CN203798141U - Drying calcining plant - Google Patents
Drying calcining plant Download PDFInfo
- Publication number
- CN203798141U CN203798141U CN201320849125.2U CN201320849125U CN203798141U CN 203798141 U CN203798141 U CN 203798141U CN 201320849125 U CN201320849125 U CN 201320849125U CN 203798141 U CN203798141 U CN 203798141U
- Authority
- CN
- China
- Prior art keywords
- drying
- mixer
- appendix
- rotary kiln
- secondary separation
- 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 - Fee Related
Links
- 238000001035 drying Methods 0.000 title claims abstract description 32
- 238000001354 calcination Methods 0.000 title claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000011435 rock Substances 0.000 abstract description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011591 potassium Substances 0.000 abstract description 6
- 229910052700 potassium Inorganic materials 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000006115 defluorination reaction Methods 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 239000004568 cement Substances 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a drying calcining plant. The drying calcining plant comprises a rotary kiln, a hot blast heater, primary separation devices, a primary induced draft fan, a dryer, secondary separation devices, a secondary induced draft fan, a gas pipe, a material collecting groove and mixers, wherein the hot blast heater, the rotary kiln, the primary separation devices, the primary induced draft fan, the dryer, the secondary separation devices and the secondary induced draft fan are sequentially connected through the gas pipe; the secondary separation devices are arranged above the material collecting groove, and the mixers are arranged below the material collecting groove. The drying calcining plant is used for recycling tail gas exhausted after combustion of the rotary kiln, pollution to the environment caused by tail gas is avoided, and production cost is reduced. Besides, by means of the drying calcining plant, the defluorination rate of the comprehensive utilization process of rocks containing potassium can be increased, the purity of products is greatly improved, the recycling rate of defluorination flux is increased, and production cost is further reduced.
Description
Technical field
The utility model relates to mineral intermediate calcining technology field, particularly relates to a kind of drying and calcining equipment.
Background technology
Rotary kiln refers to rotary calcining kiln, belongs to building equipment class, and rotary kiln can be divided into cement kiln, chemical metallurgy kiln and limekiln by material handling difference.Cement kiln is mainly used in calcination of cement clinker, point dry production cement kiln and the large class of wet production cement kiln two.Chemical metallurgy kiln is mainly used in the poor iron ore magnetic roasting of metallurgy industry steel plant; Chromium, josephinite oxidizing roasting; Refractory factory roasting high-aluminium vanadine ore deposit and aluminium manufacturer's roasting grog, aluminium hydroxide; The class mineral such as chemical plant roasting chrome ore and chromite ore fine.Active lime and light dolomite that limekiln is used for roasting steel plant, ferroalloy works.Therefore, rotary kiln is widely used aborning.But, while using rotary kiln to calcine rock, can discharge a large amount of high-temperature tail gas, not only contaminated environment of this high-temperature tail gas, and owing to it not being recycled, cause the waste of the energy, cause energy utilization rate low.
In potassium bearing rock intermediate calcination process, carry out defluorinate processing to potassium bearing rock intermediate, whether defluorinate has thoroughly not only determined the purity of subsequent product, and directly affects the rate of recovery of fluorine-containing auxiliary agent, and then affects the production cost of product.In the time using rotary kiln to calcine potassium bearing rock intermediate, because defluorinate is not thorough, cause the purity of subsequent product low.Application number is that the patent of CN201653174U discloses rotary kiln residual heat using device, this device is by utilizing rotary kiln waste heat, reach energy-conservation effect, but it does not relate to the recycling of the tail gas to discharging after rotary kiln high-temperature calcination, do not relate to the recycling to defluorinate auxiliary agent yet.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of drying and calcining equipment, and to overcome in prior art because the tail gas of rotary kiln discharge not only brings pollutions, causes the waste of the energy to environment, and defluorinate rate is low, subsequent product purity is low and the deficiency of existence.
The utility model solves the problems of the technologies described above by the following technical programs:
A kind of drying and calcining equipment, comprise rotary kiln, also comprise hot-blast stove, one-level separator, one-level air-introduced machine, drying machine, secondary separation device, two-stage air draft machine, appendix, material collecting tank and mixer, hot-blast stove, rotary kiln, one-level separator, one-level air-introduced machine, drying machine, secondary separation device and two-stage air draft machine couple together by appendix successively; The top of material collecting tank is provided with secondary separation device, and below is provided with mixer.
Described one-level separator is made up of two cyclone separators and an appendix, between cyclone separator, connects with appendix.
Described secondary separation device is made up of two cyclone separators and an appendix, between cyclone separator, connects with appendix.
Described mixer is spiral ribbon mixer, colter mixer or double worm mixer.
Described mixer below is provided with weighing device.
Described mixer is 1-4.
Described hot-blast stove one side is provided with assisted heating device.
Described hot-blast stove is the hot-blast stove with Multistage settling chamber.
Described drying machine is flash dryer.
The beneficial effects of the utility model are: after utilizing this equipment to rotary kiln burning, the tail gas of discharge is recycled, the pollution of not only having avoided tail gas to bring environment, and reduced production cost.Moreover, this equipment can also increase the defluorinate rate of potassium bearing rock intermediate, and defluorinate rate is reached more than 99%, has not only greatly improved the purity of subsequent product, and has increased the recovery utilization rate of defluorinate auxiliary agent, has further reduced production cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model drying and calcining equipment.
1-hot-blast stove; 2-rotary kiln; 3-one-level separator; 4-one-level air-introduced machine; 5-drying machine; 6-secondary separation device; 7-two-stage air draft machine; 8-appendix; 9-material collecting tank; 10-mixer; 11-double helix charger; 12-assisted heating device; 13-weighing device.
Detailed description of the invention
In order conveniently to those skilled in the art will recognize that below in conjunction with embodiment and accompanying drawing, the utility model is further described.Embodiment is only to the illustrating of this utility model, and is not to restriction of the present utility model, and the step of not doing in embodiment to illustrate is all prior arts, is not described in detail at this.
Embodiment 1
As shown in Figure 1, a kind of drying and calcining equipment, comprise hot-blast stove 1, rotary kiln 2, one-level separator 3, one-level air-introduced machine 4, drying machine 5, secondary separation device 6, two-stage air draft machine 7, appendix 8, material collecting tank 9 and mixer 10, hot-blast stove 1, rotary kiln 2, one-level separator 3, one-level air-introduced machine 4, drying machine 5, secondary separation device 6 and two-stage air draft machine 7 couple together by appendix 8 successively; Above material collecting tank 9, be provided with secondary separation device 6, its below is provided with mixer 10.
The hot blast flow process of this equipment is: hot-blast stove 1 → rotary kiln 2 → one-level separator 3 → one-level air-introduced machine 4 → drying machine 5 → secondary separation device 6 → two-stage air draft machine 7.Wherein, hot blast is to be produced by hot-blast stove 1, finally by outside two-stage air draft machine 7 device for transferring.
The material flow of this equipment is: first material enters drying machine 5 and be dried, dried material enters into secondary separation device 6, enter into aggregate bin 9 by secondary separation device 6 again, in aggregate bin 9 and after certain quantity of fluid mixing, enter mixer 10, then after mixing being completed, entering rotary kiln 2 calcines, finally discharged by 2 times outlets of rotary kiln, enter subsequent processing and carry out next step processing.
After utilizing this equipment to rotary kiln burning, the tail gas of discharge is recycled, the pollution of not only having avoided tail gas to bring environment, and reduced production cost.Moreover, this equipment can also increase the defluorinate rate of potassium bearing rock, and defluorinate rate is reached more than 99%, has not only greatly improved the purity of product, but also has increased the recovery utilization rate of defluorinate auxiliary agent, has further reduced production cost.
Embodiment 2
As shown in Figure 1, according to embodiment 1, described one-level separator 3 is made up of two cyclone separators and an appendix 8, between cyclone separator, connects with appendix 8; Described secondary separation device 6 is made up of two cyclone separators and an appendix 8, between cyclone separator, connects with appendix; Described mixer 10 is spiral ribbon mixer, colter mixer or double worm mixer, and quantity is 1,2,3 or 4, and its below is also provided with weighing device 13; Described hot-blast stove 1 is the hot-blast stove with Multistage settling chamber, is also provided with assisted heating device 12 in one side; Described drying machine 5 is flash dryer.
Claims (9)
1. a drying and calcining equipment, comprise rotary kiln (2), it is characterized in that: also comprise hot-blast stove (1), one-level separator (3), one-level air-introduced machine (4), drying machine (5), secondary separation device (6), two-stage air draft machine (7), appendix (8), material collecting tank (9) and mixer (10), hot-blast stove (1), rotary kiln (2), one-level separator (3), one-level air-introduced machine (4), drying machine (5), secondary separation device (6) and two-stage air draft machine (7) couple together by appendix (8) successively; The top of material collecting tank (9) is provided with secondary separation device (6), and below is provided with mixer (10).
2. drying and calcining equipment as claimed in claim 1, is characterized in that: described one-level separator (3) is made up of two cyclone separators and an appendix (8), between cyclone separator, connects with appendix (8).
3. drying and calcining equipment as claimed in claim 1, is characterized in that: described mixer (10) is spiral ribbon mixer, colter mixer or double worm mixer.
4. the drying and calcining equipment as described in claim 1 or 3, is characterized in that: described mixer (10) below is provided with weighing device (13).
5. the drying and calcining equipment as described in claim 1 or 3, is characterized in that: described mixer (10) is 1-4.
6. drying and calcining equipment as claimed in claim 1, is characterized in that: described hot-blast stove (1) is the hot-blast stove with Multistage settling chamber.
7. the drying and calcining equipment as described in claim 1 or 6, is characterized in that: described hot-blast stove (1) one side is provided with assisted heating device (12).
8. drying and calcining equipment as claimed in claim 1, is characterized in that: described drying machine (5) is flash dryer.
9. drying and calcining equipment as claimed in claim 1, is characterized in that: described secondary separation device (6) is made up of two cyclone separators and an appendix (8), between cyclone separator, connects with appendix (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849125.2U CN203798141U (en) | 2013-12-20 | 2013-12-20 | Drying calcining plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849125.2U CN203798141U (en) | 2013-12-20 | 2013-12-20 | Drying calcining plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798141U true CN203798141U (en) | 2014-08-27 |
Family
ID=51380346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320849125.2U Expired - Fee Related CN203798141U (en) | 2013-12-20 | 2013-12-20 | Drying calcining plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529560A (en) * | 2014-12-08 | 2015-04-22 | 瓮福（集团）有限责任公司 | Method for improving quality of granular ammonium sulfate product |
| CN107720338A (en) * | 2017-07-10 | 2018-02-23 | 重庆新格有色金属有限公司 | Aluminium material conveying device |
-
2013
- 2013-12-20 CN CN201320849125.2U patent/CN203798141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529560A (en) * | 2014-12-08 | 2015-04-22 | 瓮福（集团）有限责任公司 | Method for improving quality of granular ammonium sulfate product |
| CN107720338A (en) * | 2017-07-10 | 2018-02-23 | 重庆新格有色金属有限公司 | Aluminium material conveying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Drying calcining plant Effective date of registration: 20160107 Granted publication date: 20140827 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Tongren branch Pledgor: GUIZHOU YUANSHENG POTASSIUM TECHNOLOGY Co.,Ltd. Registration number: 2015520000011 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 554200 Transforming Industrial Park in Wanshan District, Tongren City, Guizhou Province Patentee after: Guizhou Kaisheng Potassium Technology Co.,Ltd. Address before: 554200 Transforming Industrial Park in Wanshan District, Tongren City, Guizhou Province Patentee before: GUIZHOU YUANSHENG POTASSIUM TECHNOLOGY Co.,Ltd. |
|
| 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: 20140827 |