CN206157073U - Draw device of phosphorous compound fertilizer of phosphorus production in mud - Google Patents
Draw device of phosphorous compound fertilizer of phosphorus production in mud Download PDFInfo
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- CN206157073U CN206157073U CN201621193387.8U CN201621193387U CN206157073U CN 206157073 U CN206157073 U CN 206157073U CN 201621193387 U CN201621193387 U CN 201621193387U CN 206157073 U CN206157073 U CN 206157073U
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- phosphorus
- sludge
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- compound fertilizer
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Abstract
The utility model provides a draw device of phosphorous compound fertilizer of phosphorus production in mud, phosphorus releasing effect is poor among the solution prior art, and the energy consumption is high, doping heavy metal scheduling problem in the phosphorus regenerant. Draw device of phosphorous compound fertilizer of phosphorus production in mud includes that the phosphorus jar is released to the anaerobism that connects gradually, phosphorus jar, mixed pond, sedimentation tank, phosphorus recovery jar, phosphate washing sedimentation tank, phosphorus fertilizer raw materials formation pond are released to the chemistry. The utility model discloses the flow is simple, and is easy and simple to handle, and the processing time is short, can realize the control of sludge decrement and phosphorous compound fertilizer product quality, and heavy metal content is extremely low in the result, and the phosphorus content is high.
Description
Technical field
This utility model is related to technical field of sludge treatment, and specifically a kind of phosphorus extracted in sludge produces phosphorous compound fertilizer
Device.
Background technology
Phosphorus in nature is limited and non-renewable non-metallic mineral resource, is mainly used in agricultural fertilizer, is disappeared every year
Consumption is very big, and phosphorus ore has been listed in China can not meet one of 20 kinds of mineral products of national economic development needs after 2010.And
During the biochemical treatment of sewage, microorganism can accumulate the phosphorus of excess in the form of poly- phosphorus, in addition with ferrum phosphorus, aluminum phosphorus, calcium
The generation of the precipitations such as phosphorus so that the content of phosphorus is at a relatively high in sludge, may be up to the 6.9% of mud dry weight, great recovery value.Cause
This is discharged in the phosphorus in sludge by effective ways, and is recycled with certain forms, not the only process of sludge
Dispose and recycling opens a new direction, reduce the water body that the loss of phosphorus and phosphorus loss bring in nature
Eutrophication, to promoting the ensured sustained development of phosphor resource using significant.
In terms of the recycling of phosphorus, more pay attention to both at home and abroad, but without formation Research foundation.Phosphorus in municipal sludge
Method for releasing mainly have following several：Aerobic/anaerobic digestion method, energy consumption is low, and it is longer to release the phosphorus cycle, generally require 15 days with
On；Ozonation, by ozone the autoxidation that cytosiies strengthen antibacterial is dissolved, and destroys cell membrane, makes intracellular matter
Ground can be accelerated to be dissolved in liquid phase, the dissolution rate of this kind of method is relatively low；Heat treating process releases phosphorus effect preferably, but energy consumption is higher；
Acid, alkali soluble born of the same parents' method release phosphorus best results.The recovery method of phosphorus has ammoniomagnesium phosphate crystal method, potassium-sodium phosphates magnesium crystallization process, phosphoric acid
Calcium salt class compound precipitation method etc., but there is heavy metal ion to adulterate in the liquid phase unavoidably during phosphorus is released, and above phosphorus is reclaimed
Method all can together be precipitated, crystallized with heavy metal.
Therefore, a kind of sludge production for efficiently releasing phosphorus technology in combination with the phosphorus recovery technology of economic security is developed phosphorous multiple
The method in Hefei is particularly significant.
The content of the invention
In view of this, this utility model aims to provide a kind of phosphorus extracted in sludge efficiently, safe and produces phosphorous compound
The device of fertilizer, solves the phosphorus loss in sludge, and phosphorus releasing effect is poor in prior art, high energy consumption, a doping huge sum of money in phosphorus regenerant
The problems such as category.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：A kind of phosphorus life in extraction sludge
The device of phosphorous compound fertilizer is produced, phosphorus tank, mixing pit, sedimentation tank, phosphorus is released including the anaerobic phosphorus release tank, chemistry for linking successively and is reclaimed
Tank, phosphate water washing and precipitating pond, phosphate fertilizer raw material generate pond.
Further, also include：Sedimentation device, is arranged in sedimentation tank.
Further, also include：Aerator, in being arranged at the phosphate fertilizer raw material generate pond.
Further, also include：Collection and confinement of gases transmitting device, releases phosphorus tank and aerator is connected with the chemistry.
Further, also include：Medicament storage tank, with the chemistry phosphorus tank, phosphorus recycling can, phosphate fertilizer raw material generate pond phase are released
Even.
Further, described several medicament storage tanks can respectively lay in dilution clear water, acid solution, alkali liquor, oxidant, also
Former agent, flocculant, precipitant, nertralizer.
Further, also include：Anaerobic phosphorus release agitating device, in being arranged at the anaerobic phosphorus release tank.
Further, also include：Chemistry releases phosphorus agitating device, is arranged at the chemistry and releases in phosphorus tank.
Further, also include：Mixing pit agitating device, in being arranged at the mixing pit.
Further, also include：Phosphorus reclaims agitating device, in being arranged at the phosphorus recycling can.
Further, also include：Phosphate fertilizer raw material generates agitating device, in being arranged at the phosphate fertilizer raw material generate pond.
Further, also include：Chemistry releases phosphorus pH detection means, is arranged at the chemistry and releases in phosphorus tank.
Further, also include：Phosphorus reclaims pH detection means, in being arranged at the phosphorus recycling can.
Further, also include：Phosphate fertilizer raw material generates pH detection means, in being arranged at the phosphate fertilizer raw material generate pond.
Relative to prior art, this utility model has the advantage that：
1st, described in the utility model that the device that phosphorus produces phosphorous compound fertilizer is extracted from sludge, flow process is simple, operation letter
Just, easy to control, mainly the control parameter in phosphorus release, phosphorus recovery, phosphate fertilizer generate three devices, realizes mud decrement and phosphorous product
The control of article matter, process time is short, and content of beary metal is extremely low in product, and total phosphorus content is high.
2nd, it is described in the utility model that the device that phosphorus produces phosphorous compound fertilizer is extracted from sludge, connect after anaerobic phosphorus release tank
Connect chemistry and release phosphorus tank, the poly- phosphorus in sludge, Phos can all be discharged, phosphorus rate is released in raising, while making the huge sum of money in sludge
Category class also obtains in a large number solubilising so that high from content of organics in the sludge of sedimentation tank output, contributes to the resource of organic sludge
Change and utilize.
3rd, it is described in the utility model that the device that phosphorus produces phosphorous compound fertilizer is extracted from sludge, match somebody with somebody in phosphorus recovery device
Have pH detection means, the pH that strict control phosphorus is reclaimed, it is ensured that phosphatic ratio in regenerant, meanwhile, to releasing phosphorus after phosphoric acid
Salt precipitation is washed, and further removes other heavy metals and salt in regenerant, it is ensured that the quality of final phosphorous compound fertilizer.
4th, it is described in the utility model that the device that phosphorus produces phosphorous compound fertilizer is extracted from sludge, collection and confinement of gases transmission is set
Device and aerator, connect respectively chemistry and release phosphorus tank and phosphate fertilizer raw material generate the tank, and chemistry is released the sulfuration produced during phosphorus
Hydrogen is collected and for the generation of phosphorous composite fertilizer material, the sulphur simple substance of generation can be used as the seed manure in phosphorous compound fertilizer
Material, is changed into resource product, while solving conventional Treatment of Sludge by the poisonous and harmful foul smell produced in sludge handling process
The problem of odor pollution environment is produced in factory in sludge handling process.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the schematic device that a kind of phosphorus extracted in sludge of this utility model produces phosphorous compound fertilizer.
In figure：1- anaerobic phosphorus release tanks, 2- chemistry releases phosphorus tank, 3- mixing pits, 4- sedimentation tanks, 5- phosphorus recycling cans, 6- phosphate
Water washing and precipitating pond, 7- phosphate fertilizer raw material generate ponds, 8- sedimentation devices, 9- collection and confinement of gases transmitting devices, 10- aerators, 11- medicaments
Storage tank, 12- anaerobic phosphorus release agitating devices, 13- chemistry releases phosphorus agitating device, and 14- mixing pit agitating devices, 15- phosphorus reclaims stirring
Device, 16- phosphate fertilizer raw material generates agitating device, and 17- chemistry releases phosphorus pH detection means, and 18- phosphorus reclaims pH detection means, 19- phosphorus
Fertile raw material generates pH detection means.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
As illustrated, a kind of phosphorus extracted in sludge produces the device of phosphorous compound fertilizer, including：
Anaerobic phosphorus release tank, inside sets agitating device；Chemistry releases phosphorus tank, inside sets agitating device and pH detection means, releases with anaerobism
Phosphorus tank is connected, and connects gas sampling transmitting device；Mixing pit, inside sets agitating device, releases phosphorus tank with chemistry and is connected；Precipitation
Pond, inside sets sedimentation device, is connected with mixing pit；Phosphorus recycling can, inside sets agitating device and pH detection means, the supernatant of sedimentation tank
Liquid enters phosphorus recycling can by overflow；Phosphate water washing and precipitating pond, inside sets agitating device and pH detection means, with phosphorus recycling can phase
Connection；Phosphate fertilizer raw material generate pond, inside sets agitating device, pH detection means and aerator, and aerator is transmitted with gas sampling
Device is connected, and gas sampling transmitting device chemistry is released the waste gas produced in phosphorus tank and blasted in phosphate fertilizer raw material generate pond；It is some
Individual medicament storage tank is released respectively phosphorus tank, phosphorus recycling can, phosphate fertilizer raw material generate pond with chemistry and is connected, and dilution clear water, acid are laid in respectively
Liquid, alkali liquor, oxidant, reducing agent, flocculant, precipitant, nertralizer.
The operation of the device is as follows：
Sludge initially enters anaerobic phosphorus release tank, and poly- phosphorus is discharged in anaerobic phosphorus release tank；Enter after agitated mix homogeneously and change
Release phosphorus tank, releases to chemistry and add in tank acid solution, adjusts pH<4, phosphate is discharged in liquid phase from solid precipitation；
After reaction terminates, sludge solutions enter mixing pit, and in mixing pit clear water is added, and sedimentation tank are entered after being stirred vigorously, in precipitation
Precipitated in pond；Sludge after precipitation enters phosphorus recycling can as organic sludge reuse, supernatant；Add in phosphorus recycling can
Trivalent iron salt and aqueous slkali, adjust pH>2, form iron phosphate precipitation；Precipitation enters kitchen sink, and by washing several times, it is heavy to remove
Other ions in the solution of shallow lake；Precipitation after washing enters phosphate fertilizer raw material generate pond, chemistry is blasted thereto and releases generation in phosphorus tank
Hydrogen sulfide gas, then be added thereto to aqueous slkali, the precipitation of formation can do phosphate fertilizer raw material.
It is exemplified below several examples to illustrate effect of the present utility model, but right of the present utility model is not
It is only limitted to this.
Embodiment 1：
Certain secondary sedimentation tank of sewage treatment work sludge anaerobism 3 days in anaerobic phosphorus release tank, conditioning of mud solid content is 10%；Xiang Hua
Release and dilute hydrochloric acid solution added in phosphorus tank, adjusts pH=0.5, reacts 30min；Into sedimentation tank precipitation after sludge solutions mixing, contain
There is phosphatic supernatant to enter phosphorus recycling can, determine the PO in supernatant4 3-Concentration is 513mg/L；Add in phosphorus recycling can
A certain amount of Fe3+, pH value of solution=2.5 are adjusted, 15min is reacted, generate canescence iron phosphate precipitation；Iron phosphate washing of precipitate is laggard
Enter phosphate fertilizer raw material generate pond, chemistry is blasted thereto and releases the hydrogen sulfide gas produced in phosphorus tank, and add CaO turbid solutions to adjust pH
=7.5 or so, formation is precipitated as phosphate fertilizer raw material.
Embodiment 2：
Certain secondary sedimentation tank of sewage treatment work sludge anaerobism 7 days in anaerobic phosphorus release tank, conditioning of mud solid content is 3%；To chemistry
Release and dilution heat of sulfuric acid is added in phosphorus tank, adjust pH=2, react 40min；Into sedimentation tank precipitation after sludge solutions mixing, containing phosphorus
The supernatant of hydrochlorate enters phosphorus recycling can, determines the PO in supernatant4 3-Concentration is 799mg/L；Add in phosphorus recycling can certain
The Fe of amount3+, pH value of solution=4 are adjusted, 12min is reacted, generate canescence iron phosphate precipitation；Phosphate fertilizer is entered after iron phosphate washing of precipitate
Raw material generate pond, adds thereto sodium sulfide solution, and adds CaO turbid solutions to adjust pH=8 or so, and it is former that formation is precipitated as phosphate fertilizer
Material.
Embodiment 3：
Certain secondary sedimentation tank of sewage treatment work sludge anaerobism 1 day in anaerobic phosphorus release tank, conditioning of mud solid content is 7%；To chemistry
Release and acetum is added in phosphorus tank, adjust pH=1.5, react 1.5h；Into sedimentation tank precipitation after sludge solutions mixing, containing phosphorus
The supernatant of hydrochlorate enters phosphorus recycling can, determines the PO in supernatant4 3-Concentration is 56mg/L；Add in phosphorus recycling can certain
The Fe of amount3+, pH value of solution=2.2 are adjusted, 30min is reacted, generate canescence iron phosphate precipitation；Phosphorus is entered after iron phosphate washing of precipitate
Fertile raw material generate pond, adds thereto sodium hydrosulfide, and adds CaO turbid solutions to adjust pH=6 or so, and formation is precipitated as phosphorus
Fertile raw material.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of phosphorus extracted in sludge produces the device of phosphorous compound fertilizer, it is characterised in that release including the anaerobism being sequentially connected
Phosphorus tank（1）, chemistry release phosphorus tank（2）, mixing pit（3）, sedimentation tank（4）, phosphorus recycling can（5）, phosphate water washing and precipitating pond（6）, phosphorus
Fertile raw material generate pond（7）.
2. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also wrap
Include：Sedimentation device（8）, it is arranged at sedimentation tank（4）It is interior.
3. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also wrap
Include：Aerator（10）, it is arranged at the phosphate fertilizer raw material generate pond（7）In.
4. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also wrap
Include：Collection and confinement of gases transmitting device（9）, with the chemistry phosphorus tank is released（2）And aerator（10）It is connected.
5. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also wrap
Include：Medicament storage tank（11）, release phosphorus tank with the chemistry respectively（2）, phosphorus recycling can（5）, phosphate fertilizer raw material generate pond（7）It is connected.
6. a kind of phosphorus extracted in sludge as claimed in claim 5 produces the device of phosphorous compound fertilizer, it is characterised in that described
Several medicament storage tanks（11）Dilution clear water, acid solution, alkali liquor, oxidant, reducing agent, flocculant, precipitation can respectively be laid in
Agent, nertralizer.
7. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also wrap
Include：Anaerobic phosphorus release agitating device（12）, it is arranged at the anaerobic phosphorus release tank（1）In；Chemistry releases phosphorus agitating device（13）, it is arranged at
The chemistry releases phosphorus tank（2）In；Mixing pit agitating device（14）, it is arranged at the mixing pit（3）In；Phosphorus reclaims agitating device
（15）, it is arranged at the phosphorus recycling can（5）In；Phosphate fertilizer raw material generates agitating device（16）, it is arranged at the phosphate fertilizer raw material and generates
Pond（7）In.
8. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also wrap
Include：Chemistry releases phosphorus pH detection means（17）, it is arranged at the chemistry and releases phosphorus tank（2）In.
9. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also wrap
Include：Phosphorus reclaims pH detection means（18）, it is arranged at the phosphorus recycling can（5）In.
10. a kind of phosphorus extracted in sludge as claimed in claim 1 produces the device of phosphorous compound fertilizer, it is characterised in that also
Including：Phosphate fertilizer raw material generates pH detection means（19）, it is arranged at the phosphate fertilizer raw material generate pond（7）In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193387.8U CN206157073U (en) | 2016-11-07 | 2016-11-07 | Draw device of phosphorous compound fertilizer of phosphorus production in mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193387.8U CN206157073U (en) | 2016-11-07 | 2016-11-07 | Draw device of phosphorous compound fertilizer of phosphorus production in mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206157073U true CN206157073U (en) | 2017-05-10 |
Family
ID=58657859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621193387.8U Active CN206157073U (en) | 2016-11-07 | 2016-11-07 | Draw device of phosphorous compound fertilizer of phosphorus production in mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206157073U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540182A (en) * | 2017-10-20 | 2018-01-05 | 天津壹新环保工程有限公司 | A kind of method and apparatus of sludge organic fertilizer |
| CN107759036A (en) * | 2017-10-20 | 2018-03-06 | 天津壹新环保工程有限公司 | A kind of processing method and device of sludge compound fertilizer making |
| CN112079424A (en) * | 2020-09-08 | 2020-12-15 | 天津壹新环保工程有限公司 | Cyclic utilization system and process of phosphorus removal agent |
-
2016
- 2016-11-07 CN CN201621193387.8U patent/CN206157073U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540182A (en) * | 2017-10-20 | 2018-01-05 | 天津壹新环保工程有限公司 | A kind of method and apparatus of sludge organic fertilizer |
| CN107759036A (en) * | 2017-10-20 | 2018-03-06 | 天津壹新环保工程有限公司 | A kind of processing method and device of sludge compound fertilizer making |
| CN107759036B (en) * | 2017-10-20 | 2023-12-26 | 天津壹新环保工程有限公司 | Treatment method and device for preparing compound fertilizer from sludge |
| CN112079424A (en) * | 2020-09-08 | 2020-12-15 | 天津壹新环保工程有限公司 | Cyclic utilization system and process of phosphorus removal agent |
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