CN205907117U - Spent acid processing apparatus is washed to solar energy silicon - Google Patents
Spent acid processing apparatus is washed to solar energy silicon Download PDFInfo
- Publication number
- CN205907117U CN205907117U CN201620486338.7U CN201620486338U CN205907117U CN 205907117 U CN205907117 U CN 205907117U CN 201620486338 U CN201620486338 U CN 201620486338U CN 205907117 U CN205907117 U CN 205907117U
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- CN
- China
- Prior art keywords
- retort
- spent acid
- silicon
- solar power
- treating device
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a spent acid processing apparatus is washed to solar energy silicon, the device include the retort, the pressure filter that links to each other with the retort, the evaporation drying ware that links to each other with the pressure filter, wherein, be equipped with feed inlet and acid inlet pipe in the retort, be provided with the shower in the retort, acid inlet pipe and shower link to each other. The utility model discloses a spent acid can efficient handling of silicon be washed to the device, and reaction product recycle after can retreatment is favorable to silicon to wash industrialization and automation that the spent acid was handled, can also realize that it handles the discarded object cyclic utilization who produces, changing waste into valuables to wash the spent acid to silicon.
Description
Technical field
This utility model is related to a kind of solar power silicon and washes Waste acid treating device.
Background technology
Conventional process contains the method that the inorganic spent acid of f, n mainly adopts acid-base neutralization, and it is simple, but produces after reaction
Filter mud stickiness big, work consuming during handling, cost is too high.At present although can solve the problem that in existing industrial waste acid processing meanss
Automatic charging, automatic discharging, the problems such as vent gas treatment, but increase with spent acid treating capacity, are difficult to coordinate to solve reaction rate
Problem with treatment effeciency.In addition, the spent acid because producing in solar silicon plate handling process is different with other industrial waste acids,
It contains substantial amounts of f, n element, can be only achieved discharge standard after needing product is reprocessed.
Therefore, how effectively the spent acid containing f, n element to be efficiently treated through, meanwhile, by the reaction after processing
Product recycling, is two crucial, urgent need to resolve problems that impact solar power silicon washes spent acid process.
Utility model content
The purpose of this utility model is to provide a kind of solar power silicon to wash Waste acid treating device.
Technical solution adopted in the utility model is:
A kind of solar power silicon washes Waste acid treating device, and including retort, the pressure filter being connected with retort, with pressure filter phase
Evaportor even；
Wherein, retort is provided with charging aperture and acid inlet tube, is provided with shower in retort；Acid inlet tube and shower phase
Even.
Described retort includes inner core and outer tube.
It is provided with cooling system between inner core and outer tube.
Also include the scrubbing tower being connected with reaction tank top.
Reaction tank top is provided with pressure monitor, temperature monitoring and ph monitor；It is additionally provided with agitator in retort.
Water inlet pipe and outlet pipe are additionally provided with described retort；Slag notch is additionally provided with pressure filter.
The beneficial effects of the utility model are:
Device of the present utility model can wash spent acid with efficient process silicon, can return after being reprocessed product meanwhile
Receive and utilize, so not only contribute to industrialization and automatization that solar power silicon washes spent acid process, but also enable silicon is washed useless
The recycling waste that acid treatment produces, reaches and turns waste into wealth, the effect of effectively save resource.
Brief description
Fig. 1 is the schematic diagram of this device；
1: outer tube；2: inner core；3: charge door；4: acid inlet tube；5: shower；6: closure；7: rate controlling agitator；8: pressure
Monitor；9: temperature monitoring；10:ph monitor；11: vacuum pump；12: scrubbing tower；13: scrub raffinate outlet；14: aerofluxuss
Mouthful；15: pressure filter；16: slag notch；17: evaportor；18: crystallization outlet；19: water inlet pipe；20: outlet pipe.
Specific embodiment
A kind of solar power silicon washes Waste acid treating device, and including retort, the pressure filter 15 being connected with retort, with pressure filter
15 evaportors 17 being connected；Evaportor 17 is provided with crystallization outlet 18；Pressure filter 15 is provided with slag notch 16；
Wherein, retort is provided with charging aperture 3 and acid inlet tube 4, is provided with shower 5 in retort；Acid inlet tube 4 and spray
Pipe 5 is connected；
Preferably, described retort includes inner core 2 and outer tube 1；It is provided with cooling system between inner core 2 and outer tube 1；
Preferably, also include the scrubbing tower 12 being connected with reaction tank top；The pipe that scrubbing tower 12 is connected with reaction tank top
Road is provided with vacuum pump 11；Scrubbing tower 12 is provided with scrub raffinate outlet 13 and air vent 14；
Preferably, reaction tank top is provided with pressure monitor 8, temperature monitoring 9 and ph monitor 10；In retort also
It is provided with rate controlling agitator 7；Retort is sealed by the closure 6 at top；
Preferably, described retort is additionally provided with water inlet pipe 19 and outlet pipe 20.
Process, using said apparatus, the method that silicon washes spent acid, comprise the following steps:
1) paving carbonate, bicarbonate, at least one inorganic base are filled out from charging aperture to reaction pot bottom, then by silicon
Wash spent acid and shower is transported to by acid inlet tube, and then spray and fill out on the material being laid on bottom, static reaction；Turn on agitator
Stirring, monitoring pressure, temperature and ph value, fully react；
2) add inorganic base, adjust ph；
3) slurry transportation producing in course of reaction is entered to carry out filter pressing in pressure filter；
4) the waste residue output that filter pressing produces, can be applicable in the middle of the production of pottery, cement, concrete, such as with clay, page
Rock manufacturing bricks by mixing；
5) waste liquid that filter pressing produces is sent into evaportor and is evaporated crystallizing, and collects crystal.
Preferably, in step 1), described carbonate is the carbonate of a race element, in the carbonate of a race element
At least one；Described bicarbonate is the bicarbonate of a race element, at least one in the bicarbonate of a race element；
Described inorganic base is the hydroxide of a race element, at least one in the hydroxide of a race element；
It is further preferred that in step 1), filling out at least one spreading following material: hydrogen from charging aperture to reaction pot bottom
At least one in magnesium oxide, calcium hydroxide, magnesium carbonate, Calcium Carbonate, magnesium bicarbonate, calcium bicarbonate.
Preferably, in step 1), the waste gas producing in course of reaction is sent in scrubbing tower and is carried out basification；
Preferably, in step 1), the time of static reaction is 120-180min；
Preferably, in step 1), after turn on agitator, reaction temperature controls below 80 DEG C；
Preferably, step 2) in, described inorganic base is the hydroxide of a race element, the hydroxide of a race element
In at least one；Preferably, it is sodium hydroxide, potassium hydroxide, calcium hydroxide, at least one in barium hydroxide；Further
Preferably, it is sodium hydroxide, potassium hydroxide, at least one in calcium hydroxide.
Preferably, described silicon is washed in spent acid, and hf concentration is 10～30%；hno3Concentration is 5～30%.
With reference to embodiment, this utility model is described further:
Embodiment:
Silicon washes spent acid: (hf concentration is 13.46～16.30% to the spent acid that process solar silicon plate produces；hno3Concentration exists
8.33～16.66%), ph value < 0.
(r=3.5m, h=5m) bottom tiling compound alkali (calcium hydroxide, Calcium Carbonate, calcium bicarbonate in reaction in charging aperture
Mixture) 3 t, then with vacuum air pump, spent acid is equably sprayed on compound alkali layer by pipeline, static reaction
After 120-180min, turn on agitator stirs, and stirring reaction 30-60min is monitored pressure and temperature simultaneously, is allowed to fully react,
When not having smog to produce in whole reaction tank, that is, react completely (now ph value is 5.0 ~ 5.5).Add piece aqueous slkali or Calx
Ph value is transferred to 8.0 ~ 9.0 by breast.Open air exhauster during the course of the reaction by the waste gas producing in retort (mainly co2, on a small quantity
Hf and hno3Gas) extract out, deliver to basification in gas shower scrubbing tower, in the process, maintain in whole course of reaction
Negative pressure is kept in retort.After reaction terminates, open pressure filter and the mud in retort is carried out filter pressing, given up after filter pressing
Slag, makes pottery, cement, concrete etc. after it is mixed with clay, shale.Waste liquid is then delivered in evaporation drying machine and is utilized heat energy
Evaporation, and collect crystal, can recycle as the feedstock circulation making chemical fertilizer, chemical reagent etc. after purification.
Waste gas, waste liquid, waste residue etc. are repeatedly tested, and ph value is 7.0, and fluoride 1.62 mg/l(standard is limited to 10 mg/
L), effect stability.
Claims (6)
1. a kind of solar power silicon wash Waste acid treating device it is characterised in that: include retort, the pressure filter being connected with retort,
The evaportor being connected with pressure filter；
Wherein, retort is provided with charging aperture and acid inlet tube, is provided with shower in retort；Acid inlet tube is connected with shower.
2. a kind of solar power silicon according to claim 1 wash Waste acid treating device it is characterised in that: described retort bag
Include inner core and outer tube.
3. a kind of solar power silicon according to claim 2 wash Waste acid treating device it is characterised in that: between inner core and outer tube
It is provided with cooling system.
4. a kind of solar power silicon according to claim 3 wash Waste acid treating device it is characterised in that: also include and retort
The scrubbing tower that top is connected.
5. a kind of solar power silicon according to claim 1 or 4 wash Waste acid treating device it is characterised in that: reaction tank top
It is provided with pressure monitor, temperature monitoring and ph monitor；It is additionally provided with agitator in retort.
6. a kind of solar power silicon according to claim 5 wash Waste acid treating device it is characterised in that: in described retort
It is additionally provided with water inlet pipe and outlet pipe；Slag notch is additionally provided with pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486338.7U CN205907117U (en) | 2016-05-25 | 2016-05-25 | Spent acid processing apparatus is washed to solar energy silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486338.7U CN205907117U (en) | 2016-05-25 | 2016-05-25 | Spent acid processing apparatus is washed to solar energy silicon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205907117U true CN205907117U (en) | 2017-01-25 |
Family
ID=57814190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486338.7U Expired - Fee Related CN205907117U (en) | 2016-05-25 | 2016-05-25 | Spent acid processing apparatus is washed to solar energy silicon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205907117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317078A (en) * | 2018-11-15 | 2019-02-12 | 上海外高桥发电有限责任公司 | A kind of nano-sized magnesium hydroxide recycling concentric drums reactor |
-
2016
- 2016-05-25 CN CN201620486338.7U patent/CN205907117U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317078A (en) * | 2018-11-15 | 2019-02-12 | 上海外高桥发电有限责任公司 | A kind of nano-sized magnesium hydroxide recycling concentric drums reactor |
| CN109317078B (en) * | 2018-11-15 | 2021-10-01 | 上海外高桥发电有限责任公司 | Concentric cylinder reactor for recycling nano magnesium hydroxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 |