CN201678463U - Fly ash slurry mixed heating acid-method dissolution device - Google Patents
Fly ash slurry mixed heating acid-method dissolution device Download PDFInfo
- Publication number
- CN201678463U CN201678463U CN2010201766937U CN201020176693U CN201678463U CN 201678463 U CN201678463 U CN 201678463U CN 2010201766937 U CN2010201766937 U CN 2010201766937U CN 201020176693 U CN201020176693 U CN 201020176693U CN 201678463 U CN201678463 U CN 201678463U
- Authority
- CN
- China
- Prior art keywords
- level
- reactor
- primary heater
- water pot
- condensation water
- Prior art date
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000010881 fly ash Substances 0.000 title claims abstract description 26
- 239000002002 slurry Substances 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 title abstract description 5
- 238000004090 dissolution Methods 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000009833 condensation Methods 0.000 claims description 41
- 230000005494 condensation Effects 0.000 claims description 41
- 239000002253 acid Substances 0.000 claims description 24
- 238000010790 dilution Methods 0.000 claims description 10
- 239000012895 dilution Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000007865 diluting Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 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
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012066 reaction slurry Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Abstract
The utility model relates to a fly ash slurry mixed heating acid-method dissolution device, which comprises a sleeve preheater, a reactor, a flash vessel, a diluting tank and a condensate tank. The sleeve preheater comprises an I-stage sleeve preheater and a II-stage sleeve preheater which are connected end to end, the reactor comprises a first reactor, a second reactor and a third reactor, the first reactor is connected with the II-stage sleeve preheater, the second reactor is connected with the first reactor, the third reactor is connected with the second reactor, the flash vessel comprises a I-stage flash vessel and a II-stage flash vessel connected with the I-stage flash vessel, and the condensate tank comprises a I-stage condensate tank and a II-stage condensate tank. After processes of the fly slurry mixed heating acid-method dissolution device, aluminum oxide in fly ash acts with hydrochloric acid to generate aluminum chloride which is then dissolved in solution, thereby providing raw materials for preparing aluminum oxide in the next process. In addition, the fly ash slurry mixed heating acid-method dissolution device has the advantages of sufficiently utilizing heat and saving production cost.
Description
Technical field
The utility model relates to the dissolving-out process device that a kind of flyash acid system is produced aluminum oxide, particularly relates to the hybrid hot acid method's of the adding dissolving device of a kind of flyash slurry.
Background technology
It is the of paramount importance a kind of mode of total utilization of PCA that flyash extracts aluminum oxide, and this not only can administer plant residue, can also bring economic benefit, environmental benefit and social benefit simultaneously, therefore is subjected to paying close attention to widely.
Flyash production method of alumina mainly concentrates on sintering process (lime sinter process, soda-lime sintering process), alkaline leaching (sodium hydroxide solution molten silicon is earlier carried aluminium again) and acid system (salt acid system, sulfuric acid process) at present.Get the dissolving-out process of aluminum oxide and the dissolving device of use thereof at flyash hydrochloric acid legal system, still do not have this kind Technology and relevant device at present both at home and abroad, the utility model has been filled up the blank of this field production unit.
The utility model content
The purpose of this utility model is, overcomes the defective of above-mentioned prior art and provides the flyash slurry that a kind of technology is provided with simply, production process is easy to control the hybrid hot acid method's of adding dissolving device.
For achieving the above object, the utility model is taked following design:
The hybrid hot acid method's dissolving device that adds of a kind of flyash slurry comprises: cannula primary heater, described cannula primary heater comprise end to end I level cannula primary heater and II level cannula primary heater; Reactor, described reactor comprise the 1# reactor that links to each other with described II level cannula primary heater, the 2# reactor that links to each other with described 1# reactor, the 3# reactor that links to each other with described 2# reactor; Flasher, described flasher comprise the I level flasher that links to each other with described 3# reactor, and the II level flasher that links to each other with described I level flasher; Dilution trap, described dilution trap is connected with the discharge port of described II level flasher, and also is provided with the discharging pump that liquid is pumped on described dilution trap; The condensation water pot, described condensation water pot comprises I level condensation water pot and II level condensation water pot, the inlet of wherein said I level condensation water pot is connected with described II level cannula primary heater, the air outlet of described I level condensation water pot is returned and is led to II level cannula primary heater, and the liquid outlet of I level condensation water pot leads to described II level condensation water pot; And the inlet of described II level condensation water pot is connected with described I level cannula primary heater, and the air outlet of described II level condensation water pot is returned and led to I level cannula primary heater, and the liquid outlet place of II level condensation water pot is provided with condensate pump.
Preferably, the air outlet of described II level flasher is connected with described I level cannula primary heater.
Preferably, the air outlet of described I level flasher is connected with described II level cannula primary heater.
Preferably, also comprise the live steam pipeline that is connected with the 1# reactor.
The beneficial effects of the utility model are:
The utility model prepares at whole flyash acid system and has core status in the alumina technology: after the operation at the utility model place, aluminum oxide in the flyash and hydrochloric acid reaction are dissolved into solution with the aluminum chloride form, for postorder is produced the aluminum oxide raw material that provides the foundation.And, the utlity model has and make full use of heat energy, production cost saving.
Description of drawings
Fig. 1 is the device synoptic diagram of a kind of embodiment of the utility model.
Embodiment
Referring to Fig. 1, the hybrid preferred embodiment that adds hot acid method's dissolving device of a kind of flyash slurry of the utility model shown in it comprises cannula primary heater, and described cannula primary heater comprises end to end I level cannula primary heater 1 and II level cannula primary heater 2; The hybrid hot acid method's of the adding dissolving device of flyash slurry of the present utility model also comprises reactor and flasher, wherein, described reactor comprises the 1# reactor 3 that links to each other with described II level cannula primary heater 2, and the 2# reactor 4 that links to each other with described 1# reactor 3, the 3# reactor 5 that links to each other with described 2# reactor 4, and the pipeline that is connected with live steam leads in the described 1# reactor 3; Described flasher comprises interconnective I level flasher 9 and II level flasher 10, wherein, described I level flasher 9 links to each other with described 3# reactor 5, and, the air outlet of this I level flasher 9 also links to each other with described II level cannula primary heater 2, can reclaim the secondary steam that comes out from I level flasher 9 thus, and the secondary steam that reclaims is passed in the described II level cannula primary heater 2 slip is carried out preheating; The air outlet of described II level flasher 10 also links to each other with described I level cannula primary heater 1, can reclaim the secondary steam that comes out from II level flasher 10 thus, and the secondary steam that reclaims is passed in the described I level cannula primary heater 1, and slip is carried out preheating.
Described II level flasher 10 downstreams are provided with dilution trap 11 and the discharging pump 12 that links to each other successively, and described discharging pump 12 leads to the separation tank (not shown), and described dilution trap 11 also links to each other with acid sludge washing plant (not shown).
Preferably, preferred embodiment of the present utility model also is provided with the condensation water pot, and this condensation water pot comprises interconnective I level condensation water pot 6 and II level condensation water pot 7, and the air outlet of wherein said I level condensation water pot 6 is connected with described II level cannula primary heater 2.When the excess steam that II level cannula primary heater 2 is produced is converted into water of condensation, again send consequent secondary steam back to II level cannula primary heater 2 in company with the secondary steam that produces in the I level flasher 9 and be used for preheating procedure, so, can repeatedly recycle heat and steam, heat energy is utilized fully, energy efficient, reduce cost.On the other hand, the air outlet of described II level condensation water pot 7 is connected with described I level cannula primary heater 1, when the excess steam that I level cannula primary heater 1 is produced is converted into water of condensation, can sends consequent secondary steam back to I level cannula primary heater 1 again in company with the secondary steam that produces in the II level flasher 10 and be used for preheating procedure.So, play too repeatedly recycle heat and steam, with heat energy utilize fully, energy efficient, the effect that reduces cost.Further, flow into the II level condensation water pot 7 from the liquid outlet of I level condensation water pot 6, and together deliver to acid sludge hot wash-water groove (not shown), be used for the acid sludge washing by condensate pump 8 with the water of condensation in the II level condensation water pot 7.
Referring to Fig. 1, the working process of the hybrid hot acid method's of the adding dissolving device of a kind of flyash slurry of the utility model is equally:
At first, flyash and mixed in hydrochloric acid slip that batching is come are warming up to 40～70 ℃ through I level pipeline preheater 1, II level cannula primary heater 2, are preferably 63 ℃; Then, enter 1# reactor 3,2# reactor 4,3# reactor 5 successively through the slip after 2 intensifications of II level cannula primary heater, and in 1# reactor 3, feed live steam (about 140～170 ℃ of temperature, be preferably 165 ℃) direct heating with slip to about 140～160 ℃, be preferably 150 ℃, insulation stops after 0.5～2 hour and enters I level flasher 9.
Afterwards, the stripping reaction slurry that comes out from 1～3# reactor concentrates and is cooled to 118～125 ℃ through I level flasher 9, II level flasher 10, preferably is cooled to 123 ℃, enters dilution trap 11 then.
On the other hand, the slip after the stripping flash distillation mixes (about 105 ℃ of mixed slurry temperature) with the once washing overflowing liquid that the acid sludge washing is sent here in dilution trap 11, and mixed slurry is delivered to separation tank with pump 12.
In the present embodiment, the secondary steam that I level flasher 9 comes out (about 119 ℃ of temperature) enters in the II level cannula primary heater 2, is used for the preheating slip, and the water of condensation of secondary steam enters I level condensation water pot 6.
Similarly, the secondary steam that II level flasher 10 comes out (about 105 ℃ of temperature) enters in the I level cannula primary heater 1, is used for the preheating slip, and the water of condensation of secondary steam enters II level condensation water pot 7.
The water of condensation of above-mentioned I level condensation water pot 6, II level condensation water pot 7 is delivered to acid sludge hot wash-water groove by pump 8, is used for the acid sludge washing.
The utility model prepares at whole flyash acid system and has core status in the alumina technology: after this operation, aluminum oxide in the flyash and hydrochloric acid reaction are dissolved into solution with the aluminum chloride form, for postorder is produced the aluminum oxide raw material that provides the foundation.
Obviously, those of ordinary skill in the art can constitute the stripping equipment that various types of flyash acid systems are produced aluminum oxide with the hybrid hot acid method's dissolving device that adds of a kind of flyash slurry of the present utility model.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the utility model scope; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (4)
1. hybrid hot acid method's dissolving device that adds of flyash slurry, it is characterized in that: described dissolving device comprises:
Cannula primary heater, described cannula primary heater comprise end to end I level cannula primary heater (1) and II level cannula primary heater (2);
Reactor, described reactor comprise the 1# reactor (3) that links to each other with described II level cannula primary heater (2), the 2# reactor (4) that links to each other with described 1# reactor (3), the 3# reactor (5) that links to each other with described 2# reactor (4);
Flasher, described flasher comprise the I level flasher (9) that links to each other with described 3# reactor (5), and the II level flasher (10) that links to each other with described I level flasher (9);
Dilution trap (11), described dilution trap (11) is connected with the discharge port of described II level flasher (10), and also is provided with the discharging pump (12) that liquid is pumped on described dilution trap (11);
The condensation water pot, described condensation water pot comprises I level condensation water pot (6) and II level condensation water pot (7), the inlet of wherein said I level condensation water pot (6) is connected with described II level cannula primary heater (2), the air outlet of described I level condensation water pot (6) is returned and is led to II level cannula primary heater (2), and the liquid outlet of I level condensation water pot (6) leads to described II level condensation water pot (7); And, the inlet of described II level condensation water pot (7) is connected with described I level cannula primary heater (1), the air outlet of described II level condensation water pot (7) is returned and is led to I level cannula primary heater (1), and the liquid outlet place of II level condensation water pot (7) is provided with condensate pump (8).
2. the hybrid hot acid method's dissolving device that adds of flyash slurry according to claim 1 is characterized in that: the air outlet of described II level flasher (10) is connected with described I level cannula primary heater (1).
3. the hybrid hot acid method's dissolving device that adds of flyash slurry according to claim 2 is characterized in that: the air outlet of described I level flasher (9) is connected with described II level cannula primary heater (2).
4. the hybrid hot acid method's dissolving device that adds of flyash slurry according to claim 1 is characterized in that: also comprise the live steam pipeline that is connected with 1# reactor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201766937U CN201678463U (en) | 2010-04-27 | 2010-04-27 | Fly ash slurry mixed heating acid-method dissolution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201766937U CN201678463U (en) | 2010-04-27 | 2010-04-27 | Fly ash slurry mixed heating acid-method dissolution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201678463U true CN201678463U (en) | 2010-12-22 |
Family
ID=43343516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201766937U Expired - Lifetime CN201678463U (en) | 2010-04-27 | 2010-04-27 | Fly ash slurry mixed heating acid-method dissolution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201678463U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205983A (en) * | 2010-04-27 | 2011-10-05 | 中国神华能源股份有限公司 | Method and device for dissolving fly ash slurry out by hybrid acid heating method |
| CN102689930A (en) * | 2011-03-24 | 2012-09-26 | 镇江市丹徒区江南热镀锌有限公司 | Hydrochloric acid pickling waste liquid resource integrated utilization method for preparing iron oxide and ammonium sulfate |
| CN102690010A (en) * | 2011-03-24 | 2012-09-26 | 镇江市丹徒区江南热镀锌有限公司 | Resource integrated utilization and treatment method of hydrochloric acid pickling waste liquid |
-
2010
- 2010-04-27 CN CN2010201766937U patent/CN201678463U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205983A (en) * | 2010-04-27 | 2011-10-05 | 中国神华能源股份有限公司 | Method and device for dissolving fly ash slurry out by hybrid acid heating method |
| CN102205983B (en) * | 2010-04-27 | 2012-09-19 | 中国神华能源股份有限公司 | Method and device for dissolving fly ash slurry out by hybrid acid heating method |
| CN102689930A (en) * | 2011-03-24 | 2012-09-26 | 镇江市丹徒区江南热镀锌有限公司 | Hydrochloric acid pickling waste liquid resource integrated utilization method for preparing iron oxide and ammonium sulfate |
| CN102690010A (en) * | 2011-03-24 | 2012-09-26 | 镇江市丹徒区江南热镀锌有限公司 | Resource integrated utilization and treatment method of hydrochloric acid pickling waste liquid |
| CN102689930B (en) * | 2011-03-24 | 2014-07-30 | 镇江市丹徒区江南热镀锌有限公司 | Hydrochloric acid pickling waste liquid resource integrated utilization method for preparing iron oxide and ammonium sulfate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102205983B (en) | Method and device for dissolving fly ash slurry out by hybrid acid heating method | |
| CN204234668U (en) | The automatic recycling equipment of the wax in lost wax casting | |
| CN102642857B (en) | Process method for producing metal aluminium by high-alumina fly ash | |
| CN201678463U (en) | Fly ash slurry mixed heating acid-method dissolution device | |
| CN104030381B (en) | A kind of system and method utilizing oil field ground waste heat to prepare injection boiler feedwater | |
| CN102249271B (en) | Tube array and remaining tank dissolving-out system and method for gibbsite bauxite | |
| CN106276999A (en) | A kind of method recycling dissolution flash distillation exhaust steam in alumina producing | |
| CN104263947A (en) | Resource recycling process for sludge containing rare earth catalyst | |
| CN103342435A (en) | Comprehensive utilization device of acetylene purification waste sodium hypochlorite | |
| CN203360208U (en) | Waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning | |
| CN102583461A (en) | Device and method for preheating by utilizing steam condensate water for aluminum oxide high-pressure digestion process | |
| CN103979640B (en) | A kind of softening water treatment system and method | |
| CN104696946A (en) | Process and process system for steam exhaust liquid heat energy recovery and desalted water recovery | |
| CN106145166A (en) | A kind of alumina producing mesohigh dissolution heat integration Application way and device | |
| CN202099075U (en) | Tubulation and staying tank dissolving-out system of gibbsite bauxite | |
| CN202101561U (en) | Circulatory purification cooling system for electric smelting furnace | |
| CN102398912B (en) | Dissolution technology of high alumina fly ash by method of sulphuric acid | |
| CN201678447U (en) | Medical electronic grade sulfuric acid refining unit | |
| CN205886822U (en) | An automatic feeding device | |
| CN203021307U (en) | Alumina dissolution equipment | |
| CN205170408U (en) | Prepare trinity system device of high -purity lithium carbonate | |
| CN218709233U (en) | Extraction system for extracting elements from fly ash | |
| CN212102006U (en) | Ammonia supply system for preparing sodium carbonate | |
| CN103641142B (en) | A kind of desilication method of full canalization reacting by heating of flyash | |
| CN218741448U (en) | Preheating system for crystallization and hydrolysis by utilizing titanium dioxide device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SHENHUA ZHUNGER ENERGY CO., LTD. Effective date: 20111206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111206 Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee after: China Shenhua Energy Co., Ltd. Address before: 100011 Beijing city Dongcheng District No. 16 Andrew intercontinental 4 storey building Co-patentee before: Shenhua Zhunger Energy Co., Ltd. Patentee before: China Shenhua Energy Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |