CN105347704B - A kind of production method of oil shale tailing particles suspension lime kiln - Google Patents
A kind of production method of oil shale tailing particles suspension lime kiln Download PDFInfo
- Publication number
- CN105347704B CN105347704B CN201510918055.5A CN201510918055A CN105347704B CN 105347704 B CN105347704 B CN 105347704B CN 201510918055 A CN201510918055 A CN 201510918055A CN 105347704 B CN105347704 B CN 105347704B
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- pipeline
- oil shale
- air
- suspended preheaters
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A kind of production method of oil shale tailing particles suspension lime kiln, oil shale tailing particles suspension lime kiln, during production, blower and pipeline suction produces operation air-flow, air-flow enters air-flow in C2 suspended preheaters, C2 suspended preheaters by the pipeline of dore furnace and enters U heat exchange road by pipeline；The waste gas that air-flow enters C1 suspended preheaters 1 passes sequentially through discharge after conditioning Tower, bag collector, blower fan, chimney are evolved；Meanwhile, dore furnace is heated to 870 DEG C by burner, U heat exchange road is entered by C2 suspended preheaters, oil shale tailings is heated to 600 DEG C, oil shale tailings, which is sent into C1 suspended preheaters, by thermal current carries out gas solid separation；Heat exchange pipeline is fallen into after gas solid separation to carry out after heat exchange cooling, carries out entering in finished bin after gas solid separation into suspension cooler；The tailings that oil shale is produced produces active lime using suspension decomposition technique, realizes solid waste zero-emission, environmental protection.
Description
Technical field
The present invention relates to kiln field, especially a kind of production method of oil shale tailing particles suspension lime kiln.
Background technology
At present, oil shale is a kind of sedimentary rock containing oil, and reserves are very huge, is converted to shale oil about 4500
Hundred million tons, more than world petroleum resource amount；After Indonesia's oil shale extracts oil product through distillation system, 80% tailings is produced, granularity is small
In 1mm, the main component of tailings is CaCO3, content is 85%, can produce active lime；The processing of domestic oil shale tailings
Apparatus and method are less, to the tailings of the granularity less than 1mm, it is impossible to active lime is produced with rotary kiln and shaft furnace, and China lives
Property lime use two kinds of production methods of rotary kiln and shaft furnace, require using block lime stone, the limestone particle that rotary kiln is used
Degree scope is 20~50mm, and the limestone granularity scope that shaft furnace is used is 40~80mm, oil shale tailings can not with rotary kiln and
Shaft furnace produces active lime；Active lime as the industries such as smelting, chemical industry, building, health care, firepower electrical plant desulfurization base
Plinth material, using more and more extensively, demand increases year by year, wide market；In view of above-mentioned many reasons are, it is necessary to open
Granularity can be less than 1mm oil shale tailings processing by sending out a kind of, and the production of active lime is produced by raw material of oil shale tailings
A kind of method, it is proposed that production method of oil shale tailing particles suspension lime kiln.
The content of the invention
The present invention needs a kind of oil shale tailings that can be granularity less than 1mm be processed place at present in order to solve China
Reason, using oil shale tailings as raw material, produces the equipment and production method of active lime, and by reasonably designing, there is provided a kind of oil
The production method of shale tailing particles suspension lime kiln, the tailings that oil shale of the invention is produced, is produced using suspension decomposition technique
Liveliness proof lime, can turn waste into wealth, and create economic benefit, solid waste zero-emission, environmental protection can be realized again.
