slope is 30 ° to 60 °, and reactor upper section periphery is clarifying contaminated liquids area, and clarifying contaminated liquids area periphery is connected to effluent weir, is discharged
Weir is connected to outlet pipe and liquid is drained by outlet pipe；Reactor is provided with automatic medicine adding apparatus and pH meter.
Above scheme, two side external surface of stainless steel plate are arranged several equidistant on stainless steel at coarse shape
Through-hole from arrangement, several stainless steel plates are equidistantly arranged in ammonium magnesium phosphate crystal region.The automatic medicine adding apparatus is main
It is divided into liquid medicine case, controller and electrically operated valve composition, liquid medicine case is connected to inside reactor by electrically operated valve, and controller is electrical
It is connected to electrically operated valve, the magnesium chloride solution of addition saturation in liquid medicine case.Aerator, aeration dress are installed in the reactor
It sets and is electrically connected at pH meter, aerator is by aeration plate and blower unit at air blower is connected to aeration plate by aeration tube, exposes
Gas disk is equipped with several stomatas, and the aeration plate is made of inside and outside two aeration annulus and aeration disk, and exhaust pipe is connected to
It is aerated disk, aeration disk is connected to inside and outside two aeration annulus by several aeration tubes.
A method of integrated apparatus is recycled for sludge-digestion liquid and the phosphorus of sludge filtrate:
1), the phosphorus-containing wastewater being collected into from sludge digestion tank and sludge filtration filtrate enters reaction from water inlet pipe by water pump
In device, the carbon dioxide stripping in sewage is come out using aerator, to improve the pH of sewage, by control aeration intensity come
PH value of sewage water is set to reach 7-9；
2), magnesium chloride solution is added into sewage for automatic medicine adding apparatus, in sludge-digestion liquid total phosphorus content in 1-10mg/L,
When existing simultaneously ammonium magnesium phosphate will occur for ammonia root, phosphate radical and magnesium ion of the content of ammonia nitrogen in 100-600mg/L, sewage
Precipitation reaction；
3), ammoniomagnesium phosphate crystal is on the stainless steel plate on aeration integrated device top, and after reacting a period of time, reaction reaches
To after balance, stainless steel plate is taken out and in outer surface collection to impure less ammoniomagnesium phosphate crystal body.
The above method, magnesium chloride solution additive amount is related to N, P content in sewage, and the ratio of magnesium and phosphorus is added by 1.3:1；
Aerator controls the pH value in reactor in 8-8.5.
The supernatant being collected into from sludge digestion tank enters reactor from anticentre water inlet pipe, and the aerator of bottom is opened
Begin aeration, and sewage is enabled to disturb, and carrys out CO2 sour gas evolution therein, to improve sewage pH.
When pH value of sewage water is improved to 8-8.5 or so, then feedback signal to automatic medicine adding apparatus, and added automatically into sewage
Magnesium chloride solution, aerator maintains aeration stirring at this time, is sufficiently mixed sewage with medicament, ammonium magnesium phosphate is in suitable condition
Under start to produce crystalline solid, by the way that the stainless steel plate of reactor crystal region is arranged in, be deposited in the attachment of its ammonium magnesium phosphate crystal
On stainless steel plate.
Preferably, in phosphorus recycling reactor, using perforation stainless steel plate, magnesium chloride solution is saturated solution, and pH control exists
8-8.5, hydraulic detention time are 1 hour, and stainless steel plate is collected primary every 12 hours.Above-mentioned design can be higher in acquisition
Processing speed while obtain higher phosphorous recovery.
Reactor top is provided with settling section, and sewage is clarified herein, and clear water is discharged by effluent weir overflow, then by being discharged
Pipe outlet carries out sewage treatment, and reactor bottom is provided with sludge pipe, and the sludge being collected into enters sludge digestion tank digestion, supernatant
Liquid returns to the recycling that this reactor carries out phosphorus.
Be deposited with magnesium ammonium phosphate sediment stainless steel plate take out after ammonium phosphate above can be collected by way of scraping
Magnesium precipitate, the magnesium ammonium phosphate sediment that the method obtains have less impurity, can be directly used as agriculture nitrogen phosphorus slow-release fertilizer, can also
Deep processing and utilization is carried out as the raw material of industry.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (5)
- It mainly include water inlet pipe (1), aeration dress 1. a kind of recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate Set (2), stainless steel plate (3), sludge pipe (4), outlet pipe (5), clarifying contaminated liquids area (6), effluent weir (7), ammonium magnesium phosphate crystal region (8), pH meter (9), sludge settling area (10), automatic medicine adding apparatus (11) and water pump (13), it is characterised in that: the water pump (13) sludge-digestion liquid and sludge press filtration filtrate are pumped into reactor (12) from water inlet pipe (1)；Reactor (12) is internal from upper Ammonium magnesium phosphate crystal region (8), clarifying contaminated liquids area (6), sludge settling area (10) are set gradually under, reactor (12) bottom opens up Have sludge pipe (4), reaction, which is located above sludge pipe (4), to be provided with aerator (2), the ammonium magnesium phosphate above aerator (2) Crystal region (8) is provided with stainless steel plate (3)；Reactor (12) upper section surface slope is 30 ° to 60 °, reactor (12) upper section week Side is clarifying contaminated liquids area (6), and clarifying contaminated liquids area (6) periphery is connected to effluent weir (7), and effluent weir (7) is connected to outlet pipe (5) simultaneously Liquid is drained by outlet pipe (5)；Reactor (12) is provided with automatic medicine adding apparatus (11) and pH meter (9).
- 2. it is according to claim 1 a kind of for sludge-digestion liquid and the phosphorus of sludge filtrate recycling integrated apparatus, it is special Sign is: several equidistant cloth are arranged at coarse shape in (3) two side external surface of stainless steel plate on stainless steel plate (3) The through-hole set, several stainless steel plates (3) are equidistantly arranged in ammonium magnesium phosphate crystal region (8).
- 3. it is according to claim 2 a kind of for sludge-digestion liquid and the phosphorus of sludge filtrate recycling integrated apparatus, it is special Sign is: the automatic medicine adding apparatus (11) is broadly divided into liquid medicine case, controller and electrically operated valve composition, liquid medicine case and passes through electricity Movable valve is connected to reactor (12) inside, and controller is electrically connected at electrically operated valve, the magnesium chloride of addition saturation in liquid medicine case Solution.
- 4. it is according to claim 1 a kind of for sludge-digestion liquid and the phosphorus of sludge filtrate recycling integrated apparatus, it is special Sign is: installing aerator (2) in the reactor (12), aerator (2) is electrically connected at pH meter (9), aeration dress (2) are set by aeration plate and blower unit at air blower is connected to aeration plate by aeration tube, and aeration plate is equipped with several stomatas.
- 5. it is according to claim 4 a kind of for sludge-digestion liquid and the phosphorus of sludge filtrate recycling integrated apparatus, it is special Sign is: the aeration plate is made of inside and outside two aeration annulus and aeration disk, and exhaust pipe is connected to aeration disk, aeration Disk is connected to inside and outside two aeration annulus by several aeration tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366876.8U CN209259819U (en) | 2018-08-23 | 2018-08-23 | It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366876.8U CN209259819U (en) | 2018-08-23 | 2018-08-23 | It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209259819U true CN209259819U (en) | 2019-08-16 |
Family
ID=67556510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821366876.8U Active CN209259819U (en) | 2018-08-23 | 2018-08-23 | It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209259819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751529A (en) * | 2018-08-23 | 2018-11-06 | 广东正诚环境科技有限公司 | It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate |
-
2018
- 2018-08-23 CN CN201821366876.8U patent/CN209259819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751529A (en) * | 2018-08-23 | 2018-11-06 | 广东正诚环境科技有限公司 | It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205999096U (en) | A kind of small-sized steel efficiently removes hard clarifier | |
| CN104261526A (en) | Treatment method of heavy metal wastewater | |
| CN101905933A (en) | Treating method for phosphoric waste water and sludge generated in production process of phosphatic compound fertilizer | |
| CN103922527B (en) | Integrated sewage water advanced treatment apparatus and technique thereof | |
| CN101486521A (en) | Method for treating starch wastewater by administration air-float-UASB-SBR | |
| KR101462033B1 (en) | Sewage and wastewater treatment system with crystallization apparatus for phosphorus recovery | |
| CN102963970A (en) | Device and process for preparing struvite crystals from nitrogen and phosphorus in sewage | |
| CN110104873A (en) | Municipal wastewater advanced treatment apparatus and its method | |
| CN104129769A (en) | Efficient, low-consumption and compact struvite recovery device | |
| CN102010087A (en) | Method for treating nitro-cotton acid wastewater | |
| CN201154258Y (en) | Waste water treatment plant for producing feedstuff-level calcium phosphate salt by sulfuric acid method | |
| CN205473060U (en) | Multi -functional effluent treatment plant of integration | |
| CN103193370A (en) | Phosphorus recovery device for excess sludge | |
| CN209286730U (en) | A kind of efficient high density clarifier | |
| CN209259819U (en) | It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate | |
| CN108585388A (en) | A kind of biogas slurry treatment device | |
| CN203112675U (en) | System for reclaiming phosphorus from residual sludge | |
| CN108751529A (en) | It is a kind of to recycle integrated apparatus for sludge-digestion liquid and the phosphorus of sludge filtrate | |
| CN216863867U (en) | Water works tail water resource utilization process systems | |
| CN207738544U (en) | A kind of desulfurization wastewater sofening treatment device | |
| CN109678298A (en) | A kind of comprehensive integration sewage-treatment plant | |
| CN101633524A (en) | Process and device for removing and recycling phosphorus in waste water of livestock breeding | |
| CN205076808U (en) | Waste water phosphorus fertilizer production composite set | |
| KR101223247B1 (en) | Integrated sewage disposal device for removing total phosphorus in treated sewage | |
| CN207091166U (en) | Sewage disposal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |