CN205472669U - Ammonium phosphate production system - Google Patents
Ammonium phosphate production system Download PDFInfo
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- CN205472669U CN205472669U CN201521036869.8U CN201521036869U CN205472669U CN 205472669 U CN205472669 U CN 205472669U CN 201521036869 U CN201521036869 U CN 201521036869U CN 205472669 U CN205472669 U CN 205472669U
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Abstract
The utility model provides an ammonium phosphate production system, includes: ball mill, initial response groove, second reaction, initial response groove pass through the pipeline and communicate with ball mill and second reaction respectively, the second reaction has a sulphuric acid entry and overflow mouth, a processing apparatus, processing apparatus includes filtering area, a xi qu, two xiqu and three washes the district, obtain phosphoric acid and filter residue from second reaction exhaust phosphoric acid mother liquor behind filtering area filtering separation, the filter residue is washed one and is obtained one after wash and filters with the washing washing in the district and wash water, and the filter residue is washed two after that and is obtained two after wash and filters with the washing washing in the district and wash water, then washes with the clear water and obtained three behind the residue that obtains of being followed after clearing up among the processing apparatus and wash water in order to detach, one of them xi shui, two wash water and the mixed succeeding crop of partial phosphoric acid for the diluted acid use, three wash water uses as a xi qu and two circulation of washing water that wash the district, and back processing apparatus who is used for growing the grain, filtration and drying. The utility model discloses an ammonium phosphate production system water is few, the comprehensive utilization degree high.
Description
Technical field
This utility model relates to field of fertilizer production, relates more specifically to a kind of production of ammonium phosphate system.
Background technology
In field of fertilizer production, when producing phosphorus ammonium, washing tail washings usually contains some phosphoric acid.Concentration and recovery phosphorus ammonium after being typically at present it is absorbed with ammonia, but this concentration is relatively low, will waste big energy in removal process.And, the washings when being rinsed the filter cloth of filter there is no and effectively utilize, and also create sewage discharge problem.
Utility model content
The purpose of this utility model is to provide a kind of production of ammonium phosphate system that a kind of water is few, comprehensive utilization degree is high.
This utility model provides a kind of production of ammonium phosphate system, including:
Ball mill, the first reactive tank, the second reactive tank, wherein, for rock phosphate in powder ball milling is become ore pulp in ball mill, the first reactive tank is connected with ball mill and the second reactive tank respectively by pipeline, and ball mill has the discharging opening for discharging ore pulp；First reactive tank has the first feeding mouth and the second feeding mouth；Second reactive tank has a sulphuric acid entrance and overfall, and sulphuric acid entrance is with entering to input concentrated sulphuric acid, and overfall is discharged for phosphoric acid overflow reaction obtained；
One processing means, described processing means includes filtering area, a Xi Qu, two Xi Qu Ji Sanxi districts；The phosphoric acid mother solution discharged from the second reactive tank obtains phosphoric acid and filtering residue after filtering area is filtered and separated, filtering residue is washed after district's washings wash and filter one and is obtained a wash water, filtering residue is then washed two and is obtained two wash waters after district's washings wash and filter, and then rinses to obtain three wash waters after the residue obtained after removing by cleaning from processing means with clear water；Wherein a wash water, two wash waters use as diluted acid after mixing with part phosphoric acid；Three wash waters recycle as the washings in a Xi Qu Ji Erxi district；
And an after-treatment device being used for growing the grain, filtering and be dried；
Wherein, the first feeding mouth is for inputting described part phosphoric acid mother solution in the first reactive tank, and the second feeding mouth is for inputting a wash water and two wash waters in the first reactive tank.
Preferably, described processing means is disk filter, described disk filter includes standing part, rotating part and controller, wherein rotating part includes the filter element of several sector, filter element one round turntable of composition, and revolve round the sun around center, each filter element includes the rotating shaft being radially arranged, filter frame and the filter cloth being fixed on filter frame, and filter element can rotation around the shaft under the drive of rotating shaft；Above round turntable, standing part is included in the first feeding device, the second feeding device, the 3rd feeding device and these four feeding devices of the 4th feeding device evenly distributed in circumference counterclockwise, first feeding device has the first feeding pipe, second feeding device has the second feeding pipe, 3rd feeding device has the 3rd feeding pipe, and the 4th feeding device has the 4th feeding pipe；Wherein, the overfall of the first feeding pipe and the second reactive tank is connected；In the lower section of round turntable, standing part also includes the first Filtrate collection device, the second Filtrate collection device, the 3rd Filtrate collection device and the 4th Filtrate collection device being respectively provided with on the position corresponding with these four feeding devices；Lower section that standing part also includes being positioned at round turntable and a vacuum equipment for sucking filtration with the first supporting setting of Filtrate collection device；Lower section that standing part also includes being positioned at round turntable and a residue collection device with the 4th corresponding setting of feeding pipe；The region corresponding with the first feeding device, the second feeding device, the 3rd feeding device and the 4th feeding device is respectively described filtering area, a Xi Qu, two Xi Qu Ji Sanxi districts；First Filtrate collection device is communicated to after-treatment device, and the second Filtrate collection device and the 3rd Filtrate collection device connect with the first feeding mouth respectively, and the 4th Filtrate collection device is connected with the second feeding device and the 3rd feeding device respectively；The overfall of the first feeding mouth and the second reactive tank is connected.
Preferably, described after-treatment device includes neutralization chamber, growing the grain groove, defecator and the drying device being sequentially communicated.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic diagram of the ammonium phosphate production process of this utility model preferred embodiment；
Fig. 2 is the part-structure schematic diagram of the production of ammonium phosphate system of this utility model preferred embodiment；
Fig. 3 is the structural representation of another part of the production of ammonium phosphate system of this utility model preferred embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.
Referring to Fig. 1, ammonium phosphate production process of the present utility model includes step:
S1: grade (is referred to that P element is converted into P2O5Quality quality accounting in Ore) in ball mill, carry out pulp after rock phosphate in powder between 27 to 28 is broken and obtain ore pulp, control during the discharging of ore pulp moisture content between 30% to 35%；
S2: make ore pulp react 1 to 2 hour with a certain amount of diluted acid, and control the phosphoric acid concentration in reactant liquor between 19% to 20%；
S3: obtain phosphoric acid mother solution after reactant liquor and concentrated sulphuric acid being reacted at appropriate temperatures 3 to 4 hours, then in turn filters phosphoric acid mother solution by processing means, carry out the filtering residue washings obtained after filtering washing and two wash, clear up filtering residue, remaining residue clear water after cleaning filtering residue is rinsed this five steps；Wherein, one wash and two washings washing in step be rinse after the flushing water that obtains, one washes and two washes after the filtrate obtained in step mixes with part phosphoric acid mother solution and use as the diluted acid in step (2).
S4: the phosphoric acid being filtrated to get by phosphoric acid mother solution and liquefied ammonia are reacted and carries out growing the grain, filtration successively after obtaining phosphorus ammonium mother solution and obtain phosphor ammonium product after drying.
As in figure 2 it is shown, production of ammonium phosphate system of the present utility model includes ball mill the 1, first reactive tank the 2, second reactive tank 3.Wherein, grade phosphorus mine stone is transported to from the feeding mouth 1a of ball mill 1 ball milling in ball mill 1, to obtain ore pulp moisture content be the ore pulp between 30% to 35% in pulp.Ore pulp from the discharging opening of ball mill 1 through pipeline 1f and the first reactive tank 2 to the second reactive tank 3.
First reactive tank 2 has the first feeding mouth 2a, is used for inputting phosphoric acid mother solution, the most also has a second feeding mouth 2b, washes for input one and washes the wash water and two wash waters respectively obtained in step with two.Ore pulp is made to react 1 to 2 hour with a certain amount of phosphoric acid,diluted in the first reactive tank 2 so that the phosphoric acid concentration in reactant liquor is 19% to 20%.
First reactive tank 2 is connected by communicating pipe 2f and the second reactive tank 3.Reactant liquor in first reactive tank 2 is by flowing in the second reactive tank 3 communicating pipe 2f.Second reactive tank 3 also has a sulphuric acid entrance 3a, with entering to input concentrated sulphuric acid.Second reactive tank 3 also has an overfall 3b, is discharged by overflow manner for phosphoric acid mother solution reaction obtained.
Production of ammonium phosphate system of the present utility model also includes a disk filter 4.Disk filter 4 includes standing part, rotating part and controller.Wherein, rotating part includes 12 fan-shaped filter elements, these 12 filter element one round turntables of composition, and carries out revolve round the sun (for rotating clockwise in the present embodiment) around center.Each filter element includes the rotating shaft 401 being radially arranged, filter frame 402 and the filter cloth 403 being fixed on filter frame 402, and filter element can 401 rotation around the shaft under the drive of rotating shaft 401.
Above round turntable, standing part is included in the first feeding device the 41, second feeding device the 42, the 3rd feeding device 43 and the 4th feeding device 44 four feeding devices altogether evenly distributed in circumference counterclockwise.First feeding device 41 is provided with the first feeding pipe 41a, and the second feeding device 42 is provided with the second feeding pipe 42a, and the 3rd feeding device 43 is provided with the 3rd feeding pipe 43a, and the 4th feeding device 44 is provided with the 4th feeding pipe 44a.Wherein, the overfall 3b of the first feeding pipe 41a and the second reactive tank passes through pipeline communication.In the lower section of round turntable, standing part also includes the first Filtrate collection device (not shown), the second Filtrate collection device (not shown), the 3rd Filtrate collection device (not shown) and the 4th Filtrate collection device (not shown) being correspondingly arranged respectively on the position corresponding with these four feeding devices.Lower section that standing part also includes being positioned at round turntable and a vacuum equipment (not shown) for sucking filtration with the first supporting setting of Filtrate collection device.Lower section that standing part also includes being positioned at round turntable and a residue collection device (not shown) with the 4th corresponding setting of feeding pipe 44a.
The region corresponding with first feeding device the 41, second feeding device the 42, the 3rd feeding device 43 and the 4th feeding device 44 is respectively filtering area, a Xi Qu, two Xi Qu Ji Sanxi districts (or punch plate district).
From the second reactive tank 3, enter the first feeding device 41 rear section phosphoric acid mother solution carry out vacuum filtration in filtering area, the filtrate (i.e. phosphoric acid) obtained is collected, the filtering residue obtained washes district in filter element revolution to one, remaining phosphoric acid mother solution body is then pumped to the first reactive tank 2 from the first feeding mouth 2a, mixes with a wash water, two wash waters and uses as diluted acid.Second feeding device 42 uses washings to carry out washing to filtering residue, and the filtrate (i.e. one wash water) obtained is collected, and filtering residue then continues revolution at filter element and washes district to two；3rd feeding device 43 uses washings that filtering residue is carried out two and washes, and the filtrate (i.e. two wash waters) obtained is collected, and filtering residue then continues revolution at filter element and washes district (punch plate district) to three.
When filtering residue goes to punch plate district with filter element, controller can control filter element and carry out rotation under the drive of rotating shaft 401, and makes when filter element revolution is to filtering area, and filter element is just from circling.Carry out slag dumping when filter element is in substantially inverted status, i.e. fall under gravity in residue collection device；And then, the washings that on this filter element after slag dumping, the residue of residual then flows out in by the 4th feeding device 44 carry out three and wash (punch plate), and obtained filtrate (i.e. three wash waters) is collected by the 3rd Filtrate collection device.
Wherein, a wash water and two wash waters are pumped into the first reactive tank 2 from the second feeding mouth 2b, to dilute phosphoric acid mother solution.Three wash waters are then after being pumped, and a part is entered the first feeding device 42 to use as washings by the second feeding pipe 42a, and another part is then entered the first feeding device 43 to use as washings by the 3rd feeding pipe 43a.Washings in 4th feeding device 44 are external clear water, and clear water is entered the 4th feeding device 44 by the 4th feeding pipe 44a.
By obtain after filtration phosphoric acid and liquefied ammonia be neutralized by an after-treatment device, growing the grain, filtration and obtain phosphor ammonium product after drying.
Referring to Fig. 3, this after-treatment device includes neutralization chamber 5, growing the grain groove 6, defecator 7 and the drying device 8 being sequentially communicated.Obtain phosphoric acid after liquefied ammonia and filtration and respectively enter neutralization chamber 5 from the feeding mouth 2b and feeding mouth 2a of neutralization chamber 5 respectively, it is pumped in growing the grain groove 6 carry out growing the grain after obtaining phosphorus ammonium mother solution after neutralization, it is transported to defecator again filter, is finally dried device and obtains phosphor ammonium product after drying.
Production of ammonium phosphate system of the present utility model and technique efficiently utilize the washings in production process, reduce greatly the water consumption in whole technical process；Additionally being also fully utilized by washings contained phosphoric acid, therefore comprehensive utilization degree is higher.
Based on described above, those skilled in the art can correctly, intactly implement this utility model.Should be appreciated that specific embodiment described above, only in order to explain this utility model, is not used to limit this utility model.All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within all should being included in protection domain of the present utility model.
Claims (3)
1. a production of ammonium phosphate system, it is characterised in that including:
Ball mill, the first reactive tank, the second reactive tank, wherein, for by phosphorus ore in ball mill
Stone ball milling becomes ore pulp, and the first reactive tank is connected with ball mill and the second reactive tank respectively by pipeline
Logical, ball mill has the discharging opening for discharging ore pulp；First reactive tank has the first pan feeding
Mouth and the second feeding mouth；Second reactive tank has a sulphuric acid entrance and overfall, and sulphuric acid enters
Mouth is with entering to input concentrated sulphuric acid, and overfall is discharged for phosphoric acid overflow reaction obtained；
One processing means, described processing means includes filtering area, a Xi Qu, two Xi Qu and three
Wash district；The phosphoric acid mother solution discharged from the second reactive tank obtains phosphoric acid after filtering area is filtered and separated
And filtering residue, filtering residue washes after district's washings wash and filter one and obtains a wash water, and filtering residue connects
To wash two and after district's washings wash and filter, obtain two wash waters, then with clear water rinse with
Three wash waters are obtained after the residue obtained after removing by cleaning from processing means；Wherein one wash
Water, two wash waters use as diluted acid after mixing with part phosphoric acid；Three wash waters as one wash district and
Two washings washing district recycle；
And an after-treatment device being used for growing the grain, filtering and be dried；
Wherein, the first feeding mouth is used for inputting described part phosphoric acid mother solution in the first reactive tank, the
Two feeding mouths are for inputting a wash water and two wash waters in the first reactive tank.
2. production of ammonium phosphate system as claimed in claim 1, it is characterised in that: described process fills
Being set to disk filter, described disk filter includes standing part, rotating part and controller,
Wherein rotating part includes that the filter element of several sector, filter element one circle of composition turn
Platform, and revolving round the sun around center, rotating shaft that each filter element includes being radially arranged, filter frame and
The filter cloth being fixed on filter frame, filter element can rotation around the shaft under the drive of rotating shaft；
Above round turntable, standing part is included in circumference counterclockwise evenly distributed
First feeding device, the second feeding device, the 3rd feeding device and the 4th feeding device these four
Feeding device, the first feeding device has the first feeding pipe, and the second feeding device has second and enters
Material pipe, the 3rd feeding device has the 3rd feeding pipe, and the 4th feeding device has the 4th feeding pipe；
Wherein, the overfall of the first feeding pipe and the second reactive tank is connected；In the lower section of round turntable,
Standing part also includes first be respectively provided with on the position corresponding with these four feeding devices
Filtrate collection device, the second Filtrate collection device, the 3rd Filtrate collection device and the 4th filtrate are received
Acquisition means；Lower section that standing part also includes being positioned at round turntable and with the first Filtrate collection device
One of supporting setting is for the vacuum equipment of sucking filtration；Standing part also includes being positioned at round turntable
Lower section and with a residue collection device of the 4th corresponding setting of feeding pipe；
With the first feeding device, the second feeding device, the 3rd feeding device and the 4th feeding device
Corresponding region is respectively described filtering area, a Xi Qu, two Xi Qu Ji Sanxi districts；First filter
Liquor collecting device is communicated to after-treatment device, the second Filtrate collection device and the 3rd filtrate collection dress
Put and connect with the first feeding mouth respectively, the 4th Filtrate collection device respectively with the second feeding device and
3rd feeding device is connected；The overfall of the first feeding mouth and the second reactive tank is connected.
3. production of ammonium phosphate system as claimed in claim 2, it is characterised in that described post processing fills
Put neutralization chamber, growing the grain groove, defecator and the drying device including being sequentially communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036869.8U CN205472669U (en) | 2015-12-14 | 2015-12-14 | Ammonium phosphate production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036869.8U CN205472669U (en) | 2015-12-14 | 2015-12-14 | Ammonium phosphate production system |
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| Publication Number | Publication Date |
|---|---|
| CN205472669U true CN205472669U (en) | 2016-08-17 |
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ID=56660229
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521036869.8U Expired - Fee Related CN205472669U (en) | 2015-12-14 | 2015-12-14 | Ammonium phosphate production system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205472669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399071A (en) * | 2015-12-14 | 2016-03-16 | 湖北华毅化工有限公司 | Ammonium phosphate production technology and system |
| CN115557719A (en) * | 2022-08-16 | 2023-01-03 | 湖北祥云(集团)化工股份有限公司 | Comprehensive treatment method of phosphogypsum |
-
2015
- 2015-12-14 CN CN201521036869.8U patent/CN205472669U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399071A (en) * | 2015-12-14 | 2016-03-16 | 湖北华毅化工有限公司 | Ammonium phosphate production technology and system |
| CN115557719A (en) * | 2022-08-16 | 2023-01-03 | 湖北祥云(集团)化工股份有限公司 | Comprehensive treatment method of phosphogypsum |
| CN115557719B (en) * | 2022-08-16 | 2023-08-15 | 湖北祥云(集团)化工股份有限公司 | Comprehensive treatment method of phosphogypsum |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20191214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |