CN206666128U - A kind of energy-saving metallurgical waste acidity recovery processing unit - Google Patents
A kind of energy-saving metallurgical waste acidity recovery processing unit Download PDFInfo
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- CN206666128U CN206666128U CN201720349305.2U CN201720349305U CN206666128U CN 206666128 U CN206666128 U CN 206666128U CN 201720349305 U CN201720349305 U CN 201720349305U CN 206666128 U CN206666128 U CN 206666128U
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- thermal source
- temperature receiver
- pump
- sulfuric acid
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- 238000011084 recovery Methods 0.000 title claims abstract description 26
- 239000002699 waste material Substances 0.000 title claims abstract description 24
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 103
- 239000002253 acid Substances 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000002425 crystallisation Methods 0.000 claims abstract description 44
- 230000008025 crystallization Effects 0.000 claims abstract description 44
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 18
- 238000005057 refrigeration Methods 0.000 claims abstract description 6
- 238000001556 precipitation Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 18
- 238000001816 cooling Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000011790 ferrous sulphate Substances 0.000 description 4
- 235000003891 ferrous sulphate Nutrition 0.000 description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000009854 hydrometallurgy Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- -1 hydrometallurgy Chemical compound 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- YALHCTUQSQRCSX-UHFFFAOYSA-N sulfane sulfuric acid Chemical compound S.OS(O)(=O)=O YALHCTUQSQRCSX-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Physical Water Treatments (AREA)
Abstract
The utility model discloses a kind of energy-saving metallurgical waste acidity recovery processing unit.It includes spent acid pond, sedimentation basin, sour water separator, crystallization kettle and the solid-liquid separator being sequentially connected, and sour water separator connects the first thermal source pump and condenser；Crystallization kettle connection Secondary Heat Source pump, low-temperature receiver pump and refrigeration system, solid-liquid separator connection sulfate storage tank and sulfuric acid storage tank, the first thermal source pump connection Secondary Heat Source pump, crystallization liberated heat is reached into sour water separator and used as thermal source, low-temperature receiver pump connection sulfuric acid storage tank.Device of the present utility model is used to be separated in spent acid, solid and liquid are all recycled after separation, have certain economy return, reduce processing cost, spent acid processing no pollution, zero-emission, full recovery, the purpose of complete utilization are realized, suitable for popularization and application.
Description
Technical field
The utility model belongs to method for treating industrial waste acid, particularly a kind of energy-saving metallurgical waste acidity recovery processing unit,
It can realize the purpose of full recovery, complete utilization, no pollution and zero-emission.
Background technology
During nature mineral extraction, sulfuric acid, such as hydrometallurgy, seamless steel tube production, aluminium anodes need to be largely used
Oxidation, Treatment of Metal Surface, oil alkylation etc..These industries can produce a large amount of spent acid in industrial production, according to Chinese work
2.5 hundred million tons of industry association data, the annual main product of China and by-product sulfuric acid, produce spent acid more than 800,000,000 tons！Titanium white only in hydrometallurgy
Industry, often producing 1t titanium dioxides needs the dense H of about 4t2SO4, 8t spent acid is generated after reaction.Spent acid can neither be utilized directly, with country
The reinforcement of environmental protection policy, also absolute prohibition arbitrarily discharge.
It is domestic at present mainly using plus alkalization learn neutralisation, while used device, also need largely to use alkali；Liquid after neutralization
Body saliferous is exceeded, could be discharged after need to continuing with；And period can produce substantial amounts of poisonous waste residue.Also have using at evaporation
Spent acid is managed, but technique is complex, and it is larger to consume energy.
Therefore, in face of the fast-developing and environmentally friendly of economy, the reinforcement of recycling economy consciousness, needing one kind badly can effectively locate
Manage and recycle spent acid, and can saves energy, the process of simple possible.
Utility model content
In view of the shortcomings of the prior art, the utility model proposes a kind of energy-saving metallurgical recovery treatment method of waste acid and dress
Put, it is energy-saving full recovery, complete utilization, no pollution, the metallurgical Waste Sulfuric Acid processing method of zero-emission, and low temperature steaming is carried out to spent acid
Hair and cooling two-way simultaneous technique so that the moisture evaporation in spent acid is reduced, and the ferrous sulfate supersaturation in spent acid is with crystal
Form is separated out, and the ferrous sulfate of precipitation can be sold, and the remaining slightly higher dilute sulfuric acid of concentration can add any allotment concentration after water or acid adding, return
For workshop.
Described energy-saving metallurgical waste acidity recovery processing unit, it is characterised in that including be sequentially connected spent acid pond, precipitation
Pond, sour water separator, crystallization kettle and solid-liquid separator, the sour water separator connect the first thermal source pump and condenser；Crystallization kettle
Connect Secondary Heat Source pump, low-temperature receiver pump and refrigeration system, solid-liquid separator connection sulfate storage tank and sulfuric acid storage tank, the first thermal source pump
Secondary Heat Source pump is connected, crystallization liberated heat is reached into sour water separator uses as thermal source, low-temperature receiver pump connection sulfuric acid storage tank, the
The thermal source of one thermal source pump and the low-temperature receiver of condenser carry out heat exchange in sour water separator, and the thermal source of the first thermal source pump becomes low-temperature receiver,
The low-temperature receiver is used with low-temperature receiver of the low temperature sulfuric acid in sulfuric acid storage tank as crystallization kettle.
Described energy-saving metallurgical waste acidity recovery processing unit, it is characterised in that sedimentation basin includes the first sedimentation basin and second
Sedimentation basin.
Described energy-saving metallurgical waste acidity recovery processing unit, it is characterised in that sedimentation basin, sour water separator, crystallization kettle and
Sulfuric acid storage tank is equipped with THz wave online detection and control dress device, monitors sulfuric acid in each equipment in spent acid, sulfate in real time
Concentration.
Described energy-saving metallurgical waste acidity recovery processing unit, it is characterised in that the first thermal source pump is also connected with low-temperature receiver pump, will
First thermal source pumps out the low-temperature receiver come and is pumped to through low-temperature receiver in crystallization kettle as low-temperature receiver use.
Described a kind of energy-saving metallurgical recovery treatment method of waste acid, it is characterised in that comprise the following steps：Metallurgical spent acid
Collect into spent acid pond, being sent to sedimentation basin by spent acid pond precipitates, and the acid solution after precipitation enters sour water separator and carries out low temperature sour water
Separation, reaches more than 50% after separation to the sulfuric acid content in spent acid, is cooled down into crystallization kettle, reduces remaining sulfate in spent acid
Content, solid-liquid separator is entered after being cooled to 4 DEG C to spent acid temperature and carries out separation of solid and liquid, the ferrous sulfate salt crystal of precipitation is received
Collection, the high-concentration sulfuric acid after processing are collected into sulfuric acid storage tank, carry out production reuse, liberated heat is collected when crystallization kettle crystallizes
As the thermal source needed for the separation of low temperature sour water, the heat source medium after the heat exchange cooling of sour water separator and the high concentration after processing
Sulfuric acid realizes the recycling of energy as the low-temperature receiver required for crystallization kettle.
Described a kind of energy-saving metallurgical recovery treatment method of waste acid, it is characterised in that precipitation uses secondary precipitation.
Described a kind of energy-saving metallurgical recovery treatment method of waste acid, it is characterised in that low temperature sour water is separated in pressurized conditions
Under, the boiling point of water is reduced, water is gone out to steam from spent acid, the temperature in the separation of low temperature sour water is 80-0 DEG C, and pressure is in -0.1MPa
Between -0.046MPa.
Described a kind of energy-saving metallurgical recovery treatment method of waste acid, it is characterised in that sedimentation basin, sour water separator, crystallization
Kettle and sulfuric acid storage tank are equipped with THz wave online detection and control dress device, monitor sulfuric acid, the sulfuric acid in each equipment in spent acid in real time
The concentration of salt.
Described a kind of energy-saving metallurgical recovery treatment method of waste acid, it is characterised in that crystallization kettle cooling procedure is using ultrasound
Wave interference optimization crystallization.
A kind of described energy-saving metallurgical recovery treatment method of waste acid, it is characterised in that the sulfate concentration in sulfuric acid storage tank
Less than 0.25%.
By using above-mentioned technology, compared with prior art, the beneficial effects of the utility model are as follows：
1）The utility model, will by the way that the first thermal source pump on sour water separator to be connected to the Secondary Heat Source pump on crystallization kettle
Sulphate crystal liberated heat reaches sour water separator and used as thermal source in crystallization kettle, while the low-temperature receiver pump on crystallization kettle is connected
Connect sulfuric acid storage tank, using its thermal source becomes after the cooling of sour water separator low-temperature receiver, after separation of solid and liquid low temperature sulfuric acid as crystallizing
The low-temperature receiver of kettle is used, and it is using heat pump techniques recovery waste heat, waste cold and makes full use of, and saves big energy；
2）Crystallization kettle is connected ultrasonic wave by the utility model, is disturbed and crystallized using ultrasonic wave, i.e., using high accuracy purification sulphur
Hydrochlorate crystallization processes technology, remaining sulfate 0.25% in the sulfuric acid after processing, meets industry reuse standard；
3）The utility model uses the physical method of low-temperature evaporation and cooling two-way simultaneous by the sulfate and sulphur in spent acid
Acid is separated, and does not add any chemical agent in spent acid processing procedure so that the moisture evaporation in spent acid is reduced, in spent acid
Ferrous sulfate supersaturation separated out in the form of crystal, the ferrous sulfate of precipitation can be sold, and sulfuric acid can add any after water or acid adding
Concentration is allocated, workshop is back to, i.e., is all recycled spent acid after separation, there is certain economy return,
Processing cost is reduced, spent acid processing no pollution, zero-emission, full recovery, the purpose of complete utilization are realized, suitable for popularization and application.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- spent acid pond, the sedimentation basins of 21- first, the sedimentation basins of 22- second, 3- sour water separators, 4- crystallization kettles, 5- are solid
Liquid/gas separator, 6- sulfuric acid storage tanks, 7- the first thermal source pumps, 8- condensers, 9- Secondary Heat Source pumps, 10- low-temperature receiver pumps, the storage of 11- sulfate
Tank, 12- ultrasonic waves, 13- THz waves online detection and control dress device.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model will be further described, but guarantor of the present utility model
Shield scope is not limited to that：
As shown in figure 1, energy-saving metallurgical waste acidity recovery processing unit of the present utility model, including the spent acid pond being sequentially connected
1st, sedimentation basin, sour water separator 3, crystallization kettle 4 and solid-liquid separator 5, the sour water separator 3 connect the first thermal source pump 7 and cold
Condenser 8；Crystallization kettle 4 connects Secondary Heat Source pump 9, low-temperature receiver pump 10 and refrigeration system, solid-liquid separator 5 connect sulfate storage tank 11 and
Sulfuric acid storage tank 6, the first thermal source pump 7 connection Secondary Heat Source pump 9, crystallization liberated heat is reached into sour water separator 3 as thermal source
With low-temperature receiver pump 10 connects sulfuric acid storage tank 6, is used the sulfuric acid of low temperature as the low-temperature receiver of crystallization kettle 4, the utility model practical operation
In, low-temperature receiver pump 10 can also connect the first thermal source pump 7, because the thermal source of the first thermal source pump 7 comes from Secondary Heat Source pump 9, the thermal source
Into sour water separator 3, heated to sour water, the heating evaporation in the presence of vacuum of the water in sour water, by the dry empty vapour in condenser 8
Cooling forms water and carries out reuse or discharge, and heat source temperature, which reduces, becomes low-temperature receiver, and the low-temperature receiver can also crystallize required as crystallization kettle 4
Low-temperature receiver.
When the utility model just works, the low-temperature receiver that crystallization kettle 4 needs when crystallizing is provided by refrigeration system, is worked to a timing
Between when, refrigeration system is closed, and low-temperature receiver is by the low temperature that is obtained after separation of solid and liquid（4℃）Sulfuric acid provide or passed through by sour water separator 3
There is provided with the low-temperature receiver that the first thermal source pump 7 comes out, as refrigerating fluid, help butterfly crystal.In order to improve sedimentation effect, the utility model
Sedimentation basin include at least two, use two sedimentation basins in embodiment：First sedimentation basin 21 and the second sedimentation basin 22, in order to carry
Highly crystalline effect, the sulphates content that grinds in sulfuric acid is reduced, the utility model connects ultrasonic wave 12 on crystallization kettle 4, and interference is excellent
Change crystallization, reduce remaining sulphates content in spent acid.
For the ease of monitoring the concentration of sulfuric acid and sulfate in each device in real time, the utility model is in sedimentation basin, sour water point
From THz wave online detection and control dress device 13 is equipped with device 3, crystallization kettle 4 and sulfuric acid storage tank 6, monitors in each equipment and give up in real time
The concentration of sulfuric acid, sulfate in acid.
As illustrated, the energy-saving metallurgical recovery treatment method of waste acid of one kind of the present utility model, comprises the following steps：It is metallurgical
Spent acid is collected into spent acid pond 1, and being sent to sedimentation basin by spent acid pond 1 precipitates, and the acid solution after precipitation carries out low into sour water separator 3
Warm sour water separation, the temperature in the separation of low temperature sour water is 80-0 DEG C, and pressure is between -0.1MPa and -0.046MPa, after separation extremely
Sulfuric acid content in spent acid reaches more than 50%, is cooled down into crystallization kettle 4, and in order to improve crystallization effect, the utility model is using super
Sound wave interference optimization crystallizes, and reduces remaining sulphates content in spent acid, solid-liquid separator is entered after being cooled to 4 DEG C to spent acid temperature
5 carry out separation of solid and liquid, and the ferrous sulfate salt crystal of precipitation is collected, and the high-concentration sulfuric acid after processing is collected into sulfuric acid storage tank 6, sulphur
Sulfate concentration is less than 0.25% in acid storage tank 6, and the sulfuric acid can be through diluting or directly carrying out production reuse, when crystallization kettle 4 crystallizes
Liberated heat collects the thermal source needed for as the separation of low temperature sour water, and the high-concentration sulfuric acid after processing is as needed for crystallization kettle 4
The low-temperature receiver wanted, the recycling of energy is realized, makes full use of Cooling and Heat Source, save big energy, sedimentation basin, sour water separator 3, knot
Brilliant kettle 4 and sulfuric acid storage tank 6 are equipped with THz wave online detection and control dress device 13, monitor the sulphur in spent acid in each equipment in real time
Acid, the concentration of sulfate.
Embodiment 1：
Metallurgical spent acid（Sulfuric acid concentration 25%, sulfate concentration 10%）After 1t is discharged into spent acid pond 1, in the first sedimentation basin 21 and
Two sedimentation basins 22 pass through secondary precipitation, and the acid solution after precipitation enters sour water separator 3 and carries out low temperature sour water separation, and separation temperature is
60 DEG C, pressure is -0.08MPa, and the acid concentration in spent acid is significantly lifted, when sulfuric acid content reaches more than 50%,（Separate water outlet
Amount be 0.5t）, cooled down into crystallization kettle 4, cooling procedure reduces remaining sulfuric acid in spent acid using the disturbed optimization crystallization of ultrasound
Salt content, separation of solid and liquid after chilling temperature reaches 4 DEG C, the errous sulfate crystal 0.0992t commodity sellings of precipitation, containing after processing
Reuse can be produced by measuring 62.4% high-concentration sulfuric acid 0.4t.
Embodiment 2：
Metallurgical spent acid（Sulfuric acid concentration 23%, sulfate concentration 8%）After 1t is discharged into spent acid pond 1, in the first sedimentation basin 21 and
Two sedimentation basins 22 pass through secondary precipitation, and the acid solution after precipitation enters sour water separator 3 and carries out low temperature sour water separation, and separation temperature is
65 DEG C, pressure is -0.072MPa, and the acid concentration in spent acid is significantly lifted, when sulfuric acid content reaches more than 50%,（Separate water outlet
Amount be 0.54t）, cooled down into crystallization kettle 4, cooling procedure reduces residual sulfur in spent acid using the disturbed optimization crystallization of ultrasound
Phosphate content, separation of solid and liquid after chilling temperature reaches 4 DEG C, the errous sulfate crystal 0.0792t commodity sellings of precipitation, contains after processing
The high-concentration sulfuric acid 0.38t of amount 60.4% can produce reuse.
Claims (4)
1. a kind of energy-saving metallurgical waste acidity recovery processing unit, it is characterised in that including the spent acid pond being sequentially connected（1）, precipitation
Pond, sour water separator（3）, crystallization kettle（4）And solid-liquid separator（5）, the sour water separator（3）Connect the first thermal source pump（7）
And condenser（8）；Crystallization kettle（4）Connect Secondary Heat Source pump（9）, low-temperature receiver pump（10）And refrigeration system, solid-liquid separator（5）Connection
Sulfate storage tank（11）And sulfuric acid storage tank（6）, the first thermal source pump（7）Connect Secondary Heat Source pump（9）, crystallization liberated heat is passed
To sour water separator（3）Used as thermal source, low-temperature receiver pump（10）Connect sulfuric acid storage tank（6）, the first thermal source pump（7）Thermal source and condensation
Device（8）Low-temperature receiver in sour water separator（3）Carry out heat exchange, the first thermal source pump（7）Thermal source become low-temperature receiver, the low-temperature receiver and sulfuric acid
Storage tank（6）In low temperature sulfuric acid as crystallization kettle（4）Low-temperature receiver use.
2. energy-saving metallurgical waste acidity recovery processing unit according to claim 1, it is characterised in that sedimentation basin includes first
Sedimentation basin（21）With the second sedimentation basin（22）.
3. energy-saving metallurgical waste acidity recovery processing unit according to claim 1, it is characterised in that sedimentation basin, sour water separation
Device（3）, crystallization kettle（4）And sulfuric acid storage tank（6）THz wave online detection and control dress device is equipped with, monitors in each equipment and gives up in real time
The concentration of sulfuric acid, sulfate in acid.
4. energy-saving metallurgical waste acidity recovery processing unit according to claim 1, it is characterised in that the first thermal source pump（7）Also
Connect low-temperature receiver pump（10）, by the first thermal source pump（7）Low-temperature receiver out is through low-temperature receiver pump（10）Deliver to crystallization kettle（4）It is middle to be used as low-temperature receiver
With.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349305.2U CN206666128U (en) | 2017-04-05 | 2017-04-05 | A kind of energy-saving metallurgical waste acidity recovery processing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349305.2U CN206666128U (en) | 2017-04-05 | 2017-04-05 | A kind of energy-saving metallurgical waste acidity recovery processing unit |
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| Publication Number | Publication Date |
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| CN206666128U true CN206666128U (en) | 2017-11-24 |
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ID=60367762
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| CN201720349305.2U Expired - Fee Related CN206666128U (en) | 2017-04-05 | 2017-04-05 | A kind of energy-saving metallurgical waste acidity recovery processing unit |
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| Country | Link |
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| CN (1) | CN206666128U (en) |
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2017
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