CN209727931U - Phosphorus ore evaluation experimental device - Google Patents
Phosphorus ore evaluation experimental device Download PDFInfo
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- CN209727931U CN209727931U CN201920189751.0U CN201920189751U CN209727931U CN 209727931 U CN209727931 U CN 209727931U CN 201920189751 U CN201920189751 U CN 201920189751U CN 209727931 U CN209727931 U CN 209727931U
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Abstract
The utility model discloses a kind of phosphorus ore evaluation experimental devices, technical solution includes sequentially connected dissolving tank, crystallization tank, digester, slurry feeder trough, half water filter, two water reactive tank A slots, two water reactive tank B slots and the connection of two water filters, the loop exit of the digester is pumped through half water slurry circulation and is connect with the feed inlet of the dissolving tank, and the loop exit of the two water reactive tank B slot is pumped through two water slurry circulations to be connect with the feed inlet of two water reactive tank A slots.The utility model is compact-sized, occupied area is small, flexibility and reliability, equipment investment and operating cost it is low, suitable for half water-wet phosphoric acid by dihydrate technique phosphorus ore evaluate.
Description
Technical field
The utility model relates to the experimental rig of chemical field, specifically a kind of phosphorus ore evaluation experimental device.
Background technique
Because the cause condition of phosphorus ore is different, object phase and chemical composition are variant, must be to phosphorus when producing phosphoric acid by wet process
The machinability and economy of mine are evaluated, and general evaluation is all made of small test device, content of the test generally include reaction and
The process conditions of filtration fraction, the physical property measurement and chemical composition analysis of phosphorus ore, phosphoric acid and ardealite.
In recent years, as China proposes energy-saving requirement to manufacturing industry, the water law phosphoric acid plant of half water-bis- it is excellent
Point highlights, and half water-wet phosphoric acid by dihydrate technique there are certain requirements phosphorus ore quality, need to carry out evaluation examination to phosphorus ore
It tests, determines whether the mine is suitable for half water-dihydrate wet phosphoric acid technique and is combined test to phosphorus ore, with determining optimal work
Skill parameter, finally proposes appraisal report, and the production and design of engineering are instructed with this.
Summary of the invention
Purpose of the utility model is to solve above-mentioned technical problem, provide it is a kind of it is compact-sized, occupied area is small, clever
Work is reliable, equipment investment and operating cost are low, phosphorus ore evaluation experimental device suitable for half water-wet phosphoric acid by dihydrate technique.
Technical solution includes sequentially connected dissolving tank, crystallization tank, digester, slurry feeder trough, half water filter, two water
Reactive tank A slot, two water reactive tank B slots and the connection of two water filters, the loop exit of the digester are pumped through half water slurry circulation
It is connect with the feed inlet of the dissolving tank, the loop exit of the two water reactive tank B slot pumps anti-with two water through two water slurry circulations
The feed inlet of slot A slot is answered to connect.
It further include having phosphorus ore batcher, acid reflux slot, sulfuric acid tank and dilute acid bath, the charging of the phosphorus ore batcher and dissolving tank
Mouthful connection, the acid reflux slot connect with the feed inlet of dissolving tank and crystallization tank respectively, the sulfuric acid tank respectively with acid reflux slot, sulfuric acid
The connection of the feed inlet of slot and two water reactive tank A slots, the dilute acid bath are connect with the feed inlet of two water reactive tank A slots.
Further include having frame structure, the frame structure have three-decker, top layer be disposed with dissolving tank, crystallization tank,
Digester, slurry feeder trough, half water filter, two water reactive tank A slots and two water reactive tank B slots, middle layer are disposed with half water material
Starch circulating pump and two water slurry circulations pump.
The top layer of the frame there also is provided phosphorus ore batcher, and lowest level is disposed with acid reflux slot, sulfuric acid tank and dilute acid bath.
Tail gas cover is equipped at the top of the frame structure.
The bottom of the frame structure is equipped with pulley.
The utility model has the advantages that
The utility model is compact-sized, is wholely set, can flexibly be moved using frame structure, occupied area is small, equipment is thrown
Money is low with operating cost, especially suitable for the phosphorus ore evaluation test for half water-wet phosphoric acid by dihydrate technique.
Detailed description of the invention
Fig. 1 is the utility model main view.
Fig. 2 is the utility model side view.
Fig. 3 is process flow diagram.
Wherein, 1. phosphorus ore batcher, 2. acid reflux slots, 3. sulfuric acid tanks, 4. dissolving tanks, 5. crystallization tanks, 6. digesters, 7. slurries
Feeder trough, 8. half water slurry circulations pump, 9. half water filters, 10. 2 water reactive tank A slots, 11. 2 water reactive tank B slots, 12. 2
Water filter, 13. 2 water slurry circulations pump, 14. dilute acid baths, 15. tail gas covers, 16. frame structures, 17. pulleys.
Specific embodiment
Explanation is further explained to the utility model with reference to the accompanying drawing:
Referring to attached drawing, the connection relationship are as follows: dissolving tank 4, crystallization tank 5, digester 6, slurry feeder trough 7, the filtering of half water
Device 8, two water reactive tank A slots 9, two water reactive tank B slots 10 and the connection of two water filters 11, the loop exit warp of the digester 6
Half water slurry circulation pump 8 is connect with the feed inlet of the dissolving tank 4, and the loop exit of the two water reactive tank B slot 11 is through two water
Slurry circulation pump 13 is connect with the feed inlet of two water reactive tank A slots 10.
It further include having phosphorus ore batcher 1, acid reflux slot 2, sulfuric acid tank 3 and dilute acid bath 14, the phosphorus ore batcher 1 and dissolving tank
4 feed inlet connection, the acid reflux slot 2 connect with the feed inlet of dissolving tank 4 and crystallization tank 5 respectively, the sulfuric acid tank 3 respectively with
Acid reflux slot 4, sulfuric acid tank 5 are connected with the feed inlet of two water reactive tank A slots 10, the dilute acid bath 14 and two water reactive tank A slots 10
Feed inlet connection.
Above-mentioned each component is mounted on frame structure 16, and 16 bottom of frame structure is equipped with pulley 17, the frame structure
16 have three-decker, and top layer is disposed with phosphorus ore batcher 1, dissolving tank 4, crystallization tank 5, digester, slurry feeder trough, Ban Shui
Filter, two water reactive tank A slots and two water reactive tank B slots, middle layer are disposed with half water slurry circulation pump and two water slurry circulations
Pump, lowest level are disposed with acid reflux slot 2, sulfuric acid tank 3 and dilute acid bath 14；Tail gas cover 15, bottom are equipped at the top of the frame structure 17
Equipped with pulley 16.Two water filter 12 can be mounted in frame structure 16, can also be set to frame structure 16 as needed
In addition.
Test process:
It is 48%P that concentration is added into dissolving tank 4 and crystallization tank 5 by acid reflux slot 22O5Mother acid, by phosphorus ore be fed to
Continuously miberal powder is added to dissolving tank 4 in material machine 1, while the sulfuric acid in sulfuric acid tank 3 is added to dissolving tank 4 and crystallization tank 5；Raw material
It is reacted in dissolving tank 4, half water slurry overflow of generation is further crystallized into crystallization tank 5, when half water slurry overflow is to ripe
When changing slot 6, half water slurry circulation is returned by dissolving tank 4 by half water slurry circulation pump 8；When half water material of half water slurry receiving slit 7
Starch solid content be higher than 30% or half water slurry receiving slit 7 slot position is more than half or liquid phase P2O5% concentration be higher than 45% when, start to
Half water filter 9 is filtered feed；The filtered semi-hydrated gypsum of half water enters two water reactive tank A slots 10, passes through dilute acid bath 14
Diluted acid is added toward two water reactive tank A slots 10, sulfuric acid is added to two water reactive tank A slots 10 of heating by sulfuric acid tank 3 and is further reacted,
The slurry overflow of two water reactive tank A slots 10 opens two water slurry circulations pump 13 for two water reactive tank B to two water reactive tank B slots 11
The slurry circulation of slot 11 is to two water reactive tank A slots 10, when the solid content of two water reactive tank B slots (11) reaches 30%, start to
Two water filters 12 are filtered feed.The specific reaction condition of-two water law of half water and process are the prior art, herein not
It is described further.
When evaluation, to the phosphorus ore sample of needs assessment after the present apparatus carries out 72 hours continuous operations at full capacity, and at
Product acid and gypsum carry out complete analysis, the parameters such as half water intensity filter of measurement, two water intensity filters and gypsum partial size, for determining this
Whether mine is suitable for half water-dihydrate wet phosphoric acid technique.
Claims (6)
1. a kind of phosphorus ore evaluation experimental device, it is characterised in that, including sequentially connected dissolving tank, crystallization tank, digester, slurry
Feeder trough, half water filter, two water reactive tank A slots, two water reactive tank B slots and the connection of two water filters, the digester follow
Ring outlet is pumped through half water slurry circulation to be connect with the feed inlet of the dissolving tank, the loop exit warp of the two water reactive tank B slot
Two water slurry circulations pump is connect with the feed inlet of two water reactive tank A slots.
2. phosphorus ore evaluation experimental device as described in claim 1, it is characterised in that, further include have phosphorus ore batcher, acid reflux slot,
The feed inlet of sulfuric acid tank and dilute acid bath, the phosphorus ore batcher and dissolving tank connects, the acid reflux slot respectively with dissolving tank and knot
The feed inlet of brilliant slot connects, and the sulfuric acid tank is connect with the feed inlet of acid reflux slot, sulfuric acid tank and two water reactive tank A slots respectively, institute
Dilute acid bath is stated to connect with the feed inlet of two water reactive tank A slots.
3. phosphorus ore evaluation experimental device as claimed in claim 1 or 2, which is characterized in that it further include having frame structure, the frame
Frame structure has three-decker, and top layer is disposed with dissolving tank, crystallization tank, digester, slurry feeder trough, half water filter, and two
Water reactive tank A slot and two water reactive tank B slots, middle layer are disposed with half water slurry circulation pump and two water slurry circulations pump.
4. phosphorus ore evaluation experimental device as claimed in claim 3, it is characterised in that, the top layer of the frame there also is provided phosphorus
Mine batcher, lowest level are disposed with acid reflux slot, sulfuric acid tank and dilute acid bath.
5. phosphorus ore evaluation experimental device as claimed in claim 3, it is characterised in that, tail gas is equipped at the top of the frame structure
Cover.
6. phosphorus ore evaluation experimental device as claimed in claim 3, it is characterised in that, the bottom of the frame structure, which is equipped with, to be slided
Wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920189751.0U CN209727931U (en) | 2019-01-30 | 2019-01-30 | Phosphorus ore evaluation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920189751.0U CN209727931U (en) | 2019-01-30 | 2019-01-30 | Phosphorus ore evaluation experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727931U true CN209727931U (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920189751.0U Active CN209727931U (en) | 2019-01-30 | 2019-01-30 | Phosphorus ore evaluation experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727931U (en) |
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2019
- 2019-01-30 CN CN201920189751.0U patent/CN209727931U/en active Active
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