The present invention adopts the following technical scheme that to realize above-mentioned goal of the invention：A kind of oil shale tailing particles hang
The production method of float stone ash furnace, described oil shale tailing particles suspension lime kiln is by C1 suspended preheaters, C2 suspension preheatings
Device, U heat exchange road, dore furnace, heat exchange pipeline, suspension cooler, finished bin, conditioning Tower, bag collector, blower fan, chimney, enter
Gas port, burner, spout, thermal current pipeline are constituted；Suspension cooler, dore furnace and suspension cooler are set below dore furnace
Between airflow line is set, dore furnace side sets and set below burner, suspension cooler below finished bin, suspension cooler
Baiting valve is set, and blanking valve port correspondence finished bin is set, and discharging opening is set below finished bin；Finished bin side sets air inlet,
Air inlet sets heat exchange pipeline with suspension cooler side；
C1 suspended preheaters and C2 suspended preheaters are set respectively above dore furnace, and C2 suspended preheaters side sets U-shaped
Heat exchange pipeline, U heat exchange road side sets spout, and hot gas flow tube is set between C2 suspended preheaters and U heat exchange road
Gas-solid pipeline is set between road, C2 suspended preheaters 2 and dore furnace；Baiting valve is set below C2 suspended preheaters, baiting valve with
Blanking pipe is set between heat exchange pipeline；C1 suspended preheaters side sets gradually conditioning Tower, bag collector, blower fan, chimney, C1
Suspended preheater is arranged in series waste gas purification pipeline between conditioning Tower, bag collector, blower fan, chimney successively；C1 suspension preheatings
Baiting valve is set below device, blanking pipe is set between baiting valve and dore furnace；
During production, blower and pipeline suction produces operation air-flow, and air subsequently into heat exchange pipeline, is changed by air inlet
Air-flow in hot channel enters suspension cooler by outlet；Air-flow in suspension cooler enters dore furnace, gas by pipeline
Stream enters air-flow in C2 suspended preheaters, C2 suspended preheaters by the pipeline of dore furnace and enters U heat exchange road by pipeline,
Air-flow in U heat exchange road is discharged by the port of export, and the air-flow of discharge enters in C1 suspended preheaters 1, C1 suspended preheaters
Waste gas is discharged after passing sequentially through conditioning Tower, bag collector, blower fan, chimney purification.
While air-flow is run, burnt by burner to spraying into fuel, fuel in dore furnace in dore furnace, by air-flow
870 DEG C are heated to, thermal current enters U heat exchange road after the discharge of dore furnace top by C2 suspended preheaters；In thermal current
While into U heat exchange road, oil shale tailings is fed in U heat exchange road by spout, in U heat exchange road
Thermal current is mixed with oil shale tailings, carries out heat exchange, oil shale tailings is heated to 600 DEG C, by thermal current oil shale
Tailings feeding C1 suspended preheaters carry out gas solid separation；Waste gas after separation enters humidification from the exhaust piping of C1 suspended preheaters
Tower, enters bag collector by 100 DEG C of gases of spray cooling and carries out dedusting, the gas after dedusting is discharged into greatly through blower fan and chimney
Gas, blower fan is the levitation power source of system；
The pipeline below baiting valve that oil shale tailing particles after separation pass through C1 suspended preheaters falls into dore furnace, point
Thermal current in solution stove forms flow field of spurting with oil shale tailing particles, oil shale tailing particles is calcined, CaCO3Point
Solve as CaO and CO2, the active lime after calcining carries out gas solid separation again with 870 DEG C of air-flows into C2 suspended preheaters；
After gas solid separation, air-flow is discharged into U heat exchange road in C2 suspended preheaters；After gas solid separation, high temperature active lime
Heat exchange pipeline is fallen into by pipeline and carries out heat exchange cooling, it is cold into suspending after active lime is cooled down by the heat exchange of heat exchange pipeline
But the active lime that device is carried out in gas solid separation, suspension cooler after cooling is fallen into finished bin, and entrucking is dispatched from the factory.
Beneficial effect：The tailings of the oil shale production of the present invention, active lime, Ji Nengbian are produced using suspension decomposition technique
Waste be changed into values, creates economic benefit, solid waste zero-emission, environmental protection can be realized again.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is：General assembly structural representation.
In Fig. 1：C1 suspended preheaters 1, C2 suspended preheaters 2, U heat exchange road 3, dore furnace 4, heat exchange pipeline 5, suspension
Cooler 6, finished bin 7, conditioning Tower 8, bag collector 9, blower fan 10, chimney 11, air inlet 12, burner 13, spout 14, heat
Airflow line 15.
Embodiment
The present invention is described in further detail with embodiment with reference to embodiment：
Embodiment 1
The lower section of dore furnace 4 sets suspension cooler 6, and airflow line is set between dore furnace 4 and suspension cooler 6, decomposes
The side of stove 4 sets burner 13, and the lower section of suspension cooler 6 sets finished bin 7, and the lower section of suspension cooler 6 sets baiting valve, blanking
Valve port correspondence finished bin 7 is set, and the lower section of finished bin 7 sets discharging opening；The side of finished bin 7 set air inlet 12, air inlet 12 with
The side of suspension cooler 6 sets heat exchange pipeline 5；
The top of dore furnace 4 sets C1 suspended preheaters 1 and C2 suspended preheaters 2 respectively, and the side of C2 suspended preheaters 2 is set
U heat exchange road 3, the side of U heat exchange road 3 sets spout 14, is set between C2 suspended preheaters 2 and U heat exchange road 3
Gas-solid pipeline is set between thermal current pipeline 15, C2 suspended preheaters 2 and dore furnace 4；The lower section of C2 suspended preheaters 2 sets blanking
Valve, blanking pipe is set between baiting valve and heat exchange pipeline 5；The side of C1 suspended preheaters 1 sets gradually conditioning Tower 8, bag and gathered dust
Device 9, blower fan 10, chimney 11, C1 suspended preheaters 1 are connected between conditioning Tower 8, bag collector 9, blower fan 10, chimney 11 successively
Waste gas purification pipeline is set；The lower section of C1 suspended preheaters 1 sets baiting valve, and blanking pipe is set between baiting valve and dore furnace 4；
During production, blower fan 10 produces operation air-flow by pipeline suction, and air is by air inlet 12, subsequently into heat exchange pipeline
5th, the air-flow in heat exchange pipeline 5 enters suspension cooler 6 by exporting；Air-flow in suspension cooler 6 is entered by pipeline to be divided
Stove 4 is solved, air-flow enters air-flow in C2 suspended preheaters 2, C2 suspended preheaters 2 by the pipeline of dore furnace 4 and enters U by pipeline
Air-flow in type heat exchange pipeline 3, U heat exchange road 3 is discharged by the port of export, and the air-flow of discharge enters C1 suspended preheaters 1, and C1 hangs
Waste gas in floating preheater 1 is passed sequentially through after conditioning Tower 8, bag collector 9, blower fan 10, chimney 11 are purified and discharged.
Embodiment 2
While air-flow is run, burnt by burner 13 to spraying into fuel, fuel in dore furnace 4 in dore furnace 4, will
Air-flow is heated to 870 DEG C, and thermal current enters U heat exchange road 3 after the discharge of the top of dore furnace 4 by C2 suspended preheaters 2；
While thermal current enters U heat exchange road 3, oil shale tailings is fed in U heat exchange road 3 by spout 14, it is U-shaped to change
Thermal current in hot channel 3 is mixed with oil shale tailings, carries out heat exchange, and oil shale tailings is heated to 600 DEG C, passes through hot gas
Oil shale tailings is sent into C1 suspended preheaters 1 and carries out gas solid separation by stream；The waste gas of waste gas after separation from C1 suspended preheaters 1
Pipeline enters conditioning Tower (8), and entering bag collector (9) by 100 DEG C of gases of spray cooling carries out dedusting, the gas warp after dedusting
Blower fan 10 and chimney 11 are discharged into air, and blower fan 10 is the levitation power source of system.
Embodiment 3
The pipeline below baiting valve that oil shale tailing particles after separation pass through C1 suspended preheaters 1 falls into dore furnace 4,
Thermal current in dore furnace 4 forms flow field of spurting with oil shale tailing particles, and oil shale tailing particles are calcined,
CaCO3It is decomposed into CaO and CO2, the active lime after calcining carries out gas-solid again with 870 DEG C of 2 air-flow into C2 suspended preheaters 2
Separation.
Embodiment 4
After gas solid separation, air-flow is discharged into U heat exchange road 3 in C2 suspended preheaters 2；After gas solid separation, high temperature active stone
Ash falls into heat exchange pipeline 5 by pipeline and carries out heat exchange cooling, after active lime is by the heat exchange of heat exchange pipeline 5 cooling, into outstanding
Floating cooler 6 carries out the active lime after being cooled down in gas solid separation, suspension cooler 6 and fallen into finished bin 7, and entrucking is dispatched from the factory.
Claims (4)
1. a kind of production method of oil shale tailing particles suspension lime kiln, described oil shale tailing particles suspension lime kiln,
It is by C1 suspended preheaters (1), C2 suspended preheaters (2), U heat exchange road (3), dore furnace (4), heat exchange pipeline (5), suspension
Cooler (6), finished bin (7), conditioning Tower (8), bag collector (9), blower fan (10), chimney (11), air inlet (12), burner
(13), spout (14), thermal current pipeline (15) are constituted；It is characterized in that：Suspension cooler (6) is set below dore furnace (4),
Airflow line is set, and dore furnace (4) side sets burner (13), suspend cooling between dore furnace (4) and suspension cooler (6)
Set below device (6) and baiting valve be set below finished bin (7), suspension cooler (6), blanking valve port correspondence finished bin (7) is set,
Discharging opening is set below finished bin (7)；Finished bin (7) side sets air inlet (12), air inlet (12) and suspension cooler (6)
Side sets heat exchange pipeline (5)；
C1 suspended preheaters (1) and C2 suspended preheaters (2), C2 suspended preheaters (2) side are set respectively above dore furnace (4)
Set U heat exchange road (3), U heat exchange road (3) side sets spout (14), C2 suspended preheaters (2) and U-shaped heat exchange
Set between pipeline (3) and gas-solid pipeline is set between thermal current pipeline (15), C2 suspended preheaters (2) and dore furnace (4)；C2 hangs
Baiting valve is set below floating preheater (2), blanking pipe is set between baiting valve and heat exchange pipeline (5)；C1 suspended preheaters (1)
Side sets gradually conditioning Tower (8), bag collector (9), blower fan (10), chimney (11), C1 suspended preheaters (1) successively with humidification
Tower (8), bag collector (9), blower fan (10), chimney are arranged in series waste gas purification pipeline between (11)；Under C1 suspended preheaters (1)
Side sets baiting valve, and blanking pipe is set between baiting valve and dore furnace (4)；
During production, blower fan (10) produces operation air-flow by pipeline suction, and air is by air inlet (12), subsequently into heat exchange pipeline
(5), the air-flow in heat exchange pipeline (5) enters suspension cooler (6) by exporting；Air-flow in suspension cooler (6) passes through pipe
Road enters dore furnace (4), and air-flow is entered in C2 suspended preheaters (2), C2 suspended preheaters (2) by the pipeline of dore furnace (4)
Air-flow enters U heat exchange road (3) by pipeline, and the air-flow in U heat exchange road (3) is discharged by the port of export, the air-flow of discharge
Into C1 suspended preheaters (1), the waste gas in C1 suspended preheaters (1) passes sequentially through conditioning Tower (8), bag collector (9), blower fan
(10), discharged after chimney (11) purification.
2. a kind of production method of oil shale tailing particles suspension lime kiln according to claim 1, it is characterised in that：
While air-flow is run, by burner (13) to spraying into fuel in dore furnace (4), fuel burns in dore furnace (4), by gas
Stream is heated to 870 DEG C, and thermal current enters U heat exchange road after the discharge of dore furnace (4) top by C2 suspended preheaters (2)
(3)；While thermal current enters U heat exchange road (3), oil shale tailings is fed by spout (14) by U heat exchange
In road (3), the thermal current in U heat exchange road (3) is mixed with oil shale tailings, carries out heat exchange, and oil shale tailings is heated
To 600 DEG C, oil shale tailings is sent into by thermal current by C1 suspended preheaters (1) and carries out gas solid separation；Waste gas after separation from
The exhaust piping of C1 suspended preheaters (1) enters conditioning Tower (8), is entered by 100 DEG C of gases of spray cooling into bag collector (9)
Row dedusting, the gas after dedusting is discharged into air through blower fan (10) and chimney (11), and blower fan (10) is the levitation power source of system.
3. a kind of production method of oil shale tailing particles suspension lime kiln according to claim 1, it is characterised in that：
The pipeline below baiting valve that oil shale tailing particles after separation pass through C1 suspended preheaters (1) falls into dore furnace (4), decomposes
Thermal current in stove (4) forms flow field of spurting with oil shale tailing particles, oil shale tailing particles is calcined, CaCO3
It is decomposed into CaO and CO2, active lime after calcining carries out gas-solid point again with 870 DEG C of air-flows into C2 suspended preheaters (2)
From.
4. a kind of production method of oil shale tailing particles suspension lime kiln according to claim 1, it is characterised in that：
After gas solid separation, air-flow is discharged into U heat exchange road (3) in C2 suspended preheaters (2)；After gas solid separation, high temperature active lime leads to
Piping falls into heat exchange pipeline (5) and carries out heat exchange cooling, after active lime is by the heat exchange of heat exchange pipeline (5) cooling, into outstanding
Floating cooler (6) carries out the active lime after being cooled down in gas solid separation, suspension cooler (6) and fallen into finished bin (7), and entrucking goes out
Factory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918055.5A CN105347704B (en) | 2015-12-03 | 2015-12-03 | A kind of production method of oil shale tailing particles suspension lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918055.5A CN105347704B (en) | 2015-12-03 | 2015-12-03 | A kind of production method of oil shale tailing particles suspension lime kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105347704A CN105347704A (en) | 2016-02-24 |
| CN105347704B true CN105347704B (en) | 2017-10-27 |
Family
ID=55323799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918055.5A Active CN105347704B (en) | 2015-12-03 | 2015-12-03 | A kind of production method of oil shale tailing particles suspension lime kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105347704B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106316167B (en) * | 2016-09-27 | 2017-12-22 | 洛阳建材建筑设计研究院有限公司 | A kind of production technology of oil shale ground slag suspension lime kiln |
| CN107759115A (en) * | 2017-12-12 | 2018-03-06 | 泰安中意重型工业设备有限公司 | The new process for calcining and device of a kind of powdered lime |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987783A (en) * | 2010-08-27 | 2011-03-23 | 莱芜钢铁股份有限公司 | Method for producing active pulverized lime by utilizing coal gas to calcine limestone through suspended state pre-heating decomposing furnace |
| CN102674716A (en) * | 2012-05-15 | 2012-09-19 | 宝山钢铁股份有限公司 | Cyclic calcining and decomposing process for powdered materials |
| CN103175407A (en) * | 2011-12-23 | 2013-06-26 | 财团法人工业技术研究院 | Backflow suspension type calcining furnace system |
-
2015
- 2015-12-03 CN CN201510918055.5A patent/CN105347704B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987783A (en) * | 2010-08-27 | 2011-03-23 | 莱芜钢铁股份有限公司 | Method for producing active pulverized lime by utilizing coal gas to calcine limestone through suspended state pre-heating decomposing furnace |
| CN103175407A (en) * | 2011-12-23 | 2013-06-26 | 财团法人工业技术研究院 | Backflow suspension type calcining furnace system |
| CN102674716A (en) * | 2012-05-15 | 2012-09-19 | 宝山钢铁股份有限公司 | Cyclic calcining and decomposing process for powdered materials |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105347704A (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103373822B (en) | Light calcined magnesia powder calcination device | |
| CN103387347B (en) | Method and device for producing active lime powder from calcined limestone | |
| CN102628097B (en) | Method for preparing iron concentrate powder by reducing and magnetizing red mud in fluidized bed | |
| CN107226627A (en) | A kind of two grades of suspension calcining devices of active powder lime | |
| CN105036169B (en) | Low sodium Alpha-alumina calcine technology equipment | |
| CN102173608A (en) | Method for preparing cement clinker from high-proportion carbide slag through decomposition outside kiln of five-stage preheater | |
| CN104129931B (en) | A kind of indirect heating roasting assembly with generating set | |
| CN103375997A (en) | Method for regulating and controlling circulating flue-gas temperature and oxygen content | |
| CN105347704B (en) | A kind of production method of oil shale tailing particles suspension lime kiln | |
| CN110803876B (en) | II type anhydrous gypsum thermal coupling production device and method | |
| CN111825350A (en) | Device with light-burned magnesium oxide preparation and carbon dioxide collection functions | |
| CN204873871U (en) | Manufacturing equipment is calcined to low sodium alpha - aluminium oxide | |
| CN102674716B (en) | Cyclic calcining and decomposing process for powdered materials | |
| CN105753348B (en) | A kind of production technology of Indonesia's bituminous rock tailing particles nsp kiln | |
| CN102649626B (en) | Powdery material cyclic calcining system | |
| CN205170661U (en) | Oil shale tailings particle suspension limekiln | |
| CN202543074U (en) | Calcining device for producing light calcined magnesia powder | |
| CN106316167B (en) | A kind of production technology of oil shale ground slag suspension lime kiln | |
| CN104164245A (en) | Dry distillation system and dry distillation process for solid thermal carriers | |
| CN209386798U (en) | Double heat source eddy flow flash calcination systems | |
| CN103105067B (en) | Granular material suspension heat exchange device and granular material heat-exchange system | |
| CN205528462U (en) | Predecomposition kiln of indonesia's asphaltite tailings granule | |
| Shepelev et al. | Ecological engineering in the process of gas treatment from dust and prospects for its use in agriculture | |
| CN204007252U (en) | The conveying of heating type coal dust, heat exchange, separator | |
| CN106152794B (en) | A kind of big temperature difference cross material flow precalcining system and its method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |